CN106773103A - A kind of zoom lens focal plane position fast determination method - Google Patents
A kind of zoom lens focal plane position fast determination method Download PDFInfo
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- CN106773103A CN106773103A CN201611047388.6A CN201611047388A CN106773103A CN 106773103 A CN106773103 A CN 106773103A CN 201611047388 A CN201611047388 A CN 201611047388A CN 106773103 A CN106773103 A CN 106773103A
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- zoom
- zoom lens
- target source
- imageing sensor
- focal plane
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
Abstract
The present invention proposes a kind of zoom lens focal plane position fast determination method, first has to determine lens focusing direction, and focusing position is placed on into distalmost end, used as debugging starting point；By camera lens zoom to maximum field of view, imageing sensor front and back position is adjusted, target source is shown clearly；After big view field image is clear, then by camera lens zoom to minimum visual field, focusing position is adjusted under small field of view state makes image clearly；Then again by zoom lens zoom to maximum field of view, if each visual field target source shows clear during zoom, the adjustment of imageing sensor front and back position is completed；Said process is otherwise repeated, until each visual field target source shows clear in zoom whole process.The method that the present invention is provided be applied to it is all the need for be adjusted to image planes position the ray machine of VISIBLE LIGHT SYSTEM and infrared system debug, be widely used, it is practical, the quick determination of imaging surface position can be realized, it is ensured that assembling quality, operating efficiency is significantly improved.
Description
Technical field
The present invention relates to ray machine mounting technology field, specially a kind of zoom lens focal plane position fast determination method.
Background technology
In TV ray machine debugs field, when ccd image sensor is debug, often by the sense of ccd image sensor
Smooth surface is adjusted on the focal plane of continuous magnification lens, focal plane position of the continuous magnification lens in design in guarantee zooming procedure
Put constant, but focal plane can move forward and backward with focusing change in location, be imaged with to different distance object.
When only target location, focusing position, ccd sensor position three are adjusted to specific relation, mirror is just can guarantee that
When head is to the image objects of different distance image clearly is always maintained at during zoom.If ccd image sensor position is not right, or
Adjustment ccd image sensor position when focusing position it is not right, will cause camera lens image in zoom cannot be always maintained at clearly,
Actually used mid-focal length needs to install control board synchronous zoom additional when changing and makes image clearly, makes system more complicated and influences
Resolution of lens, or even the far and near object of focal length section having cannot all focus clearly all the time, have a strong impact on using effect.Existing debugging
Method is fairly simple, is all that focusing position constantly moves forward and backward trial, it is necessary to debug repeatedly with ccd image sensor position, consumes
Duration, and differ and surely reach design requirement.
The content of the invention
To solve the problems, such as prior art, the present invention proposes a kind of zoom lens focal plane position quickly side of determination
Method, it is adaptable to which the ray machine of VISIBLE LIGHT SYSTEM and infrared system that image planes position is adjusted to the need for all is debug, and is widely used, it is real
It is strong with property, the quick determination of imaging surface position can be realized, it is ensured that assembling quality, operating efficiency is significantly improved.
The technical scheme is that：
A kind of zoom lens focal plane position fast determination method, it is characterised in that：Comprise the following steps：
Step 1：Assembling zoom lens and imageing sensor, and the zoom lens and imageing sensor after assembling are placed on
Before parallel light tube with target source；
Step 2：Regulation zoom lens and the relative position of parallel light tube, make zoom lens optical axis be put down with parallel light tube optical axis
OK, and to target source it is imaged, is shown imaging over the display by imageing sensor；
Step 3：Determine the focusing direction of zoom lens；Zoom lens is focused to distal end, and target source is imaged；
Step 4：By zoom lens zoom to maximum field of view, if target source shows fuzzy, before and after adjustment imageing sensor
Position, makes target source show clearly；
Step 5：By zoom lens zoom to minimum visual field, if target source shows fuzzy, zoom lens is proximally adjusted
Jiao, makes target source show clearly；
Step 6：By zoom lens zoom to maximum field of view, if each visual field target source shows clear during zoom,
Then imageing sensor front and back position adjustment is completed；Otherwise repeat step 4 and step 5, until each visual field target in zoom whole process
Source shows clear.
Further preferred scheme, a kind of zoom lens focal plane position fast determination method, it is characterised in that：Figure
As sensor includes Visible-light CCD, CMOS, infrared refrigeration and non-refrigeration type imageing sensor.
Further preferred scheme, a kind of zoom lens focal plane position fast determination method, it is characterised in that：Become
Zoom lens include visible ray, infrared, ultraviolet zoom camera lens.
Beneficial effect
The present invention provide zoom lens focal plane position fast determination method be applied to it is all the need for be adjusted to image planes
The VISIBLE LIGHT SYSTEM of position and the ray machine of infrared system are debug, and are widely used, practical, can realize the quick of imaging surface position
It is determined that, it is ensured that assembling quality, operating efficiency is significantly improved.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the apparatus structure schematic diagram used in the embodiment of the present invention；
Fig. 2 is Visible Light Camera structure chart in the embodiment of the present invention；
The cross that Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) show over the display when being different visual fields is as image.
Wherein：1st, with the parallel light tube of cross target source；2nd, adjusting bracket；3rd, zoom lens；4th, ccd image sensor；
5th, display；6th, focusing motor；7th, zoom motor.
Specific embodiment
Embodiments of the invention are described below in detail, the embodiment is exemplary, it is intended to for explaining the present invention, and
It is not considered as limiting the invention.
The equipment that the zoom lens focal plane position fast determination method that the present embodiment is provided wherein is used has：One band ten
The parallel light tube of word target source, adjustment support, a Zoom camera and its a display device.Zoom lens focal plane position
The structural representation of the device that fast determination method is used as shown in figure 1, Zoom lens structure and its to cross target source not
With imaging under focal length as shown in Fig. 2 and Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), zoom lens focal plane position fast determination method tool
Body step is as follows：
1st, prepare a parallel light tube 1 with cross target source first, zoom lens 3 is assembled with ccd image sensor 4
It is placed on afterwards in the adjusting bracket 2 before parallel light tube 1, as shown in Figure 1.
2nd, the relative position of zoom lens 3 and parallel light tube 1 is adjusted by adjusting bracket 2, makes what is fixed in adjusting bracket 2
Zoom lens optical axis is parallel with parallel light tube optical axis and cross target source is imaged, and will be formed by ccd image sensor 4
As display on display 5.
3rd, as shown in Fig. 2 being powered to the focusing motor 6 of zoom lens 3, determine the far and near focusing direction of camera lens, camera lens is adjusted
Burnt position is placed on distalmost end, as debugging starting point, and cross target source is imaged, and now image would generally fog unclear.
4th, as shown in Fig. 2 being powered to the zoom motor 7 of zoom lens 3, make zoom lens zoom to maximum field of view, adjust
The front and back position of ccd image sensor 4, enables the cross target on display 5 clearly to show, shown in such as Fig. 3 (a).
5th, after big view field image is clear, zoom motor 7 is powered, zoom is to minimum visual field, if now cross target picture becomes
It is fuzzy, then focusing motor 6 is powered, adjustment focusing position makes cross image again clear, such as shown in Fig. 3 (c).
6th, again zoom to maximum field of view, if cross imaging in each visual field is clear always during zoom, ccd image is passed
The adjustment of the front and back position of sensor 4 is completed, otherwise repeatedly 4,5 step, until as shown in Fig. 3 (a) and Fig. 3 (c) zoom whole process each regard
Field can be to cross target source blur-free imaging.
The applicable camera lens of the present invention is can be seen that from above-mentioned principle include the various zoom mirrors such as visible ray, infrared, ultraviolet
Head, imageing sensor includes Visible-light CCD, CMOS, infrared refrigeration and the various imageing sensors of non-refrigeration type, and CCD mono- is not referred to singly
Plant imageing sensor.
The zoom lens focal plane position fast determination method that the present invention is provided, it is adaptable to image planes are adjusted to the need for all
The VISIBLE LIGHT SYSTEM of position and the ray machine of infrared system are debug, and are widely used, practical, can realize the quick of imaging surface position
It is determined that, it is ensured that assembling quality, operating efficiency is significantly improved.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from principle of the invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (3)
1. a kind of zoom lens focal plane position fast determination method, it is characterised in that：Comprise the following steps：
Step 1：Assembling zoom lens and imageing sensor, and the zoom lens and imageing sensor after assembling are placed on band mesh
Before the parallel light tube in mark source；
Step 2：Regulation zoom lens and the relative position of parallel light tube, make zoom lens optical axis parallel with parallel light tube optical axis,
And target source is imaged, imaging is shown over the display by imageing sensor；
Step 3：Determine the focusing direction of zoom lens；Zoom lens is focused to distal end, and target source is imaged；
Step 4：By zoom lens zoom to maximum field of view, if target source shows fuzzy, imageing sensor front and back position is adjusted,
Target source is set to show clearly；
Step 5：By zoom lens zoom to minimum visual field, if target source shows fuzzy, zoom lens is proximally focused, made
Target source shows clearly；
Step 6：By zoom lens zoom to maximum field of view, if each visual field target source shows clear during zoom, scheme
As the adjustment of sensor front and back position is completed；Otherwise repeat step 4 and step 5, until each visual field target source shows in zoom whole process
Show clear.
2. a kind of zoom lens focal plane position fast determination method according to claim 1, it is characterised in that：Image sensing
Device includes Visible-light CCD, CMOS, infrared refrigeration and non-refrigeration type imageing sensor.
3. a kind of zoom lens focal plane position fast determination method according to claim 1, it is characterised in that：Zoom lens
Including visible ray, infrared, ultraviolet zoom camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611047388.6A CN106773103B (en) | 2016-11-25 | 2016-11-25 | A kind of zoom lens focal plane position fast determination method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611047388.6A CN106773103B (en) | 2016-11-25 | 2016-11-25 | A kind of zoom lens focal plane position fast determination method |
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| CN106773103A true CN106773103A (en) | 2017-05-31 |
| CN106773103B CN106773103B (en) | 2019-06-21 |
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| CN201611047388.6A Active CN106773103B (en) | 2016-11-25 | 2016-11-25 | A kind of zoom lens focal plane position fast determination method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707822A (en) * | 2017-09-30 | 2018-02-16 | 苏州凌创电子系统有限公司 | A kind of online camera module active focusing mechanism and method |
| CN108200424A (en) * | 2017-11-17 | 2018-06-22 | 天津津航技术物理研究所 | A kind of adjustment method and system for multiple TDICCD detectors optical axis centerings |
| CN110763343A (en) * | 2019-10-30 | 2020-02-07 | 济南和普威视光电技术有限公司 | Refrigeration thermal imager |
| CN115150540A (en) * | 2021-03-30 | 2022-10-04 | 华为技术有限公司 | Photographing method, terminal device, and computer-readable storage medium |
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| CN102445329A (en) * | 2011-09-29 | 2012-05-09 | 中国航空工业集团公司洛阳电光设备研究所 | Rapid determining method for optical axis of continuous zoom lens |
| CN104316293A (en) * | 2014-10-17 | 2015-01-28 | 西安应用光学研究所 | Device and method for determining parallelism of continuous zooming television optical axis |
| CN106125246A (en) * | 2016-07-19 | 2016-11-16 | 湖北三江航天红峰控制有限公司 | A kind of from the method seeking laser focal plane |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102445329A (en) * | 2011-09-29 | 2012-05-09 | 中国航空工业集团公司洛阳电光设备研究所 | Rapid determining method for optical axis of continuous zoom lens |
| CN104316293A (en) * | 2014-10-17 | 2015-01-28 | 西安应用光学研究所 | Device and method for determining parallelism of continuous zooming television optical axis |
| CN106125246A (en) * | 2016-07-19 | 2016-11-16 | 湖北三江航天红峰控制有限公司 | A kind of from the method seeking laser focal plane |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707822A (en) * | 2017-09-30 | 2018-02-16 | 苏州凌创电子系统有限公司 | A kind of online camera module active focusing mechanism and method |
| CN107707822B (en) * | 2017-09-30 | 2024-03-05 | 苏州凌创电子系统有限公司 | Online camera module active focusing equipment and method |
| CN108200424A (en) * | 2017-11-17 | 2018-06-22 | 天津津航技术物理研究所 | A kind of adjustment method and system for multiple TDICCD detectors optical axis centerings |
| CN110763343A (en) * | 2019-10-30 | 2020-02-07 | 济南和普威视光电技术有限公司 | Refrigeration thermal imager |
| CN115150540A (en) * | 2021-03-30 | 2022-10-04 | 华为技术有限公司 | Photographing method, terminal device, and computer-readable storage medium |
| CN115150540B (en) * | 2021-03-30 | 2023-10-24 | 华为技术有限公司 | Shooting method, terminal device and computer readable storage medium |
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| CN106773103B (en) | 2019-06-21 |
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