CN102957107A - Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas - Google Patents
Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas Download PDFInfo
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- CN102957107A CN102957107A CN2011102538759A CN201110253875A CN102957107A CN 102957107 A CN102957107 A CN 102957107A CN 2011102538759 A CN2011102538759 A CN 2011102538759A CN 201110253875 A CN201110253875 A CN 201110253875A CN 102957107 A CN102957107 A CN 102957107A
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Abstract
The invention discloses a solid insulated high-voltage vacuum switch cabinet utilizing an environment-friendly gas, wherein the solid insulated high-voltage vacuum switch cabinet comprises a low voltage chamber, a vacuum circuit breaker chamber, a cable chamber, a decompression chamber and a main circuit gas filled compartment; the main circuit gas filled compartment is installed on the back upper part of a cabinet body to form an internal and external double-layer structure with a switch cabinet shell, dry air is filled in the double-layer structure, the vacuum circuit breaker chamber is located in the front middle part of the cabinet body; and an operating mechanism of a three-station isolating/earthing switch, the vacuum circuit breaker chamber with a fixing and sealing post terminal, a handcart and an airtight instrument are installed in the cabinet body. The cabinet body disclosed by the invention omits the SF6 gas harmful to the environment, and the gas filled compartment is insulated by the dry air, therefore, the solid insulated high-voltage vacuum switch cabinet has the advantages of flexible expandability, compact structure, long service life, non maintenance and small volume, and can meet the power consumption demands of areas, industrial and mining enterprises, transformer substations, subways, light railways and railways having tense land, narrow spaces and high demands on reliability.
Description
Technical field
The present invention relates to a kind of solid-insulation high-voltage vacuum switch cabinet, refer in particular to a kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas.
Background technology
The medium pressure gas insulated metal closed switch equipment is the nineties in the last century complete power distribution equipment of new and high technology that gets up of new development in the world, take modularization, multi-functional combination, high reliability and compact conformation as design object, created preeminent accomplishment technical, economically, representing developing direction and the advanced international standard of contemporary medium voltage switchgear equipment, to the expansion of middle pressure field, adopt SF6 gas or SF6 and the N of low-pressure: mist is as dielectric with conventional GIS technology for it.The GIS technology is combined with the switch cubicle technology and forms brand-new complete tandem product be referred to as Cubicle Gas-Insulated Switchgear, and little with its volume, antipollution obtains users' approval very soon, the relative abominable occasions with condition of natural environment such as the particularly suitable reliability requirement is high and underground, plateau, coastal area, application surface is more and more wider.Yet SF6 gas is defined as restriction by " Kyodo Protocol " and uses one of gas as one of six kinds of greenhouse gases.The simultaneously design and installation of circuit breaker all can not be safeguarded and overhaul or are difficult to, can bring great inconvenience to the user under the accident conditions, thereby seek a kind of miniaturization level can satisfy insulating requirements and can reach again the time, few safeguard or non-maintaining high voltage switchgear has become worldwide research topic.At present, domestic existing producer releases solid loop-net cabinet, but is main for the on-load switch of rated current 630A, specified drop-out current 20KA and vacuum circuit-breaker only, and the production manufacturing cost is higher, application surface is relatively little simultaneously, can only use as general loop-network switch cabinet.The demand that only can adapt to general low capacity user.
Summary of the invention
The object of the invention is to overcome defects, provide a kind of and use environment-friendly type gas, press solidly body insulation vacuum high-voltage switch cabinet in easy to maintenance.Cabinet of the present invention has been cancelled environmentally harmful SF6 gas, charging compartment adopts the dry air insulation, but have flexible expansion, compact conformation, long-life, non-maintaining, characteristics that volume is little, can satisfy the electricity consumption requirement of land used anxiety, narrow space, area that reliability requirement is high, industrial and mining enterprises, transformer station, subway, light rail, railway.
The object of the present invention is achieved like this:
A kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas, it includes low-pressure chamber, vacuum interrupter chamber, cable vault, pressure releasing chamber, major loop charging compartment;
Low-pressure chamber is positioned at the front upper part of cabinet, and the secondary component of control protection usefulness is equipped with in inside;
Vacuum interrupter chamber is positioned at the cabinet front middle part, in operating mechanism, the vacuum circuit-breaker with pole, handcart, the airtight table of three-station isolating/grounding switch are installed;
The major loop charging compartment is installed on the upper back of cabinet, form interior outer double-layer structure with switch board housing, inside is filled with dry air, the left and right sides, top is provided with intermediate connector, be connected with the three-phase main bus bar in the intermediate connector, the other end of main bus bar links to each other with the front quiet end of three-station isolating/grounding switch, the middle fixed contact of three-station isolating/grounding switch links to each other with the upper static contact box, the other end of three-station isolating/grounding switch is connected with operating mechanism by the magnetic fluid movable sealing, the other end of upper static contact box links to each other with contact arm on the vacuum circuit-breaker that is positioned at vacuum interrupter chamber, the lower contact arm of vacuum circuit-breaker links to each other with lower fixed contact box, and the other end of lower fixed contact box links to each other with the cable duct tube that is arranged in the cable vault by the conducting rod of a solid insulation;
The cable vault is positioned at the front bottom of cabinet, and cable duct tube, cable connector are equipped with in inside, and an end of cable duct tube links to each other with the conducting rod that is positioned at the major loop charging compartment, and the other end of cable duct tube links to each other with cable connector;
Described pressure releasing chamber is positioned at the rear lower of cabinet.
Further, with the little pile crown for ground connection and connection voltage transformer, can link to each other with earthed switch, little electric current isolating switch respectively on the conducting rod of solid insulation.
Further, the quiet end of little electric current isolating switch links to each other with little electric current conduit by a conducting rod, and the outside of little electric current conduit can connect voltage transformer.
Further, on the cable duct tube straight-through current transformer is installed.
Beneficial effect of the present invention is as follows: 1, environmental protection: than medium pressure gas insulated metal closed switch equipment before, switch cubicle of the present invention has been cancelled environmentally harmful SF6 gas, charging compartment adopts dry air and solid insulation, makes switch cubicle become the switch cubicle of environment-friendly type.
2, insulation is reliable, easy to maintenance: switch cubicle of the present invention adopts three-station isolating/grounding switch, with vacuum circuit-breaker and the dry air insulation of pole, effectively dwindles the width of switch cubicle.Each functional unit and compartment adopt modularized design simultaneously, be conducive in the circuit breaker failure situation quick-replaceable, guarantee that the continuity of switch cubicle power supply, SF6 gas-filled type compact switch cabinet as compared with the past have more easily and safeguard, higher reliability, environmental protection, have higher capacity and a rated current level of cut-offfing simultaneously.Circuit breaker cart has reliably " five is anti-" blocking function.Can prevent various misoperations.The external installation of vacuum circuit-breaker, can carry out care and maintenance to circuit breaker easily, maximum characteristics are fast changeables, have solved the defective that vacuum circuit-breaker could be changed and safeguard to inflatable switch cabinet in the past.The main pole post of vacuum circuit-breaker is pole type, and contact arm has adopted the solid insulation technology, improved the reliability of insulation.
3, fail safe is good: the up and down contact arm of vacuum circuit-breaker is communicated with upper and lower static contact box in the air chamber respectively when circuit breaker is worked.The other end of lower fixed contact links to each other with cable duct tube by the conducting rod of a prefabricated solid insulation.The while is with supplying ground connection and the pile crown that is connected voltage transformer on the conducting rod.Straight-through current transformer can be installed in the outer cable duct tube position of air chamber, and the front portion can connect the line cable.Bottom band making capability small-sized earthing switch and voltage transformer have satisfied the requirement of safe operation of power system with the increase of little isolating switch in the air chamber, have prevented that the user from sending electric possibility, guaranteed personal safety to greatest extent.
Three-station isolating/grounding switch adopts rotary operation, and the magnetic fluid movable sealing has guaranteed movable sealing performance and the useful life of charging compartment.The housing of air chamber and switch cubicle is for independently designing, being double layer design, entail dangers to is not adjacent under air chamber internal fault condition switchgear and the person have ensured to greatest extent personal safety, have been a kind of switch products that IEC62271-200 internal fault arcing requires that satisfies fully.But have flexible expansion, compact conformation, long-life, non-maintaining, characteristics that volume is little.The middle pressure solid-insulation high-voltage vacuum switch cabinet of environment-friendly type gas can satisfy the electricity consumption requirement of land used anxiety, narrow space, area that reliability requirement is high, industrial and mining enterprises, transformer station, subway, light rail, railway.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is cutaway view of the present invention.
Fig. 3 is left view of the present invention.
In the accompanying drawing, 1-low-pressure chamber, 2-vacuum interrupter chamber, 3-cable vault, 4-pressure releasing chamber, 5-major loop charging compartment, 101-cabinet, 201-vacuum circuit-breaker, the operating mechanism of 202-three-station isolating/grounding switch, 203-airtight table, 301-current transformer, 302-cable connector, 501-intermediate connector, 502-main bus bar, 503-three-station isolating/grounding switch, the movable sealing of 504-magnetic fluid, 505-upper static contact box, 506-lower fixed contact box, 507-earthed switch, 508-little electric current isolating switch, the conducting rod of 509-solid insulation, 510-conducting rod, 511-cable duct tube, 512-little electric current conduit.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described in detail.
As shown in Figure 1, 2, 3, the present invention relates to a kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas, it includes low-pressure chamber 1, vacuum interrupter chamber 2, cable vault 3, pressure releasing chamber 4, major loop charging compartment 5.The major loop charging compartment be installed on cabinet the upper back, form interior outer double-layer structure with switch board housing, effectively ensured the possibility of inner arcing fault expansion.Solid insulation formula vacuum circuit-breaker 201 is independent design, be installed on the handcart for the circuit breaker turnover that install the bottom of front middle part, the circuit breaker of switch cubicle, " five-defence block " part of configurable various routines on the handcart, realize " five-defence block " function easily.Switch cabinet body 101 has all been adopted and has been covered aluminium zinc steel plate and assemble after the multiple bending of CNC machine tooling, has guaranteed the consistency of cabinet and machining accuracy, has been convenient to large batch of production simultaneously.
Referring to Fig. 2, the secondary component of control protection usefulness can be installed in low-pressure chamber 1 inside.The operating mechanism 202 of three-station isolating/grounding switch 503 is installed and with the vacuum circuit-breaker 201 of solid pole column, simultaneously airtight table 203 is installed in the vacuum interrupter chamber 2.Be filled with the dry air that is lower than 0.3MPa in the major loop charging compartment 5, its left and right sides, top is provided with intermediate connector 501, be connected with three-phase solid insulation main bus bar 502 in the intermediate connector 501, the other end of main bus bar 502 links to each other with the front quiet end of three-station isolating/grounding switch 503, the middle fixed contact of three-station isolating/grounding switch 503 partly links to each other with the conduction of upper static contact box 505, the moving contact of three-station isolating/grounding switch is connected with magnetic fluid movable sealing 504 by a nylon screw mandrel, the other end of magnetic fluid is connected with operating mechanism 202, during the operating mechanism action moving contact of three-station isolating/grounding switch is seesawed, reach the function of three stations.Vacuum circuit-breaker 201 can seesaw in switch cubicle by the handcart of bottom, reach isolation, test, three positions of working, vacuum circuit-breaker 201 is when the service position, up and down contact arm respectively with upper and lower static contact box 505,506 conduction partly links to each other, the other end of lower fixed contact box 506 conduction parts links to each other with cable duct tube 511 by the conducting rod 509 of a solid insulation, on the conducting rod 509 of solid insulation with for ground connection and connect the little pile crown of voltage transformer, can be respectively and earthed switch 507, little electric current isolating switch 508 links to each other, and reaches respectively the function of ground connection and turn-on voltage instrument transformer.The quiet end of little electric current isolating switch 508 links to each other with little electric current conduit 512 by a conducting rod 510, and the outside of conduit can connect voltage transformer.The other end that is in the cable duct tube 511 in the cable vault 3 can be installed straight-through current transformer 301 and cable connector 302, thereby has formed complete major loop.All docking site in the major loop by oblique docking port, all adopted silicone rubber sleeve and silicone rubber for sealing sealing-in, has guaranteed the insulation property of docking site.When vacuum circuit breaker 201 when open position overhauls, behind the earthed switch 507 that closes; earthed switch and conducting rod 509 are connected; this moment, whole cable vault and pressure releasing chamber all were in good ground state; can effectively prevent anti-electricity or the misdelivery electricity of sending of user, protect personal security purpose thereby reached better.
It is pointed out that to the invention is not restricted to above-mentioned execution mode, any simple modification, equivalent variations and modification that any those skilled in the art do above-described embodiment in based on technical solution of the present invention all belong in protection scope of the present invention.
Claims (4)
1. solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas, it includes low-pressure chamber, vacuum interrupter chamber, cable vault, pressure releasing chamber, major loop charging compartment;
Described low-pressure chamber is positioned at the front upper part of cabinet, and the secondary component of control protection usefulness is equipped with in inside;
Described vacuum interrupter chamber is positioned at the cabinet front middle part, in operating mechanism, the vacuum circuit-breaker with pole, handcart, the airtight table of three-station isolating/grounding switch are installed;
Described major loop charging compartment is installed on the upper back of cabinet, form interior outer double-layer structure with switch board housing, inside is filled with dry air, the left and right sides, top is provided with intermediate connector, be connected with the three-phase main bus bar in the intermediate connector, the other end of main bus bar links to each other with the front quiet end of three-station isolating/grounding switch, the middle fixed contact of three-station isolating/grounding switch links to each other with the upper static contact box, the other end of three-station isolating/grounding switch is connected with operating mechanism by the magnetic fluid movable sealing, the other end of upper static contact box links to each other with contact arm on the vacuum circuit-breaker that is positioned at vacuum interrupter chamber, the lower contact arm of vacuum circuit-breaker links to each other with lower fixed contact box, and the other end of lower fixed contact box links to each other with the cable duct tube that is arranged in the cable vault by the conducting rod of a solid insulation;
Described cable vault is positioned at the front bottom of cabinet, and cable duct tube, cable connector are equipped with in inside, and an end of cable duct tube links to each other with the conducting rod that is positioned at the major loop charging compartment, and the other end of cable duct tube links to each other with cable connector;
Described pressure releasing chamber is positioned at the rear lower of cabinet.
2. a kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas according to claim 1, it is characterized in that: with the little pile crown for ground connection and connection voltage transformer, can link to each other with earthed switch, little electric current isolating switch respectively on the conducting rod of described main solid insulation.
3. a kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas according to claim 1, it is characterized in that: the quiet end of described little electric current isolating switch links to each other with little electric current conduit by a conducting rod, and the outside of little electric current conduit can connect voltage transformer.
4. a kind of solid-insulation high-voltage vacuum switch cabinet that uses environment-friendly type gas according to claim 1 is characterized in that: on the described cable duct tube straight-through current transformer is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102538759A CN102957107A (en) | 2011-08-31 | 2011-08-31 | Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102538759A CN102957107A (en) | 2011-08-31 | 2011-08-31 | Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas |
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| CN102957107A true CN102957107A (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102538759A Pending CN102957107A (en) | 2011-08-31 | 2011-08-31 | Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429041A (en) * | 2015-12-28 | 2016-03-23 | 北京合纵科技股份有限公司 | Air insulated high-voltage switch cabinet |
| CN109494112A (en) * | 2018-11-28 | 2019-03-19 | 河北科力恒久智能开关有限公司 | A kind of vacuum switch ring network cabinet operating mechanism |
| CN111934234A (en) * | 2020-08-10 | 2020-11-13 | 广东明阳电气有限公司 | Inflatable cabinet of marine boosting system |
| CN112531545A (en) * | 2020-11-25 | 2021-03-19 | 北京双杰电气股份有限公司 | Mechanism sealing type gas insulation ring main unit |
| CN113436410A (en) * | 2021-06-02 | 2021-09-24 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | False opening alarm device of high tension switchgear backplate |
| CN114914840A (en) * | 2022-03-10 | 2022-08-16 | 浙江大禾电气成套设备有限公司 | Solid cabinet body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4237139B2 (en) * | 2002-09-30 | 2009-03-11 | 三菱電機株式会社 | Gas insulated switchgear |
| CN201562906U (en) * | 2009-11-25 | 2010-08-25 | 亚洲电力设备(深圳)有限公司 | Gas-filled high voltage switch equipment |
| CN201584681U (en) * | 2009-11-30 | 2010-09-15 | 深圳市惠程电气股份有限公司 | Looped network switch cabinet |
| CN202159922U (en) * | 2011-08-02 | 2012-03-07 | 湖南丰日电源电气股份有限公司 | Solid insulation high-temperature vacuum switch cabinet using environmentally-friendly gas |
-
2011
- 2011-08-31 CN CN2011102538759A patent/CN102957107A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4237139B2 (en) * | 2002-09-30 | 2009-03-11 | 三菱電機株式会社 | Gas insulated switchgear |
| CN201562906U (en) * | 2009-11-25 | 2010-08-25 | 亚洲电力设备(深圳)有限公司 | Gas-filled high voltage switch equipment |
| CN201584681U (en) * | 2009-11-30 | 2010-09-15 | 深圳市惠程电气股份有限公司 | Looped network switch cabinet |
| CN202159922U (en) * | 2011-08-02 | 2012-03-07 | 湖南丰日电源电气股份有限公司 | Solid insulation high-temperature vacuum switch cabinet using environmentally-friendly gas |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429041A (en) * | 2015-12-28 | 2016-03-23 | 北京合纵科技股份有限公司 | Air insulated high-voltage switch cabinet |
| CN109494112A (en) * | 2018-11-28 | 2019-03-19 | 河北科力恒久智能开关有限公司 | A kind of vacuum switch ring network cabinet operating mechanism |
| CN111934234A (en) * | 2020-08-10 | 2020-11-13 | 广东明阳电气有限公司 | Inflatable cabinet of marine boosting system |
| CN112531545A (en) * | 2020-11-25 | 2021-03-19 | 北京双杰电气股份有限公司 | Mechanism sealing type gas insulation ring main unit |
| CN113436410A (en) * | 2021-06-02 | 2021-09-24 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | False opening alarm device of high tension switchgear backplate |
| CN114914840A (en) * | 2022-03-10 | 2022-08-16 | 浙江大禾电气成套设备有限公司 | Solid cabinet body |
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Application publication date: 20130306 |