CN102506371B - Wind, light and thermoelectricity complementary light-emitting diode (LED) streetlamp device - Google Patents
Wind, light and thermoelectricity complementary light-emitting diode (LED) streetlamp device Download PDFInfo
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- CN102506371B CN102506371B CN201110257814.XA CN201110257814A CN102506371B CN 102506371 B CN102506371 B CN 102506371B CN 201110257814 A CN201110257814 A CN 201110257814A CN 102506371 B CN102506371 B CN 102506371B
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
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- 229910052802 copper Inorganic materials 0.000 claims description 2
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- 238000010248 power generation Methods 0.000 claims description 2
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- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a wind, light and thermoelectricity complementary light-emitting diode (LED) streetlamp device, which comprises a solar panel, a wind power generator, an LED light source, a thermoelectric converter, a radiator, a lampshade, a wind, light and thermoelectricity control system and a storage battery. The thermoelectric converter is arranged at the back of the LED light source. The hot end of the thermoelectric converter is connected with a metallic heat absorbing sheet which is in direct contact with the back of the LED light source. The cold end of the thermoelectric converter is connected with a metallic heat dissipating sheet of the radiator. The radiator additionally comprises radiating fins with different lengths. The lampshade is divided into an upper part and a lower part. The upper part is a radiating lampshade body and is connected with the radiating fins. The lower part is a transmission lampshade body to transmit the light source of an LED lamp. The output end of the thermoelectric converter is respectively connected with the storage battery and a constant-current source through a control circuit of the wind, light and thermoelectricity control system. The constant-current source provides constant current to the LED light source. The storage battery supplies power to the LED light source when the power is needed. The wind, light and thermoelectricity complementary LED streetlamp device has the advantages of simple structure and low cost, and is suitable for roads in remote mountainous areas and expressways.
Description
Technical field
The present invention relates to a kind of road lamp device, particularly, the present invention relates to the complementary LEDy street lamp device of a kind of honourable thermoelectricity for highway or remote mountain areas highway.
Background technology
In recent years, rapidly, conventional street lamp must be powered with buried cable for China's city road network and Expressway Development, if illuminating line extends, also needed to establish booster system, and therefore most of suburbs highway away from power supply point and highway all do not install street lamp.The appearance of wind and light complementary road lamp avoids to the drawback of the long-distance power supply of street lamp.Solar energy and wind energy have very strong complementarity on Annual distribution.When daytime, sunshine was the strongest, wind is generally little, and do not have sunshine in the evening, only has faint moonlight, but wind is general larger; In summer, general wind is little and sunlight is comparatively strong, and in winter, wind is large and sunlight is more weak.Cloudy day, general wind was large, and fine day sunlight is strong.Wind energy and solar energy complementarity in time makes wind light mutual complementing illuminator in using energy source, have good complementarity.
But, in the middle of practical application, but there is two problems, first, highway street lamp arranges generally distant, therefore all adopts LED, but LED is because seldom arranging heat abstractor, only have the power conversion Cheng Guang of 20% ~ 30% when illuminated, all the other energy of 70% ~ 80% then convert heat to.And under being located at natural environment, in order to prevent strong wind and thunderstorm weather to the destruction of street lamp, generally firm outer cover is all set in LED outside, this just more makes the heat of LED be difficult to distribute, these heats are not owing to distributing in time, therefore cause the life-span of LED significantly to reduce, damaged condition increases.
The second, because the photoelectric transformation efficiency of solar panel is lower, charge in batteries is not enough, and add evening wind-force and can not continue to ensure, therefore cause the street lighting time at night inadequate, the effect of street lamp reduces greatly.
How to solve the heat dissipation problem of LED, and improve the lighting hours of street lamp further, this becomes problem in the urgent need to address in industry.
Application number is the Chinese patent application of 200810011737.0, disclose a kind of energy recycle device of LED light device, comprise heat abstractor, LED light source and thermo-electric converting device, wherein by arranging interior substrate at LED light source back, then outer substrate is set in interior substrate surrounding, and substrate outer setting radiating fin outside, chip thermoelectric converter is set between inside and outside substrate, and periphery also arranges radiator fan, chip thermoelectric converter is semiconductor temperature differential generating element, and radiator is heat-pipe radiator.
Application number is the Chinese patent application of 200810117915.5, and disclose a kind of LED light device having heat radiation and energy storage concurrently, it comprises a LED; One metal base is in conjunction with this LED and accept the heat energy that this LED sheds; One heat conducting device has one first and one second, this first in conjunction with this metal base, and heat energy can pass to second by first; One thermoelectric power source generator in conjunction with second of this heat conducting device in order to accept heat energy and to carry out thermoelectric energy conversion; One quick charge/discharge energy storage device is electrically connected this thermoelectric power source generator, its electric energy produced in order to store heat electric energy generator and can discharge electric energy.
It is make use of Seebeck effect that the heat utilizing LED light source to send disclosed in above-mentioned produces electric energy by thermoelectric converter.1821, Sai Beike found, when two kinds of different metallic conductors are connected into closed circuit, if its two contacts are placed in two different environment of temperature respectively, then just had electric current in circuit and produced.This phenomenon is called Seebeck (Seebeck) effect, and the electromotive force of generation current is called thermoelectromotive force in this case.The thermoelectric force of semiconductor is the most obvious, can be used as thermoelectric conversion element.If P-type semiconductor is connected in hot junction with N-type semiconductor, then can obtain a voltage at cold junction, a lot of such PN series combination are got up and made its one end be in the condition of high temperature, when the other end is in low-temperature condition, because the thermal excitation effect of temperature end is comparatively strong, hole and electron concentration are also high than low-temperature end, under the driving of this carrier density gradient, hole and electronics spread to low-temperature end, thus form electrical potential difference at low temperature open end.
But said apparatus also exists following shortcoming: first, application number is the Chinese patent application complex structure of 200810011737.0, takes up room large, higher to the requirement in place and space, cannot be combined, be not suitable for being applied in road lamp device with wind-light complementary system.Secondly, application number be 200810117915.5 Chinese patent application be recycle again after utilizing heat conducting device to be spread out of by heat, do thermal loss so larger, can also apply in super-high-power LED device, but for LED street lamp lighting device, heat recovery rate is lower, does not also have enough spaces to reclaim.
Summary of the invention
The present invention is directed in prior art the shortcomings such as street lamp LED radiating effect is poor, lighting hours is short, cannot be combined with wind-light complementary system, heat recovery and utilization rate is low, there is provided a kind of honourable thermoelectricity complementary LEDy street lamp device, not only high efficiency and heat radiation can be realized, and part of waste heat can be made full use of be converted to electric energy, and can with solar energy and wind-power electricity generation acting in conjunction, significantly extend the lighting hours of street lamp at night.
To achieve these goals, the present invention by the following technical solutions.
The complementary LEDy street lamp device of a kind of honourable thermoelectricity, comprises solar panel, wind-driven generator, LED light source, thermoelectric converter, radiator, lampshade, honourable thermoelectric control system, battery; It is characterized in that, LED light source back arranges thermoelectric converter, the hot junction of described thermoelectric converter is connected with metal heat absorbing sheet, metal heat absorbing sheet directly contacts with LED light source back, it is cotton that metal heat absorbing sheet periphery arranges ring-shaped pottery fibrous thermal, described thermoelectric converter cold junction connects the metal fin of radiator, and described radiator also comprises the heat-dissipating fin different from the length that metal fin is connected; Described lampshade is divided into upper and lower two parts, and top is divided into heat radiation lampshade body, makes with metal material, and be connected with described heat-dissipating fin, bottom is divided into transmission lamp cover body, for transparent thermoplastic material makes, with the light that LED light source described in transmission sends, thermal louver cover body and transmission lamp cover body are riveted fixing; Solar panel is connected with constant-current source with battery by the control circuit of honourable thermoelectric control system respectively with the output of wind-driven generator, thermoelectric converter, described constant-current source provides constant electric current to LED light source, and described battery discharges to LED light source when needs.
Further improvement of the present invention is, described thermoelectric converter is semiconductor thermoelectric power generation component, makes thermopile chip, and export electric energy by thermopile chip by several N-type thermoelectric material and several P type thermoelectric material.
Further improvement of the present invention is, the electric energy of the thermoelectric converter conversion that described battery is collected continues to be supplied to LED light source, to increase the lighting hours of LED light source.
Further improvement of the present invention is, the material of described metal heat absorbing sheet and described metal fin is copper, and the material of described thermal louver cover body is aluminium, and the material of heat-dissipating fin is aluminium, and thermal louver cover body and heat-dissipating fin are made into integration.
Further improvement of the present invention is, described honourable thermoelectric control system adopts following control method:
A, the electric energy sent by solar panel and wind-driven generator exports to battery by control device;
B, when needs LED light source throws light on, the electric energy that solar panel and wind-driven generator send is supplied to the stable electric energy of LED street lamp by constant-current source;
C, when LED light source is started working, its heat shed being changed by thermoelectric converter part, remaining heat is shed by radiator, the electric energy input battery that thermoelectric converter conversion exports, when night is calm, is powered directly to LED light source by battery.
The invention has the beneficial effects as follows, provide the mini thermoelectric heat converting system being applicable to road lamp device, make full use of the heat that LED distributes, the heat dispersion of LED can not only be improved, and can service life be promoted, and achieve the recycling of energy; The present invention is attached to heat radiation lampshade by using heat-dissipating fin, and the radiating effect of the heat-dissipating fin that length is different own is better, and by being connected with heat radiation lampshade, further increases radiating effect, the thermoelectric converter two ends temperature difference is strengthened, improves conversion efficiency of thermoelectric; In addition, thermoelectric conversion system of the present invention and LED light source are all integrated in lampshade, under the bad weather such as strong wind and heavy rain, can play self-protection effect significantly.
Compared with prior art, the present invention has the following advantages: (1) volume is little, is applicable to remote mountain areas highway and highway; (2) structure is simple, and cost is lower, and can promote the service life of LED compared with prior art, increases the lighting hours at night; (3) by making full use of heat radiation, the object of economize energy is served.
Accompanying drawing explanation
Fig. 1 is the general illustration of the complementary LEDy street lamp device of honourable thermoelectricity of the present invention;
Fig. 2 is LED light source and the thermoelectric conversion system schematic diagram of the complementary LEDy street lamp device of honourable thermoelectricity of the present invention;
Fig. 3 is the fundamental diagram of the complementary LEDy street lamp device of honourable thermoelectricity of the present invention.
Wherein, 10-wind-driven generator 20-solar panel 30-LED light source 40-thermoelectric converter 50-radiator 501-metal fin 502-heat-dissipating fin 60-scene thermoelectric control system 70-constant-current source 80-battery 90-lampshade 901-thermal louver cover body 902-transmission lamp cover body 100-metal heat absorbing sheet 110-ceramic fibre heat insulation foam
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, further detailed description is made to the present invention.
As shown in Figure 1, the complementary LEDy street lamp device of honourable thermoelectricity of the present invention is fixed on horizontal foundation, comprises wind-driven generator 10, solar panel 20, LED light source 30, thermoelectric converter 40, radiator 50, honourable thermoelectric control system 60, constant-current source 70, battery 80, lampshade 90, metal heat absorbing sheet 100 and ceramic fibre heat insulation foam 110.
With reference to figure 1, wind-driven generator 10 of the present invention adopts lifting-force type vertical-axis wind power generator.Vertical axis aerogenerator is when change of the wind without the need to wind, and be a large advantage relative to horizontal axis wind-driven generator in this, it not only makes structural design simplify, and decreases wind wheel to gyro power during wind.In addition, under same power, the rated wind speed of vertical axis aerogenerator is little compared with existing level axis wind power generator, and its generated energy when low wind speed running is also larger.Vertical axis aerogenerator, from classification, is mainly divided into resistance-type and lift-type.Resistance type vertical shaft wind driven generator mainly utilizes air to flow through the resistance of blade generation as driving force, and lift-type is then utilize air to flow through the lift of blade generation as driving force.Because blade is in rotary course, along with the increase resistance of rotating speed sharply reduces, and lift can increase on the contrary, so the efficiency of the vertical axis aerogenerator of lift-type wants the height of specific resistance type a lot.What the present invention adopted is vertical axis aerogenerator (H type), and wherein wind wheel forms by perpendicular to horizontal 4 blades, and blade has selected aircraft aerofoil shape, and when wind wheel rotates, it can not change efficiency because of distortion.Wind wheel drives vertical axis rare-earth permanent-magnetic synchronous threephase generator to generate electricity.Comparatively speaking, small volume, efficiency are higher, and price is low for the monophase machine of three phase electric machine and same nominal power.The stator structure of rare-earth permanent-magnetic synchronous threephase generator is identical with general synchronous motor, but due to rotor employing permanent-magnet structure, does not have Exciting Windings for Transverse Differential Protection, do not consume exciting power, thus have higher efficiency.
Continue with reference to figure 1, solar panel 20 of the present invention adopts solar photovoltaic cell panel, and photoelectric transformation efficiency is higher.
Composition graphs 2, what LED residual heat using device of the present invention adopted is thermoelectric converter 40, the operation principle of thermoelectric converter is Seebeck effect, thermoelectric converter 40 of the present invention is arranged on the back of LED light source 30, hot junction connect with LED light source 30 back near metal heat absorbing sheet 100, metal heat absorbing sheet 100 periphery is provided with ceramic fibre heat insulation foam 110, to reach the object of better insulation, thermoelectric converter cold junction connection metal fin 501 and heat-dissipating fin 502, the length of heat-dissipating fin is different, radiating effect can be increased, by good heat abstractor, cold warm end temperature difference is strengthened, add the efficiency of thermoelectricity conversion, the core parts of thermoelectric converter are the thermopile chip that several P type thermoelectric material and several N-type thermoelectric material are made, thermopile chip is multiple connection in series-parallel combination, it can be sheet, also can be block, this thermoelectric converter commercially all has sale, under cost-saving prerequisite, the material of thermopile chip can select conventional commercially available semi-conducting material.
Same reference diagram 2, another inventive point of the present invention is to adopt the lampshade 90 of up-down structure, and wherein the first half of lampshade is thermal louver cover body 901, and it is connected with support member, employing be the metal material of great heat radiation effect, such as aluminium.The latter half of lampshade is transmission lamp cover body 902, employing be transparent thermoplastic material, the riveted joint of the top and the bottom of lampshade combines.Meanwhile, in order to strengthen radiating effect, thermal louver cover body 902 is connected with heat-dissipating fin, when promoting, by its one processing, can also strengthen radiating effect further in order to easy for installation on a large scale.
With reference to figure 1 and Fig. 3, the control mode of the honourable thermoelectric control system of LEDy street lamp device of the present invention is, the electricity sent by solar panel and wind-driven generator exports to battery by control device, when needs LED light source throws light on, the electric energy that solar panel and wind-driven generator send is supplied to the stable electric energy of LED street lamp by constant-current source.And when LED light source is started working, its heat shed being changed by thermoelectric converter part, remaining heat is shed by radiator, and the electric energy changed out exports to battery further by control system, when night is calm, powered directly to LED light source by battery.
The present invention compared with prior art; the heat dispersion of LED light source is improved by simple structure; improve the service life of LED; lampshade structure simultaneously by closing can play necessary protective effect to LED street lamp under the severe weather conditions such as thunderstorm gale; but also make use of further LED heat radiation carry out converting electric energy to, extend the lighting hours of street lamp.
Although above made detailed explanation with general explanation and detailed description of the invention to the present invention, on basis of the present invention, some amendments can be made or improved.Therefore, amendment done without departing from theon the basis of the spirit of the present invention or improvement, all belong to the scope of protection of present invention.
Claims (1)
1. a control method for honourable thermoelectric control system, it comprises the steps:
The complementary LEDy street lamp device of described honourable thermoelectricity, comprises solar panel, wind-driven generator, LED light source, thermoelectric converter, radiator, lampshade, honourable thermoelectric control system, battery; It is characterized in that, LED light source back arranges thermoelectric converter, the hot junction of described thermoelectric converter is connected with metal heat absorbing sheet, metal heat absorbing sheet directly contacts with LED light source back, it is cotton that metal heat absorbing sheet periphery arranges ring-shaped pottery fibrous thermal, described thermoelectric converter cold junction connects the metal fin of radiator, and described radiator also comprises the heat-dissipating fin different from the length that metal fin is connected; The material of described metal heat absorbing sheet and described metal fin is copper, described lampshade is divided into upper and lower two parts, top is divided into heat radiation lampshade body, be formed from aluminium, described heat sink fin material is also aluminium, and described thermal louver cover body and described heat-dissipating fin are made into integration, bottom is divided into transmission lamp cover body, for transparent thermoplastic material makes, the light sent with LED light source described in transmission, thermal louver cover body and transmission lamp cover body are riveted fixing; Solar panel is connected with constant-current source with battery by the control circuit of honourable thermoelectric control system respectively with the output of wind-driven generator, thermoelectric converter, described constant-current source provides constant electric current to LED light source, and described battery discharges when needs to LED light source; Described thermoelectric converter is semiconductor thermoelectric power generation component, makes thermopile chip, and export electric energy by thermopile chip by several N-type thermoelectric material and several P type thermoelectric material; The electric energy of the thermoelectric converter conversion that described battery is collected continues to be supplied to LED light source, to increase the lighting hours of LED light source; Described honourable thermoelectric control system adopts following control method:
A, the electric energy sent by solar panel and wind-driven generator exports to battery by control device;
B, when needs LED light source throws light on, the electric energy that solar panel and wind-driven generator send is supplied to the stable electric energy of LED street lamp by constant-current source;
C, when LED light source is started working, its heat shed being changed by thermoelectric converter part, remaining heat is shed by radiator, the electric energy input battery that thermoelectric converter conversion exports, when night is calm, is powered directly to LED light source by battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110257814.XA CN102506371B (en) | 2011-09-02 | 2011-09-02 | Wind, light and thermoelectricity complementary light-emitting diode (LED) streetlamp device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110257814.XA CN102506371B (en) | 2011-09-02 | 2011-09-02 | Wind, light and thermoelectricity complementary light-emitting diode (LED) streetlamp device |
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| CN102506371A CN102506371A (en) | 2012-06-20 |
| CN102506371B true CN102506371B (en) | 2015-06-17 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822163A (en) * | 2012-11-16 | 2014-05-28 | 海洋王（东莞）照明科技有限公司 | Emergency lamp |
| DE102014218881A1 (en) * | 2014-09-19 | 2016-03-24 | Siemens Aktiengesellschaft | light signal |
| CN105588067A (en) * | 2016-02-22 | 2016-05-18 | 苏州沃尚光电科技有限公司 | Street lamp power generation device |
| CN106090808A (en) * | 2016-06-03 | 2016-11-09 | 西安理工大学 | A kind of high efficiency thermoelectric conversion LED lamp |
| CN107270225A (en) * | 2017-07-05 | 2017-10-20 | 浙江中博光电科技有限公司 | New type solar energy LED street lamp radiator structure |
| CN108266692A (en) * | 2018-03-15 | 2018-07-10 | 四川佳旭能源科技有限公司 | Electric installation is supplied based on the LED street lamp that multiple-energy-source utilizes |
| CN108413327A (en) * | 2018-03-28 | 2018-08-17 | 江苏泓睿德智能科技有限公司 | A kind of energy-saving classroom LED light |
| CN113280293A (en) * | 2021-04-14 | 2021-08-20 | 南京航空航天大学 | Novel lighting device driven by waste heat and intelligently purified |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946783Y (en) * | 2006-08-18 | 2007-09-12 | 支忠 | Wind-energy and solar energy complemented large power LED lighting lamp |
| CN101725886A (en) * | 2008-10-24 | 2010-06-09 | 陈绍勇 | Outdoor infrared automatic control LED lamp device for wind power/thermotube-thermocouple power generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101644398B (en) * | 2008-08-05 | 2011-06-29 | 王钦戊 | LED illumination device having functions of quick energy storage and heat dissipation |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946783Y (en) * | 2006-08-18 | 2007-09-12 | 支忠 | Wind-energy and solar energy complemented large power LED lighting lamp |
| CN101725886A (en) * | 2008-10-24 | 2010-06-09 | 陈绍勇 | Outdoor infrared automatic control LED lamp device for wind power/thermotube-thermocouple power generation |
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