CN112519808A - Tunnel electric locomotive control system - Google Patents
Tunnel electric locomotive control system Download PDFInfo
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- CN112519808A CN112519808A CN202011478615.7A CN202011478615A CN112519808A CN 112519808 A CN112519808 A CN 112519808A CN 202011478615 A CN202011478615 A CN 202011478615A CN 112519808 A CN112519808 A CN 112519808A
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- electric locomotive
- hmi
- human
- plc
- locomotive
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 102100037383 Gasdermin-B Human genes 0.000 description 1
- 101001026281 Homo sapiens Gasdermin-B Proteins 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of electric locomotive control, in particular to a tunnel electric locomotive control system, which comprises a Programmable Logic Controller (PLC), a frequency converter (VFD) and a human-machine operation interface (HMI), wherein the Programmable Logic Controller (PLC), the frequency converter (VFD) and the human-machine operation interface (HMI) are communicated by Ethernet to realize information transmission; the Programmable Logic Controller (PLC) communicates the functions and safety chain protection of the electric locomotive with a frequency converter (VFD) and a human-machine interface (HMI) through a pre-designed and compiled program, so that the aims of controlling the motor and monitoring various data of the motor are fulfilled. The invention can greatly improve the stability of the electric locomotive control system, can accurately position the fault by using the programmable logic controller, can save a great deal of time, effectively improves the progress of tunnel construction, and correspondingly improves the technology of developers.
Description
Technical Field
The invention relates to the technical field of electric locomotive control, in particular to a tunnel electric locomotive control system.
Background
Present tunnel electric locomotive mostly adopts relay control circuit, through carrying out external terminal control to converter (VFD) to the operation of control motor, its major defect is as follows:
1. the external wiring is more, and the circuit is easy to be messy, so that the whole control system has high failure rate and is extremely unstable;
2. because the line is messy, the fault handling is very difficult, and a large amount of time is often spent, so that the whole construction process is influenced;
3. the locomotive driver can not monitor various operation data of the motor in real time and master the operation condition of the whole locomotive, so that the locomotive has great danger.
Disclosure of Invention
In order to solve the problems, the invention provides a tunnel electric locomotive control system, which can greatly improve the stability of the electric locomotive control system, can accurately position faults by using a programmable logic controller, can save a great deal of time, effectively improves the progress of tunnel construction, and correspondingly improves the technology of developers.
In order to achieve the purpose, the invention adopts the technical scheme that:
the tunnel electric locomotive control system comprises a Programmable Logic Controller (PLC), a frequency converter (VFD) and a human-machine operation interface (HMI), wherein the information transmission among the PLC, the frequency converter (VFD) and the human-machine operation interface (HMI) is realized by adopting Ethernet communication; the Programmable Logic Controller (PLC) communicates the functions and safety chain protection of the electric locomotive with a frequency converter (VFD) and a human-machine interface (HMI) through a pre-designed and compiled program, so that the aims of controlling the motor and monitoring various data of the motor are fulfilled.
Furthermore, an alarm interface is arranged in a human-machine interface (HMI) for realizing the tracking and positioning of common faults of the locomotive and saving the troubleshooting time.
Furthermore, the Programmable Logic Controller (PLC) is used for realizing motor control and rapidly searching fault point positions, so that troubleshooting is carried out, and the construction process is effectively improved.
Furthermore, the human-machine interface (HMI) is used for monitoring the running speed, the output current of the motor, the output voltage, the output torque and the running frequency of the locomotive in real time, and can assist a locomotive driver to comprehensively master the running condition of the whole locomotive.
Furthermore, Ethernet communication is adopted between the PLC and the VFD and between the PLC and the HMI to realize information transmission.
The invention has the following beneficial effects:
1) the Programmable Logic Controller (PLC), the frequency converter (VFD) and the human-machine operation interface (HMI) can finish information transmission only by one communication line, thereby reducing external wiring, improving the stability of the system and reducing the fault rate of the system;
2) the stability of the electric locomotive control system can be greatly improved, the programmable logic controller can be used for accurately positioning faults, the time can be greatly saved, the progress of tunnel construction is effectively improved, and the technology of developers is correspondingly improved.
3) The human-machine interface (HMI) is used for monitoring the running speed, the motor output current, the output voltage, the output torque and the running frequency of the locomotive in real time, can assist a locomotive driver to comprehensively master the running condition of the whole locomotive, and improves the safety to a great extent.
Drawings
FIG. 1 shows the control system components
FIG. 2 is a parameter message structure of a PLC read-write frequency converter
Fig. 3 is a system initialization process.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, a tunnel electric locomotive control system according to an embodiment of the present invention mainly includes four parts: the intelligent electric locomotive safety interlocking protection system comprises an external control button, a Programmable Logic Controller (PLC), a frequency converter (VFD) and a human-machine operation interface (HMI), wherein information transmission among the PLC, the VFD and the human-machine operation interface (HMI) is completed by adopting Ethernet communication, the PLC communicates the functions and safety interlocking protection of the electric locomotive with the frequency converter and the human-machine interface of external intelligent equipment through a program which is designed and compiled in advance, so that the purposes of controlling the motor and monitoring various data of the motor are achieved, and the external button is used for a user to operate the electric locomotive; a Programmable Logic Controller (PLC) is a control center of the electric locomotive and is used for realizing motor control and quickly searching fault point positions; the frequency converter (VFD) is used for receiving the command from the PLC and controlling the motor to operate; and the human-machine interface (HMI) is used for monitoring the running speed, the motor output current, the output voltage, the output torque and the running frequency of the locomotive in real time and displaying the running speed, the motor output current, the output voltage, the output torque and the running frequency in real time.
The programming software adopted by the invention is as follows: STEP 7-MicroWIN SMART V2.5 (programmable logic controller programming software); WinCC flexible SMART V3 (human machine interface programming software).
The hardware equipment adopted by the invention is as follows: programmable Logic Controller (PLC): a CPU SR 60; frequency converter (VFD): INVT GD 35-400; human Machine Interface (HMI): SMART 700 IE V3.
1. The communication between a Programmable Logic Controller (PLC) and a frequency converter (VFD) is established:
1) adding a frequency converter GSDML file by using STEP 7-MicroWIN SMART V2.5;
2) adopting STEP 7-MicroWIN SMART V2.5 to establish a profinet communication protocol:
the profinet communication guide in the programming software STEP 7-MicroWIN SMART V2.5 is opened, the CPU SR60 is set as a controller, and the communication IP address is set as: 192.168.2.1, subnet mask is: 255.255.255.0, station name: sr60, configuring an INVT frequency converter, adding sub-modules, allocating I/O initial addresses and lengths, generating after configuration is finished, and completing the establishment of a profinet communication protocol;
2. programming a control procedure of the battery car:
control programs such as start-stop, running direction and running speed of the motor are compiled by using STEP 7-MicroWIN SMART V2.5, and parameter messages of the PLC read-write frequency converter are compiled, wherein the message structure is shown in figure 2.
3. Adopt WinCC flexible SMART V3 to make human-machine interface (HMI)
1) Setting a variable table;
2) setting alarm information;
3) compiling a control main interface;
4) setting variable attributes;
system operation flow
System initialization
The system is powered on to initialize each external pin, communication identification is established among the PLC, the VFD and the HMI, initial conditions of system operation are detected, detection results are fed back to the HMI, and after all the conditions are met, the system is in a pre-starting state and waits for further operation of a user.
Operation process of electric locomotive
A. Starting up
1. And checking whether barriers or cushion blocks exist in front of and behind the electric locomotive.
2. And (5) closing the 630A power switch, observing whether the electric locomotive frequency converter is normal or not, and keeping in a standby working state (the display screen flickers by 0.0).
3. And (4) turning on a key switch, and after the PLC and the analog quantity module are normally started, starting automatic inflation of the air compressor until the pressure reaches the set shutdown pressure of the system, and stopping. In the process, if the air compressor is not automatically inflated, a control system of the air compressor needs to be checked; and if the air compressor does not automatically stop inflating, checking whether a manual switch of the air compressor is in an open position or not.
4. And after the air compressor finishes inflating, checking whether the pressure of the air path reaches a starting condition or not.
5. The locomotive running direction controller is set to a forward or backward position (according to the running direction of the electric locomotive).
6. The air brake valve is shifted to a release position, and the brake is opened.
7. A horn is sounded to alert personnel working on the track.
8. The hand wheel of the driver speed controller is rotated at a constant speed, and the electric locomotive is started.
B. Operation of
1. When the electric locomotive normally runs, the speed is between 0 and 11Km, the minimum radius of a locomotive running track is equal to 25m at a curve, and the speed of the locomotive does not exceed 8 Km/h. At the turnout, the speed of the locomotive does not exceed 4 km/h.
2. When the locomotive runs, a front obstacle is present, the locomotive should sound a horn and decelerate, and if the obstacle cannot be removed in time, the locomotive should implement emergency braking.
3. Under the condition that the illumination intensity is not enough and the vision is fuzzy, a driver of the electric locomotive needs to turn on the front and back lights without turning on the top light if not needed.
4. Matters of runtime attention
a. The driver is required to pay attention to the situation at the front and rear sides when driving the locomotive, and various instruments and display lamps on the console.
b. Since the wires are burnt and the shaft and bearing are heated to generate peculiar smell, special attention is paid to any abnormal sound and smell, if the abnormal sound and smell exist, the vehicle is stopped for processing in time, and the relevant responsible person is reported.
c. During operation of the locomotive, if the locomotive needs to be temporarily stopped, the brake air valve must be placed in a braking position.
C. Braking device
1. The braking modes of the electric locomotive are three types: air brake valve braking, electric braking, emergency braking.
2. Stopping the vehicle in normal operation, and braking by using an air brake valve; in case of emergency, electric braking and emergency braking may be used.
3. Principles and methods of use regarding electric brake buttons: in order to prevent the electric locomotive from sliding under the conditions of heavy load and heavy gradient, a short braking blind area can be generated when air braking is carried out during braking or starting alternation, an electric braking button is designed, the sliding phenomenon is avoided, and the effect is very obvious.
D. Attention-required items when the driver leaves the vehicle
a. The handle of the air brake valve is arranged at the brake position
b. Switch for turning off key
c. Switch off main power switch
Note: if the driver leaves the locomotive after changing shifts, the shift log must be carefully filled.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (4)
1. Tunnel electric locomotive control system, its characterized in that: the system comprises a Programmable Logic Controller (PLC), a frequency converter (VFD) and a human-machine operation interface (HMI), wherein the PLC, the frequency converter (VFD) and the human-machine operation interface (HMI) realize information transmission by adopting Ethernet communication; the Programmable Logic Controller (PLC) communicates the functions and safety chain protection of the electric locomotive with a frequency converter (VFD) and a human-machine interface (HMI) through a pre-designed and compiled program, so that the aims of controlling the motor and monitoring various data of the motor are fulfilled.
2. The tunnel electric locomotive control system of claim 1, wherein: an alarm interface is arranged in a human-machine interface (HMI) and is used for realizing the tracking and positioning of common faults of the locomotive.
3. The tunnel electric locomotive control system of claim 1, wherein: and the Programmable Logic Controller (PLC) is used for realizing motor control and quickly searching fault point positions.
4. The tunnel electric locomotive control system of claim 1, wherein: the human-machine interface (HMI) is used for monitoring the running speed, the output current of the motor, the output voltage, the output torque and the running frequency of the locomotive in real time, and can assist a locomotive driver to comprehensively master the running condition of the whole locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011478615.7A CN112519808A (en) | 2020-12-15 | 2020-12-15 | Tunnel electric locomotive control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011478615.7A CN112519808A (en) | 2020-12-15 | 2020-12-15 | Tunnel electric locomotive control system |
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| Publication Number | Publication Date |
|---|---|
| CN112519808A true CN112519808A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011478615.7A Pending CN112519808A (en) | 2020-12-15 | 2020-12-15 | Tunnel electric locomotive control system |
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| Country | Link |
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| CN (1) | CN112519808A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202409919U (en) * | 2011-11-23 | 2012-09-05 | 上海连成（集团）有限公司 | Intelligent fire-fighting low-frequency inspection control cabinet |
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| CN106499404A (en) * | 2016-12-20 | 2017-03-15 | 北方重工集团有限公司 | A kind of compound shield cutter plate driver frequency-converting control device |
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| CN107894750A (en) * | 2017-10-18 | 2018-04-10 | 佛山华数机器人有限公司 | Fault detect and response method of a kind of robot application in lathe in machining |
| CN108263428A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | switch control system |
| CN109733423A (en) * | 2018-12-21 | 2019-05-10 | 湘电重型装备有限公司 | A kind of large-tonnage Tunnel Engineering heavy haul train electric control system |
| CN109814479A (en) * | 2019-01-15 | 2019-05-28 | 重庆艾博瑞威轨道交通设备有限公司 | Tourist train control system |
-
2020
- 2020-12-15 CN CN202011478615.7A patent/CN112519808A/en active Pending
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|---|---|---|---|---|
| CN202409919U (en) * | 2011-11-23 | 2012-09-05 | 上海连成（集团）有限公司 | Intelligent fire-fighting low-frequency inspection control cabinet |
| CN202600428U (en) * | 2012-05-10 | 2012-12-12 | 乐星产电（大连）有限公司 | Intelligent control cabinet in communication with high-voltage frequency converter |
| CN202783207U (en) * | 2012-08-29 | 2013-03-13 | 杭州俊士铁路设备有限公司 | Control system for tourist trains |
| CN203012419U (en) * | 2012-12-11 | 2013-06-19 | 上海春日机械工业有限公司 | Cold heading equipment remote fault-monitoring system |
| US20170106888A1 (en) * | 2015-10-19 | 2017-04-20 | Electro-Motive Diesel, Inc. | Control system enabling remote locomotive configuration setting |
| CN106499404A (en) * | 2016-12-20 | 2017-03-15 | 北方重工集团有限公司 | A kind of compound shield cutter plate driver frequency-converting control device |
| CN108263428A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | switch control system |
| CN107168240A (en) * | 2017-07-13 | 2017-09-15 | 合肥引力波数据科技有限公司 | A kind of shield tunnel remote automatic control device |
| CN107894750A (en) * | 2017-10-18 | 2018-04-10 | 佛山华数机器人有限公司 | Fault detect and response method of a kind of robot application in lathe in machining |
| CN109733423A (en) * | 2018-12-21 | 2019-05-10 | 湘电重型装备有限公司 | A kind of large-tonnage Tunnel Engineering heavy haul train electric control system |
| CN109814479A (en) * | 2019-01-15 | 2019-05-28 | 重庆艾博瑞威轨道交通设备有限公司 | Tourist train control system |
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Application publication date: 20210319 |