CN107705662A - Track traffic location simulation system and simulation demo method based on induction loop - Google Patents
Track traffic location simulation system and simulation demo method based on induction loop Download PDFInfo
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- CN107705662A CN107705662A CN201710890420.5A CN201710890420A CN107705662A CN 107705662 A CN107705662 A CN 107705662A CN 201710890420 A CN201710890420 A CN 201710890420A CN 107705662 A CN107705662 A CN 107705662A
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- G—PHYSICS
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
Track traffic location simulation system and simulation demo method based on induction loop.A kind of track traffic location simulation system based on induction loop, including induction loop location equipment, cab signal transmitter I, cab signal transmitter II, section take detection circuit and computer system；Induction loop location equipment includes：Indoor check sender unit, indoor check signal receiver, indoor train signal receiver I, indoor train signal receiver II and relay tripper.The analogue system is using induction loop, computer system as core, the signal that cab signal transmitter I and cab signal transmitter II are sent is received by indoor train signal receiver I and indoor train signal receiver II, the connection of transmitter and induction loop is checked in disconnection chamber, make the section track take the relay switch of detection circuit to fall, connect section and take indicating circuit, realize simulation train positioning, registration, it is simple, convenient, whole simulation process is intuitively shown eventually through terminal, teaching efficiency is good, efficiency high, and cost is low.
Description
Technical field
It is more particularly to a kind of to be applied to Higher Vocational College, rail the present invention relates to a kind of track traffic location simulation system
Road Transportation Enterprises carry out the track traffic location simulation system and simulation demo method based on induction loop of technical training.
Background technology
Track traffic possesses accuracy, continuity and reliability to train positioning requirements；Current track traffic is applied
Train locating method has track circuit positioning, meter shaft positioning, inquiry --- transponder positioning, speed-position detection, cross-inductive loop wire are determined
Position, radio communication positioning etc., above train locating method has obtained good application in the track traffic in city, wherein one
A little technologies have been realized in movable block, so as to improve train position tracking precision, allow follow-up train by the line areas
The forward last vehicle of train position that section maximum permission speed safely confirms close to last time, and safe distance is kept therewith；Together
When, train need not stopping ahead in occupied track circuit subregion porch, interval significantly shortens.
Have some rail transit train localization methods at present and be used for simulation teaching and training, be based particularly on induction loop
Localization method, but due to not establishing special analogue system, substantially imparted knowledge to students and trained with real equipment,
Therefore have the following disadvantages：
1. not only floor space is big for equipment, and cost is high, procurement cycle length；
2. utilization rate is not high, maintenance period length, maintenance cost is high；
3. equipment is excessively complicated, operation inconvenience, it is impossible to meets the needs of teaching, or even needs to disconnect with the teaching of reality.
The content of the invention
It is simple to operate based on induction loop it is an object of the invention to be accurately positioned in view of the above-mentioned problems, providing one kind
Track traffic location simulation system and simulation demo method, to overcome the above-mentioned deficiency present in prior art.
The present invention adopts the technical scheme that：A kind of track traffic location simulation system based on induction loop, including sense
Loop wire location equipment, cab signal transmitter I, cab signal transmitter II, section is answered to take detection circuit and computer system；
The cab signal transmitter I is located at the front portion of train, and cab signal transmitter II is located at the rear portion of train, the sensing
Loop wire location equipment, section take detection circuit and computer system is located in track section；
The induction loop location equipment includes：Indoor check sender unit, indoor check signal receiver, indoor train letter
Number receiver I, indoor train signal receiver II and relay tripper；
The section, which takes detection circuit, includes section occupancy detection module, section occupancy indicating circuit and relay III, section
Take the movable contact and fixed contact of the relay switch III of the both ends difference contact relay III of indicating circuit, the electromagnetism of relay III
Coil III 1 terminates indoor check signal receiver, other end ground connection, and relay III takes detection module with calculating by section
Machine system connects；
The relay tripper includes relay I and relay II, and the magnet coil I 1 of relay I terminates indoor train
Signal receiver I, other end ground connection；The magnet coil II 1 of relay II terminates indoor train signal receiver II, the other end
Ground connection；The relay switch I of relay I and the relay switch II of relay II are serially connected in terminal B and the interior of induction loop
Between check signal receiver；
The cab signal transmitter I, cab signal transmitter II, indoor check sender unit, indoor check signal receive
Device, the indoor train signal receiver II of indoor train signal receiver I use SX1278 wireless modules, and passed through respectively
RS485 serial communication bus is connected with computer system；
The relay that the RS485A ends of the SX1278 wireless modules of the indoor check sender unit pass through relay tripper
Device switch I and relay switch II connect the terminal B of induction loop, its RS232 termination computer systems；
The terminal A of the RS485A ends connection induction loop of the SX1278 wireless modules of indoor check signal receiver, its RS485B
Jointing is held to take the magnet coil III of the relay III of detection circuit, its RS232 termination computer systems；
The terminal A of the RS485A ends connection induction loop of the SX1278 wireless modules of indoor train signal receiver I, its RS485B
The magnet coil I of the relay I of end connection relay tripper, its RS232 termination computer systems；
The terminal A of the RS485A ends connection induction loop of the SX1278 wireless modules of indoor train signal receiver II, its
The magnet coil II of the relay II of RS485B ends connection relay tripper, RS232 termination computer systems；
The section takes detection module and is sent to department of computer science for the switching signal of relay III to be converted into data signal
System, section take the seizure condition that indicating circuit is used for display block track；
The cab signal transmitter I is used for the signal for sending train head's injection section, and cab signal transmitter II is used
In the signal for sending train tailstock injection section；
The indoor check sender unit shows whether loop wire section completely checks signal for transmission；
The indoor check signal receiver is used to check the inspection signal that sender unit is sent in receiving chamber, and according to inspection
The state control zone of signal takes the working condition of detection circuit；
Cab signal transmitter I is sent when the indoor train signal receiver I is used to receive train head's injection section
Signal, and pass through the connection of the open or closed induction loop terminal B of relay tripper and indoor check transmitter；
Cab signal transmitter II is sent out when the indoor train signal receiver II is used to receive train tailstock injection section
The signal sent, and pass through the connection of the open or closed induction loop terminal B of relay tripper and indoor check transmitter；
The effect of the computer system：
First, the inspection signal of signal receiver is checked in receiving chamber；
Second, detection and the indoor check sender unit of display, section take detection circuit and indoor train signal receiver I
With the working condition of indoor train signal receiver II；
When detector segments take detection circuit working state：Detect that the relay of relay III is opened when section takes detection module
Code 1 is sent to computer system when pass III picks up, section takes indicating circuit and disconnected, computer system display screen corresponding line
Green color band is shown, indicates that no car takes；Detect that the relay switch III of relay III is fallen when section takes detection module
When to computer system send code 0, section takes indicating circuit and connected, and the display of computer system display screen corresponding line is red
Light belt, indicate car occupancy.
Its further technical scheme is：
The SX1278 wireless modules are to have both the multi-channel wireless module for receiving and sending, wherein：
Indoor check sender unit and indoor check signal receiver use channel 1, indoor train signal receiver I and vehicle-mounted
Sender unit I uses channel 3, and indoor train signal receiver II and cab signal transmitter II use channel 5；
The computer system configurations are：Not less than 32 bit processors, internal memory is not less than 2GB, and internal memory is not less than 40G.
Its another technical scheme is：
A kind of track traffic location simulation demenstration method based on induction loop, it is using above-mentioned a kind of based on induction loop
The method that track traffic location simulation system carries out simulation demo, comprises the following steps：
When S1 track sections are without car：Indoor train signal receiver I and indoor train signal connect II and are not received by signal, room
It is interior check that signal receiver receives that indoor check sender unit sends show that loop wire section completely checks signal, drive area
The relay III of Duan Zhanyong detection circuits acts, and relay switch III picks up, and section takes indicating circuit and disconnected, computer system
Display screen corresponding line shows green color band, shows track section without train occupation；
During S2 headstock injection sections：Indoor train signal receiver receives cab signal transmitter I and sent out by transmission antenna I
The signal sent, the relay I of driving relay tripper act, and relay switch I picks up disconnection, so as to be checked in disconnection chamber
The connection of the terminal B of transmitter and induction loop, section take the loss of excitation of relay III of detection circuit, and relay switch III falls
Under, connect section and take indicating circuit, computer system display screen corresponding line shows red light bands, represents that track section there are row
Car takes；
During S3 tailstock injection sections：
Now train head and the tailstock are respectively positioned in track section, and indoor train signal receiver receives cab signal transmitter I
The signal sent by transmission antenna I, the relay I of driving relay tripper act, and relay switch I picks up disconnection,
And indoor train signal receiver II simultaneously receive the signal that cab signal transmitter II is sent by transmission antenna II, drive after
The relay II of electrical equipment tripper acts, and relay switch II picks up disconnection, makes indoor check transmitter and induction loop
The connection of terminal B remains off, and section takes the loss of excitation of relay III of detection circuit, and relay switch III continues holding and fallen
Lower state, section take indicating circuit and continued to turn on, and computer system display screen corresponding line shows red light bands, represent train
Still the track section is taken；
When S4 headstocks go out clear track section：Indoor train signal receiver can not receive the signal of the transmission of cab signal transmitter I, after
The loss of excitation of relay I of electrical equipment tripper, its relay switch I are fallen, and field application relay III is prepared when going out clear for train, and
Now indoor train signal receiver remains to receive the signal of the transmission of cab signal transmitter II, the relay of relay tripper
Device II acts, and relay switch II continues holding and picks up off-state, makes the terminal B of indoor check transmitter and induction loop
Connection continues to remain off, and section takes the loss of excitation of relay III of detection circuit, and relay switch III continues holding and fallen
State, section, which takes indicating circuit, to be continued to remain up, and computer system display screen corresponding line shows red light bands, represents row
Car still takes the track section；
When the S5 tailstock goes out this clear section：Indoor train signal receiver I and indoor train signal connect II and are not received by signal,
Indoor check signal receiver receives the inspection signal that indoor check sender unit is sent, and shows that loop wire section is complete, relay
The relay I and all losss of excitation of relay II, relay switch I of device tripper fall with relay switch II and connect indoor school
The connection of the terminal B of core transmitter and induction loop, and the relay III of drive section occupancy detection circuit acts, relay is opened
Close III to pick up, disconnect section and take indicating circuit, computer system display screen corresponding line shows green color band, represents track regions
Section is without train occupation.
Due to taking above-mentioned technical proposal, the track traffic location simulation system based on induction loop of the present invention and emulation
Demenstration method
Have the advantages that：
1. a kind of track traffic location simulation system based on induction loop of the present invention is using induction loop, computer system to be
Unite core, cab signal transmitter I and vehicle-mounted is received by indoor train signal receiver I and indoor train signal receiver II
The signal that sender unit II is sent, the connection of check transmitter and induction loop, makes the section track relay in disconnection chamber
Switch K3 fall, so as to connect section take indicating circuit, preferably realize simulation train positioning, registration, operation letter
Singly, conveniently, preferably meets the needs of imparting knowledge to students or training；
2. because the indoor train signal receiver I, indoor train signal receiver II, indoor check of the analogue system are sent
Device, indoor check receiver and section take detection circuit and are connected by RS485 serial communication bus with computer system,
Its working condition is monitored by computer system, simulation demo method is easy to operate, easy to spread, and whole simulation demo process is final
Intuitively shown by terminal, teaching efficiency is good, efficiency of teaching is high；
3. the analogue system scientific structure design, its main modular uses multichannel SX1278 wireless modules, and the module has both
Reception and sending function, are not only convenient for safeguarding, and can substantially reduce cost.
With reference to the accompanying drawings and examples to track traffic location simulation system of the present invention based on induction loop and imitative
The technical characteristic of true demenstration method is further described.
Brief description of the drawings
Fig. 1 is the track traffic location simulation system architecture diagram based on induction loop；
Fig. 2~Fig. 6 is simulation demo process schematic：
Fig. 2 is without train occupation track section, and Fig. 3 is train head's injection section, and Fig. 4 is that train head and the tailstock enter
Enter track section, Fig. 5 is that train head goes out the clear, tailstock still in track section, and Fig. 6 is that train head and the tailstock go out to clear out rail
Road section；
Fig. 7 is that computer system uses schematic diagram more with covering a kind of track traffic location simulation system based on induction loop；
In figure：
00-computer system, 000-RS485 serial communication bus, 01-train, 02-track, 03-induction loop, 04-
Section takes detection circuit, 05-relay tripper, CF1-cab signal transmitter I, CF2-cab signal transmitter
II, CFT1-transmission antenna I, CFT1-transmission antenna II, FS-indoor check sender unit, JS-indoor check signal connect
Receive device, NC1-indoor train signal receiver I, J1-relay I, NC2-indoor train signal receiver II, J2-relay
Device II, J3-relay III, K1-relay switch I, K2-relay switch II, K3-relay switch III, L1-electromagnetism
Coil I, L2-electromagnetic wire II enclose, L3-magnet coil III, and ZS-section takes indicating circuit, and GZJC-section takes detection mould
Block.
Embodiment
Embodiment one
A kind of track traffic location simulation system based on induction loop, including induction loop location equipment, cab signal are sent
The CF1 of device I, the CF2 of cab signal transmitter II, section take detection circuit 04 and computer system 00；
The CF1 of cab signal transmitter I is located at the front portion of train, and the CF2 of cab signal transmitter II is located at the rear portion of train, institute
State induction loop location equipment, section takes detection circuit and computer system is located in track section；
The induction loop location equipment includes：Indoor check sender unit FS, indoor check signal receiver JS, indoor row
The NC1 of car signal receiver I, the indoor NC2 of train signal receiver II and relay tripper 05；
The section, which takes detection circuit 04, includes the section occupancy indicating circuit GZJC and J3 of relay III, and section takes instruction electricity
The K3 of switch III of the both ends difference contact relay III on road movable contact and fixed contact, the L3 mono- of magnet coil III of relay III are terminated
Indoor check signal receiver JS, other end ground connection；
The relay tripper 05 includes the J1 of the relay I and J2 of relay II, the J1 of relay I L1 one end of magnet coil I
Connect the indoor NC1 of train signal receiver I, other end ground connection；The J2 of relay II L2 mono- of magnet coil II terminates indoor train letter
Number NC2 of receiver II, other end ground connection；The K1 of switch I of relay I and the K2 of switch II of relay II are serially connected in induction loop
Between terminal B and indoor check signal receiver JS；
The CF1 of cab signal transmitter I, the CF2 of cab signal transmitter II, indoor check sender unit FS, indoor check
The NC2 of train signal receiver II uses the wireless moulds of SX1278 in signal receiver JS, the NC1 rooms of indoor train signal receiver I
Block, and be connected respectively by RS485 serial communication bus with computer system；
The RS485A ends of the SX1278 wireless modules of the indoor check sender unit FS by relay tripper 05 it
The K1 of relay switch I connects the terminal B of induction loop, its RS232 termination computer systems with the K2 of relay switch II；
The terminal A of the RS485A ends connection induction loop of indoor check signal receiver JS SX1278 wireless modules, its
RS485B ends jointing takes the J3 of relay III of detection circuit 04 magnet coil III L3, its RS232 termination department of computer science
System；
The terminal A of the RS485A ends connection induction loop of the indoor NC1 of train signal receiver I SX1278 wireless modules, its
The J1 of relay I of RS485B ends connection relay tripper magnet coil I L1, its RS232 termination computer system；
The terminal A of the RS485A ends connection induction loop of the indoor NC2 of train signal receiver II SX1278 wireless modules, its
The J2 of relay II of RS485B ends connection relay tripper magnet coil II L2, RS232 termination computer system；
The section takes detection module GZJC and is sent to calculating for the switching signal of relay III to be converted into data signal
Machine system, section take the seizure condition that indicating circuit ZS is used for display block track；
The CF1 of cab signal transmitter I is used for the signal for sending train head's injection section, cab signal transmitter II
CF2 is used for the signal for sending train tailstock injection section；
The indoor check sender unit FS shows whether loop wire section completely checks signal for transmission；
The indoor check signal receiver JS is used to check the inspection signal that sender unit is sent in receiving chamber, and according to inspection
The state control zone for looking into signal takes the working condition of detection circuit；
Cab signal transmitter I when the indoor NC1 of train signal receiver I is used to receive train head's injection section
The signal that CF1 is sent, and by the open or closed induction loop terminal B of relay tripper with indoor check transmitter FS's
Connection；
Cab signal transmitter II when the indoor NC2 of train signal receiver II is used to receive train tailstock injection section
The signal that CF2 is sent, and by the open or closed induction loop terminal B of relay tripper with indoor check transmitter FS's
Connection；
The effect of the computer system：
First, signal receiver JS inspection signal is checked in receiving chamber；
Second, detection and the indoor check sender unit FS of display, section take detection circuit 04 and indoor train signal receives
The NC1 of device I and the indoor NC2 of train signal receiver II working condition；
When detector segments take detection 04 working condition of circuit：When section occupancy detection module detects the J3 of relay III relay
Device switchs and sends code 1 to computer system when III K3 is picked up, and section takes indicating circuit ZS and disconnected, computer system display screen
Corresponding line shows green color band, indicates that no car takes；When section occupancy detection module detects the J3 of relay III relay
Switch and send code 0 to computer system when III K3 is fallen, section takes indicating circuit and connected, and computer system display screen is corresponding
Circuit shows red light bands, indicates car occupancy.
The computer system configurations are：Not less than 32 bit processors, internal memory is not less than 2GB, and internal memory is not less than 40G.
The SX1278 wireless modules are to have both the multi-channel wireless module for receiving and sending, and the module can provide multiple frequencies
The selection in road, can the various parameters such as online modification serial port baud rate, transmitting-receiving frequency, transmission power, radio frequency air speed, and can lead to
RS485 serial communication bus is crossed directly to be connected with computer system.
In the present embodiment：
Indoor check sender unit FS and indoor check signal receiver JS use channel 1, indoor train signal receiver I
The NC1 and CF1 of cab signal transmitter I uses channel 3, the indoor NC2 of train signal receiver II and cab signal transmitter II CF2
Using channel 5；Therefore the indoor NC1 of train signal receiver I can only receive the signal of the CF1 of cab signal transmitter I transmissions, indoor
The NC2 of train signal receiver II can only receive the signal of the CF2 of cab signal transmitter II transmissions；
Embodiment two
A kind of track traffic location simulation demenstration method based on induction loop, is that one kind described in exploitation right embodiment one is based on
The method that the track traffic location simulation system of induction loop carries out simulation demo, comprises the following steps：
When S1 track sections are without car：The indoor NC1 of train signal receiver I and indoor train signal meet II NC2 and are not received by
Signal, what indoor check signal receiver JS received that indoor check sender unit FS sends shows that loop wire section completely checks
Signal, drive section take the J3 of relay III actions of detection circuit, and the K3 of relay switch III is picked up, and section takes indicating circuit
Disconnect, show track section without train occupation；（Referring to accompanying drawing 2）
During S2 headstock injection sections：Indoor train signal receiver NC1 receives the CF1 of cab signal transmitter I and passes through transmission
The signal that the CFT1 of antenna I is sent, the J1 of relay I actions of driving relay tripper, the K1 of relay switch I pick up disconnection,
So as to check the connection of the terminal B of transmitter FS and induction loop in disconnection chamber, section takes the J3 of relay III of detection circuit
Loss of excitation, the K3 of relay switch III are fallen, and are connected section and are taken indicating circuit, represent that track section has train occupation；（Referring to accompanying drawing
3）
During S3 tailstock injection sections：
Now train head and the tailstock are respectively positioned in track section, and indoor train signal receiver NC1 receives cab signal transmission
The signal that the CF1 of device I is sent by the CFT1 of transmission antenna I, the J1 of relay I actions of driving relay tripper, relay are opened
Close I K1 and pick up disconnection, and the indoor NC2 of train signal receiver II receives the CF2 of cab signal transmitter II by sending day simultaneously
The signal that the CFT2 of line II is sent, the J2 of relay II actions of driving relay tripper, the K2 of relay switch II pick up disconnection,
Remain off the connection of indoor check transmitter FS and induction loop terminal B, section takes the relay of detection circuit
The J3 losss of excitation of device III, the K3 of relay switch III continue to keep full state, and section takes indicating circuit and continued to turn on, and represents train still
So take the track section；（Referring to accompanying drawing 4）
When S4 headstocks go out clear track section：Indoor train signal receiver NC1 can not receive the CF1 of cab signal transmitter I transmissions
Signal, the J1 losss of excitation of relay I of relay tripper, its relay switch I K1 are fallen, field application relay when going out clear for train
III J3 prepares, and now indoor train signal receiver NC2 remains to receive the signal of the CF2 of cab signal transmitter II transmissions,
The J2 of relay II actions of relay tripper, the K2 of relay switch II continue holding and pick up off-state, make indoor check
The connection of the terminal B of transmitter FS and induction loop continues to remain off, and section takes the J3 of relay III of detection circuit
Loss of excitation, the K3 of relay switch III continue to keep full state, and section, which takes indicating circuit, to be continued to remain up, and represents train still
Take the track section；（Referring to accompanying drawing 5）
When the S5 tailstock goes out this clear section：The indoor NC1 of train signal receiver I and indoor train signal meet II NC2 and not received
To signal, indoor check signal receiver JS receives the inspection signal that indoor check sender unit FS is sent, shows loop wire area
Section is complete, the J1 of relay I and the J2 of relay II all losss of excitation of relay tripper, the K1 of relay switch I and relay switch
II K2 falls the connection for the terminal B for connecting indoor check transmitter FS and induction loop, and drive section takes detection circuit
The J3 of relay III actions, the K3 of relay switch III picks up, and disconnects section and takes indicating circuit, represents that track section accounts for without train
With.
As the conversion of above-described embodiment, the CF1 of cab signal transmitter I, the CF2 of cab signal transmitter II or do not adopt
With SX1278 wireless modules, but directly connect from computer system to the indoor NC1 of train signal receiver I or indoor train signals
The SX1278 modules for receiving the NC2 of device II send the signal of respective frequencies, to realize that train head's injection section, the tailstock enter to enter the orbit
Road section and train go out clear simulation.
Claims (3)
- A kind of 1. track traffic location simulation system based on induction loop, it is characterised in that：Including induction loop location equipment, Cab signal transmitter I（CF1）, cab signal transmitter II（CF2）, section take detection circuit（04）And computer system （00）；The cab signal transmitter I（CF1）It is located at the front portion of train, cab signal transmitter II（CF2）After being located at train Portion, the induction loop location equipment, section take detection circuit and computer system is located in track section；The induction loop location equipment includes：Indoor check sender unit（FS）, indoor check signal receiver（JS）, room Interior train signal receiver I（NC1）, indoor train signal receiver II（NC2）And relay tripper（05）；The section takes detection circuit（04）Detection module is taken including section（GZJC）, section take indicating circuit（ZS）With Relay III（J3）, the relay switch III of the both ends difference contact relay III of section occupancy indicating circuit（K3）Movable contact and Fixed contact, the magnet coil III of relay III（L3）The one indoor check signal receiver of termination（JS）, other end ground connection, relay Ⅲ（J3）Detection module is taken by section（GZJC）It is connected with computer system；The relay tripper（05）Including relay I（J1）With relay II（J2）, relay I（J1）Magnet coil Ⅰ（L1）The one indoor train signal receiver I of termination（NC1）, other end ground connection；Relay II（J2）Magnet coil II（L2）One Train signal receiver II in terminating room（NC2）, other end ground connection；The relay switch I of relay I（K1）With relay II Relay switch II（K2）It is serially connected in the terminal B of induction loop and indoor check signal receiver（JS）Between；The cab signal transmitter I（CF1）, cab signal transmitter II（CF2）, indoor check sender unit（FS）, room Interior check signal receiver（JS）, indoor train signal receiver I（NC1）Indoor train signal receiver II（NC2）Use SX1278 wireless modules, and be connected respectively by RS485 serial communication bus with computer system；The indoor check sender unit（FS）The RS485A ends of SX1278 wireless modules pass through relay tripper （05）Relay switch I（K1）With relay switch II（K2）Connect the terminal B of induction loop, its RS232 termination computers System；Indoor check signal receiver（JS）SX1278 wireless modules RS485A ends connection induction loop terminal A, its RS485B ends jointing takes detection circuit（04）Relay III（J3）Magnet coil III（L3）, its RS232 termination meters Calculation machine system；Indoor train signal receiver I（NC1）SX1278 wireless modules RS485A ends connection induction loop terminal A, its RS485B ends connect the relay I of relay tripper（J1）Magnet coil I（L1）, its RS232 termination computer systems；Indoor train signal receiver II（NC2）SX1278 wireless modules RS485A ends connection induction loop terminal A, its RS485B ends connect the relay II of relay tripper（J2）Magnet coil II（L2）, RS232 termination computer systems；The section takes detection module（GZJC）By the switching signal of relay III being converted into based on data signal is sent to Calculation machine system, section take indicating circuit（ZS）Seizure condition for display block track；The cab signal transmitter I（CF1）For sending the signal of train head's injection section, cab signal transmitter Ⅱ（CF2）For sending the signal of train tailstock injection section；The indoor check sender unit（FS）Show whether loop wire section completely checks signal for sending；The indoor check signal receiver（JS）The inspection signal sent for checking sender unit in receiving chamber, and according to Check that the state control zone of signal takes the working condition of detection circuit；The indoor train signal receiver I（NC1）Cab signal transmitter I during for receiving train head's injection section （CF1）The signal of transmission, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter （FS）Connection；The indoor train signal receiver II（NC2）Cab signal transmitter during for receiving train tailstock injection section Ⅱ（CF2）The signal of transmission, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter （FS）Connection；The effect of the computer system：First, signal receiver is checked in receiving chamber（JS）Inspection signal；Second, detection and the indoor check sender unit of display（FS）, section take detection circuit（04）And indoor train signal Receiver I（NC1）With indoor train signal receiver II（NC2）Working condition；Detector segments take detection circuit（04）During working condition：Relay III is detected when section takes detection module（J3）'s Relay switch III（K3）Code 1 is sent to computer system when picking up, section takes indicating circuit（ZS）Disconnect, department of computer science Display screen corresponding line of uniting shows green color band, indicates that no car takes；Relay III is detected when section takes detection module （J3）Relay switch III（K3）Code 0 is sent to computer system when falling, section takes indicating circuit and connected, computer System display corresponding line shows red light bands, indicates car occupancy.
- 2. the track traffic location simulation system based on induction loop as claimed in claim 1, it is characterised in that：The SX1278 wireless modules are to have both the multi-channel wireless module for receiving and sending, wherein：Indoor check sender unit（FS）With indoor check signal receiver（JS）Using channel 1, indoor train signal receives Device I（NC1）With cab signal transmitter I（CF1）Using channel 3, indoor train signal receiver II（NC2）Sent out with cab signal Send device II（CF2）Using channel 5；The computer system configurations are：Not less than 32 bit processors, internal memory is not less than 2GB, and internal memory is not less than 40G.
- A kind of 3. track traffic location simulation demenstration method based on induction loop, it is characterised in that：It is to utilize claim 2 institute The method that a kind of track traffic location simulation system based on induction loop stated carries out simulation demo, comprises the following steps：When S1 track sections are without car：Indoor train signal receiver I（NC1）II is connect with indoor train signal（NC2）Do not connect Receive signal, indoor check signal receiver（JS）Receive indoor check sender unit（FS）What is sent shows that loop wire section is complete Whole inspection signal, drive section take the relay III of detection circuit（J3）Action, relay switch III（K3）Pick up, section Take indicating circuit to disconnect, computer system display screen corresponding line shows green color band, shows track section without train occupation；During S2 headstock injection sections：Indoor train signal receiver（NC1）Receive cab signal transmitter I（CF1）Pass through Transmission antenna I（CFT1）The signal of transmission, relay I (J1) action of driving relay tripper, relay switch I（K1） Disconnection is picked up, so as to check transmitter in disconnection chamber（FS）With the connection of the terminal B of induction loop, section take detection circuit it Relay III（J3）Loss of excitation, relay switch III（K3）Fall, connect section and take indicating circuit, computer system display screen pair Answer circuit to show red light bands, represent that track section has train occupation；During S3 tailstock injection sections：Now train head and the tailstock are respectively positioned in track section, indoor train signal receiver（NC1）Receive cab signal hair Send device I（CF1）Pass through transmission antenna I（CFT1）The signal of transmission, relay I (J1) action of driving relay tripper, Relay switch I（K1）Pick up disconnection, and indoor train signal receiver II（NC2）Receive cab signal transmitter II simultaneously （CF2）Pass through transmission antenna II（CFT2）The signal of transmission, relay II (J2) action of driving relay tripper, relay Device switch II（K2）Disconnection is picked up, makes indoor check transmitter（FS）Connection with the terminal B of induction loop remains off, Section takes the relay III of detection circuit（J3）Loss of excitation, relay switch III（K3）Continue to keep full state, section takes Indicating circuit continues to turn on, and computer system display screen corresponding line shows red light bands, represents that train still takes the track Section；When S4 headstocks go out clear track section：Indoor train signal receiver（NC1）It can not receive cab signal transmitter I（CF1）Hair The signal sent, relay I (J1) loss of excitation of relay tripper, its relay switch I（K1）Fall, encouraged when going out clear for train Magnetic relay III（J3）Prepare, and now indoor train signal receiver（NC2）Remain to receive cab signal transmitter II （CF2）The signal of transmission, relay II (J2) action of relay tripper, relay switch II（K2）Continue holding to pick up Off-state, make indoor check transmitter（FS）Connection with the terminal B of induction loop continues to remain off, and section takes Detect the relay III of circuit（J3）Loss of excitation, relay switch III（K3）Continue to keep full state, section takes indicating circuit Continue to remain up, computer system display screen corresponding line shows red light bands, represents that train still takes the track section；When the S5 tailstock goes out this clear section：Indoor train signal receiver I（NC1）II is connect with indoor train signal（NC2）Do not have Receive signal, indoor check signal receiver（JS）Receive indoor check sender unit（FS）The inspection signal of transmission, table Bright loop wire section is complete, the relay I (J1) and relay II (J2) all losss of excitation of relay tripper, relay switch I （K1）With relay switch II（K2）Fall and connect indoor check transmitter（FS）With the connection of the terminal B of induction loop, and Drive section takes the relay III of detection circuit（J3）Action, relay switch III（K3）Pick up, disconnect section and take instruction Circuit, computer system display screen corresponding line show green color band, represent track section without train occupation.
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