CN210982651U

CN210982651U - Portable power cable fault tester

Info

Publication number: CN210982651U
Application number: CN201921982665.1U
Authority: CN
Inventors: 厉新波; 张先杰
Original assignee: Zibo Wenguang Electric Co ltd
Current assignee: Zibo Wenguang Electric Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-10
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a cable detection instrument technical field specifically is a portable power cable fault tester, including a portable power cable fault tester, the power distribution box comprises a box body, be equipped with four heating panels in the box, the heating panel outer wall is equipped with radiating fin, four heating panel inner walls respectively with the looks butt all around of tester body, the first spring holder of heating panel fixed connection, first spring holder welds with spring one end mutually, the spring other end welds with the second spring holder mutually, second spring holder fixed connection box, the bottom half is equipped with micro-fan, micro-fan's air outlet aligns radiating fin. The beneficial effects are that: the utility model discloses the novel structure, the installation is simple, carries out shock attenuation energy storage through the spring, has avoided the box to empty the back, and the tester body receives the striking and destroys to through the spring, make to form the heat dissipation channel between heating panel and the box, the heating panel heat dissipation accelerates, tester body radiating effect is good.

Description

Portable power cable fault tester

Technical Field

The utility model relates to a cable detecting instrument technical field specifically is a portable power cable fault tester.

Background

The power cable fault tester is a special cable detection device for solving the test of open circuit, short circuit, grounding, low resistance, high resistance flashover and high resistance leakage faults of a power cable and the accurate test of open circuit and short circuit faults of a coaxial communication cable and a local telephone cable. The power cable fault tester can also test the path and the burial depth of a cable, measure the speed of electric waves, check the length of the cable and the like, and can establish a cable file for daily maintenance and management.

In the prior art, the random boxes of the power cable fault tester are circulated together, no heat dissipation channel exists between the tester and the case during testing, the heat dissipation effect of the tester is poor, and accelerated aging of components in the tester is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable power cable fault tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable power cable fault tester, includes the tester body, the tester body is placed in the box, the lateral wall is equipped with external pull rod and gyro wheel before the box, and box top lid has closed the case lid, be equipped with four heating panels in the box, the heating panel outer wall is equipped with radiating fin, four heating panel inner walls respectively with the tester body all around looks butt, the first spring holder of heating panel fixed connection, first spring holder welds with spring one end mutually, the spring other end welds with the second spring holder mutually, second spring holder fixed connection box, the bottom half is equipped with micro-fan, micro-fan's air outlet aligns radiating fin.

Preferably, the top of the box body is provided with an annular groove, a sealing ring is embedded in the annular groove, and the box body and the box cover are locked by a hasp.

Preferably, the top of the heat dissipation plate is provided with a first stop formed with the heat dissipation plate, the bottom of the heat dissipation plate is provided with a second stop formed with the heat dissipation plate, the length of the second stop is larger than that of the first stop, the spring is a cylindrical spiral spring, when the spring is in a maximum compression state, the distance between the first stops on the heat dissipation plate adjacent to each other in the front and at the back is equal to the width of the tester body, and the distance between the first stops on the heat dissipation plate adjacent to each other in the left and at the right is equal to the length of the tester body.

Preferably, radiating fin and heating panel integrated into one piece are equipped with nine first spring seats on every heating panel, nine first spring seat is 3 × 3 matrix evenly distributed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses novel structure, the installation is simple, carries out shock attenuation energy storage through the spring, has avoided the box to empty the back, and the tester body receives the striking and destroys to through the spring, make to form the heat dissipation channel between heating panel and the box, the heat dissipation of heating panel is accelerated, tester body radiating effect is good;

2. the top and the bottom of the tester body are limited by a first stop block and a second stop block respectively, so that the tester body is prevented from jumping up and down in the box body;

3. the air outlet of the micro-fan aligns with the radiating fins, and airflow generated by centrifugal air draft of the micro-fan blows to the radiating fins, so that forced convection is realized, and radiating of the radiating fins is accelerated.

Drawings

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

FIG. 2 is a schematic structural view of the tester body and the box body of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a cross-sectional view of the box body of the present invention.

In the figure: the tester comprises a tester body 1, a box body 2, a box cover 3, an external pull rod 4, a roller 5, a heat dissipation plate 6, a heat dissipation fin 7, a first spring seat 8, a spring 9, a second spring seat 10, a micro fan 11, a sealing ring 12, a hasp 13, a first stop dog 14 and a second stop dog 15.

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.

Please refer to fig. 1 to 4, the utility model provides a portable power cable fault tester, including tester body 1, tester body 1 is placed in box 2, be equipped with four heating panels 6 in the box 2, the outer wall of heating panel 6 is equipped with radiating fin 7, radiating fin 7 and heating panel 6 integrated into one piece, 6 inner walls of four heating panels respectively with tester body 1's looks butt all around, 6 fixed connection first spring seats 8 of heating panel, be equipped with nine first spring seats 8 on every heating panel 6, nine first spring seats 8 are 3 × 3 matrix evenly distributed, first spring seat 8 welds with spring 9 one end, the spring 9 other end welds with second spring seat 10, second spring seat 10 fixed connection box 2, box 2 bottom is equipped with micro-fan 11.

The outer wall of the tester body 1 is directly contacted with the heat dissipation plate 6, and the heat dissipation plate 6 is made of aluminum and can quickly conduct heat on the tester body 1. There is spring 9 to carry out the shock attenuation energy storage between heating panel 6 and the box 2, has avoided box 2 to empty the back, and tester body 1 receives the striking and destroys to through spring 9, make to form the heat dissipation passageway between heating panel 6 and the box 2, heat dissipation 6 with higher speed.

Micro-fan 11 is by the fan motor, fan blade and the combination of tester body 1 form, the fan motor adopts tester body 1's internal power supply energy supply, it has the fan switch to establish ties between the internal power of fan motor and tester body 1, the fan switch is installed on the control panel on tester body 1 surface, the output shaft of fan motor stretches into behind the fan shell with fan blade fixed connection, fan motor drive fan blade is rotatory, and realize centrifugal convulsions in the fan shell, because micro-fan 11's air outlet aligns radiating fin 7, the air current that micro-fan 11 centrifugal convulsions produced blows to radiating fin 7, realize forced convection, radiating fin 7 dispels the heat with higher speed.

As shown in fig. 4, a first stopper 14 is formed at the top of the heat dissipation plate 6, a second stopper 15 is formed at the bottom of the heat dissipation plate 6, and the length of the second stopper 15 is greater than that of the first stopper 14. The spring 9 is a cylindrical coil spring, when the spring 9 is in a maximum compression state, the distance between the first stoppers 14 on the heat dissipation plates 6 adjacent to each other in the front and back direction is equal to the width of the tester body 1, and the distance between the first stoppers 14 on the heat dissipation plates 6 adjacent to each other in the left and right direction is equal to the length of the tester body 1. Therefore, the way in which the tester body 1 is placed between the four heat dissipation plates 6 is: adjacent heating panel 6 all around extrudeing simultaneously for the rectangle space that closes that first dog 14 at four heating panel 6 tops enclose just in time holds tester body 1, and tester body 1 top and bottom are spacing through first dog 14 and second dog 15 respectively, hinder tester body 1 to take place to beat from top to bottom in box 2.

The top of the box body 2 is provided with an annular groove, a sealing ring 12 is embedded in the annular groove, the box body 2 is in bolted connection with a hasp seat in a hasp 13, the top of the box cover 3 is welded with a handle in the hasp 13, and the box body 2 and the box cover 3 are locked by the hasp 13. After the box cover 3 is closed, the sealing ring 12 is abutted to the box cover 3, so that the box body 2 is sealed, and the dustproof and waterproof effects are realized.

The top of the box body 2 is covered with a box cover 3, and the front side wall of the box body 2 is provided with an external pull rod 4 and a roller 5. External pull rod 4 adopts the flexible pull rod of aluminum alloy in the conventional draw-bar box, and the lower yoke and the 2 bolted connection of box of external pull rod 4, the wheel carrier of gyro wheel 5 also with 2 bolted connection of box, pull up external pull rod 4, can rely on gyro wheel 5 as the roll bearing, conveniently drag the capable box 2 in the construction place, be convenient for transport labour saving and time saving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable power cable fault tester, includes tester body (1), tester body (1) is placed in box (2), lateral wall is equipped with external pull rod (4) and gyro wheel (5) before box (2), and box (2) top lid has closed case lid (3), its characterized in that: be equipped with four heating panels (6) in box (2), heating panel (6) outer wall is equipped with radiating fin (7), four heating panel (6) inner walls respectively with tester body (1) looks butt all around, the first spring holder of heating panel (6) fixed connection (8), first spring holder (8) welds mutually with spring (9) one end, the spring (9) other end welds mutually with second spring holder (10), second spring holder (10) fixed connection box (2), box (2) bottom is equipped with micro-fan (11), the air outlet of micro-fan (11) aligns radiating fin (7).

2. The portable power cable fault tester of claim 1, wherein: the top of the box body (2) is provided with an annular groove, the annular groove is embedded with a sealing ring (12), and the box body (2) and the box cover (3) are locked by a hasp (13).

3. The portable power cable fault tester of claim 1, wherein: the testing instrument is characterized in that a first stop block (14) formed with the top of the heat dissipation plate (6) is arranged at the top of the heat dissipation plate (6), a second stop block (15) formed with the bottom of the heat dissipation plate (6) is arranged at the bottom of the heat dissipation plate (6), the length of the second stop block (15) is larger than that of the first stop block (14), the spring (9) adopts a cylindrical spiral spring, when the spring (9) is in the maximum compression state, the distance between the first stop blocks (14) on the heat dissipation plate (6) adjacent to the front and back is equal to the width of the testing instrument body (1), and the distance between the first stop blocks (14) on the heat dissipation plate (6) adjacent to the.

4. The portable power cable fault tester as claimed in claim 1, wherein the heat dissipation fins (7) are integrally formed with the heat dissipation plate (6), each heat dissipation plate (6) is provided with nine first spring seats (8), and the nine first spring seats (8) are uniformly distributed in a 3 × 3 matrix form.