CN107477890A - A kind of hot water control system of solar water heater - Google Patents
A kind of hot water control system of solar water heater Download PDFInfo
- Publication number
- CN107477890A CN107477890A CN201710749290.3A CN201710749290A CN107477890A CN 107477890 A CN107477890 A CN 107477890A CN 201710749290 A CN201710749290 A CN 201710749290A CN 107477890 A CN107477890 A CN 107477890A
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- China
- Prior art keywords
- temperature
- chip microcomputer
- water
- hot water
- output end
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of hot water control system of solar water heater, including temperature detecting module, level sensing module, power circuit, auxiliary heater, single-chip microcomputer, hot water electromagnetic valve, cold water magnetic valve, LCD liquid crystal displays, buzzer and temperature setting module；The temperature detecting module, level sensing module, power circuit and the output end of auxiliary heater and the input of single-chip microcomputer are electrically connected with, the output end of the input and single-chip microcomputer of the hot water electromagnetic valve and cold water magnetic valve is electrically connected with, the output end of the single-chip microcomputer is electrically connected with the input of LCD liquid crystal displays and buzzer, and the output end of the temperature setting module and the input of single-chip microcomputer are electrically connected with.The SCM Based solar water heater leaving water temperature control system of the present invention, mixing water is set to keep constant temperature by adjusting hot water or cold water's solenoid valve conduction rate.
Description
Technical field
The present invention relates to field of electrical equipment, specially a kind of hot water control system of solar water heater.
Background technology
Although electric fan has its market advantage, traditional electric fan still has what many places should be improved, most prominent
The shortcomings that going out is that it can not be according to the change timely adjustment wind-force size of temperature, and for the big area of the night temperature difference, people are in the summer
The problem of such is likely encountered when night is using electric fan：Electric fan is still working when cooling in morning, but people because
It can not discover to sleep soundly, not only waste electric resources but also easily caused flu, although traditional mechanical timer can control electric wind
Fan is closed after work is certain, but timing range is limited, and can not be to the flexible processing of temperature change.In view of the above is examined
Consider, it would be desirable to design a kind of Design of Intelligent Fanner to solve these problems.
The content of the invention
It is an object of the invention to provide a kind of hot water control system of solar water heater, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of hot water control system of solar water heater,
Including temperature detecting module, level sensing module, power circuit, auxiliary heater, single-chip microcomputer, hot water electromagnetic valve, cold water electromagnetism
Valve, LCD liquid crystal displays, buzzer and temperature setting module；The temperature detecting module, level sensing module, power circuit and
The output end of auxiliary heater and the input of single-chip microcomputer are electrically connected with, the input of the hot water electromagnetic valve and cold water magnetic valve
It is electrically connected with the output end of single-chip microcomputer, the output end and the input of LCD liquid crystal displays and buzzer of the single-chip microcomputer are electrical
Connection, the output end of the temperature setting module and the input of single-chip microcomputer are electrically connected with.
Preferably, the level sensing module, from 74LS373 as the element for transmitting liquid level signal, list is not passed through
Piece machine just may know that water level information；Different water levels place wire in water tank, and when water level reaches designated value, electrode tip is changed into
The input D ground connection on ground, i.e. latch 74LS373, input end's data are 0, output end 0, i.e. LE D light-emitting diodes
Pipe connects low level, and lamp is bright；When the water level descends, input end's data 1, export as 1, i.e. LED negative poles connect high level, and lamp goes out；
The OE ends ground connection of latch, keeps low level；LE ends are always maintained at high level；The signal at D ends is directly defeated from output end O
Go out to single-chip microcomputer；O becomes with data D；Water level information is learnt by light emitting diode, receives single-chip microcomputer by latch
Water level information.
Preferably, temperature in use sensor measures the temperature of delivery port in the temperature detecting module system；Daily water consumption
Temperature typically at 20~8O DEG C, required resolution ratio be 1 DEG C, precision reaches 8；The temperature sensor selection of system
The one-line digital temperature sensors of DS18B20 of DALLAs companies；Its temperature measurement range is one 55~+125 DEG C, is programmed for
9~12 A/D conversion accuracies, thermometric resolution ratio is up to 0.062 5 DEG C, 16 bit digital quantity sides of dut temperature sign extended
Formula Serial output, 345.5V voltage range is supported, make system design more flexible；DS18B20 intermediate data pin D Q pin
It is connected with the P1.4 of single-chip microcomputer, system can directly read the temperature.
Preferably, the single-chip microcomputer is used to read temperature, obtains design temperature, control magnetic valve, prompts available and alarm；
Single-chip microcomputer selects AT 89C2051, and as control core, it has the advantages of cheap, reliable, and pin is enough.
Preferably, the hot water electromagnetic valve and cold water magnetic valve carry out Flow-rate adjustment, regulation using general solenoid valve
Mode is similar to the PWM voltage modulateds of motor；By changing the ON time of magnetic valve, the flow of hot water or cold water is adjusted；The system
Magnetic valve is the Direct Action Type diaphragm structure closed types of 2W160-15, flow aperture sound 15mm, uses voltage DC12V；Due to single-chip microcomputer
It is 5V power supplies, the break-make of triode indirect control magnetic valve need to be passed through.
Compared with prior art, the beneficial effects of the invention are as follows：The hot water control system of the solar water heater intelligence
Type solar water heater microcontroller has the characteristics of control is accurate, facilitates, and easily controllable, has good anti-interference
The features such as energy, and cost is cheap, it is more susceptible to user acceptance；The system will, control strong with its function and display precision be high, reliability
Good, low cost and other advantages have considerable economic benefit and social benefit；SCM Based solar water heater leaving water temperature
Control system, mixing water is set to keep constant temperature by adjusting hot water or cold water's solenoid valve conduction rate；System also has temperature setting, carried
Show and the function such as warn.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
In figure：1- temperature detecting modules；2- level sensing modules；3- power circuits；4- auxiliary heaters；5- single-chip microcomputers；
6- hot water electromagnetic valves；7- cold water magnetic valves；8-LCD liquid crystal displays；9- buzzers；10- temperature setting modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
A kind of referring to Fig. 1, embodiment provided by the invention：A kind of hot water control system of solar water heater, including
Temperature detecting module 1, level sensing module 2, power circuit 3, auxiliary heater 4, single-chip microcomputer 5, hot water electromagnetic valve 6, cold water electricity
Magnet valve 7, LCD liquid crystal displays 8, buzzer 9 and temperature setting module 10；It is characterized in that：The temperature detecting module 1, liquid level
The output end of detection module 2, power circuit 3 and auxiliary heater 4 is electrically connected with the input of single-chip microcomputer 5, the hot water electricity
The output end of the input of magnet valve 6 and cold water magnetic valve 7 and single-chip microcomputer 5 is electrically connected with, the output end and LCD of the single-chip microcomputer 5
The input of liquid crystal display 8 and buzzer 9 is electrically connected with, the output end of the temperature setting module 10 and the input of single-chip microcomputer 5
End is electrically connected with；The level sensing module 2, from 74LS373 as the element for transmitting liquid level signal, do not pass through single-chip microcomputer
5 just may know that water level information；Different water levels place wire in water tank, and when water level reaches designated value, electrode tip is changed into ground, i.e.,
Latch 74LS373 input D ground connection, input end's data are 0, and output end 0, i.e. LE D light emitting diodes connect
Low level, lamp are bright；When the water level descends, input end's data 1, export as 1, i.e. LED negative poles connect high level, and lamp goes out；Latch
The OE ends ground connection of device, keeps low level；LE ends are always maintained at high level；The signal at D ends directly from output end O export to
Single-chip microcomputer 5；O becomes with data D；Water level information is learnt by light emitting diode, single-chip microcomputer 5 is received water by latch
Position information；The temperature of temperature in use sensor measurement delivery port in the system of temperature detecting module 1；The temperature one of daily water consumption
As at 20~8O DEG C, required resolution ratio be 1 DEG C, precision reaches 8；The temperature sensor selection DALLAs of system is public
The one-line digital temperature sensors of DS18B20 of department；Its temperature measurement range is one 55~+125 DEG C, is programmed for 9~12
A/D conversion accuracies, for thermometric resolution ratio up to 0.062 5 DEG C, 16 bit digital quantity modes of dut temperature sign extended are serially defeated
Go out, support 345.5V voltage range, make system design more flexible；DS18B20 intermediate data pin D Q pin and single-chip microcomputer 5
P1.4 be connected, system can directly read the temperature；The single-chip microcomputer 5 is used to read temperature, obtains design temperature, control electromagnetism
Valve, prompting is available and alarms；Single-chip microcomputer 5 selects AT 89C2051, and it has the advantages of cheap, reliable as control core, and
Pin is enough；The hot water electromagnetic valve 6 and cold water magnetic valve 7 carry out Flow-rate adjustment, regulative mode using general solenoid valve
Similar to the PWM voltage modulateds of motor；By changing the ON time of magnetic valve, the flow of hot water or cold water is adjusted；The system electromagnetism
Valve is the Direct Action Type diaphragm structure closed types of 2W160-15, the m m of flow aperture sound 15, uses voltage DC12V；Because single-chip microcomputer is
5V powers, and need to pass through the break-make of triode indirect control magnetic valve.
Principle：During Design of System Software, it is necessary to the control requirement that clear and definite water heater is proposed to controller；When sunny
When, the water in water storage box can be heated to certain temperature (being likely to be greater than design temperature) by water heater using solar energy, control
Device will not start auxiliary heater 4；When sunlight insufficient (rainy days), in order that user, which can equally use, arrives hot water, control
Device processed can automatic start auxiliary heater 4, the water in water tank is heated to design temperature by electric energy；So, water heater is not
By in which type of weather, the hot water of design temperature can be provided a user, so as to bring advantage to the user；The main journey of system
Sequence mainly completes temperature, water level detecting and carries out current temperature value and the comparison of set temperature value and some function of initializing；
Look-up table is employed in main program and enters conversion of the line frequency to temperature, and when reading temperature, using reading 5 times, after taking sequence
Median be the temperature read, with this come to temperature carry out digital filtering processing.
Workflow：
（1）When water level is less than lowest water level, automatic watering module starts and carries out adding water until being more than lowest water level.
（2）When temperature is less than temperature (being defaulted as 50 DEG C) is set, automatic heating module starts and carries out being heated to setting
Temperature；When temperature is higher than alarm temperature (being arranged to 90 DEG C), system starts alarm.
（3）LCD real-time displays current water temperature and alarm temperature.
（4）Level sensing module waterline is represented with 4 display lamps, represents different waterlines
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from the present invention, the present invention can be realized in other specific forms.Therefore, no matter from which
From the point of view of a bit, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention will by appended right
Ask rather than described above limits, it is intended that all changes in the implication and scope of the equivalency of claim will be fallen
Include in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of hot water control system of solar water heater, including temperature detecting module（1）, level sensing module（2）, power supply
Circuit（3）, auxiliary heater（4）, single-chip microcomputer（5）, hot water electromagnetic valve（6）, cold water magnetic valve（7）, LCD liquid crystal displays（8）, honeybee
Ring device（9）With temperature setting module（10）；It is characterized in that：The temperature detecting module（1）, level sensing module（2）, power supply
Circuit（3）And auxiliary heater（4）Output end and single-chip microcomputer（5）Input be electrically connected with, the hot water electromagnetic valve（6）With
Cold water magnetic valve（7）Input and single-chip microcomputer（5）Output end be electrically connected with, the single-chip microcomputer（5）Output end and LCD liquid
Crystalline substance display（8）And buzzer（9）Input be electrically connected with, the temperature setting module（10）Output end and single-chip microcomputer（5）
Input be electrically connected with.
A kind of 2. hot water control system of solar water heater according to claim 1, it is characterised in that：The liquid level inspection
Survey module（2）, from 74LS373 as the element for transmitting liquid level signal, do not pass through single-chip microcomputer（5）It just may know that water level is believed
Breath；Different water levels place wire in water tank, and when water level reaches designated value, electrode tip is changed into ground, i.e. latch
74LS373 input D ground connection, input end's data are 0, and output end 0, i.e. LE D light emitting diodes connect low level,
Lamp is bright；When the water level descends, input end's data 1, export as 1, i.e. LED negative poles connect high level, and lamp goes out；The OE of latch
End ground connection, keeps low level；LE ends are always maintained at high level；The signal at D ends is directly exported to single-chip microcomputer from output end O
（5）；O becomes with data D；Water level information is learnt by light emitting diode, single-chip microcomputer is made by latch（5）Receive water level
Information.
A kind of 3. hot water control system of solar water heater according to claim 1, it is characterised in that：The temperature inspection
Survey module（1）The temperature of temperature in use sensor measurement delivery port in system；The temperature of daily water consumption is typically at 20~8O DEG C
, required resolution ratio is 1 DEG C, and precision reaches 8；The DS18B20 mono- of the temperature sensor selection DALLAs companies of system
Wire type digital temperature sensor；Its temperature measurement range is one 55~+125 DEG C, is programmed for 9~12 A/D conversion accuracies,
Thermometric resolution ratio 16 bit digital quantity mode Serial outputs of dut temperature sign extended, is supported up to 0.062 5 DEG C
345.5V voltage range, make system design more flexible；DS18B20 intermediate data pin D Q pin and single-chip microcomputer（5）P1.
4 are connected, and system can directly read the temperature.
A kind of 4. hot water control system of solar water heater according to claim 1, it is characterised in that：The monolithic
Machine（5）For reading temperature, acquisition design temperature, controlling magnetic valve, prompting to can use and alarm；Single-chip microcomputer（5）Selection
AT 89C2051 are as control core, and it has the advantages of cheap, reliable, and pin is enough.
A kind of 5. hot water control system of solar water heater according to claim 1, it is characterised in that：The hot water electricity
Magnet valve（6）With cold water magnetic valve（7）Flow-rate adjustment is carried out using general solenoid valve, regulative mode is similar to the PWM of motor
Voltage modulated；By changing the ON time of magnetic valve, the flow of hot water or cold water is adjusted；The system magnetic valve is 2W160-15
Direct Action Type diaphragm structure closed type, the m m of flow aperture sound 15, uses voltage DC12V；Because single-chip microcomputer is 5V power supplies, need to pass through
The break-make of triode indirect control magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749290.3A CN107477890A (en) | 2017-08-28 | 2017-08-28 | A kind of hot water control system of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749290.3A CN107477890A (en) | 2017-08-28 | 2017-08-28 | A kind of hot water control system of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477890A true CN107477890A (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710749290.3A Pending CN107477890A (en) | 2017-08-28 | 2017-08-28 | A kind of hot water control system of solar water heater |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086311A (en) * | 1993-09-01 | 1994-05-04 | 中国石化兰州炼油化工总厂 | Multi-way level-metering device |
| CN202420003U (en) * | 2012-01-18 | 2012-09-05 | 吕中志 | Temperature control water feed device of solar water heater |
| CN203024453U (en) * | 2012-11-25 | 2013-06-26 | 陕西亚泰电器科技有限公司 | Intelligent solar energy water heater control system |
| CN203068838U (en) * | 2013-03-04 | 2013-07-17 | 滁州学院 | Water temperature-water level monitoring system for solar water heater |
| CN103512231A (en) * | 2012-06-29 | 2014-01-15 | 陈萌 | Outlet-water constant temperature control system of solar water heater |
| CN103808037A (en) * | 2012-11-07 | 2014-05-21 | 牛玉琴 | Control instrument of solar water heater |
| CN205026975U (en) * | 2015-09-16 | 2016-02-10 | 广州骊阳能源科技有限公司 | Solar water -heating supplies controlling means |
-
2017
- 2017-08-28 CN CN201710749290.3A patent/CN107477890A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086311A (en) * | 1993-09-01 | 1994-05-04 | 中国石化兰州炼油化工总厂 | Multi-way level-metering device |
| CN202420003U (en) * | 2012-01-18 | 2012-09-05 | 吕中志 | Temperature control water feed device of solar water heater |
| CN103512231A (en) * | 2012-06-29 | 2014-01-15 | 陈萌 | Outlet-water constant temperature control system of solar water heater |
| CN103808037A (en) * | 2012-11-07 | 2014-05-21 | 牛玉琴 | Control instrument of solar water heater |
| CN203024453U (en) * | 2012-11-25 | 2013-06-26 | 陕西亚泰电器科技有限公司 | Intelligent solar energy water heater control system |
| CN203068838U (en) * | 2013-03-04 | 2013-07-17 | 滁州学院 | Water temperature-water level monitoring system for solar water heater |
| CN205026975U (en) * | 2015-09-16 | 2016-02-10 | 广州骊阳能源科技有限公司 | Solar water -heating supplies controlling means |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20171215 |