CN108278783B - Safe efficient solar water heater - Google Patents
Safe efficient solar water heater Download PDFInfo
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- CN108278783B CN108278783B CN201810092182.8A CN201810092182A CN108278783B CN 108278783 B CN108278783 B CN 108278783B CN 201810092182 A CN201810092182 A CN 201810092182A CN 108278783 B CN108278783 B CN 108278783B
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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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Abstract
The invention discloses a safe and efficient solar water heater which comprises a cold water tank, a hot water tank, a solar heat collector and a support, wherein the solar heat collector is arranged on the support, and two ends of the solar heat collector are respectively connected with the cold water tank and the hot water tank.
Description
Technical Field
The invention relates to the field of solar energy, in particular to a safe and efficient solar water heater.
Background
The importance of new renewable energy sources has grown due to unstable oil prices, limitations of climate change protocols, and the like. Renewable energy sources include solar heat, sunlight, biomass energy, wind power, small hydropower, geothermal energy, ocean energy, waste energy, and the like, while new energy sources include fuel cells, liquefied coal, gasified coal, and hydrogen energy. The problem is that the cost from new renewable energy sources, particularly solar power, does not reach a grid price equivalent to the cost of traditional thermal power generation using fossil fuels. However, with the progress of the technology, the cost of power generation is continuously reduced and the power generation efficiency is gradually improved from the solar heat power generation among new renewable energy sources.
The conversion of solar energy into heat energy relies primarily on heat collectors. At present, the solar heat collector mainly comprises a vacuum tube heat collector, a heat pipe heat collector and a vacuum flat plate heat collector.
The existing solar water heater adopts a vacuum tube heat collector, the solar vacuum tube is made of glass materials in order to realize high temperature resistance, however, the solar vacuum tube made of glass materials is easy to crack and is not easy to move, therefore, potential safety hazards exist, and a safe and efficient solar water heater needs to be provided urgently.
Disclosure of Invention
The invention aims to solve the technical problems that a vacuum tube solar heat collector is easy to break and inconvenient to transport, and provides a safe and efficient solar water heater which obviously improves the safety of the solar water heater.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a safe and efficient solar water heater, which comprises a cold water tank, a hot water tank, a solar heat collector and a bracket, wherein the solar heat collector is arranged on the bracket, and two ends of the solar heat collector are respectively connected with the cold water tank and the hot water tank;
each solar heat collecting tube comprises an outer metal tube and an inner glass tube, the inner glass tube faces the sun, the outer metal tube is arranged on the back of the inner glass tube, a gap is formed between the outer metal tube and the inner glass tube, a Y-shaped frame for supporting the inner glass tube is arranged in the gap, one end of the Y-shaped frame is welded on the inner wall of the outer metal tube, the other end of the Y-shaped frame is clamped on the outer wall of the inner glass tube, the outer metal tube comprises at least two metal plates, the cross section of each metal plate is an arc-shaped cross section, the two metal plates are symmetrically arranged on two sides of the back of the inner glass tube, at least three Y-shaped frames are uniformly arranged on each metal plate along the length direction, two ends of each metal plate are clamped and fixed with two ends of the inner glass tube, and grooves are arranged at two end heads of the inner glass tube, clamping rings are respectively arranged at two ends of each metal plate and are clamped in the grooves, and a force storage spring is arranged on the inner glass tube between each clamping ring and each groove; a reflective coating is coated on the inner wall of each metal plate;
the section of the inner glass tube is a triangular section, one surface of the triangular section where the bottom edge is located faces the sun, the inner glass tube at least comprises three straight tube sections and three corrugated tube sections, the straight tube sections and the corrugated tube sections are alternately distributed, the straight tube sections and the corrugated tube sections are sequentially connected end to end, the corrugated tube sections are arranged at two ends of the inner glass tube, the wave troughs of the corrugations form the grooves, and each Y-shaped frame is just clamped in the wave trough of the corrugated tube section;
the outer metal tube can rotate around the inner glass tube through the clamping ring and the Y-shaped frame, a gap is formed between the two metal plates, when the outer metal tube faces the sun, the gap is just positioned in the shadow of the inner glass tube, and the two metal plates can receive sunlight which is not shielded by the inner glass tube;
the outer metal tube is controlled by the motor to rotate around the inner glass tube, the initial position of the outer metal tube is located in the west and faces the east, the force storage spring does not store force at the moment, the final position of the outer metal tube is located in the east and faces the west, the force storage spring is pressed, when the outer metal tube rotates to the final position, the motor is controlled to be powered off, and the outer metal tube returns to the initial position under the action of the force storage spring.
Preferably, the lengths of the straight pipe sections and the corrugated pipe sections are unequal, the lengths of at least three straight pipe sections are gradually shortened along the water flow direction, and the lengths of at least three corrugated pipe sections are gradually lengthened along the water flow direction.
Preferably, the motor is controlled by a timer, the timing period of the timer is 12 hours, from 6 am to 18 pm, the timer controls the motor to be powered on at 6 am, and the timer controls the motor to be powered off at 18 pm.
Preferably, the number of the Y-shaped frames is not equal to the number of the bellows sections, the number of the bellows sections is 2 more than the number of the Y-shaped frames, and both the number of the bellows sections and the number of the bellows sections are more than 3.
Preferably, the material of the metal plate is selected from steel or an alloy.
Preferably, the reflective coating comprises a reflection of light having a wavelength below 1100 μm with a degree of reflection of 0.7 to 0.9, and the reflective coating comprises indium tin oxide.
Has the advantages that:
(1) the outer metal pipe is arranged on the outer side of the solar heat collecting pipe, so that the strength of the solar heat collecting pipe is enhanced, and the transportation property and convenience of the solar heat collecting pipe are improved;
(2) the inner glass tube of the solar heat collecting tube comprises a straight tube section and a corrugated section, and the inner glass tube can expand and extend properly when the temperature rises due to the arrangement of the corrugated section, so that high-temperature burst is avoided, and the safety of the solar heat collecting tube is improved;
(3) the two metal plates of the outer metal tube can rotate around the inner glass tube under the control of the motor, and reflect sunlight at an optimal angle all the time, so that the heat collection efficiency of the solar heat collector is improved;
(4) the motor is controlled by a timer, each period is 12 hours, when the motor reaches the final position, the motor is powered off, and the two metal plates of the outer metal pipe return to the initial position under the action of the power storage spring, so that the electric power is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a safe and efficient solar water heater according to the present invention;
FIG. 2 is a schematic structural view of any one of the solar heat collection tubes of the present invention;
FIG. 3 is a schematic cross-sectional view of any one of the solar collector tubes of the present invention;
FIG. 4 is a schematic structural diagram of the Y-shaped frame of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 4, the safe and efficient solar water heater provided by the invention comprises a cold water tank 1, a hot water tank 2, a solar heat collector 3 and a bracket 4, wherein the solar heat collector 3 is arranged on the bracket 4, and two ends of the solar heat collector 3 are respectively connected with the cold water tank 1 and the hot water tank 2, and the safe and efficient solar water heater is characterized in that the cold water tank 1 is arranged at the upper end of the bracket 4, the hot water tank 2 is arranged at the lower end of the bracket 4, the solar heat collector 3 comprises a plurality of solar heat collecting pipes 5, the upper end of each solar heat collecting pipe 5 is inserted into the cold water tank 1, and the lower end of each solar heat collecting pipe 5 is inserted into the hot water tank 2;
each solar heat collecting tube 5 comprises an outer metal tube 6 and an inner glass tube 7, the inner glass tube 7 faces the sun, the outer metal tube 6 is arranged at the back of the inner glass tube 7, a gap is arranged between the outer metal tube 6 and the inner glass tube 7, a Y-shaped frame 8 for supporting the inner glass tube is arranged in the gap, one end of the Y-shaped frame 8 is welded on the inner wall of the outer metal tube 6, the other end of the Y-shaped frame 8 is clamped on the outer wall of the inner glass tube 7, the outer metal tube 6 comprises at least two metal plates 9 (only one is shown in figure 2 for view reasons, one on the other side is not shown), the section of each metal plate 9 is an arc-shaped section, the two metal plates 9 are symmetrically arranged at two sides of the back of the inner glass tube 7, and at least three Y-shaped frames 8 are uniformly arranged on each metal plate 9 along the length direction, two ends of each metal plate 9 are fixedly clamped with two ends of the inner glass tube 7, grooves are formed in the end heads of the two ends of the inner glass tube 7, clamping rings 10 are respectively arranged at two ends of each metal plate 9, the clamping rings 10 are clamped in the grooves, and a force storage spring (not shown) is arranged on the inner glass tube between each clamping ring 10 and the groove; a reflective coating is applied to the inner wall of each of the metal plates 9;
the section of the inner glass tube 7 is a triangular section, one surface of the triangular section where the bottom edge is located faces the sun, the inner glass tube at least comprises three straight tube sections 11 and three corrugated tube sections 12, the straight tube sections 11 and the corrugated tube sections 12 are alternately distributed, the straight tube sections 11 and the corrugated tube sections 12 are sequentially connected end to end, the corrugated tube sections 12 are arranged at two ends of the inner glass tube 7, the wave troughs of the waves form the grooves, and each Y-shaped frame 8 is just clamped in the wave trough of the corrugated tube section;
the outer metal tube 6 can rotate around the inner glass tube 7 through the clamping ring 10 and the Y-shaped frame 8, a gap is arranged between the two metal plates 9, when the metal plates face the sun, the gap is just positioned in the shadow of the inner glass tube, and the two metal plates 9 can receive sunlight which is not shielded by the inner glass tube;
the outer metal tube 6 is controlled by a motor to rotate around the inner glass tube 7, the initial position of the outer metal tube 6 is located in the west and faces the east, the force storage spring does not store force at the moment, the final position of the outer metal tube 6 is located in the east and faces the west, the force storage spring is pressed, when the outer metal tube rotates to the final position, the motor is controlled to be powered off, and the outer metal tube 6 returns to the initial position under the action of the force storage spring.
Preferably, the lengths of the straight pipe sections and the corrugated pipe sections are unequal, the lengths of at least three straight pipe sections are gradually shortened along the water flow direction, and the lengths of at least three corrugated pipe sections are gradually lengthened along the water flow direction.
Preferably, the motor is controlled by a timer, the timing period of the timer is 12 hours, from 6 am to 18 pm, the timer controls the motor to be powered on at 6 am, and the timer controls the motor to be powered off at 18 pm.
Preferably, the number of the Y-shaped frames 8 is not equal to the number of the bellows segments, and the number of the bellows segments 12 is 2 more than the number of the Y-shaped frames, and both are more than 3.
Preferably, the material of the metal plate 9 is selected from steel or an alloy.
Preferably, the reflective coating comprises a reflection of light having a wavelength below 1100 μm with a degree of reflection of 0.7 to 0.9, and the reflective coating comprises indium tin oxide.
The working process of the invention is as follows:
(1) the outer metal pipe is arranged on the outer side of the solar heat collecting pipe, so that the strength of the solar heat collecting pipe is enhanced, and the transportation property and convenience of the solar heat collecting pipe are improved;
(2) the inner glass tube of the solar heat collecting tube comprises a straight tube section and a corrugated section, and the inner glass tube can expand and extend properly when the temperature rises due to the arrangement of the corrugated section, so that high-temperature burst is avoided, and the safety of the solar heat collecting tube is improved;
(3) the two metal plates of the outer metal tube can rotate around the inner glass tube under the control of the motor, and reflect sunlight at an optimal angle all the time, so that the heat collection efficiency of the solar heat collector is improved;
(4) the motor is controlled by a timer, each period is 12 hours, when the motor reaches the final position, the motor is powered off, and the two metal plates of the outer metal pipe return to the initial position under the action of the power storage spring, so that the electric power is saved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. A solar water heater comprises a cold water tank, a hot water tank, a solar heat collector and a bracket, wherein the solar heat collector is arranged on the bracket, and two ends of the solar heat collector are respectively connected with the cold water tank and the hot water tank;
each solar heat collecting tube comprises an outer metal tube and an inner glass tube, the inner glass tube faces the sun, the outer metal tube is arranged on the back of the inner glass tube, a gap is formed between the outer metal tube and the inner glass tube, a Y-shaped frame for supporting the inner glass tube is arranged in the gap, one end of the Y-shaped frame is welded on the inner wall of the outer metal tube, the other end of the Y-shaped frame is clamped on the outer wall of the inner glass tube, the outer metal tube comprises at least two metal plates, the cross section of each metal plate is an arc-shaped cross section, the two metal plates are symmetrically arranged on two sides of the back of the inner glass tube, at least three Y-shaped frames are uniformly arranged on each metal plate along the length direction, two ends of each metal plate are clamped and fixed with two ends of the inner glass tube, and grooves are arranged at two end heads of the inner glass tube, clamping rings are respectively arranged at two ends of each metal plate and are clamped in the grooves, and a force storage spring is arranged on the inner glass tube between each clamping ring and each groove; a reflective coating is coated on the inner wall of each metal plate;
the section of the inner glass tube is a triangular section, one surface of the triangular section where the bottom edge is located faces the sun, the inner glass tube at least comprises three straight tube sections and three corrugated tube sections, the straight tube sections and the corrugated tube sections are alternately distributed, the straight tube sections and the corrugated tube sections are sequentially connected end to end, the corrugated tube sections are arranged at two ends of the inner glass tube, the wave troughs of the corrugated tube sections form the grooves, and each Y-shaped frame is just clamped in the wave trough of the corrugated tube section;
the outer metal tube can rotate around the inner glass tube through the clamping ring and the Y-shaped frame, a gap is formed between the two metal plates, when the outer metal tube faces the sun, the gap is just positioned in the shadow of the inner glass tube, and the two metal plates can receive sunlight which is not shielded by the inner glass tube;
the outer metal tube is controlled by the motor to rotate around the inner glass tube, the initial position of the outer metal tube is located in the west and faces the east, the force storage spring does not store force at the moment, the final position of the outer metal tube is located in the east and faces the west, the force storage spring is pressed tightly at the moment, when the outer metal tube rotates to the final position, the motor is controlled to be powered off, and the outer metal tube returns to the initial position under the action of the force storage spring;
the lengths of the straight pipe sections and the corrugated pipe sections are unequal, the lengths of at least three straight pipe sections are gradually shortened along the water flow direction, and the lengths of at least three corrugated pipe sections are gradually lengthened along the water flow direction;
the number of the Y-shaped frames is not equal to that of the corrugated pipe sections, the number of the corrugated pipe sections is 2 more than that of the Y-shaped frames, and the number of the corrugated pipe sections is more than 3.
2. A solar water heater according to claim 1, said motor being controlled by a timer, said timer having a timing period of 12 hours, from 6 am to 18 pm, said timer controlling the motor to be energized at 6 am, said timer controlling the motor to be de-energized at 18 pm.
3. A solar water heater according to claim 1, wherein the metal plate is made of a material selected from steel and an alloy.
4. A solar water heater according to claim 1, said reflective coating comprising a reflection of light having a wavelength below 1100 μm with a degree of reflection of 0.7-0.9, said reflective coating comprising indium tin oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092182.8A CN108278783B (en) | 2018-01-30 | 2018-01-30 | Safe efficient solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092182.8A CN108278783B (en) | 2018-01-30 | 2018-01-30 | Safe efficient solar water heater |
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| Publication Number | Publication Date |
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| CN108278783A CN108278783A (en) | 2018-07-13 |
| CN108278783B true CN108278783B (en) | 2020-10-02 |
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| CN201810092182.8A Active CN108278783B (en) | 2018-01-30 | 2018-01-30 | Safe efficient solar water heater |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4523575A (en) * | 1983-06-24 | 1985-06-18 | Phillips Petroleum Co. | Collector means for solar energy collecting system |
| CN2360806Y (en) * | 1998-07-25 | 2000-01-26 | 黄永年 | Automatic feeding solar water heater |
| CN200979304Y (en) * | 2006-12-06 | 2007-11-21 | 北京天普太阳能工业有限公司 | Direct-through type whole-glass vacuum heat-collecting tube solar energy water heater |
| CN202660767U (en) * | 2012-05-25 | 2013-01-09 | 合肥科院太阳能技术有限公司 | Novel solar water heater |
| CN104567026A (en) * | 2015-02-05 | 2015-04-29 | 南京诚远太阳能科技有限公司 | Solar thermal collector and method for converting solar energy into mesothermal heat energy by utilizing same |
-
2018
- 2018-01-30 CN CN201810092182.8A patent/CN108278783B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4523575A (en) * | 1983-06-24 | 1985-06-18 | Phillips Petroleum Co. | Collector means for solar energy collecting system |
| CN2360806Y (en) * | 1998-07-25 | 2000-01-26 | 黄永年 | Automatic feeding solar water heater |
| CN200979304Y (en) * | 2006-12-06 | 2007-11-21 | 北京天普太阳能工业有限公司 | Direct-through type whole-glass vacuum heat-collecting tube solar energy water heater |
| CN202660767U (en) * | 2012-05-25 | 2013-01-09 | 合肥科院太阳能技术有限公司 | Novel solar water heater |
| CN104567026A (en) * | 2015-02-05 | 2015-04-29 | 南京诚远太阳能科技有限公司 | Solar thermal collector and method for converting solar energy into mesothermal heat energy by utilizing same |
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| CN108278783A (en) | 2018-07-13 |
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Effective date of registration: 20200908 Address after: No.1 Wangxi Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province (Fortune Building) b2012 Applicant after: Suzhou Leying Technology Consulting Co., Ltd Address before: Room 640, No. 9 Building, Louvre Mansion Phase I, 19 Yongping Road, Jinshui District, Zhengzhou City, Henan Province Applicant before: Wang Jijun |
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