CN201368606Y - Flat-plate solar energy photovoltaic electricity-heat conversion device by adopting heat pipe to cool - Google Patents

Flat-plate solar energy photovoltaic electricity-heat conversion device by adopting heat pipe to cool Download PDF

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Publication number
CN201368606Y
CN201368606Y CNU200920126098XU CN200920126098U CN201368606Y CN 201368606 Y CN201368606 Y CN 201368606Y CN U200920126098X U CNU200920126098X U CN U200920126098XU CN 200920126098 U CN200920126098 U CN 200920126098U CN 201368606 Y CN201368606 Y CN 201368606Y
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China
Prior art keywords
heat pipe
heat
imbibition core
core heat
cooling fluid
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Expired - Fee Related
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CNU200920126098XU
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Chinese (zh)
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吴双应
苟小龙
李友荣
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Chongqing University
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Chongqing University
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/44Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/90Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F24S10/95Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/50Preventing overheating or overpressure
    • F24S40/55Arrangements for cooling, e.g. by using external heat dissipating means or internal cooling circuits
    • 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
    • Y02E10/44Heat exchange 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The utility model relates to a flat-plate solar energy photovoltaic electricity-heat conversion device by adopting a heat pipe to cool, belonging to the field of solar energy photovoltaic electricity-heat utilization engineering; the conversion device is mainly composed of a solar energy photovoltaic battery module, a solar energy photovoltaic battery board, a glass cover board, a glass side seal, a wick heat pipe, heat-conducting material, heat-insulating material, a cooling fluid channel, a cooling fluid inlet and outlet header box and a connecting pipe; an evaporation section of the wick heat pipe is closely contact with the photovoltaic battery board, and the heat-conducting material with good heat-conducting performance is filled between the evaporation section and the photovoltaic battery board; the heat-insulating material is distributed at the evaporation section of the wick heat pipe and the periphery of the heat-conducting material; radial fins are distributed on the outer surface of a condensing section of the wick heat pipe, a heat-insulating section is left between the evaporation section and the condensing section of the wick heat pipe, and the heat-insulating material is distributed at the outer surface of the heat-insulating section; the whole device can be arranged in an inclining way. The flat-plate solar energy photovoltaic electricity-heat conversion device has the characteristics of uniform temperature of the solar energy photovoltaic battery board, convenient adjustment for working temperature, high photovoltaic electricity-heat conversion efficiency and good operating reliability.

Description

A kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling
Technical field:
Title of the present utility model is a kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling, belongs to solar photovoltaic-heat utilization engineering field.
Background technology:
In the heat utilization mode of solar energy, it is one of at present more common a kind of mode that the photovoltaic of solar energy electricity utilizes.Photovoltaic electricity to solar energy utilizes existing more research at present, but the photovoltaic of solar energy electricity utilization ratio is low, generally have only 10~20%, therefore in the photovoltaic electricity transfer process of solar energy, can cause the thermal waste of very big solar energy on the one hand, the heat energy that does not convert electric energy simultaneously to also can cause the rising of photovoltaic battery temperature, and according to research, the conversion efficiency of solar-energy photo-voltaic cell reduces along with the rising of inversion temperature, thereby be unfavorable for the photovoltaic electricity conversion of solar energy more, according to the study, this unnecessary heat can cause conversion efficiency to descend 3~6% to the heating of solar-energy photo-voltaic cell, therefore be necessary to cool off, by cooling, can improve on the one hand the photoelectric transformation efficiency of solar energy, on the other hand by certain type of cooling the in addition heat utilization of getting up of unnecessary heat recovery, as refrigeration, heating, therefore the photovoltaic electricity-Re conversion equipment and the system of solar energy just appearred in desalination and produce steam etc.
From domestic and foreign literature and license situation, the cooling system of the present solar photovoltaic transfer process that adopts, mostly be forced convertion cooling and free convection cooling dual mode greatly, wherein utilize the forced convertion cooling of water and air to be proved to be and be effective and efficient manner comparatively at present.Yet should be noted that, cooling medium rises in flow process its temperature behind the heat of absorption solar photovoltaic cell panel, and by solar radiation etc. heat flow density, (there is heat conduction in the complexity that inhomogeneities that cooling fluid distributes and solar photovoltaic-Re internal system is conducted heat, three kinds of heat transfer modes of convection current and radiation heat transfer), this moment, the temperature of solar photovoltaic cell panel should not be uniform, the operating temperature that also is solar-energy photo-voltaic cell should increase on the flow direction of fluid, therefore cause the solar-energy photo-voltaic cell cooling effect inequality on the solar photovoltaic cell panel, sometimes even can produce " focus " problem, this is disadvantageous to photoelectric transformation efficiency of improving solar-energy photo-voltaic cell; Simultaneously because the inhomogeneities of solar-energy photo-voltaic cell operating temperature, the adjusting of solar photovoltaic-Re system works temperature has also been brought inconvenience; In addition, traditional type of cooling is when the cooling medium of employing such as classes such as air, owing to will improve the measure that cooling effect need adopt augmentation of heat transfer, and the mode such as fin that in coolant guiding channel, installs additional that adopts at present, can increase the complexity and the cost of investment of system obviously, this improvement to solar photovoltaic-Re systematic economy performance also is disadvantageous.Therefore be necessary to adopt a kind of new type of cooling, can reach efficient cooling effect, the operating temperature uniformity that can keep each solar-energy photo-voltaic cell on the solar photovoltaic cell panel again, and operating temperature is easy to adjust, this opto-electronic conversion performance to the overall performance, particularly solar energy of raising solar photovoltaic-Re system is very favourable.
The utility model content:
The technical problems to be solved in the utility model provides a kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling efficiently.Isothermal performance when making full use of on the one hand heat pipe work and operating temperature make things convenient for adjustability, utilize the efficient heat transfer performance of heat pipe itself on the other hand and outside pipe, install the characteristics that fin reinforcing conducts heat easily additional, not only can solve solar photovoltaic cell panel non-uniform temperature and " focus " problem in photovoltaic electricity-Re system, improve the conversion efficiency and the security performance of photovoltaic electricity-Re system, but also can realize the adjustability that makes things convenient for of solar-energy photo-voltaic cell operating temperature.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Mainly by solar-energy photo-voltaic cell module 1, solar photovoltaic cell panel 2, glass cover-plate 7, glass side seal 6, imbibition core heat pipe 4, Heat Conduction Material 3, imbibition core heat pipe evaporator section insulation material 5, imbibition core heat pipe adiabatic section insulation material 8, cooling channels 12, cooling fluid inlet header 13, cooling fluid outlet header 10, a kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling that cooling fluid entrance sleeve 14 and cooling fluid discharge connection 9 are formed, it is characterized in that: glass cover-plate 7 and glass side seal 6 are formed the enclosure space with greenhouse effect, solar-energy photo-voltaic cell module 1 is the rectangular arranged mode of rule on solar photovoltaic cell panel 2, below every row's solar-energy photo-voltaic cell module 1, arrange the evaporator section of imbibition core heat pipe 4, the evaporator section of imbibition core heat pipe 4 closely contacts with solar photovoltaic cell panel 2, between the two the Heat Conduction Material 3 of falling heat-transfer function admirable; At imbibition core heat pipe 4 evaporator sections and Heat Conduction Material 3 arranged around imbibition core heat pipe evaporator section insulation material 5 is arranged; Condensation segment outer surface cloth at imbibition core heat pipe 4 is equipped with radial fins 11; Leave the adiabatic section between the evaporator section of imbibition core heat pipe and condensation segment, and imbibition core heat pipe adiabatic section outer surface cloth is equipped with imbibition core heat pipe adiabatic section insulation material 8, the condensation segment of imbibition core heat pipe is arranged in the cooling channels 12; The cooling channels entrance point is furnished with cooling fluid inlet header 13 and cooling fluid entrance sleeve 14; The cooling channels port of export is furnished with cooling fluid outlet header 10 and cooling fluid discharge connection 9.
The utility model is equipped with radial fins 11 with effective heat-transfer effect that improves cooling fluid at the condensation segment outer surface cloth of imbibition core heat pipe, and whole device for the evaporator section accepting solar radiation better and can adopt imbibition core heat pipe 4 down, condensation segment is in last being in tilted layout.
The utility model compared with prior art has following characteristics: the isothermal performance when (1) utilizes heat pipe work makes that the operating temperature of each solar-energy photo-voltaic cell is identical, the temperature uniformity on solar photovoltaic cell panel surface, thereby improve the photoelectric transformation efficiency of whole device and effectively avoid " focus " problem on the solar photovoltaic cell panel, operational reliability is good.(2) utilize the convenient adjustable characteristics of heat pipe operating temperature, the operating temperature of the solar-energy photo-voltaic cell of whole device can be as required by changing the operate outside condition of heat pipe, wait as temperature, the flow of cooling fluid to reach the purpose of regulating the solar-energy photo-voltaic cell operating temperature.(3) heat exchange efficiency height: adopt efficient imbibition core heat pipe, simultaneously install radial fins additional at imbibition core heat pipe condenser section, and imbibition core heat pipe adiabatic section outer surface cloth is equipped with imbibition core heat pipe adiabatic section insulation material 8, and the condensation segment of imbibition core heat pipe is arranged in the cooling channels 12; The cooling channels entrance point is furnished with cooling fluid inlet header 13 and cooling fluid entrance sleeve 14; The cooling channels port of export is furnished with cooling fluid outlet header 10 and cooling fluid discharge connection 9.
The course of work of the present utility model is as follows: when solar radiation shines glass cover-plate 7 on photovoltaic electricity-Re conversion equipment, solar energy sees through glass cover-plate 7 and enters the enclosure space of being made up of glass cover-plate 7 and glass side seal 6, utilize the greenhouse effect of enclosure space, the solar energy that enters enclosure space is absorbed by solar-energy photo-voltaic cell module 1 on the one hand and converts electric energy to, the heating solar photovoltaic battery panel 2 on the other hand, and some heat scatters and disappears in the mode of convection current and radiation by glass cover-plate 7 and glass side seal 6 simultaneously; After solar photovoltaic cell panel 2 is heated, heat passes through solar photovoltaic cell panel 2 in the mode of heat conduction, this part heat removes sub-fraction and is lost to the external environment China and foreign countries by imbibition core heat pipe evaporator section insulation material 5, major part passes at the evaporator section of imbibition core heat pipe 4 and the good Heat Conduction Material 3 of the heat conductivility between the solar photovoltaic cell panel 2, passes to the tube wall of the evaporator section of imbibition core heat pipe 4 then; After the evaporator section of imbibition core heat pipe 4 is heated, working medium in heat pipe heat absorption vaporization, the working medium after the vaporization upwards flows through the condensation segment that arrives imbibition core heat pipe 4 behind the adiabatic section of imbibition core heat pipe 4; At condensation segment, the working medium of imbibition core heat pipe 4 discharges heat to condensing into liquid working medium behind the cooling fluid outside the condensation segment pipe, the suffered gravity effect of liquid refrigerant when the effect of the capillary suction force of the imbibition core in the liquid working medium dependence imbibition core heat pipe 4 and whole device tilt to place, be back to the evaporator section of imbibition core heat pipe 4 by the adiabatic section of imbibition core heat pipe 4, heat absorption vaporization again; And cooling fluid enters cooling channels 12 after entering cooling fluid inlet header 13 by cooling fluid entrance sleeve 14, in cooling channels 12, cooling fluid by and the radial fins 11 of the condensation segment of imbibition core heat pipe 4 between carry out heat convection mode absorb condenser heat from imbibition core heat pipe 4, flow out through cooling fluid discharge connection 9 by cooling fluid outlet header 10 after reaching desired temperature.

Claims (2)

1, a kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling, mainly by solar-energy photo-voltaic cell module (1), solar photovoltaic cell panel (2), glass cover-plate (7), glass side seal (6), imbibition core heat pipe (4), Heat Conduction Material (3), imbibition core heat pipe evaporator section insulation material (5), imbibition core heat pipe adiabatic section insulation material (8), cooling channels (12), cooling fluid inlet header (13), cooling fluid outlet header (10), flowing but fluid inlet adapter (14) and cooling fluid discharge connection (9) forms, it is characterized in that: glass cover-plate (7) and glass side seal (6) are formed enclosure space, solar-energy photo-voltaic cell module (1) is the rectangular arranged mode of rule on solar photovoltaic cell panel (2), below every row's solar-energy photo-voltaic cell module (1), arrange the evaporator section of imbibition core heat pipe (4), the evaporator section of imbibition core heat pipe (4) closely contacts with solar photovoltaic cell panel (2), between the two the Heat Conduction Material of falling heat-transfer function admirable (3); At imbibition core heat pipe (4) evaporator section and Heat Conduction Material (3) arranged around imbibition core heat pipe evaporator section insulation material (5) is arranged; Between the evaporator section of imbibition core heat pipe (4) and condensation segment, leave the adiabatic section, and the adiabatic section outer surface cloth of imbibition core heat pipe (4) is equipped with imbibition core heat pipe adiabatic section insulation material (8), and the condensation segment of imbibition core heat pipe (4) is arranged in the cooling channels (12); The cooling channels entrance point is furnished with cooling fluid inlet header (13) and cooling fluid entrance sleeve (14); The cooling channels port of export is furnished with cooling fluid outlet header (10) and cooling fluid discharge connection (9).
2, a kind of plate type solar photovoltaic electricity-Re conversion equipment that adopts the heat pipe cooling according to claim 1, it is characterized in that: the condensation segment outer surface cloth of imbibition core heat pipe (4) is equipped with radial fins (11), and the whole device evaporator section that can adopt imbibition core heat pipe (4) down, condensation segment is in last being in tilted layout.
CNU200920126098XU 2009-01-14 2009-01-14 Flat-plate solar energy photovoltaic electricity-heat conversion device by adopting heat pipe to cool Expired - Fee Related CN201368606Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873093A (en) * 2010-07-01 2010-10-27 重庆大学 Solar energy comprehensive utilizing system for integrating optothermal mixed power generation and heat utilization
CN101881519A (en) * 2010-07-22 2010-11-10 王恒月 All-weather heat-tube vacuum collector
CN102052782A (en) * 2010-10-21 2011-05-11 中国科学技术大学 Heat-pipe type solar energy photoelectric and optothermal comprehensive utilization system
CN102881758A (en) * 2011-07-12 2013-01-16 浙江思博恩新材料科技有限公司 Combined heat and power system
EP2518780A4 (en) * 2009-12-25 2017-09-06 Changzhou Hetong Purun Energy Technology, Co. Ltd. Solar photovoltaic cell high efficiency radiating device and combination heat power system
CN107676856A (en) * 2017-10-13 2018-02-09 南昌大学 A kind of solar heat pipe heat-transfer device
CN112202405A (en) * 2020-10-19 2021-01-08 吉林大学 Solar cell panel cooling device and method
CN113883726A (en) * 2021-11-04 2022-01-04 大连海事大学 High-efficient solar drive heat pipe based on interface evaporation

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2518780A4 (en) * 2009-12-25 2017-09-06 Changzhou Hetong Purun Energy Technology, Co. Ltd. Solar photovoltaic cell high efficiency radiating device and combination heat power system
CN101873093A (en) * 2010-07-01 2010-10-27 重庆大学 Solar energy comprehensive utilizing system for integrating optothermal mixed power generation and heat utilization
CN101873093B (en) * 2010-07-01 2012-05-23 重庆大学 Solar energy comprehensive utilizing system for integrating optothermal mixed power generation and heat utilization
CN101881519A (en) * 2010-07-22 2010-11-10 王恒月 All-weather heat-tube vacuum collector
CN101881519B (en) * 2010-07-22 2012-05-30 王恒月 All-weather heat-tube vacuum collector
CN102052782A (en) * 2010-10-21 2011-05-11 中国科学技术大学 Heat-pipe type solar energy photoelectric and optothermal comprehensive utilization system
CN102881758A (en) * 2011-07-12 2013-01-16 浙江思博恩新材料科技有限公司 Combined heat and power system
CN102881758B (en) * 2011-07-12 2016-01-27 浙江昱辉阳光能源有限公司 A kind of cogeneration system
CN107676856A (en) * 2017-10-13 2018-02-09 南昌大学 A kind of solar heat pipe heat-transfer device
CN112202405A (en) * 2020-10-19 2021-01-08 吉林大学 Solar cell panel cooling device and method
CN113883726A (en) * 2021-11-04 2022-01-04 大连海事大学 High-efficient solar drive heat pipe based on interface evaporation

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Granted publication date: 20091223

Termination date: 20140114