CN201957164U - Camera image transmitting device - Google Patents
Camera image transmitting device Download PDFInfo
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- CN201957164U CN201957164U CN2010205963277U CN201020596327U CN201957164U CN 201957164 U CN201957164 U CN 201957164U CN 2010205963277 U CN2010205963277 U CN 2010205963277U CN 201020596327 U CN201020596327 U CN 201020596327U CN 201957164 U CN201957164 U CN 201957164U
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Abstract
The utility model discloses a camera image transmitting device which is used for transmitting a camera image with high-definition at high speed. In the camera image transmitting device disclosed by the utility model, a camera is provided with an image sensing unit and an image preprocessing unit, wherein the image sensing unit is connected with the image preprocessing unit, the image transmitting device is provided with at least one USB (Universal Serial Bus) 3.0 interface and at least one SATA (Serial Advanced Technology Attachment) interface, wherein the USB 3.0 interface is connected with the image preprocessing unit, the SATA interface is connected with a hard disk controller for establishing a PPP (Point to Point Protocol) connection with a hard disk, and the hard disk controller is connected with the image preprocessing unit.
Description
Technical field
The utility model relates to technical field of image processing, relates in particular to a kind of camera review transmitting device.
Background technology
Traditional high-definition camera adopts USB2.0 or kilomega network, and perhaps 1394 interfaces or cameraLink image pick-up card carry out image data transmission and extracting, and video data is crawled after computer, stores in the hard disk.Because the maximum bandwidth of USB2.0 is 480Mbps, actual effective bandwidth is 30-35Mbytes/s, and the kilomega network maximum bandwidth is 1000Mbps, and 1394 interface maximum bandwidths are 400Mbps, all can't satisfy 1920*1080 resolution, the data bandwidth requirement that 60 frames are lined by line scan.Though the CameraLink image pick-up card can reach the above bandwidth of 6Gps, can satisfy full HD bandwidth requirement, need insert a CameraLink image pick-up card in computer, uses inconvenience, and with high costs.
On the other hand, because the writing speed of computer hard disc is limited, the CPU of operating system operation itself takies expense in addition, cause full HD data to enter after the computer, still can not realize the not real-time preservation of lost frames, handle large-capacity data like this simultaneously, its CPU usage is high, computer is difficult to carry out other large-scale computings when grasping and preserving data, limited practical application.
Though pass through compress technique, packed data bandwidth significantly, thereby use USB2.0, kilomega network etc. to realize the transmission of data, but data are after overcompression, and some image details incur loss, in some professional application fields, Industrial Image Detecting for example, the astronomical shooting, identification automatically, and high definition digital process photography aspect is unacceptable.
Therefore, await disclosing a kind of high speed high-definition camera image transmission.
The utility model content
Main purpose of the present utility model is to provide a kind of camera review transmitting device, with high speed high definition transmission camera review.
For reaching above-mentioned purpose, in the disclosed camera review transmitting device of the utility model, this video camera (for example: the CCD/CMOS imageing sensor) and image pretreatment unit (for example: FPGA graphics processing unit or DSP graphics processing unit) is provided with image sensing cell, this image sensing cell is connected with the image pretreatment unit, wherein, this image transmission is provided with at least one USB(Universal Serial BUS USB) 3.0 interfaces and at least one SATA(Serial Advanced Technology Attachment, Serial Advanced Technology Attachment) interface, this USB3.0 interface is connected with this image pretreatment unit, this SATA interface connects sets up the hard disk controller that PPP is connected with hard disk, and this hard disk controller connects this image pretreatment unit.
In a specific embodiment, this hard disk controller is provided with the parallel data splitter and is connected with two or more above-mentioned SATA interfaces.
In a specific embodiment, be provided with IDE-SATA adapter and IDE(Integrated Device Electronics in this hard disk controller, Integrated Device Electronics/integrated disk electrical interface) controller, this IDE controller connects above-mentioned image pretreatment unit, and the two ends of this SIDE-SATA adapter connect this IDE controller and this SATA interface respectively.Optionally, this parallel data splitter is connected between IDE controller and the image pretreatment unit.
Based on said structure of the present utility model, on the one hand, USB3.0 has the data bandwidth of 5.0Gb, actual data transfer rate can reach 250Mbyte/s to 300Mbyte/s, can satisfy the video transmission needs of full HD raw data format, also have bigger surplus capacity to handle more high-resolution video data simultaneously.On the other hand, the SATA interface can significantly be promoted to 3Gbps with transmission rate, and the utility model is by built-in hard disk controller, can realize not having the direct disk read-write of high-speed data that CPU participates in, discharged the cpu resource of outer computer, moreover, by a plurality of hard disks mode of concurrent reading and concurrent writings simultaneously, and then realized the not frame losing video storage of no bandwidth bottleneck.
Further, the utility model also is provided with first and second program updating unit that is connected with the SATA interface in the hard disk controller of above-mentioned camera review transmitting device, and described first and second program updating unit respectively is connected with at least one SATA interface; The wherein said first program updating unit is used for obtaining the ROMPaq of this hard disk controller and finishing upgrading processing through connected SATA interface; The described second program updating unit is used for obtaining through connected SATA interface the ROMPaq of image pretreatment unit, and this program is write described image pretreatment unit.In the utility model, the above-mentioned first program updating unit and second program unit can connect same SATA interface, also can be corresponding respectively two the parallel SATA interfaces that are connected in.Thus, the utility model can be by the upgrade internal processes of image pretreatment unit and hard disk controller of SATA interface, for the quick image transmission of high definition provides powerful guarantee, and significantly promote the subsequent expansion ability of this camera review transmitting device, be convenient to Breakdown Maintenance and processing.Further, above-mentioned USB3.0 interface also can be connected with the first and/or second program updating unit of described hard disk controller with upgrading hard disk controller and/or image pretreatment unit, preferable, the connection line of the described USB3.0 interface and first and/or second program unit is provided with switch, thereby effectively avoids the data generation path error imported into from USB3.0.
Preferable, can also between above-mentioned USB3.0 interface and hard disk controller, establish the transmission channel of a high-speed uploading and foradownloaded video data, and control uploading and downloading of USB3.0 interface data with above-mentioned hard disk controller, increased the transmission path of video data thus, thereby prevent the use inconvenience after the SATA interface damages, make the disclosed camera review processing unit of the utility model have better compatibility, autgmentability and the convenience that uses, simultaneously, for preventing data transmission disorder, can also come corresponding one by one and control the multiplexer channel of this hard disk controller with a plurality of touch switches.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment one disclosed camera review transmitting device;
Fig. 2 is the structural representation of the utility model specific embodiment two disclosed camera review transmitting devices.
[description of reference numerals]
1 image sensing cell, 41 parallel data splitters
2 image pretreatment units, 42,44 IDE controllers
3 USB3.0 interfaces, 43,45 IDE-SATA adapters
4 hard disk controllers, 5,6 SATA interfaces
47 second program updating unit, 46 first program updating unit
48 first switches, 49 second switches.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, the disclosed quick high-definition camera image processing apparatus of preferred embodiment of the present utility model comprises:
Image sensing cell 1, it is provided with camera, is used to gather original image, and commonly used have CCD or a cmos image sensing unit.
Image pretreatment unit 2, it is used for the original image from image sensing cell 1 that receives is carried out preliminary treatment, common processing mode can be based on FPGA(Field-Programmable Gate Array, field programmable gate array) or DSP(Digital Signal Processing, Digital Signal Processing).
Image after image pretreatment unit 2 is handled can transfer to USB3.0 interface 3, and in the transmission course, view data/frame exports hard disk to through USB3.0 in regular turn again after USB3.0 protocol layer, USB3.0 link layer and USB3.0 physical layer process; Meanwhile, the image after image pretreatment unit 2 is handled also can export hard disk to through hard disk controller 4 and the SATA interface 5 or 6 that connects thereof.Wherein, the SATA interface transmits data in the mode of sequential serial, can use higher operating frequency to improve the bandwidth of transfer of data under less bit wide, thereby satisfy the transmission requirement of quick high frequency imaging data; And the SATA interface uses embedded clock signal, has possessed stronger error correcting capability, if find wrong meeting automatic straightening, thereby has improved the camera review reliability of data transmission.
In the utility model, because SATA has adopted PPP (Point to Point Protocol, point-to-point protocol) connected mode, each SATA interface can only connect a hard disk, and the data bandwidth of single channel hard disk is generally 100Mbyte/s, thereby when the utility model is applied to handle high-resolution view data, also need further to increase the concurrent reading and concurrent writing that parallel interface quantity realizes a plurality of hard disks.As shown in Figure 1, this camera review transmitting device then is to handle the full HD view data of 1920*1080 with two parallel SATA interfaces, wherein, also comprise by parallel interface splitter integrated in the hard disk controller 4 41 and earlier the data of image pretreatment unit 2 outputs are carried out frame synchronization, channel decoding and the shunt of finishing data are handled, afterwards, one circuit-switched data through IDE controller 42 be converted to write the hard disk sequential after, again through the IDE-SATA adapter (because the interface that IDE and SATA transmit is inconsistent, the IDE-SATA adapter is used for ide interface and SATA interface are changed mutually) export SATA interface 5 to and outside hard disk A(is not shown), another circuit-switched data then through IDE controller 43 be converted to write the hard disk sequential after, transfer to SATA interface 6 and outside hard disk B(is not shown through IDE-SATA adapter 44 again).
Said structure based on present embodiment, on the one hand, USB3.0 has the data bandwidth of 5.0Gb, actual data transfer rate can reach 250Mbyte/s to 300Mbyte/s, can satisfy the video transmission needs of full HD raw data format, also have bigger surplus capacity to handle more high-resolution video data simultaneously.On the other hand, the SATA interface can significantly be promoted to 3Gbps with transmission rate, and the utility model is by built-in hard disk controller, can realize not having the direct disk read-write of high-speed data that CPU participates in, discharged the cpu resource of outer computer, moreover, by a plurality of hard disks mode of concurrent reading and concurrent writings simultaneously, and then realized the not frame losing video storage of no bandwidth bottleneck.
Embodiment two
Present embodiment is the improvement of having done on the basis of the foregoing description one.
In the present embodiment, as shown in Figure 2, also be provided with first and second program updating unit 46,47 that is connected with SATA interface 5,6 in the hard disk controller 4 of above-mentioned camera review transmitting device; The wherein said first program updating unit 46 is used for obtaining the ROMPaq of this hard disk controller and finishing upgrading processing through connected SATA interface 5; The described second program updating unit 47 is used for obtaining through connected SATA interface 6 ROMPaq of image pretreatment unit 2, and this program is write described image pretreatment unit 2.And above-mentioned USB3.0 interface 3 also is connected with first and second program updating unit 46,47 of described hard disk controller 1 with upgrading hard disk controller and image pretreatment unit, preferable for the data generation path error of effectively avoiding importing into from USB3.0, be respectively arranged with first switch 48 and second switch 49 on the connection line of the described USB3.0 interface and first and second program units.
Present embodiment is on the basis of embodiment one, can be by the upgrade internal processes of image pretreatment unit 2 and hard disk controller 4 of SATA interface 5,6 or USB3.0 interface 3, for the quick image transmission of high definition provides powerful guarantee, and the subsequent expansion ability of significantly having promoted this camera review transmitting device, be convenient to Breakdown Maintenance and processing.
Embodiment three
Present embodiment is further done following improvement on the basis of the foregoing description one and embodiment two:
Between above-mentioned USB3.0 interface and hard disk controller, establish the transmission channel of a high-speed uploading and foradownloaded video data, and control uploading and downloading of USB3.0 interface data with above-mentioned hard disk controller, increased the transmission path of video data thus, thereby prevent the use inconvenience after the SATA interface damages, make the disclosed camera review processing unit of the utility model have better compatibility, autgmentability and the convenience that uses, simultaneously, for preventing data transmission disorder, can also come corresponding one by one and control the multiplexer channel of this hard disk controller with a plurality of touch switches.
It should be noted that at last: above embodiment only is used to illustrate the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. camera review transmitting device, this video camera is provided with image sensing cell and image pretreatment unit, this image sensing cell is connected with the image pretreatment unit, it is characterized in that, this image transmission is provided with at least one USB3.0 interface and at least one SATA interface, this USB3.0 interface is connected with this image pretreatment unit, and this SATA interface connects sets up the hard disk controller that PPP is connected with hard disk, and this hard disk controller connects this image pretreatment unit.
2. camera review transmitting device according to claim 1 is characterized in that, this hard disk controller is provided with the parallel data splitter and is connected with two or more above-mentioned SATA interfaces.
3. camera review transmitting device according to claim 2, it is characterized in that, be provided with IDE-SATA adapter and IDE controller in this hard disk controller, this IDE controller connects above-mentioned image pretreatment unit, and the two ends of this SIDE-SATA adapter connect this IDE controller and this SATA interface respectively.
4. camera review transmitting device according to claim 3 is characterized in that, this parallel data splitter is connected between IDE controller and the image pretreatment unit.
5. camera review transmitting device according to claim 1 is characterized in that, also is provided with the transmission channel of a high-speed uploading and foradownloaded video data between this USB3.0 interface and the hard disk controller.
6. according to the arbitrary described camera review transmitting device of claim 1 to 5, it is characterized in that, described hard disk controller also is provided with first and second program updating unit that is connected with described SATA interface, and described first and second program updating unit respectively is connected with at least one SATA interface;
The described first program updating unit is used for obtaining the ROMPaq of this hard disk controller and finishing upgrading processing through connected SATA interface;
The described second program updating unit is used for obtaining through connected SATA interface the ROMPaq of image pretreatment unit, and this program is write described image pretreatment unit.
7. camera review transmitting device according to claim 6 is characterized in that, the described first program updating unit and second program unit connect same SATA interface.
8. camera review transmitting device according to claim 6 is characterized in that, described first and second program updating unit correspondence respectively is connected in two parallel SATA interfaces.
9. according to the arbitrary described camera review transmitting device of claim 7 to 8, it is characterized in that described USB3.0 interface also is connected with the first and/or second program updating unit of described hard disk controller.
10. camera review transmitting device according to claim 9 is characterized in that, the connection line of the described USB3.0 interface and first and/or second program unit is provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205963277U CN201957164U (en) | 2010-11-08 | 2010-11-08 | Camera image transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205963277U CN201957164U (en) | 2010-11-08 | 2010-11-08 | Camera image transmitting device |
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| Publication Number | Publication Date |
|---|---|
| CN201957164U true CN201957164U (en) | 2011-08-31 |
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| CN2010205963277U Expired - Lifetime CN201957164U (en) | 2010-11-08 | 2010-11-08 | Camera image transmitting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469290A (en) * | 2010-11-08 | 2012-05-23 | 北京星敏科信息技术有限公司 | Image transmission device of camera |
| CN102611544A (en) * | 2012-02-24 | 2012-07-25 | 康佳集团股份有限公司 | Wireless voice transmission system |
| CN102638649A (en) * | 2012-03-06 | 2012-08-15 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN103731667A (en) * | 2014-01-14 | 2014-04-16 | 昆山丘钛微电子科技有限公司 | USB 3.0 interface based camera product test device and method |
-
2010
- 2010-11-08 CN CN2010205963277U patent/CN201957164U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469290A (en) * | 2010-11-08 | 2012-05-23 | 北京星敏科信息技术有限公司 | Image transmission device of camera |
| CN102611544A (en) * | 2012-02-24 | 2012-07-25 | 康佳集团股份有限公司 | Wireless voice transmission system |
| CN102638649A (en) * | 2012-03-06 | 2012-08-15 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN102638649B (en) * | 2012-03-06 | 2014-06-11 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN103731667A (en) * | 2014-01-14 | 2014-04-16 | 昆山丘钛微电子科技有限公司 | USB 3.0 interface based camera product test device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |