CN106657993B - A kind of low-light (level) wide-angle light box - Google Patents
A kind of low-light (level) wide-angle light box Download PDFInfo
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- CN106657993B CN106657993B CN201710115731.4A CN201710115731A CN106657993B CN 106657993 B CN106657993 B CN 106657993B CN 201710115731 A CN201710115731 A CN 201710115731A CN 106657993 B CN106657993 B CN 106657993B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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Abstract
The present invention relates to the technical field of image detection, more particularly, to a kind of low-light (level) wide-angle light box.Test box including a closing setting, the testing jig for carrying imaging device, it is set between the testing jig and the test box and the testing jig can be driven and telescoping mechanism that the test box moves towards, the both ends of the telescoping mechanism are connect respectively with the testing jig and the test box；One is provided on the testing jig can fix the holder of the imaging device, and relatively described holder offers an opening shot for the imaging device on the test box.By the way that imaging device and the test box (dark place) are provided separately, and telescoping mechanism, the imaging device and the test box can be driven to move toward one another, in this way, can one test environment of rapid build, and in the imaging device for testing different wide-angles, by adjusting changing telescoping mechanism, you can quick adjustment relieves test dead angle, testing efficiency is greatly improved, enriches the category of test.
Description
Technical field
The present invention relates to the technical field of image detection, more particularly, to a kind of low-light (level) wide-angle light box.
Background technology
At present, VR cameras, panorama camera, fisheye camera, mobile phone camera, tablet computer camera, slr camera, civilian
And professional camera, automobile camera head, security monitoring camera, medical imaging obtain equipment etc., these imaging devices or
Digital image collection system is directed to the evaluation and detection of picture quality, by the detection environment or scene of the standard of building,
These equipment or the image quality of image capturing system are detected using the detection method of standard, imaging can be objectively responded out and set
Standby or image-taking system performance.Detection is built as a result, or evaluates imaging device or the mark of imaging system images quality
Quasi is most important.Picture quality currently used for general camera, wide-angle image equipment detects environmental structure occupied ground
Larger, environment difficulty realizes standardization control particularly when the image quality for detecting low-light (level), and Testing index can not be accurately anti-
Reflect the performance of imaging device.And both at home and abroad temporarily without it is a kind of can provide standard it is low according to environmental Kuznets Curves condition and include general camera shooting
The standardization detection device of the first-class imaging device image quality detection of head, wide-angle imaging.
However, on the market it is existing for imaging device image detection mainly using build profession detection dark place, dark place
Wall, ceiling, floor etc. should all be neutral grays, other articles are also grey or achromaticity.Such dark place finishing rule
Lattice are more demanding, and to realize the detection of multiple projects, the outfit of dark place mainly includes：The standard illuminants light source of multi color temperature surveys light
It is equipment, lookout terrace or backboard, identification resolution chart, color rendition test card, noise test card, dynamic range test card, abnormal
Become the reflectance charts such as test card.When needing to detect imaging device performance parameter, corresponding test card is selected first, is hung
It is placed on backboard；Secondly using colour temperature, illumination, uniformity of illumination of photometry apparatus Calibrating source etc.；Then it adjusts to be detected
Camera or imaging device and captured test card position, shoot image；Finally phase is calculated using specialty analysis software
The parameter answered.
It is larger that prior art builds experimental site, it is desirable that builds fixed standard dark place, dark place finishing is with a higher standard；Secretly
Accuracy control is difficult to simulate or even be difficult to there are error, especially low light environment during the experimental situation brightness regulation in room
It realizes, the test event for influencing imaging device detection accuracy or very low-light (level) can not achieve；Existing technologies scheme uses more
Single surface light source or two-sided light source irradiation test card, the illumination uniformity on test card surface adjust difficulty, are especially vertically oriented
Illumination uniformity can not almost adjust；Light source adjusts numerous with imaging device, the position of test card and angle in prior art
It is trivial, camera optical axis center is caused to correspond to uniform illumination sexual deviation between test point and marginal test point larger, such as wide-angle camera
Test can also have test dead angle, limit the test-types of imaging device, such as VR cameras, panorama camera, fisheye camera
Ultra-wide angle equipment is difficult to realize accurately test；Prior art uses reflection type test wrapper in ultra-wide angle camera testing field
Border is simulated, and is had a disadvantage that：1) test of the projects such as wide dynamic, noise is difficult to realize, causes test event not comprehensive；2) wide-angle
Camera view range is wide, and reflective illumination uniformity is difficult to accurately control, and measurement result is caused to repeat difference.
In consideration of it, it is really necessary to design a kind of to detect the standard dark places of a variety of imaging devices convenient for building and can be applicable in.
Invention content
The technical problems to be solved by the invention are to provide a kind of low-light (level) wide-angle light box, it is intended to solve existing skill
In art, dark place is built cumbersome and the problem of be unable to compatibility test a variety of imaging devices.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of low-light (level) wide-angle light box, packet
It includes the test box of closing setting, carry the testing jig of imaging device, be set between the testing jig and the test box simultaneously
The telescoping mechanism that the testing jig and the test box can be driven to move towards, the both ends of the telescoping mechanism respectively with the survey
Examination frame is connected with the test box；One is provided on the testing jig can fix the holder of the imaging device, the test box
On relatively described holder offer an opening shot for the imaging device.
Further, the telescoping mechanism is in hinge shape, including the left link block to intersect and middle part is rotatably connected
With right link block, along the telescopic direction of the telescoping mechanism, lead between the two adjacent left link blocks and the right link block
Cross end rotation connection.
Further, the telescoping mechanism is in roller shutter shape, is wound including rollable connect band and for the connect band
Coiled rotating bar, one end of the connect band are fixedly connected on the test box or the testing jig, the connect band it is another
One section is fixedly connected on the rotating bar, and the rotating bar is set to the testing jig or the test box.
Further, the test box includes framework and the framework is covered to closed side plate, wherein, relatively described survey
The side plate of examination frame setting is followed successively by front side board and back side panel, the center for being opened in the front side board, before described
Illuminating part is evenly arranged in the inner peripheral wall of side plate, test card is positioned on the inner wall of the back side panel.
Further, the illuminating part is LED light bar, and the LED light bar is four, is separately positioned in the front side board
Four edges of wall.
Further, four corners of the front side board inner wall are both provided with a lamp bead.
Further, the testing jig includes " mouth " font framework, is vertically arranged in described " mouth " font framework
Two cross bars that two montants and relatively described " mouth " font framework are laterally set up in parallel, two cross bars pass through a bearing
It is fixed on by the montant side, the holder is set on the cross bar.
Further, the bearing is fixed on by eccentric fixed seat on the montant, and can be along the axis of the montant
Direction moves up and down, and the holder is fixed on by eccentric fixed seat on the cross bar, and can be along the axis side of the cross bar
To doing left and right transverse shifting.
Further, between the testing jig and the test box covered with maskable extraneous veiling glare and foldable gathering
Ceiling cover.
Further, the bottom of the testing jig, which is provided with one, can store the first storage box of the stretching structure, described
For first storage box tool there are one the first containing cavities, one end active link of the stretching structure is interior with first storage box
Wall.
It is compared with the prior art, low-light (level) wide-angle light box provided by the invention, by by imaging device and the survey
Examination case (dark place) is provided separately, and sets a telescoping mechanism, the imaging device and the test box can be driven to move toward one another, such as
This, can one test environment of rapid build, and in the imaging device for testing different wide-angles, by adjusting telescoping mechanism is changed, i.e.,
It can quickly adjust, relieve test dead angle, greatly improve testing efficiency, enrich the category of test, wide market.
Description of the drawings
Fig. 1 is a kind of stereoscopic schematic diagram of low-light (level) wide-angle light box provided in an embodiment of the present invention.
Fig. 2 is a kind of schematic elevation view of low-light (level) wide-angle light box provided in an embodiment of the present invention.
Fig. 3 is a kind of schematic top plan view of low-light (level) wide-angle light box provided in an embodiment of the present invention.
Fig. 4 is a kind of left view schematic diagram of low-light (level) wide-angle light box provided in an embodiment of the present invention.
Fig. 5 is stereoscopic schematic diagram when a kind of low-light (level) wide-angle light box provided in an embodiment of the present invention is shunk.
Fig. 6 is schematic elevation view when a kind of low-light (level) wide-angle light box provided in an embodiment of the present invention is shunk.
Fig. 7 is the layout drawing of LED light bar in a kind of low-light (level) wide-angle light box provided in an embodiment of the present invention.
Fig. 8 is the another signal that LED light bar is arranged in a kind of low-light (level) wide-angle light box provided in an embodiment of the present invention
Figure.
Label symbol explanation
1 test box, 31 holder
2 telescoping mechanism, 32 montant
3 testing jig, 33 cross bar
11 front side board, 34 first storage box
The eccentric fixed seat of 12 lamp bar 35
13 second storage box, 21 left link block
14 back side panel, 22 right link block
15 lamp beads 111 are open
100 low-light (level) wide-angle light boxs
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The realization of the present invention is described in detail below in conjunction with specific attached drawing.
For sake of convenience, hereinafter the left and right, upper and lower of so-called " left side " " right side " " on " " under " and attached drawing in itself to one
It causes, but restriction effect is not played to the structure of the present invention.
It is a preferred embodiment provided by the invention referring to shown in Fig. 1 to Fig. 8.
A kind of low-light (level) wide-angle light box 100 provided in this embodiment includes the test box 1, described of a closing setting
There is the adjustable standard sources of multi color temperature brightness, the standard sources can guarantee the requirement of low-light (level) in test box 1；Carrying imaging
The testing jig 3 of equipment is set between the testing jig 3 and the test box 1 and can drive the testing jig 3 and the test
The telescoping mechanism 2 that case 1 moves towards, the both ends of the telescoping mechanism 2 are connect respectively with the testing jig 3 and the test box 1；
One is provided on the testing jig 3 can fix the holder 31 of the imaging device, and relatively described holder 31 is opened on the test box 1
The opening 111 shot equipped with one for the imaging device.The present embodiment is by by imaging device and the test box 1 (dark place)
It is provided separately, and telescoping mechanism 2, the imaging device and the test box 1 can be driven to move toward one another, in this way, can rapid build
One test environment, and in the imaging device for testing different wide-angles, by adjusting telescoping mechanism 2 is changed, you can quick adjustment, solution
In addition to testing dead angle, testing efficiency is greatly improved, enriches the kind of test.
Furthermore the test box 1 provides the space of a relative closure, can completely cut off extraneous veiling glare, and appearance and size is：
Wide 1m X high 1m X depths 1.4m.In this way, in test, can be carried out in normal lighting environment, equipment small by such environmental effects
It is easy to operate.The test box 1 is on the one hand, convenient to install the different required reflective reflectance charts of test event；Separately
On the one hand it is expansible to realize transmission class testing project, transmission Led lamp plates in the test box 1 can be installed, can be pasted before Led lamp plates
Upper transmission class testing card, you can extend the test-types of device.
Further, the telescoping mechanism 2 is in hinge shape, that is, usually said " bouffancy formula " structure, including mutual
The left link block 21 and right link block 22 that intersection and middle part are rotatably connected, along the telescopic direction of the telescoping mechanism 2, two is adjacent
The left link block 21 and the right link block 22 between be rotatablely connected by end.2 retractable of telescoping mechanism,
The mechanism can be collapsed when not in use, not in space, and the equipment size is compact, and the flexible performance of equipment operation is strong, also allows for
Transport carries, while also has the beauty of shape concurrently, is easy to application.
It is readily apparent that, it is in roller shutter shape, that is, usually said that the telescoping mechanism 2 in the present embodiment, which can also be,
" curtain " structure, including rollable connect band and the rotating bar being wound into for the connect band, the one of the connect band
End is fixedly connected on the test box 1 or the testing jig 3, and another section of the connect band is fixedly connected on the rotating bar,
The rotating bar is set to the testing jig 3 or the test box 1.In this way, control easy to automate, is surveyed when needing to adjust
When trying the distance between frame 3 and test box 1, the rotating bar need to only be driven to rotate, and by connecting servo motor, it can be real
Existing closed loop automation control, eliminates artificial tune machine, greatly improves testing efficiency.
In conclusion by setting the telescoping mechanism 2, on the one hand, can by device zoom, convenient for putting and transporting,
Still further aspect can meet the test needs of a variety of focused images equipment.For a better connection, it is preferred to use be flexible coupling
For form, it can be achieved that the step-length of precision 1cm is adjusted, maximum adjustable dimension 1m is the movement for preferably ensuring the testing jig 3,
Track connecting test frame 3 with a scale and test box 1 can be also set.
Further, the test box 1 includes framework and the framework is covered to closed side plate, wherein, it is relatively described
The side plate that testing jig 3 is set is followed successively by front side board 11 and back side panel 14, and the opening 111 is opened in the center of the front side board 11
Position has been evenly arranged illuminating part in the inner peripheral wall of the front side board 11, and test card is positioned over the inner wall of the back side panel 14
On.In this way, it is simple in structure, while test card is conveniently replaceable, compatibility test diversified forms, such as transmission-type and reflective imaging.
It should be noted that in the present embodiment, the back side panel 14 can dismantle opening, such conveniently replaced survey
Examination card.Certainly, the back side panel 14 is also what can be replaced, according to test needs, can the back side panel 14 be changed to transmission
Component so as to adapt to test transparent test card, realizes transmission-type detection, in this way, expansible test event, especially for pole
The test of high brightness and extremely low illumination needs.
Further, the illuminating part is LED light bar 12, and the LED light bar 12 is four, is separately positioned on the front side
Four edges of 11 inner wall of plate, four LED light bars 12 are in " returning " shape.In the present embodiment, the brightness of 12 light source of LED light bar
Adjustable range 100-10000Lux, colour temperature adjustable range are 2800-6500K, it is possible to provide the standard environment of normal illumination, four
Led lamp bars 12 irradiate test card simultaneously, it is ensured that the uniformity of illuminance of test card center and quadrangle is within 10%.Setting and four
The lamp bead 15 in a corner is low according to testing standard illumination, brightness regulation range 0-100Lux, colour temperature adjustable range for providing
2800-6500K, four lamp beads 15 irradiate test card and ensure uniformity of illuminance within 10%.
Further, in the present embodiment, the testing jig 3 includes " mouth " font framework, and steel body structure is vertically arranged to
Two cross bars that two montants 32 and relatively described " mouth " font framework in " mouth " the font framework are laterally set up in parallel
33, two cross bars 33 are fixed on by a bearing by 32 side of montant, and the holder 31 is set on the cross bar 33, institute
Holder 31 is stated to be located at the center of the framework.During actual test, the imaging device can need to carry out 6 dimensions according to test
Position adjustment, wherein XYZ three-dimensional coordinates adjustable range is ± 150mm, and the adjustable ranges of three rotation angles is 0-360 degree,
Convenient for adjusting the optical axis center of imaging device perpendicular to the center of captured test card.
Further, the bearing is fixed on by eccentric fixed seat 35 on the montant 32, and can be along the montant 32
Axis direction move up and down.The holder 31 is fixed on by eccentric fixed seat 35 on the cross bar 33, and can be along described
The axis direction of cross bar 33 does left and right transverse shifting.It, can by the bias fixed seat 35 due to eccentric 35 dismounting of fixed seat aspect
Quickly adjust the upper-lower position and right position of the holder 31.Certainly, as needed, the technical program is also designed to silk
The structure of bar sliding block, so as to easy to automate, so as to fast and accurately be adjusted to best test image space.
In addition, a turntable can be also set on the holder 31, in the imaging device setting and the turntable, in this way,
The imaging device rotatably adjusts imaging angle.It is readily comprehensible, change the angle of rotation, be not limited to a dimension, it can be with
It is realized in multiple dimensions.
Further, the bottom of the testing jig 3, which is provided with one, can store the first storage box 34 of the stretching structure, institute
Stating the first storage box 34 tool, there are one the first containing cavities, one end active link of the stretching structure and first storage boxes 34
Inner wall.The bottom of the test box 1, which is provided with one, can store the second storage box 13 of the stretching structure, second storage
Relatively described first storage box 34 of box 13 is set, and there are one the second containing cavities, the stretching structures for the tool of the second storage box 13
Other end active link and second storage box 13 inner wall.It is stored by being set in the bottom of testing jig 3 and test box 1
Box, the utilization useful space of maximizing so that structure is compacter, and floor space is small, is readily transported carrying.
It certainly, can also the setting one in the test box 1 in order to better meet the needs for being directed to wide angle camera test
Mounting bracket so that the test card is in curved surface arranged evenly in the test box 1, realizes the measurement of wide-angle test event,
This design of quadrangle lamp bead and led illuminating parts can meet the uniform-illumination on a spherical surface, and lamp bead (point is configured in four angle points
Light source) it is the insufficient feature of illumination that can supplement four, four side line source on radian face.So, it is easy to accomplish to wide-angle phase
The test of machine.
The present embodiment realizes removable detection environment, by being equipped with high color rendering index (CRI) lamp plate, accurately controls test device
Internal colour temperature, illumination, so as to establish standard test environment, great market potential,.This detection device can be to multiple types imaging device
Single device many indexes detection is carried out, VR cameras, panorama camera, mobile phone camera, tablet computer camera, list can be met
A variety of surveys for obtaining equipment such as reverse phase machine, civilian and professional camera, automobile camera head, security monitoring camera, medical imaging
Examination requirement, and the reflection clarity of original text, color rendition, noise, dynamic range, abnormal can be shot in single device with detection device
The index parameters such as change, while can be with clarity, color rendition, noise, dynamic range, distortion of measuring apparatus shooting transmitting manuscript etc.
Index parameter.
Further, a ceiling cover can be also covered between the testing jig and the test box, the ceiling cover is adopted
It is made with black bouffancy material, in this way, maskable external world's veiling glare and foldable gathering.In this way it is easy in the test
A darkroom is easily formed between frame and the test box, convenient for detection.
It should be noted that the preferable embodiment of the present invention is given in the specification and its attached drawing of the present invention, but
It is that the present invention can be realized by many different forms, however it is not limited to the described embodiment of this specification, these realities
Mode is applied not as the additional limitation to the content of present invention, the purpose of providing these embodiments is that making in disclosure of the invention
The understanding of appearance more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and forms the various realities not being enumerated above
Mode is applied, is accordingly to be regarded as the range of description of the invention record；Further, for those of ordinary skills, Ke Yigen
It is improved or converted according to above description, and all these modifications and variations should all belong to the protection of appended claims of the present invention
Range.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of low-light (level) wide-angle light box, which is characterized in that test box, carrying imaging device including a closing setting
Testing jig is set between the testing jig and the test box and can drive the testing jig and the test box moves towards
Telescoping mechanism, the both ends of the telescoping mechanism are connect respectively with the testing jig and the test box；It is set on the testing jig
The holder of the imaging device can be fixed by being equipped with one, and relatively described holder offers one and set for the imaging on the test box
The opening of standby shooting.
2. low-light (level) wide-angle light box as described in claim 1, which is characterized in that the telescoping mechanism is in hinge shape, is wrapped
It includes and intersects and left link block that middle part is rotatably connected and right link block, along the telescopic direction of the telescoping mechanism, two-phase
It is rotatablely connected between the adjacent left link block and the right link block by end.
3. low-light (level) wide-angle light box as described in claim 1, which is characterized in that the telescoping mechanism is in roller shutter shape, is wrapped
Rollable connect band and the rotating bar being wound into for the connect band are included, one end of the connect band is fixedly connected on institute
Test box or the testing jig are stated, another section of the connect band is fixedly connected on the rotating bar, and the rotating bar is set to
The testing jig or the test box.
4. low-light (level) wide-angle light box as claimed in claim 2 or claim 3, which is characterized in that the test box include framework and
The framework is covered to closed side plate, wherein, the side plate of relatively described testing jig setting is followed successively by front side board and back side panel, institute
The center for being opened in the front side board is stated, illuminating part has been evenly arranged in the inner peripheral wall of the front side board, is tested
Card is positioned on the inner wall of the back side panel.
5. low-light (level) wide-angle light box as claimed in claim 4, which is characterized in that the illuminating part is LED light bar, described
LED light bar is four, is separately positioned on four edges of the front side board inner wall.
6. low-light (level) wide-angle light box as claimed in claim 5, which is characterized in that four corners of the front side board inner wall
Place is both provided with a lamp bead.
7. low-light (level) wide-angle light box as claimed in claim 5, which is characterized in that the testing jig includes " mouth " font
Framework, two montants being vertically arranged in described " mouth " font framework and relatively described " mouth " font framework are laterally set side by side
Two cross bars put, two cross bars are fixed on by a bearing by the montant side, and the holder is set on the cross bar.
8. low-light (level) wide-angle light box as claimed in claim 7, which is characterized in that the bearing is consolidated by eccentric fixed seat
Due on the montant, and can be moved up and down along the axis direction of the montant；The holder is fixed by eccentric fixed seat
In on the cross bar, and left and right transverse shifting can be done along the axis direction of the cross bar.
9. low-light (level) wide-angle light box as claimed in claim 2 or claim 3, which is characterized in that the testing jig and the test
Ceiling cover covered with maskable extraneous veiling glare and foldable gathering between case.
10. the low-light (level) wide-angle light box as described in any one of claim 1-3, which is characterized in that the testing jig
Bottom, which is provided with one, can store the first storage box of the stretching structure, and first storage box has there are one the first containing cavities,
The inner wall of one end active link of the stretching structure and first storage box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115731.4A CN106657993B (en) | 2017-02-28 | 2017-02-28 | A kind of low-light (level) wide-angle light box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115731.4A CN106657993B (en) | 2017-02-28 | 2017-02-28 | A kind of low-light (level) wide-angle light box |
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| CN106657993A CN106657993A (en) | 2017-05-10 |
| CN106657993B true CN106657993B (en) | 2018-07-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109581088A (en) * | 2017-09-28 | 2019-04-05 | 南京淳泰控制设备有限公司 | A kind of conducting ring service life test detecting equipment |
| CN108156455B (en) * | 2017-12-28 | 2020-12-08 | 上海传英信息技术有限公司 | Camera testing device of intelligent terminal |
| CN112188191A (en) * | 2020-11-03 | 2021-01-05 | 中科创达软件股份有限公司 | Camera debugging equipment and method |
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| CN201066092Y (en) * | 2007-07-02 | 2008-05-28 | 比亚迪股份有限公司 | Camera module test lamp box |
| CN203554615U (en) * | 2013-10-10 | 2014-04-16 | 中国航空工业集团公司上海航空测控技术研究所 | Testing device for viewing angle of camera |
| CN203813898U (en) * | 2014-01-17 | 2014-09-03 | 深圳英飞拓科技股份有限公司 | A dome cover image quality testing apparatus |
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| Publication number | Publication date |
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| CN106657993A (en) | 2017-05-10 |
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