CN201467299U - EPON video camera - Google Patents
EPON video camera Download PDFInfo
- Publication number
- CN201467299U CN201467299U CN2009201251567U CN200920125156U CN201467299U CN 201467299 U CN201467299 U CN 201467299U CN 2009201251567 U CN2009201251567 U CN 2009201251567U CN 200920125156 U CN200920125156 U CN 200920125156U CN 201467299 U CN201467299 U CN 201467299U
- Authority
- CN
- China
- Prior art keywords
- module
- epon
- video
- signal
- image sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Studio Devices (AREA)
Abstract
The utility model relates to an EPON video camera adopting the EPON (Ethernet Passive Optical Network) optical fiber communication technology. The video camera comprises a lens, an image sensor module and a controller, and is structurally characterized in that a video compress encoding module, an EPONONU module and an analog/digital video output interface module are also included, wherein the video compress encoding module carries out compressed encoding to the original images obtained by the image sensor module and encapsulates the original images into IP packet signals; the EPONONU module receives the IP packet signals sent by the video compress encoding module and completes optical fiber switch-in of the EPON; and the analog/digital video output interface module performs A/D conversion to the original images obtained by the image sensor module, and outputs analog or digital image signals. The EPON video camera can be suitable for remote networking transmission and control demands of large scale video camera, not only having the function of acquiring and outputting images, but also having the function of carrying out remote image transmission through optical fiber.
Description
Technical field
The utility model relates to a kind of video monitoring video camera, especially a kind of EPON video camera that adopts the EPON Fibre Optical Communication 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 complexity and complex management 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 transmits with the twisted-pair feeder access network based on ethernet by RJ45 output IP signal.But this video camera is wanted long-distance transmissions and networking, therefore needs extra IP network support, promptly needs extra transmission equipment, can cause system equipment complexity and complex management equally.And ordinary sharpness IP camera 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 G
The bit rank, the cost that carry out long-distance transmissions is very high, and cost 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 when wanting long-distance transmissions, need extra IP network support equally, also have the complicated and complex management problem of system equipment.In addition, the code stream of high definition IP video camera is much higher than the code stream of common IP video camera, is easy to cause the IP network blockage problem, and this has also greatly limited the extensive popularization and application of high definition IP video camera.
Summary of the invention
Technical problem to be solved in the utility model provide the extensive video camera of a kind of adaptation network at a distance the transmission and demand for control, especially network the at a distance transmission and the EPON video camera of demand for control of high-definition camera, the function that it not only has collection and output image has also possessed the function of carrying out the long-distance transmissions image by optical fiber 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;
Controller is used for image sensor module and camera lens are controlled;
Its design feature is also to comprise video compression coding module, EPON ONU module and analog/digital video output interface module, and 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; EPON ONU module, the IP that receiver, video compressed encoding module is sent wraps signal, and finishes the optical fiber access of EPON; 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 controller, camera lens are connected with the input of image sensor module, 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 EPON ONU module is connected with the output of video compression coding module.
EPON ONU module described in the utility model is made up of cpu system submodule, EPON MAC processing sub and uni interface submodule, cpu system submodule wherein, be used to monitor the configuring condition of the equipment that activates on all modules, and the state of supervision total interface, monitoring and execution are handled in real time, also handle the OAM(Operation Administration Maintenance) group simultaneously; EPON MAC processing sub is used to carry out EPON MAC access control, FEC verification and SERDES conversion; The uni interface submodule is used to finish the access of Ethernet and the conversion of EPON photosignal.
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: traditional video camera, as networking at a distance, need extra transmission equipment support, as video optical multiplexer, Video Codec, fiber optical transceiver etc., this has not only increased the cost of system, also increased the unreliability of system, for high-definition camera, then, be difficult to the advantage of real performance high definition owing to be subjected to the restriction of transmission performance; EPON is a kind of fiber broadband access network technology, is mainly used in to realize FTTH, promptly solves the broadband access problem of family.This video camera creatively combines with camcorder technology the EPON technology, make it not only have camera function, also possessed the ONU function in the EPON network, simplified the process that video camera is networked at a distance and transmitted greatly, can directly be connected with the OLT of EPON fiber optic network, logically EPON video camera is exactly a special ONU unit in the EPON network, can realize the directly remote fiber cluster of camera signal, and this networking is the EPON technology that adopts the broadband, this has increased transmission bandwidth greatly, even the video code flow of high-definition camera is arranged to more than the 20M, also can not influence the transmission performance of system, give full play to its high definition advantage.
Description of drawings
Fig. 1 is total decorum structural representation of the present utility model.
Fig. 2 is the structural representation of EPON ONU 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, controller 3, video compression coding module 4, analog/digital video output interface module 5, EPON ONU module 6.The output of controller 3, camera lens 1 are connected with the input of image sensor module 2, 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 EPONONU module 6 is connected with the output of video compression coding module 4.Wherein:
Image sensor module 2 adopts the MT9T031CMOS digital image sensor, and this transducer has 3,000,000 pixels, and ultimate resolution reaches 2048 * 1536;
Controller 3 adopts common single-chip microcomputer that the MT9T031CMOS digital image 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;
EPON ONU module 6 is realized by the ONU chip PAS6201 of a high conformability, PAS6201 has integrated central processing unit (ARM922), medium access control (MAC) and has also gone here and there and functions such as deserializer (SERDES), the network second layer (Layer 2), protocol conversion and packet buffer, PAS6201 reads the H.264 IP packet of compressed video from the video compression coding module, and sends in the EPON fiber optic network.
Image sensor module 2 is used to finish the photosignal conversion and the A/D conversion of picture signal, and the output digital image signal is to analog/digital video output interface module 5 and video compression coding module 4.Imageing sensor 2 both can adopt ccd image sensor, also can adopt cmos image sensor.
Controller 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, 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 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 EPON ONU module 6 receiver, video compressed encoding modules 4 are sent, and the optical fiber of finishing EPON inserts, can directly be connected after the IP vision signal process EPON ONU module 6, realize the remote networking and the transmission of this EPON video camera with the optical fiber of EPON network.
EPON ONU module 6 is made up of cpu system submodule 62, EPON MAC processing sub 61 and uni interface submodule 63, wherein:
EPON MAC processing sub 61 is used to carry out EPON MAC access control, FEC verification and SERDES conversion;
Referring to Fig. 3, when the utility model is applied to actual engineering, form by this EPON video camera I, fiber distribution network II and the III of Surveillance center.Each EPON video camera I optical fiber direct by the light mouth and among the fiber distribution network II is connected, and all EPON video camera I that are connected on the optical fiber are connected with the EPON OLT of the III of Surveillance center by fiber distribution network II.The EPON OLT of the III of Surveillance center receives all compressing video frequency flows that transmitted by EPON video 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.
Claims (3)
1. an EPON 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;
Controller is used for image sensor module and camera lens are controlled;
It is characterized in that: also comprise video compression coding module, EPON ONU 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;
EPON ONU module, the IP that receiver, video compressed encoding module is sent wraps signal, and finishes the optical fiber access of EPON;
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 controller, camera lens are connected with the input of image sensor module, 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 EPON ONU module is connected with the output of video compression coding module.
2. EPON video camera according to claim 1 is characterized in that: described EPON ONU module is made up of cpu system submodule, EPON MAC processing sub and uni interface submodule, wherein
The cpu system submodule is used to monitor the configuring condition of the equipment that activates on all modules, and monitors the state of total interface, and monitoring and execution are handled in real time, also handle the OAM(Operation Administration Maintenance) group simultaneously;
EPON MAC processing sub is used to carry out EPON MAC access control, FEC verification and SERDES conversion;
The uni interface submodule is used to finish the access of Ethernet and the conversion of EPON photosignal.
3. EPON video 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 |
|---|---|---|---|
| CN2009201251567U CN201467299U (en) | 2009-07-16 | 2009-07-16 | EPON video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201251567U CN201467299U (en) | 2009-07-16 | 2009-07-16 | EPON video camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201467299U true CN201467299U (en) | 2010-05-12 |
Family
ID=42394645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201251567U Expired - Lifetime CN201467299U (en) | 2009-07-16 | 2009-07-16 | EPON video camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201467299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938839A (en) * | 2012-11-13 | 2013-02-20 | 浙江宇视科技有限公司 | Monitoring front-end equipment and encoding server |
-
2009
- 2009-07-16 CN CN2009201251567U patent/CN201467299U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938839A (en) * | 2012-11-13 | 2013-02-20 | 浙江宇视科技有限公司 | Monitoring front-end equipment and encoding server |
| CN102938839B (en) * | 2012-11-13 | 2016-08-17 | 浙江宇视科技有限公司 | A kind of monitoring frontend and encoder server |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101616251B (en) | EPON video camera | |
| CN103167322B (en) | Image transmitting/receiving system based on Ethernet | |
| CN103188479B (en) | A kind of video monitoring system based on optical fiber interface and method for supervising thereof | |
| CN102014277B (en) | Video monitoring system, video monitoring method and spherical camera | |
| CN102497534B (en) | Distribution network full high definition video matrix system | |
| KR100703379B1 (en) | Wireless transmitting/receiving apparatus | |
| CN102769742A (en) | High-definition video multi-service optical transceiver | |
| CN206117891U (en) | Audio video collecting equipment | |
| CN101383786B (en) | Method for implementing data interchange between optical network terminal and customer terminal using household gateway | |
| CN103139550B (en) | One has output high definition three code stream video camera and video code flow complex method | |
| CN106572327B (en) | High-definition video acquisition and transmission system and method based on FPGA | |
| CN105323464B (en) | The collocation method of the video flowing exported from digital camera | |
| CN104427299A (en) | Ultra high definition video camera composite communication system and method | |
| CN103705260A (en) | Data transmitting system of digital medical imaging device based on optical fiber communications | |
| CN201467299U (en) | EPON video camera | |
| CN205160704U (en) | Integration streaming media service optical transmitter and receiver | |
| CN201504295U (en) | Video coder of EPON | |
| CN102170381B (en) | Unpacked data two-way transmission system and method based on gigabit Ethernet physical layer interface | |
| CN202019362U (en) | Non-compression data two-way transmission system based on Gigabit network physical layer interface | |
| CN101729890A (en) | Optical fiber self-healing ring network video encoder | |
| CN101692695A (en) | Optical fiber self-healing looped network camera | |
| CN206879009U (en) | A kind of multichannel HD SDI compressions multiplexing optical transmitter and receiver and distance transmission system | |
| CN101668209A (en) | EPON video encoder | |
| CN203193793U (en) | Camera with output high definition three bit stream | |
| CN201515462U (en) | Optical fiber self-healing ring network camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090716 |