CN104359689B - EMUs braking performance test method and test device - Google Patents
EMUs braking performance test method and test device Download PDFInfo
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- CN104359689B CN104359689B CN201410605629.9A CN201410605629A CN104359689B CN 104359689 B CN104359689 B CN 104359689B CN 201410605629 A CN201410605629 A CN 201410605629A CN 104359689 B CN104359689 B CN 104359689B
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Abstract
The invention provides a kind of EMUs braking performance test method and apparatus, the method includes：Obtain the braking grade of user input and the corresponding relation of atmospheric pressure value；Obtain the first braking grade and the second braking grade of user input；Search corresponding first atmospheric pressure value of the first braking grade and corresponding second atmospheric pressure value of the second braking grade；Real-time monitoring is carried out to the atmospheric pressure value in braking air pipe, the atmospheric pressure value for recording braking air pipe is changed to the time of the second atmospheric pressure value by the first atmospheric pressure value；Time according to record outputs test result.In the method for testing that the present invention is provided, obtain test result and export according to time of the air pressure in braking air pipe as needed for an atmospheric pressure value changes to another atmospheric pressure value.So, when being tested, the braking air pipe in EMUs need to only be pressurizeed, and gathers acquisition test result by atmospheric pressure value, and EMUs actual motion need not be made.Improve the efficiency of EMUs braking performance test.
Description
Technical field
E measurement technology, more particularly to a kind of EMUs braking performance test method and survey are tested the present invention relates to electric signal
Trial assembly is put.
Background technology
With the continuous improvement of the EMUs speed of service, Braking System for Multiple Units performance it is whether excellent, be related to motor-car
Whether group operation is safe and reliable, so, performance test and system debug to Braking System for Multiple Units are just particularly important.
It is usually in the prior art that high-speed cruising EMUs are carried out with the corresponding air pressure of braking level to the method that EMUs carry out performance
Value and EMUs operation braking distance are recorded, and motor-car is judged according to braking pressure value and EMUs operation braking range data
Whether the braking ability of group is good, and such method of testing efficiency comparison is low.
The content of the invention
It is an object of the invention to provide a kind of efficient EMUs braking performance test method and detection means.
A kind of EMUs braking performance test method, it is characterised in that including：
Obtain the braking grade of user input and the corresponding relation of atmospheric pressure value；
Also include：
Obtain the first braking grade and the second braking grade of user input；
Search corresponding first atmospheric pressure value of the first braking grade and corresponding second atmospheric pressure value of the second braking grade；
Real-time monitoring is carried out to the atmospheric pressure value in braking air pipe, the atmospheric pressure value of braking air pipe is recorded by the first air pressure value changes
To the time of the second atmospheric pressure value；
Time according to record outputs test result.
Further, the atmospheric pressure value in braking air pipe carries out real-time monitoring, including：Gathered according to predeterminated frequency and made
Atmospheric pressure value in dynamic airduct.
Further, the predeterminated frequency is more than 100 times/second.
Further, it is described according to record time output test result before, methods described also includes：
Obtain the preset time value of user input, the preset time value is used to representing atmospheric pressure value in braking air pipe by the
One atmospheric pressure value change to the second atmospheric pressure value needed for Preset Time；
It is described according to record time output test result including：
Whether the time of record is judged more than the Preset Time, if being then input into for indicating the first of test crash to refer to
Show message, if it is not, then exporting the second instruction message for indicating to be successfully tested.
Further, the braking grade replaces with alleviation grade.
A kind of EMUs braking performance tester, including：
First acquisition module, for obtaining the braking grade of user input and the corresponding relation of atmospheric pressure value；
Also include：
Second acquisition module, the first braking grade and the second braking grade for obtaining user input；
Searching modul, it is corresponding for searching corresponding first atmospheric pressure value of the first braking grade and the second braking grade
Second atmospheric pressure value；
Monitoring and logging modle, for carrying out real-time monitoring to the atmospheric pressure value in braking air pipe, record the gas of braking air pipe
Pressure value is changed to the time of the second atmospheric pressure value by the first atmospheric pressure value；
Output module, for being outputed test result according to the time of record.
Further, the monitoring and logging modle are used for according to the atmospheric pressure value in predeterminated frequency collection braking air pipe.
Further, the predeterminated frequency is more than 100 times/second.
Further, also include：
3rd acquisition module, for before output module outputs test result, obtaining the preset time value of user input,
The preset time value is used to represent that the atmospheric pressure value in braking air pipe is pre- as needed for the first atmospheric pressure value changes to the second atmospheric pressure value
If the time；
Whether the output module is used to judge the time of record more than the Preset Time, if being then input into for indicating
First instruction message of test crash, if it is not, then exporting the second instruction message being successfully tested.
Further, the braking grade replaces with alleviation grade.
In the method for testing that the present invention is provided, another gas is changed to by an atmospheric pressure value according to the air pressure in braking air pipe
Time needed for pressure value obtains test result and exports.So, when being tested, the braking air pipe in EMUs need to only be entered
Row pressurization, and acquisition test result by atmospheric pressure value is gathered, and EMUs actual motion need not be made.Improve EMUs braking
The efficiency that can be tested.
Brief description of the drawings
Fig. 1 is a kind of flow chart of EMUs braking performance test method that the present invention is provided；
Fig. 2 is a kind of structural representation of EMUs braking performance tester that the present invention is provided；
The flow chart of the method that Fig. 3 is tested using the EMUs braking performance tester that the present invention is provided.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
The invention provides a kind of EMUs braking performance test method, as shown in figure 1, the method includes：
Step 101, obtains the braking grade of user input and the corresponding relation of atmospheric pressure value；
Step 102, obtains the first braking grade and the second braking grade of user input；
Step 103, searches first and brakes corresponding first atmospheric pressure value of grade and corresponding second air pressure of the second braking grade
Value；
Step 104, real-time monitoring is carried out to the atmospheric pressure value in braking air pipe, records the atmospheric pressure value of braking air pipe by the first gas
Time of the pressure value changes to the second atmospheric pressure value；
Step 105, the time according to record outputs test result.
Realize it is of the invention during, inventors herein have recognized that, the braking ability of EMUs depends primarily on energy
Enough braking pressure can be applied to certain intensity within the default time, on this basis, present inventor is creative
The time proposed using the air pressure in braking air pipe as needed for an atmospheric pressure value changes to another atmospheric pressure value it is dynamic as judging
The whether qualified index of car group braking ability, and test result is drawn accordingly.The EMUs braking ability provided using the present invention
Method of testing, when being tested, need to only pressurize, and surveyed by gathering atmospheric pressure value to the braking air pipe in EMUs
Test result, and EMUs actual motion need not be made.Improve the efficiency of EMUs braking performance test.
In concrete application, the first braking grade here can be 0 grade, and its atmospheric pressure value corresponds to 0.Or can also be
Atmospheric pressure value is not 0 other grades.Understandable to be, above-mentioned step 101 is not that test process is required for holding each time
Capable step, for repeatedly test, after first time obtains corresponding corresponding relation, the equal nothing of test for carrying out afterwards
Step 101 need to be performed, corresponding technical scheme should also fall into protection scope of the present invention.
Further, real-time monitoring is carried out to the atmospheric pressure value in braking air pipe in step 104, including not shown in figure
's：According to the atmospheric pressure value in predeterminated frequency collection braking air pipe.Further, the predeterminated frequency is more than 100 times/second.
Further, before step 105, methods described is also included not shown in figure：
Obtain the preset time value of user input, the preset time value is used to representing atmospheric pressure value in braking air pipe by the
One atmospheric pressure value change to the second atmospheric pressure value needed for Preset Time；
It is described according to record time output test result including：
Whether the time of record is judged more than the Preset Time, if being then input into for indicating the first of test crash to refer to
Show message, if it is not, then exporting the second instruction message for indicating to be successfully tested.
In this way, test device can be made more intuitively to indicate the braking ability of EMUs whether qualified, it is to avoid
Artificial is judged according to the testing time, further increases testing efficiency.Certainly, in actual applications, it is also possible to directly
The numerical value output of the time that will be recorded, tester can judge whether the braking ability of EMUs reaches according to the time of output
Mark.
Further, the braking grade replaces with alleviation grade.In practical application, it is also to weigh motor-car to alleviate grade
One important indicator of group braking.Become by measuring atmospheric pressure value of the atmospheric pressure value in braking air pipe as needed for one alleviates grade
Change the time of the atmospheric pressure value needed to another alleviation grade, can effectively detect the braking of EMUs whether when default
The interior alleviation for obtaining respective degrees.
Present invention also offers a kind of EMUs braking performance tester, as shown in Fig. 2 including：
First acquisition module 201, for obtaining the braking grade of user input and the corresponding relation of atmospheric pressure value；
Also include：
Second acquisition module 202, the first braking grade and the second braking grade for obtaining user input；
Searching modul 203, for searching corresponding first atmospheric pressure value of the first braking grade and the second braking grade pair
The second atmospheric pressure value answered；
Monitoring and logging modle 204, for carrying out real-time monitoring to the atmospheric pressure value in braking air pipe, record braking air pipe
Atmospheric pressure value is changed to the time of the second atmospheric pressure value by the first atmospheric pressure value；
Output module 205, for being outputed test result according to the time of record.
Further, monitoring and logging modle 204 are used for according to the atmospheric pressure value in predeterminated frequency collection braking air pipe.
Further, the predeterminated frequency is more than 100 times/second.
Further, also include：3rd acquisition module 206, for before output module outputs test result, obtaining and using
The preset time value of family input, the preset time value is used to represent that the atmospheric pressure value in braking air pipe is changed to by the first atmospheric pressure value
Preset Time needed for second atmospheric pressure value；
Whether output module 205 is used to judge the time of record more than the Preset Time, if being then input into for indicating
First instruction message of test crash, if it is not, then exporting the second instruction message being successfully tested.
Further, braking grade replaces with alleviation grade.
In a particular application, the output module of the EMUs braking performance tester that the present invention is provided can be liquid crystal
Show device, the first or second acquisition module can be touch-screen etc., in addition, the EMUs braking performance tester that the present invention is provided
Communication module, such as wireless communication module etc. can also be included, for realizing the communication with other equipment, test result is derived
Onto other equipment.
As shown in figure 3, being the stream of method tested using the EMUs braking performance tester that provides of the present invention
Cheng Tu, the method can include:
Tester is first by the monitoring of EMUs braking performance tester and the braking wind of logging modle and EMUs
Pipe is connected, and EMUs braking performance tester is powered up afterwards, and to the first of EMUs braking performance tester
Acquisition module imports the mapping table of braking grade and atmospheric pressure value, and EMUs braking performance tester receives and stores this pair
Answer relation table.Afterwards, grade and the second system are braked to the second acquisition module input first of EMUs braking performance tester
Dynamic grade, the first braking grade here can be 0 grade, and the second braking grade can be 0 any grade N, for surveying
Whether trial-production dynamic response time of the grade from 0 grade to n grades reaches requirement, further, is filled to EMUs braking performance test
The 3rd acquisition module put imports the default braking response time.Simulate actual braking scene and air pressure is applied to braking air pipe.
Afterwards, triggering EMUs braking performance tester proceeds by test.Now, EMUs braking performance tester is to braking
The air pressure of airduct carries out real-time monitoring, and record air pressure rises to Qn by 0, and (Qn is right by n grades of braking in above-mentioned mapping table
The atmospheric pressure value answered) time, the time of record is compared with the braking response time for pre-entering, if greater than braking ring
Between seasonable, then illustrate that braking ability is not up to standard, now exporting first by output module indicates message, tester according to this
One instruction message judges that braking ability is not up to standard.If less than or equal to the braking response time, then illustrate that braking ability is up to standard,
Now second being exported by output module and indicating message, tester judges that braking ability is up to standard according to the first instruction message.
In addition, test result directly can also be uploaded to corresponding system by EMUs braking performance tester by communication module
In, it is to avoid artificial derivation data.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (10)
1. a kind of EMUs braking performance test method, it is characterised in that including：
Obtain the braking grade of user input and the corresponding relation of atmospheric pressure value；
Also include：
Obtain the first braking grade and the second braking grade of user input；
Search corresponding first atmospheric pressure value of the first braking grade and corresponding second atmospheric pressure value of the second braking grade；
Carry out real-time monitoring to the atmospheric pressure value in braking air pipe, record the atmospheric pressure value of braking air pipe and change to the by the first atmospheric pressure value
The time of two atmospheric pressure values；
Time according to record outputs test result.
2. the method for claim 1, it is characterised in that the atmospheric pressure value in braking air pipe carries out real-time monitoring,
Including：According to the atmospheric pressure value in predeterminated frequency collection braking air pipe.
3. method as claimed in claim 2, it is characterised in that the predeterminated frequency is more than 100 times/second.
4. the method for claim 1, it is characterised in that before the time according to record outputs test result, institute
Stating method also includes：
The preset time value of user input is obtained, the atmospheric pressure value that the preset time value is used to represent in braking air pipe is by the first gas
Preset Time needed for pressure value changes to the second atmospheric pressure value；
It is described according to record time output test result including：
Whether the time of record is judged more than the Preset Time, if being then input into for indicating the first of test crash the instruction to disappear
Breath, if it is not, then exporting the second instruction message for indicating to be successfully tested.
5. the method as described in claim any one of 1-4, it is characterised in that braking grade replaces with alleviation grade.
6. a kind of EMUs braking performance tester, it is characterised in that including：
First acquisition module, for obtaining the braking grade of user input and the corresponding relation of atmospheric pressure value；
Also include：
Second acquisition module, the first braking grade and the second braking grade for obtaining user input；
Searching modul, for searching corresponding first atmospheric pressure value of the first braking grade and the second braking grade corresponding second
Atmospheric pressure value；
Monitoring and logging modle, for carrying out real-time monitoring to the atmospheric pressure value in braking air pipe, record the atmospheric pressure value of braking air pipe
The time of the second atmospheric pressure value is changed to by the first atmospheric pressure value；
Output module, for being outputed test result according to the time of record.
7. test device as claimed in claim 6, it is characterised in that the monitoring and logging modle are used for according to predeterminated frequency
Atmospheric pressure value in collection braking air pipe.
8. test device as claimed in claim 7, it is characterised in that the predeterminated frequency is more than 100 times/second.
9. test device as claimed in claim 6, it is characterised in that the time according to record outputs test result it
Before, described device also includes：
3rd acquisition module, it is described for before output module outputs test result, obtaining the preset time value of user input
When preset time value is used to representing default as needed for the first atmospheric pressure value changes to the second atmospheric pressure value of atmospheric pressure value in braking air pipe
Between；
Whether the output module is used to judge the time of record more than the Preset Time, if being then input into for indicating to test
First instruction message of failure, if it is not, then exporting the second instruction message being successfully tested.
10. the test device as described in claim any one of 6-9, it is characterised in that braking grade replaces with alleviation grade.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410605629.9A CN104359689B (en) | 2014-10-31 | 2014-10-31 | EMUs braking performance test method and test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410605629.9A CN104359689B (en) | 2014-10-31 | 2014-10-31 | EMUs braking performance test method and test device |
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| CN104359689B true CN104359689B (en) | 2017-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107479533B (en) * | 2017-08-10 | 2019-09-27 | 中车青岛四方车辆研究所有限公司 | Locomotive brake control module fatigue test method |
| CN107741333B (en) * | 2017-10-12 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | The pilot system and test method of frame control braking system |
| CN108414253B (en) * | 2018-05-23 | 2020-03-20 | 西南交通大学 | Test bed for testing comprehensive braking performance of brake pad of high-speed train |
| CN113135173B (en) * | 2021-05-24 | 2022-03-29 | 湖南三一车身有限公司 | Braking difference monitoring system based on air braking response time |
| CN113514262B (en) * | 2021-07-15 | 2024-05-24 | 中车青岛四方机车车辆股份有限公司 | Braking function test method, system, storage medium and equipment |
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