U.S. patent application number 14/716144 was filed with the patent office on 2016-10-20 for connection detection system and detection device.
The applicant listed for this patent is HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD.. Invention is credited to CHUN-SHENG CHEN, KAI-LONG HUANG.
Application Number | 20160308310 14/716144 |
Document ID | / |
Family ID | 57129948 |
Filed Date | 2016-10-20 |
United States Patent
Application |
20160308310 |
Kind Code |
A1 |
HUANG; KAI-LONG ; et
al. |
October 20, 2016 |
CONNECTION DETECTION SYSTEM AND DETECTION DEVICE
Abstract
A detection device detects the integrity of a connection between
respective connectors of two devices. The detection device includes
a control chip, an electronic switch, and an alarm member. The
control chip is connected to the alarm member through the
electronic switch. When the detection device works, the control
chip is connected to the detection pin of the first connector. When
the first connector is properly connected to the second connector,
the detection pin outputs a first signal to the control chip
causing the electronic switch to be off. When the first connector
is connected with the second connector improperly, the detection
pin outputs a second signal and the control chip turns on the
electronic switch, sounding an alarm.
Inventors: |
HUANG; KAI-LONG; (Wuhan,
CN) ; CHEN; CHUN-SHENG; (New Taipei, TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD.
HON HAI PRECISION INDUSTRY CO., LTD. |
Wuhan
New Taipei |
|
CN
TW |
|
|
Family ID: |
57129948 |
Appl. No.: |
14/716144 |
Filed: |
May 19, 2015 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
G09G 2370/12 20130101;
H01R 13/7175 20130101; Y02D 50/40 20180101; H04L 12/12 20130101;
G09G 2370/22 20130101; G09G 5/006 20130101; H01R 13/6691 20130101;
H01R 13/665 20130101; Y02D 30/50 20200801 |
International
Class: |
H01R 13/66 20060101
H01R013/66; H01R 13/70 20060101 H01R013/70; H01R 13/717 20060101
H01R013/717 |
Foreign Application Data
Date |
Code |
Application Number |
Apr 17, 2015 |
CN |
201510183287.0 |
Claims
1. A detection device configured to detect a connection between a
first connector of a first electronic device and a second connector
of a second electronic device, the detection device comprising: a
control chip; an electronic switch electrically coupled to the
control chip; and an alarm member electrically coupled to the
control chip through the electronic switch; wherein the control
chip is electrically coupled to a detection pin of the first
connector in event that the detection device detects that the first
connector and the second connector are connected; wherein, in event
that the first connector is electrically coupled to the second
connector properly, the detection pin outputs a first signal to the
control chip, the control chip transmits a control to turn off the
electronic switch; wherein, in event that the first connector is
electrically coupled to the second connector improperly, the
detection pin outputs a second signal to the control chip, the
control chip transmits a control to turn on the electronic switch,
thereby enabling the alarm member, which emits an alarm; the
electronic switch comprises a first terminal, a second terminal and
a third terminal, the alarm member comprises a first terminal and a
second terminal, the first terminal of the electronic switch is
electrically coupled to an output pin of the control chip, the
second terminal of the electronic switch is electrically coupled to
the first terminal of the alarm member, the third terminal of the
electronic switch is electrically coupled to a ground, and the
second terminal of the alarm member is electrically coupled to a
power supply.
2. The detection device of claim 1, wherein the control chip
further comprises an input pin, the output pin is electrically
coupled to the electronic switch, the input pin is electrically
coupled to the detection pin, in event that the detection device
detects the connection between the first connector and the second
connector; the detection pin outputs the first signal to the input
pin of the control chip, the output pin of the control chip outputs
a third signal to the electronic switch, and the electronic switch
is turned off, in event that the first connector is electrically
coupled to the second connector properly; and the detection pin
outputs the second signal to the input pin of the control chip, the
output pin of the control chip outputs a fourth signal to the
electronic switch, and the electronic switch is turned on, in event
that the first connector is electrically coupled to the second
connector improperly.
3. The detection device of claim 2, wherein when the output pin
outputs the third signal to the first terminal of the electronic
switch, the electronic switch is turned off, the second terminal of
the alarm member is not electrically coupled to the ground, and the
alarm member does not operate; when the output pin outputs the
fourth signal to the first terminal of the electronic switch, the
electronic switch is turned on, the second terminal of the alarm
member is electrically coupled to the ground through the electronic
switch, and the alarm member operates.
4. The detection device of claim 3, wherein the electronic switch
can be an NPN-type bipolar junction transistor (BJT) or an
n-channel metal-oxide semiconductor field-effect transistor
(NMOSFET), the first terminal, the second terminal and the third
terminal of the electronic switch correspond to a base, a collector
and an emitter of the NPN-type bipolar junction transistor or a
gate, a drain, and a source of the n-channel metal-oxide
semiconductor field-effect transistor.
5. The detection device of claim 3, wherein the alarm member
comprises a first buzzer, the first terminal and the second
terminal of the alarm member correspond to a grounded terminal and
a power supply terminal of the first buzzer, when the alarm member
operates, the first buzzer alarms.
6. The detection device of claim 3, wherein the alarm member
comprises a first light-emitting diode, the first terminal and the
second terminal of the alarm member correspond to a cathode and an
anode of the first light-emitting diode, when the alarm member
operates, the first light-emitting diode is lit.
7. The detection device of claim 3, wherein the alarm member
comprises a second buzzer and a second light-emitting diode, the
first terminal and the second terminal of the alarm member
correspond to a cathode of the second light-emitting diode and a
power supply terminal of the second buzzer, an anode of the second
light-emitting diode is electrically coupled to a grounded terminal
of the second buzzer, when the alarm member operates, the second
buzzer alarms and the second light-emitting diode is lit.
8. A detection system comprising: a detection device comprising: a
control chip; an electronic switch electrically coupled to the
control chip; and an alarm member electrically coupled to the
electronic switch; a first electronic device comprising a first
connector comprising a detection pin; and a second electronic
device comprising a second connector electrically coupled to the
first connector; wherein the control chip is electrically coupled
to a detection pin of the first connector in event that the
detection device detects that the first connector and the second
connector are connected; wherein, in event that the first connector
is electrically coupled to the second connector properly, the
detection pin outputs a first signal to the control chip, the
control chip transmits a control to turn off the electronic switch;
wherein, in event that the first connector is electrically coupled
to the second connector improperly, the detection pin outputs a
second signal to the control chip, the control chip transmits a
control to turn on the electronic switch, thereby enabling the
alarm member, which emits an the alarm; the electronic switch
comprises a first terminal, a second terminal and a third terminal,
the alarm member comprises a first terminal and a second terminal,
the first terminal of the electronic switch is electrically coupled
to an output pin of the control chip, the second terminal of the
electronic switch is electrically coupled to the first terminal of
the alarm member, the third terminal of the electronic switch is
electrically coupled to a ground, and the second terminal of the
alarm member is electrically coupled to a power supply.
9. The detection system of claim 8, wherein the control chip
further comprises an input pin, the output pin is electrically
coupled to the electronic switch, the input pin is electrically
coupled to the detection pin, in event that the detection device
detects the connection between the first connector and the second
connector; the detection pin outputs the first signal to the input
pin of the control chip, the output pin of the control chip outputs
a third signal to the electronic switch, and the electronic switch
is turned off, in event that the first connector is electrically
coupled to the second connector properly; and the detection pin
outputs the second signal to the input pin of the control chip, the
output pin of the control chip outputs a fourth signal to the
electronic switch, and the electronic switch is turned on, in event
that the first connector is electrically coupled to the second
connector improperly.
10. The detection system of claim 9, wherein when the output pin
outputs the third signal to the first terminal of the electronic
switch, the electronic switch is turned off, the second terminal of
the alarm member is not electrically coupled to the ground, and the
alarm member does not operate; when the output pin outputs the
fourth signal to the first terminal of the electronic switch, the
electronic switch is turned on, the second terminal of the alarm
member is electrically coupled to the ground through the electronic
switch, and the alarm member operates.
11. The detection system of claim 10, wherein the electronic switch
can be an NPN-type bipolar junction transistor (BJT) or an
n-channel metal-oxide semiconductor field-effect transistor
(NMOSFET), the first terminal, the second terminal and the third
terminal of the electronic switch correspond to a base, a collector
and an emitter of the NPN-type bipolar junction transistor or a
gate, a drain, and a source of the n-channel metal-oxide
semiconductor field-effect transistor.
12. The detection system of claim 10, wherein the alarm member
comprises a first buzzer, the first terminal and the second
terminal of the alarm member correspond to a grounded terminal and
a power supply terminal of the first buzzer, when the alarm member
operates, the first buzzer alarms.
13. The detection system of claim 10, wherein the alarm member
comprises a first light-emitting diode, the first terminal and the
second terminal of the alarm member correspond to a cathode and an
anode of the first light-emitting diode, when the alarm member
operates, the first light-emitting diode is lit.
14. The detection system of claim 10, wherein the alarm member
comprises a second buzzer and a second light-emitting diode, the
first terminal and the second terminal of the alarm member
correspond to a cathode of the second light-emitting diode and a
power supply terminal of the second buzzer, an anode of the second
light-emitting diode is electrically coupled to a grounded terminal
of the second buzzer, when the alarm member operates, the second
buzzer alarms and the second light-emitting diode is lit.
Description
FIELD
[0001] The subject matter herein generally relates to a connection
detection system and a detection device.
BACKGROUND
[0002] HDMI (High Definition Multimedia Interface) is a display
interface and is widely used for a computer or a smart TV. However,
if a HDMI of a display is connected to a HDMI of a motherboard
improperly, the display will appear black screen.
BRIEF DESCRIPTION OF THE DRAWINGS
[0003] Implementations of the present technology will now be
described, by way of example only, with reference to the attached
figures.
[0004] FIG. 1 is a block diagram of an embodiment of a detection
system comprising a detection device.
[0005] FIG. 2 is a block diagram of the detection device of FIG.
1.
[0006] FIG. 3 is a circuit diagram of the detection device of FIG.
1 in a first exemplary embodiment.
[0007] FIG. 4 is a circuit diagram of the detection device of FIG.
1 in a second exemplary embodiment.
[0008] FIG. 5 is a circuit diagram of the detection device of FIG.
1 in a third exemplary embodiment.
DETAILED DESCRIPTION
[0009] It will be appreciated that for simplicity and clarity of
illustration, where appropriate, reference numerals have been
repeated among the different figures to indicate corresponding or
analogous elements. In addition, numerous specific details are set
forth in order to provide a thorough understanding of the
embodiments described herein. However, it will be understood by
those of ordinary skill in the art that the embodiments described
herein can be practiced without these specific details. In other
instances, methods, procedures, and components have not been
described in detail so as not to obscure the related relevant
feature being described. The drawings are not necessarily to scale
and the proportions of certain parts may be exaggerated to better
illustrate details and features. The description is not to be
considered as limiting the scope of the embodiments described
herein.
[0010] Several definitions that apply throughout this disclosure
will now be presented.
[0011] The term "coupled" is defined as connected, whether directly
or indirectly through intervening components, and is not
necessarily limited to physical connections. The connection can be
such that the objects are permanently connected or releasably
connected. The term "comprising," when utilized, means "including,
but not necessarily limited to"; it specifically indicates
open-ended inclusion or membership in the so-described combination,
group, series and the like.
[0012] The present disclosure relates to a detection system and a
detection device.
[0013] FIG. 1 illustrates an exemplary embodiment of a detection
system 1000. The detection system 1000 can comprise a detection
device 100, a first electronic device 200 and a second electronic
device 300. The first electronic device 200 can comprise a first
connector 220, and the second electronic device 300 can comprise a
second connector 320. The first connector 220 is configured to be
electrically coupled to the second connector 320 and the detection
device 100. The detection device 100 is configured to detect a
connection between the first connector 220 of the first electronic
device 200 and the second connector 320 of the second electronic
device 300. In at least one embodiment, the first electronic device
200 is a motherboard, the second electronic device 300 is a
display, and the first connector 220 and the second connector 320
are both HDMI (High Definition Multimedia Interface) connectors. In
other embodiments, the first connector 220 and the second connector
320 can be other interface such as DVI (Digital Visual Interface)
or Display Port connectors.
[0014] FIG. 2 and FIG. 3 illustrate a first exemplary embodiment of
a detection device 100. The detection device 100 can comprise a
control chip 120, an electronic switch 160, and an alarm member
180. The first connector 220 can comprise a detection pin HPD and a
power supply pin VCC. The control chip 120 can comprise an input
pin GPIO and an output pin BEEP. The electronic switch 160 can
comprise a first terminal, a second terminal, and a third terminal.
The alarm member 180 can comprise a first terminal and a second
terminal. The input pin GPIO of the control chip 120 is
electrically coupled to the detection pin HPD of the first
connector 220, when the detection device 100 is configured to
detect the connection between the first connector 220 and the
second connector 320. The power supply pin VCC of the first
connector 220 is electrically coupled to a power supply 5V. The
first terminal of the electronic switch 160 is electrically coupled
to the output pin BEEP of the control chip 120 through a resistor
R1. The second terminal of the electronic switch 160 is
electrically coupled to the first terminal of the alarm member 180.
The third terminal of the electronic switch 160 is electrically
coupled to ground. The second terminal of the alarm member 180 is
electrically coupled to a power supply +5V_AUX through a resistor
R2.
[0015] In present embodiment, the control chip 120 can be a CODEC,
the detection pin HPD can be a hot-swap detection pin, the
electronic switch 160 can be an NPN-type bipolar junction
transistor, and the alarm member 180 can comprise a buzzer B1. The
first terminal, the second terminal, and the third terminal of the
electronic switch 160 correspond to a base, a collector, and an
emitter of the NPN-type bipolar junction transistor. The first
terminal and the second terminal of the alarm member 180 correspond
to a ground terminal and a power supply terminal of the buzzer B1.
In other embodiments, the electronic switch 160 can be an n-channel
metal-oxide semiconductor field-effect transistor (NMOSFET) or
other suitable switch having similar functions.
[0016] In use, the second connector 320 of the second electronic
device 300 is configured to be electrically coupled to the first
connector 220 of the first electronic device 200. If the second
electronic device 300 operates abnormally, such as a screen of the
second electronic device 300 appearing black, the detection device
100 is needed to detect an integrity of the connection between the
first connector 220 of the first electronic device 200 and the
second connector 320 of the second electronic device 300. If the
second electronic device 300 operates normally, the first connector
220 is taken as properly coupled electrically to the second
connector 320 and the detection device 100 is not needed.
[0017] When the detection device 100 is used to detect the
integrity of the connection between the first connector 220 and the
second connector 320, the input pin GPIO is electrically coupled to
the detection pin HPD of the first connector 220. When the first
connector 220 is electrically coupled to second connector 320
properly, the detection pin HPD of the first connector 220 is
electrically coupled to the power supply pin VCC in a short
circuit. The detection pin HPD outputs a high level signal to the
input pin GPIO of the control chip 120, the output pin BEEP of the
control chip 120 outputs a low level signal to the first terminal
of the electronic switch 160, and the electronic switch 160 is
turned off. The second terminal of the alarm member 180 is not
electrically coupled to ground, and the alarm member 180 does not
operate, indicating a proper connection between the first connector
220 and the second connector 320.
[0018] When the first connector 220 is electrically coupled to
second connector 320 improperly, the detection pin HPD is
disconnected from the power supply pin VCC. The detection pin HPD
outputs a low level signal to the input pin GPIO of the control
chip 120, the output pin BEEP of the control chip 120 outputs a
high level signal to the first terminal of the electronic switch
160, and the electronic switch 160 is turned on. The second
terminal of the alarm member 180 is electrically coupled to ground
through the electronic switch 160. The alarm member 180 operates
and the buzzer B1 sounds, to indicate an improper connection
between the first connector 220 and the second connector 320.
[0019] FIG. 4 illustrates a second exemplary embodiment of a
detection device 100. A difference between the first exemplary
embodiment and the second exemplary embodiment is that the alarm
member 182 can comprise a light-emitting diode D1. The first
terminal and the second terminal of the alarm member 182 correspond
to a cathode and an anode of the light-emitting diode D1. When the
alarm member 182 operates, the light-emitting diode D1 is
illuminated.
[0020] FIG. 5 illustrates a third exemplary embodiment of a
detection device 100. The difference between the first exemplary
embodiment and the third exemplary embodiment is that the alarm
member 186 can comprise a buzzer B3 and a light-emitting diode D2.
The first terminal and the second terminal of the alarm member 186
correspond to a cathode of the light-emitting diode D2 and a power
supply terminal of the buzzer B3. An anode of the light-emitting
diode D2 is electrically coupled to a ground terminal of the buzzer
B3. When the alarm member 186 operates, the buzzer B3 sounds and
the light-emitting diode D2 is simultaneously illuminated.
[0021] The embodiments shown and described above are only examples.
Even though numerous characteristics and advantages of the present
technology have been set forth in the foregoing description,
together with details of the structure and function of the present
disclosure, the disclosure is illustrative only, and changes may be
made in the details, including matters of shape, size, and
arrangement of the parts within the principles of the present
disclosure, up to and including the full extent established by the
broad general meaning of the terms used in the claims.
* * * * *