CN1936455A - Efficient heat-collecting device of solar water heater - Google Patents
Efficient heat-collecting device of solar water heater Download PDFInfo
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- CN1936455A CN1936455A CNA2006101508153A CN200610150815A CN1936455A CN 1936455 A CN1936455 A CN 1936455A CN A2006101508153 A CNA2006101508153 A CN A2006101508153A CN 200610150815 A CN200610150815 A CN 200610150815A CN 1936455 A CN1936455 A CN 1936455A
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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
This invention relates to a high efficient heat-collecting device for solar energy heaters used in poor sun shine icing zones in winter and cold regions including a central control chip, a temperature sensor W1, a temperature sensor W2, a water level sensor H1, a water level sensor H2, a photosensitive sensor Q, a switch, a water pump, an electric control valve and a control panel, in which, the temperature sensors, the water-level sensors, the photosensitive sensor and the switch are connected to the central control chip via cables and the chip is connected with the water pump, the electric control valve and the control panel via cables.
Description
(1) technical field
The present invention relates to a kind of solar water heater, particularly a kind of suitable daylight time is short, illumination is not enough and freezed in winter is regional and the efficient heat-collecting device of the separated type solar water heater that extremely frigid zones uses.
(2) background technology
The separated type solar water heater is a kind of energy-efficient solar water heater, the maximum difference of the solar water heater of separated type solar water heater and traditional one is that the water tank of solar water heater is installed in indoor, and be not installed in outdoorly with the solar thermal collector one, effectively avoided water tank in outdoor situation of easily freezing.
But on energy-conservation angle, general water heater shines at low light, during unglazed the photograph, solar thermal collector itself will produce heat waste, and behind the unglazed photograph, water temperature in the solar thermal collector will descend significantly, when supplying water heating once more, the heating water temperature starting point of solar thermal collector needs when solar irradiation intensity is up to standard, with the water water temperature after the cooling in the heat collector is the heating starting point, therefore electricity was added heat power consumption and was increased greatly winter, improved the production cost and the operating cost of solar water heater, and the water in the solar thermal collector can impel also solar thermal collector to produce the bursting by freezing phenomenon, greatly reduce the service life of solar water heater.
(3) summary of the invention
The object of the present invention is to provide a kind of water in the solar thermal collector of to realize of separated type solar water heater that is applicable to reflux, supplementary heating water is subjected to the efficient heat-collecting device of solar thermal collector of relative intensity of illumination, heat collector water water temperature, the triple automatic controls of water tank water water temperature of the sun.
The object of the present invention is achieved like this: it comprises central control chip, temperature sensor W1, temperature sensor W2, level sensor H1, level sensor H2, light sensor Q, water flow switch S, water pump M, electrically-controlled valve Y1 and control panel, wherein temperature sensor, level sensor, light sensor and water flow switch are connected central control chip, and central control chip connects water pump, electrically-controlled valve and control panel.
When realizing purpose, the present invention also has some architectural features like this:
1, electrically-controlled valve Y1 links to each other with water pump M, water flow switch S, all is arranged in the water-heater water tank.
2, temperature sensor W1 and level sensor H1 are arranged in the water-heater water tank, and temperature sensor W2 and level sensor H2 are arranged in the heat collector.
3, light sensor Q is arranged on the heat collector.
4, control panel is arranged on the water-heater water tank surface, and control panel is provided with keyboard unit and display unit.
Control procedure principle of the present invention is:
1, central control circuit collection and read in the water temperature signal of judging temperature sensor W1 and W2 and the illuminance signal of light sensor Q and it is handled;
2, central control circuit is set the preset heating temperature of water in the solar thermal collector according to water temperature signal and illuminance Signal Processing result;
3, central control circuit judges according to the water level signal of level sensor H1 and level sensor H2 collection whether water situation and control in solar thermal collector and the water tank enter the heat cycles process after preset heating temperature is set again, whether and whether output order control electrically-controlled valve Y1, water pump M work, A-B is communicated with;
4, central control circuit is according to water temperature signal output order control electrically-controlled valve Y1, the water pump M work of temperature sensor W1 and temperature sensor W2 collection.
Wherein central control circuit all carries out the filtering processing to water temperature signal and illumination signal, central control circuit is the integrated treatment result of intensity of illumination in 10 minutes to the illuminance Signal Processing, and with intensity of illumination be divided into by force, in, weak three kinds of situations, be meant by force and can make the situation of water temperature rising more than 10 ℃ in the water tank, in be to instigate that water temperature raises more than 2 ℃ in the water tank, situation below 10 ℃, a little less than be meant and can not make raise situation more than 2 ℃ of water temperature in the water tank.When central control circuit judged that according to the illuminance signal of light sensor Q illuminance is strong state, the preset heating temperature that water in the solar thermal collector is set was a coolant-temperature gage in the water tank+10 ℃.When central control circuit judges that according to the illuminance signal of light sensor Q illuminance is middle state, the temperature the when preset heating temperature that water in the solar thermal collector is set is zero for temperature sensor W1 sends water temperature characteristic curve derivative.Central control circuit is made instruction according to the water situation in solar thermal collector and the water tank, judge and then control the heat cycles process that enters when water does not have emptying in the solar thermal collector, then judge that by level sensor H1 water tank has under the situation of water when judging emptying, central control circuit drives electrically-controlled valve Y1 and water pump M work, and control A-B is communicated with.Central control circuit reads in waterlevel data in the solar thermal collector by level sensor H2, judges that control water pump M and electrically-controlled valve Y1 quit work when being full of water in the solar thermal collector, and control A-B disconnects.When central control circuit judges that according to the illuminance signal of light sensor Q illuminance is weak state, control water pump M quits work, and driving electrically-controlled valve Y1, A-B is communicated with, central control circuit reads in waterlevel data in the solar thermal collector by level sensor H2, waits for by time-delay, judges when current in the solar thermal collector are intact, stop to drive electrically-controlled valve Y1, A-B is disconnected.
The water of solar thermal collector when solar irradiation is not enough, is given central control circuit by the light sensor number of delivering a letter by the intensity of illumination control of the sun among the present invention, and the hot water in the control solar thermal collector is back in the indoor water tank of solar water heater automatically; And low light according to the time do not have water in the solar thermal collector, when solar irradiation reaches solar thermal collector thermal-arrest standard, make the water storage of central control circuit control room inner water tank pump into solar thermal collector automatically by water pump by light sensor, solar thermal collector serves as that the heating starting point is started working with the water temperature that charges into water.
The present invention is the collection of collection solar irradiation intensity, temperature acquisition and the relevant embedded system that is controlled in one.Water in the solar thermal collector of split close type solar water heater refluxes and supplementary heating water is gathered by sensor solar irradiation relative intensity signal, the water temperature signal in the solar thermal collector, the triple controls of water temperature signal in the water tank, by single-chip microcomputer the various signals and the setting value of gathering are compared, when the collecting efficiency of solar thermal collector during less than zero (heat-collecting capacity is less than heat dissipation capacity), the water in the solar thermal collector is back to indoor water tank.When solar thermal collector collecting efficiency during greater than zero (heat-collecting capacity is greater than heat dissipation capacity), the water storage in the split close type solar water heater indoor water tank utilizes water pump to add in the solar thermal collector automatically.Concrete feature is: when the collecting efficiency of solar thermal collector less than zero the time, do not have water in the solar thermal collector, when the solar thermal collector collecting efficiency greater than zero the time, be full of water in the solar thermal collector, thereby reach the purpose that improves the solar thermal collector thermal efficiency.
Some of hot water backflow functionality of the present invention acts on, and strengthened the function of use of solar water heater, improved the thermal efficiency of solar water heater, reduced the production cost and the operating cost of solar water heater effectively.Because the water in the solar thermal collector of the present invention refluxes and supplementary heating water is controlled by triple signals automatically, so it is very high in water tank water storage water temperature, when the relative intensity of illumination of the sun is more weak (this moment, the absolute light photograph of sunshine might not be very low), water in the solar thermal collector also is back to water tank, to reduce the heat waste of solar thermal collector, above innovative technology, under the not high prerequisite of solar thermal collector insulation index (using the low-cost solar heat collector), two purposes of solar thermal collector freezing prevention and efficient heat-collecting have been realized.
(4) description of drawings
Fig. 1 is a principle schematic of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is a workflow schematic diagram of the present invention;
Fig. 4 is the central control circuit figure of the embodiment of the invention 1;
Fig. 5 is keyboard, the demonstration control schematic diagram of the embodiment of the invention 1;
Fig. 6 is the central control circuit figure of the embodiment of the invention 2;
Fig. 7 is keyboard, the demonstration control schematic diagram of the embodiment of the invention 2.
(5) specific embodiment
Embodiment 1:
In conjunction with Fig. 1-2, control panel is arranged on the water-heater water tank surface in the present embodiment, it is provided with keyboard unit and display unit, central control circuit mainly comprises central control chip IC5 and drive circuit chip IC4, temperature sensor W1, temperature sensor W2, level sensor H1, level sensor H2, light sensor Q and water flow switch S are connected central control chip IC5 by cable, and central control chip IC5 connects drive circuit chip IC4 by keyboard, display unit on cable connection water pump M, electrically-controlled valve Y1, electrically-controlled valve Y2 and the control panel.Electrically-controlled valve Y1, electrically-controlled valve Y2 link to each other with water pump M, water flow switch S, all are arranged in the water-heater water tank.Temperature sensor W1, level sensor H1 are arranged in the water-heater water tank, and temperature sensor W2, level sensor H2 are arranged in the heat collector, and light sensor Q is arranged on the heat collector.
In conjunction with Fig. 4, level sensor H1 is via not gate IC1A, IC1B, resistance R 1, R3, R5, diode D3-D6, capacitor C 7, the peripheral signal that E4 forms is amplified, shaping circuit connects 10 pin of central control chip IC5 chip, level sensor H2 is via not gate IC1C, IC1D, diode D13-D16, capacitor C 9, the peripheral signal that E5 forms is amplified, shaping circuit connects 13 pin of central control chip IC5 chip, temperature sensor W1 is via amplifier IC2A, resistance R 17, R26, R27, the peripheral signal that potentiometer VR5 forms is amplified, shaping circuit connects 17 pin of central control chip IC5 chip, temperature sensor W2 is via amplifier IC2B, resistance R 18, R28, R29, the peripheral signal that potentiometer VR6 forms is amplified, shaping circuit connects 16 pin of central control chip IC5 chip, light sensor Q is via amplifier IC3A, resistance R 30, R24, R25, the peripheral signal that potentiometer VR4 forms is amplified, shaping circuit connects 18 pin of central control chip IC5 chip, water flow switch S connects 4 pin of central control chip IC5, water pump M simultaneously connects interchange AC220V power supply, one side is connected 16 pin of control drive circuit IC4 chip by K switch 2, electrically-controlled valve Y1 connects 15 pin of control drive circuit IC4 chip, electrically-controlled valve Y2 connects 14 pin of control drive circuit IC4 chip, 9 pin of control drive circuit IC4 chip connect power supply, 8 pin ground connection, the 1-3 pin connects the 1-3 pin of central control chip IC5 respectively through not gate U2A-U2C, 6 of the control chip IC5 of central authorities, 7 pin meet crystal oscillating circuit JT1, capacitor C 1 and C2 are to ground, 11-12, the 19-20 pin connects the 4-7 pin of keyboard circuit J12 respectively, the 1-3 pin of J12 connects power supply, 7-10 pin ground connection, device P1, B1, electric capacity E1, C6, E3, LM7805CT sheet V1, electric capacity E2 and C3 constitute power circuit.
In conjunction with Fig. 5, button S1-S8 is a keyboard input button, resistance R 3-R10 is a current-limiting resistance, button S1-S8 connects resistance R 3-R10 respectively, the 10-17 pin of the 2-9 pin Access Control chip U1 of pull down resistor row R12, the 1 pin ground connection of resistor chain R12, light emitting diode L1 is a power supply indicator, connect power supply by resistance R 2, LED pipe group U2, U3 is a light-emitting diode display spare, common formation display circuit connects the 18-25 pin of button and control chip U1 respectively, one side is linked to each other respectively by bus when connecting button S1-S8, and another side connects button by resistance R 1, and the 6-9 pin of control chip U1 is the 4-7 pin of interface unit J1 respectively, 1-2,28 pin connect power supply, 4 pin ground connection, the 27RC pin connects resistance R 11 and arrives ground to power supply and capacitor C 1, the 1-3 pin of device J1 connects power supply, 8-10 pin ground connection, electric capacity E1, C1-C3 is as the shunt capacitance of circuit.
Specifically describe the course of work of the present invention below in conjunction with Fig. 3:
Central control circuit is according to the state that reads in water flow switch S, if the water flow switch action then illustrates the user at water, stop to drive electrically-controlled valve Y1 this moment, and A-B is disconnected, and drives water pump M, gives the user water in the water tank.
If water flow switch does not have action, illustrate that then the user does not have water, if this moment, the water of solar thermal collector and water tank exchanged, further judge again, if the W1 water temperature rises to W2 water temperature+predetermined ascending temperature and the W2 water temperature is lower than 90 ℃, then have under the situation of water at water tank, drive electrically-controlled valve Y1, A-B is communicated with, the water of solar thermal collector and water tank is exchanged, otherwise, if the W1 water temperature does not rise to W2 water temperature+predetermined ascending temperature or the W2 water temperature is not less than 90 ℃, water pump M is quit work, stop to drive electrically-controlled valve Y1, A-B is disconnected, thereby stop the exchange process of the water of solar thermal collector and water tank.If this moment, the water of solar thermal collector and water tank did not exchange, then judge temperature conditions, if it is zero-signal (water temperature is by the limit that rises to decline) that temperature sensor W2 sends water temperature characteristic curve derivative, water pump M is quit work, stop to drive electrically-controlled valve Y1, A-B is disconnected, thereby stop the exchange process of the water of solar thermal collector and water tank.
Embodiment 2:
Control panel is arranged on the water-heater water tank surface in the present embodiment, it is provided with keyboard unit and display unit, central control circuit mainly comprises central control chip IC2, analog to digital conversion circuit chip IC 5 and drive circuit chip IC11, temperature sensor W1, temperature sensor W2, level sensor H1, level sensor H2, light sensor Q is connected central control chip IC2 with water flow switch S by cable, and central control chip IC2 connects drive circuit chip IC11 and connects water pump M by cable, electrically-controlled valve Y1, keyboard on electrically-controlled valve Y2 and the control panel, display unit.Electrically-controlled valve Y1, electrically-controlled valve Y2 link to each other with water pump M, water flow switch S, all are arranged in the water-heater water tank.Temperature sensor W1, level sensor H1 are arranged in the water-heater water tank, and temperature sensor W2, level sensor H2 are arranged in the heat collector, and light sensor Q is arranged in the heat collector.
In conjunction with Fig. 6, level sensor H1 is via not gate IC8A, IC8B, resistance R 10, R12, R14, diode D1, D2, D7, D8, the peripheral signal that capacitor C 13 and E11 form is amplified, shaping circuit connects 15 pin of central control chip IC2, level sensor H2 is via not gate IC8C, IC8D, diode D9-D12, the peripheral signal that capacitor C 14 and E13 form is amplified, shaping circuit connects 14 pin of central control chip IC2, temperature sensor W1 is via amplifier IC9A, resistance R 6, R7, R19, the peripheral signal that potentiometer VR2 forms is amplified, 2 pin of shaping circuit connection mode number conversion IC circuit 5 chips, temperature sensor W2 is via amplifier IC9B, resistance R 8, R9, R20, the peripheral signal that potentiometer VR3 forms is amplified, 3 pin of shaping circuit connection mode number conversion IC circuit 5 chips, light sensor Q is via amplifier IC10A, resistance R 21-R23, the peripheral signal that potentiometer VR1 forms is amplified, 1 pin of shaping circuit connection mode number conversion IC circuit 5 chips, the 13REF+ of IC5 chip, the 14REF-pin connects power supply and ground by capacitor C 3 and E2,20 pin connect power supply, 10 pin connect power supply and ground by capacitor C 9 and E1, function pin 16-18 connects 2 of IC6 chip respectively, 5, the 5-7 pin of 6 pin and central control chip IC2, the 19BOC of IC5 chip, the 15CS pin meets 4 of central control chip IC2 respectively, 3 pin, 3 of IC6 chip, 8 pin connect power supply, 4 pin ground connection, 1 pin connects 8 pin of central control chip IC2,7 pin connect 9 pin that draw resistance R 1 to VCC and central control chip IC2, water flow switch S connects 1 pin of central control chip IC2, water pump M simultaneously connects power supply, one side is connected 16 pin of control drive circuit IC11 chip by K switch 1, electrically-controlled valve Y1 connects 15 pin of control drive circuit IC11 chip, electrically-controlled valve Y2 connects 14 pin of control drive circuit IC11 chip, 9 pin of control drive circuit IC11 chip connect power supply, 8 pin ground connection, the 1-3 pin connects the 25-27 pin of central control chip IC2 respectively through not gate U1A-U1C, 18 of the control chip IC2 of central authorities, 19 pin meet crystal oscillating circuit JT1, capacitor C 1 and C2 are to ground, 31 pin connect power supply, the 21-24 pin connects the 4-7 pin of keyboard circuit J8 respectively, the 1-3 pin of J8 connects power supply, 8-10 pin ground connection, device P1, B1, electric capacity E3, C11, E6, LM7805CT sheet V1, electric capacity E4 and C10 constitute power circuit.
In conjunction with Fig. 7, button S11-S18 is a keyboard input button, resistance R 103-R110 is a current-limiting resistance, button S11-S18 connects resistance R 103-R110 respectively, the 10-17 pin of the 2-9 pin Access Control chip U11 of pull down resistor row R112, the 1 pin ground connection of resistor chain R112, light emitting diode L11 is an indicator of the power supply status, connect power supply by resistance R 102, LED pipe group U12, U13 is a light-emitting diode display spare, common formation display circuit connects the 18-25 pin of button and control chip U11 respectively, one side is linked to each other respectively by bus when connecting button S11-S18, another side connects button by resistance R 101, the 6-9 pin of control chip U11 is the 3-8 pin of interface unit J11 respectively, 1-2,28 pin connect power supply, 4 pin ground connection, the 27RC pin connects resistance R 111 and arrives ground to power supply and capacitor C 11, the 1-2 pin of device J11 connects power supply, 9-10 pin ground connection, 3 of 7-8 pin difference interface unit X2,5,6 pin, 4 of device X2,9 pin ground connection, 12 pin meet power supply VCC by resistance R 98, electric capacity E11, C11-C13 is as the shunt capacitance of circuit.
Course of work control is as embodiment 1.
Claims (4)
1, a kind of efficient heat-collecting device of solar water heater, it is characterized in that: it comprises central control chip, temperature sensor W1, temperature sensor W2, level sensor H1, level sensor H2, light sensor Q, water flow switch S, water pump M, electrically-controlled valve Y1 and control panel, wherein temperature sensor, level sensor, light sensor and water flow switch are connected central control chip by cable, and central control chip connects water pump, electrically-controlled valve and control panel by cable.
2, the efficient heat-collecting device of a kind of solar water heater according to claim 1 is characterized in that: electrically-controlled valve Y1 links to each other with water pump M, water flow switch S, all is arranged in the water-heater water tank.
3, the efficient heat-collecting device of a kind of solar water heater according to claim 1 is characterized in that: temperature sensor W1 and level sensor H1 are arranged in the water-heater water tank, and temperature sensor W2 and level sensor H2 are arranged in the heat collector.
4, the efficient heat-collecting device of a kind of solar water heater according to claim 1 is characterized in that: light sensor Q is arranged on the heat collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610150815A CN100580337C (en) | 2006-09-27 | 2006-09-27 | Heat-collecting device of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610150815A CN100580337C (en) | 2006-09-27 | 2006-09-27 | Heat-collecting device of solar water heater |
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| Publication Number | Publication Date |
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| CN1936455A true CN1936455A (en) | 2007-03-28 |
| CN100580337C CN100580337C (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610150815A Expired - Fee Related CN100580337C (en) | 2006-09-27 | 2006-09-27 | Heat-collecting device of solar water heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242950A (en) * | 2011-07-07 | 2011-11-16 | 刘至国 | Household energy integrated machine |
| CN102506507A (en) * | 2011-10-11 | 2012-06-20 | 李德杰 | Optical condensation solar heat collector used at low temperature |
| CN103216960A (en) * | 2013-04-15 | 2013-07-24 | 宁夏银晨太阳能科技有限公司 | Green constant heat station |
| CN104913532A (en) * | 2015-05-29 | 2015-09-16 | 广西大学 | Automatic control system of solar water heater and control method thereof |
| CN108507193A (en) * | 2018-05-08 | 2018-09-07 | 马艺娜 | A kind of generating solar water heater and energy saving anti-freezing method of energy saving anti-freezing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425865B (en) * | 2011-11-07 | 2013-06-05 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
-
2006
- 2006-09-27 CN CN200610150815A patent/CN100580337C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242950A (en) * | 2011-07-07 | 2011-11-16 | 刘至国 | Household energy integrated machine |
| CN102242950B (en) * | 2011-07-07 | 2014-01-22 | 滁州伯恩太阳能科技有限公司 | Household energy integrated machine |
| CN102506507A (en) * | 2011-10-11 | 2012-06-20 | 李德杰 | Optical condensation solar heat collector used at low temperature |
| CN103216960A (en) * | 2013-04-15 | 2013-07-24 | 宁夏银晨太阳能科技有限公司 | Green constant heat station |
| CN104913532A (en) * | 2015-05-29 | 2015-09-16 | 广西大学 | Automatic control system of solar water heater and control method thereof |
| CN108507193A (en) * | 2018-05-08 | 2018-09-07 | 马艺娜 | A kind of generating solar water heater and energy saving anti-freezing method of energy saving anti-freezing |
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| Publication number | Publication date |
|---|---|
| CN100580337C (en) | 2010-01-13 |
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