CN108019963A - A kind of collecting plate illumination power adjustable without dirty intelligent solar water heater - Google Patents

A kind of collecting plate illumination power adjustable without dirty intelligent solar water heater Download PDF

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Publication number
CN108019963A
CN108019963A CN201711220256.3A CN201711220256A CN108019963A CN 108019963 A CN108019963 A CN 108019963A CN 201711220256 A CN201711220256 A CN 201711220256A CN 108019963 A CN108019963 A CN 108019963A
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China
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collecting plate
temperature
water
working media
water tank
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CN201711220256.3A
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CN108019963B (en
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李明守
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Dongying East Machinery Manufacture Co ltd
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Individual
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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

Abstract

The present invention disclose a kind of collecting plate illumination power adjustable without dirty intelligent solar water heater, including controller, the collecting plate of built-in working media, water tank, fixed frame, drive motor.The collecting plate and fixed frame are pivotally connected by shaft, drive motor and shaft axis connection, embedded in water storage tank is used for the heat exchanger for heating water, circulating pump is set in the heating pipeline being connected between collecting plate and heat exchanger, it is other on heating pipeline to connect radiator, form the heat dissipation pipeline with heating pipeline common recycle pump；When the water temperature of water tank reaches higher preset value, controller manipulates collecting plate and is rotated relative to shaft, adjust the angle of collecting plate and sunray, the illumination power of collecting plate is reduced to minimum value, prevent water temperature from continuing to raise, when working media temperature is excessive, cooled down by radiator heat-dissipation, product scaling on water tank and heat exchanger is effectively avoided, and causes collecting plate to damage because working media temperature is excessive, or even is exploded.

Description

A kind of collecting plate illumination power adjustable without dirty intelligent solar water heater
Technical field
The present invention relates to a kind of solar water heater, more particularly to a kind of collecting plate illumination power adjustable is intelligent without dirt Solar water heater, adjusts the illumination power of collecting plate, intelligent control water temperature, effectively avoids it from producing water in use Dirt.
Background technology
The application of solar water heater has spread to huge numbers of families, with the growth of usage time, solar water heater On water storage chamber interior wall and heat exchanger, incrustation scale is gradually formed, incrustation scale is cumulative, causes that the volume of water tank is less and less, water outlet Mouth blocks, valve damage, shower nozzle damage etc..Incrustation scale on heat exchanger make it that heat exchange efficiency is low, easily leads in collecting plate Working media temperature it is excessive and damage collecting plate, or even can also trigger collecting plate to produce explosion.Thus, it is a kind of there is an urgent need for exploitation Collecting plate illumination power adjustable without dirty intelligent solar water heater, the illumination power intelligent temperature control of collecting plate is adjusted, to keep away Exempt from incrustation scale generation.
The content of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of nothing of collecting plate illumination power adjustable Dirty intelligent solar water heater, adjusts the illumination power of collecting plate, intelligent control water temperature, prevents incrustation scale from generating.
Technical scheme is as follows：
A kind of collecting plate illumination power adjustable is without dirty intelligent solar water heater, its designing points：Including with In to the controller of solar water heater implementation control, the collecting plate of built-in working media, the water tank with heat insulation function, use Fixed frame, driving motor, the circulating pump for driving working media flow in carrying collecting plate and dissipate for working media The radiator of heat；The collecting plate is fixed by shaft and fixed frame axis connection, collecting plate and shaft, drives motor and described turn Axis axis connection, rotates around the axis to adjust the illumination power of collecting plate suitable for driving collecting plate；Assembling is used to detect on water tank First temperature sensor of water tank water temperature, embedded in water storage tank are used for the heat exchanger and electric heater for heating water；The collecting plate It is upper that the light intensity sensor for being used for detecting solar irradiation power suffered by collecting plate is set；The delivery outlet of the collecting plate, heat exchanger, follow Ring pump, the input port of collecting plate are connected by pipeline and form heating pipeline, are transported thermal energy suitable for working media circulation and are passed through Water in heat exchanger heat exchange water tank, on the heating pipeline assembling be used to control the circulation of heating pipeline, blocking state switching The first solenoid valve；The delivery outlet of the collecting plate, radiator, circulating pump, the input port of collecting plate are connected by pipeline and formed Heat dissipation pipeline, transports thermal energy suitable for working media circulation and cools down through radiator heat-dissipation, assembles and is used on the heat dissipation pipeline Control heat dissipation pipeline circulation, the second solenoid valve of blocking state switching；Controller is based on the first temperature sensor and obtains water tank Water temperature, when the water temperature of water tank reaches the first preset value, controller based on light intensity sensor obtain collecting plate illumination work( Rate, manipulates driving motor and rotates, adjust the angle between collecting plate and sunray, to reduce the illumination power of collecting plate, until The illumination performance number of light intensity sensor feedback is stopped when minimum, to prevent the water temperature in water tank from raising, prevent water storage chamber interior wall and Sediment incrustation on heat exchanger.
In the application, the present invention also has following optional technical solution.
Alternatively, the driving motor and the shaft axis connection include driving motor via reducer and the shaft axis Connection, drive motor by gear mechanism and the shaft axis connection, drive in the output shaft and the shaft axis connection of motor Any axis connection mode.
Alternatively, when the water temperature of water tank is raised to first preset value, controller can also manipulate the first electromagnetism Valve events block the circulation of heating pipeline, manipulation second solenoid valve action heat dissipation pipeline is circulated, and the temperature in collecting plate is higher Working media flows through radiator heat-dissipation, forms the relatively low working media of temperature, and is back to through heat dissipation pipeline in collecting plate, with resistance The only water temperature rise in water tank, prevents sediment incrustation on water storage chamber interior wall and heat exchanger.
Alternatively, assembling is used for the second temperature sensor for detecting working media temperature, the control on the collecting plate Device obtains the temperature of working media based on the second temperature sensor；When the water temperature of water tank reaches the first preset value, controller behaviour Vertical circulating pump shuts down, and when the temperature of working media is higher than the second preset value, controller manipulates second solenoid valve action, makes Heat dissipation pipeline circulates, and manipulates circulation pump startup, working media flows through radiator cooling, until the temperature of working media drops to the 3rd Stop during preset value, the second preset value is more than the first preset value.
Alternatively, assembling is used for the second temperature sensor for detecting working media temperature on the collecting plate；The control Device is obtained the water temperature of water tank based on the first temperature sensor, the temperature of working media is obtained based on the second temperature sensor, works as work When the difference of the temperature of medium and the water temperature of water tank reaches the first heat exchange threshold value, controller, which manipulates the first electromagnetism valve events, makes heating Pipeline circulates, and manipulates circulation pump startup, working media flows through the water in heat exchanger heating water tank, until the temperature of working media And the difference of the water temperature of water tank is stopped when reaching the second heat exchange threshold value, manipulate circulating pump and stop, the first heat exchange threshold value is changed more than second Hot threshold value；When the temperature of working media and the difference of water temperature of water tank reach the water temperature of the first heat exchange threshold value and water tank and reach During the first preset value, controller, which manipulates second solenoid valve action, makes heat dissipation pipeline circulate, and manipulates circulating pump and opens, working media stream Cool down through radiator heat-dissipation, stop when the temperature of working media and the difference of water temperature of water tank reach the second heat exchange threshold value；Make For preferably, when the temperature that the water temperature of water tank reaches the first preset value and working media is higher than the second preset value, controller Just manipulating second solenoid valve action makes heat dissipation pipeline circulate, and manipulates circulation pump startup, and working media flows through radiator heat-dissipation cooling, Stop when the temperature of working media reaches three preset values.
Alternatively, flow sensor is set in the hot water delivery pipe road of the water tank, suitable for judge user whether there is with Water；During water is heated in heating pipeline circulation, when water flow of the controller based on flow sensor acquisition water tank Be worth for nonzero value when, grasp device processed and manipulate heating tube roadlock and break, suspend and water is heated, when water flow value is null value, then grasp Vertical heating pipeline circulation continues to heat water；During suspending to water heating, if the temperature of working media is pre- higher than second If during value, controller manipulates heat dissipation pipeline circulation, and working media flows through radiator cooling, until the temperature of working media is less than the Stop during two preset values.
Alternatively, the radiator is at least made of heat-dissipating pipe, and the heat-dissipating pipe prolongs from the top down along hand of helix Stretch, the axis of the helix uprightly arranges that the radius of spin is sequentially reduced from the top down, and heat-dissipating pipe is round table-like in what is stood upside down, heat dissipation The lower end of pipe is the input port of working media, and upper end is the delivery outlet of working media.
Alternatively, the radiator further includes the drainage piece for strengthening convection effects, and the drainage piece is uprightly arranged, is enclosed Axis around heat-dissipating pipe is radially distributed, and drainage piece is run through by the heat-dissipating pipe, and drainage piece and the heat-dissipating pipe are affixed merging It is fixed.
Alternatively, the radiator further includes the flow guiding screen in inverted cone planar being made of side wall, the top of flow guiding screen End is set is located at heat-dissipating pipe axis by the top is outwardly extending with the matched flanging of drainage piece top end face, the drainage piece The inner side edge of line side surrounds the accommodation space for accommodating flow guiding screen, and the flow guiding screen stretches into the accommodation space and drains on chip Match somebody with somebody, the flanging is covered in drainage piece top end face；The outer side edges of the drainage piece of the radiator set tubular isolating cylinder, The outer side edges of drainage piece and the madial wall of isolating cylinder fit, and the upper end of isolating cylinder is less than the upper end of drainage piece.
Another technical solution of the present invention is as follows：
A kind of collecting plate illumination power adjustable is without dirty intelligent solar water heater, its designing points：Make medium The circulating pump of flowing and the radiator for working media heat dissipation；The collecting plate is driven by shaft and fixed frame axis connection Dynamic motor and the shaft axis connection, rotate around the axis to adjust the illumination power of collecting plate suitable for driving collecting plate；Water tank Upper assembling is used for the first temperature sensor for detecting water tank water temperature, and embedded in water storage tank is used for heat exchanger and the electrical heating for heating water Device；The light intensity sensor for the illumination power for being used to detect sunlight irradiation suffered by collecting plate is set on the collecting plate；The collection The input port connection of the delivery outlet, heat exchanger, circulating pump, collecting plate of hot plate forms heating pipeline, suitable for working media recycle stream It is logical to transport thermal energy and through the water in heat exchanger heat exchange water tank, on the heating pipeline assembling be used to control heating pipeline stream Logical, blocking state switching the first solenoid valve；The delivery outlet of the collecting plate, radiator, circulating pump, the input port of collecting plate connect It is logical to form heat dissipation pipeline, transport thermal energy suitable for working media circulation and cool down through radiator heat-dissipation, filled on the heat dissipation pipeline It is used in the circulation of control heat dissipation pipeline, the second solenoid valve of blocking state switching；Controller is obtained based on the first temperature sensor The water temperature of water tank, when the water temperature of water tank is less than the lower limit of preset temperature range, controller is obtained based on light intensity sensor The illumination power of collecting plate is taken, driving motor is manipulated and rotates, the angle between collecting plate and sunray is adjusted, until collecting plate Illumination performance number is stopped when maximum, and when the water temperature of water tank reaches the lower limit of preset temperature range, controller is passed based on light intensity Sensor obtains the illumination power of collecting plate, manipulates driving motor and rotates to reduce the illumination power of collecting plate, until light intensity senses The illumination performance number of device feedback is stopped when being reduced to default illumination performance number, and the water temperature of water tank slowly raises, when water temperature reaches During the upper limit value of pre- temperature range, grasp device processed and manipulate the blocking heating pipeline circulation of the first electromagnetism valve events, manipulate driving motor turn It is dynamic, stop when the illumination performance number of light intensity sensor feedback is minimum value, to prevent the water temperature in water tank from raising, avoid water Dirt is formed.
The yet another aspect of the present invention is as follows：
A kind of intelligence control system for solar water heater, the solar water heater include built-in working media Collecting plate, water tank and the heat exchanger heated with heat exchange mode to water in water tank is arranged on, its designing points is：It is described Intelligence control system includes：For the radiator of working media heat dissipation, the circulating pump for driving working media flow, for examining Survey the first temperature sensor of water tank water temperature, for detecting the second temperature sensor of working media temperature in collecting plate, using The driving device that is rotated in driving collecting plate, the light intensity sensor of illumination power for detecting collecting plate, suitable for solar energy Water heater implements the controller of control and the first solenoid valve and second solenoid valve, the first solenoid valve are arranged at least by thermal-arrest Plate, heat exchanger, circulating pump are connected in the heating pipeline of composition；Second solenoid valve be arranged at least by collecting plate, radiator, Circulating pump is connected in the heat dissipation pipeline of composition；Controller obtains the water temperature of water tank based on the first temperature sensor, works as water storage When the water temperature of case is less than the lower limit of preset temperature range, controller obtains the illumination power of collecting plate based on light intensity sensor, Driving device operating is manipulated, adjusts the angle between collecting plate and sunray, until the light of the collecting plate of light intensity sensor feedback Stop during according to performance number maximum, when the water temperature of water tank reaches the lower limit of preset temperature range, controller manipulates driving device Operating is to reduce the illumination power of collecting plate, until the illumination performance number of light intensity sensor feedback is reduced to default illumination power Stop during value, the water temperature of water tank is slowly raised, when water temperature reaches the upper limit value of preset temperature range, grasp device processed and manipulate first Electromagnetism valve events block heating pipeline circulation, manipulate driving device operating, until the illumination performance number of light intensity sensor feedback is Stop during minimum value；During heating pipeline is blocked circulation, the temperature that device processed obtains working media based on second temperature sensor is grasped Degree, when the temperature of working media is higher than the second preset value, manipulating second solenoid valve makes heat dissipation pipeline circulate, and working media flows through scattered Hot device cooling, stops, the 3rd preset value is less than the second preset value until the temperature of working media drops to the 3rd preset value.
Compared with prior art, beneficial effects of the present invention are：
The solar water heater of the present invention, controller obtain the water temperature of water tank, and when the water temperature of water tank, to reach first pre- If during value, controller manipulates driving motor and rotates, and adjusts the angle between collecting plate and sunray, reduces the illumination work(of collecting plate Rate, makes the illumination power of collecting plate minimum, to prevent the water temperature in water tank from raising, keeps it in the first preset value, effectively Ground avoids product scaling on water tank and heat exchanger, heat exchanger is kept higher heat exchange efficiency, is led to avoid because of incrustation scale product knot Water tank volume is caused to diminish, water outlet blocks, and avoids causing working media temperature because fouling of heat exchangers heat exchange efficiency is too low Spending height causes collecting plate damage or even explodes.
Brief description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings His attached drawing.
A kind of structure diagram of solar water heater in Fig. 1 embodiments.
A kind of assembly relation schematic diagram of Fig. 2 collecting plates and fixed frame.
Another visual angle schematic diagram of collecting plate and fixed frame in Fig. 3 Fig. 2.
A kind of preceding schematic cross-sectional view of radiators of Fig. 4.
The schematic top plan view of Fig. 5 radiators.
The convection current flow field schematic diagram of Fig. 6 radiators.
The structure diagram of Fig. 7 flow guiding screens.
A kind of control principle drawing of solar water heater in Fig. 8 embodiments.
Wherein, 10- collecting plates, 20- water tanks, 21- heat exchangers, 30- circulating pumps, 40- radiators, 41- heat-dissipating pipes, 42- Drainage piece, 43- flow guiding screens, 431- flangings, 44- isolating cylinders, 50- temperature sensor groups, the first temperature sensors of 51-, 52- Two temperature sensors, 60- flow sensors, 70- solenoid valve blocks, the first solenoid valves of 71-, 72- second solenoid valves, the electricity of 73- the 3rd Magnet valve, 80- liquid level sensors, 90- electric heaters, 100- light intensity sensors, 200- fixed frames, 201- driving motors, 202- subtract Fast machine, 203- shafts, 204- bearing blocks.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, those of ordinary skill in the art are obtained every other without making creative work Embodiment, shall fall in the protection scope of this application.Related directionality instruction in the embodiment of the present invention (such as upper and lower, left and right, It is forward and backward etc.) it is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component, movement feelings Condition etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
As one embodiment of the present invention, a kind of collecting plate illumination power adjustable without dirty intelligent solar hot water Device, as shown in Figure 1, Figure 2, Figure 3 shows, the solar water heater is split structure, including collecting plate 10, water tank 20, heat exchange Device 21, circulating pump 30, radiator 40, electric heater 90, fixed frame 200 and driving motor 201 and controller.In collecting plate 10 Working media, optional tubular type collecting plate are equipped with, collecting plate 10 is used to convert light energy into thermal energy, and thermal energy storage is situated between in work In matter, the tubular type collecting plate can also be replaced by board-like collecting plate.Water tank 20, which covers, is wrapped with insulating layer, has heat insulating ability Energy.Heat exchanger 21 is assembled in the inside of water tank 20, and working media flows through heat exchanger 21, and storage is heated by heat exchange method Water in water tank；The inside of water tank 20 is also equipped with electric heater 90, for being electrically heated to the water in water tank, even if In rainy days, user can also normal use hot water.The heat exchanger 21, electric heater 90 are located at the lower part of water tank.Water storage The bottom of case 20 sets the output pipe for being used for hot water output, flow sensor 60 is set in the hot water delivery pipe road, for examining The water flow of calorimetric water, judges that user has useless water with this, makes the unused water of user when water flow value is null value Judge, user is made when water flow value is nonzero value in the judgement with water；The top of water tank 20, which is set, is used for cold water benefit The intake line entered, the 3rd solenoid valve 73 is set on the intake line, for control input pipeline connection and blocks connected state Conversion, intake line connect when be then automatically replenished.The assembling liquid level sensor 80 of water tank 20, for detecting the water of water tank Position.The working media heat dissipation higher for the temperature in collecting plate 10 of radiator 40, to reduce the temperature of working media, makes work The temperature of medium is in the safe temperature range for making collecting plate 10 keep normal work；To avoid working media because of High Temperature Gas Change, high pressure is formed in collecting plate, causes collecting plate to damage, or even explosion.Circulating pump 30 is used to drive working media flow, defeated Heat is transported, working media flows through heat exchanger 21 and exchanges heat to heat the water in water tank, and working media flows through radiator heat-dissipation Cooling.Fixed frame 200 is used to carry collecting plate 10, and collecting plate 10 is fixed by fixed frame 200 and building.
The collecting plate 10 is by 200 axis connection of shaft 203 and fixed frame, as shown in Figures 2 and 3, it will be appreciated that be thermal-arrest Plate 10 and the shaft 203 are fixed, and drive 203 axis connection of motor 201 and the shaft, suitable for driving collecting plate 10 relative to fixation Frame 200 is rotated to adjust collecting plate 10 by the illumination power of sunlight irradiation.Specifically, collecting plate 10 positioned at its shady face Fixed hub on assembly fixture, collecting plate 10 are fixedly connected by axle sleeve with 203 phase of shaft, and shaft 203 is relative to 10 nothing of collecting plate Freedom of motion；Fixed frame 200 assembles bearing block 204 respectively on the load bearing arm of both sides, and the shaft 203 passes through bearing Assemble and fix with 204 axis of bearing block, collecting plate 10 and fixed frame 200 realize axis connection, and collecting plate 10 is relative to fixation Frame 200 can be rotated with around the shaft 203, change the angle between the smooth surface and sunray of collecting plate 10, labeled as β, realized and adjusted The illumination power of whole collecting plate.The illumination power that the smooth surface of collecting plate 10 is received can be by formulaCertainly Fixed, wherein P is the illumination power of collecting plate 10,For sunlight vertical irradiation when unit area sunlight intensity, β is sunlight Angle between the face normal of 10 smooth surface of line and collecting plate, i.e. sunray and the angle of thermal-arrest board direction.By formulaUnderstand, when pressing from both sides an angle of 90 degrees between the face normal of 10 smooth surface of sunray and collecting plate, collecting plate 10 Illumination power is minimum, and close to 0 value, sunray is parallel with 10 smooth surface of collecting plate at this time.
It should be noted that the driving motor 201 and 203 axis connection of the shaft can be understood as driving motor 201 pass through gear reducer and 203 axis connection of shaft, it is understood that pass through gear mechanism and described turn for driving motor 201 203 axis connection of axis, it is also understood that to drive the 203 direct axis connection of output shaft and the shaft of motor 201, i.e., above-mentioned drive The concrete mode of 203 axis connection of dynamic motor 201 and shaft can be any of above-mentioned three kinds of axis connection modes.
The input of the delivery outlet of the collecting plate 10, heat exchanger 21, circulating pump 30, collecting plate 10 in water tank 20 Mouth is connected by pipeline forms heating pipeline, transports thermal energy suitable for working media circulation heating pipeline, and flow through heat exchanger Water in 21 heat exchange water tanks 20, as shown in Figure 1, under the suction driving effect of circulating pump 30, working media can flow The water in water tank is heated through heat exchanger 21, and by way of heat exchange.The first electromagnetism is assembled on above-mentioned heating pipeline Valve 71, the first solenoid valve 71 are used for circulation, the switching of blocking state for controlling heating pipeline.The delivery outlet of the collecting plate 10, Radiator 10, circulating pump 30, the input port of collecting plate 10 are connected by pipeline and form heat dissipation pipeline.Assembled on the heat dissipation pipeline Second solenoid valve 72, for the switching for controlling heat dissipation pipeline circulation, blocking circulation status.The heating pipeline and heat-dissipating pipe Road common recycle pump 30, circulating pump 30 are located at the input port side of collecting plate 10, and circulating pump 30 forces working media in heating pipeline Or flowed in heat dissipation pipeline, flowed through for transporting heat by way of heat exchange to heat water in water tank or working media Radiator heat-dissipation cools down.The first temperature sensor 51 is assembled on the water tank 20, for detecting the water temperature in water tank；Thermal-arrest Second temperature sensor 52 is assembled on plate 10, for detecting the temperature of the working media in collecting plate.
Controller gathers the detection signal of the first temperature sensor 51, and the detection signal based on the first temperature sensor 51 obtains The water temperature of water tank is taken, when the water temperature of water tank 20 is less than the first preset value, controller, which manipulates the action of the first solenoid valve 71, to be made Pipeline circulation is heated, under the suction driving of circulating pump 30, the working media higher from the temperature of the delivery outlet outflow of collecting plate Heated pipeline circulates, and flows through heat exchanger 21 and exchanges heat to heat the water in water tank 20, is stepped up water temperature, from heat exchange The heated pipeline of working media that the temperature of the outflow of device 21 is relatively low is back in collecting plate 10.The water temperature of water tank is stepped up, When the water temperature of water tank 20 reaches the first preset value, controller gathers the detection signal of light intensity sensor 100, is passed based on light intensity The illumination power of the detection signal acquisition collecting plate 10 of sensor 100, and manipulate driving motor 201 and rotate, driving motor 201 drives Collecting plate 10 around the shaft 203 rotate, change collecting plate 10 smooth surface and sunray between folder solution, adjustment collecting plate 10 by The illumination power of light irradiation, to reduce the illumination power of collecting plate 10, until the illumination performance number that light intensity sensor 100 is fed back is Minimum value is stopped, and the minimum value is associated with environment temperature and periphery surface situation of object, and be usually not zero value, to prevent water tank Water temperature rise in 20, makes water temperature be not higher than the first above-mentioned preset value, is effectively prevented from the inner wall and heat exchanger of water tank 20 Incrustation scale is generated on 21.First preset value can be regarded as not producing any higher temperature value of incrustation scale, be chosen as 65 DEG C, storage Water temperature in water tank is not higher than 65 DEG C, can form incrustation scale to avoid on the inner wall and heat exchanger of water tank, it is ensured that heat exchanger Heat exchange efficiency, efficiently avoid the hot water outlet of water tank because incrustation blocks.
As further scheme, when the water temperature of water tank 20 reaches the first preset value, controller alternatively manipulates The action of one solenoid valve 71 makes the cutout of heating tube roadlock is logical, manipulates circulating pump 30 to shut down, and suspends and heats water storage with heat exchange mode Water in case, when the water temperature of water tank is less than the first above-mentioned preset value, manipulates heating pipeline circulation again with heat again Exchanged form heats the water of water tank, the duration of runs of circulating pump 30 is reduced, to save electric energy.
It should be noted that controller is manipulated in collecting plate rotation process, when the illumination power that light intensity sensor 100 is fed back Value from large to small, after being minimized again by small increase when, then manipulate collecting plate and rotate backward, then the illumination of light intensity sensor feedback Performance number stops by big reduction and when reaching the minimum of last time, then it is assumed that the illumination power of the collecting plate of present posture at this time Minimum, uses the same manner that the illumination power of collecting plate can also be determined for the position and attitude of maximum.
During the water temperature of water tank reaches the first preset value, the detection letter of controller collection second temperature sensor 52 Number, and the temperature of the working media of the detection signal acquisition collecting plate 10 based on the second temperature sensor 52, work as working media Temperature when reaching the second preset value, controller, which manipulates the action of second solenoid valve 72, makes heat dissipation pipeline circulate, and manipulates circulating pump 30 start, and under the suction driving effect of circulating pump 30, the working media higher from the temperature of the outflow of collecting plate 10, which circulates, to radiate Pipeline, working media flow through radiator 40 and radiate, and form the relatively low working media of temperature, and be back to collecting plate through heat dissipation pipeline In 10, stop when the temperature of working media drops to three preset values, controller, which manipulates the action of second solenoid valve 72, makes heat-dissipating pipe Roadlock cutout is logical, manipulates circulating pump 30 shuts down.Second preset value is more than the first preset value, and the first preset value is appreciated that Not produce any temperature value of incrustation scale, the second preset value can be regarded as what working media when collecting plate 10 works normally was allowed Maximum temperature, to avoid working media because of high-temperature gasification, forms high pressure in collecting plate, and causes collecting plate damage or even occur Explosion.
To save pipeline and simplifying pipeline, as shown in Figure 1, first solenoid valve 71, second solenoid valve 72 are respectively through three Siphunculus is connected with the delivery outlet of collecting plate 10, and delivery outlet, the delivery outlet of heat exchanger 21 of the radiator 40 pass through three respectively Siphunculus is connected with the input port of circulating pump 30, and the delivery outlet of circulating pump 30 is connected with the input port of collecting plate 10.The collection The delivery outlet of hot plate 10, the first three-way pipe (Fig. 1 on the left of), second solenoid valve 72, radiator 40, the second three-way pipe (on the right side of Fig. 1), Circulating pump 30, the input port of collecting plate 10 are sequentially communicated by pipeline and form above-mentioned heat dissipation pipeline, the collecting plate 10 it is defeated Outlet, the first three-way pipe (Fig. 1 on the left of), the first solenoid valve 71, the heat exchanger 21 of water tank 20, the second three-way pipe (on the right side of Fig. 1), Circulating pump 30, the input port of collecting plate 10 are sequentially communicated by pipeline and form the heating pipeline.In order to improve heat dissipation effect, The run time of circulating pump 30 is reduced, radiator 40 is assembled at the back of collecting plate 10.
1st temperature sensor 51, second temperature sensor 52, the first solenoid valve 71, the electricity of second solenoid valve the 72, the 3rd Magnet valve 73, circulating pump 30, flow sensor 60, liquid level sensor 80, electric heater 90, as shown in figure 8, electric with controller respectively Connection, be controlled by the controller its operating status.The temperature of working media in collecting plate of the controller based on acquisition, water tank The illumination power of water temperature, collecting plate, manipulates collecting plate and rotates, adjust the illumination power of its light, manipulates heated condition, automatic control Water temperature in water tank processed, makes water temperature be less than the first above-mentioned preset value, preferably no higher than 65 DEG C, can be effectively prevented from Incrustation scale is produced on water storage chamber interior wall and heat exchanger, makes heat exchanger that there is good heat exchange efficiency, avoids caused by fouling of heat exchangers Heat transfer rate effect is too low, causes working media temperature excessive and causes collecting plate to be damaged or even explode.First electromagnetism Valve 71, second solenoid valve 72, the 3rd solenoid valve 73 form solenoid valve block 70, the 1st temperature sensor 51, second temperature sensing Device 52 forms temperature and crosses sensor group 50.First solenoid valve 71, second solenoid valve 72, the 3rd solenoid valve 73 are selected herein The normally closed solenoid valve blocked is kept during power failure state.
In order to reduce the run time of circulating pump 30, to save power consumption, further using temperature difference control mode come Control loop pump 30 is opened, stopped, and heats the water in water tank and working media heat dissipation.Controller gathers the first temperature sensor 51st, the detection signal of second temperature sensor 52, the detection signal based on the first temperature sensor 51, second temperature sensor 52 Water temperature, the temperature of working media in collecting plate 10 of water tank 20 are obtained respectively.When the water temperature of water tank 20 is less than above-mentioned First preset value, the water of water tank need to heat, when the temperature of working media and the difference of water temperature of water tank are changed when reaching first During hot threshold value, controller manipulate the first solenoid valve 71 it is electric by open circulation, 72 dead electricity of second solenoid valve keep block circulation, on The heating pipeline connection stated, working media can circulate in heating tube stream, and controller manipulates circulating pump 30 and electric must be activated, and adds Being formed in pipe line makes the driving force of working media flow, and working media flows through heat exchanger 21 by way of heat exchange to heat storage Water in water tank 20, until the temperature of the working media of collecting plate 10 and the difference of water temperature of water tank 20 reach the second heat exchange threshold value When stop, or stop when the water temperature of water tank 20 reaches the first above-mentioned preset value, controller manipulates 71 dead electricity quilt of the first solenoid valve Close and block circulation, second solenoid valve 72 to keep dead electricity to be blocked circulation, the heating pipeline is blocked circulation, controller behaviour Vertical 30 dead electricity of circulating pump is stopped operating, and working media stops flowing.So far, complete once to heat the water in water tank Process.The first heat exchange threshold value is more than the second heat exchange threshold value, for example, as a kind of optional scheme, wherein the first heat exchange Threshold value can exchange heat threshold value using value as 10 DEG C, second can be using value as 3 DEG C.That is, when the working media in collecting plate When the difference of temperature and the water temperature of water tank reaches 10 DEG C, above-mentioned heating pipeline circulation, circulating pump 30 is activated, working media stream Logical heat exchanger heats the water in all water tanks；When the working media in collecting plate temperature and water tank water temperature difference be less than 3 DEG C When, circulating pump 30 is stopped, and above-mentioned heating pipeline is blocked circulation, and working media does not circulate to heat water.Using temperature difference control Mode processed, the run time that on the one hand can efficiently reduce circulating pump 30 save electric energy；Another aspect temperature difference is bigger, heat exchange Efficiency is higher, can efficiently reduce the run time of circulating pump 30, further save power consumption.So repeatedly, heating storage Water in water tank, water temperature ramp up.When the water temperature in water tank reaches the first preset value, it will be appreciated that to be not likely to produce water Any temperature value of dirt, such as 65 DEG C, stop heating to the water in water tank, its temperature is maintained the first above-mentioned preset value； In order to reduce the speed of the working media temperature of collecting plate rising, grasp device manipulation driving motor 201 processed and operate, in the way described above The illumination power of collecting plate 10 is adjusted, reaches minimum value, the illumination power of collecting plate institute light irradiation is minimum, working media Temperature rise is most slow.When working media temperature and water tank water temperature difference during it reach above-mentioned first heat exchange threshold value, control Device will no longer manipulate heating pipeline circulation, the water in water tank not heated, so that it maintains the first preset value, to keep away Exempt to produce incrustation scale on the inner wall and heat exchanger of water tank.
Further, during controller noted above manipulates heating pipeline heating water, the controller also gathers flow The detection signal of sensor 60, the detection signal acquisition water flow value based on quantity sensor 60.When working media temperature with The difference of the water temperature of water tank works as water outlet during reaching the first heat exchange threshold controller and manipulating heating pipeline connection heating water Flow value be not zero value when, i.e. user when with water, controller manipulate heating tube roadlock disconnection lead to, suspend to the water in water tank Heated, can such as manipulate circulating pump 30 and close, or the first solenoid valve can also be manipulated and block circulation, to suspend heat exchange Water；When water flow value is null value, i.e., user's useless water when, then manipulate heating pipeline connection continue to the water in water tank into Row heating.So control, can avoid the formation of user side waterside heating situation, cause user more with water water temperature it is higher, it is necessary to The ratio of hot water or cold water is ceaselessly adjusted, brings inconvenience.During above-mentioned pause heat exchange water, if work is situated between When the temperature of matter is higher than the second above-mentioned preset value, controller manipulates heat dissipation pipeline circulation, and working media flows through radiator cooling, Stop when the temperature of working media is less than the second preset value, be conducive to restart heat exchange water at any time, also alternatively drop to Stop during above-mentioned three preset value, it is favourable to reduce opening, stopping number for circulating pump 30, manipulate heat dissipation pipeline and block circulation, stop dissipating Heat.So control, can form high pressure because of high-temperature gasification to avoid working media in collecting plate, cause collecting plate to damage, even Explosion.
It is above-mentioned when water temperature reaches the first preset value stop using heat exchange mode to water heat during, in order to keep away Exempt from working media because high temperature damages collecting plate, when the temperature of working media in collecting plate 10 is higher than the second above-mentioned preset value, Second preset value is more than the first preset value, for example, the second preset value can value be 115 DEG C, controller manipulate second solenoid valve 72 Electric-opening formed circulation, the heat dissipation pipeline formed circulation path, controller manipulate circulating pump 30 it is electric be activated, Under the suction driving of circulating pump 30, working media flows through radiator 40 and air heat-exchange, the temperature of working media along heat dissipation pipeline It is lowered, forms the relatively low working media of temperature, the relatively low working media of the temperature is back in collecting plate 10 through heat dissipation pipeline, So circulation, stops when the temperature of the working media in collecting plate reaches three preset values, and controller manipulates second solenoid valve 72 dead electricity are closed blocking circulation, and the heat dissipation pipeline is blocked, and controller manipulates 30 dead electricity stop motion of circulating pump, work Medium does not flow.So far, the process for once making working media radiate is completed, the temperature of working media is reduced to safe temperature range It is interior, to avoid working media because high-temperature gasification forms high pressure in collecting plate, cause collecting plate to damage, or even explosion, favorably prolong The service life of long collecting plate.Any that working media is allowed when 3rd preset value can be regarded as collecting plate normal work Relatively low temperature value, in order to reduce the number of starts of circulating pump 30, to save electric energy, the 3rd preset value can value be slightly above the The a certain value of one preset value, if for example, the first preset value value be 65 DEG C, the 3rd preset value can value be 75 DEG C.Thus, when When water temperature reaches the first preset value, manipulating driving motor makes the illumination power of collecting plate minimum, to make working media radiate, it is necessary to The number of startup circulating pump 30 is few and its run time is greatly reduced, and favorably saves electric energy.
In daily use, if running into the winter of rainy weather or cold, the water temperature of solar water heater, which is difficult to reach, answers During with requiring, electric heating function can be enabled it is electrically heated and heat.During electrical heating heats, controller collection flow The detection signal of sensor 60, and the water flow value for detecting hot water in signal acquisition water tank based on flow sensor 60, When the water flow value is nonzero value, i.e. for user when with water, controller manipulates the pause heating of electric heater 90, until water outlet Flow value stops for null value, i.e., user's unused water when, then restart electrical heating 90 and continue to heat, until water temperature reaches target Stop during temperature, the target temperature can value be the first above-mentioned preset value, power-off stop heating.Such control mode, avoids The electrically heated situation in user side waterside is formed, causes more higher with water water temperature, it is necessary to ceaselessly adjust the ratio of hot water or cold water, Bring inconvenience.
Wherein, the radiator 40, as shown in figure 4, being at least made of heat-dissipating pipe 41.The heat-dissipating pipe 41 is along helix Direction extends from the top down, and the axis of the helix of heat-dissipating pipe 41 is uprightly arranged, the lower end of heat-dissipating pipe 41 is the defeated of working media Entrance, upper end are the delivery outlet of working media.The higher working media of temperature in collecting plate 10 is under being located at of heat-dissipating pipe 41 The input port at end flows into, and working media flows from bottom to top along heat-dissipating pipe 41, and heat-dissipating pipe 41 exchanges heat with extraneous air, and work is situated between The temperature of matter reduces, and forms the relatively low working media of temperature, and is flowed out from the delivery outlet positioned at upper end of heat-dissipating pipe 41, through circulation Pump 30 is back to the interior of collecting plate 10.Air at where radiator 40 is reduced by heat exchange, the atmospheric density in the region, Under the action of gravity, the less hot-air of density floats, and density big cold air in periphery flows downward, and forms free convection stream Field, is conducive to improve the radiating efficiency of radiator.Inventor pass through experimental studies have found that, when the heat-dissipating pipe 41 of radiator 40 is upright When the higher working media of arrangement, temperature is flowed into from lower end, upper end is flowed out, the maximum intensity of free convection, the heat dissipation of radiator Effect is best, and when the working media is produced identical temperature drop, the run time of circulating pump 30 is shorter, saves energy expenditure； Meanwhile radiator 40, in same heat radiation power, the volume of radiator 40 be can be made smaller, it is favourable save material and reduce into This.The material of the heat-dissipating pipe 41 may be selected as copper.
Further, there is a kind of improved technical solution for the heat-dissipating pipe 41 of above-mentioned radiator 40.The heat dissipation The radius of spin of pipe 41, as shown in figure 4, being sequentially reduced from the top down, i.e. the radius of spin of top is big, the radius of spin of lower section Small, heat-dissipating pipe 41 is formed in the round table-like of handstand, and heat-dissipating pipe 41 is located on the side of round platform.The higher working media of temperature flows into Radiator 40 is located at the input port of lower end, is flowed from bottom to top along heat-dissipating pipe 41, exchanges heat, releases through heat-dissipating pipe 41 and ambient air Exoergic amount, temperature reduce, and the delivery outlet outflow of upper end is finally located at from radiator 40, collecting plate 10 is back to through circulating pump 30 It is interior.Thus, the radius of spin of the heat-dissipating pipe 41 of the lowest end of radiator 40 is minimum, and the free convection driving force of formation is stronger, Free convection flow field can be rapidly formed, improves radiating efficiency；It is favourable to shorten when working media reaches identical temperature drop The run time of circulating pump 30, saves energy consumption.
Further, there is a kind of optional improvement project for above-mentioned radiator 40.The radiator 40, as Fig. 4, Shown in Fig. 5, including laminar multiple drainage pieces 42 are presented, drainage piece 42 is alternatively defined as in a rectangular trapezoid in this example Shape.Multiple drainage pieces 42 are uprightly set, and are radially uniformly distributed around the circumference where the axis of heat-dissipating pipe 41, can Radially uniform distribution of the drainage piece 42 along 41 radius of spin of heat-dissipating pipe is interpreted as, as shown in Figure 5.Drainage piece 42 is in ramped shaped Oblique waist edge be located at the axis side of heat-dissipating pipe 41, which forms the accommodation space in inverted cone (or platform) planar, drainage The rectangular upright waist edge of piece 42 is located at the outside of heat-dissipating pipe 41, which is located on cylindrical surface；Drainage piece 42 it is upper Top margin forms the top end face of radiator 40, and the bottom of drainage piece 42 forms the bottom face of radiator 40.The heat-dissipating pipe 41 passes through Flow 42 is connected, heat-dissipating pipe 41 is fully thermally contacted with drainage piece 42, and is mutually fixed.Alternatively, the heat-dissipating pipe 41, drainage piece 42 Material be fine copper.The convected air that the drainage piece 42 forms 40 region of radiator drains, and makes to enter the region Air can only be flowed up along drainage piece 42, avoid convected air circumferentially flow produce flow-disturbing consumption kinetic energy, be conducive to Convected air keeps stronger convection intensity, then radiator has the radiating efficiency of higher；On the other hand, drainage piece 42 is also favourable In making radiator 40 improve radiating efficiency, make working media temperature rapid decrease, reduce the run time of circulating pump 30.Identical Heat radiation power in the case of, the volume of radiator 40 can be reduced, reduce manufacture cost.
Further, there is further improved technical solution for above-mentioned radiator 40.The radiator 40 also wraps Include flow guiding screen 43.Flow guiding screen 43, as shown in Fig. 4, Fig. 6, Fig. 7, is alternatively surrounded by side wall and in the conical surface-shaped stood upside down, also may be used To be round platform planar.The top of flow guiding screen 43, as shown in fig. 7, the flanging 431 extended from inside to outside by the top ends is set, Flanging 431 circumferentially surrounds one week, forms the annular shape of tabular.The drainage of the circular flanging 431 and radiator 40 The top end face that piece 42 is formed is engaged.The flow guiding screen 43 is engaged with accommodation space, and drainage piece 42 is located at heat-dissipating pipe axis The accommodation space that the inner side edge of line side surrounds can accommodate flow guiding screen 43.The flow guiding screen 43 is stretched into the accommodation space, and Assembled with drainage piece 42, the flanging 431 is covered on the top end face of drainage piece 42.The flow guiding screen 43 fetters convected air Flow direction, as shown in fig. 6, convected air flows from bottom to top, convected air from the axis of radiator 40 progressively to transporting out of this The outward-dipping flowing in direction of axis, the heat-dissipating pipe 41 and convected air for being conducive to top come into full contact with, and improve radiating efficiency, promote Into working media temperature rapid decrease, the run time of circulating pump 30 is reduced, saves energy consumption.In addition, prior can be to avoid Turbulent flow is formed in above-mentioned accommodation space, reduces heat dissipation effect.In the case of identical heat radiation power, radiator 40 is also helped Reduce volume, reduce manufacture cost.
Further, improved technical solution is also further walked for above-mentioned radiator 40.The radiator 40 also wraps Include isolating cylinder 44.Isolating cylinder 44, as shown in fig. 6, being the tubular cylindrical structure for the both ends open being made of side wall.Isolating cylinder 44 are engaged with the upright waist edge of drainage piece 42, and isolating cylinder 44 is sleeved on the outer side edges of drainage piece 42, and the upper end of isolating cylinder 44 Less than the upper end of drainage piece, being conducive to convected air and flowed out from the top of radiator 40, suffered resistance is small, and kinetic energy rejection is few, Keep higher radiating efficiency.The outer side edges of drainage piece 42 set isolating cylinder 44, medial surface and the drainage piece 42 of isolating cylinder 44 Outer side edges fit, can also be mutually from arrangement.The use of isolating cylinder 44 so that the relatively low cold air of external temperature can only be from heat dissipation Device bottom flows into, upper end outflow, avoids cold air and is flowed into from the side surface part of radiator 40, is conducive to further increase The radiating efficiency higher of the convection intensity of radiator 40, then radiator, working media can further be reduced and followed by fast cooling The run time of ring pump 30, saves energy consumption.
The heat-dissipating pipe of above-mentioned radiator uprightly arranges that the lower end of heat-dissipating pipe, as delivery outlet, is dissipated as input port, upper end The radius of spin of heat pipe is sequentially reduced from the top down, and the multiple drainage pieces uprightly arranged are radially equal around the axis of heat-dissipating pipe Even distribution, the flow guiding screen in inverted cone planar is set in the space that drainage piece is surrounded, drainage piece outer side edges suit every From cylinder, be conducive to improve the convection intensity of radiator region air, improve the radiating efficiency of radiator, radiating efficiency can To improve more than 18%；Reduce the run time of circulating pump, save energy consumption, the radiation energy consumption of circulating pump can save 22% with On；Radiator can also be minimized, save manufacture cost.
The present invention also has following another embodiment, preferably main description and above-mentioned embodiment phase The technology contents of difference, wherein the technical characteristic identical with above-mentioned solar water heater no longer describes.
The generation of the intelligent solar water heater, in order to prevent incrustation scale, refer to pre- during the control of water temperature If temperature range concept, when the water temperature of water tank is in the temperature range, manipulate collecting plate rotate, reduce collecting plate Illumination power, reduce the climbing speed of water tank water temperature, be such as reduced to original 20%, or other values, according to Need to choose.For example, the lower limit of the temperature range can value be 55, upper limit value can value be 65 DEG C.Controller is based on first Temperature sensor obtains the water temperature of water tank, when the water temperature of water tank is less than the lower limit of preset temperature range, is such as less than 55 DEG C, controller obtains the illumination power of collecting plate 10 based on light intensity sensor 100, manipulates driving motor 201 and rotates, adjusts thermal-arrest Angle between plate and sunray, increases the illumination power of collecting plate, until the light of collecting plate that light intensity sensor 100 is fed back Stop when reaching maximum according to performance number, ordinary circumstance can be light and collection when the angle between collecting plate and sunray is zero When hot plate is vertical, the illumination power of collecting plate is maximum, and the water for being conducive to water tank is rapidly heated, particularly in winter, non- The water of Chang Youli water water tanks is rapidly heated, and is improved the highest water temperature of water tank, is adapted for use with water temperature, such as reaches 48 DEG C More than.When the water temperature of water tank reaches the lower limit of pre- temperature range, when being such as higher than 55 DEG C, controller is based on light intensity sensor 100 obtain the illumination power of collecting plate 10, manipulate driving motor and rotate, the angle between collecting plate and sunray are adjusted, to subtract The illumination power of small collecting plate, stops when the illumination performance number of light intensity sensor feedback is reduced to default illumination performance number, The default illumination performance number can be understood as the performance number specifically set, also be understood as the illumination power ratio specified, such as The illumination performance number of light intensity sensor feedback and the water temperature of water tank reach illumination power during default temperature range lower limit Ratio, such as the ratio can value be 10%.It can also be based on season and take other values, such as summer when can take the ratio of smaller Value, when winter, take the ratio of bigger, are slowly heated the water of water tank, water temperature slowly raises, and makes water temperature be adapted to use.When When the water temperature of water tank reaches the upper limit value of preset temperature range, when such as reaching 65 DEG C, grasping first solenoid valve of device manipulation processed makes to add Pipe line blocks, and manipulates driving motor and rotates, the illumination power of collecting plate is adjusted, until the illumination power of light intensity sensor feedback It is worth to stop during minimum value, i.e., sunray is parallel with the smooth surface of collecting plate, can be that 90 can be pressed from both sides between light and smooth surface Angle is spent, while manipulates the cutout of heating tube roadlock and leads to, to prevent the water temperature in water tank from raising, keeps it in preset temperature range Upper vault, produce incrustation scale to avoid on the inner wall and heat exchanger of water tank；When the water temperature of water tank is reduced to default temperature When spending the upper limit value of scope, heating pipeline circulation is manipulated again, working media flows through the water in heat exchanger heating water tank, until Water temperature is stopped when reaching the upper limit value of temperature range.During heating pipeline is blocked circulation, if the temperature of working media reaches During above-mentioned second preset value, then manipulating second solenoid valve action makes heat dissipation pipeline circulate, and working media is cooled down, can such as cool down Stop during to three above-mentioned preset value, the 3rd preset value is less than the second preset value, advantageously reduce circulating pump the number of starts and The duration of runs, saves electric energy.
The present invention also has following another embodiment, preferably main description and the first above-mentioned embodiment party The technology contents that formula distinguishes.
A kind of intelligence control system for solar water heater, the solar water heater include built-in working media Collecting plate 10, water tank 20 and the heat exchanger 21 with heat exchange method heating water being arranged in water tank, the intelligence control System processed includes：Radiator 40, the circulating pump 30 for driving working media flow, the first electromagnetism for working media heat dissipation Valve 71, second solenoid valve 72, the first temperature sensor 51 for detecting water tank water temperature, for detecting Jie that works in collecting plate The second temperature sensor 52 of matter temperature, the driving device for driving collecting plate rotation, the illumination work(for detecting collecting plate The light intensity sensor 100 of rate and suitable for solar water heater implement control controller, the first solenoid valve 71 be arranged on to It is few to be connected by collecting plate, heat exchanger, circulating pump by pipeline in the heating pipeline formed, suitable for the stream of control heating pipeline The logical, switching of blocking state；Second solenoid valve 72 is arranged at least to be connected by collecting plate, radiator, circulating pump by pipeline In the logical heat dissipation pipeline formed, suitable for controlling the circulation of heat dissipation pipeline, the switching of blocking state.Control water is produced avoiding incrustation scale During temperature, the concept of default temperature range is introduced, for example, the temperature range lower limit is 55, upper limit value 65.Work as water temperature When in the temperature range, manipulate collecting plate and reduce illumination power, to reduce the elevated speed of water tank water temperature, slow heating Water in water tank.Controller obtains the water temperature of water tank 20 based on the first temperature sensor 51, when the water temperature of water tank 20 is low When the lower limit of preset temperature range, controller obtains the illumination power of collecting plate 10 based on light intensity sensor 100, manipulates and drives Dynamic device operating, adjusts the angle between collecting plate 10 and sunray, until collecting plate 10 that light intensity sensor 100 is fed back Illumination performance number is stopped when maximum, and when the water temperature of water tank reaches the lower limit of preset temperature range, i.e., water temperature is above-mentioned In temperature range, controller manipulates driving device operating to reduce the illumination power of collecting plate, until light intensity sensor 100 is fed back Illumination performance number stop when being reduced to default illumination performance number, the water temperature of water tank slowly raises, when water temperature reaches default temperature When spending the upper limit value of scope, grasp device processed and manipulate the action blocking heating pipeline circulation of the first solenoid valve 71, manipulate driving device operating, Stop when the illumination performance number of the feedback of light intensity sensor 100 is minimum value；When the water temperature of water tank is reduced to preset temperature model During the upper limit value enclosed, heating pipeline circulation is manipulated again, and working media flows through the water in heat exchanger heating water tank.In heating tube During road is blocked circulation, the temperature that device processed obtains working media based on second temperature sensor is grasped, when the temperature of working media Degree is higher than the second preset value, and manipulating second solenoid valve makes heat dissipation pipeline circulate, and working media flows through radiator cooling, until work The temperature of medium drops to the 3rd preset value and stops, and the 3rd preset value is less than the second preset value.Second preset value can be regarded as collecting plate The maximum temperature that working media is allowed during normal work, or be set higher other temperature less than the maximum temperature Value.
Wherein, the default illumination performance number can be understood as the performance number specifically set, also be understood as specifying Illumination power ratio, illumination performance number and the water temperature of water tank as light intensity sensor is fed back reach under default temperature range The ratio of illumination power during limit value, can be based on season difference and take different value.
Wherein, the driving device can drive any of motor, screw mechanism, air cylinder device, cylinder apparatus, It is driving device of the prior art, no longer describes one by one herein.Collecting plate 10 is flexibly connected with the carrier of collecting plate, such as Hinged, pivot connection, allows collecting plate 10 to be rotated relative to carrier.Driving device is used to drive collecting plate 10 relative to holding Carrier rotate, with adjust collecting plate 10 by luminous power.
Further, the intelligence control system further include be arranged in 20 inlet pipeline of water tank electromagnetic proportional valve, For detecting the flow of inlet water sensor of flow of inlet water, detecting the inflow temperature sensor of inflow temperature, for detecting water tank The liquid level sensor 80 of liquid level, the water flow sensing for being used to detect water flow being arranged in water tank hot water delivery pipe road Device and it is arranged in water tank 20 to heat the electric heater 90 of water.Controller is based on liquid level sensor 80, water flow passes Sensor obtains the level value of water tank 20, water flow value respectively, when the water flow value for nonzero value and level value it is too low, such as During less than critical low water level value, controller be based on inflow temperature sensor, the first temperature sensor 51 obtain respectively fill into it is cold The temperature of water, the water temperature of water tank, controller manipulate electric heater 90 and start heating, manipulate opening for electromagnetic proportional valve adjustment valve Degree, the accumulation rate of water make-up in the flow value unit of account time based on flow of inlet water sensor feedback, makes the accumulation rate of water make-up It is suitable with heat caused by electric heater in the unit interval that the temperature of cold water is increased to the heat needed for the water temperature of water tank, Until water flow value is stopped when being null value, so that the constant water temperature of water outlet.When water flow value is null value, controller manipulates electricity The valve opening of magnetic proportioning valve is transferred to maximum, such as 100% valve opening, with quick moisturizing.The unit interval can be any small Period, and the minor time slice that device can offer an explanation in order to control.The valve opening of the electromagnetic proportional valve is by formula P ∝ L*C* (T2- T1), Δ ψ ∝ L are determined, wherein P is the heating power of electric heater, and Δ ψ is the valve opening of electromagnetic proportional valve, and L is the stream of cold water Amount, C are the specific heat of water, and T1 is the temperature of filled into cold water, and T2 is the water temperature of water tank.
Wherein, the structure construction of the radiator is identical with the first embodiment, no longer describes.
It should be noted that the above-mentioned collecting plate referred to, water tank, gear reducer, light intensity sensor are existing skill Art, no longer will be described further its concrete structure, connection relation and operation principle herein；The hardware configuration of mentioned controller And the prior art, it can be made of any device with data processing function such as microcontroller, FPGA, PLC, to its group State is no longer described in detail.
On the water storage chamber interior wall and heat exchanger of the solar water heater of the prior art, incrustation scale is easily formed, incrustation scale is cumulative, The less and less volume of solar storage water tank, heat exchange efficiency reduction, water outlet is caused to block, valve, shower nozzle damage, even Cause collecting plate to damage since working media temperature is excessive, or even explode.
Compared to the prior art, the present invention achieves following technique effect：
The solar water heater of the present invention, controller obtain the water temperature of water tank, and when the water temperature of water tank, to reach first pre- If during value, when such as reaching 65 DEG C, controller manipulates driving motor and rotates, and adjusts the angle between collecting plate and sunray, reduces The illumination power of collecting plate, makes the illumination power of collecting plate minimum, to prevent the water temperature in water tank from raising, keeps it in the One preset value, is effectively prevented from product scaling on water tank and heat exchanger, heat exchanger is kept higher heat exchange efficiency, to avoid Because incrustation scale product knot causes water tank volume to diminish, water outlet blocks, and cause working media temperature high because heat exchange efficiency is too low In safe temperature.
The heating tube roadside of solar water heater connects heat dissipation pipeline, radiator is connected on heat dissipation pipeline, suitable for working media Heat dissipation.During being heated to the water stop/pause of water tank with heat exchange mode, if the temperature of the working media of collecting plate is high In the maximum temperature allowed, then working media circulation separate tube road can be manipulated, working media flows through radiator heat-dissipation cooling, makes The temperature of working media is in safe temperature range.Collecting plate is caused to be damaged because temperature is excessive to avoid working media, Even explode.
The heat-dissipating pipe of radiator uprightly arranges, the lower end of heat-dissipating pipe as input port, upper end as delivery outlet, heat-dissipating pipe The radius of spin is sequentially reduced from the top down, and the multiple drainage pieces uprightly arranged radially uniformly divide around the axis of heat-dissipating pipe Cloth, the flow guiding screen in inverted cone planar is set in the space that drainage piece is surrounded, and isolating cylinder is set with the outer side edges of drainage piece, Be conducive to improve the convection intensity of radiator region air, improve the radiating efficiency of radiator, reduce the fortune of circulating pump The row time, saves energy consumption, can also minimize radiator, saves manufacture cost.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, the present invention Claimed scope is delineated by the appended claims, the specification and equivalents thereof from the appended claims.

Claims (10)

1. a kind of collecting plate illumination power adjustable without dirty intelligent solar water heater, it is characterised in that：Including for too The controller of positive energy water heater implementation control, the collecting plate of built-in working media, have the water tank of heat insulation function, for carrying Fixed frame, driving motor, the circulating pump for driving working media flow and the dissipating for working media heat dissipation of collecting plate Hot device；The collecting plate is fixed by shaft and fixed frame axis connection, collecting plate and shaft, drives motor and the shaft axis to connect Connect, rotate around the axis suitable for driving collecting plate to adjust the illumination power of collecting plate；Assembling is used to detect water tank on water tank First temperature sensor of water temperature, embedded in water storage tank are used for the heat exchanger and electric heater for heating water；Set on the collecting plate For detecting the light intensity sensor of solar irradiation power suffered by collecting plate；The delivery outlet of the collecting plate, heat exchanger, circulating pump, The input port of collecting plate is connected by pipeline forms heating pipeline, and thermal energy is transported and through heat exchanger suitable for working media circulation Water in heat exchange water tank, on the heating pipeline assembling be used to control the circulation of heating pipeline, the first of blocking state switching Solenoid valve；The delivery outlet of the collecting plate, radiator, circulating pump, the input port of collecting plate are connected by pipeline and form heat-dissipating pipe Road, transports thermal energy suitable for working media circulation and cools down through radiator heat-dissipation, and assembling is scattered for controlling on the heat dissipation pipeline Pipe line circulation, the second solenoid valve of blocking state switching；Controller obtains the water temperature of water tank based on the first temperature sensor, When the water temperature of water tank reaches the first preset value, controller obtains the illumination power of collecting plate based on light intensity sensor, manipulates Drive motor to rotate, adjust the angle between collecting plate and sunray, to reduce the illumination power of collecting plate, until light intensity senses The illumination performance number of device feedback is stopped when minimum, to prevent the water temperature in water tank from raising, is prevented on water storage chamber interior wall and heat exchanger Sediment incrustation.
2. collecting plate illumination power adjustable according to claim 1 exists without dirty intelligent solar water heater, its feature In：The driving motor and the shaft axis connection include driving motor via reducer and the shaft axis connection, driving electricity Machine by gear mechanism and the shaft axis connection, drive any axis connection in the output shaft and the shaft axis connection of motor Mode.
3. collecting plate illumination power adjustable according to claim 2 exists without dirty intelligent solar water heater, its feature In：When the water temperature of water tank is raised to first preset value, controller, which can also manipulate the first electromagnetism valve events and block, to be added Pipe line circulation, manipulation second solenoid valve action make heat dissipation pipeline circulate, and the higher working media of the temperature in collecting plate flows through Radiator heat-dissipation, forms the relatively low working media of temperature, and is back to through heat dissipation pipeline in collecting plate, to prevent in water tank Water temperature raises, and prevents sediment incrustation on water storage chamber interior wall and heat exchanger.
4. collecting plate illumination power adjustable according to claim 3 exists without dirty intelligent solar water heater, its feature In：Assembling is used for the second temperature sensor for detecting working media temperature on the collecting plate, and the controller is based on the second temperature Sensor obtains the temperature of working media；When the water temperature of water tank reaches the first preset value, controller, which manipulates circulating pump, to be stopped Operating, when the temperature of working media is higher than the second preset value, controller manipulates second solenoid valve action, makes heat dissipation pipeline stream It is logical, circulation pump startup is manipulated, working media flows through radiator cooling, when the temperature of working media drops to three preset values Only, the second preset value is more than the first preset value.
5. collecting plate illumination power adjustable according to claim 1 exists without dirty intelligent solar water heater, its feature In：Assembling is used for the second temperature sensor for detecting working media temperature on the collecting plate；The controller is based on the first temperature Sensor obtain water tank water temperature, based on the second temperature sensor obtain working media temperature, when working media temperature with When the difference of the water temperature of water tank reaches the first heat exchange threshold value, controller, which manipulates the first electromagnetism valve events, makes heating pipeline circulate, behaviour Vertical circulation pump startup, working media flow through the water in heat exchanger heating water tank, until the temperature and water tank of working media The difference of water temperature is stopped when reaching the second heat exchange threshold value, is manipulated circulating pump and is stopped, and the first heat exchange threshold value is more than the second heat exchange threshold value；Work as work The difference for making the temperature of medium and the water temperature of water tank reaches the first heat exchange threshold value and the water temperature of water tank reaches the first preset value When, controller, which manipulates second solenoid valve action, makes heat dissipation pipeline circulate, and manipulates circulating pump and opens, working media flows through radiator and dissipates Heat drop temperature, stops when the temperature of working media and the difference of water temperature of water tank reach the second heat exchange threshold value；Preferably, when When the temperature that the water temperature of water tank reaches the first preset value and working media is higher than the second preset value, controller just manipulates second Electromagnetism valve events make heat dissipation pipeline circulate, and manipulate circulation pump startup, and working media flows through radiator heat-dissipation cooling, until work is situated between The temperature of matter is stopped when reaching three preset values.
6. collecting plate illumination power adjustable according to claim 5 exists without dirty intelligent solar water heater, its feature In：Flow sensor is set in the hot water delivery pipe road of the water tank, suitable for judging user is whether there is with water；In heating pipeline During water is heated in circulation, when water flow value of the controller based on flow sensor acquisition water tank is nonzero value, Behaviour's device processed manipulates heating tube roadlock and breaks, and suspends and water is heated, and when water flow value is null value, then manipulates heating pipeline circulation Continue to heat water；During suspending to water heating, if the temperature of working media is higher than the second preset value, controller behaviour Vertical heat dissipation pipeline circulation, working media flow through radiator cooling, stop when the temperature of working media is less than the second preset value.
7. collecting plate illumination power adjustable according to claim 1-6 without dirty intelligent solar water heater, its feature It is：The radiator is at least made of heat-dissipating pipe, and the heat-dissipating pipe extends from the top down along hand of helix, the helix Axis uprightly arrange that the radius of spin is sequentially reduced from the top down, heat-dissipating pipe in stand upside down it is round table-like, the lower end of heat-dissipating pipe is work Make the input port of medium, upper end is the delivery outlet of working media.
8. collecting plate illumination power adjustable according to claim 7 exists without dirty intelligent solar water heater, its feature In：The radiator further includes the drainage piece for strengthening convection effects, and the drainage piece is uprightly arranged, around the axis of heat-dissipating pipe Line is radially distributed, and drainage piece is run through by the heat-dissipating pipe, and drainage piece and the heat-dissipating pipe are affixed merging and fix；Further Ground, the radiator further include the flow guiding screen in inverted cone planar being made of side wall, and the top of flow guiding screen is set by the top Hold the outwardly extending and matched flanging of drainage piece top end face, the inner side edge positioned at heat-dissipating pipe axis side of the drainage piece The accommodation space for accommodating flow guiding screen is surrounded, the flow guiding screen stretches into the accommodation space and drainage piece assembling, described to turn up While cover in drainage piece top end face；The outer side edges of the drainage piece of the radiator set tubular isolating cylinder, drainage piece it is outer The madial wall of side and isolating cylinder fits, and the upper end of isolating cylinder is less than the upper end of drainage piece.
9. a kind of collecting plate illumination power adjustable without dirty intelligent solar water heater, it is characterised in that：Including for too The controller of positive energy water heater implementation control, the collecting plate of built-in working media, have the water tank of heat insulation function, for carrying Fixed frame, driving motor, the circulating pump for driving working media flow and the dissipating for working media heat dissipation of collecting plate Hot device；The collecting plate drives motor and the shaft axis connection, suitable for driving collecting plate by shaft and fixed frame axis connection Rotate around the axis to adjust the illumination power of collecting plate；Assembling is used for the first temperature sensing for detecting water tank water temperature on water tank Device, embedded in water storage tank are used for the heat exchanger and electric heater for heating water；Set on the collecting plate and be used to detect suffered by collecting plate The light intensity sensor of the illumination power of sunlight irradiation；The delivery outlet of the collecting plate, heat exchanger, circulating pump, collecting plate it is defeated Entrance connection forms heating pipeline, and thermal energy is transported and through in heat exchanger heat exchange water tank suitable for working media circulation Water, on the heating pipeline assembling be used to control the circulation of heating pipeline, the first solenoid valve of blocking state switching；The collecting plate The input port connection of delivery outlet, radiator, circulating pump, collecting plate forms heat dissipation pipeline, is transported suitable for working media circulation Thermal energy simultaneously cools down through radiator heat-dissipation, on the heat dissipation pipeline assembling be used to control heat dissipation pipeline circulation, the of blocking state switching Two solenoid valves；Controller obtains the water temperature of water tank based on the first temperature sensor, when the water temperature of water tank is less than preset temperature During the lower limit of scope, controller obtains the illumination power of collecting plate based on light intensity sensor, manipulates driving motor and rotates, adjustment Angle between collecting plate and sunray, stops when the illumination performance number of collecting plate is maximum, when the water temperature of water tank reaches pre- If during the lower limit of temperature range, controller obtains the illumination power of collecting plate based on light intensity sensor, manipulate driving motor and turn Move to reduce the illumination power of collecting plate, until the illumination performance number of light intensity sensor feedback is reduced to default illumination performance number When stop, the water temperature of water tank slowly raises, and when water temperature reaches the upper limit value of pre- temperature range, grasps device processed and manipulates the first solenoid valve Action blocks heating pipeline circulation, manipulates driving motor and rotates, until the illumination performance number of light intensity sensor feedback is minimum value When stop, to prevent the water temperature in water tank from raising, avoid incrustation scale from being formed.
10. a kind of intelligence control system for solar water heater, the solar water heater includes built-in working media Collecting plate, water tank and it is arranged on the heat exchanger heated with heat exchange mode to water in water tank, it is characterised in that：The intelligence Control system includes：Stored up for the radiator of working media heat dissipation, the circulating pump for driving working media flow, for detecting First temperature sensor of water tank water temperature, for detecting the second temperature sensor of working media temperature in collecting plate, for driving The driving device that dynamic collecting plate rotates, the light intensity sensor of the illumination power for detecting collecting plate, suitable for solar water Device implement control controller and the first solenoid valve and second solenoid valve, the first solenoid valve be arranged at least by collecting plate, Heat exchanger, circulating pump are connected in the heating pipeline of composition；Second solenoid valve is arranged at least by collecting plate, radiator, follows Ring pump is connected in the heat dissipation pipeline of composition；Controller obtains the water temperature of water tank based on the first temperature sensor, works as water tank Water temperature be less than preset temperature range lower limit when, controller based on light intensity sensor obtain collecting plate illumination power, behaviour Vertical driving device operating, adjusts the angle between collecting plate and sunray, until the illumination of the collecting plate of light intensity sensor feedback Performance number is stopped when maximum, and when the water temperature of water tank reaches the lower limit of preset temperature range, controller manipulates driving device fortune Turn to reduce the illumination power of collecting plate, until the illumination performance number of light intensity sensor feedback is reduced to default illumination performance number When stop, the water temperature of water tank is slowly raised, when water temperature reaches the upper limit value of preset temperature range, grasp device processed and manipulate the first electricity Magnet valve action blocks heating pipeline circulation, manipulates driving device operating, until the illumination performance number of light intensity sensor feedback is most Stop during small value；During heating pipeline is blocked circulation, the temperature that device processed obtains working media based on second temperature sensor is grasped, When the temperature of working media is higher than the second preset value, manipulating second solenoid valve makes heat dissipation pipeline circulate, and working media flows through heat dissipation Device cools down, and stops until the temperature of working media drops to the 3rd preset value, the 3rd preset value is less than the second preset value.
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EP2189736A2 (en) * 2007-07-10 2010-05-26 Jose Javier Alejo Trevijano Solar energy concentrator and assembly method
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