CN113517749A - Frequency output circuit and beauty instrument with power management chip - Google Patents
Frequency output circuit and beauty instrument with power management chip Download PDFInfo
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- CN113517749A CN113517749A CN202111063020.XA CN202111063020A CN113517749A CN 113517749 A CN113517749 A CN 113517749A CN 202111063020 A CN202111063020 A CN 202111063020A CN 113517749 A CN113517749 A CN 113517749A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
- A61H2023/0209—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive powered with frequencies not related to mains frequency
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention discloses a frequency output circuit and a beauty instrument with a power management chip, wherein the power end of the power management chip is connected with the power input end, the power management chip is integrated with a charging module and a power management module connected with the charging module, and the frequency output circuit comprises a radio frequency module, an ultrasonic module and a PWM output module; the input ends of the radio frequency module, the ultrasonic module and the PWM output module are all connected to the power management module; the radio frequency module is used for processing the power supply output by the power supply management module so as to output a radio frequency signal; the ultrasonic module is used for processing the power supply output by the power supply management module so as to output an ultrasonic signal; and the PWM output module is used for processing the power supply output by the power supply management module so as to output an adjustable PWM signal. According to the technical scheme, the size of the PCB is reduced through the integrated design, and the development difficulty of the power supply is reduced.
Description
Technical Field
The invention relates to the technical field of beauty instruments, in particular to a frequency output circuit and a beauty instrument with a power management chip.
Background
Along with the increasing development of economy and the change of living habits of people, the use of the beauty instrument is more and more popularized. The power supply design of the traditional hand-held beauty instrument is formed by combining a plurality of single-function chips, and 4 power supply chips and more than two control loops are required to be designed.
In the traditional hand-held beauty instrument, a power supply voltage stabilization chip for supplying 3.3V power to a singlechip is arranged; the high-frequency vibration needs a 6-9V driving power supply; the power supply boosting chip is used for boosting the voltage of the 3.7V battery to 9V; EMS circuit, which is a power supply boost chip for boosting the voltage from 3.7V battery to 12V; the ultrasonic voltage is 120V, the voltage is boosted to 12V by a 3.7V battery and then boosted by a transformer, and the frequency needs to be finely adjusted by 32 KHz; the voltage of the radio frequency instrument is 120V, and is boosted to 12V by a 3.7V battery and then boosted by a transformer.
Therefore, the power supply part and the frequency output part of the traditional handheld beauty instrument occupy larger PCB space, and research personnel also need to design a control motor part and logic parts such as micro-current, radio frequency and the like by utilizing a single chip pin, a diode, a triode and an inductor, so that the development difficulty of the power supply is increased.
Disclosure of Invention
The invention mainly aims to provide a frequency output circuit and a beauty instrument with a power management chip, and aims to reduce the size of a PCB (printed circuit board) through an integrated design and reduce the development difficulty of a power supply.
In order to achieve the above object, in the frequency output circuit provided by the present invention, a power end of the power management chip is connected to a power input end, the power management chip is integrally provided with a charging module and a power management module connected to the charging module, and the frequency output circuit includes a radio frequency module, an ultrasonic module, and a PWM output module;
the input ends of the radio frequency module, the ultrasonic module and the PWM output module are all connected to the power management module;
the radio frequency module is used for processing the power supply output by the power supply management module so as to output a radio frequency signal;
the ultrasonic module is used for processing the power supply output by the power supply management module so as to output an ultrasonic signal;
and the PWM output module is used for processing the power supply output by the power supply management module so as to output an adjustable PWM signal.
Optionally, the radio frequency module, the ultrasonic module and the PWM output module each have an oscillator and a comparator connected in series.
Optionally, the radio frequency module and the ultrasonic wave module output radio frequency signals and ultrasonic waves with a frequency of 25KHz to 1MHz, and the PWM output module outputs an adjustable PWM signal with a frequency of 30Hz to 1.5 KHz.
Optionally, the power management module includes a boost module, a negative pressure module and a switch module;
the input end of the boosting module, the input end of the negative pressure module and the input end of the switch module are connected with the power supply input end;
the boosting module and the negative pressure module are used for controlling micro-current output of a massage head in the beauty instrument;
and the switch module is used for controlling the opening/closing of a motor, a water pump or an electromagnetic valve in the beauty instrument.
Optionally, the power management chip further includes a battery detection module;
the battery detection module is connected between the charging module and the power supply battery;
the battery detection module is used for detecting the charging state or the residual electric quantity of the power supply battery.
Optionally, the charging module is connected with a charging indicator light;
and the charging indicator lamp is used for prompting the charging state and the residual electric quantity of the power supply battery.
Optionally, the charge indicator lamp comprises a plurality of LED lamps;
and the plurality of LED lamps are circularly lightened so as to display the charging state and the residual electric quantity of the power supply battery.
Optionally, the battery detection module is further configured to detect whether the power supply battery is in a low voltage state and alarm.
Optionally, the voltage of the power supply battery is lower than a preset threshold voltage and is in a low-voltage state.
The present embodiment also provides a beauty instrument with a power management chip, the beauty instrument including the frequency output circuit as described above; the power supply end of the power supply management chip is connected with the power supply input end, the power supply management chip is integrally provided with a charging module and a power supply management module connected with the charging module, and the frequency output circuit comprises a radio frequency module, an ultrasonic module and a PWM (pulse width modulation) output module;
the input ends of the radio frequency module, the ultrasonic module and the PWM output module are all connected to the power management module;
the radio frequency module is used for processing the power supply output by the power supply management module so as to output a radio frequency signal;
the ultrasonic module is used for processing the power supply output by the power supply management module so as to output an ultrasonic signal;
and the PWM output module is used for processing the power supply output by the power supply management module so as to output an adjustable PWM signal.
The frequency output circuit is integrated on a power management chip of the beauty instrument, namely a radio frequency module, an ultrasonic module and a PWM module in the frequency output circuit are integrated on the power management chip; meanwhile, a power end of the power management chip is connected with a power input end, and the power management chip is integrated with a charging module and a power management module connected with the charging module; the whole power consumption requirement of the beauty instrument is met through an integrated power management chip; for example, the beauty instrument has the charge management of a power supply battery, a 3V voltage-stabilized power supply of a singlechip, a 9V heavy-current power supply for controlling the vibration strength and the working period of a motor and high-frequency high-energy consumption, 12V voltage required by ion micro-current, two paths of fixed frequency output and one path of adjustable frequency output. For traditional beauty instrument need the chip and a plurality of control circuit of many electric appearance functions, the beauty instrument of this scheme only needs a power management chip can realize same function, has effectively reduced the size of PCB in the beauty instrument, has reduced the development degree of difficulty of power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic block diagram of a power management chip of a cosmetic apparatus according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of another embodiment of a power management chip of the beauty instrument.
The reference numbers illustrate: 10. a charging module; 20. a power management module; 30. a frequency output circuit; 31. a radio frequency module; 32. an ultrasonic module; 33. a PWM output module; 40. a battery detection module; 50. a charging indicator light; 60. and a power supply battery.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a frequency output circuit. In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the frequency output circuit is integrally disposed on a power management chip of the beauty instrument, a power end of the power management chip is connected to a power input end, the power management chip is integrally disposed with a charging module 10 and a power management module 20 connected to the charging module 10, the frequency output circuit 30 includes a radio frequency module 31, an ultrasonic module 32, and a PWM output module 33;
the input ends of the radio frequency module 31, the ultrasonic module 32 and the PWM output module 33 are all connected to the power management module 20;
the radio frequency module 31 is configured to process the power supply output by the power supply management module 20 to output a radio frequency signal;
the ultrasonic module 32 is configured to process the power supply output by the power supply management module 20 to output an ultrasonic signal;
the PWM output module 33 is configured to process the power output by the power management module 20 to output an adjustable PWM signal.
In this embodiment, the radio frequency module 31, the ultrasonic wave module 32, and the PWM output module 33 all have an oscillator and a comparator connected in series, further, the radio frequency module 31 and the ultrasonic wave module 32 output a radio frequency signal and an ultrasonic wave with a frequency of 25KHz to 1MHz, and the PWM output module 33 outputs an adjustable PWM signal with a frequency of 30Hz to 1.5 KHz. In this embodiment, the frequency output circuit 30 in the power management chip can output two fixed frequencies and one adjustable PWM frequency.
In one embodiment, as shown in fig. 1, the power management module 20 includes a voltage boosting module, a negative voltage module and a switch module;
the input end of the boosting module, the input end of the negative pressure module and the input end of the switch module are connected with the power supply input end;
the boosting module and the negative pressure module are used for controlling micro-current output of a massage head in the beauty instrument;
and the switch module is used for controlling the opening/closing of a motor, a water pump or an electromagnetic valve in the beauty instrument.
In this embodiment, the power management module 20 can output multiple voltages, and compared with the power design of the conventional handheld cosmetic instrument that requires a combination of multiple chips with single function, specifically, 4 power chips and more than two control loops need to be designed, while the power requirements and timing sequences of the CPU I/O, GPU, the memory, the communication chip and other interfaces can be realized by one unified power management chip, so as to achieve the purposes of reducing the size space of the PCB and reducing power consumption.
In an embodiment, the power management module 20 further includes an LDO (low dropout regulator) module, which can be used to supply power to the auxiliary devices of the beauty instrument.
Based on the above embodiments, the frequency output circuit 30 in the present embodiment is integrated in a power management chip of the cosmetic instrument, that is, the rf module 31, the ultrasonic module 32, and the PWM module in the frequency output circuit 30 are integrated in the power management chip; meanwhile, a power end of the power management chip is connected with a power input end, and the power management chip is integrally provided with a charging module 10 and a power management module 20 connected with the charging module 10; the whole power consumption requirement of the beauty instrument is solved through an integrated power management chip. The beauty instrument of the embodiment includes functional components such as a massage head, a motor, and a water pump.
For example, the beauty instrument has the charge management of the power supply battery 60, a 3V voltage-stabilized power supply of the singlechip, a 9V heavy-current power supply for controlling the vibration strength and the working period of the motor and high-frequency high-energy consumption, 12V voltage required by ion micro-current, two paths of fixed frequency output and one path of adjustable frequency output. For traditional beauty instrument need the chip and a plurality of control circuit of many electric appearance functions, the beauty instrument of this scheme only needs a power management chip can realize same function, has effectively reduced the size of PCB in the beauty instrument, has reduced the development degree of difficulty of power.
In one embodiment, as shown in fig. 1 and 2, the power management chip further includes a battery detection module 40;
the battery detection module 40 is connected between the charging module 10 and the power supply battery 60;
the battery detection module 40 is configured to detect a charging state or a remaining power of the power supply battery 60;
the battery detection module 40 is further configured to detect whether the power supply battery 60 is in a low voltage state and alarm.
In this embodiment, the battery detection module 40 may detect the charging state or the remaining power of the power supply battery 60, and simultaneously may detect whether the power supply battery 60 is in a low voltage state and alarm, and may detect the actual heating and cooling temperature of the cosmetic instrument, so as to improve the reliability of the cosmetic instrument. The detection function of the battery detection module 40 is set according to an actual application scenario, and is not particularly limited herein.
In this embodiment, the voltage of the power supply battery 60 is lower than the preset threshold voltage, which is a low voltage state. It is understood that the preset threshold voltage may be, but is not limited to, 2.5V, 2.8V, 3V, etc., and is set according to an actual application scenario, which is not limited herein. When the battery detection module 40 detects that the voltage of the power supply battery 60 is lower than the preset threshold voltage, it determines that the power supply battery 60 is in a low voltage state, and may alarm through an LED lamp. The battery detection module 40 may further be externally connected to an external MOS transistor.
The charging module 10 in the above embodiment is connected with a charging indicator lamp 50;
the charge indicator lamp 50 is used for indicating the charging state and the remaining capacity of the power supply battery 60. Further, the charge indicator lamp 50 includes a plurality of LED lamps; the plurality of LED lamps are cyclically lighted to display the charging state and the remaining capacity of the power supply battery 60.
In this embodiment, for the charging management of the charging module 10 on the 3.7V lithium battery, the charging state and the charging quantity progress are displayed through the 4 LED lamps in the charging indicator lamp 50, and meanwhile, the charging module 10 may also program the charging current, where the programmed charging current may be 0.2A, 0.5A, or 1A, and is set according to the actual application scenario.
Specifically, 4 LED lamps can be turned on cyclically at time intervals to indicate the charging, and after the power supply battery 60 is fully charged, the 4 LED lamps are constantly turned on, so as to conveniently display the charging state of the power supply battery 60 of the beauty instrument.
It should be noted that the beauty instrument can be powered by the power supply battery 60, or directly powered by an external dc power supply, so that the beauty instrument has power supply diversity and is more convenient to charge.
In order to achieve the above object, the present embodiment also proposes a cosmetic instrument with a power management chip, the cosmetic instrument including the frequency output circuit 30; the power supply end of the power supply management chip is connected with the power supply input end, the power supply management chip is integrally provided with a charging module 10 and a power supply management module 20 connected with the charging module 10, and the frequency output circuit 30 comprises a radio frequency module 31, an ultrasonic module 32 and a PWM output module 33;
the input ends of the radio frequency module 31, the ultrasonic module 32 and the PWM output module 33 are all connected to the power management module 20;
the radio frequency module 31 is configured to process the power supply output by the power supply management module 20 to output a radio frequency signal;
the ultrasonic module 32 is configured to process the power supply output by the power supply management module 20 to output an ultrasonic signal;
the PWM output module 33 is configured to process the power output by the power management module 20 to output an adjustable PWM signal.
The specific structure of the beauty instrument with the power management chip refers to the above-mentioned embodiments, and since the beauty instrument with the power management chip adopts all the technical solutions of all the embodiments of the frequency output circuit, at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A frequency output circuit is integrated on a power management chip of a beauty instrument, and is characterized in that a power supply end of the power management chip is connected with a power supply input end, the power management chip is integrated with a charging module and a power management module connected with the charging module, and the frequency output circuit comprises a radio frequency module, an ultrasonic module and a PWM output module;
the input ends of the radio frequency module, the ultrasonic module and the PWM output module are all connected to the power management module;
the radio frequency module is used for processing the power supply output by the power supply management module so as to output a radio frequency signal;
the ultrasonic module is used for processing the power supply output by the power supply management module so as to output an ultrasonic signal;
and the PWM output module is used for processing the power supply output by the power supply management module so as to output an adjustable PWM signal.
2. The frequency output circuit of claim 1, wherein the radio frequency module, the ultrasonic module, and the PWM output module each have an oscillator and a comparator connected in series.
3. The frequency output circuit of claim 2, wherein the rf module and the ultrasonic module output rf signals and ultrasonic waves with a frequency of 25KHz to 1MHz, and the PWM output module outputs an adjustable PWM signal with a frequency of 30Hz to 1.5 KHz.
4. The frequency output circuit of claim 1, wherein the power management module comprises a boost module, a negative voltage module, and a switch module;
the input end of the boosting module, the input end of the negative pressure module and the input end of the switch module are connected with the power supply input end;
the boosting module and the negative pressure module are used for controlling micro-current output of a massage head in the beauty instrument;
and the switch module is used for controlling the opening/closing of a motor, a water pump or an electromagnetic valve in the beauty instrument.
5. The frequency output circuit of claim 1, wherein the power management chip further comprises a battery detection module;
the battery detection module is connected between the charging module and the power supply battery;
the battery detection module is used for detecting the charging state or the residual electric quantity of the power supply battery.
6. The frequency output circuit of claim 5, wherein a charging indicator light is connected to the charging module;
and the charging indicator lamp is used for prompting the charging state and the residual electric quantity of the power supply battery.
7. The frequency output circuit of claim 6, wherein the charge indicator light comprises a plurality of LED lights;
and the plurality of LED lamps are circularly lightened so as to display the charging state and the residual electric quantity of the power supply battery.
8. The frequency output circuit of claim 5, wherein the battery detection module is further configured to detect whether the power supply battery is in a low voltage state and alarm.
9. The frequency output circuit according to claim 8, wherein the voltage of the power supply battery is lower than a preset threshold voltage, and the low voltage state is obtained.
10. A cosmetic device having a power management chip, the cosmetic device comprising the frequency output circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063020.XA CN113517749A (en) | 2021-09-10 | 2021-09-10 | Frequency output circuit and beauty instrument with power management chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111063020.XA CN113517749A (en) | 2021-09-10 | 2021-09-10 | Frequency output circuit and beauty instrument with power management chip |
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| CN113517749A true CN113517749A (en) | 2021-10-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201543121U (en) * | 2009-11-26 | 2010-08-11 | 深圳嘉润茂电子有限公司 | Ultrasonic beauty treatment device capable of working without power cord |
| US20120116389A1 (en) * | 2010-11-05 | 2012-05-10 | Houser Kevin L | Surgical instrument shaft with resiliently biased coupling to handpiece |
| CN202409613U (en) * | 2011-12-27 | 2012-09-05 | 广州市康乃馨健康发展有限公司 | Multifunctional pulse physiotherapy cosmetic instrument |
| CN208752424U (en) * | 2018-08-07 | 2019-04-16 | 西安伊蔓蒂电子科技有限公司 | A kind of control circuit |
| CN111529935A (en) * | 2020-05-29 | 2020-08-14 | 浙江纳诺杰特光电科技有限公司 | Eye care apparatus |
| CN112870567A (en) * | 2021-03-12 | 2021-06-01 | 东莞市凌风科技有限公司 | Power conversion equipment and radio frequency beauty instrument |
-
2021
- 2021-09-10 CN CN202111063020.XA patent/CN113517749A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543121U (en) * | 2009-11-26 | 2010-08-11 | 深圳嘉润茂电子有限公司 | Ultrasonic beauty treatment device capable of working without power cord |
| US20120116389A1 (en) * | 2010-11-05 | 2012-05-10 | Houser Kevin L | Surgical instrument shaft with resiliently biased coupling to handpiece |
| CN202409613U (en) * | 2011-12-27 | 2012-09-05 | 广州市康乃馨健康发展有限公司 | Multifunctional pulse physiotherapy cosmetic instrument |
| CN208752424U (en) * | 2018-08-07 | 2019-04-16 | 西安伊蔓蒂电子科技有限公司 | A kind of control circuit |
| CN111529935A (en) * | 2020-05-29 | 2020-08-14 | 浙江纳诺杰特光电科技有限公司 | Eye care apparatus |
| CN112870567A (en) * | 2021-03-12 | 2021-06-01 | 东莞市凌风科技有限公司 | Power conversion equipment and radio frequency beauty instrument |
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Application publication date: 20211019 |