CN103715977B - A kind of solar energy power generating and photothermal integrated device and manufacturing process thereof - Google Patents
A kind of solar energy power generating and photothermal integrated device and manufacturing process thereof Download PDFInfo
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- CN103715977B CN103715977B CN201310693894.2A CN201310693894A CN103715977B CN 103715977 B CN103715977 B CN 103715977B CN 201310693894 A CN201310693894 A CN 201310693894A CN 103715977 B CN103715977 B CN 103715977B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000010248 power generation Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
本发明涉及一种太阳能光伏发电与光热一体装置，包括太阳电池板、保温水箱，所述太阳电池板的底侧面上粘结中空金属吸热板，所述保温水箱内设有一热交换器，所述热交换器的工质输入端与中空金属吸热板的出液口相连，所述热交换器的工质输出端与中空金属吸热板的进液口相连，所述太阳电池板与一光伏发电系统控制器电路相连，所述光伏发电系统控制器与一总控制器电路相连，所述总控制器与用以控制设置于保温水箱内的电加热器的电加热控制器电路相连。本发明利用太阳能光伏发电的同时将其余热（大约占太阳辐射能80%的能量）加以利用，不仅能够降低太阳电池板的结温，提高光伏发电的效率，而且能够提高太阳能的利用率，减少空间占有率和综合制造成本。
The invention relates to a solar photovoltaic power generation and photothermal integrated device, which includes a solar battery panel and a thermal insulation water tank. A hollow metal heat-absorbing plate is bonded to the bottom side of the solar battery panel, and a heat exchanger is arranged in the thermal insulation water tank. The working medium input end of the heat exchanger is connected to the liquid outlet of the hollow metal heat absorbing plate, the working medium output end of the heat exchanger is connected to the liquid inlet of the hollow metal heat absorbing plate, and the solar battery panel is connected to the liquid outlet of the hollow metal heat absorbing plate. A photovoltaic power generation system controller circuit is connected, and the photovoltaic power generation system controller is connected with a general controller circuit, and the general controller is connected with an electric heating controller circuit for controlling an electric heater arranged in the thermal insulation water tank. The invention uses solar photovoltaic power generation while utilizing the remaining heat (energy accounting for about 80% of solar radiation energy), which can not only reduce the junction temperature of solar panels, improve the efficiency of photovoltaic power generation, but also improve the utilization rate of solar energy. Reduce space occupancy and overall manufacturing costs.
Description
技术领域 technical field
本发明涉及一种太阳能光伏发电与光热一体装置及其制造工艺，属于太阳能利用领域。 The invention relates to a solar photovoltaic power generation and photothermal integrated device and a manufacturing process thereof, belonging to the field of solar energy utilization.
背景技术 Background technique
太阳能电池组件的能量利用率一般在18%左右，还有80%以上的太阳能被白白浪费了。太阳能热水器对太阳能辐射能的利用率大约70%左右，主要是为用户提供热水，温度一般在50℃左右。提高太阳能的利用率是太阳能行业的永恒主题，利用光伏发电所余下的80%左右的太阳能，十分必要。根据“温度对口，梯级利用”的理念，把光伏发电的余热提供给热水器，为用户提供热水，可大幅度提高太阳能的利用率。另一方面，太阳电池板的结温越高发电效率越低，本发明装置的结构，可将太阳电池板的热量迅速带走，因此，不仅能够提高太阳能的利用率，而且能够延长太阳电池板组件的使用寿命。本发明为高效利用太阳能提供了一种新的途径，具有良好的简介效益和社会效益。 The energy utilization rate of solar cell modules is generally about 18%, and more than 80% of the solar energy is wasted. The utilization rate of solar energy for solar water heaters is about 70%, mainly to provide hot water for users, and the temperature is generally around 50°C. Improving the utilization rate of solar energy is the eternal theme of the solar energy industry. It is very necessary to utilize the remaining 80% of solar energy generated by photovoltaic power generation. According to the concept of "corresponding temperature, cascade utilization", the waste heat of photovoltaic power generation is provided to the water heater to provide hot water for users, which can greatly improve the utilization rate of solar energy. On the other hand, the higher the junction temperature of the solar panel, the lower the power generation efficiency. The structure of the device of the present invention can quickly take away the heat of the solar panel. Therefore, not only can the utilization rate of solar energy be improved, but also the solar panel can be extended. Component life. The invention provides a new approach for efficient utilization of solar energy, and has good profile benefits and social benefits.
发明内容 Contents of the invention
本发明所要解决的技术问题是为高效利用太阳能提供了一种集成光伏发电和光热综合利用的新途径。 The technical problem to be solved by the invention is to provide a new way of integrating photovoltaic power generation and photothermal comprehensive utilization for efficient utilization of solar energy.
本发明的特征在于：一种太阳能光伏发电与光热一体装置，包括太阳电池板、保温水箱，其特征在于：所述太阳电池板的底侧面上粘结有用以导流液体工质的中空金属吸热板，所述保温水箱内设有一热交换器，所述热交换器的工质输入端经工质输送管与中空金属吸热板的出液口相连，所述热交换器的工质输出端经工质输送管与中空金属吸热板的进液口相连，所述太阳电池板与一光伏发电系统控制器电路相连，所述光伏发电系统控制器与一总控制器电路相连，所述总控制器与用以控制设置于保温水箱内的电加热器的电加热控制器电路相连。 The present invention is characterized in that: a solar photovoltaic power generation and photothermal integrated device, including a solar cell panel and an insulated water tank, is characterized in that: the bottom side of the solar cell panel is bonded with a hollow metal for guiding liquid working medium A heat-absorbing plate, a heat exchanger is arranged in the heat-preserving water tank, the working medium input end of the heat exchanger is connected with the liquid outlet of the hollow metal heat-absorbing plate through a working medium conveying pipe, and the working medium of the heat exchanger The output end is connected to the liquid inlet of the hollow metal heat-absorbing plate through the working fluid delivery pipe, the solar panel is connected to a photovoltaic power generation system controller circuit, and the photovoltaic power generation system controller is connected to a general controller circuit. The general controller is connected with the electric heating controller circuit for controlling the electric heater arranged in the thermal insulation water tank.
其中，所述中空金属吸热板由上部的平面金属板与下部的半圆形凹槽曲面板焊接构成，且平面金属板的底面与半圆形凹槽曲面板的顶面之间形成用以导流液体工质的通道，所述半圆形凹槽曲面板的下方加一层反射膜，反射膜表面为圆柱型镜面，所述半圆形凹槽曲面板的鳍型面为圆柱型褶皱，并涂有高吸收率材料膜，这两个面形成一个反射腔体。 Wherein, the hollow metal heat absorbing plate is formed by welding the upper plane metal plate and the lower semicircular groove curved plate, and the bottom surface of the plane metal plate and the top surface of the semicircular groove curved plate are formed for A channel for diverting liquid working medium, a layer of reflective film is added under the semicircular groove curved plate, the surface of the reflective film is a cylindrical mirror surface, and the fin surface of the semicircular groove curved plate is cylindrical folds , and coated with a film of high-absorption material, the two faces form a reflective cavity.
所述平面金属板通过双面导热胶与太阳电池板的底侧面连接。 The planar metal plate is connected to the bottom side of the solar panel through double-sided heat-conducting glue.
所述热交换器的工质输出端与中空金属吸热板的进液口之间的工质输送管上还设有驱动泵，所述驱动泵与总控制器电路连接。 A driving pump is also provided on the working medium delivery pipe between the working medium output end of the heat exchanger and the liquid inlet of the hollow metal heat absorbing plate, and the driving pump is connected with the main controller circuit.
所述保温水箱内设有将水箱分成两个储水区的分区隔板。 The thermal insulation water tank is provided with partition partitions that divide the water tank into two water storage areas.
所述总控制器还与用以对保温水箱进行水量控制的供水系统控制器电路连接。 The general controller is also connected with a water supply system controller circuit for controlling the water volume of the thermal insulation water tank.
所述光伏发电系统控制器还与电网电路连接。 The photovoltaic power generation system controller is also connected to the grid circuit.
本发明还涉及一种太阳能光伏发电与光热一体装置的中空金属吸热板的制造工艺，其特征在于： The invention also relates to a manufacturing process of a hollow metal heat-absorbing plate of a solar photovoltaic power generation and photothermal integrated device, which is characterized in that:
采用冷轧工艺将薄型金属制成具有若干半圆形凹槽的导流曲面板，在半圆形凹槽的导流曲面板的凹槽上用石墨粉铺平，然后把平面金属板与该曲面板叠在一起，放在热压机上，通过热压把平板和曲面板的接触部位连接成一体，冷却后，把石墨粉取出，制成具有半圆柱形导流管的薄型中空金属吸热板，薄型中空金属吸热板与太阳电池板的结合，采用导热胶粘结。 The thin metal is made into a diversion curved panel with several semicircular grooves by cold rolling process, and the grooves of the diversion curved panel with semicircular grooves are paved with graphite powder, and then the flat metal plate is combined with this The curved panels are stacked together and placed on a hot press, and the contact parts of the flat panel and the curved panel are connected into one body by hot pressing. After cooling, the graphite powder is taken out to make a thin hollow metal heat absorber with a semi-cylindrical duct. The combination of the thin hollow metal heat absorbing plate and the solar panel is bonded with thermally conductive adhesive.
本发明还涉及一种太阳能光伏发电与光热一体装置的中空金属吸热板的制造工艺，其特征在于：采用冷轧工艺将薄型制成具有若干半圆形凹槽曲面板，然后将平面金属板与该曲面板焊接在一起，制成一面为平面、另一面为半圆形凹槽曲面的薄型中空金属吸热板,焊接工艺可以采用超声波焊接和激光焊接的工艺来完成，薄型中空金属吸热板与太阳电池板的结合，采用导热胶粘结。 The invention also relates to a manufacturing process of a hollow metal heat-absorbing plate for a solar photovoltaic power generation and photothermal integrated device, which is characterized in that: the cold-rolling process is used to make a thin-shaped curved plate with several semicircular grooves, and then the flat metal The plate and the curved plate are welded together to form a thin hollow metal heat absorbing plate with a flat surface on one side and a semicircular groove surface on the other. The welding process can be completed by ultrasonic welding and laser welding. The thin hollow metal heat absorbing plate The combination of the thermal plate and the solar panel is bonded with thermally conductive adhesive.
本发明的优点：本发明利用太阳能光伏发电的同时将其余热（大约占太阳辐射能80%的能量）加以利用，不仅能够降低太阳电池板的结温，提高光伏发电的效率，而且能够提高太阳能的利用率，减少空间占有率和综合制造成本。 Advantages of the present invention: the present invention utilizes solar photovoltaic power generation while utilizing residual heat (energy accounting for about 80% of solar radiation energy), which can not only reduce the junction temperature of solar panels, improve the efficiency of photovoltaic power generation, but also improve The utilization rate of solar energy reduces space occupancy rate and comprehensive manufacturing cost.
附图说明 Description of drawings
图1是本发明实施例的整体结构示意图。 Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.
图2是图1的A-A向剖视结构示意图。 Fig. 2 is a schematic diagram of the cross-sectional structure along the line A-A of Fig. 1 .
图3是本发明实施例的半圆形凹槽曲面板俯视结构示意图。 Fig. 3 is a top view structural diagram of a semicircular grooved curved panel according to an embodiment of the present invention.
图4是本发明实施例的控制系统框图。 Fig. 4 is a block diagram of the control system of the embodiment of the present invention.
具体实施方式 detailed description
参考图1至图4，本发明涉及一种太阳能光伏发电与光热一体装置，包括太阳电池板1、保温水箱7，所述太阳电池板的底侧面上粘结有用以导流液体工质的中空金属吸热板2，所述保温水箱内设有一热交换器4，所述热交换器的工质输入端经工质输送管与中空金属吸热板的出液口相连，所述热交换器的工质输出端经工质输送管3与中空金属吸热板的进液口相连，所述太阳电池板与一光伏发电系统控制器12电路相连，所述光伏发电系统控制器与一总控制器11电路相连，所述总控制器与用以控制设置于保温水箱内的电加热器6的电加热控制器9电路相连。 Referring to Fig. 1 to Fig. 4, the present invention relates to a solar photovoltaic power generation and photothermal integrated device, comprising a solar cell panel 1 and an insulated water tank 7. Hollow metal heat absorbing plate 2, a heat exchanger 4 is arranged in the heat preservation water tank, the working medium input end of the heat exchanger is connected with the liquid outlet of the hollow metal heat absorbing plate through the working medium conveying pipe, the heat exchange The working medium output end of the device is connected to the liquid inlet of the hollow metal heat-absorbing plate through the working medium delivery pipe 3, and the solar panel is connected to a photovoltaic power generation system controller 12 circuit, and the photovoltaic power generation system controller is connected to a general The controller 11 is connected in circuit, and the general controller is connected in circuit with the electric heating controller 9 for controlling the electric heater 6 arranged in the thermal water tank.
上述中空金属吸热板2由上部的平面金属板2-1与下部的半圆形凹槽曲面板2-2焊接构成，且平面金属板的底面与半圆形凹槽曲面板的顶面之间形成用以导流液体工质的通道，所述半圆形凹槽曲面板的下方加一层反射膜14，反射膜表面为圆柱型镜面，所述半圆形凹槽曲面板的鳍型面为圆柱型褶皱，并涂有高吸收率材料膜，这两个面形成一个反射腔体。 The above-mentioned hollow metal heat absorbing plate 2 is formed by welding the upper plane metal plate 2-1 and the lower semicircular groove curved plate 2-2, and the bottom surface of the plane metal plate and the top surface of the semicircular groove curved plate A channel for guiding the liquid working medium is formed between them. A layer of reflective film 14 is added under the curved plate of the semicircular groove. The surface of the reflective film is a cylindrical mirror surface. The fin shape of the curved plate of the semicircular groove The faces are cylindrically corrugated and coated with a film of high-absorption material, and the two faces form a reflective cavity.
上述平面金属板通过双面导热胶与太阳电池板的底侧面连接。 The above-mentioned planar metal plate is connected to the bottom side of the solar cell panel through double-sided heat-conducting glue.
上述热交换器的工质输出端与中空金属吸热板的进液口之间的工质输送管上还设有驱动泵10，所述驱动泵与总控制器电路连接。 A driving pump 10 is also provided on the working medium delivery pipe between the working medium output end of the heat exchanger and the liquid inlet of the hollow metal heat absorbing plate, and the driving pump is connected to the main controller circuit.
上述保温水箱内设有将水箱分成两个储水区的分区隔板5。 The above-mentioned thermal insulation water tank is provided with partition partitions 5 that divide the water tank into two water storage areas.
上述总控制器还与用以对保温水箱进行水量控制的供水系统控制器8电路连接。 Above-mentioned general controller is also connected with the circuit of water supply system controller 8 for carrying out water quantity control to thermal insulation water tank.
上述光伏发电系统控制器还与电网13电路连接。 The above-mentioned photovoltaic power generation system controller is also connected to the grid 13 circuit.
本发明还涉及一种太阳能光伏发电与光热一体装置的中空金属吸热板的制造工艺，将金属薄板一次性锻压成为许多半圆形的细槽组成曲面板，再于另一平板组合而成；薄型中空金属吸热板的两端与铜管连接，该连接采用激光焊接、超声波焊接方法制造；中空金属吸热板与太阳电池板的结合，采用导热胶粘结。 The invention also relates to a manufacturing process of a hollow metal heat-absorbing plate of a solar photovoltaic power generation and photothermal integrated device, which is formed by forging a thin metal plate into many semicircular thin grooves to form a curved plate, and then combining it with another flat plate The two ends of the thin hollow metal heat-absorbing plate are connected with the copper pipe, and the connection is made by laser welding and ultrasonic welding; the combination of the hollow metal heat-absorbing plate and the solar panel is bonded by heat-conducting glue.
具体实施过程： The specific implementation process:
太阳电池板1和薄型中空金属吸热板2组成一体，太阳电池板1吸收太阳辐射能将其一部分能量转变为电能，通过光伏发电系统控制器12把电能输送到电网13，剩余的辐射能转变为热能，并将其传递给薄型中空金属吸热板2。薄型中空金属吸热板2的内部由许多半圆形的细管组成液体工质通道，这些通道与工质输送管3和热交换器4、驱动泵10组成闭合的循环通道，通过液体工质的循环把热量传授到热交换器4，以提高保温水箱中的水温，为用户提供热水。 The solar panel 1 and the thin hollow metal heat-absorbing plate 2 are integrated. The solar panel 1 absorbs solar radiation energy and converts part of its energy into electrical energy. The electrical energy is transmitted to the grid 13 through the photovoltaic power generation system controller 12, and the remaining radiant energy is converted into electrical energy. as heat energy, and transfer it to the thin hollow metal heat absorbing plate 2. The inside of the thin hollow metal heat absorbing plate 2 is composed of many semicircular thin tubes to form liquid working medium channels. The circulation imparts heat to the heat exchanger 4 to increase the water temperature in the thermal insulation tank to provide hot water for users.
在本实施例中，保温水箱由分区隔板5分成两个储水区，其中仅一储水个区设置电加热器，当热水的水温达不到用户需要时，启用加热器以提高水温，且仅加热该区中的水，这样的设置，能够达到节能的目的。 In this embodiment, the heat preservation water tank is divided into two water storage areas by partition partitions 5, wherein only one water storage area is provided with an electric heater, and when the water temperature of the hot water does not meet the needs of the user, the heater is activated to increase the water temperature , and only heat the water in this area, such a setting can achieve the purpose of energy saving.
在本实施例中，装置的运行控制器如图3所示，总控制器11可分别对供水控制器8、电加热控制器9、驱动泵10和光伏发电系统控制器12进行控制，实现了光伏发电系统和热水器的控制，并且具有显示的功能。 In this embodiment, the operation controller of the device is shown in Figure 3. The general controller 11 can control the water supply controller 8, the electric heating controller 9, the drive pump 10 and the photovoltaic power generation system controller 12 respectively, realizing The control of photovoltaic power generation system and water heater, and has the function of display.
在本实施例中，制造工艺是实现光伏发电和光热综合利用的关键。 In this embodiment, the manufacturing process is the key to realizing photovoltaic power generation and comprehensive utilization of light and heat.
薄型中空金属吸热板的方法分别有：（1）采用冷轧工艺将薄型金属制成具有若干半圆形凹槽的导流曲面板如图2所示，在半圆形凹槽的导流曲面板的凹槽上用石墨粉铺平，然后把平面金属板与该曲面板叠在一起，放在热压机上，通过热压把平板和曲面板的接触部位连接成一体，冷却后，把石墨粉取出，制成具有半圆柱形导流管的薄型中空金属吸热板。（2）采用冷轧工艺将薄型制成具有若干半圆形凹槽曲面板，然后将平面金属板与该曲面板焊接在一起，制成一面为平面、另一面为半圆形凹槽曲面的薄型中空金属吸热板。焊接工艺可以采用超声波焊接和激光焊接的工艺来完成。 The methods of thin hollow metal heat-absorbing plates are as follows: (1) The thin metal is made into a diversion curved panel with several semicircular grooves by cold rolling process, as shown in Figure 2. The groove of the curved panel is paved with graphite powder, and then the flat metal plate and the curved panel are stacked together, placed on a hot press, and the contact parts of the flat plate and the curved panel are connected into one body by hot pressing. After cooling, the The graphite powder is taken out to make a thin hollow metal heat absorbing plate with a semi-cylindrical draft tube. (2) The thin shape is made into a curved panel with several semicircular grooves by cold rolling process, and then the flat metal plate is welded with the curved panel to make a flat surface on one side and a curved surface with semicircular grooves on the other side. Thin hollow metal heat absorbing plate. The welding process can be completed by ultrasonic welding and laser welding.
采用双面导热胶取代太阳电池组件通常使用的乙烯聚醋酸乙烯脂（EVA）等胶黏剂，把太阳电池与薄型中空金属吸热板粘结在一起，这样就可以快速将太阳电池产生的热量传递给薄型中空金属吸热板，降低太阳电池的温度，提供发电效率。 Use double-sided heat-conducting adhesive instead of ethylene polyvinyl acetate (EVA) and other adhesives commonly used in solar cell components to bond the solar cell with the thin hollow metal heat-absorbing plate, so that the heat generated by the solar cell can be quickly dissipated Transfer to the thin hollow metal heat absorbing plate to reduce the temperature of the solar cell and improve the power generation efficiency.
在本实施例中，由薄型中空金属吸热板2、工质输送管3、热交换器4、驱动泵10组成闭合的循环通道，其密闭性很重要，工质输送管与薄型中空金属吸热板的连接处的密闭性和可靠性十分重要，采用超声波焊接的工艺来实现。 In this embodiment, a closed circulation channel is composed of a thin hollow metal heat absorbing plate 2, a working fluid delivery pipe 3, a heat exchanger 4, and a driving pump 10. Its airtightness is very important. The airtightness and reliability of the connection of the hot plate are very important, and the ultrasonic welding process is used to realize it.
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变化与修饰，皆应属本发明的涵盖范围。 The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.
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| CN107388602B (en) * | 2017-06-26 | 2019-04-30 | 东南大学 | Photovoltaic and photo-thermal integrated device |
| WO2019195891A1 (en) * | 2018-04-11 | 2019-10-17 | Hoole Enterprises Pty Ltd | Heat exchange system |
| CN109217778B (en) * | 2018-09-26 | 2024-05-03 | 浙江宏阳新能源科技股份有限公司 | Cluster solar photovoltaic system |
| CN114421886A (en) * | 2022-01-14 | 2022-04-29 | 陕西中伏科瑞科技有限公司 | A novel photovoltaic photothermal comprehensive utilization device and its manufacturing method |
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