CN211674676U - Intelligent toothbrush control circuit - Google Patents
Intelligent toothbrush control circuit Download PDFInfo
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- CN211674676U CN211674676U CN201922485323.5U CN201922485323U CN211674676U CN 211674676 U CN211674676 U CN 211674676U CN 201922485323 U CN201922485323 U CN 201922485323U CN 211674676 U CN211674676 U CN 211674676U
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Abstract
The utility model discloses an intelligence toothbrush control circuit, include: the motor driving module and the acceleration detection module are respectively connected with the main control module, the motor driving module further comprises a voice prompt module, a power on/off module and a voltage detection module, and the voice prompt module, the power on/off module and the voltage detection module are all connected with the main control module. The utility model discloses can detect the number of times and the direction of brushing teeth, make the user reduce intelligent toothbrush use cost and cultivate the exact habit of brushing teeth, promote user experience's satisfaction.
Description
Technical Field
The utility model belongs to the technical field of the electronic product and specifically relates to an intelligence toothbrush control circuit is related to.
Background
In the 21 st century, health became the global subject, oral health was the focus of consumer interest, many people suffered from oral diseases to varying degrees, and dental care has become a consumption hotspot. With the development of the technology, the intelligent toothbrush is an important member of public health care products, and compared with a common toothbrush, the intelligent toothbrush is more scientific and effective. At present, more consumers hope to carry out necessary guidance prompt and detection on the whole brushing action process in the brushing process so as to more accurately master the brushing process and effect of the consumers, and the demand is more obvious especially for families with children.
At present, most of electric toothbrushes on the market do not have a tooth brushing detection device and a voice prompt function, and a user is reminded to change other parts of teeth by using the pause of vibration only after the toothbrush head finishes specified vibration time according to a program, so that the effect of the vibration stop prompt method in the process is far less good than that of the voice prompt. Although a few high-end brands of toothbrushes have detection sensors and voice reminding functions, the toothbrushes have the advantages that the toothbrushes have the functions of assisting in completing and judging the daily tooth brushing habits of users by means of mobile phone APP, the mobile phone APP is required to be opened to communicate data with the toothbrush in a networking mode during tooth brushing, the toothbrushes are complex to use, matched mobile phones are required to be purchased for children, a Bluetooth module is required to be additionally arranged inside the toothbrushes, and the use cost of the toothbrushes is greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an intelligence toothbrush control circuit can conveniently detect and the pronunciation guide the process of brushing teeth directly perceivedly to promote user experience's satisfaction.
In a first aspect, an embodiment of the present invention provides an intelligent toothbrush control circuit, including:
the device comprises a main control module, a motor driving module and an acceleration detection module, wherein the motor driving module and the acceleration detection module are respectively connected with the main control module;
the voice prompt module is connected with the main control module;
the system also comprises a startup and shutdown module, and the startup and shutdown module is connected with the main control module;
the voltage detection module is connected with the main control module;
the main control module comprises a first main control unit, a second capacitor, a third capacitor, a second switch, an eighth resistor and a light emitting diode, wherein the first end of the second capacitor is connected with the first main control unit, the second end of the second capacitor is grounded, the first end of the third capacitor is connected with the first main control unit, the second end of the third capacitor is grounded, the second capacitor is connected with the third capacitor in parallel, the first end of the second switch is connected with the first main control unit, the first end of the eighth resistor is connected with the first main control unit, the second end of the eighth resistor is connected with the first end of the light emitting diode, and the second end of the light emitting diode is connected with the first main control unit.
The utility model discloses an intelligence toothbrush control circuit has following beneficial effect at least: the intelligent toothbrush has the intelligent level of being capable of detecting the tooth brushing times and directions and prompting the completion condition of each process in a voice mode, a Bluetooth module does not need to be additionally arranged, and a mobile phone application program is not needed, so that the use cost of the intelligent toothbrush is reduced for a user, and the user can be helped to develop a correct tooth brushing habit.
According to the utility model discloses an intelligence toothbrush control circuit of other embodiments, motor drive module includes seventh resistance, fourth electric capacity, third triode and motor, seventh resistance first end is connected the main control unit, seventh resistance second end is connected the base of third triode, the projecting pole of third triode is connected the second end of second switch, the collecting electrode of third triode is connected the motor second end, the first end of fourth electric capacity is connected the motor second end, the fourth electric capacity second end is connected the motor first end, fourth electric capacity second end is still connected emitting diode's second end.
According to the utility model discloses an intelligence toothbrush control circuit of other embodiments, acceleration detection module includes second main control unit, fifth electric capacity and sixth electric capacity, the second main control unit is connected first main control unit, the first end of fifth electric capacity is connected the second main control unit, the second end ground connection of fifth electric capacity, the first end of sixth electric capacity is connected the second main control unit, the second end ground connection of sixth electric capacity.
According to the utility model discloses an intelligence toothbrush control circuit of other embodiments, the voice prompt module includes third main control unit, seventh electric capacity, eighth electric capacity, speaker, the third main control unit is connected first main control unit, the first end of seventh electric capacity the first end of eighth electric capacity is connected the third main control unit, seventh electric capacity second end with eighth electric capacity second end ground connection, the speaker is connected the third main control unit.
According to another embodiment of the present invention, the switch-on/off module comprises a power supply unit, a first transistor, a MOS transistor, a diode, a first resistor, a second resistor, a third resistor, a fourth resistor, and a first switch, wherein the positive electrode of the power supply unit is connected to the first end of the first resistor, the positive electrode of the power supply unit is further connected to the source of the MOS transistor, the second end of the first resistor is connected to the first end of the second resistor, the second end of the first resistor is further connected to the gate of the MOS transistor, the second end of the second resistor is connected to the collector of the first transistor, the second end of the second resistor is further connected to the first end of the diode, the base of the first transistor is connected to the first end of the third resistor, the emitter of the first transistor is grounded, and the second end of the third resistor is connected to the first main control unit, the third end of the diode is further connected with the first end of the fourth resistor, the second end of the diode is connected with the first end of the first switch, the second end of the first switch is grounded, and the second end of the fourth resistor is connected with the first main control unit.
According to the utility model discloses an intelligence toothbrush control circuit of other embodiments, the voltage detection module includes fifth resistance, sixth resistance and first electric capacity, fifth resistance first end is connected the drain electrode of MOS pipe, fifth resistance second end is connected sixth resistance first end with first electric capacity first end, fifth resistance second end still is connected first main control unit, sixth resistance second end with first electric capacity second end ground connection, sixth resistance second end with first electric capacity second end still is connected first main control unit.
Drawings
Fig. 1 is a block diagram of an embodiment of an intelligent toothbrush control circuit according to the present invention;
fig. 2 is a block diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention;
fig. 3 is a block diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention;
fig. 4 is a block diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention;
fig. 5 is a circuit diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention;
fig. 7 is a circuit diagram of another embodiment of an intelligent toothbrush control circuit according to an embodiment of the present invention.
Detailed Description
OTP (one Time Programmable): one memory type of the singlechip is one-time programmable, and after a program is burnt into the singlechip, the program cannot be changed and cleared again.
Pwm (pulse Width modulation): pulse width modulation is an analog control method.
EEPROM (electrically Erasable Programmable read only memory): the electrified erasable programmable read only memory.
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Example 1: referring to fig. 1, a block diagram of an embodiment of an intelligent toothbrush control circuit according to the present invention is shown. The method specifically comprises the following steps: the device comprises a main control module, a motor driving module and an acceleration detection module, wherein the motor driving module and the acceleration detection module are respectively connected with the main control module.
Specifically, referring to fig. 5, the motor driving module includes a seventh resistor 17, a fourth capacitor 34, a third transistor 23 and a motor 71, wherein a first end of the seventh resistor 17 is connected to the first main control unit 10, a second end of the seventh resistor 17 is connected to a base of the third transistor 23, an emitter of the third transistor 23 is connected to a second end of the second switch 52, a collector of the third transistor 23 is connected to a second end of the motor 71, a first end of the fourth capacitor 34 is connected to a second end of the motor 71, a second end of the fourth capacitor 34 is connected to a first end of the motor 71, and a second end of the fourth capacitor 34 is further connected to a second end of the light emitting diode 61.
More specifically, the MT pin of the first main control unit 10 outputs PWM duty pulses to drive the third transistor 23 to be intermittently conducted through the seventh resistor 17, the motor 71 is driven to vibrate synchronously, the vibration strength of the motor 71 can be adjusted by adjusting different PWM duty cycles, the fourth capacitor 34 can eliminate electromagnetic compatibility and provide a high-frequency loop, so as to prevent the motor 71 from breaking down the third transistor 23 due to an excessively high peak.
Specifically, with reference to fig. 6: the acceleration detection module comprises a second main control unit 20, a fifth capacitor 35 and a sixth capacitor 36, wherein the second main control unit 20 is connected with the first main control unit 10, the first end of the fifth capacitor 35 is connected with the second main control unit 20, the second end of the fifth capacitor 35 is grounded, the first end of the sixth capacitor 36 is connected with the second main control unit 20, and the second end of the sixth capacitor 36 is grounded.
More specifically, the acceleration detection module can provide X, Y, Z three-dimensional motion states, including the functions of detecting and identifying the motion direction and the back-and-forth times of tooth brushing, and the second main control unit 20 is respectively connected to the first main control unit 10 through SCL, SDA, ACCEL _ INT1 and ACCEL _ INT2 pins, and performs communication and data reading according to the I2C protocol defined by the second main control unit 20.
This embodiment can realize need not to add bluetooth module or cell-phone networking, can detect the completion conditions such as the number of times of motion, direction of toothbrush to can make statistics of the number of times of using, and provide pronunciation and remind, reach the guide and correctly brush teeth and the change after the toothbrush head number of times of using reaches and remind the effect.
Specifically, with reference to fig. 2 and 7: the voice prompt device further comprises a voice prompt module, and the voice prompt module is connected with the main control module.
Specifically, the voice prompt module includes a third main control unit 30, a seventh capacitor 37, an eighth capacitor 38, and a speaker 81, where the third main control unit 30 is connected to the first main control unit 10, a first end of the seventh capacitor 37 and a first end of the eighth capacitor 38 are connected to the third main control unit 30, a second end of the seventh capacitor 37 and a second end of the eighth capacitor 38 are grounded, and the speaker 81 is connected to the third main control unit 30.
More specifically, various voice prompt contents are stored in the third main control unit 30, and are connected to the first main control unit 10 through the SDA and BUSY pins of the third main control unit 30, the seventh capacitor 37 and the eighth capacitor 38 are filter capacitors at the power supply end of the third main control unit 30, the SDA pin of the first main control unit 10 controls the third main control unit 30 to play which section of voice prompt contents by sending a pulse signal specified by the third main control unit 30, the third main control unit 30 feeds back a current state of successful playing to the first main control unit 10 through the BUSY pin, if the playing is not started, the first main control unit 10 needs to send the pulse signal to the third main control unit 30 again, and until the playing is successful, the level fed back by the BUSY pin of the third main control unit 30 informs the first main control unit 30 of stopping sending the pulse signal.
Specifically, when the user uses the toothbrush, the voice prompt device can send out voice prompt for requesting to replace the toothbrush head after the set number of toothbrush use times is reached; when the toothbrush head is replaced each time, the toothbrush head needs to be started up by pressing the first switch 51 for a long time, then the first switch 51 and the second switch 52 are pressed for a short time, the pressing time does not exceed 3 seconds, the accumulated value of the use times of tooth brushing stored in the built-in memory of the first main control unit 10 is reset, otherwise, the voice prompt device can repeatedly play the voice prompt of replacing the toothbrush head after the toothbrush head is started up each time, and prompts a user to reset the stored data after the toothbrush head is replaced.
The third main control unit 30 may select a voice chip or other devices or chips capable of achieving the effect thereof, as long as the operating voltage range can cover 2V to 5V.
The embodiment can remind the user of the next tooth brushing mode and tooth brushing times in each use, and guide the user to brush teeth correctly. When the number of times of brushing teeth reaches the preset value, the voice is played to remind the user to replace the toothbrush head.
Specifically, referring to fig. 3 and 5, the embodiment 1 further includes a power on/off module, and the power on/off module is connected to the main control module.
Specifically, the switching module includes a power supply unit 91, a first triode 21, an MOS transistor 22, a diode 40, a first resistor 11, a second resistor 12, a third resistor 13, a fourth resistor 14, and a first switch 51, wherein an anode of the power supply unit 91 is connected to a first end of the first resistor 11, an anode of the power supply unit 91 is further connected to a source of the MOS transistor 22, a second end of the first resistor 11 is connected to a first end of the second resistor 12, a second end of the first resistor 11 is further connected to a gate of the MOS transistor 22, a second end of the second resistor 12 is connected to a collector of the first triode 21, a second end of the second resistor 12 is further connected to a first end of the diode 40, a base of the first triode 21 is connected to a first end of the third resistor 13, an emitter of the first triode 21 is grounded, a second end of the third resistor 13 is connected to the first main control unit 10, a third end of the diode 40 is further connected to a first end of the fourth resistor, a second terminal of the diode 40 is connected to a first terminal of the first switch 51, a second terminal of the first switch 51 is grounded, and a second terminal of the fourth resistor 14 is connected to the first main control unit 10.
More specifically, the first switch 51 is used for controlling the power-on/power-off and the adjustment of the tooth brushing vibration strength, wherein the first long-time pressing is the power-on, and the second long-time pressing is the power-off; when the second switch 52 is pressed to enter the electric tooth brushing mode, the MT pin of the first main control unit 10 increases the PWM duty ratio once every short press of the first switch 51, the driving motor increases the first-gear vibration strength, and the circulation starts from the lowest gear again after the highest-gear vibration strength is reached; if the second switch 52 is adjusted in the manual brushing mode, a short press of the first switch 51 does not adjust the vibrating function. When the first switch 51 is pressed, on one hand, the second resistor 12 is grounded through the built-in diode of the diode 40, the gate of the MOS tube 22 is at a low level, and since the first resistor 11 is much larger than the second resistor 12, most of the battery voltage is divided to the first resistor 11 through the voltage division generated on the series loop of the first resistor 11 and the second resistor 12, so as to ensure that the MOS tube 22 has sufficient conduction voltage to conduct, wherein the conduction voltage is the voltage of the gate of the MOS tube 22 relative to the source, the switching tube of the MOS tube 22 is conducted, and the first main control unit 10 is powered on to start working; on the other hand, at this time, the PWR _ Dect detection pin of the first main control unit 10 is grounded through the fourth resistor 14 and the diode inside the diode 40, and the PWR _ Dect pin is at a low level, and when the PWR _ Dect pin is detected to be at a low level for more than 3 seconds after the first main control unit 10 is powered on, the PWR pin outputs a high level to drive the first triode 21 to be conducted through the third resistor 13, so as to maintain the grounding of the second resistor 12, so that the MOS tube 22 can also be continuously conducted after the first switch 51 is released, and the function of self-locking during power-on is realized. And the PWR pin of the first main control unit 10 outputs a low level to turn off the first triode 21 and the MOS transistor 22 by pressing the first switch 51 for more than 3 seconds, so that the first main control unit 10 is completely powered off and powered off.
Specifically, referring to fig. 4 and 5, the device further includes a voltage detection module, and the voltage detection module is connected to the main control module.
Specifically, the voltage detection module includes a fifth resistor 15, a sixth resistor 16 and a first capacitor 31, wherein a first end of the fifth resistor 15 is connected to the drain of the MOS transistor 22, a second end of the fifth resistor 15 is connected to a first end of the sixth resistor 16 and a first end of the first capacitor 31, a second end of the fifth resistor 15 is further connected to the first main control unit 10, a second end of the sixth resistor 16 and a second end of the first capacitor 31 are grounded, and a second end of the sixth resistor 16 and a second end of the first capacitor 31 are further connected to the first main control unit 10.
More specifically, the a/D port of the first main control unit 10 detects the VDD voltage, and when the voltage of the power supply unit 91 is lower than 2.2V, the first main control unit 10 drives the third main control unit 30 to send an alarm voice prompt of "battery is under-voltage and battery replacement is required", and then the PWR pin of the first main control unit 10 outputs a low level to turn off the first triode 21 and the MOS tube 22, so as to automatically shut down the device. The second capacitor 32 and the third capacitor 33 are filter capacitors at the power supply input end of the first main control unit 10, the light emitting diode 61 and the eighth resistor 18 form a work indicating device, the second switch 52 is an electric/manual tooth brushing switching key, a manual tooth brushing mode is defaulted, at this time, after the machine is powered on, the light emitting diode 61 is normally on, the motor 71 does not work, the second main control unit 20 and the third main control unit 30 normally detect tooth brushing and voice reminding, and at this time, the function of adjusting the vibration strength is not performed by pressing the first switch 51 for a short time; after the second switch 52 is pressed for a short time, the motor 71 is started to enter an electric tooth brushing mode, the vibration strength can be adjusted by pressing the first switch 51 for a short time, the light-emitting diode 61 represents the vibration strength of different gears with different speed frequencies indicated by flashing, the vibration function is closed again by pressing the second switch 52 for a short time, the manual tooth brushing mode is returned, the light-emitting diode 61 is normally on again, and the process is repeated in a circulating way, wherein the power supply unit 91 selects 2 dry batteries, the second main control unit 20 can select an acceleration sensor with a working voltage range capable of covering 2V-3.6V, the third main control unit 30 can select any one voice chip with a working voltage range capable of covering 2V-5V, and the motor 71 can be a vibration motor.
The embodiment has a manual mode switching function and an electric mode switching function, is applicable to use habits of different consumers, and improves the satisfaction degree of user experience. The detection of VDD voltage can be realized to can remind and be used for changing the battery or charging at any time, with the use experience that improves the user.
The main control module in the above embodiment specifically includes a first main control unit 10, a second capacitor 32, a third capacitor 33, a second switch 52, an eighth resistor 18, and a light emitting diode 61, wherein a first end of the second capacitor 32 is connected to the first main control unit 10, a second end of the second capacitor 32 is grounded, a first end of the third capacitor 33 is connected to the first main control unit 10, a second end of the third capacitor 33 is grounded, the second capacitor 32 is connected in parallel to the third capacitor 33, a first end of the second switch 52 is connected to the first main control unit 10, a first end of the eighth resistor 18 is connected to the first main control unit 10, a second end of the eighth resistor 18 is connected to a first end of the light emitting diode 61, and a second end of the light emitting diode 61 is connected to the first main control unit 10.
Specifically, for the device type selection in the above embodiment, the first main control unit 10 selects a device with an built-in EEPROM, an a/D port, a built-in a/D reference voltage source, and a PWM output, for example, a single chip microcomputer, has at least 12 available I/O ports, and the operating voltage should cover a voltage range of 2.2V to 3.2V of 2 dry batteries, so that the voltage range of the first main control unit 10 may be selected to be 2.2V to 5.5V, and the model is HT66F004, and the like. The second main control unit 20 can select a triaxial acceleration sensor with a working voltage range of 1.62V to 3.6V and a BMA253 model, and two pins of the first main control unit 10 connected with the SCL and SDA pins of the second main control unit 20 need to be internally provided with pull-up. The third main control unit 30 can select an MC71P-S8 series OTP voice chip with a working voltage of 2V-5.5V, and can directly drive the speaker to sound, and the recording duration is selected according to the voice playing content required by a specific user, generally 30-60 seconds. The motor 71 is an eccentric wheel micro vibration motor with 3V direct current and rated current not more than 0.3A, the first capacitor 31, the second capacitor 32, the fourth capacitor 34, the fifth capacitor 35, the sixth capacitor 36 and the seventh capacitor 37 can be patch capacitors of 100nF/50V, and the third capacitor 33 and the eighth capacitor 38 can be patch capacitors of 22uF/10V packaged by 0805. The loudspeaker 81 is an 8 ohm/0.25W ultrathin type small film loudspeaker with the outer diameter of 20mm, the first resistor 11 can be a 0603 chip resistor with the value of 47K-100K, the second resistor 12 can be a 0603 chip resistor with the value of 200 ohm-1K, the third resistor 13 can be a 0603 chip resistor with the value of 2.2K-4.7K, the fourth resistor 14 can be a 0603 chip resistor with the value of 150 ohm-270 ohm, the fifth resistor 15 and the sixth resistor 16 can be a precise chip resistor with the value of 220K-470K and the error of +/-1%, the light-emitting diode 61 can be a red light, orange light or green light high-brightness light-emitting diode so as to normally emit light when power is supplied at the voltage of 2.2V-3.2V, the eighth resistor 18 can be a 0603 chip resistor with the value of 200 ohm-270 ohm, and the seventh resistor 17 can be a 0603 chip resistor with the value. The MOS tube 22 is a patch P channel MOSFET tube, and can select CJ3401, CJ2301 and other models with the current resistance larger than 2A and the minimum starting voltage lower than 1.5V, the first triode 21 and the third triode 23 are NPN patch triodes, the first triode 21 can select 3904, 8050, 9014 and other models, the third triode 23 can select 8050 patch triodes with the current resistance not lower than 1A and the voltage resistance of 25V, the diode 40 can select BAT54C, BAT70 and the like with built-in double diodes, and the selection types can be set or selected according to practical application scenes.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (6)
1. An intelligent toothbrush control circuit, comprising:
the device comprises a main control module, a motor driving module and an acceleration detection module, wherein the motor driving module and the acceleration detection module are respectively connected with the main control module;
the voice prompt module is connected with the main control module;
the system also comprises a startup and shutdown module, and the startup and shutdown module is connected with the main control module;
the voltage detection module is connected with the main control module;
the main control module comprises a first main control unit, a second capacitor, a third capacitor, a second switch, an eighth resistor and a light emitting diode, wherein the first end of the second capacitor is connected with the first main control unit, the second end of the second capacitor is grounded, the first end of the third capacitor is connected with the first main control unit, the second end of the third capacitor is grounded, the second capacitor is connected with the third capacitor in parallel, the first end of the second switch is connected with the first main control unit, the second end of the second switch is grounded, the first end of the eighth resistor is connected with the first main control unit, the second end of the eighth resistor is connected with the first end of the light emitting diode, and the second end of the light emitting diode is connected with the first main control unit.
2. The intelligent toothbrush control circuit of claim 1, wherein the motor driving module comprises a seventh resistor, a fourth capacitor, a third transistor and a motor, a first end of the seventh resistor is connected to the first main control unit, a second end of the seventh resistor is connected to a base of the third transistor, an emitter of the third transistor is connected to a second end of the second switch, a collector of the third transistor is connected to a second end of the motor, a first end of the fourth capacitor is connected to a second end of the motor, a second end of the fourth capacitor is connected to a first end of the motor, and a second end of the fourth capacitor is further connected to a second end of the light emitting diode.
3. The intelligent toothbrush control circuit of claim 1, wherein the acceleration detection module comprises a second main control unit, a fifth capacitor and a sixth capacitor, the second main control unit is connected to the first main control unit, a first end of the fifth capacitor is connected to the second main control unit, a second end of the fifth capacitor is grounded, a first end of the sixth capacitor is connected to the second main control unit, and a second end of the sixth capacitor is grounded.
4. The intelligent toothbrush control circuit of claim 1, wherein the voice prompt module comprises a third main control unit, a seventh capacitor, an eighth capacitor, and a speaker, the third main control unit is connected to the first main control unit, the seventh capacitor first end and the eighth capacitor first end are connected to the third main control unit, the seventh capacitor second end and the eighth capacitor second end are grounded, and the speaker is connected to the third main control unit.
5. The intelligent toothbrush control circuit according to claim 4, wherein the power on/off module comprises a power supply unit, a first triode, a MOS transistor, a diode, a first resistor, a second resistor, a third resistor, a fourth resistor, and a first switch, wherein the positive electrode of the power supply unit is connected to the first end of the first resistor, the positive electrode of the power supply unit is further connected to the source of the MOS transistor, the second end of the first resistor is connected to the first end of the second resistor, the second end of the first resistor is further connected to the gate of the MOS transistor, the second end of the second resistor is connected to the collector of the first triode, the second end of the second resistor is further connected to the first end of the diode, the base of the first triode is connected to the first end of the third resistor, the emitter of the first triode is grounded, and the second end of the third resistor is connected to the first master control unit, the third end of the diode is further connected with the first end of the fourth resistor, the second end of the diode is connected with the first end of the first switch, the second end of the first switch is grounded, and the second end of the fourth resistor is connected with the first main control unit.
6. The intelligent toothbrush control circuit of claim 5, wherein the voltage detection module comprises a fifth resistor, a sixth resistor and a first capacitor, a first end of the fifth resistor is connected to the drain of the MOS transistor, a second end of the fifth resistor is connected to the first end of the sixth resistor and the first end of the first capacitor, a second end of the fifth resistor is further connected to the first main control unit, a second end of the sixth resistor and the second end of the first capacitor are grounded, and a second end of the sixth resistor and the second end of the first capacitor are further connected to the first main control unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485323.5U CN211674676U (en) | 2019-12-30 | 2019-12-30 | Intelligent toothbrush control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922485323.5U CN211674676U (en) | 2019-12-30 | 2019-12-30 | Intelligent toothbrush control circuit |
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| CN211674676U true CN211674676U (en) | 2020-10-16 |
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| CN201922485323.5U Active CN211674676U (en) | 2019-12-30 | 2019-12-30 | Intelligent toothbrush control circuit |
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2019
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