CN105048960A - Composite energy utilization device for absorption heat pump based on photovoltaic backplane waste heat recovery - Google Patents
Composite energy utilization device for absorption heat pump based on photovoltaic backplane waste heat recovery Download PDFInfo
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- CN105048960A CN105048960A CN201510560773.XA CN201510560773A CN105048960A CN 105048960 A CN105048960 A CN 105048960A CN 201510560773 A CN201510560773 A CN 201510560773A CN 105048960 A CN105048960 A CN 105048960A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a composite energy utilization device for an absorption heat pump based on photovoltaic backplane waste heat recovery, comprising a photovoltaic thermal coupling device, a heat pump loop, and a water cooling loop. The heat pump loop is composed of a generator, an absorber, a first liquid pump, a first throttle valve, and a solution heat exchanger. The water cooling loop is composed of a condenser, a hot water tank, a second throttle valve, a cold water tank, a second liquid pump, and a third throttle valve. By adopting the device of the invention, heat sources generated through photovoltaic cell panels are recycled, the temperature of solar cell panels is reduced effectively, the power conversion efficiency of solar energy is improved, and the efficiency of comprehensive utilization of photovoltaic modules is improved.
Description
Technical field
The energy composite energy that the present invention relates to based on the absorption heat pump of photovoltaic back waste heat recovery utilizes device, belongs to solar photovoltaic technology field.
Background technology
New forms of energy are that in 21st century development of world economy, most determines one of five large technical fields of power.China has the new and renewable sources of energy resources such as abundant solar energy, wind energy, biomass energy, geothermal energy and oceanic energy, and exploitation prospect is wide.Solar energy is a kind of clean, efficiently and the new forms of energy of never exhaustion.In new reality, solar energy resources is all utilized the important content as National Sustainable Development Strategies by national governments.And photovoltaic generation have safe and reliable, noiseless, pollution-free, restriction less, the advantage such as failure rate is low, easy maintenance, under the current conditions that the western length and breadth of land severe cold of China, landform are various and sparsely populated, have very unique effect.Solar energy has had now and has much applied, such as with the satellite of solar cell for supplying power, solar cell aircraft, solar cell garden lamp, solar cell traffic lights.
The development of solar-photovoltaic technology, the main impact by solar cell photoelectric conversion efficiency.According to the difference of manufacturer, also there is very large difference, generally between 10% ~ 20% in the conversion efficiency of solar panel.Photovoltaic efficiency low, directly has influence on the forest ecosystem of solar energy.When solar panel works under the effect of solar radiation, PV plate temperature is larger on the impact of solar panel.Photovoltaic solar cell plate can cause efficiency to reduce because temperature is too high.For the photovoltaic panel of a standard, temperature often rises 1 degree Celsius, and efficiency will decline 0.5%.In sum, there are some shortcomings in solar panel at present: the conversion efficiency of solar panel is low, and the expansion that govern heliotechnics utilizes; Solar energy PV plate, when accepting illumination effect for a long time, the temperature on surface is higher, the conversion efficiency of restriction solar panel; Independent photovoltaic generation also exists that photovoltaic generation cost is high, the fusion mutually of shortage technology; The defects such as the immature development of photovoltaic thermal technology.
Summary of the invention
The energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery provided by the invention utilizes device, not only reclaim the high temperature heat source utilizing photovoltaic battery panel, and significantly reduce the temperature of solar panel, improve the generating conversion efficiency of solar energy, thus improve photovoltaic module comprehensive utilization ratio.
Energy composite energy based on the absorption heat pump of photovoltaic back waste heat recovery utilizes device, comprises photovoltaic thermal coupling apparatus, heat pump circuit and water cooling labyrinth, wherein,
Described heat pump circuit comprises generator, absorber, the first liquid pump, first throttle valve and heat exchanger, described absorber absorbs and is transported in generator by the first liquid pump through heat exchanger from photovoltaic thermal coupling apparatus Low pressure steam, and the absorbing liquid in described generator is transported in absorber through heat exchanger by first throttle valve;
Described water cooling labyrinth comprises condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, in described heat pump circuit, generator steam out enters in condenser, described condenser, boiler, second throttle, cold water storage cistern and the second liquid pump are linked in sequence, and form loop, described 3rd choke valve is arranged on one end that condenser is connected with liquid pump, for connecting photovoltaic thermal coupling apparatus.
Preferably, described photovoltaic thermal coupling apparatus comprises solar panel, integrated plate for heat insulation, manifold type and partly imbeds conduit network, heat-preservation cotton, import and outlet, described manifold type partly imbeds conduit network side and described solar panel is fitted, fit in the side of opposite side and described integrated plate for heat insulation, described heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, and described import and outlet are separately positioned on the diagonal angle place that manifold type partly imbeds conduit network.
Preferably, the cold-producing medium that described heat pump circuit adopts is water, and absorbent is lithium bromide.
Preferably, described boiler is provided with hot water outlet, and described cold water storage cistern is provided with cold water inlet.
Preferably, described integrated plate for heat insulation is TDD integrated plate for heat insulation.
Preferably, described manifold type is partly imbedded conduit network and is comprised thermal conductive metal plate and endothermic catheter, and described endothermic catheter half is imbedded in thermal conductive metal plate, and a semi-convex thermal conductive metal plate is outer and form linear contact lay with integrated plate for heat insulation.
The invention provides a kind of PV plate cooling device based on improving photovoltaic efficiency, significantly reducing the temperature of solar panel, improve the generating conversion efficiency of solar energy, thus improve photovoltaic module comprehensive utilization ratio.
Accompanying drawing explanation
Fig. 1 is overall system architecture flow chart of the present invention.
Fig. 2 is the structural representation of photovoltaic thermal coupling apparatus of the present invention.
Fig. 3 is the sectional view of photovoltaic thermal coupling apparatus of the present invention.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Energy composite energy based on the absorption heat pump of photovoltaic back waste heat recovery utilizes device, comprises photovoltaic thermal coupling apparatus, heat pump circuit and water cooling labyrinth, wherein,
Described heat pump circuit comprises generator, absorber, the first liquid pump, first throttle valve and heat exchanger, described absorber absorbs and is transported in generator by the first liquid pump through heat exchanger from photovoltaic thermal coupling apparatus Low pressure steam, and the absorbing liquid in described generator is transported in absorber through heat exchanger by first throttle valve;
Described water cooling labyrinth comprises condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, in described heat pump circuit, generator steam out enters in condenser, described condenser, boiler, second throttle, cold water storage cistern and the second liquid pump are linked in sequence, and form loop, described 3rd choke valve is arranged on one end that condenser is connected with liquid pump, for connecting photovoltaic thermal coupling apparatus.
Preferably, described photovoltaic thermal coupling apparatus comprises solar panel, integrated plate for heat insulation, manifold type and partly imbeds conduit network, heat-preservation cotton, import and outlet, described manifold type partly imbeds conduit network side and described solar panel is fitted, fit in the side of opposite side and described integrated plate for heat insulation, described heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, and described import and outlet are separately positioned on the diagonal angle place that manifold type partly imbeds conduit network.
Preferably, the cold-producing medium that described heat pump circuit adopts is water, and absorbent is lithium bromide.
Preferably, described boiler is provided with hot water outlet, and described cold water storage cistern is provided with cold water inlet.
Preferably, described integrated plate for heat insulation is TDD integrated plate for heat insulation.
Preferably, described manifold type is partly imbedded conduit network and is comprised thermal conductive metal plate and endothermic catheter, and described endothermic catheter half is imbedded in thermal conductive metal plate, and a semi-convex thermal conductive metal plate is outer and form linear contact lay with integrated plate for heat insulation.
Specific works process of the present invention is as follows:
In heat pump circuit, the lithium bromide absorption agent in absorber is utilized the Low pressure steam in photovoltaic thermal coupling apparatus exit and a small amount of water to be absorbed on the one hand, and be transported in generator by liquid pump through heat exchanger, through heating, the steam in solution is discharged with high-pressure gaseous, send in condenser; On the other hand, lithium-bromide solution after generation becomes the absorbent absorbing liquid of tool after cooling, throttling, enter in absorber, absorb the Low pressure steam from photovoltaic coupling device, simultaneously in order to prevent absorbing liquid temperature too high and ensure carrying out smoothly of absorption process, the thermal source discharged in absorption process adopts coolant (air or water) cooling.
In water cooling labyrinth, cooling water through liquid pump at cold water storage cistern, imports in condenser, makes the water vapor condensation entered condenser from generator be liquefied as highly pressurised liquid, after choke valve throttling in photovoltaic thermal coupling apparatus evaporation endothermic and reach the effect of cooling PV plate.Simultaneously, the heat absorption that cold water will discharge in condensation liquefaction process, temperature raises, and is stored in boiler, a part supplies needed for life through hot water outlet, a part when cold water storage cistern temperature too low, or to import in cold water storage cistern through choke valve in freezing situation, maintain cold water storage cistern temperature stabilization, so that system works is stablized, and ensure, winter cold water storage cistern and conduit can not be too low and freezing because of temperature, impact normally work.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the energy composite energy based on the absorption heat pump of photovoltaic back waste heat recovery utilizes device, it is characterized in that: comprise photovoltaic thermal coupling apparatus, heat pump circuit and water cooling labyrinth, wherein,
Described heat pump circuit comprises generator, absorber, the first liquid pump, first throttle valve and heat exchanger, described absorber absorbs and is transported in generator by the first liquid pump through heat exchanger from photovoltaic thermal coupling apparatus Low pressure steam, and the absorbing liquid in described generator is transported in absorber through heat exchanger by first throttle valve;
Described water cooling labyrinth comprises condenser, boiler, second throttle, cold water storage cistern, the second liquid pump and the 3rd choke valve, in described heat pump circuit, generator steam out enters in condenser, described condenser, boiler, second throttle, cold water storage cistern and the second liquid pump are linked in sequence, and form loop, described 3rd choke valve is arranged on one end that condenser is connected with liquid pump, for connecting photovoltaic thermal coupling apparatus.
2. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery according to claim 1 utilizes device, it is characterized in that: described photovoltaic thermal coupling apparatus comprises solar panel, integrated plate for heat insulation, manifold type and partly imbeds conduit network, heat-preservation cotton, import and outlet, described manifold type partly imbeds conduit network side and described solar panel is fitted, fit in the side of opposite side and described integrated plate for heat insulation, described heat-preservation cotton is laid on the surface of integrated plate for heat insulation opposite side, and described import and outlet are separately positioned on the diagonal angle place that manifold type partly imbeds conduit network.
3. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery according to claim 1 utilizes device, it is characterized in that: the cold-producing medium that described heat pump circuit adopts is water, absorbent is lithium bromide, low for solar panel product thermal source is converted to high product thermal source, and heating water is stored in boiler.
4. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery according to claim 1 utilizes device, it is characterized in that: described boiler is provided with hot water outlet, and described cold water storage cistern is provided with cold water inlet.
5. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery according to claim 2 utilizes device, it is characterized in that: described integrated plate for heat insulation is TDD integrated plate for heat insulation.
6. the energy composite energy of the absorption heat pump based on photovoltaic back waste heat recovery according to claim 2 utilizes device, it is characterized in that: described manifold type is partly imbedded conduit network and comprised thermal conductive metal plate and endothermic catheter, described endothermic catheter half is imbedded in thermal conductive metal plate, and a semi-convex thermal conductive metal plate is outer and form linear contact lay with integrated plate for heat insulation.
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| CN201510560773.XA CN105048960B (en) | 2015-09-06 | 2015-09-06 | The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device |
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| CN201510560773.XA CN105048960B (en) | 2015-09-06 | 2015-09-06 | The energy composite energy of absorption heat pump based on photovoltaic back waste heat recovery utilizes device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106371466A (en) * | 2016-09-30 | 2017-02-01 | 河海大学常州校区 | Double-sided battery array-based solar energy tracking method |
| CN106679225A (en) * | 2017-01-10 | 2017-05-17 | 合肥万豪环境科技有限责任公司 | Building multi-energy complementary system driven by fuel cells and solar energy |
| CN106907680A (en) * | 2017-04-05 | 2017-06-30 | 云南品森科技有限公司 | A kind of method of solar energy lithium battery streetlamp photo-thermal auxiliary heating |
| CN108344187A (en) * | 2017-12-22 | 2018-07-31 | 湖北工业大学 | Optically focused based on absorption heat pump-light splitting type photovoltaic/photothermal integration system |
| CN109268142A (en) * | 2018-08-31 | 2019-01-25 | 国家能源投资集团有限责任公司 | Cogeneration cooling heating system |
| CN109323201A (en) * | 2018-11-18 | 2019-02-12 | 中山市兴牌照明科技有限公司 | A kind of airship type LED street lamp |
| CN115037244A (en) * | 2022-06-07 | 2022-09-09 | 陈大野 | High-efficiency solar power generation and heat collection integrated seasonal energy storage system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106371466A (en) * | 2016-09-30 | 2017-02-01 | 河海大学常州校区 | Double-sided battery array-based solar energy tracking method |
| CN106371466B (en) * | 2016-09-30 | 2019-03-15 | 河海大学常州校区 | A kind of solar energy tracing method based on double-side cell array |
| CN106679225A (en) * | 2017-01-10 | 2017-05-17 | 合肥万豪环境科技有限责任公司 | Building multi-energy complementary system driven by fuel cells and solar energy |
| CN106679225B (en) * | 2017-01-10 | 2023-05-23 | 合肥万豪环境科技有限责任公司 | Fuel cell and solar driven building multi-energy complementary system |
| CN106907680A (en) * | 2017-04-05 | 2017-06-30 | 云南品森科技有限公司 | A kind of method of solar energy lithium battery streetlamp photo-thermal auxiliary heating |
| CN108344187A (en) * | 2017-12-22 | 2018-07-31 | 湖北工业大学 | Optically focused based on absorption heat pump-light splitting type photovoltaic/photothermal integration system |
| CN109268142A (en) * | 2018-08-31 | 2019-01-25 | 国家能源投资集团有限责任公司 | Cogeneration cooling heating system |
| CN109323201A (en) * | 2018-11-18 | 2019-02-12 | 中山市兴牌照明科技有限公司 | A kind of airship type LED street lamp |
| CN115037244A (en) * | 2022-06-07 | 2022-09-09 | 陈大野 | High-efficiency solar power generation and heat collection integrated seasonal energy storage system |
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| CN105048960B (en) | 2017-07-18 |
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