CN117092503A - Method for testing motor vibration - Google Patents
Method for testing motor vibration Download PDFInfo
- Publication number
- CN117092503A CN117092503A CN202310936902.5A CN202310936902A CN117092503A CN 117092503 A CN117092503 A CN 117092503A CN 202310936902 A CN202310936902 A CN 202310936902A CN 117092503 A CN117092503 A CN 117092503A
- Authority
- CN
- China
- Prior art keywords
- motor
- vibration
- mounting seat
- testing
- vibration sensor
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 230000035945 sensitivity Effects 0.000 claims abstract description 4
- 238000010998 test method Methods 0.000 claims description 10
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method 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
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention relates to the technical field of vibration test, in particular to a method for testing motor vibration, which comprises the following steps: s1: the motor to be tested is arranged on a motor mounting seat, a clamp base is arranged below the motor mounting seat, and a coil spring is connected between the motor mounting seat and the coil spring; s2: arranging a vibration sensor group around the motor; s3: according to the environmental factors of the test site, calibrating the sensitivity of the vibration sensor; s4: and controlling the starting motor, collecting vibration signals of the motor through the vibration sensor group, sampling the collected vibration signals by the data collecting card to form sampling signals, and sending the vibration initial time domain data formed after sampling to the upper computer. According to the method for testing motor vibration, provided by the invention, the influence of the test fixture on the motor support rigidity and the motor quality can be reduced when the motor vibration is tested, so that the accuracy and the precision of the motor vibration test result are improved.
Description
Technical Field
The invention relates to the technical field of vibration testing, in particular to a method for testing motor vibration.
Background
At present, when a motor with smaller vibration is measured to vibrate, the motor is generally fixed on a test fixture, and then a vibration sensor is fixed on the motor to perform vibration measurement. The vibration test fixture can greatly influence the supporting rigidity of the motor and has the influence of quality, so that the accuracy and precision of the motor vibration test result are greatly influenced. The invention provides a new testing scheme for solving the problem.
Disclosure of Invention
The present invention is directed to a method for testing motor vibration, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a method of testing motor vibration comprising the steps of:
s1: the motor to be tested is arranged on a motor mounting seat, a clamp base is arranged below the motor mounting seat, and a coil spring is connected between the motor mounting seat and the coil spring;
s2: arranging a vibration sensor group around the motor;
s3: according to the environmental factors of the test site, calibrating the sensitivity of the vibration sensor;
s4: controlling a starting motor, collecting vibration signals of the motor through a vibration sensor group, sampling the collected vibration signals by a data collecting card to form sampling signals, and sending vibration initial time domain data formed after sampling to an upper computer;
s5: and a data processing system in the upper computer processes the vibration initial time domain data in the sampling signal, and performs weighting and integration according to different frequencies and directions to obtain vibration evaluation parameters.
Preferably, the motor mounting seat is provided with a positioning hole for a motor mounting hole, and the motor is mounted on the motor mounting seat through a bolt.
Preferably, the mass of the motor mounting seat is less than half of the mass of the motor to be tested.
Preferably, the mass of the clamp base is not less than ten times that of the motor mounting seat.
Preferably, 4 to 8 coil springs are provided.
Preferably, the diameter of the steel wire in the coil spring is less than one millimeter.
Preferably, a display control module is arranged on the clamp base.
Preferably, the vibration sensors are three, the first vibration sensor is fixedly arranged at the right center of the motor rear housing, the second vibration sensor is fixedly arranged at the upper end of the motor rear housing, and the third vibration sensor is arranged at the upper end of the coil spring outer housing.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for testing motor vibration, provided by the invention, the influence of the test fixture on the motor support rigidity and the motor quality can be reduced when the motor vibration is tested, so that the accuracy and the precision of the motor vibration test result are improved.
Drawings
Fig. 1 is a schematic view of an installation structure of the motor in the test of the invention.
In the figure: motor 1, motor mount pad 2, coil spring 3, anchor clamps base 4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a method of testing motor vibration, comprising: the method comprises the following steps:
s1: the motor 1 to be tested is arranged on a motor mounting seat 2, a clamp base 4 is arranged below the motor mounting seat 2, and a coil spring 3 is connected between the motor mounting seat 2 and the coil spring 3;
s2: arranging a vibration sensor group around the motor 1;
s3: according to the environmental factors of the test site, calibrating the sensitivity of the vibration sensor;
s4: controlling a starting motor 1, collecting vibration signals of the motor 1 through a vibration sensor group, sampling the collected vibration signals by a data collecting card to form sampling signals, and sending vibration initial time domain data formed after sampling to an upper computer;
s5: and a data processing system in the upper computer processes the vibration initial time domain data in the sampling signal, and performs weighting and integration according to different frequencies and directions to obtain vibration evaluation parameters.
Be provided with the locating hole with motor 1 installation hole site on the motor mount pad 2, motor 1 passes through the bolt to be installed on motor mount pad 2, and motor 1's installation and dismantlement of being convenient for, locating hole sets up the quantity more to the adaptation is used different motors and is applicable to the vibration test of other vibrations less objects equally.
The mass of the motor mounting seat 2 is less than half of the mass of the motor 1 to be tested, so that the influence of the motor mounting seat on the mass of the motor 1 in vibration testing is reduced.
The quality of the clamp base 4 is not less than ten times of that of the motor mounting seat 2, and the quality of the clamp base 4 is large, so that the whole structure of the device is stable, and the bottom cannot be affected by vibration.
The number of the spiral springs 3 is 4-8, generally 6, and the spiral springs can be appropriately increased or decreased.
The diameter of the wire in the coil spring 3 is less than one millimeter, so that the coil spring 3 has a small stiffness.
The fixture base 4 is provided with a display control module which can display detection data and output operation.
The vibration sensor is arranged in three, the first vibration sensor is fixedly arranged at the right center of the rear housing of the motor 1, the second vibration sensor is fixedly arranged at the upper end of the rear housing of the motor 1, the third vibration sensor is arranged at the upper end of the outer housing of the coil spring 3, and the vibration is detected by the multiple-position sensors more accurately.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method of testing motor vibration, comprising: the method comprises the following steps:
s1: the motor (1) to be tested is arranged on a motor mounting seat (2), a clamp base (4) is arranged below the motor mounting seat (2), and a coil spring (3) is connected between the motor mounting seat (2) and the coil spring (3);
s2: arranging a vibration sensor group around the motor (1);
s3: according to the environmental factors of the test site, calibrating the sensitivity of the vibration sensor;
s4: controlling a starting motor (1), collecting vibration signals of the motor (1) through a vibration sensor group, sampling the collected vibration signals by a data collecting card to form sampling signals, and sending the vibration initial time domain data formed after sampling to an upper computer;
s5: and a data processing system in the upper computer processes the vibration initial time domain data in the sampling signal, and performs weighting and integration according to different frequencies and directions to obtain vibration evaluation parameters.
2. A method of testing motor vibration according to claim 1, wherein: the motor mounting seat (2) is provided with a positioning hole for installing a hole site with the motor (1), and the motor (1) is installed on the motor mounting seat (2) through bolts.
3. A method of testing motor vibration according to claim 1, wherein: the mass of the motor mounting seat (2) is less than half of the mass of the motor (1) to be tested.
4. A method of testing motor vibration according to claim 1, wherein: the mass of the clamp base (4) is not less than ten times that of the motor mounting seat 2.
5. A method of testing motor vibration according to claim 1, wherein: the coil springs (3) are provided with 4-8 coils.
6. A method of testing motor vibration according to claim 1, wherein: the diameter of the steel wire in the spiral spring (3) is smaller than one millimeter.
7. A method of testing motor vibration according to claim 1, wherein: and a display control module is arranged on the clamp base (4).
8. A method of testing motor vibration according to claim 1, wherein: the vibration sensor is arranged in three, the first vibration sensor is fixedly arranged at the right center of the rear housing of the motor (1), the second vibration sensor is fixedly arranged at the upper end of the rear housing of the motor (1), and the third vibration sensor is arranged at the upper end of the outer housing of the spiral spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936902.5A CN117092503A (en) | 2023-07-28 | 2023-07-28 | Method for testing motor vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936902.5A CN117092503A (en) | 2023-07-28 | 2023-07-28 | Method for testing motor vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117092503A true CN117092503A (en) | 2023-11-21 |
Family
ID=88781277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310936902.5A Pending CN117092503A (en) | 2023-07-28 | 2023-07-28 | Method for testing motor vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117092503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433729A (en) * | 2023-12-15 | 2024-01-23 | 山东航天正和电子有限公司 | Resistor vibration testing equipment and method |
-
2023
- 2023-07-28 CN CN202310936902.5A patent/CN117092503A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433729A (en) * | 2023-12-15 | 2024-01-23 | 山东航天正和电子有限公司 | Resistor vibration testing equipment and method |
| CN117433729B (en) * | 2023-12-15 | 2024-03-26 | 山东航天正和电子有限公司 | Resistor vibration testing equipment and method |
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