CN203675005U - Annular extruding piezoelectric generator - Google Patents
Annular extruding piezoelectric generator Download PDFInfo
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- CN203675005U CN203675005U CN201320694220.XU CN201320694220U CN203675005U CN 203675005 U CN203675005 U CN 203675005U CN 201320694220 U CN201320694220 U CN 201320694220U CN 203675005 U CN203675005 U CN 203675005U
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- 239000000919 ceramic Substances 0.000 claims abstract description 68
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000010248 power generation Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 235000000396 iron Nutrition 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000192 social effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model discloses an annular extruding piezoelectric generator, and the generator comprises a limiting box, a stress block, stress rings, and a piezoelectric ceramic pile. The number of the stress rings is not less than two, and the stress rings are all disposed in the limiting box. Moreover, the heights of the stress rings are greater than the height of the limiting box. The piezoelectric ceramic pile is disposed between the stress rings, and is used for receiving the force of the stress block. The stress block is disposed at the top of the limiting box, and contacts with the stress rings. The generator provided by the utility model is designed through employing a motor vehicle to press piezoelectric ceramics for generating power by using a road. The generator irons out the defects that the piezoelectric ceramics are directly pressed non-uniformly, an acting force is not vertical, the piezoelectric ceramics are frangible, and the efficiency of power generation is not high. The technical scheme of the utility model is an ideal scheme for the power generation of the road. Especially for remote areas, the generator can supply ideal clean energy to places where power supply is not convenient. The generator can effectively improve the generation efficiency of the piezoelectric ceramics, can prolong the service life of the piezoelectric ceramics, and is very practical.
Description
Technical field
The utility model belongs to piezoelectric generator technical field, is specifically related to a kind of annular extrusion piezoelectric generator.
Background technology
At present, there is not temporarily annular extrusion piezoelectric generator product to come out.
Utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of annular extrusion piezoelectric generator, to realizing effective raising piezoelectric ceramic electricity generation efficiency and working life.
Technical scheme: for achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of annular extrusion piezoelectric generator, comprises spacing case, force block, stress loop and piezoelectric ceramic stack; Described stress loop has two at least, be all located in spacing case, and the height of stress loop is higher than spacing case; Between stress loop, be provided with the piezoelectric ceramic stack of accepting the power that comes from force block; Described force block is located at spacing box top, and touches mutually with stress loop.
Described piezoelectric ceramic stack is stacked and is formed by multi-disc piezoelectric ceramic piece.
Described piezoelectric ceramic stack touches mutually by contiguous block and fixed stress ring.
Annular extrusion piezoelectric generator of the present utility model is to utilize mechanics principle, by the belt stress ring structure of design, realizing piezoelectric ceramic can be vertically stressed, under the effect of external force, utilize the exclusive piezoelectric property of piezoelectric ceramic, the electric charge that namely utilizes the direct piezoelectric effect of piezoelectric ceramic to produce.The problems such as in order to solve the usefulness of piezoelectric ceramic generating, the utility model has been taked with potsherd stacking, solves ceramic capacitance less than normal little with coefficient of elasticity, causes the shortcoming that deflection is little, and capacitance is little, storage of electrical energy difficulty.Make the ceramic capacity under same volume larger, the electric charge of output also the more.Adopt annular extrusion piezo technology structure, due to stressed vertical and amplification prisoner power effect, piezo-electric generating prisoner can ability be improved widely, thereby can obtain many energy.
Beneficial effect: compared with prior art, annular extrusion piezoelectric generator of the present utility model, roll piezoelectric ceramic generation electric energy and design for utilizing path link to cross motor vehicle, it is inhomogeneous that it overcomes the direct pressurized of piezoelectric ceramic, active force out of plumb, the shortcoming that frangible, generating efficiency is not high, generate electricity desirable solution, especially outlying district of road, the desirable clean energy resource that the place that powers inconvenient is used.Tool has the following advantages:
(1) piezo-electric generating mode of excitation: adopt annular extrusion mode, in the situation that belt stress is subject to external force, external force is sent on piezoelectric ceramic stack by stress loop.Piezoelectric ceramic piles up under the effect that is subject to external force, utilizes the direct piezoelectric effect of piezoelectric ceramic to produce the electric charge along polarised direction.
(2) piezo-electric generating device structure: piezo-electric generating adopts multi-layer ceramics stacked structure form, increases the capacitance of piezoelectric ceramic, brings into play to greatest extent piezoelectric ceramic speciality, improves electricity generation efficiency.
(3) overall structure of piezoelectric generator: piezoelectric generator mainly contains four part compositions such as force block, stress loop, piezoelectric ceramic stack, spacing case; Force block is that motor vehicle grinding pressure is delivered in stress loop, and then by stress loop, power is transferred on piezoelectric ceramic, adopt this structure can accomplish to pass to the power of piezoelectric ceramic vertical with piezoelectric ceramic, also can avoid damaging piezoelectric ceramic because external force is excessive, guaranteed the useful life of piezoelectric generator simultaneously.
(4) can effectively improve piezoelectric ceramic electricity generation efficiency and working life, there is good practicality, can produce good economic benefit and social effect.
Brief description of the drawings
Fig. 1 is the structural representation of annular extrusion piezoelectric generator;
Fig. 2 is the vertical view after the removal force block parts of annular extrusion piezoelectric generator.
Embodiment
Further illustrate the utility model below in conjunction with concrete accompanying drawing, this embodiment is implemented under taking technical solutions of the utility model as prerequisite, should understand these modes and only be not used in restriction scope of the present utility model for the utility model is described.
As depicted in figs. 1 and 2, annular extrusion piezoelectric generator, comprises spacing case 1, force block 2, stress loop 3 and piezoelectric ceramic stack 4; Stress loop 3 has 2 at least, be all located in spacing case 1, and the height of stress loop 3 is higher than spacing case 1; Between stress loop 3, be provided with the piezoelectric ceramic stack 4 of accepting the power that comes from force block 2; Force block 2 is located at spacing case 1 top, and touches mutually with stress loop 3.Wherein, piezoelectric ceramic stack 4 is stacked and is formed by multi-disc piezoelectric ceramic piece.Stress loop 3 applies pretightning force by bolt 6 to piezoelectric ceramic stack.Piezoelectric ceramic stack 4 touches mutually by contiguous block 5 and stress loop 3.
Piezoelectric generator is laid on roadbed, utilizes the motor vehicle of road walking to roll produced external force, by force block, stress loop by external force vertical transmission to piezoelectric ceramic stack.Piezoelectric ceramic produces distortion under the effect of external force, due to the direct piezoelectric effect of piezoelectric ceramic, can produce electric charge along polarised direction, thereby reach generating object.Force block mainly bears external force, and it is stressed having two effects one, because the core piezoelectric ceramic volume of piezoelectric generator is less, the ability of prisoner's energy is less, and force block volume is relatively large, stressed chance is larger, and in fact force block has played piezoelectric ceramic prisoner energy amplifier; The 2nd, transmission power, is delivered to external force in stress loop in time.Stress loop is also to have two effects, the one, the external force of force block transmission can be accepted, and promptly pass to piezoelectric ceramic stack, and transmission power is perpendicular to piezoelectric ceramic stack; The 2nd, because stress loop is elastomer, if there is the excessive situation of external force, stress loop absorbs overload energy and produces distortion, and piezoelectric ceramic stack is protected.The effect of piezoelectric ceramic stack is exactly transducing, and external force is converted into electric energy.It increases the capacitance of piezoelectric ceramic by some stacking the forming of high-performance piezoelectric ceramic piece, gives full play to the speciality of piezoelectric ceramic.
Annular extrusion piezoelectric generator of the present utility model, roll piezoelectric ceramic generation electric energy and design for utilizing path link to cross motor vehicle, it is inhomogeneous that it overcomes the direct pressurized of piezoelectric ceramic, active force out of plumb, the shortcoming that frangible, generating efficiency is not high, it is the road desirable solution of generating electricity, particularly outlying district, the desirable clean energy resource that the place that powers inconvenient is used.Tool has the following advantages:
(1) piezo-electric generating mode of excitation: adopt annular extrusion mode, in the situation that belt stress is subject to external force, external force is sent on piezoelectric generator by belt stress ring.Piezoelectric generator, under the effect that is subject to external force, utilizes the direct piezoelectric effect of piezoelectric ceramic to produce the electric charge along polarised direction.
(2) piezo-electric generating device structure: piezo-electric generating adopts multi-layer ceramics stacked structure form, increases the capacitance of piezoelectric ceramic, brings into play to greatest extent piezoelectric ceramic speciality, improves electricity generation efficiency.
(3) overall structure of piezoelectric generator: piezoelectric generator mainly contains four part compositions such as force block, stress loop, piezoelectric ceramic stack, spacing case; Force block is that motor vehicle grinding pressure is delivered in stress loop, and then by stress loop, power is transferred on piezoelectric ceramic, adopt this structure can accomplish to pass to the power of piezoelectric ceramic vertical with piezoelectric ceramic, also can avoid damaging piezoelectric ceramic because external force is excessive, guaranteed the useful life of piezoelectric generator simultaneously.
(4) can effectively improve piezoelectric ceramic electricity generation efficiency and working life, there is good practicality, can produce good economic benefit and social effect.
Claims (3)
1. an annular extrusion piezoelectric generator, is characterized in that: comprise spacing case (1), force block (2), stress loop (3) and piezoelectric ceramic stack (4); Described stress loop (3) has two at least, be all located in spacing case (1), and the height of stress loop (3) is higher than spacing case (1); Between stress loop (3), be provided with the piezoelectric ceramic stack (4) of accepting the power that comes from force block (2); Described force block (2) is located at spacing case (1) top, and touches mutually with stress loop (3).
2. annular extrusion piezoelectric generator according to claim 1, is characterized in that: described piezoelectric ceramic stack (4) is stacked and formed by multi-disc piezoelectric ceramic piece.
3. annular extrusion piezoelectric generator according to claim 1, is characterized in that: described piezoelectric ceramic stack (4) touches mutually by contiguous block (5) and fixed stress ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694220.XU CN203675005U (en) | 2013-11-06 | 2013-11-06 | Annular extruding piezoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694220.XU CN203675005U (en) | 2013-11-06 | 2013-11-06 | Annular extruding piezoelectric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675005U true CN203675005U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320694220.XU Expired - Lifetime CN203675005U (en) | 2013-11-06 | 2013-11-06 | Annular extruding piezoelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633878A (en) * | 2013-11-06 | 2014-03-12 | 江苏联能电子技术有限公司 | Annular-extrusion piezoelectric generator |
-
2013
- 2013-11-06 CN CN201320694220.XU patent/CN203675005U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633878A (en) * | 2013-11-06 | 2014-03-12 | 江苏联能电子技术有限公司 | Annular-extrusion piezoelectric generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |