CN102052789A - Overheat protection vacuum circulating heat-collecting component - Google Patents
Overheat protection vacuum circulating heat-collecting component Download PDFInfo
- Publication number
- CN102052789A CN102052789A CN2009101986515A CN200910198651A CN102052789A CN 102052789 A CN102052789 A CN 102052789A CN 2009101986515 A CN2009101986515 A CN 2009101986515A CN 200910198651 A CN200910198651 A CN 200910198651A CN 102052789 A CN102052789 A CN 102052789A
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- Prior art keywords
- heat
- absorber
- tube
- natural circulation
- cover glass
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Links
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 230000001174 ascending effect Effects 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000006059 cover glass Substances 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
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- Thermal Insulation (AREA)
Abstract
The invention provides an overheat protection vacuum circulating heat-collecting component. The component comprises an absorber arranged in a vacuum heat insulation layer, a natural circulating channel formed by an ascending tube, a descending tube and a heat release end, and a bimetallic strip heat component connected with the absorber or the descending tube under low heat resistance and provided with free end claws. The invention is characterized in that the ascending tube and the absorber are connected under low heat resistance or manufactured as a whole. The invention has the following beneficial effects: in the places where a collector can be obliquely or vertically mounted, the overheat protection vacuum circulating heat-collecting component dispenses with power for circulating heat transfer, is started quickly, resists frost, is free from tube explosion, can still collect heat even if a single tube is damaged, and can be used for manufacturing a solar heat collector which can produce water with quality in line with the hygienic standard, can gain more heat and has excellent heat insulation property; and a heat exchange interface is freely designed, the heat-collecting component is insensitive to the vacuum degree, can semi-permanently and stably work at the temperature of 20-500 DEG C and can use low-carbon steel and aluminium to replace copper, and the heat-collecting component with a function of overheat protection can prevent a stagnation accident. Three embodiments are given in the invention in combination with the drawings.
Description
Technical field
The present invention relates to overtemperature protection vacuum cycle heat collecting element.
Background technology
Vacuum intubate solar water heater can provide the domestic hot-water in the winter time, but thermal-collecting tube internal memory hydro-thermal is heavy big, hot less, frost resistance is poor, can bombing, the single tube breakage can metal run out, the water-quality deterioration bacterium exceeds standard.Adopt the heat collector tube element can make anhydrous water heater in the pipe, but copper---hydro-thermal pipe cost height, the tangible performance degradation phenomenon of also existence freezing, that have easily.
Summary of the invention
The objective of the invention is to provide overtemperature protection vacuum cycle heat collecting element.
The present invention solves the technical scheme that its technical problem is taked: with the absorber that places in the vacuum heat-insulating layer; a Natural Circulation runner that constitutes by ascending tube, down pipe and release end of heat; and one formed an overtemperature protection vacuum cycle heat collecting element with the bimetal leaf heating power element that absorber or down pipe low thermal resistance are connected, have the free end pawl; the inner can of Natural Circulation runner but be not full of liquid heating agent, the ascending tube of the Natural Circulation runner absorber low thermal resistance interior with placing vacuum heat-insulating layer be connected or with the absorber integral production.
Beneficial effect of the present invention comprises: for the occasion of tiltable or positioned vertical, circulation conduct heat need not to be equipped with power, starts fast, freeze proof, pipe explosion, single tube damages still can thermal-arrest, can make water quality meet sanitary standard, hot many, solar collector that heat-insulating property is excellent; But heat exchange interface designs freedom, can prevent empty solarization accident to the insensitive semipermanent steady operation of vacuum at the heat collecting element of 20～500 ℃ of scopes, available mild steel and aluminium substitution copper, overtemperature protection.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is one can cut down sealing-in overtemperature protection vacuum cycle heat collecting element configuration diagram.
Fig. 2 is a cover glass tube heat release overtemperature protection vacuum cycle heat collecting element configuration diagram.
Fig. 3 is an indent heat release interface overtemperature protection vacuum cycle heat collecting element configuration diagram.
1. vacuum heat-insulating layers among the figure; 2. absorber; 3. ascending tube; 4. down pipe; 5. release end of heat; 6. free end pawl; 7. heating power element; 8. can cut down seal connector; 9. cover glass tube; 10. necking segment; 11. concave section.
The specific embodiment
1. vacuum heat-insulating layers among the figure; 2. absorber; 3. ascending tube; 4. down pipe; 5. release end of heat; 6. free end pawl; 7. heating power element; 8. can cut down seal connector; 9. cover glass tube; 10. necking segment; 11. the cover glass tube of indent.
Among Fig. 1; with the absorber 2 that places in the vacuum heat-insulating layer 1; a Natural Circulation runner that constitutes by ascending tube 3, down pipe 4 and release end of heat 5; and one be connected, have the bimetal leaf heating power element 7 of free end pawl 6 and one with down pipe 4 low thermal resistances and can cut down seal connector 8 and form one and can cut down sealing-in overtemperature protection vacuum cycle heat collecting element; the inner can of Natural Circulation runner but be not full of liquid heating agent, the ascending tube 3 of Natural Circulation runner and absorber 2 integral productions that place in the vacuum heat-insulating layer 1.Can cut down seal connector 8 be tightly connected the tubulose release end of heat 5 and cover glass tube 9 of Natural Circulation runner, form an employing vacuum cycle heat collecting element.Can cut down material can either with metal solder, can be connected with the glass heat press seal again.
Fig. 1 embodiment embedded vacuum cycle set thermal element is done the inclination installation that release end of heat 5 height are put in the sun, and the heating agent liquid level shown in the oblique dotted line is the level of state.Sunlight sees through cover glass tube 9 and be converted to heat energy on absorber 2, heat energy in absorber 2 is passed to ascending tube 3 heating agent and make the heating agent expanded by heating by ascending tube 3 come-up, tubulose release end of heat 5 places at the Natural Circulation runner, heating agent is emitted the heat energy temperature and is reduced entering down pipe 4, sinks to enter ascending tube 3 behind the end once more and be heated and float.So along the circulation thermal-arrest that goes round and begins again of approach shown in the band arrow curve.
Under the normal working temperature, by 5 heat releases of tubulose release end of heat, the free end pawl 6 of bimetal leaf heating power element 7 does not contact with cover glass tube 9.
When the empty solarization of heat collecting element internal temperature is too high; the free end pawl 6 of bimetal leaf heating power element 7 is heated to turn up and contacts with cover glass tube 9 to position shown in the dotted line; partial heat energy is dispersed into environment by these free end pawls 6 and cover glass tube 9, makes the temperature of heat collecting element reduce the realization overtemperature protection.Overtemperature protection can automatically terminate later.
Answer degasification before the Natural Circulation runner can heating agent, can finishes and should seal.The design of Natural Circulation runner and the selection of heating agent and can amount thereof should satisfy: the 1) foundation of Natural Circulation; 2) the heating agent stable performance be not easy thermal decomposition, saturated vapor force down, not with Natural Circulation runner generation chemical reaction; 3) possessing the heating agent expansion space in the Natural Circulation runner solidifies heating agent or empty relevant parts is not produced adverse effect when shining volumetric expansion; 4) the release end of heat operating mode is good.
Among Fig. 1, adopt ascending tube 1 to stretch into the design of tubulose release end of heat 3 inside, help to improve collecting efficiency.
Vacuum heat-insulation between the ascending tube 1 of Fig. 1 embodiment and the down pipe 2, very favourable to the circulation thermal-arrest.
The release end of heat 3 of Fig. 1 embodiment is that tubulose is outwardly directed.The vacuum cycle heat collecting element also can adopt the release end of heat or the heat release end face of indent.
Inner surface coats infrared reflective material in the non-light area of cover glass tube, can effectively reduce the radiation heat loss of heat collecting element.
Among Fig. 2; with the absorber 2 that places in the vacuum heat-insulating layer 1; a Natural Circulation runner that constitutes by ascending tube 3, down pipe 4 and release end of heat 5; and one formed a cover glass tube heat release overtemperature protection vacuum cycle heat collecting element with the cover glass tube 9 that down pipe 4 low thermal resistances are connected, have the bimetal leaf heating power element 7 of free end pawl 6 and a closure; the inner can of Natural Circulation runner but be not full of liquid heating agent, the ascending tube 3 of Natural Circulation runner and absorber 2 integral productions that place in the vacuum heat-insulating layer 1.Being lined with an elasticity heat transfer piece between cover glass tube 9 necking segment 10 of the tubulose release end of heat 5 of Natural Circulation runner and closure conducts heat to improve.During normal thermal-arrest, tubulose release end of heat 5 is by elasticity heat transfer piece and necking segment 10 heat releases.
Can omit by cover glass tube and necking segment heat release thereof and can cut down seal connector, good airproof performance, corrosion-resistant.
Sometimes, the load container that cooperates with heat collecting element also needs heat collecting element that such necking segment is arranged.
Among Fig. 3; with the absorber 2 that places in the vacuum heat-insulating layer 1; a Natural Circulation runner that constitutes by ascending tube 3, down pipe 4 and coil heat exchanger release end of heat 5; and one formed an indent heat release interface overtemperature protection vacuum cycle heat collecting element with the cover glass tube 9 that down pipe 4 low thermal resistances are connected, have the closure of the bimetal leaf heating power element 7 of free end pawl 6 and a band concave section 11; the inner can of Natural Circulation runner but be not full of liquid heating agent, the ascending tube 3 of Natural Circulation runner and absorber 2 integral productions that place in the vacuum heat-insulating layer 1.Being lined with an elasticity heat transfer piece between coil heat exchanger release end of heat 5 and cover glass tube 9 concave sections 11 conducts heat to improve.During normal thermal-arrest, coil heat exchanger release end of heat 5 is by elasticity heat transfer piece and cover glass tube 9 concave sections, 11 heat releases.
The coil heat exchanger release end of heat 3 that cooperates with cover glass tube concave section 11 among Fig. 3 embodiment can also adopt other forms, for example the jacketed type exchanger release end of heat that cooperates with cover glass tube concave section 11 arranged concentric.
Claims (5)
1. overtemperature protection vacuum cycle heat collecting element; by the absorber that places in the vacuum heat-insulating layer; a Natural Circulation runner that constitutes by ascending tube, down pipe and release end of heat; and one formed with the bimetal leaf heating power element that absorber or down pipe low thermal resistance are connected, have the free end pawl; the inner can of Natural Circulation runner but be not full of liquid heating agent, the ascending tube absorber low thermal resistance interior that it is characterized in that the Natural Circulation runner with placing vacuum heat-insulating layer be connected or with the absorber integral production.
2. heat collecting element according to claim 1 is characterized in that containing one between the release end of heat of Natural Circulation runner and the cover glass tube can cut down seal connector.
3. heat collecting element according to claim 1 is characterized in that containing an elasticity heat transfer piece between the release end of heat of Natural Circulation runner and the closed cover glass tube.
4. heat collecting element according to claim 1, it is characterized in that the Natural Circulation runner contains a coil pipe or a jacketed type exchanger release end of heat that cooperates heat transfer to be connected with the cover glass tube of indent, contains an elasticity heat transfer piece between the cover glass tube of coil pipe or jacketed type exchanger release end of heat and indent.
5. heat collecting element according to claim 1 is characterized in that the non-light area of cover glass tube inner surface is coated with to be shaped on infrared reflective material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198651.5A CN102052789B (en) | 2009-11-11 | 2009-11-11 | Overheating protective vacuum circulation heat collection element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198651.5A CN102052789B (en) | 2009-11-11 | 2009-11-11 | Overheating protective vacuum circulation heat collection element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102052789A true CN102052789A (en) | 2011-05-11 |
| CN102052789B CN102052789B (en) | 2016-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910198651.5A Expired - Fee Related CN102052789B (en) | 2009-11-11 | 2009-11-11 | Overheating protective vacuum circulation heat collection element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102052789B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924143A (en) * | 1982-08-02 | 1984-02-07 | Hitachi Ltd | Overheat preventing mechanism for solar heat collector |
| CN1076180A (en) * | 1993-02-18 | 1993-09-15 | 北京市太阳能研究所 | Hot-pressing process for glass-metal sealing |
| CN2733257Y (en) * | 2004-09-06 | 2005-10-12 | 中国科学院广州能源研究所 | Vacuum tube solar heat collection device |
| CN2872210Y (en) * | 2005-12-09 | 2007-02-21 | 山东力诺新材料有限公司 | Solar dark heat-collecting pipe with single-layer pipe wall |
| CN201569190U (en) * | 2009-11-11 | 2010-09-01 | 邱玉燕 | Overheating protective vacuum circulation heat collection element |
-
2009
- 2009-11-11 CN CN200910198651.5A patent/CN102052789B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924143A (en) * | 1982-08-02 | 1984-02-07 | Hitachi Ltd | Overheat preventing mechanism for solar heat collector |
| CN1076180A (en) * | 1993-02-18 | 1993-09-15 | 北京市太阳能研究所 | Hot-pressing process for glass-metal sealing |
| CN2733257Y (en) * | 2004-09-06 | 2005-10-12 | 中国科学院广州能源研究所 | Vacuum tube solar heat collection device |
| CN2872210Y (en) * | 2005-12-09 | 2007-02-21 | 山东力诺新材料有限公司 | Solar dark heat-collecting pipe with single-layer pipe wall |
| CN201569190U (en) * | 2009-11-11 | 2010-09-01 | 邱玉燕 | Overheating protective vacuum circulation heat collection element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102052789B (en) | 2016-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: HAINING IEMYC SOLAR ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XU LIMING Effective date: 20130815 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200050 CHANGNING, SHANGHAI TO: 314416 JIAXING, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130815 Address after: 314416, Zhejiang Province, Jiaxing City, Haining province Zhen Yuan Town East Village home No. 35 Applicant after: Haining IEMYC Solar Energy Technology Co., Ltd. Address before: 200050 No. 221, Lane 6, mist mountain road, Shanghai, Changning District 501 Applicant before: Xu Liming |
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| ASS | Succession or assignment of patent right |
Owner name: SHI ZHONGTIAN Free format text: FORMER OWNER: HAINING IEMYC SOLAR ENERGY EQUIPMENT CO., LTD. Effective date: 20141102 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 314416 JIAXING, ZHEJIANG PROVINCE TO: 317527 TAIZHOU, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20141102 Address after: Wenqiao town Wenling city Taizhou City, Zhejiang province 317527 Xing Chang Road 25 Building No. 5 Applicant after: Shi Zhongtian Address before: 314416, Zhejiang Province, Jiaxing City, Haining province Zhen Yuan Town East Village home No. 35 Applicant before: Haining IEMYC Solar Energy Technology Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Quanzhi Inventor before: Shi Guoliang |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: 075000, No. 9, commercial street, Wanquan Town, Wanquan County, Hebei, Zhangjiakou, China Patentee after: Liu Quanzhi Address before: Wenqiao town Wenling city Taizhou City, Zhejiang province 317527 Xing Chang Road 25 Building No. 5 Patentee before: Shi Zhongtian |
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| 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: 20160928 Termination date: 20181111 |