CN106408685A - System and method for acquiring vibration environment spectrum of traction converter - Google Patents
System and method for acquiring vibration environment spectrum of traction converter Download PDFInfo
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- CN106408685A CN106408685A CN201610877063.4A CN201610877063A CN106408685A CN 106408685 A CN106408685 A CN 106408685A CN 201610877063 A CN201610877063 A CN 201610877063A CN 106408685 A CN106408685 A CN 106408685A
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- 230000001133 acceleration Effects 0.000 claims abstract description 121
- 230000009466 transformation Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- G—PHYSICS
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- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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Abstract
The application discloses a system for acquiring a vibration environment spectrum of a traction converter. The system comprises an acceleration sensor, a data acquisition instrument and a data processing terminal, wherein the acceleration sensor is arranged on the traction converter and is used for detecting acceleration data of the traction converter in real time when a train runs on a preset running route so as to obtain corresponding real-time acceleration data; the data acquisition instrument is used for saving the real-time acceleration data detected by the acceleration sensor in a preset acceleration data base; and the data processing terminal is used for analyzing the data in the acceleration data base, thereby correspondingly obtaining vibration environment spectrum data of the traction converter. The technical scheme disclosed by the application achieves an aim of acquiring the vibration environment spectrum data of the traction converter. Moreover, the application also correspondingly discloses a method for acquiring the vibration environment spectrum of the traction converter.
Description
Technical Field
The invention relates to the technical field of converters, in particular to a system and a method for acquiring a vibration environment spectrum of a traction converter.
Background
At present, the China rail transit industry is in a vigorous development stage, and meanwhile, the rapid development of various rail transit technologies is promoted.
The traction converter is one of rail transit core components, vibration environment data of the traction converter in the running process of a train is obtained, and the traction converter has great significance for forming a vibration environment spectrum which accords with different road conditions and improving the adaptability of the vibration environment and the quality reliability of the traction converter. How to acquire the vibration environment spectrum data of the traction converter is a problem to be solved urgently at present.
Disclosure of Invention
In view of this, the present invention provides a system and a method for acquiring a spectrum of a vibration environment of a traction converter, so as to achieve the purpose of acquiring spectrum data of the vibration environment of the traction converter. The specific scheme is as follows:
a system for obtaining a spectrum of a vibration environment of a traction converter, comprising:
the acceleration sensor is fixed on the traction converter and used for detecting the acceleration data of the traction converter in real time when a train runs on a preset operation line to obtain corresponding real-time acceleration data;
the data acquisition instrument is used for storing the real-time acceleration data detected by the acceleration sensor into a preset acceleration database;
and the data processing terminal is used for analyzing the data in the acceleration database and correspondingly obtaining the vibration environment spectrum data of the traction converter.
Preferably, the system for acquiring a spectrum of a vibration environment further includes:
and the UPS is used for supplying power to the data acquisition instrument and the data processing terminal.
Preferably, the acceleration sensor is a three-axis acceleration sensor.
Preferably, the data processing terminal includes:
and the time-frequency transformation unit is used for performing time-frequency transformation on the data in the acceleration database to obtain the vibration environment spectrum data of the traction converter.
Preferably, the system for acquiring a spectrum of a vibration environment further includes:
the positioning device is used for positioning the traction converter in real time when the train runs on the preset running route to obtain corresponding real-time positioning data;
and the corresponding relation determining module is used for determining the corresponding relation between the real-time positioning data and the vibration environment spectrum data according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
Preferably, the system for acquiring a spectrum of a vibration environment further includes:
the map marking module is used for marking corresponding vibration environment spectrum data on a map position which is positioned on the electronic map and corresponds to the real-time positioning data according to the corresponding relation determined by the corresponding relation determining module to obtain the electronic map with the vibration environment spectrum data;
and the map display module is used for displaying the electronic map carrying the vibration environment spectrum data.
The invention also correspondingly discloses a method for acquiring the vibration environment spectrum of the traction converter, which comprises the following steps:
when the train runs on a preset running circuit, detecting the acceleration data of the traction converter in real time to obtain corresponding real-time acceleration data;
storing the real-time acceleration data detected by the acceleration sensor into a preset acceleration database;
and analyzing the data in the acceleration database, and correspondingly obtaining the vibration environment spectrum data of the traction converter.
Preferably, the process of analyzing the data in the acceleration database includes:
and carrying out time-frequency transformation on the data in the acceleration database.
Preferably, the method for acquiring a spectrum of a vibration environment further includes:
when the train runs on the preset running route, the traction converter is positioned in real time to obtain corresponding real-time positioning data;
and determining the corresponding relation between the real-time positioning data and the vibration environment spectrum data according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
Preferably, the method for acquiring a spectrum of a vibration environment further includes:
according to the corresponding relation between the real-time positioning data and the vibration environment spectrum data, marking corresponding vibration environment spectrum data on a map position, corresponding to the real-time positioning data, on the electronic map to obtain the electronic map carrying the vibration environment spectrum data;
and displaying the electronic map carrying the vibration environment spectrum data.
In the present invention, a vibration environment spectrum acquisition system includes: the acceleration sensor is fixed on the traction converter and used for detecting the acceleration data of the traction converter in real time when a train runs on a preset operation line to obtain corresponding real-time acceleration data; the data acquisition instrument is used for storing the real-time acceleration data detected by the acceleration sensor into a preset acceleration database; and the data processing terminal is used for analyzing the data in the acceleration database and correspondingly obtaining the vibration environment spectrum data of the traction converter. Therefore, when a train runs on a preset running circuit, real-time acceleration data of a traction converter on the train is detected through an acceleration sensor fixed on the traction converter, then the data detected by the acceleration sensor is collected and stored in an acceleration database through a data collector, and the data in the acceleration database is analyzed through a data processing terminal, so that vibration environment spectrum data of the traction converter can be obtained, and the aim of obtaining the vibration environment spectrum data of the traction converter is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vibration environment spectrum acquisition system of a traction converter according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for acquiring a vibration environment spectrum of a traction converter according to an embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The embodiment of the invention discloses a vibration environment spectrum acquisition system of a traction converter, which is shown in figure 1 and comprises an acceleration sensor 11, a data acquisition instrument 12 and a data processing terminal 13, wherein the acceleration sensor 11, the data acquisition instrument 12 and the data processing terminal are fixed on the traction converter; wherein,
and the acceleration sensor 11 is used for detecting the acceleration data of the traction converter in real time when the train runs on a preset running circuit to obtain corresponding real-time acceleration data.
The train in the embodiment refers to a rail vehicle, such as a Chinese standard motor train unit, an intercity train, a subway and the like.
It is understood that the preset operation circuit is a preset operation circuit, and is generally a preset operation circuit which needs to be studied for the vibration environment.
In order to further improve the automation degree of the vibration environment spectrum acquisition process in the embodiment of the present invention, the embodiment of the present invention may further include a sensor trigger device, configured to receive real-time positioning data related to a current train location in real time, and then determine whether the current train is driving into the preset running route by using the real-time positioning data and a corresponding electronic map, if so, generate a corresponding sensor trigger signal, and send the sensor trigger signal to the acceleration sensor, so as to control the acceleration sensor to be turned on by using the sensor trigger signal.
In addition, it should be further described that the number of acceleration sensors in the vibration environment spectrum acquisition system in the present embodiment is not limited to one, and may be two or more, and in the present embodiment, it is preferable that all the acceleration sensors are uniformly fixed to the traction converter, respectively. For example, in the present embodiment, 5 acceleration sensors may be uniformly arranged on the mounting base of one traction converter in a bonding fixing manner, so that 5 parts of acceleration data may be obtained simultaneously in one train operation process, and it can be understood that in one train operation process in the present embodiment, if the number of the obtained acceleration data is more, the vibration environment spectrum data corresponding to the operation process obtained subsequently is more accurate. Meanwhile, a cable connected with the acceleration sensor can be fixed on a mounting base of the traction converter in a bonding mode, so that interference of vibration of the cable on normal operation of the acceleration sensor in a data detection process is avoided. Secondly, the acceleration sensor used in the embodiment needs to be checked in advance according to factory setting requirements, so as to ensure that the acceleration sensor has no null shift phenomenon.
And the data acquisition instrument 12 is used for storing the real-time acceleration data detected by the acceleration sensor 11 into a preset acceleration database.
It is understood that the data collector 12 in this embodiment is for recording and storing the data detected by the acceleration sensor, so as to perform subsequent analysis processing by using the stored data.
And the data processing terminal 13 is used for analyzing the data in the acceleration database and correspondingly obtaining the vibration environment spectrum data of the traction converter.
That is, after the acceleration data is collected, the collected acceleration data is analyzed and processed through the data processing terminal 13, so that the vibration environment spectrum data of the traction converter is obtained.
In this embodiment, the data processing terminal 13 may be a notebook computer or a desktop computer installed on the train, and of course, the data processing terminal 13 in this embodiment may also be a mobile intelligent terminal, such as a smart phone. In this embodiment, if the data processing terminal 13 is a notebook computer or a desktop computer, the data transmission mode between the data acquisition instrument 12 and the data processing terminal 13 may be a serial communication mode, or the data stored in the data acquisition instrument 12 may be transmitted to the data processing terminal through a wireless communication mode, such as a wifi communication mode, a bluetooth communication mode, etc., which requires that a corresponding wifi communication module or a bluetooth communication module is installed on the data acquisition instrument 12 in advance. If the data processing terminal 13 is a mobile intelligent terminal, the data acquisition instrument 12 may send data to the data processing terminal 13 through a mobile communication technology, which requires that a corresponding mobile communication module, such as a 3G communication module, a 4G communication module, etc., be installed on the data acquisition instrument 12 in advance.
It should be noted that in the embodiment of the present invention, in the process that the data acquisition instrument 12 is storing the real-time acceleration data detected by the acceleration sensor 11 in real time, the data processing terminal 13 may retrieve the corresponding data from the acceleration database in real time, and then analyze and process the retrieved data in real time, so as to quickly obtain the real-time vibration environment spectrum data of the traction converter. Of course, in the embodiment of the present invention, after the acceleration data storage operation of the data acquisition instrument 12 is completely finished, the data processing terminal 13 may retrieve corresponding data from the acceleration database, and then analyze and process the retrieved data, so as to obtain the vibration environment spectrum data of the traction converter.
In order to further improve the accuracy of the vibration environment spectrum data corresponding to the preset operation line, the embodiment of the invention can enable the train to repeatedly run on the preset operation line for multiple times, and each time of running obtains a corresponding group of acceleration data, so that multiple groups of acceleration data can be obtained. For example, the train may be repeatedly driven 6 times on the preset operation route, so that 6 sets of acceleration data may be obtained, then 6 sets of vibration environment spectrum data corresponding to the 6 sets of acceleration data may be obtained through the data processing terminal 13, and then data closer to the actual vibration environment spectrum data of the preset operation route may be determined based on the 6 sets of vibration environment spectrum data.
In the embodiment of the invention, when a train runs on a preset running circuit, real-time acceleration data of a traction converter on the train is detected by an acceleration sensor fixed on the traction converter, then the data detected by the acceleration sensor is collected and stored in an acceleration database by a data collector, and the data in the acceleration database is analyzed by a data processing terminal, so that the vibration environment spectrum data of the traction converter can be obtained, and the aim of obtaining the vibration environment spectrum data of the traction converter is fulfilled.
The embodiment of the invention discloses a specific system for acquiring a vibration environment spectrum of a traction converter, and compared with the previous embodiment, the embodiment further explains and optimizes the technical scheme. Specifically, the method comprises the following steps:
in order to improve the external interference immunity of the vibration environment spectrum acquisition system in the previous embodiment, the vibration environment spectrum acquisition system in this embodiment may further include: and the UPS (uninterrupted Power supply) is used for supplying Power to the data acquisition instrument and the data processing terminal.
It should be further noted that the acceleration sensor in the previous embodiment preferably adopts a three-axis acceleration sensor.
In addition, the data processing terminal in the previous embodiment may specifically obtain the vibration environment spectrum data based on time-frequency transformation. That is, the data processing terminal may specifically include: and the time-frequency transformation unit is used for performing time-frequency transformation on the data in the acceleration database to obtain the vibration environment spectrum data of the traction converter.
Further, the system for acquiring a spectrum of a vibration environment in this embodiment may further include a positioning device and a correspondence determining module; wherein,
the positioning device is used for positioning the traction converter in real time when the train runs on a preset running route to obtain corresponding real-time positioning data;
and the corresponding relation determining module is used for determining the corresponding relation between the real-time positioning data and the vibration environment spectrum data according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
After determining the corresponding relationship between the real-time positioning data and the vibration environment spectrum data, in order to vividly display the vibration environment spectrum data corresponding to different positions on the preset operation line in the electronic map, the vibration environment spectrum acquisition system in the embodiment may further include a map labeling module and a map display module; wherein,
the map marking module is used for marking corresponding vibration environment spectrum data on a map position which is positioned on the electronic map and corresponds to the real-time positioning data according to the corresponding relation determined by the corresponding relation determining module to obtain the electronic map with the vibration environment spectrum data;
and the map display module is used for displaying the electronic map carrying the vibration environment spectrum data.
Correspondingly, the embodiment of the invention also discloses a method for acquiring the vibration environment spectrum of the traction converter, and as shown in fig. 2, the method comprises the following steps:
step S21: when the train runs on a preset running circuit, detecting acceleration data of the traction converter in real time to obtain corresponding real-time acceleration data;
step S22: storing real-time acceleration data detected by an acceleration sensor into a preset acceleration database;
step S23: and analyzing the data in the acceleration database, and correspondingly obtaining the vibration environment spectrum data of the traction converter.
In the embodiment of the invention, when a train runs on a preset running circuit, real-time acceleration data of a traction converter on the train is detected by an acceleration sensor fixed on the traction converter, then the data detected by the acceleration sensor is collected and stored in an acceleration database by a data collector, and the data in the acceleration database is analyzed by a data processing terminal, so that the vibration environment spectrum data of the traction converter can be obtained, and the aim of obtaining the vibration environment spectrum data of the traction converter is fulfilled.
Specifically, in step S23, the process of analyzing the data in the acceleration database includes: and carrying out time-frequency transformation on the data in the acceleration database to obtain the vibration environment spectrum data of the traction converter.
Further, the method for obtaining a spectrum of a vibration environment in this embodiment may further include:
when the train runs on a preset running line, the traction converter is positioned in real time to obtain corresponding real-time positioning data, and then the corresponding relation between the real-time positioning data and the vibration environment spectrum data is determined according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
After determining the corresponding relationship between the real-time positioning data and the spectrum data of the vibration environment, in order to vividly display the spectrum data of the vibration environment corresponding to different positions on the preset operation line in the electronic map, the method for acquiring the spectrum of the vibration environment in the embodiment may further include:
according to the corresponding relation between the real-time positioning data and the vibration environment spectrum data, corresponding vibration environment spectrum data are marked on the map position, corresponding to the real-time positioning data, on the electronic map, so that the electronic map with the vibration environment spectrum data is obtained, and then the electronic map with the vibration environment spectrum data is displayed.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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 system and the method for acquiring the vibration environment spectrum of the traction converter provided by the invention are described in detail, a specific example is applied in the system to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A system for obtaining a spectrum of a vibration environment of a traction converter, comprising:
the acceleration sensor is fixed on the traction converter and used for detecting the acceleration data of the traction converter in real time when a train runs on a preset operation line to obtain corresponding real-time acceleration data;
the data acquisition instrument is used for storing the real-time acceleration data detected by the acceleration sensor into a preset acceleration database;
and the data processing terminal is used for analyzing the data in the acceleration database and correspondingly obtaining the vibration environment spectrum data of the traction converter.
2. The system for acquiring a spectrum of a vibration environment of a traction converter according to claim 1, further comprising:
and the UPS is used for supplying power to the data acquisition instrument and the data processing terminal.
3. The system for acquiring spectrum of vibration environment of traction converter according to claim 1, wherein said acceleration sensor is a three-axis acceleration sensor.
4. The system of claim 1, wherein the data processing terminal comprises:
and the time-frequency transformation unit is used for performing time-frequency transformation on the data in the acceleration database to obtain the vibration environment spectrum data of the traction converter.
5. The system for acquiring a spectrum of a vibration environment of a traction converter according to any one of claims 1 to 4, further comprising:
the positioning device is used for positioning the traction converter in real time when the train runs on the preset running route to obtain corresponding real-time positioning data;
and the corresponding relation determining module is used for determining the corresponding relation between the real-time positioning data and the vibration environment spectrum data according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
6. The system for acquiring a spectrum of a vibration environment of a traction converter according to claim 5, further comprising:
the map marking module is used for marking corresponding vibration environment spectrum data on a map position which is positioned on the electronic map and corresponds to the real-time positioning data according to the corresponding relation determined by the corresponding relation determining module to obtain the electronic map with the vibration environment spectrum data;
and the map display module is used for displaying the electronic map carrying the vibration environment spectrum data.
7. A method for obtaining a vibration environment spectrum of a traction converter is characterized by comprising the following steps:
when the train runs on a preset running circuit, detecting the acceleration data of the traction converter in real time to obtain corresponding real-time acceleration data;
storing the real-time acceleration data detected by the acceleration sensor into a preset acceleration database;
and analyzing the data in the acceleration database, and correspondingly obtaining the vibration environment spectrum data of the traction converter.
8. The method for acquiring the spectrum of the vibration environment of the traction converter according to claim 7, wherein the analyzing the data in the acceleration database comprises:
and carrying out time-frequency transformation on the data in the acceleration database.
9. The method for acquiring the spectrum of the vibration environment of the traction converter according to claim 7 or 8, further comprising:
when the train runs on the preset running route, the traction converter is positioned in real time to obtain corresponding real-time positioning data;
and determining the corresponding relation between the real-time positioning data and the vibration environment spectrum data according to the corresponding relation between the real-time acceleration data and the real-time positioning data and the corresponding relation between the real-time acceleration data and the vibration environment spectrum data.
10. The method for acquiring a spectrum of a vibration environment of a traction converter according to claim 9, further comprising:
according to the corresponding relation between the real-time positioning data and the vibration environment spectrum data, marking corresponding vibration environment spectrum data on a map position, corresponding to the real-time positioning data, on the electronic map to obtain the electronic map carrying the vibration environment spectrum data;
and displaying the electronic map carrying the vibration environment spectrum data.
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| CN201610877063.4A CN106408685A (en) | 2016-10-08 | 2016-10-08 | System and method for acquiring vibration environment spectrum of traction converter |
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| CN201610877063.4A CN106408685A (en) | 2016-10-08 | 2016-10-08 | System and method for acquiring vibration environment spectrum of traction converter |
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