CN201297787Y - Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube - Google Patents
Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube Download PDFInfo
- Publication number
- CN201297787Y CN201297787Y CNU200820041444XU CN200820041444U CN201297787Y CN 201297787 Y CN201297787 Y CN 201297787Y CN U200820041444X U CNU200820041444X U CN U200820041444XU CN 200820041444 U CN200820041444 U CN 200820041444U CN 201297787 Y CN201297787 Y CN 201297787Y
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- glass
- heat pipe
- explosion
- glass heat
- evaporator section
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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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- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses a light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube, which relates to the technical field of solar photothermal conversion elements. The solar heat-collecting tube comprises an outer glass tube and a glass thermotube; wherein, the glass thermotube, in which working medium is filled, comprises a condensing section and an evaporating section; the evaporating section of the glass thermotube is sealed in the outer glass tube; the solar heat-collecting tube is characterized in that the outer diameter of the evaporating section of the glass thermotube is one sixth to one half the inner diameter of the outer glass tube; and a reflecting part is arranged between the outer glass tube and the evaporating section of the glass thermotube. The utility model can sufficiently utilize the reflected sun light to obtain high outputted temperature and heat efficiency. The design of the thin evaporating section of the glass thermotube can accelerate the transfer of heat, moreover, due to the design of the thin evaporating section of the glass thermotube, enough compressive strength can be guaranteed without increasing the wall thickness, consequently, while the use safety is effectively guaranteed, material can be saved, and the heat transfer rate and the heat transfer efficiency can be increased. The utility model can be widely applied in fields related to solar heating, refrigeration, seawater desalination and the like.
Description
Technical field
The utility model relates to the technical field of solar energy thermal conversion element.
Background technology
The solar energy hot device that utilizes the solar energy optical-thermal transfer principle to make has been extended to technical fields such as hot water engineering and desalinization in recent years from family expenses.But, because the glass heat pipe and the glass outer outer concentric tube that are used to transmit heat in the existing full glass heat pipe type solar heat collector, in order to increase the irradiated area of accepting illumination, people increase the diameter of glass heat pipe as much as possible, so that the wall thickness of glass heat pipe must corresponding thickening could guarantee enough compressive resistances, volume that also must corresponding increase working medium simultaneously, not only waste material but also reduce heat transfer rate and heat transfer efficiency.
The utility model content
The utility model purpose is to design and a kind ofly need not to thicken glass tube walls, just can absorb in large quantities by little caliber that to transform luminous energy be the explosion-proof full glass heat pipe type solar heat collection pipe of optically focused of heat energy.
The utility model comprises glass heat pipe glass outer tube and built-in working medium, that be made up of condensation segment and evaporator section, the evaporator section sealing-in of described glass heat pipe is in the glass outer tube, the external diameter that it is characterized in that described glass heat pipe evaporator section is 1/6～1/2 of a glass outer tube diameter, between glass outer tube and glass heat pipe evaporator section reflecting element is set.
The utility model is used nonimaging optically focused, need not to follow the tracks of the sun and can realize spotlight effect.In order to ensure preferable spotlight effect, the external diameter of inner glass tube of the present utility model is not less than 1/6 of outer glass pipe external diameter.For reach bigger optically focused than and reduce heat transfer medium in the inner glass tube, obtain higher output temperature, heat transfer rate and heat transfer efficiency, the external diameter of inner glass tube of the present utility model is not more than 1/2 of outer glass pipe external diameter.
The utility model can make full use of the reverberation of the sun under the effect of reflecting element, obtain the higher output temperature and the thermal efficiency thus.Thin type glass heat pipe evaporator section by above design, not only can accelerate the transmission of heat, and because the design of thin type glass heat pipe evaporator section, wall thickness need not be thickeied and just enough compressive resistances can be guaranteed, safety in utilization ensures to get effectively, save material simultaneously, improved output temperature, heat transfer rate and heat transfer efficiency, can be widely used in the association areas such as solar energy hot, refrigeration, desalinization.
The external diameter of the utility model glass heat pipe evaporator section is that 1/3 of glass outer tube diameter is better selection, and existing preferable spotlight effect has bigger optically focused ratio and less heat transfer medium again, obtains higher output temperature, heat transfer rate and heat transfer efficiency.
In order to realize preferable spotlight effect, glass heat pipe evaporator section arranged off-centre described in the utility model is in the glass outer tube.
In addition, the condensation segment internal diameter of glass heat pipe described in the utility model can increase heat exchange area greater than the evaporator section internal diameter, improves the heat transfer rate and the heat transfer efficiency of heat.
Because after the above-mentioned design, the evaporator section of glass heat pipe arranged off-centre easily and more can be beneficial to connection easily with the condensation segment and glass outer concentric tube layout of described glass heat pipe on condensation segment.
Produce for convenience, reflecting element of the present utility model is a reflectance coating, can be set directly at the inner surface of glass outer tube.
Reflecting element of the present utility model also can be reflecting plate, is arranged in the cavity between glass outer tube and the glass heat pipe evaporator section.
In order to improve reflecting effect, the reflecting surface of the cross section of described reflecting plate is ω shape.
For fear of thermal contact conductance, the minimum range between the outer surface of the crosspoint, center of described ω shape and the evaporator section of glass heat pipe is 1～10mm.
In order to realize preferable spotlight effect, ω shape described in the utility model can be two circle involutes of basic circle for the outer surface with the evaporator section of glass heat pipe, also can be the double-paraboloid line, also can be for the inboard is a parabola for two circle involutes, the outside, can also be for forming by three sections different parabolas.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the left lateral view of Fig. 1.
Fig. 3 is the A-A sectional drawing of Fig. 1.
Fig. 4 is an another kind of structural representation of the present utility model.
Fig. 5 is the left lateral view of Fig. 4.
Fig. 6 is the B-B sectional drawing of Fig. 4.
Fig. 7 is the another kind of B-B sectional drawing of Fig. 4.
Fig. 8 is a kind of structural representation of reflecting plate.
Fig. 9 is second kind of structural representation of reflecting plate.
Figure 10 is the third structural representation of reflecting plate.
Figure 11 is the 4th a kind of structural representation of reflecting plate.
The specific embodiment
As shown in Figure 1, 2, 3, the utility model mainly is made up of glass outer tube 1, glass heat pipe 2 and reflecting plate 3, glass heat pipe 2 built-in working medium, and be divided into condensation segment 2-1 and evaporator section 2-2, and evaporator section 2-2 outer surface is coated with the heat absorption rete.
Condensation segment 2-1 and evaporator section 2-2 are isometrical, and mutual arranged off-centre.The external diameter of glass heat pipe 2 is 1/6～1/2 of glass outer tube 1 internal diameter, is 1/3 among this figure.The evaporator section 2-2 sealing-in prejudicially of glass heat pipe 2 is in glass outer tube 1.
The reflecting surface of the cross section of reflecting plate 3 is ω shape, be arranged in the cavity between the evaporator section 2-2 of glass outer tube 1 and glass heat pipe 2, and to make the minimum range σ between the outer surface of evaporator section of the crosspoint, center of ω shape reflecting plate and glass heat pipe is 1～10mm.
Shown in Fig. 4,5,6, the utility model mainly is made up of glass outer tube 1, glass heat pipe 2 and reflecting plate 3, glass heat pipe 2 built-in working medium, and be divided into condensation segment 2-1 and evaporator section 2-2, and evaporator section 2-2 outer surface is coated with the heat absorption rete.
Condensation segment 2-1 internal diameter greater than with evaporator section 2-2 internal diameter, and evaporator section 2-2 is eccentric in condensation segment 2-1 and arranges.The external diameter of glass heat pipe 2 evaporator section 2-2 is 1/3 of glass outer tube 1 internal diameter, and condensation segment 2-1 external diameter is slightly less than glass outer tube 1 internal diameter.The concentric sealing-in of condensation segment 2-1 of glass heat pipe 2 is in glass outer tube 1 upper end, and the evaporator section 2-2 of glass heat pipe 2 is arranged in the glass outer tube 1 prejudicially.
The reflecting surface of the cross section of reflecting plate 3 is ω shape, be arranged in the cavity between the evaporator section 2-2 of glass outer tube 1 and glass heat pipe 2, and to make the minimum range σ between the outer surface of evaporator section of the crosspoint, center of ω shape and glass heat pipe is 1～10mm.
As shown in Figure 7, reflectance coating 3 ' the be fixedly connected on inner surface of glass outer tube 1, reflectance coating 3 ' can be to aluminize or silver coating.
As shown in Figure 8, the ω shape of the reflecting surface of reflecting plate is two circle involutes of basic circle for the outer surface with the evaporator section of glass heat pipe.
As shown in Figure 9, the ω shape of the reflecting surface of reflecting plate is the double-paraboloid line.
As shown in figure 10, the ω shape of the reflecting surface of reflecting plate is that the inboard is two circle involutes outside, at two continuous parabolas of outside difference of two circle involutes.
As shown in figure 11, the ω shape of the reflecting surface of reflecting plate is a symmetric figure, and every side is made up of three sections different parabolas.
Claims (10)
1, the explosion-proof full glass heat pipe type solar heat collection pipe of optically focused, comprise glass heat pipe glass outer tube and built-in working medium, that form by condensation segment and evaporator section, the evaporator section sealing-in of described glass heat pipe is in the glass outer tube, the external diameter that it is characterized in that described glass heat pipe evaporator section is 1/6～1/2 of a glass outer tube diameter, between glass outer tube and glass heat pipe evaporator section reflecting element is set.
2, according to the explosion-proof full glass heat pipe type solar heat collection pipe of the described optically focused of claim 1, the external diameter that it is characterized in that the glass heat pipe evaporator section is 1/3 of a glass outer tube diameter.
3,, it is characterized in that described glass heat pipe evaporator section arranged off-centre is in the glass outer tube according to the explosion-proof full glass heat pipe type solar heat collection pipe of the described optically focused of claim 1.
4, according to the explosion-proof full glass heat pipe type solar heat collection pipe of the described optically focused of claim 1, the condensation segment internal diameter that it is characterized in that described glass heat pipe is greater than the evaporator section internal diameter.
5,, it is characterized in that the condensation segment and the glass outer concentric tube layout of described glass heat pipe according to the explosion-proof full glass heat pipe type solar heat collection pipe of the described optically focused of claim 4.
6, according to claim 1 or 2 or 3 or the 4 or 5 explosion-proof full glass heat pipe type solar heat collection pipes of described optically focused, it is characterized in that described reflecting element is a reflectance coating, is arranged on the inner surface of glass outer tube.
7, according to claim 1 or 2 or 3 or the 4 or 5 explosion-proof full glass heat pipe type solar heat collection pipes of described optically focused, it is characterized in that described reflecting element is a reflecting plate, be arranged in the cavity between glass outer tube and the glass heat pipe evaporator section.
8,, it is characterized in that the reflecting surface of the cross section of described reflecting plate is ω shape according to the explosion-proof full glass heat pipe type solar heat collection pipe of the described optically focused of claim 7.
9, the explosion-proof full glass heat pipe type solar heat collection pipe of described according to Claim 8 optically focused is characterized in that the minimum range between the outer surface of evaporator section of the crosspoint, center of described ω shape and glass heat pipe is 1～10mm.
10, according to Claim 8 or the explosion-proof full glass heat pipe type solar heat collection pipe of 9 described optically focused, it is characterized in that described ω shape is two circle involutes of basic circle for the outer surface with the evaporator section of glass heat pipe, or double-paraboloid line, or the inboard is parabola, or is made up of three sections different parabolas for two circle involutes, the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041444XU CN201297787Y (en) | 2008-08-27 | 2008-08-27 | Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041444XU CN201297787Y (en) | 2008-08-27 | 2008-08-27 | Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube |
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| Publication Number | Publication Date |
|---|---|
| CN201297787Y true CN201297787Y (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820041444XU Expired - Fee Related CN201297787Y (en) | 2008-08-27 | 2008-08-27 | Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube |
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| Country | Link |
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| CN (1) | CN201297787Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306811A (en) * | 2020-02-26 | 2020-06-19 | 东南大学 | All-glass heat pipe type vacuum heat collecting pipe with CPC condenser |
-
2008
- 2008-08-27 CN CNU200820041444XU patent/CN201297787Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306811A (en) * | 2020-02-26 | 2020-06-19 | 东南大学 | All-glass heat pipe type vacuum heat collecting pipe with CPC condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei Huayang Group Assignor: Huang Yongding Contract fulfillment period: 2009.12.3 to 2018.8.26 Contract record no.: 2009420000143 Denomination of utility model: Light-concentration explosion-proof full glass heat pipe type solar heat collection pipe Granted publication date: 20090826 License type: Exclusive license Record date: 20091207 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.3 TO 2018.8.26; CHANGE OF CONTRACT Name of requester: HUBEI HUAYANG SOLAR ENERGY GROUP CO.,LTD. Effective date: 20091207 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hubei Huayang Group Assignor: Huang Yongding Contract record no.: 2009420000143 Date of cancellation: 20120308 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUANG YONGNIAN Assignor: Huang Yongding Contract record no.: 2013320000530 Denomination of utility model: Light-condensing explosion-proof full-glass thermotube type solar heat-collecting tube Granted publication date: 20090826 License type: Exclusive License Record date: 20130608 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |