CN214893673U - Portable motor state sound wave detection device - Google Patents
Portable motor state sound wave detection device Download PDFInfo
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- CN214893673U CN214893673U CN202121765655.XU CN202121765655U CN214893673U CN 214893673 U CN214893673 U CN 214893673U CN 202121765655 U CN202121765655 U CN 202121765655U CN 214893673 U CN214893673 U CN 214893673U
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Abstract
The utility model relates to a motor detection tool, in particular to a portable motor state sound wave detection device, which comprises a shell, wherein at least one medium block is arranged on the shell, a sound sensor module, a wave detection unit and an alarm mechanism are arranged in the shell, the medium block is close to the signal input end of the sound sensor module, the sound sensor module is used for collecting real-time sound wave data generated by the motor operation, the data acquisition end of the wave detection unit is connected with the signal output end of the sound sensor module, the wave detection unit is used for comparing the frequency of the real-time sound wave with a pre-stored frequency threshold value to generate a signal for triggering the alarm mechanism, and the signal is used for replacing an artificial stethoscope to collect sound, thereby avoiding the hearing of a tester from being damaged by the motor auscultation detection, and simultaneously, the judgment result is not influenced by the noise environment and the experience of the tester, the judgment result is more accurate.
Description
Technical Field
The utility model relates to a motor detects the instrument, in particular to portable motor state sound wave detection device.
Background
In the running process of the motor, the running state of the motor needs to be judged by a detection means, and the abnormal running condition of the motor is discovered in time, an infrared imager, an ultrasonic detector, a vibrator and the like are usually adopted to detect the motor in a datamation manner, so that the equipment is expensive and cannot be flexibly used, the time for discovering the motor fault is easily delayed, and the normal service life of the motor is influenced.
In the actual use process of the motor, if the motor breaks down, abnormal sound can be generated, the sound generated during the operation of the motor is an important parameter for judging the operation state of the motor, and experienced field personnel can preliminarily judge the abnormal condition of the motor through the operation sound of the motor.
At present, experienced testers generally utilize the stethoscope to carry out experience detection to motor operation sound, but, the sound that the motor operation produced can cause great injury to tester's hearing behind the stethoscope, and the noise environment of motor user state can further disturb tester's judgement result, and the judgement result is relevant with tester's subjective consciousness, leads to the judgement result rate of accuracy not high, the condition of misjudgement still appears easily.
Therefore, there is a need for a technical solution to solve the problems that the existing motor data detection device is expensive, the sound generated by the operation of the motor is collected and detected by the stethoscope, which is likely to damage the hearing of the tester, and misjudgment is likely to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the portable motor state sound wave detection device is high in price, sounds generated by the operation of a motor are collected and detected through a stethoscope, the hearing of a tester is easily damaged, and misjudgment is easily caused.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a portable motor state sound wave detection device, includes the casing, be provided with at least one medium piece on the casing, be provided with sound sensor module, detection unit and alarm mechanism in the casing, the medium piece with the signal input part of sound sensor module is pressed close to, sound sensor module is used for gathering the real-time sound wave data that the motor operation produced, detection unit's data acquisition end with the signal output part of sound sensor module is connected, detection unit is used for making the contrast with the frequency of real-time sound wave and the frequency threshold value of prestoring, produces and triggers alarm mechanism's signal.
The utility model discloses a portable motor state sound wave detection device, the sound conversion who gathers the motor operation through the sound sensor module is the real-time sound wave data of signal of telecommunication, it carries out sound collection to replace artifical stethoscope, avoid the motor auscultation to detect the hearing to the tester and cause the injury, and simultaneously, with real-time sound wave data transmission to detection unit, contrast with the frequency threshold value of preset storage by detection unit with the frequency of real-time sound wave data, judge the fault condition of motor through the difference in frequency, trigger the warning, the judgement result does not receive the influence of noise environment and tester experience, the judgement result is more accurate.
As the utility model discloses a preferred scheme, the embedding sets up the display screen on the casing, the display screen with the detection unit is connected, is used for showing detection unit received real-time sound wave data.
As the utility model discloses a preferred scheme, the detection unit includes treater and storage module, storage module has the acoustic wave frequency threshold value under the acoustic wave frequency threshold value or the typical fault condition of motor under the motor normal operating condition in advance, the treater with alarm mechanism signal connection. When the real-time sound wave frequency is different from the sound wave frequency threshold value in the normal running state of the motor, the motor fault is judged and the alarm is triggered, or when the real-time sound wave frequency is the same as the sound wave frequency threshold value in the typical fault state of the motor, the motor fault is judged and the alarm is triggered, so that the corresponding fault reason judgment of the motor is realized.
As the preferred scheme of the utility model, alarm mechanism is including setting up pilot lamp and/or bee calling organ on the casing.
As the preferred scheme of the utility model, be provided with adsorption apparatus on the medium piece, adsorption apparatus be used for with the medium piece adhesion is on the motor.
As the preferred scheme of the utility model, the dielectric block is an iron rod or a hollow copper rod.
As the preferred scheme of the utility model, adsorption device is magnet, magnet encircles the setting and is in on the medium piece.
As the utility model discloses an optimal scheme, be provided with on the casing with the spacing hole of dielectric block adaptation, the dielectric block can be followed spacing hole removes. The relative position between the end face of the medium block and the shell can be adjusted according to actual conditions, and sound collection of different parts of the motor is facilitated.
As the utility model discloses an optimal scheme, the medium piece is located one side in the casing is connected with flexible connection spare, spacing hole corresponds be provided with the spliced pole in the casing, flexible connection spare with the spliced pole is connected. Further facilitating adjustment of the relative position between the dielectric block and the housing.
As the utility model discloses a preferred scheme, the medium piece is by the inside loudspeaker form of gradually crescent of casing outwards, the medium piece is kept away from the terminal surface of casing sets up to the cambered surface.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the sound sensor module is used for collecting real-time sound wave data converted from the sound generated by the operation of the motor into an electric signal, and the sound sensor module replaces an artificial stethoscope to collect sound, so that the hearing of a tester is prevented from being damaged by auscultation detection of the motor;
2. the real-time sound wave data are transmitted to the detection unit, the frequency of the real-time sound wave data is compared with a preset stored frequency threshold value by the detection unit, the fault condition of the motor is judged through the difference of the frequency difference, an alarm is triggered, the judgment result is not influenced by the noise environment and the experience of a tester, and the judgment result is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of the portable motor state sound wave detection device of the present invention.
Fig. 2 is an internal schematic diagram of the portable motor state sound wave detection device of the present invention.
Icon: the device comprises a shell, a 2-sound sensor module, a 3-detection unit, a 31-processor, a 32-storage module, a 4-alarm mechanism, a 41-indicator light, a 42-buzzer, a 5-PCB, a 6-display screen, a 7-power supply module, an 8-medium block, a 9-adsorption mechanism and a 10-flexible connecting piece.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-2, a portable motor state sound wave detection device, including casing 1, be provided with sound sensor module 2 in the casing 1, detection unit 3 and alarm mechanism 4, sound sensor module 2, detection unit 3 and alarm mechanism 4 are integrated to be set up on PCB 5, walk the line intercommunication through the inside electronic circuit of PCB 5, wherein, sound sensor module 2 is used for gathering motor vibration and produces sound, and convert real-time acoustic data into, detection unit 3 includes treater 31 and storage module 32, treater 31 includes conventional filter circuit and comparison circuit, storage module 32 prestores the normal sound wave frequency threshold under the motor normal operating condition or the unusual sound wave frequency threshold under the typical fault condition of motor, comparison circuit is connected with alarm mechanism 4.
The utility model provides a portable motor state sound wave detection device of this embodiment, adopt the integrated sound collection of conventional function electron device, the contrast, report to the police electronic circuit board as an organic whole and set up in casing 1, in operation, gather motor vibration through sound sensor module 2 and produce sound, convert real-time sound wave data into, real-time sound wave data is filtered by filter circuit, the processing of making an uproar falls, obtain the frequency value that the real-time operation of motor produced, compare this frequency value with the frequency threshold value of prestoring through the comparison circuit, learn the motor trouble through judging whether the frequency is different, during the trouble, direct trigger alarm mechanism 4 works, the production is reported to the police.
Specifically, when the storage module 32 presets and stores a normal sound wave frequency threshold value in the normal operation state of the motor, when the sound wave frequency value acquired in real time is consistent with the comparison result, the motor is judged to work normally, and when the sound wave frequency value acquired in real time is inconsistent with the comparison result, the motor is judged to have a fault, an alarm is triggered, and the judgment result is accurate and is not influenced by experience of a tester.
Specifically, when the storage module 32 presets and stores an abnormal sound wave frequency threshold value in a certain typical fault state of the motor, when the sound wave frequency value acquired in real time is consistent with the comparison result, the motor is judged to have a corresponding fault, an alarm is triggered, and when the sound wave frequency value is inconsistent with the sound wave frequency value, the motor is judged to normally work.
Specifically, the acoustic frequency threshold in the normal operation state of the motor or the abnormal acoustic frequency threshold in the typical fault state of the motor is obtained by pre-detecting the LMS portable data acquisition box, and the acoustic frequency thresholds corresponding to different types of motors are different, so that the frequency threshold can be set for the detection unit after pre-detecting according to actual conditions.
Specifically, the sound sensor module 2 is selected as an STM32 ADC multichannel sampling sound sensor module, and the processor is selected as an electronic circuit module based on the conventional sound wave filtering and comparison of the singlechip C8051F 330. The filter circuit and the comparison circuit are functional modules formed by conventional electronic devices.
Specifically, the alarm mechanism 4 is an indicator lamp 41 which penetrates through the housing 1 and displays on the housing 1, and a buzzer 42 which can give out alarm sound, so that the worker is reminded of the detection result in an audible and visual alarm manner.
Specifically, a battery jar is arranged on the shell 1, the battery jar is electrically connected with the PCB 5 through a plug wire, and a battery can be arranged in the battery jar, so that the PCB 5 is powered through the battery, and the normal use function of each electronic device is ensured.
Example 2
As shown in fig. 1-2, the portable motor state acoustic wave detection device of the present embodiment has the same structure as that of embodiment 1, except that: still include display screen 6, display screen 6 with sound sensor module 2 is connected, display screen 6 with detection unit 3 is connected, is used for showing real-time sound wave data that detection unit 3 received.
The portable motor state sound wave detection device of this embodiment sets up display screen 6 in the embedding on casing 1 for show the oscillogram of the real-time sound wave data that detection unit 3 received also can be adjusted for the judged result that is used for showing detection unit according to actual conditions, makes things convenient for the staff to carry out corresponding maintenance processing to the motor according to the judged result that shows.
Example 3
As shown in fig. 1-2, the portable motor state acoustic wave detection device of the present embodiment has the same structure as that of embodiment 1, except that: be provided with one or two medium piece 8 on casing 1, medium piece 8 can laminate on the motor surface, and conduction motor operation sound is to the signal input part of sound sensor module 2 to reduce the interference of external environment sound to the sound sensor module 2 acquisition result, make the real-time acoustic data that treater 31 filtering obtained more accurate.
Specifically, this embodiment is preferred to set up iron rod or hollow bar copper as dielectric block 8 at the embedding of casing 1 top, and in dielectric block 8 part stretched into casing 1, for being the loudspeaker form that gradually enlarges from inside to outside, and the terminal surface of keeping away from the casing was the cambered surface, made a side area of 8 laminating motors of dielectric block wider, inseparabler, the sound of collection motor operation that can be better.
Preferably, be provided with magnet on the dielectric block 8 as adsorption apparatus 9, make dielectric block 8 can adsorb on the motor surface, conveniently gather sound.
Preferably, the rope is connected as flexible connectors to the one end that medium piece 8 is close to casing 1, the one end that medium piece 8 was kept away from to the rope is located casing 1, and connect to casing 1 in be close to on the spliced pole of 2 entrys of sound sensor module, set up the spacing hole that medium piece 8 can pass the taking out on casing 1, make to form the flexonics structure between medium piece 8 and the casing 1, medium piece 8 can shift out certain distance from spacing hole, can adjust the relative position between medium piece 8 and the casing 1 according to actual conditions, make medium piece 8 can adsorb the different positions to the motor, the convenient operation sound conduction with the different positions of motor is to sound sensor module 2, make things convenient for sound sensor module 2 to gather the sound of the different positions of motor.
Specifically, the rope is a steel wire rope.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a portable motor state sound wave detection device, its characterized in that, includes casing (1), be provided with at least one medium piece (8) on casing (1), be provided with sound sensor module (2), detection unit (3) and alarm mechanism (4) in casing (1), medium piece (8) with the signal input part of sound sensor module (2) is pressed close to, sound sensor module (2) are used for gathering the real-time sound wave data that the motor operation produced, the data acquisition end of detection unit (3) with the signal output part of sound sensor module (2) is connected, detection unit (3) are used for making the contrast with real-time sound wave frequency and the frequency threshold value of prestore, produce and trigger the signal of alarm mechanism (4).
2. The portable motor state acoustic wave detection device according to claim 1, wherein a display screen (6) is embedded in the housing (1), and the display screen (6) is connected to the detection unit (3) for displaying real-time acoustic wave data received by the detection unit (3).
3. A portable motor state acoustic wave detection device according to claim 2, wherein the detection unit (3) comprises a processor (31) and a storage module (32), the storage module (32) is pre-stored with acoustic wave frequency thresholds in a normal motor operation state or acoustic wave frequency thresholds in a typical motor failure state, and the processor (31) is in signal connection with the alarm mechanism (4).
4. A portable electric motor state acoustic wave detection apparatus according to claim 3, characterized in that the alarm mechanism (4) comprises an indicator lamp (41) and/or a buzzer (42) provided on the housing (1).
5. A portable motor state acoustic wave detection device according to any one of claims 1-4, characterized in that an adsorption mechanism (9) is arranged on the dielectric block (8), said adsorption mechanism (9) being used to adhere the dielectric block (8) to the motor.
6. The portable motor state acoustic wave detection device according to claim 1, wherein the dielectric block (8) is an iron rod or a hollow copper rod.
7. A portable electric machine state acoustic wave detection apparatus as claimed in claim 5, characterized in that said attraction means (9) is a magnet disposed around said dielectric block (8).
8. The portable motor state acoustic wave detection device according to claim 1, wherein a limit hole adapted to the dielectric block (8) is provided in the housing (1), and the dielectric block (8) can move along the limit hole.
9. The portable motor state acoustic wave detection device according to claim 8, wherein a flexible connection member (10) is connected to one side of the dielectric block (8) located in the housing (1), a connection column is arranged in the housing (1) corresponding to the limiting hole, and the flexible connection member (10) is connected to the connection column.
10. The portable motor state acoustic wave detection device according to claim 9, wherein the dielectric block (8) is in a horn shape gradually increasing from inside to outside of the housing (1), and an end surface of the dielectric block (8) away from the housing (1) is provided as a curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765655.XU CN214893673U (en) | 2021-07-30 | 2021-07-30 | Portable motor state sound wave detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765655.XU CN214893673U (en) | 2021-07-30 | 2021-07-30 | Portable motor state sound wave detection device |
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| CN214893673U true CN214893673U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121765655.XU Active CN214893673U (en) | 2021-07-30 | 2021-07-30 | Portable motor state sound wave detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962125A (en) * | 2021-12-14 | 2023-04-14 | 黑龙江景宏石油设备制造有限公司 | Driving device of screw pump |
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2021
- 2021-07-30 CN CN202121765655.XU patent/CN214893673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962125A (en) * | 2021-12-14 | 2023-04-14 | 黑龙江景宏石油设备制造有限公司 | Driving device of screw pump |
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