CN2874743Y - Electromagnetic operation permanent magnet keeping operation mechanism - Google Patents
Electromagnetic operation permanent magnet keeping operation mechanism Download PDFInfo
- Publication number
- CN2874743Y CN2874743Y CN 200520029413 CN200520029413U CN2874743Y CN 2874743 Y CN2874743 Y CN 2874743Y CN 200520029413 CN200520029413 CN 200520029413 CN 200520029413 U CN200520029413 U CN 200520029413U CN 2874743 Y CN2874743 Y CN 2874743Y
- Authority
- CN
- China
- Prior art keywords
- magnetic yoke
- iron core
- yoke
- permanent magnet
- coil
- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Electromagnets (AREA)
Abstract
The utility model relates to the field of high, medium and low-voltage electric switches, which is an operation mechanism with features of electromagnetic operation and permanent magnet retaining, and comprises a magnetic yoke body of an upper magnetic yoke, a lower magnetic yoke, an inner magnetic yoke and an outer magnetic yoke. A permanent magnet is arranged between the outer magnetic yoke and the inner magnetic yoke. A coil is arranged in the outer magnetic yoke and a movable iron core, and the iron core is arranged in the center of the coil. Release springs are arranged in the convex cavity of top end face of the lower magnetic yoke and bottom end face of the movable iron core. A manual release device is arranged on the top end face of the mechanism. The problem is resolved that of rotary force is minimum under the effect of the coil electromagnetic field for the movable iron core in technologies, but the axial operation force is bigger. Steps are arranged on inner cylinder face of the outer magnetic yoke. A flange is arranged on external cylinder face of the inner magnetic yoke. Free position can be ensured in assembling. The utility model has the advantages of small volume, high driving shaft output force, high rate of finished products in element manufacturing, being simple and reasonable structure, for which it can provide sufficient conditions for minimization of electric switches.
Description
Technical field
The utility model relates to high, medium and low voltage electric switch field, is the permanent-magnet manipulating mechanism that a kind of electromagnetism actuating, permanent magnetism keep.
Background technology
Electromagnetism actuating, permanent magnet keeping operation mechanism are simple in structure with it, parts are few, advantage such as reliability height, production cost are low and being widely used in the high, medium and low voltage electric power system.Disclosed at present permanent magnet mechanism Chinese patent has ZL00200601.4, ZL00250287.9, ZL200420011813.2, etc. multinomial patent, parts and structure that it adopts are basic identical, mainly emit by the power transmission shaft top, eccentric wheel, bearing, the manual brake separating rotating shaft, back-moving spring, alignment pin, spacer pin, upper magnet yoke, outer yoke, permanent magnet, inner yoke, coil, moving iron core, tripping spring, lower yoke and power transmission shaft constitute, upper magnet yoke wherein, outer yoke, lower yoke is connected, inner yoke, be provided with permanent magnet between the outer yoke, in outer yoke, inner yoke, moving iron core, be provided with coil in the cavity that lower yoke forms, moving iron core places the center of coil, power transmission shaft adopts with moving iron core and is threaded, tripping spring places among the formed cavity of concave surface of moving iron core and lower yoke, the power transmission shaft top emits with power transmission shaft and is threaded, and these patented technologies also exist a lot of defectives in manufacturing process and practical application:
(1). outer yoke, permanent magnet adopts the non-magnet material riveting pin to fix between the inner yoke, and this method manufacturing process complexity can not freely cooperate between the three, mechanical parts requirement on machining accuracy height.
(2). moving iron core adopts silicon steel sheet, makes complexity, the cost height; The employing mild steel that has processes, though this method is processing easily, cost is low, but because the moving integrated making of iron core can produce very big eddy current under the effect of electromagnetic field, this eddy current and electromagnetic field interact, make iron core produce a revolving force, this revolving force has decomposed the axial motion power of most of moving iron core, causes moving iron mandrel to reduce to movement velocity, and influences the divide-shut brake speed of electric switch.
(3), do not have manual switching-off device, when electromagnetism actuating line fault, can't cut off switch.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defective to provide a kind of rational in infrastructure, makes simply, and volume is little, cost is low, and moving iron core movement velocity is fast, highly reliable, a kind of electromagnetism actuating of long-life, permanent magnetism maintaining body, the purpose of this utility model is realized by following scheme;
1. circle being provided with step in outer yoke top, and cylindrical is provided with boss in the inner yoke bottom, freely locatees when permanent magnet assembles in the cavity that the boss of the step of outer yoke and inner yoke forms, and injects binding agent then.
2. axially be arranged with groove at moving iron core cylindrical, to reduce eddy current.
3. above this mechanism, be provided with manual switching-off device, emit the realization manual brake separating that moves upward when the rotating shaft of rotation manual separating brake makes eccentric wheel drive the power transmission shaft top.
Further the utility model by power transmission shaft top emit, eccentric wheel, bearing, manual brake separating rotating shaft, back-moving spring, alignment pin, spacer pin, upper magnet yoke, outer yoke, permanent magnet, inner yoke, coil, moving iron core, tripping spring, lower yoke, power transmission shaft constitute, and it is characterized in that axially being arranged with groove at moving iron core cylindrical.
And eccentric wheel and the integrated processing of manual brake separating rotating shaft, rotating shaft are fixed in by bearing on the upper surface of upper magnet yoke, and back-moving spring one end is fixed in the rotating shaft by alignment pin, and the other end is fixed on the bearing by spacer pin.
Description of drawings
Fig. 1 is a kind of electromagnetism actuating, permanent magnet keeping operation mechanism structure cross-sectional schematic;
Fig. 2 is the vertical view of moving iron core in the operating mechanism for this reason.
Embodiment
With reference to Fig. 1, upper magnet yoke 8, outer yoke 9, lower yoke 17 are connected, be provided with permanent magnet 11 between inner yoke 12, the outer yoke 9, in the cavity that outer yoke 9, inner yoke 12, moving iron core 15, lower yoke 17 form, be provided with coil 14, moving iron core 15 places the center of coil 14, power transmission shaft 18 adopts with moving iron core 15 and is threaded, and tripping spring 16 places among the formed cavity of concave surface of moving iron core 15 and lower yoke 17.Power transmission shaft top emits 1 to be threaded with power transmission shaft 18, and moving iron core 15 is provided with groove 19, manual brake separating rotating shaft 4 and eccentric wheel 2 integrated processing, and be fixed in by bearing 3 on the upper surface of upper magnet yoke 8.One end of back-moving spring 5 is fixed in the manual brake separating rotating shaft 4 by alignment pin 6, and the other end is fixed on the bearing 3 by spacer pin 7.
The utility model is executed example, by "on" position be: coil 14 is added a reverse impulse electric current to the course of work of gate-dividing state, make iron core 15 under the acting in conjunction of electromagnetic force, permanent magnetism repulsive force and tripping spring 16, overcome permanent magnetism residue confining force, drive power transmission shaft 18 and move upward to the final position, form the separating brake stable state.By gate-dividing state be: coil 14 is added a direct impulse electric current to the course of work of "on" position, make iron core 15 under the acting in conjunction of electromagnetic force and permanent magnetism the suction-combining force, overcome tripping spring 16 reaction forces and switch and be applied to external force on the power transmission shaft 18, move downward the final position, form the stable state when closing a floodgate.
When manual brake separating, rotation manual separating brake rotating shaft 4 makes eccentric wheel 2 drive the top and emits 1 to overcome permanent magnetism residue confining force and move upward, and realizes manual brake separating.
Claims (2)
1, a kind of electromagnetism actuating, permanent magnet keeping operation mechanism, comprise that the power transmission shaft top emits (1), eccentric wheel (2), bearing (3), manual brake separating rotating shaft (4), back-moving spring (5), alignment pin (6), spacer pin (7), upper magnet yoke (8), outer yoke (9), permanent magnet (11), inner yoke (12), coil (14), moving iron core (15), tripping spring (16), lower yoke (17), power transmission shaft (18) constitute, and it is characterized in that: axially be arranged with groove (19) at moving iron core (15) cylindrical.
2, electromagnetism actuating according to claim 1, permanent magnet keeping operation mechanism, it is characterized in that: eccentric wheel (2) and the integrated processing of manual brake separating rotating shaft (4), rotating shaft (4) is fixed on the upper surface of upper magnet yoke (8) by bearing (3), back-moving spring (5) one ends are fixed in the rotating shaft (4) by alignment pin (6), and the other end is fixed on the bearing (3) by spacer pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029413 CN2874743Y (en) | 2005-11-08 | 2005-11-08 | Electromagnetic operation permanent magnet keeping operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029413 CN2874743Y (en) | 2005-11-08 | 2005-11-08 | Electromagnetic operation permanent magnet keeping operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2874743Y true CN2874743Y (en) | 2007-02-28 |
Family
ID=37781339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520029413 Expired - Fee Related CN2874743Y (en) | 2005-11-08 | 2005-11-08 | Electromagnetic operation permanent magnet keeping operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2874743Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867238A (en) * | 2010-06-28 | 2010-10-20 | 吉林省埃尔顿电气有限公司 | Integral permanent magnet ring embedding self-location permanent magnet structure |
| CN102637558A (en) * | 2012-03-23 | 2012-08-15 | 平高集团有限公司 | Switching-off device for spring operating mechanism of circuit breaker |
| CN101702381B (en) * | 2009-11-13 | 2013-01-02 | 南京因泰莱配电自动化设备有限公司 | Design method of remanent magnetism mechanism of recombiner and remanent magnetism mechanism |
| WO2013010378A1 (en) * | 2011-07-15 | 2013-01-24 | 许继集团有限公司 | High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic |
| CN101350268B (en) * | 2008-08-25 | 2014-04-23 | 童建朋 | Permanent magnet type vacuum circuit-breaker |
-
2005
- 2005-11-08 CN CN 200520029413 patent/CN2874743Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350268B (en) * | 2008-08-25 | 2014-04-23 | 童建朋 | Permanent magnet type vacuum circuit-breaker |
| CN101702381B (en) * | 2009-11-13 | 2013-01-02 | 南京因泰莱配电自动化设备有限公司 | Design method of remanent magnetism mechanism of recombiner and remanent magnetism mechanism |
| CN101867238A (en) * | 2010-06-28 | 2010-10-20 | 吉林省埃尔顿电气有限公司 | Integral permanent magnet ring embedding self-location permanent magnet structure |
| CN101867238B (en) * | 2010-06-28 | 2012-04-18 | 吉林省埃尔顿电气有限公司 | Integral permanent magnet ring embedding self-location permanent magnet structure |
| WO2013010378A1 (en) * | 2011-07-15 | 2013-01-24 | 许继集团有限公司 | High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic |
| CN102637558A (en) * | 2012-03-23 | 2012-08-15 | 平高集团有限公司 | Switching-off device for spring operating mechanism of circuit breaker |
| CN102637558B (en) * | 2012-03-23 | 2014-01-01 | 平高集团有限公司 | Switching-off device for spring operating mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Peijun Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Peijun Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070228 Termination date: 20101108 |