A circuit and beauty instrument compatible with moisture detection and RF radio frequency

Abstract

The present invention relates to a circuit and beauty instrument compatible with moisture detection and RF radio frequency, including: an electrode unit in contact with a measured object, a moisture detection circuit for detecting the moisture content of the measured object, an RF radio frequency circuit for outputting an RF radio frequency signal, and a control circuit connected to the moisture detection circuit and the RF radio frequency circuit and outputting a switching signal; and also includes a switch circuit connected to the electrode unit, the moisture detection circuit, the RF radio frequency circuit and the control circuit respectively; the switch circuit switches to the RF radio frequency circuit according to the switching signal, so that the RF radio frequency circuit is connected to the first contact electrode to output the RF radio frequency signal, or switches to the moisture detection circuit according to the switching signal, so that the moisture detection circuit is connected to the first contact electrode and the second contact electrode to detect the moisture content of the measured object. The present invention is compatible with moisture content detection and radio frequency beauty, and can dynamically adjust the radio frequency signal according to the moisture content to obtain a better beauty effect.

Description

Technical Field

[0001] The present invention relates to the technical field of beauty instruments, and more specifically, to a circuit and a beauty instrument compatible with moisture detection and RF radio frequency. Background Art

[0002] A beauty instrument is a machine that adjusts according to the physiological functions of the human body to improve the body and face. It has many functions, including whitening, skin rejuvenation, freckle removal, wrinkle removal, hair removal, and weight loss.

[0003] As people's demand for beauty continues to increase, in order to meet people's beauty needs, there are more and more types of beauty devices. However, the functions of existing beauty devices are relatively single. For example, for a beauty device with a skin rejuvenation function, it can massage the face by generating a certain amount of heat to achieve a skin rejuvenation effect. However, since it can only adjust the heat output by the beauty device, it cannot know the moisture condition of the user's skin, which leads to problems such as excessive dryness of the skin. Therefore, the problem of compatible multi-functional beauty devices has not been effectively solved. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a circuit and a beauty instrument that are compatible with moisture detection and RF radio frequency in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the present invention to solve the technical problem is: construct a circuit compatible with moisture detection and RF radio frequency, including: an electrode unit in contact with the object to be detected, a moisture detection circuit for detecting the moisture content of the object to be detected, an RF radio frequency circuit for outputting an RF radio frequency signal, and a control circuit connected to the moisture detection circuit and the RF radio frequency circuit and outputting a switching signal; and also includes a switch circuit respectively connected to the electrode unit, the moisture detection circuit, the RF radio frequency circuit and the control circuit;

[0006] The switching circuit switches to the RF radio frequency circuit according to the switching signal, so that the RF radio frequency circuit is connected to the electrode unit to output the RF radio frequency signal, or switches to the moisture detection circuit according to the switching signal, so that the moisture detection circuit is connected to the electrode unit to detect the moisture content of the object under test.

[0007] Preferably, the electrode unit comprises a first electrode and a second electrode;

[0008] The switch circuit includes a switching switch;

[0009] The first end and the eighth end of the switching switch are connected to the control circuit, the third end of the switching switch is connected to the first electrode, the sixth end of the switching switch is connected to the second electrode, the second end and the seventh end of the switching switch are connected to the RF radio frequency circuit, and the fourth end and the fifth end of the switching switch are connected to the moisture detection circuit.

[0010] Preferably, the switching switch comprises a relay or a manual two-way switch.

[0011] Preferably, the first electrode comprises one or more first contact electrodes, and the plurality of first contact electrodes are short-circuited;

[0012] The second electrode includes one or more second contact electrodes, and the plurality of second contact electrodes are short-circuited.

[0013] Preferably, the moisture detection circuit comprises a detection signal output branch and a rectification and filtering circuit;

[0014] The first end of the rectifying and filtering circuit is connected to the second electrode, the second end of the rectifying and filtering circuit is connected to the data acquisition end of the control circuit, and the signal output end of the control circuit is connected to the first electrode through the detection signal output branch.

[0015] Preferably, the rectification and filtering circuit comprises: a first capacitor, a second capacitor, a first resistor, a second resistor and a first diode;

[0016] The first end of the second capacitor is connected to the second electrode, the second end of the second capacitor is respectively connected to the first end of the second resistor and the anode of the first diode, the second end of the second resistor, the second end of the first capacitor and the second end of the first resistor are commonly grounded, and the cathode of the first diode is respectively connected to the first end of the first capacitor, the first end of the first resistor and the data acquisition end of the control circuit.

[0017] Preferably, it also includes: a display module connected to the control circuit, and the display module is used to display the moisture content of the object detected by the moisture detection circuit and the RF signal output by the RF circuit.

[0018] Preferably, it also includes: a mode selection button connected to the control circuit and generating a mode selection signal according to the trigger signal.

[0019] Preferably, it also includes: an indication device connected to the control circuit and outputting an indication signal according to the switching signal.

[0020] The present invention also provides a beauty instrument, comprising the above-mentioned circuit compatible with moisture detection and RF radio frequency.

[0021] The implementation of the moisture detection and RF compatible circuit of the present invention has the following beneficial effects: by setting up the moisture detection circuit, the RF radio frequency beauty function of the user's skin can be realized, and at the same time, the skin moisture content detection function can be compatible, and the moisture condition of the user's skin can be dynamically known, and then the RF radio frequency signal output by the RF radio frequency circuit can be dynamically adjusted according to the moisture condition of the user's skin, so as to better achieve the beauty effect and enhance the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0023] Figure 1 It is a principle block diagram of a circuit compatible with moisture detection and RF radio frequency provided by an embodiment of the present invention;

[0024] Figure 2 It is a schematic diagram of a circuit compatible with moisture detection and RF radio frequency provided by another embodiment of the present invention;

[0025] Figure 3 is a schematic diagram of a moisture detection circuit provided by an embodiment of the present invention;

[0026] Figure 4 is a schematic diagram of an RF radio frequency circuit provided by an embodiment of the present invention;

[0027] Figure 5 is a schematic structural diagram of a first embodiment of an electrode unit of the present invention;

[0028] Figure 6 is a schematic structural diagram of a second embodiment of an electrode unit of the present invention;

[0029] Figure 7 It is a schematic structural diagram of the third embodiment of the electrode unit of the present invention. DETAILED DESCRIPTION

[0030] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, a detailed description is now given with reference to the accompanying drawings.

[0031] refer to Figure 1 , is a principle block diagram of a circuit compatible with moisture detection and RF radio frequency provided by an embodiment of the present invention. The circuit compatible with moisture detection and RF radio frequency has RF radio frequency beauty function, and is also compatible with the function of moisture content detection, and can be applied to various forms of beauty instruments.

[0032] like Figure 1As shown, the circuit compatible with moisture detection and RF radio frequency includes: an electrode unit 10 in contact with the object to be measured, a moisture detection circuit 40 for detecting the moisture content of the object to be measured, an RF radio frequency circuit 30 for outputting an RF radio frequency signal, and a control circuit 50 connected to the moisture detection circuit 40 and the RF radio frequency circuit 30 and outputting a switching signal; and also includes a switch circuit 20 connected to the electrode unit 10, the moisture detection circuit 40, the RF radio frequency circuit 30 and the control circuit 50 respectively; wherein the switch circuit 20 switches to the RF radio frequency circuit 30 according to the switching signal, so that the RF radio frequency circuit 30 is connected to the electrode unit 10 to output the RF radio frequency signal, or switches to the moisture detection circuit 40 according to the switching signal, so that the moisture detection circuit 40 is connected to the electrode unit 10 to detect the moisture content of the object to be measured.

[0033] In the embodiment of the present invention, the object to be measured generally refers to the human body. During the process, the electrode unit 10 can contact the skin of the human body. When the switch circuit 20 switches to the RF circuit 30 according to the switching signal, the electrode unit 10 outputs the RF signal as an output electrode, thereby realizing the beauty massage function for the human body, wherein the RF signal can make the electrode unit 10 generate corresponding heat, so as to regulate the movement of cells in the human skin through the generated heat, such as accelerating the movement of cells, thereby improving the metabolism of the human skin and achieving the beauty effect. When the switch circuit 20 switches to the moisture detection circuit 40 according to the switching signal, the electrode unit 10 is used as a detection electrode to detect the moisture content of the human skin, and returns the detected moisture content to the control circuit 50. The control circuit 50 can output the switching signal to the switch circuit 20 again according to the detected moisture content so that the switch circuit 20 switches from the moisture detection circuit 40 to the RF circuit 30, and at the same time output the control signal to the RF circuit 30 to adjust the RF signal output by the RF circuit 30 to adjust the heat generated by the electrode, so as to achieve the purpose of dynamically regulating the movement of cells in the human skin according to the actual moisture content of the human skin, thereby obtaining a better beauty effect. It should be noted that when the switch circuit 20 is switched to the RF circuit 30 and the RF circuit 30 is connected to the electrode unit 10, the moisture detection circuit 40 and the electrode unit 10 are in a disconnected state and are physically disconnected, thereby avoiding false triggering; similarly, when the switch circuit 20 is switched to the moisture detection circuit 40 and the moisture detection circuit 40 is connected to the electrode unit 10, the RF circuit 30 and the moisture detection circuit 40 are in a disconnected state and are physically disconnected, thereby avoiding the RF signal output by the RF circuit 30 from being fed back to the moisture detection circuit 40, affecting the detection precision and accuracy.

[0034] Optionally, in an embodiment of the present invention, the electrode unit 10 includes a first electrode 11 and a second electrode 12 , wherein the first electrode 11 and the second electrode 12 are respectively and independently connected to the switch circuit 20 .

[0035] Further, in the embodiment of the present invention, the first electrode 11 may be one or more contact electrodes. Specifically, the first electrode 11 may include one or more first contact electrodes. When the first electrode 11 is a plurality of first contact electrodes, the plurality of first contact electrodes are short-circuited, that is, the plurality of first contact electrodes are short-circuited together to form one contact electrode.

[0036] It can be understood that in the embodiment of the present invention, the shape of the first contact electrode includes but is not limited to a dot, a ring, a strip, a rectangle, a circle, etc.

[0037] Similarly, in the embodiment of the present invention, the second electrode 12 may be one or more contact electrodes. Specifically, the second electrode 12 may include one or more second contact electrodes. When the second electrode 12 is a plurality of first contact electrodes, the plurality of second contact electrodes are short-circuited, that is, the plurality of second contact electrodes are short-circuited together to form one contact electrode.

[0038] It can be understood that in the embodiment of the present invention, the shape of the second contact electrode includes but is not limited to a dot, a ring, a strip, a rectangle, a circle, etc.

[0039] In a specific embodiment, the switching circuit 20 includes a switching switch; wherein the first end and the eighth end of the switching switch are connected to the control circuit 50, the third end of the switching switch is connected to the first electrode 11, the sixth end of the switching switch is connected to the second electrode 12, the second end and the seventh end of the switching switch are connected to the RF radio frequency circuit 30, and the fourth end and the fifth end of the switching switch are connected to the moisture detection circuit 40.

[0040] Optionally, the switching switch in the embodiment of the present invention includes a relay or a manual two-way switch.

[0041] like Figure 2 As shown, in this embodiment, the switching switch is a relay. Figure 2 As shown, the first end and the eighth end of the relay are connected to the control circuit 50, the third end of the relay is connected to the first electrode 11, the sixth end of the relay is connected to the second electrode 12, the second end and the seventh end of the relay are connected to the RF circuit 30, and the fourth end and the fifth end of the relay are connected to the moisture detection circuit 40. It can be understood that when the switch circuit 20 uses a relay, automatic triggering and switching can be achieved.

[0042] Furthermore, the relays used in the present invention may be one or more, Figure 2 A relay is used as an example only and is not intended to limit the present invention.

[0043] Alternatively, in some other embodiments, the switching circuit 20 can also be implemented by a manual bidirectional switch. During use, when the user manually switches the manual bidirectional switch to the RF circuit 30, the RF circuit 30 is connected to the first electrode 11 and the second electrode 12 to realize the RF beauty function; when the user manually switches the manual bidirectional switch to the moisture detection circuit 40, the moisture detection circuit 40 is connected to the first electrode 11 and the second electrode 12 to realize the moisture content detection function.

[0044] In the embodiment of the present invention, the moisture detection circuit 40 may include a detection signal output branch 42 and a rectification and filtering circuit 41 .

[0045] A first end of the rectifying and filtering circuit 41 is connected to the second electrode 12 , a second end of the rectifying and filtering circuit 41 is connected to a data acquisition end of the control circuit 50 , and a signal output end of the control circuit 50 is connected to the first electrode 11 via a detection signal output branch 42 .

[0046] Optional, such as Figure 3 As shown, in a specific embodiment, the rectification and filtering circuit 41 includes: a first capacitor, a second capacitor, a first resistor, a second resistor and a first diode.

[0047] The first end of the second capacitor is connected to the second electrode 12, the second end of the second capacitor is respectively connected to the first end of the second resistor and the anode of the first diode, the second end of the second resistor, the second end of the first capacitor and the second end of the first resistor are grounded, and the cathode of the first diode is respectively connected to the first end of the first capacitor, the first end of the first resistor and the data acquisition end of the control circuit 50. Of course, it can be understood that in some other embodiments, the rectifier and filter circuit 41 can also adopt other circuit forms, and is not limited to the form of this embodiment.

[0048] Furthermore, if Figure 3 As shown, the circuit compatible with moisture detection and RF radio frequency of an embodiment of the present invention may also include: a display module 60 connected to the control circuit 50, and the display module 60 is used to display the moisture content of the object under test detected by the moisture detection circuit 40 and the RF radio frequency signal output by the RF radio frequency circuit 30.

[0049] The display module 60 can be used to display the moisture content of the user's skin and the RF signal, so that the user can intuitively view his or her own moisture content and the RF signal output by the RF circuit 30, thereby improving the user experience.

[0050] Optionally, the display module 60 of the embodiment of the present invention may include a display screen, wherein the display screen may be a touch display screen or a non-touch display screen. Further, in the embodiment of the present invention, it may include but is not limited to an LCD display screen, a TFT-LCD display screen, an LED display screen, a PMOLED display screen, an AMOLED display screen, etc.

[0051] Furthermore, the circuit compatible with moisture detection and RF radio frequency of the embodiment of the present invention may also include: a mode selection button connected to the control circuit 50 and generating a mode selection signal according to the trigger signal.

[0052] Optionally, the mode selection button may include at least one. In a specific embodiment, the mode selection button includes one, and the specific trigger operation can be achieved by: the user long presses, short presses, continuous short presses, etc. to achieve the selection of different modes. For example, when RF radio frequency beauty is required, a switching trigger signal can be generated by long pressing the mode selection button, and the control circuit 50 outputs a switching signal to the switch circuit 20 according to the switching trigger signal, and switches the switch circuit 20 to the RF radio frequency circuit 30, so that the RF radio frequency circuit 30 is connected to the first electrode 11 and the second electrode 12; when the moisture content detection amount is required, a switching trigger signal can be generated by short pressing the mode selection button, and the control circuit 50 outputs a switching signal to the switch circuit 20 according to the switching trigger signal, and switches the switch circuit 20 to the moisture detection circuit 40, so that the moisture detection circuit 40 is connected to the first electrode 11 and the second electrode 12.

[0053] Furthermore, the circuit compatible with moisture detection and RF radio frequency in the embodiment of the present invention may also include: an indication device connected to the control circuit 50 and outputting an indication signal according to the switching signal. Here, the indication signal output by the indication device can be used to indicate which circuit the first electrode 11 and the second electrode 12 are connected to, such as indicating that the first electrode 11 and the second electrode 12 are connected to the RF radio frequency circuit 30 or indicating that the first electrode 11 and the second electrode 12 are connected to the moisture detection circuit 40, and can also be used to indicate the mode of RF radio frequency beauty, such as strong radio frequency beauty mode, medium radio frequency beauty mode, soft radio frequency beauty mode, etc.

[0054] Optionally, the indicating device may be an indicator light, wherein the number of the indicator lights may be one or more, and the colors of the indicator lights include but are not limited to white, red, blue, green, pink, etc.

[0055] In the embodiment of the present invention, the control circuit 50 may include an MCU, wherein the MCU may be implemented by a PIC microcontroller. Of course, it is understandable that in some other embodiments, the MCU may also be implemented by other processors with the same functions, which is not specifically limited by the present invention.

[0056] like Figure 4As shown, in the embodiment of the present invention, the RF radio frequency circuit 30 may include: a radio frequency signal amplifying circuit 31, a high frequency signal generating circuit 32 and an output feedback circuit 33. One end of the high frequency signal generating circuit 32 is connected to the switch control end of the MCU in the control circuit 50, the other end of the high frequency signal generating circuit 32 is connected to the first end of the radio frequency signal amplifying circuit 31, one end of the output feedback circuit 33 is connected to the output detection end of the MCU in the control circuit 50, the other end of the output feedback circuit 33 is connected to the third end of the radio frequency signal amplifying circuit 31, the second end of the radio frequency signal amplifying circuit 31 is connected to the power level control end of the MCU in the control circuit 50, the fourth end of the radio frequency signal amplifying circuit 31 is connected to the first electrode 11, and the fifth end of the radio frequency signal amplifying circuit 31 is connected to the second electrode 12.

[0057] In the RF radio frequency circuit 30, the high-frequency signal generating circuit 32 can generate a low-voltage high-frequency signal, and the radio frequency signal amplifying circuit 31 amplifies the low-voltage high-frequency signal generated by the high-frequency signal generating circuit 32 into a high-voltage radio frequency signal. The output feedback circuit 33 detects whether the output current of the radio frequency signal amplifying circuit 31 is within a reasonable range (the reasonable range can be preset and determined according to the performance design of the product). If the current is too large, it is fed back to the radio frequency signal amplifying circuit 31 to reduce the output power of the radio frequency signal amplifying circuit 31, thereby protecting the user. Of course, it can be understood that the specific values ​​of the frequency, low voltage, and high voltage output by the RF radio frequency circuit 30 need to be determined according to different products, and the present invention does not make specific limitations.

[0058] The present invention further discloses a beauty instrument, which includes a beauty head 100 and the aforementioned moisture detection and RF radio frequency compatible circuit.

[0059] The electrode unit 10 is disposed on the beauty head 100 and exposed outside the beauty head 100 , so that the electrode unit 10 can directly contact the human skin when the user uses the beauty head 100 .

[0060] In the embodiment of the present invention, the electrode unit 10 includes a first electrode 11 and a second electrode 12 , wherein the first electrode 11 and the second electrode 12 are independently connected to the switch circuit 20 .

[0061] Further, in the embodiment of the present invention, the first electrode 11 may be one or more contact electrodes. Specifically, the first electrode 11 may include one or more first contact electrodes. When the first electrode 11 is a plurality of first contact electrodes, the plurality of first contact electrodes are short-circuited, that is, the plurality of first contact electrodes are short-circuited together to form one contact electrode.

[0062] It can be understood that in the embodiment of the present invention, the shape of the first contact electrode includes but is not limited to a dot, a ring, a strip, a rectangle, a circle, etc.

[0063] Similarly, in the embodiment of the present invention, the second electrode 12 may be one or more contact electrodes. Specifically, the second electrode 12 may include one or more second contact electrodes. When the second electrode 12 is a plurality of first contact electrodes, the plurality of second contact electrodes are short-circuited, that is, the plurality of second contact electrodes are short-circuited together to form one contact electrode.

[0064] It can be understood that in the embodiment of the present invention, the shape of the second contact electrode includes but is not limited to a dot, a ring, a strip, a rectangle, a circle, etc.

[0065] This is illustrated with a few examples.

[0066] like Figure 5 As shown, Figure 5 In the embodiment, the first electrode 11 and the second electrode 12 are both arranged on the beauty head 100. Figure 5 As shown, the first electrode 11 and the second electrode 12 are both integral circular ring electrodes.

[0067] Or, in another embodiment, Figure 6 As shown, similarly, Figure 6 In the embodiment, the first electrode 11 and the second electrode 12 are both arranged on the beauty head 100, and as shown in FIG. Figure 6 As shown, the first electrode 11 includes four first contact electrodes, wherein the four first contact electrodes are physically separated and are short-circuited together in circuit to form one contact electrode. The second electrode 12 includes a circular ring electrode.

[0068] Or, in another embodiment, Figure 7 As shown, similarly, Figure 7 In the embodiment, the first electrode 11 and the second electrode 12 are both arranged on the beauty head 100, and as shown in FIG. Figure 7 As shown, the first electrode 11 includes four first contact electrodes, wherein the four first contact electrodes are physically separated and short-circuited together in circuit to form one contact electrode. The second electrode 12 includes four second contact electrodes, wherein the four second contact electrodes are physically separated and short-circuited together in circuit to form one contact electrode.

[0069] The beauty instrument of the present invention can realize the function of RF beauty treatment on the user's skin by setting the aforementioned circuit compatible with moisture detection and RF radio frequency, and can also be compatible with the function of skin moisture content detection. It can dynamically know the moisture condition of the user and dynamically adjust the RF radio frequency signal output by the RF radio frequency circuit 30 according to the moisture condition of the user's skin, so as to achieve better beauty effect, so that the beauty instrument has both RF radio frequency beauty and moisture detection functions, and enhances the user experience.

[0070] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot limit the scope of protection of the present invention. All equivalent changes and modifications made to the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

[0071] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A circuit compatible with moisture detection and RF radio frequency, characterized in that: include: An electrode unit in contact with the object to be measured, a moisture detection circuit for detecting the moisture content of the object to be measured, an RF circuit for outputting an RF signal, and a control circuit connected to the moisture detection circuit and the RF circuit and outputting a switching signal; and also includes a switch circuit respectively connected to the electrode unit, the moisture detection circuit, the RF circuit and the control circuit; The switch circuit switches to the RF circuit according to the switching signal, so that the RF circuit is connected to the electrode unit to output the RF signal, or switches to the moisture detection circuit according to the switching signal, so that the moisture detection circuit is connected to the electrode unit to detect the moisture content of the object to be detected; The control circuit outputs the switching signal to the switch circuit according to the detected moisture content so that the switch circuit switches from the moisture detection circuit to the RF circuit, and at the same time outputs a control signal to the RF circuit to adjust the RF signal output by the RF circuit to adjust the heat generated by the electrode; The electrode unit includes a first electrode and a second electrode; the switch circuit includes a switch; the first end and the eighth end of the switch are connected to the control circuit, the third end of the switch is connected to the first electrode, the sixth end of the switch is connected to the second electrode, the second end and the seventh end of the switch are connected to the RF circuit, and the fourth end and the fifth end of the switch are connected to the moisture detection circuit; The moisture detection circuit comprises a detection signal output branch and a rectifier and filter circuit; The first end of the rectifying and filtering circuit is connected to the second electrode, the second end of the rectifying and filtering circuit is connected to the data acquisition end of the control circuit, and the signal output end of the control circuit is connected to the first electrode through the detection signal output branch.

2. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: The switching switch includes a relay or a manual two-way switch.

3. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: The first electrode comprises one or more first contact electrodes, and the plurality of first contact electrodes are short-circuited; The second electrode includes one or more second contact electrodes, and the plurality of second contact electrodes are short-circuited.

4. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: The rectification and filtering circuit comprises: a first capacitor, a second capacitor, a first resistor, a second resistor and a first diode; The first end of the second capacitor is connected to the second electrode, the second end of the second capacitor is respectively connected to the first end of the second resistor and the anode of the first diode, the second end of the second resistor, the second end of the first capacitor and the second end of the first resistor are commonly grounded, and the cathode of the first diode is respectively connected to the first end of the first capacitor, the first end of the first resistor and the data acquisition end of the control circuit.

5. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: Also includes: A display module connected to the control circuit, the display module is used to display the moisture content of the object detected by the moisture detection circuit and the RF signal output by the RF circuit.

6. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: Also includes: A mode selection button is connected to the control circuit and generates a mode selection signal according to a trigger signal.

7. The circuit compatible with moisture detection and RF radio frequency according to claim 1, characterized in that: Also includes: An indication device is connected to the control circuit and outputs an indication signal according to the switching signal.

8. A beauty instrument, characterized in that: The invention comprises a circuit compatible with moisture detection and RF radio frequency as described in any one of claims 1 to 7.

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