Electric toothbrush

By introducing automatic mode recovery and gradually enhancing vibration frequency in electric toothbrushes, the problem that existing electric toothbrushes need to manually set modes and water stains and splash after turning on is solved, improving the convenience and experience of use.

CN119791878APending Publication Date: 2025-04-11CHONGQING DENCARE CORP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202412000101.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

Existing electric toothbrushes need to manually set the brushing mode after turning on the machine, and the sudden increase in the motor vibration frequency can easily cause water stains to splash, resulting in inconvenience in use.

Method used

Design an electric toothbrush, including a controller, motor and button module, which automatically restores the brushing mode at the last shutdown when powered on, and in the startup step, gradually increase the motor vibration frequency to reduce water stains and splashes.

Benefits of technology

The automatic mode recovery of the electric toothbrush is realized, which improves the convenience of use, and reduces water stains and splashes by gradually increasing the vibration frequency, further improving the user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119791878A_ABST
    Figure CN119791878A_ABST
Patent Text Reader

Abstract

The invention discloses an electric toothbrush, and relates to the technical field of electric toothbrushes. The electric toothbrush comprises a controller, a motor and a key module, the controller is commonly used for executing the following steps: when an instruction that the key module is triggered is received in a power-off state, a power-on starting step is executed, and the power-on starting step comprises the following steps: setting a current tooth brushing mode as a last tooth brushing mode before the previous power-off of the electric toothbrush; the vibration frequency of the motor is controlled to be gradually increased within the first preset duration until the motor vibrates according to the vibration mode specified by the current tooth brushing mode so as to drive a brush handle connected with the motor to vibrate. The use convenience of the electric toothbrush can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of electric toothbrushes, and in particular to an electric toothbrush. Background Art

[0002] The existing electric toothbrush can brush teeth by driving the brush handle to vibrate through the motor, but after the electric toothbrush is turned on, the user needs to set the current brushing mode of the electric toothbrush every time, and the sudden increase in the vibration frequency of the motor when the electric toothbrush is turned on can easily cause water splashing. Therefore, the existing electric toothbrush still has the technical problem of inconvenience when brushing teeth.

[0003] Obviously, how to improve the convenience of using electric toothbrushes is still a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] In view of this, in order to solve the above technical problems, the present application provides an electric toothbrush, which includes: a controller, a motor and a button module; the controller is used to perform the following steps:

[0005] When receiving a command that the key module is triggered in the shutdown state, the startup step is executed, and the startup step includes:

[0006] Set the current brushing mode to the last brushing mode before the electric toothbrush was turned off;

[0007] And the vibration frequency of the motor is controlled to gradually increase within a first preset time length until the motor vibrates in a vibration mode specified by the current brushing mode to drive the brush handle connected to the motor to vibrate.

[0008] Beneficial effects: Different from the prior art, the present application has at least two beneficial effects. On the one hand, in the start-up drive step, the current brushing mode can be automatically set to the last brushing mode before the electric toothbrush was shut down, which is more in line with the user's usage habits, thereby improving the convenience of using the electric toothbrush. On the other hand, in the start-up step, by controlling the vibration frequency of the motor to gradually increase within the first preset time, it is helpful to reduce large-area splashing of water stains, thereby improving the convenience of using the electric toothbrush. Therefore, the present application can improve the convenience of using an electric toothbrush. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a module schematic diagram of the electric toothbrush of the present application. DETAILED DESCRIPTION

[0010] In order to enable those skilled in the art to better understand the technical solution of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described implementation methods are only part of the implementation methods of the present application, rather than all the implementation methods. Based on the implementation methods in the present application, all other implementation methods obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0011] It should be noted that the terms "first", "second", and "third" in the embodiments of the present application are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0012] See also Figure 1 As shown, the electric toothbrush includes a controller, a motor and a button module. The controller is connected to the motor and the button module. The motor is used to drive the brush handle connected to the motor to vibrate under the control of the controller to brush the teeth. The button module is used to send instructions to the controller when triggered.

[0013] The controller is used to execute a power-on startup step when receiving an instruction that the key module is triggered in the shutdown state. The power-on startup step includes steps S110 to S120.

[0014] Step S110: setting the current brushing mode to the last brushing mode before the electric toothbrush was shut down;

[0015] Step S120: Control the vibration frequency of the motor to gradually increase within a first preset time period until the motor vibrates in a vibration mode specified by the current brushing mode to drive the brush handle connected to the motor to vibrate.

[0016] Through the above-mentioned method, the present application has at least two beneficial effects. On the one hand, in the start-up drive step, the current brushing mode can be automatically set to the last brushing mode before the electric toothbrush was shut down, which is more in line with the user's usage habits, thereby improving the convenience of using the electric toothbrush. On the other hand, in the start-up step, by controlling the vibration frequency of the motor to gradually increase within the first preset time, it is helpful to reduce large-area splashing of water stains, thereby improving the convenience of using the electric toothbrush. Therefore, the present application can improve the convenience of using the electric toothbrush.

[0017] Optionally, the electric toothbrush includes a mode light, a mouth light and an eye light, wherein the mouth light forms a mouth-shaped luminous area when lit; and the eye light forms an eye-shaped luminous area when lit. Optionally, the eye shape may be a waist-shaped circle but is not limited thereto, and the mouth shape may be a waist-shaped circle with a downward bend in the middle but is not limited thereto. Optionally, the mouth-shaped luminous area formed by the mouth light when lit and the eye-shaped luminous areas formed by the two eye lights when lit form the shape of a smiling expression.

[0018] Optionally, before the step of controlling the vibration frequency of the motor to gradually increase within a first preset time period, the power-on startup step further includes step S100.

[0019] Step S100: Controlling the sending of a power-on prompt message to indicate to the user that the electric toothbrush is being powered on.

[0020] Sending out the power-on prompt information includes a first step, a second step and a third step which are started simultaneously or successively.

[0021] The first step includes controlling the mode light to light up and alternately display three mode indication colors and then stay at the mode indication color corresponding to the current brushing mode.

[0022] Specifically, the three mode indication colors are used to respectively indicate the three brushing modes, and each brushing mode corresponds to a mode indication color. The mode indication color corresponding to the current brushing mode may be one of the three mode indication colors. By way of example and not limitation, the three mode indication colors may be cyan, blue and green, respectively. In the first step, cyan, blue and green may each be displayed for 0.5s to 1s, but are not limited thereto. Optionally, in the first step, cyan, blue and green may each be displayed for 0.5s, 0.7s or 1s, but are not limited thereto. Cyan, blue and green may correspond to different brushing modes, respectively, and the mode indication color corresponding to the current brushing mode may be one of cyan, blue and green.

[0023] The second step includes controlling the mouth light to light up and display a first color and controlling the mouth light to stay on.

[0024] Specifically, the first color may be white, but is not limited thereto. In other examples, the first color may also be other colors.

[0025] The third step includes the first sub-step and the second sub-step which are started at the same time. The first sub-step includes controlling the mouth light to light up. The second sub-step includes first controlling the eye light to flash three times, and then controlling the eye light to light up and display the first color and stay on.

[0026] Controlling the eye light to flash three times includes a first flash, a second flash, and a third flash. The first flash is to control the eye light to light up and display the first color for the second preset time and then turn off for the third preset time. The second flash is to control the eye light to light up and display the second color for the second preset time and then turn off for the third preset time. The third flash is to control the eye light to light up and display the first color for the second preset time and then turn off for the third preset time.

[0027] Optionally, the second preset duration is 0.4-0.8s, and the third preset duration is 0.2-0.5s, but not limited thereto. Optionally, the first preset duration is 0.4s, 0.6s or 0.8s, and the second preset duration is 0.2s, 0.3s or 0.5s. Optionally, the first color may be white, and the second color may be green, but not limited thereto.

[0028] Optionally, the electric toothbrush is preset with four brushing time thresholds, of which the first three brushing time thresholds are controlled for zone change reminders, and the fourth brushing time threshold is used to control the end of brushing; after the power-on task is completed, the brushing step is entered, and the brushing step includes: maintaining the motor to vibrate in the vibration mode specified by the current brushing mode and recording the current brushing time; when the current brushing time reaches any one of the first three brushing time thresholds, controlling the mode light, mouth light, eye light and motor to issue a zone change reminder message to provide a zone change reminder; after issuing the zone change reminder message, controlling the motor to vibrate in the vibration mode specified by the current brushing mode; and when the current brushing time reaches the fourth brushing time threshold, controlling the mode light, mouth light and eye light to issue a reminder message of the end of brushing; and controlling the motor to stop moving after issuing the reminder message of the end of brushing.

[0029] Through the above method, the zone change reminder information can remind the user to switch the brushing area of ​​the brush handle in time to avoid brushing in the same area for a long time and causing wear on the teeth.

[0030] Specifically, the four brushing time thresholds may be a first brushing time threshold, a second brushing time threshold, a third brushing time threshold and a fourth brushing time threshold.

[0031] The first brushing time threshold may be 25 to 35 seconds. For example, the first brushing time threshold may be 25 seconds, 30 seconds or 35 seconds, but is not limited thereto. The second brushing time threshold may be 55 to 65 seconds. For example, the second brushing time threshold is 55 seconds, 60 seconds or 65 seconds, but is not limited thereto. The third brushing time threshold may be 85 to 95 seconds. For example, the third brushing time threshold is 85 seconds, 90 seconds or 95 seconds. The fourth brushing time threshold may be 115 to 125 seconds. For example, the fourth brushing time threshold is 115 seconds, 120 seconds or 125 seconds.

[0032] Preferably, the first brushing time threshold is 30 seconds, the second brushing time threshold is 60 seconds, the third brushing time threshold is 90 seconds, and the fourth brushing time threshold is 120 seconds.

[0033] The sending of the zone change reminder information includes the fourth step, the fifth step, the sixth step and the seventh step which are performed successively or simultaneously.

[0034] The fourth step is to control the mode light to flash twice in the mode indication color corresponding to the current brushing mode.

[0035] Optionally, in the fourth step, controlling the mode light to flash twice in a mode indication color corresponding to the current brushing mode may include a fourth flash and a fifth flash.

[0036] The fourth flash may be that the control mode light is lit with the mode indication color corresponding to the current brushing mode for the second preset time and then turned off for the third preset time. The fifth flash may be that the control mode light is lit with the mode indication color corresponding to the current brushing mode for the second preset time and then turned off for the third preset time.

[0037] Optionally, the method for determining the values ​​of the second preset time length and the third preset time length can refer to the relevant records in the previous text and will not be repeated here.

[0038] The fifth step is to control the mouth light to flash twice in the first color.

[0039] Optionally, in the fifth step, controlling the mouth light to flash twice with the first color may be a sixth flash and a seventh flash. The sixth flash may be controlling the first color to light up for a second preset time and then turn off for a third preset time. The seventh flash may be controlling the first color to light up for a second preset time and then turn off for a third preset time.

[0040] Optionally, the method for determining the values ​​of the second preset time length and the third preset time length can refer to the relevant records in the previous text and will not be repeated here.

[0041] The sixth step is to control the eye lights to maintain the original state.

[0042] The seventh step is to control the motor to vibrate at a vibration frequency higher than that specified in the current brushing mode for a fourth preset time period and then switch back to the vibration frequency specified in the current brushing mode.

[0043] Optionally, issuing a reminder message indicating the end of brushing teeth includes the eighth step, the ninth step and the tenth step being performed simultaneously or successively.

[0044] The eighth step is to control the mode light to light up and alternately display the three mode indication colors.

[0045] Specifically, by way of example and not limitation, the three mode indication colors may be cyan, blue, and green, respectively. In the eighth step, cyan, blue, and green may each be displayed for 0.5s to 1s, but not limited thereto. Optionally, in the eighth step, cyan, blue, and green may each be displayed for 0.5s, 0.7s, or 1s, but not limited thereto.

[0046] The first step is to control the mouth light to flash twice with the first color light.

[0047] In the first step, controlling the mouth light to flash twice with the first color may include an eighth flash and a third flash. The eighth flash is to turn on the light with the first color for a second preset time and then turn off the light for a third preset time. The third flash is to turn on the light with the first color for a second preset time and then turn off the light for a third preset time.

[0048] The tenth step is to control the eye lights to flash twice with the second color light.

[0049] In the tenth step, controlling the eye light to flash twice with the second color includes the tenth flash and the eleventh flash. The tenth flash is to light up the second color for the second preset time and then turn off the third preset time. The eleventh flash is to light up the second color for the second preset time and then turn off the third preset time.

[0050] The controller is also used to control the electric toothbrush to enter a brushing pause task when it is powered on and receives a first instruction triggered by the button module being pressed for the fifth preset time period. During the brushing pause task, the controller controls the switching of the current brushing mode among the three brushing modes by receiving a second instruction triggered by the button module being pressed for the fifth preset time period.

[0051] The controller is also used to control the shutdown step when receiving a third instruction triggered by the button module being pressed for a sixth preset time in the power-on state, wherein the fifth preset time is less than the sixth preset time.

[0052] The shutdown steps include the eleventh step, the twelfth step, the thirteenth step and the fourteenth step, which are performed simultaneously or successively. The eleventh step is to turn off the mode light; the twelfth step is to turn off the mouth light after delaying the seventh preset time; the thirteenth step is to turn off the eye light; and the fourteenth step is to stop the motor action.

[0053] The fifth preset time length may be within 0.5s, but is not limited thereto. The sixth preset time length may be 1 to 2.5s, but is not limited thereto. The seventh preset time length is 0.7 to 1.5s, but is not limited thereto. For example, the fifth preset time length may be 0.3s, 0.4s or 0.5s, the sixth preset time length may be 1s, 1.5s, 2s or 2.5s, and the seventh preset time length may be 0.7s, 1s or 1.5s, but is not limited thereto.

[0054] In response to the current brushing mode completing a switch, the control performs the fifteenth step, the sixteenth step, and the seventeenth step simultaneously or successively. The fifteenth step is to control the mode indication color displayed by the mode light to switch to the mode indication color corresponding to the switched brushing mode. The sixteenth step is to control the eye light to flash once in the first color. The seventeenth step is to control the mouth light to flash once in the first color. In this way, the current brushing mode is prompted to complete a switch by a single flash of the eye light and the mouth light.

[0055] The three brushing modes include sweeping mode, care mode and whitening mode.

[0056] The sweeping mode includes controlling the vibration frequency of the motor to switch back and forth between a first frequency and a second frequency, wherein the first frequency is less than the second frequency. The care mode includes controlling the motor to vibrate, and the vibration frequency of the motor is controlled to be the second frequency. The whitening mode includes controlling the motor to vibrate, and the vibration frequency of the motor is controlled to be the first frequency.

[0057] Optionally, the first frequency is 190-210 Hz, and the second frequency is 220 Hz-240 Hz, but not limited thereto. Optionally, the speed of the motor of the first frequency is 23500-2450 r / min, and the speed of the motor of the second frequency is 27000-28000 r / min. Optionally, the duty cycle of the power-on time of the motor corresponding to the sweeping mode, the care mode, and the whitening mode relative to the total time is 25%-35%.

[0058] The electric toothbrush includes a charging module, and the controller is electrically connected to the charging module, and the charging module is used for charging. The controller controls the following operations: obtaining the current power of the electric toothbrush in the power-on state; in response to the current power being less than the first power warning value and greater than the second power warning value, controlling the eye light to issue a low power reminder, and the issuing of the low power reminder includes controlling the eye light to light up in a third color to remind the user to charge in time; in response to the current power being less than the second power warning value, controlling the issuance of an impending shutdown reminder, and controlling the motor to stop running after issuing the impending shutdown reminder. Controlling the issuance of an impending shutdown reminder includes controlling the eye light to flash in a third color. The third color can be red but is not limited to this. The first power warning value is 7% to 13%. The second power warning value is less than 5%.

[0059] Optionally, when receiving an instruction that the key module is triggered in the shutdown state, before executing the startup step, it also includes: in response to the charging module detecting the charging signal, controlling to terminate the startup task. In this way, it is possible to avoid using the electric toothbrush during charging.

[0060] In addition, the controller is also used to control the execution of the following steps: in response to the charging module monitoring the charging signal and the current power is less than the full charge, the eye light is controlled to flash, the mode light is lit and the three mode indication colors are alternately displayed; in response to the charging module monitoring the charging signal and the current power is not less than the full charge, the eye light is controlled to be always on with the second color and the mode light is controlled to alternately display the three mode indication colors.

[0061] In the above manner, various prompt information is formed by using components of different display states of the mode light, eye light and mouth light, which can reduce the requirement for the number of lights used and achieve more prompt effects with fewer lights.

[0062] The above are only implementation methods of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An electric toothbrush, characterized in that: The electric toothbrush includes a controller, a motor and a button module; The controller is used to perform the following steps: When receiving a command that the key module is triggered in the shutdown state, the startup step is executed, and the startup step includes: Set the current brushing mode to the last brushing mode before the electric toothbrush was turned off; And the vibration frequency of the motor is controlled to gradually increase within a first preset time length until the motor vibrates in a vibration mode specified by the current brushing mode to drive the brush handle connected to the motor to vibrate.

2. The electric toothbrush according to claim 1, characterized in that The electric toothbrush includes a mode light, a mouth light and an eye light. Before the step of controlling the vibration frequency of the motor to gradually increase within a first preset time, the power-on step also includes controlling to send a power-on prompt message to indicate to the user that the electric toothbrush is being powered on. The sending of the power-on prompt information includes the first step, the second step and the third step which are started simultaneously or successively; The first step includes controlling the mode light to light up and alternately display three mode indication colors and then stay at the mode indication color corresponding to the current brushing mode; The second step includes controlling the mouth light to light up and display a first color and controlling the mouth light to stay on; The third step includes a first sub-step and a second sub-step that are started simultaneously, the first sub-step includes controlling the mouth light to light up; the second sub-step includes first controlling the eye light to flash three times, and then controlling the eye light to light up and display the first color and stay on; controlling the eye light to flash three times includes a first flash, a second flash, and a third flash; the first flash is controlling the eye light to light up and display the first color for a second preset time and then turn off for a third preset time; The second flash is to control the eye light to light up and display the second color for the second preset time and then turn off for the third preset time; The third flash is to control the eye light to light up and display the first color for the second preset time and then turn off for the third preset time.

3. The electric toothbrush according to claim 2, characterized in that: The electric toothbrush has four preset brushing time thresholds, of which the first three are used to control the zone change reminder, and the fourth is used to control the end of brushing. After the power-on task is completed, the brushing step is entered, which includes: Maintain the motor to vibrate in the manner specified by the current brushing mode and record the current brushing time; When the current brushing time reaches any of the first three brushing time thresholds, the control mode light, mouth light, eye light and motor send out a zone change reminder message to remind the user to change zones; after the zone change reminder message is sent out, the control motor vibrates in the vibration mode specified by the current brushing mode; And when the current brushing time reaches the fourth brushing time threshold, the mode light, the mouth light and the eye light are controlled to send out a reminder message that the brushing is over; after the reminder message that the brushing is over is sent, the motor is controlled to stop moving.

4. The electric toothbrush according to claim 3, characterized in that: Issuing the zone change reminder information includes the fourth step, the fifth step, the sixth step and the seventh step which are performed simultaneously or successively; The fourth step is to control the mode light to flash twice in the mode indication color corresponding to the current brushing mode; The fifth step is to control the mouth light to flash twice in the first color; The sixth step is to control the eye lights to maintain the original state; The seventh step is to control the motor to vibrate at a vibration frequency higher than that specified in the current brushing mode for a fourth preset time period and then switch back to the vibration frequency specified in the current brushing mode.

5. The electric toothbrush according to claim 4, characterized in that: The reminder message for the end of brushing teeth includes the eighth step, the third step and the tenth step which are performed simultaneously or successively: The eighth step is to control the mode light to light up and alternately display three mode indication colors; The first step is to control the mouth light to flash twice with the first color light; The tenth step is to control the eye lights to flash twice with the second color light.

6. The electric toothbrush according to claim 1, characterized in that The controller is also used for, in the power-on state, when receiving a first instruction triggered by the button module being pressed for a fifth preset time, controlling the electric toothbrush to enter a brushing pause task, and in the brushing pause task, when receiving a second instruction triggered by the button module being pressed for a fifth preset time, controlling the switching of the current brushing mode among the three brushing modes; The controller is also used for, in the power-on state, controlling the power-off step when receiving a third instruction triggered by the key module being pressed for a sixth preset time, wherein the fifth preset time is less than the sixth preset time; The shutdown steps include performing the eleventh step, the twelfth step, the thirteenth step and the fourteenth step simultaneously or successively; the eleventh step is to turn off the mode light; the twelfth step is to turn off the mouth light after delaying for the seventh preset time length; the thirteenth step is to turn off the eye light; and the fourteenth step is to stop the motor action.

7. The electric toothbrush according to claim 6, characterized in that The three brushing modes include sweep mode, care mode and whitening mode; The sweeping vibration mode includes controlling the vibration frequency of the motor to switch back and forth between a first frequency and a second frequency, wherein the first frequency is less than the second frequency; The care mode includes controlling the vibration frequency of the motor to be a second frequency; The clean whitening mode includes controlling the vibration frequency of the motor to be a first frequency.

8. The electric toothbrush according to item 7, characterized in that The electric toothbrush includes a charging module, and the controller is electrically connected to the charging module and performs the following operations: Get the current power of the electric toothbrush when it is turned on; In response to the current power being less than the first power warning value and greater than the second power warning value, controlling the eye light to issue a low power reminder, the low power reminder comprising: controlling the eye light to light up in a third color to remind the user to charge in time; And in response to the current power being less than the second power warning value, the control issues a shutdown reminder, and after the shutdown reminder is illuminated, the motor is controlled to stop running, and the control issues the shutdown reminder including controlling the eye lights to flash in a third color.

9. The electric toothbrush according to claim 8, characterized in that The controller is used for controlling the motor to stop running in response to the charging module detecting the charging signal.

10. The electric toothbrush according to claim 9, characterized in that When an instruction that the key module is triggered is received in the shutdown state, before executing the power-on startup step, it also includes: in response to the charging module detecting the charging signal, controlling to terminate the power-on task.