CN102563920A - Control system of water heater integrally powered by solar energy and air energy - Google Patents
Control system of water heater integrally powered by solar energy and air energy Download PDFInfo
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- CN102563920A CN102563920A CN2010106017633A CN201010601763A CN102563920A CN 102563920 A CN102563920 A CN 102563920A CN 2010106017633 A CN2010106017633 A CN 2010106017633A CN 201010601763 A CN201010601763 A CN 201010601763A CN 102563920 A CN102563920 A CN 102563920A
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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
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Abstract
The invention relates to the technology of control systems of water heaters, in particular to a control system of a water heater integrally powered by solar energy and air energy. The control system comprises a single chip microcomputer control circuit, a driving circuit, a keyboard, a display circuit, an electromagnetic valve, a solar energy unit and an air energy heat pump unit. The electromagnetic valve is used for controlling water intake of a water tank of the water heater, and the solar energy unit and the air energy heat pump unit are used for heating water in the water tank of the water heater. When solar energy is sufficient, the water in the water tank of the water heater is automatically heated by the solar energy unit, hot water is supplied for users, and the air energy heat pump unit does not need to be started; and when judging that the solar energy is insufficient, the single chip microcomputer control circuit can start the air energy heat pump unit to heat the water in the water tank of the water heater, then hot water is supplied for the users, and accordingly starting of the air energy heat pump unit is intelligently controlled. Accordingly, the control system can integrally control the solar energy unit and the air energy heat pump unit, and has the advantage of high intelligence.
Description
Technical field
The present invention relates to the water heater control system technology, relate in particular to a kind of solar energy and air-source water heater all-in-one control system.
Background technology
Along with the fast development of water heater technology, the water heater of simple functions such as solar water heater, air-source water heater has satisfied not user's user demand.So; Some producer has designed solar energy and air-source water heater all-in-one; It has had two kinds of functions of solar water heater and air-source water heater concurrently; When solar energy is sufficient, only need to start the solar energy unit and can heat the interior water of water tank of water heater and carry out the hot water supply, realize environmental protection and energy saving; When solar energy is inadequate, can starts the air energy heat pump unit and heat the interior water of water tank of water heater and carry out the hot water supply, to guarantee user's user demand.
But; The control system of solar energy and air-source water heater all-in-one adopts the pattern of control respectively mostly in the prior art; Promptly be divided into solar water heater function control system and air-source water heater function control system; When the user need use the solar water heater function, start the solar energy unit through the solar water heater function control system separately; When the user need use the air-source water heater function, start the air energy heat pump unit through the air-source water heater function control system separately.This solar energy and air-source water heater all-in-one control system intelligent degree is lower, it is comparatively inconvenient to use.
Summary of the invention
The objective of the invention is to be directed against the deficiency of prior art and provide intelligent, easy to use solar energy of a kind of height and air-source water heater all-in-one to control system.
The object of the invention is realized through following technical measures: a kind of solar energy and air-source water heater all-in-one control system; It includes single chip machine controlling circuit, drive circuit, keyboard and display circuit, be used to control water heater water tank water inlet magnetic valve, be used to heat the solar energy unit and the air energy heat pump unit of the water in the water tank of water heater; The input of drive circuit is connected with the driving signal output part of single chip machine controlling circuit; Keyboard and display circuit are connected with the control display end of single chip machine controlling circuit, and the control end of magnetic valve is connected with first output of drive circuit; Said solar energy unit is provided with the water-level and water-temperature testing circuit, and the water-level and water-temperature testing circuit is connected with the water-level and water-temperature detection signal input of single chip machine controlling circuit; Said air energy heat pump unit is provided with blower fan, compressor, cross valve, water circulating pump, evaporating temperature testing circuit, delivery temperature testing circuit, ambient temperature detection circuit; The control end of blower fan is connected with second output of drive circuit; The control end of compressor is connected with the 3rd output of drive circuit; The control end of cross valve is connected with the 4th output of drive circuit; The control end of water circulating pump is connected with the 5th output of drive circuit; The detection signal output of evaporating temperature testing circuit is connected with the evaporating temperature detection signal input of single chip machine controlling circuit; The detection signal output of delivery temperature testing circuit is connected with the delivery temperature detection signal input of single chip machine controlling circuit, and the detection signal output of ambient temperature detection circuit is connected with the environment temperature detection signal input of single chip machine controlling circuit.
Further comprise power circuit.
It is the single-chip microcomputer U1 of ATmega48 that said single chip machine controlling circuit adopts model.
Said water-level and water-temperature testing circuit comprises water level detecting unit, temperature detecting unit; The detection signal output of water level detecting unit is connected with the water level detecting signal input part of single chip machine controlling circuit, and the detection signal output of temperature detecting unit is connected with the water temperature detection signal input of single chip machine controlling circuit.
It is the level sensor of ATS173 that said water level detecting unit adopts model, and temperature detecting unit adopts thermistor temperature sensor.
Said evaporating temperature testing circuit, delivery temperature testing circuit, ambient temperature detection circuit all are to adopt thermistor temperature sensor.
Said drive circuit comprises integrated multipath chip for driving U2, and the output of integrated multipath chip for driving U2 is connected with relay K 1, K2, K3, K4, K5, and relay K 1, K2, K3, K4, K5 be splicing ear J1, J2, J3, J4, J5 respectively.
The model of said integrated multipath chip for driving U2 is ULN2003.
Said keyboard and display circuit comprise liquid crystal display and keyboard drive unit, LCD, and LCD is connected with the demonstration signal output part of liquid crystal display and keyboard drive unit.
It is liquid crystal display/keyboard drive chip U5 of MSM6786 that said liquid crystal display and keyboard drive unit adopt model.
Beneficial effect of the present invention is: the present invention includes single chip machine controlling circuit, drive circuit, keyboard and display circuit, be used to control water heater water tank water inlet magnetic valve, be used to heat the solar energy unit and the air energy heat pump unit of the water in the water tank of water heater.When solar energy was sufficient, the present invention can heat the water in the water tank of water heater automatically through the solar energy unit, is user's hot-water supply, need not to start the air energy heat pump unit; When the water temperature in the water-level and water-temperature testing circuit of single chip machine controlling circuit of the present invention through the solar energy unit detects the water tank of water heater does not reach user's demand; Single chip machine controlling circuit can be judged and thinks that solar energy is inadequate; So single chip machine controlling circuit can start the interior water of water tank that the air energy heat pump unit heats water heater, makes its water temperature reach user's demand; Be user's hot-water supply again, thus the startup of intelligent control air ability source pump.Therefore, the present invention can realize the integrated control of solar energy unit and air energy heat pump unit, and has highly intelligentized characteristics.
Description of drawings
Fig. 1 is the frame principle figure of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
Fig. 2 is the circuit theory diagrams of the single chip machine controlling circuit of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
Fig. 3 is the circuit theory diagrams of the drive circuit of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
Fig. 4 is the circuit theory diagrams of the water-level and water-temperature testing circuit of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
Fig. 5 is the circuit theory diagrams of evaporating temperature testing circuit, delivery temperature testing circuit and the ambient temperature detection circuit of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
Fig. 6 is keyboard and the liquid crystal display of display circuit and the circuit theory diagrams of keyboard drive unit and LCD of a kind of solar energy of the present invention and air-source water heater all-in-one control system.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, include:
1---single chip machine controlling circuit 2---drive circuit
3---keyboard and display circuit 31---liquid crystal display and keyboard drive unit
32---LCD 4---magnetic valve
51---water-level and water-temperature testing circuit 511---water level detecting unit
512---temperature detecting unit 61---blower fan
62---compressor 63---cross valve
64---water circulating pump 65---evaporating temperature testing circuit
66---delivery temperature testing circuit 67---ambient temperature detection circuit
7---power circuit.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
A kind of solar energy of the present invention and air-source water heater all-in-one control system; Shown in Fig. 1～6; Include single chip machine controlling circuit 1, drive circuit 2, keyboard and display circuit 3, be used to control water heater water tank water inlet magnetic valve 4, be used to heat the solar energy unit and the air energy heat pump unit of the water in the water tank of (i.e. heating) water heater; The input of drive circuit 2 is connected with the driving signal output part of single chip machine controlling circuit 1; Make single chip machine controlling circuit 1 give drive circuit 2 by output drive signal; Keyboard and display circuit 3 are connected with the control display end of single chip machine controlling circuit 1, and the control end of magnetic valve 4 is connected with first output of drive circuit 2, make single chip machine controlling circuit 1 can control the inflow of the water tank of water heater through drive circuit 2 control magnetic valves 4; The solar energy unit is provided with water-level and water-temperature testing circuit 51; Water-level and water-temperature testing circuit 51 is connected with the water-level and water-temperature detection signal input of single chip machine controlling circuit 1, makes single chip machine controlling circuit 1 can detect the interior water level and the water temperature of water tank of water heater through water-level and water-temperature testing circuit 51; The air energy heat pump unit is provided with blower fan 61, compressor 62, cross valve 63, water circulating pump 64, evaporating temperature testing circuit 65, delivery temperature testing circuit 66, ambient temperature detection circuit 67; The control end of blower fan 61 is connected with second output of drive circuit 2; Make single chip machine controlling circuit 1 control blower fans 61 through drive circuit 2; The control end of compressor 62 is connected with the 3rd output of drive circuit 2; Make single chip machine controlling circuit 1 control compressors 62 through drive circuit 2; The control end of cross valve 63 is connected with the 4th output of drive circuit 2; Make single chip machine controlling circuit 1 control cross valves 63 through drive circuit 2; The control end of water circulating pump 64 is connected with the 5th output of drive circuit 2; Make single chip machine controlling circuit 1 control water circulating pumps 64 through drive circuit 2, the detection signal output (TEMP3) of evaporating temperature testing circuit 65 is connected with the evaporating temperature detection signal input of single chip machine controlling circuit 1, makes single chip machine controlling circuit 1 can detect the evaporator coil temperature of water heaters through evaporating temperature testing circuit 65; The detection signal output (TEMP2) of delivery temperature testing circuit 66 is connected with the delivery temperature detection signal input of single chip machine controlling circuit 1; Make single chip machine controlling circuit 1 can detect the delivery temperature of compressor 62 through delivery temperature testing circuit 66, the detection signal output (TEMP4) of ambient temperature detection circuit 67 is connected with the environment temperature detection signal input of single chip machine controlling circuit 1, makes single chip machine controlling circuit 1 detect ambient temperature through ambient temperature detection circuit 67.
The present invention further comprises power circuit 7, and the output of power circuit 7 is connected with the power input of single chip machine controlling circuit 1 circuit unit such as grade and parts, for single chip machine controlling circuit 1 circuit unit such as grade and parts provide power supply.
It is the single-chip microcomputer U1 of ATmega48 that single chip machine controlling circuit 1 adopts model, and model is advantages such as the single-chip microcomputer U1 of ATmega48 has the integrated level height, volume is little, cost is low, reliable and stable; Water level, water temperature and water-level and water-temperature testing circuit 51 actual detected that single-chip microcomputer U1 can set according to keyboard and display circuit 3 to parameters such as water-level and water-temperature carry out intelligent decision, decision whether start parts such as the blower fan 61, compressor 62, cross valve 63, water circulating pump 64 of air energy heat pump unit make heat, action such as defrosting.
Water-level and water-temperature testing circuit 51 comprises water level detecting unit 511, temperature detecting unit 512; The detection signal output (WATER) of water level detecting unit 511 is connected with the water level detecting signal input part of single chip machine controlling circuit 1, and wherein, it is the level sensor (D2～D5) of ATS173 that water level detecting unit 511 adopts models; Level sensor is the high-precision hall element; Its concrete mounting structure is, several (as four) level sensors are fixed on the vertical guide slot in the water tank of water heater, drive magnet steel through float and float along guide groove; The output of level sensor converts different voltages with different to through a resistor network; Input to the water level detecting signal input part (for A/D conversion mouth) of single-chip microcomputer U1, become data signal in single-chip microcomputer U1 internal conversion, the method for tabling look-up through linear interpolation obtains water level value.
The detection signal output (TEMP1) of the temperature detecting unit 512 of water-level and water-temperature testing circuit 51 is connected with the water temperature detection signal input of single chip machine controlling circuit 1; Wherein, Temperature detecting unit 512 adopts thermistor temperature sensor (RT1); Evaporating temperature testing circuit 65, delivery temperature testing circuit 66, ambient temperature detection circuit 67 all are to adopt thermistor temperature sensor (RT2～RT4); Thermistor temperature sensor is that corresponding different partial pressure value input to single-chip microcomputer U1, and the method for tabling look-up through linear interpolation obtains temperature value.Need to prove; The level sensor that water level detecting unit 511 adopts is integrated special-purpose water-level and water-temperature sensor with the thermistor temperature sensor that temperature detecting unit 512 adopts, and has overcome mechanical type, the easy scaling of electric pole type level sensor, poor reliability, many defectives such as precision is low, the life-span is short, installation complicacy.
Keyboard and display circuit 3 comprise liquid crystal display and keyboard drive unit 31, LCD 32 (LCD); LCD 32 is connected with the demonstration signal output part of liquid crystal display and keyboard drive unit 31; Keyboard and display circuit 3 mainly are used for parameter such as designated water level, water temperature and show water level, water temperature, mode of operation etc.; In order fully effectively to utilize the input and output pin of single-chip microcomputer U1, liquid crystal display and keyboard drive unit 31 employing models are that liquid crystal display/keyboard drive chip U5 of MSM6786 comes driving liquid crystal device 32 and receives keyboard input signal; The operating voltage of liquid crystal display/keyboard drive chip U5 is 4.5～5.5V; Working environment requires to-40 ℃～85 ℃; Can support the demonstration of 29 * 4 section LCD at most; The keyboard scanning circuit of built-in 5 * 6 keys, mode of operation adopt three-way (DATE, LOAD, CLOCK) serial passage mode to be connected with single-chip microcomputer U1, have reduced the number of LCD, keyboard and single-chip microcomputer U1 line to greatest extent.
Certainly; The model and the parameter of above-mentioned single-chip microcomputer U1, level sensor, thermistor temperature sensor, liquid crystal display/electronic devices and components such as keyboard drive chip U5 are only for reference; When practical implementation present technique scheme, its model and parameter value can be made amendment according to actual environment.
When solar energy is sufficient; The present invention can heat the water (for example: the water tank of water heater is the solar energy storage water tank) in the water tank of water heater automatically through the solar energy unit; Make water temperature in the water tank of water heater reach user's demand, be user's hot-water supply, need not to start the air energy heat pump unit; When the water temperature in the thermistor temperature sensor of single-chip microcomputer U1 of the present invention through the temperature detecting unit 512 of solar energy unit detects the water tank of water heater does not reach user's demand; Single-chip microcomputer U1 can judge and thinks that solar energy is inadequate; So; Single-chip microcomputer U1 can control magnetic valve 4, blower fan 61, compressor 62, cross valve 63, water circulating pump 64 these equipment according to parameters such as detected water level, evaporating temperature, delivery temperature, environment temperatures and carry out corresponding actions, promptly starts the water in the water tank that the air energy heat pump unit heats water heater, makes its water temperature reach user's demand; Be user's hot-water supply again, whole process realizes intelligent control.
In sum, the present invention can realize the integrated control of solar energy unit and air energy heat pump unit, and has highly intelligentized characteristics, can be widely used in solar energy and air-source water heater all-in-one.
Should be noted that at last; Above embodiment is only in order to explain technical scheme of the present invention; But not to the restriction of protection domain of the present invention, although with reference to preferred embodiment the present invention has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical scheme of the present invention.
Claims (10)
1. solar energy and air-source water heater all-in-one control system; It is characterized in that: it includes single chip machine controlling circuit, drive circuit, keyboard and display circuit, be used to control water heater water tank water inlet magnetic valve, be used to heat the solar energy unit and the air energy heat pump unit of the water in the water tank of water heater; The input of drive circuit is connected with the driving signal output part of single chip machine controlling circuit; Keyboard and display circuit are connected with the control display end of single chip machine controlling circuit, and the control end of magnetic valve is connected with first output of drive circuit; Said solar energy unit is provided with the water-level and water-temperature testing circuit, and the water-level and water-temperature testing circuit is connected with the water-level and water-temperature detection signal input of single chip machine controlling circuit; Said air energy heat pump unit is provided with blower fan, compressor, cross valve, water circulating pump, evaporating temperature testing circuit, delivery temperature testing circuit, ambient temperature detection circuit; The control end of blower fan is connected with second output of drive circuit; The control end of compressor is connected with the 3rd output of drive circuit; The control end of cross valve is connected with the 4th output of drive circuit; The control end of water circulating pump is connected with the 5th output of drive circuit; The detection signal output of evaporating temperature testing circuit is connected with the evaporating temperature detection signal input of single chip machine controlling circuit; The detection signal output of delivery temperature testing circuit is connected with the delivery temperature detection signal input of single chip machine controlling circuit, and the detection signal output of ambient temperature detection circuit is connected with the environment temperature detection signal input of single chip machine controlling circuit.
2. solar energy according to claim 1 and air-source water heater all-in-one control system is characterized in that: further comprise power circuit.
3. solar energy according to claim 1 and air-source water heater all-in-one control system, it is characterized in that: it is the single-chip microcomputer U1 of ATmega48 that said single chip machine controlling circuit adopts model.
4. according to any described solar energy of claim 1 to 3 and air-source water heater all-in-one control system; It is characterized in that: said water-level and water-temperature testing circuit comprises water level detecting unit, temperature detecting unit; The detection signal output of water level detecting unit is connected with the water level detecting signal input part of single chip machine controlling circuit, and the detection signal output of temperature detecting unit is connected with the water temperature detection signal input of single chip machine controlling circuit.
5. solar energy according to claim 4 and air-source water heater all-in-one control system, it is characterized in that: it is the level sensor of ATS173 that said water level detecting unit adopts model, temperature detecting unit adopts thermistor temperature sensor.
6. according to any described solar energy of claim 1 to 3 and air-source water heater all-in-one control system, it is characterized in that: said evaporating temperature testing circuit, delivery temperature testing circuit, ambient temperature detection circuit all are to adopt thermistor temperature sensor.
7. according to any described solar energy of claim 1 to 3 and air-source water heater all-in-one control system; It is characterized in that: said drive circuit comprises integrated multipath chip for driving U2; The output of integrated multipath chip for driving U2 is connected with relay K 1, K2, K3, K4, K5, and relay K 1, K2, K3, K4, K5 be splicing ear J1, J2, J3, J4, J5 respectively.
8. solar energy according to claim 7 and air-source water heater all-in-one control system, it is characterized in that: the model of said integrated multipath chip for driving U2 is ULN2003.
9. according to any described solar energy of claim 1 to 3 and air-source water heater all-in-one control system; It is characterized in that: said keyboard and display circuit comprise liquid crystal display and keyboard drive unit, LCD, and LCD is connected with the demonstration signal output part of liquid crystal display and keyboard drive unit.
10. solar energy according to claim 9 and air-source water heater all-in-one control system, it is characterized in that: it is liquid crystal display/keyboard drive chip U5 of MSM6786 that said liquid crystal display and keyboard drive unit adopt model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106017633A CN102563920A (en) | 2010-12-23 | 2010-12-23 | Control system of water heater integrally powered by solar energy and air energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106017633A CN102563920A (en) | 2010-12-23 | 2010-12-23 | Control system of water heater integrally powered by solar energy and air energy |
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| CN102563920A true CN102563920A (en) | 2012-07-11 |
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| CN2010106017633A Pending CN102563920A (en) | 2010-12-23 | 2010-12-23 | Control system of water heater integrally powered by solar energy and air energy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884117A (en) * | 2014-03-21 | 2014-06-25 | 珠海百瑞电子科技有限公司 | Solar and air energy full-intelligent control system |
| CN104329807A (en) * | 2014-11-25 | 2015-02-04 | 珠海格力电器股份有限公司 | Smart heating control method and control device |
| CN106197000A (en) * | 2016-07-12 | 2016-12-07 | 广东工业大学 | A kind of crops solar-energy air-energy composite drier Intelligent Constant Temperature Controlling System |
| CN108168213A (en) * | 2017-12-12 | 2018-06-15 | 西安建筑科技大学 | A kind of Eichhornia crassipes using solar energy crushes drying unit |
| CN108489092A (en) * | 2018-03-09 | 2018-09-04 | 浙江海莱芙电子科技有限公司 | A kind of domestic air energy water heater intelligent control system |
| WO2018184135A1 (en) * | 2017-04-04 | 2018-10-11 | 深圳市上羽科技有限公司 | Apparatus capable of performing heating in various climates |
| CN109612100A (en) * | 2019-01-10 | 2019-04-12 | 河南普绿环保科技有限公司 | A kind of air energy water heater and control system |
| CN109883061A (en) * | 2019-04-02 | 2019-06-14 | 刘斯汉 | The control system of space energy Teat pump boiler |
| CN112833553A (en) * | 2020-04-03 | 2021-05-25 | 青岛经济技术开发区海尔热水器有限公司 | Water heater control system and water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103884117A (en) * | 2014-03-21 | 2014-06-25 | 珠海百瑞电子科技有限公司 | Solar and air energy full-intelligent control system |
| CN104329807A (en) * | 2014-11-25 | 2015-02-04 | 珠海格力电器股份有限公司 | Smart heating control method and control device |
| CN106197000A (en) * | 2016-07-12 | 2016-12-07 | 广东工业大学 | A kind of crops solar-energy air-energy composite drier Intelligent Constant Temperature Controlling System |
| WO2018184135A1 (en) * | 2017-04-04 | 2018-10-11 | 深圳市上羽科技有限公司 | Apparatus capable of performing heating in various climates |
| CN108168213A (en) * | 2017-12-12 | 2018-06-15 | 西安建筑科技大学 | A kind of Eichhornia crassipes using solar energy crushes drying unit |
| CN108489092A (en) * | 2018-03-09 | 2018-09-04 | 浙江海莱芙电子科技有限公司 | A kind of domestic air energy water heater intelligent control system |
| CN109612100A (en) * | 2019-01-10 | 2019-04-12 | 河南普绿环保科技有限公司 | A kind of air energy water heater and control system |
| CN109883061A (en) * | 2019-04-02 | 2019-06-14 | 刘斯汉 | The control system of space energy Teat pump boiler |
| CN112833553A (en) * | 2020-04-03 | 2021-05-25 | 青岛经济技术开发区海尔热水器有限公司 | Water heater control system and water heater |
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Application publication date: 20120711 |