CN106526503A - Inverter power supply main control board fault detection device in rail transit and detection method thereof - Google Patents
Inverter power supply main control board fault detection device in rail transit and detection method thereof Download PDFInfo
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- CN106526503A CN106526503A CN201611208913.8A CN201611208913A CN106526503A CN 106526503 A CN106526503 A CN 106526503A CN 201611208913 A CN201611208913 A CN 201611208913A CN 106526503 A CN106526503 A CN 106526503A
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000011056 performance test Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Abstract
The invention discloses an inverter power supply main control board fault detection device in rail transit and a detection method thereof. The inverter power supply main control board fault detection device in the rail transit comprises a computer which is provided with a detection system used for judging the real-time state of a to-be-detected inverter net power supply and providing a fault solution inside in advance; the computer is connected to an interface board by virtue of a 485 communication module and an analog quantity output module sequentially; the computer is also connected to the interface board by virtue of a PLC industrial control board, a relay and a switching power supply sequentially; the interface board is used for being connected with a to-be-detected inverter power supply or charger; and the to-be-detected inverter power supply or charger is connected to the computer by virtue of a data acquisition card. The inverter power supply main control board fault detection device can be used for solving the problems that as manual judgment is adopted in existing passenger car inverter power supply fault maintenance, both time and energy are wasted and working efficiency is low.
Description
【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 traffic
Variable 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 inverse
Becoming the different manufacturers such as device, charger, interface disunity, skimble-scamble inverter master board of powering carries out trouble hunting and tests
Card.
【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 traffic
Method, carries out artificial judgment to solve the trouble hunting of existing car inverter, wastes time and energy, and operating efficiency is low to ask
Topic.
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 inside
Calculation machine, computer passes sequentially through 485 communication modules and analog output module is connected to interface board, and computer is also passed sequentially through
PLC industrial control boards, relay and Switching Power Supply are connected to interface board, and interface board is used to connect tested inverter or charger, quilt
Survey 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 module
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 command to disappear
Cease to the master control borad of tested inverter, then tested inverter master control borad sends response message and is uploaded to computer, response letter
Breath 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 out
Deliver 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 information
Relatively：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 display
Power 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, computer
The 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 after
Electrical 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 opened
Powered-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 Jing
4th 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 difference
Correspondence 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 generation
Device, 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 voltage
Detection 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 state
Output 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 traffic
Detection 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 borad
Power interface, relay output interface be connected on corresponding interface board, then by the pulse on tested inverter master control borad
In corresponding driving plate, then driving interface is connected to, and the communication interface on tested inverter master control borad is connected to device
Upper 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 defeated
Go out the size of voltage, so that different performance tests are carried out to tested inverter master control borad；485 communication modules, cycle send
The 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 computer
Interior 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 tested
Inversion 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 tested
The 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 work
Code.
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 DETECTION
Go out voltage；
Starting impulse signal generator, and 50% pulse square wave of 5V dutycycles is exported to tested driving plate, by calculating machine examination
Survey 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 respectively
Judge, if two magnitudes of voltage are consistent, judge that tested driving plate is qualified；If two magnitudes of voltage are inconsistent, judge tested
Driving 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 people
Member quickly and accurately carries out localization process to failure, improves the efficiency and level of maintenance, saves the cost for keeping in repair, shortens maintenance
Cycle.
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 invention
Structure 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 relay
Device, 6. the second relay, 7. the 3rd relay, 8. the 4th relay, 9. the 5th relay, 10. the 6th relay, 11. first
Switching 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 5th
Interface board, 22. pulse signal generators, 23. tested driving plates, 24. voltage detecting plates, 25. just remote master control borads, 26. Hua Shizhu
Control 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, including
Preset for judging the computer of tested inversion network source real-time status the detecting system for providing fault solution inside
1, 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 through
PLC 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 works
Control 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 3
Control 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 command
The master control borad of message to tested inverter, then tested inverter master control borad send response message and be uploaded to computer 1, respond
Information 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 signal
Send to computer 1；
Computer 1, for receiving the response message that tested inverter master control borad sends, and is carried out to response message point
Analysis, 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 information
It 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 quilt
Survey 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 relay
Device 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 relay
Second 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 board
The 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 relay
It 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 distinguished
Correspondence 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 letter
Number generator 22, the 6th Switching Power Supply 16 and pulse signal generator 22 are used to be connected with tested driving plate 23, tested driving
Plate 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 extremely
Pulse 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 quiet
State 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 parameter
Voltage 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 23
The 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 voltage
It 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, tool
Body 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 borad
Power interface, relay output interface be connected on corresponding interface board, then by the pulse on tested inverter master control borad
Driving interface is connected in corresponding driving plate.Tested inverter master control borad must additional driving plate, additional driving plate with
The 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 board
Include driving plate power interface.Then, the communication interface on tested inverter master control borad is connected to into 485 communication module on device
2, 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 interface
Enter 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 changed
The size of output voltage, so as to carry out different performance tests to tested inverter master control borad, different performance tests include
Under-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 sends
Response message is uploaded to computer 1 and is analyzed, processes, shows；Message Jing processes voltage, the electricity for showing tested master control borad
The 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 1
Interior 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 tested
Inversion 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 quilt
Survey 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 driving
The 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 1
Quiescent output voltage；
Starting impulse signal generator 22, and export 50% pulse square wave of 5V dutycycles to tested driving plate 23, by calculating
Machine 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 respectively
Judge, if two magnitudes of voltage are consistent, judge that tested driving plate 23 is qualified；If two magnitudes of voltage are inconsistent, quilt is judged
Survey 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, meter
Calculation 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 quantity
The 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 board
21.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 relay
9th, 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 6
12nd, 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 connects
Connect 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 letter
Number generator 22.6th Switching Power Supply 16 is connected tested driving plate 23 with pulse signal generator 22, and tested driving plate 23 connects
Voltage 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 connects
Oralia 19 connects
Plate 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, charging
Machine 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 type
Instruction 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 tested
Journey 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 system
System 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 after
Electrical 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 485
Communication module 2 sends communication instruction to analog output module 3, and control analog output module 3 is fed back to first interface plate 17
Voltage 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 30
Shown 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 system
Items 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 6
And 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 moulds
Block 2 sends communication instruction to analog output module 3, and control analog output module 3 is believed to 18 feedback voltage of second interface plate
The 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 30
Machine 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 system
Test 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 7
And 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 moulds
Block 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 board
The 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 30
Machine 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 system
Items 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 8
And 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 moulds
Block 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 board
Number 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 to
Computer 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 system
Items 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 9
And 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 moulds
Block 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 board
Number 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 to
Computer 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 drive
Dynamic 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 signal
The triggering pwm pulse signal of generator 22 is exported, and specific operation process is：After pulse signal generator 22 is powered, the 6th relay
Pin 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 often
Lead charger driving plate 23；6th relay pin 3 is closed, and the P0.2 pins of the 51MCU of pulse signal generator 22 send PWM
Pulse signal often leads inverter driving plate 23 to tested；6th relay pin 4 is closed, pulse signal generator 22
P0.3 the and P0.4 pins of 51MCU send sine wave SPWM pulse signals to tested just remote driving plate 23；6th relay pin 5
Closure, the P0.5 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to tested magnificent scholar's charger driving plate
23；6th relay pin 6 is closed, and the P0.6 pins of the 51MCU of pulse signal generator 22 send pwm pulse signal to tested
Magnificent 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 out
Go out pwm pulse signal to the charged machine driving plate of tested strain 23；6th relay pin 8 is closed, pulse signal generator 22
The 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 connecting
Tested master control borad and interface board are connected, then starts the detecting system software on computer 1, input User logs in account and close
Code, into test main interface.Corresponding information such as license number, numbering, test item are filled in system main interface essential information hurdle
The 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 meeting
Whether qualified according to the tested inversion master control borad of information automatic decision for receiving, system automatically generates the detailed side of correspondence trouble hunting
Method 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.
Claims (9)
1. the inverter master control borad fault detection means in track traffic, it is characterised in that preset for sentencing including inside
The computer (1) of fixed tested inversion network source real-time status the detecting system that fault solution is provided, the computer (1)
Pass sequentially through 485 communication modules (2) and analog output module (3) is connected to interface board, the computer (1) also passes sequentially through
PLC industrial control boards (4), relay and Switching Power Supply are connected to interface board, and the interface board (17) is for connecting tested inverter
Or charger, the tested inverter or charger are connected to the computer (1) by data collecting card (30)；
The analog output module (3), carries out performance test to which for output voltage values to tested inverter；
The PLC industrial control boards (4), for controlling the output of connected relay；
The relay, for controlling the startup and stopping of correspondence Switching Power Supply；
The Switching Power Supply, for output voltage to corresponding interface board；
485 communication module (2), exports different voltages to tested inverter for controlling analog output module (3)
Master control borad, 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
The master control borad of instruction message to tested inverter, then tested inverter master control borad send response message and be uploaded to computer
(1), the response message includes voltage, electric current, frequency and failure code；
The data collecting card (30), for gathering the voltage signal of tested inverter or charger output, and by the electricity
Pressure signal is sent to the computer (1)；
The computer (1), for receiving the response message that the tested inverter master control borad sends, and to the response letter
Breath is analyzed, processes and shows；It is additionally operable to receive the voltage signal sent by the data collecting card (30), and will be described
Voltage signal is compared with standard information：If described information is consistent with standard information, that is, illustrate tested inverter master control borad
Without failure, the computer (1) shows that tested inverter master control borad is working properly；If described information is with correct information not
Symbol, that is, illustrate that tested inverter master control borad is faulty, show not conforming to for tested inverter master control borad on the computer (1)
Lattice item, and the trouble hunting method of correspondence nonconformance.
2. the inverter master control borad fault detection means in track traffic as claimed in claim 1, it is characterised in that described
The first relay (5) that relay includes being set up in parallel, the second relay (6), the 3rd relay (7), the 4th relay (8) and
5th relay (9), first relay (5) Jing first switch power supplys (11) are connected to first interface plate (17), and described
Two relays (6) Jing second switch power supplys (12) is connected to second interface plate (18), and the 3rd relay (7) Jing the 3rd is switched
Power supply (13) is connected to the 3rd interface board (19), and the 4th Switching Power Supplies (14) of the 4th relay (8) Jing are connected to the 4th and connect
Oralia (20), the 5th Switching Power Supplies (15) of the 5th relay (9) Jing are connected to the 5th interface board (21).
3. the inverter master control borad fault detection means in track traffic as claimed in claim 2, it is characterised in that described
First interface plate (17), second interface plate (18), the 3rd interface board (19), the 4th interface board (20) and the 5th interface board (21) point
Just remote master control borad (25), magnificent scholar's master control borad Dui Ying not be connected, master control borad, strain institute's master control borad and iron section master control borad is often led.
4. the inverter master control borad fault detection means in the track traffic as described in any one in claim 1-3, its
It is characterised by, the PLC industrial control boards (4) pass sequentially through the 6th relay (10) and the 6th Switching Power Supply (16) is connected to pulse letter
Number generator (22), the 6th Switching Power Supply (16) and the pulse signal generator (22) are used to and tested driving plate
(23) connect, the tested driving plate (23) is based on being connected to by voltage detecting plate (24) and the data collecting card (30)
Calculation machine (1)；
6th relay (10), for powering for the pulse signal generator (22)；
6th Switching Power Supply (16), for output voltage to the pulse signal generator (22)；
The pulse signal generator (22), for exporting 50% pulse square wave of 5V dutycycles to tested driving plate (23)；
The computer (1), for detecting quiescent output voltage of the tested driving plate (23) per road and the dynamic electric voltage per road, and
The quiescent output voltage and dynamic electric voltage are carried out into automatic multilevel iudge with default parameter voltages respectively, if two magnitudes of voltage
It is consistent, then judges that the tested driving plate (23) is qualified；If two magnitudes of voltage are inconsistent, the tested driving plate is judged
(23) it is unqualified.
5. the inspection of the inverter master control borad fault detection means in the track traffic as described in any one in claim 1-3
Survey method, it is characterised in that specifically implement according to following steps：
Step 1, according to the corresponding interface board of type selecting of tested inverter, then by the electricity of tested inverter master control borad
Source interface, relay output interface are connected on corresponding interface board, then by the pulsed drive on tested inverter master control borad
In corresponding driving plate, then interface is connected to, and the communication interface on tested inverter master control borad is connected to 485 on device
Communication module (2), the PLC industrial control boards (4), data collecting card (30) are connected to computer (1)；
Step 2, the detecting system started on computer (1)；
Step 3, start test：
The master control borad that analog output module (3) output voltage to tested inverter is controlled by 485 communication modules (2),
Change the size of the output voltage, so that different performance tests are carried out to tested inverter master control borad；485 communication
Module (2), cycle send the master control borad of information command message to tested inverter, and master control borad simultaneously sends response message and is uploaded to
Computer (1) is analyzed, processes, shows；The voltage of the tested master control borad of message Jing process display, electric current, frequency, failure generation
The information such as code；
The capture card gathers tested inverter master control borad relay output interface 24V information of voltage, and is counted by the industry
Inspection software in calculation machine (1) is judged to described information：
If described information is consistent with standard information, that is, illustrate that tested inversion master control borad does not have failure, the industrial computer (1) shows
Show that tested inversion master control borad is working properly；
If described information is not inconsistent with correct information, that is, illustrate that tested inversion master control borad is faulty, show on the industrial computer (1)
Show the nonconformance of tested inversion master control borad, and the trouble hunting method of correspondence nonconformance.
6. detection method as claimed in claim 5, it is characterised in that the standard information is tested inversion master control borad relay
The failure code of output 24V voltages and normal work.
7. detection method as claimed in claim 5, it is characterised in that in the step 2, after starting industrial computer (1), needs
Tested inverter master control borad producer to be selected to inspection software interface input test essential information, clicking on start button is carried out
Automatically test.
8. detection method as claimed in claim 5, it is characterised in that in the step 3, tested inverter master control borad is entered
Different performance tests of going include under-voltage, over-pressed, mistake current test.
9. the detection method of the inverter master control borad fault detection means in track traffic as claimed in claim 4, which is special
Levy and be, the detection method of the tested driving plate (23) is：
Start the 6th relay (10) and power for the pulse signal generator (22), tested driving plate is detected by computer (1)
(23) quiescent output voltage per road；
Starting impulse signal generator (22), and export 50% pulse square wave of 5V dutycycles to tested driving plate (23), by calculating
Machine (1) detects dynamic electric voltage of the tested driving plate (23) per road；
The quiescent output voltage and dynamic electric voltage that computer (1) is gathered is compared automatically with default parameter voltages respectively to be sentenced
It is disconnected, if two magnitudes of voltage are consistent, judge that the tested driving plate (23) is qualified；If two magnitudes of voltage are inconsistent, sentence
The fixed tested driving plate (23) is unqualified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208913.8A CN106526503A (en) | 2016-12-23 | 2016-12-23 | Inverter power supply main control board fault detection device in rail transit and detection method thereof |
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| CN201611208913.8A CN106526503A (en) | 2016-12-23 | 2016-12-23 | Inverter power supply main control board fault detection device in rail transit and detection method thereof |
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Application publication date: 20170322 |