CN108124136B - A kind of camera data transmission system - Google Patents
A kind of camera data transmission system Download PDFInfo
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- CN108124136B CN108124136B CN201810048784.3A CN201810048784A CN108124136B CN 108124136 B CN108124136 B CN 108124136B CN 201810048784 A CN201810048784 A CN 201810048784A CN 108124136 B CN108124136 B CN 108124136B
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Abstract
The present invention relates to video monitoring transmission field more particularly to a kind of camera data transmission systems.Increase a kind of coaxial video monitoring Transmission system between multiple twin line interface input terminal and camera, the coaxial video monitors Transmission system and is formed by transmitting front end system, video monitoring transmission trunking system and video monitoring transmission end system by video monitoring, amplification module is transmitted by the signal of video monitoring transmission trunking system, realization amplifies signal, realizes remote transmission.
Description
This case is with the applying date on 07 24th, 2015, entitled " a kind of coaxial application No. is 201510440060.X
The divisional application that the patent of invention of cable video monitoring Transmission system " carries out for female case.
Technical field
The present invention relates to video monitoring transmission fields more particularly to a kind of coaxial video to monitor Transmission system.
Background technique
With the development of video monitoring, digital video monitor system becomes video monitoring Developing mainstream, and transmission range is got over
Come remoter at other most focus, but the Video Monitor System transmitted on coaxial line currently on the market generally can only
Carry out data transmission within 300-1000 meters, cannot achieve remote transmission, and need to increase equipment, increase investment at
This solves remote transmission and asks therefore, it is necessary to realize a kind of coaxial network video monitoring system that may be implemented to transmit at a distance
Topic.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of coaxial video monitoring Transmission system, long distance is realized
It is transmitted from data.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of coaxial video monitoring Transmission system, the coaxial video monitoring Transmission system and multiple twin line interface
Input terminal connection, the coaxial video monitoring Transmission system are connect with camera；
The coaxial video monitoring Transmission system includes video monitoring transmission front end system, video monitoring transmission trunking
System and video monitoring transmit end system；
The video monitoring transmission front end system is connect with multiple twin line interface input terminal；The video monitoring transmits front end system
System is connect by the first coaxial cable with video monitoring transmission trunking system；
The video monitoring transmission trunking system is transmitted end system with video monitoring by the second coaxial cable and is connect；
The video monitoring transmission end system is connect with camera；
The video monitoring transmission trunking system includes data flow storage forwarding module, signal transmission amplification module and first
Signal crosses flow module；
The data flow storage forwarding module is connect with signal transmission amplification module；
The signal transmission amplification module transmits front end system with video monitoring by the first coaxial cable and connect；The letter
Number transmission amplification module is connect by the second coaxial cable and video monitoring transmission end system；
First signal is crossed flow module and is connect with the first coaxial cable；
First signal is crossed flow module and is connect with the second coaxial cable.The beneficial effects of the present invention are: in twisted pair
Increase a kind of coaxial video monitoring Transmission system, coaxial video monitoring transmission between interface input terminal and camera
System transmits end system group by transmitting front end system, video monitoring transmission trunking system and video monitoring by video monitoring
At, amplification module is transmitted by the signal of video monitoring transmission trunking system, realizes and signal is amplified, the remote biography of realization
It is defeated.
Detailed description of the invention
Fig. 1 is that a kind of coaxial video of the specific embodiment of the invention monitors the structural schematic diagram of Transmission system；
Label declaration:
1, multiple twin line interface input terminal；2, coaxial video monitors Transmission system；21, video monitoring transmits front end system
System；22, video monitoring transmission trunking system；221, data flow stores forwarding module；222, signal transmits amplification module；223,
One signal crosses flow module；23, video monitoring transmits end system；24, the first coaxial cable；25, the second coaxial cable；3, it images
Head.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: increasing a kind of coaxial cable between multiple twin line interface input terminal and camera
Video Monitor System, the coaxial video monitor Transmission system by transmitting front end system, video prison by video monitoring
Transmission trunking system and video monitoring transmission end system composition are controlled, is put by the signal transmission of video monitoring transmission trunking system
Big module, realization amplify signal, realize remote transmission.
Please refer to Fig. 1, a kind of coaxial video monitoring Transmission system provided by the invention, the coaxial video prison
Control Transmission system 2 is connect with multiple twin line interface input terminal 1, and the coaxial video monitoring Transmission system 2 and camera 3 connect
It connects；
The coaxial video monitoring Transmission system 2 includes video monitoring transmission front end system 21, video monitoring transmission
Relay system 22 and video monitoring transmit end system 23；
The video monitoring transmission front end system 21 is connect with multiple twin line interface input terminal 1；Before the video monitoring transmission
End system 21 is connect by the first coaxial cable 24 with video monitoring transmission trunking system 22；
The video monitoring transmission trunking system 22 transmits end system 23 with video monitoring by the second coaxial cable 25
Connection；
The video monitoring transmission end system 23 is connect with camera 3；
The video monitoring transmission trunking system 22 includes data flow storage forwarding module 221, signal transmission amplification module
222 and first signal cross flow module 223；
The data flow storage forwarding module 221 is connect with signal transmission amplification module 222；
The signal transmission amplification module 222 transmits front end system 21 with video monitoring by the first coaxial cable 24 and connects
It connects；The signal transmission amplification module 222 transmits end system 23 with video monitoring by the second coaxial cable 25 and connect；
First signal is crossed flow module 223 and is connect with the first coaxial cable 24；
First signal is crossed flow module 223 and is connect with the second coaxial cable 25.
As can be seen from the above description, the beneficial effects of the present invention are: increase between multiple twin line interface input terminal and camera
Add a kind of coaxial video monitoring Transmission system, before which monitors Transmission system by being transmitted by video monitoring
End system, video monitoring transmission trunking system and video monitoring transmission end system composition, pass through video monitoring transmission trunking system
The signal of system transmits amplification module, and realization amplifies signal, realizes remote transmission.Further, the video monitoring
Transmission trunking system can also carry out multi-stage cascade as needed, to realize farther Distance Transmission.
Further, the video monitoring transmission front end system includes video data stream transceiver module, video control management
Module, Ethernet data conversion module, mixed signal processing transmission module and second signal cross flow module；
The video data stream transceiver module is connect with multiple twin line interface input terminal；
The video data stream transceiver module is connect with video control management module；
The video control management module is connect with Ethernet data conversion module；
The Ethernet data conversion module is connect with mixed signal processing transmission module；
The mixed signal processing transmission module is crossed flow module with second signal and is connect respectively with the first coaxial cable.
Further, the video controls management module, and for being converged and being exchanged to data, flow point class, VLAN draw
Point, QoS and priority processing；
QoS (Quality of Service) i.e. service quality.For network service, service quality includes the band of transmission
Wide, time delay, packet loss of data of transmission etc..It in a network can be by guaranteeing the bandwidth of transmission, the time delay for reducing transmission, dropping
The measures such as the packet loss and delay variation of low data are improved service quality.
Further, the mixed signal processing transmission module passes through medium independent interface and Ethernet data conversion module
Connection.
Further, the Ethernet data conversion module, the data for coming to the transmission of video data stream transceiver module
Signal carries out signal processing, and the MAC layer of the Ethernet data conversion module uses EPON agreement, will treated data-signal
Mixed signal processing transmission module is transferred to by MII interface to be for further processing.
Further, the mixed signal handles transmission module, is substantially carried out the mixed processing of signal, including data encoding
Decoding process, the conversion of A/D, D/A signal, modulating and demodulating signal, analog signal amplification, interface impedance transformation and coaxial cable connect
Mouthful；
Further, the digital signal tune that the mixed signal processing transmission module inputs Ethernet data conversion module
It is made as the low frequency analog carrier signal of 5-65MHz, is suitable for the remote transmission of coaxial cable；
Further, the analog signal amplification module has a low-noise amplifier and a power amplifier.Low noise
Acoustic amplifier can amplify processing to the faint analog signal received from the first cable, and power amplifier can be to needing to send
Analog signal carry out power amplification, be then communicated to the first coaxial cable；
Further, interface impedance transformation is suitable for mixed signal processing transmission module output impedance to be converted to
The impedance of coaxial cable transmission reduces signal power losses to reach impedance matching；
Further, the second signal crosses flow module, and input is the industrial-frequency alternating current of 60V, and output is connected to first
Coaxial cable can be powered next stage equipment by the first coaxial cable；
Seen from the above description, the effect of video monitoring transmission front end system be input from multiple twin line interface input terminal with
Too network data signal is by video data stream transceiver module, video control management module, Ethernet data conversion module, mixing letter
Number processing transmission module processing conversion after be transferred to the first coaxial cable；
Further, after video controls management module to handling from the received data of video data stream transceiver module,
It is transferred to data processing and storage forwarding that Ethernet data conversion module carries out MAC layer again, is then transferred to mixed signal again
Handle the mixed processing that transmission module carries out signal, the analog signal after processing conversion carries out signal amplification simultaneously, effect be to
Energy dissipation when imperial remote transmission, amplified modulated signal are transmitted downwards by the first coaxial cable；
Further, the video monitoring transmission trunking system, including data flow storage forwarding module, signal transmission amplification
Module and the first signal cross flow module；
The data flow storage forwarding module carries out storage forwarding to data-signal, is put by MII interface and signal transmission
Big module connection；
The signal transmission amplification module includes that two mixed signals handle transmission module；
Further, the MII phy interface of two mixed signals processing transmission mould in the signal transmission amplification module,
It is connected respectively with two MII MAC of data flow storage forwarding module；
Further, described two mixed signal processing transmission module coaxial cable interfaces are connected with external cable,
In cable interface front end system transmitted with video monitoring by the first coaxial cable connect, another cable interface passes through second
Coaxial cable is connect with video monitoring transmission end system；
First signal is crossed flow module and is connect respectively with the first, second coaxial cable, to provide power path；
Further, the video monitoring transmission end system includes video stream data transmitting-receiving process module, mixed signal
Handle transmission module, wireless signal transmission module and voltage transformation module；
The mixed signal processing transmission module is connect with the second coaxial cable；
The mixed signal processing transmission module is connect with video stream data transmitting-receiving process module；
The video stream data transmitting-receiving process module and camera wired connection；
The video stream data transmitting-receiving process module is connect with wireless signal transmission module；
The wireless signal transmission module and camera are wirelessly connected；
The voltage transformation module includes voltage input end and voltage output end；
The voltage input end is connect with the second coaxial cable；
The voltage output end is connect with camera.
Seen from the above description, it can be connected by wired mode between video monitoring transmission end system and camera,
It can wirelessly connect.
Further, video monitoring transmission end system is turned via the 60V power supply that the second coaxial cable inputs by voltage
Mold changing block is converted into 12V voltage and powers for video monitoring transmission end system and provide 12V electric source line interface and take electricity for camera,
The low frequency carrier signal that coaxial line is transferred to video monitoring transmission end system is handled by mixed signal processing transmission module,
Analog signal is demodulated into digital signal and is sent to video stream data transceiver module, video stream data Transmit-Receive Unit transmits data
Camera is output to by twisted pair to wireless signal transmitting unit and direct wire transmission to RJ45 interface.
Further, the voltage output end is connect by electric power connection line with camera.
Seen from the above description, voltage output end is connect by electric power connection line with camera, is generated after converting the voltage into
12V voltage be supplied to camera work.
Further, the video stream data transceiver module is connect by RJ45 interface with camera.
Seen from the above description, RJ45 interface is common Ethernet interface, the net for supporting 10M/s and 100M/s adaptive
Network connection speed.
Embodiment one
A kind of coaxial video provided by the invention monitors Transmission system, and the coaxial video monitors Transmission system
It is connect with multiple twin line interface input terminal, the coaxial video monitoring Transmission system is connect with camera；
The coaxial video monitoring Transmission system includes video monitoring transmission front end system, video monitoring transmission trunking
System and video monitoring transmit end system；
The monitoring transmission front end system is connect with multiple twin line interface input terminal；
The monitoring transmission front end system is connect by the first coaxial cable with video monitoring transmission trunking system；
The video monitoring transmission trunking system is transmitted end system with video monitoring by the second coaxial cable and is connect；
The video monitoring transmission end system is connect with camera；
The video monitoring transmission front end system includes video data stream transceiver module, video control management module, ether
Network data conversion module, mixed signal processing transmission module and second signal cross flow module；
The video monitoring transmission front end system includes video data stream transceiver module, video control management module, ether
Network data conversion module, mixed signal processing transmission module and second signal cross flow module；
The video data stream transceiver module is connect with multiple twin line interface input terminal；
The video data stream transceiver module is connect with video control management module；
The video control management module is connect with Ethernet data conversion module；
The Ethernet data conversion module is connect with mixed signal processing transmission module；
The mixed signal processing transmission module is crossed flow module with second signal and is connect respectively with the first coaxial cable.
The video data stream transceiver module and video control management module can use the IPMux SoC of Qualcomm Atheros Corporation
OPL-06650 chip realizes that the chip embeds a 32-bit MIPS-4KEc microprocessor, two gigabit ethernet interfaces,
One POS-PHY interface, a MDIO interface can store data, be classified, being forwarded, VLAN configuration, QoS and flowtube
The operation such as reason.Ethernet interface is connect with multiple twin line interface input terminal, and POS-PHY interface and Ethernet data conversion module connect
It connects；
The Ethernet data conversion module, the data-signal for coming to the transmission of video data stream transceiver module carry out letter
Number processing, the module can realize that the chip includes a MII MAC interface with the OPL-06351 chip of Qualcomm Atheros Corporation,
One POS-PHY interface and related data packets processing unit, MII MAC interface are connect with mixed signal processing transmission module,
POS-PHY interface is connect with SOC chip；
OPL-06351 chip uses the MAC protocol of EPON, has Dynamic Bandwidth Allocation (DBA) mechanism, it can be achieved that carrier class
Operation and maintenance, support video, voice-and-data business access.
The mixed signal processing transmission mould, is substantially carried out the mixed processing of signal, including data encoding decoding process, A/
D, D/A signal is converted, modulating and demodulating signal, analog signal amplification, interface impedance transformation and coaxial cable interface, at all signals
Reason can be completed with OPL-06330 chip.The high performance 8-bit A/D D/A converter of OPL-06330 core Embedded, using elder generation
Into multistage vestigial sideband modulation (VBS) technology and adaptive channel adaptation algorithm, modulated carrier frequencies are within the scope of 5-65MHz
It is adjustable, it is possible to provide flexible, weighed, high speed physical layer transceiver rate.The MII phy interface and OPL- of OPL-06330 chip
The MII MAC interface of 06351 chip is connected, and the Simulation scale-up output of OPL-06330 chip passes through an impedance Transformation Matching electricity
Road is connected to coaxial cable interface.
The video monitoring transmission trunking system includes data flow storage forwarding module, signal transmission amplification module and first
Signal crosses flow module；
The data flow storage forwarding module is connect with signal transmission amplification module；
The signal transmission amplification module transmits front end system with video monitoring by the first coaxial cable and connect；The letter
Number transmission amplification module is connect by the second coaxial cable and video monitoring transmission end system；
First signal is crossed flow module and is connect with the first coaxial cable；
First signal is crossed flow module and is connect with the second coaxial cable.
The available data storage forwarding exchange chip based on two layers of the data flow storage forwarding module is realized, MII is passed through
Interface is connect with signal transmission amplification module；
There are two the mixed signals with MII phy interface to handle transmission module group inside the signal transmission amplification module
At；
Data flow storage forwarding is completed using RTL8306E exchange chip in the present embodiment, which connects there are two MII
Mouthful, it is operable with MAC mode, is connected respectively with the mixed signal processing transmission module with MII phy interface；
Mixed signal handles transmission module and uses and the mixed signal processing transmission mould in video monitoring transmission front end system
The identical technical solution of block, one of mixed signal processing transmission module are made the input/output terminal (IN/OUT mouthfuls) of signal, are led to
The first coaxial cable is crossed to connect with video monitoring transmission front end system；It is defeated that another mixed signal processing transmission module makees signal
Out/input terminal (OUT/IN mouthfuls) transmits end system with video monitoring by the second coaxial cable and connect.
First signal is crossed flow module and is connect respectively with the first, second coaxial cable, to provide power path, receives to come
From the 60V alternating current of the first coaxial cable, and passed through flow module and 60V electric current is transferred to the second coaxial cable, under supply
First device uses；
The video monitoring transmission end system includes video stream data transmitting-receiving process module, mixed signal processing transmission mould
Block, wireless signal transmission module and voltage transformation module；
The video stream data transceiver module is connect by FE Ethernet interface or wireless interface with camera, and MII is passed through
MAC interface is connect with the MII phy interface of mixed signal processing transmission module；
The video stream data transceiver module uses the OPL-06350 chip of Qualcomm Atheros Corporation, realizes the number of MAC layer
According to pack receiving and transmitting, scheduling, priority processing, Information Statistics etc.；
The mixed signal processing transmission module is used to handle with the mixed signal in video monitoring transmission front end system and be passed
The identical technical solution of defeated module and working principle, can reduce the technical difficulty and overall cost of whole system in this way, be convenient for
The implementation of technical solution of the present invention.
The mixed signal processing transmission module is connect with the second coaxial cable；
The mixed signal processing transmission module is connect with video stream data transmitting-receiving process module；
The video stream data transmitting-receiving process module and camera wired connection；
The video stream data transmitting-receiving process module is connect with wireless signal transmission module；
The wireless signal transmission module and camera are wirelessly connected；
The voltage transformation module includes voltage input end and voltage output end；
The voltage input end is connect with the second coaxial cable；
The voltage output end is connect with camera.
Wherein, the voltage output end is connect by electric power connection line with camera.
The video stream data transceiver module is connect by RJ45 interface with camera.
The process flow of the data-signal of the coaxial video monitoring Transmission system:
Downlink signal (multiple twin line interface input --- camera twisted pair output): the number inputted from uplink multiple twin line interface
It is believed that number being transferred to video data stream transceiver module, video data stream transceiver module transfers data to video control management mould
Block, video control management module handle data, after distributing respective bandwidth and priority, pass through the POS-PHY in chip
Interface passes to the data processing that Ethernet data conversion module carries out MAC layer, then passes to mixed signal processing by MAC interface
Transmission module is converted into analog signal, and carries out signal amplification, crosses flow module subsequently into second signal, then by signal overcurrent mould
The analog signal hybrid coupled of 60V power supply and conversion that block enters is output on the first coaxial cable, passes through the first coaxial cable
Signal is transferred to video monitoring transmission trunking system input port, the video flowing by video monitoring transmission trunking system enters number
After storing forwarding module according to stream, low frequency signal is converted to video stream data signal and turned by storage by the vision signal transmitted on route
After hair, it is sent to signal transmission amplification module, the video data of data flow storage forwarding is converted into amplified low frequency carrier signal
Signal, then be transferred on the second coaxial line, the first signal crosses flow module and carries out the 60V power supply on coaxial line to be transferred to coaxial electrical
It on cable, is transmitted for equipment below, the 60V power supply that transmission of video end system is transferred on coaxial line passes through voltage modulus of conversion
Block, which is converted into 12V voltage, powers for transmission of video end system and provides 12V electric source line interface and take electricity for camera, by coaxial line
The low frequency carrier signal for being transferred to transmission of video end system handles transmission module by mixed signal, passes through MII MAC interface
It is sent to video stream data transmitting-receiving process module, data are realized that the data packet of MAC layer is received by video stream data transmitting-receiving process module
Data are transferred to wireless signal transmission module and direct wire transmission after the processing such as hair, scheduling, priority processing, Information Statistics
Camera is output to by twisted pair to RJ45 interface.
Uplink signal (camera input --- multiple twin line interface output):
The video data that camera is included is transferred to mixing letter by being directly connected to FE Ethernet interface or wireless interface
Number processing transmission module carry out signal mixed processing, mixed signal processing transmission module signal is passed by MII MAC interface
It is defeated arrive video stream data transmitting-receiving process module, video stream data transmitting-receiving process module by data realize MAC layer data pack receiving and transmitting,
It is sent to mixed signal processing transmission module after scheduling, priority processing, Information Statistics etc. to connect with the second coaxial cable, passes through
Second coaxial cable enters video monitoring transmission trunking system will be on route after video flowing enters data flow storage forwarding module
Low frequency signal is converted to video stream data module and after storage forwarding, is sent to signal transmission amplification mould by the vision signal of transmission
The video data of data flow storage forwarding is converted to amplified low frequency carrier signal, then is transferred on the first coaxial line by block,
It is transferred to video monitoring transmission front end system, transmission module is handled into mixed signal, by MII MAC interface by low frequency carrier signal
Signal is transferred to Ethernet data conversion module, converts analog signals into Ethernet digital signal and carries out storage forwarding, to view
Frequency flow control management module handles data, is distributed after priority into video data stream transceiver module, is transferred to multiple twin
On line.
In conclusion a kind of coaxial video provided by the invention monitors Transmission system, in multiple twin line interface input terminal
Increase a kind of coaxial video monitoring Transmission system between camera, the coaxial video monitor Transmission system by by
Video monitoring transmits front end system, video monitoring transmission trunking system and video monitoring transmission end system composition, passes through video
The signal for monitoring transmission trunking system transmits amplification module, and realization amplifies signal, realizes remote transmission.By coaxial
Cable video monitoring Transmission system carries out data transmission, transmission range reach 5000m, can transmission of analogue signal can also transmit
Data-signal, and wireless camera covering is provided, meet wireless camera demand, supports transmission 60V power supply for transmission of video system
The power supply of system end, and 60V voltage is converted into 12V electric power connection line, electricity is taken for camera, and provide and divide VLAN, priority
Function ensures each camera data transmission, realizes the remote transmission of monitoring system.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of camera data transmission system, which is characterized in that Transmission system is monitored including camera and coaxial video,
The coaxial video monitoring Transmission system is connect with multiple twin line interface input terminal, the coaxial video monitoring transmission system
System is connect with camera；
The coaxial video monitoring Transmission system includes video monitoring transmission front end system, video monitoring transmission trunking system
End system is transmitted with video monitoring；
The video monitoring transmission front end system is connect with multiple twin line interface input terminal；The video monitoring transmission front end system is logical
The first coaxial cable is crossed to connect with video monitoring transmission trunking system；
The video monitoring transmission trunking system is transmitted end system with video monitoring by the second coaxial cable and is connect；
The video monitoring transmission end system is connect with camera；
The video monitoring transmission trunking system includes data flow storage forwarding module, signal transmission amplification module and the first signal
Cross flow module；
The data flow storage forwarding module is connect with signal transmission amplification module；
The signal transmission amplification module transmits front end system with video monitoring by the first coaxial cable and connect；The signal passes
Defeated amplification module transmits end system with video monitoring by the second coaxial cable and connect；
First signal is crossed flow module and is connect with the first coaxial cable；
First signal is crossed flow module and is connect with the second coaxial cable；
The available data storage forwarding exchange chip based on two layers of the data flow storage forwarding module is realized, MII interface is passed through
It is connect with signal transmission amplification module；
Mixed signal processing transmission module inside the signal transmission amplification module by two with MII phy interface forms；
First signal is crossed flow module and is connect respectively with the first, second coaxial cable, to provide power path, receives from the
The 60V alternating current of one coaxial cable, and passed through flow module and 60V electric current is transferred to the second coaxial cable, supply next stage
Equipment uses；
The mixed signal handles transmission module, is substantially carried out the mixed processing of signal, including data encoding decoding process, A/D,
The conversion of D/A signal, modulating and demodulating signal, analog signal amplification, interface impedance transformation and coaxial cable interface, all signal processings
It can be completed with OPL-06330 chip；Wherein, analog signal, which amplifies corresponding module, a low-noise amplifier and a power
Amplifier, low-noise amplifier amplify processing, power amplifier pair to the faint analog signal received from the first cable
The analog signal for needing to send carries out power amplification, is then communicated to the first coaxial cable.
2. a kind of camera data transmission system according to claim 1, which is characterized in that before the video monitoring transmission
End system includes video data stream transceiver module, video control management module, Ethernet data conversion module, mixed signal processing
Transmission module and second signal cross flow module；
The video data stream transceiver module is connect with multiple twin line interface input terminal；
The video data stream transceiver module is connect with video control management module；
The video control management module is connect with Ethernet data conversion module；
The Ethernet data conversion module is connect with mixed signal processing transmission module；
The mixed signal processing transmission module is crossed flow module with second signal and is connect respectively with the first coaxial cable.
3. a kind of camera data transmission system according to claim 2, which is characterized in that the video control management mould
Block, for carrying out VLAN division and priority processing to data.
4. a kind of camera data transmission system according to claim 2, which is characterized in that the mixed signal processing passes
Defeated module is connect by medium independent interface with Ethernet data conversion module.
5. a kind of camera data transmission system according to claim 2, which is characterized in that the Ethernet data conversion
Module, the data-signal for coming to the transmission of video data stream transceiver module carry out signal processing, the Ethernet data conversion
The MAC layer of module uses EPON agreement, and treated data-signal is transferred to mixed signal processing by MII interface and transmits mould
Block is for further processing.
6. a kind of camera data transmission system according to claim 1, which is characterized in that video monitoring transmission end
End system includes video stream data transmitting-receiving process module, mixed signal processing transmission module, wireless signal transmission module and voltage
Conversion module；
The mixed signal processing transmission module is connect with the second coaxial cable；
The mixed signal processing transmission module is connect with video stream data transmitting-receiving process module；
The video stream data transmitting-receiving process module and camera wired connection；
The video stream data transmitting-receiving process module is connect with wireless signal transmission module；
The wireless signal transmission module and camera are wirelessly connected；
The voltage transformation module includes voltage input end and voltage output end；
The voltage input end is connect with the second coaxial cable；
The voltage output end is connect with camera.
7. a kind of camera data transmission system according to claim 6, which is characterized in that the voltage output end passes through
Electric power connection line is connect with camera.
8. a kind of camera data transmission system according to claim 6, which is characterized in that the video stream data transmitting-receiving
Module is connect by RJ45 interface with camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048784.3A CN108124136B (en) | 2015-07-24 | 2015-07-24 | A kind of camera data transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048784.3A CN108124136B (en) | 2015-07-24 | 2015-07-24 | A kind of camera data transmission system |
| CN201510440060.XA CN104967831B (en) | 2015-07-24 | 2015-07-24 | A kind of coaxial video monitors Transmission system |
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| CN201510440060.XA Division CN104967831B (en) | 2015-07-24 | 2015-07-24 | A kind of coaxial video monitors Transmission system |
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| CN108124136A CN108124136A (en) | 2018-06-05 |
| CN108124136B true CN108124136B (en) | 2019-11-08 |
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| CN201810048784.3A Active CN108124136B (en) | 2015-07-24 | 2015-07-24 | A kind of camera data transmission system |
| CN201510440060.XA Active CN104967831B (en) | 2015-07-24 | 2015-07-24 | A kind of coaxial video monitors Transmission system |
| CN201810049337.XA Active CN108111824B (en) | 2015-07-24 | 2015-07-24 | A kind of long-distance video monitoring Transmission system |
| CN201810049882.9A Active CN108124137B (en) | 2015-07-24 | 2015-07-24 | A kind of transmission of streams of video data system |
| CN201810049877.8A Active CN108040237B (en) | 2015-07-24 | 2015-07-24 | A kind of Video Monitor System of achievable data priority distribution |
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| CN201810049337.XA Active CN108111824B (en) | 2015-07-24 | 2015-07-24 | A kind of long-distance video monitoring Transmission system |
| CN201810049882.9A Active CN108124137B (en) | 2015-07-24 | 2015-07-24 | A kind of transmission of streams of video data system |
| CN201810049877.8A Active CN108040237B (en) | 2015-07-24 | 2015-07-24 | A kind of Video Monitor System of achievable data priority distribution |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108111824B (en) | 2019-11-08 |
| CN104967831A (en) | 2015-10-07 |
| CN108124136A (en) | 2018-06-05 |
| CN108111824A (en) | 2018-06-01 |
| CN108124137B (en) | 2019-11-08 |
| CN108040237A (en) | 2018-05-15 |
| CN108124137A (en) | 2018-06-05 |
| CN108040237B (en) | 2019-09-10 |
| CN104967831B (en) | 2018-02-16 |
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