CN217715498U - Solar photo-thermal and photovoltaic power generation combined heating system - Google Patents
Solar photo-thermal and photovoltaic power generation combined heating system Download PDFInfo
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- CN217715498U CN217715498U CN202221275318.7U CN202221275318U CN217715498U CN 217715498 U CN217715498 U CN 217715498U CN 202221275318 U CN202221275318 U CN 202221275318U CN 217715498 U CN217715498 U CN 217715498U
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Abstract
The utility model discloses a solar photo-thermal and photovoltaic power generation combined heating system, which comprises a plurality of photo-thermal heating machines connected in parallel or in series, a plurality of photovoltaic mechanisms connected in parallel or in series and an electric auxiliary mechanism, wherein the photo-thermal heating machines and the photovoltaic mechanisms are arranged outdoors, and the electric auxiliary mechanism is arranged indoors; the upper end of the photo-thermal heating machine is provided with a water tank, a bracket at the lower end of the photo-thermal heating machine is provided with a heat collecting pipe, the tail end of a water return pipe of the water tank is connected with the water outlet end below the heating mechanism, the water inlet end of the heating mechanism is communicated with the electric auxiliary mechanism, and the tail end of a water supply pipe of the water tank is communicated with the electric auxiliary mechanism through a circulating pump; the photovoltaic mechanism is connected with the inverter through a photovoltaic direct current cable. The utility model discloses a foretell solar photothermal and photovoltaic power generation combined heating system, safe and reliable, running cost are low to satisfy sustainable income's novel family and use heating system.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy technique and specifically relates to a solar photothermal and photovoltaic power generation combined heating system is related to.
Background
Under the actual environment that energy is increasingly tense, people waste energy seriously, and the development and utilization rate of new energy and clean renewable energy is still low. The utilization condition of the new energy technology applied to the demand fields of resident hot water, heating and the like is improved, and the influence of the energy crisis on the ecological environment can be relieved to a great extent. The traditional rural household heating has the defects of low resource utilization rate, high operation cost, high capital investment, poor user experience and the like.
In recent years, with the coordination, fusion and compromise among enterprises, governments and farmers, the coal-to-clean energy heating for the users in rural areas in China has made a considerable progress. Particularly, the solar photo-thermal system is mainly combined with systems in auxiliary energy forms such as biomass, gas and electric boilers, and is rapidly popularized and popularized in north China. However, this system has been practiced on a scale of operation and has been found to suffer from the following disadvantages. Firstly, the heat provided by the solar photothermal part can not completely meet the requirement of heating heat load, and a larger part of auxiliary energy is still needed for heating in cold seasons; secondly, the initial investment of the system is high, and a certain proportion of capital is needed for government policy subsidy and farmers to settle; thirdly, the system benefits are only met by the heating requirements of users, and a certain proportion of auxiliary energy operation cost is also paid.
Therefore, the photovoltaic power generation system and the photo-thermal system are jointly applied to the rural coal-to-clean energy system, so that the photo-thermal combined auxiliary energy heating and the auxiliary energy electric energy self-supply can be realized or the electric charge income and the temperature self-control can be obtained, the roof solar energy is fully utilized, the ecological environment-friendly type and even the low-carbon residences are built, the energy conservation and environmental protection of new energy, the easy maintenance, the manpower and material resources conservation and the long-term economic benefit are reflected, and the harmonious development of human and nature can be really realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heating system is united with photovoltaic power generation to solar photothermal, safe and reliable, running cost are low to satisfy the novel family of sustainable income and use heating system.
In order to achieve the purpose, the utility model provides a solar photo-thermal and photovoltaic power generation combined heating system, which comprises a plurality of photo-thermal heating machines connected in parallel or in series, a plurality of photovoltaic mechanisms connected in parallel or in series and an electric auxiliary mechanism, wherein the photo-thermal heating machines and the photovoltaic mechanisms are arranged outdoors, and the electric auxiliary mechanism is arranged indoors;
the upper end of the photo-thermal heating machine is provided with a water tank, a bracket at the lower end of the photo-thermal heating machine is provided with a heat collecting pipe, the tail end of a water return pipe of the water tank is connected with the water outlet end below the heating mechanism, the water inlet end of the heating mechanism is communicated with the electric auxiliary mechanism, and the tail end of a water supply pipe of the water tank is communicated with the electric auxiliary mechanism through a circulating pump;
the photovoltaic mechanism is connected with the inverter through a photovoltaic direct current cable, the inverter is connected with the grid-connected box through a photovoltaic alternating current cable, the net cage is electrically connected with the distribution box, and the inverter is further electrically connected with the energy storage battery pack and the electric auxiliary mechanism.
Preferably, temperature sensors are arranged at the water outlet of the water tank, the water return pipe and the water inlet end of the heating mechanism, a water level sensor is arranged in the water tank, and the temperature sensors and the water level sensor are connected with a cloud controller.
Preferably, the distribution box is connected with the cloud controller electricity through the photovoltaic power supply line, and the distribution box is still connected with the public power grid electricity.
Preferably, the circulating pump, the electric auxiliary mechanism, the data collector of the inverter and the energy storage battery pack are connected with a cloud controller.
Preferably, the water return pipe is connected with the far end of the water supply pipe, and the water supply pipe and the water return pipe on two sides of the water tank are provided with heat tracing bands on the outer sides.
Preferably, the inverter is provided with a 485 communication interface or a TCP/IP protocol port.
Preferably, a water valve and a maintenance ball valve are arranged on the water return pipe.
Preferably, the electric auxiliary mechanism is an electric boiler, an air source heat pump or an electric heating pipe.
Preferably, the water supply pipe and the water return pipe are both provided with an electric and manual two-way valve.
Therefore, the utility model adopts the above-mentioned solar photothermal and photovoltaic power generation combined heating system, can realize clean energy's step utilization, reduce heating system's running cost, satisfy the heating demand of whole day, and can provide the user and sell the electric income on the net. In addition, more financial schemes can be provided for initial investment, and another road is provided for rural coal-to-clean energy.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the solar photo-thermal and photovoltaic power generation combined heating system of the present invention.
Reference numerals
1. A photo-thermal heating machine; 2. a photovoltaic mechanism; 3. an electrical assist mechanism; 4. a water tank; 5. a water return pipe; 6. a water supply pipe; 7. yun Kongqi; 8. a heat tracing band; 9. an inverter; 10. and a net cage; 11. a distribution box; 12. a temperature sensor; 13. a circulation pump; 14. an energy storage battery pack; 15. a photovoltaic direct current cable; 16. a data acquisition unit; 17. a photovoltaic ac cable; 18. a photovoltaic power supply line; 19. a heating mechanism.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in the figure, the solar photo-thermal and photovoltaic power generation combined heating system comprises a plurality of photo-thermal heating machines 1 connected in parallel or in series, a plurality of photovoltaic mechanisms 2 connected in parallel or in series and an electric auxiliary mechanism 3, wherein the photo-thermal heating machines 1 and the photovoltaic mechanisms 2 are arranged outdoors and can convert light energy into heat energy or electric energy to be utilized. The electric assist mechanism 3 is disposed indoors, and the electric assist mechanism 3 can provide compensation for electricity or heat. The electric auxiliary mechanism 3 is an electric boiler, an air source heat pump or an electric heating pipe, and can start the heating device only by electric energy.
The upper end of the photo-thermal heating machine 1 is provided with a water tank 4, a support at the lower end of the photo-thermal heating machine is provided with a heat collecting tube, and the heat collecting tube utilizes light energy and heats water in the water tank 4. The upper part of the heat collecting pipe extends into a reserved vacuum pipe opening of the water tank 4 and is sealed by a silicon rubber sealing ring, and the tail part of the heat collecting pipe extends into a transverse tail support of the support to ensure that the heat collecting pipe does not fall off. The heat collecting pipe can be selected from any one of the following: all-glass vacuum heat collecting pipes, heat collecting pipes with pipe-in-pipe structures, all-glass heat pipe type vacuum heat collecting pipes and the like.
The end of the water return pipe 5 of the water tank 4 is connected with the water outlet end below the heating mechanism 19, the water source can provide water for the water tank, and meanwhile, cold water in the heating mechanism 19 can enter the water tank 4. The water return pipe 5 is provided with a water valve and a maintenance ball valve, so that the control of water flow on the water return pipe 5 is facilitated, and the maintenance is also facilitated. The outer sides of the water supply pipe 6 and the water return pipe 5 on two sides of the water tank 4 are provided with heat tracing belts 8, and the heat tracing belts 8 reduce heat loss. The water supply pipe 6 and the water return pipe 5 are both provided with an electric and manual two-way valve, so that the photo-thermal heating machine 1 and the electric auxiliary mechanism 3 can heat and switch each other conveniently.
The end of the water supply pipe 6 of the water tank 4 is communicated with the electric auxiliary mechanism 3 through a circulating pump 13, and the water of the water supply pipe 6 is conveyed to the electric auxiliary mechanism 3 under the power of the circulating pump 13. The return pipe 5 is connected with the far end of the water supply pipe 6, and the valve between the return pipe and the water supply pipe is designed to enable the hot water in the water tank 4 to directly enter the heating mechanism 19 for utilization. The water inlet end of the heating mechanism 19 is communicated with the electric auxiliary mechanism 3, and water heated by the electric auxiliary mechanism 3 can directly enter the heating mechanism 19 for utilization.
The photovoltaic mechanism 2 is connected with the inverter 9 through a photovoltaic direct current cable 17, and the electric energy converted by the photovoltaic mechanism 2 is converted into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current through the inverter 9. The photovoltaic mechanism adopts a 220V system to be connected with the grid, and the maximum installed power does not exceed 8kW. The inverter 9 is connected with the grid-connected box 10 through the photovoltaic alternating current cable 17, and the grid-connected box 10 is electrically connected with the distribution box 11, so that reasonable distribution of alternating current can be realized. The inverter 9 is provided with 485 communication interfaces or TCP/IP protocol ports, and the interfaces are various, so that connection of various ports can be realized.
The inverter 9 is also electrically connected to an energy storage battery 14, and electric energy can be stored through the energy storage battery 14. That is, the photovoltaic mechanism 2 is connected to the energy storage battery 14 through the inverter 9 for providing power to the user in environments such as poor light and rainy days. The inverter 9 is in signal connection with the electric auxiliary mechanism 3, and the electric auxiliary mechanism 3 realizes the supply of electric energy through power generation. Block terminal 11 passes through photovoltaic power supply line 18 and cloud accuse ware 7 electricity and links, and cloud accuse ware 7 can realize the quick monitoring of data in the block terminal 11 to realize fast speed adjusting and control.
The distribution box 11 is also electrically connected to the public power grid, through which distribution box 11 the electric energy flows to the public power grid. And the circulating pump 13, the electric auxiliary mechanism 3, the data collector 16 of the inverter 9 and the energy storage battery pack 14 are connected with the cloud controller 7, and the operation regulation and control of each mechanism can be realized through the cloud controller 7. Moreover, the cloud controller 7 can upload the whole set of system operation data to the big data cloud platform through the data module, so that control and management are facilitated.
In view of the fact that in the existing coal-to-electricity heating system, the existing village-level power grid needs to be modified to adapt to the application of a high-power system, and therefore numerous problems such as land occupation compensation and original planning defects are brought. The photovoltaic power generation system and the photo-thermal combined electric auxiliary equipment heating system are used for combined operation, the requirement of electric auxiliary equipment on transformation of a regional power grid in actual heating operation is met, and the system power demand basically realizes spontaneous self-use.
Under the sufficient condition of sunshine, photovoltaic system absorbs solar energy, supplies cloud accuse ware and electric auxiliary assembly to use, can get up reserve through the storage battery group storage with the surplus electricity simultaneously, for the resident family power supply night or overcast and rainy. In addition, the photovoltaic residual electric energy is stored through the energy storage battery pack, and can also be uploaded to a power grid through an inverter, a net cage, a distribution box and the like. Meanwhile, when the photothermal heating machine absorbs solar energy through the heat collecting pipes to enable the water temperature in the water tank to gradually rise and reach the set condition of the system, the Yun Kongqi starts the photothermal heating machine to heat. When the water temperature can't reach system start condition in the light and heat heating machine water tank, yun Kongqi starts the heating of electric auxiliary assembly, and electric auxiliary assembly power consumption accessible system cloud accuse ware is by commercial power access, also directly is accessed by photovoltaic system block terminal.
Therefore, the utility model adopts the above-mentioned solar photothermal and photovoltaic power generation combined heating system, safe and reliable, running cost are low to satisfy sustainable income's novel family and use heating system.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a solar photothermal and photovoltaic power generation combined heating system which characterized in that: the system comprises a plurality of photo-thermal heating machines connected in parallel or in series, a plurality of photovoltaic mechanisms connected in parallel or in series and an electric auxiliary mechanism, wherein the photo-thermal heating machines and the photovoltaic mechanisms are arranged outdoors, and the electric auxiliary mechanism is arranged indoors;
the upper end of the photo-thermal heating machine is provided with a water tank, a bracket at the lower end of the photo-thermal heating machine is provided with a heat collecting pipe, the tail end of a water return pipe of the water tank is connected with the water outlet end below the heating mechanism, the water inlet end of the heating mechanism is communicated with the electric auxiliary mechanism, and the tail end of a water supply pipe of the water tank is communicated with the electric auxiliary mechanism through a circulating pump;
the photovoltaic mechanism is connected with the inverter through a photovoltaic direct current cable, the inverter is connected with the grid-connected box through a photovoltaic alternating current cable, the net cage is electrically connected with the distribution box, and the inverter is further electrically connected with the energy storage battery pack and the electric auxiliary mechanism.
2. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: the water outlet of the water tank, the water return pipe and the water inlet end of the heating mechanism are respectively provided with a temperature sensor, a water level sensor is arranged in the water tank, and the temperature sensor and the water level sensor are respectively connected with a cloud controller.
3. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: the block terminal passes through the photovoltaic power supply line and links with the cloud accuse ware electricity, the block terminal still links with public electric wire netting electricity.
4. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: the circulating pump, the electric auxiliary mechanism, the data collector of the inverter and the energy storage battery pack are connected with a cloud controller.
5. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: the water return pipe is connected with the far end of the water supply pipe, and the water supply pipe and the water return pipe on two sides of the water tank are provided with heat tracing bands on the outer sides.
6. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: and a 485 communication interface or a TCP/IP protocol port is arranged on the inverter.
7. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: and a water valve and a maintenance ball valve are arranged on the water return pipe.
8. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: the electric auxiliary mechanism is an electric boiler, an air source heat pump or an electric heating pipe.
9. The solar photo-thermal and photovoltaic power generation combined heating system according to claim 1, characterized in that: and electric and manual two-way valves are arranged on the water supply pipe and the water return pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221275318.7U CN217715498U (en) | 2022-05-24 | 2022-05-24 | Solar photo-thermal and photovoltaic power generation combined heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221275318.7U CN217715498U (en) | 2022-05-24 | 2022-05-24 | Solar photo-thermal and photovoltaic power generation combined heating system |
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| CN217715498U true CN217715498U (en) | 2022-11-01 |
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| CN202221275318.7U Active CN217715498U (en) | 2022-05-24 | 2022-05-24 | Solar photo-thermal and photovoltaic power generation combined heating system |
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| CN (1) | CN217715498U (en) |
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