CN201344645Y - Mesothermal heat collector for outer light-collecting solar vacuum tube - Google Patents
Mesothermal heat collector for outer light-collecting solar vacuum tube Download PDFInfo
- Publication number
- CN201344645Y CN201344645Y CNU2008202128419U CN200820212841U CN201344645Y CN 201344645 Y CN201344645 Y CN 201344645Y CN U2008202128419 U CNU2008202128419 U CN U2008202128419U CN 200820212841 U CN200820212841 U CN 200820212841U CN 201344645 Y CN201344645 Y CN 201344645Y
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- vacuum tube
- section
- circle
- circular
- tube
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- Expired - Fee Related
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- 230000005494 condensation Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006059 cover glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000004448 convergence reflex Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Classifications
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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 mesothermal heat collector for an outer light-collecting solar vacuum tube, which comprises a vacuum tube and a reflecting light-collecting plate, wherein a heat absorbing body is arranged in the vacuum tube; and the reflecting light-collecting plate is arranged outside. The utility model is characterized in that the reflecting light-collecting plate is arranged at the side surface of the vacuum tube; the radial section of the reflecting light-collecting plate is in a type of symmetrical multisection circular-arc curved lines which respectively comprise two-section circular-arc curved lines, three-section circular-arc curved lines and seven-section circular-arc curved lines; the extension lines of the three-section circular-arc curved lines and seven-section circular-arc curved lines are intersected at the lowest point of the section circle of an inner heat absorbing pipe, and use a vertical line of the inner heat absorbing tube as the symmetric axis, and the vertical line of the inner heat absorbing tube passes through the circle center; and the extension lines of the two-section circular-arc curved lines are intersected at the lowest point of the section circle of an outer vacuum tube, and use a vertical line of the vacuum tube as the symmetric axis, and the vertical line of the vacuum tube passes through the circle center. The utility model has the advantages of simple reflecting plate shape, high light reflecting efficiency and low manufacture cost and can be widely used in solar mesothermal heat collectors.
Description
Affiliated technical field:
The utility model relates to a kind of solar energy vacuum tube medium-temperature collectors, belongs to the solar thermal utilization equipment technical field.
Background technology:
At present, solar vacuum-tube water heater is used more general, but this belongs to a kind of low temperature heat collector, and the hot water temperature of manufacturing is not easy to reach 100 ℃, has limited this series products 100 ℃ and above middle temperature field application.The outer light-concentrating solar heat-collection device of CPC composite parabolic type, the efficient of reflection convergence sunlight is higher, can obtain the higher temperature more than 100 ℃, but there is the shortcoming that size is big, manufacture difficulty is big, cost is high in this type of solar thermal collector, has limited it and used and popularize.The outer light-concentrating solar heat-collection device of other types, ZL99241882.8 is described as patent, and the reflector design by simplifying can converge to the part sunlight that shines on the reflector on the vacuum tube, also can obtain the running temperature more than 100 ℃; Though the manufacturing cost of this type of solar thermal collector has reduced, the efficient of reflector reflection, convergence sunlight is also not high; After solar angle changes, there is quite a few incident sunlight to be refracted and goes back, do not absorbed by vacuum tube.
Summary of the invention:
For under the prerequisite of lower cost, make great efforts to improve the solar collector efficient of outer light-concentrating solar heat-collection device, the purpose of this utility model provides the outer Photospot solar medium-temperature collectors that a kind of running temperature is higher than 100 ℃, the efficient of reflector gathering sunlight is higher, manufacturing cost is lower, be easy to popularize.
For achieving the above object, symmetrical principle of reflection according to light, the utility model is taked following design: a kind of outer Photospot solar medium-temperature collectors, it comprises that but there are the vacuum tube of absorber, external reflecting condensation plate pressure bearing stored thermic devices, middle temperature heat-insulation system in inside, it is characterized in that: described reflecting condensation plate places the vacuum tube side, its radial section is shaped as the multi-section circular arc curve of symmetry, comprises three kinds of forms of two sections, three sections, seven sections circular curves respectively; Wherein, the form of three sections circular arcs, seven sections circular arcs, the extended line of its symmetrical circular arc line cross with heat absorption in the minimum point place of tube section circle, be axial symmetry with the vertical line through the center of circle of pipe in absorbing heat; The form of two sections circular arcs, its circular arc are intersected in the minimum point of the outer tube section circle of vacuum tube, are axial symmetry with the vertical line through the center of circle of vacuum tube.Various forms of circular curve end points all are no more than the first half of vacuum tube horizontal circle axle.The reflecting condensation plate of three kinds of forms, efficient is assembled in the light reflection in the time of can improving the incident angle variation effectively, and wherein, the light of the convergence that reflecting plate reflects of seven segmentations is most effective.Therefore, by improving the light gathering efficiency of reflecting plate, just can realize improving the purpose of heat collector collecting efficiency.
The middle temperature solar heat collector of the utility model design comprises: but vacuum tube, reflecting condensation plate pressure resistant vessel, the heat conduction aluminium wing, anti-in warm insulation material etc.
Beneficial effect: the utility model solar energy medium-temperature collectors has improved solar collector efficient, manufacturing cost is also lower, can directly heat water generates steam, also other heat catalysis indirect water generates steam can be passed through, therefore industry fields such as food, clothes, printing and dyeing, chemical industry, medicine, papermaking, desalinization can be widely used in.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the utility model seven segment type vacuum tube structure schematic diagrames
Fig. 2 is the utility model three-segment type vacuum tube structure schematic diagram
Fig. 3 is the utility model two segment type vacuum tube structure schematic diagrames
Fig. 4 is that the utility model absorber cross section is plate schematic diagram
Among the figure, 1 is the reflecting condensation plate; 2 is the vacuum tube cover glass; 3 is absorber in the vacuum tube; O is the vacuum tube heat absorbing pipe center of circle, and D represents the endothermic tube diameter, and the A-B dotted line is represented the horizontal line section through center of circle O of 3 times of D length, the minimum point on the C point expression endothermic tube circumference, and OC is the vertical radius of endothermic tube circle.Among Fig. 1, a-b-c-d-e-f-g represents seven segment type reflecting plates; Among Fig. 2, h-i-j represents the three-segment type reflecting plate; Among Fig. 3, k-l represents two segment type reflecting plates.
The specific embodiment:
Principal character of the present utility model is the improvement that reflecting condensation plate 1 shape is carried out, and purpose is to improve efficient is assembled in the reflection of light.
As shown in Figure 1, reflecting plate 1 cross sectional shape is the symmetrical circular curve of seven segment types, and a-b-c section circular arc and e-f-g section circular arc are symmetry equivalent fully, and is symmetry axis with the vertical radius OC of endothermic tube 3, and d section circular arc is close to the vacuum tube cover glass, also is symmetry axis with OC.C section, e section circular arc extended line intersect at the C point.The outermost end points height of a section, b section circular arc is lower than vacuum tube horizontal axis AB.The endothermic tube diameter D that the total length of reflecting plate 1 equals 3 times.
As shown in Figure 2, reflecting plate 1 cross sectional shape is the symmetrical circular curve of three-segment type, and h section circular arc and j section circular arc are symmetry equivalent fully, and is symmetry axis with the vertical radius OC of endothermic tube 3, and i section circular arc is close to the vacuum tube cover glass, also is symmetry axis with OC.H section, j section circular arc extended line intersect at the C point.The outermost end points height of h section, j section circular arc is lower than vacuum tube horizontal axis AB.The endothermic tube diameter D that the total length of reflecting plate 1 equals 3 times.
As shown in Figure 3, reflecting plate 1 cross sectional shape is the symmetrical circular curve of two segment types, and k section circular arc and l section circular arc are symmetry equivalent fully, and is symmetry axis with the vertical radius OC of endothermic tube 3.K section, l section circular arc intersect at the C point.The outermost end points height of k section, l section circular arc is lower than vacuum tube horizontal axis AB.The total length of reflecting plate 1 is smaller or equal to 3 times endothermic tube diameter D.
More above-mentioned 3 sections of reflecting plates, seven segment type reflecting plates are assembled most effective to the light reflection that changes incidence angle, the efficient of three-segment type reflecting plate is taken second place, two segment type reflecting plates are the poorest, but all can effectively improve the convergence reflex efficient of light, make solar energy medium-temperature collectors running temperature of the present utility model can meet and exceed 100 ℃.
The utility model comprises some groups of vacuum tubes 2 and is arranged in the reflecting condensation plate 1 of vacuum tube 2 belows, absorber 3 is arranged in the vacuum tube 2.The reflecting plate 1 of three kinds of patterns all should be close to and be fixed on the vacuum tube 2, and vacuum tube 2 is fixed on the framework of solar thermal collector.Some groups of vacuum tubes 2 are that the boundary is close together mutually with the edge of reflecting plate 1 all with reflecting plate 1, do not shut out the light mutually between the reflecting plate 1, form solar energy medium-temperature collectors closely, improve heat collector unit are collecting efficiency.
Reflecting plate 1 of the present utility model adds man-hour, can be that the single tube monolithic shapes, and also can 2 or some shape simultaneously, but fixed form all should make reflecting plate 1 be close to vacuum tube 2.
When the utility model is implemented, can be glass vacuum pipe heat collector, also can be heat pipe vacuum tube hot collector etc.
Except vacuum tube heat absorbing body shown in Fig. 1,2,3 is the annular, plate shaped absorber as shown in Figure 4 also can reference implementation the utility model.
Claims (4)
1, a kind of outer Photospot solar medium-temperature collectors, it comprises that but there are the vacuum tube of absorber, external reflecting condensation plate pressure bearing stored thermic devices, middle temperature heat-insulation system in inside, it is characterized in that: described reflecting condensation plate places the vacuum tube side, its radial section is shaped as the multi-section circular arc curve of symmetry, comprises three kinds of forms of two sections, three sections, seven sections circular curves respectively; Wherein, the form of three sections circular arcs, seven sections circular arcs, the extended line of its symmetrical circular arc line cross with heat absorption in the minimum point place of tube section circle, be axial symmetry with the vertical line through the center of circle of pipe in absorbing heat; The form of two sections circular arcs, its circular arc are intersected in the minimum point of the outer tube section circle of vacuum tube, are axial symmetry with the vertical line through the center of circle of vacuum tube, and various forms of circular curve end points all are no more than the first half of vacuum tube horizontal circle axle.
2, outer Photospot solar medium-temperature collectors as claimed in claim 1, it is characterized in that: described reflecting condensation plate comprises the monolithic pattern, perhaps biplate or multi-disc one pattern.
3, outer Photospot solar medium-temperature collectors as claimed in claim 1 is characterized in that: the inner absorber radial section of described vacuum tube is an annular.
4, outer Photospot solar medium-temperature collectors as claimed in claim 1 is characterized in that: the inner absorber of described vacuum tube is plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128419U CN201344645Y (en) | 2008-10-29 | 2008-10-29 | Mesothermal heat collector for outer light-collecting solar vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128419U CN201344645Y (en) | 2008-10-29 | 2008-10-29 | Mesothermal heat collector for outer light-collecting solar vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344645Y true CN201344645Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202128419U Expired - Fee Related CN201344645Y (en) | 2008-10-29 | 2008-10-29 | Mesothermal heat collector for outer light-collecting solar vacuum tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN201344645Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226585A (en) * | 2011-05-27 | 2011-10-26 | 天津大学 | Solar hot water heat collector |
| CN105275759A (en) * | 2015-11-17 | 2016-01-27 | 绍兴文理学院 | Groove type solar cogeneration pharmaceutical heat energy power system |
| CN105298769A (en) * | 2015-11-17 | 2016-02-03 | 绍兴文理学院 | Tower type solar drug manufacturing heat energy power system |
-
2008
- 2008-10-29 CN CNU2008202128419U patent/CN201344645Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226585A (en) * | 2011-05-27 | 2011-10-26 | 天津大学 | Solar hot water heat collector |
| CN105275759A (en) * | 2015-11-17 | 2016-01-27 | 绍兴文理学院 | Groove type solar cogeneration pharmaceutical heat energy power system |
| CN105298769A (en) * | 2015-11-17 | 2016-02-03 | 绍兴文理学院 | Tower type solar drug manufacturing heat energy power system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20171029 |