CN205811373U - A kind of ventilation and heat structure of high-tension switch cabinet - Google Patents

Abstract

The utility model relates to a ventilation and heat dissipation structure of a high-voltage switch cabinet, which comprises a high-voltage switch cabinet body, and is characterized in that: a gap layer is arranged in the four side walls of the high-voltage switch cabinet body, and the gap layer is filled with There is cooling water, and the interstitial layer is connected with a heat dissipation coil through the water inlet pipe and the water outlet pipe, and the water pump is arranged on the water outlet pipe, and the heat dissipation coil is arranged in the evaporator, and the inlet of the evaporator is connected by a pipeline There is a compressor, and the outlet of the evaporator is connected with a throttle valve through a pipeline, and the throttle valve is connected with a condenser, and the condenser is connected with the compressor.

Description

Ventilation and heat dissipation structure of a high-voltage switchgear

technical field

The utility model belongs to the technical field of electric equipment, and relates to a heat dissipation device for electric equipment, in particular to a ventilation and heat dissipation structure for a high-voltage switch cabinet.

Background technique

As an important part of the power system, high-voltage switchgear plays a decisive role in the normal operation of the entire power grid.

Due to the self-tightness of the high-voltage switchgear in the prior art and the operation of internal power devices, the temperature in the high-voltage switchgear is too high, which easily causes damage to the original electrical components in the switchgear. This is the weak point of prior art.

Therefore, aiming at the above-mentioned defects in the prior art, it is very necessary to provide and design a ventilation and heat dissipation structure of the high-voltage switchgear to solve the above-mentioned technical problems.

Utility model content

The purpose of this utility model is to provide and design a ventilation and heat dissipation structure of a high-voltage switchgear to solve the above-mentioned technical problems in view of the above-mentioned defects in the prior art.

In order to achieve the above object, the utility model provides the following technical solutions:

A ventilation and heat dissipation structure for a high-voltage switchgear, comprising a high-voltage switchgear body, characterized in that: the four side walls of the high-voltage switchgear body are provided with gap layers, and the gap layers are filled with cooling water. The gap layer is connected with a cooling coil through a water inlet pipe and an outlet pipe, a water pump is arranged on the outlet pipe, the cooling coil is arranged in an evaporator, and the inlet of the evaporator is connected to a compressor through a pipeline. The outlet of the evaporator is connected to a throttle valve through a pipeline, the throttle valve is connected to a condenser, and the condenser is connected to a compressor;

The compressor and the water pump are connected to a power supply through an electromagnetic relay, and the electromagnetic relay is connected to a microcontroller;

A temperature sensor is arranged in the cabinet of the high-voltage switchgear, and the temperature sensor is connected to a microcontroller;

The high-voltage switchgear cabinet body is also provided with a drainage fan, the outlet pipe of the drainage fan extends into the ventilation hole provided at the bottom of the high-voltage switchgear cabinet, an air filter is arranged outside the ventilation port, and the air inlet pipe of the drainage fan is connected with a A spiral pipe, the top wall of the high-voltage switchgear cabinet is provided with a ventilation pipe, the ventilation pipe extends to the outside of the high-voltage switchgear cabinet, the ventilation pipe is provided with a support frame, and the support frame is provided with with umbrella hat;

The draft fan is connected to the power supply through an electromagnetic relay.

Preferably, the bottom of the high-voltage switchgear cabinet is provided with a base.

Preferably, the microcontroller is a single-chip controller.

The beneficial effect of the utility model is that, by setting the gap layer in the four side walls of the high-voltage switch cabinet body and filling the gap layer with cooling water, the heat in the high-voltage switch cabinet body can be absorbed and the effect of heat dissipation can be achieved;

The temperature in the cabinet is detected by the temperature sensor and sent to the microcontroller. If the temperature in the cabinet is higher than the preset value, the microcontroller controls the electromagnetic relay to be turned on, and the water pump, compressor and drainage fan are energized to work, so that The cooling water circulates in the gap layer of the side wall of the cabinet and dissipates heat through the cooling coil. The cold air generated by the compressor enters the evaporator and exchanges heat with the cooling water in the cooling coil to reduce the temperature of the cooling water in the cooling coil; drainage The fan guides the air in the cabinet to the outside of the cabinet, and introduces the low-temperature air from the outside into the cabinet through the ventilation pipe. At the same time, the spiral pipe can generate air mediation in the cabinet to reduce the temperature in the cabinet. In addition, the design principle of the utility model is reliable, the structure is simple, and the utility model has a very wide application prospect.

It can be seen that, compared with the prior art, the utility model has substantive features and progress, and the beneficial effects of its implementation are also obvious.

Description of drawings

Fig. 1 is a structural schematic diagram of a ventilation and heat dissipation structure of a high-voltage switchgear provided by the utility model.

Fig. 2 is a control schematic diagram of a ventilation and heat dissipation structure of a high-voltage switchgear provided by the utility model.

Among them, 1-high-voltage switchgear cabinet, 2-gap layer, 3-radiating coil, 4-water pump, 5-evaporator, 6-compressor, 7-throttle valve, 8-condenser, 9-electromagnetic relay , 10-power supply, 11-microcontroller, 12-temperature sensor, 13-drainage fan, 14-air filter, 15-spiral pipe, 16-ventilation pipe, 17-support frame, 18-umbrella cap, 19- base.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following examples are explanations of the utility model, but the utility model is not limited to the following embodiments.

As shown in Figures 1 and 2, the ventilation and heat dissipation structure of a high-voltage switchgear provided by the utility model includes a high-voltage switchgear cabinet 1, and a gap layer 2 is arranged in the four side walls of the high-voltage switchgear cabinet 1 , the gap layer 2 is filled with cooling water, the gap layer 2 communicates with the heat dissipation coil 3 through the water inlet pipe and the water outlet pipe, the water outlet pipe is provided with a water pump 4, and the heat dissipation coil 3 It is arranged in the evaporator 5, the inlet of the evaporator 5 is connected with the compressor 6 through the pipeline, and the outlet of the evaporator 5 is connected with the throttle valve 7 through the pipeline, and the throttle valve 7 is connected with the condenser 8, and the The condenser 8 is connected to the compressor 6;

Described compressor 6, water pump 4 are connected with power supply 10 through electromagnetic relay 9, and described electromagnetic relay 9 is connected with microcontroller 11;

A temperature sensor 12 is arranged in the cabinet of the high-voltage switchgear 1, and the temperature sensor 12 is connected to the microcontroller 11;

The high-voltage switchgear 1 cabinet is also provided with a drainage fan 13, and the outlet pipe of the drainage fan 13 extends into the ventilation hole provided at the bottom of the high-voltage switchgear 1 cabinet, and an air filter 14 is arranged outside the ventilation opening, and the drainage fan 13 The air inlet pipe is connected with a spiral pipe 15, and the top wall of the high-voltage switchgear cabinet is provided with a ventilation pipe 16, and the ventilation pipe 16 extends to the outside of the high-voltage switchgear cabinet, and the ventilation pipe is provided with a support Frame 17, an umbrella cap 18 is arranged on the support frame;

The draft blower 13 is connected to the power supply through the electromagnetic relay 9.

In this embodiment, a base 19 is provided at the bottom of the cabinet body of the high voltage switch cabinet 1 .

In this embodiment, the microcontroller 11 is a single-chip controller.

What is disclosed above is only the preferred embodiment of the present utility model, but the present utility model is not limited thereto, and any person skilled in the art can think of no creative changes, and some modifications made without departing from the principle of the present utility model. Improvement and retouching should all fall within the protection scope of the present utility model.

Claims (3)

1. a ventilation and heat structure for high-tension switch cabinet, including high-tension switch cabinet body, it is characterised in that: described height presses off Being provided with void layer in closing the four sides sidewall of cabinet cabinet, be filled with cooling water in described void layer, described void layer passes through Water inlet pipe and outlet pipe are communicated with radiator coil tube, and described outlet pipe is provided with water pump, and described radiator coil tube is arranged at steaming Sending out in device, the entrance of vaporizer is connected by pipeline compressor, and the outlet of vaporizer is connected by pipeline choke valve, described Choke valve connect and have a condenser, described condenser connects compressor；

Described compressor, water pump have power supply by electromagnetic relay connection, and described electromagnetic relay connects micro-control Device processed；

Being provided with temperature sensor in described high-tension switch cabinet body, described temperature sensor is connected to microcontroller；

Being additionally provided with drain blower fan in described high-tension switch cabinet body, the discharge pipe of drain blower fan stretches into high-tension switch cabinet body In the air vent that bottom is arranged, vent is outside equipped with airstrainer, and the blast pipe of drain blower fan connects serpentine pipe, described Being provided with ventilation duct on the roof of high-tension switch cabinet body, described ventilation duct extends to outside high-tension switch cabinet body, described It is provided with bracing frame on ventilation duct, described bracing frame is provided with umbrella crown；

Described drain blower fan is connected to power supply by electromagnetic relay.

The ventilation and heat structure of a kind of high-tension switch cabinet the most according to claim 1, it is characterised in that: described height presses off The bottom closing cabinet cabinet is provided with base.

The ventilation and heat structure of a kind of high-tension switch cabinet the most according to claim 1 and 2, it is characterised in that: described is micro- Controller is singlechip controller.