Solar water heater with scale removing and preventing functions
By installing a cleaning component in the solar water heater to scrape off limescale and using a descaling tank to filter impurities, the problem of limescale adhesion and corrosion is solved, achieving descaling and scale prevention functions, extending service life and simplifying the cleaning process.
Patent Information
- Application Number
- CN202423160194.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing solar water heaters lack scale prevention and removal functions, causing scale to adhere to the inner wall of the storage tank, corroding the tank, affecting its service life, and making cleaning inconvenient.
The design includes a cleaning component that scrapes away scale and filters impurities through a descaling box. Activated carbon and filter cotton blocks are used to reduce the scale content. The water delivery component then delivers the descaled water to a storage tank to prevent scale residue.
It effectively prevents scale from corroding the water storage tank, extends its service life, simplifies the cleaning process, and shortens cleaning time.
Smart Images

Figure CN223649487U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solar water heater technology, specifically a solar water heater with descaling and scale prevention functions. Background Technology
[0002] A solar water heater is a heating device that converts solar energy into heat energy, heating water from a low temperature to a high temperature to meet people's hot water needs in daily life and production. Solar water heaters are classified into evacuated tube solar water heaters and flat-plate solar water heaters according to their structure, with evacuated tube solar water heaters being the most common.
[0003] Existing solar water heaters typically heat water collected in a storage tank. However, hard water produces scale when heated. Since the storage tank lacks scale prevention and removal functions, a large amount of scale adheres to the inner wall of the tank, causing corrosion and affecting the lifespan of the solar water heater. Furthermore, cleaning the scale requires a significant amount of time, making the process inconvenient.
[0004] According to announcement number CN118242776A, a solar water heater includes a base. An adjustment mechanism is fixedly installed at the top center of the base. The water heater body is fixedly installed on top of the adjustment mechanism. A light intensity sensor is fixedly installed on one side of the top of the base. Another light intensity sensor is fixedly installed at the top center of the water heater body. An installation frame is fixedly installed on the front side of the water heater body. A heat collection mechanism is movably installed inside the installation frame. On sunny days, this device can transfer solar heat energy to the water heater body using vacuum heat collection tubes. On rainy, hailous, or snowy days, by activating an electric push rod, a semi-circular baffle can be driven to rotate through the linkage of a first, second, and third hinge seat, covering the outer surface of the vacuum heat collection tube, providing shielding and protection against impact and snow cover, thus maximizing the protection of the vacuum heat collection tube.
[0005] As described above, solar water heaters produce limescale after heating hard water. Since the storage tank lacks scale prevention and removal functions, a large amount of limescale adheres to the inner wall of the tank, causing corrosion and affecting the lifespan of the solar water heater. Furthermore, cleaning limescale requires a significant amount of time, making the process inconvenient. Therefore, we need to propose a solar water heater with scale prevention and removal functions. Utility Model Content
[0006] The purpose of this invention is to provide a solar water heater with descaling and scale prevention functions. Through the cleaning component, scale adhering to the inner wall of the storage tank can be scraped off, allowing it to be discharged through the drain outlet along with the water flow. The descaling tank filters impurities from hard water, reducing the amount of scale and preventing scale residue on the inner wall of the solar water heater. Finally, the water supply component delivers descaled water into the storage tank, thus preventing scale corrosion of the solar water heater, extending its service life, facilitating scale removal, and shortening the time required for scale removal, thereby solving the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a solar water heater with descaling and scale prevention functions, comprising a base, a support frame fixedly connected to one end of the base, a water storage tank at the top of the support frame, a drain outlet at the bottom of the water storage tank, a solar tube on the lower surface of the water storage tank, a cleaning component for scraping scale from the tank's interior cavity, a descaling box at the other end of the base, a connection port at one end of the descaling box, and a water delivery component for conveying water flow at the other end of the descaling box, the other end of which communicates with the interior cavity of the water storage tank. The interior cavity of the descaling box contains an adsorption chamber and a filter chamber, the interior cavity of the adsorption chamber being connected to the filter chamber. Activated carbon is placed inside the adsorption chamber, and filter cotton blocks are placed inside the filter chamber.
[0008] Preferably, the cleaning component includes a stepper motor, which is fixedly connected to the outer wall of the hot water tank via a mounting plate. The output shaft of the stepper motor is keyed to a rotating frame, which is disposed in the inner cavity of the water storage tank. A scraper is provided on the outer surface of the rotating frame, and the surface of the scraper is in contact with the inner wall of the water storage tank.
[0009] Preferably, the scraper is provided in several groups, and the several groups of scrapers are distributed around the center on the outer surface of the rotating frame.
[0010] Preferably, the water delivery assembly includes a water pump, which is fixedly installed on the outer wall of the descaling tank. The water pump's inlet is connected to a water pumping pipe, and the other end of the water pumping pipe is connected to the inner cavity of the descaling tank. The water pump's outlet is connected to a water delivery pipe, and the other end of the water delivery pipe is connected to the inner cavity of the water storage tank.
[0011] Preferably, the top of the descaling box is provided with a box cover, and an elastic connecting plate is fixedly connected to the outer side wall of the box cover. The surface of the elastic connecting plate is provided with a groove, and a locking block is fixedly connected to the outer side wall of the descaling box. The locking block engages with the inner cavity of the groove of the elastic connecting plate.
[0012] Preferably, a sealing plate is fixedly connected to the bottom of the box cover, the sealing plate is arranged in a square shape, and a sealing groove adapted to the sealing plate is opened on the upper surface of the descaling box.
[0013] Preferably, a battery module is mounted on the upper surface of the base, and the battery module is electrically connected to the water delivery component and the cleaning component respectively.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This utility model provides a solar water heater with descaling and scale prevention functions. Through the cleaning component, scale adhering to the inner wall of the storage tank can be scraped off, allowing it to be discharged through the drain outlet along with the water flow. The descaling tank, with activated carbon and filter cotton blocks working together, filters impurities in the hard water, reducing the scale content and preventing scale residue from remaining on the inner wall of the solar water heater. Finally, the water supply component is activated to deliver the descaled water into the storage tank, thus preventing scale corrosion of the solar water heater, extending its service life, facilitating scale removal, and shortening the time required for scale removal.
[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a side view of the structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the descaling box of this utility model with the lid disassembled;
[0020] Figure 4 This is a schematic diagram of the cleaning component of this utility model.
[0021] In the diagram: 1. Base; 2. Support frame; 3. Water storage tank; 4. Drain outlet; 5. Solar tube; 6. Cleaning component; 61. Stepper motor; 62. Rotating frame; 63. Scraper; 7. Descaling box; 8. Connection port; 9. Water supply component; 91. Water pump; 92. Water pumping pipe; 93. Water supply pipe; 10. Adsorption chamber; 11. Filter chamber; 12. Box cover; 13. Flexible connecting plate; 14. Locking block; 15. Sealing plate; 16. Sealing groove; 17. Battery module. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-4 This utility model provides a technical solution: a solar water heater with descaling and scale prevention function, including a base 1, a support frame 2 fixedly connected to one end of the base 1, a water storage tank 3 set at the top of the support frame 2, a drain port 4 opened at the bottom of the water storage tank 3, a solar tube 5 set on the lower surface of the water storage tank 3, a cleaning component 6 for scraping the dirt inside the tank set in the inner cavity of the water storage tank 3, a descaling box 7 set at the other end of the base 1, a connection port 8 set at one end of the descaling box 7, a water delivery component 9 for conveying water flow set at the other end of the descaling box 7, the other end of the water delivery component 9 communicating with the inner cavity of the water storage tank 3, an adsorption chamber 10 and a filter chamber 11 set in the inner cavity of the descaling box 7, the inner cavity of the adsorption chamber 10 and the filter chamber 11 are connected, activated carbon is set in the inner cavity of the adsorption chamber 10, and filter cotton blocks are set in the inner cavity of the filter chamber 11;
[0024] Connect the water supply pipe to the connection port 8. The supply pipe delivers hard water into the descaling tank 7, where activated carbon and filter cotton blocks work together to filter impurities in the hard water, reducing the scale content. Activate the water supply component 9 to deliver the filtered hard water into the storage tank 3 for heating. During cleaning, activate the cleaning component 6 to scrape off the scale on the inner wall of the storage tank 3. Then open the drain port 4 and activate the water supply component 9 to increase the water flow in the storage tank 3, allowing the water flow to carry the scale out through the drain port 4. This prevents scale from corroding the solar water heater, extends its service life, facilitates scale cleaning, and shortens the time required for scale removal.
[0025] The cleaning component 6 includes a stepper motor 61, which is fixedly connected to the outer wall of the hot water tank via a mounting plate. The output shaft of the stepper motor 61 is keyed to a rotating frame 62, which is located inside the water storage tank 3. A scraper 63 is provided on the outer surface of the rotating frame 62, and the surface of the scraper 63 is in contact with the inner wall of the water storage tank 3. When the stepper motor 61 is started, it drives the rotating frame 62 to rotate, so that the rotating frame 62 scrapes the scale on the inner wall of the water storage tank 3 through the scraper 63, thereby assisting in the removal of scale inside the water storage tank 3.
[0026] Several sets of scrapers 63 are provided, and the sets of scrapers 63 are distributed around the center on the outer surface of the rotating frame 62. By setting several sets of scrapers 63, the scraping speed of the scrapers 63 in the water storage tank 3 is improved.
[0027] The water delivery assembly 9 includes a water pump 91, which is fixedly installed on the outer wall of the descaling tank 7. The water pump 91 has a water inlet connected to a water pump pipe 92, and the other end of the water pump pipe 92 is connected to the inner cavity of the descaling tank 7. The water pump 91 has a water delivery inlet connected to a water delivery pipe 93, and the other end of the water delivery pipe 93 is connected to the inner cavity of the water storage tank 3. When the water pump 91 is started, the hard water filtered inside the descaling tank 7 is drawn through the water pump pipe 92, and then the hard water is delivered into the water storage tank 3 through the water delivery pipe 93.
[0028] The top of the descaling box 7 is provided with a box cover 12. An elastic connecting plate 13 is fixedly connected to the outer wall of the box cover 12. The surface of the elastic connecting plate 13 has a groove. A locking block 14 is fixedly connected to the outer wall of the descaling box 7. The locking block 14 engages with the inner cavity of the groove of the elastic connecting plate 13. Through the engagement of the elastic connecting plate 13 and the locking block 14, the box cover 12 and the descaling box 7 can be quickly disassembled and assembled, which facilitates the subsequent cleaning of the descaling box 7. When the box cover 12 is taken out and placed on the descaling box 7, the box cover 12 drives the elastic connecting plate 13 to move downward, so that the elastic connecting plate 13 engages with the locking block 14 to complete the installation between the box cover 12 and the descaling box 7. The elastic connecting plate 13 is pushed outward to move the locking block 14 out of the inner cavity of the groove of the elastic connecting plate 13, and then it can be disassembled.
[0029] A sealing plate 15 is fixedly connected to the bottom of the cover 12. The sealing plate 15 is arranged in a square shape. A sealing groove 16 that matches the sealing plate 15 is opened on the upper surface of the descaling box 7. The sealing plate 15 and the sealing groove 16 cooperate to increase the sealing performance after the cover 12 and the descaling box 7 are connected, thus improving the sealing effect.
[0030] A battery module 17 is installed on the upper surface of the base 1. The battery module 17 is electrically connected to the water supply component 9 and the cleaning component 6 respectively. The battery module 17 provides power to the water supply component 9 and the cleaning component 6, which provides convenience for the power supply environment of the solar water heater.
[0031] In practical use: Connect the water supply pipe to the connection port 8. The supply pipe sends hard water into the descaling tank 7, where activated carbon and filter cotton blocks work together to filter impurities in the hard water, reducing the scale content. Start the water pump 91 to extract the hard water filtered inside the descaling tank 7 through the water pumping pipe 92, and then send the hard water into the storage tank 3 through the water supply pipe 93. During cleaning, start the stepper motor 61 to drive the rotating frame 62 to rotate, so that the rotating frame 62 scrapes the scale on the inner wall of the storage tank 3 through the scraper 63, assisting in the removal of scale in the storage tank 3. Then increase the water supply of the water pump 91 and open the drain pipe to let the scale flow out with the water flow through the drain pipe. This realizes the descaling and scale prevention functions of the solar water heater, thereby avoiding scale corrosion of the solar water heater, extending the service life of the solar water heater, providing convenience for the scale cleaning work of solar water heaters, and shortening the time required for scale cleaning.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A solar water heater with descaling and scale prevention functions, comprising a base (1), characterized in that: One end of the base (1) is fixedly connected to a support frame (2). A water storage tank (3) is provided at the top of the support frame (2). A drain port (4) is provided at the bottom of the water storage tank (3). A solar tube (5) is provided on the lower surface of the water storage tank (3). A cleaning component (6) for scraping dirt from inside the tank is provided in the inner cavity of the water storage tank (3). A descaling box (7) is provided at the other end of the base (1). A connection port is provided at one end of the descaling box (7). 8) The other end of the descaling box (7) is provided with a water delivery component (9) for conveying water flow. The other end of the water delivery component (9) is connected to the inner cavity of the water storage tank (3). The inner cavity of the descaling box (7) is provided with an adsorption chamber (10) and a filter chamber (11). The inner cavity of the adsorption chamber (10) is connected to the filter chamber (11). The inner cavity of the adsorption chamber (10) is provided with activated carbon, and the inner cavity of the filter chamber (11) is provided with filter cotton blocks.
2. A solar water heater with descaling and scale prevention function according to claim 1, characterized in that: The cleaning component (6) includes a stepper motor (61), which is fixedly connected to the outer wall of the hot water tank via a mounting plate. The output shaft of the stepper motor (61) is keyed to a rotating frame (62), which is located in the inner cavity of the water storage tank (3). A scraper (63) is provided on the outer surface of the rotating frame (62), and the surface of the scraper (63) is in contact with the inner wall of the water storage tank (3).
3. A solar water heater with descaling and scale prevention function according to claim 2, characterized in that: The scraper (63) is provided in several groups, and the several groups of scraper (63) are distributed around the center on the outer surface of the rotating frame (62).
4. A solar water heater with descaling and scale prevention function according to claim 1, characterized in that: The water delivery assembly (9) includes a water pump (91), which is fixedly installed on the outer wall of the descaling tank (7). The water pump (91) has a water inlet connected to a water pump pipe (92), the other end of which is connected to the inner cavity of the descaling tank (7). The water pump (91) has a water delivery inlet connected to a water delivery pipe (93), the other end of which is connected to the inner cavity of the water storage tank (3).
5. A solar water heater with descaling and scale prevention function according to claim 1, characterized in that: The top of the descaling box (7) is provided with a box cover (12), and an elastic connecting plate (13) is fixedly connected to the outer side wall of the box cover (12). The surface of the elastic connecting plate (13) is provided with a groove, and a locking block (14) is fixedly connected to the outer side wall of the descaling box (7). The locking block (14) engages with the inner cavity of the groove of the elastic connecting plate (13).
6. A solar water heater with descaling and scale prevention function according to claim 5, characterized in that: A sealing plate (15) is fixedly connected to the bottom of the box cover (12). The sealing plate (15) is arranged in a square shape. A sealing groove (16) adapted to the sealing plate (15) is opened on the upper surface of the descaling box (7).
7. A solar water heater with descaling and scale prevention function according to claim 1, characterized in that: A battery module (17) is installed on the upper surface of the base (1), and the battery module (17) is electrically connected to the water delivery component (9) and the cleaning component (6) respectively.
Citation Information
Patent Citations
Solar water heater
CN118242776A