CN108767726A - A kind of 40.5kV switch apparatus systems - Google Patents
A kind of 40.5kV switch apparatus systems Download PDFInfo
- Publication number
- CN108767726A CN108767726A CN201810842867.XA CN201810842867A CN108767726A CN 108767726 A CN108767726 A CN 108767726A CN 201810842867 A CN201810842867 A CN 201810842867A CN 108767726 A CN108767726 A CN 108767726A
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- Prior art keywords
- connector
- room
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- rod
- outer end
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of 40.5kV switch apparatus systems, including switchgear, the control rooms the switchgear Fen You, handcart room, feeder line room and bus-bar room, the feeder line room is arranged above bus-bar room, the handcart room is arranged on the left of feeder line room and bus-bar room, the control room is arranged in the handcart room upper left corner, it is provided with breaker assembly in the handcart room, upper conductive contact on the breaker assembly and the upper contact head boxlike current transformer for being arranged in feeder line room are exported and are connected, the entrance of the upper contact head boxlike current transformer is connect by earthing switch with upper branch bus connector；Lower conductive contact on the breaker assembly is connect with the lower contact box current transformer outlet connection in bus-bar room, the lower contact box current transformer entrance is arranged with lower branch bus connector；The breaker assembly includes vehicle frame, vacuum interrupter, operating mechanism, connection insulated tension pole and insulation brace rod.
Description
Technical field
The present invention relates to high-tension switch gear technical fields, and in particular to a kind of 40.5kV switch apparatus systems.
Background technology
Switch device cabinet bodies are for placing switchgear, the bad mechanical strength of switch device cabinet bodies in the prior art, and
And the magnetic circuit due to generating magnetic field when main bus-bar is through-flow, cause eddy-current loss larger, the safety of switchgear operation is poor.?
The 40.5kV switches of altitude environment installation require higher to the insulation performance of equipment, need more reasonably to be laid out.Electric current therein
Mutual inductor installation position is not reasonable, and current transformer is arranged on the cabinet mostly in the prior art, however space in cabinet
Limited, the loading of current transformer, which can compress space in cabinet, causes other electric elements installation spaces more narrow.
In existing insulated switch cabinet, in order to enable vacuum circuit breaker easily to realize, propulsion and exit function (push away
Into referring to being advanced to operating position from testing position, it refers to being withdrawn into testing position from operating position to exit), it is general to use one
Chassis vehicle carries vacuum circuit breaker, and the driving wheel by being installed on chassis vehicle move ahead on the track in switchgear or after
It moves back.To realize movement of the chassis vehicle in switchgear, lead screw can be set on a chassis, and being arranged one on lead screw is fixed on sole
On screw, by taper knob upper screw rod end, rotary screw rod makes screw that sole be driven to be moved forward and backward, to realize breaker
It the propulsion of chassis vehicle and exits.
The spring of contact when due to circuit-breaker switching on-off, seriously affects the break performance of breaker, and influences breaker point
The factor of closing rebound mainly has：The rigidity of the quality of moving component, speed, contact pressure and insulated tension pole.It uses at present
Insulated tension pole it is generally rigid, will produce bullet by a relatively large margin in moment and the rigidly connected contact of insulated tension pole of divide-shut brake
It jumps, seriously affects the break performance of breaker.
It is concentrated mainly on arc-chutes disconnection and closure moment since breaker generates electric discharge, is disconnected in the arc-chutes of breaker
With closure moment, insulated tension pole is easy failure of insulation, leads to safety accident.Especially plateau particular surroundings, to breaker
Insulation performance require higher.
In addition, existing insulated tension pole is according to practical installation and trial needs, it has not been convenient to which adjustment length, what is had can adjust length
Degree, when the opposite locking that can not be locked between insulating bar and connector causes in the process of running, insulated tension pole will appear length change
Change, to influence effective control to arc-chutes.
Invention content
The purpose of the present invention is to overcome the shortage of prior art, and provides a kind of 40.5kV switch apparatus systems, solves
Space is limited interior in cabinet, and each switchgear arrangement is unreasonable, leads to space waste, installation inconvenience and insulation effect are not
Good problem,
Otherwise address insulated tension pole disconnects in the arc-chutes of breaker and is closed moment, and insulated tension pole is easy failure of insulation,
The problem of causing safety accident to occur.
Although and solve existing insulated tension pole and have the function of length adjustment, when adjusting elongation by lead screw, length without
Method locks, and is easy to make insulated tension pole using process, insulated tension pole will appear length variation, to influence to the effective of arc-chutes
Control problem.
The present invention is achieved through the following technical solutions：
A kind of 40.5kV switch apparatus systems, including switchgear, the control rooms the switchgear Fen You, handcart room, feeder line room
And bus-bar room, the feeder line room are arranged above bus-bar room, the handcart room is arranged on the left of feeder line room and bus-bar room, the instrument
The setting of table room is provided with breaker assembly in the handcart room upper left corner, the handcart room, the upper conduction on the breaker assembly
Connector and the upper contact head boxlike current transformer being arranged in feeder line room export connection, and the upper contact head boxlike current transformer enters
Mouth is connect by earthing switch with upper branch bus connector；
Lower conductive contact on the breaker assembly and it is arranged in the lower contact box current transformer outlet of bus-bar room
Connection, the lower contact box current transformer entrance are connect with lower branch bus connector；
The breaker assembly includes vehicle frame, vacuum interrupter, operating mechanism, connects insulated tension pole and insulation brace rod,
Be fixed with upper and lower two layers of insulator in the stand of the vehicle frame, the vacuum interrupter upper end by upper wire outlet seat be located at
The insulator on upper layer is connected, and the vacuum interrupter lower end is connected by lower wire outlet seat with the insulator positioned at lower layer, the behaviour
Motivation structure is arranged in the stand of vehicle frame, and operating mechanism is connected by connecting the moving conductive rod of insulated tension pole and vacuum interrupter and being driven
It connects；It is fixedly connected by insulation brace rod between upper wire outlet seat and lower wire outlet seat.
A kind of 40.5kV switch apparatus systems of the present invention, the upper contact head boxlike Current Mutual Inductance of this 40.5 plateau type switchgear
Device is arranged between the upper contact head and feeder line room of breaker, rationally distributed.Feeder line room is located at cabinet back upper place, and earthing switch is set
It sets in feeder line room, space availability ratio is high.Using novel plateau type breaker, breaker is equipped with insulated tension pole and insulation is supportted
Bar, increases the insulation performance of breaker, and increases creepage distance.Each phase branch bus is cased with silicon rubber bus casing, optimization
Surrounding electric field, is not likely to produce electric discharge.Partition board and the detail assembly panel for having electric current to pass through are by non-magnetic stainless steel material system
At can prevent the generation of vortex phenomenon, cabinet is avoided to cross heat affecting equipment operational safety.
Further, the connection insulated tension pole includes connection insulated tension pole body, the first connector and the second connector, institute
It states the first connector and is connected with insulated tension pole body threaded one end is connect, the connection insulated tension pole body other end is muff joint,
It is equipped with hickey in the bottom end of muff joint, muff joint, which is externally provided with, adjusts full skirt set；Second connector includes inner end
Connector and outer end connector, inner end connector one end is equipped with to be connect with the threaded adjusting of hickey mutual cooperation connection
Head, the inner end connector other end are connect with outer end connector elastic telescopic；
In outer end, the outer end of connector is arranged with mobile adjustment disk, around equipped with multiple mobile tune on mobile adjustment disk
Pole, corresponding with mobile adjusting rod on adjusting the corresponding muff joint of full skirt set to be equipped with adjustment hole, mobile adjusting rod passes through
Adjustment hole is arranged with triangle-pole rack device in mobile adjusting rod outer end, port sealing cap part is equipped on muff joint port.
Further, the inner end connector other end is equipped with branch sleeve, and the bottom end in branch sleeve is equipped with flower
Key sleeve sections, the outer end connector are rod-like structure, and outer end connector one end is equipped with and the matched spline of splined sleeve section
Shaft part, the outer end connector other end are equipped with STATEMENT OF FEDERALLY SPONSORED connector, and outer end connector is plugged in splined sleeve by splined shaft section
In section, the first spring is installed on the inside of splined shaft section between branch sleeve bottom, the outer end connection on the outside of splined shaft section
It is arranged with second spring on head, second spring is encapsulated in branch sleeve by being equipped with screw thread sealing cap in branch sleeve port
It is interior.
Further, the upper wire outlet seat is connected with conductive contact, and lower wire outlet seat is connected with lower conductive contact；On described
It is equipped with insulating boot on wire outlet seat and lower wire outlet seat.
Further, the insulation brace rod includes insulation brace rod body, and height is respectively equipped in insulation brace rod body upper and lower ends portion
Short staggeredly full skirt.
Further, the triangle-pole rack device includes upper strut, lower supporting rod and sliding connection block, the upper strut bottom
End is hinged on sliding connection block, and the lower supporting rod upper end is hinged on sliding connection block, and the sliding connection block is slidably connected
In mobile adjusting rod outer end；The upper strut upper end is equipped with camber bracer.
Further, third spring, the mobile adjusting are arranged on the second connector on the inside of the mobile adjustment disk
It is arranged with the 4th spring on the second connector on the outside of disk.
Further, it is square rod segment that the port sealing cap part, which is installed on corresponding outer end connector, port sealing cap part with
The cooperation of square rod segment is square hole, and the outer ring surface of the port sealing cap part is bolted on the port surface of muff joint.
Further, the mobile adjusting rod lower end is movably arranged on mobile adjustment disk；The connection insulated tension pole body
Anchor ring be equipped with multiple full skirts.
Further, dehumidification device is equipped in the bus-bar room.
Compared with prior art, the present invention having the following advantages and advantages：
1, the upper contact head boxlike electric current of a kind of 40.5kV switch apparatus systems of the present invention, this 40.5 plateau type switchgear is mutual
Sensor is arranged between the upper contact head and feeder line room of breaker, rationally distributed.Feeder line room is located at cabinet back upper place, and earthing switch
It is arranged in feeder line room, space availability ratio is high.Using novel plateau type breaker, breaker is equipped with insulated tension pole and insulation is supportted
Bar, increases the insulation performance of breaker, and increases creepage distance.Each phase branch bus is cased with silicon rubber bus casing, optimization
Surrounding electric field, is not likely to produce electric discharge.Partition board and the detail assembly panel for having electric current to pass through are by non-magnetic stainless steel material system
At can prevent the generation of vortex phenomenon, cabinet is avoided to cross heat affecting equipment operational safety.
2, a kind of 40.5kV switch apparatus systems of the present invention, by being supportted in vacuum interrupter, connection insulated tension pole and insulation
Upgrading is carried out on bar in insulation function to improve to be applicable in altitude environment, vacuum extinction chamber surface is equipped with silicon rubber, increases open circuit
The insulation performance of device, and increase its creepage distance.This breaker has very strong self-cleaning dirty ability, avoids the heap of dust
Product, influences its insulation performance.This breaker performance meets high altitude localities requirement.
3, a kind of 40.5kV switch apparatus systems of the present invention, the second connector by that will connect insulated tension pole are designed to stretch
Shrinking structure, the generally flexible tension structure of the insulated tension pole used, rigidly connects in the moment of divide-shut brake with insulated tension pole
The contact connect avoids the spring generated by a relatively large margin, the smaller break performance for influencing breaker；
4, a kind of 40.5kV switch apparatus systems of the present invention, by the way that the second connector is designed to stretching structure, second
Relative to inner end connector telescopic process, the mobile adjustment disk on the connector of outer end, which synchronizes, to be moved for outer end connector on connector
It is dynamic, around equipped with the multiple mobile adjusting rods also synchronous triangle-pole for pulling the reversed side of inner end connector on mobile adjustment disk
Rack device opens, and increases creep distance to make adjusting full skirt set moment open；The arc-chutes that insulated tension pole is solved in breaker are disconnected
The problem of moment is closed in open and close, and insulated tension pole is easy failure of insulation, safety accident is caused to occur；
5, a kind of 40.5kV switch apparatus systems of the present invention, the port sealing cap part installation by that will connect insulated tension pole correspond to
Outer end connector on be square rod segment, the cooperation of port sealing cap part and square rod segment is square hole, the port sealing cap part it is outer
Anchor ring is bolted on the port surface of muff joint, to make the second connector that can only do flexible fortune in muff joint
It is dynamic, and cannot rotate, making insulated tension pole, length variation can or can not occur in insulated tension pole using process, influence to going out
Effective control of arc chamber；
6, a kind of 40.5kV switch apparatus systems of the present invention, the second connector pass through hickey with insulated tension pole body is connect
Cooperate the threaded adjusting connector connection connected, so as to adjust the installation length of the second connector, convenient for according to difference
Installation situation adjust insulating pull rod for breaker entire length；Second connector is realized by two positions and connect insulation drawing
The body of rod connects, one be hickey and threaded adjusting joint connection, be in addition exactly to move adjustment disk and port sealing cap part
Between limit connection, to which the stretching for substantially increasing the structural relation that existing insulating pull rod for breaker can only connect at one is strong
Degree, improves the use quality of insulating pull rod for breaker.
7, a kind of 40.5kV switch apparatus systems of the present invention, by by the insulation brace rod body upper and lower ends part of insulation brace rod
Not She You height interlock full skirt,；The height full skirt that interlocks can increase the creep distance of insulation brace rod, and the height full skirt that interlocks is respectively provided at
Lower both ends prevent the middle part of insulation brace rod and protrusion distance in the middle part of vacuum interrupter close to leading to full skirt failure of insulation.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is a kind of main structure diagram of 40.5kV switch apparatus systems of the present invention；
Fig. 2 is a kind of side structure schematic view of 40.5kV switch apparatus systems of the present invention；
Fig. 3 is the side structure schematic view of breaker assembly of the present invention；
Fig. 4 is the main structure diagram of breaker assembly of the present invention；
Fig. 5 is the structural schematic diagram of present invention connection insulated tension pole；
Fig. 6 is the structural schematic diagram of the second connector of the invention；
Fig. 7 is the structural schematic diagram of inner end connector of the present invention；
Fig. 8 is the structural schematic diagram of outer end connector of the present invention；
Fig. 9 is that triangle-pole rack device of the present invention covers matched structural schematic diagram with full skirt is adjusted；
Label and corresponding parts title in attached drawing：1- connection insulated tension pole bodies, the first connectors of 2-, the connections of 3- second
Head；4- muff joints, 5- hickeys, 6- adjust full skirt set；The inner ends 7- connector, the outer ends 8- connector, 9- threaded adjustings connect
Head；10- branch sleeves, 11- splined sleeve sections, 12- splined shaft sections；13- STATEMENT OF FEDERALLY SPONSORED connectors, the first springs of 14-, the second bullets of 15-
Spring；16- screw thread sealing caps, 17- move adjustment disk, and 18- moves adjusting rod；19- adjustment holes, 20- triangle-pole rack devices, the ends 21-
Mouth sealing cap part；The upper struts of 22-, 23- lower supporting rods, 24- sliding connection blocks；25- camber bracers, 26- third springs, the 4th bullets of 27-
Spring；28- square rod segments, 29- bolts, 30- full skirts；31- vehicle frames, 32- vacuum interrupters, 33- operating mechanisms；34- connections are insulated
Pull rod, 35- insulation brace rods, 36- stands；37- insulators, the upper wire outlet seats of 38-, wire outlet seat under 39-；The upper conductive contacts of 40-, 41-
Lower conductive contact, 42- insulation brace rod bodies；43- height interlocks full skirt, 44- insulating boots, 45- switchgears, the control rooms 46-, 47- hands
Car room, 48- feeder lines room, 49- bus-bar rooms, 50- upper contact head boxlike current transformers, 51- earthing switches, the upper branch bus connectors of 52-,
Contact box current transformer under 53-, branch bus connector under 54-, 55- dehumidification devices, 56- intermediate membranes, 57- bus-bar rooms every
Plate.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in figs 1-9, a kind of 40.5kV switch apparatus systems of the present invention, including switchgear 45, the switchgear 45 divide
There are control room 46, handcart room 47, feeder line room 48 and bus-bar room 49, the feeder line room 48 to be arranged above bus-bar room 49, the hand
In 49 left side of feeder line room 48 and bus-bar room, the control room 46 is arranged in 47 upper left corner of handcart room, the handcart setting of car room 47
It is provided with breaker assembly in room 47, the upper conductive contact 40 on the breaker assembly and the upper contact head in feeder line room 48 is set
The outlet of boxlike current transformer 50 connection, the entrance of the upper contact head boxlike current transformer 50 pass through earthing switch 51 and upper branch
Busbar joint 52 connects；Lower conductive contact 41 on the breaker assembly and the lower contact case type electric current in bus-bar room 49 is set
The outlet of mutual inductor 53 connection, 53 entrance of lower contact box current transformer are connect with lower branch bus connector 54.
Upper contact head boxlike current transformer 50, upper branch bus connector 52, earthing switch 51 are mounted in feeder line room, and upper branch is female
Wire terminal 52 is mounted on 48 top of feeder line room by outlet casing tube mounting plate；Lower contact box current transformer 53, lower branch
Busbar joint 54 (including main bus-bar and lower branch bus) and lower 54 insulating sleeve of branch bus connector of installation, dehumidification device 55 are pacified
In bus-bar room 49, bus casing mounting plate is located on 49 side wall of bus-bar room for installing lower branch bus connector 54；Breaker
On circuit breaker cart, circuit breaker cart is removable to be pushed into handcart room 47；Control room 46 is located at top before switchgear 45.
Earthing switch 51 is fixed in the intermediate membrane 56 of switchgear 45,50,53 points of upper and lower contact box current transformer
It cabinet intermediate membrane 56 and Chuan Guo not be fixed in cabinet intermediate membrane 56, bus-bar room partition board 57 is to upper and lower contact case type electric current
Mutual inductor 50,53 plays a supportive role, and upper and lower static contact is separately installed in upper and lower contact box current transformer 50,53, on
In static contact it is each mutually by be flexible coupling it is corresponding with earthing switch 51 be connected, branch bus is worn in each phase fed out from earthing switch 51
Corresponding phase outlet casing tube is crossed, outlet casing tube is mounted on 48 top of feeder line room, and outlet casing tube mounting plate is located at 48 top of feeder line room；Phase
Feeder line room 48 to the right is arranged below bus-bar room 49, the present invention sets feeder line room 48 and mating upper branch bus connector 52
It sets above, the installation convenient for global switch and cabling can effectively save the occupied space of switchgear 45.
Circuit breaker cart enters cabinet, after breaker open operation, circuit breaker cart can in cabinet testing position and working position
It is moved forward and backward between setting, can be powered when breaker is in after operating position is closed a floodgate；Under each phase branch bus one end under corresponding phase
Static contact connects, and another to be connected on the main bus-bar of corresponding phase, main bus-bar passes through loaded on the mother on cabinet bus casing mounting plate
Thread casing is through in adjacent switch equipment cabinet body；Control room is located at top before cabinet, and built-in low-pressure secondary control element is used for
The state of each primary element in monitoring switch equipment.Upper branch bus, lower branch bus, be flexible coupling all is cased with insulating sleeve outside.Busbar
Casing mounting plate, outlet casing tube mounting plate, intermediate membrane 56, bus-bar room partition board 57 are made of non-magnetic stainless steel plate.
After circuit breaker cart is in cabinet operating position and breaker closing, three phase mains is set from adjacent either side switch
It is standby to be introduced in this switchgear through each phase bus casing, it is overlapped respectively to lower contact box current transformer by lower branch bus per phase
Lower static contact in 53, the current-carrying part through circuit breaker polar, lead to upper static contact in upper contact head boxlike current transformer 50,
Earthing switch 51, upper branch bus, are finally fed out by outlet casing tube, downward first order load power supply.The element configured in control room 46
For monitoring the state with each primary element in operation-control switch equipment.
As shown in Figure 3-4, breaker assembly includes vehicle frame 31, vacuum interrupter 32, operating mechanism 33, connection insulated tension pole
34 and insulation brace rod 35, upper and lower two layers of insulator 37 is fixed in the stand 36 of the vehicle frame 31, vehicle frame 31 includes stand
36 and chassis vehicle, in order to enable vacuum circuit breaker easily to realize, (propulsion refers to being pushed away from testing position for propulsion and exit function
Operating position is entered, it refers to being withdrawn into testing position from operating position to exit), vacuum circuit breaker is carried using chassis vehicle, and
It is taken turns by the driving installed on chassis vehicle and moves ahead or retreat on the track in switchgear.32 upper end of the vacuum interrupter is logical
Wire outlet seat 38 is crossed with positioned at the insulator 37 on upper layer to be connected, 32 lower end of the vacuum interrupter by lower wire outlet seat 39 be located at
The insulator 37 of lower layer is connected, and according to different electric phases, three sets of vacuum interrupters 32 is generally arranged on a set of vehicle frame 31 or four sets true
Empty arc-chutes 32, the operating mechanism 33 are arranged in the stand 36 of vehicle frame 31, and operating mechanism 33 is by connecting insulated tension pole 34
It is sequentially connected with the moving conductive rod of vacuum interrupter 32；It is fixed by insulation brace rod 35 between upper wire outlet seat 38 and lower wire outlet seat 39
Connection.Vacuum interrupter 32 is constituted including determining conducting rod, running cambered surface, fixed contact, moving contact, dynamic race cambered surface, moving conductive rod surely
The conducting system of arc-chutes.Wherein determine conducting rod, run cambered surface, fixed contact surely and be collectively referred to as fixed electrode, moving contact dynamic run cambered surface, dynamic leads
Electric pole is collectively referred to as moving electrode, the vacuum circuit breaker being assembled by vacuum interrupter 32, and vacuum load switch and vacuum contactor close a floodgate
When, operating mechanism 33 makes two contact closures by the movement of moving conductive rod, completes the connection of circuit.In order to make between two contacts
Contact resistance reduce as far as possible and keep stablize and arc-chutes bear there is good mechanical strength, vacuum to open when dynamic current
It closes and moving conductive rod one end is provided with guide sleeve, and use one group of compressed spring, there are one rated pressures for holding between making two contacts.
When vacuum switch breaking current, two contact of arc-chutes detaches and generates therebetween electric arc, until electric arc when electric current natural zero-crossing
Extinguish, just completes cut-offfing for circuit.Operating mechanism 33 is as the machine driving knot that the dynamic structure of breaker is comparative maturity
Structure, the present invention are not repeating.It is arranged with silicon rubber outside vacuum interrupter.
It includes connection insulated tension pole body 1, the first connector 2 and the second connector 3 to connect insulated tension pole 34, and connection insulation is drawn
The body of rod 1 is made using addition glass fiber material in PA66 enhancing nylon materials so that insulated tension pole toughness increases, and not only enhances
The mechanical strength of insulated tension pole, also efficiently solves electric field uneven phenomenon and extends the service life of insulated tension pole, together
When alleviate the weight of insulated tension pole.First connector 2 with connect the connection of 1 threaded one end of insulated tension pole body, the first connector 2 with
It can also realize that telescopic adjustment, 1 other end of connection insulated tension pole body are sleeve between connection insulated tension pole body 1 when mounted
Connector 4 is equipped with hickey 5 in the bottom end of muff joint 4, and muff joint 4, which is externally provided with, adjusts full skirt set 6.Muff joint 4 is set
Insulation protection can be played to the second connector 3 by setting.It adjusts full skirt set and full skirt is all made of silicon rubber preparation.
Second connector 3 include inner end connector 7 and outer end connector 8, described 7 one end of inner end connector be equipped with
The threaded adjusting connector 9 of the mutual cooperation connection of hickey 5,7 other end of inner end connector is equipped with branch sleeve 10, even
Bottom end in female connector cylinder 10 is equipped with splined sleeve section 11, and the outer end connector 8 is rod-like structure, 8 one end of outer end connector
Equipped with 11 matched splined shaft section 12 of splined sleeve section, 8 other end of outer end connector be equipped with STATEMENT OF FEDERALLY SPONSORED connector 13, outside
End connector 8 is plugged in by splined shaft section 12 in splined sleeve section 11, in 12 inside of splined shaft section and 10 bottom of branch sleeve
Between the first spring 14 is installed, second spring 15 is arranged on the outer end connector 8 in the outside of splined shaft section 12, by even
10 port of female connector cylinder is equipped with screw thread sealing cap 16 and second spring 15 is encapsulated in branch sleeve 10, and in outer end, connector 8 is outer
End sleeve is equipped with mobile adjustment disk 17, around multiple mobile adjusting rods 18 are equipped on mobile adjustment disk 17, is adjusting full skirt set 6
Corresponding with mobile adjusting rod 18 in corresponding muff joint 4 to be equipped with adjustment hole 19, mobile adjusting rod 18 passes through adjustment hole 19,
18 outer end of mobile adjusting rod is arranged with triangle-pole rack device 20, and port sealing cap part 21 is equipped on 4 port of muff joint.
The present invention connects insulated tension pole 34, and by the way that the second connector is designed to stretching structure, the insulated tension pole used is whole
Body is flexible tension structure, and generation larger amplitude is avoided in moment and the rigidly connected contact of insulated tension pole of divide-shut brake
The spring of degree, the smaller break performance for influencing breaker；By the way that the second connector is designed to stretching structure, in the second connector
On outer end connector relative to inner end connector telescopic process, the mobile adjustment disk synchronizing moving on the connector of outer end is moving
Around equipped with the multiple mobile adjusting rods also synchronous triangle-pole rack device for pulling the reversed side of inner end connector on dynamic adjustment disk
It opens, increases creep distance to make adjusting full skirt set moment open；Solve arc-chutes disconnected open and close of the insulated tension pole in breaker
The problem of conjunction moment, insulated tension pole is easy failure of insulation, safety accident is caused to occur；
The triangle-pole rack device 20 includes upper strut 22, lower supporting rod 23 and sliding connection block 24, the upper strut 22
Bottom end is hinged on sliding connection block 24, and 23 upper end of the lower supporting rod is hinged on sliding connection block 24, the sliding connection block
24 are slidably connected at 18 outer end of mobile adjusting rod.22 upper end of upper strut is equipped with camber bracer 25.
Camber bracer 25 on multiple upper struts 22 can surround a circular ring structure, adjusting full skirt set easy to support in this way
6 expansion increase electric creep distance.When mobile adjusting rod 18 move to side, the triangle-pole rack device 20 of the side with regard to it is unfolded (on
Angle between strut 22, lower supporting rod 23 becomes larger) support adjusts full skirt set 6 and expands, and move the triangle of 18 other side of adjusting rod
Brace rod rack device 20 is not due to having thrust that will shrink (upper angle between strut 22, lower supporting rod 23 becomes smaller).Sliding connection block
24 can slide up and down in mobile 18 outer end of adjusting rod, and due to when triangle-pole rack device 20 struts, lower supporting rod 23 can be by
Gradually vertical, to force sliding connection block 24 to move up, otherwise triangle-pole rack device 20 can not be unfolded.
It is arranged with third spring 26, the mobile adjustment disk 17 on second connector 3 of 17 inside of the mobile adjustment disk
It is arranged with the 4th spring 27 on second connector 3 in outside.First spring 14, second spring 15, third bullet 26 and the 4th spring
27 4 springs are provided to the flexible reset that the second connector 3 is realized in cooperation, reduce the rigid of insulating bar.
The mobile adjustment disk 17 is threadedly coupled with outer end connector 8.Mobile adjustment disk 17 is designed to adjustment structure, is just
It is connected in mounted in pairing mode, because the position of mobile adjustment disk 17 needs installation corresponding with full skirt set 6 is adjusted, it is also necessary to third bullet
26 and 27 elastic spacing of the 4th spring blocking.
It is square rod segment 28, port sealing cap part 21 and side that the port sealing cap part 21, which is installed on corresponding outer end connector 8,
The cooperation of type rod segment 28 is square hole, and the outer ring surface of the port sealing cap part 21 is connected to the port of muff joint 4 by bolt 29
On face.A kind of 40.5kV switch apparatus systems of the present invention are by installing port sealing cap part 21 on corresponding outer end connector 8
Square rod segment 28, port sealing cap part 21 are square hole with the cooperation of square rod segment 28, and the outer ring surface of the port sealing cap part 21 passes through
Bolt 29 is connected on the port surface of muff joint 4, to make the second connector that can only do stretching motion in muff joint, and
It cannot rotate, make insulated tension pole using process, insulated tension pole length variation can or can not occurs, influence to arc-chutes
Effectively control.
18 lower end of mobile adjusting rod is movably arranged on mobile adjustment disk 17.The ring of the connection insulated tension pole body 1
Face is equipped with multiple full skirts 30.It can increase electric creep distance of the insulating bar in static process by multiple full skirts 30.
The present invention connects 34 creep distance increasing method of insulated tension pole, and when making extinguisher be closed, the second connector 3, connection are exhausted
Edge drag link body 1 and the first connector 2, which pass sequentially through thrust power conduction, makes extinguisher be closed, in extinguisher closing course, outside
Connector 8 is held to be moved to 7 direction of inner end connector, the mobile adjustment disk 17 on outer end connector 8 is synchronized to 7 side of inner end connector
To movement, around being equipped with, multiple mobile adjusting rods 18 are also synchronous to push 7 reversed side of inner end connector on mobile adjustment disk 17
Triangle-pole rack device 20 open, to make adjusting full skirt cover 6 moments open increase creep distance.
When making extinguisher disconnect, the second connector 3, connection insulated tension pole body 1 and the first connector 2 pass sequentially through tension
Power conduction makes extinguisher disconnect, and in extinguisher disconnection process, outer end connector 8 is moved relative to 7 negative direction of inner end connector
Dynamic, the mobile adjustment disk 17 on outer end connector 8 is synchronized to be moved to 7 negative direction of inner end connector, the ring on mobile adjustment disk 17
Being arranged with multiple mobile adjusting rods 18, also the synchronous triangle-pole rack device 20 for pulling 7 reversed side of inner end connector opens, from
And so that adjusting full skirt is covered 6 moments opening and increase creep distance.
34 creep distance increasing method of insulated tension pole is connected, by the way that the second connector is designed to stretching structure, in the second connection
Outer end connector on head is relative to inner end connector telescopic process, the mobile adjustment disk synchronizing moving on the connector of outer end,
Around rack-mounted equipped with the multiple mobile adjusting rods also synchronous triangle-pole for pulling the reversed side of inner end connector on mobile adjustment disk
Opening is set, increases creep distance to make adjusting full skirt set moment open；Solve insulated tension pole breaker arc-chutes disconnect and
The problem of closure moment, insulated tension pole is easy failure of insulation, safety accident is caused to occur.
Upper wire outlet seat 38 is connected with conductive contact 40, and lower wire outlet seat 39 is connected with lower conductive contact 41.Upper wire outlet seat 38
It is equipped with insulating boot 44 on lower wire outlet seat 39.
Insulation brace rod 35 includes insulation brace rod body 42, and being respectively equipped with height in 42 upper and lower ends portion of insulation brace rod body interlocks umbrella
Skirt 43.Interlocked full skirt by the way that the insulation brace rod body upper and lower ends portion of insulation brace rod is respectively equipped with height；Height interlocks full skirt can
To increase the creep distance of insulation brace rod, the height full skirt that interlocks is respectively provided at upper and lower ends portion, prevents middle part and the vacuum of insulation brace rod
Protrusion distance is close to leading to full skirt failure of insulation in the middle part of arc-chutes.
In upper and lower each three stands 36 for being fixed on vehicle frame 31 of insulator 37, upper wire outlet seat 38 and the insulation for being located at upper end
Son 37 is connected, and lower wire outlet seat 39 is connected with the insulator 37 positioned at lower end, and vacuum interrupter 32 goes out loaded on upper wire outlet seat 38 under
Between line seat 39, insulation brace rod 35, which is supported between wire outlet seat 38 and lower wire outlet seat 39, plays support reinforcing, and upper conduction connects
First 40 include that upper contact head and upper conducting rod, upper contact head are fixed on conducting rod, and upper conducting rod is connect with upper wire outlet seat 38, vacuum
32 lower conductive segment of arc-chutes is connect by conductive plate with lower conducting rod, and lower conductive contact 41 includes that lower conducting rod is touched with lower
Head, lower conducting rod are connected with lower contact, and conductive plate has both supporting role simultaneously, and vacuum interrupter 32 is by connecting insulated tension pole 34
It is mechanically connected with operating mechanism 33；It is respectively arranged with upper and lower insulating boot 44 on upper and lower wire outlet seat 38,39.
The course of work or occupation mode.
After circuit breaker cart is pushed to operating position, operating mechanism 33 is driven by connecting insulated tension pole 34 and other devices
Vacuum interrupter 32 closes a floodgate, electric current introduces through upper contact head, flows through wire outlet seat 38, upper conducting rod, 32 inner cavity of vacuum interrupter
Dynamic and static contact is fed out by conductive plate, lower conducting rod, lower contact to circuit or equipment, when experience fault trip or the inspection that need to have a power failure
When repairing equipment, operating mechanism 33 acts after receiving trip signal, and vacuum is moved by connecting insulated tension pole 34 and other device bands
32 separating brake of arc-chutes, so as to release the locking to circuit breaker cart, circuit breaker cart can retreat to testing position and complete follow-up work
Make.
A kind of 40.5kV switch apparatus systems of the present invention, the upper contact head boxlike Current Mutual Inductance of this 40.5 plateau type switchgear
Device is arranged between the upper contact head and feeder line room of breaker, rationally distributed.Feeder line room is located at cabinet back upper place, and earthing switch is set
It sets in feeder line room, space availability ratio is high.Using novel plateau type breaker, breaker is equipped with insulated tension pole and insulation is supportted
Bar, increases the insulation performance of breaker, and increases creepage distance.Each phase branch bus is cased with silicon rubber bus casing, optimization
Surrounding electric field, is not likely to produce electric discharge.Partition board and the detail assembly panel for having electric current to pass through are by non-magnetic stainless steel material system
At can prevent the generation of vortex phenomenon, cabinet is avoided to cross heat affecting equipment operational safety.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of 40.5kV switch apparatus systems, including switchgear (45), it is characterised in that：The switchgear (45) point has instrument
Room (46), handcart room (47), feeder line room (48) and bus-bar room (49), the feeder line room (48) are arranged above bus-bar room (49),
On the left of feeder line room (48) and bus-bar room (49), the control room (46) is arranged in handcart room (47) for handcart room (47) setting
The upper left corner is provided with breaker assembly in the handcart room (47), the upper conductive contact (40) on the breaker assembly with set
It sets the upper contact head boxlike current transformer (50) in feeder line room (48) and exports connection, the upper contact head boxlike current transformer (50)
Entrance connect with upper branch bus connector (52) by earthing switch (51)；
The lower contact box current transformer of lower conductive contact (41) on the breaker assembly and setting in bus-bar room (49)
(53) outlet connection, lower contact box current transformer (53) entrance are connect with lower branch bus connector (54)；
The breaker assembly include vehicle frame (31), vacuum interrupter (32), operating mechanism (33), connection insulated tension pole (34) and
Insulation brace rod (35), is fixed with upper and lower two layers of insulator (37) in the stand (36) of the vehicle frame (31), and the vacuum is gone out
Arc chamber (32) upper end is connected by upper wire outlet seat (38) with the insulator (37) positioned at upper layer, vacuum interrupter (32) lower end
It is connected with the insulator (37) positioned at lower layer by lower wire outlet seat (39), operating mechanism (33) setting is in the vertical of vehicle frame (31)
In frame (36), operating mechanism (33) is sequentially connected by connecting insulated tension pole (34) and the moving conductive rod of vacuum interrupter (32)；
It is fixedly connected by insulation brace rod (35) between upper wire outlet seat (38) and lower wire outlet seat (39).
2. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The connection insulated tension pole
(34) include connecting insulated tension pole body (1), the first connector (2) and the second connector (3), first connector (2) and company
The connection of insulated tension pole body (1) threaded one end is connect, connection insulated tension pole body (1) other end is muff joint (4), is connect in sleeve
The bottom end of head (4) is equipped with hickey (5), and muff joint (4), which is externally provided with, adjusts full skirt set (6)；Second connector (3) packet
Inner end connector (7) and outer end connector (8) are included, described inner end connector (7) one end is equipped with to cooperate with hickey (5)
The threaded adjusting connector (9) of connection, inner end connector (7) other end are connect with outer end connector (8) elastic telescopic；
In outer end, the outer end of connector (8) is arranged with mobile adjustment disk (17), more around being equipped on mobile adjustment disk (17)
A mobile adjusting rod (18), on adjusting full skirt set (6) corresponding muff joint (4) with mobile adjusting rod (18) are corresponding is equipped with
Adjustment hole (19), mobile adjusting rod (18) pass through adjustment hole (19), and triangle-pole is arranged in mobile adjusting rod (18) outer end
Rack device (20) is equipped with port sealing cap part (21) on muff joint (4) port.
3. a kind of 40.5kV switch apparatus systems according to claim 2, it is characterised in that：The inner end connector (7)
The other end is equipped with branch sleeve (10), and the bottom end in branch sleeve (10) is equipped with splined sleeve section (11), and the outer end connects
Connector (8) be rod-like structure, outer end connector (8) one end be equipped with splined sleeve section (11) matched splined shaft section (12),
Outer end connector (8) other end is equipped with STATEMENT OF FEDERALLY SPONSORED connector (13), and outer end connector (8) is plugged in by splined shaft section (12)
In splined sleeve section (11), the first spring (14) is installed between branch sleeve (10) bottom on the inside of splined shaft section (12),
It is arranged with second spring (15) on outer end connector (8) on the outside of splined shaft section (12), by branch sleeve (10) port
Screw thread sealing cap (16) is installed second spring (15) is encapsulated in branch sleeve (10).
4. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The upper wire outlet seat (38) is even
It is connected to conductive contact (40), lower wire outlet seat (39) is connected with lower conductive contact (41)；The upper wire outlet seat (38) and lower outlet
It is equipped with insulating boot (44) on seat (39).
5. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：Insulation brace rod (35) packet
Insulation brace rod body (42) is included, being respectively equipped with height in insulation brace rod body (42) upper and lower ends portion interlocks full skirt (43).
6. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The triangle-pole rack device
(20) include upper strut (22), lower supporting rod (23) and sliding connection block (24), upper strut (22) bottom end is hinged on sliding and connects
It connects on block (24), lower supporting rod (23) upper end is hinged on sliding connection block (24), and sliding connection block (24) sliding connects
It is connected on mobile adjusting rod (18) outer end；Upper strut (22) upper end is equipped with camber bracer (25).
7. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The mobile adjustment disk (17)
Third spring (26), the second connector (3) on the outside of the mobile adjustment disk (17) are arranged on the second connector (3) of inside
On be arranged with the 4th spring (27).
8. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The port sealing cap part (21)
It is square rod segment (28) to install on corresponding outer end connector (8), and port sealing cap part (21) is with square rod segment (28) cooperation
The outer ring surface of square hole, the port sealing cap part (21) is connected to by bolt (29) on the port surface of muff joint (4).
9. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：The mobile adjusting rod (18)
Lower end is movably arranged on mobile adjustment disk (17)；The anchor ring of the connection insulated tension pole body (1) is equipped with multiple full skirts (30).
10. a kind of 40.5kV switch apparatus systems according to claim 1, it is characterised in that：In the bus-bar room (49)
Equipped with dehumidification device (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842867.XA CN108767726B (en) | 2018-07-27 | 2018-07-27 | 40.5kV switchgear system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842867.XA CN108767726B (en) | 2018-07-27 | 2018-07-27 | 40.5kV switchgear system |
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| Publication Number | Publication Date |
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| CN108767726A true CN108767726A (en) | 2018-11-06 |
| CN108767726B CN108767726B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810842867.XA Active CN108767726B (en) | 2018-07-27 | 2018-07-27 | 40.5kV switchgear system |
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| CN111863515A (en) * | 2020-06-19 | 2020-10-30 | 杨文先 | Emergency treatment device for arc extinguish chamber contact piece of vacuum contactor |
| CN112701605A (en) * | 2020-12-24 | 2021-04-23 | 四川电器集团中低压智能配电有限公司 | Intelligent switchgear |
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| Publication number | Publication date |
|---|---|
| CN108767726B (en) | 2023-05-23 |
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