CN110537991A - Electric toothbrush with pressure sensor - Google Patents
Electric toothbrush with pressure sensor Download PDFInfo
- Publication number
- CN110537991A CN110537991A CN201910851836.5A CN201910851836A CN110537991A CN 110537991 A CN110537991 A CN 110537991A CN 201910851836 A CN201910851836 A CN 201910851836A CN 110537991 A CN110537991 A CN 110537991A
- Authority
- CN
- China
- Prior art keywords
- sensor
- motor
- electric toothbrush
- circuit board
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 description 5
- 230000001680 brushing effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention discloses an electric toothbrush with a pressure sensor, which comprises a main control circuit board, a battery assembly, a sensor assembly and a motor assembly, wherein the battery assembly comprises a battery and a battery frame; when the first atress of brush, the downward skew of continuous motor shaft, because motor frame hub connection is on the motor fixed block, motor element can take place to rotate, the offset of pressure head of sensor is enough big then can trigger sensor element and produce the signal to the transmission is for master control circuit board, sends alarm signal or stop supplying power and gives motor element, and is not too big again until the first atress of brush, and this electric toothbrush can effectively reduce the risk of damaging the gum, can guide the user to improve bad brush teeth custom moreover.
Description
Technical Field
The invention relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with a pressure sensor.
Background
Electric toothbrushes have been accepted by the public for their effective teeth cleaning. As more and more brands and manufacturers have joined the electric toothbrush industry, the electric toothbrush technology is being pushed to update iteratively. The electric toothbrush is generally composed of five core components, namely a driving motor, a control panel, a battery, a shell and a brush head.
At present, when a plurality of electric toothbrushes are used, the force applied by a user is too large due to personal reasons, so that the cleaning effect is reduced, and gums are damaged.
Disclosure of Invention
The present invention has been made to solve at least one of the problems occurring in the prior art, and an object of the present invention is to provide an electric toothbrush with a pressure sensor, which can reduce the risk of gum damage.
the invention provides an electric toothbrush with a pressure sensor, which comprises a shell, a brush head arranged at the front end of the shell, and a main control circuit board, a battery assembly, a sensor assembly and a motor assembly which are arranged in the shell, wherein the battery assembly comprises a battery and a battery rack for fixing the battery, the battery rack is fixed at the rear part of the shell, the motor assembly comprises a vibrating motor and a motor rack for fixing the vibrating motor, the motor rack is positioned at the front part of the shell, the front end of the shell is provided with a shaft hole, the vibrating motor extends out of a motor shaft from the shaft hole, the brush head is arranged on the motor shaft, the front end of the battery rack extends out of a motor fixing block and a sensor fixing block, the motor rack is axially connected to the motor fixing block, the sensor assembly is fixed on the sensor fixing block, the rear end of vibrating motor is provided with the sensor pressure head, the sensor pressure head is located under the sensor subassembly, still be provided with the elastomer between sensor fixed block and the sensor pressure head, battery, vibrating motor and sensor subassembly electricity respectively are connected master control circuit board.
The electric toothbrush at least has the following beneficial effects: when brush first atress, the skew down of continuous motor shaft, because motor frame hub joint is on the motor fixed block, motor element can take place to rotate, the sensor pressure head of vibrating motor rear end can upwards extrude the elastomer, the offset when the sensor pressure head is enough big then can trigger sensor element and produce the signal, and transmit for master control circuit board, send alarm signal or stop supplying power and give motor element, it is not too big again until brush first atress, this electric toothbrush can effectively reduce the risk of damaging the gum, and can guide the user to improve bad habit of brushing teeth.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the sensor assembly comprises a sensor supporting circuit board and a sensor attached to the sensor supporting circuit board, the sensor supporting circuit board is mounted on the sensor fixing block, the sensor faces downwards and is positioned right above the sensor pressure head, and the sensor supporting circuit board is electrically connected with the main control circuit board. The sensor supporting circuit board and the sensor are arranged, and a sensor pressure head is arranged right above the sensor, and after the sensor is pressed, the sensor supporting circuit board outputs signals to the main control circuit board.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the sensor is a piezoelectric sensor. The piezoelectric sensor can effectively monitor weak vibration signals.
According to the electric toothbrush with the pressure sensor, waterproof silica gel is arranged between the shaft hole and the motor shaft, and a top column is further arranged between the front end of the motor frame and the shell. The combination of the top column and the waterproof silica gel plays a waterproof role, the waterproof silica gel is tightly sleeved on the motor shaft to form a sealing ring surface, and moisture is prevented from entering the shell 10 from the shaft hole.
According to the electric toothbrush with the pressure sensor, the front end of the top column extrudes the waterproof silica gel to enable the waterproof silica gel to be pressed against the inner wall of the shell. Thereby the waterproof silica gel of fore-set extrusion makes and forms waterproof sealed face at the inner wall of waterproof silica gel at the shell, prevents the water infiltration.
According to the electric toothbrush with the pressure sensor, a circle of bulges are arranged at the rear end of the top column and abut against the front end of the motor frame. The rear end of the top column is provided with a circle of protrusions, so that the contact area between the top column and the motor frame can be smaller, and the friction force during sliding is reduced.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the vibration motor is a sound wave vibration motor.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the sensor pressure head is high in rigidity, non-elastic and hard connected with the vibration motor. The weak vibration of the vibration motor can be effectively transmitted.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the elastic body is a spring, elastic silica gel or a shrapnel.
According to the electric toothbrush with the pressure sensor, the main control circuit board is further provided with a signal lamp for alarming. The signal lamp is arranged, so that a user can visually see the alarm signal, and the bad tooth brushing habit is corrected.
According to the electric toothbrush with the pressure sensor in the main aspect of the invention, the motor fixing block is in an L shape which is horizontally placed.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
Fig. 1 is a schematic structural view of an electric toothbrush with a pressure sensor according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an embodiment of the present invention provides an electric toothbrush with a pressure sensor, including a housing 10, a brush head 60 disposed at a front end of the housing 10, and a main control circuit board 20, a battery assembly 30, a sensor assembly 40, and a motor assembly 50 disposed inside the housing 10, the battery assembly 30 includes a battery 31 and a battery holder 32 for fixing the battery 31, the battery holder 32 is fixed at a rear portion of the housing 10, the motor assembly 50 includes a vibration motor 51 and a motor holder 52 for fixing the vibration motor 51, the motor holder 52 is disposed at a front portion of the housing 10, a shaft hole is disposed at the front end of the housing 10, the vibration motor 51 extends out of the shaft hole to form a motor shaft 55, the brush head 60 is mounted on the motor shaft 55, a motor fixing block 321 and a sensor fixing block 322 extend from the front end of the battery holder 32, the motor holder 52 is coupled to the motor fixing block 321, the, the rear end of the vibration motor 51 is provided with a sensor pressure head 53, the sensor pressure head 53 is positioned under the sensor assembly 40, an elastic body 54 is further arranged between the sensor fixing block 322 and the sensor pressure head 53, and the battery 31, the vibration motor 51 and the sensor assembly 40 are respectively and electrically connected with the main control circuit board 20.
In this embodiment, when the brush head 60 is stressed, the connected motor shaft 55 deflects downwards, because the motor frame 52 is coupled to the motor fixing block 321, the motor assembly 50 rotates, the sensor pressure head 53 at the rear end of the vibration motor 51 extrudes the elastic body 54 upwards, when the offset of the sensor pressure head 53 is large enough, the sensor assembly 40 is triggered to generate a signal and transmits the signal to the main control circuit board 20, and an alarm signal is sent or power supply is stopped to the motor assembly 50 until the brush head 60 is not stressed too much any more, so that the risk of damaging the gum can be effectively reduced, and the bad brushing habit of the teeth can be improved by a user.
Referring to fig. 1, another embodiment of the present invention further provides an electric toothbrush with a pressure sensor, wherein the sensor assembly 40 includes a sensor support circuit board 42 and a sensor 41 attached to the sensor support circuit board 42, the sensor support circuit board 42 is mounted on the sensor fixing block 322, the sensor 41 faces downward and is positioned right above the sensor head 53, and the sensor support circuit board 42 is electrically connected to the main control circuit board 20.
In the present embodiment, the sensor support circuit board 42 and the sensor 41 are provided, and the sensor 41 is directly above the sensor head 53, and after the sensor 41 is pressed, a signal is output to the main control circuit board 20 through the sensor support circuit board 42.
Referring to fig. 1, another embodiment of the present invention also provides an electric toothbrush with a pressure sensor, wherein the sensor 41 is a piezoelectric sensor. The piezoelectric sensor can effectively monitor weak vibration signals.
Referring to fig. 1, another embodiment of the present invention further provides an electric toothbrush with a pressure sensor, wherein a waterproof silicone rubber 57 is disposed between the shaft hole and the motor shaft 55, and a top pillar 56 is disposed between the front end of the motor frame 52 and the housing 10.
In this embodiment, the top pillar 56 and the waterproof silicone 57 are combined to achieve the waterproof function, and the waterproof silicone 57 is tightly sleeved on the motor shaft 55 to form a sealing ring surface, so as to prevent moisture from entering the inside of the housing 10 from the shaft hole.
Referring to fig. 1, another embodiment of the present invention also provides an electric toothbrush with a pressure sensor, in which the front end of the top pillar 56 presses the waterproof silicone 57 so that the waterproof silicone 57 is pressed against the inner wall of the housing 10.
In the present embodiment, the top pillar 56 presses the waterproof silicone rubber 57 so that a waterproof sealing surface is formed at the waterproof silicone rubber 57 on the inner wall of the housing 10, preventing water from penetrating.
Referring to fig. 1, another embodiment of the present invention further provides an electric toothbrush with a pressure sensor, wherein a ring of protrusions is disposed at the rear end of the top pillar 56, and the protrusions press against the front end of the motor frame 52.
In this embodiment, the rear end of the top pillar 56 is provided with a circle of protrusions to reduce the contact area between the top pillar 56 and the motor frame 52, thereby reducing the friction force during sliding.
Preferably, the vibration motor 51 is a sonic vibration motor.
Preferably, the elastic body 54 is a spring, an elastic silicone or a spring plate.
Referring to fig. 1, another embodiment of the present invention also provides an electric toothbrush with a pressure sensor, in which a sensor head 53 is rigid, inelastic, and hard-coupled to a vibration motor 51, and can effectively transmit weak vibration of the vibration motor 51.
Referring to fig. 1, another embodiment of the present invention further provides an electric toothbrush with a pressure sensor, wherein a signal lamp for alarming is further provided on the main control circuit board 20.
In the embodiment, the signal lamp is arranged, so that a user can visually see the alarm signal, and poor tooth brushing habits are corrected.
Specifically, the motor fixing block 321 is L-shaped and horizontally disposed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An electric toothbrush with a pressure sensor is characterized by comprising a shell, a brush head arranged at the front end of the shell, a main control circuit board, a battery assembly, a sensor assembly and a motor assembly, wherein the main control circuit board, the battery assembly, the sensor assembly and the motor assembly are arranged in the shell, the battery assembly comprises a battery and a battery frame for fixing the battery, the battery frame is fixed at the rear part of the shell, the motor assembly comprises a vibration motor and a motor frame for fixing the vibration motor, the motor frame is positioned at the front part of the shell, a shaft hole is formed in the front end of the shell, the vibration motor extends out of a motor shaft from the shaft hole, the brush head is arranged on the motor shaft, a motor fixing block and a sensor fixing block are extended out of the front end of the battery frame, the motor frame is connected to the motor fixing block in a shaft mode, the rear end of vibrating motor is provided with the sensor pressure head, the sensor pressure head is located under the sensor subassembly, still be provided with the elastomer between sensor fixed block and the sensor pressure head, battery, vibrating motor and sensor subassembly electricity respectively are connected master control circuit board.
2. The electric toothbrush with the pressure sensor as claimed in claim 1, wherein the sensor assembly comprises a sensor supporting circuit board and a sensor attached to the sensor supporting circuit board, the sensor supporting circuit board is mounted on the sensor fixing block, the sensor faces downwards and is located right above the sensor pressing head, and the sensor supporting circuit board is electrically connected with the main control circuit board.
3. The powered toothbrush with a pressure transducer of claim 2, wherein the transducer is a piezoelectric transducer.
4. The electric toothbrush with the pressure sensor as claimed in claim 1, wherein a waterproof silica gel is disposed between the shaft hole and the motor shaft, and a top pillar is disposed between the front end of the motor frame and the housing.
5. The electric toothbrush with the pressure sensor as claimed in claim 4, wherein the front end of the top pillar presses the waterproof silicone rubber to press the waterproof silicone rubber against the inner wall of the housing.
6. The electric toothbrush with the pressure sensor as claimed in claim 4, wherein a circle of protrusion is arranged at the rear end of the top pillar, and the protrusion abuts against the front end of the motor frame.
7. The electric toothbrush with a pressure sensor of claim 1, wherein the vibration motor is a sonic vibration motor.
8. The electric toothbrush with the pressure sensor according to claim 1, wherein the elastic body is a spring, an elastic silica gel or a shrapnel.
9. The electric toothbrush with the pressure sensor as claimed in claim 1, wherein a signal lamp for alarming is further provided on the main control circuit board.
10. The electric toothbrush with the pressure sensor as claimed in claim 1, wherein the motor fixing block is in an L shape horizontally placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851836.5A CN110537991A (en) | 2019-09-10 | 2019-09-10 | Electric toothbrush with pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851836.5A CN110537991A (en) | 2019-09-10 | 2019-09-10 | Electric toothbrush with pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110537991A true CN110537991A (en) | 2019-12-06 |
Family
ID=68713173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910851836.5A Pending CN110537991A (en) | 2019-09-10 | 2019-09-10 | Electric toothbrush with pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110537991A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494169A (en) * | 2020-11-09 | 2021-03-16 | 南昌大学 | Finger-worn multifunctional dental equipment suitable for multi-posture medical use of patient |
| CN113081357A (en) * | 2021-03-18 | 2021-07-09 | 东莞微感电子技术有限公司 | Electric tooth brush |
| WO2021233425A1 (en) * | 2020-05-22 | 2021-11-25 | 美家智能科技(广州)有限公司 | Pressure-sensing electric toothbrush |
| TWI779680B (en) * | 2021-06-22 | 2022-10-01 | 亞東學校財團法人亞東科技大學 | Clean electric assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095848A (en) * | 2018-02-13 | 2018-06-01 | 舒可士（深圳）科技有限公司 | A kind of electric toothbrush |
| CN110013337A (en) * | 2019-03-12 | 2019-07-16 | 深圳市云顶信息技术有限公司 | Electric toothbrush |
| CN211023247U (en) * | 2019-09-10 | 2020-07-17 | 深圳汇盈达科技有限公司 | Electric toothbrush with pressure sensor |
-
2019
- 2019-09-10 CN CN201910851836.5A patent/CN110537991A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095848A (en) * | 2018-02-13 | 2018-06-01 | 舒可士（深圳）科技有限公司 | A kind of electric toothbrush |
| CN110013337A (en) * | 2019-03-12 | 2019-07-16 | 深圳市云顶信息技术有限公司 | Electric toothbrush |
| CN211023247U (en) * | 2019-09-10 | 2020-07-17 | 深圳汇盈达科技有限公司 | Electric toothbrush with pressure sensor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233425A1 (en) * | 2020-05-22 | 2021-11-25 | 美家智能科技(广州)有限公司 | Pressure-sensing electric toothbrush |
| CN112494169A (en) * | 2020-11-09 | 2021-03-16 | 南昌大学 | Finger-worn multifunctional dental equipment suitable for multi-posture medical use of patient |
| CN113081357A (en) * | 2021-03-18 | 2021-07-09 | 东莞微感电子技术有限公司 | Electric tooth brush |
| TWI779680B (en) * | 2021-06-22 | 2022-10-01 | 亞東學校財團法人亞東科技大學 | Clean electric assembly |
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