CN216908204U - Toothbrush driving device and toothbrush - Google Patents
Toothbrush driving device and toothbrush Download PDFInfo
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- CN216908204U CN216908204U CN202122524750.7U CN202122524750U CN216908204U CN 216908204 U CN216908204 U CN 216908204U CN 202122524750 U CN202122524750 U CN 202122524750U CN 216908204 U CN216908204 U CN 216908204U
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Abstract
The utility model provides a toothbrush driving device and a toothbrush, wherein the toothbrush driving device comprises a control circuit, a first winding driving circuit, a second winding driving circuit, a first motor and a second motor, the control circuit is connected with the first winding driving circuit and the second winding driving circuit, the first winding driving circuit is connected with the first motor, the second winding driving circuit is connected with the second motor, the first motor and the second motor are both suitable for being connected with a toothbrush head of the toothbrush, the first motor is suitable for driving the toothbrush head to move towards a first direction, and the second motor is suitable for driving the toothbrush head to move towards a second direction different from the first direction. The utility model has the beneficial effects that: the toothbrush can be driven to brush teeth in multiple directions so as to improve the cleaning effect.
Description
Technical Field
The utility model relates to the technical field of electric toothbrushes, in particular to a toothbrush driving device and a toothbrush.
Background
In recent years, the application of electric toothbrushes is rapidly increased in the world, the current tooth brushing modes of the electric toothbrushes mainly comprise a motor rotation type mode and a vibration type mode, the brush head is driven to rotate by the motor or the motor vibrates at high frequency to clean the gums, but the transverse and longitudinal cleaning effects on the gums cannot be taken into consideration.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problem of more comprehensive cleaning of gum and teeth.
In order to solve the above problems, the present invention provides a toothbrush driving device, which includes a control circuit, a first winding driving circuit, a second winding driving circuit, a first motor and a second motor, wherein the control circuit is connected to both the first winding driving circuit and the second winding driving circuit, the first winding driving circuit is connected to the first motor, the second winding driving circuit is connected to the second motor, both the first motor and the second motor are suitable for being connected to a toothbrush head of a toothbrush, the first motor is suitable for driving the toothbrush head to move in a first direction, and the second motor is suitable for driving the toothbrush head to move in a second direction different from the first direction.
Toothbrush drive arrangement among this technical scheme, through control circuit output control signal in order to pass through first winding drive circuit and the operation of second motor of second winding drive circuit drive respectively, and then make the work of brush head, wherein first motor and second motor can drive the brush head and move in the equidirectional not, and then realize the operation of brushing teeth, for example, first motor drive brush head transversely stretches out and draws back, the vertical vibration of second motor drive brush head, form the first motion mode of brush of multi-direction combination with this, make the clean effect that can promote the gum tooth.
Furthermore, the toothbrush driving device also comprises a current detection protection circuit, wherein the current detection protection circuit is connected with the control circuit, and the current detection protection circuit is connected with the first winding driving circuit and/or the second winding driving circuit.
Further, the control circuit comprises a single chip microcomputer, the single chip microcomputer comprises at least two groups of control pins, the two groups of control pins are respectively connected with the first winding driving circuit and the second winding driving circuit, and the single chip microcomputer is suitable for outputting PWM control signals through the control pins so as to adjust the frequency and/or the force of the first motor and the second motor.
Furthermore, the toothbrush driving device also comprises a control key circuit, the control key circuit is connected with the single chip microcomputer, and the control key circuit is suitable for enabling the single chip microcomputer to output a frequency adjusting signal and/or a force adjusting signal.
Further, the control key circuit comprises a plurality of first control key circuits, and the plurality of first control key circuits are suitable for enabling the single chip microcomputer to output the frequency adjusting signal, the force adjusting signal, the frequency adjusting signal and the force adjusting signal respectively.
Further, the control key circuit further comprises a second control key circuit, and the second control key circuit is suitable for enabling the single chip microcomputer to output the frequency adjusting signal and the force adjusting signal at different control pins respectively at specific intervals.
Furthermore, the toothbrush driving device further comprises an indicator light circuit, the indicator light circuit comprises a plurality of indicator lights, the indicator lights are respectively connected with a plurality of indicator light pins of the single chip microcomputer, and the first control key circuit and the second control key circuit are further suitable for enabling the single chip microcomputer to output indicator light lightening signals at different indicator light pins.
Further, the toothbrush driving device also comprises a booster circuit, and the booster circuit is connected with the control circuit.
Further, the first motor is a vibration motor, and the second motor is a linear motor.
The utility model also provides a toothbrush comprising the toothbrush driving device.
The toothbrush of the present invention has similar beneficial effects to those of the above-mentioned toothbrush driving device, and will not be described herein again.
Drawings
FIG. 1 is a schematic circuit diagram of a toothbrush driving device according to the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the single chip microcomputer in the utility model;
FIG. 3 is a schematic circuit diagram of a first winding driving circuit according to the present invention;
FIG. 4 is a schematic circuit diagram of a second winding driving circuit according to the present invention;
FIG. 5 is a schematic diagram of a circuit structure of the control key circuit according to the present invention;
FIG. 6 is a schematic diagram of the circuit structure of the indicator light circuit of the present invention;
FIG. 7 is a schematic circuit diagram of the current detection protection circuit of the present invention;
fig. 8 is a schematic circuit diagram of a power supply circuit having a booster circuit according to the present invention.
Description of reference numerals:
1-a control circuit; 2-a first winding drive circuit; 3-a second winding drive circuit; 4-a first motor; 5-a second motor; 6-control the key circuit; 7-indicator light circuit; 8-current detection protection circuit.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
Referring to fig. 1, the present invention provides a toothbrush driving device, which includes a control circuit 1, a first winding driving circuit 2, a second winding driving circuit 3, a first motor 4, and a second motor 5, wherein the control circuit 1 is connected to both the first winding driving circuit 2 and the second winding driving circuit 3, the first winding driving circuit 2 is connected to the first motor 4, the second winding driving circuit 3 is connected to the second motor 5, both the first motor 4 and the second motor 5 are adapted to be connected to a toothbrush head, the first motor 4 is adapted to drive the toothbrush head to move in a first direction, and the second motor 5 is adapted to drive the toothbrush head to move in a second direction different from the first direction.
The toothbrush driving device in the embodiment of the utility model can be applied to an electric toothbrush, which comprises a control circuit 1 and is respectively connected with a first winding driving circuit 2 and a second winding driving circuit 3 so as to be capable of driving a first motor 4 and a second motor 5 to operate through the first winding driving circuit 2 and the second winding driving circuit 3 respectively by outputting control signals, the first motor 4 and the second motor 5 are suitable for being connected with a brush head of the electric toothbrush so as to enable the brush head to work when the first motor 4 and the second motor 5 operate, wherein the first motor 4 can drive the brush head to move towards a first direction, for example, a linear motor is used for transverse direction or vertical direction along the direction of teeth for brushing teeth, correspondingly, the second motor 5 can drive the brush head to move towards a second direction, which is opposite to the first direction, for example, when the first direction is transverse direction, the second direction can be vertical to the first direction, the vertical direction along the direction of the teeth, or the second direction is the circumferential direction, the tangential direction of the circumferential direction is the vertical direction, and the like, so as to form the roughly vertical vibration, and the first motor 4 and the second motor 5 are combined to form the brush head driving in multiple directions, so that the cleaning effect of the teethridge in multiple directions can be improved.
Wherein specifically, first motor 4 is shock dynamo, second motor 5 is linear electric motor, and wherein the direction of vibrations is different with the flexible direction of straight line to realize better clean effect.
In an optional embodiment of the present invention, the control circuit 1 includes a single chip microcomputer, the single chip microcomputer includes at least two sets of control pins, the two sets of control pins are respectively connected to the first winding driving circuit 2 and the second winding driving circuit 3, and the single chip microcomputer is adapted to output a PWM control signal through the control pins to adjust the frequency and/or the strength of the first motor 4 and the second motor 5.
Referring to fig. 2-4, the single chip includes two groups of control pins respectively connected to the first winding driving circuit 2 and the second winding driving circuit 3, so as to output a PWM control signal, control the first winding driving circuit 2 and the second winding driving circuit 3, and further control the first motor 4 and the second motor 5. Specifically, the first winding driving circuit 2 and the second winding driving circuit 3 may respectively receive 4 paths of PWM control signals, wherein two paths of high levels and two paths of low levels. Correspondingly, each group of control pins includes 4 control pins, and as shown in fig. 2 to 4, the control pins 17, 18, 19, and 20 are used to connect the first winding driving circuit 2, and the control pins 21, 22, 23, and 24 are used to connect the second winding driving circuit 3, so as to implement control, and further adjust the frequency or the strength, or adjust the frequency and the strength simultaneously. Therefore, the toothbrush can conveniently brush teeth in different tooth brushing modes, and better tooth brushing experience is achieved.
The first winding driving circuit 2 and the second winding driving circuit 3 may be both H-bridge circuits.
In an optional embodiment of the present invention, the toothbrush driving device further includes a control key circuit 6, the control key circuit 6 is connected to the single chip, and the control key circuit 6 is adapted to enable the single chip to output a frequency adjusting signal and/or a force adjusting signal.
In this embodiment, toothbrush drive arrangement can set up control key circuit 6, makes singlechip output control signal through pressing control key circuit 6's button, specifically, outputs frequency control signal or dynamics regulation signal or simultaneously outputs frequency control signal and dynamics regulation signal to the realization is to the regulation of frequency and dynamics, so that the user controls.
In an optional embodiment of the present invention, the control key circuit 6 includes a plurality of first control key circuits, and the plurality of first control key circuits are adapted to enable the single chip microcomputer to output the frequency adjustment signal, the strength adjustment signal, and the frequency adjustment signal and the strength adjustment signal, respectively.
Referring to fig. 2 and 5, in this embodiment, the control key circuit 6 may include a plurality of control keys capable of being pressed, wherein part of the first control key circuit, such as the control key circuit having keys K1, K2 and K3, is connected to the pins 30, 31 and 32 of the single chip microcomputer, correspondingly, among the physical keys of the toothbrush, the force increasing and decreasing keys and the frequency adjusting key can be used for adjusting the force and frequency, respectively, and the user can adjust the frequency and force output by the motor through the plurality of control key circuits. In an optional embodiment, the single chip microcomputer can simultaneously output the frequency adjusting signal and the force adjusting signal by pressing a key of the first control key circuit, so that the frequency and the force of the motor can be simultaneously adjusted, and the operation is more convenient and faster.
In an optional embodiment of the present invention, the control key circuit 6 further includes a second control key circuit, and the second control key circuit is adapted to enable the single chip microcomputer to output the frequency adjustment signal and the strength adjustment signal at different control pins respectively at specific intervals.
Referring to fig. 2 and 5, in the embodiment, the control key circuit having the key K4 is a second control key circuit, which is connected to the pin 35 of the single chip, the key K4 in the physical keys of the toothbrush can be a working mode adjusting key, and the frequency and the strength can be adjusted at a specific interval by pressing the key of the second control key circuit, so that the tooth brushing mode with gradually changing frequency and strength can be realized, and a better tooth brushing effect can be achieved.
In an optional embodiment of the present invention, the toothbrush driving device further includes an indicator light circuit 7, the indicator light circuit 7 includes a plurality of indicator lights, the plurality of indicator lights are respectively connected to a plurality of indicator light pins of the single chip microcomputer, and the first control key circuit and the second control key circuit are further adapted to enable the single chip microcomputer to output indicator light lighting signals at different indicator light pins.
Referring to fig. 6, in this embodiment, the indicator light circuit 7 includes three indicator lights, i.e., an LED1, an LED2, and an LED3, the three indicator lights are respectively connected to pins 29, 28, and 27 of the single chip, and when the single chip controls the first winding driving circuit 2 and the second winding driving circuit 3 by pressing different keys corresponding to the control key circuit 6, different indicator lights can be operated, so as to remind the user, and the user can know the current working condition of the toothbrush conveniently.
In a specific embodiment, the control key circuit comprises a control key for adjusting the force, a control key for adjusting the frequency and a control key for enabling the single chip microcomputer to adjust the frequency and the force at specific intervals, the three control keys correspond to three indicator lights, and when the control keys are pressed, the corresponding indicator lights are turned on to indicate.
In an alternative embodiment of the present invention, the toothbrush driving device further comprises a current detection protection circuit 8, the current detection protection circuit 8 is connected with the control circuit 1, and the current detection protection circuit 8 is connected with the first winding driving circuit 2 and/or the second winding driving circuit 3.
In this embodiment, the toothbrush driving device further includes a current detection protection circuit 8 to realize current detection during the operation of the motor and feed back the current detection to the control circuit 1, and when an abnormality is detected, the circuit can be protected, such as immediately turning off the toothbrush.
Specifically, referring to fig. 7, the current detection protection circuit 8 is composed of a plurality of circuits, which are respectively connected to the first winding driving circuit 2, the second winding driving circuit 3 and the single chip to implement current detection and feedback, wherein the current detection protection circuit 8 is connected to the analog ground terminals of the 4 first winding driving circuits 2 and the second winding driving circuit 3, that is, to the two AGND1 terminals of the first winding driving circuit 2 and to the two AGND terminals of the second winding driving circuit 3, accordingly, the current detection protection circuit 8 outputs 2 peak currents (Ipeak and Ipeak1) and effective value currents (IRMS and IRMS1) to the single chip, and specifically, the current detection protection circuit 8 is connected to the pins 4, 6, 7 and 8 of the single chip. To perform feedback of the sense current.
In an alternative embodiment of the present invention, the toothbrush driving apparatus further comprises a voltage boosting circuit, and the voltage boosting circuit is connected to the control circuit.
It can be understood that need realize the power supply of each circuit device through the power, on the basis, to the power supply circuit who supplies power, it can prevent battery voltage from falling including boost circuit after the battery is gone up the electricity, if step down to 5V after stepping up 10V with the battery and supply power for the singlechip to this does benefit to power supply and job stabilization nature.
Fig. 8 is a schematic diagram of a power supply circuit with a voltage boosting circuit for supplying power, which can be used in the embodiment of the present invention.
In another embodiment of the present invention, a toothbrush comprises a toothbrush drive device as described above.
The toothbrush of the present invention has similar beneficial effects to those of the above-mentioned toothbrush driving device, and will not be described herein again.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. A toothbrush driving device, characterized by comprising a control circuit (1), a first winding driving circuit (2), a second winding driving circuit (3), a first motor (4) and a second motor (5), wherein the control circuit (1) is connected with the first winding driving circuit (2) and the second winding driving circuit (3), the first winding driving circuit (2) is connected with the first motor (4), the second winding driving circuit (3) is connected with the second motor (5), the first motor (4) and the second motor (5) are both adapted to be connected with a brush head of a toothbrush, the first motor (4) is adapted to drive the brush head to move towards a first direction, and the second motor (5) is adapted to drive the brush head to move towards a second direction different from the first direction.
2. The toothbrush drive according to claim 1, characterized by further comprising a current detection protection circuit (8), the current detection protection circuit (8) being connected with the control circuit (1), and the current detection protection circuit (8) being connected with the first winding drive circuit (2) and/or the second winding drive circuit (3).
3. The toothbrush driving device according to claim 1, wherein the control circuit (1) comprises a single-chip microcomputer, the single-chip microcomputer comprises at least two sets of control pins, the two sets of control pins are respectively connected with the first winding drive circuit (2) and the second winding drive circuit (3), and the single-chip microcomputer is adapted to output PWM control signals through the control pins so as to adjust the frequency and/or the force of the first motor (4) and the second motor (5).
4. The toothbrush driving device according to claim 3, further comprising a control key circuit (6), wherein the control key circuit (6) is connected to the single chip, and the control key circuit (6) is adapted to enable the single chip to output a frequency adjustment signal and/or a force adjustment signal.
5. The toothbrush driving device according to claim 4, wherein the control key circuit (6) comprises a plurality of first control key circuits adapted to cause the single chip microcomputer to output the frequency adjustment signal, the force adjustment signal, and the frequency adjustment signal and the force adjustment signal, respectively.
6. The toothbrush driving device according to claim 5, wherein the control key circuit (6) further comprises a second control key circuit adapted to cause the single chip microcomputer to output the frequency adjustment signal and the force adjustment signal at different control pins at specific intervals, respectively.
7. The toothbrush driving device according to claim 6, further comprising an indicator light circuit (7), wherein the indicator light circuit (7) comprises a plurality of indicator lights, the plurality of indicator lights are respectively connected to a plurality of indicator light pins of the single chip microcomputer, and the first control key circuit and the second control key circuit are further adapted to enable the single chip microcomputer to output indicator light lighting signals at different indicator light pins.
8. The toothbrush driving device according to claim 1, further comprising a boost circuit connected to the control circuit.
9. A toothbrush drive as claimed in any of claims 1 to 8, characterized in that the first motor (4) is a vibrating motor and the second motor (5) is a linear motor.
10. A toothbrush comprising a toothbrush drive as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524750.7U CN216908204U (en) | 2021-10-20 | 2021-10-20 | Toothbrush driving device and toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524750.7U CN216908204U (en) | 2021-10-20 | 2021-10-20 | Toothbrush driving device and toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908204U true CN216908204U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122524750.7U Active CN216908204U (en) | 2021-10-20 | 2021-10-20 | Toothbrush driving device and toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216908204U (en) |
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2021
- 2021-10-20 CN CN202122524750.7U patent/CN216908204U/en active Active
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