CN117796943A

CN117796943A - Control method and device for electric toothbrush, electric toothbrush and storage medium

Info

Publication number: CN117796943A
Application number: CN202311872118.9A
Authority: CN
Inventors: 杨积力; 田昊喆; 邹瑜
Original assignee: Guangzhou Stars Pulse Co Ltd
Current assignee: Guangzhou Stars Pulse Co Ltd
Priority date: 2023-12-29
Filing date: 2023-12-29
Publication date: 2024-04-02

Abstract

The application provides a control method and device of an electric toothbrush, the electric toothbrush and a storage medium, and relates to the technical field of oral cavity cleaning. The method comprises the following steps: detecting an oral cleaning instruction; determining a corresponding first drive signal and second drive signal in response to an oral cleaning instruction; controlling the cleaning member of the electric toothbrush to generate a first motion based on the first drive signal, and controlling the cleaning member to generate a second motion based on the second drive signal; wherein the direction of motion of the first motion and the second motion are different; and simultaneously outputting the first driving signal and the second driving signal to enable the cleaning piece to perform the combined motion of the first motion and the second motion. The utility model provides a can make the cleaning member carry out the synthetic motion of two different directions and clean the oral cavity, improve the cleaning member to the clean ability of tooth.

Description

Control method and device for electric toothbrush, electric toothbrush and storage medium

Technical Field

The present application relates to the field of oral cleaning technology, and more particularly, to a control method, apparatus, electric toothbrush, and storage medium for an electric toothbrush in the field of oral cleaning technology.

Background

The electric toothbrush can drive the brush head to scrape the tooth surface through the motor so as to clean the tooth. In the related art, a motor drives a brush head to generate high-frequency vibration or rotate in two movement modes, however, the two movement modes of the electric toothbrush have limited tooth cleaning capability, and a user is required to match with a brushing method of horizontally pulling or vertically brushing on teeth to meet the cleaning effect.

Therefore, how to improve the cleaning ability of the electric toothbrush to teeth is a problem that is currently in need of solving.

Disclosure of Invention

The application provides a control method and device of an electric toothbrush, the electric toothbrush and a storage medium, and the method can enable a cleaning piece to conduct combined movement in two different directions to clean oral cavities, and improve the cleaning capability of the electric toothbrush to teeth.

In a first aspect, there is provided a control method of an electric toothbrush, the method comprising:

detecting an oral cleaning instruction; determining a corresponding first drive signal and second drive signal in response to the oral cleaning instruction; controlling the cleaning element of the electric toothbrush to generate a first motion based on the first driving signal, and controlling the cleaning element to generate a second motion based on the second driving signal; wherein the first motion and the second motion have different motion directions; and outputting the first driving signal and the second driving signal simultaneously so as to enable the cleaning piece to perform the combined motion of the first motion and the second motion.

With reference to the first aspect, in certain implementation manners of the first aspect, the first motion includes a reciprocating swing that takes a length extension direction of the cleaning member as an axis; the second movement includes a reciprocating movement along a length of the cleaning member.

Optionally, the first movement further includes a reciprocating movement about an axis extending in a length direction of the cleaning member.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a vibration frequency of the first motion is equal to a vibration frequency of the second motion; and/or the driving frequency of the first driving signal is equal to the driving frequency of the second driving signal.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, a swing amplitude of the first motion is smaller than or equal to a movement amplitude of the second motion; and/or, the duty ratio of the first driving signal is smaller than or equal to the duty ratio of the second driving signal.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the outputting, by the processor, the first driving signal and the second driving signal simultaneously includes:

Outputting the first driving signal and the second driving signal at the same time after the first driving signal is output for a first duration; wherein, the first time length is the sum of N cycle time lengths and one-fourth cycle time length; or, the first duration is the sum of N cycle durations and three-quarter cycle durations; and N is an integer greater than or equal to zero, and the period duration is the duration of single complete output of the first driving signal or the second driving signal.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the method further includes:

suspending the output of the first driving signal and the second driving signal, and outputting a single driving signal; wherein the single driving signal is the first driving signal or the second driving signal; and suspending the output of the single driving signal, and simultaneously outputting the first driving signal and the second driving signal again.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, a vibration frequency of the first motion is greater than a vibration frequency of the second motion; and/or, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a vibration frequency of the first motion is greater than a vibration frequency of the second motion, including:

the vibration frequency of the first motion is greater than or equal to twice the vibration frequency of the second motion.

Optionally, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal, including:

the driving frequency of the first driving signal is greater than or equal to twice the driving frequency of the second driving signal.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the electric toothbrush includes a position detection unit, where the position detection unit is configured to detect a cleaning position of the cleaning element in the oral cavity; the outputting the first driving signal and the second driving signal simultaneously includes:

and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit.

With reference to the first aspect and the implementation manner of the first aspect, in some implementation manners of the first aspect, the adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit includes at least one of:

If the cleaning position is detected to be a tooth side surface, adjusting the swing amplitude of the first motion to be larger than the movement amplitude of the second motion; if the cleaning position is detected to be the flank, the duty ratio of the first driving signal is adjusted to be larger than that of the second driving signal; if the cleaning position is detected to be the flank surface, adjusting the vibration frequency of the first motion to be larger than that of the second motion; and if the cleaning position is detected to be the flank surface, adjusting the driving frequency of the first driving signal to be larger than the driving frequency of the second driving signal.

if the cleaning position is detected to be an occlusal surface, adjusting the swing amplitude of the first motion to be smaller than the movement amplitude of the second motion; if the cleaning position is detected to be the occlusal surface, the duty ratio of the first driving signal is adjusted to be smaller than that of the second driving signal; if the cleaning position is detected to be the occlusal surface, adjusting the vibration frequency of the first motion to be smaller than that of the second motion; and if the cleaning position is detected to be the occlusal surface, adjusting the driving frequency of the first driving signal to be smaller than the driving frequency of the second driving signal.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the cleaning position includes a dental side surface and an occlusal surface, and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit includes at least one of:

the duty ratio of the first driving signal corresponding to the flank of the tooth is larger than the duty ratio of the first driving signal corresponding to the occlusal surface; the driving frequency of the second driving signal corresponding to the flank surface is smaller than the driving frequency of the second driving signal corresponding to the occlusal surface.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the electric toothbrush further includes a bidirectional motor; the controlling the cleaning element of the electric toothbrush to generate a first motion based on the first driving signal, and the controlling the cleaning element to generate a second motion based on the second driving signal, includes:

based on the first driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate the first motion, and based on the second driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate the second motion.

In a second aspect, a bi-directional motor is provided for use with the electric toothbrush described above, the electric toothbrush comprising a cleaning element; the bi-directional motor comprises a first driving mechanism and a second driving mechanism, both of which are connected with the cleaning piece,

the first driving mechanism is used for driving the cleaning piece to generate first motion based on a first driving signal; the second driving mechanism is used for driving the cleaning piece to generate second motion based on a second driving signal; wherein the bi-directional motor described above operates based on the method described above or in any one of the possible implementations of the first aspect.

With reference to the second aspect and the foregoing implementation manner, in some implementation manners of the second aspect, the first driving mechanism is configured to drive the cleaning element to swing reciprocally about an axis in a length extending direction of the cleaning element based on the first driving signal; the second driving mechanism is used for driving the cleaning piece to reciprocate along the length extension direction of the cleaning piece based on the second driving signal.

In a third aspect, there is provided a control device for an electric toothbrush, the device comprising:

The detection module is used for detecting an oral cleaning instruction;

the control module is used for responding to the oral cavity cleaning instruction and determining a corresponding first driving signal and a corresponding second driving signal; controlling the cleaning element of the electric toothbrush to generate a first motion based on the first driving signal, and controlling the cleaning element to generate a second motion based on the second driving signal; wherein the first motion and the second motion have different motion directions;

and the output module is used for outputting the first driving signal and the second driving signal simultaneously so as to enable the cleaning piece to perform the combined motion of the first motion and the second motion.

In a fourth aspect, an electric toothbrush is provided that includes a memory and a processor. The memory is for storing executable program code and the processor is for calling and running the executable program code from the memory such that the electric toothbrush performs the method of the first aspect or any of the possible implementations of the first aspect.

In a fifth aspect, there is provided a computer program product comprising: computer program code which, when run on a computer, causes the computer to perform the method of the first aspect or any one of the possible implementations of the first aspect.

In a sixth aspect, a computer readable storage medium is provided, the computer readable storage medium storing computer program code which, when run on a computer, causes the computer to perform the method of the first aspect or any one of the possible implementations of the first aspect.

The technical scheme provided by some embodiments of the present application has the beneficial effects that at least includes:

in one or more embodiments of the present application, an oral cleaning instruction is detected; determining a corresponding first drive signal and second drive signal in response to an oral cleaning instruction; controlling the cleaning member of the electric toothbrush to generate a first motion based on the first drive signal, and controlling the cleaning member to generate a second motion based on the second drive signal; wherein the direction of motion of the first motion and the second motion are different; and simultaneously outputting the first driving signal and the second driving signal to enable the cleaning piece to perform the combined motion of the first motion and the second motion. The cleaning piece simultaneously outputs two driving signals to enable the cleaning piece to simultaneously output two motions in different directions (namely a first motion and a second motion), so that the cleaning piece can perform two synthetic motions in different directions, and therefore when the cleaning piece performs oral cleaning, the force for stripping soft dirt or dental plaque on the surface of teeth can be applied in multiple directions, the soft dirt or dental plaque on the surface of teeth can be cleaned more easily, the cleaning capability of the electric toothbrush on teeth is improved, and the problem that the oral cleaning effect is poor when the cleaning piece performs single motion on the oral cavity can be avoided; thus, the cleaning ability of the electric toothbrush to clean teeth can be improved when the cleaning member performs the combined movement in two different directions to clean the oral cavity.

Drawings

FIG. 1 is a schematic view of an electric toothbrush according to an embodiment of the present application;

FIG. 2 is a schematic illustration of the motion profile of a powered toothbrush of the acoustic type and rotatability on teeth provided in an embodiment of the present application;

FIG. 3 is a schematic view of another electric toothbrush according to an embodiment of the present application;

FIG. 4 is a schematic view of the first and second motions provided in an embodiment of the present application, each corresponding to a direction of motion;

FIG. 5 is a flow chart of a method for controlling an electric toothbrush according to an embodiment of the present application;

FIG. 6 is a schematic illustration of an electric toothbrush control process provided in an embodiment of the present application;

FIG. 7 is a schematic view of a projection curve of an electric toothbrush according to an embodiment of the present application when moving on teeth;

FIG. 8 is a schematic illustration of yet another electric toothbrush control process provided in an embodiment of the present application;

FIG. 9 is a schematic illustration of yet another electric toothbrush control process provided in an embodiment of the present application;

FIG. 10 is a flow chart of another method of controlling an electric toothbrush according to an embodiment of the present application;

FIG. 11 is a schematic structural view of a control device for an electric toothbrush according to an embodiment of the present application;

fig. 12 is a schematic view of the structure of an electric toothbrush provided in an embodiment of the present application.

Detailed Description

The technical solutions in the present application will be clearly and thoroughly described below with reference to the accompanying drawings. Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B: the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and in addition, in the description of the embodiments of the present application, "plural" means two or more than two.

The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Fig. 1 is a schematic view of an electric toothbrush according to an embodiment of the present application.

Illustratively, as shown in FIG. 1, an electric toothbrush 100 is included in FIG. 1, and at least a control unit 110 and a cleaning member 120 are included in the electric toothbrush 100. The electric toothbrush 100 may be a device capable of cleaning an oral cavity, or may be a scaler.

The control unit 110 may be used to receive user-triggered oral cleaning instructions and control the oscillation and/or movement of the cleaning member 120 via the oral cleaning instructions. Wherein the control unit 110 includes, but is not limited to, a circuit board in an electric toothbrush.

The cleaning member 120 may be swung and/or moved according to the control of the control unit 120 to decompose the toothpaste placed on the cleaning member 120 so that the toothpaste is decomposed into fine foam to clean the teeth. Alternatively, the cleaning elements 120 may include, but are not limited to, brush heads and bristles of electric toothbrushes.

Referring to fig. 1, a control unit 110 may be disposed in a receiving cavity of a handle housing of the electric toothbrush 100, where the control unit 110 may be a micro control unit (Microcontroller Unit, MCU), also referred to as a single-chip microcomputer or a single-chip microcomputer, and is configured to appropriately reduce the frequency and specification of a central processing unit (Central Process Unit, CPU), and integrate peripheral interfaces such as a memory, a counter, a USB, an a/D conversion, a UART, a PLC, and a DMA, and even an LCD driving circuit on a single chip to form a chip-level computer for performing different combination control for different application occasions.

In the related art, electric toothbrushes are mainly classified into a rotary type and a sonic type, and the rotary type toothbrushes scrape on teeth mainly by rotating a brush head to achieve cleaning of the teeth; while the acoustic wave type toothbrush cleans teeth mainly by high frequency vibration of the brush head. Referring to fig. 2, the projection of the corresponding motion trace on the teeth of the acoustic wave type electric toothbrush when cleaning the teeth is straight, as shown in fig. 2 (a); the projection of the corresponding motion trace of the rotary electric toothbrush on the teeth is circular when the teeth are cleaned, and the projection is shown in (b) of fig. 2.

For example, the electric toothbrush with the acoustic wave type is used for cleaning teeth transversely, that is, the movement mode of the electric toothbrush is single, so that the electric toothbrush has limited cleaning capability on teeth, especially on gum lines, dead angles, pits and the like, and the cleaning effect on teeth of a user cannot be met. And, the rotary electric toothbrush is due to the rotary motion generated by mechanical transmission, the motion frequency is lower, the cleaning force of soft dirt or dental plaque on teeth is smaller, and the cleaning effect of the rotary electric toothbrush on the soft dirt or dental plaque on teeth is poorer.

In order to solve the problem that the electric toothbrush has poor cleaning effect on teeth, the application provides a control method and device of the electric toothbrush, the electric toothbrush and a storage medium.

The control method of the electric toothbrush according to the embodiment of the present application will be described in detail with reference to fig. 3 to 10.

Fig. 3 is a schematic view of another electric toothbrush according to an embodiment of the present application.

Illustratively, as shown in fig. 3, the electric toothbrush of fig. 3 includes a bi-directional motor 130 in addition to the control unit 110 and the cleaning member 120, such that the control unit 110 can control the cleaning member 120 to move by the bi-directional motor 130.

For example, the bi-directional motor 130 may include a plurality of drive mechanisms therein; for example, the first driving mechanism 131 and the second driving mechanism 132, and the output shaft of the first driving mechanism 131 and the output shaft of the second driving mechanism 132 are connected to each other, i.e., the output shafts of the first driving mechanism 131 and the second driving mechanism 132 are different and connected to each other, and the output shafts of the first driving mechanism 131 and the second driving mechanism 132 are connected to the cleaning member 120; alternatively, the output shafts of the first and second driving mechanisms 131 and 132 are the same output shaft, and the output shaft is connected to the cleaning member 120.

Alternatively, the first driving mechanism 131 may be used to drive the cleaning member 120 to generate the first motion based on the first driving signal; and a second driving mechanism 132, which can be used to drive the cleaning member 120 to generate a second motion based on the second driving signal; wherein the direction of movement of the first movement and the second movement are different. And, the first driving signal and the second driving signal are correspondingly output by the control unit 110.

Alternatively, the first movement may represent a reciprocating swing of the cleaning member 120 about the extending direction of the length of the cleaning member 120 (a reciprocating swing as shown in fig. 4 (a)); the second movement may represent a reciprocating movement (such as the reciprocating movement shown in fig. 4 (a)) in the extending direction along the length of the cleaning member 120.

Alternatively, the first movement may also represent a reciprocating movement (a linear movement as shown in (b) of fig. 4) of the cleaning member 120 about the extending direction of the length of the cleaning member 120.

Optionally, the electric toothbrush may also be provided with, but is not limited to, one or more indicator lights, keys, a display screen, a speaker, a motor, etc.

It should be noted that the number of driving mechanisms in the bidirectional motor is not limited in the embodiment of the present application, and the number of driving mechanisms may be determined according to the requirement on the movement direction of the cleaning member, for example, the number of driving mechanisms in the bidirectional motor may include but is not limited to 1, 3 or 4.

In a possible implementation manner, the first driving mechanism 131 may be used to drive the cleaning member 120 to swing reciprocally based on the first driving signal, and the length extension direction of the cleaning member 120 is taken as an axis; or the first driving mechanism 131 may be used to drive the cleaning member 120 to reciprocate based on the first driving signal about the longitudinal extension direction of the cleaning member 120. And a second driving mechanism 132 for driving the cleaning member 120 to reciprocate in the length extension direction of the cleaning member 120 based on the second driving signal.

For example, the control unit 110 may control and output a driving signal (may be referred to as a "first driving signal") corresponding to the first driving mechanism 131, and control the bi-directional motor to drive the cleaning member 120 to generate a first motion, that is, drive the cleaning member 120 to reciprocate with the length extension direction of the cleaning member 120 as an axis, so that a longitudinal scraping force is formed during the cleaning process of the cleaning member on teeth, and soft scales or dental plaque on the tooth surface are peeled.

And, the control unit 110 may also control and output a driving signal (may be referred to as a "second driving signal") corresponding to the second driving mechanism 132, and control the bi-directional motor to drive the cleaning member 120 to generate a second motion, that is, drive the cleaning member 120 to reciprocate along the length extension direction of the cleaning member 120, so that a transverse scraping force is formed during the cleaning process of the cleaning member on teeth, so as to strip soft dirt or dental plaque on the tooth surface.

Alternatively, the control unit 110 may control and output a driving signal (may be referred to as a "first driving signal") corresponding to the first driving mechanism 131, and control the bi-directional motor to drive the cleaning member 120 to reciprocate with the length extending direction of the cleaning member 120 as an axis.

Alternatively, the first driving mechanism 131 and the second driving mechanism 132 may operate simultaneously or may operate separately.

For example, the control unit 110 may simultaneously output the first driving signal to the first driving mechanism 131 and the second driving signal to the second driving mechanism 132, so that the first driving mechanism 131 and the second driving mechanism 132 are simultaneously operated, thereby driving the cleaning member 120 to generate a combined motion of the first motion and the second motion, and the corresponding projection of the combined motion on the teeth takes a circular shape, i.e., the combined motion may be an arc motion. Because the cleaning piece is in circular arc motion generated by signal transmission, the motion frequency of the cleaning piece is far greater than that of the rotating motion generated by mechanical transmission, so that the cleaning force of the cleaning piece is improved, and soft dirt and dental plaque on teeth are easier to clean when the cleaning piece is scratched in multiple directions under high-frequency vibration; and when the cleaning piece cleans teeth through circular arc movement, the tooth surfaces can be scraped smoothly or the positions where the scraped teeth are connected with the gingiva can be smoothly scraped, so that the damage to the gingiva caused by direct scraping is avoided, the gingiva can be massaged, and the gingival atrophy is avoided.

Illustratively, the control unit 110 may also alternately output a single motion with a combined motion; for example, the first driving signal is separately output to the first driving mechanism 131, and after the first driving signal is output, the first driving signal is simultaneously output to the first driving mechanism 131, and the second driving signal is output to the second driving mechanism 132. Alternatively, the second driving signal is separately output to the second driving mechanism 132, and after the second driving signal is output, the first driving signal is simultaneously output to the first driving mechanism 131, and the second driving signal is output to the second driving mechanism 132.

Alternatively, the control unit 110 may alternatively output the first motion and the second motion; for example, the first driving signal is separately output to the first driving mechanism 131, and after the first driving signal is output, the second driving signal is separately output to the second driving mechanism 132, and after the second driving signal is output, the first driving signal is separately output to the first driving mechanism 131.

Alternatively, the control unit 110 may also separately output the first driving signal to the first driving mechanism 131, so that driving the cleaning member 120 may generate only the first motion; further, after the output of the first driving signal is completed, the control unit 110 outputs the second driving signal to the second driving mechanism 132 separately, so that the cleaning member 120 is driven to generate only the second motion.

It should be noted that the single motion may be the first motion or the second motion. And, the timing of the control unit 110 outputting the first driving signal and the second driving signal separately is not fixed, i.e., the control unit 110 may output the first driving signal and then output the second driving signal, or the control unit 110 may output the second driving signal and then output the first driving signal; the embodiments of the present application are not limited in this regard.

Next, a control method of the electric toothbrush will be described with reference to fig. 1 to 4. Fig. 5 is a flowchart of a control method of an electric toothbrush according to an embodiment of the present application. The method may be performed by the toothbrush 100 of fig. 1 or, alternatively, the control unit 110 of fig. 1.

Illustratively, as shown in FIG. 5, the method 500 includes the following implementation:

s510, detecting an oral cleaning instruction.

Alternatively, the oral cleaning instructions may be user-triggered by a control unit of the electric toothbrush, and the manner of triggering includes, but is not limited to, touching, clicking, voice, and the like.

For example, when a user needs to clean the oral cavity, the control unit of the electric toothbrush can be clicked to trigger an oral cavity cleaning instruction; alternatively, the user may send an oral cleaning instruction to the electric toothbrush through a smart terminal connected to the electric toothbrush, so that the control unit may detect an oral cleaning instruction for oral cleaning.

S520, corresponding first driving signals and second driving signals are determined in response to the oral cleaning instruction; the cleaning element of the electric toothbrush is controlled to produce a first motion based on the first drive signal and a second motion based on the second drive signal.

Wherein the direction of movement of the first movement and the second movement are different. That is, the first movement may represent a reciprocating swing of the cleaning member about the extending direction of the length of the cleaning member; the second motion may represent a reciprocating motion along the length of the cleaning member.

Alternatively, the first movement may represent a reciprocating movement of the cleaning member about the extending direction of the length of the cleaning member.

Alternatively, the oral cleaning instructions may carry oral cleaning parameters required by the electric toothbrush during oral cleaning operations, including, but not limited to, oral cleaning modes, oral cleaning forces, and the like.

For example, the correspondence between the oral cavity cleaning parameters and the first driving signals and the second driving signals may be pre-stored in the electric toothbrush, so that after the electric toothbrush receives the oral cavity cleaning instruction, the electric toothbrush may respond to the oral cavity cleaning instruction, and query the corresponding first driving signals and second driving signals from the correspondence according to the oral cavity cleaning parameters carried by the oral cavity cleaning instruction, so as to control the cleaning element of the electric toothbrush to generate reciprocating swing with the self length extension direction as an axis based on the first driving signals; and controlling the cleaning member to reciprocate in the extending direction along the length thereof based on the second driving signal.

Or responding to the oral cavity cleaning instruction, and inquiring the corresponding first driving signal and second driving signal from the corresponding relation according to the oral cavity cleaning parameter carried by the oral cavity cleaning instruction; and controlling the cleaning member of the electric toothbrush to reciprocate with the self-length extending direction as an axis based on the first driving signal, and controlling the cleaning member to reciprocate along the self-length extending direction based on the second driving signal.

In one possible implementation, the electric toothbrush may further include a multi-directional motor, for example, a bi-directional motor, controlling the cleaning element of the electric toothbrush to generate the first motion based on the first driving signal and controlling the cleaning element to generate the second motion based on the second driving signal in S520 may include: based on the first driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate first movement, and based on the second driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate second movement. Specifically, the details are described later with reference to fig. 6.

Fig. 6 is a schematic diagram of an electric toothbrush control process provided in an embodiment of the present application.

Illustratively, as shown in fig. 6 (a), a control unit, a bi-directional motor, and a cleaning member are included in fig. 6 (a). The control unit can be used for outputting a first driving signal to the bidirectional motor according to an oral cavity cleaning instruction triggered by a user, and the bidirectional motor can be used for driving the cleaning piece to generate first motion according to the received first driving signal.

For example, when the control unit detects an oral cavity cleaning command triggered by a user, the control unit may output a first driving signal to the bidirectional motor to control the bidirectional motor to drive the cleaning member to generate a first motion (as shown in (a) of fig. 6), and when the bidirectional motor drives the cleaning member to generate the first motion, the cleaning member may apply a force for longitudinally stripping soft scale or dental plaque on the tooth surface, so as to longitudinally clean the soft scale or dental plaque on the tooth surface.

Illustratively, the control unit of (b) of fig. 6 may be configured to output a second drive signal to the bi-directional motor in response to a user-triggered oral cleaning instruction; the bidirectional motor can be used for driving the cleaning piece to generate second movement in different directions from the first movement according to the received second driving signal.

The control unit may also output a second driving signal to the bi-directional motor to control the bi-directional motor to drive the cleaning element to perform a second motion (as shown in fig. 6 (b)), and the cleaning element may apply a lateral stripping force to the soft plaque or the plaque on the tooth surface when the bi-directional motor drives the cleaning element to perform the second motion, thereby laterally cleaning the soft plaque or the plaque on the tooth surface.

It should be noted that, in the embodiment of the present application, the multidirectional motor is not limited to be a bidirectional motor, but may be a three-way motor, etc., and the type of the multidirectional motor needs to be determined according to the requirement of the movement direction of the cleaning member, which is not limited in the embodiment of the present application.

And S530, outputting the first driving signal and the second driving signal simultaneously so as to enable the cleaning member to perform the combined motion of the first motion and the second motion.

For example, after determining the corresponding first driving signal and second driving signal in response to the detected oral cleaning command, the control unit may control the first driving signal and the second driving signal to be simultaneously output, so that the cleaning member may perform cleaning on the oral cavity according to a combined motion of the first motion driven by the first driving signal and the second motion driven by the second driving signal (as shown in fig. 4 (a) or fig. 4 (b)).

Further, since the output time of the first driving signal and the output time of the second driving signal, and the vibration frequency of the first movement and the vibration frequency of the second movement of the cleaning member may have an influence on the corresponding projection of the cleaning member on the tooth when the cleaning member performs the circular arc movement on the tooth, the curved shape of the corresponding projection of the cleaning member on the tooth when the cleaning member performs the circular arc movement on the tooth may include, but is not limited to, the shape shown in fig. 7, for example, a circle shown in fig. 7 (a), an oval shape shown in fig. 7 (b), a curve of a spring shape shown in fig. 7 (c), a curve of a sine shape shown in fig. 7 (d), a curve of a lying "8" shape shown in fig. 7 (e), and an oval shape shown in fig. 7 (f).

It should be noted that the projection curves of the electric toothbrush shown in fig. 7 when moving on the teeth are all projections of a single movement of the cleaning member.

Optionally, the movement of the electric toothbrush while the user is cleaning the oral cavity using the electric toothbrush also affects the projected profile of the electric toothbrush as it moves over the teeth. For example, a user may move the electric toothbrush laterally while brushing his teeth, which may change the projection of the trajectory of the resultant motion of the cleaning element on the teeth, and include, but are not limited to, a curve from a circular shape as shown in fig. 7 (a) to a spring shape as shown in fig. 7 (c); alternatively, the elliptic shape shown in (b) of fig. 7 is changed into a curve of a spring shape shown in (c) of fig. 7; alternatively, the elliptic shape shown in (f) of fig. 7 is changed into a curve of a spring shape shown in (c) of fig. 7.

Optionally, as shown in fig. 6 (c), when the control unit detects an oral cavity cleaning instruction triggered by a user, the control unit may output a first driving signal and a second driving signal to the bidirectional motor at the same time, so as to control the bidirectional motor to drive the cleaning member to generate a first motion and a second motion with different motion directions, so that the cleaning member performs a high-frequency vibration combined motion, and the cleaning force of the cleaning member is improved, so that soft dirt and dental plaque on the teeth are easier to clean when the teeth are scratched in multiple directions under the high-frequency vibration; and because the cleaning piece cleans the teeth through circular arc movement, the tooth surface can be scraped smoothly or the joint position of the teeth and the gingiva can be scraped smoothly, thereby avoiding the damage to the gingiva caused by direct scraping, massaging the gingiva and avoiding gingival atrophy.

In the method 500 shown in fig. 5, since the cleaning member simultaneously outputs two different directions of motions (i.e., a first motion and a second motion) by simultaneously outputting two driving signals, a combined motion of the cleaning member in two different directions is achieved; and the combined motion is an arc motion generated by signal transmission, so that the problem that the oral cavity cleaning effect is poor caused when the cleaning piece performs single motion to clean the oral cavity can be avoided, the limit of mechanical transmission on the motion frequency of the cleaning piece is avoided, the problem that the cleaning force caused by the motion of the cleaning piece under the mechanical transmission is small is avoided, and therefore the cleaning piece can apply multidirectional stripping force to soft dirt or dental plaque on the tooth surface under high-frequency vibration, the soft dirt or dental plaque on the tooth surface is easier to clean, and the cleaning capability of the electric toothbrush on the tooth is improved.

And because the motion of the cleaning piece is the arc motion formed by combining the first motion and the second motion, the damage to the gum caused by direct scraping of the single motion can be avoided. Therefore, when the cleaning piece cleans teeth through circular arc movement, the tooth surface can be scraped smoothly or the joint position of the tooth and the gum can be scraped smoothly, so that the damage to the gum caused by direct scraping is avoided, the gum can be massaged, and the gum atrophy is avoided.

In one possible implementation, as shown in fig. 4, the first motion includes a reciprocating swing (circular arc swing) with the length extension direction of the cleaning member as an axis, so that a longitudinal scraping force is formed during the cleaning process of the cleaning member on the teeth, and soft scale or dental plaque on the tooth surface is peeled off; and the second motion comprises reciprocating motion (linear vibration) along the length extension direction of the cleaning piece, so that transverse scraping force can be formed in the cleaning process of the cleaning piece on teeth, and soft scales or dental plaque on the surfaces of the teeth are peeled off.

Further, the combined motion of the first motion and the second motion is a combined motion (i.e., a circular motion) including circular arc oscillation and linear vibration, as shown in (a) of fig. 4; when the common toothbrush (non-electric toothbrush) is manually used by a user through circular arc movement, the tooth brushing mode of moving while rotating the ring, namely the combined movement performed by the cleaning piece, is realized in the same tooth brushing mode as the circular arc tooth brushing method, so that the cleaning piece can clean the teeth through circular arc swinging and linear vibration when cleaning the teeth through the combined movement, namely the teeth are cleaned transversely and vertically at the same time, and soft dirt or dental plaque on the surface of the teeth is peeled off more easily under multidirectional scraping.

And the mechanical movement of the cleaning piece can be controlled to help the user to clean the oral cavity better, so that the problem that the oral cavity cleaning effect is affected due to individual operation difference of the user can be avoided, and any user can clean teeth more effectively by using the electric toothbrush to realize the arc tooth brushing method.

For example, the cleaning effect of the teeth may also be affected by the frequency of vibration of the cleaning member in different directions. Accordingly, the vibration frequency of the first movement and the vibration frequency of the second movement can be set.

Alternatively, the vibration frequency of the first movement and the vibration frequency of the second movement may be set to the same vibration frequency. When the vibration frequency of the first motion is equal to that of the second motion, the projection of the track of the combined motion of the cleaning member on the teeth can be more regular and more approximate to a circle, such as the circle shown in (a) of fig. 7, so that the cleaning capability of the cleaning member on soft scales or dental plaque on the tooth surface can be improved, and the teeth can be cleaned more deeply.

Alternatively, the vibration frequency of the first movement and the vibration frequency of the second movement may be set to different vibration frequencies; for example, the vibration frequency of the first motion is greater than the vibration frequency of the second motion; when the vibration frequency of the first motion is greater than that of the second motion, the projection of the track of the combined motion of the cleaning member on the teeth can be made to present a curve of a spring shape as shown in (c) in fig. 7, or a curve of a sine shape as shown in (d) in fig. 7, namely, the motion state of the cleaning member is a tooth brushing method of moving while shaking, which corresponds to moving while shaking up and down when the user brushes teeth manually, and since the vibration frequency of the first motion is greater than that of the second motion, the force of longitudinal stripping applied by the cleaning member to soft scale or dental plaque on the tooth surface is greater than that of transverse stripping, so that the soft scale and dental plaque on the tooth surface can be cleaned more easily.

And, since the driving frequency of the driving signal outputted by the control unit affects the vibration frequency of the cleaning member, the vibration frequency of the first movement and the vibration frequency of the second movement can be further set by setting the driving frequency of the first driving signal and the driving frequency of the second driving signal. For example, when the driving frequency of the first driving signal is set to be larger than the driving frequency of the second driving signal, the vibration frequency of the first movement may be made larger than the vibration frequency of the second movement. Alternatively, when the driving frequency of the first driving signal is set to be less than or equal to the driving frequency of the second driving signal, the vibration frequency of the first movement may be made to be less than or equal to the vibration frequency of the second movement.

Further, the vibration frequency of the first motion is greater than the vibration frequency of the second motion, may include: the vibration frequency of the first motion is greater than or equal to twice the vibration frequency of the second motion.

For example, the vibration frequency of the first motion may be set to be greater than or equal to twice the vibration frequency of the second motion. When the vibration frequency of the first motion is greater than or equal to twice the vibration frequency of the second motion, the longitudinal stripping force applied by the cleaning piece to the soft dirt and dental plaque on the tooth surface can be far greater than the transverse stripping force, so that the soft dirt and dental plaque on the tooth surface can be cleaned more deeply.

Optionally, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal, which may include: the driving frequency of the first driving signal is greater than or equal to twice the driving frequency of the second driving signal.

For example, since the driving frequency of the driving signal outputted from the control unit affects the vibration frequency of the movement of the cleaning member, when the driving frequency of the first driving signal is set to be greater than or equal to twice the driving frequency of the second driving signal, the vibration frequency of the first movement can be made to be greater than or equal to twice the vibration frequency of the second movement, so that the force of the cleaning member for longitudinally stripping soft dirt and dental plaque on the tooth surface is much greater than the force of transversely stripping, and the soft dirt and dental plaque on the tooth surface can be cleaned more deeply.

For example, in addition to the effects of the cleaning elements in different directions, the amplitude of the oscillation of the cleaning elements in different directions may also have an effect on the cleaning of the teeth. Thus, the swing amplitude of the first motion and the movement amplitude of the second motion can be set.

Optionally, the amplitude of the oscillation of the first movement is less than or equal to the amplitude of the movement of the second movement. And/or the duty cycle of the first drive signal is less than or equal to the duty cycle of the second drive signal.

For example, when the vibration frequency of the first motion is equal to the vibration frequency of the second motion, the swing amplitude of the first motion and the movement amplitude of the second motion may be set to be the same motion amplitude (i.e., the vibration frequency of the first motion is equal to the vibration frequency of the second motion and the movement amplitude is also the same), so that when the vibration frequency of the first motion is equal to the vibration frequency of the second motion and the swing amplitude of the first motion is equal to the movement amplitude of the second motion, the projection of the track of the combined motion of the cleaning member on the teeth may be made to take on a circular shape as shown in (a) in fig. 7, thereby improving the cleaning effect of the cleaning member on soft scales and dental plaque on the tooth surface and cleaning the teeth in a deeper layer.

In addition, when the vibration frequency of the first motion is equal to that of the second motion and the swing amplitude of the first motion is equal to that of the second motion, if the user brushes the teeth while moving the electric toothbrush laterally, the projection of the track of the combined motion of the cleaning member on the teeth can be made to take on a curve of a spring shape as shown in fig. 7 (c), and the cleaning effect of the cleaning member on soft dirt and dental plaque on the tooth surface can be improved.

For example, when the vibration frequency of the first movement is equal to the vibration frequency of the second movement, the amplitude of the first movement may be set smaller than the amplitude of the second movement (i.e., the vibration frequency of the first movement is equal to the vibration frequency of the second movement and the amplitude of the movement is not the same), that is, the reciprocating movement of the cleaning member about the own length extension direction is smaller than the reciprocating movement of the cleaning member along the own length extension direction, or the reciprocating movement of the cleaning member about the own length extension direction is smaller than the reciprocating movement of the cleaning member along the own length extension direction. In other words, when the vibration frequency of the first motion is equal to that of the second motion, the longitudinal swing amplitude of the cleaning member is controlled to be smaller than the transverse movement amplitude, so that the projection of the track of the combined motion of the cleaning member on the teeth presents an oval shape as shown in (b) of fig. 7, and the damage to the gums caused by the large longitudinal swing amplitude of the cleaning member in the cleaning process can be avoided, thereby protecting the gums.

For example, when the vibration frequency of the first movement is equal to the vibration frequency of the second movement, the swing amplitude of the first movement may be set larger than the movement amplitude of the second movement, that is, the reciprocating swing of the cleaning member about the own length extension direction may be larger than the reciprocating movement of the cleaning member along the own length extension direction, or the reciprocating movement of the cleaning member about the own length extension direction may be larger than the reciprocating movement of the cleaning member along the own length extension direction. In other words, when the vibration frequency of the first motion is equal to that of the second motion, the longitudinal swing amplitude of the cleaning member on the teeth is controlled to be larger than the transverse movement amplitude, so that the projection of the track of the combined motion of the cleaning member on the teeth presents an ellipse as shown in (f) of fig. 7, the cleaning area of the cleaning member on the teeth in the longitudinal direction is increased, the missing area of the cleaning member on the teeth is reduced, and the teeth are cleaned more comprehensively.

And, since the duty ratio of the driving signal outputted from the control unit affects the movement amplitude of the cleaning member, the swing amplitude of the first movement and the movement amplitude of the second movement can be further set by setting the duty ratio of the first driving signal and the second driving signal. For example, when the duty ratio of the first driving signal is set to be smaller than or equal to the duty ratio of the second driving signal, the swing amplitude of the first motion may be made smaller than or equal to the movement amplitude of the second motion. Alternatively, when the duty ratio of the first driving signal is set to be larger than the duty ratio of the second driving signal, the swing amplitude of the first motion may be made larger than the movement amplitude of the second motion.

For example, when the vibration frequency of the first motion is not equal to the vibration frequency of the second motion, the swing amplitude of the first motion and the movement amplitude of the second motion may be set to be equal to each other (i.e., the vibration frequency of the first motion is not equal to the vibration frequency of the second motion and the movement amplitude is the same), so that when the vibration frequency of the first motion is not equal to the vibration frequency of the second motion and the swing amplitude of the first motion is equal to the movement amplitude of the second motion, the longitudinal stripping force applied to the teeth by the cleaning element is different from the transverse stripping force when the teeth are cleaned, and at the same time, the projection of the track of the combined motion of the cleaning element on the teeth presents a circular shape as shown in (a) in fig. 7, so that the cleaning capability of the cleaning element on soft scale and dental plaque on the tooth surface is further improved, and the teeth are cleaned more deeply.

For example, when the vibration frequency of the first motion is not equal to the vibration frequency of the second motion, the swing amplitude of the first motion may be set to be not equal to the movement amplitude of the second motion (i.e., the vibration frequency of the first motion is not equal to the vibration frequency of the second motion and the movement amplitude is not equal to the vibration frequency of the second motion), so that when the vibration frequency of the first motion is not equal to the vibration frequency of the second motion and the swing amplitude of the first motion is not equal to the movement amplitude of the second motion, an elliptical motion track is formed while a difference exists between a force of longitudinal stripping and a force of transverse stripping applied to teeth by the cleaning member when cleaning teeth, and when cleaning soft scale or dental plaque on the tooth surface, gingiva is protected.

For example, when the vibration frequency of the first motion is greater than that of the second motion, the swing amplitude of the first motion may be set equal to the movement amplitude of the second motion. That is, the cleaning member applies a force of longitudinal stripping to the teeth greater than a force of transverse stripping when cleaning the teeth, and the projection of the locus of the combined motion of the cleaning member on the teeth is made to take on a circular shape as shown in fig. 7 (a), so that the cleaning ability of the cleaning member to soft scale and dental plaque on the tooth surface is improved, and the teeth are cleaned more deeply.

For another example, when the vibration frequency of the first motion is greater than the vibration frequency of the second motion, the swing amplitude of the first motion may be set smaller than the movement amplitude of the second motion. Namely, when the longitudinal stripping force applied to the teeth by the cleaning member is larger than the transverse stripping force during the cleaning of the teeth, the projection of the track of the combined motion of the cleaning member on the teeth is elliptical as shown in (b) of fig. 7, so that the cleaning capability of the cleaning member to soft dirt and dental plaque on the surfaces of the teeth is improved, and meanwhile, the damage to the gums caused by the larger longitudinal swing amplitude of the cleaning member in the cleaning process can be avoided, and the protection effect on the gums is realized.

It should be noted that, under different oral cavity cleaning modes, the vibration frequency of the first motion and the vibration frequency of the second motion, and the magnitude between the swing amplitude of the first motion and the movement amplitude of the second motion can be combined according to the cleaning requirement, so as to form various motion frequencies or motion amplitudes, influence the motion of the cleaning piece, and further influence the motion track of the cleaning piece, so that the electric toothbrush with a plurality of driving mechanisms can combine more oral cavity cleaning modes, and better meet the cleaning requirement of users on the oral cavity.

For example, outputting the first driving signal and the second driving signal at the same time in S530 may include: after the first driving signal is outputted for a first period of time, the first driving signal and the second driving signal are outputted simultaneously for a duration of time.

Wherein the first time length is the sum of N cycle time lengths and one-fourth cycle time lengths; or, the first time period is the sum of N period time periods and three-quarter period time periods; n is an integer greater than or equal to zero, and the period duration is the duration of single complete output of the first driving signal or the second driving signal. It should be appreciated that the period duration of the first drive signal and the period duration of the second drive signal may be the same.

Alternatively, the first time length may be calculated by formula (1) or formula (2):

first duration = number of cycles x period duration +1/4 x period duration	(1)
		First duration = number of cycles x period +3/4 x period	(2)

For example, the duration of single complete output of the first driving signal and the second driving signal is 8 seconds, and the cycle number is 0, and the calculation according to the formula (1) can obtain: first duration = 0 x 8+1/4 x 8 = 2 seconds; alternatively, the calculation by equation (2) can be: first duration=0×8+3/4×8=6 seconds. And N is an integer greater than or equal to zero, i.e., N includes, but is not limited to, 0, 1, 2 … … N.

In an exemplary manner, under the condition that the bidirectional motor is reset, the cleaning piece can be controlled to swing in the middle in the direction corresponding to the first movement, and the cleaning piece moves in the limit position in the direction corresponding to the second movement, so that the resultant movement corresponding track of the cleaning piece is a closed curve track as much as possible, and the circular arc movement is better simulated.

Or under the condition that the bidirectional motor is reset, the swinging of the cleaning piece in the first motion corresponding direction can be controlled to be in a limit position, the movement in the second motion corresponding direction is centered, and the resultant motion corresponding track of the cleaning piece can be a closed curve track as much as possible. In other words, when the cleaning member performs the combined movement, either one of the swing in the first movement corresponding direction and the movement in the second movement corresponding direction is centered, and the other is in the limit position.

Fig. 8 is a schematic diagram of yet another electric toothbrush control process provided in an embodiment of the present application.

For example, as shown in fig. 8 (a), the first driving signal may be outputted for a first period of time (e.g., 2 seconds) by the control unit in the electric toothbrush such that the cleaning member is centered in the direction corresponding to the first movement or in the limit position; and then, simultaneously outputting a first driving signal and a second driving signal, so that when the cleaning piece performs the combined motion of the first motion and the second motion, asynchronism of a first duration exists between the first driving signal and the second driving signal all the time, namely, when the cleaning piece performs the combined motion, any one of the swing in the direction corresponding to the first motion and the movement in the direction corresponding to the second motion is centered, and the other one is positioned at the limit position, so that the projection of the track of the combined motion of the cleaning piece on the teeth is a closed curve as much as possible, even if the cleaning piece better simulates an arc brushing method, the soft dirt or dental plaque on the tooth surface is applied with multidirectional stripping force under high-frequency vibration, so that the soft dirt or dental plaque on the tooth surface is easier to clean, and the tooth cleaning capability of the electric toothbrush is improved.

For example, as shown in fig. 8 (b), the control unit in the electric toothbrush may also output the second driving signal for a first period of time (e.g., 6 seconds) so that the cleaning member is centered or in an extreme position in the direction corresponding to the second movement; and then, the first driving signal and the second driving signal are output at the same time, so that when the cleaning piece performs the combined motion of the first motion and the second motion, the first time period asynchronization exists between the first driving signal and the second driving signal all the time, and the cleaning capability of the electric toothbrush on teeth is improved.

In the process of controlling the electric toothbrush shown in fig. 8 (a) and fig. 8 (b), the vibration frequency of the first movement is equal to the vibration frequency of the second movement; and the first period shown in (a) of fig. 8 and (b) of fig. 8 may represent the sum of N period durations and a quarter period duration of the duration of a single complete output of the first drive signal or the second drive signal; alternatively, the sum of the N cycle durations and the three-quarter cycle duration, and the first duration shown in (a) in fig. 8 and (b) in fig. 8 may be the same or different, for example, the first duration shown in (a) in fig. 8 is 2 seconds, which is different from the first duration shown in (b) in fig. 8 is 6 seconds; the cleaning capability of the electric toothbrush to teeth can be improved when the asynchronization of the first duration exists between the first driving signal and the second driving signal output by the control unit all the time, and the embodiment of the application is not limited to the cleaning capability.

The bi-directional motor may, for example, control the alternating motion of the single motion and the combined motion of the cleaning member in addition to controlling the combined motion of the first motion and the second motion of the cleaning member.

Illustratively, the outputting of the first drive signal and the second drive signal is suspended, outputting a single drive signal; the output of the single driving signal is suspended, and the first driving signal and the second driving signal are simultaneously output again.

Alternatively, the single drive signal may comprise the first drive signal or the second drive signal.

For example, when the first driving signal and the second driving signal are simultaneously output, the control unit may output the first driving signal or the second driving signal alone if the first driving signal and the second driving signal are suspended to be output; and when the first driving signal or the second driving signal is output in a suspension mode, the first driving signal and the second driving signal can be output again simultaneously, so that the cleaning piece can perform alternating motion of combined motion and unidirectional motion, and when the cleaning piece cleans teeth, not only can the force for stripping soft dirt and dental plaque on the surfaces of the teeth be applied in multiple directions, but also the teeth can be cleaned longitudinally or transversely independently, and the motion track of the cleaning piece is increased, so that the surfaces of the teeth are cleaned more comprehensively.

Fig. 9 is a schematic diagram of yet another electric toothbrush control process provided in an embodiment of the present application.

For example, as shown in (a) of fig. 9, after simultaneously outputting the first driving signal and the second driving signal, the control unit may individually output the first driving signal if the first driving signal and the second driving signal are suspended to be output; when the output of the first driving signal is detected to be suspended, the first driving signal and the second driving signal are output again at the same time, so that the control unit can alternately output a first driving signal and a second driving signal, a first driving signal and a second driving signal to control the cleaning piece to perform alternate motion of combining motion, a first motion and combining motion, and therefore when the cleaning piece cleans teeth, not only can the force for stripping soft dirt and dental plaque on the surfaces of the teeth be applied in multiple directions at the same time, but also the teeth can be cleaned longitudinally independently, deep cleaning is performed on tooth gaps among the teeth, and the cleaning effect on the teeth is further improved.

For example, as shown in (b) of fig. 9, after simultaneously outputting the first driving signal and the second driving signal, the control unit may individually output the second driving signal if the first driving signal and the second driving signal are suspended to be output; when the output of the second driving signal is detected to be suspended, the first driving signal and the second driving signal are output again at the same time, so that the control unit can alternately output a first driving signal and a second driving signal, a first driving signal and a second driving signal to control the cleaning piece to perform alternate motion of combining motion, a second motion and combining motion, and therefore when the cleaning piece cleans teeth, not only can the force for stripping soft dirt and dental plaque on the surfaces of the teeth be applied in multiple directions at the same time, but also the teeth can be cleaned transversely, the gum line can be massaged while the gums are cleaned, and the gum line atrophy can be effectively avoided.

Optionally, after the first driving signal and the second driving signal are output at the same time, if the control unit pauses to output the first driving signal and the second driving signal, the control unit may alternately output the first driving signal and the second driving signal, and when detecting to pause the output of the first driving signal and the second driving signal, simultaneously output the first driving signal and the second driving signal again, so that the control unit may alternately output the first driving signal+the second driving signal→the first driving signal+the second driving signal→the first driving signal+the second driving signal, so as to control the cleaning member to perform an alternate motion of "composite motion→the first motion→the composite motion→the second motion→the composite motion", thereby, when the cleaning member cleans teeth, not only can apply a force that can peel off dental plaque on soft scale on the surface of teeth in multiple directions, but also can perform longitudinal cleaning and transverse cleaning on teeth independently, thereby increasing the cleaning effect of the teeth between the teeth and massaging gum lines in the cleaning process.

In one possible implementation, the electric toothbrush may further include a position detecting unit for detecting a cleaning position of the cleaning member in the oral cavity; simultaneously outputting the first driving signal and the second driving signal may include: and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit.

Alternatively, the position detection unit in the electric toothbrush may include, but is not limited to, an accelerometer and a gyroscope by which the current position of the cleaning member in the oral cavity can be detected; for example, the position detecting unit detects that the current position of the cleaning member in the oral cavity is the flank surface and the occlusal surface, or may be the tongue coating surface. The sides of the tooth may include all sides of the tooth that are non-occlusal surfaces, such as the buccal side, lingual side, two sides that are adjacent the front and back teeth, and the mesial and distal sides.

For example, when the position detecting unit detects that the cleaning member is currently on the flank or occlusal surface, the position information may be transmitted to the control unit, so that the control unit adjusts the first driving signal and/or the second driving signal according to the received position information.

The first driving signal and the second driving signal are output only when the position information received by the control unit is the flank or the occlusal surface, so that the problem that the cleaning piece moves to cause the cleaning piece (for example, toothpaste) placed by the cleaning piece to splash when the cleaning piece is not contacted with the flank or the occlusal surface by a user can be avoided, and the user experience is improved.

For example, adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit may include various implementations, which are described by:

the implementation mode is as follows:

according to the cleaning position detected by the position detection unit, adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position comprises at least one of the following 4 types:

(1) If the cleaning position is detected to be the tooth side surface, adjusting the swing amplitude of the first motion to be larger than the movement amplitude of the second motion;

(2) If the cleaning position is detected to be a tooth side surface, the duty ratio of the first driving signal is adjusted to be larger than that of the second driving signal;

(3) If the cleaning position is detected to be the tooth side surface, adjusting the vibration frequency of the first movement to be larger than that of the second movement;

(4) If the cleaning position is detected to be the flank, the driving frequency of the first driving signal is adjusted to be larger than that of the second driving signal.

For example, because the area of the flank surface to be cleaned is large, when the position detection unit detects that the cleaning piece is currently positioned on the flank surface, the position information can be sent to the control unit, so that the control unit adjusts the swing amplitude of the cleaning piece in the first motion to be larger than the movement amplitude of the cleaning piece in the second motion according to the received position information; and/or adjusting the swing amplitude of the first motion and the movement amplitude of the second motion by adjusting the duty ratio of the first driving signal and the duty ratio of the second driving signal, namely adjusting the duty ratio of the first driving signal to be larger than the duty ratio of the second driving signal, so that the cleaning capacity of the cleaning piece on the tooth side surface is improved.

For example, when the position detecting unit detects that the cleaning member is currently located on the flank, the control unit can adjust the swing amplitude of the cleaning member in the first motion to be larger than the movement amplitude of the second motion, that is, the longitudinal swing amplitude of the cleaning member is larger than the transverse movement amplitude, so that the longitudinal cleaning area of the cleaning member on the flank can be increased, the missing area of the cleaning member when cleaning the flank can be reduced, and the cleaning of the flank can be more comprehensive.

For another example, when the position detecting unit detects that the cleaning member is currently on the flank, the control unit can adjust the duty ratio of the first driving signal to be larger than the duty ratio of the second driving signal, so as to adjust the swing amplitude of the first movement of the cleaning member to be larger than the movement amplitude of the second movement, thereby increasing the longitudinal cleaning area of the cleaning member on the flank, reducing the missing area of the cleaning member when cleaning the flank, and enabling the cleaning of the flank to be more comprehensive.

For example, because the area of the dental side surface to be cleaned is larger, more soft dirt and dental plaque may be included, when the position detection unit detects that the cleaning member is currently positioned on the dental side surface, the position information can be sent to the control unit, so that the control unit adjusts the vibration frequency of the cleaning member in the first motion to be greater than the vibration frequency of the cleaning member in the second motion according to the received position information; and/or adjusting the vibration frequency of the first motion and the vibration frequency of the second motion by adjusting the driving frequency of the first driving signal and the driving frequency of the second driving signal, namely adjusting the driving frequency of the first driving signal to be larger than the driving frequency of the second driving signal.

For example, when the position detecting unit detects that the cleaning member is currently on the side of the tooth, the control unit may adjust the vibration frequency of the cleaning member in the first movement to be greater than the vibration frequency of the second movement so that the cleaning member applies a greater force for longitudinal stripping of soft plaque and plaque on the surface of the tooth when cleaning the side of the tooth, thereby performing deeper cleaning of soft plaque and plaque on the side of the tooth.

For another example, when the position detecting unit detects that the cleaning member is currently positioned on the side surface of the tooth, the control unit can adjust the driving frequency of the first driving signal to be larger than the driving frequency of the second driving signal so as to adjust the first movement vibration frequency of the cleaning member to be larger than the second movement vibration frequency, so that the cleaning member can apply larger longitudinal stripping force to soft dirt and dental plaque on the surface of the tooth when cleaning the side surface of the tooth, and the cleaning effect of the cleaning member on the side surface of the tooth is improved.

The implementation mode II is as follows:

(1) If the cleaning position is detected to be the occlusal surface, adjusting the swing amplitude of the first motion to be smaller than the movement amplitude of the second motion;

(2) If the cleaning position is detected to be the occlusal surface, the duty ratio of the first driving signal is adjusted to be smaller than that of the second driving signal;

(3) If the cleaning position is detected to be the occlusal surface, adjusting the vibration frequency of the first motion to be smaller than that of the second motion;

(4) And if the cleaning position is detected to be the occlusal surface, adjusting the driving frequency of the first driving signal to be smaller than the driving frequency of the second driving signal.

For example, because the area of the occlusal surface to be cleaned is small and narrow, in order to avoid the cleaning member from falling out when cleaning the occlusal surface, when the position detection unit detects that the cleaning member is currently positioned on the occlusal surface, the position information can be sent to the control unit, so that the control unit adjusts the swing amplitude of the cleaning member in the first motion to be smaller than the movement amplitude of the second motion according to the received position information; and/or, the duty ratio of the first driving signal is adjusted to be smaller than that of the second driving signal, so that the cleaning efficiency of the cleaning piece on the occlusal surface is improved.

For example, when the position detecting unit detects that the cleaning member is currently positioned on the occlusal surface, the control unit can adjust the swing amplitude of the cleaning member in the first motion to be smaller than the movement amplitude of the second motion, namely, the longitudinal swing amplitude of the cleaning member is smaller than the transverse movement amplitude, so that the problem that only a small part of area of the cleaning member contacts with the occlusal surface when the longitudinal swing of the cleaning member is overlarge, and the cleaning efficiency is lower can be avoided, and the cleaning efficiency of the cleaning member on the occlusal surface is improved.

For another example, when the position detection unit detects that the cleaning member is currently positioned on the occlusal surface, the control unit can adjust the duty ratio of the first driving signal to be smaller than the duty ratio of the second driving signal so as to adjust the swing amplitude of the first movement of the cleaning member to be smaller than the movement amplitude of the second movement, thereby avoiding the problem that the cleaning member swings too much in the longitudinal direction and the cleaning efficiency is lower, and improving the cleaning efficiency of the cleaning member on the occlusal surface.

For example, since the area of the occlusal surface to be cleaned is small and narrow, there may be an uneven area in which food residues that are difficult to clean may be present, when the position detecting unit detects that the cleaning member is currently on the occlusal surface, the position information may be transmitted to the control unit, so that the control unit adjusts the vibration frequency of the cleaning member in the first motion to be smaller than the vibration frequency of the cleaning member in the second motion according to the received position information; and/or, the driving frequency of the first driving signal is adjusted to be smaller than that of the second driving signal, so that the cleaning piece can apply larger transverse stripping force to the food residues, and the food residues on the occlusal surface are easier to clean.

For example, when the position detecting unit detects that the cleaning member is currently positioned on the occlusal surface, the control unit can adjust the vibration frequency of the cleaning member in the first motion to be smaller than that in the second motion, that is, the vibration frequency of the second motion to be larger than that of the first motion, so that a larger transverse stripping force is applied to the occlusal surface by the cleaning member when the cleaning member cleans the occlusal surface, food residues on the occlusal surface are easier to clean, and the cleaning efficiency of the cleaning member on the occlusal surface is improved.

For another example, when the position detecting unit detects that the cleaning member is currently positioned on the occlusal surface, the control unit can adjust the driving frequency of the first driving signal to be smaller than the driving frequency of the second driving signal so as to adjust the vibration frequency of the first movement of the cleaning member to be smaller than the vibration frequency of the second movement, so that larger transverse stripping force is applied to the cleaning member when the cleaning member cleans the occlusal surface, food residues on the occlusal surface are easier to clean, and the cleaning efficiency of the cleaning member on the occlusal surface is improved.

And the implementation mode is three:

according to the cleaning position detected by the position detection unit, adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position comprises at least one of the following 2 types:

(1) The duty ratio of the first driving signal corresponding to the tooth side surface is larger than that of the first driving signal corresponding to the occlusal surface;

(2) The driving frequency of the second driving signal corresponding to the flank is smaller than the driving frequency of the second driving signal corresponding to the occlusal surface.

Illustratively, soft plaque and plaque present on the sides of the teeth may be far more excessive than on the sides of the teeth, as the sides of the teeth need to be cleaned over an area greater than the sides of the teeth need to be cleaned; therefore, in order to improve the cleaning efficiency of the cleaning member on the dental side, the duty ratio of the first driving signal corresponding to the dental side can be adjusted to be larger than the duty ratio of the first driving signal corresponding to the occlusal surface, so that the swing amplitude of the first movement corresponding to the cleaning member on the dental side is larger than the swing amplitude of the first movement corresponding to the occlusal surface, thereby enabling the cleaning area of the cleaning member on the dental side to be larger than the cleaning area of the occlusal surface, so as to clean more soft dirt and dental plaque on the dental side, and improving the cleaning efficiency of the cleaning member on the dental side.

And because the adjustment of the swing amplitude of the first motion can be realized by adjusting the duty ratio of the first driving signal, that is, the duty ratio of the first driving signal corresponding to the flank of the tooth is adjusted to be larger than the duty ratio of the first driving signal corresponding to the occlusal surface, the swing amplitude of the first motion corresponding to the flank of the tooth can be adjusted to be larger than the swing amplitude of the first motion corresponding to the occlusal surface.

Alternatively, the swing amplitude of the first motion corresponding to the flank of the tooth may be directly adjusted to be greater than the swing amplitude of the first motion corresponding to the occlusal surface.

For example, since the cleaning member may contact the gums over a large area when cleaning the sides of the teeth, if the frequency of vibration of the cleaning member moving laterally is too high, the cleaning member may damage the gums, and the cleaning member may not contact the gums and may not damage the gums naturally when cleaning the occlusal surfaces. Therefore, in order to protect the gingiva, the driving frequency of the second driving signal corresponding to the flank of the tooth can be adjusted to be smaller than the driving frequency of the second driving signal corresponding to the occlusal surface, so that the cleaning piece is prevented from damaging the gingiva when cleaning the flank of the tooth, and the gingiva is protected.

And because the driving frequency of the second driving signal can be adjusted to realize the adjustment of the vibration frequency of the second motion, namely, the driving frequency of the second driving signal corresponding to the flank is smaller than the driving frequency of the second driving signal corresponding to the occlusal surface, the vibration frequency of the second motion corresponding to the flank can be adjusted to be smaller than the vibration frequency of the second motion corresponding to the occlusal surface.

Alternatively, the vibration frequency of the second motion corresponding to the flank of the tooth may be directly adjusted to be less than the vibration frequency of the second motion corresponding to the occlusal surface.

Alternatively, if the cleaning member is not in contact with the flank or occlusal surface, the output of the first driving signal and the second driving signal is suspended.

For example, when the position detecting unit detects that the cleaning member is not in contact with the side surface or the occlusal surface currently, the position information can be sent to the control unit, so that the control unit can suspend the output of the first driving signal and/or the second driving signal, and the cleaning member can be prevented from moving when the cleaning member is not in contact with the side surface or the occlusal surface currently, namely, the cleaning member is controlled to be in a static state when the cleaning member is not in contact with the side surface or the occlusal surface currently, thereby avoiding the loss of energy consumption of the electric toothbrush when the cleaning member is not used for cleaning teeth, and improving the cruising ability of the electric toothbrush.

Fig. 10 is a flowchart of another control method of an electric toothbrush according to an embodiment of the present application.

Illustratively, as shown in FIG. 10, the method 1000 includes the following implementation:

s1010, detecting an oral cleaning instruction.

For example, when a user desires to clean the oral cavity, the control unit of the electric toothbrush may be clicked to trigger an oral cleaning instruction so that the control unit may detect an oral cleaning instruction for oral cleaning.

S1020, determining whether the cleaning position is a flank or an occlusal surface; if yes, then execute S1030; if not, S1080 is performed.

For example, the control unit may cause the position detecting unit to detect a current position of the cleaning member in the oral cavity after detecting an oral cleaning instruction for oral cleaning, and determine whether the cleaning position is a flank or an occlusal surface according to the position information detected by the position detecting unit.

S1030, determining a corresponding first driving signal and second driving signal in response to the oral cleaning instruction; the cleaning element of the electric toothbrush is controlled to produce a first motion based on the first drive signal and a second motion based on the second drive signal.

For example, when the cleaning position is determined to be a flank or an occlusal surface, the oral cleaning instruction may be responded, and the corresponding first driving signal and second driving signal may be queried from the correspondence between the prestored oral cleaning parameter and the first driving signal and the second driving signal according to the oral cleaning parameter carried by the oral cleaning instruction; and based on the first driving signal, controlling the cleaning member to generate reciprocating swing taking the self length extending direction as an axis, and based on the second driving signal, controlling the cleaning member to generate reciprocating movement along the self length extending direction.

Or responding to the oral cavity cleaning instruction, and inquiring the corresponding first driving signal and the corresponding second driving signal from the corresponding relation according to the oral cavity cleaning parameter carried by the oral cavity cleaning instruction so as to control the cleaning piece to generate reciprocating movement taking the self length extending direction as an axis based on the first driving signal and control the cleaning piece to generate reciprocating movement along the self length extending direction based on the second driving signal.

S1040, outputting the first driving signal and the second driving signal simultaneously to enable the cleaning member to perform the combined motion of the first motion and the second motion.

For example, after determining the corresponding first and second drive signals in response to the detected oral cleaning instruction, the first and second drive signals may be controlled to be simultaneously output, so that the cleaning member may clean the oral cavity according to a combined motion of the first and second motions driven by the first and second drive signals.

It should be noted that, the specific embodiment of S1040 is described in detail in S530 above, and will not be described herein.

S1050, suspending the output of the first driving signal and the second driving signal, and outputting a single driving signal.

For example, after simultaneously outputting the first driving signal and the second driving signal, if the output of the first driving signal and the second driving signal is suspended, the control unit may output a single driving signal, i.e., individually output the first driving signal or the second driving signal.

S1060, suspending the output of the single driving signal.

For example, after the first driving signal or the second driving signal is separately output, if the output of the single driving signal is suspended, S1070 may be performed.

S1070, the first driving signal and the second driving signal are simultaneously outputted to make the cleaning member perform the combined motion of the first motion and the second motion.

For example, when the first driving signal and the second driving signal are simultaneously output, the control unit may output the first driving signal or the second driving signal alone if the first driving signal and the second driving signal are suspended to be output; and when the first driving signal or the second driving signal is suspended from being outputted, the first driving signal and the second driving signal may be outputted again at the same time.

S1080, suspending the output of the first driving signal and the second driving signal.

By way of example, if the cleaning position is not the flank or the occlusal surface as determined in S1020, the output of the first driving signal and/or the second driving signal may be suspended to avoid that the cleaning member still moves when not contacting the flank or the occlusal surface, that is, when the cleaning member is not contacting the flank or the occlusal surface, the cleaning member is controlled to be in a stationary state, thereby avoiding the loss of energy consumption of the electric toothbrush when the cleaning member is not cleaning the teeth, and improving the cruising ability of the electric toothbrush.

It should be noted that, the embodiments corresponding to all the steps in fig. 10 are described in fig. 5 to 9, and are not repeated here.

It should be appreciated that the above illustration is to aid one skilled in the art in understanding the embodiments of the application and is not intended to limit the embodiments of the application to the specific numerical values or the specific scenarios illustrated. It will be apparent to those skilled in the art from the foregoing description that various equivalent modifications or variations can be made, and such modifications or variations are intended to be within the scope of the embodiments of the present application.

The control method of the electric toothbrush according to the embodiment of the present application is described in detail above with reference to fig. 1 to 10; embodiments of the device of the present application will be described in detail below with reference to fig. 11 and 12. It should be understood that the apparatus in the embodiments of the present application may perform the methods in the embodiments of the present application, that is, specific working procedures of the following various products may refer to corresponding procedures in the embodiments of the methods.

Fig. 11 is a schematic structural view of a control device for an electric toothbrush according to an embodiment of the present application. Illustratively, as shown in FIG. 11, the apparatus 1100 includes a detection module 1110, a control module 1120, and an output module 1130.

Wherein the detection module 1110: for detecting an oral cleaning instruction; control module 1120: for determining a corresponding first drive signal and second drive signal in response to the oral cleaning instructions; controlling the cleaning element of the electric toothbrush to generate a first motion based on the first driving signal, and controlling the cleaning element to generate a second motion based on the second driving signal; wherein the first motion and the second motion have different motion directions; output module 1130: for outputting the first driving signal and the second driving signal simultaneously so that the cleaning member performs the combined motion of the first motion and the second motion.

In one possible implementation, the first motion includes a reciprocating motion in which a length extending direction of the cleaning member is an axis; the second movement includes a reciprocating movement along a length of the cleaning member.

In one possible implementation, the first movement further includes a reciprocating movement about an axis extending along a length of the cleaning member.

In a possible implementation manner, the vibration frequency of the first motion is equal to the vibration frequency of the second motion; and/or the driving frequency of the first driving signal is equal to the driving frequency of the second driving signal.

In a possible implementation manner, the swing amplitude of the first motion is smaller than or equal to the movement amplitude of the second motion; and/or, the duty ratio of the first driving signal is smaller than or equal to the duty ratio of the second driving signal.

In one possible implementation, the output module 1130 is specifically configured to:

In a possible implementation, the vibration frequency of the first motion is greater than the vibration frequency of the second motion; and/or, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal.

In a possible implementation manner, the vibration frequency of the first motion is greater than the vibration frequency of the second motion, including: the vibration frequency of the first motion is greater than or equal to twice the vibration frequency of the second motion.

In one possible implementation manner, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal, including: the driving frequency of the first driving signal is greater than or equal to twice the driving frequency of the second driving signal.

In a possible implementation manner, the electric toothbrush includes a position detection unit for detecting a cleaning position of the cleaning member in an oral cavity; the control module 1120 is specifically configured to:

In one possible implementation, the control module 1120 is specifically configured to:

In a possible implementation manner, the surface to be cleaned includes a dental side, and the control module 1120 is specifically configured to:

In one possible implementation, the electric toothbrush further includes a bi-directional motor; the control module 1120 is specifically configured to:

The above-described device 1110 is embodied in the form of a functional module. The term "module" herein may be implemented in software and/or hardware, and is not specifically limited thereto.

For example, a "module" may be a software program, a hardware circuit, or a combination of both that implements the functionality described above. The hardware circuitry may include application specific integrated circuits (Application Specific Integrated Circuit, ASICs), electronic circuits, processors (e.g., shared, proprietary, or group processors, etc.) and memory for executing one or more software or firmware programs, merged logic circuits, and/or other suitable components that support the described functions.

Thus, the modules of the examples described in the embodiments of the present application can be implemented in electronic hardware, or in a combination of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

Illustratively, as shown in fig. 12, the electric toothbrush 100 includes: at least one processor 1210, cleaning element 1220, user interface 1230, memory 1240, at least one network interface 1250, and at least one communication bus 1260.

Wherein the electric toothbrush 100 may be, but is not limited to, an oral cleaning device such as a dental appliance.

Wherein a communication bus 1260 is used to enable connected communications between these components.

Wherein cleaning member 1220 is used to care for the user's mouth.

The user interface 1230 may include a Display screen (Display) and a Camera (Camera), and optionally, the user interface 1230 may also include a standard wired interface, a wireless interface.

The network interface 1250 may optionally include, among other things, a bluetooth module, a near field communication (Near Field Communication, NFC) module, a wireless fidelity (Wireless Fidelity, wi-Fi) module, and the like.

Processor 1210 may include, among other things, one or more processing cores. The processor 1210 uses various interfaces and lines to connect various portions of the overall electric toothbrush 100, perform various functions of the electric toothbrush 100 and process data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 1240, and invoking data stored in the memory 1240. Alternatively, the processor 1210 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 1210 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. Wherein, the CPU mainly processes an operating system, application programs and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 1210 and may be implemented by a single chip.

The Memory 1240 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 1240 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). Memory 1240 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 1240 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (e.g., a receiving function, a control function, a determining function, etc.), instructions for implementing the various method embodiments described above, and the like; the storage data area may store data or the like referred to in the above respective method embodiments. Memory 1240 may also optionally be at least one storage device located remotely from processor 1210. As shown in fig. 12, an operating system, a network communication module, a user interface module, and program instructions may be included in the memory 1240, which is a type of computer storage medium.

In some possible embodiments, in the electric toothbrush shown in fig. 12, the processor 1210 may be configured to call up program instructions stored in the memory 1240 and specifically perform the following operations: detecting an oral cleaning instruction; determining a corresponding first drive signal and second drive signal in response to the oral cleaning instruction; controlling the cleaning element of the electric toothbrush to generate a first motion based on the first driving signal, and controlling the cleaning element to generate a second motion based on the second driving signal; wherein the first motion and the second motion have different motion directions; and outputting the first driving signal and the second driving signal simultaneously so as to enable the cleaning piece to perform the combined motion of the first motion and the second motion.

In some possible embodiments, the first motion includes a reciprocating swing about an axis extending along a length of the cleaning member; the second movement includes a reciprocating movement along a length of the cleaning member.

In some possible embodiments, the first movement further includes a reciprocating movement about an axis extending the length of the cleaning member.

In some possible embodiments, the frequency of vibration of the first motion is equal to the frequency of vibration of the second motion; and/or the driving frequency of the first driving signal is equal to the driving frequency of the second driving signal.

In some possible embodiments, the swing amplitude of the first motion is less than or equal to the movement amplitude of the second motion; and/or, the duty ratio of the first driving signal is smaller than or equal to the duty ratio of the second driving signal.

In some possible embodiments, the processor 1210 executing the simultaneous outputting of the first driving signal and the second driving signal includes: outputting the first driving signal and the second driving signal at the same time after the first driving signal is output for a first duration; wherein, the first time length is the sum of N cycle time lengths and one-fourth cycle time length; or, the first duration is the sum of N cycle durations and three-quarter cycle durations; and N is an integer greater than or equal to zero, and the period duration is the duration of single complete output of the first driving signal or the second driving signal.

In some possible embodiments, the processor 1210 is further configured to perform: suspending the output of the first driving signal and the second driving signal, and outputting a single driving signal; wherein the single driving signal is the first driving signal or the second driving signal; and suspending the output of the single driving signal, and simultaneously outputting the first driving signal and the second driving signal again.

In some possible embodiments, the frequency of vibration of the first motion is greater than the frequency of vibration of the second motion; and/or, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal.

In some possible embodiments, the first motion has a vibration frequency greater than a vibration frequency of the second motion, including: the vibration frequency of the first motion is greater than or equal to twice the vibration frequency of the second motion.

In some possible embodiments, the electric toothbrush includes a position detecting unit for detecting a cleaning position of the cleaning member in the oral cavity; the processor 1210 executes the simultaneous output of the first driving signal and the second driving signal, and is specifically configured to execute: and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detecting unit.

In some possible embodiments, the processor 1210 is further configured to perform: if the cleaning member is detected not to be in contact with the surface to be cleaned, the output of the first driving signal and the second driving signal is stopped.

In some possible embodiments, the surface to be cleaned includes a flank surface, the processor 1210 is specifically configured to perform the cleaning position detected by the position detecting unit, and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position includes at least one of: if the cleaning position is detected to be a tooth side surface, adjusting the swing amplitude of the first motion to be larger than the movement amplitude of the second motion; if the cleaning position is detected to be the flank, the duty ratio of the first driving signal is adjusted to be larger than that of the second driving signal; if the cleaning position is detected to be the flank surface, adjusting the vibration frequency of the first motion to be larger than that of the second motion; and if the cleaning position is detected to be the flank surface, adjusting the driving frequency of the first driving signal to be larger than the driving frequency of the second driving signal.

In some possible embodiments, the processor 1210 is specifically configured to perform the cleaning position detected by the position detecting unit, and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position includes at least one of: if the cleaning position is detected to be an occlusal surface, adjusting the swing amplitude of the first motion to be smaller than the movement amplitude of the second motion; if the cleaning position is detected to be the occlusal surface, the duty ratio of the first driving signal is adjusted to be smaller than that of the second driving signal; detecting that the cleaning position is the occlusal surface, and adjusting the vibration frequency of the first motion to be smaller than that of the second motion; and if the cleaning position is detected to be the occlusal surface, adjusting the driving frequency of the first driving signal to be smaller than the driving frequency of the second driving signal.

In some possible embodiments, the cleaning position includes a flank surface and an occlusal surface, the processor 1210 is specifically configured to perform the cleaning position detected by the position detecting unit, and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position includes at least one of: the duty ratio of the first driving signal corresponding to the flank of the tooth is larger than the duty ratio of the first driving signal corresponding to the occlusal surface; the driving frequency of the second driving signal corresponding to the flank surface is smaller than the driving frequency of the second driving signal corresponding to the occlusal surface.

In some possible embodiments, the electric toothbrush further comprises a bi-directional motor; the processor 1210 executes the first driving signal to control the cleaning member of the electric toothbrush to generate a first motion, and the second driving signal to control the cleaning member to generate a second motion, specifically for executing: based on the first driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate the first motion, and based on the second driving signal, the bidirectional motor is controlled to drive the cleaning piece to generate the second motion.

Embodiments also provide a computer storage medium having instructions stored therein which, when run on a computer or processor, cause the computer or processor to perform one or more steps of any of the methods described above. The respective constituent modules of the control device of the electric toothbrush may be stored in the storage medium if implemented in the form of software functional units and sold or used as independent products.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product described above includes one or more computer instructions. When the above-described computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted across a computer-readable storage medium. The computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line (Digital Subscriber Line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage media may be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that contains an integration of one or more available media. The above-mentioned usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a digital versatile disk (Digital Versatile Disc, DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.

Those skilled in the art will appreciate that implementing all or part of the above-described embodiment methods may be accomplished by way of a computer program, which may be stored in a computer-readable storage medium, instructing relevant hardware, and which, when executed, may comprise the embodiment methods as described above. And the aforementioned storage medium includes: various media capable of storing program code, such as ROM, RAM, magnetic or optical disks. The technical features in the present examples and embodiments may be arbitrarily combined without conflict.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of controlling an electric toothbrush, the method comprising:

detecting an oral cleaning instruction;

determining corresponding first and second drive signals in response to the oral cleaning instructions; controlling a cleaning element of the electric toothbrush to generate a first motion based on the first drive signal, and controlling the cleaning element to generate a second motion based on the second drive signal; wherein the direction of motion of the first motion and the second motion are different;

And outputting the first driving signal and the second driving signal simultaneously to enable the cleaning piece to perform the combined motion of the first motion and the second motion.

2. The control method according to claim 1, wherein the first movement includes a reciprocating swing about a direction in which a length of the cleaning member extends; the second motion includes a reciprocating motion along a length extension of the cleaning member.

3. The control method according to claim 2, wherein a vibration frequency of the first motion is equal to a vibration frequency of the second motion; and/or, the driving frequency of the first driving signal is equal to the driving frequency of the second driving signal.

4. A control method according to claim 3, wherein the swing amplitude of the first motion is less than or equal to the movement amplitude of the second motion; and/or the duty cycle of the first driving signal is less than or equal to the duty cycle of the second driving signal.

5. A control method according to claim 3, wherein the outputting the first drive signal and the second drive signal simultaneously includes:

outputting the first driving signal and the second driving signal simultaneously after the first driving signal is output for a first duration;

Wherein the first duration is the sum of N cycle durations and one-quarter cycle duration; or, the first duration is the sum of N period durations and three-quarter period durations; and N is an integer greater than or equal to zero, and the period duration is the duration of single complete output of the first driving signal or the second driving signal.

6. The control method according to claim 1, characterized in that the method further comprises:

suspending the output of the first driving signal and the second driving signal, and outputting a single driving signal; wherein the single drive signal is the first drive signal or the second drive signal;

and suspending the output of the single driving signal, and simultaneously outputting the first driving signal and the second driving signal again.

7. The control method of claim 2, wherein the vibration frequency of the first motion is greater than the vibration frequency of the second motion; and/or, the driving frequency of the first driving signal is greater than the driving frequency of the second driving signal.

8. The control method of claim 7, wherein the vibration frequency of the first motion is greater than the vibration frequency of the second motion, comprising:

9. The control method according to claim 2, wherein the electric toothbrush includes a position detection unit for detecting a cleaning position of the cleaning member in the oral cavity; the simultaneously outputting the first driving signal and the second driving signal includes:

and adjusting the first driving signal and/or the second driving signal corresponding to the cleaning position according to the cleaning position detected by the position detection unit.

10. The control method according to claim 9, wherein the adjusting the first drive signal and/or the second drive signal in correspondence with the cleaning position according to the cleaning position detected by the position detecting unit includes at least one of:

if the cleaning position is detected to be a tooth side surface, adjusting the swing amplitude of the first motion to be larger than the movement amplitude of the second motion;

if the cleaning position is detected to be the flank, the duty ratio of the first driving signal is adjusted to be larger than that of the second driving signal;

If the cleaning position is detected to be the flank, adjusting the vibration frequency of the first motion to be larger than that of the second motion;

and if the cleaning position is detected to be the flank, adjusting the driving frequency of the first driving signal to be larger than the driving frequency of the second driving signal.

11. The control method according to claim 9, wherein the adjusting the first drive signal and/or the second drive signal in correspondence with the cleaning position according to the cleaning position detected by the position detecting unit includes at least one of:

if the cleaning position is detected to be an occlusal surface, adjusting the swing amplitude of the first motion to be smaller than the movement amplitude of the second motion;

if the cleaning position is detected to be the occlusal surface, the duty ratio of the first driving signal is adjusted to be smaller than that of the second driving signal;

if the cleaning position is detected to be the occlusal surface, adjusting the vibration frequency of the first motion to be smaller than that of the second motion;

and if the cleaning position is detected to be the occlusal surface, adjusting the driving frequency of the first driving signal to be smaller than the driving frequency of the second driving signal.

12. The control method according to claim 9, wherein the adjusting the first drive signal and/or the second drive signal in correspondence with the cleaning position according to the cleaning position detected by the position detecting unit includes at least one of:

the duty ratio of the first driving signal corresponding to the tooth side surface is larger than that of the first driving signal corresponding to the occlusal surface;

the driving frequency of the second driving signal corresponding to the flank is smaller than the driving frequency of the second driving signal corresponding to the occlusal surface.

13. The control method of claim 1, wherein the electric toothbrush further comprises a bi-directional motor; the controlling the cleaning element of the electric toothbrush to generate a first motion based on the first drive signal, and the controlling the cleaning element to generate a second motion based on the second drive signal, comprising:

and controlling the bidirectional motor to drive the cleaning piece to generate the first motion based on the first driving signal, and controlling the bidirectional motor to drive the cleaning piece to generate the second motion based on the second driving signal.

14. A bi-directional motor, characterized in that it is applied to said electric toothbrush, said electric toothbrush comprising a cleaning element; the bidirectional motor comprises a first driving mechanism and a second driving mechanism, both the first driving mechanism and the second driving mechanism are connected with the cleaning piece, wherein,

The first driving mechanism is used for driving the cleaning piece to generate first motion based on a first driving signal;

the second driving mechanism is used for driving the cleaning piece to generate second motion based on a second driving signal;

wherein the bi-directional motor operates based on the control method of any one of claims 1 to 13.

15. The bi-directional motor of claim 14 wherein said first driving mechanism is configured to drive said cleaning member to oscillate reciprocally about an axis extending in a length direction of said cleaning member based on said first driving signal;

the second driving mechanism is used for driving the cleaning piece to reciprocate along the length extension direction of the cleaning piece based on the second driving signal.

16. A control device for an electric toothbrush, the device comprising:

the detection module is used for detecting an oral cleaning instruction;

a control module for determining a corresponding first drive signal and second drive signal in response to the oral cleaning instructions; controlling a cleaning element of the electric toothbrush to generate a first motion based on the first drive signal, and controlling the cleaning element to generate a second motion based on the second drive signal; wherein the direction of motion of the first motion and the second motion are different;

17. An electric toothbrush, comprising:

a processor and a memory;

wherein the memory is for storing a computer program, the processor is for invoking the computer program to cause the electric toothbrush to perform the method of any of claims 1 to 13.

18. A computer storage medium storing computer program instructions which, when executed, implement the method of any one of claims 1 to 13.