CN206460254U - The angle of visual field testing stand and detection means of a kind of wide-angle imaging module - Google Patents
The angle of visual field testing stand and detection means of a kind of wide-angle imaging module Download PDFInfo
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- CN206460254U CN206460254U CN201720185661.5U CN201720185661U CN206460254U CN 206460254 U CN206460254 U CN 206460254U CN 201720185661 U CN201720185661 U CN 201720185661U CN 206460254 U CN206460254 U CN 206460254U
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- imaging module
- angle imaging
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Abstract
The utility model discloses a kind of angle of visual field testing stand of wide-angle imaging module and detection means.The angle of visual field testing stand of the wide-angle imaging module at least includes U-bracket, and the U-bracket includes cross bar and is arranged on the first scale bar and the second scale bar on the two ends of the cross bar and perpendicular with the cross bar, and the first scale bar and the second scale bar are parallel；The midpoint of the cross bar is the set-point of wide-angle imaging module.The angle of visual field testing stand of the wide-angle imaging module is dedicated for detecting the angle of visual field size of wide-angle imaging module, and simple in construction, method is reliable.
Description
Technical field
The utility model is related to camera module detection field, more particularly to a kind of angle of visual field testing stand of wide-angle imaging module
And detection means.
Background technology
In the prior art, the angle of visual field detection method of camera module is general by the way that camera module is arranged on into a graduation apparatus
Before, scale value horizontally and vertically is provided with graduation apparatus, a photo is shot to graduation apparatus with camera module, so
The maximum horizontal scale value at the picture edge photographed afterwards according to the distance between camera module and graduation apparatus and camera module
With maximum perpendicular scale value, converted by antitrigonometric function and obtain the angle of visual field size of the camera module.But, on graduation apparatus only
There is the scale value for neglecting rink corner, be only able to detect the camera module of 80 ° of -85 ° of angles of visual field, it is impossible to for detecting wide-angle imaging module
（More than 100 ° of the angle of visual field）Angle of visual field size.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of angle of visual field detection of wide-angle imaging module
Frame and detection means.The angle of visual field testing stand of the wide-angle imaging module is big dedicated for the angle of visual field for detecting wide-angle imaging module
Small, simple in construction, method is reliable.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of angle of visual field testing stand of wide-angle imaging module, at least including U-bracket, the U-bracket includes cross bar and set
Put the first scale bar and the second scale bar on the two ends of the cross bar and perpendicular with the cross bar, the first scale bar and
Second scale bar is parallel；The midpoint of the cross bar is the set-point of wide-angle imaging module.
Further, the angle of visual field testing stand of the wide-angle imaging module also includes base support.
Further, altitude scale line or angle index line are provided with the first scale bar and the second scale bar.
A kind of visual field angle detecting device of wide-angle imaging module, includes the angle of visual field testing stand of above-mentioned wide-angle imaging module
And terminating machine, the terminating machine passes through the tested wide-angle imaging module of data wire connection.
The utility model has the advantages that：The angle of visual field testing stand of the wide-angle imaging module is by designing a U-shaped
On support, the central point that wide-angle imaging module is placed on to the U-bracket cross bar, the picture that wide-angle imaging module is photographed
The first scale bar at edge and the scale value on the second scale bar and the length of the cross bar are converted into by antitrigonometric function
Corresponding angle of visual field size, dedicated for detecting the angle of visual field size of wide-angle imaging module, simple in construction, method is reliable.
Brief description of the drawings
The schematic diagram of the angle of visual field testing stand for the wide-angle imaging module that Fig. 1 provides for the utility model；
The schematic diagram of the angle of visual field detection method for the wide-angle imaging module that Fig. 2 provides for the utility model
The schematic diagram of the visual field angle detecting device for the wide-angle imaging module that Fig. 3 provides for the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Embodiment one
As illustrated in fig. 1 and 2, a kind of angle of visual field testing stand of wide-angle imaging module, at least including U-bracket 1, the U-shaped branch
Frame 1 includes cross bar 12 and is arranged on the first scale bar 11 and second on the two ends of the cross bar 12 and perpendicular with the cross bar 12
Scale bar 11, the first scale bar 11 and the second scale bar 11 are parallel；The midpoint of the cross bar 12 is wide-angle imaging module 2
Set-point.
Wide-angle imaging module 2 is placed on by the angle of visual field testing stand of the wide-angle imaging module by designing a U-bracket 1
On the central point of the cross bar 12 of U-bracket 1, the He of the first scale bar 11 at the picture edge that wide-angle imaging module 2 is photographed
The length of scale value and the cross bar 12 on second scale bar 11 is converted into the corresponding angle of visual field by antitrigonometric function
Size, dedicated for detecting the angle of visual field size of wide-angle imaging module 2, simple in construction, method is reliable.
Specifically detection method is：On the central point that tested wide-angle imaging module 2 is arranged on to the cross bar 12, by picture
Horizontal direction is alignd the first scale bar 11 and the second scale bar 11, and to the first scale bar 11 and the second scale bar 11
Shooting picture, reads the altitude scale value H on the first scale bar 11 and the first scale bar 11 at picture edge；Assuming that cross bar 12
Length is L, then angle of visual field α=2*arctg of the horizontal direction of the wide-angle imaging module 2（L/2H）；Similarly, by rotating quilt
Wide-angle imaging module 2 is surveyed, makes the vertical direction of picture or the diagonally opposed alignment scale bar 11 of the first scale bar 11 and second,
Detect and convert the angle of visual field size for obtaining vertical direction or direction of focusing.
The angle of visual field testing stand of the wide-angle imaging module 2 also includes base support 13, and the base support 13 can be position
In the bottom of cross bar 12 of U-bracket 1 bottom plate or be with the cross bar 12 is coplanar and a pair of bottom bars perpendicular to cross bar 12,
Either respectively the first scale bar 11 and a pair of triangle robust structures of the bottom of the second scale bar 11 or its
Its conventional understructure.
Altitude scale line, the precision of the altitude scale value are provided with the first scale bar 11 and the second scale bar 11
For 1mm；Or directly angle index value is arranged on the first scale bar 11 and the second scale bar 11, need to be first with anti-three
Angle function calculates the length L of the cross bar 12 from the different height corresponding to the different angles of visual field, then by the angle of visual field
Angle value is labeled in its corresponding height.
Embodiment two
As shown in figure 3, a kind of visual field angle detecting device of wide-angle imaging module, including above-mentioned wide-angle imaging module is regarded
Rink corner testing stand and terminating machine, the terminating machine connect tested wide-angle imaging module 2 by data wire.
The terminating machine of the visual field angle detecting device of the wide-angle imaging module reads wide-angle imaging module 2 by data wire and shot
The picture arrived, the angle of visual field inspection software in terminating machine calculates the corresponding angle of visual field size of scale value in its picture, should
Terminating machine can be PC or angle of visual field detector.If the scale value on the first scale bar 11 and the second scale bar 11 is height
Degree, then can be by the angle of visual field size after default angle of visual field inspection software output conversion in terminating machine；If first scale
Scale value on the scale bar 11 of bar 11 and second is angle, then testing staff can directly read the angle of visual field size in picture.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (4)
1. a kind of angle of visual field testing stand of wide-angle imaging module, it is characterised in that at least including U-bracket, the U-bracket includes
Cross bar and it is arranged on the first scale bar and the second scale bar on the two ends of the cross bar and perpendicular with the cross bar, described first
Scale bar and the second scale bar are parallel；The midpoint of the cross bar is the set-point of wide-angle imaging module.
2. the angle of visual field testing stand of wide-angle imaging module according to claim 1, it is characterised in that the wide-angle imaging module
Angle of visual field testing stand also include base support.
3. the angle of visual field testing stand of wide-angle imaging module according to claim 1, it is characterised in that the first scale bar
With altitude scale line or angle index line are provided with the second scale bar.
4. a kind of visual field angle detecting device of wide-angle imaging module, it is characterised in that including any described in claim 1-3
The angle of visual field testing stand and terminating machine of wide-angle imaging module, the terminating machine connect tested wide-angle imaging mould by data wire
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185661.5U CN206460254U (en) | 2017-02-28 | 2017-02-28 | The angle of visual field testing stand and detection means of a kind of wide-angle imaging module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185661.5U CN206460254U (en) | 2017-02-28 | 2017-02-28 | The angle of visual field testing stand and detection means of a kind of wide-angle imaging module |
Publications (1)
| Publication Number | Publication Date |
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| CN206460254U true CN206460254U (en) | 2017-09-01 |
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| CN201720185661.5U Active CN206460254U (en) | 2017-02-28 | 2017-02-28 | The angle of visual field testing stand and detection means of a kind of wide-angle imaging module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738157A (en) * | 2018-12-11 | 2019-05-10 | 信利光电股份有限公司 | Field angle detection method, device and the readable storage medium storing program for executing of structured light projection device |
| CN116519274A (en) * | 2023-06-25 | 2023-08-01 | 之江实验室 | Lens field angle testing method and testing system |
-
2017
- 2017-02-28 CN CN201720185661.5U patent/CN206460254U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738157A (en) * | 2018-12-11 | 2019-05-10 | 信利光电股份有限公司 | Field angle detection method, device and the readable storage medium storing program for executing of structured light projection device |
| CN116519274A (en) * | 2023-06-25 | 2023-08-01 | 之江实验室 | Lens field angle testing method and testing system |
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