Withstand voltage detection equipment for PCB (Printed Circuit Board)

Abstract

The utility model relates to the field of PCB detection, in particular to a withstand voltage detection device for a PCB. Comprising a detection table, and a calibration plate of an L-shaped structure is arranged at one corner of a detection area; the annular outer edge of the detection area is also provided with a fastener; the fastening piece comprises a mounting plate, a fastening plate and a fastening rod; a testing structure is arranged on the back plate and comprises a rotating motor, a rotating shaft, a guide rod, a mounting seat and a testing needle; the rotating motor is mounted on the back plate through a bracket; an output shaft of the rotating motor is connected with the rotating shaft; the guide rod is arranged on the back plate and is parallel to the rotating shaft; the mounting seat penetrates through the rotating shaft and is in threaded connection with the rotating shaft; meanwhile, the mounting seat also penetrates through the guide rod, and the mounting seat and the guide rod are in sliding connection; the test needles are installed on the installation seat and used for carrying out electrified withstand voltage test operation on the aluminum substrate, and the distance between the two test needles is adjustable. The device is simple in operation, facilitates the fixation of the PCB, can be suitable for the withstand voltage detection of various PCBs with various specifications, and is more practical.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board testing, in particular to a voltage withstand detection device for a PCB circuit board. Background Art

[0002] PCB, whose Chinese name is printed circuit board, also known as printed wiring board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Since it is made by electronic printing technology, it is called a "printed" circuit board. In the production process of PCB circuit boards, it is often necessary to perform voltage withstand detection on PCB circuit boards, but the traditional voltage withstand detection device for PCB circuit boards has poor use effects.

[0003] Searching the prior art "CN 216847886 U, a voltage withstand tester for PCB circuit boards", it is recorded that "The utility model discloses a voltage withstand tester for PCB circuit boards, which relates to the technical field of voltage withstand testers, and solves the technical problems that the voltage withstand testers on the current market are not convenient to fix the circuit board, resulting in easy deviation of the circuit board, thus affecting the detection effect, and the existing voltage withstand testers cannot be applied to circuit boards of different thicknesses, and are prone to damage the circuit board when testing the circuit board; including a base, the top of the base is fixedly connected with a support plate, the top of the support plate is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a cylinder, the output end of the cylinder is provided with a voltage test main body, the top of the base is fixedly connected with a mounting seat, a placement groove is opened at the top of the mounting seat, and a fixing component is arranged inside the mounting seat; the utility model has the function of facilitating the fixing and taking of the circuit board".

[0004] However, the voltage withstand tester for PCB circuit boards of the above prior art still has the following disadvantages: First, the effect of fixing the position of the PCB circuit board is not good; the "fixing component" adopted in the voltage withstand tester for the above PCB circuit board has a relatively complex structure, resulting in cumbersome operation and reducing the test efficiency to a certain extent. Second, there are many specifications and models of PCB circuit boards, with different sizes, and the positive and negative electrode positions of the PCB circuit boards are different, that is, the distance between the positive and negative electrodes is different, while the traditional voltage withstand tester for PCB circuit boards does not have such a structure and cannot be applied to the detection of diversified PCB circuit boards. Summary of the Invention

[0005] In order to solve the above-mentioned disadvantages and deficiencies in the detection of PCB circuit boards in the prior art, the utility model provides a voltage withstand detection device for PCB circuit boards with a reasonable structural design, simple operation, convenient for fixing the PCB board, and applicable to the detection of diversified and multi-specification PCB boards.

[0006] To achieve the above object, the utility model adopts the following technical solution: A PCB circuit board withstand voltage detection device, including a detection table, which is distributed left and right; a detection area is provided at the center of the detection table, and a calibration plate with an L-shaped structure is provided at one corner of the detection area; a fastening member is further provided at the outer circular edge of the detection area; the fastening member is at least one group, and includes a mounting plate, a fastening plate and a fastening rod; the mounting plate has an L-shaped structure, and one side is fixedly installed on the detection table, the fastening rod passes through the side wall of the mounting plate and is vertically distributed, the fastening plate is arranged in the L-shaped cavity of the mounting plate, and one end is connected to the fastening rod through a bearing; an L-shaped back plate is further provided at the rear of the detection table, and a testing structure is arranged on the back plate, the testing structure includes a rotating motor, a rotating shaft, a guide rod, a mounting seat and a testing needle; the rotating motor is installed on the back plate through a bracket, the rotating shafts are distributed left and right and are arranged on the left and right side walls of the back plate, and the output shaft of the rotating motor is connected to the rotating shaft; the guide rod is arranged on the back plate and is parallel to the rotating shaft; the mounting seat passes through the rotating shaft and is in threaded connection with each other; at the same time, the mounting seat also passes through the guide rod and is in sliding connection with each other; the testing needle is installed on the mounting seat and is used for performing a withstand voltage test operation of energizing the aluminum substrate, and the distance between the two testing needles is adjustable.

[0007] Preferably, a horizontally distributed guide post is further provided on one side of the fastening plate, and a vertically distributed guide groove is further provided on the side wall of the mounting plate, and the guide post is matched and installed with the guide groove.

[0008] Further preferably, a moving motor is further provided at the end of the fastening rod, and the moving motor is installed on the mounting plate through a bracket.

[0009] Preferably, a lifting member is further provided between the testing needle and the mounting seat, and the lifting member includes an electric lifting rod and a carrier; one end of the electric lifting rod is connected to the mounting seat and the other end is connected to the carrier, the carriers are distributed front and back, and the testing needle is installed on the carrier.

[0010] Further preferably, the testing needle includes a positive testing needle and a negative testing needle; and both the positive testing needle and the negative testing needle are connected to an external power supply through wires.

[0011] Further preferably, front and back distributed moving grooves are provided on the carrier; two sliders are slidably installed in a matching manner at the moving grooves, a mounting hole is provided on one side of the slider for installing the testing needle, and the slider is fastened and positioned through a fixing bolt.

[0012] Further preferably, scale lines are further provided at the moving grooves.

[0013] The beneficial effects of the present utility model compared with the prior art are as follows: The structure of the present utility model is reasonably designed. By setting a detection area and a calibration plate, it is convenient to place the PCB board and provide an efficient positioning effect. By setting an installation plate, a fastening plate, a fastening rod and a moving motor in cooperation, one-key control can be achieved, the operation is simple, and it is convenient to quickly fasten the PCB board. At the same time, a rotating motor, a rotating shaft, a guide rod, a mounting seat and test pins are further set to realize the left and right position movement adjustment of the positive and negative test pins, and the height adjustment is realized through an electric lifting rod. The prominent design adopts the form of cooperation of a moving groove, a slider and a fixing bolt to realize the arbitrary adjustment of the distance between the positive and negative test pins, and can be widely applied to the withstand voltage test operations of PCB circuit boards of various specifications, models and sizes, with higher efficiency and stronger practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is a schematic structural view of the fastening member of the present utility model;

[0017] Figure 3 is Figure 2 an enlarged view of the structure of part A in

[0018] Figure 4 is a schematic distribution view of the test pins of the present utility model.

[0019] In the figure: 1 - detection table, 2 - detection area, 3 - calibration plate, 4 - fastening member, 41 - installation plate, 42 - fastening plate, 43 - fastening rod, 44 - guide post, 45 - guide groove, 46 - moving motor, 5 - back plate, 6 - test structure, 61 - rotating motor, 62 - rotating shaft, 63 - guide rod, 64 - mounting seat, 65 - test pin, 66 - positive test pin, 67 - negative test pin, 7 - lifting member, 71 - electric lifting rod, 72 - carrier, 73 - moving groove, 74 - slider, 75 - mounting hole, 76 - fixing bolt, 77 - scale line. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0021] It should be noted that in the specific implementation manners of the present utility model, relational terms such as "first" and "second" that may appear are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, terms such as "including", "comprising" or any other variants thereof may be intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, elements defined by the statement "including a..." etc. do not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0022] In the description of the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", and "provided with" may be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, or it may be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0023] Embodiment: As Figures 1 to 4 shown: A voltage withstand detection device for a PCB circuit board includes a detection table 1, which is distributed left and right; a lifting leg is provided at the lower end of the detection table to facilitate forming a stable support and at the same time can adjust the height of the detection table. Refer to Figure 2 shown: A detection area 2 is provided at the center of the detection table 1, and a calibration plate 3 with an L-shaped structure is provided at one corner of the detection area 2; arranged in this way, it is convenient to place the PCB circuit board and provide position calibration. A fastening member 4 is also provided at the annular outer edge of the detection area 2; the fastening member 4 is at least one group, such as Figure 3As shown: The fastening member 4 includes a mounting plate 41, a fastening plate 42, and a fastening rod 43; the mounting plate 41 is of an L-shaped structure, and one side is fixedly mounted on the inspection table 1. The fastening rod 43 passes through the side wall of the mounting plate 41 and is vertically distributed. The fastening plate 42 is arranged in the L-shaped cavity of the mounting plate 41, and one end is connected to the fastening rod 43 through a bearing; thus arranged, by rotating the fastening rod, the fastening plate is driven to move up and down. At the same time, in order to limit the fastening plate, a horizontally distributed guide post 44 is further provided on one side of the fastening plate 42, and a vertically distributed guide groove 45 is also provided on the side wall of the mounting plate 41. One end of the guide post 44 is fitted and installed with the guide groove 45, and the other end is fixedly connected to the fastening plate. A moving motor 46 is further provided at the end of the fastening rod 43, and the moving motor 46 is mounted on the mounting plate through a bracket. Thus arranged, a good guiding effect is provided for the fastening plate, and further the fastening effect of the fastening plate on the PCB circuit board is ensured.

[0024] As Figure 1 shown: In this embodiment, an L-shaped back plate 5 is further provided at the rear side of the inspection table 1, and a testing structure 6 is arranged on the back plate 5. Specifically, referring to Figure 4 shown: The testing structure 6 includes a rotating motor 61, a rotating shaft 62, a guide rod 63, a mounting seat 64, and a testing needle 65; the rotating motor 61 is mounted on the back plate 5 through a bracket, and the rotating motor uses a servo control motor. The rotating shaft 62 is distributed left and right and is arranged on the left and right side walls of the back plate 5. The rotating shaft is connected to the side wall of the back plate through a bearing. The output shaft of the rotating motor 61 is connected to the rotating shaft 62; the guide rod 63 is arranged on the back plate 5 and is parallel to the rotating shaft 62; to provide a guiding effect. The mounting seat 64 passes through the rotating shaft 62, and the two are in threaded connection; at the same time, the mounting seat 64 also passes through the guide rod 63 and is in sliding connection with the guide rod 63; thus arranged, when the rotating shaft rotates, it will drive the entire mounting seat to move left and right to adjust the position of the testing needle in the horizontal direction. The testing needle 65 is mounted on the mounting seat 64. Specifically, the testing needle 65 includes a positive testing needle 65 and a negative testing needle 65; and both the positive testing needle 65 and the negative testing needle 65 are connected to an external power supply through wires. Among them, the wires are long enough to perform a withstand voltage test operation for energizing the aluminum substrate.

[0025] Figure 4 ​As shown: In this embodiment, a lifting member 7 is further provided between the test probe 65 and the mounting base 64. Specifically, the lifting member 7 includes an electric lifting rod 71 and a carrier 72. One end of the electric lifting rod 71 is connected to the mounting base 64, and the other end is connected to the carrier 72. The carriers 72 are distributed front and back, and the test probe 65 is mounted on the carrier 72. And the distance between the two test probes 65 is adjustable. Specifically, moving grooves 73 distributed front and back are provided on the carrier 72; two sliders 74 are slidably mounted in a matching manner at the moving grooves 73. An installation hole 75 is provided on one side of the slider 74 for installing the test probe 65, and the slider 74 is fixed and positioned by a fixing bolt 76. Scale lines 77 are further provided at the moving grooves 73. With such a setting, the adjustment of the distance between the two test probes can be conveniently completed.

[0026] The structure of the present utility model is reasonably designed. By providing a detection area and a calibration plate, it is convenient to place the PCB board and provide an efficient positioning effect. By setting the mounting plate, the fastening plate, the fastening rod and the moving motor in cooperation, one-key control can be realized, the operation is simple, and it is convenient to quickly fasten the PCB board. At the same time, a rotating motor, a rotating shaft, a guide rod, a mounting base and a test probe are further provided to realize the left and right position movement adjustment of the positive and negative test probes, and the height adjustment is realized through the electric lifting rod. The prominent design adopts the form of cooperation of the moving groove, the slider and the fixing bolt to realize the arbitrary adjustment of the distance between the positive and negative test probes, and can be widely applied to the withstand voltage test operations of PCB circuit boards of various specifications, models and sizes, with higher efficiency and stronger practicability.

[0027] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A PCB circuit board withstand voltage detection device, characterized in that: It includes a detection table (1) which is distributed left and right; a detection area (2) is provided at the center of the detection table (1), and a calibration plate (3) with an L-shaped structure is provided at one corner of the detection area (2); a fastening member (4) is further provided at the annular outer edge of the detection area (2); the fastening member (4) is at least one group and includes a mounting plate (41), a fastening plate (42) and a fastening rod (43); the mounting plate (41) has an L-shaped structure and is fixedly mounted on one side of the detection table (1), the fastening rod (43) penetrates through the side wall of the mounting plate (41) and remains vertically distributed, the fastening plate (42) is arranged in the L-shaped cavity of the mounting plate (41), and one end is connected to the fastening rod (43) through a bearing; a back plate (5) with an L-shaped structure is further provided at the rear side of the detection table (1), a testing structure (6) is arranged on the back plate (5), and the testing structure (6) includes a rotating motor (61), a rotating shaft (62), a guide rod (63), a mounting seat (64) and a testing needle (65); the rotating motor (61) is mounted on the back plate (5) through a bracket, the rotating shafts (62) are distributed left and right and are arranged on the left and right side walls of the back plate (5), and the output shaft of the rotating motor (61) is connected to the rotating shaft (62); the guide rod (63) is arranged on the back plate (5) and is parallel to the rotating shaft (62); the mounting seat (64) penetrates through the rotating shaft (62) and is in threaded connection with each other; at the same time, the mounting seat (64) also penetrates through the guide rod (63) and is in sliding connection with each other; the testing needle (65) is mounted on the mounting seat (64) and is used for performing a withstand voltage test operation on the aluminum substrate, and the distance between the two testing needles (65) is adjustable.

2. The voltage withstand detection device for a PCB circuit board according to claim 1, characterized in that: A horizontally distributed guide post (44) is further provided on one side of the fastening plate (42), and a vertically distributed guide groove (45) is further provided on the side wall of the mounting plate (41), and the guide post (44) is fitted and mounted with the guide groove (45).

3. The voltage withstand detection device for a PCB circuit board according to claim 2, wherein: A moving motor (46) is further provided at the end of the fastening rod (43), and the moving motor (46) is mounted on the mounting plate through a bracket.

4. The voltage withstand detection device for a PCB circuit board according to claim 1, characterized in that: A lifting member (7) is further provided between the testing needle (65) and the mounting seat (64), and the lifting member (7) includes an electric lifting rod (71) and a carrier (72); one end of the electric lifting rod (71) is connected to the mounting seat (64), and the other end is connected to the carrier (72), the carriers (72) are distributed front and back, and the testing needle (65) is mounted on the carrier (72).

5. The voltage withstand detection device for a PCB circuit board according to claim 4, characterized in that: The testing needle (65) includes a positive testing needle (66) and a negative testing needle (67); and both the positive testing needle (66) and the negative testing needle (67) are connected to an external power supply through wires.

6. The voltage withstand detection device for a PCB circuit board according to claim 5, characterized in that: Moving grooves (73) distributed front and back are provided on the carrier (72); two sliders (74) are slidably mounted in a matching manner at the moving grooves (73), a mounting hole (75) is provided on one side of the slider (74) for mounting the testing needle (65), and the slider (74) is fastened and positioned through a fixing bolt (76).

7. The voltage withstand detection device for a PCB circuit board according to claim 6, characterized in that: Scale lines (77) are further provided at the moving grooves (73).

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