CN204558490U - A kind of solar module device realizing cooling and thermo-electric generation - Google Patents

A kind of solar module device realizing cooling and thermo-electric generation Download PDF

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Publication number
CN204558490U
CN204558490U CN201520116352.3U CN201520116352U CN204558490U CN 204558490 U CN204558490 U CN 204558490U CN 201520116352 U CN201520116352 U CN 201520116352U CN 204558490 U CN204558490 U CN 204558490U
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China
Prior art keywords
thermo
electric generation
sheet
solar module
semiconductor temperature
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CN201520116352.3U
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刘伟
张林森
李海
王海东
贾鹏
任鹏
崔智秋
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NINGXIA YINXIANG ENERGY PHOTOVOLTAIC EQUIPMENT MANUFACTURING Co Ltd
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NINGXIA YINXIANG ENERGY PHOTOVOLTAIC EQUIPMENT MANUFACTURING Co Ltd
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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
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model relates to a kind of solar module device realizing cooling and thermo-electric generation.Comprise the toughened glass (2), solar battery sheet (4) and the aluminium matter backboard (5) that are superimposed successively, be characterized in: at the another side of described aluminium matter backboard (5), at least one chip semiconductor thermo-electric generation sheet (9) is also installed, this semiconductor temperature differential generating sheet (9) is also provided with water receiver (8), this water receiver (8) is respectively equipped with water inlet and delivery port.The beneficial effects of the utility model mainly contain: 1, reduce current Crystalline Silicon PV Module and running the temperature in use procedure, improve the power stage of assembly in running, and in reduction assembly operating process, damaging heat is to the adverse effect of assembly.2, utilize semiconductor temperature differential generating technology, coupling unit produces damaging heat in running, realizes semiconductor temperature differential generating, and by the wire of semiconductor temperature differential generating sheet self, the electric energy produced by thermo-electric generation sheet is derived.

Description

A kind of solar module device realizing cooling and thermo-electric generation
Technical field
The utility model relates to a kind of solar module device realizing cooling and thermo-electric generation.
Background technology
Solar energy power generating is a kind of new forms of energy application mode of current China development energetically.The feature such as it has at the bottom of green, pollution-free, noiselessness, maintenance cost, long service life, technology are simple.At present, traditional crystal silicon solar battery component, can produce a large amount of heat in generating use procedure, and due to Crystalline Silicon PV Module generating power output can along with the rising of temperature, its power output can decline.Its generated output of Crystalline Silicon PV Module is (STC, irradiance E=1000W/m under standard test condition 2, temperature T=25 DEG C, air quality AM1.5) record, when the actual work temperature of assembly is higher than 25 DEG C, the power of Crystalline Silicon PV Module can decline thereupon, and temperature often raises 1 DEG C, and its power output about reduces 0.89Wp (polysilicon).In practical work process, its mean temperature of polysilicon photovoltaic module close to 70 DEG C, can which results in declining to a great extent of component power, is unfavorable for the maximum utilization realizing photovoltaic module.The heat that assembly produces in power generation process, can reduce photovoltaic module useful life and power output simultaneously, so this heat is a kind of heat harmful to assembly.
Semiconductor temperature differential generating technology utilizes the Seebeck effect of semi-conducting material (Seebeck effect) to realize generating.Its cardinal principle is: different semi-conducting materials (P type or N-type) has different free electron densities (or carrier density), when two kinds of different semiconductors contact with each other, electronics on the contact surface will be spread to low concentration by high concentration.And the diffusion rate of electronics is directly proportional to the temperature of contact zone, as long as so maintain the two intermetallic temperature difference, electronics just can be made to continue diffusion, stable voltage is formed at another two end points of two blocks of metals, when external circuit is switched on meeting, can at semiconductor temperature difference sheet and external conductor, load elements formation electric current.At present, utilize this characteristic of semi-conducting material, define very ripe semiconductor temperature differential generating sheet.
Utility model content
The purpose of this utility model is to provide a kind of solar module device realizing cooling and thermo-electric generation, can realize thermo-electric generation, and solar photovoltaic assembly can also be made to lower the temperature while raising solar module generating efficiency.
A kind of solar module device realizing cooling and thermo-electric generation, comprise the toughened glass, solar battery sheet and the aluminium matter backboard that are superimposed successively, its special feature is: be also provided with at least one chip semiconductor thermo-electric generation sheet at the another side of described aluminium matter backboard, this semiconductor temperature differential generating sheet is also provided with water receiver, this water receiver is respectively equipped with water inlet and delivery port.
Wherein water receiver adopts copper or aluminium material.
Wherein the two sides of semiconductor temperature differential generating sheet is pasted onto on aluminium matter backboard and water receiver respectively by high thermal conductivity silica gel.
Wherein the conductive coefficient of high thermal conductivity silica gel is more than or equal to 2.0W/mK.
Wherein also comprise aluminum alloy frame, described toughened glass, solar battery sheet and aluminium matter backboard are all arranged in this aluminum alloy frame by packaging adhesive film and sealing silica gel, and this aluminum alloy frame has some louvres.
The beneficial effects of the utility model mainly contain: 1, reduce current Crystalline Silicon PV Module and running the temperature in use procedure, improve the power stage of assembly in running, and in reduction assembly operating process, damaging heat is to the adverse effect of assembly.2, utilize semiconductor temperature differential generating technology, coupling unit produces damaging heat in running, realizes semiconductor temperature differential generating, and by the wire of semiconductor temperature differential generating sheet self, the electric energy produced by thermo-electric generation sheet is derived.3, utilize copper tank, cold water is stored, thus as the low-temperature receiver of semiconductor temperature difference sheet, then improve conductor temperature difference sheet generating efficiency.4, the water of water receiver is while semiconductor temperature difference sheet cold-side cooling, and the coolant-temperature gage of its inside can increase.When temperature arrives uniform temperature, artificially or automatically its internal water can be reset, make it remain at lower temperature.5, the high-temperature-hot-water of water receiver, can be stored, family expenses.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the A-A cutaway view of Fig. 1;
Accompanying drawing 3 is the partial enlarged drawing at I place in Fig. 2.
Embodiment
As shown in Figure 1, 2, 3, the utility model is a kind of solar module device realizing cooling and thermo-electric generation, comprise terminal box, and (low iron ultrawhite matte) toughened glass 2, (polysilicon) solar battery sheet 4 and aluminium matter (solar energy the is special) backboard be superimposed successively, at the another side of described aluminium matter backboard 5, at least one chip semiconductor thermo-electric generation sheet 9 is also installed, between multiple semiconductor temperature differential generating sheet 9, direct insertion plug can be adopted to connect.This semiconductor temperature differential generating sheet 9 is also provided with water receiver 8, this water receiver 8 has water inlet and delivery port.Specifically this water receiver 8 adopts copper or aluminium material, and the two sides of semiconductor temperature differential generating sheet 9 is pasted onto on aluminium matter backboard 5 and water receiver 8 respectively by high thermal conductivity silica gel 7, and the conductive coefficient of this high thermal conductivity silica gel 7 is more than or equal to 2.0W/mK.
Also comprise aluminum alloy frame 1 in addition, described toughened glass 2, solar battery sheet 4 and aluminium matter backboard 5 are encapsulated by EVA packaging adhesive film 3 and are fixedly mounted in this aluminum alloy frame 1 with sealing silica gel 6, and this aluminum alloy frame 1 has some louvres.
Operation principle of the present utility model is:
The utility model is the improvement carried out on the basis of existing solar photovoltaic electrification component, in order to realize the cooling of solar module, and combine ripe semiconductor temperature differential generating technology, the heat that the utility model utilizes photovoltaic module to produce realizes thermo-electric generation, and the Bound moisture circulatory system realizes the transmission of heat, thus while raising solar module generating efficiency, realize thermo-electric generation, finally reach the object making solar photovoltaic assembly cooling, semiconductor temperature differential generating.The utility model patent is mainly in view of current conventional solar cell assembly is in application process, the harmfulness heat produced due to assembly self is basic point of departure to its harm brought, in conjunction with semiconductor temperature differential generating technology, and utilize water storage and water circulation system, by triplicity, formed and a kind ofly can be embodied as Crystalline Silicon PV Module cooling, thermo-electric generation simultaneously and produce the comprehensive utilization device of hot water.The utility model utility model Crystalline Silicon PV Module power output originally can not only be made to maximize and also the heat that assembly can be utilized to produce as the thermal source of semiconductor temperature difference (generating) sheet 9, and utilize water storage and water circulation system as semiconductor temperature difference sheet low-temperature receiver, while realizing semiconductor temperature differential generating, realize the generation of hot water.
The temperature that device of the present utility model of make use of that photovoltaic module operationally can produce is higher, and the intrinsic property of semiconductor temperature differential generating.The heat produced by photovoltaic module is as the temperature end (thermal source) of thermo-electric generation sheet, the cold junction of semiconductor temperature difference sheet then adopts water storage and water circulation system as its low-temperature receiver, final realization reaches the object of higher temperature difference at the two ends of semiconductor temperature difference sheet, then while being embodied as assembly cooling, also the object utilizing assembly heat to generate electricity can be realized, if undertaken external by water storage and water circulation system, the supply of hot water can also be realized.The utility model take photovoltaic generation as basic point of departure, in conjunction with the thermoelectric generation of semi-conducting material and water storage and water circulation system, can be embodied as the utilization of photovoltaic module cooling, thermo-electric generation and hot water simultaneously.Utility model of the present utility model, effectively can not only improve the actual motion power output of photovoltaic module and can realize the supply of thermo-electric generation and hot water.So, the utility model is except while having basic electricity generate function, when its for civilian, Household building in conjunction with time, a certain amount of hot water can also be provided for resident, thus realize more in limited erection space, the variation of product function, realizes building energy conservation to greatest extent, thus promotes distributed photovoltaic power generation popularization and application.
The example theory calculate of the utility model beneficial effect:
Table 1 the utility model contrasts with common component in photovoltaic generation:
When table 2 solar module capacity is 1000W, semiconductor temperature differential generating power (Conservative estimation):
When table 3 solar module capacity is 1000W, 40 DEG C of hot water generations:
Design conditions:
Solar components installed capacity: 1000W; Ambient temperature: 25 DEG C; Monolithic solar module power: 200Wp; Solar module state: be incorporated into the power networks; Irradiance: 1000W/m 2; Air quality: AM1.5.
The utility model is with crystal silicon solar battery component photovoltaic generation for basic point of departure, and the overall plan of its technology is as follows:
1, adopt aluminium matter backboard 5 as photovoltaic module back-protective material.Aluminium matter backboard 5 material can meet photovoltaic module requirement in useful life, resistance to water vapo r transmission, electrical performance demands and safety requirements simultaneously, and and capacity of heat transmission, conductive coefficient high, the heat conduction that can be produced by photovoltaic module is to greatest extent out.
2, use conductive coefficient to be not less than the high thermal conductivity silica gel 7 of 2.0W/mK, the aluminium matter backboard 5 used in the hot junction of semiconductor temperature differential generating sheet 9 and photovoltaic module carries out adhesive bond.The heat that photovoltaic module produces can be passed to semiconductor temperature difference sheet by high thermal conductivity silica gel 7 to greatest extent, realizes effective transmission of heat, improves the receipts heat of photovoltaic module heat dissipation capacity and semiconductor temperature difference sheet.
3, the core devices of semiconductor temperature difference sheet as semiconductor temperature differential generating that resistance ripe is at present 0.03 Ω, overall dimension is greater than 40*40mm is used.This semiconductor temperature difference sheet can realize low-temperature electricity-generating, and the minimum temperature difference is not less than 15 ° and can generates electricity, and generating efficiency is not less than 0.2W.
4, select wall thickness to be not more than 1.5mm copper material and make water receiver 8, use high thermal conductivity silica gel that the cold junction of itself and semiconductor temperature differential generating sheet 9 is carried out high strength bonding, thus as the low-temperature receiver of semiconductor temperature difference sheet.
6, the existing solar module aluminum alloy frame of appropriate reconstruction, perforating by punching is carried out in position suitable on frame, makes assembly while carrying out cooling water circulation, realizes cross-ventilation cooling.Thus reduce the working temperature of photovoltaic module further, improve the generating efficiency of assembly.

Claims (5)

1. one kind can realize the solar module device of cooling and thermo-electric generation, comprise the toughened glass (2), solar battery sheet (4) and the aluminium matter backboard (5) that are superimposed successively, it is characterized in that: at the another side of described aluminium matter backboard (5), at least one chip semiconductor thermo-electric generation sheet (9) is also installed, this semiconductor temperature differential generating sheet (9) is also provided with water receiver (8), this water receiver (8) is respectively equipped with water inlet and delivery port.
2. a kind of realization is lowered the temperature and the solar module device of thermo-electric generation as claimed in claim 1, it is characterized in that: wherein water receiver (8) adopts copper or aluminium material.
3. a kind of realization is lowered the temperature and the solar module device of thermo-electric generation as claimed in claim 1, it is characterized in that: wherein the two sides of semiconductor temperature differential generating sheet (9) is pasted onto on aluminium matter backboard (5) and water receiver (8) respectively by high thermal conductivity silica gel (7).
4. a kind of realization is lowered the temperature and the solar module device of thermo-electric generation as claimed in claim 3, it is characterized in that: wherein the conductive coefficient of high thermal conductivity silica gel (7) is more than or equal to 2.0W/mK.
5. as a kind of solar module device realizing cooling and thermo-electric generation in Claims 1-4 as described in any one, it is characterized in that: wherein also comprise aluminum alloy frame (1), described toughened glass (2), solar battery sheet (4) and aluminium matter backboard (5) are all arranged in this aluminum alloy frame (1) by packaging adhesive film (3) and sealing silica gel (6), and this aluminum alloy frame (1) has some louvres.
CN201520116352.3U 2015-02-26 2015-02-26 A kind of solar module device realizing cooling and thermo-electric generation Active CN204558490U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105141220A (en) * 2015-08-25 2015-12-09 河海大学常州校区 Novel solar apparatus capable of improving comprehensive efficiency of photovoltaic modules
CN106953550A (en) * 2017-05-18 2017-07-14 上海理工大学 Photovoltaic temperature difference combined power generation device
CN108471294A (en) * 2017-02-23 2018-08-31 华北电力大学 Application of the low-grade fever tubular type CPVT coupling temperature difference electricity generation devices in summer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105141220A (en) * 2015-08-25 2015-12-09 河海大学常州校区 Novel solar apparatus capable of improving comprehensive efficiency of photovoltaic modules
CN108471294A (en) * 2017-02-23 2018-08-31 华北电力大学 Application of the low-grade fever tubular type CPVT coupling temperature difference electricity generation devices in summer
CN106953550A (en) * 2017-05-18 2017-07-14 上海理工大学 Photovoltaic temperature difference combined power generation device

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