CN114062902A - Multi-connector mainboard crimping test fixture - Google Patents
Multi-connector mainboard crimping test fixture Download PDFInfo
- Publication number
- CN114062902A CN114062902A CN202111549497.9A CN202111549497A CN114062902A CN 114062902 A CN114062902 A CN 114062902A CN 202111549497 A CN202111549497 A CN 202111549497A CN 114062902 A CN114062902 A CN 114062902A
- Authority
- CN
- China
- Prior art keywords
- crimping
- plate
- sliding seat
- mold core
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002788 crimping Methods 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000003825 pressing Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013522 software testing Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a multi-connector mainboard crimping test fixture which comprises an electric box, a horizontal sliding seat, a vertical sliding seat, a first driving mechanism, a second driving mechanism, a lower crimping component and an upper crimping component, wherein the electric box is arranged on the upper surface of the electric box; the first driving mechanism is arranged at the top of the electric box and drives the horizontal sliding seat to move back and forth horizontally; the vertical sliding seat can be movably arranged on the horizontal sliding seat up and down; this crimping subassembly is including the bottom plate down, product support plate and a plurality of test mold core, crimping subassembly and last crimping subassembly down set up through the cooperation, the crimping subassembly has a plurality of test mold cores down, and the cooperation sets up first actuating mechanism and second actuating mechanism, carry out the crimping test with a plurality of connectors to on the mainboard simultaneously, need not manual use connector and make-up one by one, effectively improved efficiency of software testing, and simultaneously, each test mold core all floats counterpoint the contact with the connector that corresponds, good stability, high reliability, and save artifically, bring the facility for the production operation.
Description
Technical Field
The invention relates to the technical field of test jigs, in particular to a multi-connector mainboard compression joint test jig.
Background
A main board, also called a main board (main board), a system board (system board), or a motherboard (mother board), is one of the most important components of a computer. The main board is generally a rectangular circuit board, on which the main circuit system forming the computer is installed, and generally includes elements such as a BIOS chip, an I/O control chip, a keyboard and a panel control switch interface, an indicator light plug-in, an expansion slot, a main board, and a direct current power supply plug-in of a plug-in card.
In the detection process of the industries such as panels, integrated circuits, semiconductors, batteries, new energy and the like, part of the detection processes needs to simultaneously press and connect a plurality of connectors on a mainboard, so that signal conduction test is carried out; in the prior art, most of the methods adopt a mode of manually using the connector buckling or pressing a single connector, the testing speed and efficiency are very low, and the labor is consumed. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a multi-connector motherboard crimping test fixture, which can be used for performing a crimping test on a plurality of connectors of a motherboard, thereby effectively improving test efficiency and stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-connector mainboard compression joint test fixture comprises an electric box, a horizontal sliding seat, a vertical sliding seat, a first driving mechanism, a second driving mechanism, a lower compression joint assembly and an upper compression joint assembly; the horizontal sliding seat can be movably arranged at the top of the electric box back and forth horizontally, the first driving mechanism is arranged at the top of the electric box and drives the horizontal sliding seat to move horizontally back and forth, and the first driving mechanism is electrically connected with the electric box; the vertical sliding seat can be movably arranged on the horizontal sliding seat up and down, the second driving mechanism is arranged on the horizontal sliding seat and drives the vertical sliding seat to move up and down, and the second driving mechanism is electrically connected with the electric box; the lower press-connection assembly comprises a bottom plate, a product carrier plate and a plurality of test mold cores, wherein the bottom plate is fixed at the top of the electric box, the product carrier plate is stacked on the bottom plate, a concave cavity for placing a main board is concavely arranged on the surface of the product carrier plate, a plurality of slotted holes are formed in the bottom surface of the concave cavity, the plurality of test mold cores are arranged on the bottom plate and respectively extend upwards into the corresponding slotted holes, each test mold core is connected with the electric box, and each test mold core is in floating alignment contact with the corresponding connector; should go up the crimping subassembly and set up on vertical slide and lie in the top of crimping subassembly down, go up crimping subassembly and crimping subassembly looks adaptation down.
Preferably, the electric box is provided with a top plate, the surface of the top plate is provided with a horizontal sliding rail, the horizontal sliding rail extends forwards and backwards, and the horizontal sliding seat is slidably mounted on the horizontal sliding rail and moves forwards and backwards along the horizontal sliding rail.
Preferably, the first driving mechanism is a cylinder.
Preferably, the horizontal sliding seat is provided with a vertical sliding rail, the vertical sliding rail extends up and down, and the vertical sliding seat is slidably mounted on the vertical sliding rail and moves up and down along the vertical sliding rail.
Preferably, the second driving mechanism is a cylinder.
Preferably, the product carrier plate is installed on the bottom plate in a vertically floating manner through the guide pillar, the elastic device, the guide sleeve and the equal-height screw, and the bottom plate is provided with a limiting pillar for limiting the product carrier plate.
Preferably, the product support plate is provided with a plurality of positioning columns for positioning the main plate, and the positioning columns are distributed at the edge of the concave cavity.
Preferably, the test mold core comprises a rear connector cover plate, a mold core fixing rear cover plate, a mold core fixing seat, a floating plate and a positioning piece, the mold core fixing rear cover plate is arranged above the rear connector cover plate, the mold core fixing seat is arranged on the mold core fixing rear cover plate, a mold core piece and a sheet probe are arranged on the mold core fixing seat, the sheet probe is electrically connected with the electronic box, the floating plate is arranged on the mold core fixing seat in a vertically floating manner through a guide pillar and a spring, and the positioning piece positions the floating plate.
Preferably, the upper crimping assembly comprises a crimping upper plate and a pressing plate, and the pressing plate is arranged below the crimping upper plate.
Preferably, the pressing plate is elastically and movably arranged below the pressing upper plate up and down through a guide post, a linear bearing and a plurality of elastic devices.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the lower crimping component and the upper crimping component are arranged in a matched manner, the lower crimping component is provided with a plurality of testing mold cores, and the first driving mechanism and the second driving mechanism are arranged in a matched manner, so that the crimping test can be simultaneously carried out on a plurality of connectors on the mainboard, the connectors are not required to be manually buckled one by one, the testing efficiency is effectively improved, meanwhile, each testing mold core is in floating contraposition contact with the corresponding connector, the stability is good, the reliability is high, the labor is saved, the convenience is brought to the production operation,
to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the electrical box in the preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the preferred embodiment of the present invention;
FIG. 4 is a partially exploded view of FIG. 3;
FIG. 5 is a schematic diagram of another internal structure of the preferred embodiment of the present invention;
FIG. 6 is a partially exploded view of FIG. 5;
fig. 7 is a partially exploded view of fig. 6.
The attached drawings indicate the following:
10. electric box 11, top plate
12. Horizontal slide rail 21, horizontal slide
22. Vertical slide 23, first actuating mechanism
24. Second driving mechanism 25 and vertical slide rail
30. Lower press-fit component 31, bottom plate
32. Product carrier plate 33 and test mold core
331. Rear connector cover plate 332 and mold core fixing rear cover plate
333. Mold core fixing seat 334 and floating plate
335. Positioning piece 336 and mold core piece
337. Chip probe 34 and guide post
35. Elastic device 36 and guide sleeve
37. Equal-height screw 38 and limiting column
39. Locating post 301, cavity
302. Slotted hole 40 and upper crimping component
41. Crimping upper plate 42, pressure strip
43. Guide post 44, linear bearing
45. Elastic device 50 and main board
Detailed Description
Referring to fig. 1 to 7, a specific structure of a preferred embodiment of the present invention is shown, which includes an electrical box 10, a horizontal slide 21, a vertical slide 22, a first driving mechanism 23, a second driving mechanism 24, a lower press-connecting assembly 30, and an upper press-connecting assembly 40.
The horizontal sliding base 21 can be horizontally arranged on the top of the electric box 10 back and forth in a reciprocating manner, the first driving mechanism 23 is arranged on the top of the electric box 10 and drives the horizontal sliding base 21 to horizontally move back and forth, and the first driving mechanism 23 is electrically connected with the electric box 10; the vertical sliding seat 22 is movably arranged on the horizontal sliding seat 21 up and down, the second driving mechanism 24 is arranged on the horizontal sliding seat 21 and drives the vertical sliding seat 22 to move up and down, and the second driving mechanism 24 is electrically connected with the electric box 10; in this embodiment, the electrical box 10 has a top plate 11, the surface of the top plate 11 is provided with horizontal sliding rails 12, the horizontal sliding rails 12 extend forward and backward, and the horizontal sliding base 21 is slidably mounted on the horizontal sliding rails 12 and moves back and forth along the horizontal sliding rails 12. The first driving mechanism 23 is a cylinder. The horizontal sliding base 21 is provided with a vertical sliding rail 25, the vertical sliding rail 25 extends up and down, and the vertical sliding base 22 is slidably mounted on the vertical sliding rail 25 and moves up and down along the vertical sliding rail 25. The second driving mechanism 24 is a cylinder.
The lower press-connection component 30 comprises a bottom plate 31, a product carrier plate 32 and a plurality of test mold cores 33, the bottom plate 31 is fixed on the top of the electric box 10, the product carrier plate 32 is stacked on the bottom plate 31, a concave cavity 301 for placing the main board 50 is concavely arranged on the surface of the product carrier plate 32, a plurality of slotted holes 302 are arranged on the bottom surface of the concave cavity 301, the plurality of test mold cores 33 are arranged on the bottom plate 31 and respectively extend upwards into the corresponding slotted holes 302, each test mold core 33 is connected with the electric box 10, and each test mold core 33 is in floating alignment contact with the corresponding connector; in this embodiment, the product carrier 32 is vertically floatably mounted on the bottom plate 31 through the guide post 34, the elastic device 35, the guide sleeve 36 and the contour screw 37, and the bottom plate 31 is provided with a limit post 38 for limiting the position of the product carrier 32. The product carrier plate 32 is provided with a plurality of positioning columns 39 for positioning the main plate 50, and the plurality of positioning columns 39 are distributed at the edge of the cavity 301. The test mold core 33 comprises a rear connector cover plate 331, a mold core fixing rear cover plate 332, a mold core fixing seat 333, a floating plate 334 and a positioning part 335, the mold core fixing rear cover plate 332 is arranged above the rear connector cover plate 331, the mold core fixing seat 333 is arranged on the mold core fixing rear cover plate 332, the mold core piece 336 and a sheet probe 337 are arranged on the mold core fixing seat 333, the sheet probe 337 is electrically connected with the electric box 10, the floating plate 334 is arranged on the mold core fixing seat 333 in a vertically floating manner through a guide post and a spring, and the positioning part 335 positions the floating plate 334.
The upper crimping assembly 40 is disposed on the vertical slide 22 above the lower crimping assembly 30, and the upper crimping assembly 40 is adapted to the lower crimping assembly 30. The upper crimping assembly 40 includes a crimping upper plate 41 and a pressing plate 42, and the pressing plate 42 is disposed below the crimping upper plate 41. The pressing plate 42 is elastically installed below the pressing upper plate 41 in a vertical direction by a guide post 43, a linear bearing 44, and a plurality of elastic devices 45.
Detailed description the working principle of the present embodiment is as follows:
firstly, the vertical sliding seat 22 is driven by the second driving mechanism 24 to move upwards, and the horizontal sliding seat 21 is driven by the first driving mechanism 23 to move horizontally backwards, so that the upper crimping component 40 moves to the rear upper part of the lower crimping component 30; then, the main board 50 to be tested is placed in the cavity 301 of the product carrier 32, and each connector on the main board 50 is aligned with each test mold core 33, then the first driving mechanism 23 drives the horizontal slide base 21 to move horizontally forward, and the second driving mechanism 24 drives the vertical slide base 22 to move downward, so that the upper crimping component 40 and the lower crimping component 30 are combined together and pressed against the main board 50, at this time, each connector on the main board 50 is respectively inserted into and conducted with each test mold core 33, so as to be connected into the test system of the electrical box 10, thereby realizing the test on the main board 50, after the test is completed, the second driving mechanism 24 drives the vertical slide base 22 to move upward, and the first driving mechanism 23 drives the horizontal slide base 21 to move horizontally backward, so that the upper crimping component 40 moves to the rear upper side of the lower crimping component 30, at this time, the main board 50 can be taken down.
The design key points of the invention are as follows: the lower crimping component and the upper crimping component are arranged in a matched manner, the lower crimping component is provided with a plurality of testing mold cores, and the first driving mechanism and the second driving mechanism are arranged in a matched manner, so that the crimping test can be simultaneously carried out on a plurality of connectors on the mainboard, the connectors are not required to be manually buckled one by one, the testing efficiency is effectively improved, meanwhile, each testing mold core is in floating contraposition contact with the corresponding connector, the stability is good, the reliability is high, the labor is saved, the convenience is brought to the production operation,
the technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a many connectors mainboard crimping test fixture which characterized in that: the device comprises an electric box, a horizontal sliding seat, a vertical sliding seat, a first driving mechanism, a second driving mechanism, a lower crimping component and an upper crimping component; the horizontal sliding seat can be movably arranged at the top of the electric box back and forth horizontally, the first driving mechanism is arranged at the top of the electric box and drives the horizontal sliding seat to move horizontally back and forth, and the first driving mechanism is electrically connected with the electric box; the vertical sliding seat can be movably arranged on the horizontal sliding seat up and down, the second driving mechanism is arranged on the horizontal sliding seat and drives the vertical sliding seat to move up and down, and the second driving mechanism is electrically connected with the electric box; the lower press-connection assembly comprises a bottom plate, a product carrier plate and a plurality of test mold cores, wherein the bottom plate is fixed at the top of the electric box, the product carrier plate is stacked on the bottom plate, a concave cavity for placing a main board is concavely arranged on the surface of the product carrier plate, a plurality of slotted holes are formed in the bottom surface of the concave cavity, the plurality of test mold cores are arranged on the bottom plate and respectively extend upwards into the corresponding slotted holes, each test mold core is connected with the electric box, and each test mold core is in floating alignment contact with the corresponding connector; should go up the crimping subassembly and set up on vertical slide and lie in the top of crimping subassembly down, go up crimping subassembly and crimping subassembly looks adaptation down.
2. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the electronic box is provided with a top plate, a horizontal sliding rail is arranged on the surface of the top plate and extends forwards and backwards, and the horizontal sliding seat is slidably mounted on the horizontal sliding rail and moves back and forth along the horizontal sliding rail.
3. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the first driving mechanism is a cylinder.
4. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the horizontal sliding seat is provided with a vertical sliding rail, the vertical sliding rail extends up and down, and the vertical sliding seat is slidably mounted on the vertical sliding rail and moves up and down along the vertical sliding rail.
5. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the second driving mechanism is a cylinder.
6. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the product support plate is arranged on the bottom plate in a vertically floating mode through the guide pillar, the elastic device, the guide sleeve and the equal-height screws, and the bottom plate is provided with the limiting pillar used for limiting the product support plate.
7. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the product support plate is provided with a plurality of positioning columns for positioning the main plate, and the positioning columns are distributed on the edge of the concave cavity.
8. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the test mold core comprises a rear connector cover plate, a mold core fixing rear cover plate, a mold core fixing seat, a floating plate and a positioning piece, wherein the mold core fixing rear cover plate is arranged above the rear connector cover plate, the mold core fixing seat is arranged on the mold core fixing rear cover plate, a mold core piece and a sheet probe are arranged on the mold core fixing seat, the sheet probe is electrically connected with an electronic box, the floating plate is arranged on the mold core fixing seat in a vertically floating mode through a guide pillar and a spring, and the positioning piece is used for positioning the floating plate.
9. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the upper crimping component comprises a crimping upper plate and a pressing plate, and the pressing plate is arranged below the crimping upper plate.
10. The multi-connector mainboard crimping test fixture of claim 1, characterized in that: the pressure strip can be elastically and movably arranged up and down below the pressure-connection upper plate through a guide pillar, a linear bearing and a plurality of elastic devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111549497.9A CN114062902A (en) | 2021-12-17 | 2021-12-17 | Multi-connector mainboard crimping test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111549497.9A CN114062902A (en) | 2021-12-17 | 2021-12-17 | Multi-connector mainboard crimping test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114062902A true CN114062902A (en) | 2022-02-18 |
Family
ID=80229747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111549497.9A Pending CN114062902A (en) | 2021-12-17 | 2021-12-17 | Multi-connector mainboard crimping test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114062902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420989A (en) * | 2022-11-07 | 2022-12-02 | 深圳市西点精工技术有限公司 | High-speed backplane connector preparation testing device and testing method |
| CN116735933A (en) * | 2023-06-21 | 2023-09-12 | 杭州德创电子股份有限公司 | Crimping device and communication device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205484864U (en) * | 2016-01-27 | 2016-08-17 | 苏州韬盛电子科技有限公司 | Test socket suitable for ground magnetic sensor chip |
| CN109490680A (en) * | 2019-01-02 | 2019-03-19 | 珠海市运泰利自动化设备有限公司 | A kind of mechanism for testing of PCBA Male head connector |
| CN212749146U (en) * | 2020-05-26 | 2021-03-19 | 欧拓飞科技(珠海)有限公司 | Integrated performance testing device |
| CN214201560U (en) * | 2021-08-19 | 2021-09-14 | 武汉精毅通电子技术有限公司 | Crimping tool and crimping testing arrangement |
| CN113625020A (en) * | 2021-08-04 | 2021-11-09 | 徐梓杨 | Integrated circuit chip testing method and equipment |
| CN217156722U (en) * | 2021-12-17 | 2022-08-09 | 湖南志浩航精密科技有限公司 | Multi-connector mainboard crimping test fixture |
-
2021
- 2021-12-17 CN CN202111549497.9A patent/CN114062902A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205484864U (en) * | 2016-01-27 | 2016-08-17 | 苏州韬盛电子科技有限公司 | Test socket suitable for ground magnetic sensor chip |
| CN109490680A (en) * | 2019-01-02 | 2019-03-19 | 珠海市运泰利自动化设备有限公司 | A kind of mechanism for testing of PCBA Male head connector |
| CN212749146U (en) * | 2020-05-26 | 2021-03-19 | 欧拓飞科技(珠海)有限公司 | Integrated performance testing device |
| CN113625020A (en) * | 2021-08-04 | 2021-11-09 | 徐梓杨 | Integrated circuit chip testing method and equipment |
| CN214201560U (en) * | 2021-08-19 | 2021-09-14 | 武汉精毅通电子技术有限公司 | Crimping tool and crimping testing arrangement |
| CN217156722U (en) * | 2021-12-17 | 2022-08-09 | 湖南志浩航精密科技有限公司 | Multi-connector mainboard crimping test fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420989A (en) * | 2022-11-07 | 2022-12-02 | 深圳市西点精工技术有限公司 | High-speed backplane connector preparation testing device and testing method |
| CN116735933A (en) * | 2023-06-21 | 2023-09-12 | 杭州德创电子股份有限公司 | Crimping device and communication device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114062902A (en) | Multi-connector mainboard crimping test fixture | |
| CN108318832B (en) | Automatic power supply assembly comprehensive testing machine | |
| CN217156722U (en) | Multi-connector mainboard crimping test fixture | |
| CN214201560U (en) | Crimping tool and crimping testing arrangement | |
| CN218866042U (en) | Product positioning structure and test equipment | |
| CN216816869U (en) | Test fixture for detecting PCB and display function thereof | |
| CN215678715U (en) | Three-dimensional radio frequency testing mechanism | |
| CN212749146U (en) | Integrated performance testing device | |
| CN205427081U (en) | VCXO crystal electrical performance test mechanism | |
| CN217981735U (en) | PCB power consumption test tool | |
| CN216526160U (en) | Simple PCB detection jig with wide detection range | |
| CN215678642U (en) | Mainboard function testing device | |
| CN213023232U (en) | Finished product electrical property test jig | |
| CN213816027U (en) | Plug-in wiring terminal | |
| CN213457234U (en) | Testing mechanism of circuit board testing jig | |
| CN201252196Y (en) | Electric connector | |
| CN209911419U (en) | Carrier test tool | |
| CN216117886U (en) | Mainboard testing device | |
| CN215263862U (en) | Movable pneumatic testing device | |
| CN219758433U (en) | Test fixture of battery protection board | |
| CN220305457U (en) | Production inspection device of finished printed circuit board | |
| CN210894649U (en) | Automatic TYPE C module detection equipment | |
| CN217181124U (en) | Jig for testing circuit board | |
| CN217359986U (en) | A movable support plate extension device for PCBA check out test set | |
| CN212207583U (en) | Keyboard circuit board performance detection tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |