CN114225219B - Domestic radio frequency beauty instrument self-starting system and domestic radio frequency beauty equipment - Google Patents
Domestic radio frequency beauty instrument self-starting system and domestic radio frequency beauty equipment Download PDFInfo
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
- A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
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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
- A61N1/02—Details
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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
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
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Abstract
The invention provides a domestic radio frequency beauty instrument self-starting system and domestic radio frequency beauty equipment, belonging to beauty instrument control technology field, the domestic radio frequency beauty instrument self-starting system is arranged in the domestic radio frequency beauty instrument shell, the domestic radio frequency beauty instrument self-starting system includes: an oscillation circuit, a detection unit and a control unit; the oscillating circuit is contacted with a detection object when in work; the detection unit is used for detecting the frequency of the oscillation circuit and calculating the capacitance value of a detection object according to the frequency of the oscillation circuit; the control unit is used for generating a control signal for controlling the radio-frequency electrode to start an emission mechanism when the capacitance value of the detection 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, and sending the control signal to the radio-frequency electrode. Whether the detected object is facial skin is judged through the capacitance value, the accuracy of the radio frequency signal transmission of the household radio frequency beauty instrument is improved, a radio frequency transmission mechanism does not need to be manually controlled, and the working efficiency of the household radio frequency beauty instrument is improved.
Description
Technical Field
The invention relates to the technical field of cosmetic instrument control, in particular to a self-starting system of a household radio frequency cosmetic instrument and household radio frequency cosmetic equipment.
Background
The household radio frequency beauty instrument has the technical principle that radio frequency energy is gathered to a subcutaneous corium layer by controlling the layout and the emission parameters of electrodes, so that the temperature of collagen in the corium layer is increased and the collagen is heated and denatured, and therefore, the collagen is stimulated to regenerate, and the cosmetic effect of tightening and lifting is achieved. In the technical field of household radio frequency beauty, the fact that the temperature of the dermis layer needs to reach 45-55 ℃ to effectively stimulate the regeneration of collagen is generally recognized in the medical field, the heat of the dermis layer is transferred upwards to cause the temperature of the epidermis layer to rise, and the temperature of the epidermis layer does not exceed 43 ℃ to avoid scalding.
Most of the beauty instruments on the market at present are rechargeable beauty instruments, and gradually replace plug-in beauty instruments. In order to reduce the power consumption speed of the rechargeable cosmetic instrument and prolong the single charging use time, how to reduce the power consumption of the cosmetic instrument in the use process is an important problem. At present, there are two main starting mechanisms for radio frequency transmission, one is a key-type starting method, and the other is an induction-type starting method.
The key-type starting method is that before the user starts to use the beauty instrument, the user manually presses the switch key to inform the main control chip to start emitting radio frequency energy outwards through the radio frequency electrode until the user manually presses the switch key after finishing beauty treatment. The method has the advantages of no response time after contacting the skin, quick temperature rise, and the defect of emitting radio frequency energy when not contacting the skin, thereby greatly increasing the power consumption of the battery.
The inductive starting mode is that a circuit breakpoint is connected to the beauty instrument probe, when a conductor contacts the beauty instrument probe, the breakpoint is communicated to inform the main control chip to start to emit radio frequency energy outwards through the radio frequency electrode; when the conductor is separated from the probe body of the beauty instrument, the breakpoint is opened, and the energy emission is stopped. The method has the advantages of reducing dead time and power consumption, and has the disadvantages that the type of a conductor connected into a breakpoint cannot be identified, the transmission mechanism is not accurate enough, and the radio frequency energy transmission mechanism can be started no matter whether the body skin, the facial skin or other conductive materials are used or even when a user uses the method in an environment with high humidity.
Based on the above problems, a new self-starting system of a beauty instrument is needed to solve the problems of large power consumption and inaccurate emission mechanism during idle time.
Disclosure of Invention
The invention aims to provide a self-starting system of a household radio frequency beauty instrument and household radio frequency beauty equipment, which can accurately identify a heating object, improve the accuracy of radio frequency emission and reduce the power consumption of a battery.
In order to achieve the purpose, the invention provides the following scheme:
a home radio frequency cosmetic instrument self-starting system, the home radio frequency cosmetic instrument comprising a housing and a radio frequency electrode, the home radio frequency cosmetic instrument self-starting system comprising:
the oscillation circuit is arranged inside the shell of the household 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.
Optionally, the oscillation circuit is an LC oscillation circuit.
Optionally, the detection unit includes:
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.
Optionally, the capacitance determining module determines the capacitance value of the oscillating circuit according to the following formula:
wherein f is 0 L is the inductance of the oscillating circuit, and C is the capacitance of the oscillating circuit.
Optionally, the calculation module determines the capacitance value of the detection object according to the following formula:
wherein, C 2 To detect the capacitance of the 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.
Optionally, the control unit is further configured to determine a face minimum capacitance value and a face maximum capacitance value 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 face capacitance value, μ min And mu max As a correction factor of the oscillating circuit, C 21 Is the forehead skin capacitance value, C 22 Is the capacitance value of cheek skin, C 23 For jaw line skin capacitance, argmin { } is the element that finds the smallest parameter value in a set of sequences, argmax { } is the element that finds the smallest parameter value in a set of sequencesThe element with the largest parameter value.
Optionally, the control unit is further configured to re-determine the face minimum capacitance value and the face maximum capacitance value at set time intervals.
In order to achieve the above purpose, the invention also provides the following scheme:
a household radio frequency beauty treatment equipment comprises a household radio frequency beauty treatment instrument and a self-starting system of the household radio frequency beauty treatment instrument; 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.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the frequency of the oscillating circuit is detected through the detection unit, the capacitance value of the detection object is calculated according to the frequency of the oscillating circuit, when the capacitance value of the detection object is larger than or equal to the minimum capacitance value of the face and smaller than or equal to the maximum capacitance value of the face, namely, when the detection object is identified to be the skin of the face, the radio frequency electrode of the household radio frequency beauty instrument is controlled to start an emission mechanism, a radio frequency signal is emitted to the skin of the face, whether the detection object is the skin of the face is judged through the capacitance value, the accuracy of radio frequency signal emission of the household radio frequency beauty instrument is improved, the radio frequency emission mechanism does not need to be controlled manually, and the working efficiency of the household radio frequency beauty instrument is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic block diagram of a self-starting system of a household radio frequency beauty instrument according to the present invention;
fig. 2 is a flow chart of the use of the household radio frequency beauty equipment;
FIG. 3 is a flow chart of capacitance measurement;
fig. 4 is a flow chart of setting facial skin capacitance intervals.
Description of the symbols:
the device comprises an oscillating circuit-1, a detection unit-2, a frequency detection module-21, a capacitance determination module-22, a calculation module-23, a control unit-3 and a radio frequency electrode-4.
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.
The invention aims to provide a self-starting system of a household radio frequency beauty instrument and household radio frequency beauty equipment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the self-starting system of the household radio frequency beauty instrument of the present invention comprises: an oscillation circuit 1, a detection unit 2, and a control unit 3.
The household radio frequency beauty instrument can be the radio frequency beauty instrument which is available on the market, and comprises a shell, a probe and a radio frequency electrode 4.
The oscillation circuit 1 is arranged inside a casing of the household radio frequency beauty instrument and is contacted with a detection object when in work. In this embodiment, the oscillation circuit is an LC oscillation circuit. The LC oscillating circuit comprises an internal capacitor, an inductor and a memory. Specifically, the LC oscillating circuit is periodically charged and discharged, and the number of cycles is recorded during the charging and discharging process of the LC oscillating circuit, i.e., the circuit frequency can be measured.
The detection unit 2 is disposed inside the casing of the home radio frequency beauty instrument and connected to the oscillation circuit 1, and the detection unit 2 is configured to detect the frequency of the oscillation circuit 1 and calculate the capacitance value of the detection object according to the frequency of the oscillation circuit 1.
The control unit 3 is arranged inside the casing of the household radio frequency beauty instrument and is respectively connected with the detection unit 2 and the radio frequency electrode 4 of the household radio frequency beauty instrument, the control unit 3 is used for generating a control signal for controlling the radio frequency electrode 4 to start an emission mechanism when the capacitance value of the detected object is more than or equal to the minimum capacitance value of the face and less than or equal to the maximum capacitance value of the face, and sending the control signal to the radio frequency electrode 4, and generating a warning signal when the capacitance value of the detected object is less than the minimum capacitance value of the face or more than the maximum capacitance value of the face. The face minimum capacitance value and the face maximum capacitance value are predetermined capacitance values.
On the basis of the induction type starting technology, the oscillating circuit 1 is added, whether a detected object is facial skin or not can be accurately identified, and the battery power loss caused by ineffective transmission of radio frequency energy is effectively avoided.
Specifically, the detection unit 2 includes: a frequency detection module 21, a capacitance determination module 22 and a calculation module 23.
The frequency detection module 21 is connected to the oscillation circuit 1, and the frequency detection module 21 is configured to detect a frequency of the oscillation circuit 1.
The capacitance determining module 22 is connected to the frequency detecting module 21, and the capacitance determining module 22 is configured to determine a capacitance value of the oscillating circuit 1 according to the frequency of the oscillating circuit 1.
Specifically, the capacitance value of the oscillation circuit is determined according to the following formula:
wherein f is 0 L is the inductance of the oscillating circuit, and C is the capacitance of the oscillating circuit. L is a preset fixed parameter.
The calculating module 23 is connected to the capacitance determining module 22 and the control unit 3, respectively, and the calculating module 23 is configured to calculate a capacitance value of the detection object according to the capacitance value of the oscillating circuit 1.
Determining a capacitance value of the detection object according to the following formula:
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.
Further, the control unit 3 is further configured to determine a face minimum capacitance value and a face maximum capacitance value 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 face capacitance value, μ min And mu max As a correction factor of the oscillating circuit, C 21 Is the forehead skin capacitance value, C 22 Is the capacitance value of cheek skin, 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.
Since the capacitance value of facial skin is related to the user's skin, current skin condition, hydration, ambient temperature/humidity, season, etc. Therefore, the facial skin capacitance is a variable quantity that changes with time, place, and user status, and therefore the facial skin capacitance intervals (facial minimum capacitance and facial maximum capacitance) need to be resettable.
In order to further improve the accuracy of the radio frequency signal transmission of the household radio frequency beauty instrument, the control unit 3 is further configured to re-determine the minimum capacitance value and the maximum capacitance value of the face at set time intervals.
In addition, the invention also provides household radio frequency beauty equipment which comprises the household radio frequency beauty instrument and the self-starting system of the household radio frequency beauty instrument. The household radio frequency beauty instrument self-starting system is arranged in the household radio frequency beauty instrument shell and is connected with the radio frequency electrode 4 of the household radio frequency beauty instrument.
In order to better understand the scheme of the invention, the following description is further combined with specific examples.
As shown in fig. 2, 3 and 4, the using process of the household radiofrequency beauty treatment equipment of the invention is as follows:
step 1: the detection object is fully contacted with the probe of the household radio frequency beauty instrument.
Step 2: measuring the frequency of the oscillating circuit and recording the current frequency f 0 。
And 3, step 3: according to the internal capacitance C of the oscillating circuit 1 Calculating the capacitance C of the current detection object 2 。
And 4, step 4: as shown in fig. 4, repeating steps 1-3 on 3 forehead, cheek and mandible lines of the face of the user, and respectively recording the facial skin capacitance of the forehead, cheek and mandible lines of the face of the user as C 21 、 C 22 、C 23 。
And 5, step 5: calculating facial skin capacitance interval [ C ] according to facial skin capacitance of forehead, cheek and mandible line min ，C max ]，C min Minimum capacitance value of face, C max The maximum capacitance value of the face.
And 6, step 6: the facial skin capacitance section is stored in a memory of the oscillation circuit.
And 7, step 7: when the user uses the cosmetic instrument again, the user fully contacts the facial skin with the probe of the household radio frequency cosmetic instrument, the oscillating circuit repeats the steps 2-3, and the capacitance C of the current skin is calculated x 。
And 8, step 8: reading facial skin capacitance interval [ C ] from memory of oscillation circuit min ，C max ]Judging the current skin capacitance C x Whether or not the value of (A) belongs to [ C ] min ，C max ]Within the interval of (a):
if so, judging that the current detection object is the facial skin of the user, and controlling the radio-frequency electrode to transmit a radio-frequency signal to the facial skin;
if not, the current detection object is judged to be the non-user facial skin, the radio frequency non-starting warning tone is generated, and the radio frequency transmitting mechanism is not started to keep the battery power.
Step 9: and in the process of reusing by a user, repeating the steps 7-8 when the probe of the household radio frequency beauty instrument moves one position, namely the oscillation frequency of the oscillation circuit changes once.
Step 10: when the user touches the facial skin and the self-starting system of the household radio frequency beauty instrument emits the radio frequency non-starting warning sound, the user needs to start the oscillating circuit for calibration and reset the facial skin capacitance interval [ C ] min ， C max ]Then the self-starting system of the household radio frequency beauty instrument is used to ensure normal use.
The face of the user comprises a plurality of parts of the forehead, eyes, the periphery of the eyes, cheeks, a nose, the periphery of a mouth and a mandible line, and subcutaneous tissue components and thicknesses of the parts are different, so that skin capacitance of the parts is different. The invention sets the facial skin capacitance interval according to the normal variation range (correction coefficient) of the skin capacitance of the acting objects (forehead, cheek and mandible lines) and each acting object of the household radio frequency beauty instrument, and further improves the accuracy of facial skin judgment.
The facial skin has certain specificity in human skin, and the number of sebaceous glands of the facial skin is about 7 times that of the human skin, so that the water content, the oil output and the hydration state of the facial skin are different from those of the human skin. The difference reaction means that the capacitance of the facial skin is different from that of the skin at other positions in terms of electrical characteristics. Therefore, the invention judges whether the skin is the facial skin or not through the capacitance value and then determines whether the radio frequency electrode is started or not, thereby improving the working efficiency of the household radio frequency beauty instrument.
The self-starting system of the domestic radio frequency beauty instrument does not emit radio frequency energy when the probe of the beauty instrument is not in contact with the skin, thereby effectively reducing the power consumption of the battery, being suitable for the small domestic radio frequency beauty instrument and reducing the beauty cost.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the 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:
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:
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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| CN115282484B (en) * | 2022-08-17 | 2024-07-02 | 云南贝泰妮生物科技集团股份有限公司 | Radio frequency control system of household radio frequency beauty instrument |
| CN115282487B (en) * | 2022-08-17 | 2024-09-13 | 云南贝泰妮生物科技集团股份有限公司 | Folding type radio frequency beauty instrument for eyes and face |
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