Solar heat storage and insulation device for toilet

Abstract

The utility model belongs to the technical field of solar heat storage and heat preservation, particularly relates to a solar heat storage and heat preservation device for a toilet, and aims to solve the problems that part of existing solar heating systems are low in conversion efficiency and insufficient in heat supply, pipelines are easy to freeze in cold weather, normal operation of the systems can be affected and the like. Comprising a plurality of solar heat collection plates, a bilateral connector is arranged between every two adjacent solar heat collection plates, and the solar heat collection plates are sequentially and fixedly connected through the bilateral connectors to form a combined heating body. Heated water or anti-freezing liquid circulates in the system and provides hot water for the heat preservation water tank and the heating radiator, and the functions of hot water supply and indoor heating are achieved; the system has automatic temperature control, pressure protection and anti-freezing functions, and safe and stable operation of the system is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar heat storage and heat preservation technical field especially relates to a solar heat storage and heat preservation device for toilet. BACKGROUND

[0002] At present, with the enhancement of environmental protection consciousness and the increasing energy consumption, solar energy as a clean, renewable energy has been widely used in hot water supply and heating field. However, the existing solar water heating system or heating device still has some deficiencies in design and function.

[0003] Among them, the conversion efficiency of part of solar heating and heating system for solar energy is not high, and then leads to low heat energy utilization rate, and the effect of indoor heating is not good enough. At the same time, some solar heating and heating system is prone to pipe freezing problem under cold weather, which will affect the normal operation of the system.

[0004] In view of the above problems, the utility model file proposes a solar heat storage and heat preservation device for toilet. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the low conversion efficiency of part of solar heating system, insufficient heating, and pipe freezing under cold weather, which will affect the normal operation of the system, and proposes a solar heat storage and heat preservation device for toilet.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A solar heat storage and heat preservation device for toilet, comprising:

[0008] A plurality of solar heat collection plates, two adjacent solar heat collection plates are provided with double edge joints, a plurality of solar heat collection plates are sequentially fixed and connected to form a combined heating body through double edge joints, and a plurality of solar heat collection plates are used to convert solar energy into heat energy to heat the medium in circulation.

[0009] It also includes a heat preservation water tank, which is used to store the heated medium.

[0010] It also includes a radiator, which is used to heat the room.

[0011] Further comprising two groups of first conveying pipes and two groups of second conveying pipes, one end of the two groups of first conveying pipes is connected with the heat preservation water tank, the other end of the two groups of first conveying pipes is connected with the liquid inlet and liquid outlet of the combined heating body respectively, for completing the communication between the combined heating body and the heat preservation water tank and the composition of the heat collecting circulating pipeline; a corrugated pipe is connected between one group of the first conveying pipes and the liquid inlet of the combined heating body, for ensuring the smooth conveying of hot water; one end of the two groups of second conveying pipes is fixedly connected with two ends of the radiator respectively, the other end of the two groups of second conveying pipes is fixedly connected with the heat preservation water tank, for forming the heating circulating pipeline between the heat preservation water tank and the radiator.

[0012] Further comprising an open anti-freezing liquid adjusting tank, the open anti-freezing liquid adjusting tank is arranged in the heat collecting circulating pipeline, the open anti-freezing liquid adjusting tank is used for storing and supplementing the anti-freezing liquid in the whole circulating system, preventing the freezing of medium in the pipeline in winter.

[0013] In a possible design, a heat collecting circulating pump is arranged in the heat collecting circulating pipeline, the heat collecting circulating pump is used for sending the heating medium in the solar heat collecting plate to the heat preservation water tank through the pipeline, and is also capable of sucking the heating medium in the heat preservation water tank back to the plurality of solar heat collecting plates for heating again.

[0014] In a possible design, a gate valve is arranged between the heat collecting circulating pump and the heat preservation water tank, and a check valve is arranged between the heat collecting circulating pump and the combined heating body, the gate valve is used for ensuring that the heating medium in the heat collecting circulating pipeline can be stored in the heat preservation water tank in normal use, and the check valve is used for ensuring that the heating medium in the combined heating body does not backflow.

[0015] In a possible design, a heating circulating pump is arranged in the heating circulating pipeline, the heating circulating pump is used for sending the heating medium in the heat preservation water tank to the radiator through the pipeline.

[0016] In a possible design, a second temperature measuring probe is arranged on one side of the heat preservation water tank, a first temperature measuring probe is arranged in the heat collecting circulating pipeline, and a third temperature measuring probe is arranged in the heating circulating pipeline, the second temperature measuring probe, the first temperature measuring probe and the third temperature measuring probe are respectively used for temperature detection on the state of the heating medium in different positions.

[0017] In a possible design, the open antifreeze adjusting tank comprises a tank body and a pressure relief device, the pressure relief device is fixedly installed on the top of the tank body, the pressure relief device is composed of a mounting seat and a liquid adding hopper, a communication hole is formed in the bottom of the mounting seat and used for achieving communication with the tank body, an adjusting hole is formed in the top of the mounting seat and communicates with the communication hole, the inner diameter of the adjusting hole is larger than that of the communication hole, a sealing plug is arranged in the adjusting hole and used for plugging the communication hole, a fixed hollow plate and a movable hollow plate are arranged in the adjusting hole, the fixed hollow plate is located above the movable hollow plate, the fixed hollow plate is fixedly connected with the inner wall of the adjusting hole, the movable hollow plate is slidingly connected with the inner wall of the adjusting hole, the top of the sealing plug is rotationally connected with a screw rod, one end of the screw rod is threaded through the movable hollow plate, the other end of the screw rod is slidingly through the fixed hollow plate, the outer wall of the screw rod is sleeved with a spring, one end of the spring is fixedly connected with the bottom of the fixed hollow plate, and the other end of the spring is fixedly connected with the top of the movable hollow plate; the liquid adding hopper is fixedly installed on the top of the mounting seat, a liquid adding channel is formed in the mounting seat, one end of the liquid adding channel communicates with the bottom end of the liquid adding hopper, the other end of the liquid adding channel communicates with the adjusting hole, the connection position of the liquid adding channel and the adjusting hole is located above the communication hole, and the liquid adding channel and the liquid adding hopper are used for adding antifreeze.

[0018] In a possible design, the outer walls of the two groups of first conveying pipes and the two groups of second conveying pipes are sleeved with rubber plastic heat preservation cotton, so that heat loss of the heating medium in the transmission process is reduced.

[0019] In the present application, when sunlight is incident on the plurality of solar heat collecting plates, the plurality of solar heat collecting plates can absorb solar energy and convert it into heat energy, which can then heat the heating medium in the heat collecting plates. The heating medium can be water or antifreeze. After that, the heat collecting circulating pump is started, and the heated medium can be transported to the heat preservation water tank through the first conveying pipe for storage. The heated medium in the heat preservation water tank can also return to the solar heat collecting plate through the first conveying pipe on the other side to be heated again, forming a heat collecting cycle. Through the design of the heat preservation water tank and the high-efficiency heat preservation pipeline, the system can maintain heat for a long time, maximize the use and storage of solar energy during the day, and still provide continuous heating at night or in bad weather. In the heat collecting cycle pipeline, the gate valve can ensure that the heating medium in the heat collecting cycle pipeline is stably stored in the heat preservation water tank under normal use conditions. The check valve can ensure that the heating medium in the combined heating body does not backflow, ensuring the heat collecting efficiency. When the heating medium circulates in the heat collecting cycle pipeline, the antifreeze in the open antifreeze adjusting tank can be added to the circulating pipeline at the same time, preventing the medium in the pipeline from freezing in winter. The open antifreeze adjusting tank adopts an integrated design of adjustable pressure relief and filling port. By designing an adjustable pressure relief device in the tank body, the pressure can be automatically adjusted according to the pressure in the tank to prevent safety hazards caused by excessive pressure. Specifically, when the pressure inside the tank body is high, the pressure inside the tank body will lift the sealing plug. At this time, the pressure inside the tank body can be relieved through the holes in the movable and fixed hollow plates. When the pressure decreases, the sealing plug will block the communication hole again under the action of the spring, ensuring the normal use of the circulating system. When the user needs to adjust the pressure requirement when relieving pressure, the user only needs to rotate the screw to adjust the position of the movable hollow plate. At this time, the compression strength of the spring can be adjusted, thereby changing the pressure requirement when relieving pressure. At the same time, when the user needs to add antifreeze, the user only needs to use the screw to lift the sealing plug. At this time, the antifreeze can be added through the liquid adding funnel. The antifreeze can enter the communication hole through the liquid adding channel and finally be added to the tank body. When the indoor temperature needs to be raised, the heating circulating pump can be started. The heating circulating pump can transport the heating medium in the heat preservation water tank to the heating radiators through the second conveying pipe and return to the heat preservation water tank through the other set of second conveying pipes, forming a heating cycle. The heating radiators can release the heat energy of the heating medium to the indoor, thereby increasing the indoor temperature. When the equipment is in use, the first temperature probe can monitor the temperature of the medium in the heat collecting cycle pipeline in real time, ensuring that the medium is effectively heated. The second temperature probe can monitor the temperature of the medium in the heat preservation water tank in real time, ensuring that the medium is in an appropriate temperature range. The third temperature probe can monitor the temperature of the medium in the heating cycle pipeline in real time, ensuring the heating effect. According to the monitoring results of the second, first, and third temperature probes, the working status of the heat collecting circulating pump and the heating circulating pump can be adjusted in a timely manner to maintain the stability of the indoor temperature.

[0020] Beneficial effects: in the utility model, the solar energy heat storage and heat preservation device for toilet, through adopting multiple solar heat collecting plates parallel arrangement, utilize the design of bilateral joint and bellows, optimize the heat transfer path, reduce the loss of heat energy in the pipeline transmission process, significantly improve the solar energy conversion efficiency and heat energy utilization rate of system;

[0021] In the utility model, the solar energy heat storage and heat preservation device for toilet, the system mainly relies on solar energy for heating, without consuming fossil fuel, realizes zero carbon emission, meets the current environmental protection trend;At the same time, through the heat preservation water tank and the design of efficient heat preservation pipeline, the system can keep heat for a long time, and still can continuously heat even at night or in bad weather, further saving energy;

[0022] In the utility model, the solar energy heat storage and heat preservation device for toilet, the system is configured with an open antifreeze adjusting tank, which can effectively prevent the freezing of the medium in the pipeline and heat collecting plate in cold weather through circulating antifreeze, and ensure the normal operation of the system;At the same time, the tank body is designed with an adjustable pressure relief device, which can automatically adjust according to the pressure in the tank to prevent safety hazards caused by excessive pressure;In addition, a check valve is added to the system, which can effectively prevent the backflow of hot water and the excessive pressure of the system, further improving the safety and stability of the system;

[0023] In the utility model, the solar energy heat storage and heat preservation device for toilet, through being provided with multiple temperature probes, the water temperature in the water tank and the system can be detected in real time, and the start and stop of the circulating pump can be automatically controlled according to the actual temperature demand, so that energy waste is avoided and the efficient operation of the system is ensured;At the same time, through accurate control of the operation of the heating circulating pump, the comfort of indoor heating is ensured, and excessive heating is avoided;

[0024] In the utility model, the solar energy heat storage and heat preservation device for toilet, the solar heat collecting plate adopts modular design, and the installation and maintenance are relatively simple, this design not only reduces the installation cost of the system, but also facilitates the subsequent maintenance and upgrading work, improves the reliability and service life of the system;

[0025] In the utility model, the solar energy heat storage and heat preservation system converts solar energy into heat energy through the solar heat collecting plate, and the heated water or antifreeze circulates in the system to provide hot water for the heat preservation water tank and the heating radiator, realizing the functions of hot water supply and indoor heating;The system has automatic temperature control, pressure protection and anti-freezing function, ensuring the safety and stable operation of the system. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The utility model proposes a kind of overall structure schematic view of solar energy heat storage and heat preservation device for toilet;

[0027] Figure 2 A three-dimensional structure schematic diagram of an open type anti-freezing liquid adjusting tank of a solar heat storage and preservation device for toilets is provided in the utility model.

[0028] Figure 3 A cross-sectional structure schematic diagram of a pressure relief device of an open type anti-freezing liquid adjusting tank of a solar heat storage and preservation device for toilets is provided in the utility model.

[0029] Figure 4 A split structure schematic diagram of a pressure relief device of an open type anti-freezing liquid adjusting tank of a solar heat storage and preservation device for toilets is provided in the utility model.

[0030] In the figure: 1, solar heat collecting plate; 2, double-sided joint; 3, first conveying pipe; 4, heat preservation water tank; 5, open type anti-freezing liquid adjusting tank; 6, gate valve; 7, heat collecting circulating pump; 8, check valve; 9, corrugated pipe; 10, first temperature measuring probe; 11, second temperature measuring probe; 12, second conveying pipe; 13, heating circulating pump; 14, radiator; 15, third temperature measuring probe; 16, tank body; 17, pressure relief device; 18, mounting seat; 19, communication hole; 20, adjusting hole; 21, sealing plug; 22, screw rod; 23, fixed hollow plate; 24, movable hollow plate; 25, spring; 26, liquid adding channel; 27, liquid adding hopper. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0032] Embodiment 1: refer to Figure 1 A solar heat storage and preservation device, comprising:

[0033] A plurality of solar heat collecting plates 1, which are the core components of converting solar energy into heat energy. Double-sided joints 2 are arranged between adjacent two solar heat collecting plates 1, and through the double-sided joints 2, the plurality of solar heat collecting plates 1 are fixedly connected in sequence to form a combined heating body. The combined heating body can efficiently convert solar energy into heat energy to heat the medium in circulation. The medium can usually be water or anti-freezing liquid, and the specific selection depends on the use environment.

[0034] The heat preservation water tank 4 is another key component, which is used for storing the heated medium. The design of the heat preservation water tank 4 ensures that the medium can maintain a relatively high temperature during storage, reducing heat loss.

[0035] In order to realize indoor heating, the device further comprises a radiator 14. The radiator 14 is connected with the heat preservation water tank 4 through a pipeline, forming a heating circulation pipeline. When heating is needed, the heated medium flows out of the heat preservation water tank 4, passes through the radiator 14, and transfers heat to the air in the room, thereby realizing heating.

[0036] In order to realize the circulation of the medium, the device is provided with two groups of first conveying pipes 3 and two groups of second conveying pipes 12. One end of each of the two groups of first conveying pipes 3 is connected with the heat preservation water tank 4, and the other end is respectively connected with the liquid inlet and liquid outlet of the combined heating body, forming a heat collection circulation pipeline. A corrugated pipe 9 is further connected between one of the first conveying pipes 3 and the liquid inlet of the combined heating body, and the flexibility of the corrugated pipe 9 ensures smooth delivery of hot water and reduces heat loss at the pipeline connection. One end of each of the two groups of second conveying pipes 12 is fixedly connected with one end of the radiator 14, and the other end is fixedly connected with the heat preservation water tank 4, forming a heating circulation pipeline.

[0037] In order to prevent the medium in the pipeline from freezing in winter, the device further comprises an open antifreeze liquid adjusting tank 5. The open antifreeze liquid adjusting tank 5 is arranged in the heat collection circulation pipeline and is used for storing and supplementing the antifreeze liquid in the entire circulation system. In cold weather, the antifreeze liquid can effectively prevent the medium in the pipeline and the heat collection plate from freezing, ensuring the normal operation of the system.

[0038] In order to improve the circulation efficiency of the system, a heat collection circulation pump 7 is arranged in the heat collection circulation pipeline. The heat collection circulation pump 7 functions to send the heated medium in the solar heat collection plate 1 to the heat preservation water tank 4 through a pipeline, and it can also suck the heated medium in the heat preservation water tank 4 back to the solar heat collection plate 1 for heating again. In this way, an efficient circulation system is formed, ensuring continuous heating and storage of the medium.

[0039] In order to ensure the safety of the system, a gate valve 6 is arranged between the heat collection circulation pump 7 and the heat preservation water tank 4, and a check valve 8 is arranged between the heat collection circulation pump 7 and the combined heating body. The gate valve 6 is used to ensure that the heated medium in the heat collection circulation pipeline can be stored in the heat preservation water tank 4 under normal use conditions. The check valve 8 is used to prevent the heated medium in the combined heating body from flowing back under pressure, ensuring stable operation of the system.

[0040] In order to realize automatic control of the heating circulation, a heating circulation pump 13 is arranged in the heating circulation pipeline. The heating circulation pump 13 functions to send the heated medium in the heat preservation water tank 4 to the radiator 14 through a pipeline, realizing heating. By controlling the start and stop of the heating circulation pump 13, the indoor temperature can be flexibly adjusted to meet different heating needs.

[0041] The present application can be used in the field of solar heat storage and heat preservation, and can also be used in other fields applicable to the present application.

[0042] Embodiment 2: Reference Figures 1-4 On the basis of Embodiment 1, an improved solar heat storage and preservation device for toilets is applied to the field of solar heat storage and preservation technology.

[0043] In order to monitor the temperature of the medium in the system in real time, the device is also provided with temperature measuring probes at different positions. A second temperature measuring probe 11 is arranged on one side of the heat preservation water tank 4, a first temperature measuring probe 10 is arranged in the heat collecting circulating pipeline, and a third temperature measuring probe 15 is arranged in the heating circulating pipeline. These temperature measuring probes can detect the state and temperature of the heating medium at different positions in real time, providing data support for the automatic control of the system.

[0044] In order to further enhance the safety and stability of the system, the open antifreeze adjusting tank 5 includes a tank body 16 and a pressure relief device 17, the pressure relief device 17 is fixedly installed on the top of the tank body 16, the pressure relief device 17 is composed of a mounting seat 18 and a liquid adding hopper 27, a communication hole 19 is opened at the bottom of the mounting seat 18, which is used to complete the communication with the tank body 16; an adjusting hole 20 is opened at the top of the mounting seat 18, the adjusting hole 20 is in communication with the communication hole 19, the inner diameter of the adjusting hole 20 is larger than that of the communication hole 19, a sealing plug 21 is arranged in the adjusting hole 20, and the sealing plug 21 is used to complete the plugging of the communication hole 19; the inside of the adjusting hole 20 is provided with a fixed hollow plate 23 and a movable hollow plate 24, the fixed hollow plate 23 is located above the movable hollow plate 24, the fixed hollow plate 23 is fixedly connected with the inner wall of the adjusting hole 20, the movable hollow plate 24 is slidably connected with the inner wall of the adjusting hole 20, the top of the sealing plug 21 is rotatably connected with a screw rod 22, one end of the screw rod 22 is threaded through the movable hollow plate 24, one end of the screw rod 22 is slidably threaded through the fixed hollow plate 23, the outer wall of the screw rod 22 is sleeved with a spring 25, one end of the spring 25 is fixedly connected with the bottom of the fixed hollow plate 23, and the other end of the spring 25 is fixedly connected with the top of the movable hollow plate 24; the pressure relief device 17 is in communication with the inside of the tank body 16 of the open antifreeze adjusting tank 5, which can release the pressure in time when the pressure in the tank rises, preventing safety hazards caused by excessive pressure.

[0045] The liquid adding hopper 27 is fixedly installed on the top of the mounting seat 18, the inside of the mounting seat 18 is provided with a liquid adding channel 26, one end of the liquid adding channel 26 is in communication with the bottom end of the liquid adding hopper 27, the other end of the liquid adding channel 26 is in communication with the adjusting hole 20, and the connection between the liquid adding channel 26 and the adjusting hole 20 is located above the communication hole 19. The liquid adding channel 26 and the liquid adding hopper 27 can facilitate the operator to quickly and accurately add antifreeze, reducing the operation time and difficulty.

[0046] In order to reduce the heat loss of the heating medium in the transmission process, the two groups of first conveying pipes 3 and the two groups of second conveying pipes 12 are all PPR pipes, and the outer walls of the pipes are all sleeved with rubber plastic heat insulation cotton. The rubber plastic heat insulation cotton has good heat preservation performance, can effectively reduce the heat loss, and improve the heat energy utilization rate of the system.

[0047] Reference Figure 1 In the figure, the pipe height of the first conveying pipe 3 in the area A should be higher than the solar panel 10 by 10 cm, so as to ensure that the heating medium can be stably stored in the solar heat collecting panel 1 and complete the heating.

[0048] However, as known by those skilled in the art, the working principles and wiring methods of the heat collecting circulating pump 7 and the heating circulating pump 13 are common, which all belong to conventional means or common general knowledge, and will not be described here again. Those skilled in the art can make any selection according to their needs or convenience.

[0049] The working principle and use process of the technical solution are as follows: when the sunlight is irradiated on the plurality of solar heat collecting plates 1, the plurality of solar heat collecting plates 1 can absorb solar energy and convert it into heat energy, and then the heating medium in the heat collecting plate can be heated, and the heating medium can be water or antifreeze; then, the heat collecting circulating pump 7 starts, and the heated medium can be transported to the heat preservation water tank 4 through the first conveying pipe 3 for storage; the heating medium in the heat preservation water tank 4 can also return to the solar heat collecting plate 1 through the first conveying pipe 3 on the other side to be heated again, forming a heat collecting cycle; through the heat preservation water tank and the high-efficiency heat preservation pipeline design, the system can maintain heat for a long time, maximize the use and storage of solar energy during the day, and still provide continuous heating even at night or in bad weather; in the heat collecting cycle pipeline, the gate valve 6 can ensure that the heating medium in the heat collecting cycle pipeline can be stably stored in the heat preservation water tank 4 under normal use conditions; the check valve 8 can ensure that the heating medium in the combined heating body does not backflow, ensuring the heat collecting efficiency; when the heating medium circulates in the heat collecting cycle pipeline, the antifreeze in the open antifreeze adjusting tank 5 can be added to the circulating pipeline at the same time, preventing the medium in the pipeline from freezing in winter; the open antifreeze adjusting tank 5 adopts an integrated design of adjustable pressure relief and filling port, and through the design of the adjustable pressure relief device 17 in the tank body 16, the pressure can be automatically adjusted according to the pressure in the tank, preventing safety hazards caused by excessive pressure; specifically, when the pressure in the tank body 16 is relatively large, the pressure in the tank body 16 can be relieved through the holes in the movable hollow plate 24 and the fixed hollow plate 23; when the pressure decreases, the sealing plug 21 will block the communication hole 21 again under the action of the spring 25, ensuring the normal use of the circulating system; when the user needs to adjust the pressure requirement when relieving pressure, the user only needs to rotate the screw rod 22 to adjust the position of the movable hollow plate 24, which can adjust the compression strength of the spring 25, thereby changing the pressure requirement when relieving pressure; at the same time, when the user needs to add antifreeze, the user only needs to pull up the sealing plug 21 by using the screw rod 22, and then add the antifreeze through the liquid adding hopper 27, so that the antifreeze can enter the communication hole 19 through the liquid adding channel 26 and finally be added to the tank body 16; when the indoor temperature needs to be increased, the heating circulating pump 13 can be started; the heating circulating pump 13 can transport the heating medium in the heat preservation water tank 4 to the heating radiator 14 through the second conveying pipe 12, and return to the heat preservation water tank 4 through another set of second conveying pipe 12, forming a heating cycle; the heating radiator 14 can release the heat energy of the heating medium to the indoor, thereby increasing the indoor temperature; when the equipment is used, the first temperature measuring probe 10 can monitor the temperature of the medium in the heat collecting cycle pipeline in real time, ensuring that the medium is effectively heated; the second temperature measuring probe 11 can monitor the temperature of the medium in the heat preservation water tank 4 in real time, ensuring that the medium is in a suitable temperature range; the third temperature measuring probe 15 can monitor the temperature of the medium in the heating cycle pipeline in real time, ensuring the heating effect;According to the monitoring results of the second temperature measuring probe 11, the first temperature measuring probe 10 and the third temperature measuring probe 15, the working states of the heat collecting circulating pump 7 and the heating circulating pump 13 can be adjusted in time to maintain the stability of the indoor temperature.

[0050] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A solar thermal storage and insulation device for toilets, characterized in that, include: Multiple solar collectors (1), with a double-sided joint (2) between two adjacent solar collectors (1), and multiple solar collectors (1) are sequentially fixedly connected to form a combined heating body through the double-sided joint (2). The multiple solar collectors (1) are used to convert solar energy into thermal energy to heat the medium in circulation. It also includes an insulated water tank (4), which is used to store the heated medium; It also includes a radiator (14) for heating the room; It also includes two sets of first conveying pipes (3) and two sets of second conveying pipes (12). One end of each set of first conveying pipes (3) is connected to the insulated water tank (4), and the other end of each set of first conveying pipes (3) is connected to the inlet and outlet of the combined heating element, respectively, to complete the connection between the combined heating element and the insulated water tank (4) and the composition of the heat collection circulation pipeline; a corrugated pipe (9) is connected between one set of first conveying pipes (3) and the inlet of the combined heating element to ensure the smooth delivery of hot water; one end of each set of second conveying pipes (12) is fixedly connected to both ends of the radiator (14), and the other end of each set of second conveying pipes (12) is fixedly connected to the insulated water tank (4), to form a heating circulation pipeline between the insulated water tank (4) and the radiator (14); It also includes an open antifreeze regulating tank (5), which is installed in the heat collection circulation pipeline. The open antifreeze regulating tank (5) is used to store and replenish the antifreeze in the entire circulation system to prevent the medium in the pipeline from freezing in winter.

2. The solar thermal storage and insulation device for toilets according to claim 1, characterized in that, The heat collection circulation pipeline is equipped with a heat collection circulation pump (7), which is used to send the heating medium in the solar collector plate (1) to the insulated water tank (4) through the pipeline, and can also pump the heating medium in the insulated water tank (4) back to multiple solar collector plates (1) for reheating.

3. A solar thermal storage and insulation device for toilets according to claim 2, characterized in that, A gate valve (6) is provided between the heat collection circulation pump (7) and the heat preservation water tank (4), and a check valve (8) is provided between the heat collection circulation pump (7) and the combined heating element. The gate valve (6) is used to ensure that the heating medium in the heat collection circulation pipeline can be stored in the heat preservation water tank (4) under normal use. The check valve (8) is used to ensure that the heating medium in the combined heating element will not flow back.

4. A solar thermal storage and insulation device for toilets according to claim 1, characterized in that, The heating circulation pipeline is equipped with a heating circulation pump (13), which is used to send the heating medium in the insulated water tank (4) to the radiator (14) through the pipeline.

5. A solar thermal storage and insulation device for toilets according to claim 1, characterized in that, A second temperature probe (11) is provided on one side of the insulated water tank (4), a first temperature probe (10) is provided in the heat collection circulation pipeline, and a third temperature probe (15) is provided in the heating circulation pipeline. The second temperature probe (11), the first temperature probe (10) and the third temperature probe (15) are used to detect the temperature of the heating medium in different locations.

6. A solar thermal storage and insulation device for toilets according to claim 1, characterized in that, The open-type antifreeze regulating tank (5) includes a tank body (16) and a pressure relief device (17). The pressure relief device (17) is fixedly installed on the top of the tank body (16). The pressure relief device (17) consists of a mounting base (18) and a filling hopper (27). The bottom of the mounting base (18) is provided with a connecting hole (19) for connecting with the tank body (16). The top of the mounting base (18) is provided with an adjusting hole (20), which is connected to the connecting hole (19). The inner diameter of the adjusting hole (20) is larger than the inner diameter of the connecting hole (19). A sealing plug (21) is provided inside the adjusting hole (20) to seal the connecting hole (19). A fixed perforated plate (23) and a movable perforated plate (24) are provided inside the adjusting hole (20). The fixed perforated plate (23) is located above the movable perforated plate (24). The fixed perforated plate (23) is fixedly connected to the inner wall of the adjusting hole (20). The movable perforated plate (24) The sealing plug (21) is slidably connected to the inner wall of the adjusting hole (20). A screw (22) is rotatably connected to the top of the sealing plug (21). One end of the screw (22) is threaded through the movable perforated plate (24), and the other end of the screw (22) is slidably connected through the fixed perforated plate (23). A spring (25) is sleeved on the outer wall of the screw (22). One end of the spring (25) is fixedly connected to the bottom of the fixed perforated plate (23), and the other end of the spring (25) is fixedly connected to the top of the movable perforated plate (24). The liquid filling hopper (27) is fixedly installed on the top of the mounting base (18). The mounting base (18) has a liquid filling channel (26) inside. One end of the liquid filling channel (26) is connected to the bottom end of the liquid filling hopper (27), and the other end of the liquid filling channel (26) is connected to the adjustment hole (20). The connection between the liquid filling channel (26) and the adjustment hole (20) is located above the connecting hole (19). The liquid filling channel (26) and the liquid filling hopper (27) are used to add antifreeze.

7. A solar thermal storage and insulation device for toilets according to claim 1, characterized in that, The outer walls of both sets of first conveying pipes (3) and both sets of second conveying pipes (12) are covered with rubber and plastic insulation cotton to reduce heat loss of the heating medium during transmission.

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