CN206400242U - For the calibrating installation of imaging device, imaging device and projecting apparatus test system - Google Patents
For the calibrating installation of imaging device, imaging device and projecting apparatus test system Download PDFInfo
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- CN206400242U CN206400242U CN201621330854.7U CN201621330854U CN206400242U CN 206400242 U CN206400242 U CN 206400242U CN 201621330854 U CN201621330854 U CN 201621330854U CN 206400242 U CN206400242 U CN 206400242U
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- imaging device
- calibrating installation
- camera lens
- rangefinder
- connection bump
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Abstract
The utility model discloses a kind of for the calibrating installation of imaging device, imaging device and projecting apparatus test system.A kind of calibrator (-ter) unit for imaging device, including：The body between camera lens and image-forming block is connected to, passes through to reach the loophole of image-forming block with the light for use by camera lens；At least three rangefinders, are arranged on the body and are located at the same side with the camera lens, at least three rangefinder is not located along the same line, and the optical axis of at least three rangefinder is parallel with the optical axis of the camera lens；Output equipment, is arranged on the body, the distance measurement result for exporting at least three rangefinder.When the calibrating installation is used for into imaging device, it may determine that whether the optical axis of camera lens is perpendicular with curtain by the distance measurement result of foregoing at least three rangefinder, the error artificially judged can be greatly reduced, so as to improve the accuracy of projecting apparatus test result.
Description
Technical field
The utility model is related to projecting apparatus technical field of measurement and test, calibrating installation more particularly to for imaging device, into
As equipment and projecting apparatus test system.
Background technology
Projecting apparatus is a kind of equipment on image or VIDEO PROJECTION to curtain can be widely used in into family, office
And public arena.Projecting apparatus needs to be tested before putting goods on the market, compared with frequently with test mode be：Make projecting apparatus will be specific
The image projection of graph card is on curtain；The projected image projected on curtain is shot using imaging device；Imaging is set
The standby image shot carries out data quantitative analysis, so as to obtain the graph card test value of projecting apparatus.Wherein, specific graph card can be
MTF (Modulation Transfer Function, modulation transfer function, abbreviation MTF) value test pattern, SFR (Spatial
Frequency Response, spatial frequency response, abbreviation SFR) value test pattern or ISO12233 graph cards.
Prior art has a drawback in that, needs to adjust the angle of imaging device and curtain in projecting apparatus test process,
So as to ensure that the optical axis of imaging device is vertical with curtain, at present, the angle of imaging device and curtain relies primarily on human eye and judges tune
Section, error is larger, so as to cause the accuracy of projecting apparatus test result relatively low.
Utility model content
The purpose of the utility model embodiment is to provide a kind of calibrating installation, imaging device and projection for imaging device
Instrument test system, to improve the accuracy of projecting apparatus test result.
The utility model additionally provides a kind of calibrating installation for imaging device, including：
The body between camera lens and image-forming block is connected to, passes through to reach imaging section with the light for use by camera lens
The loophole of part；
At least three rangefinders, are arranged on the body and are located at the same side with the camera lens, described at least three survey
Distance meter is not located along the same line, and the optical axis of at least three rangefinder is parallel with the optical axis of the camera lens；
Output equipment, is arranged on the body, the distance measurement result for exporting at least three rangefinder.
Optionally, the rangefinder includes laser range finder or infrared range-measurement system.
Preferably, at least three rangefinder is located normal to the same plane of the optical axis of the camera lens.
Preferably, at least three rangefinder is uniformly distributed in the periphery of the loophole.
Optionally, the body include the first connection bump and the second connection bump, the first connection bump have be used for
The internal thread of camera lens threaded connection, the second connection bump has the external screw thread for being used for being threadedly coupled with image-forming block, the printing opacity
First connection bump and the second connection bump are run through in hole.
Preferably, first connection bump is located at the center of the body.
Optionally, the output equipment be output interface, the output interface include USB interface, micro-USB interfaces or
Lightning interfaces；Or
The output equipment is display screen.
When the calibrating installation that the utility model embodiment is provided is used for imaging device, by camera lens and the body of calibrating installation
The connection of the first connection bump, the second connection bump of image-forming block and body is connected, and ensures at least three rangefinders
Optical axis is parallel with the optical axis of the camera lens, now, and rangefinder can accurately measure the distance of itself and curtain, pass through rangefinder
Distance measurement result may determine that whether the optical axis of camera lens is perpendicular with curtain, compared to prior art, can greatly reduce and artificially sentence
Disconnected error, so as to improve the accuracy of projecting apparatus test result.
The utility model additionally provides a kind of imaging device, including calibrating installation described in any one of foregoing technical scheme,
The camera lens that is connected with the first connection bump of the calibrating installation and it is connected with the second connection bump of the calibrating installation
Image-forming block.
Preferably, the imaging device also includes adjustment platform, the body of the adjustment platform and the calibrating installation is detachable
Connection.
Projecting apparatus is tested using the imaging device, can more accurately judge that camera lens optical axis whether with curtain
It is perpendicular, and the accordingly angle of regulation imaging device and curtain, camera lens is accurately intactly shot the projected image on curtain,
Compared to prior art, the error artificially judged can be greatly reduced, so as to improve the accuracy of projecting apparatus test result.
The utility model additionally provides a kind of projecting apparatus test system, including the imaging described in foregoing any one technical scheme
Equipment.
Projecting apparatus is tested using the projecting apparatus test system, can more accurately judge that camera lens optical axis whether
It is perpendicular with curtain, and the accordingly angle of regulation imaging device and curtain, compared to prior art, it can greatly reduce and artificially sentence
Disconnected error, so as to improve the accuracy of projecting apparatus test result.
Brief description of the drawings
Fig. 1 is the front view of the calibrating installation of the utility model embodiment one；
Fig. 2 is the operation principle schematic diagram of the calibrating installation of the utility model embodiment one；
Fig. 3 is the top view of the calibrating installation of the utility model embodiment one；
Fig. 4 is the right view of the imaging device of the utility model embodiment two；
Fig. 5 is the sectional view of the imaging device of the utility model embodiment two；
Fig. 6 is the structural representation of the imaging device of the utility model embodiment two.
Reference：
1- calibrating installations；2- bodies；The connection bumps of 3- first；The connection bumps of 4- second；5- rangefinders；
6- output equipments；7- imaging devices；8- camera lenses；9- image-forming blocks；10- adjusts platform；11- curtains；
12- loopholes；51- transmitters；52- detectors.
Embodiment
In order to improve the accuracy of projecting apparatus test result, the utility model embodiment provides a kind of for imaging device
Calibrating installation, imaging device and projecting apparatus test system.To make the purpose of this utility model, technical scheme and advantage more clear
Chu, is exemplified below embodiment and the utility model is described in further detail.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of calibration for imaging device 7 that the utility model embodiment one is provided
Device 1, including：
The body 2 between camera lens 8 and image-forming block 9 is connected to, with being passed through for use by the light of camera lens 8 so as to reaching
As the loophole 12 of part 9；
At least three rangefinders 5, are arranged on body 2 and are located at the same side, at least three rangefinders 5 not position with camera lens 8
In on same straight line, the optical axis of at least three rangefinders 5 is parallel with the optical axis of camera lens 8；
Output equipment 6, is arranged on body 2, the distance measurement result for exporting at least three rangefinders 5.
The particular type of rangefinder 5 is not limited, it may for example comprise laser range finder or infrared range-measurement system.Rangefinder 5 includes transmitting
Device 51, detector 52 and timer (not shown).As shown in Fig. 2 when using rangefinder 5, transmitter 51 is launched first
Light to the A ' of curtain 11, B ', C ', D ' places, a part of light is reflected back rangefinder 5 through curtain 11, and detector 52 is received instead
The light penetrated, the total time for the light that light receives to reflect to detector 52 is launched by transmitter during timer 51, can be with
Calculate the distance of rangefinder 5 and measurand.
Preferably, at least three rangefinders 5 be located at body 2 on perpendicular to camera lens 8 optical axis same plane, when at least three
When the distance measurement result of individual rangefinder 5 is equal, at least three rangefinders 5 are respectively positioned on the plane and curtain of the optical axis perpendicular to camera lens 8
Cloth 11 is parallel, so as to judge that the optical axis and curtain 11 of camera lens 8 are perpendicular.Preferably, at least three rangefinders 5 are equal
The even periphery for being distributed in loophole 12, so that the distance measurement result of rangefinder 5 is more accurate.
The concrete shape of body 2 is not limited, it is for instance possible to use square body or circular body, preferably with image-forming block 9
The similar body 2 of shape, is easy to the installation and removal of body 2.Now, preferably the first connection bump 3 is located at the center of body 2.
In embodiment one of the present utility model, it is preferred that the first connection bump 3 of body 2, which has, to be used for and the spiral shell of camera lens 8
The female thread structure of line connection, the second connection bump 4 has the external thread structure for being used for being threadedly coupled with image-forming block 9, is easy to
The installation and removal of body 2.When camera lens 8 is the camera lens of special shape, the first connection bump 3 can be according to the connection of camera lens 8
Place uses corresponding structure；When image-forming block 9 is the image-forming block of special shape, the second connection bump 4 can be according to imaging
The junction of part 9 uses corresponding structure.
The particular type of output equipment 6 is not limited, for example, can be output interface or display screen, and output interface connects including USB
Mouth, micro-USB interfaces or lightning interfaces, can be shown with the external device of the distance measurement result of linking parsing rangefinder 5
Equipment can intuitively show the distance measurement result of rangefinder 5.In embodiment one of the present utility model, output equipment 6 is using general
All over the USB interface used.
When the calibrating installation 1 that the utility model embodiment is provided is used for imaging device 7, by camera lens 8 and calibrating installation 1
First connection bump 3 of body 2 is connected, and image-forming block 9 is connected with the second connection bump 4 of body 2, and ensures at least three
The optical axis of rangefinder 5 is parallel with the optical axis of camera lens 8, now, and rangefinder 5 can accurately measure the distance of itself and curtain 11, leads to
The distance measurement result for crossing rangefinder 5 may determine that whether the optical axis of camera lens 8 is perpendicular with curtain 11, compared to prior art, can be with
The error artificially judged is greatly reduced, so as to improve the accuracy of projecting apparatus test result.
Embodiment two
As shown in Figure 4, Figure 5 and Figure 6, the utility model embodiment two provides a kind of imaging device 7, including foregoing implementation
The calibrating installation 1 of example one, the camera lens being connected with the first connection bump 3 of the body 2 of calibrating installation 1 and with body 2
The image-forming block 9 of two connection bumps 4 connection.
In embodiment two of the present utility model, it is preferred that image-forming block 9 has second with body 2 in embodiment one
The female thread structure that connection bump 4 is connected.
Imaging device 7 also includes adjustment platform 10, and the body 2 of adjustment platform 10 and calibrating installation 1 is detachably connected, and is easy to regulation
The distance and angle of body 2 and curtain 11.
The particular type of image-forming block 9 is not limited, for example, can be projection imaging part or camera imaging part.When using
During projection imaging part, the image-displaying member in projection imaging part produces the color image of red, green, blue 3 after being irradiated through light, leads to
The image that prism synthesizes 3 color images a variety of colors is crossed, then used camera lens 8 is projected；When using camera imaging part,
Light projects the top layer of the photo-sensitive cell in camera imaging part through camera lens 8, and light is through the filter on photo-sensitive cell top layer
Different color light is resolved into, different photosensitive units senses corresponding coloured light and produces the analog current signal of varying strength, mould
Intend signal and data signal preservation is converted on a memory card by digital analog converter.
As shown in fig. 6, in the utility model embodiment two, the body 2 of calibrating installation 1, which has, is evenly distributed on the first company
Four rangefinders 5 of raised 3 the week side of boss are connect, and four rangefinders 5 are located normal to the same plane of the optical axis of camera lens 8.Using this
When imaging device 7 is tested projecting apparatus, four rangefinders 5 obtain respectively where plane and curtain 11 distance, output
Equipment 6 is USB interface, the distance measurement result of rangefinder 5 is transmitted into the external device for analyzing distance measurement result, external device is with it
In on the basis of a distance measurement result, remaining distance is analyzed, the data drawn according to analysis are adjusted manually adjusts platform 10, when
When the distance that four rangefinders 5 are obtained is equal, calibrating installation 1 is parallel with curtain 11, thus ensure that camera lens 8 optical axis and
Curtain 11 is perpendicular, camera lens is accurately shot the graph card on curtain 11, improves the accuracy of projecting apparatus test result.
Projecting apparatus is tested using the imaging device 7, can more accurately judge that camera lens 8 optical axis whether with curtain
Cloth 11 is perpendicular, and the accordingly angle of regulation imaging device 7 and curtain 11, camera lens 8 is accurately intactly shot on curtain 11
Projected image, compared to prior art, the error artificially judged can be greatly reduced, so as to improve projecting apparatus test result
Accuracy.
Embodiment three
The utility model additionally provides a kind of projecting apparatus test system, includes the imaging device 7 of previous embodiment two.
The projecting apparatus test system also includes curtain and the external device for analyzing distance measuring structure.In the present embodiment,
Image-forming block 9 uses industrial camera, and the body 2 of calibrating installation 1 is square body, and the first connection bump 3 and second of body 2 connects
Connect projection 4 and be located at the center of body 2, four rangefinders 5 are uniformly distributed in the periphery of the first connection bump 3, and output equipment 6 is used
USB interface.The body 2 of calibrating installation 1 is connected with adjustment platform 10, camera lens 8 is connected with the first connection bump 3 of body 2, imaging
Part 9 is connected with the second connection bump 4 of body, and the USB interface of body 2 is connected with external device.
Using comprising the following steps that the projecting apparatus test system of the present embodiment is tested projecting apparatus：
Step 101, using projecting apparatus the image of specific graph card is projected on curtain；
Step 102, the alignment lenses curtain by imaging device；
After step 103, the calibrating installation ranging started in imaging device, equipment to be imaged are finished, seen by external device
Examine distance measurement result；
If step 104, four distance measurement results are identical, image taking is carried out；Otherwise, regulation adjustment platform, is then repeated
Step 103.
Projecting apparatus is tested using the projecting apparatus test system, can more accurately judge that the optical axis of camera lens 8 is
It is no perpendicular with curtain 11, and the accordingly angle of regulation imaging device 9 and curtain 11, compared to prior art, it can subtract significantly
The small error artificially judged, so as to improve the accuracy of projecting apparatus test result.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of calibrating installation for imaging device, it is characterised in that including：
The body between camera lens and image-forming block is connected to, passes through to reach image-forming block with the light for use by camera lens
Loophole；
At least three rangefinders, are arranged on the body and are located at the same side, at least three rangefinder with the camera lens
It is not located along the same line, the optical axis of at least three rangefinder is parallel with the optical axis of the camera lens；
Output equipment, is arranged on the body, the distance measurement result for exporting at least three rangefinder.
2. calibrating installation as claimed in claim 1, it is characterised in that the rangefinder includes laser range finder or infrared distance measurement
Instrument.
3. calibrating installation as claimed in claim 1, it is characterised in that at least three rangefinder is located normal to the mirror
The same plane of the optical axis of head.
4. calibrating installation as claimed in claim 1, it is characterised in that at least three rangefinder is uniformly distributed in described
The periphery of unthreaded hole.
5. calibrating installation as claimed in claim 1, it is characterised in that the body includes the first connection bump and the second connection
Projection, the first connection bump has the internal thread for being used for being threadedly coupled with camera lens, and the second connection bump, which has, to be used for and imaging section
The external screw thread of part threaded connection, the loophole runs through first connection bump and the second connection bump.
6. calibrating installation as claimed in claim 5, it is characterised in that first connection bump is in the center of the body.
7. calibrating installation as claimed in claim 1, it is characterised in that the output equipment is output interface, the output connects
Mouth includes USB interface, micro-USB interfaces or lightning interfaces；Or
The output equipment is display screen.
8. a kind of imaging device, it is characterised in that including the calibrating installation as described in any one of claim 1~7 and the school
The camera lens of the first connection bump connection of standard apparatus and the imaging section being connected with the second connection bump of the calibrating installation
Part.
9. imaging device as claimed in claim 8, it is characterised in that the imaging device also includes adjustment platform, the adjustment
The body of platform and the calibrating installation is detachably connected.
10. a kind of projecting apparatus test system, it is characterised in that including the imaging device as described in any one of claim 8~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330854.7U CN206400242U (en) | 2016-12-02 | 2016-12-02 | For the calibrating installation of imaging device, imaging device and projecting apparatus test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330854.7U CN206400242U (en) | 2016-12-02 | 2016-12-02 | For the calibrating installation of imaging device, imaging device and projecting apparatus test system |
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| CN206400242U true CN206400242U (en) | 2017-08-11 |
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ID=59508486
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| CN201621330854.7U Active CN206400242U (en) | 2016-12-02 | 2016-12-02 | For the calibrating installation of imaging device, imaging device and projecting apparatus test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475106A (en) * | 2018-05-11 | 2019-11-19 | 视联动力信息技术股份有限公司 | A kind of focus adjustment method and apparatus of projector |
| CN111948035A (en) * | 2020-07-31 | 2020-11-17 | 芜湖造船厂有限公司 | Tensile sample clamping vertical calibration device and calibration method thereof |
| CN115451872A (en) * | 2022-10-24 | 2022-12-09 | 江阴市海达电机冲片有限公司 | Motor core rotor structure analysis platform |
-
2016
- 2016-12-02 CN CN201621330854.7U patent/CN206400242U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475106A (en) * | 2018-05-11 | 2019-11-19 | 视联动力信息技术股份有限公司 | A kind of focus adjustment method and apparatus of projector |
| CN110475106B (en) * | 2018-05-11 | 2021-11-16 | 视联动力信息技术股份有限公司 | Focal length adjusting method and device of projector |
| CN111948035A (en) * | 2020-07-31 | 2020-11-17 | 芜湖造船厂有限公司 | Tensile sample clamping vertical calibration device and calibration method thereof |
| CN111948035B (en) * | 2020-07-31 | 2024-01-26 | 芜湖造船厂有限公司 | Tensile sample clamping vertical calibration device and calibration method thereof |
| CN115451872A (en) * | 2022-10-24 | 2022-12-09 | 江阴市海达电机冲片有限公司 | Motor core rotor structure analysis platform |
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