CN212518106U

CN212518106U - Power distribution cabinet with good cooling effect

Info

Publication number: CN212518106U
Application number: CN202020604616.0U
Authority: CN
Inventors: 闫松敏; 陈康
Original assignee: Henan Kexun Electrical Equipment Co ltd
Current assignee: Henan Kexun Electrical Equipment Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-09
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a switch board that cooling effect is good, including the cabinet body, cabinet door, cabinet side face lower part is equipped with the air inlet, the air inlet inboard is equipped with the suction hood, the suction hood exit is connected with the intake pipe, the intake pipe exit is equipped with the dehumidification case, the dehumidification case export is equipped with the air duct, the air duct export is located cabinet internal portion top, cabinet side face upper portion is equipped with the gas vent, the intake pipe below is equipped with the cooling bottle, be filled with liquid carbon dioxide in the cooling bottle, the cooling bottle export is equipped with the pipe, the pipe links to each other with the intake pipe, dehumidification case middle part is equipped with the fluid-discharge tube, cabinet door inboard is equipped with thermometer and hygrometer, the cabinet door openly is. The utility model discloses but real-time measurement and the internal temperature of display cabinet, when the high temperature, the cooling bottle cools down to intake pipe blowout carbon dioxide, and the dehumidification case can keep the internal portion of cabinet dry, ensures power consumption safety.

Description

Power distribution cabinet with good cooling effect

Technical Field

The utility model relates to a switch board technical field specifically is a switch board that cooling effect is good.

Background

The switch equipment, measuring instrument, protective electric appliance and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement to form a low-voltage distribution cabinet, the circuit can be switched on or off by means of a manual or automatic switch in normal operation, the circuit is switched off or an alarm is given by means of the protective electric appliance in fault or abnormal operation, various parameters in operation can be displayed by means of the measuring instrument, some electric parameters can be adjusted, and the deviation from the normal working state is prompted or a signal is sent.

The ventilation and heat dissipation device of the existing power distribution cabinet mostly adopts a heat dissipation port to dissipate heat naturally, so that the heat dissipation efficiency is low, and the ventilation and heat dissipation device is not beneficial to the high-efficiency work of equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch board that the radiating effect is good to solve the problem that proposes in 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 switch board that cooling effect is good, includes the cabinet body, cabinet door, its characterized in that: the cabinet body with be equipped with the hinge between the cabinet door, cabinet side face lower part is equipped with the air inlet, the air inlet inboard is equipped with the air inlet cover, the air inlet cover exit is connected with the intake pipe, the intake pipe exit is equipped with the dehumidification case, the dehumidification incasement is equipped with the drier, the dehumidification case export is equipped with the air duct, the air duct export is located cabinet internal portion top, cabinet side face upper portion is equipped with the gas vent, the intake pipe below is equipped with the cooling bottle, be filled with liquid carbon dioxide in the cooling bottle, the cooling bottle export is equipped with the pipe, the pipe links to each other with the intake pipe, cabinet door inboard is equipped with thermometer and hygrometer, the cabinet door openly is equipped with the control cabinet.

Furthermore, a liquid discharge pipe is arranged in the dehumidifying box, and the liquid discharge pipe is provided with a liquid discharge and air blocking check valve.

Furthermore, the front end of the connection part of the air inlet pipe and the guide pipe is provided with a one-way valve, and the included angle between the guide pipe and the air inlet pipe is less than 45 degrees.

Furthermore, an electric control valve is arranged at an outlet of the cooling bottle and electrically connected with the console.

Further, the control cabinet with the thermometer, hygrometer electric connection, the control cabinet is equipped with the LCD screen, but the LCD screen shows temperature, humidity information.

Furthermore, the air inlet pipe, the conduit and the air duct are all made of plastic materials.

Through the setting, when the internal high temperature of cabinet, accessible cooling bottle is to the internal release carbon dioxide of cabinet, makes the internal portion of cabinet cool off rapidly, and during the release carbon dioxide, form the negative pressure between check valve and air inlet cover, make the air flow to the intake pipe and mix with carbon dioxide, the liquefied water that the air cools off the production rapidly is absorbed by the drying cabinet, and dry low temperature air gets into the internal portion of cabinet and plays the cooling effect with carbon dioxide.

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

1. the utility model discloses a liquid carbon dioxide cools off, and liquid carbon dioxide absorbs a large amount of phase transition heats when the gasification, can cool off the cabinet body fast.

2. The utility model is provided with a one-way valve to prevent carbon dioxide gas from flowing back and rushing out from the air inlet.

3. The utility model discloses a pipe and intake pipe contained angle are less than 45, and the high-speed gas that the gasification of the liquid carbon dioxide of being convenient for produced from the intake pipe export blowout to produce the negative pressure in the position before intake pipe and pipe cross, force the air from external inflow intake pipe and mix with carbon dioxide.

4. The air inlet pipe, the air guide pipe and the guide pipe are made of plastic materials, so that the heat insulation effect is good, condensation is not easy to generate, and short circuit is prevented.

Drawings

Fig. 1 is the front view of the cabinet door in the open state.

Fig. 2 is a front view of the cabinet door in a closed state.

Fig. 3 is a structural view of the cabinet body of the utility model.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. an air intake hood; 4. an air inlet pipe; 5. cooling the bottle; 6. a conduit; 7. a one-way valve; 8. a dehumidification box; 9. an air duct; 10. a liquid discharge pipe; 11. a desiccant; 12. a thermometer; 13. a hygrometer; 14. a hinge; 15. an air inlet; 16. an exhaust port; 17. a console; 18. a liquid crystal screen; 19. a liquid discharge choke check valve; 20. an electrically controlled valve.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely illustrative and explanatory of the invention, and are not restrictive thereof.

As shown in fig. 1-3, the utility model provides a power distribution cabinet technical scheme: the utility model provides a switch board that cooling effect is good, includes the cabinet body 1, cabinet door 2, its characterized in that: a hinge 14 is arranged between the cabinet body 1 and the cabinet door 2 and is used for connecting the cabinet body 1 and the cabinet door 2, an air inlet 15 is arranged at the lower part of the side surface of the cabinet body 1, an air inlet hood 3 is arranged at the inner side of the air inlet 15, an air inlet pipe 4 is connected at the outlet of the air inlet hood 3, dust can be prevented from entering the bottom of the power distribution cabinet through the air inlet 15, a dehumidifying box 8 is arranged at the outlet of the air inlet 4, a drying agent 11 is arranged in the dehumidifying box 8 and can absorb moisture in the gas flowing through the dehumidifying box 8, an air duct 9 is arranged at the outlet of the dehumidifying box 8, the outlet of the air duct 9 is positioned above the inner part of the cabinet body 1, so that low-temperature gas flows in from the top of the cabinet body 1, the inner part of the cabinet body 1 is comprehensively cooled by utilizing the heat convection, the inner side of the cabinet door 2 is provided with a thermometer 12 and a hygrometer 13, and the front side of the cabinet door 2 is provided with a console 17.

Preferably, a liquid discharge pipe 10 is arranged in the middle of the dehumidifying box 8, the liquid discharge pipe 10 is provided with a liquid discharge and air blocking check valve 19, when a large amount of moisture is accumulated in the dehumidifying box 8, the moisture can be discharged from the liquid discharge pipe 10, and the liquid discharge and air blocking check valve 19 can enable the liquid discharge pipe 10 to discharge liquid, so that air leakage of the liquid discharge pipe 10 is prevented.

Preferably, the front end of the connection part of the air inlet pipe 4 and the conduit 6 is provided with a one-way valve 7, and the included angle between the conduit 6 and the air inlet pipe 4 is less than 45 degrees, so that carbon dioxide can only flow to the outlet of the air inlet pipe 4.

Preferably, an electric control valve 20 is arranged at the outlet of the cooling bottle 5, and the electric control valve 20 is electrically connected with the console 17 and used for automatically controlling the cooling process.

Preferably, control cabinet 17 and thermometer 12, hygrometer 13 electric connection, control cabinet 17 are equipped with LCD screen 18, and LCD screen 18 can show temperature, humidity information for set for the cooling condition, and conveniently monitor switch board operating condition at any time.

Preferably, intake pipe 4, pipe 6, air duct 9 all adopt the plastics material, use the PVC plastic tubing in this embodiment, can effectively prevent the condensation.

When the temperature-controlled drying cabinet is used, the upper limit temperature and the lower limit temperature are set through the control console 17, when the air temperature in the cabinet body 1 reaches the upper limit temperature, the control console 17 controls the electric control valve 20 to be opened, carbon dioxide is released to reduce the temperature, when the air temperature in the cabinet body 1 is reduced to the lower limit value, the electric control valve 20 is closed, the humidity in the cabinet body 1 is periodically checked through the liquid crystal screen, and if the humidity is too high or liquid flows out from the liquid discharge pipe 10, the drying agent 11 needs to be replaced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a switch board that cooling effect is good, includes the cabinet body (1), cabinet door (2), its characterized in that: the cabinet is characterized in that a hinge (14) is arranged between the cabinet body (1) and the cabinet door (2), an air inlet (15) is arranged at the lower part of the side face of the cabinet body (1), an air inlet cover (3) is arranged on the inner side of the air inlet (15), an air inlet pipe (4) is connected at the outlet of the air inlet cover (3), a dehumidifying box (8) is arranged at the outlet of the air inlet pipe (4), a drying agent (11) is arranged in the dehumidifying box (8), an air guide pipe (9) is arranged at the outlet of the dehumidifying box (8), the outlet of the air guide pipe (9) is positioned above the inner part of the cabinet body (1), an exhaust port (16) is arranged at the upper part of the side face of the cabinet body (1), a cooling bottle (5) is arranged below the air inlet pipe (4), liquid carbon dioxide is filled in the cooling bottle (5), the inside of the cabinet door (2) is provided with a thermometer (12) and a hygrometer (13), and the front side of the cabinet door (2) is provided with a control console (17).

2. The power distribution cabinet with the good cooling effect according to claim 1, characterized in that: a liquid discharge pipe (10) is arranged in the middle of the dehumidification box (8), and the liquid discharge pipe (10) is provided with a liquid discharge and air resistance check valve (19).

3. The power distribution cabinet with the good cooling effect according to claim 1, characterized in that: the air inlet pipe (4) with the front end of pipe (6) junction is equipped with check valve (7), pipe (6) with air inlet pipe (4) contained angle is less than 45.

4. The power distribution cabinet with the good cooling effect according to claim 1, characterized in that: an electric control valve (20) is arranged at the outlet of the cooling bottle (5), and the electric control valve (20) is electrically connected with the control console (17).

5. The power distribution cabinet with the good cooling effect according to claim 1, characterized in that: console (17) with thermometer (12), hygrometer (13) electric connection, Console (17) are equipped with LCD screen (18), LCD screen (18) can show temperature, humidity information.

6. The power distribution cabinet with the good cooling effect according to claim 1, characterized in that: the air inlet pipe (4), the conduit (6) and the air duct (9) are all made of plastic materials.