Control method and device for reducing noise influence of outdoor unit of air conditioner and air conditioner

Abstract

The invention provides a control method and device for reducing the noise influence of an air conditioner outdoor unit and an air conditioner, and is applied to the field of air conditioner control. The method comprises the steps that body movement monitoring is conducted on a target area in an outdoor area based on a millimeter wave radar arranged on the outdoor unit; under the condition that the limb action of any target object in the target area is determined as the target triggering action, the outdoor unit is controlled to execute noise reduction operation; wherein the noise reduction operation comprises at least one of the following steps: reducing the rotating speed of a fan of the outdoor unit and reducing the running frequency of a compressor. The control method and device for reducing the noise influence of the air conditioner outdoor unit and the air conditioner are used for reducing the influence of the noise of the air conditioner outdoor unit on surrounding neighbors.

Description

Technical Field

[0001] The present application relates to the field of air conditioner control, and in particular to a control method, device and air conditioner for reducing the noise impact of an air conditioner outdoor unit. Background Art

[0002] As people's living standards continue to improve and the level of intelligence of home appliances continues to increase, smart home appliances are becoming more and more popular. Users can use air conditioners for heating in winter to increase the indoor temperature, and can also use air conditioners for cooling in summer to reduce the indoor temperature.

[0003] When the air conditioner is turned on, the sound from the outdoor unit will be transmitted to the indoor through the window or the building body, which may cause dissatisfaction among neighbors. In serious cases, it may cause complaints from neighbors and affect neighborhood relations. In related technologies, the noise generated by the air conditioner during operation can be reduced by adding sound insulation cotton and other measures. However, this noise reduction method is not effective enough, and the noise reduction effect will become worse as the air conditioner is used for a longer time.

[0004] Based on this, there is an urgent need for an air conditioner control method that can reduce the impact of the air conditioner outdoor unit noise on surrounding neighbors. Summary of the invention

[0005] The purpose of the present application is to provide a control method, device and air conditioner for reducing the impact of noise from an air conditioner outdoor unit, so as to reduce the impact of noise from the air conditioner outdoor unit on surrounding neighbors.

[0006] The present application provides a control method for reducing the noise impact of an air conditioner outdoor unit, the method comprising:

[0007] Based on the millimeter-wave radar arranged on the outdoor unit, the body movements of the target area in the outdoor area are monitored; when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0008] Optionally, when the physical movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation, including: when the physical movement of any target object in the target area is determined as a target triggering action, determining the target distance between the target object and the outdoor unit; determining a first adjustment ratio of the fan speed of the outdoor unit and / or a second adjustment ratio of the compressor operating frequency according to the target distance; reducing the fan speed of the outdoor unit according to the first adjustment ratio and / or reducing the compressor operating frequency according to the second adjustment ratio; wherein the first adjustment ratio is negatively correlated with the target distance; and the second adjustment ratio is negatively correlated with the target distance.

[0009] Optionally, the target trigger action includes: a first trigger action, a second trigger action and a third trigger action; when the physical movement of any target object in the target area is determined as a target trigger action, the outdoor unit is controlled to perform a noise reduction operation, including: when the physical movement of the target object is determined as the first trigger action, the fan speed of the outdoor unit and / or the compressor operating frequency are reduced according to the first adjustment parameter; or, when the physical movement of the target object is determined as the second trigger action, the fan speed of the outdoor unit and / or the compressor operating frequency are reduced according to the second adjustment parameter; or, when the physical movement of the target object is determined as the third trigger action, the fan speed of the outdoor unit and / or the compressor operating frequency are reduced according to the third adjustment parameter; wherein the adjustment range of the first adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit; the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the third adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit.

[0010] Optionally, a vibration elimination device is provided on the outdoor unit; the millimeter-wave radar is provided on the vibration elimination device; the millimeter-wave radar is not in direct contact with the vibration elimination device; when the body movement of any target object in the target area is determined as a target triggering action, before controlling the outdoor unit to perform a noise reduction operation, the method further includes: when the outdoor unit is running, obtaining a first vibration signal of the outdoor unit; calculating an average value of multiple vibration amplitudes contained in the first vibration signal and an average value of multiple vibration periods contained in the first vibration signal according to the first vibration signal, obtaining an average vibration amplitude and an average vibration period, and generating a second vibration signal based on the average vibration amplitude and the average vibration period; controlling the vibration generator provided on the vibration elimination device to vibrate based on the second vibration signal to reduce the influence of the vibration of the outdoor unit on the millimeter-wave radar imaging; wherein, the vibration elimination device is provided on the outdoor unit, the millimeter-wave radar is provided on the vibration elimination device, and the millimeter-wave radar is not in direct contact with the outdoor unit; wherein, the first vibration signal includes: vibration information of multiple vibrations of the outdoor unit.

[0011] Optionally, obtaining the first vibration signal of the outdoor unit includes: obtaining vibration information of the outdoor unit; the vibration information includes: the vibration amplitude of each vibration, and the vibration period of each vibration; when the vibration information indicates that the vibration amplitude of the outdoor unit is greater than a preset amplitude, and / or the vibration frequency of the outdoor unit is greater than a preset frequency, performing vibration sampling on the outdoor unit by means of the vibration sensor to obtain the first vibration signal.

[0012] Optionally, calculating an average value of multiple vibration amplitudes contained in the first vibration signal and an average value of multiple vibration periods contained in the first vibration signal according to the first vibration signal to obtain an average vibration amplitude and an average vibration period includes: determining the vibration period of each vibration and the vibration amplitude of each vibration in the vibration information of multiple vibrations contained in the first vibration signal; calculating the average vibration period according to the vibration period of each vibration, and calculating the average vibration amplitude according to the vibration amplitude of each vibration.

[0013] Optionally, generating a second vibration signal based on the average vibration amplitude and the average vibration period includes: generating a sinusoidal wave fitting signal according to the average vibration amplitude and the average vibration period; offsetting the sinusoidal wave fitting signal according to a target offset to obtain the second vibration signal; wherein the target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

[0014] Optionally, a linear motor is provided on the vibration generator; a rotating mechanism for adjusting the angle of the linear motor is also provided on the vibration generator; and controlling the vibration of the vibration generator provided on the vibration elimination device based on the second vibration signal comprises: determining the vibration direction of the outdoor unit according to the vibration signal of the outdoor unit, and determining the rotation angle and rotation direction of the rotating mechanism according to the vibration direction of the outdoor unit, and determining the voltage value and frequency value of the input voltage of the linear motor according to the vibration amplitude and vibration period of the second vibration signal; controlling the rotation of the rotating mechanism according to the rotation angle and rotation direction of the rotating mechanism, and controlling the operation of the linear motor according to the voltage value and frequency value of the input voltage; wherein the rotating mechanism is used to keep the vibration direction of the linear motor consistent with the vibration direction of the outdoor unit.

[0015] The present application also provides a control device for reducing the noise impact of an air conditioner outdoor unit, the device comprising:

[0016] A body movement monitoring module is used to monitor the body movement of a target area in the outdoor area based on the millimeter wave radar set on the outdoor unit; a control module is used to control the outdoor unit to perform a noise reduction operation when the body movement of any target object in the target area is determined as a target triggering action; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0017] Optionally, the device also includes: a determination module; the determination module is used to determine the target distance between the target object and the outdoor unit when the physical movement of any target object in the target area is determined as a target triggering action; the determination module is also used to determine a first adjustment ratio of the fan speed of the outdoor unit and / or a second adjustment ratio of the compressor operating frequency according to the target distance; the control module is specifically used to reduce the fan speed of the outdoor unit according to the first adjustment ratio and / or reduce the compressor operating frequency according to the second adjustment ratio; wherein the first adjustment ratio is negatively correlated with the target distance; the second adjustment ratio is negatively correlated with the target distance.

[0018] Optionally, the target trigger action includes: a first trigger action, a second trigger action and a third trigger action; the control module is specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the first adjustment parameter when the physical movement of the target object is determined as the first trigger action; the control module is also specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the second adjustment parameter when the physical movement of the target object is determined as the second trigger action; the control module is also specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the third adjustment parameter when the physical movement of the target object is determined as the third trigger action; wherein the adjustment range of the fan speed and the compressor operating frequency of the outdoor unit by the first adjustment parameter is greater than the adjustment range of the fan speed and the compressor operating frequency of the outdoor unit by the second adjustment parameter; the adjustment range of the fan speed and the compressor operating frequency of the outdoor unit by the second adjustment parameter is greater than the adjustment range of the fan speed and the compressor operating frequency of the outdoor unit by the third adjustment parameter.

[0019] Optionally, the device also includes: an acquisition module, a calculation module and a generation module; the acquisition module is used to acquire a first vibration signal of the outdoor unit when the outdoor unit is running; the calculation module is used to calculate the average value of multiple vibration amplitudes contained in the first vibration signal and the average value of multiple vibration periods contained in the first vibration signal according to the first vibration signal to obtain an average vibration amplitude and an average vibration period; the generation module is used to generate a second vibration signal based on the average vibration amplitude and the average vibration period; the control module is also used to control the vibration generator provided on the vibration elimination device to vibrate based on the second vibration signal to reduce the influence of the vibration of the outdoor unit on millimeter-wave radar imaging; wherein the vibration elimination device is provided on the outdoor unit, the millimeter-wave radar is provided on the vibration elimination device, and the millimeter-wave radar is not in direct contact with the outdoor unit; wherein the first vibration signal includes: vibration information of multiple vibrations of the outdoor unit.

[0020] Optionally, the acquisition module is specifically used to acquire vibration information of the outdoor unit; the vibration information includes: the vibration amplitude of each vibration, and the vibration period of each vibration; the acquisition module is also specifically used to perform vibration sampling on the outdoor unit through the vibration sensor to obtain the first vibration signal when the vibration information indicates that the vibration amplitude of the outdoor unit is greater than a preset amplitude, and / or the vibration frequency of the outdoor unit is greater than a preset frequency.

[0021] Optionally, the determination module is also used to determine the vibration period of each vibration and the vibration amplitude of each vibration in the vibration information of multiple vibrations contained in the first vibration signal; the calculation device is specifically used to calculate the average vibration period according to the vibration period of each vibration, and calculate the average vibration amplitude according to the vibration amplitude of each vibration.

[0022] Optionally, the generating module is specifically used to generate a sinusoidal wave fitting signal according to the average vibration amplitude and the average vibration period; the generating module is also specifically used to offset the sinusoidal wave fitting signal according to a target offset to obtain the second vibration signal; wherein the target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

[0023] Optionally, a linear motor is provided on the vibration generator; a rotating mechanism for adjusting the angle of the linear motor is also provided on the vibration generator; the calculation module is also used to determine the vibration direction of the outdoor unit according to the vibration signal of the outdoor unit, and determine the rotation angle and rotation direction of the rotating mechanism according to the vibration direction of the outdoor unit, and determine the voltage value and frequency value of the input voltage of the linear motor according to the vibration amplitude and vibration period of the second vibration signal; the control module is specifically used to control the rotation of the rotating mechanism according to the rotation angle and rotation direction of the rotating mechanism, and control the operation of the linear motor according to the voltage value and frequency value of the input voltage; wherein the rotating mechanism is used to keep the vibration direction of the linear motor consistent with the vibration direction of the outdoor unit.

[0024] The present application also provides an air conditioner, wherein a vibration elimination device is provided on an outdoor unit of the air conditioner, and the air conditioner can implement the steps of any of the above-mentioned control methods for reducing the noise impact of the outdoor unit of the air conditioner.

[0025] The present application also provides a computer program product, including a computer program / instruction, which, when executed by a processor, implements the steps of the control method for reducing the noise impact of an air conditioner outdoor unit as described in any one of the above.

[0026] The present application also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of the control method for reducing the noise impact of an air conditioner outdoor unit as described in any one of the above are implemented.

[0027] The present application also provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the control method for reducing the noise impact of an air conditioner outdoor unit as described in any one of the above are implemented.

[0028] The control method, device and air conditioner provided by the present application for reducing the noise impact of the outdoor unit of the air conditioner, firstly, based on the millimeter wave radar set on the outdoor unit, the body movement monitoring of the target area in the outdoor area is performed; then, when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein, the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit, reducing the operating frequency of the compressor. In this way, other people affected by the noise of the outdoor unit can use specific gestures to inform the air conditioner that the noise generated by the outdoor unit has affected them, so that the air conditioner can reduce the noise of the outdoor unit by reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 It is a schematic diagram of the operating principle of the air conditioner provided by this application;

[0031] Figure 2 This is one of the flow charts of the control method for reducing the noise impact of the outdoor unit of the air conditioner provided by the present application;

[0032] Figure 3 It is a schematic diagram of the structure of the vibration elimination device provided by the present application;

[0033] Figure 4 This is the second flow chart of the control method for reducing the noise impact of the air conditioner outdoor unit provided by the present application;

[0034] Figure 5 is a waveform diagram of the vibration wave generated by the vibration of the air conditioner provided in the present application;

[0035] Figure 6 It is a waveform cancellation schematic diagram provided by the present application;

[0036] Figure 7 It is a structural schematic diagram of a control device for reducing the noise impact of an air conditioner outdoor unit provided by the present application;

[0037] Figure 8It is a schematic diagram of the structure of the electronic device provided by this application. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the drawings in this application. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0039] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0040] The operating principle of the air conditioner involved in the embodiment of the present application is described in detail below:

[0041] like Figure 1 As shown in the figure, the compressor compresses the refrigerant (coolant) and transports it to the condenser through a pipeline. The high-temperature and high-pressure gaseous refrigerant releases heat in the condenser and becomes a medium-temperature and high-pressure liquid refrigerant. After that, the medium-temperature and high-pressure liquid refrigerant is depressurized by a capillary tube (throttling unit) and becomes a low-temperature and low-pressure liquid refrigerant. The low-temperature and low-pressure liquid refrigerant is transported to the evaporator to evaporate from liquid to gas, and absorbs a large amount of heat during the evaporation process. Finally, the low-temperature and low-pressure gaseous refrigerant in the evaporator is transported to the compressor to participate in the next cycle. When the air conditioner is cooling, the heat exchanger of the outdoor unit is the condenser, and the heat exchanger of the indoor unit is the evaporator; conversely, when the air conditioner is heating, the heat exchanger of the outdoor unit is the evaporator, and the heat exchanger of the indoor unit is the condenser.

[0042] The following is a description of the professional terms involved in the embodiments of the present application:

[0043] Millimeter wave radar: It is a new type of wireless communication technology that has developed rapidly in recent years and is also widely used in human body detection. Millimeter wave radar technology transmits millimeter wave signals to the target object and receives its echo signal. It uses the slight changes in weak signals to extract relevant information of the target object, thereby achieving non-contact and non-invasive measurement and identification of the object.

[0044] Based on the above characteristics of millimeter wave radar, its application in human body detection includes the following aspects:

[0045] Health monitoring: By detecting physiological parameters such as heartbeat, breathing, and body temperature of the human body, it is used for health monitoring and disease prevention. For example, in the medical field, the patient's heart or breathing power can be monitored by millimeter-wave radar, which can allow doctors to understand the patient's health status more accurately. Posture recognition: By detecting and identifying human posture, it can be further applied to human motion analysis, posture correction and other fields, which is of great help to people's physical health and exercise effects. For example, in the gym, millimeter-wave radar can be used to detect whether the athlete's posture is accurate, so as to correct the athlete's wrong posture and reduce sports injuries. Human safety detection: Millimeter-wave radar can perform security checks on the human body, identify and detect dangerous goods and thermal energy materials, such as timely discovering people carrying dangerous goods in airports and large public places to ensure safety. In addition, when it is detected that the human body is in poor condition, the millimeter-wave radar can also automatically send a signal to the emergency personnel to obtain emergency help. In short, millimeter-wave radar has many applications in human detection, which can effectively improve people's quality of life and ensure human safety. Due to the development of millimeter-wave radar technology, future applications will also be more extensive and diversified.

[0046] Compared with traditional infrared sensors, millimeter wave radar has the following advantages:

[0047] Low false touch and wide range: Compared with infrared sensor trigger, it reduces the false touch rate and breaks the limitations of mobile monitoring. Millimeter wave radar can realize the presence perception, trajectory tracking and headcount of target personnel within the scope of office scene area. No privacy leakage risk: Compared with cameras, millimeter wave radar does not involve privacy leakage and complies with relevant privacy regulations. It is more suitable for office scenes where it is not convenient to deploy cameras, such as employee office areas, meeting spaces, open spaces, and even highly sensitive places such as toilets and rest areas. Strong environmental adaptability: Compared with infrared sensing equipment that relies on translucent materials such as glass and plastic as the shell, ultrasonic equipment needs to avoid the shortcomings of obstructions when using it, while millimeter wave radar has fewer limiting factors. It does not need to have a specific shape setting like infrared sensors, nor does it need to be installed in a place with a wide viewing angle like smart cameras. It has penetrating characteristics and can be integrated into different devices as a basic hardware to function.

[0048] According to the above content, since the compressor is installed in the outdoor unit, when the air conditioner is running in cooling or heating mode, the outdoor unit will inevitably produce a lot of noise, especially in summer when many families will open windows for ventilation, and the impact will be greater.

[0049] In response to the above-mentioned technical problems existing in the related technology, an embodiment of the present application provides a control method for reducing the impact of the noise of the outdoor unit of the air conditioner. Other people affected by the noise of the outdoor unit can use specific gestures to inform the air conditioner that the noise generated by the outdoor unit has affected them, so that the air conditioner can reduce the noise of the outdoor unit by reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor and other noise reduction measures.

[0050] The control method for reducing the noise impact of the air conditioner outdoor unit provided in the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and their application scenarios.

[0051] like Figure 2 As shown, a control method for reducing the noise impact of an air conditioner outdoor unit provided in an embodiment of the present application may include the following steps 201 and 202:

[0052] Step 201: Perform body movement monitoring on a target area in an outdoor area based on the millimeter wave radar provided on the outdoor unit.

[0053] Exemplarily, the millimeter wave radar is arranged on the outdoor unit of the air conditioner to monitor the body movements of all objects in the target area, which can be an area within a preset range centered on the outdoor unit.

[0054] For example, other people in the target area are more affected by the noise of the outdoor unit, and other people outside the target area are less affected by the noise of the outdoor unit. The size of the target area can be preset or set according to the recognition distance of the millimeter wave radar. That is, the longer the recognition distance of the millimeter wave radar, the larger the range of the target area.

[0055] Exemplarily, the target triggering action may be any gesture action, such as a hands-crossing action or a palm-forwarding action.

[0056] Step 202: When a body movement of any target object in the target area is determined as a target triggering action, control the outdoor unit to perform a noise reduction operation.

[0057] The noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0058] For example, when the physical movement of any target object in the target area is identified as a target triggering action, it means that the noise of the outdoor unit has a greater impact on the target object. At this time, the impact on the target object can be reduced by controlling the outdoor unit to perform noise reduction operations.

[0059] It should be noted that in order to facilitate other personnel to know that specific actions can trigger the outdoor unit to perform noise reduction operations, operation guidance information can be posted on the outdoor unit so that other personnel can clearly understand what kind of body movements can trigger the outdoor unit to perform noise reduction operations.

[0060] In a possible implementation, the intensity of the noise reduction operation may be determined according to the distance between the target object and the outdoor unit.

[0061] Specifically, the above step 202 may further include the following steps 202a1 and 202a3:

[0062] Step 202a1: When a physical movement of any target object in the target area is determined as a target triggering action, determine a target distance between the target object and the outdoor unit.

[0063] Step 202a2: Determine a first adjustment ratio of the fan speed of the outdoor unit and / or a second adjustment ratio of the compressor operating frequency according to the target distance.

[0064] Step 202a3: reducing the fan speed of the outdoor unit according to the first adjustment ratio, and / or reducing the compressor operating frequency according to the second adjustment ratio.

[0065] The first adjustment ratio is negatively correlated with the target distance; the second adjustment ratio is negatively correlated with the target distance.

[0066] It can be understood that the farther the distance between the target object and the outdoor unit is, the less the impact of the outdoor unit noise is, and the less the noise reduction operation of the outdoor unit is performed. Conversely, the closer the distance between the target object and the outdoor unit is, the greater the impact of the outdoor unit noise is, and the greater the noise reduction operation of the outdoor unit is.

[0067] In another possible implementation, the target object can express the severity of the noise impact through different body movements, and the outdoor unit can trigger noise reduction operations of different intensities according to the different body movements.

[0068] Specifically, the target triggering action includes: a first triggering action, a second triggering action and a third triggering action. The step 202 may further include any one of the following steps 202b1 to 202b3:

[0069] Step 202b1: when the body movement of the target object is determined to be the first triggering action, reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the first adjustment parameter.

[0070] Step 202b2: when the body movement of the target object is determined to be the second triggering action, reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the second adjustment parameter.

[0071] Step 202b3: when the body movement of the target object is determined to be the third triggering action, reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the third adjustment parameter.

[0072] Among them, the adjustment range of the first adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit; the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the third adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit.

[0073] Exemplarily, the first trigger action, the second trigger action and the third trigger action are different trigger actions, and different trigger actions can trigger the outdoor unit to perform noise reduction operations of different strengths. For example, the first trigger action may be an arm crossing action, the second trigger action may be a vertical parallel action of both arms, and the third trigger action may be a horizontal parallel action of both arms.

[0074] It should be noted that in the embodiment of the present application, the noise reduction operation is divided into three gears: high, medium and low, and different body movements can trigger different noise reduction operations. Those skilled in the art can expand multiple gears on this basis, all of which belong to the protection scope of the embodiment of the present application.

[0075] Optionally, in an embodiment of the present application, since the imaging clarity of the millimeter-wave radar directly affects the accuracy of body motion recognition, and the outdoor unit will generate relatively strong vibrations when running, in order to improve the accuracy of the millimeter-wave radar in recognizing body motions, it is necessary to reduce the impact of the outdoor unit vibration on the millimeter-wave radar.

[0076] It is understandable that the air conditioner will generate vibration when it is running, and this vibration will affect the imaging clarity of the millimeter-wave radar installed on the air conditioner, and then affect the operation of the air conditioner. For example, the vibration can affect the judgment of the user's body movements, resulting in reduced accuracy in the recognition of movements, and functions based on body movement recognition are difficult to trigger.

[0077] For example, Figure 3As shown, an embodiment of the present application provides a vibration elimination device, which includes: a vibration sensor, a millimeter wave radar (or other radars), and a vibration generator. The vibration elimination device is arranged on the outdoor unit, and the millimeter wave radar is arranged on the vibration elimination device, and the millimeter wave radar does not directly contact the outdoor unit.

[0078] For example, based on Figure 3 The vibration elimination device shown can detect the vibration information of the outdoor unit and generate a vibration signal that can offset the vibration of the outdoor unit, so as to reduce the impact of the vibration of the outdoor unit on the millimeter-wave radar imaging and improve the imaging clarity of the millimeter-wave radar installed on the outdoor unit.

[0079] For example, based on Figure 3 The vibration elimination device shown, such as Figure 4 As shown, before the above step 202, the control method for reducing the noise impact of the air conditioner outdoor unit provided by the embodiment of the present application may also include the following steps 401 to 403:

[0080] Step 401: When an outdoor unit is running, obtain a first vibration signal of the outdoor unit.

[0081] Wherein, the first vibration signal includes: vibration information of multiple vibrations of the outdoor unit.

[0082] Specifically, the first vibration signal of the outdoor unit may be obtained through the following steps, that is, the above step 401 may include the following steps 401a1 and 401a2:

[0083] Step 401a1: Obtain vibration information of the outdoor unit.

[0084] Exemplarily, the vibration information includes: the vibration amplitude of each vibration and the vibration period of each vibration.

[0085] Step 401a2: When the vibration information indicates that the vibration amplitude of the outdoor unit is greater than a preset amplitude, and / or the vibration frequency of the outdoor unit is greater than a preset frequency, the vibration sensor is used to perform vibration sampling on the outdoor unit to obtain the first vibration signal.

[0086] Exemplarily, the tiny vibrations generated by the outdoor unit will not affect the imaging of the millimeter-wave radar. Therefore, the outdoor unit can perform a vibration elimination operation when the vibration amplitude of the outdoor unit is greater than a preset amplitude and / or the vibration frequency of the outdoor unit is greater than a preset frequency.

[0087] It should be noted that the vibration waveform of the outdoor unit is similar to a simple harmonic wave, but the time taken for each vibration of the outdoor unit (to complete a reciprocating motion) is not exactly the same (that is, the vibration period is different), and the vibration amplitude of each vibration is not exactly the same. Therefore, in order to offset the impact of the vibration of the outdoor unit on millimeter-wave radar imaging, it is necessary to collect vibration information generated by multiple vibrations and calculate the average vibration amplitude and average vibration period, so as to generate an anti-phase vibration wave opposite to the vibration wave of the outdoor unit based on the average vibration amplitude and average vibration period, thereby offsetting the vibration generated by the outdoor unit.

[0088] Step 402: Calculate an average value of multiple vibration amplitudes contained in the first vibration signal and an average value of multiple vibration periods contained in the first vibration signal according to the first vibration signal to obtain an average vibration amplitude and an average vibration period, and generate a second vibration signal based on the average vibration amplitude and the average vibration period.

[0089] Exemplarily, the above average vibration amplitude and average vibration period are obtained by averaging the vibration amplitudes and vibration periods included in the vibration information of multiple vibrations collected in the above steps.

[0090] Specifically, in the above step 402, calculating the average of multiple vibration amplitudes contained in the first vibration signal and the average of multiple vibration periods contained in the first vibration signal according to the first vibration signal to obtain the average vibration amplitude and the average vibration period may include the following steps 402a and 402b:

[0091] Step 402a: Determine the vibration period of each vibration and the vibration amplitude of each vibration in the vibration information of multiple vibrations contained in the first vibration signal.

[0092] Step 402b: Calculate the average vibration period according to the vibration period of each vibration, and calculate the average vibration amplitude according to the vibration amplitude of each vibration.

[0093] For example, Figure 5 As shown in FIG. 1 , it is a waveform diagram of the vibration wave generated when the outdoor unit is running. According to the waveform diagram, the amplitude of each cycle of the vibration wave generated when the outdoor unit is running is not completely the same, and there are certain differences. Therefore, in order to facilitate the calculation of the anti-phase vibration wave, the average vibration amplitude and average vibration period of multiple vibrations can be calculated, and then the anti-phase vibration wave can be obtained based on the average vibration amplitude and average vibration period.

[0094] Specifically, the above step 402a may include the following steps 402a1:

[0095] Step 402a1, calculating the average vibration period T according to the following formula 1:

[0096]

[0097] Where n is the number of vibration sampling times; T i is the vibration period of each vibration.

[0098] For example, when calculating the above average vibration period, the n vibration periods obtained by n vibration samplings may be directly added together to obtain the average value.

[0099] Specifically, the above step 402b may include the following steps 402b1:

[0100] Step 402b1, calculate the average vibration amplitude A according to the following formula 2

[0101]

[0102] Where n is the number of vibration sampling times; A i It is the maximum displacement of each vibration. One vibration includes the displacement at the peak and the displacement at the trough.

[0103] Exemplarily, when calculating the above average vibration amplitude, in order to make the average vibration amplitude closer to the actual situation, the above average vibration amplitude can be obtained by averaging the sum of squares of 2n vibration amplitudes obtained by n vibration samplings.

[0104] It is understandable that each vibration includes a maximum positive offset and a maximum negative offset. In order to eliminate the influence of positive and negative values, it is necessary to i Take the square root after finding the square.

[0105] Exemplarily, after obtaining the above average vibration amplitude and average vibration period, waveform fitting can be performed based on the average vibration amplitude and average vibration period to obtain a vibration wave with an anti-phase of the original waveform, that is, the above second vibration signal.

[0106] Illustratively, in the embodiment of the present application, the second vibration signal can be obtained in the following two ways.

[0107] Method 1:

[0108] In method 1, a sine wave can be directly fitted according to the average vibration amplitude and the average vibration period, and the second vibration signal can be obtained based on the sine wave.

[0109] Specifically, the generating of the second vibration signal based on the average vibration amplitude and the average vibration period in the above step 402 may include the following steps 402c1 and 402c2:

[0110] Step 402c1: Generate a sinusoidal wave fitting signal according to the average vibration amplitude and the average vibration period.

[0111] Step 402c2: offset the sinusoidal wave fitting signal according to the target offset to obtain the second vibration signal.

[0112] The target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

[0113] Method 2:

[0114] In mode 2, the number of samples of the original waveform (ie, the first vibration signal) can be increased, and a waveform closer to the vibration wave indicated by the first vibration signal can be fitted based on the average vibration amplitude and the average vibration period.

[0115] Specifically, the generating of the second vibration signal based on the average vibration amplitude and the average vibration period in the above step 402 may include the following steps 402d1 and 402d2:

[0116] Step 402d1, generating a vibration wave fitting signal according to the average vibration amplitude, the average vibration period and the average vibration median.

[0117] Step 402d2: offset the vibration wave fitting signal according to the target offset to obtain the second vibration signal.

[0118] Among them, the average vibration median is: an average value calculated based on the median of the offset of each vibration; the target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

[0119] For example, the average vibration median value B can be calculated by the following formula 3:

[0120]

[0121] Wherein, n is the number of vibration sampling times; B is the median displacement of each vibration, and one vibration includes 4 median displacements.

[0122] It should be noted that, in order to offset the vibration generated by the outdoor unit, the trough of the second vibration signal needs to correspond to the peak of the first vibration signal, and the peak of the second vibration signal needs to correspond to the trough of the first vibration signal.

[0123] Step 403: Based on the second vibration signal, control the vibration generator provided on the vibration elimination device to vibrate, so as to reduce the influence of the vibration of the outdoor unit on millimeter-wave radar imaging.

[0124] The vibration elimination device is arranged on the outdoor unit, the millimeter wave radar is arranged on the vibration elimination device, and the millimeter wave radar is not in direct contact with the outdoor unit, that is, the millimeter wave radar is installed on the outdoor unit through the vibration elimination device.

[0125] Exemplarily, the above-mentioned millimeter-wave radar can also be replaced by a laser radar, a time of flight (TOF) camera, an infrared sensing device or an RGB camera, etc.

[0126] For example, Figure 6 As shown, by controlling the vibration generator to generate an anti-phase vibration wave (i.e., the second vibration signal), the original vibration wave (i.e., the first vibration signal) generated by the outdoor unit can be offset, as shown in FIG. Figure 6 As shown, the amplitude of the vibration wave after cancellation is very small and it is difficult to affect the imaging of the millimeter-wave radar.

[0127] Optionally, in the embodiment of the present application, in order for the vibration generator to generate an anti-phase vibration wave that can offset the vibration wave generated by the outdoor unit, it is necessary to ensure that the vibration direction of the vibration generator is consistent with the vibration direction of the outdoor unit.

[0128] Specifically, the vibration generator is provided with a linear motor; the vibration generator is also provided with a rotation mechanism for adjusting the angle of the linear motor. The above step 403 may further include the following steps 403a1 and 403a2:

[0129] Step 403a1, determining the vibration direction of the outdoor unit according to the vibration signal of the outdoor unit, and determining the rotation angle and rotation direction of the rotating mechanism according to the vibration direction of the outdoor unit, and determining the voltage value and frequency value of the input voltage of the linear motor according to the vibration amplitude and vibration period of the second vibration signal.

[0130] Step 403a2: Control the rotation of the rotating mechanism according to the rotation angle and rotation direction of the rotating mechanism, and control the operation of the linear motor according to the voltage value and frequency value of the input voltage.

[0131] The rotating mechanism is used to keep the vibration direction of the linear motor consistent with the vibration direction of the outdoor unit.

[0132] It should be noted that the above-mentioned rotating mechanism can rotate in any direction to ensure that any vibration generated by the outdoor unit can be offset by the vibration elimination device.

[0133] The control method for reducing the impact of noise from an air conditioner outdoor unit provided in an embodiment of the present application first monitors the body movements of a target area in the outdoor area based on a millimeter-wave radar provided on the outdoor unit; then, when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor. In this way, other people affected by the noise from the outdoor unit can use specific gestures to inform the air conditioner that the noise generated by the outdoor unit has affected them, so that the air conditioner can reduce the noise from the outdoor unit by reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0134] It should be noted that the control method for reducing the impact of noise from an air-conditioning outdoor unit provided in the embodiment of the present application may be executed by a control device for reducing the impact of noise from an air-conditioning outdoor unit, or a control module in the control device for reducing the impact of noise from an air-conditioning outdoor unit for executing the control method for reducing the impact of noise from an air-conditioning outdoor unit. In the embodiment of the present application, the control device for reducing the impact of noise from an air-conditioning outdoor unit executing the control method for reducing the impact of noise from an air-conditioning outdoor unit is taken as an example to illustrate the control device for reducing the impact of noise from an air-conditioning outdoor unit provided in the embodiment of the present application.

[0135] It should be noted that, in the embodiments of the present application, the control methods for reducing the noise impact of the air conditioner outdoor unit shown in the above-mentioned method drawings are all illustrated by taking one of the drawings in the embodiments of the present application as an example. In specific implementation, the control methods for reducing the noise impact of the air conditioner outdoor unit shown in the above-mentioned method drawings can also be implemented in combination with any other drawings that can be combined as shown in the above-mentioned embodiments, which will not be repeated here.

[0136] The control device for reducing the noise impact of the air conditioner outdoor unit provided in the present application is described below, and the control method for reducing the noise impact of the air conditioner outdoor unit described above and described below can be referenced to each other.

[0137] Figure 7 A schematic diagram of the structure of a control device for reducing the noise impact of an air conditioner outdoor unit provided in an embodiment of the present application is shown in FIG. Figure 7 As shown, specifically including:

[0138] The body movement monitoring module 701 is used to monitor the body movement of the target area in the outdoor area based on the millimeter wave radar set on the outdoor unit; the control module 702 is used to control the outdoor unit to perform a noise reduction operation when the body movement of any target object in the target area is determined as a target triggering action; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0139] Optionally, the device also includes: a determination module; the determination module is used to determine the target distance between the target object and the outdoor unit when the physical movement of any target object in the target area is determined as a target triggering action; the determination module is also used to determine a first adjustment ratio of the fan speed of the outdoor unit and / or a second adjustment ratio of the compressor operating frequency according to the target distance; the control module 702 is specifically used to reduce the fan speed of the outdoor unit according to the first adjustment ratio, and / or reduce the compressor operating frequency according to the second adjustment ratio; wherein the first adjustment ratio is negatively correlated with the target distance; the second adjustment ratio is negatively correlated with the target distance.

[0140] Optionally, the target trigger action includes: a first trigger action, a second trigger action and a third trigger action; the control module 702 is specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the first adjustment parameter when the body movement of the target object is determined as the first trigger action; the control module 702 is also specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the second adjustment parameter when the body movement of the target object is determined as the second trigger action; the control module 702 is also specifically used to reduce the fan speed of the outdoor unit and / or the compressor operating frequency according to the third adjustment parameter when the body movement of the target object is determined as the third trigger action; wherein the adjustment range of the first adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit; the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the third adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit.

[0141] Optionally, the device also includes: an acquisition module, a calculation module and a generation module; the acquisition module is used to acquire a first vibration signal of the outdoor unit when the outdoor unit is running; the calculation module is used to calculate the average value of multiple vibration amplitudes contained in the first vibration signal and the average value of multiple vibration periods contained in the first vibration signal according to the first vibration signal, so as to obtain an average vibration amplitude and an average vibration period; the generation module is used to generate a second vibration signal based on the average vibration amplitude and the average vibration period; the control module 702 is also used to control the vibration generator provided on the vibration elimination device to vibrate based on the second vibration signal, so as to reduce the influence of the vibration of the outdoor unit on the millimeter-wave radar imaging; wherein the vibration elimination device is provided on the outdoor unit, the millimeter-wave radar is provided on the vibration elimination device, and the millimeter-wave radar is not in direct contact with the outdoor unit.

[0142] Optionally, the acquisition module is specifically used to acquire vibration information of the outdoor unit; the vibration information includes: the vibration amplitude of each vibration, and the vibration period of each vibration; the acquisition module is also specifically used to perform vibration sampling on the outdoor unit through the vibration sensor to obtain the first vibration signal when the vibration information indicates that the vibration amplitude of the outdoor unit is greater than a preset amplitude, and / or the vibration frequency of the outdoor unit is greater than a preset frequency; wherein the first vibration signal includes: vibration information of multiple vibrations of the outdoor unit.

[0143] Optionally, the determination module is also used to determine the vibration period of each vibration and the vibration amplitude of each vibration in the vibration information of multiple vibrations contained in the first vibration signal; the calculation device is specifically used to calculate the average vibration period according to the vibration period of each vibration, and calculate the average vibration amplitude according to the vibration amplitude of each vibration.

[0144] Optionally, the generating module is specifically used to generate a sinusoidal wave fitting signal according to the average vibration amplitude and the average vibration period; the generating module is also specifically used to offset the sinusoidal wave fitting signal according to a target offset to obtain the second vibration signal; wherein the target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

[0145] Optionally, a linear motor is provided on the vibration generator; a rotating mechanism for adjusting the angle of the linear motor is also provided on the vibration generator; the calculation module is also used to determine the vibration direction of the outdoor unit according to the vibration signal of the outdoor unit, and determine the rotation angle and rotation direction of the rotating mechanism according to the vibration direction of the outdoor unit, and determine the voltage value and frequency value of the input voltage of the linear motor according to the vibration amplitude and vibration period of the second vibration signal; the control module 702 is specifically used to control the rotation of the rotating mechanism according to the rotation angle and rotation direction of the rotating mechanism, and control the operation of the linear motor according to the voltage value and frequency value of the input voltage; wherein the rotating mechanism is used to keep the vibration direction of the linear motor consistent with the vibration direction of the outdoor unit.

[0146] The control device for reducing the noise impact of the outdoor unit of the air conditioner provided in the present application first monitors the body movements of the target area in the outdoor area based on the millimeter wave radar set on the outdoor unit; then, when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor. In this way, other people affected by the noise of the outdoor unit can use specific gestures to inform the air conditioner that the noise generated by the outdoor unit has affected them, so that the air conditioner can reduce the noise of the outdoor unit by reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0147] Figure 8 The physical structure diagram of an electronic device is shown as an example. The electronic device may be the above-mentioned air conditioner. Figure 8 As shown, the electronic device may include: a processor 810, a communication interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication interface 820 and the memory 830 communicate with each other through the communication bus 840. The processor 810 may call the logic instructions in the memory 830 to execute a control method for reducing the noise impact of the air conditioner outdoor unit, the method comprising:

[0148] Based on the millimeter-wave radar arranged on the outdoor unit, the body movements of the target area in the outdoor area are monitored; when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0149] In addition, the logic instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art, and the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a disk or an optical disk.

[0150] On the other hand, the present application also provides a computer program product, the computer program product comprising a computer program stored on a computer-readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer, the computer can execute the control method for reducing the noise impact of an air conditioner outdoor unit provided by the above methods, the method comprising:

[0151] Based on the millimeter-wave radar arranged on the outdoor unit, the body movements of the target area in the outdoor area are monitored; when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0152] In another aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, which is implemented when the computer program is executed by a processor to perform the above-mentioned control method for reducing the noise impact of an air conditioner outdoor unit, the method comprising:

[0153] Based on the millimeter-wave radar arranged on the outdoor unit, the body movements of the target area in the outdoor area are monitored; when the body movement of any target object in the target area is determined as a target triggering action, the outdoor unit is controlled to perform a noise reduction operation; wherein the noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

[0154] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0155] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0156] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A control method for reducing the noise impact of an air conditioner outdoor unit, characterized in that: Applied to an air conditioner, the air conditioner includes an outdoor unit, and the method includes: Performing body movement monitoring on a target area in an outdoor area based on a millimeter wave radar provided on the outdoor unit; When a body movement of any target object in the target area is determined as a target triggering movement, controlling the outdoor unit to perform a noise reduction operation; The noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

2. The method according to claim 1, characterized in that: When the body movement of any target object in the target area is determined as a target triggering movement, controlling the outdoor unit to perform a noise reduction operation includes: In a case where a body movement of any target object in the target area is determined as a target triggering movement, determining a target distance between the target object and the outdoor unit; Determine a first adjustment ratio of a fan speed of the outdoor unit and / or a second adjustment ratio of an operating frequency of a compressor according to the target distance; reducing the fan speed of the outdoor unit according to the first adjustment ratio, and / or reducing the operating frequency of the compressor according to the second adjustment ratio; The first adjustment ratio is negatively correlated with the target distance; the second adjustment ratio is negatively correlated with the target distance.

3. The method according to claim 1, characterized in that: The target triggering action includes: a first triggering action, a second triggering action and a third triggering action; When the body movement of any target object in the target area is determined as a target triggering movement, controlling the outdoor unit to perform a noise reduction operation includes: In a case where the body movement of the target object is determined as the first triggering action, reducing the fan speed of the outdoor unit and / or the compressor operating frequency according to a first adjustment parameter; or, When the body movement of the target object is determined as the second triggering action, reducing the fan speed of the outdoor unit and / or the compressor operating frequency according to the second adjustment parameter; or, In the case where the body movement of the target object is determined as the third triggering action, reducing the fan speed of the outdoor unit and / or the compressor operating frequency according to a third adjustment parameter; Among them, the adjustment range of the first adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit; the adjustment range of the second adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit is greater than the adjustment range of the third adjustment parameter for the fan speed and the compressor operating frequency of the outdoor unit.

4. The method according to claim 1, characterized in that The outdoor unit is provided with a vibration elimination device; the millimeter wave radar is provided on the vibration elimination device; the millimeter wave radar is not in direct contact with the vibration elimination device; In the case where a body movement of any target object in the target area is determined as a target triggering movement, before controlling the outdoor unit to perform a noise reduction operation, the method further includes: When the outdoor unit is running, obtaining a first vibration signal of the outdoor unit through a vibration sensor provided on the vibration elimination device; Calculating, according to the first vibration signal, an average value of a plurality of vibration amplitudes contained in the first vibration signal and an average value of a plurality of vibration periods contained in the first vibration signal to obtain an average vibration amplitude and an average vibration period, and generating a second vibration signal based on the average vibration amplitude and the average vibration period; Based on the second vibration signal, the vibration generator provided on the vibration elimination device is controlled to vibrate, so as to reduce the influence of the vibration of the outdoor unit on the millimeter wave radar imaging; Wherein, the first vibration signal includes: vibration information of multiple vibrations of the outdoor unit.

5. The method according to claim 4, characterized in that The step of obtaining the first vibration signal of the outdoor unit by using a vibration sensor provided on the vibration elimination device comprises: Acquire vibration information of the outdoor unit; the vibration information includes: vibration amplitude of each vibration and vibration period of each vibration; When the vibration information indicates that the vibration amplitude of the outdoor unit is greater than a preset amplitude, and / or the vibration frequency of the outdoor unit is greater than a preset frequency, the vibration sensor is used to perform vibration sampling on the outdoor unit to obtain the first vibration signal.

6. The method according to claim 4, characterized in that The step of calculating, according to the first vibration signal, an average value of a plurality of vibration amplitudes contained in the first vibration signal and an average value of a plurality of vibration periods contained in the first vibration signal to obtain an average vibration amplitude and an average vibration period comprises: Determining the vibration period of each vibration and the vibration amplitude of each vibration in the vibration information of multiple vibrations included in the first vibration signal; The average vibration period is calculated according to the vibration period of each vibration, and the average vibration amplitude is calculated according to the vibration amplitude of each vibration.

7. The method according to claim 5 or 6, characterized in that: The generating a second vibration signal based on the average vibration amplitude and the average vibration period comprises: Generate a sine wave fitting signal according to the average vibration amplitude and the average vibration period; offsetting the sinusoidal wave fitting signal according to a target offset to obtain the second vibration signal; The target offset is half of the average vibration period; the vibration amplitude of the second vibration signal is the average vibration amplitude, and the vibration period of the second vibration signal is the average vibration period.

8. The method according to claim 4, characterized in that The vibration generator is provided with a linear motor; the vibration generator is also provided with a rotating mechanism for adjusting the angle of the linear motor; The step of controlling the vibration generator provided on the vibration elimination device to vibrate based on the second vibration signal includes: Determining the vibration direction of the outdoor unit according to the vibration signal of the outdoor unit, determining the rotation angle and rotation direction of the rotating mechanism according to the vibration direction of the outdoor unit, and determining the voltage value and frequency value of the input voltage of the linear motor according to the vibration amplitude and vibration period of the second vibration signal; Controlling the rotation of the rotating mechanism according to the rotation angle and the rotation direction of the rotating mechanism, and controlling the operation of the linear motor according to the voltage value and the frequency value of the input voltage; The rotating mechanism is used to keep the vibration direction of the linear motor consistent with the vibration direction of the outdoor unit.

9. A control device for reducing the noise impact of an air conditioner outdoor unit, characterized in that: Applied to an air conditioner, the air conditioner includes an outdoor unit, and the device includes: A body movement monitoring module, used for monitoring body movements of a target area in an outdoor area based on a millimeter wave radar provided on the outdoor unit; A control module, configured to control the outdoor unit to perform a noise reduction operation when a body movement of any target object in the target area is determined as a target triggering movement; The noise reduction operation includes at least one of the following: reducing the fan speed of the outdoor unit and reducing the operating frequency of the compressor.

10. An air conditioner, characterized in that: The outdoor unit of the air conditioner is provided with a vibration elimination device, and the air conditioner can implement the steps of the control method for reducing the noise influence of the outdoor unit of the air conditioner as claimed in any one of claims 1 to 8.

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