CN110806019A - Solar water heater with uniform heating and high reliability - Google Patents
Solar water heater with uniform heating and high reliability Download PDFInfo
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- CN110806019A CN110806019A CN201911187337.7A CN201911187337A CN110806019A CN 110806019 A CN110806019 A CN 110806019A CN 201911187337 A CN201911187337 A CN 201911187337A CN 110806019 A CN110806019 A CN 110806019A
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- heat collecting
- water heater
- solar water
- protection
- rotating
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- 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
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
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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
- F24S40/10—Protective covers or shrouds; Closure members, e.g. lids
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/40—Casings
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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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- 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
- Y02E10/47—Mountings or tracking
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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)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar water heater with high heating uniformity and reliability, which comprises a supporting plate, a water tank, a connecting pipe and a plurality of heat collecting mechanisms, wherein each heat collecting mechanism comprises a heat collecting pipe and two first bearings, each rotating mechanism comprises an air cylinder, a rotating disc, a pull wire and a torsion spring, each protecting component comprises a rotating shaft, a gear, two racks, two second bearings and two protecting units, each protecting unit comprises a supporting shaft, a protecting plate, a hinged rod and a moving block, and the solar water heater with high heating uniformity and reliability drives the heat collecting pipes to rotate through the rotating mechanisms, so that the heat collecting pipes absorb heat uniformly, the heat absorbing effect is improved, the heat collecting pipes can be shielded through the protecting mechanisms, the water in the heat collecting pipes is prevented from being heated for a long time by sunlight, the probability of scale generation.
Description
Technical Field
The invention relates to the field of solar water heaters, in particular to a solar water heater with uniform heating and high reliability.
Background
The solar water heater is a heating device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar water heater is divided into a vacuum tube type solar water heater and a flat plate type solar water heater according to the structural form, mainly uses the vacuum tube type solar water heater as a main part, and occupies 95 percent of domestic market share. The vacuum tube type domestic solar water heater is composed of heat collecting tubes, water storage tank and support, and can convert solar energy into heat energy, and the vacuum heat collecting tubes can utilize the principle of floating hot water and sinking cold water to make water produce microcirculation to obtain the required hot water.
The heat collecting pipe of the existing solar water heater is usually fixedly arranged, so that one side of the heat collecting pipe, which is close to the supporting plate, can not absorb sunlight, and the heat absorption effect of the heat collecting pipe is influenced, thereby greatly reducing the utilization rate of the sunlight.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the solar water heater with uniform heating and high reliability is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a solar water heater with uniform heating and high reliability comprises a supporting plate, a water tank, a connecting pipe and a plurality of heat collecting mechanisms, the water tank and the connecting pipe are respectively fixed at two ends of one side of the supporting plate, the water tank and the connecting pipe are arranged in parallel, the heat collecting mechanism is uniformly distributed between the water tank and the connecting pipe and comprises a heat collecting pipe and two first bearings which are respectively fixed on the water tank and the connecting pipe, two ends of the heat collecting pipe are respectively and fixedly connected with the inner rings of the two first bearings, two ends of the heat collecting pipe are respectively communicated with the water tank and the connecting pipe, the support plate is internally provided with a PLC, and also comprises a protection mechanism and a plurality of rotating mechanisms, the protection mechanism is arranged in the support plate, the number of the rotating mechanisms is equal to that of the heat collecting pipes, the rotating mechanisms correspond to the heat collecting pipes one by one, and the rotating mechanisms are connected with the heat collecting pipes;
the rotating mechanism comprises an air cylinder, a rotary table, a pull wire and a torsion spring, the air cylinder is fixed on one side, close to the heat collecting tube, of the supporting plate, the rotary table is fixed on one end, close to the water tank, of the rotating shaft, one end of the pull wire is fixedly connected with an air rod of the air cylinder, the other end of the pull wire is wound on the rotary table, the torsion spring is arranged at the other end of the rotating shaft, two ends of the torsion spring are respectively connected with the other end of the rotating shaft and the connecting pipe, and the air cylinder is electrically connected with;
the protection mechanism comprises a driving assembly and a plurality of protection assemblies, the driving assembly is connected with the protection assemblies, the number of the protection assemblies is equal to that of the heat collecting pipes, and the protection assemblies correspond to the heat collecting pipes one by one;
the protection assembly comprises a rotating shaft, a gear, two racks, two second bearings and two protection units, the second bearings are fixed inside the supporting plate, two ends of the rotating shaft are fixedly connected with inner rings of the two second bearings respectively, the driving assembly is connected with the rotating shaft, the gear is fixed on the rotating shaft, the two racks are arranged above and below the gear respectively, the gear is meshed with the racks, and the racks correspond to the protection units one by one;
the protection unit includes back shaft, guard plate, hinge bar and movable block, the one end of back shaft is fixed in the one side that is close to the thermal-collecting tube of backup pad, the guard plate is articulated with the other end of back shaft, the shape of guard plate is semicircle annular, the one side that is close to the thermal-collecting tube of backup pad is equipped with the opening, the one end of hinge bar is articulated with the guard plate, the other end of hinge bar passes the opening and articulates with the movable block, movable block and rack fixed connection.
Preferably, in order to limit the moving direction of the rack, the protection unit further comprises a slide way, the slide way is fixed inside the supporting plate, a sliding groove is formed in one side, close to the rack, of the slide way, a sliding groove is formed in one side, far away from the gear, of the rack, the side is arranged inside the sliding groove, the rack is matched with the sliding groove, and the rack is connected with the slide way in a sliding mode.
Preferably, in order to avoid the rack from being separated from the sliding groove, the sliding groove is a dovetail groove.
Preferably, the gear is coated with grease in order to make the rack move smoothly.
Preferably, in order to drive the rotating shaft to rotate, the driving assembly comprises a motor, a worm and a plurality of worm wheels, the motor is fixed inside the supporting plate and is connected with the worm in a transmission mode, the number of the worm wheels is equal to that of the rotating shaft, the worm wheels correspond to the rotating shaft one to one, the worm wheels are fixed on the rotating shaft and are meshed with the worm, and the motor is electrically connected with the PLC.
Preferably, the motor is a servo motor for precise and stable operation of the motor.
Preferably, in order to improve the utilization rate of sunlight, one side of the protection plate close to the heat collecting pipe is coated with a reflective material.
Preferably, in order to detect whether it rains, a raindrop sensor is provided on the support plate, and the raindrop sensor is electrically connected to the PLC.
Preferably, in order to detect the temperature of water in the water tank, a temperature sensor is arranged in the water tank, and the temperature sensor is electrically connected with the PLC.
Preferably, in order to prolong the service life of the stay wire, the stay wire is made of nylon.
The solar water heater with high heating uniformity and reliability has the advantages that the heat collecting pipe is driven to rotate through the rotating mechanism, so that the heat collecting pipe absorbs heat uniformly, the heat absorbing effect is improved, compared with the existing rotating mechanism, the rotating mechanism can realize the back-and-forth rotation of the heat collecting pipe, the rotating effect is better, the heat collecting pipe can be shielded through the protection mechanism, the water in the heat collecting pipe is prevented from being heated by sunlight for a long time, the probability of scale generation is reduced, the reliability of equipment is improved, compared with the existing protection mechanism, the protection mechanism can also realize the functions of reflecting light and shielding rain, the utilization rate of sunlight is improved, the probability of rainwater corroding the heat collecting pipe can be reduced, and the safety and reliability of the equipment are greatly improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a solar water heater with uniform heating and high reliability according to the present invention;
FIG. 2 is a schematic structural diagram of a protection mechanism of a solar water heater with uniform heating and high reliability of the invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a top view of the protection mechanism of the solar water heater with uniform heating and high reliability;
in the figure: 1. the solar water heater comprises a supporting plate, a water tank, a connecting pipe, a heat collecting pipe, a rotating disc, a stay wire, a cylinder, a torsion spring, a motor, a worm gear, a rotating shaft, a gear, a rack, a moving block, a hinge rod, a protective plate, a slideway and a temperature sensor, wherein the heat collecting pipe is arranged at 4 degrees, the rotating disc is arranged at 5 degrees, the stay wire is arranged at 6 degrees, the cylinder is arranged at 7 degrees, the torsion spring is arranged at 8 degrees.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in FIG. 1, a solar water heater with uniform heating and high reliability comprises a support plate 1, a water tank 2, a connecting pipe 3 and a plurality of heat collecting mechanisms, wherein the water tank 2 and the connecting pipe 3 are respectively fixed at two ends of one side of the support plate 1, the water tank 2 and the connecting pipe 3 are arranged in parallel, the heat collecting mechanisms are uniformly distributed between the water tank 2 and the connecting pipe 3, each heat collecting mechanism comprises a heat collecting pipe 4 and two first bearings, the two first bearings are respectively fixed on the water tank 2 and the connecting pipe 3, two ends of the heat collecting pipe 4 are respectively fixedly connected with inner rings of the two first bearings, two ends of the heat collecting pipe 4 are respectively communicated with the water tank 2 and the connecting pipe 3, a PLC is arranged in the support plate 1, the solar water heater further comprises a protection mechanism and a plurality of rotating mechanisms, the protection mechanism is arranged in the support plate, the rotating mechanisms correspond to the heat collecting pipes 4 one by one, and are connected with the heat collecting pipes 4;
a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.
This solar water heater that even reliability of being heated is high passes through slewing mechanism, drives thermal-collecting tube 4 and rotates to make thermal-collecting tube 4 absorb heat evenly, promoted the heat absorption effect, through protection machanism, can shelter from thermal-collecting tube 4, avoid sunshine to heat the water in thermal-collecting tube 4 for a long time, thereby reduced the probability that the incrustation scale produced, improved the reliability of equipment.
As shown in fig. 1, the rotating mechanism includes a cylinder 7, a rotating plate 5, a pulling wire 6 and a torsion spring 8, the cylinder 7 is fixed on one side of the supporting plate 1 close to the heat collecting tube 4, the rotating plate 5 is fixed on one end of the rotating shaft 12 close to the water tank 2, one end of the pulling wire 6 is fixedly connected with an air rod of the cylinder 7, the other end of the pulling wire 6 is wound on the rotating plate 5, the torsion spring 8 is arranged on the other end of the rotating shaft 12, two ends of the torsion spring 8 are respectively connected with the other end of the rotating shaft 12 and the connecting tube 3, and the cylinder 7 is electrically connected with the PLC;
when rotating the during operation, control cylinder 7 starts, withdraws the gas pole, it removes to drive 6 to act as go-between, thereby drive carousel 5 and rotate, make thermal-collecting tube 4 rotate, make torsion spring 8 take place deformation, control cylinder 7 stretches out the gas pole again, restoring force through torsion spring 8, make thermal-collecting tube 4 antiport, tighten up and draw wire 6, the gas pole that constantly stretches out and draws back through cylinder 7, make the rotation that thermal-collecting tube 4 made a round trip, thereby make thermal-collecting tube 4 absorb heat evenly, the heat absorption effect has been promoted.
As shown in fig. 2-4, the protection mechanism includes a driving assembly and a plurality of protection assemblies, the driving assembly is connected with the protection assemblies, the number of the protection assemblies is equal to the number of the heat collecting tubes 4, and the protection assemblies are in one-to-one correspondence with the heat collecting tubes 4;
the protection assembly comprises a rotating shaft 12, a gear 13, two racks 14, two second bearings and two protection units, the second bearings are fixed inside the supporting plate 1, two ends of the rotating shaft 12 are fixedly connected with inner rings of the two second bearings respectively, the driving assembly is connected with the rotating shaft 12, the gear 13 is fixed on the rotating shaft 12, the two racks 14 are arranged above and below the gear 13 respectively, the gear 13 is meshed with the racks 14, and the racks 14 correspond to the protection units one by one;
the protection unit includes back shaft, guard plate 17, hinged rod 16 and movable block 15, the one end of back shaft is fixed in one side that is close to thermal-collecting tube 4 of backup pad 1, guard plate 17 is articulated with the other end of back shaft, the shape of guard plate 17 is half-circular, one side that is close to thermal-collecting tube 4 of backup pad 1 is equipped with the opening, the one end of hinged rod 16 is articulated with guard plate 17, the other end of hinged rod 16 passes the opening and articulates with movable block 15, movable block 15 and rack 14 fixed connection.
When carrying out protection work, control drive assembly work, drive pivot 12 and rotate, make gear 13 rotate, drive rack 14 and remove, make two movable blocks 15 to the direction removal that is close to each other, drive guard plate 17 through hinge bar 16 and rotate and support to the direction that is close to thermal-collecting tube 4 and lean on, thereby make guard plate 17 shelter from thermal-collecting tube 4 and carry out heat preservation work to thermal-collecting tube 4, avoid sunshine to heat the water in thermal-collecting tube 4 for a long time, thereby reduced the probability that the incrustation scale produced, the practicality has been improved.
Preferably, in order to limit the moving direction of the rack 14, the protection unit further comprises a slide way 18, the slide way 18 is fixed inside the support plate 1, a slide groove is formed in one side of the slide way 18 close to the rack 14, one side of the rack 14 far away from the gear 13 is arranged inside the slide groove, the rack 14 is matched with the slide groove, and the rack 14 is connected with the slide way 18 in a sliding manner.
Through setting up slide 18, restricted the moving direction of rack 14 for rack 14 is more stable when removing, avoids rack 14 slope, influences the meshing of gear 13 and rack 14, thereby has improved the stability of protection machanism during operation.
Preferably, to avoid the rack 14 from disengaging from the sliding groove, the sliding groove is a dovetail groove.
Preferably, in order to make the rack 14 move smoothly, the gear 13 is coated with grease, so that the friction between the gear 13 and the rack 14 is reduced, and the rack 14 moves more smoothly.
Preferably, in order to drive the rotating shaft 12 to rotate, the driving assembly comprises a motor 9, a worm 10 and a plurality of worm wheels 11, the motor 9 is fixed inside the supporting plate 1, the motor 9 is in transmission connection with the worm 10, the number of the worm wheels 11 is equal to that of the rotating shaft 12, the worm wheels 11 are in one-to-one correspondence with the rotating shafts 12, the worm wheels 11 are fixed on the rotating shaft 12, the worm wheels 11 are meshed with the worm 10, and the motor 9 is electrically connected with the PLC.
When carrying out protection work, control motor 9 starts, drive worm 10 and rotate, through the meshing of worm 10 and worm wheel 11, make worm wheel 11 rotate, thereby drive pivot 12 and rotate, make gear 13 rotate, it removes to drive rack 14, make two movable blocks 15 remove to the direction that is close to each other, it rotates and supports to the direction that is close to thermal-collecting tube 4 and lean on to drive guard plate 17 through hinge bar 16, thereby make guard plate 17 shelter from thermal-collecting tube 4 and carry out heat preservation work to thermal-collecting tube 4, avoid sunshine to heat the water in thermal-collecting tube 4 for a long time, thereby the probability that the incrustation scale produced has been reduced, and the practicality is improved.
Preferably, the motor 9 is a servo motor in order to make the motor 9 work accurately and stably.
Preferably, in order to improve the utilization rate of sunlight, one side of the protection plate 17 close to the heat collecting pipe 4 is coated with a reflective material.
Reflecting materials are coated on one side, close to the heat collecting pipes 4, of the protection plate 17, so that sunlight can be emitted, one side, close to the supporting plate 1, of the heat collecting pipes 4 can also be reflected by the sunlight, the utilization rate of the sunlight is improved, and the heat absorption effect of the heat collecting pipes 4 is improved.
Preferably, in order to detect whether it rains, a raindrop sensor 20 is provided on the support plate 1, and the raindrop sensor 20 is electrically connected to the PLC.
Through setting up raindrop sensor 20, detect whether it rains, when raining, control protection machanism work shelters from thermal-collecting tube 4 to reduce the probability of rainwater corruption thermal-collecting tube 4, thereby improved the fail safe nature of equipment.
Preferably, a temperature sensor 19 is provided in the water tank 2 in order to detect the temperature of water in the water tank 2, and the temperature sensor 19 is electrically connected to the PLC.
Through setting up temperature sensor 19, can detect the temperature in the water tank 2, after the temperature reached the setting value, control protection machanism work sheltered from and keep warm to thermal-collecting tube 4 to avoid the temperature to rise always, thereby reduced the production of incrustation scale, improved the practicality of equipment.
Preferably, in order to prolong the service life of the stay wire 6, the stay wire 6 is made of nylon.
When rotating the during operation, control cylinder 7 starts, withdraws the gas pole, it removes to drive 6 to act as go-between, thereby drive carousel 5 and rotate, make thermal-collecting tube 4 rotate, make torsion spring 8 take place deformation, control cylinder 7 stretches out the gas pole again, restoring force through torsion spring 8, make thermal-collecting tube 4 antiport, tighten up and draw wire 6, the gas pole that constantly stretches out and draws back through cylinder 7, make the rotation that thermal-collecting tube 4 made a round trip, thereby make thermal-collecting tube 4 absorb heat evenly, the heat absorption effect has been promoted. When carrying out protection work, control motor 9 starts, drive worm 10 and rotate, through the meshing of worm 10 and worm wheel 11, make worm wheel 11 rotate, thereby drive pivot 12 and rotate, make gear 13 rotate, it removes to drive rack 14, make two movable blocks 15 remove to the direction that is close to each other, it rotates and supports to the direction that is close to thermal-collecting tube 4 and lean on to drive guard plate 17 through hinge bar 16, thereby make guard plate 17 shelter from thermal-collecting tube 4 and carry out heat preservation work to thermal-collecting tube 4, avoid sunshine to heat the water in thermal-collecting tube 4 for a long time, thereby the probability that the incrustation scale produced has been reduced, and the practicality is improved.
Compared with the prior art, this solar water heater that is heated evenly that the reliability is high passes through slewing mechanism, it rotates to drive thermal-collecting tube 4, thereby make thermal-collecting tube 4 absorb heat evenly, the heat absorption effect has been promoted, compared with current slewing mechanism, this slewing mechanism can realize making a round trip to rotate of thermal-collecting tube 4, the slewing effect is better, through protection machanism, can shelter from thermal-collecting tube 4, avoid sunshine to heat the water in thermal-collecting tube 4 for a long time, thereby the probability that the incrustation scale produced has been reduced, the reliability of equipment has been improved, compared with current protection machanism, this protection machanism can also realize the function of reflecting light and hiding rain, the utilization ratio of sunlight is promoted, also can reduce the probability that rainwater corrodes thermal-collecting tube.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A solar water heater with uniform heating and high reliability comprises a supporting plate (1), a water tank (2), a connecting pipe (3) and a plurality of heat collecting mechanisms, wherein the water tank (2) and the connecting pipe (3) are respectively fixed at two ends of one side of the supporting plate (1), the water tank (2) and the connecting pipe (3) are arranged in parallel, the heat collecting mechanisms are uniformly distributed between the water tank (2) and the connecting pipe (3), each heat collecting mechanism comprises a heat collecting pipe (4) and two first bearings, the two first bearings are respectively fixed on the water tank (2) and the connecting pipe (3), two ends of the heat collecting pipe (4) are respectively fixedly connected with inner rings of the two first bearings, two ends of the heat collecting pipe (4) are respectively communicated with the water tank (2) and the connecting pipe (3), a PLC is arranged in the supporting plate (1), and the solar water heater is characterized by further comprising a protection mechanism and, the protection mechanisms are arranged in the supporting plate (1), the number of the rotating mechanisms is equal to that of the heat collecting tubes (4), the rotating mechanisms correspond to the heat collecting tubes (4) one by one, and the rotating mechanisms are connected with the heat collecting tubes (4);
the rotating mechanism comprises an air cylinder (7), a rotary table (5), a pull wire (6) and a torsion spring (8), the air cylinder (7) is fixed on one side, close to the heat collecting tube (4), of the supporting plate (1), the rotary table (5) is fixed on one end, close to the water tank (2), of the rotary shaft (12), one end of the pull wire (6) is fixedly connected with an air rod of the air cylinder (7), the other end of the pull wire (6) is wound on the rotary table (5), the torsion spring (8) is arranged at the other end of the rotary shaft (12), two ends of the torsion spring (8) are respectively connected with the other end of the rotary shaft (12) and the connecting tube (3), and the air cylinder (7) is electrically connected with the PLC;
the protection mechanism comprises a driving assembly and a plurality of protection assemblies, the driving assembly is connected with the protection assemblies, the number of the protection assemblies is equal to that of the heat collecting pipes (4), and the protection assemblies correspond to the heat collecting pipes (4) one by one;
the protection assembly comprises a rotating shaft (12), a gear (13), two racks (14), two second bearings and two protection units, the second bearings are fixed inside the supporting plate (1), two ends of the rotating shaft (12) are fixedly connected with inner rings of the two second bearings respectively, the driving assembly is connected with the rotating shaft (12), the gear (13) is fixed on the rotating shaft (12), the two racks (14) are arranged above and below the gear (13) respectively, the gear (13) is meshed with the racks (14), and the racks (14) correspond to the protection units one by one;
the protection unit includes back shaft, guard plate (17), hinge bar (16) and movable block (15), the one end of back shaft is fixed in one side that is close to thermal-collecting tube (4) of backup pad (1), guard plate (17) are articulated with the other end of back shaft, the shape of guard plate (17) is half circular, the one side that is close to thermal-collecting tube (4) of backup pad (1) is equipped with the opening, the one end and guard plate (17) of hinge bar (16) are articulated, the other end of hinge bar (16) passes the opening and articulates with movable block (15), movable block (15) and rack (14) fixed connection.
2. The solar water heater with high heating uniformity and high reliability according to claim 1, wherein the protection unit further comprises a slide way (18), the slide way (18) is fixed inside the support plate (1), a slide groove is arranged on one side of the slide way (18) close to the rack (14), one side of the rack (14) far away from the gear (13) is arranged inside the slide groove, the rack (14) is matched with the slide groove, and the rack (14) is connected with the slide way (18) in a sliding manner.
3. A solar water heater with high heating uniformity and high reliability as claimed in claim 2, wherein said sliding groove is a dovetail groove.
4. The solar water heater with high heat uniformity and reliability as claimed in claim 1, wherein said gear (13) is coated with grease.
5. The solar water heater with high heating uniformity and high reliability as claimed in claim 1, wherein the driving assembly comprises a motor (9), a worm (10) and a plurality of worm wheels (11), the motor (9) is fixed inside the supporting plate (1), the motor (9) is in transmission connection with the worm (10), the number of the worm wheels (11) is equal to the number of the rotating shafts (12), the worm wheels (11) are in one-to-one correspondence with the rotating shafts (12), the worm wheels (11) are fixed on the rotating shafts (12), the worm wheels (11) are meshed with the worm (10), and the motor (9) is electrically connected with the PLC.
6. The solar water heater with high heating uniformity and reliability as claimed in claim 5, wherein said motor (9) is a servo motor.
7. The solar water heater with high heating uniformity and high reliability as claimed in claim 1, wherein one side of the protection plate (17) close to the heat collecting tube (4) is coated with a reflective material.
8. The solar water heater with high heating uniformity and high reliability as claimed in claim 1, wherein a raindrop sensor (20) is arranged on the support plate (1), and the raindrop sensor (20) is electrically connected with the PLC.
9. The solar water heater with high heating uniformity and high reliability as claimed in claim 1, wherein a temperature sensor (19) is arranged in the water tank (2), and the temperature sensor (19) is electrically connected with the PLC.
10. The solar water heater with high heating uniformity and high reliability as claimed in claim 1, wherein the pull wire (6) is made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187337.7A CN110806019A (en) | 2019-11-28 | 2019-11-28 | Solar water heater with uniform heating and high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187337.7A CN110806019A (en) | 2019-11-28 | 2019-11-28 | Solar water heater with uniform heating and high reliability |
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| Publication Number | Publication Date |
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| CN110806019A true CN110806019A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911187337.7A Withdrawn CN110806019A (en) | 2019-11-28 | 2019-11-28 | Solar water heater with uniform heating and high reliability |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947332A (en) * | 2020-08-20 | 2020-11-17 | 周友金 | Self-rotating solar water heating pipe |
| CN112146294A (en) * | 2020-09-24 | 2020-12-29 | 芜湖时烁电子科技有限公司 | Solar heat collecting pipe |
| CN112728786A (en) * | 2021-01-23 | 2021-04-30 | 厦门蔷霖纺织有限公司 | Solar heat collection power generation light-gathering point adjusting device |
| CN113405267A (en) * | 2021-06-24 | 2021-09-17 | 蹇林志 | Solar water heater capable of wiping dust on outer surface of heat collecting pipe |
-
2019
- 2019-11-28 CN CN201911187337.7A patent/CN110806019A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947332A (en) * | 2020-08-20 | 2020-11-17 | 周友金 | Self-rotating solar water heating pipe |
| CN112146294A (en) * | 2020-09-24 | 2020-12-29 | 芜湖时烁电子科技有限公司 | Solar heat collecting pipe |
| CN112728786A (en) * | 2021-01-23 | 2021-04-30 | 厦门蔷霖纺织有限公司 | Solar heat collection power generation light-gathering point adjusting device |
| CN113405267A (en) * | 2021-06-24 | 2021-09-17 | 蹇林志 | Solar water heater capable of wiping dust on outer surface of heat collecting pipe |
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Address after: 224007 No. 18, Xiangjiang Road, Yancheng City economic and Technological Development Zone, Jiangsu Applicant after: JIANGSU SUNNIC SOLAR ENERGY INDUSTRY Co.,Ltd. Address before: 224007 No. 18 Xiangjiang Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Applicant before: JIANGSU SUNNIC SOLAR ENERGY INDUSTRY Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200218 |