CN108413628A - A kind of solar energy couples hot-water heating system and its control method with air source heat pump - Google Patents

A kind of solar energy couples hot-water heating system and its control method with air source heat pump Download PDF

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CN108413628A
CN108413628A CN201810119993.2A CN201810119993A CN108413628A CN 108413628 A CN108413628 A CN 108413628A CN 201810119993 A CN201810119993 A CN 201810119993A CN 108413628 A CN108413628 A CN 108413628A
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solar energy
heat
water
heat pump
hot
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CN108413628B (en
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付凯
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Hangzhou Longhua Environment Integration System Co Ltd
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Hangzhou Longhua Environment Integration System Co Ltd
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    • 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 discloses a kind of solar energy to couple the control method of hot-water heating system with air source heat pump, includes the following steps:S1 is in the previous day using hot water, and according to the historical data of solar illumination and hot water usage amount, prediction solar energy obtains heat, solar energy heating duration and the first Limit temperature value, and obtains heat according to the total heat consumption of system and solar energy, predicts the heat pump opening time;First limiting temperature is the limiting temperature of the solar energy heating of prediction;S2 uses the same day of hot water, when the time of solar energy heating reaching preset duration, according to the relationship of the water temperature of current water tank and the first limit water temperature, adjusts the heat pump opening time;S3 opened air source heat pump and is heated to water tank according to the heat pump opening time after adjustment, and when the water temperature in water tank reaches the temperature of user demand, and control heat pump stops heating.In addition, the invention also discloses a kind of solar energy to couple hot-water heating system with air source heat pump.Using the present invention, the utilization rate of solar energy is improved.

Description

A kind of solar energy couples hot-water heating system and its control method with air source heat pump
Technical field
The present invention relates to hot water system technology field, especially solar energy, and hot-water heating system and its control are coupled with air source heat pump Method processed.
Background technology
Currently, the energy-saving control method that air source hot pump water heater is combined with solar water heater is preferentially to use solar energy Heating, when user is using hot water such as water temperature does not reach requirement, then opens Teat pump boiler and heated.Opening air energy thermal When pump, the manually opened mode of generally use, due to manually controlling the unlatching of air energy heat pump, the time mistake that there is out It is long, the problem of causing solar energy cannot be made full use of to be heated, in turn result in the waste of the energy.
Invention content
It is an object of the invention to provide a kind of solar energy, and hot-water heating system and its control method are coupled with air source heat pump, improves The utilization rate of solar energy, has saved the energy.
In order to solve the problems existing in the prior art, a kind of solar energy of present invention offer couples hot-water heating system with air source heat pump Control method, this method includes:
S1, in the previous day using hot water, according to the historical data of solar illumination and hot water usage amount, prediction solar energy obtains Heat, solar energy heating duration and the first Limit temperature value, and heat, pre- calorimetric are obtained according to the total heat consumption of system and solar energy Pump the opening time;First limiting temperature is the limiting temperature of the solar energy heating of prediction;
S2, using the same day of hot water, when the time of solar energy heating reaching preset duration, according to the water of current water tank The relationship of temperature and the first limit water temperature adjusts the heat pump opening time;
S3 opens air source heat pump and is heated to water tank, and in water tank according to the heat pump opening time after adjustment When water temperature reaches the temperature of user demand, control heat pump stops heating.
The technical program predicts the heat pump opening time in the previous day using hot water.And in working as using hot water It adjusts the heat pump opening time according to the relationship of the water temperature of current water tank and preset first limit water temperature.Wherein, the first pole Temperature of restricting water supply is heating temperature of the preset solar energy to water, passes through the actual temperature that will work as the sky and water and preset solar energy heating temperature Degree is compared, and the heating situation of solar energy can be understood, to take full advantage of solar energy.And according to the heating feelings of solar energy Condition is adjusted the startup time of heat pump, further meets the demand that user uses hot water.
Preferably, the step s1 includes:
S11 predicts hot water usage amount according to the historical data of the hot water usage amount of storage;
S12 determines total heat consumption according to the hot water usage amount of the prediction;
S13 predicts that the solar energy on the same day obtains heat according to the historical data of the solar illumination of storage and hot water usage amount;
S14 obtains heat according to total heat consumption and solar energy, determines the heating capacity of air source heat pump, and according to air-source The heating capacity of heat pump determines the opening time of air source heat pump.
The technical program, using the hot water usage amount on the hot water same day, eliminates user's manual setting according to historical data prediction Process, it is convenient for users to use.In addition, predicting that solar energy obtains heat according to the historical data of solar illumination, improve Solar energy obtains the accuracy that heat is estimated.
Preferably, predicted in the step S11 calculation formula that uses of hot water usage amount for:
L=b1LMXX+b2LVER
L is to predict hot water usage amount, L on the same dayMXXFor of that month day hot water usage amount maximum value, LVERFor of that month per day hot water Usage amount, b1、b2For constant.
According to the hot water of of that month day maximum usage amount and of that month per day hot water practicality amount, and prediction in the technical program Usage amount improves the accuracy that hot water usage amount is estimated to integrate determining hot water usage amount.
Preferably, determine that the sun obtains heat using following algorithm in the step S13:
Q2Heat is obtained for the same day solar energy of prediction;QMXXOf that month day solar energy illumination cumulant maximum value;QVEROf that month day Solar energy illumination cumulant average value.Improve the accuracy of solar energy illumination prediction.
Preferably, further include the steps that obtaining heat to the sun of prediction to be modified in the step S13, correction algorithm For:
In formula, T is real-time time;QSHeat is obtained for solar energy is instantaneous;QIt is expected thatInstantaneous for remaining time on same day collecting plate Heat;
QS=a1H+a2(tad-tb)+a3
In formula, QSHeat, unit MJ are obtained for solar energy;H is the solar irradiation on heat collector surface, unit MJ/ m2;Tad is per day environment temperature;Tb is water tank initial temperature;a1、a2、a3For constant;
QIt is expected that=K1*K2*QVER1
In formula, K1For time of day t when accumulated illumination and the cumulative illuminancc as monthly average t ratio;K2Join for weather forecast Number correction value;QVER1Sun average illumination value was shone for this month.
The technical program revises solar energy illumination according to the weather forecast situation on the same day, further improves the sun The precision of energy illumination prediction.
Preferably, the step S12 further includes:
The coefficient of total heat consumption is obtained, the coefficient of the total heat consumption is the total heat consumption of prediction and preset total heat consumption The ratio of standard value;
According to the mapping table of preset total heat consumption coefficient and gear, total consumption corresponding with total heat consumption coefficient is determined Heat gear.
Preferably, the step S13 further includes:
Obtain solar energy and obtain heat gain coefficient, the solar energy obtain heat gain coefficient be the solar energy being calculated obtain heat with it is pre- If solar energy obtain the ratio of heat standard value;
The mapping table of heat gain coefficient and gear is obtained according to preset solar energy, is determined and is obtained heat gain coefficient pair with solar energy The solar energy answered obtains heat gear.
Preferably, the step S14 includes:
Heat gear and total heat consumption gear are obtained according to determining solar energy and preset gear is opened with air source heat pump The correspondence for opening duration determines air source heat pump opening time;It is opened using the time and air source heat pump of hot water according to user Duration is opened, determines the opening time of air source heat pump.
The technical program set be respectively arranged with total heat consumption gear determine table, solar energy obtain heat gear determine table and The mapping table of air source heat pump opening time and gear.Therefore, can be arranged according to the difference in each concrete application field Different standard values has expanded this technology side to make technical scheme of the present invention can be applied in different heating systems The practical ranges of case.
Preferably, the step S2 includes:
S21 acquires the temperature of solar heat-collection plate;
The temperature of solar heat-collection plate is compared, if the temperature of solar heat-collection plate is big by S22 with the water temperature in water tank In the water temperature of water tank, then the valve for controlling water tank is opened, and is heated by solar heat-collection plate;
S23, when reaching preset solar energy heating duration, by water temperature and preset first limit water temperature in water tank into Row compares, if the water temperature of water tank is less than the first limit water temperature, the heat pump opening time of prediction is shifted to an earlier date, if the water temperature of water tank is big In the first limit water temperature, then the heat pump opening time of prediction is delayed.
The technical program is by the way that the water temperature in water tank to be compared with preset first limit water temperature, to adjust heat pump Opening time.The opening time that heat pump is adjusted according to the illumination of same day solar energy is ensureing solar energy profit to realize Under the premise of rate, the demand that user uses hot water is met.
The present invention also provides a kind of solar energy to couple hot-water heating system with air source heat pump accordingly, which includes solar energy Collecting plate, heat collection water tank, collection hot water circulating pump, air source heat pump, heat pump cycle water pump, heat supply water tank and heat supply water-circulating pump; The solar heat-collection plate is connect with heat collection water tank, and the heat collection water tank is connect with collection heat-exchanger pump, the collection heat-exchanger pump and the sun It can collecting plate connection;The air source heat pump is connect with heat pump cycle water pump, and heat pump cycle water pump is connect with heat supply water tank, heat supply Water tank input terminal is connect with heat collection water tank, and heat supply water tank output end is connect with user manifold, in addition, the solar energy and air-source Pump coupled heat hot-water heating system heats water using the control method described in claim 1-9.
Air-source is arranged based on the prediction to solar energy illumination in the previous day using hot water in technical scheme of the present invention The opening time of heat pump, and the also prediction of being corrected property after tentative prediction, improve the precision of prediction.In addition, making The opening time of heat pump was further adjusted, to further based on the practical heating state to water of solar energy with the same day of hot water The prediction deviation that solar energy obtains heat is corrected, the utilization rate of solar energy is further ensured.In addition, when by being opened to heat pump Between adjustment, not only further improve the utilization rate of solar energy, but also meet the water demand of user.
Description of the drawings
Fig. 1 is a kind of schematic diagram for embodiment that a kind of solar energy of the present invention couples hot-water heating system with air source heat pump;
Fig. 2 is a kind of stream of present invention solar energy and a kind of embodiment of air source heat pump Coupling Thermal water system control method Journey schematic diagram.
Specific implementation mode
With reference to amplitude, the present invention is described in detail.
With reference to figure 1, which is a kind of embodiment that a kind of solar energy of the present invention couples hot-water heating system with air source heat pump Schematic diagram, the system include:Solar heat-collection plate 1, heat collection water tank 2, collection heat-exchanger pump 3, air source heat pump 4, heat pump cycle water pump 5, heat supply water tank 6 and heat supply water-circulating pump 7 and controller;Solar heat-collection plate 1 is connect with heat collection water tank 2, heat collection water tank 2 It is connect with collection heat-exchanger pump 3, collection heat-exchanger pump 3 is connect with solar heat-collection plate 1, so as to form solar energy heating circulation loop.It is empty Air supply heat pump 4 is connect with heat pump cycle water pump 5, and heat pump cycle water pump 5 is connect with heat supply water tank 6,6 input terminal of heat supply water tank and collection Boiler 2 connects, and 6 output end of heat supply water tank is connect with user manifold.Wherein, air source heat pump, heat pump cycle water pump and confession Boiler forms heat pump circulation route, is supplied water for user by user manifold.
Equipment in above system is controlled by controller.Control to controller to entire hot-water heating system below Journey illustrates.With reference to figure 2, which is the control method that a kind of solar energy of the present invention couples hot-water heating system with air source heat pump A kind of flow diagram of embodiment, the flow include:
Step S1, in the previous day using hot water, according to the historical data of solar illumination and hot water usage amount, pre- shoot the sun Heat, solar energy heating duration and the first Limit temperature value can be obtained, and heat is obtained according to the total heat consumption of system and solar energy, in advance Calorimetric pumps the opening time;
Step S2, using the same day of hot water, when the time of solar energy heating reaching preset duration, according to current water tank Water temperature and the first limit water temperature relationship, adjust the heat pump opening time;
Step S3 opens air source heat pump and is heated to water tank, and in water tank according to the heat pump opening time after adjustment When interior water temperature reaches the temperature of user demand, control heat pump stops heating.
Wherein, step s1 includes:
S11 predicts hot water usage amount according to the historical data of the hot water usage amount of storage;When specific implementation, the meter of use Calculating formula is:
L=b1LMXX+b2LVER (2-2)
L is to predict hot water usage amount, L on the same dayMXXFor of that month day hot water usage amount maximum value, LVERFor of that month per day hot water Usage amount, b1, b2 are constant;
S12 determines total heat consumption according to the hot water usage amount of prediction;When specific implementation, the calculation formula that uses for:
Q11·V1·h1 (2-1)
In formula:Q1--- some time inscribes the energy value that heat supply water tank has, KJ;
ρ1--- some time inscribes the density of heat supply tank hot water, Kg/m3;
V1--- odd-numbered day hot water demand's volume, m3;
h1--- the enthalpy difference of hot water, Kj/Kg;
For system solar water heating system, system requirements energy is only determined with hot water usage amount and tap water supply temperature Fixed, therefore, forecasting system main task is that Accurate Prediction next day solar energy obtains heat and hot-water heating system in effectual time Total heat consumption, to derive that opening time, maximization improve solar insuring rate to heat pump system at the latest.
After predicting hot water usage amount, hot-water heating system heat consumption Q1 is calculated by formula (2-1).Forecasting system is according to working as Month day hot water usage amount maximum value and of that month per day hot water usage amount confirm the predicted value of second day hot water usage amount.Pre- calorimetric After water usage amount, by the water of Liquid level heating water tank, next day solar energy or air source heat pump are heated to user demand temperature Degree.In addition, system combination weather report parameters, mainly second day environment temperature are modified hot-water heating system amount, the amendment Value can should carry out manual setting to special circumstances, to ensure that hot-water heating system adapts to the stable operation of particular weather situation.
Hot-water heating system heat consumption gear blurring rule is as follows, and basic setting value is Qy (i.e. total heat consumption standard value):
Gear It is few It is less Normally It is more It is more
Coefficient 0.5~0.7 0.7~0.9 0.9~1.1 1.1~1.3 1.3~1.5
Table 1
Q1=Qy coefficients are 1 in table 1 (total heat consumption gear determines table), which is usually set to design day hot-water heating system consumption The 80% of heat, the value can be modified according to operation data odd-numbered day heat consumption maximum value over the years.To according to total heat consumption with The ratio of total heat consumption standard value is worth to the coefficient in subscript, and the gear of total heat consumption is then assured that by table 1.
S13 predicts that the solar energy on the same day obtains heat according to the historical data of the solar illumination of storage and hot water usage amount; When specific implementation, same day solar energy illumination cumulant designs the solar energy accumulated in effectual time for system, considers that solar energy can It is 8 using the time:00~18:00, the prediction of the value includes two stages.
Same day 8 first stage:00 system is predicted that predictor formula is as follows according to same period solar illumination cumulant over the years:
Q2--- predicted solar energy illumination for the same day;
QMXX--- of that month day solar energy illumination cumulant maximum value;
QVER--- of that month day solar energy illumination cumulant average value;
Being modified property of second stage forecasting system predicts that predicted value includes that actual acquisition value is expected in effective period of time Calorific value two parts can be obtained, predictor formula is as follows:
Solar energy predicts cumulant:
T --- real-time time;
QS--- solar energy is instantaneous to obtain heat;
QIt is expected that--- remaining time on same day collecting plate is hotly instantaneous.
It is instantaneous that calorimeter formula is as follows:
QS=a1H+a2(tad-tb)+a3 (2-5)
Q in formulaS--- solar energy obtains heat, MJ;
H --- the solar irradiation on heat collector surface, MJ/m2
Tad --- per day environment temperature;
Tb --- water tank initial temperature;
a1、a2、a3For constant.
QIt is expected thatSame period level is recorded according to system and same day weather forecast situation is predicted.System according to it is real-time accumulated too Positive energy illumination and calculation interval illumination amount usable, constantly carry out forecast value revision to solar energy illumination cumulant, finally obtain more The nearly actual air source heat pump of adjunction opens required time, QIt is expected thatCalculating formula is as follows:
QIt is expected that=K1*K2*QVER1 (2-6)
The ratio of accumulated illumination and the cumulative illuminancc as monthly average t when K1 is time of day t;
K2 is weather report parameters correction value;
QVER1Sun average illumination value was shone for this month.
Finally, by formula (2-4), (2-5), (2-6) calculates same day solar thermal collection system can obtain heat Q4.
S14 obtains heat according to total heat consumption and solar energy, determines the heating capacity of air source heat pump;
S15 determines the opening time of air source heat pump according to the heating capacity of air source heat pump.
When implementing step S14, S15, when air source heat pump heating capacity directly influences system requirements practical booting Between, and air source heat pump heating capacity is mainly influenced by air environment wet-bulb temperature, dry-bulb temperature, hot water effluent's temperature etc..It is comprehensive Several factors of stating are closed, heating capacity correction chart is arranged in system, as follows:
Environment temperature It is excellent It is suitable Normally Badly
Coefficient 1.2 1.1 1 0.7
Correction factor only refers in table, and actual correction system confirms according to the correction chart that producer provides, environment temperature root Four class are divided into according to annual ambient temperature curve, are normally national standard measurement condition, the proportional assignment of other gears.
The prediction of air-cooled heat pump opening time is equally divided into two stages.First stage, the heat pump opening time is according to hot water system Heat consumption of uniting predicts that numerical value Q1 and solar energy illumination cumulant Q2 confirm, the operation of heat pump time is tentatively obtained after network analysis;The Two-stage, corrective prediction, forecasting system extrapolate air-cooled heat according to hot-water heating system heat consumption Q1 and solar illumination cumulant Q4 The pump theoretical opening time, the heat pump practical opening time is finally confirmed in conjunction with correction chart.As Fig. 2, data tentative prediction over the years are First stage is predicted;Real time data is predicted for second stage.
It should be noted that day hot water amount obtains according to history data comprehensive analysis, acquisition history same period hot water uses It measures and with period hot water daily consumption maximum amount and minimum flow, Fuzzy processing, solar energy illumination is carried out to data after comprehensive assessment Cumulant then obtains same day solar illumination strength relationship according to real-time weather and history contemporaneous data, finally exports operation of heat pump and opens Begin the time.The system is greatly improved to solar insuring rate by actual items verification, increases the use of clean energy resource Ratio.The system is surveyed by project, and solar insuring rate improves 30% or more.
In addition, hot-water heating system heat consumption is divided into five class, less, less, normal, more, more (as shown in table 1);It is right Hot water system heat consumption is adjustable parameter, and system can be analyzed according to operating parameter over the years, and the automatic parameter that carries out is set again, increases system The matching degree of system prediction and actual motion.Solar illumination is analyzed according to calculating divides five class, weak, weaker, normal, relatively strong, (solar energy obtains the correspondence of heat gear and coefficient, identical as 1 form of table, and solar energy obtains heat can also be according to reality by force Situation is determined, therefore, herein without being described in detail).Hot-water heating system heat consumption predetermined period is the same day 8:00~next day 8:00, solar energy illumination cumulant predicted time is 8:00~18:00.First stage, the system same day 8:According to fortune over the years when 00 Row data tentative prediction goes out hot-water heating system heat consumption Q1 and solar energy illumination cumulant Q2, to when tentative prediction, which goes out heat pump, opens Between;Second stage, system is according to solar illumination cumulant Q4, hot-water heating system heat consumption Q1 and heat pump itself system before heat pump is opened The prediction of being modified property is opened to heat pump after thermal energy power amendment, prediction result priority is corrected and is more than tentative prediction result;Prediction As a result it is indicated with 0~8 section.Hence, it can be determined that solar energy obtains heat gear.
As shown in table 2 (mapping table of heat pump opening time and gear):System is according to hot-water heating system heat consumption (total consumption Heat gear) and solar energy illumination cumulant (solar energy obtains heat gear) the prediction air source heat pump opening time.
Table 2
0-8 sections correspond to air source heat pump and open accumulated time respectively in table 2.0 indicates the air source heat pump opening time most Few, 8 indicate that the air source heat pump opening time is most.Each section corresponding time is true according to project air source heat pump configuring condition Recognize, air source heat pump opening time at the latest is confirmed using time backward inference method method.For example, when the heat gear of solar energy is weak, total consumption It it is 8 hours by the opening time of heat pump known to table 2, in this way, cadre school is in no solar energy heating feelings when heat gear is more Under condition, under design conditions air source heat pump need open eight hours then the air source heat pump opening time be 18-8=10 hours, i.e., Air source heat pump 10 points of unlatchings at the latest.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (10)

1. a kind of solar energy couples the control method of hot-water heating system with air source heat pump, which is characterized in that include the following steps:
S1, in the previous day using hot water, according to the historical data of solar illumination and hot water usage amount, prediction solar energy obtains hot Amount, solar energy heating duration and the first Limit temperature value, and heat is obtained according to the total heat consumption of system and solar energy, predict heat pump Opening time;First limiting temperature is the limiting temperature of the solar energy heating of prediction;
S2, using the same day of hot water, when the time of solar energy heating reaching preset duration, according to the water temperature of current water tank with The relationship of first limit water temperature adjusts the heat pump opening time;
S3 opens air source heat pump and is heated to water tank, and the water temperature in water tank according to the heat pump opening time after adjustment When reaching the temperature of user demand, control heat pump stops heating.
2. solar energy according to claim 1 couples the control method of hot-water heating system with air source heat pump, which is characterized in that The step s1 includes:
S11 predicts hot water usage amount according to the historical data of the hot water usage amount of storage;
S12 determines total heat consumption according to the hot water usage amount of the prediction;
S13 predicts that the solar energy on the same day obtains heat according to the historical data of the solar illumination of storage and hot water usage amount;
S14 obtains heat according to total heat consumption and solar energy, determines the heating capacity of air source heat pump, and according to air source heat pump Heating capacity, determine the opening time of air source heat pump.
3. solar energy according to claim 2 couples the control method of hot-water heating system with air source heat pump, which is characterized in that Predicted in the step S11 calculation formula that uses of hot water usage amount for:
L=b1LMXX+b2LVER
L is to predict hot water usage amount, L on the same dayMXXFor of that month day hot water usage amount maximum value,
LVERFor of that month per day hot water usage amount, b1、b2For constant.
4. solar energy according to claim 2 couples the control method of hot-water heating system with air source heat pump, which is characterized in that Heat is obtained using following algorithm prediction solar energy in the step S13:
Q2Heat is obtained for the same day solar energy of prediction;QMXXOf that month day solar energy illumination cumulant maximum value;QVEROf that month day solar energy Illumination cumulant average value.
5. solar energy according to claim 4 couples the control method of hot-water heating system with air source heat pump, which is characterized in that Further include the steps that obtaining heat to the sun of prediction to be modified in the step S13, correction algorithm is:
In formula, T is real-time time;QSHeat is obtained for solar energy is instantaneous;QIt is expected thatIt is hotly instantaneous for remaining time on same day collecting plate;
QS=a1H+a2(tad-tb)+a3
In formula, QSHeat, unit MJ are obtained for solar energy;H is the solar irradiation on heat collector surface, unit MJ/m2;tad For per day environment temperature;Tb is water tank initial temperature;a1、a2、a3For constant;
QIt is expected that=K1*K2*QVER1
In formula, K1For time of day t when accumulated illumination and the cumulative illuminancc as monthly average t ratio;
K2For weather report parameters correction value;QVER1Sun average illumination value was shone for this month.
6. solar energy according to claim 2 couples the control method of hot-water heating system with air source heat pump, which is characterized in that The step S12 further includes:
The coefficient of total heat consumption is obtained, the coefficient of the total heat consumption is the total heat consumption of prediction and preset total heat consumption standard The ratio of value;
According to the mapping table of preset total heat consumption coefficient and gear, total heat consumption corresponding with total heat consumption coefficient is determined Gear.
7. solar energy according to claim 6 couples the control method of hot-water heating system with air source heat pump, which is characterized in that The step S13 further includes:
Obtain solar energy and obtain heat gain coefficient, the solar energy obtain heat gain coefficient be the solar energy being calculated obtain heat with it is preset Solar energy obtains the ratio of heat standard value;
It obtains the mapping table of heat gain coefficient and gear according to preset solar energy, determines that obtain heat gain coefficient with solar energy corresponding Solar energy obtains heat gear.
8. solar energy according to claim 7 couples the control method of hot-water heating system with air source heat pump, which is characterized in that The step S14 includes:
When obtaining heat gear and total heat consumption gear and preset gear with air source heat pump unlatching according to determining solar energy Long correspondence determines air source heat pump opening time;
According to user, the time using hot water and air source heat pump opening time, determine the opening time of air source heat pump.
9. solar energy according to claim 1 couples the control method of hot-water heating system with air source heat pump, which is characterized in that The step S2 includes:
S21 acquires the temperature of solar heat-collection plate;
The temperature of solar heat-collection plate is compared by S22 with the water temperature in water tank, if the temperature of solar heat-collection plate is more than water The water temperature of case, the then valve for controlling water tank are opened, are heated by solar heat-collection plate;
S23 compares the water temperature in water tank with preset first limit water temperature when reaching preset solar energy heating duration Compared with if the water temperature of water tank is less than the first limit water temperature, the heat pump opening time of prediction being shifted to an earlier date, if the water temperature of water tank is more than the One limit water temperature then delays the heat pump opening time of prediction.
10. a kind of solar energy couples hot-water heating system with air source heat pump, including solar heat-collection plate, heat collection water tank, collection hot water follow Ring pump, air source heat pump, heat pump cycle water pump, heat supply water tank and heat supply water-circulating pump;The solar heat-collection plate and collection hot water Case connects, and the heat collection water tank is connect with collection heat-exchanger pump, and the collection heat-exchanger pump is connect with solar heat-collection plate;The air-source heat Pump is connect with heat pump cycle water pump, and heat pump cycle water pump is connect with heat supply water tank, and heat supply water tank input terminal is connect with heat collection water tank, Heat supply water tank output end is connect with user manifold, which is characterized in that the solar energy couples hot-water heating system with air source heat pump and adopts It is heated with the control method described in claim 1-9.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307361A (en) * 2018-10-10 2019-02-05 宁波市建筑设计研究院有限公司 The energy-saving control method of air source heat pump
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CN111678263A (en) * 2020-06-19 2020-09-18 南京启景环境科技有限公司 Solar energy and air energy coupling system controlled by using illumination
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CN113983544A (en) * 2021-10-25 2022-01-28 珠海格力电器股份有限公司 Operation control method and system and solar heat pump hot water system

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