CN204947440U - A kind of environmental protection gas-insulated ring network cabinet - Google Patents
A kind of environmental protection gas-insulated ring network cabinet Download PDFInfo
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- CN204947440U CN204947440U CN201520669167.7U CN201520669167U CN204947440U CN 204947440 U CN204947440 U CN 204947440U CN 201520669167 U CN201520669167 U CN 201520669167U CN 204947440 U CN204947440 U CN 204947440U
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- environmental protection
- ring network
- switch
- network cabinet
- insulated ring
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Abstract
The utility model provides a kind of environmental protection gas-insulated ring network cabinet, described environmental protection gas-insulated ring network cabinet has comprised hermetic gas tank, described gas tank comprises at least one three-phase high-voltage vacuum switch unit, and at least one three-phase high-voltage vacuum switch unit described is arranged in described gas tank.Environmental protection gas-insulated ring network cabinet of the present utility model, its cabinet is closed and is arranged, and its gas tank is hermetically-sealed construction, safe and reliable, can the personal safety of effective guarantee operations staff; The incoming line of gas tank and line outlet are provided with the insulating sleeve with separation sleeve, ensure that the insulation property between three-phase and between phase and ground; Adopt assembly type insulation spindle, not only compact conformation, and between its each main shaft, be provided with side plate isolation, strengthen insulation property between phase and phase.This environmental protection gas-insulated ring network cabinet adopts environmental protection gas as medium, environmental protection, without greenhouse effect and pollution, and adopts Modularized splice, miniaturized, and is easy to install.
Description
Technical field
The utility model relates to the insulated switching installation technical field of electric power system, particularly relates to a kind of environmental protection gas-insulated ring network cabinet.
Background technology
Ring main unit is that one group of high voltage switchgear is contained in steel sheet metal cabinet or makes the electric equipment of assembled compartment ring network power supplying units, has that structure is simple, volume is little, price is low, can improve power supply parameter and the advantage such as performance and power supply safety; Mainly comprise gas-insulated ring network cabinet and the large class of solid insulation ring main unit two.
In existing technology, the most of dielectric of gas-insulated ring network cabinet adopts SF
6gas, and SF
6be listed in one of six kinds of gases with greenhouse effect; And after arc discharge, SF
6gas can be decomposed into the virose subfluoride gas of tool.Therefore, minimizing even avoids SF
6the use of gas, has become the inexorable trend of distribution switchgear manufacturing development.
Utility model content
The utility model is intended to solve above-described problem.An object of the present utility model is to provide any one insulation ring main unit in a kind of overcoming the above problems.Particularly, the utility model provides the insulation ring main unit that environmental protection gas can be adopted as medium.
According to first aspect of the present utility model, the utility model provides a kind of environmental protection gas-insulated ring network cabinet, described environmental protection gas-insulated ring network cabinet has comprised hermetic gas tank, described gas tank comprises at least one three-phase high-voltage vacuum switch unit, and at least one three-phase high-voltage vacuum switch unit described is arranged in described gas tank; Wherein, described three-phase high-voltage vacuum switch unit comprises switch framework, main switch, insulator and tri-station isolating switch, described switch framework is hexahedron structure, and described main switch and described insulator are all arranged in described switch framework, and be fixedly connected with described switch framework, and wherein, described tri-station isolating switch is arranged in described switch framework, and be fixed on described insulator, and described tri-station isolating switch is arranged on immediately below described main switch; And in working order, the top of the isolation blade of described tri-station isolating switch can touch the leading-out terminal of described main switch.
Wherein, described tri-station isolating switch comprises insulation spindle, and described insulation spindle is assembly type insulation spindle, comprises three identical spindle main body, and described three identical spindle main body are end to end successively vertically, are assembled into row.
Wherein, described three spindle main body are respectively arranged with an isolation blade, isolation tool rest, one piece of location-plate and two blocks of side plates; Wherein, described isolation tool rest is fixed on the top of described insulator by described location-plate, described two blocks of side plates are separately fixed at the both sides of described location-plate, described isolation blade is through the support of described spindle main body corresponding thereto, and the bottom of described isolation blade is fixed on described isolation tool rest.
Wherein, described main switch also comprises insulation crust, end of incoming cables and arc control device, and it is inner that described arc control device are arranged on described insulation crust, and described end of incoming cables and described leading-out terminal are all arranged on described insulation crust, and are connected with described arc control device.
Wherein, three-phase high-voltage vacuum switch unit correspondence described in each is provided with a road incoming line and a road line outlet, and described incoming line and described line outlet are separately positioned on described gas tank, and passes the casing of described gas tank.
Wherein, described in incoming line described in every road and every road, line outlet is provided with three insulating sleeves, and on described three insulating sleeves inner surface being set in qually spaced in the casing of described gas tank in a row.
Wherein, described insulating sleeve comprises separation sleeve and sleeve body, and described separation sleeve is arranged on the end of described sleeve body, and described separation sleeve and sleeve body are integral type structure.
Wherein, described main switch is pole.
Environmental protection gas-insulated ring network cabinet as described in above content, the gas of employing is dry air and/or nitrogen.
Environmental protection gas-insulated ring network cabinet of the present utility model, its cabinet is closed and is arranged, and its gas tank is hermetically-sealed construction, safe and reliable, can the personal safety of effective guarantee operations staff; The incoming line of gas tank and line outlet are provided with the insulating sleeve with separation sleeve, ensure that the insulation property between three-phase and between phase and ground; Adopt assembly type insulation spindle, not only compact conformation, and between its each main shaft, be provided with side plate isolation, strengthen insulation property between phase and phase.This environmental protection gas-insulated ring network cabinet adopts environmental protection gas as medium, environmental protection, without greenhouse effect and pollution, and adopts Modularized splice, miniaturized, and is easy to install.
Read the following description for exemplary embodiment with reference to accompanying drawing, other property features of the present utility model and advantage will become clear.
Accompanying drawing explanation
To be incorporated in specification and the accompanying drawing forming a part for specification shows embodiment of the present utility model, and together with the description for explaining principle of the present utility model.In the drawings, similar Reference numeral is used for key element like representation class.Accompanying drawing in the following describes is embodiments more of the present utility model, instead of whole embodiment.For those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can be obtained according to these accompanying drawings.
Fig. 1 schematically illustrates the internal structure schematic diagram of the gas tank of environmental protection gas-insulated ring network cabinet of the present utility model;
Fig. 2 schematically illustrates the end view of Fig. 1;
Fig. 3 schematically illustrates the structural representation of the three-phase high-voltage vacuum switch unit of environmental protection gas-insulated ring network cabinet of the present utility model;
Fig. 4 schematically illustrates the structural representation of tri-station isolating switch;
Fig. 5 schematically illustrates the structural representation of main switch;
Fig. 6 schematically illustrates the structural representation of insulating sleeve.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Basic thought of the present utility model is structure by improving ring main unit internal component and layout thereof, increases the insulation property of the component devices of ring main unit, to make up environmental protection gas and SF
6the difference of the insulation property between gas, thus reach under the prerequisite not increasing ring main unit volume, use environmental protection gas to replace SF
6gas, as the object of medium, had both ensured the insulation property of insulation ring main unit, ensured the safety of operating personnel, again can environmental protection.
Below in conjunction with accompanying drawing, environmental protection gas-insulated ring network cabinet provided by the utility model is described in detail.
Environmental protection gas-insulated ring network cabinet of the present utility model has comprised hermetic gas tank, is filled with the environmental protection gas of certain pressure in gas tank.Fig. 1 shows the internal structure schematic diagram of this gas tank, and Fig. 2 shows the end view of Fig. 1.Shown in comprehensively seeing figures.1.and.2, this gas tank 100 comprises at least one three-phase high-voltage vacuum switch unit 1, and three-phase high-voltage vacuum switch unit 1 seals in the gas tank 100 that is arranged on and is filled with certain pressure environmental protection gas completely.
Particularly, three-phase high-voltage vacuum switch unit 1 comprises switch framework 11, main switch 12, insulator 14 and tri-station isolating switch 13.Switch framework 11 is connected with gas tank 100 and ground connection by grounding copper twisted wire 103, realize the reliable ground of switch framework 11 and gas tank 100, and fitting operation is time saving and energy saving.
Fig. 3 shows the structural representation of three-phase high-voltage vacuum switch unit 1.With reference to shown in Fig. 3, switch framework 11 is hexahedron structure, and main switch 12 and insulator 14 are all arranged in switch framework 11, and are all fixedly connected with switch framework 11.Tri-station isolating switch 13 is also arranged in switch framework 11, and be fixedly connected on insulator 14, and tri-station isolating switch 13 is arranged on immediately below main switch 12, and, in working order, the top of the isolation blade 131 of tri-station isolating switch 13 can touch the leading-out terminal 121 of main switch 12, and this leading-out terminal 121 uses as the fixed contact of tri-station isolating switch 13.
In addition, the bottom of switch framework 11 is provided with earthing bar mounting panel 14, earthing bar mounting panel 14 is installed with earthing bar 15, as the earth terminal of tri-station isolating switch 13; The centre position of leading-out terminal 121 and earthing bar 15 is then as tri-station isolating switch 13 quantile.
Fig. 4 shows the structural representation of tri-station isolating switch.As shown in Figure 4, tri-station isolating switch 13 comprises insulation spindle 132, and known with reference to Fig. 2, the two ends of insulation spindle 132 are fixedly connected on switch framework 11.Fig. 5 shows the structural representation of this insulation spindle.As shown in Figure 5, insulation spindle 132 is assembly type insulation spindle, comprise three identical spindle main body 1321, and three spindle main body 1321 is end to end successively vertically, are assembled into row.The two ends of three identical spindle main body 1321 are connected by the mode of hexahedron formula axis hole grafting, and the two ends of the insulation spindle 132 that it connects to form are connected on switch framework 11.
This modular insulation spindle 132 has following two aspect advantages: once, only need the little mould of two covers to realize, namely the insulation spindle main body identical by three-phase and the joint of both sides can be spliced into required insulation spindle 132, compare the insulation spindle of integral type, not only reduce costs, and be conducive to batch production and assembling.Two, due to hexahedron symmetrical structure and characteristic, when this modular insulation spindle 132 rotarily drives isolation blade 131 action of three-station, force dispersion between each main body or joint, on six faces of grafting, makes the overall stressing conditions of insulation spindle more stable.
Return comprehensive with reference to shown in Fig. 3 and Fig. 4, the bottom of insulator 14 is fixedly connected on switch framework 11.Three spindle main body 1321 are respectively arranged with isolation 131, one, blade isolation tool rest 134, one piece of location-plate 135 and two blocks of side plates 136.Wherein, isolation tool rest 134 is fixed on the top of insulator 14 by location-plate 135, this connected mode can be isolate tool rest 134 is fixed on location-plate 135, location-plate 135 is fixed on insulator 14 top, also can be the top that location-plate 135 is fixed on the top of insulator 14, isolation tool rest 134 is fixed on insulator 14 through location-plate 135.Two blocks of side plates 136 are separately fixed at the both sides of location-plate 135, strengthen insulation property between phase and phase; Isolation blade 131 is through the support 1322 of spindle main body 1321 corresponding thereto, and the bottom isolating blade 131 is fixed on isolation tool rest 134.
Insulation spindle 132 is overlooked downwards from top, and there is the square hole running through its support 1322 centre, and the blade of isolation blade 131 runs through this square hole.Isolation blade 131 uses as the moving contact of tri-station isolating switch 13, can rotate along with the rotation of insulation spindle 132.Insulation spindle 132 rotarily drives the action of isolation blade 131, isolation blade 131 turns to quantile (i.e. the centre position of leading-out terminal 121 and earthing bar 15) from fixed contact (i.e. the leading-out terminal 121 of main switch 12), turn to earth terminal (i.e. earthing bar 15) again, namely complete the combined floodgate of tri-station isolating switch 13, to disjunction, transformation to ground connection.
Fig. 5 shows the structural representation of main switch 12.With reference to shown in Fig. 5, main switch 12 is except being provided with foregoing leading-out terminal 121, also comprise insulation crust 122, end of incoming cables 123 and arc control device (not shown), it is inner that arc control device are arranged on insulation crust 122, end of incoming cables 123 and leading-out terminal 121 are all arranged on insulation crust 122, and are connected with arc control device.
The main switch 12 be suitable in the utility model, the distribution in back-to-back type of its end of incoming cables 123 and leading-out terminal 121, reduces the height dimension of main switch 12; Three-phase main switch 12 is laterally placed in switch framework 11, and mode apportion one row before, during and after pressing, take full advantage of the degree of depth of switch framework 11, directly reduce height and the volume of framework, achieve the Miniaturization Design of switchgear.
Its leading-out terminal 121 is directly as the fixed contact of three Station Separation switches 13, with the isolation blade 131 of tri-station isolating switch 13 with the use of, simplify and incorporate between main switch 12 with tri-station isolating switch 13 and overlap and the structure coordinated, main switch 12 directly as a part for tri-station isolating switch 13, forms a kind of knockdown supporting component with tri-station isolating switch 13.And, using the fixed contact of the leading-out terminal 121 of main switch 12 as tri-station isolating switch 13, be integrated because its leading-out terminal 121 is built with the insulation crust 122 of main switch 12, when avoiding in the past independent isolating switch combined floodgate, fixed contact is as high-voltage side conductor, for reaching the requirement of insulation against ground, needing other insulating part to occur as situation about supporting, decreasing the consumptive material of insulating material.
In addition, on gas tank 100, each three-phase high-voltage vacuum switch unit 1 correspondence is provided with road incoming line 2 and a road line outlet 3.Shown in Fig. 1 and Fig. 2, incoming line 2 and line outlet 3 are separately positioned on gas tank 100, and pass the casing of gas tank 100.In the present embodiment, incoming line 2 is arranged on the top of the first side 101 of gas tank 100, and line outlet 3 is arranged on the bottom of second side 102 perpendicular with the first side 101 of gas tank 100, and incoming line 2 and line outlet 3 horizontal arrangement all in a row.
Particularly, every road incoming line 2 and every road line outlet 3 are provided with three insulating sleeves 4, and three insulating sleeve 4 inner surfaces being set in qually spaced in the casing of gas tank 100 in a row.Fig. 6 shows the structural representation of this insulating sleeve 4.With reference to shown in Fig. 6, insulating sleeve 4 comprises separation sleeve 41 and sleeve body 42, and separation sleeve 41 is arranged on the end of sleeve body 42, and separation sleeve 41 and sleeve body 42 are integral type structure.And wherein, the vertical sectional shape of separation sleeve 41 is U-shaped.
Separation sleeve 41 and sleeve body 42 are fixed together, structure is simple, quick and easy for installation; Meanwhile, without the need to installing dividing plate in addition, the insulating effect between high-voltage charged body three-phase with to earth electric field just can be ensured.
It is pointed out that main switch 12 is for pole, particularly, can be circuit breaker or on-load switch.
Environmental protection gas-insulated ring network cabinet of the present utility model, the medium adopted is environmental protection gas, and this environmental protection gas can be dry air or nitrogen, also can be the mist of dry air or nitrogen, or other satisfactory environmental protection gases.
In sum, environmental protection gas-insulated ring network cabinet of the present utility model has following effect:
First, the insulation spindle of three-phase high-voltage vacuum switch adopts assembly type, utilizes three identical spindle main body to connect successively composition one row, both saves die cost, and be beneficial to again batch production and assembling; Its hexahedral profile can also make the overall stressing conditions of insulation spindle more stable; And each spindle main body has two blocks of side plates, strengthens the insulation property between phase and phase and between phase and ground.Environmental protection gas-insulated ring network cabinet of the present utility model, by the basis of performance not reducing any parts, simplified apparatus structure, thus the side plate that the insulation property can strengthened between phase and phase and between phase and ground can be set up on insulation spindle.
Secondly, the end of incoming cables of main switch back-to-back type and leading-out terminal distribution mode, reduce the size of main switch self; And the modes of emplacement of three-phase main switch, then reduce the volume of switch element, achieve the design of ring main unit integral device miniaturization.
In addition, all adopt the insulating sleeve of separation sleeve and sleeve body integration at the incoming line of gas tank and line outlet, further ensure the insulating effect between high-voltage charged body three-phase with to earth electric field.
Environmental protection gas-insulated ring network cabinet of the present utility model, by the design of insulation system more optimized gas tank internal component, and its rationalization layout in gas tank, under the prerequisite not increasing ring main unit overall volume, improve the insulation property of three-phase high-voltage vacuum switch unit and gas tank, make up environmental protection gas and SF
6the difference of the insulation property between gas, thus environmental protection gas can be used to replace SF
6gas, as medium, reaches the object of environmental protection; Meanwhile, the insulation property of the ring main unit entirety of can also ensureing to insulate, ensure the personal safety of operating personnel, and guarantee electric equipment long-term safety, stable, reliably run.
Assemble under the three-phase high-voltage vacuum switch unit of this ring main unit can carry out cabinet, after having assembled, push gas tank again, avoid the installation inconvenience because the height of gas tank casing or the narrow of space cause, make staff quick and easy for installation, time saving and energy saving.
Above-described content can combine enforcement individually or in every way, and these variant are all within protection range of the present utility model.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, by statement " comprising one ... " the key element limited, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. an environmental protection gas-insulated ring network cabinet, it is characterized in that, described environmental protection gas-insulated ring network cabinet has comprised hermetic gas tank (100), described gas tank (100) comprises at least one three-phase high-voltage vacuum switch unit (1), and at least one three-phase high-voltage vacuum switch unit (1) described is arranged in described gas tank (100), wherein, described three-phase high-voltage vacuum switch unit (1) comprises switch framework (11), main switch (12), insulator (14) and tri-station isolating switch (13), described switch framework (11) is hexahedron structure, and described main switch (12) and described insulator (14) are all arranged in described switch framework (11), and be fixedly connected with described switch framework (11), and wherein, described tri-station isolating switch (13) is arranged in described switch framework (11), and be fixed on described insulator (14), and described tri-station isolating switch (13) is arranged on immediately below described main switch (12), and in working order, the top of the isolation blade (131) of described tri-station isolating switch (13) can touch the leading-out terminal (121) of described main switch (12).
2. environmental protection gas-insulated ring network cabinet as claimed in claim 1, it is characterized in that, described tri-station isolating switch (13) comprises insulation spindle (132), described insulation spindle (132) is assembly type insulation spindle, comprise three identical spindle main body (1321), further, described three identical spindle main body (1321) are end to end successively vertically, are assembled into row.
3. environmental protection gas-insulated ring network cabinet as claimed in claim 2, it is characterized in that, described three spindle main body (1321) are respectively arranged with isolation blade (131), isolation tool rest (134), one piece of location-plate (135) and two pieces of side plates (136); Wherein, described isolation tool rest (134) is fixed on the top of described insulator (14) by described location-plate (135), described two pieces of side plates (135) are separately fixed at the both sides of described location-plate (135), described isolation blade (131) is through the support (1322) of described spindle main body (1321) corresponding thereto, and the bottom of described isolation blade (131) is fixed on described isolation tool rest (134).
4. environmental protection gas-insulated ring network cabinet as claimed in claim 1, it is characterized in that, described main switch (12) also comprises insulation crust (122), end of incoming cables (123) and arc control device, it is inner that described arc control device are arranged on described insulation crust (122), described end of incoming cables (123) and described leading-out terminal (121) are all arranged on described insulation crust (122), and are connected with described arc control device.
5. environmental protection gas-insulated ring network cabinet as claimed in claim 1, it is characterized in that, three-phase high-voltage vacuum switch unit (1) correspondence described in each is provided with a road incoming line (2) and a road line outlet (3), described incoming line (2) and described line outlet (3) are separately positioned on described gas tank (100), and pass the casing of described gas tank (100).
6. environmental protection gas-insulated ring network cabinet as claimed in claim 5, it is characterized in that, described in incoming line (2) described in every road and every road, line outlet (3) is provided with three insulating sleeves (4), and on described three insulating sleeves (4) inner surface being set in qually spaced in the casing of described gas tank (100) in a row.
7. environmental protection gas-insulated ring network cabinet as claimed in claim 6, it is characterized in that, described insulating sleeve (4) comprises separation sleeve (41) and sleeve body (42), described separation sleeve (41) is arranged on the end of described sleeve body (42), and described separation sleeve (41) and sleeve body (42) are integral type structure.
8. environmental protection gas-insulated ring network cabinet as claimed in claim 4, it is characterized in that, described main switch (12) is pole.
9. the environmental protection gas-insulated ring network cabinet as described in as arbitrary in claim 1 ~ 8, is characterized in that, the gas that described environmental protection gas-insulated ring network cabinet adopts is dry air or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669167.7U CN204947440U (en) | 2015-08-31 | 2015-08-31 | A kind of environmental protection gas-insulated ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669167.7U CN204947440U (en) | 2015-08-31 | 2015-08-31 | A kind of environmental protection gas-insulated ring network cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN204947440U true CN204947440U (en) | 2016-01-06 |
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| CN201520669167.7U Withdrawn - After Issue CN204947440U (en) | 2015-08-31 | 2015-08-31 | A kind of environmental protection gas-insulated ring network cabinet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529646A (en) * | 2016-02-06 | 2016-04-27 | 北京清畅电力技术股份有限公司 | Environment-friendly gas switch cabinet |
| CN106252142A (en) * | 2016-08-11 | 2016-12-21 | 珠海市可利电气有限公司 | Compact air insulation cabinet disconnecting switch structure |
| CN106451190A (en) * | 2016-08-31 | 2017-02-22 | 江苏德春电力科技股份有限公司 | Modular environment-friendly gas-insulated ring network cabinet |
| CN106486913A (en) * | 2015-08-31 | 2017-03-08 | 河北电力装备有限公司 | A kind of environmental protection gas-insulated ring network cabinet |
| CN106505458A (en) * | 2017-01-03 | 2017-03-15 | 浙江聚弘凯电气有限公司 | A kind of nitrogen gas insulating ring main unit |
| CN106602452A (en) * | 2016-12-01 | 2017-04-26 | 张力 | Isolation circuit breaker insulated by adopting environmental gas |
-
2015
- 2015-08-31 CN CN201520669167.7U patent/CN204947440U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486913A (en) * | 2015-08-31 | 2017-03-08 | 河北电力装备有限公司 | A kind of environmental protection gas-insulated ring network cabinet |
| CN106486913B (en) * | 2015-08-31 | 2018-05-01 | 河北电力装备有限公司 | A kind of environmental protection gas-insulated ring network cabinet |
| CN105529646A (en) * | 2016-02-06 | 2016-04-27 | 北京清畅电力技术股份有限公司 | Environment-friendly gas switch cabinet |
| CN106252142A (en) * | 2016-08-11 | 2016-12-21 | 珠海市可利电气有限公司 | Compact air insulation cabinet disconnecting switch structure |
| CN106451190A (en) * | 2016-08-31 | 2017-02-22 | 江苏德春电力科技股份有限公司 | Modular environment-friendly gas-insulated ring network cabinet |
| CN106602452A (en) * | 2016-12-01 | 2017-04-26 | 张力 | Isolation circuit breaker insulated by adopting environmental gas |
| CN106505458A (en) * | 2017-01-03 | 2017-03-15 | 浙江聚弘凯电气有限公司 | A kind of nitrogen gas insulating ring main unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161101 Address after: Congtai District Street 056004 city of Handan province Hebei Power Plant No. 33 Patentee after: Hebei Electric Power Equipment Co., Ltd. Patentee after: SOUTH CHINA ELECTRIC DEVELOPMENT (XIAMEN) LTD. Address before: Congtai District Street 056004 city of Handan province Hebei Power Plant No. 33 Patentee before: Hebei Electric Power Equipment Co., Ltd. Patentee before: XIAMEN KAINENG ELECTRIC POWER SCIENCE & TECHNOLOGY CO., LTD. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20180501 |
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| AV01 | Patent right actively abandoned |