Toothbrush head pressure protection electric toothbrush

Abstract

The embodiment of the utility model relates to the technical field of electric toothbrushes, and discloses a toothbrush head pressure protection electric toothbrush which comprises a toothbrush head, a shell, a control button arranged on the surface of the shell, a toothbrush head pressure sensor arranged in the shell and a machine core assembly, the top of the shell is open, and the toothbrush head is installed on the top of the shell and connected with the machine core assembly through the top opening of the shell. The control button is connected with the movement assembly and is used for sending a first starting signal to the movement assembly under the triggering operation of a user; the toothbrush head pressure sensor is connected with the machine core assembly and used for detecting first pressure borne by the toothbrush head and sending a second starting signal to the machine core assembly when it is detected that the first pressure is larger than a first preset pressure value; the machine core assembly is used for being started according to the first starting signal and driving the toothbrush head to vibrate at the first vibration frequency when receiving the second starting signal. According to the embodiment of the utility model, the toothbrush head is prevented from splashing by arranging the toothbrush head pressure sensor.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of electric toothbrushes, and particularly to an electric toothbrush with toothbrush head pressure protection. Background Art

[0002] With the progress of society, more and more people begin to pay attention to their physical health. At the same time, due to the fast pace of urban life and bad living habits, oral diseases have become one of the most common diseases in people's daily life. Therefore, people increasingly focus on oral cleaning, and electric toothbrushes have emerged. Electric toothbrushes mainly make the toothbrush head generate high-frequency vibrations by the rapid rotation or vibration of an electric motor, instantly decompose toothpaste into fine foam, and deeply clean the tooth gaps.

[0003] The inventor of this application found that when a user uses an electric toothbrush and presses the switch button before putting the toothbrush into the mouth, the water and toothpaste on the bristles will splash everywhere. Therefore, an electric toothbrush with a splash-proof function is needed. Summary of the Utility Model

[0004] In view of the above problems, the embodiments of the present utility model provide an electric toothbrush with toothbrush head pressure protection, which is used to solve the technical problem that the water and toothpaste on the bristles splash when the existing electric toothbrush is powered on before being put into the mouth.

[0005] According to one aspect of the embodiments of the present utility model, an electric toothbrush with toothbrush head pressure protection is provided. The electric toothbrush with toothbrush head pressure protection includes: a toothbrush head, a housing, a control button arranged on the surface of the housing, a brush head pressure sensor and a movement assembly arranged in the housing; the top of the housing is open, the toothbrush head is installed at the top of the housing and is connected to the movement assembly through the opening at the top of the housing; the control button is connected to the movement assembly and is used to send a first start signal to the movement assembly under the triggering operation of the user; the brush head pressure sensor is connected to the movement assembly and is used to detect a first pressure received by the toothbrush head, and when it detects that the first pressure is greater than a first preset pressure value, send a second start signal to the movement assembly; the movement assembly is used to start up according to the first start signal and drive the toothbrush head to vibrate at a first vibration frequency when receiving the second start signal, so that the electric toothbrush with toothbrush head pressure protection enters a working mode.

[0006] In an optional manner, the movement assembly includes a battery, a control main board and a magnetic levitation motor; the magnetic levitation motor includes a vibration rod, and the vibration rod is connected to the toothbrush head and is used to drive the toothbrush head to vibrate; the control main board is electrically connected to the battery and the magnetic levitation motor respectively and is used to control the operation of the magnetic levitation motor; the battery is used to supply power to the control main board and the magnetic levitation motor.

[0007] In an alternative embodiment, a receiving groove for accommodating the brush head pressure sensor is provided on the side wall of the vibrating rod; the brush head pressure sensor is installed in the receiving groove, and the brush head pressure sensor is electrically connected to the control main board; the brush head pressure sensor detects the first pressure received by the toothbrush head through the vibrating rod, and when it detects that the first pressure is greater than the first preset pressure value, it sends the second start signal to the control main board.

[0008] In an alternative embodiment, the brush head pressure sensor is further configured to send a reminder signal to the control main board when it detects that the first pressure is greater than a second preset pressure value; the second preset pressure value is greater than the first preset pressure value; when the toothbrush head pressure protection electric toothbrush is in the working mode, the control main board is further configured to drive the toothbrush head to vibrate at a second vibration frequency according to the reminder signal, so that the toothbrush head pressure protection electric toothbrush enters the reminder mode; the second vibration frequency is less than the first vibration frequency.

[0009] In an alternative embodiment, the toothbrush head pressure protection electric toothbrush further includes a connecting member; the bottom of the toothbrush head is open, and the vibrating rod is connected to the open bottom of the toothbrush head through the connecting member.

[0010] In an alternative embodiment, the connecting member includes a top cover, a waterproof ring, and a toothbrush head connecting member disposed at the open bottom of the toothbrush head, which are sequentially sleeved on the vibrating rod; the vibrating rod of the movement assembly sequentially passes through the top cover and the waterproof ring and is connected to the toothbrush head connecting member.

[0011] In an alternative embodiment, the control button is further configured to send a mode adjustment signal or a stop signal to the control main board under the trigger operation of the user; the control main board is further configured to start up according to the mode adjustment signal, and control the movement assembly to drive the toothbrush head to vibrate at different vibration frequencies when receiving the second start signal; or, the control main board is further configured to stop the operation of the movement assembly according to the stop signal.

[0012] In an alternative embodiment, the toothbrush head pressure protection electric toothbrush further includes a button pressure sensor assembly, which is electrically connected to the control main board and abuts against the inner surface of the control button at the other end; the button pressure sensor assembly is configured to obtain the second pressure received by the outer surface of the control button, and when it detects that the second pressure is greater than a third preset pressure value, it sends the first start signal to the control main board.

[0013] In an alternative embodiment, the movement assembly further includes a movement bracket; the movement bracket is respectively provided with channel structures for accommodating the battery and the magnetic levitation motor; the battery and the magnetic levitation motor are fixed in the channel structures of the movement bracket; the movement bracket is fixedly connected to the housing.

[0014] In an alternative embodiment, the magnetic levitation motor further includes a motor main body and a motor end cap; one end of the motor main body is connected to the vibration rod, and the other end is spaced from the battery through the motor end cap.

[0015] In the embodiment of the present utility model, a first start signal is obtained through a control button, and a first pressure received by the toothbrush head is detected by setting a toothbrush head pressure sensor. When it is detected that the first pressure is greater than a first preset pressure value, a second start signal is sent, so that the toothbrush head pressure protection electric toothbrush enters the working mode only when receiving the first start signal and the second start signal. When the user touches the control button to turn on the machine, but the first pressure of the toothbrush head does not exceed the first preset pressure value, i.e., the starting pressure value, the toothbrush head does not vibrate, preventing water or toothpaste on the toothbrush head from splashing due to vibration. Only when the toothbrush head is placed in the oral cavity and the first pressure reaches the first preset pressure value, the toothbrush head pressure protection electric toothbrush enters the working mode.

[0016] Further, by setting a second preset pressure value, when the toothbrush head pressure protection electric toothbrush provided in the embodiment of the present utility model is in the working state, the first pressure of the toothbrush head is also monitored in real time through the toothbrush head pressure sensor. When it is detected that the first pressure is greater than the second preset pressure value, i.e., the toothbrush head is in an overpressure state, the vibration frequency of the toothbrush head is adjusted to be less than that in the normal working mode to remind the user to stop the unhealthy brushing operation. In this way, the toothbrush head pressure protection electric toothbrush provided in the embodiment of the present utility model has a pressure reminder and protection function, can correct the unhealthy brushing operation of the user, and reduce the damage to the teeth.

[0017] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features and advantages of the present utility model more obvious and understandable, the following specifically illustrates the embodiments of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the preferred embodiments below, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model. And throughout the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0019] Figure 1 Shows a schematic structural diagram of an electric toothbrush with toothbrush head pressure protection provided by an embodiment of the present utility model;

[0020] Figure 2 Shows a schematic cross-sectional structure diagram of an electric toothbrush with toothbrush head pressure protection provided by an embodiment of the present utility model;

[0021] Figure 3 Shows an exploded structural diagram of an electric toothbrush with toothbrush head pressure protection provided by an embodiment of the present utility model;

[0022] Figure 4 Shows an exploded structural diagram of a movement assembly provided by an embodiment of the present utility model.

[0023] The reference numerals in the specific embodiments are as follows:

[0024] Toothbrush head 110, toothbrush head connector 111, housing 120, bottom case 121, waterproof cover 122, control button 130, brush head pressure sensor 140, reminder indicator light 141, button pressure sensor assembly 150, conductive elastic member 151, touch sensing portion 1511, button pressure sensor 152, connector 160, movement assembly 200, battery 210, control main board 220, light shielding sheet 221, mode indicator light 222, magnetic levitation motor 230, vibration rod 231, top cover 2311, waterproof ring 2312, motor body 232, motor tail cover 233, charging port assembly 240, bracket 250. Specific embodiments

[0025] The embodiments of the technical solution of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present utility model, and therefore are only examples and cannot be used to limit the protection scope of the present utility model.

[0026] Please refer to Figure 1 , Figure 1 Shows a schematic structural diagram of an electric toothbrush with toothbrush head pressure protection provided by an embodiment of the present utility model. The electric toothbrush with toothbrush head pressure protection includes a toothbrush head 110, a housing 120, a control button 130 provided on the surface of the housing 120, and a brush head pressure sensor 140 and a movement assembly 200 provided inside the housing 120.

[0027] Please refer to Figure 3 , Figure 3 Shows an exploded structural diagram of an electric toothbrush with toothbrush head pressure protection provided by an embodiment of the present utility model. The top of the housing 120 is open, and the toothbrush head 110 is installed at the top of the housing and is connected to the movement assembly 200 through the top opening of the housing 120.

[0028] Among them, the control button 130 is connected to the movement component 200, and is used to send a first start signal to the movement component 200 under the triggering operation of the user.

[0029] Among them, the brush head pressure sensor 140 is connected to the movement component 200, and is used to detect the first pressure received by the toothbrush head 110, and when it detects that the first pressure is greater than the first preset pressure value, send a second start signal to the movement component 200. The first preset pressure value can be set by those skilled in the art according to the actual application situation, and this application does not make any restrictions.

[0030] Among them, the movement component 200 is used to power on and start according to the first start signal, and when receiving the second start signal, drive the toothbrush head 110 to vibrate at a first vibration frequency, so that the toothbrush head pressure protection electric toothbrush enters the working mode.

[0031] Please refer to Figure 2 , Figure 2 , which shows a schematic cross-sectional structure diagram of the toothbrush head pressure protection electric toothbrush provided by the embodiment of the present invention. The movement component 200 includes a battery 210, a control main board 220, and a magnetic levitation motor 230; the magnetic levitation motor 230 includes a vibration rod 231, and the vibration rod 231 is connected to the toothbrush head 110 and is used to drive the toothbrush head 110 to vibrate.

[0032] Among them, the control main board 220 is electrically connected to the battery 210 and the magnetic levitation motor 230 respectively, and is used to control the operation of the magnetic levitation motor 230.

[0033] Among them, the battery 210 is used to supply power to the control main board 220 and the magnetic levitation motor 230.

[0034] Please refer to Figure 4 , Figure 4 , which shows an exploded structure diagram of the movement component 200 provided by the embodiment of the present invention. As shown in the figure, a receiving groove for receiving the brush head pressure sensor 140 is provided on the side wall of the vibration rod 231; the brush head pressure sensor 140 is installed in the receiving groove, and the brush head pressure sensor 140 is electrically connected to the control main board 220; the brush head pressure sensor 140 detects the first pressure received by the toothbrush head 110 through the vibration rod 231, and when it detects that the first pressure is greater than the first preset pressure value, sends the second start signal to the control main board 220.

[0035] The control button 130 of the electric toothbrush with toothbrush head pressure protection provided by the embodiment of the present utility model obtains a first start signal, and detects a first pressure received by the toothbrush head through the toothbrush head pressure sensor 140. When it detects that the first pressure is greater than a first preset pressure value, it can send a second start signal, so that the electric toothbrush with toothbrush head pressure protection enters the working mode only when it receives the first start signal and the second start signal. When the user touches the control button 130 to turn on the machine, but the first pressure of the toothbrush head 110 does not exceed the first preset pressure value, that is, the starting pressure value, the toothbrush head 110 does not vibrate, preventing water or toothpaste on the toothbrush head 110 from splashing due to vibration. Only when the toothbrush head 110 is placed in the oral cavity and the first pressure reaches the first preset pressure value, the electric toothbrush with toothbrush head pressure protection enters the working mode.

[0036] In an optional manner, the toothbrush head pressure sensor 140 is further configured to send a reminder signal to the control main board 220 when it detects that the first pressure is greater than a second preset pressure value; the second preset pressure value is greater than the first preset pressure value; when the electric toothbrush with toothbrush head pressure protection is in the working mode, the control main board 220 is further configured to drive the toothbrush head 110 to vibrate at a second vibration frequency according to the reminder signal, so that the electric toothbrush with toothbrush head pressure protection enters the reminder mode; the second vibration frequency is less than the first vibration frequency. It can be understood that the second preset pressure value represents that the toothbrush head 110 is in an overpressure state at this time, and the second preset pressure value can be set by those skilled in the art according to the actual situation. When the first pressure is greater than the second preset pressure value, it is determined that the toothbrush head 110 is in an overpressure state at this time. Excessive pressure plus high-frequency sonic vibration friction of the bristles may cause damage to the teeth, such as harmful health problems such as gum bleeding or dental wedge-shaped wear. Therefore, it is necessary to reduce the vibration frequency when the toothbrush head 110 is in an overpressure state.

[0037] Wherein, the electric toothbrush with toothbrush head pressure protection further includes a reminder indicator light 141 disposed in the housing 120, and the reminder indicator light 141 is electrically connected to the control main board 220. When the electric toothbrush with toothbrush head pressure protection is in the working mode, the control main board 220 is further configured to control the reminder indicator light 141 to light up according to the reminder signal; the housing 120 facing the reminder indicator light 141 is made of a light-transmitting material.

[0038] The electric toothbrush with pressure protection for the toothbrush head provided by the embodiment of the present utility model sets a second preset pressure value. When the electric toothbrush with pressure protection for the toothbrush head is in the working state, the first pressure of the toothbrush head 110 is also monitored in real time through the brush head pressure sensor 140. When it is detected that the first pressure is greater than the second preset pressure value, that is, when it is detected that the toothbrush head 110 is in an overpressure state, the vibration frequency of the toothbrush head 110 is adjusted to be less than that in the normal working mode to remind the user to stop the unhealthy brushing operation. In this way, the electric toothbrush with pressure protection for the toothbrush head provided by the embodiment of the present utility model has a pressure reminder and protection function, can correct the unhealthy brushing operation of the user, and reduce the damage to the teeth.

[0039] Further, in the embodiment of the present utility model, the reminder indicator light 141 also gives a pressure reminder to the user by emitting light when the toothbrush head 110 is in an overpressure state.

[0040] Among them, referring to Figure 2 , the electric toothbrush with pressure protection for the toothbrush head further includes a connecting member 160; the bottom of the toothbrush head 110 is open, and the vibrating rod 231 is connected to the bottom opening of the toothbrush head 110 through the connecting member 160. Specifically, the connecting member 160 includes a top cover 2311 sleeved on the vibrating rod in sequence, a waterproof ring 2312, and a toothbrush head connecting member 111 arranged at the bottom opening of the toothbrush head 110; the vibrating rod 231 of the movement assembly 200 passes through the top cover 2311 and the waterproof ring 2312 in sequence and is connected to the toothbrush head connecting member 111; the toothbrush head connecting member 111 is fitted in the bottom opening of the toothbrush head 110.

[0041] Among them, the top cover 2311 is made of a soft material, which is used to absorb the processing error of the housing 120, and the soft material top cover 2311 can reduce the vibration and noise during the operation of the magnetic levitation motor 230.

[0042] Among them, the waterproof ring 2312 is arranged at the top opening of the housing 120 to prevent external water vapor from entering through the top opening of the housing 120 to protect the movement assembly 200.

[0043] Among them, the movement assembly 200 further includes a movement bracket 250; the movement bracket 250 is respectively provided with channel structures for accommodating the battery 210 and the magnetic levitation motor 230; the battery 210 and the magnetic levitation motor 230 are fixed in the channel structures of the movement bracket 250; the movement bracket 250 is fixedly connected to the housing 120.

[0044] Among them, the magnetic levitation motor 230 further includes a motor main body 232 and a motor end cover 233; one end of the motor main body 232 is connected to the vibration rod 231, and the other end is spaced apart from the battery 210 through the motor end cover 233.

[0045] Among them, the motor end cover 233 is made of a soft material, which is used to eliminate the machining error of the housing 120, and reduce the vibration and noise when the magnetic levitation motor 230 works.

[0046] In the embodiment of the present utility model, by providing the soft top cover 2311 and the motor end cover 233 at both ends of the magnetic levitation motor 230, the machining error of the housing 120 can be effectively eliminated, the assembly stability between components can be improved, so as to reduce the noise generated when the magnetic levitation motor 230 works, and improve the earthquake resistance effect of the housing 120.

[0047] Among them, the control button 130 is further used to send a mode adjustment signal or a stop signal to the control main board 220 under the trigger operation of the user; the control main board 220 is further used to start up according to the mode adjustment signal, and control the movement assembly 200 to drive the toothbrush head 110 to vibrate at different vibration frequencies when receiving the second start signal; or, the control main board 220 is further used to stop the operation of the movement assembly 200 according to the stop signal.

[0048] In an embodiment of the present utility model, the number of the control buttons 130 is set to one, which is used to send a first start signal, a mode adjustment signal or a stop signal to the control main board 220 according to the number of times the user triggers the control button 130.

[0049] In another embodiment of the present utility model, the control button 130 is set as a start button for sending a first start signal, a mode adjustment button for sending a mode adjustment signal, and a stop button for sending a stop signal.

[0050] See Figure 4 , on one side of the control main board 220 facing the side wall of the housing 120, there are several mode indicator lights 222 for representing different modes; the side wall of the mode indicator light 222 facing the housing 120 is made of a light-transmitting material. It can be understood that according to the mode adjustment signal, the control main board 220 controls different mode indicator lights 222 to light up, and the vibration frequencies of the toothbrush head 110 corresponding to different working modes are different.

[0051] Wherein, a light-shielding sheet 221 is further disposed on one side of the control main board 220 facing the side wall of the housing 120. The light-shielding sheet 221 is provided with a plurality of through holes for accommodating the mode indicating lights 220. The mode indicating lights 220 respectively pass through the through holes of the light-shielding sheet 221, and the light-shielding sheet 221 is used to prevent light leakage between adjacent mode indicating lights 220.

[0052] Wherein, the control button 130 and the housing 120 are integrally designed. Optionally, a side wall on the outer surface of the housing 120 is recessed inward to form the control button 130. The thickness of the control button 130 is less than the thickness of the side wall of the housing 120 except for the control button 130. The control button 130 is made of a deformable material for the user to press, and the elastic conductive member 151 is used to absorb the elastic deformation pressure of the control button 130.

[0053] In the embodiment of the present utility model, by integrally designing the control button 130 and the housing 120, and the control button 130 being made of a deformable material, there is no need for a physical movable button, and the housing 120 does not need to be opened, thereby improving the waterproof performance of the housing 120.

[0054] Wherein, the bottom of the housing 120 is open, and the housing 120 further includes a bottom case 121 disposed at the bottom opening. The movement assembly 200 is encapsulated between the inner wall of the housing 120 and the inner surface of the bottom case 121.

[0055] Wherein, the toothbrush head pressure protection electric toothbrush further includes a charging port assembly 240. The bottom case 121 is provided with an opening for accommodating the charging port assembly 240. The charging port assembly 240 is disposed at the opening of the bottom case 121, one end is electrically connected to the battery 210, and the other end is used to connect to an external power source for supplying power to the battery 210. Specifically, the charging port assembly 240 can be set as a TYP-C port.

[0056] Wherein, the housing 120 further includes a detachable waterproof cover 122. The waterproof cover 122 is disposed at the bottom opening of the housing 120 and on the outer surface of the bottom case 121. The waterproof cover 122 is used to prevent external water vapor from entering the charging port assembly 240 through the bottom opening of the housing 120.

[0057] Among them, the electric toothbrush with toothbrush head pressure protection further includes a button pressure sensor assembly 150. The button pressure sensor assembly 150 is disposed on one side of the control main board 220 facing the side wall of the housing 120. The button pressure sensor assembly 150 is electrically connected to the control main board 220, and the other end abuts against the inner surface of the control button 130. The button pressure sensor assembly 150 is configured to obtain the second pressure applied to the outer surface of the control button 130, and when it detects that the second pressure is greater than a third preset pressure value, send the first start signal to the control main board 220.

[0058] Among them, the button pressure sensor assembly 150 includes a conductive elastic member 151 and a button pressure sensor 152. One end of the conductive elastic member 151 abuts against the inner surface of the control button 130, and the other end is electrically connected to the control main board 220. The button pressure sensor 152 is disposed between the conductive elastic member 151 and the control main board 220, and the button pressure sensor 152 is electrically connected to the control main board 220.

[0059] Among them, the control main board 220 is provided with a touch sensing chip (not shown in the figure). A touch sensing portion 1511 is disposed on the surface of the conductive elastic member 151 that abuts against the control button 130. The touch sensing portion 1511 on the conductive elastic member 151 communicates with the touch sensing chip to form a touch sensor. When a human body touches the control button 130, the dielectric constant of the conductive elastic member 151 changes, causing a change in the touch sensing sensitivity capacitance between the conductive elastic member 151 and the touch sensing chip. The touch sensing chip is configured to detect the change amount of the touch sensing sensitivity capacitance, determine whether the control button 130 is triggered by the human body, and when it detects that the control button 130 is triggered by the human body, send a first trigger signal to the control main board 220.

[0060] Among them, the size of the conductive elastic member 151 is larger than that of the button pressure sensor 152, and the conductive elastic member 151 covers the button pressure sensor 152. The conductive elastic member 151 is further configured to absorb the second pressure applied to the control button 130 and transmit it to the button pressure sensor 152. The button pressure sensor 152 is configured to detect the second pressure applied to the control button 130 through the conductive elastic member 151, and when it detects that the second pressure is greater than a third preset pressure value, send the first start signal to the control main board 220. It can be understood that the third preset pressure value is the motor start pressure, and the third preset pressure value can be set by those skilled in the art according to the actual application scenario.

[0061] Among them, the conductive elastic member 151 can be made of conductive silicone.

[0062] Among them, the control main board 220 is further configured to power on and start up according to the first start signal under the trigger of the first trigger signal, and drive the toothbrush head 110 to vibrate at a first vibration frequency when receiving the second start signal, so that the toothbrush head pressure protection electric toothbrush enters the working mode.

[0063] In the embodiment of the present invention, the first trigger signal triggered by the human body on the control button 130 is obtained by setting the conductive elastic member 151 and the touch sensing chip, and the second pressure of the control button 130 being pressed is obtained by setting the conductive elastic member 151 and the button pressure sensor 152. When it is detected that the second pressure is greater than the third preset pressure value, the first start signal is sent to the control main board 220. In this way, the toothbrush head pressure protection electric toothbrush provided by the embodiment of the present invention can be powered on and started up according to the first start signal under the trigger of the first trigger signal, while ensuring the sensing sensitivity of the control button 130, effectively suppressing and eliminating the interference of the surrounding electrical environment, and effectively preventing accidental pressing of the control button 130 to cause power on through the touch sensing chip.

[0064] In a specific embodiment of the present invention, the control main board 220 is provided with a main control chip, a touch sensing chip, a sensor unit and a charging unit; the main control unit is configured to obtain the first trigger signal of the touch sensing chip, the first start signal and the second start signal of the sensor unit, and control the operation of the magnetic levitation motor 230; the charging unit is configured to supply power to the control main board 220 and the magnetic levitation motor 230 through the battery 210.

[0065] Among them, the main control chip may adopt a chip of model SC8F2892B, and the touch sensing chip adopts a chip of model RM1233AM; the Q pin of the touch sensing chip is connected to the PWC4 / KEY4 / RB4 pin of the main control chip for transmitting the first trigger signal to the main control chip; the I pin of the touch sensing chip is connected to the conductive silica gel 151 for detecting the touch signal of the human body through the conductive silica gel 151. The sensor unit includes a button pressure sensor 152, a brush head pressure sensor 140 and a sensor chip. The sensor chip may adopt a chip of model CSU18M68-QFN16-3X3. The sensor chip is electrically connected to the button pressure sensor 152 and the brush head pressure sensor 140 respectively, and is connected to the SDA pin of the main control chip through the SDA pin of the sensor chip to construct a data transmission channel.

[0066] It should be noted that unless otherwise specified, the technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings understood by those skilled in the art to which the embodiments of the present invention belong.

[0067] In the description of the embodiments of the present invention, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the embodiments of the present invention.

[0068] In addition, technical terms such as "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. In the description of the embodiments of the present invention, the meaning of "a plurality" is more than two, unless otherwise specifically defined.

[0069] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0070] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the specification of the present invention. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions that fall within the scope of the claims.

Claims

1. An electric toothbrush with pressure protection for the toothbrush head, characterized in that: The toothbrush head pressure protection electric toothbrush comprises: a toothbrush head, a shell, a control button arranged on the surface of the shell, a brush head pressure sensor and a movement assembly arranged in the shell; The top of the shell is open, the toothbrush head is mounted on the top of the shell, and is connected to the core assembly through the top opening of the shell; The control button is connected to the movement assembly and is used to send a first start signal to the movement assembly under a trigger operation of a user; The brush head pressure sensor is connected to the core assembly, and is used to detect a first pressure on the toothbrush head, and when it is detected that the first pressure is greater than a first preset pressure value, sends a second start signal to the core assembly; The movement assembly is used to start up according to the first start signal, and drive the toothbrush head to vibrate at a first vibration frequency when receiving the second start signal, so that the toothbrush head pressure protection electric toothbrush enters a working mode.

2. The electric toothbrush with pressure protection for the toothbrush head according to claim 1, characterized in that: The core assembly includes a battery, a control mainboard and a magnetic levitation motor; the magnetic levitation motor includes a vibration rod, which is connected to the toothbrush head and is used to drive the toothbrush head to vibrate; The control mainboard is electrically connected to the battery and the magnetic levitation motor respectively, and is used to control the operation of the magnetic levitation motor; The battery is used to supply power to the control mainboard and the magnetic levitation motor.

3. The toothbrush head pressure protection electric toothbrush according to claim 2, characterized in that: The side wall of the vibration rod is provided with a receiving groove for receiving the brush head pressure sensor; The brush head pressure sensor is installed in the receiving groove, and the brush head pressure sensor is electrically connected to the control main board; the brush head pressure sensor detects the first pressure applied to the toothbrush head through the vibration rod, and when it detects that the first pressure is greater than the first preset pressure value, it sends the second start signal to the control main board.

4. The electric toothbrush with pressure protection for the toothbrush head according to claim 3, characterized in that: The brush head pressure sensor is also used to send a reminder signal to the control mainboard when it detects that the first pressure is greater than a second preset pressure value; the second preset pressure value is greater than the first preset pressure value; When the toothbrush head pressure protection electric toothbrush is in working mode, the control mainboard is also used to drive the toothbrush head to vibrate at a second vibration frequency according to the reminder signal, so that the toothbrush head pressure protection electric toothbrush enters the reminder mode; the second vibration frequency is less than the first vibration frequency.

5. The electric toothbrush with pressure protection for the toothbrush head according to claim 2, characterized in that: The toothbrush head pressure protection electric toothbrush also includes a connecting piece; The bottom of the toothbrush head is open, and the vibration rod is connected to the bottom opening of the toothbrush head through the connecting piece.

6. The electric toothbrush with pressure protection for the toothbrush head according to claim 5, characterized in that: The connecting piece comprises a top cover and a waterproof ring which are sequentially sleeved on the vibration rod, and a toothbrush head connecting piece which is arranged at the bottom opening of the toothbrush head; The vibration rod of the core assembly passes through the top cover and the waterproof ring in sequence, and is connected to the toothbrush head connector.

7. The electric toothbrush with pressure protection for the toothbrush head according to claim 2, characterized in that: The control button is also used to send a mode adjustment signal or a stop signal to the control main board under the trigger operation of the user; The control mainboard is also used to start the machine according to the mode adjustment signal, and control the movement assembly to drive the toothbrush head to vibrate at different vibration frequencies when receiving the second start signal; Alternatively, the control mainboard is further used to stop the movement component from working according to the stop signal.

8. The electric toothbrush with pressure protection for the toothbrush head according to claim 2, characterized in that: The toothbrush head pressure protection electric toothbrush further comprises a button pressure sensor assembly, wherein the button pressure sensor assembly is electrically connected to the control main board, and the other end of the button pressure sensor assembly abuts against the inner surface of the control button; The button pressure sensor assembly is used to obtain the second pressure exerted on the outer surface of the control button, and send the first start signal to the control main board when it is detected that the second pressure is greater than a third preset pressure value.

9. The electric toothbrush with pressure protection for the toothbrush head according to claim 2, characterized in that: The movement assembly also includes a movement bracket; The movement bracket is respectively provided with a channel structure for accommodating the battery and the magnetic levitation motor; the battery and the magnetic levitation motor are fixed in the channel structure of the movement bracket; The movement bracket is fixedly connected to the shell.

10. The electric toothbrush with pressure protection for the toothbrush head according to claim 9, characterized in that: The magnetic levitation motor also includes a motor body and a motor tail cover; One end of the motor body is connected to the vibration rod, and the other end is spaced apart from the battery through the motor tail cover.

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