CN104266385B - Autotracking formula solar water heater - Google Patents

Autotracking formula solar water heater Download PDF

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Publication number
CN104266385B
CN104266385B CN201410464979.8A CN201410464979A CN104266385B CN 104266385 B CN104266385 B CN 104266385B CN 201410464979 A CN201410464979 A CN 201410464979A CN 104266385 B CN104266385 B CN 104266385B
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CN
China
Prior art keywords
collecting plate
control cabinet
water heater
gear
solar water
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Active
Application number
CN201410464979.8A
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Chinese (zh)
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CN104266385A (en
Inventor
张志毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COMTEC SOLAR (JIANGSU) Co Ltd
Haian Kehao Textile Co Ltd
Original Assignee
HAINING SUNTRAP WATER HEATER Co Ltd
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Priority to CN201410464979.8A priority Critical patent/CN104266385B/en
Publication of CN104266385A publication Critical patent/CN104266385A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

Abstract

The invention provides autotracking formula solar water heater, belong to technical field of solar. It has solved existing solar water heater and can not follow the tracks of sunshine, thus the technical problem such as the utilization ratio of sunshine is lower. Autotracking formula solar water heater, comprise base and collecting plate, base is provided with rotating shaft one, the upper end of rotating shaft one is installed with a control cabinet, the edge of control cabinet is hinged with collecting plate by a rotating shaft two, in control cabinet, be provided with one and can control collecting plate two photo structures that become that swing around the shaft, between base and control cabinet casing, be provided with and can control control cabinet rotation commutating structure of 180 ° around the shaft in the time that collecting plate is rocked to horizontal level. The present invention has sunshine utilization ratio advantages of higher.

Description

Autotracking formula solar water heater
Technical field
The invention belongs to technical field of solar, relate to autotracking formula solar water heater.
Background technology
Solar energy is converted into heat energy by solar water heater, and water is heated to from low temperatureHigh-temperature, uses to meet the hot water of people in life, production. Solar water heaterBe divided into vacuum pipe solar water heater and flat solar water heater by version,Vacuum pipe solar water heater is main, occupies domestic 95% the market share. Vacuum tubeFormula domestic solar water heater is made up of related accessories such as thermal-collecting tube, storage tank and supports,Solar energy energy transform into heat energy is mainly relied on to thermal-collecting tube. Thermal-collecting tube utilizes hot water floating cold waterThe principle of sinking, makes water generates microcirculation and reaches required hot water.
As everyone knows, in the time that sunshine vertical irradiation is on collecting plate, collecting plate can be inhaledThe solar energy of receiving is maximum, namely collects the most effective of solar energy, but due to weatherAmbiguity, time are controlled the impact of the factor such as more difficult, and existing solar water heater does not all haveHave and can accomplish preferably this point.
Summary of the invention
The object of the invention is the problems referred to above that exist for existing technology, provide from followingTrack formula solar water heater, technical problem to be solved by this invention is how to follow the tracks of in good timeSunshine, to increase solar energy utilization ratio.
Object of the present invention can realize by following technical proposal: autotracking formula solar energyWater heater, comprises base and collecting plate, it is characterized in that, described base is provided with rotating shaftOne, the upper end of described rotating shaft one is installed with a control cabinet, and the edge of described control cabinet is logicalCross a rotating shaft two hinged with described collecting plate, in described control cabinet, be provided with one and can control collectionHot plate is two photo structures that become that swing around the shaft, between described base and control cabinet casing, are provided withCan control control cabinet and one rotate 180 ° around the shaft in the time that collecting plate is rocked to horizontal levelCommutating structure.
Operation principle of the present invention is: this solar water heater adopts photo structure to make thermal-arrestPlate swings along with the direction of illumination of sunshine, thus make collecting plate can remain withThe position that sunshine myopia is vertical, like this, solar energy can be high efficiency as far as possibleAbsorbed by collecting plate, because collecting plate two swings around the shaft, when it is rocked to horizontal level,The straight of sunshine can not be vertical with collecting plate according to direction, and now, commutating structure is by rotating shaft oneRotate 180 °, thereby make collecting plate continue to keep the vertical state of myopia with sunshine;Need to should be mentioned that: when the swing of collecting plate, slowly, within every 12 hours, complete a swingCycle, and moment completes when the rotation of the rotating shaft one that commutating structure orders about.
In above-mentioned autotracking formula solar water heater, described in the photo structure that becomes comprise and setting firmlyConnecting rod on control cabinet casing, one end of described connecting rod is rotatably connected to a timing gear,Between described connecting rod and timing gear, be connected by pin, the other end of described connecting rod is offeredThere is chute, in described chute, be inserted with a push rod, on described push rod, be connected with a fork,One end of described fork is connected with push rod, the other end of described fork and timing gear partiallyHeart position is hinged, and described push rod is laterally resisted against on described collecting plate. Fork is hinged onThe eccentric position of timing gear, the rotation of timing gear drives fork to swing, outside forkEnd is automatically connected in chute by pusher slide, and final result is: the rotation of timing gear,Drive push rod to do the reciprocating motion on vertical direction, thereby promote collecting plate around the shaft twoBackswing is moving, taking horizontal plane as benchmark, swing angle be approximately between 0 °~75 ° (byIn in the time that collecting plate is between 75 °~90 °, belong to by sunset or the sun and just riseWhen rising, sunshine a little less than, and in this angular range, can block sunshineBuilding, plant, mountain peak etc. more, whether vertical irradiation is at collecting plate for this sunshineThe upper impact of the size on the solar energy that can utilize is less, in this programme, will not consider).
In above-mentioned autotracking formula solar water heater, on the lower surface of described collecting plateOffer gathering sill, described push rod is in described gathering sill; On described collecting plate, offerDodge groove, described in described connecting rod is plugged in, dodge in groove. Push rod in the vertical directionReciprocating motion time, can slide along gathering sill, thus promote collecting plate around the shaft two pendulumMoving; Dodge groove headspace when swinging to collecting plate, simultaneously also for plugging connecting rod.
In above-mentioned autotracking formula solar water heater, on described control cabinet casing, set firmlyThere is motor one, on the output shaft of described motor one, be installed with master gear, described control cabinetCasing is provided with a jackshaft, and described jackshaft is provided with reduction gearing one and reduction gearingTwo, described master gear engages with described reduction gearing one, described reduction gearing two and instituteState timing gear engagement; The rotational angular velocity of described timing gear is to rotate one in every 12 hoursCircle. The effect of reduction gearing one, reduction gearing two, timing gear and master gear is,The uniform rotation of motor one is changed into the slow rotation of timing gear, the rotation of timing toothAngular speed is within every 12 hours, to rotate a circle, and like this, timing gear rotates a circle canDrive collecting plate to swing one-period, complete the tracking to sunshine, run well night,Make collecting plate return to original state.
In above-mentioned autotracking formula solar water heater, described commutating structure comprises settingContact on pin, described connecting rod is provided with inductive switch, and described contact is to timing toothOne side of wheel is stretched out and timing gear often revolve turn around all can described contact and inductive switch connectTouch. In the time that the contact on pin contacts with the inductive switch on connecting rod, it is just in time collecting plateWhile being horizontal, proper 12 noon or midnight 0 point, inductive switch is to nowBetween judge and make collecting plate around the shaft two rotate 180 °, complete commutation.
In above-mentioned autotracking formula solar water heater, described base is provided with motor two,Described motor two is connected with a delay switch, and described delay switch and motor two all and instituteStating inductive switch is connected. Motor two drive shaft one in the time that collecting plate is horizontal makesControl cabinet rotates 180 °, and collecting plate rotates around the axis 180 °, thereby collecting plate continuesWhen swing, can continue to follow the tracks of sunshine.
In above-mentioned autotracking formula solar water heater, the output shaft of described motor two andIn rotating shaft one, be respectively equipped with intermeshing travelling gear one and travelling gear two; Described controlCase processed and collecting plate hinged place are provided with a limited block. For making the rotational angle of rotating shaft one accurate,In this programme, between rotating shaft one and the output shaft of motor two, pass through travelling gear one and transmissionGear two carries out transmission, and collecting plate is subject to the restriction of limited block while swing, and push rod moves down also notCan cause collecting plate plate face lower than control cabinet casing upper surface.
In above-mentioned autotracking formula solar water heater, described collecting plate upper surface is provided withSeveral thermal-collecting tubes and a solar storage battery, described motor one, motor two, time delaySwitch, contact and inductive switch are all connected with described solar storage battery. Solar energy power accumulatingPond can store electrical energy, even if also can keep becoming photo structure and change in without sunshineTo the normal operation of structure, ensure that the timing of this solar water heater is accurate.
In above-mentioned autotracking formula solar water heater, described thermal-collecting tube is evenly distributed onThe upper surface of collecting plate, described collecting plate upper surface is also provided with a cross over pipe, and all institutesStating thermal-collecting tube all communicates by described cross over pipe; Solar water heater also comprises that one sets firmlyAt base upper water box, between described water tank and cross over pipe, be connected by flexible pipe. Each thermal-arrestPipe communicates and ensures that hot water circulates smoothly, improves thermal efficiency and water temperature synchronous.
In above-mentioned autotracking formula solar water heater, described delay switch and one are anti-Be connected to module. Motor two is clockwise rotating after 180 °, when rotate next time, receives oppositelyModule effect is rotated 180 ° along contrary counter clockwise direction, thereby flexible pipe can not be tied a knot.
Compared with prior art, the present invention has the following advantages:
1, fork is hinged on the eccentric position of timing gear, the rotation band movable pendulum of timing gearBar swings, and the outer end of fork is automatically connected in chute by pusher slide, and final result is:The rotation of timing gear, drives push rod to do the reciprocating motion on vertical direction, thereby promotesCollecting plate two swings back and forth around the shaft, taking horizontal plane as benchmark, swings angle and is approximately 0°~(due in the time that collecting plate is between 75 °~90 °, belong to and be about between 75 °When sunset or the sun have just risen, sunshine a little less than, and in this angular range,The building, plant, mountain peak etc. that can block sunshine are more, and whether this sunshine hangs downDirectly be radiated on collecting plate the size impact of the solar energy that can utilize less, this programmeNot middle not considering).
2,, in the time that the contact on pin contacts with the inductive switch on connecting rod, be just in time thermal-arrestWhen plate is horizontal, proper 12 noon or midnight 0 point, inductive switch is to thisTime is judged and makes collecting plate two rotate 180 ° around the shaft, completes commutation.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of this solar water heater.
Fig. 2 is the perspective view of photo structure of becoming in this solar water heater.
Fig. 3 is the sectional view of this solar water heater.
Fig. 4 is the circuit control structure schematic diagram of this solar water heater.
In figure, 1, base; 2, collecting plate; 21, thermal-collecting tube; 22, cross over pipe; 3,Control cabinet; 4, the photo structure that becomes; 41, rotating shaft two; 42, connecting rod; 43, timing gear;44, pin; 45, chute; 46, fork; 47, push rod; 48, gathering sill; 49,Dodge groove; 4a, motor one; 4b, master gear; 4c, jackshaft; 4d, reducing gearWheel one; 4e, reduction gearing two; 5, commutating structure; 51, rotating shaft one; 52, contact;53, inductive switch; 54, motor two; 55, delay switch; 56, travelling gear one;57, travelling gear two; 58, limited block; 59, reverse module; 6, solar storage battery;7, water tank; 71, flexible pipe.
Detailed description of the invention
Below specific embodiments of the invention by reference to the accompanying drawings, to technical side of the present inventionCase is further described, but the present invention is not limited to these embodiment.
As depicted in figs. 1 and 2, autotracking formula solar water heater, comprises base 1 HeCollecting plate 2, base 1 is provided with rotating shaft 1, and the upper end of rotating shaft 1 is installed with a controlCase 3 processed, the edge of control cabinet 3 is hinged with collecting plate 2 by a rotating shaft 2 41, controlIn case 3 processed, be provided with one and can control collecting plate 22 41 photo structures 4 that become that swing around the shaft,Between base 1 and control cabinet 3 casings, be provided with and can control control cabinet 3 and put at collecting plate 2While moving to horizontal level, one 51 rotate the commutating structure 5 of 180 ° around the shaft.
As shown in Figure 1, Figure 2 and Figure 3, the photo structure 4 that becomes comprises and is installed in control cabinet 3Connecting rod 42 on casing, one end of connecting rod 42 is rotatably connected to a timing gear 43, connectsBetween bar 42 and timing gear 43, be connected by pin 44, the other end of connecting rod 42 is openedBe provided with chute 45, in chute 45, be inserted with a push rod 47, on push rod 47, be connected with a pendulumBar 46, one end of fork 46 is connected with push rod 47, the other end of fork 46 and timingThe eccentric position place of gear 43 is hinged, and push rod 47 is laterally resisted against on collecting plate 2. PendulumBar 46 is hinged on the eccentric position of timing gear 43, the rotation band movable pendulum of timing gear 43Bar 46 swings, and the outer end of fork 46 is slidably connected in chute 45 by push rod 47,Final result is: the rotation of timing gear 43, drives push rod 47 to do on vertical directionReciprocating motion, thereby promote collecting plate 22 41 swing back and forth around the shaft, with horizontal planeFor benchmark, swing angle be approximately between 0 °~75 ° (due to collecting plate 2 inBetween 75 °~90 ° time, belong to when just rise by sunset or the sun sunLight a little less than, and in this angular range, can block sunshine building, plant,Mountain peaks etc. are more, this sunshine whether vertical irradiation on collecting plate 2 to utilizingThe size impact of solar energy is less, in this programme, will not consider), the lower end of collecting plate 2On face, offer gathering sill 48, push rod 47 is in gathering sill 48; On collecting plate 2, openBe provided with one and dodge groove 49, connecting rod 42 is plugged in dodges in groove 49, and push rod 47 is verticallyWhen reciprocating motion in direction, can slide along gathering sill 48, thereby promote collecting plate 22 41 swing around the shaft; Dodge groove 49 for to collecting plate 2 headspace while swinging,Simultaneously also for plugging connecting rod 42.
As shown in Figure 1, on control cabinet 3 casings, be installed with motor one 4a, motor one 4aOutput shaft on be installed with master gear 4b, control cabinet 3 casings are provided with a jackshaft 4c,Jackshaft 4c is provided with reduction gearing one 4d and reduction gearing two 4e, master gear 4bOne 4d engages with reduction gearing, and reduction gearing two 4e engage with timing gear 43; RegularlyThe rotational angular velocity of gear 43 is within every 12 hours, to rotate a circle. Reduction gearing one 4d, subtractThe effect of speed gear two 4e, timing gear 43 and master gear 4b is, by motor one 4aUniform rotation change the slow rotation of timing gear 43 into, the rotational angular velocity of timing toothFor rotation in every 12 hours one circle, like this, timing gear 43 rotates a circle and can be withMoving collecting plate 2 swings one-period, completes the tracking to sunshine, and run well night,Make collecting plate 2 return to original state.
As shown in Figure 1, Figure 2 and Figure 4, commutating structure 5 comprises and being arranged on pin 44Contact 52, connecting rod 42 is provided with inductive switch 53, contact 52 is to timing gear 43A side stretch out and timing gear 43 often revolves that turn around all can contact 52 and inductive switch 53Contact, in the time that the contact 52 on pin 44 contacts with the inductive switch 53 on connecting rod 42,Just in time collecting plate 2 while being horizontal, proper 12 noon or midnight 0 point,Inductive switch 53 to this time judge and make collecting plate 2 around the shaft 2 41 rotate 180°, completing commutation, base 1 is provided with motor 2 54, motor 2 54 and a time delaySwitch 55 is connected, and delay switch 55 is all connected with inductive switch 53 with motor 2 54,Motor 2 54 drive shaft 1 in the time that collecting plate 2 is horizontal makes control cabinet 3Rotate 180 °, collecting plate 2 rotates around the axis 180 °, thereby collecting plate 2 continues pendulumWhen moving, can continue to follow the tracks of sunshine.
As shown in Figure 1, in the output shaft of motor 2 54 and rotating shaft 1, be respectively equipped with phaseTravelling gear 1 and the travelling gear 2 57 of engagement mutually; Control cabinet 3 and collecting plate 2Hinged place is provided with a limited block 58, for making the rotational angle of rotating shaft 1 accurate, and weIn case, between rotating shaft 1 and the output shaft of motor 2 54, pass through travelling gear 1Carry out transmission with travelling gear 2 57, collecting plate 2 is subject to the restriction of limited block 58 while swing,Push rod 47 moves down and also can not cause collecting plate 2 plate faces lower than control cabinet 3 casing upper surfaces,Collecting plate 2 upper surfaces are provided with several thermal-collecting tubes 21 and a solar storage battery 6, electricityMachine one 4a, motor 2 54, delay switch 55, contact 52 and inductive switch 53 all withSolar storage battery 6 is connected, and solar storage battery 6 can store electrical energy, even in nothingWhen sunshine, also can keep becoming the normal operation of photo structure 4 and commutating structure 5, protectThe timing of demonstrate,proving this solar water heater is accurate.
Thermal-collecting tube 21 is evenly distributed on the upper surface of collecting plate 2, and collecting plate 2 upper surfaces alsoBe provided with a cross over pipe 22, and all thermal-collecting tubes 21 all communicate by cross over pipe 22; The sunCan also comprise that is installed in base 1 upper water box 7 by water heater, water tank 7 and cross over pipe 22Between be connected by flexible pipe 71, each thermal-collecting tube 21 communicates and ensures that hot water circulates smoothly,Improve thermal efficiency and water temperature synchronous, delay switch 55 and a reverse module 59 are connected,Motor 2 54 is clockwise rotating after 180 °, and receive reverse module 59 while rotation and do next timeWith 180 ° of the counter clockwise direction rotations along contrary, thereby flexible pipe 71 can not be tied a knot.
Operation principle of the present invention is: this solar water heater adopts photo structure 4 to make collectionHot plate 2 swings along with the direction of illumination of sunshine, thereby makes the collecting plate 2 can be all the timeKeep the position vertical with sunshine myopia, like this, solar energy can be high as far as possibleBeing absorbed by collecting plate 2 of efficiency, because collecting plate 22 41 swings around the shaft, its swingDuring to horizontal level, the straight of sunshine can not be vertical with collecting plate 2 according to direction, now,Rotating shaft 1 is rotated 180 ° by commutating structure 5, thereby collecting plate 2 is continued and the sunLight keeps the vertical state of myopia; Need to should be mentioned that: slow when the swing of collecting plate 2, within every 12 hours, complete a hunting period, and the rotating shaft one that commutating structure 5 orders aboutWhen 51 rotation, moment completes.
Specific embodiment described herein is only to the theory for example of the present invention's spiritBright. Those skilled in the art can be to described specific embodimentMake various amendments or supplement or adopt similar mode to substitute, but can't depart fromSpirit of the present invention or surmount the defined scope of appended claims.

Claims (3)

1. autotracking formula solar water heater, comprises base (1) and collecting plate (2),It is characterized in that, described base (1) is provided with rotating shaft one (51), described rotating shaft one (51)Upper end be installed with a control cabinet (3), the edge of described control cabinet (3) turns by oneAxle two (41) is hinged with described collecting plate (2), and described control cabinet is provided with one in (3)Can control collecting plate (2) two (41) photo structures that become (4) that swing around the shaft, described inBetween base (1) and control cabinet (3) casing, be provided with and can control control cabinet (3) at collectionWhen hot plate (2) is rocked to horizontal level, one (51) commutation of rotating 180 ° is tied around the shaftStructure (5); Described become photo structure (4) comprise the company being installed on control cabinet (3) casingBar (42), one end of described connecting rod (42) is rotatably connected to a timing gear (43),Between described connecting rod (42) and timing gear (43), be connected institute by pin (44)The other end of stating connecting rod (42) offers chute (45), and described chute plugs in (45)There is a push rod (47), on described push rod (47), be connected with a fork (46), described pendulumOne end of bar (46) is connected with push rod (47), the other end of described fork (46) withThe eccentric position place of timing gear (43) is hinged, and described push rod (47) is laterally resisted againstOn described collecting plate (2); On the lower surface of described collecting plate (2), offer gathering sill(48), described push rod (47) is in described gathering sill (48); Described collecting plate (2)On offer one and dodge groove (49), described in described connecting rod (42) is plugged in, dodge groove (49)In; On described control cabinet (3) casing, be installed with motor one (4a), described motor one (4a)Output shaft on be installed with master gear (4b), described control cabinet (3) casing is provided withOne jackshaft (4c), described jackshaft (4c) is provided with reduction gearing one (4d) and subtractsSpeed gear two (4e), described master gear (4b) is nibbled with described reduction gearing one (4d)Close, described reduction gearing two (4e) engages with described timing gear (43); Described fixedTime gear (43) rotational angular velocity be every 12 hours rotate a circle; Described commutating structure(5) comprise the contact (52) being arranged on pin (44), on described connecting rod (42)Be provided with inductive switch (53), described contact (52) is stretched to a side of timing gear (43)Go out and timing gear (43) often revolves that turn around all can described contact (52) and inductive switch(53) contact; Thermal-collecting tube (21) is evenly distributed on the upper surface of collecting plate, described collectionHot plate upper surface is also provided with a cross over pipe, and all thermal-collecting tubes (21) are all by describedSiphunculus communicates; Solar water heater also comprises that is installed in a base upper water box, described waterBetween case and cross over pipe, be connected by flexible pipe.
2. autotracking formula solar water heater according to claim 1, its feature existsIn, in the output shaft of described motor two (54) and rotating shaft one (51), be respectively equipped with mutuallyTravelling gear one (56) and the travelling gear two (57) of engagement; Described control cabinet (3)Be provided with a limited block (58) with collecting plate (2) hinged place.
3. autotracking formula solar water heater according to claim 1, its feature existsBe provided with described in several thermal-collecting tube (21) and one in, described collecting plate (2) upper surfaceSolar storage battery (69), described motor one (4a), motor two (54), delay switch(55), contact (52) and inductive switch (53) all with described solar storage battery (6)Be connected.
CN201410464979.8A 2013-07-01 2013-07-01 Autotracking formula solar water heater Active CN104266385B (en)

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CN201310275743.5A CN103322699B (en) 2013-07-01 2013-07-01 Self-tracking solar water heater
CN201410464979.8A CN104266385B (en) 2013-07-01 2013-07-01 Autotracking formula solar water heater

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CN201410464324.0A Active CN104266384B (en) 2013-07-01 2013-07-01 A kind of structure improved solar water heater

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Publication number Priority date Publication date Assignee Title
CN105241103A (en) * 2015-10-10 2016-01-13 广西大美电器有限公司 Rotary supporting device suitable for solar water heater
CN105758008A (en) * 2016-03-11 2016-07-13 安徽春升新能源科技有限公司 Middle- and low-temperature solar water heating system
CN107990570A (en) * 2017-11-21 2018-05-04 骆伟法 A kind of automatic tracking type solar water heater

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TW201237338A (en) * 2011-03-09 2012-09-16 Zi-Han Zhang Criss-cross type sun tracking solar energy system

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CN101877560A (en) * 2010-04-02 2010-11-03 刘建中 Automatic sunlight tracking device
CN201740252U (en) * 2010-05-11 2011-02-09 唐国屏 Automatic tracking solar cooker, solar water heater and solar photovoltaic generating system
CN101839565A (en) * 2010-06-20 2010-09-22 马效春 Temperature control solar water heater
TW201237338A (en) * 2011-03-09 2012-09-16 Zi-Han Zhang Criss-cross type sun tracking solar energy system

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CN103322699B (en) 2015-05-20

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