CN207230960U - Novel flat-plate solar thermal collector - Google Patents
Novel flat-plate solar thermal collector Download PDFInfo
- Publication number
- CN207230960U CN207230960U CN201720710441.XU CN201720710441U CN207230960U CN 207230960 U CN207230960 U CN 207230960U CN 201720710441 U CN201720710441 U CN 201720710441U CN 207230960 U CN207230960 U CN 207230960U
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- China
- Prior art keywords
- thermal
- collecting tube
- plate
- snakelike
- absorber plate
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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 utility model discloses novel flat-plate solar thermal collector, including housing, transparent cover plate, absorber plate and snakelike thermal-collecting tube, absorber plate and snakelike thermal-collecting tube are arranged in housing, and transparent cover plate is arranged on housing and is covered in the top position of absorber plate and snakelike thermal-collecting tube；Snakelike thermal-collecting tube includes rectilinear tubes and camber line pipe, is connected between the head and the tail of adjacent rectilinear tubes by camber line pipe；The cross section undulate structure of absorber plate, the circular in cross-section structure of snakelike thermal-collecting tube, snakelike thermal-collecting tube connect the lower surface of absorber plate by laser welding process, and the rectilinear tubes of snakelike thermal-collecting tube are attached in the arc-shaped tongue-and-groove of absorber plate.The utility model uses above structure, realize increase rectilinear tubes and the contact area of absorber plate, using the structure of laser welding process and heat-conducting glue, the thermal contact resistance of tube sheet can effectively be reduced, enable the heat that absorber plate absorbs preferably to pass to the working medium in snakelike thermal-collecting tube, reduce the thermal loss of the present embodiment.
Description
Technical field
It the utility model is related to solar energy equipment technology, and in particular to novel flat-plate solar thermal collector.
Background technology
Flat-plate solar collector is a kind of device for absorbing solar radiation energy and heat is transmitted to working medium, it is a kind of
Special heat exchanger, the working medium in heat collector carry out heat exchange with the remote sun.Novel flat-plate solar thermal collector is
Generally it is made of absorber plate, housing, transparent cover plate, thermal insulation material and related parts.In adjunction circulating line, attemperater
Afterwards, solar radiant heat can be absorbed by becoming, and raise water temperature.When flat-plate solar collector works, solar radiation passes through transparent
After cover board, it is incident upon on heat absorbing sheet, is absorbed by heat absorbing sheet and change into thermal energy conduction into thermal-collecting tube, make the heat transfer in thermal-collecting tube
Temperature of Working raises, and the useful energy as heat collector exports.
The shortcomings of current flat plate collector is not high there are solar energy utilization ratio, and heat is not concentrated, and heat loss is larger.
Utility model content
The purpose of this utility model is to provide novel flat-plate solar thermal collector, solves existing flat panel solar heat collecting
The problem of device solar energy utilization ratio is not high, and heat is not concentrated, and heat loss is larger.
To reach above-mentioned purpose, the utility model adopts the following technical solution：
Novel flat-plate solar thermal collector, including housing, transparent cover plate, absorber plate and snakelike thermal-collecting tube, absorber plate and snake
Shape thermal-collecting tube is arranged in housing, and transparent cover plate is arranged on housing and is covered in the top position of absorber plate and snakelike thermal-collecting tube；Snake
Shape thermal-collecting tube includes rectilinear tubes and camber line pipe, is connected between the head and the tail of adjacent rectilinear tubes by camber line pipe；The cross section of absorber plate
Undulate structure, the circular in cross-section structure of snakelike thermal-collecting tube, snakelike thermal-collecting tube is connected by laser welding process to absorb heat
The lower surface of plate, the rectilinear tubes of snakelike thermal-collecting tube are attached in the arc-shaped tongue-and-groove of absorber plate.
Further, the link position of the snakelike thermal-collecting tube and the absorber plate is equipped with heat-conducting glue.
Further, the snakelike thermal-collecting tube is using copper pipe structure made of copper product.
Further, the surface of the snakelike thermal-collecting tube is equipped with alumilite process coating.
Further, the transparent cover plate uses low iron ultrawhite woven design tempered glass, and transparent cover plate surface is coated with anti-reflection film,
Further, the spacing between the transparent cover plate and the absorber plate is greater than or equal to 25mm.
Further, the housing is using the once molding formed structure of aluminium alloy or carbon steel sheet.
Further, phenol formaldehyde foam thermal insulation layer is further included, phenol formaldehyde foam thermal insulation layer is attached at the inner surface of housing, and thickness is more than
35mm。
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model is attached at the structure in the arc-shaped tongue-and-groove of absorber plate using rectilinear tubes, realizes increase rectilinear tubes
With the contact area of absorber plate, using the structure of laser welding process and heat-conducting glue, the thermal contact resistance of tube sheet can be effectively reduced,
Enable the heat that absorber plate absorbs preferably to pass to the working medium in snakelike thermal-collecting tube, reduce the heat damage of the present embodiment
Lose.In addition collector need not be welded using snakelike thermal-collecting tube, reduce the possibility of leakage；The thermal efficiency is high, without with reference to thermal resistance；And
Water cleaning, copper pipe will not be corroded；Ensure quality, whole production process realizes mechanization；Voltage endurance capability is strong, and copper pipe can be held
By higher pressure.Using alumilite process coating, the performance such as anti-corrosion, wear-resisting and light shine is fairly good.
2nd, transparent cover plate using low iron ultrawhite woven design tempered glass and equipped with anti-reflection film structure so that transparent cover plate it is saturating
Light rate reaches more than 95%, adds the sunray for being projected into absorber plate, so that the sun spoke that absorber plate is absorbed to
Penetrating to increase, that is, add the present embodiment obtains heat.
3rd, phenol formaldehyde foam thermal insulation layer has similar heat-insulating property compared with polyurethane, but the operating temperature with higher,
It is and non-ignitable；Compared with rock wool：More preferable heat-insulating property, it is more totally, harmless.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the utility model novel flat-plate solar thermal collector, and embodiment faces schematic cross-section；
Fig. 2 is the schematic top plan view of Fig. 1.
In figure, 1- housings；2- transparent cover plates；3- absorber plates；The arc-shaped tongue-and-grooves of 31-；The snakelike thermal-collecting tubes of 4-；41- rectilinear tubes；
42- camber line pipes；5- phenol formaldehyde foam thermal insulation layers.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
The novel flat-plate solar thermal collector as shown in Fig. 1 to Fig. 2 embodiments, including housing 1, transparent cover plate 2, absorber plate 3
With snakelike thermal-collecting tube 4, absorber plate 3 and snakelike thermal-collecting tube 4 are arranged in housing 1, and transparent cover plate 2 is arranged on housing 1 and is covered in suction
The top position of hot plate 3 and snakelike thermal-collecting tube 4.Snakelike thermal-collecting tube 4 includes rectilinear tubes 41 and camber line pipe 42, adjacent rectilinear tubes 1
Connected between head and the tail by camber line pipe 42.The cross section undulate structure of absorber plate 3, the cross section of snakelike thermal-collecting tube 4 is in circle
Shape structure, snakelike thermal-collecting tube 4 connect the lower surface of absorber plate 3, the rectilinear tubes 41 of snakelike thermal-collecting tube 4 by laser welding process
It is attached in the arc-shaped tongue-and-groove 31 of absorber plate 3, realizes the contact area of increase and absorber plate 3, snakelike thermal-collecting tube 4 and absorber plate
3 link position is equipped with heat-conducting glue (not shown).The present embodiment, can be effective using the structure of laser welding process and heat-conducting glue
Reduce the thermal contact resistance of tube sheet so that the heat that absorber plate absorbs can preferably pass to the working medium in snakelike thermal-collecting tube 4, subtract
The thermal loss of few the present embodiment.
Snakelike thermal-collecting tube 4 is using copper pipe structure made of copper product.In addition collection need not be welded using snakelike thermal-collecting tube 4
Pipe, reduces the possibility of leakage；The thermal efficiency is high, without with reference to thermal resistance；And water cleaning, copper pipe will not be corroded；Ensure quality,
Whole production process realizes mechanization；Voltage endurance capability is strong, and copper pipe can bear higher pressure.The surface of snakelike thermal-collecting tube 4 is set
There are the performances such as alumilite process coating (not shown), anti-corrosion, wear-resisting and light shine fairly good.Alumilite process coating is using electricity
The coating that coloring process obtains is solved, there is firm, stable, sun-proof good characteristic, and can be mass produced.
Transparent cover plate 2 uses low iron ultrawhite woven design tempered glass, and transparent cover plate surface is coated with anti-reflection film (not shown) so that
The light transmittance of transparent cover plate reaches more than 95%, adds the sunray for being projected into absorber plate, so that absorber plate is inhaled
Received solar radiant energy increase, that is, add the present embodiment obtains heat.Spacing between transparent cover plate and absorber plate is more than
Or equal to 25mm.
Housing 1 is using the once molding formed structure of aluminium alloy or carbon steel sheet, improves flat-plate solar collector housing
Leakproofness.The present embodiment further includes phenol formaldehyde foam thermal insulation layer 5, and phenol formaldehyde foam thermal insulation layer 5 is attached at the inner surface of housing 1, thick
Degree is more than 35mm, is 40mm in the present embodiment.Phenol formaldehyde foam thermal insulation layer 5 has similar heat-insulating property compared with polyurethane, but
Operating temperature with higher, and it is non-ignitable；Compared with rock wool：More preferable heat-insulating property, it is more totally, harmless.
The other structures of the present embodiment are referring to the prior art.
The utility model is not limited to the above embodiment, if various changes or modifications to the utility model do not take off
From the spirit and scope of the utility model, if these modification and variations belong to the claim of the utility model and equivalent skill
Within the scope of art, then the utility model is also intended to include these modification and variations.
Claims (8)
1. novel flat-plate solar thermal collector, it is characterised in that：Including housing, transparent cover plate, absorber plate and snakelike thermal-collecting tube, inhale
Hot plate and snakelike thermal-collecting tube are arranged in housing, and transparent cover plate is arranged on housing and is covered in the top of absorber plate and snakelike thermal-collecting tube
Position；Snakelike thermal-collecting tube includes rectilinear tubes and camber line pipe, is connected between the head and the tail of adjacent rectilinear tubes by camber line pipe；Absorber plate
Cross section undulate structure, the circular in cross-section structure of snakelike thermal-collecting tube, snakelike thermal-collecting tube are connected by laser welding process
The lower surface of absorber plate is connect, the rectilinear tubes of snakelike thermal-collecting tube are attached in the arc-shaped tongue-and-groove of absorber plate.
2. novel flat-plate solar thermal collector according to claim 1, it is characterised in that：The snakelike thermal-collecting tube and the suction
The link position of hot plate is equipped with heat-conducting glue.
3. novel flat-plate solar thermal collector according to claim 2, it is characterised in that：The snakelike thermal-collecting tube is using copper
Copper pipe structure made of material.
4. novel flat-plate solar thermal collector according to claim 3, it is characterised in that：The surface of the snakelike thermal-collecting tube is set
There is alumilite process coating.
5. according to novel flat-plate solar thermal collector described in Claims 1-4 any one, it is characterised in that：The transparency cover
Plate uses low iron ultrawhite woven design tempered glass, and transparent cover plate surface is coated with anti-reflection film.
6. novel flat-plate solar thermal collector according to claim 5, it is characterised in that：The transparent cover plate and the heat absorption
Spacing between plate is greater than or equal to 25mm.
7. novel flat-plate solar thermal collector according to claim 1, it is characterised in that：The housing be using aluminium alloy or
The once molding formed structure of carbon steel sheet.
8. novel flat-plate solar thermal collector according to claim 1, it is characterised in that：Phenol formaldehyde foam thermal insulation layer is further included,
Phenol formaldehyde foam thermal insulation layer is attached at the inner surface of housing, and thickness is more than 35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710441.XU CN207230960U (en) | 2017-06-19 | 2017-06-19 | Novel flat-plate solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710441.XU CN207230960U (en) | 2017-06-19 | 2017-06-19 | Novel flat-plate solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230960U true CN207230960U (en) | 2018-04-13 |
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ID=61851786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710441.XU Active CN207230960U (en) | 2017-06-19 | 2017-06-19 | Novel flat-plate solar thermal collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207230960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998545A (en) * | 2020-09-01 | 2020-11-27 | 宁波盾科新材料有限公司 | Surface contact flat-plate solar collector |
-
2017
- 2017-06-19 CN CN201720710441.XU patent/CN207230960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998545A (en) * | 2020-09-01 | 2020-11-27 | 宁波盾科新材料有限公司 | Surface contact flat-plate solar collector |
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