CN101814858A - Piezoelectric generating method adapting to railway subgrade surface and track structure - Google Patents
Piezoelectric generating method adapting to railway subgrade surface and track structure Download PDFInfo
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- CN101814858A CN101814858A CN 201010132127 CN201010132127A CN101814858A CN 101814858 A CN101814858 A CN 101814858A CN 201010132127 CN201010132127 CN 201010132127 CN 201010132127 A CN201010132127 A CN 201010132127A CN 101814858 A CN101814858 A CN 101814858A
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Abstract
The invention relates to a piezoelectric generating method adapting to a railway subgrade surface and a track structure. A piezoelectric and vibration generating device is arranged on the railway subgrade surface or in the track structure, thereby generating electric power by utilizing vibration energy and storing the electric energy for utilizing. A system adopted by the method of the invention comprises the piezoelectric and vibration generating device and an electric energy conversion device, wherein the piezoelectric and vibration generating device is arranged on the railway subgrade surface or in the track structure and is used for converting kinetic energy generated when a train runs to electric energy; and the electric energy conversion device is used for adjusting and converting the electric energy generated by a piezoelectric device and storing the electric energy in a storage device or a load device. The piezoelectric device is connected with an electric energy conversion device; and the electric energy conversion device is connected with the storage device or the load device. In the method, waste mechanical kinetic energy is converted into electric energy effectively; the system is simple and reliable without energy consumption or pollution, and can be widely applied to lighting electricity for tunnels along railways, work residents and the like; and because of energy conservation and environment protection, the system has remarkable economic value and social value.
Description
Technical field
The present invention relates to a kind of method and system thereof of roadbed and track vibration energy piezo-electric generating when utilizing railroad train to pass through.
Background technology
There are multiple generating type or method at present, as thermoelectricity, water power, nuclear power, wind-powered electricity generation or the like, wherein use the thermal power generation of fuel to have certain energy resource consumption and pollution problem, hydroelectric power generation can only be used for the rivers location, the complicated huge great amount of investment that needs of nuclear electric power generation, therefore, the electric energy that present all trades and professions need constantly is quite valuable, and the regenerative resource such as the solar energy of cleaning, wind energy, oceanic energy, geothermal energy etc., be subjected to geography to a great extent, landforms, the restriction of natural conditions such as landform and weather, and the utilization of regenerative resource still only accounts for sub-fraction at present.Because a large amount of at present tradition resource exhaustions of using such as oil, coal fail again to set up with stylish production of energy supply system, have potential energy crisis in a series of industries such as transportation, industry and commerce, financial circles.Fully development and use new forms of energy, raising energy consumption efficiency are the task of top priority, are just actively developing the research of this respect at present both at home and abroad, and are obtaining good effect.At present, neither belong to mineral resources and also do not belong to natural energy resources or atomic energy, but make full use of the energy that people's lives, activity in production and transport process can utilize again, promptly utilize train operation by the time pressure that track and roadbed are produced, act on the element with piezoelectric effect, be converted to electric energy output, constitute the free of contamination electricity generation system of no energy consumption.
Curie brothers in 1880 find the phenomenon of piezoelectricity of crystal first, and promptly quartz crystal electrical potential difference can occur between both ends of the surface under action of mechanical pressure.Piezoelectric effect has been applied to people and has produced, lived, military, the closely-related many fields of science and technology, has realized power-functions such as electricity conversion.For example convert external force the characteristic of electric energy to, can produce piezoelectric lighter without flint, gas range ignitor switch, shell contact fuze etc. with piezoelectric ceramic.In addition, piezoelectric ceramic can also be applied to electro-acoustic elements such as loudspeaker, pickup as sensitive material, be used for the piezoelectricity seismic detector, can monitor the imperceptible trickle vibration of the mankind, and accurately measure focus orientation and intensity, thereby the prediction earthquake is reduced the loss.The piezoelectric actuator that utilizes piezoelectric effect to make has the function of accurate control, is the important devices in fields such as precision optical machinery, microelectronics and bioengineering.Utilizing vibrational energy effect piezoelectric element to generate electricity also is a research that obtains first-stage success.
The present invention is arranged on piezo-electric device on the railway subgrade surface or in the track structure, utilizes vibrational energy to produce electric energy and is stored for utilization.Compare with traditional vibrational energy that utilizes, utilize the generating of railway bed and track vibration energy to have significant advantage: the trackage Stability Analysis of Structures, Train Schedule and working line are fixed, the train axle weighs and conducts oneself with dignity much larger than automobile, therefore the railway bed track vibration energy that can collect utilization is big and stable, adopts piezo-electric device can collect the huge electric energy of storage.The highway pavement vibrational energy is subjected to vehicle running route and has randomness and discreteness, piezo-electric device that area is set is big, it is low to collect utilance.
Summary of the invention
The objective of the invention is to, a kind of method and device thereof that utilizes railway bed and track vibration energy piezo-electric generating proposed, be laid in piezo-electric device on the railway subgrade surface or in the track structure, vibration generating device is fixed on the railway both sides curb or the rail web of the rail, utilizes vibrational energy to produce electric energy and is stored for utilization.The method of utilizing railway bed and track vibration energy piezo-electric generating and system thereof that the present invention proposes are converted to electric energy effectively with the mechanical kinetic energy of wasting in the train travelling process, system is simple and reliable, no energy consumption, pollution-free, can be widely used in railway tunnel along the line, the worker electric consumption on lighting such as guard station of being engaged in, the energy saving of system environmental protection has remarkable economical and is worth and social value.
For achieving the above object, the present invention adopts following technical measures:
Piezo-electric device is layed on the railway subgrade surface of the tiny fragments of stone, coal, etc. and non-fragment orbit structure or the support plate of the board-like non-fragment orbit of elastic bearing down or be fixed in the insulated buffer plate of fastener device, vibration generating device has been fixed on the tiny fragments of stone, coal, etc. or the non-fragment orbit structure both sides curb or the rail web of the rail, train by the time dynamic load from rail to track structure and roadbed transmission, piezoelectricity and vibration generating device are subjected to periodically dynamic action, vibrational energy collected and be converted to electric energy, store by electrical energy storage device or load device again or utilize through device for converting electric energy.This method may further comprise the steps (Fig. 1):
A. on the railway subgrade surface that the tiny fragments of stone, coal, etc. or non-fragment orbit structure are arranged or under the support plate of the board-like non-fragment orbit of elastic bearing or be fixed in the insulated buffer plate of fastener device and lay piezo-electric device, arrange vibration generating device having on the tiny fragments of stone, coal, etc. or the non-fragment orbit structure both sides curb or the rail web of the rail, this piezoelectricity and vibration generating device receive the vibrational energy generating in the train driving process;
B. in electric energy transmitting to a device for converting electric energy with piezoelectricity and vibration generating device generation, the electric energy that changes is adjusted and changed;
C. stored by electrical energy storage device through the electric energy after device for converting electric energy adjustment and the conversion, and by the load control module powering load, load comprises railway tunnel along the line, the worker various illuminations communication electricity consumptions such as guard station of being engaged in;
When the electric energy of described device for converting electric energy adjustment and variation was accepted by electrical energy storage device, device for converting electric energy was controlled automatically to the charging voltage and the electric current of electrical energy storage device.The electric energy that the vibrational energy that described device for converting electric energy is collected piezo-electric device produces adjusts and conversion comprises following two steps:
1) AC rectification with piezoelectricity and vibration generating device generation is a direct current;
2) the device for converting electric energy testing procedure 1) direct voltage, select suitable DC converting module (DC/DC) to be converted to suitable direct voltage and electric current charges to electrical energy storage device.
The present invention also provides a kind of piezo-electric generating system that is used for said method, this piezo-electric generating system comprises piezo-electric device, device for converting electric energy and electrical energy storage device, the vibrational energy that produces when piezo-electric device is used to collect train operation, device for converting electric energy is converted into electric energy with vibrational energy under direct piezoelectric effect and dither effect effect, be used for electric energy is adjusted and conversion, the electric energy after device for converting electric energy adjustment and the conversion is supplied with storage device and is stored.
Advantage of the present invention:
1, trackage design feature, Train Schedule and working line are fixed, and the train axle weighs and conducts oneself with dignity much larger than automobile, and the railway bed track vibration energy that therefore can collect utilization is big and stable, and the employing piezo-electric device can be collected and store huge electric energy.
2, the present invention is different with existing various power generation energy resources.Roadbed track vibration energy piezo-electric generating did not consume other fossil energy and natural resources when it directly utilized railroad train to pass through.The supporting batteries of this invention only need be placed on existing railway curb or side slope place with the control electric power system, and the existing railway structure is had no effect, and traffic safety is had no effect.
The present invention is as a kind of clean energy resource, can be widely used in railway tunnel along the line, the worker electric consumption on lighting such as guard station of being engaged in, and the energy saving of system environmental protection has remarkable economical and is worth and social value.
Description of drawings: Fig. 1: system construction drawing
Fig. 2: have tiny fragments of stone, coal, etc. track to press and vibrating power-generation electric installation layout plan;
Fig. 3: non-fragment orbit piezoelectricity and vibration generating device layout plan
Piezo-electric device-1; Sleeper-2; Fastener-3; Rail-4; Road bed-5; Roadbed-6; Insulated buffer plate-7; Support plate-8; The rail web of the rail-9; Curb-10; Vibration generating device-11.
Specific embodiment:
Fig. 1 illustrate utilize railroad train by the time roadbed and track vibration energy piezo-electric generating system comprise piezoelectricity and vibration generating device, device for converting electric energy, electrical energy storage device, load control module, load.The vibrational energy that piezoelectricity and vibration generating device produce when being used to collect train operation, under direct piezoelectric effect and dither effect effect, vibrational energy is converted into electric energy, device for converting electric energy is adjusted and conversion electric energy, and the electric energy supply of electrical energy storage device after device for converting electric energy adjustment and the conversion is stored.Electrical energy storage device is connected with load with load control module again, is used for railway tunnel along the line, the worker electric consumption on lighting such as guard station of being engaged in behind the electric energy thereby the mechanical kinetic energy of wasting in the train travelling process is converted to effectively.
Fig. 2 has illustrated tiny fragments of stone, coal, etc. track piezo-electric device layout plan, wherein piezo-electric device 1 is layed on the railway subgrade surface 6 of tiny fragments of stone, coal, etc. track structure, vibration generating device 11 is arranged on the curb 10 or on the rail web of the rail 9, and is layed on the railway subgrade surface of non-fragment orbit structure not shown in the drawings.
Fig. 3 illustrates non-fragment orbit piezo-electric device layout plan, wherein piezo-electric device 1 is layed in the insulated buffer plate that is fixed on fastener 37 of railway of non-fragment orbit structure or the support plate of non-fragment orbit 8 times, and vibration generating device 11 is arranged on the curb 10 or on the rail web of the rail 9.
Claims (9)
- One kind be adapted on the railway subgrade surface and track structure in piezo-electric generating method, it is characterized in that, piezo-electric device is layed on the railway subgrade surface of the tiny fragments of stone, coal, etc. and non-fragment orbit structure or the support plate of the board-like non-fragment orbit of elastic bearing down or be fixed in the insulated buffer plate of fastener device, vibration generating device has been fixed on the tiny fragments of stone, coal, etc. or the non-fragment orbit structure both sides curb or the rail web of the rail, train by the time dynamic load from rail to track structure and roadbed transmission, piezoelectricity and vibration generating device are subjected to periodically dynamic action, vibrational energy collected and be converted to electric energy, store by electrical energy storage device or load device again or utilize through device for converting electric energy.
- 2. piezo-electric generating method as claimed in claim 1, the electric energy that the vibrational energy that described device for converting electric energy is collected piezo-electric device produces adjusts and conversion comprises following two steps: with the AC rectification of piezo-electric device and vibration generating device generation is direct current; The direct voltage of device for converting electric energy testing procedure selects suitable DC converting module (DC/DC) to be converted to suitable direct voltage and electric current charges to electrical energy storage device.
- 3. piezo-electric generating system that is used for piezo-electric generating method as claimed in claim 1, this piezo-electric generating system comprises piezo-electric device, vibration generating device, device for converting electric energy and electrical energy storage device, the vibrational energy that piezo-electric device and vibration generating device produce when being used to collect train operation, device for converting electric energy is converted into electric energy with vibrational energy under the effect of direct piezoelectric effect and dither effect, be used for electric energy is adjusted and conversion, the electric energy after device for converting electric energy adjustment and the conversion is supplied with storage device and is stored.
- 4. piezo-electric generating method as claimed in claim 1, vertically lay on its piezo-electric device downline road that is layed on the road bed of tiny fragments of stone, coal, etc. track structure, is the center with the line midline, lay width in the main distribution of dynamic load in 3m.
- 5. piezo-electric generating method as claimed in claim 1, vertically lay on its piezo-electric device downline road that is layed on the road bed of non-fragment orbit structure, is the center with the central lines of track, lays width in base or supporting course width range are between 2.4～3m.
- 6. piezo-electric generating method as claimed in claim 1, its piezo-electric device that is layed under the support plate of the board-like non-fragment orbit of elastic bearing is laid under the support plate, and the piezo-electric device size is the support plate size.
- 7. piezo-electric generating method as claimed in claim 1, its piezo-electric device that is fixed in the insulated buffer plate of fastener device is directly implanted shaping with piezo-electric device in the manufacturing process of backing plate.
- 8. as claim 3 or 4 described piezo-electric generating methods, it is characterized in that the piezoelectric element in the piezo-electric device comprises piezoelectric ceramic, piezopolymer and piezo-electricity composite material one of them or its combination, directly as the roadbed part.
- 9. as claim 5 or 6 described piezo-electric generating methods, it is characterized in that the piezoelectric element in the piezo-electric device is a piezopolymer.
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| CN 201010132127 CN101814858A (en) | 2010-03-25 | 2010-03-25 | Piezoelectric generating method adapting to railway subgrade surface and track structure |
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| CN 201010132127 CN101814858A (en) | 2010-03-25 | 2010-03-25 | Piezoelectric generating method adapting to railway subgrade surface and track structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611185A (en) * | 2012-03-21 | 2012-07-25 | 西南交通大学 | Self charging system for track test, track test instrument and self charging method of self charging system |
| CN103731065A (en) * | 2013-12-13 | 2014-04-16 | 东南大学 | Self-powered type wireless tunnel health monitoring device based on vibration electricity generation |
| CN103929094A (en) * | 2014-03-24 | 2014-07-16 | 中国市政工程西北设计研究院有限公司浙江分院 | Method for generating renewable energy on rail transit through piezoelectric technology |
| CN104283457A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Track vertical vibration energy recovery device |
| CN104539192A (en) * | 2014-12-22 | 2015-04-22 | 清华大学 | Piezoelectric type road vibration energy collecting system |
| CN106329874A (en) * | 2016-11-25 | 2017-01-11 | 简极科技有限公司 | Motion charging intelligent ball |
| CN106320099A (en) * | 2016-10-13 | 2017-01-11 | 长安大学 | Energy-storing and shock-absorbing type power generation device for subway train rails |
| CN106906700A (en) * | 2017-03-06 | 2017-06-30 | 武汉理工大学 | A kind of track vibration energy collecting device and a kind of track traffic illuminator |
| CN107404256A (en) * | 2017-09-14 | 2017-11-28 | 浙江大学城市学院 | A kind of subway line prisoner can TRT |
| CN107508365A (en) * | 2017-09-14 | 2017-12-22 | 浙江大学城市学院 | A kind of magnetic-type underground railway track prisoner can TRT |
| CN112681030A (en) * | 2020-12-16 | 2021-04-20 | 江苏必得科技股份有限公司 | Composite multilayer piezoelectric array energy storage base plate for rail transit |
| CN112865273A (en) * | 2021-01-20 | 2021-05-28 | 高鸣源 | Turnout connecting pin vibration energy collecting circuit, module and system |
| CN114737426A (en) * | 2022-03-28 | 2022-07-12 | 温州大学 | Combine soft soil highway section road bed to bear power generation facility |
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| GB2191347A (en) * | 1986-04-25 | 1987-12-09 | Heidelberger Druckmasch Ag | Electrical generator associated with printing press rotating cylinders |
| CN1610210A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rolling stock rail vibration energy piezoelectric power generating method and system thereof |
| CN1610209A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rail vehicle vibrating energy piezoelectric power generating method and system thereof |
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2010
- 2010-03-25 CN CN 201010132127 patent/CN101814858A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2191347A (en) * | 1986-04-25 | 1987-12-09 | Heidelberger Druckmasch Ag | Electrical generator associated with printing press rotating cylinders |
| CN1610210A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rolling stock rail vibration energy piezoelectric power generating method and system thereof |
| CN1610209A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rail vehicle vibrating energy piezoelectric power generating method and system thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611185B (en) * | 2012-03-21 | 2014-12-10 | 西南交通大学 | Self charging system for track test, track test instrument and self charging method of self charging system |
| CN102611185A (en) * | 2012-03-21 | 2012-07-25 | 西南交通大学 | Self charging system for track test, track test instrument and self charging method of self charging system |
| CN104283457A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Track vertical vibration energy recovery device |
| CN104283457B (en) * | 2013-07-10 | 2016-08-24 | 上海工程技术大学 | A kind of track vertical vibration energy recycle device |
| CN103731065A (en) * | 2013-12-13 | 2014-04-16 | 东南大学 | Self-powered type wireless tunnel health monitoring device based on vibration electricity generation |
| CN103731065B (en) * | 2013-12-13 | 2015-08-26 | 东南大学 | Based on the self-powered type wireless tunnel health monitoring device of vibrating power-generation |
| CN103929094A (en) * | 2014-03-24 | 2014-07-16 | 中国市政工程西北设计研究院有限公司浙江分院 | Method for generating renewable energy on rail transit through piezoelectric technology |
| CN104539192A (en) * | 2014-12-22 | 2015-04-22 | 清华大学 | Piezoelectric type road vibration energy collecting system |
| CN106320099A (en) * | 2016-10-13 | 2017-01-11 | 长安大学 | Energy-storing and shock-absorbing type power generation device for subway train rails |
| CN106329874A (en) * | 2016-11-25 | 2017-01-11 | 简极科技有限公司 | Motion charging intelligent ball |
| CN106906700A (en) * | 2017-03-06 | 2017-06-30 | 武汉理工大学 | A kind of track vibration energy collecting device and a kind of track traffic illuminator |
| CN107404256A (en) * | 2017-09-14 | 2017-11-28 | 浙江大学城市学院 | A kind of subway line prisoner can TRT |
| CN107508365A (en) * | 2017-09-14 | 2017-12-22 | 浙江大学城市学院 | A kind of magnetic-type underground railway track prisoner can TRT |
| CN112681030A (en) * | 2020-12-16 | 2021-04-20 | 江苏必得科技股份有限公司 | Composite multilayer piezoelectric array energy storage base plate for rail transit |
| CN112865273A (en) * | 2021-01-20 | 2021-05-28 | 高鸣源 | Turnout connecting pin vibration energy collecting circuit, module and system |
| CN112865273B (en) * | 2021-01-20 | 2023-09-12 | 成都铁工科技有限公司 | Switch connecting pin vibration energy collection circuit, module and system |
| CN114737426A (en) * | 2022-03-28 | 2022-07-12 | 温州大学 | Combine soft soil highway section road bed to bear power generation facility |
| CN114737426B (en) * | 2022-03-28 | 2023-09-05 | 温州大学 | Roadbed bearing power generation device combined with soft soil road section |
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Open date: 20100825 |