CN107271144B - A kind of the focusing test equipment and its focusing test method of camera - Google Patents
A kind of the focusing test equipment and its focusing test method of camera Download PDFInfo
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- CN107271144B CN107271144B CN201710343096.5A CN201710343096A CN107271144B CN 107271144 B CN107271144 B CN 107271144B CN 201710343096 A CN201710343096 A CN 201710343096A CN 107271144 B CN107271144 B CN 107271144B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
The present invention relates to terminal test fields, disclose the focusing test equipment and its focusing test method of a kind of camera.In the present invention, the focusing test equipment of camera, comprising: camera jig, the test fully sheathed case comprising light source, the display screen for playing test image and control equipment；The side wall for testing fully sheathed case is equipped with through-hole, and camera jig is set to below through-hole, and camera jig is used to camera to be measured being fixed on through-hole；Control equipment is separately connected light source, display screen and camera to be measured；Display screen is set in test fully sheathed case, opposite with through-hole, for the signal according to control equipment, plays test image；Light source changes display parameters for the signal according to control equipment；Equipment is controlled, for when camera to be measured successfully focuses to test image, obtaining Focusing parameter according to Test Strategy.So that accelerating the test process of camera, manpower is saved, increases accuracy.
Description
Technical field
The present invention relates to terminal test field, in particular to the focusing test equipment of a kind of camera and its focusing test side
Method.
Background technique
In today that intelligent terminal is popularized, no matter men and women, old and young, be owned by the intelligent terminal of oneself substantially, intelligent terminal tool
The numerous functions having also provide more conveniences for life.The camera of smart phone as indispensable multimedia accessory, almost by
All intelligent terminals are equipped with.
It was found by the inventors of the present invention that manual operation and judgement are generally used in the test phase of camera, and due to taking the photograph
As the particularity of head, focusing test is needed compared with multi-step, and parameter differences therein often only have several milliseconds, is only surveyed by manpower
Examination, not only test process is complicated, but also result is not accurate enough.
Summary of the invention
The focusing test equipment and its focusing test method for being designed to provide a kind of camera of embodiment of the present invention,
So that accelerating the test process of camera, manpower is saved, increases accuracy.
In order to solve the above technical problems, embodiments of the present invention provide a kind of focusing test equipment of camera, packet
It includes: camera jig, the test fully sheathed case comprising light source, the display screen for playing test image and control equipment；The survey
The side wall for trying fully sheathed case is equipped with through-hole, and the camera jig is set to below the through-hole, and camera jig is for will be to
Camera is surveyed to be fixed on the through-hole；The control equipment is separately connected the light source, the display screen and described to be measured takes the photograph
As head；The display screen is set in the test fully sheathed case, opposite with the through-hole, for according to the control equipment
Signal plays test image；The light source changes display parameters for the signal according to the control equipment；The control is set
It is standby, for when the camera to be measured successfully focuses to the test image, obtaining Focusing parameter according to Test Strategy；Its
In, the Test Strategy includes the display parameters of played test image and/or the light source.
Embodiments of the present invention additionally provide a kind of focusing test method of camera, set applied to a kind of focusing test
Standby, the focusing test equipment includes: camera jig, the test fully sheathed case comprising light source, display screen and control equipment；It is described
The side wall for testing fully sheathed case is equipped with through-hole, and camera jig is used to camera to be measured being fixed on the through-hole；The control
Control equipment is separately connected the light source, the display screen and the camera to be measured；The display screen is set to the test envelope
It is opposite with the through-hole in closed box；The focusing test method of the camera includes: that the display screen plays test image；Institute
Camera to be measured is stated to focus to the test image；According to preset Test Strategy, the control equipment obtains described to be measured take the photograph
As the Focusing parameter of head；Wherein, the Test Strategy includes the display parameters of played test image and/or the light source；
Summarize acquired Focusing parameter as test result.
In terms of existing technologies, the main distinction and its effect are embodiment of the present invention: providing one kind and be used for
The special equipment of camera focusing test, using the test fully sheathed case containing light source, not only simulated environment light, moreover it is possible to avoid other light
The bright influence to camera focusing realizes test camera to different objects using the display screen of playable test image
Focusing, it is whole that hardware is configured according to Test Strategy, to make to control the survey of equipment acquisition camera during the test
Try parameter.As it can be seen that embodiment of the present invention realizes the automatic test to camera focusing, test speed is fast, reduces manpower, and big
It is big to improve measuring accuracy.
As a further improvement, further include: for adjusting the adjusting machine of the display screen and the camera distance to be measured
Structure；The regulating mechanism is separately connected the display screen and the control equipment.Using regulating mechanism automatic adjustment display screen and
The distance between camera meets the degree of automation that test is practical, and further promotion is tested.
As a further improvement, the control equipment includes: processing chip and human-computer interaction mould group；The processing chip point
The human-computer interaction mould group, the light source, the display screen and the camera to be measured are not connected.Limit focusing test equipment
It controls in equipment comprising processing chip and human-computer interaction mould group, it can control in order to user to test equipment.
As a further improvement, further include: loudspeaker and audio receiver；The audio receiver is set to the relatively described loudspeaker
Position at pronunciation；The loudspeaker are connected with the control equipment respectively with the audio receiver.Utilize loudspeaker and sound
The combination of frequency receiver is realized to the monitoring of focusing prompt tone, has determined camera to be measured by collected focusing prompt tone
Success is focused.
As a further improvement, the quantity of the light source is greater than 1.Different shooting fields can be simulated using multiple light sources
It is practical more to meet test for scape.
Detailed description of the invention
Fig. 1 is the focusing test equipment structural schematic diagram of the camera in first embodiment according to the present invention；
Fig. 2 is the focusing test equipment structural schematic diagram of the camera in second embodiment according to the present invention；
Fig. 3 a is the focusing test equipment structural blast schematic diagram of the camera in second embodiment according to the present invention；
Fig. 3 b is the focusing test equipment appearance diagram of the camera in second embodiment according to the present invention；
Fig. 4 is the focusing test method flow chart of the camera in the 4th embodiment according to the present invention；
Fig. 5 is the focusing test method flow chart of the camera in the 5th embodiment according to the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of focusing test equipments of camera.The camera can be mobile whole
Camera module on end, the structure for test equipment of focusing is as shown in Figure 1, specific as follows:
Focusing test equipment in present embodiment includes: camera jig 1, the survey comprising light source 2 (such as: LED lamp bead)
Try fully sheathed case 3, the display screen 4 for playing test image and control equipment 5.Wherein, the side wall for testing fully sheathed case, which is equipped with, to be led to
Hole 6, camera jig are used to camera 7 to be measured being fixed on through-hole, and jig can be also used for lighting to be measured in practical application
Camera.Specifically, to guarantee that seal box is as opaque as possible, the test result of camera to be measured is interference-free, can incite somebody to action
Camera is partly or entirely embedded in through-hole, if camera diameter is less than through-hole diameter, moreover it is possible to increase between camera and through-hole wall
Packing (is not shown) on figure, so that camera to be measured is after being fixed, through-hole is nearly opaque.
Meanwhile controlling equipment and being separately connected light source, display screen and camera to be measured, specifically, utilization is led between each device
Line 8 connects；Display screen is set in test fully sheathed case, opposite with through-hole, for the signal according to control equipment, plays test
Image；Light source, for providing ambient light according to display parameters；Equipment is controlled, is used for according to Test Strategy, in camera to be measured
When successfully focusing to test image, Focusing parameter is obtained；Wherein, Test Strategy includes played test image and/or display
Parameter.
During actual test, after starting test, start camera to be measured, is played by display screen according to Test Strategy
Test image, camera to be measured start to focus, and light source provides ambient light, according to preset display parameters during the focusing process
When determining camera focusing success, the Focusing parameter of camera to be measured is obtained as test result.Wherein, Focusing parameter can wrap
Include: the various state parameters of focusing time-consuming or camera to be measured will not enumerate herein.
Specifically, the display parameters of light source not only include luminance parameter, can also be including color temperature parameters etc., with satisfaction pair
Changeable environment is simulated in practical application.In addition, test image can have it is multiple, simulate practical application in, subject can
The different shape that can occur.
In terms of existing technologies, the main distinction and its effect are present embodiment: providing a kind of for imaging
The special equipment of head focusing test, using the test fully sheathed case containing light source, not only simulated environment light, moreover it is possible to avoid other lights right
The influence of camera focusing realizes focusing of the test camera to different objects using the display screen of playable test image,
It is whole that hardware is configured according to Test Strategy, to make to control the test ginseng of equipment acquisition camera during the test
Number.In addition, automatic testing equipment can quickly test multi-group data in short-term, testing efficiency is not only promoted, moreover it is possible to promote test
Precision.As it can be seen that present embodiment realizes the automatic test to camera focusing, test speed is fast, reduces manpower, and significantly
Improve measuring accuracy.
Second embodiment of the present invention is related to a kind of focusing test equipment of camera.Second embodiment is first
The improvement done on the basis of embodiment, mainly thes improvement is that: newly-increased regulating mechanism realizes display screen and camera to be measured
Between distance it is adjustable.
Specifically, the focusing test equipment schematic diagram in present embodiment is as shown in Figure 2, further includes: aobvious for adjusting
The regulating mechanism 9 of display screen and camera distance to be measured；Regulating mechanism is separately connected display screen and control equipment.This explanation, this reality
The focusing test that camera to be measured may be implemented to the object (display screen) of different distance in the focusing test equipment in mode is applied,
Abundant means of testing.Specifically, regulating mechanism can be by transmission shaft and motor form.
It further says, the control equipment in present embodiment includes: processing chip 51 and human-computer interaction mould group 52；Processing
Chip is separately connected human-computer interaction mould group, light source, display screen and camera to be measured.Specifically, human-computer interaction mould group can be
Touch screen, user issues control instruction to processing chip according to touch screen, to control light source, display screen and camera to be measured etc.
Device.
It should also be noted that, the focusing test equipment in present embodiment, as shown in Figure 3a and Figure 3b shows, further includes: loudspeaker
10 and audio receiver 11；Audio receiver is set to the position at the pronunciation of opposite loudspeaker；Loudspeaker and audio receiver point
It is not connected with control equipment.Loudspeaker can be used to play prompt tone when camera focusing success, and corresponding, audio receiver can
To be used to receive the focusing prompt tone of loudspeaker broadcasting, realizes to the monitoring of focusing prompt tone, pass through collected focusing prompt tone
Determine that camera to be measured is successfully focused.More specifically, loudspeaker and audio receiver can be all disposed in fully sheathed case, this
Sample will not be by environment acoustic jamming when audio receiver (such as audio-frequency test instrument) receives audio signal.
In addition, can also add test image display screen in present embodiment, test image display screen can be taken the photograph with to be measured
As head connection, it is displayed for content captured by camera to be measured, can be used for display Test Strategy.
In actual use, working principle is as follows for focusing test equipment in present embodiment: camera is placed in jig
Then position turns on the switch, start each device including camera to be measured；Processor can match according to the test item of setting
Corresponding test picture and lighting atmosphere are set, display screen shows test pictures, starts after camera detection to initial testing picture
Auto-focusing, loudspeaker can issue the prompt tone that focusing is completed after the completion of focusing, and audio-frequency test instrument responds prompt tone, pass through
IC processor corresponding with audio-frequency test instrument is crossed to count 1 time automatically and record this focusing time；Data are stored in inside IC
It is exported as a test result.
As it can be seen that the focusing test equipment of the camera in present embodiment can use regulating mechanism automatic adjustment display screen
The distance between camera meets the degree of automation that test is practical, and further promotion is tested.In addition, utilizing human-computer interaction
Mould group realizes the control to each component, and using the combination of loudspeaker and audio receiver, when the time docks successfully camera
The determination of machine.Test form in abundant test process further promotes the degree of automation, and promotes the accurate of test result
Degree.
Third embodiment of the present invention is related to a kind of focusing test equipment of camera.Second embodiment is first
The improvement done on the basis of embodiment, mainly thes improvement is that: having multiple light sources in third embodiment, utilizes multiple light
Source can simulate different photographed scenes, and it is practical more to meet test.
Specifically, there are three the light sources in the focusing test equipment of the camera in present embodiment, two of them point
She Zhi not be on inner sidewall, another is arranged on inner roof wall.That is, when there are multiple light sources in focusing test equipment
When, at least one light source is set on the inner sidewall of test fully sheathed case.
The inventors of the present application found that the light environment in practical application is complicated, accuracy in order to ensure the test results,
It needs to simulate the light scene in practical application as far as possible, so the light of more closing to reality can be simulated using multiple light
Field of line scape promotes the accuracy of test.
Four embodiment of the invention is related to a kind of focusing test method of camera, is applied to provided by the above embodiment
It focuses test equipment, focusing test equipment includes: that camera jig, test fully sheathed case, display screen and control comprising light source are set
It is standby；The side wall for testing fully sheathed case is equipped with through-hole, and camera jig is used to camera to be measured being fixed on through-hole；Control equipment
It is separately connected light source, display screen and camera to be measured；Display screen is set in test fully sheathed case, opposite with through-hole.
The flow chart of focusing test method in present embodiment is as shown in figure 4, specific as follows:
Step 401, display screen plays test image.
Step 402, camera to be measured focuses to test image.
Step 403, according to preset Test Strategy, the Focusing parameter that equipment obtains camera to be measured is controlled.
Specifically, Test Strategy include played test image and light source display parameters or above-mentioned two ginseng
Any one in number.
Step 404, summarize acquired Focusing parameter as test result.
In terms of existing technologies, the main distinction and its effect are present embodiment: providing a kind of for imaging
The special equipment of head focusing test, using the test fully sheathed case containing light source, not only simulated environment light, moreover it is possible to avoid other lights right
The influence of camera focusing realizes focusing of the test camera to different objects using the display screen of playable test image,
It is whole that hardware is configured according to Test Strategy, to make to control the test ginseng of equipment acquisition camera during the test
Number.In addition, automatic testing equipment can quickly test multi-group data in short-term, testing efficiency is not only promoted, moreover it is possible to promote test
Precision.As it can be seen that present embodiment realizes the automatic test to camera focusing, test speed is fast, reduces manpower, and significantly
Improve measuring accuracy.
It is not difficult to find that present embodiment is embodiment of the method corresponding with first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
Fifth embodiment of the invention is related to a kind of focusing test method of camera.5th embodiment is real the 4th
Apply the improvement done on the basis of mode, mainly the improvement is that: in the 5th embodiment, camera to be measured is successfully focused
When, audio signal can be also issued, relatively, the focusing success opportunity of camera to be measured is determined using acquisition audio signal.
Focusing test method in present embodiment is as shown in figure 5, specific as follows:
Step 401 and step 402 of the step 501 into step 502 and the 4th embodiment are similar, herein no longer one by one
It enumerates.
Step 503, when focusing successfully, audio signal is issued.
Specifically, when camera focusing to be measured success, triggering loudspeaker issue audio signal, and audio signal can be various
Prompt tone, such as " drop drop " or a Duan Yinle.
Step 403 in step 504 and the 4th embodiment is similar, will not enumerate herein.
Step 505, audio signal is acquired.
It specifically, is to acquire audio signal when step 504 acquires Focusing parameter, corresponding processing chip can be certainly
Dynamic to count and record focusing time, focusing time can also be used as a part of test result.
Step 506, summarize acquired Focusing parameter and audio signal as test result.
It specifically, is exactly to collect time of audio signal in Focusing parameter and step 505 in aggregation step 504 to make
For test result.
It is noted that focusing test equipment can also include: for adjusting display screen and camera distance to be measured
Regulating mechanism；Regulating mechanism is separately connected display screen and control equipment.Corresponding, preset Test Strategy can also include: aobvious
The distance of display screen and camera to be measured.Specifically, preset Test Strategy is by user setting.
As it can be seen that the monitoring to focusing prompt tone is realized, by collected right using the combination of loudspeaker and audio receiver
Burnt prompt tone determines that camera to be measured is successfully focused.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as comprising identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (8)
1. a kind of focusing test equipment of camera characterized by comprising camera jig, the test closing comprising light source
Case, the display screen for playing test image and control equipment and loudspeaker and audio receiver；
The side wall of the test fully sheathed case is equipped with through-hole, and the camera jig is used to for camera to be measured being fixed on described logical
Kong Shang；
The control equipment is separately connected the light source, the display screen and the camera to be measured；
The audio receiver is set to the position at the pronunciation of the relatively described loudspeaker；The loudspeaker and the audio receiver point
Not connected with the control equipment；The loudspeaker are used to play prompt tone when camera focusing success；The audio connects
It receives device and is used to receive the prompt tone that the loudspeaker play；
The display screen is set in the test fully sheathed case, opposite with the through-hole, for the letter according to the control equipment
Number, play test image；
The light source, for providing ambient light according to display parameters；
The control equipment, for being obtained according to Test Strategy when the camera to be measured successfully focuses to the test image
Take Focusing parameter；Wherein, the Test Strategy includes played test image and/or the display parameters.
2. the focusing test equipment of camera according to claim 1, which is characterized in that further include: it is described for adjusting
The regulating mechanism of display screen and the camera distance to be measured；
The regulating mechanism is separately connected the display screen and the control equipment.
3. the focusing test equipment of camera according to claim 1, which is characterized in that the control equipment includes: place
Manage chip and human-computer interaction mould group；
The processing chip is separately connected the human-computer interaction mould group, the light source, the display screen and the camera to be measured.
4. the focusing test equipment of camera according to claim 1, which is characterized in that the quantity of the light source is greater than 1
It is a.
5. the focusing test equipment of camera according to claim 4, which is characterized in that at least one light source is set to institute
On the inner sidewall for stating test fully sheathed case.
6. a kind of focusing test method of camera, which is characterized in that be applied to a kind of focusing test equipment, the focusing test
Equipment includes: camera jig, the test fully sheathed case comprising light source, display screen and control equipment；
The side wall of the test fully sheathed case is equipped with through-hole, and the camera jig is used to for camera to be measured being fixed on described logical
Kong Shang；
The control equipment is separately connected the light source, the display screen and the camera to be measured；The display screen, is set to
It is opposite with the through-hole in the test fully sheathed case；
The focusing test method of the camera includes:
The display screen plays test image；
The camera to be measured focuses to the test image；When the camera to be measured is successfully focused, audio signal is issued；
According to preset Test Strategy, the control equipment acquires the audio signal, and obtains pair of the camera to be measured
Burnt parameter；Wherein, the Test Strategy includes the display parameters of played test image and/or the light source；
Summarize the time of acquired Focusing parameter and collected audio signal as test result.
7. the focusing test method of camera according to claim 6, which is characterized in that the focusing test equipment packet
It includes: for adjusting the regulating mechanism of the display screen and the camera distance to be measured；The regulating mechanism is separately connected described
Display screen and the control equipment；
The preset Test Strategy further include: the distance of the display screen and the camera to be measured.
8. the focusing test method of camera according to claim 6, which is characterized in that the preset Test Strategy by
User setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710343096.5A CN107271144B (en) | 2017-05-16 | 2017-05-16 | A kind of the focusing test equipment and its focusing test method of camera |
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| CN201710343096.5A CN107271144B (en) | 2017-05-16 | 2017-05-16 | A kind of the focusing test equipment and its focusing test method of camera |
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| CN107271144B true CN107271144B (en) | 2019-11-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107749982A (en) * | 2017-11-29 | 2018-03-02 | 北京小米移动软件有限公司 | For testing device, method and the controller of camera auto-focusing |
| CN114449259A (en) * | 2022-02-14 | 2022-05-06 | 上海豪承信息技术有限公司 | Camera focusing test method, device and system and control terminal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1130827A (en) * | 1997-07-10 | 1999-02-02 | Yukitoshi Shichijo | Camera tester using diffused light and monochrome parallel beams |
| CN201282538Y (en) * | 2008-09-26 | 2009-07-29 | 比亚迪股份有限公司 | Test device for pick-up head |
| JP2010256471A (en) * | 2009-04-22 | 2010-11-11 | Aiphone Co Ltd | Focus adjustment device |
| CN205490962U (en) * | 2016-02-25 | 2016-08-17 | 群光电子(苏州)有限公司 | A compound light box of multistation for camera detection |
| CN205507194U (en) * | 2016-03-30 | 2016-08-24 | 富港电子(昆山)有限公司 | Automatic focusing and testing arrangement |
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