CN104347225A - Electromagnet capable of preventing permanent attraction and clamping stagnation - Google Patents
Electromagnet capable of preventing permanent attraction and clamping stagnation Download PDFInfo
- Publication number
- CN104347225A CN104347225A CN201310343190.2A CN201310343190A CN104347225A CN 104347225 A CN104347225 A CN 104347225A CN 201310343190 A CN201310343190 A CN 201310343190A CN 104347225 A CN104347225 A CN 104347225A
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- base
- iron core
- magnetic
- electromagnet
- clamping stagnation
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Abstract
The invention relates to an electromagnet capable of preventing permanent attraction and clamping stagnation. The electromagnet comprises a hollow magnetizer. An end cap is arranged at the upper end of the magnetizer, a skeleton-supported coil is arranged in the magnetizer, a base with a through hole and used as the center of a static magnetic pole is arranged at the bottom of the magnetizer, an iron core serving as a dynamic magnetic pole is arranged at a position above the base and a preset stroke distance to the base, a non-magnetic pad with a hole in the center is arranged on the upper end surface of the base, the base and the iron core are placed together in a guide sleeve arranged in the center of the coil and connected through a push-pull rod, the upper end of the push-pull rod is inserted into the iron core to be fixed to the iron core, the lower end of the push-pull rod penetrates through the non-magnetic pad and the base extends out of the magnetizer and is in threaded connection with a nut after penetrating through a cushion pad, a retainer ring is arranged at the upper end of the iron core, and a reset spring is arranged between the retainer ring and the end cap. The electromagnet provided by the invention is capable of thoroughly eliminating permanent attraction and clamping stagnation, and has the advantages of simple structure and low cost.
Description
Technical field
The present invention relates to electromagnet technical field, be specifically related to the dead and clamping stagnation electromagnet of a kind of anti-suction.
Background technology
The conventional electromagnetic iron of household electrical appliance in the market and intelligent grid automation control system, the overwhelming majority is direct current, after more than 2000 continuous adhesives, when certain interval of time reuses (adhesive), there will be dynamic magnetic pole after the electromagnetic actuation of about 20% and determine the situation that magnetic pole cannot throw off (namely inhale extremely).Electromagnet cisco unity malfunction, affects to the greatest extent the reliability of whole system.
Summary of the invention
The object of the invention is to provide a kind of anti-suction dead and clamping stagnation electromagnet to overcome above-mentioned shortcoming of the prior art.
The present invention realizes like this, dead and the clamping stagnation electromagnet of a kind of anti-suction, comprise the magnetic conductor of a hollow, the upper end of described magnetic conductor is provided with end cap, be provided with in described magnetic conductor by the coil of skeletal support, the bottom of described magnetic conductor is provided with the base as the central authorities determining magnetic pole with through hole, the top of described base preset strokes distance of being separated by is provided with iron core as dynamic magnetic pole, the non-magnetic pad that central authorities have hole is provided with in the upper surface of described base, described base, iron core is placed in the fairlead that is located at described coil central authorities jointly, and be connected by a pull bar, the upper end of described pull bar is inserted in described unshakable in one's determination 3 and is fixed with described iron core, the lower end of described pull bar is through described non-magnetic pad, base stretches out described magnetic conductor and is also threaded connection with nut through after cushion pad outward, the upper end of described iron core is provided with back-up ring, is provided with back-moving spring between described back-up ring and described end cap.
The present invention not only meets the magnetic flux required for work of electromagnet suction, and reduce remanent magnetism magnetic flux, after repeatedly excitation, the add up suction that produces of remanent magnetism magnetic flux can not be greater than the elastic force of back-moving spring like this, and then would not occur inhaling phenomenon that is dead and clamping stagnation, thus thoroughly can eliminate electromagnet and inhale dead and catching phenomenon, significantly improve the scope of application of electromagnet, and structure of the present invention is simple, cost is low, can be applied to the field of household appliances and the intelligent grid automation control system field that reliability and fail safe are had to strict demand.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the dead and clamping stagnation electromagnet of anti-suction provided by the invention;
Figure 2 shows that the outside drawing of the dead and clamping stagnation electromagnet of anti-suction that the embodiment of the present invention provides;
In figure: 1. back-up ring, 2. back-moving spring, 3. iron core, 4. fairlead, 5. end cap, 6. skeleton, 7. coil, 8. bar, 9. non-magnetic pad, 10. base, 11 magnetic conductors, 12. cushion pads, 13. nuts.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.
See Fig. 1 ~ 2, dead and the clamping stagnation electromagnet of a kind of anti-suction, the bottom comprising a hollow has the magnetic conductor 11 in hole, described magnetic conductor 11 upper end is provided with end cap 5, the coil 7 supported by skeleton 6 is provided with in described magnetic conductor 11, the bottom of described magnetic conductor 11 is provided with the base 10 as the central authorities determining magnetic pole with through hole, the top of described base 10 preset strokes distance of being separated by is provided with iron core 3 as dynamic magnetic pole, the non-magnetic pad 9 that central authorities have hole is provided with in the upper surface of described base 10, described base 10, unshakable in one's determination 3 are placed in the fairlead 4 that is located at described coil 7 central authorities jointly, and be connected by a pull bar 8, the upper end of described pull bar 8 is inserted in described unshakable in one's determination 3 and is fixed with described unshakable in one's determination 3, the lower end of described pull bar 8 is through described non-magnetic pad 9, base 10 also stretches out outside described magnetic conductor 11 by the hole of described magnetic conductor 11 bottom, and through after cushion pad 12 and nut 13 be threaded connection, the described upper end of unshakable in one's determination 3 is provided with back-up ring 1 by riveting dress mode, is provided with back-moving spring 2 between described back-up ring 1 and described end cap 5.
Between described pull bar 8 with described base 10, wide arc gap coordinates, and is convenient to sliding and running.
The bottom of described pull bar 8 is provided with non-magnetic cover.
Described unshakable in one's determination 3, base 10, coil 7, magnetic conductor 11 and end cap 5 form magnetic circuit system, and described unshakable in one's determination 3, base 10, magnetic conductor 11 and end cap 5 form magnetic conductive loop; Wherein, coil 7 produces magnetic field adding under 220V direct current state, i.e. magnetic potential (IW), unshakable in one's determination 3 and base 10 in magnetic flux produce mutual attraction, unshakable in one's determination 3 are pulled together by non-magnetic pad 9 and base 10, after electromagnet power-off, the elastic force of back-moving spring 2 is greater than the suction that between unshakable in one's determination 3 and base 10, remanent magnetism produces, and unshakable in one's determination 3 reset.
Further, the described lower surface of unshakable in one's determination 3 is planar end surface and is made with chamfering, thus makes the structure of unshakable in one's determination 3 simple.
Further, described 3 materials unshakable in one's determination are electrical pure iron DT3A, and the permeability of electrical pure iron is high, and making has magnetic flux more than needed to pass through in unshakable in one's determination 3.
Further, the material of described base is No. 10 carbon constructional quality steels.Permeability is higher, and magnetic property is stablized, and hardness ratio pure iron is high, is not afraid of shock.
Further, the material of described non-magnetic pad 9 is H62 brass, and thickness is 0.3mm.Because brass belongs to non-magnet material, the thickness of non-magnetic pad 9 is very large to the magnetic flux effect passed through in the iron core 3 of electromagnet and base 10, non-magnetic pad 9 not only affects magnetic flux but also affects remanent magnetism magnetic flux, so the thickness of non-magnetic pad 9 is selected most important, should ensure by the magnetic flux in unshakable in one's determination 3 and base 10, reduce remanent magnetism magnetic flux again, through coupling magnetic flux and remanent magnetism magnetic flux, select the thickness of non-magnetic pad 9 to be 0.3mm.Brass hardness is greater than red copper in addition, shock-resistant.
Further, match with the planar end surface of the upper end of base 10 in the described lower surface of unshakable in one's determination 3.
Further, described unshakable in one's determination 3 and the length of base 10 than 4.3: 1, thus make the suction of unshakable in one's determination 3 large and stablize.
In the embodiment of the present invention, magnetic flux, magnetic conduction magnetic flux and match every magnetic magnetic flux, not only meet the magnetic flux required for work of electromagnet suction, and reduce remanent magnetism magnetic flux.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the dead and clamping stagnation electromagnet of an anti-suction, it is characterized in that, comprise the magnetic conductor of a hollow, the upper end of described magnetic conductor is provided with end cap, be provided with in described magnetic conductor by the coil of skeletal support, the bottom of described magnetic conductor is provided with the base as the central authorities determining magnetic pole with through hole, the top of described base preset strokes distance of being separated by is provided with iron core as dynamic magnetic pole, the non-magnetic pad that central authorities have hole is provided with in the upper surface of described base, described base, iron core is placed in the fairlead that is located at described coil central authorities jointly, and be connected by a pull bar, the upper end of described pull bar is inserted in described iron core and is fixed with described iron core, the lower end of described pull bar is through described non-magnetic pad, base stretches out described magnetic conductor and is also threaded connection with nut through after cushion pad outward, the upper end of described iron core is provided with back-up ring, is provided with back-moving spring between described back-up ring and described end cap.
2. the dead and clamping stagnation electromagnet of anti-suction according to claim 1, it is characterized in that, below described iron core, end face is planar end surface and is made with chamfering.
3. the dead and clamping stagnation electromagnet of anti-suction according to claim 1 or 2, it is characterized in that, described core material is electrical pure iron DT3A.
4. the dead and clamping stagnation electromagnet of anti-suction according to claim 1, it is characterized in that, the material of described base is No. 10 carbon constructional quality steels.
5. the dead and clamping stagnation electromagnet of anti-suction according to claim 1, it is characterized in that, the thickness of described non-magnetic pad is 0.3mm.
6. the dead and clamping stagnation electromagnet of anti-suction according to claim 1 or 5, it is characterized in that, the material of described non-magnetic pad is H62 brass or other non-magnetic metal materials.
7. the dead and clamping stagnation electromagnet of anti-suction according to claim 1, it is characterized in that, the length of described iron core and base is than 4.3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343190.2A CN104347225A (en) | 2013-08-05 | 2013-08-05 | Electromagnet capable of preventing permanent attraction and clamping stagnation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343190.2A CN104347225A (en) | 2013-08-05 | 2013-08-05 | Electromagnet capable of preventing permanent attraction and clamping stagnation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104347225A true CN104347225A (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310343190.2A Pending CN104347225A (en) | 2013-08-05 | 2013-08-05 | Electromagnet capable of preventing permanent attraction and clamping stagnation |
Country Status (1)
| Country | Link |
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| CN (1) | CN104347225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856120A (en) * | 2015-12-08 | 2017-06-16 | 上海航天设备制造总厂 | One kind is used for the enhanced device of magnet coil magnetic force |
| CN109215934A (en) * | 2017-07-04 | 2019-01-15 | 西门子股份公司 | Magnetictrip for electromagnetic switchgear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366312A (en) * | 2001-01-18 | 2002-08-28 | 株式会社日立制作所 | Electromagnetic and operating mechanism of switch using said electromagnet |
| JP2005166429A (en) * | 2003-12-02 | 2005-06-23 | Fuji Electric Fa Components & Systems Co Ltd | Release type electromagnetic solenoid |
| JP2005268031A (en) * | 2004-03-18 | 2005-09-29 | Fuji Electric Fa Components & Systems Co Ltd | Release-type electromagnetic solenoid |
| CN101728052A (en) * | 2008-10-29 | 2010-06-09 | 三菱电机株式会社 | Release electromagnet device |
| CN102473561A (en) * | 2009-09-18 | 2012-05-23 | 三菱电机株式会社 | Releasing type electromagnet device |
| CN203377049U (en) * | 2013-08-05 | 2014-01-01 | 宝鸡烽火工模具技术有限公司 | Hard attracting and blocking prevention electromagnet |
-
2013
- 2013-08-05 CN CN201310343190.2A patent/CN104347225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366312A (en) * | 2001-01-18 | 2002-08-28 | 株式会社日立制作所 | Electromagnetic and operating mechanism of switch using said electromagnet |
| JP2005166429A (en) * | 2003-12-02 | 2005-06-23 | Fuji Electric Fa Components & Systems Co Ltd | Release type electromagnetic solenoid |
| JP2005268031A (en) * | 2004-03-18 | 2005-09-29 | Fuji Electric Fa Components & Systems Co Ltd | Release-type electromagnetic solenoid |
| CN101728052A (en) * | 2008-10-29 | 2010-06-09 | 三菱电机株式会社 | Release electromagnet device |
| CN102473561A (en) * | 2009-09-18 | 2012-05-23 | 三菱电机株式会社 | Releasing type electromagnet device |
| CN203377049U (en) * | 2013-08-05 | 2014-01-01 | 宝鸡烽火工模具技术有限公司 | Hard attracting and blocking prevention electromagnet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856120A (en) * | 2015-12-08 | 2017-06-16 | 上海航天设备制造总厂 | One kind is used for the enhanced device of magnet coil magnetic force |
| CN109215934A (en) * | 2017-07-04 | 2019-01-15 | 西门子股份公司 | Magnetictrip for electromagnetic switchgear |
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Application publication date: 20150211 |
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