U.S. patent application number 15/445470 was filed with the patent office on 2018-02-01 for ptc heater for liquid heating.
The applicant listed for this patent is BESTWAY INFLATABLES & MATERIAL CORP.. Invention is credited to Shuiyong HUANG, Guoping LI, Jiang XU.
Application Number | 20180031272 15/445470 |
Document ID | / |
Family ID | 58192158 |
Filed Date | 2018-02-01 |
United States Patent
Application |
20180031272 |
Kind Code |
A1 |
HUANG; Shuiyong ; et
al. |
February 1, 2018 |
PTC HEATER FOR LIQUID HEATING
Abstract
A PTC (Positive Temperature Coefficient) heater for liquid
heating may include: a heat conductor; a PTC heating assembly; and
water pipe assembly. The heat conductor may have a first
accommodating duct and a second accommodating duct. The PTC heating
assembly at least partially is disposed in the first accommodating
duct; moreover, the water pipe assembly at least partially is
disposed in the second accommodating duct, with an outer surface of
the water pipe assembly at least partially abutting against an
inner surface of the second accommodating duct. The PTC liquid
heating tube of the present disclosure can achieve a better
corrosion resistance and greatly extend the service life of the PTC
heater as well as prevent electric leakage accidents. Furthermore,
the PTC heater of the present disclosure will have a simple
structure and low costs for being convenient to assemble,
especially in the replacement of the water pipes for maintaining
the PTC heater in future.
Inventors: |
HUANG; Shuiyong; (Shanghai,
CN) ; XU; Jiang; (Shanghai, CN) ; LI;
Guoping; (Shanghai, CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
BESTWAY INFLATABLES & MATERIAL CORP. |
Shanghai |
|
CN |
|
|
Family ID: |
58192158 |
Appl. No.: |
15/445470 |
Filed: |
February 28, 2017 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
F24H 1/142 20130101;
F24H 2250/04 20130101; F24H 9/1827 20130101; E04H 4/129 20130101;
F24H 9/128 20130101 |
International
Class: |
F24H 1/14 20060101
F24H001/14; F24H 9/12 20060101 F24H009/12 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 28, 2016 |
CN |
201620804786.7 |
Claims
1. A PTC heater for liquid heating, comprising: a heat conductor
comprising at least one first accommodating duct and at least one
second accommodating duct; a PTC heating assembly at least
partially disposed in the first accommodating duct; and at least
one water pipe assembly at least partially disposed in the second
accommodating duct, with an outer surface of the water pipe
assembly at least partially abutting against an inner surface of
the second accommodating duct.
2. The PTC heater for liquid heating of claim 1, wherein the first
and second accommodating ducts are disposed in parallel.
3. The PTC heater for liquid heating of claim 1, wherein the first
accommodating duct is disposed between at least two second
accommodating ducts.
4. The PTC heater for liquid heating of claim 1, wherein the heat
conductor is a material of an aluminum alloy.
5. The PTC heater for liquid heating of claim 1, wherein the water
pipe assembly is a material of a corrosion-resistant
heat-conducting material.
6. The PTC heater for liquid heating of claim 1, wherein the water
pipe assembly is a material of one of stainless steel, stainless
iron and copper.
7. The PTC heater for liquid heating of claim 6, wherein the water
pipe assembly comprises at least one water inlet pipe and at least
one water outlet pipe, at least one of ends of the water inlet pipe
extends out of the second accommodating duct and at least one of
ends of the water outlet pipe extends out of the second
accommodating duct.
8. The PTC heater for liquid heating of claim 7, further comprising
a water inlet portion, the water inlet portion comprising a water
inlet duct, the water inlet portion being connected to a first end
of the water inlet pipe, and the water inlet duct being in
communication with the water inlet pipe.
9. The PTC heater for liquid heating of claim 8, wherein the first
end of the water inlet pipe is disposed inside the water inlet duct
of the water inlet portion.
10. The PTC heater for liquid heating of claim 8, wherein the water
inlet portion is connected to a first end of the heat
conductor.
11. The PTC heater for liquid heating of claim 9, wherein a seal is
disposed between an outer surface of the first end of the water
inlet pipe and an inner surface of the water inlet duct of the
water inlet portion.
12. The PTC heater for liquid heating of claim 10, wherein a seal
is disposed between an end face of the water inlet portion and an
end face of the first end of the heat conductor.
13. The PTC heater for liquid heating of claim 8, further
comprising a water outlet portion, the water outlet portion
comprising a water outlet duct, the water outlet portion being
connected to a first end of the water outlet pipe, and the water
outlet duct of the water outlet portion being in fluid
communication with the water outlet pipe.
14. The PTC heater for liquid heating of claim 13, wherein the
first end of the water outlet pipe is disposed inside the water
outlet duct of the water outlet portion.
15. The PTC heater for liquid heating of claim 13, wherein the
water outlet portion is connected to a first end of the heat
conductor.
16. The PTC heater for liquid heating of claim 14, wherein a seal
is disposed between an outer surface of the first end of the water
outlet pipe and an inner surface of the water outlet duct of the
water outlet portion.
17. The PTC heater for liquid heating of claim 15, wherein a seal
is disposed between an end face of the water outlet portion and an
end face of the first end of the heat conductor.
18. The PTC heater for liquid heating of claim 10, further
comprising a connecting portion, the connecting portion comprising
a water flow duct, the connecting portion being connected to a
second end of the water inlet pipe and a second end of the water
outlet pipe respectively, the water flow duct being in fluid
communication with the water inlet pipe and the water outlet
duct.
19. The PTC heater for liquid heating of claim 18, wherein the
connecting portion is connected to a second end of the heat
conductor, the second end of the water inlet pipe and the second
end of the water outlet pipe being disposed inside the water flow
duct of the connecting portion.
20. The PTC heater for liquid heating of claim 18, wherein the
connecting portion is connected to the second end of the heat
conductor.
21. The PTC heater for liquid heating of claim 19, wherein a seal
is disposed between an outer surface of the second end of the water
inlet pipe and an inner surface of the water flow duct of the
connecting portion, and a seal is disposed between the second end
of the water outlet pipe and an inner surface of the water flow
duct of the connecting portion.
22. The PTC heater for liquid heating of claim 20, wherein a seal
is disposed between an end face of the connecting portion and an
end face of the heat conductor.
23. The PTC heater for liquid heating of claim 1, wherein the water
pipe assembly comprises at least one U-shaped water pipe at least
partially disposed in the second accommodating duct.
24. The PTC heater for liquid heating of claim 23, further
comprising a water inlet portion, the water inlet portion
comprising a water inlet duct, the water inlet portion being
connected to a first end of the U-shaped water pipe, the water
inlet portion being in fluid communication with the U-shaped water
pipe.
25. The PTC heater for liquid heating of claim 24, wherein the
first end of the U-shaped water pipe is disposed inside the water
inlet duct of the water inlet portion.
26. The PTC heater for liquid heating of claim 24, wherein the
water inlet portion is connected to a first end of the heat
conductor.
27. The PTC heater for liquid heating of claim 25, wherein a seal
is disposed between an outer surface of the first end of the
U-shaped water pipe and an inner surface of the water inlet duct of
the water inlet portion.
28. The PTC heater for liquid heating of claim 26, wherein a seal
is disposed between an end face of the water inlet portion and an
end face of the first end of the heat conductor.
29. The PTC heater for liquid heating of claim 18, further
comprising a water outlet portion, the water outlet portion
comprising a water outlet duct, the water outlet portion being
connected to a second end of the U-shaped water pipe, the water
outlet duct of the water outlet portion being in fluid
communication with the U-shaped water pipe.
30. The PTC heater for liquid heating of claim 29, wherein the
second end of the U-shaped water pipe is disposed inside the water
outlet duct of the water outlet portion.
31. The PTC heater for liquid heating of claim 29, wherein the
water outlet portion is connected to a first end of the heat
conductor.
32. The PTC heater for liquid heating of claim 30, wherein a seal
is disposed between an outer surface of the second end of the
U-shaped water pipe and an inner surface of the water outlet duct
of the water outlet portion.
33. The PTC heater for liquid heating of claim 31, wherein a seal
is disposed between an end face of the water outlet portion and an
end face of the first end of the heat conductor.
34. The PTC heater for liquid heating of claim 1, wherein the heat
conductor is an integrally formed component, the integrally formed
component being a one-piece metal alloy shell.
35. The PTC heater for liquid heating of claim 1, wherein the heat
conductor comprises: a first component the first component
comprising the first accommodating duct and a first groove disposed
on an outer surface of the first component; and a second component
detachably connected to the first component, the second component
comprising a second groove, the second groove corresponding to the
first groove, wherein the first component is connected to the
second component, the second groove is in combination with the
first groove to be configured to the second accommodating duct, and
the water pipe assembly is disposed in the second accommodating
ducts
36. The PTC heater for liquid heating of claim 35, wherein the
first groove and second groove are profiled grooves and the water
pipe assembly comprises a profiled water pipe being fastened to the
second accommodating duct.
Description
CROSS REFERENCE
[0001] This application claims the benefit and priority of Chinese
Application No. 201620804786.7, filed Jul. 28, 2016. The entire
disclosures of each of the above applications are incorporated
herein by reference.
FIELD OF THE INVENTION
[0002] The present disclosure relates to a heater, particularly to
a PTC heater for liquid heating.
BACKGROUND
[0003] Currently, PTC (Positive Temperature Coefficient) heaters
have been widely applied in household appliances, such as SPA
pools, entertainment pools, water dispensers, foot baths, and other
industrial products.
[0004] One type of common PTC heaters in the prior art may include
a heat conductor and a PTC heating element. A plurality of ducts is
provided within the heat conductor. Some of the ducts are used for
placing PTC heating elements while some of the ducts are used for
liquid passage.
[0005] The heat conductors for some of the PTC heaters employ metal
materials without an anti-corrosion treatment, which are prone to
corrosion after long-term use. When the water is with chemical
substances such as oxidizing disinfectants, the oxidation and
corrosion of the heat conductor will be accelerated to cause the
leakage of liquid easily from the ducts inside the heat conductor.
It is an increase in the risk of safety.
SUMMARY
[0006] A technical problem to be solved by the present disclosure
is to provide a PTC heater for liquid heating in order to overcome
the defect that the PTC heaters in the prior art are prone to
corrosion during long-term use.
[0007] The above-mentioned technical problems are solved in the
present disclosure by the following technical solution:
[0008] a PTC (Positive Temperature Coefficient) heater for liquid
heating may include:
[0009] a heat conductor including at least one first accommodating
duct and at least one second accommodating duct;
[0010] a PTC heating assembly at least partially disposed in the
first accommodating duct; and
[0011] at least one water pipe assembly at least partially disposed
in the second accommodating duct, with an outer surface of the
water pipe assembly at least partially abutting against an inner
surface of the second accommodating duct.
[0012] Preferably, the first and second accommodating ducts are
disposed in parallel.
[0013] Preferably, the first accommodating duct is disposed between
at least two second accommodating ducts.
[0014] Preferably, the heat conductor is a material of an aluminum
alloy.
[0015] Preferably, the water pipe assembly is a material of a
corrosion-resistant heat-conducting material.
[0016] Preferably, the water pipe assembly is a material of one of
stainless steel, stainless iron and copper.
[0017] Preferably, the water pipe assembly may include at least one
water inlet pipe and at least one water outlet pipe, at least one
of ends of the water inlet pipe extends out of the second
accommodating duct, and at least one of ends of the water outlet
pipe extends out of the second accommodating duct.
[0018] Preferably, the PTC heater may further include a water inlet
portion, the water inlet portion includes a water inlet duct, the
water inlet portion is connected to a first end of the water inlet
pipe, and the water inlet duct is in communication with the water
inlet pipe.
[0019] Preferably, the first end of the water inlet pipe is
disposed inside the water inlet duct of the water inlet
portion.
[0020] Preferably, the water inlet portion is connected to a first
end of the heat conductor.
[0021] Preferably, a seal is disposed between an outer surface of
the first end of the water inlet pipe and an inner surface of the
water inlet duct of the water inlet portion.
[0022] Preferably, a seal is disposed between an end face of the
water inlet portion and an end face of the first end of the heat
conductor.
[0023] Preferably, the PTC heater for liquid heating may further
include a water outlet portion, the water outlet portion includes a
water outlet duct, the water outlet portion is connected to a first
end of the water outlet pipe, and the water outlet duct of the
water outlet portion is in fluid communication with the water
outlet pipe.
[0024] Preferably, the first end of the water outlet pipe is
disposed inside the water outlet duct of the water outlet
portion.
[0025] Preferably, the water outlet portion is connected to a first
end of the heat conductor.
[0026] Preferably, a seal is disposed between an outer surface of
the first end of the water outlet pipe and an inner surface of the
water outlet duct of the water outlet portion.
[0027] Preferably, a seal is disposed between an end face of the
water outlet portion and an end face of the first end of the heat
conductor.
[0028] Preferably, the PTC heater for liquid heating may further
include a connecting portion, the connecting portion includes a
water flow duct, the connecting portion is connected to a second
end of the water inlet pipe and a second end of the water outlet
pipe respectively, and the water flow duct is in fluid
communication with the water inlet pipe and the water outlet
duct.
[0029] Preferably, the connecting portion is connected to a second
end of the heat conductor, the second end of the water inlet pipe
and the second end of the water outlet pipe being disposed inside
the water flow duct of the connecting portion.
[0030] Preferably, the connecting portion is connected to the
second end of the heat conductor.
[0031] Preferably, a seal is disposed between an outer surface of
the second end of the water inlet pipe and an inner surface of the
water flow duct of the connecting portion, and a seal is disposed
between an outer surface of the second end of the water outlet pipe
and an inner surface of the water flow duct of the connecting
portion.
[0032] Preferably, a seal is disposed between an end face of the
connecting portion and an end face of the heat conductor.
[0033] Preferably, the water pipe assembly may include at least one
U-shaped water pipe at least partially disposed in the second
accommodating duct.
[0034] Preferably, the PTC heater for liquid heating may further
include a water inlet portion, the water inlet portion includes a
water inlet duct, the water inlet portion is connected to a first
end of the U-shaped water pipe, and the water inlet portion is in
fluid communication with the U-shaped water pipe.
[0035] Preferably, the first end of the U-shaped water pipe is
disposed inside the water inlet duct of the water inlet
portion.
[0036] Preferably, the water inlet portion is connected to a first
end of the heat conductor.
[0037] Preferably, a seal is disposed between an outer surface of
the first end of the U-shaped water pipe and an inner surface of
the water inlet duct of the water inlet portion.
[0038] Preferably, a seal is disposed between an end face of the
water inlet portion and an end face of the first end of the heat
conductor.
[0039] Preferably, the PTC heater for liquid heating may further
include a water outlet portion, the water outlet portion includes a
water outlet duct, the water outlet portion is connected to a
second end of the U-shaped water pipe, and the water outlet duct of
the water outlet portion is in fluid communication with the
U-shaped water pipe.
[0040] Preferably, the second end of the U-shaped water pipe is
disposed inside the water outlet duct of the water outlet
portion.
[0041] Preferably, the water outlet portion is connected to a first
end of the heat conductor.
[0042] Preferably, a seal is disposed between an outer surface of
the second end of the U-shaped water pipe and an inner surface of
the water outlet duct of the water outlet portion.
[0043] Preferably, a seal is provided between an end face of the
water outlet portion and an end face of the first end of the heat
conductor.
[0044] Preferably, the heat conductor is an integrally formed
component, and the integrally formed component is a one-piece metal
alloy shell.
[0045] Preferably, the heat conductor may include:
[0046] a first component, the first component including the first
accommodating duct and a first groove disposed on an outer surface
of the first component, and
[0047] a second component detachably connected to the first
component, the second component including a second groove, the
second groove corresponding to the first groove;
[0048] wherein the first component is connected to the second
component, the second groove is in combination with the first
grooves to be configured to the second accommodating duct, and the
water pipe assembly is disposed in the second accommodating
ducts.
[0049] Preferably, the first and second grooves are profiled
grooves.
[0050] Preferably, the water pipe assembly may include a profiled
water pipe fastened to the second accommodating duct.
[0051] The positive progressive effects of the present disclosure
lie in:
[0052] the PTC liquid heating tube of the present disclosure can
achieve a better corrosion resistance, greatly extend the service
life of the PTC heater and prevent electric leakage accidents.
Furthermore, the PTC heater for liquid heating of the present
disclosure has a simple structure and low costs, and is convenient
to assemble, especially in the replacement of the water pipes for
maintaining the PTC heater in future.
BRIEF DESCRIPTION OF THE DRAWINGS
[0053] The above-mentioned and other features, characteristics and
advantages of the present disclosure will be more apparent from the
following description taken in conjunction with the accompanying
drawings and embodiments, and in the accompanying drawings, like
reference numbers indicate like features, in which:
[0054] FIG. 1 is a first structural schematic view of a first
embodiment of a PTC heater for liquid heating of the present
disclosure.
[0055] FIG. 2 is a second structural schematic view of the first
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0056] FIG. 3 is a third structural schematic view of the first
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0057] FIG. 4 is a longitudinal sectional view of the first
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0058] FIG. 5 is an exploded view of the first embodiment of the
PTC heater for liquid heating of the present disclosure.
[0059] FIG. 6 is a first structural schematic view of a second
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0060] FIG. 7 is a second structural schematic view of the second
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0061] FIG. 8 is a third structural schematic view of the second
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0062] FIG. 9 is a longitudinal sectional view of the second
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0063] FIG. 10 is an exploded view of the second embodiment of the
PTC heater for liquid heating of the present disclosure.
[0064] FIG. 11 is a first structural schematic view of a third
embodiment of the PTC liquid heater of the present disclosure.
[0065] FIG. 12 is a second structural schematic view of a third
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0066] FIG. 13 is a third structural schematic view of the third
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0067] FIG. 14 is a longitudinal sectional view of the third
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0068] FIG. 15 is an exploded view of the third embodiment of the
PTC heater for liquid heating of the present disclosure.
[0069] FIG. 16 is a first structural schematic view of a fourth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0070] FIG. 17 is a second structural schematic view of the fourth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0071] FIG. 18 is a third structural schematic view of the fourth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0072] FIG. 19 is a longitudinal sectional view of the fourth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0073] FIG. 20 is an exploded view of the fourth embodiment of the
PTC heater for liquid heating of the present disclosure.
[0074] FIG. 21 is a first structural schematic view of a fifth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0075] FIG. 22 is a second structural schematic view of the fifth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0076] FIG. 23 is a third structural schematic view of the fifth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0077] FIG. 24 is a longitudinal sectional view of the fifth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0078] FIG. 25 is an exploded view of the fifth embodiment of the
PTC heater for liquid heating of the present disclosure.
DETAILED DESCRIPTION
[0079] To make the above-mentioned object, features and advantages
of the present disclosure apparent and easily understood, a
detailed description of particular embodiments of the present
disclosure is made in conjunction with the drawings.
[0080] Embodiments of the present disclosure will now be described
in detail with reference to the accompanying drawings. Reference
now will be made in detail to preferred embodiments of the present
disclosure, examples of which are illustrated in the accompanying
drawings. The same reference numerals in all the figures denote the
same or similar parts wherever possible. Furthermore, although the
terms used in the present disclosure are selected from well-known
common terms, some of the terms mentioned in the description of the
present disclosure may be selected by the applicant according to
his or her judgement, and the detailed meaning thereof is described
in the relevant section described herein. Furthermore, the present
disclosure must be understood, not simply by the actual terms used
but also by the meanings encompassed by each term.
First Embodiment
[0081] FIG. 1 is a first structural schematic view of a first
embodiment of a PTC heater for liquid heating of the present
disclosure. FIG. 2 is a second structural schematic view of the
first embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 3 is a third structural schematic view of
the first embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 4 is a longitudinal sectional view of the
first embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 5 is an exploded view of the first
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0082] As shown in FIGS. 1-5, the present disclosure discloses a
PTC heater for liquid heating 10, which may include a heat
conductor 11, a PTC heating assembly 12 and at least one water pipe
assembly 13. The heat conductor 11 is provided with at least one
first accommodating duct and at least one second accommodating
duct, the PTC heating assembly 12 is at least partially provided in
the first accommodating duct, the water pipe assembly 13 is at
least partially provided in the second accommodating duct, and an
outer surface of the water pipe assembly 13 at least partially
abuts against an inner surface of the second accommodating duct.
The first and second accommodating ducts are disposed in parallel.
Particularly, the first accommodating duct is disposed between the
second accommodating ducts.
[0083] The PTC heating assembly 12 can include a PTC heating
element, a first electrode, a second electrode, a first protection
layer, a second protection layer, a first interlayer, and a second
interlayer. The PTC heating element has a first side and a second
side. The first electrode and the second electrode can be
positioned on the first side of the PTC heating element and the
second side of the PTC heating element respectively. The first
insulating interlayer can be located between the first protection
layer and the first electrode. The second insulating interlayer can
be located between the second protection layer and the second
electrode. The first protection layer and the second protection
layer can have a greater hardness in comparison with the first and
second insulating interlayer.
[0084] Moreover, the PTC heating assembly 12 can further include a
heat conductive housing. The first interlayer and second insulating
interlayer are placed into the heat conductive housing. A first
side wall and a second side wall of the heat conductive housing are
inwardly curved.
[0085] Preferably, the heat conductor 11 may include a component
111 and a second component 112. The first component 111 is disposed
with the first accommodating duct 113 and a first groove 114 which
is disposed at an outer surface of the first component 111, the
second component 112 is detachably connected to the first component
111, and the second component 112 is disposed with a second groove
115 corresponding to the first groove 114. When the first component
111 is connected to the second component 112, the second groove 115
and the first groove 114 are combined to form the second
accommodating duct, and the water pipe assembly 13 may be disposed
in the second accommodating duct.
[0086] Of course, the first groove 114 and the second groove 115
herein may also be profiled grooves, and the water pipe assembly 13
can include a profiled water pipe fastened to the second
accommodating duct accordingly. Because of the combination of the
first groove 114 and the second groove 115 to configure to the
second accommodating duct, the type of the second accommodating
duct can be particular corresponding with the type of the profiled
groove in accordance with the configuration of first groove 114 and
second groove 115. The type of the profiled groove can be the
S-shaped groove, U-shaped groove, or other specific shape of the
groove. Moreover, the shape of the profiled water pipe can be
matched with the type of profiled groove to achieve the assembling
of pipe being disposed inside the heat conductor 11.
[0087] Further, the water pipe assembly 13 in this embodiment may
include at least one U-shaped water pipe 131, and the U-shaped
water pipe 131 is at least partially disposed in the second
accommodating ducts.
[0088] Preferably, the PTC heater for liquid heating 10 may further
include a water inlet portion 14, and the water inlet portion 14 is
provided with a water inlet duct 141. The water inlet portion 14 is
connected to a first end of the U-shaped water pipe 131, and the
water inlet portion 141 is in communication with the U-shaped water
pipe 131. For example, the first end of the U-shaped water pipe 131
is disposed in the water inlet duct 141 of the water inlet portion
14, such that the water inlet portion is connected to the first end
of the heat conductor 11. Seals 142 are disposed both between an
outer surface of the first end of the U-shaped water pipe 131 and
an inner surface of the water inlet duct 141 of the water inlet
portion 14, and between an end face of the water inlet portion 14
and an end face of the first end of the heat conductor 11.
[0089] Further, the ITC heater for liquid heating 10 may further
include a water outlet portion 15, and the water outlet portion 15
is provided with a water outlet duct 151, wherein the water outlet
portion 15 is connected to a second end of the U-shaped water pipe
131, and the water outlet duct 151 of the water outlet portion 15
is in communication with the U-shaped water pipe 131. For example,
the second end of the U-shaped water pipe 131 is disposed in the
water outlet duct 151 of the water outlet portion 15, such that the
water outlet portion 15 is connected to the first end of the heat
conductor 11. Seals 152 are disposed both between an outer surface
of the second end of the U-shaped water pipe 131 and an inner
surface of the water outlet duct 151 of the water outlet portion
15, and between an end face of the water outlet portion 15 and the
end face of the first end of the heat conductor 11.
[0090] Of course, the material of the heat conductor 11 in this
embodiment may preferably be an aluminum alloy. The material of the
water pipe assembly 13 may preferably be a corrosion-resistant
heat-conducting material, such as one of stainless steel, stainless
iron or copper.
Second Embodiment
[0091] FIG. 6 is a first structural schematic view of a second
embodiment of the PTC heater for liquid heating of the present
disclosure. FIG. 7 is a second structural schematic view of the
second embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 8 is a third structural schematic view of
the second embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 9 is a longitudinal sectional view of the
second embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 10 is an exploded view of the second
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0092] As shown in FIGS. 6-10, the present disclosure discloses
another PTC heater for liquid heating 20, which may include a heat
conductor 21, a PTC heating assembly 22 and at least one water pipe
assembly 23. The heat conductor 21 in this embodiment is made of an
integrally formed component. Particularly, the heat conductor 21 is
provided with a first accommodating duct 211 and second
accommodating ducts 212, the PTC heating assembly 22 is at least
partially disposed in the first accommodating duct 211, the water
pipe assembly 23 is at least partially disposed in the second
accommodating duct 212, and an outer surface of the water pipe
assembly 23 at least partially abuts against an inner surface of
the second accommodating duct 212. The first accommodating duct 211
and the second accommodating ducts 212 are disposed in parallel.
Particularly, the first accommodating duct 211 is disposed between
the second accommodating ducts 212.
[0093] Further, the water pipe assembly 23 in this embodiment may
include at least one U-shaped water pipe which is at least
partially disposed in the second accommodating ducts 212.
[0094] Preferably, the PTC heater for liquid heating 20 may further
include a water inlet portion 24, and the water inlet portion 24 is
provided with a water inlet duct 241. The water inlet portion 24 is
connected to a first end of the U-shaped water pipe 231, and the
water inlet portion 241 is in communication with the U-shaped water
pipe 231. For example, the first end of the U-shaped water pipe 231
is disposed in the water inlet duct 241 of the water inlet portion
24, such that the water inlet portion is connected to the first end
of the heat conductor 21. Seals 242 are disposed both between an
outer surface of the first end of the U-shaped water pipe 231 and
an inner surface of the water inlet duct 241 of the water inlet
portion 24, and between an end face of the water inlet portion 24
and an end face of the first end of the heat conductor 21.
[0095] Further, the PTC heater for liquid heating 20 may further
include a water outlet portion 25, and the water outlet portion 25
is provided with a water outlet duct 251, wherein the water outlet
portion 25 is connected to a second end of the U-shaped water pipe
231, and the water outlet duct 251 of the water outlet portion 25
is in communication with the U-shaped water pipe 231. For example,
the second end of the U-shaped water pipe 231 is disposed in the
water outlet duct 251 of the water outlet portion 25, such that the
water outlet portion 25 is connected to the first end of the heat
conductor 21. Seals 252 are disposed both between an outer surface
of the second end of the U-shaped water pipe 231 and an inner
surface of the water outlet duct 251 of the water outlet portion
25, and between an end face of the water outlet portion 25 and the
end face of the first end of the heat conductor 21.
[0096] Of course, the material of the heat conductor 21 in this
embodiment may preferably be an aluminum alloy. The material of the
water pipe assembly 23 may preferably be a corrosion-resistant
heat-conducting material, such as one of stainless steel, stainless
iron or copper.
Third Embodiment
[0097] FIG. 11 is a first structural schematic view of a third
embodiment of the PTC heater for liquid heating of the present
disclosure. FIG. 12 is a second structural schematic view of a
third embodiment of the PTC beater for liquid heating of the
present disclosure. FIG. 13 is a third structural schematic view of
the third embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 14 is a longitudinal sectional view of the
third embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 15 is an exploded view of the third
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0098] As shown in FIGS. 11-15, the present disclosure still
discloses a PTC heater for liquid heating 30, which may include a
heat conductor 31, a PTC heating assembly 32 and at least one water
pipe assembly 33. The heat conductor 31 is provided with first and
second accommodating ducts, the PTC heating assembly 32 is at least
partially disposed in the first accommodating duct, the water pipe
assembly 33 is at least partially disposed in the second
accommodating duct, and an outer surface of the water pipe assembly
33 at least partially abuts against an inner surface of the second
accommodating duct. The first and second accommodating ducts are
disposed in parallel. Particularly, the first accommodating duct is
disposed between the second accommodating ducts.
[0099] Preferably, the heat conductor 31 may include a first
component 311 and a second component 312. The first component 311
is provided with the first accommodating duct 313 and a first
groove 314 which is disposed at an outer surface of the first
component 311, the second component 312 is detachably connected to
the first component 311, and the second component 312 is provided
with a second groove 315 corresponding to the first groove 314.
When the first component 311 is connected to the second component
312, the second groove 315 and the first groove 314 are combined to
form the second accommodating duct, and the water pipe assembly 33
may be disposed in the second accommodating duct.
[0100] Of course, the first groove 314 and the second groove 315
herein may also be profiled grooves, and the water pipe assembly 33
can include a profiled water pipe fastened to the second
accommodating duct accordingly. Because of the combination of the
first groove 314 and the second groove 315 to configure to the
second accommodating duct, the type of the second accommodating
duct can be particular corresponding with the type of the profiled
groove in accordance with the configuration of first groove 314 and
second groove 315. The type of the profiled groove can be the
S-shaped groove, U-shaped groove, or other specific shape of the
groove. Moreover, the shape of the profiled water pipe can be
matched with the type of profiled groove to achieve the assembling
of pipe being disposed inside the heat conductor 31.
[0101] Further, the water pipe assembly 33 in this embodiment may
include at least one water inlet pipe 331 and at least one water
outlet pipe 332. At least one end of the water inlet pipe 331 and
at least one end of the water outlet pipe 332 extend out of the
second accommodating duct.
[0102] Moreover, the water pipe assembly 33 in the PTC heater for
liquid heating 30 may further include a connecting portion 333, the
connecting portion 333 is provided with a water flow duct, the
connecting portion 333 is connected to a second end of the water
inlet pipe 331 and a second end of the water outlet pipe 332
respectively, and the water flow duct is in communication with the
water inlet pipe 331 and the water outlet duct 332. Seals 334 are
disposed between an outer surface of the second end of the water
inlet pipe 331 and an inner surface of the water flow duct of the
connecting portion 333, and between an outer surface of the second
end of the water outlet pipe 332 and an inner surface of the water
flow duct of the connecting portion 333. A seal 334 may also be
disposed between an end face of the connecting portion 333 and an
end face of the heat conductor 31.
[0103] Preferably, the PTC heater for liquid heating 30 may further
include a water inlet portion 34, and the water inlet portion 34 is
provided with a water inlet duct 341. The water inlet portion 34 is
connected to a first end of the water inlet pipe 331, and the water
inlet duct 341 is in communication with the water inlet pipe 331.
For example, the first end of the water inlet pipe 331 is disposed
in the water inlet duct 341 of the water inlet portion 34, such
that the water inlet portion 34 is connected to the first end of
the heat conductor 11. Seals 342 are disposed both between an outer
surface of the first end of the water inlet pipe 331 and an inner
surface of the water inlet duct 341 of the water inlet portion 34,
and between an end face of the water inlet portion 34 and an end
face of the first end of the heat conductor 31.
[0104] Further, the PTC heater for liquid heating 30 may further
include a water outlet portion 35, and the water outlet portion 35
is provided with a water outlet duct 351, wherein the water outlet
portion 35 is connected to the first end of the water inlet pipe
332, and the water outlet duct 351 of the water outlet portion 35
is in communication with the water outlet pipe 332. For example,
the first end of the water outlet pipe 332 is disposed in the water
outlet duct 351 of the water outlet portion 35, such that the water
outlet portion 35 is connected to the first end of the heat
conductor 31. Seals 352 are disposed both between an outer surface
of the first end of the water outlet pipe 332 and an inner surface
of the water outlet duct 351 of the water outlet portion 35, and
between an end face of the water outlet portion 35 and the end face
of the first end of the heat conductor 31.
[0105] Of course, the material of the heat conductor 31 in this
embodiment may preferably be an aluminum alloy. The material of the
water pipe assembly 33 may preferably be a corrosion-resistant
heat-conducting material, such as one of stainless steel, stainless
iron or copper.
Fourth Embodiment
[0106] FIG. 16 is a first structural schematic view of a fourth
embodiment of the PTC heater for liquid heating of the present
disclosure. FIG. 17 is a second structural schematic view of the
fourth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 18 is a third structural schematic view of
the fourth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 19 is a longitudinal sectional view of the
fourth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 20 is an exploded view of the fourth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0107] As shown in FIGS. 16-20, the present disclosure discloses
yet another PTC heater for liquid heating 40, which may include a
heat conductor 41, a PTC heating assembly 42 and at least one water
pipe assembly 43. The heat conductor 41 in this embodiment is made
of an integrally formed component. Particularly, the heat conductor
41 is provided with a first accommodating duct 411 and second
accommodating ducts 412, the PTC heating assembly 42 is at least
partially disposed in the first accommodating duct 411, the water
pipe assembly 43 is at least partially disposed in the second
accommodating duct 412, and an outer surface of the water pipe
assembly 43 at least partially abuts against an inner surface of
the second accommodating duct 412. The first accommodating duct 411
and the second accommodating ducts 412 are disposed in parallel.
Particularly, the first accommodating duct 411 is disposed between
the second accommodating ducts 412.
[0108] Further, the water pipe assembly 43 in this embodiment may
include at least one water inlet pipe 431 and at least one water
outlet pipe 432. At least one end of the water inlet pipe 431 and
at least one end of the water outlet pipe 432 extend out of the
second accommodating duct 412.
[0109] Moreover, the water pipe assembly 43 in the PTC heater for
liquid heating 40 may further include a connecting portion 433, the
connecting portion 433 is provided with a water flow duct, the
connecting portion 433 is connected to a second end of the water
inlet pipe 431 and a second end of the water outlet pipe 432
respectively, and the water flow duct is in communication with the
water inlet pipe 431 and the water outlet duct 432. Seals 434 are
disposed both between a surface of the second end of the water
inlet pipe 431 and an inner surface of the water flow duct of the
connecting portion 433, and between the second end of the water
outlet pipe 432 and an inner surface of the water flow duct of the
connecting portion 433, and may be also disposed between an end
face of the connecting portion 433 and an end face of the heat
conductor 41.
[0110] Preferably, the PTC heater for liquid heating 40 may further
include a water inlet portion 44, and the water inlet portion 44 is
provided with a water inlet duct 441. The water inlet portion 44 is
connected to a first end of the water inlet pipe 431, and the water
inlet duct 441 is in communication with the water inlet pipe 431.
For example, the first end of the water inlet pipe 431 is disposed
in the water inlet duct 441 of the water inlet portion 44, such
that the water inlet portion 44 is connected to the first end of
the heat conductor 41. Seals 442 are disposed both between an outer
surface of the first end of the water inlet pipe 431 and an inner
surface of the water inlet duct 441 of the water inlet portion 44,
and between an end face of the water inlet portion 44 and an end
face of the first end of the heat conductor 41.
[0111] Further, the PTC heater for liquid heating 40 may further
include a water outlet portion 45, and the water outlet portion 45
is provided with a water outlet duct 451, wherein the water outlet
portion 45 is connected to the first end of the water inlet pipe
432, and the water outlet duct 451 of the water outlet portion 45
is in communication with the water outlet pipe 432. For example,
the first end of the water outlet pipe 432 is disposed in the water
outlet duct 451 of the water outlet portion 45, such that the water
outlet portion 45 is connected to the first end of the heat
conductor 41. Seals 452 are disposed both between an outer surface
of the first end of the water outlet pipe 432 and an inner surface
of the water outlet duct 451 of the water outlet portion 45, and
between an end face of the water outlet portion 45 and the end face
of the first end of the heat conductor 41.
[0112] Of course, the material of the heat conductor 41 in this
embodiment may preferably be an aluminum alloy. The material of the
water pipe assembly 43 may preferably be a corrosion-resistant
heat-conducting material, such as one of stainless steel, stainless
iron or copper.
Fifth Embodiment
[0113] FIG. 21 is a first structural schematic view of a fifth
embodiment of the PTC heater for liquid heating of the present
disclosure. FIG. 22 is a second structural schematic view of the
fifth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 23 is a third structural schematic view of
the fifth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 24 is a longitudinal sectional view of the
fifth embodiment of the PTC heater for liquid heating of the
present disclosure. FIG. 25 is an exploded view of the fifth
embodiment of the PTC heater for liquid heating of the present
disclosure.
[0114] As shown in FIGS. 21-25, the present disclosure discloses
another PTC heater for liquid heating 50, which may include a heat
conductor 51, a PTC heating assembly 52 and at least one water pipe
assembly 53. The heat conductor 51 in this embodiment is made of an
integrally formed component. Particularly, the heat conductor 51 is
provided with a first accommodating duct 511 and second
accommodating ducts 512, the PTC heating assembly 52 is at least
partially disposed in the first accommodating duct 511, the water
pipe assembly 53 is at least partially disposed in the second
accommodating duct 512, and an outer surface of the water pipe
assembly 53 at least partially abuts against an inner surface of
the second accommodating duct 512. The first accommodating duct 511
and the second accommodating ducts 512 are disposed in parallel.
Particularly, the first accommodating duct 511 is disposed between
the second accommodating ducts 512.
[0115] Further, the water pipe assembly 53 in this embodiment may
include at least one water inlet pipe 531 and a plurality of water
outlet pipes 532. At least one end of the water inlet pipe 531 and
at least one end of the water outlet pipes 532 extend out of the
second accommodating duct 512.
[0116] Moreover, the water pipe assembly 53 in the PTC heater for
liquid heating 50 may further include a connecting portion 533, the
connecting portion 533 is provided with a water flow duct, the
connecting portion 533 is connected to a second end of the water
inlet pipe 531 and a second end of each water outlet pipe 532
respectively, and the water flow duct is in communication with the
water inlet pipe 531 and the water outlet duct 532. Seals 534 are
disposed both between an outer surface of the second end of the
water inlet pipe 531 and an inner surface of the water flow duct of
the connecting portion 533, and between an end face of the
connecting portion 533 and an end face of the heat conductor
51.
[0117] Preferably, the PTC heater for liquid heating 50 may further
include a water inlet portion 54, and the water inlet portion 54 is
provided with a water inlet duct 541. The water inlet portion 54 is
connected to a first end of the water inlet pipe 531, and the water
inlet duct 541 is in communication with the water inlet pipe 531.
For example, the first end of the water inlet pipe 531 is disposed
in the water inlet duct 541 of the water inlet portion 54, such
that the water inlet portion 54 is connected to the first end of
the heat conductor 51. Seals 56 are disposed both between an outer
surface of the first end of the water inlet pipe 531 and an inner
surface of the water inlet duct 541 of the water inlet portion 54,
and between an end face of the water inlet portion 54 and an end
face of the first end of the heat conductor 51.
[0118] Further, the PTC heater for liquid heating 50 may further
include a water outlet portion 55, and the water outlet portion 55
is provided with a water outlet duct 551, wherein the water outlet
portion 55 is connected to the first end of the water inlet pipe
532, and the water outlet duct 551 of the water outlet portion 55
is in communication with the water outlet pipe 532. For example,
the first end of the water outlet pipe 532 is disposed in the water
outlet duct 551 of the water outlet portion 55, such that the water
outlet portion 55 is connected to the first end of the heat
conductor 51. Seals 56 are disposed both between an outer surface
of the first end of the water outlet pipe 532 and an inner surface
of the water outlet duct 551 of the water outlet portion 55, and
between an end face of the water outlet portion 55 and the end face
of the first end of the heat conductor 51.
[0119] Preferably, in this embodiment, for convenience of
production, both the water inlet portion 54 and the water outlet
portion 55 may be integrally formed.
[0120] Of course, the material of the heat conductor 51 in this
embodiment may preferably be an aluminum alloy. The material of the
water pipe assembly 53 may preferably be a corrosion-resistant
heat-conducting material, such as one of stainless steel, stainless
iron or copper.
[0121] As mentioned previously, the PTC heater for liquid heating
can include the heat conductor having one first accommodating duct
arranged in one side, and one second accommodating duct arrange in
another side for holding the PTC heating assembly and water pipe
assembly, respectively. Additionally, the heat conductor may be a
type of configuration having a plurality of first accommodating
ducts and second accommodating ducts forming a plurality of holding
chambers the PTC heating assemblies and water pipe assemblies are
arranged inside the holding chambers.
[0122] In summary, the PTC liquid heating tube of the present
disclosure can achieve a better corrosion resistance, greatly
extend the service life of the PTC heater and prevent electric
leakage accidents. Furthermore, the PTC heater for liquid heating
of the present disclosure has a simple structure and low costs, and
is convenient to assemble, especially in the replacement of the
water pipes for maintaining the PTC heater in future.
[0123] While the particular embodiments of the present disclosure
have been described, a person skilled in the art should understand
that these are merely illustrative, and that the scope of
protection of the present disclosure is defined by the appended
claims. Various alterations or modifications can be made by a
person skilled in the art to these embodiments without departing
from the principle and substance of the present disclosure;
however, these alterations and modifications all fall within the
scope of protection of the present disclosure.
* * * * *