CN103925705A - Photovoltaic photo-thermal temperature difference power generation boiler with high solar energy utilization ratio - Google Patents

Photovoltaic photo-thermal temperature difference power generation boiler with high solar energy utilization ratio Download PDF

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CN103925705A
CN103925705A CN201410182396.6A CN201410182396A CN103925705A CN 103925705 A CN103925705 A CN 103925705A CN 201410182396 A CN201410182396 A CN 201410182396A CN 103925705 A CN103925705 A CN 103925705A
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China
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photovoltaic
bottom
heat collector
power generating
electric power
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CN201410182396.6A
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CN103925705B (en
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贾虎
袁银梅
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安徽工业大学
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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
    • 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
    • Y02E10/60Thermal-PV hybrids

Abstract

The invention discloses a photovoltaic photo-thermal temperature difference power generation boiler with a high solar energy utilization ratio and belongs to the technical field of solar energy utilization. The boiler comprises a boiler body, a top photovoltaic power generation assembly, a waterproof plate, a bottom photovoltaic power generation heat collector, a heat conducting plate, temperature difference power generation pieces, a heat conducting alloy block, an upper electromagnetic valve, a temperature control and water control device, a lower electromagnetic valve, an upper water level sensor, a lower water sensor (also serving as a temperature sensor), a water inlet pipe and a water outlet pipe. The top photovoltaic power generation assembly and the bottom photovoltaic power generation heat collector are located at the top end of the furnace body and the bottom end of the furnace body respectively, and the temperature difference power generation pieces are arranged between the bottom photovoltaic power generation heat collector and the boiler body and are all used for solar photovoltaic power generation. The central part of the bottom photovoltaic power generation heat collector is replaced by the heat conducting alloy block at the center of the bottom of the boiler body to heat water in the boiler. By means of the photovoltaic photo-thermal temperature difference power generation boiler, a solar photovoltaic power generation system can be organically combined with a solar water heating system, and solar cells are prevented from being irradiated by focusing spots from a solar cooker to suffer from fatigue and be damaged for a long time under high temperature.

Description

A kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler

Technical field

The present invention relates to technical field of solar utilization technique, more particularly, relate to a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler.

Background technology

Along with the scarcity day by day of fossil energy, the development of new forms of energy, regenerative resource obtains people's attention day by day.Solar energy is inexhaustible, and solar energy power generating becomes the technical field of new energies that various countries give priority to.The principle of regular solar photovoltaic cell capable of generating power is that sunshine sees through cover plate and EVA is irradiated on photovoltaic cell, photovoltaic cell absorbs after the solar energy see through, changes out electric energy less than 20%, and all the other convert heat to, by battery component, absorbed, be finally dissipated in air.If can not be used, cause larger waste on the one hand, heat can be made cell panel temperature raise by photovoltaic module absorption on the other hand, has shortened the life-span of battery component when reducing generating efficiency.

In prior art, it is existing that remaining solar energy in photovoltaic generation is carried out to the correlation technique of secondary utilization is open, as China Patent No.: 201120070039.2, authorize day: on November 30th, 2011, patent name: high concentration solar photovoltaic/photo, this patent comprises a casing array, casing array is comprised of a plurality of box concentration solar generatings unit, high power solar energy condenser lens is equipped with on the top of concentration solar generating unit, concentrating solar battery sheet is equipped with in the bottom of concentration solar generating unit, under concentrating solar battery sheet, metal conducting strip is housed, semiconductor heat temperature-difference power generation module is housed under metal conducting strip, semiconductor heat temperature-difference power generation module is connected with fin or refrigerating module, heat on concentrating solar battery sheet will be transmitted to fin or refrigerating module by semiconductor heat temperature-difference power generation module, hot junction and cold junction at semiconductor heat temperature-difference power generation module just has temperature difference like this, semiconductor heat temperature-difference power generation module will be converted into electric energy by heat, this scheme has improved the utilization rate of photovoltaic power generation apparatus to solar energy to a certain extent, but sunshine is focal point through always having a point after high power solar energy condenser lens, focal point extreme temperatures, high temperature long-term irradiation is on solar battery sheet, can damage solar battery sheet.

Follow the trend of national policy, civilian solar photovoltaic generation system will become common ordinary electrical home appliance.But at present,, general user need to utilize solar energy to generate electricity simultaneously and produce hot water, and two cover systems are installed: solar photovoltaic generation system and solar water heating system.The cost that two cover systems need is higher, differs and meet surely user's demand in the situation that erection space is limited.Name is called high concentration solar photovoltaic/photo and can not meets this demand, requires further improvement.

In existing public technology, also there is Patents to disclose the scheme that solar photovoltaic generation system and solar water heating system are combined, as number of patent application: 200810045303.X, the applying date: on January 29th, 2008, patent name: cogeneration solar boiler, this application case becomes cogeneration solar boiler by the solar panel of photovoltaic generation with the heat sink connected combination of solar thermal utilization product.This boiler utilizes the part that can be directly changed into electric energy in solar irradiation energy to convert electric energy on the one hand, on the other hand remainder is carried out to heat energy utilization.When this application case has improved the efficiency of light energy utilization to a certain extent, solar photovoltaic generation system and solar water heating system are combined, but this combination is simple machinery combination just, do not reduce the cost of two cover systems, and this cogeneration of heat and power boiler floor space is larger, can not meet the less demand of most of user installation area.

In order further to improve the utilization rate of solar energy, in limited area, solar photovoltaic generation system and solar water heating system are combined simultaneously, inventor herein attempts the solar photovoltaic assembly with thermo-electric generation sheet to be connected in boiler below, and boiler is placed in to solar cooker top, but in experiment, also met focal point temperature too high (can reach 600-1000 ℃) thereby the problem of damage solar photovoltaic assembly.Afterwards, through certain experimentation, inventor herein has abandoned the material that improves photovoltaic module, creatively the center of the solar photovoltaic assembly of boiler bottom is replaced to heat transfer alloy block, solved and thirsted for solving the difficult problem but not succeeding always, and in invention process, inventor's also find to conduct heat use of alloy block makes boiler efficiency when utilizing solar energy to manufacture hot water higher, has obtained unexpected effect.

Summary of the invention

1. the technical problem that invention will solve

The object of the invention is to overcome solar energy utilization ratio not high, and can not, by the deficiency of solar photovoltaic generation system and solar water heating system combination, provide a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler.Adopt technical scheme of the present invention; solar photovoltaic generation system and solar water heating system are combined; and in the situation that utilizing solar cooker to improve solar energy utilization ratio, protected solar battery sheet not to be subject to the irradiation of solar cooker focal point long term high temperature and fatigue damage.

2. technical scheme

For achieving the above object, technical scheme provided by the invention is:

A kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, comprise body of heater, also comprise top photovoltaic electrification component, splash guard, bottom photovoltaic electric power generating heat collector, heat transfer plate, thermo-electric generation sheet, heat transfer alloy block, upper magnetic valve, temperature control and water-control device, lower magnetic valve, upper level sensor, lower level sensor hold concurrently temperature sensor, water inlet pipe and outlet pipe, wherein: described top photovoltaic electrification component is positioned at body of heater top, described top photovoltaic electrification component comprises top photovoltaic electrification component glass cover-plate, top photovoltaic electrification component outer rim, top photovoltaic electrification component is filled EVA, top photovoltaic electrification component solar battery sheet and top photovoltaic electrification component backboard, the below of described top photovoltaic electrification component glass cover-plate is equipped with top photovoltaic electrification component and fills EVA, this top photovoltaic electrification component is filled in EVA and is provided with top photovoltaic electrification component solar battery sheet, above-mentioned top photovoltaic electrification component solar battery sheet is connected with photovoltaic thermoelectricity output circuit, described top photovoltaic electrification component backboard is positioned at the below that top photovoltaic electrification component is filled EVA, above-mentioned top photovoltaic electrification component glass cover-plate, top photovoltaic electrification component is filled EVA, top photovoltaic electrification component solar battery sheet, top photovoltaic electrification component backboard is fixed by top photovoltaic electrification component outer rim lamination, described splash guard barrier is between top photovoltaic electrification component backboard and body of heater, described body of heater bottom is fastenedly connected nail by the heat transfer alloy block heart place that is fastened in it by one, described body of heater bottom by four equally distributed nails that are fastenedly connected successively by thermo-electric generation sheet, heat transfer plate, bottom photovoltaic electric power generating heat collector is fixed on the outside of body of heater bottom layer by layer, above-mentioned thermo-electric generation sheet, heat transfer plate, between the photovoltaic electric power generating heat collector of bottom, be equipped with heat-conducting glue, and thermo-electric generation sheet, heat transfer plate, bottom photovoltaic electric power generating heat collector is ring-type, be wrapped on heat transfer alloy block lateral wall, above-mentioned thermo-electric generation sheet is connected with photovoltaic thermoelectricity output circuit, described bottom photovoltaic electric power generating heat collector comprises bottom photovoltaic electric power generating heat collector outer rim, frame in the photovoltaic electric power generating heat collector of bottom, bottom photovoltaic electric power generating heat collector solar battery sheet, bottom photovoltaic electric power generating heat collector is filled EVA, bottom photovoltaic electric power generating heat collector backboard and bottom photovoltaic electric power generating heat collector glass cover-plate, the top of described bottom photovoltaic electric power generating heat collector glass cover-plate is equipped with bottom photovoltaic electric power generating heat collector and fills EVA, in this bottom photovoltaic electric power generating heat collector filling EVA, be provided with bottom photovoltaic electric power generating heat collector solar battery sheet, above-mentioned bottom photovoltaic electric power generating heat collector solar battery sheet is connected with photovoltaic thermoelectricity output circuit, described bottom photovoltaic electric power generating heat collector backboard is positioned at the top that bottom photovoltaic electric power generating heat collector is filled EVA, above-mentioned bottom photovoltaic electric power generating heat collector backboard, bottom photovoltaic electric power generating heat collector is filled EVA, bottom photovoltaic electric power generating heat collector solar battery sheet, bottom photovoltaic electric power generating heat collector backboard is fixed by frame lamination in bottom photovoltaic electric power generating heat collector outer rim and bottom photovoltaic electric power generating heat collector, described water inlet pipe is connected to sidewall of the furnace body top by upper magnetic valve, described outlet pipe is drawn from sidewall of the furnace body below by lower magnetic valve, described upper level sensor and the lower level sensor temperature sensor of holding concurrently is all positioned at body of heater inside, and upper level sensor is positioned at the top of body of heater, the lower level sensor temperature sensor of holding concurrently is positioned at the bottom of body of heater, and above-mentioned upper magnetic valve, lower magnetic valve, upper level sensor, the lower level sensor temperature sensor of holding concurrently is connected with water-control device with temperature control respectively.

Further, the top photovoltaic electrification component solar battery sheet quantity in described top photovoltaic electrification component is 7, adopts series system to connect; Bottom photovoltaic electric power generating heat collector solar battery sheet quantity in described bottom photovoltaic electric power generating heat collector is 6, adopts series system to connect; In described thermo-electric generation sheet, generating sheet quantity is 20,10 one group series connection, two groups of outputs in parallel.

Further, the described nail that is fastenedly connected comprises skull portion and nail tip portion, and its skull portion is in the bottom of body of heater, and nail tip portion is followed closely in the photovoltaic electric power generating heat collector backboard of bottom.

Further, the lateral wall of described body of heater wraps up a foamed thermal insulating layer, and this foamed thermal insulating layer is fixed on body of heater periphery by aluminium foil crust.

3. beneficial effect

Adopt technical scheme provided by the invention, compared with prior art, there is following remarkable result:

(1) a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, during use, solar energy high usage photovoltaic and photothermal thermo-electric generation boiler is fixed on light concentration type solar cooker top, the top and bottom of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler is respectively arranged with top photovoltaic electrification component and bottom photovoltaic electric power generating heat collector, top photovoltaic electrification component directly absorbs solar energy, bottom photovoltaic electric power generating heat collector absorbs the solar energy from light concentration type solar cooker reflection, because the area of light concentration type solar cooker is larger, bottom photovoltaic electric power generating heat collector absorbs the better effects if of solar energy than top photovoltaic electrification component, solar energy high usage photovoltaic and photothermal thermo-electric generation boiler can absorb solar energy very fully in limited floor space, bottom photovoltaic electric power generating heat collector and solar energy high usage photovoltaic and photothermal thermo-electric generation boiler bottom are provided with thermo-electric generation sheet and heat transfer plate again, and between thermo-electric generation sheet, heat transfer plate, bottom photovoltaic electric power generating heat collector, be all equipped with heat-conducting glue, make the generating that is used to of the solar energy highly effective rate that absorbs.

(2) a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, top photovoltaic electrification component solar battery sheet quantity in the photovoltaic electrification component of top is 7, employing series system connects, bottom photovoltaic electric power generating heat collector solar battery sheet quantity in the photovoltaic electric power generating heat collector of bottom is 6, employing series system connects, make top photovoltaic electrification component solar battery sheet and bottom photovoltaic electric power generating heat collector solar battery sheet be more evenly distributed, more reasonable, improved the generating efficiency of photovoltaic electrification component; In thermo-electric generation sheet, generating sheet quantity is 20,10 one group series connection, and two groups of outputs in parallel, provide higher output voltage, and relatively large output current is also provided.

(3) a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, heat transfer alloy block is arranged at photovoltaic electric power generating heat collector ring center place, bottom, the focal point of light concentration type solar cooker just, under standard solar irradiation, focal point temperature can reach 600-1000 ℃, on the one hand the solar battery sheet center alloy block that conducted heat replaces, and has removed long term high temperature irradiation from, has protected solar battery sheet not to be damaged; On the other hand, the heat that heat transfer alloy block can be collected solar cooker reflection effectively transmits, and is used for the water in solar energy high usage photovoltaic and photothermal thermo-electric generation boiler to carry out high-efficiency heating, and the comprehensive utilization ratio of solar energy is greatly improved.

(4) a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, body of heater is inner manufactures hot water by heat transfer alloy block, top and bottom is respectively arranged with top photovoltaic electrification component and bottom photovoltaic electric power generating heat collector, under the prerequisite of efficient utilization rate that guarantees solar energy, organically by solar photovoltaic generation system and solar water heating system combination, floor space is less, and workability is strong.

(5) a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention, principle is simple, reasonable in design, has good value.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present invention;

Fig. 2 is the top photovoltaic electrification component side view in the present invention;

Fig. 3 is the top photovoltaic electrification component top view in the present invention;

Fig. 4 is the polycrystalline substance side view of a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler in the present invention;

Fig. 5 is the bottom photovoltaic electric power generating heat collector top view in the present invention;

Fig. 6 is the bottom thermo-electric generation sheet connection layout in the present invention.

Label declaration in schematic diagram:

1-1, body of heater; 1-2, top photovoltaic electrification component; 1-3, bottom photovoltaic electric power generating heat collector; 1-4, thermo-electric generation sheet; 1-5, heat transfer alloy block; 1-6, upper magnetic valve; 1-7, temperature control and water-control device; 1-8, lower magnetic valve; 1-9, upper level sensor; 1-10, the lower level sensor temperature sensor of holding concurrently; 1-11, water inlet pipe; 1-12, outlet pipe; 1-13, be fastenedly connected nail; 1-14, splash guard; 1-15, heat transfer plate; 1-16, aluminium foil crust; 1-17, foamed thermal insulating layer; 1-2-1, top photovoltaic electrification component glass cover-plate; 1-2-2, top photovoltaic electrification component outer rim; 1-2-3, top photovoltaic electrification component are filled EVA; 1-2-4, top photovoltaic electrification component solar battery sheet; 1-2-5, top photovoltaic electrification component backboard; 1-3-1, bottom photovoltaic electric power generating heat collector outer rim; Frame in 1-3-2, bottom photovoltaic electric power generating heat collector; 1-3-3, bottom photovoltaic electric power generating heat collector solar battery sheet; 1-3-4, bottom photovoltaic electric power generating heat collector are filled EVA; 1-3-5, bottom photovoltaic electric power generating heat collector backboard; 1-3-6, bottom photovoltaic electric power generating heat collector glass cover-plate.

The specific embodiment

For further understanding content of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in detail.

Embodiment 1

By reference to the accompanying drawings, a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present embodiment comprises body of heater 1-1, top photovoltaic electrification component 1-2, splash guard 1-14, bottom photovoltaic electric power generating heat collector 1-3, heat transfer plate 1-15, thermo-electric generation sheet 1-4, heat transfer alloy block 1-5, upper magnetic valve 1-6, temperature control and water-control device 1-7, lower magnetic valve 1-8, upper level sensor 1-9, lower level sensor hold concurrently temperature sensor 1-10, water inlet pipe 1-11 and outlet pipe 1-12 (as shown in Figure 1).Wherein: described top photovoltaic electrification component 1-2 is positioned at body of heater 1-1 top, directly absorb solar energy, described top photovoltaic electrification component 1-2 comprises top photovoltaic electrification component glass cover-plate 1-2-1, top photovoltaic electrification component outer rim 1-2-2, top photovoltaic electrification component filling EVA1-2-3, top photovoltaic electrification component solar battery sheet 1-2-4 and top photovoltaic electrification component backboard 1-2-5 (as shown in Figure 2), the below of described top photovoltaic electrification component glass cover-plate 1-2-1 is equipped with top photovoltaic electrification component and fills EVA1-2-3, this top photovoltaic electrification component is filled in EVA1-2-3 and is provided with top photovoltaic electrification component solar battery sheet 1-2-4, above-mentioned top solar battery sheet 1-2-4 is connected with photovoltaic thermoelectricity output circuit, the solar energy that top photovoltaic electrification component 1-2 is absorbed converts that electrical power storage is got up to or for load, described top photovoltaic electrification component backboard 1-2-5 is positioned at the below that top photovoltaic electrification component is filled EVA1-2-3, above-mentioned top photovoltaic electrification component glass cover-plate 1-2-1, top photovoltaic electrification component is filled EVA1-2-3, top photovoltaic electrification component solar battery sheet 1-2-4, top photovoltaic electrification component backboard 1-2-5 fixes by top photovoltaic electrification component outer rim 1-2-2 lamination, make top photovoltaic electrification component 1-2 form a stable integral body, maintain easily replacing, described splash guard 1-14 barrier is between top photovoltaic electrification component backboard 1-2-5 and body of heater 1-1, and splash guard 1-14 can prevent from entering in top light volt electrification component 1-2 after the water spill-over in solar energy high usage photovoltaic and photothermal thermo-electric generation boiler from going out.Described body of heater 1-1 bottom is fastenedly connected nail 1-13 by the heat transfer alloy block 1-5 heart place that is fastened in it by one, 1-13 are followed closely successively by thermo-electric generation sheet 1-4 by four equally distributed being fastenedly connected in described body of heater 1-1 bottom, heat transfer plate 1-15, bottom photovoltaic electric power generating heat collector 1-3 is fixed on the outside of body of heater 1-1 bottom layer by layer, the described nail 1-13 that is fastenedly connected comprises skull portion and nail tip portion, its skull portion is in the bottom of body of heater 1-1, with high-temperature resistant rubber, seal, nail tip portion nail is in the photovoltaic electric power generating heat collector backboard 1-3-5 of bottom, high-temperature resistant rubber makes to be fastenedly connected water and the temperature isolation in nail 1-13 and solar energy high usage photovoltaic and photothermal thermo-electric generation boiler, assurance is fastenedly connected the service life of nail 1-13, thereby prevent that bottom photovoltaic electric power generating heat collector 1-3 and heat transfer alloy block 1-5 from coming off from body of heater 1-1 bottom.Heat transfer alloy block 1-5 in the present embodiment not only will guarantee certain heat transfer efficiency, and to guarantee under the hot conditions of 600-1000 ℃, to there is good elevated temperature strength, the alloy compositions (mass percent) of heat transfer alloy block 1-5 in the present embodiment is: carbon 0.12%, silicon 0.36%, phosphorus 0.02%, sulphur 0.04%, chromium 23%, nickel 22%, molybdenum 0.12%, niobium 1.6%, aluminium 0.14%, manganese 0.56%, copper 4%, neodymium 0.08%, samarium 0.04%, all the other are iron, have guaranteed the heat transfer efficiency of heat transfer alloy block 1-5 and have had excellent heat-resistant deforming performance.

Bottom photovoltaic electric power generating heat collector 1-3 comprises bottom photovoltaic electric power generating heat collector outer rim 1-3-1, frame 1-3-2 in the photovoltaic electric power generating heat collector of bottom, bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3, bottom photovoltaic electric power generating heat collector is filled EVA1-3-4, bottom photovoltaic electric power generating heat collector backboard 1-3-5 and bottom photovoltaic electric power generating heat collector glass cover-plate 1-3-6 (as shown in Figure 4), the top of described bottom photovoltaic electric power generating heat collector glass cover-plate 1-3-6 is equipped with bottom photovoltaic electric power generating heat collector and fills EVA1-3-4, in this bottom photovoltaic electric power generating heat collector filling EVA1-3-4, be provided with bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3, above-mentioned bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3 is connected with photovoltaic thermoelectricity output circuit, the solar energy that bottom photovoltaic electric power generating heat collector 1-3 is absorbed converts that electrical power storage is got up to or for load, described bottom photovoltaic electric power generating heat collector backboard 1-3-5 is positioned at the top that bottom photovoltaic electric power generating heat collector is filled EVA1-3-4, above-mentioned bottom photovoltaic electric power generating heat collector backboard 1-3-5, bottom photovoltaic electric power generating heat collector is filled EVA1-3-4, bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3, bottom photovoltaic electric power generating heat collector backboard 1-3-5 fixes by frame 1-3-2 lamination in bottom photovoltaic electric power generating heat collector outer rim 1-3-1 and bottom photovoltaic electric power generating heat collector, make bottom photovoltaic electric power generating heat collector 1-3 form a stable integral body, maintain easily replacing, described thermo-electric generation sheet 1-4 is connected with photovoltaic thermoelectricity output circuit, and thermo-electric generation sheet 1-4 can utilize the temperature difference of bottom photovoltaic electric power generating heat collector backboard 1-3-5 and body of heater 1-1 bottom to generate electricity further, and electrical power storage is got up or for load, described thermo-electric generation sheet 1-4, heat transfer plate 1-15, between the photovoltaic electric power generating heat collector 1-3 of bottom, be equipped with heat-conducting glue, and thermo-electric generation sheet 1-4, heat transfer plate 1-15, bottom photovoltaic electric power generating heat collector 1-3 is ring-type, be wrapped on heat transfer alloy block 1-5 lateral wall, heat conduction glue-line in the present embodiment all adopts strong viscosity heat conductive silica gel STARS-922, good heat conduction effect and even, the setting of heat transfer plate 1-15 and heat-conducting glue, make the high temperature of bottom photovoltaic electric power generating heat collector backboard 1-3-5 and the low temperature of body of heater 1-1 bottom be passed to timely the two ends of thermo-electric generation sheet 1-4, the recuperation of heat of low loss has impelled the utilization of high efficiency secondary solar energy.In the present embodiment specific operation process, need and light concentration type solar cooker are used in conjunction with, a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of the present embodiment is fixed on the top of light concentration type solar cooker, the sunshine of light concentration type solar cooker reflection is the basic solar energy source of bottom photovoltaic electric power generating heat collector 1-3, and light concentration type solar cooker focus is at the bottom center portion of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler, under standard solar irradiation, temperature can reach 600-1000 ℃, the tolerable temperature that has surpassed bottom photovoltaic electric power generating heat collector 1-3 and thermo-electric generation sheet 1-4, the alloy block 1-5 that herein conducts heat is arranged on body of heater 1-1 bottom center place cleverly, in the present embodiment, heat transfer alloy block 1-5 adopts heatproof alloy, heatproof alloy is accepted this portion temperature, on the one hand photovoltaic electric power generating heat collector 1-3 center, the bottom alloy block 1-5 that conducted heat replaces, removed long term high temperature irradiation from, protected bottom photovoltaic electric power generating heat collector 1-3 not to be damaged, on the other hand, the heat that heat transfer alloy block 1-5 can collect solar cooker reflection effectively transmits, and is used for the water in body of heater 1-1 to carry out high-efficiency heating, and the comprehensive utilization ratio of solar energy is greatly improved.

Top photovoltaic electrification component solar battery sheet 1-2-4 quantity in described top photovoltaic electrification component 1-2 is 7, adopts series system to connect (as shown in Figure 3); Bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3 quantity in described bottom photovoltaic electric power generating heat collector 1-3 is 6, adopt series system to connect (as shown in Figure 5), make top photovoltaic electrification component solar battery sheet 1-2-4 and bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3 be more evenly distributed, more reasonable, improved the generating efficiency of photovoltaic electrification component; In described thermo-electric generation sheet 1-4, generating sheet quantity is 20,10 one group series connection, and two groups of outputs in parallel (as shown in Figure 6), provide higher output voltage, and relatively large output current is also provided.

Water inlet pipe 1-11 in the present embodiment is connected to body of heater 1-1 sidewall top by upper magnetic valve 1-6, upper magnetic valve 1-6 controls the circulation of water inlet pipe 1-11 with closed, described outlet pipe 1-12 draws from body of heater 1-1 sidewall below by lower magnetic valve 1-8, lower magnetic valve 1-8 controls the circulation of outlet pipe 1-12 with closed, described upper level sensor 1-9 and lower level sensor are held concurrently, and to be all positioned at body of heater 1-1 inner for temperature sensor 1-10, and upper level sensor 1-9 is positioned at the top of body of heater 1-1, the lower level sensor temperature sensor 1-10 that holds concurrently is positioned at the bottom of body of heater 1-1, above-mentioned upper magnetic valve 1-6, lower magnetic valve 1-8, upper level sensor 1-9, the lower level sensor temperature sensor 1-10 that holds concurrently is connected with water-control device 1-7 with temperature control respectively, the lateral wall of described body of heater 1-1 wraps up a foamed thermal insulating layer 1-17, and this foamed thermal insulating layer 1-17 is fixed on body of heater 1-1 periphery (again as shown in Figure 1) by aluminium foil crust 1-16, the water heating of heat transfer alloy block 1-5 to solar energy high usage photovoltaic and photothermal thermo-electric generation boiler internal, foamed thermal insulating layer 1-17 and aluminium foil crust 1-16 can synchronously be incubated the water of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler internal, instantly the level sensor water temperature that temperature sensor 1-10 detects in solar energy high usage photovoltaic and photothermal thermo-electric generation boiler of holding concurrently reaches after certain value, temperature control and water-control device 1-7 control lower magnetic valve 1-8 and open, hot water is flowed out by outlet pipe 1-12 and is injected in insulation sump 7, solar energy high usage photovoltaic and photothermal thermo-electric generation water level in the boiler constantly declines, until lower than the lower level sensor temperature sensor 1-10 place of holding concurrently, the lower level sensor temperature sensor 1-10 that holds concurrently continues to pass to temperature control and water-control device 1-7 by the signal detecting, temperature control and the lower magnetic valve 1-8 of water-control device 1-7 control close the upper magnetic valve 1-6 of control simultaneously and open, water inlet pipe 1-11 starts to put into cold water, when water level rises to the height at upper level sensor 1-9 place, temperature control and water-control device 1-7 start the upper magnetic valve 1-6 of control and close, end discharges water, solar energy high usage photovoltaic and photothermal thermo-electric generation boiler enters heated condition again.

In the present embodiment, top photovoltaic electrification component solar battery sheet 1-2-4, bottom photovoltaic electric power generating heat collector solar battery sheet 1-3-3 and thermo-electric generation sheet 1-4 are all connected with a set of photovoltaic thermoelectricity output circuit, by the solar energy absorbing or utilize that heat is poor converts that electrical power storage is got up to or for load, a set of photovoltaic thermoelectricity output circuit is controlled a plurality of photovoltaic power generation apparatus simultaneously, has improved greatly the utilization rate of photovoltaic thermoelectricity output circuit, top photovoltaic electrification component 1-2 is connected in to the top of body of heater 1-1, with the solar cell of thermo-electric generation sheet 1-4, be connected in the below of body of heater 1-1, and solar energy high usage photovoltaic and photothermal thermo-electric generation boiler is placed in to solar cooker top, the common use of solar cooker and a plurality of photovoltaic electrification components, greatly improved the comprehensive utilization ratio of solar energy, and heat transfer alloy block 1-5 is arranged at photovoltaic electric power generating heat collector 1-3 center, bottom, more high efficiency to the water heating in body of heater 1-1, and solved when guaranteeing solar energy high usage solar photovoltaic generation system and solar water heating system combination, the solar cooker focal point excess Temperature occurring can damage a difficult problem of bottom photovoltaic electric power generating heat collector 1-3.

Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.

Claims (4)

1. a solar energy high usage photovoltaic and photothermal thermo-electric generation boiler, comprise body of heater (1-1), it is characterized in that: also comprise top photovoltaic electrification component (1-2), splash guard (1-14), bottom photovoltaic electric power generating heat collector (1-3), heat transfer plate (1-15), thermo-electric generation sheet (1-4), heat transfer alloy block (1-5), upper magnetic valve (1-6), temperature control and water-control device (1-7), lower magnetic valve (1-8), upper level sensor (1-9), lower level sensor hold concurrently temperature sensor (1-10), water inlet pipe (1-11) and outlet pipe (1-12), wherein: described top photovoltaic electrification component (1-2) is positioned at body of heater (1-1) top, described top photovoltaic electrification component (1-2) comprises top photovoltaic electrification component glass cover-plate (1-2-1), top photovoltaic electrification component outer rim (1-2-2), top photovoltaic electrification component is filled EVA (1-2-3), top photovoltaic electrification component solar battery sheet (1-2-4) and top photovoltaic electrification component backboard (1-2-5), the below of described top photovoltaic electrification component glass cover-plate (1-2-1) is equipped with top photovoltaic electrification component and fills EVA (1-2-3), this top photovoltaic electrification component is filled in EVA (1-2-3) and is provided with top photovoltaic electrification component solar battery sheet (1-2-4), above-mentioned top photovoltaic electrification component solar battery sheet (1-2-4) is connected with photovoltaic thermoelectricity output circuit, described top photovoltaic electrification component backboard (1-2-5) is positioned at the below that top photovoltaic electrification component is filled EVA (1-2-3), above-mentioned top photovoltaic electrification component glass cover-plate (1-2-1), top photovoltaic electrification component is filled EVA (1-2-3), top photovoltaic electrification component solar battery sheet (1-2-4), top photovoltaic electrification component backboard (1-2-5) is fixed by top photovoltaic electrification component outer rim (1-2-2) lamination, described splash guard (1-14) barrier is between top photovoltaic electrification component backboard (1-2-5) and body of heater (1-1), described body of heater (1-1) bottom is fastenedly connected nail (1-13) by heat transfer alloy block (1-5) heart place that is fastened in it by one, described body of heater (1-1) bottom by four equally distributed nails (1-13) that are fastenedly connected successively by thermo-electric generation sheet (1-4), heat transfer plate (1-15), bottom photovoltaic electric power generating heat collector (1-3) is fixed on the outside of body of heater (1-1) bottom layer by layer, above-mentioned thermo-electric generation sheet (1-4), heat transfer plate (1-15), between bottom photovoltaic electric power generating heat collector (1-3), be equipped with heat-conducting glue, and thermo-electric generation sheet (1-4), heat transfer plate (1-15), bottom photovoltaic electric power generating heat collector (1-3) is ring-type, be wrapped on heat transfer alloy block (1-5) lateral wall, above-mentioned thermo-electric generation sheet (1-4) is connected with photovoltaic thermoelectricity output circuit, described bottom photovoltaic electric power generating heat collector (1-3) comprises bottom photovoltaic electric power generating heat collector outer rim (1-3-1), frame (1-3-2) in the photovoltaic electric power generating heat collector of bottom, bottom photovoltaic electric power generating heat collector solar battery sheet (1-3-3), bottom photovoltaic electric power generating heat collector is filled EVA (1-3-4), bottom photovoltaic electric power generating heat collector backboard (1-3-5) and bottom photovoltaic electric power generating heat collector glass cover-plate (1-3-6), the top of described bottom photovoltaic electric power generating heat collector glass cover-plate (1-3-6) is equipped with bottom photovoltaic electric power generating heat collector and fills EVA (1-3-4), in this bottom photovoltaic electric power generating heat collector filling EVA (1-3-4), be provided with bottom photovoltaic electric power generating heat collector solar battery sheet (1-3-3), above-mentioned bottom photovoltaic electric power generating heat collector solar battery sheet (1-3-3) is connected with photovoltaic thermoelectricity output circuit, described bottom photovoltaic electric power generating heat collector backboard (1-3-5) is positioned at the top that bottom photovoltaic electric power generating heat collector is filled EVA (1-3-4), above-mentioned bottom photovoltaic electric power generating heat collector backboard (1-3-5), bottom photovoltaic electric power generating heat collector is filled EVA (1-3-4), bottom photovoltaic electric power generating heat collector solar battery sheet (1-3-3), bottom photovoltaic electric power generating heat collector backboard (1-3-5) is fixed by frame (1-3-2) lamination in bottom photovoltaic electric power generating heat collector outer rim (1-3-1) and bottom photovoltaic electric power generating heat collector, described water inlet pipe (1-11) is connected to body of heater (1-1) sidewall top by upper magnetic valve (1-6), described outlet pipe (1-12) is drawn from body of heater (1-1) sidewall below by lower magnetic valve (1-8), described upper level sensor (1-9) and the lower level sensor temperature sensor (1-10) of holding concurrently is all positioned at body of heater (1-1) inside, and upper level sensor (1-9) is positioned at the top of body of heater (1-1), the lower level sensor temperature sensor (1-10) of holding concurrently is positioned at the bottom of body of heater (1-1), above-mentioned upper magnetic valve (1-6), lower magnetic valve (1-8), upper level sensor (1-9), the lower level sensor temperature sensor (1-10) of holding concurrently is connected with water-control device (1-7) with temperature control respectively.
2. a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler according to claim 1, it is characterized in that: top photovoltaic electrification component solar battery sheet (1-2-4) quantity in described top photovoltaic electrification component (1-2) is 7, adopt series system to connect; Bottom photovoltaic electric power generating heat collector solar battery sheet (1-3-3) quantity in described bottom photovoltaic electric power generating heat collector (1-3) is 6, adopts series system to connect; In described thermo-electric generation sheet (1-4), generating sheet quantity is 20,10 one group series connection, two groups of outputs in parallel.
3. a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler according to claim 2, it is characterized in that: the described nail (1-13) that is fastenedly connected comprises skull portion and nail tip portion, its skull portion is in the bottom of body of heater (1-1), and nail tip portion is followed closely in bottom photovoltaic electric power generating heat collector backboard (1-3-5).
4. a kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler according to claim 3, it is characterized in that: the lateral wall of described body of heater (1-1) wraps up a foamed thermal insulating layer (1-17), this foamed thermal insulating layer (1-17) is fixed on body of heater (1-1) periphery by aluminium foil crust (1-16).
CN201410182396.6A 2014-04-30 2014-04-30 A kind of solar energy high usage photovoltaic and photothermal thermo-electric generation boiler CN103925705B (en)

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