CN103438595B - Solar water heater wind energy motive power pipeline water circulation defroster - Google Patents
Solar water heater wind energy motive power pipeline water circulation defroster Download PDFInfo
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- CN103438595B CN103438595B CN201310350193.9A CN201310350193A CN103438595B CN 103438595 B CN103438595 B CN 103438595B CN 201310350193 A CN201310350193 A CN 201310350193A CN 103438595 B CN103438595 B CN 103438595B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 230000002528 anti-freeze Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005296 abrasive Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
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
Abstract
The invention discloses a kind of solar water heater wind energy motive power pipeline water circulation defroster, comprise solar storage water tank, the solar heat-collection plate be connected with solar storage water tank, mechanical water pump, linkage valve, outlet valve, enter water valve, control system, battery and wind power generation system; Wherein solar storage water tank, mechanical water pump and linkage valve connect successively, form circulating line; Circulating line also connects into water valve and outlet valve; Control system is connected with wind power generation system, battery, outlet valve, water intaking valve and linkage valve, control system, according to the state of outlet valve and water intaking valve, controls the folding of linkage valve and controls wind power generation system and be optionally connected with in battery with mechanical water pump.The present invention utilizes the mechanical pump operation in wind energy driving gearbox drive pipeline, makes the inner water flow that circulates, thus reaches antifreeze effect, efficient energy-saving.
Description
Technical field
The present invention relates to technical field of solar utilization technique, particularly relate to a kind of solar water heater wind energy motive power pipeline water circulation defroster.
Background technology
Solar water heater is with its wide energy development prospect, and the support energetically of relevant government department, obtains universal and utilize in China's most area.But due to weather conditions reason, much utilize solar water heater often below reaching the freezing point temperature winter, even if Insulation does good again, to be also difficult to the remnants water freezing prevented from reaching in the pipeline of more than ten meter in area widely; Coolant-temperature gage even many times in storage tank is very high, but interior the freezing of pipeline causes cannot intaking and draining, so that the phenomenon that storage tank intensification damages and pipeline freezing and expansion breaks.Water circulation system is exactly that the remaining water in pipeline and the hot water in storage tank are formed an entirety, utilizes power cycle, makes water in pipeline not-easy-to-freeze, thus reach the object of antifreeze water-saving.There is the solar water heater of water circulation system and traditional solar water heater antifreeze emptying type device, and market occasionally has the antifreezing valve of application to compare, there is following several advantage: 1) manufacturing process is simple, only need to carry out transformation with light water Work tool just can achieve the goal, and antifreezing valve designing and manufacturing technique more complicated; 2) circulation theory is simple, does not have draining to enter water operation, makes full use of the feature that circulation two ends hydraulic pressure is equal, no matter is for SCM program control or for manual hand manipulation, simple and convenient; 3) economical environment-protective, does not drain the remaining water producing part of thawing, but recycles, decrease water resource waste.
Through finding the literature search of prior art, application number is that the Chinese invention patent application of CN201010175105.2 discloses a kind of antifreezing method of flat plate solar water heater, a water circulating pump has been set up in this invention in circulation line, time outside air temperature reaches subzero in the winter time, start water circulating pump, make the water in flat plate collector can keep circulating, avoid freezing.But this invention needs to consume electric energy due to the water pump used, and compared with the winterization system of hot type, still make use of power grid energy at the energy reducing Water in Water Tanks simultaneously; In addition this invention does not have TT&C system, is manually difficult to determine valve opening time.
Application number is that the Chinese invention patent application of CN201210256124.7 discloses a kind of solar water heater defroster, the control system of this invention utilizes temperature sensor to carry out the temperature of perception atmospheric temperature or solar water heater outlet pipe, when temperature is lower than predetermined temperature, control system starts water pump, make the water in solar water heater once carry out closed cycle through outlet pipe, water pump, return pipe, thus avoid the problem of hot water pipeline frozen block.But the water inlet pipe be communicated with storage tank in this invention and outlet conduit divide two-way, application inconsistent (normal domestic use solar water heater Inlet and outlet water regulates to facilitate output water temperature with pipeline) in this and real life, and the control system used and the energy source of water pump still rely on public electric wire net, cause the waste of the energy.
Application number is that the Chinese invention patent application of CN201110182972.3 discloses a kind of novel solar water heater defroster, in the invention, open with water pipe, water level decreasing in Siphon pot, Inlet and outlet water water pipe is got off the hot water drainage in heat collection water tank by siphonage; Make to be in anhydrous state in Inlet and outlet water water pipe by siphonage after finishing, thus reach antifreeze object.But the method manual steps is various, convenient not, and Siphon pot uses the frangible or organic material of transparent tank body to have impact to water quality.
Therefore, those skilled in the art is devoted to the water circulation defroster developing a kind of solar water heater, and energy-conserving and environment-protective, operation is simple and convenient.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of solar water heater wind energy motive power pipeline water circulation defroster, take wind energy as the running of power drive circulatory system water pump, make the inner water flow that circulates, reach antifreeze effect.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of solar water heater wind energy motive power pipeline water circulation defroster, the solar heat-collection plate comprising solar storage water tank and be connected with solar storage water tank, wherein, also comprise mechanical water pump, linkage valve, outlet valve, enter water valve, control system, battery and wind power generation system; Wherein solar storage water tank, mechanical water pump and linkage valve connect successively, form circulating line; Circulating line also connects into water valve and outlet valve; Control system is connected with wind power generation system, battery, outlet valve, water intaking valve and linkage valve, control system, according to the state of outlet valve and water intaking valve, controls the folding of linkage valve and controls wind power generation system and be optionally connected with mechanical water pump and be connected with in battery.
Further, this solar water heater wind energy motive power pipeline water circulation defroster also comprises turbogenerator, turbogenerator is connected with solar storage water tank and linkage valve, linkage valve is arranged between mechanical water pump and turbogenerator, connect Inlet and outlet water common conduit between linkage valve and turbogenerator, enter water valve and access circulating line with outlet valve by being connected parallel connection with Inlet and outlet water common conduit.
Preferably, circulating line is connected by three-way pipe with Inlet and outlet water common conduit.
Further, control system is realized by singlechip controller, wind power generation system is connected by electric-controlled engaging and disengaging gear and gear-box with mechanical water pump, the electrical signal of singlechip controller respectively with electric-controlled engaging and disengaging gear, linkage valve, enter water valve, outlet valve is connected with wind power generation system.
Further, wind power generation system comprises the Wind energy collecting device, bevel pinion, bevel gear wheel and the wind-driven generator that are connected successively, and wind-driven generator is equipped with wind-driven generator switch, bevel pinion and bevel gear wheel engagement.
Preferably, gear-box and wind-driven generator, bevel pinion is coaxial and be connected successively, bevel gear wheel and Wind energy collecting device coaxial and be interconnected.
Further, the charging end of battery is connected with the output of turbogenerator, and the generating end of battery is connected with the input of singlechip controller; The charging end of battery is also connected with the output of wind-driven generator by wind-driven generator switch.
Preferably, the tooth matching angle of bevel pinion and bevel gear wheel is 90 °.
Preferably, Wind energy collecting device collects blade realization by wind-force.
Preferably, the power of mechanical water pump is greater than 10W.
Preferably, the tip speed ratio of Wind energy collecting device is 1.
Preferably, gear-box adopts multistage deceleration gear, and gear-box speed ratio is 10:1 ~ 100:1.
Can find out, solar water heater wind energy motive power pipeline water circulation defroster of the present invention utilizes wind energy driving gearbox to drive mechanical pump operation in pipeline: in the winter time during the threshold temperature of outside air temperature lower than default, and (enter water valve and outlet valve closedown) time dry, control electric-controlled engaging and disengaging gear by singlechip controller to connect, winter outdoor wind energy is utilized to drive Wind energy collecting device successively, bevel pinion, bevel gear wheel and gear-box rotate, thus driving mechanical pump operation, make the inner water flow that circulates, reach antifreeze effect, and effectively save the energy consumption of water pump.
Further, owing to make use of water circulation system, in pipeline, in water temperature and storage tank, water temperature is close, and the water of releasing is more warm at once, does not need the cold water waited for a period of time, has saved water resource and be user-friendly to.
In addition, the normal water outlet of solar storage water tank and add in water process, ducted current are utilized to drive turbogenerator, wind power collecting device to drive wind-driven generator, be that electrical energy for storage is in battery by changes mechanical energy, for the energy consumption providing control system of the present invention to use, eliminate the unnecessary energy consumption brought by antifreeze for water circulation repacking facility.Simultaneously, the present invention also utilizes control system by the valve control system of pipeline, automation, be very easy to the application of machine work sequencing, electronization, make whole solar water heater system can be full-automatic, do not need or use human resources and artificial electric energy as few as possible, structure for modern wired home provides convenient, can predict and produce significant economic results in society.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram of a preferred embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of solar water heater wind energy motive power pipeline water circulation defroster, comprises solar heat-collection plate 1, solar storage water tank 2, bevel pinion 3, bevel gear wheel 4, Wind energy collecting device 5, gear-box 6, electric-controlled engaging and disengaging gear 7, singlechip controller 8, battery 9, mechanical water pump 10, turbogenerator 11, linkage valve 12, enters water valve 13, outlet valve 14, wind-driven generator 15 and wind-driven generator switch 16.
Solar storage water tank 2 is arranged on solar heat-collection plate 1 upper end, and solar heat-collection plate 1 is arranged on building surface according to solar water heater national standard.
Solar storage water tank 2 has two pipelines, be connected with mechanical water pump 10 and turbogenerator 11 respectively, machinery water pump 10 and turbogenerator 11 are connected by linkage valve 12, thus, solar storage water tank 2 forms a circulating line with mechanical water pump 10, linkage valve 12 and turbogenerator 11 successively.Connecting pipe between linkage valve 12 and turbogenerator 11 is also connected to Inlet and outlet water common conduit, enter water valve 13 to be connected with Inlet and outlet water common conduit with outlet valve 14, thus access circulating line in parallel, connected by three-way pipe between Inlet and outlet water common conduit and circulating line.The blade of machinery water pump 10 and turbogenerator 11 is resistant material, is conducive to the raising service life of water heater.
Wherein, connecting pipe between solar storage water tank 2 and mechanical water pump 10, connecting pipe between mechanical water pump 10 and linkage valve 12, linkage valve 12 and enter connecting pipe between water valve 13 and outlet valve 14 for repacking and add pipeline, and there is corresponding heat-insulation layer, to ensure the thermal efficiency of solar water heater; Connecting pipe between solar storage water tank 2 and turbogenerator 11, turbogenerator 11 and the connecting pipe entered between water valve 13 and outlet valve 14 use the original pipeline of domestic solar water heater to reequip.
Connecting pipe between machinery water pump 10 and solar storage water tank 2 is arranged on the top of solar storage water tank 2; Repacking pipeline and original-pack pipeline measure-alike, be generally 3-5cm; The power of machinery water pump 10 without the need to too large, more than 10W.
The output of electric-controlled engaging and disengaging gear 7 is connected with mechanical water pump 10, and the input of electric-controlled engaging and disengaging gear 7 is connected with the output of gear-box 6, and the input of gear-box 6 is connected with wind-driven generator 15.Wind-driven generator 15, bevel pinion 3, bevel gear wheel 4 are connected successively with Wind energy collecting device 5, form wind power generation system.Wind-driven generator 15 is equipped with wind-driven generator switch 16.
The electrical signal of singlechip controller 8 respectively with electric-controlled engaging and disengaging gear 7, linkage valve 12, enter water valve 13, outlet valve 14 adopts electric connection line to be connected with wind-driven generator switch 16.The charging end of battery 9 adopts electric connection line to be connected with the output of turbogenerator 11, the generating end of battery 9 adopts electric connection line to be connected with the input (electric energy access port) of singlechip controller 8, and the charging end of battery 9 also adopts electric connection line to be connected by wind-driven generator switch 16 with the output of wind-driven generator 15.Therefore, battery 9 can either accept electric power from wind-driven generator 15, also can accept electric power from turbogenerator 11.
As shown in Figure 1, gear-box 6 and wind-driven generator 15, bevel pinion 3 are coaxial, and bevel pinion 3 and bevel gear wheel 4 engage, bevel gear wheel 4 and Wind energy collecting device 5 coaxial.Wind energy collecting device 5 comprises all kinds wind-force conversioning mechanical energy device, and such as machine blade, natural ventilator etc., to adapt to the different situations under various condition.
In the present embodiment, the tip speed ratio of Wind energy collecting device 5 is approximately about 1, and its blade preferably lubricates, anti abrasive light-weight metal.Gear-box 6 adopts multistage deceleration gear, and reduction of speed is than approximately arriving 10-100 magnitude.The angle that bevel pinion 3 and bevel gear wheel 4 engage should adjust with the actual wind direction in locality, and for saving processing charges, preferred tooth matching angle is 90 °.
The singlechip controller 8 of above-mentioned solar water heater wind energy motive power pipeline water circulation defroster is as control system total in device, by entering the switching manipulation of water valve 13 or outlet valve 14, obtain pulse signal as instruction, the connection that can be used for controlling linkage valve 12, the switch of wind-driven generator switch 15 and electric-controlled engaging and disengaging gear 7 and mechanical water pump 10 be separated.
The present invention is when just commonly using water, outlet valve 14 is opened, enter water valve 13 to close, this operation provides pulse signal as instruction to singlechip controller 8, singlechip controller 8 controls to close linkage valve 12, closed wind-driven generator switch 16, and electric-controlled engaging and disengaging gear 7 is separated with mechanical water pump 10.Now, outdoor wind energy drives wind power collecting device 5 to operate, and the mechanical energy that wind power collecting device 5 produces is converted into electrical power storage in battery 9.Solar storage water tank 2 discharges water, and provides use, and current drive turbogenerator 11 to generate electricity, also by electrical power storage battery 9.Electric power in battery 9, for singlechip controller 8, reduces energy consumption.Similar with the use procedure of traditional solar energy water heater device, can adjusting water outlet temperature by the relative size of adjustment penstock.
The present invention is when solar storage water tank 2 adds water, enter water valve 13 to open, outlet valve 14 is closed, this operation provides pulse signal as instruction to singlechip controller 8, control to close linkage valve 12, closed wind-driven generator switch 16, and electric-controlled engaging and disengaging gear 7 is separated with mechanical water pump 10.Be similar to the situation of just conventional water, the mechanical energy that wind power collecting device 5 produces is converted to electrical power storage in battery 9, now water overcomes pressure reduction and enters solar storage water tank 2 via turbogenerator 11, thus be reached for the object that solar storage water tank 2 adds water, enter water current reverse drive turbogenerator 11, the electric energy that turbogenerator 11 produces stores in battery 9 equally, for singlechip controller 8, further reduces energy consumption.
The present invention is when outside air temperature is lower than theoretical freezing point or design temperature threshold value in the winter time, if do not enter just conventional water or add water program, enter water valve 13 and outlet valve 14 is closed simultaneously, this operation provides pulse signal as instruction to singlechip controller 8, singlechip controller 8 controls to open linkage valve 12, disconnect wind-driven generator switch 16, makes electric-controlled engaging and disengaging gear 7 be connected with mechanical water pump 10 simultaneously.Now, outdoor wind-force drives wind power collecting device 5, bevel pinion 3, bevel gear wheel 4 and gear-box 6 successively, thus driving mechanical water pump 10 operates, and makes the inner water flow that circulates, reaches antifreeze effect.
In solar water heater of the present invention, by adopting this wind energy motive power pipeline water circulation defroster, utilize circulation, to make in pipeline water temperature in water temperature and storage tank 2 close, the water of releasing is more warm at once, do not need the cold water waited for a period of time, saved water resource and be user-friendly to.
In addition, the present invention, in the winter time under cryogenic conditions, take wind energy as the running of power drive circulatory system water pump, can reach the object of freezing prevention tubing.On the other hand, the normal water outlet of solar storage water tank and add in water process, ducted current are utilized to drive turbogenerator, wind power collecting device to drive wind-driven generator, be that electrical energy for storage is in battery by changes mechanical energy, for the energy consumption providing control system of the present invention to use, eliminate the unnecessary energy consumption brought by antifreeze for water circulation repacking facility.Simultaneously, the present invention also utilizes control system by the valve control system of pipeline, automation, be very easy to the application of machine work sequencing, electronization, make whole solar water heater system can be full-automatic, do not need or use human resources and artificial electric energy as few as possible, structure for modern wired home provides convenient, can predict and produce significant economic results in society.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a solar water heater wind energy motive power pipeline water circulation defroster, the solar heat-collection plate comprising solar storage water tank and be connected with described solar storage water tank, it is characterized in that, also comprise mechanical water pump, linkage valve, outlet valve, enter water valve, control system, battery and wind power generation system;
Described solar storage water tank, described mechanical water pump and described linkage valve connect successively, form circulating line;
Water valve and described outlet valve is entered described in described circulating line also connects;
Described control system and described wind power generation system, described battery, described outlet valve, described in enter water valve and described linkage valve is connected, described control system according to described outlet valve and described in enter the state of water valve, control the folding of described linkage valve and control described wind power generation system and be optionally connected with in described battery with described mechanical water pump;
Described control system is realized by singlechip controller, described wind power generation system is connected by electric-controlled engaging and disengaging gear and gear-box with described mechanical water pump, the electrical signal of described singlechip controller respectively with described electric-controlled engaging and disengaging gear, described linkage valve, described in enter water valve, described outlet valve is connected with described wind power generation system.
2. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 1, wherein, also comprise turbogenerator, described turbogenerator is connected with described solar storage water tank and described linkage valve, described linkage valve is arranged between described mechanical water pump and described turbogenerator, connect Inlet and outlet water common conduit between described linkage valve and described turbogenerator, described in enter water valve and described outlet valve and in parallelly access described circulating line by being connected with described Inlet and outlet water common conduit.
3. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 2, wherein, described circulating line is connected by three-way pipe with described Inlet and outlet water common conduit.
4. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 2, wherein, described wind power generation system comprises the Wind energy collecting device, bevel gear wheel, bevel pinion and the wind-driven generator that are connected successively, described wind-driven generator is equipped with wind-driven generator switch, described bevel pinion and the engagement of described bevel gear wheel.
5. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 4, wherein, described gear-box and described wind-driven generator, described bevel pinion is coaxial and be connected successively, described bevel gear wheel and described Wind energy collecting device coaxial and be interconnected.
6. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 4, wherein, the tooth matching angle of described bevel pinion and described bevel gear wheel is 90 °.
7. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 4, wherein, the charging end of described battery is connected with the output of described turbogenerator, and the generating end of described battery is connected with the input of described singlechip controller; The charging end of described battery is also connected with the output of described wind-driven generator by described wind-driven generator switch.
8. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 4, wherein, described Wind energy collecting device is collected blade by wind-force and is realized.
9. solar water heater wind energy motive power pipeline water circulation defroster as claimed in claim 1, wherein, the power of described mechanical water pump is greater than 10W.
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| CN201310350193.9A CN103438595B (en) | 2013-08-13 | 2013-08-13 | Solar water heater wind energy motive power pipeline water circulation defroster |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111058998A (en) * | 2020-01-19 | 2020-04-24 | 象山侧风电子技术有限公司 | Straw combustion power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106089586A (en) * | 2016-06-12 | 2016-11-09 | 安徽我要遛遛信息技术有限公司 | Solar energy, energy and wind energy integrative TRT |
| CN107062650B (en) * | 2017-03-27 | 2019-08-06 | 国网天津市电力公司 | A method of using solar water heater is water-saving and energy comprehensive utilization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1804501A (en) * | 2005-01-16 | 2006-07-19 | 陈大兵 | Comprehensive utilization system for solar energy and wind energy |
| CN2795744Y (en) * | 2005-04-01 | 2006-07-12 | 谭建国 | Wind power and solar combined water heater |
| CN1327166C (en) * | 2005-12-15 | 2007-07-18 | 上海交通大学 | Wind-solar combined driven multifunctional natural ventilating device |
| CN100458304C (en) * | 2007-01-16 | 2009-02-04 | 陈岩 | Twin pipe type solar water heater in model of instant use once to turn it on |
| CN201884186U (en) * | 2007-09-27 | 2011-06-29 | 游图明 | Device for generating electricity by using solar energy |
| CN201155428Y (en) * | 2007-11-27 | 2008-11-26 | 刘东江 | Vertical shaft multiple layer blade wheel wind-driven generator group |
| CN201363126Y (en) * | 2009-02-23 | 2009-12-16 | 杨成涛 | Wind power oil extractor |
| KR20120065515A (en) * | 2010-12-13 | 2012-06-21 | 김준섭 | Hot water heater using wind and solar force |
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| CN111058998A (en) * | 2020-01-19 | 2020-04-24 | 象山侧风电子技术有限公司 | Straw combustion power generation device |
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Effective date of registration: 20220217 Address after: 201601 Room 401, 4 / F, building 40, No.220 Jiugan Road, Sijing Town, Songjiang District, Shanghai Patentee after: SHANGHAI YUANKONG AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Patentee before: SHANGHAI JIAO TONG University |