CN114225219B - A home radio frequency beauty instrument self-starting system and home radio frequency beauty equipment - Google Patents

A home radio frequency beauty instrument self-starting system and home radio frequency beauty equipment Download PDF

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CN114225219B
CN114225219B CN202210092908.4A CN202210092908A CN114225219B CN 114225219 B CN114225219 B CN 114225219B CN 202210092908 A CN202210092908 A CN 202210092908A CN 114225219 B CN114225219 B CN 114225219B
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radio frequency
capacitance value
beauty instrument
frequency beauty
face
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CN114225219A (en
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何冰冰
张榆锋
马骁
王飞飞
张宁涛
郎恂
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Yunnan Beitani Biotechnology Group Co ltd
Yunnan Characteristic Plant Extraction Laboratory Co.,Ltd.
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Yunnan Yunke Characteristic Plant Extraction Laboratory Co ltd
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61N1/40Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • AHUMAN NECESSITIES
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
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Abstract

本发明提供一种家用射频美容仪自启动系统及家用射频美容设备,属于美容仪控制技术领域,家用射频美容仪自启动系统设置在家用射频美容仪壳体的内部,家用射频美容仪自启动系统包括:振荡电路、检测单元及控制单元;振荡电路工作时与检测对象接触;检测单元用于检测振荡电路的频率,并根据振荡电路的频率计算检测对象的电容值;控制单元用于在检测对象的电容值大于等于面部最小电容值且小于等于面部最大电容值时,生成控制射频电极启动发射机制的控制信号,并将控制信号发送至射频电极。通过电容值判断检测对象是否为面部皮肤,提高了家用射频美容仪射频信号发射的准确度,且无需手动控制射频发射机制,提高了家用射频美容仪的工作效率。

Figure 202210092908

The invention provides a home radio frequency beauty instrument self-starting system and home radio frequency beauty equipment, belonging to the technical field of beauty instrument control. It includes: an oscillation circuit, a detection unit and a control unit; the oscillation circuit is in contact with the detection object during operation; the detection unit is used to detect the frequency of the oscillation circuit, and calculate the capacitance value of the detection object according to the frequency of the oscillation circuit; the control unit is used to detect the object When the capacitance value of the face is greater than or equal to the minimum capacitance value of the face and less than or equal to the maximum capacitance value of the face, a control signal for controlling the radio frequency electrode to start the transmission mechanism is generated, and the control signal is sent to the radio frequency electrode. The capacitance value is used to determine whether the detection object is facial skin, which improves the accuracy of RF signal transmission of the home radio frequency beauty instrument, and does not require manual control of the radio frequency transmission mechanism, thereby improving the work efficiency of the home radio frequency beauty instrument.

Figure 202210092908

Description

一种家用射频美容仪自启动系统及家用射频美容设备A home radio frequency beauty instrument self-starting system and home radio frequency beauty equipment

技术领域technical field

本发明涉及美容仪控制技术领域,特别是涉及一种家用射频美容仪自启动系统及家用射频美容设备。The invention relates to the technical field of control of beauty instruments, in particular to a self-starting system of a home radio frequency beauty instrument and a home radio frequency beauty device.

背景技术Background technique

家用射频美容仪的技术原理是通过控制电极的布局与发射参数将射频能量聚集于皮下真皮层,使真皮层的胶原蛋白温度升高、受热变性,从而刺激胶原蛋白新生以实现紧致提拉的美容效果。在家用射频美容技术领域中,真皮层温度需达到45℃-55℃之间方能有效刺激胶原新生是医学界的普遍认知,真皮层热量向上传递导致表皮层温度升高,表皮温度不超过43℃以避免烫伤。The technical principle of the home radio frequency beauty instrument is to focus the radio frequency energy on the subcutaneous dermis by controlling the layout and emission parameters of the electrodes, so that the temperature of the collagen in the dermis is increased and denatured by heat, thereby stimulating collagen regeneration to achieve firming and lifting. cosmetic effect. In the field of home radiofrequency beauty technology, the temperature of the dermis needs to be between 45°C and 55°C to effectively stimulate collagen regeneration. 43°C to avoid burns.

目前市面上的绝大多数美容仪均为充电式美容仪,逐渐取代了插电式美容仪。为了降低充电式美容仪的耗电速度,延长单次充电使用时间,如何降低美容仪在使用过程中的电量损耗是一个重要问题。目前射频发射的启动机制主要有两种,一种是按键式启动方法,另一种是感应式启动方法。At present, the vast majority of beauty instruments on the market are rechargeable beauty instruments, which have gradually replaced plug-in beauty instruments. In order to reduce the power consumption speed of the rechargeable beauty instrument and prolong the use time of a single charge, how to reduce the power consumption of the beauty instrument during use is an important issue. At present, there are mainly two starting mechanisms for radio frequency transmission, one is a button-type starting method, and the other is an inductive starting method.

按键式启动方法是用户在开始使用美容仪之前,人为按动开关键后即通知主控芯片通过射频电极开始向外发射射频能量,一直持续至用户结束美容后人为按动关机键。该方法的好处是接触皮肤后无响应时间、升温快,缺点是未接触皮肤时也发射射频能量,大大增大了电池耗电量。The push-button start method is that before the user starts to use the beauty instrument, after manually pressing the on-off key, the main control chip is notified to start emitting radio-frequency energy through the radio-frequency electrode, which continues until the user manually presses the off-key after finishing the beauty treatment. The advantage of this method is that there is no response time after contacting the skin, and the temperature rises quickly.

感应式启动方式是在美容仪探头上接入一个电路断点,当有导体接触美容仪探头时,该断点连通,通知主控芯片通过射频电极开始向外发射射频能量;当导体与美容仪探头机体分离时,该断点开路,停止向外发射能量。该方法的好处是减少了空载时间、降低了耗电量,缺点是不能识别连入断点的导体类型,发射机制不够精准,无论是身体皮肤、面部皮肤、或其他导电材料,甚至是用户在湿度较高的环境内使用时,都会启动射频能量发射机制。The inductive startup method is to connect a circuit breakpoint on the probe of the beauty instrument. When a conductor contacts the probe of the beauty instrument, the breakpoint is connected, and the main control chip is notified to start emitting radio frequency energy through the radio frequency electrode; when the conductor is connected to the beauty instrument When the probe body is separated, the breakpoint is open and stops emitting energy. The advantage of this method is to reduce the no-load time and power consumption. The disadvantage is that the type of conductor connected to the breakpoint cannot be identified, and the emission mechanism is not accurate enough, whether it is body skin, facial skin, or other conductive materials, or even the user. When used in a high humidity environment, the radio frequency energy emission mechanism will be activated.

基于上述问题,亟需一种新的美容仪自启动系统以解决空载时耗电量大及发射机制不够精准的问题。Based on the above problems, there is an urgent need for a new self-starting system for beauty instruments to solve the problems of large power consumption and inaccurate launch mechanism when no-loading.

发明内容SUMMARY OF THE INVENTION

本发明的目的是提供一种家用射频美容仪自启动系统及家用射频美容设备,可精准识别加热对象,提高射频发射的准确度,并降低电池耗电量。The purpose of the present invention is to provide a self-starting system of a home radio frequency beauty instrument and a home radio frequency beauty device, which can accurately identify the heating object, improve the accuracy of radio frequency emission, and reduce battery power consumption.

为实现上述目的,本发明提供了如下方案:For achieving the above object, the present invention provides the following scheme:

一种家用射频美容仪自启动系统,所述家用射频美容仪包括壳体和射频电极,所述家用射频美容仪自启动系统包括:A self-starting system for a home radio frequency beauty instrument, the home radio frequency beauty instrument includes a housing and a radio frequency electrode, and the home radio frequency beauty instrument self-starting system includes:

振荡电路,设置在家用射频美容仪壳体的内部,工作时与检测对象接触;The oscillating circuit is arranged inside the housing of the household radio frequency beauty instrument, and is in contact with the detection object during operation;

检测单元,设置在家用射频美容仪壳体的内部,与所述振荡电路连接,用于检测所述振荡电路的频率,并根据振荡电路的频率计算所述检测对象的电容值;a detection unit, arranged inside the housing of the household radio frequency beauty instrument, connected to the oscillation circuit, used for detecting the frequency of the oscillation circuit, and calculating the capacitance value of the detection object according to the frequency of the oscillation circuit;

控制单元,设置在家用射频美容仪壳体的内部,分别与所述检测单元及所述家用射频美容仪的射频电极连接,用于在所述检测对象的电容值大于等于面部最小电容值且小于等于面部最大电容值时,生成控制所述射频电极启动发射机制的控制信号,并将所述控制信号发送至所述射频电极,在所述检测对象的电容值小于面部最小电容值或大于面部最大电容值时,产生警示信号;所述面部最小电容值和面部最大电容值为预先确定的电容值。The control unit is arranged inside the housing of the household radio frequency beauty instrument, and is respectively connected with the detection unit and the radio frequency electrode of the household radio frequency beauty instrument, and is used for detecting when the capacitance value of the object is greater than or equal to the minimum facial capacitance value and less than When it is equal to the maximum capacitance value of the face, generate a control signal for controlling the radio frequency electrode to start the transmission mechanism, and send the control signal to the radio frequency electrode, when the capacitance value of the detection object is smaller than the minimum capacitance value of the face or greater than the maximum face value When the capacitance value is detected, a warning signal is generated; the minimum capacitance value of the face and the maximum capacitance value of the face are predetermined capacitance values.

可选地,所述振荡电路为LC振荡电路。Optionally, the oscillation circuit is an LC oscillation circuit.

可选地,所述检测单元包括:Optionally, the detection unit includes:

频率检测模块,与所述振荡电路连接,用于检测所述振荡电路的频率;a frequency detection module, connected to the oscillation circuit, for detecting the frequency of the oscillation circuit;

电容确定模块,与所述频率检测模块连接,用于根据所述振荡电路的频率,确定所述振荡电路的电容值;a capacitance determination module, connected to the frequency detection module, for determining the capacitance value of the oscillation circuit according to the frequency of the oscillation circuit;

计算模块,分别与所述电容确定模块及所述控制单元连接,用于根据所述振荡电路的电容值计算所述检测对象的电容值。The calculation module is respectively connected with the capacitance determination module and the control unit, and is used for calculating the capacitance value of the detection object according to the capacitance value of the oscillation circuit.

可选地,所述电容确定模块根据以下公式,确定振荡电路的电容值:Optionally, the capacitance determination module determines the capacitance value of the oscillation circuit according to the following formula:

Figure BDA0003489885720000021
Figure BDA0003489885720000021

其中,f0为振荡电路的频率,L为振荡电路的电感值,C为振荡电路的电容值。Among them, f 0 is the frequency of the oscillating circuit, L is the inductance value of the oscillating circuit, and C is the capacitance value of the oscillating circuit.

可选地,所述计算模块根据以下公式,确定检测对象的电容值:Optionally, the calculation module determines the capacitance value of the detection object according to the following formula:

Figure BDA0003489885720000031
Figure BDA0003489885720000031

其中,C2为检测对象的电容值,C1为振荡电路的内接电容值,C为振荡电路的电容值。Among them, C 2 is the capacitance value of the detection object, C 1 is the internal capacitance value of the oscillator circuit, and C is the capacitance value of the oscillator circuit.

可选地,所述控制单元还用于根据以下公式,确定面部最小电容值和面部最大电容值:Optionally, the control unit is further configured to determine the minimum facial capacitance value and the maximum facial capacitance value according to the following formula:

Cmin=μmin×argmin{C21,C22,C23};C min = μ min ×argmin {C 21 , C 22 , C 23 };

Cmax=μmax×argmax{C21,C22,C23};C max = μ max ×argmax {C 21 , C 22 , C 23 };

其中,Cmin为面部最小电容值,Cmax为面部最大电容值,μmin和μmax为振荡电路的修正系数,C21为额头皮肤电容值,C22为脸颊皮肤电容值,C23为下颌线皮肤电容值,argmin{}为求一组序列中参数值最小的元素,argmax{} 为求一组序列中参数值最大的元素。Among them, Cmin is the minimum capacitance value of the face, Cmax is the maximum capacitance value of the face, μmin and μmax are the correction coefficients of the oscillating circuit, C21 is the capacitance value of the forehead skin, C22 is the skin capacitance value of the cheek, and C23 is the jaw skin capacitance value. Line skin capacitance value, argmin{} is the element with the smallest parameter value in a set of sequences, and argmax{} is the element with the largest parameter value in a set of sequences.

可选地,所述控制单元还用于按设定时间间隔重新确定面部最小电容值和面部最大电容值。Optionally, the control unit is further configured to re-determine the minimum facial capacitance value and the maximum facial capacitance value at a set time interval.

为实现上述目的,本发明还提供了如下方案:For achieving the above object, the present invention also provides the following scheme:

一种家用射频美容设备,所述家用射频美容设备包括家用射频美容仪和上述的家用射频美容仪自启动系统;所述家用射频美容仪自启动系统设置在所述家用射频美容仪壳体的内部,并与所述家用射频美容仪的射频电极连接。A household radio frequency beauty equipment, the household radio frequency beauty equipment comprises a household radio frequency beauty instrument and the above-mentioned household radio frequency beauty instrument self-starting system; the household radio frequency beauty instrument self-starting system is arranged inside the household radio frequency beauty instrument shell , and connected with the radio frequency electrode of the household radio frequency beauty instrument.

根据本发明提供的具体实施例,本发明公开了以下技术效果:通过检测单元检测振荡电路的频率,并根据振荡电路的频率计算检测对象的电容值,在检测对象的电容值大于等于面部最小电容值且小于等于面部最大电容值时,即识别出检测对象为面部皮肤时,控制家用射频美容仪的射频电极启动发射机制,向面部皮肤发射射频信号,通过电容值判断检测对象是否为面部皮肤,提高了家用射频美容仪射频信号发射的准确度,且无需手动控制射频发射机制,提高了家用射频美容仪的工作效率。According to the specific embodiment provided by the present invention, the present invention discloses the following technical effects: the frequency of the oscillation circuit is detected by the detection unit, and the capacitance value of the detection object is calculated according to the frequency of the oscillation circuit, and the capacitance value of the detection object is greater than or equal to the minimum facial capacitance When the value is less than or equal to the maximum capacitance value of the face, that is, when the detection object is identified as facial skin, the radio frequency electrode of the household radio frequency beauty instrument is controlled to start the transmission mechanism, and the radio frequency signal is transmitted to the facial skin, and the capacitance value is used to determine whether the detection object is facial skin. The accuracy of the radio frequency signal transmission of the home radio frequency beauty instrument is improved, and there is no need to manually control the radio frequency transmission mechanism, thereby improving the working efficiency of the home radio frequency beauty instrument.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

图1为本发明家用射频美容仪自启动系统的模块结构示意图;Fig. 1 is the module structure schematic diagram of the self-starting system of the household radio frequency beauty instrument of the present invention;

图2为家用射频美容设备的使用流程图;Fig. 2 is the use flow chart of the home radio frequency beauty equipment;

图3为电容测量流程图;Figure 3 is a flow chart of capacitance measurement;

图4为面部皮肤电容区间设定流程图。Figure 4 is a flow chart for setting the capacitance range of the facial skin.

符号说明:Symbol Description:

振荡电路-1,检测单元-2,频率检测模块-21,电容确定模块-22,计算模块-23,控制单元-3,射频电极-4。Oscillation circuit-1, detection unit-2, frequency detection module-21, capacitance determination module-22, calculation module-23, control unit-3, radio frequency electrode-4.

具体实施方式Detailed ways

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,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做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。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 are only a part of the embodiments of the present invention, but not all of the embodiments. 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.

本发明的目的是提供一种家用射频美容仪自启动系统及家用射频美容设备,通过振荡电路的频率计算检测对象的电容值,根据电容值判断是否为面部皮肤,当检测到检测对象为面部皮肤时,控制家用射频美容仪的射频电极启动发射机制,向面部皮肤发射射频信号,通过面部感应实现自启动,解决了家用美容仪空载时耗电量大、机械磨损度高的问题,提高了家用射频美容仪射频信号发射的准确度,且无需手动控制射频发射机制,提高了家用射频美容仪的工作效率。The purpose of the present invention is to provide a self-starting system of a home radio frequency beauty instrument and a home radio frequency beauty device, the capacitance value of the detection object is calculated by the frequency of the oscillating circuit, and whether it is facial skin is judged according to the capacitance value, and when it is detected that the detection object is facial skin At the same time, it controls the radio frequency electrode of the home radio frequency beauty instrument to start the transmission mechanism, transmits radio frequency signals to the facial skin, and realizes self-starting through facial induction, which solves the problems of high power consumption and high mechanical wear when the home beauty instrument is empty, and improves the The accuracy of the radio frequency signal transmission of the home radio frequency beauty instrument, and the need to manually control the radio frequency transmission mechanism, improves the working efficiency of the home radio frequency beauty instrument.

为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明作进一步详细的说明。In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

如图1所示,本发明家用射频美容仪自启动系统包括:振荡电路1、检测单元2及控制单元3。As shown in FIG. 1 , the self-starting system of the home radio frequency beauty instrument of the present invention includes an oscillation circuit 1 , a detection unit 2 and a control unit 3 .

其中,家用射频美容仪采用市面上现有的射频美容仪即可,家用射频美容仪包括壳体、探头和射频电极4。Among them, the home radio frequency beauty instrument can use the existing radio frequency beauty instrument on the market, and the home radio frequency beauty instrument includes a housing, a probe and a radio frequency electrode 4 .

所述振荡电路1设置在家用射频美容仪壳体的内部,工作时与检测对象接触。在本实施例中,所述振荡电路为LC振荡电路。所述LC振荡电路包括内接电容、电感和存储器。具体地,LC振荡电路会周期性的充电、放电,在LC振荡电路的充放电过程中记录周期数,即可测量电路频率。The oscillating circuit 1 is arranged inside the housing of the household radio frequency beauty instrument, and is in contact with the detection object during operation. In this embodiment, the oscillation circuit is an LC oscillation circuit. The LC oscillating circuit includes an internal capacitor, an inductor and a memory. Specifically, the LC oscillating circuit will be charged and discharged periodically, and the frequency of the circuit can be measured by recording the number of cycles during the charging and discharging process of the LC oscillating circuit.

所述检测单元2设置在家用射频美容仪壳体的内部,并与所述振荡电路 1连接,所述检测单元2用于检测所述振荡电路1的频率,并根据振荡电路 1的频率计算所述检测对象的电容值。The detection unit 2 is arranged inside the housing of the household radio frequency beauty instrument and is connected to the oscillation circuit 1 . The detection unit 2 is used to detect the frequency of the oscillation circuit 1 and calculate the frequency of the oscillation circuit 1 Describe the capacitance value of the detected object.

所述控制单元3设置在家用射频美容仪壳体的内部,并分别与所述检测单元2及所述家用射频美容仪的射频电极4连接,所述控制单元3用于在所述检测对象的电容值大于等于面部最小电容值且小于等于面部最大电容值时,生成控制所述射频电极4启动发射机制的控制信号,并将所述控制信号发送至所述射频电极4,在所述检测对象的电容值小于面部最小电容值或大于面部最大电容值时,产生警示信号。所述面部最小电容值和面部最大电容值为预先确定的电容值。The control unit 3 is arranged inside the housing of the home radio frequency beauty instrument, and is connected to the detection unit 2 and the radio frequency electrode 4 of the home radio frequency beauty instrument respectively. When the capacitance value is greater than or equal to the minimum capacitance value of the face and less than or equal to the maximum capacitance value of the face, a control signal for controlling the radio frequency electrode 4 to start the transmission mechanism is generated, and the control signal is sent to the radio frequency electrode 4, where the detection object is When the capacitance value of the face is smaller than the minimum capacitance value of the face or greater than the maximum capacitance value of the face, a warning signal is generated. The minimum capacitance value of the face and the maximum capacitance value of the face are predetermined capacitance values.

本发明在感应式启动技术的基础上,加入了振荡电路1,可精准识别检测对象是否为面部皮肤,有效避免了射频能量无效发射导致的电池电量损耗。On the basis of the inductive start-up technology, the present invention adds an oscillation circuit 1, which can accurately identify whether the detection object is facial skin, and effectively avoid the battery power consumption caused by the ineffective emission of radio frequency energy.

具体地,所述检测单元2包括:频率检测模块21、电容确定模块22及计算模块23。Specifically, the detection unit 2 includes: a frequency detection module 21 , a capacitance determination module 22 and a calculation module 23 .

其中,所述频率检测模块21与所述振荡电路1连接,所述频率检测模块21用于检测所述振荡电路1的频率。The frequency detection module 21 is connected to the oscillation circuit 1 , and the frequency detection module 21 is used to detect the frequency of the oscillation circuit 1 .

所述电容确定模块22与所述频率检测模块21连接,所述电容确定模块 22用于根据所述振荡电路1的频率,确定所述振荡电路1的电容值。The capacitance determination module 22 is connected to the frequency detection module 21, and the capacitance determination module 22 is configured to determine the capacitance value of the oscillation circuit 1 according to the frequency of the oscillation circuit 1.

具体地,根据以下公式,确定振荡电路的电容值:Specifically, the capacitance value of the oscillation circuit is determined according to the following formula:

Figure BDA0003489885720000061
Figure BDA0003489885720000061

其中,f0为振荡电路的频率,L为振荡电路的电感值,C为振荡电路的电容值。L为预先设定的固定参数。Among them, f 0 is the frequency of the oscillating circuit, L is the inductance value of the oscillating circuit, and C is the capacitance value of the oscillating circuit. L is a preset fixed parameter.

所述计算模块23分别与所述电容确定模块22及所述控制单元3连接,所述计算模块23用于根据所述振荡电路1的电容值计算所述检测对象的电容值。The calculation module 23 is respectively connected to the capacitance determination module 22 and the control unit 3 , and the calculation module 23 is configured to calculate the capacitance value of the detection object according to the capacitance value of the oscillation circuit 1 .

根据以下公式,确定检测对象的电容值:Determine the capacitance value of the detection object according to the following formula:

Figure BDA0003489885720000062
Figure BDA0003489885720000062

其中,C2为检测对象的电容值,C1为振荡电路的内接电容值,C为振荡电路的电容值。Among them, C 2 is the capacitance value of the detection object, C 1 is the internal capacitance value of the oscillator circuit, and C is the capacitance value of the oscillator circuit.

进一步地,所述控制单元3还用于根据以下公式,确定面部最小电容值和面部最大电容值:Further, the control unit 3 is also used to determine the minimum capacitance value of the face and the maximum capacitance value of the face according to the following formula:

Cmin=μmin×argmin{C21,C22,C23};C min = μ min ×argmin {C 21 , C 22 , C 23 };

Cmax=μmax×argmax{C21,C22,C23};C max = μ max ×argmax {C 21 , C 22 , C 23 };

其中,Cmin为面部最小电容值,Cmax为面部最大电容值,μmin和μmax为振荡电路的修正系数,C21为额头皮肤电容值,C22为脸颊皮肤电容值,C23为下颌线皮肤电容值,argmin{}为求一组序列中参数值最小的元素,argmax{} 为求一组序列中参数值最大的元素。Among them, Cmin is the minimum capacitance value of the face, Cmax is the maximum capacitance value of the face, μmin and μmax are the correction coefficients of the oscillating circuit, C21 is the capacitance value of the forehead skin, C22 is the skin capacitance value of the cheek, and C23 is the jaw skin capacitance value. Line skin capacitance value, argmin{} is the element with the smallest parameter value in a set of sequences, and argmax{} is the element with the largest parameter value in a set of sequences.

由于面部皮肤的电容值与用户的肤质、当前皮肤状态、水合情况、环境温/湿度、季节等因素有关。因此,面部皮肤电容是一个变化量,随时间、地点、用户状态而改变,因此面部皮肤电容区间(面部最小电容值和面部最大电容值)需能够重新设置。Because the capacitance value of the facial skin is related to the user's skin quality, current skin state, hydration, ambient temperature/humidity, season and other factors. Therefore, the facial skin capacitance is a variable amount that changes with time, location, and user status, so the facial skin capacitance interval (the minimum facial capacitance value and the maximum facial capacitance value) needs to be able to be reset.

为了进一步提高家用射频美容仪射频信号发射的准确度,所述控制单元 3还用于按设定时间间隔重新确定面部最小电容值和面部最大电容值。In order to further improve the accuracy of the radio frequency signal transmission of the home radio frequency beauty instrument, the control unit 3 is also used to re-determine the minimum facial capacitance value and the maximum facial capacitance value according to the set time interval.

此外,本发明还提供一种家用射频美容设备,所述家用射频美容设备包括家用射频美容仪和上述的家用射频美容仪自启动系统。所述家用射频美容仪自启动系统设置在所述家用射频美容仪壳体的内部,并与所述家用射频美容仪的射频电极4连接。In addition, the present invention also provides a home radio frequency beauty device, the home radio frequency beauty device includes a home radio frequency beauty instrument and the above-mentioned home radio frequency beauty instrument self-starting system. The self-starting system of the household radio frequency beauty instrument is arranged inside the housing of the household radio frequency beauty instrument, and is connected to the radio frequency electrode 4 of the household radio frequency beauty instrument.

为了更好的理解本发明的方案,下面结合具体实施例进一步进行说明。In order to better understand the solution of the present invention, further description is given below in conjunction with specific embodiments.

如图2、图3和图4所示,本发明家用射频美容设备的使用流程为:As shown in Figure 2, Figure 3 and Figure 4, the use process of the household radio frequency beauty equipment of the present invention is:

第1步:将检测对象充分接触家用射频美容仪的探头。Step 1: Fully contact the test object with the probe of the home radio frequency beauty instrument.

第2步:测量振荡电路的频率,并记录当前频率f0Step 2: Measure the frequency of the oscillating circuit and record the current frequency f 0 .

第3步:根据振荡电路的内接电容值C1,计算当前检测对象的电容值 C2Step 3: Calculate the capacitance value C 2 of the current detection object according to the internal capacitance value C 1 of the oscillating circuit.

第4步:如图4所示,在用户面部的额头、脸颊、下颌线3个部位重复步骤1~3,将用户面部的额头、脸颊、下颌线的面部皮肤电容分别记为C21、 C22、C23Step 4: As shown in Figure 4, repeat steps 1 to 3 on the forehead, cheeks, and jawline of the user's face, and record the facial skin capacitances of the forehead, cheeks, and jawline of the user's face as C 21 , C respectively 22 , C23 .

第5步:根据额头、脸颊、下颌线的面部皮肤电容,计算面部皮肤电容区间[Cmin,Cmax],Cmin为面部最小电容值,Cmax为面部最大电容值。Step 5: Calculate the facial skin capacitance interval [C min , C max ] according to the facial skin capacitance of the forehead, cheek and jawline, where C min is the minimum facial capacitance value, and C max is the maximum facial capacitance value.

第6步:将面部皮肤电容区间存储于振荡电路的存储器。Step 6: Store the facial skin capacitance interval in the memory of the oscillating circuit.

第7步:用户再次使用时,将面部皮肤充分接触家用射频美容仪的探头,振荡电路重复步骤2~3,计算当前皮肤的电容值CxStep 7: When the user uses it again, the facial skin is fully contacted with the probe of the home radio frequency beauty instrument, and the oscillation circuit repeats steps 2 to 3 to calculate the current capacitance value C x of the skin.

第8步:从振荡电路的存储器中读取面部皮肤电容区间[Cmin,Cmax],判断当前皮肤电容Cx的取值是否属于在[Cmin,Cmax]的区间内:Step 8: Read the facial skin capacitance interval [C min , C max ] from the memory of the oscillating circuit, and determine whether the current value of the skin capacitance C x belongs to the interval [C min , C max ]:

如果在,则判定当前检测对象为用户面部皮肤,并控制射频电极向面部皮肤发射射频信号;If it is, it is determined that the current detection object is the user's facial skin, and the radio frequency electrode is controlled to transmit radio frequency signals to the facial skin;

如果不在,则判定当前检测对象为非用户面部皮肤,并产生射频不启动警示音,且不启动射频发射机制以保持电池电量。If not, it is determined that the current detection object is not the user's facial skin, and a radio frequency non-activation warning sound is generated, and the radio frequency transmission mechanism is not activated to maintain battery power.

第9步:用户再次使用过程中,家用射频美容仪的探头每移动一个位置,即振荡电路的振荡频率变化一次,重复步骤7~8。Step 9: During the user's re-use, every time the probe of the home radio frequency beauty instrument moves one position, the oscillation frequency of the oscillation circuit changes once, and steps 7-8 are repeated.

第10步:当用户接触面部皮肤而家用射频美容仪自启动系统发出射频不启动警示音时,用户需启动振荡电路校准,重置面部皮肤电容区间[Cmin, Cmax]后再使用家用射频美容仪自启动系统,以确保正常使用。Step 10: When the user touches the facial skin and the home radio frequency beauty instrument self-starting system emits a warning sound of radio frequency not starting, the user needs to start the oscillation circuit calibration, reset the facial skin capacitance range [C min , C max ], and then use the home radio frequency The beauty instrument automatically starts the system to ensure normal use.

用户面部包含额头、眼部、眼周、脸颊、鼻子、嘴周、下颌线多个部位,每个部位皮下组织成分、厚度有所不同,故每个部位的皮肤电容也不同。本发明根据家用射频美容仪的作用对象(额头、脸颊、下颌线)和各作用对象皮肤电容的正常变化范围(修正系数)来设定面部皮肤电容区间,进一步提高了面部皮肤判定的准确度。The user's face includes multiple parts of the forehead, eyes, around the eyes, cheeks, nose, around the mouth, and the jawline. The composition and thickness of the subcutaneous tissue in each part are different, so the skin capacitance of each part is also different. The invention sets the facial skin capacitance range according to the action objects (forehead, cheek, jawline) of the household radio frequency beauty instrument and the normal variation range (correction coefficient) of the skin capacitance of each action object, and further improves the accuracy of facial skin determination.

面部皮肤在人体皮肤中具有一定的特异性,面部皮肤的皮脂腺数量是身体皮肤的7倍左右,导致面部皮肤的含水量、出油量、水合状态均与身体皮肤不同。上述差异反应在电学特性上就是指面部皮肤的电容与其他部位皮肤电容不同。因此,本发明通过电容值判断是否为面部皮肤,再决定是否开启射频电极,提高了家用射频美容仪的工作效率。Facial skin has a certain specificity in human skin. The number of sebaceous glands in facial skin is about 7 times that of body skin, resulting in different water content, oil output and hydration state of facial skin from body skin. In terms of electrical characteristics, the above difference reaction means that the capacitance of the facial skin is different from that of the skin of other parts. Therefore, the present invention judges whether it is facial skin through the capacitance value, and then decides whether to turn on the radio frequency electrode, thereby improving the working efficiency of the home radio frequency beauty instrument.

本发明的家用射频美容仪自启动系统在美容仪探头未接触皮肤时不发射射频能量,有效降低电池耗电量,且适用于小型的家用射频美容仪,降低了美容的成本。The self-starting system of the home radio frequency beauty instrument of the present invention does not emit radio frequency energy when the beauty instrument probe does not touch the skin, effectively reduces battery power consumption, is suitable for small home radio frequency beauty instruments, and reduces the cost of beauty.

本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处。综上所述,本说明书内容不应理解为对本发明的限制。In this paper, specific examples are used to illustrate the principles and implementations of the present invention. The descriptions of the above embodiments are only used to help understand the methods and core ideas of the present invention; meanwhile, for those skilled in the art, according to the present invention There will be changes in the specific implementation and application scope. In conclusion, the contents of this specification should not be construed as limiting the present invention.

Claims (8)

1. A domestic radio frequency beauty instrument self-starting system, domestic radio frequency beauty instrument includes casing and radio frequency electrode, characterized by that, domestic radio frequency beauty instrument self-starting system includes:
the oscillation circuit is arranged in the shell of the domestic radio frequency beauty instrument and is contacted with a detection object when in work;
the detection unit is arranged in the shell of the household radio frequency beauty instrument, is connected with the oscillating circuit and is used for detecting the frequency of the oscillating circuit and calculating the capacitance value of the detection object according to the frequency of the oscillating circuit;
the control unit is arranged in the shell of the household radio-frequency beauty instrument, is respectively connected with the detection unit and the radio-frequency electrode of the household radio-frequency beauty instrument, and is used for generating a control signal for controlling the radio-frequency electrode to start an emission mechanism when the capacitance value of the detected object is greater than or equal to the minimum capacitance value of the face and less than or equal to the maximum capacitance value of the face, sending the control signal to the radio-frequency electrode, and generating a warning signal when the capacitance value of the detected object is less than the minimum capacitance value of the face or greater than the maximum capacitance value of the face; the face minimum capacitance value and the face maximum capacitance value are predetermined capacitance values.
2. The self-starting system of the radio frequency beauty treatment instrument for home use of claim 1, characterized in that the oscillation circuit is an LC oscillation circuit.
3. The home radio frequency beauty treatment instrument self-starting system according to claim 1, wherein said detection unit comprises:
the frequency detection module is connected with the oscillating circuit and used for detecting the frequency of the oscillating circuit;
the capacitance determining module is connected with the frequency detecting module and used for determining the capacitance value of the oscillating circuit according to the frequency of the oscillating circuit;
and the calculation module is respectively connected with the capacitance determination module and the control unit and is used for calculating the capacitance value of the detection object according to the capacitance value of the oscillation circuit.
4. The self-starting system of the radio frequency beauty instrument for home use according to claim 3, wherein the capacitance determining module determines the capacitance value of the oscillating circuit according to the following formula:
Figure FDA0003489885710000011
wherein f is 0 L is the inductance of the oscillating circuit, and C is the capacitance of the oscillating circuit.
5. The home radio frequency beauty instrument self-starting system according to claim 3, wherein said calculating module determines the capacitance value of the detected object according to the following formula:
Figure FDA0003489885710000021
wherein, C 2 A capacitance value of a detection object, C 1 The capacitance value is the internal capacitance value of the oscillation circuit, and C is the capacitance value of the oscillation circuit.
6. The self-starting system of the rf cosmetic home care instrument as claimed in claim 1, wherein the control unit is further configured to determine the minimum and maximum facial capacitance values according to the following formulas:
C min =μ min ×argmin{C 21 ,C 22 ,C 23 };
C max =μ max ×argmax{C 21 ,C 22 ,C 23 };
wherein, C min Minimum capacitance value of face, C max Maximum capacitance value of face, mu min And mu max As a correction factor of the oscillating circuit, C 21 Is the forehead skin capacitance value, C 22 Is the cheek skin capacitance value, C 23 For jaw line skin capacitance, argmin { } is the element that accounts for the smallest parametric value in a set of sequences, and argmax { } is the element that accounts for the largest parametric value in a set of sequences.
7. The home radio frequency beauty instrument self-starting system according to claim 1, wherein said control unit is further configured to re-determine the face minimum capacitance value and the face maximum capacitance value at set time intervals.
8. A home radio frequency beauty treatment apparatus, characterized in that it comprises a home radio frequency beauty treatment instrument and a home radio frequency beauty treatment instrument self-starting system according to any one of claims 1-7; the household radio frequency beauty instrument self-starting system is arranged in the household radio frequency beauty instrument shell and is connected with a radio frequency electrode of the household radio frequency beauty instrument.
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