Air conditioner and control method thereof, and computer readable storage medium

Abstract

The present invention discloses a control method for an air conditioner, the method comprising: receiving a start instruction of a preset wind sense mode, obtaining status information of an object of action of the air conditioner; the status information comprises information on whether the object of action is in a resting state; the preset wind sense mode comprises a first mode and a second mode; in the first mode and the second mode, one of the modes is determined as a target mode according to the status information; the air conditioner is controlled to operate according to the target mode; the air outlet wind speed of the air conditioner corresponding to the first mode and the second mode is less than a set wind speed threshold, the operating noise of the air conditioner corresponding to the first mode is less than or equal to a set noise value, and the heat exchange amount of the air conditioner corresponding to the second mode is greater than the set heat exchange amount. The present invention also discloses an air conditioner and a computer-readable storage medium. The present invention aims to ensure that the comfort needs of users in different states are met in the comfortable wind sense mode, and to improve the user comfort in the preset wind sense mode.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to a control method of an air conditioner, an air conditioner and a computer-readable storage medium. Background Art

[0002] With the development of economy and technology, the performance of air conditioners is also constantly being optimized. In addition to the conventional cooling function, some current air conditioners have comfortable wind modes such as no wind, soft wind, and weak wind to meet the wind feeling needs of users. In the comfortable wind mode, the wind dispersion structure will operate in the wind shielding position to soften the air output of the air conditioner.

[0003] However, in the comfort wind mode, the air conditioner generally operates according to fixed parameters. For example, the fan runs at a fixed speed, the wind dispersion structure runs in a fixed state, etc., resulting in the operating state of the air conditioner in the comfort wind mode not matching the user's actual comfort needs, affecting the comfort of indoor users. Summary of the invention

[0004] The main purpose of the present invention is to provide a control method of an air conditioner, an air conditioner and a computer-readable storage medium, aiming to ensure that the comfort needs of users in different states are met in a comfortable wind mode and to improve the user comfort in a preset wind mode.

[0005] To achieve the above object, the present invention provides a method for controlling an air conditioner, the method comprising the following steps:

[0006] receiving a start instruction of a preset wind sensing mode, and acquiring status information of an object of the air conditioner; the status information includes information of whether the object of the air conditioner is in a resting state; the preset wind sensing mode includes a first mode and a second mode;

[0007] In the first mode and the second mode, determining one of them as a target mode according to the state information;

[0008] controlling the operation of the air conditioner according to the target mode;

[0009] The air outlet wind speeds of the air conditioner corresponding to the first mode and the second mode are both less than the set wind speed threshold, the operating noise of the air conditioner corresponding to the first mode is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second mode is greater than the set heat exchange amount.

[0010] Optionally, the step of determining one of the first mode and the second mode as the target mode according to the state information includes:

[0011] When the state information indicates that the object is in a resting state, determining the first mode as the target mode;

[0012] When the state information indicates that the object is not in a resting state, the second mode is determined to be the target mode.

[0013] Optionally, the step of obtaining the status information of the object of the air conditioner includes:

[0014] Acquire the current posture information of the action object, the ambient brightness of the action space of the air conditioner and / or the current time;

[0015] The state information is determined according to the posture information, the ambient brightness and / or the current moment.

[0016] Optionally, the step of determining the state information according to the posture information, the ambient brightness and the current moment includes:

[0017] When the posture information is a lying posture, when the ambient brightness is less than or equal to a set brightness threshold, and / or when the current time is at night, determining that the state information is that the object is in a resting state;

[0018] When the posture information is a posture other than lying down, when the ambient brightness is greater than the set brightness threshold, and when the current time is during daytime, it is determined that the state information indicates that the object is not in a resting state.

[0019] Optionally, the step of determining the state information according to the posture information includes:

[0020] When the posture information is a lying posture, determining the state information is that the object is in a resting state;

[0021] When the posture information is a posture other than a lying posture, determining that the state information is that the action object is not in a resting state;

[0022] Alternatively, the step of determining the state information according to the ambient brightness includes:

[0023] When the ambient brightness is less than or equal to a set brightness threshold, determining that the state information indicates that the subject is in a resting state;

[0024] When the ambient brightness is greater than the set brightness threshold, determining that the state information indicates that the object is not in a resting state;

[0025] Alternatively, the step of determining the state information according to the current moment includes:

[0026] When the current time is in the night time period, determining the state information as the object being acted on is in a resting state;

[0027] When the current time is in the daytime period, it is determined that the state information indicates that the object is not in a resting state.

[0028] Optionally, the step of obtaining the current posture information of the action object includes:

[0029] Acquire an image of the object of action;

[0030] Determine the height difference between the head and the feet of the subject in the vertical direction according to the image;

[0031] If the height difference is less than or equal to the set height threshold, determining that the posture information indicates that the object is in a lying position;

[0032] If the height difference is greater than the set height threshold, it is determined that the posture information indicates that the object is not in a lying position.

[0033] Optionally, the air outlet of the air conditioner is provided with an air dispersion plate, and the step of controlling the operation of the air conditioner according to the target mode comprises:

[0034] When the target mode is the first mode, controlling the indoor fan of the air conditioner to run at a first speed, and controlling the air dispersion plate to partially cover the air outlet;

[0035] When the target mode is the second mode, controlling the indoor fan to run at a second speed, and controlling the air dispersion plate to completely cover the air outlet;

[0036] Wherein, the operating noise of the air conditioner corresponding to the first speed is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second speed is greater than the set heat exchange amount.

[0037] Optionally, the air conditioner is a wall-mounted air conditioner, and the step of controlling the air dispersion plate to partially block the air outlet comprises:

[0038] The wind dispersing plate is controlled to operate in a target wind blocking state, wherein the target wind blocking state is a state in which an upper edge of the wind dispersing plate is spaced apart from an upper edge of the air outlet.

[0039] Optionally, the first rotation speed is obtained as follows:

[0040] Acquire a third speed; the third speed is the operating speed of the indoor fan before the preset wind sensing mode is started;

[0041] Determining the first speed within a speed range that is less than or equal to the third speed and less than or equal to the first maximum speed;

[0042] Among them, the first maximum speed is the maximum speed at which the indoor fan is allowed to operate corresponding to the set noise value.

[0043] Optionally, the step of determining the first speed within a speed range that is less than or equal to the third speed and less than or equal to the first maximum speed includes:

[0044] Get the indoor ambient temperature;

[0045] Determining a speed upper limit value according to the indoor ambient temperature and a first speed critical value;

[0046] The minimum value between the third rotation speed and the rotation speed upper limit is determined as the first rotation speed.

[0047] The first speed critical value includes the first maximum speed and / or the first minimum speed allowed for the indoor fan to operate in the first mode, and the speed upper limit value is less than or equal to the first maximum speed.

[0048] Optionally, the step of determining the upper speed limit value according to the indoor ambient temperature and the first speed critical value includes:

[0049] Determining a temperature difference between the indoor ambient temperature and a set temperature of the air conditioner;

[0050] When the temperature difference is greater than or equal to a set temperature difference, determining the first maximum speed as the speed upper limit;

[0051] When the temperature difference is less than the set temperature difference, determining a first speed correction value according to the temperature difference, the set temperature difference and a first speed adjustment amount, and correcting the first minimum speed or the first maximum speed according to the first speed correction value to obtain the speed upper limit value;

[0052] The first speed adjustment amount is a deviation between the first minimum speed and the first maximum speed, and the speed upper limit tends to decrease as the temperature difference decreases.

[0053] Optionally, the second speed is obtained as follows:

[0054] Get the indoor ambient temperature;

[0055] determining the second speed according to the indoor ambient temperature and the second speed critical value;

[0056] The second speed critical value includes a second maximum speed and / or a second minimum speed allowed for the indoor fan to operate in the second mode, and the second maximum speed is greater than the first maximum speed allowed for the indoor fan to operate corresponding to the set noise value.

[0057] Optionally, the step of determining the second speed according to the indoor ambient temperature and the second speed critical value includes:

[0058] Determining a temperature difference between the indoor ambient temperature and a set temperature of the air conditioner;

[0059] When the temperature difference is greater than or equal to a set temperature difference, determining the second maximum speed to be the second speed;

[0060] When the temperature difference is less than the set temperature difference, determining a second speed correction value according to the temperature difference, the set temperature difference and a second speed adjustment amount, and correcting the second maximum speed or the second minimum speed according to the second speed correction value to obtain the second speed;

[0061] The second speed adjustment amount is a deviation between the second minimum speed and the second maximum speed, and the second speed shows a decreasing trend as the temperature difference decreases.

[0062] In addition, in order to achieve the above-mentioned purpose, the present application also proposes an air conditioner, which includes a control device, and the control device includes: a memory, a processor, and an air conditioner control program stored in the memory and executable on the processor, and when the air conditioner control program is executed by the processor, the steps of the air conditioner control method as described in any one of the above items are implemented.

[0063] In addition, in order to achieve the above-mentioned purpose, the present application also proposes a computer-readable storage medium, on which a control program of an air conditioner is stored. When the control program of the air conditioner is executed by a processor, the steps of the control method of the air conditioner as described in any of the above items are implemented.

[0064] The present invention proposes a control method for an air conditioner. When the air conditioner needs to run a preset wind sense mode with a lower wind speed, the preset wind sense mode is no longer operated according to fixed parameters, but one of the air conditioner operation modes is selected from a first mode with low noise and a second mode with high heat exchange based on whether the object of the air conditioner is in a resting state. The user has different requirements for noise and air conditioner output heat exchange in the resting state and the non-resting state. The determined target mode for achieving low wind speed matches the user's current state, thereby ensuring that the comfort needs of users in different states are met in the comfortable wind sense mode, and improving the user comfort in the preset wind sense mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Figure 1 It is a structural schematic diagram of an embodiment of an air conditioner of the present invention;

[0066] Figure 2 A schematic diagram of the hardware structure involved in the operation of an air conditioner according to an embodiment of the present invention;

[0067] Figure 3 A schematic diagram of a flow chart of an embodiment of a method for controlling an air conditioner according to the present invention;

[0068] Figure 4 A flow chart of another embodiment of a method for controlling an air conditioner according to the present invention;

[0069] Figure 5 A flow chart of another embodiment of a method for controlling an air conditioner according to the present invention;

[0070] Figure 6 The figure is a flow chart of another embodiment of the air conditioner control method of the present invention.

[0071] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0072] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0073] The main solution of the embodiment of the present invention is: receiving a start instruction of a preset wind sensing mode, and obtaining status information of the object of action of the air conditioner; the status information includes information on whether the object of action is in a rest state; the preset wind sensing mode includes a first mode and a second mode; in the first mode and the second mode, one of them is determined as the target mode according to the status information; the air conditioner is controlled to operate according to the target mode; the air outlet wind speeds of the air conditioner corresponding to the first mode and the second mode are both less than the set wind speed threshold, the operating noise of the air conditioner corresponding to the first mode is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second mode is greater than the set heat exchange amount.

[0074] In the prior art, the air conditioner in the comfort wind mode generally operates according to fixed parameters, such as the fan operating at a fixed speed, the wind dispersion structure operating in a fixed state, etc., resulting in the operating state of the air conditioner in the comfort wind mode not matching the user's actual comfort needs, affecting the comfort of indoor users.

[0075] The present invention provides the above-mentioned solution, aiming to ensure that the comfort needs of users in different states are met in the comfortable wind mode, and to improve the user comfort in the preset wind mode.

[0076] The embodiment of the present invention provides an air conditioner. In this embodiment, the air conditioner is a wall-mounted air conditioner. In other embodiments, the air conditioner may also be a floor-standing air conditioner, a mobile air conditioner, a window air conditioner, a ceiling air conditioner, etc.

[0077] In the embodiment of the present invention, refer to Figure 1The air conditioner includes a housing 1, an indoor fan 2 and an air dispersion plate 3.

[0078] The housing 1 is provided with an air outlet, and the air dispersion plate 3 is provided at the air outlet. An air duct connected to the air outlet is provided in the housing 1, and the indoor fan 2 is provided in the air duct. When the indoor fan 2 is turned on, the indoor fan 2 drives the air flow in the air duct to blow from the air outlet into the working space of the air conditioner.

[0079] Specifically, the air dispersing plate 3 is movably mounted on the air outlet, for example, the air dispersing plate 3 can be rotatably mounted on the air outlet, or slidably mounted on the air outlet. Specifically, the air dispersing plate 3 can be mounted on the air outlet via a rotating shaft. In this embodiment, the air dispersing plate 3 swings in the vertical direction, and the rotating shaft of the air dispersing plate 3 extends in the horizontal direction.

[0080] The air dispersion plate 3 includes an air guide plate and a plurality of air dispersion holes arranged through the air guide plate. The air dispersion plate 3 can move in at least three positions, including a first position, a second position, and a third position. The first position is a position where the angle between the plate surface of the air dispersion plate 3 and the air flow direction in the air duct is less than a first set angle threshold (e.g., 10 degrees) (e.g., 10 degrees). Figure 1 a), in the first position, the air dispersion plate 3 does not disperse the air flow, and the air velocity and air volume of the air conditioner are at the maximum.

[0081] The second position is a position where the air outlet is partially blocked, such as Figure 1 b. In the second position, the angle between the plate surface of the air dispersion plate 3 and the airflow direction in the air duct is greater than the second set angle threshold (for example, 60 degrees), and the upper edge of the air dispersion plate 3 is spaced from the upper edge of the air outlet. In the second position, the air dispersion plate 3 blocks 70%-90% of the air outlet area of ​​the air outlet, that is, 70%-90% of the airflow blown out from the air outlet will reach the air dispersion plate 3, and 10%-30% will be directly sent into the room from the gap between the upper edge of the air dispersion plate 3 and the upper edge of the air outlet. At this time, part of the air outlet of the air conditioner is blown out obliquely upward, and part of it is sent into the room after being dispersed by the air dispersion plate 3, which can ensure that the air outlet of the air conditioner will not blow directly to the user, so that the wind speed felt by the indoor user is relatively small, and the wind feeling is soft and comfortable.

[0082] The third position is a position that completely blocks the air outlet. Figure 1 c. In the third position, the air dispersing plate 3 closes the air outlet, and all airflows blown out of the air outlet are sent into the room after passing through the air dispersing effect of the air dispersing plate 3, which can effectively reduce the wind speed, making the wind felt by indoor users less strong and making the wind feeling felt by users soft and comfortable.

[0083] In the preset wind sense mode, the air dispersion plate 3 can be moved to the second position or the third position; in the first wind sense mode, the air dispersion plate 3 can be moved to the first position. The indoor environment wind speed corresponding to the preset wind sense mode is less than the set wind speed threshold, the indoor environment wind speed corresponding to the first wind sense mode is greater than the set wind speed threshold, and the heat exchange amount (such as cooling capacity or heating capacity) of the preset wind sense mode is less than the heat exchange amount (such as cooling capacity or heating capacity) of the first wind sense mode.

[0084] Furthermore, in this embodiment, the air conditioner further includes a detection module, which can be installed on the housing 1. The detection module is used to detect the status information of the object of the air conditioner. The type of the detection module can be set according to actual needs, and it is only necessary to ensure that the detection module can detect the characteristic parameters of whether the object is in a rest state.

[0085] Specifically, in this embodiment, the detection module includes an image acquisition module 4, a light sensor 5 and / or a clock 6. Among them, the image acquisition module 4 is specifically used to collect images of the object of the air conditioner, where the image can be an infrared image and / or a digital image, etc. The collected image can be used to determine the posture information of the object of the air conditioner, so as to characterize whether there is an object of action in a resting state through the posture information. In this embodiment, the image acquisition module 4 is a smart eye. In other embodiments, the image acquisition module 4 can also be set to other types of modules according to actual needs, such as a thermal image sensor, etc. The light sensor 5 is used to collect the light intensity in the air conditioner action space as a representation of the ambient brightness of the air conditioner action space, so as to characterize whether there is an object of action in a resting state through the ambient brightness. The clock 6 is used to collect the current time during the operation of the air conditioner, which can be used to determine whether the operating environment of the air conditioner is night or day, so as to characterize whether there is an object of action in a resting state through the period of operation of the air conditioner.

[0086] Furthermore, in this embodiment, the air conditioner may include a control device in addition to the housing 1, the indoor fan 2, the air dispersion plate 3, and the detection module. Figure 2 The above-mentioned indoor fan 2, air dispersion plate 3 and detection module are all connected to the control device here. The control device can be used to control the operation of the indoor fan 2 and the air dispersion plate 3, and can also collect the detection data of the detection module to obtain the status information of whether the air conditioner is currently in a rest state.

[0087] In the embodiment of the present invention, refer to Figure 2 The control device includes: a processor 1001 (such as a CPU), a memory 1002, etc. The memory 1002 can be a high-speed RAM memory, or a stable memory (non-volatile memory), such as a disk memory. The memory 1002 can also be a storage device independent of the aforementioned processor 1001.

[0088] Those skilled in the art will understand that Figure 2 The device structure shown in the figure does not constitute a limitation of the device, and may include more or less components than shown in the figure, or combine certain components, or arrange the components differently.

[0089] like Figure 2 As shown, the memory 1002 as a computer-readable storage medium may include a control program for the air conditioner. Figure 2 In the device shown, the processor 1001 can be used to call the air conditioner control program stored in the memory 1002 and execute the relevant steps of the air conditioner control method in the following embodiment.

[0090] The embodiment of the present invention further provides a control method of an air conditioner, which is applied to the above-mentioned air conditioner.

[0091] Reference Figure 3 , an embodiment of a control method of an air conditioner of the present application is proposed. In this embodiment, the control method of the air conditioner includes:

[0092] Step S10, receiving a start instruction of a preset wind sensing mode, and obtaining status information of an object of the air conditioner; the status information includes information on whether the object is in a resting state; the preset wind sensing mode includes a first mode and a second mode;

[0093] The indoor environmental wind speeds corresponding to the second mode and the first mode in the preset wind sense mode are both less than the set wind speed threshold. The set wind speed threshold is a pre-set parameter, which can be a parameter set by the system by default, or a parameter set by the user based on his or her own wind sense needs. In this embodiment, the value interval of the set wind speed threshold is [0.2m / s, 0.4m / s], for example, 0.3m / s. In other embodiments, the set wind speed threshold can also be set to other numerical parameters according to actual conditions, such as 0.6m / s, 0.1m / s, etc.

[0094] The action object of the air conditioner specifically refers to the object whose comfort is affected by the air outlet of the air conditioner in the action space of the air conditioner. In this embodiment, the action object of the air conditioner specifically refers to the human body in the air outlet coverage area of ​​the air conditioner. In other embodiments, the action object of the air conditioner can also be other types of objects such as animals in the air outlet coverage area of ​​the air conditioner.

[0095] Specifically, the state information of the object of the air conditioner can be obtained here when the start command of the preset wind sensing mode is received, or the state information of the object of the air conditioner can be obtained at intervals of a set time during the operation of the preset wind sensing mode. The start command here can be issued by the user based on his own needs, or it can be issued when the air conditioner monitors that the indoor environment reaches a set state (for example, it detects that there are people or designated persons (such as elderly people or children) in the indoor environment).

[0096] The state information here includes one of the state in which the air conditioning object is in a resting state and the state in which the air conditioning object is not in a resting state.

[0097] The status information can be obtained by obtaining the status command input by the user. For example, when the user is not resting, the user can input the first command, and when the first command is received, it can be determined that the user is not resting; when the user is resting, the user can input the second command, and when the second command is received, it can be determined that the user is resting. In addition, the status information can also be obtained by obtaining the detection data analysis of the detection module (such as smart eye, light sensor and / or clock, etc.) set on the air conditioner body.

[0098] When the user sends a preset wind sense command through a control terminal such as a remote controller or application software, the air conditioner receives the preset wind sense command and can start the preset wind sense mode.

[0099] Step S20, among the first mode and the second mode, determine one of them as the target mode according to the status information; the air outlet wind speeds of the air conditioner corresponding to the first mode and the second mode are both less than the set wind speed threshold, the operating noise of the air conditioner corresponding to the first mode is less than or equal to the set noise value, and the heat exchange capacity of the air conditioner corresponding to the second mode is greater than the set heat exchange capacity.

[0100] In the first mode and the second mode, the components related to the noise and heat exchange of the air conditioner may have different operating parameters (for example, the indoor fan may have different speeds, the compressor may have different operating frequencies, the air outlet air dispersion plate may have different wind shielding positions, etc.).

[0101] The set noise value is specifically the maximum noise value generated by the preset wind sense mode of the air conditioner under the preset low noise environment. The set noise value can be a parameter preset by the system, which is generally obtained through experimental research and user experience and is set in the software in the controller. For example, the conventional high wind operation noise of the air conditioner is 43 decibels. Through experimental research, it is found that when most users sleep at night, the user's acceptable quiet operation noise of the air conditioner is 33 decibels. At this time, the set noise value is set to 33 decibels. In addition, the set noise value can also be a parameter set by the user. The set noise value here is formed by obtaining the maximum noise value allowed by the air conditioner operation input by the user based on his own comfort needs and storing it. In this embodiment, the set noise value is the maximum noise limit MaxdB allowed by the low noise state required by the user in the rest state (such as in the sleep state, at night). For example, the maximum nameplate noise value of the air conditioner indoor unit is 42 decibels. In order to prevent the running noise of the air conditioner from disturbing the user's rest, the maximum noise limit MaxDB (i.e., the set noise value) of the low noise state operation of the air conditioner under the user's sleeping condition is set to 32 decibels.

[0102] The set heat exchange capacity specifically refers to the minimum heat exchange capacity required to ensure indoor heat exchange efficiency under the preset air conditioner wind sense mode (the minimum cooling capacity when the air conditioner is cooling, and the minimum heating capacity when the air conditioner is heating). The heat exchange capacity of the air conditioner is greater than the set heat exchange capacity, indicating that under the air outlet adjustment of the air conditioner, the temperature change rate of the indoor environment is large and can reach above the target change rate (for example, 1°C / min).

[0103] Different state information corresponds to different target modes. The correspondence between the state information and the target mode can be preset, can be a system default configuration, or can be set by the user based on their own needs. Based on the correspondence, one of the first mode and the second mode can be determined as the target mode corresponding to the current state information.

[0104] Specifically, in this embodiment, the process of determining one of the second mode and the first mode as the target mode according to the state information is as follows: when the state information indicates that the object is in a resting state, the first mode is determined to be the target mode; when the state information indicates that the object is not in a resting state, the second mode is determined to be the target mode. Based on this, it can be ensured that the user presets the wind sense mode in the resting state to give priority to ensuring the low noise effect of the environment, so as to avoid noise disturbing the user's rest; the user presets the wind sense mode in the non-resting state to give priority to ensuring the environmental heat exchange effect, so as to ensure that the air conditioner can input enough cooling capacity or heating capacity to the indoor environment in the preset wind sense mode to ensure the heat exchange efficiency of the indoor environment.

[0105] In addition, in other embodiments, in order to meet the actual comfort needs of the user, the process of determining one of the second mode and the first mode as the target mode based on the status information may also be as follows: when the status information is that the object of action is not in a resting state, the second mode is determined as the target mode; when the status information is that the object of action is not in a resting state, the first mode is determined as the target mode.

[0106] Step S30, controlling the air conditioner to operate according to the target mode.

[0107] Specifically, in this embodiment, in the first mode, the indoor fan can be operated at a first speed so that the operating noise of the air conditioner is less than or equal to the set noise value, and in the second mode, the indoor fan can be operated at a second speed so that the heat exchange of the air conditioner is greater than the set heat exchange. The first speed and the second speed can be pre-set speeds, or speeds determined according to the actual operating conditions of the air conditioner (e.g., the noise before the preset wind sensing mode is started, the current heat load of the air conditioner, and / or the maximum allowable noise value set by the user, etc.). It should be noted that the second speed is greater than the first speed, and the air conditioning heat exchange corresponding to the second speed here is greater than the air conditioning heat exchange corresponding to the first speed, and the air conditioning operation noise corresponding to the second speed is greater than the set noise value.

[0108] In addition, in other embodiments, in the first mode, the compressor can operate at a first frequency so that the operating noise of the air conditioner is less than or equal to the set noise value, and in the second mode, the compressor can operate at a second frequency so that the heat exchange of the air conditioner is greater than the set heat exchange. The first frequency and the second frequency can be pre-set frequencies, or frequencies determined according to the actual operating conditions of the air conditioner (e.g., the noise condition before the preset wind sense mode is started, the current heat load condition of the air conditioner, and / or the maximum allowable noise value set by the user, etc.). It should be noted that the second frequency is greater than the first frequency, and the air conditioning heat exchange corresponding to the second frequency here is greater than the air conditioning heat exchange corresponding to the first frequency, and the air conditioning operation noise corresponding to the second frequency is greater than the set noise value.

[0109] When the indoor fan is running at the target speed, the air diffuser can be controlled to close the air outlet (such as Figure 1 c) or partially block the air outlet (such as Figure 1 b).

[0110] An embodiment of the present invention proposes a control method for an air conditioner. When the air conditioner needs to run a preset wind sense mode with a lower wind speed, the preset wind sense mode is no longer operated according to fixed parameters, but one of the air conditioner operation modes is selected from a first mode with low noise and a second mode with high heat exchange based on whether the object of the air conditioner is in a resting state. The user has different requirements for noise and air conditioner output heat exchange in the resting state and the non-resting state. The determined target mode for achieving low wind speed matches the user's current state, thereby ensuring that the comfort needs of users in different states are met in the comfortable wind sense mode, and improving the user comfort in the preset wind sense mode.

[0111] Furthermore, in this embodiment, the air outlet of the air conditioner is provided with an air dispersion plate, and step S30 includes:

[0112] Step S31, when the target mode is the first mode, controlling the indoor fan of the air conditioner to run at a first speed, controlling the air dispersion plate to partially cover the air outlet (such as Figure 1 b);

[0113] Step S32, when the target mode is the second mode, control the indoor fan to run at the second speed, and control the air dispersion plate to completely cover the air outlet (such as Figure 1 c);

[0114] Wherein, the operating noise of the air conditioner corresponding to the first speed is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second speed is greater than the set heat exchange amount.

[0115] The first speed and the second speed can be pre-set speeds, or they can be speeds determined based on the actual operating conditions of the air conditioner (such as the noise conditions before the preset wind mode is started, the current heat load conditions of the air conditioner and / or the maximum allowable noise value set by the user, etc.).

[0116] It should be noted that the second speed is greater than the first speed, the air conditioning heat exchange amount corresponding to the second speed is greater than the air conditioning heat exchange amount corresponding to the first speed, and the air conditioning operation noise corresponding to the second speed is greater than the set noise value.

[0117] The maximum speed of the indoor fan allowed to run corresponding to the set noise value can be defined as the first maximum speed, that is, when the indoor fan runs at the first maximum speed, the operating noise of the air conditioner is the set noise value, when the indoor fan runs at a speed greater than the first maximum speed, the operating noise of the air conditioner is greater than the set noise value, and when the indoor fan runs at a speed less than the first maximum speed, the operating noise of the air conditioner is less than the set noise value. Based on this, within the speed range less than or equal to the first maximum speed, a speed value can be selected as the first speed here according to a pre-set rule or randomly. Among them, in order to achieve a low noise effect and the cooling capacity of the air conditioner is as high as possible, the first speed can be the first maximum speed. For example, through experimental research, it has been determined that when the noise level of the air conditioner indoor unit is no higher than 33 decibels during quiet operation, the corresponding wind wheel speed limit MaxB (i.e., the first maximum speed) is 650 rpm. The maximum value allowed by the first speed is no higher than 650 rpm. Of course, the 650 rpm here is only the speed data value for a specific model. Different products and different models have different MaxB values. For example, different models have different numbers of air dispersion plates, which may correspond to different first maximum speeds.

[0118] The set heat exchange corresponds to the minimum speed at which the indoor fan is allowed to run, which can be defined as the second minimum speed. That is to say, when the indoor fan runs at the second minimum speed, the heat exchange of the air conditioner is the set heat exchange, and when the indoor fan runs at a speed greater than the second minimum speed, the heat exchange output of the air conditioner is greater than the set heat exchange, and when the indoor fan runs at a speed less than the second minimum speed, the heat exchange output of the air conditioner is less than the set heat exchange. Based on this, within the speed range greater than or equal to the second minimum speed, a speed value can be selected as the second speed here according to a pre-set rule or randomly. Among them, in order to make the cooling capacity of the air conditioner as high as possible in the preset wind sense mode of low wind speed, the second speed can be the maximum speed at which the indoor fan is allowed to run, which corresponds to the set heat exchange.

[0119] In this embodiment, the indoor fan is operated at a lower first speed to ensure that the air conditioner operation noise does not exceed the set noise value, and the air diffuser partially blocks the air outlet, so that the air diffuser can blow part of the air out while the other part of the air out can be blown directly into the room to ensure that the air volume of the air conditioner can meet the heat exchange of the indoor environment, so that the air outlet of the air conditioner can meet the low wind speed requirement corresponding to the preset wind sense mode as a whole, and ensure low noise while effectively improving the heat exchange effect of the air conditioner on the indoor environment. When the indoor level is operated at a higher second speed to ensure the heat exchange input by the air conditioner to the indoor environment, the air diffuser completely blocks the air outlet, and the air diffuser disperses all the air out, which is conducive to ensuring that when the indoor fan is operated at a high speed, the air diffuser can ensure that the air outlet of the air conditioner can meet the low wind speed requirement corresponding to the preset wind sense mode through the air diffuser, and at the same time, the air conditioner can input enough heat exchange to the indoor environment to ensure the heat exchange effect of the indoor environment.

[0120] Further, in this embodiment, referring to Figure 1 b. The air conditioner is a wall-mounted air conditioner, and the step of controlling the air dispersion plate to partially block the air outlet comprises:

[0121] The air diffuser is controlled to operate in a target wind shielding state, wherein the target wind shielding state is a state in which the upper edge of the air diffuser is spaced from the upper edge of the air outlet. Based on this, it can be ensured that even if the air outlet of the air conditioner blows directly into the room in the preset wind feeling mode, it will not blow directly to the user or other target of the air conditioner below the air conditioner, thereby ensuring the wind feeling comfort of the user or other target.

[0122] Specifically, in the preset wind sense mode with low noise priority, such as Figure 1 As shown in b, the air dispersion plate does not completely cover the air outlet. The air dispersion plate guides the air diagonally upward, that is, the upper part of the air dispersion plate is slightly opened outward, and the wind can be blown out diagonally upward from the space opened between the air dispersion plate and the upper part of the air outlet. The air dispersion plate only covers 70% to 90% of the air outlet area at the bottom of the air outlet, and the wind is delivered from the microholes set on the air dispersion plate and the opening diagonally upward. The reason for this arrangement is that in the preset wind sense mode with low noise priority, the wind wheel runs at a low speed (i.e., the first speed) and the wind speed is also low. While ensuring low noise, part of the wind is blown out diagonally upward from the space between the air dispersion plate and the upper end of the air outlet, which can ensure that the wind will not blow on people at lower wind speeds and can ensure the cooling capacity as much as possible.

[0123] When the air diffuser partially blocks the air outlet, the air diffuser covers 70% to 90% of the air outlet area at the bottom of the air outlet, and the upper end of the air outlet is opened. At this time, the effective air outlet area only occupies Figure 1a corresponds to 10%-30% (including 10% and 30%) of the air outlet area, that is, the air diffuser covers 70%-90% of the air outlet area, and because the air diffuser is open outward, part of the wind is sent out from the upper side, so that the air diffuser covers 70% to 90% of the air outlet area at the bottom of the air outlet. When the air diffuser covers most of the air outlet, part of the wind is blown out from the micro-holes set on the air diffuser, which is similar to the diversion and pressure relief effect of a shower head on water. Let the user and other objects feel a small wind speed, soft and comfortable wind. The aperture of the micro-holes on the air diffuser is generally less than 5 mm.

[0124] In the preset wind sense mode with cooling capacity priority, since it is pre-determined that the user and other objects are not in a resting state, it is necessary to maximize the cooling capacity under the premise of the low wind speed required by the preset wind sense mode. At this time, the indoor fan speed of the air conditioner is relatively high, the air dispersion plate closes the air outlet, and the wind blows out from the micro-holes on the air dispersion plate to disperse the wind and reduce the wind speed, making people feel that the wind is not so strong, and the wind blowing on the user feels soft and comfortable.

[0125] Further, based on the above embodiment, another embodiment of the control method of the air conditioner of the present application is proposed. In this embodiment, referring to Figure 4 , the step S10 comprises:

[0126] Step S11, obtaining the current posture information of the action object, the ambient brightness of the action space of the air conditioner and / or the current time;

[0127] In this embodiment, the posture information is information about whether the object of action is in a lying position. In other embodiments, the posture information may also include a sitting position, a standing position, a lying position, etc.

[0128] The ambient brightness is specifically a parameter that characterizes the light intensity in the working space of the air conditioner. The working space of the air conditioner here specifically refers to the maximum spatial range that the air outlet of the air conditioner can effectively cover. In this embodiment, the ambient brightness can be specifically detected by a light sensor arranged on the body of the air conditioner. Among them, when the number of light sensors is one, the data detected by the light sensor in real time can be directly read as the ambient brightness here; when the number of light sensors is more than one, the data detected by each light sensor in real time can be read to obtain more than one brightness detection data, and the average value of more than one brightness detection data can be used as the ambient brightness; the weight value corresponding to each brightness detection data can also be determined based on the distance between the light sensor and the light-transmitting area (such as a window, door, etc.), the greater the distance, the greater the weight, and the result obtained by weighted averaging each brightness detection data according to the determined weight value is used as the ambient brightness here. In addition, in other embodiments, the ambient brightness can also be determined by comparing the air conditioner with other devices in the space equipped with light sensors (such as mobile phones, wearable devices of the object of action, etc.)

[0129] The current moment can be obtained by reading the current time value generated by the clock set on the air conditioner. The clock can also be the current moment value read by the control software or application software in the terminal such as a mobile phone, and the air conditioner obtains the parameters read by the terminal as the current moment here. Alternatively, a crystal oscillator or timer is set in the control hardware of the air conditioner. After the clock value is adjusted before the user uses it, it can be effective for a long time during the use of the air conditioner and generate a relatively accurate time value. The time data currently generated by the crystal oscillator or timer in the control hardware can be read as the current moment here.

[0130] Step S12, determining the state information according to the posture information, the ambient brightness and / or the current moment.

[0131] Specifically, at least one of posture information, current time and ambient brightness may be used as status information representing whether the user or other subject is in a resting state.

[0132] When determining the status information based on the posture information, different posture information corresponds to different status information. For example, a sitting or lying posture corresponds to the user being in a resting state, and a standing posture corresponds to the user not being rested; for another example, a lying posture corresponds to the user being in a resting state, and a standing or sitting posture corresponds to the user not being rested. The first correspondence between the posture information and the status information can be a system default setting, or can be set by the user through input instructions based on their own needs. Based on the first correspondence, it can be determined whether the status information corresponding to the current posture information is the user or other object being in a resting state or a non-resting state.

[0133] When determining the status information based on the ambient brightness, different ambient brightnesses correspond to different status information. For example, when the ambient brightness is low, the user is in a resting state, and when the ambient brightness is high, the user is not resting. The second correspondence between the ambient brightness and the status information may be a system default setting, or may be set by the user through input instructions based on their own needs. Based on the second correspondence, it may be determined whether the status information corresponding to the current ambient brightness is whether the user or other subject is in a resting state or not resting state.

[0134] When determining the status information based on the current time, different current times correspond to different status information. For example, when the current time belongs to the evening time period, the user is in a resting state, and when the current time belongs to the daytime time period, the user is in a non-resting state; for another example, when the current time belongs to the evening time period or the noon time period, the user is in a resting state, and when the current time belongs to neither the evening time period nor the noon time period, the user is in a non-resting state. The third correspondence between the current time and the status information can be a system default setting, or can be set by the user through input instructions based on their own needs. Based on the third correspondence, it can be determined whether the status information corresponding to the current time is whether the user or other object is in a resting state or a non-resting state.

[0135] Since users and other objects have different postures when they are resting and when they are not resting, users and other objects have different requirements for the intensity of ambient light when they are resting and when they are not resting, or users and other objects generally operate at different times when they are resting and when they are not resting, in this embodiment, through at least one of the posture information, the current time, and the ambient brightness, it is possible to accurately characterize whether the user is in a resting state, so that the air conditioner can automatically identify whether there are users or other objects in a resting state, and automatically run the corresponding preset wind sense mode with priority on low noise or priority on heat exchange based on the identification result, so as to achieve an effective balance between low noise effect and heat exchange effect, and improve the intelligence level of the preset wind sense mode operation.

[0136] In one implementation of this embodiment, the state information is determined in combination with the posture information, the current time and the ambient brightness. Based on this, the process of determining the state information according to the posture information, the current time and the ambient brightness is as follows:

[0137] When the posture information indicates that the subject is in a lying position, when the ambient brightness is less than or equal to a set brightness threshold, and / or when the current time is at night, determining that the state information indicates that the subject is in a resting state;

[0138] When the posture information indicates that the object is not in a lying position, when the ambient brightness is greater than the set brightness threshold, and when the current time is in daytime, it is determined that the state information indicates that the object is not in a resting state.

[0139] The specific size of the brightness threshold can be preset according to the actual situation. The specific time interval range of the night time period and the day time period here can be set according to the actual needs. It can be the system default configuration parameter or set by the user. For example, 18:00 to 6:00 the next day can be defined as the night time period, and 6:00 to 18:00 can be defined as the day time period; 20:00 to 8 o'clock the next day can also be defined as the night time period, and 8:00 to 20:00 can be defined as the day time period.

[0140] Specifically, if the posture information is a lying posture, the ambient brightness is less than the set brightness threshold, and the current moment is in the night time period, any one of the conditions, any two conditions, or all of the conditions are met, it can be considered that the user or other object is in a resting state. If the posture information is a lying posture, the ambient brightness is less than the set brightness threshold, and the current moment is in the night time period, all the conditions are not met, it can be considered that the user or other object is not in a resting state.

[0141] For example, the air conditioner includes a smart eye, a light sensor and a clock. When the air conditioner is running in cooling mode, the controller detects whether a start command of a preset wind sense mode (such as a no wind sense command) is received. When a start command of a preset wind sense mode (such as a no wind sense command) is detected by the user through a remote control or application software, the smart eye detects whether there is a human body lying flat. When a human body is detected lying flat, the air conditioner enters a low-noise priority no wind sense mode (the indoor fan runs at a first speed). The so-called smart eye detects whether a human body is lying flat, which means that the smart eye has an infrared recognition function. The controller can identify the position of the human body detected by infrared and identify whether the human body is standing, sitting or lying flat. When the smart eye does not detect that there is a human body lying flat, the light sensor detects the intensity of the indoor light and analyzes whether the indoor light is dim. When the light sensor detects that the indoor light is dim, it is determined that the user needs to enter a sleep state, and the air conditioner enters a low-noise priority no wind sense mode (the indoor fan runs at a first speed, and the air diffuser at least partially blocks the air outlet). The so-called light sensor detects the intensity of light, which means that the light sensor can detect the brightness of indoor light. When the indoor light is dim and the light intensity is lower than a set domain value, it is considered that the lights are off at night, or the user has drawn the curtains and turned off the lights, and it is judged to be in a resting state, etc., which is equivalent to the resting state at night. The air conditioner enters the low-noise priority windless mode (the indoor fan runs at the first speed and the air dispersion plate at least partially blocks the air outlet). When the light intensity is higher than a set domain value, it is considered to be a daytime state, or the user has turned on the lights at night, and is not in a resting state. At this time, the cooling capacity needs to be met, so the indoor fan runs at the second speed and the air dispersion plate at least partially blocks the air outlet. When the light sensor detects that the indoor light is strong and not dim, the clock detects the current time value. When the clock detects that the current time value is greater than the set time value, it is judged to be a night time period. For example, when the clock detects that the current time is greater than 22:00 in the evening, it is judged to be a night time period. The air conditioner enters into the windless mode with low noise priority (the indoor fan runs at the first speed and the air dispersion plate at least partially blocks the air outlet); otherwise, it enters into the windless mode with cooling capacity priority (the indoor fan runs at the second speed and the air dispersion plate at least partially blocks the air outlet).

[0142] In another implementation of this embodiment, the status information can be determined based on the posture information alone, as follows: when the posture information is a lying posture, the status information is determined to be that the object of action is in a resting state; when the posture information is a posture other than a lying posture, the status information is determined to be that the object of action is not in a resting state.

[0143] For example, the air conditioner includes a smart eye. When the air conditioner is running in cooling mode, the controller detects whether a no-wind sense command is received. When a no-wind sense command is detected by the user through a remote control or application software, the smart eye detects the human body state and analyzes whether a human body is lying flat. When a human body is detected lying flat, the air conditioner enters a low-noise priority no-wind sense mode (the indoor fan runs at a first speed, and the air diffuser at least partially blocks the air outlet); when the smart eye does not detect a human body lying flat, the air conditioner enters a cooling capacity priority no-wind sense mode (the indoor fan runs at a second speed, and the air diffuser at least partially blocks the air outlet).

[0144] In another implementation of this embodiment, the status information can be determined based solely on the ambient brightness, as follows: when the ambient brightness is less than or equal to the set brightness threshold, the status information is determined to be that the object of action is in a resting state; when the ambient brightness is greater than the set brightness threshold, the status information is determined to be that the object of action is not in a resting state.

[0145] For example, the air conditioner includes a light sensor. When the air conditioner is running in cooling mode, the controller detects whether a windless sense command is received. When a windless sense command is detected by the user through a remote control or application software, the light sensor detects the indoor light intensity and determines whether the current indoor light is dim. When the light sensor detects that the indoor light is dim, it is determined that the user needs to enter a sleep state, and the air conditioner enters a low-noise priority windless sense mode (the indoor fan runs at a first speed, and the air diffuser at least partially blocks the air outlet). When the light sensor detects that the indoor light is strong, it is determined to be a daytime state, and the air conditioner enters a cooling capacity priority windless sense mode (the indoor fan runs at a second speed, and the air diffuser at least partially blocks the air outlet).

[0146] In another implementation of this embodiment, the status information can be determined based on the current time alone, as follows: when the current time is in the night time period, the status information is determined to be that the object of action is in a resting state; when the current time is in the day time period, the status information is determined to be that the object of action is not in a resting state.

[0147] For example, the air conditioner includes a clock, and the clock can detect the current time value. When the air conditioner is running in cooling mode, the controller detects whether a windless sense command is received. When a windless sense command is detected by the user through a remote control or application software, the clock detects the current time value. When the clock detects that the current time is greater than the set time value, for example, the set night time value is 21:45 pm, or 22:00 pm, etc., the air conditioner enters the windless sense mode with low noise priority (the indoor fan runs at a first speed and the air dispersion plate at least partially blocks the air outlet); otherwise, it enters the windless sense mode with cooling capacity priority (the indoor fan runs at a second speed and the air dispersion plate at least partially blocks the air outlet).

[0148] Among them, the process of obtaining the current posture information of the object is specifically as follows: obtaining an image of the object; determining the height difference between the head and feet of the object in the vertical direction based on the image; if the height difference is less than or equal to the set height threshold, determining that the posture information is that the object is in a lying position; if the height difference is greater than the set height threshold, determining that the posture information is that the object is not in a lying position.

[0149] In this embodiment, the object of action is a human body, and the height threshold is set to be less than the height of the human body. Specifically, the height threshold may be less than or equal to 50% of the height of the human body.

[0150] Acquire an image of the object captured by an image acquisition module such as the smart eye, identify a first image position of the head (for example, the top of the head, mouth, nose and / or eyes, etc. can be used as positioning points of the head) and a second image position of the feet of the object in the image, and determine the actual height difference between the head and feet of the object along the vertical direction based on the image distance between the first image position and the second image position and the conversion relationship between the preset image coordinates and the space coordinates.

[0151] Here, the user's posture is analyzed by comparing the vertical height difference between the head and feet of the object of image analysis with the set height threshold. This is helpful to ensure that when the user lies down in any different posture (for example, lying flat, lying with one leg up, or lying prone), it can also be simply and accurately identified whether the user is currently lying down, thereby ensuring the accuracy of the preset wind mode control and further ensuring the effective balance between the air conditioner's heat exchange effect and low noise effect.

[0152] Further, based on any of the above embodiments, another embodiment of the control method of the air conditioner of the present application is proposed. Figure 5 , the process of obtaining the first speed is as follows:

[0153] Step S01, obtaining a third speed; the third speed is the operating speed of the indoor fan before the preset wind sensing mode is started;

[0154] In this embodiment, after the air conditioner is turned on, it can first operate in the first wind sensing mode mentioned in the above embodiment. During the operation in the first wind sensing mode, it can be detected in real time whether the start instruction of the preset wind sensing mode is received. If the start instruction of the preset wind sensing mode is detected, the operating speed of the indoor fan before the first wind sensing mode is switched to the first wind sensing mode can be detected in real time as the third speed here.

[0155] Furthermore, before step S01, it can be determined whether the air conditioner is in an unpowered state before the preset wind sensing mode is started. If the air conditioner is in a powered-on state, step S01 can be executed; if the air conditioner is in an unpowered state, the first speed can be determined within a speed range that is less than or equal to the first maximum speed, for example, the first maximum speed can be used as the first speed.

[0156] Step S02, determining the first speed within a speed range that is less than or equal to the third speed and less than or equal to the first maximum speed;

[0157] Among them, the first maximum speed is the maximum speed at which the indoor fan is allowed to operate corresponding to the set noise value.

[0158] Specifically, less than or equal to the third speed is defined as the first condition, less than or equal to the first maximum speed is defined as the second condition, and the set of all speed values ​​that meet the first condition and the second condition is determined as the target speed range. Within the target speed range, one can be selected as the first speed according to a pre-set rule or randomly. For example, in order to ensure the heat exchange of the air conditioner, the speed value with the largest value within the target speed range can be used as the first speed.

[0159] In this embodiment, the operating speed of the indoor fan is limited based on the speed before the preset wind sense mode is entered and the maximum speed corresponding to the set noise value. Therefore, when the indoor fan operates at the first speed in the preset wind sense mode, the operating noise of the air conditioner will not exceed the set noise value. At the same time, the operating noise of the air conditioner will not suddenly increase before and after the preset wind sense mode is started, so as to ensure that the indoor environment can be maintained in a stable low-noise state, further improving the user experience in the preset wind sense mode.

[0160] Specifically, in this embodiment, step S02 includes:

[0161] Step S021, obtaining the indoor ambient temperature;

[0162] The indoor ambient temperature can be specifically detected by a temperature sensor arranged at the return air outlet of the air conditioner.

[0163] Step S022, determining a speed upper limit value according to the indoor ambient temperature and a first speed critical value;

[0164] The first speed critical value includes the first maximum speed and / or the first minimum speed allowed for the indoor fan in the first mode, and the speed upper limit is less than or equal to the first maximum speed. The first minimum speed is specifically the minimum speed value allowed for the first speed.

[0165] Different indoor ambient temperatures and different first speed critical values ​​may correspond to different speed upper limits. The speed upper limit here is specifically the maximum value of the indoor fan speed allowed in the first mode determined based on the current operating conditions of the air conditioner. The correspondence between the indoor ambient temperature, the first speed critical value and the speed upper limit may be preset, and may be a mapping relationship, a calculation relationship, etc. The speed upper limit corresponding to the current indoor ambient temperature and the first speed critical value may be determined based on the preset correspondence.

[0166] Specifically, the speed correction value can be determined according to the indoor ambient temperature, and the result of correcting the first speed critical value according to the speed correction value is used as the speed upper limit value. When the first speed critical value includes the first minimum speed, the result of increasing the first minimum speed according to the speed correction value is used as the speed upper limit value; when the first speed critical value includes the first maximum speed, the speed correction value is not 0, and the result of reducing the first maximum speed according to the speed correction value is used as the speed upper limit value. When the speed correction value is 0, the first maximum speed can be directly used as the speed upper limit value.

[0167] Step S023: determining that the minimum value between the third speed and the speed upper limit is the first speed.

[0168] The third speed is compared with the speed upper limit. If the third speed is greater than the speed upper limit, the speed upper limit can be used as the first speed. If the third speed is less than the speed upper limit, the third speed can be used as the first speed.

[0169] In this embodiment, through steps S021 to S023, the indoor ambient temperature can characterize the indoor heat exchange demand. Therefore, the speed upper limit value is determined in combination with the indoor ambient temperature and the first speed critical value, and the minimum value of the determined speed upper limit value and the third speed is used as the first speed. It can be ensured that the first speed can meet the indoor environment heat exchange demand while ensuring that the air conditioner operation noise does not exceed the set noise value, thereby achieving an effective balance between heat exchange effect and low noise effect.

[0170] Specifically, the step of determining the upper speed limit value based on the indoor ambient temperature and the first speed critical value includes: determining the temperature difference between the indoor ambient temperature and the set temperature of the air conditioner; when the temperature difference is greater than or equal to the set temperature difference, determining the first maximum speed as the upper speed limit value; when the temperature difference is less than the set temperature difference, determining a first speed correction value based on the temperature difference, the set temperature difference and the first speed adjustment amount, and correcting the first minimum speed or the first maximum speed based on the first speed correction value to obtain the upper speed limit value; the first speed adjustment amount is the deviation between the first minimum speed and the first maximum speed, and the upper speed limit value tends to decrease as the temperature difference decreases.

[0171] In this embodiment, the upper speed limit value decreases linearly as the temperature difference decreases. In other embodiments, the upper speed limit value decreases nonlinearly (eg, exponentially) as the temperature difference decreases.

[0172] Specifically, determine the relationship parameter (such as ratio, difference, etc.) between the temperature difference and the set temperature difference, use the relationship parameter as the adjustment coefficient of the first speed adjustment amount, and adjust the first speed adjustment amount according to the adjustment coefficient to obtain the first speed correction value. The result after increasing the first minimum speed according to the first speed correction value is used as the speed upper limit value, or the result after reducing the first maximum speed according to the first speed correction value is used as the speed upper limit value. The first speed correction value can be a correction amplitude or a correction coefficient. It should be noted that the first speed correction value when the first speed critical value is the first minimum speed is different from the first speed correction value when the first speed critical value is the first maximum speed.

[0173] For example, the controller detects the indoor fan speed AI before entering the windless state, and reads the maximum noise limit MaxDB (i.e., the set noise value) of the low noise state required by the user when sleeping, which corresponds to the maximum allowable indoor fan speed MaxB (i.e., the first maximum speed). For example, the highest brand noise value of the air conditioner indoor unit is 42 decibels. During operation, in order to prevent the operating noise of the air conditioner from disturbing the user's rest, the maximum noise limit MaxDB of the air conditioner in the low noise state under the user's sleeping condition is set to 32 decibels. The experimental measurement shows that the noise value MaxB of the air conditioner indoor unit when running at 32 decibels is 500 rpm.

[0174] The indoor temperature sensor detects the current indoor temperature value Tin. When the difference (Tin - Ts) between the indoor temperature value Tin and the set target temperature value Ts is greater than or equal to the first set temperature difference TC, i.e., (Tin - Ts) >= TC, compare the previous running speed AI of the indoor fan in the no-wind feeling state with MaxB. When AI >= MaxB, the running speed BI of the indoor fan is reduced to MaxB, i.e., BI = MaxB; when AI < MaxB, the running speed BI of the indoor fan remains at the current AI speed, i.e., BI = AI; here, MaxB is the upper limit value of the speed.

[0175] When the difference (Tin - Ts) between the indoor temperature Tin and the set target temperature Ts is less than the set temperature difference TC, i.e., (Tin - Ts) < TC, calculate the linear interpolation A between the minimum allowable running speed MinL of the indoor fan and the maximum speed MaxB in the low-noise no-wind feeling state, i.e., A = (Tin - Ts) / TC * (MaxB - MinL) + MinL, where MinL is the first minimum speed, and compare the previous running speed AI of the indoor fan in the no-wind feeling state with A. When AI >= the linear interpolation A, set the running speed BI of the indoor fan to A, i.e., BI = A; when AI < A, set the running speed BI of the indoor fan to AI, i.e., BI = AI; here, A is the upper limit value of the speed.

[0176] In this embodiment, when the temperature difference between the indoor environment temperature and the set temperature is different, the corresponding upper limit value of the speed is different. Among them, when the temperature difference is larger, the upper limit value of the speed is larger, and when the temperature difference is smaller, the upper limit value of the speed is smaller. Thus, on the basis of ensuring relatively low noise, when the heat exchange demand is large, the indoor fan can adopt as large a speed as possible to ensure the indoor heat exchange effect. When the heat exchange demand is small, the indoor fan can adopt as small a speed as possible, meeting the indoor heat exchange demand and further improving the low-noise effect.

[0177] Further, based on any of the above embodiments, another embodiment of the control method of the air conditioner in this application is proposed. In this embodiment, referring to Figure 6 , the process of obtaining the second speed is as follows:

[0178] Step S03, obtain the indoor environment temperature;

[0179] Step S04, determine the second speed according to the indoor environment temperature and the second speed critical value; the second speed critical value includes the second maximum speed and / or the second minimum speed allowed for the indoor fan to run in the second mode, and the second maximum speed is greater than the first maximum speed allowed for the indoor fan to run corresponding to the set noise value. Among them, the second minimum speed can be greater than or equal to the above first minimum speed. Specifically, in this embodiment, the second minimum speed can be greater than the above first maximum speed.

[0180] Different indoor ambient temperatures and different second speed critical values ​​may correspond to different second speeds. The correspondence between the indoor ambient temperature, the second speed critical value and the second speed may be preset, and may be a mapping relationship, a calculation relationship, etc. The second speed corresponding to the current indoor ambient temperature and the second speed critical value may be determined based on the preset correspondence.

[0181] Specifically, the speed correction value can be determined according to the indoor ambient temperature, and the result after correcting the second speed critical value according to the speed correction value is used as the second speed. When the second speed critical value includes the second minimum speed, the result after increasing the second minimum speed according to the speed correction value is used as the second speed; when the second speed critical value includes the second maximum speed, the speed correction value is not 0, and the result after reducing the second maximum speed according to the speed correction value is used as the second speed. When the speed correction value is 0, the second maximum speed can be directly used as the second speed.

[0182] In this embodiment, through steps S03 to S04, the indoor ambient temperature can represent the indoor heat exchange demand. Therefore, the second speed is determined in combination with the indoor ambient temperature and the second speed critical value, which can ensure that the second speed accurately meets the indoor heat exchange demand and ensures the heat exchange effect of the air conditioner.

[0183] Specifically, in this embodiment, step S04 includes: determining the temperature difference between the indoor ambient temperature and the set temperature of the air conditioner; when the temperature difference is greater than or equal to the set temperature difference, determining the second maximum speed as the second speed; when the temperature difference is less than the set temperature difference, determining a second speed correction value based on the temperature difference, the set temperature difference and the second speed adjustment amount, and correcting the second maximum speed or the second minimum speed based on the second speed correction value to obtain the second speed; the second speed adjustment amount is the deviation between the second minimum speed and the second maximum speed, and the second speed tends to decrease as the temperature difference decreases.

[0184] It should be noted that the temperature difference and the set temperature difference here refer to the same concepts as the temperature difference and the set temperature difference in the above embodiment.

[0185] In this embodiment, the second rotation speed decreases linearly as the temperature difference decreases. In other embodiments, the second rotation speed may also decrease nonlinearly (eg, exponentially) as the temperature difference decreases.

[0186] Specifically, determine the relationship parameter (such as ratio, difference, etc.) between the temperature difference and the set temperature difference, use the relationship parameter as the adjustment coefficient of the second rotational speed adjustment amount, and obtain the second rotational speed correction value after adjusting the second rotational speed adjustment amount according to the adjustment coefficient. The result of increasing the second minimum rotational speed according to the second rotational speed correction value is used as the second rotational speed, or the result of decreasing the second maximum rotational speed according to the second rotational speed correction value is used as the second rotational speed. The second rotational speed correction value can be a correction amplitude or a correction coefficient. It should be noted that the second rotational speed correction value when the second rotational speed critical value is the second minimum rotational speed is different from the second rotational speed correction value when the second rotational speed critical value is the second maximum rotational speed.

[0187] For example, the indoor temperature sensor detects the current indoor temperature Tin, and the controller compares whether the difference between the current indoor temperature value Tin and the set target temperature value Ts is greater than the first set temperature difference value Tc. When (Tin - Ts) >= Tc, the indoor fan speed operates at the highest speed MaxL (i.e., the second maximum rotational speed) set in the windless feeling state, and the MaxL value is greater than the above-mentioned MaxB. If (Tin - Ts) < Tc, then calculate the linear interpolation A2 between the minimum allowable operating speed MinL of the indoor fan and the highest operating speed MaxL corresponding to the windless feeling with priority on refrigerating capacity, that is, A2 = (Tin - Ts) / TC * (MaxL - MinL) + MinL, where MinL is the second minimum rotational speed, and then the indoor fan speed BI operates according to the calculated linear interpolation A2.

[0188] The following is an example to illustrate the determination process of the first maximum rotational speed MaxB and the second maximum rotational speed MaxL: The highest noise value on the nameplate of the indoor unit of the air conditioner is 42 decibels. When the air conditioner operates in the conventional state (such as the first wind feeling mode above), the air deflector is fully opened ( Figure 1 a), 42 decibels is the nameplate noise value marked on the indoor unit of the air conditioner, that is, in any state, the operating noise of the indoor unit of the air conditioner cannot be higher than 42 decibels. Under the conditions of the conventional state (such as the first wind feeling mode above), the fan speed corresponding to 42 decibels is 1300 revolutions per minute. When operating in the preset wind feeling mode with priority on refrigerating capacity, the air diffuser closes the air outlet (such as Figure 1c), when the wind flows out from the small holes on the air dispersion plate, the maximum speed of the indoor fan is 1000 rpm when the noise value is not higher than 42 decibels. The speed value obtained is Max (i.e., the second maximum speed) L. In the windless state with low noise priority, in order to prevent the air conditioning noise from disturbing the user's rest, the maximum noise limit MaxDB (i.e., the set noise value) of the air conditioner in the low noise state under the user's sleeping condition is set to 32 decibels. The experimental measurement shows that the noise value MaxB (i.e., the first maximum speed) of the air conditioner indoor unit when running at 32 decibels is 500 rpm. At this time, MaxL is 1000 rpm, which is greater than MaxB, and MaxB is 500 rpm.

[0189] In addition, an embodiment of the present invention further proposes a computer-readable storage medium, on which a control program for an air conditioner is stored. When the control program for the air conditioner is executed by a processor, the relevant steps of any embodiment of the above air conditioner control method are implemented.

[0190] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0191] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0192] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes a number of instructions for a terminal device (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0193] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for controlling an air conditioner, characterized in that: The air outlet of the air conditioner is provided with an air dispersion plate, and the control method of the air conditioner comprises the following steps: receiving a start instruction of a preset wind sensing mode, and acquiring status information of an object of the air conditioner; the status information includes information of whether the object of the air conditioner is in a resting state; the preset wind sensing mode includes a first mode and a second mode; In the first mode and the second mode, determining one of them as a target mode according to the state information; controlling the operation of the air conditioner according to the target mode; The air outlet wind speeds of the air conditioner corresponding to the first mode and the second mode are both less than the set wind speed threshold, the operating noise of the air conditioner corresponding to the first mode is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second mode is greater than the set heat exchange amount; The step of controlling the operation of the air conditioner according to the target mode comprises: When the target mode is the first mode, controlling the indoor fan of the air conditioner to run at a first speed, and controlling the air dispersion plate to partially cover the air outlet; When the target mode is the second mode, controlling the indoor fan to run at a second speed, and controlling the air dispersion plate to completely cover the air outlet; Wherein, the operating noise of the air conditioner corresponding to the first speed is less than or equal to the set noise value, and the heat exchange amount of the air conditioner corresponding to the second speed is greater than the set heat exchange amount.

2. The air conditioner control method according to claim 1, characterized in that: The step of determining one of the first mode and the second mode as the target mode according to the state information comprises: When the state information indicates that the object is in a resting state, determining the first mode as the target mode; When the state information indicates that the object is not in a resting state, the second mode is determined to be the target mode.

3. The air conditioner control method according to claim 1, characterized in that: The step of obtaining the status information of the object of the air conditioner comprises: Acquire the current posture information of the action object, the ambient brightness of the action space of the air conditioner and / or the current time; The state information is determined according to the posture information, the ambient brightness and / or the current moment.

4. The air conditioner control method according to claim 3, characterized in that: The step of determining the state information according to the posture information, the ambient brightness and the current moment comprises: When the posture information is a lying posture, when the ambient brightness is less than or equal to a set brightness threshold, and / or when the current time is at night, determining that the state information is that the object is in a resting state; When the posture information is a posture other than lying down, when the ambient brightness is greater than the set brightness threshold, and when the current time is during daytime, it is determined that the state information indicates that the object is not in a resting state.

5. The air conditioner control method according to claim 3, characterized in that: The step of determining the state information according to the posture information comprises: When the posture information is a lying posture, determining the state information is that the object is in a resting state; When the posture information is a posture other than a lying posture, determining that the state information is that the action object is not in a resting state; Alternatively, the step of determining the state information according to the ambient brightness includes: When the ambient brightness is less than or equal to a set brightness threshold, determining that the state information indicates that the subject is in a resting state; When the ambient brightness is greater than the set brightness threshold, determining that the state information indicates that the object is not in a resting state; Alternatively, the step of determining the state information according to the current moment includes: When the current time is in the night time period, determining the state information as the object being acted on is in a resting state; When the current time is in the daytime period, it is determined that the state information indicates that the object is not in a resting state.

6. The control method of the air conditioner according to claim 3, characterized in that: The step of obtaining the current posture information of the object of action comprises: Acquire an image of the object of action; Determine the height difference between the head and the feet of the subject in the vertical direction according to the image; If the height difference is less than or equal to the set height threshold, determining that the posture information indicates that the object is in a lying position; If the height difference is greater than the set height threshold, it is determined that the posture information indicates that the object is not in a lying position.

7. The air conditioner control method according to any one of claims 1 to 6, characterized in that: The air conditioner is a wall-mounted air conditioner, and the step of controlling the air dispersion plate to partially block the air outlet comprises: The wind dispersing plate is controlled to operate in a target wind blocking state, wherein the target wind blocking state is a state in which an upper edge of the wind dispersing plate is spaced apart from an upper edge of the air outlet.

8. The method for controlling an air conditioner according to any one of claims 1 to 6, characterized in that: The process of obtaining the first rotation speed is as follows: Acquire a third speed; the third speed is the operating speed of the indoor fan before the preset wind sensing mode is started; Determining the first speed within a speed range that is less than or equal to the third speed and less than or equal to the first maximum speed; Among them, the first maximum speed is the maximum speed at which the indoor fan is allowed to operate corresponding to the set noise value.

9. The air conditioner control method according to claim 8, characterized in that: The step of determining the first speed within a speed range that is less than or equal to the third speed and less than or equal to the first maximum speed comprises: Get the indoor ambient temperature; Determining a speed upper limit value according to the indoor ambient temperature and a first speed critical value; Determine the minimum value between the third rotational speed and the rotational speed upper limit as the first rotational speed; The first speed critical value includes the first maximum speed and / or the first minimum speed allowed for the indoor fan to operate in the first mode, and the speed upper limit value is less than or equal to the first maximum speed.

10. The air conditioner control method according to claim 9, characterized in that: The step of determining the upper speed limit value according to the indoor ambient temperature and the first speed critical value comprises: Determining a temperature difference between the indoor ambient temperature and a set temperature of the air conditioner; When the temperature difference is greater than or equal to a set temperature difference, determining the first maximum speed as the speed upper limit; When the temperature difference is less than the set temperature difference, determining a first speed correction value according to the temperature difference, the set temperature difference and a first speed adjustment amount, and correcting the first minimum speed or the first maximum speed according to the first speed correction value to obtain the speed upper limit value; The first speed adjustment amount is a deviation between the first minimum speed and the first maximum speed, and the speed upper limit tends to decrease as the temperature difference decreases.

11. The air conditioner control method according to any one of claims 1 to 6, characterized in that: The process of obtaining the second speed is as follows: Get the indoor ambient temperature; determining the second speed according to the indoor ambient temperature and the second speed critical value; The second speed critical value includes a second maximum speed and / or a second minimum speed allowed for the indoor fan to operate in the second mode, and the second maximum speed is greater than the first maximum speed allowed for the indoor fan to operate corresponding to the set noise value.

12. The air conditioner control method according to claim 11, characterized in that: The step of determining the second speed according to the indoor ambient temperature and the second speed critical value comprises: Determining a temperature difference between the indoor ambient temperature and a set temperature of the air conditioner; When the temperature difference is greater than or equal to a set temperature difference, determining the second maximum speed to be the second speed; When the temperature difference is less than the set temperature difference, determining a second speed correction value according to the temperature difference, the set temperature difference and a second speed adjustment amount, and correcting the second maximum speed or the second minimum speed according to the second speed correction value to obtain the second speed; The second speed adjustment amount is a deviation between the second minimum speed and the second maximum speed, and the second speed shows a decreasing trend as the temperature difference decreases.

13. An air conditioner, characterized in that: The air conditioner includes a control device, which includes: a memory, a processor, and a control program for the air conditioner stored in the memory and executable on the processor. When the control program for the air conditioner is executed by the processor, the steps of the control method for the air conditioner as described in any one of claims 1 to 12 are implemented.

14. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a control program for the air conditioner, and when the control program for the air conditioner is executed by the processor, the steps of the control method for the air conditioner according to any one of claims 1 to 12 are implemented.

Images