CN203629103U - Solar vacuum tube - Google Patents
Solar vacuum tube Download PDFInfo
- Publication number
- CN203629103U CN203629103U CN201320867618.9U CN201320867618U CN203629103U CN 203629103 U CN203629103 U CN 203629103U CN 201320867618 U CN201320867618 U CN 201320867618U CN 203629103 U CN203629103 U CN 203629103U
- Authority
- CN
- China
- Prior art keywords
- tube
- wall
- outer tube
- inner tube
- solar energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model provides a solar vacuum tube. The solar vacuum tube comprises a two-layer tube structure formed by arranging an inner tube body in an outer tube body. The inner wall of the outer tube body is connected with the outer wall of the inner tube body through a sealing structure, and a vacuum cavity is formed among the inner wall of the outer tube body, the outer wall of the inner tube body and the sealing structure. Convex points are arranged on the peripheral surface of the outer tube body. The inner wall of the outer tube body is coated with a reflective film. A solar energy absorption layer and an anti-reflection coating are arranged on the peripheral surface of the inner wall of the inner tube body from inside to outside. The solar vacuum tube is simple in structure and convenient to manufacture, the heat collection efficiency of the vacuum tube is further improved, heating energy of water is increased, accordingly the heating speed of water in a water tank of the solar water heater is increased, and the heating efficiency is more obvious.
Description
Technical field
The utility model relates to a kind of solar energy equipment for generation of heat energy, relates more specifically to a kind of solar energy vacuum tube with efficient absorption solar energy.
Background technology
Solar energy vacuum tube is the main core component that solar thermal utilization gathers sunshine.Solar energy vacuum tube generally comprises glass outer tube and inner tube, on the outer wall of inner tube, is coated with coating for selective absorption, between inner and outer pipe interlayer by aspirating into high vacuum state.When sunshine is irradiated on the absorber coatings of inner tube by outer glass pipe, be converted to heat energy, the heat-transfer fluid in heating inner tube.The outer tube of common existing solar energy vacuum tube is transparent glass material, but the sunshine irradiating on inner pipe by outer tube only has 50% absorptivity, because always there is on inner pipe the shady face of half not have light to irradiate, in inner tube, the selection of coating also can affect the absorption to luminous energy in addition, the ability that has reduced thus inner tube absorption solar radiation, can not be fully played solar energy evacuated heat absorption efficiency.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of solar energy vacuum tube, comprise inner tube is configured in to the two-layer pipe that the inside of outer tube forms, the inwall of described outer tube is connected by hermetically-sealed construction with the outer wall of described inner tube, between described outer tube wall, described outer wall of inner tube and described hermetically-sealed construction, forms vacuum chamber; Wherein, described outer tube has translucidus, and its outer wall has the salient point of light-permeable along the outer peripheral face of light extension updrift side; Its inwall is coated with reflective membrane along part on the inner peripheral surface of light extension downstream direction; The outer peripheral face of described outer wall of inner tube is disposed with solar absorbing layer and antireflective film from inside to outside.
Preferably, between the above salient point of the outer peripheral face of described outer tube, be also provided with concave point, described salient point and concave point are uniformly distributed on described neighboring.
Preferably, the lowest part that described outer tube wall extends downstream direction along light arranges optical reflection part.
Preferably, described outer tube is glass outer tube, described in there is salient point the outer wall outer peripheral face ratio that accounts for described outer tube outer wall outer peripheral face be no less than 1/2; The ratio that described reflective membrane accounts for described outer tube wall inner peripheral surface is 1/3-1/2.
Preferably, described solar absorbing layer is carborundum-spodumene complex phase heat absorption pottery, and described antireflective film is SnO
2film.
Preferably, optical reflection part is square or curved reflector, and the convex surface of its right angle and arc is near described inner tube.
Preferably, described inner tube is metal inner pipe or glass inner tube.
Solar energy vacuum tube described in the utility model has the following advantages:
1, on described glass outer tube, be provided with salient point, can increase luminous energy receiving area, described salient point can play the effect of lens collected light simultaneously, increases the solar energy projecting in described inner tube, thereby lays the foundation for improving solar energy utilization ratio.
2, the reflective membrane on described inwall can arrive light reflection the back side of described inner tube, and the hot side of adopting that improves inner tube amasss, and improves the utilization rate to luminous energy, and arranging of described optical reflection part can effectively be reduced the area that does not receive light in described inner tube simultaneously.
3, the outer peripheral face of described inner tube is disposed with carborundum-spodumene complex phase heat absorption ceramic layer and antireflective film from inside to outside, described carborundum-spodumene complex phase heat absorption ceramic layer improves absorption and the utilization of described inner tube to luminous energy, described antireflective film can reduce the radiation of heat energy in described inner tube, reduce heat-energy losses, thereby improve the utilization rate to luminous energy.
Solar energy vacuum tube described in the utility model is simple in structure, easy to make,, further improve the Heat-collecting effect of vacuum tube, increase the heat energy of water, then improve the firing rate of water in solar water heater water tank, heating effect is more obvious.
Accompanying drawing explanation
Fig. 1 is the radially cross section structure schematic diagram of solar energy vacuum tube described in one of them embodiment of the utility model;
Fig. 2 is the schematic diagram of cross section structure vertically of solar energy vacuum tube described in one of them embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As shown in the figure, solar energy vacuum tube described in the utility model, comprise inner tube 1 is configured in to the two-layer pipe that the inside of outer tube 2 forms, the outer wall of the inwall of described outer tube 2 and described inner tube 1 is connected by hermetically-sealed construction 3, between described outer tube 2 inwalls, described inner tube 1 outer wall and described hermetically-sealed construction 3, forms vacuum chamber; Wherein, described outer tube 2 has translucidus, and its outer wall has the salient point 4 of light-permeable along the outer peripheral face of light extension updrift side; Between the above salient point 4 of the outer peripheral face of described outer tube 2, be also provided with concave point 7, described salient point 4 and concave point 7 are uniformly distributed on described neighboring.The inwall of described outer tube 2 is coated with reflective membrane 5 along part on the inner peripheral surface of light extension downstream direction; The lowest part that described outer tube 2 inwalls extend downstream direction along light arranges optical reflection part 6.Described outer tube 2 is glass outer tube, described in there is salient point 4 the outer wall outer peripheral face ratio that accounts for described outer tube 2 outer wall outer peripheral faces be no less than 1/2; The ratio that described reflective membrane 5 accounts for described outer tube wall inner peripheral surface is 1/3-1/2.Described optical reflection part 6 is square or curved reflector, and the convex surface of its right angle and arc is near described inner tube 1.
The outer peripheral face of described inner tube 1 outer wall has been disposed with solar absorbing layer 11 and antireflective film 12 from inside to outside.Described solar absorbing layer 11 is carborundum-spodumene complex phase heat absorption pottery, and described antireflective film 12 is SnO
2film.
Described inner tube 1 is metal inner pipe or glass inner tube.
Embodiment 1
As shown in Figure 1, solar energy vacuum tube described in the utility model, comprises inner tube 1 is configured in to the two-layer pipe that the inside of outer tube 2 forms, wherein said inner tube 1 is metal inner pipe; The outer peripheral face of described inner tube 1 outer wall has been disposed with solar absorbing layer 11 and antireflective film 12 from inside to outside.Described solar absorbing layer 11 is carborundum-spodumene complex phase heat absorption ceramic layer, and described antireflective film 12 is SnO
2film.
Described outer tube 2 is glass outer tube, the outer wall of the inwall of described outer tube 2 and described inner tube 1 is connected by hermetically-sealed construction 3, described hermetically-sealed construction 3 comprises the lid of obturaging, the described lid of obturaging is arranged between the inwall of wherein one end of described outer tube 2 and the outer wall of wherein one end of described inner tube 1, and described in obturage to cover between the inwall of described outer tube 2 and the outer wall of described inner tube 1 and form hermetic seal and be connected; Make to form vacuum chamber between described outer tube 2 inwalls, described inner tube 1 outer wall and described hermetically-sealed construction 3;
Wherein, described glass outer tube 2 has translucidus, and its outer wall has the salient point 4 of light-permeable along the outer peripheral face of light extension updrift side.The inwall of described outer tube 2 is coated with reflective membrane 5 along part on the inner peripheral surface of light extension downstream direction; The ratio that the described outer wall outer peripheral face with salient point 4 accounts for described outer tube 2 outer wall outer peripheral faces is no less than 1/2; The ratio that described reflective membrane accounts for described outer tube 2 inwall inner peripheral surfaces is 1/2.The lowest part that described outer tube 2 inwalls extend downstream direction along light arranges optical reflection part 6.Described optical reflection part 6 is square, and its top, right angle is near described inner tube 1.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in description and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (6)
1. a solar energy vacuum tube, it is characterized in that comprising inner tube is configured in to the two-layer pipe that the inside of outer tube forms, the inwall of described outer tube is connected by hermetically-sealed construction with the outer wall of described inner tube, between described outer tube wall, described outer wall of inner tube and described hermetically-sealed construction, forms vacuum chamber; Wherein, described outer tube has translucidus, and its outer wall has the salient point of light-permeable along the outer peripheral face of light extension updrift side; Its inwall is coated with reflective membrane along part on the inner peripheral surface of light extension downstream direction; The outer peripheral face of described outer wall of inner tube is disposed with solar absorbing layer and antireflective film from inside to outside.
2. solar energy vacuum tube as claimed in claim 1, is characterized in that, the lowest part that described outer tube wall extends downstream direction along light arranges optical reflection part.
3. solar energy vacuum tube as claimed in claim 1, is characterized in that, described outer tube is glass outer tube, described in there is salient point the outer wall outer peripheral face ratio that accounts for described outer tube outer wall outer peripheral face be no less than 1/2; The ratio that described reflective membrane accounts for described outer tube wall inner peripheral surface is 1/3-1/2.
4. solar energy vacuum tube as claimed in claim 1, is characterized in that, described solar absorbing layer is carborundum-spodumene complex phase heat absorption pottery, and described antireflective film is SnO
2film.
5. solar energy vacuum tube as claimed in claim 1, is characterized in that, optical reflection part is square or curved reflector, and the convex surface of its right angle and arc is near described inner tube.
6. solar energy vacuum tube as claimed in claim 1, is characterized in that, described inner tube is metal inner pipe or glass inner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867618.9U CN203629103U (en) | 2013-12-25 | 2013-12-25 | Solar vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867618.9U CN203629103U (en) | 2013-12-25 | 2013-12-25 | Solar vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629103U true CN203629103U (en) | 2014-06-04 |
Family
ID=50815571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867618.9U Expired - Fee Related CN203629103U (en) | 2013-12-25 | 2013-12-25 | Solar vacuum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727691A (en) * | 2013-12-25 | 2014-04-16 | 广西吉宽太阳能设备有限公司 | Solar vacuum tube |
| CN113522205A (en) * | 2021-08-03 | 2021-10-22 | 内蒙古子申企业管理有限公司 | Fertile device of agricultural new forms of energy gas |
-
2013
- 2013-12-25 CN CN201320867618.9U patent/CN203629103U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727691A (en) * | 2013-12-25 | 2014-04-16 | 广西吉宽太阳能设备有限公司 | Solar vacuum tube |
| CN113522205A (en) * | 2021-08-03 | 2021-10-22 | 内蒙古子申企业管理有限公司 | Fertile device of agricultural new forms of energy gas |
| CN113522205B (en) * | 2021-08-03 | 2022-05-31 | 内蒙古子申企业管理有限公司 | Fertile device of agricultural new forms of energy gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |