CN108808516A - High-low pressure voltage switchgear with refrigeration radiating function - Google Patents

High-low pressure voltage switchgear with refrigeration radiating function Download PDF

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Publication number
CN108808516A
CN108808516A CN201810609882.XA CN201810609882A CN108808516A CN 108808516 A CN108808516 A CN 108808516A CN 201810609882 A CN201810609882 A CN 201810609882A CN 108808516 A CN108808516 A CN 108808516A
Authority
CN
China
Prior art keywords
cabinet
refrigeration system
refrigeration
fixed
evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810609882.XA
Other languages
Chinese (zh)
Inventor
王怀丰
王宗
李纯照
王龙
陈大伟
徐海
陈菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huainan Wantai Electric Co Ltd
Original Assignee
Huainan Wantai Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huainan Wantai Electric Co Ltd filed Critical Huainan Wantai Electric Co Ltd
Priority to CN201810609882.XA priority Critical patent/CN108808516A/en
Publication of CN108808516A publication Critical patent/CN108808516A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a kind of high-low pressure voltage switchgears with refrigeration radiating function.Including refrigeration system, temperature sensor, controller, cabinet and uniform air dispersion plate;The cabinet is arranged on horizontal working face;The refrigeration system is arranged in refrigeration system babinet;The uniform air dispersion plate is welded on cabinet interior lower end;The temperature sensor is fixed at cabinet inner upper end face;The controller is fixed at cabinet inner upper end face, temperature sensor right side;The device reasonable design, it is easy to use, it realizes and control is detected to in-cabinet temperature, pass through the cooling in refrigeration system generation cold air progress cabinet.

Description

High-low pressure voltage switchgear with refrigeration radiating function
Technical field
The present invention relates to a kind of switchgear technology, especially a kind of high-low pressure complete switch with refrigeration radiating function Cabinet.
Background technology
High-low pressure voltage switchgear is exactly as its name suggests to meet high pressure or the equipment of type low-voltage cable, general power supply bureau and electric substation All it is to use high-voltage board, then arrives low-voltage cabinet again through transformer pressure-reducing, low-voltage cabinet arrives the distribution box of each electricity consumption again, and the inside is nothing but It is the electrical equipment that some switch disconnectors etc protection device is assembled integrally;High-low pressure voltage switchgear is typically multiple Use in groups, calorific value is larger, and existing frequently-used heat dissipating method be it is simple open blinds hole on the cabinet and radiate, and High-low pressure voltage switchgear is provided in interior, and air circulation condition is poor, and heat dissipation effect is poor, influences electrical equipment in cabinet Work.
Invention content
In view of above-mentioned condition, it is necessary to which providing one kind can cool down to high-low pressure voltage switchgear, reach protection cabinets The Novel bunk of interior electrical equipment normal work presses voltage switchgear.
A kind of high-low pressure voltage switchgear with refrigeration radiating function, including air filtration core, exhaust column, refrigeration system System, cold wind enter pipe, temperature sensor, controller, cabinet, refrigeration system babinet, relieve heat guard, relieve heat hole and uniform relieve heat Plate;The cabinet is arranged on horizontal working face;The refrigeration system babinet is fixed at cabinet upper surface;The refrigeration System is arranged in refrigeration system babinet, including helical-lobe compressor, refrigerator, condensation water tank, strainer, expansion valve and evaporator; The helical-lobe compressor is fixed at refrigeration system babinet upper end;The refrigerator setting is right in refrigeration system box house Side, refrigerator are connected by the gas vent of pipeline helical-lobe compressor;The right end in refrigerator is arranged in the condensation water tank;The filter Net is arranged in refrigeration system box body interior lower end;The expansion valve is arranged on the left of refrigeration system box house, and expansion valve passes through Pipeline is connect with strainer;The evaporator is arranged on the left of refrigeration system box house, passes through pipe between evaporator and expansion valve Road connects;The cold wind enters pipe one end and is fixed at evaporator exit, and the other end is arranged in lower end on the left of cabinet;Institute It states uniform air dispersion plate and is welded on cabinet interior lower end;The relieve heat guard is fixed in cabinet right end wall;The temperature passes Sensor is fixed at cabinet inner upper end face;The controller is fixed at cabinet inner upper end face, and temperature sensor is right Side.
As a further solution of the present invention:It is provided with relieve heat hole in the uniform air dispersion plate.
As a further solution of the present invention:The controller passes through pilot and temperature sensor and helical-lobe compressor Connection.
Compared with prior art, the beneficial effects of the invention are as follows:
Electrical equipment is arranged in apparatus of the present invention cabinet to combine to form high-low pressure voltage switchgear;Start that high-low pressure is complete opens When pass cabinet is worked, a large amount of heat is will produce in cabinet, temperature increases meeting when temperature sensor measurement temperature reaches alarming value Controller is fed back to, controller controls helical-lobe compressor and starts, and helical-lobe compressor extracts air, air filtration core by exhaust column The impurity in air can be filtered off, helical-lobe compressor is intermeshed rotation by internal a pair of of the helical rotor being arranged in cylinder Turn, cause the variation of the element volume by flute profile space, realizes the compression to refrigerant gas;Refrigerator is by the lower steam of pressure It is compressed into the higher steam of pressure, so that the volume of steam is reduced, pressure rise;Expansion valve keeps the liquid refrigerant of medium temperature high pressure logical Its throttling is crossed as the moist steam of low-temp low-pressure, then refrigerant absorbs heat in evaporator and reaches refrigeration effect, expansion valve Changed come control valve flow by the degree of superheat of evaporator end, prevents evaporator area underutilization and engine knock is existing As;The condensed fluid of low temperature by evaporator, is carried out heat exchange, gasification heat absorption reaches refrigeration by evaporator with extraneous air Effect;Cold wind enters pipe into the cavity between uniform air dispersion plate by cold wind, is uniformly shed in cabinet by relieve heat hole Setting electrical equipment is cooled down, and hot air is discharged by relieve heat guard;The device reasonable design, easy to use, realization pair In-cabinet temperature detection control generates the cooling in cold air progress cabinet by refrigeration system.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the refrigeration system of the embodiment of the present invention;
Fig. 3 is the temperature controlled schematic diagram of the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of the refrigeration system work of the embodiment of the present invention;
In figure:1- air filtration cores, 2- exhaust columns, 3- refrigeration systems, 4- cold wind enter pipe, 5- temperature sensors, 6- controls Device processed, 7- cabinets, 8- refrigeration system babinets, 9- relieve heat guards, 10- relieve heats hole, the uniform air dispersion plates of 11-, 12- helical-lobe compressors, 13- refrigerators, 14- condensation water tanks, 15- strainers, 16- expansion valves, 17- evaporators.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention assembles heat dissipation type high-low pressure voltage switchgear and is further elaborated.It should be appreciated that described herein specific Embodiment only to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1-4, the high-low pressure voltage switchgear with refrigeration radiating function of the embodiment of the present invention, including air Filtration core 1, exhaust column 2, refrigeration system 3, cold wind enter pipe 4, temperature sensor 5, controller 6, cabinet 7, refrigeration system babinet 8, relieve heat guard 9, relieve heat hole 10 and uniform air dispersion plate 11;The cabinet 7 is arranged on horizontal working face;The refrigeration system Babinet 8 is fixed at 7 upper surface of cabinet;The refrigeration system 3 is arranged in refrigeration system babinet 8, including helical-lobe compressor 12, refrigerator 13, condensation water tank 14, strainer 15, expansion valve 16 and evaporator 17;The helical-lobe compressor 12 is fixed at system 8 upper end of cooling system babinet, helical-lobe compressor 12 are intermeshed rotation by internal a pair of of the helical rotor being arranged in cylinder, cause By the variation of the element volume in flute profile space, the compression to refrigerant gas is realized;The refrigerator 13 is arranged in refrigeration system box 8 inner right side of body, refrigerator 13 are connected by the gas vent of pipeline helical-lobe compressor 12, and refrigerator 13 is by the lower steam of pressure It is compressed into the higher steam of pressure, so that the volume of steam is reduced, pressure rise;The condensation water tank 14 is arranged in refrigerator 13 Right end;The strainer 15 is arranged in 8 interior lower end of refrigeration system babinet, and strainer 15 has the function of overanxious impurity, strainer 15 and Refrigerator 13 is connected by pipeline;The expansion valve 16 is arranged in 8 inside left of refrigeration system babinet, and expansion valve 16 passes through pipeline It is connect with strainer 15, expansion valve 16 makes moist steam of the liquid refrigerant of medium temperature high pressure by its throttling as low-temp low-pressure, so Refrigerant absorbs heat in evaporator and reaches refrigeration effect afterwards, and expansion valve changes to control by the degree of superheat of evaporator end Valve flow prevents evaporator area underutilization and engine knock phenomenon;The evaporator 17 is arranged in refrigeration system babinet 8 Inside left is connected between evaporator 17 and expansion valve 16 by pipeline, and evaporator 17 is a kind of heat exchanger, the condensation of low temperature Liquid carries out heat exchange by evaporator, with extraneous air, and gasification heat absorption achievees the effect that refrigeration;The cold wind enters pipe 4 One end is fixed at 17 exit of evaporator, and the other end is arranged in 7 left side lower end of cabinet;The uniform air dispersion plate 11 welds It is provided with relieve heat hole 10 in 7 interior lower end of cabinet, uniform air dispersion plate 11;The relieve heat guard 9 is fixed at 7 right end of cabinet In wall;The temperature sensor 5 is fixed at 7 inner upper end face of cabinet;The controller 6 is fixed inside cabinet 7 Upper surface, 5 right side of temperature sensor, controller 6 are connect by pilot with temperature sensor 5 and helical-lobe compressor 12.
Operation principle:Electrical equipment is arranged in cabinet 7 to combine to form high-low pressure voltage switchgear;Start that high-low pressure is complete opens When pass cabinet is worked, a large amount of heat is will produce in cabinet 7, when temperature raising 5 measuring temperature of temperature sensor reaches alarming value Controller 6 can be fed back to, controller 6 controls helical-lobe compressor 12 and starts, and helical-lobe compressor 12 extracts air by exhaust column 2, Air filtration core 1 can filter off the impurity in air, and helical-lobe compressor 12 is turned by internal a pair of of the spiral being arranged in cylinder Son intermeshing rotation, causes the variation of the element volume by flute profile space, realizes the compression to refrigerant gas;Refrigerator 13 will The lower both vapor compression of pressure makes the volume of steam reduce, pressure rise at the higher steam of pressure;Expansion valve 16 makes medium temperature height The liquid refrigerant of pressure becomes the moist steam of low-temp low-pressure by its throttling, and then refrigerant absorbs heat in evaporator and reaches Refrigeration effect, expansion valve are changed by the degree of superheat of evaporator end come control valve flow, and evaporator area profit is prevented With insufficient and engine knock phenomenon;The condensed fluid of low temperature by evaporator, heat exchange, gas is carried out with extraneous air by evaporator 17 Change heat absorption, achievees the effect that refrigeration;Cold wind enters pipe 4 into the cavity between uniform air dispersion plate 11 by cold wind, passes through relieve heat Hole 10 uniformly sheds to be cooled down to electrical equipment is arranged in cabinet 7, and hot air is discharged by relieve heat guard 9.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, it is right according to the technical essence of the invention Any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.

Claims (3)

1. the high-low pressure voltage switchgear with refrigeration radiating function, including air filtration core (1), exhaust column (2), refrigeration system (3), cold wind enters pipe (4), temperature sensor (5), controller (6), cabinet (7), refrigeration system babinet (8), relieve heat guard (9), relieve heat hole (10) and uniform air dispersion plate (11);It is characterized in that:The cabinet (7) is arranged on horizontal working face;Institute It states refrigeration system babinet (8) and is fixed at cabinet (7) upper surface;The refrigeration system (3) is arranged in refrigeration system babinet (8) In, including helical-lobe compressor (12), refrigerator (13), condensation water tank (14), strainer (15), expansion valve (16) and evaporator (17);The helical-lobe compressor (12) is fixed at refrigeration system babinet (8) upper end;Refrigerator (13) setting is being freezed System babinet (8) inner right side, refrigerator (13) are connected by the gas vent of pipeline helical-lobe compressor (12);The condensation water tank (14) right end of the setting in refrigerator (13);The strainer (15) is arranged in refrigeration system babinet (8) interior lower end, strainer (15) Have the function of that overanxious impurity, strainer (15) are connect with refrigerator (13) by pipeline;Expansion valve (16) setting is being freezed System babinet (8) inside left, expansion valve (16) are connect by pipeline with strainer (15);Evaporator (17) setting is being freezed System babinet (8) inside left, is connect between evaporator (17) and expansion valve (16) by pipeline;The cold wind enters pipe (4) One end is fixed at evaporator (17) exit, and other end setting is in lower end on the left of cabinet (7);The uniform air dispersion plate (11) it is welded on cabinet (7) interior lower end;The relieve heat guard (9) is fixed in cabinet (7) right end wall;The temperature passes Sensor (5) is fixed at cabinet (7) inner upper end face;The controller (6) is fixed at cabinet (7) inner upper end face, On the right side of temperature sensor (5).
2. the high-low pressure voltage switchgear with refrigeration radiating function as described in claim 1, it is characterised in that:It is described uniform Relieve heat hole (10) is provided in air dispersion plate (11).
3. the high-low pressure voltage switchgear with refrigeration radiating function as described in claim 1, it is characterised in that:The control Device (6) is connect by pilot with temperature sensor (5) and helical-lobe compressor (12).
CN201810609882.XA 2018-06-13 2018-06-13 High-low pressure voltage switchgear with refrigeration radiating function Pending CN108808516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810609882.XA CN108808516A (en) 2018-06-13 2018-06-13 High-low pressure voltage switchgear with refrigeration radiating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810609882.XA CN108808516A (en) 2018-06-13 2018-06-13 High-low pressure voltage switchgear with refrigeration radiating function

Publications (1)

Publication Number Publication Date
CN108808516A true CN108808516A (en) 2018-11-13

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ID=64085842

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810609882.XA Pending CN108808516A (en) 2018-06-13 2018-06-13 High-low pressure voltage switchgear with refrigeration radiating function

Country Status (1)

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CN (1) CN108808516A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204558962U (en) * 2015-05-05 2015-08-12 国家电网公司 A kind of Novel bunk compresses switch cabinet
CN105007707A (en) * 2015-07-27 2015-10-28 浙江中烟工业有限责任公司 Low-power-consumption cloud computing cabinet heat radiation system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204558962U (en) * 2015-05-05 2015-08-12 国家电网公司 A kind of Novel bunk compresses switch cabinet
CN105007707A (en) * 2015-07-27 2015-10-28 浙江中烟工业有限责任公司 Low-power-consumption cloud computing cabinet heat radiation system

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Application publication date: 20181113

RJ01 Rejection of invention patent application after publication