Balance adjustment system and balance adjustment method for household appliances

Abstract

The present invention relates to the field of household appliance control technology, and provides a balance adjustment system and a balance adjustment method for household appliances. The balance adjustment system for household appliances includes: a distance detection device for obtaining the distance from the target position of the household appliance to the target reference object; a foot adjustment device for adjusting the angle of the household appliance; a feedback processing device electrically connected to the distance detection device and the foot adjustment device, and used to determine the amplitude of the household appliance during operation based on the distance, and control the foot adjustment device based on the amplitude. The balance adjustment system of the present invention can indirectly monitor the amplitude of the household appliance during operation by monitoring the distance from the household appliance to the target reference object, and automatically adjust the balance of the household appliance based on the amplitude to ensure that the household appliance can remain in a balanced position during long-term operation.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliance control, and in particular to a balance adjustment system and a balance adjustment method for a household appliance. Background Art

[0002] After the installation of household appliances, their balance has a great impact on the working life, working stability and working noise of household appliances. For example, after the washing machine is installed in the washing machine installation position, if the installation balance does not meet the requirements, the washing machine will shake violently during operation, causing loud working noise and reducing the working life. In the prior art, the foot is installed under the household appliance, and the balance is adjusted by adjusting the studs of the foot. This adjustment method relies on the experience and feeling of the engineer and is not very accurate. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a balance adjustment system for household appliances, so that the household appliances can be kept in a balanced position during long-term operation.

[0004] The invention also provides a household appliance.

[0005] The invention also provides a method for adjusting the balance of a household appliance.

[0006] The invention also provides a balance adjustment device for a household appliance.

[0007] The invention also provides an electronic device.

[0008] The present invention also provides a non-transitory computer-readable storage medium.

[0009] A balance adjustment system for a household appliance according to a first embodiment of the present invention includes:

[0010] A distance detection device, used to obtain the distance from the target position of the household appliance to a target reference object;

[0011] A foot adjustment device, used to adjust the angle of the household appliance;

[0012] A feedback processing device is electrically connected to the distance detection device and the foot adjustment device, and is used to determine the amplitude of the household appliance when it is working based on the distance, and control the foot adjustment device based on the amplitude.

[0013] According to the balance adjustment system of the household appliance according to the embodiment of the present invention, by monitoring the distance between the household appliance and the target reference object, it is possible to indirectly monitor the amplitude of the household appliance during operation, and automatically adjust the balance of the household appliance based on the amplitude, thereby ensuring that the household appliance can maintain a balanced position during long-term operation, helping to reduce the operating noise of the household appliance and extend the service life of the household appliance.

[0014] According to an embodiment of the present invention, the feedback processing device is further used to determine the displacement of the household appliance based on the distance, and control the foot adjustment device of the household appliance based on the displacement.

[0015] According to one embodiment of the present invention, the feedback processing device includes:

[0016] a data processing unit, the data processing unit being electrically connected to the distance detection device, and configured to determine the amplitude based on the distance collected by the distance detection device, and to send a control signal based on the amplitude;

[0017] A driving unit, the driving unit is electrically connected to the data processing unit and the foot adjustment device, and is used to send a control instruction to the foot adjustment device based on the control signal.

[0018] According to one embodiment of the present invention, the balance adjustment system for household appliances further includes:

[0019] A balance detection device, used to obtain the balance of the household appliance when it is stationary, and electrically connected to the feedback processing device;

[0020] The feedback processing device is further used to control the foot adjustment device based on the balance degree.

[0021] According to one embodiment of the present invention, the balance detection device includes: a multi-axis gyroscope, which is used to collect the acceleration and / or angular velocity of the household appliance when it is working; a calculation processing unit, the multi-axis gyroscope is electrically connected to the calculation processing unit, and the calculation processing unit is electrically connected to the feedback processing device, and the calculation processing unit is used to determine the balance degree based on the acceleration characteristics and / or angular velocity characteristics, and send it to the feedback processing device.

[0022] A household appliance according to an embodiment of the second aspect of the present invention comprises any one of the balance adjustment systems described above.

[0023] A method for adjusting the balance of a household appliance according to a third aspect of an embodiment of the present invention includes:

[0024] Acquire a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary;

[0025] Acquire a second distance from the target position to the target reference object when the household appliance is working;

[0026] determining, based on the second distance and the first distance, an amplitude of the household appliance when it is in operation;

[0027] It is determined that the amplitude is greater than the target amplitude, and the foot adjustment device of the household appliance is controlled to operate to adjust the balance of the household appliance.

[0028] According to one embodiment of the present invention, it also includes:

[0029] Determine that the amplitude is not greater than the target amplitude, and after the household appliance stops working, obtain a third distance from the target position to the target reference object when the household appliance is stationary;

[0030] determining a displacement of the household appliance based on the third distance and the first distance;

[0031] It is determined that the displacement is greater than the target movement value, and the foot adjustment device of the household appliance is controlled to operate to adjust the balance of the household appliance.

[0032] According to an embodiment of the present invention, after determining the amplitude of the household appliance when it is working based on the second distance and the first distance, the balance adjustment method further includes:

[0033] Based on the amplitude, obtaining an amplitude characteristic curve;

[0034] Uploading the amplitude characteristic curve to a server;

[0035] A fault diagnosis result sent by the server is received, wherein the fault diagnosis result is determined based on the amplitude characteristic curve.

[0036] According to one embodiment of the present invention, it also includes:

[0037] Obtain the balance of household appliances when they are stationary;

[0038] It is determined that the balance is lower than the target balance value, and the foot adjustment device of the household appliance is controlled to operate to adjust the balance of the household appliance.

[0039] According to one embodiment of the present invention, it also includes:

[0040] Acquiring acceleration characteristics and / or angular velocity characteristics of the household appliance when the household appliance is working;

[0041] Uploading the acceleration characteristics and / or angular velocity characteristics to a server;

[0042] Receive a fault identification result sent by the server, wherein the fault identification result is determined based on the acceleration curve and / or the angular velocity curve and a reference acceleration curve and / or a reference angular velocity curve of the household appliance, and the acceleration curve and / or the angular velocity curve is determined based on the acceleration feature and / or the angular velocity feature.

[0043] A balance adjustment device for a household appliance according to a fourth aspect of the present invention includes:

[0044] A first acquisition unit, configured to acquire a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary;

[0045] A second acquisition unit, configured to acquire a second distance from the target position to the target reference object when the household appliance is working;

[0046] a first determining unit, configured to determine an amplitude of the household appliance when it is in operation based on the second distance and the first distance;

[0047] The first control unit is used to determine that the amplitude is greater than a target amplitude, and control the foot adjustment device of the household appliance to operate so as to adjust the balance of the household appliance.

[0048] According to an embodiment of the fifth aspect of the present invention, an electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of any of the above-mentioned methods for adjusting the balance of a household appliance are implemented.

[0049] According to the non-transitory computer-readable storage medium of the sixth aspect of the present invention, a computer program is stored thereon, and when the computer program is executed by a processor, the steps of any of the above-mentioned methods for adjusting the balance of a household appliance are implemented.

[0050] The above one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: by monitoring the distance from the household appliance to the target reference object, the amplitude of the household appliance during its operation can be indirectly monitored, and the balance of the household appliance can be automatically adjusted based on the amplitude to ensure that the household appliance can remain in a balanced position during long-term operation, which helps to reduce the working noise of the household appliance and extend the service life of the household appliance.

[0051] Furthermore, by measuring the balance, adjustments in static and dynamic states can be achieved.

[0052] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in 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 only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0054] Figure 1 This is one of the structural schematic diagrams of the balance adjustment system for household appliances provided by an embodiment of the present invention;

[0055] Figure 2 This is a second structural schematic diagram of a balance adjustment system for household appliances provided by an embodiment of the present invention;

[0056] Figure 3 This is one of the flow charts of the method for adjusting the balance of a household appliance provided by an embodiment of the present invention;

[0057] Figure 4 This is a second flow chart of a method for adjusting the balance of a household appliance provided by an embodiment of the present invention;

[0058] Figure 5 This is a third flow chart of a method for adjusting the balance of a household appliance provided by an embodiment of the present invention;

[0059] Figure 6 is a schematic structural diagram of a balance adjustment device for a household appliance provided by an embodiment of the present invention;

[0060] Figure 7 It is a schematic diagram of the structure of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0061] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0062] In the description of the embodiments of the present invention, it should be noted that the terms “first”, “second” and “third” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0063] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. "Electrical connection" can be a wired connection through a cable, or a wireless connection through a wireless transceiver. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0065] Combine the following Figure 1-Figure 2 A balance adjustment system for a household appliance according to an embodiment of the present invention is described.

[0066] The household appliance may be a washing machine, a dryer, a refrigerator, an air conditioner, etc. In some embodiments below, the household appliance is a washing machine as an example for description.

[0067] like Figure 1 As shown, the balance adjustment system for household appliances provided by the present invention includes: a distance detection device 110 , a foot adjustment device 120 and a feedback processing device 130 .

[0068] The distance detection device 110 is used to obtain the distance from the target position of the household appliance to the target reference object.

[0069] The target position of the household appliance may be a designated position of the household appliance, such as a side or top corner of the household appliance, and the target reference object may be a calibration object of the installation environment of the household appliance, such as surrounding walls.

[0070] The distance detection device 110 is installed in the whole household appliance to realize distance measurement. The distance detection device 110 may include an infrared distance measurement sensor or a millimeter wave radar.

[0071] For example, the distance detection device 110 includes a millimeter wave radar, which includes at least one radar module, one SP4T switch and four radar antennas, and the four radar antennas are respectively located at the four sides of the household appliance. In this way, no matter where the user installs the household appliance in the house, the target reference object can be found.

[0072] The millimeter-wave radar has high ranging accuracy, which helps to improve the adjustment accuracy of the entire balance adjustment system.

[0073] The foot adjustment device 120 is used to adjust the angle of the household appliance.

[0074] The foot adjustment device 120 can be installed at the bottom of the household appliance to support the household appliance. There can be multiple foot adjustment devices 120, each of which is installed at a bottom corner of the household appliance. For example, for a washing machine, a foot adjustment device 120 is installed at each of the four bottom corners of the washing machine.

[0075] The foot adjustment device 120 can adjust its own length to adjust the balance of the household appliance.

[0076] The foot adjustment device 120 may include a power mechanism, a transmission mechanism and an actuator, and the power mechanism may be electric, pneumatic or hydraulic. If the power mechanism is electric, the power mechanism may include a stepper motor, the transmission mechanism may include a gear pair or a lead screw, etc., and the actuator may include a stud, a hydraulic cylinder, etc.

[0077] The feedback processing device 130 is electrically connected to the distance detection device 110 and the foot adjustment device 120, and is used to determine the amplitude of the household appliance when it is working based on the distance, and control the foot adjustment device 120 based on the amplitude.

[0078] The feedback processing device 130 is installed in the whole household appliance to realize the control of the foot adjustment device 120 .

[0079] When the household appliance is stationary, the distance detection device 110 collects a first distance from the target position of the household appliance to the target reference object. When the household appliance is turned on, the household appliance will vibrate. At this time, the distance detection device 110 collects a second distance from the target position of the household appliance to the target reference object when the household appliance is working.

[0080] The feedback processing device 130 receives the first distance and the second distance, and can determine the amplitude of the home appliance when it is working based on the second distance and the first distance.

[0081] For example, when the household appliance is working, the second distance is continuously collected, and the difference between the maximum value in the second distance and the first distance is used as the amplitude when the household appliance is working, or the difference between the average of the largest N values ​​in the second distance and the first distance is used as the amplitude when the household appliance is working, or the difference between the maximum value in the second distance and the first distance in each target period is used as the amplitude when the household appliance is working.

[0082] When the amplitude is greater than the target amplitude, the feedback processing device 130 controls the foot adjustment device 120 to work to adjust the balance of the household appliance. The target amplitude may be a preset value, and the target amplitude may be between 1 mm and 5 mm, such as 3 mm.

[0083] Of course, when the amplitude is greater than the target amplitude, the feedback processing device 130 can also output a prompt message, which can be an alarm sound or a prompt message displayed on a display panel, or the feedback processing device 130 can also control the household appliance to shut down to prevent damage to the household appliance.

[0084] According to the balance adjustment system of the household appliance according to the embodiment of the present invention, by monitoring the distance between the household appliance and the target reference object, it is possible to indirectly monitor the amplitude of the household appliance during operation, and automatically adjust the balance of the household appliance based on the amplitude, thereby ensuring that the household appliance can maintain a balanced position during long-term operation, helping to reduce the operating noise of the household appliance and extend the service life of the household appliance.

[0085] In some embodiments, the feedback processing device 130 includes: a data processing unit and a driving unit.

[0086] The data processing unit is electrically connected to the distance detection device 110 ; the driving unit is electrically connected to the data processing unit and the foot adjustment device 120 .

[0087] The data processing unit is used to determine the amplitude based on the distance collected by the distance detection device 110, and send a control signal to the driving unit based on the amplitude. The driving unit is used to send a control instruction to the power mechanism of the anchor adjustment device 120 based on the control signal transmitted by the data processing unit.

[0088] In some embodiments, the feedback processing device 130 is further used to determine the displacement of the household appliance based on the distance, and control the foot adjustment device 120 of the household appliance based on the displacement.

[0089] It should be noted that the feedback processing device 130 is also used to determine that the amplitude is not greater than the target amplitude, and after the household appliance stops working, obtain the third distance from the target position of the household appliance to the target reference object when the household appliance is stationary; the feedback processing device 130 is also used to determine the displacement of the household appliance based on the third distance and the first distance; the feedback processing device 130 is also used to determine that the displacement is greater than the target movement value, and control the foot adjustment device 120 of the household appliance to work to adjust the balance of the household appliance.

[0090] The above situation is applicable to the case where the eccentricity of the household appliance is not too serious at the beginning, but after the work is completed, there is still a certain displacement compared with before the power is turned on. At this time, based on the displacement, the balance of the household appliance can be fine-tuned.

[0091] In some embodiments, Figure 2 As shown, the balance adjustment system for household appliances provided by the present invention includes: a distance detection device 110 , a foot adjustment device 120 , a feedback processing device 130 and a balance detection device 140 .

[0092] The balance detection device 140 is used to obtain the balance of the household appliance when it is stationary. The balance detection device 140 is electrically connected to the feedback processing device 130; the feedback processing device 130 is also used to control the foot adjustment device 120 based on the balance.

[0093] The balance detection device 140 may include a multi-axis gyroscope and a computing processing unit, the multi-axis gyroscope is electrically connected to the computing processing unit, and the computing processing unit is electrically connected to the feedback processing device 130. The multi-axis gyroscope is used to collect acceleration characteristics and / or angular velocity characteristics of the household appliance when it is working, and the computing processing unit is used to determine the balance based on the acceleration characteristics and / or angular velocity characteristics, and send it to the feedback processing device. The gyroscope may be a six-axis gyroscope, the computing processing unit is electrically connected to the gyroscope, and the computing processing unit may measure the balance of the household appliance based on the four-element method.

[0094] When the balance detection device 140 is installed in a household appliance, it is necessary to ensure that the balance meets the system measurement accuracy requirements (for example, if the balance accuracy requirement is <1mm, the balance control is <0.1mm), and the determined value of the balance detection device 140 is used as the reference value.

[0095] The balance detection device 140 can obtain the balance of the household appliance when it is stationary; the feedback processing device 130 is also used to determine that the balance is lower than the target balance value, and control the foot adjustment device 120 of the household appliance to work to adjust the balance of the household appliance.

[0096] After the household appliance is installed, there is no need for the user to adjust the feet manually. After power-on, the balance detection device 140 detects the tilt of the household appliance and outputs information such as the tilt angle based on the tilt. The feedback processing device 130 calculates the control amount of the stepper motor based on the tilt angle, and outputs a pulse control signal through the drive unit. The pulse control signal controls the stepper motor to rotate to a corresponding angle, driving the foot adjustment device 120 to adjust the foot. The entire balance adjustment system achieves self-balancing of the household appliance through a closed-loop control algorithm (PID, etc.).

[0097] In this way, the balance adjustment system can directly realize automatic adjustment of the balance when the household appliance is installed.

[0098] In some embodiments, the balance detection device 140 may also be used to obtain acceleration characteristics and / or angular velocity characteristics of the household appliance when it is working.

[0099] The acceleration characteristics and / or angular velocity characteristics can be uploaded to the server; the server can determine the acceleration curve and / or angular velocity curve based on the acceleration characteristics and / or angular velocity characteristics, and determine the fault identification result based on the acceleration curve and / or angular velocity curve and the reference acceleration curve and / or reference angular velocity curve of the household appliance, and the fault identification result is sent to the household appliance.

[0100] The balance detection device 140 collects acceleration / angular velocity information of the household appliance in various directions during operation, uploads the information to the server, and generates an acceleration / angular velocity fitting curve of the household appliance during operation through a curve fitting method.

[0101] The server compares the acceleration / angular velocity fitting curve of the household appliance during operation with the acceleration / angular velocity fitting curve of the washing machine in normal operating mode. If the curve fitting meets the requirements, the household appliance is judged to be normal. If the curve fitting does not meet the requirements, it is compared with the acceleration / angular velocity fitting curves under various fault modes and the fault type is determined based on the curve fitting.

[0102] After the fault type is determined, the data will be uploaded to the server for home appliance after-sales service, and will also be sent to users through the APP. Users can determine whether to report repairs based on the fault diagnosis situation.

[0103] The present invention also provides a household appliance, which includes the balance adjustment system of any one of the above embodiments.

[0104] The household appliance may be a washing machine, a dryer, a refrigerator, an air conditioner, etc. In particular, it may be a household appliance including a motor, or a household appliance with a high requirement for the balance of the whole machine.

[0105] According to the household appliances of the embodiments of the present invention, the amplitude of the household appliances during operation can be indirectly monitored by monitoring the distance between the household appliances and the target reference object, and the balance of the household appliances can be automatically adjusted based on the amplitude, thereby ensuring that the household appliances can maintain a balanced position during long-term operation, effectively reducing the working noise of the household appliances and extending the service life of the household appliances.

[0106] Combine the following Figure 3-Figure 5 A balance adjustment system for a household appliance according to an embodiment of the present invention is described.

[0107] like Figure 3 As shown, the balance adjustment method of a household appliance according to the embodiment of the present invention includes: steps 310 to 340.

[0108] Step 310: acquiring a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary;

[0109] The target position of the household appliance may be a designated position of the household appliance, such as a side of the household appliance, and the target reference object may be a calibration object of the installation environment of the household appliance, such as surrounding walls.

[0110] In actual implementation, when the household appliance is powered on, the distance detection device 110 on the household appliance performs a distance scan and obtains an initial first distance.

[0111] Step 320: acquiring a second distance from the target position to the target reference object when the household appliance is working;

[0112] During the operation of the household appliance, the body of the household appliance may vibrate, and the distance detection device 110 measures the distance detection device 110 .

[0113] Step 330: determining the amplitude of the household appliance when it is working based on the second distance and the first distance;

[0114] When the first distance and the second distance are obtained, the amplitude of the household appliance when it is working can be determined based on the second distance and the first distance.

[0115] For example, when the household appliance is working, the second distance is continuously collected, and the difference between the maximum value in the second distance and the first distance is used as the amplitude when the household appliance is working, or the difference between the average of the largest N values ​​in the second distance and the first distance is used as the amplitude when the household appliance is working.

[0116] Step 340: determine that the amplitude is greater than the target amplitude, and control the foot adjustment device 120 of the household appliance to operate to adjust the balance of the household appliance.

[0117] The target amplitude may be a threshold value, and the target amplitude may be between 1 mm and 5 mm, such as 3 mm.

[0118] This can achieve automatic adjustment of the balance of household appliances.

[0119] Of course, when it is determined that the amplitude is greater than the target amplitude, a prompt message may be output or the household appliance may be controlled to shut down. The prompt message may be an alarm sound or a prompt message may be displayed on a display panel. Controlling the household appliance to shut down may prevent damage to the household appliance.

[0120] According to the balance adjustment method of the household appliance according to the embodiment of the present invention, by monitoring the distance between the household appliance and the target reference object, the amplitude of the household appliance during operation can be indirectly monitored, and the balance of the household appliance can be automatically adjusted based on the amplitude to ensure that the household appliance can maintain a balanced position during long-term operation, which helps to reduce the working noise of the household appliance and extend the service life of the household appliance.

[0121] In some embodiments, the method for adjusting the balance of a household appliance provided by an embodiment of the present invention may further include:

[0122] Determine that the amplitude is not greater than the target amplitude, and after the household appliance stops working, obtain a third distance from the target position of the household appliance to the target reference object when the household appliance is stationary;

[0123] determining a displacement of the household appliance based on the third distance and the first distance;

[0124] It is determined that the displacement is greater than the target movement value, and the foot adjustment device 120 of the household appliance is controlled to work to adjust the balance of the household appliance.

[0125] It should be noted that the first distance is the initial distance from the household appliance to the target reference object before working, the third distance is the terminal distance from the household appliance to the target reference object after the work is completed, and the difference between the third distance and the first distance is the displacement of the household appliance after the work.

[0126] Based on the displacement, the cumulative amount of movement of the household appliance caused by the amplitude during the current operation can be reflected, and based on the displacement, the operation of the foot adjustment device 120 can be controlled.

[0127] Of course, the balance adjustment method may further include: determining that the displacement is greater than the target movement value, and outputting prompt information. The prompt information may be sound prompt information, or prompt information displayed on a display panel.

[0128] In some embodiments, after determining the amplitude of the household appliance when it is working based on the second distance and the first distance, the balance adjustment method may further include:

[0129] Based on the amplitude, an amplitude characteristic curve is obtained;

[0130] Upload the amplitude characteristic curve to the server;

[0131] The fault diagnosis result sent by the server is received, and the fault diagnosis result is determined based on the amplitude characteristic curve.

[0132] It can be understood that during the operation of the household appliance, the distance detection device 110 continuously monitors the distance from the target position of the household appliance to the target reference object, so that a large number of amplitudes can be obtained. Based on the amplitude, an amplitude characteristic curve can be obtained, and the amplitude characteristic curve is uploaded to the server. The server can determine whether the household appliance has other faults based on the amplitude characteristic curve, and then send down the fault diagnosis results. The user can determine whether to report a repair based on the fault diagnosis results.

[0133] In some embodiments, Figure 4 As shown, taking a washing machine as an example of a household appliance, the balance adjustment method includes: a millimeter-wave radar performs distance scanning, when the washing machine is powered on, the millimeter-wave radar scans to generate a first distance of the washing machine, and during the washing process, the millimeter-wave radar measures the change in the distance between the washing machine and obstacles such as surrounding walls, and converts it into the amplitude of the washing machine; when the amplitude exceeds the target amplitude, a warning is given or the washing machine is stopped, and the feedback processing device 130 controls the foot adjustment device 120 to work; when the amplitude does not exceed the target amplitude, after the washing machine completes washing, the millimeter-wave radar system generates a third distance of the washing machine, and comprehensively compares the difference between the first distance and the third distance to obtain the displacement; when the displacement exceeds the target movement value, a warning is given and the foot adjustment device 120 is controlled by the feedback processing device 130.

[0134] In some embodiments, the method for adjusting the balance of a household appliance provided by an embodiment of the present invention may further include:

[0135] Obtain the balance of household appliances when they are stationary;

[0136] It is determined that the balance degree is lower than the target balance value, and the foot adjustment device 120 of the household appliance is controlled to operate to adjust the balance degree of the household appliance.

[0137] After the household appliance is installed, there is no need for the user to adjust the feet manually. After power-on, the balance detection device 140 detects the tilt of the household appliance and outputs information such as the tilt angle based on the tilt. The feedback processing device 130 calculates the control amount of the stepper motor based on the tilt angle, and outputs a pulse control signal through the drive unit. The pulse control signal controls the stepper motor to rotate to a corresponding angle, driving the foot adjustment device 120 to adjust the foot. The entire balance adjustment system achieves self-balancing of the household appliance through a closed-loop control algorithm (PID, etc.).

[0138] In some embodiments, the balance adjustment method may further include:

[0139] Acquiring acceleration characteristics and / or angular velocity characteristics of the household appliance when the household appliance is working;

[0140] Uploading the acceleration characteristics and / or angular velocity characteristics to a server;

[0141] Receive a fault identification result sent by the server, where the fault identification result is determined based on the acceleration curve and / or the angular velocity curve and a reference acceleration curve and / or a reference angular velocity curve of the household appliance, and the acceleration curve and / or the angular velocity curve is determined based on the acceleration feature and / or the angular velocity feature.

[0142] Among them, when the fit between the acceleration curve and the reference acceleration curve is less than the first target fit, and / or the fit between the angular velocity curve and the reference angular velocity curve is less than the second target fit, the acceleration curve and / or the angular velocity curve are compared with the acceleration / angular velocity curves under various fault modes, the fault type is determined according to the curve fit, and the fault identification result is issued.

[0143] In some embodiments, Figure 5 As shown, taking a household appliance as a washing machine as an example, the balance adjustment method includes: the balance detection device 140 tests the balance of the washing machine when the washing machine is powered on; if it is unbalanced, the feedback processing device 130 adjusts the balance of the washing machine through the foot adjustment device 120 according to the data of the balance detection device 140; if it is balanced, during the washing process of the washing machine, the balance detection device 140 tests the acceleration and angular velocity, and generates an acceleration curve and / or an angular velocity curve and transmits it to the server; if the fault fitting is close, it is uploaded to after-sales and a fault reminder is given to the user through the APP.

[0144] The following is a description of a balance adjustment device for a household appliance provided by an embodiment of the present invention. The balance adjustment device for a household appliance described below and the balance adjustment method for a household appliance described above can correspond to each other.

[0145] like Figure 6 As shown, the balance adjustment device for a household appliance according to the embodiment of the present invention includes: a first acquisition unit 610 , a second acquisition unit 620 , a first determination unit 630 and a first control unit 640 .

[0146] A first acquisition unit 610 is used to acquire a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary;

[0147] A second acquisition unit 620 is used to acquire a second distance from the target position to the target reference object when the household appliance is working;

[0148] A first determining unit 630, configured to determine an amplitude of the household appliance when it is operating based on the second distance and the first distance;

[0149] The first control unit 640 is used to determine that the amplitude is greater than the target amplitude, and control the foot adjustment device 120 of the household appliance to work so as to adjust the balance of the household appliance.

[0150] According to the balance adjustment device for household appliances according to the embodiment of the present invention, by monitoring the distance between the household appliance and the target reference object, the amplitude of the household appliance during operation can be indirectly monitored, and the balance of the household appliance can be automatically adjusted based on the amplitude, thereby ensuring that the household appliance can maintain a balanced position during long-term operation, helping to reduce the working noise of the household appliance and extending the service life of the household appliance.

[0151] Figure 7 An example of a physical structure diagram of an electronic device is shown in FIG. Figure 7 As shown, the electronic device may include: a processor 710, a communication interface 720, a memory 730 and a communication bus 740, wherein the processor 710, the communication interface 720 and the memory 730 communicate with each other through the communication bus 740. The processor 710 may call the logic instructions in the memory 730 to execute a balance adjustment method for a household appliance, the method comprising: obtaining a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary; obtaining a second distance from the target position to the target reference object when the household appliance is working; determining the amplitude of the household appliance when working based on the second distance and the first distance; determining that the amplitude is greater than the target amplitude, and controlling the foot adjustment device 120 of the household appliance to work to adjust the balance of the household appliance.

[0152] In addition, the logic instructions in the above-mentioned memory 730 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 such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for 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 invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0153] Furthermore, an embodiment of the present invention discloses a computer program product, which includes a computer program stored on a non-transitory computer-readable storage medium, and the computer program includes program instructions. When the program instructions are executed by a computer, the computer can execute the balance adjustment method of a household appliance provided by the above-mentioned method embodiments, the method including: obtaining a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary; obtaining a second distance from the target position to the target reference object when the household appliance is working; based on the second distance and the first distance, determining the amplitude of the household appliance when it is working; and when it is determined that the amplitude is greater than the target amplitude, controlling the foot adjustment device 120 of the household appliance to work to adjust the balance of the household appliance.

[0154] On the other hand, an embodiment of the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, it is implemented to execute the balance adjustment method of the household appliance provided in the above-mentioned embodiments, the method comprising: obtaining a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary; obtaining a second distance from the target position to the target reference object when the household appliance is working; based on the second distance and the first distance, determining the amplitude of the household appliance when it is working; and determining that the amplitude is greater than the target amplitude, controlling the foot adjustment device 120 of the household appliance to work to adjust the balance of the household appliance.

[0155] 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.

[0156] 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.

[0157] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention 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 invention.

[0158] The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Although the present invention is described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and should be included in the scope of the claims of the present invention.

Claims

1. A balance adjustment system for household appliances, characterized in that: include: a distance detection device, for obtaining a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary, a second distance from the target position to the target reference object when the household appliance is working; and, after the household appliance stops working, for obtaining a third distance from the target position to the target reference object when the household appliance is stationary; A foot adjustment device, used to adjust the angle of the household appliance; a feedback processing device, electrically connected to the distance detection device and the foot adjustment device, for determining the amplitude of the household appliance when it is working based on the second distance and the first distance, and controlling the foot adjustment device based on the amplitude; The feedback processing device is further used to determine that the amplitude is not greater than the target amplitude, determine the displacement of the household appliance based on the third distance and the first distance, and control the foot adjustment device of the household appliance based on the displacement.

2. The balance adjustment system for household appliances according to claim 1, characterized in that: The feedback processing device comprises: a data processing unit, the data processing unit being electrically connected to the distance detection device, and configured to determine an amplitude based on the first distance and the second distance collected by the distance detection device, and to send a control signal based on the amplitude; A driving unit, the driving unit is electrically connected to the data processing unit and the foot adjustment device, and is used to send a control instruction to the foot adjustment device based on the control signal.

3. The balance adjustment system for household appliances according to any one of claims 1 to 2, characterized in that: Also includes: A balance detection device, used to obtain the balance of the household appliance when it is stationary, and electrically connected to the feedback processing device; The feedback processing device is further used to control the foot adjustment device based on the balance degree.

4. The balance adjustment system for household appliances according to claim 3, characterized in that: The balance detection device comprises: A multi-axis gyroscope, wherein the multi-axis gyroscope is used to collect acceleration characteristics and / or angular velocity characteristics of the household appliance when it is working; A computing and processing unit, the multi-axis gyroscope is electrically connected to the computing and processing unit, the computing and processing unit is electrically connected to the feedback processing device, and the computing and processing unit is used to determine the balance degree based on the acceleration characteristics and / or angular velocity characteristics and send it to the feedback processing device.

5. A household appliance, characterized in that: The invention comprises a balance adjustment system as claimed in any one of claims 1 to 4.

6. A method for adjusting the balance of a household appliance, characterized in that: include: Acquire a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary; Acquire a second distance from the target position to the target reference object when the household appliance is working; determining, based on the second distance and the first distance, an amplitude of the household appliance when it is in operation; Determining that the amplitude is greater than a target amplitude, and controlling a foot adjustment device of the household appliance to operate to adjust a balance of the household appliance; It also includes: determining that the amplitude is not greater than the target amplitude, and obtaining, after the household appliance stops working, a third distance from the target position to the target reference object when the household appliance is stationary; determining a displacement of the household appliance based on the third distance and the first distance; It is determined that the displacement is greater than the target movement value, and the foot adjustment device of the household appliance is controlled to operate to adjust the balance of the household appliance.

7. The method for adjusting the balance of a household appliance according to claim 6, characterized in that: After determining the amplitude of the household appliance when it is working based on the second distance and the first distance, the balance adjustment method further includes: Based on the amplitude, obtaining an amplitude characteristic curve; Uploading the amplitude characteristic curve to a server; A fault diagnosis result sent by the server is received, wherein the fault diagnosis result is determined based on the amplitude characteristic curve.

8. The method for adjusting the balance of a household appliance according to any one of claims 6 to 7, characterized in that: Also includes: Obtain the balance of household appliances when they are stationary; It is determined that the balance is lower than the target balance value, and the foot adjustment device of the household appliance is controlled to operate to adjust the balance of the household appliance.

9. The method for adjusting the balance of a household appliance according to claim 8, characterized in that: Also includes: Acquiring acceleration characteristics and / or angular velocity characteristics of the household appliance when the household appliance is working; Uploading the acceleration characteristics and / or angular velocity characteristics to a server; Receive a fault identification result sent by the server, wherein the fault identification result is determined based on the acceleration curve and / or the angular velocity curve and a reference acceleration curve and / or a reference angular velocity curve of the household appliance, and the acceleration curve and / or the angular velocity curve is determined based on the acceleration feature and / or the angular velocity feature.

10. A balance adjustment device for household appliances, characterized in that: include: A first acquisition unit, configured to acquire a first distance from a target position of the household appliance to a target reference object when the household appliance is stationary; A second acquisition unit, configured to acquire a second distance from the target position to the target reference object when the household appliance is working; a first determining unit, configured to determine an amplitude of the household appliance when it is in operation based on the second distance and the first distance; a third acquisition unit, configured to acquire, after the household appliance stops working, a third distance from the target position to the target reference object when the household appliance is stationary; a second determining unit, configured to determine a displacement of the household appliance based on the third distance and the first distance; A first control unit, configured to determine that the amplitude is greater than a target amplitude, and control a foot adjustment device of the household appliance to operate so as to adjust a balance of the household appliance; And, it is used to determine that the amplitude is not greater than the target amplitude, and determine that the displacement is greater than the target movement value, and control the foot adjustment device of the household appliance to work to adjust the balance of the household appliance.

11. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the steps of the method for adjusting the balance of a household appliance as claimed in any one of claims 6 to 9 are implemented.

12. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for adjusting the balance of a household appliance as claimed in any one of claims 6 to 9 are implemented.

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