WO2021244178A1

WO2021244178A1 - Electric toothbrush

Info

Publication number: WO2021244178A1
Application number: PCT/CN2021/088887
Authority: WO
Inventors: 彭洋
Original assignee: 京东方科技集团股份有限公司
Priority date: 2020-05-30
Filing date: 2021-04-22
Publication date: 2021-12-09
Also published as: CN213156656U

Abstract

An electric toothbrush, comprising: a handle (10), a motor (101) and a control circuit board (102) being accommodated in the handle (10), an output shaft of the motor (101) being connected to one end of a transmission rod (11), and the other end of the transmission rod (11) being positioned on the outer side of the handle (10); and a brush head (20), which is fitted over the outer side surface of the transmission rod (11) and provided with a camera module (201). The transmission rod (11) is provided with a connecting terminal (12) adapted to be electrically connected to the camera module (201), and the connecting terminal (12) is connected to the control circuit board (102) by means of a cable (104). According to the electric toothbrush, observation and inspection of the interior of the oral cavity are achieved by replacing the brush head (20) having the camera module (201), oral hygiene of a user is effectively improved, and the problem of the oral cavity is solved.

Description

electric toothbrush

Cross-references to related applications

The present disclosure requires the priority of a Chinese patent application filed with the Chinese Patent Office with an application number of 202020962600.7 and an application name of "an electric toothbrush" on May 30, 2020, the entire content of which is incorporated into the present disclosure by reference.

Technical field

The present disclosure relates to the technical field of toothbrushes, in particular to an electric toothbrush.

Background technique

As a personal care appliance in the field of oral health care, electric toothbrushes use the rapid rotation or vibration of the motor core to generate high-frequency vibrations in the brush head, which decomposes toothpaste into fine foam and then cleans the teeth in depth. Compared with ordinary toothbrushes, it can be more effective. Thoroughly remove dental plaque.

As a user of an electric toothbrush, it is sometimes desirable to observe the conditions in the oral cavity, such as information on where the tartar is attached, and whether the tartar is removed after brushing.

Summary of the invention

The embodiment of the present disclosure provides an electric toothbrush, including:

A handle, the handle contains a motor and a control circuit board, the handle also includes a transmission rod, one end of the transmission rod is accommodated in the handle and connected to the output shaft of the motor, and the other of the transmission rod One end is located outside the handle;

A brush head with a camera module is sleeved on the outside of the transmission rod;

Wherein, the transmission rod is provided with a connecting terminal for electrically connecting with the camera module, and the connecting terminal is connected with the control circuit board through a cable.

Optionally, a plug-in interface connected with the camera module is provided in the brush head, and the camera module sends a signal to the control circuit board through the coupling of the plug-in interface and the connection terminal.

Optionally, the connecting terminal is provided at the end of the transmission rod.

Optionally, the connecting terminal is arranged on the outer side of the transmission rod.

Optionally, the transmission rod is configured as a hollow structure formed with a containing cavity, and the cable passes through the containing cavity and is connected to the control circuit board.

Optionally, an opening is provided at the top of the accommodating cavity, and the connecting terminal is arranged in the accommodating cavity of the transmission rod.

Optionally, the connecting terminal is fixedly coupled to the inner surface of the transmission rod through an insulating medium.

Optionally, the connection terminal is a USB interface.

Optionally, the connecting terminal is a socket with a plurality of PIN pins.

Optionally, the inner surface of the transmission rod close to the brush head is provided with a waterproof structure for blocking water from entering the inside of the transmission rod.

Optionally, the waterproof structure is a buckle structure arranged on the inner surface of the transmission rod to engage with the brush head.

Optionally, a waterproof silicone film is provided on the surface of the buckle structure.

Optionally, the waterproof structure is a silicone membrane arranged on the inner surface of the transmission rod.

Optionally, a cushioning groove is provided between the transmission shaft and the handle, and the cushioning groove is filled with an elastic buffer material.

Optionally, the camera module of the brush head includes a light source and a photoelectric conversion chip.

Optionally, the camera module is coated with heat-dissipating silica gel.

Optionally, the photoelectric conversion chip is coated with heat-dissipating silica gel.

Optionally, the control circuit board is provided with a timing circuit for limiting the working time of the camera module.

Optionally, the control circuit board is provided with a wireless communication circuit for sending the image generated by the camera module to the outside.

Description of the drawings

Figure 1 shows a schematic diagram of an exploded structure of an electric toothbrush provided by an embodiment of the present disclosure;

Figure 2 shows a top view of a handle in an electric toothbrush provided by an embodiment of the present disclosure;

Figure 3 shows a schematic diagram of the structure of a brush head in an electric toothbrush provided by an embodiment of the present disclosure;

Fig. 4 shows a cross-sectional view of a handle in an electric toothbrush provided by an embodiment of the present disclosure.

detailed description

In order to explain the present disclosure more clearly, the following further describes the present disclosure with reference to preferred embodiments and drawings. Similar components in the drawings are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not be used to limit the scope of protection of the present disclosure.

In an embodiment of the electric toothbrush of the present disclosure as shown in FIGS. 1 and 4, the electric toothbrush includes a handle 10 and a brush head 20 with a camera module. The handle 10 has a built-in motor 101 as a driving source and a control circuit board. 102. The handle 10 further includes a transmission rod 11, one end of the transmission rod 11 is housed in the handle 10 and connected to the output shaft of the motor 101, the other end is located outside the handle 10, and the brush head 20 is sleeved on the outside of the transmission rod 11.

The handle 10 has a substantially cylindrical shape, which is convenient for the user to hold when brushing teeth. The surface of the handle 10 is provided with a key switch, which is connected to the control circuit board 102 and is used to start and stop the motor 101 and the camera module.

The rotation of the motor 101 drives the transmission rod 11 to periodically vibrate, thereby driving the brush head 20 to move to achieve cleaning of the teeth. The transmission rod 11 is provided with a connecting terminal 12, and the connecting terminal 12 is connected to the control circuit board 102 through a cable 104. The brush head 20 is provided with a plug-in interface for connecting with the camera module. When the brush head 20 is sleeved on the transmission rod 11, the plug-in interface is engaged with the connection terminal 12 to realize the signal transmission between the camera module and the control circuit board 102. , So as to obtain the image of the oral cavity.

In the electric toothbrush provided by the embodiment of the present disclosure, the connecting terminal 12 is provided on the transmission rod 11, so that when the user inserts the brush head 20 into the transmission rod 11, the connecting terminal 12 is also electrically connected to the camera module, which simplifies Operation improves the user experience. It should be noted that when the camera module is started, the control circuit board 102 should stop the motor 101 from rotating to avoid blurring of the image due to the vibration of the brush head 20.

Optionally, in the electric toothbrush provided by some embodiments of the present disclosure, the connecting terminal 12 may be arranged on the outer side of the transmission rod 11. In one embodiment, the connecting terminal 12 is specifically arranged at the top end of the transmission rod 11, the transmission rod 11 is configured as a hollow structure formed with a receiving cavity, and the cable 104 passes through the receiving cavity and is connected to the control circuit board 102.

Optionally, in the electric toothbrush provided by some embodiments of the present disclosure, the connection terminal 12 may be provided inside the transmission rod 11. In one embodiment, the top end of the transmission rod 11 is provided with an opening, that is, the top end of the accommodating cavity in the transmission rod 11 is opened, and the connecting terminal 12 is provided in the accommodating cavity of the transmission rod 11.

Specifically, as shown in the top view of the handle in FIG. 2, the connecting terminal 12 is fixedly arranged in the accommodating cavity of the transmission rod 11 through an insulating medium, and the connecting terminal 12 is located inside the transmission rod 11, which can protect the connection terminal 12 and prevent the connection terminal from being connected. 12 Damaged. The connecting terminal 12 may be a USB interface or a jack with multiple PIN pins, which can be selected by those skilled in the art as required.

Optionally, in the electric toothbrush provided by some embodiments of the present disclosure, the inner surface of the transmission rod 11 is provided with a waterproof structure for waterproofing. In one embodiment, the waterproof structure is a silicone membrane, which is arranged near the top of the transmission rod 11, that is, a silicone membrane is provided on the inner surface of the transmission rod 11 close to the brush head, which can prevent the brush head 20 from being inserted into the transmission rod 11. When it is up, water flows into the connection terminal 12.

In one embodiment, the waterproof structure is a buckle structure on the inner surface of the top end of the transmission rod 11, and the buckle structure prevents water from entering the transmission rod 11 through cooperation with the buckle structure on the brush head. Further, the surface of the buckle structure is provided with a silicone film for waterproofing.

In one embodiment, the handle 10 is provided with a cushioning groove, the cushioning groove is located between the handle 10 and the transmission rod 11, the cushioning groove extends along the circumference of the transmission rod 11, and the cushioning groove is filled with elastic cushioning material, The elastic cushioning material is in close contact with the transmission rod 11, which can reduce the vibration transmitted from the transmission rod 11 to the handle 10, greatly reduce the vibration felt by the user's hands when using the electric toothbrush, and enhance the customer's experience.

In one embodiment, the brush head 20 may include a toothbrush head with only bristles and another toothbrush head with a camera module. By replacing these two toothbrush heads, it can be used between the functions of brushing teeth and obtaining oral images. Switch between.

The brush head 20 shown in FIG. 3 is a toothbrush head with a camera module 201, which includes a light source and a photoelectric conversion chip. The camera module 201 is arranged at the upper end of the brush head 20 and is at 90 degrees to the extension direction of the brush head 20 to facilitate viewing the inside and outside of the teeth. The camera module 201 can also be arranged on the top of the brush head 20 to facilitate viewing of the throat, nasal cavity and the like.

The camera module 201 adopts a miniaturized design, the lens size is 3-5 mm, the focal length is 5-10 mm, and the light source adopts LED lights. The camera module 201 transmits the image signal to the control circuit board 102 through the connection terminal 12 and the cable 104.

The bottom end of the brush head 20 is provided with an insertion interface 202 for connecting with the connecting terminal 12 and a groove for accommodating the transmission rod 11. When the brush head 20 is inserted into the transmission rod 11, the transmission rod 11 is inserted into the recess. In the slot, the insertion interface 202 is engaged with the connecting terminal 12 on the transmission rod 11.

In one embodiment, the LED light source and the photoelectric conversion chip in the camera module 201 are coated with heat-dissipating silica gel, which reduces the temperature of the camera module and prolongs the use time of the camera module 201.

In one embodiment, the photoelectric conversion chip is coated with heat-dissipating silica gel, and the heat-dissipating silica gel improves the heat dissipation of the photoelectric conversion chip, reduces the heat accumulation of the photoelectric conversion chip, and prolongs the use time of the camera module 201.

Please refer to FIG. 1 and FIG. 4 again, the handle 10 also contains a battery 103 for supplying power, and the battery 103 is charged through the wireless charging base 30.

In one embodiment, the control circuit board 102 is provided with a timing circuit. When the camera module 201 starts to work, the timing circuit starts timing. After a predetermined time period is reached, the control circuit board 102 stops the camera module 201 from working. The photoelectric conversion chip works for a long time.

In one embodiment, the control circuit board 102 is also provided with a wireless communication circuit. The wireless communication circuit can use eSim to send the image collected by the camera module 201 to the server, and the server sends the image to the user's mobile terminal, so that the user Able to see the images in one's own mouth.

Further, the server can also process the collected images. Specifically, a pre-trained image recognition network is deployed on the server, and the collected images are recognized through the image recognition network to determine the condition of the user’s oral teeth, and Send the judgment result to the user's mobile terminal for the user's reference.

Obviously, the above-mentioned embodiments of the present disclosure are merely examples to clearly illustrate the present disclosure, and are not intended to limit the implementation of the present disclosure. For those of ordinary skill in the art, they can also do on the basis of the foregoing description. Other changes or changes in different forms cannot be exhaustively listed here. Any obvious changes or changes derived from the technical solutions of the present disclosure are still within the protection scope of the present disclosure.

Claims

An electric toothbrush, which includes:

A handle, the handle contains a motor and a control circuit board, the handle also includes a transmission rod, one end of the transmission rod is accommodated in the handle and connected to the output shaft of the motor, and the other of the transmission rod One end is located outside the handle;

A brush head with a camera module is sleeved on the outside of the transmission rod;

Wherein, the transmission rod is provided with a connecting terminal for electrically connecting with the camera module, and the connecting terminal is connected with the control circuit board through a cable.
The electric toothbrush according to claim 1, wherein the brush head is provided with an insertion interface connected with the camera module, and the camera module faces the The control circuit board sends a signal.
The electric toothbrush according to claim 1, wherein the connection terminal is provided at an end of the transmission rod.
The electric toothbrush according to claim 3, wherein the connection terminal is provided on the outer side of the transmission rod.
The electric toothbrush according to claim 1, wherein the transmission rod is provided as a hollow structure formed with a containing cavity, and the cable passes through the containing cavity and is connected to the control circuit board.
The electric toothbrush according to claim 5, wherein the top end of the accommodating cavity is provided with an opening, and the connecting terminal is arranged in the accommodating cavity of the transmission rod.
The electric toothbrush according to claim 6, wherein the connection terminal is fixedly coupled to the inner surface of the transmission rod through an insulating medium.
The electric toothbrush according to claim 1, wherein the connection terminal is a USB interface.
The electric toothbrush according to claim 1, wherein the connection terminal is a socket with a plurality of PIN pins.
The electric toothbrush according to claim 1, wherein the inner surface of the transmission rod close to the brush head is provided with a waterproof structure for blocking the entry of water.
The electric toothbrush according to claim 10, wherein the waterproof structure is a snap structure arranged on the inner surface of the transmission rod to engage with the brush head.
The electric toothbrush according to claim 11, wherein the surface of the buckle structure is provided with a waterproof silicone film.
The electric toothbrush according to claim 10, wherein the waterproof structure is a silicone film arranged on the inner surface of the transmission rod.
The electric toothbrush according to claim 1, wherein a cushioning groove is provided between the transmission shaft and the handle, and the cushioning groove is filled with an elastic buffer material.
The electric toothbrush according to claim 1, wherein the camera module of the brush head includes a light source and a photoelectric conversion chip.
The electric toothbrush according to claim 15, wherein the camera module is coated with heat-dissipating silica gel.
The electric toothbrush according to claim 15, wherein the photoelectric conversion chip is coated with heat-dissipating silica gel.
The electric toothbrush according to any one of claims 1-17, wherein the control circuit board is provided with a timing circuit for limiting the operating time of the camera module.
The electric toothbrush according to any one of claims 1-17, wherein the control circuit board is provided with a wireless communication circuit for sending the image generated by the camera module to the outside.