CN204006754U - A kind of solar energy vacuum tube - Google Patents
A kind of solar energy vacuum tube Download PDFInfo
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- CN204006754U CN204006754U CN201420463827.1U CN201420463827U CN204006754U CN 204006754 U CN204006754 U CN 204006754U CN 201420463827 U CN201420463827 U CN 201420463827U CN 204006754 U CN204006754 U CN 204006754U
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- vacuum tube
- shaped pipe
- pipe
- solar energy
- heat dump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model discloses a kind of solar energy vacuum tube, comprise support, on described support, be provided with mouth of pipe vacuum tube down, in described vacuum tube, be provided with U-shaped pipe, described vacuum tube mouth of pipe place is provided with seal, U-shaped pipe in vacuum tube goes out to be provided with fixture near bend pipe, on U-shaped pipe between described fixture and seal, be provided with heat dump, the cross section of described heat dump is two E shape structures, on described U-shaped pipe, be also provided with pump, described pump is arranged at the feed end of U-shaped pipe, and the feed end of described U-shaped pipe and discharge end are provided with dilation connect device.The purpose of this utility model be intended to provide a kind of simple in structure, photo-thermal transformation efficiency is high, the heat that can efficiently solar energy be provided is drawn out by vapour, liquid, semi-solid fluid, working pressure is in 1.6MPa, and temperature is at the solar energy vacuum tube below 200 ℃.
Description
Technical field
The utility model belongs to solar facilities technical field, specifically relates to a kind of solar energy vacuum tube.
Background technology
Solar energy vacuum tube consists of cover glass tube and inner glass tube, inner glass tube outer surface has the selective absorbing film of high-absorbility and low-launch-rate, between interlayer, be pumped into high vacuum, its shape of vacuum tube under prior art is as an elongated inner flask, and it adopts single port, and the inside and outside mouth of pipe is given to annular sealing by fusing, the other end is airtight hemispherical round end, by Spring Card support cover glass tube and inner glass tube, and can free-extension, the stress that expands with heat and contract with cold and cause to cushion inner glass tube.Getter is housed, the gas producing in the time of can Absorption and running after it evapotranspires, vacuum in holding tube on Spring Card.The complete glass vacuum sun thermal-collecting tube water heater of selling is in the market the instructions for use that reaches hot water in production, life, rely on its core component---there is the complete glass vacuum sun thermal-collecting tube of coating for selective absorption, application by vacuum technology between various up-to-date coating technologies, sleeve pipe, absorbs the photo-thermal from the sun to greatest extent; But, the transmission that can the amount of heat absorbing from the sun very fast, be transported to working medium to be heated problem but few people pay close attention to.
For addressing the above problem, the Chinese patent that application number is " 201010253851.9 " discloses a kind of solar energy vacuum tube, this technology is in vacuum tube, to be provided with level/vertical at least one fin of placing, in the middle of being provided with in pipe, the U shape pipe of heat transfer medium is located in vacuum tube through fin, and fin is fixed on U shape pipe by chilling shrink process.The application of this technology, has increased the exchange heat area of U-shaped pipe and external high temperature environment, increases the heat that U-shaped intraductal working medium absorbs, thereby improves photo-thermal transformation efficiency, reduces system cost.But, by chilling shrink process, fitting tightly level on U-shaped pipe/vertically place fin, horizontally disposed fin thermal expansion is large to the destruction of vacuum tube; The damage of the fin line up seal of vertical display is large, and production and processing cost is high, and difficulty is large, reliability shortcoming.
Utility model content
For above-mentioned weak point of the prior art, the purpose of this utility model be intended to provide a kind of simple in structure, photo-thermal transformation efficiency is high, the heat that can efficiently solar energy be provided is drawn out by vapour, liquid, semi-solid fluid, working pressure is in 1.6MPa, and temperature is at the solar energy vacuum tube below 200 ℃.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of solar energy vacuum tube, it comprises support, on described support, be provided with mouth of pipe vacuum tube down, in described vacuum tube, be provided with U-shaped pipe, described vacuum tube mouth of pipe place is provided with seal, U-shaped pipe in vacuum tube goes out to be provided with fixture near bend pipe, on U-shaped pipe between described fixture and seal, be provided with heat dump, the cross section of described heat dump is two E shape structures, on described U-shaped pipe, be also provided with pump, described pump is arranged at the feed end of U-shaped pipe, the feed end of described U-shaped pipe and discharge end are provided with dilation connect device.
Preferably, the structure of described heat dump can also be S shape structure.
Preferably, described heat dump can also be arranged on U-shaped pipe in the shape of a spiral.
Preferably, described spiral helicine heat dump is in series by some little assemblies.
Preferably, described vacuum tube and ground angle are between 2 ° to 178 °.
Wherein, heat dump processing mode is stample fiber, glass-vacuum tube, GB pressure-bearing metal pipe, sheet metal that the utility model utilizes family to use, and seals etc. are made processing; The heat efficiently solar energy being provided is drawn out by vapour, liquid, semi-solid fluid, and working pressure is in 1.6MPa, and temperature is below 200 ℃.Pressure 1.6MPa is following, 200 ℃ of temperature are with interior middle low-temperature solar energy clean energy resource, and for auxiliary or alternative Industrial Boiler, civilian heater, heating object is liquid, gas and fluid that can be mobile.
Compared with prior art, of the present utility model have an effect to be:
The utility model is simple in structure, easy to use, cheap, and thermal conversion efficiency is high, and the angle on vacuum tube and ground, between 2 ° to 178 °, can effectively improve photo-thermal transformation efficiency, can reduce to greatest extent thermal loss; Selection is home-use vacuum tube, and cost is low is beneficial to popularization; The heat dump of the stample fiber of U-shaped metal tube and E type, S shape or other form uses GB metal material, and purchase cost is low, and processing is simple.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the utility model solar energy vacuum tube heat collector;
Fig. 2 is the single vacuum tube structure schematic diagram of Fig. 1;
Fig. 3 is the heat collector plan structure schematic diagram of Fig. 2;
Fig. 4 is the heat collector molding structure schematic diagram of Fig. 3;
Fig. 5 is the heat collector deployed configuration schematic diagram of Fig. 4;
Fig. 6 is another embodiment structural representation of Fig. 2;
Fig. 7 is the heat collector molding structure schematic diagram of Fig. 6;
Fig. 8 is the heat collector deployed configuration schematic diagram of Fig. 7;
Fig. 9 is another embodiment structural representation of Fig. 2;
Figure 10 is the heat collector deployed configuration schematic diagram of Fig. 9;
Wherein: 1 vacuum tube; 2 U-shaped pipes; 3 heat dumps; 4 fixtures; 5 seals; 6 fixed supports; 7 pumps; 8 dilation connect devices.
The specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of solar energy vacuum tube, comprise support 6, on support 6, be provided with mouth of pipe vacuum tube 1 down, in vacuum tube 1, be provided with U-shaped pipe 2, vacuum tube 1 mouth of pipe place is provided with seal 5, U-shaped pipe 2 in vacuum tube 1 goes out to be provided with fixture 4 near bend pipe, on U-shaped pipe 2 between fixture 4 and seal 5, be provided with heat dump 3, the cross section of heat dump 3 is two E shape structures, on U-shaped pipe 2, be also provided with pump 7, pump 7 is arranged at the feed end of U-shaped pipe 2, and the feed end of U-shaped pipe 2 and discharge end are provided with dilation connect device 8.Wherein, vacuum tube 1 and ground angle are between 2 ° to 178 °.
As shown in Figure 1, Figure 2, shown in Fig. 6, Fig. 7, Fig. 8, a kind of solar energy vacuum tube, comprise support 6, on support 6, be provided with mouth of pipe vacuum tube 1 down, in vacuum tube 1, be provided with U-shaped pipe 2, vacuum tube 1 mouth of pipe place is provided with seal 5, U-shaped pipe 2 in vacuum tube 1 goes out to be provided with fixture 4 near bend pipe, on U-shaped pipe 2 between fixture 4 and seal 5, be provided with heat dump 3, the structure S shape structure of heat dump 3, on U-shaped pipe 2, be also provided with pump 7, pump 7 is arranged at the feed end of U-shaped pipe 2, and the feed end of U-shaped pipe 2 and discharge end are provided with dilation connect device 8.Wherein, vacuum tube 1 and ground angle are between 2 ° to 178 °.
As Fig. 1, Fig. 2, Fig. 9, shown in Figure 10, a kind of solar energy vacuum tube, comprise support 6, on support 6, be provided with mouth of pipe vacuum tube 1 down, in vacuum tube 1, be provided with U-shaped pipe 2, vacuum tube 1 mouth of pipe place is provided with seal 5, U-shaped pipe 2 in vacuum tube 1 goes out to be provided with fixture 4 near bend pipe, on U-shaped pipe 2 between fixture 4 and seal 5, be provided with heat dump 3, heat dump 3 is arranged on U-shaped pipe 2 in the shape of a spiral, spiral helicine heat absorption 3 is in series by some little assemblies, on U-shaped pipe 2, be also provided with pump 7, pump 7 is arranged at the feed end of U-shaped pipe 2, the feed end of U-shaped pipe 2 and discharge end are provided with dilation connect device 8.Wherein, vacuum tube 1 and ground angle are between 2 ° to 178 °.
The two ends of U-shaped pipe 2 are located at outside vacuum tube 1, the end of two adjacent U-shaped pipes 2 interconnects, so as shown in Figure 1, several vacuum tubes 1 are just arranged in series and become vacuum tube solar hot water heat collector, many solar vacuum-tube water heat collectors can further adopt the mode of series and parallel as requested, realize an efficient solar vacuum-tube water heat collector hot-water heating system, need to for the hot water of life, production.
The present invention, by increase the mode of heat dump 3 on U-shaped pipe 2, has increased the exchange heat area of U-shaped pipe 2 and external high temperature environment, increases the heat that the interior working medium of U-shaped pipe 2 absorbs, and efficiency is than finned U-shaped pipe 2 height.Solar vacuum-tube water heat collector collecting efficiency is high, η >=95%, and technology maturation, cost is lower; Applied widely, particularly in the abundant area of solar energy resources, will be more practical.
Claims (5)
1. a solar energy vacuum tube, it is characterized in that: comprise support, on described support, be provided with mouth of pipe vacuum tube down, in described vacuum tube, be provided with U-shaped pipe, described vacuum tube mouth of pipe place is provided with seal, U-shaped pipe in vacuum tube goes out to be provided with fixture near bend pipe, on U-shaped pipe between described fixture and seal, be provided with heat dump, the cross section of described heat dump is two E shape structures, on described U-shaped pipe, be also provided with pump, described pump is arranged at the feed end of U-shaped pipe, and the feed end of described U-shaped pipe and discharge end are provided with dilation connect device.
2. a kind of solar energy vacuum tube according to claim 1, is characterized in that: the structure of described heat dump can also be S shape structure.
3. a kind of solar energy vacuum tube according to claim 1, is characterized in that: described heat dump can also be arranged on U-shaped pipe in the shape of a spiral.
4. a kind of solar energy vacuum tube according to claim 3, is characterized in that: described spiral helicine heat dump is in series by some little assemblies.
5. a kind of solar energy vacuum tube according to claim 1, is characterized in that: described vacuum tube and ground angle are between 2 ° to 178 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463827.1U CN204006754U (en) | 2014-08-18 | 2014-08-18 | A kind of solar energy vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463827.1U CN204006754U (en) | 2014-08-18 | 2014-08-18 | A kind of solar energy vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204006754U true CN204006754U (en) | 2014-12-10 |
Family
ID=52046747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463827.1U Active CN204006754U (en) | 2014-08-18 | 2014-08-18 | A kind of solar energy vacuum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204006754U (en) |
-
2014
- 2014-08-18 CN CN201420463827.1U patent/CN204006754U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |