CN215130632U

CN215130632U - Toothbrush and brush head and body thereof

Info

Publication number: CN215130632U
Application number: CN202120533863.0U
Authority: CN
Inventors: 周庆东; 颜杰; 王文浩; 卢晓莹; 喻治安
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-14
Anticipated expiration: 2031-03-15

Abstract

The embodiment of the utility model discloses a toothbrush and brush head and fuselage thereof, the toothbrush can include brush head and fuselage connected with the detachable mode, the brush head can be provided with the detection position, the detection position is used for setting up the signal unit, the fuselage can be provided with the recognition device, the recognition device can include processing unit and perception unit, wherein the perception unit can be set up to the signal unit on the detection position that perception is detected and whether or not; the processing unit may be configured to identify the type of the brush head according to a sensing result of the sensing unit. According to the embodiment, the brush head type can be judged only by detecting the existence of the signal unit, the scheme is simple, the influence of external interference is not easy to occur, the judgment precision is improved, the misjudgment is not easy to generate, and the user experience is improved.

Description

Toothbrush and brush head and body thereof

Technical Field

The embodiment of the utility model relates to the technical field of household appliances, in particular to a toothbrush, a brush head and a machine body thereof.

Background

At present, the electric toothbrush is gradually widely used, thereby greatly facilitating tooth cleaning and better ensuring oral health. With the abundance of users, an electric toothbrush often has multiple brushhead configurations. The different brush heads are often distinguished by the material and the cloth planting shape of the brush hair, and the corresponding control modes of the different brush heads are also different, so that the recognition of the brush head is the premise of intelligent control of the electric toothbrush with the multiple brush heads.

In the prior art, the type of the brush head is judged by the strength of the magnetic force of the magnet, and the scheme has the following problems:

1. the parameter requirement of the magnet on the accuracy of the magnetic force is increased, a certain requirement is also put forward on the precision of the sensing part, and the implementation is complex.

2. The brush head rotates and deforms during vibration and use, so that magnetic field distribution of the sensing part is greatly influenced, signal disturbance is large, and misjudgment is easy to occur.

3. Along with factors such as vibration, attenuation and beating in the use process, the magnetic force of the magnet is weakened to cause the misjudgment of the brush head, and great influence is generated on the cleaning and experience of a user.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a toothbrush and brush head and fuselage thereof aims at solving among the current scheme and carries out the first type detection of brush through the power of magnet magnetic force, requires high, the scheme is complicated, easily disturbed, easily produces the technical problem of erroneous judgement to magnetic force.

The embodiment of the utility model provides a toothbrush, can include the brush head and the fuselage that connect in order to dismantle the mode, the overhead detection position that can be provided with of brush, the detection position is used for setting up the signal unit, can be provided with recognition device on the fuselage, recognition device can include processing unit and perception unit, wherein:

the sensing unit may be arranged to sense the presence or absence of a signal unit at the detected detection position;

the processing unit may be configured to identify the type of the brush head according to a sensing result of the sensing unit.

In an exemplary embodiment of the present invention, the toothbrush may include a plurality of brush heads of different types, the detection positions of the brush heads of different types are arranged differently, and/or the signal units of the detection positions are arranged differently;

wherein, the different setting modes can include any one or more of the following: the number, location and order of arrangement are different.

In an exemplary embodiment of the present invention, the toothbrush may be an electric toothbrush.

In an exemplary embodiment of the present invention, the sensing unit may be one or more;

when the sensing units are multiple, the multiple sensing units can respectively correspond to one detection position on the brush head, and respectively carry out signal unit identification on the corresponding detection positions;

when the sensing unit is one, the sensing unit can comprise a plurality of contact points, and signal unit identification is carried out on the corresponding detection position through each contact point; or, the sensing unit is arranged on an area where the detection position passes when the brush head moves and/or rotates, and performs signal unit identification on the detection position corresponding to the brush head in the moving and/or rotating process.

In an exemplary embodiment of the present invention, the signal unit may include any one or more of:

an information coating for being detected by the information sensor;

a light transmitting area for providing a light source to the optical signal sensor; and the number of the first and second groups,

a groove/protrusion structure for reflecting the ultrasonic waves emitted from the ultrasonic sensor.

In exemplary embodiments of the present invention, the information coating may include any one or more of:

a metal coating for connection to a capacitive or inductive sensor;

a color coating for detection by the color sensor;

a bright-dark coating for detection by an infrared sensor;

for magnetic coating to be detected by the hall sensor.

In an exemplary embodiment of the present invention, the sensing unit may include any one or more of the following:

an information sensor for detecting the information coating;

an optical signal sensor for detecting a light source provided in the light-transmitting area; and the number of the first and second groups,

an ultrasonic sensor for emitting ultrasonic waves and receiving the ultrasonic waves reflected by the groove/protrusion structure.

In an exemplary embodiment of the present invention, the information sensor may include any one or more of:

a capacitive or inductive sensor for connection to the metal coating;

a color sensor for detecting a color coating;

an infrared sensor for detecting the bright and dark coating;

a hall sensor for detecting a magnetic coating.

In an exemplary embodiment of the present invention, the processing unit may include: a decoder and a main control unit;

the decoder is connected with the sensing unit and can be set to generate a signal which can be identified by the main control unit according to the sensing result of the sensing unit;

the main control unit is connected with the decoder and can be set to determine the type of the brush head placed on the current machine body according to the recognizable signal.

The embodiment of the utility model also provides a brush head of toothbrush, toothbrush can include a plurality of brush heads of different grade type, can be provided with the detection position on the brush head, the detection position can be located on the first connecting portion of brush head, the first connecting portion can be set up to be connected with the fuselage of toothbrush with the detachable mode, the detection position is used for setting up signal unit, and different grade type brush head on the detection position setting mode is different, and/or, the detection position on the setting mode of signal unit is different;

In an exemplary embodiment of the present invention, the detection position may be located on a first contact surface, the first contact surface indicates a surface of the brush head contacted with the body after the brush head is connected with the body.

In an exemplary embodiment of the present invention, the detection positions may be plural, and the plural detection positions may be uniformly distributed on the first contact surface.

The embodiment of the utility model provides a still provide the fuselage of a toothbrush, the fuselage with the brush head of toothbrush is connected with the detachable mode, can be provided with recognition device on the fuselage, recognition device can include processing unit and perception unit, the perception unit can be located on the second connecting portion of fuselage, wherein:

In an exemplary embodiment of the present invention, the sensing unit may be located on a second contact surface, the second contact surface indicates a surface of the body contacted by the second connecting portion after the body is connected to the brush head.

In an exemplary embodiment of the present invention, the sensing unit may be a plurality of sensing units, and the plurality of sensing units correspond to the detection positions on the brush head and may be uniformly distributed on the second contact surface.

The embodiment of the utility model provides an among the technical scheme, this toothbrush can include brush head and fuselage that connect with the detachable mode, the overhead detection position that can be provided with of brush, the detection position is used for setting up the signal unit, can be provided with recognition device on the fuselage, recognition device can include processing unit and perception unit, wherein: the sensing unit may be arranged to sense the presence or absence of a signal unit at the detected detection position; the processing unit may be configured to identify the type of the brush head according to a sensing result of the sensing unit. Through this embodiment scheme, only need detect signal unit have just can carry out brush head type judgement, need not confirm the intensity of signal, the scheme is simple, and is difficult for receiving external disturbance influence, has improved the judgement precision of brush head type, is difficult for producing the erroneous judgement, has improved user experience and has felt.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.

Fig. 1 is a schematic view of a toothbrush according to an embodiment of the present invention.

FIG. 2 is a schematic view of a detection position disposed on a first contact surface of a brush head according to an embodiment of the present invention;

FIG. 3 is a schematic view of the detection position of the embodiment of the present invention disposed on the inner wall of the concave structure of the first connection portion of the brush head;

fig. 4 is a schematic view of the sensing unit disposed on the second contact surface and the sidewall of the body according to the embodiment of the present invention;

FIG. 5 is a schematic view showing the detection positions randomly distributed on the first contact surface of the brush head according to the embodiment of the present invention;

FIG. 6 is a schematic view showing the detection positions of the embodiment of the present invention being uniformly distributed on the first contact surface of the brush head;

FIG. 7 is a schematic view of the detection positions of the embodiment of the present invention arranged on the inner wall of the first connection portion of the brush head along the axial direction;

FIG. 8 is a schematic view of the detection positions of the embodiment of the present invention arranged along the radial direction on the inner wall of the first connection portion of the brush head;

fig. 9 is a schematic view of a first setting manner of the information detection point according to the embodiment of the present invention;

fig. 10 is a schematic diagram illustrating a second arrangement of the information detection point according to the embodiment of the present invention;

fig. 11 is a schematic view of a third setting manner of the information detection point according to the embodiment of the present invention;

FIG. 12 is a schematic diagram of a processing unit according to an embodiment of the present invention;

FIG. 13 is a schematic view of a brush head structure according to an embodiment of the present invention;

fig. 14 is a schematic view of the structure of the body according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the present invention, the embodiments and features of the embodiments may be arbitrarily combined with each other without conflict.

The embodiment of the utility model provides a toothbrush C, as shown in fig. 1, include brush head A and fuselage B that connect with the removable mode, be provided with detection position A1 on the brush head A, detection position A1 is used for setting up signal unit A2, be provided with recognition device B1 on the fuselage B, recognition device B1 can include perception unit B11 and processing unit B12, wherein:

the sensing unit B11 may be configured to sense the presence or absence of the signal unit a2 at the detected detecting position a 1;

the processing unit B12 may be configured to identify the type of the brush head A according to the sensing result of the sensing unit B11.

In an exemplary embodiment of the present invention, the toothbrush C may include a plurality of brush heads a of different types, the detection position a1 may be disposed differently on the brush heads a of different types, and/or the signal unit a2 may be disposed differently on the detection position a 1;

In the exemplary embodiment of the present invention, the detection positions, the number, the materials, etc. of the signal unit a2 are not limited, and the shape (e.g., a circle and/or a bar), the size (e.g., a point and/or a region), the structure (e.g., two-dimensional and/or three-dimensional, which means having a concave-convex structure), etc. of the signal unit a2 are also not limited, and can be defined by the user according to the requirement.

In an exemplary embodiment of the present invention, as shown in fig. 2 and 3, the detecting position a1 may be disposed on the first contact surface a31 of the first connecting portion A3 of the brush head a, and/or may be disposed on the side wall of the first connecting portion A3 of the brush head.

In an exemplary embodiment of the present invention, the first contact surface a31 refers to a surface of the brush head a contacting with the body B after the brush head a is connected with the body B, the first connection portion A3 of the brush head a.

In an exemplary embodiment of the present invention, when the sensing position a1 is located on the first contact surface a31 of the first connection portion A3 connected to the body B on the brush head a (as shown in fig. 2), the sensing unit B11 of the recognition device B1 may be disposed on the second contact surface B21 of the second connection portion B2 connected to the brush head a on the body B, and the sensing position a1 may correspond to the position of the recognition device B1.

In an exemplary embodiment of the present invention, as shown in fig. 3, the first connection portion A3 of the brush head a may include a recessed structure a 4; the recessed structure A4 can be arranged as a drive shaft fixed on the machine body B when the brush head A is placed on the machine body B;

the sensing position a1 may be disposed on the inner wall a41 of the recess structure a 4.

In an exemplary embodiment of the present invention, as shown in fig. 4, the sensing unit B11 may be disposed on the second contact surface B21 of the second connection portion B2 of the body, and/or may be disposed on the side wall B22 of the second connection portion B2.

In an exemplary embodiment of the present invention, the second connection portion B2 of the body B may include a protruding structure B3; the convex structure B3 can be provided with a driving shaft B4 for driving the brush head A;

the sensing unit B11 may be disposed on an outer wall of the protruding structure B3.

In an exemplary embodiment of the present invention, the detecting position a1 may be located on a side wall (which may be an inner wall or an outer wall) of the first connecting portion A3 connected to the body B on the brush head a, the sensing unit B11 may be disposed on a side wall of the second connecting portion B2 connected to the brush head a on the body B (when the detecting position a1 is located on the inner wall, the sensing unit B11 may be located on the outer wall, when the detecting position a1 is located on the outer wall, the sensing unit B11 may be disposed on the inner wall), and during the fixing of the brush head a on the body B, the inner wall on the brush head a and the outer wall on the body B may gradually coincide, and the inner wall on the brush head a gradually surrounds the outer wall on the body B, the detecting position a1 at the inner wall may gradually correspond to the sensing unit B11 at the outer wall; alternatively, the outer wall on the brush head a and the inner wall on the body B may gradually coincide, and the outer wall on the brush head a is gradually surrounded by the inner wall on the body B, and the detection position a1 at the outer wall on the brush head a may gradually correspond to the sensing unit B11 at the inner wall on the body B.

In an exemplary embodiment of the present invention, the detection positions a1 may be distributed along the first contact surface a31 at will or according to a predetermined array; and/or the presence of a gas in the gas,

the detection positions a1 may be randomly distributed along the side wall or distributed according to a predetermined array.

In the exemplary embodiment of the present invention, the detecting positions a1 can be randomly distributed (as shown in fig. 5) or uniformly distributed (as shown in fig. 6) when they are located on the first contact surface a 31.

In the exemplary embodiment of the present invention, the detecting position a1 may be plural, and a plurality of detecting positions a1 may be uniformly distributed on the first contact surface a 31. For example, 3 detection positions are evenly distributed on the first contact surface a 31.

In an exemplary embodiment of the present invention, the detecting positions a1 can be arranged along the axial direction when they are located on the inner wall a41 of the brush head a (as shown in fig. 7, they can be used for detecting signal units during the up-and-down movement), or can be arranged along the radial direction (as shown in fig. 8, they can be used for detecting signal units during the rotation of the brush head a or the machine body B).

In an exemplary embodiment of the present invention, as shown in fig. 9, 10, and 11, each signal unit a2 may include one or more information detection points a 21;

when the number of the information detecting points a21 is plural, the plural information detecting points a21 may be distributed at the corresponding detecting positions a1 arbitrarily or according to a predetermined array.

In the exemplary embodiment of the present invention, the signal unit a2 of each detecting position a1 may be composed of one or more information detecting points a21, and the number of information detecting points a21 at different detecting positions a1 may be different.

In the exemplary embodiment of the present invention, when each inspection position a1 includes a plurality of information detection points a21, the distribution of the plurality of information detection points a21 at each inspection position a1 may be the same or different, and the detailed distribution is not limited, for example, the information detection points may be arranged in a predetermined array (e.g., a row, a plurality of rows, a column, a plurality of columns, a ring, a concentric circle, etc.), or may be arranged randomly.

In the exemplary embodiment of the present invention, the signal unit a2 may be arranged in various ways to provide various signal information, which may include, but is not limited to, any one or more of the following: the method comprises the steps of determining whether signal information exists, the number of the signal information, the position/number of the signal information, the sequence of the signal information and a graph code formed by a plurality of signal units; the graph code may include, but is not limited to, an image and a code (e.g., a numerical code). According to the multiple signal information, the influence of external interference can be reduced, the judgment precision of the brush head type is improved, misjudgment is not easy to generate, and the user experience is improved.

In an exemplary embodiment of the present invention, the sensing unit B11 may be one or more;

when there are a plurality of sensing units B11, a plurality of sensing units B11 may respectively correspond to one detection position a1 on the brush head a, and respectively identify the signal unit a2 for the corresponding detection position a 1;

when there is one sensing unit B11, the one sensing unit B11 may include a plurality of contacts, and the signal unit a2 is identified by each contact for the corresponding detecting position a 1; alternatively, the sensing unit B11 is disposed on the region where the detecting position a1 passes when the brush head a moves and/or rotates, and performs signal unit a2 recognition on the detecting position corresponding to the brush head a during the movement and/or rotation, respectively.

In the exemplary embodiment of the present invention, when the signal unit a2 has a plurality of detection positions a1 and the recognition device B1 has a plurality of detection positions a1, each detection position a1 can be detected by each sensing unit B11; when the signal unit has a plurality of detection positions a1 and the sensing unit B11 has one, the sensing unit B11 may be provided with a plurality of contacts, or may be provided with a movable or rotatable structure, so that each detection position a1 may be sequentially detected by the sensing unit B11 in a preset detection order; when the signal units have a plurality of detection positions A1 and one sensing unit B11, the brush head A can be arranged in a movable and/or rotatable structure (for example, manually moved or rotated), so that the sensing unit B11 can sequentially detect each signal unit A2 by moving and/or rotating the brush head. Wherein, the removal and/or the rotation process of brush head A can set up to the process of being fixed in brush head A on the fuselage B (make brush head and fuselage firmly fixed through removing or rotatory brush head promptly) to make an operation integrated multiple functions, can not produce too much operation, thereby improve user experience and feel.

In an exemplary embodiment of the present invention, the sensing units B11 may be distributed arbitrarily or according to a preset array corresponding to the detection positions a 1.

In the exemplary embodiments of the present invention, for example, the array may be arranged according to a predetermined array (e.g., a row, a plurality of rows, a column, a plurality of columns, a ring, a concentric circle, etc.), or may be randomly arranged, and may be uniformly distributed or non-uniformly distributed.

In an exemplary embodiment of the present invention, the sensing unit B11 may be plural, and a plurality of sensing units may be disposed corresponding to the detecting position a1 on the brush head a, and may be uniformly distributed on the second contact surface B21.

In an exemplary embodiment of the present invention, the signal unit a2 may include any one or more of the following:

an information coating for being detected by the information sensor;

In the exemplary embodiment of the present invention, detailed dimensions (e.g., length, width, height, thickness, etc.), shapes (e.g., circle, bar, object pattern, letter pattern, geometric pattern, etc.), positions, structures (e.g., two-dimensional or three-dimensional), quantities, materials, implementation processes, etc. of the information coating layer, the light-transmitting area, the groove/protrusion structure are not limited in detail, and can be defined by the user as required.

a metal coating for connection to a capacitive or inductive sensor;

a color coating for detection by the color sensor;

a bright-dark coating for detection by an infrared sensor;

for magnetic coating to be detected by the hall sensor.

In the exemplary embodiment of the present invention, the metal type of the metal coating, the specific color of the color coating, the specific brightness degree of the bright and dark coating, the magnetic force of the magnetic coating, etc. are not limited, and can be defined by the user as required.

The utility model discloses an in the exemplary embodiment, through the setting of multiple signal unit A2, can be so that brush head type recognition scheme is various, extend scheme type and range of application for equipment manufacturer can design the recognition scheme according to local conditions or according to the demand is decided certainly, has improved the flexibility of design, and the discernment accuracy that can corresponding improvement scheme reduces the erroneous judgement, improves user experience and feels.

In an exemplary embodiment of the present invention, the sensing unit B11 may include any one or more of the following:

an information sensor for detecting the information coating;

In an exemplary embodiment of the present invention, the information sensor includes any one or more of:

a capacitive or inductive sensor for connection to the metal coating;

a color sensor for detecting a color coating;

an infrared sensor for detecting the bright and dark coating;

a hall sensor for detecting a magnetic coating.

In an exemplary embodiment of the present invention, the information coating may be: the metal coating, the identification means may be: a capacitive sensor or an inductive sensor.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of metal coatings, a plurality of capacitance sensors or inductance sensors may be correspondingly disposed on the machine body B, the brush head a is disposed on the machine body B, so that each capacitance sensor or inductance sensor may be connected to the corresponding detection position a1 on the brush head a, when the detection position a1 is provided with the signal unit a2, the capacitance of the capacitance sensor may be changed, or the inductance of the inductance sensor may be changed, the capacitance change or the inductance change may be used as a corresponding detection signal, and it is determined that the signal unit a2 has been detected according to the detection signal. Likewise, when the signal unit is not provided at the detection position a1, the capacitance of the capacitive sensor does not change, or the inductance of the inductive sensor does not change, so that it can be determined that the signal unit a2 is not detected.

In the exemplary embodiment of the present invention, when be provided with a plurality of metal coating on brush head a, can only set up a capacitive sensor or inductive sensor on fuselage B, this capacitive sensor or inductive sensor can be provided with a plurality of contacts brush head a place in when on fuselage B, can make each electrocute according to predetermined detection order with brush the corresponding detection position a1 that goes up and connect to after having detected a detection position, corresponding contact can break off with this detection position a1, and next contact is connected with corresponding detection position a1, thereby detects each detection position a1 in proper order. When the detection position a1 is provided with the signal element a2, the capacitance of the capacitance sensor may be caused to change, or the inductance of the inductance sensor may be caused to change, and the change in capacitance or the change in inductance may be taken as a corresponding detection signal, and it is determined from the detection signal that the signal element a2 has been detected. Similarly, when the signal unit is not provided at the detection position a1, the capacitance of the capacitive sensor does not change, or the inductance of the inductive sensor does not change, so that it can be determined that the signal unit a2 is not detected.

The utility model discloses an in the exemplary embodiment, can not detect the change size of electric capacity or inductance, just can judge whether detect the signal unit when confirming electric capacity or inductance and change, the scheme is simpler, easy to carry out.

In an exemplary embodiment of the present invention, the information coating may also be: the light and dark coating layer, the identification device can also be: an infrared sensor.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of bright and dark coatings (some are bright coatings and some are dark coatings), a plurality of infrared sensors can be correspondingly arranged on the body B, the brush head can be placed on the body, the infrared sensors can be started to emit infrared light, when the detection position is provided with the signal unit a2 (such as bright coatings), the reflected infrared light can be more, the reflection amount of the infrared light is taken as a corresponding detection signal, and it is determined that the signal unit a2 has been detected according to the detection signal. Similarly, when the detection position a1 is not provided with the signal cell a2 (e.g., the position is dark coated or uncoated), less infrared light is reflected, and it can be determined that the signal cell a2 is not detected.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of bright and dark coatings, an infrared sensor may be disposed on the machine body B, the brush head a is disposed on the machine body B, the brush head a may be set to a rotatable structure, the brush head may be fixed on the machine body through rotation of the brush head a, and in the process of rotation of the brush head, the infrared sensor may sequentially detect a plurality of signal units a2 disposed on the brush head, and when the brush head rotates to a position, the infrared sensor may just detect a plurality of detection positions a1 on the brush head.

In an exemplary embodiment of the present invention, the information coating may also be: the color coating, the identification means may also be: a color sensor.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of color coatings (color coatings with different colors, and color coatings with the same color), a plurality of color sensors with corresponding colors may be correspondingly disposed on the brush head B, and when the brush head a is disposed on the brush head B, the color sensors may detect the color of the color coatings, and when the detection position a is provided with a color coating (e.g., a red coating) corresponding to the color sensor (e.g., a color sensor that detects red), the color sensor may generate a corresponding detection signal, and determine that the signal unit a2 has been detected according to the detection signal. Similarly, when the detection position a1 is not provided with the signal unit a2 (i.e., the corresponding color coat is not provided), the color sensor does not generate a corresponding detection signal, and it can be determined that the signal unit a2 is not detected.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of color coatings, the plurality of color coatings may be a color coating (such as red) of the same color, and a color sensor (such as for detecting red) may be disposed on the brush body B, when the brush head a is disposed on the brush body B, the brush head a may be disposed in a movable or rotatable structure, the brush head may be fixed on the brush body B by moving or rotating the brush head a, and in the moving or rotating process of the brush head a, the color sensor may sequentially detect a plurality of signal units B disposed on the brush head, and when the brush head is moved or rotated in place, the color sensor may just detect a plurality of detection positions a1 on the brush head.

In an exemplary embodiment of the present invention, the information coating may be: the magnetic coating, or the signal unit is a magnet; the identification means may comprise: and a Hall sensor.

In the exemplary embodiment of the present invention, when being provided with a plurality of magnetic coatings or magnet on the brush head a, can set up a plurality of hall sensors on fuselage B correspondingly brush head a place in when fuselage B is last, can make each hall sensor right brush head a goes up a corresponding detection position a1 and detect, when this detection position a1 is provided with signal unit a2, can make hall sensor place magnetic field change, produce corresponding detection current through the magnetic field that changes, can confirm according to this detection current that signal unit a2 has been detected. Similarly, when the signal unit a2 is not provided at the detection position a1, the magnetic field of the hall sensor does not change, and the detection current is not generated, so that it can be determined that the signal unit a2 is not detected.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of magnetic coatings or magnets, a hall sensor may be disposed on the machine body, the brush head a is disposed on the machine body B, the brush head a may be configured to be movable and/or rotatable, the brush head a is fixed on the machine body B by moving and/or rotating the brush head a, and the hall sensor may sequentially detect a plurality of signal units a2 disposed on the brush head during the moving and/or rotating of the brush head a, and when the brush head is rotated to the position, the hall sensor may just detect a plurality of detection positions a1 on the brush head.

In an exemplary embodiment of the present invention, for example, the signal unit may further include but is not limited to: the light-transmitting region, the identification means may further include, but is not limited to: an optical signal sensor.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of light transmission areas, a plurality of light signal sensors may be correspondingly disposed on the machine body B, the brush head a is disposed on the machine body B, so that each light signal sensor is right a corresponding detection position a1 on the brush head a is detected, when the detection position a1 is provided with a light transmission area, the light signal sensor may be enabled to detect a light signal, and a corresponding detection signal is generated, so that the signal unit a2 may be determined to have been detected according to the detection signal. Similarly, when the detection position a1 is not provided with a light transmission region, the light signal sensor does not detect a light signal and does not generate a detection signal, so that it can be determined that the signal unit a2 is not detected.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of light transmission regions, an optical signal sensor may be disposed on the body B, the brush head a is disposed on the body B, the brush head a may be configured to be movable and/or rotatable, the brush head may be fixed on the body B by moving and/or rotating the brush head a, and the optical signal sensor may sequentially detect a plurality of signal units a2 disposed on the brush head during moving and/or rotating the brush head a, and when the brush head is rotated to a position, the optical signal sensor may just detect the plurality of light transmission regions on the brush head.

In an exemplary embodiment of the present invention, the signal unit a2 may further include but is not limited to: the identification means B1 may also include, but is not limited to, a recessed area or a raised area: an ultrasonic sensor (which may be a micro ultrasonic sensor).

In the exemplary embodiment of the present invention, when being provided with a plurality of groove regions or protruding regions on the brush head a, can be on fuselage B set up a plurality of ultrasonic sensor correspondingly brush head a place in when fuselage B is last, can make each ultrasonic sensor right a detection position a1 who corresponds on brush head a detects, when this detection position a1 is provided with groove regions or protruding regions, can make ultrasonic sensor detect that the length of time that comes and goes of ultrasonic signal is in the long interval of presetting to produce corresponding detected signal, can confirm according to this detected signal and have detected signal element a 2. Similarly, when the detection position a1 is not provided with a groove region or a protrusion region, the round trip time period during which the ultrasonic sensor detects the ultrasonic signal is not within the preset time period, and a detection signal is not generated, so that it can be determined that the signal unit a2 is not detected.

In the exemplary embodiment of the present invention, when the brush head a is provided with a plurality of groove areas or protrusion areas, an ultrasonic sensor may be disposed on the brush body B, after the brush head a is placed on the brush body B, the brush head a may be configured to be movable and/or rotatable so as to fix the brush head a on the brush body B by moving and/or rotating the brush head a, and during the moving or rotating process of the brush head a, the micro ultrasonic sensor may sequentially detect a plurality of signal units a2 disposed on the brush head a, and when the brush head a is moved and/or rotated to the proper position, the micro ultrasonic sensor may just detect the plurality of groove areas or protrusion areas on the brush head.

In an exemplary embodiment of the present invention, as shown in fig. 12, the processing unit B12 may include: a decoder B5 and a main control unit MCU;

the decoder B5 is connected with the sensing unit B11 and is configured to generate a signal which can be identified by the MCU according to the sensing result of the sensing unit B11;

the main control unit MCU is connected with the decoder B5 and is set to determine the type of the brush head A placed on the current machine body B according to the recognizable signal.

The embodiment of the utility model provides a brush head A of toothbrush, as shown in fig. 13, toothbrush C can include a plurality of brush heads A of different grade type, can be provided with detection position A1 on brushing head A, detection position A1 can be located brush head A's first connecting portion A3, first connecting portion A3 can set up to be connected with brush head B with the detachable mode, detection position A1 is used for setting up signal unit A2, and on the different grade type brush head A the detection position A1 sets up the mode differently, and/or, detection position A1 on the signal unit A2 sets up the mode differently;

In the exemplary embodiments of the present invention, any of the above-mentioned toothbrush embodiments are applicable to the brush head a embodiment, and are not described in detail herein.

The embodiment of the utility model provides a fuselage B of toothbrush is still provided, as shown in fig. 14, fuselage B with toothbrush C's brush head A connects with the detachable mode, can be provided with recognition device B1 on fuselage B, recognition device B1 can include perception unit B11 and processing unit B12, perception unit B11 can be located on fuselage B's second connecting portion B2, wherein:

In the exemplary embodiment of the present invention, any of the above-mentioned toothbrush embodiments are applicable to this body B embodiment, and are not described in detail herein.

The embodiment of the utility model provides a toothbrush head recognition method is still provided, can be applied to above-mentioned arbitrary toothbrush C, the method can include:

when the brush head is placed on the machine body, the identification device is used for detecting whether a signal unit exists at the detection position of the brush head;

and determining the type of the brush head according to the existence of the signal unit on the detection position.

The utility model discloses an in the exemplary embodiment, only need detect the existence of identification signal unit and just can carry out brush head type judgement, need not confirm the power of signal, require high, the scheme is simple moreover to signals such as magnetic force, easy to carry out, reduced production complexity and manufacturing cost, good reliability has improved user experience and has felt.

In an exemplary embodiment of the present invention, the method may further include:

after the existence of the signal unit on the detection position is detected, determining the signal information of the brush head according to the detection result;

and determining the type of the brush head placed on the current machine body according to the signal information.

In an exemplary embodiment of the present invention, the tag information may include any one or more of the following: the number of the signal units, the positions/numbers of the signal units, the sequence of the signal units and the graph codes formed by the signal units; the graph code may include, but is not limited to, codes (e.g., data codes) and images.

The utility model discloses an in the exemplary embodiment, this embodiment scheme can be judged through arbitrary information that is difficult for receiving external disturbance influence such as quantity, position/serial number, order, picture code, has improved the judgement precision of brush head type to difficult production erroneous judgement has improved user experience and has felt.

In the exemplary embodiment of the present invention, the following describes in detail different detection schemes of the signal information according to different types of the signal information (for example, the existence or nonexistence of the signal units, the number of the signal units, the positions/numbers of the signal units, the sequence of the signal units, the graph codes formed by a plurality of signal units, etc.).

Scheme one, detect signal unit have or not as signal information:

in an exemplary embodiment of the present invention, the presence or absence of the signal unit may be directly detected to determine the brush head type for a toothbrush having fewer brush head types (e.g., only two types), for example, if the signal unit is detected at the detected position, it may be determined that the current brush head is the first brush head type; if no signal unit is detected at the detection position, it can be determined that the current brushhead is the second brushhead type.

In the exemplary embodiment of the present invention, the principle of the scheme is simple and easy to implement.

And detecting the number of the signal units as signal information, wherein the method at least comprises the following methods:

the method comprises the following steps:

in an exemplary embodiment of the present invention, detecting the signal information of the signal unit by the identification device may include:

detecting corresponding detection positions on the brush head through a plurality of preset identification devices respectively; wherein the signal unit may be determined to be detected when the detection signal is generated by the identification means, and may be determined not to be detected when the detection signal is not generated by the identification means;

the number of identification means detecting the signal units is counted as the number of signal units.

The exemplary embodiment of the present invention provides a detecting device, which comprises a plurality of detecting units, wherein the detecting units are arranged in a plurality of detecting positions, and the detecting units are arranged in the detecting positions, and the detecting units are respectively arranged in the detecting positions.

The second method comprises the following steps:

in an exemplary embodiment of the present invention, detecting the signal information of the signal unit by the identification device may further include:

starting to detect one or more preset detection positions of the brush head according to a preset sequence or a preset direction through the recognition device;

and counting the number of detection signals generated by the identification device as the number of signal units in the detection process.

The exemplary embodiment of the present invention provides a detection device, which can stop detecting when the identification device moves or rotates to reach a predetermined stop position, or stop detecting when the predetermined detection time is reached, or stop detecting when the detection position detected reaches a predetermined value.

In the exemplary embodiment of the present invention, the preset sequence and the preset direction may not be limited in detail, and may be set accordingly according to different setting modes of the signal unit. For example, when the signal unit is arranged annularly around the circular first contact surface of the brush head, the predetermined direction may be clockwise or counterclockwise. When the signal units are arranged in a row or a column on the first contact surface of the brush head, the predetermined direction may be from the first end to the second end of the row or the column, or from the second end to the first end.

The exemplary embodiment of the present invention provides a control method, which can realize the detection of all the detection positions in the set order by controlling the recognition device or the brush head to move and/or rotate, wherein each detected signal unit can add 1 to the preset counting position, after the detection is finished, the total number of the counting positions can be counted, and the total number of the detection signals generated in the detection process of the recognition device is obtained as the number of the signal units.

In an exemplary embodiment of the present invention, the determining the type of the brush head currently placed on the body according to the signal information may include:

determining the brush head type corresponding to the detected number of the signal units as the brush head type of the brush head placed on the current machine body;

wherein, the number of different signal units corresponds to different brush head types one by one.

In an exemplary embodiment of the present invention, the number of signal units can be obtained by the first method and/or the second method in the first scheme, and the brush head type can be determined directly according to the difference of the number of signal units, for example, when the number of signal units is detected to be 1, the first brush head type can be corresponded; when the number of the signal units is detected to be 2, the second brush head type can be corresponded; when the number of the signal units is detected to be 3, the type of the brush head placed on the machine body can be determined according to the number of the signal units, wherein … … corresponds to the third brush head type and so on.

In an exemplary embodiment of the present invention, the correspondence between the number of signal units and the brush head type may be set in a preset brush head type mapping table, and the brush head type mapping table may contain the one-to-one correspondence between the number of different signal units and different brush head types.

And thirdly, detecting the position/number of the signal unit as signal information:

in the exemplary embodiment of the present invention, since the detection of the signal unit position and the detection scheme of the signal unit number are substantially the same, the detection schemes of the signal unit position and the signal unit number can be introduced here at the same time, and are unified as the position/number of the signal unit.

In the exemplary embodiments of the present invention, the position/number of the detection signal unit as the signal information may at least include the following methods:

the method comprises the following steps:

detecting corresponding detection positions on the brush head through a plurality of preset identification devices respectively, and determining the number of the identification device which detects a signal unit when any one or more identification devices detect that the signal unit exists;

determining the position/number of the signal unit according to the number of the identification device which identifies the signal unit; the different numbers of the identification means correspond to the positions/numbers of the different signal units.

In an exemplary embodiment of the present invention, after the brush head is fixed to the body, a plurality of recognition devices may be preset in one-to-one correspondence with a plurality of detection positions on the brush head, each recognition device may detect one detection position, and the number of each recognition device may be the same as the number of the corresponding detection position, or corresponding to the location of the corresponding detection location (e.g., when the corresponding signal unit is located at the first location, the corresponding signal unit is numbered 1, when the corresponding signal unit is located at the second location, the corresponding signal unit is numbered 2, … …, and so on), when any one of the identification devices detects that the corresponding detection location is provided with a signal unit, a corresponding detection signal can be generated, by means of which the number of the identification means can be determined, and thus the position/number of the corresponding signal unit can be determined.

The second method comprises the following steps:

sequentially detecting a plurality of detection positions on the brush head through a recognition device according to a preset detection sequence, and stopping detection when any one signal unit is detected; the time interval from the detection of one detection position to the detection of the next adjacent detection position can be a first time length;

starting detection from a preset first detection position, when a signal unit is arranged at the first detection position, determining the currently detected signal unit as a first position/number, and marking the position/number of the signal unit as the first position/number; when no signal unit is arranged at the first detection position, in the detection process according to the detection sequence, when a signal unit is detected after n first time intervals, the currently detected signal unit can be determined to be the (n + 1) th position/number, and the position/number of the marked signal unit is the (n + 1) th position/number; n is a positive integer.

In the exemplary embodiment of the present invention, before implementing the scheme of the embodiment, the recognition device may be first set to be automatically moved or automatically rotated by being controlled, so that the recognition device may operate at a preset speed, and each detection position may be detected in turn.

In the exemplary embodiment of the present invention, in the process of detecting the detection position of the setting in sequence by the identification device according to the preset detection sequence, the time length experienced until detecting a signal unit can be counted from the beginning of the detection, and the currently detected position/number of which signal unit is determined according to the experienced time length. Since the first detection position can be directly detected, when the signal unit is detected at the beginning, the position/number of the current signal unit can be directly determined as the first position/number; if no signal cell is detected at the beginning of the detection, the position/number of the signal cell can be determined according to the elapsed time length. For example, assuming that the first time period is 0.05 seconds, when one signal unit is detected for 0.1(0.1 ═ 2 × 0.05, that is, n ═ 2) seconds, it may be determined that the currently detected signal unit is the third position/number (n +1 ═ 3).

The third method comprises the following steps:

in an exemplary embodiment of the present invention, the detecting the signal information of the signal unit by the identification device may further include:

scanning corresponding detection positions on the brush head through the identification device respectively, and counting the scanning duration of each identified signal unit by the identification device;

determining the position/number of the corresponding signal unit according to the different scanning durations; wherein, different scanning duration corresponds to different positions/numbers of the signal units.

In an exemplary embodiment of the present invention, for example, different lengths or widths may be set for the information coatings disposed at different detection positions, and during the moving or rotating process of the brush head, when the information sensor sweeps any detection position provided with the information coating, the length or width of the current signal unit may be judged by the duration of the generation of the detection signal by the information sensor, because the longer or wider the information coating is disposed, the longer the time required for the information sensor to sweep the information coating (i.e., the longer the scanning duration), the longer the duration of the generation of the detection signal is, and conversely, the shorter or narrower the information coating is disposed, the shorter the time required for the information sensor to sweep the information coating (i.e., the shorter the scanning duration), the shorter the duration of the generation of the detection signal is. Therefore, the duration or scanning duration of the detection signal generated by the information sensor can be detected according to the principle, the length or width of the current signal unit can be judged correspondingly, and the position or number of the signal unit can be determined according to the length or width of the signal unit.

The method four comprises the following steps:

in an exemplary embodiment of the present invention, each signal unit may include one or more information detection points; the detecting of the signal information of the signal unit by the identification means may further include:

counting the number of information detection points detected by the identification device in the process of identifying each signal unit by the identification device;

determining the position/number of the signal unit corresponding to the current signal unit according to the number of the information detection points; wherein the number of different information detection points corresponds to the position/number of different signal units.

In an exemplary embodiment of the present invention, the signal unit of each detection position may be composed of one or more information detection points, and the number of information detection points at different detection positions may be different.

In the exemplary embodiment of the present invention, when the recognition device detects that any detection position is provided with the signaling unit, the number of information detection points detected at the detection position only needs to be detected so as to determine the label position/number of the currently recognized signaling unit.

In the exemplary embodiment of the present invention, for example, when the signal unit is set at the first detection position, the number of the information detection points set correspondingly is set to 1; when the signal unit is arranged at the second detection position, the number of the correspondingly arranged information detection points is 2; … …, respectively; by analogy, when the signal unit is arranged at the nth detection position, the number of the information detection points correspondingly arranged is n. Accordingly, when the number of detected information points is 1, it may be determined that the current signal unit is at the first detection position or it may be determined that the signal unit number is 1; when the number of the detected information points is 2, the current signal unit can be determined to be at the second detection position or the number of the signal unit can be determined to be 2; when the number of the detected information points is 3, the current signal unit can be determined to be at the third detection position or the number of the signal unit can be determined to be 3; … …, respectively; by analogy, when the number of detected information points is n, it may be determined that the current signal unit is at the nth detection position or it may be determined that the signal unit number is 3.

determining the brush head type corresponding to the position/number of the detected signal unit as the brush head type of the brush head placed on the current machine body;

wherein, the positions/numbers of different signal units correspond to different brush head types one by one.

In an exemplary embodiment of the present invention, the position/number of the signal unit can be obtained by any one or more of the first to fourth methods in the second scheme, and the brush head type can be directly determined according to the difference of the position/number of the signal unit, for example, when the position/number of the signal unit is detected to be 1, the brush head type can correspond to the first brush head type; when the position/number of the signal unit is detected to be 2, the second brush head type can be corresponded; when the position/number of the signal unit is detected to be 3, it may correspond to a third brush head type, … …, and so on, and the type of the brush head currently placed on the machine body may be determined according to the position/number of the signal unit.

In an exemplary embodiment of the present invention, the correspondence between the position/number of the signal unit and the brush head type may be set in a preset brush head type mapping table, and the brush head type mapping table may contain the one-to-one correspondence between the position/number of different signal units and different brush head types.

And a fourth scheme, detecting the sequence of the labels as signal information:

starting to detect one or more preset detection positions of the brush head through the recognition device according to a preset sequence or a preset direction; (wherein, the detection may be stopped when the recognition means reaches a preset stop position, or when a preset detection time period is reached, or when a detected detection position reaches a preset value after detection is detected.)

Counting the positions/numbers of the signal units detected by the identification device in the detection process;

and sequencing the positions/numbers of the detected signal units according to the sequence of the detection time, and taking the sequencing of the positions/numbers of the signal units as the sequence of the signal units.

In an exemplary embodiment of the present invention, the same or different signal units may be respectively disposed at a plurality of detection positions on the brush head, and when detecting the signal units, the detection may be performed according to a preset sequence or a preset direction, for example, the detection may be performed clockwise or counterclockwise starting from a certain set position, and the position/number of the signal unit may be detected by any one or more methods in the third scheme during the detection process; after the position/number of each signal unit is detected according to the preset direction or the preset sequence, the detected positions/numbers of the signal units can be sequenced, so that a series of sequence numbers with sequence can be obtained, and the series of sequence numbers can be used as the sequence of the signal units.

In the exemplary embodiment of the present invention, for example, when the numbers of the signal units are 324 respectively detected in the clockwise order, the order of arrangement of 324 may be the order of one signal unit. When the numbers of the signal units are detected to be 423 in the clockwise order, the order of the 423 can be regarded as the order of one signal unit. When the number of the signal units is 123 in the detection order from left to right, the arrangement order of 123 may be the order of one signal unit. When the numbers of the signal units are respectively 321 in the detection order from right to left, the arrangement order of 321 can be the order of one signal unit.

In exemplary embodiments of the present invention, the tag positions/numbers in the tag sequence may be completely different, or at least two tag positions/numbers may be the same.

In the exemplary embodiment of the present invention, the above 324, 423, 123, 321 are embodiments in which the positions/numbers of the signal units are completely different, and there may be at least two identical positions/numbers of the signal units, for example, when the numbers of the signal units are detected to be 1224 respectively according to the clockwise order, the order of the 1224 may be regarded as the order of one signal unit. The two 22 can here be information coatings of the same length or width, groove structures of the same depth, projection structures of the same height, or light-transmitting areas of the same size of the doorway.

determining the brush head type corresponding to the detected sequence of the signal units as the brush head type of the brush head placed on the current machine body;

wherein the sequence of different signal units corresponds to different brush head types one to one.

In an exemplary embodiment of the present invention, the correspondence between the sequence of the signal units and the brush head types may be set in a preset brush head type mapping table, and the brush head type mapping table may contain the one-to-one correspondence between the sequence of different signal units and different brush head types.

Detecting a graph code formed by a plurality of signal units as signal information, wherein the method at least comprises the following methods:

the method comprises the following steps:

in an exemplary embodiment of the present invention, the graph code may be a code, such as a data code; determining the signal information of the brushhead according to the detection result can comprise:

when any one detection device detects the signal unit, marking the detection result as a first numerical value;

when any one of the detection devices does not detect the signal unit, marking the detection result as a second numerical value;

and sequencing the detection results of the plurality of detection devices according to a preset sequence, and acquiring a code consisting of a first numerical value and/or a second numerical value as a code consisting of a plurality of signal units.

In an exemplary embodiment of the present invention, the graph code may be a binary code; the first and second values are 1 and 0.

In an exemplary embodiment of the present invention, determining the type of the brush head currently placed on the body according to the signal information may include:

determining the brush head type corresponding to the detected binary code as the brush head type of the brush head placed on the current machine body;

wherein, different binary codes correspond to different brush head types one to one.

In an exemplary embodiment of the present invention, the method may further include: when the binary codes are all 0, determining that the brush head is not detected; when the binary codes are all 1, it is determined that an abnormality is detected.

In the exemplary embodiment of the present invention, for example, 3 detection positions can be set on the brush head according to 3 signal units, one signal unit is set at each detection position, and the numbers of the three signal units are sequentially set to 11, 12 and 13 clockwise. When the identification devices corresponding to 11, 12, and 13 detect the signal units 11, 12, and 13, the detection result flag bits corresponding to the signal units 11, 12, and 13 may be designated as 1, and when the identification devices corresponding to 11, 12, and 13 do not detect the signal units 11, 12, and 13, the detection result flag bits corresponding to the signal units 11, 12, and 13 may be designated as 0. According to different detection results of the signal units 11, 12, 13 (corresponding detection signals are signal 1, signal 2, signal 3), 8 sets of binary numbers (000, 001, 010, 011, 100, 101, 110, 111) can be obtained.

In an exemplary embodiment of the present invention, the determining the type of the brush head currently placed on the body according to the recognition result of the signal information may include:

determining the brush head type corresponding to the code formed by the detected signal units as the brush head type of the brush head placed on the current machine body;

wherein different codes correspond to different brushhead types one to one.

In the exemplary embodiment of the present invention, for example, different binary numbers can be formed according to the value (1 or 0) corresponding to the detection result of signal 1, signal 2, signal 3, and different binary numbers can correspond to different brush head types, so that the current brush head type can be determined according to the currently detected binary number.

The utility model discloses an exemplary embodiment can be with 3 signal analyses for 0 ~ 7 numerical signal to discernment brush head 1 ~ 6 configuration, and can judge not install the brush head or not install the appointed brush head of this product when no signal, when being all high signals, can regard unusual material or unusual material to do abnormal conditions and handle. For example, when the binary number is 000, it may be determined that no brushhead is detected; when the binary number is 001, it can be determined that the brushhead 1 is detected; when the binary number is 010, it can be determined that the brushhead 2 is detected; when the binary number is 011, it can be determined that brushhead 3 is detected; when the binary number is 100, it may be determined that the brushhead 4 is detected; when the binary number is 101, it can be determined that the brushhead 5 is detected; when the binary number is 110, it can be determined that the brushhead 6 is detected; when the binary number is 111, it can be determined that an abnormality is detected.

The second method comprises the following steps:

in an exemplary embodiment of the present invention, the image code may be an image; the detecting, by the identification device, the signal information of the signal unit may further include:

detecting corresponding detection positions on the brush head through a plurality of preset identification devices respectively;

determining that the signal unit is detected when any one of the recognition devices generates a detection signal, and lighting different indicator lights on a preset display screen (one or more indicator lights can be simultaneously lighted each time the indicator lights are lighted);

and determining an image formed by the lighted indicator lamp, and using the image as an image code formed by a plurality of signal units.

In an exemplary embodiment of the present invention, determining the brush head type of the brush head currently placed on the body according to the recognition result of the signal information may include: determining a brush head type corresponding to an image formed by the detected signal units as the brush head type of the brush head placed on the current machine body;

wherein different images correspond one-to-one with different brushhead types.

In the exemplary embodiment of the present invention, in order to determine the image formed by the lighted indicator, the distribution pattern of all the indicators can be preset, when one or more indicators are lighted at each time, a preset color can be set at the corresponding indicator position on the pattern, after all the signal units are recognized, the image finally presented on the pattern can be detected, the image can be compared with the standard image in the preset image library, different standard images correspond to different brush head types, and the brush head type corresponding to the standard image matched with the currently presented image can be determined according to the comparison result, and the brush head type can be currently recognized.

The utility model discloses an in the exemplary embodiment, can detect out corresponding signal information through arbitrary one or more scheme in foretell scheme one, scheme two, scheme three and the scheme four, can accurately determine the brush head type according to this signal information, the embodiment scheme of the utility model realizes simply, and the cost advantage is showing, and the signal through judging a plurality of signal unit has or not can realize discerning, when adopting magnet or magnetic coating to examine time measuring, and the magnetic decay of certain magnet or magnetic coating changes and does not have the influence to the recognition result, can realize the stability of performance, avoids the user experience complaint that error control caused, has improved user experience and has felt.

In the exemplary embodiment of the present invention, after the brush head type is detected by the above scheme, a matching control mode including a motor current and a mathematical model is provided for the current brush head by the brush head type; pressure data between the toothbrush head and the teeth can be acquired in the process of controlling the toothbrush head (a pressure sensor can be arranged on the toothbrush head to detect the pressure data in real time), the change of the oscillation amplitude of the toothbrush can be judged by monitoring the pressure data between the toothbrush head and the teeth, and the working duty ratio of the sound wave vibration motor is adjusted, so that the intelligent adjustment of the oscillation amplitude of the toothbrush is realized.

The above only is the preferred embodiment of the present invention, not therefore the limitation of the patent scope of the embodiment of the present invention, all under the concept of the embodiment of the present invention, utilize the equivalent structure transformation made by the embodiment of the present invention and the attached drawings, or directly/indirectly applied to other related technical fields are included in the patent protection scope of the embodiment of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a toothbrush, includes brush head and fuselage that connect with the mode of dismantling, its characterized in that, be provided with the detection position on the brush head, the detection position is used for setting up signal unit, be provided with recognition device on the fuselage, recognition device includes processing unit and perception unit, wherein:

the sensing unit is arranged to sense the presence or absence of the signal unit at the detected detection position;

the processing unit is arranged to identify the type of the brush head according to the sensing result of the sensing unit.

2. The toothbrush of claim 1, wherein the toothbrush comprises a plurality of brushheads of different types, the detection locations being arranged differently on the brushheads of different types, and/or the signal units being arranged differently on the detection locations;

wherein, the different setting modes comprise any one or more of the following modes: the number, location and order of arrangement are different.

3. The toothbrush of claim 1, wherein the toothbrush is an electric toothbrush.

4. The toothbrush of claim 1, wherein the sensing units are one or more;

when the sensing units are multiple, the multiple sensing units respectively correspond to one detection position on the brush head, and respectively identify the corresponding detection positions by the signal units;

when the sensing unit is one, the sensing unit comprises a plurality of contacts, and signal unit identification is carried out on the corresponding detection position through each contact; or, the sensing unit is arranged on an area where the detection position passes when the brush head moves and/or rotates, and performs signal unit identification on the detection position corresponding to the brush head in the moving and/or rotating process.

5. The toothbrush according to any one of claims 1 to 4, wherein the signal unit comprises any one or more of:

an information coating for being detected by the information sensor;

6. The toothbrush of claim 5, wherein the message coating comprises any one or more of:

a metal coating for connection to a capacitive or inductive sensor;

a color coating for detection by the color sensor;

a bright-dark coating for detection by an infrared sensor;

for magnetic coating to be detected by the hall sensor.

7. The toothbrush according to any one of claims 1 to 4, wherein the sensing unit comprises any one or more of:

an information sensor for detecting the information coating;

8. The toothbrush of claim 7, wherein the information sensor comprises any one or more of:

a capacitive or inductive sensor for connection to the metal coating;

a color sensor for detecting a color coating;

an infrared sensor for detecting the bright and dark coating;

a hall sensor for detecting a magnetic coating.

9. The toothbrush according to any one of claims 1 to 4, characterized in that the processing unit comprises: a decoder and a main control unit;

the decoder is connected with the sensing unit and is arranged to generate a signal which can be identified by the main control unit according to a sensing result of the sensing unit;

the main control unit is connected with the decoder and is set to determine the type of the brush head placed on the current machine body according to the recognizable signal.

10. A brush head of a toothbrush comprises a plurality of brush heads of different types, and is characterized in that a detection position is arranged on the brush head and is positioned on a first connecting part of the brush head, the first connecting part is detachably connected with a machine body of the toothbrush, the detection position is used for arranging a signal unit, the detection position on the brush head of different types is arranged in different modes, and/or the signal unit is arranged in different modes on the detection position;

11. The brushhead of claim 10, wherein the sensing location is on a first contact surface, the first contact surface being the surface of the brushhead with which the first connecting portion of the brushhead contacts the body after the brushhead is connected to the body.

12. A brushhead of a toothbrush according to claim 11, wherein the sensing locations are plural, the plural sensing means being evenly distributed across the contact surface.

13. The utility model provides a fuselage of toothbrush, the fuselage with the brush head of toothbrush is connected with the detachable mode, its characterized in that, be provided with recognition device on the fuselage, recognition device includes processing unit and perception unit, the perception unit is located on the second connecting portion of fuselage, wherein:

14. The body of the toothbrush of claim 13, wherein the sensing unit is located on a second contact surface, the second contact surface being a surface of the body that the second connecting portion of the body contacts the body after the body is connected to the brush head.

15. The body of the toothbrush according to claim 14, wherein the sensing unit is a plurality of sensing units, and the plurality of sensing units are disposed corresponding to the detection positions on the brush head and are uniformly distributed on the second contact surface.