CN201758371U - Photoelectric and photo-thermal integrated solar energy conversion device and solar energy utilization system - Google Patents
Photoelectric and photo-thermal integrated solar energy conversion device and solar energy utilization system Download PDFInfo
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- CN201758371U CN201758371U CN2010202388343U CN201020238834U CN201758371U CN 201758371 U CN201758371 U CN 201758371U CN 2010202388343 U CN2010202388343 U CN 2010202388343U CN 201020238834 U CN201020238834 U CN 201020238834U CN 201758371 U CN201758371 U CN 201758371U
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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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- 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
- Y02E10/60—Thermal-PV hybrids
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Abstract
An embodiment of the utility model provides a photoelectric and photo-thermal integrated solar energy conversion device and a solar energy utilization system, which are used for reducing cost of the conversion device and improving conversion efficiency. The device comprises a light gathering device and an analogue artificial blackbody, the light gathering device is used for gathering sunlight into a bright band, and the analogue artificial blackbody is used for converting solar energy carried by the bright band into electric energy and generating heat energy. Since photovoltaic batteries inside the analogue artificial blackbody can repeatedly convert reflection energy and radiation energy in the batteries into electric energy and heat energy, only extremely little energy is leaked from a slot of the analogue artificial blackbody. Accordingly, the photoelectric and photo-thermal integrated solar energy conversion device improves conversion ratio and utilization ratio of solar energy, greatly reduces the number of the photovoltaic batteries due to the fact that the sunlight is gathered into light beams, and accordingly reduces cost of the device.
Description
Technical field
The utility model relates to field of energy conversion, relates in particular to photoelectric and light-heat integration device for converting solar energy and solar energy utilization system.
Background technology
At present, the device that solar energy converting is become heat energy and is used, for example solar water heater comparative maturity; The device that solar energy converting is become electric energy and is used, for example also comparative maturity of solar energy photovoltaic generator.Traditional solar water heater and solar energy photovoltaic generator are two discrete entities, finish existing separately function independently.Yet for traditional solar energy photovoltaic generator, except a small amount of solar energy converting is an electric energy, most solar energy converting becomes heat energy to be taken away and waste by air, and energy conversion rate or utilance are not very high.
At discrete device for converting solar energy energy conversion rate or the lower problem of utilance, industry proposes that solar energy converting is become the photothermal conversion device of heat energy and solar energy converting to be become the photoelectric conversion device of electric energy integrated.Non-focusing type photoelectric and light-heat integration method is the water-cooled heat-exchanger rig to be installed and to be passed to cooling water at the back side of common photovoltaic cell in a kind of prior art.Above-mentioned cooling water is recycling until heating, and the cooling water with heating is used again.In order to improve the efficient of solar thermal utilization, above-mentioned cooling water also will be stored in the attemperater, also will take the insulation measure to water pump and pipeline.This integrated mode can additionally reclaim most heat energy under the prerequisite that does not influence generating efficiency.
A kind of existing focus type integral method is: adopt array collector lens (i.e. an array of being made up of some collector lenses) sunlight to be gathered into the hot spot of array, these hot spots are projected on the corresponding photovoltaic cell, these photovoltaic cells become electric energy with solar energy converting after accepting the irradiation of hot spot respectively.In photoelectric conversion process, photovoltaic cell can generate heat, and promptly produces certain heat energy, must heat energy be derived by the mode of water-cooled, promptly the water-cooled heat-exchanger rig is installed and is passed to cooling water at the back side of photovoltaic cell.Above-mentioned cooling water is recycling until heating, and the cooling water with heating is used again.In order to improve the efficient of solar thermal utilization, above-mentioned photovoltaic cell is installed in the bottom inside of an incubator, and the transparent case lid of above-mentioned array collector lens as this incubator.And above-mentioned cooling water is stored in the attemperater, also will take the insulation measure to water pump and pipeline.
Yet above-mentioned existing integral method has following defective when implementing: the array collector lens comprises some collector lenses, and its manufacture difficulty is big, and cost is higher, this one; The array collector lens also has the effect of glass cover plate to the insulation casing of placing photovoltaic cell, under solar radiation, can cause the lens board buckling deformation, makes that the hot spot that focuses on is at random, influences the generating efficiency of photovoltaic cell, this its two; They are three years old, since collector lens must with a supporting use of photovoltaic cell, so photovoltaic cell also must be arranged in corresponding photovoltaic battery array, make that the gross area of the size of incubator bottom and array collector lens is suitable, thereby the size of insulation casing can't be reduced, and the cost of integrated apparatus is still higher.
Summary of the invention
The utility model embodiment provides photoelectric and light-heat integration device for converting solar energy and solar energy utilization system, with cost and the raising conversion efficiency that reduces conversion equipment.
The utility model embodiment provides a kind of photoelectric and light-heat integration device for converting solar energy, comprising: a light collecting device is used for sunlight is gathered into a bright band; The artificial black matrix of class is used for the solar energy converting that described bright band carries is become electric energy and generates heat energy.
The utility model embodiment provides a kind of solar energy utilization system, comprising: a light collecting device is used for sunlight is gathered into a bright band; The artificial black matrix of class that has a slit, described slit are used to make described bright band to shine the artificial black matrix of into described class; One with described slit over against photovoltaic cell, be used for the solar energy converting that described bright band carries is become electric energy and produces heat thus; One heat-transfer device is used to conduct the heat that produces when solar energy converting that described photovoltaic cell carries described bright band becomes electric energy; One is placed in the thermal insulator between the shell of described heat-transfer device and the artificial black matrix of described class; One conducting medium is used to derive described photovoltaic cell conversion gained electric energy; One cooling device is connected with described heat-transfer device, is used to cool off the heat that produces when described heat-transfer device becomes electric energy with the solar energy converting that absorbs described photovoltaic cell described bright band is carried
From above-mentioned the utility model embodiment as can be known, because in the artificial black matrix of class, photovoltaic cell can be repeatedly converts wherein reflected energy and emittance to electric energy and heat energy, have only the minute quantity energy to overflow from the slit of the artificial black matrix of class, therefore, the photoelectric and light-heat integration device for converting solar energy that the utility model embodiment provides has improved the transfer ratio and the utilance of solar energy, and, owing to be that sunlight is gathered into light beam, significantly reduce the quantity of photovoltaic cell, thereby reduced the cost of this device.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing as these accompanying drawings.
Fig. 1 is the sectional view of a kind of photoelectric and light-heat integration device for converting solar energy of providing of the utility model embodiment one;
Fig. 2 is the sectional view of a kind of photoelectric and light-heat integration device for converting solar energy of providing of the utility model embodiment two;
Fig. 3 is that the solar energy utilization system that the utility model embodiment provides is formed schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the sectional view of a kind of photoelectric and light-heat integration device for converting solar energy that the utility model embodiment one provides.For convenience of explanation, only show the part relevant with the utility model embodiment.
Conversion equipment shown in Figure 1 comprises artificial black matrix 1 of class and cylinder collector lens 2, and wherein, cylinder collector lens 2 is used for sunlight is gathered into a bright band, and its manufacture difficulty and cost are all low than the array collector lens.The artificial black matrix 1 of class has a shell 14, is shaped as the column of a two ends shutoff, is used for the solar energy converting that the bright band that cylinder collector lens 2 is assembled carries is become electric energy and generates heat energy.
The artificial black matrix 1 of class has a slit 12, and width is about 2% of cylinder collector lens 2 width, its glazed area can be designed to be about the artificial black matrix 1 of class heat-transfer device 16 bottom areas (being the photovoltaic cell area) 10%.Slit 12 is passages of cylinder collector lens 2 bright bands that gathering becomes, that is, one elongated bright line that sunlight is gathered into also makes this bright line be positioned at the slit place, and the bright band that the artificial black matrix 1 of class is dispersed for certain width is afterwards again advanced in irradiation.Above slit 12 places, transparent cover plate 18 is set, adopts glass cement to be bonded on the shell 14 of the artificial black matrix 1 of class, can block impurity such as dust and fall into the artificial black matrix 1 of class from slit 12.Shell 14 is become by stainless sheet steel.
Be mounted with in the artificial black matrix 1 of class one with slit 12 over against photovoltaic cell 15, the width of photovoltaic cell slightly is narrower than the width of bright band, the most of transform light energy that is used for bright band becomes electric energy and produces heat thus.Photovoltaic cell 15 is placed on the heat-transfer device 16, and heat-transfer device 16 (for example, the inner bag that is made of conducting strip) has good heat conductivity, and positive (reception ray surface) should be processed into black.The function of heat-transfer device 16 mainly is the heat that conduction photovoltaic cell 15 produces when converting solar energy to electric energy.Cooling device 17 is connected with heat-transfer device 16, is used to cool off heat-transfer device 16, for example, can pass to mobile cooling fluid in cooling device 17 and cool off heat-transfer device 16.
Scatter and disappear for the heat that makes generation is unlikely, in the present embodiment, a thermal insulator 13 can be placed between the shell 14 of heat-transfer device 16 and the artificial black matrix 1 of class.For example, can between heat-transfer device 16 and shell 14, fill insulation materials such as rigid polyurethane foam, perlite, mineral wool and constitute thermal insulator 13.
In the present embodiment, the glazed area of cylinder collector lens 2 can be designed to be about 5 times of photovoltaic cell 15 areas, so, the electric weight that the energy output of same photovoltaic cell 15 can multiple several times than the non-focusing type integral solar energy conversion method of prior art.
In the present embodiment, shine after sunlight on the cylinder collector lens 2 is imported into the cavity 11 of the artificial black matrix 1 of class, be difficult to reflect again.This be because, the inner surface heat-transfer device 16 (inner bag) of the artificial black matrix 1 of photovoltaic cell 15 and class is though just have certain albedo to solar energy, after temperature raises, their surface also can give off far infrared, but because they are installed in the cavity 11 of the artificial black matrix 1 of class, the sunlight of their reflections and the far infrared of radiation are difficult to leak into outside the cavity 11 by slit 12,---reflection and radiation---the resorbent cyclic process many times of promptly passing through the absorption of the inner surface heat-transfer device 16 of the artificial black matrix 1 of photovoltaic cell 15 and class, last most of Conversion of energy is electric energy or heat energy, has only a spot of energy to overflow from the slit of the artificial black matrix of class.Therefore, this device has increased substantially the transfer ratio and the utilance of solar energy.
See also Fig. 2, the sectional view of a kind of photoelectric and light-heat integration device for converting solar energy that the embodiment of the invention two provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.
Roughly the same with the photoelectric and light-heat integration device for converting solar energy that the embodiment of the invention three shown in Figure 1 provides, different is that in Fig. 2 example, light collecting device can be a parabola cylindrical mirror 3.Parabola cylindrical mirror 3 receives the direct projection of sunlights, then sunlight is gathered into bright band, reflex to slit 12 over against photovoltaic cell 15 on.In the present embodiment, the minute surface of parabola cylindrical mirror 3 adopts the reflective aluminium sheet of minute surface to make, and the glazed area of slit 12 can be designed to be about 20% of photovoltaic cell area in the artificial black matrix 1 of class.
Because the photoelectric and light-heat integration device for converting solar energy principle that the Fig. 2 and the embodiment of the invention shown in Figure 1 provide is roughly the same, therefore, the technique effect that the photoelectric and light-heat integration device for converting solar energy of Fig. 2 example brings is also roughly the same, do not do herein and give unnecessary details, can consult the related description of previous embodiment.
Below be example with Fig. 2 or photoelectric and light-heat integration device for converting solar energy shown in Figure 1, operation principle of the present utility model is described.
S301, light collecting device is gathered into a bright band with sunlight.
In the present embodiment, light collecting device can be a cylinder collector lens or parabola cylindrical mirror.
S302, from the slit of the artificial black matrix of class with bright band expose to this slit over against photovoltaic cell on.
For example, employing cylinder collector lens just sunlight is gathered into very thin together bright line, the position of the artificial black matrix of debug class, make this road bright line be positioned at the slit place of the artificial black matrix of class, light from lens will dispersed through behind this slit, when they shone on the photovoltaic cell of slit, they have been dispersed was a bright band.Perhaps adopt the parabola cylindrical mirror that sunlight is gathered into very thin together bright line, and make this road bright line be positioned at the slit place, light from speculum will be dispersed through above-mentioned slit place afterwards, and when they shone on the photovoltaic cell of slit, having dispersed was a bright band.
In the present embodiment, the glazed area of cylinder condenser lens can be designed to 5 times of photovoltaic cell area size, perhaps that the parabola cylindrical mirror is saturating reflective area is designed to 10 times of photovoltaic cell area size.So, the electric weight that the energy output of the photovoltaic cell of same area can multiple several times than existing non-focusing type integral solar energy conversion method, and can reduce cost greatly than existing focus type photovoltaic generation method.
S303, the solar energy converting that the volt battery carries bright band becomes electric energy and produces heat thus.
S304, the inner surface of the artificial black matrix of class absorb reflection and the inner surface of such artificial black matrix and the far infrared of photovoltaic cell radiation of photovoltaic cell to bright band.
S305, the power conversion that photovoltaic cell absorbs the artificial black matrix inner surface of class becomes electric energy and produces heat once more thus.
For step S304 and step S305, need to prove, though photovoltaic cell and can antireflection part be exposed to solar energy in such artificial black matrix by the inner surface of the artificial black matrix of class of sunlight direct projection, and, after their temperature raises, the surface also can give off far infrared, yet the solar energy of these reflections and the far-infrared ray power of radiation will inevitably be absorbed by other position inner surfaces of the artificial black matrix of class.Simultaneously, these inner surfaces also can reflect and emittance, but have only a spot of energy to be overflowed by slit eventually, and most luminous energy can be absorbed by the inner surface of the artificial black matrix of class, is converted to heat energy.That is, the resorbent cyclic process many times of the absorption of the inner surface of process photovoltaic cell and the artificial black matrix of class---reflection and radiation---, last Conversion of energy mostly is electric energy or heat energy, has only a spot of energy to overflow from the slit of the artificial black matrix of class.
From above-mentioned the utility model embodiment as can be known, because in the artificial black matrix of class, photovoltaic cell can be repeatedly converts wherein reflected energy and emittance to electric energy and heat energy, have only the minute quantity energy to overflow from the slit of the artificial black matrix of class, therefore, the photoelectric and light-heat integration solar energy converting method that the embodiment of the invention provides has improved the transfer ratio and the utilance of solar energy, and, owing to be that sunlight is gathered into bright band rather than lines up the array format that expends area, significantly reduced the quantity of photovoltaic cell and make the size of the artificial black matrix of class do the small and exquisite possibility that becomes, thereby reduced the cost of the device that uses this conversion method.
See also Fig. 3, the solar energy utilization system that the utility model embodiment provides is formed schematic diagram.For convenience of explanation, only show the part relevant with the utility model embodiment.This system comprises the photoelectric and light-heat integration device for converting solar energy of Fig. 3 or Fig. 4 example, promptly comprise light collecting device 51 (cylinder collector lens 2 or parabola cylindrical mirror 3), have the artificial black matrix of the class of a slit 12 1, one and slit 12 over against photovoltaic cell 15, a heat-transfer device 16, be placed in the thermal insulator 13 between the shell 14 of heat-transfer device 16 and the artificial black matrix 1 of class.
The solar energy utilization system of Fig. 3 example also comprises conducting medium (not marking among the figure), for example, can be the plain conductor or the metallic laminas of having wrapped up megohmite insulant, be used to derive photovoltaic cell 15 conversion gained electric energy, cooling device 17 is connected with heat-transfer device 16, is used to cool off heat-transfer device 16.
In Fig. 3 example, cooling device 17 can be a copper pipe that is welded on the bending coiling on the heat-transfer device 16, water pump 53 constantly is pumped into copper pipe with the source, water source in the heat storage water tank 54, the water that flows in the copper pipe produces the artificial black matrix inner bag of class (photovoltaic cell 15 is main) and is taken away by the heat that heat-transfer device 16 absorbs, and sends heat storage water tank back to and makes water temperature rising in the water tank.As long as the volume of water tank is selected suitablely, just can make that water temperature reaches suitable temperature (for example, maximum temperature is 50 degrees centigrade) in the case, make it to reach to use hot water temperature required, can satisfy the needs that cool off photovoltaic cell 15 again.
More than photoelectric and light-heat integration device for converting solar energy and solar energy utilization system that the utility model embodiment is provided be described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a photoelectric and light-heat integration device for converting solar energy is characterized in that, described device comprises:
A light collecting device is used for sunlight is gathered into a bright band;
The artificial black matrix of class is used for the solar energy converting that described bright band carries is become electric energy and generates heat energy.
2. device as claimed in claim 1 is characterized in that, the artificial black matrix of described class has a slit, is used to make described bright band to shine the artificial black matrix of into described class;
Be mounted with in the artificial black matrix of described class one with described slit over against photovoltaic cell, be used for the solar energy converting that described bright band carries is become electric energy and produces heat thus;
Described photovoltaic cell is placed on the heat-transfer device, and described heat-transfer device is used to conduct the heat that produces when solar energy converting that described photovoltaic cell carries described bright band becomes electric energy;
With the cooling device that described heat-transfer device is connected, be used to cool off described heat-transfer device;
Be mounted with a thermal insulator between the shell of described heat-transfer device and the artificial black matrix of described class.
3. device as claimed in claim 1 or 2 is characterized in that, described light collecting device is a cylinder collector lens, be used for transmission mode with described bright band expose to described slit over against photovoltaic cell.
4. device as claimed in claim 1 or 2 is characterized in that, described light collecting device is a parabola cylindrical mirror, be used for the reflection mode with described bright band expose to described slit over against photovoltaic cell.
5. a solar energy utilization system is characterized in that, described system comprises;
A light collecting device is used for sunlight is gathered into a bright band;
The artificial black matrix of class that has a slit, described slit are used to make described bright band to shine the artificial black matrix of into described class;
One with described slit over against photovoltaic cell, be used for the solar energy converting that described bright band carries is become electric energy and produces heat thus;
One heat-transfer device is used to conduct the heat that produces when solar energy converting that described photovoltaic cell carries described bright band becomes electric energy;
One is placed in the thermal insulator between the shell of described heat-transfer device and the artificial black matrix of described class;
One conducting medium is used to derive described photovoltaic cell conversion gained electric energy;
One cooling device is connected with described heat-transfer device, is used to cool off the heat that produces when described heat-transfer device becomes electric energy with the solar energy converting that absorbs described photovoltaic cell described bright band is carried.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202388343U CN201758371U (en) | 2010-06-28 | 2010-06-28 | Photoelectric and photo-thermal integrated solar energy conversion device and solar energy utilization system |
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| CN2010202388343U CN201758371U (en) | 2010-06-28 | 2010-06-28 | Photoelectric and photo-thermal integrated solar energy conversion device and solar energy utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902172A (en) * | 2010-06-28 | 2010-12-01 | 深圳市建筑科学研究院有限公司 | Photoelectric and photothermal integrated solar energy conversion method and device and solar energy utilization system |
-
2010
- 2010-06-28 CN CN2010202388343U patent/CN201758371U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902172A (en) * | 2010-06-28 | 2010-12-01 | 深圳市建筑科学研究院有限公司 | Photoelectric and photothermal integrated solar energy conversion method and device and solar energy utilization system |
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Owner name: SHENZHEN INSTITUTE OF BUILDING RESEARCH CO., LTD. Free format text: FORMER NAME: SHENZHEN BUILDING SCIENCE RESEARCH INSTITUTE CO., LTD. |
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Address after: 518049 Guangdong city of Shenzhen province Futian District, Mei Ao Road No. 29 building, building three Patentee after: Shenzhen Institute of Building Research Co., Ltd. Address before: 518049 Guangdong city of Shenzhen province Futian District, Mei Ao Road No. 29 building, building three Patentee before: Shenzhen Building Science Research Institute Co., Ltd. Address after: 518049 Guangdong city of Shenzhen province Futian District, Mei Ao Road No. 29 building, building three Patentee after: Shenzhen Institute of Building Research Co., Ltd. Address before: 518049 Guangdong city of Shenzhen province Futian District, Mei Ao Road No. 29 building, building three Patentee before: Shenzhen Building Science Research Institute Co., Ltd. |
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