CN109520082B - Air conditioner control method, air conditioner and computer readable storage medium - Google Patents
Air conditioner control method, air conditioner and computer readable storage medium Download PDFInfo
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- CN109520082B CN109520082B CN201811324409.3A CN201811324409A CN109520082B CN 109520082 B CN109520082 B CN 109520082B CN 201811324409 A CN201811324409 A CN 201811324409A CN 109520082 B CN109520082 B CN 109520082B
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
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Abstract
The invention discloses an air conditioner control method, which comprises the following steps: when the air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator; when the operation time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the indoor environment and a second evaporator temperature of the indoor evaporator; determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature; and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner. The invention also discloses an air conditioner and a computer readable storage medium. The invention can accurately determine that the air conditioner is in an abnormal state according to the corresponding indoor temperature of the air conditioner and the temperature of the indoor evaporator, so as to effectively solve the problem that the air conditioner is damaged because an installer does not open the high-low pressure valve.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to an air conditioner control method, an air conditioner, and a computer-readable storage medium.
Background
With the widespread application of household air conditioners, the market of household air conditioners is huge, the installation of the air conditioners is more important for the household air conditioners, and in the actual installation, an operator may forget to open a high-low pressure valve of an air conditioner outdoor unit after the installation is completed.
At present, because domestic air conditioner generally uses highly compressed refrigerant, if the air conditioner moves under the state that high low pressure valve does not open, the compressor of air conditioner is because there is not refrigerant endless cooling, and the temperature of compressor can rise fast in the short time, can cause compressor coil high temperature to burn out when serious.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide an air conditioner control method, an air conditioner and a computer readable storage medium, and aims to solve the technical problem that the temperature of a compressor is rapidly increased due to the fact that a high-low pressure valve is not opened after the air conditioner is installed.
In order to achieve the above object, the present invention provides an air conditioner control method, including the steps of:
when an air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator of the air conditioner;
when the operation time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the indoor evaporator;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
In one embodiment, the step of determining whether the refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature includes:
calculating a first indoor temperature difference between the first indoor temperature and the second indoor temperature, and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference.
In one embodiment, the step of determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference includes:
determining whether the first indoor temperature difference is less than or equal to a first preset temperature difference;
when the first indoor temperature difference is less than or equal to the first preset temperature difference, it is determined whether the first evaporator temperature difference is less than or equal to the second preset temperature difference, wherein when the first evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined that the refrigeration system is in an abnormal state.
In one embodiment, the first predetermined temperature difference ranges from 0.5 ℃ to 10 ℃, and the second predetermined temperature difference ranges from 0.5 ℃ to 15 ℃.
In an embodiment, the step of sending a prompt message to a preset terminal corresponding to the air conditioner when it is determined that the refrigeration system is in an abnormal state includes:
when the refrigeration system is determined to be in an abnormal state, if the duration of the refrigeration system after being determined to be in the abnormal state reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator, wherein the second preset duration is longer than the first preset duration;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, a third indoor temperature, a first evaporator temperature, and the third evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
In one embodiment, the step of determining whether the refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature includes:
calculating a second indoor temperature difference between the first indoor temperature and the third indoor temperature, and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference.
In one embodiment, the step of determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference includes:
determining whether the second indoor temperature difference is less than or equal to a first preset temperature difference;
when the indoor difference in temperature of second is less than or equal to first preset difference in temperature, confirm whether the second evaporator difference in temperature is less than or equal to second preset difference in temperature, wherein, when the second evaporator difference in temperature is less than or equal to second preset difference in temperature, confirm refrigerating system is in abnormal state.
In an embodiment, the second preset time period is a sum of the first preset time period and a third preset time period.
In one embodiment, the first predetermined time period is in a range of 3 to 60 minutes.
Further, to achieve the above object, the present invention also provides an air conditioner including: the air conditioner control method comprises a memory, a processor and an air conditioner control program which is stored on the memory and can run on the processor, wherein the air conditioner control program realizes the steps of the air conditioner control method 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 an air conditioner control program, which when executed by a processor, implements the steps of the aforementioned air conditioner control method.
The invention obtains the first indoor temperature of the indoor environment of the air conditioner and the first evaporator temperature of the indoor evaporator of the air conditioner when the air conditioner is started, then obtains the second indoor temperature of the indoor environment and the second evaporator temperature of the indoor evaporator when the running time of the air conditioner reaches the first preset time, then determines whether the refrigeration system of the air conditioner is in an abnormal state or not based on the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature, and then sends prompt information to the preset terminal corresponding to the air conditioner when determining that the refrigeration system is in the abnormal state, thereby accurately determining that the air conditioner is in the abnormal state according to the indoor temperature corresponding to the air conditioner and the temperature of the indoor evaporator, and timely checking that the refrigeration system of the air conditioner is abnormal because the outdoor unit of the air conditioner is not opened, and sending prompt information to inform maintenance personnel to solve the problem so as to effectively solve the problem that the air conditioner is damaged because the high-low pressure valve is not opened by installation personnel.
Drawings
FIG. 1 is a schematic diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
fig. 3 is a detailed flowchart of the step of determining whether the refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature according to the second embodiment of the air conditioner control method of the present invention;
fig. 4 is a detailed flowchart of the step of determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference in the third embodiment of the air conditioner controlling method according to the present invention;
fig. 5 is a detailed flowchart illustrating a step of sending a prompt message to a preset terminal corresponding to the air conditioner when it is determined that the refrigeration system is in an abnormal state according to a fourth embodiment of the air conditioner control method of the present invention;
fig. 6 is a detailed flowchart of the step of determining whether the refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature according to the fifth embodiment of the air conditioner control method of the present invention;
fig. 7 is a detailed flowchart of the step of determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference in the sixth embodiment of the air conditioner control method according to 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
The method collects the first indoor temperature of the indoor environment and the first evaporator temperature of the indoor evaporator when the air conditioner is started, collecting a second indoor temperature of the indoor environment and a second evaporator temperature of the indoor evaporator after the air conditioner operates for a first preset time, determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature, and when the refrigeration system is determined to be in the abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner, accurately determining that the air conditioner is in the abnormal state according to the indoor temperature corresponding to the air conditioner and the temperature of the indoor evaporator, through sending the prompt message to inform maintainer to solve, with effectively solving because of installer does not open the high low pressure valve and the damage that causes the air conditioner.
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
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 shown in fig. 1, fig. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, 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. Wherein a communication bus 1002 is used to enable connective communication between 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., 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.
Optionally, the air conditioner may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Of course, the air conditioner may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which are not described herein again.
Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 1 is not intended to be limiting of the air conditioner and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, 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 an air conditioner control program.
In the air conditioner shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend 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 used to call the air conditioner control program stored in the memory 1005.
In the present embodiment, an air conditioner includes: a memory 1005, a processor 1001, and an air conditioner control program stored in the memory 1005 and operable on the processor 1001, wherein the processor 1001 calls the air conditioner control program stored in the memory 1005 and performs the following operations:
when an air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator of the air conditioner;
when the operation time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the indoor evaporator;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
calculating a first indoor temperature difference between the first indoor temperature and the second indoor temperature, and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
determining whether the first indoor temperature difference is less than or equal to a first preset temperature difference;
when the first indoor temperature difference is less than or equal to the first preset temperature difference, it is determined whether the first evaporator temperature difference is less than or equal to the second preset temperature difference, wherein when the first evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined that the refrigeration system is in an abnormal state.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
when the refrigeration system is determined to be in an abnormal state, if the duration of the refrigeration system after being determined to be in the abnormal state reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator, wherein the second preset duration is longer than the first preset duration;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, a third indoor temperature, a first evaporator temperature, and the third evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
calculating a second indoor temperature difference between the first indoor temperature and the third indoor temperature, and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
determining whether the second indoor temperature difference is less than or equal to a first preset temperature difference;
when the indoor difference in temperature of second is less than or equal to first preset difference in temperature, confirm whether the second evaporator difference in temperature is less than or equal to second preset difference in temperature, wherein, when the second evaporator difference in temperature is less than or equal to second preset difference in temperature, confirm refrigerating system is in abnormal state.
The invention also provides an air conditioner control method, and referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the air conditioner control method of the invention.
In this embodiment, the air conditioner control method includes:
step S100, when an air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator of the air conditioner;
in this embodiment, after the air conditioner is installed, an installer may perform a power-on operation on the air conditioner, and obtain a first indoor temperature of an indoor environment where the air conditioner is currently located and a first evaporator temperature of an indoor evaporator of the air conditioner when the air conditioner is in a power-on operation, that is, a cooling operation.
Specifically, the air conditioner can be provided with a first temperature sensor for monitoring the temperature of the indoor environment and a second temperature sensor for monitoring the temperature of the indoor evaporator, when the air conditioner is started to run, namely, during refrigerating running, the first indoor temperature of the indoor environment is obtained through the current detection result of the first temperature sensor, and the first evaporator temperature of the indoor evaporator is obtained through the current detection result of the second temperature sensor.
Step S200, when the operation duration of the air conditioner reaches a first preset duration, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the indoor evaporator;
in this embodiment, when the air conditioner is started to operate, i.e., when the air conditioner is operated to cool, the continuous operation time of the air conditioner is accumulated in real time, and whether the operation time reaches a first preset time is determined. And if the running time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the inner evaporator. Specifically, when the operation duration of the air conditioner reaches a first preset duration, a second indoor temperature of the indoor environment is obtained according to a detection result of the first temperature sensor at the current moment, and a second evaporator temperature of the indoor evaporator is obtained according to a detection result of the second temperature sensor at the current moment.
The first preset time period can be reasonably set, for example, the range of the first preset time period is 3-60 minutes, and the initial time of the pressure rise of a refrigeration system of the air conditioner from the beginning of starting needs less than 3 minutes, so the first preset time period is more than 3 minutes; when the air conditioner operates for 60 minutes in a refrigerating mode, if a high-low pressure valve of an outdoor unit of the air conditioner is not opened, the temperature of a compressor can be quickly increased in a short time, the pressure of a refrigerating system is too high, and the compressor is demagnetized at a high temperature, so that the first preset time is less than 60 minutes; specifically, the first preset time period may be set to 20 minutes, 30 minutes, or the like.
Step S300, determining whether a refrigeration system of the air conditioner is in an abnormal state or not based on the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature;
in this embodiment, when the second indoor temperature and the second evaporator temperature are obtained, whether the refrigeration system of the air conditioner is in an abnormal state is determined according to the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature, and whether the high-low pressure valve of the outdoor unit of the air conditioner is opened can be determined under the condition that the first temperature sensor and the second temperature sensor are normal.
Specifically, a first indoor temperature difference between the first indoor temperature and the second indoor temperature and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature may be calculated, and whether the refrigeration system of the air conditioner is in an abnormal state may be determined based on a comparison result between the first indoor temperature difference and a first preset temperature difference, and between the first evaporator temperature difference and a second preset temperature difference.
And S400, when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
In this embodiment, when it is determined that the refrigeration system of the air conditioner is in an abnormal state, that is, the high-low pressure valve of the outdoor unit of the air conditioner is not opened, the notification message is sent to the preset terminal corresponding to the air conditioner, where the preset terminal is a terminal of a maintenance worker of a manufacturer to which the air conditioner belongs, so that the maintenance worker knows that the air conditioner is abnormal and performs maintenance as soon as possible, or the preset terminal is a terminal of a customer service worker of the manufacturer to which the air conditioner belongs, so that the customer worker dispatches the maintenance worker as soon as possible to perform processing after knowing that the air conditioner is abnormal.
The prompt message comprises identification information of the air conditioner and abnormal information, the identification information is used for determining the position of the air conditioner, and the abnormal information is used for describing the reason of the abnormality of the air conditioner.
In the air conditioner control method provided by this embodiment, when the air conditioner is started to operate, a first indoor temperature of an indoor environment where the air conditioner is currently located and a first evaporator temperature of an indoor evaporator of the air conditioner are obtained, then when an operation duration of the air conditioner reaches a first preset duration, a second indoor temperature of the indoor environment and a second evaporator temperature of the indoor evaporator are obtained, then based on the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature, whether a refrigeration system of the air conditioner is in an abnormal state is determined, then when it is determined that the refrigeration system is in the abnormal state, prompt information is sent to a preset terminal corresponding to the air conditioner, and it can be accurately determined that the air conditioner is in the abnormal state according to the indoor temperature corresponding to the air conditioner and the temperature of the indoor evaporator, can in time check out because the high low pressure valve of off-premises station does not open and cause air conditioner refrigerating system unusual, send the prompt message to inform maintainer to solve, in order effectively to solve because of the installer does not open the damage that high low pressure valve caused the air conditioner.
A second embodiment of the air conditioner controlling method of the present invention is proposed based on the first embodiment, and referring to fig. 3, in the present embodiment, step S300 includes:
step S310, calculating a first indoor temperature difference between the first indoor temperature and the second indoor temperature, and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature;
step S320, determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference.
In this embodiment, when the second indoor temperature and the second evaporator temperature are obtained, a first indoor temperature difference between the first indoor temperature and the second indoor temperature and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature are calculated, and whether the refrigeration system of the air conditioner is in an abnormal state is determined based on the first indoor temperature difference and the first evaporator temperature difference, specifically, whether the refrigeration system of the air conditioner is in an abnormal state is determined based on a comparison result between the first indoor temperature difference and a first preset temperature difference as well as between the first evaporator temperature difference and a second preset temperature difference, and then whether the refrigeration system of the air conditioner is abnormal is accurately determined according to the first indoor temperature difference and the first evaporator temperature difference, so that the accuracy of the abnormal detection of the refrigeration system is improved.
The first indoor temperature difference is an absolute value of a difference value between the first indoor temperature and the second indoor temperature, and the first evaporator temperature difference is an absolute value of a difference value between the first evaporator temperature and the second evaporator temperature.
The air conditioner control method provided by the embodiment is characterized in that the first indoor temperature and the first indoor temperature difference between the second indoor temperatures are calculated, the first evaporator temperature and the first evaporator temperature difference between the second evaporator temperatures are calculated, then whether the refrigeration system is in an abnormal state or not is determined based on the first indoor temperature difference and the first evaporator temperature difference, whether the refrigeration system of the air conditioner is abnormal or not can be accurately judged according to the first indoor temperature difference and the first evaporator temperature difference, and the accuracy of the abnormal detection of the refrigeration system is improved.
Based on the second embodiment, a third embodiment of the air conditioner control method of the present invention is proposed, and referring to fig. 4, in this embodiment, step S320 includes:
step S321, determining whether the first indoor temperature difference is less than or equal to a first preset temperature difference;
step S322, when the first indoor temperature difference is less than or equal to the first preset temperature difference, determining whether the first evaporator temperature difference is less than or equal to the second preset temperature difference, wherein when the first evaporator temperature difference is less than or equal to the second preset temperature difference, determining that the refrigeration system is in an abnormal state.
In this embodiment, when obtaining first indoor difference in temperature and first evaporator difference in temperature, confirm whether this first indoor difference in temperature is less than or equal to first preset difference in temperature, and be less than or equal to first preset difference in temperature at this first indoor difference in temperature, confirm whether first evaporator difference in temperature is less than or equal to second preset difference in temperature, when first evaporator difference in temperature is less than or equal to second preset difference in temperature, judge that the refrigerating system of this air conditioner is in abnormal state, and then according to first indoor difference in temperature, whether the refrigerating system of air conditioner is unusual is accurately judged to first evaporator difference in temperature, improve the accuracy that refrigerating system detects unusually.
The range of the first preset temperature difference is 0.5-10 ℃, the range of the second preset temperature difference is 0.5-15 ℃, the ranges of the first preset temperature difference and the second preset temperature difference are obtained through a large number of experiments, specifically, the first preset temperature difference can be set to be 1.5 ℃, 3 ℃, 5 ℃, 8 ℃ and the like, and the second preset temperature difference can be set to be 2.5 ℃, 5 ℃, 7 ℃, 10 ℃, 12 ℃ and the like.
In other embodiments, when the first indoor temperature difference and the first evaporator temperature difference are obtained, it may be further determined whether the first evaporator temperature difference is less than or equal to a second preset temperature difference, and when the first evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined whether the first indoor temperature difference is less than or equal to a first preset temperature difference, if the first indoor temperature difference is less than or equal to the first preset temperature difference, it is determined that the refrigeration system of the air conditioner is in an abnormal state, and then it is accurately determined whether the refrigeration system of the air conditioner is abnormal according to the first indoor temperature difference and the first evaporator temperature difference, so as to improve accuracy of abnormality detection of the refrigeration system.
The air conditioner control method provided by the embodiment determines whether the first indoor temperature difference is smaller than or equal to a first preset temperature difference or not, then determines whether the first evaporator temperature difference is smaller than or equal to a second preset temperature difference or not when the first indoor temperature difference is smaller than or equal to the first preset temperature difference, and then accurately judges whether a refrigeration system of the air conditioner is abnormal or not according to the first indoor temperature difference and the first evaporator temperature difference, so that the accuracy of the abnormal detection of the refrigeration system is further improved.
A fourth embodiment of the air conditioner controlling method of the present invention is proposed based on the first embodiment, and referring to fig. 5, in the present embodiment, step S400 includes:
step S410, when the refrigeration system is determined to be in an abnormal state, if the duration after the refrigeration system is determined to be in the abnormal state reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator, wherein the second preset duration is longer than the first preset duration;
in this embodiment, when determining that the refrigeration system is in the abnormal state according to the first indoor temperature, the second indoor temperature, the first evaporator temperature and the second evaporator temperature, the continuous operation duration of the air conditioner is accumulated in real time, and whether the duration after determining that the refrigeration system is in the abnormal state reaches a second preset duration is determined. And if the duration of the abnormal state of the refrigerating system reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator.
The second preset time period is the sum of the first preset time period and a third preset time period, and the third preset time period can be set reasonably, for example, the third preset time period can be set to 3 minutes, 5 minutes, and the like, and when the first preset time period is 20 minutes and the third preset time period is 3 minutes, the second preset time period is 23 minutes.
Step S420, determining whether a refrigeration system of the air conditioner is in an abnormal state or not based on the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature;
in this embodiment, when the third indoor temperature and the third evaporator temperature are obtained, whether the refrigeration system of the air conditioner is in an abnormal state is determined according to the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature, and whether the high-low pressure valve of the outdoor unit of the air conditioner is opened can be determined under the condition that the first temperature sensor and the second temperature sensor are normal.
Specifically, a second indoor temperature difference between the first indoor temperature and the third indoor temperature and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature can be calculated, and whether the refrigeration system of the air conditioner is in an abnormal state or not can be determined based on a comparison result between the second indoor temperature difference and the first preset temperature difference and a comparison result between the second evaporator temperature difference and the second preset temperature difference.
And step S430, when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
In this embodiment, when it is determined that the refrigeration system of the air conditioner is in an abnormal state, that is, after it is determined that the refrigeration system is in the abnormal state for the first time, the air conditioner performs refrigeration operation for a second preset time period, and the refrigeration system of the air conditioner is still in the abnormal state, a prompt message is sent to a preset terminal corresponding to the air conditioner, where the preset terminal is a terminal of a maintenance worker of a manufacturer to which the air conditioner belongs, so that the maintenance worker knows that the air conditioner is abnormal and performs maintenance as soon as possible, or the preset terminal is a terminal of a customer service worker of the manufacturer to which the air conditioner belongs, so that a customer worker dispatches the maintenance worker as soon as possible after knowing that the air conditioner is abnormal for processing.
In the air conditioner control method provided in this embodiment, when it is determined that the refrigeration system is in an abnormal state, if the duration after the current time reaches a second preset duration, a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator are obtained, where the second preset duration is longer than the first preset duration, then it is determined whether the refrigeration system of the air conditioner is in the abnormal state based on the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature, and then when it is determined that the refrigeration system is in the abnormal state, a prompt message is sent to a preset terminal corresponding to the air conditioner, and it is determined that the air conditioner is in the abnormal state twice according to the indoor temperature corresponding to the air conditioner and the temperature of the indoor evaporator, so as to accurately determine that the refrigeration system of the air conditioner is abnormal, and then can accurately check out because the high low pressure valve of off-premises station does not open and cause the air conditioner refrigerating system unusual to send the prompt message, solve with the notice maintainer of notice, with effectively solving because of the installer does not open the damage that the high low pressure valve caused the air conditioner.
Based on the fourth embodiment, a fifth embodiment of the air conditioner control method of the present invention is proposed, and referring to fig. 6, in this embodiment, step S420 includes:
step S421, calculating a second indoor temperature difference between the first indoor temperature and the third indoor temperature, and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature;
step S422, it is determined whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference.
In this embodiment, when the third indoor temperature and the third evaporator temperature are obtained, a second indoor temperature difference between the first indoor temperature and the third indoor temperature and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature are calculated, and whether the refrigeration system of the air conditioner is in an abnormal state is determined based on the second indoor temperature difference and the second evaporator temperature difference, specifically, whether the refrigeration system of the air conditioner is in an abnormal state is determined based on a comparison result between the second indoor temperature difference and the first preset temperature difference, and between the second evaporator temperature difference and the second preset temperature difference, and then whether the refrigeration system of the air conditioner is abnormal is accurately determined according to the second indoor temperature difference and the second evaporator temperature difference, so that the accuracy of abnormality detection of the refrigeration system is improved.
The second indoor temperature difference is an absolute value of a difference value between the first indoor temperature and the third indoor temperature, and the second evaporator temperature difference is an absolute value of a difference value between the first evaporator temperature and the third evaporator temperature.
According to the air conditioner control method provided by the embodiment, the second indoor temperature difference between the first indoor temperature and the third indoor temperature and the second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature are calculated, then whether the refrigeration system is in an abnormal state or not is determined based on the second indoor temperature difference and the second evaporator temperature difference, whether the refrigeration system of the air conditioner is abnormal or not can be accurately judged according to the second indoor temperature difference and the second evaporator temperature difference, and the accuracy of the abnormal detection of the refrigeration system is improved.
Based on the fifth embodiment, a sixth embodiment of the air conditioner control method of the present invention is proposed, and referring to fig. 7, in the present embodiment, step S422 includes:
step S4221, determining whether the second indoor temperature difference is less than or equal to a first preset temperature difference;
step S4222, when the second indoor temperature difference is smaller than or equal to a first preset temperature difference, determining whether the second evaporator temperature difference is smaller than or equal to a second preset temperature difference, wherein when the second evaporator temperature difference is smaller than or equal to the second preset temperature difference, determining that the refrigeration system is in an abnormal state.
In this embodiment, when obtaining the second indoor difference in temperature and the second evaporator difference in temperature, confirm whether this second indoor difference in temperature is less than or equal to first preset difference in temperature, and be less than or equal to first preset difference in temperature in this second indoor difference in temperature, confirm whether the second evaporator difference in temperature is less than or equal to second preset difference in temperature, when the second evaporator difference in temperature is less than or equal to second preset difference in temperature, judge that the refrigerating system of this air conditioner is in abnormal state, and then according to the second indoor difference in temperature, whether the refrigerating system of air conditioner is unusual is accurately judged to the second evaporator difference in temperature, improve the accuracy that refrigerating system detects unusually.
The range of the first preset temperature difference is 0.5-10 ℃, the range of the second preset temperature difference is 0.5-15 ℃, the ranges of the first preset temperature difference and the second preset temperature difference are obtained through a large number of experiments, specifically, the first preset temperature difference can be set to be 1.5 ℃, 3 ℃, 5 ℃, 8 ℃ and the like, and the second preset temperature difference can be set to be 2.5 ℃, 5 ℃, 7 ℃, 10 ℃, 12 ℃ and the like.
In other embodiments, when the second indoor temperature difference and the second evaporator temperature difference are obtained, it may be further determined whether the second evaporator temperature difference is less than or equal to a second preset temperature difference, and when the second evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined whether the second indoor temperature difference is less than or equal to a first preset temperature difference, if the second indoor temperature difference is less than or equal to the first preset temperature difference, it is determined that the refrigeration system of the air conditioner is in an abnormal state, and then it is accurately determined whether the refrigeration system of the air conditioner is abnormal according to the second indoor temperature difference and the second evaporator temperature difference, so as to improve accuracy of abnormality detection of the refrigeration system.
According to the air conditioner control method provided by the embodiment, whether the second indoor temperature difference is smaller than or equal to the first preset temperature difference or not is determined, and then whether the second evaporator temperature difference is smaller than or equal to the second preset temperature difference or not is determined when the second indoor temperature difference is smaller than or equal to the first preset temperature difference, so that whether a refrigeration system of the air conditioner is abnormal or not is accurately judged according to the second indoor temperature difference and the second evaporator temperature difference, and the accuracy of the abnormal detection of the refrigeration system is further improved.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where an air conditioner control program is stored on the computer-readable storage medium, and when executed by a processor, the air conditioner control program implements the following operations:
when an air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator of the air conditioner;
when the operation time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the indoor evaporator;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
calculating a first indoor temperature difference between the first indoor temperature and the second indoor temperature, and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
determining whether the first indoor temperature difference is less than or equal to a first preset temperature difference;
when the first indoor temperature difference is less than or equal to the first preset temperature difference, it is determined whether the first evaporator temperature difference is less than or equal to the second preset temperature difference, wherein when the first evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined that the refrigeration system is in an abnormal state.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
when the refrigeration system is determined to be in an abnormal state, if the duration of the refrigeration system after being determined to be in the abnormal state reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator, wherein the second preset duration is longer than the first preset duration;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, a third indoor temperature, a first evaporator temperature, and the third evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
calculating a second indoor temperature difference between the first indoor temperature and the third indoor temperature, and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
determining whether the second indoor temperature difference is less than or equal to a first preset temperature difference;
when the indoor difference in temperature of second is less than or equal to first preset difference in temperature, confirm whether the second evaporator difference in temperature is less than or equal to second preset difference in temperature, wherein, when the second evaporator difference in temperature is less than or equal to second preset difference in temperature, confirm refrigerating system is in abnormal state.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An air conditioner control method, characterized by comprising the steps of:
when an air conditioner is started to operate, acquiring a first indoor temperature of an indoor environment where the air conditioner is located currently and a first evaporator temperature of an indoor evaporator of the air conditioner;
when the operation time of the air conditioner reaches a first preset time, acquiring a second indoor temperature of the current indoor environment and a second evaporator temperature of the indoor evaporator;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature;
when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner;
the determining whether the refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the second indoor temperature, the first evaporator temperature, and the second evaporator temperature includes:
calculating a first indoor temperature difference between the first indoor temperature and the second indoor temperature, and a first evaporator temperature difference between the first evaporator temperature and the second evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference.
2. The air conditioner control method as claimed in claim 1, wherein said step of determining whether the refrigeration system is in an abnormal state based on the first indoor temperature difference and the first evaporator temperature difference includes:
determining whether the first indoor temperature difference is less than or equal to a first preset temperature difference;
when the first indoor temperature difference is less than or equal to the first preset temperature difference, it is determined whether the first evaporator temperature difference is less than or equal to the second preset temperature difference, wherein when the first evaporator temperature difference is less than or equal to the second preset temperature difference, it is determined that the refrigeration system is in an abnormal state.
3. The air conditioner controlling method as claimed in claim 2, wherein the first predetermined temperature difference is in a range of 0.5 to 10 ℃ and the second predetermined temperature difference is in a range of 0.5 to 15 ℃.
4. The air conditioner control method as claimed in claim 1, wherein the step of sending a prompt message to a preset terminal corresponding to the air conditioner when it is determined that the refrigeration system is in an abnormal state includes:
when the refrigeration system is determined to be in an abnormal state, if the duration of the refrigeration system after being determined to be in the abnormal state reaches a second preset duration, acquiring a third indoor temperature of the current indoor environment and a third evaporator temperature of the indoor evaporator, wherein the second preset duration is longer than the first preset duration;
determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, a third indoor temperature, a first evaporator temperature, and the third evaporator temperature;
and when the refrigeration system is determined to be in an abnormal state, sending prompt information to a preset terminal corresponding to the air conditioner.
5. The air conditioner control method as claimed in claim 4, wherein the step of determining whether a refrigeration system of the air conditioner is in an abnormal state based on the first indoor temperature, the third indoor temperature, the first evaporator temperature and the third evaporator temperature includes:
calculating a second indoor temperature difference between the first indoor temperature and the third indoor temperature, and a second evaporator temperature difference between the first evaporator temperature and the third evaporator temperature;
determining whether the refrigeration system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference.
6. The air conditioner controlling method as claimed in claim 5, wherein the step of determining whether the refrigerating system is in an abnormal state based on the second indoor temperature difference and the second evaporator temperature difference comprises:
determining whether the second indoor temperature difference is less than or equal to a first preset temperature difference;
when the indoor difference in temperature of second is less than or equal to first preset difference in temperature, confirm whether the second evaporator difference in temperature is less than or equal to second preset difference in temperature, wherein, when the second evaporator difference in temperature is less than or equal to second preset difference in temperature, confirm refrigerating system is in abnormal state.
7. The air conditioner controlling method as claimed in claim 4, wherein the second preset time period is a sum of the first preset time period and a third preset time period.
8. The air conditioner controlling method as claimed in any one of claims 1 to 7, wherein the first preset time period ranges from 3 to 60 minutes.
9. An air conditioner, characterized in that the air conditioner comprises: a memory, a processor, and an air conditioner control program stored on the memory and executable on the processor, the air conditioner control program when executed by the processor implementing the steps of the air conditioner control method of any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that an air conditioner control program is stored thereon, which when executed by a processor implements the steps of the air conditioner control method according to any one of claims 1 to 8.
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| CN201811324409.3A CN109520082B (en) | 2018-11-08 | 2018-11-08 | Air conditioner control method, air conditioner and computer readable storage medium |
| PCT/CN2019/092947 WO2020093707A1 (en) | 2018-11-08 | 2019-06-26 | Air conditioner control method, air conditioner and computer-readable storage medium |
| JP2021523467A JP7267415B2 (en) | 2018-11-08 | 2019-06-26 | Air conditioner control method, air conditioner and computer readable storage medium |
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| CN109520082B (en) * | 2018-11-08 | 2020-06-05 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and computer readable storage medium |
| CN112229024B (en) * | 2019-06-30 | 2022-12-20 | 广东美的制冷设备有限公司 | Control method for abnormal temperature regulation of air conditioner, air conditioner and storage medium |
| KR102654833B1 (en) * | 2019-08-14 | 2024-04-05 | 삼성전자주식회사 | Air conditioner and controlling method thereof |
| CN111023472B (en) * | 2019-12-17 | 2021-02-23 | 海信（山东）空调有限公司 | Air conditioner detection method and device |
| CN113551371B (en) * | 2021-07-31 | 2023-03-31 | 广东美的制冷设备有限公司 | Method and device for detecting states of high-pressure valve and low-pressure valve of air conditioner, air conditioner and medium |
| CN114754532B (en) * | 2022-04-26 | 2024-02-20 | 青岛海尔空调电子有限公司 | Method, device, equipment and storage medium for controlling refrigeration house condensing unit |
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| JP2000314548A (en) * | 1999-04-30 | 2000-11-14 | Sanyo Electric Co Ltd | Positive pressure air supply air cleaner |
| CN101526259A (en) * | 2009-03-31 | 2009-09-09 | 宁波海诚电器有限公司 | Detection and protection method of lack of fluorine of air-conditioners |
| EP2938956B1 (en) * | 2012-12-28 | 2020-10-07 | Schneider Electric IT Corporation | Method for air flow fault and cause identification |
| CN103940052B (en) * | 2013-01-21 | 2017-06-06 | 珠海格力电器股份有限公司 | Air conditioner and fault detection method thereof |
| KR102317340B1 (en) * | 2014-01-14 | 2021-10-26 | 삼성전자주식회사 | Air conditioner and fault diagnosis method thereof |
| CN106150999B (en) | 2016-07-04 | 2018-02-16 | 珠海格力电器股份有限公司 | Method and device for detecting and controlling overload protection of compressor |
| CN108278715A (en) * | 2017-01-04 | 2018-07-13 | 奥克斯空调股份有限公司 | A kind of air conditioner lacks fluorine guard method and the air conditioner with scarce fluorine defencive function |
| CN108317662B (en) * | 2018-02-05 | 2020-11-27 | 广东美的制冷设备有限公司 | Fault detection method and device, air conditioner and computer readable storage medium |
| CN109520082B (en) * | 2018-11-08 | 2020-06-05 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and computer readable storage medium |
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