CN106225923A - A kind of ultraviolet dosage index measurement devices and methods therefor - Google Patents

A kind of ultraviolet dosage index measurement devices and methods therefor Download PDF

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Publication number
CN106225923A
CN106225923A CN201610801755.0A CN201610801755A CN106225923A CN 106225923 A CN106225923 A CN 106225923A CN 201610801755 A CN201610801755 A CN 201610801755A CN 106225923 A CN106225923 A CN 106225923A
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ultraviolet
index
ultraviolet dosage
uitraviolet intensity
chip microcomputer
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CN106225923B (en
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吕旭升
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light

Abstract

The present invention provides a kind of ultraviolet dosage index measurement devices and methods therefor, and this measurement apparatus includes: UV sensor, for gathering uitraviolet intensity and the uitraviolet intensity of collection being converted to the signal of telecommunication;Signal processing system, is connected with described UV sensor, for the described signal of telecommunication is carried out signal processing;Single-chip microcomputer, is connected with described signal processing system, is used for receiving the signal after described signal processing system processes and carrying out analytical calculation drawing ultraviolet dosage index;Output module, is connected with described single-chip microcomputer, is used for exporting ultraviolet dosage index;Key control module, is connected with described single-chip microcomputer, is used for controlling described UV sensor and gathers uitraviolet intensity.Implement the present invention, the ultraviolet dosage index that human body received within a period of time can be measured, and the uitraviolet intensity useful or harmful to human body can also be judged.

Description

A kind of ultraviolet dosage index measurement devices and methods therefor
[technical field]
The present invention relates to UV detection field, be specifically related to a kind of ultraviolet dosage index measurement devices and methods therefor.
[background technology]
At present, the impact of skin is increasingly known by ultraviolet by public domain.The application of ultraviolet widely, such as ultraviolet Line sterilizing, ultraviolet physiotherapy, ultraviolet fluorescent analysis and discriminating detection, ultraviolet exposure photoetching etc..The destruction of ultraviolet It is breakneck for acting on some occasion.Such as historical relic painting and calligraphy, rubber plastic, can occur aging under long-term irradiation, ultraviolet Also can injure eyes, skin and HUAMU etc..Owing to ultraviolet can not cause the vision of people, so the measurement of uitraviolet intensity Measuring method with greater need for specialty.
It is to measure and calculate the radiant intensity of ultraviolet that traditional ultraviolet radiation measures technology, and its definition has following containing Justice:
1, the emittance in unit are is projected sometime;
2, object sometime, the radiation energy that receives in per surface;
3, the unit of emittance is W/m2, owing to ultraviolet is the most weak, such as sunlight middle-ultraviolet lamp about It is 4%, so its unit many uses μ W/cm2
Another represent uitraviolet intensity concept be ultraviolet index, refer to when the sun on high in position the highest Time (the most at noon, i.e. from the morning ten up to afternoon three time time period), arrive earth surface sunray In the ultraviolet radiation possible degree of injury to human body skin.The numeral of ultraviolet index excursion 0-15 represents, Generally, the ultraviolet index at night is 0, and the ultraviolet index when torrid zone, highlands, fine day is 15.When ultraviolet index heals Gao Shi, represents that ultraviolet radiation is the most acute to the erythomatous lesions degree of human body skin, and similarly, ultraviolet index is the highest, more In the short time, the injury to skin is the biggest.
Obviously, ultraviolet radiation intensity and ultraviolet index the two concept all can not accurately express human body in the unit interval The ultraviolet radiation total amount (dosage) of interior acceptance, and the amount of ultraviolet irradiation (agent useful or harmful to human body can not be judged Amount).
Individuality in daily life, environment and be irradiated to the uitraviolet intensity of human body and changing always about, Receive so can not judge that human body is actual according to the radiant intensity of the radiant intensity of some time point or specific environment Ultraviolet radiation.Furthermore, due to being continually changing of irradiation angle, we are difficult to measure absolutely accurate irradiation.
Therefore, a kind of ultraviolet dosage index measurement device is needed badly.
[summary of the invention]
It is an object of the present invention to provide a kind of ultraviolet dosage index measurement device, including:
UV sensor, for gathering uitraviolet intensity and the uitraviolet intensity of collection being converted to the signal of telecommunication;
Signal processing system, is connected with described UV sensor, for the described signal of telecommunication is carried out signal processing;
Single-chip microcomputer, is connected with described signal processing system, for receiving the signal after described signal processing system processes also It is analyzed calculating ultraviolet dosage index;
Output module, is connected with described single-chip microcomputer, is used for exporting ultraviolet dosage index;
Key control module, is connected with described single-chip microcomputer, is used for controlling described UV sensor and gathers uitraviolet intensity.
Further, described single-chip microcomputer includes computing unit and timing unit, and described computing unit is for successively by described The ultraviolet that the uitraviolet intensity that the UV sensor later unit interval gathers gathers with the previous unit interval respectively is strong Degree, uitraviolet intensity reference value comparative analysis, and carry out integral operation when calculating later unit interval and previous unit Finsen unit dose index between, and the finsen unit dose index calculated successively is added up, draw purple Outside line dose index;Described timing unit gathers the unit interval of uitraviolet intensity for setting described UV sensor.
Further, described signal processing system includes:
For current signal being converted to the I/V modular converter of voltage signal;
For the amplification module amplified by described voltage signal, described amplification module is connected to described I/V modular converter;
Analogue signal after amplifying is converted to the A/D modular converter of digital signal, and described A/D modular converter connects To described amplification module.
Further, also include the memory module being connected with described single-chip microcomputer, be used for storing default ultraviolet dosage index, Ultraviolet dosage index that described single-chip microcomputer calculates and described uitraviolet intensity reference value;Described default ultraviolet dosage index Ultraviolet dosage index for calculating with described single-chip microcomputer compares, in order to determine that ultraviolet irradiates enough.
Further, also include the alarm module being connected with described single-chip microcomputer, be used for when described ultraviolet dosage index is big Warning is sent when default ultraviolet dosage index.
It is to provide a kind of ultraviolet dosage index measurement method another mesh of the present invention, including:
Key control module sends instruction, controls UV sensor and starts to gather uitraviolet intensity;
The uitraviolet intensity of collection is converted to the signal of telecommunication by UV sensor;
Key control module sends instruction, controls UV sensor and stops gathering uitraviolet intensity;
Signal processing system carries out signal processing to the described signal of telecommunication;
Single-chip microcomputer receives the signal after described signal processing system processes and carries out analytical calculation and show that ultraviolet dosage refers to Number;
Output module exports described ultraviolet dosage index.
Further, described single-chip microcomputer includes computing unit and timing unit, and described computing unit is for successively by described The ultraviolet that the uitraviolet intensity that the UV sensor later unit interval gathers gathers with the previous unit interval respectively is strong Degree, uitraviolet intensity reference value comparative analysis, and carry out integral operation when calculating later unit interval and previous unit Finsen unit dose index between, and the finsen unit dose index calculated successively is added up, draw purple Outside line dose index;Described timing unit gathers the unit interval of uitraviolet intensity for setting described UV sensor.
Further, the process that the described signal of telecommunication carries out signal processing includes:
Current signal is converted to voltage signal by I/V modular converter;
Described voltage signal is amplified by amplification module;
Analogue signal after A/D modular converter will amplify is converted to digital signal.
Further, also include the memory module being connected with described single-chip microcomputer, be used for storing default ultraviolet dosage index, Ultraviolet dosage index that described single-chip microcomputer calculates and described uitraviolet intensity reference value;Described default ultraviolet dosage index Ultraviolet dosage index for calculating with described single-chip microcomputer compares, in order to determine that ultraviolet irradiates enough.
Further, also include the alarm module being connected with described single-chip microcomputer, be used for when described ultraviolet dosage index is big Warning is sent when default ultraviolet dosage index.
Implement the present invention, the ultraviolet radiation dose index that human body received within a period of time can be measured, but also The uitraviolet intensity useful or harmful to human body can be judged.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of ultraviolet dosage index measurement device that the present invention provides;
Fig. 2 is the structural representation of the signal processing system of the device of ultraviolet dosage index measurement shown in Fig. 1;
Fig. 3 is the structural representation of the single-chip microcomputer of the device of ultraviolet dosage index measurement shown in Fig. 1;
Fig. 4 is the structural representation of the output module of the device of ultraviolet dosage index measurement shown in Fig. 1;
Fig. 5 is the flow chart of a kind of ultraviolet dosage index measurement method that the present invention provides;
Fig. 6 is in the method for ultraviolet dosage index measurement shown in Fig. 5, is n in the time1Time finsen unit dose index Schematic diagram
Fig. 7 is in the method for ultraviolet dosage index measurement shown in Fig. 5, is n in the time1-n6Between finsen unit dosage The distribution schematic diagram of index;
Fig. 8 is in the method for ultraviolet dosage index measurement shown in Fig. 5, and single-chip microcomputer calculates the flow process of ultraviolet dosage index Figure.
[detailed description of the invention]
With reference to Fig. 1, one embodiment of the invention provides a kind of ultraviolet dosage index measurement device, specifically includes that ultraviolet Sensor 110, signal processing system 130, single-chip microcomputer 150, output module 170, key control module 190, memory module 140 and Alarm module 180.UV sensor 110 is for gathering uitraviolet intensity and the uitraviolet intensity of collection being converted to telecommunications Number, signal processing system 130 is connected to UV sensor 110, and the signal of telecommunication of UV sensor 110 output is carried out letter Number process.
With reference to Fig. 2, this signal processing system 130 includes that I/V modular converter 132, amplification module 134 and A/D turn successively Die change block 136.The current signal exported by 132 UV sensors 110 of I/V modular converter is converted into voltage signal, through putting After big module 134 is amplified, it is converted into digital signal by 136 analogue signals of A/D modular converter and gathers by single-chip microcomputer 150.
Single-chip microcomputer 150 is connected respectively to signal processing system 130, UV sensor 110 and key control module 190.Make single-chip microcomputer 150 send instruction to UV sensor 110 by operating buttons control module 190, make ultraviolet sense Device 110 starts gather uitraviolet intensity or stop gathering uitraviolet intensity.
Digital signal after signal processing system 130 processes exports to single-chip microcomputer 150, and single-chip microcomputer 150 receives this numeral letter After number, it is analyzed calculating to it, draws ultraviolet dosage index.The result calculated is exported by output module 170.
With reference to Fig. 3, single-chip microcomputer 150 includes computing unit 152 and timing unit 154.Timing unit 154 is one to be arranged on list Intervalometer on sheet machine 150, gathers the unit interval of uitraviolet intensity, such as per minute one for setting UV sensor 110 Once, the about fast accuracy of frequency is the highest for secondary, once per second or 0.1 second, but this can be higher to the bandwidth requirement of pre-amplification circuit. In the present embodiment, preferably each second gather once, the unit interval that i.e. intervalometer sets as one second, UV sensor 110 Within each second, gather a uitraviolet intensity.
Computing unit 152 successively by the UV sensor 110 later unit interval gather uitraviolet intensity respectively with Uitraviolet intensity that the previous unit interval gathers, uitraviolet intensity reference value comparative analysis, and carry out integral operation and calculate Finsen unit dose index between previous unit interval and later unit interval, and the ultraviolet that will calculate successively Unit dose index adds up, and draws the ultraviolet radiation dosage that ultraviolet dosage index, i.e. human body receive.Specifically calculated Journey explained later.
Memory module 140, alarm module 180 are connected with single-chip microcomputer 150 respectively.Memory module 140 is used for storing presets purple Ultraviolet dosage index that outside line dose index, single-chip microcomputer 150 calculate and uitraviolet intensity reference value.Uitraviolet intensity reference Value refers to cause the uitraviolet intensity of human body developmental biology effect.Human body developmental biology effect such as warp can be caused The skin generation vitamin D of ultraviolet irradiation human body, irradiated ultraviolet can promote the metabolism of skeleton.Preset ultraviolet Dose index refers to the optimal ultraviolet radiation dosage that human body receives.Preset ultraviolet dosage index to be used for and single-chip microcomputer The ultraviolet dosage index that 150 calculate compares, in order to determine that ultraviolet irradiates enough.When ultraviolet dosage refers to Number is more than when presetting ultraviolet dosage index, and alarm module 180 sends warning to remind user ultraviolet to irradiate excess.This reality Executing in example, alarm module 180 is preferably a buzzer.
With reference to Fig. 5, output module 170 includes display screen 172, for showing the final calculation result i.e. purple of single-chip microcomputer 150 Outside line dose index and/or the digital signal value of each second collection data.In the present embodiment, output module 170 also includes mobile Terminal 174, mobile terminal 174 can be that mobile phone, computer etc. not only have display function but also have the terminal of storage function, mobile Terminal 174 carries out bluetooth by the bluetooth module arranged with this device or wireless communication module or radio communication is connected, and is used for showing Showing, bluetooth module or wireless communication module are connected with single-chip microcomputer, and wireless communication module can be such as WIFI module.It is to be understood that It is that display screen 172 and mobile terminal 174 are not necessarily all necessary, and both can reach the purpose of the application with the presence of one.
With reference to Fig. 4, the present invention also provides for a kind of ultraviolet dosage index measurement method, comprises the steps:
S101, key control module 190 sends instruction, controls UV sensor 110 and starts to gather ultraviolet
Line strength;
S103, the uitraviolet intensity of collection is converted to the signal of telecommunication by UV sensor 110;
S105, key control module 190 sends instruction, controls UV sensor 110 and stops gathering ultraviolet
Line strength;
S107, signal processing system 130 carries out signal processing to the described signal of telecommunication;
S109, single-chip microcomputer 150 receives the signal after signal processing system 130 processes and carries out analytical calculation and draw ultraviolet Dose index;
S111, output module 170 exports ultraviolet dosage index.
In step S101, key control module 190 has the first state and the second state, and the such as first state is for pressing State, the second state is the state of upspringing, after the control module that pushes button 190, key control module 190 control single chip computer 150 to UV sensor 110 sends instruction, controls UV sensor 110 and starts to gather uitraviolet intensity, and single-chip microcomputer 150 includes fixed Shi Danyuan 154, sets UV sensor 110 and gathers the unit interval of uitraviolet intensity, the most how long gather a ultraviolet Line strength.
In step s 103, UV sensor 110 can measure the scope of 260~400nm, in the present embodiment, purple Outer line sensor 110 mainly measures UVB, i.e. 280~the wave band of 315nm.
In step S105 and S107, after UV sensor 110 stops gathering uitraviolet intensity, by signal processing system The signal of telecommunication of 130 pairs of UV sensor 110 outputs processes, and processing procedure has already described above, and does not repeats.
In S109, single-chip microcomputer 150 includes computing unit 152 and timing unit 154, and computing unit 152 is for successively by purple The ultraviolet that the uitraviolet intensity that the outer line sensor 110 later unit interval gathers gathers with the previous unit interval respectively is strong Degree, uitraviolet intensity reference value comparative analysis, and carry out integral operation when calculating later unit interval and previous unit Finsen unit dose index between, and the finsen unit dose index calculated successively is added up, draw purple Outside line dose index.Timing unit 154 gathers the unit interval of uitraviolet intensity for setting UV sensor.The present embodiment In, the unit interval that timing unit 154 sets, UV sensor 110 gathered a uitraviolet intensity in each second as one second.
The calculating process of single-chip microcomputer 150 is as follows:
With reference to Fig. 6 and Fig. 7, setting time and the coordinate axes of uitraviolet intensity, the time is set as trunnion axis, uitraviolet intensity It is set as vertical axes.Set a period of time that UV sensor 110 gathers as n, then ultraviolet passes within this period of time The time that sensor 110 gathers a uitraviolet intensity in each second is respectively set as n1、n2…….nn.Each time is gathered The uitraviolet intensity A that result is that time that uitraviolet intensity processes through signal processing system 130, then the time is n1、 n2…….nnUitraviolet intensity correspond to A respectively1、A2…….An.Setting can cause the purple of human body developmental biology effect Outer line strength is DInvalid, DInvalidIt is uitraviolet intensity reference value, if the uitraviolet intensity gathered is less than DInvalid, then irradiation is shown Uitraviolet intensity is useless, will not cause human body developmental biology effect.
Below as a example by 6 second time, UV sensor 110 gathers the time of a uitraviolet intensity for each second respectively It is set as n1、n2、n3、n4、n5、n6, the uitraviolet intensity of collection of the most each time ultraviolet after signal processing system 130 processes Line strength corresponds to A respectively1、A2、A3、A4、A5、A6, then A1、A2、A3、A4、A5、A6Respectively such as figure on time and intensity coordinate axes Shown in 7, amass between the uitraviolet intensity that the uitraviolet intensity gathered the later time successively and previous time gather Partite transport is calculated.Set A0It is uitraviolet intensity when 0 second for the time.
From n1Proceed by calculating, first to A1、A0And DInvalidThree compares analysis, draws A0<DInvalid,A1>DInvalid, then n1、n0、A1、A0Between formed a triangle, set A1With A0Line and A1With n1Line between angle be A, set folder Angle A correspondence DInvalidLine segment be A limit, as shown in Figure 6, higher than D in triangleInvalidArea be set as integrated value S1, the most effectively Finsen unit dose index S1, less than DInvalidArea be set as integrated value C1, integrated value C1It it is invalid finsen unit agent Volume index, is not required to calculate, then to being higher than D in this triangleInvalidArea be integrated computing, calculate finsen unit dosage and refer to Number is S1, computing can be integrated by below equation:
∠ A=arctan ((n1-n0)/(A1-A0));
A limit=(A1–DInvalid)*tanA;
S1=A limit * (A1–DInvalid)/2;
Then can calculate n1With n0Between finsen unit dose index S1
In like manner, at n2Time, to A2、A1And DInvalidThree compares analysis, draws A2<DInvalid,A1>DInvalid, then n2、n1、A2、A1 Between formed a right-angled trapezium, set A2With A1Line and A1With n1Line between angle be A, set included angle A corresponding DInvalidLine segment be A limit, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S2, then to this right angle ladder Higher than D in shapeInvalidArea be integrated computing, calculating finsen unit dose index is S2, can be amassed by below equation Partite transport is calculated:
∠ A=arctan ((n2-n1)/(A1-A2));
A limit=(A1–DInvalid)*tanA;
S=A limit * (A1–DInvalid)/2;
Then can calculate n2With n1Between finsen unit dose index S2
In like manner, at n3Time, to A3、A2And DInvalidThree compares analysis, draws A3>DInvalid, A2<DInvalid, then n3、n2、A3、A2 Between formed a right-angled trapezium, set A3With A2Line and A3With n3Line between angle be A, set included angle A corresponding DInvalidLine segment be A limit, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S3, then to this right angle ladder Higher than D in shapeInvalidArea be integrated computing, calculating finsen unit dose index is S3.Its computing formula and time are n1 Time formula identical, repeat no more here, then can calculate n3With n2Between finsen unit dose index S3
In like manner, at n4Time, to A4、A3And DInvalidThree compares analysis, draws A4>DInvalid, A3>DInvalid, A4<A3, then n4、 n3、A4、A3Between form a right-angled trapezium, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S4, then to this right-angled trapezium is higher than DInvalidArea be integrated computing, calculating finsen unit dose index is S4, can pass through Below equation is integrated computing:
S4=(n4–n3)*(A3–A4)/2+(n4–n3)*(A4–DInvalid);
Then can calculate n4With n3Between finsen unit dose index S4
In like manner, at n5Time, to A5、A4And DInvalidThree compares analysis, draws A5>DInvalid, A4>DInvalid, A5>A4, then n5、 n4、A5、A4Between form a right-angled trapezium, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S5, then to this right-angled trapezium is higher than DInvalidArea be integrated computing, calculating finsen unit dose index is S5, can pass through Below equation is integrated computing:
S5=(n5–n4)*(A5–A4)/2+(n5–n4)*(A4–DInvalid);
Then can calculate n5With n4Between finsen unit dose index S5
In like manner, at n6Time, to A6、A5And DInvalidThree compares analysis, draws A6>DInvalid, A5>DInvalid, A6>A5, then n6、 n5、A6、A5Between form a right-angled trapezium, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S6, then to this right-angled trapezium is higher than DInvalidArea be integrated computing, calculating finsen unit dose index is S6.It calculates Formula and time are n5Time formula identical, repeat no more here, then can calculate n6With n5Between finsen unit dosage refer to Number S6
Also have other several situations, as a example by wherein certain unit interval, it is assumed that at n5Time, A4=DInvalid, A5>DInvalid, right A5、A4And DInvalidThree compares analysis, then n5、n4、A5、A4Between form a right-angled trapezium, higher than D in right-angled trapeziumInvalid Area be set as finsen unit dose index S5, then to this right-angled trapezium is higher than DInvalidArea be integrated computing, meter Calculating finsen unit dose index is S5, computing can be integrated by below equation:
S5=(n5–n4)*(A5–DInvalid)/2;
Then can calculate n5With n4Between finsen unit dose index S5
Assume at n5Time, A4>DInvalid, A5=DInvalid, to A5、A4And DInvalidThree compares analysis, then n5、n4、A5、A4Between Form a right-angled trapezium, higher than D in right-angled trapeziumInvalidArea be set as finsen unit dose index S5, then to this right angle Higher than D in trapezoidalInvalidArea be integrated computing, calculating finsen unit dose index is S5, can be carried out by below equation Integral operation:
S5=(n5–n4)*(A4–DInvalid)/2;
Then can calculate n5With n4Between finsen unit dose index S5
Assume at n5Time, A4=A5, A5>DInvalid, to A5、A4And DInvalidThree compares analysis, then n5、n4、A5、A4Between Formed one square, square in higher than DInvalidArea be set as finsen unit dose index S5, then to this square in be higher than DInvalidArea be integrated computing, calculating finsen unit dose index is S5, computing can be integrated by below equation:
S5=(n5–n4)*(A5–DInvalid);
Then can calculate n5With n4Between finsen unit dose index S5
Assume at n5Time, A4=A5, A5<DInvalid, to A5、A4And DInvalidThree compares analysis, then n5、n4、A5、A4Between Formed one square, square in higher than DInvalidArea be set as finsen unit dose index S5, then to the party is higher than DInvalid Area be integrated computing, then
S5=0;
Then can calculate n5With n4Between finsen unit dose index S5
After finsen unit dose index calculates successively, by finsen unit dose index S1、S2、S3、S4、S5、S6 Add up, 6 seconds interior ultraviolet dosage indexes can be calculated, set ultraviolet dosage index as Suvb, then Suvb=S1+ S2+S3+S4+S5+S6, thus can be by output module 170 by ultraviolet dosage index SuvbOutput, user just can obtain Know the dosage that ultraviolet irradiates.
Ultraviolet dosage index SuvbCan be stored in memory module 140, and default be stored in memory module 140 Ultraviolet dosage index compares, in order to determine that the ultraviolet of human body irradiates enough, i.e. the ultraviolet of human body irradiates spoke Penetrate dosage enough.As ultraviolet dosage index SuvbMore than when presetting ultraviolet dosage index, alarm module 180 can send Report to the police, to remind user ultraviolet to irradiate excess.
With reference to Fig. 8, when the time gathered is longer, calculate ultraviolet dosage index SuvbAvailable following general formula table Show:
Work as An-1<DInvalid,An>DInvalidShi You:
∠ A=arctan ((nn-nn-1)/(An-An-1))
A limit=(An–DInvalid)*tanA
S=A limit * (An–DInvalid)/2
Work as An-1>DInvalid,An<DInvalidShi You:
∠ A=arctan ((nn-nn-1)/(An-1-An))
A limit=(An-1–DInvalid)*tanA
S=A limit * (An-1–DInvalid)/2
Work as An-1=DInvalid,An>DInvalidShi You:
S=(nn–nn-1)*(An–DInvalid)/2
Work as An-1>DInvalid,An=DInvalidShi You:
S=(nn–nn-1)*(An-1–DInvalid)/2
Work as An-1>DInvalid,An>DInvalid,An-1<AnShi You:
S=(nn–nn-1)*(An–An-1)/2+(nn–nn-1)*(An-1–DInvalid)
Work as An-1>DInvalid,An>DInvalid,An-1>AnShi You:
S=(nn–nn-1)*(An-1–An)/2+(nn–nn-1)*(An–DInvalid)
Work as An-1=An An>DInvalid, Shi You:
S=(nn–nn-1)*(An–DInvalid)
Work as An-1=An An<DInvalid, Shi You:
S=0;
Then Suvb=S1+S2+S3+S4+……+Sn, thus calculate ultraviolet dosage index.
Using the ultraviolet dosage index measurement devices and methods therefor that the application provides, can improve prior art can only be single The defect of some display ultraviolet irradiation intensity.The uitraviolet intensity received in daily life due to individuality becomes always Change, so can not judge that human body is an actually-received according to the radiant intensity of the exposure rate of some time point or specific environment UV radiation dose.Furthermore, due to being continually changing of irradiation angle, we are difficult to measure absolutely accurate irradiation, so The application introduces " ultraviolet dosage index " this concept, owing to establishing this concept, from now on it is possible to by actual for device The biologically that " the ultraviolet dosage index " measured and human body occur carries out big data comparative study, thus it is corresponding to find out it Relation.
For the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to if making Dry deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended right Requirement is as the criterion.

Claims (10)

1. a ultraviolet dosage index measurement device, it is characterised in that including:
UV sensor, for gathering uitraviolet intensity and the uitraviolet intensity of collection being converted to the signal of telecommunication;
Signal processing system, is connected with described UV sensor, for the described signal of telecommunication is carried out signal processing;
Single-chip microcomputer, is connected with described signal processing system, for receiving the signal after described signal processing system processes and carrying out Analytical calculation draws ultraviolet dosage index;
Output module, is connected with described single-chip microcomputer, is used for exporting ultraviolet dosage index;
Key control module, is connected with described single-chip microcomputer, is used for controlling described UV sensor and gathers uitraviolet intensity.
Ultraviolet dosage index measurement device the most according to claim 1, it is characterised in that described single-chip microcomputer includes calculating Unit and timing unit, described computing unit is for the ultraviolet gathered the described UV sensor later unit interval successively Uitraviolet intensity that line strength gathers with the previous unit interval respectively, uitraviolet intensity reference value comparative analysis, and amass Partite transport is calculated the finsen unit dose index calculated between later unit interval and previous unit interval, and will count successively The finsen unit dose index calculated adds up, and draws ultraviolet dosage index;Described timing unit is used for setting described UV sensor gathers the unit interval of uitraviolet intensity.
Ultraviolet dosage index measurement device the most according to claim 1, it is characterised in that described signal processing system bag Include:
For current signal being converted to the I/V modular converter of voltage signal;
For the amplification module amplified by described voltage signal, described amplification module is connected to described I/V modular converter;
Analogue signal after amplifying is converted to the A/D modular converter of digital signal, and described A/D modular converter is connected to institute State amplification module.
Ultraviolet dosage index measurement device the most according to claim 1, it is characterised in that also include and described single-chip microcomputer The memory module connected, for storing default ultraviolet dosage index, ultraviolet dosage index that described single-chip microcomputer calculates and Described uitraviolet intensity reference value;Described default ultraviolet dosage index is for the ultraviolet agent calculated with described single-chip microcomputer Volume index compares, in order to determine that ultraviolet irradiates enough.
Ultraviolet dosage index measurement device the most according to claim 4, it is characterised in that also include and described single-chip microcomputer The alarm module connected, for sending warning when described ultraviolet dosage index is more than default ultraviolet dosage index.
6. a ultraviolet dosage index measurement method, it is characterised in that including:
Key control module sends instruction, controls UV sensor and starts to gather uitraviolet intensity;
The uitraviolet intensity of collection is converted to the signal of telecommunication by UV sensor;
Key control module sends instruction, controls UV sensor and stops gathering uitraviolet intensity;
Signal processing system carries out signal processing to the described signal of telecommunication;
Single-chip microcomputer receives the signal after described signal processing system processes and carries out analytical calculation and draw ultraviolet dosage index;
Output module exports described ultraviolet dosage index.
Ultraviolet dosage index measurement method the most according to claim 6, it is characterised in that described single-chip microcomputer includes calculating Unit and timing unit, described computing unit is for the ultraviolet gathered the described UV sensor later unit interval successively Uitraviolet intensity that line strength gathers with the previous unit interval respectively, uitraviolet intensity reference value comparative analysis, and amass Partite transport is calculated the finsen unit dose index calculated between later unit interval and previous unit interval, and will count successively The finsen unit dose index calculated adds up, and draws ultraviolet dosage index;Described timing unit is used for setting described UV sensor gathers the unit interval of uitraviolet intensity.
Ultraviolet dosage index measurement method the most according to claim 6, it is characterised in that the described signal of telecommunication is carried out letter Number process process include:
Current signal is converted to voltage signal by I/V modular converter;
Described voltage signal is amplified by amplification module;
Analogue signal after A/D modular converter will amplify is converted to digital signal.
Ultraviolet dosage index measurement method the most according to claim 6, it is characterised in that also include and described single-chip microcomputer The memory module connected, for storing default ultraviolet dosage index, ultraviolet dosage index that described single-chip microcomputer calculates and Described uitraviolet intensity reference value;Described default ultraviolet dosage index is for the ultraviolet dosage calculated with described single-chip microcomputer Index compares, in order to determine that ultraviolet irradiates enough.
Ultraviolet dosage index measurement method the most according to claim 9, it is characterised in that also include and described monolithic The alarm module that machine connects, for sending warning when described ultraviolet dosage index is more than default ultraviolet dosage index.
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