CN118040529B - Gas-insulated switch cabinet - Google Patents
Gas-insulated switch cabinet Download PDFInfo
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- CN118040529B CN118040529B CN202410435026.2A CN202410435026A CN118040529B CN 118040529 B CN118040529 B CN 118040529B CN 202410435026 A CN202410435026 A CN 202410435026A CN 118040529 B CN118040529 B CN 118040529B
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- heat dissipation
- fixedly connected
- gas
- cavity
- rotating shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a gas-insulated switch cabinet which comprises an outer cabinet body, a gas-insulated cabinet, a heat dissipation assembly and a damping assembly, wherein an installation cavity and a heat dissipation cavity are respectively arranged in the outer cabinet body, the gas-insulated cabinet is connected in the installation cavity in a sliding manner, the damping assembly is arranged between the two sides of the gas-insulated cabinet and the inner wall of the installation cavity, an evaporator is arranged on the inner wall of the gas-insulated cabinet, the evaporator is connected with the heat dissipation assembly through a connecting pipe, and the heat dissipation assembly is arranged in the heat dissipation cavity. The invention aims to provide a switch cabinet with a damping function, improved transportation safety, a cooling function and capability of ensuring equipment use stability and safety.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a gas-insulated switch cabinet.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like;
The gas-insulated switchgear uses dry air to replace traditional SF6 gas as an insulating medium, so that the insulating performance is improved, air can not be polluted after release, meanwhile, the environment-friendly gas-insulated switchgear adopts a vacuum arc extinguishing chamber, the pressure of the switchgear body is constant, and the environment adaptability is strong.
The gas-insulated switchgear is of a sealed cabinet body structure, so that the gas-insulated switchgear is poor in impact resistance, equipment is easy to damage in the moving and transporting processes, heat is generally dissipated through the heat dissipating fan, the heat dissipating effect of the heat dissipating fan mainly depends on the temperature difference between the inside and the outside of the equipment, but most of the existing gas-insulated switchgear is poor in heat dissipating function, after long-time use, the heating condition is serious, electric elements in the gas-insulated switchgear are easy to damage, or internal components are easy to self-ignite, a certain safety risk is caused, and serious influence is caused to people.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the switch cabinet with the damping function, the transportation safety improvement and the cooling function, and the use stability and the safety of equipment can be ensured.
The technical scheme adopted by the invention for achieving the purpose is as follows: the gas-insulated switchgear comprises an outer switchgear body, a gas-insulated switchgear, a heat dissipation component and a damping component, wherein an installation cavity and a heat dissipation cavity are respectively arranged in the outer switchgear body, the gas-insulated switchgear is connected in the installation cavity in a sliding manner, the damping component is arranged between the two sides of the gas-insulated switchgear and the inner wall of the installation cavity and used for reducing the influence of vibration on the gas-insulated switchgear, an evaporator is arranged on the inner wall of the gas-insulated switchgear and used for absorbing heat of the gas-insulated switchgear and reducing the temperature, the evaporator is connected with the heat dissipation component through a connecting pipe, the heat dissipation component is used for guiding heat absorbed by the evaporator out of the air outside the outer switchgear body, the heat dissipation component is arranged in the heat dissipation cavity and comprises a condenser, an air inlet fan, a fan rotating shaft fixing frame, a first transmission gear, a linkage gear, a crank shaft, a second transmission gear, a driving motor and a condensation compression component, wherein a plurality of heat dissipation air inlet holes are respectively formed at two ends of the heat dissipation cavity and are communicated with the outside of the outer cabinet body and are used for air to flow into the heat dissipation cavity, a plurality of heat dissipation air outlet holes are respectively formed on the inner walls of two opposite sides of the middle part of the heat dissipation cavity and are also communicated with the outside of the outer cabinet body and are used for guiding hot air in the heat dissipation cavity to the outside of the outer cabinet body, the heat dissipation cavity at one side of the heat dissipation air inlet holes is fixedly connected with the condenser respectively, The output end of the condenser is connected with the input end of the evaporator, the condenser is used for heat exchange between external air, the partition plates are fixedly connected in the radiating cavities on the opposite sides of the condenser respectively, the middle parts of the partition plates are provided with ventilation openings, the ventilation openings are respectively and rotatably connected with air inlet fans, the air inlet fans are used for guiding in the external air, the opposite sides of the ventilation openings are respectively provided with a fan rotating shaft fixing frame, the fan rotating shaft fixing frames are fixedly connected with the partition plates, the middle parts of the fan rotating shaft fixing frames are rotatably connected with rotating shafts, one ends of the rotating shafts are fixedly connected with the air inlet fans and are used for driving the air inlet fans to rotate relatively, The other end of the rotating shaft is respectively and rotatably connected with the side walls at two sides of the condensing compression assembly, the top of the condensing compression assembly is fixedly connected with the middle part of the upper end of the heat dissipation cavity, the upper end of the condensing compression assembly is respectively provided with a low-pressure connecting pipe and a high-pressure connecting pipe, the high-pressure connecting pipe is connected with the input end of the condenser, the low-pressure connecting pipe is connected with the output end of the evaporator, the condensing compression assembly is used for pressing condensate into the condenser by the evaporator, a first transmission gear is respectively and fixedly connected with the rotating shaft between the condensing compression assembly and the fan rotating shaft fixing frame, the first transmission gears are respectively and meshingly connected with a linkage gear, the middle part of the lower end of the heat dissipation cavity is provided with a rotating shaft groove, The linkage gears are respectively and rotatably connected with two ends of the rotating shaft groove, the rotating shaft groove is rotatably connected with a crank shaft, the linkage gears are respectively and fixedly connected with two ends of the crank shaft, the crank shaft is respectively and rotatably connected with a piston rod of the condensation compression assembly, the outer cabinet body at one side of the rotating shaft groove is respectively provided with a transmission cavity, the crank shaft is characterized in that one end of the crank shaft penetrates into the transmission cavity and then is fixedly connected with a second transmission gear, the second transmission gear is connected with the driving gear in a meshed mode, the driving gear is fixedly connected to a rotating shaft of the driving motor, and the driving motor is fixedly connected to one side of the lower end of the outer cabinet body in a relatively embedded mode.
In one embodiment, a cabinet door is arranged on one side of the outer cabinet body opposite to the installation cavity, a handle is fixedly connected to one side of the cabinet door, and a plurality of support leg blocks are fixedly connected to the lower end of the outer cabinet body.
In one embodiment, the openings of the heat dissipation air inlet and the heat dissipation air outlet in the heat dissipation cavity are fixedly connected with dust screens.
In one embodiment, the damping component comprises a side guide block, a sliding guide block, a compression spring and a damper, wherein sliding guide grooves are respectively formed in the inner wall of an outer cabinet body on two sides of the installation cavity, the sliding guide grooves are communicated with the installation cavity through guide groove holes, the side guide blocks are connected in the guide groove holes in a sliding mode, one sides of the side guide blocks are fixedly connected with the gas-insulated cabinet, the other sides of the side guide blocks are respectively fixedly connected with the sliding guide blocks, the sliding guide blocks are connected in the sliding guide grooves in a sliding mode, symmetrical first connecting grooves are respectively formed in the upper end and the lower end of the sliding guide blocks, second connecting grooves are respectively formed in the upper end portion and the lower end portion of the sliding guide grooves, the damper is respectively fixedly arranged between the first connecting grooves and the second connecting grooves, the periphery of the damper is sleeved with the compression spring, and two ends of the compression spring are respectively in a abutting mode and are connected to the bottoms of the first connecting grooves and the second connecting grooves.
In one embodiment, the evaporator comprises a low-pressure pipe and an expansion valve, wherein the low-pressure pipe is in a tubular form (the low-pressure pipe is uniformly arranged into a row by a plurality of transverse tubular forms, and the adjacent transverse tubular forms are connected end to end in sequence) and fixedly connected in the wall of the gas insulated cabinet, and the expansion valve is fixedly connected on a connecting pipe between the low-pressure pipe and the condenser.
In one embodiment, the condenser comprises a high-pressure tube, an upper fixing plate and a lower fixing plate, wherein the upper fixing plate is fixedly connected to the top end of a heat dissipation cavity on one side of a heat dissipation air inlet hole, the lower fixing plate is fixedly connected to the lower end of the heat dissipation cavity on one side of the heat dissipation air inlet hole, the high-pressure tube is in a rectangular array (the high-pressure tube is in a specific structure, a plurality of vertical tubes are uniformly arranged into a plurality of rows, the vertical tubes are connected in a sequential tail-to-tail manner, the connection parts between the vertical tubes are respectively fixed on the opposite sides of the upper fixing plate or the lower fixing plate) and are fixedly connected between the upper fixing plate and the lower fixing plate, and ventilation gaps are reserved at the distribution positions between the high-pressure tubes.
In one embodiment, the fan rotating shaft fixing frame comprises a rotating shaft disc, fixing rods and reinforcing ribs, one ends of the fixing rods are annularly and uniformly fixedly connected to the peripheral edge of the rotating shaft disc, the other ends of the fixing rods are right-angle bent rods and are respectively and fixedly connected to partition plates at the edges of the vent holes, the reinforcing ribs are respectively and fixedly connected to adjacent fixing rods, and the middle of the rotating shaft disc penetrates through and is rotationally connected with a rotating shaft.
In one embodiment, two sides of the lower end of the condensation compression assembly are respectively and fixedly connected with a supporting block, and the other ends of the supporting blocks are respectively and fixedly connected with the inside of the heat dissipation cavity.
In one embodiment, the condensing compression assembly comprises a cylinder body, a piston block, a piston rod and a one-way valve, two groups of cylinder holes are respectively formed in the lower end of the cylinder body, the piston block is connected with the piston in each cylinder hole, the lower end of the piston block is hinged to the piston rod, the other end of the piston rod is respectively connected to a crank shaft in a rotating mode, a low-pressure connecting pipe and a high-pressure connecting pipe are respectively and fixedly connected to the cylinder body at the upper end of each cylinder hole, the high-pressure connecting pipe and the low-pressure connecting pipe are respectively connected with the cylinder holes, and the one-way valve is fixedly connected between the high-pressure connecting pipe and the cylinder body, and between the low-pressure connecting pipe and the cylinder body.
The invention has the beneficial effects that: the device ensures that the gas insulated cabinet can be quickly cooled through the mutual coordination among the condensation compression assembly, the evaporator and the condenser, ensures the stability and the safety of the working process of the gas insulated cabinet, ensures that the air inlet fan positioned in the heat dissipation cavity rotates simultaneously in the working process of the condensation compression assembly, ensures that flowing air flow is formed in the heat dissipation cavity, and can quickly cool the condenser in the process, thereby improving the refrigeration effect of the evaporator and further improving the cooling efficiency of the gas insulated cabinet; in addition, through the damper, the influence of transportation vibration on the gas insulated cabinet can be reduced in the transportation process of the device, and the safety of the transportation process is improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of an outer cabinet of the present invention;
FIG. 3 is a schematic view of the connection structure of the damper assembly of the present invention;
FIG. 4 is a schematic diagram of a heat dissipating assembly connection structure according to the present invention;
FIG. 5 is a schematic view of a fan shaft mount connection structure according to the present invention;
FIG. 6 is a schematic view of the connection structure of the high-pressure pipe and the low-pressure pipe according to the present invention;
FIG. 7 is a schematic cross-sectional view of a condensing compression module according to the present invention.
In the figure: an outer cabinet body, a gas insulated cabinet 2, a heat radiation assembly 3, a condenser 301, a high-pressure 3011 pipe, an upper 3012 fixing plate, a lower 3013 fixing plate, a 302 air inlet fan, a 303 fan rotating shaft fixing frame, a 3031 rotating shaft disc, a 3032 fixing rod, a 3033 reinforcing rib, a 304 first transmission gear, a 305 linkage gear, a 306 crank shaft, a 307 second transmission gear, a 308 driving gear, a 309 driving motor, a 310 condensation compression assembly, a cylinder 3101, a piston block 3102, a piston rod 3103, a 3104 one-way valve, a cylinder hole 3105, a heat radiation air inlet 311, a heat radiation air outlet 312, a 313 partition plate, a 314 vent, a 315 rotating shaft, a 316 low-pressure connecting pipe, a 317 high-pressure connecting pipe, a 318 rotating shaft groove 319 supporting block, a 4 shock absorbing assembly, a 401 side guide block, a 402 sliding guide block, a 403 compression spring, a 404 damper, a 405 sliding guide groove, a 406 guide groove, a 407 first connecting groove, a 408 second connecting groove, a 5 mounting cavity, a 6 heat radiation cavity, a 7 evaporator, a low-pressure pipe, a 702 expansion valve, 8, a handle 9 and 10 support leg cabinet door.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a gas insulated switchgear comprises an outer switchgear body 1, a gas insulated switchgear 2, a heat dissipation component 3 and a shock absorption component 4, wherein a mounting cavity 5 and a heat dissipation cavity 6 are respectively arranged in the outer switchgear body 1, the gas insulated switchgear 2 is connected in the mounting cavity 5 in a sliding manner, the shock absorption component 4 is arranged between two sides of the gas insulated switchgear 2 and the inner wall of the mounting cavity 5 and used for reducing the influence of vibration on the gas insulated switchgear 2, an evaporator 7 is arranged on the inner wall of the gas insulated switchgear 2, the evaporator 7 is used for absorbing heat of the gas insulated switchgear 2 and reducing the temperature, the evaporator 7 is connected with the heat dissipation component 3 through a connecting pipe, the heat dissipation component 3 is used for guiding the heat absorbed by the evaporator 7 out of the air outside the outer switchgear body 1, The heat dissipation component 3 is arranged in the heat dissipation cavity 6, the heat dissipation component 3 comprises a condenser 301, an air inlet fan 302, a fan rotating shaft fixing frame 303, a first transmission gear 304, a linkage gear 305, a crank shaft 306, a second transmission gear 307, a driving gear 308, a driving motor 309 and a condensation compression component 310, a plurality of heat dissipation air inlet holes 311 are respectively formed at two ends of the heat dissipation cavity 6 and are communicated with the outside of the outer cabinet body 1 for air to flow into the heat dissipation cavity 6, a plurality of heat dissipation air outlet holes 312 are respectively formed on the inner walls of two opposite sides of the middle part of the heat dissipation cavity 6, the heat dissipation air outlet holes 312 are also communicated with the outside of the outer cabinet body 1 for guiding hot air in the heat dissipation cavity 6 to the outside of the outer cabinet body 1, The condenser 301 is fixedly connected in the heat dissipation cavity 6 at one side of the heat dissipation air inlet hole 311, the output end of the condenser 301 is connected with the input end of the evaporator 7, the condenser 301 is used for heat exchange between external air, the partition plate 313 is fixedly connected in the heat dissipation cavity 6 at the opposite side of the condenser 301, the ventilation opening 314 is arranged in the middle of the partition plate 313, the air inlet fan 302 is rotationally connected in the ventilation opening 314, the air inlet fan 302 is used for introducing external air, the fan rotating shaft fixing frames 303 are respectively arranged at the opposite side of the ventilation opening 314, the fan rotating shaft fixing frames 303 are fixedly connected with the partition plate 313, The middle part of the fan rotating shaft fixing frame 303 is rotationally connected with a rotating shaft 315, one end of the rotating shaft 315 is fixedly connected with an air inlet fan 302 and is used for driving the air inlet fan 302 to rotate relatively, the other end of the rotating shaft 315 is rotationally connected with side walls of two sides of a condensation compression assembly 310 respectively, the top of the condensation compression assembly 310 is fixedly connected with the middle part of the upper end of a heat dissipation cavity 6, the upper end of the condensation compression assembly 310 is respectively provided with a low-pressure connecting pipe 316 and a high-pressure connecting pipe 317, the high-pressure connecting pipe 317 is connected with the input end of a condenser 301, the low-pressure connecting pipe 316 is connected with the output end of an evaporator 7, the condensation compression assembly 310 is used for pressing condensate into the condenser 301 from the evaporator 7, A first transmission gear 304 is fixedly connected on a rotating shaft 315 between the condensation compression assembly 310 and the fan rotating shaft fixing frame 303, a linkage gear 305 is respectively meshed with the first transmission gear 304, a rotating shaft groove 318 is formed in the middle of the lower end of the heat dissipation cavity 6, the linkage gear 305 is respectively connected with two ends of the rotating shaft groove 318 in a rotating way, a crank shaft 306 is connected in the rotating way in the rotating shaft groove 318 in a rotating way, the linkage gear 305 is respectively fixedly connected with two ends of the crank shaft 306, the crank shaft 306 is respectively connected with a piston rod 3103 of the condensation compression assembly 310 in a rotating way, a transmission cavity is respectively formed in the outer cabinet 1 at one side of the rotating shaft groove 318, One end of the crank shaft 306 penetrates into the transmission cavity and then is fixedly connected with a second transmission gear 307, the second transmission gear 307 is in meshed connection with a driving gear 308, the driving gear 308 is fixedly connected to a rotating shaft of a driving motor 309, and the driving motor 309 is fixedly connected to one side of the lower end of the outer cabinet body 1 in a relatively embedded mode.
In one embodiment, a cabinet door 8 is arranged at one side of the outer cabinet body 1 opposite to the installation cavity 5, a handle 9 is fixedly connected to one side of the cabinet door 8, when the cabinet is used, the switch of the cabinet door 8 is conveniently closed through the handle 9, and a plurality of support leg blocks 10 are fixedly connected to the lower end of the outer cabinet body 1 and used for supporting and fixing the whole structure of the device; in the invention, a hinged connection structure is arranged between the cabinet door 8 and the outer cabinet body 1, and components such as a door lock and the like can be added between the cabinet door 8 and the outer cabinet body 1.
In one embodiment, the openings of the heat dissipation air inlet 311 and the heat dissipation air outlet 312 in the heat dissipation chamber 6 are fixedly connected with a dust screen for reducing dust entering the heat dissipation chamber 6.
In one embodiment, the damping component 4 includes a side guide 401, a sliding guide 402, a compression spring 403, and a damper 404, in the inner wall of the outer cabinet 1 at two sides of the installation cavity 5, a sliding guide 405 is respectively opened, the sliding guide 405 is communicated with the installation cavity 5 through a guide slot 406, the side guide 401 is slidably connected in the guide slot 406, one side of the side guide 401 is fixedly connected with the gas insulation cabinet 2, the other side of the side guide 401 is respectively fixedly connected with the sliding guide 402, the sliding guide 402 is slidably connected in the sliding guide 405, the upper end and the lower end of the sliding guide 402 are respectively opened with a first connecting slot 407 which is symmetrical, the upper end and the lower end of the sliding guide 405 are respectively opened with a second connecting slot 408, a damper 404 is respectively fixedly installed between the first connecting slot 407 and the second connecting slot 408, the outer circumference of the damper 404 is sleeved with the compression spring 403, and two ends of the compression spring 403 are respectively in contact with the bottom of the first connecting slot 407 and the second connecting slot 408.
In one embodiment, the evaporator 7 includes a low-pressure pipe 701 and an expansion valve 702, the low-pressure pipe 701 is in a tubular form (the low-pressure pipe 701 is uniformly arranged into a row by a plurality of transverse tubular lines, and adjacent transverse tubular lines are connected end to end in sequence), and is fixedly connected in the wall of the gas insulated cabinet 2, and the expansion valve 702 is fixedly connected on a connecting pipe between the low-pressure pipe 701 and the condenser 301; the condenser 301 comprises a high-pressure tube 3011, an upper fixing plate 3012 and a lower fixing plate 3013, wherein the upper fixing plate 3012 is fixedly connected to the top end of a heat dissipation cavity 6 at one side of a heat dissipation air inlet 311, the lower fixing plate 3013 is fixedly connected to the lower end of the heat dissipation cavity 6 at one side of the heat dissipation air inlet 311, the high-pressure tube 3011 is in a rectangular array (the high-pressure tube 3011 has a plurality of vertical tubes which are uniformly arranged into a plurality of rows, and the vertical tubes are connected in a sequential tail-to-tail manner, the connection positions among the vertical tubes are respectively fixed at the opposite sides of the upper fixing plate 3012 or the lower fixing plate 3013), ventilation gaps are reserved at the distribution positions among the high-pressure tubes 3011, the working principle between the evaporator 7 and the condenser 301 is substantially the same as that of air conditioning refrigeration, the condensing compression component 310 compresses the condensed vaporization liquid into the condenser 301 and the high-pressure tube 3011, the condensed vaporization liquid is liquefied into a liquid state under the high-pressure action of the high-pressure tube 3011, in the process, the condensed liquid releases a large amount of heat, the heat exchanges heat with the air flowing in the heat dissipation cavity 6 through the tube wall of the high-pressure tube 3011, then the air with the heat is discharged from the heat dissipation air outlet 312, the liquefied condensed liquid enters the radiator and the low-pressure tube 701 through the expansion valve 702, the liquefied condensed liquid is vaporized in the low-pressure tube 701, so that the heat is absorbed, the tube wall temperature of the low-pressure tube 701 is reduced, the temperature of the inside of the gas insulation cabinet 2 is reduced, and then the gaseous condensed liquid in the low-pressure tube 701 is compressed to the high-pressure tube 3011 through the condensing compression component 310 again, so that the continuous temperature reduction of the gas insulation cabinet 2 is realized.
In one embodiment, the fan rotating shaft fixing frame 303 includes a rotating shaft disc 3031, a fixing rod 3032 and a reinforcing rib 3033, one end of the fixing rod 3032 is annularly and uniformly fixedly connected at the peripheral edge of the rotating shaft disc 3031, the other end of the fixing rod 3032 is a right-angle bent rod and is respectively and fixedly connected to the partition plate 313 at the edge of the vent hole, the reinforcing ribs 3033 are respectively and fixedly connected between the adjacent fixing rods 3032, the middle part of the rotating shaft disc 3031 is penetrated and rotatably connected with a rotating shaft 315, and the rotating shaft 315 is relatively and fixedly connected with the corresponding supporting shaft, so that the air inlet fan 302 at one side of the rotating shaft 315 is supported.
In one embodiment, two sides of the lower end of the condensation compression assembly 310 are fixedly connected with supporting blocks 319 respectively, and the other ends of the supporting blocks 319 are fixedly connected with the inside of the heat dissipation cavity 6 respectively, so as to improve the installation strength of the condensation compression assembly 310.
In one embodiment, the condensation compression assembly 310 comprises a cylinder 3101, a piston block 3102, a piston rod 3103 and a one-way valve 3104, two groups of cylinder holes 3105 are respectively formed at the lower end of the cylinder 3101, the piston block 3102 is connected with each piston in each cylinder hole 3105, the piston rod 3103 is hinged at the lower end of each piston block 3102, the other end of each piston rod 3103 is respectively and rotatably connected to a crank shaft 306, a low-pressure connecting pipe 316 and a high-pressure connecting pipe 317 are respectively and fixedly connected to the cylinder 3101 at the upper end of each cylinder hole 3105, the high-pressure connecting pipe 317 and the low-pressure connecting pipe 316 are respectively communicated with the cylinder holes 3105, the one-way valves 3104 are respectively and fixedly connected between the high-pressure connecting pipe 317 and the cylinder 3101, and between the low-pressure connecting pipe 316 and the cylinder 3101;
In the embodiment of the present invention, during the downward movement of the piston block 3102, the air pressure in the cylinder hole 3105 at the upper end of the piston block 3102 is reduced, at this time, the check valve 3104 at the high-pressure connection pipe 317 is in a closed state, the check valve 3104 at the low-pressure connection pipe 316 is in an open state, so that the vaporized condensate in the low-pressure pipe 701 enters the cylinder hole 3105, when the piston block 3102 moves upward, the space of the cylinder hole 3105 above the piston block 3102 is compressed, and the check valve 3104 at the low-pressure connection pipe 316 is in a closed state, and the check valve 3104 at the high-pressure connection pipe 317 is in an open state, so that the vaporized condensate in the cylinder hole 3105 is pressed into the high-pressure pipe 3011 by the compression of the piston block 3102.
In the present invention, two sets of opposing evaporators 7 are provided in the cabinet walls of the gas insulated cabinet 2, respectively, and each set of evaporators 7 communicates with the condenser 301 on the opposing side and the cylinder hole 3105 in the cylinder block 3101, respectively.
In the invention, a temperature detection device is arranged in the gas insulated cabinet 2, when the temperature in the gas insulated cabinet 2 is monitored to be too high, the cooling operation of the gas insulated cabinet 2 is realized through the heat radiation component 3 matched with the evaporator 7, and the specific working process is as follows:
Firstly, the driving motor 309 drives the driving gear 308 to rotate, the driving gear 308 drives the second transmission gear 307 to rotate, the second transmission gear 307 drives the crank shaft 306 to rotate, the crank shaft 306 drives the condensation compression assembly 310 to continuously compress condensate in the evaporator 7 to the condenser 301, meanwhile, the crank shaft 306 respectively drives the linkage gears 305 at two ends to rotate, the linkage gears 305 drive the first transmission gears 304 to rotate, the first transmission gears 304 respectively drive the rotating shafts 315 to rotate, the rotating shafts 315 drive the air inlet fans 302 to rotate, the air inlet fans 302 bring air at two sides of the outer cabinet 1 into the heat dissipation cavity 6, in the process, the air enters through the heat dissipation air inlet holes 311, when passing through the condenser 301, heat on the condenser 301 is taken out, and then the air with heat is guided out through the heat dissipation air outlet holes 312 in the middle of the heat dissipation cavity 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a gas-insulated formula cubical switchboard, includes outer cabinet body (1), gas-insulated cabinet (2), radiator unit (3), damper unit (4), its characterized in that: the novel heat dissipation device is characterized in that an installation cavity (5) and a heat dissipation cavity (6) are respectively formed in the outer cabinet body (1), the gas insulation cabinet (2) is connected in the installation cavity (5) in a sliding mode, a damping component (4) is arranged between two sides of the gas insulation cabinet (2) and the inner wall of the installation cavity (5) and used for reducing the influence of vibration on the gas insulation cabinet (2), an evaporator (7) is arranged on the inner wall of the gas insulation cabinet (2), the evaporator (7) is used for absorbing heat to the gas insulation cabinet (2) and cooling, the evaporator (7) is connected with the heat dissipation component (3) through a connecting pipe, and the heat dissipation component (3) is used for guiding heat absorbed by the evaporator (7) out of air outside the outer cabinet body (1), and the heat dissipation component (3) is arranged in the heat dissipation cavity (6).
The heat dissipation assembly (3) comprises a condenser (301), an air inlet fan (302), a fan rotating shaft fixing frame (303), a first transmission gear (304), a linkage gear (305), a crank shaft (306), a second transmission gear (307), a driving gear (308), a driving motor (309) and a condensation compression assembly (310), wherein a plurality of heat dissipation air inlet holes (311) are respectively formed in two ends of the heat dissipation cavity (6) and are communicated with the outside of the outer cabinet body (1), a plurality of heat dissipation air outlet holes (312) are respectively formed in two opposite side inner walls of the middle part of the heat dissipation cavity (6), the heat dissipation air outlet holes (312) are also communicated with the outside of the outer cabinet body (1), the heat dissipation cavity (6) on one side of the heat dissipation air inlet hole (311) is fixedly connected with a condenser (301) respectively, the output end of the condenser (301) is connected with the input end of the evaporator (7), a partition plate (313) is respectively fixedly connected with the heat dissipation cavity (6) on the opposite side of the condenser (301), a ventilation opening (314) is formed in the middle part of the partition plate (313), the heat dissipation cavity (314) is respectively connected with the rotating fan fixing frame (314), the fan (303) is respectively connected with the fan rotating shaft (303) on the opposite side of the rotating shaft (303), the fan rotating shaft fixing frame (303) is rotationally connected with a rotating shaft (315), one end of the rotating shaft (315) is fixedly connected with an air inlet fan (302), the other end of the rotating shaft (315) is respectively rotationally connected with two side walls of the condensing compression assembly (310), the top of the condensing compression assembly (310) is fixedly connected with the middle of the upper end of the radiating cavity (6), the upper end of the condensing compression assembly (310) is respectively provided with a low-pressure connecting pipe (316) and a high-pressure connecting pipe (317), the high-pressure connecting pipe (317) is connected with the input end of the condenser (301), the low-pressure connecting pipe (316) is connected with the output end of the evaporator (7), a first transmission gear (304) is respectively fixedly connected on the rotating shaft (315) between the condensing compression assembly (310) and the fan rotating shaft fixing frame (303), and the first transmission gear (304) is connected with a driving motor (309) in a transmission manner.
2. A gas insulated switchgear as claimed in claim 1, wherein: the first transmission gear (304) is respectively engaged and connected with the linkage gear (305), pivot groove (318) has been seted up at heat dissipation chamber (6) lower extreme middle part, linkage gear (305) are rotated respectively and are connected at the both ends of pivot groove (318), pivot groove (318) internal rotation is connected with crank axle (306), linkage gear (305) are respectively with the both ends fixed connection of crank axle (306), crank axle (306) are respectively with the piston rod (3103) rotation of condensation compression subassembly (310) be connected, the transmission chamber has been respectively in outer cabinet body (1) of pivot groove (318) one side, fixedly connected with second transmission gear (307) after crank axle (306) one end penetrates the transmission intracavity, second transmission gear (307) are connected with drive gear (308) meshing, drive gear (308) fixed connection is in the pivot of driving motor (309), driving motor (309) are fixedly connected in the relative embedding in outer cabinet body (1) lower extreme one side.
3. A gas insulated switchgear as claimed in claim 2, wherein: the novel anti-dust cabinet is characterized in that a cabinet door (8) is arranged on one side of the outer cabinet body (1) opposite to the installation cavity (5), a handle (9) is fixedly connected to one side of the cabinet door (8), a plurality of support leg blocks (10) are fixedly connected to the lower end of the outer cabinet body (1), and dustproof nets are fixedly connected to the openings of the heat dissipation air inlet holes (311) and the heat dissipation air outlet holes (312) in the heat dissipation cavity (6).
4. A gas insulated switchgear as claimed in claim 1, wherein: the damping component (4) comprises a side guide block (401), a sliding guide block (402), a compression spring (403) and a damper (404), wherein sliding guide grooves (405) are respectively formed in the inner walls of the outer cabinet body (1) on two sides of the installation cavity (5), the sliding guide grooves (405) are communicated with the installation cavity (5) through guide groove holes (406), the side guide block (401) is connected in a sliding mode in the guide groove holes (406), one side of the side guide block (401) is fixedly connected with the gas insulation cabinet (2), the other side of the side guide block (401) is fixedly connected with the sliding guide block (402) respectively, the sliding guide block (402) is in sliding connection with the sliding guide grooves (405), symmetrical first connecting grooves (407) are respectively formed in the upper end and the lower end of the sliding guide block (402), second connecting grooves (408) are respectively formed in the upper end portion and the lower end portion of the sliding guide groove, the first connecting grooves (407) are respectively fixedly provided with the damper (404), the periphery of the damper (401) is connected with the gas insulation cabinet (2) in a fixed mode, the sliding guide block (402) is connected with the outer periphery of the sliding guide block (402) in a sliding guide groove (403), and the compression spring (407) is connected with the two ends of the second connecting grooves (408) in a sleeved mode respectively.
5. A gas insulated switchgear as claimed in claim 3, wherein: the evaporator (7) comprises a low-pressure pipe (701) and an expansion valve (702), the low-pressure pipe (701) is fixedly connected in the wall of the gas-insulated cabinet (2) in a tube type, and the expansion valve (702) is fixedly connected on a connecting tube between the low-pressure pipe (701) and the condenser (301).
6. A gas insulated switchgear as claimed in claim 5, wherein: the condenser (301) comprises a high-pressure pipe (3011), an upper fixing plate (3012) and a lower fixing plate (3013), wherein the upper fixing plate (3012) is fixedly connected to the top end of a radiating cavity (6) on one side of a radiating air inlet hole (311), the lower fixing plate (3013) is fixedly connected to the lower end of the radiating cavity (6) on one side of the radiating air inlet hole (311), the high-pressure pipe (3011) is fixedly connected between the upper fixing plate (3012) and the lower fixing plate (3013) in a rectangular array mode, and ventilation gaps are reserved at distribution positions among the high-pressure pipes (3011).
7. A gas insulated switchgear as claimed in claim 6, wherein: fan pivot mount (303) include pivot dish (3031), dead lever (3032), strengthening rib (3033), dead lever (3032) one end is annular even fixed connection in periphery edge department of pivot dish (3031), the dead lever (3032) other end is right angle bent rod, and fixed connection respectively on division board (313) at ventilation hole edge, adjacent dead lever (3032) between respectively fixedly connected with strengthening rib (3033), pivot dish (3031) middle part runs through and rotates and be connected with axis of rotation (315).
8. A gas insulated switchgear as claimed in claim 7, wherein: the two sides of the lower end of the condensation compression assembly (310) are fixedly connected with supporting blocks (319) respectively, and the other ends of the supporting blocks (319) are fixedly connected with the inside of the heat dissipation cavity (6) respectively.
9. A gas insulated switchgear as claimed in claim 8, wherein: the condensing compression assembly (310) comprises a cylinder body (3101), a piston block (3102), a piston rod (3103) and a one-way valve (3104), two groups of cylinder holes (3105) are respectively formed in the lower end of the cylinder body (3101), the piston block (3102) is connected to the piston in each cylinder hole (3105), the piston rod (3103) is hinged to the lower end of the piston block (3102), the other end of the piston rod (3103) is respectively connected to a crankshaft (306) in a rotating mode, a low-pressure connecting pipe (316) and a high-pressure connecting pipe (317) are respectively and fixedly connected to the cylinder body (3101) at the upper end of each cylinder hole (3105), each high-pressure connecting pipe (317) is respectively communicated with each low-pressure connecting pipe (316), and each one-way valve (3104) is fixedly connected between each high-pressure connecting pipe (317) and the cylinder body (3101) and each low-pressure connecting pipe (316) and the cylinder body (3101).
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