CN204408218U - A kind of fine motion energy harvester based on electromagnetic induction - Google Patents
A kind of fine motion energy harvester based on electromagnetic induction Download PDFInfo
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- CN204408218U CN204408218U CN201520085558.4U CN201520085558U CN204408218U CN 204408218 U CN204408218 U CN 204408218U CN 201520085558 U CN201520085558 U CN 201520085558U CN 204408218 U CN204408218 U CN 204408218U
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- cuboid
- iron core
- magnetic material
- soft magnetic
- permanent magnet
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Abstract
The utility model discloses a kind of fine motion energy harvester based on electromagnetic induction.The utility model comprises permanent magnet, soft magnetic material, coil, iron core and filler.Two end faces of described permanent magnet are connected with soft magnetic material respectively, are aided with filler, form a cuboid-type magnet; Coil winding is on cuboid-type iron core; Cuboid-type magnet slides up and down relative to cuboid-type iron core, and upper and lower two panels soft magnetic material is contacted with iron core respectively, changes the magnetic flux of coil, thus kinetic energy is converted to electric energy.The utility model is longer service life compared with piezoelectric ceramics power supply device, compared with the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of cutting magnetic line, have that volume is little, structure is simple, make simple, low cost and other advantages, be particularly suitable for Micropower equipment, as fields such as button, passive switch, remote control equipment, wireless sensor networks.
Description
Technical field
The utility model relates to a kind of fine motion energy harvester, particularly relates to a kind of fine motion energy harvester based on electromagnetic induction.
Background technology
Existing fine motion energy harvester mainly contains generator and piezoelectric ceramics power supply device.Although generator can by producing enough large curtage with running speed faster, its volume ratio is comparatively large, is not generally suitable for the exclusive environmental condition of volume, thus gathers field at de minimis energy and can not get applying widely.Piezoelectric ceramics power supply device has that volume is little, generate electricity the advantage such as simple, but the life-span of piezoelectric ceramic exists certain restriction, may cannot continue power supply after using a period of time because of the damage of piezoelectric ceramic, is not suitable for needing the long-time equipment used.Thus generator and piezoelectric ceramics power supply device are not all optimal selections, gather that field is badly in need of that a kind of structure is simple, volume is little at de minimis energy, economic environmental protection, long service life fine motion energy harvester.
Summary of the invention
The purpose of this utility model is exactly for the deficiencies in the prior art, a kind of fine motion energy harvester based on electromagnetic induction is provided, small kinetic energy can be collected, and be converted into electric energy, its structure is simple, volume is little, economic environmental protection, long service life.
The technical scheme that the utility model adopts is:
The utility model comprises permanent magnet, soft magnetic material, coil, iron core and filler.Two end faces of described permanent magnet are connected with soft magnetic material respectively, are aided with filler, form a cuboid-type magnet; Coil winding is on cuboid-type iron core; Cuboid-type magnet slides up and down relative to cuboid-type iron core, and upper and lower two panels soft magnetic material is contacted with iron core respectively, changes the magnetic flux of coil, thus kinetic energy is converted to electric energy.
Furtherly, bottom iron core or cuboid-type magnet, an elastic device is connected with.
Furtherly, described elastic device is spring or shell fragment.
Furtherly, the constituted mode of described cuboid-type magnet is that the end face of permanent magnet is connected with the side of soft magnetic material, and filler is added in the gap of permanent magnet and soft magnetic material surrounding, forms a smooth cuboid.
The beneficial effects of the utility model: adopt electromagnetic induction electricity generating principle, small kinetic energy can be collected, and be converted into electric energy.The utility model is longer service life compared with piezoelectric ceramics power supply device, compared with the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of cutting magnetic line, have that volume is little, structure is simple, make simple, low cost and other advantages, be particularly suitable for Micropower equipment, as fields such as button, passive switch, remote control equipment, wireless sensor networks.
Accompanying drawing explanation
Fig. 1 is that legend implemented by a kind of fine motion energy harvester first based on electromagnetic induction;
Fig. 2 is that legend implemented by a kind of fine motion energy harvester second based on electromagnetic induction.
Embodiment
In order to clearer elaboration the purpose of this utility model, technical scheme and advantage, once in conjunction with the accompanying drawings and embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, instead of limit the utility model.
As shown in Figure 1, a kind of fine motion energy harvester based on electromagnetic induction of the utility model, comprises permanent magnet 1, soft magnetic material 2-1,2-2, filler 3, coil 4, iron core 5, elastic device 6.Permanent magnet and soft magnetic material connected mode have four kinds, respectively: 1, the end face of permanent magnet is connected with the side of soft magnetic material; 2, the end face of permanent magnet is connected with the end face of soft magnetic material; 3, the side of permanent magnet is connected with the side of soft magnetic material; 4, the side of permanent magnet is connected with the end face of soft magnetic material.Scheme 1 is other scheme comparatively, and comparatively side is strong for the end face magnetic of permanent magnet magnetism, and the side of soft magnetic material is larger compared with the contact-making surface of end face, and thus in scheme 1, soft magnetic material can be magnetized fully, best results.Need filling part filler 3 around the contacting of permanent magnet and soft magnetic material, form a smooth cuboid, permanent magnet can be prevented damaged so on the one hand, also be convenient to sliding up and down of magnet on the other hand.In sliding process, only have soft magnetic material to contact with iron core all the time, can prevent permanent magnet from frequently contacting with iron core and being worn, thus affect the life-span of permanent magnet.When gap is less, magnetic force is enough large and external force reaches requirement, generally can think that magnet only has two kinds with the relative position of iron core: 1, the soft magnetic material of magnet upper end contacts with iron core; 2, the soft magnetic material of magnet lower end contacts with iron core.In the state shown in Fig. 1, coil 4, iron core 5 are relative with elastic device 6 fixing, and under initial condition, the upper end soft magnetic material 2-1 of cuboid-type magnet contacts with iron core, and soft magnetic material 2-2 is unsettled.Under this state, iron core is by the magnet magnetization near S pole, and the magnetic induction line direction in coil 4 roughly as illustrated by the arrows in fig. 1.
Fig. 2 is under the effect of external force, and cuboid-type magnet moves downward, and the lower end soft magnetic material 2-2 of magnet contacts with iron core, and soft magnetic material 2-1 is unsettled.Now iron core is by the magnet magnetization near N pole, contrary just in time with Fig. 1 of the line of magnetic induction in coil 4, magnetic flux in such coil 4 there occurs larger change, according to electromagnetic induction principle, when the area of coil 4 is comparatively large, the number of turn is more, can produce a larger electric current, this electric current can be used for Micropower equipment to use after rectifying and voltage-stabilizing.Now, due to the deformation of elastic device 6, also store certain mechanical energy, after external force disappears, elastic device 6 can by cuboid-type magnet bullet to the position described in Fig. 1, and the line of magnetic induction direction in this process coil 4 changes again, the electric current that generation one is larger again.Visible, and do not have compared with elastic device 6, generating efficiency is doubled, but also makes device more complicated, in specific implementation process, can adjust according to actual conditions.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all make in spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included in protection range of the present utility model.
Claims (4)
1. the fine motion energy harvester based on electromagnetic induction, comprise permanent magnet, soft magnetic material, coil, iron core and filler, it is characterized in that: two end faces of described permanent magnet are connected with soft magnetic material respectively, are aided with filler, form a cuboid-type magnet; Coil winding is on cuboid-type iron core; Cuboid-type magnet slides up and down relative to cuboid-type iron core, and upper and lower two panels soft magnetic material is contacted with iron core respectively, changes the magnetic flux of coil, thus kinetic energy is converted to electric energy.
2. a kind of fine motion energy harvester based on electromagnetic induction according to claim 1, is characterized in that: bottom iron core or cuboid-type magnet, be connected with an elastic device.
3. a kind of fine motion energy harvester based on electromagnetic induction according to claim 2, is characterized in that: described elastic device is spring or shell fragment.
4. a kind of fine motion energy harvester based on electromagnetic induction according to claim 1, it is characterized in that: the constituted mode of described cuboid-type magnet is that the end face of permanent magnet is connected with the side of soft magnetic material, filler is added in the gap of permanent magnet and soft magnetic material surrounding, forms a smooth cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085558.4U CN204408218U (en) | 2015-02-08 | 2015-02-08 | A kind of fine motion energy harvester based on electromagnetic induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085558.4U CN204408218U (en) | 2015-02-08 | 2015-02-08 | A kind of fine motion energy harvester based on electromagnetic induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204408218U true CN204408218U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520085558.4U Expired - Fee Related CN204408218U (en) | 2015-02-08 | 2015-02-08 | A kind of fine motion energy harvester based on electromagnetic induction |
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| CN (1) | CN204408218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047100A1 (en) * | 2017-09-07 | 2019-03-14 | 刘远芳 | Pulse generator, and corresponding passive proportional control apparatus and adjustment method therefor |
| CN110584528A (en) * | 2019-10-16 | 2019-12-20 | 曹明丽 | Cleaning brush for high-rise glass |
-
2015
- 2015-02-08 CN CN201520085558.4U patent/CN204408218U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047100A1 (en) * | 2017-09-07 | 2019-03-14 | 刘远芳 | Pulse generator, and corresponding passive proportional control apparatus and adjustment method therefor |
| CN110176847A (en) * | 2017-09-07 | 2019-08-27 | 刘远芳 | Passive proportion control device |
| CN110176847B (en) * | 2017-09-07 | 2021-04-27 | 刘远芳 | Passive proportional control device |
| CN110584528A (en) * | 2019-10-16 | 2019-12-20 | 曹明丽 | Cleaning brush for high-rise glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20220208 |