CN112032921B - Air conditioner control method, air conditioner and storage medium - Google Patents
Air conditioner control method, air conditioner and storage medium Download PDFInfo
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- CN112032921B CN112032921B CN202010783362.8A CN202010783362A CN112032921B CN 112032921 B CN112032921 B CN 112032921B CN 202010783362 A CN202010783362 A CN 202010783362A CN 112032921 B CN112032921 B CN 112032921B
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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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The invention discloses an air conditioner control method, an air conditioner and a storage medium, wherein the method comprises the following steps: acquiring the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit; determining the target output frequency of the air-conditioning compressor according to the heat leakage amount; and controlling the air conditioner compressor to operate at the target output frequency. According to the invention, the heat leakage quantity of the air conditioner pipeline is determined according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and the output frequency of the air conditioner compressor is corrected according to the heat leakage quantity of the air conditioner pipeline, so that the misoperation or the delay of the shutdown time in the air conditioner control process caused by heat leakage of the pipeline is avoided, the output frequency of the air conditioner compressor is matched with the actual requirement of a user, the stability and the comfort of the outlet air temperature of the air conditioner are improved, and the energy consumption of the air conditioner is reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method, an air conditioner and a storage medium.
Background
The air conditioner has a temperature adjusting function, is popular with users, and becomes a necessary household electrical appliance. The household central air conditioner can realize summer air disc refrigeration and winter heating through an independent air conditioning system, has the advantages of high comfort and high intelligent integration level, and is widely applied to occasions such as villas, high-end communities and the like.
The existing household central air conditioner controls the air conditioner according to the water outlet temperature or the water return temperature, and the temperature collection point of the existing household central air conditioner is positioned on an internal pipeline of the air conditioner no matter the water outlet temperature or the water return temperature. The pipelines of the air conditioner are generally laid longer, the pipelines have heat leakage conditions, the acquired temperature has larger deviation with the actual temperature, the phenomenon of misoperation or delay of shutdown time easily occurs in the control process of the air conditioner, the use comfort of the air conditioner is influenced, and the energy consumption of the air conditioner is increased.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an air conditioner control method, an air conditioner and a storage medium, aiming at solving the problems that the existing air conditioner is easy to cause malfunction or delay of shutdown time in the air conditioner control process due to heat leakage of pipelines, the use comfort of the air conditioner is affected and the energy consumption of the air conditioner is increased.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an air conditioner control method, comprising the steps of:
acquiring the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
determining the target output frequency of the air-conditioning compressor according to the heat leakage amount;
and controlling the air conditioner compressor to operate at the target output frequency.
The air conditioner control method comprises the following steps of obtaining the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of an air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, wherein the indoor unit comprises a plurality of units:
acquiring the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
and acquiring the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
The air conditioner control method comprises the following steps of determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit:
determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit; the capacity ratio of each indoor unit is the ratio of the refrigerating capacity/heating capacity of each indoor unit to the total refrigerating capacity/total heating capacity of all indoor units;
and determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the capacity ratio of each indoor unit.
The air conditioner control method includes the steps of determining the capacity ratio of each indoor unit according to the cooling capacity/heating capacity of each indoor unit, and includes:
determining the total refrigerating capacity/total heating capacity of all the indoor units according to the refrigerating capacity/heating capacity of each indoor unit;
and determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units.
The air conditioner control method comprises the following steps of determining the heat leakage quantity of an air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit:
determining the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
and acquiring the water flow of the air-conditioning pipeline, and determining the heat leakage quantity of the air-conditioning pipeline according to the water flow of the air conditioner and the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
The air conditioner control method comprises the following steps of:
acquiring dialing values of the indoor units;
and acquiring the refrigerating capacity/heating capacity of each indoor unit according to the dialing value of each indoor unit and the corresponding relation between the prestored dialing value and the refrigerating capacity/heating capacity.
The air conditioner control method, wherein the step of determining the target output frequency of the air conditioner compressor according to the amount of heat leakage comprises:
acquiring the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units;
and determining the target output frequency of the air-conditioning compressor according to the heat leakage amount, the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units.
The air conditioner control method comprises the following steps of:
the method comprises the steps of obtaining the refrigerating capacity/heating capacity of an indoor unit in an operating state, and determining the required refrigerating capacity/required heating capacity of the indoor unit according to the refrigerating capacity/heating capacity of the indoor unit in the operating state.
An air conditioner, comprising: a processor, a storage medium communicatively coupled to the processor, the storage medium adapted to store a plurality of instructions; the processor is suitable for calling instructions in the storage medium to execute the steps of implementing the air conditioner control method.
A computer readable storage medium having stored thereon a plurality of instructions, wherein the instructions are adapted to be loaded and executed by a processor to perform the steps of implementing the air conditioning control method.
The invention has the beneficial effects that: according to the invention, the heat leakage quantity of the air conditioner pipeline is determined according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and the output frequency of the air conditioner compressor is corrected according to the heat leakage quantity of the air conditioner pipeline, so that the misoperation or the delay of the shutdown time in the air conditioner control process caused by heat leakage of the pipeline is avoided, the output frequency of the air conditioner compressor is matched with the actual requirement of a user, the stability and the comfort of the outlet air temperature of the air conditioner are improved, and the energy consumption of the air conditioner is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner provided in an embodiment of the present invention;
fig. 2 is a flowchart of a control method of an air conditioner according to a preferred embodiment of the present invention;
fig. 3 is a functional schematic diagram of an air conditioner provided in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any and all combinations of one or more of the associated listed items. The "plurality" referred to in the present invention means two or more.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Example one
In one embodiment, an air conditioner is provided, as shown in fig. 1, the air conditioner includes a plurality of indoor units 11 and an outdoor unit 14, the indoor units 11 may be one or more of a fan coil, a floor heating device or a radiator, and the indoor units 11 and the outdoor unit 14 are connected in RS458 communication. A plurality of water outlet temperature sensing bags 12 are arranged on water outlet pipelines of the indoor units 11, the water outlet temperature sensing bags 12 are used for collecting water outlet temperatures of the indoor units 11, a water return pipeline of the outdoor unit 14 is provided with a water return temperature sensing bag 13, and the water return temperature sensing bag 13 is used for collecting water return temperatures of the outdoor unit 14.
Example two
In an embodiment, an air conditioner control method is provided, where the air conditioner control method may be applied to an air conditioner, and a processor in the air conditioner may execute the control method to control the air conditioner, please refer to fig. 2, and fig. 2 is a flowchart of a preferred embodiment of the air conditioner control method provided in the present invention. The method comprises the following steps:
s100, obtaining the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
The heat leakage of the air-conditioning pipeline can be caused by the reasons that the laying of the household central air-conditioning pipeline and the central air-conditioning pipeline with similar purposes is long, the pipeline is not installed properly, the selection of the pipeline heat-insulating material is wrong or the heat-insulating effect is reduced after the pipeline is used for a long time, and the like. The air conditioner aims to solve the problems that misoperation or shutdown time delay occurs in the air conditioner control process easily due to heat leakage of the existing pipeline, the use comfort of the air conditioner is influenced, and the energy consumption of the air conditioner is increased. In this embodiment, a water outlet temperature sensing bulb is arranged on a water outlet pipeline of the indoor unit of the air conditioner in advance, and a water return temperature sensing bulb is arranged on a water return pipeline of the outdoor unit of the air conditioner. When the air conditioner is operated, the outlet water temperature of the indoor unit is collected through the outlet water temperature sensing bulb, the return water temperature of the outdoor unit is collected through the return water temperature sensing bulb, and then the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit determine the heat leakage amount of an air conditioner pipeline. This embodiment is at the air conditioner operation in-process, controls the air conditioner according to the heat leakage quantity of air conditioner pipeline for the terminal temperature of entering air conditioning indoor set is closer to the user and sets for the temperature, thereby improves the travelling comfort of the actual air-out temperature of air conditioner.
In a specific embodiment, the indoor unit includes a plurality of indoor units, and the step S100 specifically includes:
s110, obtaining the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
s120, determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
s130, acquiring the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
In specific implementation, the indoor units include a plurality of indoor units, where the plurality of indoor units refer to two or more indoor units, each indoor unit has its corresponding outlet water temperature and refrigerating capacity/heating capacity, and in this embodiment, the outlet water temperature sensing packages collect water respectivelyAnd the outlet water temperature of each indoor unit is obtained, the refrigerating capacity/heating capacity of each indoor unit is obtained, and the average outlet water temperature of each indoor unit is determined according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit. The calculation formula of the average outlet water temperature of the indoor unit is as follows:
wherein the content of the first and second substances,
is the average outlet water temperature of the indoor unit,
is the outlet water temperature, X, of the first indoor unit1The capacity of the first indoor unit is determined by the refrigerating capacity/heating capacity of the first indoor unit,
the outlet water temperature of the second indoor unit, X2The capacity of the second indoor unit is determined by the refrigerating capacity/heating capacity of the second indoor unit,
is the outlet water temperature, X, of the nth indoor unitnThe capacity of the nth indoor unit is the ratio, and the capacity is determined by the refrigerating capacity/heating capacity of the nth indoor unit.
Furthermore, the return water temperature of the outdoor unit is collected through a return water temperature sensing bulb, and the heat leakage quantity of the air conditioner pipeline is determined according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit. The calculation formula of the heat leakage quantity of the air-conditioning pipeline is as follows:
wherein Q isLC is the specific heat capacity of water and T is the heat leakage quantity of the air-conditioning pipelineReturn waterIs the return water temperature of the outdoor unit,
the average outlet water temperature of the indoor unit, and M is the unit time water flow of the air-conditioning pipeline.
In a specific embodiment, the step of obtaining the cooling capacity/heating capacity of each indoor unit in step S110 specifically includes:
s111, acquiring dial values of the indoor units;
and S112, acquiring the refrigerating capacity/heating capacity of each indoor unit according to the dialing value of each indoor unit and the corresponding relation between the prestored dialing value and the refrigerating capacity/heating capacity.
During specific implementation, each indoor unit in the air conditioner has a dial value corresponding to the indoor unit, and different dial values correspond to different heat parameters. In order to obtain the cooling capacity/heating capacity of each indoor unit, in this embodiment, the dial value of each indoor unit is first obtained, and the cooling capacity/heating capacity of each indoor unit is determined according to the dial value of each indoor unit and the corresponding relationship between the pre-stored dial value and the heat parameter.
In a specific embodiment, the step S120 specifically includes:
s121, determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit;
and S122, determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the capacity ratio of each indoor unit.
In specific implementation, the average outlet water temperature of the indoor units is obtained by weighted average of outlet water temperature of each indoor unit and capacity ratio of each indoor unit, and the capacity ratio of each indoor unit is determined by refrigerating capacity/heating capacity of each indoor unit. In this embodiment, after the cooling capacity/heating capacity of each indoor unit is obtained, the capacity ratio of each indoor unit is determined according to the cooling capacity/heating capacity of each indoor unit. And then carrying out weighted average on the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit to obtain the average outlet water temperature of the indoor units.
In a specific embodiment, the step S121 specifically includes:
s1211, determining the total refrigerating capacity/total heating capacity of all the indoor units according to the refrigerating capacity/heating capacity of each indoor unit;
and S1212, determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units.
In specific implementation, after the refrigerating capacity/heating capacity of each indoor unit is obtained, the refrigerating capacity/heating capacity of each indoor unit is added to determine the total refrigerating capacity/total heating capacity of all indoor units. For example, an air conditioner includes 10 indoor units, the rated cooling capacity of each indoor unit is 10kw, and the total cooling capacity of all the indoor units is 100 kw. And after the total refrigerating capacity/total heating capacity of all the indoor units is determined, further determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units. The calculation formula of the capacity ratio of each indoor unit is as follows:
wherein, XnIs the capacity ratio, Q, of the nth indoor unitnFor refrigerating capacity/heating capacity of the nth indoor unit, QdThe total cooling capacity/total heating capacity of all indoor units. For example, the cooling capacity Q corresponding to the first indoor unit in the air conditioner110kw, total cooling capacity Q of all indoor unitsd100kw, the capacity of the first indoor unit in the air conditioner is in proportion
In a specific embodiment, the step of determining the heat leakage amount of the air conditioner according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit in step S130 specifically includes:
s131, determining a difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
s132, water flow of the air conditioner pipeline is obtained, and heat leakage quantity of the air conditioner is determined according to the water flow of the air conditioner and the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
In specific implementation, after the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit are obtained, the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit is determined according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit. And then acquiring the water flow of the air-conditioning pipeline in unit time, and determining the heat leakage quantity of the air-conditioning pipeline according to the water flow of the air conditioner and the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit. The water flow of the air-conditioning pipeline in unit time is a parameter related to the type of the air conditioner, after the air conditioner is subjected to engineering model selection, the water flow of the air-conditioning pipeline in unit time is determined, and the water flow of the air-conditioning pipeline in unit time is obtained by inputting the water flow of the air-conditioning pipeline in the debugging stage of the air conditioner as a debugging parameter.
In a preferred embodiment of the present invention, the air conditioning control method further includes:
and S200, determining the target output frequency of the air conditioner compressor according to the heat leakage quantity.
In specific implementation, after the heat leakage amount of the air conditioner pipeline is obtained, the rated output frequency of the air conditioner compressor is corrected through the heat leakage amount, and the target output frequency of the air conditioner compressor is determined according to the heat leakage amount and the rated output frequency of the air conditioner compressor. The calculation formula of the target output frequency of the air conditioner compressor is as follows:
wherein N issFor the target output frequency of the air-conditioning compressor, lambda is the correction factor, QsFor the required cooling/heating capacity of the indoor unit, QLFor heat leakage, QdFor the total cooling capacity/total heating capacity of all indoor units, NdIs the rated output frequency of the air conditioner compressor. Wherein the correction coefficient lambda is constantThe default value is 1, which can be determined by engineering debugging, and the rated output frequency N of the air-conditioning compressordThe air conditioner has different rated output frequencies under different working modes for the parameters of the air conditioner.
In a specific embodiment, the step S200 includes:
s210, acquiring the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units;
and S220, determining the target output frequency of the air-conditioning compressor according to the heat leakage amount, the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units.
In specific implementation, after the refrigerating capacity/heating capacity of each indoor unit is obtained, the required refrigerating capacity/required heating capacity of the indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units are obtained according to the refrigerating capacity/heating capacity of each indoor unit. And then determining the target output frequency of the air-conditioning compressor according to the heat leakage quantity, the required refrigerating capacity/required heating quantity of the indoor unit and the total refrigerating capacity/total heating quantity of the indoor unit.
In a specific embodiment, the step of obtaining the required cooling capacity/the required heating capacity of the indoor unit in step S210 includes:
s211, obtaining the refrigerating capacity/heating capacity of the indoor unit in the running state, and determining the required refrigerating capacity/required heating capacity of the indoor unit according to the refrigerating capacity/heating capacity of the indoor unit in the running state.
In specific implementation, the required cooling capacity/required heating capacity of the indoor unit is the sum of the cooling capacity and the heating capacity of all the indoor units in the running state. When the air conditioner is in the running state, the refrigerating capacity/heating capacity of all the indoor units in the running state of the air conditioner is obtained, and the refrigerating capacity/heating capacity of all the indoor units in the running state of the air conditioner is added to obtain the required refrigerating capacity/required heating capacity of the indoor units. For example, in 10 indoor units of an air conditioner, the first, third, and fifth indoor units are in an on state, other indoor units are in an off state, and the cooling capacities of the first, third, and fifth indoor units are all 10kw, the required cooling capacity of the indoor unit can be 30 kw.
In a preferred embodiment of the present invention, the air conditioning control method further includes:
and S300, controlling the air conditioner compressor to operate at the target output frequency.
In specific implementation, after the target output frequency of the air conditioner compressor is obtained, the air conditioner compressor can be controlled according to the target output frequency, so that the air conditioner compressor can operate according to the target output frequency. According to the air conditioner, the output frequency of the air conditioner compressor is dynamically corrected according to the heat leakage amount of the air conditioner pipeline, so that the output frequency of the air conditioner compressor is matched with the actual demand of a user, the stability and the comfort of the air outlet temperature of the air conditioner are improved, and the energy consumption of the air conditioner is reduced.
EXAMPLE III
Based on the above embodiments, the present invention further provides an air conditioner, and a schematic block diagram thereof may be as shown in fig. 3. The air conditioner includes a processor, a memory, a network interface, and a user interface connected by a system bus. Wherein, the processor of the air conditioner is used for providing calculation and control capability. The memory of the air conditioner comprises a nonvolatile storage medium and an internal memory. The nonvolatile storage medium stores an operating system and an air conditioning control program. The internal memory provides an environment for the operation of the operating system and the air conditioning control program in the nonvolatile storage medium. The network interface of the air conditioner is used for connecting and communicating with an external terminal through a network. The user interface of the air conditioner is used for being connected with the client side and carrying out data communication with the client side. The air conditioning control program is executed by a processor to implement an air conditioning control method. The display screen of the air conditioner is a display interface of the air conditioner and is used for displaying the working mode and the working temperature of the air conditioner.
It will be understood by those skilled in the art that the block diagram shown in fig. 3 is only a block diagram of a part of the structure related to the solution of the present invention, and does not constitute a limitation of the air conditioner to which the solution of the present invention is applied, and a specific air conditioner may include more or less components than those shown in the figure, or combine some components, or have a different arrangement of components.
In one embodiment, an air conditioner is provided, which includes a memory and a processor, wherein the memory stores an air conditioner control program, and the processor executes the air conditioner control program to realize at least the following steps:
acquiring the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
determining the target output frequency of the air-conditioning compressor according to the heat leakage amount;
and controlling the air conditioner compressor to operate at the target output frequency.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: acquiring the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit; determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit; and acquiring the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit; and determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the capacity ratio of each indoor unit.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: determining the total refrigerating capacity/total heating capacity of all the indoor units according to the refrigerating capacity/heating capacity of each indoor unit; and determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: determining the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit; and acquiring the water flow of the air-conditioning pipeline, and determining the heat leakage quantity of the air-conditioning pipeline according to the water flow of the air conditioner and the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: acquiring dialing values of the indoor units; and acquiring the refrigerating capacity/heating capacity of each indoor unit according to the dialing value of each indoor unit and the corresponding relation between the prestored dialing value and the refrigerating capacity/heating capacity.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: acquiring the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units; and determining the target output frequency of the air-conditioning compressor according to the heat leakage amount, the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units.
In one embodiment, the processor, when executing the air conditioner control program, may further implement: the method comprises the steps of obtaining the refrigerating capacity/heating capacity of an indoor unit in an operating state, and determining the required refrigerating capacity/required heating capacity of the indoor unit according to the refrigerating capacity/heating capacity of the indoor unit in the operating state.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by an air conditioning control program, which may be stored in a non-volatile computer readable storage medium, and when executed, the air conditioning control program may include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
In summary, the present invention discloses an air conditioner control method, an air conditioner and a storage medium, wherein the method includes: acquiring the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit; determining the target output frequency of the air-conditioning compressor according to the heat leakage amount; and controlling the air conditioner compressor to operate at the target output frequency. According to the invention, the heat leakage quantity of the air conditioner pipeline is determined according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and the output frequency of the air conditioner compressor is corrected according to the heat leakage quantity of the air conditioner pipeline, so that the misoperation or the delay of the shutdown time in the air conditioner control process caused by heat leakage of the pipeline is avoided, the output frequency of the air conditioner compressor is matched with the actual requirement of a user, the stability and the comfort of the outlet air temperature of the air conditioner are improved, and the energy consumption of the air conditioner is reduced.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. An air conditioner control method is characterized by comprising the following steps:
acquiring the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of the air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
the method comprises the following steps of obtaining the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, and determining the heat leakage quantity of an air conditioner pipeline according to the outlet water temperature of the indoor unit and the return water temperature of the outdoor unit, wherein the steps comprise:
acquiring the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit;
acquiring the return water temperature of the outdoor unit, and determining the heat leakage quantity of an air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
the step of determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the refrigerating capacity/heating capacity of each indoor unit comprises the following steps:
determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit; the capacity ratio of each indoor unit is the ratio of the refrigerating capacity/heating capacity of each indoor unit to the total refrigerating capacity/total heating capacity of all indoor units;
determining the average outlet water temperature of the indoor units according to the outlet water temperature of each indoor unit and the capacity ratio of each indoor unit;
the step of determining the heat leakage quantity of the air conditioner pipeline according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit comprises the following steps:
determining the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit according to the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
acquiring water flow of the air-conditioning pipeline, and determining heat leakage quantity of the air-conditioning pipeline according to the water flow of the air conditioner and the difference value between the average outlet water temperature of the indoor unit and the return water temperature of the outdoor unit;
determining the target output frequency of the air-conditioning compressor according to the heat leakage amount;
and controlling the air conditioner compressor to operate at the target output frequency.
2. The air conditioning control method according to claim 1, wherein the step of determining the capacity ratio of each indoor unit according to the cooling capacity/heating capacity of each indoor unit includes:
determining the total refrigerating capacity/total heating capacity of all the indoor units according to the refrigerating capacity/heating capacity of each indoor unit;
and determining the capacity ratio of each indoor unit according to the refrigerating capacity/heating capacity of each indoor unit and the total refrigerating capacity/total heating capacity of all the indoor units.
3. The air conditioner control method according to claim 1, wherein the step of obtaining the cooling/heating capacity of each indoor unit includes:
acquiring dialing values of the indoor units;
and acquiring the refrigerating capacity/heating capacity of each indoor unit according to the dialing value of each indoor unit and the corresponding relation between the prestored dialing value and the refrigerating capacity/heating capacity.
4. The air conditioner control method as claimed in claim 1, wherein the step of determining the target output frequency of the air conditioner compressor according to the amount of leakage heat comprises:
acquiring the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units;
and determining the target output frequency of the air-conditioning compressor according to the heat leakage amount, the required refrigerating capacity/required heating capacity of the indoor units and the total refrigerating capacity/total heating capacity of all the indoor units.
5. The air conditioner control method according to claim 4, wherein the step of obtaining the required cooling capacity/required heating capacity of the indoor unit includes:
the method comprises the steps of obtaining the refrigerating capacity/heating capacity of an indoor unit in an operating state, and determining the required refrigerating capacity/required heating capacity of the indoor unit according to the refrigerating capacity/heating capacity of the indoor unit in the operating state.
6. An air conditioner, comprising: a processor, a storage medium communicatively coupled to the processor, the storage medium adapted to store a plurality of instructions; the processor is adapted to call instructions in the storage medium to perform the steps of implementing the air conditioning control method of any of the preceding claims 1-5.
7. A computer readable storage medium having stored thereon a plurality of instructions adapted to be loaded and executed by a processor to perform the steps of implementing the air conditioning control method of any of claims 1-5.
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