CN2699453Y - Permanent magnet control mechanism for electric switch - Google Patents
Permanent magnet control mechanism for electric switch Download PDFInfo
- Publication number
- CN2699453Y CN2699453Y CN 200420011813 CN200420011813U CN2699453Y CN 2699453 Y CN2699453 Y CN 2699453Y CN 200420011813 CN200420011813 CN 200420011813 CN 200420011813 U CN200420011813 U CN 200420011813U CN 2699453 Y CN2699453 Y CN 2699453Y
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- yoke
- electric switch
- magnet
- iron core
- permanent
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Abstract
The utility model relates to a permanent-magnet manipulating mechanism of an electric switch, relating to the electric switch field, comprising an upper yoke, an outer yoke, a lower yoke, an inner yoke, a permanent magnet, an electromagnetic coil, a movable iron core, an actuating rod and a brake separating spring. The utility model is characterized in that the upper end surface of the inner yoke is a concave conical surface, and the radical direction of the inner yoke and the radical direction of the movable iron core are provided with a hollow cavity. The electromagnetic coil is a single coil or double coils. The included angle alpha of the concave conical surface and a droop line is 50-55 DEG. The utility model has the advantages that the structure is simple, the cost is low, the radical direction flux component is little, the axial flux is enlarged, the confining force is obviously reinforced, the magnetic power of the permanent magnet is obtained full utilization, the energy-saving effect is good, the movement is reliable, etc.
Description
Technical field
The utility model relates to the electric switch field, is a kind of electric switch permanent-magnet manipulating mechanism.
Background technology
Existing a kind of electric switch permanent-magnet manipulating mechanism divides parts such as spring, tripping spring, actuating bar, permanent magnet to form by upper magnet yoke, outer yoke, lower yoke, inner yoke, magnetic shunt dish, fastening pivot pin, moving iron core, switching winding, closing coil, hand.This electric switch permanent-magnet manipulating mechanism exists complex structure, the cost height, and the radial flux component is big, and the axial magnetic flux is little, causes confining force to reduce, and the magnetic energy utilance of permanent magnet is low, the relatively poor deficiency that waits of reliability.
Summary of the invention
The purpose of this utility model is, prior art is improved, provide a kind of simple in structure, cost is low, and the radial flux component is little, the axial magnetic flux increases, confining force obviously strengthens, and can make full use of the magnetic energy of permanent magnet, good energy-conserving effect, reliable in action is widely used in high and low pressure electric switch permanent-magnet manipulating mechanism.
The purpose of this utility model is realized by following technical scheme: a kind of electric switch permanent-magnet manipulating mechanism, comprise upper magnet yoke, outer yoke, lower yoke, inner yoke, permanent magnet, solenoid, moving iron core, the actuating bar, tripping spring, its special character is: the upper surface of inner yoke be matrix taper seat, inner yoke and moving iron core radially be provided with cavity.Said solenoid is a unicoil.Said solenoid or be twin coil.The angle α of said matrix taper seat and vertical line is 50～55 °.
Electric switch permanent-magnet manipulating mechanism of the present utility model compared with prior art, because the upper surface of the inner yoke of electric switch permanent-magnet manipulating mechanism of the present utility model is that the angle α of matrix taper seat, its conical surface and vertical line is 50～55 °, inner yoke and moving iron core radially be provided with cavity, its radial flux component is little, the axial magnetic flux increases, confining force obviously strengthens, and makes the magnetic energy of permanent magnet be fully used good energy-conserving effect.It is simple in structure, and cost is low, reliable in action.
Description of drawings
Fig. 1 is the electric switch permanent-magnet manipulating mechanism structure cross-sectional schematic (disjunction state) of embodiment 1.
Fig. 2 is the electric switch permanent-magnet manipulating mechanism structure cross-sectional schematic (on-state) of embodiment 2.
Embodiment
Utilize drawings and Examples that the utility model is further described below.
Embodiment 1: with reference to Fig. 1, the electric switch permanent-magnet manipulating mechanism is in the disjunction state.The outer yoke 5 of electric switch permanent-magnet manipulating mechanism is connected with upper magnet yoke 9, lower yoke 1, is provided with the permanent magnet 7 that is connected between inner yoke 11 and the outer yoke 5.In outer yoke 5, be provided with solenoid 6, moving iron core 8, moving iron core 8 places the center of solenoid 6, moving iron core 8 is connected with actuating bar 10, is nested with tripping spring 3 on actuating bar 10, and tripping spring 3 places between the stepped hole 2 of the lower end stepped hole 4 that moves iron core 8 and lower yoke 1.Inner yoke 11 is provided with matrix taper seat 13, and its conical surface 13 is 50～55 ° with the angle α of vertical line, inner yoke 11 and moving iron core 8 radially be provided with cavity 12.The solenoid 6 of present embodiment 1 adopts unicoil.Unicoil adopts forward and reverse pulse current control.Outer yoke 5, upper magnet yoke 9, lower yoke 1, inner yoke 11 all adopt mild steel to make, and actuating bar 10 adopts non-magnetic conductive metal silicon bronze, stainless steel making all can.Permanent magnet 7 adopts neodymium-iron-boron magnetic material.
Embodiment 2: with reference to Fig. 2, the electric switch permanent-magnet manipulating mechanism is in on-state.The basic structure of electric switch permanent-magnet manipulating mechanism is identical with embodiment 1, and different is that solenoid 6 adopts two coil configuration.Promptly one be switching winding 14, another is closing coil 15, all adopts pulse current control.
With reference to Fig. 1, the electric switch permanent-magnet manipulating mechanism by the disjunction state to the course of work of on-state is, solenoid 6 is added a direct impulse electric current, and iron core 8 is moved downward, and moving iron core 8 contacts with the boss of inner yoke 11, lower yoke 1.The S utmost point by the N utmost point → outer yoke 5 → lower yoke 1 of permanent magnet 7 → moving iron core 8 → inner yoke 11 → permanent magnet 7 forms closed magnetic circuit.Thereby form the stable state when connecting, the actuating bar 10 that is connected with moving iron core 8 drives electric switch and is in on-position.By on-state be, solenoid 6 is added a reverse impulse electric current, iron core 8 is moved upward, its upper surface is contacted with upper magnet yoke 9 to the course of work of disjunction state.The S utmost point by the N utmost point → outer yoke 5 → upper magnet yoke 9 of permanent magnet 7 → moving iron core 8 → inner yoke 11 → permanent magnet 7 forms closed magnetic circuit.Thereby the stable state when forming disjunction, the actuating bar 10 that is connected with moving iron core 8 makes electric switch be in the disjunction position under the effect of electromagnetic force and tripping spring 3 elastic forces;
With reference to Fig. 2, the electric switch permanent-magnet manipulating mechanism by on-state to the course of work of disjunction state is, the switching winding 14 of solenoid 6 is added a pulse current, and iron core 8 is moved upward, and its upper surface is contacted with upper magnet yoke 9.The S utmost point by the N utmost point → outer yoke 5 → upper magnet yoke 9 of permanent magnet 7 → moving iron core 8 → inner yoke 11 → permanent magnet 7 forms closed magnetic circuit.Thereby the stable state when forming disjunction, the actuating bar 10 that is connected with moving iron core 8 makes electric switch be in the disjunction position under the effect of electromagnetic force and tripping spring 3 elastic forces; By the disjunction state be, the closing coil 15 of solenoid 6 is added a pulse current, iron core 8 is moved downward, its boss with inner yoke 11, lower yoke 1 is contacted to the course of work of on-state.The S utmost point by the N utmost point → outer yoke 5 → lower yoke 1 of permanent magnet 7 → moving iron core 8 → inner yoke 11 → permanent magnet 7 forms closed magnetic circuit.Thereby form the stable state when connecting, the actuating bar 10 that is connected with moving iron core 8 drives electric switch and is in on-position.
Claims (4)
1. an electric switch permanent-magnet manipulating mechanism comprises upper magnet yoke, outer yoke, lower yoke, inner yoke, permanent magnet, solenoid, moving iron core, the actuating bar, tripping spring is characterized in that: the upper surface of inner yoke be matrix taper seat, inner yoke and moving iron core radially be provided with cavity.
2. electric switch permanent-magnet manipulating mechanism according to claim 1 is characterized in that: said solenoid is a unicoil.
3. electric switch permanent-magnet manipulating mechanism according to claim 1 and 2 is characterized in that: said solenoid or for twin coil.
4. electric switch permanent-magnet manipulating mechanism according to claim 1 is characterized in that: the angle α of said matrix taper seat and vertical line is 50～55 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011813 CN2699453Y (en) | 2004-04-15 | 2004-04-15 | Permanent magnet control mechanism for electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011813 CN2699453Y (en) | 2004-04-15 | 2004-04-15 | Permanent magnet control mechanism for electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2699453Y true CN2699453Y (en) | 2005-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420011813 Expired - Fee Related CN2699453Y (en) | 2004-04-15 | 2004-04-15 | Permanent magnet control mechanism for electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2699453Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807466A (en) * | 2010-03-08 | 2010-08-18 | 潘君昂 | Repolarization magnetic splicing method for magnet |
| 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 |
| CN102723247A (en) * | 2012-07-06 | 2012-10-10 | 浙江中凯科技股份有限公司 | Short-circuit trip device for controlling and protecting switch |
| CN103560057A (en) * | 2013-10-15 | 2014-02-05 | 国家电网公司 | Monostable permanent magnetic mechanism |
| CN107123568A (en) * | 2017-06-16 | 2017-09-01 | 沈阳工业大学 | A kind of integral vacuum breaker drives mechanism with Non-contact Magnetic |
-
2004
- 2004-04-15 CN CN 200420011813 patent/CN2699453Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807466A (en) * | 2010-03-08 | 2010-08-18 | 潘君昂 | Repolarization magnetic splicing method for magnet |
| 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 |
| CN102723247A (en) * | 2012-07-06 | 2012-10-10 | 浙江中凯科技股份有限公司 | Short-circuit trip device for controlling and protecting switch |
| CN103560057A (en) * | 2013-10-15 | 2014-02-05 | 国家电网公司 | Monostable permanent magnetic mechanism |
| CN103560057B (en) * | 2013-10-15 | 2016-06-08 | 国家电网公司 | A kind of Monostable permanent magnetic mechanism |
| CN107123568A (en) * | 2017-06-16 | 2017-09-01 | 沈阳工业大学 | A kind of integral vacuum breaker drives mechanism with Non-contact Magnetic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Du Liguo 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: 20050511 |