CN102638787B - A kind of railroad track monitoring sensor node collocation method - Google Patents
A kind of railroad track monitoring sensor node collocation method Download PDFInfo
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- CN102638787B CN102638787B CN201110036560.9A CN201110036560A CN102638787B CN 102638787 B CN102638787 B CN 102638787B CN 201110036560 A CN201110036560 A CN 201110036560A CN 102638787 B CN102638787 B CN 102638787B
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Abstract
The present invention relates to Information & Communication Technology field, be specifically related to a kind of railroad track monitoring sensor node collocation method.In railroad track monitoring sensing network, in order to realize the plug and play of railroad track monitoring sensor node, reduce railroad track monitoring sensing network operation maintenance load, railroad track monitoring sensor node only preserves the most basic configuration, other configuration informations, all after railroad track monitoring sensor node starts, obtain from railroad track monitoring sensing access and multiplexing device automatically.The present invention proposes a kind of railroad track monitoring sensor node collocation method, thus help railroad track monitoring sensor node dynamically to obtain configuration information from railroad track monitoring sensing access and multiplexing device, carry out system configuration.When after the amendment of railroad track monitoring sensor node configuration information, amended configuration information also can be issued to relevant railway track monitoring sensor node immediately, thus carries out real-time config update to relevant railway track monitoring sensor node.
Description
Technical field
The present invention relates to communication network, particularly relate to a kind of railroad track monitoring sensor node Configuration Online method in railroad track monitoring sensing network.
Background technology
Along with the continuous speed-raising of railway transportation, also more and more higher to the requirement of railway track safety, all kinds of parameters of railroad track, as: the timely acquisition of rail temperature, rail stress, track sedimentation, track deformation etc. information, contribute to accurately judging rail state, control train running speed, guarantee the safety of railway transportation.But because railroad track monitoring range is large, environment critical, does not also have suitable technological means to solve the Real-Time Monitoring problem of railroad track parameter on a large scale at present.
Technology of wireless sensing network can utilize super low-power consumption sensor senses environmental parameter, and realizes wireless networking, transmits the information gathered in time.But current sensor network technology also concentrates on small scale network design substantially, cannot be applicable to the target of railroad track monitoring.
In order to solve railroad track monitoring problem, as shown in Figure 1, a kind of monitoring sensing network architecture of the railroad track based on technology of wireless sensing network and serial networking equipment are suggested, thus effectively can set up extensive railroad track monitoring sensing network.
Railroad track monitoring sensing network comprises the 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, by layering networking mode, can manage, control the railroad track monitoring sensor node of 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, achieves the function 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 local scope, it is under the control of railroad track monitoring sensing network controller, realizes the topology maintenance of railroad track monitoring sensing network within the scope of local area and the management control of railroad track monitoring sensor node.Railroad track monitoring sensor node is responsible for gathering different kinds of railways railway monitoring data.Railroad track monitoring gateway is responsible for the distribution realizing railroad track monitoring sensing network controller and railroad track monitoring sensing access and multiplexing device, for the railroad track monitoring sensing access and multiplexing device dynamic assignment in railroad track monitoring network can provide network insertion for it and control the railroad track monitoring sensing network controller of service, and network insertion can be provided for it for railroad track monitoring sensor node dynamic assignment and control the railroad track monitoring sensing access and multiplexing device of service.
In railroad track monitoring sensing network, it is along the line that a large amount of railroad track monitoring sensor node is distributed on railroad track, is responsible for gathering all kinds of railroad track parameter in real time.In order to realize the plug and play of railroad track monitoring sensor node, thus reduce railroad track monitoring sensing network operation maintenance load, railroad track monitoring sensor node only preserves the most basic configuration, other all configuration informations are all after railroad track monitoring sensor node starts, and level network management device-railroad track monitoring sensing access and multiplexing device obtains from it automatically.
Summary of the invention
The present invention is directed to the railroad track monitoring sensing network architecture shown in Fig. 1 and networking equipment, propose a kind of railroad track monitoring sensor node collocation method, thus help railroad track monitoring sensor node dynamically to obtain configuration information from railroad track monitoring sensing access and multiplexing device, carry out system configuration.
According to a first aspect of the invention, provide a kind of railroad track monitoring sensor node collocation method, thus help railroad track monitoring sensor node dynamically to obtain configuration information from railroad track monitoring sensing access and multiplexing device, carry out system configuration, it is characterized in that:
A) railroad track monitoring sensing access and multiplexing device preserves the configuration data of all railroad track monitoring sensor nodes in its local railroad track monitoring sensing network controlled;
B) when railroad track monitoring sensor node obtains a railroad track monitoring sensing access and multiplexing device that network insertion can be provided to serve for it by the discovery procedure of railroad track monitoring sensing access and multiplexing device, and complete with the network insertion process of described railroad track monitoring sensing access and multiplexing device after, railroad track monitoring sensor node enters layoutprocedure;
C) in railroad track monitoring sensor node layoutprocedure, railroad track monitoring sensor node obtains configuration information from railroad track monitoring sensing access and multiplexing device, and carries out system configuration according to the configuration information obtained to railroad track monitoring sensor node;
D) railroad track monitoring sensing access and multiplexing device by forwarding railway railway monitoring sensor node configuration modification request message to railroad track monitoring sensor node, can require that the railroad track monitoring sensor node being in running status is configured amendment at any time;
E) railroad track monitoring sensing access and multiplexing device can remove request message to railroad track monitoring sensor node by the configuration of forwarding railway railway monitoring sensor node, requires that railroad track monitoring sensor node recovers it and is configured to factory default configuration.
According to a second aspect of the invention, a kind of railroad track monitoring sensor node configuration request message is provided.Railroad track monitoring sensor node configuration request message is provided configuration information for asking railroad track to monitor sensing access and multiplexing device for it by railroad track monitoring sensor node.The information carried in railroad track monitoring sensor node configuration request message comprises: railroad track monitoring sensor node mark, railroad track monitoring sensor node hardware sequence number.Wherein: the network internal identification number of railroad track monitoring sensor node mark for carrying railroad track monitoring sensor node; Railroad track monitoring sensor node hardware sequence number is for carrying the hardware sequence number of railroad track monitoring sensor node.
According to a third aspect of the invention we, a kind of railroad track monitoring sensor node configuration response message is provided.Railroad track monitoring sensor node configuration response message is used for providing configuration information for railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device.The information carried in railroad track monitoring sensor node configuration response message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table.Wherein: railroad track monitoring sensing access and multiplexing device timestamp represents the present system time of railroad track monitoring sensing access and multiplexing device, it by railroad track monitoring sensing access and multiplexing device be used for synchronous its clock of all railroad track monitoring sensor nodes in the local railroad track monitoring sensing network that controls; Sensor node configuration data table for carrying the configuration information of railroad track monitoring sensor node, the list that it is made up of parameter type, parameter length, parameter value three subdomains.Parameter type refers to this parameter type configured; Parameter length refers to the byte number shared by parameter codomain; Parameter codomain carries the value of this parameter.Many parameter informations can be carried in a configuration data table.
After railroad track monitoring sensing access and multiplexing device receives the railroad track monitoring sensor node configuration request message from railroad track monitoring sensor node, the configuration information of described railroad track monitoring sensor node can be encapsulated in railroad track monitoring sensor node configuration response message, send to railroad track monitoring sensor node.
According to a forth aspect of the invention, a kind of railroad track monitoring sensor node configuration modification request message is provided.Railroad track monitoring sensor node configuration modification request message is monitored sensing access and multiplexing device by railroad track and is sent to railroad track monitoring sensor node, requires that the railroad track monitoring sensor node be in running status is configured renewal.The information carried in railroad track monitoring sensor node configuration modification request message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table, version identifier, start-up loading.Wherein: railroad track monitoring sensing access and multiplexing device timestamp represents the present system time of railroad track monitoring sensing access and multiplexing device, it is used for the clock of synchronous railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device; The configuration information of sensor node configuration data table carrying railroad track monitoring sensor node, the list that it is made up of parameter type, parameter length, parameter value three subdomains, parameter type refers to this parameter type configured, parameter length refers to the byte number shared by parameter codomain, and parameter codomain carries the value of this parameter; Version identifier is used for indicating to railroad track monitoring sensor node the version identifier requiring the firmware version that railroad track monitoring sensor node loads by railroad track monitoring sensing access and multiplexing device; Start-up loading is used for notifying that railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.
Railroad track monitoring sensor node is after receiving railroad track monitoring sensor node configuration modification request message, if find that start-up loading is wherein set to 1, then start railroad track monitoring sensor node firmware version subsequently and load flow process, from the new firmware version indicated by railroad track monitoring sensing access and multiplexing device load application version identifier to railroad track monitoring sensor node.
According to a fifth aspect of the invention, a kind of railroad track monitoring sensor node configuration modification response message is provided.Railroad track monitoring sensor node configuration modification response message is the response message to railroad track monitoring sensor node configuration modification request message, sends to railroad track to monitor sensing access and multiplexing device by railroad track monitoring sensor node after receiving railroad track monitoring sensor node configuration modification request message.The information carried in railroad track monitoring sensor node configuration modification response message comprises: object code.Object code represents the execution result of configuration modification request, wherein: 0 represents configuration modification success, and 1 represents configuration modification failure.
Railroad track monitoring sensor node carrys out by railroad track monitoring sensor node configuration modification response message the execution result confirming railroad track monitoring sensor node configuration modification request message to railroad track monitoring sensing access and multiplexing device.Railroad track monitoring sensor node uses the configuration information carried in railroad track monitoring sensor node configuration modification request message to be configured self, if configuration successful, object code then in railroad track monitoring sensor node configuration modification response message is set to 0, otherwise object code is set to 1.If the object code in the railroad track monitoring sensor node configuration modification response message that railroad track monitoring sensing access and multiplexing device receives is 1, then railroad track monitoring sensing access and multiplexing device can according to collocation strategy, determine no longer for this railroad track monitoring sensor node provides network insertion service, and require that this railroad track monitoring sensor node is restarted, to rediscover other the railroad track that network insertion can be provided to serve for it monitoring sensing access and multiplexing device.
According to a sixth aspect of the invention, provide the configuration of a kind of railroad track monitoring sensor node and remove request message.Railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node configuration removing request message comes its factory default that is configured to of requirement railroad track monitoring sensor node replacement and configures.The configuration of railroad track monitoring sensor node is removed in request message and is not carried any message element.
Remove request message when railroad track monitoring sensor node receives the configuration of railroad track monitoring sensor node, the factory default that is configured to that it can reset it configures.
According to a seventh aspect of the invention, provide the configuration of a kind of railroad track monitoring sensor node and remove response message.Railroad track monitoring sensor node receive railroad track monitoring sensor node configuration remove request message and reset it be configured to factory default configuration after, the configuration of forwarding railway railway monitoring sensor node removes response message to railroad track monitoring sensing access and multiplexing device, to return configuration clear operation result.The configuration of railroad track monitoring sensor node is removed the information carried in response message and is comprised: object code.Object code represents that the result that configuration is removed, object code are 0 expression configuration clear operation success, and object code is 1 expression configuration clear operation failure.
According to an eighth aspect of the invention, the Configuration Online process of railroad track monitoring sensor node is provided.Wherein, comprise the following steps:
A) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration request message is to railroad track monitoring sensing access and multiplexing device, request configuration information;
B) railroad track monitoring sensing access and multiplexing device is that described railroad track monitoring sensor node generates railroad track monitoring sensor node configuration data table;
C) railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node configuration response message, carries railroad track monitoring sensor node configuration data table in the message;
D) railroad track monitoring sensor node is according to step c) configuration information that obtains carries out system configuration.
According to a ninth aspect of the invention, the configuration modification flow process of railroad track monitoring sensor node is provided.Wherein, comprise the following steps:
A) railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node configuration modification request message asks the configuration of amendment railroad track monitoring sensor node to railroad track monitoring sensor node;
B), after railroad track monitoring sensor node receives railroad track monitoring sensor node configuration modification request message, configuration modification operation is performed according to the configuration data carried in message;
C) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration modification response message confirms the result of configuration modification to railroad track monitoring sensing access and multiplexing device.
According to the tenth aspect of the invention, the factory default configuration restore flow process of railroad track monitoring sensor node is provided.Wherein, comprise the following steps:
A) configuration of railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node is removed request message and is carried out requirement railroad track monitoring sensor node to railroad track monitoring sensor node and return to factory default and configure;
B) railroad track monitoring sensor node performs configuration clear operation, recovers himself to be configured to factory default configuration;
C) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration removing response message confirms to railroad track monitoring sensing access and multiplexing device the default configuration restoration result that dispatches from the factory.
Adopt the solution of the present invention, railroad track monitoring sensor node dynamically can obtain configuration information from railroad track monitoring sensing access and multiplexing device upon actuation, is configured self.Railroad track monitoring sensing access and multiplexing device also in running, can upgrade the configuration of all railroad track monitoring sensor nodes in its local sensing network controlled at any time.
Accompanying drawing explanation
Read the following detailed description to non-limiting example by referring to accompanying drawing, other features, objects and advantages of the present invention will become more obvious.Schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the system architecture diagram of railroad track monitoring sensing network;
Fig. 2 shows the flow chart of the railroad track monitoring sensor node Configuration Online process according to a specific embodiment of the present invention;
Fig. 3 shows the flow chart of the configuration modification process of the railroad track monitoring sensor node according to a specific embodiment of the present invention;
Fig. 4 shows the flow chart of the factory default configuration restore process of the railroad track monitoring sensor node according to a specific embodiment of the present invention.
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic or device/module.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
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 controlling the railroad track monitoring sensor node in each local scope, 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 carrying out control and management to all railroad track monitoring sensing access and multiplexing devices in network.
The configuration data of all railroad track monitoring sensor nodes in its local railroad track monitoring sensing network controlled is preserved in railroad track monitoring sensing access and multiplexing device 1.After railroad track monitoring sensor node 1 is successfully implemented to the network insertion process of railroad track monitoring sensing access and multiplexing device 1, railroad track monitoring sensor node 1 enters configuration phase, namely obtain configuration information from railroad track monitoring sensing access and multiplexing device 1, and according to the configuration information obtained, system configuration is carried out to himself.Railroad track monitoring sensor node 1 performs the configuration of railroad track monitoring sensor node and loads flow process, obtains configuration information, and utilize the configuration information obtained to carry out system configuration to self from railroad track monitoring sensing access and multiplexing device 1.
When the configuration information in railroad track monitoring sensing access and multiplexing device 1 changes, railroad track monitoring sensing access and multiplexing device 1 starts railroad track monitoring sensor node config update flow process to upgrade the configuration information of railroad track monitoring sensor node 1.Railroad track monitoring sensing access and multiplexing device 1 also configures to the factory default that is configured to of recovering railroad track monitoring sensor node 1 by the configuration restore handling process of dispatching from the factory of railroad track monitoring sensor node.
Below, be described a second aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
After railroad track monitoring sensor node 1 is accomplished to the network insertion process of railroad track monitoring sensing access and multiplexing device 1, railroad track monitoring sensor node configuration request message is sent to railroad track monitoring sensing access and multiplexing device 1 by railroad track monitoring sensor node 1, the essential information transmitting it to railroad track monitoring sensing access and multiplexing device 1, and asks railroad track to monitor sensing access and multiplexing device 1 to load it and be configured to railroad track monitoring sensor node 1.
The information carried in railroad track monitoring sensor node configuration request message comprises: railroad track monitoring sensor node mark, railroad track monitoring sensor node hardware sequence number.Wherein:
Railroad track monitoring sensor node identifies, for carrying the network internal identification number of railroad track monitoring sensor node.
Railroad track monitoring sensor node hardware sequence number, for carrying the hardware sequence number of railroad track monitoring sensor node.A unique hardware sequence number is furnished with, for unique identification railroad track monitoring sensor node hardware when each railroad track monitoring sensor node dispatches from the factory.
Below, be described a third aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Railroad track monitoring sensor node configuration response message is that railroad track monitors sensing access and multiplexing device to the response message of railroad track monitoring sensor node configuration request message, monitors sensing access and multiplexing device send to railroad track monitoring sensor node to provide the configuration data of railroad track monitoring sensor node by railroad track.The information carried in railroad track monitoring sensor node configuration response message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table.Wherein:
Railroad track monitoring sensing access and multiplexing device timestamp represents the present system time of railroad track monitoring sensing access and multiplexing device, it by railroad track monitoring sensing access and multiplexing device be used for synchronous its clock of all railroad track monitoring sensor nodes in the local railroad track monitoring sensing network that controls.
Sensor node configuration data table is made up of parameter type, parameter length, parameter value three subdomains.Parameter type refers to this parameter type number configured; Parameter length refers to the byte number shared by parameter codomain; Parameter codomain carries the value of this parameter.Comprise the various configuration informations of railroad track monitoring sensor node in sensor node configuration data table, every configuration all has a self-defining parameter type number.Railroad track monitoring sensor node carries out system configuration by according to the configuration information in sensor node configuration data table to railroad track monitoring sensor node self after receiving railroad track monitoring sensor node configuration response message.
After railroad track monitoring sensor node 1 is accomplished to the network insertion process of railroad track monitoring sensing access and multiplexing device 1, its forwarding railway railway monitoring sensor node configuration request message is to railroad track monitoring sensing access and multiplexing device 1, railroad track monitoring sensing access and multiplexing device 1 can retrieve the configuration data of railroad track monitoring sensor node 1, and by railroad track monitoring sensor node configuration response message forwarding railway railway monitoring sensor node configuration data to railroad track monitoring sensor node 1.
Below, be described a fourth aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Railroad track monitoring sensor node configuration modification request message is sent to railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device, requires that the railroad track monitoring sensor node be in running status is configured renewal.The information carried in railroad track monitoring sensor node configuration modification request message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table, version identifier, start-up loading.Wherein:
Railroad track monitoring sensing access and multiplexing device timestamp, for representing the present system time of railroad track monitoring sensing access and multiplexing device, it is used for the clock of synchronous railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device.
Sensor node configuration data table is made up of parameter type, parameter length, parameter value three subdomains.Parameter type refers to this parameter type number configured; Parameter length refers to the byte number shared by parameter codomain; Parameter codomain carries the value of this parameter.The railroad track monitoring sensor node configuration parameter after renewal is carried in sensor node configuration data table, railroad track monitoring sensor node after receiving railroad track monitoring sensor node configuration modification request message, by the configuration information utilized in parameter configuration data table to upgrade the system configuration of self.
Version identifier is used for indicating to railroad track monitoring sensor node the version identifier requiring the firmware version that railroad track monitoring sensor node loads by railroad track monitoring sensing access and multiplexing device.
Start-up loading is used for notifying that railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.Railroad track monitoring sensor node can send edition data request message immediately to railroad track monitoring sensing access and multiplexing device, starts firmware version and loads flow process.
When railroad track monitoring sensing access and multiplexing device 1 will revise the configuration data of railroad track monitoring sensor node 1, railroad track monitoring sensing access and multiplexing device 1 forwarding railway railway monitoring sensor node configuration modification request message is to railroad track monitoring sensor node 1.Railroad track monitoring sensor node 1, after receiving railroad track monitoring sensor node configuration modification request message, revises the configuration of self according to the configuration data carried in message.If the start-up loading in message is set to 1, railroad track monitoring sensor node 1 sends edition data request message immediately to railroad track monitoring sensing access and multiplexing device 1, start railroad track monitoring sensor node firmware version and load flow process, from the new firmware version indicated by railroad track monitoring sensing access and multiplexing device 1 load application version identifier to railroad track monitoring sensor node 1.
Below, be described a fifth aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Railroad track monitoring sensor node configuration modification response message is the response message to railroad track monitoring sensor node configuration modification request message, sends to railroad track to monitor sensing access and multiplexing device by railroad track monitoring sensor node after receiving railroad track monitoring sensor node configuration modification request message.The information carried in railroad track monitoring sensor node configuration modification response message comprises: object code.If the success of railroad track monitoring sensor node configuration modification, then object code is set to 0; Otherwise object code is set to 1.By the object code carried in railroad track monitoring sensor node configuration modification response message, whether railroad track monitoring sensing access and multiplexing device can be recognized the configuration modification operation of railroad track monitoring sensor node successful in time.
When after the railroad track monitoring sensor node configuration modification request message that railroad track monitoring sensor node 1 receives from railroad track monitoring sensing access and multiplexing device 1, railroad track monitoring sensor node 1 uses the configuration information in railroad track monitoring sensor node configuration modification request message to be configured self, if configuration modification success, object code then in railroad track monitoring sensor node configuration modification response message is set to successfully, otherwise the object code in railroad track monitoring sensor node configuration modification response message is set to unsuccessfully.Railroad track monitoring sensor node 1 confirms the execution result of railroad track monitoring sensor node configuration modification request message to railroad track monitoring sensing access and multiplexing device 1 by forwarding railway railway monitoring sensor node configuration modification response message.
Below, be described a sixth aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
What the configuration of railroad track monitoring sensing access and multiplexing device 1 forwarding railway railway monitoring sensor node removed that request message comes that requirement railroad track monitoring sensor node 1 resets it is configured to factory default configuration.Remove request message when railroad track monitoring sensor node 1 receives the configuration of railroad track monitoring sensor node, the factory default that is configured to that it can reset it configures.
Below, be described a seventh aspect of the present invention, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
After railroad track monitoring sensor node 1 receives the railroad track monitoring sensor node configuration removing request message from railroad track monitoring sensing access and multiplexing device 1, the factory default that is configured to that railroad track monitoring sensor node 1 resets it configures, the configuration of forwarding railway railway monitoring sensor node removes response message to railroad track monitoring sensing access and multiplexing device 1, carrys out the execution result of feedback configuration clear operation.The configuration of railroad track monitoring sensor node is removed the information carried in response message and is comprised: object code.Object code represents the result of configuration modification, and 0 represents that configuration is removed successfully, and 1 represents that configuration is removed unsuccessfully.
According to the embodiment of the present invention, additionally provide a kind of handling process of railroad track monitoring sensor node Configuration Online process.Below according to Fig. 2 and composition graphs 1 introduces this flow process.This flow process comprises following treatment step:
Step S10, railroad track monitoring sensor node 1 forwarding railway railway monitoring sensor node configuration request message, to railroad track monitoring sensing access and multiplexing device 1, asks configuration information.
Step S11, railroad track monitoring sensing access and multiplexing device 1 generates the configuration information of railroad track monitoring sensor node 1, wherein comprise all kinds of configuration parameters of railroad track monitoring sensor node 1, relevant parameter configuration is comprised in sensor node configuration data table.
Step S12, railroad track monitoring sensing access and multiplexing device 1 forwarding railway railway monitoring sensor node configuration response message, to railroad track monitoring sensor node 1, carries the railroad track monitoring sensor node configuration information generated in step S11 in message.
Step S13, railroad track monitoring sensor node 1 carries out system configuration according to the configuration information obtained in step S12 to self.
Railroad track monitoring sensor node 1 upon actuation, by performing the Configuration Online process of railroad track monitoring sensor node, sensing access and multiplexing device 1 Dynamic Acquisition railroad track monitoring sensor node configuration data can be monitored from railroad track, system configuration is carried out to himself.
According to the embodiment of the present invention, additionally provide a kind of handling process of configuration modification process of railroad track monitoring sensor node.Below according to Fig. 3 and composition graphs 1 introduces this flow process.This flow process comprises following treatment step:
Step S20, railroad track monitoring sensing access and multiplexing device 1 can in railroad track monitoring sensor node 1 normal course of operation, and forwarding railway railway monitoring sensor node configuration modification request message asks the configuration information upgrading railroad track monitoring sensor node 1.
Step S21, after railroad track monitoring sensor node 1 receives railroad track monitoring sensor node configuration modification request message, extracts configuration data wherein, and according to these configuration datas, performs config update operation, change the system configuration of himself.
Step S22, railroad track monitoring sensor node 1 forwarding railway railway monitoring sensor node configuration modification response message confirms the result of configuration modification to railroad track monitoring sensing access and multiplexing device 1.If configuration modification success, then the object code in railroad track monitoring sensor node configuration modification response message is 0, otherwise the object code in railroad track monitoring sensor node configuration modification response message is 1.
Railroad track monitoring sensing access and multiplexing device 1 can carry out the configuration of all railroad track monitoring sensor nodes in its local railroad track monitoring sensing network of controlling of online updating by railroad track monitoring sensor node configuration modification flow process.Such as: the data acquiring frequency that improve the railroad track monitoring sensor node of responsible rail temperature monitoring, then railroad track monitoring sensing access and multiplexing device 1 generates sensor node configuration data table, wherein comprises the data collection cycle time after change.Newly-generated sensor node configuration data table is embedded in railroad track monitoring sensor node configuration modification request message by railroad track monitoring sensing access and multiplexing device 1, the railroad track monitoring sensor node of all responsible rail temperature monitoring in the local sensing network sending to it to control.These railroad track monitoring sensor nodes are after receiving railroad track monitoring sensor node configuration modification request message, utilize configuration data wherein to upgrade the system configuration of self, thus corresponding modify has been done in the data collection cycle configuration on railroad track monitoring sensor node.After this, the railroad track monitoring sensor node of all responsible rail temperature monitoring in the local sensing network that controls of railroad track monitoring sensing access and multiplexing device 1 all can according to the data collection cycle after renewal to gather rail temperature.
According to the embodiment of the present invention, additionally provide a kind of factory default configuration restore flow process of railroad track monitoring sensor node.Below according to Fig. 4 and composition graphs 1 introduces this flow process.This flow process comprises following treatment step:
Step S30, railroad track monitoring sensing access and multiplexing device 1 forwarding railway railway monitoring sensor node configuration removing request message carrys out requirement railroad track monitoring sensor node 1 and recovers himself to be configured to factory default configuration.
Step S31, railroad track monitoring sensor node 1 performs railroad track monitoring sensor node configuration clear operation, and that recovers himself is configured to factory default configuration.
Step S32, the configuration of railroad track monitoring sensor node 1 forwarding railway railway monitoring sensor node is removed response message and is confirmed the default configuration restoration result that dispatches from the factory.If step S31 runs succeeded, then the object code that the configuration of railroad track monitoring sensor node is removed in response message is 0, otherwise the object code that the configuration of railroad track monitoring sensor node is removed in response message is 1.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improves, all should be included within protection scope of the present invention.
Claims (9)
1. the railroad track monitoring sensor node collocation method in a railroad track monitoring sensing network, thus help railroad track monitoring sensor node dynamically to obtain configuration information from railroad track monitoring sensing access and multiplexing device, carry out system configuration, it is characterized in that:
101) railroad track monitoring sensing access and multiplexing device preserves the configuration data of all railroad track monitoring sensor nodes in its local railroad track monitoring sensing network controlled;
102) when railroad track monitoring sensor node obtains a railroad track monitoring sensing access and multiplexing device that network insertion can be provided to serve for it by the discovery procedure of railroad track monitoring sensing access and multiplexing device, and complete with the network insertion process of described railroad track monitoring sensing access and multiplexing device after, railroad track monitoring sensor node enters layoutprocedure;
103) in railroad track monitoring sensor node layoutprocedure, railroad track monitoring sensor node obtains configuration information from railroad track monitoring sensing access and multiplexing device, carries out system configuration to railroad track monitoring sensor node;
104) railroad track monitoring sensing access and multiplexing device by forwarding railway railway monitoring sensor node configuration modification request message to railroad track monitoring sensor node, can require that the railroad track monitoring sensor node being in running status is configured amendment at any time; Comprise:
301) railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node configuration modification request message asks the configuration of amendment railroad track monitoring sensor node to railroad track monitoring sensor node;
302), after railroad track monitoring sensor node receives railroad track monitoring sensor node configuration modification request message, configuration modification operation is performed according to the sensor node configuration data table content of carrying in message;
303) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration modification response message confirms to railroad track monitoring sensing access and multiplexing device the result that configuration modification operates;
105) railroad track monitoring sensing access and multiplexing device can remove request message to railroad track monitoring sensor node by the configuration of forwarding railway railway monitoring sensor node, requires that railroad track monitoring sensor node recovers it and is configured to factory default configuration.
2. railroad track monitoring sensor node collocation method according to claim 1, is further characterized in that, the Configuration Online process of railroad track monitoring sensor node comprises the following steps:
201) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration request message is to railroad track monitoring sensing access and multiplexing device, request configuration information;
202) railroad track monitoring sensing access and multiplexing device is that described railroad track monitoring sensor node generates sensor node configuration data table;
203) railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node configuration response message, carries railroad track monitoring sensor node configuration information in sensor node configuration data list area;
204) railroad track monitoring sensor node carries out system configuration according to the configuration information obtained to self.
3. railroad track monitoring sensor node collocation method according to claim 1, is further characterized in that, the factory default configuration restore process of railroad track monitoring sensor node comprises the following steps:
401) configuration of railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node is removed request message and is carried out requirement railroad track monitoring sensor node to railroad track monitoring sensor node and return to factory default and configure;
402) railroad track monitoring sensor node performs configuration clear operation, recovers himself to be configured to factory default configuration;
403) railroad track monitoring sensor node forwarding railway railway monitoring sensor node configuration removing response message confirms to railroad track monitoring sensing access and multiplexing device the default configuration restoration result that dispatches from the factory.
4. railroad track monitoring sensor node collocation method according to claim 2, the feature of railroad track monitoring sensor node configuration request message is:
501) information carried in railroad track monitoring sensor node configuration request message comprises: railroad track monitoring sensor node mark, railroad track monitoring sensor node hardware sequence number;
502) the network internal identification number of railroad track monitoring sensor node mark for carrying railroad track monitoring sensor node;
503) railroad track monitoring sensor node hardware sequence number is for carrying the hardware sequence number of railroad track monitoring sensor node;
504) railroad track monitoring sensor node configuration request message is provided configuration information for asking railroad track to monitor sensing access and multiplexing device for it by railroad track monitoring sensor node.
5. railroad track monitoring sensor node collocation method according to claim 2, the feature of railroad track monitoring sensor node configuration response message is:
601) railroad track monitoring sensor node configuration response message is used for providing configuration information for railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device;
602) information carried in railroad track monitoring sensor node configuration response message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table;
603) railroad track monitoring sensing access and multiplexing device timestamp represents the present system time of railroad track monitoring sensing access and multiplexing device, it by railroad track monitoring sensing access and multiplexing device be used for synchronous its clock of all railroad track monitoring sensor nodes in the local railroad track monitoring sensing network that controls;
604) sensor node configuration data table is for carrying the configuration information of railroad track monitoring sensor node, the list that it is made up of parameter type, parameter length, parameter value three subdomains;
605) parameter type refers to this parameter type configured;
606) parameter length refers to the byte number shared by parameter codomain;
607) parameter codomain carries the value of this parameter;
608) many parameter informations can be carried in a sensor node configuration data table.
6. railroad track monitoring sensor node collocation method according to claim 1, the feature of railroad track monitoring sensor node configuration modification request message is:
701) railroad track monitoring sensor node configuration modification request message is monitored sensing access and multiplexing device by railroad track and is sent to railroad track monitoring sensor node, requires that the railroad track monitoring sensor node be in running status is configured renewal;
702) information carried in railroad track monitoring sensor node configuration modification request message comprises: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table, version identifier, start-up loading;
703) railroad track monitoring sensing access and multiplexing device timestamp represents the present system time of railroad track monitoring sensing access and multiplexing device, and it is used for the clock of synchronous railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device;
704) configuration information of sensor node configuration data table carrying railroad track monitoring sensor node, the list that it is made up of parameter type, parameter length, parameter value three subdomains, parameter type refers to this parameter type configured, parameter length refers to the byte number shared by parameter codomain, and parameter codomain carries the value of this parameter;
705) version identifier is used for indicating to railroad track monitoring sensor node the version identifier requiring the firmware version that railroad track monitoring sensor node loads by railroad track monitoring sensing access and multiplexing device;
706) start-up loading is used for notifying that railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.
7. railroad track monitoring sensor node collocation method according to claim 1, the feature of railroad track monitoring sensor node configuration modification response message is:
801) railroad track monitoring sensor node configuration modification response message is the response message to railroad track monitoring sensor node configuration modification request message, sends to railroad track to monitor sensing access and multiplexing device by railroad track monitoring sensor node after receiving railroad track monitoring sensor node configuration modification request message;
802) information carried in railroad track monitoring sensor node configuration modification response message comprises: object code;
803) object code represents the execution result of configuration modification request, wherein: 0 represents configuration modification success; 1 represents configuration modification failure.
8. railroad track monitoring sensor node collocation method according to claim 3, the feature that request message is removed in the configuration of railroad track monitoring sensor node is:
901) what the configuration of railroad track monitoring sensing access and multiplexing device forwarding railway railway monitoring sensor node removed that request message comes that requirement railroad track monitoring sensor node resets it is configured to factory default configuration;
902) configuration of railroad track monitoring sensor node is removed in request message and is not carried any message element;
903) after railroad track monitoring sensor node receives railroad track monitoring sensor node configuration removing request message, perform configuration clear operation immediately, the configuration restore of himself is configured to factory default.
9. railroad track monitoring sensor node collocation method according to claim 3, the feature that response message is removed in the configuration of railroad track monitoring sensor node is:
1001) railroad track monitoring sensor node receive railroad track monitoring sensor node configuration remove request message and reset it be configured to factory default configuration after, the configuration of forwarding railway railway monitoring sensor node removes response message to railroad track monitoring sensing access and multiplexing device, to return configuration clear operation result;
1002) information carried in railroad track monitoring sensor node configuration removing response message comprises: object code;
1003) object code represents the result of configuration modification, and object code 0 represents that configuration is removed successfully, and object code 1 represents that configuration is removed unsuccessfully.
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| CN201680857U (en) * | 2009-12-30 | 2010-12-22 | 中国农业大学 | Wireless sensor network acquisition node device and system for monitoring crop paramthers |
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| CN1694424A (en) * | 2005-03-24 | 2005-11-09 | 袁光辉 | Bus carried network control system and its management and control method |
| CN101407223A (en) * | 2008-11-25 | 2009-04-15 | 北京佳讯飞鸿电气股份有限公司 | Railway line wind power monitoring system and traveling guide method based on the system |
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