CN213423432U - Protective structure for leakage current tester - Google Patents
Protective structure for leakage current tester Download PDFInfo
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- CN213423432U CN213423432U CN202021301397.5U CN202021301397U CN213423432U CN 213423432 U CN213423432 U CN 213423432U CN 202021301397 U CN202021301397 U CN 202021301397U CN 213423432 U CN213423432 U CN 213423432U
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- leakage current
- protection frame
- current tester
- arc
- heat dissipation
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Abstract
The utility model discloses a protective structure for leakage current tester relates to leakage current tester technical field, lacks protective structure for solving current leakage current tester, the fragile problem of operational environment unstability. Arc locking board is all installed to the inboard edge of protection frame, arc locking board is provided with four, the inboard of arc locking board is provided with elasticity anti-skidding cushion, install locking spring, four between arc locking board and the protection frame place leakage current tester main part between the arc locking board, the heating panel is all installed to the outside both sides of protection frame, protection frame and heating panel fixed connection, the fin is installed to the inboard of heating panel, the internally mounted of heating panel has radiator fan, the back lid is installed to the rear end of protection frame, be provided with the protection grid on the terminal surface of back lid, one side of protection frame rear end is provided with magnetism and inhales the strip.
Description
Technical Field
The utility model relates to a leakage current tester technical field specifically is a protective structure for leakage current tester.
Background
Leakage current is the current that is formed between electrically charged metallic parts that are insulated from each other, or between a charged part and a grounded part, through their surrounding medium or insulating surface, in the absence of a fault-imposed voltage, and is the current that can be conducted from the accessible portion of the household appliance, including the capacitive coupling current, according to the us UL standard. The leakage current includes two parts, one part is the conduction current through the insulation resistance; the other part is displacement current through distributed capacitance, which increases with increasing frequency, so leakage current increases with increasing power supply frequency, which can be measured with a leakage current tester with isolated power supply for measuring the leakage current of the working power supply (or other power supply) of the appliance, which is generated through insulation or distributed parameter impedance, and is not related to the work.
However, the existing leakage current tester lacks a protection structure, and the working environment is unstable and easy to damage, so that the existing requirements are not met, and the protection structure for the leakage current tester is provided for the existing leakage current tester.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protective structure for leakage current tester to current leakage current tester who provides in solving above-mentioned background lacks protective structure, the fragile problem of operational environment unstability.
In order to achieve the above object, the utility model provides a following technical scheme: a protective structure for a leakage current tester comprises a protective frame, wherein arc-shaped locking plates are arranged at the corners of the inner side of the protective frame, four arc-shaped locking plates are arranged, elastic anti-skidding soft cushions are arranged at the inner sides of the arc-shaped locking plates, locking springs are arranged between the arc-shaped locking plates and the protective frame, a leakage current tester main body is placed between the four arc-shaped locking plates, heat dissipation plates are arranged on two sides of the outer part of the protective frame, the protective frame is fixedly connected with the heat dissipation plates, heat dissipation fins are arranged on the inner sides of the heat dissipation plates, a heat dissipation fan is arranged inside the heat dissipation plates, a rear cover is arranged at the rear end of the protective frame, a protective grid is arranged on the end surface of the rear cover, magnetic suction strips are arranged on one side of the rear end of the protective frame and are magnetically adsorbed with the rear cover, and the protective frame is fixedly connected with the handle, and the upper end of the protective frame is provided with a plurality of heat dissipation ventilation grooves.
Preferably, the footing is all installed at the edge of protection frame lower extreme, and the footing is provided with four, and protection frame and footing fixed connection.
Preferably, the protective frame is connected with the rear cover through a hinge.
Preferably, the arc-shaped locking plate is connected with the elastic anti-skidding cushion in a gluing mode.
Preferably, the locking spring, the arc-shaped locking plate and the protection frame are connected through screws.
Preferably, the heat dissipation plate is connected with the heat dissipation plate through heat conduction glue.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a locking spring can be according to the automatic flexible deformation of the shape of leakage current tester main part, drive arc locking plate motion, adjust it, the inboard elastic anti-skidding cushion of arc locking plate realizes locking fast with the contact of leakage current tester main part, accomplish leakage current tester main part and protective structure's fixed, convenient removal to whole protective structure through the handle, elastic anti-skidding cushion cushions and shock attenuation, external effort is offset in the absorption, protect leakage current tester main part, guarantee its operational environment's stability, guarantee that it is not fragile.
2. The utility model discloses a radiator fan work can accelerate the flow rate of air around the leakage current tester main part, can dispel the heat fast to the leakage current tester main part, further guarantees its operational environment's stability, and the protection grid of back lid terminal surface increases the area of contact of leakage current tester main part and air around on the one hand, improves the radiating quality, and on the other hand carries out safety protection to the leakage current tester main part under the condition that does not influence the wiring, avoids its damage.
Drawings
Fig. 1 is a front view of a protective structure for a leakage current tester according to the present invention;
fig. 2 is a schematic structural view of the heat dissipating plate of the present invention;
fig. 3 is a rear view of a protective structure for a leakage current tester according to the present invention;
fig. 4 is a top view of a protection structure for a leakage current tester according to the present invention.
In the figure: 1. a protective frame; 2. an arc-shaped locking plate; 3. an elastic anti-slip soft cushion; 4. a locking spring; 5. a leakage current tester main body; 6. a heat sink; 7. a heat dissipation plate; 8. a heat radiation fan; 9. a rear cover; 10. a protective grid; 11. magnetically attracting the strip; 12. a handle; 13. a heat dissipation ventilation slot; 14. and (5) footing.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a protection structure for a leakage current tester comprises a protection frame 1, wherein arc-shaped locking plates 2 are respectively arranged at the corners of the inner side of the protection frame 1, four arc-shaped locking plates 2 are arranged, elastic anti-skidding soft pads 3 are arranged at the inner sides of the arc-shaped locking plates 2, locking springs 4 are arranged between the arc-shaped locking plates 2 and the protection frame 1, the four locking springs 4 can automatically stretch and deform according to the shape of a leakage current tester main body 5 to drive the arc-shaped locking plates 2 to move, the positions of the arc-shaped locking plates 2 are rapidly adjusted, the elastic anti-skidding soft pads 3 at the inner sides of the arc-shaped locking plates 2 are contacted with the leakage current tester main body 5 to realize rapid locking, the leakage current tester main body 5 is placed between the four arc-shaped locking plates 2, heat dissipation plates 7 are respectively arranged at the two sides of the outer part of the protection frame 1, the protection frame 1 is fixedly, the heat radiation plate 7 is internally provided with a heat radiation fan 8, the work of the heat radiation fan 8 can accelerate the flow rate of the air around the leakage current tester main body 5 and can quickly radiate the leakage current tester main body 5, the rear end of the protection frame 1 is provided with a rear cover 9, the end surface of the rear cover 9 is provided with a protection grid 10, the protection grid 10 on the end surface of the rear cover 9 increases the contact area of the leakage current tester main body 5 and the air around on one hand and improves the heat radiation quality on the other hand and carries out safety protection on the leakage current tester main body 5 under the condition of not influencing the wiring, one side of the rear end of the protection frame 1 is provided with a magnetic attraction strip 11, the magnetic attraction strip 11 is magnetically adsorbed and fixed with the protection frame 1 through the magnetic attraction strip 11, the fixing mode is simple and the use is more convenient, the middle of the upper end of the protection frame 1 is provided with a handle 12, the movement of the protection frame 1 and the leakage current tester main body, and the protection frame 1 is fixedly connected with the handle 12, and the upper end of the protection frame 1 is provided with a plurality of heat dissipation ventilation grooves 13, so that the auxiliary heat dissipation ventilation effect is achieved.
Further, footing 14 is all installed at the edge of protection frame 1 lower extreme, and footing 14 is provided with four, and protection frame 1 and footing 14 fixed connection increase the area of contact of protection frame 1 bottom and air.
Further, the protection frame 1 is connected with the rear cover 9 through hinges, the rear cover 9 can be freely opened and closed, and the flexibility is higher.
Furthermore, the arc-shaped locking plate 2 is connected with the elastic anti-skidding cushion 3 in a glued joint mode, and the anti-skidding cushion has good sealing performance, insulating performance and corrosion resistance.
Furthermore, locking spring 4 all passes through the screw connection with arc locking plate 2 and protection frame 1, and the connected mode is simple, does benefit to the maintenance.
Further, the heat dissipation plate 7 is connected with the heat dissipation fins 6 through heat conducting glue, the heat conducting glue improves heat conducting efficiency, and the heat dissipation effect is better.
The working principle is as follows: when the device is used, the leakage current tester main body 5 is placed inside the protection frame 1, the four locking springs 4 can automatically stretch and deform according to the shape of the leakage current tester main body 5 to drive the arc-shaped locking plate 2 to move, the position of the arc-shaped locking plate 2 is quickly adjusted, the elastic anti-skidding cushion 3 on the inner side of the arc-shaped locking plate 2 is in contact with the leakage current tester main body 5 to realize quick locking, the fixation of the leakage current tester main body 5 and the protection frame 1 is completed, the protection frame 1 and the leakage current tester main body 5 inside the protection frame can be conveniently moved through the handle 12, the elastic anti-skidding cushion 3 performs buffering and shock absorption during the moving process or when external acting force acts on the leakage current tester main body 5, the external acting force is absorbed and counteracted, the leakage current tester main body 5 is protected, the stability of the working environment is ensured, and the damage of the leakage current tester main body, the flow rate of air around 8 work of radiator fan can accelerate leakage current tester main parts 5, can dispel the heat fast to leakage current tester main parts 5, further guarantee the stability of 5 operational environment of leakage current tester main parts, back lid 9 is fixed with protection frame 1 through magnetism 11 magnetic adsorption of magnetic strip, fixed mode is simple, high convenience, the use, the protection grid 10 of back lid 9 terminal surface increases the area of contact of leakage current tester main part 5 and air around on the one hand, the heat dissipation quality is improved, on the other hand carries out safety protection to leakage current tester main part 5 under the condition that does not influence the wiring, avoid its damage.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A protective structure for a leakage current tester, comprising a protective frame (1), characterized in that: arc locking plates (2) are installed at the corners of the inner side of the protection frame (1), four arc locking plates (2) are arranged, elastic anti-skidding cushions (3) are arranged on the inner side of the arc locking plates (2), locking springs (4) are installed between the arc locking plates (2) and the protection frame (1), leakage current tester main bodies (5) are placed between the arc locking plates (2), heat dissipation plates (7) are installed on the two sides of the outer portion of the protection frame (1), the protection frame (1) is fixedly connected with the heat dissipation plates (7), cooling fins (6) are installed on the inner side of the heat dissipation plates (7), cooling fans (8) are installed inside the heat dissipation plates (7), a rear cover (9) is installed at the rear end of the protection frame (1), and protection grids (10) are arranged on the end face of the rear cover (9), one side of protection frame (1) rear end is provided with magnetism and inhales strip (11), and magnetism inhale strip (11) and back lid (9) magnetic adsorption, handle (12) are installed to the centre of protection frame (1) upper end, and protect frame (1) and handle (12) fixed connection, the upper end of protection frame (1) is provided with a plurality of heat dissipation ventilation slots (13).
2. A protective structure for a leakage current tester according to claim 1, wherein: footing (14) are all installed at the edge of the lower end of the protection frame (1), four footings (14) are arranged, and the protection frame (1) is fixedly connected with the footings (14).
3. A protective structure for a leakage current tester according to claim 1, wherein: the protective frame (1) is connected with the rear cover (9) through a hinge.
4. A protective structure for a leakage current tester according to claim 1, wherein: the arc-shaped locking plate (2) is connected with the elastic anti-skidding soft cushion (3) in an adhesive manner.
5. A protective structure for a leakage current tester according to claim 1, wherein: the locking spring (4) is connected with the arc-shaped locking plate (2) and the protection frame (1) through screws.
6. A protective structure for a leakage current tester according to claim 1, wherein: the heat dissipation plate (7) is connected with the heat dissipation fins (6) through heat conduction glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301397.5U CN213423432U (en) | 2020-07-06 | 2020-07-06 | Protective structure for leakage current tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301397.5U CN213423432U (en) | 2020-07-06 | 2020-07-06 | Protective structure for leakage current tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213423432U true CN213423432U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021301397.5U Active CN213423432U (en) | 2020-07-06 | 2020-07-06 | Protective structure for leakage current tester |
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| Country | Link |
|---|---|
| CN (1) | CN213423432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325363A (en) * | 2021-11-23 | 2022-04-12 | 华能沁北发电有限责任公司 | Portable relay protection tester device |
-
2020
- 2020-07-06 CN CN202021301397.5U patent/CN213423432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325363A (en) * | 2021-11-23 | 2022-04-12 | 华能沁北发电有限责任公司 | Portable relay protection tester device |
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