CN213600834U - Test device for PCBA board - Google Patents

Abstract

The utility model discloses a testing device for a PCBA board, comprising: a workbench, a test structure arranged on the workbench, a power supply structure and a display structure; wherein, the test structure comprises: a test structure for simultaneously carrying a plurality of groups to be A base for measuring the PCBA board, a probe test board disposed above the base and corresponding to the PCBA board to be tested on the base, and a driver for driving the probe test board to rise and fall; the power supply structure is communicated with an external power supply, and respectively provide power to each PCBA board to be tested on the base; the display structure includes: a display panel, a plurality of display screens are arranged on the display panel, and a plurality of the display screens correspondingly display the base Test results of different PCBA boards to be tested. The utility model can test a plurality of PCBA boards to be tested at the same time, and simultaneously display the results through the display screen, which not only facilitates the operation, but also greatly improves the detection efficiency of the PCBA boards.

Description

Test device for PCBA board

technical field

The utility model relates to the field of PCB manufacturing, in particular to a testing device for a PCBA board.

Background technique

PCBA (Printed Circuit Board Assembly) refers to the whole process of PCB (Printed Circuit Board, printed circuit board) through SMT (Surface Mounted Technology, surface mount technology), or through the entire process of DIP plug-in. The device is soldered to the PCB to form a PCBA board. The existing PCBA board can only perform single-piece loading and unloading and single-piece testing, which has low production efficiency and high work intensity.

Utility model content

The utility model provides a PCBA board testing device to solve the above technical problems existing in the prior art.

In order to solve the above technical problems, the present utility model provides a PCBA board testing device, comprising: a workbench, a test structure, a power supply structure and a display structure arranged on the workbench; wherein,

The test structure includes: a base for simultaneously carrying multiple groups of PCBA boards to be tested, a probe test board disposed above the base and corresponding to the PCBA boards to be tested on the base, and driving the probe test board to rise and fall the driver;

The power supply structure is communicated with an external power source, and provides power to each PCBA board to be tested on the base;

The display structure includes: a display case, a data receiving terminal disposed on the display case and connected to the base, a display panel disposed on the display case and connected to the data receiving terminal, and a display panel disposed on the display case and connected to the data receiving terminal. The main switch on the display panel to control the on-off of the display panel, wherein, the display panel is provided with a plurality of display screens, and the plurality of the display screens correspond to the detection of different PCBA boards to be tested on the base. result.

Preferably, a plurality of voltmeters and/or a plurality of ammeters are arranged at the bottom of the base, the voltmeters are connected in parallel with the corresponding PCBA boards to be tested, and the ammeters are connected in series with the corresponding PCBA boards to be tested.

Preferably, the voltmeter and/or ammeter are connected to the data receiving terminal through a data collector.

Preferably, the power supply structure includes: a conversion circuit and a rectifier circuit, the input end of the conversion circuit is connected to an external power source, and the output end of the conversion circuit is respectively connected to each of the PCBA boards to be tested through the rectifier circuit.

Preferably, both the conversion circuit and the rectification circuit are arranged in a power supply box, and the power supply box is provided with a plug for connecting with an external power source, and the plug is connected to the input end of the conversion circuit.

Preferably, the driver is mounted on the workbench through a test bracket, and the output end of the driver is connected to the probe test board.

Preferably, the base is further provided with guide posts, and two sides of the probe test board are provided with guide holes corresponding to the guide posts.

Preferably, the base is provided with several positioning grooves whose shape matches the PCBA board to be tested.

Compared with the prior art, the testing device of the PCBA board of the present invention includes: a workbench, a test structure arranged on the workbench, a power supply structure and a display structure; wherein, the test structure includes: A base carrying multiple groups of PCBA boards to be tested, a probe test board disposed above the base and corresponding to the PCBA boards to be tested on the base, and a driver for driving the probe test boards to rise and fall; the power supply structure and The external power supply is connected, and respectively provides power to each PCBA board to be tested on the base; the display structure includes: a display case, a data receiving terminal arranged on the display case and connected to the base, and a A display panel on the display chassis and connected to the data receiving terminal and a master switch arranged on the display panel to control the on-off of the display panel, wherein the display panel is provided with a plurality of display screens , a plurality of the display screens correspondingly display the detection results of different PCBA boards to be tested on the base. The utility model can test a plurality of PCBA boards to be tested at the same time, and simultaneously display the results through the display screen, which not only facilitates the operation, but also greatly improves the detection efficiency of the PCBA boards.

Description of drawings

Fig. 1 is the structural representation of the test device of the PCBA board of the present invention;

2 is a schematic structural diagram of a testing structure of a testing device for a PCBA board of the present invention.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

As shown in FIG. 1 to FIG. 2 , the present invention provides a PCBA board testing device, including: a workbench, a test structure 10 , a power supply structure 20 and a display structure 30 arranged on the workbench. The test structure 10 is used to carry and test the PCBA board to be tested, the power supply structure 20 is used to provide a test power supply for the test structure 10, and the display structure 30 is used to detect the test structure 10. The results are displayed in real time. The test structure 10 , the power supply structure 20 and the display structure 30 can be independently arranged on the workbench, or can be combined into one or two relatively integral structures before being set on the workbench.

As shown in FIGS. 1 and 2 , the test structure includes: a base 101 for simultaneously carrying multiple groups of PCBA boards to be tested, and probes disposed above the base 101 and corresponding to the PCBA boards to be tested on the base 101 The test board 102 and the driving member 103 for driving the probe test board 102 to rise and fall. Preferably, the test structure 10 further includes a test bracket 104 mounted on the workbench, preferably the probe test board 102 and the driver 103 are installed on the test bracket 104, and the base 101 can be It is directly installed on the test stand 104 , can also be installed on a workbench, and can also be installed on the power supply structure 20 or the display structure 30 . The position of the probe test board 102 corresponds to the position of the base 101 , and the driving member 103 can drive the probe test board 102 to descend, so as to make the probes on the probe test board 102 move the probes on the base 101 . The PCBA board to be tested is turned on to realize the power consumption detection of the PCBA board. After the detection is completed, the driving member 103 can also drive the probe test board 102 to rise, so that the probes on the probe test board 102 are separated from the PCBA board, so as to facilitate the unloading and loading of the PCBA board.

Further, a control box can be set at the bottom of the base 101, and a plurality of voltmeters and/or a plurality of ammeters are arranged in the control box, and the voltmeters are connected in parallel with the corresponding PCBA board to be tested, and the ammeters are connected in parallel. It is connected in series with the corresponding PCBA board to be tested. That is to say, each PCBA board in this embodiment is correspondingly connected with a set of voltmeter, ammeter and display screen. Each group of voltmeters and ammeters can form a detection loop with the corresponding PCBA board to be tested and the probes on the probe test board. The detection loop can detect the PCBA board, measure the voltage and current values of the PCBA board, and then determine Whether the PCBA board is qualified.

Preferably, the voltmeter and/or ammeter are connected to the data receiving terminal through a data collector, that is, the measurement results of the voltmeter and the ammeter can be transmitted to the display structure through the data collector.

The output end of the driver 103 is connected to the probe test board 102 . Preferably, the driving member may be a quick clamp for manual operation, or a flexible cylinder may be used. A quick clamp or a flexible air cylinder can drive the probe test board 102 to rise or fall.

Preferably, the base 101 is further provided with guide posts 105 , and both sides of the probe test board 102 are provided with guide holes 106 corresponding to the guide posts 105 . The guide post 105 cooperates with the guide hole 106 to guide the probe test board 102 to prevent the position of the probe test board 102 from being shifted.

Preferably, the base 101 is provided with several positioning grooves 107 whose shapes match the PCBA board to be tested, so as to facilitate the quick and accurate installation of the PCBA board.

The power supply structure 20 is in communication with an external power source, and provides power to each PCBA board to be tested on the base 101 respectively. Specifically, the power supply structure 20 includes: a conversion circuit and a rectification circuit. The input end of the conversion circuit is connected to an external power supply, and then the 220V power supply is connected and converted into a DC power supply for output, and the output end of the conversion circuit passes through The rectifier circuits are respectively connected to each of the PCBA boards to be tested, so as to provide a stable DC power supply for the PCBA boards. Both the conversion circuit and the rectification circuit are arranged in the power supply box 201, the power supply box 201 is provided with a plug for connecting with an external power supply, and the input end of the conversion circuit is connected to a 220V power supply through the plug. That is to say, the power supply structure 20 is connected to a 220V AC power supply, and converts it into a multi-channel 3.3V DC power supply and supplies it to each PCBA board to be tested. Further, the power supply box 201 may be separately arranged on the workbench, or may be arranged on the test stand 104, or the power supply box 201 may not be arranged, and the conversion circuit and the rectifier circuit may be directly arranged on the test stand 104. In the control box at the bottom of the base 101 , that is, the control box of the test stand 104 can simultaneously have the function of the power supply box 201 .

1, the display structure 30 includes: a display chassis 301, a data receiving terminal 302 disposed on the display chassis 301 and connected to the base 101, disposed on the display chassis 301 and connected to the A display panel 303 respectively connected to the data receiving terminals 302 and a master switch 304 arranged on the display panel 303 to control the on-off of the display panel 303, wherein the display panel 304 is provided with a plurality of display screens 305, and the Each of the display screens 305 correspondingly displays the detection results of different PCBA boards to be tested on the base 101 . Generally, the number of the display screens 305 is consistent with the number of the positioning grooves 106 of the PCBA board that can be carried on the base 101 , so that the detection results of all the PCBA boards can be displayed simultaneously. For convenience of correspondence, the PCBA board on the base 101 and the display screen 305 may be numbered respectively according to their positions, and the numbers of the two may be corresponding.

To sum up, the testing device of the PCBA board of the present invention includes: a workbench, a test structure 10 arranged on the workbench, a power supply structure 20 and a display structure 30; wherein, the test structure 10 includes: A base 101 for simultaneously carrying multiple groups of PCBA boards to be tested, a probe test board 102 disposed above the base 101 and corresponding to the PCBA boards to be tested on the base 101, and a drive for driving the probe test board 102 to rise and fall component 103; the power supply structure 20 is communicated with an external power supply, and supplies power to each PCBA board to be tested on the base 101; the display structure 30 includes: a display case 301, which is arranged on the display case 301 A data receiving terminal 302 connected to the base 101, a display panel 303 arranged on the display case 301 and connected to the data receiving terminal 302, and a display panel 303 arranged on the display panel 303 to control the display panel 303 is an on-off master switch 304 , wherein the display panel 304 is provided with a plurality of display screens 305 , and the plurality of display screens 305 correspondingly display the detection results of different PCBA boards to be tested on the base 101 . The utility model can test a plurality of PCBA boards to be tested at the same time, and simultaneously display the results through the display screen 305, which not only facilitates the operation, but also greatly improves the detection efficiency of the PCBA boards.

In the description herein, it should be understood that the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of description and simplified operation, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

In the description of this specification, reference to the description of the terms "an embodiment", "example" etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, the above are only the preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present utility model has been described in detail through the above embodiments, the present utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present utility model. Rather, the scope of the present invention is determined by the scope of the appended claims.

Claims (8)

1. a test device for a PCBA board, comprising: a workbench, a test structure, a power supply structure and a display structure arranged on the workbench; wherein, The test structure includes: a base for simultaneously carrying multiple groups of PCBA boards to be tested, a probe test board disposed above the base and corresponding to the PCBA boards to be tested on the base, and driving the probe test board to rise and fall the driver; The power supply structure is communicated with an external power source, and provides power to each PCBA board to be tested on the base; The display structure includes: a display case, a data receiving terminal disposed on the display case and connected to the base, a display panel disposed on the display case and connected to the data receiving terminal, and a display panel disposed on the display case and connected to the data receiving terminal. The main switch on the display panel to control the on-off of the display panel, wherein, the display panel is provided with a plurality of display screens, and the plurality of the display screens correspond to the detection of different PCBA boards to be tested on the base. result. 2. The test device of a PCBA board according to claim 1, wherein the base bottom is provided with a plurality of voltmeters and/or a plurality of ammeters, and the voltmeters are connected in parallel with the corresponding PCBA board to be tested, The ammeter is connected in series with the corresponding PCBA board to be tested. 3 . The PCBA board testing device according to claim 2 , wherein the voltmeter and/or ammeter are connected to the data receiving terminal through a data collector. 4 . 4. The PCBA board testing device according to claim 1, wherein the power supply structure comprises: a conversion circuit and a rectifier circuit, the input end of the conversion circuit is connected to an external power supply, and the output end of the conversion circuit The rectifier circuits are respectively connected to the PCBA boards to be tested. 5. The testing device of the PCBA board according to claim 4, wherein the conversion circuit and the rectifier circuit are both arranged in a power supply box, and the power supply box is provided with a plug for connecting with an external power supply, and the The plug is connected to the input end of the conversion circuit. 6 . The PCBA board testing device according to claim 1 , wherein the driving member is mounted on the workbench through a test bracket, and the output end of the driving member is connected to the probe test board. 7 . 7. The PCBA board testing device according to claim 1 or 6, characterized in that, the base is further provided with guide posts, and both sides of the probe test board are provided with corresponding guide posts. guide hole. 8 . The PCBA board testing device according to claim 1 , wherein the base is provided with several positioning grooves whose shapes match the PCBA board to be tested. 9 .

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