WO2020215201A1 - 用于产生正弦波振动的多功能美体仪系统 - Google Patents

用于产生正弦波振动的多功能美体仪系统 Download PDF

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WO2020215201A1
WO2020215201A1 PCT/CN2019/083865 CN2019083865W WO2020215201A1 WO 2020215201 A1 WO2020215201 A1 WO 2020215201A1 CN 2019083865 W CN2019083865 W CN 2019083865W WO 2020215201 A1 WO2020215201 A1 WO 2020215201A1
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sine wave
wave
output
time
instrument system
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PCT/CN2019/083865
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French (fr)
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赖勇康
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深圳贵之族生科技有限公司
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Priority to CN201980004304.6A priority Critical patent/CN111225713B/zh
Priority to PCT/CN2019/083865 priority patent/WO2020215201A1/zh
Publication of WO2020215201A1 publication Critical patent/WO2020215201A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36003—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of motor muscles, e.g. for walking assistance

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  • the invention relates to the field of beauty equipment, in particular to a multifunctional body beauty instrument system for generating sine wave vibration.
  • the present invention provides a multifunctional body beauty instrument system for generating sine wave vibration.
  • the multifunctional body instrument system for generating sine wave vibration includes a constant voltage pulse width modulation PWM boost DC/DC converter, an input end, and an output end.
  • the constant voltage pulse width modulation PWM boost DC/DC The converter uses the SPWM method to output the corresponding constant voltage of the square wave input from the input terminal from the output terminal;
  • the pulse width of the input square wave is adjusted from narrow to wide at the first time, and from wide to narrow at the second time, the first time and the second time are continuous without an interval, and the The duration of the first time and the second time are equal, so that the corresponding constant voltage of the output changes from low to high and then to low, so that the output is equivalent to a sine wave in terms of time accumulation.
  • sine wave is a continuous sine wave with only a positive half cycle.
  • the H-bridge circuit also includes an H-bridge circuit, the H-bridge circuit has A+ and A- ends, the control bridge arm of the H-bridge circuit is provided with four MOS tubes, and the four MOS tubes are controlled to be turned on and off. Change the polarity of the current at both ends of A+ and A- to realize the change of the direction of the current at both ends of A+ and A-, so that the continuous sine wave input with only a positive half cycle can be half flipped to a negative half cycle to obtain an m sine wave.
  • the m sine wave is modulated with a square wave of n/2KHz to output the envelope wave.
  • the beneficial effects of the present invention are: using the multifunctional body beauty instrument system for generating sine wave vibrations of the present invention to generate sine waves to act on the skin to achieve the effects of massage, fitness, weight loss, etc., relative to the square wave output, sine waves act on the skin
  • the body feels softer, has a massage feeling, and makes the skin more comfortable
  • sine wave AC output the voltage is transitioned from small to large when the electrodes are switched, reducing muscle overexcitation; among them, only the continuous sine wave of the positive half cycle is a low-frequency wave, which acts on Superficial skin
  • m sine wave is an intermediate frequency wave, which can penetrate the surface and enter the deep layer
  • envelope wave can stimulate muscle excitement from the outside to the inside, and truly exercise the muscles in all directions.
  • Fig. 1 is an output circuit diagram of the sine wave of the present invention
  • FIG. 2 is a schematic diagram of the relationship between SPWM and sine wave of the present invention.
  • Figure 3 is a circuit diagram of the waveform modulation implementation of the present invention.
  • Fig. 4 is a schematic diagram of the modulation process of the low frequency wave and the intermediate frequency wave of the present invention.
  • the present invention proposes a multifunctional body instrument system for generating sine wave vibration, including a constant voltage pulse width modulation PWM step-up DC/DC converter, an input end, an output end, the constant voltage pulse
  • the wide modulation PWM step-up DC/DC converter adopts the SPWM method to output the corresponding constant voltage of the square wave input from the input terminal from the output terminal;
  • the pulse width of the input square wave is adjusted from narrow to wide at the first time, and from wide to narrow at the second time, the first time and the second time are continuous without an interval, and the The duration of the first time and the second time are equal, so that the corresponding constant voltage of the output changes from low to high and then to low, so that the output is equivalent to a sine wave in terms of time accumulation.
  • PWM Pulse Width Modulation (pulse width modulation), which changes the equivalent output voltage by changing the duty cycle of the output square wave.
  • SPWM changes the modulating pulse mode on the basis of PWM, and the pulse width time duty ratio is arranged according to the sine law, so that the output waveform can be sine wave output after proper filtering.
  • the selected model of the constant voltage pulse width modulation PWM step-up DC/DC converter is SGM41285 constant voltage pulse width modulation PWM step-up DC/DC converter, which can theoretically output up to 70V The voltage.
  • V_EMS is the output terminal and FB is the input terminal.
  • the pulse width of the input square wave corresponds to the amplitude of the sine wave.
  • the pulse width of the input square wave is higher, the amplitude of the sine wave is larger.
  • the node at the time boundary is the peak of the sine wave, and the first time and the second time are both 1/4 period of the sine wave.
  • the PWM frequency can be set to 10KHz-20KHz according to the actual circuit.
  • the PWM frequency used is 17KHz.
  • sine wave is a continuous sine wave with only a positive half cycle.
  • the continuous sine wave with only a positive half cycle formed is 20 Hz, which is a low frequency wave.
  • the H bridge circuit has A+ and A- ends.
  • the control bridge arm of the H bridge circuit is provided with four MOS transistors.
  • the MOS tube is turned on and off to change the polarity of the current at both ends of A+ and A-, to achieve the change of the direction of the current at both ends of A+ and A-, so that the continuous sine wave with only a positive half cycle of input can realize half flip to negative half cycle, and get m Sine wave.
  • the m sine wave is modulated with a square wave of n/2KHz to output the envelope wave.
  • n 2
  • m sine wave 1KHz, which is an intermediate frequency wave.
  • the four MOS tubes are BRIDGEB_B, BRIDGEA_A, BRIDGEA_B, and BRIDGEB_A.
  • BRIDGEB_B, BRIDGEA_A are turned on at the same time, BRIDGEA_B, BRIDGEB_A are turned off at the same time, and output 1KHz m sine wave positive half cycle; BRIDGEB_B, BRIDGEA_A are turned off at the same time, BRIDGEA_B, BRIDGEB_A are turned on at the same time, output 1KHz m sine wave negative half cycle; use 2KHz frequency to switch back The group switch produces a 1KHz m-sine wave, which is an intermediate frequency waveform output.
  • the 20Hz sine wave (positive half cycle) passes through the H bridge circuit (the EMS_AFT input of the circuit diagram in Figure 3 below), using the switches of the four MOS transistors in the bridge arm (switching frequency 2KHz), so the 1KHz m sine wave is superimposed in 50ms
  • the above forms a 20Hz modulated sine wave, that is, it can output 20Hz modulated 1KHz alternating current, that is, an envelope wave.
  • the multifunctional body beauty instrument system for generating sine wave vibrations of the present invention is used to generate sine waves and act on the skin.
  • the sine waves Compared with the square wave output, the sine waves have a softer body feeling on the skin and provide a massage feeling. More comfortable; AC output of sine wave, the voltage transitions from small to large when the electrodes are switched, reducing muscle overexcitation; among them, only the continuous sine wave of the positive half cycle is a low-frequency wave that acts on the superficial skin; m sine wave is an intermediate frequency wave, It can penetrate the surface and enter the deep layer; the envelope wave can stimulate muscle excitement from the outside to the inside, and truly exercise the muscles in all directions.
  • the multifunctional beauty instrument system for generating sine wave vibrations of the present invention is used to generate sine waves to act on the skin of body parts.
  • the body parts can be freely selected by the user, such as low frequency wave, intermediate frequency wave, and envelope wave. All have sine wave vibration, and users can choose one of the three to achieve massage, fitness, weight loss and other effects.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
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  • Heart & Thoracic Surgery (AREA)
  • Electrotherapy Devices (AREA)

Abstract

一种用于产生正弦波振动的多功能美体仪系统以产生正弦波作用于皮肤，以达到按摩、健身、减肥等功效，相对方波输出，正弦波作用皮肤体感更柔和，有按摩的感觉，使皮肤更舒适；正弦波交流输出，在电极切换时电压都是从小到大过渡，减少肌肉过激反应；其中只有正半周的连续正弦波为低频波，作用于浅层皮肤；m正弦波为中频波，能穿透表层进入深层作用；包络波则可以由外到内刺激肌肉兴奋，真正全方位锻炼肌肉。

Description

用于产生正弦波振动的多功能美体仪系统 技术领域
本发明涉及美容设备领域，特别是一种用于产生正弦波振动的多功能美体仪系统。
背景技术
据不完全统计，全球肥胖人数已有13亿之众，用于减肥治疗费用已高达上千亿美元，中国目前肥胖病人数也已超过7千万，且发病率仍呈上升趋势。如何减肥，这已成为大众日益关注的热门话题，各种减肥方法亦五花八门，但大多不能令人满意。例如手术抽脂存在破坏身体组织的危险，药物减肥存在副作用以及造成对药物的依赖，运动减肥见效慢。因此现在市面上出现很多物理疗法来达到快速减肥的美容多功能美体仪器。
然而，这些美容多功能美体仪器以方波等形式的电子脉冲在作用于人体皮肤时，人体体感强烈，过于刺激，增加肌肉过激反应情况的出现概率，无法给人舒适的使用体验，不能很好地满足各类减肥人员的使用。
发明内容
为提供一种能够作用皮肤体感更柔和，使人有按摩的感觉，使皮肤更舒适，减少肌肉过激反应。本发明提出一种用于产生正弦波振动的多功能美体仪系统。
该用于产生正弦波振动的多功能美体仪系统，包括恒压脉宽调制PWM升压型DC/DC转换器、输入端、输出端，所述恒压脉宽调制PWM升压型DC/DC转换器采用SPWM的方法将所述输入端输入的方波由所述输出端输出对应的恒定 电压；
其中，所输入的方波的脉冲宽度在第一时间上由窄变宽调节，在第二时间上由宽变窄调节，所述第一时间和所述第二时间连续无间隔，且所述第一时间和所述第二时间的时长相等，以使得输出的对应的恒定电压由低渐变高再渐变低，从而实现了输出在时间的积累上等效为正弦波。
进一步的，所述正弦波为只有正半周的连续正弦波。
进一步的，还包括H桥电路，所述H桥电路具有A+和A‐两端，所述H桥电路的控制桥臂设有四个MOS管，通过控制四个MOS管的导通和关闭以改变A+和A‐两端的电流极性，实现A+和A‐两端的电流方向的改变，从而使输入只有正半周的连续正弦波实现一半翻转到负半周，得到m正弦波。
进一步的，A+和A‐两端极性改变的频率为nKHz，则能得到n/2KHz的方波。
进一步的，以n/2KHz的方波调制于m正弦波以输出包络波。
本发明的有益效果在于：使用本发明的用于产生正弦波振动的多功能美体仪系统以产生正弦波作用于皮肤，以达到按摩、健身、减肥等功效，相对方波输出，正弦波作用皮肤体感更柔和，有按摩的感觉，使皮肤更舒适；正弦波交流输出，在电极切换时电压都是从小到大过渡，减少肌肉过激反应；其中只有正半周的连续正弦波为低频波，作用于浅层皮肤；m正弦波为中频波，能穿透表层进入深层作用；包络波则可以由外到内刺激肌肉兴奋，真正全方位锻炼肌肉。
附图说明
图1为本发明的正弦波的输出电路图；
图2为本发明的SPWM和正弦波的关系示意图；
图3为本发明的波形调制的实现电路图；
图4为本发明的低频波和中频波的调制过程示意图。
具体实施方式
下面将本发明的技术方案结合具体实施例作进一步的详细说明。
请参考图1；本发明提出一种用于产生正弦波振动的多功能美体仪系统，包括恒压脉宽调制PWM升压型DC/DC转换器、输入端、输出端，所述恒压脉宽调制PWM升压型DC/DC转换器采用SPWM的方法将所述输入端输入的方波由所述输出端输出对应的恒定电压；
其中，所输入的方波的脉冲宽度在第一时间上由窄变宽调节，在第二时间上由宽变窄调节，所述第一时间和所述第二时间连续无间隔，且所述第一时间和所述第二时间的时长相等，以使得输出的对应的恒定电压由低渐变高再渐变低，从而实现了输出在时间的积累上等效为正弦波。
其中，PWM即Pulse Width Modulation(脉冲宽度调制)，它是通过改变输出方波的占空比来改变等效的输出电压。
如图2所示，而SPWM，就是在PWM的基础上改变了调制脉冲方式，脉冲宽度时间占空比按正弦规律排列，这样输出波形经过适当的滤波可以做到正弦波输出。
在本实施方式中，所述恒压脉宽调制PWM升压型DC/DC转换器所选用的型号为SGM41285恒压脉宽调制PWM升压型DC/DC转换器，其理论上可以输出高达70V的电压。
如图1所示，V_EMS为输出端，FB为输入端。
在本实施方式中，所输入的方波的脉冲宽度对应正弦波的振幅，当所输入 的方波的脉冲宽度越高，正弦波的振幅就越大，在所述第一时间和所述第二时间交界的节点，即为正弦波的波峰，所述第一时间和所述第二时间均为正弦波的1/4周期。
在本实施方式中，PWM频率可根据实际电路设置为10KHz～20KHz，本发明中，使用的PWM频率为17KHz。
进一步的，所述正弦波为只有正半周的连续正弦波。
在本实施方式中，利用SPWM输出等效电压后，所形成的只有正半周的连续正弦波为20Hz，为低频波。
请参考图3‐图4，进一步的，还包括H桥电路，所述H桥电路具有A+和A‐两端，所述H桥电路的控制桥臂设有四个MOS管，通过控制四个MOS管的导通和关闭以改变A+和A‐两端的电流极性，实现A+和A‐两端的电流方向的改变，从而使输入只有正半周的连续正弦波实现一半翻转到负半周，得到m正弦波。
进一步的，A+和A‐两端极性改变的频率为nKHz，则能得到n/2KHz的方波。
进一步的，以n/2KHz的方波调制于m正弦波以输出包络波。
在此，假设n为2，m正弦波的频率为1KHz，为中频波。
如图3所示，四个MOS管分别为BRIDGEB_B、BRIDGEA_A、BRIDGEA_B、BRIDGEB_A。
BRIDGEB_B、BRIDGEA_A同时开，BRIDGEA_B、BRIDGEB_A同时关，输出1KHz的m正弦波正半周；BRIDGEB_B、BRIDGEA_A同时关，BRIDGEA_B、BRIDGEB_A同时开，输出1KHz的m正弦波负半周；使用2KHz的频率来回切换这两组开关，则产生了1KHz的m正弦波，即中频波形输出。
20Hz正弦波(正半周)经过H桥电路(如下图3的电路图的EMS_AFT输入)， 利用桥臂四个MOS管的开关切换(切换频率2KHz)，所以，1KHz的m正弦波在50ms时间的叠加上就形成了20Hz调制的正弦波形，即能输出20Hz调制1KHz的交流电，即包络波。
在本实施方式中，使用本发明的用于产生正弦波振动的多功能美体仪系统以产生正弦波作用于皮肤，相对方波输出，正弦波作用皮肤体感更柔和，有按摩的感觉，使皮肤更舒适；正弦波交流输出，在电极切换时电压都是从小到大过渡，减少肌肉过激反应；其中只有正半周的连续正弦波为低频波，作用于浅层皮肤；m正弦波为中频波，能穿透表层进入深层作用；包络波则可以由外到内刺激肌肉兴奋，真正全方位锻炼肌肉。
在本实施方式中，使用本发明的用于产生正弦波振动的多功能美体仪系统以产生正弦波作用于身体部位的皮肤，身体部位可以由用户自由选择，低频波、中频波、包络波均具备正弦波振动，用户可以选择三者中其一，以达到按摩、健身、减肥等功效。
以上是本发明的较佳实施例。应当理解，本实施例用于解释和说明本发明的技术方案，不用于限定本发明的保护范围。该领域的一般技术人员在理解了本发明的基础上，所做的非创造性变形和改进应该也属于本发明保护的范围。

Claims (5)

  1. 一种用于产生正弦波振动的多功能美体仪系统，其特征在于，包括恒压脉宽调制PWM升压型DC/DC转换器、输入端、输出端，所述恒压脉宽调制PWM升压型DC/DC转换器采用SPWM的方法将所述输入端输入的方波由所述输出端输出对应的恒定电压；
    其中，所输入的方波的脉冲宽度在第一时间上由窄变宽调节，在第二时间上由宽变窄调节，所述第一时间和所述第二时间连续无间隔，且所述第一时间和所述第二时间的时长相等，以使得输出的对应的恒定电压由低渐变高再渐变低，从而实现了输出在时间的积累上等效为正弦波。
  2. 根据权利要求1所述的用于产生正弦波振动的多功能美体仪系统，其特征在于，所述正弦波为只有正半周的连续正弦波。
  3. 根据权利要求2所述的用于产生正弦波振动的多功能美体仪系统，其特征在于，还包括H桥电路，所述H桥电路具有A+和A‐两端，所述H桥电路的控制桥臂设有四个MOS管，通过控制四个MOS管的导通和关闭以改变A+和A‐两端的电流极性，实现A+和A‐两端的电流方向的改变，从而使输入只有正半周的连续正弦波实现一半翻转到负半周，得到m正弦波。
  4. 根据权利要求3所述的用于产生正弦波振动的多功能美体仪系统，其特征在于，A+和A‐两端极性改变的频率为nKHz，则能得到n/2KHz的方波。
  5. 根据权利要求4所述的用于产生正弦波振动的多功能美体仪系统，其特征在于，以n/2KHz的方波调制于m正弦波以输出包络波。
PCT/CN2019/083865 2019-04-23 2019-04-23 用于产生正弦波振动的多功能美体仪系统 WO2020215201A1 (zh)

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