CN215930159U

CN215930159U - Solar water heater

Info

Publication number: CN215930159U
Application number: CN202120750012.1U
Authority: CN
Inventors: 吕恒涛; 李开春; 王岩; 张洋; 江广林; 李海兵; 李昊霖; 唐志飞
Original assignee: Sunrain Group Co ltd; Solareast Holdings Co Ltd
Current assignee: Sunrain Group Co ltd; Solareast Holdings Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-03-01
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a solar water heater, which comprises a frame, wherein a back plate is arranged at the bottom of the frame, a glass cover plate is arranged at the upper part of the frame, a vacuum jacket heat storage water tank is arranged in the frame, the vacuum jacket heat storage water tanks are connected through a corrugated hose, and a liquid inlet pipe and a liquid outlet pipe are respectively connected to the upper vacuum jacket heat storage water tank and the lower vacuum jacket heat storage water tank; the vacuum jacket heat storage water tank comprises a jacket pipe and a heat storage pipe, a vacuum chamber is formed between the jacket pipe and the heat storage pipe, and a heat exchange medium is arranged in the vacuum chamber. According to the utility model, the vacuum cavity is formed between the jacketed pipe and the heat storage pipe, so that the heat transfer of the inner container is reduced in a non-heating state, the heat preservation effect is obviously improved, and meanwhile, a good hot water using effect can be brought.

Description

Solar water heater

Technical Field

The utility model relates to the technical field of solar energy application, in particular to a solar water heater.

Background

At present, global energy situation is tense, climate warming seriously threatens economic development and people's life health, all countries in the world seek a new energy replacement strategy to develop low-carbon economy all the time so as to obtain sustainable development and obtain an advantage. Solar energy is a clean energy source, can be obtained and applied in places with the sun, and is a clean and relatively cheap energy source which can be obtained in modern society where resources are in shortage and the use cost of energy sources is increased. The solar water heater is a device which utilizes a solar heat collector to collect solar radiation energy to heat water. The solar water heater is popularized and applied in rural areas and cities, and is popular with more and more people. However, the solar water heater on the market has low solar energy utilization rate and large heat loss, and can not meet the living needs of people even if the weather is slightly different, so that the popularization of the solar water heater is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of the prior art and provides a solar water heater which is simple in structure, convenient and environment-friendly, convenient to install and space-saving, and the specific scheme is as follows:

the utility model relates to a solar water heater, which is characterized in that: the solar heat collector comprises a frame, wherein a back plate is arranged at the bottom of the frame, a glass cover plate is arranged at the upper part of the frame, a plurality of groups of vacuum jacket heat storage water tanks which are arranged side by side are arranged in the frame, the groups of vacuum jacket heat storage water tanks are connected end to end through corrugated hoses, and a liquid inlet pipe and a liquid outlet pipe are respectively connected to an upper vacuum jacket heat storage water tank and a lower vacuum jacket heat storage water tank; vacuum jacket heat storage water tank includes jacketed pipe and heat storage pipe that mutual cover was established, constitutes the vacuum chamber between jacketed pipe and the heat storage pipe, is equipped with heat transfer medium in the vacuum chamber, scribbles the heat absorption rete on jacketed pipe's surface, is equipped with circulation feed liquor pipe and circulation drain pipe respectively at the both ends of heat storage pipe, and circulation feed liquor pipe and circulation drain pipe all link to each other with corrugated hose.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that the frame is a rectangular frame, a fixed lining disc for supporting the vacuum jacket heat storage water tank is arranged in the rectangular frame, and heat insulation cotton for wrapping the corrugated hose is arranged on two sides of the frame. The vacuum jacket heat storage water tank is convenient to fix and support by arranging the fixed lining disc, and the corrugated hose is wrapped with the heat insulation cotton, so that the loss of heat energy is reduced.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that the jacketed pipe and the heat storage pipe are eccentrically welded and sealed, and one end of the jacketed pipe is welded with a branch pipe for vacuumizing and injecting a heat exchange medium.

The object of the present invention can be achieved by providing a vacuum chamber having a degree of vacuum of 10^-2Pa. When the vacuum degree of the vacuum chamber reaches 10^-2Pa, the effect is best.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that a plurality of groups of vacuum jacket heat storage water tanks are transversely arranged in parallel and are beneficial to heat transfer.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that the charging amount of the heat exchange medium in each vacuum jacket heat storage water tank is 0.1-1 kg.

Compared with the prior art, the utility model has the beneficial effects that: adopt to form the vacuum chamber between jacket pipe and heat-retaining pipe, reduce the heat transfer of heat-retaining pipe under the non-heating state, the heat preservation effect is showing and is promoting, simple structure, convenient environmental protection, simple to operate saves usage space, has further reduced manufacturing cost, can also bring fine use hot water effect simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention;

fig. 2 is a right side view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the solar water heater that this embodiment provided, including frame 2, the frame is established to the rectangle frame, is provided with backplate 9 in the bottom of frame 2, is provided with glass apron 6 on the upper portion of frame 2, is equipped with the fixed lining dish that supports vacuum jacket heat storage water tank 3 in the rectangle frame, has the vacuum jacket heat storage water tank 3 that a plurality of groups set up side by side at the internally mounted of frame 2, and a plurality of groups vacuum jacket heat storage water tank 3 are horizontal to be parallel to each other and set up side by side, through 5 end to end of corrugated hose between a plurality of groups vacuum jacket heat storage water tank 3, be equipped with the cotton 1 that keeps warm of parcel corrugated hose 5 in the both sides of frame 2, be connected with feed liquor pipe 4 and drain pipe 7 on two upper and lower vacuum jacket heat storage water tank respectively.

Vacuum jacket heat storage water tank 3 is including the jacketed pipe 10 and the heat storage pipe 8 that establish each other cover, jacketed pipe 10 and heat storage pipe 8 can set up to the jacketed pipe and the heat storage pipe of pipe shape, and the material of jacketed pipe 10 and heat storage pipe 8 can make stainless steel, also can be the glass material, jacketed

pipe

10 and 8 eccentric welding of heat storage pipe are sealed, have the branch pipe that is used for evacuation and pours into heat transfer medium into in the one end welding of jacketed pipe 10. A vacuum chamber is formed between the jacketed pipe 10 and the heat storage pipe 8, and the vacuum degree of the vacuum chamber is 10^-2Pa. The vacuum heat storage water tank is characterized in that heat exchange media are arranged in the vacuum cavity, the heat exchange media can be water or hot media water, the charging amount of the heat exchange media in each vacuum jacket heat storage water tank 3 is 0.5kg, the height of the heat exchange media in the vacuum jacket heat storage water tank 3 is about 5mm, a heat absorption film layer is coated on the outer surface of the jacket pipe 10, a circulating liquid inlet pipe and a circulating liquid outlet pipe are respectively arranged at two ends of the heat storage pipe 8, the circulating liquid inlet pipe and the circulating liquid outlet pipe are both connected with the corrugated hose 5, and the corrugated pipe is connected with other heat storage pipes.

When the lamp is illuminated, the heat absorbing film layer on the surface of the jacketed pipe 10 absorbs the heat of the sunlight, then the heat exchange is carried out through the phase change of the heat exchange medium, and when the temperature of the vacuum chamber rises to 10 DEG, the heat exchange is carried out^-2And when the temperature is the saturation temperature of Pa, the heat exchange medium is evaporated into saturated steam to complete the first phase change process. Utilize the characteristic that the boiling point is low under the vacuum condition promptly, heat transfer medium who loads in the sealed double-layered sleeve 10 of rapid heating makes heat transfer medium boiling heat send high temperature steam, and the cold water in heating heat storage pipe 8 is condensed on heat storage pipe 8 surface to steam, reduces heat storage pipe 8's heat transfer under the non-heating state, and the heat preservation effect is showing and is promoting, simple structure, and the convenience is convenientEnvironmental protection, simple to operate saves usage space.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A solar water heater is characterized in that: the solar water heater comprises a frame (2), wherein a back plate (9) is arranged at the bottom of the frame, a glass cover plate (6) is arranged at the upper part of the frame, a plurality of groups of vacuum jacket heat storage water tanks (3) which are arranged side by side are arranged in the frame, the groups of vacuum jacket heat storage water tanks are connected end to end through corrugated hoses (5), and a liquid inlet pipe (4) and a liquid outlet pipe (7) are respectively connected to an upper vacuum jacket heat storage water tank and a lower vacuum jacket heat storage water tank; vacuum jacket heat storage water tank includes jacketed pipe (10) and heat storage pipe (8) that establish each other cover, constitutes the vacuum chamber between jacketed pipe and the heat storage pipe, is equipped with heat transfer medium in the vacuum chamber, scribbles the heat absorption rete on jacketed pipe's surface, is equipped with circulation feed liquor pipe and circulation drain pipe respectively at the both ends of heat storage pipe, and circulation feed liquor pipe and circulation drain pipe all link to each other with corrugated hose.

2. A solar water heater according to claim 1, wherein: the frame is a rectangular frame, a fixed lining disc for supporting the vacuum jacket heat storage water tank is arranged in the rectangular frame, and heat insulation cotton (1) wrapping the corrugated hose is arranged on two sides of the frame.

3. A solar water heater according to claim 1, wherein: the jacketed pipe and the heat storage pipe are welded and sealed eccentrically, and a branch pipe for vacuumizing and injecting a heat exchange medium is welded at one end of the jacketed pipe.

4. A solar water heater according to claim 1, wherein: what is needed isThe vacuum chamber has a vacuum degree of 10^-2Pa。

5. A solar water heater according to claim 1, wherein: a plurality of groups of vacuum jacket heat storage water tanks are transversely arranged in parallel.

6. A solar water heater according to claim 1, wherein: the charging amount of the heat exchange medium in each vacuum jacket heat storage water tank is 0.1 g-1 kg.