CN206878723U - One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference - Google Patents
One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference Download PDFInfo
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- CN206878723U CN206878723U CN201720696622.1U CN201720696622U CN206878723U CN 206878723 U CN206878723 U CN 206878723U CN 201720696622 U CN201720696622 U CN 201720696622U CN 206878723 U CN206878723 U CN 206878723U
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Abstract
A kind of vibration, the compound piezoelectric energy-capturing battery of the temperature difference are the utility model is related to, including：Upper battery case, lower battery case, upper spring, lower spring, upper piezoelectric cantilever, lower piezoelectric cantilever beam, power transmission shaft, dish-shaped thrermostatic bimetal-plate and cooling tower.Wherein：The upper battery case experiences external environment heat transfer to dish-shaped thrermostatic bimetal-plate, is allowed to that downward deformation occurs in zero point, drives power transmission shaft to move downward, upper piezoelectric cantilever is released, vibration is produced, lower piezoelectric cantilever beam is impacted, and vibration is also produced under lower spring effect.When the cooled tower cooler material cooling of dish-shaped thrermostatic bimetal-plate, then recover deformation, power transmission shaft moves upwards, and upper and lower piezoelectric cantilever now vibrates again.This device also generates electricity using ambient vibration, when the device is used in into micro-electromechanical device, can meet for micro-electromechanical device power demands, and has the advantages that simple in construction, environmental suitability is strong, prisoner efficiency high and can be easily integrated.
Description
Technical field
The utility model belongs to field of piezoelectric generation, and in particular to one kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference.
Background technology
In recent years, as micro-electromechanical device (MEMS) is in wireless sensor network node, military weapon, Aero-Space, doctor
The application in the fields such as treatment, micro-electromechanical device powerup issue cause people's extensive concern.Battery life be present and have in traditional chemical battery
Limit, be not easy to integrate, environmental suitability difference and having the problems such as pollution, traditional circuit, which is directly powered, can not be applied to specific occasion
Micro-electromechanical device.Therefore, Self Powered Device is more and more concerned, using solar power generation, Electromagnetic generation, thermo-electric generation, shakes
The equipment such as dynamic generating, wind-power electricity generation have been enter into the practical stage, but it cuts both ways.Wherein promote piezo-electric generating using ambient vibration
The self-power supply device that unit generates electricity is because it is easy to integrate, environmental suitability is strong and turns into popular research the advantages that without electromagnetic interference
Direction.But existing prisoner's energy device that vibrates can only utilize ambient vibration to generate electricity, when arrangement vibration prisoner energy the micro electronmechanical of device sets
It is standby when not vibrating, then normal power generation is unable to, therefore be badly in need of a kind of self-powered that can be generated electricity simultaneously using a variety of environmental energies
Device.
The content of the invention
In order to solve the problems, such as that the piezoelectric energy trapping device currently with vibration can only utilize single environment vibrating power-generation, propose
A kind of vibration, the compound piezoelectric energy-capturing battery of the temperature difference.The vibration, the compound piezoelectric energy-capturing battery of the temperature difference are included outside upper battery
Shell, lower battery case, upper spring, lower spring, upper piezoelectric cantilever, lower piezoelectric cantilever beam, power transmission shaft, dish-shaped thrermostatic bimetal-plate and
Cooling tower.The upper battery case is connected with lower battery case and constitutes Cell closure seal cavity, and upper battery case is used for feeling
Know ambient temperature, temperature, which is delivered to dish-shaped thrermostatic bimetal-plate and is allowed to temperature, constantly to be risen, and when reaching deformation critical point, dish heat is double
Sheet metal deforms downwards, drives power transmission shaft to move downward, then original state is released by upper piezoelectric cantilever, is moved downward, piezoelectricity
Up-down vibration occurs for cantilever beam, and lower piezoelectric cantilever beam is transported downwardly together due to being impacted by dish-shaped thrermostatic bimetal-plate with cooling tower
It is dynamic, piezoelectric cantilever up-down vibration therewith.Dish-shaped thrermostatic bimetal-plate fits to cooling tower, and cooling liquid can make dish in cooling tower
Thrermostatic bimetal-plate temperature declines, and when declining certain temperature, dish-shaped thermo bimetal's sector-meeting recovers deformation, and motion, is now pushed upwards
Electric cantilever beam, which is released, to be vibrated, and upper piezoelectric cantilever can also be vibrated by the impact of power transmission shaft.The device may be used also simultaneously
To be generated electricity using ambient vibration, the sensing external environment that upper spring and lower spring can be sensitive vibrates, and drives the pressure being attached thereto
Electric cantilever beam vibrates.Using the temperature difference and vibrating power-generation, energy capture mode is added, improves energy capture efficiency.When
Applicable micro-electromechanical device is arranged into, micro-electromechanical device power demand can be met, there is simple in construction, environmental suitability
By force, the advantages that captureing energy efficiency high and being easily integrated.
To achieve these goals, the utility model uses following technical scheme：
A kind of vibration of the utility model, the compound piezoelectric energy-capturing battery of the temperature difference, including：Outside upper battery case (1), lower battery
Shell (2), upper spring (3), lower spring (4), upper piezoelectric cantilever (5) and lower piezoelectric cantilever beam (6), power transmission shaft (7), its feature exist
In also including dish-shaped thrermostatic bimetal-plate (8) and cooling tower (9), wherein：The upper battery case (1) and lower battery case (2) are equal
For the cylindrical shell bottom of with, inner surface center in cylinder cover bottom is disposed with circular deep gouge, and open surfaces are arranged one week on the upside of housing
A shoulder is formed to deep gouge；The upper battery case (1) is the good conductor of heat, and lower battery case (2) is hot non-conductor；Institute
State battery case (1) lower surface and composition cell sealing cavity is connected with lower battery case (2) upper surface；The upper spring (3)
It is helical spring with lower spring (4), upper spring (3) is arranged in upper battery case (1) circular deep gouge, lower spring (4) installation
In lower battery case (2) circular deep gouge；The upper piezoelectric cantilever (5) by elastic base plate (51), fan-shaped piezoelectric patches (52) and
Mass (53) is formed, and elastic base plate (51) is made up of some fan-shaped cantilever beams of array outside disk and disk, fan-shaped piezoelectric patches
(52) fan-shaped cantilever beam upper surface is pasted onto, mass (53) is pasted onto fan-shaped cantilever beam outer rim upper surface；The lower piezoelectric is hanged
Arm beam (6) and upper piezoelectric cantilever (5) are identical components；The power transmission shaft (7) is a hollow shaft；The dish-shaped thrermostatic bimetal-plate
(8) it is the dish-shaped sheet members made of levels are different metal material, its metal material thermal coefficient of expansion at the middle and upper levels is remote
More than the thermal coefficient of expansion of lower metal, dish-shaped thin slice center is disposed with through hole；Power transmission shaft (7) upper surface hangs with upper piezoelectricity
Arm beam (5) lower surface is contacted, and lower end interference fit is arranged in dish-shaped thrermostatic bimetal-plate (8) through hole, on upper piezoelectric cantilever (5)
Surface is connected to spring (3) lower end；The cooling tower (9) is made up of two cylindrical, hollow communicated housings, upper cylinder
Housing volume is shaped as the sphere of indent much larger than lower cylindrical housings volume and upper cylindrical housings upper surface；The cooling tower
(9) enclosure interior is full of cooling liquid；Gap, lower end connection are left with dish-shaped thrermostatic bimetal-plate (8) in cooling tower (9) upper end
In lower piezoelectric cantilever beam (6) upper surface, piezoelectric cantilever (6) lower surface is connected to lower spring (4) upper end.
The dish-shaped thrermostatic bimetal-plate (8) dish-shaped sheet metal can replace made of marmem.
During work, when the vibration, the micro-electromechanical device local environment of the compound piezoelectric energy-capturing battery arrangement of the temperature difference are heated, on
Ambient temperature can be delivered to dish-shaped thrermostatic bimetal-plate and is allowed to temperature by battery case constantly to be risen, when reaching deformation critical point, dish
Shape thrermostatic bimetal-plate is deformed downwards, drives power transmission shaft to move downward, then original state is released by upper piezoelectric cantilever, downwards fortune
Dynamic, up-down vibration occurs for piezoelectric cantilever, and lower piezoelectric cantilever beam by dish-shaped thrermostatic bimetal-plate due to being impacted, with cooling tower
Move downward, piezoelectric cantilever up-down vibration therewith.Dish-shaped thrermostatic bimetal-plate fits to cooling tower, cooling liquid meeting in cooling tower
Decline dish-shaped thrermostatic bimetal-plate temperature, when declining certain temperature, dish-shaped thermo bimetal's sector-meeting recovers deformation, upwards motion, this
At present piezoelectric cantilever, which is released, is vibrated, and upper piezoelectric cantilever can also be vibrated by the impact of power transmission shaft.The dress simultaneously
Putting can also utilize ambient vibration to generate electricity, and the sensing external environment that upper spring and lower spring can be sensitive vibrates, and drive connects therewith
The piezoelectric cantilever connect vibrates.Using the temperature difference and vibrating power-generation, energy capture mode is added, improves energy capture effect
Rate.When being arranged into applicable micro-electromechanical device, micro-electromechanical device power demand can be met, there is simple in construction, environment
Strong adaptability, prisoner can efficiency highs and the advantages that be easily integrated.
Brief description of the drawings
Fig. 1 is a kind of vibration of the present utility model, the compound piezoelectric energy-capturing battery assembly relation schematic diagram of the temperature difference.
Fig. 2 is a kind of vibration of the present utility model, the compound piezoelectric energy-capturing battery original state sectional view of the temperature difference.
Fig. 3 is a kind of vibration of the present utility model, the compound piezoelectric energy-capturing battery temperature distortion state sectional view of the temperature difference.
Embodiment
Reference picture 1, Fig. 2 and Fig. 3, a kind of vibration of the utility model, the compound piezoelectric energy-capturing battery of the temperature difference include：Upper battery
Shell (1), lower battery case (2), upper spring (3), lower spring (4), upper piezoelectric cantilever (5) and lower piezoelectric cantilever beam (6), pass
Moving axis (7), it is characterised in that also including dish-shaped thrermostatic bimetal-plate (8) and cooling tower (9), wherein：The upper battery case (1) and
Lower battery case (2) is the cylindrical shell bottom of with, and inner surface center in cylinder cover bottom is disposed with circular deep gouge, opened on the upside of housing
One circumferential deep gouge of discharge surface arrangement forms a shoulder；The upper battery case (1) is hot good conductor, and lower battery case (2) is
The non-conductor of heat；Upper battery case (1) lower surface is welded to form cell sealing chamber with lower battery case (2) upper surface
Body；The upper spring (3) and lower spring (4) are helical spring, and upper spring (3) is arranged on upper battery case (1) circular deep gouge
In, lower spring (4) is arranged in lower battery case (2) circular deep gouge；The upper piezoelectric cantilever (5) by elastic base plate (51),
Fan-shaped piezoelectric patches (52) and mass (53) composition, elastic base plate (51) by array outside disk and disk some fan-shaped cantilever beams
Composition, fan-shaped piezoelectric patches (52) are pasted onto fan-shaped cantilever beam upper surface, and mass (53) is pasted onto fan-shaped cantilever beam outer rim upper table
Face；The lower piezoelectric cantilever beam (6) and upper piezoelectric cantilever (5) are identical components；The power transmission shaft (7) is a hollow shaft；Institute
It is the dish-shaped sheet members made of levels are different metal material to state dish-shaped thrermostatic bimetal-plate (8), its metal at the middle and upper levels
Material thermal expansion coefficient is much larger than the thermal coefficient of expansion of lower metal, and dish-shaped thin slice center is disposed with through hole；The power transmission shaft (7)
Upper surface is contacted with upper piezoelectric cantilever (5) lower surface, and lower end interference fit is arranged in dish-shaped thrermostatic bimetal-plate (8) through hole,
Upper piezoelectric cantilever (5) upper surface is welded to spring (3) lower end；The cooling tower (9) is by two cylindrical, hollows communicated
Housing forms, and upper cylindrical housings volume is shaped as indent much larger than lower cylindrical housings volume and upper cylindrical housings upper surface
Sphere；Cooling tower (9) enclosure interior is full of cooling liquid；Cooling tower (9) upper end and dish-shaped thrermostatic bimetal-plate (8)
Gap is left, lower end is welded on lower piezoelectric cantilever beam (6) upper surface, and piezoelectric cantilever (6) lower surface is welded to lower spring (4) again
Upper end.
The dish-shaped thrermostatic bimetal-plate (8) dish-shaped sheet metal can replace made of marmem.
During work, when the vibration, the micro-electromechanical device local environment of the compound piezoelectric energy-capturing battery arrangement of the temperature difference are heated, on
Ambient temperature can be delivered to dish-shaped thrermostatic bimetal-plate and is allowed to temperature by battery case constantly to be risen, when reaching deformation critical point, dish
Shape thrermostatic bimetal-plate is deformed downwards, drives power transmission shaft to move downward, then original state is released by upper piezoelectric cantilever, downwards fortune
Dynamic, up-down vibration occurs for piezoelectric cantilever, and lower piezoelectric cantilever beam by dish-shaped thrermostatic bimetal-plate due to being impacted, with cooling tower
Move downward, piezoelectric cantilever up-down vibration therewith.Dish-shaped thrermostatic bimetal-plate fits to cooling tower, cooling liquid meeting in cooling tower
Decline dish-shaped thrermostatic bimetal-plate temperature, when declining certain temperature, dish-shaped thermo bimetal's sector-meeting recovers deformation, upwards motion, this
At present piezoelectric cantilever, which is released, is vibrated, and upper piezoelectric cantilever can also be vibrated by the impact of power transmission shaft.The dress simultaneously
Putting can also utilize ambient vibration to generate electricity, and the sensing external environment that upper spring and lower spring can be sensitive vibrates, and drive connects therewith
The piezoelectric cantilever connect vibrates.Using the temperature difference and vibrating power-generation, energy capture mode is added, improves energy capture effect
Rate.When being arranged into applicable micro-electromechanical device, micro-electromechanical device power demand can be met, there is simple in construction, environment
Strong adaptability, prisoner can efficiency highs and the advantages that be easily integrated.
Claims (2)
1. one kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference, including：Upper battery case (1), lower battery case (2), upper spring
(3), lower spring (4), upper piezoelectric cantilever (5) and lower piezoelectric cantilever beam (6), power transmission shaft (7), it is characterised in that also include dish
Thrermostatic bimetal-plate (8) and cooling tower (9), wherein：The upper battery case (1) and lower battery case (2) are the cylinder bottom of with
Shape housing, cylinder cover bottom inner surface center are disposed with circular deep gouge, and one circumferential deep gouge of open surfaces arrangement forms one on the upside of housing
Shoulder；Upper battery case (1) lower surface is connected composition cell sealing cavity with lower battery case (2) upper surface；On described
Spring (3) and lower spring (4) are helical spring, and upper spring (3) is arranged in upper battery case (1) circular deep gouge, lower spring
(4) it is arranged in lower battery case (2) circular deep gouge；The upper piezoelectric cantilever (5) is by elastic base plate (51), fan-shaped piezoelectric patches
(52) it is made up of with mass (53) composition, elastic base plate (51) some fan-shaped cantilever beams of array outside disk and disk, it is fan-shaped
Piezoelectric patches (52) is pasted onto fan-shaped cantilever beam upper surface, and mass (53) is pasted onto fan-shaped cantilever beam outer rim upper surface；Under described
Piezoelectric cantilever (6) and upper piezoelectric cantilever (5) are identical components；The power transmission shaft (7) is a hollow shaft；The dish heat is double
Sheet metal (8) is the dish-shaped sheet members made of levels are different metal material, its metal material thermal expansion at the middle and upper levels
Coefficient is much larger than the thermal coefficient of expansion of lower metal, and dish-shaped thin slice center is disposed with through hole；Power transmission shaft (7) upper surface with it is upper
Piezoelectric cantilever (5) lower surface is contacted, and lower end interference fit is arranged in dish-shaped thrermostatic bimetal-plate (8) through hole, upper piezoelectric cantilever
Beam (5) upper surface is connected to spring (3) lower end；The cooling tower (9) is made up of two cylindrical, hollow communicated housings, on
Cylindrical housings volume is shaped as the sphere of indent much larger than lower cylindrical housings volume and upper cylindrical housings upper surface；It is described
Cooling tower (9) enclosure interior is full of cooling liquid；Gap is left in cooling tower (9) upper end with dish-shaped thrermostatic bimetal-plate (8), under
End is connected to lower piezoelectric cantilever beam (6) upper surface, and piezoelectric cantilever (6) lower surface is connected to lower spring (4) upper end.
2. a kind of vibration, the compound piezoelectric energy-capturing battery of the temperature difference according to claim 1, it is characterised in that：The dish heat
Bimetal leaf (8) dish-shaped sheet metal can replace made of marmem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696622.1U CN206878723U (en) | 2017-06-15 | 2017-06-15 | One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720696622.1U CN206878723U (en) | 2017-06-15 | 2017-06-15 | One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference |
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| CN206878723U true CN206878723U (en) | 2018-01-12 |
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| CN201720696622.1U Withdrawn - After Issue CN206878723U (en) | 2017-06-15 | 2017-06-15 | One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181426A (en) * | 2017-06-15 | 2017-09-19 | 吉林大学 | One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference |
| CN113098322A (en) * | 2021-05-20 | 2021-07-09 | 桂林电子科技大学 | Piezoelectric energy harvester used under complex working conditions |
-
2017
- 2017-06-15 CN CN201720696622.1U patent/CN206878723U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181426A (en) * | 2017-06-15 | 2017-09-19 | 吉林大学 | One kind vibration, the compound piezoelectric energy-capturing battery of the temperature difference |
| CN107181426B (en) * | 2017-06-15 | 2023-04-07 | 吉林大学 | Vibration and temperature difference composite piezoelectric energy harvesting battery |
| CN113098322A (en) * | 2021-05-20 | 2021-07-09 | 桂林电子科技大学 | Piezoelectric energy harvester used under complex working conditions |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20230407 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20230407 |