CN102638787A - Railway track monitoring sensor node configuration method - Google Patents
Railway track monitoring sensor node configuration method Download PDFInfo
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- CN102638787A CN102638787A CN2011100365609A CN201110036560A CN102638787A CN 102638787 A CN102638787 A CN 102638787A CN 2011100365609 A CN2011100365609 A CN 2011100365609A CN 201110036560 A CN201110036560 A CN 201110036560A CN 102638787 A CN102638787 A CN 102638787A
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Abstract
The invention relates to the field of information and communication technology, in particular relates to a railway track monitoring sensor node configuration method. In the railway track monitoring and sensing Qnetwork, only the basic configuration of the railway track monitoring sensor nodes are stored, and all other configuration information is automatically acquired from railway track monitoring and sensing access multiplexing equipment after the railway track monitoring sensor nodes are started in order to realize the plug and play of the railway track monitoring sensor nodes and reduce the running maintenance load of the railway track monitoring and sensing network. The invention provides a railway track monitoring sensor node configuration method, thus helping the railway track monitoring sensor node dynamically acquire the configuration information from the railway track monitoring and sensing access multiplexing equipment for system configuration. After the railway track monitoring sensor node configuration information is modified, the modified configuration information can also be immediately issued to related railway track monitoring sensor nodes, thus conducting real-time configuration update on the related railway track monitoring sensor nodes.
Description
Technical field
The present invention relates to communication network, relate in particular to a kind of railroad track monitoring sensor node Configuration Online method 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: in time obtaining of rail temperature, rail stress, track sedimentation, track deformation or the like information helps 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.The railroad track monitoring sensor node is responsible for gathering different kinds of railways track Monitoring Data.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.
In railroad track monitoring sensing network, it is along the line that a large amount of railroad track monitoring sensor nodes are distributed on railroad track, is responsible for gathering in real time all kinds of railroad track parameters.In order to realize the plug and play of railroad track monitoring sensor node; Thereby reduce railroad track monitoring sensing network operation maintenance load; Only preserve the most basic configuration on the railroad track monitoring sensor node; All after the railroad track monitoring sensor node started, level network management device-railroad track monitoring sensing access and multiplexing device obtained other all configuration informations from it automatically.
Summary of the invention
The present invention is directed to railroad track monitoring sensing network architecture and networking equipment shown in Figure 1; A kind of railroad track monitoring sensor node collocation method has been proposed; Thereby help the railroad track monitoring sensor node dynamically to obtain configuration information, carry out system configuration from railroad track monitoring sensing access and multiplexing device.
According to a first aspect of the invention; A kind of railroad track monitoring sensor node collocation method is provided; Thereby help the railroad track monitoring sensor node dynamically to obtain configuration information, carry out system configuration, it is characterized in that from railroad track monitoring sensing access and multiplexing device:
A) railroad track monitoring sensing access and multiplexing device is preserved the configuration data of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network;
B) when obtaining one through the discovery procedure of railroad track monitoring sensing access and multiplexing device, the railroad track monitoring sensor node can monitor the sensing access and multiplexing device for it provide the railroad track of network insertion service; And after the network insertion process of completion and said railroad track monitoring sensing access and multiplexing device, the railroad track monitoring sensor node gets into layoutprocedure;
C) in railroad track monitoring sensor node layoutprocedure; The railroad track monitoring sensor node obtains configuration information from railroad track monitoring sensing access and multiplexing device, and according to the configuration information that obtains the railroad track monitoring sensor node is carried out system configuration;
D) railroad track monitoring sensing access and multiplexing device can be through forwarding railway track monitoring sensor node configuration modification request message to the railroad track monitoring sensor node, and the railroad track monitoring sensor node that requires at any time to be in running status is configured modification;
E) railroad track monitoring sensing access and multiplexing device can be removed request message to the railroad track monitoring sensor node through the configuration of forwarding railway track monitoring sensor node, requires the railroad track monitoring sensor node to recover it and is configured to the default configuration of dispatching from the factory.
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 used to ask railroad track monitoring sensing access and multiplexing device for it configuration information to be provided by the railroad track monitoring sensor node.Institute's loaded information comprises in the railroad track monitoring sensor node configuration request message: railroad track monitoring sensor node sign, railroad track monitoring sensor node hardware sequence number.Wherein: railroad track monitoring sensor node sign is used to carry the network internal identification number of railroad track monitoring sensor node; Railroad track monitoring sensor node hardware sequence number is used to carry 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 to the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device configuration information is provided.Institute's loaded information comprises in the railroad track monitoring sensor node configuration response message: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table.Wherein: railroad track monitoring sensing access and multiplexing device timestamp is represented the current system time of railroad track monitoring sensing access and multiplexing device, and it is used for the clock of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network synchronously by railroad track monitoring sensing access and multiplexing device; The sensor node configuration data table is used to carry the configuration information of railroad track monitoring sensor node, the tabulation that it is made up of parameter type, parameter length, parameter value three sub-domain.Parameter type refers to the parameter type of this configuration; Parameter length is meant the byte number that the parameter codomain is shared; The parameter codomain is carried the value of this parameter.Can carry many parameter informations in the configuration data table.
After railroad track monitoring sensing access and multiplexing device receives the railroad track monitoring sensor node configuration request message from the railroad track monitoring sensor node; Can the configuration information of said railroad track monitoring sensor node be encapsulated in the railroad track monitoring sensor node configuration response message, send to the 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 sends to the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device, and the railroad track monitoring sensor node that requires to be in the running status is configured renewal.Institute's loaded information comprises in the railroad track monitoring sensor node configuration modification request message: 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 is represented the current 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; The sensor node configuration data table is carried the configuration information of railroad track monitoring sensor node; The tabulation that it is made up of parameter type, parameter length, parameter value three sub-domain; Parameter type refers to the parameter type of this configuration; Parameter length is meant the byte number that the parameter codomain is shared, and the parameter codomain is carried the value of this parameter; Version identifier is used for to railroad track monitoring sensor node indication by railroad track monitoring sensing access and multiplexing device and requires the version identifier of the firmware version that the railroad track monitoring sensor node loads; Start-up loading is used for notifying the railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.
The railroad track monitoring sensor node is after receiving railroad track monitoring sensor node configuration modification request message; Be set to 1 if find start-up loading wherein; Then start railroad track monitoring sensor node firmware version subsequently and load flow process, monitor the indicated new firmware version of sensing access and multiplexing device load application version identifier to the railroad track monitoring sensor node from railroad track.
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, after receiving railroad track monitoring sensor node configuration modification request message, sends to railroad track monitoring sensing access and multiplexing device by the railroad track monitoring sensor node.Institute's loaded information comprises in the railroad track monitoring sensor node configuration modification response message: object code.Object code is represented the execution result of configuration modification request, wherein: 0 expression configuration modification success, 1 expression configuration modification failure.
The railroad track monitoring sensor node confirms to railroad track monitoring sensing access and multiplexing device the execution result of railroad track monitoring sensor node configuration modification request message through railroad track monitoring sensor node configuration modification response message.The railroad track monitoring sensor node uses the configuration information that carries in the railroad track monitoring sensor node configuration modification request message that self is configured; If configuration successful; Then the object code in the 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 be according to collocation strategy; Decision no longer provides the network insertion service for this railroad track monitoring sensor node; And require this railroad track monitoring sensor node to restart, to rediscover other the railroad track monitoring sensing access and multiplexing device that the network insertion service can be provided for it.
According to a sixth aspect of the invention, provide a kind of railroad track monitoring sensor node configuration to remove request message.The configuration of railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node is removed request message and is come railroad track monitoring sensor node of requirement its default configuration of dispatching from the factory that is configured to of resetting.The configuration of railroad track monitoring sensor node is removed in the request message and is not carried any message element.
When receiving railroad track monitoring sensor node configuration, the railroad track monitoring sensor node removes request message, its its default configuration of dispatching from the factory that is configured to of can resetting.
According to a seventh aspect of the invention, provide a kind of railroad track monitoring sensor node configuration to remove response message.The railroad track monitoring sensor node receives railroad track monitoring sensor node configuration and removes request message and being configured to of it of resetting and dispatch from the factory after the default configuration; The configuration of forwarding railway track monitoring sensor node is removed response message to railroad track monitoring sensing access and multiplexing device, to return configuration clear operation result.Institute's loaded information comprises in the railroad track monitoring sensor node configuration removing response message: object code.Object code representes to dispose the result of removing, and object code is 0 expression configuration clear operation success, and object code is 1 expression configuration clear operation failure.
The Configuration Online process of railroad track monitoring sensor node is provided according to an eighth aspect of the invention.Wherein, may further comprise the steps:
A) railroad track monitoring sensor node forwarding railway track 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 said 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 track monitoring sensor node configuration response message is carried railroad track monitoring sensor node configuration data table in message;
D) the railroad track monitoring sensor node carries out system configuration according to the configuration information that step c) obtained.
The configuration modification flow process of railroad track monitoring sensor node is provided according to a ninth aspect of the invention.Wherein, may further comprise the steps:
A) railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node configuration modification request message asks to revise the configuration of railroad track monitoring sensor node to the railroad track monitoring sensor node;
B) after the railroad track monitoring sensor node receives railroad track monitoring sensor node configuration modification request message, carry out the configuration modification operation according to the configuration data that carries in the message;
C) railroad track monitoring sensor node forwarding railway track monitoring sensor node configuration modification response message is confirmed the result of configuration modification to railroad track monitoring sensing access and multiplexing device.
According to the tenth aspect of the invention, provide the default configuration of dispatching from the factory of railroad track monitoring sensor node to recover flow process.Wherein, may further comprise the steps:
A) railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node configuration removing request message comes requirement railroad track monitoring sensor node to return to the default configuration of dispatching from the factory to the railroad track monitoring sensor node;
B) the railroad track monitoring sensor node is carried out the configuration clear operation, recovers himself and is configured to the default configuration of dispatching from the factory;
C) railroad track monitoring sensor node forwarding railway track monitoring sensor node configuration is removed response message and is monitored the sensing access and multiplexing device default configuration restoration result of confirming to dispatch from the factory to railroad track.
Adopt scheme of the present invention, the railroad track monitoring sensor node can dynamically obtain configuration information from railroad track monitoring sensing access and multiplexing device after startup, self is configured.Railroad track monitoring sensing access and multiplexing device also can be in running, the configuration of all the railroad track monitoring sensor nodes in its local sensing network of being controlled of updated at any time.
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 the system architecture diagram of railroad track monitoring sensing network;
Fig. 2 shows the flow chart according to the railroad track monitoring sensor node Configuration Online process of a specific embodiment of the present invention;
Fig. 3 shows the flow chart according to the configuration modification process of the railroad track monitoring sensor node of a specific embodiment of the present invention;
Fig. 4 shows the flow chart according to the default configuration recovery process of dispatching from the factory of the railroad track monitoring sensor node 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.
Preserve the configuration data of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network in the railroad track monitoring sensing access and multiplexing device 1.Successfully be implemented to the network insertion process of railroad track monitoring sensing access and multiplexing device 1 when railroad track monitoring sensor node 1 after; Railroad track monitoring sensor node 1 gets into configuration phase; Promptly obtain configuration information, and himself is carried out system configuration according to the configuration information that obtains from railroad track monitoring sensing access and multiplexing device 1.Railroad track monitoring sensor node 1 is carried out the configuration of railroad track monitoring sensor node and is loaded flow process, obtains configuration information from railroad track monitoring sensing access and multiplexing device 1, and utilizes the configuration information that obtains that self is carried out system configuration.
Configuration information in railroad track monitoring sensing access and multiplexing device 1 changes, and railroad track monitoring sensing access and multiplexing device 1 starts the configuration information that railroad track monitoring sensor node config update flow process is upgraded railroad track monitoring sensor node 1.Railroad track monitoring sensing access and multiplexing device 1 also can recover the default configuration of dispatching from the factory that is configured to of railroad track monitoring sensor node 1 through the configuration restore handling process of dispatching from the factory of railroad track monitoring sensor node.
Below, second aspect of the present invention is described, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Be accomplished to the network insertion process of railroad track monitoring sensing access and multiplexing device 1 when railroad track monitoring sensor node 1 after; 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 of transmitting it is to railroad track monitoring sensing access and multiplexing device 1, and the request railroad track is monitored 1 loading of sensing access and multiplexing device, and it is configured to railroad track monitoring sensor node 1.
Institute's loaded information comprises in the railroad track monitoring sensor node configuration request message: railroad track monitoring sensor node sign, railroad track monitoring sensor node hardware sequence number.Wherein:
The railroad track monitoring sensor node identifies, and is used to carry the network internal identification number of railroad track monitoring sensor node.
Railroad track monitoring sensor node hardware sequence number is used to carry the hardware sequence number of railroad track monitoring sensor node.All be furnished with a unique hardware sequence number when each railroad track monitoring sensor node dispatches from the factory, be used for a railroad track monitoring sensor node of unique identification hardware.
Below, the third aspect of the invention is described, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Railroad track monitoring sensor node configuration response message is the response message of railroad track monitoring sensing access and multiplexing device to railroad track monitoring sensor node configuration request message, sends to the configuration data that the railroad track monitoring sensor node provides the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device.Institute's loaded information comprises in the railroad track monitoring sensor node configuration response message: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table.Wherein:
Railroad track monitoring sensing access and multiplexing device timestamp is represented the current system time of railroad track monitoring sensing access and multiplexing device, and it is used for the clock of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network synchronously by railroad track monitoring sensing access and multiplexing device.
The sensor node configuration data table is made up of parameter type, parameter length, parameter value three sub-domain.Parameter type refers to the parameter type number of this configuration; Parameter length is meant the byte number that the parameter codomain is shared; The parameter codomain is carried the value of this parameter.The various configuration informations that comprise the railroad track monitoring sensor node in the sensor node configuration data table, every configuration all have a self-defining parameter type number.After the railroad track monitoring sensor node receives railroad track monitoring sensor node configuration response message, will carry out system configuration to railroad track monitoring sensor node self according to the configuration information in the sensor node configuration data table.
Be accomplished to the network insertion process of railroad track monitoring sensing access and multiplexing device 1 when railroad track monitoring sensor node 1 after; Its forwarding railway track 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 be retrieved the configuration data of railroad track monitoring sensor node 1, and passes through railroad track monitoring sensor node configuration response message forwarding railway track monitoring sensor node configuration data to railroad track monitoring sensor node 1.
Below, fourth aspect of the present invention is described, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
Railroad track monitoring sensor node configuration modification request message is sent to the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device, and the railroad track monitoring sensor node that requires to be in the running status is configured renewal.Institute's loaded information comprises in the railroad track monitoring sensor node configuration modification request message: 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 is used to represent the current 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.
The sensor node configuration data table is made up of parameter type, parameter length, parameter value three sub-domain.Parameter type refers to the parameter type number of this configuration; Parameter length is meant the byte number that the parameter codomain is shared; The parameter codomain is carried the value of this parameter.Carry the railroad track monitoring sensor node configuration parameter after the renewal in the sensor node configuration data table; The railroad track monitoring sensor node is after receiving railroad track monitoring sensor node configuration modification request message, with utilizing configuration information in the parameter configuration data table to upgrade the system configuration of self.
Version identifier is used for to railroad track monitoring sensor node indication by railroad track monitoring sensing access and multiplexing device and requires the version identifier of the firmware version that the railroad track monitoring sensor node loads.
Start-up loading is used for notifying the railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.The railroad track monitoring sensor node can send the 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 be revised the configuration data of railroad track monitoring sensor node 1, railroad track monitoring sensing access and multiplexing device 1 forwarding railway track monitoring sensor node configuration modification request message was to railroad track monitoring sensor node 1.Railroad track monitoring sensor node 1 is revised the configuration of self according to the configuration data that carries in the message after receiving railroad track monitoring sensor node configuration modification request message.If the start-up loading in the message is set to 1; Railroad track monitoring sensor node 1 sends the 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, monitor the indicated new firmware version of sensing access and multiplexing device 1 load application version identifier to railroad track monitoring sensor node 1 from railroad track.
Below, the 5th aspect of the present invention is described, 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, after receiving railroad track monitoring sensor node configuration modification request message, sends to railroad track monitoring sensing access and multiplexing device by the railroad track monitoring sensor node.Institute's loaded information comprises in the railroad track monitoring sensor node configuration modification response message: 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.Through the object code of carrying in the railroad track monitoring sensor node configuration modification response message, whether railroad track monitoring sensing access and multiplexing device can in time be recognized the configuration modification operation of railroad track monitoring sensor node successful.
After railroad track monitoring sensor node 1 receives the railroad track monitoring sensor node configuration modification request message from railroad track monitoring sensing access and multiplexing device 1; Railroad track monitoring sensor node 1 uses the configuration information in the railroad track monitoring sensor node configuration modification request message that self is configured; If configuration modification success; Then the object code in the railroad track monitoring sensor node configuration modification response message is set to successfully, otherwise the object code in the railroad track monitoring sensor node configuration modification response message is set to failure.Railroad track monitoring sensor node 1 confirms to railroad track monitoring sensing access and multiplexing device 1 execution result of railroad track monitoring sensor node configuration modification request message through forwarding railway track monitoring sensor node configuration modification response message.
Below, the 6th aspect of the present invention is described, wherein, Fig. 1 and associated description thereof are incorporated herein by reference.
The configuration of railroad track monitoring sensing access and multiplexing device 1 forwarding railway track monitoring sensor node is removed request message and is come requirement railroad track monitoring sensor node 1 its default configuration of dispatching from the factory that is configured to of resetting.When receiving railroad track monitoring sensor node configuration, railroad track monitoring sensor node 1 removes request message, its its default configuration of dispatching from the factory that is configured to of can resetting.
Below, the 7th aspect of the present invention is described, 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; Railroad track monitoring sensor node 1 its default configuration of dispatching from the factory that is configured to of resetting; The configuration of forwarding railway track monitoring sensor node is removed response message to railroad track monitoring sensing access and multiplexing device 1, comes the execution result of feedback configuration clear operation.Institute's loaded information comprises in the railroad track monitoring sensor node configuration removing response message: object code.Object code is represented the result of configuration modification, and 0 expression configuration is removed successfully, and failure is removed in 1 expression configuration.
According to the embodiment of the invention, a kind of handling process of railroad track monitoring sensor node Configuration Online process is provided also.Below according to Fig. 2 and combine Fig. 1 to introduce this flow process.This flow process comprises following treatment step:
Step S10, railroad track monitoring sensor node 1 forwarding railway track monitoring sensor node configuration request message is to railroad track monitoring sensing access and multiplexing device 1, request configuration information.
Step S11; Railroad track monitoring sensing access and multiplexing device 1 generates the configuration information of railroad track monitoring sensor node 1; All kinds of configuration parameters that wherein comprise railroad track monitoring sensor node 1, the relevant parameter configuration is comprised in the sensor node configuration data table.
Step S12, railroad track monitoring sensing access and multiplexing device 1 forwarding railway track monitoring sensor node configuration response message is carried the railroad track monitoring sensor node configuration information that generates among the step S11 to railroad track monitoring sensor node 1 in the message.
Step S13, railroad track monitoring sensor node 1 carries out system configuration according to the configuration information that obtains among the step S12 to self.
Railroad track monitoring sensor node 1 is after startup; Through carrying out the Configuration Online process of railroad track monitoring sensor node; Can monitor sensing access and multiplexing device 1 from railroad track and dynamically obtain railroad track monitoring sensor node configuration data, himself is carried out system configuration.
According to the embodiment of the invention, a kind of handling process of configuration modification process of railroad track monitoring sensor node is provided also.Below according to Fig. 3 and combine Fig. 1 to introduce this flow process.This flow process comprises following treatment step:
Step S20; Railroad track monitoring sensing access and multiplexing device 1 can be in railroad track monitoring sensor node 1 normal course of operation, and forwarding railway track monitoring sensor node configuration modification request message asks to upgrade the configuration information of railroad track monitoring sensor node 1.
After step S21, railroad track monitoring sensor node 1 receive railroad track monitoring sensor node configuration modification request message, extract configuration data wherein, and, carry out the config update operation, change the system configuration of himself according to these configuration datas.
Step S22, railroad track monitoring sensor node 1 forwarding railway track monitoring sensor node configuration modification response message confirm the result of configuration modification to railroad track monitoring sensing access and multiplexing device 1.If the configuration modification success, then the object code in the railroad track monitoring sensor node configuration modification response message is 0, otherwise the object code in the railroad track monitoring sensor node configuration modification response message is 1.
Railroad track monitoring sensing access and multiplexing device 1 can come the configuration of all the railroad track monitoring sensor nodes in its local railroad track monitoring sensing network of being controlled of online updating through railroad track monitoring sensor node configuration modification flow process.For example: improve the data acquiring frequency of the railroad track monitoring sensor node of being responsible for the monitoring of rail temperature, railroad track monitoring sensing access and multiplexing device 1 generation sensor node configuration data table then wherein comprises the data collection cycle time after the change.Railroad track monitoring sensing access and multiplexing device 1 is embedded in newly-generated sensor node configuration data table in the railroad track monitoring sensor node configuration modification request message, and all that send in its local sensing network of controlling are responsible for the railroad track monitoring sensor node of rail temperature monitoring.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, thereby modify has been done in the configuration of the data collection cycle on the railroad track monitoring sensor node.After this, the railroad track monitoring sensor node of being responsible for the monitoring of rail temperature of all in the local sensing network controlled of railroad track monitoring sensing access and multiplexing device 1 all can be gathered the rail temperature according to the data collection cycle after the renewal.
According to the embodiment of the invention, also provide a kind of default configuration of dispatching from the factory of railroad track monitoring sensor node to recover flow process.Below according to Fig. 4 and combine Fig. 1 to introduce this flow process.This flow process comprises following treatment step:
Step S30, the configuration of railroad track monitoring sensing access and multiplexing device 1 forwarding railway track monitoring sensor node is removed request message and is come requirement railroad track monitoring sensor node 1 to recover himself to be configured to the default configuration of dispatching from the factory.
Step S31, railroad track monitoring sensor node 1 carry out railroad track monitoring sensor node configuration clear operation, recover the default configuration of dispatching from the factory that is configured to of himself.
Step S32, the response message default configuration restoration result of confirming to dispatch from the factory is removed in railroad track monitoring sensor node 1 forwarding railway track monitoring sensor node configuration.If step S31 runs succeeded, then the object code in the railroad track monitoring sensor node configuration removing response message is 0, otherwise the object code that the configuration of railroad track monitoring sensor node is removed in the response message is 1.
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 railroad track monitoring sensor node collocation method in the sensing network; Thereby help the 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 is preserved the configuration data of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network;
B) when obtaining one through the discovery procedure of railroad track monitoring sensing access and multiplexing device, the railroad track monitoring sensor node can monitor the sensing access and multiplexing device for it provide the railroad track of network insertion service; And after the network insertion process of completion and said railroad track monitoring sensing access and multiplexing device, the railroad track monitoring sensor node gets into layoutprocedure;
C) in railroad track monitoring sensor node layoutprocedure, the railroad track monitoring sensor node obtains configuration information from railroad track monitoring sensing access and multiplexing device, and the railroad track monitoring sensor node is carried out system configuration;
D) railroad track monitoring sensing access and multiplexing device can be through forwarding railway track monitoring sensor node configuration modification request message to the railroad track monitoring sensor node, and the railroad track monitoring sensor node that requires at any time to be in running status is configured modification;
E) railroad track monitoring sensing access and multiplexing device can be removed request message to the railroad track monitoring sensor node through the configuration of forwarding railway track monitoring sensor node, requires the railroad track monitoring sensor node to recover it and is configured to the default configuration of dispatching from the factory.
2. railroad track monitoring sensor node collocation method according to claim 1, its characteristic are that also the Configuration Online process of railroad track monitoring sensor node may further comprise the steps:
A) railroad track monitoring sensor node forwarding railway track 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 said railroad track monitoring sensor node generates the sensor node configuration data table;
C) railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node configuration response message is carried railroad track monitoring sensor node configuration information in sensor node configuration data list area;
D) the railroad track monitoring sensor node carries out system configuration according to the configuration information that obtains to self.
3. railroad track monitoring sensor node collocation method according to claim 1, its characteristic are that also railroad track monitoring sensor node configuration modification process may further comprise the steps:
A) railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node configuration modification request message asks to revise the configuration of railroad track monitoring sensor node to the railroad track monitoring sensor node;
B) after the railroad track monitoring sensor node receives railroad track monitoring sensor node configuration modification request message, carry out the configuration modification operation according to the sensor node configuration data table content of carrying in the message;
C) railroad track monitoring sensor node forwarding railway track monitoring sensor node configuration modification response message is confirmed the result of configuration modification operation to railroad track monitoring sensing access and multiplexing device.
4. railroad track monitoring sensor node collocation method according to claim 1, its characteristic are that also the default configuration recovery process of dispatching from the factory of railroad track monitoring sensor node may further comprise the steps:
A) railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node configuration removing request message comes requirement railroad track monitoring sensor node to return to the default configuration of dispatching from the factory to the railroad track monitoring sensor node;
B) the railroad track monitoring sensor node is carried out the configuration clear operation, recovers himself and is configured to the default configuration of dispatching from the factory;
C) railroad track monitoring sensor node forwarding railway track monitoring sensor node configuration is removed response message and is monitored the sensing access and multiplexing device default configuration restoration result of confirming to dispatch from the factory to railroad track.
5. railroad track monitoring sensor node Configuration Online process according to claim 2, railroad track monitoring sensor node configuration request message is characterised in that:
A) institute's loaded information comprises in the railroad track monitoring sensor node configuration request message: railroad track monitoring sensor node sign, railroad track monitoring sensor node hardware sequence number;
B) railroad track monitoring sensor node sign is used to carry the network internal identification number of railroad track monitoring sensor node;
C) railroad track monitoring sensor node hardware sequence number is used to carry the hardware sequence number of railroad track monitoring sensor node;
D) railroad track monitoring sensor node configuration request message is used to ask railroad track monitoring sensing access and multiplexing device for it configuration information to be provided by the railroad track monitoring sensor node.
6. railroad track monitoring sensor node Configuration Online process according to claim 2, railroad track monitoring sensor node configuration response message is characterised in that:
A) railroad track monitoring sensor node configuration response message is used to the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device configuration information is provided;
B) institute's loaded information comprises in the railroad track monitoring sensor node configuration response message: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table;
C) railroad track monitoring sensing access and multiplexing device timestamp is represented the current system time of railroad track monitoring sensing access and multiplexing device, and it is used for the clock of all the railroad track monitoring sensor nodes in its local railroad track of controlling monitoring sensing network synchronously by railroad track monitoring sensing access and multiplexing device;
D) the sensor node configuration data table is used to carry the configuration information of railroad track monitoring sensor node, the tabulation that it is made up of parameter type, parameter length, parameter value three sub-domain;
E) parameter type refers to the parameter type of this configuration;
F) parameter length is meant the byte number that the parameter codomain is shared;
G) the parameter codomain is carried the value of this parameter;
H) can carry many parameter informations in a sensor node configuration data table.
7. the configuration modification process of railroad track monitoring sensor node according to claim 3, railroad track monitoring sensor node configuration modification request message is characterised in that:
A) railroad track monitoring sensor node configuration modification request message sends to the railroad track monitoring sensor node by railroad track monitoring sensing access and multiplexing device, and the railroad track monitoring sensor node that requires to be in the running status is configured renewal;
B) institute's loaded information comprises in the railroad track monitoring sensor node configuration modification request message: railroad track monitoring sensing access and multiplexing device timestamp, sensor node configuration data table, version identifier, start-up loading;
C) railroad track monitoring sensing access and multiplexing device timestamp is represented the current 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;
D) the sensor node configuration data table is carried the configuration information of railroad track monitoring sensor node; The tabulation that it is made up of parameter type, parameter length, parameter value three sub-domain; Parameter type refers to the parameter type of this configuration; Parameter length is meant the byte number that the parameter codomain is shared, and the parameter codomain is carried the value of this parameter;
E) version identifier is used for to railroad track monitoring sensor node indication by railroad track monitoring sensing access and multiplexing device and requires the version identifier of the firmware version that the railroad track monitoring sensor node loads;
F) start-up loading is used for notifying the railroad track monitoring sensor node should start a firmware version upgrade by railroad track monitoring sensing access and multiplexing device.
8. the configuration modification process of railroad track monitoring sensor node according to claim 3, railroad track monitoring sensor node configuration modification response message is characterised in that:
A) railroad track monitoring sensor node configuration modification response message is the response message to railroad track monitoring sensor node configuration modification request message, after receiving railroad track monitoring sensor node configuration modification request message, sends to railroad track monitoring sensing access and multiplexing device by the railroad track monitoring sensor node;
B) institute's loaded information comprises in the railroad track monitoring sensor node configuration modification response message: object code;
C) object code is represented the execution result of configuration modification request, wherein: 0 expression configuration modification success; 1 expression configuration modification failure.
9. the configuration restore process of dispatching from the factory of railroad track monitoring sensor node according to claim 4, the configuration of railroad track monitoring sensor node is removed request message and is characterised in that:
A) configuration of railroad track monitoring sensing access and multiplexing device forwarding railway track monitoring sensor node is removed request message and is come railroad track monitoring sensor node of requirement its default configuration of dispatching from the factory that is configured to of resetting;
B) configuration of railroad track monitoring sensor node is removed in the request message and is not carried any message element;
C) receive after railroad track monitoring sensor node configuration removes request message when the railroad track monitoring sensor node, carry out the configuration clear operation immediately, with himself configuration restore to the default configuration of dispatching from the factory.
10. the configuration restore process of dispatching from the factory of railroad track monitoring sensor node according to claim 4, the configuration of railroad track monitoring sensor node is removed response message and is characterised in that:
A) the railroad track monitoring sensor node receives railroad track monitoring sensor node configuration and removes request message and being configured to of it of resetting and dispatch from the factory after the default configuration; The configuration of forwarding railway track monitoring sensor node is removed response message to railroad track monitoring sensing access and multiplexing device, to return configuration clear operation result;
B) institute's loaded information comprises in the railroad track monitoring sensor node configuration removing response message: object code;
C) object code is represented the result of configuration modification, and object code 0 expression configuration is removed successfully, and failure is removed in object code 1 expression configuration.
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