CN201032292Y - Vacuum tube for solar water heater - Google Patents
Vacuum tube for solar water heater Download PDFInfo
- Publication number
- CN201032292Y CN201032292Y CNU2007200672733U CN200720067273U CN201032292Y CN 201032292 Y CN201032292 Y CN 201032292Y CN U2007200672733 U CNU2007200672733 U CN U2007200672733U CN 200720067273 U CN200720067273 U CN 200720067273U CN 201032292 Y CN201032292 Y CN 201032292Y
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- CN
- China
- Prior art keywords
- pipe
- tube
- heat
- heat absorption
- vacuum
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
- F24S40/46—Maintaining vacuum, e.g. by using getters
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model relates to a vacuum pipe of a solar-energy heater. The clearance of the neighboring vacuum of the existing solar-energy heater is too large, leading to a problem of low efficiency of photo-thermal conversion; in order to solve the problem, the utility model made a technical scheme that: a solar-energy vacuum comprises an outer glass pipe, a heat absorption inner pipe and an inner cavity pipe; the heat absorption pipe is positioned inside the outer glass pipe; the heat absorption pipe is coated with selective coating; the inner cavity pipe is arranged inside the heat absorption pipe; the front end of the inner cavity is sealed by welding; the front end of the outer glass pipe is welded together the front end of the heat absorption inner pipe; the front part of the outer glass pipe is a plug segment; the diameter of the other part of the outer glass pipe is larger than that of the plug segment; the end of the heat absorption is welded together with the end of the inner cavity pipe; the diameter of the part where the heat absorption inner pipe plugging into the plug segment is less than that of other part on the heat absorption pipe. The utility model has the beneficial effect of improving heat efficiency of vacuum pipes with good performance of cold resistance, sparing influence of high temperature on getter during process.
Description
Technical field
The utility model relates to field of solar energy, relates in particular to a kind of solar water heater vacuum-tube.
Background technology
Vacuum tube is the core component that solar water heater carries out the photo-thermal conversion, prior solar water heater is in order to satisfy the mechanical strength of water tank, reliability, the feasibility requirement of technology, between the adjacent vacuum tube 23-25 mm clearance need be arranged on it, cause its photo-thermal conversion efficiency low, and when the temperature in the pipe in its heat absorption is higher than environment temperature, each fulcrum that is used to support the elastic circlip of pipe in absorbing heat all can conduct heat energy from inside to outside, the partial heat energy of gathering conversion is lost, the thermal efficiency of vacuum tube is descended, and at cold region even can freeze broken vacuum tube, and its getter is fixed on the afterbody of outer layer glass tube mostly, adds to make man-hour the characteristic of getter be subjected to temperatures involved.
Summary of the invention
This practical new purpose provides a kind of solar water heater vacuum-tube, and it is too big to have solved between the adjacent vacuum tube of existing solar water heater the gap, causes the low problem of its photo-thermal conversion efficiency.
The technical scheme that realizes above-mentioned purpose is:
A kind of solar water heater vacuum-tube, comprise outer layer glass tube, pipe in the heat absorption, lumen tube, the front portion of described outer layer glass tube is for inserting the inserting section in the water tank, the tail end of outer layer glass tube is provided with vacuum heat-insulation chamber pumping mouth, the diameter of described inserting section is less than the diameter of outer layer glass tube remainder, pipe is positioned at the cover glass pipe in the described heat absorption, the outer surface of pipe is coated with selective heat absorbing coating in the heat absorption, pipe is positioned at the diameter of part of described inserting section less than the diameter of its remainder in the heat absorption, described lumen tube is positioned at the heat absorption pipe, the front end welding sealing of lumen tube, the lumen tube afterbody has heat insulated tube, the front end welding of pipe in the front end of described outer layer glass tube and the described heat absorption, the tail end of pipe and the tail end welding of described lumen tube in the described heat absorption, cavity in described outer layer glass tube and the described heat absorption between the pipe is the vacuum heat-insulation chamber, cavity in the described heat absorption between pipe and the described lumen tube is transition heat accumulation chamber, described lumen tube is interior for falling the thermal capacitance vacuum chamber, the tail end in described vacuum heat-insulation chamber is provided with elastic support I, described elastic support I is positioned at outside the described heat insulated tube, described transition heat accumulation is provided with elastic support II in the chamber, described elastic support II is positioned at described lumen tube front end, described falling is provided with the travel(l)ing rest that can be free to slide along its chamber wall in the thermal capacitance vacuum chamber, be fixed with getter on the described travel(l)ing rest, described vacuum heat-insulation chamber, thermal capacitance vacuum chamber exhaust sealing falls.
Described selective heat absorbing coating is used for transform light energy is become heat energy; The diameter of outer layer glass tube remainder is greater than the diameter of described inserting section, under the prerequisite of the feasibility of protecting anasarca with shortness of breath punch-out equipment tool intensity, reliability, technology, gap between the adjacent vacuum tube is reduced to 2 millimeter from existing 23-25 person of outstanding talent rice, the photo-thermal conversion efficiency of solar water heater's complete machine is increased substantially; Transition heat accumulation chamber is in order to temporary transient storage heat energy; Fall the thermal capacitance vacuum chamber dischargeable capacity in transition heat accumulation chamber is reduced, improve heat utilization efficiency, thereby improve the thermal efficiency of vacuum tube; Described heat insulated tube stops interior pipe of heat absorption and environment to transmit by elastic support I heat; Described travel(l)ing rest can make getter add man-hour away from high temperature heat source, and is unaffected with protection getter characteristic.
The utlity model has following beneficial effect:
Fall the thermal capacitance vacuum chamber dischargeable capacity in transition heat accumulation chamber is reduced, improve heat utilization efficiency, thereby improved the thermal efficiency of vacuum tube; Heat insulated tube must use, and has improved the thermal efficiency of the vacuum tube thermal efficiency, complete machine, has especially improved the cold tolerance of vacuum tube; Travel(l)ing rest makes getter add man-hour away from high temperature heat source, and protection getter characteristic is unaffected.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1 described solar water heater vacuum-tube;
Fig. 2 is the structural representation of the utility model embodiment 2 described solar water heater vacuum-tubes;
Fig. 3 is the structural representation of the utility model embodiment 3 described solar water heater vacuum-tubes;
Fig. 4 is the structural representation of the utility model embodiment 4 described solar water heater vacuum-tubes;
Fig. 5 is the structural representation of the utility model embodiment 5 described solar water heater vacuum-tubes;
Fig. 6 is the structural representation of the utility model embodiment 6 described solar water heater vacuum-tubes;
Fig. 7 is the structural representation of the utility model embodiment 7 described solar water heater vacuum-tubes;
Fig. 8 is the structural representation of the utility model embodiment 8 described solar water heater vacuum-tubes;
Fig. 9 is the structural representation of the utility model embodiment 9 described solar water heater vacuum-tubes.
Among the figure:
101, outer layer glass tube; 102, pipe in the heat absorption; 103, lumen tube; 104, inserting section; 105, vacuum heat-insulation chamber; 106, transition heat accumulation chamber; 107, the thermal capacitance vacuum chamber falls; 108, elastic support I; 109, elastic support II; 110, travel(l)ing rest; 111, vacuum insulation chamber pumping mouth; 201, outer layer glass tube; 202, pipe in the heat absorption; 203, lumen tube; 204, inserting section; 205, vacuum heat-insulation chamber; 206, transition heat accumulation chamber; 207, the thermal capacitance vacuum chamber falls; 208, elastic support I; 209, elastic support II; 210, travel(l)ing rest; 211, heat insulated tube; 212, vacuum insulation chamber pumping mouth; 213, welded ring; 301, outer layer glass tube; 302, pipe in the heat absorption; 303, lumen tube; 304, inserting section; 305, vacuum heat-insulation chamber; 306, transition heat accumulation chamber; 307, the thermal capacitance vacuum chamber falls; 308, elastic support I; 309, elastic support II; 310, travel(l)ing rest; 311, heat insulated tube; 312, vacuum insulation chamber pumping mouth; 313, welded ring; 401, outer layer glass tube; 402, pipe in the heat absorption; 403, lumen tube; 404, inserting section; 405, vacuum heat-insulation chamber; 406, transition heat accumulation chamber; 407, the thermal capacitance vacuum chamber falls; 408, elastic support I; 409, elastic support II; 410, travel(l)ing rest; 411, heat insulated tube; 412, vacuum insulation chamber pumping mouth; 413, welded ring; 501, outer layer glass tube; 502, pipe in the heat absorption; 503, lumen tube; 504, inserting section; 505, vacuum heat-insulation chamber; 506, transition heat accumulation chamber; 507, the thermal capacitance vacuum chamber falls; 508, elastic support I; 509, elastic support II; 510, travel(l)ing rest; 511, vacuum insulation chamber pumping mouth; 512, heat-conducting medium; 513, heat accumulation chamber exhaust nozzle; 514, welded ring; 601, outer layer glass tube; 602, pipe in the heat absorption; 603, lumen tube; 604, inserting section; 605, vacuum heat-insulation chamber; 606, transition heat accumulation chamber; 607, the thermal capacitance vacuum chamber falls; 608, elastic support I; 609, elastic support II; 610, travel(l)ing rest; 611, welded ring I; 612, vacuum insulation chamber pumping mouth; 613, heat-conducting medium; 614, heat accumulation chamber exhaust nozzle; 615, welded ring II; 701, outer layer glass tube; 702, pipe in the heat absorption; 703, lumen tube; 704, inserting section; 705, vacuum heat-insulation chamber; 706, transition heat accumulation chamber; 707, the thermal capacitance vacuum chamber falls; 708, elastic support I; 709, elastic support II; 710, travel(l)ing rest; 711, heat insulated tube; 712, vacuum insulation chamber pumping mouth; 713, welded ring I; 714, heat accumulation chamber exhaust nozzle; 715, welded ring II; 716, heat-conducting medium; 801, outer layer glass tube; 802, pipe in the heat absorption; 803, lumen tube; 804, inserting section; 805, vacuum heat-insulation chamber; 806, transition heat accumulation chamber; 807, the thermal capacitance vacuum chamber falls; 808, elastic support I; 809, elastic support II; 810, travel(l)ing rest; 811, heat insulated tube; 812, vacuum insulation chamber pumping mouth; 813, welded ring I; 814, heat accumulation chamber exhaust nozzle; 815, welded ring II; 816, heat-conducting medium; 901, outer layer glass tube; 902, pipe in the heat absorption; 903, lumen tube; 904, inserting section; 905, vacuum heat-insulation chamber; 906, transition heat accumulation chamber; 907, the thermal capacitance vacuum chamber falls; 908, elastic support I; 909, elastic support II; 910, travel(l)ing rest; 911, heat insulated tube; 912, vacuum insulation chamber pumping mouth; 913, welded ring I; 914, heat accumulation chamber exhaust nozzle; 915, welded ring II; 916, heat-conducting medium.
The specific embodiment
Embodiment 1:
The described solar water heater vacuum-tube of present embodiment, comprise outer layer glass tube, pipe in the heat absorption, lumen tube, the front portion of outer layer glass tube is for inserting the inserting section in the water tank, the tail end of outer layer glass tube is provided with vacuum heat-insulation chamber pumping mouth, the diameter of inserting section is less than the diameter of outer layer glass tube remainder, pipe is positioned at the cover glass pipe in the heat absorption, the outer surface of pipe is coated with selective heat absorbing coating in the heat absorption, pipe is positioned at the diameter of part of described inserting section less than the diameter of its remainder in the heat absorption, lumen tube is positioned at the heat absorption pipe, the front end welding sealing of lumen tube, the front end welding of pipe in the front end of outer layer glass tube and the heat absorption, the tail end of pipe and the tail end welding of lumen tube in the heat absorption, cavity in outer layer glass tube and the heat absorption between the pipe is the vacuum heat-insulation chamber, cavity in the heat absorption between pipe and the lumen tube is transition heat accumulation chamber, lumen tube is interior for falling the thermal capacitance vacuum chamber, the tail end in vacuum heat-insulation chamber is provided with elastic support I, elastic support I is positioned at outside the heat absorption pipe, the transition heat accumulation is provided with elastic support II in the chamber, elastic support II is positioned at the lumen tube front end, fall and be provided with the travel(l)ing rest that can be free to slide along its chamber wall in the thermal capacitance vacuum chamber, be fixed with getter on the travel(l)ing rest, the vacuum heat-insulation chamber, thermal capacitance vacuum chamber exhaust sealing falls.
Embodiment 2:
The part of embodiment 1 is formed structure change the structure that is present embodiment after the following structure into: the tail end welding in lumen tube has heat insulated tube, the flexible bracket I of heat insulated tube peripheral hardware, and heat insulated tube, elastic support I are positioned at outer layer glass tube.
Embodiment 3:
The part of embodiment 1 is formed structure change the structure that is present embodiment after the following structure into: the tail end of pipe and lumen tube are in the welding of welded ring place in the heat absorption, the tail end of outer layer glass tube and heat insulated tube are in the afterbody welding of heat insulated tube, the tail end of heat insulated tube is provided with vacuum insulation chamber pumping mouth, the heat insulated tube snare constitutes double-deck isolation structure outside the lumen tube afterbody, heat insulated tube is provided with elastic support I between lumen tube.
Embodiment 4:
The part of embodiment 3 is formed structure change the structure that is present embodiment after the following structure into: heat insulated tube is positioned at outer layer glass tube, the front end of heat insulated tube and lumen tube are in the welding of welded ring place, heat insulated tube and lumen tube afterbody constitute double-deck isolation structure, and elastic support I is positioned at outside the heat insulated tube.
Embodiment 5:
The part of embodiment 1 is formed structure change the structure that is present embodiment after the following structure into: pipe is in the welding of welded ring place in the front end of outer layer glass tube and the heat absorption, the interior pipe that absorbs heat after the pipe welding in the front end of outer layer glass tube and the heat absorption also has an outside extension, pipe inside is placed with the heat conduction with phase change medium in heat absorption, the front end of pipe vacuumizes and seals in heat absorption, and the front end of pipe is provided with heat accumulation chamber exhaust nozzle in the heat absorption.
Embodiment 6:
The part of embodiment 5 is formed structure change the structure that is present embodiment after the following structure into: the tail end of pipe and lumen tube are in welded ring I place's welding in the heat absorption, and the front portion of lumen tube is positioned at outside the pipe that absorbs heat, the flexible bracket I of anterior peripheral hardware of lumen tube.
Embodiment 7:
The part of embodiment 5 is formed structure change the structure that is present embodiment after the following structure into: the tail end welding in lumen tube has heat insulated tube, the flexible bracket I of heat insulated tube peripheral hardware, and heat insulated tube, elastic support I are positioned at outer layer glass tube.
Embodiment 8:
The part of embodiment 5 is formed structure change the structure that is present embodiment after the following structure into: the tail end of pipe and lumen tube are in welded ring I place's welding in the heat absorption, the tail end of outer layer glass tube and heat insulated tube are in the afterbody welding of heat insulated tube, the tail end of heat insulated tube is provided with vacuum insulation chamber pumping mouth, the heat insulated tube snare constitutes double-deck isolation structure outside the lumen tube afterbody, heat insulated tube is provided with elastic support I between lumen tube.
Embodiment 9:
The part of embodiment 8 is formed structure change the structure that is present embodiment after the following structure into: heat insulated tube is positioned at outer layer glass tube, the front end of heat insulated tube and lumen tube are in the II of welded ring place welding, heat insulated tube and lumen tube afterbody constitute double-deck isolation structure, and elastic support I is positioned at outside the heat insulated tube.
Claims (5)
1. solar water heater vacuum-tube, comprise outer layer glass tube, pipe in the heat absorption, lumen tube, pipe is positioned at the cover glass pipe in the described heat absorption, the outer surface of pipe is coated with selective heat absorbing coating in the heat absorption, described lumen tube is positioned at the heat absorption pipe, the front end welding sealing of lumen tube, the front end welding of pipe in the front end of described outer layer glass tube and the described heat absorption, the tail end of pipe and the tail end welding of described lumen tube in the described heat absorption, it is characterized in that: the front portion of described outer layer glass tube is an inserting section, the diameter of outer layer glass tube remainder is greater than the diameter of described inserting section, and pipe is positioned at the diameter of part of described inserting section less than the diameter of its remainder in the described heat absorption.
2. solar water heater vacuum-tube according to claim 1, it is characterized in that: also comprise, described lumen tube afterbody has heat insulated tube, described heat insulated tube is that double-decker also can be single layer structure, described heat insulated tube is positioned at outer layer glass tube, is provided with elastic support I between heat insulated tube and outer layer glass tube.
3. solar water heater vacuum-tube according to claim 1, it is characterized in that: be provided with elastic support II between the pipe in described lumen tube and the described heat absorption, described elastic support II is positioned at described lumen tube front end, and the tail end of described outer layer glass tube is provided with vacuum heat-insulation chamber pumping mouth.
4. solar water heater vacuum-tube according to claim 1 is characterized in that: be provided with travel(l)ing rest in the described lumen tube, be fixed with getter on the described travel(l)ing rest.
5. solar water heater vacuum-tube according to claim 1, it is characterized in that: also comprise, the interior pipe that absorbs heat after the pipe welding in the front end of described outer layer glass tube and the heat absorption also has an outside extension, pipe inside is placed with the heat conduction with phase change medium in heat absorption, and the front end of pipe vacuumizes and seals in heat absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200672733U CN201032292Y (en) | 2007-02-13 | 2007-02-13 | Vacuum tube for solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200672733U CN201032292Y (en) | 2007-02-13 | 2007-02-13 | Vacuum tube for solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201032292Y true CN201032292Y (en) | 2008-03-05 |
Family
ID=39164182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200672733U Expired - Fee Related CN201032292Y (en) | 2007-02-13 | 2007-02-13 | Vacuum tube for solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201032292Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375934A (en) * | 2013-05-03 | 2013-10-30 | 李佳雪 | Internal reflective evacuated collector tube, forming device and close-packed collector |
-
2007
- 2007-02-13 CN CNU2007200672733U patent/CN201032292Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375934A (en) * | 2013-05-03 | 2013-10-30 | 李佳雪 | Internal reflective evacuated collector tube, forming device and close-packed collector |
| CN103375934B (en) * | 2013-05-03 | 2015-11-04 | 李佳雪 | Interior reflecting type vacuum heat collection pipe, shaped device and solid matter heat collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sanhe Hualong New Energy Co., Ltd. Assignor: Li Chunxin|Jia Chuanjie|Li Jiaxue|Chen Guangshan Contract fulfillment period: 2007.12.17 to 2017.7.18 Contract record no.: 2009990000200 Denomination of utility model: Vacuum pipe explosion leakage-proof system of solar water heater Granted publication date: 20080305 License type: Exclusive license Record date: 20090320 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.17 TO 2017.7.18; CHANGE OF CONTRACT Name of requester: SANHE HUALONG NEW ENERGY CO., LTD Effective date: 20090320 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Sanhe Hualong New Energy Co., Ltd. Assignor: Li Chunxin|Jia Chuanjie|Li Jiaxue|Chen Guangshan Contract record no.: 2009990000200 Date of cancellation: 20100315 |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: CHEN GUANGSHAN LI CHUNXIN Owner name: GUANGZHOU DEXING SOLAR ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI JIAXUE Effective date: 20110915 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200082 YANGPU, SHANGHAI TO: 510450 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110915 Address after: 3 first floor -3, 1, 510450, 3 and 5, Sheng Sheng Road, Baiyun District, Guangdong, Guangzhou Patentee after: Guangzhou Dexing Solar Energy Technology Co.,Ltd. Address before: Yangpu District Huansha village six 200082 Shanghai City No. 25 room 702 Co-patentee before: Chen Guangshan Patentee before: Li Jiaxue Co-patentee before: Li Chunxin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20140213 |