CN204423141U - For the Special testing device of the traction inverter controller of railcar system - Google Patents
For the Special testing device of the traction inverter controller of railcar system Download PDFInfo
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- CN204423141U CN204423141U CN201520060978.7U CN201520060978U CN204423141U CN 204423141 U CN204423141 U CN 204423141U CN 201520060978 U CN201520060978 U CN 201520060978U CN 204423141 U CN204423141 U CN 204423141U
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Abstract
The utility model discloses a kind of Special testing device of the traction inverter controller for railcar system.Described Special testing device comprises power supply generation system, controls generation system and load generation system; described power supply generation system comprises protecting control cabinet, pressure regulator cabinet, rectifier power source cabinet and isolating switch cabinet; described control generation system comprises Non-follow control screen, Non-follow control cabinet, PLC control cabinet, current transformer steering logic adapter, and described load generation system comprises middle contact modules, braking resistor load, traction motor load, accumulator load and auxiliary inverse ohmic load.Special testing device of the present utility model, traction invertor condition of work and control flow are taken into full account, analog operation situation and running status, thus functional test and the fault diagnosis of traction convertor and AuCT can be realized, and then realize functional test fast and fault detect, also improve system cloud gray model ability and the maintenance ability of urban track traffic.
Description
Technical field
The utility model relates to a kind of Special testing device of the traction inverter controller for railcar system.
Background technology
Along with the fast development of urban rail transit in China, traction invertor (as ONIX1500 type traction invertor) is used widely in the traction control of city underground Vehicular system.In Long-Time Service process, its operation troubles constantly occurs; Meanwhile, according to the requirement of regular repair and maintenance, urban rail transit vehicles system all will enter the time between overhaul.Vehicular system traction invertor systems face functional test is wherein complicated, fault diagnosis difficulty is large, device element replacement cost high.
ONIX1500 type alternating current traction system be exclusively used in electric locomotive, (VVVF means variable voltage, variable frequency to the VVVF alternating-current actuating system of light rail subway rail car, namely frequency conversion speed-adjusting system), its composition mainly contains three parts: 1) draw electronic control unit, this control module uses 2 32-bit microprocessors: U.S. intel company i960CA level microprocessor carries out general process and monitoring function, and American TI Company TM320C31 signal processor carries out quick accurate Calculation and power control accurately; 2) 3300V, 1200A, IGBT form voltage-type three-phase bridge type converter; 3) 185kW totally-enclosed self-ventilation three phase squirrel cage traction electric machine.
In each ingredient of traction invertor, traction controller Agate, traction inversion module PIM1 and traction braking module PIM2 are most important modules.These three modules are also the difficult points of Function detection, fault diagnosis and maintain and replace.At present, the detection of these modules mainly relies on the special testing instrument that foreign vendor provides, and have that fault detect is incomplete, the response defect such as not in time.Simultaneously, traditional detection method needs traction invertor to be installed in electric locomotive, adopt the method for actual motion to detect, this just occupies a large amount of road test time, and this is just for the normal operation of urban rail transit vehicles system and overhaul guarantee bring great difficulty.
Utility model content
The technical problems to be solved in the utility model is the Special testing device of the traction inverter controller how providing a kind of convenient and practical Vehicular system, detect fast with the function realizing drawing inverter controller and identify fast with fault, and meet the equipment rebuilding requirements such as traction invertor functional test and fault detect, thus improve the test overhaul efficiency of traction invertor.For this reason, the utility model proposes a kind of Special testing device of the traction inverter controller for railcar system.
The utility model solves above-mentioned technical matters by following technical proposals:
The utility model provides a kind of Special testing device of the traction inverter controller for railcar system, described traction inverter controller comprises traction convertor unit and AuCT unit, its feature is, described Special testing device comprises power supply generation system, controls generation system and load generation system.
Wherein, described power supply generation system comprises protecting control cabinet, pressure regulator cabinet, rectifier power source cabinet and isolating switch cabinet, and described power supply generation system is used for powering for described traction inverter controller, described control generation system and described load generation system.
Described control generation system comprises Non-follow control screen, Non-follow control cabinet, PLC control cabinet, current transformer steering logic adapter.Wherein PLC full name is programmable logic controller, is translated into Programmable Logic Controller.PLC control cabinet and PLC technology switch board, the switch board in the utility model can realize the control of motor switch.
Described load generation system comprises middle contact modules, braking resistor load, traction motor load, accumulator load and auxiliary inverse ohmic load.
Preferably, described power supply generation system can need to determine corresponding Power supply scheme according to the power test of described traction convertor unit and described AuCT unit, make an external power source be adjusted to the alternating voltage of 0 ~ 850Vac through described pressure regulator cabinet, then carry out by described rectifier power source cabinet the direct supply that three phase full bridge rectification obtains 0 ~ 2000Vdc.
Preferably, described control generation system for generating testing and control logic and feedback signal detection, and carries out the Logic judgment testing testing result.
Preferably, PLC control cabinet described in described Special testing device is used for providing automatic control, and described Non-follow control cabinet and described Non-follow control screen are used for providing Non-follow control.
Preferably, described load generation system for configuring the current transformer load needed for traction invertor functional test and fault detect, and perform traction convertor unit or AuCT unit go out Force meansurement.
Preferably, the protecting control cabinet in described power supply generation system is used for protecting power supply and controlling, and the afterbody that described isolating switch cabinet is used for an electric source for test purposes drops into and excision, and provides safe-discharge.
Preferably, described Non-follow control screen comprises Energy control screen, switching control flow, load control flow and Survey control screen, described Non-follow control cabinet comprises 220V AC single phase isolation and amplifier, 110V direct current dual path isolation exports, 24V direct current dual path isolation exports and 15V direct current dual path isolation exports, and described PLC control cabinet comprises PLC control module, industrial computer module, Network Interface Module and serial communication interface module.
Preferably, described traction motor load is for simulating the load of the motor load of described traction inverter controller and the underloading service test as described traction convertor unit, and described auxiliary inverse ohmic load is for simulating the ohmic load of described AuCT unit and going out the load of Force meansurement as the interchange underloading of described AuCT unit; The load that described braking resistor load is tested as the regenerative braking capability of described traction inverter controller; Described accumulator load is exerted oneself for the interchange underloading of testing described AuCT unit and is used as a middle contactor.
The utility model by generate traction inverter controller major loop run required for power supply input and power termination and steering logic accordingly, can realize testing Vehicular system traction invertor major loop controlling functions, thus realize traction invertor major loop run steering logic and control effects carry out off-line test, to judge the whether normal and corresponding failure condition of its function, thus offer convenience for the maintenance of this traction invertor and maintenance.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is:
The Special testing device of the traction inverter controller for railcar system of the present utility model, traction invertor condition of work and control flow are taken into full account, simulation traction invertor practical working situation and running status, thus can realize functional test and the fault diagnosis of traction convertor and AuCT, fast functional testing and fault detect can be realized.Meanwhile, by this offline inspection, saving a large amount of line holding time simultaneously, also simplify and operation easier etc. is installed, thus cost-saving and raise the efficiency, substantially increase system cloud gray model ability and the maintenance ability of urban track traffic.
Above-mentioned advantage of the present utility model, also make in its equipment Inspection being applicable to very much being applied to urban track traffic traction invertor and maintenance support, maintain easily functional status and failure condition that technician grasps traction invertor fast, realize the rapid-maintenance of traction invertor.
Accompanying drawing explanation
Fig. 1 is that the System's composition of the Special testing device of the traction inverter controller of the utility model one preferred embodiment is always schemed.
Fig. 2 is the power supply generation system composition diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 3 is the control generation system composition diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 4 is the load generation system composition diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 5 is the rectifier power source cabinet main circuit diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 6 is the isolating switch cabinet main circuit diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 7 is the switching input and output main circuit diagram of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 8 is the traction convertor load main circuit of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Fig. 9 is the AuCT load main circuit of the Special testing device of the traction inverter controller of the utility model one preferred embodiment.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail, but therefore the utility model is not limited among described scope of embodiments.
The present embodiment below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As shown in Figure 1, the Special testing device of the traction inverter controller of the present embodiment comprises power supply generation system 10, controls generation system 20 and load generation system 30 3 part, and its measurand is traction convertor unit 41 and the AuCT unit 42 of composition traction inverter controller 40.
As shown in Figure 2, described power supply generation system 10 is made up of protecting control cabinet 11, pressure regulator cabinet 12, rectifier power source cabinet 13 and isolating switch cabinet 14.Carrying out in the functional test of traction inverter controller and process fault detection, power supply generation system 10 can need to generate corresponding Power supply scheme according to the power test of traction convertor unit 41 and AuCT unit 42, after making external power source access proving installation, be adjusted to the alternating voltage of 0 ~ 850V through pressure regulator, carry out by rectifier power source cabinet the direct supply that three phase full bridge is rectified into 0 ~ 2000V.Protecting control cabinet is protected power supply and is controlled, and isolating switch cabinet drops into and excision as electric source for test purposes afterbody, provides safe-discharge function simultaneously.
Wherein, as shown in Figure 5, the main circuit of isolating switch cabinet 14 as shown in Figure 6 for the main circuit of rectifier power source cabinet 13.Isolating switch cabinet 14 by main disconnector IES1, subordinate disconnector IES2, IES3, and grounding switch IES-GND forms.
In isolating switch cabinet 14, switching input and output main circuit as shown in Figure 7, and wherein Fig. 7 left end is end of incoming cables, and right-hand member is leading-out terminal.Wherein, K1, K2, K3, L1, L2, L3 are D.C. contactor, F1 and F2 is fuse (secondary insulating 2000V), 100A, can do secondary insulating, and V1 ~ V4 is voltage sensor, A1 ~ A4 is current sensor, R2 and R2 is discharge resistance 4 Ω, 4kW.
As shown in Figure 3, described control generation system 20 holds testing and control software 25 to form by Non-follow control screen 21, Non-follow control cabinet 22, PLC control cabinet 23, current transformer steering logic adapter 24 and PC.Wherein, Non-follow control screen 21 comprises Energy control screen 211, switching control flow 212, load control flow 213 and Survey control screen 214; Non-follow control cabinet 22 comprises 220V AC single phase isolation and amplifier 221,110V direct current dual path isolation output 222,24V direct current dual path isolation output 223 and 15V direct current dual path isolation and exports 224; PLC control cabinet 23 comprises PLC control module 231, industrial computer module 232, Network Interface Module 233 and serial communication interface module 234.Controlling generation system 20 can according to the requirement of traction invertor functional test and fault detect, produces corresponding testing and control logic and feedback signal detects, and carries out the Logic judgment testing testing result.Special testing device provides automatically and manual two kinds of control modes, and PLC is responsible for automatically controlling, and Non-follow control is responsible for by Non-follow control cabinet and Non-follow control screen.
As shown in Figure 4, described load generation system 30 is made up of middle contact modules 31, braking resistor load 32, traction motor load 33, accumulator load 34 and auxiliary inverse ohmic load 35.Traction motor load 33 simulates the motor load of traction invertor, can be used as the load of traction convertor unit 41 underloading service test; Auxiliary inverse ohmic load 35 simulates the ohmic load of AuCT unit 42, can be used as AuCT and exchanges the load that underloading goes out Force meansurement; The load that braking resistor load 32 is tested as traction invertor regenerative braking capability; Accumulator load 34, except can testing AuCT interchange underloading and exerting oneself, also can be used as middle contactor and controls to use; Middle contact modules 31 provides corresponding controlling functions.
The traction convertor load main circuit of traction invertor simulated machine load that what Fig. 8 represented is.Traction invertor load circuit uses perceptual resistive load to test it and exerts oneself.Wherein, K4 is A.C. contactor, V7 and V8 is voltage sensor, and A8, A9 and A10 are respectively current sensor.
What Fig. 9 represented is AuCT load main circuit, and the 110V direct supply being positioned at bottom right in Fig. 9 is accumulator load (reversing mode).AuCT load circuit three-phase alternating current exports use purely resistive load testing, and it is exerted oneself.Direct current exports and uses pure resistance and battery pack as load.Wherein, L4, L7, L8, L9, L10, L11, L12 are contactor, and V3, V4, V5 and V6 are voltage sensor, and A3, A4, A5, A6 and A7 are respectively current sensor.
Below the application example of the Special testing device of the traction inverter controller to the present embodiment is done simple introduction.
Hold testing software 25 by PC, the deployable test of Special testing device comprises following three kinds:
1) static test is carried out to power model: saturation current test is carried out, the individual features of test I GBT to the upper arm of a certain phase or the single IGBT of underarm;
2) carry out inversion test to traction module: export consecutive PWM waveform to traction invertor power model, control IGBT switch, test traction convertor unit 41 is with the continuous duty of the IGBT in the situation of carrying;
3) carry out copped wave test to brake module: export consecutive PWM waveform to traction invertor power model, control IGBT switch, test PIM2 modular belt carries the continuous duty of the IGBT in situation.
Concrete, traction inverter controller Special testing device described in the utility model, its implementation process can be divided into system initialization, control test manually and PLC automatically to control test three links.
After described traction inverter controller Special testing device powers on, first generated the startup simulate signal of traction invertor 40 by control generation system 20, then generate a series of proving installation initialization procedure, specifically comprise following process:
1) Initialize installation is carried out to proving installation equipment, specifically comprise the initialization that power supply generation system 10, power generation system 30, Non-follow control screen 21, Non-follow control cabinet 22, PLC control cabinet 23, current transformer steering logic adapter 24 and PC hold each ingredients such as testing and control software 25, make each ingredient of proving installation carry out self-inspection in a low voltage state normal with exact p-value device duty;
2) initialization self-inspection is carried out to traction controller, carry out the communications status Autonomous test drawing inverter controller 20 and proving installation;
3) detect traction controller and whether normally receive the rigid line instructions such as traction, braking, coasting, and traction controller sends to the hard spot signal of vehicle whether normal.
4) in a low voltage state, function Autonomous test is carried out to each component devices of proving installation: as ground state detection, high-voltage electric switch detect detection, high-speed circuit breaker motion detection, line contactor motion detection etc.
The test of control manually of described traction inverter controller Special testing device is mainly realized the test process of Special testing device by people, specifically comprise following process:
1) power-supply system Non-follow control: proving installation general supply and control system power on, the primary power boosting of operation pressure regulator cabinet 12 and step-down, by power adjustment to 1500V;
2) load system Non-follow control: drop into load cooling system, according to test needs, operates individual equipment in the real-time time, manually to input and the excision of each load;
3) traction invertor cooling is controlled: operational testing device is powered to traction invertor cooling blower, and manual operation traction invertor control box makes cooling blower work;
4) to the Non-follow control of traction inverter controller: provide traction by hard signal to traction inverse control system 40, brake, move ahead, retreat and wait traction instruction, provide tractive force size and speed command simultaneously, observe the running status of traction inverter controller 40.
The PLC of described traction inverter controller Special testing device controls to test the automatic testing process mainly being realized Special testing device by PLC automatically, specifically comprises following process:
1) the automatic control of load generation system: according to the operating condition of traction inverter controller 40, automatically drop in real time or excise corresponding load;
2) draw the automatic control of inverter controller: signal is sent to traction inverter controller 40 and proving installation by PLC simultaneously, by constantly switching net pressure side voltage, tractive force size Traction Effort (%), obtain different input voltage, under exporting number percent, on the output current on the traction impact of inverter controller 40 and fictitious load, study and confirm tested traction inverter controller 40 whether function is normal.
3)----voltage is automatically adjusted to direct current 1500V-and is powered to traction inverter controller--dropping into respective load--to traction inverter controller tractive effort command, speed command in power-supply system startup automatically to control the step of test: traction inverter controller low pressure self-checking.
In above-mentioned automatic control testing and control process, the sensor arranged by some and testing circuit will control result feedback to PLC control cabinet, and carry out a series of process and then sent to by detection signal PC to hold testing and control software 25, carry out test effect and judge to process.
The Special testing device of the present embodiment by generate traction invertor major loop run required for power supply input and power termination and steering logic accordingly, can realize testing Vehicular system traction invertor major loop controlling functions, thus realize traction invertor major loop run steering logic and control effects carry out off-line test, to judge the whether normal and corresponding failure condition of its function, thus offer convenience for the maintenance of this traction invertor and maintenance.
The Special testing device of the present embodiment can be applied to urban rail transit equipment and detect and in maintenance support, maintain easily functional status and failure condition that technician grasps traction invertor fast, realize the rapid-maintenance of traction invertor.
Although the foregoing describe embodiment of the present utility model; and by above preferred embodiment (as ONIX1500 type traction inverter controller), detailed introduction has been done to content of the present utility model; but those skilled in the art is to be understood that; these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (8)
1. the Special testing device for the traction inverter controller of railcar system, described traction inverter controller comprises traction convertor unit (41) and AuCT unit (42), it is characterized in that, described Special testing device comprises power supply generation system (10), controls generation system (20) and load generation system (30), wherein
Described power supply generation system (10) comprises protecting control cabinet (11), pressure regulator cabinet (12), rectifier power source cabinet (13) and isolating switch cabinet, and described power supply generation system (10) is for being the power supply of described traction inverter controller, described control generation system (20) and described load generation system (30);
Described control generation system (20) comprises Non-follow control screen (21), Non-follow control cabinet (22), PLC control cabinet (23), current transformer steering logic adapter (24);
Described load generation system (30) comprises middle contact modules (31), braking resistor load (32), traction motor load (33), accumulator load (34) and auxiliary inverse ohmic load (35).
2. Special testing device as claimed in claim 1, it is characterized in that, described power supply generation system (10) can need to determine corresponding Power supply scheme according to the power test of described traction convertor unit (41) and described AuCT unit (42), make an external power source be adjusted to the alternating voltage of 0 ~ 660V through described pressure regulator cabinet (12), then carry out by described rectifier power source cabinet (13) direct supply that three phase full bridge rectification obtains 0 ~ 1800V.
3. Special testing device as claimed in claim 1, is characterized in that, described control generation system (20) for generating testing and control logic and feedback signal detection, and carries out the Logic judgment testing testing result.
4. Special testing device as claimed in claim 1, is characterized in that, PLC control cabinet described in described Special testing device (23) is for providing automatic control, and described Non-follow control cabinet and described Non-follow control screen are used for providing Non-follow control.
5. Special testing device as claimed in claim 1, it is characterized in that, described load generation system (30) for configuring the current transformer load needed for traction invertor functional test and fault detect, and perform traction convertor unit (41) or AuCT unit (42) go out Force meansurement.
6. Special testing device as claimed in claim 1 or 2; it is characterized in that; protecting control cabinet (11) in described power supply generation system (10) is for protecting power supply and controlling; described isolating switch cabinet (14) drops into and excision for the afterbody of an electric source for test purposes, and provides safe-discharge.
7. as claim 1, Special testing device described in 3 or 4, it is characterized in that, described Non-follow control screen (21) comprises Energy control screen (211), switching control flow (212), load control flow (213) and Survey control screen (214), described Non-follow control cabinet (22) comprises 220V AC single phase isolation and amplifier (221), 110V direct current dual path isolation exports (222), 24V direct current dual path isolation exports (223) and 15V direct current dual path isolation exports (224), described PLC control cabinet (23) comprises PLC control module (231), industrial computer module (232), Network Interface Module (233) and serial communication interface module (234).
8. the Special testing device as described in claim 1 or 5, it is characterized in that, described traction motor load (33) is for simulating the load of the motor load of described traction inverter controller and the underloading service test as described traction convertor unit (41), and described auxiliary inverse ohmic load (35) is for simulating the ohmic load of described AuCT unit (42) and going out the load of Force meansurement as the interchange underloading of described AuCT unit (42); The load that described braking resistor load (32) is tested as the regenerative braking capability of described traction inverter controller; Described accumulator load (34) is exerted oneself for the interchange underloading of testing described AuCT unit and is used as a middle contactor.
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| CN107526348A (en) * | 2017-06-07 | 2017-12-29 | 南京铁道职业技术学院 | The test device and method of the controller of subway system |
| CN107450033A (en) * | 2017-06-07 | 2017-12-08 | 南京铁道职业技术学院 | The test device and method of subway system |
| CN107179458A (en) * | 2017-06-07 | 2017-09-19 | 南京铁道职业技术学院 | The test device and method of the traction controller of subway system |
| CN107422278A (en) * | 2017-07-17 | 2017-12-01 | 南京轨道交通系统工程有限公司 | Subway train traction invertor high pressure belt load testing platform |
| CN107505933A (en) * | 2017-09-05 | 2017-12-22 | 上海地铁电子科技有限公司 | Subordinate inverter controller test system |
| CN110031728A (en) * | 2017-12-05 | 2019-07-19 | 阿尔斯通运输科技公司 | System for testing rail traction block |
| CN110031728B (en) * | 2017-12-05 | 2023-10-10 | 阿尔斯通运输科技公司 | System for testing railway traction blocks |
| CN108345262A (en) * | 2017-12-13 | 2018-07-31 | 中冶南方（武汉）自动化有限公司 | A kind of system and method for electric machine controller test distribution |
| CN107831453A (en) * | 2017-12-15 | 2018-03-23 | 株洲中车电气科技有限公司 | A kind of electric locomotive DC600V power supplies detection method and system |
| CN112782493A (en) * | 2019-11-05 | 2021-05-11 | 株洲中车时代电气股份有限公司 | Converter module function detection device and method |
| CN112083329A (en) * | 2020-08-19 | 2020-12-15 | 中车长春轨道客车股份有限公司 | Debugging system and debugging method for judging rotating direction of traction motor of motor train unit |
| CN112098119A (en) * | 2020-08-19 | 2020-12-18 | 中车长春轨道客车股份有限公司 | Debugging method for traction box cooling unit of compound-number motor train unit |
| CN112731190A (en) * | 2020-12-04 | 2021-04-30 | 南京轨道交通系统工程有限公司 | Universal tester and method applied to subway train inverter module |
| CN113466577A (en) * | 2021-05-24 | 2021-10-01 | 江苏经纬轨道交通设备有限公司 | Universal test equipment for current transformer |
| CN113419516A (en) * | 2021-06-23 | 2021-09-21 | 上海地铁电子科技有限公司 | Off-line detection system and method for subway train traction control unit |
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