CN117200058A - Quick ventilation type gas-insulated switchgear - Google Patents
Quick ventilation type gas-insulated switchgear Download PDFInfo
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- CN117200058A CN117200058A CN202311478319.0A CN202311478319A CN117200058A CN 117200058 A CN117200058 A CN 117200058A CN 202311478319 A CN202311478319 A CN 202311478319A CN 117200058 A CN117200058 A CN 117200058A
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- fixedly connected
- shell
- air
- box
- gas
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- 238000009423 ventilation Methods 0.000 title claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 76
- 238000004146 energy storage Methods 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 35
- 238000010168 coupling process Methods 0.000 claims description 35
- 238000005859 coupling reaction Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 19
- 239000010720 hydraulic oil Substances 0.000 claims description 19
- 239000012212 insulator Substances 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 241000883990 Flabellum Species 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 138
- 239000007789 gas Substances 0.000 description 99
- 229910052757 nitrogen Inorganic materials 0.000 description 67
- 230000005540 biological transmission Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The invention discloses a quick ventilation type gas-insulated switchgear, which relates to the technical field of switchgears. The technical problem that heat generated by electric elements in the gas tank is accumulated because insulating gas in the gas tank of the gas insulated switchgear is difficult to completely dissipate heat in the gas tank is solved. The invention provides a quick ventilation type gas-insulated switchgear, which comprises a shell, wherein a wiring door is hinged to the side wall of the shell, a gas tank for storing insulating gas is fixedly connected to the shell, a heat dissipation conduit is communicated with the gas tank, a heat dissipation air pump is installed on the heat dissipation conduit, a heat exchange tank is fixedly connected to one side, far away from the gas tank, of the shell, and a three-fork conduit is fixedly connected and communicated to one side, close to the wiring door, of the heat exchange tank. According to the invention, the heat dissipation air pump is used for controlling the circulation flow of the insulating gas in the air box, so that the heat generated by the electric elements in the air box is prevented from accumulating in the air box, and the electric elements in the air box are prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a quick ventilation type gas-insulated switch cabinet.
Background
The gas-insulated switchgear is a complete switch equipment for sealing high-voltage elements in a gas tank filled with insulating gas, the insulating gas filled in the gas tank of the gas-insulated switchgear can inhibit high-voltage electric arcs generated by electric elements in the gas tank, and compared with a common switchgear, the gas-insulated switchgear is smaller in size and more space-saving.
Because the gas insulated switchgear has small, the gas tank is closed in comparison with the metal switchgear of the same level characteristics, therefore the heat that electrical components produced in the gas tank is difficult to transfer away from the closed gas tank, the gas insulated switchgear mainly adopts and installs fin or fan outside the gas tank to cool the gas tank shell at the present stage, then the heat that electrical components in the gas insulated switchgear distribute is thermally conducted to the gas tank shell through the insulating gas in the gas tank, so as to dispel the heat of electrical components in the gas tank, but this kind of radiating means is influenced by the heat transfer efficiency of insulating gas, it is difficult to fully dispel the heat of electrical components in the gas tank, make the heat accumulation in the gas tank, make electrical components in the gas tank unable to keep the best working state, can lead to electrical components damage in the gas tank in serious cases.
Disclosure of Invention
The invention provides a rapid ventilation type gas-insulated switchgear in order to overcome the defect that heat generated by electric elements in a gas tank is accumulated because insulating gas in the gas tank is difficult to completely dissipate heat in the gas tank.
The technical scheme of the invention is as follows: the utility model provides a quick ventilation formula gas insulated switchgear, includes the shell, the lateral wall of shell articulates there is the junction gate, the shell rigid coupling has the inside gas tank that deposits insulating gas, the gas tank is kept away from one side of junction gate is provided with and passes the mirror image and equidistant bus-bar insulator that distributes of shell, the gas tank is close to one side of junction gate is provided with three station operating device and circuit breaker operating device, the gas tank is close to one side of junction gate is provided with equidistant insulator that is qualified for next round of competitions, the gas tank intercommunication has the heat dissipation pipe, the heat dissipation air pump is installed to the heat dissipation pipe, the shell is kept away from one side rigid coupling of gas tank has the heat exchange box, the heat exchange pipe keep away from one end of gas tank with the heat exchange box intercommunication, the heat exchange box is close to one side rigid coupling of junction gate and intercommunication have three turnout pipes, the gas tank is close to one side rigid coupling of three turnout pipes and intercommunication have the coupling shell that the mirror image distributes, three turnout pipes with be provided with swing subassembly between the coupling shell, the heat exchange box is provided with and is used for when the gas tank is in the quick cooling mechanism of its temperature.
Further, the heat dissipation mechanism is including equidistant conducting strip, equidistant the conducting strip all rigid coupling in the heat exchange box, the heat exchange box be close to one side of three turnout pipe is provided with the through-hole, the through-hole department rigid coupling of heat exchange box has elastic pad and collection shell, the elastic pad the collection shell with the heat exchange box cooperation forms first cavity, the heat exchange box rigid coupling have with the energy storage shell of three turnout pipe intercommunication, the energy storage shell rigid coupling has first telescopic link, first telescopic link pass through the pipe with first cavity intercommunication, the sliding connection has the energy storage board in the energy storage shell, the flexible end of first telescopic link pass the energy storage shell and with the energy storage board rigid coupling, the energy storage board articulates there is mirror image distribution's pendulum board, just the energy storage board with the rigid coupling has the torsional spring between the pendulum board, pendulum board sliding connection has the hemisphere post, and the rigid coupling has the spring between the two, the energy storage board be provided with hemisphere post spacing complex recess, first cavity and with the hydraulic oil of all intercommunication in the energy storage shell.
Further, swing subassembly is including the outer flabellum that the mirror image distributes, the mirror image distributes outer flabellum all rotate connect in three turnout pipes, outer flabellum rigid coupling has interior flabellum, the connection shell rotates and is connected with the transmission flabellum, the transmission flabellum rigid coupling has a missing gear, the gas tank be close to one side of connection shell rotates and is connected with the aviation baffle that the mirror image distributes, the aviation baffle with the rigid coupling has the torsional spring between the gas tank, the aviation baffle be close to adjacent the one end of missing gear be provided with missing gear complex gear.
Further, still including set up in the gas collecting mechanism of shell, gas collecting mechanism is used for before the staff overhauls its interior insulating gas collection of gas tank, gas collecting mechanism including the access door, the access door hinge in the one side of junction gate is kept away from to the shell, access door sliding connection has the handle, the access door is close to the position of handle is provided with the inlet port, the handle is provided with the through-hole, the shell rigid coupling has a seal section of thick bamboo, seal section of thick bamboo sliding connection has the seal post, and the rigid coupling has a spring between the two, seal the post with seal section of thick bamboo cooperation forms the second cavity, second cavity rigid coupling and intercommunication have the seal pipe, the second cavity with hydraulic oil has all been deposited in the seal pipe, the three-way pipe be close to one side rigid coupling of energy storage shell and intercommunication have the seal shell, the seal shell rigid coupling has the second telescopic link, the second telescopic link with seal pipe intercommunication, the telescopic link has the expansion link in the seal board in the seal shell, the end of second telescopic link and pass the shell the seal board with seal board is used for setting up the clearance piece to seal the clearance subassembly.
Further, the limiting component comprises an elastic sheet, the elastic sheet is fixedly connected to one side, close to the handle, of the outer shell, the elastic sheet is matched with the outer shell to form an installation cavity, hydraulic oil is stored in the installation cavity, a limiting block is connected in the installation cavity in a sliding mode, and the limiting block is matched with the handle.
Further, the cleaning component comprises an exhaust duct, the exhaust duct is communicated with one side, close to the heat exchange box, of the air box, an exhaust pump is installed on the exhaust duct, one side, close to the air box, of the heat exchange box is fixedly connected with an exhaust drum communicated with the exhaust duct, the exhaust drum is provided with a through groove, a cleaning fork is connected in the through groove of the exhaust drum in a sliding manner, the cleaning fork is in contact with equidistant heat conducting sheets, and a spring is fixedly connected between the cleaning fork and the heat exchange box.
Further, still including set up in the air feed mechanism of air tank, air feed mechanism is used for keeping its interior insulating gas's concentration when the air tank takes place to reveal, air feed mechanism is including the guard box, the guard box rigid coupling in the air tank is close to one side of heat exchange box, the guard box rigid coupling and intercommunication have the gas injection post, the guard box rigid coupling and intercommunication have the reposition of redundant personnel spare, the reposition of redundant personnel spare is provided with the reposition of redundant personnel through-hole, the reposition of redundant personnel through-hole pass through the pipe with the air tank intercommunication, the air tank rigid coupling and pass through the pipe intercommunication have a detection section of thick bamboo, it has sliding plate and damping piece to detect the section of thick bamboo sliding connection, the sliding plate with the rigid coupling has the spring between the damping piece, the damping piece rigid coupling has the shutoff board, the shutoff board with reposition of redundant personnel spare sliding connection, the reposition of redundant personnel spare is provided with be used for right the sealed sealing assembly of shell, the air tank is provided with and prevents when overhauling to cause the mistake of interference to detect the section of thick bamboo.
Furthermore, the inside of the flow dividing piece is fixedly connected with a vibration sheet, and the vibration sheet can vibrate when being blown by gas.
Further, the sealing assembly comprises a third telescopic rod, the third telescopic rod is fixedly connected to the shell, the third telescopic rod is communicated with the flow dividing piece through a guide pipe, the shell is provided with heat dissipation holes distributed in a mirror image mode, one side, close to the heat dissipation holes, of the shell is slidably connected with a sealing piece, the sealing piece is fixedly connected with a limiting hemisphere distributed in a mirror image mode, a spring is fixedly connected between the limiting hemisphere and the sealing piece, and the shell is provided with a groove matched with the limiting hemisphere in a limiting mode.
Further, the anti-false-touch assembly comprises a piston, the piston is connected with the closed conduit in a sliding mode, an unlocking plate is connected with the position, communicated with the detection cylinder, of the air box in a sliding mode, the unlocking plate is fixedly connected with the piston, and the unlocking plate is connected with the closed conduit in a sliding mode.
The beneficial effects of the invention are as follows:
1. according to the invention, the heat dissipation air pump is used for controlling the circulation flow of the insulating gas in the air box, so that the heat generated by the electric elements in the air box is prevented from accumulating in the air box, and the electric elements in the air box are prevented from being damaged.
2. The heat dissipation time of the insulating gas is increased, so that the low-temperature insulating gas is controlled to flow rapidly in the gas tank, and the temperature of electrical components in the gas tank is further reduced.
3. When the staff overhauls the cubical switchboard, collect the insulating gas in the gas tank, insulating gas takes place to reveal when preventing to overhaul, causes the pollution to the external air, leads to the staff to receive the injury even.
4. When the air pressure in the air box is reduced, the insulation gas in the air box is timely supplemented, the concentration of the insulation gas in the air box is kept, and electric arcs caused when electric elements in the air box are switched on and off are restrained.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the gas box, bus insulator and circuit breaker operating mechanism of the present invention;
FIG. 3 is a schematic perspective view of the heat dissipating air pump, heat exchange box and three-way conduit of the present invention;
FIG. 4 is a schematic perspective view of the elastic pad, the collecting shell and the energy storage shell of the present invention;
FIG. 5 is a schematic perspective view of the energy storage plate, swing plate and hemispherical pillars of the present invention;
FIG. 6 is a schematic perspective view of a driving blade, a gear-missing and an air deflector according to the present invention;
FIG. 7 is a schematic perspective view of the housing, access door and handle of the present invention;
FIG. 8 is a schematic perspective view of the handle, closure cartridge and closure post of the present invention;
FIG. 9 is a schematic perspective view of the closure shell, second telescoping rod and closure plate of the present invention;
FIG. 10 is a schematic perspective view of an exhaust pump, exhaust cartridge and cleaning fork according to the present invention;
FIG. 11 is a schematic perspective view of the housing, the protective case and the cartridge of the present invention;
FIG. 12 is a schematic perspective view of the diverter, the vibrating plate and the diverter through hole of the present invention;
FIG. 13 is a schematic perspective view of a third telescoping rod, seal and limit hemisphere of the present invention;
fig. 14 is a schematic perspective view of the closed conduit, piston and unlocking plate of the present invention.
The marks in the drawings are: a-heat dissipation mechanism, b-swing assembly, c-gas collection mechanism, d-limit assembly, e-cleaning assembly, f-gas supply mechanism, g-sealing assembly, h-anti-false touch assembly, 1-shell, 2-wiring door, 3-gas box, 4-bus insulator, 5-three-station operation mechanism, 6-circuit breaker operation mechanism, 7-wire insulator, 8-heat dissipation conduit, 9-heat dissipation air pump, 10-heat exchange box, 11-three-fork conduit, 12-connection shell, 1201-heat conducting sheet, 13-elastic pad, 14-collection shell, 1401-first cavity, 15-energy storage shell, 16-first telescopic rod, 17-energy storage plate, 18-swing plate, 19-hemispherical column, 20-outer fan blades, 21-inner fan blades, 22-transmission fan blades, 23-missing gears, 24-air guide plates, 25-access doors, 26-handles, 2601-installation cavities, 2602-elastic sheets, 2603-limiting blocks, 27-sealing cylinders, 28-sealing columns, 2801-second cavities, 29-sealing pipes, 30-sealing shells, 31-second telescopic rods, 32-sealing plates, 33-exhaust pipes, 34-exhaust pumps, 35-exhaust cylinders, 36-cleaning forks, 37-protection boxes, 3701-gas injection columns, 38-diversion pieces, 39-vibration sheets, 40-diversion through holes, 41-detection cylinders, 42-sliding plates, 43-damping blocks, 44-sealing plates, 45-third telescopic rods, 46-sealing element, 4601-radiating hole, 47-limit hemisphere, 48-piston, 49-unlocking plate.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
Example 1: the utility model provides a quick ventilation formula gas-insulated switchgear, as shown in fig. 1-3, including shell 1, the lower part of shell 1 front side articulates there is wiring door 2, the upper portion rigid coupling in shell 1 has air tank 3, the air tank 3 intussuseption is filled with the insulating gas (here nitrogen gas) that is used for suppressing high-pressure electric arc, the left and right sides on air tank 3 upper portion all is provided with three busbar insulator 4 of equidistance, busbar insulator 4 passes the lateral wall of shell 1 adjacent one side, three station operating mechanism 5 and circuit breaker operating mechanism 6 have been set gradually from top to bottom in the front side of air tank 3, the front portion of air tank 3 downside is provided with three outlet insulator 7 of equidistance, the rear portion intercommunication of air tank 3 downside has heat dissipation pipe 8, the mid-mounting of heat dissipation pipe 8 has the heat dissipation air pump 9 that is used for taking out nitrogen gas in the air tank 3, the downside rigid coupling in shell 1 has heat exchange box 10, the lower extreme and the rear portion intercommunication of heat exchange box 10 upside, the middle part intercommunication of heat exchange box 10 front side of three fork pipe 11 has, three fork 11 and heat exchange box 11 have the heat dissipation pipe 11 and heat exchange box 3 a three fork 10 to be connected with the heat exchange box 3, the air pump 10 and the heat exchange component is provided with the heat exchange box 3 in the heat exchange box 3 is carried out in the heat exchange box 1 through the front of the heat exchange box, the air pump 1, the speed is improved, and the air pump 1 is connected with the heat box 3 through the heat box 3, and the heat box 3 is connected with the heat box 3.
As shown in fig. 2-5, the heat dissipation mechanism a comprises equidistant heat conducting fins 1201, the equidistant heat conducting fins 1201 are fixedly connected to the upper side of the heat exchange box 10, the lower parts of the heat conducting fins 1201 penetrate through the upper side of the heat exchange box 10 and are positioned in the heat exchange box 10, after nitrogen enters the heat exchange box 10, the nitrogen exchanges heat with the heat conducting fins 1201, the left part of the front side of the heat exchange box 10 is provided with a through hole, the through hole of the heat exchange box 10 is fixedly connected with an elastic pad 13 and a collecting shell 14 from inside to outside in sequence, the elastic pad 13 is made of rubber materials, the elastic pad 13 is not deformed initially until the temperature in the air box 3 rises to enable the nitrogen to expand and extrude the elastic pad 13 to protrude forwards, the elastic pad 13, the collecting shell 14 and the heat exchange box 10 are matched to form a first cavity 1401, the middle part of the front side of the heat exchange box 10 is fixedly connected with an energy storage shell 15, the energy storage shell 15 is a plate with a circular through hole, the round through hole of the energy storage shell 15 is respectively communicated with the three-fork guide pipe 11 and the heat exchange box 10, the middle part of the left side of the energy storage shell 15 is fixedly connected with a first telescopic rod 16, the first telescopic rod 16 is communicated with a first cavity 1401 through the guide pipe, the energy storage shell 15 is slidably connected with an energy storage plate 17, the energy storage plate 17 is a rectangular plate with square through holes, the telescopic end of the first telescopic rod 16 penetrates through the left side of the energy storage shell 15 and is fixedly connected with the middle part of the left side of the energy storage plate 17, two swinging plates 18 which are distributed in a left-right mirror image manner are hinged in the square through holes of the energy storage plate 17, torsion springs are fixedly connected between the energy storage plate 17 and the swinging plates 18, the upper side and the lower side of the swinging plates 18 are both slidingly connected with hemispherical columns 19, springs are fixedly connected between the swinging plates 18 and the hemispherical columns 19, four grooves which are distributed in a square shape are arranged in the square through holes of the energy storage plate 17 are in limit fit with the hemispherical columns 19, when the nitrogen pressure in the heat exchange box 10 rises, the high-pressure nitrogen pushes the two swing plates 18 to swing forwards, the hemispherical columns 19 slide into the adjacent swing plates 18 along the inclined planes of the grooves of the adjacent energy storage plates 17, springs adjacent to the hemispherical columns 19 are compressed, hydraulic oil is stored in the first cavity 1401 and the guide pipes communicated with the first telescopic rods 16, the heat exchange time of the nitrogen in the heat exchange box 10 is increased, the volume of the nitrogen in the heat exchange box 10 is compressed, the nitrogen is pressurized and heated, then the high-pressure nitrogen enters the air box 3 through the three-fork guide pipes 11 and the connecting shell 12, the volume of the high-pressure nitrogen is enlarged, heat in the air box 3 is absorbed, and the heat in the air box 3 is absorbed.
As shown in fig. 3 and 6, the swinging component b includes two outer blades 20 distributed in a left-right mirror image manner, the two outer blades 20 are all rotationally connected to the upper end of the three-fork guide pipe 11, an inner blade 21 is fixedly connected to the middle part in the outer blade 20, a transmission blade 22 is rotationally connected to the middle part in the connecting shell 12, swing angles of the outer blade 20, the inner blade 21 and the upper blade of the transmission blade 22 are the same, a gear-missing part 23 is fixedly connected to the upper part of the transmission blade 22, the left-right parts of the front side of the air box 3 are rotationally connected with an air deflector 24, the air deflector 24 consists of a guide plate and a connecting shaft, a torsion spring is fixedly connected between the connecting shaft of the air deflector 24 and the air box 3, a gear matched with the adjacent gear-missing part 23 is arranged at the lower end of the connecting shaft of the air deflector 24, when the transmission blade 22 is blown by nitrogen in the connecting shell 12, the transmission blade 22 is driven by the guide plate of the gear-missing part 23 and the connecting shaft of the adjacent air deflector 24, the guide plate 24 is driven to swing, and the nitrogen flowing into the air box 3 is guided to flow in different directions.
When the staff inserts and starts working the bus insulator 4 and the outgoing insulator 7, the staff opens the heat dissipation air pump 9, the heat dissipation air pump 9 guides nitrogen in the air tank 3 into the heat exchange tank 10 through the heat dissipation guide pipe 8, the nitrogen in the heat exchange tank 10 exchanges heat with the heat conducting fin 1201, then under the pushing of the heat dissipation air pump 9, the nitrogen in the heat exchange tank 10 flows to two sides of the front part of the air tank 3 through the three-fork guide pipe 11 and the connecting shell 12 in sequence, the nitrogen in the air tank 3 is guided into the heat exchange tank 10 through the heat dissipation air pump 9 and circularly cooled with gas in the shell 1, and high temperature generated by electric elements in the air tank 3 is prevented from accumulating in the air tank 3, so that the electric elements in the air tank 3 are damaged.
When the temperature in the air tank 3 continuously rises, the nitrogen in the air tank 3 expands in volume at high temperature, the elastic pad 13 is pushed to bulge forwards, hydraulic oil in the first cavity 1401 flows to the first telescopic rod 16 through the guide pipe, the telescopic end of the first telescopic rod 16 is pushed to extend, the energy storage plate 17 is driven to move right, the energy storage plate 17 drives the swing plate 18 and the hemispherical column 19 to move right, the energy storage plate 17 seals the three-branch guide pipe 11, then under the action of the heat dissipation air pump 9, the air pressure in the heat exchange tank 10 is gradually increased, finally, high-pressure nitrogen in the heat exchange tank 10 pushes the swing plate 18 to swing forwards, the hemispherical plate 18 faces to the adjacent swing plate 18 along the hemisphere of the hemispherical column 19, the spring between the swing plate 18 and the hemispherical column 19 is compressed, the hemispherical column 19 loses contact with the groove of the energy storage plate 17, the hemispherical column 19 stops limiting the adjacent swing plate 18, at the moment, the high-pressure nitrogen in the heat exchange tank 10 flows to the air tank 3 through the energy storage plate 17, the three-branch guide pipe 11 and the connecting shell 12, the nitrogen is gathered in the heat exchange tank 10, the nitrogen is cooled in the heat exchange tank 10, the nitrogen cooling time is increased, the nitrogen pressure in the heat exchange tank 3 is cooled, the nitrogen is cooled, the high-pressure is cooled, the nitrogen pressure in the nitrogen is cooled, and the nitrogen pressure in the heat release box 3 is cooled, and the high pressure is cooled, and the temperature is increased, and the temperature is cooled, and the temperature in the air is cooled, and the nitrogen is cooled.
When nitrogen passes through the three-fork guide pipe 11 and the connecting shell 12, the nitrogen pushes the inner fan blade 21 to rotate, the inner fan blade 21 drives the outer fan blade 20 to rotate, hot air near the heat exchange box 10 is conveyed upwards, then the nitrogen passes through the transmission fan blade 22 and pushes the transmission fan blade 22 to rotate, the transmission fan blade 22 drives the gear lack wheel 23 to rotate, the gear lack wheel 23 is meshed with the gear of the adjacent air guide plate 24 and drives the adjacent air guide plate 24 to swing, torsion springs between the air guide plate 24 and the air box 3 are twisted, the air guide plate 24 is reversely reset under the action of the adjacent torsion springs along with the rotation of the gear lack wheel 23 to the gear lack position, the nitrogen drives the outer fan blade 20 and the transmission fan blade 22 to rotate, hot air near the heat exchange box 10 is conveyed upwards, the heat exchange efficiency of the heat conducting plate 1201 and the air in the shell 1 is improved, the nitrogen drives the air guide plate 24 to swing reciprocally, the flowing direction of the nitrogen in the air box 3 is changed, and the cooling efficiency in the air box 3 is increased.
Example 2: on the basis of embodiment 1, as shown in fig. 7-9, the device further comprises a gas collecting mechanism c arranged on the shell 1, the gas collecting mechanism c is used for collecting nitrogen in the gas tank 3 before the gas tank 3 is overhauled by staff, the gas collecting mechanism c comprises an access door 25, the access door 25 is hinged on the rear side of the shell 1, the middle part of the left side in the access door 25 is slidably connected with a handle 26, the handle 26 consists of a cylindrical grip and a T-shaped plate with a through hole, an air inlet hole is formed in the middle part of the left side of the access door 25, a sealing cylinder 27 is fixedly connected with a sealing cylinder 27 in the left part of the rear side of the shell 1, the sealing cylinder 27 is slidably connected with a sealing post 28, the sealing post 28 consists of a cylinder and a disc, the cylinder of the sealing post 28 passes through the right side of the sealing cylinder 27 and contacts with the left side of the T-shaped plate of the handle 26, a spring which is in an initial compression state is fixedly connected between the sealing cylinder 27 and the sealing post 28, the right side of the disc of the sealing post 28 is matched with the sealing cylinder 27 to form a second cavity 2801, the second cavity 2801 is fixedly connected with a sealing conduit 29, the second cavity 2801 and the sealing conduit 29 is communicated with the right side, hydraulic oil 11 and the conduit 29 are respectively, a sealing plate 11 and a sealing conduit 11 is fixedly connected with the left side of the sealing post 30, a sealing post 30 is fixedly connected with a sealing plate 30, a sealing plate 31 is fixedly connected with a sealing plate 30, and a sealing plate 30 is arranged on the sealing plate 30, and a sealing plate 30 is fixedly connected with a sealing side and a sealing plate 30, and a sealing box and a sealing plate 31, and a sealing plate 31 is provided with a sealing cylinder and a sealing hole.
As shown in fig. 8, the limiting component d comprises an elastic piece 2602, the elastic piece 2602 is fixedly connected to the left part of the inner rear side of the shell 1, the elastic piece 2602 and the shell 1 are matched to form a mounting cavity 2601, the mounting cavity 2601 is composed of a large cylindrical cavity and a small cylindrical cavity perpendicular to the large cylindrical cavity, hydraulic oil is stored in the mounting cavity 2601, a limiting block 2603 is slidingly connected in the small cylindrical cavity of the mounting cavity 2601, the limiting block 2603 is composed of a disc and a rectangular column, the rectangular column of the limiting block 2603 is matched with a T-shaped plate of the handle 26, when a worker pulls the handle 26 to move, the rectangular column of the limiting block 2603 limits the T-shaped plate of the handle 26 until the gas in the gas box 3 is completely discharged, the rectangular column of the limiting block 2603 is moved downwards under the action of hydraulic oil in the mounting cavity 2601, the limiting block 2603 is in contact with the T-shaped plate of the handle 26, the limiting block of the handle 26 is removed, the limiting of the gas box 3 is detected through the elastic piece 2602, and when the gas in the gas box 3 is not completely discharged, the gas is prevented from being opened by the worker, and nitrogen flows out of the gas box 3 to the outside, and loss is caused by nitrogen.
As shown in fig. 7 and 10, the cleaning assembly e includes an exhaust duct 33, the exhaust duct 33 is communicated with the middle of the lower side of the air box 3, an exhaust pump 34 for pumping air out of the air box 3 is installed on the exhaust duct 33, an exhaust drum 35 is fixedly connected to the middle of the upper side of the heat exchange box 10, the rear end of the exhaust drum 35 is communicated with the lower end of the exhaust duct 33, a through groove is formed in the lower side of the exhaust drum 35, a cleaning fork 36 is slidably connected in the through groove of the exhaust drum 35, the cleaning fork 36 is composed of a cylinder, a connecting block and a scraper, the scraper of the cleaning fork 36 is contacted with equidistant heat conducting fins 1201, a spring is fixedly connected between the cleaning fork 36 and the heat exchange box 10, the surface of the heat conducting fins 1201 is kept clean by conveying air in the air box 3 into the casing 1 and cleaning the heat conducting fins 1201 by driving the cleaning fork 36 through air, and dust adhering to the heat conducting fins 1201 is prevented from causing the reduction of the heat exchange rate of the heat conducting fins 1201 and the air in the casing 1.
When the switch cabinet needs to be overhauled, a worker cuts off the connection between the bus insulator 4 and the outgoing insulator 7, then pulls the handle 26 rightward until the handle 26 contacts the limiting block 2603 and is limited by the limiting block 2603, at the moment, the worker stops pulling the handle 26, in the process, the sealing post 28 moves rightward along with the handle 26 under the action of the adjacent spring, the volume in the second cavity 2801 is reduced, hydraulic oil in the second cavity 2801 is pushed to flow to the second telescopic rod 31 along the sealing conduit 29, the telescopic end of the second telescopic rod 31 is pushed to extend, the sealing plate 32 is driven to move rightward to seal the three-fork conduit 11, the worker closes the heat dissipation air pump 9 after the nitrogen in the air tank 3 is continuously conveyed into the heat exchange tank 10 along with the heat dissipation air pump 9 until the nitrogen in the air tank 3 completely enters the heat exchange tank 10, simultaneously, a vacuum suction elastic sheet 2602 is formed in the air box 3 and protrudes forwards, so that the volume of the installation cavity 2601 is increased, a hydraulic oil in the installation cavity 2601 drives the limiting block 2603 to move downwards, the limiting block 2603 and the handle 26 lose contact, at the moment, a worker continues to pull the handle 26 rightwards until the handle 26 cannot move rightwards any more, the through hole of the handle 26 coincides with the air inlet hole of the access door 25, external air enters the air box 3 through the through hole of the handle 26 and the air inlet hole of the access door 25, the air pressure in the air box 3 is consistent with the external air pressure, in the process, the elastic sheet 2602 gradually resets along with the gradual rising of the air pressure in the air box 3, and the limiting block 2603 is pushed to move upwards and reset by pressing the hydraulic oil in the installation cavity 2601, then the worker pulls the handle 26 to swing the access door 25, the air box 3 is opened by driving the access door 26 to overhaul the electrical elements.
After the maintenance of the staff is completed, the staff pushes the access door 25 and the handle 26 to reset, then the staff pushes the handle 26 leftwards until the left end of the handle 26 contacts the limiting block 2603, pushing of the handle 26 is stopped, the exhaust pump 34 is started, at the moment, the through holes of the handle 26 are not overlapped with the air inlet holes of the access door 25, the air in the air tank 3 is conveyed into the exhaust drum 35 through the exhaust pipe 33 along with the exhaust pump 34, the air in the exhaust drum 35 pushes the cleaning fork 36 forwards and simultaneously flows to the upper side face of the heat exchange tank 10 along the through groove of the exhaust drum 35, the spring between the cleaning fork 36 and the heat exchange tank 10 is compressed along with the forward movement of the cleaning fork 36 until the cleaning fork 36 stops moving when moving to the front end of the exhaust drum 35, the air in the exhaust drum 35 continuously blows to the upper side face of the heat exchange tank 10 through the through groove on the through which the air in the exhaust drum 35 is used for cooling nitrogen in the heat exchange tank 10, and dust on the upper side face of the heat exchange tank 10 is cleaned, and dust accumulated on the upper side face of the heat exchange tank 10 is prevented from causing the efficiency of heat exchange between the nitrogen in the heat exchange tank 10 and the air in the heat exchange tank 1 and the air in the shell 1 to be reduced.
When the gas in the gas tank 3 is completely discharged, vacuum is formed in the gas tank 3, the elastic sheet 2602 is controlled to protrude forwards, the elastic sheet 2602 moves downwards through the hydraulic oil transmission limiting block 2603 to release the limiting of the handle 26, at the moment, a worker turns off the gas pump 34 and pushes the handle 26 leftwards, at the moment, the cleaning fork 36 resets under the action of the adjacent spring, the handle 26 extrudes the closing column 28 to move leftwards, the spring between the closing column 28 and the closing cylinder 27 is compressed, the volume of the second cavity 2801 is increased, the telescopic end of the second telescopic rod 31 is controlled to shrink through hydraulic oil in the closing conduit 29, the blocking plate 32 is driven to move leftwards to release the blocking of the three-fork conduit 11, at the moment, high-pressure nitrogen in the heat exchange tank 10 flows to the gas tank 3 through the three-fork conduit 11 and the connecting shell 12, and the air pressure in the gas tank 3 is gradually increased to drive the elastic sheet 2602 to reset.
Example 3: on the basis of embodiment 2, as shown in fig. 11 and 12, the utility model also comprises a gas supply mechanism f arranged on the gas tank 3, wherein the gas supply mechanism f is used for keeping the concentration of nitrogen in the gas tank 3 when leakage occurs in the gas tank 3, the gas supply mechanism f comprises a protection box 37 with compressed nitrogen stored therein, the protection box 37 is fixedly connected at the rear part of the lower side of the gas tank 3, a gas injection column 3701 used for injecting nitrogen into the protection box 37 is fixedly connected and communicated with the right part of the front side of the protection box 37, a flow dividing piece 38 is fixedly connected and communicated with the left part of the lower side of the protection box 37, the flow dividing piece 38 consists of a rectangular plate and a circular tube, the front side in the circular tube of the flow dividing piece 38 is fixedly connected with a vibration piece 39, the vibration piece 39 is a disc which is missing, the rear side of the middle part of the circular tube of the flow dividing piece 38 is provided with a flow dividing through hole 40, the flow dividing through a conduit is communicated with the gas tank 3, the vibration piece 39 is positioned at the middle part of the flow dividing through hole 40 when nitrogen flows to the gas tank 3 through the flow dividing piece 38, when nitrogen passes through the vibration piece 39, the vibration piece 39 vibrates and sounds, so that nearby staff knows that the nitrogen in the air box 3 leaks, the rear part of the lower side of the air box 3 is fixedly connected and communicated with a detection cylinder 41 through a guide pipe, a sliding plate 42 and a damping block 43 are sequentially and slidably connected in the detection cylinder 41 from back to front, a spring is fixedly connected between the sliding plate 42 and the damping block 43, when the sliding plate 42 moves through the adjacent spring of the damping block 43 and damping between the damping block 43 and the detection cylinder 41, the damping block 43 cannot move at the same time, the nitrogen in the air box 3 is prevented from flowing into the heat exchange box 10 to cause false triggering of the damping block 43, the front side of the damping block 43 is fixedly connected with a blocking plate 44 through a bracket, the blocking plate 44 is slidably connected with the flow dividing piece 38 and is positioned in a rectangular plate of the flow dividing piece 38, the pressure of the nitrogen in the air box 3 is detected through the position of the damping block 43, when the nitrogen pressure in the gas tank 3 is insufficient, the nitrogen in the gas tank 3 is timely supplemented through the protection box 37, electric arcs are prevented from being generated in the gas tank 3 due to the fact that the concentration of the nitrogen in the gas tank 3 is too low, the electric arcs are generated in the working process of the electric elements, the flow dividing piece 38 is provided with a sealing assembly g for sealing the shell 1, and the gas tank 3 is provided with an anti-misoperation component h for preventing interference to the detection cylinder 41 during overhauling. As shown in fig. 11 and 13, the sealing assembly g includes a third telescopic rod 45, the third telescopic rod 45 is fixedly connected to the lower portion of the left side in the casing 1, the third telescopic rod 45 is communicated with the lower end of the circular tube of the shunt 38 through a conduit, the casing 1 is provided with a plurality of cooling holes 4601 distributed in a left-right mirror image mode, the plurality of cooling holes 4601 are L-shaped on the left side and the right side of the casing 1, a sealing element 46 is slidably connected in the casing 1, a limiting hemisphere 47 is fixedly connected on the left side and the right side of the sealing element 46, a spring is fixedly connected between the limiting hemisphere 47 and the sealing element 46, the elastic force of the adjacent spring of the limiting hemisphere 47 is equal to the pressure of nitrogen gas in the gas tank 3, the casing 1 is provided with a groove with the same shape as the groove of the energy storage plate 17, the groove of the casing 1 is in limit fit with the limiting hemisphere 47, the cooling holes 4601 are blocked by the sealing element 46, and nitrogen gas in the casing 1 is prevented from flowing to the outside through the cooling holes 4601.
As shown in fig. 12 and 14, the anti-false touch assembly h includes a piston 48, the piston 48 is slidably connected to the closed conduit 29, the position of the closed conduit 29 close to the detection cylinder 41 is in an inverted Z shape, the position of the air box 3 communicating with the detection cylinder 41 is slidably connected with an unlocking plate 49, the unlocking plate 49 is composed of a rectangular plate with a through hole at the front, an L-shaped frame and a connecting rod, the unlocking plate 49 is fixedly connected with the rear side of the piston 48 through the connecting rod, the connecting rod of the unlocking plate 49 passes through the closed conduit 29 and is slidably connected with the closed conduit 29, hydraulic oil in the closed conduit 29 drives the piston 48 to move, the communication state of the detection cylinder 41 and the air box 3 is controlled, and when a worker overhauls the air box 3, the protection box 37 is prevented from being erroneously triggered to enable compressed nitrogen in the protection box 37 to flow to the air box 3.
When the nitrogen in the air box 3 leaks, the air pressure in the air box 3 is reduced, the sliding plate 42 is pushed to move backwards, the adjacent springs of the sliding plate 42 are stretched, then the adjacent springs of the sliding plate 42 are reset to drive the damping block 43 to move backwards slowly, the damping block 43 drives the blocking plate 44 to move backwards to release the blocking of the flow dividing piece 38, at the moment, compressed nitrogen in the protection box 37 is divided into two parts, one part flows into the air box 3 through the flow dividing piece 38, the flow dividing through hole 40 and the adjacent guide pipe, the other part flows into the third telescopic rod 45 through the guide pipe, the telescopic end of the third telescopic rod 45 is pushed to extend, the sealing piece 46 is driven to move downwards, in the process, the sealing piece 46 drives the limiting hemisphere 47 to move downwards, the hemispherical surface of the limiting hemisphere 47 is extruded along the groove of the shell 1, the limiting hemisphere 47 moves inwards of the shell 1, the springs between the limiting hemisphere 47 and the sealing piece 46 are compressed, and as the sealing piece 46 moves downwards, the adjacent heat dissipation holes 4601 are blocked, and when the nitrogen in the air box 3 is prevented from leaking into the shell 1, the nitrogen in the shell 1 leaks into the protection box 37 through the heat dissipation holes 4601, and the nitrogen in the protection box is prevented from moving towards the outside.
Along with the nitrogen in the protection box 37 flows to the diversion through hole 40 along the diversion piece 38, when the nitrogen in the diversion piece 38 passes through the vibration piece 39, the nitrogen flows to enable the vibration piece 39 to vibrate and make sound, at the moment, an external worker can know that the nitrogen in the switch cabinet leaks after hearing the sound, then the worker arrives at the switch cabinet with the leakage and plugs the leakage, then the worker opens the wiring door 2, the sealing piece 46 is pushed upwards, the sealing piece 46 drives the limiting hemisphere 47 to be in contact with the adjacent groove of the shell 1 again and reset under the action of the adjacent spring, in the process, the sealing piece 46 pushes the telescopic end of the third telescopic rod 45 to shrink, the nitrogen in the third telescopic rod 45 is extruded to flow to the air box 3 through the guide pipe, then the worker injects compressed nitrogen into the protection box 37 through the gas injection column 3701, meanwhile, the nitrogen in the protection box 37 continuously flows to the air box 3 until the air pressure in the air box 3 is restored to the initial state, at the moment, the sliding plate 42 moves forwards to reset under the action of the air pressure, the damping block 43 is reset through the spring, then the worker continues to charge the air box 37 to a certain volume, and the nitrogen is stopped to be conveyed, and then the wiring door 2 is reset.
When a worker overhauls the switch cabinet, the volume in the second cavity 2801 is reduced, hydraulic oil is conveyed to the second telescopic rod 31 through the closed conduit 29, in the process, the hydraulic oil in the closed conduit 29 drives the piston 48 to move forward, the piston 48 drives the unlocking plate 49 to move forward to block the conduit communicated with the air tank 3 and the detection cylinder 41, and when overhauling is prevented, the air pressure in the air tank 3 is reduced to cause false triggering of the protection box 37.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A quick ventilation type gas-insulated switchgear characterized in that: including shell (1), the lateral wall of shell (1) articulates there is junction gate (2), shell (1) rigid coupling has inside to deposit insulating gas's gas tank (3), gas tank (3) are kept away from one side of junction gate (2) is provided with and passes mirror image and equidistant busbar insulator (4) of distribution of shell (1), gas tank (3) are close to one side of junction gate (2) is provided with three station operating mechanism (5) and circuit breaker operating mechanism (6), gas tank (3) are close to one side of junction gate (2) is provided with equidistant wire insulator (7), gas tank (3) intercommunication has heat dissipation pipe (8), heat dissipation air pump (9) are installed to heat dissipation pipe (8), one side rigid coupling that shell (1) kept away from gas tank (3) has heat exchange box (10), one end that gas tank (3) were kept away from heat exchange box (10) are linked together, heat exchange box (10) are close to one side of junction gate (2) is provided with equidistant wire insulator (7) that is close to one side of junction gate (3) is connected with three-way (11) that the mirror image of being connected fixedly connected with gas tank (3), a swinging component (b) is arranged between the three-branch guide pipe (11) and the connecting shell (12), and the heat exchange box (10) is provided with a heat dissipation mechanism (a) for cooling the air box (3) when the temperature in the air box is rapidly increased.
2. A quick-ventilation gas-insulated switchgear as claimed in claim 1, wherein: the heat dissipation mechanism (a) comprises equidistant heat conducting fins (1201), the equidistant heat conducting fins (1201) are fixedly connected to the heat exchange box (10), a through hole is formed in one side, close to the three-way guide pipe (11), of the heat exchange box (10), an elastic pad (13) and a collecting shell (14) are fixedly connected to the through hole of the heat exchange box (10), the elastic pad (13), the collecting shell (14) and the heat exchange box (10) are matched to form a first cavity (1401), the heat exchange box (10) is fixedly connected with an energy storage shell (15) communicated with the three-way guide pipe (11), the energy storage shell (15) is fixedly connected with a first telescopic rod (16), the first telescopic rod (16) is communicated with the first cavity (1401) through the guide pipe, an energy storage plate (17) is connected in a sliding mode, the telescopic end of the first telescopic rod (16) penetrates through the energy storage shell (15) and is fixedly connected with the energy storage plate (17), the energy storage plate (17) is fixedly connected with the energy storage plate (18), a mirror image plate (18) is fixedly connected with the energy storage plate (17), a swing column (19) is fixedly connected with the swing column (19), a swing column (19) is fixedly connected with the swing column (18), and the swing column (19) is fixedly connected with the swing column (18), the first cavity (1401) and the conduit communicated with the first telescopic rod (16) are internally provided with hydraulic oil.
3. A quick-ventilation gas-insulated switchgear as claimed in claim 2, wherein: swing subassembly (b) including mirror image distribution's outer flabellum (20), mirror image distribution outer flabellum (20) all rotate connect in three bifurcated pipe (11), outer flabellum (20) rigid coupling has interior flabellum (21), connection shell (12) rotate and are connected with drive flabellum (22), drive flabellum (22) rigid coupling has lacks gear (23), air box (3) are close to one side rotation of connection shell (12) is connected with mirror image distribution's aviation baffle (24), aviation baffle (24) with the rigid coupling has the torsional spring between air box (3), aviation baffle (24) are close to adjacent lack gear (23) one end be provided with lack gear (23) complex gear.
4. A quick-ventilation gas-insulated switchgear as claimed in claim 3, wherein: the air collection device is characterized by further comprising an air collection mechanism (c) arranged on the shell (1), wherein the air collection mechanism (c) is used for collecting insulating air in the air box (3) before a worker overhauls the air box, the air collection mechanism (c) comprises an access door (25), the access door (25) is hinged to one side, away from the wiring door (2), of the shell (1), the access door (25) is slidably connected with a handle (26), an air inlet hole is formed in the position, close to the handle (26), of the access door (25), the handle (26) is provided with a through hole, a sealing cylinder (27) is fixedly connected with the shell (1), a sealing column (28) is slidably connected between the sealing cylinder and the sealing cylinder, a spring is fixedly connected between the sealing column (28) and the sealing cylinder (27), the second cavity (2801) is fixedly connected and communicated with a sealing conduit (29), hydraulic oil is slidably connected with the second cavity (2801) and the sealing conduit (29), a telescopic rod (31) is fixedly connected with the sealing cylinder (30) and is fixedly connected with the second telescopic rod (31), the utility model discloses a heat-conducting strip, including sealed shell (30), sealed shell (30) sliding connection has sealed board (32), the flexible end of second telescopic link (31) pass sealed shell (30) and with sealed board (32) rigid coupling, shell (1) are provided with and are used for right spacing subassembly (d) of handle (26), gas tank (3) are provided with and are used for the clearance subassembly (e) of conducting strip (1201).
5. A quick-venting gas-insulated switchgear as claimed in claim 4, wherein: the limiting component (d) comprises an elastic sheet (2602), the elastic sheet (2602) is fixedly connected to one side, close to the handle (26), of the housing (1), the elastic sheet (2602) is matched with the housing (1) to form a mounting cavity (2601), hydraulic oil is stored in the mounting cavity (2601), a limiting block (2603) is connected in the mounting cavity (2601) in a sliding mode, and the limiting block (2603) is matched with the handle (26).
6. A quick-ventilation gas-insulated switchgear as claimed in claim 3, wherein: the cleaning assembly (e) comprises an exhaust duct (33), the exhaust duct (33) is communicated with one side, close to the heat exchange box (10), of the air box (3), an exhaust pump (34) is installed on the exhaust duct (33), one side, close to the air box (3), of the heat exchange box (10) is fixedly connected with an exhaust drum (35) communicated with the exhaust duct (33), the exhaust drum (35) is provided with a through groove, cleaning forks (36) are connected in the through groove of the exhaust drum (35) in a sliding manner, the cleaning forks (36) are contacted with equidistant heat conducting fins (1201), and springs are fixedly connected between the cleaning forks (36) and the heat exchange box (10).
7. A quick-venting gas-insulated switchgear as claimed in claim 6, wherein: the air supply mechanism (f) is used for keeping the concentration of insulating air in the air box (3) when the air box (3) leaks, the air supply mechanism (f) comprises a protection box (37), the protection box (37) is fixedly connected to one side, close to the heat exchange box (10), of the air box (3), the protection box (37) is fixedly connected and communicated with an air injection column (3701), the protection box (37) is fixedly connected and communicated with a flow dividing piece (38), the flow dividing piece (38) is provided with a flow dividing through hole (40), the flow dividing through hole (40) is communicated with the air box (3) through a guide pipe, the air box (3) is fixedly connected and communicated with a detection cylinder (41) through the guide pipe, a sliding plate (42) and a damping block (43) are connected in a sliding mode, a spring is fixedly connected between the sliding plate (42) and the damping block (43), the damping block (43) is fixedly connected with a plate (44), the flow dividing plate (44) is fixedly connected with the flow dividing piece (38) and is used for sealing a sealing component (38), the air box (3) is provided with an anti-false touch assembly (h) which prevents interference to the detection cylinder (41) during maintenance.
8. A quick-venting gas-insulated switchgear as claimed in claim 7, wherein: a vibration sheet (39) is fixedly connected in the flow dividing piece (38), and the vibration sheet (39) can vibrate when being blown by gas.
9. A quick-venting gas-insulated switchgear as claimed in claim 7, wherein: the sealing assembly (g) comprises a third telescopic rod (45), the third telescopic rod (45) is fixedly connected with the shell (1), the third telescopic rod (45) is communicated with the flow dividing member (38) through a guide pipe, the shell (1) is provided with a radiating hole (4601) distributed in a mirror image mode, the shell (1) is close to one side of the radiating hole (4601) and is connected with a sealing piece (46) in a sliding mode, the sealing piece (46) is fixedly connected with a limiting hemisphere (47) distributed in a mirror image mode, a spring is fixedly connected between the limiting hemisphere (47) and the sealing piece (46), and the shell (1) is provided with a groove in limit fit with the limiting hemisphere (47).
10. A quick-venting gas-insulated switchgear as claimed in claim 7, wherein: the anti-misoperation component (h) comprises a piston (48), the piston (48) is connected with the closed conduit (29) in a sliding mode, an unlocking plate (49) is connected with the position, communicated with the detection cylinder (41), of the air box (3) in a sliding mode, the unlocking plate (49) is fixedly connected with the piston (48), and the unlocking plate (49) is connected with the closed conduit (29) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311478319.0A CN117200058B (en) | 2023-11-08 | 2023-11-08 | Quick ventilation type gas-insulated switchgear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311478319.0A CN117200058B (en) | 2023-11-08 | 2023-11-08 | Quick ventilation type gas-insulated switchgear |
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| CN117200058B CN117200058B (en) | 2024-02-06 |
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| CN115313219A (en) * | 2022-09-14 | 2022-11-08 | 曾庆彬 | Electrical control cabinet with ventilation and heat dissipation functions |
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| US20150216078A1 (en) * | 2012-07-11 | 2015-07-30 | Abb Ab | Electrical Room Of An Industrial Equipment Such As A Container Crane, The Electrical Room Comprising A Cooling Device |
| JP2019057630A (en) * | 2017-09-21 | 2019-04-11 | 東芝産業機器システム株式会社 | Connection structure for gas insulation electric apparatus and gas insulation electric apparatus |
| CN208508334U (en) * | 2018-08-08 | 2019-02-15 | 安徽一原电气有限公司 | A kind of intelligent low-pressure energy-saving control cabinet |
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