CN2613726Y - Composite parabolic light-collecting comprehensive utilization device - Google Patents

Composite parabolic light-collecting comprehensive utilization device Download PDF

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Publication number
CN2613726Y
CN2613726Y CNU032454554U CN03245455U CN2613726Y CN 2613726 Y CN2613726 Y CN 2613726Y CN U032454554 U CNU032454554 U CN U032454554U CN 03245455 U CN03245455 U CN 03245455U CN 2613726 Y CN2613726 Y CN 2613726Y
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CN
China
Prior art keywords
heat exchanger
solar cell
tube
water
sheet heat
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Expired - Fee Related
Application number
CNU032454554U
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Chinese (zh)
Inventor
吴玉庭
马重芳
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Beijing Polytechnic University
Beijing University of Technology
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Beijing University of Technology
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Publication date
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Priority to CNU032454554U priority Critical patent/CN2613726Y/en
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Publication of CN2613726Y publication Critical patent/CN2613726Y/en
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    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

A composite parabolic light-gathering application device of combined heat and power is composed of a sunlight receiving system, a generating system and a box cooling-utilization system, characterized by using composite parabolic for light-gathering and installing solar cell for generating, and a heat exchanger is installed under the solar cell at the same time to realize refrigerant and heat recovery of solar cell. The sunlight receiving system is composed of a plurality of units of composite parabolic light-gathering device 1 which is composed of two parabolic reflectors in the shape of dent, and the generating system is composed of a solar cell 2, an accumulator unit 9, a load 10 and a charge and discharge controller 11, wherein the solar cell 2 is connected with the charge and discharge controller 11 and the accumulator unit 9 in sequence to form a series circuit and is connected with the load 10 in parallel connection. The cooling-utilization system is composed of a tube sheets heat exchanger 4, a reservoir 12, a circulation water pipe, a hot water outlet 13 and an admission port 14 to form cold-and-hot water circulation by using natural convection. The device has a simple structure and no need for follow-up, capable of providing hot water and power and completely making efficient overall utilization of solar energy.

Description

Composite parabolic collection thermoelectric comprehensive utilization device
Technical field:
The utility model is the thermoelectric comprehensive utilization device of a kind of optically focused solar photovoltaic, belongs to field of solar energy utilization.
Background technology:
At present, photovoltaic generation has successfully occupied irreplaceable position in space flight, communication and little power consumption electronic product field, but as the part proportion of whole society energy resource structure less than 1% still, the main cause that causes this situation is that the cost of solar cell is higher.So, make photovoltaic generation really become the part of energy system, must reduce cost significantly.Adopt the optically focused technology, can increase substantially the generated output of solar cell unit are, thereby can obviously reduce cost of electricity-generating, can adopt cooling technology simultaneously, realize the cooling of solar cell on the one hand, solar cell is worked under higher efficient; On the other hand that these are unnecessary heat is used, and further improves the utilization ratio of solar energy, reduce cost, so the condensation photovoltaic heat and power system has good application prospects.Existing concentrating generation device mostly is a refraction type, though light concentrating times can be up to hundred times, and concentrator processing difficulties, and cost height.Also have some reflection concentration type devices, but all need tracking means, complex structure, cost height usually.
Summary of the invention:
The purpose of this utility model is that design is a kind of simple in structure, need not to follow the tracks of and make full use of the thermoelectric comprehensive utilization device of condensation photovoltaic of solar energy.
Design of the present utility model is referring to Fig. 1 and Fig. 2, the cooling that this composite parabolic collection thermoelectric comprehensive utilization device is accepted system, electricity generation system and water tank type by sunshine utilizes system to form, it is characterized in that sunshine is accepted system and is made of the compound parabolic concentrator 1 that is installed on the tube-sheet heat exchanger 4; Electricity generation system is made up of solar cell 2, batteries 9, load 10 and charging-discharging controller 11, solar cell 2 is installed between the top of compound parabolic concentrator 1 bottom and tube-sheet heat exchanger 4, solar cell 2 connects charging-discharging controller 11 successively, batteries 9 forms a series connection loop, and load 10 is in parallel with solar cell 2; The cooling of water tank type utilizes system to be made up of tube-sheet heat exchanger 4, water storage tank 12, circulating water pipe and hot water outlet 13 and admission port 14, forms a known water-flow circuit.
Wherein compound parabolic concentrator 1 is made up of two flute profile parabolic mirrors, and plural compound parabolic concentrator 1 has been installed on tube-sheet heat exchanger 4 at least.This concentrator 1 optically focused and not imaging, thereby do not need to follow the tracks of the sun; And this concentrator not only can receive direct radiation, and can accept scattering radiation.In addition, adopt composite parabolic optically focused, solar cell can be installed in the bottom of concentrator, install simply like this, overcome the shortcoming that other reflecting and condensing devices need be used stent support solar cell and corresponding heat exchanger.
This composite parabolic collection thermoelectric comprehensive utilization device is provided with heat exchanger flat board 5 on the top of tube-sheet heat exchanger 4, is provided with heat conductive insulating layer 3 between heat exchanger dull and stereotyped 5 and solar cell 2; Periphery at tube-sheet heat exchanger 4 also is provided with thermal insulation layer 7.And be welded with recirculated water in the bottom of heat exchanger flat board and be in charge of 6.Each recirculated water that cold water is told through the circulating water main 13 that links to each other with water storage tank 12 in the water storage tank 12 is in charge of 16 and is passed tube-sheet heat exchanger 4, returns in the water storage tank 12, to form the enclosed heat recovery circuit with tube-sheet heat exchanger 4 again.
The utility model had both adopted composite parabolic optically focused, improved the generated output of unit are solar cell, in the solar cell bottom heat exchanger has been installed again, realized cooling to solar cell, also unnecessary heat is recycled simultaneously, improved the comprehensive utilization ratio of solar energy, reduced solar energy and utilized cost.This device can produce electric energy and hot water simultaneously, is suitable for vast rural households and uses.
Description of drawings:
Fig. 1 is the structural representation of the utility model design;
Fig. 2 is the structure chart of composite parabolic among Fig. 1, solar cell and tube sheet cooling heat exchanger;
Fig. 3 is the schematic diagram that circulating water pipe is installed;
Label is described as follows in the accompanying drawing:
The 1-compound parabolic concentrator; The 2-solar cell; 3-heat conductive insulating layer;
The 4-tube-sheet heat exchanger; 5-heat exchanger flat board; 6-recirculated water is in charge of;
The 7-thermal insulation layer; The 8-lead; The 9-batteries;
The 10-load; The 11-charging-discharging controller; The 12-water storage tank;
The 13-hot water outlet; The 14-admission port; The 15-circulating water main;
The specific embodiment:
Select following accessory earlier for use:
Compound parabolic concentrator adopts stainless steel aluminium mirror.A/F is 50cm, bottom width 10cm, and the every parabolic dark 90cm of flute profile, long 200cm, the optically focused ratio is 5.Solar cell is selected TDB100 * 100 type solar cells for use, solar cell operating temperature<80 ℃.Batteries selects for use the SLC solar electrical energy generation storage battery dedicated, and has comprised charging-discharging controller therein.Load is common variable resistor.The water storage tank maximum output of design is 300W, at 75 ℃ of heat production in time water>100kg.
Adopt known technology to assemble and debug again in conjunction with Fig. 1~3.During assembling, water storage tank must be higher than tube-sheet heat exchanger; The compound parabolic concentrator of two flute profile parabolic mirror compositions can be as required with the adjustment of making a small amount of gradient season.
Utilize free convection to form the circulation of hot and cold water in this device, the course of work is: daytime, sunshine incided solar battery surface generation electric energy behind composite parabolic optically focused, and the electric energy part of generation is used for load, and unnecessary electric energy is stored by batteries; Then power by batteries evening.A solar energy part that incides solar battery surface changes solar energy into, and another part changes heat energy into.This part heat energy is passed to cold water in the heat exchanger by tube-sheet heat exchanger, wherein water is heated up and density reduces.Because the effect of buoyancy lift, hot water rises along pipeline and makes the water in the upper circular tube become hot water, again since in the heat exchanger with hot water storage tank in the temperature difference of water produce difference in specific gravity, the thermal siphon pressure head that forms system makes hot water enter water tank upper by upper circular tube as power.Simultaneously, the cold water at the bottom of the water tank forms circulation by following circulation pipe inflow heat exchanger.

Claims (4)

1, composite parabolic collection thermoelectric comprehensive utilization device, the cooling that it accepts system, electricity generation system and water tank type by sunshine utilizes system to form, of the present utility model being characterised in that, sunshine are accepted system and are made of the compound parabolic concentrator (1) that is installed on the tube-sheet heat exchanger (4); Electricity generation system is made up of solar cell (2), batteries (9), load (10) and charging-discharging controller (11), solar cell (2) is installed between the top of compound parabolic concentrator (1) bottom and tube-sheet heat exchanger (4), solar cell (2) connects charging-discharging controller (11) successively, batteries (9) forms a series connection loop, and load (10) is in parallel with solar cell (2); The cooling of water tank type utilizes system to be made up of tube-sheet heat exchanger (4), water storage tank (12), circulating water pipe and hot water outlet (13) and admission port (14), forms a known water-flow circuit.
2, composite parabolic collection thermoelectric comprehensive utilization device according to claim 1, it is characterized in that, compound parabolic concentrator (1) is made up of two flute profile parabolic mirrors, and plural compound parabolic concentrator (1) has been installed on tube-sheet heat exchanger (4) at least.
3, composite parabolic collection thermoelectric comprehensive utilization device according to claim 1, it is characterized in that, be provided with heat exchanger flat board (5) on the top of tube-sheet heat exchanger (4), between heat exchanger flat board (5) and solar cell (2), be provided with heat conductive insulating layer (3); Periphery at tube-sheet heat exchanger (4) also is provided with thermal insulation layer (7).
4, according to claim 1 and described composite parabolic collection thermoelectric comprehensive utilization device, it is characterized in that, at the bottom of tube-sheet heat exchanger flat board (5) weld cycle moisture pipe (6), each recirculated water that the circulating water main that links to each other with water storage tank (12) is told is in charge of (6), pass tube-sheet heat exchanger (4) respectively returns in the water storage tank (12) again.
CNU032454554U 2003-04-17 2003-04-17 Composite parabolic light-collecting comprehensive utilization device Expired - Fee Related CN2613726Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU032454554U CN2613726Y (en) 2003-04-17 2003-04-17 Composite parabolic light-collecting comprehensive utilization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU032454554U CN2613726Y (en) 2003-04-17 2003-04-17 Composite parabolic light-collecting comprehensive utilization device

Publications (1)

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CN2613726Y true CN2613726Y (en) 2004-04-28

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1975282B (en) * 2006-12-07 2010-06-16 浙江大学 Solar energy light gathering thermo-electric union system
CN101943488A (en) * 2010-09-20 2011-01-12 张晋 Rotating parabolic concentration multiplication solar power generation hot water device
CN101975413A (en) * 2010-11-18 2011-02-16 中国水电顾问集团昆明勘测设计研究院 Recycling compound energy and high-rise building integrated central heating system
CN101975462A (en) * 2010-09-20 2011-02-16 张晋 Solar energy thermoelectric daylighting device with multiplied condensation
CN102313363A (en) * 2010-07-08 2012-01-11 王海静 Household solar energy comprehensive utilization system
CN102589151A (en) * 2012-03-06 2012-07-18 皇明太阳能股份有限公司 Solar energy cooker
CN103715977A (en) * 2013-12-18 2014-04-09 福建农林大学 Solar photovoltaic power generation and photo-heat integrated device and manufacturing process thereof
CN106098842A (en) * 2011-07-06 2016-11-09 密歇根大学董事会 Use the integrated solar catcher of the semiconductor solar cell that extension is peeled off and cold welding combines

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1975282B (en) * 2006-12-07 2010-06-16 浙江大学 Solar energy light gathering thermo-electric union system
CN102313363A (en) * 2010-07-08 2012-01-11 王海静 Household solar energy comprehensive utilization system
CN102313363B (en) * 2010-07-08 2014-06-04 王海静 Household solar energy comprehensive utilization system
CN101943488A (en) * 2010-09-20 2011-01-12 张晋 Rotating parabolic concentration multiplication solar power generation hot water device
CN101975462A (en) * 2010-09-20 2011-02-16 张晋 Solar energy thermoelectric daylighting device with multiplied condensation
CN101975413A (en) * 2010-11-18 2011-02-16 中国水电顾问集团昆明勘测设计研究院 Recycling compound energy and high-rise building integrated central heating system
CN106098842A (en) * 2011-07-06 2016-11-09 密歇根大学董事会 Use the integrated solar catcher of the semiconductor solar cell that extension is peeled off and cold welding combines
CN106098842B (en) * 2011-07-06 2018-12-18 密歇根大学董事会 Use the integrated solar collector for the semiconductor solar cell that extension removing and cold welding combine
CN102589151A (en) * 2012-03-06 2012-07-18 皇明太阳能股份有限公司 Solar energy cooker
CN103715977A (en) * 2013-12-18 2014-04-09 福建农林大学 Solar photovoltaic power generation and photo-heat integrated device and manufacturing process thereof
CN103715977B (en) * 2013-12-18 2016-01-06 福建农林大学 A kind of solar energy power generating and photothermal integrated device and manufacturing process thereof

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