CN218722342U

CN218722342U - Phase-change heat storage type solar vacuum tube

Info

Publication number: CN218722342U
Application number: CN202222883590.XU
Authority: CN
Inventors: 宋向波; 李权伟; 高杰; 高瑾; 刘廷森; 何永泰
Original assignee: Chuxiong Normal University
Current assignee: Chuxiong Normal University
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a heat-retaining equipment technical field, and a phase transition heat-retaining formula solar energy vacuum tube is disclosed, including heat storage formula vacuum tube, the aqua storage tank has been seted up to heat storage formula vacuum tube left side wall, the inner wall left side fixed mounting of heat storage formula vacuum tube has copper alloy pipe, through having set up heat storage formula vacuum tube, copper alloy pipe and paraffin, heat storage formula vacuum tube accepts the water and the inside paraffin of copper alloy of aqua storage tank department in the solar radiation back heating heat storage formula vacuum tube, along with the continuous rising of temperature, the continuous heat absorption of paraffin in the copper alloy pipe begins to take place the phase transition, store paraffin absorbed heat energy, the temperature of aqua storage tank department in the heat storage formula vacuum tube appears descending, when the temperature is less than the paraffin temperature, paraffin then takes place the phase transition and begins to release around it, with the hydrothermal temperature of the inside aqua storage tank department of heat storage formula vacuum tube, thereby can provide stable hot water for the user, the simple maintenance of overall structure is convenient, but make full use of solar heat energy, have apparent energy-saving effect.

Description

Phase-change heat storage type solar vacuum tube

Technical Field

The utility model relates to a heat-retaining equipment technical field especially relates to a phase transition heat-retaining formula solar vacuum tube.

Background

With the increasing energy crisis and the increasing demand for environmental protection, the development and utilization of clean and renewable new energy sources have received much attention. Among the various new energy sources, solar energy has received high attention because of its advantages of widespread distribution, nearly unlimited reserve, cleanliness and reproducibility. How to improve the heat collection efficiency of the solar vacuum tube heat collector has become a great research hotspot at present. The solar vacuum tube heat collection technology has mature development and low cost, and is widely applied to daily life of people. Although the solar vacuum heat collecting efficiency is improved to some extent in theory and technology, most of the technologies adopt means of increasing a reflecting plate to increase an effective heat collecting area, or adopt a proper inclination angle and the like. As is known, solar vacuum tube water heaters have temporal and spatial diversity, i.e. the collector operates in the daytime and the hot water produced is used at night.

However, the above-mentioned techniques for improving the efficiency of the heat collector are only effective when the heat collector works in the daytime, and the temperature of the hot water stored in the heat collector is reduced due to the ambient temperature after the sun lands at night, so that the purpose of continuously and stably providing hot water required for life for users cannot be achieved.

Therefore, the utility model aims to solve the technical problem of how to improve the utilization ratio of solar energy and provide the hot water required by life for the user continuously and stably.

Therefore, a phase change heat storage type solar vacuum tube is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a phase transition heat-retaining formula solar vacuum tube.

In order to realize the above purpose, the utility model discloses a following technical scheme, a phase transition heat storage formula solar vacuum tube, including heat storage formula vacuum tube, the aqua storage tank has been seted up to heat storage formula vacuum tube left side wall, and the inner wall left side fixed mounting of heat storage formula vacuum tube has the copper alloy pipe, and the copper alloy pipe is the pipe form.

Preferably, the heat storage type vacuum tube comprises an outer glass tube and an inner glass tube, and a vacuum interlayer is arranged between the outer glass tube and the inner glass tube.

Preferably, the inner wall of the copper alloy pipe is provided with paraffin, and the paraffin is cylindrical.

Preferably, the outer wall of the copper alloy pipe is fixedly provided with a fixed support, and the fixed support is rectangular.

Preferably, the top of the fixed support is fixedly connected with the middle end of the top of the inner wall of the heat storage type vacuum tube.

Preferably, the bottom wall of the fixed support is fixedly connected with the middle end of the bottom of the inner wall of the heat storage type vacuum tube.

Preferably, the material of the copper alloy pipe is copper-silver alloy.

Preferably, the material of the heat storage type vacuum tube is borosilicate glass.

Preferably, the fixing bracket is made of foamed polyurethane.

Advantageous effects

The utility model provides a phase transition heat-retaining formula solar vacuum tube. The method has the following beneficial effects:

(1) This phase transition heat-retaining formula solar vacuum tube, through having set up heat-retaining formula vacuum tube, copper alloy pipe and paraffin, heat-retaining formula vacuum tube receives the water of heating reservoir department in the heat-retaining formula vacuum tube and the inside paraffin of copper alloy pipe after the solar radiation, along with the continuous rising of temperature, the continuous heat absorption of the intraductal paraffin of copper alloy begins to take place the phase transition, save the absorptive heat energy of paraffin, the decline appears in the temperature of reservoir department in the heat-retaining formula vacuum tube, when the temperature is less than the paraffin temperature, paraffin then takes place the phase transition and begins to release heat around it, with the hydrothermal temperature of the reservoir department in the heat-retaining formula vacuum tube of keeping, thereby can provide stable hot water for the user, overall structure is simple to maintain conveniently, but make full use of solar heat energy, the energy-saving effect who is showing has.

(2) This phase change heat-retaining formula solar vacuum tube, through having set up copper alloy pipe and fixed bolster, the material of copper alloy pipe is the copper silver alloy, has splendid heat conductivility, has improved the inside heat transfer efficiency of heat-retaining formula vacuum pipe, and the material of fixed bolster is foaming polyurethane, has good heat resistance ability, can not lead to the fixed bolster to warp because of the high temperature of copper alloy pipe, has improved the stability of fixed bolster.

(3) This phase change heat-retaining formula solar vacuum tube, through having set up outer glass pipe and interior glass pipe, the material of outer glass pipe and interior glass pipe is borosilicate glass, and it is transparent to have good light, can turn into heat energy with most sunlight, has improved the holistic heating capacity of heat-retaining formula vacuum tube.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a perspective view of the internal structure of the present invention;

fig. 3 is a schematic view of the left side wall surface structure of the present invention.

Illustration of the drawings: 10. a heat storage type vacuum tube; 11. a water storage tank; 12. a copper alloy pipe; 13. paraffin wax; 14. fixing a bracket; 23. an outer glass tube; 24. an inner glass tube; 25. and (5) vacuum interlayer.

Detailed Description

The first embodiment is as follows: a phase change heat storage type solar vacuum tube comprises a heat storage type vacuum tube 10 as shown in figure 1, a water storage tank 11 is formed in the left side wall surface of the heat storage type vacuum tube 10, a copper alloy tube 12 is fixedly installed on the left side of the inner wall of the heat storage type vacuum tube 10, the copper alloy tube 12 is in a round tube shape, the heat storage type vacuum tube 10, the copper alloy tube 12 and paraffin 13 are arranged, the heat storage type vacuum tube 10 receives solar radiation and heats water in the water storage tank 11 in the heat storage type vacuum tube 10 and the paraffin 13 in the copper alloy tube 12, the paraffin 13 in the copper alloy tube 12 continuously absorbs heat and starts to generate phase change along with the continuous rise of temperature, heat energy absorbed by the paraffin 13 is stored, the water temperature in the water storage tank 11 in the heat storage type vacuum tube 10 drops, when the water temperature is lower than the temperature of the paraffin 13, the paraffin 13 starts to generate phase change and release heat to the periphery of the paraffin so as to keep the temperature of the hot water in the water storage tank 11 in the heat storage type vacuum tube 10, and therefore stable hot water can be provided for a user.

Example two: based on embodiment 1, as shown in fig. 2, paraffin 13 is disposed on an inner wall of a copper alloy tube 12, the paraffin 13 is cylindrical, a fixing support 14 is fixedly mounted on an outer wall of the copper alloy tube 12, the fixing support 14 is rectangular, a top of the fixing support 14 is fixedly connected with a middle end of a top of an inner wall of a heat storage type vacuum tube 10, a bottom wall of the fixing support 14 is fixedly connected with a middle end of a bottom of an inner wall of the heat storage type vacuum tube 10, the copper alloy tube 12 is made of a copper-silver alloy and has excellent heat conduction performance, heat conduction efficiency inside the heat storage type vacuum tube 10 is improved, the fixing support 14 is made of foamed polyurethane, the fixing support 14 has excellent heat prevention performance, the fixing support 14 cannot deform due to overhigh temperature of the copper alloy tube 12, and stability of the fixing support 14 is improved.

Example three: in addition to embodiments 1 and 2, as shown in fig. 3, the heat storage type vacuum tube 10 includes an outer glass tube 23 and an inner glass tube 24, a vacuum interlayer 25 is disposed between the outer glass tube 23 and the inner glass tube 24, and by disposing the outer glass tube 23 and the inner glass tube 24, the outer glass tube 23 and the inner glass tube 24 are made of borosilicate glass, which has excellent light transparency, can convert most of sunlight into heat energy, and improves the overall heating capacity of the heat storage type vacuum tube 10.

The utility model discloses a theory of operation: when the sun rises in the morning, the heat storage type vacuum tube 10 receives solar radiation and then heats water at the water storage tank 11 in the heat storage type vacuum tube 10 and paraffin 13 in the copper alloy tube 12, the paraffin 13 in the copper alloy tube 12 continuously absorbs heat and starts to change phase along with the continuous rise of the temperature, and heat energy absorbed by the paraffin 13 is stored, and meanwhile, the copper alloy tube 12 is arranged in the heat storage type vacuum tube 10, so that the heat transfer efficiency in the heat storage type vacuum tube 10 is improved; when the night comes, the water temperature at the water storage tank 11 in the heat storage type vacuum tube 10 drops, and when the water temperature is lower than the temperature of the paraffin 13, the paraffin 13 is subjected to phase change and releases heat to the periphery of the paraffin 13, so that the temperature of hot water at the water storage tank 11 in the heat storage type vacuum tube 10 is kept, and stable hot water can be provided for a user.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a phase transition heat-retaining formula solar vacuum tube, includes heat-retaining formula vacuum tube (10), its characterized in that: a water storage tank (11) is formed in the wall surface of the left side of the heat storage type vacuum tube (10), a copper alloy tube (12) is fixedly mounted on the left side of the inner wall of the heat storage type vacuum tube (10), and the copper alloy tube (12) is in a circular tube shape.

2. The phase change thermal storage solar vacuum tube according to claim 1, wherein: the heat storage type vacuum tube (10) comprises an outer glass tube (23) and an inner glass tube (24), and a vacuum interlayer (25) is arranged between the outer glass tube (23) and the inner glass tube (24).

3. The phase change thermal storage solar vacuum tube according to claim 1, wherein: the inner wall of the copper alloy pipe (12) is provided with paraffin (13), and the paraffin (13) is cylindrical.

4. The phase change thermal storage solar vacuum tube according to claim 1, wherein: the outer wall of the copper alloy pipe (12) is fixedly provided with a fixed support (14), and the fixed support (14) is rectangular.

5. The phase change thermal storage solar vacuum tube according to claim 4, wherein: the top of the fixed support (14) is fixedly connected with the middle end of the top of the inner wall of the heat storage type vacuum tube (10).

6. The phase change thermal storage solar vacuum tube according to claim 4, wherein: the bottom wall of the fixed support (14) is fixedly connected with the middle end of the bottom of the inner wall of the heat storage type vacuum tube (10).

7. The phase change thermal storage solar vacuum tube according to claim 1, wherein: the copper alloy pipe (12) is made of copper-silver alloy.

8. The phase change thermal storage solar vacuum tube according to claim 1, wherein: the heat storage type vacuum tube (10) is made of borosilicate glass.

9. The phase change thermal storage solar vacuum tube according to claim 4, wherein: the fixing support (14) is made of foamed polyurethane.