CN102075058A - Electromagnetic device and application thereof - Google Patents
Electromagnetic device and application thereof Download PDFInfo
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- CN102075058A CN102075058A CN2010106245610A CN201010624561A CN102075058A CN 102075058 A CN102075058 A CN 102075058A CN 2010106245610 A CN2010106245610 A CN 2010106245610A CN 201010624561 A CN201010624561 A CN 201010624561A CN 102075058 A CN102075058 A CN 102075058A
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- pull bar
- coil
- soft magnetic
- magnetic bodies
- calutron
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Abstract
The invention provides an electromagnetic device. The electromagnetic device is characterized by comprising a bracket, a coil, a push-pull rod and permanent magnets, wherein the coil is wound on the bracket, and the interior of the coil is hollow; the permanent magnets are fixedly arranged in the push-pull rod; the push-pull rod can linearly access and move in the hollow part of the coil under the interaction of magnetic forces; when the coil is excited, the push-pull rod can move upwards and is attracted on the top under the action of a soft magnet when reaching the upper end, and the coil can also be automatically held without current; and when the coil is reversely excited, the push-pull rod overcomes the attractive force of the soft magnet and moves downwards, the push-pull rod is pulled down from the soft magnet till the push-pull rod is blocked by the soft magnet, and then the push-pull rod is mutually attracted with the soft magnet. According to the electromagnetic device provided by the invention, the soft magnet for closing a magnetic circuit on the traditional electromagnetic device is changed, forces of different directions are generated among the permanent magnets when the coil is charged with the current of different directions, and then bidirectional motion is realized in the absence of the action of spring restoring force.
Description
Technical field
The present invention relates to automatic control technology, be specifically related to a kind of the adopt calutron of permanent magnet and the application of making electromagnetically operated valve thereof.
Background technology
Traditional calutron mostly adopts soft magnetic bodies as permeability magnetic material, and calutron can not have remanent magnetism when excitation not like this, can allow valve block reset smoothly; Calutron forms loop when adhesive, reduced magnetic resistance, can reduce self-sustaining exciting current greatly, but even now still will have electric current just can keep.Because the size of air gap is very big to the influence of electromagnetic force, so the stroke of traditional electrical magnetic device is all smaller.
Because not resembling motor that works increases strength by decelerator, the active force of calutron is directly proportional with number of ampere turns again, so electric current is all bigger usually, coil turn is also more, this means copper material consumption, and volume is also bigger.
Because soft magnetic bodies does not have polarity, so the active force of calutron itself is unidirectional, can only produces suction and can't produce thrust, so spring will be set or reset by gravity.
Various in recent years ferromagnetic materials obtain a large amount of widespread usage, and it is used for further developing of calutron and provides the foundation.
Summary of the invention
The objective of the invention is to overcome the practice of prior art, provide a kind of can beidirectional, bistable state and can self-sustaining calutron without electric current;
The present invention also aims to, provide above-mentioned calutron to make the application of electromagnetically operated valve.
The present invention realizes that the technical scheme that above-mentioned purpose provides is:
A kind of calutron, it is characterized in that, it comprises a support, coil, pull bar, permanent magnet, described coil winding on support, its inner hollow, described permanent magnet is fixedly installed in the pull bar, this pull bar can exist in the interaction of magnetic force, straight line turnover motion in described coil hollow part.
On the described support front end face, also be provided with one that inwardly stretch out, in order to attract pull bar in the upper end and to make the upper end soft magnetic bodies of its location.
Described pull bar back segment is provided with a chute; On described support or the external support position, also be fixed with one in order to attract pull bar in the lower end and to make the lower end soft magnetic bodies of its location.
Described permanent magnet is fixedly installed in the pull bar leading portion by a lid.
When coil magnetization, make upwards action of pull bar, inhale on pushing up with the soft magnetic bodies effect when arriving the upper end, there is not in the coil this moment electric current can self-sustaining yet, when the reverse excitation of coil, the suction that pull bar overcomes soft magnetic bodies moves downwards, and pull bar is pulled down from soft magnetic bodies, block up to soft magnetic bodies, hold mutually with soft magnetic bodies this moment again, and so then pull bar all is a stable state on two positions, and does not need to come self-sustaining by coil magnetization.
Described pull bar is a non-magnet material, and the permanent magnet in the pull bar is the ferromagnetic material magnet.
Aforesaid calutron is made the application of electromagnetically operated valve, it is characterized in that described pull bar is as the valve rod of electromagnetically operated valve.
Calutron provided by the invention, it has changed the closed magnet circuit of traditional electrical magnetic device periphery, permanent magnet is placed in the middle of the pull bar, pull bar itself is a non-magnet material, pull bar places in the coil, make coil and permanent magnet be in a suitable relative position, when the electric current that fills in the coil with different directions, can produce the electromagnetic force of different directions, so just solved the two-way function problem of calutron.
Adhesive direction at pull bar respectively is provided with a soft magnetic bodies with the appropriate location of pushing direction open, when pull bar all can be inhaled to this soft magnetic bodies when arbitrary soft magnetic bodies, do not maintain stable state by this suction when in coil, having electric current, if suction is opposite therewith for the electromagnetic force that produces between coil and the permanent magnet when coil magnetization, promptly pull bar can be pushed away this soft magnetic bodies, when meeting another soft magnetic bodies, pull bar stops, even this moment, coil stopped excitation, because permanent magnet and soft magnetic bodies are close, the suction of generation makes it maintain new position.
Push the active force of pull bar open in order to reduce coil, keep certain distance in the time of can allowing permanent magnet near soft magnetic bodies, to reduce its suction.For increasing the operating physical force of calutron, reduce exciting current, this permanent magnet can adopt strong magnetic or superpower magnetic.
Description of drawings
Fig. 1 is structure of the present invention and action principle schematic diagram.
Embodiment
Referring to Fig. 1, a kind of calutron provided by the invention, it is characterized in that, it comprises a support 2, coil 3, pull bar 7, permanent magnet 5, described coil 3 windings on support 2, its inner hollow, described permanent magnet 5 is fixedly installed in the pull bar 7, and this pull bar 7 can exist in the interaction of magnetic force, straight line turnover motion in described coil hollow part.
On described support 2 front end faces, also be provided with one that inwardly stretch out, in order to attract pull bar 7 in the upper end and to make the upper end soft magnetic bodies 1 of its location.
Described pull bar 7 back segments are provided with a chute; On described support 2 or the external support position, also be fixed with one in order to attract pull bar 7 in the lower end and to make the lower end soft magnetic bodies 6 of its location.
Described permanent magnet 5 is fixedly installed in pull bar 7 leading portions by a lid 4.
When coil 2 excitations, make upwards action of pull bar, inhale on pushing up with soft magnetic bodies 1 effect when arriving the upper end, there is not in the coil 3 this moment the electric current can self-sustaining yet, when the reverse excitation of coil 3, the suction that pull bar 7 overcomes soft magnetic bodies 1 moves downwards, and pull bar 7 is pulled down from soft magnetic bodies 1, block up to soft magnetic bodies 6, hold mutually with soft magnetic bodies 6 this moment again, and so then pull bar 7 all is a stable state on two positions, and does not need to come self-sustaining by coil magnetization.
Described pull bar 7 is a non-magnet material, and the permanent magnet in the pull bar 7 is the ferromagnetic material magnet.
Aforesaid calutron is made the application of electromagnetically operated valve, and described pull bar 7 is used for making electromagnetically operated valve as the valve rod of electromagnetically operated valve.Also can make other automatic control equipments.
Concrete, as shown in drawings: upper end soft magnetic bodies 1 is fixed on the coil brace 2, the usefulness that is used for stable absorption pull bar 7 when pull bar 7 arrives the upper end, coil 3 is contained on the coil brace 2, the 4th, be used for fixing the lid of permanent magnet 5, the 6th, the lower end soft magnetic bodies is when pull bar 7 stable absorption pull bar during in the lower end.
When coil 3 excitations, can make upwards action of pull bar, act on soft magnetic bodies 1 when arriving the upper end, inhale on the top, there is not in the coil 3 this moment the electric current can self-sustaining yet, when the reverse excitation of coil 3, the suction that pull bar 7 overcomes soft magnetic bodies 1 moves downwards, and pull bar 7 is pulled down from soft magnetic bodies 1, block up to soft magnetic bodies 6, hold mutually with soft magnetic bodies 6 this moment again.
Soft magnetic bodies 6 is relative motionless with coil brace 3, can be to be contained on the coil brace 3, and also can be to be loaded on the frame jointly.
According to the dynamics of concrete different operating occasion, the electric current restriction, stroke, different requirements such as overall dimension are wanted the specific design structure, coil etc.
With pull bar promote be the valve block of electromagnetically operated valve the time be exactly corresponding solenoid valve, so present principles also can be used on the electromagnetically operated valve.
Calutron provided by the invention, changed the soft magnetic bodies of using as closed magnetic path on the traditional electrical magnetic device, middle pull bar adopts non-magnet material, in the centre of pull bar one permanent magnet is set, will produce the power of different directions when in coil, filling the electric current with different directions like this and between the permanent magnet, thereby under the effect that does not have spring reset power, realize bidirectional-movement.
This calutron respectively is provided with a soft magnetic bodies on the both direction of the action of pull bar, when pull bar during to the action of arbitrary soft magnetic bodies direction and near this soft magnetic bodies, and the suction that produces between this soft magnetic bodies makes pull bar maintain this position.When the suction direction of permanent magnet on the electromagnetic force of coil magnetization and generation and the pull bar and close with it soft magnetic bodies is opposite, be enough to overcome this suction pull bar is pushed away this soft magnetic bodies, close to another soft magnetic bodies, and form new stable state.So then pull bar all is a stable state on two positions, and does not need to come self-sustaining by coil magnetization.
Pull bar permanent magnet in the pull bar when two limit positions can leave soft magnetic bodies a bit apart from pushing the active force of pull bar open to reduce coil.
Calutron is applied to make electromagnetically operated valve, and its pull bar is during as the valve rod of electromagnetically operated valve, and this principle just can be applied on the electromagnetically operated valve, is used for driving electromagnetically operated valve.
The present invention can be widely used in the manufacturing of various automation control appliances.
The present invention is not limited to above-mentioned execution mode, and every all similar or the be equal to execution modes that can realize the object of the invention are all within protection scope of the present invention.
Claims (7)
1. calutron, it is characterized in that, it comprises a support, coil, pull bar, permanent magnet, described coil winding on support, its inner hollow, described permanent magnet is fixedly installed in the pull bar, this pull bar can exist in the interaction of magnetic force, straight line turnover motion in described coil hollow part.
2. calutron according to claim 1 is characterized in that, on the described support front end face, also be provided with one that inwardly stretch out, in order to attract pull bar in the upper end and to make the upper end soft magnetic bodies of its location.
3. calutron according to claim 1 is characterized in that, described pull bar back segment is provided with a chute; On described support or the external support position, also be fixed with one in order to attract pull bar in the lower end and to make the lower end soft magnetic bodies of its location.
4. calutron according to claim 1 is characterized in that, described permanent magnet is fixedly installed in the pull bar leading portion by a lid.
5. calutron according to claim 1, it is characterized in that, when coil magnetization, make upwards action of pull bar, inhale on pushing up with the soft magnetic bodies effect when arriving the upper end, there is not in the coil this moment electric current can self-sustaining yet, when the reverse excitation of coil, the suction that pull bar overcomes soft magnetic bodies moves downwards, pull bar is pulled down from soft magnetic bodies, block up to soft magnetic bodies, hold mutually with soft magnetic bodies this moment again, and so then pull bar all is a stable state on two positions, and does not need to come self-sustaining by coil magnetization.
6. calutron according to claim 1 is characterized in that, the permanent magnet in the pull bar is the ferromagnetic material magnet, and described pull bar is a non-magnet material.
7. the application of making electromagnetically operated valve according to the described calutron of one of claim 1～6 is characterized in that described pull bar is as the valve rod of electromagnetically operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106245610A CN102075058A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106245610A CN102075058A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic device and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102075058A true CN102075058A (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010106245610A Pending CN102075058A (en) | 2010-12-31 | 2010-12-31 | Electromagnetic device and application thereof |
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| CN (1) | CN102075058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023019491A1 (en) * | 2021-08-19 | 2023-02-23 | 浙江大学 | Low power consumption bistable solenoid valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177311A (en) * | 1984-09-25 | 1986-04-19 | Matsushita Electric Works Ltd | Dc solenoid |
| CN2057024U (en) * | 1989-07-10 | 1990-05-09 | 王声操 | Permanent-magnet electromagnet for electric apparatus |
| JP2000224826A (en) * | 1999-02-03 | 2000-08-11 | Denso Corp | Electromagnetic linear actuator |
| CN2577419Y (en) * | 2002-11-01 | 2003-10-01 | 清华大学 | Open-solenoid electromagnetic using combined armature |
| CN2662034Y (en) * | 2003-07-17 | 2004-12-08 | 上海澳柯林水暖器材有限公司 | Bistable pulse control type electromagnetic valve apparatus |
| CN2684356Y (en) * | 2003-10-14 | 2005-03-09 | 于云霞 | Push and pull type bistable permanent-magnet operating mechanism |
| CN102075057A (en) * | 2010-12-31 | 2011-05-25 | 东莞市高能磁电技术有限公司 | Bistable electromagnetic device and application thereof |
-
2010
- 2010-12-31 CN CN2010106245610A patent/CN102075058A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177311A (en) * | 1984-09-25 | 1986-04-19 | Matsushita Electric Works Ltd | Dc solenoid |
| CN2057024U (en) * | 1989-07-10 | 1990-05-09 | 王声操 | Permanent-magnet electromagnet for electric apparatus |
| JP2000224826A (en) * | 1999-02-03 | 2000-08-11 | Denso Corp | Electromagnetic linear actuator |
| CN2577419Y (en) * | 2002-11-01 | 2003-10-01 | 清华大学 | Open-solenoid electromagnetic using combined armature |
| CN2662034Y (en) * | 2003-07-17 | 2004-12-08 | 上海澳柯林水暖器材有限公司 | Bistable pulse control type electromagnetic valve apparatus |
| CN2684356Y (en) * | 2003-10-14 | 2005-03-09 | 于云霞 | Push and pull type bistable permanent-magnet operating mechanism |
| CN102075057A (en) * | 2010-12-31 | 2011-05-25 | 东莞市高能磁电技术有限公司 | Bistable electromagnetic device and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023019491A1 (en) * | 2021-08-19 | 2023-02-23 | 浙江大学 | Low power consumption bistable solenoid valve |
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Application publication date: 20110525 |