CN102519586B - Irradiance meter for laboratory and method for implementing irradiance meter - Google Patents
Irradiance meter for laboratory and method for implementing irradiance meter Download PDFInfo
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- CN102519586B CN102519586B CN201110447230.9A CN201110447230A CN102519586B CN 102519586 B CN102519586 B CN 102519586B CN 201110447230 A CN201110447230 A CN 201110447230A CN 102519586 B CN102519586 B CN 102519586B
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Abstract
The invention discloses an irradiance meter for a laboratory and a method for implementing the irradiance meter. The irradiance meter for the laboratory comprises a light probe, an electric signal detection module, a calculation module, a display module and a microprocessor control unit (MCU). The method comprises the following steps of: detecting the light energy of a light source to be detected by using the light probe, and converting the light energy into an electric signal; detecting whether the electric signal exists or not; calculating the detected electric signal to obtain a corresponding light energy value; and displaying the light energy value. The detected energy of the aged light source is converted into the electric signal by the light probe, and the electric signal is detected and calculated, so that the light energy of the aged light source is accurately detected; and compared with the conventional irradiance meter product which detects the light energy mainly through a photocell, the irradiance meter has the advantage that: the phenomenon that the actual light energy detected value cannot be reflected due to the interference of the electric signal which is converted and generated due to the change of ambient temperature when the light energy is detected is avoided. The irradiance meter accurately measures the light energy, is easy to control and implement, and is suitable for the field of detection of the aged light source of the laboratory.
Description
Technical field
The present invention relates to a kind of irradiance meter, especially a kind of laboratory irradiance meter.
Background technology
Burn-in test, refers to that the various factors that analog equipment relates in real service condition produces to product the process that aging situation is carried out corresponding conditions reinforcement experiment.The common aging illumination ageing that mainly contains, hydrothermal aging, hot blast is aging.When product is used out of doors, while being subject to solar irradiation for a long time, if want to understand the life-span that this product can be used out of doors, will carry out UV senile experiment by simulated solar ultraviolet light.
In illumination ageing, owing to will the intensity of illumination being controlled and be grasped, therefore, just need to accurately detect the energy of illumination.Irradiance meter is exactly the device of the detection luminous energy commonly used.But existing irradiance meter product is substantially all to detect detecting the luminous energy of the broad sense such as infrared light, ultraviolet light, less demanding to the degree of accuracy detecting.It is normally comprised of selenium cell or silicon photocell and microampere meter, and principle of work is that photoelectric cell is directly changed into photocurrent by the luminous energy of irradiation, and microampere meter detects photocurrent.In actual use, photoelectric cell also can be changed and generate electric signal interference according to the variation of environment temperature, and this has reduced measuring accuracy more, and in senile experiment, environment temperature requires can be higher.Obviously, existing irradiance meter product cannot meet the requirement of aging light source being carried out accuracy detection in aging test.
Summary of the invention
The object of this invention is to provide and a kind ofly can carry out the laboratory irradiance meter accurately detecting to aging light source.
A kind of laboratory of the present invention irradiance meter, comprising:
Light probe, carries out light energy detection and luminous energy is converted to electric stream number for treating photometry source;
Electrical signal detection module, for detection of whether there being electric signal;
Computing module, for the electric signal detecting is carried out to computing, draws corresponding luminous energy value;
Display module, for showing luminous energy value; And
Micro-processing MCU, for carrying out signal and data processing and control to light energy detection.
Further, light probe comprises photodiode and photoelectric commutator.
Further, also comprise a calibration module, calibration module prestores the luminous energy value of standard sources, and calibration operation Shi， testing laboratory standard sources, carries out parameter adjustment, makes the luminous energy value of detected value and standard sources consistent, completes calibration operation.
Further, also comprise the filter module of making an uproar, for the electric signal to after luminous energy conversion, carry out denoising.
Further, also comprise a data interlock module, the luminous energy value obtaining for the computing to computing module locks.
Another object of the present invention is to provide a kind ofly can carry out the laboratory irradiance meter implementation method accurately detecting to aging light source, comprises the following steps:
With light probe, treating photometry source carries out light energy detection and luminous energy is converted to electric signal;
Detect and whether have electric signal;
The electric signal detecting is carried out to computing, draw corresponding luminous energy value;
Luminous energy value is shown.
Further, with light probe, treat photometry source and carry out light energy detection and luminous energy is converted to before electric signal step, also comprise calibration steps.
Further, the electric signal detecting is carried out to computing, draw before corresponding luminous energy value step, also comprise that the electric signal to detecting carries out noise filtering treatment step.
Further, luminous energy value is being carried out to, in step display, luminous energy value is locked to rear demonstration.
The invention has the beneficial effects as follows: a kind of laboratory of the present invention irradiance meter adopts light probe that the aging energy of light source detecting is converted into electric signal, by the detection computations of electric signal, realize and detecting changing the accurate inspection of energy of light source.Be mainly by photoelectric cell, to detect luminous energy to compare with existing irradiance meter product, avoided due to the variation of environment temperature, changing the electric signal interference of generation when detecting luminous energy, cause and cannot reflect actual light energy detection value.It is accurate that a kind of laboratory of the present invention irradiance meter is not only measured luminous energy, and control and realize easily.
Another beneficial effect of the present invention is: the implementation method of a kind of laboratory of the present invention irradiance meter, adopt light probe to carry out opto-electronic conversion to the aging energy of light source detecting, by electric signal, carry out the accurate detection of computing realization to luminous energy, solved in existing detection method and adopted photoelectric cell detection to be subject to testing environment influence of temperature change and to cause measuring inaccurate problem.Adopt the implementation method of laboratory of the present invention irradiance meter, realized the accurate measurement to aging light source light energy.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the structural representation of a kind of laboratory irradiance meter of providing of embodiment mono-;
Fig. 2 is the structural representation of a kind of laboratory irradiance meter of providing of embodiment bis-;
Fig. 3 is the implementation method block diagram of a kind of laboratory irradiance meter of providing of embodiment tri-;
Fig. 4 is the implementation method block diagram of a kind of laboratory irradiance meter of providing of embodiment tetra-.
Embodiment
With reference to Fig. 1, a kind of laboratory of the present invention irradiance meter, comprises light probe, electrical signal detection module, computing module, display module and to moving the Micro-processor MCV of controlling in light energy detection.Light probe is treated photometry source and is carried out light energy detection, and the luminous energy detecting is converted to electric signal.When electrical signal detection module is when having electric signal, computing module carries out computing to electric signal, show that the pattern of corresponding luminous energy value ，Yi luminous energy unit shows by display module.
In the present embodiment, light probe comprises photodiode and photoelectric commutator.Be mainly by photoelectric cell, to detect luminous energy to compare with existing irradiance meter product, light probe can not changed and generate electric signal interference because of the variation of environment temperature when detecting luminous energy, thereby cause, cannot truly reflect actual light energy detection value.
With reference to Fig. 2, a kind of laboratory of the present invention irradiance, comprises light probe, electrical signal detection module, filter make an uproar module, computing module, display module, data interlock module, calibration module and to move the Micro-processor MCV of control in light energy detection.
In the present embodiment, calibration module prestores the luminous energy value of standard sources.When the overlong time of using, in the time of need to calibrating irradiance meter, use irradiance meter to detect laboratory standard light source, calibration module shows the luminous energy value that prestores standard sources by display module, thereby the luminous energy value by comparison detected value with the standard sources prestoring, directly carry out parameter adjustment, complete calibration operation.Irradiance meter after calibration operation completes is also easy to use at the second-class light source calibration to large-scale light aging equipment, makes light aging equipment have luminous energy to trace to the source.
Filter the module of making an uproar and the electric signal after luminous energy conversion is carried out to denoising, further improve the precision detecting.
In detection, the data that display module shows constantly change, and when showing that data are more stable, data interlock module locks this data value.
With reference to Fig. 3, the implementation method of a kind of laboratory irradiance meter that embodiment tri-provides, comprises the following steps:
With light probe, treating photometry source carries out light energy detection and luminous energy is converted to electric signal;
Detect and whether have electric signal;
The electric signal detecting is carried out to computing, draw corresponding luminous energy value;
Luminous energy value is shown.
With reference to Fig. 4, the implementation method of a kind of laboratory irradiance meter that embodiment tetra-provides, comprises the following steps:
Calibrate;
With light probe, treating photometry source carries out light energy detection and luminous energy is converted to electric signal;
Detect and whether have electric signal;
The electric signal detecting is carried out to noise filtering processing;
Electric signal after noise filtering is processed carries out computing, draws corresponding luminous energy value;
Luminous energy value is locked to rear demonstration.
In the present embodiment, when detecting, first carry out calibration operation.By testing laboratory's standard sources, carry out parameter adjustment, make detected value consistent with standard sources value, complete calibration operation.
When light probe, treat photometry source and carry out light energy detection and luminous energy is converted to after electric signal, this electric signal is filtered to the processing of making an uproar, to reduce noise, improve the degree of accuracy detecting.
After computing, obtain the constantly change demonstration on display module of luminous energy value, when showing that data are more stable, this data value is locked to rear demonstration.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (3)
1. a laboratory irradiance meter, is characterized in that: comprising:
Light probe, carries out light energy detection and luminous energy is converted to electric signal for treating photometry source;
Electrical signal detection module, for detection of whether there being electric signal;
Computing module, for the electric signal detecting is carried out to computing, draws corresponding luminous energy value;
Display module, for showing luminous energy value; And
Micro-processing MCU, for moving control to light energy detection;
Also comprise a calibration module, described calibration module prestores the luminous energy value of standard sources, and calibration operation Shi， testing laboratory standard sources, carries out parameter adjustment, makes the luminous energy value of detected value and standard sources consistent, completes calibration operation;
Also comprise the filter module of making an uproar, for the electric signal to after luminous energy conversion, carry out denoising;
Also comprise a data interlock module, the luminous energy value obtaining for the computing to computing module locks.
2. a kind of laboratory according to claim 1 irradiance meter, is characterized in that: described light probe comprises photodiode and photoelectric commutator.
3. an implementation method for laboratory irradiance meter, is characterized in that: comprise the following steps:
Calibrate, by testing laboratory's standard sources, carry out parameter adjustment, make detected value consistent with standard sources value, complete calibration operation;
With light probe, treating photometry source carries out light energy detection and luminous energy is converted to electric signal;
Detect and whether have electric signal;
The electric signal detecting is carried out to noise filtering processing;
The electric signal detecting is carried out to computing, draw corresponding luminous energy value;
Luminous energy value is locked to rear demonstration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110447230.9A CN102519586B (en) | 2011-12-28 | 2011-12-28 | Irradiance meter for laboratory and method for implementing irradiance meter |
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| CN201110447230.9A CN102519586B (en) | 2011-12-28 | 2011-12-28 | Irradiance meter for laboratory and method for implementing irradiance meter |
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| CN102519586A CN102519586A (en) | 2012-06-27 |
| CN102519586B true CN102519586B (en) | 2014-03-05 |
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| CN104075877B (en) * | 2013-03-29 | 2016-12-28 | 海洋王（东莞）照明科技有限公司 | Light source life detection device and detection method, use the illuminator of this device |
| CN106950165A (en) * | 2017-04-11 | 2017-07-14 | 广州合成材料研究院有限公司 | A kind of ultraviolet ageing case calibrating installation and its measuring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034006A (en) * | 2007-03-13 | 2007-09-12 | 郑晓明 | Method for improving measurement precision of photometry measuring instrument |
| CN101368872A (en) * | 2007-08-13 | 2009-02-18 | 杭州锐力光学有限公司 | LED luminous flux measurement apparatus and method |
| CN101373166A (en) * | 2007-08-22 | 2009-02-25 | 佛山普立华科技有限公司 | Aging test system |
| CN101608950A (en) * | 2009-07-21 | 2009-12-23 | 宁书存 | Luminance detector of universal CCD camera |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3900300B2 (en) * | 2004-03-15 | 2007-04-04 | オムロン株式会社 | Detection end module for photoelectric sensor and photoelectric sensor |
| JP2009265095A (en) * | 2009-04-09 | 2009-11-12 | Nittetsu Elex Co Ltd | Ageing inspection method for light emitting panel |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034006A (en) * | 2007-03-13 | 2007-09-12 | 郑晓明 | Method for improving measurement precision of photometry measuring instrument |
| CN101368872A (en) * | 2007-08-13 | 2009-02-18 | 杭州锐力光学有限公司 | LED luminous flux measurement apparatus and method |
| CN101373166A (en) * | 2007-08-22 | 2009-02-25 | 佛山普立华科技有限公司 | Aging test system |
| CN101608950A (en) * | 2009-07-21 | 2009-12-23 | 宁书存 | Luminance detector of universal CCD camera |
Non-Patent Citations (1)
| Title |
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| JP特开2009-265095A 2009.11.12 |
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