Anti-freezing solar water heater

By using components such as heat collector pipes, solenoid valves and electric telescopic rods in solar water heaters, the use of solar water heaters under low temperature conditions is solved, the thermal utilization rate and operation convenience are improved, and the aesthetics are enhanced.

CN222364170UActive Publication Date: 2025-01-17LANZHOU JIAOTONG UNIV
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Patent Information

Application Number
CN202421149173.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-01-17
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

In rural areas of the northwest region, solar water heaters are prone to be unable to be used normally due to the freezing of solar water pipes in winter, and the thermal insulation performance of the heat storage box is limited, resulting in short heating time, cumbersome switches and occupy space, which affects the beauty.

Method used

An anti-freeze-type solar water heater is designed, using components such as heat collector pipes, solenoid valves and electric telescopic rods. The thermal energy utilization rate is improved through the design of the circulating inlet pipes and outlet pipes. The solenoid valves are used to replace switches, and the temperature sensors and heating rods are set. The telescopic rod adjusts the inclination angle of the heat collector to improve the immediate heat effect, and uses a thermal insulation sleeve to prevent the water pipe from freezing and cracking.

Benefits of technology

It improves the heat collection performance of solar water heaters, extends heating time, simplifies operation, enhances aesthetics, and effectively prevents pipeline freezing and cracking, ensuring normal use under low temperature conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of solar water heaters, and discloses an anti-freezing solar water heater which comprises a main body mechanism, a connecting mechanism and an adjusting mechanism, the connecting mechanism is arranged in the main body mechanism, and the adjusting mechanism is arranged on the back face of the main body mechanism; the main body mechanism comprises two mounting plates, heat collecting pipes are slidably connected to the sides, close to each other, of the two mounting plates, and connecting plates are fixedly connected to the back faces of the mounting plates. According to the solar water heater, the heat collecting pipe is arranged, the control valve of the water inlet pipe is opened, the first electromagnetic valve is opened, water enters the water tank, after the water in the water tank reaches a certain water level, the water enters the cavity of the mounting plate through the circulating inlet pipe, the water in the cavity is heated through the heat collecting pipe, and after heating is completed, the second electromagnetic valve is opened; water flows into the water tank through the circulating outlet pipe, and water in the water tank enters the circulating inlet pipe again to be heated due to water entering, so that the heat collection performance of the solar water heater is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of solar water heaters, in particular to an antifreeze type solar water heater. Background Art

[0002] With the comprehensive promotion of the rural revitalization strategy, rural development has improved. However, in Northwest my country, due to the cold seasonal climate, the tap water pipes in some rural areas are frozen, making it impossible to wash and flush the toilet directly. In some places in China, electric heating technology can be used to solve the antifreeze problem, but residents in rural areas are unwilling to make modifications due to the high power consumption. In Northwest my country, the average annual sunshine hours are between 1,500 and 3,400 hours, and solar water heaters are widely used in rural areas. However, since solar water pipes are prone to freezing in winter, solar water heaters are difficult to use normally. Even in summer, the pipes connecting solar water heaters will cool over time.

[0003] Solar water heaters usually adopt a heat storage design, that is, after converting solar energy into heat energy, it is stored in a heat storage tank for users to use. However, the heat preservation performance of the heat storage tank is limited, and the heat energy will be lost to a certain extent during the storage process, which can easily lead to a short heating time. In addition, the solar water heater has many switches and is cumbersome. The installation of the switch takes up indoor space and affects the appearance to a certain extent. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an antifreeze type solar water heater.

[0005] The utility model is implemented by the following technical scheme: an antifreeze type solar water heater, comprising a main body mechanism, a connecting mechanism and an adjusting mechanism, wherein the connecting mechanism is arranged inside the main body mechanism, and the adjusting mechanism is arranged on the back of the main body mechanism;

[0006] The main structure includes two mounting plates, and a heat collecting tube is slidably connected to one side of the two mounting plates close to each other, a connecting plate is fixedly connected to the back side of the mounting plate, a circulating inlet pipe is fixedly connected to the left side of the mounting plate, a solenoid valve 1 is arranged on the surface of the circulating inlet pipe, a water tank is fixedly connected to the bottom end of the circulating inlet pipe, a circulating outlet pipe is fixedly connected to the top end of the water tank, a solenoid valve 2 is arranged on the surface of the circulating outlet pipe, and the surfaces of the circulating inlet pipe and the circulating outlet pipe are both sleeved with insulation sleeves.

[0007] Through the above technical solution, the control valve of the water inlet pipe is opened, and once the solenoid valve is opened, water enters the water tank. After the water in the water tank reaches a certain water level, it enters the cavity of the mounting plate through the circulation inlet pipe, and the water in the cavity is heated by the heat collecting tube, thereby improving the utilization rate of the heat energy in the heat collecting tube.

[0008] As a further improvement of the above solution, a plurality of mounting holes are provided in the middle of the mounting plate, and the heat collecting tubes are located in the middle of the mounting holes.

[0009] As a further improvement of the above solution, a cavity is provided in the middle of the mounting plate, and the cavity and the circulation inlet pipe and the circulation outlet pipe form a connecting channel, and the connecting plate is inclined at a certain angle.

[0010] As a further improvement of the above scheme, the connecting mechanism includes a temperature sensor, the temperature sensor is fixedly connected to the inner wall of the water tank, the inner wall of the water tank is fixedly connected to a heating rod, the bottom end of the water tank is fixedly connected to a water inlet pipe, the top end of the water tank is fixedly connected to an exhaust pipe, the bottom end of the water tank is fixedly connected to a water outlet pipe, and the surfaces of the water outlet pipe and the exhaust pipe are fixedly connected to solenoid valve three.

[0011] As a further improvement of the above solution, the temperature sensor is located on the inner top wall of the water tank, and control valves are provided inside the water inlet pipe and the water outlet pipe.

[0012] As a further improvement of the above scheme, the adjusting mechanism includes a first connecting block, the first connecting block is fixedly connected to the back side of the connecting plate, the middle part of the first connecting block is rotatably connected to a rotating shaft, the surface of the rotating shaft is rotatably connected to a second connecting block, the back side of the second connecting block is fixedly connected to a rotating plate, the front side of the rotating plate is fixedly connected to the first rotating block, the middle part of the first rotating block is rotatably connected to an electric telescopic rod, and the front side of the electric telescopic rod is rotatably connected to the second rotating block.

[0013] Through the above technical solution, the electric telescopic rod is started to work, and the connecting plate and the rotating plate are rotated under its drive. At the same time, the first connecting block and the second connecting block are rotated through the rotating shaft, thereby adjusting the inclination angle of the connecting plate and the heat collecting tube to improve the instant heating effect of the heat collecting tube.

[0014] As a further improvement of the above solution, both front and rear ends of the electric telescopic rod are provided with protrusions, and a rotating rod is provided between the protrusions and the first rotating block and the second rotating block.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model sets a heat collecting pipe, opens the control valve of the water inlet pipe, and opens the solenoid valve one, so that water enters the water tank. After the water in the water tank reaches a certain water level, it enters the cavity of the mounting plate through the circulation inlet pipe, and heats the water in the cavity through the heat collecting pipe. After the heating is completed, the solenoid valve two is opened to allow the water to flow into the water tank through the circulation outlet pipe. Due to the entry of water, the water in the water tank enters the circulation inlet pipe again to be heated, thereby enhancing the heat collection performance of the solar water heater, improving the utilization rate of the heat energy in the heat collecting pipe, and improving the convenience and aesthetics by replacing the switch with the solenoid valve one and the solenoid valve two.

[0017] The utility model provides an electric telescopic rod, which is started to work. Driven by the electric telescopic rod, the connecting plate and the rotating plate rotate, and the first connecting block and the second connecting block rotate through the rotating shaft, so that the inclination angle of the connecting plate and the heat collecting pipe is adjusted to improve the instant heating effect of the heat collecting pipe. The heat preservation sleeve can be provided to protect the relatively fragile water pipes of the circulation inlet pipe and the circulation outlet pipe when the outdoor temperature is low, so as to prevent the pipes from freezing and cracking. The electromagnetic valve three is provided on the surface of the water outlet pipe and the exhaust pipe, and the water column below is emptied when not in use, so that there is no water in the pipe below the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0021] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the water tank of the utility model.

[0023] Description of main symbols:

[0024] 1. Main body; 101. Mounting plate; 102. Collecting tube; 103. Connecting plate; 104. Circulating inlet pipe; 105. Solenoid valve 1; 106. Water tank; 107. Circulating outlet pipe; 108. Solenoid valve 2; 109. Insulation sleeve; 2. Connecting mechanism; 201. Temperature sensor; 202. Heating rod; 203. Water inlet pipe; 204. Exhaust pipe; 205. Water outlet pipe; 206. Solenoid valve 3; 3. Adjusting mechanism; 301. First connecting block; 302. Rotating shaft; 303. Second connecting block; 304. Rotating plate; 305. First rotating block; 306. Electric telescopic rod; 307. Second rotating block. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] Example:

[0027] Please combine Figure 1-5 , an antifreeze type solar water heater of this embodiment comprises a main body mechanism 1, a connecting mechanism 2 and an adjusting mechanism 3, wherein the connecting mechanism 2 is arranged inside the main body mechanism 1, and the adjusting mechanism 3 is arranged on the back of the main body mechanism 1;

[0028] The main structure 1 includes two mounting plates 101, and a heat collecting tube 102 is slidably connected to one side of the two mounting plates 101 close to each other, a connecting plate 103 is fixedly connected to the back of the mounting plate 101, and a circulating inlet pipe 104 is fixedly connected to the left side of the mounting plate 101. A solenoid valve 105 is provided on the surface of the circulating inlet pipe 104, and a water tank 106 is fixedly connected to the bottom end of the circulating inlet pipe 104. A circulating outlet pipe 107 is fixedly connected to the top end of the water tank 106, and a solenoid valve 2 108 is provided on the surface of the circulating outlet pipe 107. The surfaces of the circulating inlet pipe 104 and the circulating outlet pipe 107 are both sleeved with an insulation sleeve 109.

[0029] A plurality of mounting holes are provided in the middle of the mounting plate 101 , and the heat collecting tube 102 is located in the middle of the mounting holes.

[0030] A cavity is provided in the middle of the mounting plate 101 , and a connecting passage is formed between the cavity and the circulating inlet pipe 104 and the circulating outlet pipe 107 . The connecting plate 103 is inclined at a certain angle.

[0031] The connecting mechanism 2 includes a temperature sensor 201, which is fixedly connected to the inner wall of the water tank 106, to which a heating rod 202 is fixedly connected, to which a water inlet pipe 203 is fixedly connected at the bottom end of the water tank 106, to which an exhaust pipe 204 is fixedly connected at the top end of the water tank 106, to which a water outlet pipe 205 is fixedly connected at the bottom end of the water tank 106, and to which a solenoid valve 206 is fixedly connected on the surfaces of the water outlet pipe 205 and the exhaust pipe 204.

[0032] The temperature sensor 201 is located on the inner top wall of the water tank 106 , and control valves are provided inside the water inlet pipe 203 and the water outlet pipe 205 .

[0033] The adjustment mechanism 3 includes a first connecting block 301, which is fixedly connected to the back side of the connecting plate 103, a rotating shaft 302 is rotatably connected to the middle part of the first connecting block 301, a second connecting block 303 is rotatably connected to the surface of the rotating shaft 302, a rotating plate 304 is fixedly connected to the back side of the second connecting block 303, a first rotating block 305 is fixedly connected to the front side of the rotating plate 304, an electric telescopic rod 306 is rotatably connected to the middle part of the first rotating block 305, and a second rotating block 307 is rotatably connected to the front side of the electric telescopic rod 306.

[0034] Both the front and rear ends of the electric telescopic rod 306 are provided with protrusions, and a rotating rod is provided between the protrusions and the first rotating block 305 and the second rotating block 307 .

[0035] The implementation principle of an antifreeze solar water heater in the embodiment of the present application is:

[0036] The solar water heater is installed in the working position by rotating the plate 304, and the electric telescopic rod 306 is started to work. Under the drive of the electric telescopic rod 306, the connecting plate 103 and the rotating plate 304 rotate, and the first connecting block 301 and the second connecting block 303 rotate through the rotating shaft 302, so as to adjust the inclination angle of the connecting plate 103 and the heat collecting tube 102 to improve the instant heating effect of the heat collecting tube 102. When hot water is needed, the control valve of the water inlet pipe 203 is opened, and the solenoid valve 105 is opened, and water enters the water tank 106. After the water in the water tank 106 reaches a certain water level, it enters the cavity of the installation plate 101 through the circulating inlet pipe 104, and The water in the cavity is heated by the heat collecting tube 102. After the heating is completed, the solenoid valve 108 is opened to allow the water to flow into the water tank 106 through the circulation outlet pipe 107. As the water enters, the water in the water tank 106 enters the circulation inlet pipe 104 again for heating, thereby avoiding the heat loss after the water is heated, enhancing the heat collection performance of the solar water heater, and improving the utilization rate of the heat energy in the heat collecting tube 102. By replacing the switch with the solenoid valve 105 and the solenoid valve 2 108, the convenience and aesthetics are improved. The temperature of the water in the water tank 106 is detected by the temperature sensor 201. When the water temperature is insufficient, it can be heated by the heating rod 202.

[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A freeze-proof solar water heater, characterized in that: It comprises a main body mechanism (1), a connecting mechanism (2) and an adjusting mechanism (3), wherein the connecting mechanism (2) is arranged inside the main body mechanism (1), and the adjusting mechanism (3) is arranged on the back side of the main body mechanism (1); The main body mechanism (1) comprises two mounting plates (101), a heat collecting tube (102) being slidably connected to one side of the two mounting plates (101) close to each other, a connecting plate (103) being fixedly connected to the back side of the mounting plate (101), a circulating inlet pipe (104) being fixedly connected to the left side of the mounting plate (101), a solenoid valve 1 (105) being provided on the surface of the circulating inlet pipe (104), a water tank (106) being fixedly connected to the bottom end of the circulating inlet pipe (104), a circulating outlet pipe (107) being fixedly connected to the top end of the water tank (106), a solenoid valve 2 (108) being provided on the surface of the circulating outlet pipe (107), and a heat insulation sleeve (109) being sleeved on the surfaces of both the circulating inlet pipe (104) and the circulating outlet pipe (107).

2. The antifreeze solar water heater according to claim 1, characterized in that: A plurality of mounting holes are provided in the middle of the mounting plate (101), and the heat collecting tube (102) is located in the middle of the mounting holes.

3. The antifreeze solar water heater according to claim 1, characterized in that: A cavity is provided in the middle of the mounting plate (101), and the cavity and the circulation inlet pipe (104) and the circulation outlet pipe (107) form a connecting channel. The connecting plate (103) is inclined at a certain angle.

4. The antifreeze solar water heater according to claim 1, characterized in that: The connection mechanism (2) comprises a temperature sensor (201), the temperature sensor (201) is fixedly connected to the inner wall of the water tank (106), a heating rod (202) is fixedly connected to the inner wall of the water tank (106), a water inlet pipe (203) is fixedly connected to the bottom end of the water tank (106), an exhaust pipe (204) is fixedly connected to the top end of the water tank (106), a water outlet pipe (205) is fixedly connected to the bottom end of the water tank (106), and electromagnetic valve three (206) is fixedly connected to the surfaces of the water outlet pipe (205) and the exhaust pipe (204).

5. The antifreeze solar water heater according to claim 4, characterized in that: The temperature sensor (201) is located on the inner top wall of the water tank (106), and control valves are provided inside the water inlet pipe (203) and the water outlet pipe (205).

6. The antifreeze solar water heater according to claim 1, characterized in that: The adjustment mechanism (3) comprises a first connection block (301), the first connection block (301) being fixedly connected to the back side of the connection plate (103), the middle part of the first connection block (301) being rotatably connected to a rotation shaft (302), the surface of the rotation shaft (302) being rotatably connected to a second connection block (303), the back side of the second connection block (303) being fixedly connected to a rotation plate (304), the front side of the rotation plate (304) being fixedly connected to a first rotation block (305), the middle part of the first rotation block (305) being rotatably connected to an electric telescopic rod (306), and the front side of the electric telescopic rod (306) being rotatably connected to a second rotation block (307).

7. The antifreeze solar water heater according to claim 6, characterized in that: The front and rear ends of the electric telescopic rod (306) are both provided with protrusions, and a rotating rod is provided between the protrusions and the first rotating block (305) and the second rotating block (307).