CN201795608U - Negative pressure type flat-plate solar heat collector - Google Patents
Negative pressure type flat-plate solar heat collector Download PDFInfo
- Publication number
- CN201795608U CN201795608U CN201020273194XU CN201020273194U CN201795608U CN 201795608 U CN201795608 U CN 201795608U CN 201020273194X U CN201020273194X U CN 201020273194XU CN 201020273194 U CN201020273194 U CN 201020273194U CN 201795608 U CN201795608 U CN 201795608U
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- China
- Prior art keywords
- negative pressure
- plate
- absorber plate
- type flat
- plate solar
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- Expired - Fee Related
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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 a negative pressure type flat-plate solar heat collector. One end of an absorber plate is communicated with a negative pressure bin, the other end is communicated with a normal pressure bin, liquid in the negative pressure bin can be pumped to the normal pressure bin by a circulating pump, thereby leading the liquid surface of the negative pressure bin to descend and produce negative pressure, leading the liquid to flow to the negative pressure bin from the absorber plate, and forming negative pressure circulation. Compared with positive pressure circulation used by a traditional flat-plate solar heat collector, the negative pressure circulation can greatly reduce confined requirements of the absorber plate, the absorber plate can be formed by an upper and a lower metal thin plates which are attached together, a metal thin plate is pressed with point-shaped or line-shaped convex marks, and the two metal thin plates which are attached together are distracted with a gap with a thickness ranging from 0.1mm to 1mm by the convex marks, thereby a flat flow channel with large area is formed. The negative pressure type flat-plate solar heat collector does not need welding and use thicker materials to bear pressure, thereby achieving the purpose of simplifying making process and reducing cost, simultaneously being convenient for forming the flat flow channel with large area, and improving heat transfer effect.
Description
Technical field
The utility model relates to a kind of solar energy heat utilization device, is specifically related to a kind of flat-plate solar collector.
Background technology
At present, solar thermal collector mainly contains vacuum tube solar heating element and flat-plate solar collector, wherein flat-plate solar collector more attractive in appearance and can better with architecture-integral.But shortcoming is that its metal absorber plate manufacture difficulty is bigger, and cost is higher! So it is universal like that in China at present not as vacuum tube solar heating element.
Summary of the invention
The purpose of this utility model is the problems referred to above at flat-plate solar collector, a kind of suction type flat-plate solar collector is provided, change traditional flat-plate solar collector into negative pressure operation (promptly manage internal pressure and be lower than atmospheric pressure) at operation under positive pressure (promptly manage internal pressure and be higher than atmospheric pressure), bearing requirements to absorber plate can reduce significantly like this, reach simplified manufacturing technique, the purpose that reduces cost.
For achieving the above object, the technical solution of the utility model is as follows: a kind of suction type flat-plate solar collector comprises absorber plate, transparent cover plate, heat-insulation layer, circulating pump, normal pressure storehouse, negative pressure cabin and heat exchanger.Absorber plate one end is communicated with negative pressure cabin, and the other end is communicated with the normal pressure storehouse, and pump inlet is opened in negative pressure cabin, and outlet is opened in the normal pressure storehouse.Described absorber plate is made of two sheet metals that fit together up and down, wherein has the convex epirelief that is forced out point-like or wire on the piece of metal sheet at least, convex epirelief struts the slit with two sheet metals that fit together and forms large-area flat flow channel, this flat flow channel is equivalent to the comb on traditional absorber plate, but its large-area odds ratio comb more can be covered with whole absorber plate equably, improve heat-transfer effect, the method that another kind struts the slit is between two sheet metals of absorber plate the strong point or Support Level to be arranged, be used for slit between guarantee fund's metal thin plate, act on identical with convex epirelief, clearance distance between two sheet metals of absorber plate is 0.1mm to 1mm, as making flow resistance very big because of the molecular force between glass and the water less than 0.1mm, be difficult to circulation, then have too thick and heavyly greater than 1mm, expend shortcomings such as too much liquid and circulating energy.Have two collectors of the recessed formation in a slice two ends among two sheet metals of absorber plate at least, a collector is communicated with the normal pressure storehouse, and another collector is communicated with negative pressure cabin.Circulating pump is arranged in the negative pressure cabin, circulating pump can be with the liquid pump in the negative pressure cabin to the normal pressure storehouse, the negative pressure cabin liquid level is descended produce negative pressure, make liquid flow to negative pressure cabin by absorber plate, so just formed the negative pressure circulation, this negative pressure circulation can avoid two sheet metals that fit together to be strutted by the normal pressure of liquid, be the negative pressure between guarantee fund's metal thin plate, the installation site of normal pressure storehouse and negative pressure cabin can not be higher than absorber plate, and top, normal pressure storehouse has steam vent, can not raise to guarantee normal pressure storehouse internal pressure.Heat exchanger can be connected between absorber plate and the negative pressure cabin, and liquid is passed to the domestic hot-water at the heat that absorber plate absorbs by heat exchanger.
The beneficial effects of the utility model are, change traditional flat-plate solar collector into the negative pressure operation at operation under positive pressure, bearing requirements to absorber plate can reduce significantly like this, reach simplified manufacturing technique, the purpose that reduces cost, be convenient to simultaneously form large-area flat flow channel, improve heat-transfer effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing is the structural representation of utility model.
1. transparent cover plates among the figure are 2. gone up sheet metal, 3. descend sheet metal, 4. convex epirelief, 5. collector, 6. heat-insulation layer, 7. steam vent, 8. normal pressure storehouse, 9. negative pressure cabin, 10. circulating pump, 11. heat exchangers, 12. collectors.
The specific embodiment
In the drawings, between transparent cover plate (1) and the heat-insulation layer (6) is absorber plate, absorber plate is by last sheet metal (2) and following sheet metal (3) formation that fits together, be pressed with the convex epirelief (4) that is evenly distributed on the following sheet metal (3), like this when just being strutted certain thickness slit between two plates after last sheet metal (2) and following sheet metal (3) applying, form the large tracts of land flat flow channel in the uniform absorber plate, recessed formation collectors in the two ends of flat flow channel (5) and collector (12), collector (12) links to each other with negative pressure cabin (9) by heat exchanger (11), collector (5) links to each other with normal pressure storehouse (8), circulating pump (10) is arranged in the negative pressure cabin (9), circulating pump (10) import is left in negative pressure cabin (9), and outlet is opened in normal pressure storehouse (8).Top, normal pressure storehouse (8) has steam vent (7).
When sunlight is arranged, can make cycle fluid by water, starting circulating pump (10) absorbs water from negative pressure cabin (9), toward normal pressure storehouse (8) internal pump water, negative pressure cabin (9) liquid level is descended produce negative pressure, negative pressure makes pump flow to collector (12) to the water of normal pressure storehouse (8) by the flat flow channel between sheet metal (2) and the following sheet metal (3) on collector (5) process, flows back to negative pressure cabin (9) by collector (12) again, has so just formed the negative pressure circulation.This negative pressure circulation can avoid absorber plate to be strutted by the liquid normal pressure, for guaranteeing the negative pressure in the absorber plate, the installation site of normal pressure storehouse (8) and negative pressure cabin (9) can not be higher than absorber plate, and top, normal pressure storehouse (8) has steam vent (7), if owing to other reason, raising gradually such as normal pressure storehouse (8), operation back temperature makes the air expanded by heating storehouse in, during the pressure rising, the outside exhaust of steam vent (7) meeting or not raise to guarantee normal pressure storehouse (8) internal pressure.Thereby guarantee that absorber plate can not arrive malleation and destroy.So only need to carrying out the flanging pressing around the absorber plate or simple adhering and sealing gets final product.Need not welding and come pressure-bearing, so just simplified production technology, reduce manufacturing cost with thicker material.Heat exchanger (11) is connected between collector (12) and the negative pressure cabin (9), and recirculated water is passed to the domestic hot-water at the heat that absorber plate absorbs by heat exchanger (11).
Claims (7)
1. a suction type flat-plate solar collector comprises absorber plate, transparent cover plate, heat-insulation layer and circulating pump, it is characterized in that: absorber plate one end is communicated with negative pressure cabin, and the other end is communicated with the normal pressure storehouse, and pump inlet is opened in negative pressure cabin, and outlet is opened in the normal pressure storehouse.
2. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that absorber plate is made of two sheet metals that fit together up and down.
3. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that having the convex epirelief that is forced out point-like or wire on the piece of metal sheet at least in two sheet metals of absorber plate.
4. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that between two sheet metals of absorber plate the strong point or Support Level being arranged.
5. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that the clearance distance between two sheet metals of absorber plate is 0.1mm to 1mm.
6. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that having two collectors of the recessed formation in a slice two ends at least among two sheet metals of absorber plate.
7. according to claims 1 described a kind of suction type flat-plate solar collector, it is characterized in that top, normal pressure storehouse has steam vent.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020273194XU CN201795608U (en) | 2010-07-27 | 2010-07-27 | Negative pressure type flat-plate solar heat collector |
| PCT/CN2011/073664 WO2011140948A1 (en) | 2010-05-11 | 2011-05-04 | Flat plate solar heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020273194XU CN201795608U (en) | 2010-07-27 | 2010-07-27 | Negative pressure type flat-plate solar heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795608U true CN201795608U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020273194XU Expired - Fee Related CN201795608U (en) | 2010-05-11 | 2010-07-27 | Negative pressure type flat-plate solar heat collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795608U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140948A1 (en) * | 2010-05-11 | 2011-11-17 | 王勇 | Flat plate solar heat collector |
| CN102338479A (en) * | 2010-07-27 | 2012-02-01 | 深圳蓝景太阳能有限公司 | Negative-pressure type flat-plate solar collector |
| CN104819588A (en) * | 2015-05-15 | 2015-08-05 | 浙江威尔达电器有限公司 | Solar thermal collector board core of biconcave honeycomb hole hollow structure |
| CN104833113A (en) * | 2015-05-15 | 2015-08-12 | 浙江威尔达电器有限公司 | Solar heat collector of biconcave honeycomb cave hollow structure |
| CN107796133A (en) * | 2017-11-20 | 2018-03-13 | 苏州协宏泰节能科技有限公司 | A kind of honeycombed sheet type solar thermal collector |
-
2010
- 2010-07-27 CN CN201020273194XU patent/CN201795608U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140948A1 (en) * | 2010-05-11 | 2011-11-17 | 王勇 | Flat plate solar heat collector |
| CN102338479A (en) * | 2010-07-27 | 2012-02-01 | 深圳蓝景太阳能有限公司 | Negative-pressure type flat-plate solar collector |
| CN104819588A (en) * | 2015-05-15 | 2015-08-05 | 浙江威尔达电器有限公司 | Solar thermal collector board core of biconcave honeycomb hole hollow structure |
| CN104833113A (en) * | 2015-05-15 | 2015-08-12 | 浙江威尔达电器有限公司 | Solar heat collector of biconcave honeycomb cave hollow structure |
| CN107796133A (en) * | 2017-11-20 | 2018-03-13 | 苏州协宏泰节能科技有限公司 | A kind of honeycombed sheet type solar thermal collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN LANJING SOLAR ENERGY CO., LTD. Free format text: FORMER OWNER: SHI JIAN Effective date: 20110616 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550000 ROOM 706, BUILDING 181, JINJIANGYUAN, BEIYA ROAD, WUDANG DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE TO: 518111 5/F, BUILDING F, XINMUSHENG LOW CARBON INDUSTRIAL PARK, NO. 6, XINMU AVENUE, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110616 Address after: Five, F building, 518111 Tung Sheng Low Carbon Industrial Park, six new wood Road, Longgang District, Shenzhen, Guangdong, China Patentee after: Shenzhen Blueview Solar Co.,Ltd. Address before: 550000 Guizhou Province, Guiyang city Wudang District Beiya road Jin Jiang court 181 building 706 room Patentee before: Shi Jian |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Blueview Solar Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Blueview Solar Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20130727 |