CN216870698U

CN216870698U - Circuit PCB integrated circuit board testing arrangement

Info

Publication number: CN216870698U
Application number: CN202123447901.XU
Authority: CN
Inventors: 蒋卫兵
Original assignee: Shanghai Binjie Electromechanical Co ltd
Current assignee: Shanghai Binjie Electromechanical Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-01
Anticipated expiration: 2031-12-31

Abstract

The application relates to a circuit PCB integrated circuit board testing arrangement relates to test equipment's field, and it includes: the test electric cabinet comprises a cabinet body, a controller and a power supply which are in signal connection; the PCB board card test board comprises a plurality of fixed ejector pins, a PCB board card tray and a plurality of pressing ejector pins, wherein the PCB board card tray is provided with avoidance grooves along components of a PCB board card, and is provided with through holes along the fixed ejector pins; the PCB board card is positioned between the fixed thimble and the pressing thimble, and one end of the fixed thimble, which is far away from the pressing thimble, is connected with the electric test cabinet in a signal manner; the display module comprises a display and is in signal connection with the controller; when the PCB board card is installed, the wiring end of the PCB board card is electrically connected with the fixed ejector pin, and the pressing ejector pin abuts against the PCB board card. The method and the device have the effect of quickly and accurately obtaining the test result.

Description

Circuit PCB integrated circuit board testing arrangement

Technical Field

The application relates to the field of test equipment, in particular to a circuit PCB board card test device.

Background

The PCB board card is a complete integrated circuit formed by connecting various components by taking a printed circuit board as a substrate.

In the related art, before the PCB board leaves the factory, there is a need to test and detect the PCB board. Usually, a manual external power supply and an external load are adopted, and a measuring tool (such as test software) is assisted, so that the purpose of measuring the normal on-off function of the component is realized; meanwhile, the mechanical installation size of the electronic components on the PCB is measured manually with the aid of a measuring tool.

With respect to the related art in the above, the inventors consider that: due to manual measurement, low efficiency is easy to occur, and errors are easy to occur during manual operation or reading by human eyes, so that a test result is not easy to obtain quickly and accurately.

SUMMERY OF THE UTILITY MODEL

In order to obtain the test result fast and accurately, the application provides a circuit PCB board card testing device.

The application provides a circuit PCB integrated circuit board testing arrangement adopts following technical scheme:

a circuit PCB board card testing device comprises:

the test electric cabinet comprises a cabinet body, a controller and a power supply which are in signal connection;

the PCB board card test board comprises a plurality of fixed ejector pins, a PCB board card tray and a plurality of pressing ejector pins, wherein the PCB board card tray is provided with avoidance grooves along components of a PCB board card, and is provided with through holes along the fixed ejector pins; the PCB board is positioned between the fixed thimble and the pressing thimble, and one end of the fixed thimble, which is far away from the pressing thimble, is connected with the test electric cabinet through a signal; and the number of the first and second groups,

the display module comprises a display and is in signal connection with the controller;

when the PCB board card is installed, the wiring end of the PCB board card is electrically connected with the fixed ejector pin, and the pressing ejector pin abuts against the PCB board card.

By adopting the technical scheme, a worker places the PCB to be tested on the PCB tray, so that the terminals on the back of the PCB are ensured to be in one-to-one correspondence with the fixed thimbles, the signal connection purpose can be realized, and then the pressing thimbles are enabled to move towards the direction close to the fixed thimbles, so that the good wiring between the PCB and the fixed thimbles is ensured; and meanwhile, whether the PCB board card and the component can be just clamped in the avoiding groove is determined.

If the PCB board card and the components can be clamped in the avoiding groove, the size of the PCB board card meets the requirement, the test software is started at the moment, the normal on-off function of the PCB board card is tested, the test result is displayed through the display, and the test result can be conveniently checked by a worker, so that the aim of quickly and accurately obtaining the test result can be fulfilled.

Preferably, the pressing ejector pin is far away from one end of the fixed ejector pin and is fixedly connected with the same top plate, and the top plate is movably arranged in the vertical direction.

Through adopting above-mentioned technical scheme, the staff of being convenient for drives a plurality of thimbles that compress tightly simultaneously, forms the restriction steadily to the position of PCB integrated circuit board.

Preferably, one side of the top plate, which is far away from the compression thimble, is provided with a driving end of a driving piece, the fixed end of the driving piece is fixedly connected to the top of the inner side of the cabinet body, and the driving piece is in signal connection with the controller.

Through adopting above-mentioned technical scheme, the staff of being convenient for drives a plurality of thimbles that compress tightly simultaneously, forms the restriction steadily to the position of PCB integrated circuit board card.

Preferably, one side of the cabinet body is provided with an opening, the cabinet body is provided with a safety grating at the opening, and the output end signal of the safety grating is connected with the controller.

Through adopting above-mentioned technical scheme, in the test process, whether have object or personnel to get into the cabinet internal through safe grating detection, if have, then output high level signal to controller, can in time discover to have object or personnel to get into the internal condition of cabinet.

Preferably, the controller is further connected with an alarm and a power switch in a signal manner; when the safety grating outputs a high level signal, the controller controls the alarm to alarm and the power switch to be switched off.

By adopting the technical scheme, when the controller receives a high-level signal output by the safety grating, the controller outputs an alarm signal to the alarm, so that the alarm gives an alarm to remind a worker; meanwhile, a power-off signal is output to the power switch, so that the testing device is powered off, and the safety of the testing device and/or personnel is further ensured.

Preferably, one end of the fixed thimble far away from the pressing thimble is fixedly connected with a bottom plate, and the fixed thimble penetrates through the bottom plate and is connected with the electric test cabinet through a cable signal.

Through adopting above-mentioned technical scheme, the bottom plate is convenient for the restriction fixed thimble the position, ensures simultaneously that fixed thimble can form signal connection with terminals such as controller and power in the electric cabinet of test.

Preferably, the bottom plate is clamped with the cabinet body; and a limiting groove is formed in one side of the cabinet body, and the opening direction of the limiting groove and the horizontal direction are arranged at an angle.

Through adopting above-mentioned technical scheme, when changing the PCB integrated circuit board of different models and testing, earlier with one side joint of PCB integrated circuit board at the spacing inslot, after the staff is connected cable and fixed thimble, put the bottom plate again to the position of restriction bottom plate reduces the unstable probability of bottom plate.

Preferably, the cabinet body extends inwards to form a limiting plate, and the edge of the bottom plate abuts against the limiting plate.

Through adopting above-mentioned technical scheme, spacing board forms the spacing to the bottom plate, ensures the test in-process, the stability of bottom plate.

Preferably, the display is configured as one of a liquid crystal display, a plasma display, an electroluminescent display, an organic electroluminescent display, a field emission display, a projection display, or an LED display.

By adopting the technical scheme, the test result can be conveniently checked by the staff.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a worker places the PCB to be tested on the PCB tray, so that the terminals on the back of the PCB are in one-to-one correspondence with the fixed ejector pins, the signal connection can be realized, the pressing ejector pins are moved towards the direction close to the fixed ejector pins, and the good wiring between the PCB and the fixed ejector pins is ensured; meanwhile, whether the PCB board card and the component can be just clamped in the avoidance groove is determined;

if the PCB board card and the component can be clamped in the avoidance groove, the dimension of the PCB board card meets the requirement, at the moment, test software is started, the normal on-off function of the PCB board card is tested, the test result is displayed through a display, and the test result is convenient for a worker to check, so that the aim of quickly and accurately obtaining the test result can be fulfilled;

2. the pressing ejector pins are driven by workers at the same time, and the position of the PCB is stably limited; the bottom plate is convenient for limiting the position of the fixed thimble, and simultaneously ensures that the fixed thimble can form signal connection with terminals such as a controller and a power supply in the test electric cabinet;

3. when the controller receives a high-level signal output by the safety grating, the controller outputs an alarm signal to the alarm, so that the alarm gives an alarm to remind a worker; meanwhile, a power-off signal is output to the power switch, so that the testing device is powered off, and the safety of the testing device and/or personnel is further ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

fig. 3 is a schematic circuit diagram of a controller according to an embodiment of the present disclosure.

Reference numerals: 1. testing the electric cabinet; 11. a cabinet body; 111. a limiting plate; 112. a limiting groove; 113. a safety grating; 12. a controller; 121. an alarm; 122. a power switch; 13. a power source; 131. a direct current module; 132. an alternating current module; 133. a power supply; 2. a PCB board card test board; 21. fixing the thimble; 211. a base plate; 22. a PCB board card tray; 221. a through hole; 222. an avoidance groove; 23. compressing the thimble; 231. a top plate; 232. a drive member; 3. a display module; 31. a display.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a circuit PCB board card testing device. Referring to fig. 1, the test cabinet 1, the PCB board test bench 2 and the display module 3 are mainly included. Wherein PCB integrated circuit board testboard 2 is arranged in testing electric cabinet 1, and display module 3 can be arranged in one side of testing electric cabinet 1, perhaps sets up alone.

In detail, the test electric cabinet 1 comprises a cabinet body 11, a controller 12 and a power supply 13 which are connected through signals, wherein the cabinet body 11 is approximately rectangular, and the cabinet body 11 is hollow; the controller 12 and the power supply 13 can be arranged at the bottom of the cabinet body 11 and can also be arranged externally, and the PCB board card test board 2 is arranged in the middle of the cabinet body 11. The side between the middle part and the top of the cabinet body 11 is provided with at least one side opening, so that the working personnel can place the PCB board card to be tested.

Referring to fig. 1 and 2, in order to facilitate the installation of the PCB board test bench 2, the edge of the inner side of the middle of the cabinet 11 is inwardly extended with a limiting plate 111, and the limiting plates 111 form a square ring shape and are used for bearing the PCB board test bench 2. The purpose of limiting the PCB board card test bench 2 can be realized in other modes.

The controller 12 may be a device having a control function, such as an MCU, a PLC, or a PC, and may control the test software to operate.

Referring to fig. 3, the power supply 13 includes a DC module 131, an AC module 132, and a power supply 13, wherein the DC module 131 is used to provide a DC24V power supply 13 signal, the AC module 132 is used to provide an AC220V power supply 13 signal, and the power supply 13 is used to provide a voltage conversion requirement between AC220V and DC 24V.

Referring to fig. 1 and 3, a transmitter and a receiver of the safety light barrier 113 are respectively disposed on two sides of the opening of the cabinet 11, and an output end of the receiver of the safety light barrier 113 is connected to the controller 12 by a signal and outputs a signal to the controller 12. When the safety barrier 113 detects that there is a foreign object or a person passes between the transmitter and the receiver of the safety barrier 113, a high level signal is output to the controller 12.

In order to ensure that the worker finds the abnormal condition in time, the controller 12 is also connected with an alarm 121 and a power supply 13 switch 122 in a signal mode. When the controller 12 receives a high level signal output by the safety grating 113, the controller 12 outputs two control signals to the alarm 121 and the power supply 13 switch 122 respectively, and then the alarm 121 alarms and the power supply 13 switch 122 is turned off, so that the safety is ensured.

Referring to fig. 1 and 2, further, the PCB card testing platform 2 includes a plurality of fixing pins 21 made of metal, a PCB card tray 22, and a plurality of pressing pins 23 made of soft material. The fixed thimble 21 can be made of copper and other alloys, mainly used for transmitting signals; the PCB board tray 22 is used for bearing a PCB board, and the PCB board is positioned in a space between the fixed thimble 21 and the pressing thimble 23; the pressing thimble 23 can move in the vertical direction and can abut against the PCB board card.

Referring to fig. 2 and 3, in order to limit the relative position between the plurality of fixed needles 21, a bottom plate 211 is fixedly connected to an end of the fixed needle 21 away from the pressing needle 23, and the bottom plate 211 is made of a non-conductive material. Meanwhile, after one end of the fixed thimble 21 passes through the bottom plate 211, the signal connection with the electric test cabinet 1 is realized through a cable, mainly for connecting the power supply 13 and transmitting the signal with the controller 12.

Because the position that different PCB integrated circuit boards need to be connected power 13 signal and controller 12 is different, for the convenience of changing different bottom plates 211, bottom plate 211 directly places on limiting plate 111, realizes dismantling the connection, is convenient for change.

Further, referring to fig. 1 and 2, since the fixed thimble 21 needs to be connected with a cable, a limiting groove 112 is formed on one side of the bottom plate 211 or the cabinet 11, and the length of the limiting groove 112 is not less than that of the PCB card. And the opening direction of the limiting groove 112 is vertically arranged, or is arranged at an angle with the horizontal direction, such as an angle of 30 degrees, 45 degrees or 60 degrees, which is convenient for a worker to connect the cable and fix the thimble 21. After the worker installs, take out the PCB integrated circuit board from spacing groove 112, settle on limiting plate 111.

Referring to fig. 1 and 2, the PCB board tray 22 is provided with a through hole 221 at a position where the PCB board needs to be connected to the fixing thimble 21, so as to facilitate direct connection; meanwhile, in order to stabilize the position of the PCB board, the PCB board tray 22 is provided with an avoiding groove 222 at a higher position of the component, so that the PCB board can more stably limit the position of the PCB board.

Similar to the fixed thimble 21, the end of the pressing thimble 23 far away from the fixed thimble 21 is fixedly connected with the same top plate 231, in the embodiment of the present application, the pressing thimble 23 may be distributed in a rectangular array, and mainly abuts against the edge of the PCB board card.

Referring to fig. 1 and 2, in order to meet the requirement that the pressing thimble 23 presses the PCB board, the top plate 231 is driven by the driving member 232 to realize the function of moving in the vertical direction. The driving member 232 may be a cylinder, or an electric telescopic rod.

One side of the top plate 231 away from the pressing thimble 23 is fixedly connected to the driving end of the driving element 232, and the fixed end of the driving element 232 is fixedly connected to the top of the inner side of the cabinet 11. The drive control terminal of the driver 232 is signal-connected to the controller 12, and the unit terminal of the driver 232 is signal-connected to the power supply 13.

Referring to fig. 1 and 3, the display module 3 includes a display 31 in signal connection with the controller 12, in this embodiment, the display 31 may be configured as one of a liquid crystal display 31, a plasma display 31, an electroluminescent display 31, an organic electroluminescent display 31, a field emission display 31, a projection display 31, or an LED display screen

The display 31 can be arranged on one side of the cabinet body 11, and can also be directly and independently arranged, so that the staff can conveniently check the display.

The implementation principle of the circuit PCB board card testing device in the embodiment of the application is as follows: the staff selects the corresponding bottom plate 211 according to the PCB board card to be tested, connects the cable, and then places the cable on the limiting plate 111. The PCB to be tested is placed on the PCB tray 22, so that the terminals on the back of the PCB are ensured to be in one-to-one correspondence with the fixed thimbles 21, and the purpose of signal connection can be achieved. Then the driving element 232 drives the pressing thimble 23 to move towards the direction close to the fixed thimble 21, so as to ensure that the wiring between the PCB board card and the fixed thimble 21 is good; and at the same time, it is determined whether the PCB board and the component can be just clamped in the avoiding groove 222.

If the PCB board card and the components can be clamped in the avoiding groove 222, it is indicated that the size of the PCB board card meets the requirement, at the moment, the test software is started, the normal on-off function of the PCB board card is tested, the test result is displayed through the display 31, the test result is convenient for a worker to check, and therefore the purpose of quickly and accurately obtaining the test result can be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a circuit PCB integrated circuit board testing arrangement which characterized in that includes:

the test electric cabinet (1) comprises a cabinet body (11), a controller (12) and a power supply (13) which are in signal connection;

the PCB board test bench (2) comprises a plurality of fixed thimbles (21), a PCB board tray (22) and a plurality of pressing thimbles (23), wherein the PCB board tray (22) is provided with avoidance grooves (222) along components of a PCB board, and through holes (221) are formed along the fixed thimbles (21); the PCB board is positioned between the fixed thimble (21) and the pressing thimble (23), and one end, far away from the pressing thimble (23), of the fixed thimble (21) is connected with the test electric cabinet (1) in a signal mode; and the number of the first and second groups,

a display module (3) comprising a display (31) in signal connection with the controller (12);

when the PCB board card is installed, the wiring end of the PCB board card is electrically connected with the fixed ejector pin (21), and the pressing ejector pin (23) abuts against the PCB board card.

2. The circuit PCB board card testing device as claimed in claim 1, wherein one end of the pressing thimble (23) far away from the fixed thimble (21) is fixedly connected with a same top plate (231), and the top plate (231) is movably arranged along a vertical direction.

3. The circuit PCB board card testing device as claimed in claim 2, wherein a driving end of a driving member (232) is arranged on a side of the top plate (231) away from the pressing thimble (23), a fixed end of the driving member (232) is fixedly connected to the top of the inner side of the cabinet body (11), and the driving member (232) is in signal connection with the controller (12).

4. The circuit PCB board card testing device of claim 1, wherein one side of the cabinet body (11) is provided with an opening, the cabinet body (11) is provided with a safety grating (113) at the opening, and an output end signal of the safety grating (113) is connected to the controller (12).

5. A circuit PCB board card testing device according to claim 4, characterized in that the controller (12) is further signally connected with an alarm (121) and a power supply (13) switch (122); when the safety grating (113) outputs a high-level signal, the controller (12) controls the alarm (121) to alarm and the power supply (13) switch (122) to be switched off.

6. The circuit PCB board card testing device as claimed in claim 1, wherein one end of the fixed thimble (21) far away from the pressing thimble (23) is fixedly connected with a bottom plate (211), and the fixed thimble (21) passes through the bottom plate (211) to be connected with the testing electric cabinet (1) through a cable signal.

7. The circuit PCB board card testing device as claimed in claim 6, wherein the bottom plate (211) is clamped to the cabinet body (11); and one side of the cabinet body (11) is provided with a limiting groove (112), and the opening direction of the limiting groove (112) and the horizontal direction are arranged at an angle.

8. The device for testing the circuit PCB board card of claim 7, wherein the cabinet (11) extends inwards to form a limiting plate (111), and the edge of the bottom plate (211) abuts against the limiting plate (111).

9. A circuit PCB board test device according to claim 1, wherein the display (31) is provided as one of a liquid crystal display, a plasma display, an electroluminescent display, an organic electroluminescent display, a field emission display, a projection display or a LED screen.