CN203982940U - A kind of magnetic power-assisted electromagnet - Google Patents
A kind of magnetic power-assisted electromagnet Download PDFInfo
- Publication number
- CN203982940U CN203982940U CN201420401104.9U CN201420401104U CN203982940U CN 203982940 U CN203982940 U CN 203982940U CN 201420401104 U CN201420401104 U CN 201420401104U CN 203982940 U CN203982940 U CN 203982940U
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- iron core
- permanent magnet
- moving iron
- locator
- leapfrog
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Abstract
The utility model discloses a kind of magnetic power-assisted electromagnet, comprise coil, also comprise at least one locator of being made by soft iron, the at least local moving iron core that is made as permanent magnet, a distance, an end of the described coil of described locator distance arranges, described moving iron core can move and adhesive with it to described locator when described coil electricity, when described coil blackout and described locator keep attracting state.Because having used locator and at least local moving iron core that is made as permanent magnet, magnetic power-assisted electromagnet of the present utility model can obtain two above service positions, therefore expanded the scope of application of electromagnet; And without continued power, only need of short duration pulse power supply while normally working in service position, therefore node effect is remarkable.
Description
Technical field
The utility model relates to electromagnetic force drive unit field, particularly relates to the significant magnetic power-assisted of a kind of energy-saving effect electromagnet.
Background technology
The push-pull electromagnet of prior art, is comprised of toroidal winding, moving iron core and static iron core.When coil electricity, generate an electromagnetic field, make moving iron core and static iron core induction produce magnetic, moving iron core moves generation power, with induced effect object.The push-pull electromagnet of prior art, when coil passes to direct current, no matter which termination is anodal, is all that iron core moves to static iron core at elect magnetic field.
The open of above background technology content only conceived and technical scheme for auxiliary understanding utility model of the present utility model, it must not belong to the prior art of present patent application, do not having tangible proof to show that foregoing is in applying date of present patent application in disclosed situation, above-mentioned background technology should be for not evaluating the application's novelty and creativeness.
Utility model content
(mainly) of the present utility model object is to propose a kind of energy-saving effect significantly and has the magnetic power-assisted electromagnet of two-way function, with solve power consumption that above-mentioned prior art exists large and be merely able to make iron core at elect magnetic field the technical problem to static iron core single-way moving.
For this reason, the utility model proposes a kind of magnetic power-assisted electromagnet, comprise coil, also comprise at least one locator of being made by soft iron, the at least local moving iron core that is made as permanent magnet, described locator distance described overhang a distance arranges, and described moving iron core can move and adhesive with it to described locator when described coil electricity, when described coil blackout with described locator maintenance attracting state.
Preferably, the utility model can also have following technical characterictic:
The described at least local moving iron core that is made as permanent magnet is the permanent magnet that is sticked at least part of surface of moving iron core, or at moving core interior insertion permanent magnet, or embeds permanent magnet offering on the moving iron core of groove, or whole moving iron core employing permanent magnet itself is made.
Described locator is static iron core, described at least local one end that is made as the moving iron core of permanent magnet is arranged with magnetic balanced spring, when described coil electricity, the described at least local moving iron core that is made as permanent magnet moves and adhesive with it to described static iron core, keeps attracting state during power-off; When described coil is oppositely switched on, the described at least local moving iron core that is made as permanent magnet moves to the direction away from described static iron core, during power-off, can under the effect of described magnetic balanced spring, remain on the position away from described static iron core.
Described locator has two, is located at respectively a distance at described coil two ends, and when described coil electricity, the described at least local moving iron core that is made as a permanent magnet wherein described locator moves and adhesive with it, keeps attracting state during power-off; When described coil is oppositely switched on, the described at least local moving iron core that is made as permanent magnet moves and adhesive with it to locator described in another, keeps attracting state during power-off.
Described at least local one end that is made as the moving iron core of permanent magnet is arranged with magnetic balanced spring, and described in the two ends of described magnetic balanced spring are fixedly arranged on respectively, at least part is made as on the moving iron core and described magnetic power-assisted electromagnet frame of permanent magnet.
The described at least local two ends that are made as the moving iron core of permanent magnet are arranged with respectively magnetic balanced spring, and described in described two magnetic balanced springs are limited in respectively, at least part is made as between the moving iron core and two described locators of permanent magnet.
This magnetic power-assisted electromagnet also comprises leapfrog locator, be fixedly connected with the described at least local moving iron core that is made as permanent magnet, or local being made as on the moving iron core of permanent magnet at least described in being shaped in, described leapfrog locator comprises leapfrog push rod and with the Z-shaped structure of leapfrog stopper slot, described leapfrog push rod and described leapfrog stopper slot cooperatively interact, the location of three service positions of at least local moving iron core that is made as permanent magnet described in can realizing.
This magnetic power-assisted electromagnet also comprises leapfrog locator, be fixedly connected with the described at least local moving iron core that is made as permanent magnet, or local being made as on the moving iron core of permanent magnet at least described in being shaped in, described leapfrog locator comprises leapfrog push rod and with two of leapfrog stopper slot above Z-shaped cascaded structures, described leapfrog push rod and described leapfrog stopper slot cooperatively interact, the location of four above service positions of at least local moving iron core that is made as permanent magnet described in can realizing.
Described Z-shaped cascaded structure is also provided with leapfrog return slot, and described in this leapfrog return slot can make, at least local moving iron core that is made as permanent magnet directly returns to initial service position from final service position.
The beneficial effect that the utility model is compared with the prior art comprises: because having used locator and at least local moving iron core that is made as permanent magnet, magnetic power-assisted electromagnet of the present utility model can controlled acquisition two above service positions (also thering is two-way function), therefore expanded the scope of application of electromagnet; And while normally working in service position, without continued power, only need of short duration pulse power supply, therefore power savings is remarkable.In addition, this magnetic power-assisted electromagnet also has advantages of highly sensitive.
In preferred version, owing to having adopted leapfrog locator, thereby can obtain more service positions, thereby there is range of application and further energy-saving effect more widely.
Accompanying drawing explanation
Figure 1A is the structural representation of the utility model embodiment one.
Figure 1B is the structural representation of the deformation program of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 A and 3B are respectively the structural representations that Fig. 2 embodiment further comprises two and one magnetic balanced springs.
Fig. 4 is the structural representation of the utility model embodiment three.
Fig. 5 A, 5B and 5C are respectively three kinds of different conditions structural representations of leapfrog stop in Fig. 4 embodiment.
Fig. 6 is the structural representation with the leapfrog stop of four service positions.
Fig. 7 is the structural representation with the leapfrog stop of return slot.
Embodiment
Conventional push-pull electromagnet, is comprised of helix tube type coil, moving iron core and static iron core.When coil electricity, generate an electromagnetic field, make moving iron core and static iron core induction produce magnetic, moving iron core is moved by magneticaction, to drive required thing.Moving iron core and static iron core are to make of the few soft iron of remanent magnetism, can not be with after magnetic field diminishes, and the steel that still remains with remnant field (being magnetized) is made.It also has a feature, be exactly during coil electricity, no matter which termination is anodal, its moving iron core is all to move to static iron core under electromagnetic field effect.
The utility model is defect and the above technology prejudice that overcomes prior art, a kind of magnetic power-assisted electromagnet is provided, comprise coil, also comprise at least one locator of being made by soft iron, the at least local moving iron core that is made as permanent magnet, a distance, an end of the described coil of described locator distance arranges, and described moving iron core can move and adhesive with it to described locator when described coil electricity, when described coil blackout with described locator maintenance attracting state.
Wherein, the described at least local moving iron core that is made as permanent magnet can be at least part of surface of moving iron core or the termination permanent magnet that is sticked, or insert permanent magnet in moving core interior, or embed permanent magnet offering on the moving iron core of groove, or whole moving iron core employing permanent magnet itself is made.Described permanent magnet can be that alloy permanent magnetic material is made, such as magnet steel etc., can be also that Ferrite Material is made.
Aforementioned feature of the present utility model and the technical advantage broadly set forth, to can understand better detailed description of the present utility model.Further feature of the present utility model and advantage will be in following descriptions.
Contrast accompanying drawing 1A-7 below, and in conjunction with embodiment, the utility model is described in further detail.Should be emphasized that, following explanation is only exemplary, rather than in order to limit scope of the present utility model and application thereof.
Embodiment mono-:
As shown in Figure 1A, described locator is static iron core 2, that is to say, with static iron core 2, serves as described locator.Described at least local one end that is made as the moving iron core of permanent magnet is arranged with magnetic balanced spring 4, when described coil 1 energising, the described at least local moving iron core 3 that is made as permanent magnet moves and adhesive with it to described static iron core 2, during power-off, keep attracting state, this attracting state is a service position of magnetic power-assisted electromagnet.Now, shown in magnetic balanced spring 4 in compressive state, storage elasticity potential energy.When described coil 1 is oppositely switched on, the described at least local moving iron core 3 that is made as permanent magnet moves to the direction away from described static iron core 2, shown in magnetic balanced spring 4 discharge (or part discharges) its elastic potential energy,, at least local moving iron core 3 that is made as permanent magnet can remain on the position away from described static iron core 2 under the effect of described magnetic balanced spring 4, this position is another service position of magnetic power-assisted electromagnet, still keeps this state during power-off.
In the present embodiment, the described at least local moving iron core 3 that is made as permanent magnet is on common moving iron core surface, to be sticked or to embed permanent magnet 5 to form.But do not get rid of the mode that whole moving iron core is made as to permanent magnet, also not getting rid of otherwise (as mentioned before), moving iron core is made to part is the structure of permanent magnet.
In addition, also can as shown in Figure 1B, permanent magnet be adhered on to the outer end of moving iron core 3.
Embodiment bis-:
As shown in Figure 2, described locator has two, is the first locator 21 and the second locator 22, is located at respectively a distance at described coil 1 two ends, and the described at least local moving iron core that is made as permanent magnet is limited between two described locators.When described coil 1 energising, described at least local moving the iron core 3 mobile and adhesive with it of a described locator (for example the first locator 21) wherein that is made as permanent magnet, keeps attracting state during power-off; When described coil 1 is oppositely switched on, the described at least local moving iron core 3 that is made as permanent magnet, to the mobile and adhesive with it of locator described in another (for example second locator 22), keeps attracting state during power-off.In the present embodiment, the described at least local moving iron core 3 that is made as permanent magnet can wholely be also permanent magnet.
As shown in Figure 3A, the present embodiment also optionally comprises following technical characterictic: the described at least local one or both ends that are made as the moving iron core 3 (be sticked or embed and be provided with magnet steel 5) of permanent magnet are arranged with respectively magnetic balanced spring 41,42.When making moving iron core 3, coil 1 energising moves to right, magnet steel 5 and the second locator 22 phase adhesives, after the power supply of cut-out coil, rest on right side, now, the magnetic balanced spring 41 in left side is compressed, and when coil 1 electrify electrode sexually revises, moving iron core 3 to the left direction moves, because the magnetic balanced spring 41 in the left side being added with is in compressive state, it will move to left and make contributions moving iron core 3, magnet steel 5 and the second locator 22 as permanent magnet depart from, now, the electromagnetic force that coil 1 produces adds the elastic force of magnetic balanced spring, only be greater than the suction-combining force between magnet steel 5 and locator, just can start mobile, visible electromagnetic force need to just adopt the moving iron core that soft iron makes to reduce many than common, namely further saved the power of power supply.When moving magnet 3 moves left to magnet steel 5 with left locator 21 phase adhesive under electromagnetic force, just keep having rested on left side, the magnetic balanced spring 42 in right side is in compressive state.Visible, these two additional magnetic balanced springs can balance portion electromagnetic force, and coil 1 power consumption is further reduced, and the sensitivity of electromagnet 3 push-and-pulls improves.In same power consumption situation, magnetic power-assisted electromagnet of the present utility model can have longer stroke.
As shown in Figure 3 B, in addition, also can adopt a spring to play the function of above dual spring: the one end (as the second spring fixing point 82 in figure) that the two ends of magnetic balanced spring 4 is separately fixed to (as the first spring fixing point 81 in figure) and moving iron core 3 on the support at coil 1 place, magnetic balanced spring 4 compresses and opens, after external force is cancelled, original state is recovered in capital, plays as above routine identical function.
Embodiment tri-:
The present embodiment is the further improvement of the corresponding scheme of Fig. 3 B in previous embodiment two, particularly, as shown in Figure 4, the magnetic power-assisted electromagnet of the present embodiment also comprises leapfrog locator 6, be fixedly connected with the described at least local moving iron core 3 that is made as permanent magnet, or local being made as on the moving iron core 3 of permanent magnet at least described in being shaped in, described leapfrog locator 6 comprises leapfrog push rod 61 and with the Z-shaped structure of leapfrog stopper slot 62, described leapfrog push rod 61 and described leapfrog stopper slot 62 cooperatively interact, the at least local location that is made as three limit points (a corresponding service position separately) of the moving iron core 3 of permanent magnet described in can realizing.
Wherein, the described Z-shaped structure with leapfrog stopper slot 62 can be also the cascaded structure of two above Z-shapeds, as shown in Figure 6.So, can change the turning quantity of leapfrog stopper slot 62, realize four limit points (service position), increase the quantity of the Z-shaped of leapfrog stopper slot 62, just can realize five limit points (service position) and even more service position.
As shown in Fig. 4, Fig. 5 A, Fig. 5 B and Fig. 5 C, when moving iron core 3 is when mode moves left, leapfrog locator 6 thereupon left direction move, leapfrog push rod 61 is defined to limit point 6202 along leapfrog stopper slot 62, and moving iron core 3 is stopped (as Fig. 5 A), under the effect of spring, moving iron core 3 is pulled to right-hand a little.Structure due to leapfrog push rod 61, can only by limit point 6202, shift to limit point 6203 places along leapfrog stopper slot 62, now moving iron core 3 is parked in limit point 6203 (as Fig. 5 B), when upper once coil electricity, moving iron core 3 again left direction move, now leapfrog push rod 61 changes limit point 6204 along leapfrog stopper slot 62 into from limit point 6203, and the magnet steel 5 and locator adhesive of moving iron core 3 have kept moving iron core 3 to rest on left end.Equally, when coil electricity direction changes when moving iron core 3 is moved right, leapfrog push rod 61 again from limit point 6204, limit point 6203, limit point 6202 again to limit point 6201.So just realized the break-in of magnetic power-assisted, the moving iron core 3 of electromagnet can be in San Ge position, left, center, right, and namely the output state of electromagnet is three positions.
Embodiment tetra-:
The main distinction of the present embodiment and embodiment tri-as shown in Figure 7, described Z-shaped cascaded structure is also provided with leapfrog return slot 7 (being represented by dotted lines in figure), these leapfrog return slot 7 two ends connect respectively initial service position and the final service position of described leapfrog stopper slot 62, can make described leapfrog push rod 61 directly return to initial service position from final service position.When moving iron core 3 is moved to the left to the limit, change the energising polarity of coil, moving iron core 3 will be to right-hand movement, and now the leapfrog push rod in stopper slot 6 moves the leapfrog return slot 7 along dotted line, and moving iron core 3 will directly return to right side, and middle do not have to stop.
Those skilled in the art will recognize that, it is possible that above description is made to numerous accommodations, so embodiment is only for describing one or more specific implementations.
Although described and narrated, be counted as example embodiment of the present utility model, it will be apparent to those skilled in the art that and can make various changes and replacement to it, and can not depart from spirit of the present utility model.In addition, can make many modifications particular case is fitted to religious doctrine of the present utility model, and can not depart from the utility model central concept described here.So the utility model is not limited to specific embodiment disclosed here, but the utility model may also comprise all embodiment and the equivalent thereof that belongs to the utility model scope.
Claims (9)
1. a magnetic power-assisted electromagnet, comprise coil, it is characterized in that: also comprise at least one locator of being made by soft iron, the at least local moving iron core that is made as permanent magnet, described locator distance described overhang a distance arranges, described moving iron core can move and adhesive with it to described locator when described coil electricity, when described coil blackout and described locator keep attracting state.
2. magnetic power-assisted electromagnet as claimed in claim 1, it is characterized in that: the described at least local moving iron core that is made as permanent magnet is the permanent magnet that is sticked at least part of surface of moving iron core, or insert permanent magnet in moving core interior, or embed permanent magnet offering on the moving iron core of groove, or whole moving iron core itself adopts permanent magnet to make.
3. magnetic power-assisted electromagnet as claimed in claim 1, it is characterized in that: described locator is static iron core, described at least local one end away from described static iron core that is made as the moving iron core of permanent magnet is arranged with magnetic balanced spring, when described coil electricity, the described at least local moving iron core that is made as permanent magnet moves and adhesive with it to described static iron core, keeps attracting state during power-off; When described coil is oppositely switched on, the described at least local moving iron core that is made as permanent magnet moves to the direction away from described static iron core, during power-off, can under the effect of described magnetic balanced spring, remain on the position away from described static iron core.
4. magnetic power-assisted electromagnet as claimed in claim 1, it is characterized in that: described locator has two, be located at respectively a distance at described coil two ends, when described coil electricity, the described at least local moving iron core that is made as a permanent magnet wherein described locator moves and adhesive with it, keeps attracting state during power-off; When described coil is oppositely switched on, the described at least local moving iron core that is made as permanent magnet moves and adhesive with it to locator described in another, keeps attracting state during power-off.
5. magnetic power-assisted electromagnet as claimed in claim 4, it is characterized in that: described at least local one end that is made as the moving iron core of permanent magnet is arranged with magnetic balanced spring, and described in the two ends of described magnetic balanced spring are fixedly arranged on respectively, at least part is made as on the moving iron core and described magnetic power-assisted electromagnet frame of permanent magnet.
6. magnetic power-assisted electromagnet as claimed in claim 4, it is characterized in that: the described at least local two ends that are made as the moving iron core of permanent magnet are arranged with respectively magnetic balanced spring, and described in described two magnetic balanced springs are limited in respectively, at least part is made as between the moving iron core and two described locators of permanent magnet.
7. the magnetic power-assisted electromagnet as described in claim 1-6 any one, it is characterized in that: this magnetic power-assisted electromagnet also comprises leapfrog locator, be fixedly connected with the described at least local moving iron core that is made as permanent magnet, or local being made as on the moving iron core of permanent magnet at least described in being shaped in, described leapfrog locator comprises leapfrog push rod and with the Z-shaped structure of leapfrog stopper slot, described leapfrog push rod and described leapfrog stopper slot cooperatively interact, the location of three service positions of at least local moving iron core that is made as permanent magnet described in can realizing.
8. the magnetic power-assisted electromagnet as described in claim 1-6 any one, it is characterized in that: this magnetic power-assisted electromagnet also comprises leapfrog locator, be fixedly connected with the described at least local moving iron core that is made as permanent magnet, or local being made as on the moving iron core of permanent magnet at least described in being shaped in, described leapfrog locator comprises leapfrog push rod and with two of leapfrog stopper slot above Z-shaped cascaded structures, described leapfrog push rod and described leapfrog stopper slot cooperatively interact, the location of four above service positions of at least local moving iron core that is made as permanent magnet described in can realizing.
9. magnetic power-assisted electromagnet as claimed in claim 7, it is characterized in that: described Z-shaped cascaded structure is also provided with leapfrog return slot, described in this leapfrog return slot can make, at least local moving iron core that is made as permanent magnet directly returns to initial service position from final service position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401104.9U CN203982940U (en) | 2014-07-18 | 2014-07-18 | A kind of magnetic power-assisted electromagnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401104.9U CN203982940U (en) | 2014-07-18 | 2014-07-18 | A kind of magnetic power-assisted electromagnet |
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| Publication Number | Publication Date |
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| CN203982940U true CN203982940U (en) | 2014-12-03 |
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| CN201420401104.9U Withdrawn - After Issue CN203982940U (en) | 2014-07-18 | 2014-07-18 | A kind of magnetic power-assisted electromagnet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392822B (en) * | 2014-07-18 | 2017-04-26 | 林威廉 | Magnetic power assisting electromagnet |
-
2014
- 2014-07-18 CN CN201420401104.9U patent/CN203982940U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392822B (en) * | 2014-07-18 | 2017-04-26 | 林威廉 | Magnetic power assisting electromagnet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20170426 |
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| AV01 | Patent right actively abandoned |