CN113991455B - Indoor power system who uses aerifys cabinet - Google Patents
Indoor power system who uses aerifys cabinet Download PDFInfo
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- CN113991455B CN113991455B CN202111508032.9A CN202111508032A CN113991455B CN 113991455 B CN113991455 B CN 113991455B CN 202111508032 A CN202111508032 A CN 202111508032A CN 113991455 B CN113991455 B CN 113991455B
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- pipe
- cabinet
- cabinet body
- gas
- nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 207
- 239000007789 gas Substances 0.000 claims abstract description 102
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000002791 soaking Methods 0.000 claims abstract description 13
- 229910018503 SF6 Inorganic materials 0.000 claims description 60
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 60
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 60
- 230000000694 effects Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 206010003497 Asphyxia Diseases 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
-
- 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
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ventilation (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of inflatable cabinets, and discloses an indoor power system inflatable cabinet which comprises a cabinet body, wherein a cabinet door is movably installed above the front surface of the cabinet body through a hinge, an access cover is movably installed below the front surface of the cabinet body, a three-way box is fixedly installed on the left side of the top end of the cabinet body, and a connecting pipe is fixedly installed on the position, close to the upper part, of an inner cavity of the cabinet body. According to the invention, by reducing the heat of the electric appliance element, high-temperature nitrogen flows back to the inside of the three-way box through the gas conveying pipe again, and before flowing back to the three-way box, the heat is effectively reduced through the heat exchange pipe, the copper pipe and the soaking plate, so that the heat can be recycled, the original sealing structure and insulating characteristic of the inflatable cabinet are not damaged, meanwhile, the heat in the inflatable cabinet is replaced by gas, the heat is reduced, the recycling of the gas is realized, the service life of components in the inflatable cabinet is effectively prolonged, and the energy consumption required by cooling is low.
Description
Technical Field
The invention belongs to the technical field of gas-filled cabinets, and particularly relates to an indoor gas-filled cabinet for an electric power system.
Background
Indoor AC high-voltage gas insulated metal enclosed switchgear is a new generation switchgear, the main switch can use the vacuum circuit breaker of the permanent magnetic mechanism as well as the vacuum circuit breaker of the spring mechanism, the whole cabinet adopts air insulation to combine with sulfur hexafluoride gas compartment, it is compact and expandable, it is suitable for distribution automation, the gas-filled cabinet has the characters of compact structure, flexible operation, reliable interlocking, etc., it can provide satisfactory technical scheme for various application occasions (especially the places with bad environment) and different user requirements, the adoption of sensing technology and latest protection relay, and the advanced technical performance and portable and flexible assembly scheme, it can completely meet the different user requirements, the gas-filled cabinet is suitable for the small-sized secondary substation of the power system, switching station, box type transformer substation, housing district, industrial and mining enterprises, large market, especially suitable for the occasions with higher requirements for electricity, such as our country, subway, and the like, because the west high and east place potential occupies 33%, the high altitude occupies 26%, the Qinghai-Tibet average 4000m, it occupies above the plateau area with the high altitude and the east, the plateau occupies 1000m and the vast area of the basin, the plateau and the high altitude, the plateau is attacked by the humid climate, the table and the high altitude, the high altitude and the plateau is attacked by the complicated and the humid, the plateau area, the plateau and the plateau is attacked by the complicated and the complicated climate; in addition, after the western development, the increasingly developed industries and transportation make the power grid switch equipment easily dirty and corroded, so the electrical equipment is installed inside the inflatable cabinet for use in order to protect the electrical equipment and prolong the service life of the electrical equipment.
The gas-filled cabinet used by the power system is generally formed by welding metal stainless steel plates, a mounting frame is generally welded inside the gas-filled cabinet and used for mounting various electrical components, gas is filled into the gas inside the gas-filled cabinet after the components are placed to realize protection, the gas mainly plays roles of insulation protection, water resistance and dust prevention on various components, the gas can be guaranteed not to leak under a relatively sealed environment, and further the gas protection effect is realized, but the electrical components are in actual work, the electrical components can have the heating phenomenon due to the characteristics of self load and circuits, so that heat generated when the components in a relatively closed space work can be accumulated inside the gas-filled cabinet, and further the rapid rise of the heat inside the gas-filled cabinet is caused, the normal work of the components is reversely influenced, the electrical components run at high temperature for a long time, and the service life is prolonged.
In order to ensure that the electric elements in the electric power system gas-filled cabinet have a good working environment, in the prior art, gas is generally filled into the gas-filled cabinet to realize air isolation, so that the electric elements in the electric power system gas-filled cabinet are protected to realize water and dust prevention.
Disclosure of Invention
The invention aims to provide an indoor electric power system gas-filled cabinet to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an indoor electric power system who uses aerifys cabinet, includes the cabinet body, there is the cabinet door positive top of the cabinet body through hinge movable mounting, the positive below movable mounting of the cabinet body has the access cover, the left side fixed mounting on cabinet body top has three-way case, fixed mounting has the connecting pipe on the position that cabinet body inner chamber is close to the top, the fixed intercommunication in left end of connecting pipe has the intake pipe, the other end of intake pipe and the fixed intercommunication in left end of three-way case, the fixed intercommunication in right-hand member of connecting pipe has the gas-supply pipe, the other end of gas-supply pipe and the fixed intercommunication in right-hand member of three-way case, the fixed intercommunication in middle part of connecting pipe bottom has the heat exchange tube, the fixed intercommunication in position that the connecting pipe bottom is close to the right side has the air duct, the fixed intercommunication in front of air duct has drive assembly, the positive activity groove that is located drive assembly is seted up at the back of cabinet door, is located cabinet body top the lateral surface of gas-supply pipe has fixed the copper pipe that has connect, the middle part fixed mounting bracket of cabinet body inner chamber has.
Preferably, the back of the copper pipe is fixedly provided with a soaking plate, and the back of the soaking plate is fixedly provided with a fan set.
When the device is used, various components are firstly placed in the cabinet body, the components are fixed with the mounting frame, after the fixation is completed, the access cover is closed, the valve of the second gas cylinder is opened, sulfur hexafluoride in the second gas cylinder is input into the replacement pipe through the valve of the second gas cylinder, the sulfur hexafluoride in the replacement pipe can immediately enter the cabinet body to protect the components in the cabinet body, the valve of the first gas cylinder can be opened, nitrogen in the first gas cylinder is led into the three-way box, the one-way valve in the air inlet pipe is opened, the nitrogen immediately enters the connecting pipe through the air inlet pipe and has part of nitrogen entering the heat exchange pipe, the nitrogen in the snake-shaped heat exchange pipe can absorb heat of the components and reversely enters the air delivery pipe through the connecting pipe, when the high-temperature nitrogen in the air delivery pipe is delivered back to the three-way box, the heat can be absorbed through the copper pipe and transferred to the soaking plate, and the heat of the soaking plate can be dissipated by opening the fan set, so that the nitrogen in the air delivery pipe can flow back to the normal-temperature return box to realize the circulation.
Through having set up nitrogen gas as the heat transfer gas, at equipment during operation, through the inside with nitrogen gas input heat exchange tube, and carry out the heat exchange between heat and the nitrogen gas of electrical components work through snakelike heat exchange tube, reduce electrical components's heat, the nitrogen gas of while high temperature flows back to the inside of tee bend case again through the gas-supply pipe, and then through the heat exchange tube before flowing back the tee bend case, the copper pipe, the soaking plate has reduced the heat effectively, make it can cyclic utilization, not only do not destroy the seal structure and the insulating characteristic originally of gas-filled cabinet, utilize gas to go out the heat replacement of gas-filled cabinet inside to reduce its heat and realize gaseous cyclic utilization, effectively increased the life of gas-filled cabinet inside components and parts and the required energy consumption of cooling is lower.
Preferably, a first gas cylinder is fixedly mounted at a position, close to the upper side, of the back face of the cabinet body, a second gas cylinder is fixedly mounted at a position, close to the lower right corner, of the back face of the cabinet body, and the top end of the first gas cylinder is fixedly communicated with the back face of the three-way box.
Preferably, a position, close to the bottom end, on the right side of the cabinet body is fixedly communicated with a replacement pipe, the other end of the replacement pipe is fixedly communicated with the top end of a second gas cylinder, nitrogen is filled in the first gas cylinder, and sulfur hexafluoride is filled in the second gas cylinder.
The first gas cylinder is filled with normal-temperature nitrogen, the second gas cylinder is filled with normal-temperature sulfur hexafluoride, the nitrogen with the proper temperature can be selected according to the requirements of the use environment, the nitrogen is not limited to nitrogen, and inert non-conducting gases such as argon can be used.
The nitrogen has high content in the air, stable chemical property, no color, no odor and no combustion, and the nitrogen does not react with the sulfur hexafluoride, so that the nitrogen does not cause harm to the environment and human bodies even in the air leaked by the nitrogen.
Preferably, the bottom mounting intercommunication of air duct has the air guide head, the middle part fixed mounting of air guide head inner chamber has solid fixed ring, gu fixed ring's inside is equipped with sealing piston, the mounting groove has all been seted up to the left and right sides of solid fixed ring medial surface.
Preferably, the middle part fixed mounting of sealed piston has the loose axle, the torsional spring has been cup jointed in the lateral surface activity of loose axle, the one end of torsional spring and one side fixed connection of mounting groove, the other end of torsional spring and one side fixed connection of sealed piston.
When the interior of the cabinet body needs to be overhauled, a valve located in the air guide pipe can be opened before the cabinet door is opened, nitrogen in the connecting pipe can be discharged into the air guide head through the air guide pipe, at the moment, one end of the sealing piston can be stressed, stress of a torsion spring located on the outer side face of the movable shaft is further driven, the torsion spring is stressed and can be in a tight state, the movable shaft can be driven to rotate and drive the sealing piston to turn over, when the sealing piston turns over, nitrogen located in the air guide head can be input into the cabinet body through the air guide head, sulfur hexafluoride is continuously charged along with the nitrogen at the moment, the density of the sulfur hexafluoride is larger than that of the nitrogen, the sulfur hexafluoride sinks, along with the increase of the internal nitrogen, the sulfur hexafluoride finally returns to the interior of the second gas cylinder through the replacement pipe to be stored, at the moment, the sulfur hexafluoride does not flow out or flows out very little when the cabinet door is opened, meanwhile, the nitrogen can flow out when the cabinet door is opened, and the sulfur hexafluoride rises when the cabinet door is added again, and finally the cabinet body is added into the air guide head from the interior of the cabinet body, and finally circulation is completed.
The bottom end of the connecting pipe is communicated with the air guide pipe and the air guide head, the inflow of nitrogen can be controlled by controlling the valve in the air guide pipe, when the nitrogen is filled into the cabinet body, the density of the nitrogen is greatly different from that of sulfur hexafluoride, the density of the sulfur hexafluoride is multiple times of that of the nitrogen, and the sulfur hexafluoride do not react with each other, the sulfur hexafluoride can be pressed down to the bottom end of the cabinet body and returns to the inside of the second gas cylinder again through the replacement pipe to be stored, the sulfur hexafluoride in the cabinet body is replaced by the nitrogen in the process, the content of the nitrogen in the air is the largest, so that the sulfur hexafluoride is harmless to the environment, the greenhouse effect cannot be generated, the suffocation danger cannot be caused even if the sulfur hexafluoride leaks, the effective cooling of the inside of the cabinet body can be realized through the input of the nitrogen, the greenhouse effect can be prevented from flowing out, and the sulfur hexafluoride cabinet is suitable for popularization.
Preferably, the driving assembly comprises a branch pipe, an installation sleeve, a movable rod, a fixed plate, a reset spring, a movable plate, a pressure rod, a fixed seat and a sliding block, one end of the branch pipe is fixedly communicated with the front face of the air guide pipe, and the bottom end of the installation sleeve is fixedly communicated with the front face of the branch pipe.
Preferably, the back of the reset spring is fixedly connected with the movable rod, the fixed plate is fixedly connected with the top end of the inner cavity of the branch pipe, and the movable rod is movably sleeved with the fixed plate.
Preferably, the reset spring is movably sleeved on the outer side surface of the movable rod, the upper end and the lower end of the reset spring are fixedly connected with the bottom end of the movable plate and the top end of the fixed plate respectively, and the diameter of the movable plate is the same as the inner diameter of the mounting sleeve and is larger than the inner diameter of the branch pipe.
Preferably, the top of pressure pole is rotated with the fixing base through the pivot and is connected, be connected through strength magnets between fixing base and the slider, slider and activity groove activity joint.
When the cabinet door is opened to needs, the accessible is opened and is located the inside valve of air duct, and the inside nitrogen gas of air duct can get into the inside of branch pipe when carrying to the air guide head to give the fly leaf pressure, can install the cover forward displacement relatively after the fly leaf receives the pressure of nitrogen gas, and drive the pressure pole displacement, and because rotatable between pressure pole and the fixing base, and adsorb each other between fixing base and the slider, and the whole length of pressure pole is unchangeable. So the contained angle between pressure pole and the fixing base diminishes, and pressure pole and fixing base rotate relatively to promote the relative movable groove of slider and remove, the slider drives the fixing base and moves to the outside, and then drives the cabinet door and open, otherwise closes the inside valve of air duct, and the fly leaf just can not receive the pressure of nitrogen gas, and reset spring automatic re-setting drives the fly leaf and resumes initial position again, cabinet door self-closing.
The driving assembly is arranged on the front face of the air guide pipe, and when nitrogen is conveyed to the inside of the driving assembly from the air guide pipe by using the nitrogen, the mechanical device can be driven to be linked to realize automatic opening of the cabinet door, and the diameter of the air guide head is obviously larger than that of the branch pipe, so that the speed of replacing sulfur hexafluoride by the nitrogen is obviously higher than that of opening the cabinet door, the sulfur hexafluoride is replaced when the cabinet door is opened, an operator does not need to manually use a tool to rotate the valve to open and close the cabinet door, the automatic opening and closing can be realized by controlling the nitrogen by using the valve, when the nitrogen is introduced into the inside of the air guide pipe, the sulfur hexafluoride in the cabinet can be replaced to stop the greenhouse effect, and the cabinet door can be automatically opened for overhauling during replacement, and the sulfur hexafluoride replacing device has extremely high practical value.
The invention has the following beneficial effects:
1. according to the invention, nitrogen is used as heat exchange gas, when the equipment works, the nitrogen is input into the heat exchange tube, heat exchange is carried out between the heat generated by the operation of an electric element and the nitrogen through the snakelike heat exchange tube, the heat of the electric element is reduced, meanwhile, the high-temperature nitrogen flows back to the inside of the three-way box through the gas conveying pipe again, and the heat is effectively reduced through the heat exchange tube, the copper tube and the soaking plate before flowing back to the three-way box, so that the heat can be recycled.
2. The bottom end of the connecting pipe is communicated with the air guide pipe and the air guide head, the inflow of nitrogen can be controlled by controlling the valve in the air guide pipe, when the nitrogen is filled into the cabinet body, the sulfur hexafluoride is pressed to the bottom end of the cabinet body and returns to the inside of the second air bottle again through the replacement pipe to finish storage due to the characteristics that the density of the nitrogen is greatly different from that of the sulfur hexafluoride, the density of the sulfur hexafluoride is multiple times that of the nitrogen, and the sulfur hexafluoride and the nitrogen do not react with each other.
3. The driving assembly is arranged on the front side of the air guide pipe, and when nitrogen is conveyed from the air guide pipe to the interior of the driving assembly by using the nitrogen, the mechanical device can be driven to be linked to realize automatic opening of the cabinet door, and the diameter of the air guide head is obviously larger than that of the branch pipe, so that the speed of replacing sulfur hexafluoride by the nitrogen is obviously higher than that of opening the cabinet door, the sulfur hexafluoride is completely replaced when the cabinet door is opened, an operator does not need to manually use a tool to rotate the valve to open and close the cabinet door, the valve can be used for controlling the nitrogen to realize automatic opening and closing, when the nitrogen is introduced into the interior of the air guide pipe, the sulfur hexafluoride in the cabinet body can be replaced to stop the greenhouse effect, and the cabinet door can be automatically opened for maintenance while replacement, so that the nitrogen gas air guide pipe has extremely high practical value.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a backside structure of the present invention;
FIG. 3 is a schematic view of the open state of the cabinet door according to the present invention;
FIG. 4 is a partial sectional view of the internal structure of the cabinet of the present invention;
FIG. 5 is a schematic view of the internal structure of the cabinet of the present invention;
FIG. 6 is a schematic view of the back structure of the cabinet cavity of the present invention;
FIG. 7 is a cross-sectional view of a heat exchange tube and its top end construction of the present invention;
FIG. 8 is a partially cut away and exploded view of the drive assembly of the present invention;
FIG. 9 is an enlarged schematic view of the structure at A in FIG. 8;
fig. 10 is an enlarged schematic view of the structure at B in fig. 8.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. an access cover; 4. a three-way box; 5. an air inlet pipe; 6. a connecting pipe; 7. a gas delivery pipe; 8. a heat exchange pipe; 9. a copper tube; 10. a vapor chamber; 11. a fan set; 12. replacing the tube; 13. a first gas cylinder; 14. a second gas cylinder; 15. a mounting frame; 16. a movable groove; 17. an air duct; 18. a gas guiding head; 19. a fixing ring; 20. mounting grooves; 21. a sealing piston; 22. a movable shaft; 23. a torsion spring; 24. a drive assembly; 241. a branch pipe; 242. installing a sleeve; 243. a movable rod; 244. a fixing plate; 245. a return spring; 246. a movable plate; 247. a pressure rod; 248. a fixed seat; 249. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2 and fig. 4 and 5, in the embodiment of the present invention, an indoor electric power system inflatable cabinet includes a cabinet body 1, a cabinet door 2 is movably installed above the front of the cabinet body 1 through a hinge, an access cover 3 is movably installed below the front of the cabinet body 1, a three-way box 4 is fixedly installed on the left side of the top end of the cabinet body 1, a connecting pipe 6 is fixedly installed on the position of the inner cavity of the cabinet body 1 near the upper side, a gas inlet pipe 5 is fixedly communicated with the left end of the connecting pipe 6, (a one-way valve is installed inside the gas inlet pipe 5) the other end of the gas inlet pipe 5 is fixedly communicated with the left end of the three-way box 4, a gas pipe 7 is fixedly communicated with the right end of the connecting pipe 6, (a one-way valve is also installed inside the gas pipe 7 and flows in a direction opposite to the one-way valve inside the gas inlet pipe 5) the other end of the gas pipe 7 is fixedly communicated with the right end of the three-way box 4, a heat exchange pipe 8 is fixedly communicated with the middle part of the bottom end of the connecting pipe 6, a gas guide pipe 17 is fixedly communicated with a two-way valve is installed inside the gas guide pipe 17, a driving assembly 24 is fixedly communicated with the front of the gas guide pipe 17 is communicated with the front of the cabinet, a movable groove 16 is installed on the back of the driving assembly 24 is installed on the back side, a mounting rack is installed on the outer side of the cabinet body, a fan 10 fixed with the mounting rack 10 of the cabinet door, and a copper pipe 10 is installed on the inner side of the cabinet door 1, and a mounting rack 10 fixed with the mounting rack 10.
The first embodiment: when the device is used, various components are firstly placed in the cabinet body 1, the components and the mounting frame 15 are fixed, after the fixation is completed, the access cover 3 is closed, the valve of the second gas cylinder 14 is opened, sulfur hexafluoride in the second gas cylinder 14 is input into the replacement pipe 12, the sulfur hexafluoride in the replacement pipe 12 can immediately enter the cabinet body 1 to protect the components in the cabinet body 1, the valve of the first gas cylinder 13 can be opened, the nitrogen in the first gas cylinder 13 is introduced into the three-way box 4, the one-way valve in the air inlet pipe 5 is opened, the nitrogen immediately enters the connecting pipe 6 through the air inlet pipe 5, a part of the nitrogen enters the heat exchange pipe 8, the nitrogen in the snake-shaped heat exchange pipe 8 can absorb the heat of the components and reversely enters the air delivery pipe 7 through the connecting pipe 6, when the high-temperature nitrogen in the air delivery pipe 7 is delivered back into the three-way box 4, the high-temperature nitrogen can absorb the heat through the copper pipe 9 and conduct the heat to the heat exchange pipe 10, the heat dissipation plate 10 can be further realized by opening the fan set 11, the high-temperature reduction of the high-temperature nitrogen in the three-way box 4, and the nitrogen can be returned to the normal-temperature return state of the normal-temperature circulation box.
Through having set up nitrogen gas as heat transfer gas, at equipment during operation, through the inside with nitrogen gas input heat exchange tube 8, and carry out the heat exchange through snakelike heat exchange tube 8 between heat and the nitrogen gas with electrical components work, reduce electrical components's heat, nitrogen gas of high temperature flows back to the inside of tee bend case 4 again through gas-supply pipe 7 simultaneously, and then through heat exchange tube 8 before flowing back tee bend case 4, copper pipe 9, soaking plate 10 has reduced the heat effectively, make it can cyclic utilization, not only do not destroy the seal structure and the insulating characteristic originally of gas-filled cabinet, utilize gas to replace away the heat of gas-filled cabinet inside to reduce its heat and realize gaseous cyclic utilization simultaneously, effectively increased the life of the inside components and parts of gas-filled cabinet and the required energy consumption of cooling is lower.
As shown in fig. 2 and fig. 3, a first gas cylinder 13 is fixedly mounted at a position close to the upper side of the back of the cabinet body 1, a second gas cylinder 14 is fixedly mounted at a position close to the lower right corner of the back of the cabinet body 1, the top end of the first gas cylinder 13 is fixedly communicated with the back of the three-way box 4, a replacement pipe 12 is fixedly communicated at a position close to the bottom end of the right side of the cabinet body 1, the other end of the replacement pipe 12 is fixedly communicated with the top end of the second gas cylinder 14, nitrogen is filled in the first gas cylinder 13, and sulfur hexafluoride is filled in the second gas cylinder 14.
The first gas cylinder 13 is filled with normal temperature nitrogen, and the second gas cylinder 14 is filled with normal temperature sulfur hexafluoride, but the nitrogen with a proper temperature can be selected according to the requirements of the use environment, and the nitrogen is not limited to nitrogen, and inert non-conducting gases such as argon can be used.
The nitrogen has high content in the air, stable chemical property, no color, no odor and no combustion, does not react with sulfur hexafluoride, and does not cause harm to the environment and human bodies even if the nitrogen leaks into the air.
As shown in fig. 6 and 7 and fig. 8 and 9, the bottom mounting intercommunication of air duct 17 has air guide head 18, the middle part fixed mounting of air guide head 18 inner chamber has solid fixed ring 19, gu fixed ring 19's inside is equipped with sealing piston 21, mounting groove 20 has all been seted up to the left and right sides of solid fixed ring 19 medial surface, sealing piston 21's middle part fixed mounting has loose axle 22, torsional spring 23 has been cup jointed in the lateral surface activity of loose axle 22, the one end of torsional spring 23 and one side fixed connection of mounting groove 20, the other end of torsional spring 23 and one side fixed connection of sealing piston 21.
Second embodiment: when the inside of the cabinet body 1 needs to be repaired, before the cabinet door 2 is opened, the valve located inside the air duct 17 is opened, so that the nitrogen inside the connecting pipe 6 can be discharged into the air guiding head 18 through the air duct 17, at this time, one end of the sealing piston 21 can be stressed, so as to drive the torsion spring 23 on the outer side surface of the movable shaft 22 to be stressed, at this time, the torsion spring 23 is stressed in a tight state, and can drive the movable shaft 22 to rotate and drive the sealing piston 21 to turn over, when the sealing piston 21 turns over, the nitrogen located inside the air guiding head 18 can be input into the inside of the cabinet body 1 through the air guiding head 18, because the inside of the cabinet body 1 contains sulfur hexafluoride at this time, and the nitrogen continues to be filled into the inside of the cabinet body, the sulfur hexafluoride sinks along with the increase of the inside nitrogen, and finally returns to the inside of the second air bottle 14 through the replacement pipe 12 to be stored again, at this time, the cabinet door 2 is opened, the sulfur hexafluoride will not flow out or the sulfur hexafluoride will hardly flow out from the inside of the cabinet body 1 again when the cabinet door 2 is closed, and finally the air guiding head 18 can be added again to complete the circulation.
The bottom end of the connecting pipe 6 is communicated with the air guide pipe 17 and the air guide head 18, the inflow of nitrogen can be controlled by controlling a valve in the air guide pipe 17, when the nitrogen is filled into the cabinet body 1, the sulfur hexafluoride is pressed to the bottom end of the cabinet body 1 and returns to the second air bottle 14 again through the replacement pipe 12 to finish storage due to the characteristics that the density of the nitrogen is greatly different from that of the sulfur hexafluoride, the density of the sulfur hexafluoride is multiple times that of the nitrogen, and the sulfur hexafluoride and the nitrogen do not react with each other, the sulfur hexafluoride in the cabinet body 1 is replaced by the nitrogen in the process, the content of the nitrogen in the air is the largest, so that the sulfur hexafluoride is harmless to the environment, the greenhouse effect cannot be generated, the suffocation danger cannot be caused even if the sulfur leaks, the effective temperature reduction in the cabinet body 1 can be realized through the input of the nitrogen, the sulfur hexafluoride in the cabinet body 1 can be prevented from flowing out to generate the greenhouse effect, and the sulfur hexafluoride cabinet is suitable for popularization.
As shown in fig. 8 and 10, the driving assembly 24 includes a branch pipe 241, a mounting sleeve 242, a movable rod 243, a fixing plate 244, a return spring 245, a movable plate 246, a pressure rod 247, a fixing seat 248, and a slider 249, wherein one end of the branch pipe 241 is fixedly communicated with the front surface of the air duct 17, the bottom end of the mounting sleeve 242 is fixedly communicated with the front surface of the branch pipe 241, the return spring 245 is disposed in the mounting sleeve 242, the back surface of the return spring 245 is fixedly connected with the movable rod 243, the fixing plate 244 is fixedly connected with the top end of the inner cavity of the branch pipe 241, the movable rod 243 is movably sleeved with the fixing plate 244, the return spring 245 is movably sleeved on the outer side surface of the movable rod 243, the upper end and the lower end of the return spring 245 are respectively fixedly connected with the bottom end of the movable plate 246 and the top end of the fixing plate 244, the diameter of the movable plate 246 is the same as the inner diameter of the mounting sleeve 242 and is larger than the inner diameter of the branch pipe 241, the top end of the pressure rod 247 is rotatably connected with the fixing seat 248 through a rotating shaft, the magnet, the fixing seat is connected with the slider 249, and the slider 249 is movably clamped with the movable groove 16.
Third embodiment: when the cabinet door 2 needs to be opened, by opening the valve located inside the air duct 17, nitrogen inside the air duct 17 enters the interior of the branch pipe 241 while being conveyed to the air guide head 18, and gives pressure to the movable plate 246, after receiving the pressure of the nitrogen, is displaced forward relative to the mounting sleeve 242 and drives the pressure rod 247 to displace, and since the pressure rod 247 and the fixed seat 248 can rotate, the fixed seat 248 and the sliding block 249 are mutually adsorbed, and the overall length of the pressure rod 247 is unchanged. Therefore, the included angle between the pressure rod 247 and the fixing seat 248 is reduced, the pressure rod 247 and the fixing seat 248 rotate relatively and push the sliding block 249 to move relative to the movable groove 16, the sliding block 249 drives the fixing seat 248 to move outward to drive the cabinet door 2 to open, otherwise, the valve inside the air duct 17 is closed, the movable plate 246 is not subjected to the pressure of nitrogen, the return spring 245 automatically returns to drive the movable plate 246 to return to the initial position again, and the cabinet door 2 is automatically closed.
Through install drive assembly 24 in the front of air duct 17, and when utilizing nitrogen gas to carry drive assembly 24's inside with nitrogen gas from air duct 17, can drive mechanical device linkage and realize opening of cabinet door 2's automation, and because the diameter of leading gas head 18 is showing and is being greater than the diameter of branch pipe 241, so the speed that nitrogen gas replacement sulfur hexafluoride is showing and is being faster than the speed that cabinet door 2 was opened, so sulfur hexafluoride when cabinet door 2 is opened has been replaced and has been accomplished, and need not the manual use tool rotary valve of operating personnel and carry out opening and shutting of cabinet door 2, usable valve control nitrogen gas realizes automatic opening and shutting, not only can replace the sulfur hexafluoride of the internal portion of cabinet 1 when letting in nitrogen gas 17 and stop the greenhouse effect and can open cabinet door 2 in order to overhaul in the replacement automatically, possess high practical value.
The working principle and the using process are as follows:
when the device is used, various components are firstly placed in the cabinet body 1 and are fixed with the mounting rack 15, after the fixation is finished, the access cover 3 is closed, the valve of the second gas cylinder 14 is opened, sulfur hexafluoride in the second gas cylinder 14 is input into the replacement pipe 12, sulfur hexafluoride in the replacement pipe 12 can immediately enter the cabinet body 1 to protect the components in the cabinet body 1, the valve of the first gas cylinder 13 can be opened, nitrogen in the first gas cylinder 13 is introduced into the three-way box 4, the one-way valve in the gas inlet pipe 5 is opened, the nitrogen immediately enters the connecting pipe 6 through the gas inlet pipe 5, and a part of the nitrogen enters the heat exchange pipe 8, at the moment, the nitrogen in the snake-shaped heat exchange pipe 8 can absorb heat of the components and reversely enters the gas pipe 7 through the connecting pipe 6, when the high-temperature nitrogen in the gas pipe 7 is conveyed back into the three-way box 4, the high-temperature nitrogen in the gas pipe 7 can absorb heat and conduct to the soaking plate 10 through the copper pipe 9, the heat radiating plate 10 can be radiated by opening the fan set 11, the soaking plate 7 can be further realized, and the temperature reduction of the nitrogen in the three-way of the soaking box can be realized, and the normal-temperature reduction state of the nitrogen can be realized;
when the interior of the cabinet body 1 needs to be overhauled, before the cabinet door 2 is opened, a valve positioned in the air guide pipe 17 can be opened, so that nitrogen in the connecting pipe 6 can be discharged into the air guide head 18 through the air guide pipe 17, at the moment, one end of the sealing piston 21 can be stressed, and further the stress of the torsion spring 23 on the outer side surface of the movable shaft 22 is driven, at the moment, the torsion spring 23 is stressed in a tight state, and can drive the movable shaft 22 to rotate and drive the sealing piston 21 to turn over, when the sealing piston 21 turns over, the nitrogen in the air guide head 18 can be input into the interior of the cabinet body 1 through the air guide head 18, as the interior of the cabinet body 1 contains sulfur hexafluoride at the moment, and the sulfur hexafluoride is continuously filled with the nitrogen, and the density of the sulfur hexafluoride is greater than that of the nitrogen is increased, the sulfur hexafluoride finally returns to the interior of the second gas cylinder 14 through the replacement pipe 12 to complete storage, at the sulfur hexafluoride does not flow out or flows out very little when the nitrogen is added again when the cabinet door 2 is opened, and the sulfur hexafluoride can finally be added into the interior of the cabinet body 1 to complete circulation when the cabinet door 2 is opened;
when the cabinet door 2 needs to be opened, by opening the valve located inside the air duct 17, nitrogen inside the air duct 17 enters the interior of the branch pipe 241 while being conveyed to the air guide head 18, and gives pressure to the movable plate 246, after receiving the pressure of the nitrogen, is displaced forward relative to the mounting sleeve 242 and drives the pressure rod 247 to displace, and since the pressure rod 247 and the fixed seat 248 can rotate, the fixed seat 248 and the sliding block 249 are mutually adsorbed, and the overall length of the pressure rod 247 is unchanged. Therefore, the included angle between the pressure rod 247 and the fixing seat 248 is reduced, the pressure rod 247 and the fixing seat 248 rotate relatively, and the sliding block 249 is pushed to move relative to the movable groove 16, the sliding block 249 drives the fixing seat 248 to move outwards, so as to drive the cabinet door 2 to be opened, otherwise, when the valve inside the air duct 17 is closed, the movable plate 246 is not subjected to the pressure of nitrogen, the return spring 245 automatically resets to drive the movable plate 246 to be restored to the initial position again, and the cabinet door 2 is automatically closed.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an indoor electric power system of using aerifys cabinet, includes cabinet body (1), its characterized in that: a cabinet door (2) is movably arranged above the front surface of the cabinet body (1) through a hinge, an access cover (3) is movably arranged below the front surface of the cabinet body (1), a three-way box (4) is fixedly arranged on the left side of the top end of the cabinet body (1), a connecting pipe (6) is fixedly arranged at the position close to the upper part of the inner cavity of the cabinet body (1), an air inlet pipe (5) is fixedly communicated with the left end of the connecting pipe (6), the other end of the air inlet pipe (5) is fixedly communicated with the left end of the three-way box (4), the right end of the connecting pipe (6) is fixedly communicated with a gas pipe (7), the other end of the gas pipe (7) is fixedly communicated with the right end of the three-way box (4), the middle part of the bottom end of the connecting pipe (6) is fixedly communicated with a heat exchange pipe (8), the position of the bottom end of the connecting pipe (6) close to the right side is fixedly communicated with an air duct (17), the front surface of the air duct (17) is fixedly communicated with a driving component (24), the back of the cabinet door (2) is provided with a movable groove (16) positioned on the front of the driving component (24), the driving component (24) is matched with the movable groove (16) to realize the opening or closing of the cabinet door (2), a copper pipe (9) is fixedly sleeved on the outer side surface of the gas transmission pipe (7) positioned at the top end of the cabinet body (1), the middle part of the inner cavity of the cabinet body (1) is fixedly provided with a mounting frame (15);
a first gas cylinder (13) is fixedly mounted at a position, close to the upper part, on the back surface of the cabinet body (1), a second gas cylinder (14) is fixedly mounted at a position, close to the lower right corner, on the back surface of the cabinet body (1), and the top end of the first gas cylinder (13) is fixedly communicated with the back surface of the three-way box (4);
a replacement pipe (12) is fixedly communicated with the right side of the cabinet body (1) close to the bottom end, the other end of the replacement pipe (12) is fixedly communicated with the top end of a second gas cylinder (14), nitrogen is filled in the first gas cylinder (13), and sulfur hexafluoride is filled in the second gas cylinder (14).
2. An indoor-use electric power system gas-filled cabinet as claimed in claim 1, wherein: the back of the copper pipe (9) is fixedly provided with a soaking plate (10), and the back of the soaking plate (10) is fixedly provided with a fan set (11).
3. An indoor-use electric power system gas-filled cabinet as claimed in claim 1, wherein: the bottom end of the air duct (17) is fixedly communicated with an air guide head (18), the middle part of the inner cavity of the air guide head (18) is fixedly provided with a fixing ring (19), a sealing piston (21) is arranged inside the fixing ring (19), and the left side and the right side of the inner side surface of the fixing ring (19) are both provided with mounting grooves (20);
the middle part fixed mounting of sealed piston (21) has loose axle (22), torsional spring (23) has been cup jointed in the lateral surface activity of loose axle (22), the one end of torsional spring (23) and one side fixed connection of mounting groove (20), the other end of torsional spring (23) and one side fixed connection of sealed piston (21).
4. An indoor-use electric power system gas-filled cabinet as claimed in claim 1, wherein: the driving assembly (24) comprises a branch pipe (241), an installation sleeve (242), a movable rod (243), a fixed plate (244), a return spring (245), a movable plate (246), a pressure rod (247), a fixed seat (248) and a sliding block (249), one end of the branch pipe (241) is fixedly communicated with the front face of the air guide pipe (17), and the bottom end of the installation sleeve (242) is fixedly communicated with the front face of the branch pipe (241);
the return spring (245) is arranged in the mounting sleeve (242), the back of the return spring (245) is fixedly connected with the movable rod (243), the fixed plate (244) is fixedly connected with the top end of the inner cavity of the branch pipe (241), and the movable rod (243) is movably sleeved with the fixed plate (244);
the return spring (245) is movably sleeved on the outer side surface of the movable rod (243), the upper end and the lower end of the return spring (245) are fixedly connected with the bottom end of the movable plate (246) and the top end of the fixed plate (244) respectively, and the diameter of the movable plate (246) is the same as the inner diameter of the mounting sleeve (242) and is larger than the inner diameter of the branch pipe (241);
the top of pressure pole (247) is rotated with fixing base (248) through the pivot and is connected, be connected through magnetic adsorption between fixing base (248) and slider (249), slider (249) and activity groove (16) activity joint.
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| CN202111508032.9A CN113991455B (en) | 2021-12-10 | 2021-12-10 | Indoor power system who uses aerifys cabinet |
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| CN202111508032.9A CN113991455B (en) | 2021-12-10 | 2021-12-10 | Indoor power system who uses aerifys cabinet |
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| CN113991455B true CN113991455B (en) | 2022-10-25 |
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| CN119482133B (en) * | 2024-12-19 | 2025-04-22 | 山东恒善自动化设备有限公司 | An inflatable cabinet assembly capable of rapid pressure reduction |
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