CN103546058A - Composite type electric generator based on electromagnetism and friction principle - Google Patents
Composite type electric generator based on electromagnetism and friction principle Download PDFInfo
- Publication number
- CN103546058A CN103546058A CN201310517077.1A CN201310517077A CN103546058A CN 103546058 A CN103546058 A CN 103546058A CN 201310517077 A CN201310517077 A CN 201310517077A CN 103546058 A CN103546058 A CN 103546058A
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- permanent magnet
- electromagnetism
- generator based
- shell
- combined generator
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- 239000002131 composite material Substances 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention relates to the field of micro energy, in particular to a composite type electric generator based on an electromagnetism and friction principle. The composite type electric generator comprises a shell, a top mass block, a top permanent magnet, a friction layer, a metal coil and a bottom permanent magnet, wherein the top mass block, the top permanent magnet, the friction layer, the metal coil and the bottom permanent magnet are arranged in the shell from top to bottom. The shell is of a cylinder shape, the top mass block, the top permanent magnet, the friction layer, the metal coil and the bottom permanent magnet are all cylindrical, and a film wraps the metal coil. The composite type electric generator has the advantages that the composite type electric generator replaces a traditional battery to supply power for a lower-power-consumption electronic component, mutual advantage compensation of an electromagnetic generator and a friction type generator is achieved, energy conversion efficiency of the generator is improved, reliability is high, the separating speed is high, the structure of the component is simplified, and large-scale production is facilitated.
Description
Technical field
The present invention relates to micro-energy field, be specifically related to a kind of combined generator based on electromagnetism and tribology principle.
Background technology
In recent years, it is day by day urgent with application that world energy sources crisis makes the research of new forms of energy.Therefore, energy acquisition technology has been subject to paying close attention to widely.Energy acquisition technology is collected the energy in environment and is converted into electric energy and be used.For the device of collecting solar energy, wind energy, realized industrialization as solar cell, windmill etc.By contrast, the existence of vibrational energy in environment is more stable, and widely distributed.2012, the first nano generator based on tribology principle was successfully prepared and has realized high-performance output [Wang, Z.L.et al.Nano energy, vol.1, pp.328,2012].Subsequently, rapidly, output energy density also continues to increase the nano generator development based on tribology principle, in fields such as energy acquisition, self-power supply systems, is all widely used.
Nano generator output voltage based on tribology principle is high, and through reasonably design, its output voltage can be up to upper kilovolt.But the output current of friction nano generator is very little, is generally a microampere rank, at some, need the occasion of large electric current to be suitable for.In addition, the matched load of friction nano generator is too high, is generally megaohm rank, for the device of little internal resistance, cannot realize energy supply efficiently.Than triboelectricity machine, the electromagnetic generator based on Faraday's electromagnetic induction law has output off current HIGH, the feature of low matched load.Its output characteristic is just contrary with triboelectricity machine, therefore two kinds of mechanism is combined, and realizes and having complementary advantages, and not only can improve energy conversion efficiency, can also widen the range of application of device.
Summary of the invention
In order to address the above problem, the invention provides a kind of combined generator based on electromagnetism and tribology principle, comprise following technical scheme: comprise shell, it is characterized in that: in shell, be provided with from top to bottom top mass, top permanent magnet, frictional layer, wire coil and bottom permanent magnet, shell is cylindrical, top mass, top permanent magnet, frictional layer and wire coil, bottom permanent magnet are all cylindrical, and diameter is all less than internal diameter of outer cover, and wire coil is wrapped with film.
Described shell is plastics or glass; Shell inside diameter is 5mm-30mm, and outside diameter, than the wide 1mm-5mm of inside diameter, is highly 5mm-50mm.
Described top mass is metallic iron or metallic copper or alloy material or the larger material of other density, and top mass quality is 1g-50g.
Described top permanent magnet and bottom permanent magnet are neodymium iron boron.
Described frictional layer is silicon rubber or Fypro or metal material or other easy betatopic material.
Described wire coil is metallic copper; Wire coil live width is 80 μ m-200 μ m, and spacing is 80 μ m-200 μ m, is highly 10 μ m-40 μ m.
The material of described film is polyimides, and the thickness of film is 20 μ m-50 μ m.
The invention has the advantages that:
1, the combined generator based on electromagnetism and tribology principle that the present invention proposes adopts cylinder mode, and similar with conventional batteries shape, the substitute that can be used as conventional batteries is the energy supply of low power dissipation electron device.
2, the combined generator that the present invention proposes, is combined electromagnetic induction principle with triboelectrification-electrostatic induction principle, realized the mutual supplement with each other's advantages of electromagnetic generator and friction-type generator, has improved the energy conversion efficiency of generator.
What 3, the present invention proposed makes two kind friction materials rapidly separated with the combined generator of tribology principle by electromagnetic repulsion force based on electromagnetism, with traditional mechanical separate mode, compares, and reliability is stronger, and separating rate is faster.
4, the combined generator based on electromagnetism and tribology principle that the present invention proposes adopts copper coil as the hearth electrode of triboelectricity machine, adopts permanent magnet as the top electrode of triboelectricity machine, has simplified the structure of device, is conducive to large-scale production.
Accompanying drawing explanation
Fig. 1 is combined generator three-dimensional structure schematic diagram of the present invention;
Fig. 2 is combined generator profile of the present invention;
Fig. 3 is combined generator bottom view of the present invention;
Fig. 4 is combined generator wire coil of the present invention and is coated polyimide structures end view around;
Fig. 5 is the output voltage of combined generator electromagnet portion of the present invention, and output voltage peak value is about 10mV;
Fig. 6 is the output voltage of combined generator friction portion of the present invention, and output voltage peak value is about 20V.
Embodiment
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the present invention and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment: as shown in Figures 1 to 6, comprise shell 1, top mass 2, top permanent magnet 3, frictional layer 4, wire coil 5, film 6, bottom permanent magnet 7,
Top permanent magnet 3 is equipped with in mass 2 belows in top, adopts neodymium iron boron (NdFeB) material;
The frictional layer 4 of silastic material is equipped with in permanent magnet 3 belows in top;
Bottom permanent magnet 7 is equipped with in wire coil 5 belows, adopts neodymium iron boron (NdFeB) material;
By opposite polarity top permanent magnet 3 and bottom permanent magnet 8, provide electromagnetic repulsion force, make two friction surfaces separated rapidly, produce the electricity output based on friction.Meanwhile, adopt flexible print wiring board technique to prepare wire coil 5, when making top permanent magnet 3 and 8 motion of bottom permanent magnet, in wire coil 5, produce induced voltage, improve the energy conversion efficiency of composite generator.
Above a kind of combined generator based on electromagnetism and tribology principle provided by the present invention is described in detail, with reference to accompanying drawing, the application's exemplary embodiment is described above.Those skilled in the art should understand that; above-mentioned embodiment is only used to the object illustrating and the example of lifting; rather than be used for limiting; any modification of doing under all instructions in the application and claim protection range, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (7)
1. the combined generator based on electromagnetism and tribology principle, comprise shell, it is characterized in that: in shell, be provided with from top to bottom top mass, top permanent magnet, frictional layer, wire coil and bottom permanent magnet, shell is cylindrical, top mass, top permanent magnet, frictional layer, wire coil and bottom permanent magnet are all cylindrical, diameter is all less than internal diameter of outer cover, and wire coil is wrapped with film.
2. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: described shell is plastics or glass; Shell inside diameter is 5mm-30mm, and outside diameter, than the wide 1mm-5mm of inside diameter, is highly 5mm-50mm.
3. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: described top mass is metallic iron or metallic copper or alloy material or the larger material of other density, and top mass quality is 1g-50g.
4. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: described top permanent magnet and bottom permanent magnet are neodymium iron boron.
5. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: described frictional layer is silicon rubber or Fypro or metal material or other easy betatopic material.
6. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: described wire coil is metallic copper; Wire coil live width is 80 μ m-200 μ m, and spacing is 80 μ m-200 μ m, is highly 10 μ m-40 μ m.
7. a kind of combined generator based on electromagnetism and tribology principle according to claim 1, is characterized in that: the material of described film is polyimides, and the thickness of film is 20 μ m-50 μ m.
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| CN201310517077.1A CN103546058B (en) | 2013-10-28 | 2013-10-28 | A kind of combined generator based on electromagnetism Yu tribology principle |
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| CN201310517077.1A CN103546058B (en) | 2013-10-28 | 2013-10-28 | A kind of combined generator based on electromagnetism Yu tribology principle |
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| CN103546058A true CN103546058A (en) | 2014-01-29 |
| CN103546058B CN103546058B (en) | 2016-08-17 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953785A (en) * | 2015-07-30 | 2015-09-30 | 苏州大学 | Energy harvester |
| CN105490578A (en) * | 2014-09-16 | 2016-04-13 | 北京纳米能源与系统研究所 | Composite nano power generator of contact separation type |
| CN106105010A (en) * | 2014-03-18 | 2016-11-09 | 意大利学院科技基金会 | The frictional electricity compound collected for mechanical energy and sense |
| CN106208800A (en) * | 2015-04-30 | 2016-12-07 | 北京纳米能源与系统研究所 | A kind of slidingtype composite nano generator |
| CN108123642A (en) * | 2016-11-30 | 2018-06-05 | 北京纳米能源与系统研究所 | Friction nanometer power generator and preparation method thereof |
| CN108429428A (en) * | 2018-03-08 | 2018-08-21 | 北京大学 | The multi-direction vibration energy collector of electromagnet-friction combined type and its manufacturing method |
| CN108471219A (en) * | 2018-04-08 | 2018-08-31 | 西北工业大学 | The contactless wearable electromagnetism of one kind-friction mixing nanometer generating device and preparation method |
| CN108539785A (en) * | 2018-04-19 | 2018-09-14 | 先控捷联电气股份有限公司 | Inverter synchronous method and device |
| WO2019090820A1 (en) * | 2017-11-10 | 2019-05-16 | 苏州大学 | Composite rotation energy collector |
| CN109787535A (en) * | 2019-02-18 | 2019-05-21 | 中北大学 | A kind of energy gathering devices |
| CN109889009A (en) * | 2019-03-21 | 2019-06-14 | 中山大学 | A kind of electromagnetism based on magnetic acicular texture-friction combined generator |
| CN110572074A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Multifunctional magnet-induced combined friction-piezoelectric-electromagnetic energy harvesting device |
| CN112054712A (en) * | 2020-09-03 | 2020-12-08 | 重庆邮电大学 | Friction-electromagnetism combined type nanoscale collector based on magnetic suspension ultralow resistance |
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| US20070007827A1 (en) * | 2003-08-28 | 2007-01-11 | Harris Nicholas R | Electromagnetic device for converting mechinal vibrational energy into electrical energy, and manufacture thereof |
| CN103107739A (en) * | 2013-02-28 | 2013-05-15 | 北京理工大学 | Movable-magnet-type electromagnetism-piezoelectricity-combined-type broadband energy harvester based on micro-electromechanical systems (MEMS) |
| CN103178744A (en) * | 2013-03-26 | 2013-06-26 | 北京大学 | Composite nano generator based on piezoelectric friction electromagnetism |
| CN103368450A (en) * | 2013-01-28 | 2013-10-23 | 国家纳米科学中心 | Frictional electricity nano-generator and shoe pad utilizing frictional electricity nano-generator |
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2013
- 2013-10-28 CN CN201310517077.1A patent/CN103546058B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070007827A1 (en) * | 2003-08-28 | 2007-01-11 | Harris Nicholas R | Electromagnetic device for converting mechinal vibrational energy into electrical energy, and manufacture thereof |
| CN103368450A (en) * | 2013-01-28 | 2013-10-23 | 国家纳米科学中心 | Frictional electricity nano-generator and shoe pad utilizing frictional electricity nano-generator |
| CN103107739A (en) * | 2013-02-28 | 2013-05-15 | 北京理工大学 | Movable-magnet-type electromagnetism-piezoelectricity-combined-type broadband energy harvester based on micro-electromechanical systems (MEMS) |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106105010A (en) * | 2014-03-18 | 2016-11-09 | 意大利学院科技基金会 | The frictional electricity compound collected for mechanical energy and sense |
| CN106105010B (en) * | 2014-03-18 | 2018-10-09 | 意大利学院科技基金会 | The frictional electricity compound collected and incuded for mechanical energy |
| CN105490578B (en) * | 2014-09-16 | 2018-01-02 | 北京纳米能源与系统研究所 | A kind of contact separation formula composite nano generator |
| CN105490578A (en) * | 2014-09-16 | 2016-04-13 | 北京纳米能源与系统研究所 | Composite nano power generator of contact separation type |
| CN106208800A (en) * | 2015-04-30 | 2016-12-07 | 北京纳米能源与系统研究所 | A kind of slidingtype composite nano generator |
| CN104953785A (en) * | 2015-07-30 | 2015-09-30 | 苏州大学 | Energy harvester |
| CN108123642A (en) * | 2016-11-30 | 2018-06-05 | 北京纳米能源与系统研究所 | Friction nanometer power generator and preparation method thereof |
| CN108123642B (en) * | 2016-11-30 | 2020-08-18 | 北京纳米能源与系统研究所 | Friction nanometer generator and preparation method thereof |
| WO2019090820A1 (en) * | 2017-11-10 | 2019-05-16 | 苏州大学 | Composite rotation energy collector |
| US11228259B2 (en) | 2017-11-10 | 2022-01-18 | Soochow University | Hybrid rotary energy harvester |
| CN108429428A (en) * | 2018-03-08 | 2018-08-21 | 北京大学 | The multi-direction vibration energy collector of electromagnet-friction combined type and its manufacturing method |
| CN108429428B (en) * | 2018-03-08 | 2019-12-10 | 北京大学 | Electromagnetic friction composite type multidirectional vibration energy collector and manufacturing method thereof |
| CN108471219A (en) * | 2018-04-08 | 2018-08-31 | 西北工业大学 | The contactless wearable electromagnetism of one kind-friction mixing nanometer generating device and preparation method |
| CN108471219B (en) * | 2018-04-08 | 2019-11-05 | 西北工业大学 | The contactless wearable electromagnetism of one kind-friction mixing nanometer generating device and preparation method |
| CN108539785A (en) * | 2018-04-19 | 2018-09-14 | 先控捷联电气股份有限公司 | Inverter synchronous method and device |
| CN109787535A (en) * | 2019-02-18 | 2019-05-21 | 中北大学 | A kind of energy gathering devices |
| CN109889009A (en) * | 2019-03-21 | 2019-06-14 | 中山大学 | A kind of electromagnetism based on magnetic acicular texture-friction combined generator |
| CN110572074A (en) * | 2019-09-20 | 2019-12-13 | 长春工业大学 | Multifunctional magnet-induced combined friction-piezoelectric-electromagnetic energy harvesting device |
| CN112054712A (en) * | 2020-09-03 | 2020-12-08 | 重庆邮电大学 | Friction-electromagnetism combined type nanoscale collector based on magnetic suspension ultralow resistance |
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