CN114777237A - Control method of air conditioner, air conditioner and computer readable storage medium - Google Patents

Control method of air conditioner, air conditioner and computer readable storage medium Download PDF

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Publication number
CN114777237A
CN114777237A CN202210482685.2A CN202210482685A CN114777237A CN 114777237 A CN114777237 A CN 114777237A CN 202210482685 A CN202210482685 A CN 202210482685A CN 114777237 A CN114777237 A CN 114777237A
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CN
China
Prior art keywords
temperature
water pump
target
air conditioner
temperature difference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210482685.2A
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Chinese (zh)
Inventor
肖久旻
曹磊
毕麟
黄汝普
肖阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan Refrigeration Equipment Co Ltd
Original Assignee
GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan Refrigeration Equipment Co Ltd
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Publication date
Application filed by GD Midea Air Conditioning Equipment Co Ltd, Midea Group Wuhan Refrigeration Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Priority to CN202210482685.2A priority Critical patent/CN114777237A/en
Publication of CN114777237A publication Critical patent/CN114777237A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • 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
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F11/85—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 using variable-flow pumps
    • 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
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • 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
    • 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 a control method of an air conditioner, which comprises a water tank, a cooling heat exchanger and a water pump, wherein an ice making device is arranged in the water tank, the cooling heat exchanger is connected with the water tank through a pipeline, the water pump is arranged on the pipeline, and the water pump is used for conveying water in the water tank to the cooling heat exchanger; the control method of the air conditioner includes the steps of: after the water pump is started, acquiring a first temperature difference value between the current environment temperature and the set temperature; determining a target operation parameter of the air conditioner according to the first temperature difference, wherein the operation parameter comprises at least one of a fan rotating speed of a fan corresponding to the cooling heat exchanger and a water pump rotating speed of the water pump; the invention also discloses an air conditioner and a computer readable storage medium, which can adjust the operation parameters of the air conditioner in real time through the first temperature difference value between the current environment temperature and the set temperature, reduce the reduction rate of the cooling capacity and prolong the cooling time.

Description

Control method of air conditioner, air conditioner and computer readable storage medium
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a method for controlling an air conditioner, and a computer-readable storage medium.
Background
Be provided with the water tank including ice making device in the air conditioner, when putting cold, extract to putting cold heat exchanger through the cold water of water pump in with the water tank, carry out heat exchange with cold water and air through putting cold heat exchanger and realize the cooling, and then the cold water after will carrying out the heat exchange returns to the water tank, and the cold water temperature based on after the heat exchange risees, after starting the water pump for a certain time, when cold water in the water tank can not continue to put cold through putting cold heat exchanger because of the temperature rises, the current end of putting cold. When the cooling process is executed, the cooling working parameters of the air conditioner during cooling are determined according to the set temperature set by a user, the air conditioner continuously executes cooling according to the cooling working parameters, the water temperature of cold water in the water tank continuously rises, the cooling capacity is gradually reduced in the subsequent cooling process, so that cooling cannot be performed, and the cooling time is short.
The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.
Disclosure of Invention
The invention mainly aims to provide a control method of an air conditioner, the air conditioner and a computer readable storage medium, and aims to solve the problem of long cooling time of the air conditioner.
In order to achieve the above object, the present invention provides a control method of an air conditioner, the air conditioner includes a water tank, a cooling heat exchanger and a water pump, an ice making device is arranged in the water tank, the cooling heat exchanger is connected with the water tank through a pipeline, the water pump is arranged on the pipeline, and the water pump is used for conveying water in the water tank to the cooling heat exchanger; the control method of the air conditioner includes the steps of:
after the water pump is started, acquiring a first temperature difference value between the current environment temperature and the set temperature;
and determining a target operation parameter of the air conditioner according to the first temperature difference, wherein the operation parameter comprises at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump.
Optionally, the step of determining the target operation parameter of the air conditioner according to the first temperature difference value includes:
acquiring a target temperature interval where the first temperature difference value is located;
determining a target operation parameter corresponding to the target temperature interval according to a preset relation between the temperature interval and the operation parameter, and taking the target operation parameter as a target operation parameter of the air conditioner; wherein the greater the first temperature difference, the greater the value of the target operating parameter.
Optionally, the operation parameters include a fan rotation speed of a fan corresponding to the cooling heat exchanger and a water pump rotation speed of the water pump, and the step of determining the target operation parameter of the air conditioner according to the first temperature difference includes:
acquiring a target temperature interval where the first temperature difference value is located;
determining a target fan rotating speed of the fan corresponding to the target temperature interval according to a preset relation between the temperature interval and the operation parameter;
and determining a target water pump rotating speed corresponding to the target fan rotating speed according to a preset relation between the fan rotating speed and the water pump rotating speed.
Optionally, the preset relationship between the fan rotation speed and the water pump rotation speed includes a water pump rotation speed frequency limit value corresponding to the fan rotation speed, and the step of determining the target water pump rotation speed corresponding to the target rotation speed according to the preset relationship between the fan rotation speed and the water pump rotation speed includes:
determining the initial water pump rotating speed of the water pump corresponding to the target temperature interval according to the preset relation between the temperature interval and the operation parameters;
determining a target water pump rotating speed frequency limiting value corresponding to the target fan rotating speed according to the preset relation between the fan rotating speed and the water pump rotating speed;
and determining the target water pump rotating speed according to the initial water pump rotating speed and the target water pump rotating speed frequency limiting value.
Optionally, the step of determining the target water pump rotation speed according to the initial water pump rotation speed and the target water pump rotation speed frequency limit value includes:
when the initial water pump rotating speed is less than or equal to the upper limit value of the target water pump rotating speed limit value, determining the initial water pump rotating speed as the target water pump rotating speed;
and when the initial water pump rotating speed is greater than the upper limit value of the target water pump rotating speed frequency limit value, determining the upper limit value as the target water pump rotating speed.
Optionally, the step of determining the target operation parameter of the air conditioner according to the first temperature difference value comprises:
determining a temperature compensation value;
adjusting the first temperature difference value according to the temperature compensation value;
and determining the target operation parameter according to the adjusted first temperature difference value.
Optionally, the step of determining a temperature compensation value comprises:
acquiring a target temperature difference value of the first temperature difference value and a preset temperature difference value;
determining a temperature compensation value corresponding to the target temperature difference value according to a preset relation between the temperature difference value and the temperature compensation value; wherein, the larger the target temperature difference is, the smaller the temperature compensation value is.
Optionally, the air conditioner further includes a compressor, a first heat exchanger, a throttling device, and a second heat exchanger connected in sequence, where the second heat exchanger is the ice making device disposed in the first water tank, and the method further includes:
acquiring a water temperature difference value of water temperature after cooling and water temperature before cooling and a target water temperature difference value corresponding to the current fan rotating speed of a fan of the air conditioner;
when the water temperature difference value of the water temperature after the cooling and the water temperature before the cooling is greater than or equal to the target water temperature difference value, starting the compressor for refrigeration;
and when the water temperature difference value between the water temperature after cooling and the water temperature before cooling is smaller than the target water temperature difference value, returning to execute the step of obtaining the first temperature difference value between the current environment temperature and the set temperature.
In addition, to achieve the above object, the present invention also provides an air conditioner including: the control program of the air conditioner realizes the steps of the control method of the air conditioner as described above when being executed by the processor.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a control program of an air conditioner, which when executed by a processor, implements the steps of the control method of the air conditioner as described above.
The embodiment of the invention provides a control method of an air conditioner, the air conditioner and a computer readable storage medium, the air conditioner comprises a water tank, a cooling heat exchanger and a water pump, an ice making device is arranged in the first water tank, the cooling heat exchanger is connected with the water tank through a pipeline, the water pump is arranged on the pipeline, the water pump is used for conveying water in the water tank to the cooling heat exchanger, in the actual cooling process, the water pump is started, a first temperature difference value between the current environment temperature and the set temperature is obtained, a target operation parameter of the air conditioner is determined according to the first temperature difference value, wherein the operation parameter comprises at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump, the problem of overhigh cooling capacity reduction rate caused by long-time operation with fixed operation parameters is solved by adjusting the operation parameter in real time according to the first temperature difference value, therefore, the cooling capacity reduction rate is reduced, and the end time point of the air conditioner ending operation caused by insufficient cooling capacity can be delayed backwards after the cooling capacity reduction rate is reduced, so that the cooling time is prolonged.
Drawings
Fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an air conditioner according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
FIG. 6 is a detailed flowchart of step S20 of the first embodiment of the method for controlling an air conditioner according to the present invention;
fig. 7 is a detailed flowchart of step S20 of the control method of the air conditioner according to the second embodiment of the present invention;
fig. 8 is a detailed flowchart of step S25 of the control method of the air conditioner according to the second embodiment of the present invention;
fig. 9 is a detailed flowchart of step S25 of the control method of the air conditioner according to the second embodiment of the present invention;
FIG. 10 is a flow chart illustrating a control method of an air conditioner according to a third embodiment of the present invention;
fig. 11 is a detailed flowchart of step S26 of the control method of the air conditioner according to the third embodiment of the present invention;
fig. 12 is a flowchart illustrating a control method of an air conditioner according to a third embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: after the water pump is started, acquiring a first temperature difference value between the current environment temperature and a set temperature; and determining a target operation parameter of the air conditioner according to the first temperature difference, wherein the operation parameter comprises at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump.
As shown in fig. 1 to 4, fig. 1 to 3 are schematic structural diagrams of an air conditioner according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention.
Referring to fig. 1, the air conditioner includes a water tank 101, a cooling heat exchanger 102, and a water pump 103, and an ice making device is provided in the water tank 101; the cooling heat exchanger 102 is connected with the water tank 101 through a pipeline; the water pump 103 is arranged on the pipeline, and the water pump 103 is used for conveying water in the water tank 101 to the cooling heat exchanger 102;
optionally, before cooling, the water tank 101 stores ice blocks or cold water, the ice blocks are made by an ice making device in the water tank, when a cooling instruction is received, the water pump 103 is turned on, the cold water in the water tank 101 is conveyed to the cooling heat exchanger 102 by the water pump 103, and the cooling heat exchanger 102 performs heat interaction with external air flow through the cold water to reduce the temperature of the external air flow, so that cooling is achieved. Specifically, the air conditioner further comprises an air inlet and an air outlet, external air flow enters the air conditioner through the air inlet, and the external air flow after heat exchange with the cooling heat exchanger 102 is output to the outside through the air outlet, so that cooling is achieved, after cold water is subjected to heat exchange with the external air flow through the cooling heat exchanger 102, the water returns to the water tank 101 through a pipeline, circulation is achieved, the water is continuously conveyed from the water tank 101 to the cooling heat exchanger 102, and after cooling is completed, the water returns to the water tank 101.
Optionally, the air conditioner further includes a fan 104, the fan 104 is disposed in an air duct of the air conditioner, the fan 104 is configured to suck an external air flow into the air duct and discharge the heat-exchanged air flow to the outside, and the fan 104 corresponds to the cooling heat exchanger 102 and is configured to discharge the heat-exchanged air flow to the outside.
Optionally, the air conditioner further includes a controller (not shown in the figure), the controller is connected to the water pump 103 and configured to control the water pump 103 to start and control a water pump rotation speed of the water pump 103, and the controller is further connected to the fan 104 and configured to control the fan 104 to start and control a fan rotation speed of the fan 104.
Optionally, the air conditioner further comprises an ambient temperature sensor 105 for sensing the temperature of the environment, the air conditioner further includes a pre-cooling temperature sensor 110 and a post-cooling temperature sensor 111, the pre-cooling temperature sensor 110 is used to detect the temperature of the water in the water tank 101 before cooling, the temperature sensor 111 after cooling is used for detecting the temperature of water after cooling, the ambient temperature sensor 105, the temperature sensor 110 before cooling and the temperature sensor 111 after cooling are all connected with the controller, in the actual cooling process, the water pump 103 is started, the controller controls the ambient temperature sensor 105, the temperature sensor 110 before cooling and the temperature sensor 111 after cooling respectively collect the ambient temperature, the water temperature before cooling and the water temperature after cooling with preset frequency, preferably, the preset frequency is 30 seconds/time.
Optionally, in the actual cooling process, after receiving the cooling instruction, the controller controls the air conditioner to operate according to preset operation parameters, the preset operation parameters include the preset water pump rotation speed of the water pump 103 and at least one of the preset fan rotation speeds of the fan 104, optionally, the preset operation parameters can be determined according to the current cooling mode of the air conditioner, the cooling mode includes cool cooling mode, automatic cooling mode and economic cooling mode, the preset operation parameters corresponding to the cooling modes are different, the numerical value of the preset operation parameters corresponding to the cool cooling mode is higher than the preset operation parameters corresponding to the automatic cooling mode, and the preset operation parameters corresponding to the automatic cooling mode are higher than the preset operation parameters corresponding to the economic cooling mode.
Optionally, the current cooling mode of the air conditioner may be set by a user, or may be determined according to a current environment temperature and a set temperature, where the current environment temperature is a temperature of an environment before the air conditioner cools down, and when a first temperature difference between the current environment temperature and the set temperature is greater than a preset temperature difference, it represents that the current environment temperature is far higher than the set temperature, and for achieving the purpose of rapid cooling, when the first temperature difference is greater than the preset temperature difference, it is determined that the current cooling mode is a cool cooling mode; when a first temperature difference value between the current environment temperature and the set temperature is smaller than a preset temperature difference value, it represents that a temperature difference between the current environment temperature and the set temperature is smaller, in order to reduce energy consumption of the air conditioner, the current cooling mode is determined to be one of an automatic cooling mode or an economic cooling mode, preferably, in order to improve accuracy of determining preset operation parameters, when the first temperature difference value is smaller than the preset temperature difference value, the first temperature difference value is compared with a second preset temperature, the second preset temperature is smaller than the preset temperature difference value, when the first temperature difference value is larger than the second preset temperature difference value, the current cooling mode is determined to be the automatic cooling mode, when the first temperature difference value is smaller than the second preset temperature difference value, the current cooling mode is determined to be the economic cooling mode, optionally, the preset temperature difference value can be 5 ℃, the second preset temperature may be 2 ℃.
Optionally, the set temperature may be a temperature set by a user, or may be a default temperature, where the default temperature is 26 ℃.
Optionally, the air conditioner may further detect a cooling parameter when the air conditioner cools down in real time after the air conditioner is turned on to cool down, adjust an operation parameter of the air conditioner in real time according to the cooling parameter, where the cooling parameter includes a current ambient temperature, the current ambient temperature is a temperature of an environment after cooling down, determine a target operation parameter of the air conditioner according to a first temperature difference between the current ambient temperature and a set temperature, the target operation parameter includes at least one of a target water pump rotation speed of the water pump 103 and a target fan rotation speed of the fan 104, control the water pump 103 to operate according to the target water pump rotation speed, and/or control the fan 104 to operate according to the target fan rotation speed, and optionally, when the current ambient temperature is far higher than the set temperature, increase the current fan rotation speed of the fan 104 and/or increase the current water pump rotation speed of the water pump 103, in order to realize the purpose of rapid cooling, when the current environment temperature reaches the set temperature or the current environment temperature is less than the set temperature, the current fan rotating speed of the fan 104 and/or the current water pump rotating speed of the water pump 103 can be reduced, so as to realize the purposes of cooling and reducing the energy consumption of the air conditioner at the same time, based on reducing the energy consumption of the air conditioner, the effect of prolonging the cooling time of the air conditioner can be further achieved, wherein the current fan rotating speed of the fan 104 can be the preset fan rotating speed when the air conditioner is started, can also be the fan rotating speed before adjustment, can also be the fan rotating speed after previous adjustment, and the current water pump rotating speed of the water pump 103 can be the preset water pump rotating speed when the air conditioner is started, can also be the water pump rotating speed before adjustment, and can also be the water pump rotating speed after previous adjustment.
Optionally, when the controller controls the water pump 103 to operate according to the target water pump rotation speed, the controller may control the water pump rotation speed of the water pump 103 by adjusting a water pump duty ratio of the water pump 103, where the larger the water pump duty ratio is, the higher the water pump rotation speed is, the smaller the water pump duty ratio is, and the lower the water pump rotation speed is.
Optionally, the air conditioner further includes a compressor 106, a first heat exchanger 107, a throttling device 108 and a second heat exchanger 109 which are connected in sequence, the second heat exchanger 109 is the ice making device disposed in the water tank 101, the compressor 106, the first heat exchanger 107, the throttling device 108 and the second heat exchanger 109 are used for making the water in the water tank 101 into ice to store cold energy in the water tank 101, the second heat exchanger 110 includes a heat exchange pipe, a refrigerant is disposed in the heat exchange pipe, and water is disposed outside the heat exchange pipe.
Optionally, referring to fig. 2, the air conditioner further includes a mother machine 100 and a sub-machine 200, the sub-machine 200 and the mother machine 100 are separately disposed, the sub-machine 200 is detachably connected to the mother machine 100, the compressor 106 and the first heat exchanger 107 are disposed in the mother machine 100, the second heat exchanger 110, the water tank 101101, the cooling heat exchanger 102, and the water pump 103 are all disposed in the sub-machine 200, when refrigeration is required, the compressor 106 and the first heat exchanger 107 in the mother machine 100 are controlled to be turned on, after the compressor 106 is turned on, the medium-temperature and medium-pressure refrigerant is converted into a high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is introduced into the first heat exchanger 107, since the temperature of the external air flow is lower than the temperature of the refrigerant, after the high-temperature and high-pressure refrigerant transfers heat to the external air flow, the temperature is reduced, and the refrigerant with the reduced temperature flows into the second heat exchanger 109 of the sub-machine 200 through the throttling device 108, the water in the water tank 101 of the slave set 200 is made into ice by exchanging heat with the refrigerant in the second heat exchanger 109, and when cooling is necessary, the slave set 200 performs cooling.
Optionally, in another embodiment, the compressor 106, the first heat exchanger 107, the second heat exchanger 109, the water tank 101, the cooling heat exchanger 102, and the water pump 103 may be disposed in the sub-machine 200, in which case, the sub-machine 200 may perform independent cooling and independent cooling, and the main machine 100 may be used for supplying power.
Referring to fig. 3, fig. 3 also shows a schematic diagram of the sub-machine 200, wherein the sub-machine 200 includes an air inlet 115 and an air outlet, and the air outlet includes an upper air outlet 114 and a front air outlet 116.
Optionally, referring to fig. 4, fig. 4 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present application.
The terminal of the embodiment of the invention is an air conditioner.
As shown in fig. 4, the air conditioner may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. The communication bus 1002 is used to implement connection communication among these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., a WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001 described previously.
Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 4 is not intended to be limiting of the air conditioner and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 4, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a control program of an air conditioner.
In the air conditioner shown in fig. 4, the network interface 1004 is mainly used for connecting a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call a control program of the air conditioner stored in the memory 1005 and perform the following operations:
after the water pump is started, acquiring a first temperature difference value between the current environment temperature and the set temperature;
and determining a target operation parameter of the air conditioner according to the first temperature difference, wherein the operation parameter comprises at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump.
First embodiment
Referring to fig. 5, based on the air conditioner described above, a control method of an air conditioner according to a first embodiment of the present invention includes:
step S10, after the water pump is started, acquiring a first temperature difference value between the current environment temperature and the set temperature;
and step S20, determining target operation parameters of the air conditioner according to the first temperature difference, wherein the operation parameters comprise at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump.
In this embodiment, the air conditioner comprises a water tank, a cooling heat exchanger and a water pump, wherein an ice making device is arranged in the water tank, the cooling heat exchanger is connected with the water tank through a pipeline, the water pump is arranged on the pipeline and used for conveying water in the water tank to the cooling heat exchanger, after a cooling instruction is received, the water pump in the air conditioner is started to convey the water in the water tank to the cooling heat exchanger through the water pump, heat exchange is carried out on the water and external air flow through the cooling heat exchanger so as to transfer the cold quantity of the water to the outside, and then the cooled water is returned to the water tank through the pipeline, so that circulation is realized, and the cooling effect on the outside is realized.
Optionally, the current ambient temperature may be an ambient temperature before cooling, or may be an ambient temperature after cooling, where the set temperature may be set by a user, or may be a default temperature, where the default temperature is 26 ℃.
Optionally, after the water pump is started, determining a target operation parameter of the air conditioner according to a first temperature difference between the current environment temperature and a set temperature, where the operation parameter includes at least one of a fan rotation speed of a fan corresponding to the cooling heat exchanger and a water pump rotation speed of the water pump, and the target operation parameter includes at least one of a target fan rotation speed of the fan and a target water pump rotation speed of the water pump.
Alternatively, referring to fig. 6, the step S20 includes:
step S21, acquiring a target temperature interval where the first temperature difference value is located;
step S22, determining a target operation parameter corresponding to the target temperature interval according to a preset relationship between the temperature interval and the operation parameter, and using the target operation parameter as a target operation parameter of the air conditioner, wherein the larger the first temperature difference is, the larger the value of the target operation parameter is.
Optionally, a preset number of temperature intervals are stored in a memory of the air conditioner, the temperature ranges corresponding to different temperature intervals are different, after the first temperature difference is obtained, the first temperature difference is compared with the temperature ranges corresponding to the temperature intervals to determine a target temperature interval where the first temperature difference is located, optionally, the preset number of the temperature intervals can be set by a manufacturer in a user-defined manner, and the embodiment is not limited herein. For a better understanding of the present invention, this example provides an alternative embodiment in which the air conditioner includes five temperature zones. The present invention will be explained below based on an air conditioner including five temperature zones.
Optionally, the preset number of temperature intervals in the temperature space stored by the memory is represented by a first temperature interval, a second temperature interval, a third temperature interval, a fourth temperature interval and a fifth temperature interval, wherein the temperature range of the first temperature interval may be [ t >2 ℃ ], the temperature range of the second temperature interval may be [1 ℃ ≦ t ≦ 2 ℃ ], the temperature range of the third temperature interval may be [0 ≦ t <1 ℃ ], the temperature range of the fourth temperature interval may be [ -1 ≦ t <0 ℃), and the temperature range of the fifth temperature interval may be [ t < -1 ℃ ].
Optionally, a preset relationship between a temperature interval and an operating parameter is further stored in a memory of the air conditioner, the preset relationship between the temperature interval and the operating parameter includes operating parameters corresponding to the temperature intervals, the operating parameters corresponding to different temperature intervals are different, the larger the temperature value in the temperature interval is, the larger the value of the operating parameter is, optionally, after the target temperature interval is obtained, the target operating parameter corresponding to the target temperature interval is determined according to the temperature interval and the preset parameter of the operating parameter, and the target operating parameter corresponding to the target temperature interval is used as the target operating parameter of the air conditioner, wherein the larger the first temperature difference is, the larger the value of the target operating parameter is.
Optionally, for example, for analysis, the preset relationship between the temperature interval and the operating parameter refers to table 1:
Figure BDA0003628481030000101
table 1
Optionally, after determining a target operation parameter of the air conditioner, controlling the air conditioner to operate with the target operation parameter, optionally, directly controlling the air conditioner to operate with the target operation parameter when the air conditioner is just started to cool down, obtaining a current operation parameter when the air conditioner is operating after the air conditioner has cooled down for a period of time, adjusting the current operation parameter to the target operation parameter, and further controlling the air conditioner to operate with a corrected operation parameter, wherein when a value of the current operation parameter is greater than a value of the target operation parameter, a value of the current operation parameter is decreased, and when the value of the current operation parameter is less than the value of the target operation parameter, the value of the current operation parameter is increased.
In the embodiment of the application, after the water pump is started, a first temperature difference value between the current environment temperature and the set temperature is obtained, the target operation parameter of the air conditioner is determined according to the first temperature difference value, and then the air conditioner is controlled to operate according to the target operation parameter, the embodiment of the application can determine the target operation parameter according to the first temperature difference value when the water pump is just started, the air conditioner is controlled to operate according to the operation parameter with a larger value when the first temperature difference value is larger so as to quickly achieve the purpose of cooling, the air conditioner is controlled to operate according to the operation parameter with a smaller value when the first temperature difference value is smaller so as to realize cooling, reduce the energy consumption of the air conditioner, wherein the energy consumption of the air conditioner comprises the cooling capacity of water in the water tank and adopts the operation parameter with a smaller value based on the smaller first temperature difference value, when the air conditioner is used for cooling, the reduction rate of the ambient temperature is slowed down, the stability of the ambient temperature is improved, and the problem that the user feels uncomfortable easily when the ambient temperature is rapidly reduced is solved, in addition, the control method of the air conditioner can also be applied to the cooling process, the operation parameter required when the air conditioner operates is determined by detecting the first temperature difference value between the current ambient temperature and the set temperature in real time and according to the first temperature difference value detected in real time so as to adjust the operation parameter in real time, when the first temperature difference value is larger, the currently required cooling capacity is higher, the numerical value of the operation parameter can be increased so as to increase the cooling capacity, so that the cooling rate is improved, when the first temperature difference value is smaller, the currently required cooling capacity is smaller, the numerical value of the operation parameter can be reduced so as to reduce the cooling capacity, so that the energy consumption of the air conditioner is reduced, the volume of putting cold based on water in the water tank is certain, and after the energy consumption of air conditioner reduced, the rate that the volume of putting cold of water in the water tank dropped reduced, and then prolonged water in the water tank and be used for putting cold put long time, in addition, this application embodiment still through presetting a plurality of temperature intervals and the temperature interval with the relation of presetting of operating parameter, through the temperature interval the fan and the water pump in the air conditioner are carried out accurate control with the relation of presetting of operating parameter combination current ambient temperature to the temperature interval, when avoiding appearing ambient temperature uncontrollable, fan rotational speed and water pump rotational speed can't satisfy the problem of putting cold demand at present to cold effect has been improved. Based on this, the control method of the air conditioner provided by the embodiment of the application not only improves the cooling effect, but also prolongs the cooling time by controlling the operation parameters of the air conditioner.
Second embodiment
Based on the first embodiment, referring to fig. 7, the second embodiment of the control method of an air conditioner of the present application further proposes a manner of determining a target operation parameter, where the step S20 includes:
step S23, acquiring a target temperature interval where the first temperature difference value is located;
step S24, determining a target fan rotating speed of the fan corresponding to the target temperature interval according to a preset relation between the temperature interval and the operation parameters;
and step S25, determining a target water pump rotating speed corresponding to the target fan rotating speed according to the preset relation between the fan rotating speed and the water pump rotating speed.
In the embodiment of the application, the target temperature interval where the first temperature difference value is located is determined according to the temperature intervals of the preset number stored in the air conditioner and the temperature ranges corresponding to the temperature intervals, the target temperature interval is determined according to the preset relation between the temperature intervals and the preset parameters, and the target fan rotating speed of the fan is determined according to the larger first temperature difference value, the larger the target fan rotating speed is.
Optionally, a preset relation between the fan rotation speed and the water pump rotation speed is further stored in the memory of the air conditioner, and the preset relation between the fan rotation speed and the water pump rotation speed includes the water pump rotation speed corresponding to each fan rotation speed, wherein the higher the fan rotation speed is, the higher the water pump rotation speed is, and in an actual cooling process, the target fan rotation speed is matched with the preset relation between the fan rotation speed and the water pump rotation speed, so that the target water pump rotation speed corresponding to the target fan rotation speed is determined.
Optionally, the preset relationship between the fan rotation speed and the water pump rotation speed further includes a water pump rotation speed frequency limit value corresponding to each fan rotation speed, wherein the higher the fan rotation speed, the higher the water pump rotation speed frequency limit value, the lower the fan rotation speed, and the lower the water pump rotation speed frequency limit value, when actually cooling down, the water pump rotation speed of the water pump is limited according to the water pump rotation speed frequency limit value, so that the energy consumption of the air conditioner is reduced, and the effects of saving energy and prolonging the cooling down time are achieved.
Optionally, for example, for analysis, the preset relationship between the fan rotation speed and the water pump rotation speed refers to table 2:
Figure BDA0003628481030000121
Figure BDA0003628481030000131
table 2
Optionally, after the target fan rotation speed is determined, a target water pump rotation speed limiting frequency value corresponding to the target fan rotation speed is determined according to a preset relation between the fan rotation speed and the water pump rotation speed, and the target water pump rotation speed of the water pump is determined according to the target water pump rotation speed limiting frequency value.
Optionally, referring to fig. 8, the preset relationship between the fan rotation speed and the water pump rotation speed includes a water pump rotation speed frequency limit value corresponding to the fan rotation speed, and the step S25 includes:
step S251, determining the initial water pump rotating speed of the water pump corresponding to the target temperature interval according to the preset relation between the temperature interval and the operation parameters;
step S252, determining a target water pump rotation speed frequency limit value corresponding to the target fan rotation speed according to a preset relation between the fan rotation speed and the water pump rotation speed;
and step 253, determining the target water pump rotating speed according to the initial water pump rotating speed and the target water pump rotating speed frequency limiting value.
Optionally, the preset relationship between the temperature interval and the operation parameter includes a corresponding relationship between the temperature interval and a rotation speed of the water pump, and the initial rotation speed of the water pump corresponding to the target temperature interval is determined according to the preset relationship between the temperature interval and the operation parameter, wherein the higher the temperature value corresponding to the temperature interval is, the higher the rotation speed of the water pump corresponding to the temperature interval is, the lower the temperature value corresponding to the temperature interval is, the lower the rotation speed of the water pump corresponding to the temperature interval is, and the larger the first temperature difference is, the larger the value of the initial rotation speed of the water pump is.
Optionally, after the initial water pump rotation speed is determined, a target water pump rotation speed frequency limit value corresponding to the target fan rotation speed is determined according to a preset relation between the fan rotation speed and the water pump rotation speed, and then the target water pump rotation speed frequency limit value is determined according to the initial water pump rotation speed and the target water pump rotation speed.
Alternatively, referring to fig. 9, the step S253 includes:
step S30, when the initial water pump rotating speed is less than or equal to the upper limit value of the target water pump rotating speed frequency limit value, determining the initial water pump rotating speed as the target water pump rotating speed;
and step S40, when the initial water pump rotating speed is greater than the upper limit value of the target water pump rotating speed frequency limiting value, determining the upper limit value as the target water pump rotating speed.
Optionally, the water pump rotation speed frequency limit value includes an upper limit value, the upper limit value is the highest water pump rotation speed corresponding to the water pump rotation speed frequency limit value, after the initial water pump rotation speed and the target water pump rotation speed frequency limit value are obtained, the upper limit value corresponding to the target water pump rotation speed frequency limit value is determined, the upper limit value is compared with the initial water pump rotation speed, and when the initial water pump rotation speed is less than or equal to the upper limit value, it is represented that the initial water pump rotation speed does not exceed the water pump rotation speed frequency limit value, and then the initial water pump rotation speed is determined as the target water pump rotation speed; and when the initial water pump rotating speed is greater than the upper limit value, determining the upper limit value as the target water pump rotating speed.
Optionally, after comparing the initial water pump rotation speed with the target water pump frequency limiting value, determining a water pump rotation speed with a smaller value as a target water pump rotation speed, where it can be understood that, based on the fact that the water pump rotation speed frequency limiting value corresponds to the fan rotation speed, the fan rotation speed corresponds to the first temperature difference value, when the first temperature difference value is smaller, the currently required cooling capacity for cooling is smaller, and when the water pump rotation speed with a smaller value is taken as the target water pump rotation speed, based on the fact that the water pump rotation speed is low, the cooling capacity discharged by the water pump becomes lower, so that the reduction rate of the cooling capacity of water in the water tank is slowed down, the consumption of the cooling capacity of the air conditioner is reduced, the purpose of saving energy is achieved, and the cooling duration is prolonged; in addition, in the actual cooling process, the rotating speed of the water pump corresponds to the rotating speed of the fan, the higher the rotating speed of the water pump is, the larger the water flow provided for the cooling heat exchanger is, and when the water flow is larger, in order to match the water flow and the fan speed to achieve the purpose of load matching, the required fan speed should be higher, and conversely, the lower the rotating speed of the water pump is, the lower the required rotating speed of the fan is, and in addition, the higher the rotating speed of the fan is, the more the water flow for the cooling heat exchanger is increased, the required water pump rotating speed is higher at this time, otherwise, the required water pump rotating speed is lower as the fan rotating speed is lower, in the embodiment of the application, by presetting the water pump rotating speed frequency limit value corresponding to the fan rotating speed, when the water pump rotating speed of the water pump is actually adjusted, the rotating speed of the water pump is controlled according to the water pump frequency limiting value, so that the load matching capacity of the air conditioner is improved, and the purpose of energy conservation is achieved. In addition, when the first temperature difference value is large, the amount of cooling required by current cooling is large, and the target water pump frequency limit value is set to be the rotating speed infinite frequency, so that the purpose of rapid cooling is achieved, and the cooling effect is improved.
In the embodiment of the application, through setting the preset relation between the temperature range and the operation parameter and the preset relation between the fan rotating speed and the water pump rotating speed, in the target temperature range where the first temperature difference value is determined, firstly determining the target fan rotating speed of the fan corresponding to the target temperature range according to the preset relation between the temperature range and the operation parameter, then determining the target water pump rotating speed corresponding to the target fan rotating speed according to the preset relation between the fan rotating speed and the water pump rotating speed, and accurately controlling the fan in the air conditioner through the preset relation between the temperature range and the operation parameter and combining the current environment temperature to avoid the problem that the cooling time is short because the current cooling demand cannot be met or the fan rotating speed exceeds the cooling demand when the environment temperature is uncontrollable, and in addition, determining the target rotating speed of the water pump through the preset relation between the fan rotating speed and the water pump rotating speed, the matching load capacity of the air conditioner is improved, and the purpose of energy conservation is achieved, so that the cooling time is prolonged.
Third embodiment
Based on the above embodiment, referring to fig. 10, the step S20 includes:
step S26, determining a temperature compensation value;
step S27, adjusting the first temperature difference value according to the temperature compensation value;
and step S28, determining the target operation parameter according to the adjusted first temperature difference value.
In this application embodiment, the temperature compensation value can be user-defined setting when opening the air conditioner and put cold, can also be according to putting the cold mode and confirming, put the cold mode including cool mode, automatic cold mode and the economy mode of putting cold, wherein, the temperature compensation value that the different cold modes of putting correspond is different, cool temperature compensation value that the mode of putting cold corresponds is less than the temperature compensation value that the automatic cold mode of putting corresponds, the temperature compensation value that the automatic cold mode of putting corresponds is less than the temperature compensation value that the economy mode of putting cold corresponds. Optionally, the temperature compensation value corresponding to each cooling mode may be set by a manufacturer in a customized manner, which is not limited herein. To better understand the present invention, this example provides an alternative embodiment, in which the temperature compensation value corresponding to the cool cooling mode is 2 ℃, the temperature compensation value corresponding to the automatic cooling mode is 0 ℃, and the temperature compensation value corresponding to the economic operation mode is-2 ℃.
Optionally, after the temperature compensation value is determined, the first temperature difference value is adjusted according to the temperature compensation value, the target operation parameter is determined according to the adjusted first temperature difference value, specifically, the adjusted first temperature compensation value is obtained by adding the first temperature difference value to the temperature compensation value, a target temperature interval where the adjusted first temperature difference value is located is obtained, the target operation parameter is determined according to a preset relation between the temperature interval and the operation parameter, or the target fan rotating speed of the fan corresponding to the target temperature interval is determined according to a preset relation between the temperature interval and the operation parameter, and the target water pump rotating speed corresponding to the target fan rotating speed is determined according to a preset relation between the fan rotating speed and the water pump rotating speed.
Optionally, in a further embodiment, the temperature compensation value may also be determined according to a first temperature difference between the current ambient temperature and the set temperature, where the larger the first temperature difference, the smaller the corresponding temperature compensation value, and the smaller the first temperature difference, the larger the corresponding temperature compensation value, for example: the first temperature difference is 10 ℃, the corresponding temperature compensation value is-10 ℃, the first temperature difference is-2 ℃, and the corresponding temperature compensation value is 2 ℃.
Alternatively, referring to fig. 11, the step S26 includes:
step S261, obtaining a target temperature difference value between the first temperature difference value and a preset temperature difference value;
step S262, determining a temperature compensation value corresponding to the target temperature difference value according to a preset relation between the temperature difference value and the temperature compensation value; wherein, the larger the target temperature difference is, the larger the temperature compensation value is.
Optionally, the target temperature difference is a difference between the first temperature difference and a preset temperature difference, the larger the target temperature difference, the larger the first temperature difference is, the higher the current environment temperature is than the set temperature, and the smaller the target temperature difference is, the smaller the first temperature difference is, the closer the current environment temperature is to the set temperature or the lower the current environment temperature is than the set temperature.
Optionally, a preset relationship between a temperature difference value and a temperature compensation value is further stored in the memory of the air conditioner, the preset relationship between the temperature difference value and the temperature compensation value includes a temperature compensation value corresponding to the temperature difference value, and after the target temperature difference value is determined, the temperature compensation value corresponding to the target temperature difference value is determined according to the preset relationship between the temperature difference value and the temperature compensation value, wherein the larger the target temperature difference value is, the larger the temperature compensation value is, optionally, the preset temperature difference value is used for determining whether compensation needs to be performed on the first temperature difference value, wherein the compensation manner includes positive compensation and negative compensation, the positive compensation indicates that the temperature compensation value is a positive value, the negative compensation indicates that the temperature compensation value is a negative value, it can be understood that when the target temperature difference value is larger, the higher the first temperature difference value is greater than the preset temperature difference value, the higher the current ambient temperature is greater than the set temperature, at this time, the higher the required cooling capacity is, the more the first temperature difference is, the larger the value of the target operation parameter is, and the larger the value of the target operation parameter is determined based on the increased first temperature difference, so that the output of the cooling capacity is increased and the cooling rate is increased; conversely, when the target temperature difference is smaller, the first temperature difference is lower than the preset temperature difference, the current environment temperature is lower than the set temperature, the required cooling capacity is smaller, the first temperature difference is subjected to negative compensation to reduce the first temperature difference, and the smaller the first temperature difference is, the smaller the value of the target operation parameter is, and the smaller the value of the determined target operation parameter is based on the reduction of the first temperature difference, so that the energy consumption of the air conditioner is reduced, and the purpose of delaying the cooling time duration is achieved.
Optionally, for example, the preset relationship between the temperature difference value and the temperature compensation value refers to table 3:
Figure BDA0003628481030000161
Figure BDA0003628481030000171
table 3
Alternatively, the values in table 3 are analyzed by way of example only.
In the embodiment of the present application, when obtaining the first temperature difference, determining the temperature compensation value, wherein determining the temperature compensation value includes determining a target temperature difference according to the first temperature difference and a preset temperature difference, compensating the first temperature difference according to the temperature compensation value to adjust the first temperature difference, determining the target operating parameter according to the adjusted first temperature difference, when the current ambient temperature is far higher than the set temperature, by performing positive compensation on the first temperature difference, based on increasing the first temperature difference, the value of the target operating parameter is also increased, thereby increasing the cooling rate of the air conditioner, and achieving the purpose of quick cooling when the ambient temperature is high, and further, when the current ambient temperature is far lower than the set temperature, by performing negative compensation on the first temperature difference, based on decreasing the first temperature difference, the numerical value of the target operation parameter is also reduced, so that the effects of saving energy and prolonging the cooling time are achieved.
Fourth embodiment
Referring to fig. 12, based on the above embodiment, the air conditioner further includes a compressor, a first heat exchanger, a throttling device, and a second heat exchanger, which are connected in sequence, where the second heat exchanger is the ice making device disposed in the first water tank, and the control method of the air conditioner further includes:
step S50, acquiring a water temperature difference value of the water temperature after cooling and the water temperature before cooling and a target water temperature difference value corresponding to the current fan rotating speed of the fan of the air conditioner;
step S60, when the water temperature difference between the water temperature after cooling and the water temperature before cooling is greater than or equal to the target water temperature difference, starting the compressor for refrigeration;
and step S70, when the water temperature difference value between the water temperature after the cooling and the water temperature before the cooling is smaller than the target water temperature difference value, returning to the step of obtaining the first temperature difference value between the current environment temperature and the set temperature.
Optionally, the temperature of water in a water tank of the air conditioner gradually increases along with continuous cooling, the cooling capacity of the air conditioner gradually decreases along with continuous cooling, when the cooling capacity decreases to be lower than a preset threshold value, the air conditioner cannot cool the outside, at this time, the air conditioner needs to be controlled to refrigerate, that is, the compressor is started, and refrigeration is performed through the compressor, the first heat exchanger, the throttling device and the second heat exchanger.
Optionally, for accurate control the refrigeration operation of air conditioner prevents that the cold volume of putting that the air conditioner corresponds from still can putting the cold back to the external world, has triggered the refrigeration operation, this moment the water pump of air conditioner stops, leads to the unable problem of putting the cold to the external world, and this application embodiment judges whether to close the water pump through the temperature before the cold is put to the temperature after putting the cold that detects to start compressor refrigeration.
Optionally, the water temperature before cooling is the temperature at which water enters the cooling heat exchanger from the water tank and heat exchange with the external airflow is not performed yet, and the water temperature after cooling is the temperature at which water and the external airflow perform heat exchange, it can be understood that when water and the external airflow perform heat exchange, the higher the water temperature before cooling is, the smaller the temperature difference between the water temperature before cooling and the ambient temperature is, that is, when water and the external airflow perform heat exchange, the less cooling capacity can be output, when the output cooling capacity is smaller, the lower the reduction of the water temperature is, the higher the water temperature after cooling is, and further the greater the difference between the water temperature after cooling and the water temperature before cooling is, on the contrary, the lower the water temperature before cooling is, the greater the temperature difference between the water temperature before cooling and the ambient temperature is, that is, when water and the external airflow perform heat exchange, the more cooling capacity can be output, and when the output cooling capacity is greater, the higher the decrease amount of the water temperature is, the lower the water temperature after cooling is, and the smaller the difference between the water temperature after cooling and the water temperature before cooling is.
Optionally, after determining the water temperature after cooling and the water temperature difference before cooling, the water temperature difference may be compared with a preset water temperature difference, when the water temperature difference is greater than or equal to the preset water temperature difference, the compressor is started to refrigerate if the cooling amount of the representative water cannot meet the cooling requirement, otherwise, when the water temperature difference is smaller than the preset water temperature difference, the cooling amount of the representative water still can meet the cooling requirement, and the step of obtaining the first temperature difference between the current ambient temperature and the set temperature is returned to be executed to adjust the operating parameters of the air conditioner in real time according to the first temperature difference, wherein the preset water temperature difference may be set by a manufacturer in a customized manner.
Optionally, in another embodiment, after determining the water temperature after the cooling and the water temperature difference before the cooling, a current fan rotation speed of a fan of the air conditioner is obtained, a target water temperature difference corresponding to the current fan rotation speed is determined according to the current fan rotation speed, when the water temperature difference is greater than or equal to the target water temperature difference, the compressor is started to perform cooling if the cooling amount of water fails to meet the cooling requirement, otherwise, when the water temperature difference is less than the target preset water temperature difference, the cooling amount of water still meets the cooling requirement, and the step of obtaining the first temperature difference between the current ambient temperature and the set temperature is performed to adjust the operating parameters of the air conditioner in real time according to the first temperature difference, where the current fan rotation speed may be the target fan rotation speed determined in the foregoing embodiment.
Optionally, the cooling capacity of the water corresponds to the fan rotating speed of the fan, and when the water amount flowing to the cooling heat exchanger is equal, the higher the fan rotating speed is, the higher the circulating air quantity of the fan is, and further the cooling capacity is, the lower the fan rotating speed is, the lower the circulating air quantity of the fan is, and further the cooling capacity is less; in addition, the falling amount of the water temperature corresponds to the cooling amount, the water temperature after cooling corresponds to the falling amount of the water temperature, when the water amount flowing to the cooling heat exchanger is equal, the more the cooling amount is, the higher the falling amount of the water temperature is, the lower the water temperature after cooling is, the less the cooling amount is, the less the falling amount of the water temperature is, and the higher the water temperature after cooling is.
Optionally, when the water temperature difference is greater than or equal to the target water temperature difference, the water temperature decrease amount before cooling is lower than the water temperature decrease amount when the current fan rotating speed is reached, that is, the cooling amount of the water currently conveyed to the cooling heat exchanger is lower than the cooling amount to be output corresponding to the current fan rotating speed, so that it can be determined that the cooling amount of the water currently conveyed to the cooling heat exchanger is small, and it can be deduced that the water temperature of the water in the water tank is too high to continue cooling the outside, and at this time, the compressor is controlled to refrigerate, so as to lower the temperature of the water in the water tank, and ensure subsequent cooling.
In this application embodiment, through the temperature difference value of the temperature after the real-time detection is let cool and the temperature before putting cool to confirm the target temperature difference value that current fan rotational speed corresponds, will the temperature difference value with target temperature difference value is compared the temperature difference value of the temperature after putting cool and the temperature difference value of the temperature before putting cool is greater than or equal to during the target temperature difference value, start the compressor refrigeration the temperature after putting cool and the temperature difference value of the temperature before putting cool are less than during the target temperature difference value, return the execution the step of obtaining the first temperature difference value of current ambient temperature and settlement temperature starts through temperature difference value and current fan rotational speed the compressor refrigeration has improved the refrigerated degree of automation and flexibility of air conditioner.
Furthermore, an embodiment of the present invention also provides a computer-readable storage medium, on which a control program of an air conditioner is stored, which, when executed by a processor, implements the steps of the various embodiments described above.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The control method of the air conditioner is characterized in that the air conditioner comprises a water tank, a cooling heat exchanger and a water pump, wherein an ice making device is arranged in the water tank, the cooling heat exchanger is connected with the water tank through a pipeline, the water pump is arranged on the pipeline, and the water pump is used for conveying water in the water tank to the cooling heat exchanger; the control method of the air conditioner includes the steps of:
after the water pump is started, acquiring a first temperature difference value between the current environment temperature and a set temperature;
and determining a target operation parameter of the air conditioner according to the first temperature difference, wherein the operation parameter comprises at least one of the fan rotating speed of a fan corresponding to the cooling heat exchanger and the water pump rotating speed of the water pump.
2. The control method of an air conditioner according to claim 1, wherein the step of determining the target operation parameter of the air conditioner according to the first temperature difference value comprises:
acquiring a target temperature interval where the first temperature difference value is located;
and determining a target operation parameter corresponding to the target temperature interval according to a preset relation between the temperature interval and the operation parameter, and taking the target operation parameter as the target operation parameter of the air conditioner, wherein the larger the first temperature difference value is, the larger the value of the target operation parameter is.
3. The method of claim 1, wherein the operation parameters include a fan speed of a fan corresponding to the heat exchanger and a water pump speed of the water pump, and the step of determining the target operation parameter of the air conditioner according to the first temperature difference includes:
acquiring a target temperature interval where the first temperature difference value is located;
determining a target fan rotating speed of the fan corresponding to the target temperature interval according to a preset relation between the temperature interval and the operation parameter;
and determining a target water pump rotating speed corresponding to the target fan rotating speed according to a preset relation between the fan rotating speed and the water pump rotating speed.
4. The method as claimed in claim 3, wherein the preset relationship between the fan speed and the water pump speed includes a water pump speed limit frequency corresponding to the fan speed, and the step of determining the target water pump speed corresponding to the target speed according to the preset relationship between the fan speed and the water pump speed includes:
determining the initial water pump rotating speed of the water pump corresponding to the target temperature interval according to the preset relation between the temperature interval and the operation parameters;
determining a target water pump rotating speed frequency limiting value corresponding to the target fan rotating speed according to a preset relation between the fan rotating speed and the water pump rotating speed;
and determining the target water pump rotating speed according to the initial water pump rotating speed and the target water pump rotating speed frequency limiting value.
5. The control method of an air conditioner according to claim 4, wherein the step of determining the target water pump rotation speed based on the initial water pump rotation speed and the target water pump rotation speed frequency limit value comprises:
when the initial water pump rotating speed is less than or equal to the upper limit value of the target water pump rotating speed limit value, determining the initial water pump rotating speed as the target water pump rotating speed;
and when the initial water pump rotating speed is greater than the upper limit value of the target water pump rotating speed frequency limit value, determining the upper limit value as the target water pump rotating speed.
6. The control method of an air conditioner according to claim 1, wherein the step of determining the target operation parameter of the air conditioner according to the first temperature difference value comprises:
determining a temperature compensation value;
adjusting the first temperature difference value according to the temperature compensation value;
and determining the target operation parameter according to the adjusted first temperature difference value.
7. The control method of an air conditioner according to claim 5, wherein the step of determining the temperature compensation value comprises:
acquiring a target temperature difference value of the first temperature difference value and a preset temperature difference value;
determining a temperature compensation value corresponding to the target temperature difference value according to a preset relation between the temperature difference value and the temperature compensation value; wherein, the larger the target temperature difference is, the larger the temperature compensation value is.
8. The method of controlling an air conditioner according to claim 1, wherein the air conditioner further comprises a compressor, a first heat exchanger, a throttling device, and a second heat exchanger connected in this order, the second heat exchanger being the ice making device provided in the first water tank, the method further comprising:
acquiring a water temperature difference value of water temperature after cooling and water temperature before cooling and a target water temperature difference value corresponding to the current fan rotating speed of a fan of the air conditioner;
when the water temperature difference value of the water temperature after the cooling and the water temperature before the cooling is greater than or equal to the target water temperature difference value, starting the compressor for refrigeration;
and when the water temperature difference value between the water temperature after cooling and the water temperature before cooling is smaller than the target water temperature difference value, returning to execute the step of obtaining the first temperature difference value between the current environment temperature and the set temperature.
9. An air conditioner, characterized in that the air conditioner comprises: a memory, a processor and a control program of an air conditioner stored on the memory and executable on the processor, the control program of the air conditioner implementing the steps of the control method of the air conditioner as claimed in any one of claims 1 to 8 when executed by the processor.
10. A computer-readable storage medium, characterized in that a control program of an air conditioner is stored thereon, which when executed by a processor, implements the steps of the control method of an air conditioner according to any one of claims 1 to 8.
CN202210482685.2A 2022-05-05 2022-05-05 Control method of air conditioner, air conditioner and computer readable storage medium Pending CN114777237A (en)

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WO2024078041A1 (en) * 2022-10-11 2024-04-18 广东美的制冷设备有限公司 Method for controlling air conditioner, and air conditioner and computer-readable storage medium
WO2024078040A1 (en) * 2022-10-11 2024-04-18 广东美的制冷设备有限公司 Air conditioner control method based on operating power, and air conditioner and readable storage medium

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TW201721062A (en) * 2015-12-01 2017-06-16 九合工程股份有限公司 A central control unit has multiple small cooler of ice water air conditioning system
CN107143967A (en) * 2017-04-08 2017-09-08 云南师范大学 One drags the control system of many photovoltaic cold storage of ice making air-conditionings
CN112082238A (en) * 2020-09-30 2020-12-15 美的集团股份有限公司 Control method of mobile air conditioner, mobile air conditioner and storage medium

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CN1629556A (en) * 2003-12-19 2005-06-22 珠海福士得冷气工程有限公司 Energy-saving central air conditioning system
TW201721062A (en) * 2015-12-01 2017-06-16 九合工程股份有限公司 A central control unit has multiple small cooler of ice water air conditioning system
CN107143967A (en) * 2017-04-08 2017-09-08 云南师范大学 One drags the control system of many photovoltaic cold storage of ice making air-conditionings
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* Cited by examiner, † Cited by third party
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WO2024078041A1 (en) * 2022-10-11 2024-04-18 广东美的制冷设备有限公司 Method for controlling air conditioner, and air conditioner and computer-readable storage medium
WO2024078040A1 (en) * 2022-10-11 2024-04-18 广东美的制冷设备有限公司 Air conditioner control method based on operating power, and air conditioner and readable storage medium

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