CN116844922A - Safety protection type remote circuit breaker - Google Patents
Safety protection type remote circuit breaker Download PDFInfo
- Publication number
- CN116844922A CN116844922A CN202310756947.4A CN202310756947A CN116844922A CN 116844922 A CN116844922 A CN 116844922A CN 202310756947 A CN202310756947 A CN 202310756947A CN 116844922 A CN116844922 A CN 116844922A
- Authority
- CN
- China
- Prior art keywords
- box body
- pipe
- sliding
- latch
- circuit breaker
- 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
Links
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 43
- 239000007789 gas Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a safety protection type remote circuit breaker which comprises a box body, an air supplementing pipe and a closing push rod, wherein the air supplementing pipe is arranged above the box body, the closing push rod is connected to the lower end of the box body in a sliding mode, the inner end of the closing push rod is positioned in the box body, and the inner cavity of the box body above a sliding cylinder is filled with high-pressure gas for standby, so that the circuit breaker can be rapidly disconnected when being opened. The electric brake is not required to be opened manually by electricians, and the electric brake is quick and safe. And the sliding cylinder automatically decelerates after sliding downwards for a certain distance, so that the kinetic energy of the sliding cylinder is released, and collision is avoided. The space where the knife switch and the connector are located is filled with compressed nitrogen, so that the arc extinguishing and insulating effects can be achieved. And the air outlet pipe and the air inlet pipe component avoid the occurrence of the error closing situation.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to a safety protection type remote circuit breaker.
Background
The circuit breaker on the transmission line can be promptly disconnected when the cable goes wrong, avoids causing bigger harm, therefore the earlier disconnection switch is better when the problem goes wrong.
However, most circuit breakers require manual forward operations, and it is therefore difficult to open the circuit breaker at the first time.
The switch of the high-voltage cable generally needs great force to open and close, and when a power transmission line is in a problem, the cable switch is easy to have potential safety hazards, so that the electrician needs to take special care in operation, and strict safety regulations are required to be followed in operation, but the operation time is long.
Disclosure of Invention
The invention aims to provide a safety protection type remote circuit breaker, which can be rapidly disconnected when a brake is opened by filling high-pressure gas into the inner cavity of a box body above a slide cylinder for standby. The electric brake is not required to be opened manually by electricians, and the electric brake is quick and safe. And the sliding cylinder automatically decelerates after sliding downwards for a certain distance, so that the kinetic energy of the sliding cylinder is released, and collision is avoided. The space where the knife switch and the connector are located is filled with compressed nitrogen, so that the arc extinguishing and insulating effects can be achieved. And the air outlet pipe and the air inlet pipe component avoid the occurrence of the error closing situation.
The safety protection type remote circuit breaker comprises a box body, an air supplementing pipe and a closing push rod, wherein the air supplementing pipe is arranged above the box body, the closing push rod is connected to the lower end of the box body in a sliding manner, and the inner end of the closing push rod is positioned in the box body;
the box body is internally provided with a sliding cylinder, a knife switch and a sliding partition plate, the sliding cylinder is in sliding connection in the box body, the knife switch is fixedly connected with the sliding cylinder through a connecting rod, the sliding partition plate is in sliding connection in the box body and is fixedly connected with the knife switch through the connecting rod, a top plate is arranged below the sliding partition plate, and the top plate is fixedly connected to the inner end of a closing push rod;
the side wall of the box body is also provided with a brake-opening locking assembly and an exhaust pipe, the brake-opening locking assembly is connected with the sliding cylinder in a matched manner, the exhaust pipe is communicated with the box body cavity above the sliding cylinder, the lower end of the box body is also provided with an air outlet pipe and an air inlet pipe, and the air outlet pipe and the air inlet pipe are communicated with the box body cavity below the sliding partition plate.
Preferably, the two sides of the box body are respectively fixedly connected with a connector, the inner ends of the connectors are positioned in the box body, and the outer ends of the connectors are connected with the cable.
Preferably, the inner end of the air supplementing pipe is communicated with the inner cavity of the box body above the sliding cylinder, the other end of the air supplementing pipe is connected to the air pump, the outer end of the closing push rod is movably connected with the handle, the lower end of the handle is rotationally connected with the fixing seat, and the fixing seat is fixedly connected with the lower end of the box body.
Preferably, the outer end fixedly connected with gas-supply pipe of switch-off locking subassembly, gas-supply pipe and the pneumatic chamber intercommunication in the switch-off locking subassembly, sliding connection has the piston latch in the pneumatic chamber, and still is equipped with the latch spring in the pneumatic chamber in the piston latch outside, the both ends of latch spring are connected respectively on switch-off locking subassembly and piston latch, be equipped with on the box body with piston latch matched with latch hole, be equipped with on the slide cylinder with piston latch matched with latch groove, still be equipped with the through-hole on the slide cylinder, through-hole intercommunication latch groove and the inner chamber of box body.
Preferably, the exhaust pipe is slidably connected with an exhaust pipe partition board, a partition board spring is connected between the upper end of the exhaust pipe partition board and the exhaust pipe, the lower end of the exhaust pipe partition board is fixedly connected with a slide bar, the lower end of the slide bar penetrates through the exhaust pipe and the brake opening locking assembly to be located in the air pressure chamber behind the piston clamping bolt, and a through hole is formed in the exhaust pipe partition board.
Preferably, an insulating pad is arranged at the upper end of the top plate.
Preferably, the air outlet pipe and the air inlet pipe are respectively provided with a one-way valve and a stop valve, and the outer ends of the air outlet pipe and the air inlet pipe are communicated with the atmosphere.
Preferably, the inner cavity of the box body between the sliding cylinder and the sliding partition plate is filled with compressed nitrogen.
The invention has the advantages that: 1. the inner cavity of the box body above the sliding cylinder is filled with high-pressure gas for standby, and when an accident occurs, the sliding cylinder can rapidly slide down under the air pressure only by releasing the sliding cylinder, so that the knife switch is driven to rapidly disconnect from the connector. The electric brake is not required to be opened manually by electricians, and the electric brake is quick and safe.
2. After the sliding cylinder slides downwards for a certain distance, the air supplementing pipe can be automatically opened under the action of a special mechanism to release high-pressure air in the inner cavity of the box body above the sliding cylinder, so that the sliding cylinder automatically decelerates under the action of friction force, the kinetic energy of the sliding cylinder is released, and the collision force is reduced or collision is avoided.
3. The space where the knife switch and the connector are located is filled with compressed nitrogen, so that the arc extinguishing and insulating effects can be achieved, and electric leakage is prevented.
4. The box body cavity below the sliding partition plate is connected with the air outlet pipe and the air inlet pipe, when the switch is opened, the sliding partition plate is not blocked when moving downwards, but a stop valve on the air outlet pipe is required to be opened when the switch is closed, otherwise, negative pressure in the box body cavity below the sliding partition plate can prevent the sliding partition plate from moving upwards, and error switch-on is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the device of the present invention during closing;
FIG. 3 is a schematic diagram of the device of the present invention in the open state;
FIG. 4 is a schematic diagram of the apparatus of the present invention after opening the brake;
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is an enlarged view of portion B of FIG. 3;
FIG. 7 is an enlarged view of portion C of FIG. 4;
FIG. 8 is a schematic view of the structure of the connector portion of the device of the present invention;
the device comprises a cable, 02, a connector, 11, a box body, 12, an air supplementing pipe, 13, a closing push rod, 14, a sliding cylinder, 15, a connecting rod, 16, a knife switch, 18, a sliding partition plate, 19, a switching-off locking assembly, 20, an exhaust pipe, 21, an exhaust pipe, 22, an air inlet pipe, 23, a handle, 24, a fixing seat, 25, a top plate, 26, an insulating pad, 27, a one-way valve, 28, a stop valve, 110, a clamping bolt hole, 140, a clamping bolt groove, 141, a through hole, 190, an air pressure chamber, 191, an air delivery pipe, 192, a piston clamping bolt, 193, a clamping bolt spring, 201, a sliding rod, 202, an exhaust pipe partition plate, 203, a through hole, 204 and a partition plate spring.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the invention comprises a box body 11, an air supplementing pipe 12 and a closing push rod 13, wherein the air supplementing pipe 12 is arranged above the box body 11, the closing push rod 13 is connected to the lower end of the box body 11 in a sliding manner, and the inner end of the closing push rod 13 is positioned in the box body 11;
the box body 11 is internally provided with a sliding cylinder 14, a knife switch 16 and a sliding partition plate 18, the sliding cylinder 14 is in sliding connection with the box body 11, the knife switch 16 is fixedly connected with the sliding cylinder 14 through a connecting rod 15, the sliding partition plate 18 is in sliding connection with the box body 11 and is fixedly connected with the knife switch 16 through the connecting rod 15, a top plate 25 is arranged below the sliding partition plate 18, and the top plate 25 is fixedly connected with the inner end of a closing push rod 13; the side wall of the box body 11 is also provided with a brake-opening locking assembly 19 and an exhaust pipe 20, the brake-opening locking assembly 19 is connected with the sliding cylinder 14 in a matched mode, and the exhaust pipe 20 is communicated with the inner cavity of the box body 11 above the sliding cylinder 14.
When the switch is opened, the switch is opened rapidly and automatically by air pressure, and when the switch is closed, the switch-on push rod 13 is pushed manually by the handle 23, so that the switch blade 16 moves upwards to finally reclose.
Wherein, the connector 02 is fixedly connected with respectively in box body 11 both sides, the inner of connector 02 is located box body 11, and the outer end of connector 02 is connected with cable 01.
In addition, the inner end of the air supplementing pipe 12 is communicated with the inner cavity of the box body 1 above the sliding cylinder 14, the other end of the air supplementing pipe 12 is connected to an air pump, the outer end of the closing push rod 13 is movably connected with a handle 23, the lower end of the handle 23 is rotatably connected with a fixing seat 24, and the fixing seat 24 is fixedly connected to the lower end of the box body 1.
The key point is that the outer end of the opening locking assembly 19 is fixedly connected with a gas pipe 191, the gas pipe 191 is communicated with a gas pressure chamber 190 in the opening locking assembly 19, a piston latch 192 is connected in the gas pressure chamber 190 in a sliding manner, a latch spring 193 is further arranged in the gas pressure chamber 190 outside the piston latch 192, two ends of the latch spring 193 are respectively connected to the opening locking assembly 19 and the piston latch 192, latch holes 110 matched with the piston latch 192 are formed in the box body 1, latch grooves 104 matched with the piston latch 192 are formed in the slide cylinder 14, through holes 141 are further formed in the slide cylinder 14, and the latch grooves 104 are communicated with the inner cavity of the box body 1. The exhaust pipe 20 is slidably connected with an exhaust pipe partition plate 202, a partition plate spring 204 is connected between the upper end of the exhaust pipe partition plate 202 and the exhaust pipe 20, the lower end of the exhaust pipe partition plate 202 is fixedly connected with a slide bar 201, the lower end of the slide bar 201 passes through the exhaust pipe 20 and the brake release locking assembly 19 and is positioned in the air pressure chamber 190 behind the piston clamping bolt 192, and a through hole 203 is formed in the exhaust pipe partition plate 202.
The inner cavity of the box body 1 above the slide cylinder 14 is also filled with compressed gas, so after the opening locking assembly 19 is opened, the slide cylinder 14 can slide down rapidly after being released, the slide cylinder 14 slides down rapidly to drive the knife 16 to slide down through the connecting rod 15, the knife 16 is separated from the connector 02, and the opening purpose is achieved.
The outer end of the opening locking assembly 19 is fixedly connected with an air pipe 191, the air pipe 191 is communicated with an air pressure chamber 190 in the opening locking assembly 19, a piston latch 192 is connected in the air pressure chamber 190 in a sliding manner, a latch spring 193 is further arranged in the air pressure chamber 190 outside the piston latch 192, two ends of the latch spring 193 are respectively connected to the opening locking assembly 19 and the piston latch 192, latch holes 110 matched with the piston latch 192 are formed in the box body 1, latch grooves 104 matched with the piston latch 192 are formed in the slide cylinder 14, through holes 141 are further formed in the slide cylinder 14, and the through holes 141 are communicated with the latch grooves 104 and the inner cavity of the box body 1.
Therefore, the opening locking assembly 19 is opened by only opening the air pipe 191 to release the compressed air in the air pressure chamber 190.
Further, an insulating pad 26 is provided at the upper end of the top plate 25. The inner cavity of the box body 11 between the sliding cylinder 14 and the sliding partition plate 18 is filled with compressed nitrogen, so that arc extinction and insulation effects are achieved.
In particular, the lower end of the box body 11 is also provided with an air outlet pipe 21 and an air inlet pipe 22, the air outlet pipe 21 and the air inlet pipe 22 are communicated with the inner cavity of the box body 11 below the sliding partition plate 18, the air outlet pipe 21 and the air inlet pipe 22 are respectively provided with a one-way valve 27 and a stop valve 28, and the outer ends of the air outlet pipe 21 and the air inlet pipe 22 are communicated with the atmosphere.
When the valve is opened, the sliding partition plate 18 slides downwards, so that air in the inner cavity of the box body 11 below the sliding partition plate 18 is discharged through the air outlet pipe 21, and the air outlet is not limited because the air outlet pipe 21 is provided with the outward one-way valve 27. However, when the switch-on is performed, negative pressure is generated in the inner cavity of the box body 11 below the sliding partition plate 18 due to the fact that the sliding partition plate 18 slides upwards, so that when the stop valve 28 on the air inlet pipe 22 is not opened, the switch-on cannot be performed, error switch-on is avoided, and potential safety hazards are reduced.
Specific embodiments and principles:
in the scheme, when an accident happens to the power transmission line, manual operation is not needed before an electrician, and only the gas transmission pipe 191 is opened to release the compressed gas in the gas pressure chamber 190. After the air pressure in the air pressure chamber 190 is reduced, the elastic force of the latch spring 193 is released, and the piston latch 192 is pulled back, so that the piston latch 192 is disengaged from the latch groove 104. The slide cylinder 14 is released, and the inner cavity of the box body 1 above the slide cylinder 14 is filled with compressed gas, so that the slide cylinder 14 can slide down rapidly after being released, the slide cylinder 14 slides down rapidly to drive the knife 16 to slide down through the connecting rod 15, the knife 16 is separated from the connector 02, and the purpose of opening the brake is achieved.
In the above process, although the piston catch 192 is disengaged from the catch groove 104, the piston catch 192 remains in the catch hole 110 in the case 1 because the slide tube 14 blocks the catch hole 110, so that a negative pressure is formed in the catch hole 110, and the back-retraction of the piston catch 192 is restricted and does not retract in place.
After the brake is opened and the slide cylinder 14 slides down to a certain extent, the latch hole 110 is exposed, the interior of the latch hole 110 is not in negative pressure, so that the piston latch 192 is further retracted to a position, at the moment, the piston latch 192 can jack up the slide rod 201, the slide rod 201 is lifted up to lift up the slide rod 201, the through hole 203 on the exhaust pipe partition plate 202 is communicated with the exhaust pipe 20, the exhaust pipe 20 is communicated, and compressed gas in the inner cavity of the box body 1 above the slide cylinder 14 is released; at this time, the slide cylinder 14 is not driven by air pressure, but is blocked by friction force, so that the slide cylinder can be decelerated to stop, and collision is avoided.
The sliding partition 18 is carried by the sliding knife 16, so that the air in the inner cavity of the box body 11 below the sliding partition 18 is discharged through the air outlet pipe 21, and the air outlet is not limited because the air outlet pipe 21 is provided with the outward one-way valve 27. However, when the switch-on is performed, negative pressure is generated in the inner cavity of the box body 11 below the sliding partition plate 18 due to the fact that the sliding partition plate 18 slides upwards, so that when the stop valve 28 on the air inlet pipe 22 is not opened, the switch-on cannot be performed, error switch-on is avoided, and potential safety hazards are reduced.
After the circuit problem is solved, the stop valve 28 is opened, and then the switching-on push rod 13 is manually pushed by the handle 23, so that the knife 16 moves upwards to finally reclose, and at the moment, the slide cylinder 14 is reset. Then, the air pipe 191 inflates the air pressure chamber 190 in the opening locking assembly 19, so that the piston latch 192 is pushed forward to be clamped into the latch groove 104 to lock the slide cylinder 14, at this time, the slide rod 201 is released, and the exhaust pipe partition 202 moves downward under the action of the partition spring 204, so that the through hole 203 is plugged again. Finally, the inner cavity of the box body 1 above the slide cylinder 14 is inflated by the air pipe 191 for later use.
Based on the above, the box body cavity above the slide cylinder is filled with high-pressure gas for standby, and the slide cylinder can be rapidly disconnected when the slide cylinder is opened. The electric brake is not required to be opened manually by electricians, and the electric brake is quick and safe. And the sliding cylinder automatically decelerates after sliding downwards for a certain distance, so that the kinetic energy of the sliding cylinder is released, and collision is avoided. The space where the knife switch and the connector are located is filled with compressed nitrogen, so that the arc extinguishing and insulating effects can be achieved. And the air outlet pipe and the air inlet pipe component avoid the occurrence of the error closing situation.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (8)
1. The safety protection type remote circuit breaker is characterized by comprising a box body (11), an air supplementing pipe (12) and a closing push rod (13), wherein the air supplementing pipe (12) is arranged above the box body (11), the closing push rod (13) is slidably connected to the lower end of the box body (11), and the inner end of the closing push rod (13) is positioned in the box body (11);
the automatic switching-on device is characterized in that a sliding cylinder (14), a knife switch (16) and a sliding partition plate (18) are arranged in the box body (11), the sliding cylinder (14) is connected in the box body (11) in a sliding mode, the knife switch (16) is fixedly connected with the sliding cylinder (14) through a connecting rod (15), the sliding partition plate (18) is connected in the box body (11) in a sliding mode and is fixedly connected with the knife switch (16) through the connecting rod (15), a top plate (25) is arranged below the sliding partition plate (18), and the top plate (25) is fixedly connected to the inner end of a switching-on push rod (13);
the box body (11) is characterized in that a brake-opening locking assembly (19) and an exhaust pipe (20) are further arranged on the side wall of the box body (11), the brake-opening locking assembly (19) is connected with the sliding cylinder (14) in a matched mode, the exhaust pipe (20) is communicated with the inner cavity of the box body (11) above the sliding cylinder (14), an air outlet pipe (21) and an air inlet pipe (22) are further arranged at the lower end of the box body (11), and the air outlet pipe (21) and the air inlet pipe (22) are communicated with the inner cavity of the box body (11) below the sliding partition plate (18).
2. A safety protection type remote circuit breaker according to claim 1, characterized in that: the box body (11) both sides are fixedly connected with connector (02) respectively, the inner of connector (02) is located box body (11), and the outer end of connector (02) is connected with cable (01).
3. A safety protection type remote circuit breaker according to claim 1, characterized in that: the inner end of the air supplementing pipe (12) is communicated with the inner cavity of the box body (1) above the sliding cylinder (14), the other end of the air supplementing pipe (12) is connected to the air pump, the outer end of the closing push rod (13) is movably connected with the handle (23), the lower end of the handle (23) is rotatably connected with the fixing seat (24), and the fixing seat (24) is fixedly connected with the lower end of the box body (1).
4. A safety protection type remote circuit breaker according to claim 1, characterized in that: the utility model discloses a pneumatic brake system, including box body (1), switch-off locking assembly (19), pneumatic brake locking assembly (19) outer end fixedly connected with gas-supply pipe (191), gas-supply pipe (191) communicate with pneumatic chamber (190) in switch-off locking assembly (19), sliding connection has piston latch (192) in pneumatic chamber (190), and still be equipped with latch spring (193) in pneumatic chamber (190) in piston latch (192) outside, the both ends of latch spring (193) are connected respectively on switch-off locking assembly (19) and piston latch (192), be equipped with on box body (1) with piston latch (192) matched with latch hole (110), be equipped with on slide (14) with piston latch (192) matched with latch groove (104), still be equipped with through-hole (141) on slide (14), the inner chamber of through-hole (141) intercommunication latch groove (104) and box body (1).
5. The safety protection type remote circuit breaker according to claim 4, wherein: the utility model discloses a piston lock, including blast pipe (20), blast pipe baffle (202) is connected with in the blast pipe (20) sliding connection, be connected with baffle spring (204) between the upper end of blast pipe baffle (202) and blast pipe (20), and the lower extreme fixedly connected with slide bar (201) of blast pipe baffle (202), the lower extreme of slide bar (201) is passed blast pipe (20) and is opened floodgate locking Assembly (19) and is located pneumatic chamber (190) behind piston lock (192), be equipped with through-hole (203) on blast pipe baffle (202).
6. A safety protection type remote circuit breaker according to claim 1, characterized in that: an insulating pad (26) is arranged at the upper end of the top plate (25).
7. A safety protection type remote circuit breaker according to claim 1, characterized in that: the air outlet pipe (21) and the air inlet pipe (22) are respectively provided with a one-way valve (27) and a stop valve (28), and the outer ends of the air outlet pipe (21) and the air inlet pipe (22) are communicated with the atmosphere.
8. A safety protection type remote circuit breaker according to claim 1, characterized in that: the inner cavity of the box body (11) between the sliding cylinder (14) and the sliding partition plate (18) is filled with compressed nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310756947.4A CN116844922A (en) | 2023-06-26 | 2023-06-26 | Safety protection type remote circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310756947.4A CN116844922A (en) | 2023-06-26 | 2023-06-26 | Safety protection type remote circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116844922A true CN116844922A (en) | 2023-10-03 |
Family
ID=88171908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310756947.4A Pending CN116844922A (en) | 2023-06-26 | 2023-06-26 | Safety protection type remote circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116844922A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013137956A (en) * | 2011-12-28 | 2013-07-11 | Toshiba Corp | Gas circuit breaker |
| CN109411288A (en) * | 2018-11-20 | 2019-03-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of supplementary structure improving high-voltage circuitbreaker fracture insulation performance |
| CN114566409A (en) * | 2022-01-26 | 2022-05-31 | 南京师范大学泰州学院 | Electromagnetic type quick tripping device and circuit breaker |
| CN115863103A (en) * | 2022-12-16 | 2023-03-28 | 民众电气科技有限公司 | Pole-mounted circuit breaker with built-in isolating switch |
-
2023
- 2023-06-26 CN CN202310756947.4A patent/CN116844922A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013137956A (en) * | 2011-12-28 | 2013-07-11 | Toshiba Corp | Gas circuit breaker |
| CN109411288A (en) * | 2018-11-20 | 2019-03-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of supplementary structure improving high-voltage circuitbreaker fracture insulation performance |
| CN114566409A (en) * | 2022-01-26 | 2022-05-31 | 南京师范大学泰州学院 | Electromagnetic type quick tripping device and circuit breaker |
| CN115863103A (en) * | 2022-12-16 | 2023-03-28 | 民众电气科技有限公司 | Pole-mounted circuit breaker with built-in isolating switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215578337U (en) | Isolating switch and automatic tripping mechanism thereof | |
| CN113421789A (en) | Isolating switch and automatic tripping mechanism | |
| CN111383864B (en) | Circuit breaker | |
| CN116844922A (en) | Safety protection type remote circuit breaker | |
| CN210575714U (en) | Electric interlocking mechanism for isolating reversing switch door | |
| CN116864336A (en) | Short-circuit protection switch for high-voltage cable | |
| CN205881737U (en) | Produce gas formula load switch cabinet interlock | |
| CN215578335U (en) | Isolating switch and opening and closing device thereof | |
| CN104952671B (en) | A kind of direct pull formula residual current acting tripping mechanism | |
| CN202142478U (en) | Breaker auxiliary brake-separating device | |
| CN210535540U (en) | Front and rear door interlocking mechanism of mining explosion-proof high-voltage distribution device | |
| CN210628221U (en) | Electric energy storage operating mechanism of circuit breaker | |
| CN112260385A (en) | Circuit overload monitoring device with selective circuit breaking function | |
| CN115602502A (en) | Circuit breaker tripping structure | |
| CN112546497A (en) | Electrical cabinet for automatic power-off fire extinguishing by using isolated oxygen and dry powder | |
| CN212934472U (en) | Vacuum circuit breaker program lock | |
| CN213753517U (en) | High-voltage board isolating device | |
| CN216902774U (en) | Circuit breaker with quick response of emergency lock catch | |
| KR102457966B1 (en) | Driving apparatus for load breaker switch | |
| CN110911240A (en) | Interlocking device of plug-in circuit breaker | |
| CN214226836U (en) | Safety protection structure of plug-in molded case circuit breaker | |
| CN218769175U (en) | Interlocking mechanism for plug-in cabinet door of upper isolation lower circuit breaker switch cabinet | |
| CN203826248U (en) | Interlocking mechanism of isolating switch and circuit breaker | |
| CN211455553U (en) | Isolation switch operating mechanism capable of improving positioning precision | |
| CN110571095A (en) | electric interlocking mechanism for isolating reversing switch door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |