CN103206948B - Viewing field amplifier of multi-GigE camera measuring system and application of viewing field amplifier - Google Patents
Viewing field amplifier of multi-GigE camera measuring system and application of viewing field amplifier Download PDFInfo
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- CN103206948B CN103206948B CN201310154017.8A CN201310154017A CN103206948B CN 103206948 B CN103206948 B CN 103206948B CN 201310154017 A CN201310154017 A CN 201310154017A CN 103206948 B CN103206948 B CN 103206948B
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Abstract
The invention discloses a viewing field amplifier of a multi-GigE (Gigabit Ethernet) camera measuring system, and an application of the viewing field amplifier. The viewing field amplifier is characterized in that an inverted-U-shaped camera support is arranged between a pair of longitudinally parallel linear guide rails; a GigE camera is fixedly arranged on the inverted-U-shaped camera support; the inverted-U-shaped camera support can drive the GigE camera to make longitudinal linear motion on the linear guide rails; a cross rod support is arranged between the linear guide rails horizontally; a reflector group is arranged on the cross rod support; the GigE camera uses the reflector group to obtain a measured viewing field on the side of the GigE camera; and the cross rod support can drive the reflector group to make longitudinal linear motion on the linear guide rails. The reflector group is adopted, and the viewing field on the side of a lens of the GigE camera can be transmitted to the lens of the GigE camera, so that unidirectional movement of the GigE camera is reduced; the measuring precision is improved; and the measuring time is shortened.
Description
Technical field
The present invention relates to a kind of many GigE camera lens field expander device and application thereof of many GigE camera measuring system.
Background technology
Many GigE camera large plane surveying system of the prior art is again along the distance that Y-direction translation one is more smaller than GigE viewing field of camera width after one group of GigE camera linear array scans in X direction, scan, minimum three scannings just can complete the scanning of a panel next time again.This camera arrangements is relatively simple for structure, but can introduce certain error after Y-direction translation, and repeatedly repeatedly scans the chronic of needs, can introduce repetitive error.Therefore, make whole measuring system Measuring origin many and larger, Measuring Time is relatively long.
Summary of the invention
The present invention is the weak point for avoiding existing for above-mentioned prior art, provides a kind of field expander device and application thereof of many GigE camera measuring system, to improve measuring accuracy and to reduce Measuring Time.
The present invention is that technical solution problem adopts following technical scheme:
The design feature of the field expander device of a kind of many GigE camera of the present invention measuring system is:
Between a pair line slideway longitudinally be arranged in parallel, camera support is set in "door" type, GigE camera is fixedly installed on "door" type camera support, and described "door" type camera support can drive GigE camera longitudinally to move linearly on described line slideway;
In being horizontally disposed with over brace between described a pair line slideway, described over brace arranges catoptron group, described GigE camera utilizes catoptron group to obtain the tested visual field being positioned at GigE camera side, and described over brace can drive catoptron group longitudinally to move linearly on described a pair line slideway.
The design feature of the field expander device of a kind of many GigE camera of the present invention measuring system is also:
In being horizontally disposed with a rectangle frame, described rectangle frame is slidedly assemblied between described a pair line slideway with ear on the left of it and right side ear, described over brace is front frame in described rectangle frame and after-frame, described catoptron group comprises the front frame catoptron group be arranged on described front frame and the after-frame catoptron group be arranged on described after-frame, before described GigE camera utilizes, frame catoptron group obtains the tested visual field being positioned at the left side of GigE camera, or utilize after-frame catoptron group to obtain the tested visual field being positioned at the right side of GigE camera, described rectangle frame longitudinally can move linearly on described a pair line slideway.
The feature of the field expander device using method of a kind of many GigE camera of the present invention measuring system is:
On described a pair line slideway, first over brace is shifted out tested visual field, more independent mobile camera support, make GigE camera longitudinally be obtained the tested visual field of GigE camera place longitudinal row;
On described a pair line slideway, first over brace is moved into tested visual field, then GigE camera is moved be positioned at above catoptron group, make described GigE camera can obtain tested visual field by catoptron group; Synchronizing moving camera support and over brace on described a pair line slideway subsequently, makes GigE camera longitudinally be obtained the tested visual field of GigE camera side longitudinal row.
The feature of the using method of the field expander device of a kind of many GigE camera of the present invention measuring system is also:
On described a pair line slideway, first over brace is shifted out tested visual field, more independent mobile camera support, make GigE camera longitudinally be obtained the tested visual field of GigE camera place longitudinal row;
On described a pair line slideway, first frame shift into tested visual field before in rectangle frame, then GigE camera is moved the top of former frame catoptron group, make described GigE camera can obtain by front frame catoptron group the tested visual field being positioned at the left side of GigE camera; Synchronizing moving camera support and rectangle frame on described a pair line slideway subsequently, makes GigE camera longitudinally be obtained the tested visual field of the left other longitudinal row of GigE camera.
On described a pair line slideway, first the after-frame in rectangle frame is moved into tested visual field, then GigE camera is moved above after-frame catoptron group, make described GigE camera can obtain by after-frame catoptron group the tested visual field being positioned at the right side of GigE camera; Synchronizing moving camera support and rectangle frame on described a pair line slideway subsequently, makes GigE camera longitudinally be obtained the tested visual field of the right other longitudinal row of GigE camera.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The present invention makes the visual field of GigE camera lens side can be transferred on GigE camera lens by arranging catoptron group.Decrease the movement in a GigE camera direction, therefore improve measuring accuracy, shorten Measuring Time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the main TV structure schematic diagram of the present invention;
Number in the figure: 1 line slideway; 2 camera supports; 3 cameras; Ear on the left of 4a; Ear on the right side of 4b; Frame before 5a; 5b after-frame; Frame catoptron group before 6a; 6b after-frame catoptron group.
Embodiment
See Fig. 1 and Fig. 2, in the present embodiment, the version of the field expander device of many GigE camera measuring system is:
Between a pair line slideway 1 longitudinally be arranged in parallel, camera support 2 is set in "door" type, GigE camera 3 is fixedly installed on "door" type camera support 2, and "door" type camera support 1 can drive GigE camera 3 longitudinally to move linearly on line slideway 1;
In being horizontally disposed with over brace between a pair line slideway 1, over brace arranges catoptron group, GigE camera utilizes catoptron group to obtain the tested visual field being positioned at GigE camera side, and over brace can drive catoptron group longitudinally to move linearly on a pair line slideway 1.The using method of the field expander device of this form is:
On a pair line slideway 1, first over brace is shifted out tested visual field, more independent mobile camera support 2, make GigE camera 3 longitudinally be obtained the tested visual field of GigE camera place longitudinal row;
On a pair line slideway 1, first over brace is moved into tested visual field, then GigE camera 3 is moved be positioned at above catoptron group, make GigE camera 3 can obtain tested visual field by catoptron group; Synchronizing moving camera support 2 and over brace on a pair line slideway 1 subsequently, makes GigE camera longitudinally be obtained the tested visual field of GigE camera side longitudinal row.
In concrete enforcement, as shown in Figure 1, the version of the field expander device of many GigE camera measuring system also can be: in being horizontally disposed with a rectangle frame, rectangle frame is slidedly assemblied between a pair line slideway 1 with ear 4a on the left of it and right side ear 4b, over brace is front frame 5a in rectangle frame and after-frame 5b, catoptron group comprises the front frame catoptron group 6a arranged on former frame 5a and the after-frame catoptron group 6b be arranged on after-frame 5b, GigE camera 3 utilizes front frame catoptron group 6a to obtain the tested visual field being positioned at the left side of GigE camera, or utilize after-frame catoptron group 6b to obtain the tested visual field being positioned at the right side of GigE camera, rectangle frame longitudinally can move linearly on a pair line slideway, the using method of the field expander device of this version is:
On a pair line slideway 1, first rectangle frame is shifted out tested visual field, more independent mobile camera support 2, make GigE camera 3 longitudinally be obtained the tested visual field of GigE camera place longitudinal row;
On a pair line slideway 1, first frame 5a before in rectangle frame is moved into tested visual field, again GigE camera 3 is moved the top of former frame catoptron group 6a, make GigE camera 3 can obtain by front frame catoptron 6a group the tested visual field (as shown in Figure 2) being positioned at the left side of GigE camera 3; Synchronizing moving camera support 2 and rectangle frame on a pair line slideway 1 subsequently, makes GigE camera 3 longitudinally be obtained the tested visual field of the left other longitudinal row of GigE camera.
Again on a pair line slideway 1, first the after-frame 5b in rectangle frame is moved into tested visual field, again GigE camera 3 is moved above after-frame catoptron group 6b, make GigE camera 3 can obtain by after-frame catoptron group 6b the tested visual field being positioned at the right side of GigE camera; Synchronizing moving camera support 2 and rectangle frame on a pair line slideway 1 subsequently, makes GigE camera longitudinally be obtained the tested visual field of the right other longitudinal row of GigE camera.
The present invention utilizes parallel plane mirror the principle of light ray parallel movement can be enable the camera lens of GigE camera realize arranging left and right two side one scanning of visual field when only moving forward and backward.
As shown in Figure 2, light ray parallel shifting principle can be when two flat mirror parallel by parallel plane mirror, a branch of and normal plane in same plane (or perpendicular to normal plane) and to inject after one of them level crossing through this flat mirror reflects to another level crossing with the light that level crossing is 45 °, emergent ray now and incident ray are 90 °, secondary reflection again after light to another level crossing, this mirror reflection ray and its incident ray are 90 °; So the emergent ray after two parallel plane mirrors is parallel with incident ray and direction is identical, the distance of position translation two plane-parallel mirror spacing of light.Be 45 ° by two groups of plane-parallel mirrors with the camera lens primary optical axis of its normal direction and GigE camera, and the mode that the camera lens primary optical axis of the normal of one of them plane mirror and GigE camera meets at plane mirror center is arranged, only the scanning that can realize two side areas need be moved forward and backward.Because the direction of scanning of whole system is along X-axis, is also move in the x-direction when GigE camera scanning both sides and zone line, meets abbe ' s principle, therefore substantially increasing mobile accuracy along the mode of X-axis scanning again than first moving to Y-axis again along X-axis scanning.Further, GigE camera system due to data volume large, the time of data transmission is longer than sweep time, so, GigE camera is moved forward and backward and is not affected the transmission time, can make to be reduced to 1/3rd of classic method sweep time.
The present invention is by improving mobile accuracy, the overlapping region area set during scanning can be made to reduce, and more close to rectangle, therefore volume of transmitted data minimizing, images match and splicing can be made simpler, make that subsequent treatment is simpler, computing is more saved time, thus whole measuring process can be made more accurately more to save time.
Claims (1)
1. a field expander device for the camera of GigE more than measuring system, is characterized in that:
Between a pair line slideway (1) longitudinally be arranged in parallel, camera support (2) is set in "door" type, GigE camera (3) is fixedly installed on "door" type camera support (2), and described "door" type camera support (1) can drive GigE camera (3) longitudinally to move linearly on described line slideway (1);
In being horizontally disposed with over brace between described a pair line slideway (1), described over brace arranges catoptron group, described GigE camera utilizes catoptron group to obtain the tested visual field being positioned at GigE camera side, and described over brace can drive catoptron group longitudinally to move linearly on described a pair line slideway (1);
In being horizontally disposed with a rectangle frame, described rectangle frame is slidedly assemblied between described a pair line slideway (1) with ear on the left of it (4a) and right side ear (4b), described over brace is front frame (5a) in described rectangle frame and after-frame (5b), described catoptron group comprises the front frame catoptron group (6a) be arranged on described front frame (5a) and the after-frame catoptron group (6b) be arranged on described after-frame (5b), before described GigE camera (3) utilizes, frame catoptron group (6a) obtains the tested visual field being positioned at the left side of GigE camera, after-frame catoptron group (6b) is utilized to obtain the tested visual field being positioned at the right side of GigE camera, described rectangle frame longitudinally can move linearly on described a pair line slideway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310154017.8A CN103206948B (en) | 2013-04-27 | 2013-04-27 | Viewing field amplifier of multi-GigE camera measuring system and application of viewing field amplifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310154017.8A CN103206948B (en) | 2013-04-27 | 2013-04-27 | Viewing field amplifier of multi-GigE camera measuring system and application of viewing field amplifier |
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| Publication Number | Publication Date |
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| CN103206948A CN103206948A (en) | 2013-07-17 |
| CN103206948B true CN103206948B (en) | 2015-03-25 |
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| CN103234568B (en) * | 2013-04-27 | 2015-08-05 | 合肥工业大学 | The field expander device of many GigE camera measuring system and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101324760A (en) * | 2007-06-12 | 2008-12-17 | 大日本网目版制造株式会社 | Depicting system, depicting apparatus and depicting method |
| CN101769717A (en) * | 2008-12-29 | 2010-07-07 | 株式会社三丰 | Extended range focus detection apparatus |
| CN102656445A (en) * | 2009-12-16 | 2012-09-05 | 宝洁公司 | Systems and methods for monitoring on-line webs using line scan cameras |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324760A (en) * | 2007-06-12 | 2008-12-17 | 大日本网目版制造株式会社 | Depicting system, depicting apparatus and depicting method |
| CN101769717A (en) * | 2008-12-29 | 2010-07-07 | 株式会社三丰 | Extended range focus detection apparatus |
| CN102656445A (en) * | 2009-12-16 | 2012-09-05 | 宝洁公司 | Systems and methods for monitoring on-line webs using line scan cameras |
Non-Patent Citations (2)
| Title |
|---|
| 中国优秀硕士学位论文全文数据库;刘彩章;《中国优秀硕士学位论文全文数据库》;20121231;全文 * |
| 多GigE相机高速视觉系统的架构与处理速度研究;李琪 等;《电子测量与仪器学报》;20100430;第24卷(第4期);第371-378页 * |
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