A kind of monitoring method that light radiation damages human eyeTechnical field
The monitoring method and dress that the present invention relates to Study On Intelligent Monitoring Techniques field more particularly to a kind of light radiation to damage human eyeIt sets.
Background technology
In recent years, reflective optical security increasingly causes to pay attention to extensively, the ultraviolet radiation and LED light of daylight and artificial light sourcesIt is had been reported that when the photochemical damages of Factors on Human class eye such as " blue light are excessive " in source.In daily life, people often in contact withInclude sunlight, artificial ultraviolet lamp, energy-saving lamp, LED light and mobile phone and computer background light source etc. to ultraviolet and blue ray radiation source.The energy of ultraviolet light and blue light is different, and the influence to each position of human eye is not exclusively.The ultraviolet energy of short wavelengthIt is higher, primarily enter ocular region institutional framework, such as cornea, conjunctiva and crystalline lens.If being chronically under ultraviolet irradiation, thisA little tissues are susceptible to photochemical damage.Wavelength less than 320nm (peak value is located at 270nm) ultraviolet radioactive can cause conjunctivitis withKeratitis can also induce cataract.Compared with ultraviolet light, the wavelength of blue light is longer, can enter ocular region institutional framework, such asRetina.If 400-500nm blue wave band brightness in light source are excessively high, photochemical reaction, which will produce, largely has cytotoxicityFree radical, destroying retinal cell normal growth with work, cause the photochemical damage of retina.Therefore, accurate detection is purpleThe radiation of outside line and blue light to human eye helps to provide early warning in time, takes corresponding safeguard procedures, to avoid eye photochemicalLearn damage.
Ultraviolet radioactive context of detection, the laboratory method generally used at present are ultraviolet by Ultraviolet sensor test environmentRadiation level, carrys out the rough UV exposure situation for representing human body eye, and precision is poor.And blue light context of detection, in the marketOnly professional optical radiation measurement equipment.Its is complicated, and cost is quite high;And volume is larger, unfavorable carrying and popularizationIt uses.
In actual scene, effective UV exposure of human body eye is affected by various factors, if human body is along the optical axisIt is basically parallel to the specific face structure etc. that ground, human eye are exposed to different directions and individual at random, which dictates thatHuman body eye UV light exposure state is differ considerably from the ambient ultraviolet radiation level generally measured.Similar, artificial light sources bandThe effective blue ray radiation come also depends on the relative distance and direction of light source and human eye.It there is no the device of proximity can be compared at presentIt is accurate to acquire the Net long wave radiation information of ultraviolet light and blue light to human eye position.
Furthermore there has been no real-time, continuous while monitoring ultraviolet light and blue light to eyes harmful radiation so far in the marketLight and handy wearable or mancarried device.There has been no devices to acquire simultaneously, analyzes the ultraviolet light and blue light spoke of different-wavebandKey message is penetrated, and quantitative analysis is carried out by the possibility of photochemical damage to human eye's privileged site, is carried out in time pre-Alert prompt, to help to take corresponding effective protection measure.
Chinese patent application 200510067143.5 discloses a kind of glasses with radiation detection function, for ultravioletThe monitoring of line, infrared ray or light radiation.But the device is embedded in leg of spectacles, and light-receiving surface is put down with eyes light is enteredRow, can not accurate measurements enter the ultraviolet light and blue light of eyes, and the patent does not obtain damage of the harmful light-radiation to human eyeCondition of the injury condition also can not remind user's harmful light to endanger in time and take measures.
Invention content
In view of the shortcomings of the prior art, the object of the present invention is to provide the detection method that a kind of light radiation damages human eye,Ultraviolet light, blue light can be accurately monitored by this method to the radiation intensity of eye, when radiation intensity is more than predetermined threshold value,User can be reminded to take safeguard measure in time.
To achieve the above object, on the one hand, an embodiment of the present invention provides the monitoring sides that a kind of light radiation damages human eyeMethod includes the following steps:
S1:It obtains present ultraviolet radiation intensity in real time by UV sensor and exports the first current signal, pass throughBlue sensor obtains current blue ray radiation intensity and exports the second current signal in real time.
S2:The first current signal, the second current signal are handled by signal processing module, obtains the first digital signal and theTwo digital signal.
S3:According to the first digital signal, present ultraviolet radiation key parameter is calculated by microcontroller;According toCurrent blue ray radiation key parameter is calculated by microcontroller in two digital signal;And module will be current by radio communicationUltraviolet radiation key parameter, current blue ray radiation key parameter are sent to mobile terminal device;
S4:Judge whether present ultraviolet radiation key parameter is more than that threshold is preset in ultraviolet radiation damage by microcontrollerValue;Judge whether current blue ray radiation key parameter is more than that blue ray radiation damages predetermined threshold value by microcontroller.
In the present invention, UV sensor include but not limited to based on gallium nitride, silicon, silicon carbide, indium phosphide, zinc oxide orThe ultraviolet light photo sensor of the materials such as person's titanium oxide;Blue sensor includes but not limited to be based on gallium nitride, silicon or indium phosphideThe photoelectric sensor of equal materials.
Compared with prior art, monitoring method disclosed by the invention by using two photoelectric sensors to ultraviolet and blue lightRadiation is monitored respectively, and close-coupled, the design of simplification system may be implemented, realize low-power consumption, low cost, small size, be convenient forThe design of wearable, portable or skin paste chip is made, the promotion and popularization of device are conducive to.By simultaneously to entering human eyeUltraviolet light and blue ray radiation are monitored, and quantitative analysis difference radiation wave band is influenced on the photochemical damages of eyes and lumpHarm influences, and obtains present ultraviolet, blue light Net long wave radiation intensity and dosage and is compared in real time with predetermined threshold value, can be to currentUltraviolet light, blue light have intuitive and accurate understanding to human eye damage, convenient for subsequently taking safeguard measure.
According to another specific implementation mode of the present invention, further comprise step S5 after step S4:
S5:If present ultraviolet radiation key parameter, which is more than ultraviolet radiation, damages predetermined threshold value, microcontroller is sent outFirst control signal;Predetermined threshold value is damaged if current blue ray radiation key parameter is more than blue ray radiation, and microcontroller sends out theTwo control signals;According to first control signal, second control signal, prompting message is sent out by reminding module.
According to another specific implementation mode of the present invention, step S3 includes the following steps:
S31:By microcontroller, calculated according to the first digital signal, ultraviolet light source spectrum using spatial distributionTo the ultraviolet radiation intensity of each wavelength;By microcontroller, using spatial distribution, according to the second digital signal, blue light lightThe blue ray radiation intensity of each wavelength is calculated in source spectrum.
S32:By microcontroller, according to the ultraviolet radiation intensity of each wavelength, eyes ultraviolet radiation weighting function,The currently active ultraviolet radiation intensity is calculated;By microcontroller, according to the blue ray radiation intensity of each wavelength, retinaThe currently active blue ray radiation intensity is calculated in blue ray radiation weighting function.
S33:Within the scope of preset time threshold, respectively by microcontroller add up the currently active ultraviolet radiation intensity,The currently active blue ray radiation intensity obtains the currently active ultraviolet radiation dosage, the currently active blue ray radiation dosage.
S34:By radio communication module by the currently active ultraviolet radiation intensity, the currently active ultraviolet radiation dosage,The currently active blue ray radiation intensity, the currently active blue ray radiation dosage are sent to mobile terminal device.
According to another specific implementation mode of the present invention, if user's wearing spectacles, step S4 includes the following steps:
S41:User institute wearing spectacles eyeglass is obtained to ultraviolet radiation transmitance, blue ray radiation by mobile terminal deviceTransmitance, and ultraviolet radiation transmitance, blue ray radiation transmitance are sent to microcontroller by module by radio communication.
S42:According to ultraviolet radiation transmitance, the safe national standard of light, ultraviolet light spoke is calculated by microcontrollerPenetrate damage predetermined threshold value;According to blue ray radiation transmitance, the safe national standard of light, current blue light is calculated by microcontrollerRadiation injury predetermined threshold value.
According to another specific implementation mode of the present invention, if the non-wearing spectacles of user, step S4 middle-ultraviolet lamp radiation injuries are pre-If threshold value, blue ray radiation damage predetermined threshold value and are set respectively according to the safe national standard of light.
According to another specific implementation mode of the present invention, signal processing module includes signal amplification circuit, filter circuit, modulusConversion circuit and temperature-compensation circuit.
In the present solution, being amplified by the first electric current of signal amplification circuit pair, the second electric current, filtered by filter circuitThen noise will be believed by amplification, the first electric current of filtering, the second electric current corresponding conversion at the first digital signal, the second numberNumber.Further, in the present solution, carrying out temperature-compensating by temperature-compensation circuit, reduce temperature drift influence, improve monitoring essenceDegree.
According to another specific implementation mode of the present invention, reminding module includes display module, sound module and vibration module.
In the present solution, if present ultraviolet human eye impairment value, current blue light human eye impairment value are more than corresponding predetermined threshold valueWhen range, display module shows corresponding word prompting message;Sound module sends out corresponding sound prompting information;Vibration moduleSend out corresponding vibration signal.
On the other hand, the present invention also provides the monitoring devices that a kind of light radiation damages human eye, including:
Photoelectric sensor comprising UV sensor and blue sensor;Wherein, UV sensor for obtaining in real timeIt takes present ultraviolet radiation intensity and exports the first current signal;Blue sensor for obtaining current blue ray radiation intensity in real timeAnd export the second current signal.
Signal processing module for handling the first current signal, the second current signal, and exports the first digital signal, theTwo digital signal.
Microcontroller, for being calculated present ultraviolet radiation key parameter, current blue ray radiation key parameter, and it is rightWhether it is more than that ultraviolet radiation damages predetermined threshold value than present ultraviolet radiation key parameter, if so, sending the first control letterNumber;Compare whether current blue ray radiation key parameter is more than that blue ray radiation damages predetermined threshold value, if so, sending the second control letterNumber.
Reminding module for receiving the first control information, the second control information, and sends out prompting message.
According to another specific implementation mode of the present invention, wireless communication module be used for by present ultraviolet radiation key parameter,Current blue ray radiation key parameter is sent to mobile terminal device.
According to another specific implementation mode of the present invention, signal processing module includes signal amplification circuit, filter circuit, modulusConversion circuit and temperature-compensation circuit;Reminding module includes display module, sound module and vibration module.
The beneficial effects of the invention are as follows:Ultraviolet and blue ray radiation is supervised respectively by using two photoelectric sensorsIt surveys, close-coupled, the design of simplification system may be implemented, realize low-power consumption, low cost, small size, it is wearable, portable convenient for makingFormula or the design of skin paste chip, are conducive to the promotion and popularization of device.Pass through the ultraviolet light and blue ray radiation simultaneously to entering human eyeIt is monitored, and quantitative analysis difference radiation wave band is influenced on the photochemical damage of eyes and the harm of lump influences, and is worked asPreceding ultraviolet light, blue light Net long wave radiation intensity and dosage are simultaneously compared with predetermined threshold value in real time, once being more than predetermined threshold value, are just reminded and are usedTake safeguard measure in family.Monitoring device provided by the invention can in real time, continuously monitor the harmful radiation of ultraviolet light and blue light,And provide safe early warning.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, those of ordinary skill in the art are obtained every other without creative effortsEmbodiment shall fall within the protection scope of the present invention.
Description of the drawings
Fig. 1 is the flow chart for the detection method that light radiation damages human eye in embodiment 1;
Fig. 2 is the flow chart of step S3 in Fig. 1;
Fig. 3 is the structure diagram for the monitoring device that light radiation damages human eye in embodiment 2;
Fig. 4 is the structural schematic diagram for the monitoring device that light radiation damages human eye in embodiment 2;
Fig. 5 is the schematic diagram that monitoring device is installed on glasses in embodiment 2.
Specific implementation mode
Embodiment 1
It is the flow chart for the detection method that a kind of light radiation that the present embodiment 1 provides damages human eye referring to Fig. 1.The prisonSurvey method includes the following steps:
S1:It obtains present ultraviolet radiation intensity in real time by UV sensor and exports the first current signal;Pass throughBlue sensor obtains current blue ray radiation intensity and exports the second current signal in real time.
The step is for obtaining ultraviolet radiation intensity and blue ray radiation intensity.Specifically, UV sensor include butIt is not limited to the ultraviolet electric transducer based on materials such as gallium nitride, silicon, silicon carbide, indium phosphide, zinc oxide or titanium oxide, it is blueOptical sensor includes but not limited to the photoelectric sensor based on materials such as gallium nitride, silicon or indium phosphides.
Preferably, in the present embodiment, UV sensor is the gallium nitride ultraviolet linear light electric transducer with broad stopband,It is blind with good visible light, and only have response to ultraviolet light;Blue sensor is that gallium nitride ratio is different from ultraviolet light faxThe blue sensor of sensor, peak value of response are located at blue region.
In the present embodiment, the first electric current is the ultraviolet radiation photogenerated current obtained in real time using UV sensor;TheTwo electric currents are the blue ray radiation photogenerated current obtained in real time using blue sensor.
S2:The first current signal, the second current signal are handled by signal processing module, obtains the first digital signal and theTwo digital signal.
The step is used for the first electric current and the second electric current that processing step S1 is obtained.Specifically, signal processing module includesSignal amplification circuit, filter circuit, analog to digital conversion circuit and temperature-compensation circuit.
In the present embodiment, by signal amplification circuit to faint ultraviolet radiation photogenerated current, blue ray radiation photoproduction electricityStream is amplified, and noise filtering is crossed by filter circuit, then will be by amplification, the ultraviolet radiation photogenerated current of filtering, blue lightPhotogenerated current corresponding conversion is radiated into the first digital signal, the second digital signal.Further, in the present embodiment, pass through temperatureCompensation circuit carries out temperature-compensating, reduces temperature drift influence, improves monitoring accuracy.
S3:According to the first digital signal, present ultraviolet radiation key parameter is calculated by microcontroller;According toCurrent blue ray radiation key parameter is calculated by microcontroller in two digital signal;And module will be current by radio communicationUltraviolet radiation key parameter, current blue ray radiation key parameter are sent to mobile terminal device.
The step is for obtaining present ultraviolet radiation key parameter, current blue ray radiation key parameter.Specifically, referring toFig. 2, the step further comprise following steps:
S31:By microcontroller, calculated according to the first digital signal, ultraviolet light source spectrum using spatial distributionTo the ultraviolet radiation intensity of each wavelength;By microcontroller, using spatial distribution, according to the second digital signal, blue light lightThe blue ray radiation intensity of each wavelength is calculated in source spectrum.
Specifically, ultraviolet light source spectrum includes but not limited to solar ultraviolet spectrum, artificial UVA, UVB and UVC light source light spectrumAnd energy-saving lamp spectrum.Blue light source includes but not limited to the background light source, fluorescent lamp, bath of LED, mobile phone and flat-panel monitor etc.Despot etc..
S32:By microcontroller, according to the ultraviolet radiation intensity of each wavelength, eyes ultraviolet radiation weighting function,The currently active ultraviolet radiation intensity is calculated;By microcontroller, according to the blue ray radiation intensity of each wavelength, retinaThe currently active blue ray radiation intensity is calculated in blue ray radiation weighting function.
S33:Within the scope of preset time threshold, respectively by microcontroller add up the currently active ultraviolet radiation intensity,The currently active blue ray radiation intensity obtains the currently active ultraviolet radiation dosage, the currently active blue ray radiation dosage.
Specifically, preset time threshold range can be set according to actual conditions, it is not particularly limited herein.
S34:By radio communication module by the currently active ultraviolet radiation intensity, the currently active ultraviolet radiation dosage,The currently active blue ray radiation intensity, the currently active blue ray radiation dosage are sent to mobile terminal device.
Specifically, wireless communication module includes WIFI module and/or bluetooth module.
S4:Judge whether present ultraviolet radiation key parameter is more than that threshold is preset in ultraviolet radiation damage by microcontrollerValue;Judge whether current blue ray radiation key parameter is more than that blue ray radiation damages predetermined threshold value by microcontroller.
The step is for judging whether present ultraviolet, blue ray radiation key parameter are more than damage preset threshold range.ToolBody, if user's wearing spectacles, step S4 includes the following steps:
S41:User institute wearing spectacles eyeglass is obtained to ultraviolet radiation transmitance, blue ray radiation by mobile terminal deviceTransmitance, and ultraviolet radiation transmitance, blue ray radiation transmitance are sent to microcontroller by module by radio communication.
S42:According to ultraviolet radiation transmitance, the safe national standard of light, ultraviolet light spoke is calculated by microcontrollerPenetrate damage predetermined threshold value;According to blue ray radiation transmitance, the safe national standard of light, blue ray radiation is calculated by microcontrollerDamage predetermined threshold value.
If specifically, user's wearing spectacles, the ultraviolet light of eyeglass, blue ray radiation transmitance influence whether finally to enterPenetrate ultraviolet light, blue light Net long wave radiation intensity and the Net long wave radiation dosage of human eye.In order to keep monitoring result more accurate, pass through userUltraviolet light, blue ray radiation damage predetermined threshold value is set separately in eyeglass transmitance, the safe national standard of light.In the present embodiment,Ultraviolet light, the blue ray radiation of ultraviolet light, blue light damage critical value divided by user's eyeglass that the safe national standard of light is formulatedTransmitance obtains ultraviolet light, blue ray radiation damage predetermined threshold value.
If the non-wearing spectacles of user, step S4 middle-ultraviolet lamp radiation injuries predetermined threshold value, blue ray radiation damage predetermined threshold valueIt is set respectively according to the safe national standard of light.
In the present embodiment, when the non-wearing spectacles of user, ultraviolet radiation damages predetermined threshold value, threshold is preset in blue ray radiation damageValue is respectively that the ultraviolet injury critical value of the safe national Specification of light and blue light damage critical value.
S5:If present ultraviolet radiation key parameter, which is more than ultraviolet radiation, damages predetermined threshold value, microcontroller is sent outFirst control signal;Predetermined threshold value is damaged if current blue ray radiation key parameter is more than blue ray radiation, and microcontroller sends out theTwo control signals;According to first control signal, second control signal, prompting message is sent out by reminding module.
The step is used to, when ultraviolet light, blue light are more than damage predetermined threshold value, send out prompting message and user is reminded to take guarantorShield measure.
Specifically, reminding module includes display module, sound module and vibration module.In the present embodiment, if current ultravioletBeta radiation key parameter is more than that ultraviolet radiation damages predetermined threshold value, or current blue ray radiation key parameter is more than blue ray radiationPredetermined threshold value is damaged, then display module shows corresponding word prompting message;Sound module sends out corresponding sound prompting information;Vibration module sends out corresponding vibration signal.
In the present embodiment, if present ultraviolet radiation key parameter is less than ultraviolet radiation damage predetermined threshold value, and/orCurrent blue ray radiation key parameter is less than blue ray radiation damage predetermined threshold value, then continues step S1, carry out present ultraviolet spokePenetrate the acquisition of intensity and/or current blue ray radiation intensity.
In the present embodiment, the monitoring and the detection of blue ray radiation intensity of ultraviolet radiation intensity are carried out at the same time, independently of one another.
Monitoring method provided in this embodiment carries out ultraviolet and blue ray radiation by using two photoelectric sensors respectivelyMonitoring may be implemented close-coupled, the design of simplification system, realize low-power consumption, low cost, small size, wearable, just convenient for makingFormula or the design of skin paste chip are taken, the promotion and popularization of device are conducive to.Pass through the ultraviolet light and blue light spoke simultaneously to entering human eyeIt penetrates and is monitored, and quantitative analysis difference radiation wave band is influenced on the photochemical damage of eyes and the harm of lump influences, and obtainsPresent ultraviolet, blue light Net long wave radiation intensity and dosage are simultaneously compared with predetermined threshold value in real time, once being more than predetermined threshold value, are just remindedUser takes safeguard measure.Ultraviolet light and blue light can in real time, be continuously monitored using monitoring method provided in this embodimentHarmful radiation, and safe early warning is provided.
Embodiment 2
It is the structure diagram for the monitoring device that a kind of light radiation provided in this embodiment damages human eye referring to Fig. 3, referring toFig. 4 is the structural schematic diagram for the monitoring device that a kind of light radiation provided in this embodiment damages human eye.The monitoring device packetIt includes:
Photoelectric sensor 1 comprising UV sensor 11 and blue sensor 12;Wherein, UV sensor 11 is usedIn acquisition present ultraviolet radiation intensity in real time and export the first current signal;Blue sensor 12 is current blue for obtaining in real timeLight radiation intensity simultaneously exports the second current signal.
Specifically, UV sensor 11 include but not limited to based on gallium nitride, silicon, silicon carbide, indium phosphide, zinc oxide orThe ultraviolet electric transducer of the materials such as person's titanium oxide, blue sensor 12 include but not limited to be based on gallium nitride, silicon or phosphorusChange the blue light photoelectric sensor of the materials such as indium.
In the present embodiment, it is preferable that UV sensor 11 is silicon substrate ultraviolet enhancement photoelectric sensor, by sensingThe filter plate of design filtering visible light and near infrared light, only has response to ultraviolet light before device light-receiving surface, realizes that visible light is blind.Blue lightSensor 12 is silicon substrate visible light sensor, by designing filter plate before sensor light-receiving surface, only has response to blue light.
In the present embodiment, changes the spatial distribution of UV sensor using filter plate, make itself and eyes ultraviolet radiationWeighting function is approximate, and calculating effective ultraviolet radiation intensity of the daylight to human eye, (per unit area is incident on target surfaceRadiant power).The spatial distribution for changing blue sensor using filter plate, keeps it close with eyes blue ray radiation weighting functionSeemingly, calculate effective blue ray radiation intensity of the daylight to human eye (per unit area is incident on the radiant power of target surface).
Signal processing module 2 for handling the first current signal, the second current signal, and exports the first digital signal, theTwo digital signal.
Specifically, signal processing module 2 includes signal amplification circuit, filter circuit, analog to digital conversion circuit and temperature-compensatingCircuit.
In the present embodiment, by signal amplification circuit to faint ultraviolet radiation photogenerated current, blue ray radiation photoproduction electricityStream is amplified, and noise filtering is crossed by filter circuit, then will be by amplification, the ultraviolet radiation photogenerated current of filtering, blue lightPhotogenerated current corresponding conversion is radiated into the first digital signal, the second digital signal.Further, in the present embodiment, pass through temperatureCompensation circuit carries out temperature-compensating, reduces temperature drift influence, improves monitoring accuracy.
Microcontroller 3, for being calculated present ultraviolet radiation key parameter, current blue ray radiation key parameter, andCompare whether present ultraviolet radiation key parameter is more than that ultraviolet radiation damages predetermined threshold value.If so, sending the first controlSignal;Compare whether current blue ray radiation key parameter is more than that blue ray radiation damages predetermined threshold value, if so, sending the second controlSignal.
Reminding module 4 for receiving the first control information, the second control information, and sends out prompting message.
Specifically, reminding module 4 includes display module, sound module and vibration module.In the present embodiment, if current ultravioletBeta radiation key parameter is more than that ultraviolet radiation damages predetermined threshold value, or current blue ray radiation key parameter is more than blue ray radiationPredetermined threshold value is damaged, then display module shows corresponding word prompting message;Sound module sends out corresponding sound prompting information;Vibration module sends out corresponding vibration signal.
Wireless communication module 5, for present ultraviolet radiation key parameter, current blue ray radiation key parameter to be sent toMobile terminal device.
Specifically, mobile terminal includes but not limited to computer, tablet computer, mobile phone.
In this implementation, mobile terminal device can show that ultraviolet light and blue light are harmful to ocular region structure and retinaLight radiation critical parameter information, i.e. present ultraviolet radiation key parameter, current blue ray radiation key parameter;It can also show peaceFull residue allowance simultaneously suggests corresponding safeguard measure.
In the present embodiment, the monitoring device can be placed in beside spectacle frame or be disposed adjacent to the wears of eyes, ornament,Or in dermal patch, can also only by photoelectric sensor 1 this be partially disposed in beside spectacle frame or be disposed adjacent to eyes wear,In ornament or dermal patch, light radiation intensity and dosage and the light radiation intensity for entering eyes that photoelectric sensor 1 receivesIt is approximately the same with dosage, so as to relatively accurately track, analyze the real-time condition of eye harmful light-radiation.
It is the schematic diagram that monitoring device is installed on glasses in the present embodiment referring to Fig. 5.8 side wall of monitoring device is arranged oneFixture 6, for monitoring device 8 to be fixed on eyeglasses frame 7.Wherein, the UV sensor 11 in monitoring device 8 (does not showGo out), the light-receiving surface of 12 (not shown) of blue sensor it is parallel with eyes.
The present embodiment is monitored ultraviolet and blue ray radiation by using two photoelectric sensors respectively, may be implemented tightGather formula, simplification system design, realize low-power consumption, low cost, small size, convenient for making wearable, portable or dermal patchFormula designs, and is conducive to the promotion and popularization of device.By using the carrier (glasses) close to eye, keep photoelectric sensor collectedThe very close optical radiation signal for actually entering human eye of optical radiation signal, improves the accuracy of light radiation analysis.By right simultaneouslyUltraviolet light and blue ray radiation into human eye are monitored, and quantitative analysis difference radiation wave band is to the photochemical damage shadow of eyesIt rings and the harm of lump influences, obtain present ultraviolet, blue light Net long wave radiation intensity and dosage and compared in real time with predetermined threshold value,Once being more than predetermined threshold value, just user is reminded to take safeguard measure.Monitoring device provided in this embodiment can in real time, continuouslyThe harmful radiation of ultraviolet light and blue light is monitored, and safe early warning is provided.
Although the present invention is disclosed above with preferred embodiment, it is not limited to the range that the present invention is implemented.AnyThe those of ordinary skill in field improves in the invention scope for not departing from the present invention when can make a little, i.e., every according to this hairBright done same improvement, should be the scope of the present invention and is covered.