CN202307671U - Permanent-magnet vacuum circuit breaker - Google Patents
Permanent-magnet vacuum circuit breaker Download PDFInfo
- Publication number
- CN202307671U CN202307671U CN2011204431963U CN201120443196U CN202307671U CN 202307671 U CN202307671 U CN 202307671U CN 2011204431963 U CN2011204431963 U CN 2011204431963U CN 201120443196 U CN201120443196 U CN 201120443196U CN 202307671 U CN202307671 U CN 202307671U
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- permanent magnet
- connecting lever
- assembly unit
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Abstract
The utility model relates to low-voltage power supply and distribution devices and especially relates to a permanent-magnet vacuum circuit breaker. The utility model relates to the technical field of low-voltage electric devices. In the utility model, an air arc extinguish chamber of a traditional circuit breaker is replaced with a vacuum arc extinguish chamber, a spring operation mechanism is replaced with a permanent magnet mechanism, and a box-type steel plate frame is adopted as a component installing body. Thus, the mechanical lifetime, the electric lifetime and the reliability of the permanent-magnet vacuum circuit breaker are improved substantially. And the permanent-magnet vacuum circuit breaker becomes suitable for operating frequently and using in occasions having explosion threats. A prior air circuit breaker can not be used or is suitable for using in the occasions having the explosion threats.
Description
Technical field
The utility model relates to the low voltage electrical apparatus technology field, particularly a kind of permanent magnet type vacuum circuit-breaker.
Background technology
Traditional low-voltage circuit breaker, how with air as cut-offfing arc-extinguishing medium, specified short circuit interruption number of times is few; Machinery and electrical endurance are low, and its operating mechanism adopts bullet behaviour type, complex structure more; The parts sum is many, and movement parts and sliding friction surface are also many, and how at key position; In the long-time running process, the abrasion of these parts, corrosion and bleeding of lubricant, curing etc. all can cause operate miss.
The utility model content
The purpose of the utility model is to solve the deficiency that exists in the above-mentioned technology, a kind of short circuit interruption is provided often, and the arc extinguishing ability is strong, long service life, the magneto low-voltage vacuum circuit breaker that reliability is high.
In order to achieve the above object, the technical scheme of the utility model is following: a kind of permanent magnet type vacuum circuit-breaker comprises permanent magnet mechanism; The permanent magnet mechanism driver, intelligent controller, storage capacitor; Insulated tension pole, drawout chassis reach by upper and lower outlet board, vacuum interrupter; Conductive clip, the main conductive circuit that is flexible coupling and forms adopts box-type steel plate framework structure for main body is installed; Two parts before and after being separated into main conductive circuit and secondary control loop and actuating parts by bent plate, its middle front part is separated into each phase installation room of main conductive circuit by insulation board again, the two ends of insulation dagger and upper sealing plate, bent plate bottom bolt; The both ends of the surface of last cross-over block respectively with upper sealing plate, go up the outlet board bolt, the both ends of the surface of following cross-over block respectively with following outlet board, bent plate bottom bolt, the location-plate that insulate is enclosed within on the moving guide rod locating ring of vacuum interrupter and is fixed on the sidewall of bent plate; The rear portion of box-type steel plate framework is separated into the relatively independent intelligent controller assembly unit that is mutually related again, permanent magnet mechanism assembly unit by mechanism's dividing plate, mechanism's seat board with back shrouding 0 side plate, base plate; The storage capacitor assembly unit, permanent magnet mechanism driver assembly unit, driving-chain assembly unit.At the corresponding assembling components and parts of these assembly units.The delivery dolly carries the box-type steel plate framework and cooperates with drawout chassis and shake the operation that forward and back goes out.
Above-mentioned driving-chain assembly unit, master drive the main connecting lever that drives of splined shaft socket and are installed on mechanism's dividing plate; The connector of permanent magnet mechanism drives the connecting lever straight pin with the master and is connected; Main splined shaft socket phase-splitting connecting lever, main shaft connecting lever are installed on the spindle carrier between bent plate bottom and the base plate; Insulated tension pole is connected with phase-splitting connecting lever straight pin, and connecting plate drives connecting lever with the master, main shaft connecting lever straight pin is connected.
Description of drawings
Fig. 1 is the cut-away view of box-type steel plate framework.
Fig. 2 is a box-type steel plate framework rear portion diagrammatic sketch.
Fig. 3 is a magneto low-voltage vacuum circuit breaker rear view.
Fig. 4 is a magneto low-voltage vacuum circuit breaker cutaway view.
Embodiment
As scheme l, Fig. 2, Fig. 3, Fig. 4, and two parts before and after the casing steel plate framework is separated into by bent plate 71, its middle front part is separated into the installation room of each phase of main conductive circuit again by insulation board 8, to improve dielectric strength, prevent alternate striking.The two ends of insulation dagger 9 respectively with the bottom bolt of upper sealing plate 72, bent plate 7l, make the stress surface of upper sealing plate 72 resolve into each phase force area and form rigid body, when receiving the impulsive force of closing operation and deformation do not take place.Outlet board 51,52 up and down, vacuum interrupter 53, and conductive clip 54,55 composition main conductive circuits are flexible coupling.Its linkage editor is; Last outlet board 51 and last cross-over block 10 are by being fixed on after the bolted on the upper sealing plate 71; The moving guide rod locating ring 531 of vacuum interrupter 53 is inserted in the location hole of insulation location-plate 12, be fastened on conductive clip 54 on the moving guide rod 532, insulated tension pole 6 with put into each installation room mutually after moving guide rod 532 is threaded; Last outlet board 51 is fastening with vacuum interrupter 53 screws; Insulation location-plate 12 is fastening with the sidewall screw of bent plate 71, and following cross-over block 1l is fixed on the bottom of bent plate 71 after fastening with following outlet board 52 screws, and 55 the two ends of being flexible coupling are fastening with conductive clip 54, time outlet board 52 screws respectively.The rear portion of box-type steel plate framework is by mechanism's dividing plate 73; Mechanism's seat board 74 and back shrouding 75, side plate 76, base plate 77 are separated into the relatively independent interrelated intelligent controller assembly unit I that installs, overhaul be convenient to; Permanent magnet mechanism assembly unit II, storage capacitor assembly unit III, permanent magnet mechanism driver assembly unit IV; Driving-chain assembly unit V, and corresponding assembling parts.Driving-chain assembly unit V; Main be installed on mechanism's dividing plate 73 after driving that splined shaft 14 sockets are main and driving connecting lever 14l; Permanent magnet mechanism connector 13 is connected with main connecting lever 141 straight pins; Main splined shaft 15 socket phase-splitting connecting levers 151, main shaft connecting lever 152 are installed on the spindle carrier 153 between bent plate 7l bottom and the base plate 76, and insulated tension pole 6 is connected with phase-splitting connecting lever 151 straight pins, connecting plate 154 with mainly drive connecting lever 14l, main shaft connecting lever 152 straight pins are connected.GB 14048.2 points out, that the low-voltage circuit breaker mounting means can be divided into is fixed, plug-in type and drawer type.At present commonly used be mostly drawer type, circuit breaker needs cooperate with drawout chassis.The utility model box-type steel plate framework is sitting on the delivery dolly l 8, with during drawout chassis 16 cooperates, adopt the rolling friction mode substitute traditional sliding friction mode make operate more laborsaving, more steady.
Claims (2)
1. a permanent magnet type vacuum circuit-breaker comprises permanent magnet mechanism (1), permanent magnet mechanism driver (2); Intelligent controller (3), storage capacitor (4), insulated tension pole (6); Drawout chassis (16), and by upper and lower outlet board (51,52), vacuum interrupter (53); Conductive clip (54), the main conductive circuit that be flexible coupling (55) are formed is characterized in that: two parts before and after the box-type steel plate framework is separated into by bent plate (71); Its middle front part is separated into each phase installation room of main conductive circuit by insulation board (8) again, the both ends of the surface of insulation dagger (9) respectively with upper sealing plate (72), bent plate (71) bottom bolt, the both ends of the surface of last cross-over block (10) respectively with upper sealing plate (72), last outlet board (51) bolt; The both ends of the surface of following cross-over block (11) respectively with following outlet board (52), bent plate (71) bottom bolt; Insulation location-plate (12) is enclosed within the moving guide rod locating ring (531) of vacuum interrupter (53) and goes up and be fixed on the sidewall of bent plate (71), and the rear portion of box-type steel plate framework is separated into intelligent controller assembly unit (I), permanent magnet mechanism assembly unit (II) by mechanism's dividing plate (73), mechanism's seat board (74) with back shrouding (75), side plate (76), base plate (77); Storage capacitor assembly unit (III); Permanent magnet mechanism driver assembly unit (IV), driving-chain assembly unit (V), delivery dolly (18) carry the box-type steel plate framework and cooperate with drawout chassis (16) and shake the operation that forward and back goes out.
2. according to the described a kind of permanent magnet type vacuum circuit-breaker of claim l; It is characterized in that: driving-chain assembly unit (V); Main be installed on mechanism's dividing plate (73) after driving that splined shaft (14) socket is main and driving connecting lever (141); Permanent magnet mechanism connector (13) drives connecting lever (141) straight pin with the master and is connected; Main splined shaft (15) socket phase-splitting connecting lever (151), main shaft connecting lever (152) are installed on the spindle carrier (153) that is positioned between bent plate (71) bottom and the base plate (77), and insulated tension pole (6) is connected with phase-splitting connecting lever (15 1) straight pin, and connecting plate (154) drives connecting lever (141) with the master, main shaft connecting lever (152) straight pin is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204431963U CN202307671U (en) | 2011-11-10 | 2011-11-10 | Permanent-magnet vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204431963U CN202307671U (en) | 2011-11-10 | 2011-11-10 | Permanent-magnet vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307671U true CN202307671U (en) | 2012-07-04 |
Family
ID=46376514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204431963U Expired - Fee Related CN202307671U (en) | 2011-11-10 | 2011-11-10 | Permanent-magnet vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597915A (en) * | 2018-04-28 | 2018-09-28 | 福建中能电气有限公司 | A kind of conducting heavy current structure |
| CN109841450A (en) * | 2017-11-28 | 2019-06-04 | 天津平高智能电气有限公司 | A kind of breaker and its frame |
-
2011
- 2011-11-10 CN CN2011204431963U patent/CN202307671U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841450A (en) * | 2017-11-28 | 2019-06-04 | 天津平高智能电气有限公司 | A kind of breaker and its frame |
| CN109841450B (en) * | 2017-11-28 | 2021-06-01 | 天津平高智能电气有限公司 | Circuit breaker and frame thereof |
| CN108597915A (en) * | 2018-04-28 | 2018-09-28 | 福建中能电气有限公司 | A kind of conducting heavy current structure |
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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: 20120704 Termination date: 20121110 |