CN213491527U - Little electric current generating device and beauty instrument of beauty instrument - Google Patents
Little electric current generating device and beauty instrument of beauty instrument Download PDFInfo
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- CN213491527U CN213491527U CN202022112602.XU CN202022112602U CN213491527U CN 213491527 U CN213491527 U CN 213491527U CN 202022112602 U CN202022112602 U CN 202022112602U CN 213491527 U CN213491527 U CN 213491527U
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Abstract
The utility model provides a little current generating device and beauty instrument of beauty instrument relates to beauty apparatus's technical field, and this beauty instrument's little current generating device includes: the device comprises a controller, a voltage preparation circuit and a current generation circuit, wherein the voltage preparation circuit and the current generation circuit are connected with the controller; the voltage preparation circuit is used for receiving a first pulse control signal sent by the controller and transmitting a discharge voltage signal to the current generation circuit according to the first pulse control signal; the current generating circuit includes a discharge cell and a contact electrode connected to the discharge cell, which are fitted to each other. The utility model provides a little current generating device and beauty instrument of beauty instrument can realize the power supply of little current and the effective control of output through first pulse control signal and the second pulse control signal that receiving controller sent, and then makes the stimulation of little current reach cosmetic effect to improve user's experience degree.
Description
Technical Field
The utility model relates to the technical field of cosmetic instruments, especially, relate to a little current generating device and cosmetic instrument of cosmetic instrument.
Background
With the development of society, the beauty industry has a rapid progress, a plurality of beauty devices with different working principles appear on the market nowadays, and a micro-current beauty instrument is a common beauty device; the main function is to apply weak current to stimulate muscles and lymph, contract muscles, and achieve the effects of removing edema, lifting and tightening.
Therefore, micro-current cosmetic instruments have surpassed and replaced other technologies entirely in many respects. However, in the use process of the micro-current beauty instrument, the generated micro-current is difficult to control, so that the stimulation effect of the micro-current is difficult to achieve the beauty effect, and the user experience is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a micro-current generating device for a cosmetic apparatus and a cosmetic apparatus, so as to alleviate the above technical problems.
In a first aspect, an embodiment of the present invention provides a micro-current generating device of a cosmetic instrument, including: the device comprises a controller, and a voltage preparation circuit and a current generation circuit which are connected with the controller, wherein the voltage preparation circuit is also connected with the current generation circuit; the voltage preparation circuit is used for receiving a first pulse control signal sent by the controller and transmitting a discharge voltage signal to the current generation circuit according to the first pulse control signal; the current generating circuit comprises a discharge unit and a contact electrode, wherein the discharge unit is matched with the contact electrode; the discharge unit is used for receiving a second pulse control signal sent by the controller, switching on a discharge loop of the contact electrode, transmitting the discharge voltage signal to the contact electrode, and discharging to the skin of a target area.
Preferably, in a possible embodiment, the voltage preparation circuit comprises a voltage converter including an input terminal, an output terminal and a control terminal; the input end is connected with a power supply of the beauty instrument, the output end is connected with the current generating circuit, and the control end is connected with the controller.
Preferably, in a possible embodiment, the discharge unit includes a switch circuit, the switch circuit is connected to the controller and is disposed on a discharge loop of the contact electrode; the switch circuit is used for receiving the second pulse control signal and changing the conducting state of the switch circuit according to the second pulse control signal so as to switch on the discharge loop of the contact electrode.
Preferably, in a possible embodiment, the voltage converter comprises an energy storage inductor and an electronic switch; one end of the energy storage inductor is connected with a power supply of the beauty instrument, and the other end of the energy storage inductor is connected with the current generation circuit; the control end of the electronic switch is connected with the controller, and the output end of the electronic switch is connected with the other end of the energy storage inductor.
Preferably, in a possible implementation, the voltage preparation circuit further includes an anti-reverse diode disposed at an output terminal of the voltage converter; and the anode of the anti-reverse diode is connected with the other end of the energy storage inductor, and the cathode of the anti-reverse diode is connected with the output end of the voltage converter.
Preferably, in a possible implementation, the voltage preparation circuit further includes an energy storage capacitor; one end of the energy storage capacitor is connected to the other end of the energy storage inductor, and the other end of the energy storage capacitor is grounded.
Preferably, in one possible embodiment, the discharge unit includes a first discharge unit and a second discharge unit; the output ends of the first discharge unit and the second discharge unit are connected with respective contact electrodes, and the contact electrodes are connected through isolation resistors; the first discharge unit and the second discharge unit each include the switching circuit; the controller is configured to send the second pulse control signal to the first discharge unit and the second discharge unit at the same time, and the second pulse control signal of the first discharge unit is opposite to the second pulse control signal of the second discharge unit in electrical property.
Preferably, in a possible embodiment, the switching circuit is provided with a pulse input interface, a voltage input interface and an output interface; the output interface is connected with the contact electrode; the pulse input interface is connected with the controller and used for receiving the second pulse control signal; the voltage input interface is connected with the voltage preparation circuit and used for receiving the discharge voltage signal.
Preferably, in one possible implementation, the switching circuit includes a pulse input switching circuit, a voltage input switching circuit, and an output switching circuit; the control end of the pulse input switch circuit is connected with the pulse input interface, the output end of the pulse input switch circuit is connected with the control end of the voltage input switch circuit, and the control end of the output switch circuit is connected; the input end of the voltage input switch circuit is connected with the voltage input interface, and the output end of the voltage input switch circuit is connected with the output interface; the output end of the output switch circuit is also connected with the output interface.
In a second aspect, the present invention further provides a cosmetic apparatus, wherein the cosmetic apparatus is provided with the micro-current generating device of the cosmetic apparatus of the first aspect.
The embodiment of the utility model provides a following beneficial effect has been brought:
the embodiment of the utility model provides a little current generator and beauty instrument of beauty instrument, its voltage preparation circuit can receive the first pulse control signal that the controller sent to carry the discharge voltage signal to current generation circuit according to this first pulse control signal, and current generation circuit's the discharge unit can be according to the second pulse control signal switch-on contact electrode's that the controller sent discharge circuit, and then make the discharge voltage signal carry to contact electrode, and implement to discharge to the skin of target area. The whole discharging process can receive the first pulse control signal and the second pulse control signal sent by the controller through the voltage preparation circuit and the current generation circuit which are connected with the controller, so that the power supply and the effective control of the output end of the micro-current are realized, and further the stimulation effect of the micro-current reaches the beautifying effect, so that the experience degree of a user is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a micro-current generating device of a beauty instrument according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a micro-current generating device of another cosmetic instrument according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a voltage preparing circuit according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a current generating circuit according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The micro-current beauty instrument is a beauty instrument realized by micro-current, namely EMS current (electronic muscle stimulation) technology, and mainly applies weak current to stimulate muscles and lymph to contract the muscles so as to achieve the effects of removing edema, lifting and tightening. However, the existing micro-current beauty instrument has poor control effect on the generated micro-current, and reduces the beauty effect to a certain extent.
Based on this, the embodiment of the utility model provides a little current generating device and beauty instrument of beauty instrument can effectively alleviate above-mentioned technical problem.
To facilitate understanding of the present embodiment, a micro-current generating device of a beauty instrument disclosed in the embodiments of the present invention will be described in detail.
In a possible embodiment, the present invention provides a micro-current generating device of a beauty instrument, such as the schematic structural diagram of the micro-current generating device of the beauty instrument shown in fig. 1, including: the controller 10, and the voltage preparation circuit 20 and the current generation circuit 30 connected with the controller 10, wherein the voltage preparation circuit 20 is further connected with the current generation circuit 30.
The voltage preparation circuit 20 is configured to receive the first pulse control signal sent by the controller, and to send a discharge voltage signal to the current generation circuit 30 according to the first pulse control signal.
The current generating circuit 30 includes a discharge unit 301 and a contact electrode 302 connected to the discharge unit 301; the discharge unit is used for receiving the second pulse control signal sent by the controller, switching on a discharge loop of the contact electrode according to the second pulse control signal, transmitting a discharge voltage signal to the contact electrode, and discharging to the skin of the target area.
In specific implementation, the discharge units 301 matched with each other include at least two discharge units, the controller can change the conduction state of each discharge unit by sending a second pulse control signal, and then the corresponding contact electrode is connected to control micro-current, and the connected contact electrode forms a discharge loop with the skin to discharge, so that the muscle and lymph of the skin in a target area are discharged and stimulated, and the effects of muscle contraction, edema removal, lifting and tightening are achieved, and the purpose of beautifying is achieved.
The embodiment of the utility model provides a little current generating device of beauty instrument, its voltage preparation circuit can receive the first pulse control signal that the controller sent to carry the discharge voltage signal to current generation circuit according to this first pulse control signal, and current generation circuit's the discharge unit can be according to the second pulse control signal that the controller sent with the discharge circuit of switch-on contact electrode, and then make the discharge voltage signal carry to contact electrode, and implement to discharge to the skin of target area. The whole discharging process can receive the first pulse control signal and the second pulse control signal sent by the controller through the voltage preparation circuit and the current generation circuit which are connected with the controller, so that the power supply and the effective control of the output end of the micro-current are realized, and further the stimulation effect of the micro-current reaches the beautifying effect, so that the experience degree of a user is improved.
In actual use, the voltage preparation circuit is usually connected to a power supply of the beauty instrument to obtain a voltage signal of the power supply, and in order to discharge the contact electrode, the voltage preparation circuit is usually required to boost the obtained voltage signal to meet the discharge requirement of the contact electrode. Therefore, the voltage preparation circuit further comprises a voltage changer so as to perform boosting processing on the voltage signal input by the power supply.
For the convenience of understanding, fig. 2 shows a schematic structural diagram of a micro-current generating device of another cosmetic instrument on the basis of fig. 1, and the voltage preparing circuit and the current generating circuit are further described.
Specifically, as shown in fig. 2, the voltage preparation circuit 20 includes a voltage converter 201, the voltage converter 201 including an input terminal, an output terminal, and a control terminal; wherein, the input end is connected with a power supply (not shown in fig. 2) of the beauty instrument and is used for acquiring a voltage signal of the power supply; the output terminal is connected to the current generating circuit 30, and the control terminal is connected to the controller 10.
Wherein, in the embodiment of the utility model provides an in, voltage converter is boost converter, and the first pulse control signal that controller 10 sent is received through above-mentioned control end to voltage preparation circuit, triggers this voltage converter 201 and steps up the processing according to the signal of telecommunication of first pulse control signal input to the signal of telecommunication after will stepping up the processing is as the discharge voltage signal, and carries this discharge voltage signal to current generation circuit through the output.
Further, as shown in fig. 2, the discharge unit in the current generation circuit 30 includes a switching circuit 303, the switching circuit 303 is connected to the controller, and is disposed on the discharge loop of the contact electrode 302;
specifically, the switch circuit 303 is configured to receive the second pulse control signal sent by the controller 10, change the conducting state of the switch circuit 303 according to the second pulse control signal, so as to turn on the discharge circuit of the contact electrode, transmit the discharge voltage signal to the contact electrode 302, and perform discharge to the skin of the target area.
In actual use, the power supply of the beauty instrument connected to the input end of the voltage converter is usually a low-voltage power supply of 5V to 12V, and the voltage preparation circuit performs a voltage-boosting preparation process on the low-voltage power supply through the voltage converter so as to meet the power supply requirement of a micro current. Specifically, fig. 3 shows a schematic circuit diagram of a voltage preparation circuit, and as shown in fig. 3, the voltage converter includes an energy storage inductor L1 and an electronic switch;
specifically, one end of the energy storage inductor L1 is connected to a power supply of the beauty instrument, and the other end of the energy storage inductor L1 is connected to the current generation circuit, wherein the end of the energy storage inductor L1 connected to the power supply of the beauty instrument is usually an input end of the voltage converter, and the other end of the energy storage inductor L1 connected to the current generation circuit is usually an output end of the voltage converter; the VCC _ EMS _ impet _ BAT in fig. 3 is a power supply of the beauty instrument, and the power supply is taken as a battery power supply in fig. 3 for example.
In fig. 3, the control terminal of the electronic switch is connected to the controller, and the output terminal of the electronic switch is connected to the other terminal of the energy storage inductor.
In fig. 3, the electronic switch is taken as an example of a triode, specifically, the electronic switch is an NPN-type triode Q1, a base of the NPN-type triode Q1 corresponds to a control terminal of the electronic switch, i.e., a C _ EMS terminal in fig. 3, and is connected to the controller through a resistor R1, an emitter of the triode Q1 is grounded, and a collector of the NPN-type triode Q1 is connected to the other end of the energy storage inductor L1.
Further, as shown in fig. 3, the voltage preparation circuit further includes an anti-blocking diode provided at the output terminal of the voltage converter; namely, the anti-reverse diode D1 in fig. 3, the anode of the anti-reverse diode D1 is connected to the other end of the energy storage inductor L1, and the cathode of the anti-reverse diode D1 is connected to the output terminal of the voltage converter.
Based on the voltage preparation circuit shown in fig. 3, the control terminal C _ EMS of the electronic switch receives the first pulse control signal sent by the controller, performs PWM control, and boosts the voltage VCC _ EMS _ impet _ BAT of the power supply, for example, 5V to 12V to DC60V, and the like, and the capacitors C1 and C2 connected in parallel in fig. 3 mainly function as filtering, the energy storage inductor L1 performs energy storage boosting, and the anti-back-striking diode D1 prevents voltage back-striking and follow current.
Further, the voltage preparation circuit in fig. 3 further includes an energy storage capacitor C3; one end of the energy storage capacitor C3 is connected to the other end of the energy storage inductor, and the other end of the energy storage capacitor C3 is grounded. The energy storage capacitor C3 also functions as an energy storage, the transistor Q1 functions as an electronic switch, and the resistor R1 at the base thereof is used for current limiting.
Generally, the controller can output a first pulse control signal of 10HZ 5% -95% to the control terminal C _ EMS of the voltage converter, so as to control the conductor and cut-off of the electronic switch. When the C _ EMS is at a high level, the transistor Q1 is turned on, the L1 stores energy through the loop Q1, when the C _ EMS is at a low level, the Q1 is turned off, the energy stored in the energy storage inductor L1 is superposed on the power supply voltage to complete the boosting action, the low-voltage power supply is boosted to a high voltage to form a discharge voltage signal, such as the discharge voltage signal VCC _ EMS of the DC60V, and then the energy storage capacitor C3 is charged through the anti-back-striking diode D1 and discharged to the load, that is, transmitted to the contact electrode of the current generation circuit.
Furthermore, the discharge units matched with each other in the current generation circuit in the embodiment of the present invention include a first discharge unit and a second discharge unit; for ease of understanding, fig. 4 shows a schematic circuit diagram of a current generation circuit, and the circuit shown by the dotted line in fig. 4 is a matched discharge unit, and it is assumed that the upper branch is a first discharge unit and the lower branch is a second discharge unit.
Specifically, the output terminals of the first discharge cell and the second discharge cell are connected with respective contact electrodes, such as contact electrodes P1 and P2 shown in fig. 4, and the contact electrodes are connected through an isolation resistor R6; in the embodiment of two discharge cells shown in fig. 4, there are usually two contact electrodes, and the two contact electrodes are disposed oppositely on the skin-contacting side of the hair removal device, such as left-right opposite arrangement, and so on, and therefore the contact electrodes shown in fig. 4 include a left contact electrode P1 and a right contact electrode P2.
Further, in fig. 4, the first discharge unit and the second discharge unit each include a switching circuit; the controller is configured to send a second pulse control signal to the first discharge unit and the second discharge unit simultaneously, and the second pulse control signal of the first discharge unit and the second pulse control signal of the second discharge unit have opposite electrical properties. For example, when the second pulse control signal of the first discharge unit is at a high level, the second pulse control signal of the second discharge unit is at a low level, and when the second pulse control signal of the first discharge unit is at a low level, the second pulse control signal of the second discharge unit is at a high level, specifically, the pulse control signals of the first discharge unit and the second discharge unit can be opposite electrically by setting the sending time of the pulse control signals of the two units on the controller, such as sending the two second pulse control signals with a half-cycle delay, and the like.
Further, the switch circuit is provided with a pulse input interface, a voltage input interface and an output interface; wherein, the output interface is connected with the contact electrode; the pulse input interface is connected with the controller and used for receiving the second pulse control signal; the voltage input interface is connected with the voltage preparation circuit and used for receiving the discharge voltage signal.
For convenience of understanding, the switching circuit of one of the discharge units shown in fig. 4 is taken as an example for description, for example, the switching circuit of the first discharge unit is taken as an example, the switching circuit of the second discharge unit is taken as the same switching circuit as the first discharge unit, as shown in fig. 4, the C _ EMS _ LEFT interface indicates that the pulse input interface is connected to the controller, the one end corresponding to VCC _ EMC is a voltage input interface, the voltage preparation circuit is connected to acquire the discharge voltage signal output by the voltage preparation circuit, and the interface corresponding to the pol _ LEFT connected to P1 is an output interface and is connected to the contact electrode P1.
Further, in fig. 4, the switching circuit includes a pulse input switching circuit, a voltage input switching circuit, and an output switching circuit; the control end of the pulse input switching circuit is connected with the pulse input interface, the output end of the pulse input switching circuit is connected with the control end of the voltage input switching circuit, and the control end of the output switching circuit is connected with the control end of the voltage input switching circuit; the input end of the voltage input switching circuit is connected with the voltage input interface, and the output end of the voltage input switching circuit is connected with the output interface; the output end of the output switch circuit is also connected with the output interface.
Specifically, in the embodiment of the utility model provides an in, above-mentioned pulse input switch circuit, voltage input switch circuit and output switch circuit are triode switch circuit, just, as shown in fig. 4, pulse input switch circuit and output switch circuit are the triode switch circuit based on NPN type triode, and voltage input switch circuit is the triode switch circuit based on PNP type triode.
Also taking the switch circuit of the first discharge unit as an example, the transistor Q4, the resistor R5 and the resistor R74 form the pulse input switch circuit, a control end of the pulse input switch circuit is connected to the pulse input interface, and a second pulse control signal sent by the controller is received through the C _ EMS _ LEFT, specifically, the transistor Q4 is an NPN type transistor, and a base of the NPN type transistor is connected to the control end, an emitter of the NPN type transistor is grounded, and a collector of the NPN type transistor is connected to an output end of the voltage input switch circuit.
Further, the voltage input switch circuit includes a transistor Q2, a resistor R2 and a resistor R4, and the transistor Q2 is a PNP type triode, and its base is connected to the pulse input switch circuit as a control terminal, specifically, to the collector of the transistor Q4, so that its conduction is controlled by the pulse input switch circuit. The output switch circuit comprises a triode Q3, a resistor R3 and a resistor R76, wherein the triode Q3 is an NPN type triode, one end of which the base electrode is located is a control end and is connected with the collector electrode of the triode Q4, so that the conduction of the triode Q3 is controlled by the pulse input switch circuit, the emitter electrode is grounded, and the collector electrode is used as the output end of the output switch circuit and is connected to the output interface.
Further, in order to facilitate testing of the plurality of switching circuits shown in fig. 4, each of the discharge cells in fig. 4 is further provided with electric signal detection points, i.e., electric signal detection points TP23 and TP2 shown in fig. 4. Specifically, the electric signal detection point is arranged at the control end of the output switch circuit so as to detect the power supply circuit of the basic electrode when the cosmetic instrument has a fault that the contact electrode does not work.
Based on the switching circuit shown in fig. 4, one duty cycle of the whole current generation circuit includes the following processes:
(1) when C _ EMS _ LEFT is high, C _ EMS _ RIGHT needs to be low. When the C _ EMS _ LEFT is at a high level, the transistor Q4 is turned on, so that the output end of the pulse input switching circuit is grounded, and then a low level is output to the voltage input switching circuit and the output switching circuit, so that the three-stage switching Q3 is turned off, but the transistor Q2 is turned on, at this time, since the C _ EMS _ RIGHT is at a low level, the transistor Q9 is turned off, so that the base of the transistor Q6 is suspended, and therefore, the transistor Q6 is also turned off, and a discharge voltage signal is input from the VCC _ EMS terminal, and is divided by the resistors R8, R10, R9, and R77, so that the collector of the transistor has a certain voltage, and at this time, the C _ EMS _ RIGHT is also at a low level, so that the transistor Q7 is turned on, and when the contact electrodes P1, P2 are in contact with a human body, the discharge voltage signal entering the VCC _ EMS terminal passes through the transistors Q2, P1, the human body. Thereby generating micro-current to discharge the skin of the target area.
(2) Based on the conduction principle of the above (1), when the C _ EMS _ LEFT is at a low level, the C _ EMS _ RIGHT is at a high level, the transistor Q4 is turned off, the transistor Q3 is turned on, the transistor Q2 is turned off, and since the C _ EMS _ RIGHT is at a high level, the transistor Q9 is turned on, the transistor Q6 is turned on, the transistor Q7 is turned off, and when the P1 and the P2 are in contact with a human body, a discharge voltage signal entering from the VCC _ EMS terminal forms a loop through the Q6, the P2, the human body, the P1, the Q3, thereby completing a discharge process of one working cycle of the microcurrent.
In the above one working cycle, the controller can implement micro-current discharge to the skin of the target area of the human body through the discharge voltage signal by controlling the second pulse control signals at the terminals of C _ EMS _ LEFT and C _ EMS _ RIGHT, and the skin of the target area of the human body completes the circuit connection with P2 through the contact electrodes P1.
During concrete implementation, above-mentioned second pulse control signal is square wave pulse signal usually, and its frequency commonly used can be 500HZ, and when in actual use, the frequency of above-mentioned second pulse control signal can also set up according to the in-service use condition, the embodiment of the utility model discloses a do not restrict this, and further, the model and the parameter of the electronic components that relate to in the circuit principle schematic diagram shown in above-mentioned figure 3 and figure 4 also can set up according to the in-service use condition, the embodiment of the utility model discloses a do not restrict this.
Further, on the basis of the above embodiment, the embodiment of the present invention also provides a cosmetic apparatus equipped with the micro-current generating device of the cosmetic apparatus.
The embodiment of the utility model provides a beauty instrument has the same technical characteristics with the little current generating device of beauty instrument that above-mentioned embodiment provided, so also can solve the same technical problem, reaches the same technological effect.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the beauty instrument described above may refer to the corresponding process in the foregoing embodiments, and will not be described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A micro-current generating device of a beauty instrument is characterized by comprising: the device comprises a controller, and a voltage preparation circuit and a current generation circuit which are connected with the controller, wherein the voltage preparation circuit is also connected with the current generation circuit;
the voltage preparation circuit is used for receiving a first pulse control signal sent by the controller and transmitting a discharge voltage signal to the current generation circuit according to the first pulse control signal;
the current generating circuit comprises a discharge unit and a contact electrode, wherein the discharge unit is matched with the contact electrode;
the discharge unit is used for receiving a second pulse control signal sent by the controller, switching on a discharge loop of the contact electrode according to the second pulse control signal, transmitting the discharge voltage signal to the contact electrode, and discharging to the skin of a target area.
2. The cosmetic instrument micro-current generating device of claim 1, wherein the voltage preparation circuit comprises a voltage converter, the voltage converter comprising an input terminal, an output terminal, and a control terminal;
the input end is connected with a power supply of the beauty instrument, the output end is connected with the current generating circuit, and the control end is connected with the controller.
3. The micro-current generating apparatus of a cosmetic instrument according to claim 1, wherein the discharging unit includes a switching circuit connected to the controller and disposed on a discharging loop of the contact electrode;
the switch circuit is used for receiving the second pulse control signal and changing the conducting state of the switch circuit according to the second pulse control signal so as to switch on the discharge loop of the contact electrode.
4. The micro-current generating device of the cosmetic instrument according to claim 2, wherein the voltage converter comprises an energy storage inductor and an electronic switch;
one end of the energy storage inductor is connected with a power supply of the beauty instrument, and the other end of the energy storage inductor is connected with the current generation circuit;
the control end of the electronic switch is connected with the controller, and the output end of the electronic switch is connected with the other end of the energy storage inductor.
5. The micro-current generating apparatus of a cosmetic instrument according to claim 4, wherein the voltage preparing circuit further comprises an anti-reverse diode provided at an output terminal of the voltage converter;
and the anode of the anti-reverse diode is connected with the other end of the energy storage inductor, and the cathode of the anti-reverse diode is connected with the output end of the voltage converter.
6. The micro-current generating device of the cosmetic instrument according to claim 5, wherein the voltage preparing circuit further comprises an energy storage capacitor;
one end of the energy storage capacitor is connected to the other end of the energy storage inductor, and the other end of the energy storage capacitor is grounded.
7. The micro-current generating apparatus of the cosmetic instrument according to claim 3, wherein the discharging unit includes a first discharging unit and a second discharging unit;
the output ends of the first discharge unit and the second discharge unit are connected with respective contact electrodes, and the contact electrodes are connected through isolation resistors;
the first discharge unit and the second discharge unit each include the switching circuit;
the controller is configured to send the second pulse control signal to the first discharge unit and the second discharge unit at the same time, and the second pulse control signal of the first discharge unit is opposite to the second pulse control signal of the second discharge unit in electrical property.
8. The micro-current generating device of the cosmetic instrument according to claim 7, wherein the switching circuit is provided with a pulse input interface, a voltage input interface, and an output interface;
the output interface is connected with the contact electrode;
the pulse input interface is connected with the controller and used for receiving the second pulse control signal;
the voltage input interface is connected with the voltage preparation circuit and used for receiving the discharge voltage signal.
9. The micro-current generating apparatus of a cosmetic instrument according to claim 8, wherein the switching circuit includes a pulse input switching circuit, a voltage input switching circuit, and an output switching circuit;
the control end of the pulse input switch circuit is connected with the pulse input interface, the output end of the pulse input switch circuit is connected with the control end of the voltage input switch circuit, and the control end of the output switch circuit is connected;
the input end of the voltage input switch circuit is connected with the voltage input interface, and the output end of the voltage input switch circuit is connected with the output interface;
the output end of the output switch circuit is also connected with the output interface.
10. A cosmetic apparatus characterized by being provided with the micro-current generating device of the cosmetic apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022112602.XU CN213491527U (en) | 2020-09-23 | 2020-09-23 | Little electric current generating device and beauty instrument of beauty instrument |
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| CN202022112602.XU CN213491527U (en) | 2020-09-23 | 2020-09-23 | Little electric current generating device and beauty instrument of beauty instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117045962A (en) * | 2023-10-11 | 2023-11-14 | 泉州艾奇科技有限公司 | Micro-electric radio frequency control circuit and beauty instrument |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117045962A (en) * | 2023-10-11 | 2023-11-14 | 泉州艾奇科技有限公司 | Micro-electric radio frequency control circuit and beauty instrument |
| CN117045962B (en) * | 2023-10-11 | 2024-01-30 | 泉州艾奇科技有限公司 | Micro-electric radio frequency control circuit and beauty instrument |
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