CN218567529U

CN218567529U - Circuit board testing device

Info

Publication number: CN218567529U
Application number: CN202222452357.6U
Authority: CN
Inventors: 陆国均
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Hefei Shiyan Electronic Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Hefei Shiyan Electronic Technology Co Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-03-03
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a circuit board testing arrangement, it includes the collection box, the collection board, thimble and keysets, the collection board sets up in the collection box, be provided with a plurality of collection points on the collection board, the keysets has relative first side and the second side that sets up, first side is provided with a plurality of keysets with the test point one-to-one of circuit board, keysets and test point pass through the thimble and connect, be provided with a plurality of switching modules on the second side, all keysets are connected with the switching module that corresponds respectively, the mode of arranging of all switching modules on the second side is unanimous with the mode of arranging of collection point on the collection board, every switching module passes through the signal line and is connected with the collection point that corresponds. The circuit board testing device is convenient for operators to connect the wiring of the switching module and the collecting point, all signal wires are arranged more neatly, and when a test goes wrong, the operators can quickly check the problem so as to improve the testing efficiency of the circuit board testing device on the circuit board.

Description

Circuit board testing device

Technical Field

The utility model relates to a circuit board test technical field especially relates to a circuit board testing arrangement.

Background

In the production process of the circuit board, the manufactured circuit board needs to be tested, and the circuit board can leave a factory after the test is passed. The circuit board needs to perform signal tests such as image and sound signals, control information numbers, power supplies, screen display and the like. At present, a test point of a circuit board is connected by adopting a mode of a one-way thimble, one end of the thimble is connected with a collection plate through a signal line, and the other end of the thimble is abutted against the test point of the circuit board so as to transmit a signal on the circuit board to the collection plate through the signal line to realize testing. The prior art has the following defects: the test points on the circuit board need to be arranged according to the PCB wiring of signal integrity, and the test points of each function can be scattered on the circuit board, so that the arrangement mode of the acquisition points on the acquisition board and the test points is inconsistent, the signal lines between the acquisition board and the test points are disordered and the problems are difficult to troubleshoot, and the test efficiency of the battery is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the circuit board testing device is simple in structure and high in circuit board testing efficiency.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the utility model provides a circuit board testing arrangement, includes collection box, collection board, thimble and keysets, the collection board sets up in the collection box, be provided with a plurality of collection points on the collection board, the keysets has relative first side and the second side that sets up, the first side mask a plurality of keysets with the test point one-to-one of circuit board, the keysets with the test point is through electrically conductive the thimble is connected, be provided with a plurality of switching modules on the second side, all the keysets respectively with correspond the switching module is connected, all switching modules are in arrange the mode on the second side with the collection point is in arrange the mode on the collection board is unanimous, every switching module passes through the signal line with correspond the collection point is connected.

As an alternative of the circuit board testing device, each switching module is correspondingly provided with a plug socket, one end of the signal wire connected with the switching module is provided with a plug connector, and the plug connector is plugged with the plug socket.

As the alternative scheme of the circuit board testing device, the collecting box comprises a fixing seat and a mounting plate, wherein the fixing seat is arranged on the collecting box, the adapter plate is located below the fixing seat, the mounting plate is located above the fixing seat, a plurality of thimbles are arranged on the fixing seat at intervals, and the circuit board is arranged on the mounting plate.

As an alternative of the circuit board testing device, an elastic member is arranged between the mounting plate and the fixing seat, and the elastic member is used for adjusting the distance between the mounting plate and the fixing seat.

As an alternative scheme of the circuit board testing device, the elastic piece comprises a mounting seat, a first spring and a guide post, the mounting seat is provided with a mounting hole, the first spring is arranged in the mounting hole, one end of the guide post is connected with the mounting plate, and the other end of the guide post is inserted in the mounting hole and connected with the first spring.

As circuit board testing arrangement's alternative, the circuit board sets up the mounting panel deviates from a side of fixing base, it is provided with the hole of dodging to run through on the mounting panel, the mounting groove with dodge the hole intercommunication, the thimble passes dodge the hole with the circuit board the test point butt.

As circuit board testing arrangement's alternative, the mounting panel deviates from a side of fixing base is sunken to be provided with the mounting groove, the mounting groove with dodge the hole intercommunication, the mounting groove is used for the installation the circuit board.

As the alternative of circuit board testing arrangement, still include the pressing means, the pressing means includes support, driving piece and pressing piece, the support sets up on the collection box, the driving piece sets up on the support, the pressing piece with the driving piece is connected, the pressing piece is located the top of mounting panel, the driving piece can drive the pressing piece orientation the mounting panel removes, in order to press the circuit board with the thimble supports tightly.

As circuit board testing arrangement's alternative, the pressing piece includes pressing plate and pressing post, pressing plate with the driving piece is connected, pressing post protrusion sets up pressing plate orientation the side of mounting panel, pressing post supports tightly the circuit board is kept away from the side of thimble.

As an alternative of the circuit board testing device, the thimble comprises a tube body, a second spring and a probe, the tube body is arranged on the fixing seat, the second spring is arranged in the tube body, the probes are inserted at two opposite ends of the tube body, the probe is provided with a butt end and a connecting end, the connecting end is inserted into one end of the tube body and connected with the second spring, the butt ends are located at the outer part of the tube body and respectively abutted against the test point and the switching point, and at least the probe and the second spring are arranged in a conductive manner.

The beneficial effects are that: the lens module is inserted into the mounting hole, the circuit board testing device is provided with the adapter plate, a plurality of adapter points which correspond to the test points of the circuit board to be tested one by one are arranged on the first side surface of the adapter plate, the adapter points and the test points are connected through the ejector pins respectively, a plurality of second modules are arranged on the second side surface of the adapter plate, the functions of all the test points are classified and connected with the corresponding adapter modules, the arrangement mode of all the adapter modules on the second side surface is consistent with the arrangement mode of the acquisition points on the acquisition plate, then the acquisition points are connected with the adapter modules through signal lines, the testing function of the circuit board to be tested of the circuit board testing device is realized, the circuit board testing device is skillfully designed through the adapter plate, the adapter points on the first side surface are classified and connected with the adapter modules on the second side surface, the arrangement mode of the adapter modules on the second side surface is consistent with the arrangement mode of the acquisition points on the acquisition plate, so that an operator can conveniently arrange the adapter modules and arrange the circuit board between the adapter modules and the acquisition points, the circuit board is more orderly, and when the problem is found in the testing efficiency of the circuit board is improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a circuit board testing device according to an embodiment of the present invention.

Fig. 2 is a partial cross-sectional view of a circuit board testing device according to an embodiment of the present invention.

In the figure:

100. a circuit board; 110. testing points;

1. a collection box; 2. collecting a plate; 21. collecting points; 3. a thimble; 31. a tube body; 32. a second spring; 33. a probe; 4. a patch panel; 41. a first side; 411. a transfer point; 42. a second side surface; 421. a switching module; 422. a socket; 5. a signal line; 51. a plug-in connector; 6. a fixed seat; 7. mounting a plate; 71. avoiding holes; 72. mounting grooves; 8. a pressing assembly; 81. a support; 82. a drive member; 821. an operating handle; 822. connecting blocks; 823. a drive rod; 83. a pressing member; 831. a pressing plate; 832. pressing the column; 9. an elastic member; 91. a mounting base; 911. mounting holes; 92. a first spring; 93. and a guide post.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the utility model discloses a circuit board testing device, including collection box 1, collection board 2, thimble 3 and keysets 4, collection board 2 sets up in collection box 1, be provided with a plurality of collection point 21 on the collection board 2, keysets 4 has relative first side 41 and the second side 42 that sets up, first side 41 possesses a plurality of switching point 411 with the test point 110 one-to-one of circuit board 100, thimble 3's relative both ends are connected with test point 110 and switching point 411 respectively, be provided with a plurality of switching module 421 on the second side 42, all switching point 411 are connected with corresponding switching module 421 respectively, all switching module 421 are unanimous with collection point 21's the mode of arranging on collection board 2 at second side 42, every switching module 421 passes through signal line 5 and is connected with the collection point 21 that corresponds. The circuit board testing device is characterized in that a plurality of switching points 411 which correspond to the testing points 110 of the circuit board 100 to be tested in a one-to-one mode are arranged on a first side surface 41 of the adapter plate 4 through the adapter plate 4, then the adapter plate 4 is respectively connected with the switching points 411 and the testing points 110 through the ejector pins 3, a plurality of switching modules 421 are arranged on a second side surface 42 of the adapter plate 4, the arrangement mode of all the switching modules 421 on the second side surface 42 is consistent with the arrangement mode of the acquisition points 21 on the acquisition plate 2, then the acquisition points 21 are connected with the switching modules 421 through the signal lines 5, so that the testing function of the circuit board testing device on the circuit board 100 is realized, the circuit board testing device is skillfully designed through the adapter plate 4, the switching points 411 of the first side surface 41 are classified and connected with the switching modules 421 of the second side surface 42, the arrangement mode of the switching modules 421 on the second side surface 42 is consistent with the arrangement mode of the acquisition points 21 on the acquisition plate 2, so that the circuit board 100 can be conveniently wired between the switching modules 421 and the circuit board 100 by an operator, the circuit board testing device can quickly check the circuit board 100.

In this embodiment, as shown in fig. 1, the circuit board testing apparatus further includes a fixing seat 6 and a mounting plate 7, the fixing seat 6 is disposed on the collection box 1, the adapter plate 4 is located below the fixing seat 6, and the plurality of ejector pins 3 are disposed on the fixing seat 6 at intervals so as to fix all the ejector pins 3 through the fixing seat 6. The mounting plate 7 is located above the fixing base 6, and the circuit board 100 is arranged on the mounting plate 7 so as to be fixed by the mounting plate 7.

After the test of one circuit board 100 is completed, the tested circuit board 100 needs to be taken out, and then a new circuit board 100 to be tested is placed on the mounting plate 7 for testing, so that in order to avoid electric shock of an operator in the process of replacing the circuit board 100, the circuit board 100 and the ejector pin 3 need to be separated before the circuit board 100 is replaced. An elastic part 9 is arranged between the mounting plate 7 and the fixed seat 6, and the elastic part 9 is used for adjusting the distance between the mounting plate 7 and the fixed seat 6. In the test process, pressing force can be applied to move the circuit board 100 and the mounting plate 7 so that the circuit board 100 is in contact with the ejector pin 3, after the circuit board 100 is tested, the pressing force is removed, the elastic piece 9 can drive the mounting plate 7 to be away from the fixing seat 6 at the moment, the mounting plate 7 is automatically reset to a set position, the circuit board 100 is separated from the ejector pin 3, the operation steps of operators are simplified, and the test efficiency is improved.

Specifically, as shown in fig. 2, the elastic member 9 includes a mounting seat 91, a first spring 92 and a guide post 93, the mounting seat 91 is disposed on the fixing seat 6, a mounting hole 911 is disposed on the mounting seat 91, the first spring 92 is disposed in the mounting hole 911, one end of the guide post 93 is connected to the mounting plate 7, and the other end of the guide post is inserted into the mounting hole 911 and connected to the first spring 92. When the circuit board 100 is pressed, the mounting plate 7 drives the guide post 93 to press the first spring 92, and when the pressing post 832 moves upward, the mounting plate 7 loses the effect of the pressing force, and the guide post 93 is driven to move upward to the set position due to the elastic force of the first spring 92, so that the thimble 3 is separated from the circuit board 100.

Specifically, the circuit board 100 is disposed on a side surface of the mounting plate 7 departing from the fixing base 6, an avoiding hole 71 is formed in the mounting plate 7 in a penetrating manner, and the thimble 3 penetrates through the avoiding hole 71 to abut against a test point 110 of the circuit board 100. The mounting plate 7 is structured to facilitate mounting of the circuit board 100. In the testing process, the circuit board 100 is pressed downwards, so that the circuit board 100 and the mounting plate 7 both move towards the fixing seat 6, and the thimble 3 penetrates through the avoiding hole 71 to be abutted to the testing point 110, so that the signal transmission between the circuit board 100 and the collecting plate 2 is realized, and the testing of the circuit board 100 is further realized. In other embodiments, the circuit board 100 may also have a side surface of the mounting plate 7 facing the fixing base 6, which is not limited in this embodiment.

Specifically, a side surface of the mounting plate 7 facing away from the fixing base 6 is provided with a mounting groove 72 in a recessed manner, the mounting groove 72 is communicated with all the avoiding holes 71, and the mounting groove 72 is used for mounting the circuit board 100. The mounting groove 72 is arranged on the mounting plate 7, so that the circuit board 100 can be mounted conveniently, and the groove wall of the mounting groove 72 limits the circuit board 100, so that the circuit board 100 cannot slide on the mounting plate 7, and the position deviation of the test point 110 and the thimble 3 is avoided.

Preferably, the shape of the bottom of the mounting groove 72 is adapted to the shape of the circuit board 100, and since the circuit board 100 is integrated with a plurality of functional modules, so that there are positions protruding locally on the side surfaces thereof, the bottom of the mounting groove 72 is adapted to the side surfaces of the circuit board 100, so as to better protect the circuit board 100 and prevent the circuit board 100 from being damaged.

Optionally, the circuit board 100 is pressed by the pressing component 8, and the pressing effect is good. In other embodiments, the circuit board 100 may be manually pressed directly.

Specifically, as shown in fig. 1, the pressing assembly 8 includes a support 81, a driving member 82, and a pressing member 83, the support 81 is disposed on the collection box 1, the driving member 82 is disposed on the support 81, the pressing member 83 is connected to the driving member 82, the pressing member 83 is located above the mounting plate 7, the driving member 82 can drive the pressing member 83 to move toward the mounting plate 7, so as to press the circuit board 100 against the ejector pin 3, and the support 81 is used for fixing and guiding the driving member 82, so that the pressing assembly 8 drives the circuit board 100 to move more smoothly.

Specifically, the pressing member 83 includes a pressing plate 831 and a pressing post 832, the pressing plate 831 is connected to the driving member 82, the pressing post 832 is protrudingly disposed on a side surface of the pressing plate 831 facing the mounting plate 7, and the pressing post 832 abuts against a side surface of the circuit board 100 away from the thimble 3. By arranging the plurality of pressing columns 832 on the pressing plate 831 and pressing the circuit board 100 through the plurality of pressing columns 832, the stress on the circuit board 100 is more uniform, and the pressing effect is better.

In the testing process, the circuit board 100 is connected to the thimble 3 so as to electrically connect the circuit board 100 and the collecting plate 2, and in order to avoid the conduction of the pressing component 8, the pressing column 832 is made of an insulating material so that the pressing column 832 can not only press the circuit board 100 but also insulate the circuit board 100.

Preferably, the pressing plate 831 is made of a transparent material, and this design can prevent the pressing plate 831 from blocking the view of the operator, so that the operator can better observe the contact condition between the pressing post 832 and the circuit board 100.

In this embodiment, as shown in fig. 2, each adapting module 421 is correspondingly provided with a socket 422, one end of the signal line 5 connected to the adapting module 421 is provided with a plug 51, and the plug 51 is plugged into the socket 422, so as to facilitate the assembly and disassembly between the signal line 5 and the adapting board 4, thereby improving the maintenance effect.

The circuit board 100 and the adapter plate 4 are both precision devices, and in order to prevent the circuit board 100 and the adapter plate 4 from being crushed due to overlarge instant acting force when the circuit board 100 and the adapter plate 4 are in contact with the ejector pin 3, a buffer mechanism is arranged on the ejector pin 3. Specifically, thimble 3 includes body 31, second spring 32 and probe 33, and body 31 sets up on fixing base 6, and second spring 32 sets up in body 31, and body 31's relative both ends are all inserted and are equipped with probe 33, and probe 33 has butt end and link, and the one end that the link inserted body 31 is connected with second spring 32, and two butt ends all are located the outside of body 31 to respectively with test point 110 and switching point 411 butt, the electrically conductive setting of at least probe 33 and second spring 32. The tube 31 is connected to the fixing base 6, the tube 31 is hollow, so that the second spring 32 can be installed in the tube 31 to fix and limit the second spring 32, and the second spring 32 is bent during compression. The pressing column 832 presses the circuit board 100 downwards, the circuit board 100 is in contact with the probe 33, and the probe 33 presses the second spring 32 to compress the second spring 32, so as to provide a buffering force for the probe 33 and prevent the circuit board 100 and the adapter board 4 from being damaged. In this embodiment, the probe 33 and the second spring 32 are electrically connected to each other.

In this embodiment, as shown in fig. 1, the driving member 82 includes an operating handle 821, a connecting block 822, and a driving rod 823, wherein a first hinge portion and a second hinge portion are disposed at an interval at one end of the operating handle 821, the first hinge portion is connected to the bracket 81, the second hinge portion is hinged to the connecting block 822, one end of the connecting block 822, which is far away from the operating handle 821, is hinged to the driving rod 823, and an operator holds the operating handle 821 to rotate along the first hinge portion to drive the connecting block 822 to move, so as to drive the pressing member 83 to press the circuit board 100.

In one embodiment, the drive member 82 may be a hydraulic cylinder, and the hydraulic drive moves relatively smoothly. In other embodiments, the driving member 82 may also be a motor, a cylinder or other driving mechanisms, which are not limited to the embodiment.

Claims

1. The utility model provides a circuit board testing arrangement, includes collection box, collection board and thimble, the collection board sets up in the collection box, be provided with a plurality of collection points on the collection board, its characterized in that still includes the keysets, the keysets has relative first side and the second side that sets up, first side is provided with a plurality of switching points with the test point one-to-one of circuit board, the switching point with the test point is through electrically conductive the thimble is connected, be provided with a plurality of switching modules on the second side, all the switching point respectively with correspond the switching module is connected, all the switching module is in the mode of arranging on the second side with the collection point is in the mode of arranging on the collection board is unanimous, every the switching module passes through the signal line and corresponds the collection point is connected.

2. The apparatus according to claim 1, wherein each of the adapter modules is provided with a socket, and a connector is provided at an end of the signal line connected to the adapter module, and the connector is connected to the socket.

3. The circuit board testing device according to claim 2, further comprising a fixing seat and a mounting plate, wherein the fixing seat is arranged on the collection box, the adapter plate is located below the fixing seat, the mounting plate is located above the fixing seat, the plurality of thimbles are arranged on the fixing seat at intervals, and the circuit board is arranged on the mounting plate.

4. The apparatus according to claim 3, wherein an elastic member is disposed between the mounting plate and the fixing base, and the elastic member is used for adjusting a distance between the mounting plate and the fixing base.

5. The circuit board testing device according to claim 4, wherein the elastic member comprises a mounting base, a first spring and a guide post, the mounting base is provided with a mounting hole, the first spring is arranged in the mounting hole, one end of the guide post is connected with the mounting plate, and the other end of the guide post is inserted in the mounting hole and connected with the first spring.

6. The circuit board testing device according to claim 3, wherein the circuit board is disposed on a side surface of the mounting plate away from the fixing seat, an avoiding hole is formed in the mounting plate in a penetrating manner, and the ejector pin penetrates through the avoiding hole and abuts against the test point of the circuit board.

7. The circuit board testing device according to claim 6, wherein the mounting plate is provided with a mounting groove in a concave manner at a side surface facing away from the fixing seat, the mounting groove is communicated with the avoiding hole, and the mounting groove is used for mounting the circuit board.

8. The circuit board testing device according to claim 4, further comprising a pressing assembly, wherein the pressing assembly includes a bracket, a driving member, and a pressing member, the bracket is disposed on the collection box, the driving member is disposed on the bracket, the pressing member is connected to the driving member, the pressing member is located above the mounting plate, and the driving member can drive the pressing member to move toward the mounting plate to press the circuit board against the ejector pin.

9. The device for testing the circuit board according to claim 8, wherein the pressing member includes a pressing plate and a pressing post, the pressing plate is connected to the driving member, the pressing post is disposed on a side surface of the pressing plate facing the mounting plate in a protruding manner, and the pressing post abuts against a side surface of the circuit board away from the thimble.

10. The device for testing the circuit board according to claim 3, wherein the thimble comprises a tube, a second spring and a probe, the tube is disposed on the fixing seat, the second spring is disposed in the tube, the probe is inserted into each of two opposite ends of the tube, the probe has an abutting end and a connecting end, the connecting end is inserted into one end of the tube and connected with the second spring, the abutting ends are disposed outside the tube and abut against the test point and the switching point respectively, and at least the probe and the second spring are electrically conductive.