CN213750270U

CN213750270U - Voltage withstand tester for switching power supply production

Info

Publication number: CN213750270U
Application number: CN202022887570.0U
Authority: CN
Inventors: 缪晓忠
Original assignee: Ningde Lingyang Electronic Technology Co ltd
Current assignee: Ningde Lingyang Electronic Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-20
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a switching power supply produces withstand voltage tester, which comprises a housin, two sets of exhaust box of the equal fixedly connected with in both ends of casing, exhaust box's inside is provided with the fan, the one end of fan is provided with first fastening bolt, the fan is through first fastening bolt and exhaust box fixed connection, exhaust box's inside is provided with first filter screen, the one end of first filter screen is provided with second fastening bolt, first filter screen passes through second fastening bolt and exhaust box fixed connection, exhaust box's one end is provided with the shutter. The utility model discloses in, two sets of fans of setting can dispel the heat to the organism, can keep away the instrument organism overheated to the organism damage that causes can reduce the inside that external dust entered into the withstand voltage tester through the first filter screen and the second filter screen that set up, plays dirt-proof effect.

Description

Voltage withstand tester for switching power supply production

Technical Field

The utility model relates to a withstand voltage tester field especially relates to a switching power supply produces withstand voltage tester.

Background

The withstand voltage tester may be called an electrical insulation strength tester, a dielectric strength tester, or the like according to its function. The working principle is as follows: a voltage higher than the normal working voltage is applied to the insulator of the tested device for a specified time, and the voltage applied to the insulator only generates small leakage current, so that the insulation is good. The program control power module, the signal acquisition conditioning module and the computer control system form a test system. 2 indexes of the pressure resistance instrument are selected: the maximum output voltage value and the maximum alarm current value.

When using, the existing voltage-withstanding tester for switching power supply production is poor in self heat dissipation capability, and the body of the voltage-withstanding tester is easy to overheat when the voltage-withstanding tester works for a long time, so that the body is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a voltage resistance tester for the production of a switching power supply.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a switching power supply production withstand voltage tester comprises a shell, wherein two ends of the shell are fixedly connected with two groups of air exhaust boxes, a fan is arranged in each air exhaust box, a first fastening bolt is arranged at one end of the fan, the fan is fixedly connected with an air exhaust box through the first fastening bolt, a first filter screen is arranged in each air exhaust box, a second fastening bolt is arranged at one end of each first filter screen, the first filter screen is fixedly connected with the air exhaust box through the second fastening bolt, a louver is arranged at one end of each air exhaust box, a third fastening bolt is arranged at one end of the louver, the louver is fixedly connected with the air exhaust box through the third fastening bolt, through grooves are formed in two ends of the shell, a second filter screen is arranged in each through groove, and four groups of moving mechanisms are fixedly connected to the lower end of the shell;

the moving mechanism comprises a fixed block, an adjusting groove is formed in the fixed block, a fixed rod is fixedly connected to one side of the inner wall of the adjusting groove, a spring is arranged in the adjusting groove, the fixed rod is located inside the spring, a movable plate is connected to the outer surface of the fixed rod in a sliding mode, sliding grooves are formed in the upper end and the lower end of the movable plate, two sets of sliding blocks are fixedly connected to the inner wall of the adjusting groove, the sliding grooves are connected with the sliding blocks in a sliding mode, the adjusting groove is connected with an adjusting block in a sliding mode, a rotating shaft is connected to the inner portion of the adjusting block in a rotating mode, idler wheels are fixedly connected to the outer surface of the rotating shaft, a connecting plate is fixedly connected to the front face of the movable plate, and supporting legs are fixedly connected to the lower end of the fixed block.

As a further description of the above technical solution:

the spring is located on one side of the moving plate and located between the two groups of sliding blocks.

As a further description of the above technical solution:

the adjusting groove is arranged in a T shape, and the adjusting block is located at the lower end of the moving plate.

As a further description of the above technical solution:

the upper end fixedly connected with of casing ventilates the case, a plurality of groups through-hole have been seted up to the upper end of casing.

As a further description of the above technical solution:

the upper end sliding connection of case ventilates has the slide, the through-hole is located the inside of case ventilates.

As a further description of the above technical solution:

the lower end of the shell is fixedly connected with four groups of threaded rods, and the four groups of threaded rods are uniformly distributed on the lower end face of the shell.

As a further description of the above technical solution:

the outer surface threaded connection of threaded rod has the sleeve, telescopic lower extreme fixedly connected with sucking disc.

As a further description of the above technical solution:

the first filter screen is positioned between the fan and the louver, and the through groove is communicated with the exhaust box.

The utility model discloses following beneficial effect has:

1. the utility model discloses a two sets of fans that set up can dispel the heat to the organism, can keep away the instrument organism overheated to the organism damage that causes can reduce the inside that external dust entered into the withstand voltage tester through the first filter screen and the second filter screen that set up, plays dirt-proof effect.

2. The utility model discloses a first fastening bolt, second fastening bolt and the third fastening bolt that set up, the dismantlement and the installation of shutter, first filter screen and fan of can being convenient for, the washing of shutter and first filter screen of also being convenient for simultaneously.

3. The utility model discloses a gyro wheel that sets up, the removal of the instrument of can being convenient for, through the spring and the movable plate that set up, can realize the release of gyro wheel and pack up through the position of adjusting movable plate and regulating block to the removal and the placing of the instrument of being convenient for.

4. The utility model discloses a threaded rod that sets up can adjusting sleeve's height, and then can the adjusting instrument the height, through setting up the sucking disc, can be convenient for placing of instrument for the instrument is when placing, and is more stable.

Drawings

Fig. 1 is a front cross-sectional view of a voltage withstand tester for switching power supply production provided by the utility model;

fig. 2 is a top view of a voltage withstanding tester for switching power supply production according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 1;

fig. 4 is a front view of a moving mechanism of a withstand voltage tester for switching power supply production provided by the utility model;

fig. 5 is a front view of a moving mechanism of a withstand voltage tester for switching power supply production, which is provided by the utility model, with rollers removed;

fig. 6 is a partial schematic perspective view of the voltage withstanding tester for switching power supply production according to the present invention.

Illustration of the drawings:

1. a housing; 2. a ventilation box; 3. a fan; 4. an exhaust box; 5. a blind window; 6. a first filter screen; 7. a second filter screen; 8. a sleeve; 9. a suction cup; 10. a threaded rod; 11. a moving mechanism; 12. a slide plate; 13. a through hole; 14. a first fastening bolt; 15. a second fastening bolt; 16. a third fastening bolt; 17. a through groove; 18. an adjustment groove; 19. a slider; 20. fixing the rod; 21. supporting legs; 22. a spring; 23. a roller; 24. a rotating shaft; 25. moving the plate; 26. a chute; 27. a connecting plate; 28. a fixed block; 29. and a regulating block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a switching power supply production withstand voltage tester comprises a shell 1, wherein the upper end of the shell 1 is fixedly connected with a ventilation box 2, the upper end of the shell 1 is provided with a plurality of groups of through holes 13 which can facilitate ventilation and heat dissipation of an instrument, the upper end of the ventilation box 2 is slidably connected with a sliding plate 12, the through holes 13 are positioned inside the ventilation box 2, and can realize opening and closing of the through holes 13 through the sliding plate 12, two groups of exhaust boxes 4 are fixedly connected with two ends of the shell 1, a fan 3 is arranged inside the exhaust boxes 4 and can dissipate heat of the machine body and prevent the machine body of the instrument from overheating so as to damage the machine body, one end of the fan 3 is provided with a first fastening bolt 14, the fan 3 is fixedly connected with the exhaust box 4 through the first fastening bolt 14 and can facilitate installation and disassembly of the exhaust boxes 4, the inside of the exhaust boxes 4 is provided with a first filter screen 6, the dust-proof device has the advantages that the dust entering the interior of the pressure tester can be reduced by the aid of the arranged first filter screen 6, a dust-proof effect is achieved, the second fastening bolt 15 is arranged at one end of the first filter screen 6, the first filter screen 6 is fixedly connected with the exhaust box 4 through the second fastening bolt 15, the first filter screen 6 can be conveniently mounted and dismounted, the louver 5 is arranged at one end of the exhaust box 4, heat dissipation of the tester can be facilitated, the third fastening bolt 16 is arranged at one end of the louver 5, the louver 5 is fixedly connected with the exhaust box 4 through the third fastening bolt 16, the louver 5 can be conveniently mounted and dismounted, the first filter screen 6 is positioned between the fan 3 and the louver 5, the through grooves 17 are formed in the two ends of the shell 1, the through grooves 17 are communicated with the exhaust box 4, and the second filter screen 7 is arranged in the through grooves 17, through the second filter screen 7 that sets up, can reduce the inside that external dust enters into the withstand voltage tester, play dirt-proof effect, the lower extreme fixedly connected with four sets of moving mechanism 11 of casing 1.

The moving mechanism 11 comprises a fixed block 28, an adjusting groove 18 is formed in the fixed block 28, the adjusting groove 18 is arranged in a T shape, a fixed rod 20 is fixedly connected to one side of the inner wall of the adjusting groove 18, a spring 22 is arranged inside the adjusting groove 18, the fixed rod 20 is located inside the spring 22, a moving plate 25 is slidably connected to the outer surface of the fixed rod 20, sliding grooves 26 are formed in the upper end and the lower end of the moving plate 25, two sets of sliding blocks 19 are fixedly connected to the inner wall of the adjusting groove 18, the sliding grooves 26 are slidably connected with the sliding blocks 19 and can limit the movement of the moving plate 25, the spring 22 is located on one side of the moving plate 25, the spring 22 is located between the two sets of sliding blocks 19, an adjusting block 29 is slidably connected to the inside of the adjusting groove 18, the adjusting block 29 is located at the lower end of the moving plate 25, and a rotating shaft 24 is rotatably connected to the inside of the adjusting block 29, the outer surface of the rotating shaft 24 is fixedly connected with a roller 23, so that the instrument can be conveniently moved, the front surface of the moving plate 25 is fixedly connected with a connecting plate 27, the moving plate 25 is moved to one end close to the spring 22 by pulling the connecting plate 27, then the roller 23 is lifted upwards, the adjusting block 29 slides upwards until the adjusting block 29 moves to the topmost end of the adjusting groove 18, the connecting plate 27 is loosened, the spring 22 rebounds to enable the moving plate 25 to move to the lower end of the adjusting block 29, the adjusting block 29 is locked, the position of the moving plate 25 and the position of the adjusting block 29 can be adjusted through the arranged spring 22 and the moving plate 25, the roller 23 is released and retracted, so that the instrument can be conveniently moved and placed, and the lower end of the fixing block 28 is fixedly connected with a supporting leg 21.

Four threaded rods 10 of lower extreme fixedly connected with of casing 1, four groups threaded rod 10 distributes evenly on the lower terminal surface of casing 1, the surface threaded connection of threaded rod 10 has sleeve 8, through the threaded rod 10 that sets up, can adjust sleeve 8's height, and then can adjust the height of instrument, the lower extreme fixedly connected with sucking disc 9 of sleeve 8 can be convenient for placing of instrument for the instrument is when placing, and is more stable.

The working principle is as follows: firstly, a pressure tester is placed at a corresponding position, then the position of the instrument is adjusted through a roller 23, after the instrument is adjusted to the corresponding position, the sleeve 8 is enabled to move downwards on a threaded rod 10 through rotating the sleeve 8 until a sucker 9 at the lower end of the sleeve 8 is contacted with and adsorbed on a horizontal plane, the instrument can be conveniently placed through arranging the sucker 9, so that the instrument is more stable when being placed, then a connecting plate 27 is pulled, a moving plate 25 is enabled to move towards one end close to a spring 22, then the roller 23 is lifted upwards, an adjusting block 29 slides upwards until the adjusting block 29 moves to the topmost end of an adjusting groove 18, the connecting plate 27 is released, the spring 22 rebounds, the moving plate 25 moves to the lower end of the adjusting block 29, the adjusting block 29 is locked, and the positions of the adjusting block 25 and the adjusting block 29 can be adjusted through the spring 22 and the moving plate 25 arranged on the moving plate, realize gyro wheel 23's release and pack up, thereby be convenient for the removal and the placing of instrument, then start the instrument and begin work, pull open slide 12, make through-hole 13 expose in the external world, then start fan 3, can dispel the heat to the organism, first filter screen 6 and second filter screen 7 through setting up, can reduce the inside that external dust enters into the withstand voltage tester, play dirt-proof effect, when carrying out the deashing to the instrument, take off first fastening bolt 14 with the instrument, second fastening bolt 15 and third fastening bolt 16, can accomplish shutter 5, the dismantlement of first filter screen 6 and fan 3, can wash shutter 5 and first filter screen 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a switching power supply produces withstand voltage tester, includes casing (1), its characterized in that: the two ends of the shell (1) are fixedly connected with two sets of air exhaust boxes (4), a fan (3) is arranged inside each air exhaust box (4), a first fastening bolt (14) is arranged at one end of each fan (3), each fan (3) is fixedly connected with each air exhaust box (4) through the corresponding first fastening bolt (14), a first filter screen (6) is arranged inside each air exhaust box (4), a second fastening bolt (15) is arranged at one end of each first filter screen (6), each first filter screen (6) is fixedly connected with each air exhaust box (4) through the corresponding second fastening bolt (15), a blind window (5) is arranged at one end of each air exhaust box (4), a third fastening bolt (16) is arranged at one end of each blind window (5), each blind window (5) is fixedly connected with each air exhaust box (4) through the corresponding third fastening bolt (16), and through grooves (17) are formed in the two ends of the shell (1), a second filter screen (7) is arranged in the through groove (17), and four groups of moving mechanisms (11) are fixedly connected to the lower end of the shell (1);

the moving mechanism (11) comprises a fixed block (28), an adjusting groove (18) is formed in the fixed block (28), a fixed rod (20) is fixedly connected to one side of the inner wall of the adjusting groove (18), a spring (22) is arranged inside the adjusting groove (18), the fixed rod (20) is located inside the spring (22), a moving plate (25) is connected to the outer surface of the fixed rod (20) in a sliding mode, sliding grooves (26) are formed in the upper end and the lower end of the moving plate (25), two groups of sliding blocks (19) are fixedly connected to the inner wall of the adjusting groove (18), the sliding grooves (26) are connected with the sliding blocks (19) in a sliding mode, an adjusting block (29) is connected to the inner portion of the adjusting groove (18) in a sliding mode, a rotating shaft (24) is connected to the inner portion of the adjusting block (29), and idler wheels (23) are fixedly connected to the outer surface of the rotating shaft (24), the front surface of the moving plate (25) is fixedly connected with a connecting plate (27), and the lower end of the fixed block (28) is fixedly connected with a supporting leg (21).

2. The switching power supply production withstand voltage tester according to claim 1, characterized in that: the spring (22) is positioned on one side of the moving plate (25), and the spring (22) is positioned between the two groups of sliding blocks (19).

3. The switching power supply production withstand voltage tester according to claim 1, characterized in that: the adjusting groove (18) is arranged in a T shape, and the adjusting block (29) is positioned at the lower end of the moving plate (25).

4. The switching power supply production withstand voltage tester according to claim 1, characterized in that: the upper end of the shell (1) is fixedly connected with a ventilation box (2), and a plurality of groups of through holes (13) are formed in the upper end of the shell (1).

5. The switching power supply production withstand voltage tester according to claim 4, characterized in that: the upper end sliding connection of ventilation case (2) has slide (12), through-hole (13) are located ventilation case's (2) inside.

6. The switching power supply production withstand voltage tester according to claim 1, characterized in that: the lower end of the shell (1) is fixedly connected with four groups of threaded rods (10), and the four groups of threaded rods (10) are uniformly distributed on the lower end face of the shell (1).

7. The switching power supply production withstand voltage tester according to claim 6, characterized in that: the outer surface threaded connection of threaded rod (10) has sleeve (8), the lower extreme fixedly connected with sucking disc (9) of sleeve (8).

8. The switching power supply production withstand voltage tester according to claim 1, characterized in that: the first filter screen (6) is located between the fan (3) and the louver (5), and the through groove (17) is communicated with the exhaust box (4).