Beauty device
The beauty device addresses discomfort from high-intensity pulsed light by controlling sequential discharges for energy superposition, enhancing user experience and efficiency.
Patent Information
- Application Number
- PCT/CN2025/093705
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-08-02
- Filing Date
- 2025-05-09
- Publication Date
- 2026-02-05
AI Technical Summary
Beauty devices using capacitors to produce pulsed light with high intensity cause user discomfort due to rapid energy discharge, leading to stinging and poor user experience.
A beauty device that controls capacitor discharge to sequentially produce pulsed lights with controlled energy ratios and durations, allowing for energy superposition through multiple discharges, preventing discomfort and maintaining skin temperature for improved user experience.
The device enhances user experience by avoiding discomfort and improving energy utilization efficiency through controlled pulsed light exposure, ensuring gradual temperature increase without rapid skin cooling.
Smart Images

Figure CN2025093705_05022026_PF_FP_ABST
Abstract
Description
BEAUTY DEVICECROSS REFERENCE TO RELATED APPLICATION
[0001] The present application claims priority to Chinese patent application No. 202411060735.3, filed on August 2, 2024, the content of which is incorporated herein by reference in its entirety.TECHNICAL FIELD
[0002] The present application relates to the field of beauty device technology, and in particular to a beauty device.BACKGROUND
[0003] With the improvement of living standards, beauty devices have been widely used. In order to produce pulsed light with sufficient intensity in a short period of time, capacitors are used to power light emitting apparatuses. All the energy stored in the capacitors is converted into a pulsed light with high intensity through a single discharge process. However, the high energy produced during the single discharge process makes a user feel discomfort, such as a stinging, resulting in poor user experience.SUMMARY
[0004] The following is a brief summary of subject matter that is described in detail herein. This summary is not intended to be limiting as to the scope of the claims. Embodiments of this application provide a beauty device, which improves user experience.
[0005] According to a first aspect, this application discloses a beauty device, and the beauty device includes a control device, a light emitting device, and a capacitor device;
[0006] the control device is configured to,
[0007] in a light emitting window,
[0008] control the capacitor device to discharge, so that the light emitting device sequentially produces a first pulsed light, a second pulsed light, and a third pulsed light to irradiate on a user’s skin; the first pulsed light is separated from the second pulsed light by a first preset duration, and the second pulsed light is separated from the third pulsed light by a second preset duration;
[0009] in which a ratio of energy of the first pulsed light to energy of the third pulsed light is less than or equal to a first threshold, and a ratio of energy of the second pulsed light to the energy of the third pulsed light is less than or equal to a second threshold; the first preset duration is less than or equal to a third threshold, and the second preset duration is less than or equal to a fourth threshold, so that energy superposition of the first pulsed light, the second pulsed light, and the third pulsed light is achieved; and
[0010] in which the first threshold is less than or equal to 1, and the second threshold is less than or equal to 1.
[0011] In embodiments of this application, the beauty device includes a control device, a light emitting device, and a capacitor device; the control device is configured to, in a light emitting window, control the capacitor device to discharge, so that the light emitting device sequentially produces a first pulsed light, a second pulsed light, and a third pulsed light to irradiate on a user’s skin; the first pulsed light is separated from the second pulsed light by a first preset duration, and the second pulsed light is separated from the third pulsed light by a second preset duration; in which a ratio of energy of the first pulsed light to energy of the third pulsed light is less than or equal to a first threshold, a ratio of energy of the second pulsed light to the energy of the third pulsed light is less than or equal to a second threshold, the first preset duration is less than or equal to a third threshold, and the second preset duration is less than or equal to a fourth threshold, so that energy superposition of the first pulsed light, the second pulsed light, and the third pulsed light is achieved; and in which the first threshold is less than or equal to 1, and the second threshold is less than or equal to 1. In the beauty device, the capacitor device is discharged to produce the first pulsed light to irradiate on the user’s skin, then the capacitor device is charged by a charging device, the capacitor device is discharged to produce the second pulsed light to irradiate on the user’s skin, and finally the capacitor device is charged by the charging device, and the capacitor device is discharged to produce the third pulsed light to irradiate on the user’s skin, so that energy superposition is achieved through multiple discharges, which prevents the user from feeling discomfort due to high energy and avoids the skin from being subjected to high temperature caused by prolonged exposure to the light emitting device, thereby improving user experience. In addition, in the beauty device, the first pulsed light is configured to irradiate on the user’s skin, then the second pulsed light is configured to irradiate on the user’s skin once irradiation of the first pulsed light is stopped for the first preset duration, and the third pulsed light is configured to irradiate on the user’s skin, once irradiation of the second pulsed light is stopped for the second preset duration. The first preset duration is less than or equal to the third threshold and the second preset duration is less than or equal to the fourth threshold, which ensures the skin has not completely cooled down or the temperature of the skin has not yet dropped to a preset cooling value due to the heat produced from absorption of the pulsed light, when supplementary light is applied. In other words, supplementary light is applied before the skin has completely cooled down or before the temperature of the skin has dropped to a preset cooling value due to the heat produced from absorption of the pulsed light, thereby improving the energy utilization efficiency of the beauty device and achieving heat superposition. Furthermore, the ratio of the energy of the first pulsed light to the energy of the third pulsed light is less than or equal to the first threshold, and the ratio of the energy of the second pulsed light to the energy of the third pulsed light is less than or equal to the second threshold, so that the skin is exposed to light with low energy multiple times for preheating, and then exposed to light with high energy, which allows the temperature of the skin to gradually increase, avoiding the user from feeling discomfort, such as stinging, due to rapid temperature rise, thereby further enhancing user experience.
[0012] After reading and understanding the accompanying drawings and detailed description, other aspects can be understood. Other aspects will be appreciated upon reading and understanding the attached figures and detailed descriptions.BRIEF DESCRIPTION OF THE DRAWINGS
[0013] To illustrate the technical solutions in the embodiments of this application more clearly, the following provides a brief introduction to the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are merely some embodiments of this application. For those skilled in the art, other drawings are obtained from these illustrations without creative effort.
[0014] Figure 1 is a schematic diagram of a structure of a beauty device according to an embodiment of this application;
[0015] Figure 2 is a schematic diagram of a structure of another beauty device according to an embodiment of this application;
[0016] Figure 3 is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application;
[0017] Figure 4 is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application;
[0018] Figure 5 is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application;
[0019] Figure 6 is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application;
[0020] Figure 7 is a schematic diagram of a structure of a charging device according to an embodiment of this application;
[0021] Figure 8 is a schematic diagram of a structure of another charging device according to an embodiment of this application;
[0022] Figure 9 is a schematic diagram of a structure of yet another charging device according to an embodiment of this application;
[0023] Figure 10 is a schematic diagram of a structure of a power input circuit according to an embodiment of this application;
[0024] Figure 11 is a schematic diagram of a structure of a voltage collection circuit according to an embodiment of this application;
[0025] Figure 12 is a schematic diagram of a structure of a power conversion circuit according to an embodiment of this application;
[0026] Figure 13 is a schematic diagram of a structure of a voltage stabilization circuit according to an embodiment of this application;
[0027] Figure 14 is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application;
[0028] Figure 15 is a schematic diagram of a structure of a voltage transformation circuit according to an embodiment of this application;
[0029] Figure 16 is a schematic diagram of a structure of a driving device according to an embodiment of this application; and
[0030] Figure 17 is a schematic diagram of a structure of yet another charging device according to an embodiment of this application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0031] To enable those skilled in the art to better understand the solutions of this application, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings.
[0032] Embodiments of this application provide a beauty device capable of improving user experience. The details are described below.
[0033] To better understand the embodiments of this application, the following describes relevant technologies.
[0034] A beauty device is a machine that adjusts and improves body and facial conditions based on human physiological functions. Beauty devices have been widely used in the cosmetic field. The beauty devices treat skin by emitting pulsed light to achieve various cosmetic effects -such as whitening, rejuvenation, spot removal, wrinkle reduction, and hair removal -depending on a wavelength of the pulsed light.
[0035] During the use of a beauty device, in order to produce pulsed light with sufficient intensity in a short period of time, capacitors are used to power the light emitting device. All the energy stored in the capacitors is converted into a pulsed light with high intensity to achieve energy superposition. However, the high energy produced during the single discharge process makes a user feel discomfort, such as stinging, resulting in poor user experience.
[0036] Embodiments of this application provide a beauty device, which is non-invasive, including a control device, a light emitting device, and a capacitor device. The control device is configured to, in a light emitting window, control the capacitor device to discharge, so that the light emitting device sequentially produces a first pulsed light, a second pulsed light, and a third pulsed light to irradiate on a user’s skin; the first pulsed light is separated from the second pulsed light by a first preset duration, and the second pulsed light is separated from the third pulsed light by a second preset duration; in which a ratio of energy of the first pulsed light to energy of the third pulsed light is less than or equal to a first threshold, a ratio of energy of the second pulsed light to the energy of the third pulsed light is less than or equal to a second threshold, the first preset duration is less than or equal to a third threshold, and the second preset duration is less than or equal to a fourth threshold, so that energy superposition of the first pulsed light, the second pulsed light, and the third pulsed light is achieved.
[0037] The beauty device produces the first pulsed light to irradiate on the user’s skin through the discharge of the capacitor device, then produces the second pulsed light to irradiate on the user’s skin through the discharge of the capacitor device, and finally produces the third pulsed light to irradiate on the user’s skin through the discharge of the capacitor device once more, so that energy superposition is achieved through multiple discharges, which prevents the user from feeling discomfort due to high energy and avoid the skin from being subjected to high temperature caused by prolonged exposure to the light emitting device, thereby improving user experience. In addition, according to the beauty device, the first pulsed light is configured to irradiate on the user’s skin, then the second pulsed light is configured to irradiate on the user’s skin once irradiation of the first pulsed light is stopped for the first preset duration, and the third pulsed light is configured to irradiate on the user’s skin, once irradiation of the second pulsed light is stopped for the second preset duration. The first preset duration is less than or equal to the third threshold and the second preset duration is less than or equal to the fourth threshold, which ensures the skin has not completely cooled down or the temperature of the skin has not yet dropped to a preset cooling value due to the heat produced from absorption of the pulsed light, when supplementary light is applied. In other words, supplementary light is applied before the skin has completely cooled down or before the temperature of the skin has dropped to a preset cooling value due to the heat produced from absorption of the pulsed light, thereby improving the energy utilization efficiency of the beauty device and achieving heat superposition. Furthermore, the ratio of the energy of the first pulsed light to the energy of the third pulsed light is less than or equal to the first threshold, and the ratio of the energy of the second pulsed light to the energy of the third pulsed light is less than or equal to the second threshold, so that the skin is exposed to light with low energy multiple times for preheating, and then exposed to light with high energy, which allows the temperature of the skin to gradually increase, avoiding the user from feeling discomfort, such as stinging, due to rapid temperature rise, thereby further enhancing user experience.
[0038] Furthermore, between the first pulsed light and the second pulsed light, as well as between the second pulsed light and the third pulsed light, the control device controls the charging device to charge the capacitor device.
[0039] Specifically, in the beauty device, the capacitor device is discharged to produce the first pulsed light to irradiate on the user’s skin, then the capacitor device is charged by the charging device, the capacitor device is discharged to produce the second pulsed light to irradiate on the user’s skin, and finally the capacitor device is charged by the charging device, and the capacitor device is discharged to produce the third pulsed light to irradiate on the user’s skin. In this way, charging is performed during intervals between flashes of light.
[0040] Please refer to Figure 1, which is a schematic diagram of a structure of a beauty device according to an embodiment of this application. As shown in Figure 1, the beauty device includes a control device, a light emitting device, and a capacitor device.
[0041] The control device is connected to the capacitor device to control the capacitor device. For example, the control device includes a microprocessor (such as MCU) and a timing control module connected to the microprocessor. The microprocessor is configured to receive a trigger signal from a user input module or internal program and generate a control signal based on preset control logic. The timing control module controls a discharge process of the capacitor device based on the control signal output by the microprocessor. Specifically, the above process includes: after receiving a discharge trigger signal, the capacitor device is controlled to discharge at a first time point to drive a light emitter to generate a first pulse light; after a first preset duration following the first time point, the capacitor device is controlled to discharge again to drive the light emitter to generate a second pulsed light; after the second preset duration following the second time point, the capacitor device is controlled to discharge for a third time to drive the light emitter to generate a third pulsed light, thereby achieving the effect of multiple pulse lights sequentially irradiating on the user’s skin. The description of the control device is only exemplary and does not constitute a limitation on the structure of the control device.
[0042] The capacitor device includes one or more capacitors. The capacitor device is connected to the light emitting device, so that the light emitting device is powered through the discharge of capacitors within the capacitor device, that is, powered by the capacitors within the capacitor device, thereby enabling the light emitting device to produce pulsed light to irradiate on the user’s skin.
[0043] In some embodiments, the control device is connected to the light emitting device. The control device controls the working state of the light emitting device. For example, when the light emitting device is powered by the capacitor device, the control device controls the working state of the light emitting device.
[0044] The light emitting device is capable of producing pulsed light. The light emitting device includes a lamp tube, a bulb, or other devices capable of producing pulsed light.
[0045] The characteristics of the pulsed light produced by the light emitting device varies depending on the functions of the beauty device. For a same beauty device, pulsed light produced by the light emitting device varies depending on the settings of the beauty device. For a same beauty device, pulsed light produced by the light emitting device varies depending on the functions of the beauty device.
[0046] The varying pulsed light produced by the light emitting device is understood as different types of light for use, or is understood as the pulsed light with different amplitudes and / or pulse widths. The varying pulsed light produced by the light emitting device is also understood as both the different types of light for use and the pulsed light with different amplitudes and / or pulse widths.
[0047] The light used in the beauty device is IPL (Intense Pulsed Light) or other types of light, such as DPL (Dual Pulsed Light) .
[0048] In a light emitting window, the capacitor device is controlled by the control device to discharge, so that the light emitting device sequentially produces a first pulsed light, a second pulsed light, and a third pulsed light to irradiate on a user’s skin. A ratio of energy of the first pulsed light to energy of the third pulsed light is less than or equal to a first threshold, a ratio of energy of the second pulsed light to the energy of the third pulsed light is less than or equal to a second threshold, a first preset duration is less than or equal to a third threshold, and a second preset duration is less than or equal to a fourth threshold, so that energy superposition of the first pulsed light, the second pulsed light, and the third pulsed light is achieved.
[0049] The light emitting window is understood as a time window. A working time of the beauty device includes one light emitting window or multiple light emitting windows. In the case that the working time of the beauty device includes multiple light emitting windows, the working modes of the beauty device are the same or different at different light emitting windows. In the following embodiments of this application, taking the working modes of the beauty device at different light emitting windows being the same as an example to illustrate.
[0050] The capacitor device is first controlled by the control device to discharge, so that the light emitting device produces the first pulsed light to irradiate on the user’s skin. Once the irradiation of the first pulsed light is stopped for the first preset duration, the capacitor device is controlled to discharge again, so that a second light emitter produces the second pulsed light to irradiate on the user’s skin. Once the irradiation of the second pulsed light is stopped for the second preset duration, the capacitor device is controlled to discharge again, so that a third light emitter produces the third pulsed light to irradiate on the user’s skin.
[0051] Thus, after the light emitting device of the beauty device produces the first pulsed light to irradiate on the user’s skin, the light emitting device is not controlled to produce the second pulsed light to irradiate on the user’s skin immediately. Instead, after the first preset duration (i.e., the irradiation of the first pulsed light is stopped for the first preset duration) , the light emitting device is controlled to produce the second pulsed light to irradiate on the user’s skin. Similarly, after the light emitting device of the beauty device produces the second pulsed light to irradiate on the user’s skin, the light emitting device is not controlled to produce the second pulsed light to irradiate on the user’s skin immediately. Instead, after the second preset duration (i.e., the irradiation of the second pulsed light is stopped for the second preset duration) , the light emitting device is controlled to produce the third pulsed light to irradiate on the user’s skin. After the light emitting device produces each pulsed light to irradiate on the user’s skin, the light emitting device, after a period of time, produces a next pulsed light to irradiate on the user’s skin, which prevents the user from feeling discomfort due to high energy and avoids the skin from being subjected to high temperature caused by exposure to the pulse light continuously produced by the light emitting device.
[0052] In some embodiments, the beauty device further includes a timer. When the first pulsed light is stopped irradiating, the beauty device activates the timer to start counting. When the timer works for the first preset duration, the beauty device controls the light emitting device to produce the second pulsed light to irradiate on the user’s skin. Similarly, when the second pulsed light is stopped irradiating, the beauty device activates the timer to start counting. When the timer works for the second preset duration, the beauty device controls the light emitting device to produce the third pulsed light to irradiate on the user’s skin.
[0053] In one case that a starting time of the timer is set to the first preset duration (or the second preset duration) , once the timer starts counting, that is, the timer starts counting down, and when the time on the timer is 0, it is determined that the timer has been working for the first preset duration (or the second preset duration) .
[0054] In another case that the start time of the timer is set to 0, when the time on the timer is the first preset duration (or the second preset duration) , it is determined that the timer has been working for the first preset duration (or the second preset duration) .
[0055] The first preset duration is less than or equal to the third threshold, and the second preset duration is less than or equal to the fourth threshold, so that energy superposition of the first pulsed light, the second pulsed light, and the third pulsed light is achieved.
[0056] Because the first preset duration is less than or equal to the third threshold, after the beauty device produces the first pulsed light to irradiate on the user’s skin, the beauty device, after the first preset duration, continues to produce the second pulsed light to irradiate on the user’s skin before the skin has completely cooled down or before the temperature of the skin has dropped to a preset cooling value. Similarly, because the second preset duration is less than or equal to the fourth threshold, after the beauty device produces the second pulsed light to irradiate on the user’s skin, the beauty device, after the second preset duration, continues to produce the third pulsed light to irradiate on the user’s skin before the skin fully cools down or before the skin has completely cooled down or before the temperature of the skin has dropped to the preset cooling value. Therefore, energy superposition is achieved, thus the energy utilization efficiency of the beauty device is increased.
[0057] The energy utilization efficiency of the beauty device is inversely proportional to the third threshold. The larger the third threshold, the longer the waiting time after the beauty device produces the first pulsed light to irradiate on the user’s skin, the more heat produced from the absorption of the first pulsed light by the skin is dissipated. When the beauty device produces the second pulsed light to irradiate on the user’s skin, the lower the temperature of the skin, the less energy is accumulated in the skin after the third pulsed light irradiates on the skin, thus the lower energy utilization efficiency. Otherwise, the smaller the third threshold, the shorter the waiting time after the beauty device produces the first pulsed light to irradiate on the user’s skin, the less heat produced from the absorption of the first pulsed light by the skin is dissipated. When the beauty device produces the second pulsed light to irradiate on the user’s skin, the higher the temperature of the skin, the more energy is accumulated in the skin after the second pulsed light irradiates on the skin, thus the higher energy utilization efficiency, that is, the better the heat superposition effect.
[0058] Similarly, the energy utilization efficiency of the beauty device is inversely proportional to the fourth threshold. The larger the fourth threshold, the longer the waiting time after the beauty device produces the second pulsed light to irradiate on the user’s skin, the more heat produced from the absorption of the second pulsed light by the skin is dissipated. When the beauty device produces the third pulsed light to irradiate on the user’s skin, the lower the temperature of the skin, the less energy is accumulated in the skin after the third pulsed light irradiates on the skin, thus the lower energy utilization efficiency. Otherwise, the smaller the fourth threshold, the shorter the waiting time after the beauty device produces the second pulsed light to irradiate on the user’s skin, the less heat produced from the absorption of the second pulsed light by the skin is dissipated. When the beauty device produces the third pulsed light to irradiate on the user’s skin, the higher the temperature of the skin, the more energy is accumulated in the skin after the third pulsed light irradiates on the skin, thus the higher energy utilization efficiency, that is, the better the heat superposition effect.
[0059] In some embodiments, the third threshold is in a range of 0.3 s to 0.5 s, which ensures that the second pulsed light is applied before the energy of the first pulsed light decreases to a preset value, effectively achieving energy superposition.
[0060] For example, the third threshold can be 0.31 s, 0.32 s, 0.33 s, 0.34 s, 0.35 s, 0.36 s, 0.37 s, 0.38 s, 0.39 s, 0.4 s, 0.41 s, 0.42 s, 0.43 s, 0.44 s, 0.45 s, 0.46 s, 0.47 s, 0.48 s, 0.49 s, or 0.5 s.
[0061] In other embodiments, the third threshold is in a range of 0.35 s to 0.45 s, which further ensures that the second pulsed light is applied before the energy of the first pulsed light decreases to below a preset value, effectively achieving energy superposition.
[0062] For example, the third threshold can be 0.35 s, 0.36 s, 0.37 s, 0.38 s, 0.39 s, 0.4 s, 0.41s, 0.42 s, 0.43 s, 0.44 s, or 0.45 s.
[0063] In some embodiments, the fourth threshold is in a range of 0.45 s to 0.75 s, which ensures that the third pulsed light is applied before the energy of the second pulsed light decreases to a preset value, effectively achieving energy superposition.
[0064] For example, the fourth threshold can be 0.45 s, 0.5 s, 0.55 s, 0.6 s, 0.65 s, 0.7 s, or 0.75 s.
[0065] In some embodiments, the fourth threshold is in a range of 0.5 s to 0.7 s, which ensures that the third pulsed light is applied before the energy of the second pulsed light decreases to a preset value, effectively achieving energy superposition.
[0066] For example, the fourth threshold can be 0.52 s, 0.54 s, 0.56 s, 0.58 s, 0.6 s, 0.62 s, 0.64 s, 0.66 s, 0.68 s, or 0.7 s.
[0067] It should be understood that the above are exemplary descriptions of the third threshold and the fourth threshold, which are not limited thereto. For example, the third threshold can be 0.361 s, and the fourth threshold can be 0.51 s.
[0068] The third threshold decreases sequentially from 0.5 s to 0.3 s, or from 0.45 s to 0.35 s, and the corresponding energy utilization efficiency of the beauty device increases sequentially. The specific value of the third threshold is determined according to actual requirements.
[0069] The fourth threshold decreases sequentially from 0.75 s to 0.45 s, or from 0.7 s to 0.5 s, and the corresponding energy utilization efficiency of the beauty device increases sequentially. The specific value of the fourth threshold is determined according to actual requirements.
[0070] For example, in the case that the user’s skin is insensitive, and the skin tolerance of the user is great, the third threshold is set to 0.35 s, and the fourth threshold is set to 0.5 s. After the irradiation of the first pulsed light is stopped for a short period of time, the beauty device continues to produce the second pulsed light to irradiate on the skin, and after the irradiation of the second pulsed light is stopped for a short period of time, the beauty device continues to produce the third pulsed light to irradiate on the skin, so that rapid energy superposition in the skin is achieved.
[0071] In contrast, in the case that the user’s skin is very sensitive, and the skin tolerance of the user is poor, the third threshold is set to 0.45 s, and the fourth threshold is set to 0.7 s. After the irradiation of the first pulsed light is stopped for a long period of time, the beauty device continues to produce the second pulsed light to irradiate on the skin, and after the irradiation of the second pulsed light is stopped for a long period of time, the beauty device continues to produce the third pulsed light to irradiate on the skin, so that the energy superposition in the skin is slow, thereby avoiding the user’s skin from feeling stinging.
[0072] Therefore, the third threshold and / or the fourth threshold are varied based on the usage scenarios of the beauty device. Therefore, different third thresholds and / or the fourth thresholds are set for different usage scenarios of the beauty device.
[0073] In some embodiments, the first preset duration is shorter than the second preset duration.
[0074] The first preset duration is shorter than the second preset duration, i.e., the second preset duration is longer than the first preset duration, so that the temperature of the user’s skin decreases slightly after the light emitting device produces the second pulsed light to irradiate on the use’s skin, avoiding the situation where the temperature of the skin is high after the light emitting device produces the third pulsed light to irradiate on the use’s skin, thereby avoiding the user from feeling discomfort due to high energy and improving user experience.
[0075] In some embodiments, the first threshold is in a range of 0.04 to 0.18, so that a good preheating effect is achieved.
[0076] For example, the first threshold can be 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, or 0.18.
[0077] In some embodiments, the first threshold is in a range of 0.06 to 0.12, so that a better preheating effect is achieved.
[0078] For example, the first threshold can be 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, or 0.12.
[0079] It should be understood that the above is an exemplary description of the first threshold, which is not limited thereto. For example, the first threshold can be 0.065.
[0080] In some embodiments, the second threshold is in a range of 0.04 to 0.18, so that a good preheating effect is achieved.
[0081] For example, the second threshold can be 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, or 0.18.
[0082] In some embodiments, the second threshold is in a range of 0.06 to 0.12, so that a better preheating effect is achieved.
[0083] For example, the second threshold can be 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, or 0.12.
[0084] It should be understood that the above is an exemplary description of the second threshold, which is not limited thereto. For instance, the second threshold can be 0.075.
[0085] Therefore, both the first threshold and the second threshold are less than 1, and preferably less than 0.2, indicating that energy of the first pulsed light and energy of the second pulsed light are both smaller than energy of the third pulsed light. Therefore, the beauty device first produces two pulsed lights with low energy to irradiate on the user’s skin for preheating to allow the user to adapt to the pulsed lights with low energy, and then the beauty device produces pulsed light with high energy to irradiate on the user’s skin to allow the temperature of the skin to gradually increase, avoiding the user from feeling discomfort, such as stinging caused by direct irradiation of pulsed light with high energy on the user’s skin, thereby further enhancing user experience.
[0086] In some embodiments, the first threshold can be smaller than the second threshold.
[0087] In some embodiments, the energy of the first pulsed light, the energy of the second pulsed light, and the energy of the third pulsed light increase sequentially.
[0088] In the case that the first threshold is smaller than the second threshold, or in the case that the energy of the first pulsed light, the energy of the second pulsed light, and the energy of the third pulsed light increase sequentially, the energy of the three pulsed lights increases gradually, the beauty device produces pulsed lights with continuously increasing energy to irradiate on the user’s skin to allow the user to gradually adapt to the energy of the pulsed lights, which causes the temperature of the skin increase gradually and avoid the user from feeling discomfort due to a rapid increase in the temperature of the skin, thereby further improving user experience.
[0089] In the case that the amplitudes of the pulsed lights are the same, the energy of the pulsed light is directly proportional to the pulse width of the pulsed light. That is, the larger the pulse width of the pulsed light, the greater the energy of the pulsed light. Otherwise, the smaller the pulse width of the pulsed light, the smaller the energy of the pulsed light.
[0090] Therefore, in the case that the amplitudes of the pulsed lights are the same, the pulse width of the third pulsed light is greater than the pulse width of the first pulsed light and the pulse width of the second pulsed light.
[0091] In some embodiments, the pulse width of the first pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.75 ms, which allows the first pulsed light to have sufficient energy for preheating while avoiding high energy.
[0092] For example, the pulse width of the first pulsed light can be 0.35 ms, 0.4 ms, 0.45 ms, 0.5 ms, 0.55 ms, 0.6 ms, 0.65 ms, 0.7 ms, or 0.75 ms.
[0093] In some embodiments, the pulse width of the first pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.65 ms, which allows the first pulsed light to have sufficient energy for preheating while avoiding high energy.
[0094] For example, the pulse width of the first pulsed light can be 0.45 ms, 0.5 ms, 0.55 ms, 0.6 ms, or 0.65 ms.
[0095] It should be understood that the above is an exemplary description of the pulse width of the first pulsed light, which is not limited thereto. For instance, the pulse width of the first pulsed light can be 0.46 ms.
[0096] Thus, the pulse width of the first pulsed light is small, which ensures that the energy irradiating on the skin is low to preheat the skin, avoiding direct irradiation of the skin with high energy.
[0097] In some embodiments, the pulse width of the second pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.8 ms, which allows the second pulsed light to have sufficient energy for preheating while avoiding high energy.
[0098] For example, the pulse width of the second pulsed light can be 0.35 ms, 0.4 ms, 0.45 ms, 0.5 ms, 0.55 ms, 0.6 ms, 0.65 ms, 0.7 ms, 0.75 ms, or 0.8 ms.
[0099] In some embodiments, the pulse width of the second pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.7 ms.
[0100] For example, the pulse width of the second pulsed light can be 0.45 ms, 0.5 ms, 0.55 ms, 0.6 ms, 0.65 ms, or 0.7 ms.
[0101] It should be understood that the above is an exemplary description of the pulse width of the second pulsed light, which is not limited thereto. For example, the pulse width of the second pulsed light is 0.56 ms.
[0102] Thus, the pulse width of the second pulsed light is small, which ensures that the energy irradiating on the skin is low to preheat the skin, avoiding direct irradiation of the skin with high energy.
[0103] In some embodiments, the pulse width of the third pulsed light is greater than or equal to 4.55 ms and less than or equal to 8.55 ms, which allows the third pulsed light to have sufficient energy for skin treatment (such as hair removal or skin rejuvenation, etc. ) .
[0104] For example, the pulse width of the third pulsed light can be 4.55 ms, 5.05 ms, 5.55 ms, 6.05 ms, 6.55 ms, 7.05 ms, 7.55 ms, 8.05 ms, or 8.55 ms.
[0105] In some embodiments, the pulse width of the third pulsed light is greater than or equal to 5.1 ms and less than or equal to 7.45 ms.
[0106] For example, the pulse width of the third pulsed light is 5.1 ms, 5.5 ms, 6.0 ms, 6.5 ms, 7.0 ms, or 7.45 ms.
[0107] It should be understood that the above is an exemplary description of the pulse width of the third pulsed light, which is not limited thereto. For instance, the pulse width of the third pulsed light is 5.2 ms.
[0108] Thus, the energy of the third pulsed light is high, which ensures that the pulsed light with high energy irradiates on the skin after preheating, allowing the skin to absorb sufficient heat to achieve the desired cosmetic effects.
[0109] In some embodiments, the first threshold is directly proportional to the third threshold. That is, the larger the first threshold, the larger the third threshold. Otherwise, the smaller the first threshold, the smaller the third threshold.
[0110] In the case that a ratio of the energy of the first pulsed light to the energy of the third pulsed light is large, the energy of the first pulsed light is high, the temperature of the skin after being irradiated, and the waiting time is long to avoid the skin from being subjected to high temperature. In the case that the ratio of the energy of the first pulsed light to the energy of the third pulsed light is small, the energy of the first pulsed light is low, and the temperature of the skin after being irradiated is low, so the waiting time is short, thereby achieving energy superposition.
[0111] In some embodiments, the second threshold is directly proportional to the fourth threshold. That is, the larger the second threshold, the larger fourth threshold. Otherwise, the smaller the second threshold, the smaller the fourth threshold.
[0112] In the case that a ratio of the energy of the second pulsed light to the energy of the third pulsed light is large, the energy of the second pulsed light is high, the temperature of the skin temperature after being irradiated is high, and the waiting time is long to avoid the skin from being subjected to high temperature. In the case that the ratio of the energy of the second pulsed light to the energy of the third pulsed light is small, the energy of the second pulsed light is low, and the temperature of the skin after being irradiated is low, so the waiting time is short, thereby achieving energy superposition.
[0113] In some embodiments, a time interval between a next light emitting window adjacent to the light emitting window and the third pulsed light is greater than or equal to 1.25 s and less than or equal to 3 s.
[0114] For example, the time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light can be 1.25 s, 1.3 s, 1.4 s, 1.5 s, 1.6 s, 1.7 s, 1.8 s, 1.9 s, 2.0 s, 2.1 s, 2.2 s, 2.3 s, 2.4 s, 2.5 s, 2.6 s, 2.7 s, 2.8 s, 2.9 s, or 3 s.
[0115] It should be understood that the above is an exemplary description of the time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light, and which is not limited thereto. For instance, the time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light is 1.35 s.
[0116] Thus, the time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light is large, so that the heat accumulated in the skin from the first pulsed light, the second pulsed light, and the third pulsed light is partially or completely dissipated, avoiding the user’s skin from feeling discomfort due to high temperature caused by excessive heat accumulation, and improving user experience.
[0117] In some embodiments, during the operation of the beauty device, the beauty device works periodically with the light emitting window as a period. The time interval between adjacent light emitting windows can be zero or not zero.
[0118] In the case that the time interval between adjacent light emitting windows is zero, the beauty device works periodically with the light emitting window as the period.
[0119] In the case that the time interval between adjacent light emitting windows is not zero, the beauty device works periodically with the light emitting window plus the time interval between adjacent two light emitting windows as the period.
[0120] During the operation of the beauty device, the beauty device works periodically with the third preset duration as the period.
[0121] In the case that the time interval between adjacent light emitting windows is zero, the third preset duration is the sum of the pulse width of the first pulsed light, the first preset duration, the pulse width of the second pulsed light, the second preset duration, the pulse width of the third pulsed light, and the time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light, i.e., the duration of the light emitting window.
[0122] In some embodiments, in the case that the time interval between the light emitting windows is not zero, the time interval between adjacent light emitting windows is a fourth preset duration. The third preset duration is the sum of the fourth preset duration and the duration of the light emitting window.
[0123] The time interval between the next light emitting window adjacent to the light emitting window and the third pulsed light is a difference between the third preset duration and the sum of the fourth preset duration, the pulse width of the first pulsed light, the first preset duration, the pulse width of the second pulsed light, the second preset duration, and the pulse width of the third pulsed light.
[0124] In the case that the time interval between the light emitting windows of the beauty device is not zero, the beauty device does not produce pulsed light irradiating on the skin between adjacent light emitting windows, so that the power consumption of the beauty device is reduced.
[0125] In some embodiments, a ratio of the pulse width of the first pulsed light to the first preset duration is in a range of 0.0008 to 0.003 to allow the energy carried by the first pulsed light to be associated with the first preset duration, thereby avoiding the energy of the second pulsed light from being applied before the energy of the first pulsed light decreases to a preset value, and effectively achieving energy superposition.
[0126] For example, the ratio of the pulse width of the first pulsed light to the first preset duration can be 0.0008, 0.001, 0.0012, 0.0014, 0.0016, 0.0018, 0.002, 0.0022, 0.0024, 0.0026, 0.0028, or 0.003.
[0127] It should be understood that the above is an exemplary description of the ratio of the pulse width of the first pulsed light to the first preset duration, which is not limited thereto. For instance, the ratio of the pulse width of the first pulsed light to the first preset duration is 0.0023.
[0128] In some embodiments, a ratio of the pulse width of the second pulsed light to the second preset duration is in a range of 0.0007 to 0.002 to allow the energy carried by the second pulsed light to be associated with the second preset duration, thereby avoiding the energy of the third pulsed light from being applied before the energy of the second pulsed light decreases to a preset value, and effectively achieving energy superposition.
[0129] For example, the ratio of the pulse width of the second pulsed light to the second preset duration can be 0.0007, 0.0008, 0.0009, 0.001, 0.0011, 0.0012, 0.0013, 0.0014, 0.0015, 0.0016, 0.0017, 0.0018, 0.0019, or 0.002.
[0130] Thus, the duration of each light irradiation of the beauty device is shorter than the waiting time after the light irradiation is stopped to avoid excessive energy superposition in the skin, preventing the user’s skin from feeling discomfort due to high temperature, thereby further improving user experience.
[0131] In some embodiments, a discharge time of the capacitor device is directly proportional to a charge time of the capacitor device.
[0132] Since the discharge time of the capacitor device is directly proportional to the charge time of the capacitor device, the longer the charge time of the capacitor device, the longer the discharge time of the capacitor device. Otherwise, the shorter the charge time of the capacitor device, the shorter the discharge time of the capacitor device.
[0133] The capacitor device is configured to power the light emitting device. In order to ensure that the power of the capacitor is sufficient to power the light emitting device, the charge time of the capacitor device is required to be long.
[0134] In some embodiments, the beauty device can be set to multiple settings. The third threshold and / or the fourth threshold are varied depending on the settings of the beauty device. Users select the third threshold and / or the fourth threshold according to their needs. For example, users select different settings based on the sensitivity of their skin to select different third thresholds and / or fourth thresholds.
[0135] The beauty device further includes a setting selection device. The user selects a required setting through the setting selection device. In response to the user’s operation of selecting a target setting from the multiple available settings through the setting selection device, the third threshold and / or the fourth threshold is determined based on the target setting, and the first threshold is determined based on the third threshold, and the second threshold is determined based on the fourth threshold.
[0136] Referring to Figure 2, which is a schematic diagram of a structure of another beauty device according to an embodiment of this application. The beauty device shown in Figure 2 is an optimization of the beauty device shown in Figure 1. As shown in Figure 2, the beauty device further includes a charging device.
[0137] The charging device is connected to both the control device and the capacitor device, so that the charging device is controlled by the control device to charge the capacitors in the capacitor device and stop charging the capacitors in the capacitor device.
[0138] The charging device is controlled by the control device to charge the capacitor device between the first pulsed light and the second pulsed light, as well as between the second pulsed light and the third pulsed light. Therefore, during flash intervals of the light source, the capacitors in the capacitor device are charged, so that the power of the capacitors in the capacitor device is sufficient to power the light emitting device, thereby ensuring that the light emitting device produces the second pulsed light and the third pulsed light irradiating on the user’s skin.
[0139] Referring to Figure 3, which is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application. The beauty device shown in Figure 3 is an optimization of the beauty device shown in Figure 2. As shown in Figure 3, the light emitting device includes a first light emitter, a second light emitter, and a third light emitter. The capacitor device is connected to the first light emitter, the second light emitter, and the third light emitter.
[0140] The first light emitter, the second light emitter, and the third light emitter are devices that produce pulsed lights. The first light emitter, the second light emitter, and the third light emitter include lamps, light bulbs, and other devices that produce pulsed lights. Specifically, the first light emitter, the second light emitter, and the light emitter each include a light source component, a driving circuit, and a power supply port connected to a capacitor device.
[0141] The light source component is configured to produce a pulsed light with a specific wavelength, which is selected from light emitting diodes (LEDs) , laser diodes (LDs) , or other narrow pulse light sources suitable for skin irradiation. It is preferred to use LED arrays with different centre wavelengths to provide pulsed light irradiation with different wavelengths or intensities. The preferred light source component is an LED array with different centre wavelengths, whose emission wavelengths cover a spectral range from 400 nm to 1200 nm.
[0142] The driving circuit is electrically connected to the capacitor device and is configured to respond to a discharge control signal of the control device, driving a corresponding light source component to emit light at a moment of discharge of the capacitor device.
[0143] The various light emitters are connected to the microprocessor through signal control lines to achieve sequential excitation according to preset timing. The light emitters can be independently packaged in structure or integrated into a same light-emitting array but controlled by partitioning the light-emitting areas. The description of the first light emitter, the second light emitter, and the third light emitter is only exemplary and does not constitute a limitation on the structure of the first light emitter, the second light emitter, and the third light emitter.
[0144] In a light emitting window, the capacitor device is first controlled by the control device to discharge, so that the first light emitter produces the first pulsed light to irradiate on the user’s skin. Once the irradiation of the first pulsed light is stopped for the first preset duration, the capacitor device is controlled to discharge again, so that the second light emitter produces the second pulsed light to irradiate on the user’s skin. Once the irradiation of the second pulsed light is stopped for the second preset duration, the capacitor device is controlled to discharge again, so that the third light emitter produces the third pulsed light to irradiate on the user’s skin.
[0145] Therefore, the first pulsed light, the second pulsed light, and the third pulsed light are produced by different light emitters, avoiding mutual influence among different light emitters.
[0146] Since the energy of the third pulsed light is greater than the energy of the first pulsed light and the energy of the second pulsed light, the working time required to produce the third pulsed light by a light emitter is longer than the working time required to produce the first pulsed light and the second pulsed light. In the case that the third light emitter of the beauty device continuously produces the third pulsed light, in order to ensure the normal operation of the beauty device, the lifespan of the third light emitter is required to longer than that of the first light emitter and the second light emitter, and performance requirements for the third light emitter is accordingly higher.
[0147] Generally, the performance and lifespan of the first light emitter, the second light emitter, and the third light emitter are the same. In the case that the third light emitter of the beauty device produces the third pulsed light all the time, the third light emitter will be damaged first, requiring frequent replacements of the third light emitter.
[0148] In some embodiments, in another light emitting window, the capacitor device is first controlled by the control device to discharge, so that the third light emitter produces the first pulsed light to irradiate on the user’s skin. Once the irradiation of the first pulsed light is stopped for the first preset duration, the capacitor device is controlled to discharge again, so that the second light emitter produces the second pulsed light to irradiate on the user’s skin. Once the irradiation of the second pulsed light is stopped for the second preset duration, the capacitor device is controlled to discharge again, so that the first light emitter produces the third pulsed light to irradiate on the user’s skin. The light emitting window is adjacent to the another light emitting window.
[0149] In some embodiments, in yet another light emitting window, the capacitor device is first controlled by the control device to discharge, so that the first light emitter produces the first pulsed light to irradiate on the user’s skin. Once the irradiation of the first pulsed light is stopped for the first preset duration, the capacitor device is controlled to discharge again, so that the third light emitter produces the second pulsed light to irradiate on the user’s skin. Once the irradiation of the second pulsed light is stopped for the second preset duration, the capacitor device is controlled to discharge again, so that the second light emitter produces the third pulsed light to irradiate on the user’s skin. The yet another light emitting window is adjacent to the another light emitting window, but not adjacent to the light emitting window.
[0150] Therefore, in the embodiments of the subject application, the first light emitter, the second light emitter, and the third light emitter alternately produce the third pulsed light to irradiate on the user’s skin, avoiding the situation where the first light emitter, the second light emitter, or the third light emitter is damaged due to the continuous production of the third pulsed light irradiating on the user’s skin. Different light emitters alternately produce the first pulsed light, the second pulsed light, and the third pulsed light to irradiate on the user’s skin to make the lifespans of the first light emitter, the second light emitter, and the third light emitter as similar as possible, ensuring the normal operation of the beauty device and avoiding frequent replacements of the light emitters.
[0151] Referring to Figure 4, which is a schematic diagram of a structure of yet another beauty device according to according to an embodiment of this application. The beauty device shown in Figure 4 is an optimization of the beauty device shown in Figure 3. As shown in Figure 4, the capacitor device includes a first capacitor C1, a second capacitor C2, and a third capacitor C3. The first capacitor C1 is connected between the charging device and the first light emitter, the second capacitor C2 is connected between the charging device and the second light emitter, and the third capacitor C3 is connected between the charging device and the third light emitter.
[0152] The charging device charges the first capacitor C1, the second capacitor C2, and the third capacitor C3. The first capacitor C1 powers the first light emitter, the second capacitor C2 powers the second light emitter, and the third capacitor C3 powers the third light emitter.
[0153] In some embodiments, the first capacitor C1 is first controlled by the control device to discharge the first light emitter, so as to power the first light emitter, so that the first light emitter produces the first pulsed light to irradiate on the user’s skin. After the first light emitter produces the first pulsed light, the first capacitor C1 is controlled to stop discharging the first light emitting device, that is, to disconnect a connection circuit between the first capacitor C1 and the first light emitter.
[0154] For example, the capacitor device includes a first switch. The first capacitor C1 is connected to the first light emitter via the first switch. The control device is connected to the first switch. The first switch is controlled to be turned on to connect the connection circuit between the first capacitor C1 and the first light emitter, so that the first capacitor C1 discharges the first light emitter. The first switch is controlled by the control device to be turned off to disconnect the connection circuit between the first capacitor C1 and the first light emitter, so that the first capacitor C1 is stopped discharging the first light emitter.
[0155] Afterward, the charging device is controlled by the control device to charge the first capacitor C1, so that the first capacitor C1 is charged after the first capacitor C1 is discharged, so that the first capacitor C1 has enough power for future use. Additionally, during a process of the charging device charging the first capacitor C1, the charging device is controlled by the control device to charge or not to charge the second capacitor C2 and / or third capacitor C3.
[0156] Once the irradiation of the first pulsed light is stopped for the first preset duration, then the second capacitor C2 is controlled by the control device to discharge the second light emitter so as to power the second light emitter, so that the second light emitter produces the second pulsed light irradiating on the user’s skin. After the second light emitter produces the second pulsed light, the second capacitor C2 is controlled to stop discharging the second light emitter, that is, to disconnect a connection circuit between the second capacitor C2 and the second light emitter.
[0157] For example, the capacitor device further includes a second switch. The second capacitor C2 is connected to the second light emitter via the second switch. The control device is connected to the second switch. The second switch is controlled to be turned on to connect the connection circuit between the second capacitor C2 and the second light emitter, enabling the second capacitor C2 to discharge the second light emitter. The second switch is controlled by the control device to be turned off to disconnect the connection circuit between the second capacitor C2 and the second light emitter, so that the second capacitor C2 is stopped discharging the second light emitter.
[0158] Afterwards, the charging device is controlled by the control device to charge the second capacitor C2. That is, after the second capacitor C2 is discharged, the second capacitor C2 is charged so that the second capacitor C2 has enough power for the next use. Additionally, during the process of the charging device charging the second capacitor C2, the charging device is controlled by the control device to charge or to not charge the first capacitor C1 and / or third capacitor C3.
[0159] Once the irradiation of the second pulsed light is stopped for the second preset duration, the third capacitor C3 is controlled by the control device to discharge the third light emitter, so that the third light emitter produces the third pulsed light irradiating on the user’s skin.
[0160] For example, the capacitor device further includes a third switch. The third capacitor C3 is connected to the third light emitter via the third switch. The control device is connected to the third switch. The third switch is controlled to be turned on to connect a connection circuit between the third capacitor C3 and the third light emitter, allowing the third capacitor C3 to discharge the third light emitter. The beauty device is controlled to be turned off the third switch to disconnect the connection circuit between the third capacitor C3 and the third light emitter, so that the third capacitor C3 discharging the third light emitter.
[0161] In some embodiments, in another light emitting window, the third capacitor C3 is controlled by the control device to discharge the third light emitter, so that the third light emitter produces the first pulsed light irradiating on the user’s skin. The third capacitor C3 is controlled to be stopped discharging the third light emitter. The charging device is controlled to charge the third capacitor C3. Once the irradiation of the first pulsed light is stopped for the first preset duration, the second capacitor C2 is controlled to discharge the second light emitter, so that the second light emitter produces the second pulsed light irradiating on the user’s skin. The second capacitor C2 is controlled to be stopped discharging the second light emitter. The charging device is controlled to charge the second capacitor C2. Once the irradiation of the second pulsed light is stopped for the second preset duration, the first capacitor C1 is controlled to discharge the first light emitter, so that the first light emitter produces the third pulsed light irradiating on the user’s skin. A detailed description of the process is referred to the above description.
[0162] Referring to Figure 5, which is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application. The beauty device shown in Figure 5 is an optimization of the beauty device shown in Figure 3. As shown in Figure 5, the capacitor device includes a fifth capacitor C5. One terminal of the fifth capacitor C5 is connected to the charging device, while the other terminal is connected to the first light emitter, the second light emitter, and the third light emitter.
[0163] The fifth capacitor C5 is charged by the charging device, and the first light emitter, the second light emitter, and the third light emitter are powered by the fifth capacitor C5 to ensure the first light emitter, the second light emitter, and the third light emitter produce pulsed lights.
[0164] Therefore, one capacitor is configured to control the charging of the first light emitter, the second light emitter, and the third light emitter, which reduces the number of components and complexity of the beauty device, thereby saving cost.
[0165] In some embodiments, the fifth capacitor C5 is controlled by the control device to discharge the first light emitter so as to power the first light emitter, so that the first light emitter produces the first pulsed light irradiating on the user’s skin. Once the first light emitter produces the first pulsed light, the fifth capacitor C5 is controlled to be stopped discharging the first light emitter to disconnect a connection circuit between the fifth capacitor C5 and the first light emitter.
[0166] For example, the capacitor device includes a fourth switch. The fifth capacitor C5 is connected to the first light emitter via the fourth switch. The control device is connected to the fourth switch. The fourth switch is controlled to be turned on to connect the connection circuit between the fifth capacitor C5 and the first light emitter, so that the fifth capacitor C5 discharges the first light emitter. The fourth switch is controlled by the control device to be turned off to disconnect the connection circuit between the fifth capacitor C5 and the first light emitter, so that the fifth capacitor C5 is stopped discharging the first light emitter.
[0167] Afterwards, the charging device is controlled by the control device to charge the fifth capacitor C5 for the first preset duration. Since the fifth capacitor C5 discharges the first light emitter, to ensure that the fifth capacitor C5 has sufficient power for the next use, during the waiting time of the first preset duration, the charging device is controlled by the control device to charge the fifth capacitor C5.
[0168] Once the irradiation of the first pulsed light is stopped for the first preset duration, the charging device is first controlled by the control device to stop charging the fifth capacitor C5, and then the fifth capacitor C5 is controlled to discharge the second light emitter, so that the second light emitter produces the second pulsed light irradiating on the user’s skin.
[0169] For example, the capacitor device includes a fifth switch. The fifth capacitor C5 is connected to the second light emitter via the fifth switch. The control device is connected to the fifth switch. The fifth switch is controlled to be turned on to connect a connection circuit between the fifth capacitor C5 and the second light emitter, so that the fifth capacitor C5 discharges the second light emitter. The fifth switch is controlled by the control device to be turned off to disconnect the connection circuit between the fifth capacitor C5 and the second light emitter, so that the fifth capacitor C5 is stopped discharging the second light emitter.
[0170] Once the irradiation of the second pulsed light is stopped for the second preset duration, the charging device is controlled by the control device to stop charging the fifth capacitor C5. Then, the fifth capacitor C5 is controlled to discharge the third light emitter, so that the third light emitter produces the third pulsed light irradiating on the user’s skin.
[0171] For example, the capacitor device further includes a sixth switch. The fifth capacitor C5 is connected to the third light emitter via the sixth switch. The control device is connected to the sixth switch. The sixth switch is controlled to be turned on to connect a connection circuit between the fifth capacitor C5 and the third light emitter, so that the fifth capacitor C5 discharge the third light emitter. The sixth switch is controlled by the control device to be turned off to disconnect the connection circuit between the fifth capacitor C5 and the third light emitter, so that the fifth capacitor C5 is stopped discharging the third light emitter.
[0172] In some embodiments, the fifth capacitor C5 is first controlled by the control device to discharge the third light emitter, so that the third light emitter produces the first pulsed light irradiating on the user’s skin. Afterwards, the fifth capacitor C5 is controlled to be stopped discharging the third light emitter. The charging device is controlled to charge the fifth capacitor C5 for the first preset duration. Then, the fifth capacitor C5 is controlled to discharge the second light emitter, so that the second light emitter produces the second pulsed light irradiating on the user’s skin. Afterwards, the fifth capacitor C5 is controlled to be stopped discharging the second light emitter. The charging device is controlled to charge the fifth capacitor C5 for the second preset duration. The charging device is controlled to be stopped charging the fifth capacitor, the fifth capacitor C5 is controlled to discharge the first light emitter, so that the first light emitter produces the third pulsed light irradiating on the user’s skin. A detailed description is referred to the above description.
[0173] Referring to Figure 6, which is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application. The beauty device shown in Figure 6 is an optimization of the beauty device shown in Figure 2. As shown in Figure 6, the capacitor device includes a fourth capacitor C4. One terminal of the fourth capacitor C4 is connected to the charging device, and the other terminal of the fourth capacitor C4 is connected to the light emitting device.
[0174] In one light emitting window, the fourth capacitor C4 is first controlled by the control device to discharge so that the light emitting device produces the first pulsed light irradiating on the user’s skin. Afterwards, the charging device is controlled to charge the fourth capacitor C4. Once the irradiation of the first pulsed light is stopped for the first preset duration, the charging device is controlled to be stopped charging the fourth capacitor C4. Then, the fourth capacitor C4 is controlled to discharge again so that the light emitting device produces the second pulsed light irradiating on the user’s skin. Afterwards, the charging device is controlled to charge the fourth capacitor C4. Once the irradiation of the second pulsed light is stopped for the second preset duration, the charging device is controlled to be stopped charging the fourth capacitor C4.The fourth capacitor C4 is controlled to discharge again, so that the light emitting device produce the third pulsed light irradiating on the user’s skin.
[0175] Therefore, one capacitor and one light source are used, which reduces the number of components and simplifying the beauty device, thereby saving cost.
[0176] Referring to Figure 7, which is a schematic diagram of a structure of a charging device according to an embodiment of this application. As shown in Figure 7, the charging device includes a power input circuit and a voltage collection circuit.
[0177] In some embodiments, both terminals of the first capacitor C1, the second capacitor C2, and the third capacitor C3 are respectively connected to the power input circuit and the voltage collection circuit.
[0178] In some embodiments, both terminals of the fourth capacitor C4 are respectively connected to the power input circuit and the voltage collection circuit.
[0179] In some embodiments, both terminals of the fifth capacitor C5 are respectively connected to the power input circuit and the voltage collection circuit.
[0180] The power input circuit is controlled by the control device to charge the first capacitor C1, the second capacitor C2, and the third capacitor C3, and the power input circuit is also controlled by the control device to charge the fourth capacitor C4, and the power input circuit is also controlled by the control device to charge the fifth capacitor C5.
[0181] The power input circuit is a voltage converter or a power adapter, etc. Through connecting to an external power source, the power input circuit converts the voltage and outputs a preset power supply to the first capacitor C1, the second capacitor C2, and the third capacitor C3, or to the fourth capacitor C4, or to the fifth capacitor C5. For example, the power input circuit is connected to an external AC or DC power source, converts the voltage, and outputs 24V DC to the first capacitor C1, the second capacitor C2, and the third capacitor C3, or to the fourth capacitor C4, or to the fifth capacitor C5, to provide DC charging power to the first capacitor C1, the second capacitor C2, and the third capacitor C3, or to the fourth capacitor C4, or to the fifth capacitor C5.
[0182] The voltage collection circuit is controlled by the control device to collect the voltage of the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5. In the case that the voltage collected by the voltage collection circuit exceeds a preset voltage, the power input circuit is controlled to be stopped charging the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5.
[0183] Real-time voltage of the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 is monitored by the voltage collection circuit. When the voltage of the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 reaches the preset voltage, it is considered that the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 is fully charged, and the power input circuit is controlled to be stopped charging the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 to prevent overcharging.
[0184] The control device also charges the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 according to a preset time. In this case, the charging device does not include the voltage collection circuit. When the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 is charged by the power input circuit for the preset time, it is considered that the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, or the fifth capacitor C5 is fully charged.
[0185] In some embodiments, the charging device includes a power input circuit and one or more switches, and the switches are connected between the power input circuit and the capacitor of the charging device. The control device is connected to the one or more switches. The charging of the corresponding capacitor is controlled by turning on the switches. The charging of the corresponding capacitor is stopped by turning off the switches.
[0186] Referring to Figure 8, which is a schematic diagram of a structure of another charging device according to an embodiment of this application. The charging device shown in Figure 8 is an optimization of the charging device shown in Figure 7. As shown in Figure 8, the charging device also includes a voltage regulation circuit and a power conversion circuit.
[0187] The voltage regulation circuit is connected to the power input circuit and the control device respectively. The voltage regulation circuit is configured to convert the first supply voltage output from the power input circuit into a second supply voltage and provide the second supply voltage to the control device. The second supply voltage is less than the first supply voltage. In some embodiments, the first supply voltage output by the power input circuit is 24V and the second supply voltage is 15V, which is not limited thereto.
[0188] The power conversion circuit is connected between the power input circuit and the first capacitor C1, the second capacitor C2, and the third capacitor C3, or between the power input circuit and the fourth capacitor C4, or between the power input circuit and the fifth capacitor C5. The first supply voltage from the power input circuit is converted by the power conversion circuit into a third supply voltage and the third supply voltage is provided to the first capacitor C1, the second capacitor C2, and the third capacitor C3, or the fourth capacitor C4, or the fifth capacitor C5 for charging. The third supply voltage is greater than the first supply voltage.
[0189] Referring to Figure 9, which is a schematic diagram of a structure of yet another charging device according to an embodiment of this application. The charging device shown in Figure 9 is an optimization of the charging device shown in Figure 7. As shown in Figure 9, the charging device also includes a voltage regulation circuit and a power conversion circuit.
[0190] The voltage regulation circuit is connected between the power input circuit and the power conversion circuit, and the power conversion circuit is connected between the voltage regulation circuit and the capacitor device. The second supply voltage output from the voltage regulation circuit is converted by the power conversion circuit into a third supply voltage and the third supply voltage is provided to the capacitor for charging. In some embodiments, the adjustable range for the third supply voltage is between 260V and 320V.
[0191] Referring to Figure 10, which is a schematic diagram of a structure of a power input circuit according to an embodiment of this application. As shown in Figure 10, the power input circuit includes a power input unit J1, a voltage regulation diode D1, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, and a first inductor L1.
[0192] The power input unit J1 is configured to receive power from an external power source and output a first supply voltage. The power input unit J1 is connected to the voltage regulation circuit via the first inductor L1.
[0193] In some embodiments, the power input unit J1 is connected to an external AC or DC power source and output the first supply voltage to the voltage regulation circuit.
[0194] In some embodiments, the first supply voltage output by the power input unit J1 is converted by the voltage regulation circuit into a second supply voltage and the second supply voltage is provided to the control device.
[0195] The voltage regulation diode D1 and the sixth capacitor C6 are connected in parallel, with one terminal connected between the power input unit J1 and the first inductor L1, and the other terminal grounded. The seventh capacitor C7 and the eighth capacitor C8 are connected in parallel, with one terminal connected between the first inductor L1 and the voltage regulation circuit, and the other terminal grounded. One terminal of the eighth capacitor C8 is further connected to the first power network V24D.
[0196] Referring to Figure 11, Figure 11 is a schematic diagram of a structure of the voltage collection circuit according to an embodiment of this application. As shown in Figure 11, the voltage collection circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a ninth capacitor C9, and a collection terminal V400_ADC.
[0197] The first resistor R1, the second resistor R2, and the third resistor R3 are connected in series. The other terminal of the first resistor R1 is connected to a second power network V400V. The other terminal of the third resistor R3 is grounded. One terminal of the fourth resistor R4 is connected between the second resistor R2 and the third resistor R3, and the other terminal of the fourth resistor R4 is connected to the collection terminal V400_ADC. The collection terminal V400_ADC is connected between the second resistor R2 and the third resistor R3, and is configured to collect a voltage division between the second resistor R2 and the third resistor R3 to obtain a collection voltage. One terminal of the ninth capacitor C9 is connected to the other terminal of the fourth resistor R4, and the other terminal of the ninth capacitor C9 is grounded. Therefore, the voltage division between the second resistor R2 and the third resistor R3 is collected by the voltage collection circuit to obtain the collection voltage and the collection voltage is fed back to the control device.
[0198] Referring to Figure 12, Figure 12 is a schematic diagram of a structure of a power conversion circuit according to an embodiment of this application. As shown in Figure 12, the power conversion circuit includes a transformer T1, an energy storage filtering sub-circuit, and a power control unit. A first input terminal 1 of the transformer T1 is connected to a drive pin of the power control unit, and a second input terminal 2 of the transformer T1 is grounded. A first output terminal 3 of the transformer T1 is connected to the energy storage filtering sub-circuit, and a second output terminal 4 of the transformer T1 is connected to the capacitor device, specifically to the capacitor within the capacitor device.
[0199] In some embodiments, the energy storage filtering sub-circuit is a capacitor group, which is not limited thereto. The capacitor group includes multiple capacitors connected in parallel. The energy storage filtering sub-circuit is configured to store energy. One terminal of the multiple capacitors connected in parallel is connected to the first power network V24D, while the other terminal of the multiple capacitors connected in parallel is grounded.
[0200] A driving signal is output by the drive pin of the power control unit so that the second supply voltage is converted by the transformer into a third supply voltage and the third supply voltage is output to the capacitor device so as to charge the capacitor device. In some embodiments, the power control unit is a chip with power control functionality.
[0201] Please refer to Figure 13, which is a schematic diagram of a structure of a voltage regulation circuit according to an embodiment of this application. As shown in Figure 13, the voltage regulation circuit includes a voltage regulation unit U1, a tenth capacitor C10, and an eleventh capacitor C11. One terminal of the voltage regulation unit U1 is connected to the power input circuit, and the other terminal of the voltage regulation unit U1 is connected to the power pin VCC of the power control unit. One terminal of the tenth capacitor C10 is connected between the voltage regulation unit U1 and the power input circuit, and the other terminal of the tenth capacitor C10 is grounded. One terminal of the eleventh capacitor C11 is connected between the voltage regulation unit U1 and the power pin VCC of the power control unit, and the other terminal of the eleventh capacitor C11 is grounded.
[0202] In some embodiments, the voltage regulation unit U1 is, but is not limited to, a DC-DC converter or a Low Dropout regulator (LDO) .
[0203] Referring to Figure 14, which is a schematic diagram of a structure of yet another beauty device according to an embodiment of this application. As shown in Figure 14, the beauty device further includes a switching device. A first terminal of the switching device is connected to the light emitting device, and a second terminal is grounded.
[0204] The control device controls the first and second terminals of the switching device to be turned on, so that the capacitor device discharges the light emitting device, thereby producing the pulsed light from the light emitting device.
[0205] The control device sends a turn-on instruction to the switching device to control the first and second terminals of the switching device to be turned on. The capacitor device forms a circuit with the ground through the switching device, so that the circuit is closed. The closed circuit allows the electrical energy stored in the capacitor to flow to the light emitting device, providing necessary energy for the light emitting device, so that the light source is flashed.
[0206] In some embodiments, the beauty device further includes a voltage conversion circuit. The capacitor device is connected to the light emitting device via the voltage conversion circuit, and the capacitor device is further connected to the switching device via the voltage conversion circuit. The capacitor device is configured to store and release electrical energy. Once the electrical energy is released by the capacitor device, it can be used to provide working electrical energy for the light emitting device. The switching device is configured to make the voltage conversion circuit to be turned on in response to the received enable signal. In some embodiments, the switching device is controlled by the enable signal to switch between different states, such as ON state or OFF state, thus controlling the on or off of the voltage conversion circuit.
[0207] Referring to Figure 15, which is a schematic diagram of a structure of a voltage conversion circuit according to an embodiment of this application. As shown in Figure 15, the voltage conversion circuit includes a reserve unit 902 and a transformer T2.
[0208] The reserve unit 902 is connected to the capacitor device. The reserve unit 902 is configured to obtain a first operating voltage from the capacitor device to store electrical energy. The transformer T2 is connected between the reserve unit 902 and the light emitting device. The transformer T2 is configured to obtain a first operating voltage from the reserve unit 902, convert the first operating voltage to a second operating voltage, and output the second operating voltage to the light emitting device so that the light emitting device produces pulsed light. In some embodiments, the reserve unit 902 obtains electrical energy from the capacitor device and temporarily stores the electrical energy. When the reserve unit 902 releases the electrical energy to the transformer T2, the reserve unit outputs the electrical energy at the first operating voltage.
[0209] The reserve unit 902 includes a twelfth capacitor C12, a thirteenth capacitor C13, a fifth resistor R5, and a sixth resistor R6.
[0210] The fifth resistor R5 and the sixth resistor R6 are connected between the capacitor device and an input terminal of the transformer T2. The fifth resistor R5 and the sixth resistor R6 are connected in parallel. The twelfth capacitor C12 and the thirteenth capacitor C13 are connected in parallel. The fifth resistor R5 and the sixth resistor R6 connected in parallel are connected in series with the twelfth capacitor C12 and thirteenth capacitor C13 connected in parallel. The twelfth capacitor C12 and the thirteenth capacitor C13 are configured to obtain the first operating voltage output from the capacitor device to store electrical energy. In some embodiments, one terminal of the fifth resistor R5 and one terminal of the sixth resistor R6 are connected to the first power network V400V, and the capacitor device is further connected to the first power network V400V. Therefore, one terminal of the sixth resistor R6 and one terminal of the seventh resistor R7 are connected to the capacitor through the first power network V400V.
[0211] The transformer T2 includes an input terminal, an output terminal, and a ground terminal. The output terminal of the transformer is connected to the light source, and the ground terminal of the transformer is grounded.
[0212] The switching device includes, but is not limited to, an Insulated-Gate Bipolar Transistor (IGBT) .
[0213] In the case that the switching device is an IGBT, the IGBT includes a control terminal, a first terminal, and a second terminal. In the following, taking the switching device being an IGBT Q1 as an example for illustration, the control terminal of IGBT Q1 is connected to the driving device, and receives the enable signal through the driving device. The first terminal of IGBT Q1 is connected to the voltage conversion circuit, and the second terminal of IGBT Q1is grounded. Once the control terminal of IGBT Q1 receives the enable signal, the first and second terminals of IGBT Q1 are turned on.
[0214] Specifically, the IGBT Q1 is configured so that, once the enable signal is received by the control terminal of IGBT Q1, the IGBT Q1 is turned on, so that the electrical energy stored in the twelfth capacitor C12 and the thirteenth capacitor C13 is output to the input terminal of the transformer T2. The first operating voltage is converted by the transformer T2 into the second operating voltage and the second operating voltage is output to the light source through the output terminal, so that the light source is flashed.
[0215] Please refer to Figure 16, which is a schematic diagram of a structure of a driving device according to an embodiment of this application. As shown in Figure 16, the driving device includes a signal receiving terminal 922, a first switching unit 924, and a second switching unit 926.
[0216] The signal receiving terminal 922 receives an enable signal. The first switching unit 924 is connected between the signal receiving terminal 922 and the second switching unit 926. The second switching unit 926 is connected between the first switching unit 924 and the switching device. Once the enable signal is received by the signal receiving terminal 922, the first switching unit 924 is turned on, and the second switching unit 926 is subsequently turned on, so that the switching device is controlled to be turned on.
[0217] The first switching unit 924 includes a first switching device Q2, a seventh resistor R7, and an eighth resistor R8. A controlled terminal of the first switching device Q2 is connected to the signal receiving terminal 922. A first terminal of the first switching device Q2 is grounded, and a second terminal of the first switching device Q2 is connected to the second switching unit 926 via the eighth resistor R8. The seventh resistor R7 is connected between the controlled terminal and the first terminal of the first switching device Q2. Once the signal receiving terminal 922, the first and second terminals of the first switching device Q2 are turned on. In some embodiments, the first switching device Q2 is, but is not limited to, a metal oxide semiconductor (MOS) transistor. The controlled terminal of the first switching device Q2 is a gate, the first terminal of the first switching device Q2 is a source, and the second terminal of the first switching device Q2 is a drain.
[0218] The second switching unit 926 includes a second switching device Q3, a ninth resistor R9, and a tenth resistor R10. A controlled terminal of the second switching device Q3 is connected to the second terminal of the first switching device Q2 via the eighth resistor R8. A first terminal of the second switching device Q3 is connected to the controlled terminal via the ninth resistor R9, and a second terminal of the second switching device Q3 is connected to the switching device via the tenth resistor R10. In some embodiments, the second terminal of the second switching device Q3 is connected to the controlled terminal of IGBT Q1 via the tenth resistor R10. Once the first and second terminals of the first switching device Q2 are turned on, the first and second terminals of the second switching device Q3 are also turned on. In some embodiments, the second switching device Q3 is, a MOS transistor, which is not limited thereto. The controlled terminal of the second switching device Q3 is a gate, the first terminal of the second switching device Q3 is a source, and the second terminal of the second switching device Q3 is a drain.
[0219] As shown in Figure 16, the driving device further includes a first filtering unit 927 and a first protection unit 928.
[0220] The first filtering unit 927 is connected between the signal receiving terminal 922 and the first switching unit 924. The first filtering unit 927 filters signals, such as the enable signal, received by the signal receiving terminal 922. The first protection unit 928 is connected between the second switching unit 926 and the switching device. The first protection unit 928 is configured to protect the switching device, such as preventing the switching device from being impacted by overcurrent or overvoltage signals.
[0221] The first filtering unit 927 includes a fourth diode D4, a fourteenth capacitor C14, and an eleventh resistor R11. The eleventh resistor R11 is connected between the signal receiving terminal 922 and the controlled terminal of the first switching device Q2. One terminal of the fourth diode D4 is connected between the signal receiving terminal 922 and the eleventh resistor R11, and the other terminal of the fourth diode D4 is grounded. The fourteenth capacitor C14 is connected in parallel with the fourth diode D4. One terminal of the fourteenth capacitor C14 is connected between the signal receiving terminal 922 and the eleventh resistor R11, and the other terminal of the fourteenth capacitor C14 is grounded. The other terminal of the fourteenth capacitor C14 and the other terminal of the fourth diode D4 are further grounded through a fourteenth resistor R14.
[0222] The first protection unit 928 includes a rectifier diode D5, a twelfth resistor R12, a fifteenth capacitor C15, and a thirteenth resistor R13. One terminal of the rectifier diode D5 is connected between the tenth resistor R10 and the switching device. The same terminal of the rectifier diode D5 is further grounded through the fifteenth capacitor C15 and the thirteenth resistor R13, while the other terminal of the rectifier diode D5 is grounded. In some embodiments, the one terminal of the rectifier diode D5 is connected between the tenth resistor R10 and the control terminal of IGBT Q1. The twelfth resistor R12 is connected in parallel with the rectifier diode D5. One terminal of the twelfth resistor R12 is connected between the tenth resistor R10 and the switching device, and the other terminal of the twelfth resistor R12 is grounded. In some embodiments, the one terminal of the twelfth resistor R12 is connected between the tenth resistor R10 and the control terminal of IGBT Q1.
[0223] Please refer to Figure 17, which shows a schematic diagram of a structure of yet another charging device according to an embodiment of the present application. As shown in Figure 17, the charging device also includes a third switching unit, and one terminal, connected to the light source, of the capacitor device is grounded. The third switching unit is connected between the power control unit and the transformer T1.
[0224] The third switching unit includes a Metal Oxide Semiconductor (MOS) transistor, which is not limited thereto.
[0225] In the case that the third switching unit is a MOS transistor, the MOS transistor Q4 includes a control terminal, a first terminal, and a second terminal. In the following, taking the third switching unit being the MOS transistor Q4 as an example for illustration.
[0226] The control terminal of the MOS transistor Q4 is connected to the drive pin of the power control unit via the fifteenth resistor R15. The first terminal of the MOS transistor Q4 is connected to the first input terminal of the transformer T1, and the first terminal of the MOS transistor Q4 is grounded via a sixteenth capacitor C16. The second terminal of the MOS transistor Q4 is grounded via a resistor group 91. In some embodiments, the resistor group 91 includes several resistors connected in parallel, such as two resistors connected in parallel.
[0227] Based on the above structure, the beauty device receives a flash signal.
[0228] Charging signals and discharging signals are sent to the charging device and switching device by the control device based on the flash signal, respectively, to control the switching device and the third switching unit to be turned on or off in a predetermined manner, where the ON / OFF state of the switching device is opposite to the ON / OFF state of the third switching unit.
[0229] The ON / OFF state of the switching device being opposite to the ON / OFF state of the third switching unit means that once the switching device is turned on, the third switching unit is controlled to be turned off. When the capacitor device discharges the light emitting device to enable the operation of the light emitting device, the connection between the charging device and the capacitor device is switched off to prevent the charging process from occurring simultaneously. When the operation of the light emitting device is completed, the switching device is controlled to be turned off and the third switching unit is controlled to be turned on, whereupon charging of the capacitor device is initiated to provide energy for the next light emitting process of the light emitting device.
[0230] The ON / OFF state of the switching device and the third switching unit are controlled based on the flash signal, so that the charging and discharging of the pulsed light equipment are managed.
[0231] Ordinary skilled in the art can understand that the modules, units, and devices in the above embodiments can be implemented in hardware form, such as through integrated circuits to achieve corresponding functions, or in the form of software functional modules. For example, their corresponding functions can be achieved by executing programs / instructions stored in memory through a processor. The present application is not limited to any specific form of combination of hardware and software.
[0232] Ordinary technical person in this field understand that modules, units, and devices in the above embodiments can be implemented in hardware form, such as through integrated circuits to achieve corresponding functions, or in a form of software functional modules. For example, corresponding functions is achieved by executing programs / instructions stored in memory through a processor. The present invention is not limited to any specific form of combination of hardware and software.
[0233] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application which is not limited thereto. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art understands that modifications to the technical solutions described in the embodiments, or equivalent replacements of some technical features, can still be made without departing from the essence and scope of the technical solutions of the present application.
Claims
1.A beauty device, comprising a control device, a light emitting device, and a capacitor device;wherein the control device is configured to,in a first light emitting window,control the capacitor device to discharge, so that the light emitting device sequentially produces a first pulsed light, a second pulsed light, and a third pulsed light irradiating on a user’s skin; the first pulsed light is separated from the second pulsed light by a first preset duration, and the second pulsed light is separated from the third pulsed light by a second preset duration;wherein a ratio of energy of the first pulsed light to energy of the third pulsed light is less than or equal to a first threshold, a ratio of energy of the second pulsed light to energy of the third pulsed light is less than or equal to a second threshold, the first preset duration is less than or equal to a third threshold, and the second preset duration is less than or equal to a fourth threshold, so that energy superposition is achieved by the first pulsed light, the second pulsed light, and the third pulsed light; andwherein the first threshold is less than or equal to 1, and the second threshold is less than or equal to 1.2.The beauty device according to claim 1, wherein the energy of the first pulsed light, the energy of the second pulsed light, and the energy of the third pulsed light increase sequentially.3.The beauty device according to claim 1 or 2, wherein the first threshold is less than the second threshold; and / or the first preset duration is less than the second preset duration.4.The beauty device according to any one of claims 1 to 3, wherein the first threshold is in a range of 0.04 to 0.18; and preferably, the first threshold is in a range of 0.06 to 0.12.5.The beauty device according to any one of claims 1 to 4, wherein the second threshold is in a range of 0.04 to 0.18; and preferably, the second threshold is in a range of 0.06 to 0.12.6.The beauty device according to any one of claims 1 to 5, wherein the third threshold is in a range of 0.3 s to 0.5 s; and preferably, the third threshold is in a range of 0.35 s to 0.45 s.7.The beauty device according to any one of claims 1 to 6, wherein the fourth threshold is in a range of 0.45 s to 0.75 s; and preferably, the fourth threshold is in a range of 0.5 s to 0.7 s.8.The beauty device according to any one of claims 1 to 7, wherein a pulse width of the first pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.75 ms; and preferably, the pulse width of the first pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.65 ms.9.The beauty device according to any one of claims 1 to 8, wherein a pulse width of the second pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.8 ms; and preferably, the pulse width of the second pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.7 ms.10.The beauty device according to any one of claims 1 to 9, wherein a pulse width of the third pulsed light is greater than or equal to 4.55 ms and less than or equal to 8.55 ms; and preferably, the pulse width of the third pulsed light is greater than or equal to 5.1 ms and less than or equal to 7.45 ms.11.The beauty device according to any one of claims 1 to 10, wherein a time interval between a second light emitting window adjacent to the first light emitting window and the third pulsed light is greater than or equal to 1.25 s and less than or equal to 3 s.12.The beauty device according to any one of claims 1 to 11, wherein a ratio of a pulse width of the first pulsed light to the first preset duration is in a range of 0.0008 to 0.003.13.The beauty device according to any one of claims 1 to 12, wherein a ratio of a pulse width of the second pulsed light to the second preset duration is in a range of 0.0007 to 0.002.14.The beauty device according to any one of claims 1 to 13, wherein a discharge time of the capacitor device is directly proportional to a charge time of the capacitor device.15.The beauty device according to claim 1 or 2, wherein the first threshold is in a range of 0.04 to 0.18; and / or,the second threshold is in a range of 0.04 to 0.18; and / or,the first threshold is less than the second threshold; and / or,the third threshold is in a range of 0.3 s to 0.5 s; and / or,the fourth threshold is in a range of 0.45 s to 0.75 s; and / or,the first preset duration is less than the second preset duration.16.The beauty device according to claim 1, 2, or 15, wherein a pulse width of the first pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.75 ms; and / ora pulse width of the second pulsed light is greater than or equal to 0.35 ms and less than or equal to 0.8 ms; and / ora pulse width of the third pulsed light is greater than or equal to 4.55 ms and less than or equal to 8.55 ms.17.The beauty device according to claim 1 or 2, wherein the first threshold is in a range of 0.06 to 0.12; and / orthe second threshold is in a range of 0.06 to 0.12; and / orthe third threshold is in a range of 0.35 s to 0.45 s; and / orthe fourth threshold is in a range of 0.5 s to 0.7 s.18.The beauty device according to any one of claims 1, 2, 15 to 17, wherein a pulse width of the first pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.65 ms; and / ora pulse width of the second pulsed light is greater than or equal to 0.45 ms and less than or equal to 0.7 ms; and / ora pulse width of the third pulsed light is greater than or equal to 5.1 ms and less than or equal to 7.45 ms.19.The beauty device according to any one of claims 1, 2, 15 to 18, wherein a time interval between a second light emitting window adjacent to the first light emitting window and the third pulsed light is greater than or equal to 1.25 s and less than or equal to 3 s; and / ora ratio of a pulse width of the first pulsed light to the first preset duration is in a range of 0.0008 to 0.003; and / ora ratio of a pulse width of the second pulsed light to the second preset duration is in a range of 0.0007 to 0.002; and / ora discharge time of the capacitor device is directly proportional to a charge time of the capacitor device.20.The beauty device according to any one of claims 1, 2, 15 to 19, wherein the beauty device further comprises a charging device, and the control device is further configured to,control the charging device to charge the capacitor device between the first pulsed light and the second pulsed light, as well as between the second pulsed light and the third pulsed light.21.The beauty device according to any one of claims 1, 2, 15 to 20, wherein the light emitting device comprises a first light emitter, a second light emitter, and a third light emitter, and the control device is configured to,control the capacitor device to discharge, so that the first light emitter produces the first pulsed light irradiating on the user’s skin;once irradiation of the first pulsed light is stopped for the first preset duration, control the capacitor device to discharge, so that the second light emitter produces the second pulsed light irradiating on the user’s skin; andonce irradiation of the second pulsed light is stopped for the second preset duration, control the capacitor device to discharge, so that the third light emitter produces the third pulsed light irradiating on the user’s skin.22.The beauty device according to claim 21, wherein the capacitor device comprises a first capacitor, a second capacitor, and a third capacitor, and the control device is configured to,control the first capacitor to discharge, so that the first light emitter produces the first pulsed light irradiating on the user’s skin;control the charging device to charge the first capacitor;once the irradiation of the first pulsed light is stopped for the first preset duration, control the second capacitor to discharge, so that the second light emitter produces the second pulsed light irradiating on the user’s skin;control the charging device to charge the second capacitor; andonce the irradiation of the second pulsed light is stopped for the second preset duration, control the third capacitor to discharge, so that the third light emitter produces the third pulsed light irradiating on the user’s skin.23.The beauty device according to claim 21 or 22, wherein the control device is further configured to,in a second light emitting window,control the capacitor device to discharge, so that the third light emitter produces the first pulsed light irradiating on the user’s skin;once the irradiation of the first pulsed light is stopped for the first preset duration, control the capacitor device to discharge, so that the second light emitter produces the second pulsed light irradiating on the user’s skin; andonce the irradiation of the second pulsed light is stopped for the second preset duration, control the capacitor device to discharge, so that the first light emitter produces the third pulsed light irradiating on the user’s skin; andwherein the first light emitting window is adjacent to the second light emitting window.24.The beauty device according to claim 20, wherein the capacitor device comprises a fourth capacitor, and the control device is configured to,control the fourth capacitor to discharge, so that the light emitting device produces the first pulsed light irradiating on the user’s skin;control the charging device to charge the fourth capacitor;once irradiation of the first pulsed light is stopped for the first preset duration, control the charging device to stop charging the fourth capacitor;control the fourth capacitor to discharge, so that the light emitting device produces the second pulsed light irradiating on the user’s skin;control the charging device to charge the fourth capacitor;once irradiation of the second pulsed light is stopped for the second preset duration, control the charging device to stop charging the fourth capacitor; andcontrol the fourth capacitor to discharge, so that the light emitting device produces the third pulsed light irradiating on the user’s skin.
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