CN206042200U - Digit high definition video monitored control system - Google Patents
Digit high definition video monitored control system Download PDFInfo
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- CN206042200U CN206042200U CN201620798604.XU CN201620798604U CN206042200U CN 206042200 U CN206042200 U CN 206042200U CN 201620798604 U CN201620798604 U CN 201620798604U CN 206042200 U CN206042200 U CN 206042200U
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Abstract
The utility model discloses a digit high definition video monitored control system, a serial communication port, including camera, CODEC, DVR end, storage device and real time monitoring module, CODEC has two, is a CODEC and the 2nd CODEC respectively, the video data of camera sends the 2nd CODEC through a CODEC on, then is sending the DVR end, during the DVR end sends storage device and real time monitoring module according to the video signal of difference with it to accomplish video monitoring.
Description
Technical field
This utility model is related to data signal transmission field, more particularly to a kind of digital high-definition video monitoring system.
Background technology
With regard to, on Video Surveillance Industry market of today, existing high-definition camera mainly adopts IP video cameras.And IP shootings
Machine is designed based on Ethernet, and the conventional physical transport medium of Ethernet is Category-5 twisted pair cable CAT5UTP.And it is traditional
CCTV networks be made up of RG59/RG6 coaxial cables, so existing CCTV systems directly cannot be dissolved into modern times height
In clear video monitoring system.CCTV systems also want rewiring in renewal of the equipment, this adds increased difficulty and cost.Additionally,
IP video cameras also suffer from the restriction of network speed and itself operational capability (100Mbps), are in general all to carry out data
Transmit after compression.And H.264/MPEG4/SVC the video source of video camera is compressed, the code stream after compression is in DVR (Digital
Video Recorder Digital video storage devices) storage is easy to, but just there is inconvenience monitor in real time is carried out.Receiving
End is accomplished by the decoding data；In addition, being typically all while receiving the input of compressed and multiplexed data, and show in receiving terminal
The of today decoding that can not carry out compressed and multiplexed data using software decoder, if using hardware decoder, its decoder into
This is again very high.
In addition, data are during transmission, when the operations such as compression, decompression, obvious hysteresis effect is had.Than
Such as, H264/MPEG5/SVC is the algorithm for compressing inter-frame redundancy, so having between original target and the video of reduction substantially
It is delayed.The video and realistic objective delay of about 0.5 second in the camera supervised rooms of general IP.So in monitor in real time
When, if occurring postponing, it is difficult to accomplish monitor in real time.
Furthermore, the physical transfer of IP video cameras is Ethernet.The transmission range of common Ethernet is 100 meters.And security system
The common demands of system are 300 meters.In order to extend the coverage of IP video cameras, it is necessary to install many switches, but these
The introducing of switch may directly result in the decline of system reliability and safety.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of digital high-definition video monitoring system
System, which can not directly be upgraded on traditional CCTV coaxial cable infrastructures in solving the problems, such as prior art.
The purpose of this utility model employs the following technical solutions realization：
This utility model provide a kind of digital high-definition video monitoring system, including video camera, coding decoder, DVR ends,
Storage device and real-time monitoring module, the coding decoder have two, are designated as the first coding decoder and the second coding respectively
Decoder；The video camera and the electric connection of the first coding decoder, first coding decoder and the second coding decoder
Be electrically connected with, second coding decoder and DVR ends are electrically connected with, the storage device, real-time monitoring module respectively with DVR
End is electrically connected with；The video signal of video camera is sent to DVR ends by the first coding decoder and the second coding decoder, described
DVR ends are sent to the video signal in storage device and real-time monitoring module.
Preferably, first coding decoder and the second coding decoder are electrically connected with by coaxial cable.
Preferably, the video signal includes un-compressed video signal and IP signals, and the DVR ends are used for will be described
Un-compressed video signal is sent in real-time monitoring module, and the DVR ends are additionally operable to for the IP signals to be sent to storage
In equipment.
Preferably, also including PTZ controllers, the PTZ controllers are electrically connected with the DVR ends, the PTZ controllers
Pass sequentially through DVR ends, the second coding decoder and the first coding decoder and a control signal is sent to video camera, so that shooting
The electric platform of machine controls the monitoring range of the video camera according to the control signal.
Preferably, the video camera is IP video cameras.
Preferably, the coding decoder includes physical layer (PHY, Physical Layer) module and coding/decoding module,
The physical layer block is electrically connected with the coding/decoding module；The physical layer block includes Ethernet data interface module.
Preferably, the coding/decoding module includes rectification/feedback unit function (AFE, Active Front End) mould
Block, ethernet control module, coding module, transport module, handshake module and decoder module, the rectification/feedback unit function
Module is electrically connected with the coding module, and the coding module, decoder module are electrically connected with ethernet control module respectively,
The coding module, decoder module are also electrically connected with handshake module respectively, and the decoder module is also electric with the transport module
Property connection.
Compared to existing technology, the beneficial effects of the utility model are：This utility model can compared with CCTV networks
Compatibility, can also realize transmitting multiclass signal on coax.This utility model had both solved IP monitoring system in prior art
The short problem of system transmission range, in solving prior art again, CCTV SDs simulated monitoring system is to digital high-definition monitoring system liter
Replacing cable is needed to cause relatively costly problem during level.
Description of the drawings
Fig. 1 provides the construction module figure of an embodiment for this utility model；
The structural representation of the coding/decoding module that Fig. 2 is provided for this utility model.
In figure：1st, video camera；2nd, the first coding decoder；3rd, the second coding decoder；4th, DVR ends；5th, storage device；6、
Real-time monitoring module；7th, PTZ controllers；8th, ethernet control module；9th, handshake module；10th, coding module；11st, transport module；
12nd, decoder module；13rd, AFE modules.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, this utility model is described further：
As shown in figure 1, this utility model provides a kind of digital high-definition video monitoring system, which includes front-end processing with after
End is processed, and front-end processing includes video camera 1 and the first coding decoder 2, and the video camera 1 is electrical with the first coding decoder 2
Connection.Back-end processing includes the second coding decoder 3, DVR ends 4, storage device 5 and real-time monitoring module 6.Second coding
Decoder 3 is electrically connected with DVR ends 4, and the storage device 5, real-time monitoring module 6 are electrically connected with the DVR ends 4 respectively.
First coding decoder 2 and the second coding decoder 3 are connected by coaxial cable.Video camera 1 is IP video cameras, and which can
HD video is provided.The video signal of video camera 1 is sent to the first coding decoder 2, and is sent to second by coaxial cable
Video data is being sent to DVR ends 4 by coding decoder 3, the second coding decoder 3, and then video signal is sent to reality by DVR
When monitoring module 6 and storage device 5 in.The video signal includes IP signals and the video signal without overcompression, without
The video signal of compression can be used for monitor in real time, should be 1080P without the form of the video data of overcompression.Because, due to not
The video signal for being compressed, is not in the phenomenons such as delay, can be used as the data of monitor in real time.And IP signals are referred to by H.264/
, there is certain delay in the video signal after MPEG4/SV compressions, it is impossible to enough Data Sources as monitor in real time.Therefore, DVR
The IP signals that end 4 receives are sent in storage device 5, will be sent to real-time monitoring module 6 without the video signal of overcompression.
That is to say, the video camera 1 can provide a kind of IP data, such as through regarding after H.264/MPEG4/SV compressing
Frequency evidence, additionally provides a kind of un-compressed video data, and its form is 1080P.Both video datas are led to by video camera 1
Cross the first coding decoder 2 and the second coding decoder 3 is sent to DVR ends 4, then IP data is activations are arrived by DVR ends 4 respectively
In storage device 5, un-compressed video data is sent in real-time monitoring module 6, for monitor in real time.
Preferably, the digital high-definition video monitoring system also includes PTZ controllers 7.The PTZ controllers 7 send one
Control signal, the control signal sequentially pass through DVR ends 4, the second coding decoder 3, the first coding decoder 2 and are sent to video camera
1 so that the electric platform of the video camera 1 controls the monitoring range of video camera 1 according to the control signal.
Can be with the various data signals of simultaneous transmission, such as IP signals, un-compressed video signal, control on the coaxial cable
Signal processed etc..In addition, first coding decoder 2 can also provide a direct current signal, for providing unidirectional current to video camera 1
Source, further reduces interconnection resource.
In traditional CCTV updating web TVs, it usually needs change all of cable installation, cause cost larger, and show
During CCTV updating web TVs of today, it is only necessary to change photographic head and be capable of achieving digital high-definition video monitoring function.Separately
Outward, the utility model uses coaxial cable transmission data, it is possible to achieve maximum 500 meters of distance of monitoring, solves in prior art
The short problem of IP monitoring system transmission ranges, also solve in prior art in CCTV SD simulated monitoring system escalation process
Need to change the problem of a large amount of cables, greatly reduce wire rod cost, save installation cost.
Preferably, first coding decoder 2 and the second coding decoder 3 all include PHY modules and coding/decoding mould
Block.PHY modules provide Ethernet data interface.Coding/decoding module is used for realizing coding, modulation and transfer function.Such as Fig. 2 institutes
Show, coding/decoding module includes AFE modules 13, handshake module 9, decoder module 12, coding module 10,8 and of ethernet control module
Transport module 11.The AFE modules 13 are electrically connected with the decoder module 12, and the decoder module 12 is controlled with the MII
Module is electrically connected with, and the coding module 10 is electrically connected with the ethernet control module 8, the decoder module 12, coding
Module 10 is electrically connected with handshake module 9 respectively.Transport module 11 is electrically connected with the coding module 10.Wherein AFE modules
13 are used for receiving IP data and un-compressed HD video data, and handshake module 9 is used for coding module 10 and decoder module
In 12 communication, such as coding module 10, coded key used can be sent in decoder module 12 by handshake module 9.Transmission
Module 11 is for the data flow after coding is sent.
Such as, when the video data of video camera 1 enters into the first coding decoder 2, un-compressed video data leads to
Video interface inflow is crossed, IP data are flowed into by Ethernet interface.Un-compressed video is through the first coding decoder 2
After the compression of coding/decoding module, a digital stream is generated together with IP data, coaxial cable is sent to by coaxial cable physical layer
On, in the other end of cable, the physical layer of coaxial cable receives signal and recovers digital stream, and IP data are connect through Ethernet data
Mouth sends, and un-compressed HD video data are sent to the coding/decoding module of the second coding decoder 3, then
Revert to original video to send through video interface.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of this utility model claim
Within the scope of.
Claims (7)
1. a kind of digital high-definition video monitoring system, it is characterised in that set including video camera, coding decoder, DVR ends, storage
Standby and real-time monitoring module, the coding decoder have two, are designated as the first coding decoder and the second coding decoder respectively；
The video camera and the first coding decoder are electrically connected with, and first coding decoder and the second coding decoder electrically connect
Connect, second coding decoder is electrically connected with DVR ends, and the storage device, real-time monitoring module are electrical with DVR ends respectively
Connection；The video signal of video camera is sent to DVR ends, the DVR ends by the first coding decoder and the second coding decoder
For the video signal is sent in storage device and real-time monitoring module.
2. digital high-definition video monitoring system as claimed in claim 1, it is characterised in that first coding decoder and second
Coding decoder is electrically connected with by coaxial cable.
3. digital high-definition video monitoring system as claimed in claim 1, it is characterised in that the video signal includes being uncompressed
Video signal and IP signals, the DVR ends for the un-compressed video signal is sent in real-time monitoring module,
The DVR ends are additionally operable to the IP signals are sent in storage device.
4. digital high-definition video monitoring system as claimed in claim 1, it is characterised in that also including PTZ controllers, the PTZ
Controller is electrically connected with the DVR ends, and the PTZ controllers pass sequentially through DVR ends, the second coding decoder and the first coding
Decoder sends a control signal to video camera, so that the electric platform of video camera controls the video camera according to the control signal
Monitoring range.
5. digital high-definition video monitoring system as claimed in claim 1, it is characterised in that the video camera is IP video cameras.
6. digital high-definition video monitoring system as claimed in claim 1, it is characterised in that the coding decoder includes physical layer
(PHY) module and coding/decoding module, the physical layer block are electrically connected with the coding/decoding module；The physical layer block
Including Ethernet data interface module.
7. digital high-definition video monitoring system as claimed in claim 6, it is characterised in that the coding/decoding module include rectification/
Feedback unit function (AFE) module, ethernet control module, coding module, transport module, handshake module and decoder module, institute
State rectification/feedback unit functional module to be electrically connected with the coding module, the coding module, decoder module respectively with ether
Net control module is electrically connected with, and the coding module, decoder module are also electrically connected with handshake module respectively, the decoder module
Also it is electrically connected with the transport module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798604.XU CN206042200U (en) | 2016-07-26 | 2016-07-26 | Digit high definition video monitored control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798604.XU CN206042200U (en) | 2016-07-26 | 2016-07-26 | Digit high definition video monitored control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206042200U true CN206042200U (en) | 2017-03-22 |
Family
ID=58309423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620798604.XU Active CN206042200U (en) | 2016-07-26 | 2016-07-26 | Digit high definition video monitored control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614870A (en) * | 2020-04-24 | 2020-09-01 | 北京中庆现代技术股份有限公司 | Distributed camera management system |
| CN111654657A (en) * | 2020-05-08 | 2020-09-11 | 北京中庆现代技术股份有限公司 | Recorded broadcast system supporting POC and COC |
-
2016
- 2016-07-26 CN CN201620798604.XU patent/CN206042200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614870A (en) * | 2020-04-24 | 2020-09-01 | 北京中庆现代技术股份有限公司 | Distributed camera management system |
| CN111654657A (en) * | 2020-05-08 | 2020-09-11 | 北京中庆现代技术股份有限公司 | Recorded broadcast system supporting POC and COC |
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| GR01 | Patent grant |