CN2131101Y - Torque and rotary speed measurer for motor - Google Patents
Torque and rotary speed measurer for motor Download PDFInfo
- Publication number
- CN2131101Y CN2131101Y CN 92223335 CN92223335U CN2131101Y CN 2131101 Y CN2131101 Y CN 2131101Y CN 92223335 CN92223335 CN 92223335 CN 92223335 U CN92223335 U CN 92223335U CN 2131101 Y CN2131101 Y CN 2131101Y
- Authority
- CN
- China
- Prior art keywords
- motor
- torque
- rotary speed
- strainmeter
- rotational speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
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Abstract
The utility model relates to a torque and rotary speed measurer for a motor. A motor is installed in a pivot bearing connected with a deformeter. An output shaft of the motor is connected with a flywheel. When the motor is started, the dynamic torque is the load torque of the motor. Therefore, the deformeter and a photoelectric tacheometer can measure the real time electromagnetic torque and the rotary speed which are respectively output to a recorder in an electrical signal mode, and the torque and the rotary speed the motor can be obtained in real time. The accuracy of data measured by the measurer is high, so the measurer can proceed the online real-time measurement.
Description
The utility model relates to the torque rotary speed proving installation of motor, specifically the motor torque rotational speed detecting device of rotating machinery formula.
The method of measuring the dynamic torque rotating speed at present has angular acceleration method and phase difference method.The former records the angular acceleration of motor, tries to achieve actual torque rotary speed again by converting then, can not in time draw the torque rotary speed data of motor like this, and the calibration difficulty.The latter then loads motor, records its torque rotary speed then, and its time constant is big, and the data that draw will lag a period of time, and ripple is big, low precision.So these two kinds of methods all can not satisfy the needs of measuring in real time on the production line.
The purpose of this utility model is a kind of measurement mechanism that can measure torque rotary speed on production line in real time of design.
Torque when the purpose of this utility model is achieved in that and records motor and rotate with strainmeter records rotating speed of motor with the photoelectricity rotational speed meters; With two kinds of electric signal input registering instruments that strainmeter, photoelectricity rotational speed meters record, can draw the real-time torque rotary speed data of motor.Its concrete structure is that motor is fixed in the gantry pillars, can unroll bolster swing of gantry pillars.Gantry pillars links to each other with a strainmeter.When electric motor starting, the moment of reaction on the motor stator is delivered to and drives the gantry pillars revolution on the gantry pillars, even strainmeter produces distortion, and the output electric signal, its signal amplitude is directly proportional with dependent variable, that is is directly proportional with the electromagnetic torque of motor.Simultaneously, electric rotational speed meters records the rotating speed of motor rotation axis, the output electric signal, and its signal amplitude is directly proportional with rotating speed.Therefore can on registering instrument, obtain the torque rotary speed data of motor immediately.
Illustrate that accompanying drawing is as follows:
Fig. 1 is the system chart of the utility model motor torque speed proving installation.
Fig. 2 is the structural representation of the utility model motor torque speed proving installation.
The accompanying drawings principle of work and the course of work are as follows:
1 for treating measured motor among Fig. 1.When electric motor starting, the torque that produces during the rotor rotation reaches the motor stator attempt and makes the stator rotation, but the strainmeter (2) that is linked to each other with shell stops.Therefore make the strain gauge element in the strainmeter produce distortion, send electric signal, this electric signal, promptly the electromagnetic torque of motor amplifies in the back input registering instrument (4) through amplifier (3).Rotating speed of motor is recorded by photoelectricity rotational speed meters (5) simultaneously, is transformed in the electric signal input registering instrument (4), can in time draw the torque rotary speed data of motor like this on registering instrument.
Fig. 2 is the structural representation of the utility model motor torque speed proving installation.Treat that measured motor (1) is fixedly mounted in the gantry pillars (6), can unroll bolster swing of gantry pillars (6), strainmeter is installed in gantry pillars lower tangential position, and an end links to each other with gantry pillars, and the other end is fixed.When motor (1) started, the acceleration torque of rotor promptly was equivalent to the load torque of motor.This torque reaches on the gantry pillars (6) by motor housing again, makes the gantry pillars swing, but owing to gantry pillars (6) links to each other with strainmeter (7).So that foil gauge in the strainmeter produces distortion and output electric signal, this electric signal is directly proportional with dependent variable, promptly is directly proportional with the electromagnetic torque of motor.This electric signal is transported to registering instrument (4) after amplifier (3) amplifies, can draw the real-time electromagnetic torque numerical value of motor.In order to make the numerical value that starts steadily and increase acceleration torque, on motor output shaft, link to each other with flywheel (9) by shaft coupling (8).The rotating speed (also can record its rotating speed in other parts of motor output shaft) that photoelectricity rotational speed meters (10) records flywheel (9) is transformed into electric signal, and this electric signal is transported on the registering instrument (4), can obtain the real-time rotating speed of motor.
Adopt proving installation of the present utility model, can make things convenient for the real-time torque rotary speed data of measuring motor in real time, the measuring accuracy height.
Claims (1)
1, a kind of motor torque speed proving installation, it is characterized in that the electromagnetic torque when recording motor and rotate with strainmeter, record rotating speed of motor with the photoelectricity rotational speed meters, two kinds of measured electric signal are transported to registering instrument, can obtain the real-time torque rotary speed numerical value of motor, its concrete structure is that motor is fixedly mounted in the gantry pillars, the gantry pillars bottom links to each other with a strainmeter, motor output shaft links to each other with a flywheel, flywheel is relative with the photoelectricity rotational speed meters, and the signal output part of strainmeter and photoelectricity rotational speed meters joins by amplifier and registering instrument respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92223335 CN2131101Y (en) | 1992-06-04 | 1992-06-04 | Torque and rotary speed measurer for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92223335 CN2131101Y (en) | 1992-06-04 | 1992-06-04 | Torque and rotary speed measurer for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2131101Y true CN2131101Y (en) | 1993-04-28 |
Family
ID=33769188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92223335 Expired - Fee Related CN2131101Y (en) | 1992-06-04 | 1992-06-04 | Torque and rotary speed measurer for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2131101Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387954C (en) * | 2006-06-22 | 2008-05-14 | 慈兴集团有限公司 | Measuring for friction torque of bearing under micro-loading at different rotation rate and measuring apparatus therefor |
| CN101852662A (en) * | 2009-03-30 | 2010-10-06 | 昆山航天林泉电机有限公司 | Measuring system of low-speed and large-torque outer rotor motor |
| CN101629861B (en) * | 2008-07-14 | 2012-05-09 | 北京新宇航世纪科技有限公司 | Torque rotary speed sensor |
| CN102628717A (en) * | 2012-04-20 | 2012-08-08 | 北京必创科技有限公司 | Strain type wireless sensor |
| CN103384817A (en) * | 2010-10-08 | 2013-11-06 | 劳斯莱斯公司 | System and method for detecting fault conditions in a drivetrain using torque oscillation data |
| CN110375903A (en) * | 2019-07-17 | 2019-10-25 | 西湖大学 | A kind of underwater cleaning disk torque and device for testing rotating speed and measurement method |
-
1992
- 1992-06-04 CN CN 92223335 patent/CN2131101Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387954C (en) * | 2006-06-22 | 2008-05-14 | 慈兴集团有限公司 | Measuring for friction torque of bearing under micro-loading at different rotation rate and measuring apparatus therefor |
| CN101629861B (en) * | 2008-07-14 | 2012-05-09 | 北京新宇航世纪科技有限公司 | Torque rotary speed sensor |
| CN101852662A (en) * | 2009-03-30 | 2010-10-06 | 昆山航天林泉电机有限公司 | Measuring system of low-speed and large-torque outer rotor motor |
| CN101852662B (en) * | 2009-03-30 | 2013-05-01 | 昆山航天林泉电机有限公司 | Measuring system of low-speed and large-torque outer rotor motor |
| CN103384817A (en) * | 2010-10-08 | 2013-11-06 | 劳斯莱斯公司 | System and method for detecting fault conditions in a drivetrain using torque oscillation data |
| CN102628717A (en) * | 2012-04-20 | 2012-08-08 | 北京必创科技有限公司 | Strain type wireless sensor |
| CN110375903A (en) * | 2019-07-17 | 2019-10-25 | 西湖大学 | A kind of underwater cleaning disk torque and device for testing rotating speed and measurement method |
| CN110375903B (en) * | 2019-07-17 | 2021-05-11 | 西湖大学 | Underwater cleaning disc torque and rotating speed testing device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |