CN207074963U - A kind of sole de minimis energy collector for being applied to collection human motion energy - Google Patents
A kind of sole de minimis energy collector for being applied to collection human motion energy Download PDFInfo
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- CN207074963U CN207074963U CN201721044041.6U CN201721044041U CN207074963U CN 207074963 U CN207074963 U CN 207074963U CN 201721044041 U CN201721044041 U CN 201721044041U CN 207074963 U CN207074963 U CN 207074963U
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Abstract
It the utility model is related to a kind of de minimis energy harvester, and in particular to a kind of sole de minimis energy collector for being applied to collection human motion energy, overcome that acquisition mode existing for prior art is more single, the less efficient problem of energy acquisition；Mainly by supporter, vibrational structure and electromagnetic coil structure three parts composition；Supporter is fixed in sole, and the inside of supporter is cavity, and the top and bottom inside supporter are respectively fixed with electromagnetic coil structure, and vibrational structure is fixed with the vertical side of supporter.Vibrational structure is mainly made up of S type piezoelectric beams, suspension block and permanent magnet；Electromagnetic coil structure is mainly made up of magnet coil, interior electrode cable and dispatch from foreign news agency polar conductor；The center that the axis of magnet coil passes through permanent magnet；The utility model uses two kinds of energy acquisition mechanism of piezoelectricity and electromagnetism, improves energy acquisition power；The utility model is simple in construction, is easy to be processed manufacture using the method for minute manufacturing, technique is simple, is easy to produce in batches.
Description
Technical field
A kind of de minimis energy harvester is the utility model is related to, more particularly to one kind is used for during human motion, it is right
The device of people's sole kinergety collection.
Background technology
With the rapid development of MEMS and radio sensing network, how they are powered to have turned into restricts its development
A big obstacle.Especially for the people of hobby field exploration and challenge, not only need to carry substantial amounts of daily necessities, it is also necessary to
Many energy batteries are carried, ensure that communication is unimpeded, the added burden of hobby exploration personage are caused, in addition, traditional based on battery
The mode of power supply is, it is necessary to frequently carry out replacement operation.Moreover, exploration personage in the wild in motion process, can produce huge
Vibrational energy, therefore, how the kinergety of human body to be recycled, the equipment entrained by itself, which carries out energy supply, to be become
It is more and more important.
Traditional energy collecting device based on oscillatory type be mainly used in gather environment in vibrational energy, and acquisition mode compared with
To be single, energy acquisition it is less efficient.Related product and skill for how to gather caused energy during human motion
Art is not also overripened, and mechanism is single.Therefore, caused energy during human motion how is effectively gathered, improves its energy
Output density is measured, turns into the focus of current research.
The content of the invention
The technical problems to be solved by the invention are to overcome that acquisition mode existing for prior art is more single, and energy is adopted
The less efficient problem of collection, there is provided a kind of sole de minimis energy collector for being applied to collection human motion energy, realize to people
The recycling of body kinergety, the radio-based electronic devices to carry with carry out energy supply.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization, it is described with reference to the drawings as follows：
A kind of sole de minimis energy collector for being applied to collection human motion energy, it is characterised in that：Mainly by supporting
Body 1, vibrational structure and electromagnetic coil structure three parts composition；Described supporter 1 is fixed in sole, and the inside of supporter is
Cavity, the top and bottom inside supporter are respectively fixed with electromagnetic coil structure, are fixed with and shake on the vertical side of supporter
Dynamic structure.
Vibrational structure described in technical scheme is mainly made up of S types piezoelectric beam 2, suspension block 3 and permanent magnet 4；
The fixing end of described S types piezoelectric beam 2 is fixed on the vertical side of supporter 1, the fixing end of S types piezoelectric beam 2
Upper surface is successively covered with Pt lower electrode layers 2-1, PVDF piezoelectric layer 2-2 and Pt upper electrode layer 2-3；
The rectangular parallelepiped structure at the on-fixed end of the on-fixed end of the S types piezoelectric beam 2 S type piezoelectric beam adjacent with another
It is connected, by connecting the rotor 3-1 of suspension block 3, suspension block 3 is suspended in the cavity of supporter 1；
The upper and lower surface of described suspension block 3 respectively has 1 fixed permanent magnet 4.
Electromagnetic coil structure described in technical scheme is mainly by magnet coil 5, interior electrode cable 5-1 and dispatch from foreign news agency polar conductor
5-2 is formed；The magnet coil 5 is helicoidal structure, provided with two, is being separately fixed at permanent magnet 4 in vibrational structure just
Top and underface, the center that the axis of magnet coil 5 passes through permanent magnet 4；
Described permanent magnet 4 up-down vibration with the vibration of S types piezoelectric beam 2, cause the upper end supporting part of supporter 1 with
The magnetic flux of magnet coil 5 on the supporting part of end changes；
The both ends of interior electrode cable 5-1 and dispatch from foreign news agency polar conductor 5-2 respectively with magnet coil 5 are connected, and will pass through farad
Electric energy caused by the law of electromagnetic induction is exported.
S types piezoelectric beam 2 described in technical scheme is provided with 8；Described S type piezoelectric beam fixing ends are separately fixed at support
On the vertical side of 8 of body 1.
Pt upper electrode layer 2-3 and Pt lower electrode layer 2-1 described in technical scheme, are mainly made up of Pt electrode materials, make
For the output electrode of PVDF piezoelectric layer 2-2 energy；
Described PVDF piezoelectric layer 2-2 is mainly made up of PVDF thin film, is shaken for gathering S types piezoelectric beam 2 with human body shoes
Energy during dynamic；
Described S types piezoelectric beam 2 vibrates with the motion of people, causes the PVDF piezoelectric layer 2-2 of fixing end to occur
Strain, produce electric charge and export electric energy, and PVDF piezoelectric layer 2-2 institutes are gathered by Pt upper electrode layer 2-3 and Pt lower electrode layers 2-1
The electric energy of output.
The underlying structure of supporter 1 and the structure of S types piezoelectric beam 2 described in technical scheme is mainly by PDMS organosilicon materials
Composition.
The center section of suspension block 3 described in technical scheme is the flat board of square, and its surrounding has 4 cuboid rotor 3-
1, respectively the rectangular parallelepiped structure with the on-fixed end of S types piezoelectric beam 2 be connected.
A kind of sole de minimis energy collector for being applied to collection human motion energy can be made described in technical scheme
Array is arranged in the sole of people, carries out the energy acquisition of large area.
Compared with prior art the beneficial effects of the invention are as follows：
(1) two kinds of energy acquisition mechanism of piezoelectricity and electromagnetism are used, energy acquisition power can be improved；
(2) output voltage, can be cascaded by 8 S type piezoelectric beams on each unit, improve output voltage；
(3) size of de minimis energy collector is smaller, can carry out a large amount of soles for being arranged in people of array, carry out big
The energy acquisition of area, improve energy output；
(4) structure of de minimis energy collector is simple, is easy to be processed manufacture, technique letter using the method for minute manufacturing
It is single, it is easy to produce in batches.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is a kind of knot of sole de minimis energy collector for being applied to collection human motion energy described in the utility model
Structure schematic diagram；
Fig. 2 is a kind of knot of sole de minimis energy collector for being applied to collection human motion energy described in the utility model
Structure partial sectional view；
Fig. 3 is vibrational structure schematic diagram；
Fig. 4 is S type piezoelectric beam structural representations；
Fig. 5 is electromagnetic coil structure schematic diagram；
Fig. 6 is a kind of sole de minimis energy collector for being applied to collection human motion energy described in the utility model in footwear
The array structure distribution map at bottom；
In figure：1. supporter, 2.S type piezoelectric beams, 2-1.Pt lower electrode layers, 2-2.PVDF piezoelectric layers, 2-3.Pt Top electrodes
Layer, 3. suspension blocks, 3-1. suspension block rotors, 4. permanent magnets, 5. magnet coils, electrode cable in 5-1., 5-2. dispatch from foreign news agency polar conductors.
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
As shown in fig.1, a kind of sole de minimis energy collector for being applied to collection human motion energy of the utility model,
Mainly by supporter 1, vibrational structure and electromagnetic coil structure three parts composition.
Described supporter 1 is fixed in the sole of human body, and the inside of supporter is cavity, upper end supporting part and lower end branch
Electromagnetic coil structure is respectively fixed with support part, piezoelectricity S type piezoelectricity girder constructions is respectively fixed with 8 vertical sides, is used for
Fixed vibrational structure.
Refering to Fig. 2, Fig. 3, described vibrational structure is mainly made up of S types piezoelectric beam 2, suspension block 3 and permanent magnet 4.
Refering to Fig. 4, described S types piezoelectric beam 2 has 8, and two end is rectangular parallelepiped structure, and centre is S type structures
Square-section girder construction.Described S type piezoelectric beam fixing ends are separately fixed on 8 vertical sides of supporter 1, its fixing end
Upper surface is successively covered with Pt lower electrode layers 2-1, PVDF piezoelectric layer 2-2 and Pt upper electrode layer 2-3.
The rectangular parallelepiped structure at the on-fixed end of the on-fixed end of the S types piezoelectric beam S type piezoelectric beam adjacent with another
It is connected, by connecting the rotor 3-1 of suspension block 3, suspension block 3 is suspended in the cavity of supporter 1.
Described Pt upper electrode layer 2-3 and Pt lower electrode layer 2-1, are mainly made up of Pt electrode materials, as PVDF piezoelectricity
The output electrode of layer 2-2 energy.
Described PVDF piezoelectric layer 2-2 is mainly made up of PVDF thin film, according to piezo-electric effect, available for collection S type piezoelectricity
Beam 2 is with the energy in human body shoes vibration processes.
Described S types piezoelectric beam 2 can vibrate with the motion of people, cause the PVDF piezoelectric layer 2-2 of fixing end
Strain, produce electric charge and export electric energy, and PVDF piezoelectric layer is gathered by Pt upper electrode layer 2-3 and Pt lower electrode layers 2-1
The electric energy that 2-2 is exported.
Pt upper electrode layer 2-3 and Pt lower electrode layers 2-1 is the output electrode of PVDF piezoelectric layer, and PVDF piezoelectric layer is in vibration
During, electric energy is converted mechanical energy into, the energy of collection is exported by upper/lower electrode layer.
Described S types piezoelectric beam 2 can reduce the resonant frequency of itself girder construction, energy sampler is in human body fortune
Dynamic frequency band range, be advantageous to increase the vibration amplitude of large S-shaped piezoelectric beam 2, improve the density of energy acquisition.
Described supporter 1 and the underlying structure of the structure of S types piezoelectric beam 2 are mainly organic by PDMS (dimethyl silicone polymer)
Silicon materials form, the material has good elastic and low Young's modulus, can the significantly relatively low structure of S types piezoelectric beam 2
Resonant frequency, the resonant frequency of the structure of S types piezoelectric beam 2 is set to improve energy power output close to the motion frequency of human body.
The described center section of suspension block 3 is the flat board of square, and its surrounding has 4 cuboid rotor 3-1, respectively with institute
The rectangular parallelepiped structure for stating the on-fixed end of S types piezoelectric beam 2 is connected.The upper and lower surface of described suspension block 3 respectively has 1 fixed permanent magnetism
Body 4.
Described permanent magnet 4 has two, is individually fixed in the upper and lower surface of suspension block 3, on the one hand can reduce S type piezoelectricity
The resonant frequency of the structure of beam 2, on the other hand, during human motion, permanent magnet 4 can with the vibration of S types piezoelectric beam 2 and on
Lower vibration, and cause the magnetic flux of the magnet coil 5 on the upper end supporting part of supporter 1 and lower end supporting part to change, according to
Faraday's electromagnetic induction law, produce output electric energy.
Refering to Fig. 5, described electromagnetic coil structure has two, is separately fixed at supporter upper end supporting part and lower end support
In portion, mainly it is made up of magnet coil 5 and interior electrode cable 5-1 and dispatch from foreign news agency polar conductor 5-2.The magnet coil 5 is helical form
Structure, it is separately fixed at the surface and underface of permanent magnet, the center that its axis passes through permanent magnet.The electrode cable 5-1,
5-2 is connected with the both ends of magnet coil respectively, will be exported by electric energy caused by Faraday's electromagnetic induction law.
When people are walked or are run, a kind of sole applied to collection human motion energy of the utility model is micro-
Small energy collecting device can move with the motion of people, and the S types piezoelectric beam 2 of its vibrational structure can occur with the motion of human body
Resonance, cause the PVDF piezoelectric layer 2-2 of fixing end to deform, the piezo-electric effect as caused by PVDF piezoelectric layer 2-2 deformations, will shake
Dynamic mechanical energy is transformed into electric energy, is exported caused electric energy by Pt upper electrode layers 2-3 and Pt lower electrode layer 2-1.With
This simultaneously, the permanent magnet 4 for the upper and lower surface of suspension block 3 being connected with S types piezoelectric beam 2 is with the continuous up-down vibration of S type piezoelectric beams
While, cause the magnetic flux on the upper end supporting part of supporter 1 and lower end supporting part in magnet coil 5 to change, according to method
The law of electromagnetic induction is drawn, induced-current can be produced in magnet coil 5, pass through interior electrode cable 5-1 and dispatch from foreign news agency polar conductor 5-2
Carry out faradic collection of energy.
As shown in fig.6, a kind of sole de minimis energy collector for being applied to collection human motion energy can be done
The sole of people is arranged in into array, carries out the energy acquisition of large area.
Claims (8)
- A kind of 1. sole de minimis energy collector for being applied to collection human motion energy, it is characterised in that：Mainly by supporter (1), vibrational structure and electromagnetic coil structure three parts composition；Described supporter (1) is fixed in sole, the inside of supporter For cavity, the top and bottom inside supporter are respectively fixed with electromagnetic coil structure, are fixed with the vertical side of supporter Vibrational structure.
- 2. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 1, it is special Sign is：Described vibrational structure is mainly made up of S types piezoelectric beam (2), suspension block (3) and permanent magnet (4)；The fixing end of described S types piezoelectric beam (2) is fixed on the vertical side of supporter (1), the fixation of S types piezoelectric beam (2) Upper surface is held successively covered with Pt lower electrode layers (2-1), PVDF piezoelectric layer (2-2) and Pt upper electrode layers (2-3)；The rectangular parallelepiped structure phase at the on-fixed end of the on-fixed end of the S types piezoelectric beam (2) the S type piezoelectric beam adjacent with another Even, by connecting the rotor (3-1) of suspension block (3), suspension block (3) is made to be suspended in the cavity of supporter (1)；The upper and lower surface of described suspension block (3) respectively has 1 fixed permanent magnet (4).
- 3. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 1, it is special Sign is：Described electromagnetic coil structure is mainly made up of magnet coil (5), interior electrode cable (5-1) and dispatch from foreign news agency polar conductor (5-2)； The magnet coil (5) is helicoidal structure, provided with two, the surface for the permanent magnet (4) being separately fixed in vibrational structure And underface, the center that the axis of magnet coil (5) passes through permanent magnet (4)；Described permanent magnet (4) up-down vibration with the vibration of S types piezoelectric beam (2), cause supporter (1) upper end supporting part and The magnetic flux of magnet coil (5) on the supporting part of lower end changes；The both ends of the interior electrode cable (5-1) and dispatch from foreign news agency polar conductor (5-2) respectively with magnet coil (5) are connected, and will pass through method Electric energy caused by the law of electromagnetic induction is drawn to be exported.
- 4. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 2, it is special Sign is：Described S types piezoelectric beam (2) is provided with 8；Described S type piezoelectric beam fixing ends be separately fixed at 8 of supporter (1) it is perpendicular In straight sided.
- 5. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 2, it is special Sign is：Described Pt upper electrode layers (2-3) and Pt lower electrode layers (2-1), is mainly made up of Pt electrode materials, as PVDF piezoelectricity The output electrode of layer (2-2) energy；Described PVDF piezoelectric layer (2-2) is mainly made up of PVDF thin film, is shaken for gathering S types piezoelectric beam (2) with human body shoes Energy during dynamic；Described S types piezoelectric beam (2) vibrates with the motion of people, causes the PVDF piezoelectric layer (2-2) of fixing end to occur Strain, produce electric charge and export electric energy, and PVDF piezoelectric layer is gathered by Pt upper electrode layers (2-3) and Pt lower electrode layers (2-1) The electric energy that (2-2) is exported.
- 6. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 2, it is special Sign is：Described supporter (1) and the underlying structure of S types piezoelectric beam (2) structure are mainly made up of PDMS organosilicon materials.
- 7. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 2, it is special Sign is：Described suspension block (3) center section is the flat board of square, and its surrounding has 4 cuboid rotors (3-1), respectively with institute The rectangular parallelepiped structure for stating S types piezoelectric beam (2) on-fixed end is connected.
- 8. a kind of sole de minimis energy collector for being applied to collection human motion energy according to claim 1, it is special Sign is：A kind of sole de minimis energy collector for being applied to collection human motion energy can make array and be arranged in people Sole, carry out the energy acquisition of large area.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721044041.6U CN207074963U (en) | 2017-08-21 | 2017-08-21 | A kind of sole de minimis energy collector for being applied to collection human motion energy |
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| CN201721044041.6U CN207074963U (en) | 2017-08-21 | 2017-08-21 | A kind of sole de minimis energy collector for being applied to collection human motion energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540014A (en) * | 2018-05-14 | 2018-09-14 | 中国科学院上海微系统与信息技术研究所 | A kind of low frequency flexible energy collector and self energizing motion counter |
| CN111130387A (en) * | 2020-01-15 | 2020-05-08 | 重庆大学 | Asymmetric combined type broadband vibration energy collector |
| US11508900B2 (en) | 2019-11-26 | 2022-11-22 | The Chinese University Of Hong Kong | Human joint energy harvesting apparatus and wearable electronic device comprising the same |
-
2017
- 2017-08-21 CN CN201721044041.6U patent/CN207074963U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540014A (en) * | 2018-05-14 | 2018-09-14 | 中国科学院上海微系统与信息技术研究所 | A kind of low frequency flexible energy collector and self energizing motion counter |
| CN108540014B (en) * | 2018-05-14 | 2020-03-24 | 中国科学院上海微系统与信息技术研究所 | Low-frequency flexible energy collector and self-powered motion counter |
| US11508900B2 (en) | 2019-11-26 | 2022-11-22 | The Chinese University Of Hong Kong | Human joint energy harvesting apparatus and wearable electronic device comprising the same |
| CN111130387A (en) * | 2020-01-15 | 2020-05-08 | 重庆大学 | Asymmetric combined type broadband vibration energy collector |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20180821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |