Inverter master control borad fault detection means and its detection method in track traffic【Technical field】
Type of the present invention is related to inverter system maintenance field in track traffic, and in particular to inverse in a kind of track trafficVariable power source master control borad fault detection means and its detection method.
【Background technology】
Inverter master board failure detector mainly for it is domestic often lead, magnificent scholar, just remote, strain institute, Tie Ke institutes it is inverseBecoming the different manufacturers such as device, charger, interface disunity, skimble-scamble inverter master board of powering carries out trouble hunting and testsCard.
【The content of the invention】
It is an object of the invention to provide the inverter master control borad fault detection means and its detection in a kind of track trafficMethod, carries out artificial judgment to solve the trouble hunting of existing car inverter, wastes time and energy, and operating efficiency is low to askTopic.
The present invention adopt the first technical scheme be：Inverter master control borad fault detection means in track traffic,Preset based on judging tested inversion network source real-time status and the detecting system of fault solution is provided including insideCalculation machine, computer passes sequentially through 485 communication modules and analog output module is connected to interface board, and computer is also passed sequentially throughPLC industrial control boards, relay and Switching Power Supply are connected to interface board, and interface board is used to connect tested inverter or charger, quiltSurvey inverter or charger is connected to computer by data collecting card；
Analog output module, carries out performance test to which for output voltage values to tested inverter；
PLC industrial control boards, for controlling the output of connected relay；
Relay, for controlling the startup and stopping of correspondence Switching Power Supply；
Switching Power Supply, for output voltage to corresponding interface board；
485 communication modules, export the master control of different voltages to tested inverter for controlling analog output modulePlate, so as to the test under the conditions of different performance is carried out to tested inverter master control borad；It is additionally operable to cycle transmission information command to disappearCease to the master control borad of tested inverter, then tested inverter master control borad sends response message and is uploaded to computer, response letterBreath includes voltage, electric current, frequency and failure code；
Data collecting card, for gathering the voltage signal of tested inverter or charger output, and voltage signal is sent outDeliver to computer；
Computer, for receiving the response message that tested inverter master control borad sends, and response message is analyzed,Process and show；It is additionally operable to receive the voltage signal sent by data collecting card, and voltage signal is carried out with standard informationRelatively：If information is consistent with standard information, that is, illustrate that tested inverter master control borad does not have failure, the tested inversion of Computer displayPower supply master control borad is working properly；If information is not inconsistent with correct information, that is, illustrate that tested inverter master control borad is faulty, computerThe upper nonconformance for showing tested inverter master control borad, and the trouble hunting method of correspondence nonconformance.
Further, relay includes being set up in parallel the first relay, the second relay, the 3rd relay, the 4th afterElectrical equipment and the 5th relay, the first relay Jing first switch power supplys are connected to first interface plate, and the second relay Jing second is openedPowered-down source is connected to second interface plate, and the 3rd Switching Power Supplies of the 3rd relay Jing are connected to the 3rd interface board, the 4th relay Jing4th Switching Power Supply is connected to the 4th interface board, and the 5th Switching Power Supplies of the 5th relay Jing are connected to the 5th interface board.
Further, first interface plate, second interface plate, the 3rd interface board, the 4th interface board and the 5th interface board differenceCorrespondence connects just remote master control borad, magnificent scholar's master control borad, often leads master control borad, strain institute's master control borad and iron section master control borad.
Further, PLC industrial control boards pass sequentially through the 6th relay and the 6th Switching Power Supply is connected to pulse signal generationDevice, the 6th Switching Power Supply and pulse signal generator are used to be connected with tested driving plate, and tested driving plate is used for by voltageDetection plate and data collecting card are connected to computer；
6th relay, for powering for pulse signal generator；
6th Switching Power Supply, for output voltage to pulse signal generator；
Pulse signal generator, for exporting 50% pulse square wave of 5V dutycycles to tested driving plate；
Computer, for detecting quiescent output voltage of the tested driving plate per road and the dynamic electric voltage per road, and by static stateOutput voltage and dynamic electric voltage carry out automatic multilevel iudge with default parameter voltages respectively, if two magnitudes of voltage are consistent,Judge that tested driving plate is qualified；If two magnitudes of voltage are inconsistent, judge that tested driving plate is unqualified.
The present invention adopt second technical scheme be, the inverter master control borad fault detection means in track trafficDetection method, specifically implements according to following steps：
Step 1, according to the corresponding interface board of type selecting of tested inverter, then by tested inverter master control boradPower interface, relay output interface be connected on corresponding interface board, then by the pulse on tested inverter master control boradIn corresponding driving plate, then driving interface is connected to, and the communication interface on tested inverter master control borad is connected to deviceUpper 485 communication module, PLC industrial control boards, data collecting card are connected to computer；
Step 2, the detecting system started on computer；
Step 3, start test：
The master control borad of analog output module output voltage to tested inverter is controlled by 485 communication modules, is changed defeatedGo out the size of voltage, so that different performance tests are carried out to tested inverter master control borad；485 communication modules, cycle sendThe master control borad of information command message to tested inverter, master control borad and send response message be uploaded to computer be analyzed,Process, show；Message Jing is processed and shows the information such as the voltage of tested master control borad, electric current, frequency, failure code；
Capture card gathers tested inverter master control borad relay output interface 24V information of voltage, and by industrial computerInterior inspection software is judged to information：
If information is consistent with standard information, that is, illustrate that tested inversion master control borad does not have failure, industrial computer shows testedInversion master control borad is working properly；
If information is not inconsistent with correct information, that is, illustrates that tested inversion master control borad is faulty, show on industrial computer testedThe nonconformance of inversion master control borad, and the trouble hunting method of correspondence nonconformance.
Further, standard information is the failure generation of tested inversion master control borad relay output 24V voltages and normal workCode.
Further, in step 2, after starting industrial computer, need to inspection software interface input test essential information,Tested inverter master control borad producer is selected, start button is clicked on and is tested automatically.
Further, in step 3, tested inverter master control borad is carried out different performance tests include it is under-voltage, over-pressed,Cross current test.
Further, the detection method of tested driving plate is：
Start the 6th relay to power for pulse signal generator, it is static defeated per road by the tested driving plate of COMPUTER DETECTIONGo out voltage；
Starting impulse signal generator, and 50% pulse square wave of 5V dutycycles is exported to tested driving plate, by calculating machine examinationSurvey dynamic electric voltage of the tested driving plate per road；
The quiescent output voltage and dynamic electric voltage of computer acquisition are compared automatically with default parameter voltages respectivelyJudge, if two magnitudes of voltage are consistent, judge that tested driving plate is qualified；If two magnitudes of voltage are inconsistent, judge testedDriving plate is unqualified.
The invention has the beneficial effects as follows：
1. automatic test can be carried out to car inverter master control borad fault, without the need for artificial judgment, guided maintenance peopleMember quickly and accurately carries out localization process to failure, improves the efficiency and level of maintenance, saves the cost for keeping in repair, shortens maintenanceCycle.
2. by the inverter master control plate interface unified standardization of different manufacturers.
【Description of the drawings】
Fig. 1 is the structural representation of the inverter master control borad fault detection means in track traffic of the present invention；
Fig. 2 is the knot of pulse signal generator in the inverter master control borad fault detection means in track traffic of the present inventionStructure schematic diagram；
Fig. 3 is the detecting system flow chart in the inverter master control borad fault detection means in track traffic of the present invention.
Wherein, 1. computer, 2.485 communication modules, 3. analog output module, 4.PLC industrial control boards, 5. the first relayDevice, 6. the second relay, 7. the 3rd relay, 8. the 4th relay, 9. the 5th relay, 10. the 6th relay, 11. firstSwitching Power Supply, 12. second switch power supplys, 13. the 3rd Switching Power Supplies, 14. the 4th Switching Power Supplies, 15. the 5th Switching Power Supplies, 16.6th Switching Power Supply, 17. first interface plates, 18. second interface plates, 19. the 3rd interface boards, 20. the 4th interface boards, 21. the 5thInterface board, 22. pulse signal generators, 23. tested driving plates, 24. voltage detecting plates, 25. just remote master control borads, 26. Hua ShizhuControl plate, 27. often lead master control borad, 28. plants of institute's master control borads, 29. iron section master control borads, 30. data collecting cards.
【Specific embodiment】
Below by drawings and Examples, technical scheme is described in further detail.
The invention provides the inverter master control borad fault detection means in a kind of track traffic, as shown in figure 1, includingPreset for judging the computer of tested inversion network source real-time status the detecting system for providing fault solution inside1, computer 1 passes sequentially through 485 communication modules 2 and analog output module 3 is connected to interface board, and computer 1 is also passed sequentially throughPLC industrial control boards 4, relay and Switching Power Supply are connected to interface board, and interface board 17 is used to connect tested inverter or charger,Tested inverter or charger are connected to computer 1 by data collecting card 30；
Analog output module 3, carries out performance test to which for output voltage values to tested inverter；PLC worksControl plate 4, for controlling the output of connected relay；Relay, for controlling the startup and stopping of correspondence Switching Power Supply；Switching Power Supply, for output voltage to corresponding interface board；
485 communication modules 2, export the master of different voltages to tested inverter for controlling analog output module 3Control plate, so as to the test under the conditions of different performance is carried out to tested inverter master control borad；It is additionally operable to cycle transmission information commandThe master control borad of message to tested inverter, then tested inverter master control borad send response message and be uploaded to computer 1, respondInformation includes voltage, electric current, frequency and failure code；
Data collecting card 30, for gathering the voltage signal of tested inverter or charger output, and by voltage signalSend to computer 1；
Computer 1, for receiving the response message that tested inverter master control borad sends, and is carried out to response message pointAnalysis, process and display；It is additionally operable to receive the voltage signal that sent by data collecting card 30, and by voltage signal and standard informationIt is compared：If information is consistent with standard information, that is, illustrate that tested inverter master control borad does not have failure, computer 1 shows quiltSurvey inverter master control borad working properly；If information is not inconsistent with correct information, that is, illustrate that tested inverter master control borad is faulty,The nonconformance of tested inverter master control borad, and the trouble hunting method of correspondence nonconformance are shown on computer 1.
Wherein, relay includes being set up in parallel the first relay 5, the second relay 6, the 3rd relay 7, the 4th relayDevice 8 and the 5th relay 9,5 Jing first switches power supply 11 of the first relay are connected to first interface plate 17,6 Jing of the second relaySecond switch power supply 12 is connected to second interface plate 18, and the 3rd Switching Power Supplies 13 of 7 Jing of the 3rd relay are connected to the 3rd interface boardThe 4th Switching Power Supply 14 of 19,8 Jing of the 4th relay is connected to the 4th interface board 20, the 5th Switching Power Supplies 15 of 9 Jing of the 5th relayIt is connected to the 5th interface board 21.
First interface plate 17, second interface plate 18, the 3rd interface board 19, the 4th interface board 20 and the 5th interface board 21 are distinguishedCorrespondence connects just remote master control borad 25, magnificent scholar's master control borad, often leads master control borad, strain institute's master control borad and iron section master control borad.
In addition, PLC industrial control boards 4 can also pass sequentially through the 6th relay 10 and the 6th Switching Power Supply 16 is connected to pulse letterNumber generator 22, the 6th Switching Power Supply 16 and pulse signal generator 22 are used to be connected with tested driving plate 23, tested drivingPlate 23 is used to be connected to computer 1 by voltage detecting plate 24 and data collecting card 30；
6th relay 10, for powering for pulse signal generator 22；6th Switching Power Supply 16, for output voltage extremelyPulse signal generator 22；Pulse signal generator 22, for exporting 50% pulse square wave of 5V dutycycles to tested driving plate 23；
Computer 1, for detecting quiescent output voltage of the tested driving plate 23 per road and the dynamic electric voltage per road, and will be quietState output voltage and dynamic electric voltage carry out automatic multilevel iudge with default parameter voltages respectively, if two magnitudes of voltage are consistent,Then judge that tested driving plate 23 is qualified；If two magnitudes of voltage are inconsistent, judge that tested driving plate 23 is unqualified.Above-mentioned parameterVoltage is configured according to the output voltage values of the driving plate of one piece of normal work of prior manual measurement.
Wherein, voltage detecting plate 24 is additionally coupled to data collecting card 30, and voltage detecting plate 24 is exactly by tested driving plate 23The voltage scale of output is depressurized in the range of-the 10-10V of 30 analog acquisition of data collecting card, prevents bad plate output voltageIt is too high to burn 30 pin of data collecting card, protection will be depressured.
Present invention also offers a kind of detection method of the inverter master control borad fault detection means in track traffic, toolBody is implemented according to following steps：
Step 1, according to the corresponding interface board of type selecting of tested inverter, then by tested inverter master control boradPower interface, relay output interface be connected on corresponding interface board, then by the pulse on tested inverter master control boradDriving interface is connected in corresponding driving plate.Tested inverter master control borad must additional driving plate, additional driving plate withThe necessary same producer of tested master control borad, otherwise interface mismatch, are not added with driving plate master control borad and do not play machine, wrap on interface boardInclude driving plate power interface.Then, the communication interface on tested inverter master control borad is connected to into 485 communication module on device2, PLC industrial control boards 4, data collecting card 30 are connected to computer 1, and power supply output is connected to interface board.
Step 2, the detecting system started on computer 1：After starting industrial computer 1, need defeated to inspection software interfaceEnter and test essential information, select tested inverter master control borad producer, click on start button and tested automatically.
Step 3, start test：
The master control borad of 3 output voltage of analog output module to tested inverter is controlled by 485 communication modules 2, is changedThe size of output voltage, so as to carry out different performance tests to tested inverter master control borad, different performance tests includeUnder-voltage, over-pressed, mistake current test；
The 485 communication modules 2 also cycle sends the master control borad of information command message to tested inverter, and master control borad simultaneously sendsResponse message is uploaded to computer 1 and is analyzed, processes, shows；Message Jing processes voltage, the electricity for showing tested master control boradThe information such as stream, frequency, failure code；
Capture card gathers tested inverter master control borad relay output interface 24V information of voltage, and by industrial computer 1Interior inspection software is judged to information：
If information is consistent with standard information, that is, illustrate that tested inversion master control borad does not have failure, industrial computer 1 shows testedInversion master control borad is working properly；
If information is not inconsistent with correct information, that is, illustrates that tested inversion master control borad is faulty, on industrial computer 1, show quiltSurvey the nonconformance of inversion master control borad, and the trouble hunting method of correspondence nonconformance；
Above-mentioned standard information is the failure code of tested inversion master control borad relay output 24V voltages and normal work.
Present invention also offers in a kind of inverter master control borad fault detection means in track traffic, to tested drivingThe detection method of plate 23 is：
Start the 6th relay 10 to power for pulse signal generator 22, detect tested driving plate 23 per road by computer 1Quiescent output voltage；
Starting impulse signal generator 22, and export 50% pulse square wave of 5V dutycycles to tested driving plate 23, by calculatingMachine 1 detects dynamic electric voltage of the tested driving plate 23 per road；
The quiescent output voltage that computer 1 is gathered and dynamic electric voltage are compared automatically with default parameter voltages respectivelyJudge, if two magnitudes of voltage are consistent, judge that tested driving plate 23 is qualified；If two magnitudes of voltage are inconsistent, quilt is judgedSurvey driving plate 23 unqualified.Wherein, parameter voltages are arranged according to one piece of good driving plate output voltage values of prior manual measurement's.
Embodiment 1：
The invention provides the inverter master control borad fault detection means in a kind of track traffic, including computer 1, meterCalculation machine 1 is connected with 485 communication modules 2, PLC industrial control boards 4 and data collecting card 30 respectively.Wherein, 485 communication module, 2 analog quantityThe connection first interface plate 17, second interface plate 18 of output module 3, the 3rd interface board 19, the 4th interface board 20, the 5th interface board21.PLC industrial control boards 4 respectively with the first relay 5, the second relay 6, the 3rd relay 7, the 4th relay 8, the 5th relay9th, the 6th relay 10 connects.The connection first switch power supply 11 of first relay 5, the connection second switch power supply of the second relay 612nd, the 3rd relay 7 connects the 3rd Switching Power Supply 13, the 4th relay 8 the 4th Switching Power Supply 14 of connection, the 5th relay 9 and connectsConnect the 5th Switching Power Supply 15, the 6th relay 10 and connect the 6th Switching Power Supply 16, in addition the connection of the 6th Switching Power Supply 16 pulse letterNumber generator 22.6th Switching Power Supply 16 is connected tested driving plate 23 with pulse signal generator 22, and tested driving plate 23 connectsVoltage detecting plate 24.First interface plate 17 connects just remote master control borad 25, second interface plate 18 and connects magnificent scholar's master control borad the 26, the 3rd and connectsOralia 19 connectsPlate 29, tested inverter, charger master control borad are connected capture card 30 with voltage detecting plate 24.
Embodiment 2：
Using computer 1 to the process of tested inverter, the detection of charger master control borad it is：Tested inverter, chargingMachine master control borad connecting interface plate, on computer 1, detecting system passes through 232 serial ports to PLC industrial control boards 4 according to tested master control borad typeInstruction is sent, the corresponding actuating of relay is controlled, and then is started the Switching Power Supply of the corresponding power supply of tested master control borad.Specifically testedJourney is introduced respectively：1. just remote master control borad 25 connects first interface plate 17 and analog output module 3, and computer 1 is by detecting systemSystem pilot project selects just remote master control borad item, and computer 1 sends instructions to PLC industrial control boards 4 by 232 serial ports, startup first afterElectrical equipment 5 and first switch power supply 11 are powered to tested just remote master control borad by first interface plate 17, and simultaneous computer 1 passes through 485Communication module 2 sends communication instruction to analog output module 3, and control analog output module 3 is fed back to first interface plate 17Voltage signal tests the performance of tested just remote master control borad, and master control borad output voltage and contactor output signal are transmitted by PLC 30Shown to 1 detecting system interface of computer in real time；
2. magnificent scholar's master control borad 26 connects second interface plate 18 and analog output module 3, and computer 1 is tried by detecting systemItems selection China scholar's master control borad item is tested, computer 1 sends instructions to PLC industrial control boards 4 by 232 serial ports, starts the second relay 6And second switch power supply 12 is powered to tested magnificent scholar's master control borad by second interface plate 18, simultaneous computer 1 is by 485 communication mouldsBlock 2 sends communication instruction to analog output module 3, and control analog output module 3 is believed to 18 feedback voltage of second interface plateThe performance of number tested just remote master control borad of test, master control borad output voltage and contactor output signal are transmitted to calculating by PLC 30Machine is shown on 1 detecting system interface in real time；
3. often lead master control borad 27 and connect the 3rd interface board 19 and analog output module 3, computer 1 is tried by detecting systemTest items selection and often lead master control borad item, computer 1 sends instructions to PLC industrial control boards 4 by 232 serial ports, starts the 3rd relay 7And the 3rd Switching Power Supply 13 powered to tested magnificent scholar's master control borad by the 3rd interface board 19, simultaneous computer 1 by 485 communication mouldsBlock 2 sends communication instruction to analog output module 3, and control analog output module 3 is believed to 19 feedback voltage of the 3rd interface boardThe performance of number tested magnificent scholar's master control borad of test, master control borad output voltage and contactor output signal are transmitted to calculating by PLC 30Machine is shown on 1 detecting system interface in real time；
4. plant institute's master control borad 28 connects the 4th interface board 20 and analog output module 3, and computer 1 is tried by detecting systemItems selection strain institute master control borad item is tested, computer 1 sends instructions to PLC industrial control boards 4 by 232 serial ports, starts the 4th relay 8And the 4th Switching Power Supply 14 powered to tested strain institute master control borad by the 4th interface board 20, simultaneous computer 1 by 485 communication mouldsBlock 2 sends communication instruction to analog output module 3, and control analog output module 3 is believed to 20 feedback voltage of the 4th interface boardNumber test the performance of tested strain institute master control borad, master control borad output voltage and contactor output signal by PLC industrial control boards 4 transmit toComputer is shown on 1 detecting system interface in real time；
5. iron section master control borad 29 connects the 5th interface board 21 and analog output module 3, and computer 1 is tried by detecting systemItems selection iron section master control borad item is tested, computer 1 sends instructions to PLC industrial control boards 4 by 232 serial ports, starts the 5th relay 9And the 5th Switching Power Supply 15 powered to tested iron section master control borad by the 5th interface board 21, simultaneous computer 1 by 485 communication mouldsBlock 2 sends communication instruction to analog output module 3, and control analog output module 3 is believed to 21 feedback voltage of the 5th interface boardNumber test the performance of tested iron section master control borad, master control borad output voltage and contactor output signal by PLC industrial control boards 4 transmit toComputer is shown on 1 detecting system interface in real time.
Embodiment 3：
In Fig. 2, the process operated by pulse signals generator 22 is：On computer 1, detecting system is according to tested driveDynamic plate type is sent to PLC industrial control boards 4 by 232 serial ports and is instructed, and controls the corresponding actuating of relay, and then starting impulse signalThe triggering pwm pulse signal of generator 22 is exported, and specific operation process is：After pulse signal generator 22 is powered, the 6th relayPin 1 is closed, and the P0.0 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to tested iron section driving plate 23；6th relay pin 2 is closed, the P0.1 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to it is tested oftenLead charger driving plate 23；6th relay pin 3 is closed, and the P0.2 pins of the 51MCU of pulse signal generator 22 send PWMPulse signal often leads inverter driving plate 23 to tested；6th relay pin 4 is closed, pulse signal generator 22P0.3 the and P0.4 pins of 51MCU send sine wave SPWM pulse signals to tested just remote driving plate 23；6th relay pin 5Closure, the P0.5 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to tested magnificent scholar's charger driving plate23；6th relay pin 6 is closed, and the P0.6 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to testedMagnificent scholar's inverter driving plate 23；6th relay pin 7 is closed, and the P1.0 pins of the 51MCU of pulse signal generator 22 are sent outGo out pwm pulse signal to the charged machine driving plate of tested strain 23；6th relay pin 8 is closed, pulse signal generator 22The P1.1 pins of 51MCU send pwm pulse signal to tested strain institute inverter driving plate 23.
Embodiment 4：
The operating process of fault detect is carried out to tested inversion master control borad using the present invention as shown in figure 3, when testing, first connectingTested master control borad and interface board are connected, then starts the detecting system software on computer 1, input User logs in account and closeCode, into test main interface.Corresponding information such as license number, numbering, test item are filled in system main interface essential information hurdleThe essential informations such as mesh, start test, and tested inversion master control borad is by capture card 30 to 1 transmission data of computer, detecting system meetingWhether qualified according to the tested inversion master control borad of information automatic decision for receiving, system automatically generates the detailed side of correspondence trouble huntingMethod and flow process, guided maintenance personnel carry out quickly and accurately processing to inversion master control borad fault.It is completed, closes software,System automatically saves test failure information and facilitates technical staff to consult.