CN110836541A - Efficient solar water heater with temperature control function - Google Patents
Efficient solar water heater with temperature control function Download PDFInfo
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- CN110836541A CN110836541A CN201911203976.8A CN201911203976A CN110836541A CN 110836541 A CN110836541 A CN 110836541A CN 201911203976 A CN201911203976 A CN 201911203976A CN 110836541 A CN110836541 A CN 110836541A
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- water tank
- heat
- water heater
- piston block
- sealing cylinder
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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
- F24S10/74—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other
- F24S10/742—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other the conduits being parallel to each other
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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
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/50—Preventing overheating or overpressure
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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
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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
- F24S80/60—Thermal insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a high-efficiency solar water heater with a temperature control function, which comprises a water tank, at least two heat collecting pipes, an adjusting mechanism and a flow guide mechanism, wherein the adjusting mechanism comprises a sealing cylinder, a piston block, a cover plate, a first air hole, a second air hole, at least two heat conducting pipes and two limiting components, the flow guide component comprises a driving shaft, two connecting wires, two mounting bearings, two torsion springs and at least two flow guide components, the limiting components comprise a limiting rod, a spring and a fixed sleeve, the flow guide components comprise a first gear, a second gear, a transmission shaft and a propeller, in the high-efficiency solar water heater with the temperature control function, the temperature and the pressure in the water tank can be adjusted through the adjusting mechanism, the probability of damage of the solar water heater is reduced, and the heat exchange efficiency between the water tank and the water in the heat collecting pipes is accelerated through the, the heating efficiency of the solar water heater is improved.
Description
Technical Field
The invention relates to the field of solar equipment, in particular to a high-efficiency solar water heater with a temperature control function.
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 tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and the vacuum heat collecting tube can utilize the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water.
When the solar water heater in the prior art is used, if sunlight is too strong, water in the solar water heater is evaporated into steam due to overhigh temperature, so that the internal pressure of the solar water heater is overhigh, the sealing performance of the solar water heater is damaged, and furthermore, the water between a water tank and a heat collecting pipe of the solar water heater in the prior art is subjected to heat exchange through the hot water rising principle, so that the heat exchange efficiency is too low, the heating efficiency of the solar water heater on the water is reduced, and the practicability of the solar water heater is reduced.
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 high-efficiency solar water heater with the temperature control function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-efficiency solar water heater with a temperature control function comprises a water tank, at least two heat collecting pipes, an adjusting mechanism and a flow guide mechanism, wherein the water tank is cylindrical, the axes of the heat collecting pipes are perpendicular to the axis of the water tank, one end of each heat collecting pipe is communicated with the inside of the water tank, the adjusting mechanism is arranged at the top of the water tank, and the flow guide mechanism is arranged inside the water tank;
the adjusting mechanism comprises a sealing cylinder, a piston block, a cover plate, a first air hole, a second air hole, at least two heat conduction pipes and two limiting components, wherein the axis of the sealing cylinder is perpendicular to and intersected with the axis of the water tank, one end of the sealing cylinder is communicated with the inside of the water tank, the cover plate covers the other end of the sealing cylinder, the cover plate is in sealing connection with the sealing cylinder, the piston block is matched with the sealing cylinder, the piston block is arranged inside the bottom end of the sealing cylinder, the piston block is in sliding and sealing connection with the sealing cylinder, at least two through holes are formed in the piston block, the number of the through holes is equal to that of the heat conduction pipes, the through holes are in one-to-one correspondence with the heat conduction pipes, the heat conduction pipes are parallel to the axis of the sealing cylinder, each of the piston block passes through, the heat conduction pipes are fixedly connected with the piston block, the length of the heat conduction pipe is smaller than the inner diameter of the water tank, the two limiting assemblies are symmetrically arranged relative to the axis of the sealing cylinder, the two limiting assemblies are arranged on the inner wall of one side, close to the sealing cylinder, of the water tank, the two limiting assemblies are connected with the piston block, the first air hole is perpendicular to the heat conduction pipe, the first air hole is formed in the end, far away from the water tank, of the piston block, the two ends of the first air hole are communicated with the outside of the piston block, the second air hole is formed in the piston block, one end of the second air hole is communicated with the first air hole, and the other end of the second air hole is communicated with the inside of the water tank;
the water conservancy diversion subassembly includes drive shaft, two connecting wires, two installation bearings, two torsion spring and two at least water conservancy diversion subassemblies, the axis of drive shaft is parallel with the axis of water tank, the both ends of drive shaft all are through the interior wall connection of installation bearing with the water tank, the both ends of drive shaft all are through the inner wall fixed connection of torsion spring with the water tank, and the one end of two connecting wires is connected with two spacing subassemblies respectively, and the other end of two connecting wires all convolutes in the periphery of drive shaft, and the direction of convoluteing of two connecting wires is the same, the quantity of water conservancy diversion subassembly equals with the quantity of thermal-collecting tube, water conservancy diversion subassembly and thermal-collecting tube one-to-one, the water conservancy diversion subassembly sets up the inside at the thermal.
Preferably, in order to improve the automation degree of the solar water heater, the water tank is provided with a control box, the control box is internally provided with a PLC, the control box is provided with a display screen and at least two control keys, and the display screen and the control keys are electrically connected with the PLC.
Preferably, in order to provide power for the piston block, the limiting component comprises a limiting rod, a spring and a fixed sleeve, the axis of the fixed sleeve is parallel to the heat conducting pipe, the fixed sleeve is fixedly connected with one side of one end, close to the water tank, of the sealing cylinder, the limiting rod is coaxially arranged with the fixed sleeve, the limiting rod penetrates through the fixed sleeve, the limiting rod is in sliding connection with the fixed sleeve, one end of the limiting rod is fixedly connected with the piston block, the spring is sleeved on the limiting rod, the other end of the limiting rod is fixedly connected with the fixed sleeve through the spring, the spring is in a compression state, a limiting block is arranged at the other end of the limiting rod, the distance between one end, far away from the sealing cylinder, of the limiting rod and the fixed sleeve is smaller than the distance between one end, far away from the cover plate, of the piston block and the cover plate, the distance between one end, far away from the sealing cylinder, of the limiting, and one end of the connecting wire, which is far away from the driving shaft, is fixedly connected with one end of the limiting rod, which is far away from the sealing barrel.
As preferred, for the inside rivers of drive thermal-collecting tube flow, the water conservancy diversion subassembly includes first gear, second gear, transmission shaft and screw, transmission shaft and the coaxial setting of thermal-collecting tube, transmission shaft and thermal-collecting tube all set up the inside at the thermal-collecting tube, be equipped with fixing bearing on the transmission shaft, the transmission shaft passes through fixing bearing and is connected with the thermal-collecting tube, the one end and the screw fixed connection of transmission shaft, the other end and the second gear fixed connection of transmission shaft, first gear is installed in the drive shaft, first gear and the meshing of second gear.
Preferably, in order to improve the heat absorption efficiency of the heat collection tube, the heat collection tube is black in color.
Preferably, in order to improve the heat preservation performance of the water tank, the water tank is coated with a heat preservation coating.
Preferably, a check valve is provided in the second air hole to improve the dust-proof performance of the second air hole.
Preferably, in order to improve the sealing performance between the sealing cylinder and the piston block, the inner wall of the sealing cylinder is coated with sealing grease.
Preferably, the heat transfer pipe is made of copper metal in order to improve the heat transfer efficiency of the heat transfer pipe.
Preferably, at least two fins are arranged on the heat transfer pipe in order to improve the heat dissipation efficiency of the heat transfer pipe.
The efficient solar water heater with the temperature control function has the advantages that the water temperature and the pressure in the water tank can be adjusted through the adjusting mechanism, the probability of damage of the solar water heater is reduced, compared with the existing adjusting mechanism, the adjusting mechanism can reduce the amount of scale generated in the water tank by controlling the water temperature in the water tank, so that the water in the water tank is cleaner, the heat exchange efficiency between the water tank and the water in the heat collecting pipe is accelerated through the flow guide mechanism, the heating efficiency of the solar water heater is improved, and compared with the existing flow guide mechanism, the flow guide mechanism realizes linkage between the adjusting mechanism and improves the energy-saving performance of the solar water heater.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a high-efficiency solar water heater with temperature control function according to the present invention;
FIG. 2 is a schematic structural diagram of an adjusting mechanism of the efficient solar water heater with temperature control function according to the present invention;
FIG. 3 is a schematic structural diagram of a diversion mechanism of the high-efficiency solar water heater with temperature control function of the invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
in the figure: 1. the heat collecting device comprises a water tank, a driving shaft, a transmission shaft, a heat collecting pipe, a sealing barrel, a cover plate, a fin, a heat conducting pipe, a piston block, a fixing sleeve, a spring, a connecting line, a limiting rod, a first gear, a second gear, a propeller and a bearing, wherein the driving shaft is 2, the transmission shaft is 3, the heat collecting pipe is 4, the sealing barrel is 5, the cover plate is 6, the fin is 7, the heat conducting pipe is 8, the first air hole is 9, the check valve is 10, the piston block is 11, the fixing sleeve is.
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 high-efficiency solar water heater with a temperature control function comprises a water tank 1 and at least two heat collecting tubes 4, wherein the water tank 1 is cylindrical, the axes of the heat collecting tubes 4 are perpendicular to the axis of the water tank 1, one end of each heat collecting tube 4 is communicated with the inside of the water tank 1, the high-efficiency solar water heater also comprises an adjusting mechanism and a flow guide mechanism, the adjusting mechanism is arranged at the top of the water tank 1, and the flow guide mechanism is arranged inside the water tank 1;
the water temperature and pressure in the water tank 1 can be adjusted through the adjusting mechanism, the probability of damage of the solar water heater is reduced, the heat exchange efficiency between the water tank 1 and the water in the heat collecting pipe 4 is accelerated through the flow guide mechanism, and the heating efficiency of the solar water heater is improved;
as shown in fig. 2, the adjusting mechanism includes a sealing cylinder 5, a piston block 11, a cover plate 6, a first air hole 9, a second air hole 14, at least two heat pipes 8, and two limiting components, wherein an axis of the sealing cylinder 5 is perpendicular to and intersects with an axis of the water tank 1, one end of the sealing cylinder 5 is communicated with the inside of the water tank 1, the cover plate 6 covers the other end of the sealing cylinder 5, the cover plate 6 is connected with the sealing cylinder 5 in a sealing manner, the piston block 11 is matched with the sealing cylinder 5, the piston block 11 is disposed inside a bottom end of the sealing cylinder 5, the piston block 11 is connected with the sealing cylinder 5 in a sliding manner and in a sealing manner, at least two through holes are disposed inside the piston block 11, the number of the through holes is equal to the number of the heat pipes 8, the through holes correspond to the heat pipes 8 one to one another, the heat pipes 8 are parallel to the axis of the sealing cylinder 5, the heat conduction pipe 8 is fixedly connected with the piston block 11, one end of the heat conduction pipe 8 is fixedly connected with the cover plate 6, the length of the heat conduction pipe 8 is smaller than the inner diameter of the water tank 1, the two limiting assemblies are symmetrically arranged about the axis of the sealing cylinder 5, both limiting assemblies are arranged on the inner wall of one side, close to the sealing cylinder 5, of the water tank 1, both limiting assemblies are connected with the piston block 11, the first air hole 9 is perpendicular to the heat conduction pipe 8, the first air hole 9 is arranged inside one end, far away from the water tank 1, of the piston block 11, both ends of the first air hole 9 are communicated with the outside of the piston block 11, the second air hole 14 is arranged inside the piston block 11, one end of the second air hole 14 is communicated with the first air hole 9, and the other end of the second air hole 14 is communicated with the inside of the water;
when the water temperature in the water tank 1 is low, the pressure in the water tank 1 is low, the piston block 11 is pulled through the limiting component, so that the cover plate 6 covers the sealing cylinder 5, the heat insulation performance of the heat conduction pipe 8 is realized, the heat dissipation efficiency in the water tank 1 is reduced, the heat insulation performance of the water tank 1 is improved, when the water temperature in the water tank 1 is increased, water is evaporated into steam, the pressure in the water tank 1 is increased, the piston block 11 is pushed to rise along the sealing cylinder 5 through air pressure, the top end of the heat conduction pipe 8 rises to the outside of the sealing cylinder 5, the heat dissipation efficiency on the heat conduction pipe 8 is accelerated through air flow, then the heat in the water tank 1 is absorbed through the heat conduction pipe 8, the temperature of the water in the water tank 1 is reduced, the air pressure in the water tank 1 is reduced, when the air pressure in the water tank 1 is too high, the piston block 11 continues to rise, so that the first air hole 9, when the internal pressure of the water tank 1 is in a normal state, the piston block 11 is driven to reset through the limiting assembly, so that the solar water heater can work normally;
as shown in fig. 3-4, the diversion assembly includes a driving shaft 2, two connecting lines 15, two mounting bearings 20, two torsion springs 21 and at least two diversion assemblies, an axis of the driving shaft 2 is parallel to an axis of the water tank 1, two ends of the driving shaft 2 are connected to an inner wall of the water tank 1 through the mounting bearings 20, two ends of the driving shaft 2 are fixedly connected to an inner wall of the water tank 1 through the torsion springs 21, one ends of the two connecting lines 15 are respectively connected to two limiting assemblies, the other ends of the two connecting lines 15 are wound around an outer circumference of the driving shaft 2, winding directions of the two connecting lines 15 are the same, the number of the diversion assemblies is equal to the number of the heat collecting tubes 4, the diversion assemblies correspond to the heat collecting tubes 4 one by one, the diversion assemblies are disposed inside the heat collecting tubes 4, and the diversion assemblies are;
the stability of drive shaft 2 has been improved through installation bearing 20, at the in-process that piston block 11 removed, through spacing subassembly pulling connecting wire 15, then under connecting wire 15 and torsion spring 21's effect, drive shaft 2 rotates, then through the operation of each water conservancy diversion subassembly of drive shaft 2 drive, then flow through the inside water circulation of water conservancy diversion subassembly drive water tank 1 and thermal-collecting tube 4 for the efficiency of the inside heat conduction of solar water heater has been accelerated, solar water heater's heating efficiency has been improved.
Preferably, in order to improve the automation degree of the solar water heater, the water tank 1 is provided with a control box, a PLC is arranged in the control box, the control box is provided with a display screen and at least two control keys, and the display screen and the control keys are electrically connected with the PLC;
the PLC is a programmable logic controller, which adopts a programmable memory for storing programs therein, executing instructions facing users such as logic operation, sequence control, timing, counting, arithmetic operation and the like, and controlling various types of machinery or production processes through digital or analog input/output, and is essentially a computer special for industrial control, the hardware structure of the PLC is basically the same as that of a microcomputer, the PLC is generally used for data processing and instruction receiving and outputting and is used for realizing central control, an operator sends a control signal to the PLC through a control key, the PLC controls the solar water heater to operate, and meanwhile, the working state of the solar water heater can be displayed through a display screen, so that the automation degree of the solar water heater is improved.
As shown in fig. 2, the limiting component includes a limiting rod 16, a spring 13 and a fixing sleeve 12, an axis of the fixing sleeve 12 is parallel to the heat conducting pipe 8, the fixing sleeve 12 is fixedly connected with one side of one end of the sealing cylinder 5 close to the water tank 1, the limiting rod 16 is coaxially arranged with the fixing sleeve 12, the limiting rod 16 passes through the fixing sleeve 12, the limiting rod 16 is slidably connected with the fixing sleeve 12, one end of the limiting rod 16 is fixedly connected with the piston block 11, the spring 13 is sleeved on the limiting rod 16, the other end of the limiting rod 16 is fixedly connected with the fixing sleeve 12 through the spring 13, the spring 13 is in a compression state, the other end of the limiting rod 16 is provided with a limiting block, a distance between one end of the limiting rod 16 far away from the sealing cylinder 5 and the fixing sleeve 12 is smaller than a distance between one end of the piston block 11 far away from the cover plate 6 and the cover plate, the distance between one end of the limiting rod 16, which is far away from the sealing barrel 5, and the fixing sleeve 12 is greater than the distance between the first air hole 9 and the cover plate 6, one end of the connecting wire 15, which is far away from the driving shaft 2, is fixedly connected with one end of the limiting rod 16, which is far away from the sealing barrel 5, and the connecting wire 15 can be pulled to move through the limiting rod 16 in the lifting process of the limiting rod 16;
under the supporting action of the fixed sleeve 12, the stability of the limiting rod 16 is improved, under the limiting action of the limiting block, the falling probability of the limiting rod 16 and the fixed sleeve 12 is reduced, the moving distance of the piston block 11 is limited through the limiting rod 16, the stability of the connection between the piston block 11 and the sealing cylinder 5 is improved, when the air pressure in the water tank 1 is increased, the air pressure drives the piston block 11 to move towards the direction far away from the water tank 1, the limiting rod 16 moves along the fixed sleeve 12 through the piston block 11, when the air pressure is reduced, the limiting rod 16 is driven to move towards the direction close to the water tank 1 along the fixed sleeve 12 through the spring 13, the resetting of the piston block 11 is realized, because the elasticity of the spring 13 is in direct proportion to the compression amount of the spring 13, the moving distance of the piston block 11 can correspond to the air pressure in the water tank 1 by replacing the springs 13 with different elastic coefficients, the regulation of the air pressure inside the water tank 1 is achieved.
As shown in fig. 3, the diversion assembly includes a first gear 17, a second gear 18, a transmission shaft 3 and a propeller 19, the transmission shaft 3 and the heat collecting tube 4 are coaxially arranged, the transmission shaft 3 and the heat collecting tube 4 are both arranged inside the heat collecting tube 4, a fixed bearing is arranged on the transmission shaft 3, the transmission shaft 3 is connected with the heat collecting tube 4 through the fixed bearing, one end of the transmission shaft 3 is fixedly connected with the propeller 19, the other end of the transmission shaft 3 is fixedly connected with the second gear 18, the first gear 17 is mounted on the driving shaft 2, and the first gear 17 is meshed with the second gear 18;
drive first gear 17 through drive shaft 2 and rotate, drive second gear 18 through first gear 17 and rotate, then under the transmission of transmission shaft 3, through the rotation of second gear 18 drive screw 19, then flow through the inside rivers of screw 19 drive thermal-collecting tube 4, realized water tank 1 and the inside thermal quick conduction of thermal-collecting tube 4 through rivers, improved solar water heater's heating efficiency.
Preferably, in order to improve the heat absorption efficiency of the heat collection tube 4, the color of the heat collection tube 4 is black;
black has better absorption effect to sunlight, improves the efficiency of the heat collecting tube 4 for absorbing sunlight, and improves the heat absorbing efficiency of the heat collecting tube 4.
Preferably, in order to improve the heat preservation performance of the water tank 1, a heat preservation coating is coated on the water tank 1;
the heat dissipation efficiency of the internal heat of the water tank 1 is slowed down through the heat-insulating coating, and the heat-insulating performance of the water tank 1 is improved.
Preferably, in order to improve the dustproof performance of the second air hole 14, a check valve 10 is arranged inside the second air hole 14;
the second air hole 14 can only exhaust air to the outside through the check valve 10, and outside air cannot enter the water tank 1, so that the dustproof performance of the second air hole 14 is improved.
Preferably, in order to improve the sealing performance between the sealing cylinder 5 and the piston block 11, the inner wall of the sealing cylinder 5 is coated with sealing grease;
the clearance between the sealing cylinder 5 and the piston block 11 is reduced by the sealing grease, and the sealing performance between the sealing cylinder 5 and the piston block 11 is improved.
Preferably, in order to improve the heat conduction efficiency of the heat conduction pipe 8, the material for manufacturing the heat conduction pipe 8 is metal copper;
because metal copper has better heat conductivility, improved the heat conduction efficiency of heat pipe 8, improved the radiating efficiency to the inside of water tank 1.
Preferably, in order to improve the heat dissipation efficiency of the heat transfer pipe 8, at least two fins 7 are arranged on the heat transfer pipe 8;
the heat dissipation area of the heat conduction pipe 8 is increased by the fins 7, and the heat dissipation efficiency of the heat conduction pipe 8 is improved.
When the water temperature in the water tank 1 rises, water is evaporated into steam, the pressure in the water tank 1 is increased, the piston block 11 is pushed by air pressure to rise along the sealing cylinder 5, the top end of the heat pipe 8 rises to the outside of the sealing cylinder 5, the efficiency of heat dissipation on the heat pipe 8 is accelerated by air flow, then the heat in the water tank 1 is absorbed by the heat pipe 8, the temperature of the water in the water tank 1 is reduced, the air pressure in the water tank 1 is reduced, when the air pressure in the water tank 1 is too high, the piston block 11 continues to rise, the first air hole 9 rises to the outside of the sealing cylinder 5, the pressure in the water tank 1 is relieved through the first air hole 9 and the second air hole 14, the pressure in the water tank 1 is reduced, the probability of damage of the solar water heater is reduced, in the process of the movement of the piston block 11, the connecting line 15 is pulled through the limiting component, under the action of the connecting wire 15 and the torsion spring 21, the driving shaft 2 is driven to rotate, the driving shaft 2 drives the flow guide assemblies to operate, and the flow guide assemblies drive water in the water tank 1 and the heat collecting pipes 4 to circularly flow, so that the heat conduction efficiency in the solar water heater is increased, and the heating efficiency of the solar water heater is improved.
Compared with the prior art, in this high-efficient solar water heater with control by temperature change function, can adjust water tank 1 inside temperature and pressure through adjustment mechanism, the probability that solar water heater takes place the damage has been reduced, compare with current adjustment mechanism, this adjustment mechanism is through the inside temperature of control water tank 1, can reduce the quantity of 1 inside incrustation scale that produces of water tank, make the water of 1 inside of water tank cleaner, moreover, the heat exchange efficiency between the water of 1 and thermal-collecting tube 4 inside water of water tank has been accelerated through water conservancy diversion mechanism, solar water heater's heating efficiency has been improved, compare with current water conservancy diversion mechanism, this water conservancy diversion mechanism has realized the linkage between the adjustment mechanism, solar water heater's energy-saving performance has been improved.
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 high-efficiency solar water heater with a temperature control function comprises a water tank (1) and at least two heat collecting pipes (4), wherein the water tank (1) is cylindrical, the axes of the heat collecting pipes (4) are vertical to the axis of the water tank (1), and one end of each heat collecting pipe (4) is communicated with the inside of the water tank (1), and the high-efficiency solar water heater is characterized by further comprising an adjusting mechanism and a flow guide mechanism, wherein the adjusting mechanism is arranged at the top of the water tank (1), and the flow guide mechanism is arranged inside the water tank (1);
the adjusting mechanism comprises a sealing cylinder (5), a piston block (11), a cover plate (6), a first air hole (9), a second air hole (14), at least two heat-conducting pipes (8) and two limiting assemblies, wherein the axis of the sealing cylinder (5) is perpendicular to and intersected with the axis of a water tank (1), one end of the sealing cylinder (5) is communicated with the inside of the water tank (1), the cover plate (6) covers the other end of the sealing cylinder (5), the cover plate (6) is hermetically connected with the sealing cylinder (5), the piston block (11) is matched with the sealing cylinder (5), the piston block (11) is arranged inside the bottom end of the sealing cylinder (5), the piston block (11) is slidably and hermetically connected with the sealing cylinder (5), at least two through holes are formed in the piston block (11), and the number of the through holes is equal to that of the heat-conducting pipes (8), the through holes correspond to the heat conduction pipes (8) one to one, the heat conduction pipes (8) are parallel to the axis of the sealing cylinder (5), each heat conduction pipe (8) penetrates through the piston block (11), the heat conduction pipes (8) are fixedly connected with the piston block (11), one end of each heat conduction pipe (8) is fixedly connected with the cover plate (6), the length of each heat conduction pipe (8) is smaller than the inner diameter of the water tank (1), the two limiting components are symmetrically arranged relative to the axis of the sealing cylinder (5), the two limiting components are arranged on the inner wall of one side, close to the sealing cylinder (5), of the water tank (1), the two limiting components are connected with the piston block (11), the first air holes (9) are perpendicular to the heat conduction pipes (8), the first air holes (9) are arranged in the inner portion, far away from one end of the water tank (1), of the piston block (11), two ends of the first air holes (9) are communicated with the outer portion of the piston block, the second air hole (14) is formed in the piston block (11), one end of the second air hole (14) is communicated with the first air hole (9), and the other end of the second air hole (14) is communicated with the inside of the water tank (1);
the flow guide assembly comprises a driving shaft (2), two connecting wires (15), two mounting bearings (20), two torsion springs (21) and at least two flow guide assemblies, the axis of the driving shaft (2) is parallel to the axis of the water tank (1), the two ends of the driving shaft (2) are connected with the inner wall of the water tank (1) through the mounting bearings (20), the two ends of the driving shaft (2) are fixedly connected with the inner wall of the water tank (1) through the torsion springs (21), one ends of the two connecting wires (15) are respectively connected with the two limiting assemblies, the other ends of the two connecting wires (15) are wound on the periphery of the driving shaft (2), the winding directions of the two connecting wires (15) are the same, the number of the flow guide assemblies is equal to that of the heat collecting tubes (4), the flow guide assemblies correspond to the heat collecting tubes (4) one to one, the flow guide assemblies are arranged inside the heat collecting tubes, the flow guide assembly is connected with the driving shaft (2).
2. The efficient solar water heater with the temperature control function as claimed in claim 1, wherein a control box is arranged on the water tank (1), a PLC is arranged inside the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and each control key are electrically connected with the PLC.
3. The efficient solar water heater with the temperature control function according to claim 1, wherein the limiting component comprises a limiting rod (16), a spring (13) and a fixing sleeve (12), the axis of the fixing sleeve (12) is parallel to the heat pipe (8), the fixing sleeve (12) is fixedly connected with one side of one end of the sealing cylinder (5) close to the water tank (1), the limiting rod (16) is coaxially arranged with the fixing sleeve (12), the limiting rod (16) penetrates through the fixing sleeve (12), the limiting rod (16) is slidably connected with the fixing sleeve (12), one end of the limiting rod (16) is fixedly connected with the piston block (11), the spring (13) is sleeved on the limiting rod (16), the other end of the limiting rod (16) is fixedly connected with the fixing sleeve (12) through the spring (13), and the spring (13) is in a compressed state, be equipped with the stopper on the other end of gag lever post (16), the distance between the one end of keeping away from sealed section of thick bamboo (5) of gag lever post (16) and fixed sleeving (12) is less than the distance between the one end of keeping away from apron (6) of piston piece (11) and apron (6), the distance between the one end of keeping away from sealed section of thick bamboo (5) of gag lever post (16) and fixed sleeving (12) is greater than the distance between first gas pocket (9) and apron (6), the one end of keeping away from drive shaft (2) of connecting wire (15) and the one end fixed connection of keeping away from sealed section of thick bamboo (5) of gag lever post (16).
4. The efficient solar water heater with the temperature control function according to claim 1, wherein the flow guide assembly comprises a first gear (17), a second gear (18), a transmission shaft (3) and a propeller (19), the transmission shaft (3) and the heat collecting tube (4) are coaxially arranged, the transmission shaft (3) and the heat collecting tube (4) are both arranged inside the heat collecting tube (4), a fixed bearing is arranged on the transmission shaft (3), the transmission shaft (3) is connected with the heat collecting tube (4) through the fixed bearing, one end of the transmission shaft (3) is fixedly connected with the propeller (19), the other end of the transmission shaft (3) is fixedly connected with the second gear (18), the first gear (17) is mounted on the driving shaft (2), and the first gear (17) is meshed with the second gear (18).
5. The efficient solar water heater with temperature control function as claimed in claim 1, wherein the color of the heat collecting tube (4) is black.
6. The solar water heater with high efficiency and temperature control function as claimed in claim 1, wherein the water tank (1) is coated with a heat preservation coating.
7. The solar water heater with high efficiency and temperature control function as claimed in claim 1, wherein the second air hole (14) is internally provided with a one-way valve (10).
8. The solar water heater with high efficiency and temperature control function as claimed in claim 1, wherein the inner wall of the sealing cylinder (5) is coated with sealing grease.
9. The solar water heater with high efficiency and temperature control function as claimed in claim 1, wherein the heat conducting pipe (8) is made of copper.
10. A solar water heater with high efficiency and temperature control function as claimed in claim 1, wherein at least two fins (7) are arranged on the heat conduction pipe (8).
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| CN201911203976.8A CN110836541B (en) | 2019-11-29 | 2019-11-29 | Solar water heater with temperature control function |
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| CN110836541B (en) | 2020-12-08 |
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Effective date of registration: 20201120 Address after: Changfeng Shuangfeng Economic Development Zone, Hefei City, Anhui province 231131 Applicant after: HEFEI ROYALSTAR SOLAR Co.,Ltd. Address before: No. 101, unit 6, Ulan hada street, huolingole City, Tongliao City, Inner Mongolia Autonomous Region Applicant before: Dong Shujie |
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