TWI785699B - Phototherapy apparatus - Google Patents

Abstract

A phototherapy apparatus used to irradiate a human body, the phototherapy apparatus includes: a light emitting module for emitting an illuminating light to the human body, and the spectrum of the illuminating light is distributed within a preset range; a light intensity sensing module, arranged in the irradiation range of the irradiated light, for sensing a spectral data set corresponding to a plurality of spectral frequency bands in the predetermined range; and a control device that is signally connected to the light intensity sensing module and the light-emitting module to receive the spectral data set, and adjust the light-emitting behavior of the light-emitting module according to the spectral data set.

Description

phototherapy device

This case is a phototherapy device, especially a phototherapy device applied to the surface of human skin.

Phototherapy generally refers to irradiating patients with sunlight or light of a specific wavelength as a light source to regulate skin immunity and stimulate self-healing power. It is known through research that using light sources of different wavelengths to irradiate the human body will have different effects on it. For example, a blue light source can be used to stabilize emotions and concentrate; yellow light (near a wavelength of 570 nm) or red light (near a wavelength of 630 nm) can induce epidermal cells to secrete cytokines and affect the secretion of cytokines in the dermis after irradiating the skin. Fibroblasts, which in turn lead to the reorganization of collagen fibers in the dermis, achieve the effect of skin rejuvenation. It works great for aging skin, uneven skin tone, or fine lines, without serious side effects.

However, there are still some problems to be solved in the actual use of traditional phototherapy equipment: firstly, the phototherapy equipment of traditional phototherapy cannot correctly know the light intensity, because the light produced by traditional phototherapy equipment is not white light with a continuous spectrum, so the use of Generally, the traditional illuminance meter is used to measure the light intensity, but it is impossible to effectively know the light exposure dose. Therefore, traditional phototherapy equipment cannot accurately control the phototherapy exposure dose, which will result in insufficient phototherapy exposure dose and no therapeutic effect, or excessive exposure dose resulting in burn hazards.

And how to solve the lack of traditional phototherapy equipment is the main purpose of developing the technical means of this case. The present invention mainly relates to a phototherapy device for irradiating a human body. The phototherapy device includes: a light emitting module for emitting irradiating light to the human body, and the spectral distribution of the irradiating light is within a preset range; A light intensity sensing module, set in the irradiation range of the irradiating light, is used to sense a spectral data set corresponding to a plurality of spectral frequency bands in the preset range; and a control device, the signal is connected to the light intensity sensor The measuring module and the lighting module are used to receive the spectral data set, and adjust the lighting behavior of the lighting module according to the spectral data set.

According to the above idea, in the phototherapy device described in this case, the light-emitting module includes: a plurality of light source subunits, which are used to respectively emit a plurality of light rays belonging to different wavelength ranges; and a plurality of intensity adjustment units, which are correspondingly electrically connected To the plurality of light source subunits, it is used to independently adjust the light emitting behavior of each light source subunit.

According to the above idea, in the phototherapy device described in this case, the predetermined range of the spectrum distribution of the illumination light emitted by the light emitting module is larger than the visible light range, and the plurality of light source subunits are respectively focused on specific wavelengths of energy It is composed of different light-emitting diode modules or light-emitting tubes, and an independent intensity adjustment unit is set for each light source sub-unit, so as to independently adjust the light-emitting behavior of each light source sub-unit, and the plurality of intensity The regulating unit is a pulse width modulator, a pulse amplitude modulator, a constant voltage regulator or a constant current regulator.

According to the above idea, the phototherapy device described in this case, wherein the light intensity sensing module includes: a casing that can be attached to or close to the user's body surface; a miniature spectrum sensing unit that is arranged in the casing , which is completed by a micro spectrum sensing chip or a combination of a plurality of filters with different bandpass frequencies and a photosensor chip, which is used to detect the intensity of light in a plurality of specific wavelength ranges, and then generate A collection of spectral data corresponding to each spectrum; a spherical scattering head is arranged on a first surface of the housing facing to the light-emitting module, and is used to guide the illumination light emitted by the light-emitting module into the housing in the housing a miniature spectrum sensing unit; and a signal transmission unit arranged in the casing, the signal is connected between the miniature spectrum sensing unit and the control device, and then receives the spectrum data set sent by the miniature spectrum sensing unit and sent to the control device.

According to the above idea, in the phototherapy device described in this case, the control device receives the spectral data set, and controls the plurality of intensity adjustment units respectively according to the spectral data set, so as to independently adjust the light emission of each light source sub-unit Intensity and glow time.

According to the above idea, the phototherapy device described in this case, wherein the light intensity sensing module includes: a housing, which is connected and fixed to the light emitting module by a bracket, so that there is a first distance DF between the two ; A micro-spectrum sensing unit, set in the housing, is completed by a micro-spectrum sensing chip or a combination of a plurality of optical filters with different bandpass frequencies and a photosensor chip, and is used for a plurality of specific The intensity of light in the wavelength range is detected, and then the spectral data set corresponding to each spectrum is generated; a spherical scattering head is arranged on a first surface of the housing facing to the light-emitting module, for the The illumination light emitted by the light-emitting module is guided into the miniature spectrum sensing unit in the casing; a rangefinder, which is arranged on a second surface of the casing facing the human body, for measuring the A second distance between the human body and the light intensity sensing module; and a signal transmission unit arranged in the casing, the signal is connected between the miniature spectrum sensing unit, the distance meter and the control device , and then receive the spectral data set sent by the miniature spectral sensing unit and the second distance measured by the rangefinder and send them to the control device.

According to the above idea, the phototherapy device described in this case, wherein the control device receives the spectral data set and the second distance DX, and calculates to obtain the sum (DX+DF) of the second distance DX and the first distance DF, Then, according to the first distance DF and (DX+DF) and the spectral data set, the intensities corresponding to the respective spectra of the irradiated light emitted by the light-emitting module to the surface of the human body are calculated, and the plurality of intensity adjustment units are respectively Controlling is used to independently adjust the luminous intensity and luminous time of each light source subunit.

Another aspect of this case is a phototherapy device for irradiating a human body. The phototherapy device includes: a light emitting module for emitting irradiating light to the human body, and the spectral distribution of the irradiating light is within a predetermined range; A range finder, installed near the light emitting module, used to measure a distance between the human body and the light emitting module; and a control device, connected to the range finder and the light emitting module, for The distance is received, and the light-emitting behavior of the light-emitting module is adjusted according to the distance.

According to the above idea, the light therapy device described in this case further includes a light intensity sensing module, which is set in the irradiation range of the irradiation light and connected to the control device for sensing the corresponding light intensity in the preset range. A set of spectral data of a plurality of spectral frequency bands is sent to the control device, and the control device adjusts the light-emitting behavior of the light-emitting module according to the set of spectral data and the distance.

According to the idea above, in the phototherapy device described in this case, the light intensity sensing module includes: a housing; a miniature spectrum sensing unit, which is arranged in the housing, and consists of a miniature spectrum sensing chip or a plurality of The combination of optical filters with different bandpass frequencies and photosensor chips is used to detect the intensity of light in a plurality of specific wavelength ranges, and then generate the spectral data set corresponding to each spectrum; a ball A type scattering head, which is arranged on a first surface of the casing facing to the light-emitting module, for guiding the illumination light emitted by the light-emitting module into the miniature spectrum sensing unit in the casing; and a signal transmission The unit is arranged in the casing, and the signal is connected between the miniature spectrum sensing unit, the distance meter and the control device, and then receives the spectrum data set sent by the miniature spectrum sensing unit and transmits it to the control unit device.

According to the above idea, the phototherapy device described in this case, wherein the control device receives the spectral data set and the distance to correct a comparison table, the comparison table contains the corresponding relationship between the distance and the spectral data set, and the distance can be used To compare the intensity of the light emitted by the light-emitting module to the surface of the human body corresponding to each spectrum, and control the light-emitting module accordingly.

According to the above idea, in the phototherapy device described in this case, the light-emitting module includes: a plurality of light source subunits, which are used to respectively emit a plurality of light rays belonging to different wavelength ranges; and a plurality of intensity adjustment units, which are correspondingly electrically connected to the plurality of light source subunits to independently adjust the light emitting behavior of each light source subunit

According to the above idea, in the phototherapy device described in this case, a comparison table is set in the control device, and the comparison table contains the corresponding relationship between the distance and the spectral data set, and the distance can be used to compare the radiation emitted by the light emitting module. The light reaching the surface of the human body corresponds to the intensity of each spectrum, and accordingly controls the plurality of intensity adjustment units.

In order to have a clearer understanding of the above-mentioned idea of the present invention, a number of embodiments are specifically cited below, and detailed descriptions are given below with corresponding drawings.

In order to solve the above problems, the inventors of the present case have developed a functional block diagram of a phototherapy device as shown in FIG. A sensing module 11 and a control device 12 . Wherein the light emitting module 10 is used to emit an illuminating light 100 to the human body 1, and the spectral distribution of the illuminating light 100 is within a preset range, and the preset range is larger than the visible light range. The light intensity sensing module 11 is set in the irradiation range 101 of the irradiating light, and is used to sense a spectral data set corresponding to a plurality of spectral frequency bands in the preset range 101 . As for the control device 12, the signal is connected to the light intensity sensing module 11 and the light emitting module 10 to receive the spectral data set, and adjust the light emitting behavior of the light emitting module 10 according to the spectral data set, for example That is, it is possible to adjust the luminous intensity, luminous time, or both of the luminous module 10 .

To further illustrate, the predetermined range of the spectral distribution of the irradiating light 100 may be 200-900 nm, which is used to simulate the spectral distribution of sunlight reaching the surface of the earth. The light emitting module 10 can be composed of various light source subunits as shown in the internal functional block diagram shown in FIG. Group or light emitting tubes, such as a UV lamp (Fluorescent lamp) 21, a blue light emitting diode (LED) module 22, a green light emitting diode (LED) module 23, a yellow light emitting Diode (LED) module 24, a red light-emitting diode (LED) module 25 and an infrared light tube (Fluorescent lamp) 26 to form, wherein the ultraviolet light (the wavelength range of energy concentration can be 200- 400nm), which can promote the synthesis of human vitamin D and sterilize. Infrared light (the wavelength of energy concentration is 800-900nm or even longer) has strong penetrability and has the effect of hot compress on the human body. And red light (the wavelength of concentrated energy is about 639nm) is the longest wavelength among visible light to the naked eye, which can promote blood circulation, anti-aging, improve fine lines, remove spots, and also make the skin smooth, delicate and elastic. As for blue light (the wavelength of energy concentration is about 468nm), it has the functions of anti-inflammatory and bactericidal, regulating cellular immunity, and improving skin metabolism. Currently, it is often used to inhibit acne bacillus, adjust sebaceous glands, treat acne, clear acne and improve large pores. and other skin problems. Green light (the wavelength of energy concentration is about 525nm) is the basic color tone of nature, which has a neutralizing, balancing and calming effect. Yellow light (the wavelength of concentrated energy is about 590nm) can promote cell metabolism, strengthen blood and lymph circulation, and effectively absorb the nutritional molecules of skin care products. It can be seen from the above description that each light source subunit plays a different role in phototherapy and has different effects, so the present invention can provide corresponding independent intensity adjustment units 210, 220, 230, 240 for each light source subunit , 250 and 260, thereby independently adjusting the luminous behavior of each light source subunit, such as luminous time and luminous intensity. Therefore, the intensity adjustment units 210 , 220 , 230 , 240 , 250 and 260 can be implemented by using pulse width modulators or other similar power regulators. Of course, if the manufacturing technology of light-emitting diodes (LEDs) advances to higher and lower frequencies, the ultraviolet light tubes (Fluorescent lamp) 21 and infrared light tubes (Fluorescent lamp) 26 can of course be replaced with light-emitting diodes. Body (LED) to complete.

Please refer to FIG. 3A again, which is a functional block diagram of a preferred embodiment of the light intensity sensing module used in this case, which mainly includes a housing 30, a miniature spectral sensing unit 31, and a spherical scattering head 32 and a signal transmission unit 33 . Wherein the housing 30 is used for setting the miniature spectrum sensing unit 31 , the spherical scattering head 32 and the signal transmission unit 33 . The spherical scattering head 32 is disposed on the first surface 301 facing the light emitting module 10 for guiding the light emitted by the light emitting module 10 into the miniature spectral sensing unit 31 in the casing 30 . The micro-spectrum sensing unit 31 can be completed by a micro-spectrum sensing chip or a combination of a plurality of optical filters and light sensor chips with different bandpass frequencies. For example, the infrared light sensor 311, the ultraviolet light sensor 312 and the visible light image sensor 313 in this figure can be composed of an infrared light filter, an ultraviolet light filter, a visible light filter and a light sensor chip. to complete the combination. The above-mentioned light sensor chip detects the intensity of infrared light, ultraviolet light, blue light, green light, yellow light and red light in a plurality of specific wavelength ranges, and then accumulates and generates corresponding spectra in a predetermined period of time. Spectral data sets (from several to dozens of spectral frequency bands), and the spectral data sets can be transmitted to the control device 12 through the signal transmission unit 33 . The above-mentioned signal transmission unit 33 may be a wireless transmission module, such as a wireless network (Wi-Fi) module. The housing 30 can be attached to or close to the skin surface of the user's human body 1 to accurately measure the real intensity of the irradiating light 100 emitted by the light emitting module 10 onto the skin surface of the human body 1 .

Please refer to FIG. 3B again, which is a functional block diagram of another preferred embodiment of the light intensity sensing module 11 used in this case, in addition to including a housing 30, a miniature spectral sensing unit 31, and a spherical scattering head. 32 and the signal transmission unit 33, it also includes a range finder 34, the range finder 34 is set on the second surface 302 of the housing 30 facing the human body 1, the housing 30 and the light emitting module 10 can be A bracket (not shown in this figure) is used to complete the preset first distance DF (not shown in this figure) between the connection and the fixing, and the rangefinder 34 is used to measure the human body 1 and the sense of light intensity. Measure the second distance DX between the module groups 11. The plurality of light intensity data corresponding to each spectrum measured by the miniature spectrum sensing unit 31 (that is, the above-mentioned spectrum data set), and the distance between the human body 1 and the light intensity sensing module 11 measured by the rangefinder 34 The second distance DX between them can be transmitted to the control device 12 through the signal transmission unit 33 . And the control device 12 can obtain the sum (DX+DF) of the second distance DX and the first distance DF through calculation, and then according to the sum (DX+DF) of the first distance DF and (DX+DF) and the miniature spectrum sensing unit 31 produces The intensity of each spectrum corresponding to the irradiation light 100 emitted by the light emitting module 10 to the surface of the human body 1 can be accurately calculated by the collection of spectral data.

Referring to Fig. 4 again, it is the phototherapy dose control method developed in this case, wherein step 41 is to regularly use the micro-spectrum sensing unit 31 to measure the spectral data sets corresponding to each spectrum respectively, and step 42 is to use the range finder 34 to measure Measure the second distance DX between the human body 1 and the light intensity sensing module 11, and then calculate the spectral data set, the first distance DF and the second distance DX to obtain the light intensity corresponding to each spectrum on the surface of the human body (step 43), and finally the intensity adjustment unit adjusts the luminous intensity of various light source sub-units respectively according to the light intensity corresponding to each spectrum on the human body surface and the preset light intensity distribution (step 44). Since some light source sub-units can be individually turned on, enhanced, weakened or turned off to fine-tune the light intensity, the target of the preset light intensity distribution can be precisely achieved. Of course, as for the intensity adjustment units 210, 220, 230, 240, 250 and 260 in FIG. 2, pulse width modulators or other similar power regulators can be used to complete.

Please refer to Fig. 5 again, which is a functional block diagram of another preferred embodiment of the phototherapy device in this case, wherein the functional block diagram of the phototherapy device can be applied to irradiate the user's human body 1, and the phototherapy device of this embodiment also includes A light emitting module 10 and a control device 12 . The light emitting module 10 is also used to emit irradiating light 100 to the human body 1 , the spectral distribution of the irradiating light 100 is within the preset range, and the preset range is larger than the visible light range. The difference is that in this embodiment, a range finder 50 is further provided to measure the distance between the human body 1 and the light emitting module 10 . As for the control device 12, the signal is connected to the rangefinder 50 and the light-emitting module 10 for receiving the distance measured by the rangefinder 50, and according to the distance and a comparison table 120 provided in the control device 12 to adjust the lighting behavior of the lighting module 10 . The comparison table 120 contains the corresponding relationship between different distances and spectral data sets, so the control device 12 can use the distance to compare the intensity of the light emitted by the light emitting module to the surface of the human body corresponding to each spectrum, and according to The plurality of intensity adjustment units in the light emitting module 10 are respectively controlled, thereby independently adjusting the light emitting behavior of each light source sub-unit, such as light emitting time and light intensity. In addition, different comparison table contents can be compiled according to different irradiation purposes, and users can input different commands to specify a specific irradiation purpose from a variety of preset states (such as promoting the synthesis of human vitamin D and sterilization, plus anti-inflammatory and sterilizing, regulating cellular immunity, improving skin metabolism, etc.), and then find out the corresponding relationship from the comparison table 120, and measure the distance between the human body 1 and the light-emitting module 10 according to the rangefinder 50 The plurality of intensity adjustment units in the light-emitting module 10 are respectively controlled according to the distance, so as to adjust the light-emitting behavior of the light-emitting module 10 .

As for the light intensity sensing module 11 , it is set in the irradiation range 101 of the irradiating light, and is used to sense the spectral data set corresponding to a plurality of spectral frequency bands in the preset range 101 . And the control device 12 can receive the spectral data set and the distance to perform data correction on the comparison table 120, and the timing of the data correction can be every time the system is turned on, or regularly (weekly or monthly) ) for data correction. In this way, the light intensity sensing module 11 does not need to operate all the time, but can be reinstalled and placed on the surface of the human skin when needed (for example, every time the system is turned on, or regularly calibrated every week or every month). In this way, the various embodiments developed in this case will be able to measure or estimate the intensity of the light frequency distribution that cannot be accurately obtained by traditional phototherapy equipment using an illuminance meter, and can precisely control the phototherapy exposure dose, so that it will be possible Effectively achieve the therapeutic effect, and can avoid the burn hazard caused by excessive exposure dose.

To sum up, although the present invention is disclosed above with the embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field of the present invention can make various changes and modifications without departing from the technical spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the appended patent claims.

1: human body 10: Lighting module 11: Light intensity sensing module 12: Control device 100: Irradiate light 101: Irradiation range 120: Comparison table 21: Ultraviolet light tube 22:Blue light emitting diode module 23: Green light-emitting diode module 24:Yellow light emitting diode module 25: Red light emitting diode module 26: Infrared light tube 210, 220, 230, 240, 250, 260: intensity adjustment unit 30: shell 31: Miniature spectral sensing unit 311: Infrared light sensor 312: UV light sensor 313: Visible light image sensor 32: spherical scattering head 33: Signal transmission unit 301: first side 34, 50: range finder

Fig. 1 is a functional block diagram of a phototherapy device developed by this project.

Fig. 2 is a schematic diagram of the internal functional block of the light emitting module in the phototherapy device of this case.

FIG. 3A is a functional block diagram of a preferred embodiment inside the light intensity sensing module used in this case.

FIG. 3B is a functional block diagram of another preferred embodiment inside the light intensity sensing module used in this case.

Figure 4, which is the phototherapy dose control method developed in this case.

Fig. 5 is a functional block diagram of another preferred embodiment of the phototherapy device of the present case.

1: human body

10: Lighting module

11: Light intensity sensing module

12: Control device

100: Irradiate light

101: Irradiation range

Claims (13)

A phototherapy device for irradiating a human body. The phototherapy device includes: a light-emitting module for emitting light to the human body. The spectrum distribution of the light is within a preset range; a light intensity sensing module a set, set in the irradiation range of the irradiating light, for sensing a set of spectral data accumulated and generated in the preset range corresponding to a plurality of spectral frequency bands in a preset period of time; and a control device, connected to the light by signal The intensity sensing module and the lighting module are used to receive the spectral data set, and adjust the lighting behavior of the lighting module according to the spectral data set. The phototherapy device as described in Claim 1, wherein the light-emitting module includes: a plurality of light source subunits, which are used to emit a plurality of light rays belonging to different wavelength ranges; and a plurality of intensity adjustment units, which are correspondingly electrically connected to The plurality of light source subunits are used to independently adjust the light emitting behavior of each light source subunit. The phototherapy device as described in claim 2, wherein the preset range of the spectrum distribution of the irradiated light emitted by the light emitting module is larger than the visible light range, and the plurality of light source subunits are respectively concentrated in specific wavelengths and mutually Different light-emitting diode modules or light-emitting tubes, and an independent intensity adjustment unit is set for each light source sub-unit, so as to independently adjust the light-emitting behavior of each light source sub-unit, and the plurality of intensity adjustment units The unit is a pulse width modulator, a pulse amplitude modulator, a constant voltage regulator or a constant current regulator. The phototherapy device as described in claim 2, wherein the light intensity sensing module includes: a casing that can be attached to or approach the user's body surface; a miniature spectrum sensing unit that is set in the casing, It is completed by a combination of a micro-spectrum sensing chip or a plurality of filters with different bandpass frequencies and a photosensor chip, which is used to detect the intensity of light in a plurality of specific wavelength ranges, and then generate corresponding A collection of spectral data for each spectrum; A spherical scattering head is arranged on a first surface of the casing facing to the light-emitting module, and is used to guide the illumination light emitted by the light-emitting module into the miniature spectrum sensing unit in the casing; and a The signal transmission unit is arranged in the casing, and is connected to the signal between the miniature spectrum sensing unit and the control device, and then receives the spectrum data set sent by the miniature spectrum sensing unit and transmits it to the control device. The phototherapy device as described in Claim 4, wherein the control device receives the spectral data set, and controls the plurality of intensity adjustment units respectively according to the spectral data set, so as to independently adjust the luminous intensity of each light source subunit with glow time. The phototherapy device as described in claim 2, wherein the light intensity sensing module includes: a casing, which is connected and fixed to the light emitting module by a bracket, so that there is a first distance DF between them; A micro-spectrum sensing unit is set in the housing and is completed by a micro-spectrum sensing chip or a combination of a plurality of optical filters with different bandpass frequencies and a photosensor chip, which is used for targeting a plurality of specific wavelengths range of light to detect the intensity, and then generate the spectral data set corresponding to each spectrum; a spherical scattering head is arranged on the first surface of the housing facing to the light-emitting module, for the light-emitting The illuminating light emitted by the module is guided into the miniature spectrum sensing unit in the casing; a rangefinder, the rangefinder is arranged on a second surface of the casing facing the human body, and is used to measure the body a second distance from the light intensity sensing module; and a signal transmission unit disposed in the casing, the signal is connected between the miniature spectrum sensing unit, the distance meter and the control device, Further, receiving the spectral data set sent by the miniature spectral sensing unit and the second distance measured by the rangefinder and sending them to the control device. The phototherapy device as described in Claim 6, wherein the control device receives the spectral data set and the second distance DX, and calculates to obtain the sum (DX+DF) of the second distance DX and the first distance DF, and Then according to the first distance DF and (DX+DF) and the spectral data set, it is calculated that the emission of the light-emitting module is The irradiated light emitted to the surface of the human body corresponds to the intensity of each spectrum, and the plurality of intensity adjustment units are controlled accordingly to independently adjust the luminous intensity and luminous time of each light source sub-unit. A phototherapy device is used to irradiate a human body. The phototherapy device includes: a light-emitting module for emitting light to the human body. The spectrum of the light is distributed within a preset range; Near the light emitting module, it is used to measure a distance between the human body and the light emitting module; The distance is used to adjust the lighting behavior of the lighting module. The phototherapy device as described in claim 8, further comprising a light intensity sensing module, which is set in the irradiation range of the irradiation light and connected to the control device for sensing the corresponding plurality of light intensity in the preset range. A spectral data set of a spectral frequency band is sent to the control device, and the control device adjusts the light-emitting behavior of the light-emitting module according to the spectral data set and the distance. The phototherapy device as described in claim 9, wherein the light intensity sensing module includes: a housing; a miniature spectrum sensing unit, which is arranged in the housing, and consists of a miniature spectrum sensing chip or a plurality of different The combination of the band-pass frequency filter and the photosensor chip is used to detect the intensity of light in a plurality of specific wavelength ranges, and then generate the spectral data set corresponding to each spectrum; a spherical The scattering head is arranged on a first surface of the housing facing to the light-emitting module, and is used to guide the illumination light emitted by the light-emitting module into the miniature spectrum sensing unit in the housing; and a signal transmission unit , arranged in the housing, connected to the miniature spectrum sensing unit, the range finder and the control device, and then receive the spectrum data set sent by the miniature spectrum sensing unit and send it to the control device . The phototherapy device as described in claim 10, wherein the control device receives the spectral data set and the distance to correct a comparison table, the comparison table contains the correspondence between the distance and the spectral data set, and the distance can be used to The intensities corresponding to the respective spectra of the irradiated light emitted by the light-emitting module to the surface of the human body are compared, and the light-emitting module is controlled accordingly. The phototherapy device as described in Claim 8, wherein the light-emitting module includes: a plurality of light source subunits, which are used to emit a plurality of light rays belonging to different wavelength ranges; and a plurality of intensity adjustment units, which are correspondingly electrically connected to The plurality of light source subunits are used to independently adjust the light emitting behavior of each light source subunit The phototherapy device as described in claim 12, wherein the control device is provided with a comparison table, the comparison table includes the corresponding relationship between the distance and the spectral data set, and the distance can be used to compare the irradiation light emitted by the light emitting module The intensity of each spectrum corresponds to the surface of the human body, and accordingly controls the plurality of intensity adjustment units.

Images