CN202434900U - Three-phase bus system and switch cabinet - Google Patents
Three-phase bus system and switch cabinet Download PDFInfo
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- CN202434900U CN202434900U CN2011205514287U CN201120551428U CN202434900U CN 202434900 U CN202434900 U CN 202434900U CN 2011205514287 U CN2011205514287 U CN 2011205514287U CN 201120551428 U CN201120551428 U CN 201120551428U CN 202434900 U CN202434900 U CN 202434900U
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Abstract
The utility model provides a three-phase bus system. Each phase of bus comprises bus connectors, d conductors, rubber sleeves, insulating end caps, bus bodies and a screw, wherein the bus connectors comprise casings with column-shaped connecting parts at one end, the casings are cast with epoxy resin by adopting the APG (Automatic Pressure Gelation Process) shaping technique, and the column-shaped connecting parts adopt cylindrical structures with openings formed at the left and the right ends; the d conductors are cast in the walls of the casings; the inner sides of the left and the right openings of the column-shaped connecting parts are equipped with the rubber sleeves; insert nuts are fixedly arranged in the insulating end caps; the bus bodies consist of tubular bus conductors and casing sleeves, the casing sleeves are cast with the epoxy resin by adopting the APG shaping technique, and the tubular bus conductors are cast in the epoxy resin; the screw is used for connecting the bus bodies and the bus connectors; the bus bodies are sleeved on the screw, the end of the screw is inserted into openings on one sides of the column-shaped connecting parts, the end parts of the bus bodies are compressed and located in the rubber sleeves on the inner sides of the openings, and the tubular bus conductors are electrically connected with the d conductors; the insulating end caps are inserted into openings on the other sides of the column-shaped connecting parts, and compressed and located in the rubber sleeves on the inner sides of the openings, and the insert nuts are fixedly connected with the screw. The casing sleeves and the casings of the bus connectors of the bus bodies of the three-phase bus system are all cast with the epoxy resin by adopting the APG shaping technique; the bus bodies and the bus connectors are connected via the screw, and the joints of the bus bodies and the bus connectors are sealed by the rubber sleeves and blocked by the end caps, so that the bus system is prevented from being influenced by the operation environment, and the insulating performance of the three-phase bus system is improved.
Description
Technical field
The utility model relates to the electric power system equipment for power transmission and distribution, relates in particular to three phase bus system and is equipped with the switch cubicle of this three phase bus system.
Background technology
In the existing switch cubicle product, the insulation scheme is to adopt air insulation and SF6 gas-insulated mostly.Need to insulate with air dielectric between two objects of mutually insulated; Certain safe distance must be arranged, according to air breakdown distance under the high pressure of power transmission network, alternate, relatively clear distance should be not less than 125mm; This will cause the volume ratio of switch cubicle bigger, and it is big to take up room; SF6 gas also adopted widely, but SF6 gas can decompose poisonous gas under arcing owing to have a good arc quenching characteristic, to human and climatic influences very badly.Capital of a country memorandum of agreement SF6 gas is put into one of restricted six kinds of greenhouse gas, and SF6 is the extremely strong gases of a kind of greenhouse effect.Though the proportion of SF6 is greater than air, along with turbulent flow, it still can move to atmospheric top, and its greenhouse effect will be bigger 23900 times than CO2.The time limit deposited of SF6 was estimated between 8000 to 10000; The most optimistic estimation is to be no less than 3200; Adopt the gas isolated switch cubicle of SF6 not to be suitable for nonventilated underground and defense strategy facility especially in addition, also be not suitable for the high altitude localities.
At present; In the high-tension switch cabinet, the method for attachment of bus generally has two kinds: the one, and with the direct bridging method of copper bar, this method utilizes air as insulation; So insulation distance is bigger; Directly cause whole switch cubicle overall dimensions huge, not only waste material, and blow-by is easy to receive the influence of environment; The 2nd, middle have conductive core, and skin is the form of silicon rubber, though the sealing of this method, current capacity is less, do not suit in the switch cubicle of big electric current, to use.In the method for attachment of the bus of electric power system, solve and can make the junction volume little greatly again by current-carrying, make the junction be not easy to receive the pollution of environment again, present this method of attachment still is a technical barrier.If design and manufacture a kind of good insulation preformance, volume is little, ampacity is big, fixed sealing type is difficult for three phase bus system affected by environment, will make the development of high-tension switch cabinet play the effect of a key.
Summary of the invention
The main purpose of the utility model is to the prior art defective, a kind of good insulation preformance is provided, volume is little, ampacity is big, fixed sealing type is difficult for three phase bus system affected by environment.
Another purpose of the utility model provides a kind of good insulation preformance, the less switch cubicle of volume.
To achieve these goals; The three phase bus system that the utility model provides, its every phase bus comprises: bus connector, bus connector comprise that an end has the shell of column connecting portion; Shell is formed by the cast of used for epoxy resin APG forming technique, and the column connecting portion is a left and right sides opening tubular structure; D electric conductor, d electric conductor are cast in the wall of shell; Rubber sleeve, the opening inboard, the left and right sides of column connecting portion all is equipped with rubber sleeve; The insulation plug, the inside of insulation plug is installed with the inserts nut; Bus, it comprises tubulose bus-bars conductor and valve jacket, and valve jacket is to be formed by the cast of used for epoxy resin APG forming technique, and the tubulose bus-bars conductor is cast in the epoxy resin; Screw mandrel is used for connection bus and bus connector; Bus is enclosed within on the screw mandrel, and insert in the side opening of column connecting portion the end of screw mandrel, and the extruding of the end of bus is positioned at the inboard rubber sleeve of this opening, and the tubulose bus-bars conductor is electrically connected with the d electric conductor; The insulation plug inserts the opposite side opening of column connecting portion, and extruding is positioned at the inboard rubber sleeve of this opening, and inserts nut and screw mandrel are fastenedly connected.The shell of the valve jacket of the bus of three phase bus system and bus connector all is to be formed by the cast of used for epoxy resin APG forming technique; Bus adopts screw mandrel to be connected with the bus connector; Adopt rubber sleeve sealing and plug shutoff in the junction; Make bus-bar system avoid receiving the influence of running environment, improved the insulation property of three phase bus system.
Particularly, the d electric conductor is positioned at the inner end of column connecting portion and has intercommunicating pore, and screw mandrel passes intercommunicating pore and the inserts nut is fastenedly connected.Be convenient to screw mandrel connection bus and bus connector, realize that the tubulose bus-bars conductor of bus is electrically connected with electric conductor.
Particularly, the quantity of bus connector is 2.
Particularly, the quantity of bus is more than 2, and the quantity of bus connector is Duoed 1 than the quantity of bus; Two buses utilize screw mandrel to connect at the column connecting portion place of bus connector, and the extruding of the end of bus is positioned at the inboard rubber sleeve of column connecting portion in the junction, and the tubulose bus-bars conductor of two buses is electrically connected with the d electric conductor at bus connector place.Realize two buses being tightly connected at bus connector place.
More particularly, the bus connector of every phase bus laterally arranges and has a central axis, from looking up perpendicular to the axial side of bus, between the central axis of the bus connector of adjacent every phase bus in angle of 45 degrees.The bus connector of three-phase bus spatially carries out 45 degree with bus to be arranged, rationally distributed, conserve space.
The switch cubicle that the utility model provides comprises: at least 1 road inlet wire ring main unit; 1 tunnel outlet ring main unit; Three phase bus system; Be electrically connected inlet wire ring main unit and outlet ring main unit, its every phase bus comprises: bus connector, bus connector comprise that an end has the shell of column connecting portion; Shell is formed by the cast of used for epoxy resin APG forming technique, and the column connecting portion is a left and right sides opening tubular structure; D electric conductor, d electric conductor are cast in the wall of shell; Rubber sleeve, the opening inboard, the left and right sides of column connecting portion all is equipped with said rubber sleeve; The insulation plug, the inside of insulation plug is installed with the inserts nut; Bus, it comprises tubulose bus-bars conductor and valve jacket, and valve jacket is to be formed by the cast of used for epoxy resin APG forming technique, and the tubulose bus-bars conductor is cast in the epoxy resin; Screw mandrel is used for connection bus and bus connector; Bus is enclosed within on the screw mandrel, and insert in the side opening of column connecting portion the end of screw mandrel, and the extruding of the end of bus is positioned at the inboard rubber sleeve of this opening, and the tubulose bus-bars conductor is electrically connected with the d electric conductor; The insulation plug inserts the opposite side opening of column connecting portion, and extruding is positioned at the inboard rubber sleeve of this opening, and the said screw mandrel of inserts nut is fastenedly connected.The shell of the valve jacket of the bus of the three phase bus system of switch cubicle and bus connector all is to be formed by the cast of used for epoxy resin APG forming technique; Bus adopts screw mandrel to be connected with the bus connector; Adopt rubber sleeve sealing and plug shutoff in the junction; Make bus-bar system avoid receiving the influence of running environment, improved the insulation property of switch cubicle.
Particularly, the d electric conductor is positioned at the inner end of column connecting portion and has intercommunicating pore, and screw mandrel passes intercommunicating pore and the inserts nut is fastenedly connected.
Particularly, the d electric conductor is positioned at the inner end of column connecting portion and has intercommunicating pore, and screw mandrel passes intercommunicating pore and the inserts nut is fastenedly connected.Be convenient to screw mandrel connection bus and bus connector, realize that the tubulose bus-bars conductor of bus is electrically connected with electric conductor.
Particularly, the quantity of bus connector is 2.
Particularly, the quantity of bus is more than 2, and the quantity of bus connector is Duoed 1 than the quantity of bus; Two buses utilize screw mandrel to connect at the column connecting portion place of bus connector, and the extruding of the end of bus is positioned at the inboard rubber sleeve of column connecting portion in the junction, and the tubulose bus-bars conductor of two buses is electrically connected with the d electric conductor at bus connector place.Realize two buses being tightly connected at bus connector place.
More particularly, the bus connector of every phase bus laterally arranges and has a central axis, from looking up perpendicular to the axial side of bus, between the central axis of the bus connector of adjacent every phase bus in angle of 45 degrees.The bus connector of three-phase bus spatially carries out 45 degree with bus to be arranged, rationally distributed, conserve space, switch cubicle compact conformation.
Description of drawings
Fig. 1 is the stereogram of the utility model switch cubicle;
Fig. 2 is the front view of the utility model switch cubicle internal structure, has removed outside framework;
Fig. 3 is the cutaway view of the utility model switch cubicle outlet ring main unit;
Fig. 4 is the A partial enlarged drawing of Fig. 3;
Fig. 5 is the cutaway view of the band of the utility model switch cubicle pole of isolating;
Fig. 6 is that the vacuum load switch arc control device realization of the utility model switch cubicle is closed, the motor-operating mechanism view of separating brake;
Fig. 7 is the stereogram of the utility model switch cubicle dynamic seal;
Fig. 8 is the cutaway view of the utility model switch cubicle dynamic seal;
Fig. 9 is the C partial enlarged drawing of Fig. 8;
Figure 10 is the B partial enlarged drawing of Fig. 6;
The three-dimensional cutaway view of the pole that the band of Figure 11 the utility model switch cubicle is isolated, isolating switch is in the position of combined floodgate;
The three-dimensional cutaway view of the pole that the band of Figure 12 the utility model switch cubicle is isolated, isolating switch is in the position of separating brake;
Figure 13 is the front view of the utility model switch cubicle internal structure, has removed casing and fuse unit;
The end view of Figure 14 the utility model switch cubicle inlet wire ring main unit, A, B, three bus connectors of C spatially carry out 45 degree and arrange;
Figure 15 is the D broken section enlarged drawing of Figure 13;
Figure 16 is the electronic interrupter view of the utility model switch cubicle, and electronic interrupter is in the separating brake position;
Figure 17 is the electronic interrupter end view of the utility model switch cubicle, and electronic interrupter is in the separating brake position;
Figure 18 is the electromagnetic clutch cutaway view of the utility model switch cubicle;
Figure 19 is the electronic interrupter stereogram of the utility model switch cubicle, and electronic interrupter is in closing position;
Figure 20 is the end view of the electronic interrupter of the utility model switch cubicle, and electronic interrupter is in closing position;
Figure 21 is the stereogram of the electronic interrupter control isolation knife of the utility model switch cubicle, and isolation knife is in the position of separating brake;
Figure 22 is the stereogram of the electronic interrupter control isolation knife of the utility model switch cubicle, and isolation knife is in the position of combined floodgate.
Below in conjunction with accompanying drawing, the utility model is further described through embodiment.
Embodiment
Referring to Fig. 1 and Fig. 2, Fig. 2 is the front view of the utility model switch cubicle internal structure, has removed outside framework 11.Switch cubicle 1 comprises 2 road inlet wire ring main units 12 and 1 tunnel outlet ring main unit 13, is equipped with fuse unit 2 in the outlet ring main unit 13, and inlet wire ring main unit 12 is equipped with cable connector 41 (referring to Figure 14) summation current transformer 42 (referring to Figure 14).Be electrically connected A, B, the C three phase bus system of inlet wire ring main unit 12 and outlet ring main unit 13 in addition.
Referring to Fig. 3, solid insulation switch cabinet 1 comprises the pole 3 that fuse unit 2 and band are isolated.Fuse unit 2 comprises having uncovered housing 23 and cover this uncovered lid 28, adopts rubber sleeve 27 sealings between this uncovered and lid 28.Be provided with fuse 21 in the housing 23, a electric conductor 24, b electric conductor 25, conducting strip 26, transducer 231 and ground connection vacuum interrupter 22.Ground connection vacuum interrupter 22 is provided with earth terminal 221, and fuse unit 2 is provided with leading-out terminal 251.Ground connection vacuum interrupter 22 is meant that the ground connection cutter is placed in the vacuum environment, closes ground connection, timesharing all is in vacuum state, and its insulation property are not affected by the external environment, and grounding safety is reliable.Transducer 231 is processed by semi-conducting material, and whether charged, signal is passed to the charged display unit of switch cubicle 1 if being used to respond to fuse unit 2.
Referring to Fig. 5, the pole 3 that band is isolated comprises body 31.Be provided with c electric conductor 36 in the body 31, insulated tension pole 35, vacuum load switch arc control device 32, isolating switch 33 is with 34 with being flexible coupling.Isolating switch 33 comprises isolation knife 331, connection contact 332 and fixed contact 333, and the top insulation of isolation knife 331, the bottom conduction, isolation knife 331 upper and lower motions are controlled as pull bar in top.Isolation knife 331 moves through upper and lower on connection contact 332 and fixed contact 333 and accomplishes the closing of isolating switch 33, separating brake.Vacuum load switch arc control device 32 comprise upper contact head 321 and following contact 322.Upper contact head 321 is connected with insulated tension pole 35 realizes that the closing of vacuum load switch arc control device 32, separating brake, upper contact head 321 be with 34 to be connected with connection contact 332 through being flexible coupling, and then being electrically connected of realization and isolating switch 33.C electric conductor 36 is connected with a electric conductor 24 (referring to Fig. 4).
Referring to Fig. 6, the pole 3 that band is isolated adopts screw to be installed on the framework 65, and dynamic seal 6 is installed between insulated tension pole 35 and the framework 65, the pole 3 that the realization band is isolated and the sealing of insulated tension pole 35 junctions.
Referring to Fig. 7,8 and 9, dynamic seal 6 is that the lower end is uncovered, upper end closed and silicon rubber spare with whole consistent wall thickness of connecting through hole 612, and its wall thickness is 2mm.Dynamic seal 6 comprises the corrugated part 63 of joint face 61, following joint face 62 and tubular.Connecting through hole 612 is arranged on the joint face 61, has been uniformly distributed with a plurality of installation through holes 611 on the upper and lower joint face 61,62; 621, the inner surface of upper and lower joint face 61,62 is provided with two concentric ring packing fins 613; 622; Installation through holes 611 is between the sealing fin 613 of two annulars, and installation through holes 621 is between the sealing fin 622 of two annulars, and sealing fin 613 and 622 has improved the sealing effectiveness of dynamic seal 6.The span of the outer ripple minimum profile curvature radius R of corrugated part 63 is: 2mm ≦ R ≦ 4mm.The dynamic seal 6 of the utility model adopts flexible good silicon rubber manufacturing, and because the design of the corrugated part 63 of tubular, therefore can improve the sport life span of dynamic seal 6, reduce production costs, and volume is littler.
Referring to Figure 10; Insulated tension pole 35 comprises forced section 352 and support portion 353; Dynamic seal 6 is enclosed within the periphery of insulated tension pole 35; Forced section 352 passes connecting through hole 612, and last joint face 61 passes installation through holes 611 through screw and is installed on the support portion 353, and following joint face 62 passes installation through holes 621 through screw and is installed on the framework 65.
Referring to Fig. 6; Fig. 6 is that vacuum load switch arc control device 32 realizations of the utility model solid insulation switch cabinet are closed, the motor-operating mechanism view of separating brake; Its course of work is following: direct current permanent magnet motor 648 or worm screw 647 drive pinion 646 rotations; Pinion 646 drives gear wheel 645 and rotates to be cam 644 energy storage, and cam 644 drives output toggle arm 643 and rotates, and output toggle arm 643 drives main shaft connecting lever 641 through connecting rod 642 and rotates; Main shaft connecting lever 641 drives forced section 352 and does upper and lower motion; Thereby make insulated tension pole 35 upper and lower motions, thereby realize that vacuum load switch closes, the separating brake process, dynamic seal 6 plays the movable sealing effect for insulated tension pole 35 in above motion process.
Referring to Figure 13, switch cubicle 1 comprises A, B, C three phase bus system, is used to be electrically connected inlet wire ring main unit 12 and outlet ring main unit 13.Referring to Figure 14, the inlet wire ring main unit 12 of switch cubicle 1 is equipped with cable connector 41 summation current transformers 42, and inlet wire ring main unit 12 does not have fuse unit 2.
The structure of every phase bus of A, B, C three phase bus system is the same, and existing is that example describes its structure with C phase bus.Referring to Figure 15, Figure 15 is the partial sectional view of C phase bus, has shown the internal structure of C phase bus.C phase bus comprises 7,3 bus connectors 75 of 2 buses, screw mandrel 71, rubber sleeve 74 and insulation plug 76.Bus 7 comprises tubulose bus-bars conductor 72 and valve jacket 73.Valve jacket 73 is the insulators that formed by the cast of used for epoxy resin APG (Automatic Pressure Gelation Process) forming technique, and tubulose bus-bars conductor 72 is cast in the valve jacket 73.3 bus connectors 75 laterally arrange; Each bus connector 75 comprises that a d electric conductor 751 and an end have the shell 752 of column connecting portion; The insulator that shell 752 is formed by the cast of used for epoxy resin APG (Automatic Pressure Gelation Process) forming technique, d electric conductor 751 is cast in the shell 752.D electric conductor 751 has an intercommunicating pore 7511 (referring to Figure 11) in the end that is positioned at the column connecting portion, intercommunicating pore 7511 is used for being connected with screw mandrel 71.The column connecting portion is a left and right sides opening tubular structure, and its inboard, two ends is provided with rubber sleeve 74.3 bus connectors 75 are connected through screw mandrel 71 with 2 buses 7, and 2 buses 7 of the column connecting portion of the bus connector 75 in the middle of being arranged in end extruding rubber sleeve 74 in opposite directions seals, and tubulose bus-bars conductor 72 is electrically connected with d electric conductor 751.At the column connecting portion of the bus connector 75 that is arranged in both sides except utilizing extruding rubber sleeve 74 seals, the outside through insulation plug 76 shutoff column connecting portions also.The inside of insulation plug 76 is installed with inserts nut 77, and it is fastening with inserts nut 77 that screw mandrel 71 passes intercommunicating pore 7511 (referring to Figure 11), and tubulose bus-bars conductor 72 is electrically connected with d electric conductor 751.Bus connector 75 is threaded with the end of incoming cables 313 (referring to Figure 12) of the pole 3 that band is isolated, and the d electric conductor 751 of bus connector 75 is electrically connected with isolating switch 33, thereby realizes C phase bus and be with being electrically connected of pole 3 of isolation.
Three bus connectors 75 of C phase bus are positioned on the same plane basically and laterally arrange, and they all have central axis c (referring to Figure 11 and Figure 14), correspondingly A mutually with B mutually three bus connectors of bus also be positioned on the same plane basically and laterally arrange; They also have central axis a and b (referring to Figure 14) respectively; From looking up perpendicular to bus 7 axial sides, bus is adjacent mutually with B for A phase bus, and bus is adjacent mutually with C for B phase bus; Bus is non-conterminous mutually with C for A phase bus; Central axis a and b in angle of 45 degrees, central axis b and c in angle of 45 degrees, that is: the connector of A, B, C three-phase bus carries out 45 degree with bus and arranges; Rationally distributed, practiced thrift the space.
When the switch cubicle that is used for when A, B, C three phase bus system included only 1 road inlet wire ring main unit and 1 tunnel outlet ring main unit, every phase bus needed two bus connectors 75 and a bus 7.When the solid insulation switch cabinet that is used for when A, B, C three phase bus system comprised inlet wire ring main unit and 1 tunnel outlet ring main unit more than 2 tunnel, bus 7 quantity of every phase bus were more than 2, and the quantity of bus connector 75 is Duoed 1 than the quantity of bus 7.
Referring to Figure 16 and Figure 17, Figure 16 and 17 is views of the electronic isolated operation mechanism of the utility model switch cubicle, and electronic isolated operation mechanism 9 is used for branch, the combined floodgate of disconnecting switch operation 33.Electronic isolated operation mechanism 9 comprises mechanical transmission mechanism and electromagnetic clutch 8, and mechanical transmission mechanism comprises spring mechanism 91, separating brake travel switch 92, combined floodgate travel switch 93, power transmission shaft 96, separating brake driving lever 962, direct current permanent magnet motor 94 and pinion 95 (seeing Figure 21).The fastening rocking arm 961 that is provided with of one end of power transmission shaft 96.Separating brake driving lever 962 comprises two driving levers that are roughly the L type, and the driving lever symmetry is fastened on the upper and lower side of power transmission shaft 96.
Referring to Figure 18, Figure 18 is the electromagnetic clutch view of the utility model solid insulation switch cabinet.Electromagnetic clutch 8 comprises that the magnetic that coil 852 is housed grips 85, baffle plate 84, armature 83, magnetic are gripped ring gear 841, armature ring gear 831, connect 82, spring leaf 821 and gear wheel 81.Magnetic is gripped ring gear 841 all has the size end face tooth identical with quantity with armature ring gear 831.Magnetic grips 85 by deep groove ball bearing 851 supports, is fixed through installation.Armature 83 adopts pin 832 to be fastenedly connected with armature ring gear 831.Baffle plate 84 is gripped ring gear 841 with magnetic and is adopted pin 842 to be fastenedly connected.Connect 82 the involute external tooth involute internal tooth slippage in the axial direction of armature ring gear 831 relatively, connection 82 adopts screws fastening with adjacent gear wheel 81.
The axis hole of baffle plate 84 and power transmission shaft 96 usefulness keys 843 link, and mechanical transmission mechanism and electromagnetic clutch 8 are combined.
The operating process of electromagnetic clutch 8 is following: when coil 852 energisings; Produce electromagnetic force 831 suctions of armature ring gear are gripped ring gear 841 to magnetic; Both end face teeth are meshed, and moment just is delivered to from gear wheel 81 and connects 82, is delivered to magnetic by connection 82 drive armature ring gears 831 and grips ring gear 841; Thereby make power transmission shaft 96 rotations, realize electric operating.Behind coil blackout, electromagnetic force disappears, and armature ring gear 831 is just gripped ring gear 841 by the restoring force of the axial thrust of end face tooth and spring leaf 821 with magnetic and separated, and armature ring gear 831 is thrown off with the end face tooth that magnetic is gripped ring gear 841 mutually, has just stopped the transmission of moment.
Referring to Figure 16 and Figure 17; The separating brake course of work of electronic isolated operation mechanism 9 is following: when the sub-gate signal of switch cubicle 1 started, armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and direct current permanent magnet motor 94 is just changeing and drives pinion 95 (seeing Figure 21) and rotate; Pinion 95 drives gear wheel 81 (seeing Figure 21) rotation; Make power transmission shaft 96 be rotated clockwise to the separating brake position, separating brake driving lever 962 was stirred mid point with spring mechanism 91 simultaneously, and spring mechanism 91 is depressed separating brake travel switch 92; Electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating, and this moment, electronic isolated operation mechanism 9 was in the separating brake position.
Referring to Figure 19 and 20, Figure 19 and 20 is views of the electronic isolated operation mechanism of the utility model solid insulation switch cabinet, and electronic isolated operation mechanism is in closing position.The combined floodgate course of work of electronic isolated operation mechanism 9 is following: when the switching signal of switch cubicle 1 started, armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and direct current permanent magnet motor 94 counter-rotatings drive pinions 95 and rotate; Pinion 95 drives gear wheel 81 rotations; Make power transmission shaft 96 be rotated counterclockwise closing position, the driving lever 962 that closes a floodgate was simultaneously stirred mid point with spring mechanism 91, and spring mechanism 91 is depressed combined floodgate travel switch 93; Electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating, and this moment, electronic isolated operation mechanism 9 was in closing position.
Electronic isolated operation mechanism 9 is in branch, the closing position except that but electric operating makes it, but also manual operation realizes.When electromagnetic clutch cut off the power supply, yoke ring gear 841 broke off with armature ring gear 831, when the time comes can through manual rotating drive shaft 96 realize electronic isolated operation mechanism 9 minutes, close a floodgate.The energising of coil 852, outage are to realize accurately control through spring mechanism 91 and travel switch 92,93 actings in conjunction.
Referring to Figure 21, Figure 21 is the view of the electronic isolated operation mechanism 9 control isolation knife 331 of the utility model solid insulation switch cabinet, and isolation knife 331 is in the position of separating brake.Switch cubicle 1 is provided with the support 97 of L type, and the upper end of support 97 fastening support isolation knife 331 also is provided with elongated bullport 98 on the support 97, and rocking arm 961 can slide along elongated bullport 98, drives support 97 upper and lower motions.
The separating brake process of isolating switch 33 is following: when the sub-gate signal of switch cubicle 1 started, the armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and direct current permanent magnet motor 94 is just changeing 95 rotations of drive pinion; Pinion 95 drives gear wheel 81 rotations, and power transmission shaft 96 is turned clockwise, and the rocking arm 961 drive supports 97 that are fastenedly connected with power transmission shaft 96 move upward; Be in the separating brake position up to isolation knife 331; Separating brake driving lever 962 was stirred mid point with spring mechanism 91 simultaneously, and spring mechanism 91 is depressed separating brake travel switch 92, and electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating.
Referring to Figure 22, Figure 22 is the view of the electronic isolated operation mechanism 9 control isolation knife 331 of the utility model solid insulation switch cabinet, and isolation knife 331 is in the position of combined floodgate.The making process of isolating switch 33 is following: when the switching signal of switch cubicle 1 started, the armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and direct current permanent magnet motor 94 counter-rotatings drive pinion 95 rotations; Pinion 95 drives gear wheel 81 rotations, and power transmission shaft 96 is rotated counterclockwise, and the rocking arm 961 drive supports 97 that are fastenedly connected with power transmission shaft 96 move downward; Be in closing position up to isolation knife 331; The driving lever 962 that closes a floodgate was simultaneously stirred mid point with spring mechanism 91, and spring mechanism 91 is depressed combined floodgate travel switch 93, and electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating.
It is emphasized that above at last only is explanation rather than the restriction to the utility model for example, and the protection range of the utility model is as the criterion with the content of claim.As the common engineers and technicians of this area, any inventive spirit and equivalence techniques conversion of making based on the utility model is all within the protection range of the utility model.
Claims (10)
1. three phase bus system, its every phase bus comprises
Bus connector, said bus connector comprise that an end has the shell of column connecting portion, and said shell is formed by the cast of used for epoxy resin APG forming technique, and said column connecting portion is a left and right sides opening tubular structure; The d electric conductor, said d electric conductor is cast in the wall of said shell;
Rubber sleeve, the opening inboard, the left and right sides of said column connecting portion all is equipped with said rubber sleeve;
The insulation plug, the inside of said insulation plug is installed with the inserts nut;
It is characterized in that:
Bus, it comprises tubulose bus-bars conductor and valve jacket, and said valve jacket is to be formed by the cast of used for epoxy resin APG forming technique, and said tubulose bus-bars conductor is cast in the epoxy resin;
Screw mandrel is used to connect said bus and said bus connector;
Said bus is enclosed within on the said screw mandrel, and insert in the side opening of said column connecting portion the end of said screw mandrel, and the extruding of the end of said bus is positioned at the inboard rubber sleeve of this opening, and said tubulose bus-bars conductor is electrically connected with said d electric conductor;
Said insulation plug inserts the opposite side opening of said column connecting portion, and extruding is positioned at the inboard rubber sleeve of this opening, and said inserts nut and said screw mandrel are fastenedly connected.
2. the described three phase bus system of claim 1 is characterized in that:
Said d electric conductor is positioned at the inner end of said column connecting portion and has intercommunicating pore, and said screw mandrel passes said intercommunicating pore and said inserts nut is fastenedly connected.
3. three phase bus system according to claim 2 is characterized in that:
The quantity of said bus connector is 2.
4. three phase bus system according to claim 1 is characterized in that:
The quantity of said bus is more than 2, and the quantity of said bus connector is Duoed 1 than the quantity of said bus;
Two said buses utilize said screw mandrel to connect at the said column connecting portion place of said bus connector; The extruding of the end of said bus is positioned at the inboard rubber sleeve of said column connecting portion in the junction, and the tubulose bus-bars conductor of two said buses is electrically connected with the d electric conductor at said bus connector place.
5. according to claim 3 or 4 any described three phase bus systems, it is characterized in that:
The bus connector of said every phase bus laterally arranges and has a central axis, from looking up perpendicular to the axial side of said bus, between the central axis of the bus connector of adjacent every phase bus in angle of 45 degrees.
6. switch cubicle comprises:
At least 1 road inlet wire ring main unit;
1 tunnel outlet ring main unit;
Three phase bus system is electrically connected said inlet wire ring main unit and said outlet ring main unit, and its every phase bus comprises:
Bus connector, said bus connector comprise that an end has the shell of column connecting portion, and said shell is formed by the cast of used for epoxy resin APG forming technique, and said column connecting portion is a left and right sides opening tubular structure; The d electric conductor, said d electric conductor is cast in the wall of said shell;
Rubber sleeve, the opening inboard, the left and right sides of said column connecting portion all is equipped with said rubber sleeve;
The insulation plug, the inside of said insulation plug is installed with the inserts nut;
It is characterized in that:
Bus, it comprises tubulose bus-bars conductor and valve jacket, and said valve jacket is to be formed by the cast of used for epoxy resin APG forming technique, and said tubulose bus-bars conductor is cast in the epoxy resin;
Screw mandrel is used to connect said bus and said bus connector;
Said bus is enclosed within on the said screw mandrel, and insert in the side opening of said column connecting portion the end of said screw mandrel, and the extruding of the end of said bus is positioned at the inboard rubber sleeve of this opening, and said tubulose bus-bars conductor is electrically connected with said d electric conductor;
Said insulation plug inserts the opposite side opening of said column connecting portion, and extruding is positioned at the inboard rubber sleeve of this opening, and said inserts nut and said screw mandrel are fastenedly connected.
7. the described switch cubicle of claim 6 is characterized in that:
Said d electric conductor is positioned at the inner end of said column connecting portion and has intercommunicating pore, and said screw mandrel passes said intercommunicating pore and said inserts nut is fastenedly connected.
8. switch cubicle according to claim 7 is characterized in that:
The quantity of said bus connector is 2.
9. switch cubicle according to claim 6 is characterized in that:
The quantity of said bus is more than 2, and the quantity of said bus connector is Duoed 1 than the quantity of said bus;
Two said buses utilize said screw mandrel to connect at the said column connecting portion place of said bus connector; The extruding of the end of said bus is positioned at the inboard rubber sleeve of said column connecting portion in the junction, and the tubulose bus-bars conductor of two said buses is electrically connected with the d electric conductor at said bus connector place.
10. it is characterized in that according to Claim 8 or 9 any described switch cubicles:
The bus connector of said every phase bus laterally arranges and has a central axis, from looking up perpendicular to the axial side of said bus, between the central axis of the bus connector of adjacent every phase bus in angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514287U CN202434900U (en) | 2011-12-23 | 2011-12-23 | Three-phase bus system and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514287U CN202434900U (en) | 2011-12-23 | 2011-12-23 | Three-phase bus system and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434900U true CN202434900U (en) | 2012-09-12 |
Family
ID=46784309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205514287U Expired - Fee Related CN202434900U (en) | 2011-12-23 | 2011-12-23 | Three-phase bus system and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202434900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076668A (en) * | 2016-03-07 | 2018-12-21 | 智慧生长解决方案有限公司 | Controllable electric power and lighting system |
-
2011
- 2011-12-23 CN CN2011205514287U patent/CN202434900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076668A (en) * | 2016-03-07 | 2018-12-21 | 智慧生长解决方案有限公司 | Controllable electric power and lighting system |
| US11172557B2 (en) | 2016-03-07 | 2021-11-09 | Intelligent Growth Solutions Limited | Controllable power and lighting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20151223 |
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| EXPY | Termination of patent right or utility model |