CN103197662A - Testing device, method and system - Google Patents
Testing device, method and system Download PDFInfo
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- CN103197662A CN103197662A CN201210003783XA CN201210003783A CN103197662A CN 103197662 A CN103197662 A CN 103197662A CN 201210003783X A CN201210003783X A CN 201210003783XA CN 201210003783 A CN201210003783 A CN 201210003783A CN 103197662 A CN103197662 A CN 103197662A
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Abstract
The invention provides a testing device, a method and a system, wherein the method includes: loading detection signals, and the detection signals comprises analog signals, digital signals, speed pulse signals and fault feedback signals; sending the detection signals to a traction control unit, receiving pulse signals and detection result signals, and the pulse signals and the detection result signals are sent by the traction control unit; confirming whether stoppages exist in the traction control unit or not according to the pulse signals and the detection result signals. The existing problem that a test to the traction control unit of an electric locomotive cannot be achieved quickly and effectively in the prior art is solved.
Description
Technical field
The present invention relates to the electric locomotive technical field, relate in particular to a kind of test unit, method and system.
Background technology
The electric locomotive traction control module is the core component of electric locomotive traction current transformer, and is expensive, therefore before being installed to train, need 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 does not provide the proving installation of this traction control unit as yet, at present, need this traction control unit is installed on the train and detect, can cause big, the consuming time length of workload, efficient low like this, but also damage this traction control unit because of misoperation easily.
How not only fast but function test, routine test and the type approval test finished effectively the traction control unit 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, can solve that prior art exists can't be not only fast but also finish problem to the test of electric locomotive traction control module effectively.
First aspect of the present invention provides a kind of test unit, comprising:
Be used for loading the signal loading module of detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
Be used for sending described detection signal to the traction control unit, receive pulse signal and testing result signal that described traction control unit sends, and described pulse signal and described testing result signal sent to the transceiver module of microprocessor, described transceiver module is connected with described signal loading module;
Be used 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:
Be used for according to described pulse signal and described testing result signal, determine that whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
Be used for determining that there is fault in described traction control unit, the analysis and processing unit that generates failure message and failure message is analyzed and handled is connected with described fault determining unit.
Above-mentioned test unit also comprises:
Be used for generating the detection signal mimic channel of described detection signal, be connected with described signal loading module;
Be used 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:
Be used for showing first display unit of described pulse signal;
Be used for showing second display unit of described testing result signal.
Another aspect of the present invention provides a kind of pilot system, comprising:
Above-mentioned test unit;
Be used for receiving and handling 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:
Be used for generating detection signal, and send to the signal generator of the signal loading module in the described test unit, be connected with described test unit;
The pulse signal and the testing result signal that are used for the transceiver module transmission of the described test unit of reception, and the display device that shows are connected with described test unit.
Another aspect of the present invention provides 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 the traction control unit, receive pulse signal and testing result signal that described traction control unit sends;
According to described pulse signal and described testing result signal, determine whether described traction control unit exists fault.
The embodiment of the invention adopts by the traction control unit is loaded detection signal, pulse signal and testing result signal according to traction control unit feedback, determine whether the traction control unit exists the technological means of fault, can finish the test to the electric locomotive traction control module fast again effectively.
Description of drawings
The structural representation of the test unit that Fig. 1 provides for the embodiment of the invention one;
Fig. 2 is the structural representation of test unit application system shown in the embodiment of the invention one;
The structural representation of the pilot system that Fig. 3 provides for the embodiment of the invention two;
The schematic flow sheet of the test method that Fig. 4 provides for the embodiment of the invention three.
Embodiment
The structural representation of the test unit that Fig. 1 provides for the embodiment of the invention one, Fig. 2 is the structural representation of test unit application system shown in the embodiment of the invention one, as shown in Figure 1, this device comprises:
Be used 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 instance, test unit can be by receiving the detection signal that the external signal generator provides, the signal loading module 11 concrete described detection signals that are used for loading described signal generator generation, as shown in Figure 2, the test unit of present embodiment receives the external signal generator, as the digital signal that digital signal switching circuit provides, is used for the starting and stopping of simulation cab on electric locomotive control locomotive, acceleration and deceleration, rectifier is jumped main disconnected, and inverter is jumped main disconnected, and axle is isolated, bogie is isolated, and isolates feedback etc.; Receive the external signal generator, as the simulating signal that first signal source provides, be used for simulation electric locomotive grid side electric current, voltage, four-quadrant rectification medium voltage, the motor side electric current, coolant water temperature, hydraulic pressure, ground connection is detected electric current, chopper current, motor temperature, transformer primary current etc.; Receive the external signal generator, provide speed pulse signal as the secondary signal source, be used for simulation electric locomotive actual speed, realize speed closed loop control; Receive the external signal generator, as the fault feedback signal that insulated gate transistor provides, be used for the running status of analog insulation gridistor.
Be used for sending described detection signal to the traction control unit, receive pulse signal and testing result signal that described traction control unit sends, and described pulse signal and described testing result signal sent to the transceiver module 12 of microprocessor, transceiver module 12 is connected with signal loading module 11;
Particularly, present embodiment can be connected test unit by the aviation socket with the traction control unit.Further, test unit can also provide power supply for the traction control unit by the aviation socket.
For instance, the inside, traction control unit of present embodiment comprises central processing unit, testing result signal and pulse signal are handled and generated to central processing unit to the detection signal that receives, described testing result signal comprises simulating signal, digital signal, speed pulse signal, the fault feedback signal after the processing, and central processing unit sends to pulse signal and testing result signal the transceiver module 12 of test unit in real time by the bus communication mode.
In further example, the central processing unit of traction control unit also can send to pulse signal and testing result signal on the external PC and show, is used for the duty that the tester analyzes the traction control unit.
Be used 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, pulse signal or testing result signal feedback are given little processing 13 of test unit, microprocessor 13 determines according to the pulse signal that feeds back to or the duty of testing result signal analysis traction control unit whether the traction control unit exists fault.
Further, this microprocessor 13 specifically comprises:
Be used for according to described pulse signal and described testing result signal, determine that whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
Be used for determining that there is fault in described traction control unit, the analysis and processing unit that generates failure message and failure message is analyzed and handled is connected with described fault determining unit.
As shown in Figure 2, this microprocessor 13 further can also send to this failure message on the external PC and store, and handles for analyzing failure cause and to failure message.
Need to prove that the test unit of present embodiment also can comprise for instance:
Be used for generating the detection signal mimic channel 14 of described detection signal, be connected with signal loading module 11; The signal loading module 11 concrete described detection signals that are used for loading 14 generations of detection signal mimic channel;
Be used for showing the display circuit 15 of described pulse signal and described testing result signal, be connected with transceiver module 12, whether pulse signal or testing result signal that can the real-time monitored tested traction control unit of tester sends be correct, can determine intuitively whether the traction control unit exists fault.
Particularly, this display circuit 15 comprises:
Be used for showing first display unit of described pulse signal;
Be used for showing second display unit of described testing result signal.
In further example, this test unit can show pulse signal and testing result signal by the external display device of test unit intuitively, is used for the duty that the tester analyzes the traction control unit.As shown in Figure 2, the test unit display device of present embodiment, as external oscillograph, in order to the pulse signal that shows that the traction control unit sends, test unit is external other display device also, are used for the testing result signal that shows that the traction control unit sends.Whether testing crew can correct by pulse signal or testing result signal that external oscillograph or the tested traction control unit of other display device real-time monitored send, can determine intuitively whether the traction control unit exists fault.
Present embodiment adopts transceiver module that the detection signal of signal loading module loading is sent to the traction control unit, pulse signal and the testing result signal of traction control unit feedback are sent to microprocessor, determine whether the traction control unit exists the technological means of fault, can finish the test to the electric locomotive traction control module fast again effectively, simultaneously, also by microprocessor running status and the failure message of traction control unit are analyzed and handled, the Function detection to the 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 invention two comprises:
The described test unit 31 of device embodiment shown in Figure 1;
Be used for receiving the also detection signal of Processing Test device 31 transmissions, 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:
Be used for generating detection signal, and send to the signal generator 33 of the signal loading module in the test unit 31, be connected with test unit 31;
The pulse signal and the testing result signal that are used for the transceiver module transmission of acceptance test device 31, and the display device 34 that shows are connected with test unit 31.
Further, described system also comprises the PC that is connected with test unit 31, and test unit 31 can send to failure message on the PC and store, and handles for analyzing failure cause and to failure message.
The described system of present embodiment can realize the function of the described test unit of device embodiment shown in Figure 1, and it realizes that principle and technique effect repeat no more.
The schematic flow sheet of the test method that Fig. 4 provides for the embodiment of the invention three, this method specifically comprises:
For instance, test unit can generate detection signal by inner detection signal mimic channel simulation, perhaps receives the detection signal that the external signal generator provides.
Particularly, present embodiment can be connected test unit by the aviation socket with the traction control unit.Further, test unit can also provide power supply for the traction control unit by the aviation socket.
For instance, the inside, traction control unit of present embodiment comprises central processing unit, testing result signal and pulse signal are handled and generated to central processing unit to the detection signal that receives, and described testing result signal comprises simulating signal, digital signal, speed pulse signal, the fault feedback signal after the processing.
Central processing unit sends to test unit by the bus communication mode in real time with pulse signal and testing result signal.In further example, the traction control unit also can send to pulse signal and testing result signal on the external PC and show, is used for the duty that the tester analyzes the traction control unit.
For instance, test unit can show pulse signal and testing result signal intuitively by the external display device of test unit or built-in display circuit, whether the pulse signal or the testing result signal that are used for the tested traction control unit transmission of tester's real-time monitored be correct, can determine intuitively whether the traction control unit exists fault.
In further example, the central processing unit of traction control unit also can be given pulse signal or testing result signal feedback the microprocessor of test unit, microprocessor determines according to the pulse signal that feeds back to or the duty of testing result signal analysis traction control unit whether the traction control unit exists fault.
Further, if this microprocessor determines that there is fault in the traction control unit, then generate failure message, and described failure message is carried out analyzing and processing; Perhaps, this microprocessor can also send to this failure message on the external PC and store, and handles for analyzing failure cause and to failure message.
The method of present embodiment can realize the function of test unit shown in Figure 1, and its realization principle and technique effect are similar, repeat no more herein.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although the present invention has been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a test unit is characterized in that, comprising:
Be used for loading the signal loading module of detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
Be used for sending described detection signal to the traction control unit, receive pulse signal and testing result signal that described traction control unit sends, and described pulse signal and described testing result signal sent to the transceiver module of microprocessor, described transceiver module is connected with described signal loading module;
Be used 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.
2. device according to claim 1 is characterized in that, described microprocessor comprises:
Be used for according to described pulse signal and described testing result signal, determine that whether described traction control unit exists the fault determining unit of fault, is connected with described transceiver module;
Be used for determining that there is fault in described traction control unit, the analysis and processing unit that generates failure message and failure message is analyzed and handled is connected with described fault determining unit.
3. device according to claim 1 is characterized in that, described device also comprises:
Be used for generating the detection signal mimic channel of described detection signal, be connected with described signal loading module;
Be used for showing the display circuit of described pulse signal and described testing result signal, be connected with described transceiver module.
4. device according to claim 3 is characterized in that, described display circuit comprises:
Be used for showing first display unit of described pulse signal;
Be used for showing second display unit of described testing result signal.
5. a pilot system is characterized in that, comprising:
As each described test unit among the claim 1-2;
Be used for receiving and handling 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.
6. system according to claim 5 is characterized in that, described system also comprises:
Be used for generating detection signal, and send to the signal generator of the signal loading module in the described test unit, be connected with described test unit.
7. according to claim 5 or 6 described systems, it is characterized in that described system also comprises:
The pulse signal and the testing result signal that are used for the transceiver module transmission of the described test unit of reception, and the display device that shows are connected with described test unit.
8. a test method is characterized in that, comprising:
Load detection signal, described detection signal comprises simulating signal, digital signal, speed pulse signal and fault feedback signal;
Send described detection signal to the traction control unit, receive pulse signal and testing result signal that described traction control unit sends;
According to described pulse signal and described testing result signal, determine whether described traction control unit exists fault.
9. method according to claim 8 is characterized in that, described definite described traction control unit also comprises after whether having fault:
If determine that there is fault in described traction control unit, then generate failure message, and failure message is analyzed and handled.
10. method according to claim 8 is characterized in that, after the pulse signal and testing result signal that the described traction control of described reception unit sends, comprising:
Show described pulse signal and testing result signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210003783.XA CN103197662B (en) | 2012-01-06 | 2012-01-06 | Test unit, method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210003783.XA CN103197662B (en) | 2012-01-06 | 2012-01-06 | Test unit, method and system |
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| CN103197662A true CN103197662A (en) | 2013-07-10 |
| CN103197662B CN103197662B (en) | 2016-04-27 |
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Cited By (4)
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| 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 |
| CN106094797A (en) * | 2016-06-30 | 2016-11-09 | 中车株洲电力机车研究所有限公司 | Self-diagnosing method, system and the device of a kind of rail vehicle traction control unit |
| 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 |
| CN107656148A (en) * | 2016-07-26 | 2018-02-02 | 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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| 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 |
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| CN107656148A (en) * | 2016-07-26 | 2018-02-02 | 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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| CN103197662B (en) | 2016-04-27 |
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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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