CN106507051B - A kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working and method - Google Patents
A kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working and method Download PDFInfo
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- CN106507051B CN106507051B CN201611047962.8A CN201611047962A CN106507051B CN 106507051 B CN106507051 B CN 106507051B CN 201611047962 A CN201611047962 A CN 201611047962A CN 106507051 B CN106507051 B CN 106507051B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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Abstract
The invention discloses a kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working and methods, wherein the system includes that the carrier signal converted by video image data is sent to bracket controller by flame proof power supply, stent valve driving and sensing detection device, four core connecting cables and PC server, video camera, bracket controller, isolator and network commutator, video camera；Bracket controller receives carrier signal and is sent to external equipment adjacent thereto；The both ends of isolator are connected with left/right neighbour's bracket power group tail/head bracket controller, carry out electrical isolation to different support power supply group and signal couples, and transmit carrier signal by direct mode operation or repeater mode；Wherein, the isolator with preset numbers is connected with flame proof power supply to introduce external power supply；The both ends of network commutator are connected with bracket controller and PC server respectively, and received carrier signal is converted to ethernet format data and is sent to PC server.Realize the high broadband transmission of video data on existing electric hydraulic control system.
Description
Technical field
The present embodiments relate to video transmission technologies more particularly to a kind of electro-hydraulic control integrated video transmission of fully-mechanized mining working
System and method.
Background technique
With the continuous development of coal in China High output and high profits mine well construction, coal mining automation and intelligent equipment
It is continuously improved, since video technique can display in real time the state of working face outside working face, worker can be aobvious according to video
Diagram picture observes the case where working face, aided remote and common control equipment in real time outside working face, and worker can be outside working face
The Operation control to working face equipment is completed, achievees the effect that working face lacks peopleization, video monitoring, which becomes, improves fully mechanized mining automation
Horizontal key content.
Traditional video monitoring system for integrative mining working surface is all made of the mode of video monitoring system separate configurations, on the one hand,
With being continuously increased for working face equipment quantity and type, video monitoring system occurs that cable laying amount is big, in narrow work
The problem of installation and debugging difficulty in space of planes；On the other hand, there are repeated construction, equipment cost are high and subsequent for video monitoring system
The problems such as maintenance is inconvenient.
Currently, in view of the above-mentioned problems, video monitoring system monitors integration hair to bracket control system integrated video
Exhibition, there are two main classes for improvement project: one kind directly will on the basis of system composition and transmission mechanism are identical with original electro-hydraulic control
Video data passes through bus transfer between original system bracket, but the serial rate in a word of bracket control is lower, can be only done timing
Picture transfer, cannot achieve the video monitoring of real continuous bit stream；Another kind of is that ethernet switching module is placed in bracket control
In device processed, bracket control is completed between bracket in POE (Power Over Etherent, Power over Ethernet) mode on interconnection line
The network connection of device and power supply supply realize the working face high bandwidth bearer network covering based on existing electric hydraulic control system, still
Replace the serial control bus between original bracket with Ethernet, when there are network flow fluctuation or numbers in multi-service mixed transport
When according to congestion, easily there is the problem of influencing control data reliability.
Summary of the invention
The present invention provides a kind of a kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working of invention and method, is existed with realizing
The high broadband transmission of video data on existing electricity hydraulic control system, saves cost.
In a first aspect, this is the embodiment of the invention provides a kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working
System includes:
Including flame proof power supply, stent valve driving and sensing detection device, four core connecting cables and PC server, further includes:
Video camera, bracket controller, isolator and network commutator,
The carrier signal is sent to described by the video camera for video image data to be converted to carrier signal
Bracket controller；
The bracket controller is connected with the video camera, the carrier signal sent for receiving the video camera,
The carrier signal is sent to external equipment, the external equipment includes the bracket control adjacent with the bracket controller
Device, isolator or network commutator, wherein forming bracket power group, the bracket electricity by the bracket controller of preset quantity
Adjacent bracket controller is connected by the four cores connecting cable in the group of source；
One end of the isolator is connected with the end support controller of left adjacent bracket power group, the isolator it is another
It holds and is connected with the head end bracket controller of right adjacent bracket power group, for carrying out electrical isolation and signal to different support power supply group
Coupling, transmits the carrier signal by direct mode operation or repeater mode；Wherein, with the isolator of preset numbers
It is also connected with the flame proof power supply, for introducing external power supply；
Described network commutator one end is connected with bracket controller, and the other end passes through Ethernet and the PC server phase
Even, the carrier signal sent for receiving the bracket controller, is converted to ethernet format data for the carrier signal, and
The ethernet format data are sent to the PC server.
Second aspect, the embodiment of the invention also provides a kind of electro-hydraulic control integrated video transmission methods of fully-mechanized mining working, should
Method includes:
Video camera obtains video image data, and the video image data is converted to carrier signal, the carrier wave is believed
Number it is sent to bracket controller；
The bracket controller receives the carrier signal that the video camera is sent, and the carrier signal is sent to outer
Portion's equipment, the external equipment include the bracket controller adjacent with the bracket controller, isolator or network commutator,
The carrier signal is transmitted to the network commutator by the adjacent bracket controller or the isolator, wherein institute
Isolator is stated to transmit the carrier signal by direct mode operation or repeater mode；
Network commutator receives the carrier signal that the adjacent bracket controller is sent, and the carrier signal is turned
Ethernet format data are changed to, and the ethernet format data are sent to PC server.
The embodiment of the present invention is to relay with tie point, with video camera with the isolator of preset numbers by Video transmission system
Based on the more relaying video transmission networks of bandwidth carrier of carrier wave access point, carrier signal is relayed into view by bandwidth carrier more
Defeated network transmission is kept pouring in network commutator, PC server is transmitted to by mine looped network, solves video biography in the prior art
The problem that defeated rate is low or the independent video monitoring networking cost of configuration is high, it is right on the basis of existing electric hydraulic control system to realize
The high broadband carrying of video data, no longer needs to that video monitoring networking equipment is separately configured, reduces economic cost.
Detailed description of the invention
Fig. 1 is the structural representation for the electro-hydraulic control integrated video Transmission system of fully-mechanized mining working that the embodiment of the present invention one provides
Figure；
Fig. 2 is the more relaying video transport network architecture schematic diagrames of bandwidth carrier that the embodiment of the present invention one provides；
Fig. 3 is the structural schematic diagram for the video camera that the embodiment of the present invention one provides；
Fig. 4 is the structural schematic diagram for the isolator that the embodiment of the present invention one provides；
Fig. 5 is the structural schematic diagram for the bracket controller that the embodiment of the present invention one provides；
Fig. 6 is the structural schematic diagram for the network commutator that the embodiment of the present invention one provides；
Fig. 7 is the flow chart of the electro-hydraulic control integrated video transmission method of fully-mechanized mining working provided by Embodiment 2 of the present invention；
Fig. 8 is the flow chart for the electro-hydraulic control integrated video transmission method of fully-mechanized mining working that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the structural representation for the electro-hydraulic control integrated video Transmission system of fully-mechanized mining working that the embodiment of the present invention one provides
Figure, as shown in Figure 1, a kind of Video transmission system, including the driving of flame proof power supply 110, stent valve and sensing detection device 120, four
Core connecting cable 130, PC server 140, video camera 150, bracket controller 160, isolator 170 and network commutator 180,
Carrier signal is sent to bracket controller for video image data to be converted to carrier signal by video camera 150
180；
Bracket controller 160 is connected with video camera 150, and for receiving the carrier signal of the transmission of video camera 150, carrier wave is believed
Number it is sent to external equipment, external equipment includes the bracket controller adjacent with bracket controller, isolator or network commutator,
Bracket power group is wherein formed by the bracket controller of preset quantity, adjacent bracket controller passes through four cores in bracket power group
Connecting cable 130 is connected；
One end of isolator 170 is connected with the end support controller of left adjacent bracket power group, the other end of isolator and
The head end bracket controller of right neighbour's bracket power group is connected, for carrying out electrical isolation and signal coupling to different support power supply group
It closes, carrier signal is transmitted by direct mode operation or repeater mode；Wherein, the isolator with preset numbers is also connected with
There is flame proof power supply 110, for introducing external power supply；
180 one end of network commutator is connected with bracket controller 160, and the other end passes through Ethernet and 140 phase of PC server
Even, for receiving the carrier signal of the transmission of bracket controller 160, carrier signal is converted into ethernet format data, and will be with
Too grid type data are sent to PC server 140.
In the present embodiment, Video transmission system be added on the basis of existing electric hydraulic control system video camera, bracket controller,
Isolator and network commutator, connection relationship, the power supply mode of other each components are identical as existing electric hydraulic control system, flame proof electricity
Corresponding component in source, stent valve driving and sensing detection device, four core connecting cables, PC server and existing electric hydraulic control system
Characteristic functions are identical, can be directly compatible with and continue to use.
Wherein, flame proof power supply provides power supply for system, according to the power supply capacity of flame proof power supply by the bracket control of preset quantity
Device processed is divided into bracket power group, and illustratively, preset quantity can be 2,3 or 4 etc..Bracket controller number in working face
Amount is determining according to number of holders, illustratively, one bracket controller of each support configuration.Branch in same bracket power group
Frame controller is connected by adjacent interface, and different bracket power groups is connected by isolator, one end of isolator and left neighbour
The end support controller of bracket power group is connected, the head end bracket controller of the other end of isolator and right adjacent bracket power group
It is connected, for carrying out electrical isolation and signal coupling to different support power supply group.Wherein, with preset numbers isolator with every
Quick-fried power supply is connected, and introduces power supply, illustratively, the isolator of preset numbers can be the isolator of odd-numbered, will be with network
The adjacent bracket controller of converter is set as first support controller, and sets gradually system inner support controller number, tool
Body, it can be the 2N-1 bracket controller bracket power group adjacent with flame proof power supply, left/right and be connected, the control of 2N bracket
Only the bracket power group adjacent with left/right is connected device, and N is the positive integer more than or equal to 1.
Isolator is different according to the state of access power supply, and the transmission mode difference to carrier signal is arranged, draws in power supply
The isolator for entering position on startup, automatically switches to bandwidth carrier repeater mode, and the isolator of position is introduced in non-power
On startup, bandwidth carrier direct mode operation is automatically switched to, illustratively, the isolator of odd-numbered is connected with flame proof power supply,
It is in bandwidth carrier repeater mode after system start-up, the isolator of even-numbered is not connected with flame proof power supply, starts in system
It is in bandwidth carrier direct mode operation afterwards.When the operating mode of isolator, which configures, to be completed, foundation is with the isolator of preset numbers
It relays, using video camera as the more relaying video transmission networks of the bandwidth carrier of carrier wave access point, system passes through according to preset numbers pair
Isolator carries out the compartmentation processing of repeater mode and direct mode operation, by handover number pressure of the carrier signal in transmission process
Contracting reduces system under more relay cases in the case where meeting the requirement of carrier signal quality and access node quantity
Relaying delay, improves the real-time of system video transmission.As shown in Fig. 2, Fig. 2 is that the broadband that the embodiment of the present invention one provides carries
The more relaying video transport network architecture schematic diagrames of wave.
Carrier signal is converted to ethernet format data by the carrier signal transmitted in network commutator reception system, is led to
It crosses mine looped network and Ethernet data is transmitted to PC server, realize on the basis of existing electric hydraulic control system to video data height
Broadband carrying, no longer needs to that video monitoring networking is separately configured, reduces costs.
Optionally, as shown in figure 3, Fig. 3 is the structural schematic diagram for the video camera that the embodiment of the present invention one provides, video camera
150 connect including the first power supply module 151, video acquisition processing module 152, infrared holder supplementary module 153, video camera integration
The 154, first high-frenquency current blocking device 155 of mouth and the first bandwidth carrier module 156；
First bandwidth carrier module, 156 one end is connected with video camera integration interface 154, the other end and video acquisition processing
Module 152 is connected, and the video data for sending to video acquisition processing module 152 is handled, and general's treated data
It is sent to video camera integration interface 154；
Video camera integration interface 154 is four core interfaces, wherein the configuration of two core interfaces and video acquisition processing module 152
Interface is connected, and for receiving configuration access instruction, in addition two core interfaces are by power supply and bandwidth carrier multiplexing line respectively with first
High-frenquency current blocking device 155 and the first bandwidth carrier module 156 are connected, for passing through carrier multiplexing while obtaining external power supply
Mode realizes the upload of video data；
First high-frenquency current blocking device, 155 one end interface 154 integrated with video camera is connected, the other end and the first power supply module
151 are connected, for obstructing to internal circuit power supply signal with external carrier signal.
In the present embodiment, video acquisition processing module and infrared holder supplementary module with it is corresponding in existing electric hydraulic control system
Characteristics of components function is identical, can be directly compatible with and continue to use.
Video acquisition processing module obtain working face video image data, the first bandwidth carrier module by Ethernet with
Video acquisition processing module, by Ethernet interface uploaded videos image data, the first bandwidth carrier module by video image data into
Row coding and modulation /demodulation, are converted to carrier signal for video image data, via video camera integration interface by carrier signal
It is transmitted to bracket controller, realizes the carrier-wave transmission of Ethernet video data.
First high-frenquency current blocking device can obstruct internal circuit power supply signal with external carrier signal, on the one hand, keep away
Exempt from interference of the high-frequency signal to internal circuit, causes the problem that internal circuit is unstable；On the other hand, internal circuit is avoided to absorb
High-frequency signal causes the decaying of broadband carrier signal.
Optionally, as shown in figure 4, Fig. 4 is the structural schematic diagram for the isolator that the embodiment of the present invention one provides, isolator
170 include 171 third power supply module 1710 of the second power supply module, the first control unit interface 172 and the second control interface 173, the
One power supply introduce interface 174, second source introduce interface 175, bandwidth carrier processing module 176, the second high-frenquency current blocking device 177,
Plant-grid connection and HF switch control module 178 and serial data isolation coupling circuit 179；
Plant-grid connection and HF switch control module 178 are connect by the first power supply introducing interface 174 and second source introducing
Mouth 175 is connected with flame proof power supply 110, for external power supply to be introduced isolator 170；
Second high-frenquency current blocking device, 177 one end is connected with the first control unit interface 172 and second controller interface 173, another
End is connected with the second power supply module 171 or third power supply module 1710, for believing internal circuit power supply signal and external subcarrier
It number is obstructed；
Bandwidth carrier processing module 176 is connect with the first control unit interface 172 and second controller respectively by HF switch
Mouth 173 is connected, and for receiving the carrier signal of bracket controller transmission, carrier signal is passed through repeater mode or direct mode operation
It is transmitted；Wherein, if detected power supply introducing, bandwidth carrier processing module 176 enters repeater mode, if detecting nothing
When power supply introduces, bandwidth carrier processing module 176 enters direct mode operation；
Serial data isolation coupling circuit 179 is connected with bandwidth carrier processing module 176, for inquiring bandwidth carrier processing
The status information of the relaying carrier units of module.
In the present embodiment, plant-grid connection and HF switch control module are controlled with the first power supply control interface and second source
Interface is connected, and realizes the introducing of power supply, according to the disconnection and conducting for whether accessing control HF switch of power supply, specifically, high
Frequency switch is switch S1, S2, S3 and the S4 being connected with bandwidth carrier processing module.
When non-transformer access, HF switch S3 and S4 conducting, HF switch S1 and S2 are disconnected, bandwidth carrier processing module
In carrier wave direct mode operation, when there is carrier wave data transmission, relay process is not carried out to carrier data, by carrier signal with straight-through
Mode is transmitted；When there is plant-grid connection, HF switch S1 and S2 conducting, HF switch S3 and S4 are disconnected, and bandwidth carrier handles mould
Block is in carrier-current relaying mode, when there is carrier wave data transmission, carries out data reforming and signals revivification to carrier data, is promoted and carried
On the one hand wave signal quality solves the problems, such as system middle width strip carrier network supporting node limited amount, on the other hand, solve
Signal quality deep fades problem in the transmission of system middle and long distance signal, improves the coverage area and communication of grid
Broadband.
Optionally, as shown in figure 5, Fig. 5 is the structural schematic diagram for the bracket controller that the embodiment of the present invention one provides, bracket
Controller 160 includes: bracket control circuit 161, transducer valve driving interface 162, first interface 163, second interface 164, camera shooting
Instrument interface 165 and third high-frenquency current blocking device 166；
Video camera interface 165 is four core interfaces, wherein two core interfaces are connected with bracket control circuit 161, in addition two cores are connect
Mouth is connected by power supply with bandwidth carrier multiplexing line with first interface 163 and second interface 164, for receiving video camera transmission
Carrier signal.
First interface 163 and second interface 164 are four core interfaces, wherein the two core interfaces and second of first interface 163
Two core interfaces of interface 164 are connected with bracket control circuit 161 respectively, and the other two cores interface of first interface 163 connects with second
The other two cores interface of mouth 164 is connected, for power supply signal and carrier signal inside bracket controller to be connected.
166 one end of third high-frenquency current blocking device passes through power supply and bandwidth carrier multiplexing line and first interface 163 and second interface
164 are connected, and the other end is connected with bracket control circuit 161, for carrying out to internal circuit power supply signal and external carrier signal
Barrier.
In the present embodiment, the corresponding component in bracket control circuit and transducer valve driving interface and existing electric hydraulic control system is special
Sexual function is identical, can be directly compatible with and continue to use.
Wherein, bracket controller is connected by video camera interface with video camera, receives the carrier data that video camera is sent, and
Carrier data is transmitted into the external equipment adjacent as the bracket controller by first interface or second interface, illustratively
External equipment can be bracket controller, isolator or network commutator.
Bracket controller can also receive the carrier signal of neighbouring device transmission, warp by first interface or second interface
It crosses power supply and bandwidth carrier multiplexing line and adjacent outer of the bracket controller other end is sent to by second interface or first interface
Portion's equipment completes the transmission to carrier signal.
Bracket control circuit can be connected by communication modes such as I/O or RS485 with transducer valve driving interface, for external
It encloses transducer valve driving equipment and carries out data acquisition and drive control.
Optionally, as shown in fig. 6, Fig. 6 is the structural schematic diagram for the network commutator that the embodiment of the present invention one provides, network
Converter 180 includes: Ethernet interface 181, the second bandwidth carrier module 182, serial data to TCP/IP network data bridge revolving die
Block 183, the 4th power supply module 184, converter access port 185, ethernet switching module 186 and the 4th high-frenquency current blocking device 187；
Converter access port 185 is used to receive the carrier signal of bracket controller transmission；
Second bandwidth carrier module, 182 one end is connected with converter access port 185, the other end and ethernet switching module
186 are connected, for converting carrier signal to ethernet format data；
The 186th one end of Ethernet conversion module is connected with the second bandwidth carrier module 182, and second end and serial data are extremely
TCP/IP network data bridge revolving die block 183 is connected, and third end is connected by Ethernet interface 181 with mine looped network, is used for ether
Grid type data are sent to PC server 140 by mine looped network；
4th high-frenquency current blocking device, 187 one end is connected with converter access port 185, the other end and 184 phase of the 4th power supply module
Even, for being obstructed to internal circuit power supply signal with external carrier signal.
Wherein, the converter access port of network commutator is connected with adjacent bracket controller, receives adjacent bracket control
The carrier signal of device transmission processed, carrier signal are converted to standard ethernet formatted data by the second bandwidth carrier module, pass through
Ethernet format data are sent to PC server through mine looped network, realize the video figure of working face by Ethernet conversion module
As data are transferred to the process of PC server.
The technical solution of the present embodiment, Video transmission system are to relay with tie point, to take the photograph with the isolator of preset numbers
As instrument be carrier wave access point the more relaying video transmission networks of bandwidth carrier based on, by carrier signal by bandwidth carrier mostly in
It is transmitted to network commutator after video delivery network, PC server is transmitted to by mine looped network, solves and regards in the prior art
The problem that frequency transmission rate is low or the independent video monitoring networking cost of configuration is high realizes on the basis of existing electric hydraulic control system
On to the high broadband of video data carry, no longer need to that video monitoring networking is separately configured, reduce economic cost.
Embodiment two
Fig. 7 is the flow chart of the electro-hydraulic control integrated video transmission method of fully-mechanized mining working provided by Embodiment 2 of the present invention,
On the basis of above-described embodiment one, this method can be executed using Video transmission system provided by the embodiment of the present invention one,
This method specifically includes:
S210, video camera obtain video image data, and video image data is converted to carrier signal, carrier signal is sent out
It send to bracket controller.
S220, bracket controller receive the carrier signal that video camera is sent, and carrier signal is sent to external equipment, external
Equipment includes the bracket controller adjacent with bracket controller, isolator or network commutator.
S230, determine whether bracket controller is adjacent with network commutator, if not adjacent with network commutator, execute step
Rapid S240 thens follow the steps S250 if adjacent with network commutator.
Illustratively, if bracket controller is adjacent with network commutator, the carrier signal in the bracket controller is straight
It receives and sends to network commutator, if bracket controller is not adjacent with network commutator, by the carrier signal in bracket controller
It is sent directly to adjacent bracket controller or isolator, so that carrier signal is in the more relaying video transmission networks of bandwidth carrier
In transmitted, which is received by network commutator.
S240, carrier signal is transmitted to network commutator by adjacent bracket controller or isolator.
Wherein, isolator transmits carrier signal by direct mode operation or repeater mode.
S250, network commutator receive the carrier signal that adjacent bracket controller is sent, by carrier signal be converted to
Too grid type data, and ethernet format data are sent to PC server.
The technical solution of the present embodiment, the working face video image data that will acquire by video camera are converted to carrier wave letter
Number, carrier signal is sent to bracket converter, is sent to network commutator, net through the more relaying video transmission networks of bandwidth carrier
Network converter receives carrier signal and is converted to ethernet format data, and ethernet format data are transmitted to PC through mine looped network
Server realizes the high broadband carrying of video data on the basis of existing electric hydraulic control system.
On the basis of the above embodiments, step S210 may also is that
The bandwidth carrier module of video camera receives the video image of video acquisition processing module transmission, and video image is converted
For carrier signal, carrier signal is sent to bracket controller by video camera integration interface.
On the basis of the above embodiments, step S240 may also is that
Isolator receives the carrier signal of bracket controller by the first control unit interface, by carrier signal in isolator
It is transmitted by repeater mode or direct mode operation, by the second control interface by carrier signal transmission to adjacent bracket control
Device processed；Wherein, if detected power supply introducing, isolator transmits carrier signal by repeater mode, if detecting non-transformer
When introducing, isolator transmits carrier signal by direct mode operation.
On the basis of the above embodiments, step S250 may also is that
The converter access port of network commutator receives the carrier signal that adjacent bracket controller is sent；
The bandwidth carrier module of network commutator converts carrier signal to ethernet format data；
Ethernet format data are sent to PC server by mine looped network by the ethernet switching module of network commutator.
Embodiment three
Fig. 8 is the flow chart for the electro-hydraulic control integrated video transmission method of fully-mechanized mining working that the embodiment of the present invention three provides,
On the basis of above-described embodiment, video image data further is obtained in video camera, video image data is converted into carrier wave
Signal increases when to system electrification before carrier signal transmission to bracket controller, and the power supply for detecting each isolator connects
Enter state, the carrier mode of isolator is determined according to plant-grid connection state, wherein carrier mode includes repeater mode and straight-through mould
Formula；The quantity of repeater mode isolator is counted, setting repeater mode isolator is in inactive state；For repeater mode isolator
Non-overlapping carrier frequency range is distributed, repeater mode isolator is started, forms bandwidth carrier transmission network；Bandwidth carrier access node is connect
Enter corresponding carrier-current relaying, bandwidth carrier transmission network is added.Correspondingly, this method specifically includes:
S310, when to system electrification, detect the plant-grid connection state of each isolator, according to plant-grid connection state determine every
Carrier mode from device, wherein carrier mode includes repeater mode and direct mode operation.
Wherein, the HF switch in the initial time powered on to system, isolator is in off-state, and every
Inactive state is in from the bandwidth carrier processing module inside device.After system completion powers on, isolator is according to external electrical
The access state in source determines the working condition of bandwidth carrier processing module.When there is plant-grid connection, at the bandwidth carrier of isolator
Reason module is in repeater mode；When not having plant-grid connection, the bandwidth carrier processing module of isolator is in direct mode operation.Detection
All the carrier mode of the bandwidth carrier processing module of all isolators whether complete by configuration, if completing without all configurations, returns
It returns the configuration that step S310 continues carrier mode and thens follow the steps S320 if all configuration is completed.
S320, the quantity for counting repeater mode isolator, setting repeater mode isolator are in inactive state.
S330, non-overlapping carrier frequency range is distributed for repeater mode isolator, starts repeater mode isolator, formed broadband and carry
Wave transmission network.
Wherein, carrier wave frequency range refers to a reference carrier frequency of electromagnetic wave, illustratively, repeater mode isolator number
Amount is 10, is set as the repeater mode isolator configuration A carrier wave frequency range of odd-numbered, handles the carrier signal of A carrier wave frequency range,
The repeater mode isolator of even-numbered configures B carrier wave frequency range, handles the carrier signal of B carrier wave frequency range, wherein A carrier wave frequency range
Not be overlapped with B carrier wave frequency range, illustratively, A carrier wave frequency range can be 1920MHz-1980MHz, and B carrier wave frequency range can be
2110MHz-2170MHz。
Repeater mode isolator opens carrier-current relaying work according to the carrier wave frequency range of distribution, and repeater mode isolator is through power supply
It is interconnected with bandwidth carrier multiplexing line, for the transmission of carrier signal, realizes that the expansion step by step of Carrier transmission network, formation are covered
Cover the bandwidth carrier transmission network of whole working faces.
S340, bandwidth carrier access node is accessed into corresponding carrier-current relaying, bandwidth carrier transmission network is added.
Wherein, bandwidth carrier access node refers to the input point of carrier signal, illustratively, bandwidth carrier access node
It can be video camera.
S350, video camera obtain video image data, and video image data is converted to carrier signal, carrier signal is sent out
It send to bracket controller.
S360, bracket controller receive the carrier signal that video camera is sent, and carrier signal is sent to external equipment, external
Equipment includes the bracket controller adjacent with bracket controller, isolator or network commutator.
If S370, bracket controller be not adjacent with network commutator, S240 is thened follow the steps, if bracket controller and network
Converter is adjacent, thens follow the steps S250.
S380, carrier signal is transmitted to network commutator by adjacent bracket controller or isolator.
Wherein, isolator transmits carrier signal by direct mode operation or repeater mode.
S390, network commutator receive the carrier signal that adjacent bracket controller is sent, by carrier signal be converted to
Too grid type data, and ethernet format data are sent to PC server.
The technical solution of the present embodiment is protected by the compartmentation of the isolator working frequency range to the repeater mode in system
It demonstrate,proves and is not overlapped on carrier wave frequency range between bandwidth carrier relaying subnets at different levels, avoid adjacent bandwidth carrier relaying subnet and facing
Boundary domain, with frequency self-interference, further increases the transmission quality of CF signal from radio frequency is spatially formed.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working, including the driving of flame proof power supply, stent valve and sensing detection
Device, four core connecting cables and PC server, which is characterized in that further include: video camera, bracket controller, isolator and network
Converter,
The carrier signal is sent to the bracket for video image data to be converted to carrier signal by the video camera
Controller；
The bracket controller is connected with the video camera, the carrier signal sent for receiving the video camera, by institute
State carrier signal and be sent to external equipment, the external equipment include the bracket controller adjacent with the bracket controller, every
From device or network commutator, wherein forming bracket power group, the bracket power group by the bracket controller of preset quantity
Interior adjacent bracket controller is connected by the four cores connecting cable；
One end of the isolator is connected with the end support controller of left adjacent bracket power group, the other end of the isolator and
The head end bracket controller of right neighbour's bracket power group is connected, for carrying out electrical isolation and signal coupling to different support power supply group
It closes, the carrier signal is transmitted by direct mode operation or repeater mode；Wherein, there is the isolator of preset numbers also
It is connected with the flame proof power supply, for introducing external power supply；
Described network commutator one end is connected with adjacent bracket controller, and the adjacent bracket controller is first support control
Device processed, the other end are connected by Ethernet with the PC server, the carrier signal sent for receiving the bracket controller,
The carrier signal is converted into ethernet format data, and the ethernet format data are sent to the PC server；
The isolator includes the second power supply module, third power supply module, the first control unit interface and the second control interface, spy
Sign is, further includes: the first power supply introduces interface, second source introduces interface, bandwidth carrier processing module, the second high-frequency choke
Device, plant-grid connection and HF switch control module and serial data isolation coupling circuit；
The plant-grid connection and HF switch control module pass through first power supply introducing interface and second source introducing interface
It is connected with the flame proof power supply, for external power supply to be introduced the isolator；And situation is introduced according to power supply, control HF switch
The closure of S1~S4；
Second high-frenquency current blocking device one end is connected with first control unit interface and second controller interface, the other end and institute
It states the second power supply module or third power supply module is connected, for being hindered with external carrier signal internal circuit power supply signal
Every；
The bandwidth carrier processing module by HF switch respectively with first control unit interface and second controller interface
It is connected, for receiving the carrier signal of the bracket controller transmission, the carrier signal is passed through into the repeater mode
Or the direct mode operation is transmitted；Wherein, if detected the power supply introduce, the bandwidth carrier processing module into
Enter the repeater mode, the bandwidth carrier processing module enters the direct mode operation when introducing without the power supply if detecting；
The serial data isolation coupling circuit is connected with the bandwidth carrier processing module, for inquiring at the bandwidth carrier
Manage the status information of the relaying carrier units of module.
2. system according to claim 1, the video camera includes the first power supply module, video acquisition processing module and red
Outer holder supplementary module, which is characterized in that further include video camera integration interface, the first high-frenquency current blocking device and the first bandwidth carrier
Module；
Described first bandwidth carrier module one end is connected with the video camera integration interface, at the other end and the video acquisition
It manages module to be connected, the video data for sending the video acquisition processing module is handled, and general's treated data
It is sent to the video camera integration interface；
The video camera integration interface is four core interfaces, wherein two core interfaces and the configuration of the video acquisition processing module connect
Mouthful be connected, for receiving configuration access instruction, in addition two core interfaces by the power supply and bandwidth carrier multiplexing line respectively and institute
It states the first high-frenquency current blocking device and the first bandwidth carrier module is connected, for passing through carrier wave while obtaining external power supply
The upload of multiplex mode realization video data；
First high-frenquency current blocking device one end interface integrated with the video camera is connected, the other end and first power supply module
It is connected, for being obstructed to internal circuit power supply signal with external carrier signal.
3. system according to claim 1, the bracket controller includes: that bracket control circuit and transducer valve driving connect
Mouthful, which is characterized in that further include: first interface, second interface, video camera interface and third high-frenquency current blocking device；
The video camera interface is four core interfaces, wherein two core interfaces are connected with the bracket control circuit, other two core interface
It is connected by power supply with bandwidth carrier multiplexing line with first interface and second interface, for receiving described in the video camera transmission
Carrier signal；
The first interface and the second interface are four core interfaces, wherein two core interfaces of the first interface and described
Two core interfaces of two interfaces are connected with the bracket control circuit respectively, the other two cores interface of the first interface and described the
Other two interface of two interfaces is connected, for power supply signal and the carrier signal inside the bracket controller to be connected；
Third high-frenquency current blocking device one end is connected by power supply with bandwidth carrier multiplexing line with the first interface and second interface, separately
One end is connected with the bracket control circuit, for obstructing to internal circuit power supply signal with external carrier signal.
4. system according to claim 1, the network commutator includes: Ethernet interface, the second bandwidth carrier module, string
Row data are to TCP/IP network data bridge revolving die block, the 4th power supply module, which is characterized in that further include: converter access port, with
Too net Switching Module and the 4th high-frenquency current blocking device；
The converter access port is used to receive the carrier signal of the bracket controller transmission；
Described second bandwidth carrier module one end is connected with the converter access port, the other end and the ethernet switching module
It is connected, for converting the carrier signal to ethernet format data；
The ethernet switching module first end is connected with the second bandwidth carrier module, and second end and the serial data are extremely
TCP/IP network data bridge revolving die block is connected, and third end is connected by the Ethernet interface with mine looped network, for by described in
Too grid type data are sent to the PC server by mine looped network；
Described 4th high-frenquency current blocking device one end is connected with the converter access port, the other end and the 4th power supply module phase
Even, for being obstructed to internal circuit power supply signal with external carrier signal.
5. a kind of electro-hydraulic control integrated video transmission method of fully-mechanized mining working characterized by comprising
Video camera obtains video image data, and the video image data is converted to carrier signal, the carrier signal is sent out
It send to bracket controller；
The bracket controller receives the carrier signal that the video camera is sent, and the carrier signal is sent to outside and is set
Standby, the external equipment includes the bracket controller adjacent with the bracket controller, isolator or network commutator, described
Carrier signal is transmitted to the network commutator by the adjacent bracket controller or the isolator, wherein it is described every
The carrier signal is transmitted by direct mode operation or repeater mode from device；
Network commutator receives the carrier signal that the adjacent bracket controller is sent, and the carrier signal is converted to
Ethernet format data, and the ethernet format data are sent to PC server；
The bracket controller receives the carrier signal of the video camera transmission, and the carrier signal is sent to outside and is set
Standby, the external equipment includes adjacent bracket controller, isolator or network commutator, and the carrier signal passes through adjacent
The bracket controller or the isolator be transmitted to the network commutator, wherein the isolator passes through direct mode operation
Or repeater mode transmits the carrier signal, comprising:
The carrier signal that video camera described in the video camera interface of the bracket controller is sent, by the carrier signal
It is sent to the adjacent bracket controller, the isolator or the network commutator, the carrier signal passes through adjacent
The bracket controller or the isolator be transmitted to the network commutator；
The isolator receives the carrier signal of the bracket controller by the first control unit interface, in the isolator
It is interior to transmit the carrier signal by the repeater mode or the direct mode operation, by the second control interface by institute
Carrier signal transmission is stated to the adjacent bracket controller；Wherein, if detected power supply introducing, the isolator passes through
The repeater mode transmits the carrier signal, if detect that non-transformer introduces, the isolator passes through the direct mode operation
Transmit the carrier signal.
6. according to the method described in claim 5, it is characterized in that, video camera obtains video image data, by the video figure
As data are converted to carrier signal, the carrier signal is sent to bracket controller, comprising:
The bandwidth carrier module of the video camera receives the video image of video acquisition processing module transmission, by the video image
The carrier signal is converted to, the carrier signal is sent to the bracket controller by video camera integration interface.
7. according to the method described in claim 5, it is characterized in that, network commutator receives adjacent bracket controller hair
The carrier signal is converted to ethernet format data, and the ethernet format data is sent out by the carrier signal sent
It send to PC server, comprising:
The converter access port of the network commutator receives the carrier signal that the adjacent bracket controller is sent；
The bandwidth carrier module of the network commutator converts the carrier signal to the ethernet format data；
The ethernet format data are sent to described by the ethernet switching module of the network commutator by mine looped network
PC server.
8. according to the method described in claim 5, it is characterized in that, video image data is obtained in video camera, by the video
Image data is converted to carrier signal, before the carrier signal transmission to bracket controller, comprising:
When to system electrification, detect the plant-grid connection state of each isolator, according to the plant-grid connection state determine it is described every
Carrier mode from device, wherein the carrier mode includes repeater mode and direct mode operation；
The quantity for counting the repeater mode isolator is arranged the repeater mode isolator and is in inactive state；
Non-overlapping carrier frequency range is distributed for the repeater mode isolator, starts the repeater mode isolator, broadband is formed and carries
Wave transmission network；
Bandwidth carrier access node is accessed into corresponding carrier-current relaying, the bandwidth carrier transmission network is added.
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| CN109327369A (en) * | 2018-11-05 | 2019-02-12 | 郑州煤机液压电控有限公司 | Mine hydraulic bracket communication network extender and its application method |
| CN114294029B (en) * | 2021-11-30 | 2023-08-22 | 北京天玛智控科技股份有限公司 | Hydraulic support and control system thereof |
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