CN102545720A - Generation system using temperature difference between city asphalt pavement and underground water source pipeline - Google Patents
Generation system using temperature difference between city asphalt pavement and underground water source pipeline Download PDFInfo
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- CN102545720A CN102545720A CN2012100428496A CN201210042849A CN102545720A CN 102545720 A CN102545720 A CN 102545720A CN 2012100428496 A CN2012100428496 A CN 2012100428496A CN 201210042849 A CN201210042849 A CN 201210042849A CN 102545720 A CN102545720 A CN 102545720A
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Abstract
The invention discloses a generation system using the temperature difference between a city asphalt pavement and an underground water source pipeline. A water flow pipe network is distributed in the city asphalt pavement and is connected in parallel with the water source pipeline paved under the city asphalt pavement. And one part of a backflow water end of the water flow pipe network is wound on the water source pipeline. A temperature difference generation module is arranged between the water flow pipe network and the city asphalt pavement, and the temperature difference generation module is arranged on an area with a large temperature difference of the connection part of the water flow pipe network and the water source pipeline. According to the generation system disclosed by the invention, the pavement temperature and the environment temperature can be balanced by collecting the pavement temperature through the temperature difference generation modules, so that the durability and the using property of a pavement structure, which are influenced by the temperature, are improved. Meanwhile, temperature difference generation has the advantages of reliable property, no pollution, no noise and sustainable use. Generated electric energy further can be used as supplements of power utilization of municipal works, such as roadway illumination, and traffic lights.
Description
Technical field
The present invention relates to a kind of road surface generation technology, especially a kind of city bituminous pavement and underground water source pipeline thermo-electric generation system of utilizing.
Background technology
The thermo-electric generation technology is to utilize Seebeck effect heat energy to be converted into the new-generation technology of electric energy.In recent years, along with the continuous research and development of high performance thermoelectric material, the thermo-electric generation technology is constantly used and is promoted in every field, like the utilization of spaceborne radioisotope thermoelectric generator, residual heat of tail gas of automobile recovery system, ocean thermal energy etc.At present, this technology is only used in specific high-end technology field, and the heat energy utilization field does not still have the application precedent on the road surface.
Summary of the invention
The objective of the invention is for overcoming the deficiency of above-mentioned prior art; A kind of city bituminous pavement and underground water source pipeline thermo-electric generation system of utilizing is provided; This system utilizes the thermo-electric generation effect, through temperature-difference power generation module, the bituminous pavement and the following temperature difference that circulates running water of urban road is changed into electric energy utilization; Weaken the influence of temperature effect road pavement simultaneously, improve the serviceability and the durability on road surface.
For realizing above-mentioned purpose, the present invention adopts following technical proposals:
A kind of city bituminous pavement and underground water source pipeline thermo-electric generation system of utilizing; In the bituminous pavement of city, lay the current pipe network; The current pipe network is parallel on the water pipeline of laying under the bituminous pavement of city; And the backflow water end (W.E.) part of current pipe network is wrapped on the water pipeline, is being respectively equipped with some temperature-difference power generation modules between current pipe network and the city bituminous pavement and on current pipe network and the water pipeline coupling part contact-making surface.
Said temperature-difference power generation module is arranged at the interior recirculated water of current pipe network respectively and the big regional water flow pipes of the bituminous pavement temperature difference is online; And the recirculation water end parts of current pipe network is wrapped on the water pipeline zone; And this temperature-difference power generation module contacts with the backflow water end (W.E.) tube wall of current pipe network on one side, and another side contacts with the water pipeline tube wall.
The present invention is through laying the current pipe network in the bituminous pavement of city; Water at low temperature in the current pipe network is utilized the thermo-electric generation of the low water temperature formation of bituminous pavement high temperature and water pipe from city tap-water pipeline, underground water or other water sources (this paper is that example describes with the running water).
Bituminous pavement directly receives the influence of natural causes such as solar radiation, temperature, wind-force as being directly exposed to the building structure under the natural environment, can accept to put aside a large amount of road surface heat energy, can reach comparatively extreme pavement temperature value in winter in summer.This will directly have influence on the serviceability and the durability (the too high meeting of pavement temperature causes pavement track, and pavement temperature is crossed to hang down and can be caused cold cracking) on road surface.This technology is that road pavement heat energy utilizes, and weakens the influence of temperature effect road pavement simultaneously, improves the serviceability and the durability on road surface.
The current pipe network is set in asphalt pavement structure; Link to each other with the water supply pipe that urban road is divided into; The circulating water of quoting wherein gets into the road surface pipe network, is the media balance bituminous pavement temperature and the ambient temperature of transferring heat energy with water, and the specific contact-making surface that formation simultaneously has the big temperature difference is in order to thermo-electric generation; Flow back to original city tap-water system behind the transmission that circulating water participate in to be accomplished heat energy and the thermo-electric generation, form and circulate.
The technical essential of bituminous pavement thermo-electric generation technological core is: the design and the selection of hot junction and cold junction in the thermo-electric generation system.The hot tap-water of this technology after with the heating of bituminous pavement or the bituminous pavement of flowing through is the hot junction, is cold junction with the running water of buried underground normal temperature or low temperature.
This bituminous pavement thermo-electric generation system comprises three major parts: effective electricity generation system that is connected, lays temperature-difference power generation module formation at ad-hoc location of the water supply pipe that the current pipe network of laying in the asphalt pavement structure, current pipe network and urban road are laid down.
1) laying of current pipe network
Consider the distribution of heat energy in the structure of pitch the inside and of the influence of current pipe network to the asphalt pavement structure serviceability, the current pipe network can be laid in following 10cm degree of depth place, road surface (during enforcement need first according to concrete pavement structure type make an experiment, theoretical validation).
Water temperature was advisable with the asphalt pavement structure temperature is consistent when the length of current pipe network, arrangement form flowed out with current.Need to consider flow rate of water flow, the function division of urban road surfaces and the influence of road pavement structure serviceability etc.
Being advisable with pavement, the less zone, track of the volume of traffic in the position of water flow pipes network arrangements, is regional choice criteria to bear less traffic load.
The current pipe network is the important and link that is vulnerable to destroy most in the whole bituminous pavement thermo-electric generation system, so the selection of water flow pipes net materials and construction operation phase are extremely important to its protection.The current pipe network should adopt the material with high thermal conductivity ability, higher-strength and durability.
In addition, the asphalt that the asphalt pavement structure construction time can be used adulterating agent such as admixture graphite to be improving the heat conductivility of structure, and then improves the efficient of thermo-electric generation.
2) current pipe network and running water, caliduct is connected
The setting of coupling part will be considered the characteristics of the layout of city tap-water pipeline: pipeline is parallel to road axis and arranges; Pipeline be usually placed in the pavement or the less track of driving a vehicle under; Buried depth of pipeline is usually about 2m.Influence to reduce running water system is a setting principle.
A technical essential of paying special attention to when the coupling part is provided with is: recirculated water is not directly to flow back to water supply pipe; But one section parallel process of regulating temperature is arranged; Recirculated water after the bituminous pavement of flowing through in this process intensification or the cooling and the water in the water supply pipe have uniform temperature poor, can arrange that temperature-difference power generation module is used for generating electricity.
Control Circulation water the enter valve of bituminous pavement pipe network in coupling part need be arranged on above or easy-operating position, road surface and note protection; Trunk line and circulating line caliber difference, hydraulic pressure difference will be coordinated, and should carry out the coupling part simultaneously and prevent handling of seepage.
3) laying of temperature-difference power generation module
No matter summer or winter; All there is bigger temperature difference between asphalt pavement structure and the running water; This temperature difference should not realize that this technology is solved through the method for recirculated water in the pipeline being introduced current pipe network in the asphalt pavement structure through the shallow embedding water supply pipe.When recirculated water had just got into asphalt pavement structure, both had bigger temperature contrast, can receive bituminous pavement heating or cooling then, before recirculated water flows back to water supply pipe, can have bigger temperature contrast with the water in the pipeline again.Therefore, temperature-difference power generation module has two layout area: the one, and current pipe network leading portion, recirculated water and the bigger zone of the bituminous pavement temperature difference can directly be attached to temperature-difference power generation module on the water pipe; The 2nd, parallel with water supply pipe before recirculated water flows back to, there is the zone of the big temperature difference in both, contact the water supply pipe tube wall while temperature-difference power generation module need contact current pipe network recirculated water tube wall.
Quantity and density that temperature-difference power generation module is laid can be confirmed according to voltage, actual road surface situation and the economy of road electrical appliance.Temperature-difference power generation module is existing technology, can on market, buy, and repeats no more at this.
It is the most important link of whole generating module that the thermo-electric generation material is selected, and should select good economy performance, new material that conversion efficiency of thermoelectric is high for use.The low-temperature electricity-generating material that has higher figure of merit in the market is Bi2Te3-Bi2Se3 solid solution (N type) and Bi2Te3-Sb2Te3 solid solution (P type), the TEG1-127-2.8-3.5-200 type thermo-electric generation assembly of producing like Guangdong Fuxin Electronic Technology Co., Ltd. etc.But the more efficiently thermo-electric generation material novel along with the progress of science and technology can constantly occur, and upgrade in time and adopt the new material new technology.
Temperature-difference power generation module need be provided with electrical storage device, regulates the use of thermo-electric generation electric energy, and direct current alternating current conversion equipment also need be set if desired, and the electric energy that thermo-electric generation produces is a direct current.
The invention has the beneficial effects as follows; This bituminous pavement thermo-electric generation technology is gathered through temperature-difference power generation module road pavement temperature; Can play the effect of neutrodyne circuit surface temperature and ambient temperature; Improve the durability and the serviceability of pavement structure temperature influence, thermo-electric generation has dependable performance, pollution-free, noiselessness, the continuous advantage of using forever simultaneously, and the electric energy of generation also can be used as replenishing of municipal works electricity consumptions such as road lighting, traffic lights.
Description of drawings
Fig. 1 structural representation of the present invention;
Fig. 2 is the temperature-difference power generation module organigram;
Fig. 3 is that the water flow pipes network plane is laid sketch map;
Fig. 4 is that the current pipe network is connected sketch map with trunk line;
Fig. 5 is that temperature-difference power generation module is arranged sketch map;
1. electric conductors wherein, 2. heat conductive insulating protecting sheathing, 3. thermal insulation protection shell, 4. contact hot junction, 5. contact cold junction, 8. water supply pipe, 10. valve, 11. backflow water end (W.E.)s, 12. temperature-difference power generation modules, 13 city bituminous pavements, 14. current pipe networks.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Shown in Fig. 1-5; A kind of city bituminous pavement thermo-electric generation system; In city bituminous pavement 13, lay current pipe network 14; Current pipe network 14 is parallel on the water pipeline that city bituminous pavement 13 times lays, and backflow water end (W.E.) 11 parts of current pipe network 14 are wrapped on the water pipeline, is being respectively equipped with some temperature-difference power generation modules 12 between current pipe network 14 and the city bituminous pavement 13 and on current pipe network 14 and the water pipeline coupling part temperature difference maximum region.Temperature-difference power generation module 12 links to each other with power consumption equipment through circuit.
Temperature-difference power generation module 12 is arranged at respectively on the current pipe network 14 of current pipe network 14 interior recirculated waters and city bituminous pavement 13 temperature difference maximum regions; And backflow water end (W.E.) 11 parts of current pipe network 14 are wrapped on the water pipeline zone; And this temperature-difference power generation module 12 contacts with backflow water end (W.E.) 11 tube walls of current pipe network 14 on one side, and another side contacts with the water pipeline tube wall.
Water source among the present invention is running water or heating installation or underground water.This sentences running water is the example explanation.Other water sources are similar in this, repeat no more.
The technical essential of bituminous pavement thermo-electric generation technological core is: the design and the selection of hot junction and cold junction in the thermo-electric generation system.The hot tap-water of this technology after with the heating of bituminous pavement or the bituminous pavement of flowing through is the hot junction, is cold junction with the running water of buried underground normal temperature or low temperature.
This bituminous pavement thermo-electric generation system comprises three major parts: effective electricity generation system that is connected, lays temperature-difference power generation module 12 formation at ad-hoc location of the water supply pipe 8 that the current pipe network of laying in the asphalt pavement structure 14, current pipe network 14 and urban road are laid down.
1) laying of current pipe network 14
As shown in Figure 3; Consider the distribution of heat energy in the structure of pitch the inside and the influence of 14 pairs of asphalt pavement structure serviceabilities of current pipe network, current pipe network 14 can be laid in following 10cm degree of depth place, road surface (during enforcement need first according to concrete pavement structure type make an experiment, theoretical validation).
Water temperature was advisable with the asphalt pavement structure temperature is consistent when the length of current pipe network 14, arrangement form flowed out with current.Need to consider flow rate of water flow, the function division of urban road surfaces and the influence of road pavement structure serviceability etc.
Being advisable with pavement, the less zone, track of the volume of traffic in the position that current pipe network 14 is arranged, is regional choice criteria to bear less traffic load.
In addition, the asphalt that the asphalt pavement structure construction time can be used adulterating agent such as admixture graphite to be improving the heat conductivility of structure, and then improves the efficient of thermo-electric generation.
2) current pipe network 14 and water supply pipe is connected
As shown in Figure 4, the setting of coupling part will be considered the characteristics of the layout of city tap-water pipeline 8: pipeline is parallel to road axis and arranges; Pipeline be usually placed in the pavement or the less track of driving a vehicle under; Buried depth of pipeline is usually about 2m.Influence to reduce running water system is a setting principle.
A technical essential of paying special attention to when the coupling part is provided with is: recirculated water is not directly to flow back to water supply pipe 8; But one section parallel process of regulating temperature is arranged; Recirculated water after the bituminous pavement of flowing through in this process intensification or the cooling and the water in the water supply pipe have uniform temperature poor, can arrange that temperature-difference power generation module 12 is used for generating electricity.
Control Circulation water the enter valve 10 of bituminous pavement pipe network in coupling part need be arranged on above or easy-operating position, road surface and note protection; Trunk line and circulating line caliber difference, hydraulic pressure difference will be coordinated, and should carry out the coupling part simultaneously and prevent handling of seepage.
3) laying of temperature-difference power generation module
No matter summer or winter; All there is bigger temperature difference between asphalt pavement structure and the running water; This temperature difference should not realize that the present invention solves through the method for recirculated water in the pipeline being introduced current pipe network in the asphalt pavement structure through the shallow embedding water supply pipe.When recirculated water had just got into asphalt pavement structure, both had bigger temperature contrast, can receive bituminous pavement heating or cooling then, before recirculated water flows back to water supply pipe 8, can have bigger temperature contrast with the water in the pipeline again.Therefore, temperature-difference power generation module has two layout area: the one, and current pipe network 14 leading portions, recirculated water and the bigger zone of the bituminous pavement temperature difference can directly be attached to temperature-difference power generation module 12 on the water pipe; The 2nd, parallel with water supply pipe before recirculated water flows back to, there is the zone of the big temperature difference in both, contact water supply pipe 8 tube walls while temperature-difference power generation module 12 need contact current pipe network 14 recirculated water tube walls.
As shown in Figure 5, quantity and density that temperature-difference power generation module 12 is laid can be confirmed according to voltage, actual road surface situation and the economy of road electrical appliance.As shown in Figure 2, temperature-difference power generation module 12 is existing technology, can on market, buy, and it comprises electric conductor 1, heat conductive insulating protecting sheathing 2, and thermal insulation protection shell 3, contact hot junction 4, contact cold junction 5 is in this its detailed construction that repeats no more.
It is the most important link of whole generating module that the thermo-electric generation material is selected, and should select good economy performance, new material that conversion efficiency of thermoelectric is high for use.The low-temperature electricity-generating material that has higher figure of merit in the market is Bi
2Te
3-Bi
2Se
3Solid solution (N type) and Bi
2Te
3-Sb
2Te
3Solid solution (P type), the TEG1-127-2.8-3.5-200 type thermo-electric generation assembly of producing like Guangdong Fuxin Electronic Technology Co., Ltd. etc.But the more efficiently thermo-electric generation material novel along with the progress of science and technology can constantly occur, and upgrade in time and adopt the new material new technology.
Temperature-difference power generation module 12 need be provided with electrical storage device, regulates the use of thermo-electric generation electric energy, and direct current alternating current conversion equipment also need be set if desired, and the electric energy that thermo-electric generation produces is a direct current.
Though the above-mentioned accompanying drawing specific embodiments of the invention that combines is described; But be not restriction to protection range of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (3)
1. one kind is utilized city bituminous pavement and underground water source pipeline thermo-electric generation system; It is characterized in that; In the bituminous pavement of city, lay the current pipe network; The current pipe network is parallel under the bituminous pavement of city on the water pipeline of laying, and the backflow water end (W.E.) part of current pipe network is wrapped on the water pipeline, is being respectively equipped with some temperature-difference power generation modules between current pipe network and the city bituminous pavement and on the contact-making surface of current pipe network and water pipeline coupling part.
2. city bituminous pavement and the underground water source pipeline thermo-electric generation system of utilizing as claimed in claim 1; It is characterized in that; Said temperature-difference power generation module is arranged at the interior recirculated water of current pipe network respectively and the big regional water flow pipes of the bituminous pavement temperature difference is online; And the recirculation water end parts of current pipe network is wrapped on the water pipeline zone, and this temperature-difference power generation module contacts with the backflow water end (W.E.) tube wall of current pipe network on one side, and another side contacts with the water pipeline tube wall.
3. city bituminous pavement and the underground water source pipeline thermo-electric generation system of utilizing as claimed in claim 1 is characterized in that said water source is running water or underground water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210042849.6A CN102545720B (en) | 2012-02-24 | 2012-02-24 | Generation system using temperature difference between city asphalt pavement and underground water source pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042849.6A CN102545720B (en) | 2012-02-24 | 2012-02-24 | Generation system using temperature difference between city asphalt pavement and underground water source pipeline |
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| CN102545720B CN102545720B (en) | 2014-11-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871304A (en) * | 2016-01-02 | 2016-08-17 | 俞亮芽 | Solar power generation device |
| CN107959342A (en) * | 2017-12-25 | 2018-04-24 | 黑龙江龙电电气有限公司 | A kind of method of supplying power to of Urban Underground pipe gallery |
| CN110438862A (en) * | 2019-08-22 | 2019-11-12 | 长安大学 | A kind of assembled Plastic Base Asphalt Pavement structure and its construction technology |
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| US20070023163A1 (en) * | 2005-03-09 | 2007-02-01 | Kelix Heat Transfer Systems, Llc | Coaxial-flow heat transfer structures for use in diverse applications |
| CN101783628B (en) * | 2009-01-21 | 2012-01-11 | 骆俊光 | Environmental protection heat generating device |
| CN202116965U (en) * | 2011-04-06 | 2012-01-18 | 福建省交通科学技术研究所 | Thermoelectric conversion device for heat transfer of asphalt concrete road |
| CN202513852U (en) * | 2012-02-24 | 2012-10-31 | 山东大学 | Generation system using temperature difference between city asphalt pavement and underground water source pipeline |
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2012
- 2012-02-24 CN CN201210042849.6A patent/CN102545720B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070023163A1 (en) * | 2005-03-09 | 2007-02-01 | Kelix Heat Transfer Systems, Llc | Coaxial-flow heat transfer structures for use in diverse applications |
| CN101783628B (en) * | 2009-01-21 | 2012-01-11 | 骆俊光 | Environmental protection heat generating device |
| CN202116965U (en) * | 2011-04-06 | 2012-01-18 | 福建省交通科学技术研究所 | Thermoelectric conversion device for heat transfer of asphalt concrete road |
| CN202513852U (en) * | 2012-02-24 | 2012-10-31 | 山东大学 | Generation system using temperature difference between city asphalt pavement and underground water source pipeline |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871304A (en) * | 2016-01-02 | 2016-08-17 | 俞亮芽 | Solar power generation device |
| CN105915154A (en) * | 2016-01-02 | 2016-08-31 | 俞亮芽 | Solar energy generation device |
| CN105915158A (en) * | 2016-01-02 | 2016-08-31 | 俞亮芽 | Solar energy generation device |
| CN107959342A (en) * | 2017-12-25 | 2018-04-24 | 黑龙江龙电电气有限公司 | A kind of method of supplying power to of Urban Underground pipe gallery |
| CN110438862A (en) * | 2019-08-22 | 2019-11-12 | 长安大学 | A kind of assembled Plastic Base Asphalt Pavement structure and its construction technology |
| CN110438862B (en) * | 2019-08-22 | 2024-03-15 | 长安大学 | Assembled plastic base asphalt pavement structure and construction process thereof |
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| CN102545720B (en) | 2014-11-26 |
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