CN107811722B - Intelligent electric toothbrush, and system and method for acquiring space posture of toothbrush - Google Patents
Intelligent electric toothbrush, and system and method for acquiring space posture of toothbrush Download PDFInfo
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- CN107811722B CN107811722B CN201711229297.9A CN201711229297A CN107811722B CN 107811722 B CN107811722 B CN 107811722B CN 201711229297 A CN201711229297 A CN 201711229297A CN 107811722 B CN107811722 B CN 107811722B
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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
- A61C17/221—Control arrangements therefor
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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
- A61C17/225—Handles or details thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/08—Learning methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
Abstract
The invention discloses an intelligent electric toothbrush, a toothbrush space posture acquisition system and a method, wherein a unified space three-dimensional coordinate system is established for the electric toothbrush and a human face by the method; establishing a reference projection plane of the human face, and calibrating the tooth position of the human body on the reference projection plane; projecting the human face onto a reference projection plane to obtain human face projection; determining a spatial initial position of the toothbrush; projecting the space initial position of the toothbrush on a reference projection plane to obtain the projection of the toothbrush; calculating the relative positions of the face projection and the toothbrush projection on the reference projection plane, and acquiring initial position data of the toothbrush relative to the position of the teeth of the human body; after the toothbrush position is transformed, calculating the transformed projection of the toothbrush position on the reference projection plane; and calculating the relative positions of the face projection and the toothbrush projection on the reference projection plane. The invention realizes the datamation and visualization of the tooth brushing behavior and accurately acquires tooth brushing posture data and real-time data.
Description
Technical Field
The invention relates to the technical field of intelligent toothbrushes, in particular to an intelligent electric toothbrush, and a system and a method for acquiring a toothbrush space posture.
Background
Since the 21 st century, smart devices have gradually entered people's lives, these high-tech elements are not limited to mobile phones and tablet computers, various smart products are coming across the world, the perfection of various APPs greatly simplifies people's lives, and smart phones are just an indiscriminate part of all people's lives. Along with social progress, a lot of people pay more and more attention to body health, and due to the fast pace of urban life and bad living habits, people always neglect to brush teeth because of laziness, often forget to brush teeth, the tooth brushing time is not enough or the tooth brushing action is not standard, so that the oral cavity teeth are not clean, and a lot of oral diseases are caused.
The intelligent electric toothbrush is a novel high-tech toothbrush, can analyze the tooth brushing habits of a user, and displays data on a smart phone through mobile application software. The existing intelligent toothbrush can intelligently acquire simple data information of a user during tooth brushing, cannot acquire accurate tooth brushing posture data, and accurately extracts real-time data of the user during tooth brushing, such as accurately extracting sixteen tooth position partitions.
Disclosure of Invention
The invention aims to provide an intelligent electric toothbrush, a toothbrush space posture acquisition system and a toothbrush space posture acquisition method, which can improve the interactive experience between the toothbrush and a terminal, record the tooth brushing behavior of a user, analyze the tooth brushing effect, realize the datamation and visualization of the tooth brushing behavior, and accurately acquire tooth brushing posture data and real-time data.
In order to achieve the purpose, the technical scheme of the invention is as follows: an intelligent electric toothbrush comprises a toothbrush head and a handle body, wherein a central processing unit is arranged in the handle body, and the toothbrush further comprises a nine-axis gyroscope, a nine-axis accelerometer, a nine-axis geomagnetism meter, a reference surface establishing module, a human face projection module, a toothbrush projection module and a position conversion module; the nine-axis gyroscope is used for acquiring the position, the moving track and the acceleration parameters of the toothbrush; the nine-axis accelerometer is used for acquiring nine-axis acceleration parameters of the toothbrush; the nine-axis geomagnetic meter is connected with the central processing unit and used for acquiring nine-axis magnetic parameters of the toothbrush; the reference surface establishing module is used for establishing a virtual reference plane of the three-dimensional space posture of the projection toothbrush; the human face projection module is connected with the central processing unit, the human face projection module is connected with the reference plane establishing module, and the human face projection module is used for projecting a human face onto a reference plane; the toothbrush projection module is connected with the central processing unit, the toothbrush projection module is connected with the reference plane building module, and the toothbrush projection module is used for projecting a toothbrush onto a reference plane; the position conversion module is connected with the central processing unit, the position conversion module is connected with the face projection module and the toothbrush projection module, and the position conversion module is used for converting the face projection and toothbrush projection relation on the reference plane into the corresponding relation between the toothbrush and the teeth in the oral cavity of the human body.
According to the intelligent electric toothbrush, the central processing unit, the nine-axis gyroscope, the nine-axis accelerometer, the nine-axis geomagnetism meter, the reference surface establishing module, the human face projection module, the toothbrush projection module and the position conversion module are arranged inside the handle body.
As above, the toothbrush further comprises a power supply module, the power supply module is arranged inside the handle body, the power supply module is connected with the central processing unit, and the power supply module is used for providing a power source for the electric toothbrush.
The intelligent electric toothbrush further comprises a Wi-Fi module and a Bluetooth module, wherein the Wi-Fi module and the Bluetooth module are respectively arranged in the handle body, the Wi-Fi module is connected with the central processing unit, the Wi-Fi module is used for connecting the toothbrush to the Internet, and the Bluetooth module is used for connecting the toothbrush with a mobile phone terminal device.
The invention also provides a toothbrush space posture acquisition system, which comprises the electric toothbrush, a mobile terminal, a cloud server and a data screening module, wherein the electric toothbrush and the cloud server are in wireless communication connection, and the electric toothbrush transmits the tooth brushing posture data acquired in the tooth brushing process to the cloud server; the mobile terminal and the cloud server establish a connection relationship through wireless communication, and the mobile terminal is used for receiving tooth brushing posture data messages pushed by a cloud server platform; the data screening module is connected with the cloud server in an establishing mode, and the data screening module is used for conducting accuracy screening on the tooth brushing posture data uploaded to the cloud server.
The toothbrush space posture acquisition system further comprises a deep learning module, the deep learning module is connected with the electric toothbrush, the deep learning module learns the tooth brushing habits of the user according to the daily use data of the user accumulated by the cloud server through a neural network algorithm, and the deep learning module acquires tooth brushing posture data suitable for the oral characteristics of each user.
The invention also provides a toothbrush space posture acquisition method, which is realized by adopting the electric toothbrush and the acquisition system, and comprises the following steps:
the method comprises the following steps: establishing a unified space three-dimensional coordinate system for the toothbrush and the human face by using any point in the space as an origin through an acquisition system;
step two: establishing a reference projection plane alpha of the human face S, and calibrating the orientation of the human teeth on the reference projection plane alpha;
step three: parallelly projecting the human face S onto a reference projection plane alpha to obtain a human face projection S0A parameter;
step four: acquiring a space initial position AB parameter of the toothbrush according to a nine-axis sensor in the toothbrush;
step five: converting the parallel projection of the space initial position AB parameter of the toothbrush to a reference projection plane alpha to obtain the projection A of the toothbrush1B1A parameter;
step six: calculating a face projection S0Parameters and toothbrush projection A1B1Acquiring initial position data of the toothbrush relative to the position of the teeth of the human body according to the relative position parameters of the parameters on the reference projection plane alpha;
step seven: the toothbrush position is converted from AB to CD, and the projection C of the toothbrush position CD on the reference projection plane alpha is calculated1D1A parameter;
step eight: calculating a face projection S0And toothbrush projection C1D1And acquiring dynamic position data of the toothbrush relative to the tooth orientation according to the relative position parameters on the reference projection plane alpha.
In the above method for acquiring spatial pose of toothbrush, in the second step, after the tooth brushing action is performed, the reference projection plane α of the human face S is established through a plurality of tooth brushing actions during the tooth brushing process.
In the second step, before the tooth brushing action is performed, machine learning is performed through a neural network algorithm according to the tooth brushing habit of the user, and a reference projection plane α of the human face S is established.
According to the method for acquiring the space posture of the toothbrush, the initial position data in the step six and the dynamic position data in the step eight are respectively uploaded to the cloud server through the electric toothbrush, and the cloud server screens the accuracy of the toothbrush posture data according to the position data received in real time.
The invention has the following advantages: the invention establishes a unified space three-dimensional coordinate system for the toothbrush and the mobile terminal, establishes a reference projection plane of a human face, carries out orientation calibration on teeth on the reference projection plane, then projects the initial position and the dynamic position of the toothbrush, and acquires accurate attitude data of the toothbrush.
Drawings
FIG. 1 is a schematic view of an intelligent electric toothbrush;
FIG. 2 is a schematic view of a toothbrush spatial pose acquisition system;
FIG. 3 is a schematic diagram of a space posture acquiring method of the toothbrush;
fig. 4 is a projection schematic diagram in the toothbrush space posture acquisition method.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, an intelligent electric toothbrush comprises a brush head and a handle body, wherein a central processing unit 1 is arranged in the handle body, and the toothbrush further comprises a nine-axis gyroscope 2, a nine-axis accelerometer 3, a nine-axis magnetometer 4, a reference plane establishing module 5, a human face projection module 6, a toothbrush projection module 7 and a position conversion module 8; the nine-axis gyroscope 2 is connected with the central processing unit 1, and the nine-axis gyroscope 2 is used for acquiring the position, the moving track and the acceleration parameters of the toothbrush; the nine-axis accelerometer 3 is connected with the central processing unit 1, and the nine-axis accelerometer 3 is used for acquiring nine-axis acceleration parameters of the toothbrush; the nine-axis geomagnetic meter 4 is connected with the central processing unit 1, and the nine-axis geomagnetic meter 4 is used for acquiring nine-axis magnetic parameters of the toothbrush; the reference surface establishing module 5 establishes a connection relation with the central processing unit 1, and the reference surface establishing module 5 is used for establishing a virtual reference plane of the three-dimensional space posture of the projection toothbrush; the human face projection module 6 establishes a connection relation with the central processing unit 1, the human face projection module 6 establishes a connection relation with the reference plane establishing module 5, and the human face projection module 6 is used for projecting a human face onto a reference plane; the toothbrush projection module 7 is connected with the central processing unit 1, the toothbrush projection module 7 is connected with the reference plane establishing module 5, and the toothbrush projection module 7 is used for projecting a toothbrush on a reference plane; the position conversion module 8 establishes a connection relation with the central processing unit 1, the position conversion module 8 establishes a connection relation with the face projection module 6 and the toothbrush projection module 7, and the position conversion module 8 is used for converting the face projection and toothbrush projection relation on the reference plane into a position corresponding relation between the toothbrush and teeth in the oral cavity of the human body.
It should be further noted that the projection involved in the present invention is not an actual projection, but a virtual reference projection plane is established by the posture acquisition system, and the projection relation is converted to the reference projection plane according to the position parameters of the toothbrush or the face, so that the technical problem can be solved according to the vector in the mathematical knowledge.
In an embodiment of the intelligent electric toothbrush, the central processing unit 1, the nine-axis gyroscope 2, the nine-axis accelerometer 3, the nine-axis magnetometer 4, the reference plane establishing module 5, the human face projection module 6, the toothbrush projection module 7 and the position conversion module 8 are disposed inside the handle body.
In one embodiment of the intelligent electric toothbrush, the toothbrush further comprises a power module 9, the power module 9 is arranged inside the handle body, the power module 9 is connected with the central processing unit 1, and the power module 9 is used for providing a power source for the electric toothbrush.
In one embodiment of the intelligent electric toothbrush, the toothbrush further comprises a Wi-Fi module 10 and a Bluetooth module 11, the Wi-Fi module 10 and the Bluetooth module 11 are respectively arranged inside the handle body, the Wi-Fi module 10 and the central processor 1 establish a connection relationship, the Wi-Fi module 10 is used for connecting the toothbrush to the internet, and the Bluetooth module 11 is used for connecting the toothbrush to a mobile phone terminal device.
As shown in fig. 2, the invention further provides a toothbrush space posture acquiring system, the acquiring system includes the above electric toothbrush 15, the acquiring system further includes a mobile terminal 12, a cloud server 13 and a data screening module 14, the electric toothbrush 15 and the cloud server 13 establish a connection relationship through wireless communication, and the electric toothbrush 15 transmits the tooth brushing posture data acquired in the tooth brushing process to the cloud server 13; the mobile terminal 12 and the cloud server 13 establish a connection relationship through wireless communication, and the mobile terminal 12 is used for receiving a tooth brushing posture data message pushed by the cloud server 13 platform; the data screening module 14 establishes a connection relationship with the cloud server 13, and the data screening module 14 is used for performing accuracy screening on the tooth brushing posture data uploaded to the cloud server 13.
In an embodiment of the toothbrush space posture acquiring system, the acquiring system further comprises a deep learning module 16, the deep learning module 16 establishes a connection relationship with the electric toothbrush 15, the deep learning module 16 learns the tooth brushing habits of the user according to the daily use data of the user accumulated by the cloud server 13 through a neural network algorithm, and the deep learning module 16 acquires tooth brushing posture data suitable for the oral characteristics of each user.
As shown in fig. 3 and 4, the invention further provides a toothbrush space posture acquiring method, which is implemented by the acquiring system and adopts the electric toothbrush, and the acquiring method comprises the following steps:
s1: establishing a unified space three-dimensional coordinate system for the toothbrush and the human face by using any point in the space as an origin through an acquisition system;
s2: establishing a reference projection plane alpha of the human face S, and calibrating the orientation of the human teeth on the reference projection plane alpha;
s3: parallelly projecting the human face S onto a reference projection plane alpha to obtain a human face projection S0A parameter;
s4: acquiring a space initial position AB parameter of the toothbrush according to a nine-axis sensor in the toothbrush;
s5: converting the parallel projection of the space initial position AB parameter of the toothbrush to a reference projection plane alpha to obtain the projection A of the toothbrush1B1A parameter;
s6: calculating a face projection S0Parameters and toothbrush projection A1B1Acquiring initial position data of the toothbrush relative to the position of the teeth of the human body according to the relative position parameters of the parameters on the reference projection plane alpha;
s7: the toothbrush position is converted from AB to CD, and the projection C of the toothbrush position CD on the reference projection plane alpha is calculated1D1A parameter;
s8: calculating a face projection S0And toothbrush projection C1D1And acquiring dynamic position data of the toothbrush relative to the tooth orientation according to the relative position parameters on the reference projection plane alpha.
In an embodiment of the method for acquiring spatial orientation of toothbrush, in S2, after the brushing motion is performed, the reference projection plane α of the human face S is established through several brushing motions during the brushing process. Because the relative position of the morphological structure of the oral cavity and the face is determined, a human body always conducts tooth brushing actions around a plurality of faces of the oral cavity in the tooth brushing process, the reference plane of the face of the human body is determined through the relative positions of 2 to 3 faces, and the reference plane can be calculated by recording the directions of 2 to 3 tooth brushing actions after the tooth brushing is started.
In an embodiment of the method for acquiring spatial orientation of toothbrush, in S2, before the brushing motion is performed, machine learning is performed through a neural network algorithm according to the brushing habits of the user, and a reference projection plane α of the human face S is established. Through the neural network algorithm, data are accumulated in daily use of a user, the habit of the user is learned, and the reference plane and the azimuth posture which are suitable for the oral characteristics of each person can be calculated more quickly and accurately in subsequent toothbrush positioning.
In an embodiment of the method for acquiring the spatial posture of the toothbrush, the initial position data in S6 and the dynamic position data in S8 are uploaded to a cloud server through the electric toothbrush, respectively, and the cloud server filters the accuracy of the toothbrush posture data according to the position data received in real time. By the method, real-time accurate data can be obtained from the relative position of the toothbrush and the face in the whole tooth brushing process, so that the orientation of the human teeth is calibrated on the reference projection plane alpha to determine the posture data of the toothbrush and the teeth, the mobile terminal is uploaded to the cloud server platform through application software, the cloud server platform receives the real-time position data and performs screening according to the accuracy of the position data, and the intelligent electric toothbrush is controlled.
The invention obtains the original data of the space position of the toothbrush by arranging a nine-axis sensor (a nine-axis gyroscope, a nine-axis accelerometer and a nine-axis geomagnetism) in the toothbrush, then the tooth position brushed by the toothbrush is calculated according to the method of the invention, the tooth position is accurately divided into sixteen existing tooth positions, the invention establishes a uniform space three-dimensional coordinate system for the toothbrush and the mobile terminal, establishes a reference projection plane of a human face, carries out orientation calibration on the tooth in the reference projection plane, then the initial position and the dynamic position of the toothbrush are projected to obtain the accurate posture data of the toothbrush, the interactive experience between the toothbrush and the terminal can be improved, the tooth brushing behavior of the user is recorded, the tooth brushing effect is analyzed, the data and visualization of the tooth brushing behavior are realized, the tooth brushing posture data and the real-time data are accurately acquired, the oral cavity cleaning effect is improved, and the health of teeth is better improved.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides an intelligence electric toothbrush, the toothbrush is including the brush head and the body of being equipped with central processing unit, its characterized in that with internal portion: the toothbrush also comprises a nine-axis gyroscope, a nine-axis accelerometer, a nine-axis geomagnetic meter, a reference surface establishing module, a human face projection module, a toothbrush projection module and a position conversion module; the nine-axis gyroscope is used for acquiring the position, the moving track and the acceleration parameters of the toothbrush; the nine-axis accelerometer is used for acquiring nine-axis acceleration parameters of the toothbrush; the nine-axis geomagnetic meter is connected with the central processing unit and used for acquiring nine-axis magnetic parameters of the toothbrush; the reference surface establishing module is used for establishing a virtual reference plane of the three-dimensional space posture of the projection toothbrush; the human face projection module is connected with the central processing unit, the human face projection module is connected with the reference plane establishing module, and the human face projection module is used for projecting a human face onto a reference plane; the toothbrush projection module is connected with the central processing unit, the toothbrush projection module is connected with the reference plane building module, and the toothbrush projection module is used for projecting a toothbrush onto a reference plane; the position conversion module is used for converting the relation between the face projection and the toothbrush projection on the reference plane into the corresponding relation between the toothbrush and the teeth in the oral cavity of the human body;
the toothbrush space posture acquisition system comprises a deep learning module, the deep learning module is connected with the electric toothbrush, the deep learning module learns the tooth brushing habits of a user according to daily use data of the user accumulated by the cloud server through a neural network algorithm, and the deep learning module acquires tooth brushing posture data suitable for oral characteristics of each user;
establishing a reference projection plane alpha of the human face S, and calibrating the orientation of the human teeth on the reference projection plane alpha; parallelly projecting the human face S onto a reference projection plane alpha to obtain a human face projection S0A parameter; acquiring the vacancy of the toothbrush according to a nine-axis sensor in the toothbrushThe initial position AB parameter.
2. An intelligent electric toothbrush according to claim 1, wherein: the central processing unit, the nine-axis gyroscope, the nine-axis accelerometer, the nine-axis geomagnetic meter, the reference surface establishing module, the human face projection module, the toothbrush projection module and the position conversion module are arranged inside the handle body.
3. An intelligent electric toothbrush according to claim 1, wherein: the toothbrush also comprises a power supply module, the power supply module is arranged inside the handle body, the power supply module is connected with the central processing unit, and the power supply module is used for providing a power source for the electric toothbrush.
4. An intelligent electric toothbrush according to claim 1, wherein: the toothbrush further comprises a Wi-Fi module and a Bluetooth module, the Wi-Fi module and the Bluetooth module are respectively arranged inside the handle body, the Wi-Fi module and the central processing unit are connected, the Wi-Fi module is used for enabling the toothbrush to be connected to the Internet, and the Bluetooth module is used for enabling the toothbrush to be connected with mobile phone terminal equipment.
5. A toothbrush space posture acquisition system is characterized in that: the acquisition system comprises the electric toothbrush according to any one of claims 1 to 4, and further comprises a mobile terminal, a cloud server and a data screening module, wherein the electric toothbrush and the cloud server are in a connection relationship through wireless communication, and the electric toothbrush transmits the tooth brushing posture data acquired in the tooth brushing process to the cloud server; the mobile terminal and the cloud server establish a connection relationship through wireless communication, and the mobile terminal is used for receiving tooth brushing posture data messages pushed by a cloud server platform; the data screening module is connected with the cloud server in an establishing mode, and the data screening module is used for conducting accuracy screening on the tooth brushing posture data uploaded to the cloud server.
6. A toothbrush space posture acquisition method is characterized in that: the acquisition method comprises the following steps:
the method comprises the following steps: by the toothbrush space posture acquisition system according to claim 5, a unified space three-dimensional coordinate system is established for the toothbrush and the human face by taking any point in the space as an origin;
step two: establishing a reference projection plane alpha of the human face S, and calibrating the orientation of the human teeth on the reference projection plane alpha;
step three: parallelly projecting the human face S onto a reference projection plane alpha to obtain a human face projection S0A parameter;
step four: acquiring a space initial position AB parameter of the toothbrush according to a nine-axis sensor in the toothbrush;
step five: converting the parallel projection of the space initial position AB parameter of the toothbrush to a reference projection plane alpha to obtain the projection A of the toothbrush1B1A parameter;
step six: calculating a face projection S0Parameters and toothbrush projection A1B1Acquiring initial position data of the toothbrush relative to the position of the teeth of the human body according to the relative position parameters of the parameters on the reference projection plane alpha;
step seven: the toothbrush position is converted from AB to CD, and the projection C of the toothbrush position CD on the reference projection plane alpha is calculated1D1A parameter;
step eight: calculating a face projection S0And toothbrush projection C1D1And acquiring dynamic position data of the toothbrush relative to the tooth orientation according to the relative position parameters on the reference projection plane alpha.
7. The method for acquiring the spatial posture of the toothbrush according to claim 6, wherein: in the second step, after the tooth brushing action is executed, a reference projection plane alpha of the human face S is established through a plurality of tooth brushing actions in the tooth brushing process.
8. The method for acquiring the spatial posture of the toothbrush according to claim 7, wherein: in the second step, before the tooth brushing action is executed, machine learning is carried out through a neural network algorithm according to the tooth brushing habit of the user, and a reference projection plane alpha of the human face S is established.
9. The method for acquiring the spatial posture of the toothbrush according to claim 6, wherein: and uploading the initial position data in the sixth step and the dynamic position data in the eighth step to a cloud server through the electric toothbrush respectively, and screening the accuracy of the posture data of the toothbrush by the cloud server according to the position data received in real time.
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| CN108594640A (en) * | 2018-03-28 | 2018-09-28 | 郭剑东 | A kind of intelligent electric frequency conversion toothbrush, control system and method |
| CN109567814B (en) * | 2018-10-22 | 2022-06-28 | 深圳大学 | Classification recognition method, computing device, system and storage medium for tooth brushing action |
| CN110495962A (en) * | 2019-08-26 | 2019-11-26 | 赫比（上海）家用电器产品有限公司 | The method and its toothbrush and equipment of monitoring toothbrush position |
| CN111569240B (en) * | 2020-05-28 | 2021-03-16 | 重庆东登科技有限公司 | Decontamination system for mobile hospital |
| CN112884132A (en) * | 2021-03-19 | 2021-06-01 | 有品国际科技(深圳)有限责任公司 | Tooth brushing detection method and device based on neural network, electric toothbrush and medium |
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