CN103244987B - Based on heating installation round the clock efficient under the limited space area of optically focused current collection - Google Patents
Based on heating installation round the clock efficient under the limited space area of optically focused current collection Download PDFInfo
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- CN103244987B CN103244987B CN201310160104.4A CN201310160104A CN103244987B CN 103244987 B CN103244987 B CN 103244987B CN 201310160104 A CN201310160104 A CN 201310160104A CN 103244987 B CN103244987 B CN 103244987B
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- heat
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
A kind of based on heating installation round the clock efficient under the limited space area of optically focused current collection, comprise: concentration type high-efficiency solar thermal collection system, be made up of focus solar collector and thermal-arrest circulating pump, focus solar collector comprises flat-plate solar heat collector, its upper end is provided with light gathering reflector collector plate, is made up of the solar power current collection plate being coated with selective reflecting outer surface layer; A thermostatic type heat-exchange system, comprises constant temperature water tank and the heat collection water tank, the air source heat pump that are connected with constant temperature water tank respectively; Heat collection water tank is connected by circulating water pipeline with flat-plate solar heat collector; Secondary exchanging is heat-exchange system round the clock, and comprise heating equipment and temperature-difference circulation pump, heating equipment is connected by circulating water pipeline with constant temperature water tank; Intelligent photovoltaic electric power system, comprises photovoltaic generating system, batteries and uninterrupted power source, and uninterrupted power source is connected with photovoltaic generating system, civil power and batteries respectively, and uninterrupted power source is connected with air source heat pump by static frequency converter.
Description
Technical field
The present invention relates to central heating plant, refer to a kind of based on heating installation round the clock efficient under the limited space area of optically focused current collection particularly.
Background technology
At present, the energy is more and more nervous, and people transfer to sight in the development and utilization of regenerative resource gradually, and wherein, cheap free of contamination solar energy is subject to the favor of people.At present, solar utilization technique develops rapidly, utilizes the technology of solar heating also to reach its maturity, but is subject to the constraint of the mounting condition such as geographical position, space, and the efficiency of existing solar thermal collector is still not enough to meet heating needs; Meanwhile, be used alone solar energy also cannot realize uninterruptedly heating round the clock.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of based on heating installation round the clock efficient under the limited space area of optically focused current collection, the requirement to fabricating yard area can be reduced by the collecting efficiency improving solar energy vacuum tube under the limited space areas such as such as roof, and utilize air source heat pump to realize heating at night, thus realize uninterruptedly heating in 24 hours, and cost is low, efficiency is high.
For solving the problems of the technologies described above, provided by the inventionly a kind ofly to comprise based on heating installation round the clock efficient under the limited space area of optically focused current collection:
Concentration type high-efficiency solar thermal collection system, be made up of the thermal-arrest circulating pump on focus solar collector and circulating water pipeline thereof, described focus solar collector comprises the flat-plate solar heat collector be arranged on installation foundation, flat-plate solar heat collector upper end is provided with light gathering reflector collector plate, light gathering reflector collector plate is made up of the solar power current collection plate being coated with selective reflecting outer surface layer, and its outer surface layer is used for the long wave in sunlight to reflex to flat-plate solar heat collector surface;
A thermostatic type heat-exchange system, comprises constant temperature water tank and the heat collection water tank, the air source heat pump that are connected with constant temperature water tank respectively by circulating water pipeline; Described heat collection water tank is connected by circulating water pipeline with flat-plate solar heat collector, and the circulating water pipeline that described constant temperature water tank is connected with heat collection water tank is provided with temperature-difference circulation pump;
Secondary exchanging is heat-exchange system round the clock, comprises heating equipment and temperature-difference circulation pump, and described heating equipment is connected by circulating water pipeline with constant temperature water tank, and described temperature-difference circulation pump is arranged on the inlet channel of heating equipment;
Intelligent photovoltaic electric power system, comprise photovoltaic generating system, batteries and uninterrupted power source, described uninterrupted power source is connected with photovoltaic generating system, civil power and batteries respectively, for realizing photovoltaic generating system or the charging of civil power to batteries and the supplying power for outside of uninterrupted power source; Uninterrupted power source is connected with described air source heat pump by static frequency converter, for the power supply of air source heat pump.In technique scheme, the rotation involute surface that the outer surface layer of described light gathering reflector collector plate is is basic circle with spherical absorber.
In technique scheme, described photovoltaic generating system comprises the light gathering reflector collector plate solar power current collection plate portion, photovoltaic combiner box and the photovoltaic DC-to-AC converter that connect successively.
Compared with prior art, beneficial effect of the present invention is: on ordinary flat type solar thermal collector, installed light gathering reflector collector plate, can sunlight be reflexed on flat-plate solar heat collector, long wave is wherein absorbed, thus improve the collecting efficiency of flat-plate solar heat collector, shortwave then for generating, and through battery electric power storage.Show through the experiment of Anqing Petrochemical Company boiler, the flat-plate solar heat collector of application light gathering reflector collector plate, its collecting efficiency on average improves 30 ~ 50%, is suitable for very much the laying under the limited space areas such as such as roof; Air source heat pump, as auxiliary warming, can guarantee heating that is overcast and rainy or night, realizes uninterruptedly heating in 24 hours of whole device; Utilize photovoltaic generating system as the accessory power supply of air source heat pump, the more effective solar energy that make use of cheap environmental protection, and ensure that the stable operation of air source heat pump under powering-off state.
Accompanying drawing explanation
Fig. 1 is structure and the operation principle schematic diagram of one embodiment of the invention.
Fig. 2 is the structural representation of focus solar collector in Fig. 1.
Fig. 3 is the structural representation of Intelligent photovoltaic electric power system in Fig. 1.
In figure: 1-concentration type high-efficiency solar thermal collection system, 2-thermostatic type heat-exchange system, 3-secondary exchanging is heat-exchange system round the clock, 4-Intelligent photovoltaic electric power system, 5-focus solar collector (wherein: 5.1-flat-plate solar heat collector, 5.2-support, 5.3-light gathering reflector collector plate), 6-thermal-arrest circulating pump, 7-heat collection water tank, 8, 11-temperature-difference circulation pump, 9-constant temperature water tank, 10-air source heat pump, 12-radiator, 13-photovoltaic combiner box, 14-photovoltaic DC-to-AC converter, 15-batteries, 16-static frequency converter, 17-uninterrupted power source, 18-magnetic valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail.
As shown in Figure 1, of the present invention a kind of based on heating installation round the clock efficient under the limited space area of optically focused current collection, comprise concentration type high-efficiency solar thermal collection system 1, thermostatic type heat-exchange system 2, secondary exchanging heat-exchange system 3 and Intelligent photovoltaic electric power system 4 round the clock, specifically.
Concentration type high-efficiency solar thermal collection system 1 is made up of the thermal-arrest circulating pump 6 on focus solar collector 5 and circulating water pipeline thereof.Focus solar collector 5 as shown in Figure 2, comprise the flat-plate solar heat collector 5.1 be supported in support 5.2 on installation foundation, flat-plate solar heat collector 5.1 upper end is provided with light gathering reflector collector plate 5.3, light gathering reflector collector plate 5.3 is made up of the solar power current collection plate being coated with selective reflecting outer surface layer, the rotation involute surface that this outer surface layer is is basic circle with spherical absorber, this structure not only can utilize direct sunlight line, and the scattered beam of surrounding can be made full use of, the collecting efficiency of flat-plate solar heat collector 5.1 is increased substantially.Light gathering reflector collector plate 5.3 can also when solar incident angle degree be bad, originally the sunray scattered out is regrouped, long wave wherein reflexes on flat-plate solar heat collector 5.1, thus heat-collecting capacity under improve per installation area and heat insulation effect, reduce radiation loss.Meanwhile, its solar power current collection plate has current collection effect, absorbs shortwave and is used for generating, remaining solar energy can be stored in the mode of current collection.During installation, flat-plate solar heat collector 5.1 is arranged towards solar irradiation direction, and according to local solar radiation angle, light gathering reflector collector plate 5.3 selects suitable angle to install, to flash back the sunlight to greatest extent.
One time thermostatic type heat-exchange system 2 comprises constant temperature water tank 9 and the heat collection water tank 7, the air source heat pump 10 that are connected with constant temperature water tank 9 respectively by circulating water pipeline.Heat collection water tank 7 is connected by circulating water pipeline with above-mentioned flat-plate solar heat collector 5.1, to obtain the hot water after flat-plate solar heat collector 5.1 heating.The circulating water pipeline that heat collection water tank 7 is connected with constant temperature water tank 9 is provided with temperature-difference circulation pump 8, and under sun-drenched condition, the water that concentration type high-efficiency solar thermal collection system 1 heats is recycled to constant temperature water tank 9 by heat collection water tank 7; In overcast and rainy or night situation, by the water in air source heat pump 10 heated constant temperature water tank 9.Heat collection water tank 7 also connects water source, and for the supply of cold water, cold water supplying pipe road is provided with magnetic valve 18, realizes for water management.
Secondary exchanging round the clock heat-exchange system 3 comprises as radiator 12 heating equipment such as grade and temperature-difference circulation pump 11.Constant temperature water tank 9 is drawn a water inlet pipe and is connected with radiator 12 water inlet end by temperature-difference circulation pump 11, and radiator 12 backwater port draws a return pipe and constant temperature water tank 9 forms a loop.Radiator 12 is installed on user place, for realizing heating.
Intelligent photovoltaic electric power system 4 as shown in Figure 3, comprises photovoltaic generating system, batteries 15 and uninterrupted power source 17.Photovoltaic generating system comprises the light gathering reflector collector plate 5.3 solar power current collection plate portion, photovoltaic combiner box 13 and the photovoltaic DC-to-AC converter 14 that connect successively.Uninterrupted power source 17 is connected with photovoltaic generating system, civil power and batteries 15 respectively, for realizing photovoltaic generating system or the civil power supplying power for outside to the charging of batteries 15 and uninterrupted power source 17.Uninterrupted power source 17 is connected with above-mentioned air source heat pump 10, for the power supply of air source heat pump 10 by static frequency converter 16.
The whole heating installation of the present embodiment adopts electric-control system to carry out the control of each equipment, such as: in heat collection water tank 7, establish liquid level gauge and temperature sensor, when the water temperature of heat collection water tank 7 is greater than auxiliary heating design temperature, and water level is when being less than setting value, cold water opened by magnetic valve 19, when the water temperature of heat collection water tank 7 is less than or equal to auxiliary heating design temperature, and when water level reaches setting value, moisturizing stops.Temperature sensor between heat collection water tank 7 and constant temperature water tank 9 will control the startup of temperature-difference circulation pump 8, realizes heat is transferred to constant temperature water tank 9 effect by heat collection water tank 7.
The operation principle of the present embodiment is: under sunlight irradiates, flat-plate solar heat collector 5.1 absorbs the long wave in solar radiation and light gathering reflector collector plate 5.3 reflecting part, and the coating for selective absorption in light gathering reflector collector plate 5.3 then absorbs shortwave generating and is stored in batteries 15 to meet the operation of air source heat pump 10 under powering-off state as stand-by power supply.Concentration type high-efficiency solar thermal collection system 1 is as main energy sources, air source heat pump 10 and Intelligent photovoltaic electric power system 4 thereof are as auxiliary heating system, only in overcast and rainy or use in night, when civil power is normal, utilize civil power as the power supply of air source heat pump 10, under powering-off state, batteries 16 is utilized to power for air source heat pump 10.
Core of the present invention is to have installed light gathering reflector collector plate 5.3 on ordinary flat type solar thermal collector 5.1, significantly improve the collecting efficiency of flat-plate solar heat collector 5.1, heating demands can be met under limited space area, make use of the shortwave generating in its solar power current collection plate absorption sunlight simultaneously; Air source heat pump 10 as auxiliary warming, and utilizes photovoltaic generating system as the accessory power supply of air source heat pump 10, further increases the utilization ratio of solar energy, and guarantees the heating round the clock of whole device.So its protection domain is not limited to above-described embodiment.Obviously, those skilled in the art can carry out various change and distortion to the present invention and not depart from the scope of the present invention and spirit, such as: the rotation involute surface that it is basic circle that the outer surface layer of light gathering reflector collector plate 5.3 is selected with spherical absorber is the preferred structure of the present embodiment, other structures such as plane mirror are adopted also can to improve the collecting efficiency of flat-plate solar heat collector 5.1 to a certain extent; Heating equipment is also not limited to radiator 12, adopts other conventional hot water's heating equipments to be also feasible; According to on-site actual situations, photovoltaic generating system also can utilize other existing structure replacements etc.If these are changed and distortion belongs in the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these changes and distortion.
Claims (3)
1., based on a heating installation round the clock efficient under the limited space area of optically focused current collection, it is characterized in that, it comprises:
Concentration type high-efficiency solar thermal collection system (1), be made up of the thermal-arrest circulating pump (6) on focus solar collector (5) and circulating water pipeline thereof, described focus solar collector (5) comprises the flat-plate solar heat collector (5.1) be arranged on installation foundation, flat-plate solar heat collector (5.1) upper end is provided with light gathering reflector collector plate (5.3), light gathering reflector collector plate (5.3) is made up of the solar power current collection plate being coated with selective reflecting outer surface layer, its outer surface layer is used for the long wave in sunlight being reflexed to flat-plate solar heat collector (5.1) surface,
A thermostatic type heat-exchange system (2), comprises constant temperature water tank (9) and the heat collection water tank (7), the air source heat pump (10) that are connected with constant temperature water tank (9) respectively by circulating water pipeline; Described heat collection water tank (7) is connected by circulating water pipeline with flat-plate solar heat collector (5.1), and the circulating water pipeline that described constant temperature water tank (9) is connected with heat collection water tank (7) is provided with temperature-difference circulation pump (8);
Secondary exchanging is heat-exchange system (3) round the clock, and comprise heating equipment and temperature-difference circulation pump (11), described heating equipment is connected by circulating water pipeline with constant temperature water tank (9), and described temperature-difference circulation pump (11) is arranged on the inlet channel of heating equipment;
Intelligent photovoltaic electric power system (4), comprise photovoltaic generating system, batteries (15) and uninterrupted power source (17), described uninterrupted power source (17) is connected with photovoltaic generating system, civil power and batteries (15) respectively, for realizing photovoltaic generating system or the civil power supplying power for outside to the charging of batteries (15) and uninterrupted power source (17); Uninterrupted power source (17) is connected with described air source heat pump (10), for the power supply of air source heat pump (10) by static frequency converter (16).
2. according to claim 1 based on heating installation round the clock efficient under the limited space area of optically focused current collection, it is characterized in that: the rotation involute surface that the outer surface layer of described light gathering reflector collector plate (5.3) is is basic circle with spherical absorber.
3. according to claim 1 and 2 based on heating installation round the clock efficient under the limited space area of optically focused current collection, it is characterized in that: described photovoltaic generating system comprises light gathering reflector collector plate (5.3) the solar power current collection plate portion, photovoltaic combiner box (13) and the photovoltaic DC-to-AC converter (14) that connect successively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310160104.4A CN103244987B (en) | 2013-05-03 | 2013-05-03 | Based on heating installation round the clock efficient under the limited space area of optically focused current collection |
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| CN201310160104.4A CN103244987B (en) | 2013-05-03 | 2013-05-03 | Based on heating installation round the clock efficient under the limited space area of optically focused current collection |
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| CN103244987B true CN103244987B (en) | 2016-02-24 |
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| CN111442547B (en) * | 2020-04-15 | 2022-07-12 | 南京启景环境科技有限公司 | Based on air energy and solar energy combined type wisdom clean energy equipment |
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