CN111238058A - Rapid heating photovoltaic solar water heating device - Google Patents
Rapid heating photovoltaic solar water heating device Download PDFInfo
- Publication number
- CN111238058A CN111238058A CN202010044611.1A CN202010044611A CN111238058A CN 111238058 A CN111238058 A CN 111238058A CN 202010044611 A CN202010044611 A CN 202010044611A CN 111238058 A CN111238058 A CN 111238058A
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- water tank
- water
- preheating
- heating
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
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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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to the field of solar water heating equipment, and particularly discloses a photovoltaic solar water heating device capable of rapidly heating, which comprises: the system comprises a first preheating water tank, a first heat collector connected with the first preheating water tank, a second preheating water tank, a first vacuum heat collector connected with the second preheating water tank, a high-temperature heating water tank, a second vacuum heat collector connected with the high-temperature heating water tank, a first heat exchanger and a second heat exchanger, wherein four pipeline interfaces of the first heat exchanger are respectively connected with a water outlet of the first preheating water tank and a water inlet of the second preheating water tank, a water outlet of the second preheating water tank and the top of the water inlet side of the first preheating water tank, and four pipeline interfaces of the second heat exchanger are respectively connected with a water outlet of the second preheating water tank and a water inlet of the high-temperature heating water tank, a water outlet side of the high-temperature heating water tank and a water inlet side of the second preheating water. Two heat exchangers are adopted to continuously heat the preheated low-temperature water by using the high-temperature water, so that the high temperature can be quickly reached during heating.
Description
Technical Field
The invention belongs to the field of solar water heating equipment, and particularly relates to a photovoltaic solar water heating device capable of rapidly heating.
Background
In recent years, various solar water heating apparatuses have appeared on the market, such as a water circulation heating type heat collector and a vacuum heat collecting tube type heat collector, the above-mentioned solar water heating apparatuses are used alone or in combination, when the above-mentioned solar water heating apparatuses are used in combination, the heating performance is greatly improved, and the heating performance is greatly improved, for example, a patent document with chinese application No. 201310624821.8 discloses a solar medium-high temperature water heating apparatus, the water circulation heating type heat collector and the vacuum heat collecting tube type heat collector are combined together to heat water, but both heat water in the same box all the time, and there is always cold and heat transfer, therefore, even if both of them are used together, there is certainly cold and heat transfer when cold water enters, and the whole water temperature is affected.
Disclosure of Invention
The invention aims to provide a photovoltaic solar water heating device capable of heating water quickly, so that the defect that the whole water temperature is influenced due to cold water impact when two heating devices heat water in the same box body at the same time is overcome.
In order to achieve the above object, the present invention provides a rapid heating photovoltaic solar water heating apparatus, comprising:
a first preheating water tank;
the back of the first heat collector is provided with an upper circulating pipe, a lower circulating pipe and a plurality of branch pipes connected between the upper circulating pipe and the lower circulating pipe, the lower circulating pipe is connected with the bottom of the water inlet side of the first preheating water tank, and the upper circulating pipe is connected with the top of the water outlet side of the first preheating water tank;
the first heat exchange pipeline of the first heat exchanger is respectively connected with the water outlet of the first preheating water tank and the water inlet of the second preheating water tank; the water outlet of the second preheating water tank is divided into two paths, and one path of the water outlet of the second preheating water tank extends to the top of the water inlet side of the first preheating water tank through the second heat exchange pipeline of the first heat exchanger;
the hot end of the vacuum heat collecting pipe on the first vacuum heat collector extends to the bottom of the second preheating water tank in a sealing way;
the other path of the water outlet of the second preheating water tank is connected with the water inlet of the high-temperature heating water tank through a first heat exchange pipeline of the second heat exchanger, one end of a second heat exchange pipeline of the second heat exchanger is communicated with the water outlet side of the high-temperature heating water tank, and the other end of the second heat exchange pipeline of the second heat exchanger is communicated with the water inlet side of the second preheating water tank; and
the hot end of the vacuum heat collecting pipe on the second vacuum heat collector extends to the bottom of the high-temperature heating water tank in a sealing manner;
the photovoltaic module comprises a solar cell panel, a frame for mounting the solar cell panel and a bottom plate arranged at the bottom of the frame, wherein a cavity is formed between the solar cell panel and the bottom plate;
one end of the heat transfer pipe is communicated with the cavity, the heat transfer pipe is sequentially connected with the plurality of branch pipes of the first heat collector, and an exhaust fan is arranged in the heat transfer pipe;
and water pumps are arranged on the first heat exchange pipeline and the second heat exchange pipeline of the first heat exchanger and the second heat exchanger.
Preferably, in the above technical scheme, the heating system further comprises a temperature sensor, a controller and a display screen, wherein the first preheating water tank, the second preheating water tank and the high-temperature heating water tank are all internally provided with a temperature sensor, and the three temperature sensors and the display screen are respectively connected with the controller.
Preferably, in the above technical scheme, the first preheating water tank, the second preheating water tank and the high-temperature heating water tank are all provided with heat preservation layers on the outsides.
Preferably, in the above technical scheme, the first heat exchanger and the second heat exchanger are both provided with heat insulating layers on the outsides thereof.
Preferably, in the above technical solution, the first preheating water tank, the second preheating water tank, and the high-temperature heating water tank are rectangular or cylindrical.
Preferably, in the above technical solution, the solar cell further includes a storage battery connected to the solar cell panel.
Preferably, in the technical scheme, a temperature sensor is arranged in the cavity, the exhaust fan is connected with the storage battery through a normally open switch of the relay, and the temperature sensor is connected with the control end of the relay.
Compared with the prior art, the invention has the following beneficial effects:
according to the photovoltaic solar water heating device capable of rapidly heating, the two heat exchangers are used for continuously heating the preheated low-temperature water by using the high-temperature water, so that the water to be heated can obtain a better temperature addition before heating, and the higher temperature can be rapidly reached during heating.
Drawings
Fig. 1 is a structural view of a rapid heating photovoltaic solar water heating apparatus according to the present invention.
Description of the main reference numerals:
1-a first preheating water tank, 2-a first heat collector, 3-an upper circulating pipe, 4-a lower circulating pipe, 5-a branch pipe, 6-a first heat exchanger, 7-a second preheating water tank, 8-a first vacuum heat collector, 9, 12-vacuum heat collecting pipes, 10-a high-temperature heating water tank, 11-a second vacuum heat collector, 13-a second heat exchanger and 14-a water pump.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in fig. 1, the rapid heating photovoltaic solar water heating apparatus in this embodiment includes: the system comprises a first preheating water tank 1, a first heat collector 2, a second preheating water tank 7, a first heat exchanger 6, a first vacuum heat collector 8, a high-temperature heating water tank 10, a second heat exchanger 13, a second vacuum heat collector 11, a temperature sensor, a controller and a display screen. The back of the first heat collector 2 is provided with an upper circulating pipe 3, a lower circulating pipe 4 and a plurality of branch pipes 5 connected between the upper circulating pipe and the lower circulating pipe, the lower circulating pipe 4 is connected with the bottom of the water inlet side of the first preheating water tank 1, and the upper circulating pipe 3 is connected with the top of the water outlet side of the first preheating water tank 1. A first heat exchange pipeline of the first heat exchanger 6 is respectively connected with a water outlet of the first preheating water tank 1 and a water inlet of the second preheating water tank 7; the water outlet of the second preheating water tank 7 is divided into two paths, and one path of the water outlet extends to the top of the water inlet side of the first preheating water tank 1 through the second heat exchange pipeline of the first heat exchanger 6. The hot end of the vacuum heat collecting pipe 9 on the first vacuum heat collector 8 extends to the bottom of the second preheating water tank 7 in a sealing way. Firstly, the first preheating water tank 1 collects water with higher temperature in the second preheating water tank 7 through the first heat exchanger 6, and simultaneously, the water coming out of the first preheating water tank 1 enters the second preheating water tank 7 after being subjected to primary temperature addition in the first heat exchanger 6, so that the temperature of the water entering the second preheating water tank 7 is ensured.
With reference to fig. 1, the other path of the water outlet of the second preheating water tank 7 is connected to the water inlet of the high-temperature heating water tank 10 through the first heat exchange pipeline of the second heat exchanger 13, one end of the second heat exchange pipeline of the second heat exchanger 13 is communicated with the water outlet side of the high-temperature heating water tank 10, and the other end is communicated to the water inlet side of the second preheating water tank 7. The hot end of the evacuated collector tube 12 on the second evacuated collector 11 extends to the bottom of the high temperature heating water tank 10 in a sealed manner. Similarly, the second preheating water tank 7 collects the high-temperature water transferred from the high-temperature heating water tank 10 through the second heat exchanger 13, and simultaneously, the water coming out of the second preheating water tank 7 is added at a time in the second heat exchanger 13 and then enters the high-temperature heating water tank 10, so that the water entering the high-temperature heating water tank 10 has a higher temperature, and then the water can be rapidly heated to a higher temperature through the high-temperature heating water tank 10.
Wherein, the first heat exchange pipeline and the second heat exchange pipeline of first heat exchanger 6 and second heat exchanger 13 all are equipped with water pump 14 on the road, are responsible for the water in the conveying pipeline by water pump 14. A temperature sensor is arranged in each of the first preheating water tank 1, the second preheating water tank 7 and the high-temperature heating water tank 10, and the three temperature sensors and the display screen are respectively connected with the controller and can display the temperature in the three tanks in real time.
In this embodiment, it is further preferable that a photovoltaic module and a storage battery are introduced, the photovoltaic module includes a solar panel, a frame for mounting the solar panel, and a bottom plate disposed at the bottom of the frame, and a cavity is formed between the solar panel and the bottom plate. One end of the heat transfer pipe is communicated with the cavity, the heat transfer pipe is sequentially connected with a plurality of branch pipes (the heat transfer pipe is preferably an S-shaped pipe network) of the first heat collector, and an exhaust fan is arranged in the heat transfer pipe. The storage battery is connected with the solar panel to be used as a power supply. Wherein, be equipped with temperature sensor in the cavity, the air exhauster passes through the normally open switch of relay and is connected with the battery, and temperature sensor connects the control end of relay, and the normally open switch of control relay is closed when the temperature sensor response surpasss a definite value, and the air exhauster gets the electricity and extracts the hot-blast many spinal branchs of first heat collector heating, is less than a time then the normally open switch of control relay and opens. The power generation efficiency of the photovoltaic module is improved, and the heating efficiency of the first heat collector is improved.
In this embodiment, it is further preferable that the first preheating water tank, the second preheating water tank, and the high-temperature heating water tank are provided with heat insulating layers on the outer sides thereof, the first heat exchanger and the second heat exchanger are provided with heat insulating layers on the outer sides thereof, and the first preheating water tank, the second preheating water tank, and the high-temperature heating water tank are rectangular or cylindrical.
According to the photovoltaic solar water heating device capable of rapidly heating, the two heat exchangers are used for continuously heating the preheated low-temperature water by using the high-temperature water, so that the water to be heated can obtain a better temperature addition before heating, and the higher temperature can be rapidly reached during heating.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A rapid heating photovoltaic solar water heating device is characterized by comprising:
a first preheating water tank;
the back of the first heat collector is provided with an upper circulating pipe, a lower circulating pipe and a plurality of branch pipes connected between the upper circulating pipe and the lower circulating pipe, the lower circulating pipe is connected with the bottom of the water inlet side of the first preheating water tank, and the upper circulating pipe is connected with the top of the water outlet side of the first preheating water tank;
the first heat exchange pipeline of the first heat exchanger is respectively connected with the water outlet of the first preheating water tank and the water inlet of the second preheating water tank; the water outlet of the second preheating water tank is divided into two paths, and one path of the water outlet of the second preheating water tank extends to the top of the water inlet side of the first preheating water tank through the second heat exchange pipeline of the first heat exchanger;
the hot end of the vacuum heat collecting pipe on the first vacuum heat collector extends to the bottom of the second preheating water tank in a sealing way;
the other path of the water outlet of the second preheating water tank is connected with the water inlet of the high-temperature heating water tank through a first heat exchange pipeline of the second heat exchanger, one end of a second heat exchange pipeline of the second heat exchanger is communicated with the water outlet side of the high-temperature heating water tank, and the other end of the second heat exchange pipeline of the second heat exchanger is communicated with the water inlet side of the second preheating water tank;
the hot end of the vacuum heat collecting pipe on the second vacuum heat collector extends to the bottom of the high-temperature heating water tank in a sealing manner; and
the photovoltaic module comprises a solar cell panel, a frame for mounting the solar cell panel and a bottom plate arranged at the bottom of the frame, wherein a cavity is formed between the solar cell panel and the bottom plate;
one end of the heat transfer pipe is communicated with the cavity, the heat transfer pipe is sequentially connected with the plurality of branch pipes of the first heat collector, and an exhaust fan is arranged in the heat transfer pipe;
and water pumps are arranged on the first heat exchange pipeline and the second heat exchange pipeline of the first heat exchanger and the second heat exchanger.
2. The rapid heating photovoltaic solar water heating device according to claim 1, further comprising a temperature sensor, a controller and a display screen, wherein the first preheating water tank, the second preheating water tank and the high temperature heating water tank are all provided with one temperature sensor, and the three temperature sensors and the display screen are respectively connected with the controller.
3. The rapid heating photovoltaic solar water heating device according to claim 1, wherein the first preheating water tank, the second preheating water tank and the high temperature heating water tank are provided with heat insulating layers on the outer portions.
4. The rapid heating photovoltaic solar water heating device according to claim 1, wherein the first heat exchanger and the second heat exchanger are provided with heat insulating layers on the outer portions.
5. The rapid heating photovoltaic solar water heating device according to claim 1, wherein the first preheating water tank, the second preheating water tank and the high temperature heating water tank are rectangular or cylindrical.
6. The rapid heating photovoltaic solar hot water apparatus of claim 1, further comprising a storage battery connected to the solar panel.
7. The rapid heating photovoltaic solar water heating device according to claim 7, wherein a temperature sensor is arranged in the cavity, the exhaust fan is connected with the storage battery through a normally open switch of a relay, and the temperature sensor is connected with a control end of the relay.
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CN202010044611.1A CN111238058B (en) | 2020-01-16 | 2020-01-16 | Rapid heating photovoltaic solar water heating device |
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CN202010044611.1A CN111238058B (en) | 2020-01-16 | 2020-01-16 | Rapid heating photovoltaic solar water heating device |
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CN111238058A true CN111238058A (en) | 2020-06-05 |
CN111238058B CN111238058B (en) | 2021-07-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112611115A (en) * | 2020-12-18 | 2021-04-06 | 广西赫阳能源科技有限公司 | Heating device for photovoltaic and heat pump |
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CN201318740Y (en) * | 2008-11-25 | 2009-09-30 | 屠敏 | Electrothermal vacuum superconducting heating equipment |
CN201407829Y (en) * | 2009-05-21 | 2010-02-17 | 王强 | Split integral inner circulation solar energy water heater |
WO2011058401A1 (en) * | 2009-09-25 | 2011-05-19 | Waterco Limited | Modular thermal water solar panel system |
CN109579125A (en) * | 2018-11-30 | 2019-04-05 | 北京星亚阳光科技有限公司 | Both hot air and hot water solar energy train |
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2020
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101526241A (en) * | 2008-03-04 | 2009-09-09 | 钱伟民 | Bidirectional heat pump solar energy heating system |
CN201273720Y (en) * | 2008-08-05 | 2009-07-15 | 东莞市蓝冠环保节能科技有限公司 | Oil field single well oil storage tank solar heating apparatus |
CN201318740Y (en) * | 2008-11-25 | 2009-09-30 | 屠敏 | Electrothermal vacuum superconducting heating equipment |
CN201407829Y (en) * | 2009-05-21 | 2010-02-17 | 王强 | Split integral inner circulation solar energy water heater |
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CN109579125A (en) * | 2018-11-30 | 2019-04-05 | 北京星亚阳光科技有限公司 | Both hot air and hot water solar energy train |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112611115A (en) * | 2020-12-18 | 2021-04-06 | 广西赫阳能源科技有限公司 | Heating device for photovoltaic and heat pump |
CN112611115B (en) * | 2020-12-18 | 2022-07-19 | 广西赫阳能源科技有限公司 | Heating device for photovoltaic and heat pump |
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Effective date of registration: 20220531 Address after: No.702, 7th floor, block B, No.1 standard factory building, 189 Fazhan Avenue, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI GUOBO TECHNOLOGY Co.,Ltd. Address before: 530007 Guangxi Academy of Sciences, No. 98 Daling Road, Nanning, Guangxi Zhuang Autonomous Region Patentee before: NANNING HONGLING ENERGY TECHNOLOGY CO.,LTD. |
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