CN2725804Y - Solar glass vacuum heat collecting pipe - Google Patents
Solar glass vacuum heat collecting pipe Download PDFInfo
- Publication number
- CN2725804Y CN2725804Y CNU2004200796802U CN200420079680U CN2725804Y CN 2725804 Y CN2725804 Y CN 2725804Y CN U2004200796802 U CNU2004200796802 U CN U2004200796802U CN 200420079680 U CN200420079680 U CN 200420079680U CN 2725804 Y CN2725804 Y CN 2725804Y
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- CN
- China
- Prior art keywords
- metal
- heat collecting
- vacuum heat
- pipe
- collecting tube
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses a solar glass vacuum heat collecting pipe, relating to the technique of solar heat utilization. The utility model comprises two transparent glass blank pipes which are mutually sheathed equidirectionally and the inner and the outer glass blank pipes are mutually welded with each other at the open ends of the two pipes, with a vacuum chamber arranged between the two glass blank pipes. A condensing reflecting piece with concave arc cross-section is arranged between the inner and the outer glass blank pipes while a metal pipe whose surface is provided with a solar energy heat absorption film is arranged in the inner glass blank pipe. The utility model is easy to be produced and processed actually and simultaneously, the bearing performance of the product is enhanced by means of the high intensity characteristic of metal. More important, a condensing reflecting piece with concave arc cross-section is provided not only to provide probability of making the most of light energy, but to enhance the energy flow density on the external surface of the inner glass blank pipe by means of the condensed light energy so that the delivery temperature of the medium in the metal pipe is higher than the delivery temperature of the existing heat collecting pipe, so the utility model provides solar energy wide with wide use space.
Description
Technical field
The utility model relates to solar energy utilization technique.
Background technology
The critical component that is applied at present the solar water heater field at large is an all-glass vacuum thermal-collecting tube, because this thermal-collecting tube is to be formed by connecting at common open end by inside and outside two glass blind pipes, and between two pipes, form vacuum chamber, outer surface at interior glass blind pipe is provided with solar energy decalescence films, heat transfer medium during use in interior glass blind pipe---water not only is unfavorable for improving thermal conversion rate, can not pressure-bearing, and can not export higher temperature, in addition, the pipe internal memory water yield is big, easily formation heat at night scatters and disappears, the available heat water use efficiency is lower, has influenced the further expansion of solar energy heat utilization field.Existing in the industry people is studying with metal tube and is replacing blind pipe in the glass, but because being tightly connected between metal and the glass is comparatively difficult, is difficult for introducing to the market.
The utility model content
The utility model purpose be to design a kind ofly can improve thermal conversion rate, realize pressure-bearing, the output temperature height, and the water amount is little, the output energy is than high solar glass vacuum heat collecting tube.
The utility model comprises two clear glass blind pipes of mutual socket in the same way, inside and outside two glass blind pipes are in the mutual welding of openend, and between two glass blind pipes, vacuum chamber is set, between inside and outside two glass blind pipes, the optically focused reflecting element that section is concave arc shape is set, in interior glass blind pipe metal tube is set, the metal tube outer surface is provided with solar energy decalescence films.
The utility model has been avoided being tightly connected between metal and the glass, be easy to actual production processing, simultaneously, utilize the high-strength characteristic of metal, improve the load performance of product, main is by the optically focused reflection that section is concave arc shape is set, the possibility that makes full use of luminous energy not only is provided, and, the energy-flux density of glass blind pipe extexine in the luminous energy of assembling can improve, make the output temperature height of the output temperature of medium in the metal tube,, heat as high temperature for solar energy provides usage space widely than other existing thermal-collecting tube, refrigeration, desalinization, heat generating etc.
In order to strengthen heat-insulating property, be connected the openend of glass blind pipe in elastic sealing element is arranged in by elastic sealing element between metal tube of the present utility model and the interior glass blind pipe.
Metal tube of the present utility model can be a helix tube; Also can at least two, per two metal tubes are formed a U-shaped pipe, and the outer wall of U-shaped pipe is provided with solar energy decalescence films.Also can connect metal fin outside metal tube, the outer surface of metal fin is provided with solar energy decalescence films, can further dwindle the metal tube diameter, further reduces the pipe internal memory water yield, to improve rate of thermal water utilization.
Metal tube in glass in the blind pipe also can be two, be made up of two concentric tubes of size, the big sleeve pipe of the metal of blind pipe inner bottom part is a cecum in glass, and the metal small casing is a straight pipe, two sleeve pipes are communicated with in the inner, outside the big sleeve pipe of metal solar energy decalescence films are set; Outside the big sleeve pipe of metal in interior glass blind pipe metal fin can be set, the surface of metal fin is provided with solar energy decalescence films, further dwindles the metal caliber.
Metal tube also can be three, the big sleeve pipe of metal, middle sleeve, three of small casings are nested with one heart, the big sleeve pipe of the metal of blind pipe inner bottom part is a cecum in glass, is tightly connected respectively in the middle sleeve end and the small casing end of same end, outside the big sleeve pipe of metal solar energy decalescence films is set.Make heat transfer medium in small casing and in the annular chamber that sleeve pipe, middle sleeve constitute greatly, can increase maximum directly heating surface area, can reduce the heat transfer medium storage again, avoided metal fin produce power relaxation phenomenon.
The glass blind pipe is eccentric in above-mentioned, produce for convenience, but also arranged concentric outside in the glass blind pipe.
For improving spotlight effect, the optically focused reflecting element has following several shape at least:
Described optically focused reflecting element takes the shape of the letter U; U-shaped can be parabolic segment; U-shaped also can be the combination of the arc section of some different radiis.
Described optically focused reflecting element is ω shape, is made up of left-right symmetry and two sections crossing concave arcs; Described concave arc can be connected to form for the arc section of multistage different radii; Described concave arc also can be a parabolic segment and arc section composition, and two arc sections intersect in the inboard, and two parabolic segments are connected to the both sides of two arc sections.
Described optically focused reflecting element is compound camber line shape, and this compound camber line shape is made up of three sections concave arcs, and middle one section is arc, and the concave arc section of both sides is symmetrically distributed, the both sides of arc in the middle of being connected to; The concave arc section of both sides can be respectively be connected to form by the arc section of multistage different radii; The concave arc section of both sides also can be made up of parabolic segment and arc respectively, and two arcs are connected to the inboard of two parabolic segments.
Description of drawings
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7, Fig. 9 are respectively several structural representation of the present utility model;
Fig. 6 is the A-A sectional drawing among Fig. 5;
Fig. 8 is the B-B sectional drawing among Fig. 7.
Specific embodiment
Among the figure, 1 is vacuum chamber, and 2 is interior glass blind pipe, and 3 is outer glass blind pipe, and 4 is metal fin, 5 is elastic sealing element, and 6 is metallic coil, and 7 is the optically focused reflecting element of concave arc shape, 8 metal U-shaped pipes, the big sleeve pipe of 9 metals, 10 metal small casings, 11 metal middle sleeves, 12 end caps (), 13 end caps (two).
As shown in Figure 1, transparent interior glass blind pipe 2 in the same way and concentric locking collar be connected in the transparent outer glass blind pipe 3, and in the mutual welding of openend, and vacuum chamber 1 is set between two glass blind pipes, between inside and outside two glass blind pipes 2 and 3, the optically focused reflecting element 7 that section is concave arc shape is set, in interior glass blind pipe 2, metallic coil 6 is set, the helix tube 6 outer metal fins 4 that connect, helix tube 6 outer surfaces and metal fin 4 surfaces are provided with solar energy decalescence films respectively.The outer end of metallic coil 6 is connected with interior glass blind pipe 2 by elastic sealing element 5, the openend of glass 2 in elastic sealing element 5 is arranged in.
As shown in Figure 2, a metal U-shaped pipe 8 that is connected into by two metal straight pipes is set in interior glass blind pipe 2, also can connects metal fin 4 outside the metal U-shaped pipe 8, metal U-shaped pipe 8 outer surfaces and metal fin 4 surfaces are provided with solar energy decalescence films respectively.Two outer ends of metal U-shaped pipe 8 are connected with interior glass blind pipe 2 by elastic sealing element 5.
As shown in Figure 3, a metal U-shaped pipe 8 of being made up of big sleeve pipe 9 of metal and metal small casing 10 is set in interior glass blind pipe 2, the big sleeve pipe 9 of the metal of blind pipe 2 inner bottom parts is a cecum in glass, metal small casing 10 is a straight pipe, two sleeve pipes are communicated with in the inner, outside the big sleeve pipe 9 of metal metal fin 4 can be set, the big sleeve pipe of metal 9 surfaces outer and metal fin 4 are provided with solar energy decalescence films respectively.
As shown in Figure 4, the big sleeve pipe 9 of metal, metal middle sleeve 11, metal small casing 10 3 are nested with by all means with one heart, the big sleeve pipe 9 of the metal of blind pipe 2 inner bottom parts is a cecum in glass, two identical ends of metal middle sleeve 11 and metal small casing 10 are tightly connected with ring-type end cap () 12, (two) 13 respectively, outside the big sleeve pipe 9 of metal solar energy decalescence films are set.
Shown in Fig. 5 and 6,7,8,9, transparent interior glass blind pipe 2 eccentric bushings are connected in the transparent outer glass blind pipe 3.
As shown in Figure 6, the optically focused reflecting element 7 of concave arc shape takes the shape of the letter U.U-shaped can be parabolic segment, and U-shaped also can be the combination of the arc section of some different radiis.
As shown in Figure 8, the optically focused reflecting element 7 of concave arc shape is ω shape, is made up of left-right symmetry and two sections crossing concave arcs.Concave arc can be connected to form for the arc section of multistage different radii, and concave arc also can be a parabolic segment and arc section composition, and two arc sections intersect in the inboard, and two parabolic segments are connected to the both sides of two arc sections.In this example, four metal tubes are set in the blind pipe 2 in glass, form a metal U-shaped pipe 8, also can outside metal U-shaped pipe 8, arrange metal fin 4 for per two.
As shown in Figure 9, the optically focused reflecting element 7 of concave arc shape is compound camber line shape, and this compound camber line shape is made up of three sections concave arcs, and middle one section is arc, and the concave arc section of both sides is symmetrically distributed, the both sides of arc in the middle of being connected to.The concave arc section of both sides can be respectively be connected to form by the arc section of multistage different radii, and the concave arc section of both sides also can be made up of parabolic segment and arc respectively, and two arcs are connected to the inboard of two parabolic segments.In this example, ten metal tubes are set in the blind pipe 2 in glass, they whenever form one group of metal U-shaped pipe 8 in twos, form five groups altogether.
Claims (18)
1, solar glass vacuum heat collecting tube, it is characterized in that comprising two clear glass blind pipes of mutual socket in the same way, inside and outside two glass blind pipes are in the mutual welding of openend, and between two glass blind pipes, vacuum chamber is set, between inside and outside two glass blind pipes, the optically focused reflecting element that section is concave arc shape is set, in interior glass blind pipe metal tube is set, the metal tube outer surface is provided with solar energy decalescence films.
2,, it is characterized in that being connected by elastic sealing element between metal tube and the interior glass blind pipe openend of glass blind pipe in elastic sealing element is arranged in according to the described solar glass vacuum heat collecting tube of claim 1.
3,, it is characterized in that described metal tube is a helix tube according to the described solar glass vacuum heat collecting tube of claim 1.
4, according to the described solar glass vacuum heat collecting tube of claim 1, it is characterized in that at least two of described metal tubes, per two metal tubes are formed a U-shaped pipe, and the outer wall of U-shaped pipe is provided with solar energy decalescence films.
5, according to claim 3 or 4 described solar glass vacuum heat collecting tubes, it is characterized in that metal tube connects metal fin outward, the surface of metal fin is provided with solar energy decalescence films.
6, according to the described solar glass vacuum heat collecting tube of claim 1, it is characterized in that described metal tube is two, form by two concentric tubes of size, the big sleeve pipe of the metal of blind pipe inner bottom part is a cecum in glass, the metal small casing is a straight pipe, two sleeve pipes are communicated with in the inner, outside the big sleeve pipe of metal solar energy decalescence films are set.
7, according to the described solar glass vacuum heat collecting tube of claim 6, it is characterized in that outside the big sleeve pipe of metal in interior glass blind pipe metal fin being set, the surface of metal fin is provided with solar energy decalescence films.
8, according to the described solar glass vacuum heat collecting tube of claim 1, it is characterized in that metal tube is three, the big sleeve pipe of metal, middle sleeve, three of small casings are nested with one heart, the big sleeve pipe of the metal of blind pipe inner bottom part is a cecum in glass, middle sleeve end and small casing end at same end are tightly connected respectively, outside the big sleeve pipe of metal solar energy decalescence films are set.
9, according to the described solar glass vacuum heat collecting tube of claim 1, glass blind pipe arranged concentric is outside in the glass blind pipe in it is characterized in that.
10,, it is characterized in that the section of optically focused reflecting element takes the shape of the letter U according to the described solar glass vacuum heat collecting tube of claim 1.
11,, it is characterized in that described U-shaped is a parabolic segment according to the described solar glass vacuum heat collecting tube of claim 10.
12,, it is characterized in that described U-shaped is the combination of the arc section of some different radiis according to the described solar glass vacuum heat collecting tube of claim 10.
13, according to the described solar glass vacuum heat collecting tube of claim 1, it is characterized in that the section of optically focused reflecting element is ω shape, form by left-right symmetry and two sections crossing concave arcs.
14,, it is characterized in that described concave arc is that the arc section of multistage different radii is connected to form according to the described solar glass vacuum heat collecting tube of claim 13.
15, according to the described solar glass vacuum heat collecting tube of claim 13, it is characterized in that described concave arc is that a parabolic segment and an arc section are formed, two arc sections intersect in the inboard, and two parabolic segments are connected to the both sides of two arc sections.
16, according to the described solar glass vacuum heat collecting tube of claim 1, the section that it is characterized in that the optically focused reflecting element is compound camber line shape, and this compound camber line shape is made up of three sections concave arcs, and middle one section is arc, the concave arc section of both sides is symmetrically distributed, the both sides of arc in the middle of being connected to.
17,, it is characterized in that the concave arc section of both sides is connected to form by the arc section of multistage different radii respectively according to the described solar glass vacuum heat collecting tube of claim 16.
18, according to the described solar glass vacuum heat collecting tube of claim 16, it is characterized in that the concave arc section of both sides is made up of parabolic segment and arc respectively, two arcs are connected to the inboard of two parabolic segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200796802U CN2725804Y (en) | 2004-09-15 | 2004-09-15 | Solar glass vacuum heat collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200796802U CN2725804Y (en) | 2004-09-15 | 2004-09-15 | Solar glass vacuum heat collecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2725804Y true CN2725804Y (en) | 2005-09-14 |
Family
ID=35040520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200796802U Expired - Fee Related CN2725804Y (en) | 2004-09-15 | 2004-09-15 | Solar glass vacuum heat collecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2725804Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046331B (en) * | 2006-03-31 | 2010-05-12 | 黄金伦 | Solar heat collecting pipe with comb-shaped cross section and spiral flow channel |
| CN103105005A (en) * | 2011-11-15 | 2013-05-15 | 洛阳维琦太阳能技术有限公司 | Solar energy heat collecting pipe |
| CN103528250A (en) * | 2013-10-15 | 2014-01-22 | 张其明 | Fresnel lens core pipe |
| CN106500365A (en) * | 2016-09-28 | 2017-03-15 | 李渊 | A kind of high-temperature heat-collection pipe and solar energy heat collector |
| CN111006408A (en) * | 2019-12-26 | 2020-04-14 | 真木农业设备（安徽）有限公司 | Arrange no water tank solar collector in balcony |
| CN111189234A (en) * | 2019-12-26 | 2020-05-22 | 真木农业设备（安徽）有限公司 | Solar water heater without water tank |
-
2004
- 2004-09-15 CN CNU2004200796802U patent/CN2725804Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046331B (en) * | 2006-03-31 | 2010-05-12 | 黄金伦 | Solar heat collecting pipe with comb-shaped cross section and spiral flow channel |
| CN103105005A (en) * | 2011-11-15 | 2013-05-15 | 洛阳维琦太阳能技术有限公司 | Solar energy heat collecting pipe |
| CN103528250A (en) * | 2013-10-15 | 2014-01-22 | 张其明 | Fresnel lens core pipe |
| CN106500365A (en) * | 2016-09-28 | 2017-03-15 | 李渊 | A kind of high-temperature heat-collection pipe and solar energy heat collector |
| CN111006408A (en) * | 2019-12-26 | 2020-04-14 | 真木农业设备（安徽）有限公司 | Arrange no water tank solar collector in balcony |
| CN111189234A (en) * | 2019-12-26 | 2020-05-22 | 真木农业设备（安徽）有限公司 | Solar water heater without water tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20120915 |