Power grid fault detection device

Abstract

The utility model relates to the technical field of power grid fault detection, in particular to a power grid fault detection device, which comprises an upper cover plate and a plug port, one end of the upper cover plate is rotatably connected with a detection box, the plug port is arranged at the upper end of the detection box, a liquid cooling mechanism is mounted in the middle of the bottom end of the detection box, and air cooling mechanisms are mounted on two sides of the bottom end of the detection box; the liquid cooling mechanism comprises a sealing plate, the bottom end of the sealing plate is fixedly connected with a bottom plate, one side of the bottom plate is fixedly connected with a heat conduction plate, ventilation holes are formed in the heat conduction plate, the upper end of the heat conduction plate is fixedly connected with a heat exchanger, one end of the heat exchanger communicates with a liquid storage tank used for storing cooling liquid, and the other end of the heat exchanger is fixedly connected with a water inlet of an intelligent circulating pump. According to the utility model, the detection equipment can be stably cooled in a high-altitude air-rarefied environment through mutual cooperation, so that the equipment is ensured to stably work in a high-altitude area, and meanwhile, the detection box, the liquid cooling mechanism and the air cooling mechanism are modularly assembled, so that the detection box, the liquid cooling mechanism and the air cooling mechanism are conveniently and independently replaced in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of power grid fault detection, in particular to a power grid fault detection device. Background Art

[0002] Grid fault detection devices refer to equipment used to monitor and diagnose anomalies and faults in power systems. Such devices usually integrate multiple sensors, data processing units, and communication interfaces, and can collect grid operation data in real time, analyze grid status, and issue alarms when faults or anomalies are detected.

[0003] The cable fault locator used to detect low-resistance and high-resistance faults in cables is one of the commonly used power grid fault detection devices;

[0004] The cable fault locator has many built-in heat-generating electronic components and is generally equipped with a relatively air-cooled heat dissipation mechanism. However, in high-altitude areas, the thin air may affect the heat dissipation performance of the equipment and the battery energy density. Simply dissipating heat through air cooling will affect the heat dissipation effect of the equipment. Therefore, a power grid fault detection device is proposed to address the above problems. Utility Model Content

[0005] The utility model aims to provide a power grid fault detection device to solve the problem that in high altitude areas, the thin air may affect the heat dissipation performance of the equipment and the battery energy density, and the heat dissipation effect of the equipment will be affected by simply cooling with air.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A power grid fault detection device, comprising an upper cover plate and a plug interface, one end of the upper cover plate is rotatably connected to a detection box, the upper end of the detection box is provided with a plug interface, a liquid cooling mechanism is installed in the middle of the bottom end of the detection box, and air cooling mechanisms are installed on both sides of the bottom end of the detection box; the liquid cooling mechanism comprises a sealing plate, the bottom end of the sealing plate is fixedly connected to a bottom plate, one side of the bottom plate is fixedly connected to a heat conducting plate, ventilation holes are provided inside the heat conducting plate, the upper end of the heat conducting plate is fixedly connected to a heat exchanger, one end of the heat exchanger is connected to a liquid storage tank for storing coolant, the other end of the heat exchanger is fixedly connected to a water inlet of an intelligent circulation pump, and the water outlet of the intelligent circulation pump is connected to the liquid storage tank through a connecting pipe; the air cooling mechanism comprises a fan housing, a fan is installed on the inner side of one end of the fan housing, and guide rods are fixedly connected to the upper and lower ends of the fan housing.

[0008] As a further optimization of the present invention, the detection box includes a box body, a first limit groove is opened in the middle of the lower end of the box body, second limit grooves are opened on both sides of the lower end of the box body, and sliding grooves are opened at the upper and lower ends of the second limit grooves.

[0009] As a further optimization of the present invention, the first limiting groove and the second limiting groove are connected, and the first limiting groove and the second limiting groove are T-shaped as a whole.

[0010] As a further optimization of the present invention, the liquid cooling mechanism is installed inside the first limiting groove, the air cooling mechanism is installed inside the second limiting groove, and the guide rods fixedly connected to the upper and lower ends of the fan housing correspond one to one with the slide grooves.

[0011] As a further optimization of the present invention, there are two air cooling mechanisms, which are arranged corresponding to the ventilation holes, and the direction in which the fan is installed is the same as the blowing direction.

[0012] As a further optimization of the present invention, the bottom end of the intelligent circulation pump and the bottom end of the liquid storage tank are both fixedly connected to the bottom plate, and the intelligent circulation pump and the liquid storage tank are installed between the sealing plate and the heat conduction plate.

[0013] As a further optimization of the present invention, the heat exchanger is installed at the position of the heat-generating electronic components inside the detection box and the lower end of the power supply, and the intelligent circulation pump and the fan are electrically connected to the detection box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the liquid cooling mechanism and the air cooling mechanism are arranged to cooperate with each other, so that the detection equipment can be stably cooled in the environment of high altitude and thin air, thereby ensuring that the equipment can work stably in high altitude areas. At the same time, the detection box, liquid cooling mechanism and air cooling mechanism are modularly assembled, which is convenient for independent replacement at a later time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the overall exploded view of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the liquid cooling mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the heat conducting plate of the utility model.

[0020] In the figure: 1. detection box; 11. box body; 12. first limit groove; 13. second limit groove; 14. slide groove; 2. liquid cooling mechanism; 21. sealing plate; 22. liquid storage tank; 23. heat exchanger; 24. heat conduction plate; 25. connecting pipe; 26. intelligent circulation pump; 27. ventilation hole; 28. bottom plate; 3. air cooling mechanism; 31. fan housing; 32. guide rod; 33. fan; 4. upper cover plate; 5. plug interface. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A power grid fault detection device comprises an upper cover plate 4 and a plug interface 5, one end of the upper cover plate 4 is rotatably connected to a detection box 1, a plug interface 5 is provided at the upper end of the detection box 1, a liquid cooling mechanism 2 is installed in the middle of the bottom end of the detection box 1, and air cooling mechanisms 3 are installed on both sides of the bottom end of the detection box 1; the liquid cooling mechanism 2 comprises a sealing plate 21, a bottom plate 28 is fixedly connected to the bottom end of the sealing plate 21, a heat conducting plate 24 is fixedly connected to one side of the bottom plate 28, a ventilation hole 27 is provided inside the heat conducting plate 24, a heat exchanger 23 is fixedly connected to the upper end of the heat conducting plate 24, one end of the heat exchanger 23 is connected to a liquid storage tank 22 for storing coolant, the other end of the heat exchanger 23 is fixedly connected to the water inlet of an intelligent circulation pump 26, and the water outlet of the intelligent circulation pump 26 is connected to the liquid storage tank 22 through a connecting pipe 25; the air cooling mechanism 3 comprises a fan housing 31, a fan 33 is installed on the inner side of one end of the fan housing 31, and a guide rod 32 is fixedly connected to the upper and lower ends of the fan housing 31.

[0025] As a further implementation of the present scheme, the detection box 1 includes a box body 11, a first limiting groove 12 is provided in the middle of the lower end of the box body 11, second limiting grooves 13 are provided on both sides of the lower end of the box body 11, and slide grooves 14 are provided at the upper and lower ends of the second limiting grooves 13. The first limiting groove 12 and the second limiting groove 13 are connected, and the first limiting groove 12 and the second limiting groove 13 are T-shaped as a whole. Through the above structure, the detection box 1, the liquid cooling mechanism 2 and the air cooling mechanism 3 are modularly installed, which is convenient for independent replacement in the later stage;

[0026] As a further implementation of the present invention, the liquid cooling mechanism 2 is installed inside the first limiting groove 12, and the air cooling mechanism 3 is installed inside the second limiting groove 13. The guide rods 32 fixedly connected to the upper and lower ends of the fan housing 31 correspond to the slide grooves 14 one by one, so that the liquid cooling mechanism 2 and the air cooling mechanism 3 can be stably installed.

[0027] As a further implementation of this solution, two air cooling mechanisms 3 are provided, the air cooling mechanisms 3 are arranged corresponding to the ventilation holes 27, and the direction of the fan 33 is installed in the same direction as the blowing direction, so as to further dissipate heat for the device;

[0028] As a further implementation scheme of the present scheme, the bottom end of the intelligent circulation pump 26 and the bottom end of the liquid storage tank 22 are fixedly connected to the bottom plate 28, the intelligent circulation pump 26 and the liquid storage tank 22 are installed between the sealing plate 21 and the heat conduction plate 24, the heat exchanger 23 is installed at the position of the heat-generating electronic components inside the detection box 1 and the lower end of the power supply, and the intelligent circulation pump 26 and the fan 33 are electrically connected to the detection box 1. This arrangement can stably dissipate heat for the detection equipment in an environment with thin air at high altitudes, thereby ensuring that the equipment works stably in high altitude areas.

[0029] Working process: When the detection device detects power grid faults, it is powered by a built-in power supply. When detecting power grids in high-altitude areas, the detection line is connected to the plug interface 5 to perform power grid fault detection. During the detection process, the liquid cooling mechanism 2 and the air cooling mechanism 3 are in working condition. The intelligent circulation pump 26 can control the coolant inside the liquid storage tank 22 to circulate inside the heat exchanger 23 to meet the heat dissipation needs of the heat-generating electronic components and power supply inside the detection box 1. During the heat dissipation process, the air inside the heat conduction plate 24 can flow through the operation of the fan 33, and then the heat exchanger 23 can be further cooled. This setting can stably dissipate the heat of the detection equipment in the environment of high-altitude thin air, thereby ensuring that the equipment works stably in high-altitude areas.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power grid fault detection device, comprising an upper cover plate (4) and an insertion port (5), characterized in that: One end of the upper cover plate (4) is rotatably connected to the detection box (1); a plug interface (5) is provided at the upper end of the detection box (1); a liquid cooling mechanism (2) is installed in the middle of the bottom end of the detection box (1); and air cooling mechanisms (3) are installed on both sides of the bottom end of the detection box (1); The liquid cooling mechanism (2) comprises a sealing plate (21), the bottom end of the sealing plate (21) is fixedly connected to a bottom plate (28), one side of the bottom plate (28) is fixedly connected to a heat conducting plate (24), a ventilation hole (27) is provided inside the heat conducting plate (24), the upper end of the heat conducting plate (24) is fixedly connected to a heat exchanger (23), one end of the heat exchanger (23) is connected to a liquid storage tank (22) for storing coolant, the other end of the heat exchanger (23) is fixedly connected to a water inlet of an intelligent circulation pump (26), and the water outlet of the intelligent circulation pump (26) is connected to the liquid storage tank (22) via a connecting pipe (25); The air cooling mechanism (3) comprises a fan housing (31), a fan (33) is installed on the inner side of one end of the fan housing (31), and the upper and lower ends of the fan housing (31) are fixedly connected to guide rods (32).

2. A power grid fault detection device according to claim 1, characterized in that: The detection box (1) comprises a box body (11), a first limiting groove (12) is provided in the middle of the lower end of the box body (11), second limiting grooves (13) are provided on both sides of the lower end of the box body (11), and sliding grooves (14) are provided at the upper and lower ends of the second limiting groove (13).

3. A power grid fault detection device according to claim 2, characterized in that: The first limiting groove (12) and the second limiting groove (13) are connected to each other, and the first limiting groove (12) and the second limiting groove (13) are T-shaped as a whole.

4. A power grid fault detection device according to claim 1, characterized in that: The liquid cooling mechanism (2) is installed inside the first limiting groove (12), the air cooling mechanism (3) is installed inside the second limiting groove (13), and the guide rods (32) fixedly connected at the upper and lower ends of the fan housing (31) correspond one to one with the slide grooves (14).

5. A power grid fault detection device according to claim 1, characterized in that: Two air cooling mechanisms (3) are provided, and the air cooling mechanisms (3) are arranged corresponding to the ventilation holes (27), and the direction in which the fans (33) are installed is the same as the blowing direction.

6. A power grid fault detection device according to claim 1, characterized in that: The bottom ends of the intelligent circulation pump (26) and the liquid storage tank (22) are both fixedly connected to the bottom plate (28), and the intelligent circulation pump (26) and the liquid storage tank (22) are installed between the sealing plate (21) and the heat conduction plate (24).

7. A power grid fault detection device according to claim 1, characterized in that: The heat exchanger (23) is installed at a position below the heat-generating electronic components and the power supply inside the detection box (1), and the intelligent circulation pump (26) and the fan (33) are electrically connected to the detection box (1).

Images