CN204242927U - A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker - Google Patents
A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker Download PDFInfo
- Publication number
- CN204242927U CN204242927U CN201420612248.9U CN201420612248U CN204242927U CN 204242927 U CN204242927 U CN 204242927U CN 201420612248 U CN201420612248 U CN 201420612248U CN 204242927 U CN204242927 U CN 204242927U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- casing
- vacuum
- magnet type
- current transformer
- 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.)
- Active
Links
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker, it comprises casing, suspension ring are had on the upside of casing, pole is had above casing, conductive mechanism is had in pole, upper connector wherein, upper connector is connected with vacuum interrupter, lower connector is connected with under vacuum interrupter, lower connector is connected with current transformer, lower outlet is had after current transformer, lower outlet is connected with isolation blade, another is connected with lower wire outlet seat to isolate blade, insulating cylinder is connected with under lower wire outlet seat, insulating cylinder another be connected with disconnecting link main shaft, on the housing of disconnecting link main shaft after casing, permanent magnet mechanism is had in casing, wherein descend the insulated tension pole with Compress Spring under connector, insulated tension pole underdrive arm is connected with permanent magnetic controller by driving connecting lever, permanent magnetic controller is connected with manual brake separating mechanism, driving band steel by being hinged with tripping spring between transmission arm connects, drive on band steel and be connected with auxiliary switch, it is simple that total the utility model has structure, arc extinguishing ability is strong, safe and reliable advantage.
Description
Technical field
The utility model belongs to breaker technical field, is specifically related to a kind of vacuum circuit-breaker, particularly a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker.
Background technology
The transformation of current line distribution, generally there is the vacuum circuit-breaker of column support type and common box type two kinds of structures, column support type due to open pipes structures simple, electrical insulation properties is excellent, the mechanism of internal enclosed and receiving applies widely, when electric power system normally works, circuit breaker is closed by operating mechanism, what at this moment flow through is that operating current is less very easy, once circuit breaks down, operating mechanism must overcome huge some power just can close circuit breaker, it is accurate that the operation of such circuit-breaker switching on-off just needs very, therefore a kind of vacuum circuit-breaker precisely carrying out breaking-closing operating just has Practical significance very much.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker of accurate operating breaker divide-shut brake.
The purpose of this utility model is achieved in that a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker, it comprises casing, described casing front end face is disposed with breaking-closing operating axle from left to right, energy storage Sign Board, stored energy operation handle, deciliter Sign Board and chromium board, described casing left and right both ends of the surface are provided with chain axle, described casing upper side is provided with two suspension ring by rear and front end with horizontal form, three horizontal poles are provided with above described casing, conductive mechanism is provided with in described pole, permanent magnet mechanism is provided with in described casing,
Described conductive mechanism, it comprises upper connecting terminal, described upper connecting terminal is connected with vacuum interrupter, described vacuum interrupter comprises moving conductive rod, described moved end, moving conductive rod lower end cover plate, described cover plate lower end, moved end is provided with insulation crust, the bellows be connected with moved end cover plate is provided with in described insulation crust, described bellows is connected with contact, described contact connects static conductive rod, described static conductive rod is connected with quiet end casing, described quiet end casing lower end is provided with conductive attachment, described conductive attachment lower end is connected with lower connecting terminal, described lower connecting terminal is connected with current transformer, described current transformer rear end is provided with lower wire end, described lower wire end sub-connection has isolation blade, the described isolation blade other end is connected with lower wire outlet seat, described lower wire outlet seat lower end is connected with insulating cylinder, the described insulating cylinder other end is connected with disconnecting link main shaft, described disconnecting link main shaft is arranged on three horizontal housings of box back face,
Described permanent magnet mechanism, it comprises and is arranged on the insulated tension pole of lower connecting terminal lower end with Compress Spring, described insulated tension pole lower end is provided with transmission arm, described transmission arm is connected with permanent magnetic controller by driving connecting lever, described permanent magnetic controller right-hand member is connected with manual brake separating mechanism, by driving band steel to connect between described transmission arm, described driving band steel being hinged with tripping spring, described driving band steel is connected with auxiliary switch.
Described casing adopts high-quality corrosion resistant plate to make, and adopts Seal Design simultaneously.
Described pole adopts epoxy resin solids insulation.
Main shield cover is provided with in insulation crust outside described contact.
Described vacuum interrupter is ceramic vacuum arc control device.
Described insulating cylinder adopts indoor epoxy resin outsourcing organic silicon rubber.
Described permanent magnet mechanism is Monostable permanent magnetic mechanism, and described permanent magnetic controller adopts single coil structure.
Described current transformer is three-phase integrated punching instrument transformer, and described current transformer adopts dry type epoxy resin casting, and described current transformer and insulating cylinder are integrated.
The beneficial effects of the utility model: the utility model adopts three-phase integrated column support type structure, there is break performance reliable, without burning and explosion hazard, freedom from repairs, volume is little, the advantage of lightweight and long service life, three-phase pillar and current transformer adopt epoxy resin solids insulation to have high temperature resistant, UV resistant and ageing-resistant advantage, ceramic vacuum arc control device arc extinguishing ability is strong, security reliability is high, and vacuum interrupter is placed in the pole of epoxy resin solids insulation, the arc reduction produced when cut-offfing to switch internal cause stained, permanent magnet mechanism adopts Monostable permanent magnetic mechanism, adopt single coil structure, participate in moving component and only have one, at utmost simplify the operation mechanism, ensure that reliable and stable under frequent operation condition of operating mechanism, simultaneously more accurate, be equipped with multiple input/output port, punching instrument transformer is adopted to decrease weight, increase support strength, install current transformer for metering additional as requested simultaneously, circuit breaker adopts full-closed structure, good airproof performance, it is simple that total the utility model has structure, good airproof performance, moistureproof anti-condensation, arc extinguishing ability is strong, the advantage that security reliability is high.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is right view of the present utility model.
Fig. 3 is A-A cutaway view of the present utility model.
Fig. 4 is the structural scheme of mechanism of permanent magnet mechanism in the utility model.
Fig. 5 is the structural scheme of mechanism of vacuum interrupter in the utility model.
In figure: 1, casing 2, breaking-closing operating axle 3, energy storage Sign Board 4, stored energy operation handle 5, deciliter Sign Board 6, chromium board 7, chain axle 8, suspension ring 9, pole 10, upper connecting terminal 11, vacuum interrupter 12, moving conductive rod 13, moved end cover plate 14, insulation crust 15, bellows 16, contact 17, static conductive rod 18, quiet end casing 19, conductive attachment 20, lower connecting terminal 21, current transformer 22, lower wire end 23, isolation blade 24, lower wire outlet seat 25, insulating cylinder 26, disconnecting link main shaft 27, housing 28, Compress Spring 29, insulated tension pole 30, transmission arm 31, drive connecting lever 32, permanent magnetic controller 33, manual brake separating mechanism 34, drive band steel 35, tripping spring 36, auxiliary switch 37, main shield cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As Figure 1-5, a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker, it comprises casing 1, described casing 1 front end face is disposed with breaking-closing operating axle 2 from left to right, energy storage Sign Board 3, stored energy operation handle 4, deciliter Sign Board 5 and chromium board 6, described casing about 1 both ends of the surface are provided with chain axle 7, described casing 1 upper side is provided with two suspension ring 8 by rear and front end with horizontal form, three horizontal poles 9 are provided with above described casing 1, conductive mechanism is provided with in described pole 9, permanent magnet mechanism is provided with in described casing 1,
Described conductive mechanism, it comprises upper connecting terminal 10, described upper connecting terminal 10 is connected with vacuum interrupter 11, described vacuum interrupter 11 comprises moving conductive rod 12, described moved end, moving conductive rod 12 lower end cover plate 13, described moved end cover plate 13 lower end is provided with insulation crust 14, the bellows 15 be connected with moved end cover plate 13 is provided with in described insulation crust 14, described bellows 15 is connected with contact 16, described contact 16 connects static conductive rod 17, described static conductive rod 17 is connected with quiet end casing 18, described quiet end casing 18 lower end is provided with conductive attachment 19, described conductive attachment 19 lower end is connected with lower connecting terminal 20, described lower connecting terminal 20 is connected with current transformer 21, described current transformer 21 rear end is provided with lower wire end 22, described lower wire end 22 is connected with isolation blade 23, described isolation blade 23 other end is connected with lower wire outlet seat 24, described lower wire outlet seat 24 lower end is connected with insulating cylinder 25, described insulating cylinder 25 other end is connected with disconnecting link main shaft 26, described disconnecting link main shaft 26 is arranged on three horizontal housings 27 of casing 1 rear end face,
Described permanent magnet mechanism, it comprises and is arranged on the insulated tension pole 29 of lower connecting terminal 20 lower end with Compress Spring 28, described insulated tension pole 29 lower end is provided with transmission arm 30, described transmission arm 30 is connected with permanent magnetic controller 32 by driving connecting lever 31, described permanent magnetic controller 32 right-hand member is connected with manual brake separating mechanism 33, by driving band steel 34 to connect between described transmission arm 30, described driving band steel 34 is hinged with tripping spring 35, described driving band steel 35 is connected with auxiliary switch 36.
The utility model is in use: be placed on by permanent magnetic vacuum breaker on the mounting platform of electric pole, adopt three-phase integrated column support type structure, there is break performance reliable, without burning and explosion hazard, freedom from repairs, volume is little, the advantage of lightweight and long service life, after high-voltage line installation, switch on power, after stored energy mechanism stores full electric energy, rotate breaking-closing operating to be coupling logical closing coil, permanent magnet mechanism is by moving iron core by transmission crank arm by switching tube contact closure, make insulated tension pole connect switching winding by auxiliary switch simultaneously, disconnect under-voltage power supply simultaneously, a closing operation is completed under the acting in conjunction of separating brake magnetic field and Compress Spring, such structure very simple, can ensure can be reliable and secure under frequent operation simultaneously, vacuum interrupter in pole is long for mechanical endurance, maximum reaches 20,000 times, small in volume simultaneously, arc extinguishing ability is strong, current transformer can convert high voltage to low-voltage, it is simple that total the utility model has structure, arc extinguishing ability is strong, the advantage that security reliability is high.
Embodiment 2
As Figure 1-5, a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker, it comprises casing 1, described casing 1 front end face is disposed with breaking-closing operating axle 2 from left to right, energy storage Sign Board 3, stored energy operation handle 4, deciliter Sign Board 5 and chromium board 6, described casing about 1 both ends of the surface are provided with chain axle 7, described casing 1 upper side is provided with two suspension ring 8 by rear and front end with horizontal form, three horizontal poles 9 are provided with above described casing 1, conductive mechanism is provided with in described pole 9, permanent magnet mechanism is provided with in described casing 1,
Described conductive mechanism, it comprises upper connecting terminal 10, described upper connecting terminal 10 is connected with vacuum interrupter 11, described vacuum interrupter 11 comprises moving conductive rod 12, described moved end, moving conductive rod 12 lower end cover plate 13, described moved end cover plate 13 lower end is provided with insulation crust 14, the bellows 15 be connected with moved end cover plate 13 is provided with in described insulation crust 14, described bellows 15 is connected with contact 16, described contact 16 connects static conductive rod 17, described static conductive rod 17 is connected with quiet end casing 18, described quiet end casing 18 lower end is provided with conductive attachment 19, described conductive attachment 19 lower end is connected with lower connecting terminal 20, described lower connecting terminal 20 is connected with current transformer 21, described current transformer 21 rear end is provided with lower wire end 22, described lower wire end 22 is connected with isolation blade 23, described isolation blade 23 other end is connected with lower wire outlet seat 24, described lower wire outlet seat 24 lower end is connected with insulating cylinder 25, described insulating cylinder 25 other end is connected with disconnecting link main shaft 26, described disconnecting link main shaft 26 is arranged on three horizontal housings 27 of casing 1 rear end face,
Described permanent magnet mechanism, it comprises and is arranged on the insulated tension pole 29 of lower connecting terminal 20 lower end with Compress Spring 28, described insulated tension pole 29 lower end is provided with transmission arm 30, described transmission arm 30 is connected with permanent magnetic controller 32 by driving connecting lever 31, described permanent magnetic controller 32 right-hand member is connected with manual brake separating mechanism 33, by driving band steel 34 to connect between described transmission arm 30, described driving band steel 34 is hinged with tripping spring 35, described driving band steel 35 is connected with auxiliary switch 36.
Described casing 1 adopts high-quality corrosion resistant plate to make, and adopts Seal Design simultaneously.
Described pole 9 adopts epoxy resin solids to insulate.
Main shield cover 37 is provided with in insulation crust outside described contact 16.
Described vacuum interrupter 11 is ceramic vacuum arc control device.
Described insulating cylinder 25 adopts indoor epoxy resin outsourcing organic silicon rubber.
Described permanent magnet mechanism is Monostable permanent magnetic mechanism, and described permanent magnetic controller 32 adopts single coil structure.
Described current transformer 21 is three-phase integrated punching instrument transformer, and described current transformer 21 adopts dry type epoxy resin to cast, and described current transformer 21 and insulating cylinder 25 are integrated.
The utility model is in use: be placed on by permanent magnetic vacuum breaker on the mounting platform of electric pole, adopt three-phase integrated column support type structure, three-phase pillar and current transformer adopt epoxy resin solids insulation to have high temperature resistant, UV resistant and ageing-resistant advantage, ceramic vacuum arc control device arc extinguishing ability is strong, security reliability is high, and vacuum interrupter is placed in the pole of epoxy resin solids insulation, the arc reduction produced when cut-offfing to switch internal cause stained, after high-voltage line installation, switch on power, after stored energy mechanism stores full electric energy, rotate breaking-closing operating to be coupling logical closing coil, permanent magnet mechanism is by moving iron core by transmission crank arm by switching tube contact closure, make insulated tension pole connect switching winding by auxiliary switch simultaneously, disconnect under-voltage power supply simultaneously, a closing operation is completed under the acting in conjunction of separating brake magnetic field and Compress Spring, permanent magnet mechanism adopts Monostable permanent magnetic mechanism, adopt single coil structure, participate in moving component and only have one, at utmost simplify the operation mechanism, ensure that reliable and stable under frequent operation condition of operating mechanism, simultaneously more accurate, vacuum interrupter in pole is long for mechanical endurance, maximum reaches 20,000 times, small in volume simultaneously, arc extinguishing ability is strong, current transformer can convert high voltage to low-voltage, punching instrument transformer is adopted to decrease weight, increase support strength, install current transformer for metering additional as requested simultaneously, circuit breaker adopts full-closed structure, good airproof performance, it is simple that total the utility model has structure, good airproof performance, moistureproof anti-condensation, arc extinguishing ability is strong, the advantage that security reliability is high.
Claims (8)
1. an outdoor vacuum permanent magnet type vacuum circuit-breaker, it comprises casing, it is characterized in that: described casing front end face is disposed with breaking-closing operating axle, energy storage Sign Board, stored energy operation handle, deciliter Sign Board and chromium board from left to right, described casing left and right both ends of the surface are provided with chain axle, described casing upper side is provided with two suspension ring by rear and front end with horizontal form, three horizontal poles are provided with above described casing, be provided with conductive mechanism in described pole, in described casing, be provided with permanent magnet mechanism;
Described conductive mechanism, it comprises upper connecting terminal, described upper connecting terminal is connected with vacuum interrupter, described vacuum interrupter comprises moving conductive rod, described moved end, moving conductive rod lower end cover plate, described cover plate lower end, moved end is provided with insulation crust, the bellows be connected with moved end cover plate is provided with in described insulation crust, described bellows is connected with contact, described contact connects static conductive rod, described static conductive rod is connected with quiet end casing, described quiet end casing lower end is provided with conductive attachment, described conductive attachment lower end is connected with lower connecting terminal, described lower connecting terminal is connected with current transformer, described current transformer rear end is provided with lower wire end, described lower wire end sub-connection has isolation blade, the described isolation blade other end is connected with lower wire outlet seat, described lower wire outlet seat lower end is connected with insulating cylinder, the described insulating cylinder other end is connected with disconnecting link main shaft, described disconnecting link main shaft is arranged on three horizontal housings of box back face,
Described permanent magnet mechanism, it comprises and is arranged on the insulated tension pole of lower connecting terminal lower end with Compress Spring, described insulated tension pole lower end is provided with transmission arm, described transmission arm is connected with permanent magnetic controller by driving connecting lever, described permanent magnetic controller right-hand member is connected with manual brake separating mechanism, by driving band steel to connect between described transmission arm, described driving band steel being hinged with tripping spring, described driving band steel is connected with auxiliary switch.
2. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: described casing adopts high-quality corrosion resistant plate to make, and adopts Seal Design simultaneously.
3. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: described pole adopts epoxy resin solids insulation.
4. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: be provided with main shield cover in the insulation crust outside described contact.
5. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: described vacuum interrupter is ceramic vacuum arc control device.
6. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: described insulating cylinder adopts indoor epoxy resin outsourcing organic silicon rubber.
7. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, is characterized in that: described permanent magnet mechanism is Monostable permanent magnetic mechanism, and described permanent magnetic controller adopts single coil structure.
8. a kind of outdoor vacuum permanent magnet type vacuum circuit-breaker according to claim 1, it is characterized in that: described current transformer is three-phase integrated punching instrument transformer, described current transformer adopts dry type epoxy resin casting, and described current transformer and insulating cylinder are integrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420612248.9U CN204242927U (en) | 2014-10-22 | 2014-10-22 | A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420612248.9U CN204242927U (en) | 2014-10-22 | 2014-10-22 | A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204242927U true CN204242927U (en) | 2015-04-01 |
Family
ID=52772387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420612248.9U Active CN204242927U (en) | 2014-10-22 | 2014-10-22 | A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204242927U (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106710956A (en) * | 2015-11-13 | 2017-05-24 | 中豪(天津)电力设备制造有限公司 | Outdoor vacuum circuit breaker |
CN107665782A (en) * | 2016-07-30 | 2018-02-06 | 河南华盛隆源电气有限公司 | A kind of double spacer leg formula breakers for single circuit power supply |
CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
CN108597950A (en) * | 2018-06-13 | 2018-09-28 | 卓维电力科技有限公司 | A kind of separating brake protective device of outdoor vacuum circuit breaker |
CN108711770A (en) * | 2018-06-15 | 2018-10-26 | 正泰电气股份有限公司 | 220kV Cubicle Gas-Insulated Switchgears breaker and application |
CN109586266A (en) * | 2018-12-20 | 2019-04-05 | 国网新疆电力有限公司经济技术研究院 | A kind of safe and efficient electrical equipment high-voltage and current-limitation device |
CN109698092A (en) * | 2019-02-20 | 2019-04-30 | 浙江法拉迪电力科技有限公司 | One kind is single-phase to cut capacitance switch |
CN109817490A (en) * | 2017-11-19 | 2019-05-28 | 国网浙江省电力公司舟山供电公司 | A kind of open air modular breaker |
CN111292996A (en) * | 2020-03-10 | 2020-06-16 | 江苏江阴华明电气设备有限公司 | High-reliability high-breaking-capacity intelligent outdoor high-voltage vacuum circuit breaker |
CN111430176A (en) * | 2020-03-19 | 2020-07-17 | 希格玛电气(珠海)有限公司 | Pole-mounted permanent magnet circuit breaker |
CN112837978A (en) * | 2021-01-21 | 2021-05-25 | 潘建星 | High-voltage circuit breaker switch with overload power-off alarm function |
CN115841929A (en) * | 2023-02-16 | 2023-03-24 | 江苏丹通电气有限公司 | Vacuum circuit breaker on post |
CN116705560A (en) * | 2023-06-27 | 2023-09-05 | 电光防爆科技股份有限公司 | Breaker for mining explosion-proof equipment |
-
2014
- 2014-10-22 CN CN201420612248.9U patent/CN204242927U/en active Active
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106710956A (en) * | 2015-11-13 | 2017-05-24 | 中豪(天津)电力设备制造有限公司 | Outdoor vacuum circuit breaker |
CN107665782A (en) * | 2016-07-30 | 2018-02-06 | 河南华盛隆源电气有限公司 | A kind of double spacer leg formula breakers for single circuit power supply |
CN109817490A (en) * | 2017-11-19 | 2019-05-28 | 国网浙江省电力公司舟山供电公司 | A kind of open air modular breaker |
CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
CN108597950A (en) * | 2018-06-13 | 2018-09-28 | 卓维电力科技有限公司 | A kind of separating brake protective device of outdoor vacuum circuit breaker |
CN108711770A (en) * | 2018-06-15 | 2018-10-26 | 正泰电气股份有限公司 | 220kV Cubicle Gas-Insulated Switchgears breaker and application |
CN109586266A (en) * | 2018-12-20 | 2019-04-05 | 国网新疆电力有限公司经济技术研究院 | A kind of safe and efficient electrical equipment high-voltage and current-limitation device |
CN109698092A (en) * | 2019-02-20 | 2019-04-30 | 浙江法拉迪电力科技有限公司 | One kind is single-phase to cut capacitance switch |
CN111292996A (en) * | 2020-03-10 | 2020-06-16 | 江苏江阴华明电气设备有限公司 | High-reliability high-breaking-capacity intelligent outdoor high-voltage vacuum circuit breaker |
CN111430176A (en) * | 2020-03-19 | 2020-07-17 | 希格玛电气(珠海)有限公司 | Pole-mounted permanent magnet circuit breaker |
CN112837978A (en) * | 2021-01-21 | 2021-05-25 | 潘建星 | High-voltage circuit breaker switch with overload power-off alarm function |
CN112837978B (en) * | 2021-01-21 | 2023-05-09 | 浙江赫斯电气有限公司 | High-voltage circuit breaker switch with overload outage alarming function |
CN115841929A (en) * | 2023-02-16 | 2023-03-24 | 江苏丹通电气有限公司 | Vacuum circuit breaker on post |
CN116705560A (en) * | 2023-06-27 | 2023-09-05 | 电光防爆科技股份有限公司 | Breaker for mining explosion-proof equipment |
CN116705560B (en) * | 2023-06-27 | 2024-03-22 | 电光防爆科技股份有限公司 | Breaker for mining explosion-proof equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204242927U (en) | A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker | |
CN202034297U (en) | Outdoor high-pressure permanent-magnet vacuum circuit breaker | |
CN2929944Y (en) | Sealed outdoor high voltage permanent mechanism vacuum breaker | |
CN201060794Y (en) | Vacuum breaker | |
CN201142295Y (en) | Miniature rotary isolation switch | |
CN201732722U (en) | Indoor permanent magnetic seal high-voltage vacuum breaker | |
CN203588916U (en) | Outdoor high-voltage intelligent vacuum circuit breaker | |
CN112017905A (en) | Quick-acting magnetic control vacuum circuit breaker | |
CN205303310U (en) | Outdoor column vacuum breaker | |
CN201112263Y (en) | High voltage vacuum breaker | |
CN204577316U (en) | A kind of outdoor intelligent vacuum circuit breaker of measurement and relay protection one | |
CN209804536U (en) | Miniaturized vacuum type gas insulated metal enclosed switchgear | |
CN201698956U (en) | High voltage vacuum circuit breaker employing permanent magnet operating mechanism | |
CN204289234U (en) | Epoxy resin sealing vacuum switch | |
CN2929945Y (en) | Sealed high voltage permanent mechanism vacuum breaker for station | |
CN110718411B (en) | Can save space's box-type circuit breaker altogether | |
CN203966945U (en) | Rated current 5000A ultrahigh-voltage alternating-current circuit breaker | |
CN203398615U (en) | Gas insulated switchgear | |
CN206116278U (en) | Intelligent vacuum circuit breaker of outdoor 12KV high pressure | |
CN205487932U (en) | Outdoor interchange high pressure permanent magnetism vacuum circuit breaker | |
CN202167786U (en) | Novel 10kV high voltage switch cabinet | |
CN203218168U (en) | Environment-friendly intelligent outdoor vacuum circuit breaker on post | |
CN209298002U (en) | A kind of vacuum circuit breaker | |
CN205487907U (en) | Outdoor intelligent vacuum circuit breaker | |
CN201435342Y (en) | 2*55 kV solid-sealed type vacuum circuit breaker of electrified railway |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 450000 building 39, international enterprise port, 25th Street, hanghai East Road, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee after: Henan Sanhe Electric Group Co.,Ltd. Address before: 450000 no.749, 7th floor, unit 2, building 60, No.2, hanghai East Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: HENAN SANHE ELECTRICAL Co.,Ltd. |