Photovoltaic heating multi-water-tank heat storage type circulating heating system

Abstract

The utility model discloses a photovoltaic heating multi-water-tank heat storage type circulating heating system which comprises heating water tanks, a water supply pipe is fixedly connected with the bottoms of at least two heating water tanks in a sealed mode, the water supply pipe is fixedly connected with a water return pipe in a sealed mode through a heater, and the water return pipe is fixedly connected with the tops of the heating water tanks in a sealed mode. A water supply electromagnetic valve is arranged between the heating water tank and the water supply pipe, a water return electromagnetic valve is arranged between the water return pipe and the heating water tank, a heating circulating pump is arranged on the water return pipe, the electric heating pipe is fixedly arranged in the heating water tank and electrically connected with the photovoltaic power generation assembly, and the heating circulating pump, the water supply electromagnetic valve and the water return electromagnetic valve are all electrically connected with the control center. The control center is electrically connected with the storage battery. The multiple heating water tanks conduct heating under the action of the photovoltaic power generation assembly, and after the temperature rises, heat is released one by one when the heater is used, in this way, heat supply can be conducted, heat supply can be kept for a long time, and the problem that heat supply is difficult for farmers and herdsmen in the plateau area is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating, in particular to a photovoltaic heating multi-water tank heat storage type circulation heating system. Background Art

[0002] Farmers and herdsmen living in the cold areas of western my country mostly use traditional methods such as burning firewood, coal and cow dung for heating in winter, which is not only cumbersome and environmentally unfriendly, but also has certain safety hazards. However, in these areas, especially in the plateau area, there is sufficient sunlight, so solar energy can be used for heating during the day. However, when there is no sunlight at night, heating is very inconvenient. The temperature at night is low, which leads to low indoor temperatures. Therefore, in these areas, farmers and herdsmen need a heating system that can ensure a relatively warm indoor temperature at night. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a photovoltaic heating multi-water tank heat storage type circulation heating system.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A photovoltaic heating multi-water tank heat storage circulation heating system, comprising a photovoltaic power generation component, a heating water tank, an electric heating pipe, a water supply pipe, a heater, a return pipe and a battery, the input end of the water supply pipe is sealed and fixedly connected to the bottom of at least two of the heating water tanks, the output end of the water supply pipe is sealed and fixedly connected to the input end of the return pipe through the heater, the output end of the return pipe is sealed and fixedly connected to the top of the heating water tank, a water supply solenoid valve is provided between the heating water tank and the water supply pipe, a return water solenoid valve is provided between the return pipe and the heating water tank, a heating circulation pump is provided on the return pipe, the electric heating pipe is fixedly provided inside the heating water tank and electrically connected to the photovoltaic power generation component, the heating circulation pump, the water supply solenoid valve and the return water solenoid valve are all electrically connected to a control center, the control center is electrically connected to the battery, and the battery is electrically connected to the photovoltaic power generation component.

[0006] Furthermore, the return water pipe is sealed and fixedly connected to the feed water pipe, the feed water pipe is provided with a feed water solenoid valve electrically connected to the control center, the return water pipe is provided with a return water check valve, and the return water check valve is arranged between the heating circulation pump and the feed water pipe.

[0007] Furthermore, a drain pipe is sealed and fixedly provided on the bottom of the heating water tank, and a drain valve is provided on the drain pipe.

[0008] Furthermore, a heat-insulating layer is arranged on the outside of the heating water tank, and a protective layer is arranged on the outside of the heat-insulating layer.

[0009] Furthermore, a liquid level meter is provided on the upper inner side of the heating water tank, and the liquid level meter is electrically connected to the control center.

[0010] Furthermore, a temperature control probe is provided inside the heating water tank, and the temperature control probe is electrically connected to the control center.

[0011] Furthermore, the electric heating pipe is arranged close to the bottom of the heating water tank, and a cleaning device cooperating with the electric heating pipe is arranged at the bottom of the heating water tank.

[0012] Furthermore, the electric heating tube is electrically connected to the photovoltaic power generation component through a first electric control switch, the cleaning device is electrically connected to the photovoltaic power generation component through a second electric control switch, and both the first electric control switch and the second electric control switch are electrically connected to the control center.

[0013] Furthermore, a tank opening is arranged on the top of the heating water tank, and a heat-insulating cover which is sealed with the tank opening is sealed on the tank opening.

[0014] Furthermore, the control center is electrically connected to the battery via an inverter, and the inverter is electrically connected to a state grid power supply.

[0015] The beneficial effects of the utility model are:

[0016] 1) In this technology, multiple heating water tanks are heated under the action of photovoltaic power generation components. After the temperature rises, the heater releases heat one by one when used. This can not only provide heating, but also maintain heating for a long time, effectively solving the problem of heating difficulties for farmers and herdsmen in plateau areas.

[0017] 2) In this technology, a thermal insulation layer and a protective layer are arranged on the outside of the heating water tank, which can effectively prevent the heat loss in the heating water tank.

[0018] 3) In this technology, a cleaner is provided to effectively clean the electric heating tube, preventing scale or sediment from adhering to the electric heating tube and causing a decrease in heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the connection structure of the circulation heating system;

[0020] In the figure, 1-photovoltaic power generation component, 2-heating water tank, 3-electric heating pipe, 4-water supply pipe, 5-heater, 6-return pipe, 7-battery, 8-water supply solenoid valve, 9-return solenoid valve, 10-heating circulation pump, 11-water supply pipe, 12-water supply solenoid valve, 13-return water check valve, 14-drain pipe, 15-drain valve, 16-insulation layer, 17-protective layer, 18-liquid level meter, 19-temperature control probe, 20-cleaner, 21-first electric control switch, 22-second electric control switch, 23-insulation cover, 24-inverter, 25-State Grid power supply. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments to clearly and completely describe the technical solution 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , the utility model provides a technical solution:

[0023] A photovoltaic heating multi-water tank heat storage circulation heating system comprises a photovoltaic power generation assembly 1, a heating water tank 2, an electric heating pipe 3, a water supply pipe 4, a heater 5, a return pipe 6 and a battery 7, the input end of the water supply pipe 4 is sealed and fixedly connected to the bottom of at least two heating water tanks 2, the output end of the water supply pipe 4 is sealed and fixedly connected to the input end of the return pipe 6 through the heater 5, the output end of the return pipe 6 is sealed and fixedly connected to the top of the heating water tank 2, a water supply solenoid valve 8 is arranged between the heating water tank 2 and the water supply pipe 4, a return water solenoid valve 9 is arranged between the return pipe 6 and the heating water tank 2, a heating circulation pump 10 is arranged on the return pipe 6, the electric heating pipe 3 is fixedly arranged inside the heating water tank 2 and is electrically connected to the photovoltaic power generation assembly 1, the heating circulation pump 10, the water supply solenoid valve 8 and the return water solenoid valve 9 are all electrically connected to a control center, the control center is electrically connected to the battery 7, and the battery 7 is electrically connected to the photovoltaic power generation assembly 1. Among them, the photovoltaic power generation component 1, the electric heating tube 3, the heater 5, the heating circulation pump 10 and the battery 7 are all existing technologies. The function of the photovoltaic power generation component 1 is to provide electric energy for the entire circulating heating system. A large amount of water is stored in the heating water tank 2, and the heat energy is stored after being heated by the electric heating tube 3. The hot water in the heating water tank 2 forms a loop through the water supply pipe 4, the heater 5 and the return pipe 6. The heater 5 is placed indoors to release a large amount of heat. Part of the electric energy generated by the photovoltaic power generation component 1 is stored in the battery 7. The battery 7 provides electric energy for the control center, and the control center controls the operation of the entire circulating heating system. There are multiple heating water tanks 2, and each heating water tank 2 is correspondingly provided with a water supply solenoid valve 8 and a return water solenoid valve 9. When the thermal energy in the heating water tank 2 is used, the water supply solenoid valve 8 and the return water solenoid valve 9 are both opened. After the water temperature drops, the water supply solenoid valve 8 and the return water solenoid valve 9 on the heating water tank 2 are closed, and then the water supply solenoid valve 8 and the return water solenoid valve 9 on another heating water tank 2 are opened, so that the other heating water tank 2 continues to release heat through the heater 5, which can effectively ensure that the room can be heated all the time.

[0024] In some embodiments, the return water pipe 6 is sealed and fixedly connected to the water supply pipe 11, and a water supply solenoid valve 12 electrically connected to the control center is provided on the water supply pipe 11. A water supply check valve 13 is provided on the return water pipe 6, and the water supply check valve 13 is provided between the heating circulation pump 10 and the water supply pipe 11. A liquid level gauge 18 is provided on the upper side of the interior of the heating water tank 2, and the liquid level gauge 18 is electrically connected to the control center. Among them, the water supply solenoid valve 12, the water supply check valve 13 and the liquid level gauge 18 are all prior art equipment. The liquid level gauge 18 is provided to detect the water level in the heating water tank 2. When the water in the heating water tank 2 is insufficient, the liquid level gauge 18 transmits a signal to the control center, and the control center controls the corresponding water supply solenoid valve 12 and the return water solenoid valve 9 of the heating water tank 2 to open, and then replenishes water through the water supply pipe 11. After the water replenishment is completed, the water supply solenoid valve 12 and the return water solenoid valve 9 are controlled to close. During the water replenishment process, the function of the water return check valve 13 is to prevent the water in the water replenishment pipe 11 from entering the heater 5 .

[0025] In some embodiments, a drain pipe 14 is sealed and fixedly provided on the bottom of the heating water tank 2, and a drain valve 15 is provided on the drain pipe 14. The drain valve 15 is a manual valve in the prior art, and the drain pipe 14 and the drain valve 15 are provided to facilitate cleaning of the heating water tank 2.

[0026] In some embodiments, a heat preservation layer 16 is provided on the outside of the heating water tank 2, and a protective layer 17 is provided on the outside of the heat preservation layer 16. A tank opening is provided on the top of the heating water tank 2, and a heat preservation cover 23 is provided on the tank opening to seal with the tank opening. The heat preservation layer 16 is made of heat preservation materials in the prior art, and the heat preservation layer 16 and the heat preservation cover 23 are provided to keep the heating water tank 2 warm and prevent heat loss. The protective layer 17 is provided to further keep warm and protect the heat preservation layer 16 and the heating water tank 2.

[0027] In some embodiments, a temperature control probe 19 is provided inside the heating water tank 2, and the temperature control probe 19 is electrically connected to the control center. The temperature control probe 19 is used to detect the temperature inside the heating water tank 2. During heating, when the temperature rises to a preset temperature, the temperature control probe 19 transmits a signal to the control center, and the control center controls the first electric control switch 21 to close to stop heating; when the heater 5 causes the water temperature in the heating water tank 2 to drop to a preset temperature, the temperature control probe 19 transmits a signal to the control center, and the control center controls the water supply solenoid valve 8 and the return water solenoid valve 9 corresponding to the heating water tank 2 to close, and then opens the water supply solenoid valve 8 and the return water solenoid valve 9 corresponding to another heating water tank 2, and then the other heating water tank 2 continues to supply heat.

[0028] In some embodiments, the electric heating tube 3 is arranged near the bottom of the heating water tank 2, and a washer 20 cooperating with the electric heating tube 3 is arranged at the bottom of the heating water tank 2. The electric heating tube 3 is electrically connected to the photovoltaic power generation assembly 1 through the first electric control switch 21, and the washer 20 is electrically connected to the photovoltaic power generation assembly 1 through the second electric control switch 22. The first electric control switch 21 and the second electric control switch 22 are both electrically connected to the control center. Among them, the washer 20 is a device in the prior art, and its main function is to clean the electric heating tube 3. Generally, the electric heating tube 3 and the washer 20 are independently controlled. When the electric heating tube 3 is working, the washer 20 will not work; when the washer 20 is working, the electric heating tube 3 will not work. The first electric control switch 21 and the second electric control switch 22 are both electromagnetic switches in the prior art. When working, their switch operation is controlled by the control center. The first electric control switch 21 controls the power on and off of the electric heating tube 3, and the second electric control switch 22 controls the power on and off of the washer 20.

[0029] In some embodiments, the control center is electrically connected to the battery 7 through the inverter 24, and the inverter 24 is electrically connected to the state grid power supply 25. In winter, when the photovoltaic power generation assembly 1 does not generate enough electricity, or even when there is no electricity in the battery 7, the power in the state grid power supply 25 can be connected through the inverter 24. In summer, when heating is not required, a large amount of electricity generated by the photovoltaic power generation assembly 1 is transmitted to the state grid power supply 25 through the battery 7 and the inverter 24.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "hinge" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A photovoltaic heating multi-tank heat storage circulation heating system, characterized in that: The invention comprises a photovoltaic power generation assembly (1), a heating water tank (2), an electric heating pipe (3), a water supply pipe (4), a heater (5), a water return pipe (6) and a storage battery (7), wherein the input end of the water supply pipe (4) is sealed and fixedly connected to the bottom of at least two of the heating water tanks (2), the output end of the water supply pipe (4) is sealed and fixedly connected to the input end of the water return pipe (6) through the heater (5), the output end of the water return pipe (6) is sealed and fixedly connected to the top of the heating water tank (2), and a heating element is provided between the heating water tank (2) and the water supply pipe (4). A water solenoid valve (8), a water return solenoid valve (9) is arranged between the water return pipe (6) and the heating water tank (2), a heating circulation pump (10) is arranged on the water return pipe (6), the electric heating pipe (3) is fixedly arranged inside the heating water tank (2) and is electrically connected to the photovoltaic power generation component (1), the heating circulation pump (10), the water supply solenoid valve (8) and the water return solenoid valve (9) are all electrically connected to a control center, the control center is electrically connected to the battery (7), and the battery (7) is electrically connected to the photovoltaic power generation component (1).

2. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1, characterized in that: The water return pipe (6) is sealed and fixedly connected to the water supply pipe (11); the water supply pipe (11) is provided with a water supply solenoid valve (12) electrically connected to the control center; the water return pipe (6) is provided with a water return check valve (13); the water return check valve (13) is arranged between the heating circulation pump (10) and the water supply pipe (11).

3. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: A drainage pipe (14) is sealed and fixedly arranged on the bottom of the heating water tank (2), and a drainage valve (15) is arranged on the drainage pipe (14).

4. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: A heat-insulating layer (16) is arranged on the outside of the heating water tank (2), and a protective layer (17) is arranged on the outside of the heat-insulating layer (16).

5. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: A liquid level meter (18) is provided on the upper inner side of the heating water tank (2), and the liquid level meter (18) is electrically connected to the control center.

6. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: A temperature control probe (19) is arranged inside the heating water tank (2), and the temperature control probe (19) is electrically connected to the control center.

7. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: The electric heating tube (3) is arranged close to the bottom of the heating water tank (2), and a cleaning device (20) cooperating with the electric heating tube (3) is arranged at the bottom of the heating water tank (2).

8. The photovoltaic heating multi-tank heat storage circulation heating system according to claim 7 is characterized by: The electric heating tube (3) is electrically connected to the photovoltaic power generation assembly (1) via a first electric control switch (21), the cleaning device (20) is electrically connected to the photovoltaic power generation assembly (1) via a second electric control switch (22), and both the first electric control switch (21) and the second electric control switch (22) are electrically connected to the control center.

9. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: The top of the heating water tank (2) is provided with a tank opening, and a heat-insulating cover (23) which is sealed with the tank opening is provided on the tank opening.

10. A photovoltaic heating multi-tank heat storage circulation heating system according to claim 1 or 2, characterized in that: The control center is electrically connected to the storage battery (7) via an inverter (24), and the inverter (24) is electrically connected to a state grid power supply (25).

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