CN114284926B - Atmospheric air insulation switch equipment - Google Patents
Atmospheric air insulation switch equipment Download PDFInfo
- Publication number
- CN114284926B CN114284926B CN202111610202.4A CN202111610202A CN114284926B CN 114284926 B CN114284926 B CN 114284926B CN 202111610202 A CN202111610202 A CN 202111610202A CN 114284926 B CN114284926 B CN 114284926B
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- Prior art keywords
- circuit breaker
- isolating
- crank arm
- bus
- knife
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- 238000009413 insulation Methods 0.000 title claims abstract description 15
- 230000003068 static effect Effects 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to normal pressure air insulation switch equipment, which comprises a cabinet body and an air box arranged in the cabinet body, wherein a mechanism operation chamber, a secondary instrument box and a high-voltage cable chamber are arranged in the cabinet body, the air box is arranged at the upper rear part of the cabinet body, the upper side plate of the air box is tightly attached to the inner side of the upper side plate of the cabinet body, a vacuum breaker and a disconnecting switch are arranged in the air box, and bus side expansion sleeves are arranged in the side plates at the two sides of the air box.
Description
Technical Field
The invention belongs to the technical field of high-voltage electrical equipment, and particularly relates to normal-pressure air insulation switch equipment.
Background
The insulating switch equipment is a high-voltage switch cabinet in which a vacuum circuit breaker is arranged in a gas box filled with insulating gas as a medium, the circuit breaker and a high-voltage electrified metal conductor arranged in the gas box are required to be as small as possible under the premise of ensuring the insulating performance, and the SF is generally filled in the conventional gas-filled cabinet 6 Gas, SF 6 Although non-toxic, the SF is caused by the discharge or arc generated during the operation of the switch 6 The gas generates toxic substances, leakage can cause environmental pollution, is recognized as a harmful gas generating greenhouse effect, and therefore, the normal-pressure air insulation switch equipment adopting the same air insulation internal and external pressure and having compact structure and small volume is required.
Disclosure of Invention
In view of the above, the present invention aims to provide a totally enclosed normal pressure air insulation switch device which adopts air insulation and has small volume.
In order to achieve the above purpose, the invention adopts normal pressure air insulation switch equipment, which comprises a cabinet body and an air box arranged in the cabinet body, wherein a mechanism operation chamber, a secondary instrument box and a high-voltage cable chamber are arranged in the cabinet body;
the gas tank is arranged at the upper part of the rear of the cabinet body, the upper side plate of the gas tank is tightly attached to the inner side of the upper side plate of the cabinet body, a vacuum circuit breaker and a disconnecting switch are arranged in the gas tank, and bus side expansion tubes are arranged in the side plates at two sides of the gas tank;
the mechanism operation chamber is arranged in front of the gas tank, and an operation mechanism of a breaker and a disconnecting switch is arranged in the mechanism operation chamber;
the secondary instrument box is arranged above the mechanism operation chamber;
the high-voltage cable chamber is arranged below the air box.
The gas box is arranged to comprise a box body, a vacuum circuit breaker, a disconnecting switch, bus side expansion sleeves and an outgoing line sleeve, wherein the vacuum circuit breaker, the disconnecting switch, the bus side expansion sleeves and the outgoing line sleeve are arranged in the box body, three pairs of bus expansion holes are formed in side plates on two sides of the box body, the three pairs of bus side expansion sleeves are arranged above the vacuum circuit breaker, the outer sides of each pair of bus side expansion sleeves are respectively and hermetically connected to the bus expansion holes in the side plates on two sides of the box body, the rear sides of each pair of bus side expansion sleeves are connected through an upper bus, the vacuum circuit breaker is connected with the upper bus, the disconnecting switch is arranged below the vacuum circuit breaker, the outgoing line sleeve is arranged below the disconnecting switch, and the outgoing line sleeve extends to a high-voltage cable chamber.
The invention provides a vacuum circuit breaker which comprises a circuit breaker side plate, a circuit breaker mounting plate, an insulating cylinder, a vacuum arc-extinguishing chamber, a movable conducting rod, a conducting seat, a circuit breaker crank arm, an insulating pull rod and an operating shaft, wherein the two circuit breaker mounting plates are connected between the two circuit breaker side plates, two sides of three insulating cylinders are connected to the circuit breaker mounting plate, the vacuum arc-extinguishing chamber is integrally formed in the insulating cylinder, the insulating cylinder forms a switch cavity above the vacuum arc-extinguishing chamber, the movable conducting rod is arranged in the switch cavity and is connected to the upper end of the vacuum arc-extinguishing chamber, the conducting seat is arranged at the upper end of the insulating cylinder, an upper circuit breaker bus is arranged on the conducting seat and connected with the upper bus, the middle part of the circuit breaker crank arm is hinged to the conducting seat, the outer end of the movable conducting rod is connected to the inner end of the circuit breaker crank arm, the inner end of the insulating pull rod is connected to the outer end of the circuit breaker crank arm, the operating shaft is arranged on one side of the insulating cylinder, the operating shaft is sleeved with the operating crank arm, and the outer end of the insulating pull rod is connected with the top end of the operating crank arm on the operating shaft.
The isolating switch comprises an isolating knife holder, a movable contact knife, an isolating static knife, an insulating fixed shaft, an isolating crank arm and an isolating main shaft, wherein the isolating knife holder is arranged at the lower end of a vacuum arc-extinguishing chamber, the movable contact knife is arranged below the isolating knife holder relative to the isolating knife holder, the insulating fixed shaft is connected between side plates of a circuit breaker on two sides, the isolating static knife is arranged on the insulating fixed shaft in a penetrating way, the lower end of the movable contact knife is hinged to the upper end of the isolating static knife, the lower end of the isolating static knife is connected with an outgoing line sleeve through a lower bus, the isolating main shaft is arranged on the side plates of the circuit breaker in a penetrating way, the main shaft crank arm is arranged on the isolating main shaft, the inner end of the isolating crank arm is connected to the movable contact knife, and the outer end of the isolating crank arm is connected to the top end of the main shaft crank arm.
The invention further provides that the insulating fixed shaft is made of PT plastic, three static knife grooves are formed on the insulating fixed shaft, and the insulating static knife is inserted into the static knife grooves to be fixed.
The invention further provides that the movable conducting rod is provided with the conducting sleeve, a strip-shaped pressurizing hole is formed in the conducting sleeve, a connecting pin is formed on the movable conducting rod and penetrates through the pressurizing hole, and a spring is arranged between the conducting sleeve and the movable conducting rod.
The invention further provides that the operating shaft is arranged on the outer side of one of the breaker mounting plates, and a yielding groove for the operating crank arm and the insulating pull rod to pass through is formed on the breaker mounting plate.
The invention is further characterized in that the insulating cylinder is cross-shaped, the vacuum arc-extinguishing chambers are arranged at the middle part and the lower part of the insulating cylinder, the switch cavity is arranged at the upper part of the insulating cylinder, the two sides of the insulating cylinder form mounting parts, and the outer ends of the mounting parts are connected to the mounting plate of the circuit breaker.
The invention further provides that the movable contact knife is provided with the triangular crank arm, two corners of the triangular crank arm are connected with the movable contact knife, and the inner end of the isolation crank arm is connected with the left corner of the triangular crank arm.
The invention is further provided with a hollow structure formed on the insulating fixed shaft, and a plurality of outward expansion sheets are formed among the three static knife grooves.
The beneficial effects of the invention are as follows:
1. the gas box top grid is arranged at the upper part of the cabinet body, so that the space of a bus chamber at the upper part of the original cabinet body is saved, the bus expansion sleeve is arranged in the gas box, and the bus expansion sleeve is arranged at two sides of the gas box in a laterally expanding mode, so that the upper space of the cabinet body is saved, the whole volume of the cabinet body is reduced, and the production cost is lower;
2. the insulating cylinder of the vacuum circuit breaker wraps the movable conducting rod inside, so that the inter-phase creepage distance is increased, the insulating performance is improved, and air insulation under normal pressure environment is realized;
3. the insulating pull rod is turned to the side surface of the insulating cylinder by adopting the crank arm of the circuit breaker, so that the longitudinal space occupation is reduced, and the purpose of reducing the volume is realized;
4. an insulating fixed shaft made of PTFE polytetrafluoroethylene is used for fixing and isolating the static knife, so that the action stability of the movable contact knife is ensured;
5. the spring is arranged between the movable conducting rod and the conductive sleeve to apply pressure to the conductive sleeve, so that the connection with the static contact is ensured to be stable.
Drawings
Fig. 1 is a schematic illustration of an embodiment of the invention with side covers removed.
Fig. 2 is a perspective view of an air box according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a gas box according to an embodiment of the present invention.
Fig. 4 is the air box interior of fig. 1 of an embodiment of the present invention.
Fig. 5 is the air box interior of fig. 2 of an embodiment of the present invention.
Fig. 6 is a schematic view of a vacuum interrupter with an insulating cylinder removed in an embodiment of the invention.
Detailed Description
As shown in fig. 1 to 3, a specific embodiment of the invention is a normal pressure air insulation switch device, comprising a cabinet body and an air box 1 arranged in the cabinet body, wherein a mechanism operation chamber 6, a secondary instrument box 8 and a high voltage cable chamber 7 are arranged in the cabinet body;
the gas tank 1 is arranged at the upper part of the rear of the tank body, the upper side plate of the gas tank 1 is tightly attached to the inner side of the upper side plate 10 of the tank body, a vacuum breaker 2 and a disconnecting switch 3 are arranged in the gas tank 1, and bus side expansion tubes 4 are arranged in the side plates at two sides of the gas tank 1;
the mechanism operation chamber 6 is arranged in front of the gas tank 1, and an operation mechanism 61 of a breaker and a disconnecting switch is arranged in the mechanism operation chamber 6;
the secondary instrument box 8 is arranged above the mechanism operation chamber 6;
the high voltage cable chamber 7 is arranged below the gas tank 1.
As shown in fig. 2 and 3, in the embodiment of the present invention, the gas tank 1 includes a tank body, and a vacuum circuit breaker 2, a disconnecting switch 3, bus-bar side expansion bushings 4 and a wire outlet bushing 5 which are disposed in the tank body, three pairs of bus-bar expansion holes 11 are formed on both side plates of the tank body, the three pairs of bus-bar side expansion bushings 4 are disposed above the vacuum circuit breaker 2, the outer sides of each pair of bus-bar side expansion bushings 4 are respectively and hermetically connected to the bus-bar expansion holes 11 on both side plates of the tank body, the rear of each pair of bus-bar side expansion bushings 4 is connected through an upper bus 41, the vacuum circuit breaker 2 is connected to the upper bus bar, the disconnecting switch 3 is disposed below the vacuum circuit breaker 2, the wire outlet bushing 5 is disposed below the disconnecting switch 3, and the wire outlet bushing 5 extends to the high-voltage cable chamber 7.
As shown in fig. 2 to 6, the vacuum circuit breaker 2 in the embodiment of the present invention includes a breaker side plate 21, a breaker mounting plate 22, an insulating cylinder 23, a vacuum interrupter 24, a movable conductive rod 25, a conductive seat 26, a breaker crank arm 27, an insulating pull rod 28, and an operation shaft 29, wherein the two breaker mounting plates 22 are connected between the two breaker side plates 21, the insulating cylinder 23 is in a cross shape, mounting portions 232 are formed at both sides of the insulating cylinder 23, outer ends of the mounting portions 232 at both sides are respectively connected to the two breaker mounting plates 22, the vacuum interrupter 24 is integrally formed at the middle and lower portions of the insulating cylinder 23, the insulating cylinder 23 forms a switching chamber 231 above the vacuum interrupter 24, the movable conductive rod 25 is disposed in the switching chamber 231 and is connected to the upper end of the vacuum interrupter 24, the conducting seat 26 is arranged at the upper end of the insulating cylinder 23, an upper breaker bus 42 is arranged on the conducting seat 26 and is connected with the upper bus 41, the middle part of the breaker crank arm 27 is hinged on the conducting seat 26, the outer end of the movable conducting rod 25 is connected to the inner end of the breaker crank arm 27, the inner end of the insulating pull rod 28 is connected to the outer end of the breaker crank arm 27, the operating shaft 29 is arranged on the outer side of the breaker mounting plate 22 on one side of the insulating cylinder 23, the operating shaft 29 is sleeved with an operating crank arm 291, the outer end of the insulating pull rod 28 is connected with the top end of the operating crank arm 291 on the operating shaft 29, a yielding groove 221 for the operating crank arm 291 and the insulating pull rod 28 to pass through is formed on the breaker mounting plate 22, and the front end of the operating shaft 29 extends out of the gas tank 1 and is connected with the operating mechanism 61.
The movable conductive rod 25 is provided with a conductive sleeve 251, a strip-shaped pressurizing hole 252 is formed in the conductive sleeve 251, a connecting pin 253 is formed on the movable conductive rod 25 and penetrates through the pressurizing hole 252, and a spring 254 is arranged between the conductive sleeve 251 and the movable conductive rod 25.
As shown in fig. 3 to 5, in the specific embodiment of the present invention, the isolating switch 3 includes an isolating blade holder 31, a movable contact blade 32, an isolating static blade 33, an isolating fixed shaft 34, an isolating crank arm 35, and an isolating main shaft 36, wherein the isolating blade holder 31 is disposed at the lower end of the vacuum interrupter 24, the movable contact blade 32 is disposed below the isolating blade holder 31 relative to the isolating blade holder 31, the isolating fixed shaft 34 is connected between the breaker side plates 21 at two sides, the isolating static blade 33 is inserted on the isolating fixed shaft 34, the lower end of the movable contact blade 32 is hinged at the upper end of the isolating static blade 33, the lower end of the isolating static blade 33 is connected with the outlet sleeve 5 through a lower bus 51, the isolating main shaft 36 is inserted at the breaker side plate 21, the isolating main shaft 36 is provided with a main shaft crank arm 361, the movable contact blade 32 is provided with a triangle crank arm 37, two corners of the triangle crank arm 37 are connected with the movable contact blade 32, the inner end of the isolating crank arm 35 is connected with the remaining corner of the triangle crank arm 37, the outer end of the isolating crank arm 35 is connected at the top end of the main shaft crank arm 361, and the front end of the isolating main shaft 36 extends out of the air box 1 to be connected with the operating mechanism 61.
In the implementation of the invention, the insulating fixed shaft 34 is made of PT plastic, three static knife grooves 341 are formed on the insulating fixed shaft 34, the isolating static knife 33 is inserted into the static knife grooves 341 to be fixed, a hollow structure 342 is formed on the insulating fixed shaft 34, and a plurality of external expansion sheets 343 are formed among the three static knife grooves 341.
The present invention is not limited to the specific embodiments described and illustrated herein, and other modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention. All such modifications and variations are intended to be within the scope of the present invention. Moreover, all the components described herein may be replaced by other technically equivalent elements.
Claims (7)
1. The utility model provides an ordinary pressure air insulation switchgear, includes the cabinet body and sets up at the internal gas tank of cabinet, the internal mechanism operating room, secondary instrument box, the high tension cable room that is provided with of cabinet, its characterized in that: the gas tank is arranged at the upper part of the rear of the cabinet body, the upper side plate of the gas tank is tightly attached to the inner side of the upper side plate of the cabinet body, a vacuum circuit breaker and a disconnecting switch are arranged in the gas tank, and bus side expansion tubes are arranged in the side plates at two sides of the gas tank; the mechanism operation chamber is arranged in front of the gas tank, and an operation mechanism of a breaker and a disconnecting switch is arranged in the mechanism operation chamber; the secondary instrument box is arranged above the mechanism operation chamber; the high-voltage cable chamber is arranged below the air box; the gas box comprises a box body, a vacuum circuit breaker, a disconnecting switch, bus side expansion sleeves and an outgoing line sleeve, wherein the vacuum circuit breaker, the disconnecting switch, the bus side expansion sleeves and the outgoing line sleeve are arranged in the box body, three pairs of bus expansion holes are formed on two side plates of the box body, the three pairs of bus side expansion sleeves are arranged above the vacuum circuit breaker, the outer sides of each pair of bus side expansion sleeves are respectively and hermetically connected to the bus expansion holes on the two side plates of the box body, the rear sides of each pair of bus side expansion sleeves are connected through an upper bus, the vacuum circuit breaker is connected with the upper bus, the disconnecting switch is arranged below the vacuum circuit breaker, the outgoing line sleeve is arranged below the disconnecting switch, the outgoing line sleeve extends to a high-voltage cable chamber, the vacuum circuit breaker comprises a circuit breaker side plate, a circuit breaker mounting plate, an insulating cylinder, a vacuum arc extinguishing chamber, a movable conducting rod, a conducting seat, a circuit breaker crank arm, an insulating pull rod and an operating shaft, the two circuit breaker mounting plates are connected between the two circuit breaker side plates, three insulating cylinders of three phases are connected to the circuit breaker mounting plate at two sides, the vacuum arc-extinguishing chamber is integrally formed in the insulating cylinder, the insulating cylinder forms a switch cavity above the vacuum arc-extinguishing chamber, the movable conducting rod is arranged in the switch cavity and connected to the upper end of the vacuum arc-extinguishing chamber, the conducting seat is arranged at the upper end of the insulating cylinder, the upper circuit breaker bus is arranged on the conducting seat and connected with the upper bus, the middle part of the circuit breaker crank arm is hinged to the conducting seat, the outer end of the movable conducting rod is connected to the inner end of the circuit breaker crank arm, the inner end of the insulating pull rod is connected to the outer end of the circuit breaker crank arm, the operating shaft is arranged on one side of the insulating cylinder, the operating shaft is sleeved with the operating crank arm, the outer end of the insulating pull rod is connected with the top end of the operating crank arm on the operating shaft, the insulating cylinder is cross-shaped, the vacuum arc-extinguishing chamber is arranged at the middle part and the lower part of the insulating cylinder, the switch cavity is arranged at the upper part of the insulating cylinder, the two sides of the insulating cylinder form a mounting part, the outer end of the mounting part is connected to the breaker mounting plate.
2. An atmospheric air insulated switchgear as claimed in claim 1, wherein: the isolating switch comprises an isolating knife holder, a movable contact knife, an isolating static knife, an isolating fixed shaft, an isolating crank arm and an isolating main shaft, wherein the isolating knife holder is arranged at the lower end of the vacuum arc-extinguishing chamber, the movable contact knife is arranged below the isolating knife holder relative to the isolating knife holder, the insulating fixed shaft is connected between the side plates of the circuit breaker on two sides, the isolating static knife is arranged on the insulating fixed shaft in a penetrating mode, the lower end of the movable contact knife is hinged to the upper end of the isolating static knife, the lower end of the isolating static knife is connected with an outgoing line sleeve through a lower bus, the isolating main shaft is arranged on the side plate of the circuit breaker in a penetrating mode, the main shaft crank arm is arranged on the isolating main shaft, the inner end of the isolating crank arm is connected to the movable contact knife, and the outer end of the isolating crank arm is connected to the top end of the main shaft crank arm.
3. An atmospheric air insulated switchgear as claimed in claim 2, wherein: the insulation fixed shaft is made of PTFE polytetrafluoroethylene, three static knife grooves are formed in the insulation fixed shaft, and the isolation static knife is inserted into the static knife grooves to be fixed.
4. An atmospheric air insulated switchgear as claimed in claim 1 or 2, wherein: the movable conducting rod is provided with a conducting sleeve, a strip-shaped pressurizing hole is formed in the conducting sleeve, a connecting pin is formed in the movable conducting rod and penetrates through the pressurizing hole, and a spring is arranged between the conducting sleeve and the movable conducting rod.
5. An atmospheric air insulated switchgear as claimed in claim 1 or 2, wherein: the operation shaft is arranged on the outer side of one of the breaker mounting plates, and a yielding groove for the operation crank arm and the insulation pull rod to pass through is formed in the breaker mounting plate.
6. A normal pressure air insulated switchgear as claimed in claim 2 or 3, wherein: the movable contact knife is provided with a triangular crank arm, two corners of the triangular crank arm are connected with the movable contact knife, and the inner end of the isolation crank arm is connected with the left corner of the triangular crank arm.
7. A normal pressure air insulated switchgear as claimed in claim 3, wherein: a hollow structure is formed on the insulating fixed shaft, and a plurality of outward expansion sheets are formed among the three static knife grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610202.4A CN114284926B (en) | 2021-12-27 | 2021-12-27 | Atmospheric air insulation switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610202.4A CN114284926B (en) | 2021-12-27 | 2021-12-27 | Atmospheric air insulation switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114284926A CN114284926A (en) | 2022-04-05 |
| CN114284926B true CN114284926B (en) | 2023-12-15 |
Family
ID=80875924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111610202.4A Active CN114284926B (en) | 2021-12-27 | 2021-12-27 | Atmospheric air insulation switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114284926B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117277129B (en) * | 2023-09-20 | 2024-03-19 | 珠海盈源电气有限公司 | Air insulation cabinet |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465304Y (en) * | 2001-02-21 | 2001-12-12 | 宁波天安（集团）股份有限公司 | Wall-penerating tpye vacuum isolation loading switch |
| CN201311874Y (en) * | 2008-10-20 | 2009-09-16 | 华仪电气股份有限公司 | Outdoor AD vacuum circuit breaker and insulated supporting seat thereof |
| CN101645368A (en) * | 2009-09-02 | 2010-02-10 | 北京双杰电气股份有限公司 | Electric switch provided with separate arc-extinguishing device |
| CN201797234U (en) * | 2010-06-10 | 2011-04-13 | 沈阳飞驰电气设备有限公司 | Small-sized vacuum ring main unit |
| CN102176609A (en) * | 2011-01-25 | 2011-09-07 | 郑文秀 | Vacuum arch-quenching final assembly chamber of console type alternative current intelligent switch cubicle |
| CN102332688A (en) * | 2010-07-14 | 2012-01-25 | 沈阳昊诚电气股份有限公司 | 24kV small-sized vacuum load switch (circuit breaker) cabinet |
| CN105206468A (en) * | 2015-10-22 | 2015-12-30 | 林代湘 | Circuit breaker capable of conveniently adjusting opening range and contacting travel |
| CN106654966A (en) * | 2017-03-15 | 2017-05-10 | 广东阿尔派电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit |
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN207474334U (en) * | 2017-11-21 | 2018-06-08 | 成都民达电力设备有限公司 | A kind of isolation circuit breakers for dry air insulation ring main unit |
| CN108258611A (en) * | 2018-02-08 | 2018-07-06 | 广东金晖隆开关有限公司 | A kind of environment-friendly type air insulated switch cabinet |
| CN208596638U (en) * | 2018-06-05 | 2019-03-12 | 埃玛莱德高压开关设备(深圳)有限公司 | SF6 ring network cabinet high current vacuum circuit breaker |
| CN209804542U (en) * | 2019-07-16 | 2019-12-17 | 朝瑞电气有限公司 | Outdoor intelligent electronic vacuum circuit breaker |
| CN212392574U (en) * | 2019-09-25 | 2021-01-22 | 上海巴佩开关设备有限公司 | Environment-friendly circuit breaker cabinet |
| CN215119851U (en) * | 2021-06-22 | 2021-12-10 | 珠海市实创智能电气有限公司 | Environment-friendly vacuum circuit breaker switch |
-
2021
- 2021-12-27 CN CN202111610202.4A patent/CN114284926B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465304Y (en) * | 2001-02-21 | 2001-12-12 | 宁波天安（集团）股份有限公司 | Wall-penerating tpye vacuum isolation loading switch |
| CN201311874Y (en) * | 2008-10-20 | 2009-09-16 | 华仪电气股份有限公司 | Outdoor AD vacuum circuit breaker and insulated supporting seat thereof |
| CN101645368A (en) * | 2009-09-02 | 2010-02-10 | 北京双杰电气股份有限公司 | Electric switch provided with separate arc-extinguishing device |
| CN201797234U (en) * | 2010-06-10 | 2011-04-13 | 沈阳飞驰电气设备有限公司 | Small-sized vacuum ring main unit |
| CN102332688A (en) * | 2010-07-14 | 2012-01-25 | 沈阳昊诚电气股份有限公司 | 24kV small-sized vacuum load switch (circuit breaker) cabinet |
| CN102176609A (en) * | 2011-01-25 | 2011-09-07 | 郑文秀 | Vacuum arch-quenching final assembly chamber of console type alternative current intelligent switch cubicle |
| CN105206468A (en) * | 2015-10-22 | 2015-12-30 | 林代湘 | Circuit breaker capable of conveniently adjusting opening range and contacting travel |
| CN106654966A (en) * | 2017-03-15 | 2017-05-10 | 广东阿尔派电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit |
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN207474334U (en) * | 2017-11-21 | 2018-06-08 | 成都民达电力设备有限公司 | A kind of isolation circuit breakers for dry air insulation ring main unit |
| CN108258611A (en) * | 2018-02-08 | 2018-07-06 | 广东金晖隆开关有限公司 | A kind of environment-friendly type air insulated switch cabinet |
| CN208596638U (en) * | 2018-06-05 | 2019-03-12 | 埃玛莱德高压开关设备(深圳)有限公司 | SF6 ring network cabinet high current vacuum circuit breaker |
| CN209804542U (en) * | 2019-07-16 | 2019-12-17 | 朝瑞电气有限公司 | Outdoor intelligent electronic vacuum circuit breaker |
| CN212392574U (en) * | 2019-09-25 | 2021-01-22 | 上海巴佩开关设备有限公司 | Environment-friendly circuit breaker cabinet |
| CN215119851U (en) * | 2021-06-22 | 2021-12-10 | 珠海市实创智能电气有限公司 | Environment-friendly vacuum circuit breaker switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114284926A (en) | 2022-04-05 |
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