CN113017889B - Electric toothbrush and electric toothbrush control method - Google Patents
Electric toothbrush and electric toothbrush control methodDownload PDFInfo
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- CN113017889B CN113017889BCN201911361720.XACN201911361720ACN113017889BCN 113017889 BCN113017889 BCN 113017889BCN 201911361720 ACN201911361720 ACN 201911361720ACN 113017889 BCN113017889 BCN 113017889B
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- 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
- G—PHYSICS
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- 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
- G05B19/0428—Safety, monitoring
- 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
- G05B2219/26—Pc applications
- G05B2219/2613—Household appliance in general
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及日用电器的技术领域，尤其是涉及一种电动牙刷和电动牙刷控制方法。The invention relates to the technical field of household appliances, in particular to an electric toothbrush and a control method for the electric toothbrush.
背景技术Background technique
电动牙刷是一种常见的口腔护理工具，其操作简单、口腔清洁效果显著已经开始广泛的适用于人群。电动牙刷是通过电动机芯的快速旋转或者震动，使刷头产生高频震动，瞬间将牙膏分解成细微泡沫，深入清洁牙缝。与此同时，刷毛的颤动能促进口腔的血液循环，对牙龈组织有按摩效果。在刷牙过程中，通常是30秒进行一次换区提醒，一共4个刷牙区域，因此电动牙刷在启动的时候一般是2分钟自动关机，表示刷牙结束。目前市面上的电动牙刷在进行换区提醒的时候常见的方式是电机暂停300-500ms，然后再继续转动，通过一个短暂的暂停产生的抖动来作为一次刷牙换区提醒，这样的换区提醒方式操作简单，但是未免显得过于生硬和粗暴，并且用户在选择电动牙刷的刷牙模式或者刷牙力度时，按下按键也没有相应的反馈，用户无法感知是否切换成功。The electric toothbrush is a common oral care tool, and its simple operation and remarkable oral cleaning effect have begun to be widely used in the crowd. The electric toothbrush uses the rapid rotation or vibration of the motor core to make the brush head generate high-frequency vibration, instantly decompose the toothpaste into fine foam, and deeply clean the teeth. At the same time, the vibration of the bristles can promote the blood circulation of the mouth and have a massage effect on the gum tissue. In the process of brushing teeth, it is usually a reminder to change the area every 30 seconds. There are 4 brushing areas in total. Therefore, when the electric toothbrush is started, it will automatically shut down in 2 minutes, indicating that the brushing is over. At present, when the electric toothbrushes on the market are reminded of changing areas, the common way is that the motor pauses for 300-500ms, and then continues to rotate, and the jitter generated by a short pause is used as a reminder for brushing teeth and changing areas. Such a reminder method for changing areas The operation is simple, but it seems too blunt and rude, and when the user selects the brushing mode or brushing strength of the electric toothbrush, there is no corresponding feedback when the button is pressed, and the user cannot perceive whether the switch is successful.
综上所述，现有技术中的电动牙刷存在用户体验差的技术问题。To sum up, the electric toothbrush in the prior art has the technical problem of poor user experience.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种电动牙刷和电动牙刷控制方法，以缓解了现有技术中的电动牙刷存在的用户体验差的技术问题。The purpose of the present invention is to provide an electric toothbrush and an electric toothbrush control method, so as to alleviate the technical problem of poor user experience of the electric toothbrush in the prior art.
第一方面，实施例提供一种电动牙刷，包括：依次连接的按键、中央处理器、电机驱动电路和电机；所述按键，用于在用户按下之后，生成动作指令，并将所述动作指令发送至所述中央处理器；所述中央处理器，用于在接收到所述动作指令后，基于所述动作指令确定至少一个脉冲信号以及每个所述脉冲信号的持续时间；若所述脉冲信号的数量为多个，所述中央处理器还用于基于预设发送顺序和所述持续时间依次将所述至少一个脉冲信号发送至所述电机驱动电路；所述电机驱动电路，用于将接收到的每个所述脉冲信号进行放大，并利用放大后的脉冲信号驱动所述电机，以使所述电机振动。In a first aspect, the embodiment provides an electric toothbrush, including: a button, a central processing unit, a motor drive circuit, and a motor connected in sequence; the button is used to generate an action instruction after a user presses it, and the action sending an instruction to the central processing unit; the central processing unit is configured to, after receiving the action instruction, determine at least one pulse signal and the duration of each of the pulse signals based on the action instruction; if the The number of pulse signals is multiple, and the central processing unit is further configured to sequentially send the at least one pulse signal to the motor drive circuit based on a preset sending sequence and the duration; the motor drive circuit is used for Each received pulse signal is amplified, and the motor is driven by the amplified pulse signal to vibrate the motor.
在可选的实施方式中，所述中央处理器包括：第一控制器和与所述第一控制器连接的脉冲发生器，其中，所述第一控制器与所述按键连接，所述脉冲发生器与所述电机驱动电路连接；所述第一控制器，用于在接收到所述动作指令后，基于所述动作指令确定至少一个第一脉冲输出指令和每个第一脉冲信号的持续时间；若所述第一脉冲输出指令的数量为多个，所述第一控制器还用于基于所述预设发送顺序和所述持续时间依次将所述至少一个第一脉冲输出指令发送至所述脉冲发生器；其中，一个第一脉冲输出指令用于输出一个第一脉冲信号；所述脉冲发生器，用于基于接收到的每个第一脉冲输出指令输出与所述第一脉冲输出指令相对应的第一脉冲信号，并将得到的至少一个第一脉冲信号发送至所述电机驱动电路。In an optional implementation manner, the central processing unit includes: a first controller and a pulse generator connected to the first controller, wherein the first controller is connected to the key, and the pulse generator The generator is connected to the motor drive circuit; the first controller is configured to determine at least one first pulse output command and the duration of each first pulse signal based on the action command after receiving the action command time; if the number of the first pulse output instructions is multiple, the first controller is further configured to sequentially send the at least one first pulse output instruction to the the pulse generator; wherein, a first pulse output instruction is used to output a first pulse signal; the pulse generator is used to output the first pulse output based on each received first pulse output instruction and the first pulse output The corresponding first pulse signal is instructed, and the obtained at least one first pulse signal is sent to the motor driving circuit.
在可选的实施方式中，所述中央处理器包括：依次连接的计时器、第二控制器和脉冲发生器，其中，所述第二控制器与所述按键连接，所述脉冲发生器与所述电机驱动电路连接；所述第二控制器，用于在接收到所述动作指令后，基于所述动作指令确定至少一个第二脉冲输出指令和与每个第二脉冲输出指令相对应的计时指令；若所述第二脉冲输出指令的数量为多个，所述第二控制器还用于基于所述预设发送顺序将第一个第二脉冲输出指令发送至所述脉冲发生器，以及，基于所述预设发送顺序将与所述第一个第二脉冲输出指令相对应的计时指令发送至所述计时器；所述脉冲发生器，用于基于接收到的第一个第二脉冲输出指令输出与所述第一个第二脉冲输出指令相对应的第二脉冲信号，并将所述第二脉冲信号发送至所述电机驱动电路；所述计时器，用于在接收到所述计时指令后开始计时，并在计时结束，发送计时结束信号至所述第二控制器，以使所述第二控制器将下一第二脉冲输出指令发送至所述脉冲发生器，以及，将与所述下一第二脉冲输出指令相对应的计时指令发送至所述计时器。In an optional embodiment, the central processing unit includes: a timer, a second controller and a pulse generator connected in sequence, wherein the second controller is connected to the button, and the pulse generator is connected to The motor drive circuit is connected; the second controller is configured to determine at least one second pulse output command and a corresponding second pulse output command based on the action command after receiving the action command timing instructions; if the number of the second pulse output instructions is multiple, the second controller is further configured to send the first second pulse output instruction to the pulse generator based on the preset sending order, and, based on the preset sending order, send a timing command corresponding to the first second pulse output command to the timer; the pulse generator is configured to send a timing command corresponding to the first second pulse output command to the timer; The pulse output command outputs a second pulse signal corresponding to the first second pulse output command, and sends the second pulse signal to the motor driving circuit; the timer is used for receiving the start timing after the timing command, and when the timing ends, send a timing end signal to the second controller, so that the second controller sends the next second pulse output command to the pulse generator, and, A timing instruction corresponding to the next second pulse output instruction is sent to the timer.
在可选的实施方式中，所述电动牙刷还包括：无线通信模块，所述无线通信模块与所述中央处理器连接；所述无线通信模块，用于接收用户终端发送的控制指令，并将所述控制指令发送至所述中央处理器，以使所述中央处理器基于所述控制指令控制所述电机的运行状态。In an optional implementation manner, the electric toothbrush further includes: a wireless communication module, the wireless communication module is connected to the central processing unit; the wireless communication module is configured to receive the control instruction sent by the user terminal, and send the The control instruction is sent to the central processing unit, so that the central processing unit controls the operating state of the motor based on the control instruction.
在可选的实施方式中，所述电动牙刷还包括：显示器，所述显示器与所述中央处理器连接；所述显示器，用于显示所述电动牙刷当前的运行模式和电池电量。In an optional implementation manner, the electric toothbrush further comprises: a display, which is connected to the central processing unit; the display for displaying the current operating mode and battery level of the electric toothbrush.
在可选的实施方式中，所述中央处理器包括以下任一种：单片机、ARM和DSP。In an optional implementation manner, the central processing unit includes any one of the following: a single-chip microcomputer, an ARM, and a DSP.
在可选的实施方式中，所述电机驱动电路包括以下任一种：继电器、功率晶体管、可控硅和功率型MOS场效应管。In an optional embodiment, the motor drive circuit includes any one of the following: a relay, a power transistor, a thyristor, and a power MOS field effect transistor.
第二方面，实施例提供一种电动牙刷控制方法，应用于上述第一方面中所述的电动牙刷，包括：接收用户通过按键发送的动作指令；基于所述动作指令确定控制信号，并将所述控制信号发送至电机驱动电路；所述电机驱动电路基于所述控制信号驱动电机进行振动。In a second aspect, the embodiment provides a method for controlling an electric toothbrush, which is applied to the electric toothbrush described in the first aspect, including: receiving an action command sent by a user through a key; determining a control signal based on the action command, and The control signal is sent to the motor drive circuit; the motor drive circuit drives the motor to vibrate based on the control signal.
在可选的实施方式中，所述控制信号包括：至少一个脉冲信号以及每个所述脉冲信号的持续时间。In an optional embodiment, the control signal includes: at least one pulse signal and a duration of each of the pulse signals.
在可选的实施方式中，所述至少一个脉冲信号为一个脉冲信号，所述脉冲信号的持续时间为1秒。In an optional embodiment, the at least one pulse signal is a pulse signal, and the duration of the pulse signal is 1 second.
现有技术中，电动牙刷在运行时是通过将电机暂停的方式实现换区提醒的功能，但是这样的处理方式过于生硬和粗暴，用户体验差，与现有技术相比，本发明提供了一种电动牙刷，该电动牙刷包括：依次连接的按键、中央处理器、电机驱动电路和电机，用户在按下按键之后，生成动作指令，并将动作指令发送至中央处理器，中央处理器在接收到动作指令后，基于动作指令确定至少一个脉冲信号以及每个脉冲信号的持续时间，若脉冲信号的数量为多个，中央处理器则基于预设发送顺序和持续时间依次将至少一个脉冲信号发送至电机驱动电路，接下来，电机驱动电路将接收到的每个脉冲信号进行放大，并利用放大后的脉冲信号驱动电机，以使电机振动。本发明提供的电动牙刷可以通过控制不同频率的脉冲信号持续不同的时间，进而控制电机振动产生电子音乐，达到换区提醒的效果，在运行过程中不存在电机暂停的操作，并且，用户在按键时，电动牙刷能够提供振动反馈，从而能够有效的缓解现有技术中的电动牙刷存在的用户体验差的技术问题。In the prior art, the electric toothbrush realizes the function of changing the area by suspending the motor during operation, but such a handling method is too blunt and rude, and the user experience is poor. Compared with the prior art, the present invention provides a An electric toothbrush, the electric toothbrush comprises: buttons, a central processing unit, a motor drive circuit and a motor connected in sequence, after a user presses the button, an action command is generated, and the action command is sent to the central processing unit, and the central processing unit receives the After the action command is reached, at least one pulse signal and the duration of each pulse signal are determined based on the action command. If the number of pulse signals is multiple, the central processing unit sends at least one pulse signal sequentially based on the preset sending sequence and duration. To the motor drive circuit, next, the motor drive circuit amplifies each received pulse signal, and uses the amplified pulse signal to drive the motor to vibrate the motor. The electric toothbrush provided by the present invention can control the pulse signals of different frequencies to last for different times, and then control the motor to vibrate to generate electronic music, so as to achieve the effect of changing the area, and there is no motor pause operation during the running process. At the time, the electric toothbrush can provide vibration feedback, so that the technical problem of poor user experience existing in the electric toothbrush in the prior art can be effectively alleviated.
附图说明Description of drawings
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.
图1为本发明实施例提供的一种电动牙刷的结构示意图；1 is a schematic structural diagram of an electric toothbrush provided by an embodiment of the present invention;
图2为本发明实施例提供的一种可选的电动牙刷的结构示意图；2 is a schematic structural diagram of an optional electric toothbrush provided by an embodiment of the present invention;
图3为本发明实施例提供的另一种可选的电动牙刷的结构示意图；3 is a schematic structural diagram of another optional electric toothbrush provided by an embodiment of the present invention;
图4为本发明实施例提供的一种电动牙刷控制方法的流程图；4 is a flowchart of a method for controlling an electric toothbrush according to an embodiment of the present invention;
图5为本发明实施例提供的一种电动牙刷控制系统的结构示意图。FIG. 5 is a schematic structural diagram of an electric toothbrush control system according to an embodiment of the present invention.
图标：100-电动牙刷；200-用户终端；101-按键；102-中央处理器；103-电机驱动电路；104-电机；1021-第一控制器；1022-脉冲发生器；1023-计时器；1024-第二控制器。Icon: 100-electric toothbrush; 200-user terminal; 101-button; 102-central processing unit; 103-motor drive circuit; 104-motor; 1021-first controller; 1022-pulse generator; 1023-timer; 1024-Second Controller.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。In order to make the purposes, 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
下面结合附图，对本发明的一些实施方式作详细说明。在不冲突的情况下，下述的实施例及实施例中的特征可以相互组合。Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and features in the embodiments may be combined with each other without conflict.
目前市面上的电动牙刷在进行换区提醒的时候常见的方式是通过一个短暂的暂停产生的抖动来作为一次刷牙换区提醒，这样的换区提醒方式操作简单，但是未免显得过于生硬和粗暴，用户体验差；还有一种高级的提醒方式是通过牙刷内置语音模块来进行语音提醒，但缺点是结构设计复杂，增加了产品的成本，并且如果只是为了增强换区提醒功能而增加一块语音芯片，这样的设计未免过于大材小用。有鉴于此，本发明提供了一种利用电机发声技术的电动牙刷，用于缓解上述提出的技术问题。At present, when the electric toothbrushes on the market are reminded to change the area, the common way is to use the jitter generated by a short pause as a reminder to change the area. The user experience is poor; another advanced reminder method is to use the built-in voice module of the toothbrush for voice reminder, but the disadvantage is that the structure design is complicated, which increases the cost of the product, and if a voice chip is added just to enhance the reminder function of changing areas, Such a design would be overkill. In view of this, the present invention provides an electric toothbrush using the motor sound technology to alleviate the above-mentioned technical problems.
实施例一Example 1
本发明实施例提供了一种电动牙刷，如图1所示，该电动牙刷包括：依次连接的按键101、中央处理器102、电机驱动电路103和电机104。An embodiment of the present invention provides an electric toothbrush. As shown in FIG. 1 , the electric toothbrush includes: buttons 101 , a
按键101，用于在用户按下之后，生成动作指令，并将动作指令发送至中央处理器102。The button 101 is used to generate an action instruction after the user presses it, and send the action instruction to the
中央处理器102，用于在接收到动作指令后，基于动作指令确定至少一个脉冲信号以及每个脉冲信号的持续时间。The
若脉冲信号的数量为多个，中央处理器102还用于基于预设发送顺序和持续时间依次将至少一个脉冲信号发送至电机驱动电路103。If the number of pulse signals is multiple, the
电机驱动电路103，用于将接收到的每个脉冲信号进行放大，并利用放大后的脉冲信号驱动电机104，以使电机104振动。The motor driving circuit 103 is used to amplify each received pulse signal, and use the amplified pulse signal to drive the motor 104 to make the motor 104 vibrate.
电动牙刷能够进行高速振动，是因为其内置的电机104振动，电机104由定子和转子构成，定子一般是永磁铁，而转子则带有绕组，通电绕组在磁场中受到力的作用，从而使转子进行转动。电机104运行过程中受电磁力作用引起的振动，经过电动机本身传播到其周围空间，造成空气质点的振动而引起声波，当声波的振动频率在20HZ-20KHZ范围时候，就能被人耳感觉出来，这就是电机104产生的电磁噪声。The electric toothbrush can vibrate at high speed because its built-in motor 104 vibrates. The motor 104 is composed of a stator and a rotor. The stator is generally a permanent magnet, while the rotor has windings. The energized windings are subjected to force in the magnetic field, so that the rotor make a turn. The vibration caused by the electromagnetic force during the operation of the motor 104 is transmitted to the surrounding space through the motor itself, causing the vibration of air particles and causing sound waves. When the vibration frequency of the sound waves is in the range of 20HZ-20KHZ, it can be sensed by the human ear. , which is the electromagnetic noise generated by the motor 104 .
本发明所提供的电动牙刷就是基于电磁噪声的原理，如果给电机104输入不同频率的脉冲信号，电机104产生的电磁噪声的频率就会不同，而歌曲中每个音符也均有相应的频率，因此，发明人想到，如果在换区提醒时，控制电机104产生电磁噪声的频率与预设歌曲中音符的频率相同，且进一步控制脉冲信号的持续时间(音乐节拍)，就能够使电机104产生电子音乐，从而达到换区提醒的目的，并且因为整个刷牙过程中电机104没有暂停的行为，用户体验好，同时也增强了产品的趣味性。The electric toothbrush provided by the present invention is based on the principle of electromagnetic noise. If pulse signals of different frequencies are input to the motor 104, the frequency of the electromagnetic noise generated by the motor 104 will be different, and each note in the song also has a corresponding frequency. Therefore, the inventors thought that if the frequency of the electromagnetic noise generated by the control motor 104 is the same as the frequency of the notes in the preset song during the zone change reminder, and the duration of the pulse signal (music beat) is further controlled, the motor 104 can be generated Electronic music can be used to remind people of changing areas, and because the motor 104 does not pause during the entire brushing process, the user experience is good, and the fun of the product is also enhanced.
具体的，本发明实施例提供的电动牙刷包括依次连接的按键101、中央处理器102、电机驱动电路103和电机104，对于电动牙刷的刷头以及外壳等必要结构是所有电动牙刷共有的特征，因此，本发明实施例不再特别强调其结构关系，与市场上的产品外观结构相似。对于按键101，本发明实施例不限定具体的数量，用户可以设置单独的电源开关按键101，模式选择按键101，或者通过同一按键101实现电动牙刷的开启、模式选择以及关机的操作，只要用户按下按键101，均会根据预设的功能发送动作指令，并将该动作指令发送至中央处理器102。Specifically, the electric toothbrush provided by the embodiment of the present invention includes a button 101, a
对于只有一个按键101的电动牙刷，且预设2种运行模式(第一模式和第二模式)的情况来举例说明：当用户按下按键101一次时，则确定发送开启指令，并默认运行在第一模式，如果再按下一次，则确定发送运行在第二模式的指令，若用户再按下一次，则确定发送关机指令，对于第一模式和第二模式，二者对应的动作指令不同，电机104振动策略不同。For an electric toothbrush with only one button 101 and two preset operation modes (the first mode and the second mode), it is illustrated as an example: when the user presses the button 101 once, it is determined to send an on command, and the default operation is at In the first mode, if the user presses it again, it is determined to send the command to run in the second mode. If the user presses it again, it is determined to send the shutdown command. For the first mode and the second mode, the corresponding action commands are different. , the vibration strategy of the motor 104 is different.
中央处理器102在接收到按键101发送的动作指令后，将基于动作指令确定出至少一个脉冲信号以及每个脉冲信号的持续时间，并且，如果脉冲信号的数量为多个，中央处理器102能够按照预设发送顺序和脉冲信号的持续时间依次的将上述至少一个脉冲信号发送给电机驱动电路103，如果脉冲信号的数量仅为一个，则中央处理器102将这一个脉冲信号发送给电机驱动电路103。在一些实施例中，脉冲信号采用PWM(Pulse width modulation，脉冲宽度调制)波的形式。After receiving the action command sent by the button 101, the
为了便于理解，还以上述只有一个按键101的电动牙刷的运行过程进行举例说明，假设刷牙过程为2分钟，每30s进行一次换区提醒，若中央处理器102接收到的是运行在第二模式的指令，那么根据预设的电机104振动策略，2分钟运行过程将依时间顺序划分为第1个30s振动，第1次换区提醒，第2个30s振动，第2次换区提醒，第3个30s振动，第3次换区提醒，第4个30s振动，关机。For ease of understanding, the above-mentioned operation process of the electric toothbrush with only one button 101 is also used as an example. Suppose the brushing process is 2 minutes, and a zone change reminder is performed every 30s. If the
对于30s刷牙振动的过程中电机104振动频率为研发人员根据刷牙效果以及市场需求科学制定的，本发明实施例不对该过程的振动频率进行改进，但是对于中间3次的换区提醒，本发明将通过控制电机104的振动频率以及每个频率的振动持续时间来实现，因此，中央处理器102在接收到运行在第二模式的指令时，将根据预设的振动策略，确定刷牙过程中每个阶段的振动频率(一个振动频率对应一种脉冲信号)以及每个脉冲信号的持续时间，同时按照预设发送顺序，依次发送给电机驱动电路103，本发明实施例不对换区提醒时所使用的脉冲信号的数量以及每个脉冲信号的持续时间进行限定，用户可以根据实际需求进行设定，也就是说，通过控制节拍(持续时间)，每个音调都会播放一定的时间，音符节奏分为一拍、半拍、1/4拍、1/8拍，优选的，将一拍音符的时间设定为1秒，那么半拍为0.5秒，1/4拍为0.25秒，1/8拍为0.125秒，所以用户通过为每个脉冲信号赋予对应的节拍播放出来，电机104就能够实现播放电子音乐的功能。The vibration frequency of the motor 104 in the 30s brushing vibration process is scientifically formulated by the research and development personnel according to the brushing effect and market demand. The embodiment of the present invention does not improve the vibration frequency of the process, but for the middle three times of the area change reminder, the present invention will This is achieved by controlling the vibration frequency of the motor 104 and the vibration duration of each frequency. Therefore, when the
鉴于中央处理器102输出的脉冲信号强度不足以驱动电机104振动，因此在中央处理器102和电机104之间设置电机驱动电路103，电机驱动电路103主要用于将接收到的每个脉冲信号进行放大处理，并利用放大后的脉冲信号驱动电机104，以使电机104振动起来。Since the strength of the pulse signal output by the
现有技术中，用户在切换电动牙刷的刷牙模式或者刷牙力度时，则会选择按下相应的按键101，传统电动牙刷按下按键101没有任何反馈，用户无法感知是否切换成功，存在用户体验差的问题，有鉴于此，在本发明实施例中，用户按下按键101之后，中央处理器102均能够根据当前动作指令确定至少一个脉冲信号，这种控制方式的目的是控制电动牙刷能够针对用户的每次按压，都能驱动电机104进行相应的振动，给用户提供振动反馈。In the prior art, when the user switches the brushing mode or brushing strength of the electric toothbrush, he will choose to press the corresponding button 101. The traditional electric toothbrush does not have any feedback when pressing the button 101, and the user cannot perceive whether the switching is successful, and the user experience is poor. In view of this, in the embodiment of the present invention, after the user presses the button 101, the
比如，用户在切换电动牙刷的刷牙模式或者刷牙力度时，用户可以预设中央处理器102发送一个或者多个脉冲信号给电机，如果为一个脉冲信号，那么仅是电机104振动一次，振动时间用户可以根据实际需求进行设定；如果设置中央处理器102发送多个脉冲信号，那么可以通过控制上述多个脉冲信号的持续时间，产生相应的电子音乐，让电动牙刷以振动和音乐两种方式同时反馈用户的按键动作，增强用户体验。For example, when the user switches the brushing mode or brushing strength of the electric toothbrush, the user can preset the
本发明实施例通过电机发声技术产生音乐进行刷牙换区提醒，比起传统的采用电机暂停的方式可以优化用户的使用体验，增加用户的趣味性，并且与增加语音模块相比，电机发声技术更加实用，且无需增加材料成本，并且针对用户每次的按键，电机104均能够进行相应的振动，给予用户反馈，增强了用户体验。The embodiment of the present invention uses the motor sounding technology to generate music for brushing teeth and changing areas. Compared with the traditional way of using the motor to pause, the user's experience can be optimized and the user's interest is increased. Compared with adding a voice module, the motor sounding technology is more efficient. It is practical and does not need to increase the material cost, and the motor 104 can vibrate correspondingly for each keystroke of the user, giving feedback to the user, and enhancing the user experience.
现有技术中，电动牙刷在运行时是通过将电机104暂停的方式实现换区提醒的功能，但是这样的处理方式过于生硬和粗暴，用户体验差，与现有技术相比，本发明提供了一种电动牙刷，该电动牙刷包括：依次连接的按键101、中央处理器102、电机驱动电路103和电机104，用户在按下按键101之后，生成动作指令，并将动作指令发送至中央处理器102，中央处理器102在接收到动作指令后，基于动作指令确定至少一个脉冲信号以及每个脉冲信号的持续时间，若脉冲信号的数量为多个，中央处理器102则基于预设发送顺序和持续时间依次将至少一个脉冲信号发送至电机驱动电路103，接下来，电机驱动电路103将接收到的每个脉冲信号进行放大，并利用放大后的脉冲信号驱动电机104，以使电机104振动。本发明提供的电动牙刷可以通过控制不同频率的脉冲信号持续不同的时间，进而控制电机104振动产生电子音乐，达到换区提醒的效果，在运行过程中不存在电机104暂停的操作，并且，用户在按键时，电动牙刷能够提供振动反馈，从而能够有效的缓解现有技术中的电动牙刷存在的用户体验差的技术问题。In the prior art, the electric toothbrush realizes the function of reminding the area change by suspending the motor 104 during operation, but such a handling method is too blunt and rude, and the user experience is poor. Compared with the prior art, the present invention provides An electric toothbrush, the electric toothbrush comprises: a button 101, a
上文中对本发明实施例提供的电动牙刷的结构进行了简单的描述，下面对其中涉及的中央处理器102的结构进行详细的介绍。The structure of the electric toothbrush provided by the embodiment of the present invention is briefly described above, and the structure of the
在一个可选的实施方式中，如图2所示，中央处理器102包括：第一控制器1021和与第一控制器1021连接的脉冲发生器1022，其中，第一控制器1021与按键101连接，脉冲发生器1022与电机驱动电路103连接。In an optional embodiment, as shown in FIG. 2 , the
第一控制器1021，用于在接收到动作指令后，基于动作指令确定至少一个第一脉冲输出指令和每个第一脉冲信号的持续时间。The first controller 1021 is configured to, after receiving the action command, determine at least one first pulse output command and the duration of each first pulse signal based on the action command.
若第一脉冲输出指令的数量为多个，第一控制器1021还用于基于预设发送顺序和持续时间依次将至少一个第一脉冲输出指令发送至脉冲发生器1022；其中，一个第一脉冲输出指令用于输出一个第一脉冲信号。If the number of the first pulse output commands is multiple, the first controller 1021 is further configured to send at least one first pulse output command to the pulse generator 1022 in sequence based on the preset sending sequence and duration; The output command is used to output a first pulse signal.
脉冲发生器1022，用于基于接收到的每个第一脉冲输出指令输出与第一脉冲输出指令相对应的第一脉冲信号，并将得到的至少一个第一脉冲信号发送至电机驱动电路103。The pulse generator 1022 is configured to output a first pulse signal corresponding to the first pulse output command based on each received first pulse output command, and send the obtained at least one first pulse signal to the motor driving circuit 103 .
具体的，在一种可选的实施方式中，中央处理器102包括：第一控制器1021和脉冲发生器1022，第一控制器1021分别与按键101和脉冲发生器1022连接，脉冲发生器1022还与电机驱动电路103连接，用户按下按键101后，将发送动作指令给第一控制器1021，第一控制器1021基于接收到的动作指令确定至少一个第一脉冲输出指令和每个第一脉冲信号的持续时间，其中，一个第一脉冲输出指令用于输出一个第一脉冲信号，如果第一脉冲输出指令的数量为多个，第一控制器1021将按照预设发送顺序以及每个第一脉冲信号的持续时间依次的将至少一个第一脉冲输出指令发送至脉冲发生器1022，脉冲发生器1022在接收到第一脉冲输出指令后，将输出相应的第一脉冲信号至电机驱动电路103。Specifically, in an optional implementation manner, the
在本实施例中，第一控制器1021采用软件模拟产生不同时长的信号对每个第一脉冲信号的持续时间进行把控，例如，通过设定延时函数的方式，将每个第一脉冲信号延迟一段时间，进而达到控制持续时间(音乐节拍)的目的。In this embodiment, the first controller 1021 uses software simulation to generate signals of different durations to control the duration of each first pulse signal. For example, by setting a delay function, each first pulse The signal is delayed for a period of time to achieve the purpose of controlling the duration (music beat).
上文中对于采用软件模拟进行时长把控的中央处理器102的组成结构进行了详细描述，下面介绍另外一种中央处理器102的组成结构进行介绍。The composition structure of the
在一个可选的实施方式中，如图3所示，中央处理器102包括：依次连接的计时器1023、第二控制器1024和脉冲发生器1022，其中，第二控制器1024与按键101连接，脉冲发生器1022与电机驱动电路103连接。In an optional embodiment, as shown in FIG. 3 , the
第二控制器1024，用于在接收到动作指令后，基于动作指令确定至少一个第二脉冲输出指令和与每个第二脉冲输出指令相对应的计时指令。The second controller 1024 is configured to, after receiving the action command, determine at least one second pulse output command and a timing command corresponding to each second pulse output command based on the action command.
若第二脉冲输出指令的数量为多个，第二控制器1024还用于基于预设发送顺序将第一个第二脉冲输出指令发送至脉冲发生器1022，以及，基于预设发送顺序将与第一个第二脉冲输出指令相对应的计时指令发送至计时器1023。If the number of the second pulse output commands is multiple, the second controller 1024 is further configured to send the first second pulse output command to the pulse generator 1022 based on the preset sending sequence, and send the first second pulse output command to the pulse generator 1022 based on the preset sending sequence The timing command corresponding to the first second pulse output command is sent to the timer 1023 .
脉冲发生器1022，用于基于接收到的第一个第二脉冲输出指令输出与第一个第二脉冲输出指令相对应的第二脉冲信号，并将第二脉冲信号发送至电机驱动电路103。The pulse generator 1022 is configured to output a second pulse signal corresponding to the first second pulse output command based on the received first second pulse output command, and send the second pulse signal to the motor driving circuit 103 .
计时器1023，用于在接收到计时指令后开始计时，并在计时结束，发送计时结束信号至第二控制器1024，以使第二控制器1024将下一第二脉冲输出指令发送至脉冲发生器1022，以及，将与下一第二脉冲输出指令相对应的计时指令发送至计时器1023。The timer 1023 is used to start timing after receiving the timing instruction, and when the timing ends, send a timing end signal to the second controller 1024, so that the second controller 1024 sends the next second pulse output instruction to the pulse generator The timer 1022, and sends a timing instruction corresponding to the next second pulse output instruction to the timer 1023.
在本实施方式中，中央处理器102对发出的每个脉冲信号的持续时间把控是通过单独的计时器1023实现的，具体的，本实施方式中的中央处理器102包括与按键101连接的第二控制器1024，以及与第二控制器1024连接的计时器1023和脉冲发生器1022，且脉冲发生器1022与脉冲驱动电路连接。当第二控制器1024接收到按键101发送的动作指令时，首先基于上述动作指令确认至少一个第二脉冲输出指令、与每个第二脉冲输出指令对应的计时指令和预设发送顺序，如果第二脉冲输出指令的数量为多个，第二控制器1024将预设发送顺序中的第一个第二脉冲输出指令发送至脉冲发生器1022，同时，将与第一个第二脉冲输出指令相对应的计时指令发送至计时器1023，脉冲发生器1022在接收到第一个第二脉冲输出指令后，将输出与之对应的第二脉冲信号至电机驱动电路103，同时，计时器1023在接收到计时指令后立即开始计时，也就是说，每个计时指令中都包括对应的计时时间，计时结束后，计时器1023发送计时结束的指令给第二控制器1024，意思就是通知第二控制器1024第一个第二脉冲信号的持续时间到了，应该切换输出第二脉冲信号了，所以第二控制器1024将按照预设发送顺序发送下一第二脉冲输出指令至脉冲发生器1022，以及发送与下一第二脉冲输出指令相对应的计时指令至计时器1023，开始下一第二脉冲信号的持续输出。In this embodiment, the
上文中对中央处理器102的两种可选组成结构进行了详细的描述，下面对本发明实施例提供的电动牙刷的其他可选组成结构进行详细介绍。Two optional components of the
在一个可选的实施方式中，电动牙刷还包括：无线通信模块，无线通信模块与中央处理器102连接。In an optional implementation manner, the electric toothbrush further includes: a wireless communication module, which is connected to the
无线通信模块，用于接收用户终端发送的控制指令，并将控制指令发送至中央处理器102，以使中央处理器102基于控制指令控制电机104的运行状态。The wireless communication module is used for receiving the control instruction sent by the user terminal, and sending the control instruction to the
具体的，为了提供增强用户体验，本实施例中的电动牙刷还设置与中央处理器102连接的无线通信模块，该无线通信模块用于接收用户终端发送的控制指令，并将其转发至中央处理器102，以使中央处理器102基于控制指令控制电机104的运行状态，在一些实施例中，控制指令可以是电机104的转速控制指令，也可以是振动频率的控制指令，无线通信模块可以是基于蓝牙、WiFi、ZigBee等无线通信技术的无线通信模块，用户可以根据实际需求进行选择，本发明实施例不对其进行具体限定，用户还可以发送状态回传的控制指令给中央处理器102，进而用户可以通过用户终端查看电动牙刷的相关状态信息。Specifically, in order to provide enhanced user experience, the electric toothbrush in this embodiment is further provided with a wireless communication module connected to the
在一个可选的实施方式中，电动牙刷还包括：显示器和充电电池，显示器与中央处理器102连接，充电电池与中央处理器102连接。In an optional embodiment, the electric toothbrush further includes: a display and a rechargeable battery, the display is connected to the
显示器，用于显示电动牙刷当前的运行模式和电池电量。A display that shows the current operating mode and battery level of the electric toothbrush.
具体的，本发明实施例提供的电动牙刷还包括与中央处理器102连接的显示器和充电电池，充电电池主要用于为电动牙刷中的各个用电结构供电，显示器在结构设计时应设置在电动牙刷的外表面，主要用于显示电动牙刷当前的运行模式(例如：清洁、敏感、美白等)，还可以显示电动牙刷的电池电量，用户还可以根据实际需求令显示器显示刷牙时长等信息。Specifically, the electric toothbrush provided by the embodiment of the present invention further includes a display connected to the
在一个可选的实施方式中，电动牙刷还包括：电量指示灯，电量指示灯与中央处理器102连接。In an optional implementation manner, the electric toothbrush further includes: a power indicator, which is connected to the
电量指示灯，用于在电动牙刷的电池电量低于预设阈值时显示预设颜色。A battery indicator that displays a preset color when the electric toothbrush's battery level falls below a preset threshold.
本发明实施例中的电动牙刷是使用充电电池的，因此，相应的还设有与中央处理器102连接的电量指示灯，当电动牙刷的电池电量低于预设的阈值时，电量指示灯显示预设颜色，进而提醒用户对电动牙刷进行充电，优选的，预设颜色可以选择红色。The electric toothbrush in the embodiment of the present invention uses a rechargeable battery. Therefore, a corresponding power indicator connected to the
在一个可选的实施方式中，中央处理器102包括以下任一种：单片机、ARM和DSP。In an optional implementation manner, the
在本发明新型实施例中，中央处理器102包括但不限于以下任一种：单片机、DSP(Digital Signal Processing，数字信号处理器)和ARM(Advanced RISC Machine，进阶精简指令集机器)，上述结构均可以根据实际需求选择不同型号的产品，可选的单片机可以选择51单片机、UC3846、UC3843或TL494。In the novel embodiment of the present invention, the
在一个可选的实施方式中，电机驱动电路103包括以下任一种：继电器、功率晶体管、可控硅和功率型MOS场效应管。In an optional embodiment, the motor driving circuit 103 includes any one of the following: a relay, a power transistor, a thyristor, and a power MOS field effect transistor.
上文中已经指出，电机驱动电路103主要是为了对中央处理器102输出的脉冲信号进行放大，以使放大后的脉冲信号足以驱动电机104振动，在一些实施例中，电机驱动电路103可以选择继电器、功率晶体管、可控硅或功率型MOS场效应管。It has been pointed out above that the motor driving circuit 103 is mainly to amplify the pulse signal output by the
本发明实施例中的电动牙刷通过控制输入电机104的脉冲信号的频率(音调)和持续时间(节拍)，实现了在保证电机104不骤停的情况下完成刷牙换区音乐提醒的功能，音乐提醒的功能还可以用在电池按键101提示、低电提醒，满电提醒以及任何需要提醒的地方，提升了用户体验和刷牙的趣味性。The electric toothbrush in the embodiment of the present invention realizes the function of completing the music reminder for brushing teeth and changing areas without the sudden stop of the motor 104 by controlling the frequency (pitch) and duration (rhythm) of the pulse signal input to the motor 104 . The reminder function can also be used in battery button 101 reminders, low battery reminders, full battery reminders, and any place where reminders are needed, improving user experience and the fun of brushing teeth.
实施例二Embodiment 2
本发明实施例提供了一种电动牙刷控制方法，该电动牙刷控制方法应用于上述实施例一所提供的电动牙刷，如图4所示，该方法具体包括如下步骤：An embodiment of the present invention provides a control method for an electric toothbrush, which is applied to the electric toothbrush provided in the first embodiment above. As shown in FIG. 4 , the method specifically includes the following steps:
步骤S102，接收用户通过按键发送的动作指令。Step S102, receiving the action instruction sent by the user through the keystroke.
步骤S104，基于动作指令确定控制信号，并将控制信号发送至电机驱动电路。In step S104, a control signal is determined based on the action command, and the control signal is sent to the motor driving circuit.
步骤S106，电机驱动电路基于控制信号驱动电机进行振动。Step S106, the motor driving circuit drives the motor to vibrate based on the control signal.
电动牙刷在使用过程中，只要用户通过按动按键发送动作指令，就能够基于当前的动作指令确定相应的控制信号，该控制信号电机驱动电路的输入信号，电机驱动电路在接收到上述控制信号后，能够基于上述控制信号驱动电机进行振动。上述实施例一中已经将电动牙刷的工作过程进行了详细的描述，此处不再赘述。During the use of the electric toothbrush, as long as the user sends an action command by pressing the button, the corresponding control signal can be determined based on the current action command. The control signal is the input signal of the motor drive circuit. After the motor drive circuit receives the above control signal , the motor can be driven to vibrate based on the above control signal. The working process of the electric toothbrush has been described in detail in the first embodiment, and will not be repeated here.
在一个可选的实施方式中，控制信号包括：至少一个脉冲信号以及每个脉冲信号的持续时间。In an optional embodiment, the control signal includes: at least one pulse signal and a duration of each pulse signal.
因为在刷牙过程中，如果用户进行刷牙模式切换或者刷牙强度切换，切换成功与否用户能够明显的感知到，但是针对未开始刷牙时用户通过按下按键发送的动作指令，用户无法感知是否切换成功，因此，本发明实施例中，只要用户按下按键发送动作指令，则基于动作指令确定的控制信号包括：至少一个脉冲信号以及每个脉冲信号的持续时间，也就是说，电机驱动电路能够发送至少一个脉冲信号至电机：若要利用电子音乐进行反馈，则依次发送多个脉冲信号驱动电机进行振动，同时通过控制每个脉冲信号的持续时间，产生电子音乐；若仅需提供振动反馈，优选的，上述至少一个脉冲信号为一个脉冲信号，脉冲信号的持续时间为1秒。Because during the brushing process, if the user switches the brushing mode or the brushing intensity, the user can clearly perceive whether the switch is successful or not, but for the action command sent by the user by pressing the button when the brushing is not started, the user cannot perceive whether the switch is successful or not. , therefore, in this embodiment of the present invention, as long as the user presses the button to send the action command, the control signal determined based on the action command includes: at least one pulse signal and the duration of each pulse signal, that is, the motor drive circuit can send At least one pulse signal to the motor: if you want to use electronic music for feedback, send multiple pulse signals in turn to drive the motor to vibrate, and at the same time control the duration of each pulse signal to generate electronic music; if you only need to provide vibration feedback, preferably The above at least one pulse signal is a pulse signal, and the duration of the pulse signal is 1 second.
实施例三Embodiment 3
本发明实施例提供了一种电动牙刷控制系统，如图5所示，该电动牙刷控制系统包括上述实施例一所提供的电动牙刷100，还包括：用户终端200；其中，用户终端200与电动牙刷100通信连接。An embodiment of the present invention provides an electric toothbrush control system. As shown in FIG. 5 , the electric toothbrush control system includes the electric toothbrush 100 provided in the first embodiment above, and further includes: a user terminal 200 ; wherein the user terminal 200 is connected to the electric toothbrush 100 . The toothbrush 100 is communicatively connected.
上文中已经对用户终端200通过无线通信模块与电动牙刷100通信连接的过程进行了详细的介绍，此处不再赘述。The process of communicating and connecting the user terminal 200 with the electric toothbrush 100 through the wireless communication module has been described in detail above, and will not be repeated here.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.
此外，术语“水平”、“竖直”、“悬垂”等术语并不表示要求部件绝对水平或悬垂，而是可以稍微倾斜。如“水平”仅仅是指其方向相对“竖直”而言更加水平，并不是表示该结构一定要完全水平，而是可以稍微倾斜。Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; 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: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.
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