CN212274287U

CN212274287U - Novel solar water heating system

Info

Publication number: CN212274287U
Application number: CN202022090992.5U
Authority: CN
Inventors: 陈安祥
Original assignee: Individual
Current assignee: Shandong Hanneng Solar Energy Group Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-01-01
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a novel solar water heating system, including flat plate collector and wing section water tank, wing section water tank includes inner bag and outer courage, and wing section water tank's lower extreme is equipped with hot-water line and cold water pipe, trades water to the water tank, and wing section heat exchanger fin is installed to wing section water tank's lower extreme, and the heat exchanger fin forms the heat transfer chamber with the low head and is the heat exchanger, and heat medium pipe and cold medium pipe are connected to the heat exchanger, and heat medium pipe passes through the hot medium export of pipe connection flat plate collector, and cold medium pipe passes through the pipe connection cold medium entry, flat plate collector includes upper cover and below box, is equipped with the thermal-arrest core in the flat plate collector, and the downside of thermal-arrest core is through gluing the piece under unsettled in the box of below, and the upper cover corresponds down and glues piece department and be. The utility model discloses collection thermal efficiency is high, and is longe-lived, and the quality is more reliable.

Description

Novel solar water heating system

Technical Field

The utility model relates to a solar water heating equipment technical field specifically is a novel solar water heating system.

Background

The defects of the existing solar flat plate collector are mainly as follows:

firstly, the inside outer jacket formula heat transfer structure that is of water tank, heat exchanger inner space is only about 10mm, can't continue anticorrosive treatment to perishable short-lived.

Secondly, a heat collecting element in the heat collector is a heat collecting core, the heat collecting core is welded by a tube plate, sunlight penetrates through glass fiber reinforced plastic and is emitted to a heat collecting plate, the heat collecting plate transmits heat to a limited number of copper tubes through welding seams, the copper tubes transmit the heat to a heat exchanger, the welding seams between the copper tubes and the heat collecting plate are only about 2mm, and the heat transmission area is limited. The existing flat plate heat collector almost has no heat preservation, and some flat plate heat collectors only add a polyester plate or an aluminum film behind a heat collecting core to reduce the heat scattering. Therefore, the utility model provides a novel solar water heating system to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel solar water heating system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel solar water heating system comprises a flat plate collector and a wing-shaped water tank, wherein the wing-shaped water tank comprises an inner container and an outer container, high-pressure foaming heat preservation is carried out between the inner container and the outer container, the inner wall of the inner container is enameled, the heat preservation effect is improved, the service life is prolonged, a temperature sensing pipe is arranged in the wing-shaped water tank and used for detecting the internal water temperature, electric heating is arranged on the wing-shaped water tank, a hot water pipe and a cold water pipe are arranged at the lower end of the wing-shaped water tank, the water tank is changed with water, the wing-shaped water tank is provided with two girth welds and a straight weld, but a jacket-type water tank is provided with four girth welds and two straight welds, so that one straight weld and two girth welds are reduced, labor and time;

the heat medium pipe is connected with a heat medium outlet of the flat plate collector through a pipeline, the cold medium pipe is connected with a cold medium inlet through a pipeline, the flat plate collector comprises an upper cover and a lower box, a heat collection core is arranged in the flat plate collector, the lower side of the heat collection core is suspended in the lower box through a lower sticky block, an upper sticky block is arranged at the position, corresponding to the lower sticky block, of the upper cover, and the heat medium pipe and the cold medium pipe are communicated through the heat collection core.

As a further proposal of the utility model, the wing-shaped water tank is provided with a magnesium rod for preventing the corrosion of the metal liner and softening the water quality.

As the utility model discloses further scheme again, the thermal-arrest core is formed for welding after the two board shaping, improves heat transfer area more than 90% to improve heat exchange efficiency greatly.

As the utility model discloses scheme further still, the flat plate collector outside is equipped with the dustcoat, upper cover and below box promptly, the upper cover is toughened glass, the below box adopts glass steel, plastics or metal material, and it has formed inclosed space inside after sealed heat seal, makes its inside heat preservation courage that has formed, carries out the evacuation in the space or fills nitrogen gas or argon gas to guarantee the heat loss of thermal-arrest core, the upper cover adopts the adhesive bonding with the below box, keeps inside seal.

As a further proposal of the utility model, the lower box adopts the mold forming, and the upper cover is bonded with the lower box at last.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses it is few to save the material than present conventional double-layered shell type components of a whole that can function independently solar water tank, has increased 1 airfoil heat exchanger, has nevertheless saved the overcoat cover, and overcoat cover material cost is more than about 30% than the heat exchanger is how big.

2. When welding, the airfoil water tank of the product only has two girth welds and one straight weld, but the jacketed water tank has four girth welds and two straight welds, so that the product has one less straight weld and two less girth welds, and the leakage points caused by easy corrosion of the welds are reduced, thereby ensuring more reliable quality.

3. The product uses less heat-conducting medium than the outer jacket type water tank, thus not only saving medium but also making the water temperature of the water tank higher under the condition of the same heat collection area, thereby ensuring better use effect.

4. The heat collector is formed by welding two formed plates, so that the whole plate almost has a heat exchange area, the heat exchange area is improved by more than 90%, the heat exchange efficiency is greatly improved, the heat collector is vacuumized or filled with nitrogen (or argon), the heat in the heat collector core is not dissipated, the heat in the heat collector core is fully transferred to the heat exchanger in the water tank, the heat collection efficiency is high, the service life is long, and the quality is more reliable.

Drawings

Fig. 1 is a schematic structural diagram of a novel solar water heating system.

Fig. 2 is a schematic structural diagram of a flat plate collector in a novel solar water heating system.

Fig. 3 is a schematic view of a bottom view of an airfoil-shaped water tank in a novel solar water heating system.

In the figure: 1. a flat plate collector; 2. a wing-shaped water tank; 3. an upper cover; 4. sticking the block on the surface; 5. a lower sticky block; 6. a lower box; 7. a heat collection core; 8. a thermal medium outlet; 9. a cold medium inlet; 10. an outer liner; 11. an inner container; 12. a temperature sensing tube; 13. electrically heating; 14. a magnesium rod; 15. an airfoil heat exchanger; 16. a heat medium pipe; 17. a cold medium pipe; 18. a cold water pipe; 19. a hot water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a novel solar water heating system comprises a flat plate collector 1 and a wing-shaped water tank 2, wherein the wing-shaped water tank 2 comprises an inner container 11 and an outer container 10, high-pressure foaming heat preservation is performed between the inner container 11 and the outer container 10, the inner wall of the inner container 11 is continuously enameled, the heat preservation effect is enhanced, the service life is prolonged, a temperature sensing pipe 12 is installed in the wing-shaped water tank 2 for detecting the internal water temperature, an electric heater 13 is installed in the wing-shaped water tank 2, a magnesium rod 14 is installed in the wing-shaped water tank 2 for preventing the metal inner container from being corroded and softening the water, a hot water pipe 18 and a cold water pipe 19 are arranged at the lower end of the wing-shaped water tank 2, the water tank 2 is provided with 2 girth welds and 1 straight welds, but the jacketed water tank is provided with 4 girth welds and 2 straight welds, the lower end of the wing-shaped water tank 2 is provided with a wing-shaped heat exchanger 15, and the wing-shaped heat exchanger 15 is connected with a heat medium pipe 16 and a cold medium pipe 17;

the heat medium pipe 16 is connected with a heat medium outlet 8 of the flat plate collector 1 through a pipeline, the cold medium pipe 17 is connected with a cold medium inlet 9 through a pipeline, the flat plate collector 1 comprises an upper cover 3 and a lower box 6, a heat collecting core 7 is arranged in the flat plate collector 1, the lower side of the heat collecting core 7 is suspended in the lower box 6 through a lower sticky block 5, an upper sticky block 4 is arranged at the position of the upper cover 3 corresponding to the lower sticky block 5, the heat medium pipe 16 is communicated with the cold medium pipe 17 through the heat collecting core 7, the heat collecting core 7 is formed by welding two plates after being formed, the heat exchange area is improved by more than 90 percent, so that the heat exchange efficiency is greatly improved, the upper cover 3 and the lower box 6 are arranged at the outer side of the flat plate collector 1, the upper cover 3 is made of toughened glass, the lower box 6 is made of glass fiber reinforced plastic or metal, a closed space is formed inside after sealed and heat sealing, a heat sealing is formed in the heat, so as to ensure that the heat of the heat collecting core 7 is not lost, the upper cover 3 and the lower box 6 are bonded by adhesive to keep the inner sealing, the lower box 6 is molded by adopting a mold, and finally the upper cover 3 and the lower box 6 are bonded.

The utility model discloses a theory of operation is: when the solar water heater is used, sunlight irradiates the heat collecting core 7 through the outer cover, the heat collecting core 7 converts light energy into heat energy, an internal medium is heated and enters the airfoil heat exchanger 15 in the airfoil water tank 2 through the heat medium outlet 8, the heat of the medium heats water in the water tank to finish energy storage, and a cooled medium enters the heat collecting core 7 again through the cold medium pipe 17 to finish circulation.

Compared with the conventional jacket type split solar water tank, the utility model saves more materials and 1 wing type heat exchanger, but saves the outer jacket, the material cost of the outer jacket is more than about 30 percent larger than that of the heat exchanger, when in welding, the wing type heat exchanger of the product only has 2 girth welds and one straight weld, but the jacket type water tank has 4 girth welds and 2 straight welds, thus the product has one straight weld and 2 girth welds, the leakage point caused by easy corrosion of the weld is reduced, thereby the quality is more reliable, the product uses less heat-conducting medium than the outer jacket type water tank, thereby under the condition of the same heat collection area, the water tank water temperature is higher, the current solar heat collection core is welded with copper pipes and heat collection sheets, and the product is welded with 2 aluminum alloy plates or other plates, thereby the copper material which is more noble is greatly saved, thereby the better use effect is ensured, the heat collector is formed by welding two formed plates, so that the whole plate almost has a heat exchange area, the heat exchange area is improved by more than 90%, the heat exchange efficiency is greatly improved, the heat collector is vacuumized or filled with nitrogen (or argon), the heat in the heat collector core is not dissipated, the heat in the heat collection core 7 is fully transmitted to the heat exchanger in the water tank, the heat collection efficiency is high, the service life is long, and the quality is more reliable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and all equivalent substitutions or changes according to the technical solution of the present invention and the novel concept thereof are also within the scope of the present invention.

Claims

1. A novel solar water heating system comprises a flat plate collector (1) and an airfoil water tank (2), and is characterized in that the airfoil water tank (2) comprises an inner container (11) and an outer container (10), high-pressure foaming and heat preservation are carried out between the inner container (11) and the outer container (10), the inner wall of the inner container (11) is enameled, a temperature sensing pipe (12) is installed in the airfoil water tank (2), an electric heater (13) is installed on the airfoil water tank (2), a hot water pipe (18) and a cold water pipe (19) are arranged at the lower end of the airfoil water tank (2), only two girth welds are formed in the airfoil water tank (2), an airfoil heat exchanger (15) is installed at the lower end of the airfoil water tank (2), only one girth weld is formed in the airfoil heat exchanger (15), and the airfoil heat medium pipe (16) and the cold medium pipe (17;

the heat medium pipe (16) is connected with a heat medium outlet (8) of the flat plate collector (1) through a pipeline, the cold medium pipe (17) is connected with a cold medium inlet (9) through a pipeline, the flat plate collector (1) comprises an upper cover (3) and a lower box (6), a heat collection core (7) is arranged in the flat plate collector (1), the lower side of the heat collection core (7) is suspended in the lower box (6) through a lower sticky block (5), an upper sticky block (4) is arranged at the position, corresponding to the lower sticky block (5), of the upper cover (3), and the heat medium pipe (16) and the cold medium pipe (17) are communicated through the heat collection core (7).

2. A novel solar water heating system according to claim 1, characterized in that the wing-shaped water tank (2) is fitted with magnesium rods (14).

3. A novel solar water heating system according to claim 1, characterized in that said heat collecting core (7) is formed by welding two formed plates.

4. A novel solar water heating system as claimed in claim 1, wherein the outer side of the flat plate collector (1) is provided with an outer cover, namely an upper cover and a lower box, the upper cover is made of toughened glass, the lower box is made of glass fiber reinforced plastic, plastic or metal, and a sealed space is formed inside the lower box after sealing and heat sealing, so that a heat preservation liner is formed inside the lower box.

5. A novel solar water heating system as claimed in claim 1, characterized in that the lower box (6) is formed by a mould, and finally the upper cover (3) is bonded to the lower box (6).

6. A novel solar water heating system as claimed in claim 1, wherein the heat collecting core (7) is formed by welding two plates, except for the welding strip, the rest are pressure-bearing circular arc surfaces, and the sun-facing surface is coated with a blue film.