CN104076279A - Test device for alternating current generator - Google Patents
Test device for alternating current generator Download PDFInfo
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- CN104076279A CN104076279A CN201310103610.XA CN201310103610A CN104076279A CN 104076279 A CN104076279 A CN 104076279A CN 201310103610 A CN201310103610 A CN 201310103610A CN 104076279 A CN104076279 A CN 104076279A
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 25
- 239000010687 lubricating oil Substances 0.000 claims description 24
- 238000004088 simulation Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 21
- 238000011056 performance test Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 230000003137 locomotive effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 238000003745 diagnosis Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000036461 convulsion Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000012356 Product development Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006353 environmental stress Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Control Of Eletrric Generators (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a test device for an alternating current generator. The test device comprises a frame, a measurement and control system, a dragging case, and a power converter, and also comprises an operation bench for cooling and heating; a workbench is disposed at the top surface of the frame; a cooling system and a heating system are disposed under the workbench in the frame; a dragging motor and a switching tool are installed on the workbench; the dragging motor and the switching tool are in a transmission connection; a test piece for test is the alternating current generator connected with the switching tool; the switching tool is used for simulating an accessory casing of the alternating current generator, and is provided with two sets of independently oil supply loops mutually separated and not influencing each other; the measurement and control system comprises a control computer and a measurement and control unit; the control computer controls the dragging motor to operate; and the measurement and control unit performs data acquisition and control, and monitors and controls the dragging motor. The test device can automatically measure relative parameters of the generator in different work states in real time, and provides a basis for product development, performance examination, and acceptance inspection.
Description
Technical field
The present invention relates to the technical field of measurement and test of alternator, specifically the proving installation of alternator.
Background technology
Aeroengine Control Systems is FADEC, in full powers limit digital and electronic engine control, alternator is containing match power conversion) be the important composition parts of Aeroengine Control Systems, it is the main power supply of system, the safety and reliability of alternator, the directly safety and reliability of the whole Engine digital control system of impact, efficient, longevity and high reliability are the inevitable requirements of its development.For improving design efficiency, effectively avoid causing repeatedly because experience lacks in design, guarantee project process requirement, need in design, verify design proposal, and make fast, assessment reliably.
In the design process of aviation alternator, how to overcome the impact of electromagnetism, material, structure, the performance of environment on generator, and the wide voltage how aviation alternator being sent, broadband AC power is effectively converted to direct supply, building a set of alternator design simulating, verifying and test platform is a rational solution.Because the singularity of alternator product is as high rotating speed, stator, rotor isolating construction, in running, need lubricating oil cooling, output can short circuit etc., and development is carried out very difficultly, is one of gordian technique of aircraft, once be once the focus that the military and main frame unit pay close attention to, for this reason, special test equipment is badly in need of in relevant unit, for examination, functional test, failure proof, system integration test and the technical research of alternator and power converter.
Test, the examination platform of the alternator in existing Aeroengine Control Systems adopt traditional gear speed raising case mode, and moment of inertia is large, and response speed is slow, cannot true reappearance engine transient change procedure.Cannot meet high-power, the test of high tacho generator, examination demand.
Owing to lacking special test and testing equipment, product enter rear shortage detect research technique, also lack the degree of depth of verification experimental verification, affect making smooth advances of whole Engine digital control system development always.The concerned power generation machine Development Techniques particularly experimental test technology of generator key components and parts is external strict technology of blocking, and domestic do not have the similar equipment can be for reference yet.
Summary of the invention
The present invention is intended to overcome the existing above-mentioned defect of prior art, a kind of proving installation of alternator of the correlation parameter under can automatic real-time measurement generator different operating state is provided, for product development, Performance Assessment, inspection and acceptance provide foundation, realize alternator aeronautic measurement comprehensive standard.
The present invention carrys out specific implementation by the following technical programs.
A kind of proving installation of alternator, it is characterized in that: the proving installation of described alternator comprises frame, TT&C system, drag case and power converter, also comprise operator's console cooling and heating, end face in frame is provided with worktable, in frame and below worktable, be provided with cooling system and heating system, operator's console cooling and heating is located at by the side of frame, dragging motor and switching tooling are installed on worktable, dragging motor and switching tooling are in transmission connection, testpieces as test is alternator and is connected with switching tooling, switching tooling is for the accessory drive gearbox of analog AC engine and the independently two cover oil supply loops that are provided with mutual isolation and are independent of each other, one tunnel is that described alternator is for lubricating oil, another road is that the mechanical joints between switching tooling and alternator supplies lubricating oil, TT&C system comprises controls computing machine and measurement and control unit, control computing machine in TT&C system is according to the duty of the accessory drive gearbox of alternator, controlling dragging motor turns round, cooling system is that described dragging motor and switching tooling and alternator carry out cooling according to duty, heating system can be heated to alternator, measurement and control unit is for the checking of alternator performance test, check and accept and participate in test joint-trial, and to the temperature in alternator and power converter test, pressure, flow, voltage, electric current, frequency, the signal of reporting to the police carries out data acquisition and control, and monitoring and control described dragging motor, wherein switching tooling is described alternator the cold and hot of confession lubricating oil is mainly the state that simulation flows into alternator lubricating oil, can be to entering the temperature of alternator lubricating oil, flow is controlled, analog AC generator is at different oil temperatures, pressure, operating characteristic during for oil condition.
Described control computing machine is provided with modular man-machine interface, modular man-machine interface comprises main interface, high-speed electric expreess locomotive interface, oil system interface, parametric calibration interface, fault diagnosis interface, data readback interface and section setting, described measurement and control unit comprises collecting computer, data acquisition computer gathers moment of torsion and the rotating speed of dragging motor, the case temperature of alternator and power converter, environment temperature and electronic program load signal, gather alternator line voltage by the first processing unit, phase current and control signal thereof, gather the voltage of power converter by the second processing unit, electric current, frequency.
Described dragging motor and control thereof comprise supply voltage: three-phase AC380V; The range of speeds: 250～25000r/min, stepless adjustable to maximum speed by starting point, maximum speed can free amplitude limit; Power bracket: the full range of speeds is not less than 10kW, and load torque is not less than 4N.M; Control function: drag platform and be provided with manual/auto two kinds of regulative modes, auto state adopts PC control, and manual mode adopts knob control, drag on platform and with interface and can supply his machine control; Index For Steady-state: the sampling period is not more than under 100ms, be not more than ± 0.1% dynamic indicator of rotating speed stable state processed: 5% step response time of the unloaded rated speed of high-speed electric expreess locomotive is not more than 200ms; Turn to: from motor output end backward, for counterclockwise, also can inverted running; Cooling: to carry liquid coolant and force liquid cooling; Liquid coolant is aerooil 4050.Enter alternator adapter cold oil temperature lower than 55 DEG C, enter the controlled intensification of oil temperature and the cooling of tested alternator, temperature range is 20～150 DEG C, and flow can change with rotating speed automatically according to testing requirements, and can meet long-time running; Output shaft jerk value: after output shaft tape relay seat, the be not more than ± 0.03mm of output shaft radial beat eccentricity of adapter; Duty: energy continuous working at least 15 hours; Defencive function: dragging motor overload, overcurrent, excess temperature are processed and protected; Electromagnetic compatibility: meet the relevant EMC Requirements of GB, do not affect miscellaneous equipment, instrument is normally worked;
Described dragging motor adopts 25000RPM High-speed DC drive motor.
The lubricating oil isolation of described alternator and switching tooling connecting end surface adopts rotary seal mode to seal.
The present invention compared with prior art tool has the following advantages: the present invention has abandoned the mode of traditional slowspeed machine band raising speed case, adopts directly to drive at a high speed kinematic train and provide power for alternator.Directly drive at a high speed the requirement that kinematic train is moving, steady-state behaviour meets accessory drive gearbox real work state, duty that can real simulation alternator, for performance test and the checking of alternator provide reliable foundation.
The proving installation of alternator of the present invention can be used for performance test, simulated engine accessory drive gearbox operating mode l-G simulation test, short-circuit fault simulation test, open circuit fault simulation test, hot operation test, low-temperature working test, the long-life certification test of alternator; Can be used for performance test, simulation FADEC load condition l-G simulation test, environmental test, EMC test, the environmental stress screening test of power converter; Can be used for performance test, resultant fault test, combined reliability test, participation system integration semi-physical simulation after alternator and power converter coupling, and can be used for the performances acceptance of alternator and power converter.
The proving installation of alternator of the present invention adopts modular design on the whole, facilitate integrated and safeguard, simultaneously by experiment process standardization, process of the test robotization, test findings standardization, the consistance and the reliability that have greatly improved test efficiency and test findings, overall performance meets design requirement.
Brief description of the drawings
Fig. 1 is the structural representation () of the proving installation of alternator of the present invention;
Fig. 2 is the structural representation (two) of the proving installation of alternator of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the proving installation of alternator of the present invention is described in detail.
As Fig. 1, Fig. 2, the proving installation of alternator of the present invention, comprise TT&C system 1, drag case 2, frame 4 and power converter, also comprise operator's console 3 cooling and heating, be provided with worktable 5 at the end face of frame 4, in frame 4 and below worktable 5, be provided with cooling system 6 and heating system 7, operator's console 3 cooling and heating is located at by the side of frame 4, dragging motor 8 and switching tooling 9 are installed on worktable 5, dragging motor and switching tooling are in transmission connection, testpieces as test is alternator 10 and is connected with switching tooling 9, switching tooling 9 is for the accessory drive gearbox of analog AC engine 10 and the independently two cover oil supply loops that are provided with mutual isolation and are independent of each other, one tunnel is described alternator fuel feeding, another road is the mechanical joints fuel feeding between switching tooling and alternator, TT&C system 1 comprises controls computing machine and measurement and control unit, control computing machine in TT&C system is according to the duty of engine accessory power rating casing, controlling dragging motor 8 turns round, cooling system 6 is that dragging motor 8 and switching tooling 9 and alternator 10 carry out cooling according to duty, be that cooling system 6 is provided with pipeline by dragging motor 8 and switching tooling 9 and alternator 10, heating system 7 is provided with pipeline and passes through alternator, thereby can heat to alternator.Measurement and control unit is for the checking of alternator performance test, examination and participate in test joint-trial, and the signal of the temperature in alternator and power converter test, pressure, flow, voltage, electric current, frequency, warning is carried out data acquisition and controlled, realize monitoring and control described dragging motor.Wherein switching tooling 9 is alternator 10 the cold and hot of confession lubricating oil is mainly the state that simulation flows into alternator lubricating oil, can control to the temperature, the flow that enter alternator lubricating oil the operating characteristic of analog AC generator in the time of different oil temperatures, pressure, confession oil condition.
Control computing machine and be provided with modular man-machine interface, modular man-machine interface comprises main interface, high-speed electric expreess locomotive interface, oil system interface, parametric calibration interface, fault diagnosis interface, data readback interface and section setting, measurement and control unit comprises collecting computer, data acquisition computer gathers moment of torsion and the rotating speed of dragging motor, the case temperature of alternator and power converter, environment temperature and electronic program load signal, gather alternator line voltage by the first processing unit, phase current and control signal thereof, gather the voltage of power converter by the second processing unit, electric current, frequency.Dragging motor comprises High-speed DC drive motor and kinematic train thereof, as adopt 250～25000RPM High-speed DC drive motor, the requirement of the real work state by its stable state sexual satisfaction alternator accessory drive gearbox, the duty of real simulation alternator, for performance test and the checking of alternator provide reliable foundation.
Wherein alternator 10 adopts rotary seal mode to seal with the lubricating oil isolation of the connecting end surface of switching tooling 9.
The proving installation of alternator of the present invention, is the duty of simulation Aeroengine Control Systems Special alternating-current generator and power converter, regulating load parameter automatically, and to being gathered by the various parameters of trial product, generating report forms.
Wherein the proving installation of alternator also comprises dragging motor switch board, parameter testing cabinet, electronic load, measurement and control unit comprises data acquisition computer, control computing machine by driver control dragging motor, data acquisition computer gathers the moment of torsion of dragging motor and the case temperature of rotating speed, alternator and power converter, environment temperature and electronic program load signal, gather alternator line voltage, phase current and control signal thereof by the first processing unit, gather voltage, electric current, the frequency of power converter by the second processing unit.
The proving installation of alternator of the present invention can be used for performance test, simulated engine accessory drive gearbox operating mode l-G simulation test, short-circuit fault simulation test, open circuit fault simulation test, hot operation test, low-temperature working test, the long-life certification test of alternator; Can be used for performance test, simulation FADEC load condition l-G simulation test, environmental test, EMC test, the environmental stress screening test of power converter; Can be used for performance test, resultant fault test, combined reliability test, participation system integration semi-physical simulation after alternator and power converter coupling, and can be used for the performances acceptance of alternator and power converter.
Control computing machine testing software is installed, testing software adopts Document/View System Based mechanical development, adopt Visual C Plus Plus and MFC class libraries, Measurement Studio virtual instrument control in conjunction with NI company carries out interface, adopt object-oriented programming technology, testing system software adopts modular design, comprises the interface and the module that are made up of main interface, high-speed electric expreess locomotive interface, oil system interface, parametric calibration interface, fault diagnosis interface, data readback interface, section setting, background data base.
Dragging motor of the present invention and control thereof:
Supply voltage: three-phase AC380V; The range of speeds: (250～25000) r/min, stepless adjustable to maximum speed by starting point, maximum speed can free amplitude limit; Power bracket: the full range of speeds is not less than 10kW (load torque is not less than 4N.M); Control function: drag platform and be provided with manual/auto two kinds of regulative modes, auto state adopts PC control, and manual mode adopts knob control, drag on platform and with interface and can supply his machine control; Index For Steady-state: the sampling period is not more than under 100ms, rotating speed stable state processed is not more than ± and 0.1%; (by the inner collection value examination of frequency converter) dynamic indicator: 5% step response time of the unloaded rated speed of high-speed electric expreess locomotive is not more than 200ms; (50%, 60%, 80%, 90% four some examination raising speed and reduction of speed dynamic.) turn to: from motor output end backward, be counterclockwise (can inverted running); Cooling: to carry liquid coolant and force liquid cooling; Liquid coolant is aerooil 4050.Enter alternator adapter cold oil temperature lower than 55 DEG C, enter the controlled intensification of oil temperature and the cooling of tested alternator, temperature range is (20～150) DEG C, and flow can change with rotating speed automatically according to testing requirements, and can meet long-time running; Output shaft jerk value: after output shaft tape relay seat, the be not more than ± 0.03mm of output shaft radial beat eccentricity of adapter; Duty: adapt to S1 (continuously), energy continuous working at least 15 hours; Defencive function: dragging motor overload, overcurrent, excess temperature are processed and protected; Electromagnetic compatibility: meet the relevant EMC Requirements of GB; Do not affect miscellaneous equipment, instrument is normally worked.
The gordian technique of the proving installation of alternator of the present invention is:
1,25000RPM directly drives at a high speed:
The present invention has abandoned the mode of traditional slowspeed machine band raising speed case, adopts 25000RPM directly to drive at a high speed kinematic train and provides power for alternator.Directly drive at a high speed the requirement that kinematic train is moving, steady-state behaviour meets accessory drive gearbox real work state, duty that can real simulation alternator, for performance test and the checking of alternator provide reliable foundation.
2, the emulation of alternator accessory drive gearbox environment: switching tooling is for simulating mechanical joints and the alternator oil supply loop of accessory drive gearbox and alternator.Switching tooling possesses two and overlaps independently oil supply loop, and a road is alternator fuel feeding, and another road is switching tooling high-speed bearing cooling and lubricating fuel feeding, and two cover oil circuits are isolated mutually, are independent of each other.The lubricating oil isolation of alternator and switching tooling connecting end surface adopts rotary seal mode, make alternator in the time of High Rotation Speed in alternator in lubricating oil and switching tooling lubricating oil can not interpenetrate, both ensure the normal lubrication of switching tooling, ensured again the normal fuel injection of alternator.
3, the cold and hot simulation of lubricating oil: the cold and hot simulation of lubricating oil is mainly the state that simulation flows into alternator lubricating oil, can be to entering the temperature of alternator lubricating oil, flows etc. are controlled, the operating characteristic of analog AC generator in the time of different oil temperatures, pressure, confession oil condition.
4, testing software: software adopts Document/View System Based mechanical development, adopt Visual C Plus Plus and MFC class libraries, Measurement Studio virtual instrument control in conjunction with NI company carries out interface, adopt object-oriented programming technology, software reliability is good, and there is certain Universal and scalability, can take into account follow-up developments.Testing system software adopts modular design; comprise interface and the modules such as main interface, high-speed electric expreess locomotive interface, oil system interface, parametric calibration interface, fault diagnosis interface, data readback interface, section setting, background data base, and possess perfect defencive function.
Claims (5)
1. the proving installation of an alternator, it is characterized in that: the proving installation of described alternator comprises frame, TT&C system, drag case and power converter, also comprise operator's console cooling and heating, end face in frame is provided with worktable, in frame and below worktable, be provided with cooling system and heating system, operator's console cooling and heating is located at by the side of frame, dragging motor and switching tooling are installed on worktable, dragging motor and switching tooling are in transmission connection, testpieces as test is alternator and is connected with switching tooling, switching tooling is for the accessory drive gearbox of analog AC engine and the independently two cover oil supply loops that are provided with mutual isolation and are independent of each other, one tunnel is that described alternator is for lubricating oil, another road is that the mechanical joints between switching tooling and alternator supplies lubricating oil,
TT&C system comprises controls computing machine and measurement and control unit, control computing machine in TT&C system is according to the duty of the accessory drive gearbox of alternator, controlling dragging motor turns round, cooling system is that described dragging motor and switching tooling and alternator carry out cooling according to duty, heating system can be heated to alternator, measurement and control unit is for the checking of alternator performance test, check and accept and participate in test joint-trial, and to the temperature in alternator and power converter test, pressure, flow, voltage, electric current, frequency, the signal of reporting to the police carries out data acquisition and control, and monitoring and control described dragging motor,
Wherein switching tooling is described alternator the cold and hot of confession lubricating oil is mainly the state that simulation flows into alternator lubricating oil, can control to the temperature, the flow that enter alternator lubricating oil the operating characteristic of analog AC generator in the time of different oil temperatures, pressure, confession oil condition.
2. the proving installation of alternator according to claim 1, it is characterized in that: described control computing machine is provided with modular man-machine interface, modular man-machine interface comprises main interface, high-speed electric expreess locomotive interface, oil system interface, parametric calibration interface, fault diagnosis interface, data readback interface and section setting
Described measurement and control unit comprises collecting computer, data acquisition computer gathers the moment of torsion of dragging motor and the case temperature of rotating speed, alternator and power converter, environment temperature and electronic program load signal, gather alternator line voltage, phase current and control signal thereof by the first processing unit, gather voltage, electric current, the frequency of power converter by the second processing unit.
3. the proving installation of alternator according to claim 1, is characterized in that described dragging motor and control thereof comprise:
Supply voltage: three-phase AC380V;
The range of speeds: 250～25000r/min, stepless adjustable to maximum speed by starting point, maximum speed can free amplitude limit;
Power bracket: the full range of speeds is not less than 10kW, and load torque is not less than 4N.M;
Control function: drag platform and be provided with manual/auto two kinds of regulative modes, auto state adopts PC control, and manual mode adopts knob control, drag on platform and with interface and can supply his machine control;
Index For Steady-state: the sampling period is not more than under 100ms, rotating speed stable state processed is not more than ± and 0.1%;
Dynamic indicator: 5% step response time of the unloaded rated speed of high-speed electric expreess locomotive is not more than 200ms;
Turn to: from motor output end backward, for counterclockwise, also can inverted running;
Cooling: to carry liquid coolant and force liquid cooling; Liquid coolant is aerooil 4050.Enter alternator adapter cold oil temperature lower than 55 DEG C, enter the controlled intensification of oil temperature and the cooling of tested alternator, temperature range is 20～150 DEG C, and flow can change with rotating speed automatically according to testing requirements, and can meet long-time running;
Output shaft jerk value: after output shaft tape relay seat, the be not more than ± 0.03mm of output shaft radial beat eccentricity of adapter;
Duty: energy continuous working at least 15 hours;
Defencive function: dragging motor overload, overcurrent, excess temperature are processed and protected;
Electromagnetic compatibility: meet the relevant EMC Requirements of GB, do not affect miscellaneous equipment, instrument is normally worked.
4. the proving installation of alternator according to claim 3, is characterized in that: described dragging motor adopts 25000RPM High-speed DC drive motor.
5. the proving installation of alternator according to claim 1, is characterized in that: the lubricating oil isolation of described alternator and switching tooling connecting end surface adopts rotary seal mode to seal.
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| CN111856280A (en) * | 2020-08-14 | 2020-10-30 | 上海法雷奥汽车电器系统有限公司 | Gear transmission inspired integrated motor durability test device and test method |
| CN113092970A (en) * | 2021-04-21 | 2021-07-09 | 银川怡祥矿山机械制造有限公司 | Large-scale motor comprehensive test platform |
| CN118732671A (en) * | 2024-09-03 | 2024-10-01 | 南通市产品质量监督检验所 | An intelligent test system for the response time of motor control of new energy vehicles |
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