CN109405959A - Noise of motor test macro and method - Google Patents
Noise of motor test macro and method Download PDFInfo
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- CN109405959A CN109405959A CN201811207280.8A CN201811207280A CN109405959A CN 109405959 A CN109405959 A CN 109405959A CN 201811207280 A CN201811207280 A CN 201811207280A CN 109405959 A CN109405959 A CN 109405959A
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- controller
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 239000012814 acoustic material Substances 0.000 claims description 18
- 238000012797 qualification Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
This application involves a kind of noise of motor test macro and methods;The system comprises: noise transducer, for detecting noise figure when motor operation;Controller, for determining the noise testing result to the motor according to the noise figure;The enclosed housing that can be opened and closed, for accommodating the motor, noise transducer and controller.The application automatically carries out noise measuring using electronic equipment, reduces the labor intensity manually taken and lift motor;Using noise transducer come detection noise value, the precision of detection is improved, guarantees the reliability of quality, and avoids damaging the hearing of testing staff;Using the enclosed housing that can be opened and closed, motor is put into the interference that ambient noise can be effectively obstructed when cabinet detection, further increases the detection quality of motor noise.
Description
Technical field
This application involves noise detection technique fields, and in particular to a kind of noise of motor test macro and method.
Background technique
It needs to use motor during producing air-conditioning, these motors need to carry out noise measuring.Current test step
Suddenly be by electrical power, then artificial take lifts motor close to ear, and the size of noise is determined by the sense of hearing of people, then pass through through
Whether qualified test the noise judged in motor operation.
In the related technology, the movement large labor intensity for lifting motor is manually taken in detection process.According to statistics, on assembly line daily
The number of motors for needing to detect about 3700, testing staff will complete 3700 times and take the movement for lifting motor, and labor intensity is very big.
And this also has certain damage to the hearing of testing staff, while having very big uncontrollable hidden danger of quality by sense of hearing judgement.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides a kind of noise of motor test
System and method.
According to the embodiment of the present application in a first aspect, providing a kind of noise of motor test macro, comprising:
Noise transducer, for detecting noise figure when motor operation;
Controller, for determining the noise testing result to the motor according to the noise figure;
The enclosed housing that can be opened and closed, for accommodating the motor, noise transducer and controller.
Further, the system also includes:
The output device being electrically connected with the controller, the control signal for being issued according to the controller carry out work
Make.
Further, the output device includes at least one in following item: display screen, indicator light, alarm.
Further, the system also includes:
The telescoping mechanism being electrically connected with the controller, for driving the cabinet to carry out opening and closing movement.
Further, the system also includes:
The positioning fixture of the box house is set, and motor to be measured can be sticked in the positioning fixture.
Further, it is provided with power supply terminal on the positioning fixture, for powering to motor to be measured.
Further, the inside of the cabinet is filled using acoustic material.
Further, the cabinet includes upper cover and pedestal;Connected between the upper cover and the pedestal by hinge
It connects.
Further, acoustic material is provided on the inside of the inside of the upper cover and the pedestal;
The first cavity being recessed to bottom end is provided on acoustic material in the pedestal;Acoustic material in the upper cover
On be provided with to top be recessed the second cavity.
Further, first cavity is for placing motor to be measured;The noise transducer is mounted on described second
In cavity.
Further, the contact surface of the acoustic material in the pedestal and the acoustic material in the upper cover is set as mutual
The wave crest shape of occlusion.
According to the second aspect of the embodiment of the present application, a kind of noise of motor test method is provided, comprising:
Noise figure is obtained, the noise figure is that noise transducer obtains, and the noise transducer is for detecting motor fortune
Noise figure when row;
The noise testing result to the motor is determined according to the noise figure.
Further, the acquisition noise figure, comprising:
Judge whether to enter detection pattern;
After entering detection pattern, control electric motor starting operation, and control the noise transducer starting work;
Receive the noise figure that the noise transducer is sent.
It is further, described to judge whether to enter detection pattern, comprising:
Judge whether cabinet is closed;
When cabinet closure, into detection pattern.
It is further, described to judge whether cabinet is closed, comprising:
When receiving cabinet closure signal, judge that cabinet is closed;Or,
When detecting that the duration of cabinet execution closing motion reaches preset time threshold, judge that cabinet is closed.
Further, the noise testing result determined according to the noise figure to the motor, comprising:
Obtain preset value;
The noise figure be greater than preset value when determine test result be it is unqualified, be otherwise determined as qualification.
Further, the method also includes:
When test result is qualified, control instructions lamp starts work;
When test result is unqualified, control alarm starts work.
The technical solution that embodiments herein provides can include the following benefits:
Noise measuring is automatically carried out using electronic equipment, reduces the labor intensity manually taken and lift motor;It is passed using noise
Sensor carrys out detection noise value, improves the precision of detection, guarantees the reliability of quality, and avoids causing the hearing of testing staff
Damage;Using the enclosed housing that can be opened and closed, motor is put into the interference that ambient noise can be effectively obstructed when cabinet detection, into
The detection quality of one step raising motor noise.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of one of the structural schematic diagram of noise of motor test macro shown according to an exemplary embodiment.
Fig. 2 is a kind of second structural representation of noise of motor test macro shown according to an exemplary embodiment.
Fig. 3 is a kind of third structural representation of noise of motor test macro shown according to an exemplary embodiment.
Fig. 4 be a kind of noise of motor test macro shown according to an exemplary embodiment positioning fixture schematic diagram it
One.
Fig. 5 be a kind of noise of motor test macro shown according to an exemplary embodiment positioning fixture schematic diagram it
Two.
Fig. 6 is a kind of electrical block diagram of noise of motor test macro shown according to an exemplary embodiment.
Fig. 7 is a kind of flow chart of noise of motor test method shown according to an exemplary embodiment.
In figure: 1- test macro;2- waits for measured motor;3- assembly line;4- has tested motor;
101- upper cover;102- pedestal;103- sound-isolating sponge;104- sensor;105- cylinder;106- positioning fixture;1061-
Power supply terminal;107- alarm;108- qualification indicator light;109- control button.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
Fig. 1 is a kind of structural schematic diagram of noise of motor test macro shown according to an exemplary embodiment.The motor
Noise measuring system 1 includes:
Noise transducer 104, for detecting noise figure when motor operation;
Controller, for determining the noise testing result to the motor according to the noise figure;
The enclosed housing that can be opened and closed, for accommodating the motor, noise transducer 104 and controller.
The application automatically carries out noise measuring using electronic equipment, reduces the labor intensity manually taken and lift motor;Using
Noise transducer 104 carrys out detection noise value, improves the precision of detection, guarantees the reliability of quality, and avoids to testing staff
Hearing damage;Using the enclosed housing that can be opened and closed, motor can effectively obstruct the external world when being put into cabinet detection and make an uproar
The interference of sound further increases the detection quality of motor noise.
In some embodiments, the system also includes:
The output device being electrically connected with the controller, the control signal for being issued according to the controller carry out work
Make.
In order to make technical staff easily obtain test result, which can be by output device with picture and text, letter
The modes such as signal lamp, auditory tone cues show test result.
In some embodiments, the output device includes at least one in following item: display screen, indicator light, alarm
107。
For example, can be in tank surface (or other are convenient for the position checked of technical staff) setting display screen, it will test knot
Fruit is shown in the form of figure, text.The indicator light that several different colours can also be used, according to different test knots
Fruit lights the indicator light of different colours.Similarly, test result can also be shown using devices such as alarms 107.
As shown in Figures 2 and 3, in some embodiments, the inside of the cabinet is filled using acoustic material.Specifically
Ground, acoustic material can be sound-proof material, and thicker soundproof effect is better.Furthermore, it is possible to the sound-proof material of flame-retarding characteristic is selected, it can
Prevent fire.
In some embodiments, the cabinet includes upper cover 101 and pedestal 102;The upper cover 101 and 102 pedestal 102
Between be attached by hinge.
In some embodiments, the inside of the upper cover 101 and the inside of the pedestal 102 are provided with acoustic material;
The first cavity being recessed to bottom end is provided on acoustic material in the pedestal 102;In the upper cover 101 every
The second cavity being recessed to top is provided on sound material.
In some embodiments, first cavity is for placing motor to be measured;The noise transducer 104 is mounted on institute
It states in the second cavity.
In some embodiments, the contact surface of the acoustic material in the pedestal 102 and the acoustic material in the upper cover 101
It is set as engaged wave crest shape.The shape of sound-proof material is wave crest shape rather than smooth face is more conducive to the absorption of noise, helps
In the accuracy for improving measurement.
In some embodiments, the system also includes:
The telescoping mechanism being electrically connected with the controller, for driving the cabinet to carry out opening and closing movement.
In some embodiments, the system also includes:
The positioning fixture 106 of the box house is set, and motor to be measured can be sticked in the positioning fixture 106
In.The structure of positioning fixture 106 is as shown in Figure 4 and Figure 5.
In some embodiments, it is provided with power supply terminal 1061 on the positioning fixture 106, for supplying to motor to be measured
Electricity.
The cabinet of the application is used to be made of the good material of soundproof effect, and the upper cover 101 and pedestal 102 of cabinet are connected with hinge
It connects, to realize folding;Upper cover 101 and 102 two sides of pedestal control the opening of upper cover 101 with cylinder 105 respectively and close up.In cabinet
Sound-isolating sponge 103 is filled up in portion, and the center inside pedestal 102 is fixed with positioning fixture 106, the center (locating clip of 101 inside of upper cover
106 top of tool) fix a noise transducer 104.
As shown in Figure 4 and Figure 5, positioning fixture 106 is made according to shape, the size design of back end cover for motor, positioning
Recessed on fixture 106 is matched with slot back end cover for motor, so that motor can just be fastened in positioning fixture 106, plays motor
Place position-limiting action.One layer of Rubber shock-absorbing pad of installation is also needed in groove, is knocked when for avoiding motor self-operating with surrounding objects
The noise for touching and generating further increases the accuracy of detection.
Referring to figs. 2 and 3, there are two button switch (" up/down " button and "lower" buttons) for setting on cabinet.When motor is put
Enter to after positioning fixture 106, by the power supply terminal 1061 of motor power-supply wire insertion positioning fixture 106, then length is pinned simultaneously
Two switch buttons in " up/down " and "lower", controller control electromagnetic valve work, and the cylinder 105 at left and right sides of cabinet starts to die,
In this way cylinder 105 will corresponding actions, phenomenon be upper cover 101 slowly and lower cover be close together, it is peripheral to form isolation
The confined space of environmental noise.
Cabinet unclamps " up/down " and the switch button of "lower" two after fully coming together, and into detection pattern, motor starts to open
It is dynamic.While electric motor starting, the also start recording noise figure of noise transducer 104, and the noise figure that will test is sent to controller.
Controller judges whether the noise of motor operation is qualified.
Qualified indicator light can be bright if test passes, if test failure alarm 107 will call the police.After the completion of test,
" up/down " button is pressed, then the cylinder 105 at left and right sides of cabinet starts to ventilate, and upper cover 101 is opened.
In some embodiments, the internal circuit connection structure of the application test macro 1 is as shown in fig. 6, the circuit structure
It can be realized the above-mentioned course of work.
Fig. 7 is a kind of flow chart of noise of motor test method shown according to an exemplary embodiment.This method comprises:
Step S1: obtaining noise figure, and the noise figure is that noise transducer obtains, and the noise transducer is for detecting
Noise figure when motor operation;
Step S2: the noise testing result to the motor is determined according to the noise figure.
In some embodiments, the acquisition noise figure, comprising:
Judge whether to enter detection pattern;
After entering detection pattern, control electric motor starting operation, and control the noise transducer starting work;
Receive the noise figure that the noise transducer is sent.
It is described to judge whether to enter detection pattern in some embodiments, comprising:
Judge whether cabinet is closed;
When cabinet closure, into detection pattern.
It is described to judge whether cabinet is closed in some embodiments, comprising:
When receiving cabinet closure signal, judge that cabinet is closed;Or,
When detecting that the duration of cabinet execution closing motion reaches preset time threshold, judge that cabinet is closed.
For example, contact switch can be set in the edge that upper cover and pedestal are interlocked, and after cabinet closure, contact switch
It connects, controller can be sent a signal to, controller judges that cabinet is closed with this.
Alternatively, control panel judgement has been closed up after detection cylinder persistently pushes X seconds, driving relay work.In this way
The external power supply of 220V again by the relay acted, reaches motor driven by filter (filtering out the clutter in power supply)
Plate, at this moment under the control of driving plate, tested motor starts running.Wherein, " X seconds " are preset time threshold, Ke Yitong
Experiment test is crossed to determine.
In some embodiments, the noise testing result determined according to the noise figure to the motor, comprising:
Obtain preset value;
The noise figure be greater than preset value when determine test result be it is unqualified, be otherwise determined as qualification.
Motor when operating can generate certain sound, be transmitted to control panel after being acquired by sensor and handled, by controlling
Making sheet calculates specific decibel value, then is compared with the standard value set.
In some embodiments, the method also includes:
When test result is qualified, control instructions lamp starts work;
When test result is unqualified, control alarm starts work.
It is qualified to compare, and control panel drives qualified lamp bright.Then next motor is tested.Compare unqualified, control panel driving
Alarm equipment alarm.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (17)
1. a kind of noise of motor test macro characterized by comprising
Noise transducer, for detecting noise figure when motor operation;
Controller, for determining the noise testing result to the motor according to the noise figure;
The enclosed housing that can be opened and closed, for accommodating the motor, noise transducer and controller.
2. system according to claim 1, which is characterized in that further include:
The output device being electrically connected with the controller, the control signal for being issued according to the controller work.
3. system according to claim 2, which is characterized in that the output device includes at least one in following item:
Display screen, indicator light, alarm.
4. system according to claim 1, which is characterized in that further include:
The telescoping mechanism being electrically connected with the controller, for driving the cabinet to carry out opening and closing movement.
5. system according to claim 1, which is characterized in that further include:
The positioning fixture of the box house is set, and motor to be measured can be sticked in the positioning fixture.
6. system according to claim 5, it is characterised in that: power supply terminal is provided on the positioning fixture, for giving
Motor power supply to be measured.
7. system according to claim 1-6, which is characterized in that the inside of the cabinet using acoustic material into
Row filling.
8. system according to claim 7, it is characterised in that: the cabinet includes upper cover and pedestal;The upper cover and institute
It states and is attached between pedestal by hinge.
9. system according to claim 8, it is characterised in that: be respectively provided on the inside of the inside of the upper cover and the pedestal
There is acoustic material;
The first cavity being recessed to bottom end is provided on acoustic material in the pedestal;It is set on acoustic material in the upper cover
It is equipped with the second cavity being recessed to top.
10. system according to claim 9, it is characterised in that: first cavity is for placing motor to be measured;It is described
Noise transducer is mounted in second cavity.
11. system according to claim 9, which is characterized in that in the acoustic material and the upper cover in the pedestal
The contact surface of acoustic material is set as engaged wave crest shape.
12. a kind of noise of motor test method characterized by comprising
Noise figure is obtained, the noise figure is that noise transducer obtains, and the noise transducer is for when detecting motor operation
Noise figure;
The noise testing result to the motor is determined according to the noise figure.
13. according to the method for claim 12, which is characterized in that the acquisition noise figure, comprising:
Judge whether to enter detection pattern;
After entering detection pattern, control electric motor starting operation, and control the noise transducer starting work;
Receive the noise figure that the noise transducer is sent.
14. according to the method for claim 13, which is characterized in that described to judge whether to enter detection pattern, comprising:
Judge whether cabinet is closed;
When cabinet closure, into detection pattern.
15. according to the method for claim 14, which is characterized in that described to judge whether cabinet is closed, comprising:
When receiving cabinet closure signal, judge that cabinet is closed;Or,
When detecting that the duration of cabinet execution closing motion reaches preset time threshold, judge that cabinet is closed.
16. the described in any item methods of 2-15 according to claim 1, which is characterized in that described according to determining pair of the noise figure
The noise testing result of the motor, comprising:
Obtain preset value;
The noise figure be greater than preset value when determine test result be it is unqualified, be otherwise determined as qualification.
17. according to the method for claim 16, which is characterized in that further include:
When test result is qualified, control instructions lamp starts work;
When test result is unqualified, control alarm starts work.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110907181A (en) * | 2019-11-29 | 2020-03-24 | 阜南县特立电子有限公司 | Automatic test system for production of vibration motor |
CN111780851A (en) * | 2020-07-07 | 2020-10-16 | 东风博泽汽车***有限公司 | Noise monitoring device and method for miniature speed reduction motor |
CN117268527A (en) * | 2023-09-11 | 2023-12-22 | 安徽融讯智能科技有限公司 | Motor fault diagnosis method and system |
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