CN102638845A - Railway track monitoring sensing network controller communication protocol and implementation device thereof - Google Patents
Railway track monitoring sensing network controller communication protocol and implementation device thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of information and communication, and particularly relates to a railway track monitoring sensing network controller communication protocol and an implementation device thereof, which are provided to control and manage railway track monitoring sensing access multiplexing equipment and railway track monitoring sensor nodes by the railway track monitoring sensing network controller. The railway track monitoring sensing network controller communication protocol is an interactive control and data transmission protocol between the railway track monitoring sensing network controller and the railway track monitoring sensing access multiplexing equipment. According to the protocol and relevant devices, the railway track monitoring sensing network controller can be used for controlling and managing all railway track monitoring sensing access multiplexing equipment and railway track monitoring sensor nodes in a large-scale railway track monitoring sensing network.
Description
Technical field
The present invention relates to communication network, relate in particular to a kind of railroad track monitoring sensing network controller communication protocol and related realization device in the railroad track monitoring sensing network.
Background technology
Continuous speed-raising along with railway transportation; Requirement to railway track safety is also increasingly high; All kinds of parameters of railroad track, as: rail temperature, rail stress, track sedimentation, track deformation, or the like in time the obtaining of information, help accurately to judge the rail state; Control train running speed is guaranteed safety of railway transportation.But because the railroad track monitoring range is big, environment is harsh, does not also have the suitable technique means to solve the real-time monitoring problem of railroad track parameter on a large scale at present.
The radio sensing network technology can be utilized super low-power consumption sensor senses environmental parameter, and realizes wireless networking, in time transmits the information of being gathered.But present wireless sensing network technology also concentrates on the small scale network design basically, can't be applicable to the target of railroad track monitoring.
In order to solve the railroad track monitoring problem, as shown in Figure 1, a kind of railroad track monitoring sensing network architecture and serial networking equipment based on the radio sensing network technology is suggested, thereby can set up extensive railroad track monitoring sensing network effectively.
Railroad track monitoring sensing network comprises novel networking equipments such as railroad track monitoring sensor node, railroad track monitoring sensing access and multiplexing device, railroad track monitoring sensing network controller, railroad track monitoring gateway; Through the layering networking mode; Can manage, control the railroad track monitoring sensor node more than 100,000, realize the real-time monitoring of railroad track parameter on a large scale.
Railroad track monitoring sensing network controller can be regarded as one group of logical device, has realized the functions such as management, monitoring, dynamic-configuration, control of railroad track monitoring sensing network.Railroad track monitoring sensing access and multiplexing device is the control appliance of the railroad track monitoring sensing network in the local scope; It is realized the topology maintenance of the monitoring of the railroad track in local scope sensing network and the management control of railroad track monitoring sensor node under the control of railroad track monitoring sensing network controller.Railroad track monitoring gateway is responsible for realizing the distribution of railroad track monitoring sensing network controller and railroad track monitoring sensing access and multiplexing device; Monitoring sensing access and multiplexing device dynamic assignment for the railroad track in the railroad track monitoring network can be its railroad track monitoring sensing network controller that network insertion and control service are provided, and is that railroad track monitoring sensor node dynamic assignment can be its railroad track monitoring sensing access and multiplexing device that network insertion and control service are provided.
As the core control equipment in the railroad track monitoring sensing network; Railroad track monitoring sensing network controller is responsible for all the railroad track monitoring sensing access and multiplexing devices in the control and management network, and further comes all the railroad track monitoring sensor nodes in the control and management network through railroad track monitoring sensing access and multiplexing device.In order to realize control information transmission and the data information transfer between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device, the communication mechanism between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device need be provided.
Summary of the invention
The present invention is directed to railroad track monitoring sensing network system shown in Figure 1, proposed a kind of railroad track monitoring sensing network controller communication protocol and implement device thereof.
According to a first aspect of the invention, a kind of railroad track monitoring sensing network controller communication protocol is provided.Railroad track monitoring sensing network controller communication protocol is Interactive control and the Data Transport Protocol between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device.Through this agreement; Railroad track monitoring sensing network control information and data message can be monitored reliable transmission between sensing network controller and the railroad track monitoring sensing access and multiplexing device at railroad track, thereby make railroad track monitoring sensing network controller carry out centralized control, management to all railroad track monitoring sensing access and multiplexing devices and the railroad track monitoring sensor node in the extensive railroad track monitoring sensing network.
The target of railroad track monitoring sensing network controller communication protocol comprises the following aspects: railroad track is monitored function centralization such as sensing network authentication, access control, tactical management, task management in (1), and the sensing network of railroad track monitoring simultaneously controller also can provide concentrated railroad track Monitoring Data processing capacity; (2) reduce the demand of railroad track being monitored the computational resource of sensing access and multiplexing device, only necessary function is stayed railroad track monitoring sensing access and multiplexing device and handle, thus the cost and the O&M cost of reduction railroad track monitoring sensing access and multiplexing device; (3) provide a kind of railroad track monitoring sensing network controller and railroad track to monitor data encapsulation and transmission mechanism between the sensing access and multiplexing device.
Railroad track monitoring sensing network controller communication protocol runs between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device, is responsible for realization by the railroad track monitoring sensing network controller communication protocol management station device that is embedded in the railroad track monitoring sensing network controller with the railroad track monitoring sensing network controller communication protocol agent apparatus that is embedded in the railroad track monitoring sensing access and multiplexing device.
According to a second aspect of the invention; Provide a kind of railroad track to monitor sensing network controller communication protocol management station device; It can run in the railroad track monitoring sensing network controller equiment, is responsible for realizing the management end function of railroad track monitoring sensing network controller communication protocol.Comprise in the said device: first deriving means, first dispensing device, data channel, control channel device, DIU data interface unit, control interface device.Wherein: first deriving means is used to obtain the information from railroad track monitoring sensing network controller communication protocol agent apparatus; First dispensing device is used to send information to railroad track monitoring sensing network controller communication protocol agent apparatus; Data channel be used to set up and railroad track monitoring sensing network controller communication protocol agent apparatus between data transmission channel, and the data flow from railroad track monitoring sensing network controller communication protocol agent apparatus received with the agreement decapsulation handle; The control channel device is used to set up and railroad track is monitored the control information transmission channel between the sensing network controller communication protocol agent apparatus; And the control flows from railroad track monitoring sensing network controller communication protocol agent apparatus received and the agreement decapsulation is handled, be responsible for that simultaneously the control flows that will send to railroad track monitoring sensing network controller communication protocol agent apparatus is carried out protocol encapsulation and handle; DIU data interface unit is used for the data flow that data channel receives is forwarded to other external device (ED) in the railroad track monitoring sensing network controller, to carry out data processing operations such as data aggregate, data filter; The control interface device is used for the control information that the control channel device receives is forwarded to other external device (ED) in the railroad track monitoring sensing network controller; To realize management controlled function such as network device authenticates, network discovery, network insertion, will hand to the control channel device from the control information of external device (ED) simultaneously and transmit.
According to a third aspect of the invention we; A kind of railroad track monitoring sensing network controller communication protocol agent apparatus is provided; It can be embedded in the railroad track monitoring sensing access and multiplexing device, is responsible for realizing the client functionality of railroad track monitoring sensing network controller communication protocol.Comprise in the said device: second deriving means, second dispensing device, the 3rd deriving means, the 3rd dispensing device, data channel, control channel device, data forwarding device, control interface device.Wherein: second deriving means is used to obtain the information from the railroad track monitoring sensor node; Second dispensing device is used to send information to the railroad track monitoring sensor node; The 3rd deriving means is used to obtain the information from railroad track monitoring sensing network controller communication protocol management station device; The 3rd dispensing device is used to send information to railroad track monitoring sensing network controller communication protocol management station device; Data channel is used to set up and railroad track is monitored the data transmission channel between the sensing network controller communication protocol management station device, and the data of being responsible for encapsulating and transmitting from the railroad track monitoring sensor node flow to railroad track monitoring sensing network controller communication protocol management station device; The control channel device is used to set up and railroad track is monitored the control information transmission channel between the sensing network controller communication protocol management station device, and sending and receiving control messages between responsible and the railroad track monitoring sensing network controller communication protocol management station device; The data that data forwarding device is used for encapsulating again from the railroad track monitoring sensor node flow to 802.3 frame formats, and are forwarded to railroad track monitoring sensing network controller communication protocol management station device through data channel; The control interface device is used for the control information that the control channel device receives is forwarded to other external device (ED) in the railroad track monitoring sensing access and multiplexing device; To realize management controlled function such as network device authenticates, network discovery, network insertion, will hand to the control channel device from the control information of external device (ED) simultaneously and transmit.
Two kinds of transport channel types of railroad track monitoring sensing network controller communication protocol are provided according to a forth aspect of the invention: control channel and data channel.Control channel is used for transmitting the control message; The control message transmits control and management function related news such as bearer network discovery, network insertion, equipment disposition, equipment control, device authentication, version loading, equipment debugging, network topology maintenance between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus.Data channel then is used for data message transmission between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus, i.e. the Monitoring Data stream of railroad track monitoring sensor node generation.
According to a fifth aspect of the invention, the definition of railroad track monitoring sensing network controller communication protocol control channel is provided.Railroad track monitoring sensing network controller communication protocol control channel is used to transmit bidirectional control flow.The control channel definition is made up of following data: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller control port, railroad track monitoring sensing access and multiplexing device control port.Wherein: railroad track monitoring sensing network controller control port and railroad track monitoring sensing access and multiplexing device control port are meant the port numbers of the employed udp protocol of railroad track monitoring sensing network controller communication protocol control message transmissions.
According to a sixth aspect of the invention, the definition of railroad track monitoring sensing network controller communication protocol data channel is provided.The definition of railroad track monitoring sensing network controller communication protocol data channel comprises: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller data port, railroad track monitoring sensing access and multiplexing device FPDP.Wherein: railroad track monitoring sensing network controller data port and railroad track monitoring sensing access and multiplexing device FPDP are meant that railroad track monitoring sensing network controller communication protocol data message transmits the port numbers of employed udp protocol.
According to a seventh aspect of the invention; The control message handling process of railroad track monitoring sensing network controller communication protocol is provided; Be used to realize the control information transmission between railroad track monitoring sensing access and multiplexing device and the railroad track monitoring sensing network controller and handle that said flow process comprises following steps:
A) railroad track monitoring sensing network controller communication protocol management station device utilizes the control channel railroad track monitoring sensing network controller communication protocol agent apparatus that transmits control message;
B) railroad track monitoring sensing network controller communication protocol agent apparatus is handled the control messages that receives; Obtain message content, other external device (ED) that message content is submitted in the railroad track monitoring sensing access and multiplexing device through the control interface device is done further processing;
C) railroad track monitoring sensing network controller communication protocol agent apparatus utilizes the control channel railroad track monitoring sensing network controller communication protocol management station device that transmits control message;
D) railroad track monitoring sensing network controller communication protocol management station device is handled the control messages that receives; Obtain message content, other external device (ED) that message content is submitted in the railroad track monitoring sensing network controller through the control interface device is done further processing.
According to an eighth aspect of the invention; The data message handling process of railroad track monitoring sensing network controller communication protocol is provided; Be used to realize the railroad track monitoring sensor node to data information transfer and processing between the railroad track monitoring sensing network controller, said flow process comprises following steps:
A) railroad track monitoring sensing network controller communication protocol agent apparatus receives the data message from the railroad track monitoring sensor node;
B) railroad track monitoring sensing network controller communication protocol agent apparatus extracts the content in the data message and it is encapsulated again;
C) data message after the transmission of railroad track monitoring sensing network controller communication protocol agent apparatus encapsulates again is to railroad track monitoring sensing network controller communication protocol management station device;
D) railroad track monitoring sensing network controller communication protocol management station device receiving data packets; Extract the content in the data message, other external data processing device in submitting in the railroad track monitoring sensing network controller through DIU data interface unit data content is done further data processing.
Adopt scheme of the present invention; Can realize railroad track monitoring sensing network control information and the data message reliable transmission between railroad track monitoring sensing network controller and railroad track monitoring sensing access and multiplexing device, thereby make railroad track monitoring sensing network controller carry out centralized control, management all railroad track monitoring sensing access and multiplexing devices and the railroad track monitoring sensor node in the extensive railroad track monitoring sensing network.
Description of drawings
Through with reference to the detailed description of being done below the advantages to non-limiting example, other features, objects and advantages of the present invention will become more obvious.Illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows railroad track monitoring sensing network architectural schematic;
Fig. 2 shows the structural representation according to the railroad track monitoring sensing network controller communication protocol management station device of a specific embodiment of the present invention;
Fig. 3 shows the structural representation according to the railroad track monitoring sensing network controller communication protocol agent apparatus of a specific embodiment of the present invention;
Fig. 4 shows the flow chart according to the control message handling process of the railroad track monitoring sensing network controller communication protocol of a specific embodiment of the present invention;
Fig. 5 shows the flow chart according to the data message handling process of the railroad track monitoring sensing network controller communication protocol of a specific embodiment of the present invention.
Wherein, same or analogous Reference numeral is represented same or analogous steps characteristic or device/module.
Embodiment
Below in conjunction with accompanying drawing, preferred implementation of the present invention is carried out detailed explanation.
As shown in Figure 1; In railroad track monitoring sensing network; Railroad track monitoring sensing access and multiplexing device 1, railroad track monitoring sensing access and multiplexing device 2, railroad track monitoring sensing access and multiplexing device 3, railroad track monitoring sensing access and multiplexing device n etc. are responsible for the railroad track monitoring sensor node in each local scope of control, organization and administration local sensing network respectively.Railroad track monitoring sensing network controller 1 is the core control equipment of whole railroad track monitoring sensing network, is responsible for all the railroad track monitoring sensing access and multiplexing devices in the network are carried out control and management.
Railroad track monitoring sensing network controller communication protocol runs between railroad track monitoring sensing network controller 1 and each the railroad track monitoring sensing access and multiplexing device, is used to realize control information and the data information transfer between railroad track monitoring sensing network controller 1 and each the railroad track monitoring sensing access and multiplexing device.
Fig. 2 shows the structural representation according to the railroad track monitoring sensing network controller communication protocol management station device of a specific embodiment of the present invention.Railroad track monitoring sensing network controller communication protocol management station device can run in the railroad track monitoring sensing network controller equiment, is responsible for realizing the management end function of railroad track monitoring sensing network controller communication protocol.Railroad track monitoring sensing network communication protocol management station arrangement mainly comprises: parts such as first deriving means 101, first dispensing device 102, data channel 103, control channel device 104, DIU data interface unit 105, control interface device 106.Wherein:
First deriving means 101 is used to obtain the information from railroad track monitoring sensing network controller communication protocol agent apparatus.First deriving means 101 is handed to data channel 103 with the packet that receives, and the controlling packet that receives is handed to control channel device 104.
First dispensing device 102 is used to send information to railroad track monitoring sensing network controller communication protocol agent apparatus.
Data channel 103; Be used to set up and railroad track monitoring sensing network controller communication protocol agent apparatus between data transmission channel; And the data flow of monitoring sensing network controller communication protocol agent apparatus from railroad track is carried out the agreement decapsulation handle, and the data message that obtains is handed to DIU data interface unit 105 do further data processing.
Control channel device 104; Be used to set up and railroad track monitoring sensing network controller communication protocol agent apparatus between the control information transmission channel; And the control flows from railroad track monitoring sensing network controller communication protocol agent apparatus received and the agreement decapsulation is handled, be responsible for that simultaneously the control flows that will send to railroad track monitoring sensing network controller communication protocol agent apparatus is carried out protocol encapsulation and handle.Control channel device 104 is handed to control interface device 106 with the control messages that receives and is carried out relevant treatment; Simultaneously also in the future the control messages of Self Control interface arrangement 106 encapsulate, and send to railroad track monitoring sensing network controller communication protocol agent apparatus through first dispensing device 101.
DIU data interface unit 105 is used for data channel dress, and 103 data flow that receive are forwarded to other external device (ED) in the railroad track monitoring sensing network controller, to carry out data processing operations such as data aggregate, data filter.
In the monitoring of the railroad track shown in Fig. 1 sensing network controller 1; Embed railroad track monitoring sensing network controller communication protocol management station device, mutual with control information and data message between each railroad track monitoring sensing access and multiplexing device in realization and the network.
Fig. 3 shows the railroad track monitoring sensing network controller communication protocol agent apparatus according to a specific embodiment of the present invention; It can be embedded in the railroad track monitoring sensing access and multiplexing device, is responsible for realizing the client functionality of railroad track monitoring sensing network controller communication protocol.Comprise in the railroad track monitoring sensing network control protocol agent apparatus: parts such as second deriving means 201, second dispensing device 202, the 3rd deriving means 203, the 3rd dispensing device 204, data channel 205, control channel device 206, data forwarding device 207, control interface device 208.Wherein:
Second deriving means 201 is used to obtain the information from the railroad track monitoring sensor node, communicates through wireless protocols such as 802.11a/b/g/n between it and the railroad track monitoring sensor node.Second deriving means 201 is handed to data forwarding device 207 with the packet that receives, and the controlling packet that receives is handed to control interface device 208.
Second dispensing device 202 is used to send information to the railroad track monitoring sensor node, communicates through wireless protocols such as 802.11a/b/g/n between it and the railroad track monitoring sensor node.
The 3rd deriving means 203 is used to obtain the information from railroad track monitoring sensing network controller communication protocol management station device.The 3rd deriving means 203 is handed to control channel device 206 with the controlling packet that receives.
The 3rd dispensing device 204 is used to send information to railroad track monitoring sensing network controller communication protocol management station device.
Data channel 205; Be used to set up and railroad track monitoring sensing network controller communication protocol management station device between data transmission channel, be responsible for encapsulation and the data transmitted from the railroad track monitoring sensor node flow to railroad track monitoring sensing network controller communication protocol management station device.
Control channel device 206; Be used to set up and railroad track monitoring sensing network controller communication protocol management station device between the control information transmission channel, and be responsible for and railroad track monitoring sensing network controller communication protocol management station device between the sending and receiving control messages.Control channel device 206 is handed to control interface device 208 with the control messages that receives and is further handled; Simultaneously also in the future the control messages of Self Control interface arrangement 208 encapsulate, submit to the 3rd dispensing device 204 and send to railroad track monitoring sensing network controller communication protocol management station device.
Data forwarding device 207, the data that are used for encapsulating again from the railroad track monitoring sensor node flow to 802.3 frame formats, and are forwarded to railroad track monitoring sensing network controller communication protocol management station device through data channel 205.
Control interface device 208; Be used for the control information that the control channel device receives is forwarded to other external device (ED) in the railroad track monitoring sensing access and multiplexing device; To realize management controlled function such as network device authenticates, network discovery, network insertion, will hand to the control channel device from the control information of external device (ED) simultaneously and transmit.
In railroad track monitoring sensing access and multiplexing devices such as the monitoring of the railroad track shown in Fig. 1 sensing access and multiplexing device 1, railroad track monitoring sensing access and multiplexing device 2; All embed railroad track monitoring sensing network controller communication protocol agent apparatus, mutual with control information and data message between the monitoring of the railroad track in realization and the network sensing network controller.
According to the embodiment of the invention, two kinds of transport channel types of railroad track monitoring sensing network controller communication protocol are provided: control channel and data channel.Communication message between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device can be divided into two types: control message and data message.
The control message is two-way, can monitor the sensing network controller by railroad track and send to railroad track monitoring sensing access and multiplexing device, also can monitor the sensing access and multiplexing device from railroad track and send to railroad track monitoring sensing network controller.Control channel is used for transmission control message between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus, the related news of functions such as the discovery of control message bearer network, network insertion, equipment disposition, equipment control, device authentication, version loading, equipment debugging, network topology maintenance.
Data message is unidirectional, only can monitor the sensing access and multiplexing device from railroad track and send to railroad track monitoring sensing network controller.Data channel then is used for data message transmission between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus, i.e. the Monitoring Data stream of railroad track monitoring sensor node generation.
As shown in Figure 1, in order between railroad track monitoring sensing network controller 1 and railroad track monitoring sensing access and multiplexing device 1, to communicate, at first between two equipment, set up control channel and data channel.Wherein, control channel is used to transmit the control information between railroad track monitoring sensing network controller 1 and the railroad track monitoring sensing access and multiplexing device 1; Data channel is used to transmit the Monitoring Data that the railroad track monitoring sensor node in the local sensing network that railroad track monitoring sensing access and multiplexing device 1 controlled produces and flows to railroad track monitoring sensing network controller 1.
According to the embodiment of the invention, the definition of railroad track monitoring sensing network controller communication protocol control channel is provided.The control channel definition comprises: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller control port, railroad track monitoring sensing access and multiplexing device control port.Wherein: railroad track monitoring sensing network controller control port and railroad track monitoring sensing access and multiplexing device control port are meant the port numbers of the employed udp protocol of railroad track monitoring sensing network communication protocol control message transmissions.Control channel device in control channel device in the railroad track monitoring sensing network communication protocol management station arrangement and the railroad track monitoring sensing network communication protocol proxy device is responsible for setting up and safeguarding control channel, and utilizes control channel to control the transmission of message.
According to the embodiment of the invention, the definition of railroad track monitoring sensing network controller communication protocol data channel is provided.The data channel definition comprises: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller data port, railroad track monitoring sensing access and multiplexing device FPDP.Wherein: railroad track monitoring sensing network controller data port and railroad track monitoring sensing access and multiplexing device FPDP are meant the port numbers of the employed udp protocol of railroad track monitoring sensing network communication protocol data message transmissions.Data channel in data channel in the railroad track monitoring sensing network communication protocol management station arrangement and the railroad track monitoring sensing network communication protocol proxy device is responsible for setting up and the service data passage, and utilizes data channel to carry out the transmission of data message.
According to the embodiment of the invention; A kind of control message handling process of railroad track monitoring sensing network communication protocol is provided, has been used to realize the transmission and the processing of the control information between railroad track monitoring sensing access and multiplexing device and the railroad track monitoring sensing network controller.Below according to Fig. 4 and combine Fig. 1 to introduce this flow process.Wherein, may further comprise the steps:
Step S10, railroad track monitoring sensing network controller communication protocol management station device utilize the control channel railroad track monitoring sensing network controller communication protocol agent apparatus that transmits control message.
Step S11, railroad track monitoring sensing network controller communication protocol agent apparatus is handled the control messages that receives, and obtains message content, message content is handed to external device (ED) through the control interface device do further processing.
Step S12, railroad track monitoring sensing network controller communication protocol agent apparatus utilize the control channel railroad track monitoring sensing network controller communication protocol management station device that transmits control message;
Step S13, railroad track monitoring sensing network controller communication protocol management station device is handled the control messages that receives, and obtains message content, message content is handed to external device (ED) through the control interface device do further processing.
In step S10; Control interface device in the railroad track monitoring sensing network controller communication protocol management station device receives the control message from other external device (ED) of railroad track monitoring sensing network controller; Said control message will send to railroad track monitoring sensing access and multiplexing device 1, and the control message that the control interface device will receive is handed to the control channel device; The control channel device is handed to first dispensing device with it again after the control message is carried out protocol encapsulation; First dispensing device sends this control message and gives the railroad track monitoring sensing network controller communication protocol that is embedded in the railroad track monitoring sensing access and multiplexing device 1 agent apparatus.
In step S11, the 3rd deriving means of railroad track monitoring sensing network controller communication protocol agent apparatus receives the control message from railroad track monitoring sensing network controller communication protocol management station device; The 3rd deriving means is handed to the control channel device with it; The control channel device extracts message content, and submits to the control interface device after the control message is carried out decapsulation; Other external device (ED) that the control interface device is handed to the message content that receives in the railroad track monitoring sensing access and multiplexing device carries out relevant treatment operations, as: railroad track is monitored sensing access and multiplexing device configuration modification request message hand to the equipment disposition device and carry out system configuration.
In step S12; Control interface device in the railroad track monitoring sensing network controller communication protocol agent apparatus receives the control messages from other external device (ED) in the railroad track monitoring sensing access and multiplexing device, as: railroad track monitoring sensing access and multiplexing device configuration modification response message.The control message that the control interface device will receive is handed to the control channel device; The control channel device is handed to the 3rd dispensing device with it again after the control message is carried out protocol encapsulation; The 3rd dispensing device sends this control message and gives the railroad track monitoring sensing network controller communication protocol management station that is embedded in the railroad track monitoring sensing network controller 1 device.
In step S13, first deriving means of railroad track monitoring sensing network controller communication protocol management station device receives the control message from railroad track monitoring sensing network controller communication protocol agent apparatus; First deriving means is handed to the control channel device with it; The control channel device extracts message content, and submits to the control interface device after the control message is carried out decapsulation; The control interface device is transmitted to other external device (ED) of railroad track monitoring sensing network controller according to the message content that receives with it, as: the railroad track monitoring sensing access and multiplexing device configuration modification response message that receives is handed to the equipment disposition device.
According to the embodiment of the invention; A kind of data message handling process of railroad track monitoring sensing network communication protocol is provided; Be used to realize the railroad track monitoring sensor node to data information transfer and processing between the railroad track monitoring sensing network controller, below according to Fig. 5 and combine Fig. 1 to introduce this flow process.Wherein, may further comprise the steps:
Step S20, railroad track monitoring sensing network controller communication protocol agent apparatus receives the data message from the railroad track monitoring sensor node.
Step S21, railroad track monitoring sensing network controller communication protocol agent apparatus extract the content in the data message and it are encapsulated again.
Step S22, the data message that railroad track monitoring sensing network controller communication protocol agent apparatus sends after the encapsulation is again monitored sensing network controller communication protocol management station device to railroad track.
Step S23; Railroad track monitoring sensing network controller communication protocol management station device receiving data packets; Extract the content in the data message, data content is done further data processing through the external data processing device that DIU data interface unit is submitted in the railroad track monitoring sensing network controller.
In step S20; Second receiving system that is embedded in the railroad track monitoring sensing network controller communication protocol agent apparatus in the railroad track monitoring sensing access and multiplexing device receives the data message from the railroad track monitoring sensor node, is wherein carrying the Monitoring Data that the railroad track monitoring sensor node collects.Second receiving system is handed to data forwarding device with the data message of receiving.
In step S21, the data forwarding device in the railroad track monitoring sensing network controller communication protocol agent apparatus extracts the data flow in the data message, and it is encapsulated again, submits to data channel.
In step S22; Data message after data channel in the railroad track monitoring sensing network controller communication protocol agent apparatus will encapsulate is handed to the 3rd dispensing device, and sends it to railroad track monitoring sensing network controller communication protocol management station device by the 3rd dispensing device.
In step S23, the first receiving device in the railroad track monitoring sensing network controller communication protocol management station device receives the data message from railroad track monitoring sensing network controller communication protocol agent apparatus, and it is handed to data channel.Data channel extracts the data flow in the message, and through DIU data interface unit its external data processing device of handing in the railroad track monitoring sensing network controller is done further data processing, as: operations such as data filter, data aggregate.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done is equal to replacement, improves etc., all should be included within protection scope of the present invention.
Claims (10)
1. a railroad track is monitored the sensing network controller communication protocol, it is characterized in that:
A) railroad track monitoring sensing network controller communication protocol is Interactive control and the Data Transport Protocol between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device; Through this agreement; Railroad track monitoring sensing network control information and data message can be monitored reliable transmission between sensing network controller and the railroad track monitoring sensing access and multiplexing device at railroad track, thereby make railroad track monitoring sensing network controller carry out centralized control, management to all railroad track monitoring sensing access and multiplexing devices and the railroad track monitoring sensor node in the extensive railroad track monitoring sensing network;
B) railroad track monitoring sensing network controller communication protocol runs between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device, is used to carry control message and the data message between railroad track monitoring sensing network controller and the railroad track monitoring sensing access and multiplexing device;
C) railroad track monitoring sensing network controller communication protocol is responsible for realization by the railroad track monitoring sensing network controller communication protocol management station device that is embedded in the railroad track monitoring sensing network controller with the railroad track monitoring sensing network controller communication protocol agent apparatus that is embedded in the railroad track monitoring sensing access and multiplexing device.
2. railroad track monitoring sensing network controller communication protocol according to claim 1, its characteristic also is:
A) railroad track monitoring sensing network controller communication protocol provides two types transmission channel: control channel and data channel;
B) control channel is used for transmitting the control message; The control message transmits control and management function related news such as bearer network discovery, network insertion, equipment disposition, equipment control, device authentication, version loading, equipment debugging, network topology maintenance between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus;
C) data channel then is used for data message transmission between railroad track monitoring sensing network controller communication protocol management station's device and railroad track monitoring sensing network controller communication protocol agent apparatus, i.e. the Monitoring Data stream of railroad track monitoring sensor node generation.
3. according to the described railroad track monitoring of claim 1-2 sensing network controller communication protocol, the characteristic of the control channel of railroad track monitoring sensing network controller communication protocol also is:
A) definition of the control channel of railroad track monitoring sensing network controller communication protocol comprises: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller control port, railroad track monitoring sensing access and multiplexing device control port;
B) railroad track monitoring sensing network controller control port and railroad track monitoring sensing access and multiplexing device control port are meant that railroad track monitoring sensing network controller communication protocol controls the employed udp port of message transmissions number.
4. according to the described railroad track monitoring of claim 1-2 sensing network controller communication protocol, the characteristic of the data channel of railroad track monitoring sensing network controller communication protocol also is:
A) definition of railroad track monitoring sensing network controller communication protocol data channel comprises: railroad track monitoring sensing network controller IP address, railroad track monitoring sensing access and multiplexing device IP address, railroad track monitoring sensing network controller data port, railroad track monitoring sensing access and multiplexing device FPDP;
B) railroad track monitoring sensing network controller data port and railroad track monitoring sensing access and multiplexing device FPDP are meant that railroad track monitors sensing network controller communication protocol data message and transmit employed udp port number.
5. according to the described railroad track monitoring of claim 1-2 sensing network controller communication protocol, its characteristic is that also the control message handling process of railroad track monitoring sensing network controller communication protocol comprises following steps:
A) railroad track monitoring sensing network controller communication protocol management station device utilizes the control channel railroad track monitoring sensing network controller communication protocol agent apparatus that transmits control message;
B) railroad track monitoring sensing network controller communication protocol agent apparatus is handled the control messages that receives; Obtain message content, other external device (ED) that message content is submitted in the railroad track monitoring sensing access and multiplexing device through control interface is done further processing;
C) railroad track monitoring sensing network controller communication protocol agent apparatus utilizes the control channel railroad track monitoring sensing network controller communication protocol management station device that transmits control message;
D) railroad track monitoring sensing network controller communication protocol management station device is handled the control messages that receives; Obtain message content, other external device (ED) that message content is submitted in the railroad track monitoring sensing network controller through the control interface device is done further processing.
6. according to the described railroad track monitoring of claim 1-2 sensing network controller communication protocol, its characteristic is that also the data message handling process of railroad track monitoring sensing network controller communication protocol comprises following steps:
A) railroad track monitoring sensing network controller communication protocol agent apparatus receives the data message from the railroad track monitoring sensor node;
B) railroad track monitoring sensing network controller communication protocol agent apparatus extracts the content in the data message and it is encapsulated again;
C) data message after the transmission of railroad track monitoring sensing network controller communication protocol agent apparatus encapsulates again is to railroad track monitoring sensing network controller communication protocol management station device;
D) railroad track monitoring sensing network controller communication protocol management station device receiving data packets; Extract the content in the data message, the external data processing device in submitting in the railroad track monitoring sensing network controller through DIU data interface unit data content is done further data processing.
7. a railroad track is monitored sensing network controller communication protocol management station device, and it runs in the railroad track monitoring sensing network controller equiment, is responsible for realizing the management end function of railroad track monitoring sensing network controller communication protocol, it is characterized in that:
A) comprise in the railroad track monitoring sensing network controller communication protocol management station device: first deriving means, first dispensing device, data channel, control channel device, DIU data interface unit, control interface device;
B) first deriving means is used to obtain the information from railroad track monitoring sensing network controller communication protocol agent apparatus;
C) first dispensing device is used to send information to railroad track monitoring sensing network controller communication protocol agent apparatus;
D) data channel be used to set up and railroad track monitoring sensing network controller communication protocol agent apparatus between data transmission channel, and the data flow from railroad track monitoring sensing network controller communication protocol agent apparatus received with the agreement decapsulation handle;
E) the control channel device be used to set up and railroad track monitoring sensing network controller communication protocol agent apparatus between the control information transmission channel; And the control flows from railroad track monitoring sensing network controller communication protocol agent apparatus received and the agreement decapsulation is handled, be responsible for that simultaneously the control flows that will send to railroad track monitoring sensing network controller communication protocol agent apparatus is carried out protocol encapsulation and handle;
F) DIU data interface unit is used for the data flow that data channel receives is forwarded to other external data processing device in the railroad track monitoring sensing network controller, to carry out data processing operations such as data aggregate, data filter;
G) the control interface device is used for the control information that the control channel device receives is forwarded to other external device (ED) in the railroad track monitoring sensing network controller; To realize management controlled function such as network device authenticates, network discovery, network insertion, will hand to the control channel device from the control information of external device (ED) simultaneously and transmit.
8. a railroad track is monitored sensing network controller communication protocol agent apparatus, and it can be embedded in the railroad track monitoring sensing access and multiplexing device, is responsible for realizing the client functionality of railroad track monitoring sensing network controller communication protocol, it is characterized in that:
A) comprise in the railroad track monitoring sensing network controller communication protocol agent apparatus: second deriving means, second dispensing device, the 3rd deriving means, the 3rd dispensing device, data channel, control channel device, data forwarding device, control interface device;
B) second deriving means is used to obtain the information from the railroad track monitoring sensor node;
C) second dispensing device is used to send information to the railroad track monitoring sensor node;
D) the 3rd deriving means is used to obtain the information from railroad track monitoring sensing network controller communication protocol management station device;
E) the 3rd dispensing device is used to send information to railroad track monitoring sensing network controller communication protocol management station device;
F) data channel be used to set up and railroad track monitoring sensing network controller communication protocol management station device between data transmission channel, be responsible for encapsulation and the data transmitted from the railroad track monitoring sensor node flow to railroad track monitoring sensing network controller communication protocol management station device;
G) the control channel device be used to set up and railroad track monitoring sensing network controller communication protocol management station device between the control information transmission channel, and be responsible for and railroad track monitoring sensing network controller communication protocol management station device between the sending and receiving control messages;
H) the data forwarding device data that are used for encapsulating again from the railroad track monitoring sensor node flow to 802.3 frame formats, and are forwarded to railroad track monitoring sensing network controller communication protocol management station device through data channel;
I) the control interface device is used for the control information that the control channel device receives is forwarded to other external device (ED) in the railroad track monitoring sensing access and multiplexing device; To realize management controlled function such as network device authenticates, network discovery, network insertion, will hand to the control channel device from the control information of external device (ED) simultaneously and transmit.
9. the controller equiment in communication network is monitored sensing network controller communication protocol management station device comprising railroad track according to claim 7.
10. the access device in communication network is monitored sensing network controller communication protocol agent apparatus comprising railroad track according to claim 8.
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