CN206038864U - Motor test system - Google Patents
Motor test system Download PDFInfo
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- CN206038864U CN206038864U CN201621090995.6U CN201621090995U CN206038864U CN 206038864 U CN206038864 U CN 206038864U CN 201621090995 U CN201621090995 U CN 201621090995U CN 206038864 U CN206038864 U CN 206038864U
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- measuring system
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Abstract
The utility model provides a motor test system, include: a high pressure sensor for inciting somebody to action the output voltage of the examination motor that awaits measuring converts into and hangs down voltage signal, a low pressure sensor for inciting somebody to action the electrical resolver's of examination motor that awaits measuring output voltage converts into and becomes voltage signal soon, data acquisition facility is connected with high pressure sensor and low pressure sensor respectively for gather high pressure sensor low voltage signal and low pressure sensor become voltage signal soon, data processing device is connected with data acquisition facility, and data processing device is used for receiving low voltage signal and becomes voltage signal soon, according to hanging down voltage signal and becoming unloaded back emf coefficient and the unloaded back -emf totality harmonic content that voltage signal acquireed the examination motor that awaits measuring soon. Through the utility model discloses a motor test system, equipment is small, and the cost is low, and when treating the test motor and measure, the operation installation is very convenient, and test procedure has obtained reduction by a wide margin the required time to data processing device degree of automation is high.
Description
Technical field
This utility model is related to the field tests of motor, specifically a kind of Motor Measuring System.
Background technology
The motor of new-energy automobile industry, dispatches from the factory delivery to after car load manufacturing enterprise by motor manufacturer, if
Motor detected, need motor is installed on conventional testboard bay, be operated simultaneously by dynamometer machine motor
Carry out dependence test.This method, is on the one hand that the operation to electromechanical testing stand needs special skills, on the other hand exists
Motor installs complicated, the relatively low problem of production efficiency.
Utility model content
This utility model embodiment technical problem to be solved is to provide a kind of Motor Measuring System, to realize to motor
Test operation it is convenient, reduce time of measuring.
For solve above-mentioned technical problem, this utility model embodiment provide Motor Measuring System, including：
For the output voltage of motor to be tested to be converted to the high pressure sensor of low voltage signal；
For the output voltage of the rotary transformer of motor to be tested to be converted to the low pressure sensor of rotation time variant voltage signal；
Data acquisition equipment, is connected with the high pressure sensor and the low pressure sensor respectively, for gathering the height
The rotation time variant voltage signal of the low voltage signal of pressure sensor and the low pressure sensor；
Data processing equipment, is connected with the data acquisition equipment, and the data processing equipment is used for receiving the low electricity
Pressure signal and the rotation time variant voltage signal, obtain the electricity to be tested according to the low voltage signal and the rotation time variant voltage signal
The unloaded back emf coefficient of machine and unloaded back-emf totality harmonic content.
Preferably, the Motor Measuring System also includes：
There is equipment in data, be connected with the rotary transformer, for believing to the rotary transformer output drive voltage
Number.
Preferably, there is equipment and the data acquisition equipment integrally connected in the data.
Preferably, the data acquisition equipment passes through radio communication or data wire is connected with the data processing equipment.
Preferably, the high pressure sensor and the low pressure sensor be Hall type sensor or electromagnetic type sensor or
Resistance type sensor or capacitance type transducers.
Preferably, the high pressure sensor and the low pressure sensor are connected with the data acquisition equipment by holding wire
Connect.
Preferably, the data acquisition equipment is NI9205 data collecting cards.
Preferably, the data generation equipment is connected with the rotary transformer by holding wire.
Compared with prior art, the Motor Measuring System that this utility model embodiment is provided, at least with following beneficial effect
Really：
By Motor Measuring System of the present utility model, equipment volume is little, low cost, measures testing of electric motors is treated
When, extremely convenient is installed in operation, and the time needed for test process is greatly reduced, data processing equipment automatization journey
Degree is high.
Description of the drawings
Fig. 1 is the structural representation of the Motor Measuring System described in this utility model embodiment；
Description of reference numerals：1st, motor to be tested；11st, rotary transformer；2nd, high pressure sensor；3rd, low pressure sensor；4、
Data acquisition equipment；5th, data processing equipment；6th, there is equipment in data.
Specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, there is provided the specific detail of such as specific configuration and component is only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without deviating from scope and spirit of the present utility model.In addition, in order to clear and
Succinctly, eliminate the description to known function and construction.
With reference to Fig. 1, this utility model provides a kind of Motor Measuring System, including：For by the output of motor to be tested 1
High pressure sensor 2 of the voltage conversion for low voltage signal；For the output voltage of the rotary transformer 11 of motor to be tested 1 is turned
It is changed to the low pressure sensor 3 of rotation time variant voltage signal；Data acquisition equipment 4, is passed with the high pressure sensor 2 and the low pressure respectively
Sensor 3 connects, for gathering the rotation time variant voltage signal of the low voltage signal and the low pressure sensor 3 of the high pressure sensor 2；
Data processing equipment 5, is connected with the data acquisition equipment 4, and the data processing equipment 5 is used for receiving the low voltage signal
With the rotation time variant voltage signal, the motor to be tested 1 is obtained according to the low voltage signal and the rotation time variant voltage signal
Unloaded back emf coefficient and unloaded back-emf totality harmonic content.
Specifically, the high voltage that motor to be tested 1 itself is exported is converted to low voltage signal, low pressure by high pressure sensor 2
The output voltage of rotary transformer 11 is converted into sensor 3 voltage signal of appropriate amplitude.Data acquisition equipment 4 passes through data
A-D converter ADC inside collecting device 4 treats the rotation power transformation of the output voltage signal and rotary transformer 11 of testing of electric motors 1
Pressure signal is acquired.
The rotation time variant voltage signal of rotary transformer 11 includes that rotation becomes sine voltage signal and rotation becomes cosine voltage signal, data
Processing meanss 5 can become sinusoidal voltage according to the rotation of the output voltage signal of above-mentioned motor to be tested 1 and rotary transformer 11
Signal and rotation become cosine voltage signal and obtain the oscillogram corresponding to each signal.
Data processing equipment 5 in this utility model is computer, stores the output for treating testing of electric motors 1 in computer
The pre-set programs processed by the rotation time variant voltage signal of voltage signal and rotary transformer 11.
By Motor Measuring System of the present utility model, before the test of testing of electric motors 1 is treated, for the peace of whole system
Dress operation extremely convenient, overcomes car load manufacturing enterprise at this stage and uses traditional means to expense during the motor test fee of admission
The problem of power；In test process, data processing equipment 5 is to the process of output voltage signal and rotation time variant voltage signal using automatic
Change calculating to process, shorten the time needed for test process.
With reference to Fig. 1, in this utility model embodiment, the Motor Measuring System also includes：There is equipment 6 in data, with institute
State rotary transformer 11 to connect, for 11 output drive voltage signal of the rotary transformer.
Specifically, there is equipment 6 and the digital analog converter DAC of equipment 6 occur to rotary transformer by data in data
11 output drive voltage signals.Before the rotation time variant voltage that low pressure sensor 3 obtains rotary transformer 11, need first to become to rotation
Depressor 11 exports a driving voltage signal, and then causes the output rotation time variant voltage of rotary transformer 11.
And it is further, in this utility model embodiment, there is equipment 6 and the data acquisition equipment 4 one in the data
Body connects.
Specifically, can be fixed together by the way of welding so that data acquisition equipment 4 and data equipment 6 occur, just
In carrying and preservation to Motor Measuring System.
And it is further, in this utility model embodiment, the data acquisition equipment 4 pass through radio communication or data wire with
The data processing equipment 5 connects.
Optimally, data acquisition equipment 4 is adopted with data processing equipment 5 and is wirelessly connected, the energy by the way of wireless connection
The movement for enough alloing data processing equipment 5 random, is convenient to test.
And it is further, in this utility model embodiment, the high pressure sensor 2 and the low pressure sensor 3 are suddenly
That type sensor or electromagnetic type sensor or resistance type sensor or capacitance sensor.
Optimally, Hall type sensor is adopted in this utility model, the security performance of Hall type sensor is relative in addition
The security performance of two kinds of sensors is more preferably.
And it is further, in this utility model embodiment, the high pressure sensor 2 and the low pressure sensor 3 pass through
Holding wire is connected with the data acquisition equipment 4.
And it is further, in this utility model embodiment, the data acquisition equipment 4 is NI9205 data collecting cards.
Collection of the NI9205 data collecting cards to the signal of sensor transmissions is very accurate, it is possible to increase test it is accurate
Property, with preferable cost performance.Herein, changing data acquisition equipment 4 can also be other with above-mentioned NI9205 data collecting cards
Data collecting card with identical function.
And it is further, in this utility model embodiment, there is equipment 6 and become with the rotation by holding wire in the data
Depressor 11 connects.
Motor Measuring System in this utility model, due to the output that the rotary speed unstabilization timing acquiring of motor to be tested 1 is arrived
The waveform of voltage will be displayed in data processing equipment 5 with a kind of non-sinusoidal form, so that according to rotary transformer
11 rotation time variant voltage signal is treated the output voltage signal of testing of electric motors 1 and is processed, and obtains the output voltage of motor to be tested 1
Rule sinusoidal wave form.
First, after the rotation of the output voltage signal and rotary transformer 11 for getting motor to be tested 1 becomes output signal,
Data processing equipment 5 is respectively processed the oscillogram obtained corresponding to two kinds of signals to above two signal.To rotating transformation
The output voltage signal and rotary transformer 11 of the driving voltage signal and the motor to be tested 1 for collecting of the output of device 11
After rotation time variant voltage signal is arranged, three waveforms of Uab, Ubc, Uca can be obtained, wherein, Uab, Ubc, Uca are to be measured
The corresponding waveform of output voltage of examination motor 1.
The rotation of the output of rotary transformer 11 collected according to low pressure sensor 3 becomes that sine voltage signal is equivalent to get electricity
Rotating speed and the rotor location of rotary transformer 11 that machine at the uniform velocity rotates, further according to motor to be tested 1 rotating speed with treat
The relation that the output voltage of testing of electric motors 1 is directly proportional, obtain motor to be tested 1 output voltage with a small amount of odd harmonic
Sinusoidal wave form, gets the unloaded back emf coefficient of motor to be tested 1 according to the sinusoidal wave form of the output voltage of motor to be tested 1
With unloaded back-emf totality harmonic content.
In of the present utility model one concrete example, when the rotating speed of motor to be tested 1 is 197.35RPM, unloaded anti-electricity
Gesture coefficient Uab@1000RPM are 49.56V/RPM.Under the different rotating speeds of motor to be tested 1, unloaded back emf coefficient is differed.
It is total according to the unloaded back-emf that the sinusoidal wave form of the output voltage of motor to be tested 1 can obtain motor to be tested 1
Body harmonic content.In of the present utility model one concrete example, according to the sine wave of the output voltage of above-mentioned motor to be tested 1
What shape was obtained, unloaded back-emf totality harmonic content UabTHD is 4.85%.The unloaded back-emf totality harmonic wave of motor to be tested 1
Content is less, and the performance for representing motor to be tested 1 is better, thus in test, generally according to the anti-electricity of zero load of motor to be tested 1
The size of gesture totality harmonic content judges the quality of the motor produced.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from principle described in the utility model, some improvements and modifications can also be made, these improvement
Also protection domain of the present utility model is should be regarded as with retouching.
Claims (8)
1. a kind of Motor Measuring System, it is characterised in that include：
For the output voltage of motor to be tested (1) to be converted to the high pressure sensor (2) of low voltage signal；
Output voltage for the rotary transformer (11) by motor to be tested (1) is converted to the low pressure sensing of rotation time variant voltage signal
Device (3)；
Data acquisition equipment (4), is connected with the high pressure sensor (2) and the low pressure sensor (3), respectively for gathering
State the rotation time variant voltage signal of the low voltage signal and the low pressure sensor (3) of high pressure sensor (2)；
Data processing equipment (5), is connected with the data acquisition equipment (4), and described data processing equipment (5) are used for receiving described
Low voltage signal and the rotation time variant voltage signal, obtain described to be measured according to the low voltage signal and the rotation time variant voltage signal
The unloaded back emf coefficient of examination motor (1) and unloaded back-emf totality harmonic content.
2. Motor Measuring System according to claim 1, it is characterised in that the Motor Measuring System also includes：
There is equipment (6) in data, be connected with the rotary transformer (11), for the rotary transformer (11) output drive
Voltage signal.
3. Motor Measuring System according to claim 2, it is characterised in that the data occur equipment (6) and the number
According to collecting device (4) integrally connected.
4. Motor Measuring System according to claim 1, it is characterised in that described data acquisition equipment (4) are by wireless
Communication or data wire are connected with the data processing equipment (5).
5. Motor Measuring System according to claim 1, it is characterised in that high pressure sensor (2) and the low pressure
Sensor (3) is Hall type sensor or electromagnetic type sensor or resistance type sensor or capacitance type transducers.
6. Motor Measuring System according to claim 1, it is characterised in that high pressure sensor (2) and the low pressure
Sensor (3) is connected with the data acquisition equipment (4) by holding wire.
7. Motor Measuring System according to claim 1, it is characterised in that described data acquisition equipment (4) are NI9205
Data collecting card.
8. Motor Measuring System according to claim 2, it is characterised in that the data occur equipment (6) and pass through signal
Line is connected with the rotary transformer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090995.6U CN206038864U (en) | 2016-09-28 | 2016-09-28 | Motor test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090995.6U CN206038864U (en) | 2016-09-28 | 2016-09-28 | Motor test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038864U true CN206038864U (en) | 2017-03-22 |
Family
ID=58297144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090995.6U Active CN206038864U (en) | 2016-09-28 | 2016-09-28 | Motor test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738797A (en) * | 2019-01-16 | 2019-05-10 | 珠海市精实测控技术有限公司 | A kind of linear motor BL method based on big voltage model |
-
2016
- 2016-09-28 CN CN201621090995.6U patent/CN206038864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738797A (en) * | 2019-01-16 | 2019-05-10 | 珠海市精实测控技术有限公司 | A kind of linear motor BL method based on big voltage model |
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| GR01 | Patent grant |