CN217310675U

CN217310675U - Improved electric toothbrush without button start

Info

Publication number: CN217310675U
Application number: CN202220884303.4U
Authority: CN
Inventors: 叶伟强; 杨林
Original assignee: Dongguan Yinfan Life Technology Co ltd
Current assignee: Dongguan Yinfan Life Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-30
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses an electric toothbrush that button start is not had in improved generation, it includes: the toothbrush comprises a toothbrush body, a motor arranged in the toothbrush body, a circuit board arranged in the toothbrush body and spaced from the motor, and a detection control module for controlling the motor to work by detecting the relative distance between the circuit board and the circuit board, wherein the detection control module comprises a control chip, an induction coil arranged on the circuit board and connected with the control chip, and a counting device for counting, the control chip controls the induction coil to perform pulse discharge and generate a magnetic field, and the magnetic field forms eddy current outside the motor and becomes energy. The utility model discloses can realize electric toothbrush's on-off operation through the necessary action when brushing teeth, and needn't operate the button or push away the button, the entry is opened promptly, stops promptly from the mouth, and touch-sensitive device provides the state of awakening up, very big reduction the possibility that the maloperation leads to toothbrush work, it is more intelligent convenient to operate, has strengthened science and technology and has felt and user experience.

Description

Improved electric toothbrush without button start

The technical field is as follows:

the utility model relates to the field of electric toothbrushes, in particular to an improved electric toothbrush without button starting.

Background art:

the electric toothbrush is one kind of toothbrush, and the brush head produces high frequency vibration through the fast rotation or vibration of the motor core to decompose toothpaste into fine foam and clean teeth slit, and the vibration of the brush hair can promote the blood circulation in the mouth and massage gum tissue.

Along with the improvement of living standard of people, more and more electric toothbrush articles are applied to daily life of people, and because the electric toothbrush is convenient to use, the cleaning effect is very ideal, and the electric toothbrush is popular with consumers.

At present, electric toothbrushes on the market are generally controlled by keys, and the control keys are required to be arranged on a shell in a key control mode, so that the waterproof performance is reduced, the keys are easy to fatigue after being used for a long time, and the service life of the toothbrush is shortened.

In view of this, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art and provide an improved electric toothbrush without button starting.

In order to solve the technical problem, the utility model discloses a following technical scheme: this improved generation does not have button start-up electric toothbrush includes: the toothbrush comprises a toothbrush body, a motor arranged in the toothbrush body, a circuit board arranged in the toothbrush body and spaced from the motor, and a detection control module for controlling the work of the motor by detecting the relative distance between the circuit board and the circuit board, wherein the detection control module comprises a control chip, an induction coil arranged on the circuit board and connected with the control chip, and a counting device for counting, the control chip controls the induction coil to perform pulse discharge and generate a magnetic field, and the magnetic field is converted into energy by forming eddy current outside the motor.

Furthermore, in the above technical solution, the counting device is a resonant capacitor and is electrically connected to the induction coil, the control chip controls the induction coil and the resonant capacitor to be intermittently powered on and off, and after the power is off, the energy stored in the induction coil is supplied to the resonant capacitor, so that the resonant capacitor generates harmonic oscillation, and the control chip records the number of pulses.

Further, in the above technical solution, the circuit board is further provided with an induction device for waking up the detection control module.

Furthermore, in the above technical scheme, a support inner frame for supporting the motor is arranged in the toothbrush body, the motor is mounted on the upper portion of the support inner frame, a battery is further mounted on the lower portion of the support inner frame, and the circuit board is fixed on one side of the support inner frame.

Further, in the above technical solution, the sensing device is a touch sensing device and is disposed at the upper end of the circuit board, and a contact surface corresponding to the touch sensing device is disposed on the outer wall of the toothbrush body; the upper end of the motor is provided with a front fixing cover fixedly connected with the inner wall of the toothbrush body, and the lower end of the motor is provided with a rear fixing cover fixedly connected with the support inner frame.

Furthermore, in the above technical scheme, the operating frequency of the induction coil is 20-30KHZ, a detachable brush head is further installed on the toothbrush body, and the motor is connected with the brush head through a driving shaft and drives the brush head to operate; the drive shaft stretches out toothbrush body, just the drive shaft is located this internal pot head of toothbrush is equipped with the buckler, the tail-hood is installed to toothbrush body bottom.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model adopts the technical scheme that an induction coil is arranged at the position of a circuit board opposite to a motor, a counting device connected with the induction coil is arranged on the circuit board, a control chip sends a signal to control the pulse energization work of the induction coil, so that the induction coil realizes pulse charging and discharging, the energy is provided for the counting device in the discharging process of the induction coil, the control chip records the pulse number of the counting device in the energy supply time of the induction coil, whether the relative distance between the motor and the circuit board is changed or not is judged according to the pulse number in unit time, when brushing teeth, a toothbrush body can generate relative displacement between the motor and the circuit board due to the contact reaction force, and further the damping of the induction coil is changed when discharging, thereby the pulse number of the counting device in the unit energy supply time of the induction coil is changed, and the control chip sends a signal to control the motor to start working, and after accomplishing to brush teeth, the toothbrush body loses the atress and leads to recovering initial position between circuit board and the motor, and then sends signal control motor stop work by control chip to realize no button control electric toothbrush and start and stop, consequently, need not to set up the control button again on the handle, improve the seal of handle, promote waterproof performance, and can not lead to the life-span decline because of the service fatigue of button again, promote electric toothbrush's life.

Description of the drawings:

FIG. 1 is an exploded view of the electric toothbrush of the present invention;

FIG. 2 is a schematic view of the electric toothbrush of the present invention in an unstressed state;

FIG. 3 is a schematic view of the electric toothbrush of the present invention in a working state when a force is applied to the electric toothbrush;

fig. 4 is a waveform diagram of the energy stored in the induction coil of the present invention;

fig. 5 is an oscillation waveform diagram of the resonant capacitor after the induction coil is energized;

fig. 6 is a schematic diagram of the first embodiment of the present invention;

fig. 7 is a working principle diagram of the second embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and the accompanying drawings.

Referring to fig. 1-7, an improved push-button-less powered toothbrush is shown, comprising: the toothbrush comprises a toothbrush body 1, a motor 2 arranged in the toothbrush body 1, a circuit board 3 arranged in the toothbrush body 1 and spaced from the motor 2, and a detection control module 4 for controlling the motor 2 to work by detecting the relative distance between the circuit board 3 and the circuit board 3, wherein the detection control module 4 comprises a control chip 41, an induction coil 42 arranged on the circuit board 3 and connected with the control chip 41, and a counting device for counting, the control chip 41 controls the induction coil 42 to discharge in a pulse mode and generate a magnetic field, and the magnetic field forms an eddy current outside the motor 2 and becomes energy. An induction coil 42 is arranged at a position of a circuit board 3 opposite to a motor 2, a counting device connected with the induction coil 42 is arranged on the circuit board 3, a signal sent by a control chip 41 controls the pulse energization work of the induction coil 42, so that the induction coil 42 realizes pulse charging and discharging, energy is provided for the counting device in the discharging process of the induction coil 42, the control chip 41 records the pulse number of the counting device in the energy supply time of the induction coil 42, whether the relative distance between the motor 2 and the circuit board 3 is changed or not is judged according to the pulse number in unit time, the toothbrush body 1 can be subjected to contact reaction force to cause the relative displacement between the motor 2 and the circuit board 3 during tooth brushing, and further the damping of the induction coil 42 is changed during discharging, thereby causing the pulse number of the counting device in the unit energy supply time of the induction coil 42 to be changed, thereby send signal control motor 2 by control chip 41 and begin work, and after accomplishing to brush teeth, toothbrush body 1 loses the atress and leads to recovering initial position between circuit board 3 and the motor 2, and then send signal control motor 2 stop work by control chip 41, thereby realize no button control electric toothbrush and start and stop, consequently, need not to set up the control button again on the handle, improve the seal of handle, promote waterproof performance, and can not lead to the life-span to descend because of the use fatigue of button again, promote electric toothbrush's life.

The counting device is a resonant capacitor and is electrically connected with the induction coil 42, the control chip 41 controls the induction coil 42 and the resonant capacitor to be switched on and off intermittently, and after the power is switched off, the energy stored in the induction coil 42 is supplied to the resonant capacitor, so that the resonant capacitor generates harmonic oscillation, and then the control chip 41 records the pulse frequency. The circuit board 3 is also provided with a plurality of electronic components for assisting the operation of the induction coil 42, the resonance capacitor and the control chip 41, and the electronic components form an auxiliary circuit. When the resonant circuit works, the control chip 41 generates a magnetic field for the switching signals of the induction coil 42 and the resonant capacitor 28Khz, the switch is closed after the induction coil 42 works for 100-300 milliseconds to store energy, and at this time, the energy stored by the induction coil 42 is supplied to the resonant capacitor, so that the resonant capacitor continues to vibrate in a harmonic mode until the energy disappears, and the resonant capacitor stops vibrating. Then the control chip 41 gives the switching signals of the induction coil 42 and the resonant capacitor 28Khz to turn off the switch after the induction coil 42 works for 100-. When the motor 2 is stressed to be closer to the induction coil 42, the damping is larger, the energy attenuation is faster, the number of pulses in unit time is more than that when the motor 2 is far away, and therefore before the energy disappears, the number of pulses in unit time can be tested, the more the number is obtained, the larger the damping is, the closer the motor is, or the duration of disappearance of the magnetic field is tested, and the shorter the duration is, the closer the motor is. On the contrary, when the motor 2 is stressed farther from the induction coil 42, the damping is smaller, the energy attenuation is slower, and the number of pulses in unit time is less than that when the motor 2 is close to, so that whether the electric toothbrush is in contact with teeth to be stressed is detected, and whether the motor 2 needs to work is further judged.

The circuit board 3 is further provided with an induction device 5 for awakening the detection control module 4. When the electric toothbrush works, the toothbrush body 1 needs to be held firstly, and the induction device 5 is contacted with the palm to detect the capacitance of a human body, so that the electric toothbrush is awakened to enter a standby state.

The toothbrush is characterized in that a supporting inner frame 6 used for supporting the motor 2 is arranged in the toothbrush body 1, the motor 2 is mounted on the upper portion of the supporting inner frame 6, a battery 7 is further mounted on the lower portion of the supporting inner frame 6, and the circuit board 3 is fixed on one side of the supporting inner frame 6.

The induction device 5 is a touch induction device and is arranged at the upper end of the circuit board 3, and a contact surface 11 corresponding to the touch induction device 5 is arranged on the outer wall of the toothbrush body 1; the upper end of the motor 2 is provided with a front fixed cover 21 fixedly connected with the inner wall of the toothbrush body 1, and the lower end of the motor 2 is provided with a rear fixed cover 22 fixedly connected with the support inner frame 6.

The working frequency of the induction coil 42 is 20-30KHZ, a detachable brush head 8 is further mounted on the toothbrush body 1, and the motor 2 is connected with the brush head 8 through a driving shaft 20 and drives the brush head 8 to work; the drive shaft 20 extends out the toothbrush body 1, the drive shaft 20 is located one end cover in the toothbrush body 1 is equipped with a waterproof cover 12, and a tail cover 13 is installed at the bottom of the toothbrush body 1.

To sum up, in the use of the present invention, after holding the toothbrush body 1, the sensing device 5 contacts the palm, and further detects that the capacitance of the human body enters the standby state, at this time, the control chip 41, the sensing coil 42 and the resonant capacitor enter the working state, and the control chip 41 records the number of pulses S1 generated by the resonant capacitor in the unit energy supply time of the sensing coil 42; further, when the brush head 8 is extended into the oral cavity to contact with teeth, the brush head is reacted by pressure to the motor 2 to generate deflection, so that the motor 2 is caused to approach the induction coil 42, and the closer the distance between the motor 2 and the induction coil 42 is, the larger the damping applied to the energy supplied to the resonant capacitor by the induction coil 42 is, the faster the energy attenuation is, the control chip 41 records the number S2 of pulses generated by the resonant capacitor in the unit energy supply time of the induction coil 42 at the moment, and the control chip 41 compares the number S2 of the pulses with the number S1 of the pulses; further, when the number of pulses S2 is greater than the number of pulses S1, the control chip 41 sends a signal to operate the motor 2 to drive the brush head 8 to brush teeth, and when the number of pulses S2 is less than the number of pulses S1, the toothbrush enters a switching operation mode, and after completing one operation mode switching, the toothbrush continues to return to the control chip 41 to compare the number of pulses S2 with the number of pulses S1, and after completing one operation switching, the toothbrush body 1 generates a vibration prompt or an indicator light flashing prompt; further, if the number of pulses S2 is greater than the number of pulses S1, the control chip 41 sends a signal to enable the motor 2 to drive the brush head 8 to brush teeth in the working mode, and when the number of pulses S2 is still less than the number of pulses S1, the brush head enters the switching working mode again until the target working mode is switched; further, when the number of pulses S2 detected by the control chip 41 is equal to the number of pulses S1, the process proceeds to the next determination procedure, and determines whether the time when the number of pulses S2 is equal to the number of pulses S1 is within the set time, and when the number of pulses S2 is equal to the number of pulses S1 is within the predetermined time, the process returns to the standby state, and the comparison between the number of pulses S2 and the number of pulses S1 is always maintained, and when the number of pulses S2 is not equal to the number of pulses S1, the process is turned off.

In the above solution, the sensing of the pressure value of the brush head 8 is activated by detecting the entrance of the brush head 8, specifically: according to different relative distances between the motor 2 and the induction coil 42, the number of pulses generated by the resonant capacitor in the induction coil 42 within a unit energy supply time is different, generally, if the distance is closer, the energy supply damping is larger, the energy attenuation is faster, and the number of pulses within a unit time is larger than that of pulses far away from the motor 2, so that before the energy disappears, the number of pulses within a unit time can be tested, and the more the number is obtained, the larger the damping is, the closer the pulse is indicated, or the duration of disappearance of the magnetic field is tested, and the shorter the duration is, the closer the pulse is indicated, and vice versa; therefore, the distance information between the motor 2 and the circuit board 3 in the toothbrush body 1 is obtained, and the sensed brush head pressure information at the entrance of the brush head 8 can be calculated based on the distance information. The utility model discloses can realize electric toothbrush's on-off operation through the necessary action when brushing teeth, and needn't operate the button or push away the button, the entry is opened promptly, stops promptly from the mouth, touch-sensitive device 5 provides the state of awakening up, very big reduction the possibility that the maloperation leads to toothbrush work, it is more intelligent convenient to operate, has strengthened science and technology and has felt and user experience.

Generally, the front surface of the brush head 8 is contacted with teeth to be stressed, so that the motor 2 is close to the circuit board 3, namely, the energy attenuation of the induction coil 42 is more damped, therefore, the number of pulses S2 is greater than the number of pulses S1, and the back surface of the brush head 8 is stressed, so that the motor 2 is far away from the circuit board 3, namely, the energy attenuation of the induction coil 42 is less damped, therefore, the number of pulses S2 is less than the number of pulses S1.

In the utility model discloses in, be in when pulse number S2 under the state that equals pulse number S1, at this moment, brush head 8 and tooth contact have not been atress, perhaps, the atress is very little, perhaps, brush head 2 has broken away from and has contacted with the tooth, and in the time of setting for, electric toothbrush is in standby state, and surpasss the time of setting for, and electric toothbrush then automatic shutdown to save the electric quantity. Certainly, after the toothbrush body 1 is held by hand to activate the electric toothbrush to enter the standby state, if the brush head 8 is not stressed within the set time, that is, the pulse number S2 is not generated, the electric toothbrush is automatically turned off to save the electric quantity. In this embodiment, when the number of pulses S2 is equal to the number of pulses S1, the brush head 8 is not in contact with the teeth, or the force is small, or the brush head 2 is not in contact with the teeth, the electric toothbrush is in a standby state for a predetermined time, and the electric toothbrush is automatically turned off to save power. Certainly, after the toothbrush body 1 is held by hand to activate the electric toothbrush to enter the standby state, if the brush head 8 is not stressed within the set time, that is, the pulse number S2 is not generated, the electric toothbrush is automatically turned off to save the electric quantity. In this embodiment, the standby time is 30S, and meanwhile, when the continuous mode switching time exceeds 30S, the automatic shutdown is performed, so as to prevent the user from being injured due to wrong operation. Secondly, the electric toothbrush is provided with a tooth brushing time limit, the electric toothbrush can be automatically shut down after the motor 2 works for two minutes, the completion of tooth brushing is prompted to a user, the user is prevented from forgetting the time, tooth brushing is carried out for a long time, and the teeth are damaged, especially for old people and children. In this embodiment, the electric toothbrush has at least three modes of operation.

A detection method for button-free starting of an electric toothbrush comprises the following steps: the toothbrush comprises a toothbrush body 1, a control chip 41 arranged on a circuit board 3 in the toothbrush body 1, an induction coil 42 arranged on the circuit board 3 and controlled by the control chip 41 to generate a magnetic field, and a resonant capacitor for counting, wherein the induction coil 42 is controlled by the control chip 41 to work for 100-300 milliseconds and then is closed, and at the moment, the number of pulses S1 of harmonic oscillation of the resonant capacitor in unit time before the energy disappears is recorded; when the brush head 8 on the toothbrush body 1 is stressed in a contact manner, the motor 2 is driven to approach or separate from the circuit board 3, so that the distance between the motor 2 and the induction coil 42 is changed, at the moment, the control chip 41 controls the induction coil 42 to work for 100-300 milliseconds and then to be closed, and the number S2 of pulses of harmonic oscillation of the resonant capacitor in unit time before the energy disappears is recorded; the control chip 41 judges whether the brush head 8 is in contact with the teeth according to the comparison result of the pulse number S2 and the pulse number S1, and then the motor 2 is controlled to start and stop.

Still be provided with on the circuit board 3 and awaken up electric toothbrush through response human electric capacity and carry out induction system 5 of standby state, this induction system 5 is touch induction system, be provided with on the toothbrush body 1 outer wall with contact surface 11 that induction system 5 corresponds, after the user holds toothbrush body 1, by induction system 5 detects human electric capacity activation control chip 41 with induction coil 42 and resonance electric capacity begins to work, makes electric toothbrush get into standby state, by control chip 41 records the pulse number S1 that produces this moment.

The toothbrush is characterized in that a supporting inner frame 6 used for supporting the motor 2 is arranged in the toothbrush body 1, the motor 2 is mounted on the upper portion of the supporting inner frame 6, a battery 7 is further mounted on the lower portion of the supporting inner frame 6, and the circuit board 3 is fixed on one side of the supporting inner frame 6. The induction system 5 is arranged at the upper end of the circuit board 3, the upper end of the motor 2 is provided with a front fixed cover 21 fixedly connected with the inner wall of the toothbrush body 1, and the lower end of the motor 2 is provided with a rear fixed cover 22 fixedly connected with the supporting inner frame 6. The working frequency of the induction coil 42 is 20-30KHZ, the toothbrush body 1 is also provided with a detachable brush head 8, and the motor 2 is connected with the brush head 8 through a driving shaft 20 and drives the brush head 8 to work; the drive shaft 20 extends out the toothbrush body 1, the drive shaft 20 is located one end cover in the toothbrush body 1 is equipped with a waterproof cover 12, and a tail cover 13 is installed at the bottom of the toothbrush body 1.

In one embodiment, when the control chip 41 compares the number of pulses S2 with the number of pulses S1, the motor 2 starts to operate when the number of pulses S2 is greater than the number of pulses S1;

when the number of pulses S2 is less than the number of pulses S1, the next step of judgment is carried out, and whether the time when the number of pulses S2 is less than the number of pulses S1 is within a set time or not is judged;

when the time that the number of pulses S2 is less than the number of pulses S1 is within a specified time, switching the working mode, and when the time that the number of pulses S2 is less than the number of pulses S1 is not within the specified time, returning to the standby state until the induction device 5 does not detect the human body capacitance, and then turning off the device;

after completing the switching of the working mode once, the control chip 41 compares the pulse number S2 with the pulse number S1 again, when the pulse number S2 is greater than the pulse number S1, the motor 2 starts to work in the current working mode, and when the pulse number S2 is less than the pulse number S1, it is determined again whether the time that the pulse number S2 is less than the pulse number S1 is within the set time, if so, the switching working mode is entered again, and if not, the standby state is entered until the shutdown. In this embodiment, the electric toothbrush has at least three modes of operation.

In this embodiment, the standby time is set to 30S, the mode switching time is set to 5S, when the time when the number of pulses S2 is less than the number of pulses S1 reaches 5S, the mode switching is performed, and when the number of pulses S2 is less than the number of pulses S1 all the time, and after four times of mode switching, the time reaches 30S, it is determined that the user has operated incorrectly, and the electric toothbrush is automatically turned off. Therefore, the electric quantity can be saved, and the injury of the user caused by operation errors can be prevented. Secondly, the electric toothbrush is provided with a tooth brushing time limit, the electric toothbrush can be automatically shut down after the motor 2 works for two minutes, the completion of tooth brushing is prompted to a user, the user is prevented from forgetting the time, tooth brushing is carried out for a long time, and the teeth are damaged, especially for old people and children.

In another embodiment, when the control chip 41 compares the current a2 with the number of pulses S1, and the number of pulses S2 is greater than the number of pulses S1, the motor 2 starts to operate;

when the number of pulses S2 is smaller than the number of pulses S1, switching the operation mode, and after completing one mode switching, comparing the number of pulses S2 with the number of pulses S1 again, if the number of pulses S2 is larger than the number of pulses S1, the motor 2 starts to operate in this mode, and if the number of pulses S2 is smaller than the number of pulses S1, switching the operation mode again;

and when the number of pulses S2 is equal to the number of pulses S1, the process proceeds to a next determination procedure, where whether the time when the number of pulses S2 is equal to the number of pulses S1 is within a set time, and when the time when the number of pulses S2 is equal to the number of pulses S1 is within a predetermined time, the process returns to a standby state, the number of pulses S2 is always compared with the number of pulses S1, and when the time when the number of pulses S2 is equal to the number of pulses S1 is not within the predetermined time, the process is turned off.

In this embodiment, when the number of pulses S2 is equal to the number of pulses S1, the brush head 8 is not in contact with the teeth, or the force is small, or the brush head 2 is not in contact with the teeth, the electric toothbrush is in a standby state for a predetermined time, and the electric toothbrush is automatically turned off to save power. Certainly, after the toothbrush body 1 is held by hand to activate the electric toothbrush to enter the standby state, if the brush head 8 is not stressed within the set time, that is, the pulse number S2 is not generated, the electric toothbrush is automatically turned off to save the electric quantity. In this embodiment, the standby time is 30S, and meanwhile, when the continuous mode switching time exceeds 30S, the automatic shutdown is performed, so as to prevent the user from being injured due to wrong operation. Secondly, the electric toothbrush is provided with a tooth brushing time limit, the electric toothbrush can be automatically turned off and shut down after the motor 2 works for two minutes, so that the user is prompted to finish tooth brushing, the user is prevented from forgetting the time, teeth are brushed for a long time, and the teeth are damaged, particularly for the old and children. In this embodiment, the electric toothbrush has at least three modes of operation.

Of course, the above description is only for the specific embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent changes or modifications made by the structure, characteristics and principles according to the claims of the present invention should be included in the claims of the present invention.

Claims

1. An improved push-button-less powered toothbrush, comprising: toothbrush body (1), set up in motor (2) in toothbrush body (1), set up in toothbrush body (1) and with motor (2) spaced apart circuit board (3) and through detecting circuit board (3) with relative distance is in order to control between circuit board (3) detection control module group (4) of motor (2) work, should detect control module group (4) including control chip (41), set up in on circuit board (3) and with induction coil (42) that control chip (41) are connected and the counting assembly who is used for the count, control chip (41) control induction coil (42) pulse discharge and produce magnetic field, this magnetic field in motor (2) appearance becomes the vortex and becomes the energy.

2. An improved push-button activated electric toothbrush as defined in claim 1, wherein: the counting device is a resonance capacitor and is electrically connected with the induction coil (42), the control chip (41) controls the induction coil (42) and the resonance capacitor to be switched on and off intermittently, and energy stored by the induction coil (42) is supplied to the resonance capacitor after the power is off, so that the resonance capacitor generates harmonic oscillation, and the control chip (41) records the pulse frequency.

3. An improved push-button activated electric toothbrush as claimed in claim 2, wherein: and the circuit board (3) is also provided with an induction device (5) for waking up the detection control module (4).

4. An improved push-button activated electric toothbrush as claimed in claim 3, wherein: the toothbrush is characterized in that a supporting inner frame (6) used for supporting the motor (2) is arranged in the toothbrush body (1), the motor (2) is installed on the upper portion of the supporting inner frame (6), a battery (7) is further installed on the lower portion of the supporting inner frame (6), and the circuit board (3) is fixed on one side of the supporting inner frame (6).

5. An improved push-button activated electric toothbrush as claimed in claim 4, wherein: the induction device (5) is a touch induction device and is arranged at the upper end of the circuit board (3), and a contact surface (11) corresponding to the touch induction device (5) is arranged on the outer wall of the toothbrush body (1); the upper end of the motor (2) is provided with a front fixing cover (21) fixedly connected with the inner wall of the toothbrush body (1), and the lower end of the motor (2) is provided with a rear fixing cover (22) fixedly connected with the supporting inner frame (6).

6. An improved push-button less actuated electric toothbrush as claimed in any of claims 1 to 5, wherein: the working frequency of the induction coil (42) is 20-30KHZ, the toothbrush body (1) is also provided with a detachable brush head (8), and the motor (2) is connected with the brush head (8) through a driving shaft (20) and drives the brush head (8) to work; drive shaft (20) stretch out toothbrush body (1), just drive shaft (20) are located an pot head in toothbrush body (1) is equipped with buckler (12), tail-hood (13) are installed to toothbrush body (1) bottom.