CN107544479A - A kind of portable subway train inverter intelligent detection means - Google Patents
A kind of portable subway train inverter intelligent detection means Download PDFInfo
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- CN107544479A CN107544479A CN201711067535.0A CN201711067535A CN107544479A CN 107544479 A CN107544479 A CN 107544479A CN 201711067535 A CN201711067535 A CN 201711067535A CN 107544479 A CN107544479 A CN 107544479A
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- inverter
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Abstract
The present invention relates to a kind of portable subway train inverter intelligent detection means,It includes testing computer case,Power supply box,PC,Portable cabinet,The test software of tested inverter is provided with PC,Experiment computer case is provided with the measurement hardware interface that the hardware interface being connected with the microcomputerized controller of tested inverter and tested inverter box hardware interface match and is respectively communicated with,Experiment computer case is connected with the microcomputerized controller of detected inverter and detected inverter box respectively,The voltage x current AD conversion port of analog voltage amount and the magnitude of current to the microcomputerized controller for being detected inverter is sent by testing computer case,Realize virtual high-voltage operation operating mode,So as in the case where not connecting subway train inverter high-tension electricity DC1500V or DC750V operating mode,Open PC and send detection instruction,The performance parameter and the various operation troubles of simulation of i.e. detectable detected inverter,The entirely detection of the present invention is simple to operate,Detection is comprehensive.
Description
Technical field
The invention belongs to urban rail transit technology field, more particularly to a kind of portable subway train inverter intelligent to examine
Survey device.
Background technology
As the fast development of Chinese city, urban population ramp, the urban track traffic industry in China steps into
The stage of one great-leap-forward development.Subway is the public transportation system of densely populated place, has freight volume is big, speed is high and low pollute, multiply
Sit the features such as comfortable, the automaticity of facility is high.
Traction invertor and subordinate inverter are the core components of subway train, and traction invertor not only needs to meet vehicle
Power performance, failure operation and realize expected from the speed of service, it is also necessary to meet the distinctive operating condition of railcar, it is auxiliary
Inverter is helped to provide the AC and DC power supplys such as air-conditioning system, control power supply, lighting apparatus, air compressor, control system.
The performance of traction invertor and subordinate inverter directly influences the safe and stable operation of railcar, it is necessary to it
Regularly detected.It is the train network system for relying on vehicle to detect the first to subway train inverter at present, to whole
In the case of train of vehicles connection high-tension electricity, running status, molar behavior output performance to each inverter of train detect, this
Kind of mode relies on inverter and its controller logic detection in itself and train network communication, and to the various devices of single inverter
Part detection, the logical action of various simulated failures can not then realize that the result of detection is not comprehensive；And second is from train
Tested inverter is pulled down, is transported on Special test stand, due to being tested the microcomputerized controller hardware interface of inverter and being tested
Inverter box hardware interface be connected to it is logical, therefore by inverter microcomputerized controller hardware interface input control signal, mould
Intend fault-detection action and functional action, you can the test each device of inverter, but this operating process is more complicated, train
Inverter dismounting is inconvenient, does not also allow to carry out repeated disassembled and assembled to each inverter in the case of general test.
The content of the invention
In order to solve the above problems, the present invention provides a kind of packaged type, simple to operate, detection comprehensively and without connection
The portable subway train inverter intelligent detection means of high voltage power supply.
The technical scheme is that a kind of portable subway train inverter intelligent detection means, including experiment microcomputer
Case, power supply box, PC, the cabinet of movable type, the interior test software for being provided with tested inverter of PC, can show and preserve test knot
Fruit, experiment computer case is provided with the hardware interface being connected with the microcomputerized controller of tested inverter and tested inverter box hardware connects
The measurement hardware interface that matches of mouth is simultaneously respectively communicated with, and experiment computer case and the PC are communication connection, the experiment microcomputer
Case is provided with CPU board, A/D change-over panels, D/A change-over panels, I/O input/output boards, communication board and power panel, and CPU board is used to receive PC
The instruction of machine, and A/D change-over panels, D/A change-over panels, I/O input/output boards, communication board are controlled；A/D change-over panels gather quilt
Survey the performance detection parameter of inverter and be transmitted to CPU board；D/A change-over panels export the voltage and current signal of setting to tested inverter
Microcomputerized controller, first, realize virtual high-voltage operation operating mode, second, being protected for simulating the performance of the high-voltage operation of inverter
Parameter and operation troubles are protected, the protection act of tested inverter is detected and is transmitted to CPU board；The detection of I/O input/output boards is tested
Whether the input/output switching signal of inverter is normal and is transmitted to CPU board；Communication board respectively with PC and subway inverter microcomputer
Controller is attached, for the data communication with PC and the data communication of subway inverter microcomputerized controller；Power panel will
The DC110V DC conversions of power supply box input are the dc source needed for experiment computer case；Computer case is tested by receiving PC
Instruction, send control signal or analog quantity to the microcomputerized controller of tested inverter, be tested inverter microcomputerized controller root
Switch controlling signal is sent according to self-curing program and gives experiment computer case, and output control signal gives tested inversion to experiment computer case again
Device case simultaneously receives the feedback signal of tested inverter box, to reach while detect the microcomputerized controller of inverter and inverter box
Effect；Civil power is converted to 110V dc sources and provides power supply to whole detection means and tested inverter by power supply box, is tried
Test computer case and power supply box is placed in the cabinet of movable type.
Preferably, in addition to printer, printer print the testing result preserved in PC.
Preferably, the experiment computer case realizes communication connection with the PC by Ethernet.
Preferably, the detection means can also be realized with the microcomputerized controller of detected inverter by train network and communicated.
The method have the benefit that subway train is stopped to garage, the intelligent detection device is moved to ground
Beside iron train inverter, the computer case microcomputerized controller with detected inverter and detected inverter box phase respectively will be tested
Connection, the voltage x current of analog voltage amount and the magnitude of current to the microcomputerized controller for being detected inverter is sent by testing computer case
AD conversion port, realize virtual high-voltage operation operating mode, so as to do not connect subway train inverter high-tension electricity DC1500V or
Under DC750V operating mode, open PC and send detection instruction, you can detection is detected the performance parameter of inverter and simulated various
Operation troubles, whole operation is simple, detection is comprehensive.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the hardware interface connection diagram of the invention with detected inverter and its microcomputerized controller；
Fig. 3 is PC software interface schematic diagram involved in the present invention.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Referring to the drawings, a kind of portable subway train inverter intelligent detection means, including experiment computer case 1, power supply box
2nd, PC 3, portable cabinet 4, the interior test software for being provided with tested inverter of PC 3, can show and preserve test result, try
Test computer case 1 and be provided with the hardware interface being connected with the microcomputerized controller of tested inverter and tested inverter box hardware interface phase
The measurement hardware interface of matching is simultaneously respectively communicated with, and experiment computer case 1 is connected with the PC 3 by ethernet communication, the examination
Computer case 1 is tested provided with CPU board 1-1, A/D change-over panel 1-2, D/A change-over panel 1-3, I/O input/output board 1-4, communication board 1-5, electricity
Source plate 1-6, CPU board 1-1 are used for the instruction for receiving PC 3, and to A/D change-over panel 1-2, D/A change-over panel 1-3, I/O input and output
Plate 1-4, communication board 1-5 are controlled；The performance detection parameter of the tested inverter of A/D change-over panels 1-2 collections is simultaneously transmitted to CPU board 1-
1；D/A change-over panels 1-3 exports microcomputerized controller of the voltage and current signal of setting to tested inverter, first, realizing virtual height
Operating condition is pressed, second, for simulating the performance Protection parameters of the high-voltage operation of inverter and operation troubles, detects tested inversion
The protection act of device and it is transmitted to CPU board 1-1；The input/output switching signal of the tested inverter of I/O input/output boards 1-4 detections
It is whether normal and be transmitted to CPU board 1-1；Communication board 1-5 is attached with PC 3 and subway inverter microcomputerized controller respectively, is used
In the data communication with the data communication of PC 3 and subway inverter microcomputerized controller；Power panel 1-6 inputs power supply box 2
DC110V DC conversions are the dc source needed for experiment computer case 1；Experiment computer case 1 by receiving the instruction of PC 3, to
The microcomputerized controller of tested inverter sends control signal or analog quantity, is tested the microcomputerized controller of inverter according to self-curing
Program sends switch controlling signal and gives experiment computer case 1, and experiment computer case 1 again give tested inverter box and connect by output control signal
The feedback signal of tested inverter box is received, to reach while detect the effect of the microcomputerized controller of inverter and inverter box；Electricity
Civil power is converted to 110V dc sources and provides power supply to whole detection means and tested inverter by source case 2, tests microcomputer
Case 1 and power supply box 2 are placed in the cabinet 4 of movable type, in addition to printer 5, the testing result that printer 5 will preserve in PC 3
Print, the detection means can also be realized with the microcomputerized controller of detected inverter by train network and communicated.
Referring to the drawings 1, the course of work of intelligent detection device of the present invention is that subway train is stopped to garage, the present invention
The intelligent detection device is moved to beside subway train inverter, will test the microcomputer with detected inverter respectively of computer case 1
Controller is connected with detected inverter box, and experiment computer case 1 receives the instruction of PC 3, the microcomputer control to tested inverter
Device processed sends control signal or analog quantity, and the microcomputerized controller of tested inverter sends switch control letter according to self-curing program
Number experiment computer case 1 is given, experiment computer case 1 again give tested inverter box and receive the anti-of tested inverter box by output control signal
Feedback signal, reach while detect the microcomputerized controller of inverter and the effect of inverter box.The CPU board of the experiment computer case 1
1-1 is used for the instruction for receiving PC 3, and to A/D change-over panel 1-2, D/A change-over panel 1-3, I/O input/output boards 1-4, communication board
1-5 is controlled；The power device driving voltage of the microcomputerized controller output of the tested inverter of A/D change-over panels 1-2 collections, control
The given train of awaiting a subway of supply voltage, the motor current signal of simulation output, temperature signal, fictitious load needs detection to examine in real time
The signal of amount is simultaneously transmitted to CPU board 1-1；D/A change-over panels 1-3 first exports a voltage signal to the microcomputer control for being detected inverter
Device processed, net pressure signal during train operation is simulated, microcomputerized controller is according to net pressure signal and simulates given input to front haulage
Instruction, the power cell control signal of output duty cycle change, experiment computer case 1 is according to the hardware connection end with tested inverter
The high-speed circuit breaker and the actuating of relay, the control signal of power cell of tested inverter, D/A change-over panels 1-3 are detected during cause for gossip
A current signal simulation U phase current of electric is exported again, and U phases are obtained after this signal of tested inverter microcomputerized controller analog-to-digital conversion
Current of electric detected value, compared with the motor phase U current protection setting value inside microcomputerized controller, if detecting this motor
U phase current excessively streams, then microcomputerized controller output block are tested the control pulse of power device of inverter and disconnect tested inverter
The order of the high-speed circuit breaker of major loop, and signal, the detected value of U phase excessively streams and the switch of tested inverter U excessively streams
Action is transmitted to experiment computer case 1, and experiment computer case 1 is transmitted to PC 3 by network, and PC 3 receives these signals and data, carries out
Record and display；Whether just the function of the I/O input/output boards 1-4 is tested the input/output switching signal of inverter for detection
Often it is transmitted to CPU board 1-1；The communication board 1-5, for the connection with PC 3 and the connection of subway inverter microcomputerized controller, divide
Yong Yu not be with the data communication of PC 3 and the communication of subway inverter microcomputerized controller；Power panel 1-6 inputs power supply box 2
DC110V DC conversions are the dc source needed for experiment computer case 1.
Referring to the drawings 2, civil power is converted to 110V dc sources and to experiment computer case 1 and tested inverse by the power supply box 2
Become device case and tested inverter microcomputerized controller provides power supply.The experiment computer case 1 includes 10 hardware interface CN1~CN10
Respectively with 5 hardware interfaces of tested 5 hardware interface CN1-1~CN5-1 of inverter box and tested inverter microcomputerized controller
CN1-2~CN5-2 connections, the hardware that inverter and microcomputerized controller are disconnected when using the intelligent detection device is connected, by this
5 hardware interfaces of detection means and the hardware interface of microcomputerized controller connect, in addition 5 hardware interfaces and tested inverter box
The measurement hardware interface connection that hardware interface matches, for being tested inverter, the microcomputerized controller of tested inverter and experiment
The signal data transmission of computer case 1.
The PC software of the intelligent detection device is installed on the PC 3 of intelligent detection device of the present invention, utilizes the PC
Machine software sends control instruction and gives experiment computer case 1, and experiment computer case 1 retransmits director data to tested inverter microcomputer control
Device and the other switching devices of inverter and detection means, and the feedback data of tested inverter and its microcomputerized controller is gathered, lead to
The communication board 1-5 of overtesting computer case 1 is the PC software of data transfer to PC 3, and PC 3 shows and controlled in detection process
Inverter testing process processed and result, can be on detection data Cun Chudao PCs 3.
The detection means can not connect subway train inverter high-tension electricity in the case of the entrucking of subway train inverter
Under DC1500V or DC750V operating mode, the functional test work to single inverter is completed, there are multiple functions, main bag
Include：
The detection means can detect to traction invertor VVVF or subordinate inverter SIV state, such as 110V control electricity
Power supply state, communication network status etc..
The detection means can simulate subway train normal operation logic, send control instruction, control instruction is confirmed,
Switch motion i.e. to inverter system switching device is detected, and feedback signal is judged.
The detection means can be sent by the D/A change-over panels 1-3 and be instructed, to inverter system related sensor, voltage, electricity
Stream, temperature acquisition signal carry out simulation and give and change, and judge the rotection thresholds such as inverter microcomputerized controller system voltage, electric current
It is whether normal.
The detection means can simulate train operation failure, and whether detection inverter system switch motion is normal.
Whether just the detection means can be by sending analog switch pwm signal Static Detection inverter IGBT power cells
Often, inverter power unit driving plate and IGBT annexations etc. are detected.
Referring to the drawings 3, PC software interface schematic diagram involved in the present invention, before detection, the electricity of detection means is first connected
Source, then connect the power supply of PC 3.During detection, as shown in Figure 3, open PC software of the present invention, into interface after select detection
Inverter, check species, experiment species, enter a grade pattern, detection means can automated intelligent complete a series of functions of inverter
Property test.After the completion of test, final test report can be generated and printed.
The achievable testing experiment of the detection means has but is not limited to tests below：
1) confirmation of power supply power supply, driving plate supply voltage is controlled
2) whether normal communicate
3) confirmation command is drawn
4) confirmation of main circuit component switch motion
5) current sensor detects
6) overvoltage, overcurrent protection confirming operation
7) Cooler Fault is simulated
8) PWM instruction exceptions are simulated
9) sequential during protection act confirms
In test process, the detection means detects each pilot project in order, by every measured value and the benchmark set
Value is compared, and is judged whether in threshold range, is such as normally continued the next item down experiment, will be reported an error Ru abnormal, is operated
Person can also may be selected temporary transient failure of ignoring and continue executing with test and record in PC software interface interrupt test timely processing failure
Failure.When hindering interrupt test in test process for some reason, having handled failure needs to detect inversion since Section 1 pilot project again
The various functions of device.
As described above, with reference to the drawings and specific embodiments, similar technical scheme can be derived.It is any to be familiar with this skill
The technical staff in art field is in the technical scope of present disclosure, the simple change for the technical scheme that can be become apparent to
Or equivalence replacement is each fallen within protection scope of the present invention.
Claims (4)
1. a kind of portable subway train inverter intelligent detection means, it is characterised in that it includes testing computer case, power supply
Case, PC, the cabinet of movable type, the interior test software for being provided with tested inverter of PC, can show and preserve test result, test
Computer case is provided with the hardware interface being connected with the microcomputerized controller of tested inverter and tested inverter box hardware interface phase
The measurement hardware interface matched somebody with somebody simultaneously is respectively communicated with, and experiment computer case is communication connection with the PC, and the experiment computer case is provided with
CPU board, A/D change-over panels, D/A change-over panels, I/O input/output boards, communication board and power panel, CPU board are used for the finger for receiving PC
Order, and A/D change-over panels, D/A change-over panels, I/O input/output boards, communication board are controlled；The tested inversion of A/D change-over panels collection
The performance detection parameter of device is simultaneously transmitted to CPU board；D/A change-over panels export microcomputer of the voltage and current signal of setting to tested inverter
Controller, first, virtual high-voltage operation operating mode is realized, second, for simulating the performance Protection parameters of the high-voltage operation of inverter
And operation troubles, detect the protection act of tested inverter and be transmitted to CPU board；The tested inverter of I/O input/output boards detection
Input/output switching signal it is whether normal and be transmitted to CPU board；Communication board respectively with PC and subway inverter microcomputerized controller
It is attached, for the data communication with PC and the data communication of subway inverter microcomputerized controller；Power panel is by power supply box
The DC110V DC conversions of input are the dc source needed for experiment computer case；Experiment computer case is by receiving the finger of PC
Order, control signal or analog quantity are sent to the microcomputerized controller of tested inverter, are tested the microcomputerized controller of inverter according to certainly
Body program curing sends switch controlling signal and gives experiment computer case, and output control signal gives tested inverter box to experiment computer case again
And the feedback signal of tested inverter box is received, to reach while detect the effect of the microcomputerized controller of inverter and inverter box
Fruit；Civil power is converted to 110V dc sources and provides power supply to whole detection means and tested inverter by power supply box, is tested
Computer case and power supply box are placed in the cabinet of movable type.
2. a kind of portable subway train inverter intelligent detection means according to claim 1, it is characterised in that also wrap
Printer is included, the printer prints the testing result preserved in PC.
3. a kind of portable subway train inverter intelligent detection means according to claim 1 or claim 2, it is special
Sign is that the experiment computer case realizes communication connection with the PC by Ethernet.
4. a kind of portable subway train inverter intelligent detection means according to claim 1 or claim 2, it is special
Sign is that the experiment computer case realizes communication connection with the PC by train network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711067535.0A CN107544479A (en) | 2017-11-03 | 2017-11-03 | A kind of portable subway train inverter intelligent detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067535.0A CN107544479A (en) | 2017-11-03 | 2017-11-03 | A kind of portable subway train inverter intelligent detection means |
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| CN107544479A true CN107544479A (en) | 2018-01-05 |
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| CN201711067535.0A Pending CN107544479A (en) | 2017-11-03 | 2017-11-03 | A kind of portable subway train inverter intelligent detection means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110262468A (en) * | 2019-07-26 | 2019-09-20 | 泰华智慧产业集团股份有限公司 | Smart lock test equipment and test method |
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