CN119381201A - An environmentally friendly load switch arc extinguishing structure - Google Patents
An environmentally friendly load switch arc extinguishing structure Download PDFInfo
- Publication number
- CN119381201A CN119381201A CN202411965406.3A CN202411965406A CN119381201A CN 119381201 A CN119381201 A CN 119381201A CN 202411965406 A CN202411965406 A CN 202411965406A CN 119381201 A CN119381201 A CN 119381201A
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- environment
- insulating
- load switch
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/22—Selection of fluids for arc-extinguishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention provides an environment-friendly load switch arc-extinguishing structure, which relates to the technical field of arc-extinguishing structures, and comprises a frame structure and an arc-extinguishing structure, wherein the environment-friendly load switch arc-extinguishing structure is also provided with a dynamic seal assembly, impurities such as metal vapor and the like generated in the arc-extinguishing process can be effectively removed by adding filtering after air blowing, in the process, the arc-extinguishing structure plays a key role, an arc-extinguishing chamber in the arc-extinguishing structure is a main area for generating the metal vapor, therefore, the insulation parts such as the insulation shell, the silicon rubber reinforced insulation and the insulation support and the filtering measures are combined to build a safe electric environment, so that operators are protected, the equipment is ensured to run safely and reliably under normal working voltage, the stable electric environment in the environment-friendly gas cabinet is maintained, electric accidents caused by the reduction of the insulation performance, such as flashover and breakdown, are avoided, and the stability of the whole power system is ensured.
Description
Technical Field
The invention belongs to the technical field of arc extinguishing structures, and particularly relates to an environment-friendly load switch arc extinguishing structure.
Background
The load switch arc extinguishing structure is mainly used for extinguishing the arc generated by the switch in breaking a circuit, the working principle is that various physical or chemical methods are utilized to enable the arc to be extinguished rapidly, so that the switch equipment is protected and the circuit safety is guaranteed, the common arc extinguishing structure has a compressed air type, in the structure, when the switch is broken, a moving contact moves to compress air, the air is ejected out at a high speed to blow out the arc, and the gas is produced, the solid gas producing material in an arc extinguishing chamber is decomposed to generate the air by utilizing the high temperature of the arc, the air is used for extinguishing the arc, the magnetic blowing type arc extinguishing structure depends on the acting force of a magnetic field on the arc to elongate and cool the arc, and finally the arc extinguishing structure can effectively improve the performance of the load switch, prolong the service life of the load switch and play a key role in the fields of an electric power system and the like.
However, in the implementation process of the technical scheme, at least the following technical problems are found:
In the operation of the environment-friendly inflatable cabinet load switch, metal vapors can be generated after the arc extinguishing process is finished, and the metal vapors can be attached to the surface of an insulating part, and can damage the original insulating performance of the insulating part due to the characteristics of the metal vapors, such as conductivity, and the like, so that the problem of insulation failure is caused.
In view of the above, the present invention provides an environment-friendly load switch arc extinguishing structure, which is improved by researching the existing structure and the defects.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an environment-friendly arc extinguishing structure for a load switch, so as to solve the above problems.
The utility model provides an environment-friendly load switch arc extinguishing structure, includes frame construction and arc extinguishing structure, and this environment-friendly load switch arc extinguishing structure still is provided with dynamic seal subassembly, and the inner wall fixed connection of arc extinguishing structure and frame construction, two crossbeams of frame construction's lower extreme fixedly connected with, two crossbeams are parallel to each other, and frame construction's one end fixedly connected with dynamic seal subassembly.
Preferably, a transmission shaft is arranged in the frame structure, and two ends of the transmission shaft are fixedly connected with the inner wall of the frame structure.
Preferably, a group of silicon rubber reinforced insulators are arranged in the frame structure, and each silicon rubber reinforced insulator is fixedly connected with the transmission shaft.
Preferably, two insulating supports are arranged in the frame structure, two ends of each insulating support are fixedly connected with the inner wall of the frame structure, and the two insulating supports are parallel to each other.
Preferably, the arc extinguishing structure comprises a set of insulating housings, each of which is located between two insulating supports.
Preferably, both ends of each insulating shell are provided with wire inlet and outlet copper bars, and the wire inlet and outlet copper bars positioned on the same side are fixedly connected with the corresponding insulating support.
Preferably, the inside of each insulating housing is provided with an arc extinguishing chamber, and the lower end of each insulating housing is provided with two movable ends.
Preferably, the upper end of each movable end is located in the corresponding arc-extinguishing chamber, and a double-break structure is further arranged in the arc-extinguishing chamber.
Preferably, the lower end of each insulating shell is provided with a fixed moving end insulating piece, and each fixed moving end insulating piece is fixedly connected with the corresponding moving end.
Preferably, two opposite ends of the copper bars of the access line are both positioned inside the insulating housing.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, through adding filtering after air blowing, impurities such as metal vapor and the like generated in the arc extinguishing process can be effectively removed, in the process, an arc extinguishing structure plays a key role, an arc extinguishing chamber in the arc extinguishing structure is a main area generated by the metal vapor, parts such as a copper bar, a movable end and the like of an in-out wire work cooperatively to finish arc extinguishing action, meanwhile, generation and diffusion of the metal vapor are also involved, filtering measures after air blowing can prevent the metal vapor from adhering to the surface of an insulating part, so that the insulating part always keeps good insulating performance, and a safe electric environment is built by insulating parts such as an insulating shell, a silicon rubber reinforced insulating support and the like and the filtering measures, so that operators are protected and equipment is ensured to safely and reliably operate under normal working voltage, the arc extinguishing structure is helpful for maintaining the stable electric environment in an environment-friendly gas cabinet, electric accidents such as flashover and breakdown and the like caused by the reduction of the insulating performance are avoided, and the stability of the whole electric power system is ensured.
In the invention, the frame structure provides integral support for each part, the stability of the load switch structure is ensured, the insulating support is taken as an integral frame, so that the insulating support is convenient to install on the air box, the installation process is simplified, the installation efficiency is improved, the accurate and stable installation of each part is ensured, the quick assembly and debugging of the integral equipment are facilitated, and the foundation is laid for the stable operation of the equipment.
According to the invention, the dynamic sealing assembly is used as a connecting part of the integrated switch and the operation structure, so that the operation mechanism can effectively operate the internal switch at the outside, the tightness of the cabinet body is ensured, the gas leakage is prevented, the internal environment of the gas-filled cabinet is ensured to be stable, and the normal operation of equipment is ensured.
According to the invention, the transmission shaft adopts the glass fiber rod, the rotation action function is realized, the insulation characteristic is realized, the occurrence of electrical faults is effectively avoided, the safety and stability of equipment operation are improved, the silicon rubber reinforced insulation is realized by increasing the climbing distance, the insulation effect is enhanced, the risk of electrical breakdown is further reduced, the integral insulation performance of the inflatable cabinet is improved, the inflatable cabinet is suitable for different working voltage environments, the insulation shell plays a role in protecting and insulating the internal structure, and a safe electrical environment is jointly constructed with other insulation components, so that the safety of operators is ensured, and the normal operation of the equipment is ensured.
According to the invention, the arc extinguishing structure adopts a grid arc extinguishing mode, the holes at the top of the wire inlet and outlet copper bars are used for air blowing arc extinguishing, so that the arc extinguishing efficiency is effectively improved, the arc can be extinguished rapidly, the damage of the arc to equipment is reduced, the safe and stable operation of the equipment is ensured, the arc extinguishing chamber is a key area for arc extinguishing, the efficient arc extinguishing function is realized by matching with the wire inlet and outlet copper bars, the movable end and the like, the arc surface at the top of the movable end is made of copper tungsten alloy CUW, the electric service life is prolonged, the service life of a load switch is prolonged, the maintenance cost and the replacement frequency of the equipment are reduced, the insulating function is also realized while the transmission function of the movable end is ensured by fixing the movable end insulating piece, and the electric safety in the arc extinguishing process is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the frame structure of the present invention;
FIG. 3 is a schematic view of the structure of the drive shaft of the present invention;
FIG. 4 is a schematic view of the structure of the copper bars of the inlet and outlet wires of the present invention;
FIG. 5 is a schematic view of the structure of the insulating housing of the present invention;
fig. 6 is a schematic structural view of an arc extinguishing chamber according to the present invention;
fig. 7 is a schematic view of the structure of the insulating support of the present invention.
In the figure, the corresponding relation between the part names and the figure numbers is 11, a frame structure, 12, an arc extinguishing structure, 13, a dynamic sealing assembly, 14, a transmission shaft, 15, an insulating support, 16, silicon rubber reinforced insulation, 17, an insulating shell, 18, an in-out wire copper bar, 19, an arc extinguishing chamber, 20, a dynamic end, 21, a fixed dynamic end insulating piece, 22 and a cross beam.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-7, the invention provides an environment-friendly load switch arc extinguishing structure, which comprises a frame structure 11 and an arc extinguishing structure 12, wherein the environment-friendly load switch arc extinguishing structure is also provided with a dynamic seal assembly 13, the arc extinguishing structure 12 is fixedly connected with the inner wall of the frame structure 11, the lower end of the frame structure 11 is fixedly connected with two cross beams 22, the two cross beams 22 are mutually parallel, one end of the frame structure 11 is fixedly connected with a dynamic seal assembly 13, a transmission shaft 14 is arranged in the frame structure 11, both ends of the transmission shaft 14 are fixedly connected with the inner wall of the frame structure 11, impurities such as metal vapor generated in the arc extinguishing process can be effectively removed through filtration after air blowing, in the process, an arc extinguishing structure 12 plays a key role, an arc extinguishing chamber 19 in the process is a main area generated by the metal vapor, an in-out line copper bar 18 and a movable end 20 and other parts are cooperatively used to finish arc extinguishing actions, meanwhile, the generation and diffusion of the metal vapor are also involved, the filtration measures after air blowing can prevent the metal vapor from adhering to the surfaces of insulating parts, so that the insulating parts always keep good insulating performance, an insulating shell 17, a silicon rubber, a reinforcing part 16 and a silicon rubber supporting seat 15 and a filter element can be stably arranged, and an electric safety system can be stably run under the condition, and an electric safety accident can be avoided, and an electric safety is ensured, and an electric safety is safe, and an operation is safe, and an environment can be safely protected, and an operation can be safely protected.
The inside of frame construction 11 is provided with a set of silicon rubber and strengthens insulating 16, every silicon rubber strengthens insulating 16 all with transmission shaft 14 fixed connection, the inside of frame construction 11 is provided with two insulating supports 15, the both ends of two insulating supports 15 all with the inner wall fixed connection of frame construction 11, two insulating supports 15 are parallel to each other, frame construction 11 provides whole support for each part, load switch structure's stability has been guaranteed, insulating supports 15 are convenient for install the gas tank as an organic whole frame, the installation process has been simplified, the installation effectiveness has been improved, ensure each part installation accuracy is stable simultaneously, help the fast assembly and the debugging of whole equipment, lay the foundation for equipment steady operation.
The arc extinguishing structure 12 comprises a group of insulating shells 17, each insulating shell 17 is located between two insulating supports 15, both ends of each insulating shell 17 are provided with wire inlet and outlet copper bars 18, the wire inlet and outlet copper bars 18 located on the same side are fixedly connected with the corresponding insulating supports 15, the dynamic seal assembly 13 serves as a connecting part of an integrated switch and an operation structure, the operation mechanism effectively operates the internal switch outside, the tightness of the cabinet body is guaranteed, gas leakage is prevented, the internal environment of the gas charging cabinet is guaranteed to be stable, and normal operation of equipment is guaranteed.
The inside of every insulating housing 17 all is provided with explosion chamber 19, and the lower extreme of every insulating housing 17 all is provided with two movable ends 20, and the upper end of every movable end 20 all is located the inside of corresponding explosion chamber 19, still be provided with double-break structure in the explosion chamber 19, adopt double-break structure design to effectively share the requirement to whole length and transmission angle, power way, thereby can realize further reducing the restriction of installation size and effectively promoting the whole life of product with the product size, transmission shaft 14 adopts the glass fiber stick, possess insulating properties when realizing rotatory action function, effectively avoided the emergence of electric fault, the security and the stability of equipment operation have been improved, silicone rubber strengthens insulation 16 through increasing the creepage distance, the insulating effect has been strengthened, further reduced the risk of electric breakdown, help improving the holistic insulating properties of pneumatic cupboard, adapt to different operating voltage environment, insulating housing 17 plays protection and insulation isolation effect to inner structure, build safe electrical environment jointly with other insulating parts, the protection personnel safety and ensure normal operation of equipment.
The lower extreme of every insulating housing 17 all is provided with fixed movable end insulating part 21, every fixed movable end insulating part 21 all with corresponding movable end 20 fixed connection, two business turn over line copper bar 18 relative one end all is located insulating housing 17's inside, arc extinguishing structure 12 adopts the grid extinction mode, and the hole at business turn over line copper bar 18 top is used for the gas blowing to extinguish the arc, effectively improve the extinction efficiency, can extinguish the arc fast, reduce the harm of electric arc to equipment, ensure equipment safe and stable operation, explosion chamber 19 is the key region of arc extinction, realize high-efficient arc extinguishing function with business turn over line copper bar 18, movable end 20 etc. cooperation, movable end 20 top arc surface adopts copper tungsten alloy CUW material, the life of load switch has been promoted, equipment maintenance cost and change frequency have been reduced, fixed movable end insulating part 21 has also played the insulating effect when guaranteeing movable end 20 transmission function, ensure the electrical safety of arc extinguishing in-process.
Working principle:
In the first step, impurities such as metal vapor generated in the arc extinguishing process can be effectively removed by adding filtering after air blowing, in the process, the arc extinguishing structure 12 plays a key role, the arc extinguishing chamber 19 in the arc extinguishing structure is a main area generated by the metal vapor, the copper bars 18 of the wire inlet and outlet work together with the moving end 20 and other parts to finish arc extinguishing action, meanwhile, the generation and diffusion of the metal vapor are also involved, filtering measures after air blowing can prevent the metal vapor from adhering to the surface of an insulating part, so that the insulating part always keeps good insulating performance, the insulating parts such as the insulating shell 17, the silicon rubber reinforced insulating part 16 and the insulating support 15 and the filtering measures together build a safe electric environment, the safety of operators is ensured, the safe and reliable operation of equipment is ensured under normal working voltage, the stable electric environment in the environment-friendly gas cabinet is maintained, electric accidents such as flashover and breakdown caused by the reduction of the insulating performance are avoided, and the stability of the whole power system is ensured.
The second step, the frame construction 11 provides the whole support for each part, has guaranteed the stability of load switch structure, and insulating support 15 is convenient for install on the gas tank as integrative frame, has simplified the installation, has improved installation effectiveness, ensures simultaneously that each part installation is accurate stable, helps the fast assembly and the debugging of whole equipment, establishes the basis for equipment steady operation.
And thirdly, the dynamic seal assembly 13 is used as a connecting part of the integrated switch and the operation structure, so that the operation mechanism can effectively operate the internal switch outside, the tightness of the cabinet body is ensured, the gas leakage is prevented, the internal environment stability of the gas-filled cabinet is ensured, and the normal operation of equipment is ensured.
Fourth, transmission shaft 14 adopts the glass fiber stick, possess insulating properties when realizing rotatory action function, effectively avoided the emergence of electric fault, improved the security and the stability of equipment operation, the insulation 16 is strengthened through increasing the creepage distance to silicone rubber, the insulating effect has been strengthened, further reduced the risk of electric breakdown, help improving the holistic insulating properties of cabinet that aerifing, adapt to different operating voltage environment, insulating housing 17 plays protection and insulating isolation effect to inner structure, construct safe electrical environment jointly with other insulating parts, the protection operating personnel is safe and ensure equipment normal operating.
Fifth, arc extinguishing structure 12 adopts the grid arc extinguishing mode, and the hole at business turn over line copper bar 18 top is used for the gas blowing to extinguish the arc, effectively improved the extinction efficiency, can extinguish the electric arc fast, reduce the harm of electric arc to equipment, ensure the safe and stable operation of equipment, explosion chamber 19 is the key region of arc extinction, cooperate with business turn over line copper bar 18, movable end 20 etc. and realize high-efficient arc extinguishing function, movable end 20 top arc surface adopts copper tungsten alloy CUW material, promote electric life, load switch's life has been prolonged, equipment maintenance cost and change frequency have been reduced, fixed movable end insulator 21 has also played insulating effect when guaranteeing movable end 20 transmission function, ensure the electrical safety in the arc extinguishing process.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. An environment-friendly load switch arc extinguishing structure comprises a frame structure (11) and an arc extinguishing structure (12), and is characterized in that the environment-friendly load switch arc extinguishing structure is also provided with a dynamic seal assembly (13);
The arc extinguishing structure (12) is fixedly connected with the inner wall of the frame structure (11), two cross beams (22) are fixedly connected with the lower end of the frame structure (11), the two cross beams (22) are parallel to each other, and one end of the frame structure (11) is fixedly connected with a dynamic sealing assembly (13).
2. An environment-friendly load switch arc extinguishing structure according to claim 1, characterized in that the frame structure (11) is internally provided with a transmission shaft (14);
both ends of the transmission shaft (14) are fixedly connected with the inner wall of the frame structure (11).
3. An environment-friendly load switch arc extinguishing structure according to claim 2, characterized in that the frame structure (11) is internally provided with a set of silicone rubber reinforced insulation (16);
wherein each silicon rubber reinforced insulator (16) is fixedly connected with the transmission shaft (14).
4. An environment-friendly load switch arc extinguishing structure according to claim 3, characterized in that the frame structure (11) is internally provided with two insulating supports (15);
Two ends of the two insulating supports (15) are fixedly connected with the inner wall of the frame structure (11), and the two insulating supports (15) are parallel to each other.
5. An environmentally friendly load switch arc chute as in claim 4 wherein said arc chute (12) comprises a set of insulating housings (17);
wherein each insulating housing (17) is located between two insulating holders (15).
6. An arc extinguishing structure of an environment-friendly load switch according to claim 5, characterized in that both ends of each insulating housing (17) are provided with copper bars (18) of incoming and outgoing lines;
the copper bars (18) of the incoming and outgoing lines positioned on the same side are fixedly connected with the corresponding insulating supports (15).
7. An environment-friendly load switch arc extinguishing structure according to claim 6, characterized in that an arc extinguishing chamber (19) is provided inside each of the insulating housings (17);
Wherein the lower end of each insulating shell (17) is provided with two movable ends (20).
8. An arc extinguishing structure of an environment-friendly load switch according to claim 7, characterized in that the upper end of each movable end (20) is located inside the corresponding arc extinguishing chamber (19), and a double-break structure is further arranged in the arc extinguishing chamber (19).
9. An environment-friendly load switch arc extinguishing structure according to claim 8, characterized in that the lower end of each insulating housing (17) is provided with a fixed moving end insulating member (21);
Wherein, each fixed movable end insulator (21) is fixedly connected with the corresponding movable end (20).
10. An arc extinguishing structure of an environment-friendly load switch as claimed in claim 9, characterized in that the opposite ends of the two copper bars (18) of the incoming and outgoing lines are both located inside the insulating housing (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411965406.3A CN119381201A (en) | 2024-12-30 | 2024-12-30 | An environmentally friendly load switch arc extinguishing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411965406.3A CN119381201A (en) | 2024-12-30 | 2024-12-30 | An environmentally friendly load switch arc extinguishing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119381201A true CN119381201A (en) | 2025-01-28 |
Family
ID=94332994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411965406.3A Pending CN119381201A (en) | 2024-12-30 | 2024-12-30 | An environmentally friendly load switch arc extinguishing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119381201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120977799A (en) * | 2025-10-21 | 2025-11-18 | 浙江法拉迪电气股份有限公司 | Switching arc extinguishing unit |
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| US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
| US4309581A (en) * | 1978-11-14 | 1982-01-05 | Merlin Gerin | Gas circuit breaker having independent main and arcing circuits |
| EP1113474A1 (en) * | 1999-12-30 | 2001-07-04 | ABB Research Ltd. | Arc chamber for medium and/or high voltage circuit breakers |
| CN105405707A (en) * | 2015-12-03 | 2016-03-16 | 上海天灵开关厂有限公司 | Gas-insulated load switch and arc extinguishing device thereof |
| CN207319990U (en) * | 2017-10-29 | 2018-05-04 | 默飓电气有限公司 | A kind of high voltage load switch |
| CN210296213U (en) * | 2019-09-05 | 2020-04-10 | 山东泰开电力开关有限公司 | Novel arc extinguishing grid plate type load switch suitable for C4F7N environment-friendly gas |
| CN115085078A (en) * | 2021-03-11 | 2022-09-20 | Abb瑞士股份有限公司 | Switch fuse module |
-
2024
- 2024-12-30 CN CN202411965406.3A patent/CN119381201A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
| US4309581A (en) * | 1978-11-14 | 1982-01-05 | Merlin Gerin | Gas circuit breaker having independent main and arcing circuits |
| EP1113474A1 (en) * | 1999-12-30 | 2001-07-04 | ABB Research Ltd. | Arc chamber for medium and/or high voltage circuit breakers |
| CN105405707A (en) * | 2015-12-03 | 2016-03-16 | 上海天灵开关厂有限公司 | Gas-insulated load switch and arc extinguishing device thereof |
| CN207319990U (en) * | 2017-10-29 | 2018-05-04 | 默飓电气有限公司 | A kind of high voltage load switch |
| CN210296213U (en) * | 2019-09-05 | 2020-04-10 | 山东泰开电力开关有限公司 | Novel arc extinguishing grid plate type load switch suitable for C4F7N environment-friendly gas |
| CN115085078A (en) * | 2021-03-11 | 2022-09-20 | Abb瑞士股份有限公司 | Switch fuse module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120977799A (en) * | 2025-10-21 | 2025-11-18 | 浙江法拉迪电气股份有限公司 | Switching arc extinguishing unit |
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