CN206135290U - Environmental protection gas insulation looped network cabinet - Google Patents
Environmental protection gas insulation looped network cabinet Download PDFInfo
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- CN206135290U CN206135290U CN201621084536.7U CN201621084536U CN206135290U CN 206135290 U CN206135290 U CN 206135290U CN 201621084536 U CN201621084536 U CN 201621084536U CN 206135290 U CN206135290 U CN 206135290U
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Abstract
The utility model provides an environmental protection gas insulation looped network cabinet, it is most including three: switch portion branch, the drive part of mechanism and cabinet body panel beating part, wherein, switch portion divides including isolator (103), killer switch (104), cabinet body panel beating part is including gas tank (101), mechanism room (107) and base (110), gas tank (101) and mechanism room (107) set up on base (110), switch portion divides and is connected with gas tank (101). The utility model discloses a novel environmental protection gas insulated metal -enclosed switchgear of 12kV, inside killer switch and the isolator of containing of switch adopts isolation mode down, through electricity or manual operating mechanism and quadratic element spare, realizes distribution, control and the protection of electric energy.
Description
Technical field
The utility model is related to power distribution equipment, more particularly to environmentally friendly Cubicle Gas-Insulated Switchgear.
Background technology
At present, the 12kV ring main units for using on market are mostly with traditional air insulation, SF6Gas-insulated and solid are exhausted
Based on three kinds of modes of edge.
Wherein, air insulation switch cubicle is placed in high-voltage switch gear and electrical body in unsealed metal cabinet, with air work
For a kind of switchgear of dielectric;SF6Gas insulation switch cabinet is mainly with SF6Gas-filling cabinet is representative, by high-voltage switch gear and height
Electrical body of pressure is placed in and fills SF6Metal enclosed gas tank in, by SF6The good insulating capacity of gas and arc extinguishing ability are reaching
To a kind of switchgear of electrical performance demands;Solid insulation mainly with solid insulating material by vacuum interrupter and high pressure once
Electrical body sealing is wrapped up, and a kind of switchgear of insulation purpose is reached using solid insulation ability.
Its problem for existing and defect are:
Conventional air insulated switch cabinet:Electrification in high voltage partial denudation in ambient air outside, easily by external dust,
Filth, steam etc. affect, and reliability is low, meanwhile, it is alternate and relatively need to ensure more than or equal to 125mm requirements, cabinet size
It is larger.
SF6Gas-filling cabinet:With SF6Gas is dielectric, although good insulation preformance, technology maturation, but SF6Gas is greenhouse
Gas, the impact to environment is larger, and is not easy to reclaim, and deviates to the related environmental protection policy of country, secondly, SF6Gas-filling cabinet is such as
Fruit gas leakage affects larger to switching safety and reliability, and the sealing of material, technique and gas tank for switchgear is one
Individual larger challenge.
Solid insulation switch cabinet:High-voltage switch gear and live part sealing are wrapped up using epoxide resin material, this insulation
Mode is higher to pouring technology requirement first, and the factor such as raw material impurity, bubble, temperature, humidity all will have influence in production process
Dielectric strength and service life;Secondly, the use of solid insulation has high demands to shelf depreciation, is unfavorable for realizing surface full-shield;
Furthermore, this sealing structure, radiating when conductor is powered is restricted, and long-term high temperature can make that insulating materials is aging to cause insulating properties
Can decline, shorten the service life of switch;Additionally, solid insulation once punctures, switch all will be destroyed because non-exchange, ring
Oxygen tree fat belongs to thermosets, not only uneconomical but also not environmentally due to being degraded into solid refuse.
Utility model content
Problem in order to solve prior art, the utility model provides a kind of environmentally friendly gas-insulated ring network cabinet, including opening
Close part, mechanism driving part and cabinet panel beating part;Wherein, switch sections include disconnecting switch, killer switch, cabinet metal plate
Golden part includes gas tank, mechanism chamber and base, and the gas tank and mechanism chamber are arranged on the base, and switch sections connect with gas tank
Connect;
Mechanism driving part is located in mechanism room, and mechanism driving part includes breaker mechanism and interrupter, breaker
Mechanism is fixed by the welding screw on gas tank surface, and the connection for sealing driving member by citcuit-breaker transmission mechanism part and breaker will
Mechanism's power puts on breaker rotating axis, drives killer switch action;Interrupter is fixed by the welding screw on gas tank surface,
And the connection by interrupter driving member and interrupter sealing driving member will put on disconnecting switch rotating shaft in mechanism, drive
Disconnecting switch action.
A kind of environmentally friendly gas-insulated ring network cabinet according to claim, it is characterised in that:The switch sections pass through
The stud of gas tank interior welds is connected with gas tank.
As further improvement of the utility model, also including upper bushing insulator and bushing insulator of trapping, the switch
The partial upper bushing insulator of upper end connection, the lower end Jing branch bars of switch sections are connected to bushing insulator of trapping, have been formed
Whole power circuit.
As further improvement of the utility model, the killer switch include breaker fixed plate, phase insulating board,
Breaker clamping plate, isolation upper static contact, arc-chutes supporting plate, vacuum interrupter, guide plate, be flexible coupling, double threaded screw, excess of stroke spring,
Cluster parachute, wedge, grading shield are climbed in cam, increasing;
The killer switch mainly by it is described be flexible coupling, vacuum interrupter, isolation upper static contact are combined into breaker and open
Major loop is closed, three-phase breaker vacuum interrupter recycles wedge shape by arc-chutes supporting plate, guide plate, breaker Boards wall
Block clamping, in front and back by bolt locking breaker clamping plate, integral, the moved end of vacuum interrupter is combined in connection to breaker fixed plate
Be flexible coupling and three-phase cam is connected, drive the rotation of three-phase cam by six side's rotating shafts, realize that three-phase ganged and vacuum are gone out
The folding of arc chamber;Double threaded screw is provided between vacuum interrupter and excess of stroke spring, one orthodontic of double threaded screw, an anti-tooth is adopted
Increase the hollow out climbed on cluster parachute and breaker clamping plate with silicon rubber to design to increase creep age distance, grading ring is increased on fixing bolt
And isolation upper static contact adds grading shield, and phase insulating board is inserted between phase and phase.
Used as further improvement of the utility model, the disconnecting switch includes:Isolation fixed plate, isolation rotating shaft, isolation
Lower static contact support member, isolation transmission arm, isolation lower static contact, insulating contact stage clip, grounding connection row, knife support, ground connection
Contact, isolation knife and grading ring;
Isolation lower static contact is fixed on isolation lower static contact support member, and isolation knife is by insulating contact stage clip and rotational pin
Connect with lower static contact is isolated, isolation rotating shaft realizes disconnecting switch by cam and isolation transmission arm come the dynamic isolation knife of push/pull
Divide, close, be grounded, isolation rotating shaft is fixed in isolation fixed plate with lower static contact support member is isolated, and grounding contact passes through the company of ground connection
Run in and be fixed on ground knife support, ground knife support is fixed in isolation fixed plate and forms disconnecting switch overall structure;Due to alternate
In small distance, isolation lower static contact support member is alternate to climb muscle design to increase creep age distance by increasing, and isolation knife is provided with
Pressure ring.
Used as further improvement of the utility model, the switch sections also include bus, and it is female that the bus includes that top is expanded
Line and inferior division bus, are connected to form complete path with upper bushing insulator and bushing insulator of trapping.
Used as further improvement of the utility model, the breaker mechanism includes breaker sealing driving member, breaker
Mechanism driving part, breaker rotating axis, the 3rd locking part;The breaker mechanism is the mechanism with reclosing function, breaker
Mechanism driving part seals driving member and drives gas tank inner breaker axis of rotation by breaker, and then drives vacuum interrupter to move
Make, realize the on/off switch of breaker;Breaker mechanism is provided with the 3rd locking part.
Used as further improvement of the utility model, the interrupter includes interrupter sealing driving member, isolation machine
Structure driving member, disconnecting switch rotating shaft, the first locking part, isolated operation axle, ground connection operating shaft, the second locking part;The isolation machine
Structure is three station interrupters, and interrupter driving member seals driving member and drives gas tank internal insulation/ground connection by interrupter
Switch motion, so as to realize point, close, ground connection, the isolated operation axle and ground connection operating shaft of interrupter separate, set on interrupter
There are the first locking part and the second locking part.
Used as further improvement of the utility model, the cabinet of cabinet panel beating part is provided with the sight of disconnecting switch position
Examine hole.
The beneficial effects of the utility model are:
The utility model is 12kV novel environment friendly Cubicle Gas-Insulated Switchgears, and switch internal is opened comprising breaker
Close and disconnecting switch, using lower isolation method, by electricity or manual-operating mechanism and secondary component, realize distribution, the control of electric energy
System and protection.
Description of the drawings
Fig. 1 is the utility model ring main unit overall structure diagram;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the utility model switch core dimensional structure diagram;
Fig. 5 is the front view of Fig. 4;
Fig. 6 is the side view of Fig. 4;
Fig. 7 is breaker mechanism figure;
Fig. 8 is interrupter figure.
Each component names are as follows in figure:
Gas tank 101, branch bar 102, disconnecting switch 103, killer switch 104, upper bushing insulator 105, breaker
Mechanism 106, mechanism chamber 107, interrupter 108, bushing insulator 109 of trapping, base 110;
Breaker fixed plate 201, phase insulating board 202, breaker clamping plate 203, isolation fixed plate 204, isolation rotating shaft
205th, lower static contact support member 206, isolation transmission arm 207, isolation lower static contact 208, insulating contact stage clip 209, ground connection are isolated
Connection row 210, knife support 211, grounding contact 212, isolation knife 213, isolation upper static contact 214, arc-chutes supporting plate 215, true
Empty arc-chutes 216, guide plate 217, the 218, double threaded screw 219 that is flexible coupling, grading ring 220, excess of stroke spring 221, cam 222, increasing are climbed
Cluster parachute 223, wedge 224, grading shield 225;
Breaker sealing driving member 302, citcuit-breaker transmission mechanism part 303, breaker rotating axis 304, the 3rd locking part 305;
Interrupter sealing driving member 402, interrupter driving member 403, disconnecting switch rotating shaft 404, the first locking part
405th, isolated operation axle 406, ground connection operating shaft 407, the second locking part 408.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, this ring main unit, is mainly made up of following three parts:Switch sections, mechanism driving part
With cabinet panel beating part;Wherein, switch sections include disconnecting switch 103, killer switch 104;Cabinet panel beating part includes gas
Case 101, mechanism chamber 107 and base 110, the gas tank 101 and mechanism chamber 107 are arranged on the base 110, and switch sections lead to
The stud for crossing the interior welds of gas tank 101 is connected with gas tank 101, the upper bushing insulator 105 of upper end connection of switch sections, switch portion
Point lower end Jing branch bar 102 be connected to bushing insulator 109 of trapping, form complete power circuit;Mechanism driving part position
In mechanism chamber 107, including breaker mechanism 106 and interrupter 108, the weldering that breaker mechanism 106 passes through the surface of gas tank 101
Connect stud to fix, put on mechanism's power by citcuit-breaker transmission mechanism part 303 and the connection that breaker seals driving member 302 disconnected
Road device rotating shaft 304, drives the action of killer switch 104;In the same manner, interrupter 108 is consolidated by the welding screw on the surface of gas tank 101
It is fixed, and the connection for sealing driving member 402 by interrupter driving member 403 and interrupter will put on disconnecting switch in mechanism
Rotating shaft 404, drives the action of disconnecting switch 103.
A, switch sections:
As shown in Figures 4 to 6:Except disconnecting switch 103, killer switch 104, also including bus, below to switching core
The heart is specifically described:
Killer switch:It is main that breaker is combined into by the 218, vacuum interrupter 216 that is flexible coupling, isolation upper static contact 214
Switch major loop, three-phase breaker vacuum interrupter 216 is consolidated by arc-chutes supporting plate 215, guide plate 217, breaker clamping plate 203
It is fixed, the clamping of wedge 224 is recycled, in front and back breaker fixed plate 201 locks breaker clamping plate 203, connection combination by bolt
It is integral, the moved end of vacuum interrupter be flexible coupling 218 and tripod cam 222 be connected, by six side's rotating shafts drive three-phase
Cam 222 rotates, and realizes the folding of three-phase ganged and vacuum interrupter.Wherein, set between vacuum interrupter and excess of stroke spring 221
Put double threaded screw 219 (orthodontic, an anti-tooth), by adjust double threaded screw, can easily regulating overtravel and open away from, guarantor
The electric property of card vacuum interrupter.In order to increase alternate/relatively insulating properties, increased using silicon rubber and climb cluster parachute 223 and disconnected
Hollow out on the device clamping plate of road designs to increase creep age distance, additionally, increasing quiet in grading ring 220 and isolation on fixing bolt
Contact 214 adds grading shield 225, switch is still ensured that under less the air gap by uniform electric field design enough
Insulating properties, and phase insulating board 202 is inserted between phase and phase, strengthen phase insulation ability, so as to realize that cabinet is minimized
Purpose.
Disconnecting switch:Isolation lower static contact 208 is fixed on isolation lower static contact support member 206, and isolation knife 213 is by isolation
Contact stage clip 209 and rotational pin connect with lower static contact 208 is isolated, and isolation rotating shaft 205 is by cam and isolation transmission arm 207
Carry out the dynamic isolation knife 213 of push/pull and realize dividing, close, being grounded for disconnecting switch, isolate rotating shaft 205 and isolate lower static contact support member 206
It is fixed in isolation fixed plate 204, grounding contact 212 is fixed on ground knife support 211 by grounding connection row 210, ground knife
Frame 211 is fixed in isolation fixed plate 204 and forms disconnecting switch overall structure;Because phase spacing is less, isolate lower static contact
Support member 206 is alternate to climb muscle design to increase creep age distance by increasing, and isolation knife 213 is provided with special grading ring 220
Reach the effect of electric Field Optimization.
Bus:Bus includes that bus and inferior division bus are expanded in top, with switch sections, upper bushing insulator, pipe insulation of trapping
Son connection forms complete path, is easy to scene to change trouble unit using upper outlet method, and reducing to have a power failure affects.
B, mechanism driving part:
As shown in Figure 7:
Breaker mechanism 106 is the mechanism with reclosing function, and citcuit-breaker transmission mechanism part 303 is sealed by breaker
Driving member 302 drives gas tank inner breaker rotating shaft 304 to rotate, and then drives vacuum interrupter action, realizes the conjunction point of breaker
Lock;Breaker mechanism is provided with the 3rd special locking part 305, and Main Function is to realize that breaker is closed with the interlocking of disconnecting switch
System's (five anti-interlock requirements), specially:Killer switch 104 can not carry out combined floodgate behaviour when disconnecting switch 103 is in open position
Make, be also prevented from the disjunction disconnecting switch 103 under "on" position of killer switch 104.
As shown in Figure 8:
Three station interrupters 108, interrupter driving member 403 seals driving member 402 and drives gas tank by interrupter
Internal insulation/earthed switch action, so as to realize point, close, ground connection, the isolated operation axle 406 of three station interrupters 108 and connect
Ground operating shaft 407 separates, and prevents switch from directly getting to earthing position from closing position, prevents maloperation, three station interrupters
The first locking part 405 and the second locking part 408 are specially provided with 108, prevent from being carried out under killer switch "on" position separating brake every
From switching manipulation, lower point of earthed switch of the non-off status of cabinet door etc. is prevented, realize five anti-interlockings.
C, cabinet panel beating part:
Bottom base of cabinet body is processed using aluminizing zine plate, and structural strength is high, and corrosion resistance is strong, and panel is with lower door-plate using cold
Plate plastic-blasting, panel is equipped with PVC facial masks, makes whole cabinet body structure attractive in appearance, and mark is clear.
Disconnecting switch position observation hole is designed with cabinet, isolation can be watched by the transparent windows with illumination
The position of switch, it is ensured that safety operation.
Working method:
Environmentally friendly gas-insulated ring network cabinet can be used for looped network distribution system and box switching station, set as 10kV panel switches
It is standby.Manually operated or electric operating can be adopted, automatic control terminal is equipped with and is capable of achieving power distribution automation switchgear, concrete work
Make mode as follows:
Ring main unit power-on servicing:
1st, lower cabinet door is shut, operation handle is inserted into the ground connection handle hole on panel, rotate counterclockwise, until hearing " bang "
A sound, ground connection, switch separating brake, disconnecting switch reach isolated location;
2nd, operation handle is inserted into the isolated operation hole on panel, is turned clockwise, until hearing " bang " a sound, isolation
Switch reaches closing position;
3rd, breaker closing
Electric operating:Energy storage motor starts energy storage after being powered, until hearing " " a sound after energy storage complete, energy storage is spacing
Energy storage motor power supply is switched off, energy storage motor stops;By switch knob on electric cabinet, after closing coil energization action, open circuit
Device closes a floodgate;After energy storage and energy release, energy storage motor power on completes energy storage, is next electric switch-on ready (reclosing).
It is manually operated:By operation handle insertion stored energy operation hole, turn clockwise, until hearing " " a sound after, press
Closing by hand button on panel, breaker closing;
Ring main unit power operation:
1st, breaker open operation
Electric operating:By electronic opening button on electric cabinet, after switching winding action, breaker open operation;
It is manually operated:By manual opening button, breaker open operation on panel;
2nd, operation handle is inserted into the isolated operation hole on isolating switch mechanism, rotate counterclockwise, until hearing " bang "
One sound, disconnecting switch reaches isolated location;
3rd, operation handle is inserted into the ground connection handle hole on isolating switch mechanism, is turned clockwise, until hearing " bang "
One sound, earthed switch closes a floodgate, and isolation knife reaches earthing position;
4th, when disconnecting switch is located at earthing position, lower cabinet door can be opened.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Identification is of the present utility model to be embodied as being confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be regarded
To belong to protection domain of the present utility model.
Claims (9)
1. a kind of environmentally friendly gas-insulated ring network cabinet, it is characterised in that:Including switch sections, mechanism driving part and cabinet panel beating portion
Point;Wherein, switch sections include disconnecting switch(103), killer switch(104), cabinet panel beating part includes gas tank(101)、
Mechanism chamber(107)And base(110), the gas tank(101)And mechanism chamber(107)It is arranged on the base(110)On, switch portion
Divide and gas tank(101)Connection;
Mechanism driving part is located at mechanism chamber(107)Interior, mechanism driving part includes breaker mechanism(106)And interrupter
(108), breaker mechanism(106)By gas tank(101)The welding screw on surface is fixed, by citcuit-breaker transmission mechanism part
(303)Driving member is sealed with breaker(302)Connection mechanism's power is put on into breaker rotating axis(304), drive breaker to open
Close(104)Action;Interrupter(108)By gas tank(101)The welding screw on surface is fixed, and by interrupter driving member
(403)Driving member is sealed with interrupter(402)Connection disconnecting switch rotating shaft will be put in mechanism(404), drive isolation
Switch(103)Action.
2. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The switch sections pass through gas
Case(101)The stud and gas tank of interior welds(101)Connection.
3. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:Also include upper bushing insulator
(105)With bushing insulator of trapping(109), the upper bushing insulator of upper end connection of the switch sections(105), under switch sections
End Jing branch bars(102)It is connected to bushing insulator of trapping(109), form complete power circuit.
4. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The killer switch
(104)Including breaker fixed plate(201), phase insulating board(202), breaker clamping plate(203), isolation upper static contact(214)、
Arc-chutes supporting plate(215), vacuum interrupter(216), guide plate(217), be flexible coupling(218), double threaded screw(219), excess of stroke spring
(221), cam(222), increase climb cluster parachute(223), wedge(224), grading shield(225);
The killer switch(104)Mainly it is flexible coupling by described(218), vacuum interrupter(216), isolation upper static contact
(214)It is combined into killer switch major loop, three-phase breaker vacuum interrupter(216)By arc-chutes supporting plate(215), be oriented to
Plate(217), breaker clamping plate(203)It is fixed, recycle wedge(224)Clamping, in front and back breaker fixed plate(201)By spiral shell
The tight breaker clamping plate of bolt-lock(203), connection combination it is integral, the moved end of vacuum interrupter be flexible coupling(218)And three-phase is convex
Wheel(222)Connection, by six side's rotating shafts three-phase cam is driven(222)Rotation, realizes opening for three-phase ganged and vacuum interrupter
Close;Vacuum interrupter and excess of stroke spring(221)Between be provided with double threaded screw(219), double threaded screw(219)One orthodontic, one
Anti- tooth, is increased using silicon rubber and climbs cluster parachute(223)Increase creep age distance with the hollow out design on breaker clamping plate, in fixing bolt
Upper increase grading ring(220)And isolation upper static contact(214)Add grading shield(225), and phase is inserted between phase and phase
Between insulation board(202).
5. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The disconnecting switch(103)
Including:Isolation fixed plate(204), isolation rotating shaft(205), isolation lower static contact support member(206), isolation transmission arm(207), every
From lower static contact(208), insulating contact stage clip(209), grounding connection row(210), knife support(211), grounding contact
(212), isolation knife(213)And grading ring(220);
Isolation lower static contact(208)It is fixed on isolation lower static contact support member(206), isolation knife(213)By insulating contact pressure
Spring(209)And rotational pin with isolate lower static contact(208)Connection, isolates rotating shaft(205)By cam and isolation transmission arm
(207)Carry out the dynamic isolation knife of push/pull(213)Dividing, close, being grounded for disconnecting switch is realized, isolates rotating shaft(205)With isolate lower static contact
Support member(206)It is fixed on isolation fixed plate(204)On, grounding contact(212)Arranged by grounding connection(210)It is fixed on ground knife
Support(211)On, ground knife support(211)It is fixed on isolation fixed plate(204)Upper formation disconnecting switch overall structure;Due to alternate
It is in small distance, isolate lower static contact support member(206)It is alternate to climb muscle design to increase creep age distance, isolation knife by increasing
(213)It is provided with grading ring(220).
6. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 3, it is characterised in that:The switch sections also include
Bus, the bus includes that bus and inferior division bus are expanded in top, with upper bushing insulator(105)With bushing insulator of trapping(109)
Connection forms complete path.
7. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The breaker mechanism
(106)Driving member is sealed including breaker(302), citcuit-breaker transmission mechanism part(303), breaker rotating axis(304), the 3rd interlocking
Part(305);The breaker mechanism(106)It is the mechanism with reclosing function, citcuit-breaker transmission mechanism part(303)By disconnected
Road device sealing driving member(302)Drive gas tank inner breaker rotating shaft(304)Rotate, and then drive vacuum interrupter action, realize
The on/off switch of breaker;Breaker mechanism is provided with the 3rd locking part(305).
8. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The interrupter(108)
Driving member is sealed including interrupter(402), interrupter driving member(403), disconnecting switch rotating shaft(404), the first locking part
(405), isolated operation axle(406), ground connection operating shaft(407), the second locking part(408);The interrupter(108)For three works
Position interrupter, interrupter driving member(403)Driving member is sealed by interrupter(402)Drive gas tank internal insulation/connect
Ground switch motion, so as to realize point, closes, is grounded, interrupter(108)Isolated operation axle(406)With ground connection operating shaft(407)
Separate, interrupter(108)It is provided with the first locking part(405)With the second locking part(408).
9. a kind of environmentally friendly gas-insulated ring network cabinet according to claim 1, it is characterised in that:The cabinet of cabinet panel beating part
Panel is provided with disconnecting switch position observation hole.
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CN201621084536.7U CN206135290U (en) | 2016-09-27 | 2016-09-27 | Environmental protection gas insulation looped network cabinet |
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CN201621084536.7U CN206135290U (en) | 2016-09-27 | 2016-09-27 | Environmental protection gas insulation looped network cabinet |
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CN107359536A (en) * | 2017-08-09 | 2017-11-17 | 上海南华兰陵电气有限公司 | Environmentally friendly gas-insulated ring network cabinet |
CN108134337A (en) * | 2017-12-27 | 2018-06-08 | 上海正昊电力科技有限公司 | Breaker module and the environmentally friendly gas-insulated ring network cabinet for including it |
CN108512108A (en) * | 2018-06-07 | 2018-09-07 | 尹铁军 | It is a kind of to substitute the gas isolated metal enclosed switchgears of SF6 with air |
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CN110350437A (en) * | 2018-04-08 | 2019-10-18 | 通用电气公司 | Gas-insulated switchgear and its insulating spacer |
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CN107359536A (en) * | 2017-08-09 | 2017-11-17 | 上海南华兰陵电气有限公司 | Environmentally friendly gas-insulated ring network cabinet |
CN108134337A (en) * | 2017-12-27 | 2018-06-08 | 上海正昊电力科技有限公司 | Breaker module and the environmentally friendly gas-insulated ring network cabinet for including it |
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CN108512108A (en) * | 2018-06-07 | 2018-09-07 | 尹铁军 | It is a kind of to substitute the gas isolated metal enclosed switchgears of SF6 with air |
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CN110970272A (en) * | 2019-11-30 | 2020-04-07 | 河南平高通用电气有限公司 | Circuit breaker and gas insulated switchgear using same |
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CN113328370A (en) * | 2021-06-04 | 2021-08-31 | 长园电力技术有限公司 | Upper isolation upper grounding environment-friendly gas insulation ring main unit |
CN113328370B (en) * | 2021-06-04 | 2022-03-01 | 长园电力技术有限公司 | Upper isolation upper grounding environment-friendly gas insulation ring main unit |
CN115566569A (en) * | 2022-11-09 | 2023-01-03 | 黄华集团有限公司 | Environment-friendly gas insulation switch cabinet |
CN115566569B (en) * | 2022-11-09 | 2023-06-06 | 黄华集团有限公司 | Environment-friendly gas-insulated switchgear |
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