CN108429488A - A kind of piezoelectric energy recovery device - Google Patents
A kind of piezoelectric energy recovery device Download PDFInfo
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- CN108429488A CN108429488A CN201810194121.2A CN201810194121A CN108429488A CN 108429488 A CN108429488 A CN 108429488A CN 201810194121 A CN201810194121 A CN 201810194121A CN 108429488 A CN108429488 A CN 108429488A
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- 238000011084 recovery Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 74
- 238000005381 potential energy Methods 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims 1
- 238000004146 energy storage Methods 0.000 claims 1
- 230000002085 persistent effect Effects 0.000 claims 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
Abstract
The invention discloses a kind of piezoelectric energy recovery devices, by arc piezoelectric device (1), clockwork (2), transmission system (3), ripple type piezoelectric cantilever (4), substrate (5) composition；The arc piezoelectric device is made of Curved beam, piezoelectric element, linear gear rack, the first transmission gear；Piezoelectric element is posted on the Curved beam；The clockwork is made of barrel, axis, clockwork spring, the second transmission gear, and the barrel is for protecting clockwork spring and axis；The axis is the mandrel of mainspring barrel winding, plays fixed clockwork spring；The clockwork spring is for storing elastic potential energy；The transmission system is for transmitting movement and energy；Piezoelectric element is posted on the ripple type piezoelectric cantilever, mechanical energy when piezoelectric element can be by cantilever beam vibration is converted into electric energy.Piezoelectric energy recovery device of the present invention can effectively recycle energy.
Description
Technical field
The present invention relates to a kind of piezoelectric energy recovery devices more particularly to a kind of wind-up system mutually to be tied with piezoelectric energy recovery
The device of conjunction belongs to and converts the deformation energy for the generation that is squeezed to electric energy and be collected for the field that electronic product uses.
Background technology
Electronic product can be divided into such a way that electric energy is provided active and two kinds passive.The former using battery due to being supplied
Electricity, comparision of quantity of electricity are stablized, meet the energy requirement of electronic product, be widely used at present.However, cannot be provided for many
Power supply is not easy to replace battery or dangerous situations, the battery altering problem such as inflammable and explosive are difficult to solve, and passive mode power supply is more next
More it is concerned by people.Therefore people begin to demand the substitute of battery, and the purpose is to be replaced in certain special application fields
Battery eliminator charges for battery automatically.
The piezoelectric energy recovery device that piezoelectric material is made do not need additional voltage source, it is simple in structure, be easy to micro-
Type and integrated.Piezoelectric material has many advantages such as no electromagnetic interference, pollution-free, easy to process and be concerned simultaneously.
All the advantages make piezoelectric type energy recovery technology become the research emphasis of people.And piezoelectric material electron product is utilized to supply
The energy collection technology of electricity has become an international research hotspot.
Invention content
In order to solve the problems, such as that battery cannot power for a long time in current electronic product, a kind of piezoelectric energy recovery dress is proposed
It sets.The clockwork spring and piezoelectricity combination energy recycle device can gradually discharge the elastic potential energy that clockwork spring stores, for encouraging
Ripple type piezoelectric cantilever makes its vibration, and the piezoelectric element on ripple type piezoelectric cantilever converts vibrational energy to electric energy at this time,
Power supply for electronic product.
To achieve the goals above, the present invention uses following technical scheme：A kind of piezoelectric energy recovery device, the pressure
Electric flux retracting device is made of arc piezoelectric device, clockwork, transmission system, ripple type piezoelectric cantilever, substrate；It is described
Arc piezoelectric device by Curved beam, linear gear rack, the first transmission gear, piezoelectric element constitutes；It is posted on the Curved beam
Piezoelectric element；It is bent after the arc beam stress, the beam of bending pushes linear gear rack to generate lateral displacement；The straight line tooth
Item drives the first transmission gear；The Curved beam, which plays the role of collecting, is deformed energy；The linear gear rack, first passes
Moving gear plays the role of transmitting movement and energy；Freewheel clutch is housed inside first transmission gear；The arc
Ellbeam links into an integrated entity with linear gear rack；The linear gear rack is engaged with the first transmission gear；The piezoelectric element can be with
The energy of other forms is converted into electric energy；The clockwork is by optical axis, axis, clockwork spring, barrel, the second transmission gear,
Side plate, ratchet, pawl are constituted；First transmission gear is nested on optical axis；The axis is equally nested on optical axis；
The axis plays the role of tightening clockwork spring；The clockwork spring is wrapped on the outside of an axis, plays storage and release elastic potential energy
Effect；The barrel plays the protective effect to clockwork spring on the outside of clockwork spring；Second transmission gear is located at barrel one
End plays the role of transmitting energy；The side plate is used to support optical axis；The ratchet is nested on optical axis, is matched with pawl
It closes and uses, play the role of unidirectional intermittent movement；For the transmission system by third transmission gear, the 4th transmission gear is small
Optical axis, rotation plectrum are constituted；The third transmission gear is engaged with the second transmission gear, plays the work for transmitting movement and energy
With；4th transmission gear is engaged with third transmission gear, plays the role of transmitting movement and energy；Described the 4th passes
Moving gear, rotation plectrum are nested on small optical axis；The rotation plectrum plays excitation ripple type piezoelectric cantilever beam action；Institute
Sticking piezoelectric element on the ripple type piezoelectric cantilever stated；The energy of other forms can be converted to electricity by the piezoelectric element
Energy；The ripple type piezoelectric cantilever plays the role of collecting energy；The substrate is by the first base station, the second recess-based
Platform, third base station, bottom plate are constituted；First base station ensures after arc beam stress to unilateral side for fixing Curved beam one end
Stretching, extension；The second groove base station carries groove, and groove is for ensureing that linear gear rack is slided in prescribed direction；The third
Base station plays the role of fixed ripple type piezoelectric cantilever root；The bottom plate is located at the bottommost of all components, and being used for will
All devices combine.
Wherein, the Curved beam generates larger flexural deformation, to make linear gear rack generate the displacement of a transverse direction,
Lateral displacement makes the first transmission gear rotate, and the rotation of the first transmission gear makes clockwork spring tighten.The other end of barrel passes through simultaneously
The energy release of clockwork spring makes rotation plectrum work, rotation plectrum rotation excitation ripple type vibration in piezoelectric cantilever beam.
Wherein, other energy stores can be elastic potential energy by the clockwork spring, and the release of elastic potential energy can be with field wave
Line type piezoelectric cantilever makes its vibration.
Wherein, the piezoelectric energy recovery device can solve what battery in current electronic product cannot power for a long time
Problem.
The principle of the present invention is：Piezoelectric energy recovery device of the present invention, the meeting when Curved beam 101 is squeezed
Generating deformation, on the one hand, the piezoelectric material 104 being affixed on beam can convert deformation energy to electric energy, on the other hand, one end of beam
Elongation promotes the rotation of the first transmission gear 103, and clockwork spring is stored in convert deformation energy to elastic potential energy.In Curved beam
101 be squeezed after a period of time in, the elastic potential energy of storage can still continue to encourage ripple type piezoelectric cantilever 4, directly
The elastic potential energy stored to clockwork spring 203 all discharges, and to carry out collection of energy, electricity is provided whithin a period of time for electronic equipment
Can, it is highly practical.
The advantage of the invention is that：
When Curved beam 101 is squeezed in the piezoelectric energy recovery device of the present invention, the piezoelectric material 104 being affixed on beam can
To convert deformation energy to electric energy, also, one end elongation of Curved beam 101 promotes the rotation of the first transmission gear 103, thus will
Deformation energy is converted into elastic potential energy and is stored in clockwork spring 203.
The present invention piezoelectric energy recovery device Curved beam 101 be squeezed later a period of time in can still continue to encourage
Ripple type piezoelectric cantilever 4, until the elastic potential energy of clockwork spring storage all discharges.Piezoelectric energy recovery device of the present invention
Energy can effectively be recycled.
What the piezoelectric energy recovery device of the present invention can solve that battery in current electronic product cannot power for a long time asks
Topic.
The piezoelectric energy recovery installation cost of the present invention is cheap, no electromagnetic interference, can meet miniaturized structure, integrated
Demand, be suitable for various electronics.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of piezoelectric energy recovery device of the present invention；
Fig. 2 is a kind of clockwork explosive view of piezoelectric energy recovery device of the present invention；
A kind of rearview of piezoelectric energy recovery device of Fig. 3 present invention；
Reference numeral meaning is in figure：1 is arc piezoelectric device, and 2 be clockwork, and 3 be transmission system, and 4 be ripple type
Piezoelectric cantilever, 5 be substrate, and 101 be Curved beam, and 102 be linear gear rack, and 103 be the first transmission gear, and 104 be piezoelectric element,
201 be optical axis, and 202 be an axis, and 203 be clockwork spring, and 204 be barrel, and 205 be the second transmission gear, and 206 be side plate, and 207 be spine
Wheel, 208 be pawl, and 301 be third transmission gear, and 302 be the 4th transmission gear, and 303 be small optical axis, and 304 be rotation plectrum,
401 be piezoelectric element, and 501 be the first base station, and 502 be the second groove base station, and 503 be third base station, and 504 be bottom plate.
Specific implementation mode
Apparatus of the present invention are described further below in conjunction with Figure of description.
Referring to Fig.1, a kind of piezoelectric energy recovery device of the present invention, the piezoelectric energy recovery device is by arc Medium-voltage Motor
Structure 1, clockwork 2, transmission system 3, ripple type piezoelectric cantilever 4, substrate 5 are constituted；The arc piezoelectric device 1 is by arc
Beam 101, linear gear rack 102, the first transmission gear 103, piezoelectric element 104 are constituted；Piezoelectricity member is posted on the Curved beam 101
Part 104；It is bent after 101 stress of Curved beam, the beam of bending pushes linear gear rack 102 to generate lateral displacement；Described is straight
Line rack 102 drives the first transmission gear 103；The Curved beam 101, which plays the role of collecting, is deformed energy；Described is straight
Line rack 102, the first transmission gear 103 play the role of transmitting movement and energy；First transmission gear, the 103 inside dress
There is freewheel clutch；The Curved beam 101 links into an integrated entity with linear gear rack 102；The linear gear rack 102 and first passes
Moving gear 103 engages；The energy of other forms can be converted to electric energy by the piezoelectric element 104；The clockwork 2
By optical axis 201, axis 202, clockwork spring 203, barrel 204, the second transmission gear 205,206,207 ratchet 207 of side plate, pawl 208
It constitutes；First transmission gear 103 is nested on optical axis 201；The axis 202 is equally nested on optical axis 201；Institute
The axis 202 stated plays the role of tightening clockwork spring 203；The clockwork spring 203 is wrapped in 202 outside of an axis, plays storage and releases
Put the effect of elastic potential energy；The barrel 204 plays the protective effect to clockwork spring 203 in 203 outside of clockwork spring；Described
Two transmission gears 205 are located at 204 one end of barrel, play the role of transmitting energy；The side plate 206 is used to support optical axis 201；
The ratchet 207 is nested on optical axis 201, is used cooperatively with pawl 208, and unidirectional intermittent movement is played the role of；It is described
Transmission system 3 by third transmission gear 301, the 4th transmission gear 302, small optical axis 303, rotation plectrum 304 constitutes；Described
Third transmission gear 301 is engaged with the second transmission gear 205, plays the role of transmitting movement and energy；4th transmission
Gear 302 is engaged with third transmission gear 301, plays the role of transmitting movement and energy；4th transmission gear 302,
Rotation plectrum 304 is nested on small optical axis 303；The rotation plectrum 304 plays the work of excitation ripple type piezoelectric cantilever 4
With；Sticking piezoelectric element 401 on the ripple type piezoelectric cantilever 4；The piezoelectric element 401 can be by other forms
Energy is converted to electric energy；The ripple type piezoelectric cantilever 4 plays the role of collecting energy；The substrate 5 is by the first base
Platform 501, the second groove base station 502, third base station 503, bottom plate 504 are constituted；First base station 501 is for fixing Curved beam
101 one end are stretched after ensureing arc beam stress to unilateral side；The second groove base station 502 is with fluted, and groove is for ensureing
Linear gear rack is slided in prescribed direction；The third base station 501 plays the role of fixed 4 root of ripple type piezoelectric cantilever；
The bottom plate 504 is located at the bottommost of all components, for combining all devices.
Referring to Fig.1, a kind of piezoelectric energy recovery device of the present invention is bent after 101 stress of Curved beam, the arc of bending
Ellbeam 101 pushes linear gear rack 102 traversing, and linear gear rack 102 is traversing to make the first transmission gear 103 work, the first transmission gear
103 work make clockwork spring 203 tighten, and the freewheel clutch inside the first transmission gear 103 tightens hair when gear rotates counterclockwise
Item 203 will not be such that clockwork spring 203 loosens when rotating clockwise, and clockwork spring 203 passes through the second transmission gear 205 while tightening to be released
Put elastic potential energy, energy is passed to the 4th transmission gear 302 by the second transmission gear 205 by third transmission gear 301, and the 4th
Transmission gear 302 makes rotation plectrum 304 rotate by small optical axis 303, the rotation rotation excitation ripple type piezoelectric cantilever of plectrum 304
4 make its vibration, and the piezoelectric element 401 on ripple type piezoelectric cantilever 4 converts vibrational energy to electric energy, are supplied for electron product
Electricity.
Referring to Fig.1, a kind of piezoelectric energy recovery device of the present invention, will produce deformation when Curved beam 101 is squeezed, and one
Aspect, the piezoelectric material 104 being affixed on beam can convert deformation energy to electric energy, on the other hand, one end elongation of Curved beam 101
The rotation of the first transmission gear 103 is promoted, clockwork spring 203 is stored in convert deformation energy to elastic potential energy.In Curved beam 101
In a period of time after being squeezed, the elastic potential energy of storage can still continue to encourage ripple type piezoelectric cantilever 4, until hair
The elastic potential energy that item 203 stores all discharges, and to carry out collection of energy, electric energy is provided whithin a period of time for electronic equipment,
It is highly practical.
With reference to Fig. 2, a kind of piezoelectric energy recovery device of the present invention, the clockwork 2 is by axis 202, clockwork spring 203,
Barrel 204, the second transmission gear 205 are constituted；The axis 202 is nested on optical axis 201；The axis 202 plays receipts
The effect of tight clockwork spring 203；The clockwork spring 203 is wrapped in 202 outside of an axis, plays the role of storage and release elastic potential energy；
The barrel 204 plays the protective effect to clockwork spring 203 in 203 outside of clockwork spring；Second transmission gear 205 is located at
204 one end of barrel plays the role of transmitting energy.
Between reference Fig. 3, a kind of piezoelectric energy recovery device of the present invention, ratchet 207 and pawl 208 can form one kind unidirectionally
Formula of having a rest motion.It is mainly made of optical axis 201, ratchet 207 and pawl 208.Optical axis 201 is used as movement input link,
Ratchet 207, which is surveyed, is used as movement output component.When 201 counter-clockwise swing of optical axis, the pawl 208 being hinged on optical axis 201 is inserted into
In the tooth of ratchet 207, makes ratchet 207 while turning over certain angle.When 201 clockwise oscillation of optical axis, pawl 208 is in ratchet
It is slipped on 207 tooth, ratchet 207 is stationary.In this way, when optical axis 201 continuously rotates, ratchet 207 just obtains unidirectionally
Intermittent rotary.
Claims (7)
1. a kind of piezoelectric energy recovery device, it is characterised in that：The piezoelectric energy recovery device is by arc piezoelectric device
(1), clockwork (2), transmission system (3), ripple type piezoelectric cantilever (4), substrate (5) are constituted；The arc Medium-voltage Motor
Structure (1) is made of Curved beam (101), linear gear rack (102), the first transmission gear (103), piezoelectric element (104)；The arc
Piezoelectric element (104) is posted on ellbeam (101)；It is bent after described Curved beam (101) stress, the beam of bending pushes linear gear rack
(102) lateral displacement is generated；The linear gear rack (102) drives the first transmission gear (103)；The Curved beam (101)
Play the role of collecting and is deformed energy；The linear gear rack (102), the first transmission gear (103) play transmission movement with
The effect of energy；Freewheel clutch is housed inside first transmission gear (103)；The Curved beam (101) and straight line
Rack (102) links into an integrated entity；The linear gear rack (102) is engaged with the first transmission gear (103)；The piezoelectric element
(104) energy of other forms can be converted to electric energy；The clockwork (2) is by optical axis (201), axis (202), hair
Item (203), barrel (204), the second transmission gear (205), side plate (206), ratchet (207), pawl (208) are constituted；Described
First transmission gear (103) is nested on optical axis (201)；The axis (202) is equally nested on optical axis (201)；It is described
Axis (202) play the role of tighten clockwork spring (203)；The clockwork spring (203) is wrapped on the outside of an axis (202), is played and is deposited
The effect of storage and release elastic potential energy；The barrel (204) plays the work of the protection to clockwork spring (203) on the outside of clockwork spring (203)
With；Second transmission gear (205) is located at barrel (204) one end, plays the role of transmitting energy；The side plate
(206) it is used to support optical axis (201)；The ratchet (207) is nested on optical axis (201), is used cooperatively with pawl (208),
Play the role of unidirectional intermittent movement；The transmission system (3) is by third transmission gear (301), the 4th transmission gear
(302), small optical axis (303), rotation plectrum (304) are constituted；The third transmission gear (301) and the second transmission gear
(205) it engages, plays the role of transmitting movement and energy；4th transmission gear (302) and third transmission gear (301)
Engagement is played the role of transmitting movement and energy；4th transmission gear (302), rotation plectrum (304) are nested in small light
On axis (303)；The rotation plectrum (304) plays the role of encouraging ripple type piezoelectric cantilever (4)；The ripple type pressure
Sticking piezoelectric element (401) on electric cantilever beam (4)；The piezoelectric element (401) can be converted to the energy of other forms
Electric energy；The ripple type piezoelectric cantilever (4) plays the role of collecting energy；The substrate (5) is by the first base station
(501), the second groove base station (502), third base station (503), bottom plate (504) are constituted；First base station (501) is for solid
Determine Curved beam (101) one end, is stretched to unilateral side after ensureing arc beam stress；The second groove base station (502) with fluted,
Groove is for ensureing that linear gear rack (102) is slided in prescribed direction；The third base station (501) plays fixed ripple type piezoelectricity
The effect of cantilever beam (4) root；The bottom plate (504) is located at the bottommost of all components, for being incorporated into all devices
Together.
2. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：Curved beam (101) is bent, and is generated
On the one hand deformation energy, deformation energy are converted into electric energy by piezoelectric element (104), other hand is converted into elastic potential energy and is stored in hair
Item (203).
3. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：In first transmission gear (103)
The freewheel clutch in portion tightens clockwork spring when gear rotates counterclockwise, and clockwork spring will not be made to loosen when rotating clockwise.
4. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：The clockwork (2) will
Mechanical energy storage is elastic potential energy, and then by elastic potential energy slow release, ripple type piezoelectricity is encouraged by rotating plectrum (304)
Cantilever beam (4).
5. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：A kind of piezoelectric energy returns
Receiving apparatus can within a period of time after Curved beam (101) are squeezed Persistent Excitation ripple type piezoelectric cantilever (4), until hair
The elastic potential energy of item (203) storage all discharges.
6. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：The piezoelectric element (104)
The piezoelectric materials such as PZT, PVDF can be selected according to specific needs with piezoelectric element (401), and are polarized in vertical direction.
7. a kind of piezoelectric energy recovery device according to claim 1, it is characterised in that：Optical axis (201), ratchet (207),
Pawl (208) can form a kind of unidirectional intermittent movement mechanism.When optical axis (201) in the mechanism makees continuous rotation, spine
Wheel (208) just obtains unidirectional intermittent rotary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194121.2A CN108429488B (en) | 2018-03-09 | 2018-03-09 | A kind of piezoelectric energy recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194121.2A CN108429488B (en) | 2018-03-09 | 2018-03-09 | A kind of piezoelectric energy recovery device |
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| Publication Number | Publication Date |
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| CN108429488A true CN108429488A (en) | 2018-08-21 |
| CN108429488B CN108429488B (en) | 2019-05-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433235A (en) * | 2018-03-09 | 2018-08-24 | 刘馨瑞 | A kind of energy storage type power-generating shoe |
| CN113014140A (en) * | 2021-02-03 | 2021-06-22 | 国网天津市电力公司营销服务中心 | Breeze energy collecting device suitable for low wind speed and multiple wind directions |
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| CN108433235A (en) * | 2018-03-09 | 2018-08-24 | 刘馨瑞 | A kind of energy storage type power-generating shoe |
| CN113014140A (en) * | 2021-02-03 | 2021-06-22 | 国网天津市电力公司营销服务中心 | Breeze energy collecting device suitable for low wind speed and multiple wind directions |
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| CN108429488B (en) | 2019-05-03 |
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Address after: 230601 No. 111 Kowloon Road, Hefei economic and Technological Development Zone, Anhui Patentee after: ANHUI University Patentee after: Hefei Panshi Intelligent Technology Co., Ltd Address before: 230601 No. 111 Kowloon Road, Hefei economic and Technological Development Zone, Anhui Patentee before: ANHUI University Patentee before: Hefei Panshi Automation Technology Co., Ltd |