CN109546891A - A kind of traffic lights backup power source based on thermoelectric cell power generation - Google Patents

A kind of traffic lights backup power source based on thermoelectric cell power generation Download PDF

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Publication number
CN109546891A
CN109546891A CN201811452344.0A CN201811452344A CN109546891A CN 109546891 A CN109546891 A CN 109546891A CN 201811452344 A CN201811452344 A CN 201811452344A CN 109546891 A CN109546891 A CN 109546891A
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CN
China
Prior art keywords
thermoelectric cell
oil jacket
temperature oil
traffic lights
low temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811452344.0A
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Chinese (zh)
Inventor
黄红艳
韩振
张梦彤
孔为
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Application filed by Jiangsu University of Science and Technology filed Critical Jiangsu University of Science and Technology
Priority to CN201811452344.0A priority Critical patent/CN109546891A/en
Publication of CN109546891A publication Critical patent/CN109546891A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

The present invention discloses a kind of traffic lights backup power source based on thermoelectric cell power generation, electricity generating principle based on thermoelectric cell, solar radiant energy is absorbed using solar heat-collection plate, it is changed into heat, the conduction oil being transmitted in the high temperature oil jacket of lower section, conduction oil transfer heat to the hot end contact surface of thermoelectric cell.The cold end contact surface of thermoelectric cell is connected with low temperature oil jacket, and the conduction oil in low temperature oil jacket absorbs the heat that part is transmitted from thermoelectric cell, is radiated by fin.The electricity that thermoelectric cell generates will be stored in battery, the backup power source when main circuit as traffic lights damages.It is the configuration of the present invention is simple, low in cost, there is preferable market application prospect.

Description

A kind of traffic lights backup power source based on thermoelectric cell power generation
Technical field
The present invention relates to a kind of traffic lights standby power supply device based on thermoelectric cell power generation more particularly to a kind of friendships Ventilating signal lamp backup power source.
Background technique
Traffic lights are indispensable a part in Modern Traffic operation, and most of traffic lights are not matched Standby backup power source, once there is the case where power supply accidental interruption in traffic lights, existing solution be usually in the road between Interim solar energy signal lamp is artificially placed, such processing method is often not prompt enough, will cause traffic congestion, and there is very Big security risk.If the traffic lights backup power source of a energy independent power generation, the energy when main circuit is damaged can be designed Electric power is provided for traffic lights in time, can solve the problems, such as this.
Thermoelectric cell is a kind of device that can directly convert heat energy into electric energy, can utilize well solar radiant energy, The thermal energy of some more difficult recyclings of industrial exhaust heat, automobile waste heat etc..It is environmentally protective without excessive device, it is only necessary to mention For certain temperature difference, power generation just can be carried out.In addition, thermoelectric cell had not both needed very big place, meanwhile, power generation process peace and quiet, Without various chemical reactions.Unlike thermal power generation one kind, it is desirable to provide combustion chamber, turbine etc. field are built in sufficiently large place Perhaps, biggish Space, Place is wanted in ground and equipment, wind-power electricity generation, hydroelectric generation.
Currently, the backup power source of traffic lights, mainly based on battery, existing technology is constantly to improve electric power storage The cruising ability in pond.But using battery as backup power source, the electric power storage of battery will be inevitable a waste of manpower, object Power, the process of electric power.Application No. is CN201420217271.8, the invention of entitled " a kind of traffic lights backup power source " is special Benefit discloses a kind of backup power source equipment of traffic lights, which is assembled using lithium battery, has cruising ability By force, high, easy to operate, the maintainable strong advantage of security performance;The backup power source is also equipped with electric quantity display function, can have straight The display electric power residue situation connect, there is very strong practicability.However, although the device cruising ability enhances, if for a long time It does not use, still can have the phenomenon that electric leakage, be still required timely manually to charge, subsequent use be added very much Trouble, while also wasting many quality powers.If a small-sized generating equipment suitable for traffic lights can be added, That just eliminates later period unnecessary manpower waste, while also saving many electric power.
Summary of the invention
Goal of the invention: it needs to waste people caused by electric power storage present invention aim to address traffic lights backup power source The problem of power, material resources, financial resources, provides a kind of new self-power generation type standby power supply apparatus suitable for traffic lights.
Technical solution: a kind of traffic lights backup power source based on thermoelectric cell power generation of the invention, including traffic letter The lamp stand and battery of signal lamp are cased with the power generator being connected with battery (being installed in lamp stand), the power generation dress on lamp stand It sets including thermoelectric cell, the cold end contact surface of the thermoelectric cell is equipped with low temperature oil jacket, and the hot end contact surface of thermoelectric cell is equipped with High temperature oil jacket;Another side surface of low temperature oil jacket is equipped with several groups radiating fin, and another side surface of high temperature oil jacket is connected with Solar heat-collection plate, and conduction oil is sealed with by sealing-plug in low temperature oil jacket and high temperature oil jacket;Solar heat-collection plate absorbs Solar radiant energy transfers heat to the conduction oil in high temperature oil jacket, is then passed to the hot end of thermoelectric cell;Thermoelectric cell benefit It is generated electricity with the temperature difference at both ends, then electric power is stored in battery;When the main circuit of control circuit perception traffic lights It the use of battery is traffic lights power supply when impaired;The control circuit control battery is opened with traffic signals circuit for lamp It closes, if traffic lights are out of power, control circuit is just closed the switch, powers for traffic lights.
Wherein, radiating fin can increase its radiating efficiency, can make in low temperature oil jacket for example, by using the distribution of segmented fin Temperature Distribution it is more uniform, reduce its bulk temperature, increase the temperature difference at thermoelectric cell both ends.
Further, the shape and size of the lamp stand are adapted with the shape and size of low temperature oil jacket inner surface;Such as Lamp stand is in hexagon, then entire power generator is also in hexa-prism (including inner ring and periphery).
Further, it is arranged between each thermoelectric cell, thermoelectric cell and low temperature oil jacket and high temperature oil jacket are logical Cross heat conductive silica gel stickup.
Further, in order to make in low temperature oil jacket, more evenly, radiating fin is using in three kinds of structures for thermally conductive oil temperature heat dissipation Anticipate one kind, the first, radiating fin is evenly distributed on the lower section of low temperature oil jacket, and is axially distributed along entire power generator;Second Kind, radiating fin and solar heat-collection plate same distribution, and quantity is identical with area;The third, entire power generator lower surface It is disposed as radiating fin, and radiating fin and solar energy radiation piece interval are uniformly distributed on upper surface.
Further, it is contemplated that the irradiating angle of sunlight, expand endotherm area, the surface of solar heat-collection plate use with Any one of lower two kinds of structures: first is that solar energy heating plate surface is set as wave structure, second is in solar energy collection Hotplate surface is equipped with several protrusions, and the shape of these protrusions is pyramid, cylinder and hemispheroidal any combination;Each protrusion phase It is mutually staggered and avoids blocking light.
The problem of in view of sun light irradiation angle, be in staggered distribution rectangular pyramid on solar heat-collection plate, increases endotherm area. Another kind design be using Wave-shaped structural, by it is original it is flat change the bigger wave of surface area into, absorb it is more too Positive radiation energy.
The utility model has the advantages that compared with prior art, the invention has the following advantages that
1, because the present invention is generated electricity using thermoelectric cell, can independent power generation, while electric power being stored in battery, When control circuit perception traffic lights main circuit is impaired, electric power storage tank discharge is powered for traffic lights.After the present invention is not necessarily to It is continuous to continue artificially to charge, electric power has both been saved, subsequent unnecessary manpower output has been saved, avoids a system caused by charging Column problem;
2, because the present invention absorbs solar radiant energy as energy source using solar heat-collection plate, using is the sun Radiation energy is renewable energy, belongs to clean energy resource, meets the idea of modern sustainable development.
3, because the shape that the present invention is fitting actual traffic signal lamp lamp stand designs hexagonal prisms core structure, volume Small, strong applicability will not influence the use of traffic lights;
4, because radiating fin of the invention uses different designs, it is therefore an objective to make the thermally conductive oil temperature in low temperature oil jacket It more uniformly spreads, generating effect is more preferable.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the first radiating fin distribution map of the invention;
Fig. 3 is second of radiating fin distribution map of the invention;
Fig. 4 is the third radiating fin distribution map of the invention;
Fig. 5 is the first solar heat-collection plate heating surface design drawing of the invention;
Fig. 6 is second of solar heat-collection plate heating surface design drawing of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, and in conjunction with attached drawing and case study on implementation, The present invention is further described in detail.It should be appreciated that specific implementation case described herein is used only for explaining this Invention, is not intended to limit the present invention.
As shown in Fig. 2, a kind of traffic lights backup power source based on thermoelectric cell power generation of the invention, including traffic letter The lamp stand 1 and battery of signal lamp are cased with the power generator be connected to the battery on lamp stand 1, and the power generator is integrally in six ribs Tubular, power generator include thermoelectric cell 7, and the cold end contact surface of the thermoelectric cell 7 is equipped with low temperature oil jacket 8, thermoelectric cell 7 Hot end contact surface be equipped with high temperature oil jacket 5;Another side surface of low temperature oil jacket 8 is equipped with several groups radiating fin 9, high temperature oil jacket 5 another side surface is connected with solar heat-collection plate 4, and is sealed with by sealing-plug 6 in low temperature oil jacket 8 and high temperature oil jacket 5 Conduction oil;Solar heat-collection plate 4 absorbs solar radiant energy, transfers heat to the conduction oil in high temperature oil jacket 5, is then passed to The hot end of thermoelectric cell 7;Thermoelectric cell 7 is generated electricity using the temperature difference at both ends, and then electric power is stored in battery;Work as control When the main circuit that circuit perceives traffic lights is damaged, starting electric discharge using battery is that traffic lights are powered.
Wherein the solar radiant energy that the origin of heat of high temperature oil jacket 5 is absorbed in solar heat-collection plate 4, solar irradiation are mapped to too On positive energy collecting plate 4, solar heat-collection plate 4 absorbs heat, and transfers energy to the conduction oil in high temperature oil jacket 5, and conduction oil absorbs Energy temperature rises.It is connected to the high temperature contact face of several thermoelectric cells 7 below high temperature oil jacket 5, is provided for the power generation of thermoelectric cell 7 Endlessly heat source.
The cold end of the above-mentioned each thermoelectric cell 7 arranged is connected to low temperature oil jacket 8, is all provided in the bottom of low temperature oil jacket 8 There is radiating fin 9, is radiated by radiating fin 9 to the conduction oil in low temperature oil jacket 8, increase its heat dissipation area.
As shown in Figures 2 to 4, for the different design scheme that is distributed with of radiating fin 9 in the present invention, such as:
The first: radiating fin 9 is as shown in Fig. 2, radiating fin 9 is evenly distributed on the lower section of low temperature oil jacket 8, and along entire Power generator is axially distributed, and the Temperature Distribution up and down in low temperature oil jacket 6 can be more uneven, still, due to its solar energy heating 4 collector area of plate is larger (the half surface area of i.e. entire power generator periphery, i.e. upper surface), in high temperature oil jacket 5 shown in Fig. 2 Oil temperature be that three kinds of design schemes are highest.Second: the distribution of radiating fin 9 is as shown in figure 3, radiating fin in embodiment at this time With solar heat-collection plate same distribution (such as interval be uniformly distributed), and quantity is identical with area, this structure makes in low temperature oil jacket 8 Temperature Distribution it is more uniform, reduce its bulk temperature, improve generating efficiency, still, the endotherm area meeting of solar heat-collection plate 1 It reduces, the temperature in 7 hot end of thermoelectric cell will receive certain influence.The third: the periphery lower surface of whole device is heat dissipation Fin, and radiating fin and solar energy radiation piece interval are uniformly distributed on upper surface;In view of the solar heat-collection plate 4 of lower section is inhaled Thermal effect is bad, changes the solar heat-collection plate 7 of whole device opaco into radiating fin 9, to obtain the cold end temperature of more low temperature Degree, as shown in Figure 4.
The different radiation fin structure of three of the above, generates different heat dissipation effects.
As shown in Figure 5 and Figure 6, it is contemplated that sun irradiation angle problem, for expand solar heat-collection plate 4 endotherm area, Following two structure also can be used in the shape of two kinds of heat-absorbent surfaces in addition to plate, solar heat-collection plate 4: one is in solar energy Be staggered on 4 heat-absorbent surface of collecting plate and be uniformly distributed rectangular pyramid protrusion (height of projection 3-10mm prevents the shade phase of each protrusion Mutually block), another kind is in 4 heat-absorbent surface of solar heat-collection plate using Wave-shaped structural, flat changes surface area into for original Bigger wave.

Claims (5)

1. a kind of traffic lights backup power source based on thermoelectric cell power generation, lamp stand and battery including traffic lights, It is characterized by: being cased with the power generator be connected to the battery on lamp stand, the power generator includes thermoelectric cell, the temperature difference The cold end contact surface of battery is equipped with low temperature oil jacket, and the hot end contact surface of thermoelectric cell is equipped with high temperature oil jacket;Low temperature oil jacket it is another Side surface is equipped with several groups radiating fin, and another side surface of high temperature oil jacket is connected with solar heat-collection plate, and low temperature oil jacket Conduction oil is sealed with by sealing-plug in high temperature oil jacket;
The solar heat-collection plate absorbs solar radiant energy, transfers heat to the conduction oil in high temperature oil jacket, is then passed to The hot end of thermoelectric cell;Thermoelectric cell is generated electricity using the temperature difference at both ends, and then electric power is stored in battery;When control electricity It the use of battery is traffic lights power supply when the main circuit of road feel bosom friend's ventilating signal lamp is impaired;The control circuit control stores The switch of battery and traffic signals circuit for lamp, if traffic lights are out of power, control circuit is just closed the switch, believes for traffic Signal lamp power supply.
2. the traffic lights backup power source according to claim 1 based on thermoelectric cell power generation, it is characterised in that: described The shape and size of lamp stand are adapted with the shape and size of low temperature oil jacket inner surface.
3. the traffic lights backup power source according to claim 1 based on thermoelectric cell power generation, it is characterised in that: described It is arranged between each thermoelectric cell, is pasted and connected by heat conductive silica gel between thermoelectric cell and low temperature oil jacket and high temperature oil jacket It connects.
4. the traffic lights backup power source according to claim 1 based on thermoelectric cell power generation, it is characterised in that: described Radiating fin using any one in three kinds of structures, the first, radiating fin be evenly distributed on the lower section of low temperature oil jacket, and along whole A power generator is axially distributed;Second, radiating fin and solar heat-collection plate same distribution, and quantity is identical with area;The Three kinds, entire power generator lower surface be disposed as radiating fin, and radiating fin and solar energy radiation piece interval on upper surface It is uniformly distributed.
5. the traffic lights backup power source according to claim 1 based on thermoelectric cell power generation, it is characterised in that: the sun The surface of energy collecting plate uses any one of following two structure: first is that solar energy heating plate surface is set as wave knot Structure, second is to be equipped with several protrusions in solar energy heating plate surface, and the shape of these protrusions is pyramid, cylinder and hemisphere Any combination.
CN201811452344.0A 2018-11-30 2018-11-30 A kind of traffic lights backup power source based on thermoelectric cell power generation Pending CN109546891A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004312991A (en) * 2003-03-26 2004-11-04 Yamaha Corp Thermal power generation device
KR20080105469A (en) * 2007-05-31 2008-12-04 (주)중앙뷰텍 Traffic signal lamp using optical waveguide
CN201898464U (en) * 2010-11-11 2011-07-13 黄山汉和碳纤维科技有限公司 Solar thermoelectric generator
CN201946122U (en) * 2010-10-25 2011-08-24 李涛 Wind energy, solar energy and electric energy complemented traffic signal light
CN202275858U (en) * 2011-09-14 2012-06-13 天津蓝天太阳科技有限公司 Radiator of a solar battery
CN103836502A (en) * 2014-03-20 2014-06-04 广东工业大学 Solar phase change heat accumulation thermoelectric power generation street lamp system
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
CN206023699U (en) * 2016-08-31 2017-03-15 苏州市乐能光伏有限公司 Solar panel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004312991A (en) * 2003-03-26 2004-11-04 Yamaha Corp Thermal power generation device
KR20080105469A (en) * 2007-05-31 2008-12-04 (주)중앙뷰텍 Traffic signal lamp using optical waveguide
CN201946122U (en) * 2010-10-25 2011-08-24 李涛 Wind energy, solar energy and electric energy complemented traffic signal light
CN201898464U (en) * 2010-11-11 2011-07-13 黄山汉和碳纤维科技有限公司 Solar thermoelectric generator
CN202275858U (en) * 2011-09-14 2012-06-13 天津蓝天太阳科技有限公司 Radiator of a solar battery
CN103836502A (en) * 2014-03-20 2014-06-04 广东工业大学 Solar phase change heat accumulation thermoelectric power generation street lamp system
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
CN206023699U (en) * 2016-08-31 2017-03-15 苏州市乐能光伏有限公司 Solar panel

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Application publication date: 20190329

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