CN114428468A - Electric tooth set chip with entrance detection function - Google Patents
Electric tooth set chip with entrance detection function Download PDFInfo
- Publication number
- CN114428468A CN114428468A CN202111148879.0A CN202111148879A CN114428468A CN 114428468 A CN114428468 A CN 114428468A CN 202111148879 A CN202111148879 A CN 202111148879A CN 114428468 A CN114428468 A CN 114428468A
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- China
- Prior art keywords
- dental appliance
- chip
- electric
- motor
- detection circuit
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- 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.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 210000000214 mouth Anatomy 0.000 claims abstract description 23
- 230000001680 brushing effect Effects 0.000 claims abstract description 8
- 230000003993 interaction Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229940034610 toothpaste Drugs 0.000 description 2
- 239000000606 toothpaste Substances 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The invention discloses an electric tooth-brushing tool chip with an entrance detection function, which is characterized in that: the chip comprises an entrance detection circuit and a key processing circuit, wherein the entrance detection circuit is used for detecting whether the dental appliance enters the oral cavity or not; the button processing circuit is used for starting or closing the electric tooth brushing tool according to the button operation of a user on the electric tooth brushing tool; after the button processing circuit starts the electric dental appliance, and when the entrance detection circuit detects that the dental appliance enters the entrance cavity, the electric dental appliance chip drives the motor of the electric dental appliance to start working. The electric tooth set chip of the invention can not only improve the user interaction, but also save unnecessary electric energy waste, and is beneficial to maintaining the service life of the motor.
Description
Technical Field
The invention belongs to the field of chips, and particularly relates to an electric tooth-brushing tool chip with an entrance detection function.
Background
With the widespread use of electric toothbrushes and electric dental irrigators, there is an increasing interest in the user experience of such small electric dental appliances. With regard to such products, integrated circuits, i.e., chips, having a high degree of integration are increasingly used for function implementation and control.
When cleaning teeth using a power toothbrush, the existing power toothbrush generally involves two modes:
first, a switch is pressed by a considerable number of users before the electric toothbrush is put into the oral cavity, and the electric toothbrush chip starts to drive the motor when detecting that the user presses the switch, however, in this mode, the toothpaste is easily thrown away in this mode; further, this mode has the following problems: because the electric toothbrush chip directly drives the motor as long as the switch is pressed, the electric toothbrush wastes electric energy and does useless work before being put into the oral cavity;
secondly, there are a considerable number of users who drive the motor by pressing the switch of the electric toothbrush after putting the electric toothbrush into the mouth, however, in this mode, the human-machine interaction is not natural and not convenient.
There is a need in the art for a powered dental appliance chip that reduces unnecessary power consumption and improves human-computer interaction.
Disclosure of Invention
In view of the above, the present invention provides an electric dental appliance chip with entrance detection, which is characterized in that:
the chip comprises an entrance detection circuit and a key processing circuit, wherein,
an entrance detection circuit for detecting whether the dental appliance enters the oral cavity;
the button processing circuit is used for starting or closing the electric tooth brushing tool according to the button operation of a user on the electric tooth brushing tool;
after the button processing circuit starts the electric dental appliance, and when the entrance detection circuit detects that the dental appliance enters the entrance cavity, the electric dental appliance chip drives the motor of the electric dental appliance to start working.
Preferably, the first and second liquid crystal materials are,
when the entrance detection circuit detects that the dental appliance leaves the oral cavity, the electric dental appliance chip stops driving the motor of the electric dental appliance.
Preferably, the first and second liquid crystal materials are,
the chip also includes power tube driver logic, wherein,
and the power tube driving logic is used for receiving signals of the key processing circuit and the inlet detection circuit so as to enable the electric tooth set chip to drive the motor or stop driving the motor.
Preferably, the first and second liquid crystal materials are,
the chip further comprises a motor driving circuit used for sending out a first enabling signal or a first stopping signal.
Preferably, the first and second liquid crystal materials are,
when the entrance detection circuit detects that the dental appliance enters the oral cavity, a second enabling signal is sent out;
and when the entrance detection circuit detects that the dental appliance leaves the oral cavity, a second stop signal is sent out.
Preferably, the first and second liquid crystal materials are,
and the power tube driving logic controls the starting or stopping of the motor according to the received first enabling signal or first stopping signal sent by the motor driving circuit and according to the received second enabling signal or second stopping signal sent by the inlet detection circuit.
Preferably, the first and second liquid crystal materials are,
when the power tube driving logic receives a first enabling signal sent by the motor driving circuit, no matter the signal sent by the inlet detection circuit is a second enabling signal or a second stopping signal, the power tube driving logic carries out logic AND operation on the two signals, and controls the starting or stopping of the motor according to an operation result.
Preferably, the first and second liquid crystal materials are,
and when the power tube driving logic receives a first stop signal sent by the motor driving circuit, the power tube driving logic directly stops the motor.
Preferably, the first and second liquid crystal materials are,
when the power tube driving logic receives a first stop signal sent by the motor driving circuit, no matter whether the signal sent by the inlet detection circuit is a second enable signal or a second stop signal, the power tube driving logic carries out logic OR operation on the two signals and controls the motor to start or stop according to an operation result.
Preferably, the first and second liquid crystal materials are,
the chip is MCU or other chips.
The invention has the following technical effects:
through the scheme, the electric tooth set chip can improve user interaction, save unnecessary electric energy waste and is beneficial to maintaining the service life of the motor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a chip in one embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In one embodiment, the present invention discloses an electric dental appliance chip with entrance detection, characterized in that:
the chip comprises an entrance detection circuit and a key processing circuit, wherein,
an entrance detection circuit for detecting whether the dental appliance enters the oral cavity;
the button processing circuit is used for starting or closing the electric tooth brushing tool according to the button operation of a user on the electric tooth brushing tool;
after the button processing circuit starts the electric dental appliance, and when the entrance detection circuit detects that the dental appliance enters the entrance cavity, the electric dental appliance chip drives the motor of the electric dental appliance to start working.
It can be understood that, in the above embodiment, after the key processing circuit starts the electric dental appliance, and when the entrance detection circuit detects that the dental appliance enters the entrance cavity, the electric dental appliance chip drives the motor of the electric dental appliance to start working. Therefore, the electric tooth set chip of the invention not only can improve user interaction, but also can save unnecessary electric energy waste, and is beneficial to maintaining the service life of the motor. In addition, the above embodiments further reduce the frequency of toothpaste or floss prior to entry of the motorized mouthpiece as compared to prior art solutions.
In one embodiment of the present invention,
when the entrance detection circuit detects that the dental appliance leaves the oral cavity, the electric dental appliance chip stops driving the motor of the electric dental appliance.
In one embodiment of the present invention,
the chip also includes power tube driver logic, wherein,
and the power tube driving logic is used for receiving signals of the key processing circuit and the inlet detection circuit so as to enable the electric tooth set chip to drive the motor or stop driving the motor.
In one embodiment of the present invention,
the chip further comprises a motor driving circuit used for sending out a first enabling signal or a first stopping signal.
In one embodiment of the present invention,
when the entrance detection circuit detects that the dental appliance enters the oral cavity, a second enabling signal is sent out;
and when the entrance detection circuit detects that the dental appliance leaves the oral cavity, a second stop signal is sent out.
In one embodiment of the present invention,
and the power tube driving logic controls the starting or stopping of the motor according to the received first enabling signal or first stopping signal sent by the motor driving circuit and according to the received second enabling signal or second stopping signal sent by the inlet detection circuit.
In one embodiment of the present invention,
when the power tube driving logic receives a first enabling signal sent by the motor driving circuit, no matter the signal sent by the inlet detection circuit is a second enabling signal or a second stopping signal, the power tube driving logic carries out logic AND operation on the two signals, and controls the starting or stopping of the motor according to an operation result.
In one embodiment of the present invention,
and when the power tube driving logic receives a first stop signal sent by the motor driving circuit, the power tube driving logic directly stops the motor.
In one embodiment of the present invention,
when the power tube driving logic receives a first stop signal sent by the motor driving circuit, no matter whether the signal sent by the inlet detection circuit is a second enable signal or a second stop signal, the power tube driving logic carries out logic OR operation on the two signals and controls the motor to start or stop according to an operation result.
In one embodiment of the present invention,
the chip is MCU or other chips.
Referring to FIG. 1, in one embodiment, a circuit configuration in the electric dental appliance chip is illustrated, wherein the chip comprises: the chip is internally provided with an MOSFET, a power tube driving logic connected with the MOSFET, a charging control circuit, a key processing circuit, a motor driving circuit, a display control circuit, a VDD and the like; wherein the content of the first and second substances,
VDD is used to provide power to the relevant components/circuits in the chip;
the on-chip MOSFET is connected to a motor outside the chip, which is not shown in fig. 1;
the charging control circuit is a constant-current, constant-voltage and constant-temperature charging control circuit of a single lithium battery, is connected with a current setting pin Iset, and can adjust the charging current of the lithium battery through a resistor; in addition, the current setting pin is also connected with a temperature control pin AT and used for providing a temperature signal for the charging control circuit so as to realize a constant-temperature charging function; it can be understood that sensing and processing circuits of corresponding current and temperature signals are realized at relevant pins;
the key processing circuit is connected with the capacitance input pin CAP and the switch input pin SW, and is used for receiving capacitance touch signals and traditional switch signals and further providing output signals to the power tube driving logic and display control circuit and the motor driving circuit;
the motor driving circuit can be connected with the capacitance input pin and the switch input pin through the key processing circuit, so that the motor driving circuit can send different instructions to the motor according to different subsequently received capacitance touch signals or different switch signals on the premise that a user opens the electric dental appliance through the capacitance touch signals or the traditional switch signals in advance; the motor driving circuit can further provide an output signal to the display control circuit;
an inlet detection circuit for providing an output signal to the power tube drive logic and display control circuit based on its detection of whether the electric dental appliance has entered the oral cavity; the entrance detection circuit can judge whether to enter the oral cavity or not by sensing any amount of temperature, humidity or light or combination of the amounts, because the temperature, humidity and light of the small environment in the oral cavity and the external air environment are different when the user opens the mouth; preferably, when the temperature is sensed to judge whether the toothbrush enters the oral cavity, the temperature sensing circuit can multiplex the temperature sensing circuit AT the temperature control pin AT, so that the temperature sensing circuit in the chip is multiplexed, and the temperature sensing circuit is used for judging whether the toothbrush enters the oral cavity or not when the electric toothbrush is used by a user and providing a temperature signal of the battery for the charging control circuit when the electric toothbrush is charged; furthermore, the chip also comprises an internal memory, which is used for recording the temperature in the oral cavity when the user uses the electric tooth set each time through the temperature sensing circuit and judging whether the user has fever or not, thereby further improving the capability of the temperature sensing circuit; the improvement of the multiplexing capability of the temperature sensing circuit means that the chip still only needs one temperature sensing circuit under the condition of providing more functions, and the area of the chip is not increased obviously.
The display control circuit drives different LEDs through a plurality of LED pins of the chip according to signals of the key processing circuit and/or the motor driving circuit and/or the inlet detection circuit so as to prompt different states of the electric dental appliance and even prompt whether a user has fever or not.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An electric dental appliance chip with entrance detection, characterized in that:
the chip comprises an entrance detection circuit and a key processing circuit, wherein,
an entrance detection circuit for detecting whether the dental appliance enters the oral cavity;
the button processing circuit is used for starting or closing the electric tooth brushing tool according to the button operation of a user on the electric tooth brushing tool;
after the button processing circuit starts the electric dental appliance, and when the entrance detection circuit detects that the dental appliance enters the entrance cavity, the electric dental appliance chip drives the motor of the electric dental appliance to start working.
2. The electric dental appliance chip of claim 1, wherein, preferably,
when the entrance detection circuit detects that the dental appliance leaves the oral cavity, the electric dental appliance chip stops driving the motor of the electric dental appliance.
3. The powered dental appliance chip of claim 2, wherein,
the chip also includes power tube driver logic, wherein,
and the power tube driving logic is used for receiving signals of the key processing circuit and the inlet detection circuit so as to enable the electric tooth set chip to drive the motor or stop driving the motor.
4. The powered dental appliance chip of claim 3, wherein,
the chip further comprises a motor driving circuit used for sending out a first enabling signal or a first stopping signal.
5. The powered dental appliance chip of claim 4, wherein,
when the entrance detection circuit detects that the dental appliance enters the oral cavity, a second enabling signal is sent out;
and when the entrance detection circuit detects that the dental appliance leaves the oral cavity, a second stop signal is sent out.
6. The powered dental appliance chip of claim 5, wherein,
and the power tube driving logic controls the starting or stopping of the motor according to the received first enabling signal or first stopping signal sent by the motor driving circuit and according to the received second enabling signal or second stopping signal sent by the inlet detection circuit.
7. The powered dental appliance chip of claim 6, wherein,
when the power tube driving logic receives a first enabling signal sent by the motor driving circuit, no matter the signal sent by the inlet detection circuit is a second enabling signal or a second stopping signal, the power tube driving logic carries out logic AND operation on the two signals, and controls the starting or stopping of the motor according to an operation result.
8. The powered dental appliance chip of claim 6, wherein,
and when the power tube driving logic receives a first stop signal sent by the motor driving circuit, the power tube driving logic directly stops the motor.
9. The powered dental appliance chip of claim 6, wherein,
when the power tube driving logic receives a first stop signal sent by the motor driving circuit, no matter whether the signal sent by the inlet detection circuit is a second enable signal or a second stop signal, the power tube driving logic carries out logic OR operation on the two signals and controls the motor to start or stop according to an operation result.
10. The powered dental appliance chip of claim 1, wherein,
the chip is MCU or other chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111148879.0A CN114428468A (en) | 2021-09-29 | 2021-09-29 | Electric tooth set chip with entrance detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111148879.0A CN114428468A (en) | 2021-09-29 | 2021-09-29 | Electric tooth set chip with entrance detection function |
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| CN114428468A true CN114428468A (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111148879.0A Pending CN114428468A (en) | 2021-09-29 | 2021-09-29 | Electric tooth set chip with entrance detection function |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549120A (en) * | 1982-07-19 | 1985-10-22 | Pioneer Electronic Corporation | Turntable dc brushless motor stopping control |
| CN101656504A (en) * | 2009-08-25 | 2010-02-24 | 联毅电子（惠州）有限公司 | Positively/negatively rotatable brushless DC fan motor circuit |
| CN103334669A (en) * | 2013-06-19 | 2013-10-02 | 宁波普林斯电机有限公司 | Control circuit of automotive window direct current motor |
| CN107126284A (en) * | 2017-04-25 | 2017-09-05 | 深圳市云顶信息技术有限公司 | Control method, control device and the computer-readable recording medium of intelligent toothbrush |
| CN207152662U (en) * | 2017-02-27 | 2018-03-30 | 深圳市同洁科技有限公司 | Electric toothbrush |
| CN209678727U (en) * | 2019-01-08 | 2019-11-26 | 兰德麦尔科技(深圳)有限公司 | A kind of portable domestic tooth flusher |
| CN110811890A (en) * | 2019-10-16 | 2020-02-21 | 深圳市威益德智能科技有限公司 | Electric toothbrush and using method thereof |
| CN210962396U (en) * | 2019-09-19 | 2020-07-10 | 广州市汇鑫电子科技有限公司 | Electric toothbrush |
| CN112089501A (en) * | 2020-06-29 | 2020-12-18 | 扬州市飞杰旅游用品有限公司 | Remote sensing toothbrush with function of recording tooth brushing habits and tooth brushing habit recording method |
| CN113064366A (en) * | 2021-03-15 | 2021-07-02 | 上海飞象健康科技有限公司 | Control circuit and method for tooth flushing device, storage medium and tooth flushing device |
| CN114424983A (en) * | 2021-09-29 | 2022-05-03 | 上海芯圣电子股份有限公司 | Electric tooth-brushing tool chip with multiple multiplexing temperature sensing circuit |
-
2021
- 2021-09-29 CN CN202111148879.0A patent/CN114428468A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549120A (en) * | 1982-07-19 | 1985-10-22 | Pioneer Electronic Corporation | Turntable dc brushless motor stopping control |
| CN101656504A (en) * | 2009-08-25 | 2010-02-24 | 联毅电子（惠州）有限公司 | Positively/negatively rotatable brushless DC fan motor circuit |
| CN103334669A (en) * | 2013-06-19 | 2013-10-02 | 宁波普林斯电机有限公司 | Control circuit of automotive window direct current motor |
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| CN107126284A (en) * | 2017-04-25 | 2017-09-05 | 深圳市云顶信息技术有限公司 | Control method, control device and the computer-readable recording medium of intelligent toothbrush |
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| CN210962396U (en) * | 2019-09-19 | 2020-07-10 | 广州市汇鑫电子科技有限公司 | Electric toothbrush |
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