CN103836502A - Solar phase change heat accumulation thermoelectric power generation street lamp system - Google Patents
Solar phase change heat accumulation thermoelectric power generation street lamp system Download PDFInfo
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- CN103836502A CN103836502A CN201410103526.2A CN201410103526A CN103836502A CN 103836502 A CN103836502 A CN 103836502A CN 201410103526 A CN201410103526 A CN 201410103526A CN 103836502 A CN103836502 A CN 103836502A
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- 238000010248 power generation Methods 0.000 title abstract description 7
- 238000009825 accumulation Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 239000012782 phase change material Substances 0.000 claims abstract description 24
- 238000005338 heat storage Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000005678 Seebeck effect Effects 0.000 description 1
- -1 accumulator Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
本发明公开了一种太阳能相变储热温差发电路灯系统，包括真空凸面透镜集热器（101）、相变材料（102）、储能器（103）、半导体温差发电片（104）、隔热层（105）、外壁散热器（106）、LED灯头（107）；所述真空凸面透镜集热器（101）、储能器（103）、隔热层（105）、外壁散热器（106）从上到下依次层叠放置；真空凸面透镜集热器（101）与储能器（103）形成密封腔，相变材料（102）贮存在密封腔内；所述隔热层（105）设置有若干个通孔，半导体温差发电片（104）置于通孔中，半导体温差发电片（104）一面与储能器（103）接触，另一面与外壁散热器（106）接触，半导体温差发电片（104）与LED灯头（107）电连接。本发明具有结构简单、成本低、寿命长、工作稳定等优点。
The invention discloses a solar phase change heat storage thermoelectric circuit lamp system, which comprises a vacuum convex lens heat collector (101), a phase change material (102), an energy storage device (103), a semiconductor thermoelectric power generation sheet (104), an insulation Heat layer (105), outer wall radiator (106), LED lamp holder (107); said vacuum convex lens heat collector (101), energy storage device (103), heat insulation layer (105), outer wall radiator (106 ) are stacked sequentially from top to bottom; the vacuum convex lens heat collector (101) and the accumulator (103) form a sealed cavity, and the phase change material (102) is stored in the sealed cavity; the heat insulation layer (105) is set There are several through holes, and the semiconductor thermoelectric power generation sheet (104) is placed in the through hole. One side of the semiconductor thermoelectric power generation sheet (104) is in contact with the energy storage device (103), and the other side is in contact with the outer wall radiator (106). The semiconductor thermoelectric power generation The sheet (104) is electrically connected to the LED lamp holder (107). The invention has the advantages of simple structure, low cost, long service life, stable operation and the like.
Description
Technical field
The technical field of the street lamp the invention belongs to, specifically refers to a kind of solar energy phase-change heat storage thermo-electric generation road lamp system.
Background technology
Street lamp is as the necessity of modern road, and the performances such as its energy consumption, life-span have important impact to the investment of road.Street lamp electricity consumption mainly relies on commercial power supply, along with the development of new forms of energy, has some areas to promote the application of new forms of energy product by measures such as demonstration projects, take wind light mutual complementing and solar energy as main.Wherein, wind-solar complementary street lamp system mainly combines with the related accessory such as the several critical pieces of LED road-light light-source and lamp stand, solar-cell panel support by wind-driven generator, solar panel, wind and light complementary road lamp controller, wind light mutual complementing are storage battery dedicated.But current solar street light mainly adopts optical road lamp and wind and light complementary road lamp to exist following subject matter: the cost of (1) photovoltaic panel and battery is high, causes initial cost high; (2) supporting service lifetime of accumulator is short, and most of replacement cycle is 2 years.These potential problems cause later maintenance expense high, do not reach the effect of energy-saving and emission-reduction, even cause the serious wasting of resources.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of the technology relevant various aspects of the present invention that are described and/or advocate, believe that this discussion content contributes to provide background information for reader, to be conducive to understanding better various aspects of the present invention, therefore, should be appreciated that it is to read these with this angle to discuss, rather than admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and a kind of solar energy phase-change heat storage thermo-electric generation road lamp system is provided, it can uninterruptable power generation, and simple in structure, cost is low, and later maintenance expense is low.
Object of the present invention is achieved through the following technical solutions:
A kind of solar energy phase-change heat storage thermo-electric generation road lamp system is provided, comprises vacuum convex lens heat collector, phase-change material, accumulator, semiconductor temperature differential generating sheet, thermal insulation layer, outer wall radiator, LED lamp holder; Described vacuum convex lens heat collector, accumulator, thermal insulation layer, outer wall radiator stack gradually placement from top to bottom; Described vacuum convex lens heat collector and accumulator form annular seal space, and described phase-change material is stored in annular seal space; Described thermal insulation layer is provided with several through holes, and described semiconductor temperature differential generating sheet is placed in through hole, and described semiconductor temperature differential generating sheet one side contacts with accumulator, and another side contacts with outer wall radiator, and described semiconductor temperature differential generating sheet is electrically connected with LED lamp holder.
Wherein, the cavity of described vacuum convex lens heat collector inside is vacuum state, and inner surface is Fei Nier lens surface.
Wherein, the inner surface of described vacuum convex lens heat collector is provided with heat absorbing coating.
Wherein, the main body framework of described phase-change material is high-efficiency heat conduction material.
Wherein, described high-efficiency heat conduction material is foam copper or copper mesh.
Wherein, described phase-change material is paraffin, the crystallization water and fused salt or polyalcohol.
Wherein, described phase-change material is the paraffin that adds graphite.
Wherein, described thermal insulation layer is inorganic heat insulation material.
Wherein, described thermal insulation layer is foamed plastics or heat-reflecting material.
Wherein, the inner surface of described outer wall radiator is provided with the boss coordinating with semiconductor temperature differential generating sheet.
Owing to having adopted above-mentioned structure, the present invention has following beneficial effect:
(1) the vacuum lens heat collector in the present invention is collected solar energy by the lens of inner surface, and wherein vacuum cavity plays insulation effect; Adopt phase-change material as energy-accumulating medium, select semiconductor temperature differential generating sheet according to the demand of actual street lamp power, and according to the quality of the length selection phase-change material of lighting hours, make overall volume compact and simple in structure, greatly reduce first cost and later maintenance expense.
(2) solar street light of the present invention does not need the high battery of price, phase-change material provides stable thermal source for semiconductor temperature differential generating sheet, and the performance of semiconductor temperature differential generating sheet output dc voltage and the combination of LED lamp, do not need complicated control circuit system, improve the reliability of system.
(3) in solar street light of the present invention, semiconductor temperature differential generating sheet does not need directly to contact with external environment, and photovoltaic generation, is not subject to environmental pollution relatively, and the life-span is longer; Simplify system architecture with respect to wind-power electricity generation.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, is not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is that solar energy phase-change heat storage thermo-electric generation road lamp system is analysed and observe the exploded view under state.
Fig. 2 is the exploded view under solar energy phase-change heat storage thermo-electric generation road lamp system stereoscopic-state.
Fig. 3 is the partial sectional view of solar energy phase-change heat storage thermo-electric generation road lamp system.
Fig. 4 is the stereogram of solar energy phase-change heat storage thermo-electric generation road lamp system.
The specific embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
Core of the present invention is to provide a kind of solar energy phase-change heat storage thermo-electric generation road lamp system, and it can uninterruptable power generation, and simple in structure, cost is low, and later maintenance expense is low.
As shown in Figures 1 to 4, solar energy phase-change heat storage thermo-electric generation road lamp system of the present invention, comprise solar energy phase-change heat storage thermo-electric generation road lamp system, comprise vacuum convex lens heat collector 101, phase-change material 102, accumulator 103, semiconductor temperature differential generating sheet 104, thermal insulation layer 105, outer wall radiator 106, LED lamp holder 107; Wherein, outer wall radiator 106 is in the situation that structure allows, and coupling system designs, if need to make power output large, and can increasing heat radiation area; If wish that lighting hours is long, the in the situation that of power rating, reduce area of dissipation.The requirement that LED lamp holder 107 uses according to reality is selected, and then selects according to the number to semiconductor temperature differential generating sheet 104 and the quality of phase-change material 102.
Described vacuum convex lens heat collector 101, accumulator 103, thermal insulation layer 105, outer wall radiator 106 stack gradually placement from top to bottom; Described vacuum convex lens heat collector 101 forms annular seal space with accumulator 103, and described phase-change material 102 is stored in annular seal space, and vacuum convex lens heat collector 101 is closely connected by fluid sealant with accumulator 103; Described thermal insulation layer 105 is provided with several through holes, and described semiconductor temperature differential generating sheet 104 is placed in through hole and is electrically connected with LED lamp holder 107.Described semiconductor temperature differential generating sheet 104 one sides contact with accumulator 103, and another side contacts with outer wall radiator 106, preferred, between accumulator 103, semiconductor temperature differential generating sheet 104 and outer wall radiator 106, is closely connected by heat-conducting glue.The inner surface of described outer wall radiator 106 is provided with the boss coordinating with semiconductor temperature differential generating sheet 104.
The cavity of described vacuum convex lens heat collector 101 inside is vacuum state, and inner surface is Fei Nier lens surface, and the inner surface of described vacuum convex lens heat collector 101 is provided with heat absorbing coating.In the time that sunshine projects vacuum convex lens heat collector, light-absorbing coating absorb the heat energy of sunshine and by heat conduct and the side of radiation by transfer of heat in phase-change material.
The main body framework of described phase-change material 102 is high-efficiency heat conduction material, and described high-efficiency heat conduction material is foam copper or copper mesh.
Described phase-change material 102 is paraffin, the crystallization water and fused salt or polyalcohol, preferred, and described phase-change material 102 is for adding the paraffin of graphite.In paraffin, add a certain amount of graphite, can improve thermal conductivity.
Described thermal insulation layer 105 is inorganic heat insulation material, and preferred, described thermal insulation layer 105 is foamed plastics.Thermal insulation layer 105 can effectively prevent thermal loss.
The present invention utilizes vacuum convex lens heat collector to converge sunshine and be converted into heat energy, temporarily stores by phase-change material.Because phase-change material stores, latent heat is huge and temperature is higher, night, environment temperature was lower, and formation temperature is poor, in the time that there is the temperature difference at two kinds of different semi-conducting material two ends, carrier displacement also forms stable electric field and produces electrical potential difference, and this phenomenon is called the Seebeck effect of semi-conducting material.Like this, the temperature difference of formation drives thermo-electric generation sheet directly heat energy to be converted into electric energy, for LED street lighting.
In description above, set forth a lot of details so that fully understand the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; although the present invention has exemplified above-mentioned preferred embodiment, should illustrate, although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (10)
1. a solar energy phase-change heat storage thermo-electric generation road lamp system, is characterized in that: comprise vacuum convex lens heat collector (101), phase-change material (102), accumulator (103), semiconductor temperature differential generating sheet (104), thermal insulation layer (105), outer wall radiator (106), LED lamp holder (107); Described vacuum convex lens heat collector (101), accumulator (103), thermal insulation layer (105), outer wall radiator (106) stack gradually placement from top to bottom; Described vacuum convex lens heat collector (101) forms annular seal space with accumulator (103), and described phase-change material (102) is stored in annular seal space; Described thermal insulation layer (105) is provided with several through holes, described semiconductor temperature differential generating sheet (104) is placed in through hole, described semiconductor temperature differential generating sheet (104) one side contacts with accumulator (103), another side contacts with outer wall radiator (106), and described semiconductor temperature differential generating sheet (104) is electrically connected with LED lamp holder (107).
2. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 1, is characterized in that: the inner cavity of described vacuum convex lens heat collector (101) is vacuum state, and inner surface is Fei Nier lens surface.
3. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 2, is characterized in that: the inner surface of described vacuum convex lens heat collector (101) is provided with heat absorbing coating.
4. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 1, is characterized in that: the main body framework of described phase-change material (102) is high-efficiency heat conduction material.
5. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 4, is characterized in that: described high-efficiency heat conduction material is foam copper or copper mesh.
6. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 1, is characterized in that: described phase-change material (102) is paraffin, the crystallization water and fused salt or polyalcohol.
7. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 6, is characterized in that: described phase-change material (102) is for adding the paraffin of graphite.
8. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 1, is characterized in that: described thermal insulation layer (105) is inorganic heat insulation material.
9. solar energy phase-change heat storage thermo-electric generation road lamp system according to claim 8, is characterized in that: described thermal insulation layer (105) is foamed plastics or heat-reflecting material.
10. according to the solar energy phase-change heat storage thermo-electric generation road lamp system described in any one in claim 1 to 9, it is characterized in that: the inner surface of described outer wall radiator (106) is provided with the boss coordinating with semiconductor temperature differential generating sheet (104).
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| CN201410103526.2A CN103836502B (en) | 2014-03-20 | 2014-03-20 | Solar energy phase-change heat storage thermo-electric generation road lamp system |
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| CN201410103526.2A CN103836502B (en) | 2014-03-20 | 2014-03-20 | Solar energy phase-change heat storage thermo-electric generation road lamp system |
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| CN103836502B CN103836502B (en) | 2016-07-06 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104022689A (en) * | 2014-06-20 | 2014-09-03 | 中国地质大学（武汉） | Solar phase-change energy storage thermoelectric power generation device and lighting system |
| CN105471366A (en) * | 2015-11-20 | 2016-04-06 | 南京理工大学 | Solar and thermoelectric coupling system containing phase change material |
| CN106838807A (en) * | 2017-03-09 | 2017-06-13 | 广东工业大学 | A kind of floating lamp |
| CN106953547A (en) * | 2017-03-10 | 2017-07-14 | 广东工业大学 | A solar phase change energy storage temperature difference power generation flashlight |
| WO2017166102A1 (en) * | 2016-03-30 | 2017-10-05 | 博立多媒体控股有限公司 | Thermal energy utilization system |
| CN109135684A (en) * | 2018-09-21 | 2019-01-04 | 贵州梅岭电源有限公司 | A kind of thermal cell composite phase-change material and preparation method thereof |
| CN109546891A (en) * | 2018-11-30 | 2019-03-29 | 江苏科技大学 | A kind of traffic lights backup power source based on thermoelectric cell power generation |
| CN110081374A (en) * | 2019-05-23 | 2019-08-02 | 赵耀华 | A kind of LED light group with photovoltaic lithium electricity storage |
| CN111736645A (en) * | 2020-06-24 | 2020-10-02 | 大唐东北电力试验研究院有限公司 | Negative pressure adsorption type temperature and humidity automatic regulating device |
| CN113669679A (en) * | 2021-08-31 | 2021-11-19 | 郑州轻工业大学 | Energy-saving control method of illumination street lamp with monitoring function |
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| WO2017166102A1 (en) * | 2016-03-30 | 2017-10-05 | 博立多媒体控股有限公司 | Thermal energy utilization system |
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| CN106953547A (en) * | 2017-03-10 | 2017-07-14 | 广东工业大学 | A solar phase change energy storage temperature difference power generation flashlight |
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| CN109135684A (en) * | 2018-09-21 | 2019-01-04 | 贵州梅岭电源有限公司 | A kind of thermal cell composite phase-change material and preparation method thereof |
| CN109546891A (en) * | 2018-11-30 | 2019-03-29 | 江苏科技大学 | A kind of traffic lights backup power source based on thermoelectric cell power generation |
| CN110081374A (en) * | 2019-05-23 | 2019-08-02 | 赵耀华 | A kind of LED light group with photovoltaic lithium electricity storage |
| CN111736645A (en) * | 2020-06-24 | 2020-10-02 | 大唐东北电力试验研究院有限公司 | Negative pressure adsorption type temperature and humidity automatic regulating device |
| CN113669679A (en) * | 2021-08-31 | 2021-11-19 | 郑州轻工业大学 | Energy-saving control method of illumination street lamp with monitoring function |
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Inventor after: Wang Changhong Inventor after: Lin Tao Inventor after: Zheng Huanpei Inventor after: Wu Haodong Inventor before: Wang Changhong Inventor before: Lin Tao Inventor before: Wu Haodong |
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