CN105510762A - Intelligent test circuit and test method for USB TYPE-C wire - Google Patents
Intelligent test circuit and test method for USB TYPE-C wire Download PDFInfo
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- CN105510762A CN105510762A CN201610013460.7A CN201610013460A CN105510762A CN 105510762 A CN105510762 A CN 105510762A CN 201610013460 A CN201610013460 A CN 201610013460A CN 105510762 A CN105510762 A CN 105510762A
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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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Abstract
The invention relates to an intelligent test circuit and a test method for a USB (Universal Serial Bus) TYPE-C wire. The test circuit comprises a DisplayPort signal input end, a first USB TYPE-C socket end which is electrically connected with the DisplayPort signal input end, a second USB TYPE-C socket end, a plurality of two-way switches which are electrically connected with the second USB TYPE-C socket end, a DisplayPort signal output end which is electrically connected with the two-way switches and is used for receiving a DisplayPort test signal, and a display which is electrically connected with the DisplayPort signal output end. The first end and the second end of the TYPE-C wire are respectively plugged at the first USB TYPE-C socket end and the second USB TYPE-C socket end; the electrical connection when the USB TYPE-C wire is plugged positively and negatively can be tested through simple operation by judging whether the DisplayPort test signal is displayed in default resolution or not in the display, and if not, a user triggers the two-way switches to switch among a plurality of preset pins at the second USB TYPE-C socket end.
Description
Technical field
The present invention relates to USBType-C wire rod technical field, particularly relate to a kind of intelligent test circuit for USBTYPE-C wire rod and method of testing thereof.
Background technology
USBType-C mainly contains three kinds of transfer functions, is usb data, power supply/charge, DisplayPort video respectively.Sum up in fact, USBType-C at least has the following advantages: 1, largest data transfer speed reaches 10Gbit/ second, is also the standard of USB3.1; 2, the size of USBType-C socket end is about 8.3mm × 2.5mm; 3, support, from tow sides all insertable " positive anti-plug " function, 10,000 times can be born and repeatedly plug.Based on above-mentioned advantage, in the near future, the communication interface of the electronics such as mobile phone, flat board, notebook, desktop computer all can the market demand of standard configuration USBType-C, USBType-C wire rod huge.
The plug of USBType-C wire rod has pin as shown in Figure 2; USBType-C socket end has pin as shown in Figure 3.
Whether electrical connection when will test first end and the second proper anti-plug of USBType-C wire rod before USBType-C wire rod dispatches from the factory is normal, traditional way need test four times: namely, first end carries out positive anti-plug test twice, positive and negative test twice is carried out again after exchanging the second end, cause that testing time is more, the used time is longer, be unfavorable for the batch production of USBType-C wire rod.
Summary of the invention
Based on this, be necessary for the problems referred to above, provide a kind of intelligent test circuit for USBTYPE-C wire rod and method of testing thereof, electrical connection when simple operations can complete anti-plug positive to USBType-C wire rod is tested.
For an intelligent test circuit for USBTYPE-C wire rod, comprising:
DisplayPort signal input part, for receiving DisplayPort test signal;
Be electrically connected a USBTYPE-C socket end of described DisplayPort signal input part, for the first end of grafting USBTYPE-C wire rod;
2nd USBTYPE-C socket end, for the second end of grafting USBTYPE-C wire rod;
Be electrically connected the some two-way change-over switch of described 2nd USBTYPE-C socket end, for responding the triggering of user, switch between several pins preset of described 2nd USBTYPE-C socket end and connecting;
Be electrically connected the DisplayPort signal output part of described two-way change-over switch, for receiving described DisplayPort test signal;
Being electrically connected the display of described DisplayPort signal output part, for receiving described DisplayPort test signal, and showing according to described DisplayPort test signal.
Wherein in an embodiment, described DisplayPort signal output part has pin listed by following form:
| 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 described two-way change-over switch is eight, and each described two-way change-over switch comprises: stiff end, the first switch terminal and the second switch terminal;
The stiff end of first two-way change-over switch is electrically connected with ML_Lane0 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B2 pin of USBType-C socket end;
The stiff end of second two-way change-over switch is electrically connected with ML_Lane0 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A3 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B3 pin of USBType-C socket end;
The stiff end of the 3rd two-way change-over switch is electrically connected with ML_Lane1 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end;
The stiff end of the 4th two-way change-over switch is electrically connected with ML_Lane1 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B11 pin of USBType-C socket end;
The stiff end of the 5th two-way change-over switch is electrically connected with ML_Lane2 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A2 pin of USBType-C socket end;
The stiff end of the 6th two-way change-over switch is electrically connected with ML_Lane2 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A3 pin of USBType-C socket end;
The stiff end of the 7th two-way change-over switch is electrically connected with ML_Lane3 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end;
The stiff end of the 8th two-way change-over switch is electrically connected with ML_Lane3 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A11 pin of USBType-C socket end.
For a method of testing for the intelligent test circuit of USBTYPE-C wire rod, comprising:
The first end of USBTYPE-C wire rod and a USBTYPE-C socket end grafting, the second end of USBTYPE-C wire rod and the 2nd USBTYPE-C socket end grafting;
DisplayPort signal input part receives DisplayPort test signal;
DisplayPort signal output part receives described DisplayPort test signal;
Judge whether display shows with default resolution, if not, user triggers some two-way change-over switches and switch connection between several pin preset of the 2nd USBTYPE-C socket end.
The above-mentioned intelligent test circuit for USBTYPE-C wire rod and method of testing thereof, the first end of TYPE-C wire rod and the second end are plugged on a USBTYPE-C socket end and the 2nd USBTYPE-C socket end respectively, by judging whether the DisplayPort test signal that DisplayPort signal input part receives shows with default resolution at display, if not, user triggers some two-way change-over switches and switch connection between several pin preset of the 2nd USBTYPE-C socket end, thus the electrical connection realized when simple operations can complete anti-plug positive to USBType-C wire rod is tested.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the intelligent test circuit for USBTYPE-C wire rod of invention one preferred embodiment;
Fig. 2 is the plug pinout table of USBType-C wire rod;
Fig. 3 is USBType-C socket end pinout table;
Fig. 4 be two-way change-over switch respectively with DisplayPort signal output part and USBType-C socket end connection diagram.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
As shown in Figure 1, the structured flowchart of the intelligent test circuit 30 for USBTYPE-C wire rod of a preferred embodiment of the present invention, comprising: the display 36 of the some two-way change-over switch 34 of DisplayPort signal input part 31, the USBTYPE-C socket end 32 being electrically connected DisplayPort signal input part 31, the 2nd USBTYPE-C socket end 33, electrical connection the 2nd USBTYPE-C socket end 33, the DisplayPort signal output part 35 being electrically connected two-way change-over switch 34 and electrical connection DisplayPort signal output part 35.
DisplayPort signal input part 31 is for receiving DisplayPort test signal.In actual applications, DisplayPort signal input part 31 connects the DisplayPort signal output port on computing machine, by operation computer export DisplayPort test signal.One USBTYPE-C socket end 32 is for the first end of grafting USBTYPE-C wire rod 40.2nd USBTYPE-C socket end 33 is for the second end of grafting USBTYPE-C wire rod 40.Some two-way change-over switches 34, for responding the triggering of user, switch and connect between several pins preset of the 2nd USBTYPE-C socket end 33.DisplayPort signal output part 35 is for receiving DisplayPort test signal.Display for receiving DisplayPort test signal, and shows according to DisplayPort test signal.
Consult USBType-C socket end pinout table shown in the plug pinout table of USBType-C wire rod as shown in Figure 2 and Fig. 3.
Specifically in the present embodiment, DisplayPort signal output part 35 has pin listed by following form:
| 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 |
Consult Fig. 4, the number of two-way change-over switch is eight, and each two-way change-over switch comprises: stiff end, the first switch terminal and the second switch terminal.
The stiff end of first two-way change-over switch is electrically connected with ML_Lane0 (p) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the A2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B2 pin of USBType-C socket end.
The stiff end of second two-way change-over switch is electrically connected with ML_Lane0 (n) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the A3 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B3 pin of USBType-C socket end.
The stiff end of the 3rd two-way change-over switch is electrically connected with ML_Lane1 (p) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end.
The stiff end of the 4th two-way change-over switch is electrically connected with ML_Lane1 (n) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the A11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B11 pin of USBType-C socket end.
The stiff end of the 5th two-way change-over switch is electrically connected with ML_Lane2 (p) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the B2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A2 pin of USBType-C socket end.
The stiff end of the 6th two-way change-over switch is electrically connected with ML_Lane2 (n) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A3 pin of USBType-C socket end.
The stiff end of the 7th two-way change-over switch is electrically connected with ML_Lane3 (p) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the B10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end.
The stiff end of the 8th two-way change-over switch is electrically connected with ML_Lane3 (n) pin of DisplayPort signal output part, its first switch terminal is electrically connected with the B11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A11 pin of USBType-C socket end.
The present invention also provides a kind of method of testing of the intelligent test circuit for USBTYPE-C wire rod, comprising:
The first end of step 1, USBTYPE-C wire rod 40 and USBTYPE-C socket end 32 grafting, the second end of USBTYPE-C wire rod 40 and the 2nd USBTYPE-C socket end 33 grafting.
Step 2, DisplayPort signal input part 31 receive DisplayPort test signal.
Step 3, DisplayPort signal output part receive DisplayPort test signal.
Step 4, judge whether display 36 shows with default resolution, if not, user triggers some two-way change-over switches 34 and switches between several pins preset of the 2nd USBTYPE-C socket end 33 and connect.
The above-mentioned intelligent test circuit for USBTYPE-C wire rod and method of testing thereof, the first end of TYPE-C wire rod 40 and the second end are plugged on a USBTYPE-C socket end 32 and the 2nd USBTYPE-C socket end 33 respectively, by judging whether the DisplayPort test signal that DisplayPort signal input part 31 receives shows with default resolution at display 36, if not, user triggers some two-way change-over switches 34 and switch connection between several pin preset of the 2nd USBTYPE-C socket end 33, thus the electrical connection realized when simple operations can complete anti-plug positive to USBType-C wire rod 40 is tested.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1., for an intelligent test circuit for USBTYPE-C wire rod, it is characterized in that, comprising:
DisplayPort signal input part, for receiving DisplayPort test signal;
Be electrically connected a USBTYPE-C socket end of described DisplayPort signal input part, for the first end of grafting USBTYPE-C wire rod;
2nd USBTYPE-C socket end, for the second end of grafting USBTYPE-C wire rod;
Be electrically connected the some two-way change-over switch of described 2nd USBTYPE-C socket end, for responding the triggering of user, switch between several pins preset of described 2nd USBTYPE-C socket end and connecting;
Be electrically connected the DisplayPort signal output part of described two-way change-over switch, for receiving described DisplayPort test signal;
Being electrically connected the display of described DisplayPort signal output part, for receiving described DisplayPort test signal, and showing according to described DisplayPort test signal.
2. the intelligent test circuit for USBTYPE-C wire rod according to claim 1, is characterized in that, described DisplayPort signal output part has pin listed by following form:
Wherein, the number of described two-way change-over switch is eight, and each described two-way change-over switch comprises: stiff end, the first switch terminal and the second switch terminal;
The stiff end of first two-way change-over switch is electrically connected with ML_Lane0 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B2 pin of USBType-C socket end;
The stiff end of second two-way change-over switch is electrically connected with ML_Lane0 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A3 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B3 pin of USBType-C socket end;
The stiff end of the 3rd two-way change-over switch is electrically connected with ML_Lane1 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end;
The stiff end of the 4th two-way change-over switch is electrically connected with ML_Lane1 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B11 pin of USBType-C socket end;
The stiff end of the 5th two-way change-over switch is electrically connected with ML_Lane2 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B2 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A2 pin of USBType-C socket end;
The stiff end of the 6th two-way change-over switch is electrically connected with ML_Lane2 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the A10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A3 pin of USBType-C socket end;
The stiff end of the 7th two-way change-over switch is electrically connected with ML_Lane3 (p) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B10 pin of USBType-C socket end, and its second switch terminal is electrically connected with the B10 pin of USBType-C socket end;
The stiff end of the 8th two-way change-over switch is electrically connected with ML_Lane3 (n) pin of described DisplayPort signal output part, its first switch terminal is electrically connected with the B11 pin of USBType-C socket end, and its second switch terminal is electrically connected with the A11 pin of USBType-C socket end.
3. the method for testing of the intelligent test circuit for USBTYPE-C wire rod according to claim 1, is characterized in that, comprising:
The first end of USBTYPE-C wire rod and a USBTYPE-C socket end grafting, the second end of USBTYPE-C wire rod and the 2nd USBTYPE-C socket end grafting;
DisplayPort signal input part receives DisplayPort test signal;
DisplayPort signal output part receives described DisplayPort test signal;
Judge whether display shows with default resolution, if not, user triggers some two-way change-over switches and switch connection between several pin preset of the 2nd USBTYPE-C socket end.
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| CN201610013460.7A CN105510762B (en) | 2016-01-05 | 2016-01-05 | The test method of intelligence test circuit for USB TYPE-C wire rod |
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| CN201610013460.7A CN105510762B (en) | 2016-01-05 | 2016-01-05 | The test method of intelligence test circuit for USB TYPE-C wire rod |
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| CN105954644A (en) * | 2016-06-30 | 2016-09-21 | 成绎半导体技术（上海）有限公司 | USB Type-C interface male head intelligent detection and protection circuit |
| 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 |
| CN107943624A (en) * | 2016-10-13 | 2018-04-20 | 智微科技股份有限公司 | Gauge and test system and the method tested by means of the gauge |
| CN108469583A (en) * | 2018-05-28 | 2018-08-31 | 格力电器（郑州）有限公司 | ICT tester |
| CN113820628A (en) * | 2020-06-19 | 2021-12-21 | 神讯电脑(昆山)有限公司 | type-C interface detection device that opens circuit |
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|---|---|
| CN105510762B (en) | 2019-03-01 |
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