CN201355142Y - Heat pipe solar thermal-collecting tube - Google Patents
Heat pipe solar thermal-collecting tube Download PDFInfo
- Publication number
- CN201355142Y CN201355142Y CNU2009200373209U CN200920037320U CN201355142Y CN 201355142 Y CN201355142 Y CN 201355142Y CN U2009200373209 U CNU2009200373209 U CN U2009200373209U CN 200920037320 U CN200920037320 U CN 200920037320U CN 201355142 Y CN201355142 Y CN 201355142Y
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- outer tube
- glass outer
- pipe
- heat
- 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 - Lifetime
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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)
- Thermal Insulation (AREA)
Abstract
The utility model discloses a heat pipe solar thermal-collecting tube and is formed in the way that a heat pipe (1) is sealed with a glass outside pipe (2). A silicon oxide film layer (4) is arranged on the external wall of the glass outside pipe (1) for enhancing the absorption ratio of solar energy. The thermal-collecting tube has the advantages of simple structure, convenient manufacture, lower production cost, higher heat-absorbing efficiency and the like.
Description
Technical field
The utility model relates to a kind of heat pipe type solar heat collection pipe, belongs to solar utilization technique.
Background technology
Described heat pipe type solar heat collection pipe, be adopt existing common widespread usage in vacuum tube, attach working media, working media is being owed the gasification of being heated under the condition of normal pressure, and heating temperature is delivered to the heat output, to the heat pipe that existing material around the heat output heats, the solar energy heat collection pipe that constitutes with the glass tube sealed knot of its overcoat.Be referred to as two vacuum solar heat-collecting pipes in the industry.
Existing this class heat pipe type solar heat collection pipe, such as Chinese patent Granted publication CN128495c, CN2651670y, CN2932224y etc., it is reasonable inadequately all to exist structure, preparation technology's trouble, production cost have restricted the extensive use of this class thermal-collecting tube to a certain extent than the higher and high inadequately deficiency of heat absorption efficiency.
Summary of the invention
The utility model aims to provide a kind of simple in structure, and the hot pipe type solar heat collector that heat absorption efficiency is higher is to overcome the deficiency of prior art.
The utility model realizes that its purpose technical scheme is: a kind of heat pipe type solar heat collection pipe has working medium and the glass outer tube of the heat pipe that vacuumizes and following end closure in comprising; Described heat pipe is located in the glass outer tube, and the close layout of the sealing end of the lower end of heat pipe and glass outer tube, and the upper end of glass outer tube is stretched out on the top of heat pipe; The outer wall ring-type sealed knot of the upper end of glass outer tube and heat pipe, its innovative point is: the outer wall of glass outer tube is provided with the silica coating that is used for improving solar absorptance;
Can understand that by above given technical scheme the utility model is owing to the outer wall at the glass outer tube is provided with the SiO that is used for reducing the sunshine reflectivity
2Rete has effectively improved solar absorptance, thereby has realized the purpose of this utility model.
Further innovative point of the present utility model is:
Also be included in the adjacent position of sealing end and heat pipe bottom of glass outer tube, be provided with the support rim that is used for supporting heat pipe; The glass outer tube with the adjacent position of cylindrical, heat pipe lower end, are provided with 3 at least and are used for the braking boss of avoiding heat pipe to rock, and described 3 braking boss are arranged apart along the circumferencial direction of glass outer tube wall; Perhaps, be provided with elastic clamping pieces at the sealing end of the glass outer tube position adjacent with the heat pipe bottom.
The glass outer tube and heat pipe sealed knot position and heat pipe lower end between, also be provided with row at least by 3 supports along the circumferential direction arranged apart braking boss; Perhaps be provided with 1 elastic clamping pieces at least.This owing at the interlude position of heat pipe the braking of support boss or holder have been arranged, can effectively be avoided fractureing of heat pipe for than long the utility model, and the carrying and installation process also compares safety.Under long heat pipe condition, can establish 2 row or 2 row above support braking boss or holder, and under the short condition of heat pipe, can not establish and support braking boss or holder.
Between described heat pipe and the glass outer tube is vacuum.With its collecting efficiency of further raising.
In the glass outer tube, also be provided with getter.Its purpose is to keep the vacuum state between glass outer tube and the heat pipe, and this is good to its collecting efficiency of further raising.
The outer wall of heat pipe is provided with the titanium oxynitrides rete that is used for improving solar absorptance.With its collecting efficiency of further raising.Even and behind the glass outer tube damage, because the existence of titanium oxynitrides rete, the utility model also can operate as normal.
Described heat pipe is a glass tube, or stainless steel tube or copper pipe or aluminum pipe.If adopt the heat pipe of metal tube preparation, then described metal tube is a light-wall pipe.Owing to adopt the metal heat pipe, just can effectively avoid heat pipe damaged and improve its use value.
Under the condition that difference is big or the environment day and night temperature is big of the expansion and shrinkage value of described heat pipe and glass outer tube, described support rim, braking boss and support braking boss, and between heat pipe outer wall, leave and be used for avoiding to damage the gap of heat pipe or glass outer tube owing to expand with heat and contract with cold, perhaps at described support rim, braking boss and support braking boss, and between the heat pipe outer wall face, be respectively equipped with flexible component.The for example heat-resisting elastoplast of described flexible component can be circular.In process of production, described circular working of plastics is cut into a bit of, is enclosed within on the appropriate location of heat pipe, implement the hot spot of glass outer tube then and press, constitute described support rim, braking boss and support the braking boss, the structure of tackling mutually with working of plastics.
After technique scheme was implemented, what the utility model possessed was simple in structure, easily manufactured, and the lower and heat absorption efficiency of production cost is conspicuous than characteristics such as height.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of the utility model;
Fig. 2 is A-A, A '-A ' profile of Fig. 1.
The specific embodiment
Below contrast accompanying drawing, by the description of the specific embodiment, the utility model is described in further detail.
One of specific embodiment is shown in accompanying drawing 1,2.
A kind of heat pipe type solar heat collection pipe has working medium 8 and the glass outer tube 2 of the heat pipe that vacuumizes 1 and following end closure in comprising; Described heat pipe 1 is located in the glass outer tube 2, and the close layout of the sealing end of the lower end of heat pipe 1 and glass outer tube 2, and the upper end of glass outer tube 2 is stretched out on the top of heat pipe 1; The outer wall ring-type sealed knot of the upper end of glass outer tube 2 and heat pipe 1; And the outer wall of glass outer tube 2 is provided with the SiO that is used for improving solar absorptance
2Rete 4; The adjacent position of the sealing end of glass outer tube 2 and heat pipe 1 bottom is provided with the support rim 6 that is used for supporting heat pipe 1; Glass outer tube 2 with the adjacent position of heat pipe 1 lower end cylindrical, are provided with 3 and are used for the braking boss 5 of avoiding heat pipe 1 to rock, and described 3 braking boss 5 are separately evenly arranged along the circumferencial direction of glass outer tube 2 inwalls.Be positioned at glass outer tube 2 with heat pipe 1 sealed knot position, and between heat pipe 1 lower end, also be provided with row by 3 supports braking boss 10 along the circumferential direction evenly arranged apart.Between described heat pipe 1 and the glass outer tube 2 is vacuum.In glass outer tube 2, also be provided with getter 9.The outer wall of heat pipe 1 is provided with the titanium oxynitrides rete 3 that is used for improving solar absorptance.Described heat pipe 1 is a glass tube.Under the condition that difference is big or the environment day and night temperature is big of both expansion and shrinkage value of described heat pipe 1 and glass outer tube 1, described support rim 6, braking boss 5 and support braking boss 10, and between heat pipe 1 outer wall, leave and be used for avoiding owing to expand with heat and contract with cold and may damage the gap of heat pipe 1 or glass outer tube 2, described gap is≤0.8mm.
Two of the specific embodiment is shown in accompanying drawing 1,2.
A kind of heat pipe type solar heat collection pipe, its heat pipe 1 is the stainless steel tube of 0.6mm for wall thickness, and described heat pipe 1 adopts the lead sealing sealed knot with glass outer tube 2; Heat pipe 1 and described support rim 6, braking boss 5 and support on the outer wall that braking boss 10 tackles mutually are provided with elastic engineering plastics spare 11.The rete 4 on described outer tube 2 surfaces is silica dioxide coatings, and the rete 3 on heat pipe 1 surface is a titanium oxynitrides selective absorbing film coating.In addition, other is all as one of specific embodiment.
Three of the specific embodiment please be joined and be read accompanying drawing 1,2.
A kind of heat pipe type solar heat collection pipe at the adjacent position of glass outer tube 2 sealing ends and heat pipe 1 bottom, is provided with metallic elastic support member (not drawing among the figure) commonly used at present.Other all as one of specific embodiment or two.
The trial effect of the utility model first sample on solar water heater is extraordinary.
Claims (8)
1, a kind of heat pipe type solar heat collection pipe has working medium (8) and the heat pipe (1) that vacuumizes and the glass outer tube (2) of following end closure in comprising; Described heat pipe (1) is located in the glass outer tube (2), and the close layout of the sealing end of the lower end of heat pipe (1) and glass outer tube (2), and the upper end of glass outer tube (2) is stretched out on the top of heat pipe (1); The outer wall ring-type sealed knot of the upper end of glass outer tube (2) and heat pipe (1) is characterized in that: the outer wall of glass outer tube (2) is provided with the silica coating (4) that is used for improving solar absorptance.
2, heat pipe type solar heat collection pipe according to claim 1 is characterized in that, also is included in the adjacent position of sealing end and heat pipe (1) bottom of glass outer tube (2), is provided with the support rim (6) that is used for supporting heat pipe (1); Glass outer tube (2) with the adjacent position of cylindrical, heat pipe (1) lower end, are provided with 3 at least and are used for the braking boss (5) of avoiding heat pipe (1) to rock, and described 3 braking boss (5) are arranged apart along the circumferencial direction of glass outer tube (2) inwall; Perhaps, be provided with elastic clamping pieces at the adjacent position of sealing end and heat pipe (1) bottom of glass outer tube (2).
3, heat pipe type solar heat collection pipe according to claim 1, it is characterized in that, be positioned at glass outer tube (2) and heat pipe (1) sealed knot position and heat pipe (1) lower end between, also be provided with row at least by 3 supports braking boss (10) along the circumferential direction arranged apart; Perhaps be provided with 1 elastic clamping pieces at least.
4, heat pipe type solar heat collection pipe according to claim 1 is characterized in that, is vacuum between described heat pipe (1) and the glass outer tube (2).
5, heat pipe type solar heat collection pipe according to claim 4 is characterized in that, in glass outer tube (2), also is provided with getter (9).
6, heat pipe type solar heat collection pipe according to claim 1 is characterized in that, the outer wall of heat pipe (1) is provided with the titanium oxynitrides rete (3) that is used for improving solar absorptance.
7, heat pipe type solar heat collection pipe according to claim 1 is characterized in that, described heat pipe (1) is a glass tube, or stainless steel tube or copper pipe or aluminum pipe.
8, according to claim 2 or 3 described heat pipe type solar heat collection pipes, it is characterized in that, under the condition that difference is big or the environment day and night temperature is big of described heat pipe (1) and both expansion and shrinkage value of glass outer tube (1), described support rim (6), braking boss (5) and support braking boss (10), and between heat pipe (1) outer wall, leave and be used for avoiding to damage the gap of heat pipe (1) or glass outer tube (2) owing to expand with heat and contract with cold, perhaps in described support rim (6), braking boss (5) and support braking boss (10), and between heat pipe (1) outside wall surface, be respectively equipped with flexible component (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200373209U CN201355142Y (en) | 2009-01-21 | 2009-01-21 | Heat pipe solar thermal-collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200373209U CN201355142Y (en) | 2009-01-21 | 2009-01-21 | Heat pipe solar thermal-collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355142Y true CN201355142Y (en) | 2009-12-02 |
Family
ID=41411483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200373209U Expired - Lifetime CN201355142Y (en) | 2009-01-21 | 2009-01-21 | Heat pipe solar thermal-collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355142Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062487A (en) * | 2010-12-27 | 2011-05-18 | 武汉力诺太阳能集团股份有限公司 | Solar heat collector glass tube and manufacturing method thereof |
| CN103017365A (en) * | 2012-12-12 | 2013-04-03 | 海宁市超大集热管有限公司 | Anti-splashing full glass solar heat tube adopting silicon dioxide sand |
| CN103042769A (en) * | 2012-09-14 | 2013-04-17 | 泉耀新材料科技（苏州）有限公司 | Solar water heater glass coated by low refractive index TiO2 sol on the surface |
-
2009
- 2009-01-21 CN CNU2009200373209U patent/CN201355142Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062487A (en) * | 2010-12-27 | 2011-05-18 | 武汉力诺太阳能集团股份有限公司 | Solar heat collector glass tube and manufacturing method thereof |
| CN103042769A (en) * | 2012-09-14 | 2013-04-17 | 泉耀新材料科技（苏州）有限公司 | Solar water heater glass coated by low refractive index TiO2 sol on the surface |
| CN103042769B (en) * | 2012-09-14 | 2014-09-17 | 泉耀新材料科技（苏州）有限公司 | Solar water heater glass coated by low refractive index TiO2 sol on the surface |
| CN103017365A (en) * | 2012-12-12 | 2013-04-03 | 海宁市超大集热管有限公司 | Anti-splashing full glass solar heat tube adopting silicon dioxide sand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |
|
| CX01 | Expiry of patent term |