CN211604925U

CN211604925U - Protection device of power capacitor

Info

Publication number: CN211604925U
Application number: CN201920962105.3U
Authority: CN
Inventors: 罗凡; 王林信; 张旭; 蔡玺; 杨波; 卫祥; 魏军; 屈伟
Original assignee: Gansu Tongxing Intelligent Technology Development Co Ltd
Current assignee: Gansu Tongxing Intelligent Technology Development Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-09-29
Anticipated expiration: 2029-06-24

Abstract

A protection device of a power capacitor comprises a base; an explosion-proof shell is arranged on the base; the explosion-proof shell is provided with an inner cavity; a door body is arranged on one side of the opening of the inner cavity; the top of the explosion-proof shell is provided with an interface port and a lock assembly, and the outer surface of the explosion-proof shell is provided with radiating fins; a heat insulation cavity is arranged between the inner cavity and the outer surface of the explosion-proof shell; a heat radiation copper pipe is arranged in the heat insulation cavity; the heat insulation cavity is communicated with a heat dissipation pipeline; a first heat dissipation mechanism is arranged in the heat dissipation pipeline. The utility model discloses a setting in thermal-insulated chamber has increased condenser heat-sinking capability, has also guaranteed that the heat dissipation of every face of condenser is even, avoids appearing certain side because the high temperature leads to condenser performance to reduce, phenomenon such as potential safety hazard appears.

Description

Protection device of power capacitor

Technical Field

The utility model relates to a protection device, in particular to power capacitor's protection device belongs to condenser technical field.

Background

With the rapid development of the society and the progress of science and technology, the functions of electrical equipment are more and more improved, and the improvement of the functions of the electrical equipment also depends on the use of electrical elements, such as a capacitor, which is a device for accommodating electric charges and one of a large number of electronic elements used in the electronic equipment, wherein any two conductors which are insulated from each other and closely spaced form a capacitor, and the capacitor is widely applied to the aspects of isolated direct current and alternating current, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in a circuit.

Therefore, the service efficiency and the service life of the capacitor are directly determined by the heat dissipation capacity of the capacitor, and in order to achieve the optimal heat dissipation effect, the conventional capacitor shell is generally made of aluminum. Firstly, a water path system is generally arranged on the surface of a capacitor shell, the heat dissipation efficiency is increased through water cooling, but the water path system is always arranged on the surface of the shell and is separated from an inner cavity for accommodating the capacitor, the heat of the capacitor is firstly guided to the shell through a radiating fin and then is dissipated to the shell through the water cooling system, and the method has low efficiency and long heat dissipation time; secondly, because the capacitor needs to be fixed in the shell, one side of the capacitor is certainly abutted against the inner side of the shell tightly, and if the side cannot be radiated in time, the temperature rise is rapid, and the use of the capacitor is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the protection device of the power capacitor is simple and reasonable in structure, convenient to use, high in heat dissipation efficiency and uniform in heat dissipation direction.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows: a protection device of a power capacitor comprises a base; an explosion-proof shell is arranged on the base; the explosion-proof shell is provided with an inner cavity; a door body is arranged on one side of the opening of the inner cavity; the top of the explosion-proof shell is provided with an interface port and a lock assembly, and the outer surface of the explosion-proof shell is provided with radiating fins; a heat insulation cavity is arranged between the inner cavity and the outer surface of the explosion-proof shell; a heat radiation copper pipe is arranged in the heat insulation cavity; a heat dissipation pipeline is arranged in the heat insulation cavity; a first heat dissipation mechanism is arranged in the heat dissipation pipeline.

The copper pipe can guarantee that the heat in the inner cavity can be quickly guided into the heat insulation cavity, and then the heat is taken away through the movable liquid in the heat insulation cavity.

Preferably, the heat insulation cavity is distributed on at least three sides of the explosion-proof shell; the heat dissipation pipeline comprises a water inlet and a water outlet which are arranged on each heat insulation cavity.

The heat insulation cavities distributed on at least three sides can provide heat dissipation for each surface of the capacitor, and particularly the inner side surface in contact with the inner cavity ensures that the temperature of the surface is normal.

Preferably, the heat dissipation pipeline further comprises a pipe discharging assembly communicated with each water outlet.

The calandria subassembly can communicate every thermal-insulated chamber, and during the use, adds water to the thermal-insulated intracavity through arbitrary one water inlet all can.

Preferably, the heat dissipation mechanism is connected to the pipe rack assembly; the first heat dissipation mechanism is a fan.

The fan can reduce the temperature of the water in the whole pipeline system.

Preferably, the heat dissipation copper pipe is transversely arranged in the heat insulation cavity, and two ends of the heat dissipation copper pipe are respectively connected to the inner cavity and the inner side surface of the explosion-proof shell.

Preferably, the inner cavity is provided with a clapboard for supporting the capacitor; the baffle and the bottom of the inner cavity form an auxiliary cavity.

Preferably, a second heat dissipation mechanism is arranged at the bottom of the auxiliary cavity; the partition board is a latticed partition board, or a plurality of heat dissipation copper pipes are vertically arranged in the partition board.

Preferably, the bottom of the heat dissipation copper pipe is connected to the bottom of the inner cavity.

The second heat dissipation mechanism and the partition structure can ensure heat dissipation of the bottom of the capacitor.

The utility model discloses a setting in thermal-insulated chamber has increased condenser heat-sinking capability, has also guaranteed that the heat dissipation of every face of condenser is even, avoids appearing certain side because the high temperature leads to condenser performance to reduce, phenomenon such as potential safety hazard appears.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the door body in an open state.

Fig. 3 is a cross-sectional view of the present invention.

In the figure, 2 is an explosion-proof shell, 2.2 is a radiating fin, 3 is a door body, 4 is a heat insulation cavity, 4.1 is a water inlet, 4.2 is a water outlet, 5 is a radiating copper pipe, 6 is a first radiating mechanism, and 8 is a partition plate.

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 efforts belong to the protection scope of the present invention.

In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.

Referring to fig. 1-2, a protection device for a power capacitor includes a base; the base is provided with an explosion-proof shell 2; the explosion-proof shell is provided with an inner cavity; a door body 3 is arranged on one side of the opening of the inner cavity; an interface port and a lockset component are arranged at the top of the explosion-proof shell 2, and a heat radiating fin 2.2 is arranged on the outer surface of the explosion-proof shell 2; a heat insulation cavity 4 is arranged between the inner cavity and the outer surface of the explosion-proof shell 2; a heat radiation copper pipe 5 is arranged in the heat insulation cavity 4; the heat insulation cavity 4 is communicated with a heat dissipation pipeline; the heat dissipation pipeline is internally provided with a first heat dissipation mechanism 6.

Furthermore, the heat insulation cavity 4 is distributed on at least three sides of the explosion-proof housing 2; the heat dissipation pipeline comprises a water inlet 4.1 and a water outlet 4.2 which are arranged on each heat insulation cavity 4.

Specifically, the heat insulation cavity 4 can be understood as a part of a heat dissipation pipeline, and liquid enters from the water inlet 4.1 and flows into the heat insulation cavity 4 and then flows out from the water outlet 4.2 at the bottom of the heat insulation cavity.

Furthermore, the heat dissipation pipeline further comprises a pipe discharging assembly communicated with each water outlet 4.2.

Specifically, after the liquid flows out of the water outlet 4.2, the liquid enters the pipe discharging assembly.

Further, the first heat dissipation mechanism 6 is connected to the rack pipe assembly; the first heat dissipation mechanism 6 is a fan.

Specifically, water entering the pipe discharging assembly enters the other heat insulation cavity 4 from a water outlet 4.2 at the other end of the pipe discharging assembly through the pipe discharging assembly, and liquid can fill each heat insulation cavity 4. At this time, the first heat dissipation mechanism 6 is opened to cool water, and heat in the heat insulation cavity can be taken away.

Further, in this embodiment, it is preferable that the heat dissipation copper tube 5 is transversely disposed in the heat insulation cavity 4, and two ends of the heat dissipation copper tube are respectively connected to the inner cavity and the inner side surface of the explosion-proof housing.

Furthermore, a clapboard 8 for supporting the capacitor is arranged in the inner cavity; the baffle plate 8 and the bottom of the inner cavity form an auxiliary cavity.

Furthermore, a second heat dissipation mechanism is arranged at the bottom of the auxiliary cavity; the partition plate 8 is a latticed partition plate, or a plurality of heat dissipation copper pipes are vertically arranged in the partition plate.

Furthermore, the bottom of the heat dissipation copper pipe is connected to the bottom of the inner cavity.

Specifically, the auxiliary cavity and the partition plate can realize heat dissipation on the bottom of the capacitor.

The utility model discloses utilize the heat dissipation copper pipe, improved heat dissipation rate, the heat of condenser can be faster shifts to thermal-insulated intracavity through the transmission of copper pipe, and thermal-insulated intracavity realizes efficient heat dissipation through rivers and the cooperation of first heat dissipation mechanism, and among the prior art, arranges the shell surface in with the water pipe, and thermal transmission first-selected needs are in proper order through casing and pipe wall, leads to the unable rapid diffusion of more heat.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A protection device of a power capacitor comprises a base; an explosion-proof shell (2) is arranged on the base; the explosion-proof shell is provided with an inner cavity; a door body (3) is arranged on one side of the opening of the inner cavity; explosion-proof shell (2) top is provided with interface port and tool to lock subassembly, its characterized in that: the outer surface of the explosion-proof shell (2) is provided with radiating fins (2.2); a heat insulation cavity (4) is arranged between the inner cavity and the outer surface of the explosion-proof shell (2); a heat radiation copper pipe (5) is arranged in the heat insulation cavity (4); the heat insulation cavity (4) is communicated with a heat dissipation pipeline; a first heat dissipation mechanism (6) is arranged in the heat dissipation pipeline.

2. A power capacitor protection device as claimed in claim 1, characterized in that: the heat insulation cavities (4) are distributed on at least three side surfaces of the explosion-proof shell (2); the heat dissipation pipeline comprises a water inlet (4.1) and a water outlet (4.2) which are arranged on each heat insulation cavity (4).

3. A power capacitor protection device as claimed in claim 2, characterized in that: the heat dissipation pipeline also comprises a pipe discharging assembly communicated with each water outlet (4.2).

4. A power capacitor protection device as claimed in claim 3, characterized in that: the first heat dissipation mechanism (6) is connected to the pipe arranging assembly; the first heat dissipation mechanism (6) is a fan.

5. A power capacitor protection device as claimed in claim 1, characterized in that: the heat dissipation copper pipe (5) is transversely arranged in the heat insulation cavity (4), and two ends of the heat dissipation copper pipe are respectively connected to the inner cavity and the inner side face of the explosion-proof shell.

6. A power capacitor protection device as claimed in claim 1, characterized in that: the inner cavity is provided with a clapboard (8) for supporting the capacitor; the baffle (8) and the bottom of the inner cavity form an auxiliary cavity.

7. A protection device for a power capacitor as claimed in claim 6, characterized in that: the bottom of the auxiliary cavity is provided with a second heat dissipation mechanism; the partition plate (8) is a latticed partition plate, or a plurality of heat dissipation copper pipes are vertically arranged in the partition plate.

8. A power capacitor protection device as claimed in claim 7, characterized in that: the bottom of the heat dissipation copper pipe is connected to the bottom of the inner cavity.