CN206555828U - A kind of LED light source device and lamp box for imaging device image quality test - Google Patents
A kind of LED light source device and lamp box for imaging device image quality test Download PDFInfo
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- CN206555828U CN206555828U CN201720189189.2U CN201720189189U CN206555828U CN 206555828 U CN206555828 U CN 206555828U CN 201720189189 U CN201720189189 U CN 201720189189U CN 206555828 U CN206555828 U CN 206555828U
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- light source
- led
- image quality
- imaging device
- source device
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Abstract
The utility model is related to the technical field of image detection, more particularly, to a kind of LED light source device and lamp box for imaging device image quality test.The LED light source device includes a substrate, the luminescence component available for luminous irradiation is evenly arranged with the substrate, the luminescence component includes being provided with LED illuminating parts in a pedestal, the pedestal, and the lens that can be used for uniformly projecting light are provided with along the light direction of the LED illuminating parts.The technical program is by the way that illuminating part is arranged in a pedestal, and lens are set in the light direction of illuminating part, so, the light sent can uniformly be broken up, by the position for reasonably setting the lens and the illuminating part, it can be ensured that the equal property of illumination that the light that illuminating part is sent is reached by lens in the set illumination plane in measuring distance reaches more than 90%.
Description
Technical field
The utility model is related to the technical field of image detection, and being used for imaging device picture quality more particularly, to one kind surveys
The LED light source device and lamp box of examination.
Background technology
At present, mobile phone camera, tablet personal computer camera, slr camera, civilian and professional camera, automobile camera head,
Security monitoring camera, medical imaging obtain equipment etc., and these imaging devices or digital image collection system are directed to
The evaluation and detection of picture quality, by the detection environment or scene of the standard of building, this is detected using the detection method of standard
The image quality of a little equipment or image capturing system, can objectively respond out the property of imaging device or image-taking system
Energy.To build detection or evaluating imaging device or the standard environment of imaging system images quality, exploitation meets picture quality inspection
The lighting device of mark alignment request is most important, and current standard environment builds middle lighting source generally using the light source of simulation daylight
Device, this class testing is mainly the imported product in Europe and the U.S. with light source, and domestic light source is fewer, and the performance of domestic light source
Differed greatly with quality with external product.
The existing multi color temperature light supply apparatus for image viewing or digital image acquisition of in the market mainly has two kinds：One
It is to realize multi color temperature by way of tengsten lamp plus colour filter to plant；Another come by using high-color rendering Special fluorescent lamp pipe
Realize multi color temperature.
The first is the scheme that tungsten filament lamp sources install colour filter sheet devices additional, the additional green device of such as A light sources, additional colour filter
Adjustable color can be achieved, spectrum continuity is good, but brightness adjustable extent is very narrow (about 10 times), and colour temperature can be by when adjusting brightness
To influence, the reduction of brightness colour temperature is such as turned down, causes colour temperature error larger；Need to change external filter, equipment system during switching colour temperature
Make complexity greatly and cost is higher.It is for second the fluorescent light assembled scheme of the high color rendering index (CRI) using different-colour, if
Prepare and make that complexity is small, cost is relatively low, but spectrum poor continuity, brightness adjustable extent is narrower (about 100-200 times)；Colour temperature is adjusted
Save that shelves are also less, and in the market high-color rendering is only limitted to CIE D series of light sources, such as D50, D65, D75, without or it is few in
Between colour temperature and high-color rendering light source.Existing two classes multi color temperature illuminating device or tungsten filament lamp sources are used, or using glimmering
Light lamp, common defect has fluorescent tube service life short, average less than 2000 hours, and energy consumption is big, not environmentally etc..
Utility model content
Technical problem to be solved in the utility model is to provide a kind of LED for imaging device image quality test
Light supply apparatus, it is intended to solve in the prior art, the problem of light source cost performance is low is used in test.
In order to solve the above technical problems, the technical scheme that the utility model is used is：One kind is used for imaging device image
Luminous group available for luminous irradiation is evenly arranged with the LED light source device of quality test, including a substrate, the substrate
Part, the luminescence component includes being provided with LED illuminating parts in a pedestal, the pedestal, along the light direction of the LED illuminating parts
It is provided with the lens that can be used for uniformly projecting light.
Further, the luminescence component includes the LED illuminating parts of at least three class high-color renderings.
Further, the colour temperature of the LED illuminating parts of the three classes high-color rendering is respectively 2800K, 7000-8000K it
Between between 9000-12000K.
Further, the lens are convex lens.
Further, the illuminating part is paster or lamp bead.
Further, be additionally provided with one can control the LED illuminating parts open or close and luminosity control mould
Block, the control module is electrically connected with each LED illuminating parts.
Further, the substrate includes a support, the vertical alternate vertical bar and horizontal stroke being arranged on the support side by side
To alternate setting side by side and the horizontal stripe of the support, the side of the vertical bar and the horizontal stripe is offered for fixing the hair
The fixing hole of light part.
The utility model additionally provides a kind of lamp box, and it includes any of the above-described a kind of for imaging device image quality test
LED light source device.
Further, the lamp box includes a framework and the side plate that can close the framework, and the LED light source device is set
Put with the framework, and being fixedly connected with wherein side plate.
Further, the framework includes the upper frame body and lower frame body of bending, the upper frame body and the lower frame body
Diagonal mutually spell is welded to connect, and the bottom of the top of the upper frame body and the lower frame body offers heat emission hole.
It is compared with the prior art, a kind of LED/light source for imaging device image quality test that the utility model is provided
Device sets lens by the way that illuminating part is arranged in a pedestal, and in the light direction of illuminating part, in this way, will can send
Light is uniformly broken up, by the position for reasonably setting the lens and the illuminating part, it can be ensured that the light that illuminating part is sent is by saturating
The equal property of illumination that mirror is reached in the set illumination plane in measuring distance reaches more than 90%.Additionally by setting, three classes height is aobvious
The LED illuminating parts of finger, improve the equal property of illumination in set illumination plane, so that the defect of LED/light source is improved, so that full
Sufficient picture appraisal or the requirement of examination criteria environment, substantially increase the cost performance of LED testing light sources.
Brief description of the drawings
Fig. 1 is that a kind of luminescence component for imaging device image quality test that the utility model embodiment is provided is illustrated
Figure.
Fig. 2 is a kind of LED light source device for imaging device image quality test that the utility model embodiment is provided
Schematic diagram.
Fig. 3 is a kind of structural representation for lamp box that the utility model embodiment is provided.
Fig. 4 is framework structural representation in Fig. 3.
Fig. 5 is lower frame body structural representation in Fig. 4.
Fig. 6 is upper frame body structural representation in Fig. 4.
Fig. 7 is a kind of structural representation of the cover plate for lamp box that the utility model embodiment is provided.
Fig. 8 is a kind of structural representation of the stand frame for lamp box that the utility model embodiment is provided.
Label symbol explanation
The lamp box of 200 luminescence component 100
Framework on 1 pedestal 102
The cover plate of 2 lamp bead 30
The support of 3 lens 20
The support bar of 4 substrate 201
The horizontal stripe of 10 framework 202
The vertical bar of 101 underframe 203
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Realization of the present utility model is described in detail below in conjunction with specific accompanying drawing.
For sake of convenience, hereinafter the left and right, upper and lower of alleged " left side " " right side " " on " " under " and accompanying drawing in itself to one
Cause, but restriction effect is not played to structure of the present utility model.
As depicted in figs. 1 and 2, the preferred embodiment provided for the utility model.
A kind of LED light source device for imaging device image quality test that the present embodiment is provided, it includes a substrate
4, the luminescence component 200 available for luminous irradiation is evenly arranged with the substrate 4, the luminescence component 200 includes a pedestal
1, be provided with LED illuminating parts in the pedestal 1, along the light direction of the LED illuminating parts be provided with one can be used for light is equal
The lens 3 of even projection.The technical program is set by the way that illuminating part is arranged in a pedestal 1 in the light direction of illuminating part
Lens 3 are put, in this way, the light sent can uniformly be broken up, can by reasonably setting the position of the lens 3 and the illuminating part
Ensure that the equal property of illumination that the light that illuminating part is sent is reached by lens 3 in the set illumination plane in measuring distance reaches 90%
More than.
Specifically, the need for according to test, the closing of LED illuminating parts on each position is rationally debugged, be can be achieved different
Lighting effect.
Further, the luminescence component 200 includes the LED illuminating parts of at least three class high-color renderings.LED/light source Yin Qijie
Can be environmentally friendly, the advantages of service life is long is generally used in all kinds of lighting environments.Specifically, the illuminating part is paster
Or lamp bead 2.Lens 3 are set by setting the aobvious LED illuminating parts referred to of three classes height, and in the light direction of each LED illuminating part, changed
The equal property of illumination being apt in set illumination plane, so that the defect of LED/light source is improved, so as to meet picture appraisal or inspection
The requirement of mark quasi, substantially increases the cost performance of LED testing light sources.
Further, the colour temperature of the LED illuminating parts of the three classes high-color rendering is respectively 2800K colour temperatures, in 7000-
Between 8000K between 9000-12000K.It is, the CRI values of the LED illuminating parts of the three classes high-color rendering be respectively greater than etc.
In 98, more than 95, more than 93.In actual use, it can realize the control of continuous colour temperature shelves by color mixing designs with calculating, make height
The different LED illuminating parts of low colour temperature, according to certain rule and density array, realize that colour temperature is adjusted on the circuit board of specified size
Scope is 2800K-10000K, and step-length scope 1-10K is adjustable, almost realizes middle any colour temperature.
Specifically, the specification of substrate 4 is 600mm*300mm, and LED luminescence components are stayed each other on the substrate 4
1mm space is gone out, for interfering.In actual fabrication, the LED illuminating parts on the substrate 4 are arranged as, and first will
48 groups of LED illuminating parts connect to form six tunnels, and the tunnels of Zai Jiang six are in parallel, in this way, with six kinds of colour temperatures, common 48*6*6=1728
LED illuminating parts.5mm LED illuminating parts, with 3 volts, 20 milliamperes of electric property.So, whole device, voltage is left in 160V
The right side, total current is 720mA.
Specific six tunnels numbering is respectively A1-F1, wherein：
A1-A288 welds 2600K-2700K colour temperatures, B1-B288 welding 2700K-2800K colour temperatures.
C1-C288 welds 7500K-8000K colour temperatures, D1-D288 welding 7000K-7500K colour temperatures.
E1-E288 welds 9000K-10000K colour temperatures, F1-F288 welding 10000K-11000K colour temperatures.
There is the positive and negative connecting line in six tunnels at the back side of substrate, can more substrates 4 in parallel.In the present embodiment, it is only necessary to four pieces
The parallel connection of substrate 4.
Further, the lens 3 are convex lens.Also can be also as needed feasible using corresponding lens group.From
And ensure the equal property of illumination in the set illumination plane in setting measuring distance.Specifically, according to different the need for test, also
Settable different lens 3, so that it is guaranteed that the uniformity of illumination.
Further, be additionally provided with one can control the LED illuminating parts open or close and luminosity control mould
Block, the control module is electrically connected with each LED illuminating parts.LED illuminating parts are controlled to open and close by control module
Quantity and the electricity by single led illuminating part, so as to adjust brightness so that brightness regulation scope can be in 1ux to 200,000
Between lux, that is, reach 200,000 times of scope.The life-span of LED illuminating parts, up to 20,000 hours, is 20 times of test tengsten lamp, is
10 times of test fluorescent lamp, with high cost performance, with great market prospects.
Further, shown in Figure 8, the substrate 4 includes a support 20, vertical alternate is side by side arranged at the support
On vertical bar 203 and laterally alternate setting and the horizontal stripe 202 of the support side by side, the vertical bar 203 and the horizontal stripe 202
Side offers the fixing hole for fixing the illuminating part.The vertical bar 203 and the horizontal stripe 202 are in strip, and
Offer fixing hole.The symmetrically arranged support bar 201 of 20 two, support, which is enclosed, to be welded.In this way, it is simple in construction, easily
In making, cost is low, is easy to batch production to manufacture, more maintains easily.
The LED light source device that the utility model is provided is in actual test, and measured data and nominal data difference are smaller；It is bright
Spend adjustable extent big, illuminance uniformity ensures, is significantly improved in performance and cost, greatly improves the market competitiveness,
There are good technique extension space and market development potential.
Certainly, according to actual needs, the present apparatus can also increase with WiFi module, automatic feedback module etc., by remote control or
Person's terminal connection device realizes the remote control adjustment or automation adjustment of the parameters such as colour temperature, brightness, further lifts the device
Operate portability and testing efficiency.
Referring to shown in Fig. 3 to Fig. 8, the utility model additionally provides a kind of lamp box 100, and it, which includes any of the above-described one kind, is used for
The LED light source device of imaging device image quality test.The above-mentioned LED light source device by installing so that the lamp box 100
With a preferable area source effect, and then it ensure that the reliability of test.
Further, the lamp box 100 includes a framework and the side plate that can close the framework, the LED/light source dress
Install with the framework, and being fixedly connected with wherein side plate.In this way, firm and reliable connection, compact conformation.
Further, the framework 10 includes the upper frame body 102 and lower frame body 101 of bending, the He of upper frame body 102
Diagonal mutually spell of the lower frame body 101 is welded to connect, and the top of the upper frame body 102 and the bottom of the lower frame body 101 are opened up
There is heat emission hole.In this way, the light-output that LED illuminating parts can be sent in time is to outside the lamp box 100, from there is provided lamp box 100
Service life, moreover it is possible to ensure test when the degree of accuracy.
Simultaneously in order to prevent dust and foreign matter from entering, a cover plate 30 is also equipped with the framework 10.The cover plate 30
On it is also oblique begin with a plurality of radiating groove being set up in parallel, so, it can be ensured that radiating effect, while also ensuring structural strength.
Of the present utility model preferably implement it should be noted that being given in specification of the present utility model and its accompanying drawing
Mode, still, the utility model can be realized by many different forms, however it is not limited to the implementation described by this specification
Mode, these embodiments are to make there is provided the purpose of these embodiments not as the extra limitation to the utility model content
Understanding to disclosure of the present utility model is more thorough comprehensive.Also, above-mentioned each technical characteristic continues to be mutually combined, formed
The various embodiments not being enumerated above, are accordingly to be regarded as the scope of the utility model specification record；Further, to this area
For those of ordinary skill, it can according to the above description be improved or be converted, and all these modifications and variations should all belong to
The protection domain of the utility model appended claims.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of LED light source device for imaging device image quality test, including a substrate, it is characterised in that the base
The luminescence component available for luminous irradiation is evenly arranged with plate, the luminescence component includes setting in a pedestal, the pedestal
There are LED illuminating parts, the lens that can be used for uniformly projecting light are provided with along the light direction of the LED illuminating parts.
2. a kind of LED light source device for imaging device image quality test as claimed in claim 1, it is characterised in that
The luminescence component includes the LED illuminating parts of at least three class high-color renderings.
3. a kind of LED light source device for imaging device image quality test as claimed in claim 2, it is characterised in that
The colour temperature of the LED illuminating parts of the three classes high-color rendering is respectively 2800K, between 7000-8000K and 9000-12000K
Between.
4. a kind of LED light source device for imaging device image quality test as claimed in claim 3, it is characterised in that
The lens are convex lens.
5. a kind of LED light source device for imaging device image quality test as claimed in claim 3, it is characterised in that
The illuminating part is paster or lamp bead.
6. a kind of LED light source device for imaging device image quality test as claimed in claim 3, it is characterised in that
Be additionally provided with one can control the LED illuminating parts open or close and luminosity control module, the control module with
Each LED illuminating parts are electrically connected with.
7. a kind of LED light source device for imaging device image quality test as claimed in claim 3, it is characterised in that
The substrate includes a support, the vertical alternate vertical bar being arranged on the support side by side and laterally alternate is side by side arranged at institute
State the horizontal stripe of support, the side of the vertical bar and the horizontal stripe offers the fixing hole for fixing the illuminating part.
8. a kind of lamp box, it is characterised in that filled including a kind of any of the above-described LED/light source for imaging device image quality test
Put.
9. a kind of lamp box as claimed in claim 8, it is characterised in that the lamp box includes a framework and can seal the framework
The side plate closed, the LED light source device is arranged in the framework, and is fixedly connected with wherein side plate.
10. a kind of lamp box as claimed in claim 9, it is characterised in that the framework includes the upper frame body of bending with
Framework, the upper frame body and the lower frame body are diagonally mutually spelled and are welded to connect, the bottom of the top of the upper frame body and the lower frame body
Portion offers heat emission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189189.2U CN206555828U (en) | 2017-02-28 | 2017-02-28 | A kind of LED light source device and lamp box for imaging device image quality test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189189.2U CN206555828U (en) | 2017-02-28 | 2017-02-28 | A kind of LED light source device and lamp box for imaging device image quality test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555828U true CN206555828U (en) | 2017-10-13 |
Family
ID=60361032
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720189189.2U Expired - Fee Related CN206555828U (en) | 2017-02-28 | 2017-02-28 | A kind of LED light source device and lamp box for imaging device image quality test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113961026A (en) * | 2020-10-27 | 2022-01-21 | 深圳职业技术学院 | Environmental illumination simulation system based on multi-primary-color spectrum superposition process |
-
2017
- 2017-02-28 CN CN201720189189.2U patent/CN206555828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113961026A (en) * | 2020-10-27 | 2022-01-21 | 深圳职业技术学院 | Environmental illumination simulation system based on multi-primary-color spectrum superposition process |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |