CN205489223U - Handcart -type high voltage switching device - Google Patents
Handcart -type high voltage switching device Download PDFInfo
- Publication number
- CN205489223U CN205489223U CN201620108738.4U CN201620108738U CN205489223U CN 205489223 U CN205489223 U CN 205489223U CN 201620108738 U CN201620108738 U CN 201620108738U CN 205489223 U CN205489223 U CN 205489223U
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- door
- control room
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Abstract
The utility model relates to a handcart -type high voltage switching device, the device sets up instrument room, bus -bar room, back cable chamber, preceding cable chamber, circuit breaker room and cabinet body door arrangement structure in cabinet body A including cabinet body A, the bus -bar room setting is that back upper place, back cable chamber setting are below the bus -bar room at cabinet body A, the instrument room setting from top to bottom sets gradually below the instrument room at cabinet body A's front upper place, circuit breaker room and preceding cable chamber. The utility model discloses the device is compared with traditional high tension switchgear, has advantages such as compact structure, superior performance, reliability are high, the component layout is reasonable, scalability is strong.
Description
Technical field
This utility model relates to a kind of complete power distribution equipment, specifically says it is a kind of handcart type high-voltage switch device.
Background technology
Handcart type high-voltage switch device (abbreviation switch cubicle), is the indoor complete power distribution equipment of rated voltage 3.6.12kV three-phase alternating current 50Hz, is used for accepting and distributing network power and circuit is carried out control protection and monitoring.Its shell is entirely by multiple aluminum zinc steel plate through machine tooling, assemble with bolt after multiple bending and forming, there is the highest mechanical strength, it is effectively guaranteed the neat and attractive in appearance of product, cabinet door uses plastic-blasting coating, having stronger shock resistance and corrosion resistance, product casing has the degree of protection of IP4X level.This switch cubicle has and prevents maloperation chopper, prevents on-load push-and-pull handcart, prevents from charged closing earthed switch, prevents earthed switch from earthing position power transmission and preventing mistakenly entering charged chamber, " five prevent " being i.e. called for short.
Master switch can configure the VD4 type vacuum circuit breaker that ABB AB produces; fixed on-load switch; can also be configured multiple domestic series vacuum circuit breaker (such as VS1 simultaneously; VH1; VK; ZN28), to replace same kind of products at abroad, this device is mainly used in the startup implementation control protection of power plant, medium and small generator group power transmission, industrial and mineral enterprises and institutions distribution and the power transformation of secondary substation of power system, power transmission and Large-scale High-Pressure motor, monitoring is used.
Old-fashioned high-tension switch cabinet is open-type, cabinet be indoor fixed, be the high-tension switch cabinet with misoperation-proof locking device, it is applicable to three-phase alternating current 50Hz single busbar and sectionalized single busbar connection system, it is used as the network power accepted with distribution rated voltage 3-10 kilovolt, its cabinet degree of protection is low, top main bus-bar is exposed in atmosphere, and five prevent chain unreliable, and space hold is many.
Summary of the invention
The purpose of this utility model is to provide for a kind of handcart type high-voltage switch device, and this device, compared with traditional high-tension switch cabinet, has compact conformation, superior performance, reliability height, element connection and reasonable arrangement, the extensibility advantage such as by force.
The purpose of this utility model is realized in, this high-tension switch gear includes cabinet A, it is arranged on the control room in cabinet A, bus-bar room, rear cable vault, front cable vault, breaker chamber and cabinet body door arrangement, described bus-bar room is arranged on cabinet A back upper place, rear cable vault is arranged on below bus-bar room, and described control room is arranged on the front upper place of cabinet A, breaker chamber and front cable vault and is from top to bottom successively set on below control room；It is provided with three the first wall bushings and the first stationary contact head cartridge in described bus-bar room, in described first stationary contact head cartridge, is provided with the first static contact；It is provided with current transformer on described rear cable vault rear wall, the the second stationary contact head cartridge connecting current transformer and the second static contact being arranged in the second stationary contact head cartridge, connecting the second wall bushing and the insulator of current transformer, described high-voltage arrester is arranged on rear cable vault base plate；Described control room is provided above with little bus, and control room is internally provided with the distant door in control room and the control transformator being arranged on the distant door in control room, and control room is provided below secondary component and installs guide rail；Being provided with handcart type vacuum circuit breaker in described breaker chamber, described handcart type vacuum circuit breaker is arranged in orbit, and described handcart type vacuum circuit breaker rear wall is provided with the first moving contact and the second moving contact；Being provided with the second wall bushing in described front cable vault, be arranged on the voltage transformer bottom front cable vault, be arranged on high-tension fuse above voltage transformer, described high-tension fuse is connected with current transformer；Described cabinet body door arrangement includes the Over-The-Counter door of corresponding control room, the corresponding middle cabinet door of breaker chamber, the lower cabinet door of corresponding front cable vault; voltmeter, ammeter, control lamp button, temperature and humidity controller and computer integrated protection devices it is provided with on described Over-The-Counter door; it is provided with analog board on described middle cabinet door, described lower cabinet door is provided with electromagnetic lock and electrification display.
This utility model has the advantages that:
1, this utility model handcart type high-voltage switch device, its whole cabinet is mainly by control room, bus-bar room, handcart room and cable composition.Shell protection grade is IP4X, degree of protection IP2X when each cell and circuit breaker chamber door are opened, and has built on stilts line, cable incoming-outgoing wire and other function scheme, be arranged, combine after can become the power distribution equipment of various scheme form.
2, shell of the present utility model is to select import aluminizing zinc sheet metal, process through CNC machine, and take multiple seaming operation, whole cabinet is made not only to have high, the extremely strong corrosion resistance of precision and antioxidation, and take multiple seaming operation, same category of device cabinet overall weight is light, mechanical strength is high, good looking appearance than other to make cabinet.
3, this utility model cabinet uses modular construction, is formed by connecting with the bolt of blind nut and high intensity.So make that processing cycle time, component universality are strong, decrease floor space, it is simple to tissue produces.Wherein the purposes according to handcart is different, can be divided into: transfer car(buggy), PT car, fuse car, scale car, runner wagon, underlying PT car, underlying lightning arrester vehicle and ground connection car etc..
4, this utility model also has the advantage that (1) handcart volume is little, and lightweight, bulk is smaller, and therefore size is easily controlled, and precision is high, and handcart interchangeability is good；(2) handcart advances and pull-out is by screw rod transmission, and moves on exclusive guideway, and therefore operation is light and handy, transmission precision；(3) being carried by service-specific car after handcart pull-out, and servicer height can be according to ground and the altitude mixture control of guide rail, therefore handcart turnover is not affected by ground height and flatness；(4) by the Function Integration Mechanism of High-voltage Incoming Cabinet and PT cabinet in a cabinet, after rational deployment, it is combined as a kind of novel High-voltage Incoming Cabinet so that it is structure is the compactest, superior performance, and floor space is less.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram.
Fig. 2 is the internal structure schematic diagram of this utility model Fig. 1.
Fig. 3 is that the B of this utility model Fig. 2 is to projection structure schematic diagram.
Detailed description of the invention
Shown in accompanying drawing 1,2: this high-tension switch gear includes cabinet A, control room 1, bus-bar room 2, rear cable vault 3, front cable vault 4, breaker chamber 5 and the cabinet body door arrangement 6 being arranged in cabinet A, described bus-bar room 2 is arranged on cabinet A back upper place, rear cable vault 3 is arranged on below bus-bar room 2, and described control room 1 is arranged on the front upper place of cabinet A, breaker chamber 5 and front cable vault 4 and is from top to bottom successively set on below control room 1；It is provided with three the first wall bushing 2-1 and the first stationary contact head cartridge 2-2 in described bus-bar room 2, in described first stationary contact head cartridge 2-2, is provided with the first static contact 2-3；It is provided with current transformer 3-1 on described rear cable vault 3 rear wall, the the second stationary contact head cartridge 3-2 connecting current transformer 3-1 and the second static contact 3-3 being arranged in the second stationary contact head cartridge 3-2, connecting the second wall bushing 3-4 and insulator 3-5 of current transformer 3-1, described high-voltage arrester 3-6 is arranged on rear cable vault 3 base plate；Described control room 1 is provided above with little bus 1-1, and control room 1 is internally provided with control room distant door 1-2 and the control transformator 1-3 being arranged on control room distant door 1-2, and control room 1 is provided below secondary component and installs guide rail 1-4；It is provided with handcart type vacuum circuit breaker 5-1, described handcart type vacuum circuit breaker 5-1 in described breaker chamber 5 to be arranged on track 5-2, described handcart type vacuum circuit breaker 5-1 rear wall is provided with the first moving contact 5-3 and the second moving contact 5-4；It is provided with the second wall bushing 3-4 in described front cable vault 4, is arranged on the voltage transformer 4-2 bottom front cable vault 4, be arranged on high-tension fuse 4-1 above voltage transformer 4-2, described high-tension fuse 4-1 and be connected with current transformer 3-1；Described cabinet body door arrangement 6 includes the Over-The-Counter door 6-1 of corresponding control room 1, the corresponding middle cabinet door 6-2 of breaker chamber 5, the lower cabinet door 6-3 of corresponding front cable vault 4; it is provided with voltmeter 6-1-1, ammeter 6-1-2 on described Over-The-Counter door 6-1, controls lamp button 6-1-3, temperature and humidity controller 6-1-4 and computer integrated protection devices 6-1-5; it is provided with analog board 6-2-1 on described middle cabinet door 6-2, described lower cabinet door 6-3 is provided with electromagnetic lock 6-3-1 and electrification display 6-3-2.
Each functional compartments and the operation instruction of parts:
1, control room 1: can install relay protection element, instrument, electrification display in control room, controls lamp button etc. and may be installed on instrument door, convenient operation；The secondary devices of particular/special requirement etc. can be fixedly mounted on control room distant door 1-2；Secondary terminals, protection switch etc. may be mounted at secondary component and installs on guide rail 1-4, facilitates wiring and maintenance.Control circuit to be laid in the wire casing of sufficient space, and have metal cover board, secondary line can be made to isolate with altitude chamber.On the left of it, wire casing is that the little wire routing of switch cubicle therein, on right side, also leaves the little bus being easy to construct on the top board of control room and passes through hole in order to control the introduction of little line and to draw reserved.During wiring, control room's lamina tecti is available for upset, it is simple to the installation of little bus 1-1.
Computerized protection 6-1-6 be for measuring, control, protecting, the economical protection of one of communication integral；Make to measure for distribution network terminal high-tension distribution chamber of converting; with the directionless current protection of syllogic as core; it is equipped with supervision and the acquisition function of electrical network parameter; traditional ammeter, voltmeter, power meter, frequency meter, kilowatt-hour meter etc. can be saved; and can conveniently realize distribution automation by communication port by measurement data and protection information remote transmitting host computer；Device is integrated with automatic closing function according to the characteristic of supplying power allocation in device, can realize the standby throwing of inlet wire and mother stock standby throwing function flexibly
High electric current is converted into low current by high-tension current inductor in proportion, is demonstrated by instrument door ammeter 6-1-3.High tension voltage changes primary voltage dress into small voltage, is demonstrated by instrument door voltmeter 6-1-2.
Temperature and humidity controller 6-1-5 is by the condensation sensor being installed in control room and cable vault, detection in-cabinet temperature, when temperature low pressure temperature and humidity controller setting value, temperature and humidity controller starts heater, increase the temperature in casing, can effectively prevent the equipment fault caused because of low temperature and make moist or condense cause creepage, the generation instrument door of flashover fault sets control lamp button 6-1-4, according to circuit breaker internal principle, reasonably optimizing secondary connection scheme, by circuit-breaker switching on-off control and opening and closing state, energy storage state is located on instrument door, convenient operation, it is easy to facilities for observation duty.
2, bus-bar room 2: main bus-bar is the copper bar that between cabinet with cabinet, major loop is connected, main bus-bar and interbus are the busbar of square-section, branch bar is bolted on static contact 2-3 and main bus-bar, need not other support, bus pyrocondensation covers, adjacent cabinet bus is fixed with the first wall bushing 2-1, so couple the air cushioning retained between bus, can prevent it from running through fusing when if there is Internal faults arc, not spread to other cabinet in sleeve pipe effectively can be limited in isolation room accident.
3, rear cable vault 3 and front cable vault 4: switchgear uses middle, thus space, cable vault is relatively big, and current transformer 3-1 is contained in compartment back-wall, and spark gap 3-6 is installed on compartment rear lower.Cable in rear cable vault connects conductor, every mutually can and one to three single electricity.Connect the nonmetal shrouding of dismountable type that cracks of preparation at the bottom of the cabinet of cable or not magnetic conductive metal shrouding, it is ensured that easy construction.Front cable vault dress high-tension fuse 4-1 and voltage transformer 4-2.By the Function Integration Mechanism of PT cabinet in incoming line cabinet.Voltage transformer provides protection voltage to use for whole electric power system.When on-the-spot low-tension supply is not readily available.Can increase voltage transformer capacity, the AC100V exported by transformator, through controlling transformator 1-3, being converted to AC220V power supply is Temperature and Humidity Control and the use of cabinet intraoral illumination.
4, breaker chamber 5: handcart skeleton is also adopted by sheet metal and assembles after CNC machine is processed.Mechanical interlocking is safe and reliable, flexible.Different according to purposes, handcart divides circuit breaker cart, voltage mutual inducer trolley, metering handcart, isolation handcart.All kinds of handcarts press the change of modulus building block system, and same specification handcart can absolutely freely exchange.Handcart exits (isolation) position and operating position in cabinet, and each position has positioner the most respectively, to ensure that interlocking is reliable, it is necessary to operate by interlocking maloperation program.Various handcarts all use turbine, scroll bar；Shake advances, exits, and its operation is light, flexible, is suitable for various operator on duty operation.Handcart is when cabinet removed by needs, with a special transfer vehicle, it is possible to convenient take out, and carries out various inspection, maintenance, and uses middle, and whole dolly volume is little, check, safeguard the most convenient.Equipped with vacuum circuit breaker 5-1 and other auxiliary equipments on circuit breaker cart, just open position/testing position can be positively locked in when handcart shipment car moves into cabinet chopper, and cabinet position displaying lamp just shows the position at its place, and propulsive mechanism after the most fully locked, could be shaken, handcart is advanced operating position, hands enters operating position, and the mechanical interlocking energy Reliable guarantee handcart of handcart is only at gate-dividing state, and chopper could move.
Breaker chamber both sides are mounted with track, are moved to operating position by isolated location in cabinet for handcart.The dividing plate (valve) of stationary contact head cartridge 2-2 is arranged on the rear wall of handcart room.The valve moved to during operating position upper and lower stationary contact head cartridge from open position when handcart links with handcart；Automatically open up simultaneously；When opposite direction moves, valve closes the most automatically, until handcart retreats to certain position and covers all stationary contact head cartridge, formation is effectively isolated, simultaneously because upper and lower valve does not links, when maintenance, the valve of the charged side of lockable, thus ensure that repair and maintenance personnel do not touch electrical body.When breaker chamber inside door is closed, handcart can operate equally, by observation window of visiting, can observe handcart institute's sheet position in compartment, and splitting or integrating lock shows, energy storage situation.
5, described breaker chamber 5, the top of bus-bar room 2 and cable vault 3,4 is equipped with pressure relief device, when chopper or bus generation Internal faults arc, appearance with electric arc, inside switch cabinet air pressure raises, the special seal circle being installed on door is closed before cabinet, and the pressure release metallic plate of top assembling will be automatically switched on release pressure and vented gasses, to guarantee the safety of operator and switch cubicle.
6, secondary plug and the position interlocking of handcart: the secondary line on switchgear is realized by secondary plug with the contact of the secondary line of circuit breaker cart.The moving contact of secondary plug is connected with handcart by a nylon corrugated tube, and secondary fixed contact pedestal is installed in the upper right side of breaker of switch cabinet compartment.Secondary plug just can be plugged and release to handcart, only when test/isolated location, and handcart is locked in mechanical interlocking effect, secondary plug when being in operating position, it is impossible to release.Circuit breaker cart was only capable of carrying out separating brake before secondary plug access failure, owing to the switching-on mechanism of circuit breaker cart is by electromagnetic locking, so it cannot be made to close a floodgate.
7, charged display device: the optional part i.e. electrification display 6-3-2 that detection primary circuit is run can be provided with in switch cubicle.This device not only can point out high tension loop charged state, but also can match with electromagnetic lock 6-3-1, it is achieved forced blocking switch knob.Reach to prevent charged to close earthed switch, prevent mistakenly entering charged chamber, thus improve the anti-error performance of switch cubicle.
Claims (1)
1. a handcart type high-voltage switch device, it is characterized in that: this high-tension switch gear includes cabinet A, the control room (1) being arranged in cabinet A, bus-bar room (2), rear cable vault (3), front cable vault (4), breaker chamber (5) and cabinet body door arrangement (6), it is back upper place that described bus-bar room (2) is arranged on cabinet A, rear cable vault (3) is arranged on below bus-bar room (2), described control room (1) is arranged on the front upper place of cabinet A, breaker chamber (5) and front cable vault (4) are from top to bottom successively set on below control room (1)；It is provided with three the first wall bushings (2-1) and the first stationary contact head cartridge (2-2) in described bus-bar room (2), in described first stationary contact head cartridge (2-2), is provided with the first static contact (2-3)；It is provided with current transformer (3-1) on described rear cable vault (3) rear wall, the the second stationary contact head cartridge (3-2) connecting current transformer (3-1) and the second static contact (3-3) being arranged in the second stationary contact head cartridge (3-2), connecting the second wall bushing (3-4) and the insulator (3-5) of current transformer (3-1), described high-voltage arrester (3-6) is arranged on rear cable vault (3) base plate；Described control room (1) is provided above with little bus (1-1), control room (1) is internally provided with the distant door in control room (1-2) and the control transformator (1-3) being arranged in the distant door in control room (1-2), and control room (1) is provided below secondary component and installs guide rail (1-4)；Handcart type vacuum circuit breaker (5-1) it is provided with in described breaker chamber (5), described handcart type vacuum circuit breaker (5-1) is arranged on track (5-2), and described handcart type vacuum circuit breaker (5-1) rear wall is provided with the first moving contact (5-3) and the second moving contact (5-4)；It is provided with the second wall bushing (3-4) in described front cable vault (4), it is arranged on the voltage transformer (4-2) of bottom, front cable vault (4), being arranged on voltage transformer (4-2) top high-tension fuse (4-1), described high-tension fuse (4-1) is connected with current transformer (3-1)；Described cabinet body door arrangement (6) includes the Over-The-Counter door (6-1) of corresponding control room (1), the middle cabinet door (6-2) of corresponding breaker chamber (5), the lower cabinet door (6-3) of corresponding front cable vault (4), it is provided with voltmeter (6-1-1) on described Over-The-Counter door (6-1), ammeter (6-1-2), control lamp button (6-1-3), temperature and humidity controller (6-1-4) and computer integrated protection devices (6-1-5), it is provided with analog board (6-2-1) on described middle cabinet door (6-2), electromagnetic lock (6-3-1) and electrification display (6-3-2) it is provided with on described lower cabinet door (6-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108738.4U CN205489223U (en) | 2016-02-03 | 2016-02-03 | Handcart -type high voltage switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108738.4U CN205489223U (en) | 2016-02-03 | 2016-02-03 | Handcart -type high voltage switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489223U true CN205489223U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620108738.4U Expired - Fee Related CN205489223U (en) | 2016-02-03 | 2016-02-03 | Handcart -type high voltage switching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205489223U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706800A (en) * | 2017-11-15 | 2018-02-16 | 广东电网有限责任公司清远供电局 | Metal enclosed switchgear flame-proof type cabinet is pressed in a kind of 10kV |
| CN109994956A (en) * | 2019-04-01 | 2019-07-09 | 山东高科成套设备有限公司 | A kind of KYN28A-12 handcart type high voltage switch cabinet that regulation can be monitored to output voltage |
| CN110690663A (en) * | 2019-11-18 | 2020-01-14 | 重庆施能电力设备有限公司 | Handcart-type looped netowrk cabinet |
| CN111786284A (en) * | 2020-08-07 | 2020-10-16 | 大连华锐重工集团股份有限公司 | Safety medium-voltage cabinet with double circuit breaker chambers |
| CN112803291A (en) * | 2021-03-09 | 2021-05-14 | 辽宁当凯电力有限公司 | Indoor AC metal armouring draw-out type metering equipment |
-
2016
- 2016-02-03 CN CN201620108738.4U patent/CN205489223U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706800A (en) * | 2017-11-15 | 2018-02-16 | 广东电网有限责任公司清远供电局 | Metal enclosed switchgear flame-proof type cabinet is pressed in a kind of 10kV |
| CN109994956A (en) * | 2019-04-01 | 2019-07-09 | 山东高科成套设备有限公司 | A kind of KYN28A-12 handcart type high voltage switch cabinet that regulation can be monitored to output voltage |
| CN110690663A (en) * | 2019-11-18 | 2020-01-14 | 重庆施能电力设备有限公司 | Handcart-type looped netowrk cabinet |
| CN111786284A (en) * | 2020-08-07 | 2020-10-16 | 大连华锐重工集团股份有限公司 | Safety medium-voltage cabinet with double circuit breaker chambers |
| CN111786284B (en) * | 2020-08-07 | 2023-10-20 | 大连华锐重工集团股份有限公司 | Safety double-circuit breaker room medium-voltage cabinet |
| CN112803291A (en) * | 2021-03-09 | 2021-05-14 | 辽宁当凯电力有限公司 | Indoor AC metal armouring draw-out type metering equipment |
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