CN215986254U

CN215986254U - Direct current insulation resistance tester

Info

Publication number: CN215986254U
Application number: CN202121727636.8U
Authority: CN
Inventors: 张海
Original assignee: State Grid Shanxi Electric Power Co Ltd
Current assignee: State Grid Shanxi Electric Power Co Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-08
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a direct-current insulation resistance tester, which relates to the technical field of resistance testers and comprises a box body with an upward opening and a sealing cover hinged to one side of the upper edge of the box body through a hinge mechanism, wherein a plurality of supporting legs are arranged at the edge of the bottom of the box body; the utility model has the advantages of simple structure and good heat dissipation effect.

Description

Direct current insulation resistance tester

Technical Field

The utility model relates to the technical field of resistance testers, in particular to the technical field of direct-current insulation resistance testers.

Background

The resistance tester is used for electrical safety inspection and ground engineering completion inspection. The resistance tester has many types, including a ground resistance tester, an insulation resistance tester, a ground resistance tester, a direct current resistance tester, a surface resistance tester and a loop resistance tester.

The temperature in the general tester box can not exceed 40 degrees centigrade, surpasss the scope and can influence measurement accuracy and even cause the damage to components and parts, but radiator fan among the prior art installs in resistance tester's inside usually, inconvenient maintenance or change when fan module breaks down, also the deashing of inconvenient dismantlement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the technical problem, the utility model provides a direct current insulation resistance tester.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a direct current insulation resistance tester, includes the ascending box of opening and articulates the closing cap in box upper edge one side through hinge mechanisms, bottom half edge is provided with a plurality of supporting legss, be provided with the round plummer on the box inside wall, the plummer falls into upper portion cavity and lower part cavity in the box, be provided with the resistance tester body of placing on the plummer in the upper portion cavity, lower part cavity bottom is provided with a plurality of radiator fan mechanisms, the bottom half is provided with a plurality of air intakes with a plurality of radiator fan mechanism one-to-one, upper portion cavity and lower part cavity are provided with a plurality of air outlets on being close to the inner wall of hinge mechanisms one side.

Furthermore, the outer side wall of the edge of the resistance tester body is provided with a circle of pressing blocks which are overlapped on the bearing table and contacted with the inner wall of the upper cavity, and an air channel is formed between every two adjacent pressing blocks.

Further, the inside inwards sunken recess that forms of closing cap, be provided with the anticollision layer in the recess and be used for accomodating the groove of wire, the closing cap edge is provided with magnetic stripe A, box upside edge be provided with magnetic stripe A complex magnetic stripe B.

Further, the material of anticollision layer is the sponge.

Furthermore, the corresponding positions on the left side and the right side of the outer portion of the box body are highly provided with grooves, U-shaped handles are arranged in the grooves, and the U-shaped handles are connected with the grooves in a hinged mode.

Furthermore, the whole box body is in a cuboid shape.

The utility model has the following beneficial effects:

1. the resistance tester is simple in structure, the bearing table is arranged in the box body and used for detachably placing the resistance tester body, the box body can be divided into an upper cavity and a lower cavity, the bottom of the lower cavity is provided with the cooling fan, the lower cavity is provided with the air outlet, when the cooling fan is started, air flows in the lower cavity, heat at the bottom of the resistance tester body can be taken away, and the resistance tester has a good cooling effect.

2. Because the outer side wall of the edge of the resistance tester body is provided with a circle of pressing blocks which are overlapped on the bearing table and contacted with the inner wall of the upper cavity, an air channel is formed between every two adjacent pressing blocks; and the air duct communicates with the upper cavity and the lower cavity, and an air outlet is also arranged in the upper cavity, so that when the fan is started, heat on the side wall of the resistance tester body can be taken away through the air duct and the air outlet of the upper cavity, the heat dissipation effect is further enhanced, and internal elements of the resistance tester body are prevented from being damaged by heat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference numerals: the device comprises a box body 1, a bearing table 1, supporting legs 1-2, an air outlet 1-3, a magnetic stripe B1-4, a magnetic stripe cover 1-5, a sealing cover 2-1, an anti-collision layer 2-2, a containing groove 2-3, a magnetic stripe A2-3, a resistance tester body 3-1, a pressing block 3-1, a U-shaped handle 4-and a cooling fan mechanism 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1, the embodiment provides a direct current insulation resistance tester, which includes a box 1 with an upward opening and a cover 2 hinged to one side of the upper edge of the box 1 through a hinge mechanism, the edge of the bottom of the box 1 is provided with a plurality of supporting legs 1-2, a circle of bearing table 1-1 is arranged on the inner side wall of the box 1, the interior of the box 1 is divided into an upper cavity and a lower cavity by the bearing table 1-1, a resistance tester body 3 placed on the bearing table 1-1 is arranged in the upper cavity, the bottom of the lower cavity is provided with a plurality of cooling fan mechanisms 5, the bottom of the box 1 is provided with a plurality of air inlets corresponding to the plurality of cooling fan mechanisms 5 one to one, and the inner walls of the upper cavity and the lower cavity close to one side of the hinge mechanism are provided with a plurality of air outlets 1-3.

In this embodiment, because be provided with the plummer installation in the box for resistance tester body is placed to detachable, can cut apart into upper portion cavity and lower part cavity in the box again, and lower part cavity bottom is provided with radiator fan, is provided with the air outlet on the cavity of lower part simultaneously, and when radiator fan opened, all had the air flow in the cavity of lower part, can take away the heat of resistance tester body bottom, had fine radiating effect.

Example 2

The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:

the outer side wall of the edge of the resistance tester body 3 is provided with a circle of compression blocks 3-1 which are overlapped on the bearing table 1-1 and contacted with the inner wall of the upper cavity, and an air channel is formed between every two adjacent compression blocks 3-1.

Because the outer side wall of the edge of the resistance tester body is provided with a circle of pressing blocks which are overlapped on the bearing table and contacted with the inner wall of the upper cavity, an air channel is formed between every two adjacent pressing blocks; and the air duct communicates with the upper cavity and the lower cavity, and an air outlet is also arranged in the upper cavity, so that when the cooling fan is started, heat on the side wall of the resistance tester body can be taken away through the air duct and the air outlet of the upper cavity, the cooling effect is further enhanced, and internal elements of the resistance tester body are prevented from being damaged by heating.

The inner side of the sealing cover 2 is inwards sunken to form a groove, an anti-collision layer 2-1 and a containing groove 2-2 used for containing a wire are arranged in the groove, a magnetic strip A2-3 is arranged at the edge of the sealing cover 2, and a magnetic strip B1-4 matched with the magnetic strip A2-3 is arranged at the edge of the upper side of the box body 1.

The storage pad 3-1 is made of sponge.

The box body 1 is provided with grooves at the corresponding positions on the left side and the right side of the outer part, U-shaped handles 4 are arranged in the grooves, and the U-shaped handles 4 are connected with the grooves in a hinged mode.

The box body 1 is integrally in a cuboid shape.

Claims

1. A direct current insulation resistance tester comprises a box body (1) with an upward opening and a sealing cover (2) hinged to one side of the upper edge of the box body (1) through a hinge mechanism, wherein a plurality of supporting legs (1-2) are arranged at the bottom edge of the box body (1), it is characterized in that a circle of bearing table (1-1) is arranged on the inner side wall of the box body (1), the bearing table (1-1) divides the interior of the box body (1) into an upper cavity and a lower cavity, a resistance tester body (3) arranged on the bearing table (1-1) is arranged in the upper cavity, the bottom of the lower cavity is provided with a plurality of radiating fan mechanisms (5), the bottom of the box body (1) is provided with a plurality of air inlets which are in one-to-one correspondence with the plurality of radiating fan mechanisms (5), and a plurality of air outlets (1-3) are arranged on the inner walls of the upper cavity and the lower cavity close to one side of the hinge mechanism.

2. The direct-current insulation resistance tester according to claim 1, wherein a circle of pressing blocks (3-1) which are overlapped on the bearing table (1-1) and contacted with the inner wall of the upper cavity are arranged on the outer side wall of the edge of the resistance tester body (3), and an air duct is formed between every two adjacent pressing blocks (3-1).

3. The direct-current insulation resistance tester as claimed in claim 1, wherein the inside of the sealing cover (2) is recessed inwards to form a groove, an anti-collision layer (2-1) and a receiving groove (2-2) for receiving a wire are arranged in the groove, a magnetic stripe A (2-3) is arranged at the edge of the sealing cover (2), and a magnetic stripe B (1-4) matched with the magnetic stripe A (2-3) is arranged at the edge of the upper side of the box body (1).

4. The direct-current insulation resistance tester according to claim 1, wherein the material of the object placing pad (3-1) is sponge.

5. The direct-current insulation resistance tester according to claim 1, wherein grooves are formed in the left side and the right side of the outer portion of the box body (1) at corresponding positions, U-shaped handles (4) are arranged in the grooves, and the U-shaped handles (4) are connected with the grooves in a hinged mode.

6. The direct current insulation resistance tester according to claim 1, wherein the box body (1) is a cuboid as a whole.