CN208654235U - Device for detecting quadrature-direct axis inductance - Google Patents
Device for detecting quadrature-direct axis inductance Download PDFInfo
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- CN208654235U CN208654235U CN201820474537.5U CN201820474537U CN208654235U CN 208654235 U CN208654235 U CN 208654235U CN 201820474537 U CN201820474537 U CN 201820474537U CN 208654235 U CN208654235 U CN 208654235U
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- electric machine
- external rotor
- motor
- current
- machine controller
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- 238000001514 detection method Methods 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Abstract
The utility model discloses a device for detecting the quadrature-direct axis inductance, which comprises a power analyzer, a motor controller and a tool device for fixing the 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. The utility model discloses when detecting motor inductance parameter, do not produce the torque, simplify and detect the frock.
Description
Technical field
The utility model relates to electric machines test technical fields, and in particular to a kind of device for detecting ac-dc axis inductance.
Background technique
With the continuous development of science and technology and continuous improvement of people's living standards, 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.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of detection ac-dc axis electricity
The device of sense.
It is for technical solution used by realization the purpose of this utility model:
A kind of device detecting ac-dc axis inductance, comprising:
Potentiometer, host computer, DC DC power supply, 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 supply, potentiometer and tested external rotor electric machine, described
Potentiometer is used to adjust the voltage of the driving signal of electric machine controller output and the amplitude of electric current, and the electric machine controller is according to electricity
Exchange needed for the steady direct current that DC DC power supply provides is converted the tested external rotor electric machine of driving by the instruction of position device drives
Signal, to control starting, operation and the stopping of 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 includes the worm-gear speed reducer being mounted in stage support 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 on the outer circumference surface for being clamped in external rotor electric machine, the gripping block clamps the outer of face and the external rotor electric machine
Shape on periphery be adapted and can positioning card in the groove 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, which 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 in the slot of the frame of U-shape by nut, described
Flexible pad on the clamping face of gripping block.
The worm-gear speed reducer uses hand-rail type structure.
Two phase lines of the external rotor electric machine are shorted or the two-phase of electric machine controller exports same-phase.
The utility model can be used for solving the problems, such as that detection ac-dc axis inductance detection exists and solution in the prior art
Measurement influences the technical issues of motor ac-dc axis inductance variation physical quantity, and when detecting motor inductances parameter, does not generate torque,
Simplify detecting tool.
Detailed description of the invention
Fig. 1 is the schematic illustration for detecting the device of 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 embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-4, a kind of device detecting ac-dc axis inductance, comprising:
Fitting device, electric machine controller, power analyzer, DC DC power supply, potentiometer, host computer；Wherein, DC direct current
Source is connected with the bus of electric machine controller, provides steady direct current source for electric machine controller；Electric machine controller three-phase driving signal
It is connected with external rotor electric machine fixed on fitting device, electric machine controller receives the debugging signal of potentiometer, outer rotor motor
Issue driving signal；Power analyzer is connected with motor control, detect electric machine controller driving 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 driving 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 output alternating current drive signal.
In the utility model, the power analyzer can show that electric machine controller exports alternating current drive signal, control
AC signal frequency is adjusted, the electric machine controller 2 can be set according to host computer, change the frequency of output alternating current drive signal
Rate.
When work, adjusting potentiometer can adjust the amplitude of voltage and current of electric machine controller output drive signal；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 supply is alternating current needed for driving tested external rotor electric machine, to control
Starting, 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, for driving 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 accurately to control the mechanical angle of motor outer rotor, and are used to reducing
Revolving 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, fixes tested 1 outer rotor position of external rotor electric machine.
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 relatively tested 7 electromagnetic point of external rotor electric machine of outer rotor.
Specifically, the fixture includes the frame 130 of a U-shape, installed on two opposite flanks 131 of the frame
There are the gripping block 132 on the outer circumference surface for being clamped in external rotor electric machine, the clamping face of the gripping block and the outer rotor
Shape on the outer circumference surface of motor be adapted and can positioning card in the groove on the excircle of the external rotor electric machine, it is 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, two phase lines of the external rotor electric machine are shorted or the two-phase of electric machine controller exports same-phase, this is practical new
Type uses the external rotor electric machine testing ac-dc axis inductance of two phase line same-phases, specific electric machine controller connection principle such as Fig. 4 institute
Show, including power device V1-V6, DC current is changed into the coil of alternating current output external rotor electric machine, realizes control
The operation of external rotor electric machine, including starting, operation and stopping.
The utility model using two phase line same-phases external rotor electric machine testing ac-dc axis inductance when, do not generate torque,
Simplify detection stall tooling, plays an important role to motor production and electric machine control system.Compared with prior art, the utility model
Embodiment can simplify the device of detection motor ac-dc axis inductance, and method is easy, improve detection ac-dc axis inductance efficiency, become electricity
Machine design and electric machines control technology research and development basis.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (4)
1. a kind of device for detecting ac-dc axis inductance, including potentiometer, host computer, DC DC power supply, power analyzer, motor control
Device processed, the electric machine controller are connected with host computer, DC DC power supply, potentiometer and tested external rotor electric machine, the electricity
Position device is used to adjust the voltage of the driving signal of electric machine controller output and the amplitude of electric current, and the electric machine controller is according to current potential
Exchange driving letter needed for the steady direct current that DC DC power supply provides is converted the tested external rotor electric machine of driving by the instruction of device
Number, to control starting, operation and the stopping of tested external rotor electric machine；The electric machine controller and can according to the setting of host computer,
Change the frequency of output alternating current drive signal；The power analyzer is connected with electric machine controller and host computer, with detection
Driving signal voltage magnitude, frequency and the current amplitude and wave recording data of the electric machine controller, are transmitted to host computer and deposit
Storage records and exports display；It is characterized in that, further including the fitting device for the outer rotor of fixed tested external rotor electric machine；Institute
Stating fitting device includes the worm-gear speed reducer being mounted in stage support and the outer rotor for fixing external rotor electric machine
Fixture；The fixture includes the frame of a U-shape, is equipped on two opposite flanks of the frame outer for being clamped in
Gripping block on the outer circumference surface of rotor electric machine, on the outer circumference surface for clamping face and the external rotor electric machine of the gripping block
Shape be adapted and can positioning card in the groove on the excircle of the external rotor electric machine, the worm-gear speed reducer it is defeated
The frame of shaft and the fixture, which is connected, adjusts the electromagnetic point of the opposite motor of outer rotor to drive the frame to rotate.
2. the device of detection ac-dc axis inductance according to claim 1, which is characterized in that the gripping block is mounted on screw rod
On, the screw rod is mounted in the slot of the frame of U-shape by nut, flexible pad on the clamping face of the gripping block.
3. 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.
4. 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
Line is shorted or the two-phase of electric machine controller exports same-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474537.5U CN208654235U (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 |
|---|---|---|---|
| CN201820474537.5U CN208654235U (en) | 2018-04-04 | 2018-04-04 | Device for detecting quadrature-direct axis inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654235U true CN208654235U (en) | 2019-03-26 |
Family
ID=65776067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820474537.5U Expired - Fee Related CN208654235U (en) | 2018-04-04 | 2018-04-04 | Device for detecting quadrature-direct axis inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208654235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490268A (en) * | 2018-04-04 | 2018-09-04 | 天津中科先进技术研究院有限公司 | Device for detecting quadrature-direct axis inductance |
-
2018
- 2018-04-04 CN CN201820474537.5U patent/CN208654235U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490268A (en) * | 2018-04-04 | 2018-09-04 | 天津中科先进技术研究院有限公司 | Device for detecting quadrature-direct axis inductance |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220525 Address after: 300450 room 505, gate 5, building 9, No. 39, Gaoxin 6th Road, Binhai Science Park, Binhai New Area, Tianjin Patentee after: Zhongxiang wisdom (Tianjin) Technology Co.,Ltd. Address before: 300384 R & D center of Xingqi No. 1 Innovation workshop, No. 3, Haitai development road 6, Huayuan Industrial Zone (outside the ring), Binhai high tech Zone, Xiqing District, Tianjin 301 Patentee before: TIANJIN CHINESE-ACADEMY-OF-SCIENCES INSTITUTE OF ADVANCED TECHNOLOGY |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |