CN108827600A - measuring device - Google Patents
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- CN108827600A CN108827600A CN201810544736.3A CN201810544736A CN108827600A CN 108827600 A CN108827600 A CN 108827600A CN 201810544736 A CN201810544736 A CN 201810544736A CN 108827600 A CN108827600 A CN 108827600A
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- measurement component
- measurement
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- 238000005259 measurement Methods 0.000 claims abstract description 159
- 238000012360 testing method Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 22
- 238000005286 illumination Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
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- 239000000463 material Substances 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present embodiments relate to digital electric field, in particular to a kind of measuring device, including：Scaling board, photographing module expose on scaling board, obtain a rectangle preview screen；First slideway and the second slideway, are set on scaling board；Multiple measurement components, each component that measures measures brightness value of the photographing module in exposure respectively, and each measurement component is also slidably disposed on the first slideway or the second slideway；First measuring device, for measuring the distance between at least any two measurement component facing each other after any three measurement component slippages are to rectangle preview screen at arbitrary three endpoints；Second measuring device, for obtaining brightness value of each photographing module for measuring in the region of rectangle preview screen of measurement component in exposure.Since measuring device is the angle of visibility that can measure photographing module, and the average value of flash lamp can be measured, therefore the work that achievable two equipment of an equipment need to be completed, so that the ease of use of measuring device can be improved.
Description
Technical field
The present embodiments relate to digital electric field, in particular to a kind of measuring device.
Background technique
Optical camera has been widely used in the mobile terminals such as mobile phone, camera, video camera at present, optical camera
Field angle size determine where mobile terminal field range, field angle is bigger, and the visual field is bigger, generally, mesh
Mark object be more than camera field angle would not camera-shot arrive, therefore the measurement of field angle will be weighed increasingly
Want, in a practical situation, be usually used measurement three material objects in camera preview screen edge it is mutual away from
From then calculating the angle of visibility of camera.
In addition, when flash lamp open after, if flash lamp if the illumination brightness irregularities in the visual angular region of camera,
The non-uniform phenomenon of light and shade can be presented in the photo that camera is shot, that is, is possible to transition exposure in somewhere in photo occur, causes
Excessively white at this on photo, certain light exposure is very little, leads to excessively dark at this on photo, therefore the brightness uniformity of flash lamp
Be it is vital, in a practical situation, usually after flash lamp opening, it is any several in preview screen to acquire flash lamp
The brightness value of point, then calculates the average value of each brightness value, to obtain the luminance uniformity of flash lamp.
Inventor has found in the prior art, generally can measure three using a set of equipment and be in camera preview screen side
Mutual distance in kind at angle, then recycles other set device measuring flash lamp to appoint in camera preview screen
It anticipates the brightness values of several points, since the measurement of distance value and brightness value is completed by two sets of equipment, inevitably,
Its cost will increase, and need replacing equipment, its inevitable measuring process inherently accordingly increases, to will increase
The complexity of measurement.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of measuring device, and a measuring device is allowed to measure camera shooting
The field angle of module and the brightness uniformity of flash lamp.
In order to solve the above technical problems, embodiments of the present invention provide a kind of measuring device, including：
Scaling board is oppositely arranged with the photographing module of Devices to test；The photographing module on the scaling board for exposing
Light is also used to obtain rectangle preview screen of the scaling board relative to photographing module side any part；
First slideway and the second slideway intersect in advance for two cornerwise paths along the rectangle preview screen and set
It is placed in side of the scaling board relative to the photographing module, the photographing module is also used to getting the rectangle preview
After picture, by intersecting for two cornerwise intersection points of the rectangle preview screen and first slideway and second slideway
Central point is overlapped；
N number of measurement component, the N are the natural number more than or equal to 3；Each measurement component is respectively used in the square
Brightness value of the photographing module in exposure is measured in the region of shape preview screen, and each measurement component is also slideably
It is set on first slideway or second slideway, for being slided along first slideway or second slideway；
First measuring device, for any to the correspondence rectangle preview screen in any three measurement component slippages
Three endpoints at after, measure the distance between at least any two described measurement component facing each other；
Second measuring device, for obtain each measurement component measured in the region of the rectangle preview screen described in take the photograph
As brightness value of the module in exposure.
Embodiment of the present invention in terms of existing technologies, is slided due to opening up the first slideway and second in advance in scaling board
Road, and the first slideway and the second slideway are that diagonal line in advance along the rectangle preview screen of photographing module opens up, and surveys
It further include the measurement component of the brightness value of multiple measurable flash lamps in amount equipment, each component that measures is slidably disposed on first
It on slideway and the second slideway, and can slide along the length direction of the first slideway and the second slideway, therefore, be imaged when needing to measure
, can be by any three measurement component slippages to any three endpoints of rectangle preview screen when the angle of visibility of module, and survey
Measuring component further includes the first measuring device, can measure three wherein any two at preview screen endpoint using measuring device
The distance between the measurement component that group is oppositely arranged, meanwhile, when needing to measure the average brightness of flash lamp, measurement component is also
Including the second measuring device, brightness value measured by each measurement component is obtained by the second measuring device and therefore passes through above-mentioned point
Analysis is it is not difficult to find that compared with prior art, measuring device i.e. measurable three in embodiment of the present invention are pre- in camera
It lookes at the mutual distance of material object of picture edge, and flash lamp any several points in camera preview screen can be measured
Brightness value, therefore the work that achievable two equipment of an equipment need to be completed, cost inherently reduce, and with same
The work that achievable two equipment of equipment need to be completed inherently simplifies the step of measuring, so that the use of measuring device can be improved
Convenience.
In addition, the N be greater than or equal to 4, each measurement component is in the preview screen, every slideway up to
Set less there are two the measurement component, and on every slideway at least measurement component described in any two along first slideway and
The second slideway crossing center point is symmetrically set；
Wherein, each measurement being symmetrically set along the crossing center point of first slideway and second slideway
Component, until the distance of the crossing center point of first slideway and second slideway is equal.
Since the quantity of measurement component is greater than or equal to 4, and respectively friendship of the measurement component to the first slideway and the second slideway
The distance of fork central point is equal, so that respectively measurement component can be distributed relatively uniformly among inside preview screen, thus
The accuracy rate of measured brightness of flash lamp average value can be improved.
In addition, the N is greater than 4, at least one described measurement component is located at first slideway and second slideway
Crossing center point.Due to being also equipped with measurement component in the place of the first slideway and the second slideway crossing center point, thus meeting
Further increase the accuracy rate of measured brightness of flash lamp average value.
In addition, the measuring device further includes：Intersect the third slideway and the 4th slideway of setting, and the third is sliding
The crossing center point of road and the 4th slideway is overlapped with the crossing center point of first slideway and second slideway, each institute
It states measurement component to be also slidably disposed on the third slideway or the 4th slideway, for along the third slideway or institute
The 4th slideway is stated to be slided；
Wherein, the N be greater than or equal to 8, each measurement component is respectively positioned in the preview screen, every slideway up to
Set less there are two the measurement component, and on every slideway at least measurement component described in any two along first slideway and
The second slideway crossing center point is symmetrically set, and along the crossing center point of first slideway and second slideway
Each measurement component being symmetrically set, until the distance of the crossing center point of first slideway and second slideway is equal
It is equal.
Due to increasing two slideways, and the quantity for measuring component is greater than or equal to 8, and respectively measurement component is sliding to first
The distance of the crossing center of road and the second slideway point is equal, so that respectively measurement component opposite can be more equally distributed in
Inside preview screen, so that the accuracy rate of measured brightness of flash lamp average value can be improved.
In addition, the N is greater than 8, at least one described measurement component is located at first slideway and second slideway
Crossing center point.Due to being also equipped with measurement component in the place of the first slideway and the second slideway crossing center point, thus meeting
Further increase the accuracy rate of measured brightness of flash lamp average value.
In addition, the length and width of the rectangle preview screen is in arbitrary proportion.
In addition, the N is equal to 4, the measuring device further includes：Four actuators are correspondingly provided with two on every slideway
The actuator, and two actuators being arranged on same root slideway are set to first slideway and described second relatively
The two sides of slideway crossing center point；
Wherein, the actuator and the measurement component correspond, and each actuator is used to drive respective institute right
The measurement component answered is along respectively corresponding slideway sliding.
In addition, the N is equal to 8, the measuring device further includes：Eight actuators are correspondingly provided with two on every slideway
The actuator, and two actuators being set on same root slideway are set to first slideway and described second relatively
The two sides of slideway crossing center point；
Wherein, the actuator and the measurement component correspond, and each actuator is used to drive respective institute right
The measurement component answered is along respectively corresponding slideway sliding.
In addition, the measuring device further includes：Master control system, the master control system and each actuator are electrically connected,
For driving the respectively corresponding measurement component slippage to predeterminated position by controlling each the driving component.
Measurement component slippage can be driven to preset position by master control system, such as measurement photographing module angle of visibility is pre-
If position, or the predeterminated position of the measurement brightness of flash lamp uniformity, to can further improve the easy-to-use of measuring device
Property.
In addition, first measuring device includes：At least one range sensor；
Wherein, at least any one of range sensor is set at arbitrary three endpoints of the preview screen
Three it is described measurement components in any one of measurement components on.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural representation of the measuring device in first embodiment of the invention when three measurement components are only arranged
Figure；
Fig. 2 is geometric representation when calculating in first embodiment of the invention about angle of visibility；
Fig. 3 is the structural schematic diagram of the measuring device in first embodiment of the invention when five measurement components are arranged；
Fig. 4 is the structural schematic diagram of the measuring device in first embodiment of the invention when nine measurement components are arranged；
Fig. 5 is the structural schematic diagram of pedestal in first embodiment of the invention；
Fig. 6 is illumination photometer and the top view after pedestal assembly in first embodiment of the invention；
Fig. 7 is the structural schematic diagram of actuator in second embodiment of the invention；
Fig. 8 is the circuit module figure of measuring device in second embodiment of the invention；
Fig. 9 is when nine measurement components are arranged in third embodiment of the invention, and nine measurement components are in initial bit
The structural schematic diagram of measuring device when setting；
Figure 10 be in third embodiment of the invention when be arranged nine measurement components, and when preview screen length-width ratio be 4:3
When measuring device structural schematic diagram；
Figure 11 be in third embodiment of the invention when be arranged nine measurement components, and when preview screen length-width ratio be 16:9
When measuring device structural schematic diagram；
Figure 12 is the circuit module figure of measuring device in third embodiment of the invention；
Figure 13 is the structural schematic diagram of actuator in third embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of measuring devices, as shown in Figure 1, the measuring device includes：Scaling board
1, scaling board 1 and the photographing module of Devices to test are oppositely arranged, and in the present embodiment, photographing module includes：Camera and sudden strain of a muscle
Light lamp, when camera exposes on scaling board 1, an available scaling board 1 is relative to camera side any part
Rectangle preview screen, meanwhile, as shown in Figure 1, measuring device further includes：First slideway 2 and the second slideway 3 are mounted slidably
Multiple measurement components 4, the first measuring device and second device on each slideway, each component 4 that measures can be along the first slideway 2 and the
Two slideways 3 are slided, wherein the first slideway 2 and the second slideway 3 are cornerwise along two of camera rectangle preview screen
Path is arranged in a crossed manner in advance can to adjust after camera gets rectangle preview screen in scaling board 1 relative to camera side
Whole preview screen make preview screen two cornerwise intersection points and the first slideway 2 and the second slideway 3 crossing center point O into
Row is overlapped, and each component 4 that measures can also measure brightness value of the camera in exposure in the region of rectangle preview screen respectively.
Wherein, when needing to measure the angle of visibility of camera, any three measurements component 4 can be slid into rectangle preview picture
At any three endpoints in face, as shown in Figure 1, three measurement components 4 are referred to as the first measurement component 4-1, the second measurement group
Part 4-2 and third measure component 4-3, then use the first measuring device, measure in this three measurement components 4 two two-by-two relatively
The distance between measurement component 4, specifically, in the present embodiment, as shown in fig. 6, the first measuring device includes at least
Two range sensor 5-1, range sensor 5-1 are arranged in any two in three measurement components 4, for example, wherein
One range sensor 5-1 setting is on the first measurement component 4-1, another setting is on the second measurement component 4-2, setting the
Range sensor 5-1 on one measurement component 4-1 emits beam of laser to the second measurement component 4-2, and laser is by the second measurement group
After part 4-2 is reflected, received again by the range sensor 5-1 on the first measurement component 4-1, be emitted by laser and
The time of receiving can extrapolate the distance between the measurement of the first measurement component 4-1 and second component 4-2, then be arranged in second
The range sensor 5-1 measured on component 4-2 emits beam of laser to third measurement component 4-3, and laser measures component by third
After 4-3 is reflected, is received again by the range sensor 5-1 on the second measurement component 4-2, be emitted and connect by laser
The time received can extrapolate the distance between the second measurement component 4-2 and third measurement component 4-3,
Same mode can also measure the first survey by the range sensor 5-1 being arranged on the first measurement component 4-1
The distance between component 4-1 and third measurement component 4-3 are measured, certainly, in a practical situation, component 4- can also be measured in third
It is also provided with range sensor 5-1 on 3, three mutual distances of measurement component 4 can also be equally obtained, certainly, in reality
In situation, tape measure can use also to measure the distance between each measurement component 4.
As shown in Fig. 2, the first measurement present position component 4-1 can record as point A, the second measurement present position component 4-2
Can record as point B, the third measurement present position component 4-3 can record as point C, after 3 points of A, B, C are linked up, constitute one it is straight
Angle triangle, therefore by Pythagorean theorem, it can be obtained the distance between the second measurement component 4-2 and third measurement component 4-3,
That is side length BC, due to two cornerwise intersection points of camera preview screen and the crossing center of the first slideway 2 and the second slideway 3
Point is overlapped, that is to say, that the line between 3 crossing center point of camera to the first slideway 2 and the second slideway is perpendicular to calibration
Plate 1, in a practical situation, camera present position can record as point P, camera to the first slideway 2 and the second slideway 3 intersection
The distance of central point it is known that i.e. the distance of PO it is known that as shown in Fig. 2, the distance of AB, BC, AC, PO all it is known that and PO it is vertical
In AC, and O point is the central point of AC, therefore can acquire ∠ APB, ∠ APC, ∠ BPC by tangent trigonometric function inverse function,
Wherein, ∠ APB is the horizontal field of view angle of camera, and ∠ APC is the diagonal field of view angle of camera, and ∠ BPC is the vertical of camera
Therefore field angle can be obtained each field angle of camera with this solution.
In addition, the second measuring device is a terminal device when needing to measure the luminance uniformity of flash lamp, work people
The brightness value that member can measure flash lamp measured by component 4-1, the second measurement component 4-2 and the second measurement component 4-2 for first
In input terminal equipment, the average value of brightness value measured by each measurement component 4 is calculated by terminal device, to can obtain
It obtains brightness of flash lamp to be uniformly worth, certainly in a practical situation, which for example can be computer, mobile phone etc..
By above-mentioned analysis it is not difficult to find that compared with prior art, the measuring device in embodiment of the present invention can be surveyed
The mutual distance of amount three material objects in camera preview screen edge, but it is pre- in camera to measure flash lamp
Look at the brightness values of any several points in picture, therefore the work that achievable two equipment of an equipment need to be completed, cost must
The work that can be reduced, and need to be completed with achievable two equipment of the same equipment inherently simplifies the step of measuring, thus meeting
Improve the ease of use of measuring device.
Certainly, in order to improve the luminance uniformity of calculated flash lamp accuracy rate, can will measurement component 4 be set as
More than or equal to four, as shown in figure 3, at least four measurement components 4 are in camera preview screen, and the first slideway
It is set on 2 there are two component 4 is measured, two measurement components 4 on the first slideway 2 are in the intersection of the first slideway 2 and the second slideway 3
Heart point is symmetrically set, and two measurement components 4, two measurement components 4 on the second slideway 3 also are provided on the second slideway 3
It is symmetrically set along the first slideway 2 and 3 crossing center point of the second slideway, and aforementioned four 4 to the first slideway 2 of measurement component
It is equal with the distance of 3 crossing center point of the second slideway, meanwhile, in order to further increase the brightness uniformity of measured flash lamp
A measurement component 4 can also be arranged in the crossing center point of degree, the first slideway 2 and the second slideway 3, certainly, in a practical situation,
In addition to being arranged above other than four measurement components 4 on first slideway 2 and the second slideway 3, multiple, and the first slideway can also be set
2 and second the crossing center point of slideway 3 multiple measurement components 4 also can be set.
It is further preferred that as shown in figure 3, two measurement components 4 on the first slideway 2 can be respectively along the first slideway 2
It slides at two endpoints of rectangle preview screen, two measurement components 4 on the second slideway 3 can also be respectively along the second slideway
3 slide at two endpoints of rectangle preview screen, after measurement component 4 is arranged in the manner described above, are by each measurement component 4
Flash lamp be can get at four endpoints of rectangle preview screen and the brightness value of center, so that measured flash of light can be improved
The accuracy rate of the luminance uniformity of lamp.
In addition, may be used also on scaling board 1 to further increase the accuracy rate of the luminance uniformity of measured flash lamp
Open up the third slideway 6 and the 4th slideway 7 of the setting that intersects, and the crossing center point of third slideway 6 and the 4th slideway 7 with
The crossing center point of first slideway 2 and the second slideway 3 is overlapped, and each component 4 that measures also is slidably disposed on third slideway 6 and the
On four slideways 7, and it can be slided along third slideway 6 and the 4th slideway 7.
As shown in figure 4, in the present embodiment, third slideway 6 and the 4th slideway 7 are mutually perpendicular to, and 6 He of third slideway
First slideway 2 intersect after in 45 degree angles, the 4th slideway 7 and the second slideway 3 intersect after be also in 45 degree of angles, thus
So that can be distributed relatively uniformly among in rectangle preview screen after respectively measurement component 4 slides into predeterminated position on each slideway,
To improve the luminance uniformity of measured flash lamp, certainly, in a practical situation, third slideway 6 and the 4th slideway 7 can also
Not to be mutually perpendicular to, and third slideway 6 and the first slideway 2 intersect after angle and the 4th slideway 7 and 3 phase of the second slideway
Angle after mutually intersecting can also merely provide a kind of most preferred scheme according to being actually adjusted in the present embodiment.
When being additionally provided with third slideway 6 and four slideways 7 on scaling board 1, measurement component 4 should at least have eight, and
Each measurement component 4 is all in rectangle preview screen, as described in Figure 4, is all provided on every slideway there are two measuring component 4, and
And two on every slideway measurement components 4 are symmetrically set along the crossing center of the first slideway 2 and the second slideway 3,
Due to be all provided on every slideway there are two measure component 4, four slideways, therefore a total of eight measurements component 4 in total, this eight
The distance of the crossing center point of measurement 4 distance the first slideway 2 of component and the second slideway 3 is equal, as shown in figure 4, further excellent
Choosing, when needing to measure the luminance uniformity of flash lamp, eight measurement components 4 can slide into rectangle preview along respective slideway
It, can also be in the first slideway 2 and the at eight endpoints of picture, and for the accuracy rate of further measured luminance uniformity
One measurement component 4 is set on the crossing center point of two slideways 3, so that nine measurement components 4 can relatively evenly divide
Cloth can further improve the accuracy rate of the luminance uniformity of measured flash lamp in rectangle preview screen.
In addition, it is necessary to, it is emphasized that in a practical situation, in addition to above-mentioned eight measurement components 4 are arranged also on each slideway, go back
Can be set it is multiple, meanwhile, multiple measurement components 4 can also be also set on 3 crossing center point of the first slideway 2 and the second slideway.
In addition, specifically, above-mentioned each slideway is the sliding slot being provided on scaling board 1, and each sliding slot runs through calibration
Plate 1, certainly, in a practical situation, each slideway can also be the track being laid on scaling board 1, in addition, in order to enable measurement group
Part 4 can slide in each sliding slot, and can also measure the brightness value of flash lamp, and as shown in FIG. 5 and 6, measurement component 4 is specific
Including：Pedestal, the brightness measurer of setting on the base for sliding in each sliding slot, the brightness measurer can be illumination
Count 4-5, wherein brightness measurer can be used to measure the brightness of flash lamp, and as shown in FIG. 5 and 6, pedestal specifically includes：For holding
The support components support 4-4-1 for holding in the palm illumination photometer 4-5, the connecting column 4-4-2, connecting column 4-4-2 being fixedly connected with support components support 4-4-1
It is inserted into sliding slot, and concordant with the lower surface of scaling board 1, support components support 4-4-1 includes：Supporting plate 4-4-1-1, it is arranged in support
The first fixed plate 4-4-1-2 and the second fixed plate 4-4-1-3 on plate 4-4-1-1, and the first fixed plate 4-4-1-2 and second
Fixed plate 4-4-1-3 is oppositely arranged on supporting plate 4-4-1-1, wherein after in connecting column 4-4-2 insertion sliding slot, supporting plate
The lower surface of 4-4-1-1 and the upper surface of scaling board 1 support, the first fixed plate 4-4-1-2 and the fixed company of supporting plate 4-4-1-1
It connects, the second fixed plate 4-4-1-3 and supporting plate 4-4-1-1 is slidably connected, while support components support 4-4-1 further includes：For driving
Regulating part 4-4-1-4 of the second fixed plate 4-4-1-3 court close to or far from the movement of the first direction fixed plate 4-4-1-2.
As shown in FIG. 5 and 6, regulating part 4-4-1-4 is specifically included：Support plate 4-4-1-4-1 and screw rod 4-4-1-4-2,
In, support plate 4-4-1-4-1 is also disposed at supporting plate 4-4-1-1, and it is fixed away from first to be located at the second fixed plate 4-4-1-3
The side of plate 4-4-1-2, screw rod 4-4-1-4-2 rotatably connect after passing through supporting plate 4-4-1-1 with the second fixed plate 4-4-1-3
It connects, and screw rod 4-4-1-4-2 is threadedly coupled with supporting plate 4-4-1-1, and screw rod 4-4-1-4-2 can also drive second to fix
Plate 4-4-1-3 is moved toward or away from the direction of the first fixed plate 4-4-1-2, specifically, in the second fixed plate 4-4-1-3
On open up a through-hole, screw rod 4-4-1-4-2 passes through the first baffle after this passes through, being oppositely arranged on screw rod 4-4-1-4-2
And second baffle, the first baffle and second baffle are located at the two sides of the second fixed plate 4-4-1-3, and first baffle and second
The distance of baffle is slightly larger than the thickness of the second fixed plate 4-4-1-3, while turning screw rod 4-4-1-4-2 for convenience, in screw rod
4-4-1-4-2 is equipped with a handwheel 4-4-1-4-3 far from one end of the first fixed plate 4-4-1-2.
When needing to clamp illumination photometer 4-5, it is fixed that illumination photometer 4-5 can be placed in the first fixed plate 4-4-1-2 and second
Between plate 4-4-1-3, when forward direction turns screw rod 4-4-1-4-2, screw rod 4-4-1-4-2 is towards the second fixed plate 4-4-1-3's
Direction movement, pushes the second fixed plate 4-4-1-3 to move towards the direction of the first fixed plate 4-4-1-2, clamps illumination photometer 4-5,
It is reversely to turn screw rod 4-4-1-4-2 when needing to take off illumination photometer 4-5, pulls the second fixed plate 4-4-1-3 towards second
Fixed plate 4-4-1-3 is moved towards the direction far from the first fixed plate 4-4-1-2, unclamps illumination photometer 4-5.
In addition, as shown in fig. 6, in order to enable being capable of fixing, holding after pedestal slides into predeterminated position in each sliding slot
The side of supporting plate 4-4-1-1 is connected by a hinge a placement plate 8, which is hinge 9, hinge respectively with placement plate 8 and hold
Supporting plate 4-4-1-1 is fixedly connected, such as is bolted to connection, and a magnet is arranged towards the side of scaling board 1 in placement plate 8
10, after pedestal reaches on predeterminated position, placement plate 8 is rotated, so that placement plate 8 is parallel to supporting plate 4-4-1-1, at this time magnet 10
It is pulled together with scaling board 1, so that pedestal is fixed on scaling board 1, when pedestal needs to slide, is rotated further by placement plate 8,
Come so that placement plate 8 is started, magnet 10 is separated with scaling board 1 at this time, and pedestal can slide in each sliding slot, certainly, is put
Setting plate 8 can be set two, and two placement plates 8 are located at the two sides of supporting plate 4-4-1-1, and are respectively provided with magnetic in two placement plates 8
Iron 10, so as to which pedestal to be securely fixed on scaling board 1.
In addition, as shown in fig. 6, in order to enable range sensor 5-1 to measure distance, on the first measurement component 4-1 away from
It is arranged on the first fixed plate 4-4-1-2 in the first measurement component 4-1 from sensor 5-1, while measures component 4-2 second
On the first fixed plate 4-4-1-2 on a reflector 5-2 is set, reflector 5-2 can reflect on the first measurement component 4-1
The light that range sensor 5-1 is emitted, meanwhile, the range sensor 5-1 on the second measurement component 4-2 is also disposed at first
On fixed plate 4-4-1-2, while a reflector is also provided on the first fixed plate 4-4-1-2 on third measurement component 4-3
The light that the range sensor 5-1 that 5-2, reflector 5-2 can reflect on the second measurement component 4-2 is emitted.
Second embodiment of the present invention is related to a kind of measuring device, and second embodiment is in first embodiment
It is further improved, main improvement is, in the present embodiment, when four slideways, and measurement group are arranged on scaling board 1
When part 4 is eight, measuring device further includes：Two actuators are arranged on every slideway, and are arranged same for eight actuators
Two actuators on root slideway are oppositely arranged on the two sides of 3 crossing center point of the first slideway 2 and the second slideway, and each drive
Moving part corresponds to a measurement component 4, and each actuator is used to measurement component 4 corresponding to driving respectively along respectively corresponding cunning
It is slided in road.
Specifically, in the present embodiment, actuator is located at the back side of scaling board 1, as shown in fig. 7, actuator is specific
Including：Ball-screw 11-1, the motor 11-2 of driving ball-screw 11-1 rotation, ball-screw 11-1 is fixed on scaling board 1
On bracket, ball-screw 11-1 mainly includes：Screw rod 11-1-1, be set on screw rod 11-1-1 and with screw rod 11-1-1 screw thread
The nut 11-1-2 of connection, wherein the motor transmission shaft 11-2-1 and screw rod 11-1-1 of motor 11-2 is fixedly and coaxially connected, and works as electricity
When machine 11-2 drives screw rod 11-1-1 rotation, it can drive nut 11-1-2 on screw rod 11-1-1 along the length side of screw rod 11-1-1
To reciprocating motion, for example, first ball-screw 11-1 being arranged on 2 side of the first slideway, the spiral shell of ball-screw 11-1
Bar 11-1-1 is parallel to each other with the first slideway 2, since the first slideway 2 is the sliding slot for running through scaling board 1, screw rod 11-
1-1 is directed at the sliding slot, in addition, the connecting column 4-4-2 of pedestal is in each sliding slot on insertion scaling board 1 in first embodiment
Afterwards, it is fixedly connected across scaling board 1 with the nut 11-1-2 of ball-screw 11-1, such as：Bonding or welding, therefore work as nut
When 11-1-2 is moved back and forth along screw rod 11-1-1, it can be moved back and forth with the length direction of moving base along the chute.
In addition, specifically, as shown in fig. 7, bracket includes：First annulus 11-3-1, the second annulus 11-3-2, the first annulus
11-3-1 and the second annulus 11-3-2 are set on screw rod 11-1-1, and are located at the two sides of screw rod 11-1-1 length direction, spiral shell
Bar 11-1-1 can be rotated in the first annulus 11-3-1 and the second annulus 11-3-2, the first annulus 11-3-1 and the second annulus 11-
3-2 is welded on scaling board 1, so that ball-screw 11-1 is capable of fixing on scaling board 1, while on screw rod 11-1-1
It is additionally provided with a first flange part 11-1-1-1 and the second flange part 11-1-1-2, two flange parts are fixed with screw rod 11-1-1
Connection, wherein the first flange part 11-1-1-1 is supported with the first annulus 11-3-1, the second flange part 11-1-1-2 and the second annulus
11-3-2 is supported, to can avoid screw rod 11-1-1 in the first annulus 11-3-1 and the second annulus 11-3-2 along screw rod 11-1-1
Length direction sliding.
In addition, a measurement component 4, the measurement group also can be set in the crossing center of first sliding groove and second sliding slot point
Part 4 is not connect with any actuator, and the crossing center point for being at first sliding groove and second sliding slot is motionless.
In addition, it is necessary to which explanation is provided with the first slideway 2 and the second slideway when on scaling board 1 in a practical situation
Corresponding when 3, actuator can also only be arranged four, and two actuators are arranged in every slideway, which is located at first
The two sides of 3 crossing center point of slideway 2 and the second slideway, it is corresponding, measurement component 4 also there are four, each actuator is one corresponding
Measurement component 4 in this case, also can be set one in the central intersection point position of first sliding groove and second sliding slot certainly
A measurement component 4, the measurement component 4 are not also connect with any actuator.
In addition, further preferably, in the present embodiment, measuring device further includes a master control system, above-mentioned each driving
Part also master control system is electrically connected, and master control system can drive respectively corresponding measurement component 4 to slide by controlling each actuator
To predeterminated position, for example, can control in eight actuators three when needing to measure the angle of visibility of camera, driving respective institute
Corresponding measurement component 4 slides at the endpoint of preview screen along respective slide, when needing to measure the angle of visibility of flash lamp,
Can also drive eight actuators, eight actuators drive respectively corresponding measurement components 4 along it is respective slide slide into it is pre-
It lookes at the endpoint of picture, so that respectively measurement component 4 is uniformly distributed in preview screen, therefore can greatly improve
The operation ease of measuring device.
Third embodiment of the invention is related to a kind of measuring device, and present embodiment is on the basis of second embodiment
The further improvement done, specific as follows, in a practical situation, the length and width of the rectangle preview screen of camera can be in appoint
Meaning ratio, for example, the ratio of the length and width of preview screen is 4 when camera shoots photo:3, when camera is recorded a video
When, the ratio of the length and width of camera is 16:9,16:9 length-width ratio is 4:Cut on the basis of 3 length-width ratios and
It obtains, there is no becoming, the angle of visibility of camera will not become the specification due to camera, therefore only need to measure preview
Picture is 4:Angle of visibility when 3, but when different length-width ratios are presented in preview screen, flash lamp is in different preview screens
Luminance uniformity also to re-measure, the first slideway 2 and the second slideway 3 in first embodiment and second embodiment are
It is in advance 4 along length-width ratio:What the diagonal line of preview screen when 3 opened up, in the present embodiment, as shown in figure 9, in scaling board
The 5th slideway 12 and the 6th slideway 13 arranged in a crossed manner can be also equipped on 1, the 5th slideway 12 and the 6th slideway 13 are along length-width ratio
It is 16:Preset arranged in a crossed manner on scaling board 1, and the 5th slideway in two cornerwise paths of 9 rectangle preview screen
12 and the 6th slideway 13 and the first slideway 2 be located at the same side of scaling board 1, the crossing center of the 5th slideway 12 and the 6th slideway 13
It overlaps with the crossing center point of the first slideway 2 and the second slideway 3, the 5th slideway 12 and the 6th slideway 13 are also to be provided with
Sliding slot on scaling board 1 and through scaling board 1.
Each measurement component 4 is also slidably disposed on the 5th slideway 12 and the 6th slideway 13, and for along the 5th slideway
12 and the 6th slideway 13 length direction sliding, corresponding, present embodiment also needs to add on the basis of second embodiment
As second embodiment two actuators are arranged, and two actuators are located at first in four actuators on every slideway
The two sides of 3 crossing center point of slideway 2 and the second slideway, the structure and set-up mode of actuator are identical with second embodiment,
Main distinction point is, in this second embodiment, between the connecting column 4-4-2 on the nut 11-1-2 in actuator and pedestal
It is to be fixedly connected by way of being bonded or welded, and in the present embodiment, as shown in figure 13, each nut of each actuator
Electromagnet 14 is provided on 11-1-2, as shown in figure 12, each electromagnet 14 is electrically connected with the master control system of measuring device,
When master control system control electromagnet 14 obtains electric, electromagnet 14 and the connecting column 4-4-2 of pedestal are attached together, thus just yes
Actuator is able to drive some pedestal and move, when master control system control electromagnet 14 must not be electric, pedestal and actuator
It is separated from each other.
Specifically, in implementing operating process, as shown in figure 9, nine pedestals are arranged in the when being in initial position
In the region of the crossing center point of one slideway 2 and the second slideway 3, which is a square area, at this point, staff can
It is 4 that the length-width ratio of preview screen is selected in master control system:3 or 16:9, as shown in Figure 10, when the length-width ratio selected is 4:3
When, master control system can control the spiral shell in the actuator on the first slideway 2, the second slideway 3, third slideway 6 and the 4th slideway 7 respectively
Female 11-1-2 is moved in the region of 3 central intersection point of the first slideway 2 and the second slideway, and controls the electricity on each nut 11-1-2
Magnet 14 it is electric so that each electromagnet 14 adsorbs a pedestal, to drive the pedestal sliding in respectively corresponding slideway
It moves to predeterminated position, so that can measure flash lamp in preview screen length-width ratio is 4:Luminance uniformity when 3, wherein when having three
When a pedestal is slid at the endpoint of preview screen, the angle of visibility of camera, after measurement, master control system can also be measured
Control the region for the crossing center point that each actuator drives respective adsorbed pedestal to be back to the first slideway 2 and the second slideway 3
Interior, then each electromagnet 14 of master control system control must not be electric, so that each actuator and each base-separation.
When the length-width ratio selected is 16:When 9, as shown in figure 11, it is sliding that master control system can control third slideway the 6, the 4th respectively
The nut 11-1-2 in actuator on road 7, the 5th slideway 12 and the 6th slideway 13 moves to the first slideway 2 and the second slideway 3
In the region of central intersection point, and controlling the electromagnet 14 on each nut 11-1-2 must be electric, so that the absorption of each electromagnet 14 one
A pedestal, to drive the pedestal to slide into predeterminated position in respectively corresponding slideway, to can measure flash lamp pre-
Aspect ratio of the picture of looking at is 16:Luminance uniformity when 9, after measurement, master control system controls each actuator and drives respective institute
The pedestal of absorption is back in the region of the crossing center point of the first slideway 2 and the second slideway 3, and then master control system controls each electricity
Magnet 14 must not be electric, so that each actuator and each base-separation.
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 (10)
1. a kind of measuring device, which is characterized in that including：
Scaling board is oppositely arranged with the photographing module of Devices to test；The photographing module on the scaling board for exposing, also
For obtaining rectangle preview screen of the scaling board relative to photographing module side any part；
First slideway and the second slideway, for along two cornerwise paths of the rectangle preview screen in advance it is arranged in a crossed manner in
Side of the scaling board relative to the photographing module, the photographing module are also used to getting the rectangle preview screen
Afterwards, by the crossing center of two cornerwise intersection points of the rectangle preview screen and first slideway and second slideway
Point is overlapped；
N number of measurement component, the N are the natural number more than or equal to 3；Each measurement component is respectively used to pre- in the rectangle
Look at picture region in measure brightness value of the photographing module in exposure, and each measurement component is also mounted slidably
In on first slideway or second slideway, for being slided along first slideway or second slideway；
First measuring device, in any three measurement component slippages to the correspondence rectangle preview screen arbitrary three
After at a endpoint, the distance between at least any two described measurement component facing each other is measured；
Second measuring device, the camera shooting mould measured in the region of the rectangle preview screen for obtaining each measurement component
Brightness value of the block in exposure.
2. measuring device according to claim 1, which is characterized in that the N is greater than or equal to 4, each measurement component
It is in the preview screen, at least provided with two measurement components on every slideway, and at least appoints on every slideway
Two measurement components of meaning are symmetrically set along first slideway and the second slideway crossing center point；
Wherein, each measurement group being symmetrically set along the crossing center point of first slideway and second slideway
Part, until the distance of the crossing center point of first slideway and second slideway is equal.
3. measuring device according to claim 2, which is characterized in that the N is greater than 4, at least one described measurement group
Part is located at the crossing center point of first slideway and second slideway.
4. measuring device according to claim 1, which is characterized in that the measuring device further includes：Intersect setting
Third slideway and the 4th slideway, and the crossing center point of the third slideway and the 4th slideway and first slideway and
The crossing center point of second slideway is overlapped, and each measurement component is also slidably disposed in the third slideway or described
On 4th slideway, for being slided along the third slideway or the 4th slideway；
Wherein, the N is greater than or equal to 8, and each measurement component is respectively positioned in the preview screen, is at least set on every slideway
There are two the measurement component, and on every slideway at least measurement component described in any two along first slideway and described
Second slideway crossing center point is symmetrically set, and mutual along the crossing center point of first slideway and second slideway
Symmetrically arranged each measurement component, until the distance of the crossing center point of first slideway and second slideway is homogeneous
Deng.
5. measuring device according to claim 4, which is characterized in that the N is greater than 8, at least one described measurement group
Part is located at the crossing center point of first slideway and second slideway.
6. measuring device according to claim 1, which is characterized in that the length and width of the rectangle preview screen is in appoint
Meaning ratio.
7. measuring device according to claim 1, which is characterized in that the N is equal to 4, and the measuring device further includes：Four
A actuator, two drivings for being correspondingly provided with two actuators, and being arranged on same root slideway on every slideway
The opposite two sides for being set to first slideway and the second slideway crossing center point of part；
Wherein, the actuator and the measurement component correspond, and each actuator is used to corresponding to driving respectively
The measurement component is along respectively corresponding slideway sliding.
8. measuring device according to claim 4, which is characterized in that the N is equal to 8, and the measuring device further includes：Eight
A actuator, two drivings for being correspondingly provided with two actuators, and being set on same root slideway on every slideway
The opposite two sides for being set to first slideway and the second slideway crossing center point of part；
Wherein, the actuator and the measurement component correspond, and each actuator is used to corresponding to driving respectively
The measurement component is along respectively corresponding slideway sliding.
9. measuring device according to claim 7 or 8, which is characterized in that the measuring device further includes：Master control system,
The master control system and each actuator electric connection, for by controlling corresponding to each the driving component drive respectively
The measurement component slippage is to predeterminated position.
10. measuring device according to claim 1, which is characterized in that first measuring device includes：At least two away from
From sensor；
Wherein, at least range sensor described in any two be set at arbitrary three endpoints of the preview screen three
On measurement component described in any two in a measurement component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810544736.3A CN108827600A (en) | 2018-05-31 | 2018-05-31 | measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544736.3A CN108827600A (en) | 2018-05-31 | 2018-05-31 | measuring device |
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| CN202889534U (en) * | 2012-11-12 | 2013-04-17 | 中国航空工业集团公司上海航空测控技术研究所 | Visual angle measuring device for camera |
| WO2014110191A1 (en) * | 2013-01-08 | 2014-07-17 | Peripheral Vision, Inc. | Lighting system characterization |
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