CN203744561U - Full-sealed constant-pressure flat-plate solar collector - Google Patents
Full-sealed constant-pressure flat-plate solar collector Download PDFInfo
- Publication number
- CN203744561U CN203744561U CN201420112054.2U CN201420112054U CN203744561U CN 203744561 U CN203744561 U CN 203744561U CN 201420112054 U CN201420112054 U CN 201420112054U CN 203744561 U CN203744561 U CN 203744561U
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- CN
- China
- Prior art keywords
- plate
- flat
- solar collector
- expansion
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a full-sealed constant-pressure flat-plate solar collector. The solar collector comprises a light-transmitting cover plate and an expansion cover, wherein the expansion cover can expand elastically and is open at the upper end, the light-transmitting cover plate and the open edge of the expansion cover are in sealed connection to form a sealed expansion heat collecting cavity, a flat-plate heat collecting plate core is arranged in the expansion heat collecting cavity, a heat-transfer medium inlet/outlet pipe of the flat-plate heat collecting plate core penetrates through the expansion cover to be connected outside, and the heat-transfer medium inlet/outlet pipe and the expansion cover are sealed through a sealing cover. According to the flat-plate solar collector, the light-transmitting cover plate and the expansion cover form the sealed variable-volume expansion heat collecting cavity, when the temperature in the expansion heat collecting cavity rises or drops, gases in the cavity expand or contract, and the expansion cover expands outwards or contracts inwards under the action of the pressure inside and outside the cavity, so that the air pressure in the cavity is equal to that of the atmosphere. Through the design, breathing holes and breathing valves or breathing bags mounted on hole nozzles in the prior art are omitted, so that the production is facilitated, and manufacturing and using costs are greatly reduced.
Description
Technical field
The utility model, for field of solar energy, particularly relates to a kind of hermetically sealed constant voltage flat-plate solar collector.
Background technology
Along with becoming increasingly conspicuous of the problems such as energy crisis and environmental pollution, the continuous intensification of countries in the world to energy-saving and emission-reduction and environmental protection understanding, and solar energy has unrivaled advantage, relies on the collecting apparatus of conversion solar radiant energy to become the trend that solar energy utilizes.Especially flat-plate solar collector, have simple in structure, be easy to evenly gather with Integration of building, direct solar radiation and diffusion radiation and the advantage such as cost is relatively low, caused building trade and consumer's favor.Yet, existing flat-plate solar collector, the problem that the pressure causing due to unresolved hermetically sealed variations in temperature changes, therefore a large amount of flat-plate solar collectors that use are all non-Seal Design mostly now.The flat-plate solar collector of hermetically sealed design, is by frame substantially, cover-plate glass, and base plate adds sealant tape and fluid sealant is made an annular seal space.Heat-collecting plate core and heat-insulation layer are placed in chamber, leave spiracle and load onto breather valve or breathing bag at Kong Zui on frame.Both common shortcomings are, the manufacture of annular seal space is difficulty comparatively, and cost is higher.Therefore fail to use in a large number.
Utility model content
For addressing the above problem, the utility model provides a kind of convenient manufacture, and cost is lower, the hermetically sealed constant voltage flat-plate solar collector of constant pressure while guaranteeing the inherent variations in temperature of heat collector.
The utility model solves the technical scheme that its technical problem adopts: a kind of hermetically sealed constant voltage flat-plate solar collector, comprise euphotic cover plate and can the uncovered flexible case of elastic telescopic and upper end, the uncovered edge of euphotic cover plate and flexible case is tightly connected and forms airtight flexible heat collector cavity, in flexible heat collector cavity, be provided with flat heat collection plate core, the heat transfer medium inlet/outlet pipe of flat heat collection plate core penetrates telescopic cover shell joint and goes out, and between heat transfer medium inlet/outlet pipe and flexible case, passes through seal cap sealing.
Be further used as the improvement of technical solutions of the utility model, between the bottom surface of flat heat collection plate core and flexible case, be provided with heat-insulation layer.
Be further used as the improvement of technical solutions of the utility model, around flexible case, be provided with metal edge frame, the upper edge of metal edge frame is fixedly connected with flexible case with euphotic cover plate by fluid sealant, the lower edge of metal edge frame is provided with the base plate that covers flexible case, the heat transfer medium inlet/outlet pipe of flat heat collection plate core is passed by metal edge frame, between metal edge frame and described heat transfer medium inlet/outlet pipe, is provided with fixedly cushion rubber.
Be further used as the improvement of technical solutions of the utility model, the uncovered edge of flexible case forms the flanging outwards strutting, and the upper and lower side of flanging is provided with the foam band being connected with metal edge frame with euphotic cover plate respectively.
Be further used as the improvement of technical solutions of the utility model, seal cover comprises the circumferential body that is closely connected and entangles heat transfer medium inlet/outlet pipe with the case that stretches, circumferential body forms groove on inner headed face, is provided with the elastic seal ring that entangles heat transfer medium inlet/outlet pipe in groove.By the seal cover of said structure, can realize the Fast Installation of flat heat collection plate core on flexible case, and guarantee sealing.
Be further used as the improvement of technical solutions of the utility model, flexible case is made by plastic sheeting or metallic film or paper or coating coated paper or plastics-composite plastic film or plastics-paper composite membrane or plastic-metal composite membrane.
Be further used as the improvement of technical solutions of the utility model, in flexible heat collector cavity, be provided with drier and oxygen scavenger.Drier holding chamber inner drying, improves heat-insulating property, prevents the metal erosion in chamber; Oxygen scavenger reduces burning in chamber, and has the pre-contraction of flexible heat collector cavity, gives leaving space while expanding.
The beneficial effects of the utility model: in this hermetically sealed constant voltage flat-plate solar collector, by euphotic cover plate, become the flexible heat collector cavity of airtight and variable volume with telescopic cover hull shape, when flexible thermal-arrest cavity temperature raises, gas expansion in chamber, the outwards bulging under the effect of the bulbs of pressure of flexible case, flexible heat collector cavity volume is increased, till increasing to chamber internal gas pressure and equating with atmospheric pressure.When flexible thermal-arrest cavity temperature declines, the contraction of gas in chamber, flexible case inwardly shrinks under the effect of atmospheric pressure, and flexible heat collector cavity volume is dwindled, till being contracted to chamber internal gas pressure and equating with atmospheric pressure.The utility model, by above-mentioned design, omits spiracle in conventional art, at Kong Zui, loads onto breather valve or breathing bag, thereby convenient production reduced the cost of making and using greatly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the utility model embodiment euphotic cover plate and flexible case syndeton schematic diagram;
Fig. 3 is the utility model embodiment sealing cover structure schematic diagram;
Fig. 4 is the utility model embodiment flat heat collection plate core schematic diagram.
The specific embodiment
Referring to figs. 1 through Fig. 4, the utility model provides a kind of hermetically sealed constant voltage flat-plate solar collector, comprise euphotic cover plate 1 and can the uncovered flexible case 2 of elastic telescopic and upper end, flexible case 2 can be made by plastic sheeting or metallic film or paper or coating coated paper or plastics-composite plastic film or plastics-paper composite membrane or plastic-metal composite membrane.Euphotic cover plate 1 is tightly connected and forms airtight flexible heat collector cavity 3 with the uncovered edge of flexible case 2.In flexible heat collector cavity 3, be provided with flat heat collection plate core 4, drier 5 and oxygen scavenger 6, between the bottom surface of flat heat collection plate core 4 and flexible case 2, be provided with heat-insulation layer 7.The heat transfer medium inlet/outlet pipe 41 of flat heat collection plate core 4 penetrates flexible case 2 and picks out, and 2 of heat transfer medium inlet/outlet pipe 41 and flexible cases seal by seal cover 8.Seal cover 8 comprises the circumferential body that is closely connected and entangles heat transfer medium inlet/outlet pipe 41 with flexible case 2, and circumferential body forms groove on inner headed face, is provided with the elastic seal ring 81 that entangles heat transfer medium inlet/outlet pipe 41 in groove.
In this hermetically sealed constant voltage flat-plate solar collector, by euphotic cover plate 1 and flexible case 2, form the flexible heat collector cavity 3 of airtight and variable volume, when the interior temperature of flexible heat collector cavity 3 raises, gas expansion in chamber, the outwards bulging under the effect of the bulbs of pressure of flexible case 2, flexible heat collector cavity 3 volumes are increased, till increasing to chamber internal gas pressure and equating with atmospheric pressure.When the interior temperature of flexible heat collector cavity 3 declines, the contraction of gas in chamber, flexible case 2 inwardly shrinks under the effect of atmospheric pressure, and flexible heat collector cavity 3 volumes are dwindled, till being contracted to chamber internal gas pressure and equating with atmospheric pressure.The utility model, by above-mentioned design, omits spiracle in conventional art, at Kong Zui, loads onto breather valve or breathing bag, thereby convenient production reduced the cost of making and using greatly.
Around flexible case 2, be provided with metal edge frame 9, the upper edge of metal edge frame 9 is fixedly connected with flexible case 2 with euphotic cover plate 1 by fluid sealant 90, the lower edge of metal edge frame 9 is provided with the base plate 91 that covers flexible case 2, the heat transfer medium inlet/outlet pipe 41 of flat heat collection plate core 4 is passed by metal edge frame 9, is provided with fixedly cushion rubber 92 between metal edge frame 9 and heat transfer medium inlet/outlet pipe 41.The uncovered edge of flexible case 2 forms the flanging 21 outwards strutting, and the upper and lower side of flanging 21 is provided with the foam band 22 being connected with metal edge frame 9 with euphotic cover plate 1 respectively.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (7)
1. a hermetically sealed constant voltage flat-plate solar collector, it is characterized in that: comprise euphotic cover plate and can the uncovered flexible case of elastic telescopic and upper end, the uncovered edge of described euphotic cover plate and flexible case is tightly connected and forms airtight flexible heat collector cavity, in described flexible heat collector cavity, be provided with flat heat collection plate core, the heat transfer medium inlet/outlet pipe of described flat heat collection plate core penetrates telescopic cover shell joint and goes out, and between described heat transfer medium inlet/outlet pipe and flexible case, passes through seal cap sealing.
2. hermetically sealed constant voltage flat-plate solar collector according to claim 1, is characterized in that: between the bottom surface of described flat heat collection plate core and flexible case, be provided with heat-insulation layer.
3. hermetically sealed constant voltage flat-plate solar collector according to claim 1, it is characterized in that: around described flexible case, be provided with metal edge frame, the upper edge of described metal edge frame is fixedly connected with flexible case with euphotic cover plate by fluid sealant, the lower edge of described metal edge frame is provided with the base plate that covers flexible case, the heat transfer medium inlet/outlet pipe of described flat heat collection plate core is passed by metal edge frame, between metal edge frame and described heat transfer medium inlet/outlet pipe, is provided with fixedly cushion rubber.
4. hermetically sealed constant voltage flat-plate solar collector according to claim 3, it is characterized in that: the uncovered edge of described flexible case forms the flanging outwards strutting, the upper and lower side of described flanging is provided with the foam band being connected with metal edge frame with euphotic cover plate respectively.
5. according to the hermetically sealed constant voltage flat-plate solar collector described in claim 1～4 any one, it is characterized in that: described seal cover comprises the circumferential body that is closely connected and entangles described heat transfer medium inlet/outlet pipe with the case that stretches, circumferential body forms groove on inner headed face, is provided with the elastic seal ring that entangles heat transfer medium inlet/outlet pipe in described groove.
6. according to the hermetically sealed constant voltage flat-plate solar collector described in claim 1～4 any one, it is characterized in that: described flexible case is made by plastic sheeting or metallic film or paper or coating coated paper or plastics-composite plastic film or plastics-paper composite membrane or plastic-metal composite membrane.
7. according to the hermetically sealed constant voltage flat-plate solar collector described in claim 1～4 any one, it is characterized in that: in described flexible heat collector cavity, be provided with drier and oxygen scavenger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112054.2U CN203744561U (en) | 2014-03-12 | 2014-03-12 | Full-sealed constant-pressure flat-plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112054.2U CN203744561U (en) | 2014-03-12 | 2014-03-12 | Full-sealed constant-pressure flat-plate solar collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744561U true CN203744561U (en) | 2014-07-30 |
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ID=51344351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112054.2U Expired - Fee Related CN203744561U (en) | 2014-03-12 | 2014-03-12 | Full-sealed constant-pressure flat-plate solar collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203744561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107003034A (en) * | 2014-11-25 | 2017-08-01 | 沙特基础工业全球技术有限公司 | Solar collector including acrylic compounds cover plate and production and preparation method thereof |
-
2014
- 2014-03-12 CN CN201420112054.2U patent/CN203744561U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107003034A (en) * | 2014-11-25 | 2017-08-01 | 沙特基础工业全球技术有限公司 | Solar collector including acrylic compounds cover plate and production and preparation method thereof |
| US10386095B2 (en) | 2014-11-25 | 2019-08-20 | Sabic Global Technologies B.V. | Solar collectors including acrylic based cover sheet and methods for making and using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20160312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |