CN108027278A - Lighting detecting device and its method - Google Patents
Lighting detecting device and its method Download PDFInfo
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- CN108027278A CN108027278A CN201680049116.1A CN201680049116A CN108027278A CN 108027278 A CN108027278 A CN 108027278A CN 201680049116 A CN201680049116 A CN 201680049116A CN 108027278 A CN108027278 A CN 108027278A
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- 238000005286 illumination Methods 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 19
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- 238000001514 detection method Methods 0.000 claims description 12
- 230000004069 differentiation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 239000006059 cover glass Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses lighting detecting device and its method, it includes：First output unit, receives the first incident light for including visible rays field and infrared ray field from light source output, first electric signal of the output corresponding to first incident light；Second output unit, receives the visible rays field of wave-length coverage and second incident light in infrared ray field for including selecting in first incident light, second electric signal of the output corresponding to second incident light；And signal processing unit, with reference to the first electric signal and the second electric signal of the output, the illumination value to the light source is obtained, is analyzed at least one in the species and characteristic of the light source.
Description
Technical field
The present invention relates to lighting detecting device and its method, in more detail, relate to the use of including visible rays field and red
First incident light in outside line field and the visible rays field of the wave-length coverage including being selected in the first incident light and infrared ray neck
Second incident light in domain, obtains lighting detecting device and its method to the illumination value of light source.
Technical background
The optical diode to light source peripheral light is received, it is wide with fast response time, sensitivity wavelength, and photoelectric current is linear
Good feature, is used for the intensity for measuring light source.
The lighting detecting device of the measurable periphery brightness to light source, the light (or incident light) on periphery is received from light source,
The photoelectric current to incident light is measured, therefore, it may include optical diode.
Existing lighting detecting device, to the identical exportable different numerical value of illumination, because photograph may be present in different numerical value
Bright error, and the problem of may be present because of the error under the performance of the electronic instrument including lighting detecting device.
In order to improve the problem of above-mentioned, existing Ebrean Registered Patent the 1370761st and U.S.'s registered patent
No. 6596981, disclose and receive two incident lights, detect 2 channel lighting detecting devices of illumination value.
Existing Ebrean Registered Patent the 1370761st is based on the incidence for including visible rays frequency band and infrared band
Light and incident light include the light of visible rays frequency band, detect the technology of illumination value, existing U.S.'s registered patent the 6596981st
Number situation, be that infrared band is included based on the incident light including visible rays frequency band and infrared band and incident light
Light, detects the technology of illumination value.
But above-mentioned prior art detection illumination value, while the species (example of the light source related with illumination value can be distinguished
Such as, the light source of white heat series and fluorescence series), but with characteristic that is unavailable and analyzing light source (for example, by wavelength light source
Characteristic) the problem of.
Look-ahead technique document Prior Art
Patent document
Ebrean Registered Patent the 1370761st (2014.02.27) " 2 channel lighting detecting devices and its method "
U.S.'s registered patent the 6596981st (2003.07.22) " have special discriminating fluorescence detector method and
Device (Method and apparatus for optical detector with special discrimination) "
The content of the invention
Technical task
The present invention provides using the first incident light for including visible rays field and infrared ray field and incident including first
The visible rays field of the wave-length coverage selected in light and second incident light in infrared ray field, obtain to the illumination value of light source
Lighting detecting device and its method.
The present invention is provided with reference to the first electric signal of differentiation and the ratio of the second electric signal and the threshold value of light source is used for, and analyzes light
The species in source, compares in visible rays field by wavelength light source property list and the second electric signal, analyzes the illumination of light source characteristic
Detection device and its method.
Technical solution
According to an embodiment of the invention, lighting detecting device, it includes：First output unit, receives from light source output
The first incident light including visible rays field and infrared ray field, first telecommunications of the output corresponding to first incident light
Number；Second output unit, receives visible rays field and the infrared ray of the wave-length coverage for including being selected in first incident light
Second incident light in field, second electric signal of the output corresponding to second incident light；And signal processing unit, with reference to described in
The first electric signal and the second electric signal of output, obtain the illumination value to the light source, analyze the species and characteristic of the light source
In it is at least one.
The signal processing unit is with reference to the ratio and the light source for being used to distinguish the first electric signal and the second electric signal
Threshold value, can obtain the illumination value.
According to embodiment, the signal processing unit is in the ratio of first electric signal and the second electric signal than the threshold
When being worth identical or big, by following【Mathematical expression 1】Obtain the illumination value, and the ratio of first electric signal and the second electric signal
When rate is smaller than the threshold value, by following【Mathematical expression 2】The illumination value can be obtained.
【Mathematical expression 1】
Lux=(A × Ch0)-B
【Mathematical expression 2】
Lux=(C × Ch0)+D
(wherein, the Lux is that the illumination value, the Ch0 are first electric signals, and A, B, C, D are according to light source
The variable constant of environment).
In addition, ratio and the threshold value of the signal processing unit with reference to first electric signal and the second electric signal,
The species of the light source can be analyzed, and is compared in the visible rays field by wavelength light source property list and second telecommunications
Number, the characteristic of the light source can be analyzed.
According to an embodiment of the invention, lighting detecting device may also include：Filter unit, selects in first incident light
Property by the visible rays field and infrared ray field of selected wave-length coverage, exported to second output unit.
First output unit and second output unit, it may include optotransistor, optical diode and light integrate electricity
It is at least one in road (IC).
According to an embodiment of the invention, detection method is illuminated, its step includes：Receiving from light source output includes visible light
Line field and first incident light in infrared ray field, first electric signal of the output corresponding to first incident light；Reception includes
The visible rays field of the wave-length coverage selected in first incident light and second incident light in infrared ray field, output correspond to
In the second electric signal of second incident light；And the first electric signal and the second electric signal with reference to the output, obtain to institute
The illumination value of light source is stated, is analyzed at least one in the species and characteristic of the light source.
The step of obtaining the illumination value to the light source, with reference to the ratio for being used to distinguish the first electric signal and the second electric signal
And the threshold value of the light source, the illumination value can be obtained.
According to embodiment, analyze step at least one in the species and characteristic of the light source, with reference to the first electric signal and
The ratio of second electric signal and the threshold value, can analyze the species of the light source, and compare the visible rays field by
Wavelength light source property list and second electric signal, can analyze the characteristic of the light source.
According to an embodiment of the invention, detection method is illuminated, its step may also include：In first incident light, selection
Property pass through the visible rays field of selected wave-length coverage and infrared ray domain variability and export.
Technique effect
The present invention, which utilizes, includes first incident light in visible rays field and infrared ray field and including in the first incident light
The visible rays field of the wave-length coverage of selection and second incident light in infrared ray field, can obtain the illumination value to light source.
The present invention can analyze light source with reference to the first electric signal of differentiation and the ratio of the second electric signal and the threshold value of light source is used for
Species, compare in visible rays field by wavelength light source property list and the second electric signal, light source characteristic can be analyzed.
Brief description of the drawings
Fig. 1 is the block diagram for showing lighting detecting device according to an embodiment of the invention.
Fig. 2 is to show the first incident light received from the first output unit and the second incidence received from the second output unit
The example of the characteristic of light.
Fig. 3 is to show to analyze the flow of the process of light source species and acquisition to the process of light source illumination value according to embodiment
Figure.
Fig. 4 is the example by wavelength light source property list shown in visible rays field.
Fig. 5 is the flow chart for showing illumination detection method according to an embodiment of the invention.
Embodiment
Hereinafter, referring to the drawings and the content of attached drawing is recorded in, explains the embodiment of the present invention, but the present invention is unlimited
Make or be defined in embodiment.
On the one hand, during the present invention is illustrated, illustrating to related known ability or composition is judged, it is not necessary to
Strategic point obscures when putting of the present invention, omits it and explains.Also, in the term that this specification uses
(terminology) it is term in order to suitably show the embodiment of the present invention and use, this can be according to user, network operator
The difference such as intention or convention of the art.Therefore, should be with this specification entire content to the definition of this term
Based on it is lower fixed.
Fig. 1 is the block diagram for showing lighting detecting device according to an embodiment of the invention.
With reference to Fig. 1, lighting detecting device 100 includes the first output unit 110, the second output unit 130 and signal processing
Unit 140.
First output unit 110 receives the first incidence for including visible rays field and infrared ray field from light source output
Light, first electric signal of the output corresponding to the first incident light.
In more detail, the first output unit 110 receives light source, i.e., enters from the first of the measurement light source output of illumination to be measured
Penetrate light, the first electric signal of exportable the first incident light to reception.
First output unit 110 may include the receipts optical element of at least more than one, the receipts optical element of at least more than one, can
Optotransistor (Photo-transistor), optical diode (photo-diode), light including being formed on the semiconductor integrate electricity
It is at least one in road (Photo IC).Optical element is received in addition to above-mentioned element, it may include receive all elements of light.
Second output unit 130 receives the visible rays field of wave-length coverage that includes being selected in the first incident light and infrared
Second incident light in line field, second electric signal of the output corresponding to the second incident light.
In more detail, the second output unit 130 is received from the first incident light of the measurement light source output of illumination to be measured
The visible rays field of wave-length coverage including selection and second incident light in infrared ray field, it is exportable to correspond to the second incidence
Second electric signal of light.
The wave-length coverage of selection may include multi-wavelength's scope based on wave filter described later design, and may include measurement
The species of light source and the wave-length coverage for considering light source peripheral characteristics.
In addition, the wave-length coverage of selection may include the wavelength model for considering the acting characteristic of specific light source (for example, LED light source)
Enclose.
Wherein, the second output unit 130 may include the receipts optical element of at least more than one, the receipts light member of at least more than one
Part, it may include formed at least one in optotransistor on the semiconductor, optical diode, optic integrated circuit.In addition, it is included in
One output unit 110 and each receipts optical element of the second output unit 130 can be identical elements or different
Element.
According to an embodiment of the invention, lighting detecting device 100 may also include filter unit 120.
Filter unit 120 is optionally through the visible rays field of the wave-length coverage selected in the first incident light and infrared
Line field, can export to the second output unit 130.
According to embodiment, filter unit 120 considers light source species and characteristic described later, optionally through the ripple of selection
The visible rays field of long scope, can pass through infrared ray field.
Wherein, filter unit 120 is using the visible rays field of wave-length coverage optionally through selection and infrared
Low-pass filter (LPF, Low Pass Filter), bandpass filter (BPF, Band Pass Filter) and the spelling in line field
It is at least one in resistance wave filter (BSP, Band Stop Filter), it can be combined and utilize above-mentioned wave filter.In addition, the band logical
Wave filter may imply that there is the wave filter that the pass band filter characteristic formed is combined by more than one color filter.
Bandpass filter can be mainly by the wave filter in visible rays field, can be by 300nm to 700nm wavelength
The interior frequency band arbitrarily limited.
Low-pass filter can mainly can pass through 700nm to 1100nm wavelength by the wave filter in infrared ray field.
Hereinafter, with reference to Fig. 2, the first incident light of reception and the characteristic of the second incident light are explained.
Fig. 2 is to show the first incident light received from the first output unit and the second incidence received from the second output unit
The example of the characteristic of light.
With reference to Fig. 2, the first output unit 110 can receive first incidence in the infrared ray field including visible rays field
Light.
Preferably, the first output unit 110 can receive the 300nm including visible rays field and infrared ray field extremely
First incident light of 1100nm wavelength.
Second output unit 130 can receive the visible rays field of wave-length coverage including being selected in the first incident light and red
Second incident light in outside line field.
In more detail, the second output unit 130 can receive the visible light of the wave-length coverage including being selected in the first incident light
The wavelength in line field and the 700nm in infrared ray field to 1100nm wavelength the second incident light.
Fig. 1 is referred again to, signal processing unit 140 is obtained to light source with reference to the first electric signal and the second electric signal of output
Illumination value, analyze at least one in the species and characteristic of light source.
According to embodiment, signal processing unit 140 with reference to for distinguish the first electric signal and the second electric signal ratio and
The threshold value of light source, can obtain illumination value.
In more detail, signal processing unit 140 is more identical or big than threshold value in the ratio of the first electric signal and the second electric signal
When, by following【Mathematical expression 1】Illumination value is obtained, and when the ratio of the first electric signal and the second electric signal is smaller than threshold value, is passed through
Below【Mathematical expression 2】The illumination value can be obtained.
【Mathematical expression 1】
Lux=(A × Ch0)-B
【Mathematical expression 2】
Lux=(C × Ch0)+D
Wherein, the Lux is that the illumination value, the Ch0 are first electric signals, and A, B, C, D are according to light source
The variable constant of environment.
The environment of light source shows real sensor, and the inherent characteristic that installed in electronic instrument when has, is deposited in mobile phone and TV
In cover glass and bezel, according to the design of the element of its cover glass of making and bezel, mobile phone and TV, multiple color is showed.
Accordingly, it is special dependent on the display light by for example a variety of transmissions of wavelength, reflection, complications etc. according to cover glass and bezel
The lighting environment of property, according to the environment of light source, reflects the value that its each characteristic value is maked corrections, can determine above-mentioned A, B, C, D
Constant value.
The ratio of first electric signal and the second electric signal is ratio (Ch1/Ch0) of second electric signal to the first electric signal, Ch1
It is the second electric signal.
For example, in the environment of such as incandescent lamp or halogen light source, it is described【Mathematical expression 1】Can be by following【Mathematical expression 3】Performance,
, can be by following in the environment of the light source of such as LED or fluorescent lamp【Mathematical expression 4】Performance.
【Mathematical expression 3】
Lux=(0.0174 × Ch0) -8.9705
【Mathematical expression 4】
Lux=(0.093 × Ch0)+1.27
(wherein, the Lux is the illumination value, and the Ch0 is first electric signal)
According to embodiment, signal processing unit 140 can divide with reference to the ratio and threshold value of the first electric signal and the second electric signal
Analyse the species of light source.Hereinafter, the process of analysis light source species is explained and to obtaining to the illumination value of light source with reference to Fig. 3
Process.
Fig. 3 is to show to analyze the flow of the process of light source species and acquisition to the process of light source illumination value according to embodiment
Figure.
With reference to Fig. 3, lighting detecting device exports electric signal in step 310.
In more detail, illumination testing apparatus is in step 310, and receiving from light source output includes visible rays field and infrared
First incident light in line field, output corresponds to the first electric signal of the first incident light, and reception includes selecting in the first incident light
The visible rays field for the wave-length coverage selected and second incident light in infrared ray field, it is exportable to correspond to the of the second incident light
Two electric signals.
Lighting detecting device is in step 320, the ratio and threshold value of comparable first electric signal and the second electric signal.
Lighting detecting device is in step 330a, when the ratio of the first electric signal and the second electric signal is more identical than threshold value or big,
It can be identified as the light source of incandescent serial (for example, incandescent lamp halogen).
In addition, lighting detecting device is in step 330b, can when the ratio of the first electric signal and the second electric signal is smaller than threshold value
It is determined as serial (the fluorescent lamp, LED) light source of fluorescence.
Lighting detecting device is in step 340a, the ratio of the first electric signal and the second electric signal feelings more identical than threshold value or big
Condition, it is therefore, applicable above-mentioned【Mathematical expression 1】Obtain illumination value.
In addition, lighting detecting device is in step 340b, the ratio of the first electric signal and the second electric signal feelings smaller than threshold value
Condition, it is therefore, applicable above-mentioned【Mathematical expression 2】Obtain illumination value.
Fig. 1 is referred again to, signal processing unit 140 compares in visible rays field by wavelength light source property list and the second electricity
Signal, can analyze the characteristic of light source.
Hereinafter, with reference to Fig. 4, explain and compare in visible rays field by wavelength light source property list and the second telecommunications
Number, analyze the example of the characteristic of light source.
Fig. 4 is the example by wavelength light source property list shown in visible rays field.
With reference to Fig. 4, signal processing unit 140 compares in visible rays field by wavelength light source property list and the second telecommunications
Number, the characteristic of light source can be analyzed.
According to embodiment, by wavelength light source property list, it is distinguished by the color of LED light source, distinguishes the characteristic of light source, can wrapped
Include the wavelength value corresponding to LED light source color.
For example, such as light source characteristic table of Fig. 4, when LED light source can have blueness when 470nm, green when 570nm, yellow
590nm, it is orange when 605nm and it is red when 625nm wavelength value.Wherein, can corresponding to the wavelength value of each LED light source color
Including average value, on the basis of average value, it may include marginal value.
According to embodiment, by wavelength light source property list, in addition to above-mentioned color, it may include multiple color and corresponding to a variety of
The wavelength value of color.
Accordingly, signal processing unit 140 compares in visible rays field by wavelength light source property list and the second electric signal,
The characteristic of light source can be analyzed.
In more detail, signal processing unit 140 compares in visible rays field by wavelength light source property list and being included in
Second electric signal in the visible rays field of the wave-length coverage of selection, can analyze the characteristic of light source.
Fig. 5 is the flow chart for showing illumination detection method according to an embodiment of the invention.
With reference to Fig. 5, lighting detecting device is received from the visible rays field of light source output and infrared ray neck in step 510
First incident light in domain, first electric signal of the output corresponding to the first incident light.
Lighting detecting device is led in step 520, the visible rays for receiving the wave-length coverage for including being selected in the first incident light
Domain and second incident light in infrared ray field, second electric signal of the output corresponding to the second incident light.
Design of the wave-length coverage of selection based on wave filter, it may include multi-wavelength's scope, it may include consider the light of measurement
The wave-length coverage of source category and light source peripheral characteristics.
In addition, the wave-length coverage of selection may include the wavelength model for considering the acting characteristic of specific light source (for example, LED light source)
Enclose.
First incident light or the second incident light, can be received by the receipts optical element of at least more than one, at least more than one
Receipts optical element, it may include formed at least one in optotransistor on the semiconductor, optical diode and optic integrated circuit.Receive light
Element is in addition to above-mentioned element, it may include receives all elements of light.
According to embodiment, in detection method is illuminated, its step may also include, lighting detecting device optionally through
The step of visible rays field and infrared ray field of the wave-length coverage of first incident light selection, output.
For example, lighting detecting device considers the species and characteristic of light source, optionally through the wave-length coverage of selection
Visible rays field, can pass through infrared ray field.
The first electric signal and the second electric signal that lighting detecting device is exported in step 530, reference, obtain the photograph to light source
Bright value, is analyzed at least one in the species and characteristic of light source.
According to embodiment, lighting detecting device is in step 530, with reference to being used to distinguishing the first electric signal and the second electric signal
The threshold value of ratio and light source, can obtain illumination value.
In more detail, for lighting detecting device in step 530, the ratio of the first electric signal and the second electric signal is more identical than threshold value
Or when big, by above-mentioned【Mathematical expression 1】Illumination value is obtained, and the ratio of the first electric signal and the second electric signal is smaller than threshold value
When, can be by above-mentioned【Mathematical expression 2】Obtain illumination value.
According to embodiment, lighting detecting device is in step 530, with reference to the ratio and threshold of the first electric signal and the second electric signal
Value, can analyze the species of light source, compare in visible rays field by wavelength light source property list and the second electric signal, can analyze light
The characteristic in source.
Method according to the embodiment can be recorded in the form of the programmed instruction that can perform by a variety of computer means and be counted
In calculation machine readable media.Computer-readable media may include independent or combination programmed instruction, data file, data structure
Deng.Media and programmed instruction can be especially designed and create for the present invention, or be answered for computer software technology personnel are known
With.The example of computer-readable media includes：Magnetic media (magnetic media), such as hard disk, floppy disk and tape；Optical media
(optical media), such as CD ROM, DVD；Magneto-optical media (magneto-optical media), such as CD (floptical
disk)；Be specially configured to storage and execute program instructions hardware unit, such as read-only storage (ROM), random access memory
Device (RAM) etc..The example of programmed instruction, both includes the machine code produced by compiler, also includes the use of interpretive program and simultaneously may be used
The higher-level language code being performed by computer.To perform the running of embodiment, the hardware unit can be configured as with one
Software mould more than a operates, and vice versa.
As it appears from the above, although the present invention is illustrated that the invention is not restricted to the reality by the embodiment sheath figure limited
Example is applied, and those skilled in the art can carry out various modifications and changes from these equipment.For example, explanation technology and say
The inscapes such as the different system for being performed and/or illustrating of bright method, structure, device, circuit are different from the method that rope is ordered
Combination of shape and state either combine or replaced through other inscapes or equipollent or displacement also can reach appropriate knot
Fruit.
Therefore, other embody, other embodiment and impartial with claim, fall within right described later.
Claims (13)
1. a kind of lighting detecting device, it includes：
First output unit, receives the first incident light for including visible rays field and infrared ray field from light source output, defeated
Go out to correspond to the first electric signal of first incident light；
Second output unit, receives visible rays field and the infrared ray of the wave-length coverage for including being selected in first incident light
Second incident light in field, second electric signal of the output corresponding to second incident light；And
Signal processing unit, with reference to the first electric signal and the second electric signal of the output, obtains the illumination value to the light source,
Analyze at least one in the species and characteristic of the light source.
2. lighting detecting device according to claim 1, wherein, the signal processing unit is electric with reference to differentiation first is used for
The threshold value of the ratio and the light source of signal and the second electric signal, obtains the illumination value.
3. lighting detecting device according to claim 2, wherein, the signal processing unit in first electric signal and
When the ratio of second electric signal is more identical than the threshold value or big, by following【Mathematical expression 1】Obtain the illumination value, and described
When the ratio of one electric signal and the second electric signal is smaller than the threshold value, by following【Mathematical expression 2】The illumination value is obtained,
【Mathematical expression 1】
Lux=(A × Ch0)-B
【Mathematical expression 2】
Lux=(C × Ch0)+D
Wherein, the Lux is that the illumination value, the Ch0 are first electric signals, and A, B, C, D are the rings according to light source
The variable constant in border.
4. lighting detecting device according to claim 2, wherein, the signal processing unit is with reference to first electric signal
And second electric signal ratio and the threshold value, analyze the species of the light source.
5. lighting detecting device according to claim 1, wherein, the signal processing unit compares in the visible rays
The characteristic pressed wavelength light source property list and second electric signal, analyze the light source in field.
6. lighting detecting device according to claim 1, further includes：
Filter unit, in first incident light optionally through the visible rays field of selected wave-length coverage and red
Outside line field, exports to second output unit.
7. lighting detecting device according to claim 1, wherein, first output unit and second output are single
It is at least one in member, including optotransistor, optical diode and optic integrated circuit.
8. one kind illumination detection method, its step include：
Receive the first incident light for including visible rays field and infrared ray field from light source output, output corresponds to described the
First electric signal of one incident light；
Receive the visible rays field of wave-length coverage for including selecting in first incident light and the second of infrared ray field enters
Penetrate light, second electric signal of the output corresponding to second incident light；And
With reference to the first electric signal and the second electric signal of the output, the illumination value to the light source is obtained, analyzes the light source
Species and characteristic in it is at least one.
9. illumination detection method according to claim 8, wherein, the step of obtaining the illumination value to the light source, reference
For distinguishing the first electric signal and the ratio of the second electric signal and the threshold value of the light source, the illumination value is obtained.
10. illumination detection method according to claim 9, wherein, analyze at least one in the species and characteristic of the light source
Ratio and the threshold value of a step, the first electric signal of reference and the second electric signal, analyze the species of the light source.
11. illumination detection method according to claim 8, wherein, analyze at least one in the species and characteristic of the light source
A step, compares in the visible rays field by wavelength light source property list and second electric signal, analyzes the light
The characteristic in source.
12. illumination detection method according to claim 8, its step further include：
In first incident light, optionally through the visible rays field and infrared ray field of selected wave-length coverage
And export.
13. a kind of computer-readable recording medium, record is used for the method any one of perform claim requirement 8 to 12
Program.
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| KR10-2015-0120259 | 2015-08-26 | ||
| KR1020150120259A KR101766029B1 (en) | 2015-08-26 | 2015-08-26 | Apparatus for detecting illumination and method thereof |
| PCT/KR2016/006797 WO2017034140A1 (en) | 2015-08-26 | 2016-06-24 | Illumination intensity detection device and method therefof |
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| CN108027278A true CN108027278A (en) | 2018-05-11 |
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| KR (1) | KR101766029B1 (en) |
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| WO (1) | WO2017034140A1 (en) |
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| CN111310541A (en) * | 2019-11-27 | 2020-06-19 | Oppo广东移动通信有限公司 | Scene prediction method, terminal and storage medium |
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Also Published As
| Publication number | Publication date |
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| WO2017034140A1 (en) | 2017-03-02 |
| KR101766029B1 (en) | 2017-08-08 |
| KR20170024789A (en) | 2017-03-08 |
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