CN105634858B - For detecting the test macro of braking gate performance - Google Patents
For detecting the test macro of braking gate performance Download PDFInfo
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- CN105634858B CN105634858B CN201410712424.0A CN201410712424A CN105634858B CN 105634858 B CN105634858 B CN 105634858B CN 201410712424 A CN201410712424 A CN 201410712424A CN 105634858 B CN105634858 B CN 105634858B
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Abstract
The present invention provides a kind of for detecting the test macro of braking gate performance, after tester receives the MVB bus and/or HDLC bus test request command of computer transmission, test data is sent to braking gateway by the port MVB and/or the port HDLC, and according to the performance of corresponding first parameter information of feedback information of braking gateway and the second parameter information corresponding with test data detection braking gateway.Performance so as to the detection braking gateway of convenience and high-efficiency improves the reliability of locomotive operation to find existing security risk in time.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication testing, in particular to a testing system for detecting the performance of a brake gateway.
Background
In recent years, railways in China keep developing rapidly, and an HXD3D type electric locomotive is an alternating-current transmission six-shaft main line passenger transport type electric locomotive, is a passenger transport type locomotive with the grade of 200km, has the maximum continuous operation speed of 160km/h and 7200KW, and is one of the passenger transport type locomotives with the maximum power in China at present. The HXD3D locomotive can relieve the tension of the full-road quasi-high-speed locomotive and fill the blank of the practical application of the alternating current transmission high-power locomotive in the quasi-high-speed range in China. Will gradually replace the traditional Shaoshan type electric locomotive.
The locomotive is provided with the most advanced electronic control brake system, the buffering is very small when the acceleration and deceleration actions are carried out, and the phenomenon that passengers can not stop at the station when the speed of the traditional passenger train changes due to shaking is avoided. In practical application, the transmission of the signals of the electronic control brake system is realized by the locomotive brake gateway. However, in the prior art, a braking gateway product does not have a regular detection tool, and cannot detect whether the working performance of the braking gateway meets the standard, so that certain potential safety hazards exist.
Disclosure of Invention
In view of the foregoing defects in the prior art, embodiments of the present invention provide a test system for detecting the performance of a brake gateway.
One aspect of the present invention provides a test system for detecting the performance of a brake gateway, including:
the system comprises a computer, a tester and a brake gateway, wherein the tester is connected with the computer through a first port for data interaction with the computer, and is connected with the brake gateway through a Multifunctional Vehicle Bus (MVB) port and a high-level data link control (HDLC) port; wherein,
the computer is used for sending an MVB bus and/or HDLC bus test request command to the tester through the first port;
the tester is used for sending test data to the brake gateway through the MVB port and/or the HDLC port according to a test request command, and detecting the performance of the brake gateway according to first parameter information corresponding to feedback information of the brake gateway and second parameter information corresponding to the test data;
and the brake gateway is used for receiving the test data sent by the tester and sending feedback information to the tester.
According to the test system for detecting the performance of the brake gateway provided by the embodiment of the invention, after the tester receives the MVB bus and/or HDLC bus test request command sent by the computer, test data is sent to the brake gateway through the MVB port and/or the HDLC port, and the performance of the brake gateway is detected according to the first parameter information corresponding to the feedback information of the brake gateway and the second parameter information corresponding to the test data. Therefore, the performance of the brake gateway can be conveniently and efficiently detected, potential safety hazards can be found in time, and the reliability of locomotive operation is improved.
Drawings
Fig. 1 is a schematic structural diagram of a test system for detecting performance of a brake gateway according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another test system for detecting performance of a brake gateway according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another test system for detecting performance of a brake gateway according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another test system for detecting performance of a brake gateway according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of a test system for detecting performance of a brake gateway according to an embodiment of the present invention, as shown in fig. 1, the system includes: the system comprises a computer 1, a tester 2 and a brake gateway 3, wherein the tester 2 is connected with the computer 1 through a first port for data interaction with the computer 1, and controls an HDLC port to be connected with the brake gateway 3 through a multifunctional vehicle bus MVB port and a high-level data link; the computer 1 is used for sending an MVB bus and/or HDLC bus test request command to the tester 2 through the first port; the tester 2 is used for sending test data to the brake gateway 3 through the MVB port and/or the HDLC port according to the test request command, and detecting the performance of the brake gateway 3 according to first parameter information corresponding to feedback information of the brake gateway and second parameter information corresponding to the test data; and the brake gateway 3 is used for receiving the test data sent by the tester 2 and sending feedback information to the tester 2.
Specifically, the tester carries out data interaction with the computer through a first port on the one hand, wherein, the first port specifically includes: and the RS232 port and the RS485 port can be configured according to the actual application requirement. On the other hand, the HXD3D type locomotive brake gateway controls information transmission between a Multifunction Vehicle Bus (MVB) and a High-Level Data Link Control (HDLC) interface according to the TCN standard of the train communication network. Specifically, an MVB bus communication mode is adopted between the brake gateway and the brake control unit, and an HDLC bus communication mode is adopted between the gateway and the train control and management system TCMS, so that the tester controls the HDLC port to be connected with the brake gateway through a multifunctional vehicle bus MVB port and a high-level data link, the tester tests the communication capacity of the brake gateway through simulating the working condition of the locomotive, specifically, when the MVB bus communication capacity of the brake gateway is tested, the brake gateway is used as MVB equipment, the tester is used as a brake control unit, and data are received and sent through a computer to detect the MVB communication quality of the brake gateway; when the HDLC bus communication capacity of the brake gateway is tested, the brake gateway is used as MVB equipment, the tester is used as a brake control unit, data are received and sent through a computer, and the MVB communication quality of the brake gateway is detected; the brake gateway is used as HDLC equipment, the tester is used as TCMS, and the HDLC communication quality of the brake gateway is detected by receiving and sending data through a computer.
When a test is required, the computer sends an MVB bus and/or HDLC bus test request command to the tester through a first port between the computer and the tester, specifically, after the tester receives the MVB bus test request command sent by the computer, test data is sent to the brake gateway through the MVB port, after the tester receives the HDLC bus test request command sent by the computer, the test data is sent to the brake gateway through the HDLC port, after the tester receives the MVB bus and HDLC bus test request command sent by the computer, the test data is sent to the brake gateway through the MVB port and the HDLC port, after the brake gateway receives the test data sent by the tester, feedback information is sent to the tester, and after the tester receives the feedback information sent by the brake gateway, the feedback information is processed to obtain second parameter information corresponding to the feedback information, the method includes the steps of processing previously sent test data to obtain first parameter information corresponding to the test data, detecting the performance of the brake gateway according to the first parameter information corresponding to feedback information of the brake gateway and second parameter information corresponding to the test data, and specifically, comparing the difference value of the first parameter information and the second parameter information obtained by comparison by a tester with a preset standard threshold value to determine whether the difference value meets the standard threshold value or not so as to detect the performance of the brake gateway. It should be noted that the parameter information may be determined according to specific test content, and the standard threshold value may also be adjusted according to the specific test content, which is not limited in this embodiment.
In the test system for detecting the performance of the brake gateway provided in this embodiment, after the tester receives a MVB bus and/or HDLC bus test request command sent by the computer, test data is sent to the brake gateway through the MVB port and/or HDLC port, and the performance of the brake gateway is detected according to first parameter information corresponding to feedback information of the brake gateway and second parameter information corresponding to the test data. Therefore, the performance of the brake gateway can be conveniently and efficiently detected, potential safety hazards can be found in time, and the reliability of locomotive operation is improved.
Fig. 2 is a schematic structural diagram of another test system for detecting performance of a brake gateway according to an embodiment of the present invention, and as shown in fig. 2, based on the embodiment shown in fig. 1, a tester 2 includes: the controller 21 is connected with the MVB port and the HDLC port, the processor 22 is connected with the controller 21, and the controller 21 is configured to send test data to the brake gateway 3 through the MVB port and/or the HDLC port according to a test request command, receive feedback information sent by the brake gateway 3 through the MVB port and the HDLC port, and send the test data and the feedback information to the processor 22; and the processor 22 is configured to process the test data to obtain first parameter information, process the feedback information to obtain second parameter information, and detect the performance of the brake gateway according to the first parameter information and the second parameter information.
It should be noted that, the processor may specifically describe, according to a specific test content, the embodiment shown in fig. 3, and fig. 3 is a schematic structural diagram of another test system for detecting performance of a brake gateway provided in an embodiment of the present invention, where the processor 22 includes: the oscilloscope 221 is configured to perform waveform analysis on the test data to output a first waveform, store the first waveform in the local, perform waveform analysis on the feedback information to output a second waveform when receiving the feedback information of the brake gateway sent by the controller, compare the first waveform with the second waveform, and determine whether an error value is smaller than a preset threshold value, so as to detect the performance of the brake gateway.
Further, the processor comprises 22: the spectrum analyzer 222 is configured to perform spectrum analysis on the test data to output a first spectrum map, store the first spectrum map locally, perform spectrum analysis on the feedback information to output a second spectrum map when receiving the feedback information of the braking gateway sent by the controller, compare the first spectrum map with the second spectrum map, and determine whether an error value is smaller than a preset threshold value, so as to detect the performance of the braking gateway.
Further, the processor 22 includes: and the timer 223 is used for locally storing the sending time of the test data, recording the receiving time of the feedback information when the feedback information of the brake gateway sent by the controller is received, comparing the sending time with the receiving time, and determining whether the time difference is smaller than a preset threshold value so as to detect the performance of the brake gateway.
It should be noted that the processor shown in fig. 3 specifically includes: the oscilloscope, the spectrometer and the timer can be any device or any combination of the three devices according to the practical application requirements, and the processor can also be not limited to the three devices according to the specific test content.
Specifically, referring to the systems shown in fig. 2 and 3, the specific implementation process is as follows: the method comprises the steps that after a tester receives an MVB bus test request command sent by a computer, a controller sends test data to a brake gateway through an MVB port, after the tester receives an HDLC bus test request command sent by the computer, the controller sends the test data to the brake gateway through the HDLC port, after the tester receives the MVB bus and the HDLC bus test request command sent by the computer, the controller sends the test data to the brake gateway through the MVB port and the HDLC port, after the controller sends the test data, the test data are sent to a processor, and the processor processes the test data to obtain first parameter information and stores the first parameter information in the local. After receiving the test data sent by the tester, the brake gateway sends feedback information to the controller, so that after receiving the feedback information sent by the brake gateway, the controller sends the feedback information to the processor, the processor processes the feedback information to obtain second parameter information, and the performance of the brake gateway is detected according to the first parameter information and the second parameter information.
Specifically, if the processor is an oscilloscope, the oscilloscope performs waveform analysis on test data to output a first waveform and stores the first waveform in the local, when receiving feedback information of the brake gateway sent by the controller, performs waveform analysis on the feedback information to output a second waveform, compares the first waveform with the second waveform, and determines whether an error value is smaller than a preset threshold value to detect the performance of the brake gateway, if the error value is smaller than the preset threshold value, the performance of the brake gateway is good, and if the error value is larger than or equal to the preset threshold value, the performance of the brake gateway is poor, and detection and debugging are required. The performance of the braking gateway specifically includes communication capability, response time, and the like.
If the processor is a frequency spectrograph, the frequency spectrograph performs frequency spectrum analysis on the test data to output a first frequency spectrum diagram and stores the first frequency spectrum diagram locally, when feedback information of the brake gateway sent by the controller is received, the frequency spectrum analysis is performed on the feedback information to output a second frequency spectrum diagram, the first frequency spectrum diagram is compared with the second frequency spectrum diagram to determine whether an error value is smaller than a preset threshold value, if the error value is smaller than the preset threshold value, the performance of the brake gateway is good, and if the error value is larger than or equal to the preset threshold value, the performance of the brake gateway is poor, detection and debugging need to be performed, and the performance of the brake gateway specifically includes communication capacity, response time and the like.
If the processor is a timer, the timer locally stores the sending time of the test data, when the feedback information of the braking gateway sent by the controller is received, the receiving time of the feedback information is recorded, the sending time is compared with the receiving time, whether the time difference is smaller than a preset threshold value or not is determined, so as to detect the performance of the braking gateway.
In the test system for detecting the performance of the brake gateway provided in this embodiment, after the tester receives a MVB bus and/or HDLC bus test request command sent by the computer, the controller sends test data to the brake gateway through the MVB port and/or HDLC port, and sends the test data to the processor, the processor processes the test data to obtain first parameter information, and sends feedback information of the brake gateway to the processor, the processor processes the feedback information to obtain second parameter information, and the processor detects the performance of the brake gateway according to the first parameter information and the second parameter information. Therefore, the performance of the brake gateway can be conveniently and efficiently detected, potential safety hazards can be found in time, and the reliability of locomotive operation is improved.
Fig. 4 is a schematic structural diagram of a further test system for detecting performance of a brake gateway according to an embodiment of the present invention, and as shown in fig. 4, based on the embodiment shown in fig. 3, the tester 2 further includes: an adjustable power supply 23; the tester 2 supplies power to the brake gateway 3 through the adjustable power supply 23, the adjustable power supply 23 is used for providing a test voltage T1 for the brake gateway 3, and T1 is larger than T2 and smaller than T3, wherein T2 is the minimum working voltage of the brake gateway 3, and T3 is the maximum working voltage of the brake gateway 3.
Specifically, the tester is provided with an adjustable power supply with an output power supply adjustable function, and the amplitude is 0-36 VDC. I.e., from a 220VAC power supply to a 0-36VDC power output. According to the standard, the brake gateway is required to normally work in a power supply range of 16.8V to 32V and normally work under the condition that the power supply disturbance is allowed. And observing whether the brake gateway operates normally or not through the working interval voltage output by the adjustable power supply.
In the test system for detecting the performance of the brake gateway provided in this embodiment, after the tester receives a MVB bus and/or HDLC bus test request command sent by the computer, the controller sends test data to the brake gateway through the MVB port and/or HDLC port, and sends the test data to the processor, the processor processes the test data to obtain first parameter information, and sends feedback information of the brake gateway to the processor, the processor processes the feedback information to obtain second parameter information, the processor detects the performance of the brake gateway according to the first parameter information and the second parameter information, during a test process, a variable power supply is provided to the brake gateway through an adjustable power supply, and whether the test gateway can normally operate is detected. Therefore, the performance of the brake gateway can be conveniently and efficiently detected, and the voltage dynamic response performance of the gateway can be tested, so that potential safety hazards can be found in time, and the reliability of locomotive operation is improved.
Based on the above embodiment, further, the tester 2 is further configured to: and feeding back the test result to the computer 1 through the first port, and performing information entry on the test result by the computer 1, and providing a test result downloading service for the computer after receiving a downloading request.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A test system for detecting brake gateway performance, comprising: the system comprises a computer, a tester and a brake gateway, wherein the tester is connected with the computer through a first port for data interaction with the computer, and is connected with the brake gateway through a Multifunctional Vehicle Bus (MVB) port and a high-level data link control (HDLC) port; wherein,
the computer is used for sending an MVB bus and/or HDLC bus test request command to the tester through the first port;
the tester is used for sending test data to the brake gateway through the MVB port and/or the HDLC port according to a test request command, and detecting the performance of the brake gateway according to first parameter information corresponding to feedback information of the brake gateway and second parameter information corresponding to the test data;
the brake gateway is used for receiving the test data sent by the tester and sending feedback information to the tester;
the tester includes: a controller and a processor, wherein the controller is respectively connected with the MVB port and the HDLC port, the processor is connected with the controller,
the controller is used for sending test data to the brake gateway through the MVB port and/or the HDLC port according to a test request command, receiving feedback information sent by the brake gateway through the MVB port and the HDLC port, and sending the test data and the feedback information to the processor;
the processor is used for processing the test data to obtain first parameter information, processing the feedback information to obtain second parameter information, and detecting the performance of the brake gateway according to the first parameter information and the second parameter information;
the processor includes: an oscilloscope (or an oscilloscope) is used for displaying,
the oscilloscope is used for performing waveform analysis on the test data to output a first waveform and storing the first waveform in the local area, performing waveform analysis on the feedback information to output a second waveform when receiving the feedback information of the brake gateway sent by the controller, comparing the first waveform with the second waveform, and determining whether an error value is smaller than a preset threshold value so as to detect the performance of the brake gateway;
the processor includes: a frequency spectrum instrument is arranged on the base station,
the frequency spectrograph is used for performing frequency spectrum analysis on the test data to output a first frequency spectrum diagram and storing the first frequency spectrum diagram in a local place, performing frequency spectrum analysis on the feedback information to output a second frequency spectrum diagram when the feedback information of the brake gateway sent by the controller is received, and comparing the first frequency spectrum diagram with the second frequency spectrum diagram to determine whether an error value is smaller than a preset threshold value so as to detect the performance of the brake gateway;
the processor includes: a timer;
the timer is used for locally storing the sending time of the test data, recording the receiving time of the feedback information when the feedback information of the brake gateway sent by the controller is received, comparing the sending time with the receiving time, and determining whether the time difference is smaller than a preset threshold value so as to detect the performance of the brake gateway.
2. The test system for detecting brake gateway performance of claim 1, wherein the first port comprises: an RS232 port and an RS485 port.
3. The test system for testing the performance of a brake gateway of claim 1, wherein the tester further comprises: an adjustable power supply; the tester supplies power to the brake gateway through the adjustable power supply,
the adjustable power supply is used for providing a test voltage T1 for the braking gateway, wherein T1 is larger than T2 and smaller than T3, T2 is the minimum working voltage of the braking gateway, and T3 is the maximum working voltage of the braking gateway.
4. The test system for testing the performance of a brake gateway according to claim 1,
the tester is further configured to: and feeding back the test result to the computer through the first port so that the computer performs information entry on the test result to provide a test result downloading service according to a downloading request.
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| CN106453254B (en) * | 2016-09-08 | 2019-08-27 | 北京知道未来信息技术有限公司 | A kind of stateless scan method for evading firewall detection |
| CN108228444B (en) * | 2016-12-14 | 2021-08-17 | 阿里巴巴集团控股有限公司 | Test method and device |
| CN109309601A (en) * | 2018-10-18 | 2019-02-05 | 北京新能源汽车股份有限公司 | Gateway testing system and method |
| CN110958295B (en) * | 2019-10-23 | 2023-04-07 | 北京全路通信信号研究设计院集团有限公司 | Testing method and system based on vehicle-mounted ATP equipment |
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