CN114670905A - Train running resistance testing method, related assembly and train - Google Patents
Train running resistance testing method, related assembly and train Download PDFInfo
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- CN114670905A CN114670905A CN202210409137.7A CN202210409137A CN114670905A CN 114670905 A CN114670905 A CN 114670905A CN 202210409137 A CN202210409137 A CN 202210409137A CN 114670905 A CN114670905 A CN 114670905A
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- 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
Abstract
The invention discloses a train running resistance testing method, a related assembly and a train, and relates to the field of train control, wherein the train running resistance testing method is used for testing the running resistance of the train, controlling the train to enter an idle state when the train runs to a preset speed, and acquiring running resistance testing data when the running speed of the train is reduced to a preset testing speed; and stopping collecting and storing the collected running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal. Therefore, manual operation or data acquisition is not needed in the method, the train is controlled to enter the inert state, the running speed of the train is reduced to the preset test speed, the running resistance test data are automatically acquired through triggering, the running speed range required by the test is covered, the probability of missed mining and wrong mining is low, the test efficiency is high, human resources are saved, and the test success rate is high.
Description
Technical Field
The invention relates to the field of train control, in particular to a train running resistance testing method, a related assembly and a train.
Background
In order to ensure that a train can normally run, the running resistance of the train during coasting is usually tested, and the train needs to run back and forth on a straight track when the running resistance of the train is tested. In the running resistance test in the prior art, the operator in the cab manually controls the running of the train and communicates with the data acquisition personnel, and the data acquisition personnel acquire data according to the instruction of the operator so as to test the running resistance.
However, in the prior art, the running resistance test methods are manual operation and manual data acquisition, so that when an operator controls the train to run down, the operator may fail to accurately control the train due to manual operation errors, and data is missed; and data acquisition personnel gather data according to the instruction that sends when operating personnel observes the current functioning speed of the train of screen display, there is certain time delay and error when the functioning speed of screen display train on the one hand, can lead to data acquisition personnel to gather more probably, miss collection or gather data by mistake, lead to taking up in a large number of storage space, increase data processing's the degree of difficulty, and operating personnel and data acquisition personnel link up because there is certain delay and external disturbance when communicating, can influence data acquisition's efficiency equally, lead to the success rate of running resistance test lower.
Disclosure of Invention
The invention aims to provide a train running resistance testing method, a related assembly and a train, which do not need manual operation or data acquisition, reduce the running speed of the train to a preset test speed by controlling the train to enter an inert state, automatically trigger the acquisition of running resistance testing data, cover the running speed range required by a test, have low probability of missed mining and wrong mining, have high testing efficiency, save human resources and have high testing success rate.
In order to solve the technical problem, the invention provides a method for testing the running resistance of a train, which comprises the following steps:
controlling the train to enter a coasting state when the train runs to a preset speed, wherein the preset speed is greater than a preset test speed;
collecting running resistance test data when the running speed of the train is reduced to the preset test speed;
and stopping the collection of the running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal, and storing the collected running resistance test data.
Preferably, the train comprises:
the high-voltage circuit breaker is arranged between the power supply system and the traction system and is used for powering off the traction system of the train when the high-voltage circuit breaker is disconnected;
the control handle is used for controlling the train to enter the coasting state when the control handle is set to the coasting position;
when the train runs to the preset speed, the train is controlled to enter the coasting state, and the method comprises the following steps:
and when the train runs to the preset speed, the high-voltage circuit breaker is controlled to be disconnected, and the control handle is controlled to the coasting position, so that the train enters the coasting state.
Preferably, before collecting the running resistance test data when the running speed of the train is reduced to the preset test speed, the method further comprises:
judging whether the high-voltage circuit breaker is disconnected and whether the control handle is set to the idle position;
if yes, controlling the data acquisition equipment to be activated;
collecting running resistance test data when the running speed of the train is reduced to the preset test speed, wherein the data comprises the following steps:
and when the running speed of the train is reduced to the preset test speed, starting to acquire the running resistance test data through the data acquisition equipment.
Preferably, before the train reaches a preset end point, or when the running speed of the train is reduced to 0 before the train reaches the preset end point, the method further includes the steps of:
judging whether the train reaches the preset terminal;
and if so, controlling the train to brake, stopping the acquisition of the running resistance test data, and storing the acquired running resistance test data.
Preferably, after determining whether the train reaches the preset end point, the method further includes:
if the preset end point is not reached, judging whether the running speed of the train is 0 or not;
if the running speed of the train is not 0, returning to the step of judging whether the train reaches the preset terminal;
and if the running speed of the train is 0, stopping the collection of the running resistance test data, and storing the collected running resistance test data.
Preferably, before controlling the train braking, the method further comprises:
acquiring a preset terminal speed of the train at the preset terminal;
when the train moves to the preset speed, the train is controlled to enter the coasting state, and before the preset speed is greater than the preset test speed, the method further comprises the following steps:
determining the preset test speed based on the preset terminal speed and the preset test expected speed of the train in the last test;
determining the preset speed based on the preset test speed.
In order to solve the technical problem, the invention provides a train running resistance test system, which comprises:
the control unit is used for controlling the train to enter an idle state when the train runs to a preset speed, and the preset speed is greater than a preset test speed;
the first data processing and collecting unit is used for collecting running resistance test data when the running speed of the train is reduced to the preset test speed;
and the second data acquisition unit is used for stopping the acquisition of the running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal, and storing the acquired running resistance test data.
In order to solve the above technical problem, the present invention provides a train running resistance testing apparatus, comprising:
a memory for storing a computer program;
and the processor is used for realizing the steps of the train running resistance testing method when the computer program is executed.
In order to solve the above technical problem, the present invention provides a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the train operation resistance testing method as described above.
In order to solve the technical problem, the invention provides a train, which comprises the train running resistance testing device.
The invention discloses a train running resistance testing method, a related assembly and a train, and relates to the field of train control, wherein the train running resistance testing method is used for testing the running resistance of the train, controlling the train to enter a coasting state when the train runs to a preset speed, and acquiring running resistance testing data when the running speed of the train is reduced to a preset testing speed; and stopping collecting and storing the collected running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal. Therefore, manual operation or data acquisition is not needed in the method, the train is controlled to enter the inert state, the running speed of the train is reduced to the preset test speed, the running resistance test data are automatically acquired through triggering, the running speed range required by the test is covered, the probability of missed mining and wrong mining is low, the test efficiency is high, human resources are saved, and the test success rate is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart of a train running resistance testing method provided by the invention;
FIG. 2 is a schematic flow chart of a method for testing train running resistance according to the present invention;
FIG. 3 is a schematic structural diagram of a train operation resistance testing system provided by the present invention;
fig. 4 is a schematic structural diagram of a train running resistance testing device provided by the invention.
Detailed Description
The core of the invention is to provide a train running resistance testing method, related components and a train, which do not need manual operation or data acquisition, and reduce the running speed of the train to the preset test speed by controlling the train to enter an inert state, thereby automatically triggering the acquisition of the running resistance testing data, not only covering the running speed range required by the test, but also having lower probability of missed mining and wrong mining, higher testing efficiency, saving human resources and higher testing success rate.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for testing train running resistance according to the present invention, the method includes:
s11: controlling the train to enter a coasting state when the train runs to a preset speed, wherein the preset speed is greater than a preset test speed;
the applicant considers that in the prior art, when the running resistance of a train is tested, the train is usually manually controlled and data is manually acquired, and the situations of untimely control, inaccurate data acquisition, missing acquisition of useful data or excessive acquisition of useless data caused by manual errors inevitably occur during manual control and manual data acquisition, so that the test efficiency is reduced, and the complexity of data processing is improved.
In order to solve the technical problem, in the application, when the running speed of the train reaches the preset speed which is greater than the preset test speed, the train is controlled to enter the coasting state, namely, the train is controlled to slide by the inertia of the train, so that the running resistance met when the train coasts is tested.
In addition, the train enters the coasting state by setting the triggering speed when the train enters the coasting state, namely the preset speed is set to be greater than the preset test speed, and the train enters the coasting state before reaching the preset test speed, so that the train can start to acquire the running resistance test data when reaching the preset test speed, the complete acquisition of the running resistance test data is ensured, and the missed acquisition of the data is also avoided.
S12: collecting running resistance test data when the running speed of the train is reduced to a preset test speed;
when the train coasts, the train slides completely by means of inertia, the running speed of the train can be gradually reduced due to the existence of running resistance, and when the running speed of the train is reduced from the preset speed to the preset test speed, the running resistance test data of the train is collected, so that the running resistance data can be analyzed according to the running resistance test data.
S13: and stopping the collection of the running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal, and storing the collected running resistance test data.
Because the train is in the state of coasting when experimental, the train can reduce functioning speed because of the existence of running resistance, but when predetermineeing experimental speed great, and the distance of the straight-line straight way of train current operation is short, in order to avoid the train to move and not stop when the terminal point of straight-line straight way, continue to move on non-straight-line straight way on the contrary, cause the many collections to the running resistance test data of train, the terminal point has been set up predeterminedly in this application, the functioning speed of train when the train moves to the predetermined terminal point that sets up is not yet 0, then directly stop the collection to running resistance test data this moment, with the accuracy of guaranteeing data acquisition, avoid the mistake of data to adopt and adopt more.
In addition, because the train is in the coasting state, if the preset speed is low, the running speed of the train may be reduced to 0 before the train runs to the preset end point, and at this time, in order to avoid collecting more useless data, the collection of the running resistance test data is stopped, and the collected running resistance test data is stored.
Referring to fig. 2, fig. 2 is a specific flow chart of a train running resistance testing method provided by the present invention.
In a preferred embodiment, the train comprises a high voltage circuit breaker arranged between the power supply system and the traction system for de-energizing the traction system of the train when disconnected; the control handle is used for controlling the train to enter a coasting state when the control handle is set to a coasting position; therefore, when the train is controlled to enter the coasting state when the train runs to the preset speed, the high-voltage circuit breaker can be controlled to be disconnected when the train runs to the preset speed, and the control handle is controlled to the coasting position, so that the train enters the coasting state. The control handle of the train is controlled to be in the idle state, meanwhile, the traction system is prevented from being electrified to pull the train, the train is completely in the idle state, the train only runs under the action of running resistance, and the accuracy of running resistance test data acquisition is guaranteed.
In addition, before acquiring running resistance test data when the running speed of the train is reduced to a preset test speed, judging whether the high-voltage circuit breaker is disconnected and whether the control handle is set to a coasting position or not can be included but not limited; if yes, controlling the data acquisition equipment to be activated; gather operating resistance test data when the functioning speed of train reduces to predetermineeing experimental speed, include: and when the running speed of the train is reduced to a preset test speed, starting to acquire running resistance test data through the data acquisition equipment. In order to guarantee the accuracy and the timely collection of the running resistance test data, the data acquisition equipment is controlled to be activated firstly when the high-voltage circuit breaker is switched off and the control handle is set to the idle position, namely the data acquisition equipment enters a data acquisition preparation state, but data acquisition is not carried out, the data acquisition equipment starts to acquire the running resistance test data when the running speed of the train is reduced to a preset test speed, and the accuracy and the integrity of the acquired running resistance test data are guaranteed. In addition, the two judgment results of the disconnection of the high-voltage circuit breaker and the setting of the control handle to the coasting position are subjected to AND logic, so that the data acquisition equipment is controlled to be activated after the train completely enters the coasting state, error data are prevented from being acquired when the train does not enter the coasting state, and the accuracy of data acquisition is further ensured.
In conclusion, manual operation or data acquisition is not needed in the application, the train is controlled to enter the inert state, the running speed of the train is reduced to the preset test speed, and therefore the running speed range required by the test is covered, the probability of missed mining and wrong mining is low, the test efficiency is high, human resources are saved, and the test success rate is high.
On the basis of the above-described embodiment:
as a preferred embodiment, before the train reaches the preset terminal, or the train stops collecting the running resistance test data when the running speed of the train is reduced to 0 before reaching the preset terminal, and the collected running resistance test data is saved, the method further comprises:
judging whether the train reaches a preset terminal point;
and if so, controlling the train to brake, stopping the acquisition of the running resistance test data, and storing the acquired running resistance test data.
The applicant considers that in the prior art, when a train runs to a preset terminal point in a coasting state, the running speed of the train may not be 0, and the running resistance test data of the train does not need to be collected any more after the train runs to exceed the preset terminal point, so as to avoid resource waste and excessive data collection.
After judging whether the train reaches the preset terminal, the method may further include, but is not limited to: if the preset terminal point is not reached, judging whether the running speed of the train is 0 or not; if the running speed of the train is not 0, returning to the step of judging whether the train reaches the preset end point; and if the running speed of the train is 0, stopping the collection of the running resistance test data, and storing the collected running resistance test data.
The applicant considers that when the preset speed is low, the running speed of the train may be reduced to 0 when the train does not reach the preset terminal point after entering the coasting state, and at this time, in order to avoid acquiring more useless data and improve the complexity of data processing, the acquisition of the running resistance test data is stopped, and the acquired running resistance test data is stored.
In addition, if the running speed of the train is not 0 before the train reaches the preset terminal, the train still runs, and whether the train reaches the preset speed or not is continuously judged, so that the integrity of the train running resistance test data acquisition is ensured, and the missing acquisition of the data is avoided.
It should be noted that before controlling the train to brake, the method further includes acquiring a preset terminal speed of the train at a preset terminal; the method comprises the steps that a preset terminal speed of a train when the train runs to a preset terminal is determined, the train can be controlled to enter an idle state when the train runs to the preset speed without limitation, and before the preset speed is larger than a preset test speed, the preset test speed is determined based on the preset terminal speed of the train during the last test and a preset test expected speed; the preset speed is determined based on the preset trial speed.
Based on the above description, in order to ensure that the running speed of the train in the current test completely covers the running speed range required by the current test, the trigger speed when the train enters the coasting state is set to be a preset speed greater than the determined preset test speed, and when the preset test speed is set, the trigger speed is set according to the preset test expected speed in the current test set by the user in advance, and the preset terminal speed when the train runs to the preset terminal point in the last test is also considered, so that the user can properly adjust the preset test speed to be greater than the preset test expected speed when the preset terminal speed when the train runs to the preset terminal point in the last test is greater than the preset test expected speed in the current test, so as to ensure that the running resistance of each running speed of the train can be covered and tested, and ensure the integrity and accuracy of the test.
It should also be noted that, in the present application, considering the limitation of the distance of the straight lane, a plurality of tests are performed back and forth on the straight lane, and specifically, for example, the maximum preset test speed is set in the first test, and the preset test speed in the first test is less than the maximum running speed of the train, therefore, the train is controlled to run to the maximum running speed firstly during the first test, the train is immediately controlled to enter the coasting state, and controls the data acquisition equipment to be activated, when the running speed of the train is reduced to the preset test speed of the first test, the data acquisition equipment acquires the running resistance test data of the train, when the train runs to a preset end point determined by the first test, determining a preset end point speed of the train in the first test, controlling the train to brake, stopping collecting the running resistance test data, and storing the train running resistance test data collected in the first test; when the preset test speed in the second test is determined, a user can set the preset test expected speed by himself, then the preset test speed in the second test is determined according to the preset terminal speed in the first test, the train is controlled to run to the preset speed which is higher than the preset test speed in the second test when the second test is started, the train is immediately controlled to enter the idle state, the data acquisition equipment is controlled to be activated, the running resistance test data of the train are acquired through the data acquisition equipment when the running speed of the train is reduced to the preset test speed in the second test, the preset terminal speed in the second test of the train is determined when the train runs to the preset terminal speed set in the second test, the train is controlled to brake and stop acquiring the running resistance test data, and the running resistance test data of the train acquired in the second test are stored, and if the train reaches 0 before reaching the preset end point speed determined by the second test in the second test, directly stopping collecting the running resistance test data, and storing the train running resistance test data collected in the second test.
In addition, the preset endpoints set in different tests in the present application may be different.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a train running resistance testing system provided in the present invention, the system includes:
the control unit 31 is used for controlling the train to enter an idle state when the train runs to a preset speed, and the preset speed is greater than a preset test speed;
the first data processing and collecting unit 32 is used for collecting running resistance test data when the running speed of the train is reduced to a preset test speed;
and a second data collecting unit 33, configured to stop collecting the running resistance test data when the train reaches the preset end point, or the running speed of the train is reduced to 0 before the train reaches the preset end point, and store the collected running resistance test data.
For the introduction of the train operation resistance testing system provided by the present invention, please refer to the above method embodiment, and the present invention is not described herein again.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a train running resistance testing device provided by the present invention, the device includes:
a memory 41 for storing a computer program;
and a processor 42 for implementing the steps of the train operation resistance testing method when executing the computer program.
For the introduction of the train running resistance testing device provided by the present invention, please refer to the above method embodiment, and the present invention is not described herein again.
The computer readable storage medium in the present invention stores thereon a computer program, which when executed by the processor 42, implements the steps of the train running resistance testing method as described above.
For the introduction of the computer-readable storage medium provided by the present invention, please refer to the above method embodiments, which are not repeated herein.
In order to solve the technical problem, the invention provides a train, which comprises the train running resistance testing device.
For the train introduction provided by the present invention, please refer to the above method embodiment, and the present invention is not repeated herein.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A train running resistance testing method is characterized by comprising the following steps:
controlling the train to enter an idle state when the train runs to a preset speed, wherein the preset speed is greater than a preset test speed;
collecting running resistance test data when the running speed of the train is reduced to the preset test speed;
and stopping the collection of the running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal, and storing the collected running resistance test data.
2. The method for testing the running resistance of a train according to claim 1, wherein the train comprises:
the high-voltage circuit breaker is arranged between the power supply system and the traction system and is used for powering off the traction system of the train when the high-voltage circuit breaker is disconnected;
the control handle is used for controlling the train to enter the coasting state when the control handle is set to the coasting position;
when the train runs to the preset speed, the train is controlled to enter the coasting state, and the method comprises the following steps:
and when the train runs to the preset speed, the high-voltage circuit breaker is controlled to be disconnected, and the control handle is controlled to the coasting position, so that the train enters the coasting state.
3. The train operation resistance testing method according to claim 2, further comprising, before collecting operation resistance test data when the operation speed of the train is reduced to the preset test speed:
judging whether the high-voltage circuit breaker is disconnected and whether the control handle is set to the idle position;
if yes, controlling the data acquisition equipment to be activated;
collecting running resistance test data when the running speed of the train is reduced to the preset test speed, wherein the data comprises the following steps:
and when the running speed of the train is reduced to the preset test speed, starting to acquire the running resistance test data through the data acquisition equipment.
4. The train operation resistance testing method according to any one of claims 1 to 3, further comprising, before the train reaches a preset terminal, or when the train decreases in operation speed to 0 before reaching the preset terminal, stopping the collection of the operation resistance test data, and storing the collected operation resistance test data:
judging whether the train reaches the preset terminal;
and if so, controlling the train to brake, stopping the acquisition of the running resistance test data, and storing the acquired running resistance test data.
5. The method for testing train running resistance according to claim 4, wherein after determining whether the train reaches the preset terminal, the method further comprises:
if the preset terminal point is not reached, judging whether the running speed of the train is 0 or not;
if the running speed of the train is not 0, returning to the step of judging whether the train reaches the preset terminal;
and if the running speed of the train is 0, stopping the collection of the running resistance test data, and storing the collected running resistance test data.
6. The method for testing train running resistance according to claim 4, wherein before controlling the train braking, the method further comprises:
acquiring a preset terminal speed of the train at the preset terminal;
when the train moves to the preset speed, the train is controlled to enter the coasting state, and before the preset speed is greater than the preset test speed, the method further comprises the following steps:
determining the preset test speed based on the preset terminal speed and the preset test expected speed of the train in the last test;
determining the preset speed based on the preset test speed.
7. A train running resistance test system, comprising:
the control unit is used for controlling the train to enter an idle state when the train runs to a preset speed, and the preset speed is greater than a preset test speed;
the first data processing and collecting unit is used for collecting running resistance test data when the running speed of the train is reduced to the preset test speed;
and the second data acquisition unit is used for stopping the acquisition of the running resistance test data when the train reaches a preset terminal or the running speed of the train is reduced to 0 before the train reaches the preset terminal, and storing the acquired running resistance test data.
8. A train running resistance testing device is characterized by comprising:
a memory for storing a computer program;
a processor for implementing the steps of the train operation resistance testing method according to any one of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the train running resistance testing method according to any one of claims 1 to 6.
10. A train comprising the train running resistance test device according to claim 8.
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| CN202210409137.7A CN114670905A (en) | 2022-04-19 | 2022-04-19 | Train running resistance testing method, related assembly and train |
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| CN202210409137.7A CN114670905A (en) | 2022-04-19 | 2022-04-19 | Train running resistance testing method, related assembly and train |
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