CN115939993A - Heat dissipation type high-low voltage switch cabinet and heat dissipation cooling method - Google Patents

Heat dissipation type high-low voltage switch cabinet and heat dissipation cooling method Download PDF

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Publication number
CN115939993A
CN115939993A CN202310247321.0A CN202310247321A CN115939993A CN 115939993 A CN115939993 A CN 115939993A CN 202310247321 A CN202310247321 A CN 202310247321A CN 115939993 A CN115939993 A CN 115939993A
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China
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low
voltage
water
cooling
pressure
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CN202310247321.0A
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CN115939993B (en
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张寅�
薛燕
陶巍
张晓旭
胡平
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SHAANXI TONGLI ELECTRIC CO Ltd
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SHAANXI TONGLI ELECTRIC CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
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Abstract

The invention discloses a heat dissipation type high-low voltage switch cabinet and a heat dissipation cooling method, which belong to the technical field of switch cabinets and comprise the following steps: the cabinet body, refrigerator, low pressure component cooling circuit and high-pressure component cooling circuit set up in the cabinet internally, low pressure component cooling circuit is used for cooling the internal low pressure electric element of cabinet, high-pressure component cooling circuit is used for cooling the internal high pressure electric element of cabinet, and when the during operation, low pressure component water-cooling pipe valve and connecting pipe valve are opened, go out the water pipe valve and the inlet tube valve is closed, the circulating pump work, when low pressure electric element or high pressure electric element temperature risees rapidly, the connecting pipe valve is closed, go out water pipe valve and inlet tube valve and open, the intake pump work.

Description

Heat dissipation type high-low voltage switch cabinet and heat dissipation cooling method
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a heat dissipation type high-low voltage switch cabinet and a heat dissipation cooling method.
Background
The high-low voltage switch cabinet is the equipment of connecting high-voltage or low-voltage cable as the name implies, and general power supply office, electric substation all use the high-voltage cabinet, then step down through the transformer and arrive the low-voltage cabinet, the low-voltage cabinet arrives the block terminal of each power consumption again, the inside does not have or just assembles into integrative electrical equipment to some protective device such as switch circuit breaker, high-low voltage switch cabinet is an electrical equipment, the outside line gets into main control switch in the cabinet earlier, then gets into branch control switch, each branch road sets up according to its needs. Such as instruments, automatic control, motor magnetic switches, various alternating current contactors, and the like, some are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some are also provided with low-frequency load shedding for keeping main equipment.
Under the normal condition, the high-low voltage switch cabinet needs to be placed in a certain place in quantity for use, when the high-low voltage switch cabinet is used, current can pass through electrical elements in the high-low voltage switch cabinet, along with the entering of the current, heat can be generated under the action of resistance, and the internal temperature of the switch cabinet is increased.
However, when the high-voltage and low-voltage switch cabinet is used, a current overload condition may occur in the high-voltage component part or the low-voltage component part, so that a temperature of the high-voltage original price part or the low-voltage component part may rise to exceed a predetermined temperature in a short time, if the temperature of the component in which the current overload occurs cannot be effectively lowered in time, an environmental temperature of a surrounding component may be easily affected, so that a safety hazard of the surrounding component may be increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: when the temperature of the high-voltage component part or the low-voltage component part suddenly rises, the high-voltage component part or the low-voltage component part can be effectively cooled, and the influence on surrounding components is reduced.
The technical scheme adopted by the invention to solve the technical problem is as follows: a heat dissipation formula high-low voltage switch cabinet includes: the system comprises a cabinet body, a refrigerator, a low-voltage element cooling loop and a high-voltage element cooling loop;
the refrigerator, the low-voltage element cooling loop and the high-voltage element cooling loop are arranged in the cabinet body;
the low-voltage element cooling loop is used for cooling low-voltage electric elements in the cabinet body, and the high-voltage element cooling loop is used for cooling high-voltage electric elements in the cabinet body;
the low-pressure element cooling loop comprises a low-pressure element water-cooling pipe valve, a circulating pump, a low-pressure element water-cooling pipe, a first transition tank, a water outlet pipe and a water outlet pipe valve, the refrigerator is connected with an inlet of the low-pressure element water-cooling pipe valve, the circulating pump is connected with an outlet of the low-pressure element water-cooling pipe valve, the low-pressure element water-cooling pipe is connected between the circulating pump and the first transition tank, the first transition tank is connected with an inlet of the water outlet pipe valve, and an outlet of the water outlet pipe valve is connected with the refrigerator through the water outlet pipe;
the high-pressure element cooling loop comprises a water inlet pipe valve, a water inlet pump, a water inlet pipe, a second transition tank and a high-pressure element water-cooling pipe, the refrigerator is connected with an inlet of the water inlet pipe valve, an outlet of the water inlet pipe valve is connected with the water inlet pump, the water inlet pump is connected with the second transition tank through the water inlet pipe, and the high-pressure element water-cooling pipe is connected between the second transition tank and the refrigerator;
and a connecting pipe is arranged between the first transition tank and the second transition tank, and a connecting pipe valve is arranged on the connecting pipe.
As a preferable technical solution of the present invention, the low-voltage electrical component is provided with a low-voltage electrical component temperature monitor, the high-voltage electrical component is provided with a high-voltage electrical component temperature monitor, the low-voltage component water-cooling pipe is wound around the low-voltage electrical component, and the high-voltage component water-cooling pipe is wound around the high-voltage electrical component.
As a preferred technical scheme of the present invention, the cabinet body is provided with a controller, and the controller is electrically connected to the low-voltage electrical element temperature monitor, the high-voltage electrical element temperature monitor, the low-voltage element water-cooling pipe valve, the water outlet pipe valve, the water inlet pipe valve, the connecting pipe valve, the circulating pump, and the water inlet pump, respectively.
As a preferred technical scheme of the present invention, a first stirring waterproof motor is disposed in the first transition tank, and an output end of the first stirring waterproof motor is connected to a first stirring rod.
As a preferred technical scheme of the present invention, a second stirring waterproof motor is disposed in the second transition tank, and an output end of the second stirring waterproof motor is connected to a second stirring rod.
As a preferred technical scheme of the present invention, a storage battery is disposed in the cabinet, the storage battery is electrically connected to a first metal wire and a second metal wire respectively, the first metal wire is connected to a low-voltage element water-cooling tube, the second metal wire is connected to a high-voltage element water-cooling tube, and a third metal wire is connected between the low-voltage element water-cooling tube and the high-voltage element water-cooling tube.
As a preferable technical scheme of the invention, a refrigerating unit and a refrigerating pipe are arranged in the refrigerator, the refrigerating pipe is arranged on the refrigerating unit, and the refrigerating unit is electrically connected with the controller.
As a preferred embodiment of the present invention, an auxiliary power supply line is electrically connected between the storage battery and the refrigerator.
As a preferred technical scheme of the present invention, a low-voltage element drying box and a high-voltage element drying box are disposed in the cabinet, the low-voltage element drying box is provided with a plurality of low-voltage element drying through holes, the low-voltage element drying box is disposed near a low-voltage electrical element, the high-voltage element drying box is provided with a plurality of high-voltage element drying through holes, and the high-voltage element drying box is disposed near a high-voltage electrical element.
A method for cooling high-low voltage electric elements by using the heat dissipation type high-low voltage switch cabinet comprises the following steps:
s1: when the circulating pump works normally, the low-pressure element water-cooling pipe valve and the connecting pipe valve are opened, the water outlet pipe valve and the water inlet pipe valve are closed, and the circulating pump works;
s2: the circulating pump pumps the refrigerant in the refrigerator into the low-pressure element water-cooling pipe, the first transition tank, the connecting pipe, the second transition tank and the high-pressure element water-cooling pipe in sequence for circulation;
s3: the low-voltage electric element temperature monitor monitors that the temperature of the low-voltage electric element rapidly rises, or the high-voltage electric element temperature monitor monitors that the temperature of the high-voltage electric element rapidly rises, the low-voltage electric element temperature monitor transmits a signal to the controller or the high-voltage electric element temperature monitor transmits a signal to the controller, the controller controls the valve of the connecting pipe to be closed, the controller controls the valve of the water outlet pipe and the valve of the water inlet pipe to be opened, and the controller controls the water inlet pump to start to work;
s4: the circulating pump pumps the refrigerant in the refrigerator into the low-pressure element water-cooling pipe, the first transition tank and the water outlet pipe in sequence for circulation, and the water inlet pump pumps the refrigerant in the refrigerator into the water inlet pipe, the second transition tank and the high-pressure element water-cooling pipe in sequence for circulation.
The invention has the beneficial effects that:
the temperature of the low-voltage electric element is monitored by the low-voltage electric element temperature monitor, the temperature of the high-voltage electric element is monitored by the high-voltage electric element temperature monitor, when the temperature of the low-voltage electric element or the high-voltage electric element is abnormal, the valve of the connecting pipe is controlled to be closed under the action of the controller, the valve of the water outlet pipe and the valve of the water inlet pipe are opened, and the water inlet pump is controlled to work simultaneously, so that the low-voltage element water-cooling pipe and the high-voltage element water-cooling pipe form two independent water-cooling cycles respectively, the frequency of the cooling cycles in the low-voltage element water-cooling pipe and the high-voltage element water-cooling pipe is increased, the purpose of coping with the abnormal situation of the temperature is achieved, and the influence of the temperature rise on surrounding elements is reduced.
Carry out the temperature monitoring of 40 degrees centigrade to low-voltage electric element through low-voltage electric element temperature monitor, carry out the temperature monitoring of 75 degrees centigrade to high-voltage electric element through high-voltage electric element temperature monitor, through the control of controller to the refrigerator refrigeration effect, ensure when normal use, low-voltage electric element and high-voltage electric element are under the safe temperature.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the low pressure element water cooled tube and the high pressure element water cooled tube of the present invention;
FIG. 3 is a schematic cross-sectional view of a first transition tank section of the present invention;
FIG. 4 is a schematic cross-sectional view of a second transition tank section of the present invention;
FIG. 5 is a schematic cross-sectional view of the refrigerator portion of the present invention;
FIG. 6 is a schematic view of a first waterproof agitator motor and the like according to the present invention;
FIG. 7 is a schematic view of a second waterproof agitator motor and the like according to the present invention;
fig. 8 is a block schematic diagram of the controller portion of the present invention.
In the figure: 1. a cabinet body; 2. a low voltage electrical component; 3. a high-voltage electrical component; 4. a refrigerator; 5. a low-pressure element water-cooled tube; 6. a first transition tank; 7. a connecting pipe; 8. a second transition tank; 9. a high pressure element water cooled tube; 10. a water outlet pipe; 11. a water inlet pipe; 12. a low pressure element water cooled tube valve; 13. a water outlet pipe valve; 14. a water inlet pipe valve; 15. a connecting pipe valve; 16. a refrigeration unit; 17. a refrigeration pipe; 18. a first stirring waterproof motor; 19. a first stirring rod; 20. a second stirring waterproof motor; 21. a second stirring rod; 22. a battery; 23. a first metal line; 24. a second metal line; 25. a third metal line; 26. an auxiliary power supply line; 27. a low-voltage element drying box; 28. a high voltage element drying box; 29. a controller; 30. a circulation pump; 31. a water inlet pump.
Description of the preferred embodiment
The present invention will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-8, a heat dissipation type high-low voltage switch cabinet and a heat dissipation cooling method thereof include a cabinet body 1, a low voltage electric element 2, a high voltage electric element 3, a refrigerator 4, a low voltage element water-cooling pipe 5, a first transition tank 6, a connection pipe 7, a second transition tank 8, a high voltage element water-cooling pipe 9, a water outlet pipe 10, a water inlet pipe 11, a low voltage element water-cooling pipe valve 12, a water outlet pipe valve 13, a water inlet pipe valve 14, a connection pipe valve 15, a refrigeration unit 16, a refrigeration pipe 17, a first stirring waterproof motor 18, a first stirring rod 19, a second stirring waterproof motor 20, a second stirring rod 21, a storage battery 22, a first metal wire 23, a second metal wire 24, a third metal wire 25, an auxiliary power supply wire 26, a low voltage element drying box 27, a high voltage element drying box 28, a controller 29, a circulation pump 30, and a water inlet pump 31.
With reference to fig. 1, 2, 5, and 8, a heat dissipation type high-low voltage switch cabinet includes: the refrigerator comprises a cabinet body 1, a refrigerator 4, a low-voltage element cooling loop and a high-voltage element cooling loop, wherein the refrigerator 4, the low-voltage element cooling loop and the high-voltage element cooling loop are arranged in the cabinet body 1, the low-voltage element cooling loop is used for cooling a low-voltage electric element 2 in the cabinet body 1, the high-voltage element cooling loop is used for cooling a high-voltage electric element 3 in the cabinet body 1, a low-voltage electric element temperature monitor is arranged on the low-voltage electric element 2, a high-voltage electric element temperature monitor is arranged on the high-voltage electric element 3, the low-voltage element cooling loop comprises a low-voltage element water-cooling pipe valve 12, a circulating pump 30, a low-voltage element water-cooling pipe 5, a first transition tank 6, a water outlet pipe 10 and a water outlet pipe valve 13, the high-voltage element cooling loop comprises a water inlet pipe valve 14, a water inlet pump 31, a water inlet pipe 11, a second transition tank 8 and a high-voltage element water-cooling pipe 9, the low-voltage element water-cooling pipe 5 is coiled on the low-voltage electric element 2, the high-voltage element water-cooling pipe 9 is coiled on the high-voltage electric element 3, a refrigerating unit 16 and a refrigerating pipe 17 are arranged in the refrigerator 4, the refrigerating pipe 17 is arranged on the refrigerating unit 16, the refrigerator 4 is connected with an inlet of a low-voltage element water-cooling pipe valve 12, the circulating pump 30 is connected with an outlet of the low-voltage element water-cooling pipe valve 12, the low-voltage element water-cooling pipe 5 is connected between the circulating pump 30 and a first transition tank 6, the first transition tank 6 is connected with an inlet of a water outlet pipe valve 13, an outlet of the water outlet pipe valve 13 is connected with the refrigerator 4 through a water outlet pipe 10, the refrigerator 4 is connected with an inlet of a water inlet pipe valve 14, an outlet of the water inlet pipe valve 14 is connected with a water inlet pump 31, and the water inlet pump 31 is connected with a second transition tank 8 through a water inlet pipe 11, the high-pressure element water-cooling pipe 9 is connected between the second transition tank 8 and the refrigerator 4, the connecting pipe 7 is arranged between the first transition tank 6 and the second transition tank 8, the connecting pipe 7 is provided with a connecting pipe valve 15, the cabinet body 1 is provided with a controller 29, the controller 29 is respectively electrically connected with the low-voltage electric element temperature monitor, the high-voltage electric element temperature monitor, the low-voltage element water-cooling pipe valve 12, the water outlet pipe valve 13, the water inlet pipe valve 14, the connecting pipe valve 15, the circulating pump 30 and the water inlet pump 31, the refrigeration unit 16 is electrically connected with the controller 29, preferably, the controller 29 comprises a signal conversion module, a signal processing module and an output control module, the signal conversion module is electrically connected with the signal processing module, and the signal processing module is electrically connected with the output control module, the output control module is respectively electrically connected with the low-pressure element water-cooling pipe valve 12, the water outlet pipe valve 13, the water inlet pipe valve 14, the connecting pipe valve 15, the circulating pump 30, the water inlet pump 31 and the refrigeration unit 16, the signal conversion module is respectively electrically connected with the low-pressure electric element temperature monitor and the high-pressure electric element temperature monitor, when the normal work is carried out for heat dissipation, the low-pressure element water-cooling pipe valve 12 and the connecting pipe valve 15 are in an open state, the water outlet pipe valve 13 and the water inlet pipe valve 14 are in a closed state, the circulating pump 30 is in a working state, the circulating pump 30 pumps the refrigerant in the refrigerator 4 into the low-pressure element water-cooling pipe 5, the first transition tank 6, the connecting pipe 7, the second transition tank 8 and the high-pressure element water-cooling pipe 9 in sequence, then the refrigerant circularly flows into the refrigerator 4 through the outlet of the high-pressure element water-cooling pipe 9, and completes the refrigeration work of the refrigerant under the action of the refrigeration unit 16, because the cooling temperature of the low-voltage electric element 2 is lower than that of the high-voltage electric element 3, the use efficiency of a refrigerant can be improved while the cooling is ensured by adopting the serial connection mode for cooling, when the abnormal temperature of the low-voltage electric element 2 or the high-voltage electric element 3 is rapidly increased, the low-voltage electric element temperature monitor detects the abnormal temperature signal of the low-voltage electric element 2 or the abnormal temperature signal of the high-voltage electric element 3, the low-voltage electric element temperature monitor or the high-voltage electric element temperature monitor transmits the signal to the signal conversion module for analog-to-digital conversion, then transmits the signal to the signal processing module, the signal processing module transmits the signal to the output control module, the output control module controls the connecting pipe valve 15 to be closed, and simultaneously controls the water outlet pipe valve 13 and the water inlet pipe valve 14 to be opened, then the water inlet pump 31 is controlled to start working, so that the low-pressure element water-cooling pipe 5 and the high-pressure element water-cooling pipe 9 form two independent cooling circulation processes, the circulation frequency of a refrigerant in the low-pressure element water-cooling pipe 5 is increased, the circulation frequency of the refrigerant in the high-pressure element water-cooling pipe 9 is increased, the cooling effects corresponding to the low-pressure element water-cooling pipe 5 and the high-pressure element water-cooling pipe 9 can be improved due to the increase of the circulation frequency of the refrigerant, so as to achieve the purpose of dealing with the temperature abnormity of the low-pressure electric element 2 or the high-pressure electric element 3, meanwhile, when in normal use, the low-pressure electric element temperature monitor is used for monitoring the temperature of the low-pressure electric element 2 at 40 ℃, the high-pressure electric element temperature monitor is used for monitoring the temperature of the high-pressure electric element 3 at 75 ℃, and along with the increase of the working time of the low-pressure electric element 2 and the high-pressure electric element 3, when the temperature of the low-voltage electric element 2 exceeds 40 ℃, or the temperature of the high-voltage electric element 3 exceeds 75 ℃, the low-voltage electric element temperature monitor or the high-voltage electric element temperature monitor transmits a signal to the signal conversion module for analog-to-digital conversion, the signal is transmitted to the signal processing module after the analog-to-digital conversion, and then the signal is transmitted to the output control module, the output control module controls the refrigeration unit 16 to increase power, so as to improve the refrigeration effect of the refrigerator 4, thereby improving the cooling and heat dissipation effects of the refrigerant when the refrigerant flows through the low-voltage element water-cooling pipe 5 and the high-voltage element water-cooling pipe 9, according to the working requirement, the condition that the low-voltage electric element 2 is used alone exists, when only the low-voltage electric element 2 is needed, the operation information is manually input into the signal processing module in advance, the signal processing module transmits the signal to the output control module, the output control module controls the refrigerant valve 15 to close the flow channel of the connecting pipe 7, simultaneously, the water outlet valve 13 is opened, so that the purpose of refrigeration and heat dissipation of the low-voltage electric element 2 is only needed, the consumption of refrigeration energy of the refrigerator 4 is reduced, when only the high-voltage electric element 3 is needed, the water-cooling and water-cooling water-circulating pump control module starts to stop the signal-water-circulating pump, the signal-circulating pump 12, and water-circulating pump control module, and the water-circulating pump control module.
As shown in fig. 1-4 and 6-7, a first stirring waterproof motor 18 is arranged in the first transition tank 6, an output end of the first stirring waterproof motor 18 is connected with a first stirring rod 19, a second stirring waterproof motor 20 is arranged in the second transition tank 8, an output end of the second stirring waterproof motor 20 is connected with a second stirring rod 21, the first stirring rod 19 is driven to rotate by the first stirring waterproof motor 18, the first rotating stirring rod 19 is used for stirring the refrigerant in the first transition tank 6, the circulation efficiency of the refrigerant in the first transition tank 6 can be ensured by stirring, the second stirring waterproof motor 20 is driven to rotate by the second stirring rod 21, the second rotating stirring rod 21 is used for stirring the refrigerant in the second transition tank 8, and the circulation efficiency of the refrigerant in the second transition tank 8 can be ensured by stirring.
As shown in fig. 1-2, a storage battery 22 is disposed in the cabinet 1, the storage battery 22 is electrically connected to a first metal wire 23 and a second metal wire 24, the first metal wire 23 is connected to the low-voltage element water-cooling tube 5, the second metal wire 24 is connected to the high-voltage element water-cooling tube 9, a third metal wire 25 is connected between the low-voltage element water-cooling tube 5 and the high-voltage element water-cooling tube 9, an auxiliary power supply line 26 is electrically connected between the storage battery 22 and the refrigerator 4, and by providing the first metal wire 23, the second metal wire 24 and the third metal wire 25, the storage battery 22 is combined, under the effect of the seebeck effect, current can be generated in the first metal wire 23 and the second metal wire 24 and stored in the storage battery 22, and auxiliary power can be provided to the refrigerator 4 through the auxiliary power supply line 26, so as to achieve the purpose of converting heat energy and electric energy.
Referring to the attached drawing 1, a low-voltage element drying box 27 is arranged in the cabinet body 1, a plurality of low-voltage element drying through holes are formed in the low-voltage element drying box 27, the low-voltage element drying box 27 is close to the low-voltage electric element 2, a high-voltage element drying box 28 is arranged in the cabinet body 1, a plurality of high-voltage element drying through holes are formed in the high-voltage element drying box 28, the high-voltage element drying box 28 is close to the high-voltage electric element 3, and drying agents are placed in the low-voltage element drying box 27 and the high-voltage element drying box 28, so that a damp-proof effect is achieved.
A method for cooling high-low voltage electric elements by using the heat dissipation type high-low voltage switch cabinet comprises the following steps:
s1: when the low-pressure element water-cooling pipe valve 12 and the connecting pipe valve 15 are opened in normal work, the water outlet pipe valve 13 and the water inlet pipe valve 14 are closed, and the circulating pump 30 works;
s2: the circulating pump 30 pumps the refrigerant in the refrigerator 4 into the low-pressure element water-cooling pipe 5, the first transition tank 6, the connecting pipe 7, the second transition tank 8 and the high-pressure element water-cooling pipe 9 in sequence for circulation;
s3: the low-voltage electrical element temperature monitor monitors that the temperature of the low-voltage electrical element 2 rises rapidly, or the high-voltage electrical element temperature monitor monitors that the temperature of the high-voltage electrical element 3 rises rapidly, the low-voltage electrical element temperature monitor transmits a signal to the controller 29 or the high-voltage electrical element temperature monitor transmits a signal to the controller 29, the controller 29 controls the connecting pipe valve 15 to be closed, the controller 29 controls the water outlet pipe valve 13 and the water inlet pipe valve 14 to be opened, and the controller 29 controls the water inlet pump 31 to start working;
s4: the circulating pump 30 pumps the refrigerant in the refrigerator 4 into the low-pressure element water-cooling pipe 5, the first transition tank 6 and the water outlet pipe 10 in sequence for circulation, and the water inlet pump 31 pumps the refrigerant in the refrigerator 4 into the water inlet pipe 11, the second transition tank 8 and the high-pressure element water-cooling pipe 9 in sequence for circulation.
The working principle is as follows: when the refrigerator is used, a refrigerant is filled in the refrigerator 4, under the normal temperature condition, the low-pressure element water-cooling pipe valve 12 and the connecting pipe valve 15 are in an open state, the water outlet pipe valve 13 and the water inlet pipe valve 14 are in a closed state, the circulating pump 30 works, the refrigerant in the refrigerator 4 is sequentially pumped into the low-pressure element water-cooling pipe 5, the first transition tank 6, the connecting pipe 7, the second transition tank 8 and the high-pressure element water-cooling pipe 9, the low-pressure element water-cooling pipe 5 is used for cooling the low-pressure electrical element 2, the high-pressure electrical element 3 is used for cooling the high-pressure electrical element 3, when the temperature is rapidly increased due to the overload of partial current of the low-pressure electrical element 2, the temperature monitor of the low-pressure electrical element monitors the temperature to be increased, or when the temperature is rapidly increased due to the overload of partial current of the high-pressure electrical element 3, the temperature monitor of the high-pressure electrical element transmits a signal to the controller 29 or transmits a signal to the controller 29, the controller 29 controls the connecting pipe valve 15 to be closed, the water outlet pipe valve 13 and the water inlet pipe valve 14 to be opened, the high-pressure electrical element water-cooling pipe 5 and the high-pressure electrical element water-cooling pipe 9 to be independently cooled, and the high-pressure element water-cooling pipe 9 to be cooled to be independent.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the above embodiments and descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A heat dissipation formula high-low voltage switch cabinet includes: cabinet body (1), refrigerator (4), low pressure component cooling circuit and high-pressure component cooling circuit, its characterized in that:
the refrigerator (4), the low-voltage element cooling loop and the high-voltage element cooling loop are arranged in the cabinet body (1);
the low-voltage element cooling loop is used for cooling low-voltage electric elements (2) in the cabinet body (1), and the high-voltage element cooling loop is used for cooling high-voltage electric elements (3) in the cabinet body (1);
the low-pressure element cooling loop comprises a low-pressure element water-cooling pipe valve (12), a circulating pump (30), a low-pressure element water-cooling pipe (5), a first transition tank (6), a water outlet pipe (10) and a water outlet pipe valve (13), the refrigerator (4) is connected with an inlet of the low-pressure element water-cooling pipe valve (12), the circulating pump (30) is connected with an outlet of the low-pressure element water-cooling pipe valve (12), the low-pressure element water-cooling pipe (5) is connected between the circulating pump (30) and the first transition tank (6), the first transition tank (6) is connected with an inlet of the water outlet pipe valve (13), and an outlet of the water outlet pipe valve (13) is connected with the refrigerator (4) through the water outlet pipe (10);
the high-pressure element cooling loop comprises a water inlet pipe valve (14), a water inlet pump (31), a water inlet pipe (11), a second transition tank (8) and a high-pressure element water-cooling pipe (9), the refrigerator (4) is connected with an inlet of the water inlet pipe valve (14), an outlet of the water inlet pipe valve (14) is connected with the water inlet pump (31), the water inlet pump (31) is connected with the second transition tank (8) through the water inlet pipe (11), and the high-pressure element water-cooling pipe (9) is connected between the second transition tank (8) and the refrigerator (4);
a connecting pipe (7) is arranged between the first transition tank (6) and the second transition tank (8), and a connecting pipe valve (15) is arranged on the connecting pipe (7).
2. The heat dissipation type high-low voltage switch cabinet according to claim 1, characterized in that: the low-voltage electric element (2) is provided with a low-voltage electric element temperature monitor, the high-voltage electric element (3) is provided with a high-voltage electric element temperature monitor, the low-voltage element water-cooling pipe (5) is wound on the low-voltage electric element (2), and the high-voltage element water-cooling pipe (9) is wound on the high-voltage electric element (3).
3. The heat dissipation type high-low voltage switch cabinet according to claim 2, wherein: be provided with controller (29) on the cabinet body (1), controller (29) respectively with low pressure electric elements temperature monitor, high-pressure electric elements temperature monitor, low pressure component water-cooling pipe valve (12), outlet pipe valve (13), inlet tube valve (14), connecting pipe valve (15), circulating pump (30) and intake pump (31) electric connection.
4. The heat dissipation type high-low voltage switch cabinet according to claim 1, wherein: a first stirring waterproof motor (18) is arranged in the first transition tank (6), and the output end of the first stirring waterproof motor (18) is connected with a first stirring rod (19).
5. The heat dissipation type high-low voltage switch cabinet according to claim 1, characterized in that: and a second stirring waterproof motor (20) is arranged in the second transition tank (8), and the output end of the second stirring waterproof motor (20) is connected with a second stirring rod (21).
6. The heat dissipation type high-low voltage switch cabinet according to claim 1, wherein: the solar water-cooling type refrigerator is characterized in that a storage battery (22) is arranged in the refrigerator body (1), the storage battery (22) is respectively and electrically connected with a first metal wire (23) and a second metal wire (24), the first metal wire (23) is connected with a low-voltage element water-cooling pipe (5), the second metal wire (24) is connected with a high-voltage element water-cooling pipe (9), and a third metal wire (25) is connected between the low-voltage element water-cooling pipe (5) and the high-voltage element water-cooling pipe (9).
7. The heat dissipation type high-low voltage switch cabinet according to claim 3, wherein: the refrigerator is characterized in that a refrigerating unit (16) and a refrigerating pipe (17) are arranged in the refrigerator (4), the refrigerating pipe (17) is arranged on the refrigerating unit (16), and the refrigerating unit (16) is electrically connected with the controller (29).
8. The heat dissipation type high-low voltage switch cabinet according to claim 6, wherein: and an auxiliary power supply line (26) is electrically connected between the storage battery (22) and the refrigerator (4).
9. The heat dissipation type high-low voltage switch cabinet according to claim 1, characterized in that: be provided with low pressure component drying box (27) and high-pressure component drying box (28) in the cabinet body (1), a plurality of low pressure component drying through-holes have been seted up on low pressure component drying box (27), low pressure component drying box (27) are close to low-pressure electric elements (2) position and set up, a plurality of high-pressure component drying through-holes have been seted up on high-pressure component drying box (28), high-pressure component drying box (28) are close to high-pressure electric elements (3) position and set up.
10. A method for cooling high-voltage and low-voltage electric elements by heat dissipation type high-voltage and low-voltage switch cabinets according to any one of claims 1-9, which is characterized by comprising the following steps:
s1: when the device normally works, the low-pressure element water-cooling pipe valve (12) and the connecting pipe valve (15) are opened, the water outlet pipe valve (13) and the water inlet pipe valve (14) are closed, and the circulating pump (30) works;
s2: the circulating pump (30) pumps the refrigerant in the refrigerator (4) into the low-pressure element water-cooling pipe (5), the first transition tank (6), the connecting pipe (7), the second transition tank (8) and the high-pressure element water-cooling pipe (9) in sequence for circulation;
s3: the low-voltage electric element temperature monitor monitors that the temperature of the low-voltage electric element (2) rapidly rises or the high-voltage electric element temperature monitor monitors that the temperature of the high-voltage electric element (3) rapidly rises, the low-voltage electric element temperature monitor transmits a signal to the controller (29) or the high-voltage electric element temperature monitor transmits a signal to the controller (29), the controller (29) controls the connecting pipe valve (15) to be closed, the controller (29) controls the water outlet pipe valve (13) and the water inlet pipe valve (14) to be opened, and the controller (29) controls the water inlet pump (31) to start working;
s4: the circulating pump (30) pumps the refrigerant in the refrigerator (4) into the low-pressure element water-cooling pipe (5), the first transition tank (6) and the water outlet pipe (10) in sequence for circulation, and the water inlet pump (31) pumps the refrigerant in the refrigerator (4) into the water inlet pipe (11), the second transition tank (8) and the high-pressure element water-cooling pipe (9) in sequence for circulation.
CN202310247321.0A 2023-03-15 2023-03-15 Heat dissipation type high-low voltage switch cabinet and heat dissipation cooling method Active CN115939993B (en)

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