CN113314379A - Permanent magnet vacuum circuit breaker and inflating cabinet - Google Patents
Permanent magnet vacuum circuit breaker and inflating cabinet Download PDFInfo
- Publication number
- CN113314379A CN113314379A CN202110646874.4A CN202110646874A CN113314379A CN 113314379 A CN113314379 A CN 113314379A CN 202110646874 A CN202110646874 A CN 202110646874A CN 113314379 A CN113314379 A CN 113314379A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- circuit breaker
- main shaft
- assembly
- crank arm
- 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.)
- Withdrawn
Links
Images
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a permanent magnet vacuum circuit breaker, which comprises an air box and an insulating main shaft, wherein the insulating main shaft is arranged on the air box in a penetrating way through a sealing movable matching assembly; a permanent magnet driving assembly is arranged outside the gas tank, the permanent magnet driving assembly comprises a permanent magnet driving unit for driving the insulating main shaft to rotate to switch on and off and a switching-off spring assembly for switching off the insulating main shaft after switching on, and the permanent magnet driving unit is connected with the insulating main shaft through a connecting rod assembly; the gas tank is internally provided with a circuit breaker and an elastic reset assembly for assisting the circuit breaker in resetting, and the insulating main shaft drives the circuit breaker to perform opening and closing actions through the cam assembly; the spring operating mechanism of the original vacuum circuit breaker of the gas-filled cabinet is replaced by a permanent magnet operating mechanism module, and the permanent magnet operating mechanism module has the characteristics of easiness in operation, compact structure, stable and reliable performance, no maintenance and long service life, and meets the technical requirements of the intelligent power grid on secondary transformation and distribution equipment.
Description
Technical Field
The invention relates to the technical field of ring main units, in particular to a permanent magnet vacuum circuit breaker and an inflating cabinet.
Background
Along with the great increase of the investment of the power industry, the construction of a power distribution network is increased, the capacity requirement of a ring network power supply system is continuously increased in the secondary power transformation and distribution of a power system, the occupied amount of an inflatable cabinet in a ring network cabinet series is more and more large, the inflatable cabinet has the advantages of being outstanding, simple and compact in structure, small in size, flexible in operation, reliable in interlocking, convenient in cabinet type expansion and the like, and the power distribution network is suitable for places such as switching stations, box-type transformer substations, residential districts, industrial and mining enterprises and large markets;
because the intelligent power grid has the requirements of easy control, stable and reliable performance and maintenance-free on the secondary transformation and distribution equipment, the permanent magnet vacuum circuit breaker which can replace the spring operating mechanism of the original vacuum circuit breaker of the gas-filled cabinet with the permanent magnet operating mechanism module is in accordance with the requirement.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a permanent magnet vacuum circuit breaker and an air-filled cabinet, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the permanent magnet vacuum circuit breaker is constructed, and comprises an air box and an insulating main shaft, wherein the insulating main shaft is arranged on the air box in a penetrating manner through a sealing movable fit assembly; a permanent magnet driving assembly is arranged outside the gas tank, the permanent magnet driving assembly comprises a permanent magnet driving unit for driving the insulating main shaft to rotate to switch on and off and a switching-off spring assembly for switching off the insulating main shaft after switching on, and the permanent magnet driving unit is connected with the insulating main shaft through a connecting rod assembly; the gas tank is internally provided with a circuit breaker and an elastic reset assembly for assisting the circuit breaker in resetting, and the insulating main shaft drives the circuit breaker to perform opening and closing actions through the cam assembly.
The permanent magnet vacuum circuit breaker is characterized in that a mechanism bracket for mounting the permanent magnet driving unit and/or the opening spring assembly is arranged outside the gas box.
The permanent magnet vacuum circuit breaker comprises a connecting rod assembly, a mechanism support and a connecting rod, wherein the connecting rod assembly comprises a first connecting lever, and the non-end part of the first connecting lever is rotatably connected with the mechanism support; two ends of the first crank arm are respectively and rotatably connected with a second crank arm and a third crank arm; one end of the second crank arm, which is far away from the end connected with the first crank arm, is rotatably connected with the movable end of the permanent magnet driving unit; and one end of the third crank arm, which deviates from the end connected with the first crank arm, is rotatably connected with a fourth crank arm which is connected with and drives the insulation main shaft to rotate.
The permanent magnet vacuum circuit breaker comprises an insulation main shaft, a brake separating spring assembly and an elastic assembly, wherein the insulation main shaft is arranged on the insulation main shaft, the brake separating spring assembly is arranged on the insulation main shaft, and the insulation main shaft is arranged on the insulation main shaft.
The invention relates to a permanent magnet vacuum circuit breaker, wherein an elastic component comprises a brake separating spring pull rod and a brake separating spring for providing brake separating force for the brake separating spring pull rod; one end of the fifth crank arm is connected with the opening spring pull rod, and the other end of the fifth crank arm is connected with the insulating main shaft; the elastic component also comprises a brake separating spring seat and a spring limiting plate; the opening spring is sleeved on the opening spring pull rod; one end of the opening spring pull rod is connected with the opening spring seat, and the other end of the opening spring pull rod is connected with the fifth crank arm; the spring limiting plate and the brake separating spring seat respectively limit two ends of the brake separating spring; and the spring limiting plate is provided with a through hole for the brake-separating spring pull rod to pass through.
The permanent magnet vacuum circuit breaker comprises a permanent magnet driving unit, a permanent magnet driving unit and a permanent magnet, wherein the permanent magnet driving unit comprises an outer magnetic sleeve, and a movable iron core, a driving coil and a rare earth permanent magnet are arranged in the outer magnetic sleeve; and a moving iron core rod is fixed on the moving iron core and is connected with the connecting rod assembly.
The permanent magnet vacuum circuit breaker comprises a cam assembly, a permanent magnet vacuum circuit breaker and a control system, wherein the cam assembly comprises a cam fixedly connected with an insulating main shaft and a transmission rod driving the circuit breaker to be switched on and off; the transmission rod is rotatably provided with a roller, and the cam is eccentrically provided with an adjusting groove for the sliding of the roller.
The permanent magnet vacuum circuit breaker is characterized in that a circuit breaker mounting plate for mounting the circuit breaker is arranged in the gas tank; and an insulating side plate is arranged on the breaker mounting plate, and a support for supporting and positioning the insulating main shaft is arranged on the insulating side plate.
The permanent magnet vacuum circuit breaker comprises a vacuum arc extinguish chamber, wherein an insulating positioning plate is arranged on an insulating side plate, a positioning hole for positioning a movable conducting end of the vacuum arc extinguish chamber is formed in the insulating positioning plate, and a transmission rod is in threaded connection with the end face of the movable conducting end of the vacuum arc extinguish chamber and tightly abuts against the end face of the movable conducting end of the vacuum arc extinguish chamber in a flexible connection manner; the elastic reset assembly comprises a contact spring sleeved on the transmission rod and a contact spring seat pressing the contact spring; and a bracket is arranged on the insulating side plate, and the static conductive end of the vacuum arc extinguish chamber is fixedly connected with the bracket through a copper nut.
The gas-filled cabinet is provided with the permanent magnet vacuum circuit breaker.
The invention has the beneficial effects that: by applying the structure, the requirements of an intelligent power grid on secondary power transformation and distribution equipment such as easiness in control, stable and reliable performance and maintenance-free are met, the spring operating mechanism of the original vacuum circuit breaker of the gas-filled cabinet is replaced by the permanent magnet operating mechanism module, and the permanent magnet operating mechanism module has the characteristics of easiness in control, compact structure, stable and reliable performance, maintenance-free and long service life, and meets the technical requirements of the intelligent power grid on the secondary power transformation and distribution equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
fig. 1 is a schematic side view of a permanent magnet vacuum circuit breaker according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a closing state of a permanent magnet driving assembly of the permanent magnet vacuum circuit breaker according to the preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of the permanent magnet driving assembly of the permanent magnet vacuum circuit breaker in an opening state according to the preferred embodiment of the invention;
fig. 4 is a schematic structural diagram of a permanent magnet vacuum circuit breaker according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The permanent magnet vacuum circuit breaker according to the preferred embodiment of the present invention, as shown in fig. 1 and referring to fig. 2-4, includes an air box 1 and an insulating spindle 2, wherein the insulating spindle 2 is inserted into the air box 1 through a sealing movable fitting component 3; a permanent magnet driving assembly is arranged outside the gas box 1, the permanent magnet driving assembly comprises a permanent magnet driving unit 40 for driving the insulating main shaft 2 to rotate to switch on and off and a switching-off spring assembly 41 for switching off the insulating main shaft 2 after switching on, and the permanent magnet driving unit 40 is connected with the insulating main shaft 2 through a connecting rod assembly 42; the gas tank 1 is internally provided with a circuit breaker and an elastic reset assembly 10 for assisting the circuit breaker in resetting, and the insulating main shaft 2 drives the circuit breaker to perform opening and closing actions through the cam assembly 11;
by applying the structure, the spring operating mechanism of the original vacuum circuit breaker of the gas-filled cabinet is replaced by a permanent magnet operating mechanism module which has the characteristics of easy operation, compact structure, stable and reliable performance, no maintenance and long service life in response to the requirements of an intelligent power grid on secondary power transformation and distribution equipment, such as easy operation, stable and reliable performance and no maintenance;
when the switching-on operation is performed, the permanent magnet driving unit 40 executes a switching-on instruction, the connecting rod assembly 42 drives the insulating main shaft 2 to rotate by a certain angle and keep the insulating main shaft, and the cam assembly 11 drives the circuit breaker to perform a switching-on action while the insulating main shaft 2 rotates; when the opening operation is carried out, the permanent magnet driving unit 40 executes an opening instruction, the opening spring assembly 41 drives the insulating main shaft 2 to rotate to open the opening, and meanwhile, the elastic resetting assembly 10 synchronously drives the breaker to carry out opening action; compared with the existing spring operating mechanism, the spring operating mechanism has the advantages of easy operation, compact structure, stable and reliable performance, no maintenance and long service life;
in practical application, the insulating main shaft can drive one or more circuit breakers to perform switching on and switching off operations; the sealing movable fit assembly can adopt the existing components such as a sealing bearing and the like;
preferably, a mechanism bracket 12 for mounting the permanent magnet driving unit 40 and/or the opening spring assembly 41 is arranged outside the air box 1.
Preferably, the linkage assembly 42 includes a first crank arm 420, a non-end position of the first crank arm 420 being pivotally connected to the mechanism bracket 12; a second crank arm 421 and a third crank arm 422 are respectively connected to two ends of the first crank arm 420 in a rotating manner; the end of the second crank arm 421 away from the end connected with the first crank arm 420 is rotatably connected with the movable end of the permanent magnet driving unit 40; a fourth crank arm 423 which is connected to drive the insulation main shaft 2 to rotate is rotatably connected to one end of the third crank arm 422, which is far away from the end connected with the first crank arm 420;
when the permanent magnet driving unit 40 operates to execute a closing instruction, one end of the second crank arm 421 is driven to move for a certain distance, the second crank arm 421 moves to drive the first crank arm 420 to rotate, the first crank arm 420 rotates to drive the third crank arm 422 to move, the third crank arm 422 moves to drive the fourth crank arm 423 to rotate, and then the insulating main shaft 2 rotates to perform closing;
the fourth crank arm 423 and the insulating main shaft 2 can be in fixed connection or in transmission connection in a spline fit manner; of course, it is understood that the connecting rod arrangement can also have other existing forms, and the existing structural replacement based on the principle belongs to the protection scope of the present application.
Preferably, the opening spring assembly 41 comprises a fifth crank arm 410 for driving the insulating main shaft 2 to rotate to open the gate, and an elastic assembly for providing a gate opening force for the fifth crank arm 410; and the swing arm structure is utilized to ensure the brake-separating reliability.
The fifth crank arm 410 and the insulating spindle 2 may be fixedly connected, or may be in transmission connection in a spline fit manner; the elastic component can adopt the following structure, also can adopt other existing structural style, and the current structural replacement based on this kind of principle all belongs to this application protection scope.
Preferably, the elastic assembly includes a switching-off spring pull rod 411 and a switching-off spring 412 for providing a switching-off force thereto; one end of the fifth crank arm 410 is connected with the opening spring pull rod 411, and the other end is connected with the insulating main shaft 2; the elastic component also comprises a brake-separating spring seat 413 and a spring limiting plate 414; the opening spring 412 is sleeved on the opening spring pull rod 411; one end of the opening spring pull rod 411 is connected with an opening spring seat 413, and the other end of the opening spring pull rod is connected with the fifth crank arm 410; the spring limiting plate 414 and the brake separating spring seat 413 limit two ends of the brake separating spring 412 respectively; the spring limiting plate 414 is provided with a through hole for the brake-separating spring pull rod 411 to pass through; reasonable and compact structure, convenient assembly and reliable elastic force provided by the opening spring
Preferably, the permanent magnet driving unit 40 includes an outer magnetic sleeve 400, and a movable iron core 401, a driving coil 402 sleeved outside the movable iron core, and a rare earth permanent magnet 403 are arranged in the outer magnetic sleeve 400; a moving iron core rod 4010 is fixed on the moving iron core 401, and the moving iron core rod 4010 is connected with the connecting rod assembly 42;
when the permanent magnet driving unit 40 receives a closing instruction, the driving coil 402 is electrically driven to drive the movable iron core 401 to move, the connecting rod assembly 42 drives the insulation main shaft 2 to rotate to close, and the movable iron core 401 maintains a closing state by virtue of the suction force of the rare earth permanent magnet 403; when the permanent magnet driving unit 40 receives a brake opening instruction, the driving coil 402 electrically drives the movable iron core 401 to move, the connecting rod assembly 42 synchronously releases brake opening force with the brake opening spring assembly 41 to drive the insulating main shaft 2 to rotate together to perform brake opening, and the movable iron core 401 maintains a brake opening state by means of the attraction of the rare earth permanent magnet 403.
Preferably, the cam assembly 11 comprises a cam 110 fixedly connected with the insulating main shaft 2 and a transmission rod 111 driving the circuit breaker to open and close; the transmission rod 111 is rotatably provided with a roller 112, and the cam 110 is eccentrically provided with an adjusting groove 1100 for the roller 112 to slide;
when the device runs, the insulating main shaft 2 drives the cam 110 to synchronously rotate, and when the cam 110 rotates, the roller 112 rolls in the adjusting groove 1100, so that the direction of force is converted; in practical application, technicians can design the radian and the direction of the regulating groove according to the pulling stroke of actual needs so as to adapt to the opening and closing stroke requirements of different circuit breakers.
Preferably, a breaker mounting plate 13 for mounting a breaker is arranged in the gas tank 1; an insulating side plate 14 is arranged on the breaker mounting plate 13, and a bracket 140 for supporting and positioning the insulating main shaft 2 is arranged on the insulating side plate 14; reliability and strength are guaranteed, and stability is good.
Preferably, the circuit breaker includes a vacuum interrupter 50, the insulating side plate 14 is provided with an insulating positioning plate 141, the insulating positioning plate 141 is provided with a positioning hole for positioning the movable conducting end of the vacuum interrupter 50, the transmission rod 111 is in threaded connection with the end face of the movable conducting end of the vacuum interrupter 50 and tightly supports the flexible connection 51 against the end face of the movable conducting end of the vacuum interrupter 50; the elastic reset assembly 10 comprises a contact spring 100 sleeved on the transmission rod 111 and a contact spring seat 101 pressing the contact spring; a bracket 142 is arranged on the insulating side plate 14, and a static conductive end of the vacuum arc extinguish chamber 50 is fixedly connected with the bracket 142 through a copper nut 52; the structure is reasonable and compact, the assembly and the maintenance are convenient, and the cost is low.
An inflatable cabinet, wherein, be provided with on the inflatable cabinet as above-mentioned permanent magnetism vacuum circuit breaker.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The permanent magnet vacuum circuit breaker is characterized by comprising an air box and an insulating main shaft, wherein the insulating main shaft is arranged on the air box in a penetrating manner through a sealing movable fit assembly; a permanent magnet driving assembly is arranged outside the gas tank, the permanent magnet driving assembly comprises a permanent magnet driving unit for driving the insulating main shaft to rotate to switch on and off and a switching-off spring assembly for switching off the insulating main shaft after switching on, and the permanent magnet driving unit is connected with the insulating main shaft through a connecting rod assembly; the gas tank is internally provided with a circuit breaker and an elastic reset assembly for assisting the circuit breaker in resetting, and the insulating main shaft drives the circuit breaker to perform opening and closing actions through the cam assembly.
2. The permanent magnet vacuum interrupter of claim 1 wherein a mechanism mount is provided outside the gas box to mount the permanent magnet drive unit and/or the opening spring assembly.
3. The permanent magnet vacuum interrupter of claim 2 wherein the linkage assembly includes a first crank arm, a non-end position of the first crank arm being rotationally coupled to the mechanism mount; two ends of the first crank arm are respectively and rotatably connected with a second crank arm and a third crank arm; one end of the second crank arm, which is far away from the end connected with the first crank arm, is rotatably connected with the movable end of the permanent magnet driving unit; and one end of the third crank arm, which deviates from the end connected with the first crank arm, is rotatably connected with a fourth crank arm which is connected with and drives the insulation main shaft to rotate.
4. The permanent magnet vacuum circuit breaker according to claim 2 or 3, wherein said opening spring assembly comprises a fifth crank arm for driving said insulating main shaft to rotate to open the opening, and an elastic assembly for providing an opening force to said fifth crank arm.
5. The permanent magnet vacuum interrupter of claim 4 wherein said resilient assembly comprises a trip spring pull rod and a trip spring providing a trip force thereto; one end of the fifth crank arm is connected with the opening spring pull rod, and the other end of the fifth crank arm is connected with the insulating main shaft; the elastic component also comprises a brake separating spring seat and a spring limiting plate; the opening spring is sleeved on the opening spring pull rod; one end of the opening spring pull rod is connected with the opening spring seat, and the other end of the opening spring pull rod is connected with the fifth crank arm; the spring limiting plate and the brake separating spring seat respectively limit two ends of the brake separating spring; and the spring limiting plate is provided with a through hole for the brake-separating spring pull rod to pass through.
6. The permanent magnet vacuum circuit breaker according to any of claims 1-3, 5, wherein the permanent magnet driving unit comprises an outer magnetic sleeve, a movable iron core is arranged in the outer magnetic sleeve, and a driving coil and a rare earth permanent magnet are sleeved outside the movable iron core; and a moving iron core rod is fixed on the moving iron core and is connected with the connecting rod assembly.
7. The permanent magnet vacuum circuit breaker according to any one of claims 1-3 and 5, wherein the cam assembly comprises a cam fixedly connected with the insulating main shaft and a transmission rod driving the circuit breaker to open and close; the transmission rod is rotatably provided with a roller, and the cam is eccentrically provided with an adjusting groove for the sliding of the roller.
8. The permanent magnet vacuum circuit breaker according to claim 7, characterized in that a breaker mounting plate is provided inside the gas tank for mounting the circuit breaker; and an insulating side plate is arranged on the breaker mounting plate, and a support for supporting and positioning the insulating main shaft is arranged on the insulating side plate.
9. The permanent magnet vacuum circuit breaker according to claim 8, wherein the circuit breaker comprises a vacuum interrupter, an insulating positioning plate is arranged on the insulating side plate, a positioning hole for positioning the movable conducting end of the vacuum interrupter is arranged on the insulating positioning plate, the transmission rod is in threaded connection with the movable conducting end face of the vacuum interrupter and tightly presses the flexible connection against the movable conducting end face of the vacuum interrupter; the elastic reset assembly comprises a contact spring sleeved on the transmission rod and a contact spring seat pressing the contact spring; and a bracket is arranged on the insulating side plate, and the static conductive end of the vacuum arc extinguish chamber is fixedly connected with the bracket through a copper nut.
10. An inflatable cabinet, characterized in that the inflatable cabinet is provided with a permanent magnet vacuum interrupter as claimed in any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646874.4A CN113314379A (en) | 2021-06-10 | 2021-06-10 | Permanent magnet vacuum circuit breaker and inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646874.4A CN113314379A (en) | 2021-06-10 | 2021-06-10 | Permanent magnet vacuum circuit breaker and inflating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113314379A true CN113314379A (en) | 2021-08-27 |
Family
ID=77378387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110646874.4A Withdrawn CN113314379A (en) | 2021-06-10 | 2021-06-10 | Permanent magnet vacuum circuit breaker and inflating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113314379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117116703A (en) * | 2023-10-20 | 2023-11-24 | 厦门顾德益电气股份有限公司 | Vacuum arc-extinguishing chamber module of environment-friendly gas cabinet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291816A (en) * | 1999-10-07 | 2001-04-18 | Lg产电株式会社 | Gas insulating switch device |
| CN101127281A (en) * | 2007-07-16 | 2008-02-20 | 王光顺 | A vacuum breaker for dual stabilized permanent magnetic machine |
| WO2015129115A1 (en) * | 2014-02-27 | 2015-09-03 | 株式会社 東芝 | Switch operation mechanism |
| CN204632663U (en) * | 2015-05-19 | 2015-09-09 | 亚洲电力设备(深圳)股份有限公司 | Permanent magnetic actuator vacuum separating brake closing device |
| CN208521855U (en) * | 2018-07-19 | 2019-02-19 | 珠海天欧电气有限公司 | Circuit breaker for inflating cabinet |
| CN208903916U (en) * | 2018-08-31 | 2019-05-24 | 宁波耀华电气科技有限责任公司 | A kind of vacuum circuit breaker of gas cabinet |
| CN209515554U (en) * | 2019-03-04 | 2019-10-18 | 胡春生 | A kind of magnetic holding operating mechanism of gas insulation breaker cabinet |
| CN211238090U (en) * | 2020-02-10 | 2020-08-11 | 通号（长沙）轨道交通控制技术有限公司 | Permanent magnet driving module and vacuum circuit breaker applying same |
| CN111653450A (en) * | 2019-03-04 | 2020-09-11 | 胡春生 | Magnetic latching operation mechanism for gas insulated circuit breaker cabinet |
-
2021
- 2021-06-10 CN CN202110646874.4A patent/CN113314379A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291816A (en) * | 1999-10-07 | 2001-04-18 | Lg产电株式会社 | Gas insulating switch device |
| CN101127281A (en) * | 2007-07-16 | 2008-02-20 | 王光顺 | A vacuum breaker for dual stabilized permanent magnetic machine |
| WO2015129115A1 (en) * | 2014-02-27 | 2015-09-03 | 株式会社 東芝 | Switch operation mechanism |
| CN204632663U (en) * | 2015-05-19 | 2015-09-09 | 亚洲电力设备(深圳)股份有限公司 | Permanent magnetic actuator vacuum separating brake closing device |
| CN208521855U (en) * | 2018-07-19 | 2019-02-19 | 珠海天欧电气有限公司 | Circuit breaker for inflating cabinet |
| CN208903916U (en) * | 2018-08-31 | 2019-05-24 | 宁波耀华电气科技有限责任公司 | A kind of vacuum circuit breaker of gas cabinet |
| CN209515554U (en) * | 2019-03-04 | 2019-10-18 | 胡春生 | A kind of magnetic holding operating mechanism of gas insulation breaker cabinet |
| CN111653450A (en) * | 2019-03-04 | 2020-09-11 | 胡春生 | Magnetic latching operation mechanism for gas insulated circuit breaker cabinet |
| CN211238090U (en) * | 2020-02-10 | 2020-08-11 | 通号（长沙）轨道交通控制技术有限公司 | Permanent magnet driving module and vacuum circuit breaker applying same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117116703A (en) * | 2023-10-20 | 2023-11-24 | 厦门顾德益电气股份有限公司 | Vacuum arc-extinguishing chamber module of environment-friendly gas cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202034297U (en) | Outdoor high-pressure permanent-magnet vacuum circuit breaker | |
| CN104715964A (en) | Monopole vacuum circuit breaker | |
| CN204516677U (en) | A kind of single-pole vacuum circuit breaker | |
| CN202495384U (en) | Indoor side mounted solid sealed pole vacuum circuit breaker | |
| CN109326483B (en) | Alternating-current high-voltage SF6 circuit breaker and permanent magnet operating mechanism thereof | |
| CN106158500A (en) | Carry the permanent-magnet breaker of manual closing mechanism | |
| CN112216550A (en) | Pole-mounted circuit breaker with built-in isolating switch | |
| CN201060794Y (en) | Vacuum breaker | |
| CN113314379A (en) | Permanent magnet vacuum circuit breaker and inflating cabinet | |
| CN101145677A (en) | Special gas insulation combined appliance for electric railroad | |
| CN110854731A (en) | Gas insulation switch equipment | |
| CN202772035U (en) | Indoor side-mounted vacuum circuit breaker | |
| CN201732722U (en) | Indoor permanent magnetic seal high-voltage vacuum breaker | |
| CN106847610B (en) | Permanent magnetic spring actuating integral mechanism and its application method | |
| CN101604824B (en) | Outdoor 27.5 kV fixedly-sealed type vacuum modularized electric appliance for electrified railway | |
| CN201494329U (en) | Outdoor sealing type vacuum modular electrical appliance of electrical railway | |
| CN101162659A (en) | Switch installation used for electrical power system | |
| CN205303310U (en) | Outdoor column vacuum breaker | |
| CN204577316U (en) | A kind of outdoor intelligent vacuum circuit breaker of measurement and relay protection one | |
| CN101549655B (en) | Outdoor 2 multiply 27.5 kV solid-sealing vacuum modular device of electrified railway | |
| CN201484215U (en) | Outdoor sealed type 27.5kV vacuum modular electrical appliance of electrified railway | |
| CN105719893A (en) | Vacuum arc-extinguishing chamber with operating mechanism | |
| CN205487932U (en) | Outdoor interchange high pressure permanent magnetism vacuum circuit breaker | |
| CN209515530U (en) | A kind of gas-insulated high-voltage switch cabinet high speed grounding switch | |
| CN201435342Y (en) | 2*55 kV solid-sealed type vacuum circuit breaker of electrified railway |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210827 |