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CN105510762B - Test method of intelligent test circuit for USB TYPE-C wire - Google Patents

Test method of intelligent test circuit for USB TYPE-C wire Download PDF

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Publication number
CN105510762B
CN105510762B CN201610013460.7A CN201610013460A CN105510762B CN 105510762 B CN105510762 B CN 105510762B CN 201610013460 A CN201610013460 A CN 201610013460A CN 105510762 B CN105510762 B CN 105510762B
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pin
electrically connected
usb type
switch
displayport
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CN105510762A (en
Inventor
兰德泉
王会斌
胡振光
戴赟
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Guangdong Mingji High Tech Electronics Co Ltd
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Dongguan Mingji Electronics Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Insulated Conductors (AREA)
  • Information Transfer Systems (AREA)

Abstract

The invention relates to an intelligent test circuit for a USB TYPE-C wire and a test method thereof, wherein the test circuit comprises: a DisplayPort signal input; the first USB TYPE-C socket end is electrically connected with the displayPort signal input end; a second USB TYPE-C receptacle end; the bidirectional transfer switches are electrically connected with the second USB TYPE-C socket end; the display Port signal output end is electrically connected with the bidirectional switch and used for receiving a display Port test signal; and the display is electrically connected with the DisplayPort signal output end. The first end and the second end of TYPE-C wire rod are pegged graft respectively and are held and second USB TYPE-C socket, whether show with predetermined resolution ratio at the display through judging the DisplayPort test signal, if no, the user triggers a plurality of two-way change over switch and switches over the connection between a plurality of pins of presetting of second USB TYPE-C socket end to realize that simple operation can accomplish and test the electric connection when inserting USB TYPE-C wire rod is positive and negative.

Description

The test method of intelligence test circuit for USB TYPE-C wire rod
Technical field
The present invention relates to USB Type-C wire rod technical fields, more particularly to a kind of intelligence for USB TYPE-C wire rod Circuit and its test method can be tested.
Background technique
There are mainly three types of transfer functions by USB Type-C, are usb data, power supply/charge, DisplayPort video respectively. It concludes and, USB Type-C has at least the following advantages: 1, largest data transfer speed reaches 10Gbit/ seconds and USB 3.1 standard；2, the size of USB Type-C socket end is about 8.3mm × 2.5mm；3, support can be inserted into from tow sides " positive anti-plug " function, can bear 10,000 times and plug repeatedly.Based on above-mentioned advantage, in the near future, mobile phone, plate, notebook, The communication interface of the electronics such as desktop computer can standard configuration USB Type-C, USB Type-C wire rod the market demand it is huge Greatly.
The plug of USB Type-C wire rod has pin as shown in Figure 2；USB Type-C socket end has draws as shown in Figure 3 Foot.
Electricity when the positive anti-plug of first end and second end of USB Type-C wire rod is tested before the factory of USB Type-C wire rod Whether gas connection is normal, and traditional way need to test four times: that is, first end carries out positive anti-plug test twice, after exchanging second end Positive and negative test is carried out again twice, is led to that testing time is more, the used time is longer, is unfavorable for the batch production of USB Type-C wire rod.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, provide a kind of intelligence test circuit for USB TYPE-C wire rod and Its test method, electrical connection when simple operations can be completed to USB Type-C wire rod positive anti-plug are tested.
A kind of intelligence test circuit for USB TYPE-C wire rod, comprising:
DisplayPort signal input part, for receiving DisplayPort test signal；
It is electrically connected the first USB TYPE-C socket end of the DisplayPort signal input part, is used for grafting USB The first end of TYPE-C wire rod；
2nd USB TYPE-C socket end, the second end for grafting USB TYPE-C wire rod；
Several two-way switching switches of the 2nd USB TYPE-C socket end are electrically connected, for responding the triggering of user, Switch connection between several preset pins of the 2nd USB TYPE-C socket end；
It is electrically connected the DisplayPort signal output end of the two-way switching switch, for receiving the DisplayPort Test signal；
It is electrically connected the display of the DisplayPort signal output end, for receiving the DisplayPort test letter Number, and signal is tested according to the DisplayPort and is shown.
The DisplayPort signal output end has pin listed by following table in one of the embodiments:
Pin Definition Pin Definition
1 ML_Lane0(p) 11 GND
2 GND 12 ML_Lane3(n)
3 ML_Lane0(n) 13 CONFIG1
4 ML_Lane1(p) 14 CONFIG2
5 GND 15 AUX CH(p)
6 ML_Lane1(n) 16 GND
7 ML_Lane2(p) 17 AUX CH(n)
8 GND 18 Hot Plug Detect
9 ML_Lane2(n) 19 Return
10 ML_Lane3(p) 20 DP_PWR
Wherein, the number of the two-way switching switch is eight, and each two-way switching switch includes: fixing end, first Switch terminal and the second switch terminal；
The ML_Lane0 (p) of fixing end and the DisplayPort signal output end that first two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the A2 pin of USB Type-C socket end, the second switch terminal and USB Type- The B2 pin of C socket end is electrically connected；
The ML_Lane0 (n) of fixing end and the DisplayPort signal output end that second two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the A3 pin of USB Type-C socket end, the second switch terminal and USB Type- The B3 pin of C socket end is electrically connected；
The fixing end of the two-way switching switch of third and the ML_Lane1 (p) of the DisplayPort signal output end draw Foot electrical connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, the second switch terminal and USB The B10 pin of Type-C socket end is electrically connected；
The ML_Lane1 (n) of fixing end and the DisplayPort signal output end that 4th two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the A11 pin of USB Type-C socket end, the second switch terminal and USB The B11 pin of Type-C socket end is electrically connected；
The ML_Lane2 (p) of fixing end and the DisplayPort signal output end that 5th two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the B2 pin of USB Type-C socket end, the second switch terminal and USB Type- The A2 pin of C socket end is electrically connected；
The ML_Lane2 (n) of fixing end and the DisplayPort signal output end that 6th two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, the second switch terminal and USB The A3 pin of Type-C socket end is electrically connected；
The ML_Lane3 (p) of fixing end and the DisplayPort signal output end that 7th two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the B10 pin of USB Type-C socket end, the second switch terminal and USB The B10 pin of Type-C socket end is electrically connected；
The ML_Lane3 (n) of fixing end and the DisplayPort signal output end that 8th two-way switching switchs draws Foot electrical connection, the first switch terminal are electrically connected with the B11 pin of USB Type-C socket end, the second switch terminal and USB The A11 pin of Type-C socket end is electrically connected.
A kind of test method of the intelligence test circuit for USB TYPE-C wire rod, comprising:
The first end of USB TYPE-C wire rod and the first USB TYPE-C socket end grafting, the second of USB TYPE-C wire rod End and the 2nd USB TYPE-C socket end grafting；
DisplayPort signal input part receives DisplayPort and tests signal；
DisplayPort signal output end receives the DisplayPort and tests signal；
Judge whether display is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering are in the 2nd USB Switch connection between several preset pins of TYPE-C socket end.
Above-mentioned intelligence test circuit and its test method for USB TYPE-C wire rod, the first end of TYPE-C wire rod and Second end is plugged on the first USB TYPE-C socket end and the 2nd USB TYPE-C socket end respectively, passes through judgement Whether DisplayPort signal input part received DisplayPort test signal shown in display with default resolution ratio, if No, user triggers several two-way switching switches and switches company between several preset pins of the 2nd USB TYPE-C socket end It connects, to realize that electrical connection when simple operations can be completed to USBType-C wire rod positive anti-plug is tested.
Detailed description of the invention
Fig. 1 is the structural block diagram for inventing the intelligence test circuit for USB TYPE-C wire rod of a preferred embodiment；
Fig. 2 is that the plug pin of USB Type-C wire rod defines table；
Fig. 3 is that USB Type-C socket end pin defines table；
Fig. 4 is that two-way switching switch connect and shows with DisplayPort signal output end and USB Type-C socket end respectively It is intended to.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough Comprehensively.
As shown in Figure 1, the knot of the intelligence test circuit 30 for USB TYPE-C wire rod of a preferred embodiment of the present invention Structure block diagram, comprising: DisplayPort signal input part 31, the first USB for being electrically connected DisplayPort signal input part 31 TYPE-C socket end 32, is electrically connected the several two-way of the 2nd USB TYPE-C socket end 33 at the 2nd USB TYPE-C socket end 33 Switch switch 34, the DisplayPort signal output end 35 of the two-way switching switch 34 of electrical connection and electrical connection DisplayPort The display 36 of signal output end 35.
DisplayPort signal input part 31 is for receiving DisplayPort test signal.In practical applications, DisplayPort signal input part 31 connects the DisplayPort signal output port on computer, defeated by operation computer DisplayPort tests signal out.First USB TYPE-C socket end 32 is used for the first end of grafting USB TYPE-C wire rod 40. 2nd USB TYPE-C socket end 33 is used for the second end of grafting USB TYPE-C wire rod 40.Several two-way switching switches 34 are used for The triggering for responding user switches connection between several preset pins of the 2nd USB TYPE-C socket end 33. DisplayPort signal output end 35 is for receiving DisplayPort test signal.Display is for receiving DisplayPort Signal is tested, and signal is tested according to DisplayPort and is shown.
USB Type-C shown in table and Fig. 3 is defined refering to the plug pin of USB Type-C wire rod as shown in Figure 2 Socket end pin defines table.
Specifically in the present embodiment, DisplayPort signal output end 35 has pin listed by following table:
Pin Definition Pin Definition
1 ML_Lane0(p) 11 GND
2 GND 12 ML_Lane3(n)
3 ML_Lane0(n) 13 CONFIG1
4 ML_Lane1(p) 14 CONFIG2
5 GND 15 AUX CH(p)
6 ML_Lane1(n) 16 GND
7 ML_Lane2(p) 17 AUX CH(n)
8 GND 18 Hot Plug Detect
9 ML_Lane2(n) 19 Return
10 ML_Lane3(p) 20 DP_PWR
Refering to Fig. 4, the number of two-way switching switch is eight, and each two-way switching switch includes: fixing end, the first switch terminal With the second switch terminal.
ML_Lane0 (p) the pin electricity of the fixing end of first two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the A2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The B2 pin electrical connection at seat end.
ML_Lane0 (n) the pin electricity of the fixing end of second two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the A3 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The B3 pin electrical connection at seat end.
The fixing end of the two-way switching switch of third and ML_Lane1 (p) the pin electricity of DisplayPort signal output end Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The B10 pin electrical connection at seat end.
ML_Lane1 (n) the pin electricity of the fixing end of 4th two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the A11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The B11 pin electrical connection at seat end.
ML_Lane2 (p) the pin electricity of the fixing end of 5th two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the B2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The A2 pin electrical connection at seat end.
ML_Lane2 (n) the pin electricity of the fixing end of 6th two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The A3 pin electrical connection at seat end.
ML_Lane3 (p) the pin electricity of the fixing end of 7th two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the B10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The B10 pin electrical connection at seat end.
ML_Lane3 (n) the pin electricity of the fixing end of 8th two-way switching switch and DisplayPort signal output end Connection, the first switch terminal are electrically connected with the B11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted The A11 pin electrical connection at seat end.
The present invention also provides a kind of test methods of intelligence test circuit for USB TYPE-C wire rod, comprising:
Step 1, the first end of USB TYPE-C wire rod 40 and 32 grafting of the first USB TYPE-C socket end, USB TYPE-C The second end of wire rod 40 and 33 grafting of the 2nd USB TYPE-C socket end.
Step 2, DisplayPort signal input part 31 receive DisplayPort and test signal.
Step 3, DisplayPort signal output end receive DisplayPort and test signal.
Step 4 judges whether display 36 is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering 34 switch connection between several preset pins of the 2nd USB TYPE-C socket end 33.
Above-mentioned intelligence test circuit and its test method for USB TYPE-C wire rod, the first end of TYPE-C wire rod 40 It is plugged on the first USB TYPE-C socket end 32 and the 2nd USB TYPE-C socket end 33 respectively with second end, passes through judgement Whether the received DisplayPort of DisplayPort signal input part 31 tests signal aobvious with default resolution ratio in display 36 Show, if it is not, user triggers several two-way switching switches 34 in several preset pins of the 2nd USB TYPE-C socket end 33 Between switch connection, to realize that electrical connection when simple operations can be completed to USB Type-C 40 positive anti-plug of wire rod carries out Test.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (1)

1.用于USB TYPE-C线材的智能测试电路的测试方法，其特征在于，包括：1. the test method for the intelligent test circuit of USB TYPE-C wire, is characterized in that, comprises: 其中，所述智能测试电路包括：DisplayPort信号输入端，用于接收DisplayPort测试信号；Wherein, described intelligent test circuit comprises: DisplayPort signal input terminal, is used for receiving DisplayPort test signal; 电连接所述DisplayPort信号输入端的第一USB TYPE-C插座端，用于插接USB TYPE-C线材的第一端；Electrically connected to the first USB TYPE-C socket end of the DisplayPort signal input end, used for plugging the first end of the USB TYPE-C wire; 第二USB TYPE-C插座端，用于插接USB TYPE-C线材的第二端；The second USB TYPE-C socket end is used to plug the second end of the USB TYPE-C wire; 电连接所述第二USB TYPE-C插座端的若干双向切换开关，用于响应用户的触发，在所述第二USB TYPE-C插座端的预设的若干个引脚之间切换连接；Several two-way switching switches electrically connected to the second USB TYPE-C socket end are used to switch connections between several preset pins of the second USB TYPE-C socket end in response to a user's trigger; 电连接所述双向切换开关的DisplayPort信号输出端，用于接收所述DisplayPort测试信号；Electrically connected to the DisplayPort signal output end of the two-way switch for receiving the DisplayPort test signal; 电连接所述DisplayPort信号输出端的显示器，用于接收所述DisplayPort测试信号，并根据所述DisplayPort测试信号进行显示；a display electrically connected to the DisplayPort signal output end for receiving the DisplayPort test signal and displaying according to the DisplayPort test signal; 其中，所述DisplayPort信号输出端具有如下引脚：引脚1为ML_Lane0(p)引脚，引脚2为GND引脚，引脚3为ML_Lane0(n)引脚，引脚4为ML_Lane1(p)引脚，引脚5为GND引脚，引脚6为ML_Lane1(n)引脚，引脚7为ML_Lane2(p)引脚，引脚8为GND引脚，引脚9为ML_Lane2(n)引脚，引脚10为ML_Lane3(p)引脚，引脚11为GND引脚，引脚12为ML_Lane3(n)引脚，引脚13为CONFIG1引脚，引脚14为CONFIG2引脚，引脚15为AUX CH(p)引脚，引脚16为GND引脚，引脚17为AUX CH(n)引脚，引脚18为Hot Plug Detect引脚，引脚19为Return引脚，引脚20为DP_PWR引脚；所述双向切换开关的个数为八个，各所述双向切换开关包括：固定端、第一切换端和第二切换端；The DisplayPort signal output terminal has the following pins: pin 1 is the ML_Lane0(p) pin, pin 2 is the GND pin, pin 3 is the ML_Lane0(n) pin, and pin 4 is the ML_Lane1(p) pin ) pin, pin 5 is GND pin, pin 6 is ML_Lane1(n) pin, pin 7 is ML_Lane2(p) pin, pin 8 is GND pin, and pin 9 is ML_Lane2(n) Pins, pin 10 is the ML_Lane3(p) pin, pin 11 is the GND pin, pin 12 is the ML_Lane3(n) pin, pin 13 is the CONFIG1 pin, and pin 14 is the CONFIG2 pin. Pin 15 is the AUX CH(p) pin, pin 16 is the GND pin, pin 17 is the AUX CH(n) pin, pin 18 is the Hot Plug Detect pin, and pin 19 is the Return pin. The pin 20 is the DP_PWR pin; the number of the two-way switch is eight, and each of the two-way switch includes: a fixed end, a first switch end and a second switch end; 第一个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane0(p)引脚电连接，其第一切换端与USB Type-C插座端的A2引脚电连接，其第二切换端与USB Type-C插座端的B2引脚电连接；The fixed end of the first bidirectional switch is electrically connected to the ML_Lane0(p) pin of the DisplayPort signal output end, the first switch end is electrically connected to the A2 pin of the USB Type-C socket end, and the second switch end is connected to the USB The B2 pin of the Type-C socket end is electrically connected; 第二个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane0(n)引脚电连接，其第一切换端与USB Type-C插座端的A3引脚电连接，其第二切换端与USB Type-C插座端的B3引脚电连接；The fixed end of the second bidirectional switch is electrically connected to the ML_Lane0(n) pin of the DisplayPort signal output end, the first switch end is electrically connected to the A3 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The B3 pin of the Type-C socket end is electrically connected; 第三个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane1(p)引脚电连接，其第一切换端与USB Type-C插座端的A10引脚电连接，其第二切换端与USB Type-C插座端的B10引脚电连接；The fixed end of the third bidirectional switch is electrically connected to the ML_Lane1(p) pin of the DisplayPort signal output end, the first switch end is electrically connected to the A10 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The B10 pin of the Type-C socket end is electrically connected; 第四个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane1(n)引脚电连接，其第一切换端与USB Type-C插座端的A11引脚电连接，其第二切换端与USB Type-C插座端的B11引脚电连接；The fixed end of the fourth bidirectional switch is electrically connected to the ML_Lane1(n) pin of the DisplayPort signal output end, the first switch end is electrically connected to the A11 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The B11 pin of the Type-C socket end is electrically connected; 第五个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane2(p)引脚电连接，其第一切换端与USB Type-C插座端的B2引脚电连接，其第二切换端与USB Type-C插座端的A2引脚电连接；The fixed end of the fifth bidirectional switch is electrically connected to the ML_Lane2(p) pin of the DisplayPort signal output end, the first switch end is electrically connected to the B2 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The A2 pin of the Type-C socket end is electrically connected; 第六个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane2(n)引脚电连接，其第一切换端与USB Type-C插座端的A10引脚电连接，其第二切换端与USB Type-C插座端的A3引脚电连接；The fixed end of the sixth bidirectional switch is electrically connected to the ML_Lane2(n) pin of the DisplayPort signal output end, the first switch end is electrically connected to the A10 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The A3 pin of the Type-C socket end is electrically connected; 第七个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane3(p)引脚电连接，其第一切换端与USB Type-C插座端的B10引脚电连接，其第二切换端与USB Type-C插座端的B10引脚电连接；The fixed end of the seventh bidirectional switch is electrically connected to the ML_Lane3(p) pin of the DisplayPort signal output end, the first switch end is electrically connected to the B10 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The B10 pin of the Type-C socket end is electrically connected; 第八个双向切换开关的固定端与所述DisplayPort信号输出端的ML_Lane3(n)引脚电连接，其第一切换端与USB Type-C插座端的B11引脚电连接，其第二切换端与USB Type-C插座端的A11引脚电连接；The fixed end of the eighth bidirectional switch is electrically connected to the ML_Lane3(n) pin of the DisplayPort signal output end, the first switch end is electrically connected to the B11 pin of the USB Type-C socket end, and the second switch end is electrically connected to the USB The A11 pin of the Type-C socket end is electrically connected; 步骤1、USB TYPE-C线材的第一端与第一USB TYPE-C插座端插接，USB TYPE-C线材的第二端与第二USB TYPE-C插座端插接；Step 1. Plug the first end of the USB TYPE-C wire with the first USB TYPE-C socket end, and plug the second end of the USB TYPE-C wire with the second USB TYPE-C socket end; 步骤2、DisplayPort信号输入端接收DisplayPort测试信号；Step 2, the DisplayPort signal input terminal receives the DisplayPort test signal; 步骤3、DisplayPort信号输出端接收所述DisplayPort测试信号；Step 3, the DisplayPort signal output terminal receives the DisplayPort test signal; 步骤4、判断显示器是否以预设分辨率显示，若否，用户触发若干双向切换开关在第二USB TYPE-C插座端的预设的若干个引脚之间切换连接。Step 4. Determine whether the display is displayed at a preset resolution. If not, the user triggers a number of two-way switches to switch connections between a number of preset pins on the second USB TYPE-C socket.
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