CN214845598U

CN214845598U - Program-controlled voltage-resistant tester

Info

Publication number: CN214845598U
Application number: CN202121533321.XU
Authority: CN
Inventors: 李登峰; 袁冬
Original assignee: Changzhou Blue Light Electronic Co ltd
Current assignee: Changzhou Blue Light Electronic Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-23
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a programme-controlled withstand voltage tester belongs to withstand voltage test equipment's technical field, including casing and circuit board, the casing includes bottom plate and sideboard, and the circuit board is placed on the bottom plate, and the bottom plate includes high-voltage portion and low voltage portion, is equipped with the supporting component who is used for supporting the circuit board that is located high-voltage portion on the bottom plate, and supporting component includes bracing piece and backup pad, and bracing piece and backup pad all adopt insulating material to make, and the one end of backup pad links to each other with the bracing piece, and the other end and the circuit board butt of backup pad. This application has and supports the circuit board to the supporting component who adopts insulating material, reduces the possibility that the circuit board produced the electric spark in the tester, improves the effect of the safety in utilization of tester.

Description

Program-controlled voltage-resistant tester

Technical Field

The application relates to the field of voltage-resistant test equipment, in particular to a program-controlled voltage-resistant tester.

Background

The withstand voltage tester is a tester for testing the maximum voltage that a device to be tested can bear, and generally applies a voltage higher than the working voltage to two ends of the device to be tested to detect the base voltage or the leakage current of the device to be tested, so as to judge the withstand voltage effect and the overall performance of the device to be tested. Typically, a high voltage region and a low voltage region are provided within the tester to allow for the detection of different components.

In view of the above-mentioned related technologies, the inventor believes that, due to the difference of voltage levels in the tester, after the higher voltage contacts the circuit board, the circuit board is prone to generate electric spark or breakdown, and there is a defect that the use safety of the tester is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the not good defect of tester safety in utilization, this application provides a programme-controlled withstand voltage tester.

The application provides a programme-controlled withstand voltage tester adopts following technical scheme:

the utility model provides a programme-controlled withstand voltage tester, includes casing and circuit board, the casing includes bottom plate and sideboard, the circuit board is placed on the bottom plate, the bottom plate includes high-voltage portion and low voltage portion, be equipped with the supporting component who is used for supporting the circuit board that is located high-voltage portion on the bottom plate, supporting component includes bracing piece and backup pad, bracing piece and backup pad all adopt insulating material to make, the one end of backup pad links to each other with the bracing piece, the other end and the circuit board butt of backup pad.

By adopting the technical scheme, the circuit board is supported by the insulating support rod and the support plate, so that the circuit board is separated from the high-voltage part, the circuit board is not easy to generate electric sparks under high voltage, and the use safety of the tester is improved.

Optionally, a clamping plate is arranged on the supporting rod, a clamping hole is formed in the circuit board, and the clamping plate is used for supporting the circuit board after penetrating through the clamping hole.

Through adopting above-mentioned technical scheme, when needing to place the circuit board on the bottom plate, the user manually extrudees the block board for bracing piece and block board laminating, and then the bracing piece can get into the block hole, and after the block board passed the block hole completely, the bracing piece was kept away from automatically to the block board, can carry out the block to the circuit board, makes the relative position relation between circuit board and the bracing piece fixed, realizes that the circuit board stably places on the bottom plate.

Optionally, a guide portion is arranged on the clamping plate, and the guide portion is used for guiding the clamping plate to enter the clamping hole.

By adopting the technical scheme, in the process that the supporting rod enters the clamping hole, the clamping plate automatically moves towards the supporting rod under the guidance of the guide part, the clamping plate conveniently and completely passes through the clamping hole, the clamping plate is far away from the supporting rod and slides to clamp the circuit board, a user does not need to manually extrude the clamping plate to move towards the supporting rod, and the operation of the user is simple and convenient.

Optionally, the bottom plate is provided with an installation rod, the support rod is provided with an installation hole, the installation hole is used for embedding the installation rod, and the installation rod is provided with a fixing assembly used for ensuring the stability of embedding of the installation rod and the installation hole.

Through adopting above-mentioned technical scheme, the bracing piece is connected with the bottom plate through the cooperation realization of installation pole and mounting hole, through the setting of fixed subassembly for the stability of being connected between bracing piece and the bottom plate is better, when needs change circuit board, can be through removing the fixed of fixed subassembly to bracing piece and bottom plate, can separate bracing piece and bottom plate, realizes the change to the circuit board.

Optionally, the fixing assembly comprises a threaded sleeve, the threaded sleeve is sleeved outside the mounting rod, and the mounting rod is in threaded fit with the mounting hole through the threaded sleeve.

By adopting the technical scheme, when the supporting rod is installed, after the installation rod is aligned with the installation hole, the supporting rod is rotated, and stable connection between the supporting rod and the bottom plate can be realized.

Optionally, the periphery of the supporting rod is provided with reinforcing ribs, and the reinforcing ribs are arranged along the circumferential direction of the supporting rod.

Through adopting above-mentioned technical scheme, the strengthening rib can effectively improve the bracing effect of bracing piece to the circuit board.

Optionally, fixed subassembly includes fixed block, actuating lever and intermediate lever, the fixed block slides and sets up on the installation pole, the actuating lever slides and sets up on the installation pole, the direction of sliding of the direction of sliding perpendicular to fixed block of actuating lever, fixed block and actuating lever pass through the intermediate lever and link to each other, be equipped with the fixed slot on the mounting hole inner wall, the fixed slot is used for supplying the fixed block gomphosis.

Through adopting above-mentioned technical scheme, the in-process that the mounting bar slided towards the mounting hole, actuating lever and mounting hole inner wall butt, and then drive the actuating lever and be close to the bottom plate and slide, drive the intermediate lever that links to each other with the actuating lever and rotate to the fixed block that the drive links to each other with the intermediate lever slides towards the bracing piece center, makes fixed block and fixed slot gomphosis, realizes the stable connection of bracing piece and mounting bar.

Optionally, the driving rod is coated with a damping layer.

Through adopting above-mentioned technical scheme, through the setting of damping layer for the relative position relation between actuating lever and the installation pole is fixed.

Optionally, a separation part is arranged on the fixing block and used for guiding the fixing block to be separated from the fixing groove.

Through adopting above-mentioned technical scheme, when needs change circuit board, the bottom plate slip is kept away from to the pulling bracing piece, under the direction of separation portion for the fixed block is kept away from the fixed slot and is slided, and the user can be convenient separates installation pole and bracing piece, thereby has realized the separation of circuit board and bottom plate.

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

1. the supporting rod for erecting the circuit board is arranged on the high-voltage part, and the supporting rod is made of an insulating material, so that the circuit board positioned on the high-voltage part is not easy to generate electric sparks or breakdown due to high voltage, and the use safety of the tester is improved;

2. the clamping plate automatically enters the clamping hole under the guidance of the guide part, and after entering the clamping hole, the clamping plate automatically moves away from the support rod after being restored to the original state, so that the circuit board is clamped, the circuit board is not easy to slide away from the bottom plate, the circuit board is supported by the support plate, and the circuit board is stably erected on the support rod through the mutual matching of the clamping plate and the support plate;

3. through the setting of fixed subassembly for the relation of connection between installation pole and the bracing piece is further fixed, and the effect of erectting the circuit board through the bracing piece is stable.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram showing an internal structure in embodiment 1 of the present application.

Fig. 3 is a schematic view of the overall structure of the support assembly in embodiment 1 of the present application.

Fig. 4 is an exploded view of the support pole and mounting pole of example 1 of the present application.

Fig. 5 is a schematic sectional view of a support bar and a mounting bar in embodiment 2 of the present application.

Description of reference numerals: 1. a housing; 11. a base plate; 111. a high-voltage part; 112. a low-pressure portion; 113. mounting a rod; 12. a side plate; 121. a butt joint plate; 2. a circuit board; 21. a clamping hole; 3. a support assembly; 31. a support bar; 311. reinforcing ribs; 312. mounting holes; 3121. fixing grooves; 313. a clamping plate; 314. a guide portion; 32. a support plate; 4. a fixing assembly; 41. a threaded sleeve; 42. a fixed block; 421. a separation section; 43. a drive rod; 431. a damping layer; 44. an intermediate lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a program-controlled voltage-resistant tester.

Example 1

Referring to fig. 1 and 2, a program control withstand voltage tester includes casing 1 and circuit board 2, and casing 1 includes bottom plate 11 and sideboard 12, and sideboard 12 encloses around bottom plate 11, and the sideboard 12 is close to the one end in bottom plate 11 center and is connected with butt plate 121, maintains the shape that sideboard 12 and bottom plate 11 enclose. The circuit board 2 is placed on the bottom plate 11, the bottom plate 11 comprises a high-voltage part 111 and a low-voltage part 112, and the bottom plate 11 is provided with a supporting component 3 for supporting the circuit board 2 positioned on the high-voltage part 111.

Referring to fig. 3 and 4, the supporting member 3 includes a supporting rod 31 and a supporting plate 32, the supporting rod 31 is connected to the bottom plate 11 through the fixing member 4, the supporting plate 32 is integrally formed with the supporting rod 31, the supporting plate 32 may be disposed in an arc shape or a flat plate shape, but the supporting plate 32 may be in any shape capable of supporting the circuit board 2, and the supporting plate 32 is in an arc shape in this embodiment. The support rod 31 and the support plate 32 are made of insulating materials, which may be polypropylene or polyethylene, but any material with insulating properties may be used, and polyethylene is selected in this embodiment.

Erect the circuit board 2 that is located high-voltage portion 111 through bracing piece 31, and because bracing piece 31 adopts insulating material to make, consequently higher voltage is difficult for making circuit board 2 produce electric spark or puncture, has improved the safety in utilization of tester, has prolonged the life of tester.

Referring to fig. 3 and 4, the periphery of the supporting rod 31 is wrapped with a plurality of reinforcing ribs 311, the length direction of the reinforcing ribs 311 is parallel to the central axis of the supporting rod 31, and the plurality of reinforcing ribs 311 are arranged in a circumferential array around the central axis of the supporting rod 31, so that the strength of the supporting rod 31 is improved, and the supporting effect of the supporting rod 31 on the circuit board 2 is improved.

Referring to fig. 1 and 4, in order to limit the circuit board 2 from sliding away from the bottom plate 11, an engaging plate 313 is integrally formed on the supporting rod 31, one end of the engaging plate 313 is connected to the top end of the supporting rod 31, and a deformation space is defined between the other end of the engaging plate 313 and the supporting rod 31. The clamping plate 313 is provided with a guide portion 314 at one end close to the support rod 31, the guide portion 314 is arranged in an arc shape, and the circuit board 2 is provided with a clamping hole 21. When the circuit board 2 is required to be mounted on the supporting rod 31, the guiding portion 314 firstly penetrates through the engaging hole 21, and then the engaging plate 313 abuts against the side line of the engaging hole 21, so as to compress the deformation space, so that the engaging plate 313 can penetrate through the engaging hole 21, after the engaging plate 313 completely penetrates through the engaging hole 21, the engaging plate 313 is restored under the self elasticity, that is, the deformation space is restored, the circuit board 2 can be engaged, through the mutual matching of the engaging plate 313 and the supporting plate 32, the stable erection of the circuit board 2 is realized, and the relative position relationship between the circuit board 2 and the supporting rod 31 is fixed.

Referring to fig. 3 and 4, the bottom plate 11 is provided with the mounting rod 113, the support rod 31 is provided with a mounting hole 312 corresponding to the mounting rod 113, and the mounting hole 312 is used for the mounting rod 113 to be fitted. The fixing component 4 includes a threaded sleeve 41, the threaded sleeve 41 is sleeved on the outer periphery of the mounting rod 113, and the threaded sleeve 41 is in threaded connection with the inner wall of the mounting hole 312. When the supporting rod 31 is installed, after the installation hole 312 is aligned with the installation rod 113, the supporting rod 31 can be rotated, and the supporting rod 31 is stably connected with the installation rod 113, that is, the stable connection between the supporting rod 31 and the bottom plate 11 is realized.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the fixing assembly 4 includes a fixing block 42, a driving rod 43 and an intermediate rod 44, the fixing block 42 is slidably disposed on the mounting rod 113, a sliding direction of the fixing block 42 is perpendicular to a central axis of the mounting rod 113, one end of the fixing block 42 close to the bottom plate 11 is provided with a separating portion 421, and the separating portion 421 is disposed in an arc shape. The inner wall of the mounting hole 312 is provided with a fixing groove 3121, the fixing groove 3121 is used for the fixing block 42 to be embedded, and the inner wall of the fixing groove 3121 away from the center of the support rod 31 is obliquely arranged. The driving rod 43 is slidably disposed on the mounting rod 113, the driving rod 43 slides along the central axis of the mounting rod 113, and in a normal state, the driving rod 43 is located outside the mounting rod 113, and the driving rod 43 is covered by the damping layer 431, so that the relative position relationship between the mounting rod 113 and the driving rod 43 is fixed. The driving rod 43 is connected with the fixed block 42 through the middle rod 44, one end of the middle rod 44 is hinged with the driving rod 43, the other end of the middle rod 44 is hinged with the fixed block 42, and the middle rod 44 is made of elastic materials.

When installing bracing piece 31 on bottom plate 11, align mounting hole 312 with installation pole 113, and towards bottom plate 11 bracing piece 31 that slides, and then actuating lever 43 and the butt of mounting hole 312 inner wall, make actuating lever 43 slide towards bottom plate 11, drive the intermediate lever 44 that links to each other with the actuation lever 43 is articulated to rotate, and then drive the fixed block 42 that links to each other with the intermediate lever 44 is articulated to slide towards fixed slot 3121, after installation pole 113 and the complete gomphosis of mounting hole 312, fixed block 42 is stable with the gomphosis of fixed slot 3121, thereby bracing piece 31 can stably erect circuit board 2. When the supporting rod 31 and the bottom plate 11 need to be separated, the supporting rod 31 is pulled to slide away from the bottom plate 11, the side line of the fixing groove 3121 is abutted through the separating part 421, and under the matching of the inclined inner wall of the fixing groove 3121, the fixing block 42 is driven to slide away from the center of the mounting rod 113, so that the supporting rod 31 and the bottom plate 11 can be separated.

The implementation principle of the program-controlled voltage-resistant tester in the embodiment of the application is as follows: the circuit board 2 is supported by the support rod 31 made of insulating materials, so that the circuit board 2 is not easy to generate electric spark or breakdown under high voltage, and the use safety of the tester is improved; meanwhile, the circuit board 2 is stably erected through the supporting plate 32 and the clamping plate 313, so that the connection between the circuit board 2 and the supporting rod 31 is stable; in addition, through the setting of fixed subassembly 4 for the connection between bracing piece 31 and the circuit board 2 is stable, supports circuit board 2 stably, further reduces the possibility that circuit board 2 takes place the electric spark, ensures the safety in utilization of tester.

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 programme-controlled withstand voltage tester, includes casing (1) and circuit board (2), its characterized in that: casing (1) includes bottom plate (11) and sideboard (12), place on bottom plate (11) circuit board (2), bottom plate (11) are including high-voltage part (111) and low-voltage part (112), be equipped with on bottom plate (11) and be used for supporting component (3) that are located circuit board (2) of high-voltage part (111), supporting component (3) are including bracing piece (31) and backup pad (32), bracing piece (31) and backup pad (32) all adopt insulating material to make, the one end of backup pad (32) links to each other with bracing piece (31), the other end and circuit board (2) butt of backup pad (32).

2. The programmable withstand voltage tester according to claim 1, characterized in that: the supporting rod (31) is provided with a clamping plate (313), the circuit board (2) is provided with a clamping hole (21), and the clamping plate (313) is used for limiting the circuit board (2) after penetrating through the clamping hole (21).

3. The programmable withstand voltage tester according to claim 2, characterized in that: the clamping plate (313) is provided with a guide part (314), and the guide part (314) is used for guiding the clamping plate (313) to enter the clamping hole (21).

4. The programmable withstand voltage tester according to claim 1, characterized in that: be equipped with installation pole (113) on bottom plate (11), be equipped with mounting hole (312) on bracing piece (31), mounting hole (312) are used for supplying installation pole (113) gomphosis, be equipped with on installation pole (113) and be used for the stable fixed subassembly (4) of guarantee installation pole (113) and mounting hole (312) gomphosis.

5. The programmable withstand voltage tester according to claim 4, characterized in that: the fixing component (4) comprises a threaded sleeve (41), the threaded sleeve (41) is sleeved outside the mounting rod (113), and the mounting rod (113) is in threaded fit with the mounting hole (312) through the threaded sleeve (41).

6. The programmable withstand voltage tester according to claim 1, characterized in that: the periphery of the support rod (31) is provided with reinforcing ribs (311), and the reinforcing ribs (311) are arranged along the circumferential direction of the support rod (31).

7. The programmable withstand voltage tester according to claim 4, characterized in that: fixed subassembly (4) include fixed block (42), actuating lever (43) and intermediate lever (44), fixed block (42) slide to be set up on installation pole (113), actuating lever (43) slide to be set up on installation pole (113), the slip direction of the slip direction perpendicular to fixed block (42) of actuating lever (43), fixed block (42) and actuating lever (43) link to each other through intermediate lever (44), be equipped with fixed slot (3121) on mounting hole (312) inner wall, fixed slot (3121) are used for supplying fixed block (42) gomphosis.

8. The programmable withstand voltage tester according to claim 7, wherein: the driving rod (43) is coated with a damping layer (431).

9. The programmable withstand voltage tester according to claim 7, wherein: the fixing block (42) is provided with a separating part (421), and the separating part (421) is used for guiding the fixing block (42) to be separated from the fixing groove (3121).