CN103197662B - Test unit, method and system - Google Patents
Test unit, method and system Download PDFInfo
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- CN103197662B CN103197662B CN201210003783.XA CN201210003783A CN103197662B CN 103197662 B CN103197662 B CN 103197662B CN 201210003783 A CN201210003783 A CN 201210003783A CN 103197662 B CN103197662 B CN 103197662B
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Abstract
The invention provides a kind of test unit, method and system, wherein, the method comprises: load detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal; Send described detection signal to traction control unit, receive pulse signal and the testing result signal of the transmission of described traction control unit; According to described pulse signal and described testing result signal, determine whether described traction control unit exists fault.What solve that prior art exists how not only fast but also cannot complete the problem of the test to electric locomotive traction control module effectively.
Description
Technical field
The present invention relates to electric locomotive technical field, particularly relate to a kind of test unit, method and system.
Background technology
Electric locomotive traction control module is the core component of electric locomotive traction current transformer, expensive, therefore before being installed to train, needs to carry out function test, routine test and type approval test to it.Routine test comprises function test, dielectric voltage withstand test, thermocycling etc. substantially, and type approval test comprises thermocycling, cyclic damp heat test, power supply test, dielectric voltage withstand test, vibration test, EMC test etc. substantially.
Because electric locomotive production firm not yet provides the proving installation of this traction control unit, at present, need to detect on this traction control cellular installation to train, large, the consuming time length of workload, efficiency can be caused so low, but also easily because misoperation damages this traction control unit.
How not only fast but also effectively to complete function test to traction control unit, routine test and type approval test be the problem that lot of domestic and international producer is being inquired into always.
Summary of the invention
The invention provides a kind of test method, Apparatus and system, what can solve that prior art exists not only fast but also cannot complete the problem of the test to electric locomotive traction control module effectively.
First aspect of the present invention is to provide a kind of test unit, comprising:
For loading the signal loading module of detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
For sending described detection signal to traction control unit, receive pulse signal and the testing result signal of the transmission of described traction control unit, and described pulse signal and described testing result signal are sent to the transceiver module of microprocessor, described transceiver module and described signal loading model calling;
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the microprocessor of fault, and described microprocessor is connected with described transceiver module.
As above-mentioned test unit, wherein, described microprocessor specifically comprises:
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
For determining that described traction control unit exists fault, generating failure message and failure message being carried out to the analysis and processing unit for the treatment of and analysis, being connected with described fault determining unit.
Above-mentioned test unit also comprises:
For generating the detection signal mimic channel of described detection signal, with described signal loading model calling;
For showing the display circuit of described pulse signal and described testing result signal, be connected with described transceiver module.
As above-mentioned test unit, wherein, described display circuit specifically comprises:
For showing the first display unit of described pulse signal;
For showing the second display unit of described testing result signal.
Another aspect of the present invention is to provide a kind of pilot system, comprising:
Above-mentioned test unit;
For receiving and processing the detection signal that described test unit sends, send pulse signal and testing result signal to the traction control unit of described test unit, be connected with described test unit.
Said system also comprises:
For generating detection signal, and sending to the signal generator of the signal loading module in described test unit, being connected with described test unit;
The pulse signal sent for the transceiver module received in described test unit and testing result signal, and the display device of display, be connected with described test unit.
Another aspect of the present invention is to provide a kind of test method, comprising:
Load detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
Send described detection signal to traction control unit, receive pulse signal and the testing result signal of the transmission of described traction control unit;
According to described pulse signal and described testing result signal, determine whether described traction control unit exists fault.
The embodiment of the present invention adopts by loading detection signal to traction control unit, according to pulse signal and the testing result signal of traction control unit feedback, determine whether traction control unit exists the technological means of fault, effectively can complete again the test to electric locomotive traction control module fast.
Accompanying drawing explanation
The structural representation of the test unit that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is the structural representation of test unit application system shown in the embodiment of the present invention one;
The structural representation of the pilot system that Fig. 3 provides for the embodiment of the present invention two;
The schematic flow sheet of the test method that Fig. 4 provides for the embodiment of the present invention three.
Embodiment
The structural representation of the test unit that Fig. 1 provides for the embodiment of the present invention one, Fig. 2 is the structural representation of test unit application system shown in the embodiment of the present invention one, and as shown in Figure 1, this device comprises:
For loading the signal loading module 11 of detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
For example, test unit can by receiving the detection signal that external signal generator provides, the described detection signal that signal loading module 11 generates specifically for loading described signal generator, as shown in Figure 2, the test unit of the present embodiment receives external signal generator, as the digital signal that digital signal switching circuit provides, controls locomotive starting and stopping for simulating cab on electric locomotive, acceleration and deceleration, rectifier is jumped main disconnected, and inverter is jumped main disconnected, and axle is isolated, bogie is isolated, isolation feedback etc.; Receive external signal generator, as the simulating signal that the first signal source provides, for simulating electric locomotive grid side electric current, voltage, four-quadrant rectification medium voltage, motor side electric current, coolant water temperature, hydraulic pressure, earthing detection electric current, chopper current, motor temperature, primary side current of transformer etc.; Receiving external signal generator, as secondary signal source provides speed pulse signal, for simulating electric locomotive actual speed, realizing velocity close-loop control; Receive external signal generator, as the fault feedback signal that insulated gate transistor provides, for the running status of analog insulation gridistor.
For sending described detection signal to traction control unit, receive pulse signal and the testing result signal of the transmission of described traction control unit, and described pulse signal and described testing result signal being sent to the transceiver module 12 of microprocessor, transceiver module 12 is connected with signal loading module 11;
Particularly, test unit can be connected with traction control unit by aviation socket by the present embodiment.Further, test unit can also by aviation socket for traction control unit provides power supply.
For example, the traction control unit inside of the present embodiment comprises central processing unit, central processing unit processes the detection signal received and generates testing result signal and pulse signal, described testing result signal comprises simulating signal, digital signal, speed pulse signal, fault feedback signal after process, and pulse signal and testing result signal are sent to the transceiver module 12 of test unit by central processing unit in real time by bus communication mode.
In further example, pulse signal and testing result signal also can be sent on external PC and show by the central processing unit of traction control unit, analyze the duty of traction control unit for tester.
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the microprocessor 13 of fault, and microprocessor 13 is connected with transceiver module 12.
The central processing unit of traction control unit can pass through transceiver module 12, by pulse signal or testing result signal feedback to micro-process 13 of test unit, microprocessor 13, according to the duty of the pulse signal fed back to or testing result signal analysis traction control unit, determines whether traction control unit exists fault.
Further, this microprocessor 13 specifically comprises:
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
For determining that described traction control unit exists fault, generating failure message and failure message being carried out to the analysis and processing unit for the treatment of and analysis, being connected with described fault determining unit.
As shown in Figure 2, this failure message can also to send on external PC and to store by this microprocessor 13 further, processes failure message for analyzing failure cause.
It should be noted that, the test unit of the present embodiment for example also can comprise:
For generating the detection signal mimic channel 14 of described detection signal, be connected with signal loading module 11; The described detection signal that signal loading module 11 generates specifically for loading detection signal mimic channel 14;
For showing the display circuit 15 of described pulse signal and described testing result signal, be connected with transceiver module 12, tester can the pulse signal that sends of the tested traction control unit of real-time monitored or testing result signal whether correct, can determine whether traction control unit exists fault intuitively.
Particularly, this display circuit 15 comprises:
For showing the first display unit of described pulse signal;
For showing the second display unit of described testing result signal.
In further example, pulse signal and testing result signal can be shown by the display device that test unit is external by this test unit intuitively, analyze the duty of traction control unit for tester.As shown in Figure 2, the test unit display device of the present embodiment, as external oscillograph, in order to show the pulse signal that traction control unit sends, test unit is other display device external also, for showing the testing result signal that traction control unit sends.The pulse signal that testing crew can be sent by external oscillograph or the tested traction control unit of other display device real-time monitored or testing result signal whether correct, can determine whether traction control unit exists fault intuitively.
The present embodiment adopts transceiver module that the detection signal of signal loading module loading is sent to traction control unit, the pulse signal feed back traction control unit and testing result signal send to microprocessor, determine whether traction control unit exists the technological means of fault, effectively can complete again the test to electric locomotive traction control module fast, simultaneously, also by microprocessor, treatment and analysis is carried out to the running status of traction control unit and failure message, the Function detection to traction control unit can be realized, the fault diagnosis of traction control unit can be realized again.
The structural representation of the pilot system that Fig. 3 provides for the embodiment of the present invention two, comprising:
Test unit 31 described in Fig. 1 shown device embodiment;
For receiving and processing the detection signal that test unit 31 sends, send pulse signal and testing result signal to the traction control unit 32 of test unit 31, be connected with test unit 31.
Described system also comprises:
For generating detection signal, and sending to the signal generator 33 of the signal loading module in test unit 31, being connected with test unit 31;
The pulse signal sent for the transceiver module in acceptance test device 31 and testing result signal, and the display device 34 of display, be connected with test unit 31.
Further, described system also comprises the PC be connected with test unit 31, failure message can send on PC and store by test unit 31, processes failure message for analyzing failure cause.
System described in the present embodiment can realize the function of test unit described in Fig. 1 shown device embodiment, and it realizes principle and technique effect repeats no more.
The schematic flow sheet of the test method that Fig. 4 provides for the embodiment of the present invention three, the method specifically comprises:
Step 401, loading detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal.
For example, test unit can generate detection signal by the simulation of inner detection signal mimic channel, or the detection signal that reception external signal generator provides.
Step 402, send described detection signal to traction control unit, receive pulse signal and testing result signal that described traction control unit sends.
Particularly, test unit can be connected with traction control unit by aviation socket by the present embodiment.Further, test unit can also by aviation socket for traction control unit provides power supply.
For example, the traction control unit inside of the present embodiment comprises central processing unit, central processing unit processes the detection signal received and generates testing result signal and pulse signal, and described testing result signal comprises simulating signal, digital signal, speed pulse signal, fault feedback signal after process.
Pulse signal and testing result signal are sent to test unit by bus communication mode by central processing unit in real time.In further example, pulse signal and testing result signal also can be sent on external PC and show by traction control unit, analyze the duty of traction control unit for tester.
Step 403, according to described pulse signal and described testing result signal, determine whether described traction control unit exists fault.
For example, pulse signal and testing result signal can be shown by the external display device of test unit or built-in display circuit by test unit intuitively, whether correctly the pulse signal sent for the traction control unit that tester's real-time monitored is tested or testing result signal, can determine whether traction control unit exists fault intuitively.
In further example, the central processing unit of traction control unit also can by pulse signal or testing result signal feedback to the microprocessor of test unit, microprocessor, according to the duty of the pulse signal fed back to or testing result signal analysis traction control unit, determines whether traction control unit exists fault.
Further, if this microprocessor determination traction control unit exists fault, then generate failure message, and analyzing and processing is carried out to described failure message; Or this failure message can also to send on external PC and to store by this microprocessor, for analyzing failure cause, failure message is processed.
The method of the present embodiment can realize the function of test unit shown in Fig. 1, and it realizes principle and technique effect is similar, repeats no more herein.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a test unit, is characterized in that, comprising:
For loading the signal loading module of detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
For sending described detection signal to traction control unit, receive pulse signal and the testing result signal of the transmission of described traction control unit, and described pulse signal and described testing result signal are sent to the transceiver module of microprocessor, described transceiver module and described signal loading model calling;
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the microprocessor of fault, and described microprocessor is connected with described transceiver module;
For generating the detection signal mimic channel of described detection signal, with described signal loading model calling;
For showing the display circuit of described pulse signal and described testing result signal, be connected with described transceiver module;
Described display circuit comprises:
For showing the first display unit of described pulse signal;
For showing the second display unit of described testing result signal;
Wherein, described microprocessor comprises:
For according to described pulse signal and described testing result signal, determine whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
For generating failure message and failure message being carried out to the analysis and processing unit for the treatment of and analysis, be connected with described fault determining unit.
2. a pilot system, is characterized in that, comprising:
Test unit as claimed in claim 1;
For receiving and processing the detection signal that described test unit sends, send pulse signal and testing result signal to the traction control unit of described test unit, be connected with described test unit.
3. system according to claim 2, is characterized in that, described system also comprises:
For generating detection signal and sending to the signal generator of the signal loading module in described test unit, be connected with described test unit.
4. the system according to Claims 2 or 3, is characterized in that, described system also comprises:
The display device that the pulse signal sent for the transceiver module received in described test unit and testing result signal also show, is connected with described test unit.
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| CN201210003783.XA CN103197662B (en) | 2012-01-06 | 2012-01-06 | Test unit, method and system |
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| CN201210003783.XA CN103197662B (en) | 2012-01-06 | 2012-01-06 | Test unit, method and system |
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| CN103197662A CN103197662A (en) | 2013-07-10 |
| CN103197662B true CN103197662B (en) | 2016-04-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678983B (en) * | 2013-11-28 | 2017-11-03 | 中车大连电力牵引研发中心有限公司 | Traction control unit self-detection circuit |
| CN105738790A (en) * | 2014-12-09 | 2016-07-06 | 中车大连电力牵引研发中心有限公司 | Vehicle current transformer self test method, device and system |
| CN106094797B (en) * | 2016-06-30 | 2020-08-28 | 中车株洲电力机车研究所有限公司 | Self-diagnosis method, system and device for rail vehicle traction control unit |
| CN107656148B (en) * | 2016-07-26 | 2019-08-16 | 株洲中车时代电气股份有限公司 | A kind of high-power converter low-temperature test method |
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| CN1586947A (en) * | 2004-09-09 | 2005-03-02 | 上海交通大学 | Complex test visible system for metro train main loop |
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| JP2011019299A (en) * | 2009-07-07 | 2011-01-27 | Toshiba Corp | Train control device |
| CN202421888U (en) * | 2012-01-06 | 2012-09-05 | 中国北车股份有限公司大连电力牵引研发中心 | Testing apparatus and system |
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| CN1586947A (en) * | 2004-09-09 | 2005-03-02 | 上海交通大学 | Complex test visible system for metro train main loop |
| CN2921851Y (en) * | 2006-07-13 | 2007-07-11 | 中国南车集团戚墅堰机车车辆厂 | Traction electric machine test platform |
| CN1908987A (en) * | 2006-08-24 | 2007-02-07 | 上海地铁运营有限公司 | Method for diagnosing accidents of waveshape recognition based substation locomotive traction circuit |
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Inventor after: Yan Ning Inventor after: Chen Tienian Inventor after: Han Hongbin Inventor after: Xu Congqian Inventor after: Sui Delei Inventor before: Chen Tienian Inventor before: Han Hongbin Inventor before: Xu Congqian Inventor before: Sui Delei |
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