CN102413163B - Method and device for collecting ground wireless sensor data by high-speed rail motor cars - Google Patents
Method and device for collecting ground wireless sensor data by high-speed rail motor cars Download PDFInfo
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- CN102413163B CN102413163B CN201110226269.8A CN201110226269A CN102413163B CN 102413163 B CN102413163 B CN 102413163B CN 201110226269 A CN201110226269 A CN 201110226269A CN 102413163 B CN102413163 B CN 102413163B
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Abstract
The invention relates to a method and a device for collecting ground wireless sensor data by high-speed rail motor cars. The method comprises the following steps: 1) an activation antenna device arranged at the head of an motor car sends activation orders for the wireless sensor network positioned in the front of the motor car; 2) the wireless sensor network sends the motor car rail status information or environmental monitor information to a data receiving device arranged at a motor car body; 3) the data receiving device sends the received motor car rail status information or the environmental monitor information to a train main control table for data integration, and then sends the data after integration to a background processing server through an external communication interface on the train; and 4) a deactivation antenna device arranged at the tail of the high-speed rail motor car deactivates the wireless sensor network by which passes. Compared with the prior art, the interlinking problem of the sensor network in remote areas is solved by the method and device provided by the invention, the sensor network spread at each place is connected to the external network by utilizing the high-speed rail motor car as a data carrier.
Description
Technical field
The present invention relates to areas of information technology, especially relate to a kind of acquisition method and device of ground wireless sensor data by high-speed rail motor cars.
Background technology
In the application of traditional wireless sensor network, detection data is transferred to target data terminal by the data transfer mode of multi-hop by the sensor node in wireless sensor network.Usually, target data terminal is equipped with and the linking, for data are sent to back-end data Analysis server by network of external network communication.Data terminal equipment is different from the special installation of general sensor nodes often, because it needs additionally to undertake the more traffic, must possess sufficient energy supply.Energy supply is the principal element of restriction wireless sensor network disposition, therefore often adopts efficient route and MAC mechanism to optimize the transfer of data of sensor network to realize energy-conservation object.
Existing railway regular maintenance all has manpower to complete, and takes time and effort, and disposes monitoring greatly can save manpower and the real-time improving monitoring according to radio sensing network.But traditional radio sensing network needs to dispose data terminal equipment in order to transducer image data to be reported to far-end back-end data Analysis server due to it, therefore eat dishes without rice or wine interface and the extraneous power suppling part administration of extra support external network is needed, therefore in a large number can the small-scale sensor network of UNICOM, dispose difficulty higher, the Web vector graphic life-span is more difficult to get effective guarantee.
Ventional static data terminal equipment scene is applied, due to the geographical position that terminal equipment is fixing, sensor node near its position needs the relay forwarding comparatively more packet of distal sensor node, therefore easily cause Internet Transmission bottleneck problem, thus cause whole network to cause when still having most of sensor node to possess the sufficient energy network paralysis normally to work.And for traditional moving data terminal equipment scene, although terminal can move with balance transmission bottleneck in sensor network, extend the useful life of whole network, in a large amount of sensor network disposed, such mode is unactual.
Lay base station for along the line and solved the Data Collection scene of sensor node by trunking, Internet Transmission bottleneck problem cannot be avoided equally to cause the paralysis of sensor network.In actual applications because train rail is grown and wide coverage, need the sensor node enormous amount laid, if therefore directly sensor network is connected and needs a large amount of trunking with the base station of laying along the line, and the trunking cost being equipped with cellular module and sensor assembly is higher simultaneously, cause overall networking cost prohibitive, but data collection efficiency does not but obtain significantly promoting accordingly.In addition, the area coverage of sensor network is less, may lay between base station along the line, apart from each other with base station, two ends, therefore for the demand being directly connected to base station for unactual the limited sensor node of energy consumption.
Summary of the invention
Object of the present invention is exactly provide one to make backland real-time data acquisition become feasible to overcome defect that above-mentioned prior art exists, and substantially prolongs acquisition method and the device of the ground wireless sensor data by high-speed rail motor cars in the useful life of sensor node.
Object of the present invention can be achieved through the following technical solutions: a kind of acquisition method of ground wireless sensor data by high-speed rail motor cars, it is characterized in that, the method comprises the following steps: when 1) high ferro motor-car travels, the activation antenna equipment being located at headstock sends activation instruction to the wireless sensor network being positioned at motor-car front; 2) wireless sensor network of high ferro motor-car through being activated, Crane Rail state information or environmental monitoring information are sent to the data receiver being located at vehicle body by wireless sensor network; 3) the Crane Rail state information received or environmental monitoring information are sent to train master control platform and carry out Data Integration by data receiver, then by the external communication interface on train, the data after integrating are sent to background process server; 4) the deexcitation antenna equipment being located at the high ferro motor-car tailstock carries out deexcitation to the wireless sensor network crossed, and enters sleep state save energy consumption to make wireless sensor node.
Described wireless sensor network is the wireless sensor network disposed along motor-car track.
If when wireless sensor network is the wireless senser Sampling network being deployed in track periphery, described acquisition method is further comprising the steps of: after a) wireless senser Sampling network is activated, and the wireless sensor node being positioned at far-end starts to utilize the mode of multi-hop to transmit data to reporting sensor node near the border of track; B) when the wireless senser Sampling network of train through being activated, the wireless sensor node of far-end has all sent data in border report sensor node and has stored, now, the Data Data collecting device that sensor node directly will be integrated is reported on border.
Described data receiver is provided with multiple, is laid in both sides, more piece compartment and bottom respectively.
A kind of device implementing the claims the data of a kind of high ferro motor-car to ground wireless senser described in 1 and gather, it is characterized in that, this device comprises high ferro motor-car, wireless sensor network and background process server, described high ferro motor-car comprises activation antenna equipment, deexcitation antenna equipment, data receiver and train master control platform, activate antenna equipment and be located at headstock, deexcitation antenna equipment is located at the tailstock, data receiver is located at vehicle body, described activation antenna equipment, deexcitation antenna equipment and data receiver are connected with the train master control platform of high ferro motor-car respectively, train master control platform is connected with platform processing server by the external communication interface on train, the described wireless sensor network along the deployment of motor-car track is formed by connecting by multiple sensor node.
Described activation antenna equipment is located at headstock car bottom or both sides, headstock compartment.
Described deexcitation antenna equipment is located at tailstock car bottom or both sides, tailstock compartment.
Described data receiver is provided with multiple, is laid in both sides, more piece compartment and bottom respectively.
Compared with prior art, the present invention utilizes the fixed motion track of high ferro motor-car to dispose wireless sensor network, train is as information bearer activation transducer report data, by the external communication interface on train, sensing data is transferred to background process server, thus make backland real-time data acquisition become feasible, and substantially prolongs the useful life of sensor node.
Accompanying drawing explanation
Fig. 1 be along motor-car track dispose wireless sensor network and the mutual schematic diagram of train data;
Fig. 2 is the wireless senser Sampling network Data Collection activation schematic diagram being deployed in track periphery;
Fig. 3 is the wireless senser Sampling network data-gathering process schematic diagram being deployed in track periphery;
Fig. 4 is the wireless senser Sampling network deactivation process schematic diagram being deployed in track periphery.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
Under high-speed railway environment, dispose on the way for monitoring Crane Rail state, the private radio sensor network real-time monitoring data of the functions such as environmental monitoring carries out efficient data collection by high ferro motor-car.Because transducer is energy constraint device, the battery self be equipped with only is relied on to maintain energy resource supply, therefore for wireless sensor network, effectively reporting in monitor data communication process, the cycle of activity of effectively reducing energy consumption and sensor node is concerning most important the wireless sensor network maintaining long-time reliable operation.Sensor network mainly comprises three aspects: induction, communication, calculating (hardware, software, algorithm).Key technology wherein mainly contains wireless database technology, is such as used in the inquiry of wireless sensor network, and for the network technology with other sensor communication, particularly Multiple hop Routing Protocol.Such as Motorola is used in the ZigBee wireless protocols in home control system.So-called sensor network by being deployed in the zone of action in a large number, there is the distributed intelligence network system that environmentally independently can complete appointed task that the minute sense device node of radio communication and computing capability consists of Ad hoc mode.This patent, for the private radio sensor network disposed under high-speed railway environment, proposes a kind of mechanism of data collection efficiently on the way.Utilize the fixed motion track of high ferro motor-car to dispose wireless sensor network, sensing data, as information bearer activation transducer report data, is transferred to background process server by the external communication interface on train by train.Thus make backland real-time data acquisition become feasible, and substantially prolongs the useful life of sensor node.
As shown in Figure 1, high ferro motor-car possesses and can carry out with wireless sensor network the function that communicates.Dispose the antenna equipment for activation/deactivation wireless sensor node respectively at headstock and the tailstock, concrete deployed position can be placed in car bottom and both sides.In addition, dispose the data receiver of some in railway car both sides and bottom respectively, be namely equivalent to the data terminal equipment in traditional sensors network.When the wireless sensor network of such high ferro motor-car through disposing along motor-car track, it comprises the following steps the method that the data of ground wireless senser gather:
The first step: when high ferro motor-car travels, the activation antenna equipment being located at headstock sends activation instruction to the wireless sensor network being positioned at motor-car front.
Because train is in traveling process, be in high-speed motion state, therefore the activation antenna of train leading portion needs the monitoring sensor to track is disposed in advance to activate, and makes it enter communications status and outwardly send sensing data.
Second step: the wireless sensor network of high ferro motor-car through being activated, Crane Rail state information or environmental monitoring information are sent to the data receiver being located at vehicle body by wireless sensor network.
Because the direction of motion of train data receiver in high speed motions is orthogonal with below sensor node, and be also in the same way with whole sensor network on direction of traffic, therefore Doppler frequency shift is relatively little on the impact of whole data exchange process.At train at a high speed by the process of sensor network, when sensor network is disposed in advance according to it, the network topology structure of agreement carries out outside transfer of data, and the data receiver of the outside of railway car enters intercepts accepting state to collect sensing data.In whole process, the data receiver of rail cars may cannot report sensor node data in all border of complete collection due to the high-speed motion of train, therefore, more piece compartment is adopted to dispose the method for receiver, the process of whole data receiver is made to possess suitable redundancy, to improve the reliability of data receiver.
Then data after integration are sent to background process server by the external communication interface on train by the 3rd step: the Crane Rail state information received or environmental monitoring information are sent to train master control platform and carry out Data Integration by data receiver;
4th step: the deexcitation antenna equipment being located at the high ferro motor-car tailstock carries out deexcitation to the wireless sensor network crossed, enters sleep state to make wireless sensor node and saves energy consumption.
After train crosses sensor network, data summarization is carried out Data Integration to train master control platform and eats dishes without rice or wine to send by train and external network by the data receiver on train.Meanwhile, the deexcitation antenna of last vehicle of train carries out deexcitation to the sensor network crossed, and enters sleep state save energy consumption to make sensor node.
The hardware components that the present invention relates to comprise high ferro motor-car 1, along motor-car track dispose wireless sensor network 2 and background process server.The headstock of high ferro motor-car is provided with activation antenna equipment, and the tailstock of high ferro motor-car is provided with deexcitation antenna equipment, and the tailstock of high ferro motor-car is provided with data receiver.Activation antenna equipment, deexcitation antenna equipment are connected with the train master control platform of high ferro motor-car respectively with data receiver, and train master control platform is connected with platform processing server by the external communication interface on train.The wireless sensor network disposed along motor-car track is formed by connecting by multiple sensor node.Activate antenna equipment and be located at headstock car bottom or both sides, headstock compartment.Deexcitation antenna equipment is located at tailstock car bottom or both sides, tailstock compartment.Data receiver is provided with multiple, is laid in both sides, more piece compartment and bottom respectively.
Embodiment 2
As shown in figs. 2 to 4, high ferro motor-car possesses and can carry out with wireless sensor network the function that communicates.Dispose the antenna equipment for activation/deactivation wireless sensor node respectively at headstock and the tailstock, concrete deployed position can be placed in car bottom and both sides.In addition, dispose the data receiver of some in railway car both sides and bottom respectively, be namely equivalent to the data terminal equipment in traditional sensors network.When such high ferro motor-car is through being deployed in the wireless senser Sampling network of track periphery, it comprises the following steps the method that the data of ground wireless senser gather:
The first step: when high ferro motor-car travels, the activation antenna equipment being located at headstock sends activation instruction to the wireless sensor network being positioned at motor-car front.
Due to the Sampling network of wireless senser on a large scale of track periphery, its coverage is relatively large, therefore gather in network a large amount of sensor node, and the sensor node of far-end directly cannot transfer data to the data receiver on track due to the restriction of power of communications.Thus, when train will walk to wireless senser Sampling network, whole sensor network activates by the activation antenna equipment being located at headstock, after wireless senser Sampling network is activated, the wireless sensor node being positioned at far-end starts to utilize the mode of multi-hop to transmit data to reporting sensor node near the border of track.
Second step: the wireless sensor network of high ferro motor-car through being activated, Crane Rail state information or environmental monitoring information are sent to the data receiver being located at vehicle body by wireless sensor network.
When the wireless senser Sampling network of train through being activated, the wireless sensor node of far-end has all sent data in border report sensor node and has stored, and now, the Data Data collecting device that sensor node directly will be integrated is reported on border.
Then data after integration are sent to background process server by the external communication interface on train by the 3rd step: the Crane Rail state information received or environmental monitoring information are sent to train master control platform and carry out Data Integration by data receiver;
4th step: the deexcitation antenna equipment being located at the high ferro motor-car tailstock carries out deexcitation to the wireless sensor network crossed, enters sleep state to make wireless sensor node and saves energy consumption.
Claims (6)
1. an acquisition method for ground wireless sensor data by high-speed rail motor cars, is characterized in that, the method comprises the following steps:
1), when high ferro motor-car travels, the activation antenna equipment being located at headstock sends activation instruction to the wireless sensor network being positioned at motor-car front;
2) wireless sensor network of high ferro motor-car through being activated, Crane Rail state information or environmental monitoring information are sent to the data receiver being located at vehicle body by wireless sensor network;
3) the Crane Rail state information received or environmental monitoring information are sent to train master control platform and carry out Data Integration by data receiver, then by the external communication interface on train, the data after integrating are sent to background process server;
4) the deexcitation antenna equipment being located at the high ferro motor-car tailstock carries out deexcitation to the wireless sensor network crossed, and enters sleep state save energy consumption to make wireless sensor node;
When described wireless sensor network is the wireless sensor network along the deployment of motor-car track, Crane Rail state information or environmental monitoring information send to the data receiver being located at vehicle body to be specially by described wireless sensor network:
At train at a high speed by the process of sensor network, when sensor network is disposed in advance according to it, the network topology structure of agreement carries out outside transfer of data, and the data receiver of the outside of railway car enters intercepts accepting state to collect sensing data;
When described wireless sensor network is the wireless senser Sampling network being deployed in track periphery, Crane Rail state information or environmental monitoring information send to the data receiver being located at vehicle body to be specially by described wireless sensor network:
A), after wireless senser Sampling network is activated, the wireless sensor node being positioned at far-end starts to utilize the mode of multi-hop to transmit data to reporting sensor node near the border of track;
B) when the wireless senser Sampling network of train through being activated, the wireless sensor node of far-end has all sent data in border report sensor node and has stored, now, border is reported sensor node and directly the data of integration is sent to data receiver.
2. the acquisition method of a kind of ground wireless sensor data by high-speed rail motor cars according to claim 1, is characterized in that, described data receiver is provided with multiple, is laid in both sides, more piece compartment and bottom respectively.
3. one kind implements the claims the system of the acquisition method of the ground wireless sensor data by high-speed rail motor cars described in 1, it is characterized in that, this device comprises high ferro motor-car, wireless sensor network and background process server, described high ferro motor-car comprises activation antenna equipment, deexcitation antenna equipment, data receiver and train master control platform, activate antenna equipment and be located at headstock, deexcitation antenna equipment is located at the tailstock, data receiver is located at vehicle body, described activation antenna equipment, deexcitation antenna equipment and data receiver are connected with the train master control platform of high ferro motor-car respectively, train master control platform is connected with platform processing server by the external communication interface on train, the described wireless sensor network along the deployment of motor-car track is formed by connecting by multiple sensor node.
4. the system that gathers of the data of a kind of high ferro motor-car according to claim 3 to ground wireless senser, it is characterized in that, described activation antenna equipment is located at headstock car bottom or both sides, headstock compartment.
5. the system that gathers of the data of a kind of high ferro motor-car according to claim 3 to ground wireless senser, it is characterized in that, described deexcitation antenna equipment is located at tailstock car bottom or both sides, tailstock compartment.
6. the system that gathers of the data of a kind of high ferro motor-car according to claim 3 to ground wireless senser, it is characterized in that, described data receiver is provided with multiple, is laid in both sides, more piece compartment and bottom respectively.
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| CN102781062B (en) * | 2012-07-09 | 2015-11-11 | 中国科学院信息工程研究所 | Client/server adaptation scheme, system and monitoring system and method |
| CN106184235A (en) * | 2016-06-22 | 2016-12-07 | 屈国栋 | A kind of rail vehicle system |
| CN112141175B (en) * | 2020-09-24 | 2022-10-21 | 广西交控智维科技发展有限公司 | Rail transit operation and maintenance system and method |
| CN112249093B (en) * | 2020-09-24 | 2022-10-21 | 广西交控智维科技发展有限公司 | Rail transit operation and maintenance system and method |
| CN114577200A (en) * | 2022-03-08 | 2022-06-03 | 尚匠威亚智能装备(重庆)有限公司 | Path data exchange system for mobile carrying device |
| CN117864206A (en) * | 2024-03-11 | 2024-04-12 | 四川九通智路科技有限公司 | Low-cost distributed railway vehicle-road cooperative local active alarm system and method |
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Effective date of registration: 20170413 Address after: 200071 Shanghai Zhabei District Tibet North Road, building 10, floor 1-3, No. 489 Co-patentee after: Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences Patentee after: CRSC COMMUNICATION & INFORMATION GROUP SHANGHAI CO., LTD. Address before: 200436 Shanghai, Zhabei District, West Road, room No. 508, room 179 Co-patentee before: Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences Patentee before: Shanghai Tonghao Rail Transport Engineering Technology Research Center Co.,Ltd. |