CN206698091U - Electricity energy harvester based on dither effect - Google Patents
Electricity energy harvester based on dither effect Download PDFInfo
- Publication number
- CN206698091U CN206698091U CN201720385409.9U CN201720385409U CN206698091U CN 206698091 U CN206698091 U CN 206698091U CN 201720385409 U CN201720385409 U CN 201720385409U CN 206698091 U CN206698091 U CN 206698091U
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- mass
- energy harvester
- dither effect
- electricity energy
- hexahedron
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Abstract
It the utility model is related to a kind of electricity energy harvester based on dither effect.The utility model discloses a kind of electricity energy harvester based on dither effect, vibrational energy collecting efficiency and sensitivity can be improved.Electricity energy harvester of the present utility model based on dither effect, including hexahedron shell, resilient support, mass, permanent magnet, induction coil, current converter and energy storage device, the induction coil is arranged on hexahedron shell, the mass is suspended in hexahedron shell by resilient support, the permanent magnet is arranged on mass, the induction coil electrically connects with current converter, and the current converter electrically connects with energy storage device.The utility model receives vibrational energy using the mass of resilient support suspension structure, and vibrational energy is converted into electric energy using induction coil output current.Because hexahedron shell can arrange six groups of induction coils, the vibration to space all directions is capable of responding to, and substantially increases vibration sensitivity and conversion efficiency.
Description
Technical field
It the utility model is related to stray energy acquisition technique field, more particularly to vibrational energy acquisition technique.Specifically
It is a kind of electricity energy harvester based on dither effect.
Background technology
With the extensive use of MEMS and technology of wireless sensing network, the power supply of low power dissipation electron equipment turns into system
The about bottleneck problem of its application.Under chemical cell power supply mode generally existing short life widely used at present and special environment not
The problems such as easily changing., can be by collecting the vibrational energy of generally existing in nature to solve this problem, being translated into electric energy is
Miniature low power dissipation electron equipment power supply.Prior art is typically all that vibrational energy is converted into electric energy by electromagnetic induction, generally
Referred to as electromagnetic induction generates electricity.Or vibrational energy is converted into electric energy, such as piezoelectric cantilever using piezo-electric effect, it is possible to by
Electric energy is exported during vibration.Electromagnetic induction based on vibration generates electricity, relevant with Oscillation Amplitude, vibration frequency etc..Apparatus structure is very
The efficiency of energy acquisition is determined in big degree, people are made that unremitting effort for this.Energy of the prior art based on dither effect
Harvester is measured, otherwise it is complicated, or sensitivity is low, can not still meet the needs of people.Adopted to improve vibrational energy
Collection ability, piezoelectricity-Electromagnetic heating type energy accumulator are also a kind of good selection.
Utility model content
Main purpose of the present utility model is to provide a kind of electricity energy harvester based on dither effect, raising vibrational energy
Measure collecting efficiency and sensitivity.
To achieve these goals, according to the one side of the utility model embodiment, there is provided one kind is based on
The electricity energy harvester of dither effect, including hexahedron shell, resilient support, mass, permanent magnet, induction coil, electric current turn
Parallel operation and energy storage device, the induction coil are arranged on hexahedron shell, and the mass is suspended on six by resilient support
In the body case of face, the permanent magnet is arranged on mass, and the induction coil electrically connects with current converter, and the electric current turns
Parallel operation electrically connects with energy storage device.
Specifically, the resilient support is helical spring.
Further, piezoelectric cantilever is installed, the piezoelectric cantilever output end is changed with electric current on the mass
Device electrically connects.
Specifically, described piezoelectric cantilever one end is fixed on mass, the other end is hanging.
Specifically, the energy storage device is super capacitor.
Specifically, the hexahedron shell is regular hexahedron shell, the mass is located at regular hexahedron housing center position
Put.
Further, the mass is regular hexahedron, and the permanent magnet is respectively placed in the center in six faces of regular hexahedron.
Further, six faces of the mass are parallel with six faces of hexahedron shell respectively.
Further, the induction coil is respectively placed in the center in six faces of hexahedron shell.
Further, the resilient support totally four, is respectively placed in four summits of regular hexahedron shell and mass four
Between summit.
The utility model can provide reliable and stable energy source for many low power dissipation electron equipment, and can be applied to special type
Collection of energy field under vibration environment, realize " the automatically supplying " of energy, and a kind of solution route for tackling energy crisis.This
Utility model receives vibrational energy using the mass of resilient support suspension structure, is turned vibrational energy using induction coil output current
Change electric energy into.Because hexahedron shell can arrange six groups of induction coils, the vibration to space all directions is capable of responding to, greatly
Improve vibration sensitivity and conversion efficiency greatly.Piezo-electric effect generating is added in further program of the utility model, enters one
The collection that step improves vibrational energy utilizes.The stable structure of hexahedron shell seal, can pacify device of the present utility model
It is attached to the place of substantially any needs.And because hexahedron structure is better simply polyhedral structure, the utility model also has
There is the advantages of simple in construction firm, cost is cheap, go for the energy supply of the low power dissipation electron equipment of some particular surroundings.
The utility model is described further with reference to the accompanying drawings and detailed description.What the utility model added
Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or pass through this practicality
New practice is recognized.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Embodiment, schematic description and description be used for explain the utility model, do not form to it is of the present utility model not
Work as restriction.In the accompanying drawings:
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is mass and hexahedron shell configuration relation schematic diagram.
Wherein:1st, backboard;2nd, piezoelectric cantilever;3rd, induction coil;4th, helical spring;5th, mass;6th, permanent magnet;7th, it is left
Side plate;8th, panel;9th, right plate;10th, bottom plate;A, B, C, D are four drift angles of regular hexahedron shell;A, b, c, d are mass
Four drift angles.
Embodiment
It should be noted that in the case where not conflicting, embodiment, embodiment in the application and therein
Feature can be mutually combined.Let us now refer to the figures and combine herein below and describe the utility model in detail.
In order that those skilled in the art are better understood from the utility model, it is specific below in conjunction with the utility model
Accompanying drawing in embodiment, embodiment, the technical scheme in the utility model embodiment, embodiment is carried out it is clear,
Complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, embodiment, those of ordinary skill in the art are not making creative labor
Every other embodiment, the embodiment obtained on the premise of dynamic, it should all belong to the scope of the utility model protection.
Embodiment
As depicted in figs. 1 and 2, electricity energy harvester of this example based on dither effect, by 100, four, regular hexahedron shell
Helical spring 4, regular hexahedron shape mass 5, be embedded in the permanent magnet 6 at 5 six faces of mass center, installed in positive six face
Group (is not shown) in the induction coil 3 at 100 6 faces of body case center, and current converter and energy storage device in Fig. 1 and Fig. 2
Into.As shown in figure 1, regular hexahedron shell 100 is by left plate 7, right plate 9, backboard 1, panel 8, bottom plate 10 and panel (in Fig. 1
It is not shown) form, regular hexahedron shell 100 of the present utility model is not required material thickness, as long as can ensure that structure is strong
Spend can.For the ease of arrangement induction coil and the interference to permanent magnet is reduced, the generally use of regular hexahedron shell 100 is non-
Metal material, such as plastics, plank.Under inactive state, this example mass 5 is directly connected by four helical springs 4 of its drift angle
It is connected to the corresponding vertex of regular hexahedron shell 100, i.e. in Fig. 2, four helical springs are connected to A-a, B-b, C-c and D-
Between d, mass 5 is set to be suspended on the center of regular hexahedron shell 100.Six faces of mass 5 respectively with regular hexahedron
Six faces of shell are parallel, and the induction coil 3 on 100 6 faces of regular hexahedron shell is exactly in the permanent magnet 6 on mass 5
Corresponding position.When mass 5 is by external vibration stimulus movement, induction coil 3 is produced due to the change of magnetic flux
Electric current, the electric current are exported direct current by proper transformation and carried out to energy storage device by the wire input current converter of softness
Storage.In order to make full use of vibrational energy, four piezoelectric cantilevers 2 are mounted with this example mass 5, the one end of piezoelectric cantilever 2 is consolidated
It is scheduled on mass 5, the other end is in vacant state, and piezoelectric cantilever passes through due to deforming output current when mass 5 moves
Energy storage device is inputted after current converter.This example energy storage device uses super capacitor, big with power storage amount, and no overshoot etc. is excellent
Point.
This configuration structure of this example, mass are mounted with six permanent magnets, and six sensings are mounted with regular hexahedron shell
Coil, the quantity of induction coil is not only added, and vibration of the mass 5 to all directions is all very sensitive, can actively ring
Extraneous vibration is answered to generate electricity.Because six induction coils and permanent magnet distance are all equal, balance, convenient electricity are compared in induction coil output
Stream transformer is handled.By selecting the coefficient of elasticity of suitable mass quality and resilient support, go for difference
Vibration environment.The shell of the utility model hexahedron structure, it is a kind of simply firm contour structures, can easily consolidates
It is scheduled at various vibration sources, energy is provided for low power dissipation electron equipment.
Claims (10)
1. the electricity energy harvester based on dither effect, including hexahedron shell, resilient support, mass, permanent magnet, the line of induction
Circle, current converter and energy storage device, the induction coil are arranged on hexahedron shell, and the mass passes through resilient support
It is suspended in hexahedron shell, the permanent magnet is arranged on mass, and the induction coil electrically connects with current converter, institute
Current converter is stated to electrically connect with energy storage device.
2. the electricity energy harvester according to claim 1 based on dither effect, it is characterised in that the resilient support is
Helical spring.
3. the electricity energy harvester according to claim 1 based on dither effect, it is characterised in that pacify on the mass
Equipped with piezoelectric cantilever, the piezoelectric cantilever output end electrically connects with current converter.
4. the electricity energy harvester according to claim 3 based on dither effect, it is characterised in that the piezoelectric cantilever
One end is fixed on mass, and the other end is hanging.
5. the electricity energy harvester according to claim 1 based on dither effect, it is characterised in that the energy storage device is
Super capacitor.
6. the electricity energy harvester based on dither effect according to Claims 1 to 5 any one, it is characterised in that institute
It is regular hexahedron shell to state hexahedron shell, and the mass is located at regular hexahedron housing center position.
7. the electricity energy harvester according to claim 6 based on dither effect, it is characterised in that the mass is just
Hexahedron, the permanent magnet are respectively placed in the center in six faces of regular hexahedron.
8. the electricity energy harvester according to claim 7 based on dither effect, it is characterised in that the six of the mass
Individual face is parallel with six faces of hexahedron shell respectively.
9. the electricity energy harvester according to claim 8 based on dither effect, it is characterised in that the induction coil point
The center in six faces of hexahedron shell is not placed in.
10. the electricity energy harvester according to claim 9 based on dither effect, it is characterised in that the resilient support
Totally four, it is respectively placed between four summits in four summits of regular hexahedron shell and mass.
Priority Applications (1)
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CN201720385409.9U CN206698091U (en) | 2017-04-13 | 2017-04-13 | Electricity energy harvester based on dither effect |
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CN201720385409.9U CN206698091U (en) | 2017-04-13 | 2017-04-13 | Electricity energy harvester based on dither effect |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106941308A (en) * | 2017-04-13 | 2017-07-11 | 西南交通大学 | Electricity energy harvester based on dither effect |
CN108347152A (en) * | 2018-01-21 | 2018-07-31 | 周小英 | Hand-held lighting device |
CN108365775A (en) * | 2018-04-24 | 2018-08-03 | 湘潭大学 | A kind of multi-direction vibration piezoelectric energy collecting device |
CN108390593A (en) * | 2018-01-21 | 2018-08-10 | 周小英 | Six degree of freedom magnetic levitation system |
CN108400725A (en) * | 2018-01-21 | 2018-08-14 | 周小英 | Interior six faces magnetcisuspension floating body |
CN110034654A (en) * | 2019-05-15 | 2019-07-19 | 吕梁学院 | A kind of multi-direction vibration energy collector |
-
2017
- 2017-04-13 CN CN201720385409.9U patent/CN206698091U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106941308A (en) * | 2017-04-13 | 2017-07-11 | 西南交通大学 | Electricity energy harvester based on dither effect |
CN106941308B (en) * | 2017-04-13 | 2024-01-30 | 四川易尚天交实业有限公司 | Energy acquisition device based on vibration effect |
CN108347152A (en) * | 2018-01-21 | 2018-07-31 | 周小英 | Hand-held lighting device |
CN108390593A (en) * | 2018-01-21 | 2018-08-10 | 周小英 | Six degree of freedom magnetic levitation system |
CN108400725A (en) * | 2018-01-21 | 2018-08-14 | 周小英 | Interior six faces magnetcisuspension floating body |
CN108390593B (en) * | 2018-01-21 | 2020-04-21 | 龙岩市蚁巢网络科技有限公司 | Six-freedom magnetic suspension device |
CN108400725B (en) * | 2018-01-21 | 2020-04-21 | 龙岩市蚁巢网络科技有限公司 | Internal hexahedral magnetic suspension body |
CN108347152B (en) * | 2018-01-21 | 2020-06-05 | 嘉兴市迅程信息技术有限公司 | Hand-held lighting device |
CN108365775A (en) * | 2018-04-24 | 2018-08-03 | 湘潭大学 | A kind of multi-direction vibration piezoelectric energy collecting device |
CN108365775B (en) * | 2018-04-24 | 2020-04-03 | 湘潭大学 | Multi-direction vibration piezoelectric energy collection device |
CN110034654A (en) * | 2019-05-15 | 2019-07-19 | 吕梁学院 | A kind of multi-direction vibration energy collector |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200413 |
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CF01 | Termination of patent right due to non-payment of annual fee |