CN202384284U - Fuse tube and switch cabinet - Google Patents
Fuse tube and switch cabinet Download PDFInfo
- Publication number
- CN202384284U CN202384284U CN2011205514272U CN201120551427U CN202384284U CN 202384284 U CN202384284 U CN 202384284U CN 2011205514272 U CN2011205514272 U CN 2011205514272U CN 201120551427 U CN201120551427 U CN 201120551427U CN 202384284 U CN202384284 U CN 202384284U
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- electric conductor
- housing
- fuse
- switch
- encapsulated
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Abstract
The utility model provides a fuse tube, comprising a shell with an opening and a cover covering the opening, wherein the shell is a solid insulation shell which is provided with a cavity and is formed by pouring epoxy resin with an APG (Automatic Pressure Gelation) molding technology, a fuse protector is arranged in the cavity of the shell, and a grounding vacuum interrupter is fixedly sealed in the shell. According to the scheme disclosed by the utility model, the grounding vacuum interrupter is directly and fixedly sealed in the solid insulation shell, so that the fuse tube is free from the influences of an external environment, as the vacuum interrupter is grounded, a vacuum state is realized during opening and closing in grounding, so that the grounding is safe and reliable. The utility model further discloses a switch cabinet.
Description
Technical field
The utility model relates to the electric power system equipment for power transmission and distribution, relates in particular to a kind of switch cubicle that adopts the fuse unit of solid insulation and be equipped with this fuse unit.
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.
Fuse unit is crucial parts in the high-tension switch cabinet, and its performance can directly influence the fail safe of high-tension switch cabinet operation.Therefore, if a kind of miniaturization can be provided, environmental protection, good, the long service life of sealed insulation performance, grounding system is reliable, is easy to the fuse unit of dismounting and change, is that switch cubicle is needed.
Summary of the invention
The main purpose of the utility model is to the prior art defective a kind of fuse unit of solid insulation to be provided.
Another purpose of the utility model provides a kind of good insulation preformance, the less switch cubicle of volume.
To achieve these goals; The fuse unit that the utility model provides comprises having uncovered housing and cover said uncovered lid, and housing is the solid insulation housing that has cavity that is formed by the cast of used for epoxy resin APG forming technique; Fuse; Place in the cavity of housing, the ground connection vacuum interrupter is admittedly be encapsulated in the said housing.
Visible by above scheme, the ground connection vacuum interrupter of the utility model directly is encapsulated in the solid insulation housing admittedly, and its insulation property are avoided the influence of external environment, adopts vacuum interrupter to come ground connection, makes ground connection closing, timesharing all be in vacuum state, and grounding safety is reliable.
Particularly, the b electric conductor is used to realize being electrically connected of fuse and ground connection vacuum interrupter, and the b electric conductor is encapsulated in the housing admittedly, makes the stable insulation of fuse unit, has guaranteed stable electrical connection, and has reduced production process, has practiced thrift production cost.
Particularly, the rubber sleeve sealing is adopted in uncovered junction with lid, has guaranteed the sealing effectiveness of fuse unit at open-mouth.
The switch cubicle that the utility model provides comprises: framework; Fuse unit comprises having uncovered housing and cover this uncovered lid, and housing is the solid insulation housing that has cavity that is formed by the cast of used for epoxy resin APG forming technique; Fuse; Place in the cavity of housing, the ground connection vacuum interrupter is admittedly be encapsulated in the housing.
Visible by above scheme; The ground connection vacuum interrupter of the utility model switch cubicle directly is encapsulated in the solid insulation housing admittedly, and its insulation property are avoided the influence of external environment, adopts vacuum interrupter to come ground connection; Make ground connection closing, timesharing all be in vacuum state, grounding safety is reliable.Simultaneously, make the volume of switch cubicle reduce significantly.
Particularly, at least 1 road inlet wire ring main unit and 1 tunnel outlet ring main unit, fuse unit places the outlet ring main unit, has guaranteed the safety of outlet ring main unit.
Particularly, the rubber sleeve sealing is adopted in uncovered junction with lid, has guaranteed the sealing effectiveness of fuse unit at open-mouth.
Particularly, the b electric conductor is used to realize being electrically connected of fuse and ground connection vacuum interrupter, and the b electric conductor is encapsulated in the housing admittedly, makes the fuse unit stable insulation of switch cubicle, has guaranteed stable electrical connection, and has reduced production process, has practiced thrift production cost.
More particularly, the pole that band is isolated, it comprises vacuum load switch and isolating switch; Be with the pole of isolating to comprise and form the solid insulation body by the cast of used for epoxy resin APG forming technique; Vacuum load switch is encapsulated in the body admittedly, the pole that band is isolated be positioned at vacuum load switch below have leading-out terminal, fuse unit has the link that is connected with leading-out terminal; Rubber sleeve is adopted in the junction of link and leading-out terminal, and double threaded screw is tightly connected with the insulation plug.The mode that is tightly connected of vacuum load switch and fuse unit has been avoided the influence to the switch cubicle insulation property such as running environment dust, moisture, humidity, filth, condensation, high height above sea level, toy.
More specifically, a electric conductor, a electric conductor are encapsulated in the housing admittedly, and an end of a electric conductor is electrically connected with fuse, and the other end of a electric conductor has internal thread; C electric conductor, c electric conductor are encapsulated in the body admittedly, and an end of c electric conductor is electrically connected with vacuum load switch, and the other end of c electric conductor has installing hole; The other end of a electric conductor is electrically connected with the other end of c electric conductor.A, c electric conductor are encapsulated in housing and the body respectively admittedly, have reduced production process, have practiced thrift production cost.
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 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).The A, B, the C three phase bus system that connect inlet wire ring main unit 12 and outlet ring main unit 13 in addition.
Referring to Fig. 3, switch cubicle 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 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 between connection contact 332 and fixed contact 333 and accomplishes the closing of isolating switch 33, separating brake.Vacuum load switch 32 comprises upper contact head 321 and following contact 322.Insulated tension pole 35 control upper contact heads 321 are realized the closing of vacuum load switchs 32, separating brake, and upper contact head 321 is with 34 to be connected with connection contact 332 through being flexible coupling, and then being electrically connected of realization and isolating switch 33.
The pole 3 that band is isolated is provided with leading-out terminal 311 below vacuum load switch 32, be used for being connected with the link 29 of fuse unit 2, and referring to Fig. 4, Fig. 4 is the A partial enlarged drawing of Fig. 3, has shown the annexation of leading-out terminal 311 with link 29.Leading-out terminal 311 adopts rubber sleeve 4 with the junction of link 29, and double threaded screw 52 seals, is connected with insulation plug 5.Leading-out terminal 311 is the upper and lower opening tubular structure.The upper/lower terminal inboard of leading-out terminal 311 is provided with rubber sleeve 4, and when link 29 was connected with leading-out terminal 311, link 29 inserted the under shed of leading-out terminal 311; Push the rubber sleeve 4 of this end; Double threaded screw 52 1 ends insert from the upper shed of leading-out terminal 311, pass the installing hole of c electric conductor 36, are connected with the internal thread of a electric conductor 24; Insulation plug 5 inside are installed with inserts nut 51; Insulation plug 5 inserts from the upper shed of leading-out terminal 311, and extruding is positioned at the rubber sleeve 4 of this end, and nut 51 is fastenedly connected with the other end of double threaded screw 52.Thereby realization leading-out terminal 311 is electrically connected with link 29, has also guaranteed junction and extraneous electric insulation.The pole 3 that band is isolated is provided with end of incoming cables 313 at the lower position of isolating switch 33, supplies to connect A phase bus or B phase bus or C phase bus (referring to Fig. 1) and uses.
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 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.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 example with C phase bus, and 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.Bus connector 75 comprises d electric conductor 751 and the shell 752 with column through hole 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.One end of d electric conductor 751 has a connecting hole 7511 (referring to Figure 11), is used for being connected with screw mandrel 71.Screw mandrel 71 connects the column through hole connecting portion of the bus connector 75 of 2 buses 7 in the middle of being arranged in; Seal with extruding rubber sleeve 74 in the junction; In the column through hole connecting portion of the bus connector 75 of both sides except sealing with extruding rubber sleeve 74, the end through insulation plug 76 shutoff buses 7 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 connecting hole 7511 (referring to Figure 11), thereby makes bus 7 lockings.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 solid insulation switch cabinet 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 (9)
1. fuse unit comprises having uncovered housing and cover said uncovered lid;
It is characterized in that:
Said housing is the solid insulation housing that has cavity that is formed by the cast of used for epoxy resin APG forming technique;
Fuse places in the cavity of said housing;
The ground connection vacuum interrupter is admittedly be encapsulated in the said housing.
2. fuse unit according to claim 1 is characterized in that:
The b electric conductor is used to realize being electrically connected of said fuse and said ground connection vacuum interrupter;
Said b electric conductor is encapsulated in the said housing admittedly.
3. according to any described fuse unit of claim 1 to 2, it is characterized in that:
The rubber sleeve sealing is adopted in said junction uncovered and said lid.
4. switch cubicle comprises:
Framework;
Fuse unit, said fuse unit comprise having uncovered housing and cover said uncovered lid;
It is characterized in that:
Said housing is the solid insulation housing that has cavity that is formed by the cast of used for epoxy resin APG forming technique;
Fuse places in the cavity of said housing;
The ground connection vacuum interrupter is admittedly be encapsulated in the said housing.
5. switch cubicle according to claim 4 is characterized in that:
At least 1 road inlet wire ring main unit and 1 tunnel outlet ring main unit, said fuse unit places said outlet ring main unit.
6. switch cubicle according to claim 4 is characterized in that:
The rubber sleeve sealing is adopted in said junction uncovered and said lid.
7. switch cubicle according to claim 4 is characterized in that:
The b electric conductor is used to realize being electrically connected of said fuse and said ground connection vacuum interrupter;
Said b electric conductor is encapsulated in the said housing admittedly.
8. according to any described switch cubicle of claim 4 to 7, it is characterized in that:
The pole that band is isolated; It comprises vacuum load switch and isolating switch; The pole that said band is isolated comprises by the cast of used for epoxy resin APG forming technique and forms the solid insulation body; Said vacuum load switch is encapsulated in the said body admittedly, the pole that said band is isolated be positioned at said vacuum load switch below have leading-out terminal;
Said fuse unit has the link that is connected with said leading-out terminal;
Rubber sleeve is adopted in the junction of said link and said leading-out terminal, and double threaded screw seals, is connected with the insulation plug.
9. switch cubicle according to claim 8 is characterized in that:
The a electric conductor, said a electric conductor is encapsulated in the said housing admittedly, and an end of said a electric conductor is electrically connected with said fuse, and the other end of said a electric conductor has internal thread;
The c electric conductor, said c electric conductor is encapsulated in the said body admittedly, and an end of said c electric conductor is electrically connected with said vacuum load switch, and the other end of said c electric conductor has installing hole;
The other end of said a electric conductor is electrically connected with the other end of said c electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514272U CN202384284U (en) | 2011-12-23 | 2011-12-23 | Fuse tube and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514272U CN202384284U (en) | 2011-12-23 | 2011-12-23 | Fuse tube and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384284U true CN202384284U (en) | 2012-08-15 |
Family
ID=46632769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205514272U Withdrawn - After Issue CN202384284U (en) | 2011-12-23 | 2011-12-23 | Fuse tube and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384284U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| WO2013091444A1 (en) * | 2011-12-23 | 2013-06-27 | 珠海康晋电气有限公司 | Embedded pole capable of isolation and switch cabinet |
| CN104577857A (en) * | 2014-12-18 | 2015-04-29 | 珠海康晋电气有限公司 | Fully-insulated and fully-sealed solid-cabinet fuse tube |
| RU2642838C2 (en) * | 2016-04-25 | 2018-01-29 | Валерий Иванович Сафонов | High-voltage contact unit of vacuum breaker and disconnect switch |
| CN111917016A (en) * | 2020-08-12 | 2020-11-10 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
-
2011
- 2011-12-23 CN CN2011205514272U patent/CN202384284U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| WO2013091444A1 (en) * | 2011-12-23 | 2013-06-27 | 珠海康晋电气有限公司 | Embedded pole capable of isolation and switch cabinet |
| CN102427011B (en) * | 2011-12-23 | 2014-01-22 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| CN104577857A (en) * | 2014-12-18 | 2015-04-29 | 珠海康晋电气有限公司 | Fully-insulated and fully-sealed solid-cabinet fuse tube |
| RU2642838C2 (en) * | 2016-04-25 | 2018-01-29 | Валерий Иванович Сафонов | High-voltage contact unit of vacuum breaker and disconnect switch |
| CN111917016A (en) * | 2020-08-12 | 2020-11-10 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20140122 |
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| RGAV | Abandon patent right to avoid regrant |