CN201976029U - Photoelectric and photo-thermal integrated application system for building - Google Patents
Photoelectric and photo-thermal integrated application system for building Download PDFInfo
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- CN201976029U CN201976029U CN2010206865553U CN201020686555U CN201976029U CN 201976029 U CN201976029 U CN 201976029U CN 2010206865553 U CN2010206865553 U CN 2010206865553U CN 201020686555 U CN201020686555 U CN 201020686555U CN 201976029 U CN201976029 U CN 201976029U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
The utility model discloses a photoelectric and photo-thermal integrated application system for a building, which comprises a PVT (pressure, volume and temperature) assembly, a power generation system and a heating system. The power generation system is formed through networking of the PVT assembly and batteries, and the heating system is formed through connection of the PVT assembly, a circulating medium tank and a heat utilization device. The system also comprises a phase-changing energy storage device, the phase-changing energy storage device comprises two medium channels, and a phase-changing material is filled between the medium channels and the shell of the device; one medium channel is arranged between the hot water output end of the PVT assembly and the circulating medium tank and the other medium channel is connected between a tap water source and the heat utilization device. Since the phase-changing material instead of water is used for storing heat, the volume and weight of a heat storage device can be reduced, and the heat storage device can be integrated in the building. The temperature of the PVT assembly can be maintained below the phase-changing temperature and at a very low level, and the power generating capacity of the photoelectric part can be improved. The energy consumption of the building can be lowered, and the comfortableness of rooms can be enhanced.
Description
Technical field
The utility model relates to solar energy and energy saving building integrated application field, particularly a kind of photovoltaic/thermal comprehensive application system for building.
Background technology
At present the BIPV system mainly adopts the normal optical photovoltaic assembly to be directly installed on roof, balcony, metope generating, and institute generates electricity can be by get up use or be incorporated into the power networks of accumulators store.The normal optical photovoltaic assembly can raise at the simultaneous temperature of generating, if summer, heat had little time to distribute, will heat building, makes inner temperature of room higher on the contrary, also can increase air conditioning energy consumption; Simultaneously, the rising of normal optical photovoltaic assembly temperature can cause its generating efficiency sharply to descend.
The PVT assembly has then increased heat sink at the normal optical photovoltaic assembly back side, the heat supply of not only can powering, and can reduce normal optical photovoltaic assembly temperature, increase energy output.But the water tank storage that the caloric requirement that the PVT assembly produces is very big, the water tank volume is too big, it is big to take up room, in building with architectural very difficult installation; After water tank was filled water, weight was too heavy, must install on the structural beams of building, brought a lot of inconveniences.
The utility model content
The purpose of this utility model is to provide a kind of photovoltaic/thermal comprehensive application system for building, and this system can be user's heat supply of powering, and has reduced the temperature of photovoltaic module simultaneously, increases the energy output of photoelectricity part; The phase-change accumulation energy device is installed in the roof or is embedded in the body of wall, when higher or solar energy irradiation is too strong when ambient temperature (such as summer), what the solar photoelectric that the PVT assembly absorbs partly produced directly stores in the phase-change accumulation energy device, be used for the place that other needs hot water, avoided building to be heated like this; When lower the or solar energy irradiation of ambient temperature is more weak (such as winter), when the thermal energy storage that the PVT assembly absorbs is lower than phase transition temperature in the phase-change accumulation energy device and discharge.
Technical solutions of the utility model are as follows:
A kind of photovoltaic/thermal comprehensive application system for building, comprise PVT assembly, electricity generation system and heat-generating system, electricity generation system is PVT assembly and storage battery, being incorporated into the power networks is connected to form, heat-generating system is that PVT assembly and circulatory mediator water tank and heat utilization device are connected to form, it is characterized in that: described system also is provided with the phase-change accumulation energy device that adopts phase-change material to make, described phase-change accumulation energy device is provided with two medium runners, is filled with case between described medium runner and this crust of the device and becomes material; Wherein a medium runner is between the output end of hot water and circulatory mediator water tank of PVT assembly, and the water pipe of output end of hot water is communicated with an end of medium runner, and the other end of medium runner is connected to the circulatory mediator water tank by water pipe; Another medium runner is connected between running water water source and the heat utilization device, and the water pipe at running water water source is communicated with an end of this medium runner, and the other end of this medium runner is communicated with heat utilization device by water pipe.
Be provided with circulating pump between the cold water input of described PVT assembly and the circulatory mediator water tank.
Described heat utilization device comprises boiler and heating system.
Described boiler place also is provided with auxiliary electric heater unit.
Described electricity generation system comprises controller, storage battery, the inverter that links to each other with electrical network, and the PVT assembly is connected with controller, connects storage battery and inverter by controller, and inverter connects electrical network again.
Carry out temperature difference circulation between PVT assembly in the utility model and the circulatory mediator water tank, obtained heat major part all is stored in the phase-change accumulation energy device by a runner; When needing the domestic hot-water, running water enters the phase-change accumulation energy device by another set of runner, phase-change material produces phase transformation (solid-state as being become by liquid state), with the heat release that absorbs in running water, heated running water enters boiler, if temperature is not enough, can improves temperature by electric heater unit and use.
Photovoltaic/thermal comprehensive application system for building has the function that produces photovoltaic/thermal by the PVT assembly, and the auxiliary high storing heat of phase-change material has been dwindled heat-storing device volume and weight, and it is architectural more attractive in appearance that whole system is installed in.Heat in the phase-change material energy storage device can provide heat for life.
Employing high density, the phase-change material heat accumulation that volume is little replace water tank energy storage and building perfect adaptation.Phase-change material produces phase transformation (as from the solid-state liquid state that becomes) can absorb a large amount of heats, and temperature can not change in the phase transition process.Phase-change material is filled in the body of wall, absorbs a large amount of heats when summer, weather reached phase transition temperature, and inner temperature of room is remained near the phase transition temperature; When winter, inner temperature of room was too low, phase-change material can release heat, made inner temperature of room keep warm, increased the comfort level of building.But phase-change material is used for architectural durability and economy is all undesirable.The utility model is filled in the phase-change accumulation energy device integrated with building again with common phase-change material, improved the economy of phase-change material greatly; Can absorb simultaneously the low temperature heat energy that the PVT assembly produces, reduce the temperature of photoelectricity, increase energy output, the heat of Chu Cuning discharges when being lower than phase transition temperature simultaneously, and summer and winter can both can also provide heat for life with remaining on suitable temperature within doors.
When material from a kind of state-transition to another state (such as from the solid-state liquid state that becomes), can absorb or emit heat, and the phase transition process temperature can not change.1 gram material phase transition process absorbs or liberated heat approximately is that 1 gram material raises or reduces by 1 degree centigrade and absorbs or 100 times of liberated heat.Adopt material phase transition process store heat can reduce the energy storage device volume greatly, can also keep temperature-resistant.
The phase-change material that the utility model adopts replaces the water storing heat, has reduced heat-storing device volume and weight, can be under construction integrated; The PVT assembly is remained on below the phase transition temperature, make the PVT assembly temperature lower, increase photoelectricity part energy output; Can also reduce building energy consumption, increase the house comfort level.
Description of drawings
Fig. 1 is an application structure schematic diagram of the present utility model
Fig. 2 is a photovoltaic/thermal for building system solar thermal utilization schematic diagram
Fig. 3 puts schematic diagram for phase-change accumulation energy assembling structure of the present utility model
Among the figure: the 1PVT assembly; 2 phase-change accumulation energy devices; 2a, 2b runner; The 2c phase-change material; 3 circulatory mediator water tanks; 4 circulating pumps; The 5a boiler; The 5b heating system; 6 running water water sources; 7 auxiliary electric heater units; 8 controllers; 9 storage batterys, 10 inverters; 11 electrical networks.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model, the course of work and embodiment are described further.
A kind of photovoltaic/thermal comprehensive application system for building, comprise PVT assembly 1, electricity generation system and heat-generating system, electricity generation system is PVT assembly 1 and storage battery 9, being incorporated into the power networks is connected to form, heat-generating system is that PVT assembly 1 is connected to form with circulatory mediator water tank 3 and heat utilization device, PVT assembly 1 can be installed in the roof, can additionally not take space, can produce heat in the time of generating, the solar energy utilization ratio height.
Described system also is provided with and adopts for example Na of phase-change material 2c(
2SO
410H
2O, perhaps paraffin) the phase-change accumulation energy device 2 made, described phase-change accumulation energy device 2 is provided with two medium runner 2a, 2b, is filled with case between described medium runner and this crust of the device and becomes material; Wherein a medium runner 2a is between the output end of hot water and circulatory mediator water tank 3 of PVT assembly 1, and the water pipe of output end of hot water is communicated with the end of medium runner 2a, and the other end of medium runner 2a is connected to circulatory mediator water tank 3 by water pipe; Another medium runner 2b is connected between running water water source 6 and the heat utilization device, and the water pipe of cold water source is communicated with the end of this medium runner 2b, and the other end of this medium runner 2b is communicated with heat utilization device by water pipe, as shown in Figure 3.Phase-change accumulation energy device 2 volumes are little, can be used as building block, are embedded in the body of wall, and it is attractive in appearance not influence building.
As shown in Figure 2, heat-generating system structure of the present utility model.
Be provided with circulating pump 4 between the cold water input of described PVT assembly 1 and the circulatory mediator water tank 3.
Described heat utilization device comprises boiler 5a and heating system 5b.
Described boiler 5a place also is provided with auxiliary electric heater unit 7.
As shown in Figure 1, described electricity generation system comprises controller 8, storage battery 9, the inverter 10 that links to each other with electrical network 11, and PVT assembly 1 is connected with controller 8, connects storage batterys 9 and inverters 10 by controller 8, and inverter 10 connects electrical network 11 again.System partly produces electric energy by photoelectricity, generate electricity to store and use or be connected to the grid 11 by inverter 10 usefulness storage batterys 9.
Carry out temperature difference circulation between PVT assembly 1 in the utility model and the circulatory mediator water tank 3, obtained heat major part all is stored in the phase-change accumulation energy device 2 by a runner; To phase-change material 2c, when the temperature difference between PVT assembly 1 and the circulatory mediator water tank 3 reached uniform temperature (as 5 ℃), worked by circulating pump 4 by temperature difference circulating collection for the heat energy that PVT assembly 1 produces; When the temperature difference between PVT assembly 1 and the circulatory mediator water tank 3 reached uniform temperature (as 2 ℃), circulating pump 4 stopped, the heat-obtaining that so circulates, and the heat of obtaining is stored in the phase-change accumulation energy device 2.Phase transition temperature as phase-change material 2c in the phase-change accumulation energy device 2 is 27 degrees centigrade, PVT assembly 1 temperature just begins circulation when reaching 32 degrees centigrade, PVT assembly 1 temperature reaches 29 degrees centigrade and stops circulation, because phase-change accumulation energy device 2 storage density are big, the temperature of PVT assembly 1 just remains on below 32 degrees centigrade.
When needing the domestic hot-water, running water enters phase-change accumulation energy device 2 by another set of runner, phase-change material 2c produces phase transformation (solid-state as being become by liquid state), with the heat release that absorbs in running water, heated running water enters boiler 5a, if temperature is not enough, can improves temperature by electric heater unit and use.
There is phase transition temperature in phase-change material, produce a large amount of heat of phase transformation absorption when phase-change material reaches phase transition temperature, but the temperature of phase-change material remains on substantially near the phase transition temperature, has guaranteed to be in a suitable temperature in the building, increase comfort level, reduced architectural energy consumption.
Photovoltaic/thermal comprehensive application system for building has the function that produces photovoltaic/thermal by PVT assembly 1, and the auxiliary high storing heat of phase-change material has been dwindled heat-storing device volume and weight, and it is architectural more attractive in appearance that whole system is installed in.Heat in the phase-change material energy storage device can provide heat for life.
Claims (5)
1. photovoltaic/thermal comprehensive application system for building, comprise PVT assembly, electricity generation system and heat-generating system, electricity generation system is PVT assembly and storage battery, being incorporated into the power networks is connected to form, heat-generating system is that PVT assembly and circulatory mediator water tank and heat utilization device are connected to form, it is characterized in that: described system also is provided with the phase-change accumulation energy device, described phase-change accumulation energy device is provided with two medium runners, is filled with case between described medium runner and this crust of the device and becomes material; Wherein a medium runner is between the output end of hot water and circulatory mediator water tank of PVT assembly; Another medium runner is connected between running water water source and the heat utilization device.
2. a kind of photovoltaic/thermal comprehensive application system for building according to claim 1 is characterized in that: be provided with circulating pump between the cold water input of described PVT assembly and the circulatory mediator water tank.
3. a kind of photovoltaic/thermal comprehensive application system for building according to claim 1, it is characterized in that: described heat utilization device comprises boiler and heating system.
4. a kind of photovoltaic/thermal comprehensive application system for building according to claim 3, it is characterized in that: described boiler place also is provided with auxiliary electric heater unit.
5. a kind of photovoltaic/thermal comprehensive application system for building according to claim 1, it is characterized in that: described electricity generation system comprises controller, storage battery, the inverter that links to each other with electrical network, the PVT assembly is connected with controller, connect storage battery and inverter by controller, inverter connects electrical network again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206865553U CN201976029U (en) | 2010-12-29 | 2010-12-29 | Photoelectric and photo-thermal integrated application system for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206865553U CN201976029U (en) | 2010-12-29 | 2010-12-29 | Photoelectric and photo-thermal integrated application system for building |
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| Publication Number | Publication Date |
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| CN201976029U true CN201976029U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206865553U Expired - Fee Related CN201976029U (en) | 2010-12-29 | 2010-12-29 | Photoelectric and photo-thermal integrated application system for building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362378A (en) * | 2021-12-10 | 2022-04-15 | 北新集团建材股份有限公司 | Energy storage device and composite wall unit |
-
2010
- 2010-12-29 CN CN2010206865553U patent/CN201976029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362378A (en) * | 2021-12-10 | 2022-04-15 | 北新集团建材股份有限公司 | Energy storage device and composite wall unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONGWEI SOLAR ENERGY (HEFEI) CO., LTD. Free format text: FORMER OWNER: TONGWEI SOLAR CO., LTD. Effective date: 20141210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610041 CHENGDU, SICHUAN PROVINCE TO: 230031 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141210 Address after: 230031 No. 888, Changning Avenue, hi tech Zone, Anhui, Hefei Patentee after: Tongwei solar (Hefei) Co., Ltd. Address before: 610041 high tech Zone, Sichuan Province, the South Ring Road, No. two, No. four, No. 11 Patentee before: Tongwei Solar Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |