井下噪声测量仪的设计与实现

详细信息

Design of Noise Measuring Instrument and Its Implementatio

1.
College of Resources and Environmental Science of Chongqing University, Chongqing 400037, China. 2.Institute of Occupational Safety and Health of State Administration of Work Safety, Beijing 102300,

摘要: 针对煤矿井下噪声的危害，提出了一种基于STC单片机的井下噪声测量仪的设计方案，介绍了该测量仪的硬件和软件设计。测试结果表明，该测量仪实现了噪声声级的准确测量，测定误差小于±1.25%，达到了2级声级计指标要求。
- 煤矿井下 /
- 噪声测量仪 /
- 声压级 /
- 传声器 /
- 计权电路 /
- STC单片机
Abstract: In view of noise hazard of coal mine underground, the paper proposed a design scheme of noise measuring instrument based on STC single-chip microcomputer, and introduced hardware and software design of the instrument. The test results showed that the instrument realizes accurate measurement of noise level, measurement error is less than ±1.25%, which reaches 2-level of sound level meter.
- coal mine underground, noise measuring instrument, sound pressure level, microphone, weighting circuit, STC single-chip microcomputer