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CN-122015302-A - Efficient energy-saving solar water heater with anti-freezing structure

CN122015302ACN 122015302 ACN122015302 ACN 122015302ACN-122015302-A

Abstract

The invention relates to the technical field of solar water heaters, in particular to a high-efficiency energy-saving solar water heater with an anti-freezing structure, which comprises a solar water heater body, a water heater body and a water heater body, wherein the solar water heater body comprises a mounting frame, a hot water tank and a heat collector body; the high-efficiency energy-saving solar water heater with the anti-freezing structure can effectively avoid the shielding of snow and the cracking of the heat collector body by the ice layer through the covering protection of the anti-freezing film, further achieve the purposes of guaranteeing the photo-thermal conversion efficiency, prolonging the service life of equipment and reducing the maintenance cost, realize the anti-freezing function and simultaneously reduce the influence on the light receiving quantity of the heat collector and the effect of freezing and heat collection by adopting synchronous retraction of the heat tracing belt and the anti-freezing film, and further supplement the light receiving loss caused by the anti-freezing film, the retraction and the protection box by the light compensation component.

Inventors

  • FANG KAI
  • LIU BAOCHUN

Assignees

  • 芜湖贝斯特新能源开发有限公司

Dates

Publication Date
20260512
Application Date
20260305

Claims (10)

  1. 1. An efficient energy-saving solar water heater with an anti-freezing structure, which is characterized by comprising: The solar water heater comprises a solar water heater body (1), wherein the solar water heater body (1) comprises a mounting rack (1 a), a hot water tank (1 b) and a heat collector body (1 c); the anti-freezing films (2) are arranged below the heat collector body (1 c) in parallel and are in a furling state when not unfolded; The two guide rails (3) are respectively positioned at two ends of the heat collector body (1 c) and are arranged in parallel with the heat collector body, guide grooves are respectively formed in one adjacent side of the two guide rails (3) and are used for guiding the anti-freezing film (2) to be unfolded and cover the outer side of the heat collector body (1 c), and the two guide rails (3) are respectively arranged on the hot water tank (1 b) and the mounting frame (1 a); The winding and unwinding assembly (4) is used for driving the anti-freezing film (2) to be unwound and wound along the guide rail (3); the control driving assembly (5) is arranged at the end part of the winding and unwinding assembly (4) and drives the winding and unwinding assembly to act, and the control driving assembly (5) comprises an illumination sensor (5 a), a Wen Yu integrated sensor (5 b), a driver (5 c) and a controller (5 d); the illumination sensors (5 a) and Wen Yu b are electrically connected with the controller (5 d) and are respectively used for detecting the ambient illumination intensity, the ambient temperature and the rain and snow state; The controller (5 d) is electrically connected with the driver (5 c), and the driver (5 c) is in transmission connection with the winding and unwinding assembly (4); the protective box (6) is arranged below the heat collector body (1 c) in parallel and is arranged at the bottom of the guide rail (3), and the winding and unwinding assembly (4), the driver (5 c) and the controller (5 d) are all arranged in the protective box (6); The anti-freezing film (2) is provided with an interlayer cavity, a heat tracing belt (2 a) is arranged in the interlayer cavity, and the heat tracing belt (2 a) can be synchronously unfolded and rolled along with the anti-freezing film (2); and the light compensation component (7) is positioned between the protective box (6) and the heat collector body (1 c) and is arranged above the protective box (6) and used for supplementing illumination to the heat collector body (1 c).
  2. 2. The efficient and energy-saving solar water heater with the antifreeze structure according to claim 1, wherein the heat tracing band (2 a) is arranged along the length direction of the antifreeze film (2) and is electrically connected with the controller (5 d) to control the start and stop of the heat tracing band (2 a) according to the ambient temperature.
  3. 3. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 1, wherein the light compensation component (7) comprises an isosceles triangle reflecting column (7 a) and a mounting frame (7 b), the heat collector body (1 c) is provided with a plurality of strip-shaped intervals, and the isosceles triangle reflecting column (7 a) is positioned right below the intervals.
  4. 4. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 1, wherein a mounting bracket (1 a 1) is arranged on one side of the mounting bracket (1 a), the mounting bracket (1 a 1) is positioned at the bottom ends of the mounting bracket (1 a) and the heat collector body (1 c), the mounting bracket (1 a 1) vertically extends to a guide rail (3) of which the top is higher than the mounting bracket (1 a), and the illumination sensor (5 a) and the temperature and rain integrated sensor (5 b) are mounted at the top of the mounting bracket (1 a 1).
  5. 5. The high efficiency energy saving solar water heater with freeze resistant structure of claim 1, wherein the freeze resistant film (2) has a traction end and a winding end, the winding and unwinding assembly (4) comprises: The winding end of the anti-freezing film (2) is connected to the winding roller (4 a); the stay cord (4 b), the said stay cord (4 b) has connecting end and fixed end, the connecting end of the said stay cord (4 b) connects with traction end of the antifreeze film (2); the fixed end of the stay rope (4 b) is connected to the traction roller (4 c), and the driver (5 c) is in transmission connection with the traction roller (4 c) and is used for driving the traction roller (4 c) to rotate so as to drive the anti-freezing film (2) to be unfolded or rolled; The two driving gears (4 d) are arranged, the two driving gears (4 d) are respectively arranged on the winding roller (4 a) and the traction roller (4 c), and the two driving gears (4 d) are meshed with each other and are used for realizing meshing transmission of the winding roller (4 a) and the traction roller (4 c).
  6. 6. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 3, wherein a box cover (6 a) is arranged at the top of the protective box (6), and the bottom of the mounting frame (7 b) is fixedly connected with the protective box (6).
  7. 7. The efficient and energy-saving solar water heater with the freezing resistant structure according to claim 6, wherein the isosceles triangle reflecting column (7 a) is mounted on the top of the mounting frame (7 b), and the mounting frame (7 b) is used for reserving a flushing gap between the isosceles triangle reflecting column (7 a) and the box cover (6 a).
  8. 8. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 6, wherein the tank cover (6 a) and the guide rail (3) are provided with notches matched with the traction end of the anti-freezing film (2) and the connecting end of the pull rope (4 b); a scraping rod (3 a) for scraping and cleaning the surface of the anti-freezing film (2) is further arranged between the two guide rails (3).
  9. 9. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 1, wherein the anti-freezing film (2) covers the outer side of the heat collector body (1 c) when being fully unfolded and is contained in the protective box (6) when being rolled.
  10. 10. The efficient and energy-saving solar water heater with the anti-freezing structure according to claim 1, wherein the controller (5 d) controls the driver (5 c) to drive the winding and unwinding assembly (4) to automatically unwind or wind the anti-freezing film (2) according to signals of the illumination sensor (5 a) and the temperature and rain integrated sensor (5 b).

Description

Efficient energy-saving solar water heater with anti-freezing structure Technical Field The invention relates to the technical field of solar water heaters, in particular to a high-efficiency energy-saving solar water heater with an anti-freezing structure. Background The high-efficiency energy-saving solar water heater is used as clean and renewable energy source utilization equipment, is widely applied to various scenes such as families, hotels, schools, office buildings and the like, and becomes one of important equipment for solving the problem of domestic hot water supply. Compared with the traditional hot water supply equipment, the high-efficiency energy-saving solar water heater has the remarkable advantages that firstly, the solar water heater is clean and environment-friendly, solar radiation energy is used for photo-thermal conversion, fossil energy such as coal and natural gas is not required to be consumed, no waste gas, waste water and waste residue are discharged, pollution to the environment is avoided, secondly, the solar water heater is energy-saving and efficient, solar energy is used as free renewable energy, the running cost of hot water supply can be greatly reduced, the high-efficiency heat collection structure can improve the solar energy conversion efficiency to more than 25%, thirdly, the service life is long, the high-quality heat collector, the heat preservation water tank and the support are reasonably matched, the normal service life of the heat collector can reach more than 15 years, the maintenance cost is low, and fourthly, the application range is wide, the installation mode can be flexibly designed according to different scene requirements, and the urban and rural various buildings are adapted, and the hot water supply requirements of different scales are met. At present, the high-efficiency energy-saving solar water heater is widely applied to various areas in north and south of China, wherein a household scene is mainly used for supplying domestic hot water such as washing, shower, kitchen water and the like, and commercial and public scenes are used for supplying concentrated hot water. However, in the actual use process of the existing high-efficiency energy-saving solar water heater, especially in the northern cold areas or areas frequently suffering from rain and snow, although the joint of the pipeline and the water tank of the solar water heater is provided with good low-temperature protection, the protection of the heat collector is poor, so that the use effect and the service life of the heat collector are seriously affected. On the one hand, during rainy and snowy weather, the collector surface of the solar water heater is easy to be covered by snow, and the snow can shield solar radiation, so that the collector cannot effectively absorb solar energy, the light-heat conversion efficiency is greatly reduced, and even hot water cannot be generated. On the other hand, in cold rainy and snowy weather, when the ambient temperature drops below 0 ℃, the icing phenomenon easily occurs at the heat collector, the expansion of the ice layer can support and crack the inner container of the heat collector and the interface sealing piece, so that water leakage faults are caused, a large amount of cost is required for maintenance, equipment cannot be normally used, and popularization and application of the high-efficiency energy-saving solar water heater in cold rainy and snowy areas are severely restricted. Meanwhile, if the heat collector is to be subjected to anti-freezing protection, components are inevitably required to be added, which affects the light receiving amount of the heat collector. Disclosure of Invention According to the efficient energy-saving solar water heater with the anti-freezing structure, the anti-freezing film covers and protects the solar water heater, the problems of rain and snow coverage and low-temperature freezing of the solar water heater can be effectively solved, snow shielding is avoided, an ice layer is prevented from supporting and cracking the solar water heater body, the purposes of guaranteeing photo-thermal conversion efficiency, prolonging the service life of equipment and reducing maintenance cost are achieved, the heat tracing belt and the anti-freezing film are synchronously retracted and released, the anti-freezing function is achieved, the influence on the light receiving quantity of the solar water heater is reduced, the anti-freezing and heat collecting effects are achieved, the light compensation component can supplement illumination of the solar water heater, and light receiving loss caused by the anti-freezing film, the retraction and release component and the protection box can be further compensated, so that the photo-thermal conversion efficiency is further improved. In order to solve the problems in the prior art, the invention provides a high-efficiency energy-saving solar water heater with an anti-freezing structure, w