CN103900685B - For the proportion switch mechanism of Image detection - Google Patents
For the proportion switch mechanism of Image detection Download PDFInfo
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- CN103900685B CN103900685B CN201210575415.2A CN201210575415A CN103900685B CN 103900685 B CN103900685 B CN 103900685B CN 201210575415 A CN201210575415 A CN 201210575415A CN 103900685 B CN103900685 B CN 103900685B
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Abstract
The present invention discloses a kind of proportion switch mechanism, can be used in the pick-up unit of image, in arrange one colourity sensing take into account in an illumination detection at least one of them, colourity sensing is taken into account illumination detection meter and is used for the image of detection one electronic installation, and proportion switch mechanism comprises the first adjusting lever, the second adjusting lever, four the 3rd adjusting lever and support plates.The central point of the first adjusting lever and the second adjusting lever is connected to form rotating shaft, makes both can be that axle center relatively rotates with rotating shaft.Four the 3rd adjusting levers have first end, the second end and in-between tie point respectively, wherein each tie point is pivoted between the end of rotating shaft and the first adjusting lever or the second adjusting lever, and the first end of each 3rd adjusting lever and the second end are connected to each other and form four and extend point.Each 3rd adjusting lever and the first adjusting lever and the second adjusting lever interlock, make to extend point and to rotate with the first adjusting lever and the second adjusting lever and mobile, and support plate can be arranged to extend upper and move thereupon.
Description
Technical field
The present invention relates to a kind of proportion switch mechanism for Image detection, and especially, about a kind of adjustable image detector location to detect the proportion switch mechanism of the image of different proportion.
Background technology
Projector is a kind of instrument that can project image on screen or wall, and it comprises digital projector, cinematic movie projector, projector, lantern slide projection's machine and lens type projector.Because digital projector can from various electronic installation, such as desktop computer, notebook computer, panel computer, DVD player, game machine, digital camera, even intelligent mobile phone etc. receive digital signal, again digital signal is converted to image projection to screen or wall, therefore, digital projector can be used in unit of company, government or mechanism of the state, academic unit, family or the occasion of the large-scale image of any needs widely.
General projector belongs to pre-projecting type, and ray cast is formed image by projector lens by it on the screen outside certain distance or wall.Even the projector of same model, it is also not identical that it exports quality of light, in order to ensure the qualification rate of projector, need to prepare another set of projection image pick-up unit to projector the image that projects out detect.Projection image's pick-up unit can provide an image to receive framework to replace screen or wall to receive projection image, in addition, specific position can arrange multiple colourity sensing meter and illumination detection meter in the frame, and whether the projection image detecting projector by this meets standard.
The standard being generally used for detecting projection image is at present formulated 13 points, or 29 detections at 16 by ANSI (AmericanNationalStandardInstitute, ANSI).Refer to Figure 1A and Figure 1B, Figure 1A is the schematic diagram that image receives 13 chromaticness measuring points 10 of framework 1, Figure 1B is the schematic diagram that image receives 16 illumination detection points 12 of framework 1, please note, 13 detections refer to carries out colourity sensing at 13 chromaticness measuring points 10 of Figure 1A, 16 detections refer to carries out illumination detection at 16 illumination detection points 12 of Figure 1B, and 29 are detected then for 13 chromaticness measuring points 10 of Figure 1A add 16 illumination detection points 12 of Figure 1B.As illustrated in figures ia and ib, when its image projecting is received framework 1 to image by a projector, image receives framework 1 can arrange corresponding colorimeter or illuminometer, to detect each point on these check points.Except projector, other any electronic installation projecting image, such as various displays etc., all receive framework 1 by image and detect its image.
Can be found out by Figure 1A, 13 decisions of chromaticness measuring points 10 detected first image are divided into nine regions, and then each colourity sensing points 10 is arranged at the central point in nine regions and each corner to the RC 10% distance part of image.In addition, can be found out by figure mono-B, image is first divided into 16 regions by the decision of 16 illumination detection points 12 detected, and then each illumination detection point 12 is arranged at the central point in 16 regions.
In recent years, there is projector or the display of various different proportion on the market, the wide screen proportion of such as 16:10 or 16:9.For the image of different proportion, above-mentioned colorimetric detection point 10 also can change with luminance detection point 12 thereupon.In prior art, there is in image detection device simple governor motion, above-mentioned colorimeter and illuminometer can be made to carry out the movement of horizontal or vertical direction, to reach the detection of the image of different size.But, the governor motion of prior art only can reach the Image detection of different size in proportion, for the change of above-mentioned displaying ratio, each colorimeter and illuminometer cannot be adjusted to corresponding position by existing image detection device in real time, and must, again for the making video pick-up unit of different proportion, testing cost significantly be improved.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of proportion switch mechanism for Image detection, to solve the problem of prior art.
According to a specific embodiment, proportion switch mechanism of the present invention can be used in image detection device, in arrange one colourity sensing take into account in an illumination detection at least one of them, this colourity sensing of this image detection device is taken into account this illumination detection meter and is used for an image of detection one electronic installation, and this proportion switch mechanism comprises the first adjusting lever, the second adjusting lever, four the 3rd adjusting lever and support plates.First adjusting lever has a first nodal point; Second adjusting lever has one second central point, and the second central point and first nodal point are connected to each other and form rotating shaft, makes the first adjusting lever and the second adjusting lever can with this rotating shaft for axle center relatively rotates.Four the 3rd adjusting levers have first end, the second end and in-between tie point respectively, the tie point of described four the 3rd adjusting levers respectively with this first adjusting lever or this second adjusting lever pivot joint, and articulated section is between this rotating shaft and the end of this first adjusting lever or the second adjusting lever, and the first end of each 3rd adjusting lever and the second end are connected to each other to form four with the second end of the 3rd adjacent adjusting lever and first end respectively extends point, described four movements extending point are to should the rotation of the first adjusting lever and this second adjusting lever; Support plate is then arranged on one of them of extension point.
In this specific embodiment, first adjusting lever, the second adjusting lever and the mutual pivot joint of four the 3rd adjusting levers and form an interlinked mechanism, when the first adjusting lever and the second adjusting lever relatively rotate, the interlock that each 3rd adjusting lever can be subject to the first adjusting lever and the second adjusting lever causes each extension point to move accordingly, and support plate is movable to correspondence position.Therefore, to carry or each colourity sensing meter be arranged in proportion switch mechanism can be adjusted to diverse location to carry out the detection of the image of different proportion with illuminance transducer.
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Figure 1A is the schematic diagram that image receives 13 chromaticness measuring points of framework.
Figure 1B is the schematic diagram that image receives 16 illumination detection points of framework.
Fig. 2 is the schematic diagram of the proportion switch mechanism according to a specific embodiment of the present invention.
Fig. 3 A to Fig. 3 C is the schematic diagram of proportion switch mechanism for the image of image detection device detection different proportion of Fig. 2.
Wherein, description of reference numerals is as follows:
1: image receives framework 10: chromaticness measuring point
12: illumination detection point
2: image detection device 20: framework
22: proportion switch mechanism 24: detection module
26: driver module 220: the first adjusting lever
222: the second adjusting lever 224: the three adjusting levers
226: support plate 240: colourity sensing meter
242: illumination detection meter 2240: first end
2242: the second ends 2244: tie point
2280: the four adjusting lever 2282: the five adjusting levers
Embodiment
Refer to Fig. 2, Fig. 2 is the schematic diagram of the proportion switch mechanism 22 according to a specific embodiment of the present invention.As shown in Figure 2, proportion switch mechanism 22 can be used among image detection device 2, and except proportion switch mechanism 22, image detection device 2 also can comprise framework 20 and detection module 24.In practice, framework 20 can receive and be projected by an electronic installation and the image that comes, and this electronic installation can be the device that projector or display etc. can project image, and detection module 24 can the colourity of each sensing points and illumination on sensing image.
In this specific embodiment, proportion switch mechanism 22 comprises the first adjusting lever 220, second adjusting lever 222, four the 3rd adjusting levers 224 and support plate 226, wherein the first adjusting lever 220, second adjusting lever 222, four the 3rd adjusting levers 224 are connected to each other and interlock, when making that the first adjusting lever 220 is relative with the second adjusting lever 222 to be rotated, support plate 226 can move thereupon.Detection module 24 comprises multiple colourity sensing meter 240 and illumination detection meter 242, on its first set-point being arranged at the first adjusting lever 220, second adjusting lever 222 and support plate 226 respectively and the second set-point, colourity and illumination detection can be carried out along with the movement of the first adjusting lever 220, second adjusting lever 222 and support plate 226 or rotation to image diverse location.Note that the position of the first set-point and the second set-point, is that the sensing points position of formulating according to ANSI is arranged, that is, the relative position of chromaticness measuring point 10 and illumination detection point 12 in Figure 1A and Figure 1B.In addition, detection module, in another specific embodiment, also only can comprise one of them of colourity sensing meter or illumination detection meter, is used for respectively carrying out 13 colourity sensings of Figure 1A or 16 illumination detection of Figure 1B.
First adjusting lever 220 of proportion switch mechanism 22 and the second adjusting lever 222 have first nodal point and the second central point respectively, and two central points are connected to each other and form rotating shaft, make the first adjusting lever 220 and the second adjusting lever 222 can be that axle center relatively rotates with rotating shaft.Four the 3rd adjusting levers 224 have first end 2240, second end 2242 and marginal tie point 2244 respectively, wherein, each tie point 2244 and the first adjusting lever 220 or the second adjusting lever 222 pivot joint, and articulated section is between rotating shaft and the end of the first adjusting lever 220 or the second adjusting lever 222.Four the 3rd adjusting levers 224 are connected to each other in the mode of first end 2240 pivot joint second end 2242 simultaneously, and then form four extension points 2246.Due to each tie point 2244 and the first adjusting lever 220 or the second adjusting lever 222 pivot joint, and each first end 2240 and the pivot joint mutually of each second end 2242, therefore each 3rd adjusting lever 224 and the first adjusting lever 220 and the second adjusting lever 222 form an interlocking system, that is, each unit on it can be made to carry out the movement of multiple position with plain connecting rod mechanism simultaneously.In other words, when the first adjusting lever 220 and the second adjusting lever 222 relatively rotate, each 3rd adjusting lever 224 also can carry out corresponding rotation causes extension point 2246 to move accordingly.The motion of the 3rd adjusting lever 224 or extension point 2246 also can drive the first adjusting lever 220 and the second adjusting lever 222 relatively to rotate conversely speaking.
As shown in Figure 2, the support plate 226 of this specific embodiment is arranged on each extension point 2246, it can move with extension point 2246, in detail, can drive when the first adjusting lever 220 and the second adjusting lever 222 rotate extend a little 2246 and the support plate 226 arranged thereon move accordingly, the colourity sensing meter 240 simultaneously on support plate 226 moves with illumination detection meter 242 colourity and the illumination that obtain diverse location on framework 20.In Fig. 2, proportion switch mechanism 22 comprises multiple 4th adjusting lever 2280 further, its two ends respectively with the first adjusting lever 220 and corresponding support plate 226 pivot joint.In addition, proportion switch mechanism 22 comprises multiple 5th adjusting lever 2282 further, its two ends respectively with the second adjusting lever 222 and corresponding support plate 226 pivot joint.4th adjusting lever 2280 and the 5th adjusting lever 2282 can strengthen the interlock between the first adjusting lever 220, second adjusting lever 222 and support plate 226.
The first adjusting lever 220, second adjusting lever 222 in Fig. 2 and the interlock between the 3rd adjusting lever 224 can be mapped to the ratio of the image that will detect.In this specific embodiment, image detection device 2 can comprise driver module 26 further, being used for driving first adjusting lever 220, second adjusting lever 222 and the 3rd adjusting lever 224 carries out interlock, counts the 242 specific positions of arrival to drive setting colourity sensing 240 thereon with illumination detection.The check point position that above-mentioned each specific position is formulated along with ratio and the ANSI of image and determining, for example, when tester will test the image of the ratio of 16:9, utilize driver module 26 that the first adjusting lever 220 and the second adjusting lever 222 can be driven to forward correspondence position to, the check point position that the image of ANSI to 16:9 is formulated aimed at by the colourity sensing meter 240 making to be arranged on both with illumination detection meter 242.Meanwhile, support plate 226 also moves accordingly, makes to be arranged at the sensing of colourity on it meter 240 and aims at the check point position that ANSI formulates with illumination detection meter 242.
See also Fig. 3 A to Fig. 3 C, Fig. 3 A to Fig. 3 C is the schematic diagram that the image detection device 2 of Fig. 2 detects the image of different proportion.For the purpose of simplified form, Fig. 3 A to Fig. 3 C eliminates the Reference numeral of some thin portion unit, and the Reference numeral of these unit can refer to shown in Fig. 2.In Fig. 3 A to Fig. 3 C, driver module 26 is connected on one of them support plate 226, and can control support plate 226 and move to drive other unit of proportion switch mechanism 22 to carry out interlock.Note that in this specific embodiment, driver module 26 can be two groups mutually back to the cylinder arranged, and promotes to change ratio by two cylinders.In addition, in practice, driver module 26 also can be directly connected on any unit of the mutual interlock of the first adjusting lever 220, second adjusting lever 222, the 3rd adjusting lever 224 or ratio adjusting mechanism 22, adjusts with comparative example switching mechanism 22.
As shown in Figure 3A, two cylinders all present the state inside contracted, the bottom support plate 226 be now connected with driver module 26 is in minimum position, be in the highest position relative to the top support plate 226 of bottom support plate 226, and the support plate 226 of the left and right sides is near rotating shaft or the center of proportion switch mechanism 22.Under this state, each colourity sensing meter 240 is applicable to detecting the less image of the ratio of width to height, the image of such as 4:3 with the position of each illumination detection meter 242.
Then, as shown in Figure 3 B, when driver module 26 wherein a cylinder inside contract and another cylinder extrapolation time, bottom support plate 226 is pushed upwardly a segment distance, simultaneously, the impact of interlock between each unit being subject to proportion switch mechanism 22, the first adjusting lever 220 and the second adjusting lever 222 relatively rotate an angle makes the top support plate 226 from originally the highest position by a drop-down segment distance, and the support plate 226 of the left and right sides from the position near rotating shaft respectively to extrapolation one segment distance.Under this state, each colourity sensing meter 240 is applicable to detecting the image that wide height is large image, such as 16:10 compared with 4:3 with the position of each illumination detection meter 242.
Further, as shown in Figure 3 C, when two cylinders of driver module 26 are all toward extrapolation, bottom support plate 226 is further pushed upwardly a segment distance from the position of Fig. 3 B, meanwhile, the impact of interlock between each unit being subject to proportion switch mechanism 22, the first adjusting lever 220 and the second adjusting lever 222 continue rotation one angle, make the top support plate 226 from the position of Fig. 3 B again by a drop-down segment distance, and the support plate 226 of the left and right sides from the position of Fig. 3 B respectively to extrapolation one segment distance.Under this state, each colourity sensing meter 240 is applicable to detecting the image that wide height is large image, such as 16:9 compared with 16:10 with the position of each illumination detection meter 242.
As above-mentioned, in this specific embodiment, driver module 26, by mutual two cylinders back to arranging, makes each support plate 226 move between three precalculated positions, and the first adjusting lever 220 and the second adjusting lever 222 are subject to interlock and can rotate mutually to three predetermined angulars simultaneously.By this, each colourity sensing meter 240 according to the image proportional of required detection, suitably can be adjusted to it and detects position to carry out the detection of image with illuminance transducer 242.Please note, the driver module 26 of this specific embodiment is made up of two cylinders, and ratio switching mechanism 22 can be driven to switch three kinds of different precalculated positions to detect the image of three kinds of different the ratio of width to height, but in practice, driver module 26 also can be made up of a motor, proportion switch mechanism 22 can be adjusted to any position by this motor, and then detects the image of various different the ratio of width to height.What is more, driver module 26 also can be made up of the device of the energy such as electric cylinder or electromagnet conducting power.
In sum, image detection device of the present invention has proportion switch mechanism, comprise the first adjusting lever of mutual interlock, the second adjusting lever and the 3rd adjusting lever, the colourity sensing of detection module is taken into account illumination detection meter and is then arranged on the unit of these mutual interlocks.When tester will detect the image of different proportion, only need to drive cylinder or motor by one group, the unit of these mutual interlocks can be adjusted to precalculated position, make colourity sensing take into account illumination detection meter and can adjust to the check point position meeting ANSI and formulate fast and expediently, and then the testing cost of the qualification rate of reduction detection machine.
By the above detailed description of preferred embodiments, be wish clearly to describe feature of the present invention and spirit, and not with above-mentioned disclosed preferred embodiment, category of the present invention limited.On the contrary, its objective is wish to contain various change and tool equality be arranged in the present invention institute in the category of the scope of the claims applied for.Therefore, the category of the scope of the claims that the present invention applies for should do the broadest explanation, with the arrangement causing it to contain all possible change and tool equality according to above-mentioned explanation.
Claims (5)
1. the proportion switch mechanism for Image detection, for in an image detection device, in arrange one colourity sensing take into account in an illumination detection at least one of them, this colourity sensing of this image detection device is taken into account this illumination detection meter and is used for an image of detection one electronic installation, and this proportion switch mechanism comprises:
One first adjusting lever, has a first nodal point;
One second adjusting lever, has one second central point, and this second central point and this first nodal point are connected to form a rotating shaft, makes this first adjusting lever and this second adjusting lever can with this rotating shaft for axle center relatively rotates;
Four the 3rd adjusting levers, there is a first end respectively, one second end and the tie point be positioned between this first end and this second end, the tie point of described four the 3rd adjusting levers respectively with this first adjusting lever or this second adjusting lever pivot joint, and articulated section is between this rotating shaft and the end of this first adjusting lever or the second adjusting lever, and the first end of each 3rd adjusting lever and the second end are connected to each other to form four with the second end of the 3rd adjacent adjusting lever and first end respectively extends point, described four movements extending point are to should the rotation of the first adjusting lever and this second adjusting lever, and
One support plate, be arranged at described four extend point one of them;
Wherein this first adjusting lever, this second adjusting lever and this support plate comprise at least one first set-point respectively in order to arrange this colourity sensing meter, and this first adjusting lever, this second adjusting lever and this support plate comprise at least one second set-point respectively in order to arrange this illumination detection meter.
2. proportion switch mechanism as claimed in claim 1, wherein this proportion switch mechanism also comprises:
One the 4th adjusting lever, two ends are this first adjusting lever of pivot joint and this support plate respectively; And
One the 5th adjusting lever, two ends are this second adjusting lever of pivot joint and this support plate respectively.
3. proportion switch mechanism as claimed in claim 1, wherein this proportion switch mechanism also comprises a driver module, this driver module connects wherein at least one of this first adjusting lever, this second adjusting lever, these the 3rd adjusting levers and this support plate, and drives this first adjusting lever, this second adjusting lever and described four the 3rd adjusting levers to carry out interlock.
4. proportion switch mechanism as claimed in claim 3, wherein this driver module comprises mutually back to one first cylinder arranged and one second cylinder, and this first cylinder and this this support plate of the second air cylinder driven move between three precalculated positions.
5. proportion switch mechanism as claimed in claim 3, wherein this driver module comprises motor, electric cylinder with wherein at least one of electromagnet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575415.2A CN103900685B (en) | 2012-12-26 | 2012-12-26 | For the proportion switch mechanism of Image detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575415.2A CN103900685B (en) | 2012-12-26 | 2012-12-26 | For the proportion switch mechanism of Image detection |
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| CN103900685A CN103900685A (en) | 2014-07-02 |
| CN103900685B true CN103900685B (en) | 2016-02-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387523Y (en) * | 1999-08-13 | 2000-07-12 | 致伸实业股份有限公司 | Measuring mechanism for measuring output ray of light of projector |
| CN202350917U (en) * | 2011-11-18 | 2012-07-25 | 苏州新锐电子工业有限公司 | Automatic illumination testing device of projector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM328572U (en) * | 2007-07-06 | 2008-03-11 | Icp Electronics Inc | Luminance sensing apparatus |
| US8390916B2 (en) * | 2010-06-29 | 2013-03-05 | Qualcomm Mems Technologies, Inc. | System and method for false-color sensing and display |
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2012
- 2012-12-26 CN CN201210575415.2A patent/CN103900685B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387523Y (en) * | 1999-08-13 | 2000-07-12 | 致伸实业股份有限公司 | Measuring mechanism for measuring output ray of light of projector |
| CN202350917U (en) * | 2011-11-18 | 2012-07-25 | 苏州新锐电子工业有限公司 | Automatic illumination testing device of projector |
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| CN103900685A (en) | 2014-07-02 |
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