CN103968893A - Train operation experimental device based on distributed testing system - Google Patents
Train operation experimental device based on distributed testing system Download PDFInfo
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- CN103968893A CN103968893A CN201410221554.4A CN201410221554A CN103968893A CN 103968893 A CN103968893 A CN 103968893A CN 201410221554 A CN201410221554 A CN 201410221554A CN 103968893 A CN103968893 A CN 103968893A
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Abstract
The invention discloses a train operation experimental device based on a distributed testing system. The train operation experimental device comprises testing units, a switch and a microprocessor, wherein the testing units are distributed in all carriages of a train respectively and used for obtaining experimental data of train operation and transmitting the experimental data to the switch connected with the testing units through communication cables; the switch receives the experimental data and transmits the experimental data to the microprocessor connected with the switch through a communication cable; the microprocessor is used for conducting experimental analysis on the received experimental data and generating an experimental result. Compared with the prior art, the train operation experimental device based on the distributed testing system has the advantages of being high in integration level, throughput and synchronism, capable of improving experimental efficiency and beneficial for field experimentation.
Description
The application requires to submit on March 17th, 2014 right of priority of the Chinese patent application that Patent Office of the People's Republic of China, application number are 201410097690.7, denomination of invention is " a kind of train operation experimental provision based on distributed test system ", and its full content is by reference in conjunction with in this application.
Technical field
The present invention relates to train experimental technique field, more particularly, relate to a kind of train operation experimental provision based on distributed test system.
Background technology
In recent years, along with the increase day by day of urban population, the pressure of urban transportation also increases gradually.And subway is as the jumbo City Rail Transit System of one, because it has reliable punctuality and reaching property of speed, higher security, and noise is little, pollutes few advantage, therefore its application in each city is also more and more extensive.For adapting to the different geography in each city and weather conditions, and resident population's quantity in each city, the pattern of urban track traffic is also more and more diversified, also exists very large difference between the type of vehicle adopting.This just need to carry out running test to first car of each vehicle, examines thus the design of vehicle whether to meet line condition and handling capacity of passengers.
In actual experimental measurement process, tested parameter often presents certain space and distributes, and multiple tested parameters coexist in same environment, and test normally completes on each user's operating line.Traditional test method is to adopt multiple current sensors, voltage sensor and temperature sensor to measure, in order to gather transmission multi-group data simultaneously, just need a large amount of signal transmssion lines, it is too complicated to there is pilot system in this, the problem that is not easy to carry, cannot realize effectively, detect efficiently.The simultaneously shortcoming that exists poor synchronization and data analysis to lag behind of measuring process, can not Real-Time Monitoring train operation in each measurement parameter curvilinear motion, can not analyze timely occur in train travelling process abnormal.So, for obtaining this class testing parameter than more complete information, realize the multiple target parameters that detect multiple test environments or same environment simultaneously, need development to possess high integration, high flux, high synchronism, first car operating test device of portable new distribution type, can judge preferably whether the design of train meets user's demand, be convenient to the requirement change design according to user in time.
Summary of the invention
In view of this, the invention provides a kind of train operation experimental provision based on distributed test system, there is high integration, high flux, high synchronism, can improve conventional efficient and be conducive to carry out field experiment.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of train operation experimental provision based on distributed test system, comprising: test cell, switch and microprocessor; Wherein:
Described test cell is distributed in each joint compartment of train, obtains the experimental data of train operation, and described experimental data is transferred to connected described switch by the communications cable;
Described switch receives described experimental data, and described experimental data is transferred to connected described microprocessor by the communications cable;
Described microprocessor, by the described experimental data experiment Analysis receiving, generates experimental result.
Preferably, described test cell comprises: temperature test module, voltage test module, testing current module and photoelectric encoder module; Wherein:
Described temperature test module distribution, in each compartment of train, is measured the temperature in each compartment;
Described voltage test module is distributed in each compartment of train, measures the voltage in each compartment;
Described testing current module distribution, in each compartment of train, is measured the electric current in each compartment;
Described photoelectric encoder module is measured the speed of train.
Preferably, described temperature test module comprises: temperature sensor and infrared temperature-test sensor; Wherein:
Described temperature sensor detects the temperature of train braking resistance, main inverter and subordinate inverter;
Described infrared temperature-test sensor detects the temperature of train wheel.
Preferably, described voltage test module comprises: low voltage test module and high voltage test module.
Preferably, described temperature sensor comprises: PT100 SMD temperature amber resistance and NI9219 data collecting card;
Described NI9219 comprises 4 road RTD and gathers.
Preferably, described infrared temperature-test sensor comprises: infrared temperature sensor and NI9222 test module;
Described NI9222 test module is 4 passages, and sampling rate is 500ks/s, and voltage measurement scope is ± 10V that resolution is 16.
Can find out from above-mentioned technical scheme, a kind of train operation experimental provision based on distributed test system disclosed by the invention, the test cell that respectively saves compartment by being distributed in train obtains the experimental data of train operation, and by switch, experimental data is transferred to microprocessor, microprocessor, by the experimental data experiment Analysis receiving, generates experimental result.Compared with prior art, there is high integration, high flux, high synchronism, improved conventional efficient and be conducive to carry out field experiment.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of train operation experimental provision based on distributed test system disclosed by the invention;
Fig. 2 is the structural representation of the train operation experimental provision of another kind disclosed by the invention based on distributed test system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of train operation experimental provision based on distributed test system, there is high integration, high flux, high synchronism, can improve conventional efficient and be conducive to carry out field experiment.
As shown in Figure 1, for a kind of train operation experimental provision based on distributed test system disclosed by the invention, comprising: test cell 11, switch 12 and microprocessor 13; Wherein:
Test cell 11 is distributed in each joint compartment of train, obtains the experimental data of train operation, and described experimental data is transferred to connected switch 12 by the communications cable;
Switch 12 receives described experimental data, and described experimental data is transferred to connected microprocessor 13 by the communications cable;
Microprocessor 13, by the described experimental data experiment Analysis receiving, generates experimental result.
Concrete, principle of work and the process of the disclosed train operation experimental provision based on distributed test system of above-described embodiment are: first, by being distributed in the test cell in each joint compartment of train, obtain the experimental data of train in operational process, wherein, experimental data comprises temperature, voltage, electric current and the speed etc. of train in operational process.Then the experimental data of obtaining is transferred to switch 12 by the communications cable, switch 12 further transfers to microprocessor 13 by the experimental data receiving by the communications cable, finally, microprocessor 13, by the experimental data experiment Analysis receiving, generates experimental result.
The disclosed train operation experimental provision based on distributed test system of above-described embodiment, the test cell that respectively saves compartment by being distributed in train obtains the experimental data of train operation, and by switch, experimental data is transferred to microprocessor, microprocessor, by the experimental data experiment Analysis receiving, generates experimental result.Compared with prior art, there is high integration, high flux, high synchronism, improved conventional efficient and be conducive to carry out field experiment.
As shown in Figure 2, for the train operation experimental provision of another kind disclosed by the invention based on distributed test system, comprising: temperature test module 21, voltage test module 22, testing current module 23, photoelectric encoder module 24, switch 25 and microprocessor 26; Wherein:
Temperature test module 21 is distributed in each compartment of train, measures the temperature in each compartment, and the temperature measuring is transferred to connected switch 25;
Voltage test module 22 is distributed in each compartment of train, measures the voltage in each compartment, and by extremely connected switch 25 of the voltage transmission measuring;
Testing current module 23 is distributed in each compartment of train, measures the electric current in each compartment, and by extremely connected switch 25 of the current delivery measuring;
Photoelectric encoder module 24 is measured the speed of train, and the speed measuring is sent to connected switch 25;
The temperature receiving, voltage, electric current and speed are sent to connected microprocessor 26 by switch 25;
Microprocessor 26, by the temperature receiving, voltage, electric current and speed experiment Analysis, generates experimental result.
Concrete, above-mentioned temperature test module comprises: temperature sensor and infrared temperature-test sensor; Wherein: temperature sensor detects the temperature of train braking resistance, main inverter and subordinate inverter; Infrared temperature-test sensor detects the temperature of train wheel.Wherein: temperature sensor comprises: PT100 SMD temperature amber resistance and NI9219 data collecting card; NI9219 comprises 4 road RTD and gathers.Infrared temperature-test sensor comprises: infrared temperature sensor and NI9222 test module; NI9222 test module is 4 passages, and sampling rate is 500ks/s, and voltage measurement scope is ± 10V that resolution is 16.
Concrete, voltage test module comprises: low voltage test module and high voltage test module.
Concrete, principle of work and the process of the disclosed train operation experimental provision based on distributed test system of above-described embodiment are: detect train braking resistance by the temperature sensor that uses the SMD amber resistance of PT100 and NI9219 data collecting card composition, the main and auxiliary temperature that helps inverter etc.Gather the temperature signal of wheel by the infrared temperature-test sensor that formed by infrared temperature sensor and NI9222 test module, and convert thereof into voltage signal and enter voltage test module.By monitoring air compressor machine electric situation obtains working time of air compressor machine, the voltage signal of collection and other voltage, current signal directly enter testing current module and voltage test module, speed pulse signal receives by photoelectric encoder module.All simulating signals that collect all convert digital signal to by Ethernet cabinet and transmit.Enter switch from the unified transmission of signal of each joint compartment collection, then import the microprocessor in PC into by switch.Microprocessor through various data analyses, calculates required parameter by the signal collecting, and shows as the voltage signal of infrared temperature-test sensor collection is directly changed into temperature, and the air compressor machine voltage collecting obtains electric situation and converts the demonstration of air compressor machine working time to.Data result is by analysis shown on PC, and the data waveform of real-time demonstration monitoring, braking resistor during as train in/out station, the main and auxiliary real time temperature curve that helps inverter and wheel, the variation of train electric moter voltage, electric current when train moves on the line, also can realize that net is pressed, the monitoring of net stream if change wide range voltage, testing current module.
In above-described embodiment, can realize with the hot-swappable I/O module of multiple integrated signals conditioning and matching due to the Ethernet cabinet of choice for use, therefore can measure electronics, physics, machinery or the voice signal of multiplexer channel by plugging different test modules.Signal unification through each Ethernet cabinet enters switch, thereby can realize the measurement collection of distributed system.Whole test unit forms based on pci bus mode and CAN bus, and switch is connected with PC, utilizes microprocessor to realize data and show and data processing on PC.
The function that microprocessor can be realized comprises the functions such as data processing function, Presentation Function, configuration feature, report capability, Interface Expanding.Data processing function is mainly: by the data processing method such as data filtering, spectrum analysis, the voltage of collection, current signal are carried out to filtering, again filtered signal is carried out to certain transformation calculations, obtain the data parameters numerical value that test needs, as the time of air compressor machine work, the instantaneous velocity of train etc.; Presentation Function is: online real-time demonstration test waveform, the data in monitoring test process, as the temperature variation of locomotive wheel, braking resistor etc. in operational process.Configuration feature is: can be according to different test parameter precision change sampling channels, sampling rate, the configuration of sampling number.Simultaneously according to the configuration that the difference of measurement parameter synchronism is required to change sample-synchronous.Also can realize hardware parameter is preserved and read in the mode of Parameter File, can set and carry out the preservation of test figure and read according to different operating condition of test simultaneously; Report capability is: import the test data being saved, can automatically derive Excel or Word etc.; Interface Expanding is mainly: increase self-defining processing capacity module and abundant arithmetic function, logarithmic function, trigonometric function, FFT spectrum analysis, curve, spike analysis and signal analysis etc. mathematical tool is provided, making whole test macro more powerful.
Every above-mentioned NI92194 comprises 4 road RTD and gathers, without external modulate circuit.
Above-mentioned NI9222 test module is 4 passages, and sampling rate is 500ks/s, and voltage measurement scope is ± 10V that resolution is 16.
The voltage tester scope of above-mentioned said low voltage test module is 0～5V, is NI9223 test module, and NI9223 test module is 4 passages, and sampling rate is 1Ms/s, and voltage measurement scope is ± 10V that resolution is 16.The test specification of testing current module is 0～50mA, is NI9219 test module, and NI9219 test module is 4 passages, and sampling rate is 100s/s, and current measuring range is 0～50mA.The test specification of high voltage test module is 0～380V, is NI9225 test module, and NI9225 test module is 3 passages, and sampling rate is 50ks/s, and voltage measurement scope is ± 300V.Photoelectric encoder module is NI9402 test module, and NI9402 test module is 4 passages, 55ns high speed digital I/O interface, addressable 4 general 32 digit counters/timers.
The above-mentioned said PC that microprocessor is housed can be one of them of various types of computing machines, notebook, laptop computer, industrial computer.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the train operation experimental provision based on distributed test system, is characterized in that, comprising: test cell, switch and microprocessor; Wherein:
Described test cell is distributed in each joint compartment of train, obtains the experimental data of train operation, and described experimental data is transferred to connected described switch by the communications cable;
Described switch receives described experimental data, and described experimental data is transferred to connected described microprocessor by the communications cable;
Described microprocessor, by the described experimental data experiment Analysis receiving, generates experimental result.
2. experimental provision according to claim 1, is characterized in that, described test cell comprises: temperature test module, voltage test module, testing current module and photoelectric encoder module; Wherein:
Described temperature test module distribution, in each compartment of train, is measured the temperature in each compartment;
Described voltage test module is distributed in each compartment of train, measures the voltage in each compartment;
Described testing current module distribution, in each compartment of train, is measured the electric current in each compartment;
Described photoelectric encoder module is measured the speed of train.
3. experimental provision according to claim 2, is characterized in that, described temperature test module comprises: temperature sensor and infrared temperature-test sensor; Wherein:
Described temperature sensor detects the temperature of train braking resistance, main inverter and subordinate inverter;
Described infrared temperature-test sensor detects the temperature of train wheel.
4. experimental provision according to claim 2, is characterized in that, described voltage test module comprises: low voltage test module and high voltage test module.
5. experimental provision according to claim 3, is characterized in that, described temperature sensor comprises: PT100 SMD temperature amber resistance and NI9219 data collecting card;
Described NI9219 comprises 4 road RTD and gathers.
6. experimental provision according to claim 3, is characterized in that, described infrared temperature-test sensor comprises: infrared temperature sensor and NI9222 test module;
Described NI9222 test module is 4 passages, and sampling rate is 500ks/s, and voltage measurement scope is ± 10V that resolution is 16.
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| CN201410221554.4A CN103968893A (en) | 2014-03-17 | 2014-05-23 | Train operation experimental device based on distributed testing system |
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| CN201410221554.4A CN103968893A (en) | 2014-03-17 | 2014-05-23 | Train operation experimental device based on distributed testing system |
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| CN112034303A (en) * | 2020-08-06 | 2020-12-04 | 中车唐山机车车辆有限公司 | Train cable testing method and device |
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Cited By (11)
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| CN104280054A (en) * | 2014-11-06 | 2015-01-14 | 株洲南车时代电气股份有限公司 | Data recording device |
| CN107014425A (en) * | 2015-12-18 | 2017-08-04 | 通用电气公司 | Sensing system |
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| CN109358599A (en) * | 2018-10-18 | 2019-02-19 | 湖南中车时代通信信号有限公司 | A kind of Auto-Test System of train operation monitoring device, method and device |
| CN111654417A (en) * | 2020-06-08 | 2020-09-11 | 中车青岛四方机车车辆股份有限公司 | Evaluation method and device, storage medium, processor and train |
| CN112034303A (en) * | 2020-08-06 | 2020-12-04 | 中车唐山机车车辆有限公司 | Train cable testing method and device |
| CN112034303B (en) * | 2020-08-06 | 2023-05-23 | 中车唐山机车车辆有限公司 | Method and device for testing train cable |
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Application publication date: 20140806 |