CN205303292U - High voltage load switch - fuse combination switch - Google Patents
High voltage load switch - fuse combination switch Download PDFInfo
- Publication number
- CN205303292U CN205303292U CN201521106893.4U CN201521106893U CN205303292U CN 205303292 U CN205303292 U CN 205303292U CN 201521106893 U CN201521106893 U CN 201521106893U CN 205303292 U CN205303292 U CN 205303292U
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- switch
- load switch
- tension fuse
- earthed
- vacuum load
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000009826 distribution Methods 0.000 claims abstract description 30
- 239000003822 epoxy resin Substances 0.000 claims description 21
- 229920000647 polyepoxide Polymers 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a high voltage load switch - fuse combination switch, this combination switch contains: load switch mechanism, earthing switch mechanism, earthing switch, a plurality of vacuum load switch and a plurality of high -tension fuse, load switch mechanism links to each other with vacuum load switch and earthing switch mechanism respectively for cut -off or close through vacuum load switch control scheme and close, earthing switch mechanism links to each other with earthing switch for control earthing switch cut -offs or closes and closes, vacuum load switch links to each other with distribution lines and high -tension fuse respectively for the control scheme electric energy switches on or ends, the high -tension fuse links to each other with outside power consumption circuit for when input of line disconnection electric energy or line disconnection electric energy are inputed when the circuit reaches predetermined threshold values, trigger other high -tension fuse line disconnection electric energy inputs, earthing switch links to each other with vacuum load switch and high -tension fuse respectively for close earthing switch control vacuum load switch and high -tension fuse ground connection through the pass.
Description
Technical field
This utility model relates to the controller switching equipment in field of power distribution, particularly to the high voltage load switch-Combined switch of circuit breaker of a kind of integration dispensing formula all insulation power distribution station.
Background technology
In the distribution network transform process of town and country, Large scale construction and transformation power distribution station so that power distribution station power supply capacity and power supply quality are significantly improved; Along with the construction energetically in intelligent power distribution station district, the intelligent level of power distribution station is promoted further, meets client's new demand to power supply capacity, power supply quality and electric service; Along with carrying out of power distribution network Standardization Construction work, for being effectively improved interchangeability and the versatility of power distribution station equipment, the construction of power distribution network and power distribution station is proposed the new development that the application of new requirement, new technique and new technology will effectively promote power distribution station.
Power distribution station construction is a comprehensive complex engineering, and present situation is built and run in current power distribution station, and there are the following problems: on-site construction processes is many, and the construction period is long; In-site installation equipment is many, equipment association is more causes that work on the spot amount is big; Construction link easily causes waste of material phenomenon; Various places mounting technique specification difference causes platform district to build and functional configuration difference, and old district's equipment installation is unordered, wiring is mixed and disorderly, visual impression is poor; Power supply reliability is low, the outdoor rear corrosion of equipment, aging and be subject to the problems such as external force destruction and be difficult to solve, and the exposed charged position of high-low pressure is many, and fuse switch and fault isolating switch rate are higher, and power distribution station lacks monitoring even without monitoring; Operation maintenance is uneconomical, and operation maintenance time length, difficulty are big, and equipment replacement is inconvenient; Floor space is big, and construction cost is high. The high-voltage switch gear that particularly power distribution station is used, is generally adopted separate type, and volume is big, and floor space is big, and electrical insulation properties is very unreliable, makes the raising of power supply reliability of having pulled.
The circuit of conventional only fuse protection; what often take is the protection topology layout of independent single-phase fuse; on-load switch that circuit carries or chopper, it does not have with the linkage protection of homophase fuse, when circuit outlet current anomaly fault; fault phase circuit cuts off; fault-free phase line appoints right operation, causes distribution line phase-deficient operation, the circuit that fault-free is cut off; long-time phase shortage causes overlond running, often causes with the hot scaling loss of electric loading, thermal failure etc.
Utility model content
This utility model purpose is in that to provide a kind of high voltage load switch-Combined switch of circuit breaker; by adopting the New Technologies such as reliability demonstration, standardized designs, batch production processing, assembled construction, effectively promoting construction efficiency and the construction specification of power distribution station, effectively promoting power distribution network open-phase protection reliability thus ensureing distribution network reliability and rate of qualified voltage.
For reaching above-mentioned purpose, high voltage load switch-Combined switch of circuit breaker provided by the utility model specifically comprises: on-load switch mechanism, earthed switch mechanism, earthed switch, a plurality of vacuum load switch and plurality of high voltage fuse; Described on-load switch mechanism is connected with described vacuum load switch and described earthed switch mechanism respectively, for controlling line disconnection by described vacuum load switch or closing; Described earthed switch mechanism is connected with described earthed switch, is used for controlling described earthed switch and cut-offs or close; Described vacuum load switch is connected with distribution line and described high-tension fuse respectively, is used for controlling circuit electric energy on or off; Described high-tension fuse is connected with outside electric line, during for the input of the line disconnection electric energy when circuit reaches reservation threshold or the input of line disconnection electric energy, triggers the input of other high-tension fuse line disconnection electric energy; Described earthed switch is connected with described vacuum load switch and described high-tension fuse respectively, for by closing the described earthed switch described vacuum load switch of control and described high-tension fuse ground connection.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described cubicle switch also comprises epoxy resin seal pole, described epoxy resin seal pole is used for sealing described earthed switch, described vacuum load switch and described high-tension fuse; Described earthed switch is connected with described high-tension fuse input and outfan respectively by static contact of grounding switch, described high-tension fuse input is connected with described vacuum load switch outfan, and described high-tension fuse outfan is connected with outside line electrical energy inputs.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described epoxy resin seal pole outer surface cladding is provided with the tangible layer of electrostatic screen.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described high-tension fuse outfan is connected by hollow type isolated bus with outside line electrical energy inputs.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described high-tension fuse input is connected by conductive copper conductor with described vacuum load switch outfan.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that be provided with cushion between described static contact of grounding switch, described high-tension fuse, described vacuum load switch, described conductive copper conductor and described epoxy resin seal pole.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, preferably, described high-tension fuse also comprises electrical apparatus release, when line fault and arbitrary described High-voltage Fuse Blow, the electrical apparatus release of a plurality of described High-voltage Fuse Blows is threaded off, and described electrical apparatus release is cut-off by a plurality of described vacuum load switch of described on-load switch mechanism controls.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that when earthed switch described in described earthed switch mechanism controls closes, described earthed switch is by on-load switch mechanism described in connecting rod locking;When earthed switch described in described earthed switch mechanism controls cut-offs and vacuum load switch described in described on-load switch mechanism controls closes, described on-load switch is by earthed switch mechanism described in connecting rod locking.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described on-load switch mechanism drives a plurality of described vacuum load switch close or cut-off by combined floodgate spring and sluice separating spring.
In above-mentioned high voltage load switch-Combined switch of circuit breaker, it is preferred that described earthed switch mechanism controls described earthed switch by connecting rod and closes or cut-off.
Advantageous Effects of the present utility model is in that: can realize the fault linkage protection between homophase fuse and homophase on-load switch, out-phase on-load switch; when there being a phase outlet fault separating brake; all the other action separating brakes simultaneously of meeting; effectively prevent distribution line phase-deficient operation, fundamentally solve the phase-deficient operation harm that single fuse protection circuit exists. Simultaneously, vacuum load switch provided by the utility model not only possesses the ability cut-offfing circuit rated current and overburden portion electric current, volume compact, dependable performance, reasonable price, and the high-tension fuse related to this utility model achieves linkage from structure and operating principle.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, is not intended that restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the principle schematic of high voltage load switch-Combined switch of circuit breaker provided by the utility model;
Fig. 2 is the structural representation of the epoxy resin seal pole of high voltage load switch-Combined switch of circuit breaker provided by the utility model.
Drawing reference numeral
1-earthed switch drive rod, 2-moving contact of grounding switch, 3-static contact of grounding switch, 4-high-tension fuse end of incoming cables, 5-load-fuse connect copper bar, 6-on-load switch moving contact, 7 on-load switch static contacts, 8-conductive copper conductor, 9-fusible core of fuse, 10-fuse leading-out terminal, 11-conductive copper conductor, 12-switch outlet sealing shroud, the tangible layer of 13-electrostatic screen, 14-switch outlet connection screw rod.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, this utility model is described in further details. At this, schematic description and description of the present utility model is used for explaining this utility model, but is not intended as restriction of the present utility model.
Refer to shown in Fig. 1, high voltage load switch-Combined switch of circuit breaker provided by the utility model specifically comprises: on-load switch mechanism, earthed switch mechanism, earthed switch, a plurality of vacuum load switch and plurality of high voltage fuse; Described on-load switch mechanism is connected with described vacuum load switch and described earthed switch mechanism respectively, for controlling line disconnection by described vacuum load switch or closing; Described earthed switch mechanism is connected with described earthed switch, is used for controlling described earthed switch and cut-offs or close; Described vacuum load switch is connected with distribution line and described high-tension fuse respectively, is used for controlling circuit electric energy on or off; Described high-tension fuse is connected with outside electric line, during for the input of the line disconnection electric energy when circuit reaches reservation threshold or the input of line disconnection electric energy, triggers the input of other high-tension fuse line disconnection electric energy; Described earthed switch is connected with described vacuum load switch and described high-tension fuse respectively, for by closing the described earthed switch described vacuum load switch of control and described high-tension fuse ground connection.
Refer to shown in Fig. 2, in this utility model one preferred embodiment, described cubicle switch also comprises epoxy resin seal pole, and described epoxy resin seal pole is used for sealing described earthed switch, described vacuum load switch and described high-tension fuse;Described earthed switch is connected with described high-tension fuse input and outfan respectively by static contact of grounding switch 3, described high-tension fuse input is connected with described vacuum load switch outfan, and described high-tension fuse outfan is connected with outside line electrical energy inputs; Described vacuum load switch is connected copper bar 5 with described high-tension fuse by load-fuse and is connected.
In the above-described embodiments, described epoxy resin seal pole outer surface cladding is provided with the tangible layer 13 of electrostatic screen; Described high-tension fuse outfan is connected by hollow type isolated bus with outside line electrical energy inputs; Described high-tension fuse input is connected by conductive copper conductor with described vacuum load switch outfan. It is provided with cushion between described static contact of grounding switch 3, described high-tension fuse, described vacuum load switch, described conductive copper conductor and described epoxy resin seal pole.
In real work, described epoxy resin seal pole is the pole of a kind of brand new, tangible formula, and the main layout of structure is upper, middle and lower formula topology layouts, is followed successively by Direct Action Type earthed switch, high-tension fuse, vacuum load switch, described Direct Action Type earthed switch can pass through being connected into and out of line end of static contact of grounding switch 3 and high-tension fuse, when opening earthed switch, described moving contact of grounding switch 2 connects with described static contact of grounding switch 3, it is achieved reliable ground, described high-tension fuse end of incoming cables 4 is connected with vacuum load switch outgoing line end by conductive copper conductor, described high-tension fuse leading-out terminal 10 is connected with other external conductive part of integrated dispensing formula all insulation power distribution station by hollow type isolated bus, sealed by adnexa between described hollow type isolated bus and epoxy resin seal pole, described epoxy resin seal pole outer surface has the tangible layer of electrostatic screen. this epoxy resin seal pole adopts APG sealing placingJi Shu, by by epoxy resin, firming agent, adjuvant mixes in specific proportions, heated by APG pressure gel machine, pressurization, the mode one-time cast-forming sealed, described static contact of grounding switch 3, described high-tension fuse, described vacuum load switch, described conductive copper conductor is embedded in inside epoxy resin seal pole in casting process, described static contact of grounding switch 3, described high-tension fuse, described vacuum load switch, it is coated with padded coaming between described conductive copper conductor and described epoxy resin seal pole, the stress in casting process can be avoided static contact of grounding switch 3, high-tension fuse, vacuum load switch, conductive copper conductor 8, 11 cause damage, wherein said vacuum load switch realizes cut-offfing or closing by on-load switch moving contact 6 and on-load switch static contact 7, and particular location is as shown in Figure 2.
In this utility model one preferred embodiment; described high-tension fuse also comprises electrical apparatus release; when line fault and arbitrary described High-voltage Fuse Blow; fusible core of fuse 9 disconnects; the electrical apparatus release of a plurality of described High-voltage Fuse Blows is threaded off, and described protection electrical apparatus release is cut-off by a plurality of described vacuum load switch of described on-load switch mechanism controls. Described high-tension fuse is connected with outside electric line by switching outlet connection screw rod 14, is also wrapped on switch outlet sealing shroud 12 in order to provide insulation protection against electric shock to process outside wherein said switch outlet connection screw rod 14.
In the above-described embodiments; described high-tension fuse is with the electrical apparatus release of protection; when the fault current such as overcurrent, short circuit current occurs in supply line; described High-voltage Fuse Blow causes that all of protection electrical apparatus release is threaded off; described electrical apparatus release drives on-load switch mechanism to cut-off described vacuum load switch by overcurrent protection connecting rod; realize the sub-switching operation of vacuum load switch, thus complete paired transmission line is respectively with the protection of electric loading, be prevented effectively from power circuit phase-deficient operation.
In this utility model one preferred embodiment, when earthed switch described in described earthed switch mechanism controls closes, described earthed switch is by on-load switch mechanism described in connecting rod locking; When earthed switch described in described earthed switch mechanism controls cut-offs and vacuum load switch described in described on-load switch mechanism controls closes, described on-load switch is by earthed switch mechanism described in connecting rod locking. Wherein, described earthed switch can be Direct Action Type earthed switch, and now described Direct Action Type earthed switch is when vacuum load switch is in open position, it is possible to carry out the combined floodgate of grounding contact, sub-switching operation by earthed switch mechanism handle hole.
In the above-described embodiments, described on-load switch mechanism drives a plurality of described vacuum load switch close or cut-off by combined floodgate spring and sluice separating spring, and described earthed switch mechanism controls described earthed switch by connecting rod and closes or cut-off. In real work, described on-load switch mechanism is spring-driven mechanism, and this on-load switch mechanism drives vacuum load switch to close a floodgate by combined floodgate spring, drives vacuum load switch separating brake by sluice separating spring; Described earthed switch mechanism, after vacuum load switch separating brake, is driven by connecting rod, makes moving contact of grounding switch 2 to connect with static contact of grounding switch 3 by linearly operating, it is achieved the reliable ground of vacuum load switch and high-tension fuse; The combined floodgate of wherein said vacuum load switch, separating brake are driven by same on-load switch mechanism; The combined floodgate of described Direct Action Type earthed switch, separating brake are driven by same earthed switch mechanism; All high-tension fuses are respectively provided with a protection electrical apparatus release, during each protection electrical apparatus release action, on-load switch mechanism can be driven, by driving on-load switch mechanism to drive all of vacuum load switch separating brake simultaneously.
Advantageous Effects of the present utility model is in that:
1, overload, pyrolytic damage excessively that during power circuit runs, power equipment, load, circuit are caused by open-phase fault are effectively eliminated.
2, reduce integration dispensing formula all insulation power distribution station high-voltage switch gear volume, reduce floor space, reduce user's land used cost.
3, high-voltage switch gear and integration dispensing formula all insulation power distribution station are combined together, standardization and General design, improve switch interchangeability, it is simple to manufacturer's design, produce, transport, after-sales service.
4, the installation of integration, it is simple to user maintenance, maintenance.
5, epoxy resin seal pole is in the utilization of integration dispensing formula all insulation power distribution station, greatly improves power distribution station electrical insulation properties, it is thus possible to greatly improve power supply reliability, for the construction of intelligent power network, it is provided that solid strong foundation stone.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. high voltage load switch-Combined switch of circuit breaker, it is characterised in that described cubicle switch comprises: on-load switch mechanism, earthed switch mechanism, earthed switch, a plurality of vacuum load switch and plurality of high voltage fuse;
Described on-load switch mechanism is connected with described vacuum load switch and described earthed switch mechanism respectively, for controlling line disconnection by described vacuum load switch or closing;
Described earthed switch mechanism is connected with described earthed switch, is used for controlling described earthed switch and cut-offs or close;
Described vacuum load switch is connected with distribution line and described high-tension fuse respectively, is used for controlling circuit electric energy on or off;
Described high-tension fuse is connected with outside electric line, during for the input of the line disconnection electric energy when circuit reaches reservation threshold or the input of line disconnection electric energy, triggers the input of other high-tension fuse line disconnection electric energy;
Described earthed switch is connected with described vacuum load switch and described high-tension fuse respectively, for by closing the described earthed switch described vacuum load switch of control and described high-tension fuse ground connection.
2. high voltage load switch-Combined switch of circuit breaker according to claim 1, it is characterized in that, described cubicle switch also comprises epoxy resin seal pole, and described epoxy resin seal pole is used for sealing described earthed switch, described vacuum load switch and described high-tension fuse; Described earthed switch is connected with described high-tension fuse input and outfan respectively by static contact of grounding switch, described high-tension fuse input is connected with described vacuum load switch outfan, and described high-tension fuse outfan is connected with outside line electrical energy inputs.
3. high voltage load switch-Combined switch of circuit breaker according to claim 2, it is characterised in that described epoxy resin seal pole outer surface cladding is provided with the tangible layer of electrostatic screen.
4. high voltage load switch-Combined switch of circuit breaker according to claim 2, it is characterised in that described high-tension fuse outfan is connected by hollow type isolated bus with outside line electrical energy inputs.
5. high voltage load switch-Combined switch of circuit breaker according to claim 2, it is characterised in that described high-tension fuse input is connected by conductive copper conductor with described vacuum load switch outfan.
6. high voltage load switch-Combined switch of circuit breaker according to claim 5, it is characterized in that, between described static contact of grounding switch, described high-tension fuse, described vacuum load switch, described conductive copper conductor and described epoxy resin seal pole, be provided with cushion.
7. high voltage load switch-Combined switch of circuit breaker according to claim 1, it is characterized in that, described high-tension fuse also comprises electrical apparatus release, when line fault and arbitrary described High-voltage Fuse Blow, the electrical apparatus release of a plurality of described High-voltage Fuse Blows is threaded off, and described electrical apparatus release is cut-off by a plurality of described vacuum load switch of described on-load switch mechanism controls.
8. high voltage load switch-Combined switch of circuit breaker according to claim 1, it is characterised in that when earthed switch described in described earthed switch mechanism controls closes, described earthed switch is by on-load switch mechanism described in connecting rod locking; When earthed switch described in described earthed switch mechanism controls cut-offs and vacuum load switch described in described on-load switch mechanism controls closes, described on-load switch is by earthed switch mechanism described in connecting rod locking.
9. high voltage load switch-Combined switch of circuit breaker according to claim 1, it is characterised in that described on-load switch mechanism drives a plurality of described vacuum load switch close or cut-off by combined floodgate spring and sluice separating spring.
10. high voltage load switch-Combined switch of circuit breaker according to claim 1, it is characterised in that described earthed switch mechanism controls described earthed switch by connecting rod and closes or cut-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106893.4U CN205303292U (en) | 2015-12-28 | 2015-12-28 | High voltage load switch - fuse combination switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106893.4U CN205303292U (en) | 2015-12-28 | 2015-12-28 | High voltage load switch - fuse combination switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303292U true CN205303292U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106893.4U Active CN205303292U (en) | 2015-12-28 | 2015-12-28 | High voltage load switch - fuse combination switch |
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| Country | Link |
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| CN (1) | CN205303292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920711A (en) * | 2015-12-28 | 2017-07-04 | 国家电网公司 | High voltage load switch-Combined switch of circuit breaker |
| CN107800068A (en) * | 2017-11-28 | 2018-03-13 | 沈阳昊诚电气有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
-
2015
- 2015-12-28 CN CN201521106893.4U patent/CN205303292U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920711A (en) * | 2015-12-28 | 2017-07-04 | 国家电网公司 | High voltage load switch-Combined switch of circuit breaker |
| CN107800068A (en) * | 2017-11-28 | 2018-03-13 | 沈阳昊诚电气有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN107800068B (en) * | 2017-11-28 | 2024-04-26 | 沈阳昊诚电气有限公司 | Environment-friendly gas-insulated switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: State Grid Beijing Electric Power Company Patentee after: State Grid Corporation of China Co-patentee after: Nanjing Nari Co., Ltd. Co-patentee after: Beijing NARI yanhuayuan Power Technology Co. Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Beijing Electric Power Company Patentee before: State Grid Corporation of China Co-patentee before: Nanjing Nari Co., Ltd. Co-patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: STATE GRID BEIJING ELECTRIC POWER Co. Patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: Nanjing Nanrui Group Co. Co-patentee after: NARI Intelligent Distribution Technology Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID BEIJING ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: Nanjing Nanrui Group Co. Co-patentee before: BEIJING NANRUI DIANYAN HUAYUAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |