JP2008006085A - Beauty equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a beauty appliance capable of monitoring the irradiated surface such as the skin surface any time. <P>SOLUTION: The beauty appliance comprises a light irradiation part 6 with a light emitting diode 6a with the light emission peak in the wavelength band of 400-450 nm or 650-900 nm for emitting light in this wavelength band; a distance sensor 8 for detecting the distance between the light irradiation part 6 and the irradiated surface 7; an infrared sensor 9 for detecting the temperature of the irradiated surface 7; a CCD camera 5 for imaging the irradiated surface 7; and a monitor 3 for displaying at least either the image captured by the CCD camera 5 or the image detected by the infrared sensor 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a beauty device that gives a user a cosmetic effect and the like.

Conventionally, as an example of this type of beauty device, an apparatus that includes a light irradiation unit that irradiates light of a predetermined wavelength and an ion generation unit that generates ions and gives a skin beautifying effect (for example, patents) is known. Reference 1).
JP 2005-168894 A

  Since such a conventional beauty apparatus does not include means for appropriately maintaining the distance between the light irradiation unit and the irradiated surface such as the user's skin or scalp, the appropriate distance can be maintained. There may not be. For example, when the skin or the like is too far away from the light irradiation unit, the light irradiation intensity is too weak and it is difficult to obtain a skin beautifying effect. On the other hand, if it is too close, there is a risk that the light irradiation intensity is too strong and adversely affects the skin.

  In addition, even if skin irritations, wrinkles, stains, freckles, etc. are improved by light irradiation, the skin quality improvement effect can only be visually observed, so the skin beautification effect such as skin quality improvement can be easily and easily achieved. There is also a problem that it is difficult to confirm in detail.

  The present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a beauty apparatus capable of monitoring an irradiated surface such as skin as needed.

  A cosmetic device according to claim 1 includes a light emitting diode having a light emitting diode having a light emission peak in a wavelength range of 400 to 450 nm or 650 to 900 nm, and irradiating light in these wavelength ranges; A distance sensor for detecting a distance to the irradiated surface; an infrared sensor for detecting the temperature of the irradiated surface; an imaging device for imaging the irradiated surface; an image captured by the imaging device and an image detected by the infrared sensor And a display device that displays at least one of the display devices.

  The beauty device according to claim 2 is characterized in that the light irradiation unit includes a light source that outputs white light.

  The cosmetic device according to claim 3 is characterized in that the light irradiation unit has a plurality of light emitting diodes arranged in an annular shape, and an imaging device is arranged in the center of the annular arrangement.

  The beauty device according to claim 4 includes an image analysis device that analyzes the state of the irradiated surface based on an image captured by the imaging device and displays the analysis result on the display device. To do.

  According to the beauty device of the first aspect, since the distance (interval) between the light irradiation unit and the irradiated surface such as the skin and scalp can be detected by the distance sensor, the user performs light irradiation based on the detection effect of the distance sensor. The distance (distance) between the surface and the irradiated surface such as the skin can be maintained at an appropriate distance in order to obtain a skin beautifying effect.

  In addition, the user can monitor the surface to be irradiated such as skin with the display device. For this reason, an enlarged or reduced image can be viewed easily and in detail by the display device without directly observing the irradiated surface.

  Furthermore, the temperature distribution on the irradiated surface can be detected by the infrared sensor. For this reason, a temperature part effective in the skin beautifying effect, a harmful temperature part, etc. can be visually recognized with a monitor among irradiated surfaces.

  According to the beauty device of the second aspect, the surface to be irradiated such as skin can be irradiated with white light from the light irradiation unit, so that a visible light image of the surface to be irradiated can be displayed on the display device. For this reason, the image display accuracy of the irradiated surface displayed on the display device can be improved.

  According to the beauty device of the third aspect, since the imaging device is arranged at the center of the annular array of the plurality of light emitting diodes arranged in an annular shape, the periphery of the imaging device can be illuminated by the light irradiation unit. it can. For this reason, since the shadow of the irradiated surface such as the skin imaged by the imaging device can be reduced, the image display accuracy when the imaging is displayed as an image on the display device can be improved.

  According to the beauty device according to claim 4, the analysis result of the image of the surface to be irradiated such as the skin imaged by the imaging device is analyzed by the analysis device, and the analysis results such as the current state of skin wrinkles and stains and the skin beautifying effect by light irradiation, For example, it can be monitored by a display device by numerical values or the like.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same or an equivalent part in several drawing.

  FIG. 1 is a front view of a beauty device body according to an embodiment of the present invention, and FIG. 2 is an overall configuration diagram of the beauty device showing the beauty device body from the side.

  As shown in FIGS. 1 and 2, the beauty device 1 includes, for example, a cylindrical beauty device body 2 and a monitor 3 which is an example of a display device.

  The beauty device main body 2 has a main body case 4 made of a synthetic resin cylindrical body such as PBT (polybutylene terephthalate), and a front surface 4a which is one end surface in the axial direction of the case 4 (left end surface in FIG. 2). A CCD camera 5 as an example of an image pickup apparatus is disposed in the central portion.

  An annular light irradiation unit 6 is provided on the outer periphery of the front surface 4 a of the main body case 4 so as to surround the outer periphery of the CCD camera 5. That is, the light irradiation unit 6 is provided with a plurality of light emitting diodes 6a, 6a, 6a,... Arranged in a plurality of rows at a required pitch in the circumferential direction so as to concentrically surround the outer peripheral side of the front surface of the CCD camera 5. It is comprised by. Each of the light emitting diodes 6a, 6a,... Is disposed on the front surface 4a of the main body case 4 at an angle that irradiates the central portion of the irradiated surface 7 facing the central portion of the annular array with the required light.

  These light emitting diodes 6a, 6a,... Emit blue light having a wavelength of 400 to 450 nm, emit red light to deep color light having a wavelength of 650 to 900 nm, and red to deep red to near infrared. Those that emit light and those that emit white light are mixed.

  As the light emitting diodes 6a, 6a,... That emit blue light, for example, an InGaN system is used, and as the light emitting diodes 6a, 6a,... That emit red to deep red, for example, an AlInGaP system or AlGaAs system is used. For example, a GaAsP system is used as the light emitting diodes 6a, 6a,.

These light emitting diodes 6a, 6a,... Are turned on by a lighting circuit (not shown) so that the irradiation illuminance on a predetermined radiation surface 7 such as skin and scalp is 30 mW / cm ² or more. It is disposed in the main body 2. The lighting circuit is configured to be capable of simultaneously lighting white light and one of the two wavelength regions (400 to 4 nm and 650 to 900 nm), or white light and light of the two wavelength regions, and selects each of these lighting modes. A selection switch (not shown) is provided on the outer surface of the beauty device body 2.

  A distance sensor 8 and an infrared sensor 9 are provided on the front surface of the beauty device main body 2 in the annular gap between the annular light irradiation unit 6 and the front surface of the CCD camera 5 at the center. They are arranged in the vertical direction.

  The distance sensor 8 irradiates the irradiated surface 7 such as the front skin or scalp with infrared light, receives the reflected light reflected by the irradiated surface 7, and the distance between the front surface of the beauty apparatus main body 2 and the irradiated surface 7 ( The detection signal output terminal is connected to the distance sensor signal input terminal of the control arithmetic circuit 10 via the first signal line 11 a in the signal cable 11.

  The infrared sensor 9 irradiates the irradiated surface 7 such as the front skin or scalp with infrared rays, receives the reflected light reflected by the irradiated surface 7 and detects the temperature distribution of the irradiated surface 7. The detection signal output terminal is connected to the infrared sensor signal input terminal of the control arithmetic circuit 10 via the second signal line 11 b in the signal cable 11.

  In addition to the first and second signal lines 11 a and 11 b, the signal cable 11 includes a third signal line 11 c that connects the imaging signal output terminal of the CCD camera 5 to the imaging signal input terminal of the control arithmetic circuit 10. is doing.

  The control arithmetic circuit 10 is a microprocessor, for example, and basically includes a CPU, RAM, VIDEO-RAM, and ROM. A program for controlling the CPU is recorded in the ROM, and the CPU receives external data such as an image pickup signal from the CCD camera 5 and detection signals from the distance sensor 8 and the infrared sensor 9 via the input port according to the program. The calculation processing is performed while fetching or exchanging data with the RAM or VIDEO-RAM, and the processed data is output to the monitor 3 via the output port as necessary. The control arithmetic circuit 10 has a function of displaying the image on the monitor 3 so that the image can be enlarged or reduced based on the image signal from the CCD camera 5. The VIDEO-RAM is a buffer memory in which image pickup signals from the CCD camera 5 are temporarily accumulated.

  In the control arithmetic circuit 10 which is a microprocessor, a program for causing the CPU to execute functions as a distance detection unit, a temperature distribution detection unit, and an image analysis unit is recorded in the ROM.

  The distance detecting means emits infrared light from the distance sensor 8 at a predetermined timing set in advance, and measures the time from the light emission until it is reflected by the irradiated surface 7 and received by the distance sensor 8 again. Thus, the distance from the front surface of the beauty apparatus body 2 to the irradiated surface 7 such as the skin is calculated, and further, the difference between the distance and the optimum distance set in advance is calculated, and these distances are calculated numerically. This function is displayed on the monitor 3. The optimum distance is the optimum distance for obtaining a skin beautifying effect.

  The temperature distribution detecting means irradiates infrared rays from the infrared sensor 9 at a preset timing, reflects an infrared reflected light image reflected by the irradiated surface 7 and received by the infrared sensor 9 again, and colors the temperature difference. This is a function for displaying the temperature distribution on the irradiated surface 7 by color or the like by displaying the color on the monitor 3 by color or the like.

  The image analysis means analyzes the image signal of the irradiated surface 7 such as the skin or scalp imaged by the CCD camera 5 and displays the analysis result on the monitor 3. For example, before and after the light irradiation, necessary image processing such as edge extraction processing for extracting the contour of the image is performed, the image is recognized, skin wrinkles and stains are extracted, the size and the number of each are counted, and the monitor 3 is counted. To display.

  The beauty device body 2 includes a power switch (not shown) for turning on / off the power supply. The power source may be a rechargeable battery or a commercial power source. In the case of a commercial power source, a power supply device (not shown) that converts the AC (alternating current) power into a direct current or a required voltage is disposed in the beauty device main body 2. The power supply device and the battery are arranged in the beauty device main body 2 and connected to the lighting circuit of the light emitting diodes 6a, 6a,..., The distance sensor 8, the infrared sensor 9, and the CCD camera 5, and supply necessary power to them. To do. The beauty device body 2 may be provided with a grip (not shown) that can be gripped so that the beauty device body 2 can be gripped, or the beauty device body 2 may be molded into a table-top placement type that can be placed on a table.

  Therefore, when the power switch (not shown) is turned on with the front surface of the beauty device body 2 of the beauty device 1 directed to a required part such as skin or scalp, all the light emitting diodes 6a, 6a,. The white light emitting diodes 6, 6a,... And at least one of the light emitting diodes 6a, 6a,... In two wavelengths (400 to 450 nm, 650 to 900 nm) emit light, and these lights are irradiated surfaces such as skin. 7 is irradiated. In addition, infrared light which is invisible light is irradiated from the distance sensor 8 and the infrared sensor 9 to the irradiated surface 7 such as skin.

  For this purpose, the infrared light emitted from the distance sensor 8 is applied to the irradiated surface 7 such as the skin, and the reflected light reflected here is received again by the distance sensor 8, and the received light signal is input to the control arithmetic circuit 10. .

  The control arithmetic circuit 10 measures the time from when the distance sensor 8 irradiates infrared rays from the distance sensor 8 to when the reflected light is received by the distance sensor 8 again, and starts skin from the front surface of the beauty device body 2. The distance to the irradiated surface 7 is detected and displayed on the monitor 3 with a numerical value or the like. The detected distance is displayed on the monitor 3 together with the optimum distance and the difference. Therefore, the user can visually recognize the current distance between the beauty apparatus main body 2 and the irradiated surface 7, the optimum distance, and the difference between them by looking at the monitor 3. For this reason, the user can keep the distance between the beauty apparatus main body 2 and the irradiated surface 7 at an optimum distance for the skin beautifying effect described later.

Then, white light and at least one light in a wavelength range of 400 to 450 nm and a wavelength range of 650 to 900 nm are emitted from the plurality of light emitting diodes 6a, 6a,. Irradiated at / cm ² or more.

  In this light irradiation mode, white light and blue light with a wavelength of 400 to 450 nm, white light and red to deep red with a wavelength of 650 to 900 nm, an all-lighting mode in which near infrared light is turned on almost simultaneously, and these lights are individually turned on. These lighting (irradiation) modes are selected by a selection switch (not shown).

  By selecting these lighting (irradiation) modes, when white light and blue light with a wavelength of 400 to 450 nm are irradiated onto the skin and scalp, the latter blue light directly or indirectly sterilizes acne bacteria that cause acne. Can treat acne.

  Furthermore, when the skin is irradiated with white light and light with a wavelength of 650 to 900 nm, the skin stain is improved by the light with a wavelength of 700 to 800 nm in the irradiated light, and the active skin quality is improved. An improvement effect can be produced.

  Furthermore, irradiation with near infrared rays having a wavelength of 800 to 900 nm activates mitochondria, which is a source of cell energy, and thus increases production of ATP, which can promote cell proliferation, increase of collagen, and elastin. This effect is similar to red light having a wavelength of 650 to 700 nm.

Since the light emission of these light emitting diodes 6a, 6a,... Is similar to that of sunlight, the irradiation intensity is weaker and continuous as compared with the laser light. The generated temperature is 60 ° C. or lower. In addition, it is said that thermal denaturation of the cell tissue does not occur until the irradiance is about 136 mW / cm ² .

Therefore, the light-emitting diode 6a, 6a, ... If the so irradiance in a given irradiated surface 7 is less than 30 mW / cm ² or more 136 mW / cm ^2, to activate the mitochondria while preventing thermal denaturation of the skin The above effects can be achieved.

  Further, white light, that is, visible light is emitted from the white light emitting diodes 6 a, 6 a,..., And infrared light is emitted from the infrared sensor 9 to the irradiated surface 7. For this purpose, the infrared reflected light reflected by the irradiated surface 7 is received, and the received light signal is given to the control arithmetic circuit 10.

  Based on the infrared reflected light detection signal, the control arithmetic circuit 10 visualizes the infrared image of the irradiated surface 7 such as the skin and displays the temperature difference on the monitor 3 by color or the like. . For this reason, by viewing this infrared image on the monitor 3, the temperature distribution of the irradiated surface 7 can be easily visually recognized by color.

  Then, the CCD camera 5 captures an image of the irradiated surface 7 irradiated with visible light such as white light, and provides the imaging signal to the control arithmetic circuit 10. The control arithmetic circuit 10 displays a visible light image on the monitor 3 so as to be enlarged or reduced based on the imaging signal. This visible light image may be displayed superimposed on a visualized infrared image showing the temperature distribution. In this case, the temperature distribution of the visible light image can be visually recognized on the monitor 3 by color, so the accuracy of the temperature distribution Can be improved.

  The visible light image is image-analyzed by the image analysis means of the control arithmetic circuit 10, and the number of wrinkles and the number of stains on the surface to be irradiated 7 such as the skin and the size thereof are displayed on the monitor 3.

  Since these image analysis results can be appropriately viewed on the monitor 3 before and after the light irradiation by the light irradiation unit 6, the skin beautifying effects such as acne treatment and active improvement of the skin quality by the light irradiation are visually confirmed. be able to.

  Further, since the distance (interval) between the light irradiation unit 6 and the irradiated surface 7 such as the skin or scalp is detected by the distance sensor 8 and displayed on the monitor 3, the user monitors the detection effect of the distance sensor 8 on the monitor 3. Thus, it is possible to know whether or not the interval (distance) between the light irradiation unit 6 and the irradiated surface 7 such as the skin is an appropriate interval for obtaining a skin beautifying effect.

  Further, since the user can monitor the irradiated surface 7 such as the skin with the monitor 3, the enlarged or reduced image can be viewed easily and in detail with the monitor 3 without directly observing the irradiated surface 7. it can.

  Furthermore, the temperature distribution of the irradiated surface 7 such as the skin detected by the infrared sensor 9 can be viewed on the monitor 3 in a state where the color distribution is performed. For this reason, since an excessive increase in the skin temperature can be monitored by the monitor 3, hair loss due to an excessive increase in the temperature of the hair can be prevented.

  Further, since the irradiated surface 7 such as skin can be irradiated with white light from the light irradiation unit 6, a visible light image of the irradiated surface 7 can be displayed on the monitor 3. For this reason, the image display accuracy of the irradiated surface 7 displayed on the monitor 3 can be improved.

  Since the CCD camera 5 is disposed at the center of the annular array of the plurality of light emitting diodes 6a, 6a,..., The light irradiation unit 6 can illuminate the periphery of the CCD camera 5. it can. For this reason, since the shadow of the irradiated surface 7 such as the skin imaged by the CCD camera 5 can be reduced, the image display accuracy when the imaged image is displayed on the monitor 3 can be improved.

  Further, the control arithmetic circuit 10 analyzes the image of the irradiated surface 7 such as the skin imaged by the CCD camera 5 and monitors the analysis result of the skin wrinkles and stains, the skin beautifying effect by light irradiation, etc., for example, by numerical values. 3 can be displayed.

The front view of the beauty apparatus main body which concerns on one Embodiment of this invention. The whole block diagram which shows the beauty device main body shown in FIG. 1 by the side, and shows the whole beauty device structure.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Beauty apparatus, 2 ... Beauty apparatus main body, 3 ... Monitor, 4 ... Main body case, 5 ... CCD camera, 6 ... Light irradiation part, 6a ... Light emitting diode, 7 ... Irradiation surface, 8 ... Distance sensor, 9 ... Infrared Sensor, 10... Control arithmetic circuit.

Claims (4)

A light irradiating unit that includes a light emitting diode having an emission peak in a wavelength range of 400 to 450 nm or 650 to 900 nm, and irradiates light in these wavelength ranges;
A distance sensor for detecting the distance between the light irradiation unit and the irradiated surface;
An infrared sensor for detecting the temperature of the irradiated surface;
An imaging device for imaging an illuminated surface;
A display device that displays at least one of an image captured by the imaging device and an image detected by the infrared sensor;
A beauty apparatus characterized by comprising: The beauty device according to claim 1, wherein the light irradiation unit includes a light source that outputs white light. The beauty device according to claim 1 or 2, wherein the light irradiation unit includes a plurality of light emitting diodes arranged in a ring shape, and an imaging device is arranged in a central portion of the ring arrangement. An image analysis device for analyzing the state of the irradiated surface based on the image captured by the imaging device and displaying the analysis result on the display device;
The beauty device according to any one of claims 1 to 3, further comprising:

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