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CN114145873A - Intelligent electric toothbrush based on MCU chip and working method thereof - Google Patents

Intelligent electric toothbrush based on MCU chip and working method thereof Download PDF

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Publication number
CN114145873A
CN114145873A CN202111460157.9A CN202111460157A CN114145873A CN 114145873 A CN114145873 A CN 114145873A CN 202111460157 A CN202111460157 A CN 202111460157A CN 114145873 A CN114145873 A CN 114145873A
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CN
China
Prior art keywords
toothbrush
human body
module
motor
circuit
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Pending
Application number
CN202111460157.9A
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Chinese (zh)
Inventor
张金弟
王铭义
杨磊
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Shanghai Holychip Electronic Co ltd
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Shanghai Holychip Electronic Co ltd
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Priority to CN202111460157.9A priority Critical patent/CN114145873A/en
Publication of CN114145873A publication Critical patent/CN114145873A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3481—Vibrating brush body, e.g. by using eccentric weights
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00—Features not otherwise provided for
    • A61C2204/005—Features not otherwise provided for using chip tag or any electronic identification mean, e.g. RFID

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

The invention relates to the technical field of electric toothbrushes, and discloses an intelligent electric toothbrush based on an MCU chip and a working method thereof, namely, a passive tag used for uniquely marking a corresponding toothbrush head is arranged in each separated toothbrush head, and a cylindrical shell, a key module, a human body characteristic acquisition module, a reader module, a motor and a control circuit based on the MCU chip are arranged in a handle body, so that the control circuit can judge whether a current toothbrush user misuses the toothbrush head according to tag information read by the reader module in real time and human body characteristic information acquired by the human body characteristic acquisition module in real time, so that the motor is stopped to drive the current toothbrush head to execute a tooth brushing action when the current toothbrush user misuses the toothbrush head, thereby realizing the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current toothbrush head, effectively preventing the current toothbrush user from continuously misusing the toothbrush head by other people, greatly reduces the risk of infectious diseases, and is convenient for practical application and popularization.

Description

Intelligent electric toothbrush based on MCU chip and working method thereof
Technical Field
The invention belongs to the technical field of electric toothbrushes, and particularly relates to an intelligent electric toothbrush based on an MCU (microprogrammed control unit) chip and a working method thereof.
Background
The electric toothbrush is invented by Philippe-Guy Woog of Swiss doctors, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean teeth gaps, meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity, the electric toothbrush has a massage effect on gum tissues, can more thoroughly remove dental plaque, reduce oral diseases such as gingivitis, periodontal disease, gingival bleeding and the like, and is a popular daily article at present.
As is well known, everyone should use their own dedicated toothbrush, and then the close people should avoid sharing one toothbrush. Because the special toothbrush for the individual even has more bacteria and is originated from the oral cavity of the individual, the individual can not cause diseases as long as the immunity of the individual is normal, and the individual can easily cross-infect when sharing the toothbrush. However, in order to improve the cost performance of the electric toothbrush and attract customers to purchase, at least two separate toothbrush heads are generally configured when a merchant sells the electric toothbrush, so that the customers can allocate one toothbrush head to each family member after purchasing, and the purpose of sharing the motor core is achieved.
A Micro Control Unit (MCU), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer (MCU), is to reduce the frequency and specification of a Central Processing Unit (CPU), and integrate peripheral interfaces such as a memory (memory), a counter (Timer), a USB (Universal Serial Bus), an a/D converter, and even an LCD (Liquid Crystal Display) driving circuit on a Single Chip to form a Chip-level computer, which is used for different applications and different combination controls. Such as mobile phones, PC peripherals and remote controls, to automotive electronics, industrial stepper motors and robot arm controls, etc., see the silhouette of the MCU chip. How to apply the MCU chip to the electric toothbrush and achieve the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current brush head, is a technical problem to be further solved by technical personnel in the field.
Disclosure of Invention
In order to solve the problems that after the existing electric toothbrush is sold, the risk that family members use toothbrush heads of other people by mistake and diseases are easily infected, the invention aims to provide the intelligent electric toothbrush based on the MCU chip and the working method thereof, which can realize the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current toothbrush head in use or not, effectively prevent the current toothbrush user from continuing to use the toothbrush heads of other people by mistake, greatly reduce the risk of diseases and facilitate practical application and popularization.
In a first aspect, the invention provides an intelligent electric toothbrush based on an MCU chip, which comprises a handle body and at least one separated toothbrush head, wherein each separated toothbrush head in the at least one separated toothbrush head can be assembled with the handle body to form a toothbrush respectively, and a passive tag for uniquely marking the corresponding toothbrush head is arranged in each separated toothbrush head;
the handle body comprises a cylindrical shell, a key module, a human body characteristic acquisition module, a reader module, a flexible circuit board and a motor, wherein one end of the cylindrical shell is provided with a shaft hole, the key module and the human body characteristic acquisition module are respectively embedded on the outer surface of the cylindrical shell, the reader module, the flexible circuit board and the motor are respectively arranged in the cylindrical shell, the flexible circuit board is provided with a control circuit based on an MCU chip, and the output end of the motor extends out of the shaft hole so as to be detachably connected with the separated toothbrush head;
the button module is in communication connection with the control circuit and is used for transmitting the generated toothbrush starting instruction to the control circuit;
the human body characteristic acquisition module is in communication connection with the control circuit and is used for transmitting the acquired human body characteristic information to the control circuit;
the reader module is in communication connection with the control circuit and is used for reading a passive tag in the current brush head, acquiring corresponding tag information and transmitting the tag information to the control circuit, wherein the current brush head is a detachable toothbrush head which is detachably connected with the output end of the motor;
the control circuit is in communication connection with the controlled end of the motor and used for judging whether a current toothbrush user misuses the toothbrush head or not according to the tag information read by the reader module in real time and the human body characteristic information acquired by the human body characteristic acquisition module in real time after receiving the toothbrush starting instruction, if so, stopping sending a starting control signal to the motor, otherwise, sending the starting control signal to the motor so as to drive the motor to drive the current toothbrush head to perform the tooth brushing action.
Based on the invention, the scheme of the electric toothbrush capable of automatically identifying whether the current toothbrush user is matched with the current toothbrush head can be provided, namely, a passive tag for uniquely marking the corresponding toothbrush head is arranged in each separated toothbrush head, and a cylindrical shell, a key module, a human body characteristic acquisition module, a reader module, a motor and a control circuit based on an MCU chip are arranged in the handle body, so that the control circuit can judge whether the current toothbrush user misuses the toothbrush head according to tag information read by the reader module in real time and human body characteristic information acquired by the human body characteristic acquisition module in real time, so that the motor is stopped to drive the current toothbrush head to perform a tooth brushing action when the current toothbrush user is matched with the current toothbrush head, and the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current toothbrush head can be realized, effectively prevent present toothbrush user from continuing to use other toothbrush head by mistake, greatly reduced the risk of infectious diseases, be convenient for practical application and popularization.
In one possible design, the handle body further comprises a prompting module, wherein a controlled end of the prompting module is in communication connection with the control circuit.
In one possible design, the handle body further comprises a rechargeable battery and a charging interface, and the flexible circuit board is further provided with a charging and discharging circuit, a voltage stabilizing circuit and a battery electric quantity detection circuit, wherein the rechargeable battery is arranged inside the cylindrical shell, and the charging interface is embedded on the outer surface of the cylindrical shell;
the rechargeable battery is electrically connected with the charging and discharging circuit, the charging and discharging circuit is electrically connected with the charging interface and the voltage stabilizing circuit respectively, and the output end of the voltage stabilizing circuit is electrically connected with the power supply end of the control circuit;
the input end of the battery electric quantity detection circuit is electrically connected with the rechargeable battery, and the output end of the battery electric quantity detection circuit is in communication connection with the input end of the control circuit.
In one possible design, the human body characteristic acquisition module adopts a gas sensor and is embedded on the outer surface of one end of the cylindrical shell, which is close to the toothbrush head.
In one possible design, the reader module comprises a first loop antenna and a reader circuit, wherein the first loop antenna is arranged at one end of the cylindrical shell, close to the toothbrush head, and is arranged coaxially with the shaft hole;
the reader circuit is arranged on the flexible circuit board and electrically connected with the first loop antenna, and the reader circuit is in communication connection with the control circuit.
In one possible design, the passive tag comprises a second loop antenna and a tag circuit, wherein the second loop antenna is arranged at one end of the separated toothbrush head, close to the non-bristle body of the handle body, and is arranged coaxially with the shaft hole;
the label circuit is arranged in the middle of the non-bristle body of the separated toothbrush head and is electrically connected with the second loop antenna.
In one possible design, the reader module adopts an inductive coupling principle, and the reading distance is controlled to be not more than 5cm through an operating frequency selection mode and/or an operating power control mode.
In one possible design, the control circuit adopts an MCU main control chip with the model number HC18P015AO and peripheral circuits thereof.
In a second aspect, the present invention further provides a method for operating an intelligent electric toothbrush, the intelligent electric toothbrush adopts the first aspect or any possible design, the method is performed by a control circuit in the intelligent electric toothbrush and based on an MCU chip, and includes:
after receiving a toothbrush starting instruction transmitted by the key module, starting the reader module to read the passive tag in the current brush head;
after receiving the tag information transmitted by the reader module, searching whether the pre-bound human body characteristic sample information exists in a local storage unit according to the tag information;
if the toothbrush exists, starting a human body characteristic acquisition module to acquire the human body characteristics of the current toothbrush user;
after receiving first human body characteristic information transmitted by the human body characteristic acquisition module, matching and comparing the first human body characteristic information with the human body characteristic sample information to obtain a matching result;
and if the matching result indicates that the toothbrush heads are not matched, judging that the current toothbrush user misuses the toothbrush heads, stopping sending a starting control signal to the motor, otherwise judging that the current toothbrush user does not misuse the toothbrush heads, and sending the starting control signal to the motor so as to drive the current toothbrush head to perform the tooth brushing action through the motor.
In one possible design, after searching whether the pre-bound human body feature sample information exists from the local storage unit according to the tag information, the method further includes:
if not, starting a human body characteristic acquisition module to acquire the human body characteristics of the current toothbrush user;
after receiving second human body characteristic information transmitted by the human body characteristic acquisition module, waiting for the key module to send a new instruction;
after receiving a binding confirmation instruction transmitted by the key module in term, binding and storing the second human body characteristic information and the tag information in the local storage unit so as to take the second human body characteristic information as human body characteristic sample information corresponding to the tag information;
an activation control signal is sent to the motor to drive the currently active brushhead through the motor to perform a brushing action.
The invention has the technical effects that:
(1) the invention provides an electric toothbrush scheme capable of automatically identifying whether a current toothbrush user is matched with a current toothbrush head, namely, a passive tag for uniquely marking the corresponding toothbrush head is arranged in each separated toothbrush head, and a cylindrical shell, a key module, a human body characteristic acquisition module, a reader module, a motor and a control circuit based on an MCU chip are arranged in a handle body, so that the control circuit can judge whether the current toothbrush user misuses the toothbrush head according to tag information read by the reader module in real time and human body characteristic information acquired by the human body characteristic acquisition module in real time, so that the motor is stopped to drive the current toothbrush head to perform a tooth brushing action when the current toothbrush user is matched with the current toothbrush head, and the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current toothbrush head can be realized, effectively prevent present toothbrush user from continuing to use other toothbrush head by mistake, greatly reduced the risk of infectious diseases, be convenient for practical application and popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic sectional view of an intelligent electric toothbrush according to the present invention.
Fig. 2 is a schematic circuit structure diagram of the intelligent electric toothbrush provided by the invention.
Fig. 3 is a flow chart illustrating the working method of the intelligent electric toothbrush provided by the invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely representative of exemplary embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various objects, these objects should not be limited by these terms. These terms are only used to distinguish one object from another. For example, a first object may be referred to as a second object, and similarly, a second object may be referred to as a first object, without departing from the scope of example embodiments of the present invention.
It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone or A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists singly or A and B exist simultaneously; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.
Example one
As shown in fig. 1 to 3, the intelligent electric toothbrush based on the MCU chip provided in this embodiment includes a handle body 1 and at least one detachable toothbrush head 2, wherein each detachable toothbrush head 2 of the at least one detachable toothbrush head 2 can be assembled with the handle body 1 to form a toothbrush, and each detachable toothbrush head 2 is provided with a passive tag 21 for uniquely marking the corresponding toothbrush head; the handle body 1 comprises a cylindrical shell 11, a key module 12, a human body characteristic acquisition module 13, a reader module, a flexible circuit board 15 and a motor 16, wherein a shaft hole is formed in one end of the cylindrical shell 11, the key module 12 and the human body characteristic acquisition module 13 are respectively embedded in the outer surface of the cylindrical shell 11, the reader module, the flexible circuit board 15 and the motor 16 are respectively arranged in the cylindrical shell 11, a control circuit based on an MCU (microprogrammed control unit) chip is arranged on the flexible circuit board 15, and an output end 161 of the motor 16 extends out of the shaft hole so as to be detachably connected with the separated toothbrush head 2; the key module 12 is in communication connection with the control circuit and is used for transmitting the generated toothbrush starting instruction to the control circuit; the human body characteristic acquisition module 13 is in communication connection with the control circuit and is used for transmitting the acquired human body characteristic information to the control circuit; the reader module is in communication connection with the control circuit and is used for reading a passive tag 21 in the current brush head, acquiring corresponding tag information and transmitting the tag information to the control circuit, wherein the current brush head is a detachable toothbrush head 2 which is detachably connected with the output end of the motor 16; the control circuit is in communication connection with the controlled end of the motor 16 and is used for judging whether a current toothbrush user misuses the toothbrush head according to the tag information read by the reader module in real time and the human body characteristic information acquired by the human body characteristic acquisition module 13 in real time after receiving the toothbrush starting instruction, if so, stopping sending a starting control signal to the motor 16, otherwise, sending the starting control signal to the motor 16 so as to drive the current toothbrush head in use to perform the tooth brushing action through the motor 16.
As shown in fig. 1-2, in the specific structure of the intelligent electric toothbrush, the handle body 1 is used for carrying a motor core of the electric toothbrush, so that after the toothbrush is assembled with a certain separated toothbrush head 2, the brush head can generate high-frequency vibration through the quick rotation or vibration of the motor 16, and the purpose of the electric toothbrush is achieved. The mode of assembling the separated toothbrush head 2 and the handle body 1 into the toothbrush can adopt a conventional insertion and matching mode. In the specific structure of the handle body 1, the cylindrical housing 11, the key module 12 and the motor 16 are conventional configurations of an electric toothbrush, for example, the key module 12 is a start/stop key; the human body characteristic acquisition module 13 is used for acquiring and acquiring human body characteristic information of a current toothbrush user, such as information of fingerprints, voiceprints, odor characteristics and the like; the reader module is used for reading a passive tag 21 in a current brush head based on an RFID (Radio Frequency Identification, which is based on the principle that non-contact data communication is carried out between a reader and the tag to achieve the aim of identifying the target) technology, and acquiring corresponding tag information so that the control circuit can identify the current brush head, and in order to ensure the Identification accuracy, the reader module can adopt an inductive coupling principle and enable the reading distance to be not more than 5cm through a working Frequency selection mode and/or a working power control mode so as to prevent reading the separated brush head 2 which is not detachably connected with the output end of the motor 16. The flexible circuit board 15 is used for arranging the control circuit and other circuits based on the MCU chip, and because of its flexible characteristics, it can be installed in the cylindrical housing 11, and the control circuit may be but is not limited to the MCU main control chip with model number HC18P015AO and its peripheral circuits.
The control circuit does intelligent electric toothbrush's intelligent core, can be but not limited to be used for according to by the label information that the ware module read in real time and by the human characteristic information that the real-time collection of human characteristic collection module 13, judge whether misuse toothbrush head of current toothbrush user, so that when yes pause through motor 16 drive the action of brushing teeth is being carried out with the brush head at present to can realize the intelligent purpose whether automatic identification current toothbrush user matches with the brush head at present, effectively prevent current toothbrush user to continue the misuse other people's toothbrush head, greatly reduced infectious diseases's risk, be convenient for practical application and popularization.
Preferably, as shown in fig. 3, the operating method of the intelligent electric toothbrush, which is executed by the control circuit in the intelligent electric toothbrush and based on the MCU chip, includes, but is not limited to, the following steps S1 to S5.
S1, after receiving a toothbrush starting instruction transmitted by the key module 12, starting the reader module to read the passive tag 21 in the current brush head.
And S2, after receiving the tag information transmitted by the reader module, searching whether the pre-bound human body characteristic sample information exists in a local storage unit according to the tag information.
And S3, if the human body characteristics exist, starting the human body characteristic acquisition module 13 to acquire the human body characteristics of the current toothbrush user.
And S4, after receiving the first human body characteristic information transmitted by the human body characteristic acquisition module 13, matching and comparing the first human body characteristic information with the human body characteristic sample information to obtain a matching result.
And S5, if the matching result indicates that the toothbrush heads are not matched, judging that the current toothbrush user misuses the toothbrush head, stopping sending a starting control signal to the motor 16, otherwise judging that the current toothbrush user does not misuse the toothbrush head, and sending the starting control signal to the motor 16 so as to drive the current toothbrush head in use to perform the tooth brushing action through the motor 16.
In the step S2, it is necessary to store tag information and body characteristic sample information in advance, and if there is no body characteristic sample information bound in advance in the local storage unit, it indicates that the current active brushhead has not been allocated to a certain person, and at this time, but not limited to, the current active brushhead may be allocated to the current toothbrush user according to the following steps S21 to S24.
And S21, if the human body characteristics do not exist, starting the human body characteristic acquisition module 13 to acquire the human body characteristics of the current toothbrush user.
And S22, after receiving second human body feature information transmitted by the human body feature acquisition module 13, waiting for the key module 12 to send a new instruction.
And S23, after receiving a binding confirmation instruction transmitted by the key module 12 in term, binding and storing the second human body characteristic information and the label information in the local storage unit so as to take the second human body characteristic information as human body characteristic sample information corresponding to the label information.
S24, sending a starting control signal to the motor 16 so as to drive the current brush head to perform the tooth brushing action through the motor 16.
In step S23, the term may be, for example, within 1 minute.
Preferably, the handle body 1 further comprises a prompt module 17, wherein a controlled end of the prompt module 17 is connected to the control circuit in a communication manner. As shown in figures 1-2, the prompt module 17 is used for sending out prompt information when judging that the current toothbrush user misuses the toothbrush head, so that the current toothbrush user can change the wrong toothbrush head. The prompting module 17 may be, but is not limited to, a warning lamp, a buzzer, an audible and visual alarm, or the like.
Preferably, the handle body 1 further comprises a rechargeable battery 180 and a charging interface 181, and the flexible circuit board 15 is further provided with a charging and discharging circuit, a voltage stabilizing circuit and a battery power detection circuit, wherein the rechargeable battery 180 is arranged inside the cylindrical shell 11, and the charging interface 181 is embedded on the outer surface of the cylindrical shell 11; the rechargeable battery 180 is electrically connected with the charging and discharging circuit, the charging and discharging circuit is electrically connected with the charging interface 181 and the voltage stabilizing circuit respectively, and the output end of the voltage stabilizing circuit is electrically connected with the power supply end of the control circuit; the input end of the battery power detection circuit is electrically connected with the rechargeable battery 180, and the output end of the battery power detection circuit is in communication connection with the input end of the control circuit. As shown in fig. 2, the rechargeable battery 180 is used to provide electric energy for the control circuit, and a large-capacity lithium battery is used, for example, so that the duration of the whole device can reach up to 3 hours, and the rechargeable battery can be repeatedly charged and used. The charge and discharge circuit is used to charge and discharge the rechargeable battery 180 and to protect the normal operation of the charge and discharge process, and can be implemented by using the existing circuit. The charging interface 181 may be embedded in the outer peripheral surface of the cylindrical housing 11 so as to be externally connected to the mains supply, and may be implemented by using an existing conventional interface circuit, for example, a USB (Universal Serial Bus) charging interface. The voltage stabilizing circuit is used for providing adaptive working voltage for the power supply ends of the control circuit and the like, and can also be realized by adopting the existing circuit. The battery power detection circuit is configured to detect the power of the rechargeable battery 180, so that the control circuit can further determine whether the power of the rechargeable battery 180 is lower than an alarm threshold, and if so, send a battery power alarm message through the prompt module 17. In addition, the battery electric quantity detection circuit can be realized by adopting a voltage detection chip with the model of KF2009 and a peripheral circuit thereof.
Preferably, the human body characteristic acquisition module 13 adopts a gas sensor and is embedded on the outer surface of one end of the cylindrical shell 11 close to the toothbrush head. As shown in fig. 1, since the gas sensor is a sensor for detecting gas concentration and components, odor characteristic information emitted from a human body (for example, odor characteristic information in human breath) can be collected, so as to achieve the purpose of collecting human characteristic information, and the user experience can be improved without the need of a human body to perform special actions. Of course, the purpose of collecting the human body characteristic information can also be realized by adopting devices such as a fingerprint collector and the like.
Preferably, the reader module comprises a first loop antenna 141 and a reader circuit, wherein the first loop antenna 141 is arranged at one end of the cylindrical shell 11, which is close to the toothbrush head, and is arranged coaxially with the shaft hole; the reader circuitry is disposed on the flexible circuit board 15 and electrically connected to the first loop antenna 141, the reader circuitry communicatively connected to the control circuitry. As shown in fig. 1, by the aforementioned position design of the reader-side antenna, a reading mode based on an inductive coupling principle can be realized, and the reader module is made to be as close as possible to the passive tag 21 located in the current brush head, so that the reading of the separate toothbrush head 2 which is not detachably connected with the output end of the motor 16 is further avoided, and the identification accuracy is improved.
Preferably, the passive tag 21 comprises a second loop antenna 211 and a tag circuit 212, wherein the second loop antenna 211 is arranged at the end of the separated toothbrush head 2, close to the non-bristle body of the handle body, and is arranged coaxially with the shaft hole; the tag circuit 212 is built in the non-bristle body middle part of the separate toothbrush head 2 and is electrically connected to the second loop antenna 211. As shown in fig. 1, by the aforementioned location design of the tag side antenna, a reading mode based on the inductive coupling principle can be realized, and the passive tag 21 located in the current brush head is located as close as possible to the reader module located in the handle body 1, thereby further avoiding reading the separate brush head 2 which is not detachably connected with the output end of the motor 16, and improving the identification accuracy.
In summary, the intelligent electric toothbrush based on the MCU chip and the working method thereof provided in this embodiment have the following technical effects:
(1) the embodiment provides an electric toothbrush scheme capable of automatically identifying whether a current toothbrush user is matched with a current toothbrush head, namely, a passive tag used for uniquely marking the corresponding toothbrush head is arranged in each separated toothbrush head, and a cylindrical shell, a key module, a human body characteristic acquisition module, a reader module, a motor and a control circuit based on an MCU chip are arranged in a handle body, so that the control circuit can judge whether the current toothbrush user misuses the toothbrush head according to tag information read by the reader module in real time and human body characteristic information acquired by the human body characteristic acquisition module in real time, so that the motor is stopped to drive the current toothbrush head to perform a tooth brushing action if the current toothbrush user is misused, the intelligent purpose of automatically identifying whether the current toothbrush user is matched with the current toothbrush head can be realized, and the current toothbrush user is effectively prevented from misusing the toothbrush head by mistake, greatly reduces the risk of infectious diseases, and is convenient for practical application and popularization.
Finally, it should be noted that the present invention is not limited to the above alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims (10)

1.一种基于MCU芯片的智能电动牙刷，其特征在于，包括有手柄体（1）和至少一个分离式牙刷头（2），其中，所述至少一个分离式牙刷头（2）中的各个分离式牙刷头（2）能够分别与所述手柄体（1）组装成牙刷，所述各个分离式牙刷头（2）分别内置有用于唯一标记对应牙刷头的无源标签（21）；1. An intelligent electric toothbrush based on an MCU chip, characterized by comprising a handle body (1) and at least one separable toothbrush head (2), wherein each of the at least one separable toothbrush head (2) The detachable toothbrush heads (2) can be assembled with the handle body (1) to form a toothbrush, respectively, and each of the detachable toothbrush heads (2) has a built-in passive label (21) for uniquely marking the corresponding toothbrush head; 所述手柄体（1）包括有筒状外壳（11）、按键模块（12）、人体特征采集模块（13）、阅读器模块、柔性电路板（15）和电机（16），其中，所述筒状外壳（11）的一端设置有轴孔，所述按键模块（12）和所述人体特征采集模块（13）分别嵌设在所述筒状外壳（11）的外表面上，所述阅读器模块、所述柔性电路板（15）和所述电机（16）分别设置在所述筒状外壳（11）的内部，所述柔性电路板（15）布置有基于MCU芯片的控制电路，所述电机（16）的输出端（161）伸出所述轴孔，以便可拆卸连接所述分离式牙刷头（2）；The handle body (1) includes a cylindrical casing (11), a button module (12), a human body feature acquisition module (13), a reader module, a flexible circuit board (15) and a motor (16), wherein the One end of the cylindrical shell (11) is provided with a shaft hole, the button module (12) and the human body feature acquisition module (13) are respectively embedded on the outer surface of the cylindrical shell (11), the reading The controller module, the flexible circuit board (15) and the motor (16) are respectively arranged inside the cylindrical casing (11), and the flexible circuit board (15) is arranged with a control circuit based on an MCU chip, so The output end (161) of the motor (16) protrudes out of the shaft hole, so as to be detachably connected to the separate toothbrush head (2); 所述按键模块（12），通信连接所述控制电路，用于将生成的牙刷启动指令传送至所述控制电路；the button module (12), which is communicatively connected to the control circuit, and is used for transmitting the generated toothbrush starting instruction to the control circuit; 所述人体特征采集模块（13），通信连接所述控制电路，用于将采集获取的人体特征信息传送至所述控制电路；The human body feature acquisition module (13) is connected to the control circuit in communication, and is used for transmitting the acquired human body feature information to the control circuit; 所述阅读器模块，通信连接所述控制电路，用于阅读位于当前在用刷头中的无源标签（21），获取对应的标签信息，并将该标签信息传送至所述控制电路，其中，所述当前在用刷头是指当前与所述电机（16）的输出端可拆卸连接的分离式牙刷头（2）；The reader module is communicatively connected to the control circuit, and is used to read the passive tag (21) located in the brush head currently in use, obtain corresponding tag information, and transmit the tag information to the control circuit, wherein , the brush head currently in use refers to a detachable brush head (2) that is currently detachably connected to the output end of the motor (16); 所述控制电路，通信连接所述电机（16）的受控端，用于在收到所述牙刷启动指令后，根据由所述阅读器模块实时阅读的标签信息和由所述人体特征采集模块（13）实时采集的人体特征信息，判断当前牙刷使用者是否误用牙刷头，若是，则中止向所述电机（16）发送启动控制信号，否则向所述电机（16）发送所述启动控制信号，以便通过所述电机（16）驱动所述当前在用刷头执行刷牙动作。The control circuit is communicatively connected to the controlled end of the motor (16), and is used for, after receiving the start instruction of the toothbrush, according to the tag information read in real time by the reader module and the human body feature acquisition module (13) The human body feature information collected in real time is used to determine whether the current toothbrush user misuses the toothbrush head. If so, stop sending the start-up control signal to the motor (16), otherwise send the start-up control signal to the motor (16). signal, so as to drive the brush head currently in use to perform the brushing action through the motor (16). 2.如权利要求1所述的智能电动牙刷，其特征在于，所述手柄体（1）还包括有提示模块（17），其中，所述提示模块（17）的受控端通信连接所述控制电路。2 . The intelligent electric toothbrush according to claim 1 , wherein the handle body ( 1 ) further comprises a prompt module ( 17 ), wherein a controlled end of the prompt module ( 17 ) is communicatively connected to the Control circuit. 3.如权利要求2所述的智能电动牙刷，其特征在于，所述手柄体（1）还包括有可充电电池（180）和充电接口（181），所述柔性电路板（15）上还布置有充放电电路、稳压电路和电池电量检测电路，其中，所述可充电电池（180）设置在所述筒状外壳（11）的内部，所述充电接口（181）嵌设在所述筒状外壳（11）的外表面上；3. The smart electric toothbrush according to claim 2, wherein the handle body (1) further comprises a rechargeable battery (180) and a charging interface (181), and the flexible circuit board (15) further comprises a rechargeable battery (180) and a charging interface (181). A charging and discharging circuit, a voltage stabilizing circuit and a battery quantity detection circuit are arranged, wherein the rechargeable battery (180) is arranged inside the cylindrical casing (11), and the charging interface (181) is embedded in the on the outer surface of the cylindrical casing (11); 所述可充电电池（180）电连接所述充放电电路，所述充放电电路分别电连接所述充电接口（181）和所述稳压电路，所述稳压电路的输出端电连接所述控制电路的供电端；The rechargeable battery (180) is electrically connected to the charging and discharging circuit, the charging and discharging circuit is electrically connected to the charging interface (181) and the voltage regulator circuit respectively, and an output end of the voltage regulator circuit is electrically connected to the voltage regulator circuit. The power supply end of the control circuit; 所述电池电量检测电路的输入端电连接所述可充电电池（180），所述电池电量检测电路的输出端通信连接所述控制电路的输入端。The input end of the battery capacity detection circuit is electrically connected to the rechargeable battery (180), and the output end of the battery capacity detection circuit is communicatively connected to the input end of the control circuit. 4.如权利要求1所述的智能电动牙刷，其特征在于，所述人体特征采集模块（13）采用气敏传感器，并嵌设在所述筒状外壳（11）的且靠近牙刷头的一端外表面上。4. The smart electric toothbrush according to claim 1, characterized in that, the human body feature collection module (13) adopts a gas sensor and is embedded in the end of the cylindrical casing (11) that is close to the toothbrush head external surface. 5.如权利要求1所述的智能电动牙刷，其特征在于，所述阅读器模块包括有第一环形天线（141）和阅读器电路，其中，所述第一环形天线（141）设置在所述筒状外壳（11）的且靠近牙刷头的一端，并与所述轴孔同轴心线设置；5. The smart electric toothbrush according to claim 1, characterized in that, the reader module comprises a first loop antenna (141) and a reader circuit, wherein the first loop antenna (141) is provided at the One end of the cylindrical casing (11) that is close to the toothbrush head is arranged on a coaxial line with the shaft hole; 所述阅读器电路布置在所述柔性电路板（15）上且电连接所述第一环形天线（141），所述阅读器电路通信连接所述控制电路。The reader circuit is arranged on the flexible circuit board (15) and is electrically connected to the first loop antenna (141), and the reader circuit is communicatively connected to the control circuit. 6.如权利要求1所述的智能电动牙刷，其特征在于，所述无源标签（21）包括有第二环形天线（211）和标签电路（212），其中，所述第二环形天线（211）设置在所述分离式牙刷头（2）的且靠近手柄体的非刷毛体一端，并与所述轴孔同轴心线设置；6. The smart electric toothbrush according to claim 1, wherein the passive tag (21) comprises a second loop antenna (211) and a tag circuit (212), wherein the second loop antenna ( 211) is disposed on the non-bristle body end of the detachable toothbrush head (2) and close to the handle body, and is disposed coaxially with the shaft hole; 所述标签电路（212）内置在所述分离式牙刷头（2）的非刷毛体中部，并电连接所述第二环形天线（211）。The tag circuit (212) is built in the middle of the non-bristle body of the detachable toothbrush head (2), and is electrically connected to the second loop antenna (211). 7.如权利要求1所述的智能电动牙刷，其特征在于，所述阅读器模块采用电感耦合原理，并通过工作频率选择方式和/或工作功率控制方式使阅读距离不超过5cm。7 . The smart electric toothbrush according to claim 1 , wherein the reader module adopts the principle of inductive coupling, and the reading distance is not more than 5 cm through the working frequency selection method and/or the working power control method. 8 . 8.如权利要求1所述的智能电动牙刷，其特征在于，所述控制电路采用型号为HC18P015AO的MCU主控芯片及其外围电路。8 . The intelligent electric toothbrush according to claim 1 , wherein the control circuit adopts an MCU main control chip whose model is HC18P015AO and its peripheral circuits. 9 . 9.一种智能电动牙刷的工作方法，其特征在于，所述智能电动牙刷采用如权利要求1～8任意一项所述的智能电动牙刷，所述工作方法由所述智能电动牙刷中的且基于MCU芯片的控制电路执行，包括：9. A working method of an intelligent electric toothbrush, characterized in that, the intelligent electric toothbrush adopts the intelligent electric toothbrush according to any one of claims 1 to 8, and the working method is performed by and among the intelligent electric toothbrushes. MCU chip-based control circuit execution, including: 在收到由按键模块（12）传来的牙刷启动指令后，启用阅读器模块阅读位于当前在用刷头中的无源标签（21）；After receiving the start instruction of the toothbrush transmitted by the button module (12), enable the reader module to read the passive tag (21) located in the brush head currently in use; 在收到由所述阅读器模块传来的标签信息后，根据该标签信息从本地存储单元中查找是否存在预先绑定的人体特征样本信息；After receiving the label information transmitted by the reader module, according to the label information, find out whether there is pre-bound human body feature sample information in the local storage unit; 若存在，则启用人体特征采集模块（13）对当前牙刷使用者进行人体特征采集；If it exists, enable the human body feature collection module (13) to collect the human body features of the current toothbrush user; 在收到由所述人体特征采集模块（13）传来的第一人体特征信息后，对该第一人体特征信息与所述人体特征样本信息进行匹配对比，得到匹配结果；After receiving the first human body feature information transmitted from the human body feature acquisition module (13), matching and comparing the first human body feature information with the human body feature sample information to obtain a matching result; 若所述匹配结果指示不匹配，则判定所述当前牙刷使用者误用牙刷头，中止向电机（16）发送启动控制信号，否则判定所述当前牙刷使用者未误用牙刷头，向所述电机（16）发送所述启动控制信号，以便通过所述电机（16）驱动所述当前在用刷头执行刷牙动作。If the matching result indicates no match, it is determined that the current toothbrush user has misused the toothbrush head, and the sending of the start control signal to the motor (16) is stopped; otherwise, it is determined that the current toothbrush user has not misused the toothbrush head, and the The motor (16) sends the starting control signal, so as to drive the brush head currently in use to perform the brushing action through the motor (16). 10.如权利要求9所述的工作方法，其特征在于，在根据该标签信息从本地存储单元中查找是否存在预先绑定的人体特征样本信息之后，所述方法还包括：10. The working method according to claim 9, wherein after searching whether there is pre-bound human body feature sample information from the local storage unit according to the label information, the method further comprises: 若不存在，则启用人体特征采集模块（13）对当前牙刷使用者进行人体特征采集；If it does not exist, enable the human body feature collection module (13) to collect the human body features of the current toothbrush user; 在收到由所述人体特征采集模块（13）传来的第二人体特征信息后，等待所述按键模块（12）发送新的指令；After receiving the second human body feature information transmitted by the human body feature acquisition module (13), wait for the button module (12) to send a new instruction; 在按期收到由所述按键模块（12）传来的绑定确认指令后，将所述第二人体特征信息与所述标签信息绑定存储在所述本地存储单元，以便将所述第二人体特征信息作为与所述标签信息对应的人体特征样本信息；After receiving the binding confirmation instruction transmitted from the button module (12) on schedule, the second human body feature information and the label information are bound and stored in the local storage unit, so that the second body feature information and the label information are bound and stored in the local storage unit. The human body feature information is used as the human body feature sample information corresponding to the label information; 向电机（16）发送启动控制信号，以便通过所述电机（16）驱动所述当前在用刷头执行刷牙动作。A start control signal is sent to the motor (16), so that the brush head currently in use is driven by the motor (16) to perform the brushing action.
CN202111460157.9A 2021-12-02 2021-12-02 Intelligent electric toothbrush based on MCU chip and working method thereof Pending CN114145873A (en)

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