CN202651174U - Passive cooling system for solar panel - Google Patents
Passive cooling system for solar panel Download PDFInfo
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- CN202651174U CN202651174U CN 201220304992 CN201220304992U CN202651174U CN 202651174 U CN202651174 U CN 202651174U CN 201220304992 CN201220304992 CN 201220304992 CN 201220304992 U CN201220304992 U CN 201220304992U CN 202651174 U CN202651174 U CN 202651174U
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- pipe
- solar panel
- heat
- temperature lowering
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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
The utility model discloses a passive cooling system for a solar panel. The passive cooling system comprises an over-ground cooling component, an underground heat exchange component, a second connecting pipe and a third connecting pipe. The over-ground cooling component comprises an air inlet pipe, a cold air pipe, cooling plates, a hot air pipe, a heat absorption exhaust pipe and a first connecting pipe, the back of the solar panel is covered by the cooling plates, and air penetrating inner holes are arranged on the cooling plates. Constant temperature characteristics of an underground constant temperature layer and reduction of densely covered gas along with the temperature rise are ingeniously, organically and comprehensively used, so that the solar panel can be cooled without additionally consuming electric energy, passive cooling is realized, the shortcomings of a traditional active cooling mode are effectively overcome, the technical problem unsolved in the solar panel cooling field for a long time is solved, and the passive cooling system is novel in conception, simple in structure and suitable for large-scale popularization and application, and has excellent technical and economic values and social benefits.
Description
Technical field
The utility model belongs to the solar panel field, specifically, relates in particular to a kind of passive cooling system for solar panel is lowered the temperature.
Background technology
Solar panel is to utilize photovoltaic effect can be converted to solar radiation the energy conversion device of electric energy, it is that the core group of photovoltaic electrical energy system becomes assembly, and the height of its energy conversion efficiency has directly determined performance, economic benefit and the popularizing application prospect of photovoltaic system.
According to Semiconductive Theory, the conversion efficiency of solar panel is subject to the impact of many factors, and wherein temperature factor is the most remarkable, and along with temperature raises, the conversion efficiency of solar panel significantly reduces until lost efficacy.Data show, the every rising 1K of the temperature of cell panel, and its energy output just reduces 0.5%.Yet when terrestrial solar radiation intensity was better usually, the thermal effect of light was also fine, and the temperature rise of cell panel is higher, and energy loss increases, and the energy loss of fairly large array (20～25 years) accumulation in whole life cycle is with considerable.
By on can obviously find out, temperature factor obviously is disadvantageous on the impact of solar panel, or even fatal, the impact that therefore reduces the terrestrial solar radiation thermal effect by technological means just seems and is necessary very much.At present, utilization has source heat-dissipating or refrigeration modes can reduce the temperature of solar panel, and temperature remained on very low level, but the impact that reduces by the way the terrestrial solar radiation thermal effect is lost more than gain, can be considerably beyond eliminating the electric energy that increases after the terrestrial solar radiation thermal effect because achieve this end the electric energy of paying.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of solar panel cooling system, and it can be lowered the temperature to solar panel under the prerequisite that does not consume energy.
The technical solution of the utility model is as follows: the passive cooling system of a kind of solar panel, comprise solar panel (1), this solar panel (1) is inclined on the battery board bracket (2), it is characterized in that: also comprise the assembly of lowering the temperature on the ground, underground heat exchanger assembly, the second tube connector (11) and the 3rd tube connector (12), the assembly of wherein lowering the temperature on the ground comprises air inlet pipe (3), refrigerator pipe (4), temperature lowering board (5), heating pipe (6), heat absorption blast pipe (7) and the first tube connector (8), wherein temperature lowering board (5) covers the back side of described solar panel (1), and temperature lowering board (5) was provided with gas endoporus (5a); Described refrigerator pipe (4) is communicated with gas endoporus (5a) bottom of crossing of temperature lowering board (5), this top of crossing the gas endoporus is communicated with described heating pipe (6), heating pipe (6) is communicated with heat absorption blast pipe (7) by described the first tube connector (8), and heat absorption blast pipe (7) is positioned at the top of described air inlet pipe (3);
Described underground heat exchanger assembly comprises collecting pipe (9) and heat-exchange tube (10), wherein two collecting pipes (9) are arranged side by side, and wherein a collecting pipe (9) is communicated with air inlet pipe (3) by described the second tube connector (11), and an other collecting pipe (9) is communicated with refrigerator pipe (4) by described the 3rd tube connector (12); Between two collecting pipes (9), be provided with one group of described heat-exchange tube (10), and two mouths of pipe of each heat-exchange tube (10) are communicated with the collecting pipe (9) of corresponding end respectively.
In the technical program, and the back side of solar panel (1) can by whole a covering of temperature lowering board (5) that area is larger, also can be covered by temperature lowering board (5) combination of several area less.During installation, the assembly of will lowering the temperature on the ground is installed on the ground, and the assembly of lowering the temperature on the ground links to each other with underground heat exchanger assembly by second and third tube connector, underground heat exchanger assembly then is installed on underground, and the heat-exchange tube in the underground heat exchanger assembly will be positioned at thermostat layer, the temperature of this thermostat layer remains on 15 ℃～25 ℃ throughout the year, and the concrete degree of depth of thermostat layer is slightly variant because of the different geographical situation in various places.
When sunlight was better, solar panel was converted into electric energy with the irradiation intensity of sunlight, and the thermal effect of sunlight can make the temperature of solar panel raise, and the air that this moment, the Solar panel backside temperature lowering board was crossed in the gas endoporus also can and then heat up.Simultaneously, the heat absorption blast pipe be because heat absorption also can make the air in its endoporus be heated and since the temperature of air when raising its density reduce, the air in the blast pipe that therefore absorbs heat can be to rising, and automatically be discharged to outside the heat absorption blast pipe, in the heat absorption blast pipe, form negative pressure simultaneously.Under the effect of negative pressure, temperature lowering board is crossed in the referred heat absorption blast pipe of air in the gas endoporus, and the crossing in the gas endoporus of the referred temperature lowering board of cold air in the underground heat exchanger assembly.
Because heat absorption blast pipe (7) is positioned at the top of described air inlet pipe (3), so the temperature that air inlet pipe (3) is located gas will be lower than the temperature that heat absorption blast pipe (7) is located.In just in the referred temperature lowering board of the cold air in underground heat exchanger assembly, in the air that replenishes enters wherein a collecting pipe (9) from air inlet pipe (3), and carry out heat exchange at thermostat layer by heat-exchange tube (10), thereby the air cooling-down to replenishing.Additional air after the cooling comes together in the other collecting pipe (9), and mentioned successively in refrigerator pipe (4) and the temperature lowering board (5), thereby form the gas circulation path, and in time, constantly take away temperature lowering board (5) and cross heat in the gas endoporus, and then by temperature lowering board (5) to solar panel carry out air-cooled, the cooling, and whole temperature-fall period has been realized passive cooling fully without the additive decrementation electric energy, has effectively overcome the defective of existing active cooling.
In sum, the utility model is ingenious, organic, the thermostatic characteristics of underground constant zone of subsurface temperature and the characteristic that gas gathers and raises and reduce with temperature have synthetically been utilized, and be used for solar panel is lowered the temperature, the more important thing is that it just can be lowered the temperature to solar panel without the additive decrementation electric energy, realized passive cooling, effectively overcome the defective of traditional active cooling method, solved the interior technical barrier that does not have solution of solar panel cooling field a very long time, novel, simple in structure, easy to implement, has extraordinary technology, economic worth and social benefit are suitable for large-scale promotion and use.
Described heat absorption blast pipe (7) is fixed on the top of described battery board bracket (2), a mouth of pipe closure of this heat absorption blast pipe (7), its another mouth of pipe vertically is connected to exhaust chimney (13), and heat absorption blast pipe (7) and exhaust chimney (13) are metal tube, and scribble heat absorbing coating at both outer wall.
Above structure can effectively be improved the endothermic effect of heat absorption blast pipe (7), in the situation that identical intensity of illumination, can make the temperature of the interior air of heat absorption blast pipe (7) rise De Genggao, thereby increase the lifting force to cold air in the underground heat exchanger assembly, make cold air in the underground heat exchanger assembly faster, like a cork in the referred temperature lowering board (5), and then improve well the cooling-down effect of native system.Certainly, intensity of illumination is larger, and this cooling system is also larger to the lifting force of cold air in the underground heat exchanger assembly.
Described air inlet pipe (3) is near ground, and vertically be arranged on the below of solar panel (1), and the air inlet of air inlet pipe (3) upper end vertically is connected to air inlet chimney (14), so just can effectively increase air inlet pipe (3) and heat absorption blast pipe (7) and locate the temperature difference of air, so also can further increase the lifting force to cold air in the underground heat exchanger assembly.
In this described example, described temperature lowering board (5) be the strip structure, has described mistake gas endoporus (5a) along the length direction of this temperature lowering board; The back side of described solar panel (1) is covered by 5 temperature lowering boards that are arranged side by side (5), and this temperature lowering board is arranged along the incline direction of solar panel (1).
Above structure not only is convenient to temperature lowering board (5) is carried out selection, processing, and because solar panel usually is erected at some remote mountain areas and ungetable area, facilitates like this transportation, installation temperature lowering board (5).
The structure of described refrigerator pipe (4) is consistent with heating pipe (6), two mouth of pipe sealings of this refrigerator pipe, and have excessively gas branch pipe (15) and ten ventilation arms (16), and per two ventilation arms (16) are corresponding with the excessively gas endoporus (5a) of a temperature lowering board (5);
The gas branch pipe (15) of crossing of described refrigerator pipe (4) links to each other with the 3rd tube connector (12), and ten ventilation arms (16) of this refrigerator pipe are communicated with gas endoporus (5a) bottom of crossing of corresponding temperature lowering board (5) respectively; Ten ventilation arms (16) of described heating pipe (6) are communicated with gas endoporus (5a) top of crossing of corresponding temperature lowering board (5) respectively, and the gas branch pipe (15) of crossing of this heating pipe is communicated with described the first tube connector (8).In the present embodiment, above structure mainly is to match for structure and arrangement with temperature lowering board (5).Certainly, if the back side of described solar panel (1) can be by whole a covering of temperature lowering board (5) that area is larger, then refrigerator pipe (4) and heating pipe (6) can only have one to cross gas branch pipe (15) and a ventilation arm (16), and the gas branch pipe (15) of crossing on the refrigerator pipe (4) links to each other with the 3rd tube connector (12), and the ventilation arm (16) on the refrigerator pipe (4) then is communicated with gas endoporus (5a) bottom of crossing of temperature lowering board (5).And the ventilation arm (16) on the described heating pipe (6) is communicated with gas endoporus (5a) top of crossing of temperature lowering board (5), and the gas branch pipe (15) of crossing on this heating pipe (6) then is communicated with described the first tube connector (8).
Described heat-exchange tube (10) is wavy, the number of this heat-exchange tube is 4～6, and all be fixed with a reinforcement (17) on the every heat-exchange tube (10), the two ends of this reinforcement are fixedly connected with the described collecting pipe (9) of corresponding end respectively.
The number of heat-exchange tube in the said structure (10) is moderate, can carry out well heat exchange, can effectively avoid again because heat-exchange tube (10) number too much increases flow resistance, guarantee that cold air in the heat-exchange tube (10) is successfully in the referred temperature lowering board (5).In addition, reinforcement (17) can effectively increase the installation strength of heat-exchange tube (10), prevents that heat-exchange tube (10) from coming off.
As preferably, described first, second and third tube connector (8,11,12) is double-deck adiabatic pvc pipe, so just can effectively prevent from locating to occur heat exchange at first, second and third tube connector (8,11,12).
Beneficial effect: the utility model is ingenious, organic, the thermostatic characteristics of underground constant zone of subsurface temperature and the characteristic that gas gathers and raises and reduce with temperature have synthetically been utilized, and be used for solar panel is lowered the temperature, the more important thing is that it just can be lowered the temperature to solar panel without the additive decrementation electric energy, realized passive cooling, effectively overcome the defective of traditional active cooling method, solved the interior technical barrier that does not have solution of solar panel cooling field a very long time, novel, simple in structure, easy to implement, has extraordinary technology, economic worth and social benefit are suitable for large-scale promotion and use.
Description of drawings
Fig. 1 is axonometric drawing of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the connection diagram of refrigerator pipe 4 and temperature lowering board 5 among Fig. 2;
Fig. 4 is the connection diagram of heating pipe 6 and temperature lowering board 5 among Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Shown in Fig. 1,2,3 and 4, the utility model is mainly by solar panel 1, battery board bracket 2, lower the temperature assembly, underground heat exchanger assembly, the second tube connector 11 and the 3rd tube connector 12 consists of on the ground, wherein solar panel 1 is inclined on the battery board bracket 2, and the structure of the set-up mode of the structure of solar panel 1, solar panel 1 and battery board bracket 2 is prior art, does not do at this and gives unnecessary details.
Described ground cooling assembly is located on the ground when installing, and this assembly of lowering the temperature on the ground is made of air inlet pipe 3, refrigerator pipe 4, temperature lowering board 5, heating pipe 6, heat absorption blast pipe 7, the first tube connector 8, exhaust chimney 13 and air inlet chimney 14.Described air inlet pipe 3 vertically is located at the below of solar panel 1, and under being preferably, and air inlet pipe 3 is near ground.Air inlet in above-mentioned air inlet pipe 3 upper ends is connected to described air inlet chimney 14, and this air inlet chimney 14 is outsourcing piece, and its structure is identical with chimney, and its top has projection conical top cover up.
Can find out such as Fig. 1～4, be pasted with described temperature lowering board 5 at the back side of above-mentioned solar panel 1 by viscose glue, this temperature lowering board 5 covers the back side of solar panel 1.With reference to Fig. 1～4, temperature lowering board described in the technical program 5 can be the sheet material that area is larger, and this temperature lowering board 5 covers the back side integral body of solar panel 1, and has gas endoporus 5a on the temperature lowering board 5.As preferably, described temperature lowering board is 5 certain sheet materials that also can be the area less also, and this temperature lowering board 5 is the strip structure also, and have the described gas endoporus 5a that crosses along temperature lowering board also 5 length direction, and a face crossing gas endoporus 5a hole wall is provided with a plurality of protruding 5b side by side, and number that in the present embodiment should projection 5b is 4.
Simultaneously, one group of temperature lowering board that is arranged side by side 5 makes up the back side of described solar panel 1 and covers, and this temperature lowering board 5 is arranged along the incline direction of solar panel 1, and described protruding 5b is positioned on the back side of solar panel 1.In the present embodiment, the number of above-mentioned temperature lowering board 5 is preferably 5.Certainly, the number of temperature lowering board 5 can be done adaptively according to actual conditions and increase, subtracts, and is not limited to the number that represents in the accompanying drawing.
Can find out such as Fig. 1～4, described refrigerator pipe 4 is communicated with the bottom that temperature lowering board 5 is crossed the gas endoporus, and the top that this temperature lowering board 5 is crossed the gas endoporus is communicated with described heating pipe 6.Described refrigerator pipe 4 is positioned at the bottom of solar panel 1, and along the Width setting of solar panel 1.Above-mentioned heating pipe 6 is arranged side by side with refrigerator pipe 4, and is positioned at the top of described solar panel 1.
As preferably, the structure of described refrigerator pipe 4 is consistent with heating pipe 6, two mouths of pipe sealing of this refrigerator pipe 6, and have one and cross gas branch pipe 15 and ten ventilation arms 16, and cross gas endoporus 5a on per two ventilation arms, the 16 corresponding temperature lowering boards 5 on the refrigerator pipe 6.Certainly, refrigerator pipe 6 also can have five or 15 ventilation arms 16, so just makes each or the three ventilation arms 16 on the refrigerator pipe 6 corresponding with the mistake gas endoporus 5a of a temperature lowering board 5, and by that analogy
During installation, cross gas branch pipe 15 for one of described refrigerator pipe 4 and link to each other with the 3rd tube connector 12, ten ventilation arms 16 of this refrigerator pipe 4 are communicated with the gas endoporus 5a bottom of crossing of five temperature lowering boards 5 respectively.Ten ventilation arms 16 of described heating pipe 6 are communicated with the gas endoporus 5a top of crossing of five temperature lowering boards 5 respectively, cross gas branch pipe 15 and are communicated with described the first tube connector 8 for one of these hot gas 6 pipes.
Also can further find out from Fig. 1～4, above-mentioned the first tube connector 8 is double-deck adiabatic pvc pipe, this first tube connector 8 is communicated with the through hole at described heat absorption blast pipe 7 middle parts, a mouth of pipe closure of heat absorption blast pipe 7, and another mouth of pipe of heat absorption blast pipe 7 vertically is connected to described exhaust chimney 13.Described heat absorption blast pipe 7 and exhaust chimney 13 are metal tube, and all scribble heat absorbing coating at the outer wall of heat absorption blast pipe 7 and exhaust chimney 13.Described exhaust chimney 13 is outsourcing piece, and its structure is identical with chimney, and its top has projection conical top cover up.Simultaneously, described heat absorption blast pipe 7 is positioned at the top of described air inlet pipe 3, and this heat absorption blast pipe 7 is fixed on the top of battery board bracket 2, and along the Width setting of described solar panel 1.
Also can further find out from Fig. 1～4, described underground heat exchanger assembly is installed in underground, and this underground heat exchanger assembly is made of collecting pipe 9, heat-exchange tube 10 and reinforcement 17, and wherein two collecting pipes 9 are arranged side by side.In the present embodiment, two collecting pipes 9 all are vertical layout, and wherein a collecting pipe 9 is communicated with air inlet pipe 3 by described the second tube connector 11, and 9 of other collecting pipes pass through the 3rd tube connector 12 and are communicated with described refrigerator pipe 4, thereby with assembly and underground assembly link together on the ground.In addition, described the second tube connector 11 and the 3rd tube connector 12 are double-deck adiabatic pvc pipe.
Between two collecting pipes 9, be provided with one group of described heat-exchange tube 10, the two ends of each heat-exchange tube 10 are communicated with the collecting pipe 9 of corresponding end respectively, an end that is specially each heat-exchange tube 10 is communicated with collecting pipe 9 wherein respectively, the other end of each heat-exchange tube 10 is communicated with an other collecting pipe 9 respectively, and the degree of depth that arranges of heat-exchange tube 10 is positioned at underground thermostat layer when installing, so just allow additional air flow in a collecting pipe 9 therein first, then enter in each heat-exchange tube 10, and carry out heat exchange by tube wall and the thermostat layer of each heat-exchange tube 10, thereby to the air cooling-down in the heat-exchange tube 10, the temperature of heat-exchange tube 10 interior air is also become about 15 ℃～25 ℃, its temperature is lower, and then the air after the cooling flows in the other collecting pipe 9.
In addition, above-mentioned heat-exchange tube 10 is outsourcing piece, and it is shaped as waveform, also can be spirality or other shapes, and heat-exchange tube 10 outer surfaces were done antirust processing.In the present embodiment, the number of described heat-exchange tube 10 is 4～6, is preferably 5.Simultaneously, all be fixed with a described reinforcement 17 on each heat-exchange tube 10, an end of this reinforcement 17 is fixedly connected with collecting pipe 9 wherein, and the other end of reinforcement 17 is fixedly connected with an other collecting pipe 9.
The above only is preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. passive cooling system of solar panel, comprise solar panel (1), this solar panel (1) is inclined on the battery board bracket (2), it is characterized in that: also comprise the assembly of lowering the temperature on the ground, underground heat exchanger assembly, the second tube connector (11) and the 3rd tube connector (12), the assembly of wherein lowering the temperature on the ground comprises air inlet pipe (3), refrigerator pipe (4), temperature lowering board (5), heating pipe (6), heat absorption blast pipe (7) and the first tube connector (8), wherein temperature lowering board (5) covers the back side of described solar panel (1), and temperature lowering board (5) was provided with gas endoporus (5a); Described refrigerator pipe (4) is communicated with gas endoporus (5a) bottom of crossing of temperature lowering board (5), this top of crossing the gas endoporus is communicated with described heating pipe (6), heating pipe (6) is communicated with heat absorption blast pipe (7) by described the first tube connector (8), and heat absorption blast pipe (7) is positioned at the top of described air inlet pipe (3);
Described underground heat exchanger assembly comprises collecting pipe (9) and heat-exchange tube (10), wherein two collecting pipes (9) are arranged side by side, and wherein a collecting pipe (9) is communicated with air inlet pipe (3) by described the second tube connector (11), and an other collecting pipe (9) is communicated with refrigerator pipe (4) by described the 3rd tube connector (12); Between two collecting pipes (9), be provided with one group of described heat-exchange tube (10), and two mouths of pipe of each heat-exchange tube (10) are communicated with the collecting pipe (9) of corresponding end respectively.
2. the passive cooling system of solar panel according to claim 1, it is characterized in that: described heat absorption blast pipe (7) is fixed on the top of described battery board bracket (2), a mouth of pipe closure of this heat absorption blast pipe (7), its another mouth of pipe vertically is connected to exhaust chimney (13), and heat absorption blast pipe (7) and exhaust chimney (13) are metal tube, and scribble heat absorbing coating at both outer wall.
3. the passive cooling system of solar panel according to claim 1 and 2, it is characterized in that: described air inlet pipe (3) is near ground, and vertically be arranged on the below of solar panel (1), and the air inlet of air inlet pipe (3) upper end vertically is connected to air inlet chimney (14).
4. the passive cooling system of solar panel according to claim 3 is characterized in that: described temperature lowering board (5) is the strip structure, has the described gas endoporus (5a) of crossing along the length direction of this temperature lowering board; The back side of described solar panel (1) is covered by 5 temperature lowering boards that are arranged side by side (5), and this temperature lowering board is arranged along the incline direction of solar panel (1).
5. the passive cooling system of solar panel according to claim 4, it is characterized in that: the structure of described refrigerator pipe (4) is consistent with heating pipe (6), two mouth of pipe sealings of this refrigerator pipe, and have excessively gas branch pipe (15) and ten ventilation arms (16), and per two ventilation arms (16) are corresponding with the excessively gas endoporus (5a) of a temperature lowering board (5);
The gas branch pipe (15) of crossing of described refrigerator pipe (4) links to each other with the 3rd tube connector (12), and ten ventilation arms (16) of this refrigerator pipe are communicated with gas endoporus (5a) bottom of crossing of corresponding temperature lowering board (5) respectively; Ten ventilation arms (16) of described heating pipe (6) are communicated with gas endoporus (5a) top of crossing of corresponding temperature lowering board (5) respectively, and the gas branch pipe (15) of crossing of this heating pipe is communicated with described the first tube connector (8).
6. the passive cooling system of solar panel according to claim 5, it is characterized in that: described heat-exchange tube (10) is wavy, the number of this heat-exchange tube is 4～6, and all be fixed with a reinforcement (17) on the every heat-exchange tube (10), the two ends of this reinforcement are fixedly connected with the described collecting pipe (9) of corresponding end respectively.
7. the passive cooling system of solar panel according to claim 6, it is characterized in that: described first, second and third tube connector (8,11,12) is double-deck adiabatic pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304992 CN202651174U (en) | 2012-06-27 | 2012-06-27 | Passive cooling system for solar panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304992 CN202651174U (en) | 2012-06-27 | 2012-06-27 | Passive cooling system for solar panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651174U true CN202651174U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304992 Expired - Fee Related CN202651174U (en) | 2012-06-27 | 2012-06-27 | Passive cooling system for solar panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN202651174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709375A (en) * | 2012-06-27 | 2012-10-03 | 重庆理工大学 | Passive cooling system of solar battery board |
-
2012
- 2012-06-27 CN CN 201220304992 patent/CN202651174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709375A (en) * | 2012-06-27 | 2012-10-03 | 重庆理工大学 | Passive cooling system of solar battery board |
| CN102709375B (en) * | 2012-06-27 | 2014-10-08 | 重庆理工大学 | Passive cooling system of solar battery board |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130627 |