Solar photovoltaic coupling methanol heating stove combined heating system

Abstract

The utility model relates to the technical field of solar photovoltaics, and discloses a solar photovoltaic coupling methanol heating stove combined heating system which comprises a photovoltaic power generation assembly for converting solar energy into electric energy. The photovoltaic power generation assembly is introduced, power is supplied to household equipment through photovoltaic power generation, outsourcing electric quantity is reduced, cost is greatly reduced, economical efficiency is improved, redundant photovoltaic power is converted into heat energy through the electric heating rod, the heat energy is stored in the energy storage box and used for heating, and the economical efficiency of the system is further improved. A methanol heating furnace is configured, methanol fuel is introduced into the system as auxiliary fuel, on one hand, the heating requirement can be met and the system reliability can be improved when no photovoltaic power is output in long-time cloudy and rainy weather, and on the other hand, the auxiliary fuel can reduce the scale of an energy storage module, reduce the scale of photovoltaic power generation and reduce the overall manufacturing cost of the system. The heating cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of solar photovoltaic technology, in particular to a solar photovoltaic coupled methanol heating furnace combined heating system. Background Art

[0002] Clean heating refers to the use of clean energy such as natural gas, electricity, geothermal energy, biomass, solar energy, industrial waste heat, clean coal (ultra-low emission), nuclear energy, etc., to achieve low-emission and low-energy heating through efficient energy systems. The core is "eliminating loose coal and desulfurization". The focus of clean heating in the north is in rural areas, and the difficulty is also in rural areas. Overall, without considering financial subsidies, clean stoves have the lowest operating cost, which is about 1.5 times that of loose coal heating; air source heat pumps have a low operating cost, which is about 2 times that of loose coal heating; gas wall-mounted boilers have a medium operating cost, which is about 2-3 times that of loose coal heating; direct / storage electric heaters have the highest operating cost, which is about 3-5 times that of loose coal heating.

[0003] Solar energy is a renewable energy source, but solar heating has the following problems: (1) The unstable solar radiation causes the amount of collected heat to fluctuate, and the heat output stability is poor; (2) The periodicity of solar energy causes more heat during the day and no heat at night, and the continuity of heat output is poor; (3) Due to the influence of weather, solar energy is intermittent, and the reliability of heat output is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a solar photovoltaic coupled methanol heating furnace combined heating system to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solar photovoltaic coupled methanol heating furnace combined heating system, including a photovoltaic power generation component that converts solar energy into electrical energy, and also including: a power supply cabinet arranged outside the photovoltaic power generation component to provide photovoltaic power generation to user electrical appliances, an electric heating rod that converts electrical energy into thermal energy is arranged on the outside of the power supply cabinet, an energy storage box that stores thermal energy is arranged on the outside of the electric heating rod, and a heat exchanger is arranged on the outside of the energy storage box; a methanol heating furnace for auxiliary heating is arranged on the outside of the heat exchanger, a heating room is arranged on the outside of the methanol heating furnace, and an air source hot air blower for adjusting the temperature of the heating room is arranged on the outside of the heating room.

[0006] Preferably, the photovoltaic power generation component includes a solar cell group that converts solar energy into electrical energy for storage, an inverter is arranged outside the solar cell group, a monitoring module is arranged outside the inverter, and an AC distribution box is arranged outside the monitoring module.

[0007] Preferably, the output end of the solar cell group is connected to the input end of the inverter, the output end of the inverter is connected to the AC distribution box, and the AC distribution box is connected to the power supply cabinet.

[0008] Preferably, a bracket is provided on the outside of the photovoltaic power generation component, a fixing frame is provided at the bottom of the solar cell group, the fixing frame is fixed to the top of the bracket, and the inverter, monitoring module and AC distribution box are all fixed to the bracket through mounting blocks.

[0009] Preferably, the heat storage medium inside the energy storage box is water; the heat exchange medium is water or antifreeze; and the heat supply medium is water or antifreeze.

[0010] Preferably, the methanol heating furnace adopts a wall-mounted methanol heating furnace or a floor-standing methanol heating furnace, and the methanol heating furnace is connected to a heat exchanger to form a heating medium loop.

[0011] Preferably, a mounting assembly is provided on the outside of the air source hot air blower, and the mounting assembly includes a mounting frame fixedly connected to the bottom support of the air source hot air blower, and a mounting rod and fixing bolts are provided on the outside of the mounting frame to fix the mounting frame to the outside of the heating room.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model introduces a photovoltaic power generation component, which uses photovoltaic power generation to power household appliances, reduces the amount of electricity purchased, greatly reduces costs and improves economy. At the same time, excess photovoltaic electricity is converted into heat energy through an electric heating rod and stored in an energy storage box for heating, further improving the economy of the system. A methanol heating furnace is configured, and methanol fuel is introduced into the system as an auxiliary fuel. On the one hand, it can meet the heating needs when there is no photovoltaic power output during long periods of rainy weather and improve the reliability of the system. On the other hand, the presence of auxiliary fuel can reduce the scale of the energy storage module, reduce the scale of photovoltaic power generation, reduce the overall cost of the system, and reduce the heating cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a solar photovoltaic coupled methanol heating furnace combined heating system provided by the utility model;

[0015] Figure 2 A schematic diagram of the structure of a photovoltaic power generation assembly provided by the utility model;

[0016] Figure 3 A schematic diagram of the structure of a heating room and an air source hot air blower provided by the utility model;

[0017] Figure 4 This is a schematic diagram of the air source hot air blower and installation assembly structure provided by the utility model.

[0018] In the figure: 1. Photovoltaic power generation component; 101. Solar cell group; 102. Inverter; 103. Monitoring module; 104. AC distribution box; 2. Power supply cabinet; 3. Electric heating rod; 4. Energy storage box; 5. Heat exchanger; 6. Methanol heating furnace; 7. Heating room; 8. Air source hot air blower; 9. Installation component; 901. Installation frame; 902. Installation rod; 903. Fixing bolt; 10. Bracket; 11. Fixing frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 As shown, a solar photovoltaic coupled methanol heating furnace combined heating system includes a photovoltaic power generation component 1 for converting solar energy into electrical energy, and also includes: a power supply cabinet 2 arranged outside the photovoltaic power generation component 1 to provide photovoltaic power generation to user electrical appliances, an electric heating rod 3 for converting electrical energy into thermal energy is arranged outside the power supply cabinet 2, an energy storage box 4 for storing thermal energy is arranged outside the electric heating rod 3, and a heat exchanger 5 is arranged outside the energy storage box 4; a methanol heating furnace 6 for auxiliary heating is arranged outside the heat exchanger 5, a heating room 7 is arranged outside the methanol heating furnace 6, and an air source hot air blower 8 for adjusting the temperature of the heating room is arranged outside the heating room 7.

[0021] It should be noted that: the introduction of photovoltaic power generation components 1, the use of photovoltaic power generation to power household appliances, reduce the purchase of electricity, greatly reduce costs and improve economy, while the excess photovoltaic electricity is converted into heat energy through the electric heating rod 3 and stored in the energy storage box 4 for heating, further improving the economy of the system; configuring a methanol heating furnace 6, introducing methanol fuel as an auxiliary fuel in the system, on the one hand, can cope with long periods of rainy weather when there is no photovoltaic power output, meet the heating needs and improve system reliability, on the other hand, the presence of auxiliary fuel can reduce the scale of the energy storage module, reduce the scale of photovoltaic power generation, reduce the overall cost of the system, and reduce the heating cost.

[0022] refer to Figure 1 and Figure 2As shown, the photovoltaic power generation component 1 includes a solar cell group 101 for converting solar energy into electrical energy for storage, an inverter 102 is arranged on the outside of the solar cell group 101, a monitoring module 103 is arranged on the outside of the inverter 102, and an AC distribution box 104 is arranged on the outside of the monitoring module 103; the output end of the solar cell group 101 is connected to the input end of the inverter 102, the output end of the inverter 102 is connected to the AC distribution box 104, and the AC distribution box 104 is connected to the power supply cabinet 2; a bracket 10 is arranged on the outside of the photovoltaic power generation component 1, a fixing frame 11 is arranged at the bottom of the solar cell group 101, the fixing frame 11 is fixed to the top of the bracket 10, and the inverter 102, the monitoring module 103 and the AC distribution box 104 are all fixed on the bracket 10 by mounting blocks. The solar cell group 101 is used to convert solar energy into electrical energy for storage, the inverter 102 is used to convert direct current into alternating current, the monitoring module 103 is used to monitor the current, voltage and power in real time, so as to promptly discover power usage problems and hidden dangers, and the AC distribution box 104 is used to distribute electricity.

[0023] refer to Figure 1 As shown, the heat storage medium inside the energy storage box 4 is water; the heat exchange medium is water or antifreeze; the heating medium is water or antifreeze; the methanol heating furnace 6 adopts a wall-mounted methanol heating furnace or a floor-standing methanol heating furnace, and the methanol heating furnace 6 is connected with the heat exchanger 5 to form a heating medium loop; the energy storage box 4 converts the electric energy generated by photovoltaic power generation into thermal energy through the electric heating rod 3, stores the thermal energy through the heat storage medium, and releases it when needed, the methanol heating furnace 6 is connected with the heat exchanger 5 to form a heating medium loop, when the heat energy stored in the energy storage box 4 cannot meet the heat demand of the heating room 7, the methanol heating furnace 6 is ignited and operated, so that the heat energy generated by the combustion of methanol is transferred to the heating room 7.

[0024] refer to Figure 3 and Figure 4 As shown, a mounting assembly 9 is provided on the outside of the air source hot air blower 8, and the mounting assembly 9 includes a mounting frame 901 fixedly connected to the bottom support of the air source hot air blower 8, and a mounting rod 902 and a fixing bolt 903 are provided on the outside of the mounting frame 901 to fix the mounting frame 901 on the outside of the heating room 7. The heating room 7 is provided with an air source hot air blower 8, and the air source hot air blower 8 is connected to the power supply cabinet 2. The air source hot air blower 8 can provide hot air for the heating room 7 in winter, and can provide cold air for the heating room 7 in summer. In addition, photovoltaic power generation can also power users' household appliances to meet daily electricity needs.

[0025] Working principle: the photovoltaic power generation component 1 is connected to the user power supply cabinet 2 through the AC distribution box 104, the electric heating rod 3 is connected to the user power supply cabinet 2 through a cable, and the electric heating rod 3 is connected to the energy storage box 4. The electric energy generated by the photovoltaic power is used to heat the hot water inside the energy storage box 4 through the electric heating rod 3, so as to convert the electric energy into heat energy for storage; the heat exchanger 5 is built into the energy storage box 4, so that the heat energy stored in the energy storage box 4 is transferred to the heating room 7 through the heat exchange medium loop pipeline in the heat exchanger 5; the methanol heating furnace 6 is connected to the heat exchanger 5 through a pipeline to form a heating medium loop. When the heat stored in the energy storage box 4 cannot meet the heat demand of the heating room 7 When the methanol heating furnace 6 is ignited, the heat energy generated by the combustion of methanol is transferred to the heating room 7 through the heating pipe; the heating room 7 is provided with an air source hot air blower 8, which is connected to the user power supply cabinet 2. The air source hot air blower 8 is a device that uses the heat in the air for heating. Its working principle is similar to that of an air conditioner, and it also circulates the refrigeration / heating agent indoors and outdoors to achieve the purpose of heating in winter and cooling in summer. The air source hot air blower 8 is connected to the heating room 7 through a pipe. The air source hot air blower 8 can provide hot air for the heating room 7 in winter and cold air for the heating room 7 in summer. In addition, photovoltaic power generation can also power users' household appliances to meet daily electricity needs.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solar photovoltaic coupled methanol heating furnace combined heating system, comprising a photovoltaic power generation component (1) for converting solar energy into electrical energy, characterized in that: Also includes: A power supply cabinet (2) is arranged outside the photovoltaic power generation assembly (1) to provide photovoltaic power generation to user electrical appliances, an electric heating rod (3) is arranged outside the power supply cabinet (2) to convert electric energy into thermal energy, an energy storage box (4) is arranged outside the electric heating rod (3) to store thermal energy, and a heat exchanger (5) is arranged outside the energy storage box (4); A methanol heating furnace (6) for auxiliary heating is arranged outside the heat exchanger (5), a heating room (7) is arranged outside the methanol heating furnace (6), and an air source hot air blower (8) for adjusting the temperature of the heating room (7) is arranged outside the heating room (7).

2. A solar photovoltaic coupled methanol heating furnace combined heating system according to claim 1, characterized in that: The photovoltaic power generation assembly (1) comprises a solar cell group (101) for converting solar energy into electrical energy for storage, an inverter (102) is arranged outside the solar cell group (101), a monitoring module (103) is arranged outside the inverter (102), and an AC distribution box (104) is arranged outside the monitoring module (103).

3. A solar photovoltaic coupled methanol heating furnace combined heating system according to claim 2, characterized in that: The output end of the solar cell group (101) is connected to the input end of the inverter (102), the output end of the inverter (102) is connected to the AC distribution box (104), and the AC distribution box (104) is connected to the power supply cabinet (2).

4. A solar photovoltaic coupled methanol heating furnace combined heating system according to claim 2, characterized in that: A bracket (10) is arranged on the outside of the photovoltaic power generation assembly (1), a fixing frame (11) is arranged at the bottom of the solar cell group (101), the fixing frame (11) is fixed on the top of the bracket (10), and the inverter (102), the monitoring module (103) and the AC distribution box (104) are all fixed on the bracket (10) via a mounting block.

5. The solar photovoltaic coupled methanol heating furnace combined heating system according to claim 1 is characterized by: The heat storage medium inside the energy storage box (4) is water; the heat exchange medium is water or antifreeze; and the heat supply medium is water or antifreeze.

6. A solar photovoltaic coupled methanol heating furnace combined heating system according to claim 1, characterized in that: The methanol heating furnace (6) is a wall-mounted methanol heating furnace or a floor-standing methanol heating furnace, and the methanol heating furnace (6) is connected to the heat exchanger (5) to form a heating medium loop.

7. The solar photovoltaic coupled methanol heating furnace combined heating system according to claim 1 is characterized by: A mounting assembly (9) is arranged on the outside of the air source hot air blower (8), and the mounting assembly (9) comprises a mounting frame (901) fixedly connected to the bottom of the air source hot air blower (8), and a mounting rod (902) and a fixing bolt (903) are arranged on the outside of the mounting frame (901) for fixing the mounting frame (901) on the outside of the heating room (7).

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