CN216526173U

CN216526173U - Withstand voltage tester with circuit protection function

Info

Publication number: CN216526173U
Application number: CN202123241734.3U
Authority: CN
Inventors: 田天; 杨栋; 何媛
Original assignee: Hubei Institute Of Measurement And Testing Technology
Current assignee: Hubei Institute Of Measurement And Testing Technology
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-13
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the field of a withstand voltage tester, in particular to a withstand voltage tester with a circuit protection function. According to the utility model, through the arrangement of the protective shell, the pressure-resistant tester body, the heat dissipation motor, the rotating shaft, the bearing, the rotor, the heat dissipation blades, the air supply plate, the mounting plate and the heat dissipation net, the heat dissipation motor can drive the rotating shaft and the rotor to rotate rapidly, the rotor can drive the heat dissipation blades to rotate and generate wind power to rapidly cool the pressure-resistant tester body by wind power, the air supply plate can send the returned wind power out again, finally the wind power can be discharged from the heat dissipation net, the pressure-resistant tester body is effectively cooled and dissipated by the simple and rapid mode, the safety and stability in use are ensured, and the use requirements of people are met.

Description

Withstand voltage tester with circuit protection function

Technical Field

The utility model relates to the technical field of voltage withstanding testers, in particular to a voltage withstanding tester with a circuit protection function.

Background

The electric insulation strength tester and the dielectric strength tester can be divided into an electric insulation strength tester, a dielectric strength tester and the like, the working principle of the electric insulation strength tester is that a voltage higher than the normal working voltage is applied to an insulator of a tested device, then the voltage applied to the insulator of the tested device generates a small leakage current after a certain time, the electric insulation performance is good, the voltage withstanding tester is mainly used for withstand voltage test of polyethylene-insulated power cables and also can be used for withstand voltage test of large-scale power transformers, and the voltage withstanding tester adopts an ultra-low frequency high voltage test method for withstand voltage of the power cables.

But the withstand voltage tester that has circuit protection function can produce certain temperature in the use, and the temperature is detained to pile up and is lasted after very easily leading to withstand voltage tester inside because of high temperature appears damaging or equipment scheduling problem that goes down, in case similar problem not only the maintenance is troublesome and the efficiency of using is influenced very much.

Therefore, it is highly desirable to provide a withstand voltage tester with circuit protection function.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the heat dissipation effect of a general voltage tester with a circuit protection function is poor, the utility model aims to provide a voltage tester with a circuit protection function.

The utility model provides a voltage-resistant tester with a circuit protection function, which comprises a protective shell, wherein a vibration reduction mechanism is fixedly arranged on the inner bottom wall of the protective shell, the top end of the vibration reduction mechanism is fixedly connected with a placing plate, the inner wall of the placing plate is movably connected with a voltage-resistant tester body, the top of the protective shell is fixedly connected with a fixed column, and one end of the fixed column is fixedly connected with a heat dissipation motor.

The output shaft of heat dissipation motor passes through shaft coupling fixedly connected with pivot, the outer wall fixedly connected with rotor of pivot, the outer wall fixedly connected with radiating vane of rotor, the interior roof fixedly connected with air supply plate of protecting crust, the front swing joint of protecting crust has the apron, one side swing joint of protecting crust has the mounting panel, one side swing joint of mounting panel has the screw pad, the inner wall fixedly connected with radiator-grid of mounting panel.

Preferably, the bottom fixedly connected with stand of protecting crust, the bottom fixedly connected with heel brace of stand, stand and heel brace have given the stable balanced holding power of protecting crust.

Preferably, damping mechanism includes the shell, the interior diapire fixedly connected with damping spring of shell, damping spring's top fixedly connected with depression bar, damping mechanism provide comparatively good and outstanding damping effect.

Preferably, the top of the protective shell is fixedly connected with a bearing, the rotating shaft is movably connected with the protective shell through the bearing, and the bearing provides enough rotary supporting force for the rotating shaft.

Preferably, the front face of the cover plate is movably connected with a movable shaft, the protective shell is movably connected with the cover plate through the movable shaft, and the movable shaft enables the cover plate to be opened and closed simply and quickly.

Preferably, the screw pole can be dismantled to one side of screw pad, and the protecting crust passes through screw pole and mounting panel swing joint, and people's accessible is dismantled the screw pole and is separated mounting panel and protecting crust and change work to mounting panel and radiator-grid.

Preferably, the mounting groove has been seted up to one side of protecting shell, and the protecting shell passes through mounting groove and lead screw swing joint, and the mounting groove makes the dismouting work of lead screw all very convenient and fast.

The working principle is as follows: when the heat dissipation device is used, when the pressure tester body needs to dissipate heat, the heat dissipation motor is started, the heat dissipation motor drives the rotating shaft and the rotor to rotate, the rotor drives the heat dissipation blades to rotate to generate wind power, the wind power can directly blow the pressure tester body and separate and dissipate heat of the pressure tester body, and finally the wind power can wrap heat and is discharged through the heat dissipation net, so that heat dissipation work is completed.

The technical means of the utility model can obtain the following technical effects:

(1) according to the utility model, through the arrangement of the protective shell, the pressure tester body, the heat dissipation motor, the rotating shaft, the bearing, the rotor, the heat dissipation blades, the air supply plate, the mounting plate and the heat dissipation net, the heat dissipation motor can drive the rotating shaft and the rotor to rotate rapidly, the rotor can drive the heat dissipation blades to rotate and generate wind power to rapidly cool the pressure tester body through wind power, the air supply plate can send the returned wind power out again, finally the wind power can be discharged from the heat dissipation net, the pressure tester body is effectively cooled and dissipated through a simple and rapid mode, the safety and stability in use are ensured, and the use requirements of people are met.

(2) According to the utility model, through the arrangement of the protective shell, the vibration reduction mechanism, the placing plate and the pressure tester body, when the pressure tester body generates vibration and drives the placing plate to vibrate, the vibration reduction mechanism can form an effective vibration reduction effect on the placing plate through the vibration reduction spring and the pressure rod to offset the vibration, so that an effective vibration reduction effect is achieved, and the use requirements of people are further met.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a damping mechanism according to the present invention;

FIG. 4 is a schematic view of the connection between the protective shell and the cover plate according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at A according to the present invention.

In the figure: 1. a protective shell; 2. a column; 3. a foot support; 4. a vibration reduction mechanism; 401. a housing; 402. a damping spring; 403. a pressure lever; 5. placing the plate; 6. a withstand voltage tester body; 7. fixing a column; 8. a heat dissipation motor; 9. a rotating shaft; 10. a bearing; 11. a rotor; 12. a heat dissipating fin; 13. a blast plate; 14. a movable shaft; 15. a cover plate; 16. mounting a plate; 17. a screw pad; 18. a screw shaft; 19. a heat-dissipating network.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

Example 1

Fig. 1 to 5 show a preferred embodiment of a withstand voltage tester with a circuit protection function according to the present invention: the utility model provides a withstand voltage tester with circuit protection function, including protecting crust 1, the interior diapire fixed mounting of protecting crust 1 has damping mechanism 4, board 5 is placed to damping mechanism 4's top fixedly connected with, the inner wall swing joint who places board 5 has withstand voltage tester body 6, protecting crust 1 through the setting, damping mechanism 4, place board 5 and withstand voltage tester body 6, when withstand voltage tester body 6 produces the vibration and drives and place board 5 vibration, damping mechanism 4 accessible damping spring 402 and depression bar 403 offset vibration to placing board 5 and forming effectual damping effect, thereby reach effectual damping effect, further user demand who has satisfied people, the top fixedly connected with fixed column 7 of protecting crust 1, the one end fixedly connected with heat dissipation motor 8 of fixed column 7.

An output shaft of a heat dissipation motor 8 is fixedly connected with a rotating shaft 9 through a coupler, the outer wall of the rotating shaft 9 is fixedly connected with a rotor 11, the outer wall of the rotor 11 is fixedly connected with a heat dissipation blade 12, the inner top wall of a protective shell 1 is fixedly connected with an air supply plate 13, the front surface of the protective shell 1 is movably connected with a cover plate 15, one side of the protective shell 1 is movably connected with a mounting plate 16, one side of the mounting plate 16 is movably connected with a screw pad 17, the inner wall of the mounting plate 16 is fixedly connected with a heat dissipation net 19, the heat dissipation motor 8 can drive the rotating shaft 9 and the rotor 11 to rotate rapidly through the protective shell 1, a pressure-resistant tester body 6, the heat dissipation motor 8, the rotating shaft 9, a bearing 10, the rotor 11, the heat dissipation blade 12, the air supply plate 13, the mounting plate 16 and the heat dissipation net 19, the heat dissipation motor 8 can drive the rotating shaft 9 and the rotor 11 to rotate, and generate wind power to rapidly cool the pressure-resistant tester body 6 through the wind power, the air supply plate 13 can send out the returned wind power again, and finally the wind power can be discharged from the heat dissipation net 19, so that the pressure tester body 6 is effectively cooled and dissipated through a simple and rapid mode, the safety and stability during use are ensured, and the use requirements of people are met.

Example 2

On the basis of embodiment 1, a preferred embodiment of the withstand voltage tester with circuit protection function provided by the present invention is shown in fig. 1 to 5: the bottom fixedly connected with stand 2 of protecting crust 1, the bottom fixedly connected with heel brace 3 of stand 2, stand 2 and heel brace 3 have given the stable balanced holding power of protecting crust 1.

In this embodiment, the damping mechanism 4 includes a housing 401, a damping spring 402 is fixedly connected to an inner bottom wall of the housing 401, and a pressing rod 403 is fixedly connected to a top end of the damping spring 402, so that the damping mechanism 4 provides a good and excellent damping effect.

In this embodiment, the top of the protective shell 1 is fixedly connected with a bearing 10, the rotating shaft 9 is movably connected with the protective shell 1 through the bearing 10, and the bearing 10 provides sufficient rotation supporting force for the rotating shaft 9.

In this embodiment, the front surface of the cover plate 15 is movably connected with the movable shaft 14, and the protective shell 1 is movably connected with the cover plate 15 through the movable shaft 14, so that the cover plate 15 can be opened and closed simply and quickly by the movable shaft 14.

In this embodiment, a screw 18 can be detached from one side of the screw pad 17, and the protective shell 1 is movably connected to the mounting plate 16 through the screw 18, so that people can detach the mounting plate 16 from the protective shell 1 by detaching the screw 18 and replace the mounting plate 16 and the heat dissipation mesh 19.

In this embodiment, the mounting groove has been seted up to one side of protecting shell 1, and protecting shell 1 passes through mounting groove and 18 swing joint of lead screw, and the mounting groove makes 18 dismouting work of lead screw all very convenient and fast.

When the utility model is operated and used, as shown in fig. 1 to 5, when the pressure tester body 6 needs to dissipate heat, the heat dissipation motor 8 is started, the heat dissipation motor 8 drives the rotating shaft 9 and the rotor 11 to rotate, the rotor 11 drives the heat dissipation blades 12 to rotate to generate wind power, the wind power can directly blow the pressure tester body 6 and separate and dissipate heat of the pressure tester body, and finally the wind power can wrap heat and discharge the heat through the heat dissipation net 19, thereby completing the heat dissipation work.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should be considered within the scope of the utility model. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention should cover other combinations and specific applications related to the present invention.

Claims

1. The utility model provides a withstand voltage tester with circuit protection function, includes protecting crust (1), its characterized in that: a vibration reduction mechanism (4) is fixedly installed on the inner bottom wall of the protective shell (1), a placing plate (5) is fixedly connected to the top end of the vibration reduction mechanism (4), a pressure tester body (6) is movably connected to the inner wall of the placing plate (5), a fixing column (7) is fixedly connected to the top of the protective shell (1), and a heat dissipation motor (8) is fixedly connected to one end of the fixing column (7);

the output shaft of heat dissipation motor (8) passes through shaft coupling fixedly connected with pivot (9), the outer wall fixedly connected with rotor (11) of pivot (9), the outer wall fixedly connected with radiator vane (12) of rotor (11), the interior roof fixedly connected with air feed board (13) of protecting crust (1), the positive swing joint of protecting crust (1) has apron (15), one side swing joint of protecting crust (1) has mounting panel (16), one side swing joint of mounting panel (16) has screw pad (17), the inner wall fixedly connected with radiator-grid (19) of mounting panel (16).

2. The withstand voltage tester with a circuit protection function according to claim 1, characterized in that: the bottom fixedly connected with stand (2) of protecting crust (1), the bottom fixedly connected with heel brace (3) of stand (2).

3. The withstand voltage tester with a circuit protection function according to claim 1, characterized in that: the damping mechanism (4) comprises a shell (401), a damping spring (402) is fixedly connected to the inner bottom wall of the shell (401), and a pressing rod (403) is fixedly connected to the top end of the damping spring (402).

4. The withstand voltage tester with a circuit protection function according to claim 1, characterized in that: the top fixedly connected with bearing (10) of protecting crust (1), and pivot (9) pass through bearing (10) and protecting crust (1) swing joint.

5. The withstand voltage tester with a circuit protection function according to claim 1, characterized in that: the front surface of the cover plate (15) is movably connected with a movable shaft (14), and the protective shell (1) is movably connected with the cover plate (15) through the movable shaft (14).

6. The withstand voltage tester with a circuit protection function according to claim 1, characterized in that: one side of the screw pad (17) can be detached to form a screw rod (18), and the protective shell (1) is movably connected with the mounting plate (16) through the screw rod (18).

7. The withstand voltage tester with a circuit protection function according to claim 6, characterized in that: one side of the protective shell (1) is provided with a mounting groove, and the protective shell (1) is movably connected with the screw rod (18) through the mounting groove.