CN115560408A - Absorption refrigeration solar air conditioner and control method and system thereof - Google Patents
Absorption refrigeration solar air conditioner and control method and system thereof Download PDFInfo
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- CN115560408A CN115560408A CN202211380848.2A CN202211380848A CN115560408A CN 115560408 A CN115560408 A CN 115560408A CN 202211380848 A CN202211380848 A CN 202211380848A CN 115560408 A CN115560408 A CN 115560408A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/20—Working fluids specially adapted for solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B33/00—Boilers; Analysers; Rectifiers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
The invention provides an absorption refrigeration solar air conditioner and a control method and a system thereof, wherein the absorption refrigeration solar air conditioner comprises the following steps: acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by the heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature; collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result; controlling a solar heat collector to heat the heat medium water according to the calculation result, judging that the heating requirement of the heat medium water can be met only through the solar heat collector, and generating a judgment result; and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source through the control instruction. The solar air conditioner overcomes the defect that the conventional air conditioner has strong dependence on the conventional energy, realizes temperature regulation and control through the solar auxiliary air conditioner, and reduces the dependence on the conventional energy.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an absorption refrigeration solar air conditioner and a control method and system thereof.
Background
With the development of society, the living standard of people is continuously improved, and the population using the air conditioner is gradually increased. However, there are some disadvantages in the process of people's enjoyment: the air conditioner consumes a large amount of energy, the energy utilization efficiency is low, and the produced Freon can destroy the ozone layer during use, accelerate global warming, and further harm the life of people and the like. The problem of energy consumption gradually becomes a more and more focused hot spot of people, and the development of a low-energy-consumption air conditioner form is an important measure for promoting energy conservation and emission reduction. At present, new energy mainly based on solar energy becomes a new direction for future development. In addition, due to various factors, various power failures and other phenomena are easy to occur, so that people worry about how people should deal with the power failures in the future when collective power failures occur. The solar air conditioner utilizes renewable energy source solar energy, has the characteristic of environmental friendliness and has potential application potential. However, the existing air conditioner depends on the consumption of the traditional energy source, and the solar energy is not well utilized for auxiliary work.
Disclosure of Invention
The invention provides an absorption refrigeration solar air conditioner and a control method and a control system thereof, which are used for solving the defect that the conventional air conditioner has strong dependence on the conventional energy, and realizing temperature regulation and control by using the solar air conditioner and reducing the dependence on the conventional energy.
The invention provides an absorption refrigeration solar air conditioner, comprising:
the solar energy heat collector, the water storage tank, the auxiliary heat source, the generator and the central processing unit;
the solar heat collector is connected with the water storage tank, and the heat medium water in the water storage tank is heated through the solar heat collector;
the auxiliary heat source is connected with the water storage tank, and the auxiliary heat source heats the hot medium water in the water storage tank after being electrified;
the water storage tank is connected with the generator, heat is provided for the generator through the heat medium water in the water storage tank, and the generator separates refrigerant steam for refrigeration;
and the central processor controls the working states of the solar heat collector and the auxiliary heat source according to the temperature change in the water storage tank.
According to the absorption refrigeration solar air conditioner provided by the invention, the solar heat collector is arranged at the place with sufficient sunlight outdoors, the solar heat collector converts solar energy into heat energy and transmits the heat energy to the water storage tank, the water storage tank contains heat medium water, and the heat medium water is heated through the heat energy converted by the solar energy.
According to the absorption refrigeration solar air conditioner provided by the invention, the water storage tank is internally provided with the temperature sensor, the temperature of the heating medium water is collected through the temperature sensor, and the collected temperature data is sent to the central processing unit.
According to the absorption refrigeration solar air conditioner, the auxiliary heat source is connected with the power supply equipment, and the auxiliary heat source heats the hot water medium after being electrified.
According to the solar air conditioner for absorption refrigeration provided by the invention, the water storage tank is connected with the generator through the pipeline, the heated hot water is conveyed to the generator through the pipeline, and the generator performs refrigerant steam separation through the heat provided by the hot water.
According to the absorption refrigeration solar air conditioner provided by the invention, the generator is arranged in the air conditioner, the air conditioner is also internally provided with an evaporator, an absorber, a condenser and a throttle valve, the evaporator heats and evaporates liquid refrigerant into refrigerant steam, the absorber is connected with the evaporator, the refrigerant steam is absorbed by an absorbent in the absorber, the absorber is connected with the generator, the absorbent is sent to the generator by a solution pump, the refrigerant steam is separated by the generator, the generator is connected with the condenser, the refrigerant steam is condensed into the liquid refrigerant in the condenser, the condenser is connected with the throttle valve, and the liquid refrigerant can enter the evaporator through the throttle valve to complete circulation.
The invention also provides a control method of the absorption refrigeration solar air conditioner, which comprises the following steps:
acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by the heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
controlling a solar heat collector to heat the heat medium water according to the calculation result, judging that the heating requirement of the heat medium water can be met only through the solar heat collector, and generating a judgment result;
and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source through the control instruction.
According to the control method of the absorption refrigeration solar air conditioner, the solar heat collector is controlled to heat the hot water according to the calculation result, the temperature rise requirement of the hot water can be met only through the solar heat collector, and the judgment result is generated, and the method specifically comprises the following steps:
under the condition that the heat provided by the solar heat collector can meet the heating requirement of the heat medium water, the judgment result is that the heat medium water is heated only through the solar heat collector;
under the condition that the heat provided by the solar heat collector cannot meet the heating requirement of the heat medium water, the judgment result is that the auxiliary heat source is needed to perform auxiliary heating on the heat medium water.
According to the control method of the absorption refrigeration solar air conditioner provided by the invention, the control instruction is generated according to the judgment result, and the working state of the auxiliary heat source is controlled through the control instruction, and the method specifically comprises the following steps:
generating a control instruction under the condition that the auxiliary heat source is needed to perform auxiliary heating on the heat medium water according to the judgment result;
and the control instruction controls the auxiliary heat source to be electrified, and the heat medium water is heated after the auxiliary heat source is electrified until the temperature of the heat medium water reaches an ideal temperature value.
The invention also provides a control system of the absorption refrigeration solar air conditioner, which comprises:
the data acquisition module is used for acquiring the indoor environment temperature and the set temperature of the air conditioner and calculating an ideal temperature value required by the heating medium water according to the difference value between the indoor environment temperature and the set temperature of the air conditioner;
the difference value calculation module is used for acquiring the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value and generating a calculation result;
the judging module is used for controlling the solar heat collector to heat the hot medium water according to the calculation result, judging that the heating requirement of the hot medium water can be met only through the solar heat collector, and generating a judgment result;
and the control module is used for generating a control instruction according to the judgment result and controlling the working state of the auxiliary heat source through the control instruction.
According to the absorption refrigeration solar air conditioner and the control method and system thereof, the solar heat collector converts solar energy into heat energy to relieve heat of the heat medium water in the water storage tank, the working mode of the auxiliary heat source is controlled according to the heat generated by the solar heat collector, the heat medium water is guaranteed to reach the required temperature, the dependence of the air conditioner on the traditional energy is reduced, the temperature is regulated and controlled through the solar auxiliary air conditioner, and the power consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an absorption refrigeration solar air conditioner provided by the invention;
fig. 2 is a schematic flow chart of a control method of an absorption refrigeration solar air conditioner according to the present invention;
fig. 3 is a second schematic flowchart of a control method of an absorption refrigeration solar air conditioner according to the present invention;
fig. 4 is a third schematic flowchart of a control method of an absorption refrigeration solar air conditioner according to the present invention;
FIG. 5 is a schematic diagram of the connection of the modules of the control system of the absorption refrigeration solar air conditioner provided by the invention;
fig. 6 is a schematic structural diagram of an electronic device provided in the present invention.
Reference numerals are as follows:
1: a solar heat collector; 2: a water storage tank; 3: an auxiliary heat source; 4: a generator; 5: an evaporator; 6: an absorber; 7: a solution pump; 8: a counter-flow heat exchanger; 9: a condenser; 10: a throttle valve;
110: a data acquisition module; 120: a difference value calculation module; 130: a judgment module; 140: a control module;
610: a processor; 620: a communication interface; 630: a memory; 640: a communication bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An absorption refrigeration solar air conditioner of the present invention is described below with reference to fig. 1, and includes:
the solar energy heat collector comprises a solar heat collector 1, a water storage tank 2, an auxiliary heat source 3, a generator 4 and a central processing unit;
the solar heat collector 1 is connected with the water storage tank 2, and the heat medium water in the water storage tank 2 is heated through the solar heat collector 1;
the auxiliary heat source 3 is connected with the water storage tank 2, and the auxiliary heat source 3 heats the hot water in the water storage tank 2 after being electrified;
the water storage tank 2 is connected with the generator 4, heat is provided for the generator 4 through the heat medium water in the water storage tank 2, and refrigerant steam is separated out for refrigeration through the generator 4;
and the central processor controls the working states of the solar heat collector 1 and the auxiliary heat source 3 according to the temperature change in the water storage tank 2.
The existing air conditioner works by electric power support, completely depends on traditional energy, and cannot perform auxiliary work by solar energy or completely support independent work by solar energy. According to the invention, the solar heat collector 1 is used for heating the heat medium water in the water storage tank 2, and the auxiliary heat source 3 is configured to ensure the temperature requirement of the heat medium water, so that the temperature regulation and control by utilizing the solar auxiliary air conditioner are realized, and the dependence and consumption on the traditional energy are reduced.
Solar collector 1 sets up in the sufficient department of outdoor sunshine, converts solar energy into heat energy and transmits to water storage box 2 heat medium water has been held in the water storage box 2, heats heat medium water through the heat energy of solar energy conversion. In order to make the solar collector 1 receive more sunlight, the solar collector 1 is generally installed on a roof or a balcony or the like with sufficient sunlight, so that the solar collector 1 can receive the sunlight to the maximum extent and provide more heat support. According to the solar water heater, the solar heat collector 1 can be directly filled with the heat medium water, the heat medium water is heated through solar irradiation, and then the heat medium water is conveyed into the water storage tank 2 through a pipeline, so that the heating of the heat medium water is realized; or the electric energy is generated through solar energy, and the electric energy is used for supplying power to the heating equipment, so that the heating equipment is utilized to raise the temperature of the heating medium water.
A temperature sensor is installed in the water storage tank 2, the temperature of the heating medium water is collected through the temperature sensor, and collected temperature data are sent to the central processing unit. The temperature of the hot medium water in the water storage tank 2 is collected in real time by installing the temperature sensor, so that whether the heat actually provided by the solar heat collector 1 meets the actual requirement or not is judged, and whether the auxiliary heat source 3 needs to work or not is determined. When the heat provided by the solar heat collector 1 can meet the heating requirement of the heating medium water, the solar heat collector 1 can completely work to supply heat; when the heat provided by the solar heat collector 1 cannot meet the heating requirement of the heat medium water, the heat gap is supplemented by the auxiliary heat source 3, so that the heat medium water reaches the required temperature as soon as possible.
The auxiliary heat source 3 is connected with a power supply device, and heats the heat medium water after the auxiliary heat source 3 is electrified. In the present invention, the auxiliary heat source 3 may be a plurality of heating devices suitable for heating medium water, such as an electric bar and a heater strip. The auxiliary heat source 3 is directly installed in the water storage tank 2, when the heat provided by the solar heat collector 1 cannot meet the heating requirement of the heat medium water, the auxiliary heat source 3 is controlled to be electrified to heat the heat medium water until the temperature of the heat medium water is increased to the required temperature value.
The water storage tank 2 is connected with the generator 4 through a pipeline, heated heat medium water is conveyed to the generator 4 through the pipeline, and the generator 4 performs refrigerant steam separation through heat provided by the heat medium water.
In the actual working process, the generator 4 is arranged in an air conditioner, the air conditioner is also internally provided with an evaporator 5, an absorber 6, a condenser 9 and a throttle valve 10, the evaporator 5 heats and evaporates liquid refrigerant into refrigerant vapor, the absorber 6 is connected with the evaporator 5, the refrigerant vapor is absorbed by an absorbent in the absorber 6, the absorber 6 is connected with the generator 4, the absorbent is sent to the generator 4 through a solution pump 7, and the refrigerant vapor is separated by the generator 4. A counter-flow heat exchanger 8 is also arranged between the absorber 6 and the generator 4, so that the reasonable utilization of heat is realized. The generator 4 is connected with a condenser 9, refrigerant vapor is condensed into liquid refrigerant in the condenser 9, the condenser 9 is connected with a throttle valve 10, and the liquid refrigerant can enter the evaporator 5 through the throttle valve 10 to complete the cycle. By the above-described circulation step, the indoor temperature can be reduced. The generator 4 is supported by external heat supply, so that the consumption of the air conditioner to electric quantity can be reduced, and the dependence on traditional energy sources is reduced.
According to the absorption refrigeration solar air conditioner, solar energy is converted into heat energy through the solar heat collector 1, heat medium water in the heat-clearing water storage tank 2 is converted, the working mode of the auxiliary heat source 3 is controlled according to the heat generated by the solar heat collector 1, the heat medium water is guaranteed to reach the required temperature, the dependence of the air conditioner on traditional energy is reduced, the temperature is regulated and controlled through the solar energy auxiliary air conditioner, and the power consumption is reduced.
Referring to fig. 2 to 4, the present invention also discloses a control method of an absorption refrigeration solar air conditioner, including:
s100, acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
s200, collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
s300, controlling a solar heat collector to heat the hot water according to the calculation result, judging that the temperature rise requirement of the hot water can be met only through the solar heat collector, and generating a judgment result;
and S400, generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source through the control instruction.
After the air conditioner starts to work, the working mode of the air conditioner is determined, and the power required to work is determined according to the indoor environment temperature and the set temperature of the air conditioner. When the difference between the indoor environment temperature and the set temperature of the air conditioner is large, it can be judged that the generator 4 needs high temperature to accelerate separation of the refrigerant vapor; when the difference between the indoor ambient temperature and the set temperature of the air conditioner is small, it can be determined that the generator 4 needs a low temperature to separate the refrigerant vapor. After the temperature that 4 demands of generator were confirmed, the ideal temperature value that heat medium water needs can be confirmed, only when heat medium water is in the ideal temperature value, generator 4 can the quickly separating refrigerant steam, supplementary high-efficient indoor ambient temperature of adjusting to satisfy user's body demand.
According to the invention, the indoor environment temperature and the set temperature of the air conditioner are compared, the temperature difference is determined according to the deviation and the accumulated deviation based on the proportional-integral rule, the difference between the indoor environment temperature and the set temperature of the air conditioner is reduced, and the temperature value required by the heat medium water is determined.
Gather the temperature of current heat medium water, calculate the difference between current heat medium water temperature and the ideal temperature value, generate the calculated result, specifically include:
acquiring the temperature of the heat medium water in real time through a temperature sensor, comparing the actual temperature of the current heat medium water with an ideal temperature value for difference, and generating a temperature difference value;
and determining the space needing to be heated according to the temperature difference.
According to the calculated result, control solar collector 1 and heat the hot media water, judge and only can satisfy hot media water intensification demand through solar collector 1, generate the judged result, specifically include:
s301, under the condition that the heat provided by the solar heat collector 1 can meet the heating requirement of the heat medium water, judging that the heat medium water is heated only through the solar heat collector 1;
and S302, under the condition that the heat provided by the solar heat collector 1 cannot meet the heating requirement of the heat medium water, judging that the auxiliary heat source 3 is required to perform auxiliary heating on the heat medium water.
In the invention, the heat medium water is heated by the heat provided by the solar heat collector 1, whether the heat provided by the solar heat collector 1 can meet the heating requirement of the heat medium water is judged, the heat can be met, the solar heat collector 1 can work completely by the heat provided by the solar heat collector 1, if the heat can not meet the requirement, the auxiliary heat source 3 is required to provide additional heat support, so that the heat medium water is ensured to be at an ideal temperature value, the temperature adjustment of an air conditioner is assisted, and the consumption of electric quantity is reduced.
In a specific example, the ideal temperature of the heat medium water is 40 ℃, the actual temperature of the heat medium water is 20 ℃, the heat provided by the solar heat collector 1 can only heat the heat medium water to 30 ℃, which indicates that the heat provided by the solar heat collector 1 cannot meet the temperature rise requirement of the heat medium water, and the auxiliary heat source 3 provides additional heat to heat the heat medium water until the temperature of the heat medium water reaches 40 ℃. The temperature of the heat medium water is collected in real time through a temperature sensor, and when the temperature of the heat medium water reaches an ideal temperature value, the auxiliary heat source 3 is not heated any more, and heat preservation is carried out; when the temperature of the heating medium water is reduced by 0.3 ℃ and is lower than the ideal temperature value, the auxiliary heat source 3 heats again until the ideal temperature value is reached.
Generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source 3 through the control instruction, specifically comprising:
s401, generating a control command under the condition that the auxiliary heat source 3 is required to perform auxiliary heating on the heat medium water according to the judgment result;
and S402, controlling the auxiliary heat source 3 to be electrified by the control instruction, and heating the hot water after the auxiliary heat source 3 is electrified until the temperature of the hot water reaches an ideal temperature value.
After the auxiliary heat source 3 is electrified, the heating medium water is heated, the temperature sensor collects the temperature of the heating medium water in real time, when the temperature of the heating medium water reaches an ideal temperature value, the auxiliary heat source 3 stops working, only the solar heat collector 1 is reserved for working, and when the temperature of the heating medium water is lower than the ideal temperature value again, the auxiliary heat source 3 is started again for working to perform auxiliary heating.
According to the control method of the absorption refrigeration solar air conditioner, the solar heat collector 1 is used for converting solar energy into heat energy to relieve heat of the heat medium water in the water storage tank 2, the working mode of the auxiliary heat source 3 is controlled according to the heat generated by the solar heat collector 1, the heat medium water is guaranteed to reach the required temperature, the dependence of the air conditioner on traditional energy is reduced, the temperature is regulated and controlled through the solar auxiliary air conditioner, and the power consumption is reduced.
Referring to fig. 5, the present invention also discloses a control system of an absorption refrigeration solar air conditioner, the system comprising:
the data acquisition module 110 is configured to acquire an indoor environment temperature and an air conditioner set temperature, and calculate an ideal temperature value required by the heating medium water according to a difference between the indoor environment temperature and the air conditioner set temperature;
a difference calculation module 120, configured to collect a current temperature of the heat medium water, calculate a difference between the current temperature of the heat medium water and an ideal temperature value, and generate a calculation result;
the judging module 130 is configured to control the solar thermal collector 1 to heat the hot medium water according to the calculation result, judge that the heating requirement of the hot medium water can be met only by the solar thermal collector 1, and generate a judgment result;
and the control module 140 is configured to generate a control instruction according to the determination result, and control the working state of the auxiliary heat source 3 through the control instruction.
The data obtaining module 110 determines a working mode of the air conditioner, and determines what power the air conditioner needs to work according to the indoor ambient temperature and the set temperature of the air conditioner. When the difference between the indoor environment temperature and the set temperature of the air conditioner is large, it can be judged that the generator 4 needs high temperature to accelerate separation of the refrigerant vapor; when the difference between the indoor ambient temperature and the set temperature of the air conditioner is small, it can be determined that the generator 4 needs a low temperature to separate the refrigerant vapor. After the temperature that 4 demands of generator were confirmed, the ideal temperature value that heat medium water needs can be confirmed, only when heat medium water is in the ideal temperature value, generator 4 can the quickly separating refrigerant steam, supplementary high-efficient indoor ambient temperature of adjusting to satisfy user's body demand.
The difference value calculating module 120 is used for acquiring the temperature of the heat medium water in real time through the temperature sensor, comparing the actual temperature of the current heat medium water with an ideal temperature value and making a difference to generate a temperature difference value;
and determining the space needing to be heated according to the temperature difference.
The judging module 130 is used for judging that the heat provided by the solar heat collector 1 can meet the heating requirement of the heat medium water, and the judging result is that the heat medium water is heated only by the solar heat collector 1;
when the heat supplied from the solar heat collector 1 cannot satisfy the heating demand of the heat medium water, the auxiliary heat source 3 is required to perform auxiliary heating of the heat medium water as a result of the determination.
The control module 140 generates a control command when the determination result indicates that the auxiliary heat source 3 needs to perform auxiliary heating of the heat medium water;
and the control instruction controls the auxiliary heat source 3 to be electrified, and the heat medium water is heated after the auxiliary heat source 3 is electrified until the temperature of the heat medium water reaches an ideal temperature value.
According to the control system of the absorption refrigeration solar air conditioner, solar energy is converted into heat energy through the solar heat collector 1, heat medium water in the heat-clearing water storage tank 2 is converted, the working mode of the auxiliary heat source 3 is controlled according to the heat generated by the solar heat collector 1, the heat medium water is guaranteed to reach the required temperature, the dependence of the air conditioner on traditional energy is reduced, the temperature is regulated and controlled through the solar auxiliary air conditioner, and the power consumption is reduced.
Fig. 6 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 6: a processor (processor) 610, a communication Interface 620, a memory (memory) 630 and a communication bus 640, wherein the processor 610, the communication Interface 620 and the memory 630 complete communication with each other through the communication bus 640. The processor 610 may invoke logic instructions in the memory 630 to perform a method of controlling an absorption-type cooling solar air conditioner, the method comprising: acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by the heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
controlling the solar heat collector 1 to heat the heat medium water according to the calculation result, judging that the heat medium water heating requirement can be met only through the solar heat collector 1, and generating a judgment result;
and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source 3 through the control instruction.
In addition, the logic instructions in the memory 630 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention further provides a computer program product, the computer program product includes a computer program, the computer program can be stored on a non-transitory computer readable storage medium, when the computer program is executed by a processor, a computer can execute a method for controlling an absorption refrigeration solar air conditioner, the method includes: acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by the heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
controlling the solar heat collector 1 to heat the heat medium water according to the calculation result, judging that the heat medium water heating requirement can be met only through the solar heat collector 1, and generating a judgment result;
and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source 3 through the control instruction.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements a method for controlling an absorption refrigeration solar air conditioner provided to perform the above methods, the method comprising: acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by the heat medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
controlling the solar heat collector 1 to heat the heat medium water according to the calculation result, judging that the heat medium water heating requirement can be met only through the solar heat collector 1, and generating a judgment result;
and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source 3 through the control instruction.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An absorption refrigeration solar air conditioner is characterized by comprising:
the system comprises a solar heat collector, a water storage tank, an auxiliary heat source, a generator and a central processing unit;
the solar heat collector is connected with the water storage tank, and the heat medium water in the water storage tank is heated through the solar heat collector;
the auxiliary heat source is connected with the water storage tank, and the auxiliary heat source heats the hot medium water in the water storage tank after being electrified;
the water storage tank is connected with the generator, heat is provided for the generator through the heat medium water in the water storage tank, and the generator separates refrigerant steam for refrigeration;
and the central processor controls the working states of the solar heat collector and the auxiliary heat source according to the temperature change in the water storage tank.
2. The absorption-type refrigeration solar air conditioner according to claim 1, wherein the solar heat collector is disposed at a place where sunlight is sufficient outdoors, and converts solar energy into heat energy to transfer the heat energy to the water storage tank, and the water storage tank contains hot water, and the hot water is heated by the heat energy converted by the solar energy.
3. The absorption-type refrigeration solar air conditioner as claimed in claim 2, wherein a temperature sensor is installed in the water storage tank, the temperature of the heating medium water is collected by the temperature sensor, and the collected temperature data is sent to the central processing unit.
4. The absorption-type cooling solar air conditioner according to claim 1, wherein the auxiliary heat source is connected to a power supply device, and the auxiliary heat source heats the hot water after being energized.
5. The absorption-cooled solar air conditioner according to claim 1, wherein the water reservoir is connected to a generator through a pipe, the heated hot water is transferred to the generator through the pipe, and the generator performs refrigerant vapor separation by heat supplied from the hot water.
6. The absorption-type refrigeration solar air conditioner according to claim 1, wherein the generator is disposed in an air conditioner, the air conditioner is further provided with an evaporator, an absorber, a condenser and a throttle valve, the evaporator heats and evaporates liquid refrigerant into refrigerant vapor, the absorber is connected with the evaporator, the refrigerant vapor is absorbed by an absorbent in the absorber, the absorber is connected with the generator, the absorbent is sent to the generator by a solution pump, the refrigerant vapor is separated by the generator, the generator is connected with the condenser, the refrigerant vapor is condensed in the condenser into liquid refrigerant, the condenser is connected with the throttle valve, and the liquid refrigerant can enter the evaporator through the throttle valve to complete circulation.
7. A control method of an absorption refrigeration solar air conditioner is characterized by comprising the following steps:
acquiring an indoor environment temperature and an air conditioner set temperature, and calculating an ideal temperature value required by heating medium water according to a difference value between the indoor environment temperature and the air conditioner set temperature;
collecting the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value, and generating a calculation result;
controlling a solar heat collector to heat the heat medium water according to the calculation result, judging that the heating requirement of the heat medium water can be met only through the solar heat collector, and generating a judgment result;
and generating a control instruction according to the judgment result, and controlling the working state of the auxiliary heat source through the control instruction.
8. The method for controlling an absorption-type refrigeration solar air conditioner according to claim 7, wherein the method for controlling the solar heat collector to heat the hot water according to the calculation result, judging that the temperature rise requirement of the hot water can be met only by the solar heat collector, and generating the judgment result specifically comprises:
under the condition that the heat provided by the solar heat collector can meet the heating requirement of the heat medium water, the judgment result is that the heat medium water is heated only through the solar heat collector;
under the condition that the heat provided by the solar heat collector cannot meet the heating requirement of the heat medium water, the judgment result is that the auxiliary heat source is needed to perform auxiliary heating on the heat medium water.
9. The method for controlling an absorption refrigeration solar air conditioner according to claim 7, wherein a control instruction is generated according to the determination result, and the control instruction controls the operating state of the auxiliary heat source, specifically comprising:
generating a control instruction under the condition that the auxiliary heat source is needed to perform auxiliary heating on the heat medium water according to the judgment result;
and the control instruction controls the auxiliary heat source to be electrified, and the heat medium water is heated after the auxiliary heat source is electrified until the temperature of the heat medium water reaches an ideal temperature value.
10. A control system for an absorption refrigerated solar air conditioner, the system comprising:
the data acquisition module is used for acquiring the indoor environment temperature and the set temperature of the air conditioner and calculating an ideal temperature value required by the heating medium water according to the difference value between the indoor environment temperature and the set temperature of the air conditioner;
the difference value calculation module is used for acquiring the temperature of the current heat medium water, calculating the difference value between the current heat medium water temperature and an ideal temperature value and generating a calculation result;
the judging module is used for controlling the solar heat collector to heat the heat medium water according to the calculation result, judging that the temperature rise requirement of the heat medium water can be met only through the solar heat collector, and generating a judging result;
and the control module is used for generating a control instruction according to the judgment result and controlling the working state of the auxiliary heat source through the control instruction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211380848.2A CN115560408A (en) | 2022-11-04 | 2022-11-04 | Absorption refrigeration solar air conditioner and control method and system thereof |
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| CN202211380848.2A CN115560408A (en) | 2022-11-04 | 2022-11-04 | Absorption refrigeration solar air conditioner and control method and system thereof |
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