CN101191744A - Electronic device for sensing intensity of ray - Google Patents
Electronic device for sensing intensity of ray Download PDFInfo
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- CN101191744A CN101191744A CNA2006101403363A CN200610140336A CN101191744A CN 101191744 A CN101191744 A CN 101191744A CN A2006101403363 A CNA2006101403363 A CN A2006101403363A CN 200610140336 A CN200610140336 A CN 200610140336A CN 101191744 A CN101191744 A CN 101191744A
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Abstract
The invention discloses an electronic device used to sense ray intensity which comprises a shell, a filter, an optical sensing element and a judging module. The shell comprises a broken hole; the filter is arranged on the broken hole and is used to filter rays to ensure that the special ray in the rays passes through; the optical sensing element is arranged at a position in the shell which corresponds to the broken hole, is used to receive the special ray which passes through the filter and produces the corresponding current by the special ray; the judging module is electrically connected with the optical sensing element, the current produced by the optical sensing element is used to judge the intensity of the special ray.
Description
Technical field
The present invention relates to a kind of device that is used for sensing intensity of ray, relate in particular to a kind of ray that filters out specific wavelength by optical filtering, and produce corresponding electric current by Photosensing Units, and the high sensitivity by voltage controlled oscillator, reach accurately and the instant transmitted intensity sensing apparatus of measuring.
Background technology
Development of science and technology has brought up comfortable living environment, has also changed natural, ecological.Because the destruction of ozonosphere, in recent years, ultraviolet ray more and more is much accounted of the influence of human health.According to scientific research, excessive ultraviolet ray can cause the injury on human skin and the eyesight.For instance, after being subjected to strong ultraviolet radiation, epidermis can generate chemical mediator, and discharges and to be diffused into corium, causes local vessel expansion, and erythema appears in skin.Medical research is found, the erythema that caused of ultraviolet ray is different with the erythema of the formation of burning, and the erythema due to the ultraviolet radiation disappears very slowly, and gets off for a long time, except causing blackspot even can bring out skin canceration, and scientists does not get across as yet fully to the generation reason of erythemal effect.In addition, strong ultraviolet radiation can be damaged eye tissue, causes conjunctivitis, and infringement cornea, crystalline lens are cataractous main inducing.According to statistics, in ophthalmology disease, cataract is the blinding disease of worldwide first place.Therefore, preventing eyes by ultraviolet excessive exposure, is the cataractous effective means of prevention.Yet, except the UV forecast of announcing according to Meteorological Unit, there is no and can ultraviolet ray for reference observe and predict data at present.Moreover, though intense UV rays mainly from the sunshine of direct projection, look into because ultraviolet ray can't be seen by naked eyes, even therefore cloudy day or still may be subjected to ultraviolet irradiation indoor.In addition, some light also may hide excessive ultraviolet ray, and long-term irradiation can influence health equally.Therefore, if the ultraviolet ray that can measure the site whenever and wherever possible then can be protected, with the injury that prevents that excessive ultraviolet ray from bringing in good time.
In the prior art, ultraviolet sensor can be divided into two kinds, and one is to use titanium dioxide (TiO
2) absorb ultraviolet energy, and then change the silver ion color judging ultraviolet intensity, but this kind mode can't accurately be judged ultraviolet intensity.Perhaps, change resistance value according to the ultraviolet energy of varying strength, compare the voltage that produced again to judge ultraviolet intensity with photoresistance.For instance, please refer to Fig. 1, Fig. 1 is the synoptic diagram of ultraviolet sensor 100 of the prior art.Ultraviolet ray sensor 100 includes photoresistance 102, resistance 104, reaches comparator circuit 106.Photoresistance 102 is the negative sense photoresistance, that is to say that strong more its resistance value of uitraviolet intensity is low more, and electric current is big more, makes output voltage V
UVAlso high more.Therefore, compare output voltage V by comparator circuit 106
UVWith reference voltage V
Ref, can judge ultraviolet intensity.
Please continue with reference to figure 2, Fig. 2 is the resistance change synoptic diagram of the photoresistance 102 of Fig. 1.When the not illuminated ultraviolet ray of photoresistance 102, its resistance value is kept R0.If when time point t1, the illuminated ultraviolet ray of photoresistance 102 beginnings, then the resistance value of photoresistance 102 begins to drop to Rs (at time point t2).Next, when time point t3, ultraviolet ray stops irradiation, yet photoresistance 102 needs a period of time just can return back to original state, and therefore when time point t4, the resistance value of photoresistance 102 just returns back to R0.In other words, though ultraviolet sensor 100 can be judged ultraviolet energy by photoresistance 102, however the turnaround time of photoresistance 102 long (time point t3 is to time point t4), therefore ultraviolet sensor 100 can't be done instant measurement.
In brief, prior art be except can't accurately measuring the ultraviolet intensity, also be subject to photoresistance turnaround time so that can't be immediately, measure fast.Because ultraviolet ray can't be seen by naked eyes and look into, so prior art can't remind the user to carry out correlative protection in good time, influences user's health.
Summary of the invention
Therefore, fundamental purpose of the present invention promptly is to provide a kind of electronic installation that is used for sensing intensity of ray.
The present invention discloses a kind of electronic installation that is used for sensing intensity of ray, it includes housing, optical filtering, Photosensing Units, and judges module.This housing comprises holes; This optical filtering is arranged on this holes, in order to filter light, so that particular ray is passed through in this light; This Photosensing Units is located at the interior position corresponding to this holes of this housing, in order to reception this particular ray by this optical filtering, and produces corresponding electric current according to this; This judgement module is electrically connected in this Photosensing Units, according to this electric current of this Photosensing Units generation, in order to judge the intensity of this particular ray.
But the present invention has also disclosed a kind of device for mobile communication of sensing intensity of ray, and it includes housing, mobile communication module, image capture unit, optical filtering, reaches and judge module.This housing comprises holes.This mobile communication module is in order to carry out mobile communication.This image capture unit is located on this holes, includes camera lens, Photosensing Units, reaches image-processing circuit.This camera lens is installed on this holes; This Photosensing Units is located at the interior position corresponding to this camera lens of this housing, in order to the ray of reception by this camera lens, and produces corresponding electric current according to this; This image-processing circuit is in order to this electric current that produces according to this Photosensing Units, image output.This optical filtering is changeable to be arranged on this camera lens, in order to filter light, so that particular ray is passed through in this light.This judgement module is electrically connected in this Photosensing Units, according to this electric current of this Photosensing Units generation, in order to judge the intensity of this particular ray.
Description of drawings
Fig. 1 is the synoptic diagram of prior art middle-ultraviolet lamp sensor.
Fig. 2 is the resistance change synoptic diagram of the photoresistance of Fig. 1.
Fig. 3 is the synoptic diagram of first embodiment of the invention transmitted intensity sensing apparatus.
Fig. 4 judges the synoptic diagram of module for the present invention one.
But Fig. 5 is the synoptic diagram of the device for mobile communication of second embodiment of the invention sensing intensity of ray.
Embodiment
Please refer to Fig. 3, Fig. 3 is the synoptic diagram of first embodiment of the invention transmitted intensity sensing apparatus 300.Transmitted intensity sensing apparatus 300 is in order to the intensity of sensing particular ray, and it includes housing 302, optical filtering 306, Photosensing Units 308, reaches and judge module 310.Housing 302 is provided with holes 304, in order to optical filtering 306 to be set.Optical filtering 306 can filter light, so that the particular ray that wavelength drops in the particular range is passed through this optical filtering 306, as ultraviolet ray, infrared ray etc.As shown in Figure 3, Photosensing Units 308 is located at housing 302 interior positions corresponding to holes 304, in order to the ray of reception by optical filtering 306, and produces electric current I according to this.Judge 310 electric current I that produce according to Photosensing Units 308 of module, judge the intensity of ray.Therefore for instance, ultraviolet wavelength coverage is 200nm to 400nm, if want the ultraviolet intensity of sensing, the wavelength coverage of then setting the ray that optical filtering 306 can pass through is 200nm to 400nm.Thus, optical filtering 306 can and filter ray beyond the ultraviolet ray by ultraviolet ray, and the characteristic of Photosensing Units 308 is, receives the light of varying strength or different wave length, can reflect the electric currents of different sizes.Therefore, the present invention produces different big or small electric current I according to the ultraviolet ray of the varying strength that passes through optical filtering 306, judges module 310 to input to, thereby judges ultraviolet intensity.
Therefore, transmitted intensity sensing apparatus 300 is to see through optical filtering 306, filters out particular ray, sees through Photosensing Units 308 again, produces the electric current I of different sizes according to this ray.Because general Photosensing Units is small current value (for example being unit with the millivolt) according to the electric current that light produced,, again the electric current (or voltage) after amplifying is judged so need in judging module, amplify the current value of this Photosensing Units input earlier.In other words, judge the size of module 310, judge the intensity of ray according to electric current I.Wherein, judge that the realization of module 310 is not limited to any type of circuit, as long as can be according to the size of electric current I, the intensity of judging ray gets final product.For instance, please refer to Fig. 4, Fig. 4 judges the synoptic diagram of module 400 for one embodiment of the invention.Judge module 400 in order to realize judging module 310 among Fig. 3, it includes resistance 402, voltage controlled oscillator 404, frequency computation part unit 406, reaches transmitted intensity judging unit 408.The electric current I that resistance 402 produces in order to the Photosensing Units 308 that receives Fig. 3, and produce voltage V accordingly to voltage controlled oscillator 404 at two ends.Voltage controlled oscillator 404 exportable oscillation signal V
SinTo frequency computation part unit 406, and can change oscillation signal V according to the size of voltage V
SinOscillation frequency.Frequency computation part unit 406 is in order to calculate oscillation signal V
SinOscillation frequency, and export judged result to transmitted intensity judging unit 408, then transmitted intensity judging unit 408 can be according to oscillation signal V
SinOscillation frequency, with reference to default question blank to judge transmitted intensity.In other words, the judgement module 400 of Fig. 4 is according to the size of the electric current I of Photosensing Units 308 generations of Fig. 3, produces corresponding voltage V by resistance 402, is produced the oscillation signal V of different frequency again according to the size of voltage V by voltage controlled oscillator 404
SinThen, by frequency computation part unit 406, calculate oscillation signal V
SinFrequency.At last, according to oscillation signal V
SinOscillation frequency, judge transmitted intensities by transmitted intensity judging unit 408.
By judging module 400, the transmitted intensity sensing apparatus 300 of Fig. 3 can reach the purpose of accurate measurement particular ray intensity by the high sensitivity of voltage controlled oscillator 404.Simultaneously, in the present invention, need not use photoresistance can measure transmitted intensity, therefore can shorten the measurement time.In addition, transmitted intensity sensing apparatus 300 also can comprise output module, caution module or proofread and correct module.The output module sees through the corresponding signals of device output such as screen, pilot lamp in order to according to the judged result of judging module 310 (or judging module 400); The caution module is in order to when judging that transmitted intensity that module 310 (or judging module 400) is judged is greater than preset value, the output alerting; Proofread and correct module and then judge module 310 (or judging module 400) in order to proofread and correct.
Please refer to Fig. 5, but Fig. 5 is the synoptic diagram of the device for mobile communication 500 of second embodiment of the invention sensing intensity of ray.Device for mobile communication 500 can be the device of tool mobile communication such as mobile phone, personal digital assistant, and it includes housing 502, mobile communication module 504, image capture unit 506, optical filtering 510, reaches and judge module 512.Include holes on the housing 502 in order to image capture unit 506 to be set; Image capture unit 506 includes camera lens 508, Photosensing Units (not being plotted among Fig. 5), reaches image-processing circuit 509, and camera lens 508 is located on the holes of housing 502, in order to image is projected on the Photosensing Units; The characteristic of Photosensing Units is, receives the light of varying strength or different wave length, can reflect the electric currents (in each pixel, corresponding to electric current red, blue, green glow) of different sizes; 509 electric currents that produce according to Photosensing Units of image-processing circuit, image output.On the other hand, optical filtering 510 changeable being arranged on the camera lens 508, it can filter light, so that the particular ray that wavelength drops in the particular range is passed through this optical filtering 510, as ultraviolet ray, infrared ray, radiant rays etc.Therefore for instance, ultraviolet wavelength coverage is 200nm to 400nm, if want the ultraviolet intensity of sensing, the wavelength coverage of then setting the ray that optical filtering 510 can pass through is 200nm to 400nm.In this case, when optical filtering 510 was arranged on the camera lens 508, optical filtering 510 can and filter ultraviolet ray ray in addition by ultraviolet ray, and then the ray that is projected on the Photosensing Units by camera lens 508 is ultraviolet ray.Then, by judging module 512, judge ultraviolet intensity with the electric current that produces according to Photosensing Units.Judge that module 512 can be according to judgement module shown in Figure 4 400 realizations; Wherein, the voltage controlled oscillator 404 and the frequency computation part unit 406 of judgement module 400 can be replaced in the shared mode of multiplex (MUX) by interlock circuit in the transceiver of device for mobile communication 500.
In addition, mobile communication module 504 includes central processing unit 514 and storage device 516.Have source code 518 in the storage device 516, central processing unit 514 can be carried out source code 518.Source code 518 comprises carries out the step of measuring the ray instruction, after switching on the camera lens 508 at optical filtering 510, by judging module 512 judgement transmitted intensities.In addition, can further comprise in the instruction of source code 518 according to the judged result of judging module 512, the signal (as sound, flash of light, numeral etc.) that output is corresponding, or the brightness of the screen (not being plotted among Fig. 5) of adjustment device for mobile communication 500 reach purpose of power saving.In addition, also can be included in the judged result during of judging module 512 in the instruction of source code 518 greater than preset value, export alerting, or relevent information (as tanning by the sun time, the amount of tanning by the sun etc.) is sent to the health control center by mobile communication module 504, to provide medical institutions' statistics for future reference.Certainly, device for mobile communication 500 also can built-in or external mode be provided with the correction module, to proofread and correct the accuracy of judging module 512.
As previously mentioned,, ultraviolet ray look into because can't being seen by naked eyes, though cloudy day or still may be subjected to ultraviolet irradiation indoor, and some light also may hide excessive ultraviolet ray, and long-term irradiation can influence health equally.Therefore, if the ultraviolet ray that can measure the site whenever and wherever possible then can be protected, with the injury that prevents that excessive ultraviolet ray from bringing in good time.Yet prior art be except can't accurately measuring the ultraviolet intensity, also be subject to photoresistance turnaround time so that can't be immediately, measure fast.By contrast, the present invention filters out the ray of specific wavelength by optical filtering, produces corresponding electric current by Photosensing Units, and the high sensitivity by voltage controlled oscillator, reaches accurate and instant measurement.In addition,, need only wavelength coverage, change different optical filterings, can measure the intensity of other ray, as infrared ray, radiant rays etc. according to the ray of required measurement except the sensing ultraviolet ray.Therefore, the present invention can measure the ultraviolet ray of site whenever and wherever possible, and can be immediately, measure fast, significantly improve the shortcoming of prior art.
The above only is the preferred embodiments of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
The main element symbol description
100 ultraviolet sensor 102 photo resistance
104,402 resistance, 106 comparison circuits
300 transmitted intensity sensing apparatus
302,502 housings 306,510 optical filterings
308 Photosensing Units 310,400,512 are judged module
404 controlled oscillators, 406 frequency computation part unit
408 transmitted intensity judging units, 500 device for mobile communication
504 mobile communication modules, 506 image capture units
508 camera lenses, 509 image-processing circuits
514 central processing units, 516 storage devices
518 source codes.
Claims (17)
1. one kind is used for the electronic installation of sensing intensity of ray, and it includes:
Housing comprises holes;
Optical filtering is arranged on the described holes, in order to filter light, so that particular ray is passed through in the described light;
Photosensing Units is located at the interior position corresponding to described holes of described housing, in order to the described particular ray of reception by described optical filtering, and produces corresponding electric current according to this; And
Judge module, be electrically connected in described Photosensing Units, according to the described electric current of described Photosensing Units generation, in order to judge the intensity of described particular ray.
2. electronic installation according to claim 1, wherein said judgement module includes:
Resistance is connected in described Photosensing Units, and the electric current that described Photosensing Units the produces described resistance of flowing through is so that described resistance two ends produce voltage difference;
Voltage controlled oscillator is electrically connected in the two ends of described resistance, in order to the described voltage difference according to described resistance two ends, produces oscillation signal;
The frequency computation part unit is electrically connected in described voltage controlled oscillator, in order to judge the frequency of described oscillation signal; And
The transmitted intensity judging unit is electrically connected in described frequency computation part unit, in order to the frequency of being judged according to described frequency computation part unit, judges the intensity of described particular ray.
3. electronic installation according to claim 1, wherein said particular ray are the ray that wavelength drops on particular range.
4. electronic installation according to claim 1, it also comprises the output module, in order to judged result according to described judgement module, the signal that output is corresponding.
5. electronic installation according to claim 4, wherein said output module can be by the judged result of the described judgement module of screen display.
6. electronic installation according to claim 4, wherein said output module can show the judged result of described judgement module by pilot lamp.
7. electronic installation according to claim 1, it also comprises the caution module, in order to judged result according to described judgement module, in the intensity of described particular ray during greater than preset value, the output alerting.
8. electronic installation according to claim 1, it also comprises the correction module, in order to proofread and correct described judgement module.
9. electronic installation according to claim 1, it is arranged in the device for mobile communication.
But 10. the device for mobile communication of a sensing intensity of ray, it includes:
Housing comprises holes;
The mobile communication module is in order to carry out mobile communication;
Image capture unit is located on the described holes, and it includes:
Camera lens is installed on the described holes;
Photosensing Units is located at the interior position corresponding to described camera lens of described housing,
In order to the ray of reception, and produce corresponding electric current according to this by described camera lens; And
Image-processing circuit is in order to the described electric current that produces according to described Photosensing Units, image output;
Optical filtering, changeable being arranged on the described camera lens is in order to filter light, so that particular ray is passed through in the described light; And
Judge module, be electrically connected in described Photosensing Units, according to the described electric current of described Photosensing Units generation, in order to judge the intensity of described particular ray.
11. device for mobile communication according to claim 10, wherein said judgement module includes:
Resistance is connected in described Photosensing Units, and the electric current that described Photosensing Units the produces described resistance of flowing through is so that described resistance two ends produce voltage difference;
Voltage controlled oscillator is electrically connected in the two ends of described resistance, in order to the described voltage difference according to described resistance two ends, produces oscillation signal;
The frequency computation part unit is electrically connected in described voltage controlled oscillator, in order to judge the frequency of described oscillation signal; And
The transmitted intensity judging unit is electrically connected in described frequency computation part unit, in order to the frequency of being judged according to described frequency computation part unit, judges the intensity of described particular ray.
12. device for mobile communication according to claim 10, wherein said particular ray are the ray that wavelength drops on particular range.
13. device for mobile communication according to claim 10, wherein said mobile communication module includes:
Central processing unit; And
Storage device is measured the ray instruction in order to store source code, to be included in the instruction of described source code to receive, and described optical filtering judges that by described judgement module wavelength falls within the intensity of described particular ray when switching on the described camera lens.
14. device for mobile communication according to claim 13 also comprises the judged result according to described judgement module in the instruction of wherein said source code, adjust the brightness of the screen of described device for mobile communication.
15. device for mobile communication according to claim 13 also comprises the judged result according to described judgement module in the instruction of wherein said source code, the signal that output is corresponding.
16. device for mobile communication according to claim 13, the judged result that also is included in described judgement module in the instruction of wherein said source code be during greater than preset value, the output alerting.
17. device for mobile communication according to claim 10, it also comprises the correction module, in order to proofread and correct described judgement module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101403363A CN101191744A (en) | 2006-11-27 | 2006-11-27 | Electronic device for sensing intensity of ray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101403363A CN101191744A (en) | 2006-11-27 | 2006-11-27 | Electronic device for sensing intensity of ray |
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| Publication Number | Publication Date |
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| CN101191744A true CN101191744A (en) | 2008-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101403363A Pending CN101191744A (en) | 2006-11-27 | 2006-11-27 | Electronic device for sensing intensity of ray |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052857A (en) * | 2016-08-22 | 2016-10-26 | 成都三零嘉微电子有限公司 | Photoelectric detection circuit with temperature compensation function |
| CN107346039A (en) * | 2017-06-23 | 2017-11-14 | 广东小天才科技有限公司 | Eyeglass and the awareness apparatus applied to anti-blue light product |
| CN112987071A (en) * | 2019-12-13 | 2021-06-18 | 晋原光电有限公司 | Sensor for sensing X-ray machine for eliminating static electricity |
-
2006
- 2006-11-27 CN CNA2006101403363A patent/CN101191744A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052857A (en) * | 2016-08-22 | 2016-10-26 | 成都三零嘉微电子有限公司 | Photoelectric detection circuit with temperature compensation function |
| CN106052857B (en) * | 2016-08-22 | 2017-12-01 | 成都三零嘉微电子有限公司 | A kind of photoelectric detective circuit with temperature compensation function |
| CN107346039A (en) * | 2017-06-23 | 2017-11-14 | 广东小天才科技有限公司 | Eyeglass and the awareness apparatus applied to anti-blue light product |
| CN112987071A (en) * | 2019-12-13 | 2021-06-18 | 晋原光电有限公司 | Sensor for sensing X-ray machine for eliminating static electricity |
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Open date: 20080604 |