CN213239015U - Portable power equipment sound wave detection analyzer - Google Patents
Portable power equipment sound wave detection analyzer Download PDFInfo
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- CN213239015U CN213239015U CN202020788260.0U CN202020788260U CN213239015U CN 213239015 U CN213239015 U CN 213239015U CN 202020788260 U CN202020788260 U CN 202020788260U CN 213239015 U CN213239015 U CN 213239015U
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Abstract
The utility model discloses a portable power equipment sound wave detection analyzer, which comprises a controller, a sound collection module, an operational amplification circuit, a key module, a temperature and humidity detection module, an LCD display module, a voice broadcast module and a power module; the utility model discloses portable power equipment sound wave detection analysis appearance passes through sound collection module and gathers power equipment sound wave signal, and the operation amplifier circuit is with signal transmission to controller after enlargiing the processing, the controller passes through the temperature and the humidity value of LCD display module demonstration power equipment sound-emitting signal waveform and current environment, and through the average value of voice broadcast module suggestion acoustic signal amplitude and frequency and the temperature and the humidity value of current environment, be used for comparing with historical data, judge power equipment's operational aspect, be convenient for transformer substation operation person on duty patrols power equipment operation and has the abnormal condition, transformer substation operation person on duty's work efficiency has been improved.
Description
Technical Field
The utility model relates to a power equipment detects technical field, especially a portable power equipment sound wave detection analysis appearance.
Background
At present, in the inspection of electrical equipment, a worker usually judges the operation condition of the equipment by a method of listening the operation sound of the equipment, the sound wave signals sent by different electrical equipment during operation are different, and the sound wave signals sent by the same electrical equipment during normal operation and fault operation are different. The method has the problems that workers who are in bad hearing age and do not have operation on-duty experience just enter a job have difficulty requirements, sound signals cannot be visualized, operation state analysis of the power equipment based on the sensory experience of human ears is only qualitative, quantitative analysis cannot be achieved, and the operation on-duty personnel of the transformer substation are inconvenient to patrol whether the power equipment operates abnormally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient to use, reliability are high, and visual portable power equipment sound wave detection analysis appearance.
Realize the utility model discloses the technical solution of purpose does:
a portable sound wave detection analyzer for power equipment is characterized by comprising a controller, a sound acquisition module, an operational amplification circuit, a key module, a temperature and humidity detection module, an LCD (liquid crystal display) module, a voice broadcast module and a power module; the output end of the sound acquisition module is connected with the input end of the operational amplification circuit, and the output end of the operational amplification circuit is connected with the input end of the controller; the sound acquisition module acquires sound wave signals of the power equipment, amplifies the signals through the operational amplification circuit and then transmits the amplified signals to the controller; the key module is connected with the controller and controls the start and the end of signal acquisition; the output end of the temperature and humidity detection module is connected with the input end of the controller, and the temperature and humidity detection module collects the ambient temperature and humidity and transmits the collected signals to the controller; the input end of the LCD display module is connected with the output end of the controller, and the controller displays the signal waveform of sound emitted by the power equipment and the temperature and humidity value of the current environment through the LCD display module; the input end of the voice broadcasting module is connected with the output end of the controller, and the controller prompts the average value of the amplitude and the frequency of the voice signal and the temperature and humidity value of the current environment through the voice broadcasting module; the power supply module is connected with the power supply input end of the controller and provides power supply for the controller.
Preferably, the controller adopts STM32 microcontroller, and the controller carries out Kalman filtering to the power equipment sound wave signal that sound collection module gathered, shows the signal waveform that power equipment sent sound and the temperature and the humidity value of current environment through LCD display module to indicate the average value of sound signal amplitude and frequency and the temperature and the humidity value of current environment through the voice broadcast module, for compare with historical data, judge power equipment's behavior.
Preferably, the key module includes a start button and an end button.
Preferably, the temperature and humidity detection module adopts a DHT11 temperature and humidity sensor.
Preferably, the power module adopts a rechargeable lithium battery.
Compared with the prior art, the utility model, it is showing the advantage:
the utility model discloses portable power equipment sound wave detection analysis appearance gathers power equipment sound wave signal through sound collection module, and the operation amplifier circuit is with signal transmission to controller after enlargiing the processing, the power equipment sound wave signal that the controller gathered sound collection module carries out the kalman filter and handles, show the signal waveform that power equipment sent sound and the temperature and the humidity value of current environment through LCD display module, and indicate the average value of sound signal amplitude and frequency and the temperature and the humidity value of current environment through the voice broadcast module, be used for comparing with historical data, judge power equipment's operational aspect, be convenient for transformer substation operation person on duty patrols power equipment operation and has the abnormal nothing, transformer substation operation person on duty's work efficiency has been improved.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model discloses portable power equipment sound wave detection analyzer's schematic structure diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, a portable power equipment sound wave detection analyzer includes a controller, a sound collection module, an operational amplification circuit, a key module, a temperature and humidity detection module, an LCD display module, a voice broadcast module, and a power supply module; the output end of the sound acquisition module is connected with the input end of the operational amplification circuit, and the output end of the operational amplification circuit is connected with the input end of the controller; the sound acquisition module acquires sound wave signals of the power equipment, amplifies the signals through the operational amplification circuit and then transmits the amplified signals to the controller; the key module is connected with the controller and controls the start and the end of signal acquisition; the output end of the temperature and humidity detection module is connected with the input end of the controller, and the temperature and humidity detection module collects the ambient temperature and humidity and transmits the collected signals to the controller; the input end of the LCD display module is connected with the output end of the controller, and the controller displays the signal waveform of sound emitted by the power equipment and the temperature and humidity value of the current environment through the LCD display module; the input end of the voice broadcasting module is connected with the output end of the controller, and the controller prompts the average value of the amplitude and the frequency of the voice signal and the temperature and humidity value of the current environment through the voice broadcasting module; the power supply module is connected with the power supply input end of the controller and provides power supply for the controller.
The controller adopts STM32 microcontroller controller, and the controller carries out Kalman filtering to the power equipment sound wave signal that sound collection module gathered, shows the signal waveform that power equipment sent sound and the temperature and the humidity value of current environment through LCD display module to indicate the average value of sound signal amplitude and frequency and the temperature and the humidity value of current environment through the voice broadcast module, for compare with historical data, judge power equipment's behavior.
The key module shown includes a start button and an end button.
The temperature and humidity detection module adopts a DHT11 temperature and humidity sensor.
The power module adopts a rechargeable lithium battery and provides 5V stable voltage through the power module.
The utility model discloses portable power equipment sound wave detection analyzer's theory of operation:
when the intelligent transformer substation works, a substation operation attendant presses a start button, a sound acquisition module acquires a sound wave signal of the power equipment, and the signal is amplified by an operational amplification circuit and then transmitted to a controller; meanwhile, the temperature and humidity detection module collects the ambient temperature and humidity and transmits the collected signals to the controller; the controller carries out Kalman filtering to the power equipment sound wave signal that sound collection module gathered, shows the signal waveform that power equipment sent sound and the temperature and the humidity value of current environment through LCD display module to indicate the average value of sound signal amplitude and frequency and the temperature and the humidity value of current environment through the voice broadcast module, for compare with historical data, judge power equipment's behavior.
To sum up, the utility model discloses portable power equipment sound wave detection analyzer gathers power equipment sound wave signal through sound collection module, and amplify the signal through operational amplifier circuit and transmit to the controller after handling, the power equipment sound wave signal that the controller gathered sound collection module carries out the kalman filter and handles, show the temperature and the humidity value of the signal waveform that power equipment sent sound and current environment through LCD display module, and indicate average value and the temperature and the humidity value of current environment of sound signal amplitude and frequency through voice broadcast module, be used for comparing with historical data, judge power equipment's operational aspect, the transformer substation operation person on duty of being convenient for tours power equipment operation and has had the abnormal condition, transformer substation operation person on duty's work efficiency has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A portable sound wave detection analyzer for power equipment is characterized by comprising a controller, a sound acquisition module, an operational amplification circuit, a key module, a temperature and humidity detection module, an LCD (liquid crystal display) module, a voice broadcast module and a power module; the output end of the sound acquisition module is connected with the input end of the operational amplification circuit, and the output end of the operational amplification circuit is connected with the input end of the controller; the sound acquisition module acquires sound wave signals of the power equipment, amplifies the signals through the operational amplification circuit and then transmits the amplified signals to the controller; the key module is connected with the controller and controls the start and the end of signal acquisition; the output end of the temperature and humidity detection module is connected with the input end of the controller, and the temperature and humidity detection module collects the ambient temperature and humidity and transmits the collected signals to the controller; the input end of the LCD display module is connected with the output end of the controller, and the controller displays the signal waveform of sound emitted by the power equipment and the temperature and humidity value of the current environment through the LCD display module; the input end of the voice broadcasting module is connected with the output end of the controller, and the controller prompts the average value of the amplitude and the frequency of the voice signal and the temperature and humidity value of the current environment through the voice broadcasting module; the power supply module is connected with the power supply input end of the controller and provides power supply for the controller.
2. The portable power equipment sound wave detection analyzer according to claim 1, wherein the controller adopts an STM32 single chip microcomputer controller, the controller performs Kalman filtering processing on the power equipment sound wave signals collected by the sound collection module, displays the signal waveform of sound emitted by the power equipment and the temperature and humidity value of the current environment through the LCD display module, and prompts the average value of the amplitude and frequency of the sound signals and the temperature and humidity value of the current environment through the voice broadcast module for comparison with historical data to judge the operating condition of the power equipment.
3. The portable power device acoustic detection analyzer in accordance with claim 1, wherein the key module includes a start button and an end button.
4. The acoustic wave detection analyzer for portable electric power equipment according to claim 1, wherein the temperature and humidity detection module employs a DHT11 temperature and humidity sensor.
5. The portable power device acoustic detection analyzer of claim 1, wherein the power module employs a rechargeable lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788260.0U CN213239015U (en) | 2020-05-13 | 2020-05-13 | Portable power equipment sound wave detection analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788260.0U CN213239015U (en) | 2020-05-13 | 2020-05-13 | Portable power equipment sound wave detection analyzer |
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| CN213239015U true CN213239015U (en) | 2021-05-18 |
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| CN202020788260.0U Active CN213239015U (en) | 2020-05-13 | 2020-05-13 | Portable power equipment sound wave detection analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916365A (en) * | 2021-10-14 | 2022-01-11 | 广东电网有限责任公司东莞供电局 | Transmission type audio auscultation device |
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2020
- 2020-05-13 CN CN202020788260.0U patent/CN213239015U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916365A (en) * | 2021-10-14 | 2022-01-11 | 广东电网有限责任公司东莞供电局 | Transmission type audio auscultation device |
| CN113916365B (en) * | 2021-10-14 | 2023-10-31 | 广东电网有限责任公司东莞供电局 | Transmission type audio auscultation device |
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