CN202793322U - Quick self-feedback scanning system - Google Patents
Quick self-feedback scanning system Download PDFInfo
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- CN202793322U CN202793322U CN201220470890.9U CN201220470890U CN202793322U CN 202793322 U CN202793322 U CN 202793322U CN 201220470890 U CN201220470890 U CN 201220470890U CN 202793322 U CN202793322 U CN 202793322U
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Abstract
The utility model relates to a quick self-feedback scanning system, which comprises a computer, a projector control device and a scanning device with a projector and two cameras, wherein the projector control device comprises a central processing unit and an Ethernet interface unit, an input/output interface unit and a VGA (Video Graphics Array) driving unit connected with the central processing unit; the Ethernet interface unit is connected with the computer; the input/output interface unit is connected with the cameras; and the VGA driving unit is connected with the projector. The projector control device receives a command of the computer, and sends grating picture information to the projector; the projector control device collects camera external triggering enable signals which trigger the cameras to take photos; and the computer reads the cameras to take photos after the cameras are exposed. According to the quick self-feedback scanning system, grating data is unnecessary to write in the video card of the computer, and the computer is capable of processing data obtained from the cameras more efficiently; therefore, the scanning speed is high, the scanning effect is good, and the work efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of scanning system, relates in particular to a kind of quick self feed back scanning system.
Background technology
When the current scanline device scans, only need be connected with computer realization, the video card in its Computer links to each other with projector in the scanister, and two cameras in the scanister link to each other with computing machine again.Scanning process is: computing machine is write the information of projection grating in the video card, video card is controlling projection instrument projection grating again, projector is owing to there is sluggish characteristic, can not upgrade projection grating, computing machine must wait for a period of time at once, determines that projection finishes, gather again the data of taking pictures of two cameras, owing to can't detect the feedback signal of camera, computing machine must wait for that the picture transmission of two cameras is finished could next width of cloth raster of projection, and therefore whole scanning process also prolongs.Therefore, there is following shortcoming in this scan mode: 1, because the required optical grating projection of scanning relies on computer display card, so be not easy to expand to the control to many projector; 2, computing machine is required high, the photographed data that should gather camera is projection grating again, causes easily the sluggishness of optical grating projection; 3, trigger two cameras by computer software and take an order is arranged, it is asynchronous to cause two cameras to take pictures, and the data of three-dimensional modeling are impacted; 4, scan-data produces stripe interference easily; 5, sweep velocity is slow, and whole scanning process generally needs 4 seconds.
Summary of the invention
The utility model mainly solves original scanning system and relies on the computer display card projection grating, and sweep velocity is slow, the bad technical matters of scanning effect; A kind of quick self feed back scanning system is provided, it is by projector control device controlling projection instrument projection grating, computing machine only need be responsible for reading and processing the data that camera is taken, therefore effectively avoid the sluggishness of optical grating projection, make computing machine can process more efficiently the photographed data that obtains from camera, greatly improve sweep velocity and scanning effect.
The utility model solves in original scanning system the technical matters that a computing machine can only be controlled a projector simultaneously; A kind of quick self feed back scanning system is provided, and a computing machine can be controlled many projector control device, and then controls many projector and scan, and further improves scan efficiency.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises that computing machine, projector control device reach the scanning device with projector and two cameras, computing machine links to each other with the projector control device, the projector control device links to each other with projector, the projector control device also links to each other with described camera, and camera links to each other with described computing machine again.The grating pictorial information that has curing in the projector control device, the projector control device is accepted the order of computing machine, send the grating pictorial information to projector, the projection grating, and the projector control device gathers the camera external trigger and allows signal, the triggering camera is taken pictures, computing machine is by the mode of function readjustment, after camera exposure is finished, read the picture that camera is taken, the projector control device also gathers the camera feedback signal, after obtaining the camera exposure settling signal, the controlling projection instrument throws next amplitude grating, and so circulation is until scanning is finished.In the technical program, the grating pictorial information sends to projector by the projector control device, computer display card is not participated, no longer need in the scanning process constantly to write raster data toward computer display card, computing machine only need be responsible for reading and processing the data that camera is taken, and therefore effectively avoids the sluggishness of optical grating projection, makes computing machine can process more efficiently the data that obtain from camera, configuration requirement to computing machine is not high, reduces cost.Camera is taken pictures and is triggered by the projector control device, so that the three-dimensional data noise after the computer reconstruction is less, greatly reduces stripe interference, scans effective.Computing machine only need to send an order to the projector control device, just can obtain the data of whole scanning process, no longer need the projection of time-delay wait projector to finish and read again the camera photographed data, therefore sweep velocity improves greatly, after tested, whole scanning process only needs 1.8 seconds, greatly increases work efficiency.
As preferably, be connected with the Ethernet netting twine between described computing machine and the described projector control device, be connected with the VGA data line between projector control device and the projector, two cameras and projector control device among are connected with the feedback data line, all are connected with usb data line, 1394 data lines or Ethernet netting twine between two cameras and the computing machine.Adopt Ethernet to link to each other between computing machine and the projector control device, be convenient to expansion, namely a computing machine can be controlled many projector control device, and then controls many projector and scan.The projector control device allows signal and exposure completion signal by the external trigger that the feedback data line gathers camera, then transmitted signal triggers the camera shooting, send next grating picture to projector, guarantee that two cameras shootings are tending towards synchronous, so that the three-dimensional data noise after the computer reconstruction is less, greatly reduce stripe interference, scan effective.
As preferably, described projector control device comprises CPU (central processing unit), Ethernet interface unit, IO interface unit and VGA driver element and the power supply unit that operating voltage is provided for whole projector control device, Ethernet interface unit, IO interface unit and VGA driver element link to each other with described CPU (central processing unit) respectively, the Ethernet interface unit links to each other with described computing machine, the IO interface unit links to each other with described camera, and the VGA driver element links to each other with described projector.Store working routine and the grating pictorial information of projector control device in the CPU (central processing unit), the scan command that CPU (central processing unit) is sent by Ethernet interface unit receiving computer, send the grating pictorial information to projector by the VGA driver element, gather the camera working signal and send by the IO interface unit and take trigger command to camera.Projector control device in the technical program, simple in structure, it is convenient, stable and reliable for performance to realize.
As preferably, described projector control device comprises storage unit, and storage unit links to each other with described CPU (central processing unit).CPU (central processing unit) can select different components to realize as required, such as CPU single-chip microcomputer, FPGA field programmable gate array etc., can deal with the work more efficiently when the limited storage space of CPU (central processing unit) own or for CPU (central processing unit), can adopt storage unit to deposit the grating pictorial information.During scanning, CPU (central processing unit) is transferred the grating pictorial information in the storage unit, sends to the projector projects grating by the VGA driver element again.Storage space is large, can store more grating pictorial information.
As preferably, described projector control device comprises indicator unit, and indicator unit links to each other with described CPU (central processing unit).Indicator unit can comprise the pilot lamp that a plurality of light emitting diodes consist of, and plays the effect of indicating projector control device duty, such as power supply energising indication, transmission external trigger signal designation, the indication of transmission grating picture etc.
The beneficial effects of the utility model are: 1, the grating pictorial information sends to projector by the projector control device, computing machine only need be responsible for reading and processing the data that camera is taken, therefore effectively avoid the sluggishness of optical grating projection, make computing machine can process more efficiently the data that obtain from camera, the configuration requirement of computing machine is also reduced.2, camera is taken pictures and is triggered by the projector control device, guarantees two camera synchronization shootings, so that the three-dimensional data noise after the computer reconstruction is less, greatly reduces stripe interference, scans effective.3, computing machine only need to send an order to the projector control device, just can obtain whole scan-data, does not need time-delay to wait for that sweep velocity is fast, greatly increases work efficiency.4, computing machine links to each other by Ethernet with the projector control device, is convenient to expansion.
Description of drawings
Fig. 1 is a kind of system of the present utility model syndeton block diagram.
Fig. 2 is a kind of circuit theory syndeton block diagram of projector control device in the utility model.
1. computing machines among the figure, 2. projector control device, 3. scanning device, 4. projector, 5. camera, 6. Ethernet netting twine, 7.VGA data line, 8. feedback data line, 9.USB data line, 21. CPU (central processing unit), 22. Ethernet interface unit, 23. IO interface unit, 24.VGA driver element, 25. power supply unit, 26. storage unit, 27. indicator unit.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of quick self feed back scanning system of present embodiment, as shown in Figure 1, comprise the scanning device 3 that computing machine 1, projector control device 2 reach with projector 4 and two cameras 5, be connected with Ethernet netting twine 6 between computing machine 1 and the projector control device 2, be connected with VGA data line 7 between projector control device 2 and the projector 4, two cameras 5 and projector control device 2 amongs are connected with between 8, two cameras 5 of feedback data line and the computing machine 1 and all are connected with usb data line 9.As shown in Figure 2, projector control device 2 comprises CPU (central processing unit) 21, Ethernet interface unit 22, IO interface unit 23, VGA driver element 24, storage unit 26 and indicator unit 27 and the power supply unit 25 that operating voltage is provided for whole projector control device 2, Ethernet interface unit 22, IO interface unit 23, VGA driver element 24, storage unit 26 links to each other with CPU (central processing unit) 21 respectively with indicator unit 27, Ethernet interface unit 22 links to each other with computing machine 1 by Ethernet netting twine 6, IO interface unit 23 links to each other with camera 5 by feedback data line 8, and VGA driver element 24 links to each other with projector 4 by VGA data line 7.Projector control device in the present embodiment realizes that 24 look VGA drive, and the projection grating picture gathers the camera feedback signal and camera is carried out external trigger control, by Ethernet interface, and the data communication of realization and computing machine or miscellaneous equipment.
The course of work:
1. after the order that projector control device 2 is sent by Ethernet interface unit 22 receiving computers 1, pre-stored raster pictorial information in storage unit 26 is sent to projector 4 by VGA driver element 24, make projector 4 projections the first amplitude grating picture;
2. projector control device 2 allows signal by the external trigger that IO interface unit 23 gathers camera 5, allows signal in case receive the external trigger of camera 5, then sends signal triggering camera 5 and takes pictures;
3. after camera 5 is finished and taken pictures, can send a signal notice computing machine 1, then computing machine 1 reads the pictorial information that camera 5 is taken by usb data line 9;
4. projector control device 2 gathers the exposure completion signal of cameras 5 by IO interface unit 23, obtain camera 5 exposure completion signals after, then send the raster pictorial information to projector 4, make projector 4 next amplitude grating picture of projection;
5. repeating step 2., 3. and 4., until to last amplitude grating picture take pictures finish after, the end of scan.
As required, computing machine also can be transferred raster pictorial information and configuration information in the projector control device 2 by Ethernet, is used for inquiry, checks and files, and also can do other statistics, analysis, processing etc.The utility model sweep velocity is fast, scans effectively, greatly increases work efficiency.
Claims (5)
1. quick self feed back scanning system, it is characterized in that comprising that computing machine (1), projector control device (2) reach the scanning device (3) with projector (4) and two cameras (5), computing machine (1) links to each other with projector control device (2), projector control device (2) links to each other with projector (4), projector control device (2) also links to each other with described camera (5), and camera (5) links to each other with described computing machine (1) again.
2. a kind of quick self feed back scanning system according to claim 1, it is characterized in that being connected with Ethernet netting twine (6) between described computing machine (1) and the described projector control device (2), be connected with VGA data line (7) between projector control device (2) and the projector (4), two cameras (5) and projector control device (2) among are connected with feedback data line (8), all are connected with usb data line (9), 1394 data lines or Ethernet netting twine between two cameras (5) and the computing machine (1).
3. a kind of quick self feed back scanning system according to claim 1 and 2, it is characterized in that described projector control device (2) comprises CPU (central processing unit) (21), Ethernet interface unit (22), IO interface unit (23) and VGA driver element (24) and the power supply unit (25) that operating voltage is provided for whole projector control device (2), Ethernet interface unit (22), IO interface unit (23) links to each other with described CPU (central processing unit) (21) respectively with VGA driver element (24), Ethernet interface unit (22) links to each other with described computing machine (1), IO interface unit (23) links to each other with described camera (5), and VGA driver element (24) links to each other with described projector (4).
4. a kind of quick self feed back scanning system according to claim 3 is characterized in that described projector control device (2) comprises storage unit (26), and storage unit (26) links to each other with described CPU (central processing unit) (21).
5. a kind of quick self feed back scanning system according to claim 3 is characterized in that described projector control device (2) comprises indicator unit (27), and indicator unit (27) links to each other with described CPU (central processing unit) (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470890.9U CN202793322U (en) | 2012-09-17 | 2012-09-17 | Quick self-feedback scanning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470890.9U CN202793322U (en) | 2012-09-17 | 2012-09-17 | Quick self-feedback scanning system |
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| CN202793322U true CN202793322U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220470890.9U Expired - Lifetime CN202793322U (en) | 2012-09-17 | 2012-09-17 | Quick self-feedback scanning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927902A (en) * | 2012-09-17 | 2013-02-13 | 杭州先临三维科技股份有限公司 | Quickly self-feedback scanning system and control method thereof |
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2012
- 2012-09-17 CN CN201220470890.9U patent/CN202793322U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927902A (en) * | 2012-09-17 | 2013-02-13 | 杭州先临三维科技股份有限公司 | Quickly self-feedback scanning system and control method thereof |
| CN102927902B (en) * | 2012-09-17 | 2015-10-28 | 杭州先临三维科技股份有限公司 | Quick self feed back scanning system and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311215 No. 1398, Wenbin Road, Wenyan street, Xiaoshan District, Hangzhou, Zhejiang. Patentee after: SHINING 3D TECH Co.,Ltd. Address before: 311215 21 building, block A, Huarui center, 66 Xiaoshan Road, Hangzhou, Zhejiang. Patentee before: HANGZHOU SHINING 3D TECH Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |