CN111624468A - Automatic plug testing arrangement of square-mouth USB interface - Google Patents
Automatic plug testing arrangement of square-mouth USB interface Download PDFInfo
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- CN111624468A CN111624468A CN202010515108.XA CN202010515108A CN111624468A CN 111624468 A CN111624468 A CN 111624468A CN 202010515108 A CN202010515108 A CN 202010515108A CN 111624468 A CN111624468 A CN 111624468A
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 167
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 238000011990 functional testing Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
-
- 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
-
- 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]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2815—Functional tests, e.g. boundary scans, using the normal I/O contacts
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- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses an automatic plugging and unplugging testing device for a square-mouth USB interface, which relates to the technical field of square-mouth USB testing and comprises a support plate for placing a PCB, a pressing mechanism for pressing the PCB to be fixed and a USB plugging and unplugging mechanism for controlling a testing module to plug and unplug the square-mouth USB interface, wherein the pressing mechanism is arranged on one side of the support plate, the plugging and unplugging mechanism is arranged on the other side of the support plate, and the USB plugging and unplugging mechanism and the pressing mechanism are positioned on the adjacent side edges of the support plate. The automatic plugging and unplugging testing device for the square-port USB interface provided by the invention realizes the automation of the FCT test of the square-port USB interface and the flexible flat cable interface of the PCB, and greatly improves the FCT test efficiency of the PCB.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) testing, in particular to an automatic plugging and unplugging testing device for a square-mouth USB interface.
Background
A Printed Circuit Board (PCB), which is referred to as a printed circuit board for short, is one of important components in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole product are facilitated. At present, printed wiring boards have been used very widely in the manufacture of electronic products.
FCT (functional Test) refers to a Test method in which a simulated operating environment (excitation and load) is provided for a Test target board (UUT: Unit Under Test) to operate in various design states, and parameters of each state are acquired to verify the performance of the UUT. Simply put, the UUT is loaded with the appropriate stimulus and the output response is measured for compliance.
The FCT test of soft arranging wire socket and square USB interface on the current PCB board generally adopts the manual work to plug, and work efficiency is low, can't satisfy the FCT test demand of extensive PCB board.
Disclosure of Invention
In order to solve the technical problem, the invention provides the automatic plugging and unplugging testing device for the square-mouth USB interface, so that the shearing efficiency of the wire slot is improved, and the labor intensity of workers is reduced.
The technical scheme adopted by the invention is as follows:
the invention provides an automatic plugging and unplugging testing device for a square-mouth USB interface, which comprises a support plate for placing a PCB, a pressing mechanism for pressing the PCB to be fixed and a USB plugging and unplugging mechanism for controlling a testing module to plug and unplug the square-mouth USB interface, wherein the pressing mechanism is arranged on one side of the support plate, the plugging and unplugging mechanism is arranged on the other side of the support plate, and the USB plugging and unplugging mechanism and the pressing mechanism are positioned on the adjacent side edges of the support plate.
A further scheme of the above scheme is that the pressing mechanism includes a pressing plate acting on the PCB, a first driving mechanism driving the pressing plate to reciprocate, and a fixing mechanism fixing the first driving mechanism, the pressing plate is disposed above the carrier plate and can reciprocate in a vertical direction, the pressing plate is fixedly connected with the first driving mechanism, and the first driving mechanism is fixedly connected with the fixing mechanism; the USB plug mechanism comprises a testing module for testing square-mouth USB, a rotating plate for fixing the testing module and a fourth driving mechanism for driving the rotating plate to rotate and reciprocate along the horizontal direction, the testing module is fixedly arranged at the end part of the rotating plate, and the fourth driving mechanism is fixedly connected with the rotating plate.
The further scheme of the scheme is that the test device also comprises a flat cable socket test device, wherein the flat cable socket test device comprises a flat cable plugging and unplugging mechanism for controlling the flat cable to plug and unplug the PCB flat cable interface and an opening and closing mechanism for opening and closing the PCB flat cable interface; the opening and closing mechanism and the pressing mechanism are positioned on two sides of the carrier plate, and the flexible flat cable plugging and unplugging mechanism is positioned between the carrier plate and the opening and closing mechanism; the pressing mechanism further comprises a first sliding mechanism which moves the pressing mechanism away from the support plate, and the first sliding mechanism is fixedly connected with the fixing mechanism.
A further scheme of the above scheme is that the opening and closing mechanism includes a hook plate for opening the PCB flexible flat cable socket, a second driving mechanism for driving the hook plate to reciprocate, a flat plate for closing the PCB flexible flat cable socket, a third driving mechanism for driving the flat plate to reciprocate and a fixing plate for fixing the opening and closing mechanism, the hook plate is fixedly connected with the second driving mechanism, the flat plate is fixedly connected with the third driving mechanism, and the second driving mechanism is fixedly connected with the third driving mechanism and the fixing plate.
In a further aspect of the above solution, the opening and closing mechanism further includes a second sliding mechanism for moving the opening and closing mechanism away from the carrier plate, and the second sliding mechanism is fixedly connected to the fixing plate.
According to a further scheme of the scheme, the device further comprises a main body support, and the support plate, the pressing mechanism, the plugging mechanism and the opening and closing mechanism are fixedly arranged on the main body support.
According to a further scheme of the scheme, the main body support is a control box for controlling the square-mouth USB interface to automatically plug and pull the test device to operate.
Compared with the prior art, the technical scheme provided by the invention has the following advantages and beneficial effects: the invention provides an automatic plugging and unplugging testing device for a square-mouth USB interface, which comprises a support plate for placing a PCB, a pressing mechanism for pressing the PCB to be fixed and a USB plugging and unplugging mechanism for controlling a testing module to plug and unplug the square-mouth USB interface, wherein the pressing mechanism is arranged on one side of the support plate, the plugging and unplugging mechanism is arranged on the other side of the support plate, and the USB plugging and unplugging mechanism and the pressing mechanism are positioned on the adjacent side edges of the support plate. The automatic plugging and unplugging testing device for the square-port USB interface provided by the invention realizes the automation of the FCT test of the PCB flexible flat cable interface and the square-port USB interface, and greatly improves the FCT test efficiency of the PCB.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic front view of an embodiment of an automatic plugging/unplugging test apparatus for a square-mouth USB interface;
FIG. 2 is a schematic perspective view of an embodiment of an automatic plugging/unplugging testing apparatus for a square-mouth USB interface;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic perspective view of another state of the apparatus for automatically plugging and unplugging a USB interface of an embodiment;
fig. 5 is a partial enlarged view of a portion B in fig. 4.
The attached drawings are marked as follows: 1-a carrier plate; 2-a plug-pull mechanism; 21-pressing plate; 22-a first drive mechanism; 23-a securing mechanism; 24-a first sliding mechanism; 3-an opening and closing mechanism; 31-hook plate; 32-a second drive mechanism; 33-plate; 34-a third drive mechanism; 35-a fixed plate; 36-a second sliding mechanism; 4-a main body support; 5-USB plug-pull mechanism; 51-a test module; 52-rotating the plate; 53-fourth drive mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1-5, the invention provides an automatic plugging and unplugging testing device for a square USB interface, which includes a carrier plate 1 for placing a PCB, a pressing mechanism for pressing the PCB to be fixed, a flexible flat cable plugging and unplugging mechanism 2 for controlling a flexible flat cable to plug and unplugging the PCB flexible flat cable interface, a USB plugging and unplugging mechanism 5 for controlling a USB testing module to plug and unplug the square USB interface, and an opening and closing mechanism 3 for performing an opening and closing operation on the PCB flexible flat cable interface, wherein the pressing mechanism is disposed on the left side of the carrier plate 1, the flexible flat cable plugging and unplugging mechanism 2 and the opening and closing mechanism 3 are disposed on the right side of the carrier plate 1 away from the pressing mechanism, the flexible flat cable plugging and unplugging mechanism 2 is disposed between the opening and closing mechanism 3 and the carrier plate 1, and.
In one embodiment, the pressing mechanism includes a pressing plate 21 acting on the PCB, a first driving mechanism 22 driving the pressing plate 21 to reciprocate, and a fixing mechanism 23 fixing the driving mechanism, the pressing plate 21 is disposed directly above the carrier plate 1 and can reciprocate along the vertical direction, the pressing plate 21 and the first driving mechanism 22 are fixedly connected through bolts, and the first driving mechanism 22 and the fixing mechanism 23 are fixedly connected through bolts. The USB plug-pull mechanism 5 comprises a testing module 51 for testing square-mouth USB, a rotating plate 52 for fixing the testing module and a fourth driving mechanism 53 for driving the rotating plate to rotate and move back and forth along the horizontal direction, the testing module 51 is fixedly arranged at the lower end part of the rotating plate 52, and the fourth driving mechanism 53 is fixedly connected with the rotating plate 52 through screws.
In one embodiment, the pressing mechanism further comprises a first sliding mechanism 24 for moving the pressing mechanism away from the carrier plate 1, and the first sliding mechanism 24 is fixedly connected with the fixing mechanism 23 through bolts. The first sliding mechanism 24 is arranged, so that the pressing mechanism is conveniently transferred to a position away from the support plate 1, and the support plate 1 is conveniently inspected and maintained.
In one embodiment, the opening and closing mechanism 3 includes a hook plate 31 for opening the PCB flexible flat cable socket, a second driving mechanism 32 for driving the hook plate 31 to reciprocate, a flat plate 33 for closing the PCB flexible flat cable socket, a third driving mechanism 34 for driving the flat plate 33 to reciprocate, and a fixing plate 35 for fixing the opening and closing mechanism 3, the hook plate 31 is fixedly connected with the second driving mechanism 32 through bolts, the flat plate 33 is fixedly connected with the third driving mechanism 34 through bolts, and the second driving mechanism 32 and the third driving mechanism 34 are fixedly connected with the fixing plate 35 through bolts.
In one embodiment, the opening and closing mechanism 3 further comprises a second sliding mechanism 36 for moving the opening and closing mechanism 3 away from the carrier plate 1, and the second sliding mechanism 36 is fixedly connected with the fixing plate 35 through bolts. The second sliding mechanism 36 is arranged to facilitate the switching mechanism 3 to be shifted to a position away from the carrier plate 1, thereby facilitating the maintenance operation of the carrier plate 1.
In one embodiment, the flexible flat cable connector further comprises a main body support 4, and the carrier plate 1, the pressing mechanism, the flexible flat cable plugging mechanism 2 and the opening and closing mechanism 3 are all fixedly mounted on the main body support 4.
In one embodiment, the main body support 4 is a control box for controlling the square-mouth USB interface to automatically plug and unplug the testing device. One side of the control box is used as the main body support 4, so that the overall size of the device is greatly saved, and the transportation of the whole device is facilitated.
The working principle of the automatic plugging and unplugging testing device for the square-mouth USB interface is as follows:
when in detection:
1. fixing the PCB, placing the PCB to be detected on the carrier plate 1 by a manual or mechanical arm, moving the pressing mechanism to the right side close to the carrier plate 1 by the first sliding mechanism 24, and driving the pressing plate 21 to move downwards along the vertical direction by the first driving mechanism 22 until the pressing mechanism is abutted against the PCB so as to fix the PCB;
2. the square USB interface is connected, the fourth driving mechanism 53 drives the rotating plate to move towards the direction of the carrier plate, and the test module 51 is connected with the square USB interface;
3. the flexible flat cable interface is connected, the second sliding mechanism 36 moves the opening and closing mechanism 3 to the left side close to the carrier plate 1, the second driving mechanism 32 drives the hook plate 31 to move towards the direction close to the PCB so as to open the flexible flat cable interface of the PCB, the plugging mechanism acts to insert the flexible flat cable into the flexible flat cable interface of the PCB, and the third driving mechanism 34 drives the flat plate 33 to move towards the direction of the PCB so as to close the flexible flat cable interface of the PCB, so that the flexible flat cable is fixedly connected with the flexible flat cable interface of the PCB;
4. FTC tests, electrifying the PCB, and realizing FCT tests of the PCB soft flat cable structure and the square USB port.
After detection:
after FTC test is finished, the PCB is powered off,
the square-mouth USB interface is disconnected, the fourth driving mechanism 53 pulls the rotating plate 52 to move towards the direction of the principle carrier plate, and the rotating plate 52 drives the testing module 51 to recover the original position, so that the testing module 51 is disconnected from the square-mouth USB interface;
the flexible flat cable interface is disconnected, the second driving mechanism 32 drives the hook plate 31 to act, the flexible flat cable interface of the PCB is opened, and the second driving mechanism 32 drives the hook plate 31 to retract to the original position; the flexible flat cable plugging mechanism 2 is used for plugging the flexible flat cable out of the flexible flat cable interface of the PCB; the third driving mechanism 34 drives the flat plate 33 to act, the flexible flat cable interface of the PCB is closed, and the third driving mechanism 34 drives the flat plate 33 to retract to the original position;
the fixing of the PCB is released, the first driving mechanism 22 drives the pressing plate 21 to retract to the original position, and the fixing of the PCB is released;
and taking out the PCB, and taking back the detected PCB by a manual or mechanical arm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides an automatic plug testing arrangement of square-mouth USB interface, its characterized in that, is including the support plate of placing the PCB board, press the PCB board immovable press the mechanism and control the USB plug mechanism of test module plug square-mouth USB interface, press the mechanism set up in one side of support plate, plug mechanism set up in the opposite side of support plate, USB plug mechanism with press the mechanism and be located the adjacent side of support plate.
2. The automatic plug-in test device for the square-mouth USB interface according to claim 1, wherein the pressing mechanism comprises a pressing plate acting on the PCB, a first driving mechanism driving the pressing plate to reciprocate and a fixing mechanism fixing the first driving mechanism, the pressing plate is arranged above the carrier plate and can reciprocate along a vertical direction, the pressing plate is fixedly connected with the first driving mechanism, and the first driving mechanism is fixedly connected with the fixing mechanism; the USB plug mechanism comprises a testing module for testing square-mouth USB, a rotating plate for fixing the testing module and a fourth driving mechanism for driving the rotating plate to rotate and reciprocate along the horizontal direction, the testing module is fixedly arranged at the end part of the rotating plate, and the fourth driving mechanism is fixedly connected with the rotating plate.
3. The automatic plugging and unplugging testing device for the square-mouth USB interface according to claim 2, further comprising a flat cable socket testing device, wherein the flat cable socket testing device comprises a flat cable plugging and unplugging mechanism for controlling a flat cable to plug and unplug the PCB flat cable interface and an opening and closing mechanism for opening and closing the PCB flat cable interface; the opening and closing mechanism and the pressing mechanism are positioned on two sides of the carrier plate, and the flexible flat cable plugging and unplugging mechanism is positioned between the carrier plate and the opening and closing mechanism; the pressing mechanism further comprises a first sliding mechanism which moves the pressing mechanism away from the support plate, and the first sliding mechanism is fixedly connected with the fixing mechanism.
4. The automatic plug testing device for the square-mouth USB interface according to claim 3, wherein the opening and closing mechanism comprises a hook plate for opening the PCB flexible flat cable socket, a second driving mechanism for driving the hook plate to reciprocate, a flat plate for closing the PCB flexible flat cable socket, a third driving mechanism for driving the flat plate to reciprocate and a fixing plate for fixing the opening and closing mechanism, the hook plate is fixedly connected with the second driving mechanism, the flat plate is fixedly connected with the third driving mechanism, and the second driving mechanism and the third driving mechanism are fixedly connected with the fixing plate.
5. The automatic plug-in test device for the square-mouth USB interface according to claim 4, wherein the switch mechanism further comprises a second sliding mechanism for moving the switch mechanism away from the carrier plate, and the second sliding mechanism is fixedly connected to the fixing plate.
6. The automatic plug testing device for the square-mouth USB interface according to claim 1, further comprising a main body support, wherein the carrier plate, the pressing mechanism, the plug mechanism and the opening and closing mechanism are all fixedly mounted on the main body support.
7. The automatic plugging and unplugging testing device for the square-mouth USB interface according to claim 6, wherein the main body bracket is a control box for controlling the operation of the automatic plugging and unplugging testing device for the square-mouth USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010515108.XA CN111624468A (en) | 2020-06-08 | 2020-06-08 | Automatic plug testing arrangement of square-mouth USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010515108.XA CN111624468A (en) | 2020-06-08 | 2020-06-08 | Automatic plug testing arrangement of square-mouth USB interface |
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| Publication Number | Publication Date |
|---|---|
| CN111624468A true CN111624468A (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010515108.XA Pending CN111624468A (en) | 2020-06-08 | 2020-06-08 | Automatic plug testing arrangement of square-mouth USB interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505521A (en) * | 2020-09-25 | 2021-03-16 | 华东光电集成器件研究所 | Three-dimensional assembled circuit testing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205958695U (en) * | 2016-06-28 | 2017-02-15 | 东莞市正博电子设备有限公司 | Novel PCB board automatic testing machine of structure |
| CN207798993U (en) * | 2018-02-07 | 2018-08-31 | 苏州萨帕自动化科技有限公司 | USB plugs measurement jig |
| CN109375091A (en) * | 2018-10-15 | 2019-02-22 | 歌尔股份有限公司 | Automatic plug test device and test method for pcb board |
| RU192193U1 (en) * | 2019-04-30 | 2019-09-06 | Акционерное общество "Актив-софт" | AUTOMATIC TESTING MACHINE USB DEVICES |
| CN212341382U (en) * | 2020-06-08 | 2021-01-12 | 苏州健彭自动化设备有限公司 | Automatic plug testing arrangement of square-mouth USB interface |
-
2020
- 2020-06-08 CN CN202010515108.XA patent/CN111624468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205958695U (en) * | 2016-06-28 | 2017-02-15 | 东莞市正博电子设备有限公司 | Novel PCB board automatic testing machine of structure |
| CN207798993U (en) * | 2018-02-07 | 2018-08-31 | 苏州萨帕自动化科技有限公司 | USB plugs measurement jig |
| CN109375091A (en) * | 2018-10-15 | 2019-02-22 | 歌尔股份有限公司 | Automatic plug test device and test method for pcb board |
| RU192193U1 (en) * | 2019-04-30 | 2019-09-06 | Акционерное общество "Актив-софт" | AUTOMATIC TESTING MACHINE USB DEVICES |
| CN212341382U (en) * | 2020-06-08 | 2021-01-12 | 苏州健彭自动化设备有限公司 | Automatic plug testing arrangement of square-mouth USB interface |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505521A (en) * | 2020-09-25 | 2021-03-16 | 华东光电集成器件研究所 | Three-dimensional assembled circuit testing device |
| CN112505521B (en) * | 2020-09-25 | 2024-04-19 | 华东光电集成器件研究所 | Three-dimensional assembled circuit testing device |
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