CN111009430B - Quick safety switch - Google Patents
Quick safety switch Download PDFInfo
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- CN111009430B CN111009430B CN202010043936.8A CN202010043936A CN111009430B CN 111009430 B CN111009430 B CN 111009430B CN 202010043936 A CN202010043936 A CN 202010043936A CN 111009430 B CN111009430 B CN 111009430B
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- rotating
- sliding
- fixedly arranged
- joint
- compression spring
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- 238000007906 compression Methods 0.000 claims description 50
- 230000006835 compression Effects 0.000 claims description 47
- 238000003466 welding Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
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- Transmission Devices (AREA)
Abstract
The invention provides a quick safety switch which comprises a base device, a disconnecting device, a rotating device and a screwing device. The disconnecting device is fixedly arranged on the base device, the rotating device is rotatably arranged on the disconnecting device, and the rotating support device is fixedly arranged on the base device; the wire interface I and the wire interface II are connected with the electric wire, the rotatable screwing device is controlled by the electric cylinder of the base device in a telescopic mode to enable the wire interface II to rotate clockwise, the rotating joint and the sliding contact block are separated, meanwhile, the rotating device rotates to control the sliding contact block of the disconnecting device to slide leftwards, the purpose of double disconnection is achieved, and the safety coefficient is improved.
Description
Technical Field
The invention relates to the technical field of electric power safety switches, in particular to a quick safety switch.
Background
In the power transmission process, a safety switch is usually provided, which can cut off or close the no-load current and the coincidence current in the circuit, and the overload current and the short-circuit current are cut off by the action of a relay protection device when the system has a fault, so that the safety factor of the power transmission is greatly improved, and in order to improve the safety factor of the switch, a quick safety switch is needed.
Disclosure of Invention
In order to solve the problems, the invention provides a quick safety switch, wherein a first wire interface and a second wire interface are connected with electric wires, the rotatable screwing device is controlled by the electric cylinder of a base device in a telescopic mode to enable the second wire interface to rotate clockwise, so that a rotating joint is separated from a sliding contact block, and meanwhile, the rotating device rotates to control the sliding contact block of a disconnecting device to slide leftwards, so that the purpose of double disconnection is achieved, and the safety coefficient is improved.
The technical scheme adopted by the invention is as follows: a quick safety switch comprises a disconnecting device, a connecting device and a switching device, wherein the disconnecting device is arranged on a base device and is used for controlling a sliding contact block to slide left and right so as to achieve the purpose of opening or closing; the rotating device is arranged on the disconnecting device and used for controlling the driven rotating rod to rotate so as to enable the disconnecting device to act; the rotary connection device is arranged on the base device and used for controlling the rotary joint to rotate so as to achieve the purpose of opening or closing; the base device provides a base for other devices;
the base device comprises a bottom plate, a rack guide rail, a rack joint and an electric cylinder, wherein the rack guide rail is arranged on the bottom plate in a welding mode, and the electric cylinder is fixedly arranged on the bottom plate; the rack is fixedly arranged at the top of the electric cylinder through a rack joint, and the rack is arranged on the rack guide rail in a sliding mode.
The disconnecting device comprises a track bottom plate, a rolling bearing, an arc-shaped track, a transfer plate, an outer telescopic block, an inner telescopic block, a sliding contact block, a sliding guide rail and a first wire interface, wherein the transfer plate and the arc-shaped track are installed in a sliding mode, the outer telescopic block and the transfer plate are installed in a rotating mode, the inner telescopic block and the outer telescopic block are installed in a sliding mode, and the sliding contact block is installed with the inner telescopic block and the sliding guide rail in a sliding mode; the sliding guide rail is installed on the rail base plate in a welding mode, and the first wire interface is installed on the sliding contact block in a fixed mode.
The rotary device comprises a concave rotary disc, a driven rotary rod, a gear connecting sleeve, a left gear, a sliding frame, a short extension spring, a sliding block, an extension spring lower joint, a long extension spring, an extension spring upper joint, a compression spring and a compression spring lower joint, wherein the gear connecting sleeve is fixedly arranged on the concave rotary disc, and the left gear is fixedly arranged on the gear connecting sleeve; the left gear is meshed with the rack; the driven rotary rod is fixedly arranged on the concave rotary disk, and the sliding frame is arranged on the track bottom plate in a welding manner; the sliding block is installed in a sliding mode through a sliding frame, the short extension spring is installed on the sliding frame and the sliding block in a fixed mode, and the long extension spring is installed on the lower joint of the extension spring and the upper joint of the extension spring in a fixed mode.
The rotary connection device comprises an inner rotary disc, a connecting frame, an outer rotary disc, a compression spring upper rotating block, a long compression spring, a compression spring lower rotating block, a rotary joint, a wire connector II, a right gear, an internal gear, a planetary pinion and a planetary internal gear, wherein the outer rotary disc is fixedly arranged on the bottom plate, and the connecting frame is fixedly arranged on the outer rotary disc; the inner rotating disc is rotatably arranged on the outer rotating disc, the inner rotating disc is rotatably arranged on the bottom plate, the rotating joint is fixedly arranged on the inner rotating disc, and the wire interface II is fixedly arranged on the rotating joint; the long compression spring is fixedly arranged on the compression spring upper rotating block and the compression spring lower rotating block; the right gear is fixedly arranged at the bottom of the inner rotating disc and is meshed with the rack; the internal gear is fixedly arranged in the outer rotating disc, the planet pinion is rotatably arranged at the lower part of the inner rotating disc, the planet internal gear is fixedly arranged below the inner rotating disc, the planet internal gear is meshed with the planet pinion, and the planet pinion is meshed with the internal gear.
Furthermore, the track bottom plate is fixedly arranged on the bottom plate, and the arc-shaped track is arranged on the track bottom plate in a welding mode.
Further, the compression spring is fixedly arranged on the lower joint of the compression spring and the upper joint of the compression spring.
The invention has the beneficial effects that: (1) the invention can realize full-automatic switching, and only one electric cylinder is adopted to control the switching of the switch; (2) the invention can control the disconnecting device to slide the sliding contact block to the left and the right through the rotating device to control whether the disconnecting device is contacted with the screwing device or not; (3) the invention can control whether the rotary joint is contacted with the disconnecting device or not through the self rotation of the rotary connecting device; (4) the disconnecting device and the screwing device can be opened and closed respectively, and can act simultaneously when meeting the condition of needing emergency disconnection, so that the safety is ensured dually; (5) the disconnecting device and the screwing device are closed by contacting the sliding contact block with the rotating joint, and the contact part is arc-shaped, so that the contact area is increased, and the closing is firmer; (6) when the switch is disconnected, if the switch needs to be closed again, the electric cylinder is only required to be unlocked, the sliding contact block automatically returns to the closed position by the left and right sides of the long extension spring, the short extension spring and the compression spring of the rotating device, and the rotating joint returns to the closed position by the long compression spring of the screwing device, so that the switch is closed; (7) the planetary wheel system is arranged in the screwing device, so that the rotation is more stable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the base device of the present invention.
Fig. 3 is a schematic structural view of the disconnecting device of the present invention.
Fig. 4 and 5 are schematic structural views of the rotating device of the present invention.
Fig. 6-8 are schematic structural views of the screwing device of the present invention.
Reference numerals: 1-a base unit; 2-a disconnecting device; 3-a rotating device; 4-a spin-on device; 101-a base plate; 102-rack guide; 103-a rack; 104-rack joint; 105-an electric cylinder; 201-track floor; 202-rolling bearings; 203-arc track; 204-a transfer plate; 205-an outer extension block; 206-inner telescoping piece; 207-sliding contact block; 208-a sliding guide; 209-line interface one; 301-concave rotating disk; 302-passive swing arm; 303-a connecting shaft; 304-gear connection sleeve; 305-left gear; 306-a carriage; 307-short extension spring; 308-a slider; 309-extension spring lower joint; 310-long extension spring; 311-extension spring upper joint; 312-compression spring upper joint; 313-a compression spring; 314-compression spring lower joint; 401-inner rotating disc; 402-a connecting frame; 403-outward rotating disc; 404-compressing the spring upper rotating block; 405-a long compression spring; 406-compression spring down-rotation block; 407-a rotating joint; 408-line interface two; 409-right gear; 410-internal gear; 411-planet pinion; 412-planetary annulus gear.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): as shown in fig. 1 to 8, the present embodiment provides a fast safety switch, including: the disconnecting device 2 is arranged on the base device 1 and used for controlling the sliding contact block to slide left and right 207 so as to achieve the purpose of opening or closing; the rotating device 3 is arranged on the disconnecting device 2 and is used for controlling the driven rotating rod 302 to rotate so as to enable the disconnecting device 2 to act; the rotary connection device 4 is arranged on the base device 1 and is used for controlling the rotary joint 407 to rotate so as to achieve the purpose of opening or closing; the base unit 1 provides a base for other devices.
In an alternative to this embodiment, as shown in fig. 1-2, the base unit 1 comprises: the device comprises a base plate 101, a rack guide rail 102, a rack 103, a rack joint 104 and an electric cylinder 105, wherein the rack guide rail 102 is installed on the base plate 101 in a welding mode, the electric cylinder 105 is installed on the base plate 101 in a fixed mode, the rack 103 is installed on the top of the electric cylinder 105 in a fixed mode through the rack joint 104, and the rack 103 is installed on the rack guide rail 102 in a sliding mode; the electric cylinder 105 extends to control the left gear 305 and the right gear 409 to rotate, so that the rotating device 3 and the screwing device 4 start to act.
In an alternative of this embodiment, as shown in fig. 3, the disconnecting device 2 includes: the track comprises a track base plate 201, a rolling bearing 202, an arc-shaped track 203, a transfer plate 204, an outer telescopic block 205, an inner telescopic block 206, a sliding contact block 207, a sliding guide rail 208 and a first wire interface 209, wherein the track base plate 201 is fixedly installed on the base plate 101, the outer part of the rolling bearing 202 is fixedly installed on the track base plate 201, the arc-shaped track 203 is installed on the track base plate 201 in a welding mode, the transfer plate 204 is installed with the arc-shaped track 203 in a sliding mode through a connecting shaft 303, the outer telescopic block 205 is installed with the transfer plate 204 in a rotating mode, the inner telescopic block 206 is installed with the outer telescopic block 205 in a sliding mode, the sliding contact block 207 is installed with the inner telescopic block 206 and the sliding guide rail 208 in a sliding mode, the sliding guide rail 208 is installed on the track base plate 201 in a welding mode, and the first wire interface 209 is installed on the sliding contact block 207 in a fixed mode; under the action of the rotating device 3, the transmission plate 204 rotates clockwise to control the outer telescopic block 205 to rotate, and when the rotating device 3 rotates to a certain angle, the outer telescopic block 205 drives the inner telescopic block 206 to extend and retract, so as to drive the sliding contact block 207 to slide along the sliding guide rail 208.
In an alternative of this embodiment, as shown in fig. 4 to 5, the rotating device 3 includes: a concave rotating disk 301, a driven rotating rod 302, a connecting shaft 303, a gear connecting sleeve 304, a left gear 305, a sliding frame 306, a short extension spring 307, a sliding block 308, an extension spring lower joint 309, a long extension spring 310, an extension spring upper joint 311, a compression spring upper joint 312, a compression spring 313 and a compression spring lower joint 314, wherein the gear connecting sleeve 304 is fixedly arranged on the concave rotating disk 301, the left gear 305 is fixedly arranged on the gear connecting sleeve 304, the gear connecting sleeve 304 is fixedly arranged inside a rolling bearing 202, the left gear 305 is meshed with a rack 103, the driven rotating rod 302 is fixedly arranged on the concave rotating disk 301, the connecting shaft 303 is fixedly arranged on the driven rotating rod 302, the sliding frame 306 is fixedly arranged on the track bottom plate 201, the sliding block 308 is slidably arranged on the sliding frame 306, one end of the short extension spring 307 is fixedly arranged on the sliding frame 306, the other end is fixedly arranged on the sliding block 308, the lower extension spring joint 309 is rotatably arranged on the sliding block 308, the upper extension spring joint 311 is rotatably arranged below the concave rotary disc 301, one end of the long extension spring 310 is fixedly arranged on the lower extension spring joint 309, the other end is fixedly arranged on the upper extension spring joint 311, the lower compression spring joint 309 is rotatably arranged below the concave rotary disc 301, the upper compression spring joint 311 is rotatably arranged on the sliding block 308, one end of the compression spring 313 is fixedly arranged on the lower compression spring joint 309, and the other end is fixedly arranged on the upper compression spring joint 312; the left gear 305 rotates to drive the concave rotary disc 301 to rotate clockwise, the driven rotary rod 302 is controlled to drive the disconnecting device 2 to start to act, when the connecting device needs to be closed, the long extension spring 310 contracts, the compression spring 313 rebounds, and the short extension spring 307 contracts to control the concave rotary disc 301 to rotate back to the initial position.
In an alternative of this embodiment, as shown in fig. 6 to 8, the screw coupling device 4 includes: an inner rotating disk 401, a connecting frame 402, an outer rotating disk 403, a compression spring upper rotating block 404, a long compression spring 405, a compression spring lower rotating block 406, a rotating joint 407, a wire interface two 408, a right gear 409, an inner gear 410, a planetary pinion 411 and a planetary internal gear 412, wherein the outer rotating disk 403 is fixedly arranged on the base plate 101, the connecting frame 402 is fixedly arranged on the outer rotating disk 403, the inner rotating disk 401 is rotatably arranged on the base plate 101 through a rolling bearing, the rotating joint 407 is fixedly arranged on the inner rotating disk 401, the wire interface two 408 is fixedly arranged on the rotating joint 407, the compression spring upper rotating block 404 is rotatably arranged on the connecting frame 402, the compression spring lower rotating block 406 is rotatably arranged on the rotating joint 407, one end of the long compression spring 405 is fixedly arranged on the compression spring upper rotating block 404, the other end is fixedly arranged on a compression spring lower rotating block 406, a right gear 409 is fixedly arranged at the bottom of an inner rotating disc 401, the right gear 409 is meshed with a rack 103, an inner gear 410 is fixedly arranged inside an outer rotating disc 403, a planet pinion 411 is rotatably arranged at the lower part of the inner rotating disc 401, a planet inner gear 412 is fixedly arranged below the inner rotating disc 401, the planet inner gear 412 is meshed with the planet pinion 411, and the planet pinion 411 is meshed with the inner gear 410; the right gear 409 rotates to control the inner rotary disc 401 to rotate, thereby controlling the rotary joint 407 to rotate clockwise, and when it needs to be closed, the long compression spring 405 rebounds to return the rotary joint 407 to the initial position.
The working principle of the invention is as follows: the first wire interface 209 and the second wire interface 408 are connected with electric wires, when the switch is turned off, the electric cylinder 105 extends to control the left gear 305 and the right gear 409 to rotate, the left gear 305 rotates to drive the concave rotary disc 301 to rotate clockwise, the driven rotary rod 302 is controlled to rotate clockwise, so that the transmission plate 204 rotates clockwise, the outer telescopic block 205 is controlled to rotate, when the rotating device 3 rotates to a certain angle, the outer telescopic block 205 drives the inner telescopic block 206 to stretch and retract, so that the sliding contact block 207 is driven to slide leftwards along the sliding guide rail 208 to be separated from the rotating device 4, meanwhile, the right gear 409 rotates, so that the inner rotary disc 401 is controlled to rotate, so that the rotating joint 407 is controlled to rotate clockwise, the rotating joint 407 is separated from the disconnecting device 2, and the switch is disconnected; when the switch is closed, the electric cylinder 105 is in contact with self-locking, the long compression spring 405 rebounds, the rotating joint 407 returns to the initial position, the long extension spring 310 contracts, the compression spring 313 rebounds, the short extension spring 307 contracts to control the concave rotary disc 301 to rotate back to the initial position, at the moment, the transmission plate 204 rotates anticlockwise, the outer telescopic block 205 is controlled to rotate, when the rotating device 3 rotates to a certain angle, the outer telescopic block 205 drives the inner telescopic block 206 to contract, the sliding contact block 207 is driven to slide rightwards along the sliding guide rail 208, the sliding contact block 207 is enabled to be in contact with the rotating joint 407, and the switch is closed.
Claims (3)
1. A fast safety switch characterized by: the device comprises a disconnecting device (2) which is arranged on a base device (1) and is used for controlling a sliding contact block to slide left and right (207) so as to achieve the purpose of opening or closing; the rotating device (3) is arranged on the disconnecting device (2) and is used for controlling the driven rotating rod (302) to rotate so as to enable the disconnecting device (2) to act; the rotary connection device (4) is arranged on the base device (1) and is used for controlling the rotary joint (407) to rotate so as to achieve the purpose of opening or closing; the base device (1) is a mounting base;
the base device (1) comprises a bottom plate (101), a rack guide rail (102), a rack (103), a rack joint (104) and an electric cylinder (105), wherein the rack guide rail (102) is installed on the bottom plate (101) in a welding mode, and the electric cylinder (105) is installed on the bottom plate (101) in a fixed mode; the rack (103) is fixedly arranged at the top of the electric cylinder (105) through a rack joint (104), and the rack (103) is arranged on the rack guide rail (102) in a sliding manner;
the disconnecting device (2) comprises a rail base plate (201), a rolling bearing (202), an arc-shaped rail (203), a transmission plate (204), an outer telescopic block (205), an inner telescopic block (206), a sliding contact block (207), a sliding guide rail (208) and a wire interface I (209), wherein the transmission plate (204) and the arc-shaped rail (203) are installed in a sliding mode, the outer telescopic block (205) and the transmission plate (204) are installed in a rotating mode, the inner telescopic block (206) and the outer telescopic block (205) are installed in a sliding mode, and the sliding contact block (207) is installed with the inner telescopic block (206) and the sliding guide rail (208) in a sliding mode; the sliding guide rail (208) is installed on the rail base plate (201) in a welding mode, and the wire interface I (209) is installed on the sliding contact block (207) in a fixed mode;
the rotating device (3) comprises a concave rotating disc (301), a driven rotating rod (302), a gear connecting sleeve (304), a left gear (305), a sliding frame (306), a short extension spring (307), a sliding block (308), an extension spring lower joint (309), a long extension spring (310), an extension spring upper joint (311), a compression spring upper joint (312), a compression spring (313) and a compression spring lower joint (314), wherein the gear connecting sleeve (304) is fixedly arranged on the concave rotating disc (301), and the left gear (305) is fixedly arranged on the gear connecting sleeve (304); the left gear (305) is meshed with the rack (103); the passive rotating rod (302) is fixedly arranged on the concave rotating disc (301), and the sliding frame (306) is arranged on the track bottom plate (201) in a welding manner; the sliding block (308) is installed in a sliding mode through a sliding frame (306), the short extension spring (307) is installed on the sliding frame (306) and the sliding block (308) in a fixed mode, and the long extension spring (310) is installed on an extension spring lower joint (309) and an extension spring upper joint (311) in a fixed mode;
the rotary connection device (4) comprises an inner rotary disc (401), a connecting frame (402), an outer rotary disc (403), a compression spring upper rotating block (404), a long compression spring (405), a compression spring lower rotating block (406), a rotating joint (407), a wire interface II (408), a right gear (409), an internal gear (410), a planet pinion (411) and a planet internal gear (412), wherein the outer rotary disc (403) is fixedly arranged on the bottom plate (101), and the connecting frame (402) is fixedly arranged on the outer rotary disc (403); the inner rotating disc (401) is rotatably arranged on the outer rotating disc (403), the inner rotating disc (401) is rotatably arranged on the bottom plate (101), the rotating joint (407) is fixedly arranged on the inner rotating disc (401), and the wire interface II (408) is fixedly arranged on the rotating joint (407); the long compression spring (405) is fixedly arranged on the compression spring upper rotating block (404) and the compression spring lower rotating block (406); the right gear (409) is fixedly arranged at the bottom of the inner rotating disc (401), and the right gear (409) is meshed with the rack (103); the internal gear (410) is fixedly arranged inside the outer rotating disc (403), the planet pinion (411) is rotatably arranged at the lower part of the inner rotating disc (401), the planet internal gear (412) is fixedly arranged below the inner rotating disc (401), the planet internal gear (412) is meshed with the planet pinion (411), and the planet pinion (411) is meshed with the internal gear (410).
2. A fast safety switch according to claim 1, characterized in that: the rail base plate (201) is fixedly arranged on the base plate 101, and the arc-shaped rail (203) is arranged on the rail base plate (201) in a welding mode.
3. A fast safety switch according to claim 1, characterized in that: the compression spring (313) is fixedly mounted on the compression spring lower joint 309 and the compression spring upper joint (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043936.8A CN111009430B (en) | 2020-01-15 | 2020-01-15 | Quick safety switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043936.8A CN111009430B (en) | 2020-01-15 | 2020-01-15 | Quick safety switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111009430A CN111009430A (en) | 2020-04-14 |
| CN111009430B true CN111009430B (en) | 2021-12-17 |
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ID=70120652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010043936.8A Active CN111009430B (en) | 2020-01-15 | 2020-01-15 | Quick safety switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111009430B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768991A (en) * | 2020-06-19 | 2020-10-13 | 申超 | Multi-station ratchet switch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB253617A (en) * | 1925-03-20 | 1926-06-21 | Reyrolle A & Co Ltd | Improvements in or relating to the operating gear of electric switches |
| FR1391851A (en) * | 1964-01-20 | 1965-03-12 | Electric rotary switch with marked positions | |
| CN2906864Y (en) * | 2005-02-16 | 2007-05-30 | 陈宏伟 | Electric motor actuating mechanism |
| CN203562332U (en) * | 2013-11-13 | 2014-04-23 | 江山市电器技术开发有限公司 | Electric operation mechanism of grounding switch |
| CN106024482B (en) * | 2016-08-05 | 2018-06-26 | 商洛学院 | A kind of electronic knife switch |
| CN107393734B (en) * | 2017-09-08 | 2019-03-08 | 浙江科源电器有限公司 | A kind of quick on-off switch |
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2020
- 2020-01-15 CN CN202010043936.8A patent/CN111009430B/en active Active
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| CN111009430A (en) | 2020-04-14 |
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Effective date of registration: 20211116 Address after: 213000 No. 27, juqian street, Changzhou City, Jiangsu Province Applicant after: State Grid Jiangsu Electric Power Co., Ltd. Changzhou power supply branch Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 030024 No. 79, Yingze West Street, Taiyuan City, Shanxi Province Applicant before: Dong Hao |
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