CN103078263A - Modular movable-type solid insulated switchgear - Google Patents
Modular movable-type solid insulated switchgear Download PDFInfo
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- CN103078263A CN103078263A CN2012105797209A CN201210579720A CN103078263A CN 103078263 A CN103078263 A CN 103078263A CN 2012105797209 A CN2012105797209 A CN 2012105797209A CN 201210579720 A CN201210579720 A CN 201210579720A CN 103078263 A CN103078263 A CN 103078263A
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Abstract
The invention discloses modularized movable-type solid insulated switchgear and solves the problems of large size, poor power supply continuity and the like of existing switchgear. The technical key points are as follows: all electrified primary conductive elements and busbars in a power chamber module box body, a busbar chamber module box and a cable chamber module box are respectively wrapped and packaged into cabinet modules by adopting solid insulting medium, a power chamber module is connected with the cable chamber module and the busbar module through positioning parts to form an integral structure, and the modules are mutually separated by metal separators in a closed manner; the power chamber module is positioned above the front part of a cabinet body, the busbar chamber module is positioned above the rear part of the cabinet body, the cable chamber module is positioned on the lower part of the cabinet body, conductive or semi-conductive shielding layers are coated on the surfaces of the modules and can be directly and reliably grounded. The modularized movable-type solid insulated switchgear has the advantages that the structure is compact, the design is reasonable, the modularization of parts is realized, the insulation strength is high, the interchangeability is good, the on-site mounting and debugging are convenient, and the use is safe and reliable, and the purposes of on-site combination, mounting against a wall and maintenance in front of the cabinet are achieved.
Description
Technical field
The present invention relates to a kind of indoor mid-handcart withdrawing switch apparatus, particularly a kind of 12～24Kv that is applicable to, the middle-size and small-size modularization withdraw-type of 50Hz three-phase alternating current electrical network solid-state insulated switchgear.It mainly is applicable to urban architecture, market, public utilities, airport, railway, traffic, coal, chemical industry, iron and steel, industrial and mining enterprises and power transmission and transformation station and power plant etc.
Background technology
At present, the switchgear of prior art can be divided into by structure: fixed switch arrangement and withdrawing switch apparatus; Can be divided into by dielectric: air, inflation and compound inslation.Air-insulated switchgear once each electric elements and galvanic circle leaks cruelly in air, and volume is large and anti-environment is poor, is applicable to general running environment.Each electric elements of gas-filling cabinet and galvanic circle are enclosed in the SF6 gas, and volume is little, and insulation level is high, and anti-environment is good, is applicable to higher operational site.Such as track traffic, skyscraper etc.Gas-filling cabinet mostly is fixed and is difficult to be designed to withdraw-type switch cabinet, and power supply continuity is aobvious not as withdraw-type switch cabinet.SF6 gas is one of " Kyodo Protocol " clear and definite gas.Very big to environmental impact, should limit use.Along with the development of electricity market and the progress of high-voltage switch gear technology, bulky air-insulated floatless switch equipment such as GG-1A are replaced by the XGN2 of small volume and the less SF6 gas-filling cabinet of volume.In order to solve the continuity of power supply, fixed switch arrangement is landed again withdraw-type equipment such as KYN1 and JYN2 and is replaced; In order to solve interchangeability and miniaturization issues, replaced by the compound inslation middle disposed withdrawn type switchgear of at present popular output maximum again take the withdrawing switch apparatus that lands of air by dielectric.Its representative products such as KYN28 etc.For energy-conservation, reduce equipment volume, make the product miniaturization, at present the SF6 inflation regime etc. that adopt more.
Summary of the invention
The purpose of this invention is to provide a kind of modularization withdraw-type solid-state insulated switchgear, solved that the volume that existing switchgear exists is large, power supply continuity is poor and the problem such as SF6 contaminated environment, its compact conformation, reasonable in design, parts are realized modularization, dielectric strength is high, and interchangeability is good, is convenient to on-the-spot installation, debugging, safe and reliable, reach at the scene the purpose that makes up, leans on wall installation, cabinet to overhaul previously, can exempt from especially to be influenced by the adverse circumstances, increase the service life.
The technical solution adopted in the present invention is: this modularization withdraw-type solid-state insulated switchgear comprises cabinet and is assembled in respectively the interior power house module of cabinet, bus-bar room module and cable vault's module, it is characterized in that: described power house modular tank, the charged primary conductive element of in bus-bar room modular tank and the cable vault's modular tank all, bus, adopt solid dielectric insulation to coat respectively and be packaged into the cabinet module, by the power house module by keeper and cable vault's module, the bus-bar room module is connected to form monolithic construction, mutually seals isolation by metal partion (metp) between each module; The power house module is positioned at the top of cabinet front portion, and the bus-bar room module is positioned at top, cabinet rear portion, and cable vault's module is positioned at the cabinet bottom, and each Modular surface is coated with conduction or semiconductive shielding layer, and direct reliable ground.
Described power house module is mainly by three individual compartment, namely little bus-bar room, control room, breaker chamber and a power house pressure release passage, and control room's protection channel consists of; Be assembled with guide rail interlocking unit, solid insulation middle disposed withdrawn type breaker unit, shutter unit and secondary interlocking unit in the breaker chamber.
Described bus-bar room module is mainly by bus-bar room pressure release passage, solid insulated busbar adapter unit and solid insulating sleeve cell formation.
Described cable vault module mainly is made of cold air interchange channel, solid insulation earthed switch unit, solid insulation cable terminal unit, solid insulation mutual inductor unit, solid insulation disjunctor contact box unit, front door interlock unit, overvoltage protection device and cable end.
Carry out Optional assembling by the power house module of the described cable vault module of combination in any and combination in any or with the bus-bar room module of combination in any.
Behind described cable vault module and the bus-bar room module assembled, assemble again the power house module, the power house module after when maintenance, integral body shifted out,, the mutually metal partion (metp) of sealing isolation module and cable vault's module at the anterior dismounting of cabinet bus-bar room.
Of the present invention have advantage and beneficial effect really is, since the present invention adopted by solid dielectric insulation coat respectively be packaged into the cabinet module, power house module, cable vault's module and bus-bar room module, and be connected to form monolithic construction by keeper, mutually seal isolation by metal partion (metp) between each module, so its compact conformation is reasonable in design, parts are realized modularization, precision is high, loop resistance is little, dielectric strength is high, and interchangeability is good.Because modularization has been dwindled small product size greatly, thus manufacture craft simple, reduced the installation and maintenance difficulty, be convenient to on-the-spotly install, debugging, safe and reliable, also can reduce product cost simultaneously.The bus-bar room module is positioned at top, cabinet rear portion, can be prefabricated in advance.Cable vault's module is positioned at the cabinet bottom, also can be prefabricated in advance.The power house module is positioned at the top of cabinet front portion, and wherein independently the control room can dispose according to customer requirements the secondary component such as integrated protection, lamp, button, control device of different manufacturers.Can also realize the power house module when maintenance integral body shift out, after the power house module shifts out, bus that can be in cabinet front maintenance bus-bar room module and the solid insulation mutual inductor unit in cable vault's module.For different schemes into and out of line, just can realize the multi-scheme combination as long as change cable vault's module.
In sum, the present invention has reached veritably switchgear and has made up at the scene, leaned on the purpose that wall is installed, cabinet overhauls previously, the volume that has solved existing switchgear existence is large, power supply continuity is poor and adopt solid insulation to eliminate the problems such as SF6 contaminated environment, make especially switchgear can exempt to be influenced by the adverse circumstances, increase the service life.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the I type structural representation of cable vault's module among Fig. 1;
Fig. 3 is a kind of structural representation of Fig. 1 median generatrix room module;
Fig. 4 is a kind of structural representation of Fig. 1 medium power room module;
Fig. 5 is the II type structural representation of cable vault's module among Fig. 1;
Fig. 6 is the III type structural representation of cable vault's module among Fig. 1;
Fig. 7 is the IV type structural representation of cable vault's module among Fig. 1.
Sequence number explanation among the figure: 1 cable vault's module; 2 bus-bar room modules; 3 bus-bar room pressure release passages; 4 power house pressure release passages; 5 power house modules; 6 cold air interchange channels; 7 solid insulation earthed switch unit; 8 solid insulation cable terminal unit; 9 solid insulation mutual inductor units; 10 solid insulation disjunctor contact box unit; 11 front door interlock units; 12 overvoltage protection devices; 13 cable ends; 14 solid insulating sleeve unit; 15 solid insulated busbar adapter unit; 16 guide rail interlocking units; 17 breaker chambers; 18 shutter unit; 19 secondary interlocking units; 20 control rooms; 21 control room's protection channels; 22 little bus-bar rooms.
Embodiment
Describe concrete structure of the present invention in detail according to Fig. 1-7.This modularization withdraw-type solid-state insulated switchgear comprises cabinet and is assembled in respectively cabinet interior power house module 5, bus-bar room module 2 and cable vault's module 1 and the parts such as bus-bar room pressure release passage 3, power house pressure release passage 4 and cold air interchange channel 6.Wherein the casing of cabinet and power house module 5, bus-bar room module 2 and cable vault's module 1 is all made by covering the aluminium zine plate.The charged primary conductive element of in power house modular tank, bus-bar room modular tank and the cable vault's modular tank all, bus, adopt the APG(epoxide resin automatic pressure gel) technique, coat respectively with solid dielectric insulation and to be packaged into the cabinet module, namely be packaged into power house module 5, bus-bar room module 2 and cable vault's module 1, and be connected to form monolithic construction by keeper.Mutually seal isolation by metal partion (metp) between cable vault's module 1 of this solid insulation, bus-bar room module 2 and the power house module 5, each Modular surface is coated with conduction or semiconductive shielding layer, and direct reliable ground, its permanent insulation property are not aging, preventing dust condensation, height above sea level can arrive 2000 meters.Power house module 5 is positioned at the top of cabinet front portion, and bus-bar room module 2 is positioned at top, cabinet rear portion, and cable vault's module 1 is positioned at the cabinet bottom.Bus-bar room pressure release passage 3, power house pressure release passage 4 lay respectively at the cabinet top, and link to each other successively.Pressure relief plate all is equipped with at all high pressure cell tops, and the air pressure that fault electric arc produces can be opened pressure relief plate, makes electric arc enter separately pressure release passage.
The shutter unit 18 usefulness metallic plates of breaker chamber 17 interior main switches are made.Shutter unit 18 is fixed by hinge and shell and guide rail or is hinged, and when the chassis dolly was extracted out from the main switch chamber, these shutter unit 18 lockings were not opened, and the operator can't open shutter unit 18 with hand.Shutter unit 18 only when main switch or chassis dolly enter the service position, just can be opened.Secondary interlocking unit 19 is fixed in 20 belows, control room.When solid insulation middle disposed withdrawn type breaker unit marched to the service position, it was locked to hit plate by main switch.Only walking to the experiment position could artificially open.Power house pressure release passage 4 is release pressure when being short-circuited fault.Solid insulation disjunctor contact box unit 10 is fixed on the metal partion (metp) of compartment.
Bus-bar room module 2 mainly is made of parts such as bus-bar room pressure release passage 3, solid insulation disjunctor contact box unit 10, solid insulated busbar adapter unit 15 and solid insulating sleeve unit 14.The solid main bus bar of bus-bar room module 2 adopts segmentation admittedly to seal, and the lower solid bus that draws of bus-bar room module 2 adopts solid insulated busbar adapter unit 15 to be connected with the solid main bus bar.Three-phase fixed contact in the solid insulation disjunctor contact box unit 10 of bus-bar room module 2 slides with the moving contact of breaker chamber 17 main switches respectively and links to each other.Solid insulation disjunctor contact box unit 10 is integral type or discrete mutually, forms with poured with epoxy resin.Solid insulating sleeve unit 14 links to each other with the solid main bus bar by solid insulated busbar adapter unit 15.Bus-bar room pressure release passage 3 when main bus bar is short-circuited by the channel direction pressure release.
Cable vault's module 1 mainly is made of parts such as cold air interchange channel 6, solid insulation earthed switch unit 7, solid insulation cable terminal unit 8, solid insulation mutual inductor unit 9, solid insulation disjunctor contact box unit 10, front door interlock unit 11, overvoltage protection device 12 and cable ends 13.Cold air interchange channel 6 adopts cold and hot circulation of air to form wind, solves heat dissipation problem.Solid insulation mutual inductor unit 9 adopts and carries disjunctor fuse canister, moving connector assembly formula voltage transformer once.Three-phase fixed contact in the solid insulation disjunctor contact box unit 10 slides with the moving contact of breaker chamber 17 main switches respectively and links to each other.Another leading-out terminal of three-phase fixed contact connects an end of solid insulation mutual inductor unit 9.Solid insulation mutual inductor unit 9 is fixed on the metal partion (metp) of compartment, and another leading-out terminal of solid insulation mutual inductor unit 9 connects solid insulation cable terminal unit 8 by the solid bus.One end of cable end 13 and solid earthed switch unit 7 also connects this solid insulation cable terminal unit 8 ends.Solid insulation earthed switch unit 7 is fixed on cable vault's module 1 front upper part.Fixedly on the cabinet base plate, the other end links to each other with earthed switch overvoltage protection device 11.Front door interlock unit 11 is installed on left plate and earthed switch and circuit breaker and realizes interlock.
Cable vault's module 1 is according to the line of different schemes, as long as change the cable vault's module by combination in any, namely can carry out Optional assembling with the power house module 5 of combination in any or with the bus-bar room module 2 of combination in any, just can derive cable vault's modules such as I type (as shown in Figure 2), II type (as shown in Figure 5), III type (as shown in Figure 6) familial combined hyperlipidemia (as shown in Figure 7), just can realize the multi-scheme combination.Do not give unnecessary details one by one at this.
When on-the-spot combination is installed, after first cable vault's module 1 and bus-bar room module 2 being assembled, assemble again power house module 5.Can realize that like this power house module 5 integral body when maintenance shifts out, after power house module 5 shifts out, can be at the metal partion (metp) of the mutual sealing isolation of the metal partion (metp) of the mutual sealing isolation of the anterior dismounting of cabinet bus-bar room module 2 and cable vault's module 1, bus that can be in cabinet front maintenance bus-bar room module 2 and the solid insulation mutual inductor unit 9 in cable vault's module 1.Like this, the present invention just reaches the real purpose that can make up at the scene, lean on wall installation, cabinet to overhaul previously fully.
Claims (6)
1. modularization withdraw-type solid-state insulated switchgear, comprise cabinet and be assembled in respectively cabinet interior power house module, bus-bar room module and cable vault's module, it is characterized in that: the charged primary conductive element of all in described power house modular tank, bus-bar room modular tank and the cable vault's modular tank, bus, adopt solid dielectric insulation to coat respectively and be packaged into the cabinet module, be connected to form monolithic construction by the power house module by keeper and cable vault's module, bus-bar room module, mutually seal isolation by metal partion (metp) between each module; The power house module is positioned at the top of cabinet front portion, and the bus-bar room module is positioned at top, cabinet rear portion, and cable vault's module is positioned at the cabinet bottom, and each Modular surface is coated with conduction or semiconductive shielding layer, and direct reliable ground.
2. modularization withdraw-type solid-state insulated switchgear according to claim 1, it is characterized in that: described power house module is mainly by three individual compartment, be little bus-bar room, control room, breaker chamber and a power house pressure release passage, control room's protection channel consists of; Be assembled with guide rail interlocking unit, solid insulation middle disposed withdrawn type breaker unit, shutter unit and secondary interlocking unit in the breaker chamber.
3. modularization withdraw-type solid-state insulated switchgear according to claim 1, it is characterized in that: described bus-bar room module is mainly by bus-bar room pressure release passage, solid insulated busbar adapter unit and solid insulating sleeve cell formation.
4. modularization withdraw-type solid-state insulated switchgear according to claim 1, it is characterized in that: described cable vault module mainly is made of cold air interchange channel, solid insulation earthed switch unit, solid insulation cable terminal unit, solid insulation mutual inductor unit, solid insulation disjunctor contact box unit, front door interlock unit, overvoltage protection device and cable end.
5. modularization withdraw-type solid-state insulated switchgear according to claim 1 is characterized in that: carry out Optional assembling by the power house module of the described cable vault module of combination in any and combination in any or with the bus-bar room module of combination in any.
6. modularization withdraw-type solid-state insulated switchgear according to claim 1, it is characterized in that: behind described cable vault module and the bus-bar room module assembled, assemble again the power house module, the power house module after when maintenance, integral body shifted out,, the mutually metal partion (metp) of sealing isolation module and cable vault's module at the anterior dismounting of cabinet bus-bar room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105797209A CN103078263A (en) | 2012-12-28 | 2012-12-28 | Modular movable-type solid insulated switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105797209A CN103078263A (en) | 2012-12-28 | 2012-12-28 | Modular movable-type solid insulated switchgear |
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| CN103078263A true CN103078263A (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105797209A Pending CN103078263A (en) | 2012-12-28 | 2012-12-28 | Modular movable-type solid insulated switchgear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659659A (en) * | 2013-11-19 | 2015-05-27 | 现代重工业株式会社 | Composite insulated switchboard |
| CN106025901A (en) * | 2016-07-06 | 2016-10-12 | 河北箱变电器有限公司 | Solid insulation ring network cabinet |
| CN106159784A (en) * | 2016-06-30 | 2016-11-23 | 刘勤春 | A kind of modular low-voltage electrical apparatus |
| CN109193518A (en) * | 2018-10-30 | 2019-01-11 | 广东电网有限责任公司 | Cable connection box |
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| CN202395363U (en) * | 2011-12-20 | 2012-08-22 | 刘凯平 | Clad switch device |
| CN203103820U (en) * | 2012-12-28 | 2013-07-31 | 淄博金龙电力设备股份有限公司 | Modular withdrawable solid insulated switchgear |
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- 2012-12-28 CN CN2012105797209A patent/CN103078263A/en active Pending
Patent Citations (8)
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| CN2355478Y (en) * | 1999-01-13 | 1999-12-22 | 厦门Abb开关有限公司 | Armoured closed metal cabinet for electric distribution |
| CN101345398A (en) * | 2008-08-18 | 2009-01-14 | 安徽中安恒宇电气传动有限公司 | Central-positioned switch cabinet |
| CN201374516Y (en) * | 2008-12-24 | 2009-12-30 | 孙伟峰 | Switch cabinet with detachable baffles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659659A (en) * | 2013-11-19 | 2015-05-27 | 现代重工业株式会社 | Composite insulated switchboard |
| CN106159784A (en) * | 2016-06-30 | 2016-11-23 | 刘勤春 | A kind of modular low-voltage electrical apparatus |
| CN106025901A (en) * | 2016-07-06 | 2016-10-12 | 河北箱变电器有限公司 | Solid insulation ring network cabinet |
| CN109193518A (en) * | 2018-10-30 | 2019-01-11 | 广东电网有限责任公司 | Cable connection box |
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Application publication date: 20130501 |