CN108490268A - Device for detecting quadrature-direct axis inductance - Google Patents
Device for detecting quadrature-direct axis inductance Download PDFInfo
- Publication number
- CN108490268A CN108490268A CN201810296276.7A CN201810296276A CN108490268A CN 108490268 A CN108490268 A CN 108490268A CN 201810296276 A CN201810296276 A CN 201810296276A CN 108490268 A CN108490268 A CN 108490268A
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- electric machine
- external rotor
- motor
- current
- machine controller
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2611—Measuring inductance
-
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Abstract
The invention discloses a device for detecting quadrature-direct axis inductance, which comprises a power analyzer, a motor controller and a tool device for fixing an outer rotor of a detected outer rotor motor; the motor controller is connected with the upper computer, the DC direct-current power supply, the potentiometer and the tested outer rotor motor, the potentiometer adjusts the voltage and current amplitude of a driving signal output by the motor controller, and the motor controller converts constant and stable direct current provided by the DC direct-current power supply into an alternating-current driving signal required for driving the tested outer rotor motor according to an instruction of the potentiometer so as to control the tested outer rotor motor to start, run and stop; the motor controller can change the frequency of the output alternating current driving signal according to the setting of the upper computer; the power analyzer is connected with the motor controller and the upper computer to detect the voltage amplitude, the frequency and the current amplitude of the driving signal of the motor controller, record waveform data, transmit the waveform data to the upper computer to be stored, recorded and output and displayed. When the motor inductance parameter is detected, the torque is not generated, and the detection tool is simplified.
Description
Technical field
The present invention relates to electric machines test technical fields, and in particular to a kind of device of detection ac-dc axis inductance.
Background technology
With the continuous development of science and technology and people's living standards continue to improve, the application of motor, especially external rotor electric
Machine is on new-energy automobile using also more and more extensive.The inductance of motor is the important parameter of design of electrical motor, while inductance parameters
It is also the important evidence of performance analysis of electric machine and optimization design.
It is in place of the deficiencies in the prior art, the detection method of inductance is complicated, and the interference of generation is more, influences inductance detection
Precise degrees and calculating to electric efficiency.
Invention content
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of detection ac-dc axis inductance
Device.
The technical solution adopted to achieve the purpose of the present invention is：
A kind of device of detection ac-dc axis inductance, including:
Potentiometer, host computer, DC DC power supplies, power analyzer, electric machine controller and for fixed tested outer rotor
The fitting device of the outer rotor of motor；
The electric machine controller is connected with host computer, DC DC power supplies, potentiometer and tested external rotor electric machine, described
Amplitude of the potentiometer for the voltage and electric current of the drive signal of regulation motor controller output, the electric machine controller is according to electricity
The instruction of position device converts the steady direct current that DC DC power supplies provide to the exchange that driving is tested needed for external rotor electric machine and drives
Signal, to control the startup, operation and the stopping that being tested external rotor electric machine；The electric machine controller simultaneously can setting according to host computer
It is fixed, change the frequency of output alternating current drive signal；
The power analyzer is connected with electric machine controller and host computer, to detect the driving of the electric machine controller
Signal voltage amplitude, frequency and current amplitude and wave recording data are transmitted to host computer storage and record and export display.
The fitting device include be mounted on stage support on worm-gear speed reducer and for fixing external rotor electric
The fixture of the outer rotor of machine；The fixture includes the frame of a U-shape, is installed on two opposite flanks of the frame useful
In the gripping block being clamped on the outer circumference surface of external rotor electric machine, the gripping block clamps the outer of face and the external rotor electric machine
Shape on periphery is adapted and can position in the groove being stuck on the excircle of the external rotor electric machine, the worm and gear
The frame of the output shaft of speed reducer and the fixture is connected adjusts the electricity of the opposite motor of outer rotor to drive the frame to rotate
Magnetic degree.
The gripping block is mounted on screw rod, and the screw rod is mounted on by nut in the slot of the frame of U-shape, described
Flexible pad on the clamping face of gripping block.
The worm-gear speed reducer uses hand-rail type structure.
Two phase line short circuits of the external rotor electric machine or the two-phase of electric machine controller export same-phase.
The present invention can be used for solving the problems, such as that detection ac-dc axis inductance detection exists and solves to measure in the prior art
The technical issues of influencing motor ac-dc axis inductance variation physical quantity, and when detecting motor inductances parameter, torque is not generated, simplify
Detecting tool.
Description of the drawings
Fig. 1 is the principle schematic for the device for detecting ac-dc axis inductance；
Fig. 2 is the structural schematic diagram of fitting device；
Fig. 3 is the schematic diagram of the fixture of fitting device.
Fig. 4 is electric machine controller elementary diagram.
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
Referring to shown in Fig. 1-4, a kind of device of detection ac-dc axis inductance, including：
Fitting device, electric machine controller, power analyzer, DC DC power supplies, potentiometer, host computer；Wherein, DC direct currents
Source is connected with the busbar of electric machine controller, and steady direct current source is provided for electric machine controller；Electric machine controller three-phase driving signal
It is connected with fixed external rotor electric machine on fitting device, electric machine controller receives the debugging signal of potentiometer, outer rotor motor
Send out drive signal；The control of power analyzer and motor is connected, and detects electric machine controller drive signal voltage magnitude, frequency and
Current amplitude, and wave recording data；Power analyzer is connected with host computer, detects that electric machine controller drives by connection handle
Dynamic signal voltage amplitude, frequency and current amplitude are sent to host computer, and host computer records and analyzes drive signal information, and host computer
It is connect with electric machine controller, setting signal can be inputted to realize the frequency for changing electric machine controller and exporting alternating current drive signal.
In the present invention, the power analyzer can show that electric machine controller exports alternating current drive signal, control to adjust
AC signal frequency, the electric machine controller 2 can be set according to host computer, change the frequency of output alternating current drive signal.
When work, the amplitude that potentiometer can adjust the voltage and current of electric machine controller output drive signal is adjusted；Motor
Controller is connected to the motor, and provides electric energy for motor, control motor works in the way of setting.Electric machine controller is according to current potential
The DC conversion that the regulating command of device provides DC DC power supplies is the alternating current needed for the tested external rotor electric machine of driving, to control
Startup, operation and the stopping of motor processed；Meanwhile electric machine controller 2 can change output exchange driving letter according to the setting of host computer
Number frequency；The detection information of host computer reception, display and the output of storage power analyzer, and host computer can be passed through and realize tune
The output drive signal frequency of economize on electricity machine controller.
The power analyzer is used for drive signal voltage magnitude, frequency and the current amplitude of electric machine controller, record
Wave data, and be transmitted to host computer storage and record and export display.
Shown in referring to figure 2-3, wherein the fitting device includes worm-gear speed reducer 11, stage support 12, folder
Tool 13, worm-gear speed reducer 11, hand-rail type driving, to accurately control the mechanical angle of motor outer rotor, and for reducing
Rotating speed improves output torque simultaneously；Stage support 12 provides a stable support for integral device；Fixture 13 is by adjusting folder
Have upper and lower position, tested 1 outer rotor position of external rotor electric machine is made to fix.
Wherein, fixture 13 is connected with external rotor electric machine 1 in fitting device 1, the outer rotor of fixed tested external rotor electric machine 1,
Fixture 13 is connected with worm-gear speed reducer 11, for adjusting outer rotor 7 electromagnetic point of tested external rotor electric machine relatively.
Specifically, the fixture includes the frame 130 of a U-shape, installed on two opposite flanks 131 of the frame
It is useful for being clamped in the gripping block 132 on the outer circumference surface of external rotor electric machine, the clamping face of the gripping block and the outer rotor
Shape on the outer circumference surface of motor is adapted and can position in the groove being stuck on the excircle of the external rotor electric machine, described
The output shaft of worm-gear speed reducer is connected with the frame of the fixture to drive the frame rotation opposite to adjust outer rotor
The electromagnetic point of motor.
Specifically, the gripping block is mounted on screw rod 136, the screw rod is installed by two nuts 133 in interior outside
In the slot 135 of the frame of U-shape, the gripping block uses elastic rubber cushion block.
Among fixture, screw rod can horizontally slip to fix external rotor electric the external rotor electric machine in slot
Machine tightens fixation with nut.Interstitial hole 134 axis connection worm-gear speed reducer and fixture on frame rotate worm and gear
The idler wheel of speed reducer fine-tunes external rotor electric machine.
Wherein, the two-phase of two phase line short circuits of the external rotor electric machine or electric machine controller exports same-phase, and the present invention makes
With the external rotor electric machine testing ac-dc axis inductance of two phase line same-phases, specific electric machine controller connection principle is as shown in figure 4, packet
Power device V1-V6 is included, DC current is changed into the coil that alternating current exports external rotor electric machine, realizes control outer rotor
The operation of motor, including startup, operation and stopping.
The present invention using two phase line same-phases external rotor electric machine testing ac-dc axis inductance when, do not generate torque, simplify
Stall tooling is detected, is played an important role to motor production and electric machine control system.Compared with prior art, energy of the embodiment of the present invention
Enough devices for simplifying detection motor ac-dc axis inductance, method is easy, improves detection ac-dc axis inductance efficiency, become design of electrical motor and
Electric machines control technology research and development basis.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of device of detection ac-dc axis inductance, which is characterized in that including:
Potentiometer, host computer, DC DC power supplies, power analyzer, electric machine controller and for fixed tested external rotor electric machine
Outer rotor fitting device；
The electric machine controller is connected with host computer, DC DC power supplies, potentiometer and tested external rotor electric machine, the current potential
Amplitude of the device for the voltage and electric current of the drive signal of regulation motor controller output, the electric machine controller is according to potentiometer
Instruction by the steady direct current that DC DC power supplies provide be converted into driving be tested external rotor electric machine needed for alternating current drive signal,
To control the startup, operation and the stopping that being tested external rotor electric machine；The electric machine controller can simultaneously change according to the setting of host computer
Export the frequency of alternating current drive signal；
The power analyzer is connected with electric machine controller and host computer, to detect the drive signal of the electric machine controller
Voltage magnitude, frequency and current amplitude and wave recording data are transmitted to host computer storage and record and export display.
2. the device of detection ac-dc axis inductance according to claim 1, which is characterized in that the fitting device includes installation
The fixture of worm-gear speed reducer in stage support and the outer rotor for fixing external rotor electric machine；The fixture includes
The frame of one U-shape is equipped with the outer circumference surface for being clamped in external rotor electric machine on two opposite flanks of the frame
On gripping block, the clamping face of the gripping block on the outer circumference surface of the external rotor electric machine shape be adapted and can position
It is stuck in the groove on the excircle of the external rotor electric machine, the frame of the output shaft of the worm-gear speed reducer and the fixture
Frame connection is to drive electromagnetic point of the frame rotation to adjust outer rotor with respect to motor.
3. the device of detection ac-dc axis inductance according to claim 2, which is characterized in that the gripping block is mounted on screw rod
On, the screw rod is mounted on by nut in the slot of the frame of U-shape, flexible pad on the clamping face of the gripping block.
4. the device of detection ac-dc axis inductance according to claim 1, which is characterized in that the worm-gear speed reducer is adopted
With hand-rail type structure.
5. the device of detection ac-dc axis inductance according to claim 1, which is characterized in that the two-phase of the external rotor electric machine
The two-phase of line short circuit or electric machine controller exports same-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296276.7A CN108490268A (en) | 2018-04-04 | 2018-04-04 | Device for detecting quadrature-direct axis inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296276.7A CN108490268A (en) | 2018-04-04 | 2018-04-04 | Device for detecting quadrature-direct axis inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108490268A true CN108490268A (en) | 2018-09-04 |
Family
ID=63318097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810296276.7A Pending CN108490268A (en) | 2018-04-04 | 2018-04-04 | Device for detecting quadrature-direct axis inductance |
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| Country | Link |
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| CN (1) | CN108490268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014730A (en) * | 2020-07-30 | 2020-12-01 | 航天科工空间工程发展有限公司 | Testing device for motor load performance |
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| CN101603997A (en) * | 2009-07-03 | 2009-12-16 | 哈尔滨工业大学 | Testing parameters of synchronous motor and realize the device of this method |
| CN201724799U (en) * | 2010-07-16 | 2011-01-26 | 东北大学 | Vibration tester for inner-outer rotor systems |
| JP2012044775A (en) * | 2010-08-19 | 2012-03-01 | Ricoh Co Ltd | Motor drive controller |
| CN203495816U (en) * | 2013-10-31 | 2014-03-26 | 詹白勺 | Clamp for measuring work of external rotor motor |
| CN203870219U (en) * | 2014-03-25 | 2014-10-08 | 常州精瑞自动化装备技术有限公司 | Motor testbed measurement and control system |
| CN105425149A (en) * | 2015-11-06 | 2016-03-23 | 中国科学院电工研究所 | Detection device for AC motor drive system |
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2018
- 2018-04-04 CN CN201810296276.7A patent/CN108490268A/en active Pending
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| CN101603997A (en) * | 2009-07-03 | 2009-12-16 | 哈尔滨工业大学 | Testing parameters of synchronous motor and realize the device of this method |
| CN201724799U (en) * | 2010-07-16 | 2011-01-26 | 东北大学 | Vibration tester for inner-outer rotor systems |
| JP2012044775A (en) * | 2010-08-19 | 2012-03-01 | Ricoh Co Ltd | Motor drive controller |
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| CN112014730A (en) * | 2020-07-30 | 2020-12-01 | 航天科工空间工程发展有限公司 | Testing device for motor load performance |
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