CN112034209A - USB interface antistatic test fixture - Google Patents
USB interface antistatic test fixture Download PDFInfo
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- CN112034209A CN112034209A CN201910400626.4A CN201910400626A CN112034209A CN 112034209 A CN112034209 A CN 112034209A CN 201910400626 A CN201910400626 A CN 201910400626A CN 112034209 A CN112034209 A CN 112034209A
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- wire
- usb interface
- pin
- antistatic
- test fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The antistatic test fixture of the USB interface of the invention cooperates with the USB interface of the antistatic tester test machine, the test fixture includes: the testing male head is inserted into a USB interface of the machine table and is provided with a pin corresponding to the USB interface; and the jig plate is attached with a wire, one end of the wire is electrically connected with the pin of the testing male head, the other end of the wire is welded on the jig plate to form a welding spot, and the high-voltage gun voltage of the anti-static tester strikes the welding spot. According to the antistatic test fixture for the USB interface, the test male head and the fixture plate are arranged, the wire is attached to the fixture plate, and the welding spot formed by the wire on the fixture plate is struck by the high-voltage gun voltage of the antistatic tester, so that the antistatic test fixture is safe, efficient, high in universality and suitable for testing of USB2.0 or USB 3.0.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of USB interface testing, in particular to an antistatic testing jig for a USB interface.
[ background of the invention ]
For the USB interface of the machine, especially the USB3.0 interface is the most common data/voltage interface of the current machine, and not only has high requirements on the strength, such as the load test in each direction, the direction insertion test at the level of 10Kg, the blind insertion test, the life test over 6000 times, etc. of the USB interface of the machine to be tested; the testing requirements on the anti-static/high voltage aspect of the equipment system are becoming more and more strict, so as to prevent the equipment from being damaged due to the complex and severe environment and strong ripple interference used by the customer equipment.
When the antistatic (ESD) test is carried out on the USB interface of the machine station, the positive voltage and the negative voltage of each pin of the USB interface are required to be tested for 10 times by 3KV, the total high-voltage test times of all the pins are 160 times, the cycle time is long, the antistatic/high-voltage danger coefficient is higher, and the machine station is easy to be unsafe under long-time test.
In view of the above, it is necessary to develop an antistatic testing fixture for USB interface to solve the above problems.
[ summary of the invention ]
Therefore, the invention aims to provide the antistatic testing jig for the USB interface, which is safe and efficient and has strong universality.
In order to achieve the above object, the anti-static testing jig for USB interface of the present invention is used in conjunction with an anti-static tester to test a USB interface of a machine platform, and comprises:
the testing male head is inserted into a USB interface of the machine table and is provided with a pin corresponding to the USB interface;
and the jig plate is attached with a wire, one end of the wire is electrically connected with the pin of the testing male head, the other end of the wire is welded on the jig plate to form a welding spot, and the high-voltage gun voltage of the anti-static tester strikes the welding spot.
Optionally, the tooling plate is a printed circuit board.
Optionally, the test male connector has nine pins corresponding to the USB interface, where a seventh pin is an internal system signal ground pin and does not correspond to an actual wire, and the number of the wires is eight.
Optionally, one end of the wire electrically connected with the pin may be concentrated in the insulating sheath, and the other end of the wire is exposed from the insulating sheath.
Optionally, one end of the wire exposed from the insulating sheath is attached to the jig plate through an adhesive tape.
Optionally, the high pressure gun sequentially strikes the wire solder joint corresponding to the first pin to the wire solder joint corresponding to the ninth pin.
Compared with the prior art, the antistatic test fixture for the USB interface is safe, efficient, strong in universality and suitable for testing of USB2.0 or USB3.0, the wire is attached to the fixture plate, and the welding spots formed on the wire on the fixture plate are accurately hit by the high-voltage gun voltage of the antistatic tester.
[ description of the drawings ]
Fig. 1 is a schematic view illustrating an anti-static testing fixture for a USB interface according to the present invention.
Fig. 2 is a schematic diagram illustrating the use of the anti-static testing fixture for USB interface according to the present invention.
[ detailed description ] embodiments
For a further understanding of the objects, technical effects and technical means of the present invention, reference will now be made in detail to the following description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view showing an anti-static testing fixture for USB interfaces according to the present invention. In this embodiment, the anti-static testing fixture for USB interface of the present invention is used in conjunction with a USB interface of a testing machine of an anti-static tester, wherein the machine 10 is an electronic product such as a notebook computer, a tablet computer, etc., the USB interface is USB2.0 or USB3.0, the anti-static tester has a high voltage gun, and the testing fixture includes:
a male test head 100 inserted into a USB interface of the machine 10, the male test head 100 having a pin corresponding to the USB interface;
the jig plate 200 is attached with a wire 101, one end of the wire 101 is electrically connected with the pin of the test male 100, the other end of the wire 101 is welded on the jig plate 200 to form a welding spot 201, and the welding spot 201 is hit by the high-voltage gun voltage of the anti-static tester.
The tooling plate 200 is a printed circuit board, and loads the wires 101 corresponding to the pins.
The male test head 100 has nine pins corresponding to the USB interface, and the seventh pin is an internal system signal ground pin and does not correspond to an actual wire, so the number of the wires 101 is eight.
For convenience of arrangement, one end of the wire 101 electrically connected with the pin may be concentrated in the insulating sheath, and the other end of the wire is exposed from the insulating sheath, so that the other end of each wire is respectively soldered on the jig board 200 to form the solder point 201.
One end of the wire 101 exposed from the insulating sheath is attached to the jig plate 200 through an adhesive tape, so that the wire 101 is prevented from moving.
The high-pressure gun sequentially strikes welding spots 201 of the wires 101 corresponding to the first pin to welding spots 201 of the wires 101 corresponding to the ninth pin, so that test missing or repeated tests are prevented, and the test efficiency is improved.
Fig. 2 is a schematic diagram illustrating the use of the anti-static testing fixture for USB interface according to the present invention. The machine 10 is a tablet computer, and during testing, the machine 10 is powered on and a power supply is inserted to ensure that the machine 10 is in a powered-on state.
The testing steps are as follows: inserting the male testing head 100 of the testing fixture into the USB interface of the machine 10; starting the antistatic tester, and adjusting antistatic test parameters, for example, setting the voltage to be positive and negative 3KV, and testing the positive and negative high voltage 3KV of each pin for 10 times, namely testing the other pins except the seventh pin for 160 times; the high pressure gun of the antistatic tester sequentially strikes the wire 101 solder joint 201 corresponding to the first pin to the wire 101 solder joint 201 corresponding to the ninth pin, thereby testing the pins.
Compared with the prior art, the antistatic test fixture for the USB interface is provided with the test male head 100 and the fixture plate 200, the wire 101 is attached to the fixture plate 200, the welding spot 201 formed on the fixture plate 200 by the wire 101 is hit by the high-voltage gun voltage of the antistatic tester, the welding spot 201 can be accurately hit by the high-voltage gun, and the antistatic test fixture is safe, efficient, strong in universality and suitable for testing of USB2.0 or USB 3.0.
It should be noted that the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by those skilled in the art based on the technical solution of the present invention fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a USB interface antistatic test fixture, the USB interface of static tester test board is prevented in the cooperation, its characterized in that, test fixture includes:
the testing male head is inserted into a USB interface of the machine table and is provided with a pin corresponding to the USB interface;
and the jig plate is attached with a wire, one end of the wire is electrically connected with the pin of the testing male head, the other end of the wire is welded on the jig plate to form a welding spot, and the high-voltage gun voltage of the anti-static tester strikes the welding spot.
2. The antistatic test fixture of claim 1, wherein the tool board is a printed circuit board.
3. The antistatic testing fixture of claim 1, wherein the testing male connector has nine pins corresponding to the USB interface, wherein the seventh pin is an internal system signal ground pin and has no actual wires corresponding thereto, and the number of the wires is eight.
4. The antistatic test fixture of claim 1, wherein one end of the wire electrically connected to the pin is concentrated in the insulating sheath, and the other end of the wire is exposed out of the insulating sheath.
5. The antistatic test fixture of claim 4, wherein the end of the wire exposed from the insulating sheath is attached to the fixture plate by an adhesive tape.
6. The antistatic test fixture of claim 1, wherein the high pressure gun sequentially strikes the wire solder joint corresponding to the first pin to the wire solder joint corresponding to the ninth pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400626.4A CN112034209A (en) | 2019-05-15 | 2019-05-15 | USB interface antistatic test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910400626.4A CN112034209A (en) | 2019-05-15 | 2019-05-15 | USB interface antistatic test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112034209A true CN112034209A (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910400626.4A Pending CN112034209A (en) | 2019-05-15 | 2019-05-15 | USB interface antistatic test fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN112034209A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982990Y (en) * | 2006-12-15 | 2007-11-28 | 鸿富锦精密工业（深圳）有限公司 | USB testing device |
| CN105652088A (en) * | 2014-11-14 | 2016-06-08 | 神讯电脑(昆山)有限公司 | External interface contact impedance test apparatus |
| CN206863149U (en) * | 2017-06-12 | 2018-01-09 | 深圳市斯纳达科技有限公司 | Electronic product test device and its test adaptor plate |
-
2019
- 2019-05-15 CN CN201910400626.4A patent/CN112034209A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982990Y (en) * | 2006-12-15 | 2007-11-28 | 鸿富锦精密工业（深圳）有限公司 | USB testing device |
| CN105652088A (en) * | 2014-11-14 | 2016-06-08 | 神讯电脑(昆山)有限公司 | External interface contact impedance test apparatus |
| CN206863149U (en) * | 2017-06-12 | 2018-01-09 | 深圳市斯纳达科技有限公司 | Electronic product test device and its test adaptor plate |
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