CN216209775U - Printed circuit board power supply short circuit testing device - Google Patents
Printed circuit board power supply short circuit testing device Download PDFInfo
- Publication number
- CN216209775U CN216209775U CN202122473991.3U CN202122473991U CN216209775U CN 216209775 U CN216209775 U CN 216209775U CN 202122473991 U CN202122473991 U CN 202122473991U CN 216209775 U CN216209775 U CN 216209775U
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- test
- power supply
- tested
- 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.)
- Active
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a printed circuit board power supply short circuit testing device which comprises a testing frame, a gasket plate and testing probes, wherein the testing frame comprises a bottom plate and two supports vertical to the bottom plate, a plurality of printed circuit boards to be tested can be placed on the two supports, the printed circuit boards to be tested and the gaskets are placed at intervals, a group of a plurality of probes are arranged on the gaskets, and the probes are used for detecting the short circuit condition of the printed circuit boards to be tested and are electrically connected with interfaces of the testing frame circuit boards on the bottom plate. Each interface is correspondingly connected with the plurality of test probes, and the plurality of test probes correspondingly test one tested printed circuit board. The utility model can realize batch test of the power supply short circuit of the printed circuit board, improve the test efficiency of the product and improve the test accuracy of the product.
Description
Technical Field
The utility model relates to a printed circuit board power supply short circuit testing device, and belongs to the technical field of power electronic automatic control.
Background
Along with the development of the technology, the power supply design on the circuit board adopts the realization mode of the power supply plane and the ground plane more and more, the circuit board designed by the mode has multiple advantages, but once the circuit board is short-circuited with a certain power supply plane and the ground plane due to certain faults, the phenomenon of permanent damage of a large piece of device caused by power supply short circuit is easily caused by practicality electrification.
At present, before the printed circuit board is electrified, a universal meter is needed to test the impedance of each power supply and the ground on the printed circuit board, and whether the power supply and the ground are short-circuited is judged. If the printed circuit board is tested in batch by the method, a great deal of manpower, material resources and time are consumed. Therefore, there is a need for a device for batch testing of power shorts on printed circuit boards.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the utility model aims to provide a printed circuit board power supply short circuit testing device, which is used for realizing batch testing of printed circuit board power supply short circuits, improving the product testing efficiency and improving the product testing accuracy.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a printed circuit board power short circuit testing arrangement, includes test jig, gasket board and test probe, and the test jig includes two supports on bottom plate and the perpendicular to bottom plate, can place a plurality of printed circuit boards of being surveyed on two supports, and the printed circuit board and the gasket interval of being surveyed are placed, are equipped with a set of a plurality of probes on the gasket, and the probe detects the short circuit condition of being surveyed printed circuit board and with the interface electrical connection of the test jig circuit board on the bottom plate.
Furthermore, each interface is correspondingly connected with the plurality of test probes, and the plurality of test probes correspondingly test one tested printed circuit board.
Furthermore, the two supports can move left and right along the bottom plate to adapt to the sizes of different printed circuit boards to be tested; a plurality of clamping grooves are formed in the two supports, and the clamping grooves can extend the supports to move up and down so as to adapt to the thickness of different printed circuit boards to be tested.
Furthermore, the clamping grooves on the two supports correspond to each other one by one, so that a printed circuit board or a gasket board to be tested can be conveniently placed.
Furthermore, a plurality of small holes are formed in the gasket plate and close to the testing surface of the printed circuit board to be tested, and are used for placing testing probes.
Furthermore, the test jig circuit board is provided with a power supply circuit, a control circuit, an interface circuit, an alarm indicator lamp and the interface, wherein the power supply circuit provides power for the control circuit, the interface circuit and the alarm circuit.
Furthermore, the test jig circuit board is provided with a plurality of interfaces, and each interface corresponds to one alarm indicator lamp.
Compared with the prior art, the utility model has the following advantages:
the printed circuit board power supply short circuit testing device can realize batch testing of the printed circuit board power supply short circuit.
The utility model can test 20 printed boards at most simultaneously, thereby improving the test efficiency and the test accuracy.
The utility model can be adaptive to the size of the printed board, has high adaptability, avoids the problem that each board card needs a test frame, and reduces the test cost of various board cards.
Drawings
FIG. 1 is a schematic structural view of a test rack;
FIG. 2 is a schematic view of the placement of the PCB under test and the pad board;
fig. 3 is a block diagram of a test rack circuit board.
The device comprises a first support, a second support, a bottom plate, a card slot, a tested printed circuit board, a spacer plate, a test probe, an alarm indicator lamp, an interface 9, a power supply circuit 10, a control circuit 11, an interface circuit 12 and an alarm circuit 13, wherein the first support is 1, the second support is 2, the bottom plate is 3, the card slot is 4, the tested printed circuit board is 5, the spacer plate is 6, the test probe is 7, the alarm indicator lamp is 8, the interface is 9, the power supply circuit is 10, the control circuit is 11, the interface circuit is 12 and the alarm circuit is 13.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and examples.
The printed circuit board power supply short circuit testing device comprises a testing frame, a gasket plate 6, a testing probe 7, a power supply circuit 10, a control circuit 11, an alarm circuit 13, an alarm indicator lamp 8 and an interface circuit 12.
The test jig comprises a first support 1, a second support 2 and a bottom plate 3, wherein the first support 1 and the second support 2 are perpendicular to two ends of the bottom plate 3 respectively and are parallel to each other, as shown in fig. 1. The first support 1 and the second support 2 can move left and right along the bottom plate 3 to adapt to different sizes of the printed circuit board 5 to be tested. A plurality of clamping grooves 4 are formed in the first support 1 and the second support 2, and the clamping grooves 4 can move up and down along the first support 1 or the second support 2 to adapt to different thicknesses of the printed circuit board 5 to be tested. A test jig circuit board is fixed on the bottom plate 3. The printed circuit board power supply short circuit testing device can test the tested printed circuit boards 5 with various sizes.
The clamping grooves 4 on the first support 1 and the second support 2 correspond to each other, and a printed circuit board 5 or a gasket plate 6 to be tested can be placed conveniently.
The tested printed circuit board 5 and the shim plate 6 are placed in a spaced apart relationship as shown in fig. 2.
A plurality of small holes are arranged on the gasket plate 6 and on the testing surface close to the tested printed circuit board 5 for placing the testing probes 7, and the testing probes 7 are electrically connected with the interface 9 of the testing frame circuit board fixed on the bottom plate 3. And testing whether the power supplies of different printed circuit boards 5 to be tested are short-circuited or not, putting a test probe 7 into the small hole on the corresponding gasket board 6, electrically connecting the test probe 7 with the test frame circuit board, and judging whether the point tested by the test probe 7 is short-circuited or not.
The circuit board structure of the test rack fixed on the bottom plate 3 is shown in fig. 3, and the test rack circuit board is provided with a power circuit 10, a control circuit 11, an interface circuit 12, an alarm circuit 13, an interface 9 and an alarm indicator light 8. Wherein the power circuit 10 supplies power to the control circuit 11, the interface circuit 12 and the alarm circuit 13. In this embodiment, there are at most 20 interfaces 9 on the circuit board of the test rack. Correspondingly, the testing device of the present embodiment can simultaneously test at most 20 tested printed circuit boards 5.
The test rack circuit board is provided with 20 interfaces 9, and each interface 9 corresponds to one alarm indicator lamp 8.
Each interface 9 is externally connected with 10 test probes 7. Each test probe 7 is connected to the printed circuit board 5 under test.
In 10 test probes 7 on each interface 9, if any two test probes 7 have short circuit test results, the control circuit 11 is informed, the control circuit 11 starts the alarm circuit 13, the alarm indicator light 8 is on red light at the moment, otherwise, the alarm indicator light 8 is not on.
The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a printed circuit board power short circuit testing arrangement, a serial communication port, testing arrangement includes test jig, gasket board and test probe, and the test jig includes two supports on bottom plate and the perpendicular to bottom plate, can place a plurality of printed circuit boards of being surveyed on two supports, and the printed circuit board of being surveyed and gasket interval are placed, are equipped with a set of a plurality of probes on the gasket, and the probe detects the short circuit condition of being surveyed printed circuit board and with the interface electrical connection of the test jig circuit board on the bottom plate.
2. The apparatus of claim 1, wherein each of the plurality of interfaces is connected to the plurality of test probes, and the plurality of test probes test a corresponding printed circuit board under test.
3. The printed circuit board power supply short circuit testing device of claim 1 or 2, wherein the two supports can move left and right along the bottom plate to adapt to the sizes of different printed circuit boards to be tested; a plurality of clamping grooves are formed in the two supports, and the clamping grooves can extend the supports to move up and down so as to adapt to the thickness of different printed circuit boards to be tested.
4. The apparatus of claim 3, wherein the two supports have a one-to-one correspondence with the slots for accommodating the PCB or the pad to be tested.
5. The apparatus of claim 3, wherein the pad plate has a plurality of holes for receiving test probes on a test surface thereof adjacent to the printed circuit board under test.
6. The printed circuit board power supply short circuit testing device of claim 3, wherein the testing frame circuit board is provided with a power supply circuit, a control circuit, an interface circuit, an alarm indicator lamp and the interface, and the power supply circuit supplies power to the control circuit, the interface circuit and the alarm circuit.
7. The printed circuit board power supply short circuit testing device of claim 6, wherein the testing frame circuit board is provided with a plurality of the interfaces, and each interface corresponds to one of the alarm indicator lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122473991.3U CN216209775U (en) | 2021-10-14 | 2021-10-14 | Printed circuit board power supply short circuit testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122473991.3U CN216209775U (en) | 2021-10-14 | 2021-10-14 | Printed circuit board power supply short circuit testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216209775U true CN216209775U (en) | 2022-04-05 |
Family
ID=80866103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122473991.3U Active CN216209775U (en) | 2021-10-14 | 2021-10-14 | Printed circuit board power supply short circuit testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216209775U (en) |
-
2021
- 2021-10-14 CN CN202122473991.3U patent/CN216209775U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206563784U (en) | A kind of patch capacitor burn-in test device and device | |
| CN110967623B (en) | ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method | |
| CN216209775U (en) | Printed circuit board power supply short circuit testing device | |
| CN203350426U (en) | Automatic power supply testing device and automatic power testing production line | |
| CN215449355U (en) | Tester capable of testing multiple packaging types | |
| CN203658413U (en) | ICT needle bed | |
| SG129234A1 (en) | Adapter method and apparatus for interfacing a tester with a device under test | |
| CN217116098U (en) | Communication equipment trouble plate detection device | |
| CN202110251U (en) | PCBA testing apparatus with thimbles at two sides | |
| CN108469583A (en) | ICT tester | |
| CN212060337U (en) | PCB performance testing device | |
| CN201540337U (en) | Sensor aging tester | |
| CN221378050U (en) | A high-efficient detection support for circuit board | |
| CN204495920U (en) | A kind of dual system FPC proving installation | |
| CN211293152U (en) | Equipment for automatically testing electrical quality of PCB | |
| CN103645351A (en) | ICT needle bed having switching board | |
| CN221883694U (en) | Multichannel test fixture | |
| CN212134875U (en) | PCB diode welding detection device | |
| CN221056597U (en) | Integrated form ECU controller PCBA multiple spot position test fixture | |
| CN220171761U (en) | Ageing test rack for flat panel display screen | |
| CN215263861U (en) | Pneumatic testing device | |
| CN220490953U (en) | Novel conduction instrument | |
| CN216560953U (en) | Testing device of communication radio frequency connector capable of expanding | |
| CN218122210U (en) | Novel PDU of data center detects device | |
| CN221669223U (en) | Circuit board switching device of telex control computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |