CN202034297U - Outdoor high-pressure permanent-magnet vacuum circuit breaker - Google Patents
Outdoor high-pressure permanent-magnet vacuum circuit breaker Download PDFInfo
- Publication number
- CN202034297U CN202034297U CN2011200683132U CN201120068313U CN202034297U CN 202034297 U CN202034297 U CN 202034297U CN 2011200683132 U CN2011200683132 U CN 2011200683132U CN 201120068313 U CN201120068313 U CN 201120068313U CN 202034297 U CN202034297 U CN 202034297U
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- insulating sleeve
- permanent magnet
- outdoor high
- vacuum circuit
- fixed
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Abstract
The utility model relates to an outdoor high-pressure permanent-magnet vacuum circuit breaker, belonging to the electrical equipment technology field. The outdoor high-pressure permanent-magnet vacuum circuit breaker comprises a vacuum arc extinguish chamber, an upper insulating sleeve, a lower insulating sleeve and a permanent magnetic mechanism. The lower insulating sleeve is fixed on a box body, the vacuum arc extinguish chamber is arranged in the upper insulating sleeve, and a static contact and a movable contact both are located in the vacuum arc extinguish chamber and the static contact is located above the movable contact. The static contact is in electrical connection with an upward incoming line, the movable contact is in electrical connection with a downward outgoing line, and the upper end of an insulating pull rod located in the lower insulating sleeve is connected with the movable contact. The permanent magnetic mechanism is arranged in the box body, an iron core of the permanent magnetic mechanism is fixed with a driving rod to become one, and the upper end of the driving rod is connected with the lower end of the insulating pull rod via a slipknot mechanism.
Description
Technical field
The utility model relates to a kind of outdoor high-voltage permanent magnetism vacuum circuit-breaker, belongs to the technical field of electric equipment.
Background technology
The primary cut-out of existing 40.5kV, all adopt spring operating mechanism or electromagnetic mechanism, because the volume of these two kinds of mechanisms is big, movable member is many, and mechanical drive train is loaded down with trivial details, make because the switch fault rate that operating mechanism causes is very high, so the reliability of sleeve mechanism is low, the maintenance rate height, and also noise is big, electric energy consumption is big, the switch heaviness.The vacuum circuit-breaker of present identical electric pressure condensation phenomenon between fracture internal surface of sleeve pipe and vacuum interrupter happens occasionally, and causing in some cases, circuit breaker can not normally cut-off.
Summary of the invention
The utility model purpose is to provide a kind of volume little, the operating reliability height, and moving component is few, good seal performance, the outdoor high-voltage permanent magnetism vacuum circuit-breaker that transports and install be convenient in light weight.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: it comprises vacuum interrupter, last insulating sleeve, following insulating sleeve and permanent magnet mechanism, following insulating sleeve is fixed on the casing, described vacuum interrupter is contained in the insulating sleeve, fixed contact and moving contact all are positioned at the top that the indoor and fixed contact of vacuum extinction is positioned at moving contact, fixed contact and last inlet wire are electrically connected, moving contact and following outlet are electrically connected, being positioned at down, the upper end of the insulated tension pole of insulating sleeve links to each other with moving contact, in the described casing permanent magnet mechanism is installed, the iron core and the drive rod of described permanent magnet mechanism are fixed as one, and the upper end of drive rod links to each other by slip-knot mechanism with the lower end of insulated tension pole.The utility model volume is little, and is in light weight, and moving component is few, reliability height, advantages such as life-span length.
As preferably, described slip-knot mechanism is: be close in the described casing that the position of drive rod upper end is pivotally connected a main shaft, one end of main connecting lever and drive rod upper end are hinged, the other end and the main shaft of main connecting lever are fixed, one end of secondary connecting lever and the lower end of insulated tension pole are hinged, and the other end and the main shaft of secondary connecting lever are fixed.Main shaft is installed in the hermetic mechanism casing by four bearing pedestals, can guarantee their same Qi Du and distortion power like this.
As preferably, thereby be filled with the generation that solid-state silica gel can effectively prevent the condensation phenomenon between the shell of the described inwall of going up insulating sleeve and vacuum interrupter.
As preferably, described permanent magnet mechanism comprises shell, be coaxially arranged with closing coil and switching winding in the described shell, described iron core is coaxial to be provided with in switching winding and the closing coil, the switching winding lower end is provided with annular permanent magnet, the center magnetic line of force that the described annular permanent magnet center magnetic line of force and switching winding get electric generation in the same way, the upper end of shell is provided with the magnetic conduction base plate, the lower end of shell is provided with down the magnetic conduction base plate, and the close position of insulating sleeve lower end down of insulated tension pole is arranged with and makes insulated tension pole have the compression spring of the trend of moving downward.
As preferably, be connected with manual switching-off device on the described main shaft.
Therefore, it is little to the utlity model has volume, the operating reliability height, and moving component is few, good seal performance, the characteristics such as transportation and installation of being convenient in light weight.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is that the utility model is in the permanent magnet mechanism structural representation that "on" position is;
Fig. 3 is that the utility model is in the permanent magnet mechanism structural representation that gate-dividing state is.
Specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, comprise vacuum interrupter 2, last insulating sleeve 3, following insulating sleeve 7 and permanent magnet mechanism 10, following insulating sleeve 7 is fixed on the casing 8, vacuum interrupter 2 is contained in the insulating sleeve 3, is filled with solid-state silica gel between the shell of the inwall of last insulating sleeve 3 and vacuum interrupter 2.Fixed contact 16 and moving contact 5 all are positioned at the top that vacuum interrupter 2 and fixed contact 16 are positioned at moving contact 5, fixed contact 16 and last inlet wire 1 are electrically connected, moving contact 5 and following outlet 4 are electrically connected, being positioned at down, the upper end of the insulated tension pole 6 of insulating sleeve 7 links to each other with moving contact 5, permanent magnet mechanism 10 is installed in the casing 8, as Fig. 2 and shown in Figure 3, permanent magnet mechanism 10 comprises shell 25, be coaxially arranged with closing coil 20 and switching winding 19 in the shell 25, iron core 21 coaxial settings in switching winding 19 and the closing coil 20, the lower end of switching winding 19 is provided with annular permanent magnet 24, the center magnetic line of force of annular permanent magnet 24 and switching winding 19 electric generation the center magnetic line of force in the same way, the upper end of shell 25 is provided with magnetic conduction base plate 18, the lower end of shell 25 is provided with down magnetic conduction base plate 22, as shown in Figure 1, the insulated tension pole 6 close positions of insulating sleeve 7 lower ends down are arranged with and make insulated tension pole have the compression spring 15 of the trend of moving downward, the iron core of permanent magnet mechanism and drive rod 11 are fixed as one, the lower end of the upper end of drive rod 11 and insulated tension pole 6 links to each other by slip-knot mechanism, 2 slip-knot mechanisms are: be close in the casing 8 that the position of drive rod 11 upper ends is pivotally connected a main shaft 9, one end and drive rod 11 upper ends of main connecting lever 12 are hinged, the other end of main connecting lever 12 and main shaft 9 welding are fixing, one end of secondary connecting lever 13 and the lower end of insulated tension pole 6 are hinged, the other end of secondary connecting lever 13 and main shaft 9 welding are fixing, are connected with manual switching-off device 17 on the main shaft 9.
The moving up and down of permanent magnet mechanism driven contacting of three-phase moving contact and fixed contact and disconnected the divide-shut brake assigned operation of finishing the user.Manual switching-off device 17 is in emergency circumstances the using of user's secondary control decompression or damage, as long as manual switching-off device is pulled down circuit breaker will assign to the separating brake position automatically, so just guaranteed safety on the circuit and user's loss.
Closing operation: when the utility model is in gate-dividing state, press switch knob as shown in Figure 2, closing coil 20 thereby the moving iron core 21 of electric promotion travels forward and drives insulated tension pole 6 moving contact 5 that promotes vacuum interrupter that moves upward and contact with fixed contact 16, moving simultaneously iron core 21 utilizes annular permanent magnet 24 to remain on closing position with last magnetic conduction end plate 18 adhesives, and the control of auxiliary switch cut-out simultaneously power supply has stopped the adhesive of closing coil and finished closing operation.
Sub-switching operation: when the utility model is in "on" position, press opening button as shown in Figure 3, switching winding 19 thereby electric back promotes moving iron core 21 in the other direction and move backward and drive insulated tension pole 6 and move downward the moving contact 5 and fixed contact 16 disconnections that promotes vacuum interrupter, compression spring 15 releases energy and remains on the separating brake position simultaneously, and the control of auxiliary switch cut-out simultaneously power supply has stopped the action of switching winding and finished sub-switching operation.
Claims (5)
1. outdoor high-voltage permanent magnetism vacuum circuit-breaker, comprise vacuum interrupter, last insulating sleeve, following insulating sleeve and permanent magnet mechanism, following insulating sleeve is fixed on the casing, it is characterized in that described vacuum interrupter is contained in the insulating sleeve, fixed contact and moving contact all are positioned at the top that the indoor and fixed contact of vacuum extinction is positioned at moving contact, fixed contact and last inlet wire are electrically connected, moving contact and following outlet are electrically connected, being positioned at down, the upper end of the insulated tension pole of insulating sleeve links to each other with moving contact, in the described casing permanent magnet mechanism is installed, the iron core and the drive rod of described permanent magnet mechanism are fixed as one, and the upper end of drive rod links to each other by slip-knot mechanism with the lower end of insulated tension pole.
2. outdoor high-voltage permanent magnetism vacuum circuit-breaker according to claim 1, it is characterized in that described slip-knot mechanism is: be close in the described casing that the position of drive rod upper end is pivotally connected a main shaft, one end of main connecting lever and drive rod upper end are hinged, the other end and the main shaft of main connecting lever are fixed, one end of secondary connecting lever and the lower end of insulated tension pole are hinged, and the other end and the main shaft of secondary connecting lever are fixed.
3. outdoor high-voltage permanent magnetism vacuum circuit-breaker according to claim 1 and 2 is characterized in that being filled with solid-state silica gel between the shell of the described inwall of going up insulating sleeve and vacuum interrupter.
4. outdoor high-voltage permanent magnetism vacuum circuit-breaker according to claim 1 and 2, it is characterized in that described permanent magnet mechanism comprises shell, be coaxially arranged with closing coil and switching winding in the described shell, described iron core is coaxial to be provided with in switching winding and the closing coil, the switching winding lower end is provided with annular permanent magnet, the center magnetic line of force that the described annular permanent magnet center magnetic line of force and switching winding get electric generation in the same way, the upper end of shell is provided with the magnetic conduction base plate, the lower end of shell is provided with down the magnetic conduction base plate, and the close position of insulating sleeve lower end down of insulated tension pole is arranged with and makes insulated tension pole have the compression spring of the trend of moving downward.
5. outdoor high-voltage permanent magnetism vacuum circuit-breaker according to claim 4 is characterized in that being connected with manual switching-off device on the described main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200683132U CN202034297U (en) | 2011-03-14 | 2011-03-14 | Outdoor high-pressure permanent-magnet vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200683132U CN202034297U (en) | 2011-03-14 | 2011-03-14 | Outdoor high-pressure permanent-magnet vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034297U true CN202034297U (en) | 2011-11-09 |
Family
ID=44896586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200683132U Expired - Fee Related CN202034297U (en) | 2011-03-14 | 2011-03-14 | Outdoor high-pressure permanent-magnet vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034297U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN104021976A (en) * | 2014-06-10 | 2014-09-03 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum circuit breaker |
| CN105006402A (en) * | 2015-07-23 | 2015-10-28 | 亚洲电力设备(深圳)股份有限公司 | Permanent-magnet vacuum circuit breaker switch |
| CN106716584A (en) * | 2014-09-12 | 2017-05-24 | Abb瑞士股份有限公司 | Vacuum interrupter pole for high pressure environment application |
| CN109119926A (en) * | 2018-10-22 | 2019-01-01 | 长园电力技术有限公司 | A kind of magneto quick-break type environmental protection gas-insulated ring network cabinet |
| CN109346373A (en) * | 2018-12-03 | 2019-02-15 | 福州天宇电气股份有限公司 | Three station high-pressure vacuum breakers and its working method |
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN112420441A (en) * | 2020-11-11 | 2021-02-26 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
| WO2022166531A1 (en) * | 2021-02-05 | 2022-08-11 | 安徽一天电气技术股份有限公司 | Circuit breaking mechanism and circuit breaker applying same |
-
2011
- 2011-03-14 CN CN2011200683132U patent/CN202034297U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN104021976A (en) * | 2014-06-10 | 2014-09-03 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum circuit breaker |
| CN104021976B (en) * | 2014-06-10 | 2016-05-25 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum breaker |
| CN106716584A (en) * | 2014-09-12 | 2017-05-24 | Abb瑞士股份有限公司 | Vacuum interrupter pole for high pressure environment application |
| US10049840B2 (en) | 2014-09-12 | 2018-08-14 | Abb Schweiz Ag | Pole part for high pressure environment application |
| CN105006402A (en) * | 2015-07-23 | 2015-10-28 | 亚洲电力设备(深圳)股份有限公司 | Permanent-magnet vacuum circuit breaker switch |
| CN105006402B (en) * | 2015-07-23 | 2018-06-26 | 亚洲电力设备(深圳)股份有限公司 | A kind of permanent magnetic vacuum breaker switch |
| CN109119926B (en) * | 2018-10-22 | 2023-11-28 | 长园电力技术有限公司 | Permanent magnet quick-break environment-friendly gas-insulated ring main unit |
| CN109119926A (en) * | 2018-10-22 | 2019-01-01 | 长园电力技术有限公司 | A kind of magneto quick-break type environmental protection gas-insulated ring network cabinet |
| CN109346373A (en) * | 2018-12-03 | 2019-02-15 | 福州天宇电气股份有限公司 | Three station high-pressure vacuum breakers and its working method |
| CN109346373B (en) * | 2018-12-03 | 2024-02-09 | 福州天宇电气股份有限公司 | Three-station high-voltage vacuum circuit breaker and working method thereof |
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN110233082B (en) * | 2019-06-27 | 2024-02-20 | 瑞熙恩电气（珠海）有限公司 | Permanent magnet vacuum circuit breaker and inflatable cabinet |
| CN112420441A (en) * | 2020-11-11 | 2021-02-26 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
| CN112420441B (en) * | 2020-11-11 | 2023-01-31 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
| WO2022166531A1 (en) * | 2021-02-05 | 2022-08-11 | 安徽一天电气技术股份有限公司 | Circuit breaking mechanism and circuit breaker applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20120314 |