CN205580708U - Detection apparatus for be used for burnt drift volume behind camera lens - Google Patents
Detection apparatus for be used for burnt drift volume behind camera lens Download PDFInfo
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- CN205580708U CN205580708U CN201620323402.XU CN201620323402U CN205580708U CN 205580708 U CN205580708 U CN 205580708U CN 201620323402 U CN201620323402 U CN 201620323402U CN 205580708 U CN205580708 U CN 205580708U
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- detection device
- drift value
- camera lens
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Abstract
The utility model provides a detection apparatus for be used for burnt drift volume behind camera lens, includes the plummer, the fixed plate of preventing static that is provided with the fixed bolster on the plummer and meets with the fixed bolster, the below of fixed plate is provided with spiral fine setting platform, treats that the first base setting of inspection mirror on spiral fine setting platform, is provided with and treats the corresponding light sensing device CMOS bottom plate of the first base of inspection mirror on the fixed plate. Treat that the first base of inspection mirror passes through camera lens base frock and sets up on spiral fine setting platform. Be provided with the lens holder picture peg on the spiral fine setting platform, treat that the first base of inspection mirror passes through camera lens base frock and sets up on the lens holder picture peg. Be provided with the more than one slot on the lens holder picture peg, camera lens base frock cartridge is in the slot. Spiral fine setting platform meets and controlled by it with rotatory screw rod. Rotatory screw rod meets with micrometer caliper. The utility model has the characteristics of flexible operation, clear directly perceived.
Description
Technical field
This utility model relates to a kind of detection device for rear lens focus drift value.
Background technology
Metal material, plastic material and glass lens have the thermal coefficient of expansion of himself, in different temperatures
Lower can produce different strokes；From the point of view of Imaging for Monitoring camera lens, these strokes both can change eyeglass
Between air clearance, also eyeglass face type and focal length can be produced impact, thus cause camera lens analytic fuzzy,
The image quality of imaging declines.In order to ensure the solution that Imaging for Monitoring camera lens has the most still had
Analysis of products matter is it is necessary to accurately calculate each eyeglass and the stroke of each component, when carrying out lens design, logical
Frequently with these flexible rear burnt drifts caused of the mode Compensation Design made up.For glass lens with each
For component, it is possible to use linear expansion coefficient directly calculates stroke.
But, owing to the eyeglass of plastic cement material has aspheric surface, when high and low temperature, aspheric type is also
Respective change can occur, and this part cannot accurately be estimated, burnt drift value after the most just cannot accurately calculating,
So burnt drift is measured after needing the camera lens developed carries out high/low temperature, tired for follow-up exploitation or production
Long-pending research and development data；On the other hand, when carrying out camera lens evaluation and test, it is also desirable to burnt drift data pair after accurately
Its high temperature performance is evaluated.
Chinese patent literature CN 203364976 U discloses a kind of infrared on the 25th in December in 2013
Line temperature measurer, including housing, described enclosure interior includes waveguide optical screw thread, optical focus camera lens, biography
Sensor, steady temperature copper stand and circuit board, described waveguide optical screw thread, optical focus camera lens, sensor,
Steady temperature copper stand and circuit board are sequentially connected with；Described waveguide optical threaded exterior is provided with two corresponding putting down
Row face and interior forward end are provided with female thread, are used for eliminating clutter and waveguiding action, and rear end is used for placing described
Optical focus camera lens；Described optical focus camera lens uses pyramidal structure；Described steady temperature copper stand interior forward end
For placing described sensor, rear end is used for placing sensor leg.
Utility model content
The purpose of this utility model aims to provide a kind of flexible operation, clear and intuitive floating for rear lens focus
The detection device of shifting amount, to overcome weak point of the prior art.
A kind of detection device for rear lens focus drift value designed by this purpose, including plummer, its
Architectural feature is to be provided with fixed support and the antistatic connected with fixed support on described plummer
Fixed plate, the lower section of described fixed plate is provided with spiral fine adjustment stage, and lens base to be detected is arranged on spiral shell
In rotation fine adjustment stage, fixed plate is provided with the sensor devices CMOS corresponding with lens base to be detected
Base plate.
Further, described lens base to be detected is arranged on spiral fine adjustment stage by lens base frock
On.
Further, described spiral fine adjustment stage being provided with lens bracket plate, lens base to be detected leads to
Cross lens base frock to be arranged on lens bracket plate.
Further, described lens bracket plate being provided with more than one slot, lens base frock is inserted
It is contained in slot.
Further, described spiral fine adjustment stage connects with rotary screw and is controlled.
Further, described rotary screw connects with micrometer caliper.
Further, the side of described plummer is additionally provided with parsing test chart board, lens base to be detected
One end is towards resolving test chart board, and the other end of lens base to be detected is towards sensor devices CMOS base plate.
Further, the described detection device for rear lens focus drift value, also include manipulation keyboard and electricity
Control drives display screen, and wherein, manipulation keyboard is by automatically controlled driving display screen, motor and rotary screw
Connect.
Further, described plummer and parsing test chart board are arranged in high/low temperature experimental box, resolve test
Chart board is attached on the inwall of high/low temperature experimental box, and sensor devices CMOS base plate passes through data-interface and position
Computer outside high/low temperature experimental box is connected；Described manipulation keyboard and automatically controlled driving display screen are arranged on
Outside high/low temperature experimental box, manipulation keyboard and automatically controlled driving display screen are by heat insulation wire and motor phase
Connect.
The method of testing of a kind of detection device for rear lens focus drift value, its feature includes following step
Rapid:
Step one, is arranged on camera lens to be measured on lens base to be detected, by plummer and parsing test figure
Plate is placed in high/low temperature experimental box, sensor devices CMOS base plate is passed through data-interface and is positioned at height
Computer outside temperature experimental box is connected, and parsing test chart board is attached to the inwall of high/low temperature experimental box
On；
Step 2, manually or motorized adjustment rotary screw drive spiral fine adjustment stage move forward and backward, in
It is that camera lens to be measured carries out movable relative to sensor devices CMOS base plate and until resolves test chart board
Imaging clearly, records the first time data on micrometer caliper now or automatically controlled driving display screen；
Step 3, closes the chamber door of high/low temperature experimental box, high/low temperature experimental box is warming up to 58～65 Celsius
Spend and be incubated 0.5～1 hour；
By the computer being positioned at outside high/low temperature experimental box, step 4, after insulation terminates, checks that parsing is surveyed
Attempt the imaging situation of plate；
Now, adjustable screw is stretched out one's hand into by the action pane of high/low temperature experimental box after tester wears glove
Mircrometer gauge finally drives camera lens to be measured carry out movable relative to sensor devices CMOS base plate and until solve
Analysis test chart board imaging is again clear, the second time data of record micrometer caliper,
Or tester controls motor by manipulation keyboard and drives camera lens to be measured relative to sensor devices
CMOS base plate carries out movable and until parsing test chart board imaging again clearly, records automatically controlled driving
Second time data on display screen,
The first time data of record at a temperature of twice are compared by step 5 with data for the second time, must
To rear burnt variable quantity.
Be provided with on plummer in this utility model fixed support and connect with fixed support anti-quiet
The fixed plate of electricity, the lower section of described fixed plate is provided with spiral fine adjustment stage, and lens base to be detected is arranged
In spiral fine adjustment stage, fixed plate is provided with the sensor devices corresponding with lens base to be detected
CMOS base plate；By the relative position of adjustable screw fine adjustment stage, it is possible to regulate camera lens to be measured and sense
Distance between optical device CMOS base plate；Then the rear burnt variable quantity of camera lens to be measured can be obtained, whole
Measurement jig overall dimensions is little, precision is high, and regulation process is clear and intuitive.
Spiral fine adjustment stage in this utility model connects with rotary screw and is controlled, or, also wrap
Including manipulation keyboard and automatically controlled driving display screen, wherein, manipulation keyboard is by automatically controlled driving display screen, stepping
Motor connects with rotary screw, and then, this utility model provides manual and automatically controlled two kinds of structures, manually
Structure can use micrometer caliper to carry out reading, and electric control structure can use electronic display to read
Number, to meet the different demands of client.At the bottom of camera lens to be measured in this utility model and sensor devices CMOS
Plate separates, and by automatically controlled or manually make camera lens entirety to be measured move forward and backward, until resolving clear, then reads
Stepper motor drives step number or the rotation amount of micrometer caliper, i.e. available rear burnt variable quantity, integrated testability
Tool size is little, and precision is high, and method of testing is easy to be directly perceived.
In sum, this utility model uses manual or automatically controlled two kinds of structures, the letter of whole measurement jig structure
Bright, dimension volume is little, precision is high, after can measuring fast and accurately, burnt drift value, solves research and development number
According to collecting and camera lens evaluation and test needs；There is flexible operation, clear and intuitive feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model first embodiment.
Fig. 2 is the structural representation of this utility model the second embodiment.
Fig. 3 is structural representation during this utility model use.
In figure: 1 is fixed plate, 2 is sensor devices CMOS base plate, and 3 is lens base frock, and 4 are
Lens base to be detected, 5 is fixed support, and 6 is lens bracket plate, and 7 is spiral fine adjustment stage, 8
For plummer, 9 is rotary screw, and 10 is manipulation keyboard, and 11 is automatically controlled driving display screen, and 12 for solving
Analysis test chart board, 14 is motor.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
First embodiment
Seeing Fig. 1 and Fig. 3, this is for the detection device of rear lens focus drift value, including plummer 8,
Fixed support 5 and the fixed plate of antistatic connected with fixed support 5 it is provided with on described plummer 8
1, the lower section of described fixed plate 1 is provided with spiral fine adjustment stage 7, and lens base 4 to be detected is arranged on
In spiral fine adjustment stage 7, fixed plate 1 is provided with the photoreceptors corresponding with lens base 4 to be detected
Part CMOS base plate 2.
Described lens base to be detected 4 is arranged in spiral fine adjustment stage 7 by lens base frock 3.
Being provided with lens bracket plate 6 in described spiral fine adjustment stage 7, lens base 4 to be detected passes through
Lens base frock 3 is arranged on lens bracket plate 6.
Being provided with more than one slot 6.1 on described lens bracket plate 6, lens base frock 3 is inserted
It is contained in slot 6.1.
Described spiral fine adjustment stage 7 connects with rotary screw 9 and is controlled.
Described rotary screw 9 connects with micrometer caliper.
The side of described plummer 8 is additionally provided with parsing test chart board 12, the one of lens base 4 to be detected
Holding towards resolving test chart board 12, the other end of lens base 4 to be detected is towards at the bottom of sensor devices CMOS
Plate 2.
Second embodiment
See Fig. 2-Fig. 3, in the present embodiment, the described detection device for rear lens focus drift value,
Also including manipulation keyboard 10 and automatically controlled driving display screen 11, wherein, manipulation keyboard 10 is driven by automatically controlled
Dynamic display screen 11, motor 14 connect with rotary screw 9.
Described plummer 8 and parsing test chart board 12 are arranged in high/low temperature experimental box, resolve test figure
Plate 12 is attached on the inwall of high/low temperature experimental box, sensor devices CMOS base plate 2 by data-interface with
The computer being positioned at outside high/low temperature experimental box is connected.
In the present embodiment, described manipulation keyboard 10 and automatically controlled driving display screen 11 are arranged on high/low temperature in fact
Outside tryoff, manipulation keyboard 10 and automatically controlled driving display screen 11 are by heat insulation wire and motor 14 phase
Connect.
Remaining not described part is shown in first embodiment, repeats no more.
During concrete operations, see Fig. 1-Fig. 3, above-mentioned measurement jig and parsing test chart board 12 are put
Entering in high/low temperature experimental box, sensor devices CMOS base plate 2 connects computer by outside data-interface, permissible
Parsing is tested chart board 12 by lens imaging on external computer screen curtain, for tester's sight
Examine imaging parsing the most clear.Under normal circumstances, resolve test chart board 12 and be attached to high/low temperature experimental box
Inwall on, camera lens to be measured and sensor devices CMOS base plate 2 be separate, relative motion can be carried out.
At this point it is possible to manipulation keyboard 10 and automatically controlled driving display screen 11 are arranged on outside high/low temperature experimental box,
Manipulation keyboard 10 and automatically controlled driving display screen 11 are connected with motor 14 by heat insulation wire.When inciting somebody to action
When manipulation keyboard 10 and automatically controlled driving display screen 11 are arranged on outside high/low temperature experimental box, tester can be led to
Receive and distribute and operate outside high/low temperature experimental box by the keypad on manipulation keyboard 10, have tool below
The body practice.
Micrometer caliper and spiral fine adjustment stage connect, and just can be driven spiral by adjustable screw mircrometer gauge
Fine adjustment stage and camera lens to be measured move forward and backward, thus produce camera lens to be measured and sensor devices CMOS base plate 2
Between relative to displacement, i.e. change rear Jiao of camera lens to be measured and reach mesh ground of focusing.
During room temperature, first adjustable screw mircrometer gauge or driving stepper motor, make camera lens to be measured relative to sensor devices
CMOS base plate 2 moves forward and backward, until resolving test chart board 12 imaging clearly, records now spiral
Data on mircrometer gauge or automatically controlled display screen.
Then, close the chamber door of high/low temperature experimental box, high/low temperature experimental box be warming up to about 60 degree,
After being incubated half an hour, resolved the imaging situation of test chart board 12 by computer display viewing.Now,
Tester both can wear glove and remove adjustable screw mircrometer gauge by the action pane in high/low temperature experimental box, directly
Again clear to resolving test chart board 12 imaging, now, the reading of record micrometer caliper；Tester
The keypad on manipulation keyboard 10 can also be pressed by hands, drive stepper motor 14 drive camera lens to be measured,
Lens base frock, lens bracket plate 6 etc. are mobile, until focusing is again clear, record data, will
Data at a temperature of twice do difference, i.e. available rear burnt variable quantity.
It is exactly briefly that lens base 4 to be detected is placed on sensor devices COMS base plate 2, logical
Cross rotary screw 9 to debug spiral fine adjustment stage 7 and touch sensor devices COMS by parallel for lens base frock 3
The definition resolving test chart board 12 imaging, to flat, is then debugged to clearly by base plate 2 by camera lens to be measured
Clear, finally make zero on rotary screw 9.According to the empty burnt demand of test, can be adjusted by rotary screw 9
Examination spiral fine adjustment stage 7 drift about lens base to be detected 4 and sensor devices COMS base plate 2 distance with
Reach to test empty burnt effect.
Concrete, for the method for testing of the detection device of rear lens focus drift value, comprise the following steps:
Step one, is arranged on camera lens to be measured on lens base 4 to be detected, plummer 8 and parsing is surveyed
Attempt plate 12 to be placed in high/low temperature experimental box, by sensor devices CMOS base plate 2 by data-interface with
The computer being positioned at outside high/low temperature experimental box is connected, and parsing test chart board 12 is attached to high/low temperature real
On the inwall of tryoff；
Step 2, manually or motorized adjustment rotary screw 9 drives spiral fine adjustment stage 7 to move forward and backward,
Then, camera lens to be measured carries out movable relative to sensor devices CMOS base plate 2 and until resolves test
Chart board 12 imaging clearly, records the first time on micrometer caliper now or automatically controlled driving display screen 11
Data；
Step 3, closes the chamber door of high/low temperature experimental box, high/low temperature experimental box is warming up to 58～65 Celsius
Spend and be incubated 0.5～1 hour；
By the computer being positioned at outside high/low temperature experimental box, step 4, after insulation terminates, checks that parsing is surveyed
Attempt the imaging situation of plate 12；
Now, adjustable screw is stretched out one's hand into by the action pane of high/low temperature experimental box after tester wears glove
Mircrometer gauge finally drive camera lens to be measured relative to sensor devices CMOS base plate 2 carry out movable and until
Resolve test chart board 12 imaging again clear, the second time data of record micrometer caliper,
Or tester controls motor by manipulation keyboard 10 and drives camera lens to be measured relative to photoreceptors
Part CMOS base plate 2 carries out movable also until resolving test chart board 12 imaging again clearly, and record is electric
Control drives the second time data on display screen 11,
The first time data of record at a temperature of twice are compared by step 5 with data for the second time, must
To rear burnt variable quantity.
Of the present utility model ultimate principle and principal character and of the present utility model have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, on
State and principle of the present utility model is simply described, new without departing from this practicality described in embodiment and description
On the premise of type spirit and scope, this utility model also has various changes and modifications, and these change and change
Enter in the range of both falling within claimed this utility model.This utility model claims scope by appended
Claims and equivalent thereof define.
Claims (9)
1., for a detection device for rear lens focus drift value, including plummer (8), it is characterized in that
Fixed support (5) and the antistatic connected with fixed support (5) it is provided with on described plummer (8)
Fixed plate (1), the lower section of described fixed plate (1) is provided with spiral fine adjustment stage (7), mirror to be detected
Head base (4) is arranged in spiral fine adjustment stage (7), and fixed plate (1) is provided with and mirror to be detected
Sensor devices CMOS base plate (2) that head base (4) is corresponding.
Detection device for rear lens focus drift value the most according to claim 1, is characterized in that
Described lens base to be detected (4) is arranged on spiral fine adjustment stage (7) by lens base frock (3)
On.
Detection device for rear lens focus drift value the most according to claim 2, is characterized in that
Lens bracket plate (6), lens base to be detected (4) it is provided with on described spiral fine adjustment stage (7)
It is arranged on lens bracket plate (6) by lens base frock (3).
Detection device for rear lens focus drift value the most according to claim 3, is characterized in that
More than one slot (6.1), lens base frock (3) it is provided with on described lens bracket plate (6)
It is inserted in slot (6.1).
Detection device for rear lens focus drift value the most according to claim 3, is characterized in that
Described spiral fine adjustment stage (7) connects with rotary screw (9) and is controlled.
Detection device for rear lens focus drift value the most according to claim 5, is characterized in that
Described rotary screw (9) connects with micrometer caliper.
7. according to the arbitrary described detection device for rear lens focus drift value of claim 1 to 5,
It is characterized in that the side of described plummer (8) is additionally provided with parsing test chart board (12), camera lens to be detected
One end of base (4) is towards resolving test chart board (12), the other end court of lens base to be detected (4)
To sensor devices CMOS base plate (2).
Detection device for rear lens focus drift value the most according to claim 7, is characterized in that
Also including manipulation keyboard (10) and automatically controlled driving display screen (11), wherein, manipulation keyboard (10) passes through
Automatically controlled driving display screen (11), motor (14) connect with rotary screw (9).
Detection device for rear lens focus drift value the most according to claim 8, is characterized in that
Described plummer (8) and parsing test chart board (12) are arranged in high/low temperature experimental box, resolve test figure
Plate (12) is attached on the inwall of high/low temperature experimental box, and sensor devices CMOS base plate (2) passes through data
Interface is connected with the computer being positioned at outside high/low temperature experimental box；Described manipulation keyboard (10) and automatically controlled drive
Dynamic display screen (11) is arranged on outside high/low temperature experimental box, manipulation keyboard (10) and automatically controlled driving display screen
(11) connected with motor (14) by heat insulation wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323402.XU CN205580708U (en) | 2016-04-15 | 2016-04-15 | Detection apparatus for be used for burnt drift volume behind camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323402.XU CN205580708U (en) | 2016-04-15 | 2016-04-15 | Detection apparatus for be used for burnt drift volume behind camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580708U true CN205580708U (en) | 2016-09-14 |
Family
ID=56862980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620323402.XU Withdrawn - After Issue CN205580708U (en) | 2016-04-15 | 2016-04-15 | Detection apparatus for be used for burnt drift volume behind camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205580708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928687A (en) * | 2016-04-15 | 2016-09-07 | 舜宇光学(中山)有限公司 | Testing tool and method suitable for BFL (Back Focal Length) drift distance of lens |
| CN106908153A (en) * | 2017-01-16 | 2017-06-30 | 中国计量大学 | A kind of method of surface of revolution infrared measurement of temperature amendment |
-
2016
- 2016-04-15 CN CN201620323402.XU patent/CN205580708U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928687A (en) * | 2016-04-15 | 2016-09-07 | 舜宇光学(中山)有限公司 | Testing tool and method suitable for BFL (Back Focal Length) drift distance of lens |
| CN105928687B (en) * | 2016-04-15 | 2019-03-29 | 舜宇光学(中山)有限公司 | A kind of test fixture and test method suitable for rear lens focus drift value |
| CN106908153A (en) * | 2017-01-16 | 2017-06-30 | 中国计量大学 | A kind of method of surface of revolution infrared measurement of temperature amendment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20190329 |
|
| AV01 | Patent right actively abandoned |