CN201515462U - Optical fiber self-healing ring network camera - Google Patents
Optical fiber self-healing ring network camera Download PDFInfo
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- CN201515462U CN201515462U CN 200920195702 CN200920195702U CN201515462U CN 201515462 U CN201515462 U CN 201515462U CN 200920195702 CN200920195702 CN 200920195702 CN 200920195702 U CN200920195702 U CN 200920195702U CN 201515462 U CN201515462 U CN 201515462U
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Abstract
The utility model discloses an optical fiber self-healing ring network camera using optical fiber self-healing ring network technique. The camera comprises a lens, an image sensor module, a control circuit, a video compression coding module, an optical fiber self-healing ring network module, a video compression coding module, and an analog/digital video output interface module, wherein a video compression coding module is used for compressing and coding the original images obtained by the image sensor module and packaging the original images to obtain the IP pack signal; the optical fiber self-healing ring network module receives the IP pack signal transmitted from the video compression coding module so as to achieve optical fiber access of the self-healing ring network of the IP pack signal; and the analog/digital video output interface module is used for converting the original images obtained by the image sensor module into analog or digital signals and outputting the analog or digital image signals. The camera can meet the requirement of long-distance and high-reliability network transmission and control of high-definition camera, and has not only image pickup function but also optical fiber self-healing ring networking and image transmission functions.
Description
Technical field
The utility model relates to a kind of video monitoring video camera, especially a kind of optical fiber self-healing looped network camera that adopts the optical fiber self-healing looped network network technology.
Background technology
Existing video monitoring mainly contains following a few class with video camera: ordinary sharpness analog video camera, ordinary sharpness IP video camera, high definition analog video camera, high-definition digital video camera.
Wherein, the common simulation video camera adopts vision cable to be connected with external equipment, when the needs long-distance transmissions, transmit,, thereby cause system equipment and management all comparatively complicated so it need install extra transmission equipment in the video camera back by video optical multiplexer or video encoder.
Ordinary sharpness IP video camera is built-in video compressing module enters Ethernet by RJ45 output IP signal and transmits.Though this video camera can be installed easily and carry out long-distance transmissions by IP network, video quality is very limited, is difficult to use professional domain, as public security video monitoring net, highway video monitoring net, financial video monitoring net etc.
The high definition analog video camera has very high video quality, but output is analog component signal, and as rgb signal, Y/U/V signal, Y-Pb-Pr signal, these signals can not carry out long-distance transmissions.
The high-definition digital video camera has digital interfaces such as SDI/DVI, HDMI, but the speed of these interfaces reaches more than several G, and the cost that carry out long-distance transmissions is very high, may use in monitoring hardly.
The high-definition digital video camera that also has is built-in video compressing module, and enter Ethernet by RJ45 output IP signal and transmit.But for the high-definition digital video camera, the code stream of compressed video only could real realize that 1080P is full HD about 20M, and the code stream of every road video 20M directly enters Ethernet and transmits, and way will be paralysed once network for a long time.So the code stream basic controlling of this class video camera is about 8M on the market, its definition is difficult to the requirement that reaches full HD.
Summary of the invention
Technical problem to be solved in the utility model provides remote, highly reliable networking transmission of the extensive video camera of a kind of adaptation and demand for control, especially the optical fiber self-healing looped network camera of remote, highly reliable networking transmission of high-definition camera and demand for control, it not only has the function of shooting, has also possessed the function of optical fiber self-healing looped network networking and images simultaneously.
The technical scheme in the invention for solving the above technical problem is: this video camera comprises
Camera lens is used to gather optical imagery, and optical imagery is focused on the image sensor module;
Image sensor module is used to finish the photosignal conversion and the A/D conversion of picture signal, and the output digital image signal;
Control circuit is used for image sensor module and camera lens are controlled;
It is characterized in that: also comprise video compression coding module, optical fiber self-healing looped network module and analog/digital video output interface module, wherein
The video compression coding module is carried out compressed encoding and is packaged into IP bag signal the original image that is obtained by image sensor module;
The optical fiber self-healing looped network module, the IP bag signal that receiver, video compressed encoding module is sent, and finish the self-healing looped network optical fiber access that IP wraps signal;
Analog/digital video output interface module is carried out the A/D conversion to the original image that is obtained by image sensor module, and output analog or digital picture signal;
The output of control circuit, camera lens are connected with the input of image sensor module, the input of the input of video compression coding module, analog/digital video output interface module is connected with the output of image sensor module, and the input of optical fiber self-healing looped network module is connected with the output of video compression coding module.
Optical fiber self-healing looped network module described in the utility model inserts submodule by CPU submodule, IP commutator module and optical fiber and forms, CPU submodule wherein, IP commutator module is carried out the initialization setting, and the operating state of optical fiber self-healing looped network camera place network is monitored; IP commutator module is carried out two layers of exchange to IP bag signal; Optical fiber inserts submodule, and photosignal is changed.
Optical fiber described in the utility model inserts submodule and is provided with two optical fiber interfaces.
The analog picture signal that analog/digital video output interface module described in the utility model is exported is composite video signal, rgb signal, Y/U/V signal or Y-Pb-Pr signal, and data image signal is SDI/DVI signal or HDMI signal
The utility model compared with prior art has following beneficial effect:
1, this optical fiber self-healing looped network camera creatively is applied to field of cameras to the optical fiber self-healing looped network technology, make this video camera not only have the function of shooting, the networking and the transfer function that have also possessed optical fiber self-healing looped network, filled up the market vacancy, not only greatly simplify the process that video camera is networked at a distance and transmitted, also greatly improved the reliability of the remote networking of video camera; 2, this optical fiber self-healing looped network camera can directly be connected with the optic fibre of looped network access device of Surveillance center by optical fiber interface, form a highly reliable self-healing looped network, logically an optical fiber self-healing looped network camera is exactly a special joint in the optical fiber self-healing looped network, this node not only has the optical fiber self-healing looped network function, also has camera function, so just realized the directly remote fiber cluster of video camera, also can form the cascade transmission network, when the remote fiber cluster of multiple cameras, do not need the support of additional transmissions equipment, save a large amount of fiber resources, reduced system cost; 3, integrated two optical fiber interfaces in this optical fiber self-healing looped network camera, these two optical fiber interfaces can be formed the optical fiber self-healing looped network network, when the fibercuts of somewhere, can not influence the signal transmission of whole optical fiber self-healing looped network camera network, improved the reliability of camera network; When 4, this optical fiber self-healing looped network camera is networked, adopt the optical fiber transmission technique in broadband, increased transmission bandwidth greatly, the optical fiber interface transmission rate is the highest can to reach 2.5G, even compressed video stream up to 20M, can not influence transmission performance yet, given full play to the high definition advantage.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of optical fiber self-healing looped network module in the utility model.
Fig. 3 is the structural representation of the utility model when being applied to actual engineering.
Embodiment
Referring to Fig. 1, present embodiment is made up of camera lens 1, image sensor module 2, control circuit 3, video compression coding module 4, analog/digital video output interface module 5, optical fiber self-healing looped network module 6.The output of control circuit 3, camera lens 1 are connected with the input of image sensor module 2, the input of the input of video compression coding module 4, analog/digital video output interface module 5 is connected with the output of image sensor module 2, and the input of optical fiber self-healing looped network module 6 is connected with the output of video compression coding module 4.Wherein:
Control circuit 3 adopts common single-chip microcomputer that MT9T031 cmos digital imageing sensor is carried out programming Control;
Video compression coding module 4 adopts Leonardo da Vinci's series DSP chip of TI, and H.264 compressed encoding and IP that this chip can be finished HD video seal dress;
The analog/digital video output interface module 5 main LATTICE SC Series FPGA chips that adopt design, and FPGA reads data image signal from MT9T031, and by the various traditional analog/digital vision signals of the last output of various processing.
Optical fiber self-healing looped network module 6 is realized by a technical grade exchange chip 88E6083-LGR and cpu chip MC9S12NEVTV.88E6083-LGR realizes two layers of function of exchange of IP bag, and MC9S12NEVTV realizes the self-healing looped network protocol function.88E6083-LGR reads the H.264 IP packet of compressed video from video compression coding module 4, and sends in the fiber optic network.
Control circuit 3 is used for image sensor module 2 and camera lens 1 are controlled, and comprises exposure control, Automatic white balance control and lens aperture control.
4 pairs of original images that obtained by image sensor module 2 of video compression coding module carry out compressed encoding and are packaged into IP bag signal, export optical fiber self-healing looped network module 6 then to, the compressed encoding form for H.264, MPEG2, MPEG4 or MJPEG.
Analog/digital video output interface module 5 is used for the original image that is obtained by image sensor module 2 is carried out the A/D conversion, and output analog or digital picture signal.Output image can be composite video signal (ordinary sharpness), rgb signal (common or high-definition image), Y/U/V signal (common or high-definition image), Y-Pb-Pr signal analog signals such as (common or high-definition images), also can be SDI/DVI signal (high-definition digital image), HDMI signal digital high-definition signals such as (high-definition digital images).
The IP bag signal that optical fiber self-healing looped network module 6 receiver, video compressed encoding modules 4 are sent, and finish the self-healing looped network optical fiber access that IP wraps signal, and form an optical fiber ring network network with the self-healing looped network fiber access device of Surveillance center.
Optical fiber self-healing looped network module 6 inserts submodule 63 by CPU submodule 62, IP commutator module 61 and optical fiber to be formed, wherein:
62 pairs of IP commutators of CPU submodule module 61 is carried out the initialization setting, and the operating state of optical fiber self-healing looped network camera place network is monitored, and when fibercuts, controls whole fiber optic network and finishes self-healing function;
61 pairs of IP bags of IP commutator module signal carries out two layers of exchange;
Optical fiber inserts 63 pairs of photosignals of submodule and changes, and optical fiber inserts submodule 63 and be provided with two optical fiber interfaces, and the digital video signal of optical fiber interface output both can be the vision signal of digital compression, also can be digital incompressible vision signal.
Referring to Fig. 3, when the utility model is applied to actual engineering, form by this optical fiber self-healing looped network camera I, optical fiber II and the III of Surveillance center.Each optical fiber self-healing looped network camera I is connected with optical fiber II by optical fiber interface, and final the connection with the self-healing looped network optical access device of the III of Surveillance center forms a ring network structure, and the speed of optical fiber interface can be 100M, 1.25G or 2.5G.The self-healing looped network optical access device of the III of Surveillance center receives the compressing video frequency flow that all are transmitted by optical fiber self-healing looped network camera I, enter IP-SAN by Ethernet switch carries out the network storage to these compressing video frequency flows on the one hand, enters on the other hand to show at video wall after Video Decoder is reduced into analog video signal (ordinary sharpness video) or the non-compressed word vision signal of high definition (HDMI signal).
Claims (4)
1. an optical fiber self-healing looped network camera comprises
Camera lens is used to gather optical imagery, and optical imagery is focused on the image sensor module;
Image sensor module is used to finish the photosignal conversion and the A/D conversion of picture signal, and the output digital image signal;
Control circuit is used for image sensor module and camera lens are controlled;
It is characterized in that: also comprise video compression coding module, optical fiber self-healing looped network module and analog/digital video output interface module, wherein
The video compression coding module is carried out compressed encoding and is packaged into IP bag signal the original image that is obtained by image sensor module;
The optical fiber self-healing looped network module, the IP bag signal that receiver, video compressed encoding module is sent, and finish the self-healing looped network optical fiber access that IP wraps signal;
Analog/digital video output interface module is carried out the A/D conversion to the original image that is obtained by image sensor module, and output analog or digital picture signal;
The output of control circuit, camera lens are connected with the input of image sensor module, the input of the input of video compression coding module, analog/digital video output interface module is connected with the output of image sensor module, and the input of optical fiber self-healing looped network module is connected with the output of video compression coding module.
2. optical fiber self-healing looped network camera according to claim 1 is characterized in that: described optical fiber self-healing looped network module inserts submodule by CPU submodule, IP commutator module and optical fiber to be formed, wherein
The CPU submodule carries out the initialization setting to IP commutator module, and the operating state of optical fiber self-healing looped network camera place network is monitored;
IP commutator module is carried out two layers of exchange to IP bag signal;
Optical fiber inserts submodule, and photosignal is changed.
3. optical fiber self-healing looped network camera according to claim 2 is characterized in that: described optical fiber inserts submodule and is provided with two optical fiber interfaces.
4. optical fiber self-healing looped network camera according to claim 1, it is characterized in that: the analog picture signal that described analog/digital video output interface module is exported is composite video signal, rgb signal, Y/U/V signal or Y-Pb-Pr signal, and data image signal is SDI/DVI signal or HDMI signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920195702 CN201515462U (en) | 2009-09-14 | 2009-09-14 | Optical fiber self-healing ring network camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920195702 CN201515462U (en) | 2009-09-14 | 2009-09-14 | Optical fiber self-healing ring network camera |
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| Publication Number | Publication Date |
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| CN201515462U true CN201515462U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920195702 Expired - Lifetime CN201515462U (en) | 2009-09-14 | 2009-09-14 | Optical fiber self-healing ring network camera |
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| CN (1) | CN201515462U (en) |
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2009
- 2009-09-14 CN CN 200920195702 patent/CN201515462U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 310012 Xihu District, Zhejiang Province, Wensanlu Road, No. 20, Zhejiang construction building, layer 17, Patentee after: OB Telecom Electronics Co., Ltd. Address before: 17 building, building 20, building 310012, Xihu District, Zhejiang, Hangzhou, Wensanlu Road Patentee before: Hangzhou OB Telecom Electronic Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
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| CX01 | Expiry of patent term |