CN208332714U - A kind of heat pipe type flat plate solar collector - Google Patents
A kind of heat pipe type flat plate solar collector Download PDFInfo
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- CN208332714U CN208332714U CN201820914338.1U CN201820914338U CN208332714U CN 208332714 U CN208332714 U CN 208332714U CN 201820914338 U CN201820914338 U CN 201820914338U CN 208332714 U CN208332714 U CN 208332714U
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- pipe
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- outer tube
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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
Abstract
The inside of external framework is arranged in a kind of heat pipe type flat plate solar collector disclosed by the utility model, including external framework, heat-absorbing plate core and transparent glass, heat-absorbing plate core, and the top of external framework is arranged in transparent glass；The heat-absorbing plate core is overall thermal cast heat-absorbing plate core, is made of cold fluid pass pipe, heat-transfer pipe, absorption film, collecting pipe and return pipe；Cold fluid pass pipe includes inner tube, outer tube and closure plate, and closure plate is welded between inner tube and outer tube；Heat-transfer pipe, absorption film, collecting pipe, return pipe and outer tube are aluminium, and heat-transfer pipe and return pipe are welded in parallel between outer tube and collecting pipe and form conduit assembly, and absorption film is welded on conduit assembly；Cooling medium is transmitted by the lower end of inner tube to upper end, and phase change medium is filled in conduit assembly.Technical solution provided by the utility model, it is structurally reasonable, solve that panel heat collecting system flow resistance is big, and the non-uniform problem of flow distribution improves the efficiency factor of heat collector, improves the effective rate of utilization of energy.
Description
Technical field
The utility model relates to a kind of tubular type collector more particularly to a kind of heat pipe type flat plate solar collectors.
Background technique
For flat plate collector due to collecting efficiency height, effective use energy is big and is widely used.However, flat plate collector
Using copper pipe as heat-absorbing material, weight is big, and cost is high, is difficult to always commonly used.
Core component in flat plate collector, by the absorber plate of blacking, using copper pipe as fluid channel, by laser welding,
The methods of Diffusion Welding composition.Method for laser welding between absorber plate and fluid channel tube, can be largely false with theory
If there are the air gaps between weld seam there are deviation, so that the thermal contact resistance that point contact is formed in structure is increased, to reduce
The efficiency factor of heat collector.
The branch pipe in parallel that the fluid channel of copper pipe form is formed, by the energy transmission obtained from heat-absorbent surface to branch pipe cold fluid
In medium.Enter fluid channel from main inlet tube since fluid channel has confluence, remittance and multichannel branch pipe, fluid media (medium), it must
So there are assignment of traffic uneven phenomenons, and the theoretical hypothesis of this phenomenon and the flow mean allocation in branch pipe exists very greatly partially
Difference is degrading the efficiency factor of heat collector again.
Cold fluid medium flows in multichannel branch pipe, and there are on-way resistances, and converges, imports the local resistance formed,
Total flow resistance is larger, directly influences the lift of pumping system and the shaft power of pump.
Absorbing pipe in existing flat plate collector, aluminium base absorber plate are one chip, are connected to using laser welding made of copper
On heat-transfer pipe, there are the air gaps, to increase the thermal contact resistance that point contact is formed in structure, influence heat-transfer effect heat collector
Efficiency factor is low.
Therefore, it needs to design a kind of heat pipe type flat plate solar collector, solves problems of the prior art.
Utility model content
The purpose of this utility model is heat pipe type flat plate solar collector provided by the utility model in view of the above technical problems,
Its is structurally reasonable, and using the phase-change heat transfer principle of evaporative condenser, heat is transmitted to cooling medium in a manner of " nearly zero thermal resistance "
In, solve that panel heat collecting system flow resistance is big, and the non-uniform problem of flow distribution improves the efficiency factor of heat collector,
Improve the effective rate of utilization of energy.
In order to solve the above technical problems, a kind of heat pipe type flat plate solar collector provided by the utility model, specifically includes outside
The inside of external framework is arranged in framework, heat-absorbing plate core and transparent glass, heat-absorbing plate core, and external framework is arranged in transparent glass
Top；The heat-absorbing plate core be overall thermal cast heat-absorbing plate core, by cold fluid pass pipe, heat-transfer pipe, absorption film, collecting pipe and
Return pipe composition；The cold fluid pass pipe includes inner tube, outer tube and closure plate, and closure plate is welded between inner tube and outer tube；It is described
Heat-transfer pipe, absorption film, collecting pipe, return pipe and outer tube are aluminium, and the heat-transfer pipe and return pipe are welded on outer tube in parallel and converge
Conduit assembly is formed between flow tube, the absorption film is welded on conduit assembly；Cooling medium is by the lower end of inner tube to upper end
Transmission, phase change medium are filled in conduit assembly.
In some embodiments, the absorption film is monoblock type indigo plant titanium film aluminium sheet, is welded on heat-transfer pipe and return pipe
Side.
In some embodiments, said inner tube is copper pipe, and the heat-transfer pipe, collecting pipe, return pipe and outer tube are aluminum pipe.
In some embodiments, the cold fluid pass pipe and collecting pipe are arranged in parallel, the heat-transfer pipe and reflux
Pipe and fluid channel tube vertical welding.
The utility model the utility model has the advantages that
A kind of heat pipe type flat plate solar collector provided by the utility model, it is structurally reasonable, it is passed using the phase transformation of evaporative condenser
Pyrogen reason, heat is transmitted in cooling medium in a manner of " nearly zero thermal resistance ", and it is big to solve panel heat collecting system flow resistance,
The non-uniform problem of flow distribution, improves the efficiency factor of heat collector, improves the effective rate of utilization of energy.Specific advantage is such as
Under:
(1) it selects using aluminum pipe as heat-transfer pipe, light-weight, price is low；
(2) by way of the unique aluminium weldering of the application, aluminum heat-transfer pipe and blue titanium film aluminium sheet absorption film are welded together,
The capacity of heat transmission is strengthened, the thermal contact resistance for overcoming the point contact formation of traditional structure is big, and the low drawback of heat-transfer effect in this way may be used
Thermal resistance is effectively reduced, thermal conversion efficiency is improved；
(3) absorption film is monoblock type indigo plant titanium film aluminium sheet, and integral solder covers all in the top of heat-transfer pipe and return pipe
Heat-transfer pipe and return pipe effectively prevent optical loss and heat in the spliced absorber plate structure of the monolithic on single heat transfer
Loss, improves the utilization rate of ability；
(4) heat-transfer pipe, collecting pipe, return pipe and outer tube are that aluminum pipe, the heat-transfer pipe and return pipe and fluid channel tube hang down
Straight welding, the application are welded using full aluminium, the leakproofness of system are effectively ensured, prevents thermal loss；
(5) cold fluid pass pipe uses copper aluminum composite pipes (inner tube material is aluminium for copper, outer tube material) and is situated between as cooling
The heat-transfer pipe of matter and phase change medium, cooling medium are transmitted by inner tube 1-1, and phase change medium fills flat in heat-transfer pipe 2 and return pipe 5
Row is welded in the conduit assembly formed between outer tube 1-2 and collecting pipe 4；Design scheme can guarantee cooling medium in copper in this way
It is flowed in the channel of structure, guarantees that conventional cooling medium (such as water) does not occur electrochemical reaction with aluminium medium and generates corrosion；
Meanwhile the wall surface contacted with phase change medium is aluminium material, carries out welding fabrication between convenient and other aluminium material pipes, is effectively ensured
The leakproofness of system, prevents thermal loss.
Detailed description of the invention
It will be apparent and more hold by made detailed description, the above-mentioned advantage of the utility model in conjunction with the following drawings
Readily understood, these attached drawings are only schematical, are not intended to limit the utility model, in which:
Fig. 1 is a kind of structural schematic diagram of heat pipe type flat plate solar collector described in the utility model；
Fig. 2 is the partial schematic diagram of the cold fluid pass pipe of the utility model.
1. cold fluid pass pipe, 1-1. inner tube, 1-2. outer tube, 1-3. closure plate；2. heat-transfer pipe；3. absorption film, 4. collecting pipes；
5. return pipe.
Specific embodiment
Fig. 1 to Fig. 2 is a kind of heat pipe type flat plate solar collector described in the utility model, combined with specific embodiments below with it is attached
Figure, is described in detail the application.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, phase
Same reference marker is for indicating identical part.
A kind of herein described heat pipe type flat plate solar collector specifically includes external framework, heat-absorbing plate core and transparent glass, inhales
The inside of external framework is arranged in hot plate core, and the top of external framework is arranged in transparent glass.The heat-absorbing plate core is overall thermal
Cast heat-absorbing plate core is made of cold fluid pass pipe 1, heat-transfer pipe 2, absorption film 3, collecting pipe 4 and return pipe 5, such as Fig. 1 institute
Show；The cold fluid pass pipe 1 includes inner tube 1-1, outer tube 1-2 and closure plate 1-3, and closure plate 1-3 is welded on inner tube 1-1 and outer tube 1-
Between 2, as shown in Figure 2；The heat-transfer pipe 2, absorption film 3, collecting pipe 4, return pipe 5 and outer tube 1-2 are aluminium, the heat-transfer pipe
2 and return pipe 5 be welded in parallel between outer tube 1-2 and collecting pipe 4 and form conduit assembly, the absorption film 3 is welded on pipeline group
On part；Cooling medium is transmitted by the lower end of inner tube 1-1 to upper end, and phase change medium is filled in conduit assembly.
In the application, the heat-transfer pipe 2, absorption film 3, collecting pipe 4, return pipe 5 and outer tube 1-2 are aluminium, and absorption film 3 is adopted
Thermally conductive, the aluminium welding method between heat-transfer pipe 2 and absorption film 3 is guaranteed using aluminium welding method with blue titanium film aluminium sheet specifically:
It is operated in 300 DEG C or so of heating of vacuum brazing furnace, to guarantee vacuum degree in 10Pa magnitude, solder melts, and it is cooling, complete aluminium
Welding between pipe and blue titanium film aluminium sheet；Aluminum pipe, blue titanium film aluminium sheet are welded together, the capacity of heat transmission is strengthened, overcomes biography
The thermal contact resistance that the point contact for structure of uniting is formed is big, the low drawback of heat-transfer effect, and thermal resistance can be effectively reduced in this way, improves heat and turns
Change efficiency.Meanwhile the heat-transfer pipe 2, collecting pipe 4, return pipe 5 and outer tube 1-2 are aluminum pipe, the heat-transfer pipe 2 and return pipe 5 with
1 vertical welding of fluid channel tube, the application are welded using full aluminium, the leakproofness of system are effectively ensured, prevents thermal loss.
In the embodiment shown in fig. 1, the absorption film 3 is monoblock type indigo plant titanium film aluminium sheet, integral solder in heat-transfer pipe 2 and
The top of return pipe 5 covers all heat-transfer pipe 2 and return pipe 5.In the application, absorption film 3 is overall structure, is effectively avoided
Optical loss and thermal loss in monolithic spliced absorber plate structure, improve the utilization rate of ability.
Said inner tube 1-1 is copper pipe, and the heat-transfer pipe 2, collecting pipe 4, return pipe 5 and outer tube 1-2 are aluminum pipe.The application
In, cold fluid pass pipe uses heat-transfer pipe of the copper aluminum composite pipes as cooling medium and phase change medium, and cooling medium passes through interior
Pipe 1-1 transmission, phase change medium are filled to be welded in parallel in heat-transfer pipe 2 and return pipe 5 and be formed between outer tube 1-2 and collecting pipe 4
In conduit assembly；Design scheme can guarantee that cooling medium flows in the channel of steel structure in this way, guarantee conventional cooling Jie
Matter (such as water) does not occur electrochemical reaction with aluminium medium and generates corrosion；Meanwhile the wall surface contacted with phase change medium is aluminium material,
Welding fabrication is carried out between convenient and other aluminium material pipes, the leakproofness of system is effectively ensured, prevents thermal loss.
In some embodiments, the cold fluid pass pipe 1 and collecting pipe 4 are arranged in parallel, the heat-transfer pipe 2 and return
Flow tube 5 and 1 vertical welding of fluid channel tube.Phase change medium fills in conduit assembly, and moves in circles in conduit assembly, benefit
With the phase-change heat transfer principle of evaporative condenser, heat is transmitted in cooling medium in a manner of " nearly zero thermal resistance ", solves plate
Collecting system flow resistance is big, and the non-uniform problem of flow distribution improves the efficiency factor of heat collector, and improve energy has
Imitate utilization rate.
Compared with prior art, a kind of heat pipe type flat plate solar collector provided by the utility model, it is structurally reasonable, utilize steaming
Heat is transmitted in cooling medium in a manner of " nearly zero thermal resistance ", solves flat heat collecting by the phase-change heat transfer principle for feeling cold solidifying
System flow resistance is big, and the non-uniform problem of flow distribution improves the efficiency factor of heat collector, improves effective benefit of energy
With rate.
The utility model is not limited to above embodiment, anyone can obtain other under the enlightenment of the utility model
Various forms of products, however, make any variation in its shape or structure, it is all with identical or similar to the present application
Technical solution, all fall within the protection scope of the utility model.
Claims (5)
1. a kind of heat pipe type flat plate solar collector, including external framework, heat-absorbing plate core and transparent glass, heat-absorbing plate core is arranged in outside
The top of external framework is arranged in the inside of framework, transparent glass；It is characterized in that, the heat-absorbing plate core is the suction of overall thermal cast
Hot plate core is made of cold fluid pass pipe (1), heat-transfer pipe (2), absorption film (3), collecting pipe (4) and return pipe (5)；It is described
Cold fluid pass pipe (1) includes inner tube (1-1), outer tube (1-2) and closure plate (1-3), closure plate (1-3) be welded on inner tube (1-1) with
Between outer tube (1-2)；The heat-transfer pipe (2), absorption film (3), collecting pipe (4), return pipe (5) and outer tube (1-2) are aluminium, institute
It states heat-transfer pipe (2) and return pipe (5) is welded in parallel between outer tube (1-2) and collecting pipe (4) and forms conduit assembly, outer tube (1-
2) it is connected by heat-transfer pipe (2) and return pipe (5) with collecting pipe (4), the absorption film (3) is welded on conduit assembly；It is cold
But medium is transmitted by inner tube (1-1), and phase change medium fills in conduit assembly.
2. heat pipe type flat plate solar collector according to claim 1, which is characterized in that the absorption film (3) is that monoblock type is blue
Titanium film aluminium sheet, integral solder cover all heat-transfer pipes (2) and return pipe in the top of heat-transfer pipe (2) and return pipe (5)
(5)。
3. heat pipe type flat plate solar collector according to claim 1, which is characterized in that said inner tube (1-1) is copper pipe, described
Heat-transfer pipe (2), collecting pipe (4), return pipe (5) and outer tube (1-2) are aluminum pipe.
4. heat pipe type flat plate solar collector according to claim 1, which is characterized in that the cold fluid pass pipe (1) and remittance
Flow tube (4) is arranged in parallel, the heat-transfer pipe (2) and return pipe (5) and cold fluid pass pipe (1) vertical welding.
5. heat pipe type flat plate solar collector according to claim 1 or 2, which is characterized in that absorption film (3) is welded on by aluminium
On conduit assembly, heat-transfer pipe (2) and return pipe (5) are welded between outer tube (1-2) and collecting pipe (4) by aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914338.1U CN208332714U (en) | 2018-06-13 | 2018-06-13 | A kind of heat pipe type flat plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914338.1U CN208332714U (en) | 2018-06-13 | 2018-06-13 | A kind of heat pipe type flat plate solar collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332714U true CN208332714U (en) | 2019-01-04 |
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ID=64770806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820914338.1U Active CN208332714U (en) | 2018-06-13 | 2018-06-13 | A kind of heat pipe type flat plate solar collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN208332714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592421A (en) * | 2018-06-13 | 2018-09-28 | 中国科学院工程热物理研究所 | A kind of heat pipe type flat plate solar collector |
-
2018
- 2018-06-13 CN CN201820914338.1U patent/CN208332714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592421A (en) * | 2018-06-13 | 2018-09-28 | 中国科学院工程热物理研究所 | A kind of heat pipe type flat plate solar collector |
| CN108592421B (en) * | 2018-06-13 | 2024-03-15 | 中国科学院工程热物理研究所 | Heat pipe type flat plate collector |
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