High performance solar water heater

A solar water heater, high-efficiency technology, applied in the direction of solar collector, solar thermal energy, solar thermal power generation, etc., can solve the problems of damage, small light-receiving area, complicated construction, etc., so as to improve the heat-absorbing efficiency and increase the heat-absorbing area. , good thermal insulation effect

Inactive Publication Date: 2005-06-29
张文征
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the application of solar water heaters is becoming more and more extensive, and has been accepted by the majority of the people. The cross-section of the existing solar vacuum tubes is circular. Although this vacuum tube can absorb a certain amount of sunlight, due to the influence of its interface area, The light-receiving area is small, so the efficiency is not high. The existing solar reflectors generally use stainless steel, aluminum plate or aluminum paper, etc., and the effect is also good, but there are problems of corrosion, aging and damage. The surface of the reflector is easy to stick to dust after long-term use , thereby affecting the reflective effect. At the same time, the existing thermal insulation pipes of solar water heaters generally use methods such as binding thermal insulation material layers outside the tubes and coating thermal insulation layers. Although this method can play a certain role in thermal insulation, the construction is complicated, wastes materials, and affects beautiful appearance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1, a high-efficiency solar water heater, refer to figure 1 , figure 2 , Is the bottom of the housing 4 is provided with a reflective plate 2, the reflective plate 2 fixes the vacuum tube 1, the insulation tube 3 is connected to an opening 5 on the vacuum tube 1 and extends to the place of use, the cross section of the vacuum tube 1 is oval, which constitutes A structure of the present invention.

Embodiment 2

[0018] Example 2, a high-efficiency solar water heater, refer to image 3 , Figure 4 , On the basis of embodiment 1, the reflector 2 adopts a two-layer structure, the reflector 2 is coated with an enamel reflective layer 7 on the substrate 6, and the two ends of the vacuum tube 1 are respectively provided with an opening 5, an opening 5 in The water inlet pipe is connected, the other is connected with the water outlet insulation pipe 3, and the others are exactly the same as in the first embodiment.

Embodiment 3

[0019] Example 3, a high-efficiency solar water heater, refer to image 3 , Figure 4 , Figure 5 , Is on the basis of embodiment 2, the heat preservation pipe 3 is an outer pipe 8 and an inner pipe 9 sleeved into one body, the inner pipe 9 and the outer pipe 8 are separated by a sealing ring 10 and form a heat preservation vacuum chamber. It is exactly the same as in Example 2.

[0020] When using the present invention, just connect the water inlet pipe and the water outlet heat preservation pipe 3 with the opening 5 of the vacuum tube 1. The cold water is heated by the solar heat absorbed in the vacuum tube 1, and the reflector 2 reflects the sunlight to the vacuum tube 1 for absorption and heating. The hot water is delivered to the incubator for storage through the heat preservation pipe 3 or directly delivered to the place of use.

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Abstract

The invention discloses a high-efficiency solar water heater, which is composed of a vacuum tube, a reflective plate, a thermal insulation tube and a casing. The cross section of the vacuum tube is elliptical. The heat preservation pipe is integrated with the outer layer pipe and the inner layer pipe, and there is a sealing ring space between the inner layer pipe and the outer layer pipe to form a heat preservation vacuum chamber. The invention has the advantages of large heat absorption area, good anti-light absorption effect, and good heat preservation effect , high strength and long life.

Description

1. Technical Field [0001] The invention belongs to the technical field of solar water heaters, and particularly relates to a high-efficiency solar water heater. 2. Background technology [0002] At present, solar water heaters are more and more widely used and have been accepted by the majority of people. The cross-sections of the existing solar vacuum tubes are circular. Although this vacuum tube can absorb a certain amount of sunlight, it is affected by its boundary area. Its light collection area is small, so the efficiency is not high. The existing solar reflectors generally use stainless steel, aluminum plate or aluminum paper, etc., and the effect is also good, but there are problems of corrosion, aging, and damage. The surface of the reflector is easy to stick to dust when used for a long time. , Thus affecting the reflective effect. At the same time, the existing thermal insulation pipes of solar water heaters generally adopt methods such as bundling thermal insulation ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46F24S10/40
CPCY02E10/44
Inventor 张文征
Owner 张文征
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