CN105510762B - The test method of intelligence test circuit for USB TYPE-C wire rod - Google Patents

The test method of intelligence test circuit for USB TYPE-C wire rod 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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China
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pin
usb type
displayport
electrically connected
way switching
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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 Ming Ji Electronics Technology Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Abstract

The present invention relates to a kind of intelligence test circuits and its test method for USB TYPE-C wire rod, and testing circuit includes: DisplayPort signal input part;It is electrically connected the first USB TYPE-C socket end of DisplayPort signal input part;2nd USB TYPE-C socket end;It is electrically connected several two-way switching switches of the 2nd USB TYPE-C socket end;It is electrically connected the DisplayPort signal output end of two-way switching switch, for receiving DisplayPort test signal;It is electrically connected the display of DisplayPort signal output end.The first end and second end of TYPE-C wire rod is plugged on the first USB TYPE-C socket end and the 2nd USB TYPE-C socket end respectively, whether shown by judging that DisplayPort tests signal in display with presetting resolution ratio, if not, user triggers several two-way switching switches and switches connection between several preset pins of the 2nd USB TYPE-C socket end, to realize that electrical connection when simple operations can be completed to USB Type-C wire rod positive anti-plug is tested.

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. the test method of the intelligence test circuit for USB TYPE-C wire rod characterized by comprising
Wherein, the intelligence test circuit includes: DisplayPort signal input part, for receiving DisplayPort test letter Number;
It is electrically connected the first USB TYPE-C socket end of the DisplayPort signal input part, is used for grafting USB TYPE-C The first end of 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, in institute It states and switches 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 signal, And signal is tested according to the DisplayPort and is shown;
Wherein, the DisplayPort signal output end has following pin: pin 1 is ML_Lane0 (p) pin, and pin 2 is GND pin, pin 3 are ML_Lane0 (n) pin, and pin 4 is ML_Lane1 (p) pin, and pin 5 is GND pin, and pin 6 is ML_Lane1 (n) pin, pin 7 are ML_Lane2 (p) pin, and pin 8 is GND pin, and pin 9 is ML_Lane2 (n) pin, Pin 10 is ML_Lane3 (p) pin, and pin 11 is GND pin, and pin 12 is ML_Lane3 (n) pin, and pin 13 is CONFIG1 pin, pin 14 are CONFIG2 pin, and pin 15 is AUX CH (p) pin, and pin 16 is GND pin, pin 17 For AUX CH (n) pin, pin 18 is Hot Plug Detect pin, and pin 19 is Return pin, and pin 20 is DP_PWR Pin;The number of the two-way switching switch is eight, each two-way switching switch include: fixing end, the first switch terminal and Second switch terminal;
ML_Lane0 (p) the pin electricity of the fixing end of first two-way switching switch and the 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 the 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 the 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 the 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 the 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 the 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 the 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 the 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;
Step 1, the first end of USB TYPE-C wire rod and the first USB TYPE-C socket end grafting, the of USB TYPE-C wire rod Two ends and the 2nd USB TYPE-C socket end grafting;
Step 2, DisplayPort signal input part receive DisplayPort and test signal;
Step 3, DisplayPort signal output end receive the DisplayPort and test signal;
Step 4 judges whether display is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering are second Switch connection between several preset pins of USB TYPE-C socket end.
CN201610013460.7A 2016-01-05 2016-01-05 The test method of intelligence test circuit for USB TYPE-C wire rod Active CN105510762B (en)

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CN105954644B (en) * 2016-06-30 2020-02-07 成绎半导体技术(上海)有限公司 Public first intellectual detection system of USBType-C interface and protection circuit
TW201814544A (en) * 2016-10-13 2018-04-16 智微科技股份有限公司 Test fixture and test system applicable to electronic device having Universal Serial Bus Type-C receptacle, and method for performing testing on electronic device with aid of test fixture
CN107543994A (en) * 2017-08-31 2018-01-05 华勤通讯技术有限公司 The test system of Type C interface

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