CN105605813A - Novel solar water heater - Google Patents

Novel solar water heater Download PDF

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Publication number
CN105605813A
CN105605813A CN201610167293.1A CN201610167293A CN105605813A CN 105605813 A CN105605813 A CN 105605813A CN 201610167293 A CN201610167293 A CN 201610167293A CN 105605813 A CN105605813 A CN 105605813A
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CN
China
Prior art keywords
water
control module
inlet
outlet pipe
return pipeline
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Granted
Application number
CN201610167293.1A
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Chinese (zh)
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CN105605813B (en
Inventor
朱开云
朱晓俊
邓灿
朱领军
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Jiangsu syt Photoelectric Technology Development Co Ltd
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YANGZHOU HANJIANG SYT ELECTRONIC AND TECHNOLOGY DEVELOPMENT CENTER
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Priority to CN201610167293.1A priority Critical patent/CN105605813B/en
Publication of CN105605813A publication Critical patent/CN105605813A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/60Arrangements for draining the working fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00Arrangements for controlling solar heat collectors
    • F24S50/40Arrangements for controlling solar heat collectors responsive to temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention relates to a novel solar water heater which comprises a water tank and a control module, wherein a water outlet of the water tank is connected with a hot water valve through a water inlet/outlet pipeline. The invention is characterized in that the novel solar water heater is provided with a return water pipeline, a temperature sensor and a water flow sensor; the lower end of the return water pipeline is arranged on the water inlet/outlet pipeline; the upper end of the return water pipeline is connected with the water tank through a solenoid valve; the water outlet of the water tank is provided with a water pump; the temperature sensor, water pump, solenoid valve and water flow sensor are respectively connected with the control module through control lines; the temperature sensor is used for detecting the temperature of the water inlet/outlet pipeline or return water pipeline; and the water flow sensor is used for detecting water flow information of the water outlet of the water tank. The water flow sensor and temperature sensor are used for monitoring the water flow and temperature change information in the hot water supply pipeline and judging whether the user uses the hot water, thereby controlling the starting or stopping of the water pump and solenoid valve, and achieving the goals of no (little) cold water, hot water pressurization and freezing prevention when the user uses the hot water.

Description

A kind of novel solar water heater
Technical field
The present invention relates to a kind of water tank, be specifically related to a kind of novel solar water heater, belong to water heater arrangement field, be mainly used in solar energy hot equipment technical field.
Background technology
Solar water heater is arranged on roof or roof, be communicated with user's feed pipe by pipeline, due to water all the time in pipeline, and these water can not heat up, therefore, user first will be put one section of cold water before use, and the water after user's water in pipeline can turn cold again, the user cold water higher apart from roof is more, and northern area is incubated bad meeting and causes water pipe freezing.
For addressing the above problem, technical staff designs exhaust-valve, for the hot water in pipeline is finished, still, when the each water of exhaust-valve user, needs operation control, does not operate the easiest. And when user's water, need to wait for the time not there are flowing out for 1-2 minute, and water outlet do not have pressure, need to put one section of cold water apart from the nearest balcony wall-hanging solar water heater in toilet and kitchen yet. Also have this situation even be arranged on indoor electricity, gas heater, gas heater be generally arranged on kitchen through ceiling to toilet pipeline the longest reach more than 20 meter, user in 4 meters of long tubes of PPR pipeline of diameter 20MM, has 1.13KG water, if will will be put cold water more than 5KG through 20 mitron roads at use in toilet hot water. It is just contrary with gas heater that electric heater is arranged on toilet. The existence of these shortcomings cause hot water facility all to exist letting cool water tired hold together.
Above situation, needs a kind of method to solve. The present invention's outstanding solar water heater of mainly dealing with problems, because solar water heater needs solution to decide heat hydraulic pressure and pipeline does not have cold water, below invention is out that tap just goes out the technical scheme of hot water, but electricity, gas heater and air-source water heater do not need hot water Pressurization scheme, but still need out tap just to go out the technical scheme of hot water. Now taking solar water heater as example, but all water heater arrangements are all suitable for.
Summary of the invention
The object of this invention is to provide a kind of novel solar water heater, by water flow sensing unit and temperature sensor, the current in supplying hot water pipeline and temperature information are monitored, judge whether user uses hot water, and then control water pump, magnetic valve unlatching or stop, reaching while using hot water and without cold water (the only cold water of 30-50CM flexible pipe), hot water supercharging, antifreeze object, the comfort of solar water heater can be promoted greatly.
The object of the invention is to be achieved through the following technical solutions, a kind of novel solar water heater, comprise water tank, control module, water outlet of water tank connects hot-water valve by inlet and outlet pipe lines, it is characterized in that, be provided with water return pipeline, temperature sensor, water flow sensing unit, water return pipeline lower end is arranged on described inlet and outlet pipe lines, water return pipeline upper end connects described water tank via magnetic valve, water outlet of water tank is provided with water pump, temperature sensor, water pump, magnetic valve, water flow sensing unit is respectively by control line link control module, temperature sensor is for detection of the temperature of inlet and outlet pipe lines or water return pipeline, water flow sensing unit is for detection of water outlet of water tank flow information of water,
After opening hot-water valve 1-10 second, user closes, water flow sensing unit outgoing signal is to control module, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor simultaneously, in the time that temperature is less than 34-45 and spends, control module is sent water pump unlatching, the magnetic valve unlatching instruction of 10 seconds to 20 minutes, and water pump is opened, magnetic valve is opened; Magnetic valve opening time reached 10 seconds-20 minutes time, shut electromagnetic valve, and whether control module continues to detect user by water flow sensing unit opens hot-water valve and uses hot water, if detect that user is using hot water, water pump continues unlatching, otherwise switches off the pump.
Preferably, when described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, start period 1 work: control module is sent the instruction of water pump, magnetic valve being opened 1-20 minute, water in water tank, inlet and outlet pipe lines, water return pipeline forms a closed circuit under the effect of water pump, in cyclic process, in inlet and outlet pipe lines, water return pipeline, coolant-temperature gage constantly rises, and water pump, magnetic valve are opened after 1-20 minute and stopped;
Afterwards, when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius again by temperature sensor, repeat period 1 work.
When described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, start period 1 work: control module is sent the instruction of water pump, magnetic valve being opened 1-20 minute, the period 1 start-up temperature of work is designated as T1,1≤T1≤7, the moment that starts period 1 work is designated as t1, t1=0; Control module detects inlet and outlet pipe lines or 2,20 minutes >=t2 >=1 minute of the temperature T in water return pipeline t2 moment by temperature sensor; In the time of T2≤T1, be that in inlet and outlet pipe lines or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, control module stops the work of repetition period 1, until water flow sensing unit outgoing signal is to control module.
Preferably, in described water tank, be provided with electric heater, electric heater connects described control module by control line, and electric heater is for antifreeze;
Described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, start period 1 work: control module is sent water pump, magnetic valve, electricity are added to the instruction that device is opened 1-20 minute, water in water tank, inlet and outlet pipe lines, water return pipeline forms a closed circuit under the effect of water pump, in cyclic process, in inlet and outlet pipe lines, water return pipeline, coolant-temperature gage constantly rises, water pump, magnetic valve, electricity add device unlatching to be stopped after 1-20 minute, completed period 1 work;
Afterwards, when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius again by temperature sensor, repeat period 1 work.
Preferably, when described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, start period 1 work: control module is sent the instruction of water pump, magnetic valve being opened 1-20 minute, the period 1 start-up temperature of work is designated as T3,1≤T3≤7, the moment that starts period 1 work is designated as t3, t3=0; Control module detects 4,20 minutes > t4 > of inlet and outlet pipe lines or the temperature T in water return pipeline t4 moment 1 minute by temperature sensor; In the time of T4≤T3, be that in inlet and outlet pipe lines or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, control module stops the work of repeated priming period 1, until water flow sensing unit outgoing signal is to control module.
Preferably, described water tank comprises tank shell and inner water tank, between tank shell and inner water tank, is provided with heat-insulation layer, and water flow sensing unit, water pump, control module, magnetic valve, temperature sensor are arranged between tank shell and inner water tank.
Preferably, described control module is that single-chip microcomputer or programmable controller exploitation form; In control module, be provided with application circuit.
Preferably, described temperature sensor is arranged on inside or the outside of inlet and outlet pipe lines.
Preferably, described temperature sensor is arranged on the outside and inner of water return pipeline.
Compared with prior art, the present invention has following beneficial effect:
The first, the invention provides a kind of novel solar water heater, and be placed on the pipeline becoming one between inner water tank and tank shell and with it without cold water function, supercharging water outlet and circulation antifreeze device. Novel solar water heater comprises: tank shell, inner bag, intake-outlet, water return outlet, electrical heating mouth, gas outlet, magnetic valve, temperature sensor, inlet and outlet pipe lines, water return pipeline. Novel solar water heater of the present invention is exactly by water pump, magnetic valve, electrical heating, control module etc., by control module, water pump, electromagnetic valve switch control is reached the effect of hot water supercharging and heat exchange circulation, and opening tap just has hot water.
Second, pipeline is without cold water function: after user opens hot-water valve 1-10 second, close, as using hot water signal, water flow sensing unit outgoing signal is to control module, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor simultaneously, in the time that temperature is less than 34-45 and spends, control module sends that water pump is opened, magnetic valve is opened the instruction of 10 seconds to 20 minutes, and water pump is opened, magnetic valve is opened; After 10 seconds to 20 minutes, closed electromagnetic valve, control module continues to detect user by water flow sensing unit and whether opens hot-water valve use hot water, if used, water pump continues to open, otherwise closes. At this moment solar water heater is comparable to solar water actuator temperature to user with the coolant-temperature gage in the pipeline of water end (W.E.), so user is being greater than 10 seconds, (time is determined by duct length) rear hot-water valve of opening just can directly can use hot water, and experience water pump lift and increase effect, whole process completed in 2 minutes at 10 seconds, depending on the water yield of water pump.
The 3rd, hot water function of increasing pressure: when user opens hot-water valve 1-10 second, as using hot water signal, at this moment water flow sensing unit outgoing signal is to control module, control module is made the instruction to water pump, unlatching, in the time that pipe temperature is greater than 34-45 and spends, magnetic valve is not opened, and user just can successfully use the discharge pressure of pump head size, general 0.1-0.15MPA above (water pump lift adds story height).
The 4th, freezing prevention tubing function: work as control module night in winter and solar water heater detected by temperature sensor, when described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, control module is sent water pump, magnetic valve is opened the instruction of 1-20 minute, water pump, magnetic valve is opened after 1-20 minute and is stopped, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor simultaneously, water in water tank is at inlet and outlet pipe lines, between water return pipeline and water tank, circulate, inlet and outlet pipe lines, in water return pipeline, coolant-temperature gage constantly rises, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor, in the time detecting that in inlet and outlet pipe lines or water return pipeline, coolant-temperature gage continues to rise, control module prepares to enter next cycle work, when control module detects that by temperature sensor in inlet and outlet pipe lines, coolant-temperature gage can not rise, control module starts next circulation, until water flow sensing unit outgoing signal is to control module.
For colder area, the north, when described hot-water valve is closed, and when control module detects in inlet and outlet pipe lines or water return pipeline coolant-temperature gage≤1-7 degree Celsius by temperature sensor, control module is sent water pump, magnetic valve, electricity adds the instruction that device is opened 1-20 minute, water pump, magnetic valve, electricity adds device unlatching to be stopped after 1-20 minute, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor simultaneously, water in water tank is at inlet and outlet pipe lines, between water return pipeline and water tank, circulate, inlet and outlet pipe lines, in water return pipeline, coolant-temperature gage constantly rises, control module continues to detect the temperature of inlet and outlet pipe lines or water return pipeline by temperature sensor, in the time detecting that in inlet and outlet pipe lines or water return pipeline, coolant-temperature gage continues to rise, control module enters next cycle work, when control module detects that by temperature sensor in inlet and outlet pipe lines, coolant-temperature gage can not rise, control module starts next circulation, until water flow sensing unit outgoing signal is to control module.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of novel solar water heater of the present invention;
In figure: gas outlet 1, vacuum tube interface 2, water flow sensing unit 3, water return outlet 4, water pump 5, control module 6, tank shell 7, inner water tank 8, delivery port 9, water inlet 10, heat-insulation layer 11, magnetic valve 12, temperature sensor 13, inlet and outlet pipe lines 14, water return pipeline 15, hot-water valve 16, electricity add device 17.
Detailed description of the invention
As shown in Figure 1, a kind of novel solar water heater, comprises water tank, control module 6, water return pipeline 15, temperature sensor 13, water flow sensing unit 3.
Water outlet of water tank 9 connects hot-water valve 16 by inlet and outlet pipe lines 14.
Water return pipeline 15 lower ends are arranged on described inlet and outlet pipe lines 14, and water return pipeline 15 upper ends connect described water tank via magnetic valve 12.
Water outlet of water tank is provided with water pump 5.
Temperature sensor 13, water pump 5, magnetic valve 12, water flow sensing unit 3 are respectively by control line link control module 6, and temperature sensor 13 is for detection of the temperature of inlet and outlet pipe lines 14 or water return pipeline 15; Water flow sensing unit 3 is for detection of water outlet of water tank flow information of water.
Preferably, connect electricity and add device 17 on water tank, electric heater 17 is by control line link control module 6.
After opening hot-water valve 161-10 second, user closes, as using hot water signal, water flow sensing unit 3 outgoing signals are to control module 6, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, in the time that temperature is less than 34-45 and spends, control module 6 sends that water pump 5 is opened, magnetic valve 12 is opened the instruction of 10 seconds to 20 minutes, and water pump 5 is opened, magnetic valve 12 is opened; Water pump 5, magnetic valve 12 move after 10 seconds to 20 minutes, and magnetic valve 12 closes, and whether control module 6 continues to detect user by water flow sensing unit 3 opens hot-water valve 16 and use hot water, if used, water pump 5 continues to open, otherwise closes. At this moment solar water heater is comparable to solar water actuator temperature to user with the coolant-temperature gage in the pipeline of water end (W.E.), so user be greater than 10 second time by duct length determine after open hot-water valve 16 just can directly can use hot water, and experience water pump lift and increase effect, whole process completed in 2 minutes at 10 seconds, depending on the water yield of water pump.
Work as control module 6 night in winter and detect that by temperature sensor 3 solar water heater enters, when described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 is sent water pump 5, magnetic valve 12 is opened the instruction of 1-20 minute, water pump 5, magnetic valve 12 is opened after 1-20 minute and is stopped, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, water in water tank is at inlet and outlet pipe lines 14, between water return pipeline 15 and water tank, circulate, inlet and outlet pipe lines 14, the interior coolant-temperature gage of water return pipeline 15 constantly rises,
When control module detects lasting rising of temperature in inlet and outlet pipe lines or water return pipeline by temperature sensor, control module 6 enters the next cycle work of preparing;
When control module 6 detects that by temperature sensor 13 the interior coolant-temperature gage of inlet and outlet pipe lines 14 no longer rises, control module 6 stops starting next circulation, until water flow sensing unit 3 outgoing signals are to control module 6, detailed process is:
When described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, start period 1 work: control module 6 is sent the instruction of water pump 5, magnetic valve 12 being opened 1-20 minute, the period 1 start-up temperature of work is designated as T1,1≤T1≤7, the moment that starts period 1 work is designated as t1, t1=0; Control module 6 detects inlet and outlet pipe lines 14 or the temperature T in water return pipeline 15t2 moment 2, wherein 20 minutes >=t2 >=1 minute by temperature sensor 13; In the time of T2≤T1, be that in inlet and outlet pipe lines 14 or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 stops the work of repetition period 1.
For colder area, the north, when described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 is sent and water pump 5, magnetic valve 12, electricity are added to device 17 is opened the instruction of 1-20 minute, water in water tank circulates between inlet and outlet pipe lines 14, water return pipeline 15 and water tank, inlet and outlet pipe lines 14, the interior coolant-temperature gage of water return pipeline 15 constantly rise, water pump 5, magnetic valve 12, electricity add device 17 to be opened after 1-20 minute and stops;
Control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, when control module detects lasting rising of temperature in inlet and outlet pipe lines or water return pipeline by temperature sensor, control module 6 prepares to enter next cycle work;
When control module 6 detects that by temperature sensor 13 the interior coolant-temperature gage of inlet and outlet pipe lines 14 no longer rises, control module 6 stops starting next circulation, until water flow sensing unit 3 outgoing signals are to control module 6, detailed process is:
When described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, start period 1 work: control module 6 is sent the instruction of water pump 5, magnetic valve 12 being opened 1-20 minute, the period 1 start-up temperature of work is designated as T3,1≤T3≤7, the moment that starts period 1 work is designated as t3, t3=0; Control module 6 detects inlet and outlet pipe lines 14 or the temperature T in water return pipeline 15t4 moment 4 by temperature sensor 13, wherein 20 minutes > t4 > 1 minute; In the time of T4≤T3, be that in inlet and outlet pipe lines 14 or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 stops the work of repeated priming period 1.
Water tank comprises tank shell 7 and inner water tank 8, between tank shell 7 and inner water tank 8, is provided with heat-insulation layer 11, water flow sensing unit 3, water return outlet 4, water pump 5, control module 6, magnetic valve 12, temperature sensor 13. Inner water tank 8 is provided with vacuum tube interface 2, water inlet 10, and electricity adds device 17.
Control module 6 is that single-chip microcomputer or programmable controller exploitation form; In control module 6, be provided with application circuit.
Inner water tank 8 is provided with gas outlet 1.
Novel solar water heater, its feature and design philosophy are applicable to solar vacuum-tube water heater and flat plate solar water heater, are also applicable to other hot water facility and comprise electricity, combustion gas, air-source water heater.
Pipeline is without cold water function: when user opens hot-water valve 161-10 second, as using hot water signal, water flow sensing unit 3 outgoing signals are to control module 6, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, in the time that temperature is less than 34-45 and spends, control module 6 sends that water pump 5 is opened, magnetic valve 12 is opened the instruction of 10 seconds to 20 minutes, and water pump 5 is opened, magnetic valve 12 is opened; After 10 seconds to 20 minutes, magnetic valve 12 cuts out, and whether control module 6 continues to detect user by water flow sensing unit 3 opens hot-water valve 16 and use hot water, if used, water pump 5 continues to open, otherwise closes. At this moment solar water heater is comparable to coolant-temperature gage in solar water heater to user with the coolant-temperature gage in the pipeline of water end (W.E.), so user opens hot-water valve 16 after the 10 second time (being determined by duct length) and just can directly can use hot water being greater than, and experience water pump lift and increase effect, whole process completed in 2 minutes at 10 seconds, and the time is looked the flow of water pump.
In the time that user opens hot-water valve 16, water flow sensing unit 3 outgoing signals are to control module 6, control module 6 is made the instruction to water pump 5, unlatching, in the time that pipe temperature is greater than 34-45 and spends, magnetic valve 12 is not opened, user just can successfully use the discharge pressure of pump head size, and general 0.1-0.15MPA adds story height with the lift of charging pump.
Freezing prevention tubing function: work as control module 6 night in winter and detect that by temperature sensor 3 solar water heater enters to work as described hot-water valve 16 and closes, when described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 is sent water pump 5, magnetic valve 12 is opened the instruction of 1-20 minute, water pump 5, magnetic valve 12 is opened after 1-20 minute and is stopped, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, water in water tank is at inlet and outlet pipe lines 14, between water return pipeline 15 and water tank, circulate, inlet and outlet pipe lines 14, the interior coolant-temperature gage of water return pipeline 15 constantly rises, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, and control module 6 prepares to enter next cycle work, when control module 6 detects that by temperature sensor 13 the interior coolant-temperature gage of inlet and outlet pipe lines 14 can not rise, control module 6 stops starting next circulation, until water flow sensing unit 3 outgoing signals are to control module 6.
For colder area, the north, when described hot-water valve 16 is closed, and when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13, control module 6 is sent water pump 5, magnetic valve 12, electricity adds device 17 and opens the instruction of 1-20 minute, water pump 5, magnetic valve 12, electricity adds device 17 and opens after 1-20 minute and stop, control module 6 continues to detect the temperature of inlet and outlet pipe lines 14 or water return pipeline 15 by temperature sensor 3 simultaneously, water in water tank is at inlet and outlet pipe lines 14, between water return pipeline 15 and water tank, circulate, inlet and outlet pipe lines 14, the interior coolant-temperature gage of water return pipeline 15 constantly rises, control module 6 prepares to enter next cycle work, when control module 6 detects that by temperature sensor 13 the interior coolant-temperature gage of inlet and outlet pipe lines 14 can not rise, control module 6 stops starting next circulation, until water flow sensing unit 3 outgoing signals are to control module 6.
Because used two sensors for distinguishing the statement of two sensors in present specification, description is to represent water-flow signal transmission with water flow sensing unit, temperature sensor represents temperature signal transmission, but it is multiple that the sensor that can transmit water-flow signal has, such as: pressure sensor, water flow rotor, water flow switch etc., described water flow sensing unit is all the sensors that can pass out signal in the time of user's water of broad sense.
In present specification " when user opens hot-water valve 161-10 second; as using hot water signal; water flow sensing unit 3 outgoing signals are to control module 6; " user's actual operating time user opens hot-water valve and can within 1-3 second, complete, in present specification, 1-10 considers use habit second, but aim wish user put minimum water as use signal, maximum possible reach use hot water there is no cold water.
In present specification " in the time that temperature is less than 34-45 and spends, control module 6 is sent water pump 5 and is opened, magnetic valve 12 is opened the instruction of 10 seconds to 20 minutes, " " when temperature is less than 34-45 degree " because the application's " a kind of novel solar water heater " be a kind of high-end product of solar water heater, all intelligence instruments of supporting water-temperature water-level demonstration and automatic loading water, user can know the hot water temperature in solar water heater water tank before using hot water, so think in present specification, user is as long as open hot-water valve 16, at this moment user need to use the hot water in solar water heater water tank, also be only likely the Warm Wash dish of 25 degree left and right, wash rice and also do not freeze hand, so " when temperature is less than 34-45 degree " temperature width surplus is larger in present specification, to be applicable to more more extensively needs of user.
In present specification " while detecting inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius, control module 6 is sent water pump 5 and is opened, magnetic valve 12 is opened the instruction of 10 seconds to 20 minutes, " comprise that " control module 6 is sent water pump 5, magnetic valve 12, electricity adds device 17 and opens 1-20 minute " by current supporting pump head 9-15 rice, flow 25L/ minute, in can 1 minute to the water circulation in the PPR pipeline of diameter 20 once, because be antifreeze circulation, in order to make water pump can open frequency too not high, so the hot water between selection " 1-20 minute " at this moment in interior conduit is possibility water back completely, object can reduce opening times.
Antifreeze unlatching in present specification: " when control module 6 detects inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 of water return pipeline 15 degree Celsius by temperature sensor 13 " antifreeze unlatching optimum temperature≤2-4 degree Celsius, product is considered the factor such as the part error of temperature sensor and transducing part and the position of temperature sensor placement in the time of design, so be set as inlet and outlet pipe lines 14 or the interior coolant-temperature gage≤1-7 degree Celsius of water return pipeline 15.
" inlet and outlet pipe lines 14 in present specification, the interior coolant-temperature gage of water return pipeline 15 constantly rises " with " the interior coolant-temperature gage of inlet and outlet pipe lines 14 can not rise, " refer to: in coolant-temperature gage≤1-7 degree Celsius, suppose 5 degrees Celsius of conduct unlatching water pumps 5 of the interior coolant-temperature gage of inlet and outlet pipe lines 14 or water return pipeline 15, magnetic valve 12, electricity adds device 17 and opens 1-20 minute judgement temperature spot, when opening water pump 5, magnetic valve 12, electricity adds device 17 and opens in 1-20 minute, through circulation inlet and outlet pipe lines 14, 5 degrees Celsius of the interior coolant-temperature gage > of water return pipeline 15, we think that temperature constantly rises, think that coolant-temperature gage can not rise otherwise be less than or equal to.
Because in present specification in accompanying drawing by water flow sensing unit 3, water pump 5, control module 6, tank shell 7, magnetic valve 12, be drawn between tank shell 7, inner water tank 8, this is one of the method that will express of application documents, implementation method of the present invention is multiple, such as all devices are placed in an incubation chamber and become stand-alone product, also can be placed on the several different methods such as user is indoor, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
In present specification, in accompanying drawing, inlet and outlet pipe lines 14 is disclosed as to a pipeline, in fact can increase again a pipeline as water inlet pipe, or utilize water return pipeline 15 as water inlet pipe, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Because in accompanying drawing, except three assemblies such as inlet and outlet pipe lines 14, water return pipeline 15, hot-water valve 16, other assembly can all pack novel solar water heater entirety into and dispatches from the factory in present specification.
In controller, being provided with application circuit, single-chip microcomputer or programmable controller exploitation forms.
From upper description, novel solar water heater of the present invention improves by simple structure function, effectively make the pipeline of solar water heater without cold water, supercharging, antifreeze accomplished, all operations does not need to press any switch simultaneously, this is that hot-water valve 16 is carried out to switch, greatly promotes operating characteristics and the comfort of solar water heater. The ingenious uniqueness of its technical conceive, has solved the technical barrier that solar water heater and hot water application exist always pointedly. Meanwhile, the present invention is simple in structure, and wide adaptability can conveniently easily be applied on existing solar water heater.
Each concrete technical characterictic described in above-mentioned detailed description of the invention, can be combined by any suitable mode, within it falls into scope disclosed in this invention equally. In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail, but, the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention, can carry out multiple simple variant to technical scheme of the present invention, such as, magnetic valve can not install use return pipe instead tubule or change into the valve that needs some pressure energies to open such as: resemble the methods such as this class valve of vertical check valve, except pressurized effect is not good, pipeline is without cold water function, freezing prevention tubing function is the same can be realized, these simple variant all belong to protection scope of the present invention. protection scope of the present invention is defined by the claims.

Claims (9)

1. a novel solar water heater, comprise water tank, control module (6), water outlet of water tank (9) connects hot-water valve (16) by inlet and outlet pipe lines (14), it is characterized in that, be provided with water return pipeline (15), temperature sensor (13), water flow sensing unit (3), water return pipeline (15) lower end is arranged on described inlet and outlet pipe lines (14), water return pipeline (15) upper end connects described water tank via magnetic valve (12), water outlet of water tank is provided with water pump (5), temperature sensor (13), water pump (5), magnetic valve (12), water flow sensing unit (3) is respectively by control line link control module (6), temperature sensor (13) is for detection of the temperature of inlet and outlet pipe lines (14) or water return pipeline (15), water flow sensing unit (3) is for detection of water outlet of water tank flow information of water,
After opening hot-water valve (16) 1-10 second, user closes, water flow sensing unit (3) outgoing signal is to control module (6), control module (6) continues to detect the temperature of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (3) simultaneously, in the time that temperature is less than 34-45 and spends, control module (6) is sent water pump (5) unlatching, magnetic valve (12) the unlatching instruction of 10 seconds to 20 minutes, and water pump (5) is opened, magnetic valve (12) is opened; Magnetic valve (12) opening time reached 10 seconds-20 minutes time, shut electromagnetic valve (12), control module (6) continues to detect user by water flow sensing unit (3) and whether opens hot-water valve (16) use hot water, if detect that user is using hot water, water pump (5) continues to open, otherwise switch off the pump (5).
2. novel solar water heater according to claim 1, it is characterized in that, when described hot-water valve (16) is closed, and when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), start period 1 work: control module (6) is sent water pump (5), magnetic valve (12) is opened the instruction of 1-20 minute, water tank, inlet and outlet pipe lines (14), water in water return pipeline (15) forms a closed circuit under the effect of water pump, inlet and outlet pipe lines (14), the interior coolant-temperature gage of water return pipeline (15) constantly rises, water pump (5) is opened after 1-20 minute and is quit work, magnetic valve (12) opens after 1-20 minute and cuts out,
Afterwards, when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) again by temperature sensor (13), repeat period 1 work.
3. novel solar water heater according to claim 1, it is characterized in that, when described hot-water valve (16) is closed, and when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), start period 1 work: control module (6) is sent the instruction of water pump (5), magnetic valve (12) being opened 1-20 minute, the period 1 start-up temperature of work is designated as T1,1≤T1≤7, the moment that starts period 1 work is designated as t1, t1=0; Control module (6) detects the temperature T 2 in inlet and outlet pipe lines (14) or water return pipeline (15) t2 moment, wherein 20 minutes >=t2 >=1 minute by temperature sensor (13); In the time of T2≤T1, be that in inlet and outlet pipe lines (14) or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), control module (6) stops the work of repetition period 1.
4. novel solar water heater according to claim 1, is characterized in that, is provided with electric heater (17) in described water tank, and electric heater (17) connects described control module (6) by control line, and electric heater (17) is for antifreeze;
When described hot-water valve (16) is closed, and when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), start period 1 work: control module (6) is sent water pump (5), magnetic valve (12), electricity adds the instruction that device (17) is opened 1-20 minute, water tank, inlet and outlet pipe lines (14), water in water return pipeline (15) forms a closed circuit under the effect of water pump, inlet and outlet pipe lines (14), the interior coolant-temperature gage of water return pipeline (15) constantly rises, water pump (5), magnetic valve (12), electricity adds device (17) unlatching to be stopped after 1-20 minute, complete period 1 work,
Afterwards, when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) again by temperature sensor (13), repeat period 1 work.
5. novel solar water heater according to claim 1, it is characterized in that, when described hot-water valve (16) is closed, and when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), start period 1 work: control module (6) is sent the instruction of water pump (5), magnetic valve (12) being opened 1-20 minute, the period 1 start-up temperature of work is designated as T3,1≤T3≤7, the moment that starts period 1 work is designated as t3, t3=0; Control module (6) detects inlet and outlet pipe lines (14) or the temperature T 4 in water return pipeline (15) t4 moment by temperature sensor (13), wherein 20 minutes > t4 > 1 minute; In the time of T4≤T3, be that in inlet and outlet pipe lines (14) or water return pipeline, coolant-temperature gage does not rise, after period 1 end-of-job, even when control module (6) detects interior coolant-temperature gage≤1-7 degree Celsius of inlet and outlet pipe lines (14) or water return pipeline (15) by temperature sensor (13), control module (6) stops the work of repeated priming period 1.
6. according to the novel solar water heater described in claim 1,2,3,4 or 5, it is characterized in that, described water tank comprises tank shell (7) and inner water tank (8), between tank shell (7) and inner water tank (8), be provided with heat-insulation layer (11), water flow sensing unit (3), water pump (5), control module (6), magnetic valve (12), temperature sensor (13) are arranged between tank shell (7) and inner water tank (8).
7. novel solar water heater according to claim 6, is characterized in that, described control module (6) is that single-chip microcomputer or programmable controller exploitation form; Control module is provided with application circuit in (6).
8. novel solar water heater according to claim 7, is characterized in that, described temperature sensor (13) is arranged on inside or the outside of inlet and outlet pipe lines (14).
9. novel solar water heater according to claim 7, is characterized in that, described temperature sensor (13) is arranged on the outside and inner of water return pipeline (15).
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CN111667636A (en) * 2020-05-15 2020-09-15 江苏帅因特光电科技开发有限公司 Wireless self-service intelligent water heating system

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CN204478541U (en) * 2014-12-16 2015-07-15 张仕霖 The emptying connected system of a kind of solar energy water heater pipe
CN205580015U (en) * 2016-03-23 2016-09-14 扬州帅因特光电科技开发有限公司 Novel solar water heater

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JP2002005531A (en) * 2000-06-23 2002-01-09 Chofu Seisakusho Co Ltd Solar powered water heater and its control method
CN201611182U (en) * 2010-01-11 2010-10-20 栾诚敏 Cold water eliminating and defreezing system of solar water heater pipeline
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CN111667636A (en) * 2020-05-15 2020-09-15 江苏帅因特光电科技开发有限公司 Wireless self-service intelligent water heating system

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Address before: 225106 Huangjiaqiao, Donggang Road, Lidian Town, Guangling District, Yangzhou City, Jiangsu Province

Patentee before: YANGZHOU HANJIANG SYT ELECTRONIC AND TECHNOLOGY DEVELOPMENT CENTER