CN111721354A - Portable power equipment sound wave detection analyzer - Google Patents
Portable power equipment sound wave detection analyzer Download PDFInfo
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- CN111721354A CN111721354A CN202010402563.9A CN202010402563A CN111721354A CN 111721354 A CN111721354 A CN 111721354A CN 202010402563 A CN202010402563 A CN 202010402563A CN 111721354 A CN111721354 A CN 111721354A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
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Abstract
The invention discloses a portable power equipment sound wave detection analyzer, which comprises 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, wherein the sound acquisition module is connected with the operational amplification circuit; the portable electric power equipment sound wave detection analyzer collects sound wave signals of electric power equipment through the sound collection module, amplifies the signals through the operational amplification circuit and transmits the amplified signals to the controller, the controller displays the signal waveform of sound emitted by the electric 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 operation condition of the electric power equipment, so that a substation operation attendant can conveniently observe whether the electric power equipment operates normally, and the working efficiency of the substation operation attendant is improved.
Description
Technical Field
The invention relates to the technical field of power equipment detection, in particular to a portable power equipment sound wave detection analyzer.
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.
Disclosure of Invention
The invention aims to provide a visual portable electric equipment sound wave detection analyzer with convenient use and high reliability.
The technical solution for realizing the purpose of the invention is as follows:
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 invention has the following remarkable advantages:
the portable power equipment sound wave detection analyzer collects sound wave signals of power equipment through the sound collection module, amplifies the sound wave signals through the operational amplification circuit and transmits the amplified sound wave signals to the controller, the controller conducts Kalman filtering processing on the sound wave signals of the power equipment collected by the sound collection module, the LCD display module displays the signal waveform of sound emitted by the power equipment and the temperature and humidity values of the current environment, the voice broadcast module prompts the average value of the amplitude and frequency of the sound signals and the temperature and humidity values of the current environment to be compared with historical data to judge the operation condition of the power equipment, a substation operation attendant can conveniently observe whether the power equipment operates normally, and the working efficiency of the substation operation attendant is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, 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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an acoustic wave detection analyzer of a portable power device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 working principle of the portable electric equipment sound wave detection analyzer is as follows:
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.
In summary, the portable power equipment sound wave detection analyzer acquires the power equipment sound wave signal through the sound acquisition module, amplifies the signal through the operational amplification circuit and transmits the amplified signal to the controller, the controller performs kalman filtering processing on the power equipment sound wave signal acquired by the sound acquisition module, the LCD display module displays the sound signal waveform of the power equipment and the temperature and humidity values of the current environment, and the voice broadcast module prompts the average value of the amplitude and frequency of the sound signal and the temperature and humidity values of the current environment for comparison with historical data to judge the operation condition of the power equipment, so that the substation operation attendant can conveniently observe whether the power equipment operates normally, and the work efficiency of the substation operation attendant is 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 |
|---|---|---|---|
| CN202010402563.9A CN111721354A (en) | 2020-05-13 | 2020-05-13 | Portable power equipment sound wave detection analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402563.9A CN111721354A (en) | 2020-05-13 | 2020-05-13 | Portable power equipment sound wave detection analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN111721354A true CN111721354A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010402563.9A Pending CN111721354A (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 |
|---|---|---|---|---|
| CN113204012A (en) * | 2021-04-25 | 2021-08-03 | 国网河南省电力公司平顶山供电公司 | Electrical equipment abnormal sound positioning method |
-
2020
- 2020-05-13 CN CN202010402563.9A patent/CN111721354A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113204012A (en) * | 2021-04-25 | 2021-08-03 | 国网河南省电力公司平顶山供电公司 | Electrical equipment abnormal sound positioning method |
| CN113204012B (en) * | 2021-04-25 | 2023-11-17 | 国网河南省电力公司平顶山供电公司 | Abnormal sound positioning method for electrical equipment |
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