CN206920570U - A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback - Google Patents
A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback Download PDFInfo
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- CN206920570U CN206920570U CN201720839195.8U CN201720839195U CN206920570U CN 206920570 U CN206920570 U CN 206920570U CN 201720839195 U CN201720839195 U CN 201720839195U CN 206920570 U CN206920570 U CN 206920570U
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 7
- 241001484259 Lacuna Species 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback, it is characterized in that it includes a tester for being used to measure lonely pole feedback signal（19）, an external load and a bottom plate（18）, bottom plate（18）On motor riser is installed（1）, riser（5）, thick riser（9）And back plate（11）, motor riser（1）On a ultrasound electric machine clamping device is installed（2）, ultrasound electric machine（3）It is clamped in ultrasound electric machine clamping device（2）On, tester（19）Pass through signal detection line and ultrasound electric machine（3）Signal output part be connected.Change load, the starting characteristic of test ultrasound electric machine under different loads by way of changing external fixed pulley and suspending counterweight in midair.The starting point that the utility model is tested by the use of lonely pole feedback signal as starting characteristic, test result is more accurate compared to mean speed 5% is defined as into starting point, more can truly reflect that ultrasound electric machine starts the response time.
Description
Technical field
The present invention relates to a kind of electric motor starting characteristic test technology, especially a kind of ultrasound electric machine starts response characteristic test
Technology, specifically a kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback.
Background technology
Ultrasound electric machine is a kind of small and special electric machine of novel concept, is the inverse piezoelectric effect using piezoelectric, excitation ultrasound
The vibration of frequency, and rotation is produced by the rubbing action between stator and rotor（Straight line）Motion, power output, driving load.It is super
Acoustic-electric machine has the advantages that compact-sized, low speed high torque, fast response time, can directly drive load, without electromagnetic interference, micro-
The fields such as humanoid robot, automobile, Aero-Space, precision positioning instrument, optical instrument, endoscope and weaponry have wide answer
Use prospect.
According to the characteristics of rotary traveling wave type ultrasound electric machine, it is known that it is highly suitable for various SERVO CONTROL occasions.But at present
The research for influenceing servo-controlled rotary traveling wave type ultrasound electric machine starting characteristic is relatively lagged behind, in the starting stage.At present, it is right
Electric motor starting is mainly reached the 5% of mean speed as starting starting point, general by the test of the startup response time of ultrasound electric machine
Reach mean speed 90% is used as terminating point, although it is generally acknowledged that ultrasound electric machine be Millisecond response, be energized to motor and reach
This of 5% to mean speed is ignored by artificial for a period of time, and the research that conventional analysis and research lack to this period is surveyed
Examination.And loading condition, such test model and ultrasonic electric were not accounted for the Study on Startup of ultrasound electric machine in the past
Machine practical application has certain discrepancy.
To produce A, B two-phase standing wave and meeting its space quadrature pi/2, piezoelectricity annular ceramic component is generally pressed into Fig. 3 side
Formula is polarized and configured, i.e., the region of λ/4 and 3 λ/4 is left among A, B two-phase polarized area, wherein often forward direction polarization
The region of λ/4 is used for providing feedback signal, referred to as lonely pole.
Therefore inventor considers importance of the starting characteristic for ultrasound electric machine performance, the lonely extremely come real of ultrasound electric machine is utilized
The feedback now obtained to electric signal, by way of changing counterweight weight, test the starting characteristic of ultrasound electric machine under different loads
And the test device built.
The content of the invention
The purpose of the present invention is can not to accurately reflect asking for motor characteristic for existing ultrasound electric machine starting characteristic mode
Topic, a kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback of invention.
The technical scheme is that：
A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback, it is used to measure orphan it is characterized in that it includes one
Tester 19, an external load and a bottom plate 18 for pole feedback signal, motor riser 1, riser 5, thick is installed on bottom plate 18
Riser 9 and back plate 11, a ultrasound electric machine clamping device 2 is installed on motor riser 1, ultrasound electric machine 3 is clamped in ultrasound electric machine
On clamping device 2, tester 19 is connected by signal detection line with the signal output part of ultrasound electric machine 3；Ultrasound electric machine 3 it is defeated
Shaft by gap engagement sleeves in one end of the first rigid sleeve 4, the other end of the first rigid sleeve 4 by gap coordinate with
Power transmission shaft 8 is connected, and power transmission shaft 8 passes through riser 5, and the interporal lacuna of riser 5 is combined with bearing 6, and the inner ring of bearing 6 is by power transmission shaft 8
The shaft shoulder is fixed, and load disk 7 is fixed on power transmission shaft 8 by set screw, and hole is drilled with thick riser 9, and power transmission shaft 8 erects through thick
Plate 9, the gap of deep groove ball bearing 10 are matched with the hole of thick riser 9, and the inner ring of deep groove ball bearing 10 is also consolidated by the shaft shoulder of power transmission shaft 8
Fixed, another splaying of power transmission shaft 8 is matched with a side opening of the second rigid sleeve 13, the other end and light of the second rigid sleeve 13
The input shaft of photoelectric coder 12 is connected, and photoelectric encoder 12 is clamped in back plate 11 by screw, and the feedback of photoelectric encoder 12 is super
The rotating speed of acoustic-electric machine；External load is made up of external base 14, support 15, pulley spindle 16 and fixed pulley 17, and support 15 leans outward
An oblique angle, prevent counterweight 20 from being collided with experiment porch and influenceing the accuracy of experimental data, external base 14 passes through bottom plate
18 light groove is fastened with bolt, and support 15 is bolted on external base 14, and deep groove ball bearing passes through pulley spindle 16
The shaft shoulder and coordinating with the interporal lacuna of support is fixed, and fixed pulley 17 is fixed on pulley spindle 16 by key, load the groove of disk 7 around
There is cord, cord is external on the groove of fixed pulley 17 again, and counterweight 20 is tie wrapped to cord around on one end of fixed pulley 17, passes through
The size for changing counterweight changes the size of load with this.
Described motor riser 1, riser 5, thick riser 9 and back plate 11 is fastened by bolts in the chute of bottom plate 18.
The capture card of collection piezoelectric ceramics orphan pole signal is installed in described tester 19.
Beneficial effects of the present invention：
1）The starting point tested by the use of lonely pole feedback signal as starting characteristic, test result is compared to by mean speed 5%
It is more accurate to be defined as starting point, more can truly reflect that ultrasound electric machine starts the response time；2）By external fixed pulley around
The method for connecing counterweight, can be with the light size for simply changing load.
Brief description of the drawings
Fig. 1 is the axle geodesic structure schematic diagram of the test platform of the present invention.
Fig. 2 is the test platform overlooking the structure diagram of the present invention.
Fig. 3 is the polarization subregion schematic diagram of the piezoelectric ceramics of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one.
As Figure 1-3.
A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback, it includes one and is used to measure lonely pole feedback letter
Number tester 19, an external load and a bottom plate 18, tester 19 is conventional telecommunications tester, can designed, designed or
Directly purchased from market, in general, the capture card that collection piezoelectric ceramics orphan pole signal is provided with tester 19 can be real
The lonely pole signal capture of the existing present invention, and the initial time that will be detected at the time of capturing lonely pole signal as the response time.Bottom
Motor riser 1, riser 5, thick riser 9 and back plate 11 are installed, motor riser 1, riser 5, thick riser 9 and back plate 11 are equal on plate 18
It can be fastened by bolts in the chute of bottom plate 18.One ultrasound electric machine clamping device 2, ultrasonic electric are installed on motor riser 1
Machine 3 is clamped on ultrasound electric machine clamping device 2, and tester 19 passes through signal detection line and the signal output part of ultrasound electric machine 3
It is connected；The output shaft of ultrasound electric machine 3 by gap engagement sleeves in one end of the first rigid sleeve 4, the first rigid sleeve 4 it is another
One end coordinates by gap and is connected with power transmission shaft 8, and power transmission shaft 8 passes through riser 5, and the interporal lacuna of riser 5 is combined with bearing 6, bearing 6
Inner ring fixed by the shaft shoulder of power transmission shaft 8, load disk 7 be fixed on by set screw on power transmission shaft 8, be drilled with thick riser 9
Hole, power transmission shaft 8 pass through thick riser 9, and the gap of deep groove ball bearing 10 is matched with the hole of thick riser 9, the inner ring of deep groove ball bearing 10
Also fixed by the shaft shoulder of power transmission shaft 8, another splaying of power transmission shaft 8 is matched with a side opening of the second rigid sleeve 13, and second is firm
The other end of property sleeve 13 is connected with the input shaft of photoelectric encoder 12, and photoelectric encoder 12 is clamped in back plate 11 by screw
On, photoelectric encoder 12 feeds back the rotating speed of ultrasound electric machine；External load is by external base 14, support 15, pulley spindle 16 and slides calmly
The composition of wheel 17,15 outward-dipping angles of support, prevents counterweight 20 from being collided with experiment porch and influenceing the accurate of experimental data
Property, external base 14 are fastened by the light groove of bottom plate 18 with bolt, and support 15 is bolted on external base 14, zanjon
Ball bearing coordinates fixation by the shaft shoulder of pulley spindle 16 and with the interporal lacuna of support, and fixed pulley 17 is fixed on pulley spindle 16 by key
On, the groove of load disk 7 is wound with cord, and cord is external on the groove of fixed pulley 17 again, and counterweight 20 is tie wrapped to cord and bypassed
On one end of fixed pulley 17, change the size of load by changing the size of counterweight with this.
Application method of the present utility model comprises the following steps：
First, measurement ultrasonic electric is used as at the time of detecting the lonely pole feedback signal of ultrasound electric machine first by the use of tester
The initial time of the startup time of machine；Such as Fig. 3
Secondly, the real-time rotating speed of ultrasound electric machine is measured using encoder, is made at the time of taking reach motor stabilizing speed 90%
For the startup finish time of motor；
3rd, the initial time that ultrasound electric machine starts to ultrasound electric machine is started into this period of finish time as ultrasound
Motor starting time；
4th, the counterweight repeat step one to three of the different weight of suspention is changed, measures ultrasound electric machine in the case where not loading
Start the time as shown in Figure 1, 2.
The piezoelectric ceramic piece of ultrasound electric machine produces vibration by inverse piezoelectric effect, and the lonely pole of ultrasound electric machine piezoelectric ceramics is by pressing
Electrical effect produces electric signal, will using the starting point for starting response detection at the time of detecting lonely pole electric signal as ultrasound electric machine
Motor output reaches mean speed 90% as the terminating point for starting response, is responded this period as the startup of ultrasound electric machine
Time.The load disk that is fastened on power transmission shaft and by external fixed pulley, the counterweight for suspending different weight in midair can be more
Easily realize the research of the ultrasound electric machine startup response characteristic in the case of different loads.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (3)
1. a kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback, it is used to measure lonely pole it is characterized in that it includes one
The tester of feedback signal（19）, an external load and a bottom plate（18）, bottom plate（18）On motor riser is installed（1）, it is perpendicular
Plate（5）, thick riser（9）And back plate（11）, motor riser（1）On a ultrasound electric machine clamping device is installed（2）, ultrasound electric machine
（3）It is clamped in ultrasound electric machine clamping device（2）On, tester（19）Pass through signal detection line and ultrasound electric machine（3）Signal
Output end is connected；Ultrasound electric machine（3）Output shaft by gap engagement sleeves in the first rigid sleeve（4）One end in, first is firm
Property sleeve（4）The other end by gap coordinate and power transmission shaft（8）It is connected, power transmission shaft（8）Through riser（5）, riser（5）Hole
Gap is combined with bearing（6）, bearing（6）Inner ring fixed by the shaft shoulder of power transmission shaft 8, load disk（7）Consolidated by set screw
It is scheduled on power transmission shaft（8）On, thick riser（9）On be drilled with hole, power transmission shaft（8）Through thick riser（9）, deep groove ball bearing（10）Match somebody with somebody in gap
Together in thick riser（9）Hole in, deep groove ball bearing（10）Inner ring also by power transmission shaft（8）The shaft shoulder fix, power transmission shaft（8）It is another
One splaying is matched with the second rigid sleeve（13）A side opening, the second rigid sleeve（13）The other end and photoelectric encoder
（12）Input shaft be connected, photoelectric encoder（12）Back plate is clamped in by screw（11）On, photoelectric encoder（12）Feedback is super
The rotating speed of acoustic-electric machine；External load is by external base（14）, support（15）, pulley spindle（16）And fixed pulley（17）Composition, support
（15）An outward-dipping angle, prevents counterweight（20）Collided with experiment porch and influence the accuracy of experimental data, external bottom
Seat（14）Pass through bottom plate（18）Light groove fastened with bolt, support（15）It is bolted on external base（14）On, zanjon
Ball bearing passes through pulley spindle（16）The shaft shoulder and coordinating with the interporal lacuna of support fix, fixed pulley（17）Pulley is fixed on by key
Axle（16）On, load disk（7）Groove be wound with cord, cord is external to fixed pulley again（17）Groove on, counterweight（20）System
It is wound on cord and bypasses fixed pulley（17）One end on, change the size of load by changing the size of counterweight with this.
2. the ultrasound electric machine starting characteristic test device according to claim 1 based on lonely pole feedback, it is characterized in that described
Motor riser（1）, riser（5）, thick riser（9）And back plate（11）It is fastened by bolts in bottom plate（18）Chute in.
3. the ultrasound electric machine starting characteristic test device according to claim 1 based on lonely pole feedback, it is characterized in that described
Tester（19）In the capture card of collection piezoelectric ceramics orphan pole signal is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720839195.8U CN206920570U (en) | 2017-07-12 | 2017-07-12 | A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720839195.8U CN206920570U (en) | 2017-07-12 | 2017-07-12 | A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback |
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| CN206920570U true CN206920570U (en) | 2018-01-23 |
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|---|---|---|---|
| CN201720839195.8U Expired - Fee Related CN206920570U (en) | 2017-07-12 | 2017-07-12 | A kind of ultrasound electric machine starting characteristic test device based on lonely pole feedback |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469587A (en) * | 2018-04-02 | 2018-08-31 | 河北科技大学 | A kind of method of prefabricated supersonic motor stator potsherd cracking |
| CN111198324A (en) * | 2020-01-08 | 2020-05-26 | 深圳远致富海智能产业有限公司 | Synchronous motor test method, device, test equipment and test system |
-
2017
- 2017-07-12 CN CN201720839195.8U patent/CN206920570U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469587A (en) * | 2018-04-02 | 2018-08-31 | 河北科技大学 | A kind of method of prefabricated supersonic motor stator potsherd cracking |
| CN108469587B (en) * | 2018-04-02 | 2020-09-18 | 河北科技大学 | Method for cracking of prefabricated ultrasonic motor stator ceramic chip |
| CN111198324A (en) * | 2020-01-08 | 2020-05-26 | 深圳远致富海智能产业有限公司 | Synchronous motor test method, device, test equipment and test system |
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| CF01 | Termination of patent right due to non-payment of annual fee |