CN214712765U - Laser appearance and system that moults - Google Patents
Laser appearance and system that moults Download PDFInfo
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- CN214712765U CN214712765U CN202023226741.1U CN202023226741U CN214712765U CN 214712765 U CN214712765 U CN 214712765U CN 202023226741 U CN202023226741 U CN 202023226741U CN 214712765 U CN214712765 U CN 214712765U
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Abstract
The utility model provides a laser depilatory apparatus and a depilatory apparatus system, which relate to the technical field of depilatory apparatuses, and the laser depilatory apparatus comprises a controller, a power supply control circuit and a light source module; the controller, the power supply control circuit and the light source module are sequentially connected; the light source module comprises a laser light source; the controller is used for receiving the control signal and outputting a pulse enabling signal to the power supply control circuit according to the control signal; and the power supply control circuit is used for sending a light emitting signal to the laser light source according to the pulse enabling signal. The utility model provides a laser appearance and the appearance system that moults can make laser light source beat light to target skin according to predetermined luminous frequency, and because laser light source's spectral range is relatively concentrated, can effectively reduce the spectrum of all the other wave bands and use human skin, effectively avoided the spectrum of all the other wave bands to the painful sense that skin caused, feel of scorching hot and anaphylactic reaction and so on, improved the user and used the experience degree that the appearance moults.
Description
Technical Field
The utility model belongs to the technical field of the technique that moults the appearance and specifically relates to a laser appearance and the appearance system that moults.
Background
With the improvement of living standard, depilation becomes a rigid demand for each age group. The existing depilatory instrument mostly adopts an intense pulse light technology, and the intense pulse light technology generally discharges electricity to a large capacitor instantly by ionizing inert gas of a xenon lamp tube, so that the aim of depilating is fulfilled. However, the spectral coverage of intense pulsed light can reach 350nm to 1200nm, wherein 680nm to 900nm is really used for depilation, although filtering is performed, energy of a certain wave band can act on a human body to cause pain and burning sensation, particularly, the spectrum of a low wave band can cause skin allergy and even skin diseases, bad experience is brought to a user, and the experience degree is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a laser hair removal device and a hair removal device system to alleviate the above technical problems.
In a first aspect, an embodiment of the present invention provides a laser hair removal device, which includes a controller, a power supply control circuit, and a light source module; the controller, the power supply control circuit and the light source module are sequentially connected; wherein the light source module comprises a laser light source; the controller is used for receiving a control signal and outputting a pulse enabling signal to the power supply control circuit according to the control signal; the power supply control circuit is used for sending a polishing signal to the laser light source according to the pulse enabling signal so as to adjust the light emitting power of the laser light source and enable the laser light source to polish the target skin according to a preset light emitting frequency.
Preferably, in a possible implementation, the power supply control circuit includes a power supply control chip and a driving circuit connected in sequence; the power supply control chip comprises an enabling port and a driving signal output port; the power supply control chip is connected with the controller through the enabling port to receive the pulse enabling signal; the power supply control chip is connected with the driving circuit through the driving signal output port, and the light emitting signal is generated to the light source module through the driving circuit.
Preferably, in a possible implementation, the power supply control circuit further includes a signal acquisition unit; the power supply control chip also comprises a signal detection input port, and the signal acquisition unit is connected with the power supply control chip through the signal detection input port; the signal acquisition unit is used for acquiring a working voltage signal and a working current signal of the laser light source and transmitting the working voltage signal and the working current signal to the power supply control chip; the power supply control chip is used for adjusting a driving signal of the laser light source according to the working voltage signal, the working current signal and a pulse enabling signal sent by the controller and sending the driving signal to the laser light source so as to adjust the light emitting power of the laser light source.
Preferably, in a possible implementation, the driving circuit includes two complementary synchronous rectification BUCK circuits; the two paths of synchronous rectification BUCK circuits are used for receiving the driving signals and complementarily controlling the laser light source through the driving signals.
Preferably, in a possible implementation, the signal acquisition unit includes a current sampling circuit and a voltage sampling circuit; the current sampling circuit is used for collecting a working current signal of the laser light source; the voltage sampling circuit is used for collecting a working voltage signal of the laser light source; the current sampling circuit is arranged at the output end of each path of the synchronous rectification BUCK circuit.
Preferably, in a possible implementation, the signal detection input port of the power supply control chip includes a voltage input port and a current input port; the output end of the current sampling circuit is connected to the current input port, and the output end of the voltage sampling circuit is connected to the voltage input port.
Preferably, in a possible implementation manner, the voltage sampling circuit includes a sampling circuit disposed in a power supply circuit of the laser light source, and a differential operation circuit connected to the sampling circuit and a compensation circuit matched to the differential operation circuit.
Preferably, in a possible implementation, the driving circuit is further provided with a driving output end; the output ends of the two paths of synchronous rectification BUCK circuits are connected to the driving output end; the laser light source comprises a plurality of laser chips, and the laser chips form a laser array according to a preset connection mode; the laser array is provided with a public driving end, and the public driving end is connected to a driving output end of the driving circuit.
Preferably, in a possible embodiment, the laser array comprises at least one light source branch; each light source branch comprises at least one laser chip connected in series; at least one light source branch is connected in parallel to form the laser array.
Preferably, in a possible embodiment, the light source module further includes a light guide column and a heat sink matched with the laser light source; the light guide column is used for conducting light guide treatment on light beams emitted by the laser light source so that the laser light source can polish target skin; the radiator is in contact with the substrate of the laser light source and is used for conducting heat dissipation treatment on the laser light source.
Preferably, in a possible embodiment, the radiator is further provided with a fan unit; the fan unit is used for assisting the radiator in radiating when being triggered.
Preferably, in a possible embodiment, the laser epilator further comprises a contact sensor and a skin color sensor connected to the controller; wherein the contact sensor is used for detecting a contact signal of the target skin; the skin color sensor is used for detecting a color signal of the target skin.
In a second aspect, the embodiments of the present invention further provide an epilating apparatus system, the epilating apparatus system includes the laser epilating apparatus of the first aspect, and further includes an adapter matched with the laser epilating apparatus.
The embodiment of the utility model provides a following beneficial effect has been brought:
the embodiment of the utility model provides a pair of laser appearance and the appearance system that moults, through setting light source module to laser light source, make the controller can be when receiving control signal, according to control signal to power supply control circuit output pulse enable signal, so that power supply control circuit is according to pulse enable signal, send the light signal to laser light source, with adjustment laser light source's luminous power, make laser light source polish target skin according to predetermined luminous frequency, and because laser light source's spectral range is concentrated relatively, when laser light source polishes target skin according to predetermined luminous frequency, can effectively reduce the spectrum of all the other wave bands and use human skin, the spectrum of all the other wave bands has effectively been avoided feels painful to skin, scorching hot sense and anaphylactic reaction etc. that cause, the user has improved the experience degree that the appearance that moults.
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 diagram of a laser hair removal device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another laser depilation instrument provided by the embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a power supply control circuit according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a laser array according to an embodiment of the present invention;
fig. 5 is a schematic view of a light source module 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.
Most of existing depilatory instruments use an Intense Pulsed Light (IPL) technology to achieve the depilatory effect, and the Intense pulsed light is achieved by instantly discharging a large capacitor through inert gas ionizing a xenon lamp tube, generally, the spectrum of the Intense pulsed light covers 350nm to 1200nm, 680nm to 900nm really has the depilatory effect, although the spectrum of the Intense pulsed light can be subjected to filtering treatment, energy of other wave bands with energy not less than 5% can be applied to a human body, pain and burning sensation can be caused, and particularly, skin allergy and even skin diseases can be caused by the spectrum of low wave bands. In addition, the full spectrum of the intense pulse light can present dazzling white light, which can cause discomfort to the eyes of users and even influence the eye health in the using process.
Based on this, the embodiment of the utility model provides a laser appearance and the appearance system that moults can effectively alleviate above-mentioned problem.
To facilitate understanding of the present embodiment, a laser hair removal device disclosed in the embodiments of the present invention will be described in detail first.
In a possible implementation manner, the embodiment of the present invention provides a laser hair removal device (referred to as a hair removal device), fig. 1 shows a schematic structural diagram of a laser hair removal device, as shown in fig. 1, including a controller 10, a power supply control circuit 20 and a light source module 30, and the controller 10, the power supply control circuit 20 and the light source module 30 are connected in sequence.
The light source module 30 includes a laser light source 301; the controller is used for receiving the control signal and outputting a pulse enabling signal to the power supply control circuit according to the control signal; the power supply control circuit is used for sending a lighting signal to the laser light source according to the pulse enabling signal so as to adjust the light emitting power of the laser light source and enable the laser light source to light the target skin according to the preset light emitting frequency.
The embodiment of the utility model provides a pair of laser appearance that moults, through setting light source module to laser light source, make the controller can be when receiving control signal, according to control signal to power supply control circuit output pulse enable signal, so that power supply control circuit is according to pulse enable signal, send the signal of lighting a light to laser light source, with adjustment laser light source's luminous power, make laser light source light target skin according to predetermined luminous frequency, and because laser light source's spectral range concentrates relatively, when laser light source lights a light to target skin according to predetermined luminous frequency, can effectively reduce the spectrum of all the other wave bands and use human skin, the painful sense of spectrum that has effectively avoided all the other wave bands to cause skin, scorching hot sense and anaphylactic reaction etc., the user has improved the experience degree that the appearance that moults.
In practical use, the laser light source included in the light source module can be realized by a laser, and the laser has strong monochromaticity, so that more than 99% of energy of the laser can be concentrated in the fluctuation range of 6nm, therefore, after the laser is selected properly, the output spectrum of the depilating instrument can be concentrated in the 808 nm-850 nm waveband with the depilating effect most, and other wavebands with weak depilating effect are not generated, so that the damage to the skin can be reduced and the depilating efficiency can be improved during use, and the use is not dazzling.
When in actual use, above-mentioned controller is whole laser instrument's central controller that moults usually, also can be the drive that is used for to light source module that sets up alone and control, and with laser instrument's central controller communication connection's controller that moults, specifically can set up according to the in-service use condition, the embodiment of the utility model discloses not restrict to this.
During specific implementation, the controller can select PWM driving waveforms with different frequencies and duty ratios according to different gears and modes input by human-computer interaction so as to determine the working state of the power supply control circuit. The embodiment of the utility model provides a controller adopts Microcontroller (Microcontroller Unit; MCU) to realize usually, also can be called Single Chip Microcomputer (Single Chip Microcomputer) or singlechip, can do suitable reduction to Central processing Unit (Central processing Unit; CPU)'s frequency and specification, and with peripheral interfaces such as memory (memory), counter (Timer), USB, AD conversion, UART, PLC, DMA, LCD drive circuit integrates on Single Chip even, form the computer of Chip level, in order to realize the embodiment of the utility model discloses to the control function of laser appearance that moults, the model and the parameter of specific controller can set up according to the in-service use condition, the embodiment of the utility model limits this.
Further, can realize better effect of mouling in order to make the laser instrument of the appearance that moults, the embodiment of the utility model provides an in, drive light source module through above-mentioned power supply control circuit to satisfy the requirement of laser instrument to operating current and operating voltage.
For the convenience of understanding, fig. 2 shows a schematic structural diagram of another laser hair removal device on the basis of fig. 1, and the control manner of the light source module is described in detail.
Specifically, as shown in fig. 2, in the embodiment of the present invention, the power supply control circuit 20 includes a power supply control chip 201 and a driving circuit 202 connected in sequence; the power supply control chip constitutes a control module of the power supply control circuit, and specifically, the power supply control chip 201 includes an enable port and a driving signal output port; the power supply control chip 201 is connected with the controller 10 through an enable port to receive a pulse enable signal; the power supply control chip 201 is connected to the driving circuit 202 through the driving signal output port, and generates a light emitting signal to the light source module through the driving circuit 202.
Further, as shown in fig. 2, the power supply control circuit further includes a signal acquisition unit 203; the power supply control chip further includes a signal detection input port, and the signal acquisition unit is connected with the power supply control chip 201 through the signal detection input port.
The signal acquisition unit 203 is configured to acquire a working voltage signal and a working current signal of the laser light source, and transmit the working voltage signal and the working current signal to the power supply control chip 201; the power supply control chip 201 is configured to adjust a driving signal of the laser light source according to the working voltage signal, the working current signal, and the pulse enable signal sent by the controller, and send the driving signal to the laser light source to adjust the light emitting power of the laser light source.
In practical use, the power supply control chip is an integrated circuit chip usually, can embed logic control, detection circuitry, amplifier circuit, PWM control and so on functional module, can also set up various functional interface, if the embodiment of the utility model provides an enable port, drive signal output port, signal detection input port and so on to with other circuit connection, realize holistic power supply control.
For ease of understanding, fig. 3 also shows a circuit schematic diagram of a power supply control circuit, as shown in fig. 3, wherein the chip U5 in fig. 3 is a power supply control chip, and the schematic diagram of its respective pins is shown in fig. 3, wherein the DRIVER port in fig. 3 is an enable port, and is connected to the controller to receive an enable signal sent by the controller.
Furthermore, in the embodiment of the present invention, the driving circuit includes two complementary synchronous rectification BUCK circuits; and the two paths of synchronous rectification BUCK circuits are used for receiving a driving signal output by the power supply control chip according to the enabling signal so as to carry out complementary control on the laser light source through the driving signal.
Specifically, as shown in fig. 3, the part indicated by the dotted line is a complementary two-way synchronous rectification BUCK circuit, and the power supply control chip U5 further includes two sets of driving signal output ports for respectively connecting to each way of synchronous rectification BUCK circuit. In fig. 3, UGATE1 and LGATE1 are a group of driving signal output ports, and are connected to the above one synchronous rectification BUCK circuit, UGATE2 and LGATE2 are another group of driving signal output ports, and are connected to the lower one synchronous rectification BUCK circuit, and in actual use, the two synchronous rectification BUCK circuits form a DC-DC power conversion module of the whole power supply control circuit, and are implemented by two complementary synchronous rectification BUCK circuits, and in order to minimize ripple voltage, the two synchronous rectification BUCK circuits implement complementary control, that is, an H-MOS of one synchronous rectification BUCK circuit and an L-MOS of the other BUCK circuit are synchronously switched, and the switching control of the MOS is controlled by a power supply control chip U5 through two groups of driving signal output ports.
Specifically, the connection situation is as shown in fig. 3, and the synchronous rectification BUCK circuit in the upper part of fig. 3 is taken as an example for explanation, wherein Q3-Q6 are MOSFETs, in the embodiment of the present invention, the MOSFETs adopt the form of patches, and control the on-off state through the power supply control chip U5, so as to realize the conversion of the power supply. In the circuit diagram shown in fig. 3, mosfets Q3 to Q6 are powered by 12V, and the power supply terminals are further provided with capacitor filter circuits, i.e., capacitors C1, C2 and C6 connected in parallel in fig. 3, and further, in fig. 3, the synchronous rectification BUCK circuit further includes an inductor L1. In practical use, the MOSFETs Q3 to Q6 may be dedicated power MOSFETs with extremely low on-resistance, so as to reduce the rectification loss and improve the efficiency of DC-DC power conversion. The working principle of the next synchronous rectification BUCK circuit is the same as that of the previous synchronous rectification BUCK circuit, which is not described herein.
Furthermore, in order to facilitate the collection of the working voltage signal and the working current signal of the laser light source, in the embodiment of the present invention, the signal collection unit includes a current sampling circuit and a voltage sampling circuit; the current sampling circuit is used for collecting a working current signal of the laser light source; the voltage sampling circuit is used for collecting a working voltage signal of the laser light source; the current sampling circuit is arranged at the output end of each path of synchronous rectification BUCK circuit.
Specifically, as shown in fig. 3, the current sampling circuit is also described by taking the above one-way synchronous rectification BUCK circuit as an example.
The embodiment of the utility model provides an in the electric Current sampling circuit including parallelly connected the RC circuit that sets up at the inductance both ends of synchronous rectification BUCK circuit, when in actual use, consider that the inductance all has DCR (Direct Current Resistance), consequently, when the inductance has the electric Current to pass through, can form the pressure drop on DCR, the utility model discloses in the embodiment, the pressure drop through detecting DCR monitors actual Current output, specific implementation scheme is through parallelly connected RC on the inductance, detects C's voltage, and then realizes the detection of electric Current, the embodiment of the utility model provides an in, take the synchronous rectification BUCK circuit of the above one kind as an example, the RC circuit refers to parallelly connected R4, C60 at inductance L1 both ends in FIG. 3, through the detection to electric capacity C60 both ends voltage signal, realizes the collection to laser source's operating Current signal. In addition, a resistor R3 and a capacitor C4 are further arranged on a connection circuit with the power supply control chip U5 to realize current limiting, overcurrent protection and constant current output control.
Further, the signal detection input port of the power supply control chip comprises a voltage input port and a current input port; the output end of the current sampling circuit is connected to the current input port, and the output end of the voltage sampling circuit is connected to the voltage input port.
In fig. 3, the voltage signals at two ends of the capacitor C60 collected by the current sampling circuit in the upper path are connected to the current input ports ISENA and ISENB of the power supply control chip U5, so that the power supply control chip U5 collects the working current signals of the laser light source by detecting the voltage of the capacitor C60. The working principle of the lower current sampling circuit is consistent with that of the upper current sampling circuit, and details are not repeated herein.
Further, the embodiment of the utility model provides an in, voltage sampling circuit is including setting up the sampling circuit at laser light source's power supply circuit to and the difference arithmetic circuit who is connected with sampling circuit and the compensation circuit who matches with difference arithmetic circuit.
Specifically, as shown in fig. 3, the connector J2 is connected to a laser light source of the light source module, and the resistor R26, the resistor R31, the resistor R29, the resistor R5 and the resistor R6 in fig. 3 constitute a sampling circuit, where R5 is used to perform integral voltage division on power supplied to the laser light source, and the resistor R26, the resistor R31, the resistor R29 and the laser light source are in the same branch, and also perform a voltage division protection function, and meanwhile, the sampling circuit further includes a capacitive filter circuit, that is, capacitors C40 and C58 connected in parallel in fig. 3. Therefore, the embodiment of the utility model provides an in the sampling circuit can realize through the circuit of resistance partial pressure, electric capacity filtering, simultaneously, power supply control chip U5 can adjust output PWM's duty cycle according to the voltage adjustment that sampling circuit gathered, adjusts the BOOT voltage signal of output, makes laser light source's operating voltage be in the rated range.
Further, the working voltage signal of the laser light source collected by the sampling circuit is input to a voltage input port, that is, a port corresponding to the pins VSEN1 and VSEN2 of the power supply control chip U5 in fig. 3, the differential operation circuit and the compensation circuit are disposed on one side of the power supply control chip U5, and the working voltage signal input from the pins VSEN1 and VSEN2 is subjected to differential operation, specifically, as shown in fig. 3, the differential operation circuit is connected to an error amplification feedback input terminal of the power supply control chip U5, corresponding to the pin FB1 in fig. 3, and specifically, main components of the differential operation circuit include the capacitor C8, the resistor R9 and the resistor R7 in fig. 3.
The signal of the pin VMON1 is a signal obtained by differentially amplifying signals of the pins VSEN1 and VSEN2, and is compensated with the FB pin, that is, in fig. 3, capacitors C9 and C10 and a resistor R8 form a compensation loop, FB1 is a negative input of a voltage error amplification feedback input end of the power supply control chip U5, COMP is an output end of the voltage error amplification feedback, and the two signals are subjected to loop compensation.
Therefore, the voltage sampling circuit operates as follows: when the working voltage of the laser light source is increased, the sampled working voltage signal is also increased, the voltage corresponding to the FB pin in fig. 3 is also increased, the COMP output end is reduced after passing through the error amplifier of the power supply control chip U5, the output is the negative input end of the driving operational amplifier, and the reduction of the output can cause the duty ratio of the driving laser light source to be reduced, so that the working voltage of the laser light source is reduced. Therefore, the voltage sampling circuit can constitute a voltage loop, and the output voltage can be stabilized during operation.
Further, the driving circuit of the power supply control circuit is also provided with a driving output end; the output ends of the two paths of synchronous rectification BUCK circuits are connected to the driving output end; wherein the output corresponds to the location of the point Vout in fig. 3. The laser light source comprises a plurality of laser chips, and the laser chips form a laser array according to a preset connection mode; the laser array is provided with a public driving end, and the public driving end is connected to the driving output end of the driving circuit so as to drive the laser chips.
In practical applications, the laser chip is usually selected to have a center wavelength of about 800nm, so as to form the laser source suitable for the hair removal device, such as a VCSEL laser chip.
Further, in order to facilitate driving the laser array, the laser array comprises at least one light source branch; each light source branch comprises at least one laser chip connected in series; at least one light source branch is connected in parallel to form a laser array.
For easy understanding, fig. 4 shows a schematic diagram of a laser array, and the working principle of the laser chips is represented by light emitting diodes, as shown in fig. 4, a plurality of laser chips in each row are connected in series to form a light source branch, and each light source branch is connected in parallel to form the laser array. In fig. 4, J1 and J2 are control terminals of the whole laser array, J1 is usually connected as an input terminal to a driving output terminal of the driving circuit, and J2 is usually grounded. During concrete implementation, the quantity of the light source branch road of laser array to and, the quantity of the laser chip that every light source branch road included can set up according to the in-service use condition, the embodiment of the utility model provides a do not restrict to this.
In practical use, in order to facilitate heat dissipation of the laser light source, the light source module in the embodiment of the present invention further includes a light guide column and a heat sink matched with the laser light source; specifically, fig. 5 shows a schematic diagram of a light source module, specifically, fig. 5 shows a front view of the light source module, the laser light source is disposed inside the whole laser light source, and the laser beam emitted therefrom is guided out through a light guide column, wherein the light guide column includes a light guide column 501, a heat sink 502, and a light column fixing seat 503 for fixing the light guide column 501, wherein the light guide column is used for conducting light guide treatment on the light beam emitted by the laser light source, so that the laser light source irradiates the target skin; the radiator is contacted with the substrate of the laser light source and is used for radiating the laser light source. Generally, the surface of the light guide column is usually polished, and usually, an organic glass material with better light transmittance is selected, so that light beams emitted by the laser light source are conducted to target skin, and the purpose of polishing is achieved.
In practical use, the laser array shown in fig. 4 is usually disposed on a substrate, and the heat sink is usually made of metal and contacts with the substrate of the laser array, so as to guide out heat generated by the laser light source, thereby avoiding the phenomenon that the use of the depilating apparatus is affected by over-high temperature. Further, the radiator is also provided with a fan unit; the fan unit is used for assisting the radiator in radiating when being triggered. For example, the fan unit accelerates the air flow, facilitates cooling of the heat sink, and so on.
When in actual use, the laser depilation instrument can be provided with the temperature sensor, the temperature of the part where the laser light source is located is detected, then the signal for detecting the temperature is sent to the controller, the controller is enabled to monitor the temperature of the laser light source, and when the temperature of the laser light source exceeds a certain value, the controller can trigger the fan unit to operate and further adjust the rotating speed of the fan unit according to the temperature and the like so as to assist the heat radiator to dissipate heat.
Further, as shown in fig. 2, the laser depilation apparatus further includes a contact sensor 204 and a skin color sensor 205 connected to the controller 10; the contact sensor 204 is used for detecting a contact signal of the target skin, and is usually disposed at a light-emitting opening of the hair removal device, so that when the hair removal device is aligned with the target skin, the contact signal is fed back to the controller, and then the light source module is controlled to emit light. The skin color sensor is used for detecting a color signal of the target skin and then feeding the color signal back to the controller, and the controller can adjust the lighting intensity of the light source module according to the color signal.
Specifically, considering that the tolerance of different skin colors to light is different, the method for detecting the color signal of the target skin by the skin color sensor can detect the chromaticity of the skin of the user, and sequentially regulate and control the lighting energy density, so that the depilating effect is achieved, and discomfort of the skin is avoided.
In addition, the laser depilation instrument is further provided with an operation interface, such as an operation panel, a key and the like, so that a user can operate the laser depilation instrument, for example, the user can select a lighting gear through the operation interface, and when the lighting gear is selected to be lower and the skin color of the user is darker, the controller can output a PWM wave with a smaller duty ratio, so that the light power of the light source module is reduced. When the gear selected by the user is higher and the skin color is white, the controller can output PWM waves with larger duty ratio, so that the light source module has increased light power to meet the use requirements of the user. The contact sensor can detect whether the polishing port contacts with the skin or not, and then the laser depilator can be polished when the polishing port is completely attached to the skin, so that eyes are prevented from being injured by empty flash.
On the basis of the above-mentioned embodiment, the embodiment of the utility model provides a still provide an appearance system moults, should moult the appearance system and include above-mentioned laser and moult the appearance, still include the adapter that matches with the laser appearance that moults.
The embodiment of the utility model provides a laser appearance of mouling that moults has the same technical characteristic with the above-mentioned embodiment, so also can solve the same technical problem, reaches the same technological effect.
It will be clear to those skilled in the art that for the sake of convenience and brevity of description, the specific operation of the epilating apparatus system described above can be referred to the corresponding process in the foregoing embodiments, and will not be described in detail herein.
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 (13)
1. A laser depilation instrument is characterized by comprising a controller, a power supply control circuit and a light source module; the controller, the power supply control circuit and the light source module are sequentially connected;
wherein the light source module comprises a laser light source;
the controller is used for receiving a control signal and outputting a pulse enabling signal to the power supply control circuit according to the control signal;
the power supply control circuit is used for sending a polishing signal to the laser light source according to the pulse enabling signal so as to adjust the light emitting power of the laser light source and enable the laser light source to polish the target skin according to a preset light emitting frequency.
2. The laser hair removal instrument of claim 1, wherein the power supply control circuit comprises a power supply control chip and a driving circuit which are connected in sequence;
the power supply control chip comprises an enabling port and a driving signal output port;
the power supply control chip is connected with the controller through the enabling port to receive the pulse enabling signal;
the power supply control chip is connected with the driving circuit through the driving signal output port, and the light emitting signal is generated to the light source module through the driving circuit.
3. The laser hair removal instrument of claim 2, wherein the power supply control circuit further comprises a signal acquisition unit;
the power supply control chip also comprises a signal detection input port, and the signal acquisition unit is connected with the power supply control chip through the signal detection input port;
the signal acquisition unit is used for acquiring a working voltage signal and a working current signal of the laser light source and transmitting the working voltage signal and the working current signal to the power supply control chip;
the power supply control chip is used for adjusting a driving signal of the laser light source according to the working voltage signal, the working current signal and a pulse enabling signal sent by the controller and sending the driving signal to the laser light source so as to adjust the light emitting power of the laser light source.
4. The laser hair removal instrument according to claim 3, wherein the driving circuit comprises two complementary synchronous rectification BUCK circuits;
the two paths of synchronous rectification BUCK circuits are used for receiving the driving signals and complementarily controlling the laser light source through the driving signals.
5. The laser hair removal instrument according to claim 4, wherein the signal acquisition unit comprises a current sampling circuit and a voltage sampling circuit;
the current sampling circuit is used for collecting a working current signal of the laser light source;
the voltage sampling circuit is used for collecting a working voltage signal of the laser light source;
the current sampling circuit is arranged at the output end of each path of the synchronous rectification BUCK circuit.
6. The laser epilator as claimed in claim 5, wherein the signal detection input port of the power control chip comprises a voltage input port and a current input port;
the output end of the current sampling circuit is connected to the current input port, and the output end of the voltage sampling circuit is connected to the voltage input port.
7. The laser hair removal device of claim 5, wherein the voltage sampling circuit comprises a sampling circuit disposed in a power supply circuit of the laser light source, and a differential operation circuit connected to the sampling circuit and a compensation circuit matched to the differential operation circuit.
8. A laser epilation instrument as claimed in claim 4, characterized in that the drive circuit is further provided with a drive output;
the output ends of the two paths of synchronous rectification BUCK circuits are connected to the driving output end;
the laser light source comprises a plurality of laser chips, and the laser chips form a laser array according to a preset connection mode;
the laser array is provided with a public driving end, and the public driving end is connected to a driving output end of the driving circuit.
9. The laser epilator as claimed in claim 8, wherein the laser array comprises at least one light source branch;
each light source branch comprises at least one laser chip connected in series;
at least one light source branch is connected in parallel to form the laser array.
10. The laser epilator as claimed in claim 1, wherein the light source module further comprises a light guide pole and a heat sink matched to the laser light source;
the light guide column is used for conducting light guide treatment on light beams emitted by the laser light source so that the laser light source can polish target skin;
the radiator is in contact with the substrate of the laser light source and is used for conducting heat dissipation treatment on the laser light source.
11. The laser epilation apparatus as claimed in claim 10, characterized in that the heat sink is further provided with a fan unit;
the fan unit is used for assisting the radiator in radiating when being triggered.
12. The laser epilator as claimed in claim 1, further comprising a contact sensor and a skin color sensor connected to the controller;
wherein the contact sensor is used for detecting a contact signal of the target skin;
the skin color sensor is used for detecting a color signal of the target skin.
13. An epilator system comprising a laser epilator as claimed in any of claims 1-12, and an adapter for mating with the laser epilator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226741.1U CN214712765U (en) | 2020-12-28 | 2020-12-28 | Laser appearance and system that moults |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226741.1U CN214712765U (en) | 2020-12-28 | 2020-12-28 | Laser appearance and system that moults |
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| CN214712765U true CN214712765U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674867A (en) * | 2020-12-28 | 2021-04-20 | 东莞市凌风科技有限公司 | Laser appearance and system that moults |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674867A (en) * | 2020-12-28 | 2021-04-20 | 东莞市凌风科技有限公司 | Laser appearance and system that moults |
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