CN220306808U

CN220306808U - Inflatable cabinet

Info

Publication number: CN220306808U
Application number: CN202321793790.4U
Authority: CN
Inventors: 方志锋
Original assignee: Wuhan Hezhan Electric Power Technology Co ltd
Current assignee: Wuhan Hezhan Electric Power Technology Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-05
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of power distribution equipment, in particular to an inflatable cabinet, which comprises a cabinet body, wherein an air box for installing switch equipment is arranged in the cabinet body, and a heat dissipation cavity which is arranged at intervals with the air box is also arranged in the cabinet body; a heat absorption coil is arranged in the air box, and a heat dissipation coil is arranged in the heat dissipation cavity; the output end of the heat absorption coil pipe is connected with the input end of the heat dissipation coil pipe through a pipeline. In the equipment operation process, the heat in the air box is absorbed through the cooling liquid in the heat absorption coil pipe, the cooling liquid subjected to heat exchange is conveyed to the heat dissipation coil pipe for cooling, and finally circulated into the liquid storage box, the cooling liquid is driven to be circularly conveyed under the pushing of the pumping assembly, so that the switching equipment in the air box can be cooled, the switching equipment operation process is prevented from being in a state of high-temperature operation for a long time, and the service life of the equipment is prolonged.

Description

Inflatable cabinet

Technical Field

The utility model relates to the technical field of power distribution equipment, in particular to an inflatable cabinet.

Background

The air charging cabinet seals the equipment such as the main bus, the solid sealing pole, the three-station switch and the like in an air box filled with insulating gas so as to ensure the insulating property of the switch equipment. For example, chinese patent No. CN205452934U discloses an inflatable switch cabinet, which comprises a cabinet body, wherein an air box is arranged in the cabinet body, and a main bus, a solid sealing pole and a three-station switch are arranged in the air box.

Insulating gas is filled into the gas tank of the cabinet body, so that insulating protection capability of the switch equipment can be ensured, but the switch equipment in the gas tank is installed in a closed environment, heat can be generated in the working process of the switch equipment, the heat dissipation effect of the closed gas tank is poor, and particularly, the switch equipment is used for a long time at a position with high ambient temperature, and the service life of the switch equipment can be seriously influenced due to overhigh temperature of the switch equipment.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides the inflatable cabinet to solve the problem that the air box of the inflatable cabinet has poor heat dissipation effect due to the closed environment.

The technical scheme for solving the technical problems is as follows: the inflatable cabinet comprises a cabinet body, wherein an air box for installing switch equipment is arranged in the cabinet body, and a heat dissipation cavity which is arranged at intervals with the air box is also arranged in the cabinet body; a heat absorption coil is arranged in the air box, and a heat dissipation coil is arranged in the heat dissipation cavity; the heat absorption coil pipe output links to each other with the heat dissipation coil pipe input through the pipeline, the output of heat dissipation coil pipe is equipped with the liquid reserve tank that is used for storing the coolant liquid, there is the pumping component between the input of liquid reserve tank and heat absorption coil pipe through the pipeline connection, the pumping component is used for circulating the pump sending to heat absorption coil pipe and heat dissipation coil pipe with the coolant liquid in the liquid reserve tank in proper order.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a heat radiation opening matched with the heat radiation coil pipe and a ventilation opening communicated with the heat radiation cavity are formed in the cabinet body.

Further, the heat absorbing coil is externally provided with a plurality of groups of heat conducting fins which are distributed at intervals, and the heat dissipating coil is externally provided with a plurality of groups of heat dissipating fins which are distributed at intervals.

Further, the pumping assembly includes a centrifugal pump and a motor drivingly connected to the centrifugal pump.

Further, the motor is a double-shaft motor; one end of the double-shaft motor is connected with the centrifugal pump, and the other end of the double-shaft motor is provided with a heat radiation fan which is opposite to the heat radiation coil.

Further, a ventilation fan is arranged at the ventilation opening.

Further, the top and the bottom of the liquid storage tank are respectively provided with a liquid injection port and a liquid exchange port.

Compared with the prior art, the inflatable cabinet provided by the utility model has at least the following beneficial effects: in the equipment operation process, the heat in the air box is absorbed through the cooling liquid in the heat absorption coil pipe, the cooling liquid subjected to heat exchange is conveyed to the heat dissipation coil pipe for cooling, and finally circulated into the liquid storage box, the cooling liquid is driven to be circularly conveyed under the pushing of the pumping assembly, so that the switching equipment in the air box can be cooled, the switching equipment operation process is prevented from being in a state of high-temperature operation for a long time, and the service life of the equipment is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the cabinet of the utility model;

FIG. 3 is a schematic view of a heat dissipation chamber according to the present utility model;

fig. 4 is a schematic structural view of the heat absorbing coil of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. 1.1 parts of cabinet body, 1.2 parts of air tank, heat dissipation cavity, 1.3 parts of heat dissipation port, 1.4 parts of ventilation port, 2 parts of heat absorption coil pipe, 2.1 parts of heat conduction sheet, 3 parts of heat dissipation coil pipe, 3.1 parts of heat dissipation sheet, 4 parts of liquid storage tank, 4.1 parts of liquid injection port, 4.2 parts of liquid exchange port, 5 parts of centrifugal pump, 6 parts of motor, 7 parts of heat dissipation fan, 8 parts of ventilation fan.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.

As shown in fig. 1 and fig. 2, the inflatable cabinet of the present utility model comprises a cabinet body 1, wherein an air box 1.1 for installing switch equipment is arranged in the cabinet body 1, and a heat dissipation cavity 1.2 which is arranged at intervals with the air box 1.1 is also arranged in the cabinet body 1; a heat absorption coil pipe 2 is arranged in the air box 1.1, and a heat dissipation coil pipe 3 is arranged in the heat dissipation cavity 1.2; the heat absorption coil pipe 2 output passes through the pipeline and links to each other with heat dissipation coil pipe 3 input, the output of heat dissipation coil pipe 3 is equipped with the liquid reserve tank 4 that is used for storing the coolant liquid, there is pumping assembly through the pipeline connection between the input of liquid reserve tank 4 and heat absorption coil pipe 2, pumping assembly is used for circulating the coolant liquid in the liquid reserve tank 4 to heat absorption coil pipe 2 and heat dissipation coil pipe 3 in proper order and pumps. The air tank 1.1 is used for installing switching equipment needing isolation protection, in the operation process of the equipment, the cooling liquid in the heat absorption coil pipe 2 absorbs heat in the air tank 1.1, the cooling liquid subjected to heat exchange is conveyed to the heat dissipation coil pipe 3 for cooling, and finally, the cooling liquid is circulated into the liquid storage tank 4, and the cooling liquid is driven to be circulated and conveyed under the pushing of the pumping assembly, so that the switching equipment in the air tank 1.1 can be cooled.

As an implementation mode, the cabinet body 1 is provided with a heat dissipation port 1.3 matched with the heat dissipation coil pipe 3 and a ventilation port 1.4 communicated with the heat dissipation cavity 1.2, so that the circulation of air flow around the heat dissipation coil pipe 3 is ensured, and the heat dissipation coil pipe 3 can fully exchange heat with ambient air flow.

As an implementation manner, as shown in fig. 3 and fig. 4, a plurality of groups of heat-conducting fins 2.1 are arranged outside the heat-absorbing coil pipe 2 at equal intervals, and the contact area between the heat-conducting fins 2.1 and the heat flow in the air box 1.1 is increased, so that the heat exchange between the hot air flow and the cooling liquid in the heat-absorbing coil pipe 2 through the heat-conducting fins 2.1 is ensured. The outside of heat dissipation coil pipe 3 is equipped with multiunit equidistance fin 3.1 that the interval was arranged, and fin 3.1 increases the area of contact with external environment air current, guarantees that the coolant liquid that absorbs heat can spread heat to the air more soon, improves radiating efficiency.

Specifically, the pumping assembly comprises a centrifugal pump 5 and a motor 6 in driving connection with the centrifugal pump 5, and the centrifugal pump 5 is driven by the motor 6 to pump cooling liquid for circulating so as to cool the switching equipment in the air tank 1.1.

In addition, the motor 6 is a biaxial motor; one end of the double-shaft motor is connected with the centrifugal pump 5, the other end of the double-shaft motor is provided with a heat dissipation fan 7 opposite to the heat dissipation coil 3, the heat dissipation fan 7 can be driven to rotate while the centrifugal pump 5 is driven in the operation process of the motor 6, and the heat dissipation effect is improved by promoting the airflow on the surfaces of the heat dissipation coil 3 and the heat dissipation fins 3.1 to flow through the heat dissipation fan 7 so as to rapidly cool the cooling liquid.

And secondly, a ventilation fan 8 is further arranged at the ventilation port 1.4, so that the environmental airflow can be promoted to be conveyed into the air box 1.1, and the heat exchange efficiency is improved.

As an embodiment, the top and bottom of the liquid storage tank 4 are respectively provided with a liquid injection port 4.1 and a liquid exchange port 4.2, and when the cooling liquid in the liquid storage tank 4 needs to be replenished or exchanged, the waste liquid is discharged through the liquid exchange port 4.2, and new liquid is injected through the liquid injection port 4.1.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The inflatable cabinet comprises a cabinet body (1), wherein an air box (1.1) for installing switch equipment is arranged in the cabinet body (1), and the inflatable cabinet is characterized in that a heat dissipation cavity (1.2) which is arranged at intervals with the air box (1.1) is also arranged in the cabinet body (1); a heat absorption coil pipe (2) is arranged in the air box (1.1), and a heat dissipation coil pipe (3) is arranged in the heat dissipation cavity (1.2); the heat absorption coil pipe (2) output passes through the pipeline and links to each other with heat dissipation coil pipe (3) input, the output of heat dissipation coil pipe (3) is equipped with liquid reserve tank (4) that are used for storing the coolant liquid, there is pumping assembly through the pipe connection between the input of liquid reserve tank (4) and heat absorption coil pipe (2), pumping assembly is used for in proper order to heat absorption coil pipe (2) and heat dissipation coil pipe (3) circulation pump sending with the coolant liquid in liquid reserve tank (4).

2. The inflatable cabinet according to claim 1, wherein the cabinet body (1) is provided with a heat radiation opening (1.3) matched with the heat radiation coil pipe (3) and a ventilation opening (1.4) communicated with the heat radiation cavity (1.2).

3. The inflatable cabinet according to claim 1, wherein a plurality of groups of heat conducting fins (2.1) which are equidistantly arranged at intervals are arranged outside the heat absorbing coil (2), and a plurality of groups of heat radiating fins (3.1) which are equidistantly arranged at intervals are arranged outside the heat radiating coil (3).

4. A gas-filled tank according to claim 2, characterized in that the pumping assembly comprises a centrifugal pump (5) and a motor (6) in driving connection with the centrifugal pump (5).

5. The gas-filled tank according to claim 4, characterized in that the motor (6) is a double-shaft motor; one end of the double-shaft motor is connected with the centrifugal pump (5), and the other end of the double-shaft motor is provided with a heat dissipation fan (7) which is opposite to the heat dissipation coil pipe (3).

6. The gas-filled cabinet according to claim 2, characterized in that a ventilator (8) is also provided at the ventilation opening (1.4).

7. The gas-filled tank according to claim 1, characterized in that the top and bottom of the liquid storage tank (4) are provided with a liquid filling port (4.1) and a liquid exchange port (4.2), respectively.