CN205316442U - Photovoltaic light and heat heating system based on cross -season heat accumulation - Google Patents

Photovoltaic light and heat heating system based on cross -season heat accumulation Download PDF

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Publication number
CN205316442U
CN205316442U CN201520999960.3U CN201520999960U CN205316442U CN 205316442 U CN205316442 U CN 205316442U CN 201520999960 U CN201520999960 U CN 201520999960U CN 205316442 U CN205316442 U CN 205316442U
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CN
China
Prior art keywords
cross
heat
water tank
season
season heat
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520999960.3U
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Chinese (zh)
Inventor
吴晓琼
李旭光
钟洪伟
张强
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Beijing Tsinghua Solar Systems Co ltd
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Beijing Tsinghua Solar Systems Co ltd
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Priority to CN201520999960.3U priority Critical patent/CN205316442U/en
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Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a photovoltaic light and heat heating system based on cross -season heat accumulation can utilize the cross -season heat accumulation water tank effectively to store the heat of the photovoltaic light and heat board production in three seasons of spring and summer autumn for the building heating in winter, the utility model discloses the system includes photovoltaic light and heat board, cross -season heat accumulation water tank, electric heater unit, first water pump, second water pump and end user, the export of photovoltaic light and heat board through first water pump with the first entry linkage of cross -season heat accumulation water tank, the first export of cross -season heat accumulation water tank with the entry linkage of photovoltaic light and heat board, be equipped with electric heater unit in the cross -season heat accumulation water tank, photovoltaic light and heat board is connected electric heater unit, the export of the second of cross -season heat accumulation water tank through the second water pump with the terminal entry linkage of user, the terminal export of user with the the second entrance of cross -season heat accumulation water tank connects, the cross -season heat accumulation water tank with install the valve on the connecting line of user's end.

Description

Based on the photovoltaic and photothermal heating system of cross-season heat-storage
Technical field
The utility model relates to photovoltaic and photothermal solar, cross-season heat-storage, heat pump heating field, relates in particular to a kind of photovoltaic and photothermal heating system based on cross-season heat-storage.
Background technology
Solar cell, in the process that luminous energy converts to electric energy, is not all convert whole luminous energy to electric energy. Theoretical investigation shows, the Theoretical Physics limit of the efficiency of conversion of the solar cell of one pole single crystal silicon material when 0 DEG C is 30%. In actual applications, under standard conditions, crystal silicon cell average efficiency is about 15%, and remaining sun power of 85% is all converted into heat energy. In switching process, along with the increase of heat energy, battery temperature constantly raises, and except photoelectric transformation efficiency reduces greatly, the work-ing life of solar cell also will shorten.
For make solar module can normal operation for a long time, in prior art, by adding heat abstractor, such as water-cooling heat radiating system, reach heat radiation object by recirculated water heat absorption. But a large amount of heats that fluid is taken away all do not cause the attention of people, not by good good utilisation. Heat energy is also the part that solar module absorbs the solar radiation energy, if this part energy being taken out and collecting, it is used, but not it is regarded as the damaging heat that need to dissipate, just can reach the object making full use of the energy, and widen the using function of solar module.
Owing to photovoltaic and photothermal plate all produces hot water throughout the year, the hot water amount that summer produces is maximum, and heat supply in winter needs a large amount of hot water, how the hot water storage in other seasons is got up significant for winter heating, adopt cross-season heat-storage technology to be the necessary means addressed this problem.
The fluctuation can held due to electrical network is limited, if amplitude too bulk power grid also can be affected, and photovoltaic generation power is among constantly change by the impact of sun power fluctuation, so photovoltaic generating system may occur abandoning electricity and phenomenon of rationing the power supply, cause the electricity can not be grid-connected smoothly, and waste. If what utilize these instability abandons electric drive electrically heated, electricity will be abandoned it will be converted into the thermal energy storage of hot water, then can realize effective utilization of the energy.
The latent heat of solidification that water becomes ice is very big, and the water condensation such as 1kg0 DEG C becomes 0 DEG C of ice can release the heat of 80kcal, much larger than the aobvious exothermic heat amount of water.In the utility model, in winter, when the water temperature drop of cross-season heat-storage water tank is to about 0 DEG C, utilize the latent heat of solidification of water to provide thermal source to heat pump, low ebb electricity can be utilized night to cross-season heat-storage heating water tanks, ice is melted.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic and photothermal heating system based on cross-season heat-storage, can utilize cross-season heat-storage water tank effectively store season in spring and summer autumn three photovoltaic and photothermal plate produce heat, for the building heating in winter.
For reaching above-mentioned purpose, a kind of photovoltaic and photothermal heating system based on cross-season heat-storage of the utility model, it comprises photovoltaic and photothermal plate, cross-season heat-storage water tank, electric heater unit, the first water pump, the 2nd water pump and end user, the outlet of described photovoltaic and photothermal plate is connected by the first entrance of the first water pump and described cross-season heat-storage water tank, and the first outlet of described cross-season heat-storage water tank is connected with the entrance of described photovoltaic and photothermal plate; It is provided with electric heater unit in described cross-season heat-storage water tank, described photovoltaic and photothermal plate connects described electric heater unit, 2nd outlet of described cross-season heat-storage water tank is connected with described user's tip inlet by the 2nd water pump, the outlet of described user's end is connected with the 2nd entrance of described cross-season heat-storage water tank, and the connecting pipeline of described cross-season heat-storage water tank and described user's end is provided with valve.
It is provided with thermal insulation layer outside wherein said cross-season heat-storage water tank.
It is provided with heat pump between wherein said cross-season heat-storage water tank and described user's end.
Wherein said cross-season heat-storage water tank and described heat pump and the connecting pipeline between described heat pump and described user's end are also provided with valve.
Wherein said user's end is ground hot coil, blower fan coil pipe or scatterer.
The utility model difference from prior art is that the utility model achieves following technique effect:
The utility model can utilize, based on the photovoltaic and photothermal heating system of cross-season heat-storage, the heat that cross-season heat-storage water tank effectively stores the photovoltaic and photothermal plate in season in spring and summer autumn three and produce, for the building heating in winter.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model based on the photovoltaic and photothermal heating system of cross-season heat-storage;
Fig. 2 is accumulation of heat schematic diagram of the present utility model;
Fig. 3 is that cross-season heat-storage water tank of the present utility model heats separately schematic diagram;
Fig. 4 is cross-season heat-storage water tank of the present utility model associating short-term hydro-thermal water tank heating schematic diagram.
Description of reference numerals: 1-photovoltaic and photothermal plate; 2-cross-season heat-storage water tank; 3-electric heater unit; 4-first water pump; 5-the 2nd water pump; 6-user's end; 7-heat pump; V1-V8-valve.
Embodiment
Below in conjunction with drawings and Examples, to above-mentioned being described in more detail with other technology feature and advantage of the utility model.
As shown in Figure 1, a kind of photovoltaic and photothermal heating system based on cross-season heat-storage of the utility model, it comprises photovoltaic and photothermal plate 1, cross-season heat-storage water tank 2, electric heater unit 3, first water pump 4, the 2nd water pump 5 and end user 6, the outlet of photovoltaic and photothermal plate 1 is connected by the first entrance of the first water pump 4 and cross-season heat-storage water tank 2, and the first outlet of cross-season heat-storage water tank 2 connects and composes a circulation with the entrance of photovoltaic and photothermal plate 1; Electric heater unit 3 it is provided with in cross-season heat-storage water tank 2, photovoltaic and photothermal plate 2 connects electric heater unit 3, cross-season heat-storage water tank 2 the 2nd outlet by the 2nd water pump 5 through or be connected with user's end 6 entrance without heat pump 7, the outlet of user's end 6 through or be connected with the 2nd entrance of cross-season heat-storage water tank 2 without heat pump 7, being provided with valve V1-V8 on cross-season heat-storage water tank 2 and heat pump 7 and the connecting pipeline between heat pump 7 and user's end 6, user's end 6 is ground hot coil, blower fan coil pipe or scatterer etc.
In three seasons of spring and summer autumn, time fine, the hot water temperature that photovoltaic and photothermal plate produces is higher, by water pump 1 delivery to cross-season heat-storage water tank, the cold water in cross-season heat-storage water tank is returned to photovoltaic and photothermal plate simultaneously, circulation heating. System is in spring and summer autumn three season accumulation of heat. Meanwhile, photovoltaic and photothermal plate produce can not be grid-connected unnecessary direct current can be used for electrically heated, for the water heated in cross-season heat-storage water tank, Fig. 2 is accumulation of heat schematic diagram of the present utility model.
In initial stage in winter or mid-term, the water temperature in cross-season heat-storage water tank is higher, it is possible to directly supply user's end heating. Meanwhile, if fine, the hot water temperature that photovoltaic and photothermal plate produces is higher, can carry out accumulation of heat simultaneously. Meanwhile, what photovoltaic and photothermal plate produced can not be grid-connected unnecessary direct current can be used for electrically heated, for the water heated in cross-season heat-storage water tank, Fig. 3 is that cross-season heat-storage water tank of the present utility model heats separately schematic diagram.
In the heat supply in winter middle and later periods, the water temperature in cross-season heat-storage water tank reduces, and is not suitable for directly supplying user, and now, the water in cross-season heat-storage water tank is connected to the vaporizer of heat pump, by supplying user's end after heat pump temperature increase again. Meanwhile, if fine, the hot water temperature that photovoltaic and photothermal plate produces is higher, also can carry out accumulation of heat. Meanwhile, photovoltaic and photothermal plate produce can not be grid-connected unnecessary direct current can be used for electrically heated, for the water heated in cross-season heat-storage water tank. When the water temperature drop of cross-season heat-storage water tank is to about 0 DEG C, the latent heat of solidification of water is utilized to provide thermal source to heat pump, low ebb electricity can being utilized night to cross-season heat-storage heating water tanks, ice is melted, Fig. 4 is cross-season heat-storage water tank of the present utility model associating heat pump heating schematic diagram.
Above-described embodiment is only preferred implementation of the present utility model be described; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that the utility model claim book is determined.

Claims (5)

1. the photovoltaic and photothermal heating system based on cross-season heat-storage, it is characterized in that: it comprises photovoltaic and photothermal plate, cross-season heat-storage water tank, electric heater unit, the first water pump, the 2nd water pump and end user, the outlet of described photovoltaic and photothermal plate is connected by the first entrance of the first water pump and described cross-season heat-storage water tank, and the first outlet of described cross-season heat-storage water tank is connected with the entrance of described photovoltaic and photothermal plate; It is provided with electric heater unit in described cross-season heat-storage water tank, described photovoltaic and photothermal plate connects described electric heater unit, 2nd outlet of described cross-season heat-storage water tank is connected with described user's tip inlet by the 2nd water pump, the outlet of described user's end is connected with the 2nd entrance of described cross-season heat-storage water tank, and the connecting pipeline of described cross-season heat-storage water tank and described user's end is provided with valve.
2. the photovoltaic and photothermal heating system based on cross-season heat-storage according to claim 1, it is characterised in that: it is provided with thermal insulation layer outside described cross-season heat-storage water tank.
3. the photovoltaic and photothermal heating system based on cross-season heat-storage according to claim 1, it is characterised in that: it is provided with heat pump between described cross-season heat-storage water tank and described user's end.
4. the photovoltaic and photothermal heating system based on cross-season heat-storage according to claim 3, it is characterised in that: described cross-season heat-storage water tank and described heat pump and the connecting pipeline between described heat pump and described user's end are also provided with valve.
5. the photovoltaic and photothermal heating system based on cross-season heat-storage according to claim 1, it is characterised in that: described user's end is ground hot coil, blower fan coil pipe or scatterer.
CN201520999960.3U 2015-12-04 2015-12-04 Photovoltaic light and heat heating system based on cross -season heat accumulation Expired - Fee Related CN205316442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520999960.3U CN205316442U (en) 2015-12-04 2015-12-04 Photovoltaic light and heat heating system based on cross -season heat accumulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520999960.3U CN205316442U (en) 2015-12-04 2015-12-04 Photovoltaic light and heat heating system based on cross -season heat accumulation

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CN205316442U true CN205316442U (en) 2016-06-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932704A (en) * 2016-07-04 2016-09-07 南京威尔泰电气工程有限公司 Photovoltaic direct current side energy storage based power grid intelligent regulation and control system
CN108679686A (en) * 2018-05-21 2018-10-19 吉林建筑大学 A kind of energy storage type heating system
CN114556024A (en) * 2019-10-18 2022-05-27 维里迪控股有限公司 Energy system and method and data carrier comprising instructions thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932704A (en) * 2016-07-04 2016-09-07 南京威尔泰电气工程有限公司 Photovoltaic direct current side energy storage based power grid intelligent regulation and control system
CN108679686A (en) * 2018-05-21 2018-10-19 吉林建筑大学 A kind of energy storage type heating system
CN108679686B (en) * 2018-05-21 2019-07-23 吉林建筑大学 A kind of energy storage type heating system
CN114556024A (en) * 2019-10-18 2022-05-27 维里迪控股有限公司 Energy system and method and data carrier comprising instructions thereof

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220308

Address after: 100010 8th floor, longfu building, No. 95, longfushi street, Dongcheng District, Beijing

Patentee after: Beijing State Owned Financial Leasing Co.,Ltd.

Address before: 100085 Yingchuang Power Park E-9, No. 1 Shangdi East Road, Haidian District, Beijing

Patentee before: Beijing Tsinghua Solar Systems Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220513

Address after: Room 305, block a, Zhizao street, Zhongguancun, Haidian District, Beijing 100089

Patentee after: Beijing Tsinghua Solar Systems Co.,Ltd.

Address before: 100010 8th floor, longfu building, No. 95, longfushi street, Dongcheng District, Beijing

Patentee before: Beijing State Owned Financial Leasing Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160615