CN208479859U - A kind of contact line switches monitoring system based on NB-IoT technology - Google Patents
A kind of contact line switches monitoring system based on NB-IoT technology Download PDFInfo
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- CN208479859U CN208479859U CN201821362054.2U CN201821362054U CN208479859U CN 208479859 U CN208479859 U CN 208479859U CN 201821362054 U CN201821362054 U CN 201821362054U CN 208479859 U CN208479859 U CN 208479859U
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Abstract
The utility model discloses a kind of contact line switches monitoring systems based on NB-IoT technology, wherein, monitoring host computer RTU is connect with IoT connection management module, touch computer, traction power supply telecontrol equipment respectively, IoT connection management module is connect with NB-IoT core network module, and NB-IoT core network module is connect with the base station NB-IoT.Contact line switches controlled device is connect with contact line switches motor-operating mechanism, acquires switch state, control switch movement.Contact line switches controlled device wirelessly accesses NB-IoT core network module by NB-IoT terminal, establishes data exchange channel by IoT connection management module and monitoring host computer RTU, realizes that monitoring host computer remotely monitors the state of contact line switches.The utility model solve the problems, such as existing wireless communication contact line switches monitoring system security reliability it is poor, at high cost, energy consumption is high, transmission range is short, vulnerable to interfere.
Description
Technical field
The utility model belongs to contact line switches monitoring system technical field of the electric railway based on NB-IoT technology, tool
Body is related to a kind of contact line switches monitoring system based on NB-IoT technology.
Background technique
Railway contact net motor switch is the important component of tractive power supply system, accomplishes to securely achieve contact line switches
Accurate division is the necessary condition for guaranteeing electric railway operation security and operation and maintenance personnel personal safety, railway contact net
Monitoring switch system mostly uses greatly optical fiber control mode, since optical fiber laying construction amount is big, is broken, troubleshooting trouble,
Especially yard station track is more, crosses station track laying optical fiber and handling failure is more difficult.Optical fiber is easy disconnected in extremely cold area simultaneously
It splits, seriously affects the communication of monitoring system.
Railway contact net monitoring switch system using wireless mode it is fewer, wireless system mainly use digital radio station,
The mode of GSM-R, 3G communication, it is at high cost, vulnerable to interference due to its energy consumption height, specific schedule and demand for control can only be met.
With the development of the communication technology and technology of Internet of things, the generation of narrowband Internet of Things (NB-IoT) technology, wirelessly to connect
The exchange of net-fault monitoring switch system data provides a kind of reliable, remote, low-power consumption transmission mode.Narrowband Internet of Things
(NB-IoT) technology is implemented in cellular network, only consumes the bandwidth of about 180KHz, can be deployed directly into GSM network, UMTS net
Network or LTE network support low power consuming devices to connect in the cellular data of wide area network to reduce lower deployment cost, realize smooth upgrade,
Also referred to as low-power consumption wide area network (LPWA).NB-IoT supports stand-by time length, to the efficient of network connectivity requirements higher device
Connection.Have the characteristics that covering is wide, connection is more, rate is low, at low cost, low in energy consumption, framework is excellent etc..NB-IoT uses License frequency
Section can take three kinds of deployment way such as interior band, protection band or Independent Carrier Wave, coexist with existing network.Telecom operators exist
NB-IoT network is disposed in multiple cities and province, is provided for contact line switches monitoring system wireless mode using (NB-IoT) technology
Condition.
Utility model content
For above-mentioned deficiency in the prior art, the contact line switches prison provided by the utility model based on NB-IoT technology
The contact line switches monitoring system security reliability that control system solves existing wireless communication is poor, at high cost, energy consumption is high, transmission range
The problem of short, vulnerable to interference.
In order to achieve the above object of the invention, the technical solution adopted in the utility model are as follows: a kind of based on NB-IoT technology
Contact line switches monitoring system, including monitoring management subsystem, contact line switches terminal subsystem and communication subsystem；
The monitoring management subsystem is connect by communication subsystem with the contact line switches subsystem；
The monitoring management subsystem includes that monitoring host computer RTU, touch computer, traction power supply sports equipment are connected with IoT
Management module, the touch computer, traction power supply equipment and IoT connection management module are connect with monitoring host computer RTU；
The communication subsystem includes the base station NB-IoT and NB-IoT core network module, the base station NB-IoT with it is described
The connection of NB-IoT core network module；
The contact line switches terminal subsystem includes NB-IoT terminal, contact line switches controlled device and contact line switches
Motor-operating mechanism；The contact line switches motor-operating mechanism is connect with contact line switches controlled device, and the contact net is opened
Controlled device is closed to connect with the NB-IoT terminal；
The connection of NB-IoT base station radio described in the NB-IoT terminal, the NB-IoT core network module and NB-IoT connect
Connect management module connection.
Further, the NB-IoT terminal is metal-enclosed type box body, is provided with radio receiving transmitting module in box body, and set
It is equipped with the SMA interface connecting with the radio receiving transmitting module.
Further, the com mouth of the contact line switches controlled device passes through RS232 serial ports and the NB-IoT terminal
Com mouthfuls of connections；
The SMA interface of the NB-IoT terminal is connected with external antenna, connect with the NB-IoT base station radio；
The LAN1 interface and IoT connection management module wired connection of the monitoring host computer RTU；
The com mouth of the monitoring host computer RTU is connect by RS232 serial ports with the com of touch computer mouth；
The LAN2 interface and traction power supply sports equipment wired connection of the monitoring host computer RTU.
Further, the remote signalling YX terminal of the contact line switches controlled device and remote control YK terminal are opened with contact net respectively
The remote signalling YX terminal of powered-down pneumatic operating mechanism is connected with remote control YK terminal.
Further,
The monitoring host computer RTU model QL-JKK-02E；
The model TCP1561 of the touch computer；
The model GM-60000DAS of the traction power supply sports equipment；
The model HUAWEI DBS3900 of the base station NB-IoT；
The model MR41R of the contact line switches motor-operating mechanism；
The model QL-JKK-9A-02 (M) of the contact line switches controlled device
The model four of the NB-IoT terminal believes F2910.
The utility model has the following beneficial effects: the utility model provides a kind of completely new contact based on NB-IoT technology
Net monitoring switch system solves the existing problem big, at high cost by wired mode connection construction amount；It has been obviously shortened and has set
The duration of standby construction, difficulty of construction is reduced, the period of equipment safety operation is greatly improved, ensure that contact line switches
Safe operation, reduces equipment use and maintenance expense and cost of labor；Simultaneously be equipped with total digitalization data processing method, IP without
Line network transmission has very strong anti-interference ability.
Detailed description of the invention
Fig. 1 is the contact line switches monitoring system structure based on NB-IoT technology in embodiment provided by the utility model
Figure.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.
As shown in Figure 1, a kind of contact line switches monitoring system based on NB-IoT technology, including monitoring management subsystem,
Contact line switches terminal subsystem and communication subsystem；Monitoring management subsystem passes through communication subsystem and contact line switches subsystem
System connection；Monitoring management subsystem includes monitoring host computer RTU, touch computer, traction power supply sports equipment and IoT connection management mould
Block, touch computer, traction power supply equipment and IoT connection management module are connect with monitoring host computer RTU；Communication subsystem includes
The base station NB-IoT and NB-IoT core network module, the base station NB-IoT are connect with NB-IoT core network module；Contact line switches
Terminal subsystem includes NB-IoT terminal, contact line switches controlled device and contact line switches motor-operating mechanism；Contact net is opened
Powered-down pneumatic operating mechanism is connect with contact line switches controlled device, acquires switch state, control switch movement；Contact line switches by
It controls device and NB-IoT terminal connects, wirelessly access NB-IoT core network module, pass through NB-IoT connection management mould
Block and monitoring host computer RTU establish data exchange channel, and the state that host RTU remotely establishes contact line switches is established in realization.
Wherein, the com mouth of contact line switches controlled device is connect by RS232 serial ports with the com of NB-IoT terminal mouth, real
Existing data exchange；
NB-IoT terminal is metal-enclosed type box body, is provided with radio receiving transmitting module and power module in box body, and be arranged
The SMA interface of being and not being line transceiver module connection；Its SMA interface is connected with external antenna, connect with NB-IoT base station radio；
The LAN1 interface and IoT connection management module wired connection of monitoring host computer RTU, is accessed in a manner of wired IP networks
It is built to IoT connection management module by the forwarding capability of IoT connection management module with the contact line switches controlled device at scene
View is realized distant between monitoring host computer RTU and live contact line switches controlled device with IP addressing, the Ethernet of wireless communication
It controls, the real-time Transmission of remote signalling data information；
The com mouth of monitoring host computer RTU is connected by RS232 serial ports and the com mouth of touch computer, realizes the transmission of data,
The remote signalling state of cancel switch is shown in man-machine interface monitoring software in touch computer and issues control command；
The LAN2 interface of monitoring host computer RTU is connect by railway dedicated network with traction power supply sports equipment, is realized remote
Long-range control of side's scheduling to contact line switches.
The remote signalling YX terminal of contact line switches controlled device and remote control YK terminal, respectively with contact line switches electric operating machine
The remote signalling YX terminal of structure is connected with remote control YK terminal.
Above-mentioned monitoring host computer RTU model QL-JKK-02E；
The model TCP1561 of touch computer；
The model GM-60000DAS of traction power supply sports equipment；
The model HUAWEI DBS3900 of the base station NB-IoT；
The model MR41R of contact line switches motor-operating mechanism；
The model QL-JKK-9A-02 (M) of contact line switches controlled device
The model four of NB-IoT terminal believes F2910；
The platform that model HUAWEI OceanConnect can be used in above-mentioned IoT connection management module realizes its function.
The above-mentioned contact line switches monitoring system based on NB-IoT technology carries out control information using NB-IoT Internet of Things
Transmission mode can be used remote host controllers and connect due to the safe and reliable transmission feature of NB-IoT Internet of Things
Whether dividing/closing in control process for net-fault switch, accurately divided/closed by position of the switch remote signalling state confirmation contact line switches
Position thereby may be ensured that power supply safety is run, it is less because in contact line switches operating process point/close signal delay due to caused by accidentally
Operational issue.
In one embodiment of the utility model, the sequence of movement that the operation of contact line switches uses: monitoring is provided
Host RTU by way of communication transmitting data to the contact line switches controlled device of controlled contact line switches issue control point/
The order of conjunction, after the controlled device of controlled contact line switches receives order, control motor-operating mechanism rotation contact line switches
Movement arm, which is realized, divides/conjunction movement, after contact line switches movement arm turns to accurate location, by contact line switches motor-operating mechanism
In positioning auxiliary contact provide one point/close signal in place, which is transferred to distal end through controlled cell, by communication mode
Monitoring host computer RTU, controllers be assert the controlled contact line switches accurately complete this order request point/close behaviour
Make.The information transmission of this control mode depends on communication line, but in recent years due to the fast development of railway construction, for
Electronic contact line switches are added on the existing yard route completed through construction, or very common to the transformation of existing line,
At this moment wire communication line is laid on existing line will cause high-cost investment, therefore, based on connecing for NB-IoT technology
Net-fault monitoring switch system solves new for the completely new design that contact line switches are controlled using the new communication technology
Increase the contradiction of high investment cost between the safe and reliable control and structural control route of contact line switches.
In one embodiment of the utility model, the contact line switches monitoring system based on NB-IoT technology is additionally provided
The course of work: the contact line switches point issued by scheduling or monitoring host computer RTU/close control command, through monitoring host computer RTU's
LAN1 interface is linked into IoT connection management module, after protocol processes and encryption, passes through IoT connection management module forwards function
Live NB-IoT terminal is issued in a manner of wireless IP with NB-IoT internet of things system, the data warp that NB-IoT terminal receives
After protocol processes and decryption, contact line switches controlled device is given with the operation content of resolve command by com serial ports, and will hold
The signal of line command movement is sent into contact line switches motor-operating mechanism by YK interface, by contact line switches motor-operating mechanism
Execute the contact line switches point/conjunction control action for completing that host requires.
After executing the contact line switches completed point/conjunction control action in place by contact line switches motor-operating mechanism, contact
Net switch on/off electric operating mechanism acquires contact line switches point/conjunction location information, and divides/close location information to pass through YX interface on switch
It is transferred to contact line switches controlled cell, after the coded treatment of contact line switches controlled device, NB- is inputted by the port com
IoT terminal wirelessly issues the base station NB-IoT after protocol processes and encryption, is transmitted by NB-IoT internet of things system
Monitoring host computer RTU is transferred in a manner of cable network after IoT connection management module forwards to IoT connection management module
LAN1 mouth pass through serial ports com and touch computer after monitoring host computer RTU carries out protocol processes and decryption to the data that receive
The port com be connected, above send data, shown on the graphical interfaces of touch computer current live contact line switches point/close
State.Monitoring host computer RTU above send contact line switches state to scheduling by LAN2 mouthfuls of access traction power supply telecontrol systems.
The utility model has the following beneficial effects: the utility model provides a kind of completely new contact based on NB-IoT technology
Net monitoring switch system solves the existing problem big, at high cost by wired mode connection construction amount；It has been obviously shortened and has set
The duration of standby construction, difficulty of construction is reduced, the period of equipment safety operation is greatly improved, ensure that contact line switches
Safe operation, reduces equipment use and maintenance expense and cost of labor；Simultaneously be equipped with total digitalization data processing method, IP without
Line network transmission has very strong anti-interference ability.
Claims (5)
1. a kind of contact line switches monitoring system based on NB-IoT technology, which is characterized in that including monitoring management subsystem, connect
Net-fault switch terminal subsystem and communication subsystem；
The monitoring management subsystem is connect by communication subsystem with the contact line switches terminal subsystem；
The monitoring management subsystem includes monitoring host computer RTU, touch computer, traction power supply sports equipment and IoT connection management
Module, the touch computer, traction power supply equipment and IoT connection management module are connect with monitoring host computer RTU；
The communication subsystem includes the base station NB-IoT and NB-IoT core network module, the base station NB-IoT and the NB-
The connection of IoT core network module；
The contact line switches terminal subsystem includes that NB-IoT terminal, contact line switches controlled device and contact line switches are electronic
Operating mechanism；The contact line switches motor-operating mechanism is connect with contact line switches controlled device, the contact line switches by
Control device is connect with the NB-IoT terminal；
The connection of NB-IoT base station radio described in the NB-IoT terminal, the NB-IoT core network module and NB-IoT connecting tube
Manage module connection.
2. the contact line switches monitoring system according to claim 1 based on NB-IoT technology, which is characterized in that described
NB-IoT terminal is metal-enclosed type box body, is provided with radio receiving transmitting module in box body, and be provided with and the wireless receiving and dispatching mould
The SMA interface of block connection.
3. the contact line switches monitoring system according to claim 2 based on NB-IoT technology, which is characterized in that described to connect
The com mouth of net-fault switch controlled device is connect by RS232 serial ports with the com mouth of the NB-IoT terminal；
The SMA interface of the NB-IoT terminal is connected with external antenna, connect with the NB-IoT base station radio；
The LAN1 interface and IoT connection management module wired connection of the monitoring host computer RTU；
The com mouth of the monitoring host computer RTU is connect by RS232 serial ports with the com of touch computer mouth；
The LAN2 interface and traction power supply sports equipment wired connection of the monitoring host computer RTU.
4. the contact line switches monitoring system according to claim 3 based on NB-IoT technology, which is characterized in that described to connect
Touch net switch controlled device remote signalling YX terminal and be remotely controlled YK terminal respectively with the remote signalling YX of contact line switches motor-operating mechanism
Terminal is connected with remote control YK terminal.
5. the contact line switches monitoring system according to claim 3 based on NB-IoT technology, which is characterized in that
The monitoring host computer RTU model QL-JKK-02E；
The model TCP1561 of the touch computer；
The model GM-60000DAS of the traction power supply sports equipment；
The model HUAWEI DBS3900 of the base station NB-IoT；
The model MR41R of the contact line switches motor-operating mechanism；
The model QL-JKK-9A-02 (M) of the contact line switches controlled device
The model four of the NB-IoT terminal believes F2910.
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| CN201821362054.2U CN208479859U (en) | 2018-08-22 | 2018-08-22 | A kind of contact line switches monitoring system based on NB-IoT technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633023A (en) * | 2023-07-05 | 2023-08-22 | 希格玛电气(珠海)有限公司 | Isolation switch control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633023A (en) * | 2023-07-05 | 2023-08-22 | 希格玛电气(珠海)有限公司 | Isolation switch control system and method |
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