CN206211380U - A kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise - Google Patents

Abstract

The utility model discloses a kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise, the main blast pipe including framework and its inside, main bus-bar, contact box, breaker and high-tension current inductor, wherein described breaker includes three-phase pole module, the three-phase pole module is fixed on rotatable handcart keel shoe, and the three-phase pole module that rotarily drives by the handcart keel shoe rotates, the three-phase pole module is by the blast pipe when vertical, main bus-bar, contact box, breaker is connected and composes in series major loop from top to bottom with high-tension current inductor, breaker level is put and by the blast pipe during level, main bus-bar, connection between contact box and the high-tension current inductor disconnects.Equipment temperature rise of the present utility model is low, major loop formed up/down perforation Gradient Effect heat dissipation channel, it will be apparent that reduce temperature rise in equipment, simple structure, material saving are time saving and manufacturing cost is relatively low.

Description

A kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise

Technical field

The utility model is related to High-Voltage Electrical Appliances outfit technical field, compound more particularly, to a kind of high current low-temperature-rise Type high-pressure metal sealing switch equipment.

Background technology

At present, existing high-pressure metal sealing switch equipment is main by cabinet, main bus-bar, once branch bus, main unit's device Part etc. is constituted, in an assembling process, to meet air insulation requirement in cabinet, must be first by a component according to complicated space Layout placement, it is fixed on cabinet body frame, then by main primary insulation device, main bus-bar and a component is mutually interconnected Connect composition different function units major loop；Cabinet inner compartment is separated using using vertical and horizontal dislocation dividing plate simultaneously, cause it is each every The passage of the high temperature and high pressure gas release that chamber interior arc fault is produced is tortuous too many, and retarding effect is serious, especially seriously holds back The reduction of high-tension switch cabinet temperature rise is made；And major loop is installed with the primary element front of unitary function or with handcart-type front Propulsion extraction mode is set, and isolation fracture is not seen easily, and sound fingertip docking deviation and reliability not can determine whether, especially in master Under the running status of loop, radiating dead band is formed；The insulating cylinder of breaker is it is difficult to ensure that synchronism.

So, traditional large-current high-voltage switchgear, in terms of controlling and reducing temperature rise it is main take be radiation and The heat dissipation technology of conduction, inefficiency, DeGrain, it is impossible to change under operation, Maintenance and Repair can not guarantee to supply Electric continuity, while not meeting energy-conservation not only but also forming potential accident potential's probability；And there is structure cloth in existing equipment Complexity is put, auxiliary heat dissipation configuration is more, material particularly nonferrous materials wastes serious, labour intensity is installed greatly, complex process, Repair and maintenance is inconvenient, especially because the reduction temperature rise ability of high-tension switch gear can not be reduced effectively, and is led because of heating The drop of cause holds the operation even problems such as potential safety hazard.

The content of the invention

In view of the shortcomings of the prior art, the purpose of this utility model is a kind of low-temperature-rise, simple and reliable for structure, consumptive material Less, low cost, operation continuity are high, and are easy to the compound high-pressure metal enclosed switch of the high current low-temperature-rise of repair and maintenance and set It is standby.

To achieve the above object, the scheme of present invention offer is：A kind of compound high-pressure metal closing of high current low-temperature-rise Switchgear, the main blast pipe including framework and its inside, main bus-bar, contact box, breaker and high-tension current inductor, its Described in breaker include three-phase pole module, the three-phase pole module is fixed on rotatable handcart keel shoe, and is led to The three-phase pole module that rotarily drives for crossing the handcart keel shoe rotates, and the three-phase pole module is by the row when vertical Tracheae, main bus-bar, contact box, breaker are connected and compose in series major loop from top to bottom with high-tension current inductor, during level Breaker level is put and disconnects the connection between the blast pipe, main bus-bar, contact box and the high-tension current inductor.

Further, the framework passes through cold by column of cabinet body type side plate, base plate and top cover, crossbeam that multiple bending is formed Riveting is assembled and formed.

Further, it is divided into control room, main bus-bar room, isolation circuit breakers room and cable vault from top to bottom in switchgear, Wherein main bus-bar room is used to place the exhaust and main bus-bar, and the isolation circuit breakers room is used to place the contact box with open circuit Device, the cable vault is used to place the high-tension current inductor, while being provided with common exhaust passage after switchgear.

Further, switchgear also includes the valve in the isolation circuit breakers room, and the valve is by fixing Make water with the guiding mechanism for being arranged on the isolation circuit breakers room upper back in the valve mechanism on the backboard of the isolation circuit breakers room Flat side-to-side movement.

Further, switchgear also includes the panel being located in the cable vault and is located on the isolation circuit breakers room Interruption chambe's door, be equipped with door bolt on the panel and interruption chambe door, and set with the surrounding position of the contact therewith Multiple opening mounting guide grooves be connected, anti-misoperation is also equipped with the panel and obtains blocking function device.

This programme has the beneficial effect that：1st, equipment temperature rise is low, and major loop forms the Gradient Effect of up/down perforation in this programme Heat dissipation channel, it will be apparent that reduce temperature rise in equipment, be inherently eliminated existing conventional switching devices internal partition thermal resistance The drawbacks of stream and hyperpyrexia dead band；The Primary Conductor center hollow insertion from top to bottom of high-tension current inductor, upper end function simultaneously The static contact finger of isolation circuit breakers is fused to, lower end is cable bond head, hollow convection design, to current transformer radiating in itself With the temperature rise effect and effect reduced in switch cubicle all clearly；2nd, simple structure, material saving are time saving and manufacturing cost is relatively low, this The framework of equipment is formed through the multiple bending of high-precision numerical control equipment in scheme, and is made up of cold riveting connection, has device framework High precision, intensity are good, material-saving and save installation work-hour advantage, and main bus-bar by contact box support, simplify whole Individual equipment major loop；3rd, ensure the continuity of equipment operation, be provided with equipment top in this programme and strengthen gradient convection effect Low-temperature-rise blast pipe, the arrangement increases heat loss through convection effect, it is ensured that the continuity and reliability of equipment operation；4th, peace is used It is complete convenient, door bolt is equipped with interruption chambe's door and panel in this programme, make it have enough anti-internal arcing false pressure liters Ability high, door and panel can lightly, quick, safety opening and closing, while being also equipped with anti-incorrect manipulation deadlock work(on panel Can device.

Brief description of the drawings

Fig. 1 is side structure schematic view of the present utility model.

Fig. 2 is positive structure diagram of the present utility model.

Fig. 3 is blast pipe front view of the present utility model.

Fig. 4 is contact box front view of the present utility model.

Fig. 5 is high-tension current inductor front view of the present utility model.

Fig. 6 is three-phase pole module front view of the present utility model.

Wherein, 1 is framework, and 2 is control room, and 3 is main bus-bar room, and 31 is blast pipe, and 32 is main bus-bar, and 4 is isolation open circuit Device room, 41 is contact box, and 42 is breaker, and 421 is three-phase pole module, and 43 is handcart keel shoe, and 44 is interruption chambe's door, and 45 are Valve, 46 is valve mechanism, and 5 is cable vault, and 51 is high-tension current inductor, and 52 is panel, and 6 is intelligent secondary manipulation unit Device.

Specific embodiment

With reference to specific embodiment, the utility model is described in further detail：

Participate in structural representation, a kind of compound high-pressure metal enclosed switch of high current low-temperature-rise shown in accompanying drawing 1 to accompanying drawing 2 Equipment, mainly includes framework 1 and three blast pipes 31 being arranged inside framework 1（Participate in accompanying drawing 3）, main bus-bar 32, three contact boxs 41 (participate in accompanying drawing 4）, three breakers 42 and three high-tension current inductors 51（Participate in accompanying drawing 5）, it is handcart keel 43, valve 45, living Door mechanism 46, wherein blast pipe 31, main bus-bar 32, contact box 41, breaker 42 and high-tension current inductor 51 is gone here and there from top to bottom The major loop of joint group cost implementation equipment；Include three-phase pole module 421 on breaker 42 simultaneously（Participate in accompanying drawing 6）, preferably Ground, three-phase pole module 421 can be three-phase pole insulating cylinder, and the three-phase pole module 421 is fastened on rotatable handcart Make on keel shoe 43 and by the three-phase pole module 421 that rotarily drives around the handcart keel shoe 43 under the driving of front end mechanism Positive and negative 90 degree of rotations, such three-phase pole module 421 can connect whole major loop in vertical state, and form complete upper and lower The Gradient Effect convection circulation system of insertion, can quickly discharge the heat in high-tension switch gear, without having by any Source auxiliary heat dissipation, possesses the characteristic of low-temperature-rise so as to reach the equipment, and will can entirely be led in three-phase pole 421 level of module Loop disconnects, and major loop is stopped.

Framework 1 includes column of cabinet body type side plate, base plate and top cover, crossbeam, and these components are special using high-tension switch cabinet Sheet metal, and formed by the multiple bending of high-precision numerical control equipment, while these components are fastened using special high strength rivet Part assembles the framework 1 of composition the present embodiment through high-precision cold drag rivet joint, efficiently together.Inside the present embodiment that framework 1 is constituted Interruption chambe's door, panel 52 and valve 45 are additionally provided with, and are switched the present embodiment with valve 45 by interruption chambe's door 44, panel 52 The inside of equipment is separated into control room 2, main bus-bar room 3, isolation circuit breakers room 4 and cable vault 5 from top to bottom；Interruption chambe's door 44 sets In on isolation circuit breakers room 4, in isolation circuit breakers room 4, in cable vault 5, wherein control room 2 uses panel 52 valve 45 In placing various detections, showing instrument used, main bus-bar room 3 is used to place blast pipe 31 and main bus-bar 32, isolates interruption chambe 4 For placing contact box 41 and breaker 42, cable vault 5 is used to placing three high-tension current inductors 51, and three blast pipes 31, Three main bus-bars 32, three contact boxs 41, three breakers 42 and three high-tension current inductors 51 before and after arrangement, the major loop of composition is in Plane is vertically connected, and these components are respectively provided with functional fusion feature, furthermore, main bus-bar 32 fixes branch by contact box 31 Support, both collectively form the main bus-bar system of this switchgear.

The Primary Conductor center of high-tension current inductor 51 hollow insertion from top to bottom, top function fusion has isolation open circuit The static contact of device, bottom leading-out terminal has cable bond head and static contact of grounding switch concurrently, while being provided with biography in conductor centerbody Sensor；Valve 45 by the valve mechanism 46 that is fixed on the backboard of isolation circuit breakers room 4 be arranged on the isolation circuit breakers room 4 after The guiding mechanism on top makees horizontal side-to-side movement, and the valve mechanism 46 passes through the swing arm of fan-shaped guide groove and operates；Located at isolation circuit breakers Interruption chambe's door 44 and panel 52 on room 4 are provided with door bolt, to the multiple openings set with the surrounding position of switchgear framework 1 Guide groove（Or pinch plate）Mutually mount, anti-incorrect manipulation deadlock functional device is housed on interruption chambe's door 44 and panel 52, but also can be with By special hand rotation process either on or off interruption chambe door 44 with panel 52, make interruption chambe door 44 and panel 52 realize lightly, Quickly, safe opening and closing；The functional configuration such as linear quadratic control, protection, metering, monitoring, communication is by intelligence in switchgear The secondary manipulation cell arrangement 6 of energyization realizes that the manipulation cell arrangement passes through the different modes of connection of first and second loop in equipment Constitute foregoing specific function.

High current described in the present embodiment refer to rated current 3150A and more than, rated short circuit drop-out current 40kA and with On.

The embodiment of the above is only preferred embodiment of the present utility model, and any form is not done to the utility model On limitation.Any those of ordinary skill in the art, in the case where technical solutions of the utility model ambit is not departed from, using upper The technology contents for stating announcement make more possible variations and retouching to technical solutions of the utility model, or modification is this practicality New Equivalent embodiments.Therefore all contents without departing from technical solutions of the utility model, made according to the thinking of the utility model Equivalent equivalence changes, all should be covered by protection domain of the present utility model.

Claims (5)

1. the compound high-pressure metal sealing switch equipment of a kind of high current low-temperature-rise, mainly including framework（1）And its row of inside Tracheae（31）, main bus-bar（32）, contact box（41）, breaker（42）And high-tension current inductor（51）, it is characterised in that：It is described Breaker（42）Including three-phase pole module（421）, the three-phase pole module（421）It is fixed on rotatable handcart keel shoe （43）On, and by the handcart keel shoe（43）Rotarily drive three-phase pole module（421）Rotate, the three-phase pole Module（421）It is by the blast pipe when vertically（31）, main bus-bar（32）, contact box（41）, breaker（42）And high-tension current Transformer（51）Major loop is connected and composed in series from top to bottom, breaker during level（42）Level is put and by the blast pipe （31）, main bus-bar（32）, contact box（41）With the high-tension current inductor（51）Between connection disconnect.

2. a kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise according to claim 1, its feature exists In：The framework（1）Column of cabinet body type side plate, base plate and top cover, the crossbeam formed by multiple bending are assembled by cold riveting Form.

3. a kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise according to claim 1, its feature exists In：It is divided into control room from top to bottom in switchgear（2）, main bus-bar room（3）, isolation circuit breakers room（4）With cable vault（5）, its Middle main bus-bar room（3）For placing the blast pipe（31）With main bus-bar（32）, the isolation circuit breakers room（4）For placing State contact box（41）With breaker（42）, the cable vault（5）For placing the high-tension current inductor（51）, while opening Common exhaust passage is provided with after the equipment of pass.

4. a kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise according to claim 3, its feature exists In：Switchgear also includes being located at the isolation circuit breakers room（4）Interior valve（45）, the valve（45）By being fixed on State isolation circuit breakers room（4）Valve mechanism on backboard（46）With installed in the isolation circuit breakers room（4）The Guiding machine of upper back Structure makees horizontal side-to-side movement.

5. a kind of compound high-pressure metal sealing switch equipment of high current low-temperature-rise according to claim 3, its feature exists In：Switchgear also includes being located at the cable vault（5）On panel（52）With located at the isolation circuit breakers room（4）On it is disconnected Road room door（44）, the panel（52）With interruption chambe door（44）On be equipped with door bolt, and with the framework（1）The four of contact Multiple opening mounting guide grooves that all positions are set are connected, the panel（52）On be also equipped with anti-misoperation and obtain blocking function device.