CN105765358A - Illumination evaluation device and illumination evaluation method - Google Patents
Illumination evaluation device and illumination evaluation method Download PDFInfo
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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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
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
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Abstract
An illumination evaluation device for evaluating an environment illuminated by an arbitrary light source (11) is disclosed. The illumination evaluation device is provided with: a visual target presentation means for presenting, in arbitrary positions on a projection face (12) upon which illumination light (L) emitted from a light source (11) is projected, with visual targets (100) including a plurality of types of constituent elements and being arranged so that the number of constituent elements of each type is the same; and a recording means for recording an evaluation result which is the time taken for an observer to see the visual targets (100) presented by the visual target presentation means and recognize a pre-set constituent element, and/or the number of recognitions of the pre-set constituent element.
Description
Technical field
The present invention relates to a kind of illumination evaluating apparatus that illumination light is evaluated and illumination evaluation methodology.
Background technology
As the technology that illumination light is evaluated, it is known that following patent documentation 1.
This patent documentation 1 describes herein below: the display panel that such as will be located on road is as shone thing, as dusk observability, use various lamp to test whether to debate the character reading display panel.Now, estimator judges 5: can most clearly see, 4: can clearly see, 3: can commonly see, 2: can see faintly, 1: the evaluation cannot see completely etc.
It addition, at ophthalmology, make estimator see reading chart, measure for desirable character size " readings " this behavior.Now, make estimator read aloud the such sighting target of reading chart, measure reading ability according to bright read time, false answer number.As reading chart, prepare the pattern the two pattern only comprising hiragana of the pattern comprising Chinese character of adult, child.
Patent documentation 1: Japanese Unexamined Patent Publication 10-331119 publication
Summary of the invention
The evaluation using display panel of above-mentioned patent documentation 1 is the readability that the subjectivity according to estimator evaluates shone thing.Thus, there is individual differences in the evaluation of the readability of sighting target, is not quantitative evaluation.
Use and the evaluation of reading chart employs according to seeing the people of reading chart and different reading charts.That is, reading chart is divided into adult to use with child, it is impossible to use the reading chart of adult to evaluate the reading ability of child.Otherwise, when wanting the reading chart using child to evaluate the reading ability of adult, it is possible to excessively simple and power of reading does not create a difference.Thus, reading chart historically content is different and there is individual differences in the ability that can be identified, and evaluation result easily produces individual differences, is not quantitative evaluation.
Therefore, the present invention proposes in view of above-mentioned practical situation, it is therefore intended that the individual differences providing a kind of evaluation result that can suppress illumination light, the illumination evaluating apparatus that can evaluate the evaluation result of illumination light quantitatively and illumination evaluation methodology.
Lighting environment based on any light source is evaluated by the illumination evaluating apparatus involved by the 1st aspect of the present invention, this illumination evaluating apparatus is characterised by, possess: sighting target display unit, its optional position on the shadow surface that the illumination light sent from described light source is irradiated presents sighting target, and this sighting target comprises multiple element and to be arranged as the quantity of these various elements identical；And record unit, it records the evaluation result of at least one identified in number of the recognition time needed for observer observes the described sighting target presented by described sighting target display unit and identifies preassigned element, preassigned element.
Lighting environment based on any light source is evaluated by the illumination evaluation methodology involved by the 2nd aspect of the present invention, this illumination evaluation methodology is characterised by, comprising the following steps: from described light source, the shadow surface recording sighting target is irradiated illumination light, this sighting target comprises multiple element and to be arranged as the quantity of these various elements identical；And record the evaluation result of at least one identified in number of the recognition time needed for observer observes described sighting target and identifies preassigned element, preassigned element.
Accompanying drawing explanation
Fig. 1 indicates that the block diagram of the structure of the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 2 indicates that the top view of an example of the sighting target in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 3 indicates that the figure of specifically used example in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 4 indicates that the figure of other specifically used example in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 5 indicates that the top view of an example of the sighting target after evaluating action in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 6 indicates that the flow chart of the process of records appraisal result in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 7 is the top view of the measured zone configuring multiple sighting target in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 8 indicates that the flow chart of the process specifying the characteristic of illumination light and the position of sighting target records appraisal result in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Fig. 9 indicates that the block diagram of other structure of the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 10 indicates that the top view of the illumination light measuring unit in the illumination evaluating apparatus illustrated as embodiments of the present invention.
(a) of Figure 11 is the wavelength of each measurement point in the illumination evaluating apparatus illustrated as embodiments of the present invention in measured zone.(b) of Figure 11 indicates that the figure of an example of wavelength spectrum.
Figure 12 indicates that the colour temperature of each measurement point in the illumination evaluating apparatus illustrated as embodiments of the present invention in measured zone and the figure of illumination.
The colour temperature of each measurement point in measured zone when using fluorescent lamp in the illumination evaluating apparatus that (a) of Figure 13 is denoted as embodiments of the present invention and illustrates and illumination.(b) of Figure 13 represents each colour temperature measuring point in measured zone when using LED and illumination.
In the illumination evaluating apparatus that (a) of Figure 14 is denoted as embodiments of the present invention and illustrates from arbitrarily angled see measured zone time Luminance Distribution.(b) of Figure 14 represents the Luminance Distribution during light-emitting area of LED from the side.
Figure 15 indicates that the block diagram of other structure of the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 16 indicates that and specifies the characteristic of illumination light, the position of sighting target in the illumination evaluating apparatus illustrated as embodiments of the present invention and implement the flow chart of process of number of times records appraisal result.
Figure 17 is the top view that the illumination evaluating apparatus illustrated as embodiments of the present invention includes the measured zone of the meansigma methods of the evaluation result (such as identifying number) of each measurement point.
Figure 18 indicates that the block diagram of other structure of the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 19 is the top view that the illumination evaluating apparatus illustrated as embodiments of the present invention includes the measured zone of the difference of the evaluation result (such as recognition time) of each measurement point.
Figure 20 indicates that the block diagram of other structure of the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 21 indicates that the flow chart of the process specifying the characteristic of illumination light, the position of sighting target, attribute and enforcement number of times records appraisal result in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 22 indicates that the figure making use-case fixing for head in the illumination evaluating apparatus illustrated as embodiments of the present invention.
Figure 23 indicates that the figure that fixing for head other makes in illumination evaluating apparatus illustrated as embodiments of the present invention use-case.
Detailed description of the invention
Below, it is explained with reference to embodiments of the present invention.
The illumination evaluating apparatus illustrated as embodiments of the present invention is for being evaluated the lighting environment based on any light source.This illumination evaluating apparatus such as includes key element as shown in Figure 1.Illumination evaluating apparatus includes sighting target display unit (index presentation portion) 1 and result record unit (result record portion) 2.
The sighting target display unit 1 optional position on the shadow surface that the illumination light sent from light source is irradiated presents sighting target.This sighting target comprises the elements such as various characters, symbol or figure and to be arranged as the quantity of these various elements identical.Sighting target display unit 1 such as can be had the plate of sighting target, paper etc. to realize by drafting.
In the present embodiment, as sighting target 100, for instance sighting target as shown in Figure 2 can be used.Multiple elements are configured to matrix form by this sighting target, and the kind of element occurrence number in each row or each row is identical.This element refers to each numeral in sighting target 100.
Result record unit 2 is such as made up of the personal computer etc. including display device, input equipment, arithmetic unit, memorizer etc..Result record unit 2 obtain observer observe presented by sighting target display unit 1 sighting target 100 time evaluation result.This evaluation result include the recognition time needed for observer observes the sighting target 100 that presented by sighting target display unit 1 sighting target identifying preassigned kind, for preassigned kind sighting target identify in number at least one.
Result record unit 2 such as includes the keyboard etc. identifying number of the sighting target 100 for inputting the recognition time needed for the sighting target 100 identifying preassigned kind, preassigned kind and for recording the memorizer etc. of the value inputted.Result record unit 2 such as can be realized by personal computer.
Result record unit 2 can also automatically enter recognition time, identify number.Such as, result record unit 2 can also include photographing unit etc. and extracts observer P and the element in sighting target 100 is labelled with the part of zero, evaluates on finger behavior.
Thus, the illumination evaluating apparatus evaluation result identifying number according to the recognition time included needed for identifying preassigned element, the sighting target of preassigned kind, evaluates the visuality (Japanese: え side) of light source optional position on shadow surface.
Specifically, sighting target display unit 1 is used as shown in Figure 3 or Figure 4.
The sighting target display unit 1 of Fig. 3 is such as can to arrange sighting target 100 to constitute on shadow surface 12 on the table.Light source 11 is set on the shadow surface 12 of sighting target display unit 1.The illumination light L sent from light source 11 is radiated at shadow surface 12.Observer P overlooks, from viewpoint S, the sighting target 100 observing shadow surface 12.
In this condition, the action making the observer P element being identified preassigned kind (is taken action hereinafter referred to as evaluating.).The element of this preassigned kind is designated character, the designated symbols specified by examiner when being evaluated and taking action.Till evaluating whole elements that action may proceed to identify the specified kind of sighting target 100.It addition, evaluation action can also be limited to the stipulated time identifies the element of specified kind.
Record the result of this evaluation action by result record unit 2, namely include the evaluation result identifying number of the sighting target of the recognition time needed for identifying the element of preassigned kind, preassigned kind.
Sighting target 100 such as can also be arranged at the shadow surface 12 of wall by other sighting target display unit 1 as shown in Figure 4.In the oblique upper of the shadow surface 12 of sighting target display unit 1, light source 11 is set.The illumination light L sent from light source 11 is radiated at shadow surface 12.Observer's P sightingpiston is to the sighting target 100 on the shadow surface 12 of viewpoint S, implementation evaluation action.
On in this evaluation, observer P numeral " 3 " annotated mark 101 to the kind as preassigned element as shown in Figure 5.Such as, within the stipulated time (10 seconds) to specified numeral " 3 " annotated mark 101, the evaluation result irradiated during sighting target 100 by any light source 11 is: answering number is 8, and correct number of answering is 7, false answer number is 1, and omission is 1.This omission refers to: be aligned to rectangular and by numeral " 3 " specified by each row identification in element, the specified numeral " 3 " of over sight (OS).
Utilize the illumination evaluation methodology of this illumination evaluating apparatus as shown in Figure 6.First in step sl, illumination light L is irradiated from any light source 11 to sighting target 100.In following step S2, observer P implement to find the evaluation action of the element of preassigned character, symbol etc.Now, for instance make observer P from left to right find the character " 3 " of the kind as preassigned element in the sighting target 100 of Fig. 2 from top in order, the labelling 101 of zero is marked when finding numeral " 3 ".In following step S3, result record unit 2 records the result of the observer P element identified in step s 2.
Additionally, when wanting to obtain evaluation result at short notice, it is possible to the time of evaluation result is limited, correctly answer number, false answer number as evaluation result using the numeral gone out in the time internal labeling limited.When in addition, it is also possible to using the time till the whole elements having found preassigned kind, correctly answer number, false answer number as evaluation result.Additionally, when evaluation result is difficult to create a difference, can not also utilize the finding method from left to right from the top of sighting target 100, but utilize (in opposite direction with general custom), the complicated finding method such as clockwise or counterclockwise from right to left to carry out implementation evaluation action.
As described above, the lighting environment based on any light source (11) is evaluated by illumination evaluating apparatus.This illumination evaluating apparatus has sighting target display unit (1), this sighting target display unit (1) optional position on the shadow surface (12) that the illumination light (L) sent from light source (11) is irradiated presents sighting target (100), and this sighting target (100) comprises multiple element and to be arranged as the quantity of these various elements identical.Illumination evaluating apparatus has record unit (2), and this record unit (2) records the evaluation result of at least one identified in number of the recognition time needed for observer (P) observes the sighting target (100) presented by sighting target display unit (1) and identifies preassigned element, preassigned element.
It addition, the lighting environment based on any light source (11) is evaluated by illumination evaluation methodology.In this illumination evaluation methodology, from light source (11), shadow surface (12) is irradiated illumination light (L), optional position on the shadow surface (12) that the illumination light (L) sent from light source (11) is irradiated records sighting target (100), and this sighting target (100) comprises multiple element and to be arranged as the quantity of these various elements identical.Further, illumination evaluation methodology record observer (P) observe sighting target (100) and identify preassigned kind element needed for recognition time, for the evaluation result of at least one identified in number of element of preassigned kind.
According to this illumination evaluating apparatus, as sighting target 100, use and comprise the elements such as various characters, symbol or figure and be arranged as the sighting target that the quantity of these various elements is identical.Thereby, it is possible to suppress sighting target 100 readability evaluate because of the individual differences of observer P the situation of change, and the readability of sighting target 100 can be evaluated quantitatively.Thus, this illumination evaluating apparatus can suppress readability is produced the individual differences of the evaluation result of the illumination light L of impact, it is possible to quantitatively evaluation result is evaluated.
Such as, the recognition time needed for identifying preassigned element is more short, then can interpolate that as sighting target 100 more readability, and by the illumination light L that sends from light source 11, the visuality of the sighting target 100 on shadow surface 12 is more good.It addition, the identification number of preassigned element is more many, then can interpolate that as sighting target 100 more readability, by the illumination light L that sends from light source 11, the visuality of the sighting target 100 on shadow surface 12 is more good.
In the above-described embodiment, sighting target 100 is certainly not limited to the sighting target shown in Fig. 2.As long as sighting target 100 is at the observer P observing shadow surface 12 sighting target evaluating on " readability " that can interpolate that out element carried out.If the illumination light L from light source 11 irradiation irradiates in the way of making sighting target 100 readability, then observer P reads ability (speed, accurateness) the i.e. reading ability raising of element, and element becomes readability.Thus, as long as sighting target 100 can measure the sighting target of evaluation result corresponding with reading vision quantitatively.
And, it is desirable to sighting target 100 can through the repeatedly enforcement of action evaluated.For this, numeral, symbol, figure etc. are used as element by sighting target 100, it is possible to guarantee substantial amounts of change (variation).
And, it is desirable to sighting target 100 can not rely on age (mainly national language ability) of observer P etc. and makes observer P identify the element of preassigned kind.For this reason, it may be desirable to, the shape simplification of element is numeral, symbol, figure etc. by sighting target 100, is driven with the linguistic competence of not observed person P.
And, it is desirable to sighting target 100 has the quantity of stimulus identical with other sighting target 100.For this reason, it may be desirable to, sighting target 100 is such as shown in Figure 2 by unified for the quantity in the identical element listing existing regulation kind.It is not limited to this, as long as the quantity by the element of the regulation kind occurred in prescribed limit is unified.
And, it is desirable to whether sighting target 100 can be identified each element by observer P is specified element.For this, in the present embodiment, sighting target 100 is arranged to make up key element in the way of such as can arranging following task: element " 3 " annotated mark 101 to the regulation kind shown in Fig. 2.
And, it is desirable to the shape that can be scaled the reading vision of observer P is used as the shape of element by sighting target 100.For this, it is intended that the such as numeral " 3 " in the element that sighting target 100 comprises is evaluated action.
By constituting sighting target 100 as described above, illumination evaluating apparatus can evaluate the readability of the sighting target 100 under the lighting environment based on light source 11 quantitatively when having been irradiated the sighting target 100 on shadow surface 12 by light source 11.That is, this illumination evaluating apparatus can evaluate the illumination light that readability produces impact quantitatively.
Then, in above-mentioned illumination evaluating apparatus, it is also possible to present sighting target 100 by the sighting target display unit 1 arbitrary multiple positions on shadow surface 12.And, result record unit 2 can also record observer observe presented by sighting target display unit 1 sighting target 100 time evaluation result and positional information.
Such as it is shown in fig. 7, the measured zone 110 on shadow surface 12 is provided with the measurement point A～I for arranging each sighting target 100.This measurement point is set in the optional position on shadow surface 12.The shadow surface 12 of Fig. 7 is such as provided with the measurement point A～I of 3 row × 3 row.Illumination evaluating apparatus is respectively configured sighting target 100 at each some A～I place of measuring.
This illumination evaluating apparatus such as carries out action as shown in Figure 8.First in step sl, illumination evaluating apparatus irradiates the illumination light L from light source 11 in measured zone 110.Now, examiner can input the characteristic (step S11) of the illumination light L from light source 11.Further, examiner specifies the position (step S12) of any one sighting target 100 being arranged in multiple sighting target 100 measuring some A～I.In following step S2, make observer's P implementation evaluation action.In following step S3, result record unit 2 records the result of the observer P element identified in step s 2.Now, position and the evaluation result of some A～I measured in result record unit 2 record.
Its result, result record unit 2 can obtain being distributed in each evaluation result measuring some A～I.Being distributed in each evaluation result measuring some A～I is the result measured each readability measuring some A～I after observer P observes each sighting target 100 measuring some A～I shown in Fig. 7 and obtain.
Additionally, when specifying the position of the characteristic of illumination light L, in step s 12 specified measurement point A～I in step s 11, it is also possible to specify the distance of light source 11 and the center (underface of illumination light L) of measured zone 110.
Thus, this illumination evaluating apparatus is when utilizing illumination light L to irradiate measured zone 110 from light source 11, it is possible to utilize the quantitative value of recognition time or identification number etc to evaluate each readability measuring some A～I.Thus, illumination evaluating apparatus can with sighting target 100 relative to the position of light source 11, the deviation of sight line relative to observer P, luminous intensity distribution difference situation be correspondingly made available evaluation result.
Additionally, position and the evaluation result of some A～I measured in illumination evaluating apparatus record, thus the readability at the center of measured zone 110 can not only be evaluated, additionally it is possible to evaluate the difficult reading of sighting target 100 of sighting target 100 readability from which measurement point A～I of light source 11, which measurement point A～I.For instance, it is possible to obtain following evaluation etc.: the lightness etc. according to the illumination light being radiated on shadow surface 12 from light source 11, the measurement point E readability at center, and measurement point difficulty around is read.
Than the above described structure, above-mentioned illumination evaluating apparatus can be also equipped with illumination light measuring unit (illumination light measurement portion) 3 as shown in Figure 9.This illumination light measuring unit 3 measures at least one in the flicker being presented the illumination of measurement point of sighting target 100, the wavelength of illumination light, the colour temperature of illumination light, illumination light by sighting target display unit 1.Flicker as illumination light L, it is possible to list the frequency values of the presence or absence of flicker, flicker.Illumination light measuring unit 3 is such as made up of the optical sensor being arranged around at the sighting target 100 being located at each measurement point as shown in Figure 10.
Result record unit 2 records at least one in the brightness value of the illumination light L measured by illumination light measuring unit 3, the wavelength of illumination light, color temperature value, flicker accordingly with evaluation result and positional information.
When measuring wavelength by illumination light measuring unit 3, for instance the wavelength value 102 measuring some A～I of measured zone 110 can be obtained as shown in (a) of Figure 11.Wavelength value 102 shown in (a) of Figure 11 is in each centre wavelength value measuring the wavelength spectrum that some A～I place obtains.Being not limited to this, this wavelength value 102 can also be the wavelength spectrum got by illumination light measuring unit 3 as shown in (b) of Figure 11.(b) of Figure 11 is illustrated the wavelength spectrum measuring some E as one.
This illumination evaluating apparatus is except can obtaining the distribution of the evaluation result measuring some A～I place on shadow surface 12, additionally it is possible to obtain the distribution of wavelength value 102.With reference to the measurement result of (a) of Figure 11 it can be seen that characteristic according to the illumination light L being radiated on shadow surface 12 from light source 11, the wavelength value 102 measuring some E at center is 600nm.Such as, the deep wavelength value 102 measuring some A is 610nm.
Thus, illumination evaluating apparatus can record the relatedness of the wavelength value 102 based on light source 11 and evaluation result according to the measurement result of the result of the distribution of expression evaluation result and the distribution representing wavelength value 102.Thereby, it is possible to evaluate quantitatively and objectively the visuality of sighting target 100 corresponding with light source 11 further.
Further, illumination evaluating apparatus when measuring colour temperature and illumination by illumination light measuring unit 3, for instance can obtain measurement result as shown in figure 12.This measurement result illustrates and is distributed in the colour temperature measured by illumination light measuring unit 3 and illumination 103 measuring some A～I.
Thus, illumination evaluating apparatus is except can obtaining the distribution of the evaluation result measuring some A～I place on shadow surface 12, additionally it is possible to obtain the distribution of colour temperature and illumination 103.With reference to the measurement result of Figure 12 it can be seen that according to the illumination light L being radiated at from light source 11 on shadow surface 12, the colour temperature measuring some E at center and illumination 103 are 2900K, 750Lx.Such as, the deep colour temperature measuring some A and illumination 103 are 3100K, 730Lx.
Thus, illumination evaluating apparatus can record the relatedness of the colour temperature based on light source 11 and illumination 103 and evaluation result according to the measurement result of the result of the distribution of expression evaluation result and the distribution representing colour temperature and illumination 103.Thereby, it is possible to evaluate quantitatively and objectively the visuality of sighting target 100 corresponding with light source 11 further.
Further, illumination evaluating apparatus can also be measured because of the difference of the illumination light L caused by the difference of the kind of light source 11 by illumination light measuring unit 3.When measuring colour temperature and illumination by illumination light measuring unit 3 by each light source 11, for instance the measurement result as shown in (a), (b) of Figure 13 can be obtained.This measurement result illustrates and is distributed in the colour temperature measured by illumination light measuring unit 3 and illumination 103 measuring some A～I.
Fluorescent lamp is used as light source A and obtains by the measurement result of (a) of Figure 13.From light source A, measured zone 110 is irradiated illumination light L, measured colour temperature and illumination 103A by illumination light measuring unit 3 by each some A～I that measures.(a) according to Figure 13, the colour temperature measuring some E at center and illumination 103A are 2800K, 750Lx.Such as, the deep colour temperature measuring some A and illumination 103A are 2900K, 730Lx.
LED is used as light source B and obtains by the measurement result of (b) of Figure 13.From light source 11, measured zone 110 is irradiated illumination light L, measured colour temperature and illumination 103B by illumination light measuring unit 3 by each some A～I that measures.(b) according to Figure 13, the colour temperature measuring some E at center and illumination 103B are 2900K, 750Lx.Such as, the deep colour temperature measuring some B and illumination 103B are 3100K, 730Lx.
Additionally, illumination evaluating apparatus can also additionally be arranged to the input portion of the kind of input light source 11.Thus, the kind of light source 11, the measurement result of illumination light measuring unit 3 and evaluation result can be recorded in result record unit 2 by illumination evaluating apparatus accordingly.
As different light sources 11, it is possible to be that its kind is different, it is also possible to be that kind is identical and its specification is different.Such as, as different light sources 11, for instance the metal halide lamp (metalhalidelamp) of use, extra-high-pressure mercury vapour lamp, xenon lamp, illuminating Halogen light etc. in projector can be listed.Additionally, the colour temperature of metal halide lamp is about 6500K～7500K.The colour temperature of extra-high-pressure mercury vapour lamp is about 9000K.The colour temperature of xenon lamp is about 6000K.The colour temperature of illuminating Halogen light is about 3400K.Further, different types of light source 11 can also be the kind of the Halogen light utilizing thermal-radiating incandescent type and as the such variety classes of kind of the extra-high-pressure mercury vapour lamp of the ultra-high pressure discharge lamp utilizing Discharge illuminating.Further, the light source that specification is different as kind is identical, it is possible to list the different LED such as wavelength spectrum.
Thus, illumination evaluating apparatus can record the colour temperature based on light source 11 and the relatedness of illumination and evaluation result according to the result of the measurement result of the distribution of the colour temperature and illumination that represent each light source 11 and the distribution representing evaluation result.Thereby, it is possible to evaluate quantitatively and objectively the visuality of sighting target 100 corresponding with light source 11 further.
Additionally, illumination evaluating apparatus can make evaluation result be associated with the data measured by the measuring device not being illumination light measuring unit 3.
And, it is also possible to by changing the illumination light measuring unit 3 state towards the light-emitting area place measuring light source 11 relative to measured zone 110.Such as shown in (a) of Figure 14, the Luminance Distribution in measured zone 110 is measured by illumination light measuring unit 3.It is high that this Luminance Distribution substantially represents the brightness measuring some E, F, H.Alternatively, it is also possible to measure as shown in (b) of Figure 14 from the brightness in terms of the side of the LED as light source B.Thus, for instance the brightness of the light-emitting area of LED can also be recorded accordingly with evaluation result.
Further, illumination light measuring unit 3 is when measuring illumination, it is also possible to measure the illumination of the eye position of observer P.Thus, illumination evaluating apparatus can also make face illumination and evaluation result be stored in accordingly in result record unit 2.In this case, it is possible to so that illumination light measuring unit 3 moves freely from the position of the illumination light measured shadow surface 12, measure face illumination.
Than the above described structure, above-mentioned illumination evaluating apparatus can be also equipped with interpretation of result portion 4 as shown in Figure 15.This interpretation of result portion 4 sets result record unit 2 at least acquisition number of times (number of times setup unit) to evaluation result.Interpretation of result portion 4 such as accepts the evaluation number of times inputted according to the operation of user, sets the result record unit 2 acquisition number of times to evaluation result.Result record unit 2 at least obtains evaluation result by the acquisition of number of times carrying out being set by interpretation of result portion 4.
This illumination evaluating apparatus such as carries out action as shown in Figure 16.First in step sl, illumination evaluating apparatus irradiates the illumination light L from light source 11 in measured zone 110.Now, examiner can input the characteristic (step S11) of the illumination light L from light source 11.Further, examiner specifies the position (step S12) of any one sighting target 100 being arranged in multiple sighting target 100 measuring some A～I.Further, examiner inputs the enforcement number of times (step S13) of evaluation action.In following step S2, make observer's P implementation evaluation action.Judge whether the evaluation result as the result evaluating action have recorded by the step S13 enforcement number of times inputted by result record unit 2.When the quantity of evaluation result is not up to enforcement number of times, changes sighting target 100 and repeat evaluation action.When the quantity of evaluation result reaches to implement number of times, process is made to enter step S3.In step s3, result record unit 2 records the result of character that observer P identifies in step s 2, symbol.Now, position and the evaluation result of some A～I measured in result record unit 2 record.Further, it is expected that, when repeatedly obtaining evaluation result, the sighting target 100 making each evaluation on is different.
The evaluation result got by result record unit 2 is averaged by interpretation of result portion 4.The evaluation result that result record unit 2 obtains being averaged is recorded as analysis result.Thus, illumination evaluating apparatus can obtain evaluating, with set, the analysis result obtained after number of times is averaged by each some A～I that measures as shown in Figure 17.
About the analysis result shown in Figure 17, for instance recorded 5 times in result record unit 2 by the correct number of answering as evaluation result, obtain the meansigma methods 105 obtained after being averaged by each measurement point A～I.According to this analysis result, the meansigma methods 105 measuring some E at the center in measured zone 110 is the highest.On the other hand, the meansigma methods 105 measuring some A, C at the two ends of the top in measured zone 110 is low.It will be appreciated that, the illumination light L according to light source 11, the center readability in measured zone 110, the two ends difficulty of top is read.
As described above, this illumination evaluating apparatus repeatedly implementation evaluation under the lighting condition of various light sources 11.Thereby, it is possible to eliminate the learning effect, the deviation that produce because get used to evaluation action, it is possible to increase the correctness of evaluation result.Additionally, when being provided with exerciser meeting before records appraisal result, it is desirable to after the illumination evaluating apparatus result evaluating action when getting rid of this exercise, records appraisal result in result record unit 2.
It addition, illumination evaluating apparatus can obtain representing the analyzing as a result, it is possible to evaluate quantitatively and objectively the visuality of sighting target 100 corresponding with light source 11 of the distribution of the meansigma methods 105 of evaluation result.It addition, illumination evaluating apparatus is meansigma methods by making evaluation result, it is possible to increase the repeatability of evaluation result, reduce the deviation of evaluation result.
Additionally, evaluation result can also be not only averaged by interpretation of result portion 4, obtain analyzing result also by other computing.For example, it is also possible to carried out the presence or absence (achievement rises along with the increase of number of times) etc. of the correct response rate of computing, false answer rate, variance, learning effect by interpretation of result portion 4.
Above-mentioned illumination evaluating apparatus can also also have poor calculating part (difference computing unit) 5 as shown in Figure 18, and this difference calculating part 5 calculates the difference of the multiple evaluation results obtained when changing light source 11 lighting condition such as grade and being different.
Difference calculating part 5 calculates the difference of the recognition time as evaluation result of record, identification number (correctly answering number, false answer number), correct response rate, false answer rate in result record unit 2.Evaluation result as the object of computing error, it is also possible to evaluation result when being change light source 11.It addition, the evaluation result of the object as computing error, it is also possible to be to illumination, the wavelength of illumination light, the colour temperature of illumination light, illumination light flicker (with or without, frequency values) at least one changed when evaluation result.
Such as, when the difference of computing recognition time, difference calculating part 5 can obtain as shown in figure 19 differ from 106.Differing from 106 it can be seen that the difference of center recognition time in measured zone 110 is little according to this, the deviation of the left side place recognition time of measured zone 110 is big.
Thus, illumination evaluating apparatus can according to the visuality evaluating the light source 11 optional position on shadow surface 12 with the change differing from 106 suitable readabilities.That is, illumination evaluating apparatus can measurement for Evaluation result down or up, the relative property evaluation of the lighting environment being irradiated on face 12.
Above-mentioned illumination evaluating apparatus can also have examinee's record portion 6 as shown in Figure 20.Examinee's record portion 6 is as being used for inputting the attribute input block (attribute input portion) of attribute of the observer P of implementation evaluation action and function.Examinee's record portion 6 such as can by one side reference monitor while the input blocks etc. such as the keyboard of operation, mouse realize.
As shown in figure 21, this illumination evaluating apparatus irradiates illumination light L from light source 11 in step sl, before be evaluated action by step S2, is inputted the attribute of observer P in step S31 by examinee's record portion 6.Examinee's record portion 6 records the attribute of the name of examinee, age, sex, vision etc.
The attribute recorded by examinee's record portion 6 is mapped with the evaluation result of record in result record unit 2 in step s3.
This illumination evaluating apparatus is by recording the attribute of observer P, it is possible to be evaluated the comparison of result between the attribute of observer P.Such as, as the readability of any light source 11, it is possible to carry out the comparison etc. of the evaluation result of the comparison of evaluation result between men and women, different age group.Thereby, it is possible to evaluate the lighting environment based on light source 11 by attribute.
And, it is desirable to above-mentioned illumination evaluating apparatus such as Figure 22, possess the lower jaw placement section 30 of the head position fixed cell of head position as Orientation observation person P as shown in Figure 23.In this illumination evaluating apparatus, result record unit 2 is at least records appraisal result when the distance between shadow surface 12 and head position being fixed by lower jaw placement section 30.
At this, the size of sighting target 100 determines according to the distance between viewpoint S and sighting target 100.Therefore, in order to improve the reliability of evaluation result, it is important to maintain the view distance between viewpoint S and the sighting target 100 of observer P.To this, illumination evaluating apparatus arranges lower jaw placement section 30, is fixed the head of observer P, thus fixed view S by this lower jaw placement section 30 such that it is able to maintain the view distance between viewpoint S and sighting target 100.It addition, according to this illumination evaluating apparatus, the difference such as height not relying on observer P, and evaluation result can be obtained under rigid condition.
Additionally, above-mentioned embodiment is an example of the present invention.Therefore, the present invention is not limited to above-mentioned embodiment, even the embodiment beyond this embodiment, as long as without departing from the scope of technological thought involved in the present invention, it becomes possible to correspondingly carrying out various change with design grade, this is natural.
Above-mentioned illumination evaluating apparatus obtains evaluation result during observer P reading sighting target 100, but illumination evaluating apparatus can also act as training devices.Such as, according to experiencing, with game mode, this characteristic of action that the element that sighting target 100 is comprised is identified, it is possible to be diverted to the training of the peripheral visual field of old people, child, rehabilitation training (test set moderate) etc..
The full content of Japanese Patent Application 2013-244089 (applying date: on November 26th, 2013) is quoted at this.
Industrial applicability
In accordance with the invention it is possible to suppress the individual differences of the evaluation result of illumination light, it is possible to evaluate the evaluation result of illumination light quantitatively.
Description of reference numerals
1: sighting target display unit；2: result record unit；3: illumination light measuring unit；4: interpretation of result portion (number of times setup unit)；5: difference calculating part；6: examinee's record portion (attribute input portion)；11: light source；100: sighting target.
Claims (8)
1. an illumination evaluating apparatus, is evaluated the lighting environment based on any light source, and this illumination evaluating apparatus is characterised by possessing:
Sighting target display unit, its optional position on the shadow surface that the illumination light sent from described light source is irradiated presents sighting target, and this sighting target comprises multiple element and to be arranged as the quantity of various element identical；And
Record unit, it records the evaluation result of at least one identified in number of the recognition time needed for observer observes the described sighting target presented by described sighting target display unit and identifies preassigned element, preassigned element.
2. illumination evaluating apparatus according to claim 1, it is characterised in that
The described sighting target display unit arbitrary multiple positions on shadow surface present described sighting target, described recording unit records observer observe presented by described sighting target display unit sighting target time described evaluation result and positional information.
3. illumination evaluating apparatus according to claim 1 and 2, it is characterised in that
Possessing illumination light measuring unit, this illumination light measuring unit measures at least one in the flicker being presented the illumination of position of sighting target, the wavelength of illumination light, the colour temperature of illumination light, illumination light by described sighting target display unit,
Described record unit and described evaluation result record accordingly got by described illumination light measuring unit brightness value, the wavelength of illumination light, the color temperature value of illumination light, illumination light flicker at least one.
4. the illumination evaluating apparatus according to any one in claims 1 to 3, it is characterised in that
Possessing number of times setup unit, this number of times setup unit sets described record unit at least acquisition number of times to described evaluation result,
The meansigma methods of the evaluation result that described recording unit records obtains by carrying out the acquisition of the number of times by the setting of described number of times setup unit.
5. the illumination evaluating apparatus according to any one in Claims 1-4, it is characterised in that
Having poor computing unit, this difference computing unit calculates in the difference to multiple evaluation results that the lighting condition of described shadow surface obtained different.
6. the illumination evaluating apparatus according to any one in claim 1 to 5, it is characterised in that
There is the attribute input block of the attribute of input observer,
Described record unit and described evaluation result record the attribute of the observer by the input of described attribute input block accordingly.
7. the illumination evaluating apparatus according to any one in claim 1 to 6, it is characterised in that
The head position fixed cell of the head position of the person that possesses Orientation observation.
8. an illumination evaluation methodology, is evaluated the lighting environment based on any light source, and this illumination evaluation methodology is characterised by, including:
From described light source, the shadow surface recording sighting target being irradiated illumination light, this sighting target comprises multiple element and to be arranged as the quantity of various element identical；And
Record the evaluation result of at least one identified in number of the recognition time needed for observer observes described sighting target and identifies preassigned element, preassigned element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-244089 | 2013-11-26 | ||
| JP2013244089A JP6052619B2 (en) | 2013-11-26 | 2013-11-26 | Illumination evaluation apparatus and illumination evaluation method |
| PCT/JP2014/005772 WO2015079649A1 (en) | 2013-11-26 | 2014-11-18 | Illumination evaluation device and illumination evaluation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105765358A true CN105765358A (en) | 2016-07-13 |
| CN105765358B CN105765358B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201480064610.6A Expired - Fee Related CN105765358B (en) | 2013-11-26 | 2014-11-18 | Illumination evaluating apparatus and illumination evaluation method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6052619B2 (en) |
| CN (1) | CN105765358B (en) |
| WO (1) | WO2015079649A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107361736A (en) * | 2017-07-10 | 2017-11-21 | 北京大学第三医院 | The function visual test method of adjustable sighting target surface illuminance |
| CN109959499A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of kitchen ventilator lamp illumination test device |
| CN109975251A (en) * | 2019-03-20 | 2019-07-05 | 广东工业大学 | A kind of metal surface is without luminosity evaluation method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7220000B1 (en) | 2022-08-08 | 2023-02-09 | 株式会社薫化舎 | Characteristics information collection method and characteristics information collection device |
| JP7184414B1 (en) | 2022-08-08 | 2022-12-06 | 株式会社薫化舎 | Characteristics information collection method and characteristics information collection device |
| CN116539284B (en) * | 2023-07-06 | 2023-09-22 | 天津大学 | Light source illumination quality evaluation method and device for colored drawing cultural relic illumination light source |
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| JP2014182084A (en) * | 2013-03-21 | 2014-09-29 | Panasonic Corp | Illumination evaluation device and illumination evaluation method |
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- 2013-11-26 JP JP2013244089A patent/JP6052619B2/en not_active Expired - Fee Related
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- 2014-11-18 CN CN201480064610.6A patent/CN105765358B/en not_active Expired - Fee Related
- 2014-11-18 WO PCT/JP2014/005772 patent/WO2015079649A1/en active Application Filing
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| JP2000185015A (en) * | 1998-12-22 | 2000-07-04 | Nidek Co Ltd | Visual acuity testing device |
| JP2004354200A (en) * | 2003-05-29 | 2004-12-16 | Takenaka Komuten Co Ltd | Environment evaluation system |
| CN102397053A (en) * | 2011-07-21 | 2012-04-04 | 中山市目明视光视力科技有限公司 | Vision measurement table |
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| CN107361736A (en) * | 2017-07-10 | 2017-11-21 | 北京大学第三医院 | The function visual test method of adjustable sighting target surface illuminance |
| CN107361736B (en) * | 2017-07-10 | 2019-05-14 | 北京大学第三医院 | The function visual test method of adjustable sighting target surface illuminance |
| CN109959499A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of kitchen ventilator lamp illumination test device |
| CN109975251A (en) * | 2019-03-20 | 2019-07-05 | 广东工业大学 | A kind of metal surface is without luminosity evaluation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015102463A (en) | 2015-06-04 |
| CN105765358B (en) | 2017-12-15 |
| WO2015079649A1 (en) | 2015-06-04 |
| JP6052619B2 (en) | 2016-12-27 |
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