CN112319555A - Device for assisting motor train unit to confirm relative position with platform - Google Patents
Device for assisting motor train unit to confirm relative position with platform Download PDFInfo
- Publication number
- CN112319555A CN112319555A CN202011004250.4A CN202011004250A CN112319555A CN 112319555 A CN112319555 A CN 112319555A CN 202011004250 A CN202011004250 A CN 202011004250A CN 112319555 A CN112319555 A CN 112319555A
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- pin
- coil
- operational amplifier
- gnd
- power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a device for assisting a motor train unit to confirm the relative position with a platform, which comprises a magnet, a first coil, a second coil, a first signal conditioning circuit board and a second signal conditioning circuit board, wherein the magnet is arranged on the first coil; the first coil is connected with the first signal conditioning circuit board; the second coil is connected with the second signal conditioning circuit board; the signal output ports of the two signal conditioning boards are connected with a train control center. When the motor train unit enters the station, the coil can induce instantaneous voltage, the instantaneous voltage is amplified and compared to form pulses, the pulses are output to the train control center, the train control center counts the pulses, the relative position of the motor train unit and the station is calculated according to the pulse number multiplied by the magnet distance, position information feedback is provided for the motor train unit in the process of realizing automatic parking, and the motor train unit is parked more accurately.
Description
Technical Field
The invention belongs to the technical field of motor train units, and particularly relates to a device for assisting a motor train unit to confirm a relative position with a platform.
Background
At present, the stop in the station of the high-speed motor train unit is realized by manually adjusting the brake level by a driver according to the driving experience. The time consumed for parking and the parking position are determined by the operation of a driver, so that the rapid and accurate parking can not be realized, and the train operation efficiency is reduced. The method has important practical significance in researching automatic parking control of the high-speed motor train unit and improving the train running efficiency and parking accuracy. A necessary condition for automatic and accurate parking of the motor train unit is that the relative position of the motor train unit and the platform can be known, the position of the motor train unit is known, and the motor train unit can be automatically and accurately parked by combining a control algorithm.
Disclosure of Invention
The invention aims to provide a device for assisting a motor train unit to confirm a relative position with a platform, which can assist the motor train unit to confirm the relative position with the platform, provide position information feedback for the motor train unit to realize automatic parking process, and enable the motor train unit to park more accurately.
The purpose of the invention is realized as follows:
a device for assisting a motor train unit to confirm the relative position with a platform is characterized in that: the magnetic control circuit comprises a magnet, a first coil, a second coil, a first signal conditioning circuit board and a second signal conditioning circuit board; the first coil is connected with the first signal conditioning circuit board; the second coil is connected with the second signal conditioning circuit board; the signal output ports of the two signal conditioning boards are connected with a train control center.
The magnet of the invention is arranged between two rails of a track inside a platform, the distance between the two magnets is 50 meters, and the magnet is arranged from the starting point of the platform to the end point of the platform.
A first coil is arranged at the bottom of a bogie right below a first cab of the motor train unit, and a second coil is arranged at the bottom of the bogie right below a second cab of the motor train unit.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic view of the magnet mounting of the present invention;
FIG. 3 is a schematic view of the installation of the coil of the present invention;
FIG. 4 is a first signal conditioning circuit of the present invention;
FIG. 5 is a second signal conditioning circuit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
A device for assisting a motor train unit to confirm the relative position with a platform is characterized in that: the device comprises a magnet 1, a first coil 2, a second coil 3, a first signal conditioning circuit board 4 and a second signal conditioning circuit board 5; the first coil 2 is connected with the first signal conditioning circuit board 4; the second coil 3 is connected with a second signal conditioning circuit board 5; the signal output ports of the two signal conditioning boards are connected with a train control center.
The magnet 1 of the invention is arranged between two rails of a track inside a platform, the distance between the two magnets 1 is 50 meters, and the magnet 1 is arranged from the starting point of the platform to the end point of the platform.
A first coil 2 is arranged at the bottom of a bogie right below a first cab of the motor train unit, and a second coil 3 is arranged at the bottom of the bogie right below a second cab of the motor train unit.
The circuit of the first signal conditioning circuit board 4 of the invention is composed of a first operational amplifier U1 LM358, a first comparator U3 LM393, a first potentiometer R7, a first coil X1 and a 1-3 resistor: R1-R3, wherein 4 pins of a first operational amplifier U1 are connected with GND of a power supply, 8 pins of the first operational amplifier U1 are connected with VCC of the power supply, a second resistor R2 is connected in series between 2 pins of a first operational amplifier U1 and GND of the power supply, a third resistor R3 is connected in series between 1 pin of the first operational amplifier U1 and 2 pins of a first operational amplifier U1, 1 pin of the first operational amplifier U1 is connected with 3 pins of a first comparator U3, a first coil X1 and a first resistor R1 are connected in series between 3 pins of a first operational amplifier U1 and GND of the power supply, a second coil X2 and a thirteenth resistor R13 are connected in series between 3 pins of the first operational amplifier U1 and GND of the power supply, 1 pin of a first potentiometer R7 is connected with the power supply, 2 pin VCC of the first potentiometer R7 is connected with GND of the first operational amplifier U3, potential of the first potentiometer 1 is connected with GND of the first comparator U3, the pin 4 of the first comparator U3 is connected with GND of a power supply, the pin 8 of the first comparator U3 is connected with VCC of the power supply, and the pin 1 of the first comparator U3 is connected with a control center of a train.
The circuit of the second signal conditioning circuit board 5 of the invention is composed of a second operation method amplifier U2 LM358, a second comparator U4 LM393, a second potentiometer R8, a second coil X2 and a 4 th-6 th resistor: R4-R6, the 4-pin of the second operational amplifier U2 is connected with GND of the power supply, the 8-pin of the second operational amplifier U2 is connected with VCC of the power supply, the fifth resistor R5 is connected in series between the 2-pin of the second operational amplifier U2 and GND of the power supply, the sixth resistor R6 is connected in series between the 1-pin of the second operational amplifier U2 and the 2-pin of the second operational amplifier U2, the 1-pin of the second operational amplifier U2 is connected with the 5-pin of the second comparator U4, the second coil X2 and the fourth resistor R4 are connected in series between the 3-pin of the second operational amplifier U2 and GND of the power supply, the 1-pin of the second potentiometer R8 is connected with the power supply, the 2-pin of the second potentiometer R8 is connected with the 6-pin of the second comparator U4, the 3-pin of the second potentiometer R8 is connected with the power supply, the VCC of the 4-pin of the second comparator U4 is connected with GND of the GND, the GND of the second comparator U4 is connected with the GND of the power, and a pin 7 of the second comparator U4 is connected with a train control center.
The working principle is as follows: the coil can induce voltage when passing through one magnet, the voltage is amplified by the amplifying chip and then output to the comparator, therefore, when passing through one magnet, the comparator outputs one pulse signal, the comparator outputs the pulse signal to the train control center, the train control center counts the pulse signal, and when passing through one magnet, the count is increased, so that the position of the motor train unit relative to the platform can be determined by multiplying the pulse number by the magnet distance, and when the motor train unit is actually controlled to stop, the set speed curve is corrected according to the position information of the motor train unit and the platform, so that accurate parking is realized.
Claims (5)
1. A device for assisting a motor train unit to confirm the relative position with a platform is characterized in that: the magnetic control circuit comprises a magnet, a first coil, a second coil, a first signal conditioning circuit board and a second signal conditioning circuit board; the first coil is connected with the first signal conditioning circuit board; the second coil is connected with the second signal conditioning circuit board; the signal output ports of the two signal conditioning boards are connected with a train control center.
2. The device as claimed in claim 1, wherein the device for assisting the motor train unit to confirm the position relative to the train platform comprises: the magnet is installed between two rails of the track inside the platform, the distance between the two magnets is 50 meters, and the magnet is installed from the starting point of the platform to the final point of the platform.
3. The device as claimed in claim 1, wherein the device for assisting the motor train unit to confirm the position relative to the train platform comprises: the first coil is installed at the bottom of a bogie right below a first cab of the motor train unit, and the second coil is installed at the bottom of a bogie right below a second cab of the motor train unit.
4. The device as claimed in claim 1, wherein the device for assisting the motor train unit to confirm the position relative to the train platform comprises: the circuit of the first signal conditioning circuit board is composed of a first operational amplifier U1 LM358, a first comparator U3 LM393, a first potentiometer R7, a first coil X1 and a 1-3 resistor: R1-R3, wherein 4 pins of a first operational amplifier U1 are connected with GND of a power supply, 8 pins of the first operational amplifier U1 are connected with VCC of the power supply, a second resistor R2 is connected in series between 2 pins of a first operational amplifier U1 and GND of the power supply, a third resistor R3 is connected in series between 1 pin of the first operational amplifier U1 and 2 pins of a first operational amplifier U1, 1 pin of the first operational amplifier U1 is connected with 3 pins of a first comparator U3, a first coil X1 and a first resistor R1 are connected in series between 3 pins of a first operational amplifier U1 and GND of the power supply, a second coil X2 and a thirteenth resistor R13 are connected in series between 3 pins of the first operational amplifier U1 and GND of the power supply, 1 pin of a first potentiometer R7 is connected with the power supply, 2 pin VCC of the first potentiometer R7 is connected with GND of the first operational amplifier U3, potential of the first potentiometer 1 is connected with GND of the first comparator U3, the pin 4 of the first comparator U3 is connected with GND of a power supply, the pin 8 of the first comparator U3 is connected with VCC of the power supply, and the pin 1 of the first comparator U3 is connected with a control center of a train.
5. The device as claimed in claim 1, wherein the device for assisting the motor train unit to confirm the position relative to the train platform comprises: the circuit of the second signal conditioning circuit board is composed of a second operational amplifier U2 LM358, a second comparator U4 LM393, a second potentiometer R8, a second coil X2 and a 4-6 resistor: R4-R6, the 4-pin of the second operational amplifier U2 is connected with GND of the power supply, the 8-pin of the second operational amplifier U2 is connected with VCC of the power supply, the fifth resistor R5 is connected in series between the 2-pin of the second operational amplifier U2 and GND of the power supply, the sixth resistor R6 is connected in series between the 1-pin of the second operational amplifier U2 and the 2-pin of the second operational amplifier U2, the 1-pin of the second operational amplifier U2 is connected with the 5-pin of the second comparator U4, the second coil X2 and the fourth resistor R4 are connected in series between the 3-pin of the second operational amplifier U2 and GND of the power supply, the 1-pin of the second potentiometer R8 is connected with the power supply, the 2-pin of the second potentiometer R8 is connected with the 6-pin of the second comparator U4, the 3-pin of the second potentiometer R8 is connected with the power supply, the VCC of the 4-pin of the second comparator U4 is connected with GND of the GND, the GND of the second comparator U4 is connected with the GND of the power, and a pin 7 of the second comparator U4 is connected with a train control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004250.4A CN112319555A (en) | 2020-09-22 | 2020-09-22 | Device for assisting motor train unit to confirm relative position with platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004250.4A CN112319555A (en) | 2020-09-22 | 2020-09-22 | Device for assisting motor train unit to confirm relative position with platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112319555A true CN112319555A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011004250.4A Pending CN112319555A (en) | 2020-09-22 | 2020-09-22 | Device for assisting motor train unit to confirm relative position with platform |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797927A (en) * | 2010-04-20 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Non-contact rail traffic speed-measurement and positioning method based on sleeper detection and device thereof |
| CN202022221U (en) * | 2011-04-08 | 2011-11-02 | 南京工程学院 | RFID (radio frequency identification) assistant subway train position detection and precise parking system |
| CN106672025A (en) * | 2017-01-18 | 2017-05-17 | 湖南中车时代通信信号有限公司 | Method and system for detecting train positioning on basis of dynamic adjustment |
| CN108569311A (en) * | 2017-03-08 | 2018-09-25 | 华东交通大学 | A kind of EMU platform side identification device of line of induction ring type |
| CN108791313A (en) * | 2018-06-08 | 2018-11-13 | 中铁第四勘察设计院集团有限公司 | A kind of intelligence rail train bottom intelligent parking system and method |
| CN109955867A (en) * | 2017-12-14 | 2019-07-02 | 邱观群 | A kind of method of determining EMU and platform relative position |
| CN110718162A (en) * | 2018-07-12 | 2020-01-21 | 中车株洲电力机车研究所有限公司 | Train carriage position indicating system |
-
2020
- 2020-09-22 CN CN202011004250.4A patent/CN112319555A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797927A (en) * | 2010-04-20 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Non-contact rail traffic speed-measurement and positioning method based on sleeper detection and device thereof |
| CN202022221U (en) * | 2011-04-08 | 2011-11-02 | 南京工程学院 | RFID (radio frequency identification) assistant subway train position detection and precise parking system |
| CN106672025A (en) * | 2017-01-18 | 2017-05-17 | 湖南中车时代通信信号有限公司 | Method and system for detecting train positioning on basis of dynamic adjustment |
| CN108569311A (en) * | 2017-03-08 | 2018-09-25 | 华东交通大学 | A kind of EMU platform side identification device of line of induction ring type |
| CN109955867A (en) * | 2017-12-14 | 2019-07-02 | 邱观群 | A kind of method of determining EMU and platform relative position |
| CN108791313A (en) * | 2018-06-08 | 2018-11-13 | 中铁第四勘察设计院集团有限公司 | A kind of intelligence rail train bottom intelligent parking system and method |
| CN110718162A (en) * | 2018-07-12 | 2020-01-21 | 中车株洲电力机车研究所有限公司 | Train carriage position indicating system |
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Application publication date: 20210205 |