CN104608796B - A kind of EMUs Axle Temperature Warning System and implementation method - Google Patents
A kind of EMUs Axle Temperature Warning System and implementation method Download PDFInfo
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- CN104608796B CN104608796B CN201510052363.4A CN201510052363A CN104608796B CN 104608796 B CN104608796 B CN 104608796B CN 201510052363 A CN201510052363 A CN 201510052363A CN 104608796 B CN104608796 B CN 104608796B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
- B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles
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Abstract
A kind of EMUs Axle Temperature Warning System and implementation method, belong to EMUs control technology field, contain following steps：Central processing unit collection is connected by RS485 buses with temperature collect module, obtain the temperature information of measured position PT100 sensors, by inter-process by electric current loop or MVB interface output transducer working conditions and temperature information, pass through I/O port output switch amount alarm signal；The data storage of record is dumped to and stored in NAND Flash setting the ferroelectric memory blank space of size, 128K to be achieved simultaneously, the integrality of data can be so effectively improved and extend NAND Flash service lifes.The present invention is capable of the temperature information of Real-time Feedback measured position, increases controllable operability, and wrong report can be further prevented again, improves train security.
Description
Technical field
The present invention relates to a kind of EMUs Axle Temperature Warning System and implementation method, belong to EMUs control technology field.
Background technology
In EMUs originally, Axle Temperature Warning System is only a set of Fuse Type relay switch warning device, and it is being sentenced
Disconnected temperature exceedes after setting value by fuse wire, disconnects the output that supporting relay switch controls alarm signal, without
Detection display in real time and data record are carried out to temperature.During on-line operation, report by mistake often, and can not after failure generation
Reason is reviewed, often the operation of influence train.
With the fast development of China Express Railway, speed per hour is constantly improved, and the requirement to security has also reached preceding institute
The height not having, originally only axle box temperature is monitored can not meet the control to train safety, wherein to gear-box and
The measurement of motor is also more and more important.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the problems such as single existing axle reporting system function, wrong report is solved.This hair
It is bright to provide a kind of EMUs Axle Temperature Warning System and implementation method, the temperature information with real-time display measured position, simultaneously
Possess the Axle Temperature Warning System and implementation method of rigid line and network output alarm signal.
The technical proposal for solving the technical problem of the invention is：A kind of realization of the Axle Temperature Warning System shown in real time
Method, the technical way of use is the temperature change that measured position is detected by PT100 temperature sensors, by temperature signal
Electric signal transmission is converted to temperature collect module, is handled and is judged by the temperature information to collection, in real time output temperature
Spend the temperature information of sensor collection, and alarm signal.
A kind of EMUs bearing temperature alarm implementation method, contains following steps：
Central processing unit collection is connected by RS485 buses with temperature collect module, obtains measured position PT100
The temperature information of sensor, electric current loop or MVB interface output transducer working conditions and temperature are passed through by inter-process
Information, passes through I/O port output switch amount alarm signal.The data storage of record is being set into the ferroelectric memory of size simultaneously
Blank space, 128K to be achieved is dumped to and stored in NAND Flash, can so effectively improve integrality and the extension of data
NAND Flash service lifes.
A kind of EMUs Axle Temperature Warning System, including EMUs Axle Temperature Warning System structure include PT100 temperature sensors,
Temperature detecting unit and shielding line fixed strip；If including a temperature acquisition main frame and dry temperature sensor；
PT100 temperature sensors are used for feedback temperature information, and temperature detecting unit is responsible for information gathering, processing and output control
System；
Power subsystem is temperature collecting cell, analog controlling unit and communication control interface unit provide power supply；Temperature
The resistance value collected is converted into corresponding temperature information by collecting unit, and analog controlling unit is to temperature information processing and alarms
Judge, communication control interface unit is communicated with vehicle network, transmission temperature information and alarm signal.
Beneficial effects of the present invention are specific as follows：Temperature collect module temperature information of collection per second, and be transferred to
Temperature information is sent once to vehicle network after central processor, the complete data of processor dissection process, vehicle network monitor screen energy
The temperature information of enough collected positions of display in real time, at the same can Real-time Feedback go out warning message, vehicle network automatic retarding control
Car or prompting driver carry out associative operation.Wrong report algorithm is put to the temperature information data of collection according to stabilization to handle, can
Effective control train wrong report.
The present invention is capable of the temperature information of Real-time Feedback measured position, increases controllable operability, again can be further
Wrong report is prevented, train security is improved.
The present invention is directed to the supporting gear-box of the Mechanical Builds and sensor producer joint research and development of gear-box and motor and passed
Sensor and electromechanical transducer, it is consistent with axle box temperature sensor operation principle.It can be monitored in real time by temperature detecting unit
To the temperature of axle box, gear-box and motor correspondence position, alarmed when occurring unusual condition, so as to effectively ensure train
Driving safety.
Brief description of the drawings
The EMUs Axle Temperature Warning System operation principle schematic diagram of Fig. 1 present invention；
The EMUs Axle Temperature Warning System equipment connection diagram of Fig. 2 present invention；
The temperature detecting unit main frame connection diagram of Fig. 3 present invention；
The EMUs Axle Temperature Warning System theory diagram of Fig. 4 present invention；
The FB(flow block) of Fig. 5 present invention.
Embodiment
Embodiment 1：As shown in figure 1,
A kind of EMUs Axle Temperature Warning System, central processing unit be based on ARM Cortex-M4 kernels, 512KB flash memories and
128KRAM, with abundant hardware interface resources, and simulation, communication, timing and control ancillary equipment.
Central processing unit coordinates the non-volatile NAND Flash of serial bus port to deposit in addition to the RAM that itself has
Reservoir, and the serial MRAM ferroelectric memorys of SPI.Ferroelectric memory has no-delay, and more than 100 TFlops read/write, data are protected
It is 10 years, the good characteristic such as power failure data automatic protection to deposit the time.
The need for controlling, central processing unit draws the output port of digital quantity simultaneously, and driving relay is completed pair
Outside control.When central processing unit judges that shaft temperature sensor is alarmed, this port can export alarm switch amount signal,
Control automatic system.
Serial port is central processing unit standard port, for inside and outside data communication.Pass through RS485 EBI temperature
The temperature information of acquisition module and temperature sensor module；Communicated, exported with train TCMS by electric current loop or MVB interfaces
Sensor states, the output of sensor temperature information and alarm signal.
The need for due to O＆M service, central processing unit also provides Ethernet port, and central processing unit provide with
The too application at network MAC end, only needs to provide PHY application in periphery.System is equipped with hommization operating service software, leads to
Cross this Ethernet interface to be communicated with temperature detecting unit, data storage can be downloaded, managed, analyzed；Can be right
Alarm temperature, early warning temperature etc. are modified setting；Sensor pattern, the wiring standard of each Measurement channel can be configured；
Being capable of real-time monitoring system collecting temperature value and temperature curve.
Central processing unit is needed to set a standard time clock, and clock standard is provided for equipment when external clock is abnormal.
Embodiment 2：A kind of EMUs Axle Temperature Warning System, as shown in Figure 2；EMUs are divided into trailer 1 and dynamic by compartment
Power car 2.The connection temperature detecting unit 3 of axle box temperature sensor 4 in the system equipment of trailer 1；Axle in the system equipment of power car 2
Case temperature sensor 4, gearbox temperature sensor 5 and the connection temperature detecting unit 3 of motor temperature sensor 6；According to different cars
The corresponding trailer body of type is different with the number in power car compartment.
Often the measured position temperature information and sensor states that collect are transferred to pair by the temperature detecting unit in section compartment
That answers often saves the network control unit in compartment, can monitor the temperature of permutation car measured position in real time on the monitor screen of train network
Angle value and sensor states.
Embodiment 3：
As shown in Figure 3, power subsystem PPU provides power supply for each unit of temperature detecting unit main frame, and this power supply is used
DC100 turn DC24V input and output insulating power supply design, power supply support 66Vdc~154Vdc input voltages, with input undervoltage,
The functions such as overvoltage protection, output over-voltage protection, overcurrent protection, overheat protector and the anti-reverse protection of input.
Monolithic temperature collect module can gather No. 12 temperature sensors, and separate unit temperature detecting unit main frame supports collection 48
Road temperature sensor.2 lines and 3 line sensors are supported, PT100/PT1000 temperature sensors are supported.
Analog controlling unit is that the data of collection are carried out processing by CPU, on the one hand exports and gives vehicle net
Network, is on the one hand locally stored.
Temperature detecting unit includes power subsystem PPU, temperature collecting cell TDIU, analog controlling unit ACU, Communication Control
Interface unit CIB；Power subsystem PPU connection temperature collecting cells TDIU, analog controlling unit ACU and communication control interface unit
CIB；Temperature collecting cell TDIU connection analog controlling units ACU；Analog controlling unit ACU connecting communication control interface units
CIB。
Power subsystem PPU turns DC110V DC24V insulating power supply；Meet the experiment mark of railway line related EMC designs
It is accurate；Carry out reverse power connection, overvoltage and overcurrent protection；Meet the requirement of type approval test outline；
Temperature collecting cell TDIU temperature range：- 50 DEG C to 200 DEG C；The RTD modes of connection：2 lines or 3 line systems；Temperature point
Debate rate：1℃；Precision：± 0.05%；Sampling rate：10 sampled points/second；Input impedance：1.5MΩ；
Analog controlling unit ACU carries out the temperature information of processing collection, judges alarm condition, fault message, sensor event
Barrier；Data storage is recorded；Ethernet service interface all the way is provided；
Communication control interface unit CIB is communicated with vehicle network by electric current loop or MVB interfaces；No. 3 dry contacts are defeated
Go out；
Embodiment 4：A kind of EMUs Axle Temperature Warning System, temperature detecting unit main frame contour structures, using the 3U of cutting
Section chassis；Including temperature sensor, temperature collecting cell and shielding line fixed strip；
System control main frame connects train network by 20mA electric current loops or MVB interfaces, supports RS485 to communicate standby work(
Energy；
Temperature detecting unit main frame board order be arranged in order for：Analog controlling unit, communication control interface unit, temperature
Spend collecting unit, temperature collecting cell, temperature collecting cell, temperature collecting cell, power subsystem；
Temperature collecting cell uses DIN41612 connectors；
If being constituted including a temperature acquisition main frame and dry temperature sensor；
System hommization operating service software, can be downloaded to data storage, manages, analyze；Can be to alarm temperature
The settings of modifying such as degree, early warning temperature；Sensor pattern, the wiring standard of each Measurement channel can be configured；Can be real
When monitoring system collecting temperature value and temperature curve.
With the temperature collect module for supporting MODBUS communications protocol, the lines of PT100/PT1000 tri- or two line temperature can be gathered
Spend sensor；
The supporting different temperature sensor of the position different systems such as axle box, gear-box and motor according to collection；
A kind of EMUs bearing temperature alarm implementation method, in addition to stabilization false alarm prevention is devised according to actual data analysis
Stabilization process step；Stabilization process step is as follows：
The state of sensor can be first judged before temperature detection main frame exports early warning or alarm signal, if the shape of sensor
When state is failure or is abnormal, early warning or alarm signal are not exported；
Only sensor states are normal, and sensor temperature values are when being more than early warning value or alarming value continuous 60 times, judge simultaneously
The sensor is exported for early warning or alarm；
Short circuit sensor, open circuit, acquisition range transfinite and acquisition module is designated as sensor fault extremely；
Sensor abnormality judges：1 minute inner sensor rising edge temperature value maximum-minimum value>2 °~5 °；
During system electrification, sensor temperature values are more than the early-warning parameterses value set in ferroelectricity；
During system electrification, in same type of sensor, arbitrarily sensor temperature values and other road sensor temperature values are one by one all the way
Compare, difference>15 DEG C and number>2.
System control main frame has high density data record function, and collection position moment can be analyzed when occurring accident
Temperature rise process；
Control main frame turns the design of DC24V input and output insulating power supply using DC100, and power supply supports that 66Vdc~154Vdc is defeated
Enter voltage, with input undervoltage, overvoltage protection, output over-voltage protection, overcurrent protection, overheat protector and the anti-reverse protection of input
Etc. function；
System has the log recording functions such as communication failure, system start-up time, initialization operation；
Network data signals early warning and alarming function and hardwire switch amount signal early warning and alarming function are supported simultaneously；
As user gathers the demand support extended temperature acquisition module that sensor increases, current separate unit control main frame is supported
Gather 48 road temperature acquisition sensors；
With Ethernet service interface, the functions such as data download, systematic parameter configuration and monitoring system working condition are supported.
Embodiment 5：As shown in figure 5, a kind of implementation method of EMUs Axle Temperature Warning System, contains following steps；
Step 100, PT100 temperature sensors are arranged on to the axle box for requiring detection, the gear-box position such as motor,
The resistance value of PT100 temperature sensors can change with the conversion of temperature, so as to reflect the temperature of measured position
Situation.
Step 101, the temperature for the boundary line mode input temp detection unit that the resistance of PT100 resistance is passed through into three-wire system are adopted
Collect the acquisition channel of module, temperature acquisition sends constant current source signal to corresponding acquisition channel, handled by comparison circuit, removed
The influence of circuit resistance, calculates corresponding voltage signal, working condition of the reconvert into corresponding temperature information and sensor
Information transfers data to the central processing unit of temperature detecting unit by MODBUS agreements.
Step 102, the CPU ACU parts of temperature detecting unit collect progress analysis judgement after data, right
Interference signal carries out stabilization processing, the alarm condition of correspondence position is judged according to solidification algorithm, while to sensor states, adopting
Temperature information, communication state and important operation of collection etc. carry out data record.
Transmission point hardwire interface and the network interface of step 103, information, can be with output control braking system by hardwire interface
The alarm switch amount signal of system, can be with output transducer working condition, temperature information by electric current loop or MVB interface networks interface
And early warning and alarming signal.It can realize that data are downloaded by ethernet network interface simultaneously, system configuration and operation maintenance
Etc. function.
As described above, being explained to embodiments of the invention, as long as but essentially without this hair of disengaging
Bright inventive point and effect can have many deformations, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (6)
1. a kind of EMUs bearing temperature alarm implementation method, it is characterised in that contain following steps：
Central processing unit collection is connected by RS485 buses with temperature collect module, is obtained measured position PT100 temperature and is passed
The temperature information of sensor, is believed by inter-process by electric current loop or MVB interface output transducer working conditions and temperature
Breath, passes through I/O port output switch amount alarm signal；It is simultaneously that the data storage of record is empty in the ferroelectric memory for setting size
White place, 128K to be achieved is dumped to and stored in NAND Flash；
Contain following steps：
Step 100, by PT100 temperature sensors be arranged on require detection axle box, gear-box and motor position, PT100 temperature
The resistance value of sensor can change with the conversion of temperature, so as to reflect the temperature regime of measured position；
Step 101, mode of connection input temp detection unit that the resistance of PT100 temperature sensors is passed through into three-wire system
The acquisition channel of temperature collect module, the corresponding acquisition channel of temperature collect module sends constant current source signal, passes through comparison circuit
Processing, removes the influence of circuit resistance, calculates corresponding voltage signal, and reconvert is into corresponding temperature information and sensor
Work state information transfers data to central processing unit by MODBUS agreements；
Step 102, the analog controlling unit part of central processing unit collect progress analysis judgement after data, and interference signal is entered
The processing of row stabilization, the alarm condition of correspondence position is judged according to solidification algorithm, while the temperature to sensor states, collection is believed
Breath, communication state and important operation carry out data record；
Transmission point hardwire interface and the network interface of step 103, information, can be with output control brakes by hardwire interface
Alarm switch amount signal, can be with output transducer working condition, temperature information and early warning by electric current loop or MVB network interfaces
Alarm signal；Data download, system configuration and operation maintenance function can be realized by ethernet network interface simultaneously；
The stabilization processing of step 102 contains following steps：
The state of sensor can be first judged before temperature detection main frame exports early warning or alarm signal, if the state of sensor is
When failure or exception, early warning or alarm signal are not exported；
Only sensor states are normal, and sensor temperature values are when being more than early warning value or alarming value continuous 60 times, judge and export
The sensor is early warning or alarm；
Short circuit sensor, open circuit, acquisition range transfinite and acquisition module is designated as sensor fault extremely；
Sensor abnormality judges：Motor stator sensor rising edge temperature value maximum-minimum value in 1 minute>5℃；Non- motor
Stator sensor rising edge temperature value maximum-minimum value>2℃；
During system electrification, sensor temperature values are more than the early-warning parameterses value set in ferroelectric memory；
During system electrification, in same type of sensor, arbitrarily sensor temperature values are compared one by one with other road sensor temperature values all the way,
Difference>15 DEG C and number>2.
2. a kind of EMUs Axle Temperature Warning System of EMUs bearing temperature alarm implementation method, its feature described in usage right requirement 1
It is to include PT100 temperature sensors, temperature detecting unit and shielding line fixed strip；
PT100 temperature sensors are used for feedback temperature information, and temperature detecting unit is responsible for information gathering, processing and output control；
Temperature detecting unit includes power subsystem, temperature collecting cell, analog controlling unit, communication control interface unit;Power supply
Unit connection temperature collecting cell, analog controlling unit and communication control interface unit；Temperature collecting cell connection simulation control
Unit；Analog controlling unit connecting communication control interface unit；
Power subsystem is temperature collecting cell, analog controlling unit and communication control interface unit provide power supply；Temperature acquisition
The resistance value collected is converted into corresponding temperature information by unit, and analog controlling unit is sentenced to temperature information processing and alarm
Disconnected, communication control interface unit is communicated with vehicle network, transmits temperature information and alarm signal.
3. a kind of EMUs Axle Temperature Warning System according to claim 2, it is characterised in that outside temperature detecting unit main frame
Shape structure, using the 3U section chassis of cutting;
Temperature detecting unit includes temperature collecting cell and shielding line fixed strip;
System control main frame connects train network by 20mA electric current loops or MVB interfaces, supports RS485 communication standby functions;
Temperature detecting unit main frame board order be arranged in order for：Analog controlling unit, communication control interface unit, the first temperature
Spend collecting unit, second temperature collecting unit, the 3rd temperature collecting cell, the 4th temperature collecting cell, power subsystem;
Temperature collecting cell uses DIN41612 connectors;
If Axle Temperature Warning System includes a temperature acquisition main frame and dry temperature sensor;
System hommization operating service software, can be downloaded to data storage, manages, analyze；Can be to alarm temperature, pre-
Alert temperature is modified setting；Sensor pattern, the wiring standard of each Measurement channel can be configured；It can in real time monitor and be
Collecting temperature value of uniting and temperature curve.
4. a kind of EMUs Axle Temperature Warning System according to claim 3, it is characterised in that communicated with MODBUS is supported
The temperature collect module of agreement, can gather the lines of PT100/PT1000 tri- or two line temperature sensors;
According to the axle box of collection, gear-box and the supporting different temperature sensor of motor position different system;
System control main frame has high density data record function, and the temperature rise of collection position moment can be analyzed when occurring accident
Process;
Control main frame turns the design of DC24V input and output insulating power supply using DC100, and power supply supports 66Vdc~154Vdc inputs
Voltage, with input undervoltage, overvoltage protection, output over-voltage protection, overcurrent protection, overheat protector and the anti-reverse protection work(of input
Energy;
System has communication failure, system start-up time, initialization operation log recording function.
5. a kind of EMUs Axle Temperature Warning System according to claim 4, it is characterised in that believe containing network data is supported
Number early warning and alarming and hardwire switch amount signal early warning and alarming step;
The demand increased with user's temperature sensor supports extended temperature acquisition module, and current separate unit control main frame supports collection
No. 48 temperature sensors;
With Ethernet service interface, data download, systematic parameter configuration and monitoring system working condition function are supported.
6. a kind of EMUs Axle Temperature Warning System according to claim 2, it is characterised in that EMUs are divided into by compartment
Trailer and power car;Axle box temperature sensor connection temperature detecting unit in acting trailer system equipment；In power car system equipment
Axle box temperature sensor, gearbox temperature sensor and motor temperature sensor connection temperature detecting unit;Often save compartment
The measured position temperature information and sensor states that collect are transferred to the corresponding network for often saving compartment by temperature detecting unit
Control device, the temperature value and sensor states of permutation car measured position can be monitored in real time on the monitor screen of train network.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110341757B (en) * | 2018-04-03 | 2020-10-13 | 株洲中车时代电气股份有限公司 | Train axle temperature alarming and speed limiting protection method and system |
| CN108791357A (en) * | 2018-06-04 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | A kind of real-time Axle Temperature Warning System of train |
| CN109109904A (en) * | 2018-06-20 | 2019-01-01 | 东南大学 | A kind of train axle temperature detection device and detection method based on MVB |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381700A (en) * | 1992-10-15 | 1995-01-17 | Servo Corporation Of America | Train analysis system enhancement having threshold adjustment means for unidentified wheels |
| EP1600351A1 (en) * | 2004-04-01 | 2005-11-30 | Heuristics GmbH | Method and system for detecting defects and hazardous conditions in passing rail vehicles |
| CN102267476A (en) * | 2011-05-05 | 2011-12-07 | 上海可鲁***软件有限公司 | Real-time monitoring system for axle temperature of rail transit vehicle |
| CN103010257A (en) * | 2012-12-12 | 2013-04-03 | 长春轨道客车股份有限公司 | Bearing temperature monitoring system for high speed electric multiple units |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8280675B2 (en) * | 2009-08-04 | 2012-10-02 | Progress Rail Services Corp | System and method for filtering temperature profiles of a wheel |
-
2015
- 2015-01-31 CN CN201510052363.4A patent/CN104608796B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381700A (en) * | 1992-10-15 | 1995-01-17 | Servo Corporation Of America | Train analysis system enhancement having threshold adjustment means for unidentified wheels |
| EP1600351A1 (en) * | 2004-04-01 | 2005-11-30 | Heuristics GmbH | Method and system for detecting defects and hazardous conditions in passing rail vehicles |
| CN102267476A (en) * | 2011-05-05 | 2011-12-07 | 上海可鲁***软件有限公司 | Real-time monitoring system for axle temperature of rail transit vehicle |
| CN103010257A (en) * | 2012-12-12 | 2013-04-03 | 长春轨道客车股份有限公司 | Bearing temperature monitoring system for high speed electric multiple units |
Non-Patent Citations (1)
| Title |
|---|
| 新一代高速动车组CRH380C轴温监测***;张文忠等;《机车电传动》;20121110(第6期);全文 * |
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