CN102110954B - High-capacity upper and lower isolated solid switch cabinet - Google Patents
High-capacity upper and lower isolated solid switch cabinet Download PDFInfo
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- CN102110954B CN102110954B CN201010588271A CN201010588271A CN102110954B CN 102110954 B CN102110954 B CN 102110954B CN 201010588271 A CN201010588271 A CN 201010588271A CN 201010588271 A CN201010588271 A CN 201010588271A CN 102110954 B CN102110954 B CN 102110954B
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Abstract
The invention discloses a high-capacity upper and lower isolated solid switch cabinet, and belongs to switch equipment of an alternating current distribution network. The high-capacity upper and lower isolated solid switch cabinet comprises at least one unit cabinet, and each unit cabinet comprises a three-phase high-voltage vacuum switch unit, an upper isolated switch unit, a lower isolated switch unit, a lower grounding switch unit, a bus bushing, a wire inlet and outlet bushing and an operation mechanism. The vacuum switch unit is arranged inside an insulating barrel, and the insulating barrel consists of an upper isolating cover, a lower isolating cover and an insulating cover. The upper and lower isolating covers are made of a polycarbonate material, and the insulating cover is made of an epoxy resin material; an upper isolating blade, a lower isolating blade and a lower grounding blade are arranged inside the upper and lower isolating covers respectively; the bus bushing and the wire inlet and outlet bushing are arranged at the upper and lower ends of the insulating barrel respectively; and the operation mechanism is arranged on the external side of a supporting plate on the uncovered surface of the insulating barrel. By placing electrical equipment of the switch cabinet inside the insulating barrel made of the solid insulating material and adopting a unit cabinet structural style, the switch cabinet is non-toxic and harmless, has a small volume, is convenient to install, is safe in use, saves the resources and prolongs the service life.
Description
Technical field
The present invention relates to the switchgear of ac distribution network, refer to that especially a kind of big capacity isolates the solid switch cabinet up and down.
Background technology
In the prior art, be used to have gas isolated ring main unit, adopt gas that high-pressure vacuum switch is sealed insulation; Because the gas SF6 that adopts has greenhouse effect carrying out having toxicity behind the arc extinguishing, and be prone to leak.And air insulation unit switch cabinet electrified body is exposed, receives the erosion of air, dust, is prone to cause the corrosion of electrified body, has reduced the grade of insulation, very easily cause human casualty accident, and volume is very big, and inconvenience is installed, and causes the very big wasting of resources.
Summary of the invention
The object of the present invention is to provide a kind of big capacity to isolate the solid switch cabinet up and down, its nontoxic volume is little, easy for installation safe in utilization, economize on resources and prolonged useful life.
To achieve these goals; Technical solution of the present invention is: a kind of big capacity is isolated the solid switch cabinet up and down; Comprise at least one unit cabinet; Each said unit cabinet comprises three-phase high-voltage vacuum switch unit, upper and lower Disconnecting switch unit, earthed switch unit, three bus casings, three turnover thread casings and operating mechanism down; Wherein every mutually said high-pressure vacuum switch unit is sealed in the insulation bucket, and the cuboid bucket that said insulation bucket is made up of upper and lower cage and insulating cover is equipped with supporting bracket on the open face of said insulation bucket; Said upper and lower cage is installed on the upper and lower end of said insulating cover respectively; Said insulating cover is processed by epoxide resin material, and said upper and lower insulating cover is processed by makrolon material, and the lower end of insulating cover was respectively arranged with a bus casing and a turnover thread casing under said upper end of going up insulating cover reached; Said going up between insulating cover and the bus casing is provided with the copper bar pressing plate successively from top to bottom and is connected copper bar; Said turnover thread casing inner chamber upper end is equipped with sleeve pipe T shape contact, and said operating mechanism is arranged at the outside of insulation bucket and links to each other with the insulation bucket through supporting bracket, and said upper and lower Disconnecting switch unit is made up of three upper and lower isolation blades and a upper and lower isolation transmission mechanism respectively; Said earthed switch unit down is made up of three following ground connection blades and a following ground connection transmission mechanism, and the ground connection blade all was arranged in the insulation bucket under said upper and lower isolation blade reached.
The big capacity of the present invention is isolated the solid switch cabinet up and down, and wherein said insulating cover is the cover body that is made up of rectangular female cap and square tubular vacuum bubbles cover one, and said lid is made up of first latch of giving prominence in cover plate and one week of cover forward end; The surface of said cover plate is provided with several inserts screwed holes, and the upper and lower end face of said cover plate is respectively equipped with an inserts screwed hole, and said cover forward end face middle part is provided with a rectangle convexity; Said vacuum bubbles cover is vertically installed in the front of said convexity, and said convexity is provided with groove, installs on the said groove and isolates T shape contact; Said groove communicates with the rear end face of said vacuum bubbles cover; Said vacuum bubbles cover surface of internal cavity is provided with screen, and the inner chamber middle part of said vacuum bubbles cover is provided with annular boss, be positioned at said annular boss place the vacuum bubbles cover below be provided with two embedded screwed holes; The bottom surface that is positioned at the vacuum bubbles cover of said annular boss front is provided with the rectangle hole that is flexible coupling; Placed the soft copper band on the said hole that is flexible coupling, be fixed with T shape contact below the said soft copper band, end is respectively equipped with one second latch about the above and below of said vacuum bubbles cover; Said second latch and said first latch link into an integrated entity; The front end face left and right sides of said vacuum bubbles cover is respectively equipped with a seal groove, respectively is provided with an inserts screwed hole in the said seal groove, and the wall of said vacuum bubbles cover is provided with several inserts screwed holes; The back centre of surface of said cover plate is provided with a dome, and the surface is respectively equipped with a square concave surface about said vacuum bubbles cover.
The big capacity of the present invention is isolated the solid switch cabinet up and down; The wherein said cage of going up is that following, the left side and the right side are uncovered cuboid cover body; The rectangular recess that connects copper bar is placed to having one in the said cage top of going up; The angle of said rectangular recess is an arc transition; The said lower left quarter angle of going up forward and backward of cage is an arc transition, and said rectangular recess intracavity bottom evenly is provided with three round recesseds downwards along the horizontal direction at rectangular recess center, is provided with a slot between two the said round recesseds in the left side; It is the conduit of U-shaped that said rectangular recess outer circumference is arranged with a circle longitudinal section; Said conduit outer rim is provided with several second embedded screwed holes, and the last cage upper surface that is positioned at the said second embedded screwed hole left part is provided with two inserts screwed holes, and the last cage upper surface that is positioned at said rectangular recess right part is provided with two inserts screwed holes; Said upward left and right end of cage and forward and backward bottom are provided with flange; Be positioned at the said flange of going up the cage front bottom and be provided with second slide groove, be positioned at the said flange of going up bottom, cage back and be provided with the 3rd slide groove, the preceding cell wall height of said second slide groove is greater than back cell wall height, and the preceding cell wall height of said the 3rd slide groove is less than back cell wall height; The said right part flange height of going up cage is greater than the left part flange height; Be positioned at the said flange of going up the left end of cage and be provided with a circle first slide groove, be positioned at the said flange of going up the right-hand member of cage and be provided with a circle second seal groove, said first slide groove is plugged on the first latch top of said insulating cover, is provided with several inserts screwed holes in said second seal groove; On between said first slide groove and said conduit in the cage top of chamber be provided with a long chute; Be provided with several reinforcements in the said long chute of going up cage, said going up on forward and backward of the cage is respectively equipped with a circle reinforcement, said on the bottom of forward and backward of cage be respectively equipped with three slotted holes.
The big capacity of the present invention is isolated the solid switch cabinet up and down; Wherein said down cage is that top, the left side and the right side are uncovered cuboid cover body; The upper left quarter angle that said cage down is forward and backward is an arc transition, and said cage bottom surface down is prismatic to having a rectangle, and the upper surface of said prismatic wall is provided with several degree of depth grooves; Said prismatic middle part is provided with cylindrical channel; Said prismatic bottom surface is provided with several inserts screwed holes, and said following cage bottom surface is provided with four inserts screwed holes, and the top that the left and right end of said cage down and following cage are forward and backward is provided with second flange; Be respectively equipped with three slotted holes on the front and back walls of said second flange; Be positioned at said second flange of cage left end down and be provided with the 4th slide groove, be positioned at said second flange of cage right-hand member down and be provided with the 3rd seal groove, said the 4th slide groove is plugged on the bottom of first latch of said insulating cover; Be provided with several inserts screwed holes in said the 3rd seal groove; Said the 3rd seal groove and said second seal groove of going up cage are spirally connected fixing through bolt, be positioned at said second flange on top, cage front down and be provided with the 5th slide groove, and second flange that is positioned at top, said cage back down is provided with the 6th slide groove; The preceding cell wall height of said the 5th slide groove is greater than back cell wall height; The preceding cell wall height of said the 6th slide groove is provided with several reinforcements less than back cell wall height between said prismatic left lateral sides and the following cage bottom surface, and the following cage inner chamber bottom surface that is positioned at said prismatic right side is provided with several reinforcements; Be respectively equipped with a circle reinforcement on forward and backward of the said down cage, the following cage inner chamber bottom surface that is positioned at said the 4th slide groove right side is provided with several reinforcements.
The big capacity of the present invention is isolated the solid switch cabinet up and down; Wherein every mutually said high-pressure vacuum switch unit comprises insulated tension pole, spline shaft, spline connecting lever, connects connecting lever and vacuum interrupter; The stationary contact of said vacuum interrupter is connected with last isolation T shape contact through bolt, and said vacuum interrupter is enclosed in the insulating cover admittedly, and the movable contact head end of said vacuum interrupter is connected with an end of soft copper band and an end of insulated tension pole through bolt; The other end of said insulated tension pole is with to be connected connecting lever hinged; One end of the other end of said connection connecting lever and spline connecting lever is hinged, and vertical connection of an end of the other end of said spline connecting lever and spline shaft, said spline shaft is fixed on the splined shaft bracing frame; Said spline shaft is connected with operating mechanism, spline shaft of the said high-pressure vacuum switch units shared of three-phase.
The big capacity of the present invention is isolated the solid switch cabinet up and down; Wherein said go up to isolate transmission mechanism comprise three second connecting levers, three go up isolate pull bar, on isolate power transmission shaft, first and second bevel gear and last isolated operation axle; Each said two ends that isolate pull bar of going up is hinged with an end and the said middle part that isolates blade of going up of one second connecting lever respectively; The said upper end that go up to isolate blade with embed that to go up the T shape contact that said on the cage inner chamber be connected copper bar hinged; The other end of three said second connecting levers all with last vertical connection of isolation power transmission shaft; The said isolation power transmission shaft of going up is fixed on the isolation power transmission shaft supporting seat, and said going up on the isolation power transmission shaft installed first bevel gear, and said first bevel gear and second bevel gear mesh; Install an end of isolated operation axle on said second bevel gear, the said other end of going up the isolated operation axle is connected with said operating mechanism.
The big capacity of the present invention is isolated the solid switch cabinet up and down; Wherein said down isolation transmission mechanism comprises three the 3rd connecting levers, three following isolation pull bars, isolates power transmission shaft, third and fourth bevel gear and isolated operation axle down down; The two ends of each said down isolation pull bar are hinged with the said middle part that isolates blade down of an end of one the 3rd connecting lever and respectively; The upper end of the said blade of isolation down is hinged with the T shape contact that the said soft copper band that is embedded in the insulating cover bottom is fixed; The other end of three said the 3rd connecting levers all with isolate down that power transmission shaft is vertical to be connected; The said power transmission shaft of isolating down is fixed on down on the isolation power transmission shaft supporting seat, and said the isolation down installed the third hand tap gear on the power transmission shaft, said third hand tap gear and the engagement of the 4th bevel gear; Said the 4th bevel gear goes up installs an end of isolated operation axle down, and the said other end of isolated operation axle down is connected with said operating mechanism.
The big capacity of the present invention is isolated the solid switch cabinet up and down; Wherein said ground connection transmission mechanism down comprises three the 4th connecting levers, three following ground insulation pull bars, following ground connection power transmission shaft, the 5th, six bevel gears, following ground connection operating axis and ground connection T shape contacts; The two ends of each said down ground insulation pull bar are hinged with the middle part of an end of one the 4th connecting lever and a said ground connection blade down respectively; Said ground connection T shape contact is embedded in the bottom of insulating cover; Upper end and the ground connection T shape contact of said down ground connection blade are hinged, the other end of three said the 4th connecting levers all with following vertical connection of ground connection power transmission shaft, said time the ground connection power transmission shaft is fixed on down on the ground connection power transmission shaft supporting seat; On the said ground connection power transmission shaft down the 5th bevel gear is installed; Said the 5th bevel gear and the engagement of the 6th bevel gear, said the 6th bevel gear are gone up an end of ground connection operating axis down are installed, and the said other end of ground connection operating axis down is connected with said operating mechanism.
The big capacity of the present invention is isolated the solid switch cabinet up and down, and wherein each said bus casing is straight tube or L shaped bend pipe, and each said turnover thread casing is straight tube or L shaped bend pipe.
The big capacity of the present invention is isolated the solid switch cabinet up and down, and the rated operational voltage of wherein said switch cubicle is 10KV, and rated operational current is 1250A, and the specified short circuit current that cut-offs is 31.5KA.
After adopting such scheme, the big capacity of the present invention is isolated the solid switch cabinet up and down and is adopted cellular structure, and each unit three-phase is a loop; Thereby the realization modular construction, scheme combination is flexible, diversified, and the loop Installation and Debugging are convenient; Adopt totally-enclosed solid encapsulation high-pressure vacuum switch unit, can not produce creepage phenomenon, thereby improved the grade of insulation; On fail safe and energy savings performance, significant effect is arranged, owing to completely cut off air, aqueous vapor, dust and cold and hot source of the gas, the corrosion that has slowed down power source body effectively; Stablized the output of supply voltage; The maintenance times of minimizing equipment reduces expense cost, has prolonged the useful life of this solid insulation switch cabinet.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described further.
Fig. 1 is the main TV structure cutaway view (separating brake position) that the big capacity of the present invention is isolated the solid switch cabinet up and down;
Fig. 2 is the right TV structure sketch map that the big capacity of the present invention is isolated the solid switch cabinet up and down;
Fig. 3 is the plan structure sketch map that the big capacity of the present invention is isolated the solid switch cabinet up and down;
Fig. 4 is the main TV structure sketch map of the big capacity of the present invention insulating cover of isolating the solid switch cabinet up and down;
Fig. 5 is that the D-D of Fig. 4 is to cross-sectional schematic;
Fig. 6 is that the E-E of Fig. 5 is to cross-sectional schematic;
Fig. 7 is that the F-F of Fig. 5 is to cross-sectional schematic;
Fig. 8 is that the G-G of Fig. 5 is to cross-sectional schematic;
Fig. 9 is the right TV structure sketch map of the big capacity of the present invention insulating cover of isolating the solid switch cabinet up and down;
Figure 10 is that the H-H of Fig. 9 is to cross-sectional schematic;
Figure 11 is that the master that the big capacity of the present invention is isolated the last cage of solid switch cabinet up and down looks generalized section;
Figure 12 is the backsight structural representation that the big capacity of the present invention is isolated the last cage of solid switch cabinet up and down;
Figure 13 is the left TV structure sketch map of the big capacity of the present invention last cage of isolating the solid switch cabinet up and down;
Figure 14 is the right TV structure sketch map of the big capacity of the present invention last cage of isolating the solid switch cabinet up and down;
Figure 15 is the plan structure sketch map that the big capacity of the present invention is isolated the last cage of solid switch cabinet up and down;
Figure 16 is that the A-A of Figure 11 is to the sectional structure sketch map;
Figure 17 is that the B-B of Figure 11 is to the sectional structure sketch map;
Figure 18 is that the C-C of Figure 15 is to the sectional structure sketch map;
The big capacity of Figure 19 the present invention is isolated the main TV structure sketch map of the following cage of solid switch cabinet up and down;
The big capacity of Figure 20 the present invention is isolated the right TV structure sketch map of the following cage of solid switch cabinet up and down;
The big capacity of Figure 21 the present invention is isolated the plan structure sketch map of the following cage of solid switch cabinet up and down;
The big capacity of Figure 22 the present invention isolate up and down the solid switch cabinet following cage look up structural representation;
Figure 23 is that the I-I of Figure 21 is to the sectional structure sketch map;
Figure 24 is that the J-J of Figure 22 is to the sectional structure sketch map;
Figure 25 is that the K of Figure 19 is to the partial structurtes sketch map.
Embodiment
Extremely shown in Figure 3 like Fig. 1; The big capacity of the present invention is isolated the solid switch cabinet up and down and is comprised at least one unit cabinet; Each unit cabinet comprises three-phase high-voltage vacuum switch unit 1, goes up Disconnecting switch unit 2, Disconnecting switch unit 3, earthed switch unit 4, three bus casings 5, three turnover thread casings 6 and operating mechanisms 7 down down; The rated operational voltage of this switch cubicle is 10KV, and rated operational current is 1250A, and the specified short circuit current that cut-offs is 31.5KA; Every phase high-pressure vacuum switch unit 1 is sealed in the insulation bucket 8, and insulation bucket 8 is by last cage 9, the cuboid bucket formed of cage 10 and insulating cover 11 down; On the insulation bucket 8 right-hand member open face supporting bracket 20 is installed; Last cage 9 and following cage 10 are installed on the upper and lower end of insulating cover 11 respectively, and insulating cover 8 is processed by epoxide resin material, and last insulating cover 9 and following insulating cover 10 are to be processed by makrolon material; In the upper end of last cage 9 and the lower end of following cage a bus casing 5 and a turnover thread casing 6 are installed respectively; Bus casing 5 can be straight tube or L shaped bend pipe, is provided with copper bar pressing plate 40 from top to bottom successively and is connected copper bar 30 between bus casing 5 and the last cage 9, and the inner chamber upper end of turnover thread casing 6 is equipped with sleeve pipe T shape contact 50; When bus casing 5 is straight tube with turnover thread casing 6; Into and out of lead can for go out under enterprising or under go out mode on advancing, when bus casing 5 is L shaped bend pipe with turnover thread casing 6, into and out of lead can for go out after advancing or laggard before go out mode; Go out mode under enterprising among the figure, operating mechanism 7 is arranged at the outside of insulation bucket 8 and links to each other with insulation bucket 8 through supporting bracket 20;
To shown in Figure 10, insulating cover 11 is to overlap 112 one by rectangular female cap 111 with square tubular vacuum bubbles to constitute in conjunction with Fig. 4, and lid 111 is made up of cover plate 1111 and cover plate 1111 front ends one all first outstanding latches 1112; The surface of cover plate 1111 is provided with several inserts screwed holes; The upper and lower end face of cover plate 1111 is respectively equipped with an inserts screwed hole, and cover plate 1111 front end faces middle part is provided with a rectangle convexity 1113, and vacuum bubbles cover 112 is vertically installed in protruding 1113 front; Protruding 1113 are provided with groove 1114; Install on the groove 1114 and isolate T shape contact 18, groove 1114 communicates with the rear end face of vacuum bubbles cover 112, and vacuum bubbles is overlapped 112 surface of internal cavity and is provided with screen 1121; The inner chamber middle part of vacuum bubbles cover 112 is provided with annular boss 1122; Be positioned at annular boss 1122 places vacuum bubbles cover 112 below be provided with two embedded screwed holes, the bottom surface that is positioned at the vacuum bubbles cover 112 of annular boss 1122 fronts is provided with the rectangle hole 1123 that is flexible coupling, and has placed soft copper band 16 on the hole 1123 that is flexible coupling; Be fixed with T shape contact 161 below the soft copper band 16; End is respectively equipped with one second latch, 1125, the second latches 1125 with first latch 1112 links into an integrated entity about the above and below of vacuum bubbles cover 112, and vacuum bubbles is overlapped 112 the front end face left and right sides and is respectively equipped with a seal groove 1126; Respectively be provided with an inserts screwed hole in the seal groove 1126; The wall of vacuum bubbles cover 112 is provided with several inserts screwed holes, and the back centre of surface of cover plate 1111 is provided with a dome 1116, and the surface is respectively equipped with a square concave surface 1117 about the vacuum bubbles cover.
Extremely shown in Figure 180 in conjunction with Figure 11; Last cage 9 is uncovered cuboid cover for following, the left side and the right side, and last cage top is to having a rectangular recess 91, and the angle of rectangular recess 91 is an arc transition; The lower left quarter angle that last cage is 9 forward and backward is an arc transition; Be provided with connection copper bar 97 in the rectangular recess 91, rectangular recess 91 intracavity bottoms evenly are provided with three round recesseds 911 downwards along the horizontal direction at rectangular recess 91 centers, are provided with a slot 912 between two round recesseds 911 in the left side; Rectangular recess 91 outer circumference are arranged with the conduit 913 that a circle longitudinal section is a U-shaped; Conduit 913 outer rims are provided with several second embedded screwed holes, and last cage 9 upper surfaces that are positioned at the second embedded screwed hole left part are provided with two inserts screwed holes, and last cage 9 upper surfaces that are positioned at rectangular recess 91 right parts are provided with two inserts screwed holes; The left and right end of last cage 9 and forward and backward bottom are provided with flange 92; The flange that is positioned at cage 9 front bottom is provided with second slide groove 921, is positioned at preceding cell wall height that the flange of bottom, cage 9 back is provided with the 3rd slide groove 922, the second slide grooves 921 greater than back cell wall height; The preceding cell wall height of the 3rd slide groove 922 is less than back cell wall height; The right part flange height of last cage 9 is greater than the left part flange height, and the flange that is positioned at the left end of cage 9 is provided with a circle first slide groove 93, and the flange that is positioned at the right-hand member of cage 9 is provided with a circle second seal groove 94; First slide groove 93 is plugged on first latch, 1112 tops of insulating cover 11; Be provided with several inserts screwed holes in second seal groove 94, between first slide groove 93 and conduit 913 in the cage 9 top of chamber be provided with a long chute 95, be provided with several reinforcements in the long chute 95 of last cage 9; Be respectively equipped with a circle reinforcement on 9 forward and backward of the last cages, the bottom that last cage is 9 forward and backward is respectively equipped with three slotted holes 96;
Extremely shown in Figure 25 in conjunction with Figure 19; Following cage 10 is uncovered cuboid cover for top, the left side and the right side; The upper left quarter angle that following cage is 10 forward and backward is an arc transition, and following cage 10 bottom surfaces are to having rectangle prism 101, and the upper surface of prismatic 101 walls is provided with several degree of depth grooves 1011; Prismatic 101 middle parts are provided with cylindrical channel 1012; Prismatic 101 bottom surfaces are provided with several inserts screwed holes, and following cage 10 bottom surfaces are provided with four inserts screwed holes, and the top that the left and right end of following cage 10 and following cage are 10 forward and backward is provided with second flange 102; Be respectively equipped with three slotted holes 1021 on the front and back walls of second flange 102; Be positioned at down that second flange 102 of cage 10 left ends is provided with the 4th slide groove 1022, be positioned at second flange 102 of cage 10 right-hand members down and be provided with the 3rd seal groove 1023, the four slide grooves 1022 and be plugged on the bottom of first latch 1112 of insulating cover 11; Be provided with several inserts screwed holes in the 3rd seal groove 1023; Second seal groove 94 of the 3rd seal groove 1023 and last cage is spirally connected fixing through bolt, second flange 102 on top, cage 10 front is provided with the 5th slide groove 1024 under being positioned at, and being positioned at down, second flange 102 on top, cage 10 back is provided with the 6th slide groove 1025; The preceding cell wall height of the 5th slide groove 1024 is greater than back cell wall height; The preceding cell wall height of the 6th slide groove 1025 is provided with several reinforcements less than back cell wall height between prismatic 101 left lateral sides and following cage 10 bottom surfaces, and the following cage 10 inner chamber bottom surfaces that are positioned at prismatic 101 right sides are provided with several reinforcements; Be respectively equipped with a circle reinforcement on 10 forward and backward of the following cages, the following cage 10 inner chamber bottom surfaces that are positioned at the 4th slide groove 1022 right sides are provided with several reinforcements.
Every phase high-pressure vacuum switch unit 1 comprises insulated tension pole 12, spline shaft 13, spline connecting lever 14, connects connecting lever 15 and vacuum interrupter 17; The stationary contact of vacuum interrupter 17 is connected with last isolation T shape contact 18 through bolt; Vacuum interrupter 17 is enclosed in the insulating cover 11 admittedly; The movable contact head end of vacuum interrupter 17 is connected with an end of soft copper band 16 and an end of insulated tension pole 12 through bolt, and the other end of insulated tension pole 12 is with to be connected connecting lever 15 hinged, other of connection connecting lever 15
One end of one end and spline connecting lever 14 is hinged; The vertical connection of one end of the other end of spline connecting lever 14 and spline shaft 13; Spline shaft 13 is fixed on the splined shaft bracing frame; Spline shaft 13 is connected with operating mechanism 7, and three-phase high-voltage vacuum switch unit 1 has a spline shaft 13, the shared spline shaft 13 of three-phase high-voltage vacuum switch unit;
Last Disconnecting switch unit 2 is made up of three last isolation blades 21 and the last transmission mechanism 22 of isolating; Going up isolation blade 21 for three all is arranged in the insulation bucket 8; Last isolation transmission mechanism 22 comprise three second connecting levers 221, three go up isolate pull bar 222, on isolate power transmission shaft 223, first bevel gear 224, second bevel gear 225 and last isolated operation axle 226; The two ends that isolate pull bar 222 on each are hinged with an end and a middle part of going up isolation blade 21 of one second connecting lever 221 respectively; The upper end of last isolation blade 21 is hinged with the T shape contact that is connected copper bar 30 that cage 9 inner chambers upper end is gone up in embedding; The other end of three second connecting levers 221 all with last 223 vertical connections of isolation power transmission shaft; Last isolation power transmission shaft 223 is fixed on isolates on the power transmission shaft supporting seat, on isolate and first bevel gear, 224, the first bevel gears 224 are installed on the power transmission shaft 223 mesh with second bevel gear 225; Install an end of isolated operation axle 226 on second bevel gear 225, the other end of last isolated operation axle 226 is connected with operating mechanism 7;
Following Disconnecting switch unit 3 comprises that three are isolated blade 31 and a following isolation transmission mechanism 32 down, and following isolation blade 31 is arranged in the insulation bucket 8.Following isolation transmission mechanism 32 comprises the following isolation pull bar of three the 3rd connecting levers 321, three 322, isolates power transmission shaft 323, third hand tap gear 324, the 4th bevel gear 325 and isolated operation axle 326 down down; The two ends of isolation pull bar 322 are hinged with an end and a middle part that isolates blade 31 down of one the 3rd connecting lever 321 respectively under each; The fixing T shape contact 161 of the upper end that isolates blade 31 down and the soft copper band that is embedded in insulating cover 11 bottoms 16 is hinged; The other end of three the 3rd connecting levers 321 all with is down isolated 323 vertical connections of power transmission shaft; Under isolate power transmission shaft 323 and be fixed on down and isolate on the power transmission shaft supporting seat; Under isolate on the power transmission shaft 323 third hand tap gear 324 be installed; An end of isolated operation axle 326 is down installed in third hand tap gear 324 and 325 engagements of the 4th bevel gear on the 4th bevel gear 325, the other end of following isolated operation axle 326 is connected with operating mechanism 7;
Following earthed switch unit 4 comprises three following ground connection blades 41 and a following ground connection transmission mechanism 42, and following ground connection blade 41 is arranged in the insulation bucket 8.Following ground connection transmission mechanism 42 comprises the following ground insulation pull bar of three the 4th connecting levers 421, three 422, ground connection power transmission shaft 423, the 5th bevel gear 424, the 6th bevel gear 425, ground connection operating axis 426 and ground connection T shape contact 427 down down; Down the two ends of ground insulation pull bar 422 are hinged with the middle part of an end of one the 4th connecting lever 421 and a following ground connection blade 41 respectively for each; Ground connection T shape contact 427 is embedded in the bottom of insulating cover 11; The upper end of following ground connection blade 41 and ground connection T shape contact 427 are hinged; The other end of three the 4th connecting levers 421 all with following 423 vertical connections of ground connection power transmission shaft; Following ground connection power transmission shaft 423 is fixed on down on the ground connection power transmission shaft supporting seat, and the 5th bevel gear 424, the five bevel gears 424 and 425 engagements of the 6th bevel gear are installed on the following ground connection power transmission shaft 423; An end of ground connection operating axis 426 down is installed on the 6th bevel gear 425, and the other end of following ground connection operating axis 426 is connected with operating mechanism 7.
As shown in Figure 1; The big capacity of the present invention is isolated the power operation process of solid switch cabinet up and down: the opening button of pressing operating mechanism 7; Operating mechanism 7 drives spline shaft 13 and rotates; The spline connecting lever 14 that spline shaft 13 drives three-phase high-voltage vacuum switch 1 turns clockwise, and spline connecting lever 14 drives connection connecting lever 15 and moves right with insulated tension pole 12, and the dynamic and static contact of vacuum interrupter 17 is separated; Operating mechanism 7 drives are simultaneously gone up isolated operation axle 226 and are rotated counterclockwise; Driving upward through first bevel gear 224 and 225 engagements of second bevel gear, isolation power transmission shaft 223 rotates; Last isolation power transmission shaft 223 drives three second connecting levers 221 and rotates, and three second connecting levers 221 drive three respectively and go up and isolate pull bar 222 motions, goes up for three and isolates pull bar 222 and drive three respectively and go up and isolate blade 21 and move right; Isolation blade 21 is separated with last isolation T shape contact 18, isolate sub-switching operation in the realization; Isolated operation axle 326 clockwise rotated under operating mechanism 7 drove simultaneously; Through third hand tap gear 324 and 325 engagements of the 4th bevel gear, drive and isolate power transmission shaft 323 rotations down, following isolation power transmission shaft 323 drives three the 3rd connecting levers 321 and rotates; Three the 3rd connecting levers 321 drive three following isolation pull bar 322 motions respectively; Three following isolation pull bars 322 drive three respectively and isolate blade 31 down to left movement, and isolation blade 31 is separated with sleeve pipe T shape contact 50, realize isolating down sub-switching operation; Ground connection operating axis 426 clockwise rotated under operating mechanism 7 drove simultaneously; Through the 5th bevel gear 424 and 425 engagements of the 6th bevel gear; Driving down, ground connection power transmission shaft 423 rotates; Following ground connection power transmission shaft 423 drives three the 4th connecting levers 421 and rotates, and three the 4th connecting levers 421 drive three following ground insulation pull bars 422 motions respectively, and three following ground insulation pull bars 422 drive three following ground connection blades 41 respectively to left movement; Ground connection blade 41 is contacted with sleeve pipe T shape contact 50, realize contact of earth operation down; The outage separating brake process of whole switch has been accomplished in this a series of actions.
The big capacity of the present invention is isolated the power-on servicing process of solid switch cabinet up and down: press operating mechanism 7 switch knobs; Operating mechanism 7 drives spline shaft 13 and rotates; Three spline connecting levers 14 that spline shaft 13 drives three-phase high-voltage vacuum switch 1 are rotated counterclockwise; Spline connecting lever 14 drive connection connecting levers 15 to left movement, make the dynamic and static contact contact of vacuum interrupter 17 with insulated tension pole 12; Operating mechanism 7 drives are simultaneously gone up isolated operation axle 226 and are clockwise rotated; Driving upward through first bevel gear 224 and 225 engagements of second bevel gear, isolation power transmission shaft 223 rotates; Last isolation power transmission shaft 223 drives three second connecting levers 221 and rotates, and three second connecting levers 221 drive three respectively and go up and isolate pull bar 222 motions, goes up for three and isolates pull bar 222 and drive three respectively and go up and isolate blade 21 to left movement; Isolation blade 21 is contacted with last isolation T shape contact 18, isolate closing operation in the realization; Isolated operation axle 326 rotated counterclockwise under operating mechanism 7 drove simultaneously; Through third hand tap gear 324 and 325 engagements of the 4th bevel gear, drive and isolate power transmission shaft 323 rotations down, following isolation power transmission shaft 323 drives three the 3rd connecting levers 321 and rotates; Three the 3rd connecting levers 321 drive three following isolation pull bar 322 motions respectively; Isolate blade 31 under three following isolation pull bars 322 drive three respectively and move right, isolation blade 31 is contacted with sleeve pipe T shape contact 50, realize isolation closing operation down; Ground connection operating axis 426 rotated counterclockwise under operating mechanism 7 drove simultaneously; Through the 5th bevel gear 424 and 425 engagements of the 6th bevel gear; Driving down, ground connection power transmission shaft 423 rotates; Following ground connection power transmission shaft 423 drives three the 4th connecting levers 421 and rotates, and three the 4th connecting levers 421 drive three following ground insulation pull bar 422 motions respectively, and three following ground insulation pull bars 422 drive three following ground connection blades 41 respectively and move right; Ground connection blade 41 is separated with sleeve pipe T shape contact 50, realize ground connection sub-switching operation down; The energising making process of whole switch has been accomplished in this a series of actions.
The big capacity of the present invention is isolated the solid switch cabinet up and down and is had the following advantages:
1, adopted cellular structure, it is a loop that each unit adopts three-phase, thereby realizes modular construction, and scheme combination is flexible, diversified, and the loop Installation and Debugging are convenient, can carry out the scene transposing;
2, structural design of the present invention is unique, and bus casing 5 and turnover thread casing 6 unified standards can be realized going out before the advancing of lead, last-in, last-out, various scheme combination such as go out under going out, advance down on enterprising;
3, adopt switch with double-isolation up and down, accomplish visual fracture, strengthened power supply reliability greatly, have the sense of security, operation and power supply reliability are high, obtain very high economic benefit;
4, owing to adopted totally-enclosed solid encapsulation high-pressure vacuum switch, can not produce creepage phenomenon, thereby improve the grade of insulation, on fail safe and energy savings performance, significant effect is arranged, and the switch cubicle volume dwindle greatly than the conventional switch cabinet; Since completely cut off air, aqueous vapor, dust and cold and hot source of the gas, the corrosion that has slowed down power source body effectively, the output of having stablized supply voltage, the maintenance times of minimizing equipment reduces expense cost, has prolonged the useful life of ring main unit.
More than describing is to explanation of the present invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.
Claims (10)
1. a big capacity is isolated the solid switch cabinet up and down, comprises at least one unit cabinet, and each said unit cabinet comprises three-phase high-voltage vacuum switch unit (1), upper and lower Disconnecting switch unit (2; 3), down earthed switch unit (4), three bus casings (5), three turnover thread casings (6) and operating mechanism (7), it is characterized in that: every mutually said high-pressure vacuum switch unit is sealed in the insulation bucket (8), said insulation barrel (8) is by upper and lower cage (9; 10) and the cuboid bucket formed of insulating cover (11); On the open face of said insulation bucket (8) supporting bracket (20) is installed, said upper and lower cage (9,10) is installed on the upper and lower end of said insulating cover (11) respectively; Said insulating cover (8) is processed by epoxide resin material; Said upper and lower insulating cover (9,10) is processed by makrolon material, and the lower end of insulating cover (10) was respectively arranged with a bus casing (5) and a turnover thread casing (6) under said upper end of going up insulating cover (9) reached; Said going up between insulating cover (9) and the bus casing (5) is provided with copper bar pressing plate (40) from top to bottom successively and is connected copper bar (30); Said turnover thread casing (6) inner chamber upper end is equipped with sleeve pipe T shape contact (50), and said operating mechanism (7) is arranged at the outside of insulation bucket (8) and links to each other said upper and lower Disconnecting switch unit (2 through supporting bracket (20) with insulation bucket (8); 3) respectively by three upper and lower isolation blades (21; 31) and a upper and lower isolation transmission mechanism (22,32) form, said earthed switch unit (4) down is made up of three following ground connection blades (41) and a following ground connection transmission mechanism (42); Said upper and lower isolation blade (21,31) reaches down, and ground connection blade (41) all is arranged in the insulation bucket (8).
2. big capacity as claimed in claim 1 is isolated the solid switch cabinet up and down; It is characterized in that: said insulating cover (11) is the cover body that is made up of rectangular female cap (111) and square tubular vacuum bubbles cover (112) one; Said lid (111) is made up of first latch of giving prominence in cover plate (1111) and one week of cover plate (1111) front end (1112); The surface of said cover plate (1111) is provided with several inserts screwed holes; The upper and lower end face of said cover plate (1111) is respectively equipped with an inserts screwed hole, and said cover plate (1111) front end face middle part is provided with a rectangle convexity (1113), and said vacuum bubbles cover (112) is vertically installed in the front of said convexity (1113); Said convexity (1113) is provided with groove (1114); Install on the said groove (1114) and isolate T shape contact (18), said groove (1114) communicates with the rear end face of said vacuum bubbles cover (112), and said vacuum bubbles cover (112) surface of internal cavity is provided with screen (1121); The inner chamber middle part of said vacuum bubbles cover (112) is provided with annular boss (1122); Be positioned at vacuum bubbles cover (112) that said annular boss (1122) locates below be provided with two embedded screwed holes, the bottom surface that is positioned at the vacuum bubbles cover (112) of said annular boss (1122) front is provided with the rectangle hole (1123) that is flexible coupling, and has placed soft copper band (16) on the said hole that is flexible coupling (1123); Be fixed with T shape contact (161) below the said soft copper band (16); End is respectively equipped with one second latch (1125) about the above and below of said vacuum bubbles cover (112), and said second latch (1125) links into an integrated entity with said first latch (1112), and the front end face left and right sides of said vacuum bubbles cover (112) is respectively equipped with a seal groove (1126); Respectively be provided with an inserts screwed hole in the said seal groove (1126); The wall of said vacuum bubbles cover (112) is provided with several inserts screwed holes, and the back centre of surface of said cover plate (1111) is provided with a dome (1116), and the surface is respectively equipped with a square concave surface (1117) about said vacuum bubbles cover.
3. according to claim 1 or claim 2 big capacity is isolated the solid switch cabinet up and down; It is characterized in that: the said cage (9) of going up is uncovered cuboid cover body for following, the left side and the right side; The rectangular recess (91) that connects copper bar (97) is placed to having one in the said cage top of going up; The angle of said rectangular recess (91) is an arc transition; The said lower left quarter angle of going up forward and backward of cage (9) is an arc transition; Said rectangular recess (91) intracavity bottom evenly is provided with three round recesseds (911) downwards along the horizontal direction at rectangular recess (91) center; Be provided with a slot (912) between two the said round recesseds in the left side (911), said rectangular recess (91) outer circumference is arranged with the conduit (913) that a circle longitudinal section is a U-shaped, and said conduit (913) outer rim is provided with several second embedded screwed holes; Last cage (9) upper surface that is positioned at the said second embedded screwed hole left part is provided with two inserts screwed holes; Last cage (9) upper surface that is positioned at said rectangular recess (91) right part is provided with two inserts screwed holes, and said upward left and right end of cage (9) and forward and backward bottom are provided with flange (92), is positioned at the said flange (92) of going up cage (9) front bottom and is provided with second slide groove (921); Be positioned at the said flange (92) of going up bottom, cage (9) back and be provided with the 3rd slide groove (922); The preceding cell wall height of said second slide groove (921) is greater than back cell wall height, and the preceding cell wall height of said the 3rd slide groove (922) is less than back cell wall height, and the said right part flange height of going up cage (9) is greater than the left part flange height; Be positioned at the said flange of going up the left end of cage (9) and be provided with circle first slide groove (93); Be positioned at the said flange of going up the right-hand member of cage (9) and be provided with circle second seal groove (94), said first slide groove (93) is plugged on first latch (1112) top of said insulating cover (11), is provided with several inserts screwed holes in said second seal groove (94); Last cage (9) top of chamber that is positioned between said first slide groove (93) and the said conduit (913) is provided with a long chute (95); Be provided with several reinforcements in the said long chute (95) of going up cage (9), said going up on forward and backward of the cage (9) is respectively equipped with a circle reinforcement, said on the bottom of forward and backward of cage (9) be respectively equipped with three slotted holes (96).
4. big capacity as claimed in claim 3 is isolated the solid switch cabinet up and down; It is characterized in that: said down cage (10) is uncovered cuboid cover body for top, the left side and the right side; The upper left quarter angle that said cage (10) down is forward and backward is an arc transition; Said cage (10) bottom surface down is to having a rectangle prismatic (101); The upper surface of said prism (101) wall is provided with several degree of depth grooves (1011); Said prism (101) middle part is provided with cylindrical channel (1012); Said prism (101) bottom surface is provided with several inserts screwed holes, and said following cage (10) bottom surface is provided with four inserts screwed holes, and the top that the left and right end of said cage (10) down and following cage (10) are forward and backward is provided with second flange (102); Be respectively equipped with three slotted holes (1021) on the front and back walls of said second flange (102); Be positioned at said second flange of cage (10) left end down and be provided with the 4th slide groove (1022), be positioned at said second flange of cage (10) right-hand member down and be provided with the 3rd seal groove (1023), said the 4th slide groove (1022) is plugged on the bottom of first latch (1112) of said insulating cover (11); Be provided with several inserts screwed holes in said the 3rd seal groove (1023); Said the 3rd seal groove (1023) and said second seal groove (94) of going up cage are spirally connected fixing through bolt, be positioned at said second flange (102) on cage (10) top, front down and be provided with the 5th slide groove (1024), and second flange (102) that is positioned at top, the said back of cage (10) down is provided with the 6th slide groove (1025); The preceding cell wall height of said the 5th slide groove (1024) is greater than back cell wall height; The preceding cell wall height of said the 6th slide groove (1025) is provided with several reinforcements less than back cell wall height between said prism (101) left lateral sides and following cage (10) bottom surface, and following cage (10) the inner chamber bottom surface that is positioned at said prism (101) right side is provided with several reinforcements; Be respectively equipped with a circle reinforcement on forward and backward of the said down cage (10), following cage (10) the inner chamber bottom surface that is positioned at said the 4th slide groove (1022) right side is provided with several reinforcements.
5. isolate the solid switch cabinet up and down like the described big capacity of one of claim 1 to 4; It is characterized in that: every mutually said high-pressure vacuum switch unit (1) comprises insulated tension pole (12), spline shaft (13), spline connecting lever (14), connects connecting lever (15) and vacuum interrupter (17); The stationary contact of said vacuum interrupter (17) is connected with last isolation T shape contact (18) through bolt; Said vacuum interrupter (17) is enclosed in the insulating cover (11) admittedly; The movable contact head end of said vacuum interrupter (17) is connected with an end of soft copper band (16) and an end of insulated tension pole (12) through bolt; The other end of said insulated tension pole (12) is with to be connected connecting lever (15) hinged; One end of the other end of said connection connecting lever (15) and spline connecting lever (14) is hinged, and vertical connection of an end of the other end of said spline connecting lever (14) and spline shaft (13), said spline shaft (13) is fixed on the splined shaft bracing frame; Said spline shaft (13) is connected with operating mechanism (7), the shared spline shaft in the said high-pressure vacuum switch of three-phase unit (1) (13).
6. big capacity as claimed in claim 5 is isolated the solid switch cabinet up and down; It is characterized in that: said go up to isolate transmission mechanism (22) comprise three second connecting levers (221), three go up isolate pull bar (222), on isolate power transmission shaft (223), first and second bevel gear (224; 225) and last isolated operation axle (226); Each said two ends that isolate pull bar (222) of going up is hinged with an end and the said middle part that isolates blade (21) of going up of one second connecting lever (221) respectively; The said upper end that go up to isolate blade (21) with embed that to go up the T shape contact that said on cage (9) inner chamber be connected copper bar (30) hinged; The other end of three said second connecting levers (221) all with vertical connection of last isolation power transmission shaft (223); The said isolation power transmission shaft (223) of going up is fixed on the isolation power transmission shaft supporting seat, and the said isolation power transmission shaft (223) of going up is gone up installation first bevel gear (224), said first bevel gear (224) and second bevel gear (225) engagement; Install an end of isolated operation axle (226) on said second bevel gear (225), the said other end of going up isolated operation axle (226) is connected with said operating mechanism (7).
7. big capacity as claimed in claim 6 is isolated the solid switch cabinet up and down; It is characterized in that: said down isolation transmission mechanism (32) comprises three the 3rd connecting levers (321), three following isolation pull bars (322), isolates power transmission shaft (323), third and fourth bevel gear (324 down; 325) reach isolated operation axle (326) down; The two ends of each said down isolation pull bar (322) are hinged with the said middle part that isolates blade (31) down of an end of one the 3rd connecting lever (321) and respectively; The upper end of said isolation blade (31) down is hinged with the T shape contact (161) that the said soft copper band (16) that is embedded in insulating cover (11) bottom is fixed; The other end of three said the 3rd connecting levers (321) all with is down isolated vertical connection of power transmission shaft (323); The said power transmission shaft (323) of isolating down is fixed on down on the isolation power transmission shaft supporting seat, and said isolation power transmission shaft (323) is down gone up third hand tap gear (324) is installed, said third hand tap gear (324) and the 4th bevel gear (325) engagement; Said the 4th bevel gear (325) goes up installs an end of isolated operation axle (326) down, and the said other end of isolated operation axle (326) down is connected with said operating mechanism (7).
8. big capacity as claimed in claim 7 is isolated the solid switch cabinet up and down; It is characterized in that: said ground connection transmission mechanism (42) down comprises three the 4th connecting levers (421), three following ground insulation pull bars (422), following ground connection power transmission shaft (423), the 5th, six bevel gears (424; 425), following ground connection operating axis (426) and ground connection T shape contact (427); The two ends of each said down ground insulation pull bar (422) are hinged with the middle part of an end of one the 4th connecting lever (421) and a said ground connection blade (41) down respectively; Said ground connection T shape contact (427) is embedded in the bottom of insulating cover (11); Upper end and the ground connection T shape contact (427) of said down ground connection blade (41) are hinged, the other end of three said the 4th connecting levers (421) all with vertical connection of following ground connection power transmission shaft (423), said time ground connection power transmission shaft (423) is fixed on down on the ground connection power transmission shaft supporting seat; Said ground connection power transmission shaft (423) is down gone up the 5th bevel gear (424) is installed; Said the 5th bevel gear (424) and the 6th bevel gear (425) engagement, said the 6th bevel gear (425) go up installs an end of ground connection operating axis (426) down, and the said other end of ground connection operating axis (426) down is connected with said operating mechanism (7).
9. big capacity as claimed in claim 8 is isolated the solid switch cabinet up and down, it is characterized in that: each said bus casing (5) is straight tube or L shaped bend pipe, and each said turnover thread casing (6) is straight tube or L shaped bend pipe.
10. big capacity as claimed in claim 9 is isolated the solid switch cabinet up and down, it is characterized in that: the rated operational voltage of said switch cubicle is 10KV, and rated operational current is 1250A, and the specified short circuit current that cut-offs is 31.5KA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010588271A CN102110954B (en) | 2010-12-14 | 2010-12-14 | High-capacity upper and lower isolated solid switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010588271A CN102110954B (en) | 2010-12-14 | 2010-12-14 | High-capacity upper and lower isolated solid switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102110954A CN102110954A (en) | 2011-06-29 |
| CN102110954B true CN102110954B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010588271A Active CN102110954B (en) | 2010-12-14 | 2010-12-14 | High-capacity upper and lower isolated solid switch cabinet |
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| Country | Link |
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| CN (1) | CN102110954B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420399B (en) * | 2011-08-19 | 2014-09-03 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN102810824B (en) * | 2012-08-31 | 2015-05-27 | 北京华电瑞通电力工程技术有限公司 | Solid-insulating fully-sealed device |
| CN104300416B (en) * | 2014-09-12 | 2016-08-17 | 宁波耀华电气科技有限责任公司 | There is the cubicle switch of double isolation features |
| CN104485600B (en) * | 2015-01-05 | 2017-09-01 | 北京双杰电气股份有限公司 | Switch cubicle |
| CN105576547A (en) * | 2016-03-03 | 2016-05-11 | 北京龙源开关设备有限责任公司 | Reinforced insulation protective cover for environment-friendly type gas insulation ring network cabinet isolation switch |
| CN105846335B (en) * | 2016-05-10 | 2018-02-02 | 广东紫光电气有限公司 | A kind of 12kV current-carrying 1250A solid insulation switch cabinets |
| CN112310669B (en) * | 2020-10-21 | 2022-04-15 | 贵州电网有限责任公司 | Adjustable three-phase linkage grounding device for switch cabinet |
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| US5148348A (en) * | 1991-06-17 | 1992-09-15 | Westinghouse Electric Corp. | Polymeric enclosure for electrical apparatus |
| CN101383241A (en) * | 2007-09-05 | 2009-03-11 | 北京双杰配电自动化设备有限公司 | Solid insulation electricity isolation device |
| CN101847838A (en) * | 2010-06-22 | 2010-09-29 | 北京双杰电气股份有限公司 | 24kV solid insulated fully-closed switch combined electrical appliance |
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2010
- 2010-12-14 CN CN201010588271A patent/CN102110954B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148348A (en) * | 1991-06-17 | 1992-09-15 | Westinghouse Electric Corp. | Polymeric enclosure for electrical apparatus |
| CN101383241A (en) * | 2007-09-05 | 2009-03-11 | 北京双杰配电自动化设备有限公司 | Solid insulation electricity isolation device |
| CN101847838A (en) * | 2010-06-22 | 2010-09-29 | 北京双杰电气股份有限公司 | 24kV solid insulated fully-closed switch combined electrical appliance |
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| CN102110954A (en) | 2011-06-29 |
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