CN110517913A - A kind of dual power supply arc-control device - Google Patents
A kind of dual power supply arc-control device Download PDFInfo
- Publication number
- CN110517913A CN110517913A CN201910925491.3A CN201910925491A CN110517913A CN 110517913 A CN110517913 A CN 110517913A CN 201910925491 A CN201910925491 A CN 201910925491A CN 110517913 A CN110517913 A CN 110517913A
- Authority
- CN
- China
- Prior art keywords
- arc
- fixedly mounted
- control device
- chutes
- power supply
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
Abstract
It is disclosed by the invention to belong to arc-control device technical field, specially a kind of dual power supply arc-control device, comprising: power transmission mechanism, arc extinguishing chamber component, linkage mechanism and connecting copper bar group, two shafts are fixedly mounted above the front side wall of the power transmission mechanism, multiple arc extinguishing chamber components are fixedly mounted in two shafts, by standing screw, mutually fixation is spirally connected multiple arc extinguishing chamber components, multiple linkage mechanisms are fixedly mounted in two shafts, the linkage mechanism includes kinetic insulation part, shaft coupling, connect contact, dynamic contact silver point position and quiet contact silver point position, the shaft coupling is fixedly mounted in the bottom of the kinetic insulation part, the connection contact is fixedly mounted in the bottom right of the shaft coupling, arc-chutes caused by invention is avoided because of excessive electrical discharge arc are burnt or puncture short problem, it increases in spark chamber Space, widened the selection of arc-control device, the resultant effect for solving equipment quickly and effectively when arcing occurs.
Description
Technical field
The present invention relates to arc-control device technical field, specially a kind of dual power supply arc-control device.
Background technique
Electric arc is a kind of form of gas discharge.Gas discharge is divided into self-maintained discharge and two class of non-self-maintained discharge, electric arc category
Arc discharge in gas self-maintained discharge.Test proves, when cut-offfing in an atmosphere or sealing voltage is more than that 10V, electric current are more than
When the circuit of 0.5A, an extreme temperatures can be generated in contact gap (or arc gap), the gas that brightness is extremely strong and energy is conductive,
Referred to as electric arc.Due to the high temperature and Qiang Guang of electric arc, it can be widely applied to welding, melting, chemical synthesis, intense light source and space
Technology etc..For Electric device with a contact, when occurring mainly with contact disconnecting circuit due to electric arc, high temperature is by scaling loss contact
And insulate, phase fault, electric appliance explosion are even caused under serious conditions, to lead to fire, jeopardize personnel and the safety of equipment.
In Electric device with a contact, the process of contact connection and breaking current is usually associated with the generation and extinguishing of electric arc.Electric arc is a kind of
Gas discharge phenomenon has certain harm to electric appliance.By the introduction to arc phenomenon, its original for generating and extinguishing is analyzed
Cause introduces the common arc-suppressing method of electric appliance and device, to solve influence of the electric arc in electric appliance.
When supply voltage is more than tens of volts, drop-out current when tens of peaces are above, for reduce electric arc to the scaling loss of contact and
Limit the space of electric arc extension, it usually needs take the measure for reinforcing arc extinguishing ability, the device used thus is known as interrupter cartridge
It sets.One arc-control device can carry out blow-out using a certain method.It but is in most cases, then comprehensive using several sides
Method, to increase arc quenching effect.Such as elongate and cool down what electric arc often used together.
Arc-control device in the prior art shares incorgruous with one arc-chutes of chamber using corresponding opening and closing mode
Arc-chutes caused by arc quenching method is be easy to cause because of excessive electrical discharge arc are burnt or puncture short problem, while the space of arc extinguishing has
Limit, therefore need to research and develop a kind of dual power supply arc-control device.
Summary of the invention
The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferable realities
Apply mode.It may do a little simplified or be omitted to avoid making in this section and the description of the application and the title of the invention
The purpose of this part, abstract of description and denomination of invention is fuzzy, and this simplification or omission cannot be used for limiting model of the invention
It encloses.
The problem of in view of above-mentioned and/or existing dual power supply arc-control device, propose the present invention.
Therefore, the purpose of the present invention is to provide dual power supply arc-control devices, increase the space of installation arc-chutes, make arc-chutes
Device has obtained very big development space, and arc-chutes caused by avoiding because of excessive electrical discharge arc are burnt or puncture short problem,
The equidirectional arc quenching method of different chamber was changed to the different direction arc quenching method of chamber originally, two independent part arc-control devices are divided the work
Work, increases the space in spark chamber, has widened the selection of arc-control device, solve equipment quickly and effectively when arcing occurs
It determines.
In order to solve the above technical problems, according to an aspect of the present invention, the present invention provides the following technical scheme that
A kind of dual power supply arc-control device comprising: power transmission mechanism, arc extinguishing chamber component, linkage mechanism and connecting copper bar
Two shafts are fixedly mounted in the front side wall top of group, the power transmission mechanism, and multiple institutes are fixedly mounted in two shafts
Arc extinguishing chamber component is stated, mutually fixation is spirally connected multiple arc extinguishing chamber components by standing screw, is fixedly mounted in two shafts
Multiple linkage mechanisms, the linkage mechanism include kinetic insulation part, shaft coupling, connection contact, dynamic contact silver point position and quiet
Silver point position is contacted, the shaft coupling, the fixed peace of the bottom right of the shaft coupling is fixedly mounted in the bottom of the kinetic insulation part
Fill the connection contact, the bottom left of the shaft coupling is fixedly mounted the dynamic contact silver point position, the chamber housing it is interior
The third connecting copper bar, the fixed peace of the top center position and right-hand end of the third connecting copper bar is fixedly mounted in wall bottom
The quiet contact silver point position is filled, the inner wall bottom right side of the chamber housing is fixedly installed with the second connecting copper bar, the chamber
The first connecting copper bar is fixedly installed with above the inner wall of shell.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: the arc extinguishing chamber component includes
The left arc extinguishing is fixedly mounted in the inner wall left side of chamber housing, left arc-chutes, right arc-chutes and multi-break, the chamber housing
Room, is fixedly mounted the right arc-chutes on the right side of the inner wall of the chamber housing, the left arc-chutes and the right arc-chutes it is interior
The multi-break is fixedly mounted in wall.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: the dynamic contact silver point position with
Quiet contact silver point position described in bottom is in mating connection.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: first connecting copper bar, institute
The outboard end for stating the second connecting copper bar and the third connecting copper bar is bolted with hexagon socket head cap screw.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: left arc-chutes and described
Multiple air holes are uniformly offered on right arc-chutes, the diameter of multiple air holes is identical.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: the power transmission mechanism
Top is fixedly installed with controller, and the inner wall bottom of the power transmission mechanism is fixedly installed with motor, the controller and institute
Electrical connection of motor is stated, the controller is PLC controller, and the motor is stepper motor.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: the multi-break is provided with more
It is a, the front and rear sides wall clamping of multiple multi-breaks and the left arc-chutes or right arc-chutes.
A kind of preferred embodiment as dual power supply arc-control device of the present invention, in which: the power transmission mechanism
Two gag lever posts are fixedly mounted above front side wall, the top of two gag lever posts is connected with limit cutting ferrule.
Compared with prior art: first with the rotation of power transmission mechanism control shaft, driving gear using shaft
The operating of structure, the kinetic insulation part on linkage mechanism are mutually closed or disconnect with the quiet contact silver point position in third connecting copper bar,
The effect for realizing opening and closing increases the space of installation arc-chutes, so that arc extinguishing chamber device has been obtained very big development space, avoid
Because arc-chutes caused by excessive electrical discharge arc are burnt or puncture short problem, being changed to originally with the different direction arc quenching method of chamber
The different equidirectional arc quenching method of chamber, two independent part arc-control devices division of labor work, increases the space in spark chamber, widens
The selection of arc-control device solves equipment quickly and effectively when arcing occurs.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of embodiment of the present invention, below in conjunction with attached drawing and detailed embodiment
The present invention is described in detail, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, right
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
Other attached drawings.Wherein:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is front view of the invention；
Fig. 3 is schematic diagram of internal structure of the present invention；
Fig. 4 is left view of the invention；
Fig. 5 is right view of the invention.
In figure: 100 power transmission mechanisms, 110 shafts, 120 standing screws, 200 arc extinguishing chamber components, 210 chamber housings,
220 left arc-chutes, 230 right arc-chutes, 240 multi-breaks, 300 linkage mechanisms, 310 kinetic insulation parts, 320 shaft couplings, 330 connections
Contact, 340 dynamic contact silver point positions, 350 quiet contact silver point positions, 400 connecting copper bar groups, 410 first connecting copper bars, 420 second connect
Connect copper bar, 430 third connecting copper bars, 500 gag lever posts, 510 limit cutting ferrules.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, combination schematic diagram of the present invention is described in detail, when embodiment of the present invention is described in detail, for purposes of illustration only,
Indicate that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, herein not
The scope of protection of the invention should be limited.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Mode is described in further detail.
The present invention provides a kind of dual power supply arc-control device, increases the space of installation arc-chutes, obtains arc extinguishing chamber device
Very big development space, arc-chutes caused by avoiding because of excessive electrical discharge arc are burnt or puncture short problem, original same
The different direction arc quenching method of chamber is changed to the equidirectional arc quenching method of different chamber, and two independent part arc-control devices division of labor work increase
The space in spark chamber is added, has widened the selection of arc-control device, has made equipment quickly and effectively solve when arcing occurs, ask
Refering to fig. 1, power transmission mechanism 100, arc extinguishing chamber component 200, linkage mechanism 300 and connecting copper bar group 400；
Fig. 1 and Fig. 2 are please referred to, power transmission mechanism 100 has shaft 110 and standing screw 120, specifically, described dynamic
Fixed delivery connects two shafts 110 above the front side wall of force transmission mechanism 100, is fixedly mounted four in two shafts 110
A arc extinguishing chamber component 200, four arc extinguishing chamber components 200 are spirally connected by the fixation of 120 phase of standing screw, and the power passes
The top of transfer mechanism 100, which is bolted, is equipped with controller, and the inner wall bottom of the power transmission mechanism 100 passes through bolt
It is fixedly installed with motor, the controller and the electrical connection of motor, the controller is PLC controller, and the motor is
Stepper motor, power transmission mechanism 100 is for being fixedly mounted arc extinguishing chamber component 200 and gag lever post 500；
Fig. 1-Fig. 5 is please referred to, arc extinguishing chamber component 200 has chamber housing 210, left arc-chutes 220,230 and of right arc-chutes
Multi-break 240, arc extinguishing chamber component 200 are mounted on the front side wall of power transmission mechanism 100, specifically, the chamber housing 210
It is fixed on the left of inner wall to be clamped the left arc-chutes 220, it is fixed on the right side of the inner wall of the chamber housing 210 and is clamped the right arc-chutes
230, the multi-break 240, the multi-break is fixedly mounted in the inner wall of the left arc-chutes 220 and the right arc-chutes 230
240 are provided with eight, the front and rear sides wall card of eight multi-breaks 240 and the left arc-chutes 220 or right arc-chutes 230
It connects, multiple air holes, multiple air holes is uniformly offered on the left arc-chutes 220 and the right arc-chutes 230
The identical arc extinguishing chamber component 200 of diameter for connecting copper bar group 400 to be fixedly mounted；
Referring to Fig. 1-Fig. 3, linkage mechanism 300 have kinetic insulation part 310, shaft coupling 320, connection contact 330,
Dynamic contact silver point position 340 and quiet contact silver point position 350, linkage mechanism 300 is mounted in shaft 110, specifically, the power is exhausted
The shaft coupling 320 is fixedly mounted in the bottom of edge part 310, and the connection touching is fixedly mounted in the bottom right of the shaft coupling 320
First 330, the bottom left of the shaft coupling 320 is fixedly mounted the dynamic contact silver point position 340, the chamber housing 210 it is interior
Wall bottom is bolted the installation third connecting copper bar 430, the top center position of the third connecting copper bar 430 and
Right-hand end is bolted the installation quiet contact silver point position 350, and the dynamic contact silver point position 340 connects with quiet described in bottom
It is in mating connection to touch silver point position 350, four linkage mechanisms 300 are fixedly mounted in two shafts 110；
Referring to Fig. 1-Fig. 2, connecting copper bar group 400 has the first connecting copper bar 410,420 and of the second connecting copper bar
Third connecting copper bar 430, connecting copper bar group 400 are fixedly mounted on arc extinguishing chamber component 200, specifically, the chamber housing 210
Inner wall bottom right side be bolted the second connecting copper bar 420 be installed, it is fixed above the inner wall of the chamber housing 210
Bolt is fixedly installed with the first connecting copper bar 410, and the inner wall bottom fixing bolt of the chamber housing 210 is fixedly mounted described the
Three connecting copper bars 430, the top center position and right-hand end of the third connecting copper bar 430 are bolted described in installation
Quiet contact silver point position 350, first connecting copper bar 410, second connecting copper bar 420 and the third connecting copper bar 430
Outboard end be bolted with hexagon socket head cap screw；
Referring to Fig. 1, gag lever post 500 has limit cutting ferrule 510, and gag lever post 500 is mounted on power transmission mechanism 100
Front side wall, specifically, the power transmission mechanism 100 front side wall above be fixedly mounted two gag lever posts 500, described in two
The top of gag lever post 500 is connected with limit cutting ferrule 510.
In the specific use process, of the invention during use first with power transmission mechanism 100 when needing
The rotation for controlling shaft 110 drives the operating of linkage mechanism 300, the kinetic insulation part on linkage mechanism 300 using shaft 110
310 are closed or disconnect with 350 phase of quiet contact silver point position in third connecting copper bar 430, realize the effect of opening and closing.
Above-mentioned arc extinguishing chamber component 200, multi-break 240 and air hole is not limited in the specific number of the present embodiment record
Amount, those skilled in the art can according to need under the premise of the present apparatus can complete its agitating function and increase or decrease its number
Amount.
Although hereinbefore invention has been described by reference to embodiment, model of the invention is not being departed from
In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing
Various features in structural conflict, presently disclosed embodiment can be combined with each other by any way and be made
With not carrying out the description of exhaustive to the case where these combinations in the present specification and length and economize on resources merely for the sake of omitting
The considerations of.Therefore, the invention is not limited to particular implementations disclosed herein, but including falling into the scope of the claims
Interior all technical solutions.
Claims (8)
1. a kind of dual power supply arc-control device characterized by comprising power transmission mechanism (100), arc extinguishing chamber component (200), connection
Motivation structure (300) and connecting copper bar group (400), the front side wall top of the power transmission mechanism (100) are fixedly mounted two and turn
Multiple arc extinguishing chamber components (200), multiple arc extinguishing chamber components are fixedly mounted on two shafts (110) in axis (110)
(200) by standing screw (120), mutually fixation is spirally connected, and multiple linkage mechanisms are fixedly mounted on two shafts (110)
(300), the linkage mechanism (300) includes kinetic insulation part (310), shaft coupling (320), connection contact (330), dynamic contact silver
The shaft coupling is fixedly mounted in the bottom of point (340) and quiet contact silver point position (350), the kinetic insulation part (310)
(320), the connection contact (330), the bottom of the shaft coupling (320) is fixedly mounted in the bottom right of the shaft coupling (320)
It is fixedly mounted the dynamic contact silver point position (340) on the left of portion, the inner wall bottom fixed installation of the chamber housing (210) described the
Described quiet connect is fixedly mounted in three connecting copper bars (430), the top center position and right-hand end of the third connecting copper bar (430)
It touches silver point position (350), the inner wall bottom right side of the chamber housing (210) is fixedly installed with the second connecting copper bar (420), described
The first connecting copper bar (410) are fixedly installed with above the inner wall of chamber housing (210).
2. a kind of dual power supply arc-control device according to claim 1, which is characterized in that arc extinguishing chamber component (200) packet
Chamber housing (210), left arc-chutes (220), right arc-chutes (230) and multi-break (240) are included, the chamber housing (210)
The left arc-chutes (220) are fixedly mounted on the left of inner wall, the right side is fixedly mounted on the right side of the inner wall of the chamber housing (210) and goes out
The multi-break is fixedly mounted in the inner wall of arc chamber (230), the left arc-chutes (220) and the right arc-chutes (230)
(240)。
3. a kind of dual power supply arc-control device according to claim 1, which is characterized in that the dynamic contact silver point position (340)
It is in mating connection with quiet contact silver point position (350) described in bottom.
4. a kind of dual power supply arc-control device according to claim 1, which is characterized in that first connecting copper bar (410),
The outboard end of second connecting copper bar (420) and the third connecting copper bar (430) is bolted with hexagon socket head cap screw.
5. a kind of dual power supply arc-control device according to claim 1, which is characterized in that the left arc-chutes (220) and institute
It states and uniformly offers multiple air holes on right arc-chutes (230), the diameter of multiple air holes is identical.
6. a kind of dual power supply arc-control device according to claim 1, which is characterized in that the power transmission mechanism (100)
Top be fixedly installed with controller, the inner wall bottom of the power transmission mechanism (100) is fixedly installed with motor, the control
Device and the electrical connection of motor, the controller are PLC controller, and the motor is stepper motor.
7. a kind of dual power supply arc-control device according to claim 1, which is characterized in that the multi-break (240) is provided with
It is multiple, the front and rear sides wall clamping of multiple multi-breaks (240) and the left arc-chutes (220) or right arc-chutes (230).
8. a kind of dual power supply arc-control device according to claim 1, which is characterized in that the power transmission mechanism (100)
Front side wall above be fixedly mounted two gag lever posts (500), the top of two gag lever posts (500) is connected with limit cutting ferrule
(510)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925491.3A CN110517913A (en) | 2019-09-27 | 2019-09-27 | A kind of dual power supply arc-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925491.3A CN110517913A (en) | 2019-09-27 | 2019-09-27 | A kind of dual power supply arc-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110517913A true CN110517913A (en) | 2019-11-29 |
Family
ID=68632612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910925491.3A Pending CN110517913A (en) | 2019-09-27 | 2019-09-27 | A kind of dual power supply arc-control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110517913A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944728A (en) * | 1982-09-06 | 1984-03-13 | 三菱電機株式会社 | Power switching device |
| CN101145468A (en) * | 2007-07-27 | 2008-03-19 | 浙江正泰电器股份有限公司 | Automatic switching switch adopting permanent-magnet operation device |
| CN102354638A (en) * | 2011-07-21 | 2012-02-15 | 安徽鑫龙电器股份有限公司 | Dual-power automatic transfer switch and overload and short-circuit protection method thereof |
| CN104992859A (en) * | 2015-07-24 | 2015-10-21 | 北京明日电器设备有限责任公司 | Contact arc extinguishing system for dual-power supply automatic transfer switch |
| CN204884948U (en) * | 2015-09-14 | 2015-12-16 | 北京明日电器设备有限责任公司 | Two power automatic transfer switch's arc extinguishing system |
| CN205303242U (en) * | 2015-12-24 | 2016-06-08 | 江苏远泰电器有限公司 | Novel take two power automatic transfer switch of excitation integral type of explosion chamber |
| CN205487792U (en) * | 2016-02-04 | 2016-08-17 | 北京明日电器设备有限责任公司 | Change -over switch |
| CN207818425U (en) * | 2018-03-03 | 2018-09-04 | 浙江阿尔斯通电气有限公司 | Double power supply automatic transfer switch |
| CN109326470A (en) * | 2018-11-20 | 2019-02-12 | 北京明日电器设备有限责任公司 | A kind of bridge-type moving contact double power supply automatic transfer switch |
-
2019
- 2019-09-27 CN CN201910925491.3A patent/CN110517913A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944728A (en) * | 1982-09-06 | 1984-03-13 | 三菱電機株式会社 | Power switching device |
| CN101145468A (en) * | 2007-07-27 | 2008-03-19 | 浙江正泰电器股份有限公司 | Automatic switching switch adopting permanent-magnet operation device |
| CN102354638A (en) * | 2011-07-21 | 2012-02-15 | 安徽鑫龙电器股份有限公司 | Dual-power automatic transfer switch and overload and short-circuit protection method thereof |
| CN104992859A (en) * | 2015-07-24 | 2015-10-21 | 北京明日电器设备有限责任公司 | Contact arc extinguishing system for dual-power supply automatic transfer switch |
| CN204884948U (en) * | 2015-09-14 | 2015-12-16 | 北京明日电器设备有限责任公司 | Two power automatic transfer switch's arc extinguishing system |
| CN205303242U (en) * | 2015-12-24 | 2016-06-08 | 江苏远泰电器有限公司 | Novel take two power automatic transfer switch of excitation integral type of explosion chamber |
| CN205487792U (en) * | 2016-02-04 | 2016-08-17 | 北京明日电器设备有限责任公司 | Change -over switch |
| CN207818425U (en) * | 2018-03-03 | 2018-09-04 | 浙江阿尔斯通电气有限公司 | Double power supply automatic transfer switch |
| CN109326470A (en) * | 2018-11-20 | 2019-02-12 | 北京明日电器设备有限责任公司 | A kind of bridge-type moving contact double power supply automatic transfer switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2016146333A (en) | Switching device including permanent magnet arc-suppressing means | |
| JP2001292512A (en) | Three-throw electric switch having switching element movable in axial direction | |
| RU2361345C2 (en) | Sf6-gas insulated switchgear | |
| CN110517913A (en) | A kind of dual power supply arc-control device | |
| US11348748B2 (en) | Switch device | |
| US20190252139A1 (en) | Electrical interruption device | |
| JP2009158319A (en) | Arc-extinguishing device of circuit breaker | |
| WO2016031327A1 (en) | High-speed contact device and switchgear equipped with same | |
| JP7352658B2 (en) | A fuse that ruptures the fusible material by blowing or cutting by mechanical force. | |
| CN117095963A (en) | Switch unit and switch electric appliance | |
| CN213691894U (en) | High-capacity relay with auxiliary contact isolation mechanism | |
| JP3102687B2 (en) | Cells for medium or high pressure metal cladding stations and stations made with such cells | |
| JP4786825B2 (en) | Drive rod for high voltage circuit breaker | |
| US2875302A (en) | Circuit interrupter | |
| US2284658A (en) | Gas blast electric circuit breaker | |
| US20210313128A1 (en) | Arc extinguishing device and circuit breaker provided with same | |
| WO2022134743A1 (en) | Switch | |
| CN101479902B (en) | Heavy-duty circuit breaker with a housing | |
| CN217009032U (en) | GIS double-break isolating switch | |
| CN209708929U (en) | The contact system of low-voltage circuit breaker | |
| CN220873512U (en) | Mechanism for reinforcing arc striking | |
| WO2024017044A1 (en) | Switch unit, isolating switch and power supply system | |
| WO2019073671A1 (en) | Gas circuit breaker | |
| EP1119009A1 (en) | Vacuum switch and vacuum switch gear | |
| KR20090072577A (en) | Gas insulated switchgear |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |