Motor control method and apparatus, oral care device, and storage medium

Abstract

Disclosed in embodiments of the present application are a motor control method and apparatus, an oral care device, and a storage medium. The method is applied to the oral care device. The oral care device comprises a motor. The method comprises: inputting a driving signal to the motor, wherein the driving signal is used for driving the motor to perform a combined movement of multiple types of movements, so that the oral care device performs a care operation on the oral cavity and produces a combined sound corresponding to the combined movement.

Description

Motor control methods, devices, oral care equipment and storage media Technical Field

[0001] This application relates to the field of oral care technology, specifically to a motor control method, device, oral care equipment, and storage medium. Background Technology

[0002] To improve the human-computer interaction of oral care devices, these devices can output audio such as voice or music to interact with users during use. In related technologies, oral care devices generate sound by controlling motor vibrations, enabling the playback of audio such as voice or music. Therefore, improving the sound quality of the sound generated by the motor in oral care devices has become a pressing issue that needs to be addressed.

[0003] Summary of the Invention

[0004] This application discloses a motor control method, device, oral care equipment, and storage medium.

[0005] This application discloses a motor control method applied to an oral care device, the oral care device including a motor, the method comprising:

[0006] A drive signal is input to the motor, which drives the motor to perform a combination of various movements, so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

[0007] This application discloses a motor control device applied to an oral care device, the oral care device including a motor, and the device comprising:

[0008] The drive module inputs a drive signal to the motor, which drives the motor to perform a combination of various movements, so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

[0009] This application discloses an oral care device, including a memory and a processor. The memory stores a computer program, which, when executed by the processor, causes the processor to implement the method described above.

[0010] This application discloses a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements the method described above.

[0011] Details of one or more embodiments of this application are set forth in the following drawings and description. Other features and advantages of this application will be apparent from the specification, drawings, and claims. Attached Figure Description

[0012] Figure 1A is an application scenario diagram of the motor control method in one embodiment;

[0013] Figure 1B is a schematic diagram of the motor structure in one embodiment;

[0014] Figure 2 is a flowchart of a motor control method in one embodiment;

[0015] Figure 3 is a schematic diagram of the three axial directions of the motor in one embodiment;

[0016] Figure 4 is a schematic diagram showing the relationship between the combined motion of the motor and the combined sound in one embodiment;

[0017] Figure 5 is a schematic diagram showing the relationship between the combined motion of the motor and the combined sound in another embodiment;

[0018] Figure 6A is a schematic diagram of the spectrum corresponding to the combined sound in one embodiment;

[0019] Figure 6B is a schematic diagram of the spectrum corresponding to the combined sound in another embodiment;

[0020] Figure 7 is a schematic diagram of multiple sounds generated by various movements of the motor in one embodiment;

[0021] Figure 8A is a schematic diagram of a rotor reciprocating around a reference position as the zero axis in one embodiment;

[0022] Figure 8B is a schematic diagram showing the change of the rotor's reference position in one embodiment;

[0023] Figure 9 is a schematic diagram of the motor's motion amplitude and motion frequency in one embodiment;

[0024] Figure 10 shows a schematic diagram of the spectrum corresponding to the combined sound in another embodiment;

[0025] Figure 11 is a waveform diagram of multiple driving sub-signals in one embodiment;

[0026] Figure 12 is a block diagram of a motor control device in one embodiment;

[0027] Figure 13 is a structural block diagram of an oral care device in one embodiment. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] It is understood that the terms "first," "second," etc., used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. The term "multiple" as used in this application refers to two or more. The term "and / or" as used in this application refers to one of the solutions, or any combination of multiple solutions.

[0030] Figure 1A is an application scenario diagram of the motor control method in one embodiment. As shown in Figure 1A, the motor control method disclosed in this application embodiment can be applied to an oral care device 100, which may include, but is not limited to, an electric toothbrush, a water flosser, etc.

[0031] In some embodiments, the oral care device 100 may include a care component 110 and a handle 120, the care component 110 and the handle 120 being detachably connected. Taking an electric toothbrush as an example, the care component may be a brush head, which may consist of a brush handle and bristles.

[0032] In some embodiments, a motor may be provided in the handle 120 of the oral care device 100. During the operation of the oral care device 100, the motor can be controlled to run, thereby driving the care component 110 to move and perform oral care operations, so as to realize the oral care function of the oral care device 100. For example, taking the oral care device 100 as an electric toothbrush, the motor can drive the brush head to move and perform brushing operations on the mouth.

[0033] In this embodiment, the oral care device 100 can control a motor to perform a combination of various movements, thereby driving the care component 110 to perform a combination of various movements to achieve oral care operations. Optionally, the various movements may include movements with six degrees of freedom.

[0034] Optionally, the motor may include, but is not limited to, a sonic motor, a servo motor, a bidirectional motor, a multidirectional motor, etc. The number of the motor may be one or more, that is, the motor may be a motor assembly composed of multiple motors. For example, the above-mentioned multiple movements may correspond one-to-one with multiple motors, that is, one movement may correspond to one motor; or, multiple movements may correspond to one motor, which is not limited here.

[0035] Taking the superimposed motion of small-amplitude vibration and large-amplitude sweeping of the nursing component 110 of the oral care device 100 as an example, the oral care device 100 can control the rotor in the motor to oscillate back and forth around the reference position as the zero axis, and control the rotor to rotate to change the reference position. The oscillation of the rotor in the motor around the reference position as the zero axis can drive the nursing component 110 to vibrate with a small amplitude, and the rotation of the rotor to change the reference position can drive the nursing component 110 to sweep with a larger amplitude, thereby increasing the nursing range of the nursing component 110 and improving the oral care effect.

[0036] For example, Figure 1B is a schematic diagram of the motor structure in one embodiment. Taking a motor capable of simultaneously driving the care device 110 to perform superimposed movements of small-amplitude vibration and large-amplitude sweeping as an example, the motor may include a rotor 130, a stator module 140, and a control module 150. The rotor 130 includes a central shaft 131, which can be detachably connected to the care device 110; the stator module 140 can magnetically cooperate with the rotor 130 to drive the rotor 130 to rotate, and the stator module 140 may include a permanent magnet or an electromagnet.

[0037] The control module 150 can control the rotor 130 to reciprocate in the circumferential direction. In some embodiments, the control module 150 can control the rotor 130 to oscillate back and forth around a reference position as a zero axis, and control the rotor 130 to rotate to change the reference position, thereby increasing the oscillation amplitude of the rotor 130 in the circumferential direction. Further, the control module 150 can control the central shaft 131 to oscillate back and forth around a reference position as a zero axis, and control the central shaft 131 to rotate to change the reference position. During the movement of the central shaft 131, it can drive the nursing component 110 to move, realizing the oral care operation.

[0038] The control module 150 may include a position detection element 151 and a controller 152. The position detection element 151 can be used to detect the real-time position of the rotor 130, and the controller 152 can control the rotor movement according to the real-time position of the rotor 130. The position detection element 151 may include, but is not limited to, Hall elements, optical elements, and other elements with position detection functions.

[0039] It should be noted that the motor may also include other components, such as copper contacts, coils, bearings, etc. The specific structure of the motor is not limited in the embodiments of this application.

[0040] It should be noted that Figure 1B only shows one type of motor structure that can simultaneously drive the nursing component 110 to perform superimposed movements of small-amplitude vibration and large-amplitude sweeping. The motor can also be a motor structure that can realize other motion modes. The specific structure of the motor is not limited in the embodiments of this application.

[0041] As shown in Figure 2, in one embodiment, a motor control method is provided, which can be applied to the above-mentioned oral care device. The method may include the following steps:

[0042] Step 210: Input a drive signal to the motor. The drive signal is used to drive the motor to perform a combination of various movements so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

[0043] The motor in the oral care device can support various motion modes, which may differ in motion direction and / or motion parameter range. The motion direction can be translational or rotational. The motion parameter range characterizes the selectable numerical intervals of the motion parameters corresponding to the motion mode. Optionally, motion parameters may include, but are not limited to, motion frequency and motion amplitude. The motion frequency of any motion refers to the number of times the motor performs that motion per unit time; the motion amplitude of any motion refers to the size of the motor's motion range, which can be expressed as motion distance, motion angle, etc. Motion frequency can correspond to a motion frequency range, and motion amplitude can correspond to a motion amplitude range. The motion frequency and motion amplitude of any motion can be selected and configured within the corresponding motion frequency range and motion amplitude range, respectively.

[0044] During the operation of oral care equipment, the equipment can input drive signals to the motor to drive the motor to perform a combination of various movements. The motor can drive the care components to move, thereby realizing the oral care operation.

[0045] In some embodiments, the motor can support six degrees of freedom of motion. The motor can correspond to three axial directions, which are perpendicular to each other. The various movements that the motor can perform may include translational and rotational movements based on the three axial directions respectively. For example, as shown in FIG3, the three axial directions corresponding to the motor 300 include the X-axis, Y-axis, and Z-axis. The motor can perform translational movements along the X-axis, Y-axis, and Z-axis directions, and it can also perform rotational movements around the X-axis, Y-axis, and Z-axis directions.

[0046] The combined motion of the motor can be a combination of any two motions in six degrees of freedom, or a combination of different amplitudes of the same motion in six degrees of freedom. Further, the combined motion can include one or more of the following: a combination of translational motions performed by the motor along any two axes; a combination of rotational motions performed by the motor around any two axes; a combination of translational and rotational motions performed by the motor based on the same axis; a combination of translational and rotational motions performed by the motor based on any two axes; a combination of translational motions performed by the motor along the same axis by two different translational distances; and a combination of rotational motions performed by the motor around the same axis by two different rotational angles.

[0047] Combinations of translational movements along any two axes, such as translational movements along the X and Y axes, or translational movements along the X and Z axes, etc.; combinations of rotational movements of the motor about any two axes, such as rotational movements about the Y and Z axes, or rotational movements about the X and Y axes, etc.; combinations of translational and rotational movements of the motor based on the same axis, such as translational movement along the X axis and rotational movement about the X axis, or translational movement along the Y axis and rotational movement about the Y axis, etc.; combinations of translational and rotational movements of the motor based on any two axes. Combinations of kinetic and rotational motions, for example, could be translational motion along the X-axis and rotational motion around the Y-axis, or translational motion along the Z-axis and rotational motion around the X-axis; combinations of translational motions performed by the motor along the same axis by two different translational distances, for example, translational motions along the Z-axis by two different translational distances, or translational motions along the X-axis by two different translational distances; combinations of rotational motions performed by the motor around the same axis by two different rotational angles, for example, rotational motions around the Y-axis by two different rotational angles, or rotational motions around the Z-axis by two different rotational angles, etc. It should be noted that the above-described combinations of motions are only used to illustrate the possible combinations of motor motions and are not intended to limit the specific combinations of motions performed by the motor.

[0048] In this embodiment, the motor in the oral care device can support six degrees of freedom of motion. During the operation of the oral care device (i.e., the nursing process of performing oral care operations), any combination of two of the six degrees of freedom of motion can be selected, or a combination of different amplitudes of the same motion in the six degrees of freedom of motion can be selected, thereby enriching the combination of motions that the nursing device can perform and further improving the oral care effect of the oral care device.

[0049] During the operation of the motor, the motor can generate sound wave signals, thereby producing sound. These sound wave signals can be transmitted to the human ear through the nursing device, allowing the user to hear the sound produced by the motor.

[0050] In this embodiment, during the combined motion of a motor performing multiple movements, a combined sound corresponding to that combined motion can be generated. The combined sound refers to a sound obtained by combining multiple sounds, which can be generated separately by the multiple motions performed by the motor. Some or all of the multiple motions performed by the motor can generate sound. For example, if the motor performs a combined motion of a first motion and a second motion, then the motor can generate a first sound when performing the first motion, and a second sound when performing the second motion. The first sound and the second sound are different, for example, in terms of different frequencies, volumes, and pitches, etc., but not limited to these. The motor can generate combined sounds obtained by combining multiple different sounds. Compared to a method where only one sound can be generated by motor vibration, it can output complex sounds such as chords, producing richer and more diverse sound effects, better meeting the user's needs.

[0051] In this embodiment, the oral care device can control the motor to perform a combination of multiple movements. Compared to a single movement, the combination of multiple movements of the motor can provide oral care from multiple different angles or expand the care range of the care device, thereby improving the oral care effect of the oral care device. Furthermore, while the motor is performing a combination of multiple movements, it can generate a combination of sounds corresponding to that combination of movements. By controlling the combination of movements of the motor, the motor can produce rich and diverse combination sounds, thus improving the sound effect of the oral care device.

[0052] In some embodiments, the combined motion of multiple movements may include a combination of movements performed separately in multiple time periods, and the combined sound may include a combination of sounds generated by the motor performing a movement separately in multiple time periods; and / or, the combined motion of multiple movements may include a combination of multiple movements performed in the same time period, and the combined sound may include a combination of multiple sounds generated by the motor performing multiple movements in the same time period, wherein the multiple sounds may correspond one-to-one with the multiple movements.

[0053] In one implementation, the combined motion of the motor can be a combination of motions performed separately in multiple time periods. Optionally, the duration of the entire nursing process for each oral care operation by the oral care device can be defined as the total nursing time. This total nursing time can be divided into multiple time periods, each of which can be the same or different. Within each time period, the motor can perform one type of motion. Different time periods can perform different motions, or the same motion can be performed in different time periods, but with different motion parameters (such as different motion frequency, different motion amplitude, etc., but not limited to these). Optionally, if the motor performs the same motion in two non-adjacent time periods (i.e., there is at least one time period between the two time periods), the motion parameters can also be the same.

[0054] For example, if the total duration of the entire oral care process is 2 minutes, it can be divided into 6 time periods, each lasting 30 seconds. The motor can perform movement A in the first time period, movement B in the second time period, movement C in the third time period, movement A in the fourth time period, movement D in the fifth time period, and movement B in the sixth time period, etc. The movement parameters of movement A in the fourth time period can be the same as those of movement A in the first time period, and the movement parameters of movement B in the sixth time period can be different from those of movement B in the second time period, etc., but are not limited to these.

[0055] The combined sound produced by the motor can be a combination of sounds generated by a single motion occurring in multiple time periods. Optionally, the motor can produce sounds with different pitches and / or different volumes in different time periods. The pitch of the sound produced by the motor can be determined by the frequency of the motion performed by the motor. If the motor performs a single motion at different frequencies in different time periods, it can produce sounds with different pitches. The volume of the sound produced by the motor can be related to the amplitude of the motion performed by the motor. A larger amplitude of motion will produce a larger volume of sound. If the motor performs a single motion at different amplitudes in different time periods, it can produce sounds with different volumes. Optionally, the motor can also produce sounds with the same pitch and volume in two non-adjacent time periods.

[0056] For example, the motor can perform movement A in the first time period and produce sound a1; it can perform movement B in the second time period and produce sound b1; it can perform movement C in the third time period and produce sound c1; it can perform movement A in the fourth time period and produce sound a2; it can perform movement D in the fifth time period and produce sound d1; it can perform movement B in the sixth time period and produce sound b1, etc., but it is not limited to these.

[0057] In some embodiments, the motor can sequentially perform multiple movements in a preset sequence over multiple time periods. The combined sound generated by the motor can include a combination of the sounds generated by these multiple movements in different time periods. For example, Figure 4 is a schematic diagram illustrating the relationship between the combined movements of the motor and the combined sound in one embodiment. As shown in Figure 4, the motor performs a first movement and a second movement, which can be performed alternately over multiple time periods throughout the nursing process. The first and second movements can then generate sounds in turn; for example, if the first movement is performed in the first time period, the first movement can generate a first sound (sound e1); if the second movement is performed in the second time period, the second movement can generate a second sound (sound f1); if the first movement is performed in the third time period, the first movement can generate a first sound (sound e2); if the second movement is performed in the fourth time period, the second movement can generate a second sound (sound f2); if the first movement is performed in the fifth time period, the first movement can generate a first sound (sound e3)... and so on.

[0058] Optionally, the sound produced by the same movement of the motor can be the same at different time periods, such as the pitch and volume of the sound produced by the same movement at different time periods being the same; alternatively, the sound produced by the same movement of the motor can be different at different time periods, such as the pitch and / or volume of the sound produced by the same movement at different time periods being different.

[0059] In this embodiment of the application, by configuring the movement of the motor in each time period and the corresponding movement parameters, a rich and diverse combination of sounds can be generated. Moreover, since the motor only generates one sound in each time period, the purity of the sound generated by the motor can be improved, thereby enhancing the sound effect output by the oral care device.

[0060] As another implementation, the combination of multiple movements performed by the motor can be a combination of multiple movements performed within the same time period. This combination of multiple movements within the same time period refers to the motor performing multiple different movements simultaneously within the same time period. For example, within a certain time period, the motor performs movement A and movement B simultaneously. Optionally, throughout the entire care process of the oral care device, the motor can perform the same multiple movements simultaneously. For example, throughout the entire care process of the oral care device, the motor can perform movement A and movement B simultaneously. Further, in different time periods of the entire care process, movement A and movement B can correspond to different movement parameters. Optionally, the multiple movements performed simultaneously by the motor in different time periods of the entire care process can be different. For example, the motor can perform movement A and movement B simultaneously in the first time period, and movement A and movement C simultaneously in the second time period, etc., but is not limited to this.

[0061] The combined sound generated by the motor can be a combination of multiple sounds produced by the motor performing various movements within the same time period. These multiple sounds correspond one-to-one with the various movements; that is, each of the multiple movements performed by the motor within the same time period can produce a sound. For example, if the motor performs a first movement and a second movement simultaneously within a certain time period, the motor can simultaneously produce a first sound corresponding to the first movement and a second sound corresponding to the second movement. For example, Figure 5 is a schematic diagram illustrating the relationship between the combined movements of the motor and the combined sounds in another embodiment. As shown in Figure 5, the motor performs a first movement and a second movement in the first time period, producing a first sound (sound e1) and a second sound (sound f1); the motor performs the first movement and a second movement in the second time period, producing a first sound (sound e2) and a second sound (sound f2); the motor performs the first movement and a second movement in the third time period, producing a first sound (sound e3) and a second sound (sound f3). The user can hear the superposition of multiple sounds within the same time period, improving the sound effect output by the oral care device.

[0062] Optionally, the multiple sounds produced by the various movements of the motor during the same time period can be sounds with different pitches and / or different volumes, or sounds with the same pitch and the same volume.

[0063] In some embodiments, multiple sounds generated by the motor within the same time period correspond to the same sound frequency, or at least two of the multiple sounds generated by the motor within the same time period correspond to different sound frequencies.

[0064] When a motor performs multiple movements at the same frequency within the same time period, the resulting sounds correspond to the same frequency. Since these sounds share the same frequency, they also share the same pitch. By controlling the motor to perform multiple movements at the same frequency within the same time period, multiple sounds with the same pitch can be produced. This allows for the superposition of these sounds, increasing the sound intensity output by the oral care device.

[0065] If a motor performs multiple movements within the same time period, at least two of these movements have different frequencies. The different movements performed by the motor at different frequencies will produce sounds with different frequencies, thus producing sounds of different pitches.

[0066] In some embodiments, in the sound spectrum corresponding to the combined sound, the multiple sounds generated by the motor in the same time period correspond to the same spectral energy, or, among the multiple sounds generated by the motor in the same time period, at least two sounds have different spectral energies.

[0067] It can acquire the sound signal corresponding to the combined sound generated by the motor of the oral care device, and perform Fourier transform on the sound signal to obtain the spectrum corresponding to the combined sound. The spectrum corresponding to the combined sound can be used to characterize the energy distribution of the combined sound at multiple sound frequencies.

[0068] In the sound spectrum corresponding to a combination of sounds, a motor generates multiple sounds within the same time period. These multiple sounds have the same energy distribution across their corresponding frequencies, meaning the energy distribution of each sound is identical within the same time period. The energy corresponding to a sound can be related to its intensity; the greater the energy of the sound, the stronger the sound intensity, and thus the louder the volume.

[0069] For example, Figure 6A is a spectrum diagram of the combined sound in one embodiment. As shown in Figure 6A, the horizontal axis of this spectrum diagram represents time, and the vertical axis represents frequency, showing the energy distribution of the combined sound at each sound frequency. The wider the energy bar corresponding to a sound frequency, the more energy is distributed. The motor can simultaneously perform a first movement and a second movement. The energy distribution of the first sound generated by the first movement can be shown as energy bar 610, and the energy distribution of the second sound generated by the second movement can be shown as energy bar 620. The sound frequencies of the first sound generated by the first movement and the second sound generated by the second movement are different. The widths of energy bars 610 and 620 are the same, indicating that the spectral energy of the first sound generated by the first movement is the same as that of the second sound generated by the second movement. The user can hear the superposition of multiple sounds of the same volume at the same time, improving the sound effect output by the oral care device.

[0070] In the sound spectrum corresponding to the combined sounds, the motor generates multiple sounds within the same time period. Among these multiple sounds, at least two sounds may have different spectral energies, and the energy distribution at the corresponding sound frequencies of these at least two sounds may differ, thereby generating at least two sounds with different volume levels. For example, Figure 6B is a schematic diagram of the sound spectrum corresponding to the combined sounds in another embodiment. As shown in Figure 6B, the motor can simultaneously perform a first movement and a second movement. The energy distribution of the first sound generated by the first movement can be shown as energy bar 630, and the energy distribution of the second sound generated by the second movement can be shown as energy bar 640. The sound frequencies of the first sound generated by the first movement and the second sound generated by the second movement are different, and the widths of energy bars 630 and 620 are inconsistent. Furthermore, the width of energy bar 630 is greater than the width of energy bar 620, indicating that the energy distribution of the first sound generated by the first movement is greater than the energy distribution of the second sound generated by the second movement, and the volume of the first sound is greater than that of the second sound. It should be noted that during a single oral care process using an oral care device, the relationship between the energy distributions of the two sounds produced by the two movements can change and is not necessarily constant. For example, in the first time period, the energy distribution of the first sound produced by the first movement is greater than the energy distribution of the second sound produced by the second movement; in the second time period, the energy distribution of the first sound produced by the first movement is less than the energy distribution of the second sound produced by the second movement, and so on.

[0071] It should be noted that Figures 6A and 6B above are only used to illustrate the spectral energy distribution of sounds produced by different movements, and are not used to limit the spectrum corresponding to specific combinations of sounds.

[0072] When an electric motor performs multiple movements within the same time period, at least two of these movements have different amplitudes. The different movements performed by the motor with different amplitudes result in different spectral energy distributions of the sound, thus producing different volumes of sound.

[0073] In this embodiment, by configuring the motor to perform various movements at different times and the corresponding movement parameters, it is possible to produce sound effects such as the superposition of different tones and different volumes, thus enriching the sound produced by the oral care device.

[0074] In some embodiments, the combined sound generated by the motor includes a combination of multiple sounds generated by multiple movements performed by the motor in the same time period, wherein each of the multiple sounds corresponds to one of the multiple movements and each of the multiple sounds corresponds to a different range of musical scales.

[0075] The various movements performed by the motor correspond to different frequency ranges, each covering a different range of musical scales. Each scale range can include multiple scales. Optionally, the various movements of the motor can correspond to different octaves. By controlling the combination of these movements, a combination of multiple tones belonging to different octaves can be produced. A major key can include one octave, such as C major, G major, and D major. The motor can produce a combination of multiple tones belonging to different major keys, enriching the sound produced by the motor and enabling the oral care device to generate most types of music, thus improving the sound output effect of the oral care device.

[0076] In some embodiments, the duration of multiple sounds generated by the motor within the same time period may be the same, or at least two of the multiple sounds generated by the motor within the same time period may have different durations.

[0077] The duration of sound within a time period refers to the continuous output of sound within that time period. Multiple sounds generated by the motor within the same time period can have the same duration. Furthermore, within the same time period, the motor can simultaneously perform multiple movements, which can start and end simultaneously. This allows the motor to simultaneously generate sounds corresponding to each movement, with all sounds starting and ending simultaneously. For example, as shown in Figure 5, the first and second movements generate sounds with the same duration (i.e., duration) within the same time period. This method simplifies motor control and ensures that the motor moves in a more regular manner within the same time period, guaranteeing the cleaning effect of the oral care device.

[0078] Optionally, among the multiple sounds generated by the motor within the same time period, at least two sounds may have different durations. Within the same time period, the motor may simultaneously perform multiple movements, which may start or end at different times. Therefore, the durations of the sounds generated by at least two movements may be different; for example, the sounds corresponding to the at least two movements may not start and / or end at the same time. For example, Figure 7 is a schematic diagram of multiple sounds generated by multiple movements performed by the motor in one embodiment. As shown in Figure 7, in the first time period, the duration of the first sound (e1) generated by the motor's first movement is longer than the duration of the second sound (f1) generated by the motor's second movement. The first and second sounds start simultaneously but do not end simultaneously. In the second time period, the duration of the first sound (e2) generated by the motor's first movement is shorter than the duration of the second sound (f2) generated by the motor's second movement. The first and second sounds do not start simultaneously but end simultaneously. In the third time period, the duration of the first sound (e3) generated by the motor's first movement is longer than the duration of the second sound (f3) generated by the motor's second movement. The first and second sounds do not start simultaneously and do not end simultaneously. The motor can generate sounds of different durations within the same time period, thus producing combinations of sounds with different rhythms, improving the sound effect output by the oral care device.

[0079] In this embodiment of the application, by configuring the various movements of the motor in different time periods and the corresponding motion parameters of the various movements, it is possible to generate a combination of multiple tones and rhythms in different ranges of pitch, thereby improving the richness and diversity of the generated combination sounds, adapting to most music playback needs, and improving the sound effect output by the oral care device.

[0080] In some embodiments, the combination of multiple movements performed by the motor may be a combination of two movements. These multiple movements may include a loosening movement and a peeling movement; the loosening movement can be used to loosen tartar using the oral care device, and the peeling movement can be used to peel tartar off the tooth surface using the oral care device.

[0081] In some embodiments, the frequency of the loosening motion is higher than that of the peeling motion, and the amplitude of the loosening motion is smaller than that of the peeling motion. Furthermore, the loosening motion can employ vibration to loosen the plaque, while the peeling motion, with its lower frequency, primarily serves to increase the cleaning range of the cleaning device, allowing it to sweep the loosened plaque away from the tooth surface. By combining the loosening and peeling motions, the loosening motion loosens the plaque, and the peeling motion removes it from the tooth surface, achieving a better cleaning effect.

[0082] Optionally, the combined motion of the motor performing loosening and peeling motions can generate a combined sound. In the sound spectrum corresponding to this combined sound, the spectral energy of the sound generated by the loosening motion can be greater than the spectral energy of the sound generated by the peeling motion; and / or, the volume of the sound generated by the loosening motion is greater than the volume of the sound generated by the peeling motion.

[0083] Because the frequency of loosening motion is higher than that of peeling motion, the sound generated by loosening motion is more easily perceived by the user. Therefore, in the sound spectrum corresponding to the combined sound, the sound generated by loosening motion has a greater energy distribution at each sound frequency and a louder volume, while the sound generated by peeling motion has a less energy distribution at each sound frequency and a lower volume.

[0084] In this embodiment, by controlling the motor to perform a combination of loosening and peeling movements, the cleaning effect of the oral care device can be improved. Furthermore, the combination of loosening and peeling movements performed by the motor can generate a combination of sounds. The loosening and peeling movements can each correspond to different movement frequencies, thereby producing sound combinations with different tones, which improves the sound effect output by the oral care device.

[0085] In some embodiments, the various movements performed by the motor may include a first movement and a second movement. The first movement may be a movement that drives the nursing component to reciprocate at a first angle around the length direction of the handle, and the second movement may be a movement that drives the nursing component to reciprocate at a second angle around the length direction of the handle, wherein the first angle is smaller than the second angle; or, the first movement may be a movement that drives the nursing component to reciprocate at a first angle around the length direction of the handle, and the second movement may be a movement that drives the nursing component to reciprocate in a straight line along the length direction of the handle; or, the first movement may be a movement that drives the nursing component to reciprocate at a second angle around the length direction of the handle, and the second movement may be a movement that drives the nursing component to reciprocate in a straight line along the length direction of the handle.

[0086] The motor drives the nursing device to reciprocate at a first angle along the length of the handle, which can be understood as the motor driving the nursing device to vibrate with a small amplitude along the length of the handle. The motor drives the nursing device to reciprocate at a second angle along the length of the handle, which can be understood as the motor driving the nursing device to sweep with a larger amplitude along the length of the handle. The motor drives the nursing device to reciprocate in a linear motion along the length of the handle, which can be understood as the motor driving the nursing device to extend and retract along the length of the handle.

[0087] By controlling the motor to perform a combination of the first and second movements, the care device can be driven to perform a combination of small-amplitude vibration and large-amplitude sweeping movements, or a combination of small-amplitude vibration and telescopic movements, or a combination of large-amplitude sweeping and telescopic movements, etc., to loosen and peel off dental plaque, effectively clean dental plaque in the mouth, and improve the cleaning effect of oral care equipment.

[0088] In some embodiments, the first movement of the motor may include the rotor reciprocating about a reference position as a zero axis; the second movement of the motor may include the rotor rotating to change the reference position. The rotor reciprocating about a reference position as a zero axis in the circumferential direction, the oscillation mainly refers to the reciprocating motion of the rotor about the reference zero axis in the circumferential direction, and the rotation can adjust the reference position for the rotor to reciprocate.

[0089] For example, Figure 8A is a schematic diagram of a rotor reciprocating with a reference position as the zero axis in one embodiment. As shown in Figure 8A, if the rotor reciprocates with the zero position 810 as the reference zero axis, the range covered during the reciprocating motion is the swing interval 820, and the rotor's position changes back and forth between position 822 and position 824. The rotor reciprocating with the zero position 810 as the reference zero axis can be understood as the rotor swinging clockwise around the zero position 810 to position 824, then swinging counterclockwise from position 824 to position 822, and then swinging clockwise from position 822 to the zero position 810. This process can be considered as one reciprocating swing. The rotor can perform multiple reciprocating swings within one swing cycle, and the reference position remains unchanged within one swing cycle. The zero position 810 refers to the default initial position of the rotor. Generally speaking, when the rotor in the motor is at the zero position 810, the side of the brush head with bristles is in the center of the front, corresponding to the front of the handle, which makes it convenient for users to use the electric toothbrush.

[0090] For example, Figure 8B is a schematic diagram of the change of the reference position of the rotor in one embodiment. As shown in Figure 8B, the rotor can be controlled to rotate to switch the reference position from the zero position 810 to the position 830. The rotor can then reciprocate with the reference zero axis at position 830. The range covered during the reciprocating motion is the swing interval 840. The position of the rotor changes back and forth between position 842 and position 844. For example, the rotor can swing from position 830 to position 842, then from position 842 to position 844, and then from position 844 to position 830, and so on, performing multiple reciprocating swings.

[0091] The motor rotor oscillates back and forth around the reference position as the zero axis, which can drive the oral care device to vibrate slightly (such as the slight vibration corresponding to the oscillation range 820 in Figure 8A or the oscillation range 840 in Figure 8B). The motor rotor rotates to change the reference position, which can drive the oral care device to sweep more vigorously (such as the sweeping range from position 850 to position 860 in Figure 8B). This allows for the superposition of slight vibration and sweeping motion of the care device, which can effectively clean the oral cavity and improve the cleaning effect of the oral care device.

[0092] The oscillation frequency of the motor rotor reciprocating around the reference position as the zero axis can be greater than the rotation frequency of the rotor, while the oscillation amplitude of the motor rotor reciprocating around the reference position as the zero axis can be less than the rotation amplitude of the rotor.

[0093] During the simultaneous oscillation and rotation of the motor rotor, each oscillation and rotation can generate two sounds, thus outputting a combined sound. In the sound spectrum corresponding to this combined sound, the spectral energy of the sound generated by the rotor oscillation can be greater than the spectral energy of the sound generated by the rotor rotation; and / or, the volume of the sound generated by the rotor oscillation is greater than the volume of the sound generated by the rotor rotation.

[0094] Because the oscillation frequency of the rotor is greater than the rotation frequency of the rotor, the sound generated by the rotor oscillation is more easily perceived by the user. Therefore, in the sound spectrum corresponding to the combined sound, the sound generated by the rotor oscillation has a greater energy distribution at each frequency, resulting in a louder sound, while the sound generated by the rotor rotation has a smaller energy distribution at each frequency, resulting in a quieter sound. Through the oscillation and rotation of the motor's rotor, a combination of two sounds with different pitches and volumes can be produced, increasing the richness and diversity of the sounds generated by the motor and improving the sound output effect of the oral care equipment.

[0095] In some embodiments, the performance of a motor is related to its operating frequency due to the characteristics of the motor. The motor may have a target operating frequency range, which may be a frequency range that satisfies the motor's cleaning performance, or a frequency range that satisfies the motor's motion performance.

[0096] The frequency range that satisfies the motor's cleaning performance refers to the frequency range within which the motor's movement ensures effective oral cleaning. If the motor's frequency is outside this range, such as being lower or higher, the oral cleaning effect will be poor and will not meet the user's oral cleaning needs. For example, if the motor's frequency is outside this range, the amplitude of its movement will be very small, resulting in poor cleaning. For instance, Figure 9 is a schematic diagram of the motor's amplitude and frequency in one embodiment. As shown in Figure 9, the motor's amplitude is relatively large only within a certain fixed frequency range. Once it falls below or exceeds this frequency range, the amplitude becomes very small, resulting in a small cleaning range for the care device and failing to guarantee effective oral cleaning.

[0097] The frequency range that meets the requirements for motor operation performance refers to the frequency range within which the motor operates at a high efficiency and in an optimal state. If the motor's operating frequency is outside this range, such as being lower or higher than it, the motor's efficiency will decrease and its operating condition will deteriorate, leading to issues such as increased heat generation and excessive power consumption, thus affecting the motor's overall performance.

[0098] Optionally, the sound frequencies of the various movements generated by the motor may be within the target operating frequency range of the motor; and / or, the sound frequencies of the various movements generated may be between 20Hz and 20000Hz.

[0099] The sound frequencies generated by the various movements of the motor can all fall within the target operating frequency range of the motor. Furthermore, since the sound frequency of the sound generated by the motor's movements is determined by the frequency of the motor's movements, the frequencies of the various movements of the motor can also fall within the target operating frequency range of the motor. This ensures that the motor can generate combined sounds while maintaining the cleaning effect of the oral care equipment, ensuring the normal operation of the motor, and reducing motor damage.

[0100] The sound frequencies of various movements range from 20Hz to 20000Hz, which refers to the range of sound frequencies that the human ear can hear. Since the sound frequencies of various movements range from 20Hz to 20000Hz, users can hear the sounds produced by the various movements of the motor, thus ensuring that users can hear the combined sound output by the oral care device and improving the user experience.

[0101] In one implementation, in the sound spectrum corresponding to the combined sound, the sound frequency corresponding to the spectral energy exceeding the first energy percentage is within the target operating frequency range of the motor; and / or, in the multiple motion frequencies corresponding to multiple motions, the motion frequency exceeding the first quantity percentage is within the target operating frequency range of the motor; and / or, in the total motion duration of each motion performed by the motor, the motion frequency exceeding the first time percentage is within the target operating frequency range of the motor.

[0102] In the sound spectrum corresponding to the combined sound, the sound frequencies corresponding to the spectral energy exceeding a first energy percentage fall within the target operating frequency range of the motor. In other words, the energy exceeding the first energy percentage is distributed within the target operating frequency range of the motor. This first energy percentage can be set according to actual needs; for example, it can be 80%, 85%, 90%, etc., but is not limited to these. The energy percentage corresponding to a sound frequency can be used to describe the percentage of energy at that sound frequency in the overall energy of the combined sound. The energy percentage can also be used to describe energy distribution; the higher the energy percentage corresponding to a sound frequency, the more energy is distributed at that sound frequency.

[0103] For example, Figure 10 is a schematic diagram of the spectrum corresponding to the combined sound in another embodiment. As shown in Figure 10, assuming that the target operating frequency of the motor is 200-500Hz, it can be seen from Figure 10 that the sound frequencies with a higher energy content are within the target operating frequency range of the motor.

[0104] Furthermore, in the sound spectrum corresponding to the combined sound, for the energy of each sound distribution, the sound frequency corresponding to the spectral energy exceeding the first energy percentage is within the target operating frequency range of the motor, that is, the energy distribution of each sound distribution exceeding the first energy percentage is within the target operating frequency range of the motor.

[0105] During a combination of multiple motions performed by a motor, the motor can perform various motions according to the corresponding motion frequencies for each motion. These multiple motions can each correspond to different motion frequencies, and optionally, the same motion can switch between multiple motion frequencies. Among the multiple motion frequencies corresponding to the multiple motions, these multiple motion frequencies refer to all motion frequencies included in the combined motion. These multiple motion frequencies include the motion frequencies of different motions and multiple motion frequencies of the same motion. Motion frequencies exceeding a first percentage are within the target operating frequency range corresponding to the motor. That is, among all motion frequencies corresponding to the combined motion, the number of motion frequencies within the target operating frequency range of the motor exceeds the first percentage. For example, in this combined motion process, the motor performs a first motion and a second motion. The motor performs the first motion at three different motion frequencies, and the second motion at three different motion frequencies, resulting in a total of six motion frequencies. The first percentage can be set according to actual needs; for example, the first percentage could be 80%. In this case, at least five of the six different motion frequencies can be within the target operating frequency range of the motor, but this is not a limitation.

[0106] Optionally, within the total duration of each type of motor movement, the frequency of movements exceeding a certain percentage of the first time interval must fall within the target operating frequency range corresponding to the motor. The total duration of each type of motor movement can refer to the cumulative duration of each movement performed by the motor throughout the entire nursing process. For example, if the motor performs both the first and second movements during the entire nursing process, and the entire nursing process is divided into three time periods of 45 seconds each, with the motor performing the first movement in the first and third time periods and the second movement in the second time period, then the total duration of the first movement could be 90 seconds, and the total duration of the second movement could be 45 seconds, etc., but is not limited to these. The percentage of the first time interval can be set according to actual needs; for example, the percentage could be 80%, 90%, 87%, etc., but is not limited to these. Taking a total duration of 90 seconds for the first movement and a percentage of 80% as an example, then within those 90 seconds, the motor's frequency of performing the first movement must be within the target operating frequency range corresponding to the motor for at least 72 seconds.

[0107] In this embodiment, it can be ensured that the sound frequency corresponding to the combined sound and / or the motion frequency corresponding to the combined motion are mostly within the target operating frequency range of the motor. This ensures that the motor generates combined sound while maintaining the cleaning effect during the oral care device's operation, and also ensures the normal operation of the motor and reduces motor damage.

[0108] In one implementation, in the sound spectrum corresponding to the combined sound, the spectral energy of each sound frequency within the target operating frequency range corresponding to the motor is greater than the second energy proportion; and / or, in the total duration of each motion of the motor, the cumulative duration of each motion frequency within the target operating frequency range corresponding to the motor is greater than the second time proportion.

[0109] In the spectrum corresponding to the combined sound, the spectral energy of each sound frequency within the target operating frequency range corresponding to the motor is greater than the second energy percentage. That is, among the multiple sound frequencies included in the combined sound, as long as a sound frequency is within the target operating frequency range corresponding to the motor, the energy percentage corresponding to that sound frequency is greater than the second energy percentage. This second energy percentage can be set according to actual needs, such as 10%, 20%, etc., but is not limited to this.

[0110] In the total duration of each movement performed by the motor, the cumulative duration corresponding to each movement frequency within the target operating frequency range of the motor is greater than the second time percentage. The cumulative duration corresponding to a certain movement frequency can refer to the cumulative duration of the motor performing that movement at that frequency throughout the entire nursing process. Further, taking the first movement as an example, the cumulative duration corresponding to each movement frequency of the first movement is less than the total duration of the motor performing the first movement, and the sum of the cumulative durations corresponding to multiple movement frequencies of the first movement can be equal to the total duration of the motor performing the first movement. The second time percentage can be set according to actual needs, such as 15%, 25%, etc., but is not limited to this. In this entire nursing process, among the multiple movement frequencies of various movements performed by the motor, as long as the movement frequency is within the target operating frequency range of the motor, the cumulative duration corresponding to that movement frequency is greater than the second time percentage.

[0111] In this embodiment, each sound frequency within the target operating frequency range of the motor has a large energy, or each motion frequency within the target operating frequency range of the motor has a large total operating time. This ensures that the motor generates combined sounds while maintaining the cleaning effect during the oral care device's operation, and also ensures the normal operation of the motor and reduces motor damage.

[0112] As one implementation method, in the spectrum corresponding to the combined sound, the sound frequency with the largest proportion of spectral energy is within the target operating frequency range corresponding to the motor; and / or, in the total duration of each motion performed by the motor, the motion frequency with the largest cumulative duration is within the target operating frequency range corresponding to the motor.

[0113] In the spectrum corresponding to the combined sound, the sound frequency with the largest proportion of spectral energy is within the target operating frequency range of the motor, that is, the sound frequency with the most energy is within the target operating frequency range of the motor.

[0114] In the total duration of each type of motion performed by the motor, the motion frequency with the longest cumulative duration falls within the target operating frequency range corresponding to the motor. Taking the first motion as an example, during this nursing process, the motor performed the first motion for the longest time at a certain motion frequency, and this motion frequency falls within the target operating frequency range corresponding to the motor.

[0115] In this embodiment, the sound frequency with the largest proportion of spectral energy is within the target operating frequency range of the motor, or the motion frequency with the largest cumulative duration in the total duration of each motion is within the target operating frequency range of the motor. This ensures that the motor generates combined sounds while maintaining the cleaning effect during the oral care device's operation, and also ensures the normal operation of the motor and reduces motor damage.

[0116] In some embodiments, the various movements performed by the motor are regular movements. Taking the target movement among the various movements as an example, the target movement can be any of the various movements. The target movement can switch between multiple movement frequencies so that the motor produces a sound with a tone corresponding to each movement frequency.

[0117] Regular motion refers to repeatable motion patterns, meaning that for each type of motor motion, the motor's actions are repetitive and regular. Different pitches correspond to different sound frequencies. The sound frequency produced by a motor during motion is determined by the motor's motion frequency. Therefore, during each type of motion, the motor can switch between multiple motion frequencies, thus producing a sound with a pitch corresponding to each frequency. For example, if the motor performs its first motion at frequency F1 at the first moment, the pitch of the first sound produced at that moment will be f1. If the motor performs its first motion at frequency F2 at the second moment, the pitch of the first sound produced at that moment will be f2. By appropriately selecting the motion frequencies for various motor motions, the motor can produce multiple combinations of different pitches, increasing the richness of the sound produced by the motor.

[0118] Furthermore, the multiple motion frequencies of each motion performed by the motor can all be within the target operating frequency range of the motor, thereby enabling the motor to produce a combination of multiple tones while ensuring the cleaning effect of the oral care device.

[0119] In some embodiments, the oral care device may include multiple motors to support various movements, and a motor assembly composed of multiple motors may be used to drive the care component of the oral care device to perform a combination of various movements. Furthermore, the multiple motors may correspond one-to-one with the various movements performed by the motors, and the oral care device may generate multiple drive signals corresponding to the multiple motors, and input the corresponding drive signals to each of the multiple motors to drive each motor to move, thereby enabling the care component to perform a combination of various movements.

[0120] Taking target motion in a multi-motion scenario as an example, when an oral care device requires a motor to perform target motion, a target drive signal can be input to the target motor. This target drive signal is used to drive the target motor to perform the target motion. The target motor can be a motor that only performs the target motion, and it can generate corresponding sound while performing the target motion.

[0121] In one implementation, the target motor that performs the target motion and generates sound can be a sound wave motor. The target drive signal may include multiple audio signals, which can be used to drive the motor to generate a sound with a tone corresponding to the audio signal. Each audio signal includes multiple drive sub-signals, which can be used to drive the motor to generate regular motion.

[0122] The target drive signal is used to drive the target motor to perform target motion. Since the target motor can generate sound during target motion, the target drive signal can include multiple audio signals that match the sound. Different audio signals may correspond to the same or different frequencies, and each audio signal can be used to drive the target motor to produce a sound with a tone corresponding to the frequency of the audio signal. Optionally, the frequencies corresponding to the multiple audio signals may be within the target operating frequency range of the target motor, thereby ensuring the range of motion of the target motor.

[0123] Optionally, the target driving signal includes multiple audio signals, which may be one or more combinations of sine waves, square waves, and triangle waves. It should be noted that the audio signals may also be other waveforms, and the waveforms of the multiple audio signals included in the target driving signal may be the same or different; this application embodiment does not limit this.

[0124] Each audio signal may include multiple drive sub-signals. In order to drive the target motor to perform regular target movements, the multiple drive sub-signals included in each audio signal can be used to drive the target motor to produce regular movements. Optionally, the multiple drive sub-signals can be repeating waveforms, that is, the various drive sub-signals contained in the same audio signal can have the same waveform, which can refer to the same amplitude, the same wavelength, etc. The multiple drive sub-signals can exhibit periodic regular changes, that is, the audio signal as a whole can exhibit periodic regular changes, thereby driving the target motor to perform regular target movements.

[0125] Furthermore, a drive sub-signal may include two monotonic changes, which are used to drive the target motor to produce one reciprocating motion. The monotonic change of the drive sub-signal can refer to either a monotonically increasing waveform or a monotonically decreasing waveform. The two monotonic changes included in a drive sub-signal can be one monotonically increasing waveform and one monotonically decreasing waveform.

[0126] A single monotonic change in a driving sub-signal can drive the target motor to move in a first direction, and another monotonic change can drive the target motor to move in a second direction, which can be opposite. The amplitude of each movement of the target motor in the first or second direction can be determined by the amplitude of the driving sub-signal. Taking the target motion as a reciprocating swing of the target motor as an example, a single monotonic change in a driving sub-signal can drive the target motor to swing clockwise, and another monotonic change can drive the target motor to swing counterclockwise, thus achieving one reciprocating motion.

[0127] In some embodiments, the target motion can be a cleaning motion capable of producing effective cleaning. A single monotonic change in a drive sub-signal can be used to drive the target motor to produce an effective cleaning motion. Furthermore, the amplitude of each movement of the target motor in the first direction or the second direction can be greater than a preset amplitude threshold, thereby achieving an effective cleaning motion. This ensures the range of motion of the target motor, thus ensuring the cleaning range of the care device and achieving effective cleaning of the oral cavity.

[0128] For example, Figure 11 is a waveform diagram of multiple driving sub-signals in one embodiment. As shown in Figure 11, each driving sub-signal may include a monotonically increasing waveform and a monotonically decreasing waveform. The driving sub-signal may be a smooth wave with a monotonically increasing waveform and a monotonically decreasing waveform; or it may be a wave with small spikes that generally exhibits a monotonically increasing waveform and a monotonically decreasing waveform.

[0129] Optionally, the effective cleaning motion generated by the motor can refer to the motion in which the energy consumed by the motor per unit time is greater than a preset energy value. For example, assuming the preset energy value is 5 joules, the energy consumed by the target motion performed by the motor per unit time can be greater than 5 joules. Among the various motions performed by the motor, at least one motion can be an effective cleaning motion, ensuring the cleaning effect of the oral care device.

[0130] In some embodiments, the target drive signal may further include one or more transition signals, which can be used to transition the audio signal, making the sound produced by the target motor more natural. The transition signal can precede any audio signal (e.g., the first audio signal of the target drive signal) to initiate a transition; it can also follow any audio signal (e.g., the last audio signal of the target drive signal) to end a transition; furthermore, the transition signal can connect adjacent audio signals of different frequencies to achieve a natural transition between them.

[0131] Optionally, the amplitude of the transition signal may gradually decrease from the amplitude of the previous audio signal; or, the amplitude of the transition signal may gradually increase to the amplitude of the next audio signal; or, the amplitude of the transition signal may gradually decrease from the amplitude of the previous audio signal and then gradually increase to the amplitude of the next audio signal.

[0132] Optionally, the frequency of the transition signal may be the same as one of the frequencies of the adjacent audio signals, that is, the frequency of the transition signal may be the same as the frequency of the previous audio signal, or the frequency of the transition signal may be the same as the frequency of the subsequent audio signal.

[0133] Optionally, the transition signal can also be divided into a first part signal and a second part signal, wherein the frequency of the first part signal can be the same as the frequency of the previous audio signal, and the frequency of the second part signal can be the same as the frequency of the subsequent audio signal.

[0134] In this embodiment, the target drive signal may include a transition signal, which can transition the audio signal, making the sound generated by the target motor more natural and improving the sound effect of the sound generated by the oral care device.

[0135] In this embodiment, the target drive signal used to drive the target motor to perform target movement may include multiple audio signals, which may include multiple repeating drive sub-signals. Compared with the method of using chaotic audio signals to drive the motor to generate sound in related technologies, the target drive signal can drive the target motor to perform regular target movement and ensure that the target movement is an effective cleaning movement. This allows the target motor to generate multiple tones of sound while ensuring the cleaning effect of the oral care device.

[0136] It should be noted that the above embodiments only show one or more signal forms of the drive signal, but are not intended to limit the specific signal form of the drive signal. For motors such as servo motors, bidirectional motors, multidirectional motors, or other motors that can perform multiple movements at the same time, the drive signal can drive the motor to perform multiple movements at the same time and generate multiple sounds. Therefore, the signal form of the drive signal may be other more complex signal forms. The embodiments of this application do not limit the specific signal form of the drive signal of the motor.

[0137] As shown in Figure 12, in one embodiment, a motor control device 1200 is provided, which can be applied to the oral care device described above. The motor control device 1200 may include a drive module 1210.

[0138] The drive module 1210 inputs a drive signal to the motor. The drive signal is used to drive the motor to perform a combination of various movements so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

[0139] In one embodiment, the combined motion of multiple movements includes a combination of movements performed separately over multiple time periods; the combined sound includes a combination of sounds generated by the motor performing a single movement over multiple time periods; and / or,

[0140] Combination of multiple movements includes a combination of multiple movements performed within the same time period. Combination of sounds includes a combination of multiple sounds generated by a motor performing multiple movements within the same time period, with each sound corresponding to a different movement.

[0141] In one embodiment, the combined sound includes a combination of sounds generated by multiple movements in turn at different time periods.

[0142] In one embodiment, the combined sound includes a combination of multiple sounds generated by the motor performing multiple movements in the same time period, with each sound corresponding to a different movement and each sound corresponding to a different range of musical scales.

[0143] In one embodiment, multiple sounds generated by the motor within the same time period correspond to the same sound frequency, or at least two of the multiple sounds generated by the motor within the same time period correspond to different sound frequencies.

[0144] In one embodiment, the duration of multiple sounds generated by the motor within the same time period is the same, or at least two of the multiple sounds generated by the motor within the same time period have different durations.

[0145] In one embodiment, in the sound spectrum corresponding to the combined sound, the multiple sounds generated by the motor in the same time period correspond to the same spectral energy, or, among the multiple sounds generated by the motor in the same time period, at least two sounds have different spectral energies.

[0146] In one embodiment, the multiple movements include a loosening movement and a peeling movement, wherein the loosening movement is used to loosen the tartar with the oral care device, and the peeling movement is used to peel the tartar off the tooth surface with the oral care device; the movement frequency corresponding to the loosening movement is higher than the movement frequency of the peeling movement, and / or the movement amplitude corresponding to the loosening movement is smaller than the movement amplitude of the peeling movement.

[0147] In one embodiment, in the sound spectrum corresponding to the combined sound, the spectral energy corresponding to the sound generated by the loosening movement is greater than the spectral energy corresponding to the sound generated by the peeling movement; and / or, the volume of the sound generated by the loosening movement is greater than the volume of the sound generated by the peeling movement.

[0148] In one embodiment, the motor corresponds to three axial directions, which are perpendicular to each other. Multiple motions include translational and rotational motions performed by the motor based on the three axial directions respectively; combined motions include one or more of the following: a combination of translational motions performed by the motor along any two axial directions respectively; a combination of rotational motions performed by the motor around any two axial directions respectively; a combination of translational and rotational motions performed by the motor based on the same axial direction respectively; a combination of translational and rotational motions performed by the motor based on any two axial directions respectively; a combination of translational motions performed by the motor along the same axial direction by two different translational distances; and a combination of rotational motions performed by the motor around the same axial direction by two different rotational angles.

[0149] In one embodiment, the motor includes a rotor, and the various movements include a first movement and a second movement; the first movement includes the rotor reciprocating about a reference position as a zero axis; the second movement includes the rotor rotating to change the reference position.

[0150] In one embodiment, the sound frequencies of the sounds generated by various movements are within the target operating frequency range corresponding to the motor; and / or, the sound frequencies of the sounds generated by various movements are between 20Hz and 20000Hz.

[0151] In one embodiment, in the sound spectrum corresponding to the combined sound, the sound frequency corresponding to the spectral energy exceeding the first energy percentage is within the target operating frequency range of the motor; and / or, in the multiple motion frequencies corresponding to multiple motions, the motion frequency exceeding the first quantity percentage is within the target operating frequency range of the motor; and / or, in the total motion duration of each motion performed by the motor, the motion frequency exceeding the first time percentage is within the target operating frequency range of the motor.

[0152] In one embodiment, in the sound spectrum corresponding to the combined sound, the spectral energy corresponding to each sound frequency within the target operating frequency range corresponding to the motor is greater than the second energy proportion; and / or, in the total duration of each motion of the motor performing each motion, the cumulative duration of each motion frequency within the target operating frequency range corresponding to the motor is greater than the second time proportion.

[0153] In one embodiment, the target operating frequency range is the frequency range that satisfies the motor's cleaning performance, or the target operating frequency range is the frequency range that satisfies the motor's vibration performance.

[0154] In one embodiment, the various movements performed by the motor are regular movements, and the target movement switches between multiple movement frequencies so that the motor produces a sound with a tone corresponding to each movement frequency. The target movement is any one of the multiple movements.

[0155] In this embodiment, the oral care device can control the motor to perform a combination of multiple movements. Compared to a single movement, the combination of multiple movements of the motor can provide oral care from multiple different angles or expand the care range of the care device, thereby improving the oral care effect of the oral care device. Furthermore, while the motor is performing a combination of multiple movements, it can generate a combination of sounds corresponding to that combination of movements. By controlling the combination of movements of the motor, the motor can produce rich and diverse combination sounds, thus improving the sound effect of the oral care device.

[0156] Figure 13 is a structural block diagram of an oral care device in one embodiment. As shown in Figure 13, the oral care device 1300 may include one or more of the following components: a processor 1310 and a memory 1320 coupled to the processor 1310, wherein the memory 1320 may store one or more computer programs, which may be configured to implement the methods described in the above embodiments when executed by one or more processors 1310.

[0157] Processor 1310 may include one or more processing cores. Processor 1310 connects to various parts within the oral care device 1300 using various interfaces and lines, and performs various functions and processes data of the oral care device 1300 by running or executing instructions, programs, code sets, or instruction sets stored in memory 1320, and by calling data stored in memory 1320. Optionally, processor 1310 may be implemented using at least one hardware form of Digital Signal Processing (DSP), Field-Programmable Gate Array (FPGA), or Programmable Logic Array (PLA). Processor 1310 may integrate one or a combination of several of the following: Central Processing Unit (CPU), Graphics Processing Unit (GPU), and modem. The CPU primarily handles the operating system, user interface, and applications; the GPU is responsible for rendering and drawing the displayed content; and the modem handles wireless communication. It is understood that the modem may also not be integrated into processor 1310 and may be implemented separately through a communication chip.

[0158] The memory 1320 may include random access memory (RAM) or read-only memory (ROM). The memory 1320 can be used to store instructions, programs, code, code sets, or instruction sets. The memory 1320 may include a program storage area and a data storage area. The program storage area may store instructions for implementing an operating system, instructions for implementing at least one function (such as touch functionality, sound playback functionality, image playback functionality, etc.), and instructions for implementing the various method embodiments described above. The data storage area may also store data created during the use of the oral care device 1300.

[0159] Understandably, the oral care device 1300 may include more or fewer structural elements than those shown in the above block diagram, such as a display device, power module, physical buttons, WiFi (Wireless Fidelity) module, Bluetooth module, sensors, etc., and may not be limited herein.

[0160] This application discloses a computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the methods described in the above embodiments.

[0161] This application discloses a computer program product, including a computer program, which, when executed by a processor, implements the methods described in the above embodiments.

[0162] The foregoing has provided a detailed description of a motor control method, apparatus, oral care device, and storage medium disclosed in the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and its core ideas. Furthermore, those skilled in the art will recognize that, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A motor control method, wherein, Applied to an oral care device, the oral care device including a motor, the method includes: A drive signal is input to the motor, which drives the motor to perform a combination of various movements, so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

2. The method according to claim 1, wherein, The combined motion of multiple movements includes a combination of movements performed in multiple time periods, and the combined sound includes a combination of sounds generated by the motor performing a movement in multiple time periods. And / or, The combined motion of multiple movements includes a combination of multiple movements performed within the same time period, and the combined sound includes a combination of multiple sounds generated by the motor performing multiple movements within the same time period, with each of the multiple sounds corresponding to one of the multiple movements.

3. The method according to claim 2, wherein, The combined sound includes a combination of sounds generated by the various movements in turn at different time periods.

4. The method according to claim 2, wherein, The combined sound includes a combination of multiple sounds generated by the motor performing various movements within the same time period. Each of the multiple sounds corresponds to one of the various movements, and each of the multiple sounds corresponds to a different range of musical scales.

5. The method according to claim 2, wherein, The multiple sounds generated by the motor within the same time period correspond to the same sound frequency, or, among the multiple sounds generated by the motor within the same time period, at least two sounds correspond to different sound frequencies.

6. The method according to claim 2, wherein, The motor produces multiple sounds with the same duration within the same time period, or at least two of the multiple sounds produced by the motor within the same time period have different durations.

7. The method according to claim 2, wherein, In the sound spectrum corresponding to the combined sound, the multiple sounds generated by the motor in the same time period have the same spectral energy, or at least two of the multiple sounds generated by the motor in the same time period have different spectral energy.

8. The method according to any one of claims 1 to 7, wherein, The various movements include loosening movements and peeling movements, wherein the loosening movements are used to loosen the tartar by the oral care device, and the peeling movements are used to peel the tartar off the tooth surface by the oral care device; The frequency of the loosening movement is higher than the frequency of the peeling movement, and / or the amplitude of the loosening movement is less than the amplitude of the peeling movement.

9. The method according to claim 8, wherein, In the sound spectrum corresponding to the combined sound, the spectral energy corresponding to the sound generated by the loosening movement is greater than the spectral energy corresponding to the sound generated by the peeling movement; and / or, The volume of the sound generated by the loosening movement is greater than the volume of the sound generated by the peeling movement.

10. The method according to any one of claims 1 to 7, wherein, The motor corresponds to three axial directions, which are perpendicular to each other. The various movements include translational and rotational movements performed by the motor based on the three axial directions, respectively. The combined motion includes one or more of the following: a combination of translational motions performed by the motor along any two axes; a combination of rotational motions performed by the motor around any two axes; a combination of translational and rotational motions performed by the motor based on the same axis; a combination of translational and rotational motions performed by the motor based on any two axes; a combination of translational motions performed by the motor along the same axis at two different translational distances; and a combination of rotational motions performed by the motor around the same axis at two different rotational angles.

11. The method according to any one of claims 1 to 7, wherein, The motor includes a rotor, and the multiple movements include a first movement and a second movement; The first motion includes the rotor reciprocating around the reference position as a zero axis; the second motion includes the rotor rotating to change the reference position.

12. The method according to claim 1, wherein, The sound frequencies generated by the various movements are within the target operating frequency range corresponding to the motor; and / or, The sound frequencies of the sounds produced by the various movements described range from 20Hz to 20000Hz.

13. The method according to claim 1, wherein, In the sound spectrum corresponding to the combined sound, the sound frequencies corresponding to the spectral energy exceeding the first energy percentage are within the target operating frequency range of the motor; and / or, Among the multiple motion frequencies corresponding to the various motions, the motion frequencies exceeding a first percentage are within the target operating frequency range corresponding to the motor; and / or, In the total duration of each motion performed by the motor, the motion frequency that exceeds the percentage of the first time is within the target operating frequency range corresponding to the motor.

14. The method according to claim 1, wherein, In the sound spectrum corresponding to the combined sound, the spectral energy of each sound frequency within the target operating frequency range of the motor is greater than the second energy ratio. And / or, In the total duration of each motion performed by the motor, the cumulative duration of each motion frequency within the target operating frequency range corresponding to the motor is greater than the second time proportion.

15. The method according to any one of claims 13-14, wherein, The target operating frequency range is the frequency range that satisfies the motor's cleaning performance, or the target operating frequency range is the frequency range that satisfies the motor's vibration performance.

16. The method according to claim 1, wherein, The various movements performed by the motor are regular movements, and the target movement switches between multiple movement frequencies so that the motor produces a sound with a tone corresponding to each of the movement frequencies. The target movement is any one of the various movements.

17. A motor control device, wherein, Applied to oral care equipment, the oral care equipment including a motor, the device comprising: The drive module inputs a drive signal to the motor, which drives the motor to perform a combination of various movements, so that the oral care device can perform oral care operations and generate a combination of sounds corresponding to the combination of movements.

18. An oral care device, wherein, The system includes a memory and a processor, wherein the memory stores a computer program that, when executed by the processor, causes the processor to perform the method as described in any one of claims 1 to 16.

19. A computer-readable storage medium having a computer program stored thereon, wherein, When the computer program is executed by a processor, it implements the method as described in any one of claims 1 to 16.

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