CN103684045B - Electric supply installation and electronic system - Google Patents
Electric supply installation and electronic system Download PDFInfo
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- CN103684045B CN103684045B CN201210363683.8A CN201210363683A CN103684045B CN 103684045 B CN103684045 B CN 103684045B CN 201210363683 A CN201210363683 A CN 201210363683A CN 103684045 B CN103684045 B CN 103684045B
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- electric
- conductive
- supply installation
- piezoelectric
- piezoelectric element
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- 238000009434 installation Methods 0.000 title claims abstract description 49
- 230000005684 electric field Effects 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000002305 electric material Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229920000379 polypropylene carbonate Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The present invention relates to a kind of electric supply installation and electronic system, wherein, this electric supply installation includes: piezoelectric element, there is conductive surface, in the case of having electrostatic charge on described surface, in described environment under the effect of alternating electric field, the electrostatic charge motion on described piezoelectric element surface, so that piezoelectric element deformation produces electric energy.Utilize this electric supply installation and electronic system, it is possible to the alternating electric field in environment is converted to electric energy.
Description
Technical field
The present invention relates to electric supply installation and electronic system.
Background technology
Some electronic device works are had to transmit the such environment of tower in transformer station and high voltage power supply
In.Owing to there is High Pressure Difference, it is impossible to directly to these power electronic equipment, or i.e. enable
Power but the limited energy of energy confession, the power reguirements of these electronic equipments can not be met.
Transmit the such environment of tower in such as transformer station and high voltage power supply, there is alternation
Electric field.If this alternating electric field can be converted to electric energy and be supplied to work in these environment
Electronic equipment use, then can overcome and supply to the electronic equipment that works in this environment
A difficult problem for electricity.
Summary of the invention
The purpose of the embodiment of the present invention is to provide electric supply installation and electronic system, and it can be
Alternating electric field in environment is converted to electric energy.
According to the embodiment of the present invention a kind of in the environment have alternating electric field provide electricity
The electric supply installation of energy, including: piezoelectric element, there is conductive surface, for described
In the case of there is electrostatic charge on surface, in described environment under the effect of alternating electric field, described pressure
The electrostatic charge motion on electric device surface, so that piezoelectric element deformation produces electric energy.
Wherein, described piezoelectric element includes that non-conductive piezoelectric and covering non-is led described
The conductive material on the surface of the piezoelectric of electricity.
Wherein, described piezoelectric element includes the piezoelectric of conduction, covers in described piezoresistive material
The insulant on material surface and the covering conductive material on described insulant surface.
Wherein, described non-conductive piezoelectric is piezoelectric ceramic fibers.
Wherein, described electric supply installation also includes: electric charge generation unit, is used for producing described quiet
Electric charge is also applied to the surface of described piezoelectric element.
Wherein, described electric supply installation also includes: support member, is used for supporting described piezoelectricity unit
Part.
According to a kind of electronic system of the embodiment of the present invention, including: electronic module, it is used for holding
Row predetermined function；And, electric supply installation, for providing electric energy to described electronic module, its
In, described electric supply installation includes the piezoelectric element with conductive surface, for described
In the case of there is electrostatic charge on surface, the energy of alternating electric field in environment is converted to electric energy.
Wherein, described electronic system also includes: optical-electrical converter, for the light that will receive
Be converted to electric energy and export to described electronic module.
Wherein, described electronic system also includes: power supply changeover device, is connected to described electronics
Between module and described electric supply installation, for the electric energy conversion that described electric supply installation is provided
For being applicable to the electric energy of described electronic module and the electric energy of conversion being exported to described electronic die
Block.
Wherein, described piezoelectric element includes that non-conductive piezoelectric and covering non-is led described
The conductive material on the surface of the piezoelectric of electricity.
Wherein, described piezoelectric element includes the piezoelectric of conduction, covers in described piezoresistive material
The insulant on the surface of material and the covering conductive material on the surface of described insulant.
Wherein, described non-conductive piezoelectric is piezoelectric ceramic fibers.
Wherein, described electric supply installation also includes: electric charge generation unit, is used for producing described electricity
Lotus is also applied to the surface of described piezoelectric element.
Wherein, described electric supply installation also includes: support member, is used for supporting described piezoelectricity unit
Part.
Wherein, described electronic module is sensor, and, described electric charge generation unit is institute
State the stratum of the circuit board of sensor.
Wherein, described electronic system also includes: clamp device, and it is connected to described sensor
Circuit board stratum and ground between, be used for making electrostatic charge on described sensor circuit board stratum
Amount keep within the range of permission.
Execute from the above, it can be seen that the embodiment of the present invention uses on its conductive surface
Piezoelectric element added with electric charge carrys out the alternating electric field output electric energy according to environment such that it is able to real
Now the alternating magnetic field in environment is converted to electric energy.
Accompanying drawing explanation
Detailed by below in conjunction with accompanying drawing of other feature, feature, advantage and the benefit of the present invention
Thin description will become apparent from.Wherein:
Figure 1A-1B shows the schematic diagram of the electric supply installation according to one embodiment of the invention；
And
Fig. 2 shows the schematic diagram of the electronic system according to one embodiment of the invention.
Detailed description of the invention
Scheme disclosed in the embodiment of the present invention uses the piezoelectric element with conductive surface
To export electric energy according to the alternating electric field in environment.Conductive surface quilt when piezoelectric element
In the case of being applied with electric charge, under the effect of alternating electric field in the environment, piezoelectric element table
The charge movement in face, causes piezoelectric element to produce vibration thus deforms, then piezoelectricity unit
Part produces electric energy due to piezoelectric effect, thus the alternating electric field in environment is converted to electric energy.
Below, will be described in detail with reference to accompanying drawings each embodiment of the present invention.
Referring now to Figure 1A-1B, it illustrates the confession Denso according to one embodiment of the invention
The schematic diagram put.As seen in figs. 1 a-1b, electric supply installation 100 can include piezoelectric element
110, wherein piezoelectric element 110 can include the piezoelectric ceramics as non-conductive piezoelectric
Material 120 and conductive material 130.Conductive material 130 covers at piezoceramic material 120
Surface.
Piezoceramic material 120 can be that the piezoelectricity that has utilizing any ceramic material is imitated
The flexible material answered.Here, can be selected for slight vibration can be produced the pressure of piezoelectric effect
Electroceramics fiber, and the piezoelectricity pottery of different performance can be selected according to the voltage of required output
Porcelain fiber.Such as, piezoelectric ceramic fibers can be the utilization that United States advanced Ceramic Corporation produces
Prepared by viscose spin processes (VSSP:Viscose Suspension Spinning Process) straight
Footpath can narrow down to the ceramic long fibre of 10-250 μm.
Conductive material 130 can be the various materials that can conduct electricity.In the present embodiment, pressure
Electric device 110 is arranged according to the " u "-shaped being similar to drop to the ground.Obviously, piezoelectric element 110 is also
Can arrange in other ways.
In the case of the surface of the piezoelectric element 110 of electric supply installation 100 is applied in electric charge,
If electric supply installation 200 is placed in the environment with alternating electric field, then in the environment
Alternating electric field effect under, piezoelectric element 110 in electric supply installation 100 produce vibration from
And deform, then utilize piezoelectric effect to export electric energy according to produced deformation, for
Miscellaneous equipment uses.
Referring now to Fig. 2, it illustrates showing of the electronic system according to one embodiment of the invention
It is intended to.Electronic system shown in Fig. 2 may be mounted at extra-high voltage (EHV) or supertension
(UHV) top of power delivery tower is with the voltage and current of transmission line of sampling.Such as Fig. 2 institute
Showing, electronic system 200 can include sensor 210, clamp device 220, optical-electrical converter
(PPC:Photovoltaic Power Converter) 230, power supply changeover device 240 and power supply
Device 100.
Wherein, sensor 210 is for detecting the transmission line of EHV or UHV power delivery tower
Real-time voltage and electric current.The voltage and current of the transmission line that sensor 210 is detected will be by
It is sent to the earth station of EHV or UHV power delivery tower, in order to attendant is according to being examined
The voltage and current surveyed checks that EHV or UHV power delivery tower is the most working properly.This
Outward, owing to sensor 210 is positioned in extra-high voltage or supertension, so the electricity of sensor 210
The stratum of road plate can the substantial amounts of electrostatic charge of populated with.
Clamp device 220 is connected between stratum and the ground of the circuit board of sensor 210, its
The stratum ground connection realizing the circuit board of sensor 210 circuit board keeping sensor 210
The electricity of the electrostatic charge on stratum is within the range of permission.
Optical-electrical converter 230 is for receiving earth station's warp of EHV or UHV power delivery tower
The light transmitted by fiber optics, is converted to electric energy the light received and exports to sensor 210
As working power.According to the specification of optical-electrical converter 320, the volume of optical-electrical converter 230
Determine power and can reach 500mW, but along with the operating power of optical-electrical converter 230 becomes big,
The temperature of optical-electrical converter 230 will gradually rise, and the temperature liter of optical-electrical converter 230
Height, the life-span of optical-electrical converter 230 can shorten.
Electric supply installation 100 is for utilizing the alternation electricity around EHV or UHV power delivery tower
Field generates electric energy.The structure of electric supply installation 100 has been described in FIG, the most not
Repeat again.Wherein, the surface of the piezoelectric element 110 of electric supply installation 100 is connected to sensor
The stratum of the circuit board of 210, obtains electric charge with the stratum of the circuit board from sensor 210.Change
Yan Zhi, the surface of the piezoelectric element 110 of electric supply installation 100 is by the circuit board of sensor 210
Stratum apply electric charge.
Power supply changeover device 240 is converted to be suitable for for the electric energy that electric supply installation 100 is generated
In the electric energy of sensor 210 and the electric energy of conversion is exported to sensor 210 as work electricity
Source.
In the present embodiment, except utilizing optical-electrical converter 230 to provide work to sensor 210
Make outside power supply, also use electric supply installation 100 to provide working power to sensor 210.By
Working power needed for sensor 210 is fixing, and electric supply installation 100 to
Sensor 210 provides part working power, therefore, it can reduce optical-electrical converter 230
Operating power to provide the working power of remaining part to sensor 210, thus reduce
The temperature of optical-electrical converter 230, and then extend the life-span of optical-electrical converter 230.
Other modification
Although it will be appreciated by those skilled in the art that in the above embodiments, piezoelectric element
Non-conductive piezoelectric included by 110 is piezoelectric ceramic fibers 120, but, at this
In bright, non-conductive piezoelectric is not limited to piezoelectric ceramic fibers 120, it is also possible to be
What other was non-conductive has the material of piezoelectric effect.
Although it will be appreciated by those skilled in the art that in the above embodiments, having and can lead
The piezoelectric element 110 on the surface of electricity is by non-conductive piezoelectric, (such as piezoelectricity is made pottery
Porcelain fiber 120) above cover conductive material 130 and formed, but, the present invention not office
It is limited to this.In some other embodiment of the present invention, there is the piezoelectricity on conductive surface
Element 110 directly can also just use the piezoelectric manufacture of conduction.Or, have and can lead
The piezoelectric element 110 on the surface of electricity can include the piezoelectric of conduction, cover at conduction material
The insulant on material surface and the covering conductive material on insulant surface.
It will be appreciated by those skilled in the art that electric supply installation 100 also includes support member 120
To support piezoelectric element 110.
Although it will be appreciated by those skilled in the art that in embodiment described above, electronics
System 200 includes that power supply changeover device 240 is with the electric energy conversion that electric supply installation 100 is generated
For being applicable to the electric energy of sensor 210, but, the invention is not limited in this.At this
In bright other embodiments, the electric energy such as generated at electric supply installation 100 is inherently suitable for
In the case of sensor 210, electronic system 200 can not also include power supply changeover device
240。
Although it will be appreciated by those skilled in the art that in embodiment described above, electronics
System 200 includes that optical-electrical converter 230 is to provide working power to sensor 210, so
And, the invention is not limited in this.In some other embodiment of the present invention, such as, exist
Electric supply installation 100 included by electronic system 200 has been able to provide to sensor 210 fill
In the case of the working power of foot, electronic system 200 can not also include optical-electrical converter
230。
Although it will be appreciated by those skilled in the art that in embodiment described above, use
The table of the stratum of the circuit board of sensor 210 piezoelectric element 110 in electric supply installation 100
Face applies electric charge, but, the invention is not limited in this.Some other reality in the present invention
Execute in example, it is also possible to be not that the stratum of the circuit board using sensor 210 is to electric supply installation
The surface of the piezoelectric element 110 in 100 applies electric charge, but electric supply installation 100 includes electric charge
Generation unit, is used for producing electric charge and produced electric charge being applied in electric supply installation 100
The surface of piezoelectric element 110.Or, it is possible to use the shell of sensor 210 is to confession
The surface of the piezoelectric element 110 in electric installation 100 applies electric charge, because at extra-high voltage or super
In the environment of high pressure, the shell of sensor 210 also can populated with electrostatic charge.
Although it will be appreciated by those skilled in the art that in embodiment described above, electronics
In extra-high voltage that system 200 is applied to have alternating electric field or EHT supply transmission tower, so
And, the invention is not limited in this.In some other embodiment of the present invention, Department of Electronics
System 200 can also be applied to have in other occasion of alternating electric field, in this case,
Can use for other electronic module performing predetermined function to replace sensor 210 so that
Obtain electronic system 200 and be applicable to this other occasion with alternating electric field.
It will be appreciated by those skilled in the art that each embodiment disclosed above can be not
Making various deformation and change in the case of deviation invention essence, these deformation and change are all answered
Within this falls within protection scope of the present invention.Therefore, protection scope of the present invention should be by
Appending claims defines.
Claims (16)
1. for providing an electric supply installation for electric energy in the environment have alternating electric field, bag
Include:
Piezoelectric element, has conductive surface, and described conductive surface can be applied in quiet
Electric charge, in the case of there is electrostatic charge on described conductive surface, and hands in described environment
Under the effect of changed electric field, the electrostatic charge motion on described piezoelectric element surface, so that described pressure
Electric device deformation produces electric energy.
2. electric supply installation as claimed in claim 1, wherein,
Described piezoelectric element includes non-conductive piezoelectric, and covers described non-conductive
The conductive material of piezoelectric material surface, this conductive material forms described conductive surface.
3. electric supply installation as claimed in claim 1, wherein,
Described piezoelectric element includes the piezoelectric of conduction, covers in described piezoelectric material surface
Insulant and cover conductive material on described insulant surface, this conductive material shape
Become described conductive surface.
4. electric supply installation as claimed in claim 2, wherein,
Described non-conductive piezoelectric is piezoelectric ceramic fibers.
5. electric supply installation as claimed in claim 1, wherein, also includes:
Electric charge generation unit, is used for producing described electrostatic charge and electrostatic charge being applied to described pressure
The surface of electric device.
6. electric supply installation as claimed in claim 1, wherein, also includes:
Support member, is used for supporting described piezoelectric element.
7. an electronic system, including:
Electronic module, is used for performing predetermined function；And
Electric supply installation, for providing electric energy to described electronic module,
Wherein, described electric supply installation includes the piezoelectric element with conductive surface, described
Conductive surface can be applied in electrostatic charge, has the feelings of electrostatic charge on described conductive surface
Under condition, and under the effect of alternating electric field in the environment, the electrostatic charge on described piezoelectric element surface
Motion, so that the deformation of described piezoelectric element produces electric energy.
8. electronic system as claimed in claim 7, wherein, also includes:
Optical-electrical converter, for being converted to electric energy and exporting to described electronics by the light received
Module.
9. electronic system as claimed in claim 7, wherein, also includes:
Power supply changeover device, is connected between described electronic module and described electric supply installation, is used for
The electric energy that described electric supply installation provides is converted to be applicable to electric energy the handle of described electronic module
The electric energy of conversion exports to described electronic module.
10. electronic system as claimed in claim 7, wherein,
Described piezoelectric element includes non-conductive piezoelectric and covers in described non-conductive pressure
The conductive material on the surface of electric material, this conductive material forms described conductive surface.
11. electronic systems as claimed in claim 7, wherein,
Described piezoelectric element includes the piezoelectric of conduction, covers in described piezoelectric material surface
Insulant and cover conductive material on described insulant surface, this conductive material shape
Become described conductive surface.
12. electronic systems as claimed in claim 10, wherein,
Described non-conductive piezoelectric is piezoelectric ceramic fibers.
13. electronic systems as claimed in claim 7, wherein, described electric supply installation also wraps
Include:
Electric charge generation unit, is used for producing described electrostatic charge and electrostatic charge being applied to described pressure
The surface of electric device.
14. electronic systems as claimed in claim 7, wherein, described electric supply installation also wraps
Include:
Support member, is used for supporting described piezoelectric element.
15. electronic systems as claimed in claim 13, wherein,
Described electronic module is sensor, and
Described electric charge generation unit is the stratum of the circuit board of described sensor.
16. electronic systems as claimed in claim 15, wherein, also include:
Clamp device, between stratum and the ground of its circuit board being connected to described sensor, uses
Keep within the range of permission in making the amount of electrostatic charge on described sensor circuit board stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363683.8A CN103684045B (en) | 2012-09-26 | Electric supply installation and electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363683.8A CN103684045B (en) | 2012-09-26 | Electric supply installation and electronic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103684045A CN103684045A (en) | 2014-03-26 |
| CN103684045B true CN103684045B (en) | 2016-11-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335692A (en) * | 2004-05-21 | 2005-12-08 | Soc D Technologie Michelin | System and method for generating electricity from mechanical energy of rotating tire |
| CN101086523A (en) * | 2007-06-25 | 2007-12-12 | 中国科学院电工研究所 | Sensor node energy management system |
| CN101750533A (en) * | 2008-12-10 | 2010-06-23 | 徐启峰 | Membrane-vibration type high-voltage sensor |
| CN102074981A (en) * | 2010-11-30 | 2011-05-25 | 武汉理工大学 | Photovoltaic-vibrational energy based power supply system for wireless sensor network nodes |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335692A (en) * | 2004-05-21 | 2005-12-08 | Soc D Technologie Michelin | System and method for generating electricity from mechanical energy of rotating tire |
| CN101086523A (en) * | 2007-06-25 | 2007-12-12 | 中国科学院电工研究所 | Sensor node energy management system |
| CN101750533A (en) * | 2008-12-10 | 2010-06-23 | 徐启峰 | Membrane-vibration type high-voltage sensor |
| CN102074981A (en) * | 2010-11-30 | 2011-05-25 | 武汉理工大学 | Photovoltaic-vibrational energy based power supply system for wireless sensor network nodes |
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