CN217884270U - Object-oriented electrical cabinet cooling system - Google Patents
Object-oriented electrical cabinet cooling system Download PDFInfo
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- CN217884270U CN217884270U CN202221145569.3U CN202221145569U CN217884270U CN 217884270 U CN217884270 U CN 217884270U CN 202221145569 U CN202221145569 U CN 202221145569U CN 217884270 U CN217884270 U CN 217884270U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
An object-oriented electric screen cabinet cooling system comprises a precise air conditioning system, an electric screen cabinet, internal electric equipment, an air supply pipeline, an electric air mixing port, an electric air quantity regulating valve, a temperature and humidity sensor, a data acquisition system and a control and display system. The top air-out type precision air conditioner indoor unit is connected with an electric screen cabinet through an air supply main pipe and a corresponding air supply branch pipe, and air conditioner cold air is directly sent into the electric screen cabinet to realize object-oriented cooling. Electric screen cabinet includes the electric screen cabinet air intake, built-in air supply riser and the built-in supply-air outlet at inside electrical equipment, top, the utility model discloses improved electric screen cabinet the cooling effect, improved the cooling efficiency of system, had wide application prospect.
Description
Technical Field
The utility model relates to an electrical equipment cooling technology field, concretely relates to towards object's electric screen cabinet cooling system.
Background
Realizing carbon peak carbon neutralization is a great strategic decision in China. The economy of China enters a high-quality development stage from a high-speed growth stage, is green, low-carbon and sustainable, and is an important connotation of high-quality development. With the continuous development of economy, the demand for electric power keeps on a rapid growth trend. The energy consumption problem of power plants, transformer substations and other power systems of the national carbon emission reduction mastership is increasingly prominent, wherein the energy consumption of an air conditioning system is quite high. In an electric power system, a plurality of electric cabinets have great influence on safe and stable operation of the electric power system due to temperature and humidity, and abnormal conditions such as device alarm and communication abnormity can be caused due to overhigh temperature and humidity. Therefore, energy-saving measures are effectively taken to ensure that the electric screen cabinet normally operates in a reasonable temperature and humidity range, and the electric screen cabinet is very important for the stability of the electric power system, energy conservation and consumption reduction.
The common cooling technology of the current electric cubicle comprises the following steps: the fan cooling mode is adopted to enhance convection to cool the electric screen cabinet chamber, the external cooling mode is adopted to carry out integral cooling on the electric screen cabinet chamber, and the internal cooling mode of installing the small air conditioner on the electric screen cabinet body is adopted. Dust, oil stain and corrosive substances in the outside air are easily introduced into the electric screen cabinet by adopting a fan cooling mode, so that electronic elements are influenced, the cooling completely depends on the outdoor temperature, and the temperature and humidity control in a GIS room cannot be effectively ensured; by adopting an external cooling mode, cold air cannot deeply cool the interior of the case, the cooling of important elements cannot be guaranteed, and the room air conditioner has high investment and high operation cost; the conventional internal cooling mode cannot realize the purpose of realizing air volume adjustment according to the change condition of heat productivity in the electric screen cabinet, so that the energy-saving effect is achieved, the hidden danger that the dew condensation phenomenon influences the normal operation of electric equipment in the cabinet exists, and the heat exhaust of the air conditioner is completely discharged indoors to influence the refrigeration efficiency of the air conditioning system.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, designed an object-oriented electric screen cabinet cooling system in order to improve electric screen cabinet's cooling effect, improve cooling efficiency, realize accurate location, accurate ration, accurate accuse temperature.
The purpose of the utility model is accomplished through following technical scheme: an object-oriented cooling system of an electrical screen cabinet comprises a precision air conditioner outdoor unit, a top-outlet type precision air conditioner indoor unit, the electrical screen cabinet, a control computer display system and a data acquisition system, wherein the top-outlet type precision air conditioner indoor unit is connected with the electrical screen cabinet through an air supply main pipe and an air supply branch pipe, and air conditioner cold air is directly fed into the electrical screen cabinet to realize object-oriented cooling; the precise air conditioner outdoor unit, the top-air-out type precise air conditioner indoor unit, the electric air volume adjusting valve and the electric air volume mixing air port are connected through a refrigerant pipe, heat in the electric screen cabinet is discharged to the outside, the electric air volume adjusting valve, the air supply branch pipe humidity sensor and the air supply branch pipe temperature sensor are arranged on the air supply branch pipe, the cabinet inside humidity sensor and the cabinet inside temperature sensor are respectively arranged in the electric screen cabinet, the electric air mixing air port is arranged on the air supply main pipe, the data of the precise air conditioner outdoor unit, the top-air-out type precise air conditioner indoor unit, the electric air volume adjusting valve, the electric air mixing air port, the air supply branch pipe humidity sensor, the air supply branch pipe temperature sensor, the cabinet inside humidity sensor and the cabinet inside temperature sensor are connected with a data acquisition system, the data acquisition system is connected with a control machine display system, and the control and display system analyzes and then sends adjusting signals to the precise air conditioner outdoor unit, the top-air-out type precise air conditioner indoor unit, the electric air volume adjusting valve and the electric air mixing air port to carry out system control.
Preferably, the method comprises the following steps: the electric screen cabinet comprises internal electric equipment, an electric screen cabinet air inlet at the top, a rear side, an electric screen cabinet air outlet, a built-in air supply vertical pipe vertically arranged on one side and a built-in air supply outlet on the air supply vertical pipe, wherein the air supply branch pipe is connected with the electric screen cabinet air inlet, the electric screen cabinet air inlet is connected with the built-in air supply vertical pipe, and a plurality of built-in air supply outlets are arranged at intervals at the position where the electric equipment is kept away from on the built-in air supply vertical pipe.
Preferably, the method comprises the following steps: the air supply main pipe, the air supply branch pipe, the air inlet of the electric screen cabinet, the built-in air supply vertical pipe and the built-in air supply outlet are subjected to heat preservation treatment, so that condensed water is prevented from being generated in the electric screen cabinet to influence the normal operation of the electric equipment, and the built-in air supply outlet has an adjusting function and can properly adjust the air supply angle according to needs; the air outlet of the electric screen cabinet adopts the airtight shutter and has a non-return function, so that unclean indoor air is prevented from polluting the electric screen cabinet when the cooling system is stopped.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the electric cabinet of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: fig. 1-2 show, an object-oriented electric screen cabinet cooling system, including precision air conditioner outdoor unit 1, top-out type precision air conditioner indoor unit 2, electric screen cabinet 3, air supply main pipe 4, air supply branch pipe 5, electronic air quantity regulating valve 6, electrical equipment 7, electric screen cabinet air intake 8, electric screen cabinet air outlet 9, electronic air mixing port 10, built-in air supply riser 11, built-in air supply port 12, data acquisition system 13 and control and display system 14. The top air-out type precision air conditioner indoor unit 2 is connected with the electric screen cabinet 3 through the air supply main pipe 4 and the air supply branch pipe 5, and air conditioner cold air is directly sent into the electric screen cabinet 3 to realize object-oriented cooling. The precision air conditioner outdoor unit 1 is connected with the top-outlet precision air conditioner indoor unit 2 through a refrigerant pipe, and discharges the heat of the electrical equipment 7 in the electrical screen cabinet 3 to the outside. The precise air conditioner outdoor unit 1 and the top-outlet precise air conditioner indoor unit 2 can adjust the output condition of the equipment according to requirements. The electric air mixing port 10 is arranged on the air supply main pipe 4, and the air supply temperature can be adjusted by mixing indoor hot air in a certain proportion. The electric air volume adjusting valve 6 is arranged on the air supply branch pipe 5, and the required air supply volume is adjusted according to the heat productivity of the electrical equipment 7 in the electrical screen cabinet 3.
The electric screen cabinet 3 comprises internal electric equipment 7, an electric screen cabinet air inlet 8 at the top, an electric screen cabinet air outlet 9 at the rear side, a built-in air supply vertical pipe 11 and a built-in air supply outlet 12. The air inlet 8 of the electric screen cabinet is connected with a built-in air supply vertical pipe 11, and a plurality of built-in air supply outlets 12 are arranged on the built-in air supply vertical pipe 11 at intervals and avoid the electric equipment 7. The built-in air supply outlet 12 has an adjusting function, and the air supply angle can be properly adjusted according to the requirement. The air outlet 9 of the electric screen cabinet adopts closed shutters and has a non-return function.
An air supply branch pipe humidity sensor 15 and an air supply branch pipe temperature sensor 16 are arranged on the air supply branch pipe 5 and used for monitoring the air supply temperature T1 and the humidity H1. The in-cabinet humidity sensor 17 and the in-cabinet temperature sensor 18 are arranged inside the electrical screen cabinet 3 and used for monitoring the in-cabinet temperature T2 and the in-cabinet humidity H2. Relevant signals of the precision air conditioner outdoor unit 1, the top-outlet precision air conditioner indoor unit 2, the electric air volume adjusting valve 6, the electric air mixing port 10, the air supply branch pipe humidity sensor 15, the air supply branch pipe temperature sensor 16, the in-cabinet humidity sensor 17 and the in-cabinet temperature sensor 18 are fed back to the data acquisition system 13, and are analyzed and processed by the control and display system 14 to send adjusting signals to the precision air conditioner outdoor unit 1, the top-outlet precision air conditioner indoor unit 2, the electric air volume adjusting valve 6 and the electric air mixing port 10 for system control.
The utility model discloses a control method of object-oriented electrical screen cabinet cooling system as follows:
when the temperature values T2 monitored by the in-cabinet temperature sensors 18 in all the electric screen cabinets 3 are lower than or higher than the set in-cabinet temperature setting interval, the total air supply amount of the precision air conditioner outdoor unit 1 and the top-outlet precision air conditioner indoor unit 2 is adjusted; when the temperature value T2 monitored by the cabinet internal temperature sensor 18 in the individual electric screen cabinet 3 is lower or higher than the set cabinet internal temperature setting range, the opening of the electric air volume adjusting valve 6 is controlled to adjust the corresponding air volume.
The control and display system 14 calculates the dew point temperature T3 in the electrical screen cabinet 3 in real time according to the temperature T2 and the humidity H2 in the cabinet monitored by the humidity sensor 17 in the cabinet and the temperature sensor 18 in the cabinet, and ensures that the air supply temperature monitored by the air supply branch pipe temperature sensor 16 is greater than the dew point temperature in the cabinet (T1 > T3). The adjustment of the air supply temperature is realized by adjusting the output of the precision air conditioner outdoor unit 1 and the top-outlet precision air conditioner indoor unit 2 or by controlling the opening of the electric air mixing port 10 to mix a certain proportion of indoor hot air.
The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit 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. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.
Claims (3)
1. The utility model provides an object-oriented electric screen cabinet cooling system, it includes accurate air condensing units (1), top air-out formula accurate air conditioning indoor set (2), electric screen cabinet (3), control machine display system (14), data acquisition system (13), its characterized in that: the top air-out type precision air-conditioning indoor unit (2) is connected with the electric screen cabinet (3) through the air supply main pipe (4) and the air supply branch pipe (5), and air-conditioning cold air is directly sent into the electric screen cabinet (3) to realize object-oriented cooling; the precise air-conditioning outdoor unit (1) is connected with the top-outlet precise air-conditioning indoor unit (2) through a refrigerant pipe, heat in the electric screen cabinet (3) is discharged to the outside, an electric air volume adjusting valve (6), an air supply branch pipe humidity sensor (15) and an air supply branch pipe temperature sensor (16) are arranged on the air supply branch pipe (5), an in-cabinet humidity sensor (17) and an in-cabinet temperature sensor (18) are respectively arranged in the electric screen cabinet (3), the electric air mixing air port (10) is arranged on the air supply main pipe (4), the data of the precise air-conditioning outdoor unit (1), the top-outlet precise air-conditioning indoor unit (2), the electric air volume adjusting valve (6), the electric air mixing air port (10), the air supply branch pipe humidity sensor (15), the air supply branch pipe temperature sensor (16), the in-cabinet humidity sensor (17) and the in-cabinet temperature sensor (18) are connected with a data acquisition system (13), the data acquisition system (13) is connected with a control computer display system (14), and the precise air-conditioning outdoor unit (1), the top-outlet precise air-conditioning outdoor unit (2) and the electric air mixing air port (6) are controlled by electric air volume adjusting system (10) and electric air mixing air volume adjusting signal control signal.
2. The object-oriented electrical cabinet cooling system of claim 1, wherein: electric screen cabinet (3) including inside electrical equipment (7), the electric screen cabinet air intake (8), the rear side at top built-in air supply riser (11) and built-in supply-air outlet (12) on air supply riser (11) of vertical arrangement of electric screen cabinet air outlet (9), one side, this air supply branch pipe (5) with electric screen cabinet air intake (8) are connected, electric screen cabinet air intake (8) with built-in air supply riser (11) are connected, avoid on built-in air supply riser (11) electrical equipment (7) department interval sets up the several built-in supply-air outlet (12).
3. The object-oriented electrical cabinet cooling system of claim 1 or 2, wherein: the air supply main pipe (4), the air supply branch pipes (5), the air inlet (8) of the electric screen cabinet, the built-in air supply vertical pipe (11) and the built-in air supply outlet (12) are subjected to heat preservation treatment, so that the normal operation of the electric equipment (7) is prevented from being influenced by the generation of condensed water in the electric screen cabinet (3), and the built-in air supply outlet (12) has an adjusting function and can be used for properly adjusting the air supply angle as required; the air outlet (9) of the electric screen cabinet adopts a closed shutter with a non-return function, so that unclean air in the room is prevented from polluting the electric screen cabinet (3) when the cooling system is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221145569.3U CN217884270U (en) | 2022-05-13 | 2022-05-13 | Object-oriented electrical cabinet cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221145569.3U CN217884270U (en) | 2022-05-13 | 2022-05-13 | Object-oriented electrical cabinet cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217884270U true CN217884270U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221145569.3U Active CN217884270U (en) | 2022-05-13 | 2022-05-13 | Object-oriented electrical cabinet cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217884270U (en) |
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2022
- 2022-05-13 CN CN202221145569.3U patent/CN217884270U/en active Active
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