CN102227059A - Intelligent solid closed insulating fixed-type high voltage switchgear - Google Patents
Intelligent solid closed insulating fixed-type high voltage switchgear Download PDFInfo
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- CN102227059A CN102227059A CN2011100621484A CN201110062148A CN102227059A CN 102227059 A CN102227059 A CN 102227059A CN 2011100621484 A CN2011100621484 A CN 2011100621484A CN 201110062148 A CN201110062148 A CN 201110062148A CN 102227059 A CN102227059 A CN 102227059A
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Abstract
An intelligent solid closed insulating fixed-type high voltage switchgear comprises at least one base cabinet which is installed in case body. Each base cabinet comprises three phase vacuum arc extinguishing switch units and the like. Each phase vacuum arc extinguishing switch unit, an isolation switch unit and a grounding switch unit are arranged in an insulation shell. An external surface of the shell is coated with conductive metal which is used for grounding. A central section of right side of the shell is provided with a cable inlet and outlet seat. A right transverse plane of a cylinder pullover of the cable inlet and outlet seat is provided with several ring grooves. An external surface of the cylinder pullover is provided with annular convex edges. Left and right parts of bottom of the shell are respectively downwards provided with an circular sleeve and a bus connection pedestal. The annular convex edge is arranged out of the circular sleeve. An insulator cap is installed on the circular sleeve. An upper end surface of the insulator cap is provided with the ring groove. A lateral wall of the groove is provided with the ring groove. A lower transverse plane of the bus connection pedestal is provided with the ring grooves and the external surface of the bus connection pedestal is provided with the annular convex edge. The shell of the invention has good insulating property and small volume. And the shell can be used safely and is convenient for connection. Electrical equipment in the shell can operate safely.
Description
Technical field
The present invention relates to the power transmission and distribution switch cubicle that a kind of alternating current-direct current transmission and disttrbution network uses, refer to a kind of intelligent solid sealing insulation fixed high-voltage switch cubicle especially.
Background technology
Be air-insulated power transmission and distribution device mostly in existing manufacturing power transmission and distribution device product technology at present, this device volume is big, and it is many to expend raw material, and it is big to take up room.Also have and adopt insulating material to seal the way of blocking the raising dielectric strength admittedly, still, improved technology difficulty, can't reduce manufacturing cost, and have some defectives, particularly the Insulation Problems of the external port that connects of device never has reduced volume, reduces cost.And for the power distribution equipment of little electric current, also adopting with SF6 gas in a large number at present is the power distribution equipment of main insulation, because the SF6 gas that adopts has very strong toxicity after carrying out arc extinguishing, very big to the mankind and weather infringement, be not suitable for nonventilated hard site defense strategy facility in one's power especially, be not suitable for the high altitude localities yet, and easily leak, metal gas tank volume is big, to the sealing requirements height, the processing technology complexity causes casing cost height, safeguards and detects complexity, in recent years, though the power transmission and distribution switch cubicle of solid insulation occurred adopting, the insulation system of this type of switch cubicle mostly is solid insulation and air-insulated mixed structure runs into extreme weather or special circumstances cause the fail safe of electric equipment operation to reduce, and housing and other metal connecting piece flexibly connect inconvenient, the housing volume is relatively big, because some electrified body is exposed, be subjected to air, the erosion of dust, easily cause the corrosion of electrified body, reduce dielectric strength, cause human casualty accident.
Summary of the invention
The object of the present invention is to provide a kind of intelligent solid sealing insulation fixed high-voltage switch cubicle, its housing good insulating, creep distance are big, the smaller volume that surface of shell can not discharge that electric equipment operation in safe in utilization and the housing is safer, housing and the flexible connection of other connector make things convenient for and make insulation shell and whole complete set of equipments.
To achieve these goals, technical solution of the present invention is: a kind of intelligent solid sealing insulation fixed high-voltage switch cubicle, comprise at least one the unit cabinet that is installed in the casing, described each unit cabinet comprises three-phase vacuum extinction switch element, isolate, the earthed switch unit, be installed in the control cabinet manually, electric operating mechanism and cable turnover line apparatus, described every phase vacuum extinction switch element and isolation, the earthed switch unit is arranged in the same insulation shell, described housing is the uncovered cuboid tube in upper end, the upper end of described housing and described manual, the connecting plate of electric operating mechanism lower end is fixedly connected, the outer surface of wherein said housing evenly is coated with the conducting metal that is used for ground connection, the middle part, the right side of described housing is provided with cable turnover line seat, described cable turnover line seat constitutes by the cylinder on the cylindrical tube on the left side and the right is pullover, the left end of described cylindrical tube is connected with described housing, the pullover centre bore of described cylindrical tube and described cylinder communicates, the pullover right side of described cylinder is provided with several annular first grooves that is provided with at interval to the outer by the center of circle, the pullover outer surface of described cylinder is provided with annular first fin, the eye-splice of the pullover and described cable turnover of described cylinder line apparatus is connected, the bottom surface left part of described housing is to having circular casing, the outer surface of described circular casing is provided with annular second fin, on the described circular casing insulator cap is installed, the upper surface of described insulator cap is provided with annular second groove that is connected with described circular casing, the lateral wall of described second groove is provided with annular the 3rd groove that matches and be connected with described second fin, the bottom surface right part of described housing connects pedestal to having bus, the lower surface that described bus connects pedestal is provided with several annular the 4th grooves, and the outer surface that described bus connects pedestal is provided with an annular the 3rd fin.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, wherein said cable turnover line apparatus comprises that cable advances lead collar, the turnover line terminals, stress cone, bus and cable advance the lead collar end cap, described cable advance lead collar be by level to bus inlet wire pipe and the T-socket that communicates of the inner chamber that constitutes of vertical cable outlet pipe, described stress cone is installed on the lower end of described bus inlet wire pipe, the top of described turnover line terminals is provided with through hole, described bus is spirally connected with bolt after passing the through hole on the described turnover line terminals top that is positioned at bus inlet wire tube cavity, the left end of described bus inlet wire pipe is provided with several annular the 5th grooves that are provided with at interval by middle mind-set edge that are connected with described cable turnover line seat, the lateral wall of described the 5th groove of close outer is provided with annular the 4th fin, the right-hand member of described bus inlet wire pipe is provided with several annular the 5th fins that is provided with at interval by middle mind-set edge, the outer surface of described the 5th fin of close outer is provided with annular the 6th groove, the left end that described cable advances the lead collar end cap is provided with several annular seven grooves corresponding with described the 5th fin shape, the lateral wall of described the 7th groove of close outer is provided with annular six fin corresponding with described the 6th groove shapes, and the right-hand member of described bus inlet wire pipe is connected with the left end eye-splice that cable advances the lead collar end cap.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle is provided with plain washer and spring washer between the bolt of wherein said bus and its right-hand member, described bus passes the part of bolt and described cable and advances to be provided with between the lead collar end cap stress and block up.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, wherein said vacuum extinction switch element comprises the vacuum switch insulated tension pole, conductive clip, lead is flexible coupling, vacuum interrupter, stationary contact headstock and isolated bus, the upper end of described vacuum switch insulated tension pole is connected with described electric operating mechanism, the upper end of described vacuum interrupter is provided with cylindrical binding post, the lower end of described vacuum switch insulated tension pole is connected with described binding post, described conductive clip and described binding post are by bolted splice, the left end of described conductive clip is connected with the right-hand member of the described lead that is flexible coupling, one end of the lower end of described vacuum interrupter and stationary contact headstock is by bolted splice, described stationary contact headstock is fixed in the intracavity bottom of described housing, one end of described isolated bus passes bus and connects pedestal and enter in the housing the other end with described stationary contact headstock by bolted splice, described isolation, the earthed switch unit comprises the ground connection fixed contact, isolate, the ground insulation pull bar, the isolation earthing switch moving contact, isolate fixed contact and isolate the stationary contact headstock, described ground connection fixed contact is installed on the connecting plate of housing upper surface by the bracing frame on it, described isolation, the upper end of ground insulation pull bar is connected with described manual operation mechanism, described isolation, the middle part of the lower end of ground insulation pull bar and described isolation earthing switch moving contact is hinged, the right-hand member of the left end of described isolation earthing switch moving contact and described isolation stationary contact headstock is hinged, described isolation stationary contact headstock is placed through the inner chamber of described cable turnover line seat, the other end of described isolation stationary contact headstock is connected with described cable turnover line apparatus, and described isolation fixed contact is connected with the left end of the described lead that is flexible coupling.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, the lower end of wherein said vacuum switch insulated tension pole is provided with screw thread, and described binding post upper surface is provided with screwed hole, and described vacuum switch insulated tension pole is threaded fixing with described binding post.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, the outer surface of wherein said vacuum switch insulated tension pole and isolation, ground insulation pull bar is respectively equipped with first and third insulating sleeve with several full skirts.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, be respectively equipped with first and second observation window on left and right of wherein said housing top, described first and second observation window is that transparent material is made, and described cable turnover line seat is positioned at the below of described second observation window.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, the outer surface of wherein said cylindrical tube is equipped with current transformer.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, wherein said housing, insulator cap and described cable advance lead collar and are made by epoxy resin or silicon rubber or Polycarbonate plastics.
The intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle is filled with dry inert gas in the wherein said housing.
After adopting such scheme, the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle is installed on each electric equipment in the housing, each housing and on manually, electronic actuating system is formed a unit cabinet and is installed in the casing, connecting plate sealing and fixing below every housing upper surface and the operating mechanism, owing to adopted totally-enclosed barrier formula insulation system, housing external surface grounded, make each unit cabinet form a complete externally isolated separate unit, and the outer surface of each unit cabinet is the earth shield state fully, surface of shell can not discharge, make that so operating equipment is safer, cable is passed in and out the pullover right-hand member of cylinder of line seat, the lower surface that insulator cap upper surface and bus connect pedestal is equipped with several annular grooves, the setting of these annular grooves makes enclosure interior be not easy to be polluted, can increase simultaneously creepage distance of insulation and improve the volume that the class of insulation has reduced these positions simultaneously, cable is passed in and out the pullover connected mode with cable turnover line apparatus of the cylinder of line seat, connected mode between circular casing and the insulator cap and bus are connected pedestal and all adopt eye-splice to be connected with the connected mode of isolated bus, its good airproof performance easy to connect.
Description of drawings
Fig. 1 is that the master of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle looks schematic diagram;
Fig. 2 is that schematic diagram (not containing the casing Qianmen) is looked on the left side of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle;
Fig. 3 is the unit cabinet master TV structure schematic diagram of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle;
Fig. 4 is the unit cabinet isolating switch closure state structural representation of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle;
Fig. 5 is the right TV structure schematic diagram of unit cabinet of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle
Fig. 6 is a cabinet left side, the unit TV structure schematic diagram of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle;
Fig. 7 is the unit cabinet isolating switch off-state structural representation of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle;
Fig. 8 is the cable turnover line apparatus structural representation of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle.
Below in conjunction with accompanying drawing, the present invention is described further by embodiment.
Embodiment
See also Fig. 1 to shown in Figure 2, the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle comprises two unit cabinets that are installed in the casing 1, and casing 1 front is provided with the front door of movable rotation;
To shown in Figure 7, each unit cabinet comprises three-phase vacuum extinction switch element 2, isolation, earthed switch unit 3, is installed on manual operation mechanism 4, electric operating mechanism 5, current transformer 7 and cable turnover line apparatus 8 in the control cabinet 40 in conjunction with Fig. 3;
Every phase vacuum extinction switch element 2 and isolation, earthed switch unit 3 is arranged in the same insulation shell 9, housing 9 is made by epoxy resin, can charge into dry inert gas in the housing 9 as required, after charging into dry inert gas, can improve the class of insulation of housing 9 and in the operation of the area of higher height above sea level, the outer surface of housing 9 evenly applies the conducting metal that one deck is used for ground connection, make housing 9 outer surface in the earth shield state, surface of shell can not discharge, can make that so operating equipment is safer, housing 9 is the uncovered cuboid tube in upper end, fixedly connected with the connecting plate 10 of manual operation mechanism 4 and electric operating mechanism 5 lower ends in the upper end of housing 9, the left side on housing 9 tops, be respectively equipped with first observation window 91 and second observation window 92 on the right side, first observation window 91 and second observation window 92 are made by transparent material, be convenient to observe the working condition of the isolating switch of housing 9 inside, the metallic support seat is installed in the inner chamber bottom surface of casing 1, housing 9 be installed on the metallic support seat above, the front surface below of housing 9 is provided with three oval-shaped slot 96 and a vee gutter 97 from top to bottom successively, and it is set in order to solve the stress deformation of housing 9 when technology is made;
The middle part, the right side of housing 9 is provided with cable turnover line seat 93, cable turnover line seat 93 is made of the cylindrical tube 931 on the left side and the cylinder pullover 932 on the right, the left end of cylindrical tube 931 is connected with housing 9, cylindrical tube 931 communicates with the centre bore of cylinder pullover 932, the right side of cylinder pullover 932 is provided with two annular first grooves 933 separately by the center of circle to the outer, it is leg-of-mutton annular first fin 9321 that the outer surface of cylinder pullover 932 is provided with a cross section, and cable turnover line seat 93 is positioned at the below of second observation window 92;
The outer surface of cylindrical tube 931 is equipped with current transformer 7, housing 9 bottom surface left parts are to having circular casing 94, it is leg-of-mutton annular second fin 941 that the outer surface of circular casing 94 is provided with a cross section, the insulator cap of being made by silicon rubber 11 is installed on the circular casing 94, the upper surface of insulator cap 11 is provided with annular second groove 111 that is connected with circular casing 94, the lateral wall of second groove 111 is provided with annular the 3rd groove 1111 that matches and be connected with second fin 941, housing 9 bottom surface right parts connect pedestal 95 to having bus, the lower surface that bus connects pedestal 95 is provided with two annulars the 4th groove 951, the outer surface that bus connects pedestal 95 is provided with an annular the 3rd fin 952, it matches with the plug shape of isolated bus, same employing eye-splice connects, easy to connect, can promote the creepage distance of insulation and the class of insulation and good airproof performance, bus is connected pedestal 95 be arranged at housing 9 bottoms, be in order to make the bottom of busbar arrangement at casing 1, help the circulation of cold air, play better heat radiating effect.
In conjunction with shown in Figure 8, cable turnover line apparatus 8 comprises that cable advances lead collar 81, turnover line terminals 82, stress cone 83, bus 84 and cable advance lead collar end cap 85, cable advance lead collar 81 be by level to bus inlet wire pipe 813 and the T-socket that communicates of the inner chamber that constitutes of vertical cable outlet pipe 814, stress cone 83 is installed on the lower end of bus inlet wire pipe 813, the top of turnover line terminals 82 is provided with through hole, bus 84 passes the through hole on turnover line terminals 82 tops that are positioned at bus inlet wire pipe 813 inner chambers, passing plain washer 87 and spring washer 88 backs and bolt 86 from left to right successively is spirally connected, part and cable that bus 84 passes bolt 86 advance to be provided with the stress of being made by silicon rubber stifled 89 between the lead collar end cap 85, cable advances lead collar 81 and is made by silicon rubber, the left end of bus inlet wire pipe 813 is provided with two annular the 5th grooves 811 that are provided with at interval by middle mind-set edge that are connected with cable turnover line seat 93, the lateral wall of the 5th groove 811 of close outer is provided with annular the 4th fin 8111, the right-hand member of bus inlet wire pipe 813 is provided with two annular the 5th fins 812 that are provided with at interval by middle mind-set edge, the outer surface of the 5th fin 812 of close outer is provided with annular the 6th groove 8121, cable advances lead collar end cap 85 and is made by silastic material, the left end that cable advances lead collar end cap 85 is provided with two annular seven grooves 851 corresponding with the 5th fin 812 shapes, the lateral wall of the 7th groove 851 of close outer is provided with annular six fin 8511 corresponding with the 6th groove 8121 shapes, and the right-hand member of bus inlet wire pipe 813 is connected with the left end eye-splice that cable advances lead collar end cap 85.
The right-hand member that cable is passed in and out the cylinder pullover 932 of line seat 93 is arranged to two annular first grooves 933 separately, its left end eye-splice with the bus inlet wire pipe 813 of cable turnover line apparatus 8 is connected, the convenient creepage distance of insulation that can promote of the syndeton of these two parts improves the class of insulation and good airproof performance, these groove positions are not easy the into inside of contamination by dust housing 9, the right-hand member of bus inlet wire pipe 813 cooperates eye-splice to be connected with the project organization that cable advances the left end of lead collar end cap 85, easy to connect and good airproof performance can promote the creepage distance of insulation and the class of insulation.
Vacuum extinction switch element 2 comprises vacuum switch insulated tension pole 21, conductive clip 22, lead 23 is flexible coupling, vacuum interrupter 24, stationary contact headstock 26 and isolated bus 27, the outer surface of vacuum switch insulated tension pole 21 is provided with first insulating sleeve 25 with several full skirts, the upper end of vacuum switch insulated tension pole 21 is connected with electric operating mechanism 5, vacuum interrupter 24 be arranged at bus connect pedestal 95 above, the upper end of vacuum interrupter 24 is provided with cylindrical binding post 241, the lower end of vacuum switch insulated tension pole 21 is provided with screw thread, binding post 241 upper surfaces are provided with screwed hole, vacuum switch insulated tension pole 21 is spirally connected fixing with binding post 241, conductive clip 22 and binding post 241 are by bolted splice, the left end of conductive clip 22 is connected with the right-hand member of the lead 23 that is flexible coupling, one end of the lower end of vacuum interrupter 24 and stationary contact headstock 26 is by bolted splice, stationary contact headstock 26 is fixed in the intracavity bottom of housing 9, one end of isolated bus 27 passes bus and connects pedestal 95 and enter in the housing 9 and fix by bolted splice with the other ends of stationary contact headstock 26, the length of first insulating sleeve 25 is short, but it has increased creepage distance of insulation and has improved the class of insulation, equipment uses safer, and make the overall volume of vacuum extinction switch element 2 dwindle more compact structure.
Isolate, earthed switch unit 3 comprises ground connection fixed contact 31, isolate, ground insulation pull bar 32, isolation earthing switch moving contact 33, isolate fixed contact 34 and isolate stationary contact headstock 35, ground connection fixed contact 31 is installed on the connecting plate 10 of housing 9 upper surfaces by the bracing frame on it, isolate, the outer surface of ground insulation pull bar 32 is provided with second insulating sleeve 321 with several full skirts, isolate, the upper end of ground insulation pull bar 32 is connected with manual operation mechanism 4, isolate, the middle part of the lower end of ground insulation pull bar 32 and isolation earthing switch moving contact 33 is hinged, the left end of isolation earthing switch moving contact 33 is hinged with the right-hand member of isolating stationary contact headstock 35, isolate stationary contact headstock 35 and be placed through the inner chamber that cable passes in and out line seat 93, the bus 84 of the other end of isolation stationary contact headstock 35 and cable turnover line apparatus 8 is hinged, isolating fixed contact 34 is connected with the left end of the lead 23 that is flexible coupling, second insulating sleeve 321 can increase creepage distance of insulation and improve the class of insulation, equipment uses safer, and make isolation, the overall volume of earthed switch unit 3 is dwindled, more compact structure.
During the work of the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle, electric current is to be introduced and drawn by cable turnover line apparatus 8, when manual operation mechanism 4 actuatings are isolated, ground insulation pull bar 32 moves downward, in conjunction with shown in Figure 4, isolate, ground insulation pull bar 32 drives isolation earthing switch moving contacts 33 and clockwise rotates and isolate fixed contact 31 when closed, electric current is by after isolating stationary contact headstock 35, by isolation earthing switch moving contact 33, isolate fixed contact 31, the lead 23 that is flexible coupling enters vacuum interrupter 24, when electric operating mechanism 5 actuating vacuum switch insulated tension poles 21 move downward, when making vacuum interrupter 24 closures, electric current is directed to stationary contact headstock 26, by stationary contact headstock 26 electric current is directed to bus, then, guide electric current into other loop by isolated bus 27.
In conjunction with shown in Figure 7, when electric operating mechanism 5 actuating vacuum switch insulated tension poles 21 move upward when vacuum interrupter 24 is disconnected, manual operation mechanism 4 actuating isolation, ground insulation pull bar 32 move upward, isolation, ground insulation pull bar 32 drive isolation earthing switch moving contacts 33 and isolate fixed contact 31 disconnections, when isolation earthing switch moving contact 33 rotates counterclockwise with ground connection fixed contact 31 closures, the electric current in loop is cut off, at this moment, cable turnover line apparatus 8 can be in ground connection or earth-free state as required.
No matter the intelligent solid sealing of the present invention insulation fixed high-voltage switch cubicle is in running order and treat operating state; its shell all is to be in good ground state; therefore; in service is safe, has stopped the generation of electric shock accidents, has obtained safety guarantee; relay control protective device simultaneously of the present invention adopts combines the control instrument; be that micro-computer controlling apparatus is controlled, therefore can realize automation non-attendant operation mode, this switch cubicle has been realized intellectuality.
The above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (10)
1. an intelligent solid seals the insulation fixed high-voltage switch cubicle, comprise at least one the unit cabinet that is installed in the casing (1), described each unit cabinet comprises three-phase vacuum extinction switch element (2), isolate, earthed switch unit (3), be installed in the control cabinet (40) manually, electric operating mechanism (4,5) and cable turnover line apparatus (8), described every phase vacuum extinction switch element (2) and isolation, earthed switch unit (3) is arranged in the same insulation shell (9), described housing (9) is the uncovered cuboid tube in upper end, the upper end of described housing (9) and described manual, electric operating mechanism (4,5) connecting plate of lower end (10) is fixedly connected, it is characterized in that: the outer surface of described housing (9) evenly is coated with the conducting metal that is used for ground connection, the middle part, the right side of described housing (9) is provided with cable turnover line seat (93), described cable turnover line seat (93) is made of the cylindrical tube (931) on the left side and the cylinder pullover (932) on the right, the left end of described cylindrical tube (931) is connected with described housing (9), described cylindrical tube (931) communicates with the centre bore of described cylinder pullover (932), the right side of described cylinder pullover (932) is provided with several annular first grooves (933) that is provided with at interval to the outer by the center of circle, the outer surface of described cylinder pullover (932) is provided with annular first fin (9321), described cylinder pullover (932) is connected with the eye-splice of described cable turnover line apparatus (8), the bottom surface left part of described housing (9) is to having circular casing (94), the outer surface of described circular casing (94) is provided with annular second fin (941), insulator cap (11) is installed on the described circular casing (94), the upper surface of described insulator cap (11) is provided with annular second groove (111) that is connected with described circular casing (94), the lateral wall of described second groove (111) is provided with annular the 3rd groove (1111) that matches and be connected with described second fin (941), the bottom surface right part of described housing (9) connects pedestal (95) to having bus, the lower surface that described bus connects pedestal (95) is provided with several annular the 4th grooves (951), and the outer surface that described bus connects pedestal (95) is provided with annular the 3rd fin (952).
2. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 1, it is characterized in that: described cable turnover line apparatus (8) comprises that cable advances lead collar (81), turnover line terminals (82), stress cone (83), bus (84) and cable advance lead collar end cap (85), described cable advance lead collar (81) be by level to bus inlet wire pipe (813) and the T-socket that communicates of the inner chamber that constitutes of vertical cable outlet pipe (814), described stress cone (83) is installed on the lower end of described bus inlet wire pipe (813), the top of described turnover line terminals (82) is provided with through hole, described bus (84) is spirally connected with bolt (86) after passing the through hole on described turnover line terminals (82) top that is positioned at bus inlet wire pipe (813) inner chamber, the left end of described bus inlet wire pipe (813) is provided with several annular the 5th grooves (811) that are provided with at interval by middle mind-set edge that are connected with described cable turnover line seat (93), the lateral wall of described the 5th groove (811) of close outer is provided with annular the 4th fin (8111), the right-hand member of described bus inlet wire pipe (813) is provided with several annular the 5th fins (812) that is provided with at interval by middle mind-set edge, the outer surface of described the 5th fin (812) of close outer is provided with annular the 6th groove (8121), the left end that described cable advances lead collar end cap (85) is provided with several annular seven grooves (851) corresponding with described the 5th fin (812) shape, the lateral wall of described the 7th groove (851) of close outer is provided with annular six fin (8511) corresponding with described the 6th groove (8121) shape, and the right-hand member of described bus inlet wire pipe (813) is connected with the left end eye-splice that cable advances lead collar end cap (85).
3. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 2, it is characterized in that: be provided with plain washer (87) and spring washer (88) between the bolt (86) of described bus (84) and its right-hand member, part and described cable that described bus (84) passes bolt (86) advance to be provided with between the lead collar end cap (85) stress stifled (89).
4. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 3, it is characterized in that: described vacuum extinction switch element (2) comprises vacuum switch insulated tension pole (21), conductive clip (22), lead (23) is flexible coupling, vacuum interrupter (24), stationary contact headstock (26) and isolated bus (27), the upper end of described vacuum switch insulated tension pole (21) is connected with described electric operating mechanism (5), the upper end of described vacuum interrupter (24) is provided with cylindrical binding post (241), the lower end of described vacuum switch insulated tension pole (21) is connected with described binding post (241), described conductive clip (22) and described binding post (241) are by bolted splice, the left end of described conductive clip (22) is connected with the right-hand member of the described lead that is flexible coupling (23), one end of the lower end of described vacuum interrupter (24) and stationary contact headstock (26) is by bolted splice, described stationary contact headstock (26) is fixed in the intracavity bottom of described housing (9), one end of described isolated bus (27) passes bus and connects pedestal (95) and enter in the housing (9) the other end with described stationary contact headstock (26) by bolted splice, described isolation, earthed switch unit (3) comprises ground connection fixed contact (31), isolate, ground insulation pull bar (32), isolation earthing switch moving contact (33), isolate fixed contact (34) and isolate stationary contact headstock (35), described ground connection fixed contact (31) is installed on the connecting plate (10) of housing (1) upper surface by the bracing frame on it, described isolation, the upper end of ground insulation pull bar (32) is connected with described manual operation mechanism (4), described isolation, the middle part of the lower end of ground insulation pull bar (32) and described isolation earthing switch moving contact (33) is hinged, the right-hand member of the left end of described isolation earthing switch moving contact (33) and described isolation stationary contact headstock (35) is hinged, described isolation stationary contact headstock (35) is placed through the inner chamber of described cable turnover line seat (93), the other end of described isolation stationary contact headstock (35) is connected with described cable turnover line apparatus (8), and described isolation fixed contact (34) is connected with the left end of the described lead that is flexible coupling (23).
5. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 4, it is characterized in that: the lower end of described vacuum switch insulated tension pole (21) is provided with screw thread, described binding post (241) upper surface is provided with screwed hole, and described vacuum switch insulated tension pole (21) is threaded fixing with described binding post (241).
6. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 5, it is characterized in that: the outer surface of described vacuum switch insulated tension pole (21) and isolation, ground insulation pull bar (32) is respectively equipped with first and third insulating sleeve (25,321) with several full skirts.
7. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 7, it is characterized in that: be respectively equipped with first and second observation window (91 on left and right of described housing (9) top, 92), described first and second observation window (91,92) make for transparent material, described cable turnover line seat (93) is positioned at the below of described second observation window (92).
8. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 7, it is characterized in that: the outer surface of described cylindrical tube (931) is equipped with current transformer (7).
9. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 8 is characterized in that: described housing (9), insulator cap (11) and described cable advance lead collar (81) and are made by epoxy resin or silicon rubber or Polycarbonate plastics.
10. intelligent solid sealing insulation fixed high-voltage switch cubicle as claimed in claim 9 is characterized in that: be filled with dry inert gas in the described housing (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100621484A CN102227059A (en) | 2011-03-15 | 2011-03-15 | Intelligent solid closed insulating fixed-type high voltage switchgear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100621484A CN102227059A (en) | 2011-03-15 | 2011-03-15 | Intelligent solid closed insulating fixed-type high voltage switchgear |
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| CN102227059A true CN102227059A (en) | 2011-10-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664362A (en) * | 2012-05-24 | 2012-09-12 | 北京科锐配电自动化股份有限公司 | All-solid-state insulating ring main unit |
| CN103280728A (en) * | 2013-06-21 | 2013-09-04 | 许昌华元泰电气科技有限公司 | Intelligent solid insulating metal-enclosed switchgear |
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| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN111480272A (en) * | 2017-12-22 | 2020-07-31 | 三菱电机株式会社 | Gas insulated switchgear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664362A (en) * | 2012-05-24 | 2012-09-12 | 北京科锐配电自动化股份有限公司 | All-solid-state insulating ring main unit |
| CN104092142A (en) * | 2013-04-27 | 2014-10-08 | 石家庄科林电气设备有限公司 | Solid insulation ring network cabinet with visual windows on two sides |
| CN104092142B (en) * | 2013-04-27 | 2016-03-23 | 石家庄科林电气设备有限公司 | A kind of solid insulation ring main unit with bilateral visual window |
| CN103280728A (en) * | 2013-06-21 | 2013-09-04 | 许昌华元泰电气科技有限公司 | Intelligent solid insulating metal-enclosed switchgear |
| CN103280728B (en) * | 2013-06-21 | 2015-06-24 | 许昌华元泰电气科技有限公司 | Intelligent solid insulating metal-enclosed switchgear |
| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN111480272A (en) * | 2017-12-22 | 2020-07-31 | 三菱电机株式会社 | Gas insulated switchgear |
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Owner name: MIU KAIPING Free format text: FORMER OWNER: ZHANG ZENGQI MIU YUANCHANG Effective date: 20120110 Owner name: WUXI KAILI ELECTRICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WUXI ZHONGYA ELECTRICAL APPLIANCE FACTORY Effective date: 20120110 |
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Effective date of registration: 20120110 Address after: 214174 Jiangsu Province, Wuxi city Huishan District weir Town Industrial Zone, Yan Xiang Yanqiao Road No. 12 Applicant after: Wuxi Kaili Electrical Appliance Co., Ltd. Co-applicant after: Jiu Kaiping Address before: 214174 No. 12 Weir Road, Huishan District, Jiangsu, Wuxi Applicant before: Wuxi Zhongya Electrical Appliance Factory Co-applicant before: Zhang Zengqi Co-applicant before: Jiu Yuanchang |
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