CN106786114A - A kind of intelligent environmentally friendly gas ring main unit of magneto - Google Patents
A kind of intelligent environmentally friendly gas ring main unit of magneto Download PDFInfo
- Publication number
- CN106786114A CN106786114A CN201611269269.5A CN201611269269A CN106786114A CN 106786114 A CN106786114 A CN 106786114A CN 201611269269 A CN201611269269 A CN 201611269269A CN 106786114 A CN106786114 A CN 106786114A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- operating mechanism
- magnet type
- main unit
- ring main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention relates to a kind of intelligent environmentally friendly gas ring main unit of magneto.Including permanent magnet type operating mechanism(1), three station operating mechanisms(2), intelligent control unit(3), looped network cabinet switch body(4)And housing(5);Also include and the permanent magnet type operating mechanism(1)The close/open machine of connection, the close/open machine includes tripping spring(103), the tripping spring(103)One end is fixed on tripping spring installing plate(108)On, the tripping spring(103)The other end is connected to permanent magnet type operating mechanism by rotating mechanism(1), and make permanent magnet type operating mechanism(1)As close/open machine links.The invention provides a kind of a kind of safe and reliable, intelligent environment protection intelligent environmentally friendly gas ring main unit of magneto.
Description
Technical field
The present invention relates to a kind of intelligent environmentally friendly gas ring main unit of magneto, belong to the technical field of ring main unit.
Background technology
Ring main unit is that in recent years, market sets to distribution using one of quite extensive equipment for power transmission and distribution in high pressure power transmission and distribution
The environment-friendly types of product such as standby ring main unit, intelligent requirement are improved constantly.Because there is environmental pollution in existing SF6 gases ring main unit
Problem, is replaced by environment-friendly type ring main unit at last;And the solid insulation ring main unit of great expectations is given in some regions by market, it is such as magnificent
East, South China, because humiture is larger, easily there is condensation in its epoxy resins insulation box house, produce ponding, cause insulation
Failure, it is very harmful.Existing ring main unit has further room for promotion in terms of intelligentized control method at present simultaneously.
The content of the invention
The present invention is directed to drawbacks described above, it is therefore intended that provide a kind of a kind of safe and reliable, intelligent environment protection magneto intelligence
Type environmental protection gas ring main unit.
For this technical solution adopted by the present invention is:The present invention includes permanent magnet type operating mechanism(1), three station operating mechanisms
(2), intelligent control unit(3), looped network cabinet switch body(4)And housing(5);
Also include and the permanent magnet type operating mechanism(1)The close/open machine of connection, the close/open machine includes tripping spring
(103), the tripping spring(103)One end is fixed on tripping spring installing plate(108)On, the tripping spring(103)It is another
End is connected to permanent magnet type operating mechanism by rotating mechanism(1), and make permanent magnet type operating mechanism(1)As close/open machine joins
It is dynamic.
The rotating mechanism includes that one end is contradicted in the tripping spring(103)On tripping spring bar(102), described point
Lock spring lever(102)The other end is hinged on yoke plate(106)One end, the yoke plate(106)The other end and magneto operation machine
Structure(1)Connect and drive the permanent magnet type operating mechanism(1)It is mobile.
Also include manual brake separating mechanism(6), the manual brake separating mechanism(6)Including separating brake axle(601), reduction torsion spring
(602)With manual brake separating installing plate(110);
The separating brake axle(601)By manual brake separating installing plate(110)Position and rotatable, the reduction torsion spring(602)Around being located at
Affiliated separating brake axle(601)On, the separating brake axle(601)It is additionally provided with by the separating brake axle(601)Drive the linkage for rotating, institute
State linkage output end and the permanent magnet type operating mechanism(1)Connect and driven movement.
The linkage includes being set in the separating brake axle(601)On companion separating brake axle(601)It is synchronous operated to turn
Arm, the connecting lever drives flange(109)Rotate, the flange is connected to the permanent magnet type operating mechanism(1).
The permanent magnet type operating mechanism(1)By mechanism's installing plate(101)It is fixed on housing(5)On, the yoke plate(106)
Go up and it is vertically connected with rotary shaft(104), the rotary shaft(104)By copper sheathing(105)It is articulated in mechanism's installing plate(101)
With manual brake separating installing plate(110)Between.
Also include intelligent control unit(3), the intelligent control unit(3)It is installed on housing(5)Control room(501)
It is interior, it is made up of control panel and driving plate two parts.
The looped network cabinet switch body(4)And permanent magnet type operating mechanism(1)Connection, by insulated tension pole(406), main shaft
(404), main connecting lever(405), input connecting lever(403), pin(402)And contiguous block(401)Composition;
The insulated tension pole(406)By main connecting lever(405)It is connected to main shaft(404)On, the main shaft(404)It is arranged with driving
Main shaft(404)The input connecting lever of operating(403), the input connecting lever(403)Upper connection makes the input connecting lever(403)Operating
The contiguous block being fixedly installed(401), the input connecting lever(4)By pin(402)Relative contiguous block is realized(401)Rotation connect
Connect.
The looped network cabinet switch body(4)By the gas tank room of stainless steel(503)It is fully sealed, its major loop includes upper appearance
Sleeve pipe(407), branch bar (408), pole(409), isolation knife(410), integral type static contact(411)And main bus-bar
Sleeve pipe(412).
It is an advantage of the invention that:1)Permanent magnet type operating mechanism of the present invention is monostable dynamic iron core built-in type permanent-magnet mechanism, point
Lock external spring, makes permanent magnet mechanism volume smaller, facilitates installing/dismounting, while reducing cost again;Open position has smaller
Separating brake confining force, while equipped with miniaturization oil bumper, make looped network cabinet switch body opening characteristic more preferable;Magneto is grasped
Make mechanism while being provided with manual brake separating mechanism, it is ensured that its when needed cocoa lean on manual brake separating.
2)The present invention passes through innovative design, there is provided a kind of more safe and reliable, intelligent, the new looped network of environmental protection
Cabinet, has on the one hand prevented the internal condensation that the greenhouse gases and solid insulation ring main unit of existing SF6 gases ring main unit presence are present
Two large problems;On the other hand, intelligentized choosing is first closes the technology content that phase control improves product, complies with the hair of power distribution automation
Exhibition trend.The first conjunction of looped network cabinet switch is closed in voltage zero-cross and can effectively reduce inrush phenomenon and switching overvoltage, and it is right to reduce
The impact of power network;Switch contact abrasion, extension power equipment life-span can be reduced simultaneously, improve the quality of power supply, raising system stabilization
Property.
3)Intelligent control unit of the present invention outside GPF (General Protection False, control and monitoring function is provided, open by achievable ring main unit
Close first phase voltage zero passage of closing to close, reduce inrush phenomenon and switching overvoltage, reduce the impact to power network;Switch can be reduced simultaneously
Contact abrasion, extension power equipment life-span, the improvement quality of power supply, the raising stability of a system.The looped network cabinet switch body is used
Vacuum extinction, hermetically sealed, dry air be major insulation, a small amount of solid insulation support member, major loop without any encapsulating, using it is micro- just
Pressure drying air insulation, reduces the probability of gas leakage, even if gas tank occurs principal fault, foot is maintained still in zero gauge pressure
Enough dielectric strengths do not interfere with normal operation;Gas tank shell reliable ground is sealed simultaneously, it is ensured that the peace of operation maintenance personnel
Entirely.The housing moduleization design, each functional module optimizes, assembles simple, easy to process, greatly improves production efficiency.
Brief description of the drawings
Fig. 1 is front view of the invention.
Fig. 2 is left view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is instance graph of the invention.
Fig. 5 is permanent magnet type operating mechanism front view of the present invention.
Fig. 6 is permanent magnet type operating mechanism of the present invention and looped network cabinet switch body connected mode instance graph.
Fig. 7 is looped network cabinet switch body construction front view of the present invention.
In Fig. 1~Fig. 71 be permanent magnet type operating mechanism, 2 be three station operating mechanisms, 3 be intelligent control unit, 4 be looped network
Cabinet Switch main body, 5 be housing, 6 be manual brake separating mechanism.101 is mechanism's installing plate, 102 is tripping spring bar, 103 is separating brake
Spring, 104 be rotary shaft, 105 be copper sheathing, 106 be yoke plate, 107 be pin, 108 be tripping spring installing plate, 109 be flange,
110 is manual brake separating installing plate.401 is contiguous block, 402 is pin, 403 is input connecting lever, 404 is main shaft, 405 is main connecting lever,
406 be insulated tension pole, 407 under occur sleeve pipe, 408 be branch bar, 409 be pole, 410 be isolation knife, 411 be one
Body formula static contact, 412 be main bus casing, 413 be earthing bar, 414 be observation window.501 is control room, 502 is mechanism chamber,
503 is gas tank room, 504 is cable vault.601 is separating brake axle, 602 is reduction torsion spring.
Specific embodiment
As shown in Fig. 1~Fig. 7:The present invention/to invent be a kind of intelligent environmentally friendly gas ring main unit of magneto, is mainly included
Permanent magnet type operating mechanism 1, three station operating mechanisms 2, intelligent control unit 3, looped network cabinet switch body 4 and housing 5.
The permanent magnet type operating mechanism 1 is fixed in the mechanism chamber 502 of housing 5 by mechanism's installing plate 101, magneto behaviour
Make mechanism 1 for monostable dynamic iron core built-in type permanent-magnet mechanism, tripping spring 103 is external.The one end of the tripping spring 103 is spacing solid
Due on tripping spring installing plate 108, the other end is realized dividing by tripping spring bar 102, rotary shaft 104, yoke plate 106, pin 107
The linkage of brake spring 103 and permanent magnet type operating mechanism core bar.The rotary shaft 104 is articulated in mechanism's installing plate 101 by copper sheathing 105
It is simple and reliable between manual brake separating installing plate 110.The design of innovation makes permanent magnet mechanism volume smaller, facilitates installing/dismounting, together
When reduce cost again.The permanent magnet type operating mechanism 1 is provided with manual brake separating mechanism 6 simultaneously.The manual brake separating mechanism 6 is provided with
Separating brake axle 601, reduction torsion spring 602 etc., when permanent magnet type operating mechanism 1 is located at closing position, manually separating brake handle up time
Pin rotation separating brake axle 601, the connecting lever on separating brake axle 601 drives flange 109 to move together, the flange 109 be located at magneto
Core bar on operating mechanism 1 fixes threaded connection, so as to realize the sub-switching operation of permanent magnet type operating mechanism 1.The magneto behaviour
There is less separating brake confining force when making mechanism 1 positioned at open position, while equipped with miniaturization oil bumper 111, switch can be made
Opening characteristic is more preferable.
Three station operating mechanism 2 is connected by single shaft, can the direct station isolation knife 410 of rotation process three, applied
Patent(The patent No.:ZL201620049814.9).Three station operating mechanism 2 is fixed on mechanism's installing plate 101 by screw rod,
Mechanism's installing plate 101 is bolted the mechanism chamber 502 for being fixed on housing 5.
The intelligent control unit 3 is installed in the control room 501 of housing 5.The intelligent control unit 3 is main by controlling
Plate and driving plate two parts are constituted, and outside GPF (General Protection False, control and monitoring function is provided, are capable of achieving looped network cabinet switch head and are closed phase
Voltage zero-cross is closed, and reduces inrush phenomenon and switching overvoltage, reduces the impact to power network;Switch contact mill can be reduced simultaneously
Damage, extend the power equipment life-span, improve the quality of power supply, improve the stability of a system.
The looped network cabinet switch body 4 is by main shaft 404, main connecting lever 405, input connecting lever 403, pin 402 and contiguous block 401
Realize its connection with permanent magnet type operating mechanism.The looped network cabinet switch body 4 is fully sealed by the gas tank room 503 of stainless steel,
Its major loop include under occur sleeve pipe 407, branch bar 408, pole 409, isolation knife 410, integral type static contact 411 with
And the grade of main bus-bar sleeve pipe 412 composition.The patent applied for of integral type static contact 411(The patent No.:ZL201520984552).Institute
Looped network cabinet switch body 4 is stated to use vacuum extinction, hermetically sealed, dry air for major insulation, a small amount of solid insulation support member, lead back
Road is insulated without any encapsulating using pressure-fired power dry air, the probability of gas leakage is reduced, even if gas tank room 503 occurs
Principal fault, still maintains enough dielectric strengths not interfere with normal operation in zero gauge pressure.While the shell of blanket gas chamber 503
It is grounded by earthing bar 413, and whether the reliable ground of isolation knife 410 can be observed by observation window 414, it is ensured that operation maintenance people
The safety of member.
The modularized design of the housing 5, including control room 501, mechanism chamber 502, gas tank room 503 and cable vault 504, each work(
Energy module optimizes, assembles simple, easy to process, greatly improves production efficiency.
Claims (8)
1. the intelligent environmentally friendly gas ring main unit of a kind of magneto, it is characterised in that including permanent magnet type operating mechanism(1), three stations
Operating mechanism(2), intelligent control unit(3), looped network cabinet switch body(4)And housing(5);
Also include and the permanent magnet type operating mechanism(1)The close/open machine of connection, the close/open machine includes tripping spring
(103), the tripping spring(103)One end is fixed on tripping spring installing plate(108)On, the tripping spring(103)It is another
End is connected to permanent magnet type operating mechanism by rotating mechanism(1), and make permanent magnet type operating mechanism(1)As close/open machine joins
It is dynamic.
2. a kind of intelligent environmentally friendly gas ring main unit of magneto according to claim 1, it is characterised in that the whirler
Structure includes that one end is contradicted in the tripping spring(103)On tripping spring bar(102), the tripping spring bar(102)It is another
End is hinged on yoke plate(106)One end, the yoke plate(106)The other end and the permanent magnet type operating mechanism(1)Connect and drive institute
State permanent magnet type operating mechanism(1)It is mobile.
3. the intelligent environmentally friendly gas ring main unit of a kind of magneto according to claim 2, it is characterised in that also include hand
Dynamic brake separating mechanism(6), the manual brake separating mechanism(6)Including separating brake axle(601), reduction torsion spring(602)Installed with manual brake separating
Plate(110);
The separating brake axle(601)By manual brake separating installing plate(110)Position and rotatable, the reduction torsion spring(602)Around being located at
Affiliated separating brake axle(601)On, the separating brake axle(601)It is additionally provided with by the separating brake axle(601)Drive the linkage for rotating, institute
State linkage output end and the permanent magnet type operating mechanism(1)Connect and driven movement.
4. a kind of intelligent environmentally friendly gas ring main unit of magneto according to claim 3, it is characterised in that the connecting rod machine
Structure includes being set in the separating brake axle(601)On companion separating brake axle(601)Synchronous operated connecting lever, the connecting lever drives flange
(109)Rotate, the flange is connected to the permanent magnet type operating mechanism(1).
5. a kind of intelligent environmentally friendly gas ring main unit of magneto according to claim 1, it is characterised in that the magneto
Operating mechanism(1)By mechanism's installing plate(101)It is fixed on housing(5)On, the yoke plate(106)Go up and it is vertically connected with rotation
Rotating shaft(104), the rotary shaft(104)By copper sheathing(105)It is articulated in mechanism's installing plate(101)With manual brake separating installing plate
(110)Between.
6. the intelligent environmentally friendly gas ring main unit of a kind of magneto according to claim 1, it is characterised in that also including intelligence
Control unit(3), the intelligent control unit(3)It is installed on housing(5)Control room(501)It is interior, by control panel and driving plate
Two parts are constituted.
7. a kind of intelligent environmentally friendly gas ring main unit of magneto according to claim 1, it is characterised in that the ring main unit
Switch main body(4)And permanent magnet type operating mechanism(1)Connection, by insulated tension pole(406), main shaft(404), main connecting lever(405), input
Connecting lever(403), pin(402)And contiguous block(401)Composition;
The insulated tension pole(406)By main connecting lever(405)It is connected to main shaft(404)On, the main shaft(404)It is arranged with driving
Main shaft(404)The input connecting lever of operating(403), the input connecting lever(403)Upper connection makes the input connecting lever(403)Operating
The contiguous block being fixedly installed(401), the input connecting lever(4)By pin(402)Relative contiguous block is realized(401)Rotation connect
Connect.
8. a kind of intelligent environmentally friendly gas ring main unit of magneto according to claim 1, it is characterised in that the ring main unit
Switch main body(4)By the gas tank room of stainless steel(503)It is fully sealed, its major loop includes sleeve pipe occur(407), branch bar
(408), pole(409), isolation knife(410), integral type static contact(411)And main bus-bar sleeve pipe(412).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611269269.5A CN106786114B (en) | 2016-12-31 | 2016-12-31 | A kind of intelligent environmentally friendly gas ring network cabinet of magneto |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611269269.5A CN106786114B (en) | 2016-12-31 | 2016-12-31 | A kind of intelligent environmentally friendly gas ring network cabinet of magneto |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106786114A true CN106786114A (en) | 2017-05-31 |
CN106786114B CN106786114B (en) | 2019-02-22 |
Family
ID=58951654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611269269.5A Active CN106786114B (en) | 2016-12-31 | 2016-12-31 | A kind of intelligent environmentally friendly gas ring network cabinet of magneto |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106786114B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108695759A (en) * | 2018-08-08 | 2018-10-23 | 北京科锐配电自动化股份有限公司 | A kind of gas-insulated ring network cabinet with quick acting switching-off function |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102097225A (en) * | 2009-12-10 | 2011-06-15 | 浙宝电气(杭州)集团有限公司 | Breaker with permanent magnet mechanism |
CN103151723A (en) * | 2013-04-07 | 2013-06-12 | 深圳市金博联电力技术有限公司 | Completely-sealed and complete-solid insulation ring main unit |
CN203300541U (en) * | 2013-06-08 | 2013-11-20 | 西安交大思源智能电器有限公司 | Monostablity side-mounted permanent-magnet vacuum circuit breaker |
CN204303587U (en) * | 2014-12-07 | 2015-04-29 | 扬州北辰电气设备有限公司 | A kind of modularization permanent-magnetism mechanism manual brake separating mechanism |
CN205335738U (en) * | 2015-12-24 | 2016-06-22 | 沈阳昊诚电气有限公司 | Totally enclosed miniaturized cubical switchboard of gaseous all insulation of environmental protection |
CN106253120A (en) * | 2016-07-27 | 2016-12-21 | 张力 | A kind of solid insulation switch integrating chopper and disconnecting switch |
CN206516972U (en) * | 2016-12-31 | 2017-09-22 | 扬州北辰电气设备有限公司 | A kind of intelligent environmentally friendly gas ring main unit of magneto |
-
2016
- 2016-12-31 CN CN201611269269.5A patent/CN106786114B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102097225A (en) * | 2009-12-10 | 2011-06-15 | 浙宝电气(杭州)集团有限公司 | Breaker with permanent magnet mechanism |
CN103151723A (en) * | 2013-04-07 | 2013-06-12 | 深圳市金博联电力技术有限公司 | Completely-sealed and complete-solid insulation ring main unit |
CN203300541U (en) * | 2013-06-08 | 2013-11-20 | 西安交大思源智能电器有限公司 | Monostablity side-mounted permanent-magnet vacuum circuit breaker |
CN204303587U (en) * | 2014-12-07 | 2015-04-29 | 扬州北辰电气设备有限公司 | A kind of modularization permanent-magnetism mechanism manual brake separating mechanism |
CN205335738U (en) * | 2015-12-24 | 2016-06-22 | 沈阳昊诚电气有限公司 | Totally enclosed miniaturized cubical switchboard of gaseous all insulation of environmental protection |
CN106253120A (en) * | 2016-07-27 | 2016-12-21 | 张力 | A kind of solid insulation switch integrating chopper and disconnecting switch |
CN206516972U (en) * | 2016-12-31 | 2017-09-22 | 扬州北辰电气设备有限公司 | A kind of intelligent environmentally friendly gas ring main unit of magneto |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108695759A (en) * | 2018-08-08 | 2018-10-23 | 北京科锐配电自动化股份有限公司 | A kind of gas-insulated ring network cabinet with quick acting switching-off function |
Also Published As
Publication number | Publication date |
---|---|
CN106786114B (en) | 2019-02-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101847838B (en) | 24kV solid insulated fully-closed switch combined electrical appliance | |
CN207251064U (en) | The miniaturization ring main unit of tri-station isolating switch under a kind of adapted | |
CN206516972U (en) | A kind of intelligent environmentally friendly gas ring main unit of magneto | |
CN106786114A (en) | A kind of intelligent environmentally friendly gas ring main unit of magneto | |
CN103489696A (en) | 10kV box type double-break vacuum circuit beaker of built-in disconnector structure | |
CN209515530U (en) | A kind of gas-insulated high-voltage switch cabinet high speed grounding switch | |
CN206259640U (en) | Vertical rotation isolated vacuum breaker | |
CN206685298U (en) | A kind of earthing for having making capability | |
CN209217565U (en) | A kind of insulated switching installation | |
CN106711830A (en) | Longitudinal rotary isolated vacuum circuit breaker | |
CN203932794U (en) | Electric power system gas insulated combined electric appliance equipment divide-shut brake stroke monitoring system | |
CN207625120U (en) | A kind of modularization environmental protection gas-insulated ring network cabinet | |
CN208781770U (en) | A kind of operating mechanism device of solid-state insulated switchgear | |
CN203521293U (en) | Automatic-switching central-positioned withdrawable-type vacuum circuit breaker | |
CN203180421U (en) | Single-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
CN203895345U (en) | Solid-insulated ring main unit grounding switch locking device | |
CN202678722U (en) | Middling-pressure dual-supply combined electric appliance | |
CN206259644U (en) | The vertical rotation indoor ac metal closing switch gear of withdraw-type | |
CN219371857U (en) | Environment-friendly gas-insulated ring main unit | |
CN201639186U (en) | Novel gas insulation metal closed isolating switch | |
CN205811402U (en) | A kind of solid insulated fully-closed killer switch equipment | |
CN117995573B (en) | Tank-type environment-friendly gas-insulated switchgear | |
CN203180420U (en) | Environment-friendly gas-insulated metal-enclosed switchgear | |
CN208045389U (en) | A kind of isolation earthing switch mechanism division spring energy storage device | |
CN105448579B (en) | The operating mechanism direct connection structure of switchgear |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: No. 58, Hongda Road, Yangzhou, Jiangsu Province Applicant after: Beichen Yangzhou Electric Group Co., Ltd. Address before: No. 58, Hongda Road, Yangzhou, Jiangsu Province Applicant before: Yangzhou Beichen Electric Equipment Co., Ltd. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |