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CN201355142Y - Heat pipe solar heat collector - Google Patents

Heat pipe solar heat collector Download PDF

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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
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heat pipe
pipe
glass outer
outer tube
heat
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CNU2009200373209U
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夏建业
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    • 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
    • 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

本实用新型所公开的是一种热管式太阳能集热管，热管(1)与玻璃外管(2)封结构成，以其玻璃外管(1)的外壁上设有用来提高太阳能吸收率的二氧化硅膜层(4)。具有结构简单，制造方便，生产成本较低，吸热效率较高等特点。

Figure 200920037320

The utility model discloses a heat pipe type solar heat collecting pipe, the heat pipe (1) is sealed with a glass outer pipe (2), and the outer wall of the glass outer pipe (1) is provided with two holes for improving the solar energy absorption rate. Silicon oxide film layer (4). It has the characteristics of simple structure, convenient manufacture, low production cost, high heat absorption efficiency and the like.

Figure 200920037320

Description

Heat pipe type solar heat collection pipe
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、一种热管式太阳能集热管，包括内有工质(8)且抽真空的热管(1)和下端封口的玻璃外管(2)；所述热管(1)设在玻璃外管(2)内，且热管(1)的下端与玻璃外管(2)的封口端靠近布置，而热管(1)的上部伸出玻璃外管(2)的上端；玻璃外管(2)的上端与热管(1)的外壁环状封结，其特征在于：玻璃外管(2)的外壁上设有用来提高太阳能吸收率的二氧化硅膜层(4)。1, a kind of heat pipe type solar heat collector tube, comprise the glass outer tube (2) that working medium (8) and vacuumized heat pipe (1) and lower end sealing are arranged in the interior; Described heat pipe (1) is located at glass outer tube (2) ), and the lower end of the heat pipe (1) is arranged close to the sealing end of the glass outer tube (2), and the upper part of the heat pipe (1) protrudes from the upper end of the glass outer tube (2); the upper end of the glass outer tube (2) and The outer wall of the heat pipe (1) is annularly sealed, and is characterized in that: the outer wall of the glass outer tube (2) is provided with a silicon dioxide film layer (4) for improving the solar energy absorption rate. 2、根据权利要求1所述的热管式太阳能集热管，其特征在于，还包括在玻璃外管(2)的封口端与热管(1)底端相邻接的部位，设有用来支撑热管(1)的支撑凸台(6)；玻璃外管(2)的与热管(1)下端外圆相邻接的部位，至少设有3个用来避免热管(1)晃动的制动凸台(5)，且所述3个制动凸台(5)沿玻璃外管(2)内壁的圆周方向分开布置；或者在玻璃外管(2)的封口端与热管(1)底端相邻接的部位，设有弹性夹持件。2. The heat-pipe solar collector tube according to claim 1, characterized in that it also includes a position where the sealing end of the glass outer tube (2) is adjacent to the bottom end of the heat pipe (1), and is provided for supporting the heat pipe ( 1) the supporting boss (6); the part of the glass outer tube (2) adjacent to the outer circle of the lower end of the heat pipe (1) is provided with at least three braking bosses ( 5), and the three brake bosses (5) are arranged separately along the circumferential direction of the inner wall of the glass outer tube (2); or the sealing end of the glass outer tube (2) is adjacent to the bottom end of the heat pipe (1) The part is provided with an elastic clamping piece. 3、根据权利要求1所述的热管式太阳能集热管，其特征在于，位于玻璃外管(2)的与热管(1)封结部位与热管(1)下端之间，还至少设有一列由3个沿圆周方向分开布置的支撑制动凸台(10)；或者至少设有1个弹性夹持件。3. The heat pipe type solar heat collector according to claim 1, characterized in that it is located between the sealing part of the glass outer tube (2) and the heat pipe (1) and the lower end of the heat pipe (1), and at least one row is provided. Three supporting and braking bosses (10) arranged separately along the circumferential direction; or at least one elastic clamping piece is provided. 4、根据权利要求1所述的热管式太阳能集热管，其特征在于，所述热管(1)与玻璃外管(2)之间是真空的。4. The heat pipe type solar heat collection pipe according to claim 1, characterized in that there is a vacuum between the heat pipe (1) and the glass outer pipe (2). 5、根据权利要求4所述的热管式太阳能集热管，其特征在于，在玻璃外管(2)内，还设有吸气剂(9)。5. The heat pipe type solar heat collection tube according to claim 4, characterized in that a getter (9) is also provided inside the glass outer tube (2). 6、根据权利要求1所述的热管式太阳能集热管，其特征在于，热管(1)的外壁上设有用来提高太阳能吸收率的氮氧化钛膜层(3)。6. The heat pipe type solar heat collection pipe according to claim 1, characterized in that, the outer wall of the heat pipe (1) is provided with a titanium nitride oxide film (3) for improving the solar energy absorption rate. 7、根据权利要求1所述的热管式太阳能集热管，其特征在于，所述热管(1)是玻璃管，或者是不锈钢管或铜管或铝管。7. The heat pipe type solar heat collection pipe according to claim 1, characterized in that, the heat pipe (1) is a glass pipe, or a stainless steel pipe, a copper pipe or an aluminum pipe. 8、根据权利要求2或3所述的热管式太阳能集热管，其特征在于，当所述热管(1)与玻璃外管(1)两者的膨胀收缩值之差大或者环境昼夜温差大的条件下，所述支撑凸台(6)、制动凸台(5)和支撑制动凸台(10)，与热管(1)外壁间，留有用来避免由于热胀冷缩可能损伤热管(1)或玻璃外管(2)的间隙，或者在所述支撑凸台(6)、制动凸台(5)和支撑制动凸台(10)，与热管(1)外壁面之间，分别设有弹性材料件(11)。8. The heat pipe type solar heat collection pipe according to claim 2 or 3, characterized in that, when the difference between the expansion and contraction values of the heat pipe (1) and the glass outer pipe (1) is large or the ambient temperature difference between day and night is large Under conditions, between the support boss (6), brake boss (5) and support brake boss (10), and the outer wall of the heat pipe (1), there is a gap to avoid possible damage to the heat pipe due to thermal expansion and contraction ( 1) or the gap between the glass outer tube (2), or between the support boss (6), brake boss (5) and support brake boss (10), and the outer wall of the heat pipe (1), Elastic material pieces (11) are respectively provided.
CNU2009200373209U 2009-01-21 2009-01-21 Heat pipe solar heat collector Expired - Lifetime CN201355142Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20091202