CN114459781B - Intelligent train dynamic braking test system and application thereof - Google Patents
Intelligent train dynamic braking test system and application thereof Download PDFInfo
- Publication number
- CN114459781B CN114459781B CN202210054965.3A CN202210054965A CN114459781B CN 114459781 B CN114459781 B CN 114459781B CN 202210054965 A CN202210054965 A CN 202210054965A CN 114459781 B CN114459781 B CN 114459781B
- Authority
- CN
- China
- Prior art keywords
- train
- braking
- test
- brake
- dynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of train braking tests, in particular to an intelligent train dynamic braking test system and application thereof. The intelligent train dynamic braking test system comprises a train braking simulation control center, a train braking system standing test bed and a vehicle dynamic rolling test bed; the train braking simulation control center controls the static test bed of the train braking system to simulate a marshalling train to carry out static braking test, acquires air pressure data of a train pipe of a vehicle at a certain position in the simulated marshalling train, further controls the dynamic rolling test bed to simulate the dynamic braking process of the vehicle at the position, and truly tests braking deceleration and coupler force of each vehicle in the marshalling train by changing the position of the vehicle in the simulated marshalling train, so as to analyze the magnitude of longitudinal impact force between the marshalling trains. The invention can test the performance of the dynamic braking system and truly reflect the longitudinal dynamic action of braking.
Description
Technical Field
The invention relates to the technical field of train braking tests, in particular to an intelligent train dynamic braking test system and application thereof.
Background
The train braking test is limited to a brake valve, a single-car braking device performance test and a train braking system static test so far, and can obtain air wave for transmitting inflation air pressure or brake wave for decompression braking on a train pipe in the train braking system and air pressure data of each vehicle brake cylinder or other cylinder air chambers and the like through the test, but the longitudinal power action effect of the train actually caused by the dynamic braking process of the long and large marshalling train cannot be directly judged, and the conventional braking test system comprising a train braking system static test bed and the like cannot be suitable for the technical development of heavy-load long and large freight trains.
At present, the international development of multiple locomotives is greatly advanced to control different marshalling quantities, especially long freight trains, but the problem of inconsistency of inflation or braking of vehicles in front of and behind the train is more and more prominent, which can cause longitudinal power action, namely impulse, of the train and serious train safety accidents.
For the development of the braking performance of long and large freight trains in future, the longitudinal power research of the trains is important. In addition, on the research of longitudinal dynamics and derailment of vehicles of long and large freight trains, the traditional method mainly concentrates on theoretical modeling, the designed brake waves, train modules, nodes and connections tend to be unified and idealized, and for actual complex working conditions, the traditional longitudinal dynamics analysis method is very limited and has limited reference value, so that the problem of derailment of vehicles caused by longitudinal power impact in the train braking process can not be solved.
Therefore, a new train brake test method is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an intelligent train dynamic braking test system and application thereof. The intelligent train dynamic braking test system comprises a train braking simulation control center, a train braking system standing test bed and a vehicle dynamic rolling test bed; the train braking simulation control center controls the static test bed of the train braking system to simulate a marshalling train to carry out static braking test, acquires air pressure data of a train pipe of a vehicle at a certain position in the simulated marshalling train, further controls the dynamic rolling test bed to simulate the dynamic braking process of the vehicle at the position, and truly tests braking deceleration and coupler force of each vehicle in the marshalling train by changing the position of the vehicle in the simulated marshalling train, so as to analyze the magnitude of longitudinal impact force between the marshalling trains. Specifically, the intelligent train dynamic braking test system can simulate a marshalling train through a static test bed of the train braking system to carry out static braking test, acquire train pipe air pressure data of a vehicle at a certain position in the simulated marshalling train, then convert the train pipe air pressure data of the position into control model signals, control a single-car braking device on a dynamic rolling test bed of the vehicle, simulate the dynamic braking process of the vehicle at the position, truly test the braking deceleration and the coupler force of each vehicle in the marshalling train by changing the position of the vehicle in the simulated marshalling train, and further analyze the magnitude of longitudinal impact force between marshalling trains. The invention is provided with the vehicle dynamic rolling test bed, can test the performance of a dynamic braking system, and can truly reflect the longitudinal dynamic action of braking.
The aim of the invention can be achieved by the following technical scheme:
the first object of the invention is to provide an intelligent train dynamic brake test system which is used for simulating a marshalling train in a laboratory to carry out train static and dynamic brake tests, and comprises a train brake simulation control center, a train brake system static test bed and a train dynamic rolling test bed;
the train braking simulation control center controls the train braking system static test bed to carry out static braking test, receives air pressure data of the train braking system static test bed, and further controls the vehicle dynamic rolling test bed to carry out dynamic braking test;
the static brake test bed of the train brake system is used for simulating a marshalling train to carry out static brake test and collecting air pressure data of any position of the simulated marshalling train;
the vehicle dynamic rolling test bed is used for simulating the vehicles at any position in the marshalling train simulated by the train braking system standing test bed to carry out dynamic braking test;
the vehicle power rolling test bed comprises a signal acquisition device, an inertia wheel structure, a test vehicle bearing platform, a track wheel, a power transmission device, a bicycle brake actuator and a test bicycle, wherein the track wheel is arranged above the test vehicle bearing platform, the test bicycle is arranged above the track wheel, a bicycle brake actuator is connected to a train brake simulation control center, the bicycle brake actuator is connected to a bicycle brake device arranged on the test bicycle, the track wheel, the power transmission device and the inertia wheel structure are sequentially connected, the track wheel and the test bicycle are respectively connected with the signal acquisition device, and the signal acquisition device is connected to the train brake simulation control center.
In one embodiment of the invention, the train brake simulation control center comprises an upper computer, an electronic brake control monitoring unit and a brake control simulation actuator, and the upper computer, the electronic brake control monitoring unit and the brake control simulation actuator are sequentially connected.
In one embodiment of the present invention, two brake control simulation actuators are provided.
In one embodiment of the invention, the electronic brake control monitoring unit is connected to a bicycle brake actuator via a data transmission line, and the bicycle brake actuator is connected to a test bicycle via a gas line.
In one embodiment of the invention, the static test bed of the train braking system comprises an air pressure signal acquisition device, a train pipe and a static braking device, wherein the braking control simulation executor is connected with the train pipe, the train pipe is connected with the air pressure signal acquisition device and the static braking device, and the air pressure signal acquisition device is connected with the electronic braking control monitoring unit.
In one embodiment of the invention, the brake control simulation actuator is connected with a train pipe through a gas pipeline, and the gas pressure signal acquisition device is connected with the electronic brake control monitoring unit through a data transmission line.
In one embodiment of the invention, the stationary braking device is provided in several.
In one embodiment of the invention, a plurality of stationary braking devices are connected to the train pipe.
In one embodiment of the invention, the air pressure signal acquisition device comprises a plurality of multichannel data acquisition devices and air pressure sensors, wherein the air pressure sensors are arranged at the joints of the plurality of static braking devices and the train pipe, and the multichannel data acquisition devices are connected with the air pressure sensors through data transmission lines.
In one embodiment of the invention, the signal acquisition device comprises a multichannel data acquisition instrument, an acceleration sensor and a pressure sensor, wherein the acceleration sensor is arranged on the rail wheel and the test bicycle, and the pressure sensor is arranged on the test bicycle; the multichannel data acquisition instrument is connected with the acceleration sensor and the pressure sensor through data transmission lines.
In one embodiment of the invention, the upper computer is provided with intelligent train dynamic braking test platform software, which mainly comprises two parts, namely a braking digital simulation model part, a simulation model and a mathematical model call of each working condition of a vehicle braking system at different positions of a test bicycle and a marshalling train; and the man-machine interaction interface and the test data acquisition part have the functions of initial parameter setting, real-time data acquisition, real-time data dynamic display, data analysis, data calculation and the like.
In one embodiment of the present invention, the control module of the electronic brake control monitoring unit implements the receiving, converting and latching of data by writing a control algorithm into the development board, and the control model signal converted by the control module is substantially a level signal.
In one embodiment of the invention, the brake control analog actuator converts the level signal generated by the control module through the OC optical coupler and the MOS tube voltage conversion circuit to generate a corresponding driving signal.
In one embodiment of the invention, if the air pressure data of the N-th car in the simulated marshalling train is to be detected, static simulation tests are required to be carried out on 1-N-1 static brake devices of a static test bed of a train brake system, the 1-1 static brake devices are connected with a train pipe, and two ends of the train pipe are respectively connected with a brake control simulation actuator; wherein N is more than or equal to 2, and the N stationary braking device is simulated as the braking device of the N vehicle in the marshalling train.
In one embodiment of the present invention, the bicycle brake actuator has the same function as the brake control analog actuator to control the air pressure of the bicycle brake device.
The second purpose of the invention is to provide the application of the intelligent train dynamic braking test system in the research of the braking performance of the long freight train.
The intelligent train dynamic braking test system is developed to perform simulated braking and data acquisition, namely a train is simulated to perform static braking test through a static test bed of the train braking system, train pipe air pressure data of a vehicle at a certain position in the simulated train is acquired, then the train pipe air pressure data of the vehicle at the certain position is converted into a control model signal, a single train braking device on a vehicle power rolling test bed is controlled to perform braking, the dynamic braking process of the vehicle at the certain position of the train is simulated, the braking deceleration and the coupler force of each vehicle in the train are truly tested by changing the position of the vehicle in the simulated train, and further the longitudinal impact force between the trains is analyzed, and the derailment problem of the train is analyzed. The static braking test is changed to the dynamic braking test in the laboratory.
Compared with the prior art, the invention has the following beneficial effects:
(1) The static braking process of the vehicle at any position in the marshalling train can be simulated by arranging a plurality of static braking devices on the static braking system static braking test bed of the intelligent dynamic braking test system of the train, the static braking test function of a single braking system in the past is changed, and the performance test of a multi-marshalling braking system can be performed.
(2) The intelligent train dynamic braking test system is provided with the train braking system static test bed for simulating the static braking process of the vehicle at any position in the marshalling train and the vehicle dynamic rolling test bed for simulating the dynamic braking process of the vehicle at any position in the marshalling train, so that the performance test of the static and dynamic braking systems can be carried out; meanwhile, the method can be used as a database and a research platform for analyzing the performances of different brake systems or developing a novel brake, greatly reduces the cost and time for developing or modifying the novel brake, and simultaneously changes the dilemma of separating the past development and test.
(3) The vehicle dynamic rolling test bed of the intelligent train dynamic braking test system is provided with the inertia wheel structure, and the inertia wheel structure can simulate braking inertia, so that when a test bicycle brakes, the test bicycle wheel pair can rotate from original high speed to braking deceleration until stopping on the vehicle dynamic rolling test bed, and the actual vehicle dynamic braking process is completely and truly simulated; namely, the static test bed of the train braking system is changed into a test bed capable of performing dynamic braking test, and the longitudinal dynamic action of braking can be truly reflected.
Drawings
FIG. 1 is a schematic diagram of the intelligent train dynamic brake test system of the present invention;
FIG. 2 is a schematic diagram of a train brake simulation control center according to the present invention;
FIG. 3 is a schematic diagram of a static test stand of a train brake system according to the present invention;
FIG. 4 is a schematic view of the structure of the dynamic rolling test stand of the vehicle according to the present invention;
FIG. 5 is a schematic view of the structure of the test vehicle load platform, rail wheel, bicycle brake actuator and test bicycle of the present invention;
reference numerals in the drawings: 1. the train braking simulation control center; 11. an upper computer; 12. an electronic brake control monitoring unit; 13. a brake control analog actuator; 2. standing test bed of train braking system; 21. the air pressure signal acquisition device; 22. a train pipe; 23. a stationary braking device; 3. a vehicle dynamic rolling test bed; 31. a signal acquisition device; 32. an inertia wheel structure; 33. the test vehicle bearing platform; 34. a rail wheel; 35. a power transmission device; 36. a bicycle brake actuator; 37. test bicycle.
Detailed Description
The invention provides an intelligent train dynamic braking test system which is used for simulating a marshalling train in a laboratory to carry out train static and dynamic braking tests, and comprises a train braking simulation control center, a train braking system static test bed and a vehicle dynamic rolling test bed;
the train braking simulation control center controls the train braking system static test bed to carry out static braking test, receives air pressure data of the train braking system static test bed, and further controls the vehicle dynamic rolling test bed to carry out dynamic braking test;
the static brake test bed of the train brake system is used for simulating a marshalling train to carry out static brake test and collecting air pressure data of any position of the simulated marshalling train;
the vehicle dynamic rolling test bed is used for simulating the vehicles at any position in the marshalling train simulated by the train braking system standing test bed to carry out dynamic braking test;
the vehicle power rolling test bed comprises a signal acquisition device, an inertia wheel structure, a test vehicle bearing platform, a track wheel, a power transmission device, a bicycle brake actuator and a test bicycle, wherein the track wheel is arranged above the test vehicle bearing platform, the test bicycle is arranged above the track wheel, a bicycle brake actuator is connected to a train brake simulation control center, the bicycle brake actuator is connected to a bicycle brake device arranged on the test bicycle, the track wheel, the power transmission device and the inertia wheel structure are sequentially connected, the track wheel and the test bicycle are respectively connected with the signal acquisition device, and the signal acquisition device is connected to the train brake simulation control center.
In one embodiment of the invention, the train brake simulation control center comprises an upper computer, an electronic brake control monitoring unit and a brake control simulation actuator, and the upper computer, the electronic brake control monitoring unit and the brake control simulation actuator are sequentially connected.
In one embodiment of the present invention, two brake control simulation actuators are provided.
In one embodiment of the invention, the electronic brake control monitoring unit is connected to a bicycle brake actuator via a data transmission line, and the bicycle brake actuator is connected to a test bicycle via a gas line.
In one embodiment of the invention, the static test bed of the train braking system comprises an air pressure signal acquisition device, a train pipe and a static braking device, wherein the braking control simulation executor is connected with the train pipe, the train pipe is connected with the air pressure signal acquisition device and the static braking device, and the air pressure signal acquisition device is connected with the electronic braking control monitoring unit.
In one embodiment of the invention, the brake control simulation actuator is connected with a train pipe through a gas pipeline, and the gas pressure signal acquisition device is connected with the electronic brake control monitoring unit through a data transmission line.
In one embodiment of the invention, the stationary braking device is provided in several.
In one embodiment of the invention, a plurality of stationary braking devices are connected to the train pipe.
In one embodiment of the invention, the air pressure signal acquisition device comprises a plurality of multichannel data acquisition devices and air pressure sensors, wherein the air pressure sensors are arranged at the joints of the plurality of static braking devices and the train pipe, and the multichannel data acquisition devices are connected with the air pressure sensors through data transmission lines.
In one embodiment of the invention, the signal acquisition device comprises a multichannel data acquisition instrument, an acceleration sensor and a pressure sensor, wherein the acceleration sensor is arranged on the rail wheel and the test bicycle, and the pressure sensor is arranged on the test bicycle; the multichannel data acquisition instrument is connected with the acceleration sensor and the pressure sensor through data transmission lines.
In one embodiment of the invention, the upper computer is provided with intelligent train dynamic braking test platform software, which mainly comprises two parts, namely a braking digital simulation model part, a simulation model and a mathematical model call of each working condition of a vehicle braking system at different positions of a test bicycle and a marshalling train; and the man-machine interaction interface and the test data acquisition part have the functions of initial parameter setting, real-time data acquisition, real-time data dynamic display, data analysis, data calculation and the like.
In one embodiment of the present invention, the control module of the electronic brake control monitoring unit implements the receiving, converting and latching of data by writing a control algorithm into the development board, and the control model signal converted by the control module is substantially a level signal.
In one embodiment of the invention, the brake control analog actuator converts the level signal generated by the control module through the OC optical coupler and the MOS tube voltage conversion circuit to generate a corresponding driving signal.
In one embodiment of the invention, if the air pressure data of the N-th car in the simulated marshalling train is to be detected, static simulation tests are required to be carried out on 1-N-1 static brake devices of a static test bed of a train brake system, the 1-1 static brake devices are connected with a train pipe, and two ends of the train pipe are respectively connected with a brake control simulation actuator; wherein N is more than or equal to 2, and the N stationary braking device is simulated as the braking device of the N vehicle in the marshalling train.
In one embodiment of the present invention, the bicycle brake actuator has the same function as the brake control analog actuator to control the air pressure of the bicycle brake device.
The invention provides application of the intelligent train dynamic braking test system in research on the braking performance of long freight trains.
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
The embodiment provides an intelligent train dynamic braking test system.
As shown in fig. 1-4, an intelligent train dynamic brake test system for performing a train static and dynamic brake test in a laboratory simulating a marshalling train, comprising: the system comprises a train brake simulation control center 1, a train brake system static test bed 2 and a vehicle dynamic rolling test bed 3;
the train braking simulation control center 1 controls the train braking system static test bed 2 to carry out static braking test, receives air pressure data of the train braking system static test bed 2, and further controls the vehicle power rolling test bed 3 to carry out dynamic braking test;
the static brake test bed 2 of the train brake system is used for simulating a marshalling train to carry out static brake test and collecting air pressure data of any position of the simulated marshalling train;
the vehicle dynamic rolling test bed 3 is used for simulating the vehicles at any position in the marshalling train simulated by the train braking system standing test bed 2 to carry out dynamic braking test;
the train brake simulation control center 1 comprises an upper computer 11, an electronic brake control monitoring unit 12 and a brake control simulation actuator 13, wherein the upper computer 11 is connected with the electronic brake control monitoring unit 12, the electronic brake control unit is connected with the brake control simulation actuator 13, two brake control simulation actuators 13 are arranged, one brake control simulation actuator is fixed in front of a first static brake device, and the other brake control simulation actuator is movably connected in front of the static brake device to be tested (namely, if air pressure data of an Nth car in a simulated marshalling train is to be detected, the two brake control simulation actuators 13 are respectively arranged in front of the first static brake device and behind the N-1 static brake device);
the train braking system static test bed 2 comprises an air pressure signal acquisition device 21, a train pipe 22 and a static braking device 23, wherein the braking control simulation executor 13 is connected with the train pipe 22 through an air path pipe, the train pipe 22 is connected with the air pressure signal acquisition device 21 and the static braking device 23, and the air pressure signal acquisition device 21 is connected with the electronic braking control monitoring unit 12 through a data transmission line; the air pressure signal acquisition device 21 comprises a plurality of multichannel data acquisition instruments and air pressure sensors, wherein the air pressure sensors are positioned at the joints of the plurality of static braking devices and the train pipe, and the multichannel data acquisition instruments are connected with the air pressure sensors through data transmission lines; the stationary braking devices 23 are provided with a plurality of air pressure sensors and are connected in series with the train pipe 22, and the connection parts of the stationary braking devices 23 and the train pipe 22 are provided with air pressure sensors; the multichannel data acquisition instrument is connected with the air pressure sensor through a data transmission line;
the vehicle power rolling test stand 3 comprises a signal acquisition device 31, an inertia wheel structure 32, a test vehicle bearing platform 33, a track wheel 34, a power transmission device 35, a bicycle brake actuator 36 and a test bicycle 37, wherein the track wheel 34 is arranged above the test vehicle bearing platform 33, the test bicycle 37 is arranged above the track wheel 34, the electronic brake control monitoring unit 12 is connected with the bicycle brake actuator 36 through a data transmission line, the bicycle brake actuator 36 is connected with a bicycle brake device arranged on the test bicycle 37 through a gas pipeline, the track wheel 34, the power transmission device 35 and the inertia wheel structure 32 are sequentially connected, the track wheel 34 and the test bicycle 37 are respectively connected with the signal acquisition device 31, and the signal acquisition device 31 is connected with the electronic brake control monitoring unit 12; the signal acquisition device 31 comprises a multichannel data acquisition instrument, an acceleration sensor and a pressure sensor, wherein the acceleration sensor is arranged on the track wheel 34 and the test bicycle 37, and the pressure sensor is arranged on the test bicycle 37; the multichannel data acquisition instrument is connected with the acceleration sensor and the pressure sensor through data transmission lines.
The intelligent train dynamic braking test system can simulate a marshalling train through the train braking system standing test bed 2 to carry out static braking test, acquire air pressure data of a train pipe 22 of a vehicle at a certain position in the simulated marshalling train, then convert the air pressure data of the train pipe 22 of the vehicle at the position into control model signals, control a single-car braking device on the vehicle dynamic rolling test bed 3, simulate the dynamic braking process of the vehicle at the position, truly test braking deceleration and coupler force of each vehicle in the marshalling train by changing the position of the vehicle in the simulated marshalling train, and further analyze the magnitude of longitudinal impact force between marshalling trains.
Example 2
The embodiment provides a test method of an intelligent train dynamic brake test system (10 th car of simulated 150 marshalling trains):
the method comprises the steps of (S1) obtaining a target pressure value of a train pipe of a simulated 150 marshalling trains by calculating a brake digital simulation model through intelligent train dynamic brake test platform software in an upper computer 11, and transmitting the target pressure value to an electronic brake control monitoring unit 12 through serial port communication, wherein the intelligent train dynamic brake test platform software of the upper computer 11 mainly comprises two parts, namely a brake digital simulation model part, a simulation model of each working condition of a test bicycle 37 and a vehicle brake system at different positions of the marshalling trains and a call of a mathematical model; the man-machine interaction interface and the test data acquisition part have the functions of initial parameter setting, real-time data acquisition, real-time data dynamic display, data analysis, data calculation and the like; the control module of the electronic brake control monitoring unit 12 converts the target pressure value into a control model signal and controls the brake control simulation executor 13 to generate a corresponding driving signal; the control module of the electronic brake control monitoring unit 12 realizes the receiving, converting and latching of data by writing a control algorithm into a development board, and the converted control model signal is a level signal substantially; the brake control analog actuator 13 converts the level signal generated by the control module through the OC optical coupler and the MOS tube voltage conversion circuit to generate a corresponding driving signal, thereby realizing the control of the brake control analog actuator 13 on the air charging and discharging of the static brake device 23.
(S2) the static braking device 23 receives driving signals generated by the braking control simulation executor 13, static braking tests are carried out on the charging and discharging air of 1-9 static braking devices 23, and a multichannel data acquisition instrument of the air pressure signal acquisition device 21 is connected with each air pressure sensor and acquires air pressure data in real time; the air pressure signal acquisition device 21 transmits the air pressure data to the electronic brake control monitoring unit 12, an acquisition module of the electronic brake control monitoring unit 12 acquires the air pressure signal acquired by the air pressure signal acquisition device 21 and converts the air pressure signal into a digital signal, the data is synchronously transmitted to the upper computer 11 through network communication, the upper computer 11 intelligent train dynamic brake test platform software displays the data in real time, then the air pressure data transmitted to the 10 th static brake device 23 is selected, the air pressure data is the real control signal for controlling the 10 th static brake device 23 (namely the real control signal for controlling the 10 th brake device in the simulated 150 marshalling trains), the air pressure data is processed through a brake digital simulation model and then transmitted to the electronic brake control monitoring unit 12 again, and then the air pressure data is converted into a control model signal through the control module to control the bicycle brake actuator 36 to generate a driving signal;
(S3) the bicycle brake actuator 36 generating a drive signal to control the test bicycle 37 to simulate the 10 th vehicle of 150 marshalling trains for dynamic braking test; after receiving the control model signal transmitted by the electronic brake control monitoring unit 12, the bicycle brake actuator 36 controls the bicycle brake device of the test bicycle 37 to brake, wherein the bicycle brake actuator 36 and the brake control simulation actuator 13 have the same function and control the air pressure of the bicycle brake device; because the inertia wheel structure 32 can simulate braking inertia, when the test bicycle 37 brakes, the test bicycle 37 wheel set can rotate from original high speed to braking deceleration on the test bicycle bearing platform 33 until stopping, thereby completely and truly simulating the dynamic braking process of an actual vehicle, at this time, because of the real action relationship between the tread of the test bicycle 37 wheel set and the track wheel 34, the real acting force of the front and rear couplers of the test bicycle 37 is generated, the signal acquisition device 31 acquires deceleration data of the track wheel 34 and the test bicycle 37 wheel set through the pressure sensor and the acceleration sensor which are connected with the multichannel data acquisition instrument, the real acting force data of the front and rear couplers of the test bicycle 37 and transmits the data to the electronic braking control monitoring unit 12, the electronic braking control monitoring unit 12 further transmits the collected data to the upper computer 11, and the upper computer 11 receives and processes the dynamic braking data and analyzes the longitudinal dynamic action.
The intelligent train dynamic braking test system formed by combining the train braking simulation control center 1, the train braking system static test bed 2 and the vehicle dynamic rolling test bed 3 can study the braking performance of any one of different marshalling trains, so that the longitudinal dynamic action effect of the train actually caused by the dynamic braking process of the long marshalling train is judged, the static braking test is converted into the dynamic braking test capable of simulating the actual braking process of the vehicle, and the technical level of the braking test system is greatly improved.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (7)
1. An intelligent train dynamic braking test system is used for simulating a marshalling train in a laboratory to carry out train static and dynamic braking tests and is characterized by comprising a train braking simulation control center (1), a train braking system static test bed (2) and a vehicle dynamic rolling test bed (3);
the train braking simulation control center (1) controls the train braking system static test bed (2) to carry out static braking test, receives air pressure data of the train braking system static test bed (2), and further controls the vehicle power rolling test bed (3) to carry out dynamic braking test;
the static brake test bed (2) of the train brake system is used for simulating a marshalling train to carry out static brake test and collecting air pressure data of any position of the simulated marshalling train;
the vehicle dynamic rolling test bed (3) is used for simulating the vehicles at any position in the marshalling train simulated by the train braking system standing test bed (2) to carry out dynamic braking test;
the vehicle power rolling test bed (3) comprises a signal acquisition device (31), an inertia wheel structure (32), a test vehicle bearing platform (33), a track wheel (34), a power transmission device (35), a bicycle brake actuator (36) and a test bicycle (37), wherein the track wheel (34) is arranged above the test vehicle bearing platform (33), the test bicycle (37) is arranged above the track wheel (34), the train brake simulation control center (1) is connected with the bicycle brake actuator (36), the bicycle brake actuator (36) is connected with a bicycle brake device arranged by the test bicycle (37), the track wheel (34), the power transmission device (35) and the inertia wheel structure (32) are sequentially connected, the track wheel (34) and the test bicycle (37) are respectively connected with the signal acquisition device (31), and the signal acquisition device (31) is connected with the train brake simulation control center (1);
the train braking simulation control center (1) comprises an upper computer (11), an electronic braking control monitoring unit (12) and a braking control simulation actuator (13), wherein the upper computer (11), the electronic braking control monitoring unit (12) and the braking control simulation actuator (13) are sequentially connected;
the static test bed (2) of the train braking system comprises an air pressure signal acquisition device (21), a train pipe (22) and a static braking device (23), wherein the braking control simulation actuator (13) is connected with the train pipe (22), the train pipe (22) is connected with the air pressure signal acquisition device (21) and the static braking device (23), and the air pressure signal acquisition device (21) is connected with the electronic braking control monitoring unit (12);
the static braking devices (23) are provided with a plurality of static braking devices (23) which are connected with the train pipe (22);
the intelligent train dynamic braking test system simulates a marshalling train to carry out static braking test through a static test stand (2) of the train braking system, acquires air pressure data of a train pipe (22) of a vehicle at a certain position in the simulated marshalling train, converts the air pressure data of the train pipe (22) of the vehicle at the certain position into a control model signal, controls a single car braking device on a dynamic rolling test stand (3) of the vehicle, simulates the dynamic braking process of the vehicle at the certain position, truly tests braking deceleration and coupler force of each vehicle in the marshalling train by changing the position of the vehicle in the simulated marshalling train, and further analyzes the magnitude of longitudinal impact force among marshalling trains.
2. An intelligent train dynamic brake test system according to claim 1, characterized in that two brake control simulation actuators (13) are provided.
3. An intelligent train dynamic brake test system according to claim 1, wherein the electronic brake control monitoring unit (12) is connected to a bicycle brake actuator (36) via a data transmission line, and the bicycle brake actuator (36) is connected to a test bicycle (37) via a pipeline.
4. An intelligent train dynamic brake test system according to claim 1, wherein the brake control simulation actuator (13) is connected with the train pipe (22) through a gas pipe, and the gas pressure signal acquisition device (21) is connected with the electronic brake control monitoring unit (12) through a data transmission line.
5. An intelligent train dynamic brake test system according to claim 1, wherein the air pressure signal acquisition device (21) comprises a plurality of multichannel data acquisition devices and air pressure sensors, the air pressure sensors are arranged at the joints of the plurality of static brake devices (23) and the train pipe (22), and the multichannel data acquisition devices are connected with the air pressure sensors through data transmission lines.
6. An intelligent train dynamic braking test system according to claim 1, characterized in that the signal acquisition device (31) comprises a multichannel data acquisition instrument, an acceleration sensor and a pressure sensor, wherein the acceleration sensor is arranged on the rail wheel (34) and the test bicycle (37), and the pressure sensor is arranged on the test bicycle (37); the multichannel data acquisition instrument is connected with the acceleration sensor and the pressure sensor through data transmission lines.
7. Use of an intelligent train dynamic brake test system according to any one of claims 1-6 in long freight train brake performance research.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054965.3A CN114459781B (en) | 2022-01-18 | 2022-01-18 | Intelligent train dynamic braking test system and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054965.3A CN114459781B (en) | 2022-01-18 | 2022-01-18 | Intelligent train dynamic braking test system and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114459781A CN114459781A (en) | 2022-05-10 |
| CN114459781B true CN114459781B (en) | 2023-05-02 |
Family
ID=81410391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210054965.3A Active CN114459781B (en) | 2022-01-18 | 2022-01-18 | Intelligent train dynamic braking test system and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114459781B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147941B (en) * | 2023-04-23 | 2023-07-07 | 眉山中车制动科技股份有限公司 | Train braking simulation system and control method thereof |
| CN116729342A (en) * | 2023-06-07 | 2023-09-12 | 眉山中车制动科技股份有限公司 | Method for judging performance of train emergency brake valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1729104A1 (en) * | 2005-05-27 | 2006-12-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Method and device for carrying out brake tests in motor vehicles with compressed air brake system |
| RU98813U1 (en) * | 2010-06-17 | 2010-10-27 | Открытое Акционерное Общество "Российские Железные Дороги" | STAND FOR CARRY-IN-TEST TESTING OF RAILWAY RAILWAY CARS |
| CN102012321A (en) * | 2010-11-17 | 2011-04-13 | 北京高铁三瑞电子技术有限公司 | System and method for monitoring performance of air brake of rail train |
| CN105784390A (en) * | 2016-03-24 | 2016-07-20 | 中车青岛四方车辆研究所有限公司 | Freight car bogie instability/braking integrated test and control system and test method |
| CN111678713A (en) * | 2020-06-10 | 2020-09-18 | 中车青岛四方车辆研究所有限公司 | Antiskid test platform and test method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020675B (en) * | 2014-05-05 | 2017-02-22 | 中车青岛四方机车车辆股份有限公司 | Train braking hardware-in-the-loop simulation testing stand and method |
| CN110441077B (en) * | 2018-05-04 | 2021-03-02 | 中车齐齐哈尔车辆有限公司 | Simulation system, method and device for train brake |
| CN109443808B (en) * | 2018-09-30 | 2020-10-02 | 同济大学 | Vehicle brake intelligent test system interface device |
| CN113110104B (en) * | 2021-04-25 | 2022-06-07 | 同济大学 | Intelligent cascade test system for braking of single marshalling train |
-
2022
- 2022-01-18 CN CN202210054965.3A patent/CN114459781B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1729104A1 (en) * | 2005-05-27 | 2006-12-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Method and device for carrying out brake tests in motor vehicles with compressed air brake system |
| RU98813U1 (en) * | 2010-06-17 | 2010-10-27 | Открытое Акционерное Общество "Российские Железные Дороги" | STAND FOR CARRY-IN-TEST TESTING OF RAILWAY RAILWAY CARS |
| CN102012321A (en) * | 2010-11-17 | 2011-04-13 | 北京高铁三瑞电子技术有限公司 | System and method for monitoring performance of air brake of rail train |
| CN105784390A (en) * | 2016-03-24 | 2016-07-20 | 中车青岛四方车辆研究所有限公司 | Freight car bogie instability/braking integrated test and control system and test method |
| CN111678713A (en) * | 2020-06-10 | 2020-09-18 | 中车青岛四方车辆研究所有限公司 | Antiskid test platform and test method |
Non-Patent Citations (2)
| Title |
|---|
| 应之丁 等.车辆动态制动试验仿真系统研究.铁道机车车辆.2021,第41卷(第5期),第187-193页. * |
| 张波.重载组合列车牵引及制动系统的试验与仿真研究.中国博士学位论文全文数据库工程科技Ⅱ辑.2012,(第01期),C033-7. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114459781A (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114459781B (en) | Intelligent train dynamic braking test system and application thereof | |
| CN110794810B (en) | Method for carrying out integrated test on intelligent driving vehicle | |
| CN104020675B (en) | Train braking hardware-in-the-loop simulation testing stand and method | |
| CN109002034B (en) | Test system and test method for urban rail vehicle frame control system | |
| CN101916311B (en) | Model development and simulation test system and method for rail transit automatic pilot system | |
| CN109883738B (en) | High-speed train braking system detection test bench | |
| CN201051254Y (en) | Train environment simulator for city track traffic signal system | |
| CN101430738A (en) | Implementing method for signal system traffic simulator suitable for testing environment | |
| CN108008719B (en) | Closed-loop control test device and test method for urban rail train electronic brake control unit | |
| CN107479402A (en) | Electric braking simulation system, Simulation of Brake platform and electric braking analogy method | |
| CN110046833A (en) | A kind of traffic congestion auxiliary system virtual test system | |
| CN105352741A (en) | Brake performance evaluation method based on virtual road load conditions and system thereof | |
| CN114115200B (en) | NVH (noise and harshness) testing system and testing method for electric drive assembly of electric automobile | |
| CN207440610U (en) | Automobile steering braking emulation testing testing stand | |
| CN215931296U (en) | Railway train semi-physical simulation test bed | |
| CN106406124A (en) | Adhesion control program's automatic and rapid online testing method and testing module | |
| CN101756706A (en) | Driving-situation awareness measuring system | |
| JP3084904B2 (en) | Railway vehicle test apparatus and method | |
| CN113359683B (en) | Test system and test method for vehicle control brake control system of urban rail vehicle | |
| CN113532884B (en) | Intelligent driving and ADAS system test platform and test method | |
| CN105788441B (en) | A kind of actual training device for Braking System for Multiple Units teaching | |
| CN109443808B (en) | Vehicle brake intelligent test system interface device | |
| CN111649959A (en) | Throttle control device for vehicle performance test development | |
| CN106525447A (en) | Air pressure brake system's comprehensive performance simulating apparatus and method | |
| CN205981716U (en) | Air braking system comprehensive properties analogue means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |