WO2015090140A1 - 一种高准确性个体噪声测量方法 - Google Patents

一种高准确性个体噪声测量方法 Download PDF

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Publication number
WO2015090140A1
WO2015090140A1 PCT/CN2014/092853 CN2014092853W WO2015090140A1 WO 2015090140 A1 WO2015090140 A1 WO 2015090140A1 CN 2014092853 W CN2014092853 W CN 2014092853W WO 2015090140 A1 WO2015090140 A1 WO 2015090140A1
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WO
WIPO (PCT)
Prior art keywords
individual
microphones
noise
accuracy
ear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/092853
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English (en)
French (fr)
Inventor
王鑫
孙成勋
朱宝余
闫淑梅
陈城
孙东东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEALTH SUPERVISION INSTITUTE OF NANGUAN DISTRICT MUNICIPAL HEALTH BUREAU OF CHANGCHUN CITY
Jilin electric power survey design institute
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
HEALTH SUPERVISION INSTITUTE OF NANGUAN DISTRICT MUNICIPAL HEALTH BUREAU OF CHANGCHUN CITY
Jilin electric power survey design institute
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEALTH SUPERVISION INSTITUTE OF NANGUAN DISTRICT MUNICIPAL HEALTH BUREAU OF CHANGCHUN CITY, Jilin electric power survey design institute, Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical HEALTH SUPERVISION INSTITUTE OF NANGUAN DISTRICT MUNICIPAL HEALTH BUREAU OF CHANGCHUN CITY
Publication of WO2015090140A1 publication Critical patent/WO2015090140A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/14—Measuring mean amplitude; Measuring mean power; Measuring time integral of power

Definitions

  • the invention relates to a method for measuring individual noise in the field of occupational health and environmental protection.
  • the individual noise measurement methods used in China and abroad have the following two drawbacks: (1) A microphone can only measure the noise intensity of a single ear contact, resulting in one-sided measurement results. (2) The activity of the laborer causes the position of the microphone to be kept at the same height as the ear of the worker, which affects the accuracy of the measurement results. The individual noise measuring devices used and sold at home and abroad have passed the investigation. At present, there is no individual noise measuring method that can simultaneously measure the left and right ear noise intensity and keep the microphone position at the same height as the laborer's ear.
  • the present invention provides a high accuracy individual noise measuring method.
  • the individual noise measuring device can be fixed on the helmet, the device has two microphones, the microphone is at the same height as the ear, and a microphone is installed on each of the left and right sides. .
  • the advantage of the present invention compared with the prior art is that the measurement result can separately display and record the noise intensity of the left ear, the right ear, the left and right ears, and simultaneously calculate the equivalent continuous A sound level; it is convenient for the person to be carried, and the microphone is always The height of the ear is consistent when the worker works; the accuracy of the individual noise measurement results is guaranteed.
  • FIG. 1 is a block diagram showing the hardware structure of the present invention.
  • Figure 1 is a schematic view of the installation of the present invention.
  • the microphones 1, 2 receive external sound signals, and the amplifiers 3 are respectively
  • the sound pressure signal is amplified by power to obtain an audio signal, and the audio signal is converted into a corresponding pulse signal by the converter 4, and the single-chip microcomputer 5 respectively performs calculation processing on the pulse signal, and is controlled by the operation keyboard 6 to finally display the measurement result by the display 7.
  • the microphones 1, 2 are mounted on both sides of the helmet 5, the main unit 4 is mounted on the rear of the helmet 5, and the microphones 1, 2 and the host 4 are connected by a signal line 3.
  • the measuring method (1) The device is easy to install and carried by the person to be tested. (2) The microphone is always consistent with the height of the ear when the worker is working. (3) The measurement results can show the average noise intensity of the left ear, the right ear, and the left and right ears, respectively. (4) Ensure the accuracy of individual noise measurement results.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

一种高准确性个体噪声测量方法，其特征在于：个体噪声测量装置可固定在安全帽（5）上，此装置具有两个传声器（1，2），传声器（1，2）与耳部同高度，且左右两侧各安装一个传声器（1，2）。测量结果可分别显示并记录左耳、右耳、左右耳均值噪声强度且同时分别计算等效连续A声级，便于被检测人携带，传声器（1，2）始终与劳动者工作时耳部的高度一致，保证个体噪声测量结果的准确性。

Description

一种高准确性个体噪声测量方法 技术领域
本发明涉及职业卫生和环境保护领域中个体噪声测量方法。
背景技术
目前，国内、国外使用的个体噪声测量方法存在以下两种弊端：⑴一个传声器只能测量单耳接触的噪声强度，导致测量结果的片面性。⑵劳动者的活动导致传声器位置不能够一直保持与劳动者耳部同高，影响测量结果的准确性。国内、国外使用及销售的个体噪声测量装置通过查新，目前国内外尚无一种可以同时测量左右耳噪声强度且传声器位置一直保持与劳动者耳部同高的个体噪声测量方法。
发明内容
本发明为了解决现有技术的上述不足，提供了一种高准确性个体噪声测量方法。
本发明的上述目的通过以下的技术方案来实现：其特征在于：个体噪声测量装置可固定在安全帽上，此装置具有两个传声器，传声器与耳部同高度，且左右两侧各安装一个传声器。
本发明与现有技术相比的优点是：测量结果可分别显示并记录左耳、右耳、左右耳均值噪声强度且同时分别计算等效连续A声级；便于被检测人携带，传声器始终与劳动者工作时耳部的高度一致；保证个体噪声测量结果的准确性。
附图说明
图1是本发明的硬件结构框图。
图1是本发明的安装示意图。
具体实施方式
下面结合附图对本发明进一步详述。
如图1所示，传声器1、2接收外部声音信号，放大器3分别对 声压信号进行功率放大得到音频信号，经过转换器4分别将音频信号转换成对应的脉冲信号，单片机5分别对脉冲信号进行计算处理，通过操作键盘6控制最后由显示器7显示测量结果。
如图2所示，传声器1、2安装在安全帽5两侧，主机4安装在安全帽5后部，传声器1、2与主机4通过信号线3连接。
本测量方法⑴设备便于安装及被检测人携带。⑵测量期间传声器始终与劳动者工作时耳部的高度一致。⑶测量结果可分别显示左耳、右耳、左右耳均值噪声强度。⑷保证个体噪声测量结果的准确性。
上述的具体实施方式只是示例性的，是为了更好的使本领域技术人员能够理解本专利，不能理解为是对本专利包括范围的限制；只要是根据本专利所揭示精神的所作的任何等同变更或修饰，均落入本专利包括的范围。

Claims (1)

  1. 一种高准确性个体噪声测量方法，其特征在于：个体噪声测量装置可固定在安全帽上，此装置具有两个传声器，传声器与耳部同高度，且左右两侧各安装一个传声器。
PCT/CN2014/092853 2013-12-17 2014-12-03 一种高准确性个体噪声测量方法 Ceased WO2015090140A1 (zh)

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CN104075796A (zh) * 2013-12-17 2014-10-01 国家电网公司 一种高准确性个体噪声测量方法

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US6456199B1 (en) * 2000-02-18 2002-09-24 Dosebusters Usa Continuous noise monitoring and reduction system and method
DE10258095B3 (de) * 2002-12-11 2004-02-26 Daimlerchrysler Ag Vorrichtung und Verfahren zum Erfassen und Wiedergeben von Geräuschen und Kopfhörer
US20050254667A1 (en) * 2004-05-17 2005-11-17 Dosebusters Method and apparatus for continuous noise exposure monitoring
CN2852763Y (zh) * 2005-11-29 2007-01-03 李铁顺 瓦斯监测安全帽
CN103210288A (zh) * 2010-11-15 2013-07-17 Seb公司 吹发器的噪声测量方法
CN103246256A (zh) * 2013-04-10 2013-08-14 合肥工业大学 一种建筑施工现场生产安全监控系统及使用方法
CN203232543U (zh) * 2013-04-10 2013-10-09 合肥工业大学 一种建筑施工现场生产安全监控系统
CN104075796A (zh) * 2013-12-17 2014-10-01 国家电网公司 一种高准确性个体噪声测量方法

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WO2004084176A1 (ja) * 2000-08-15 2004-09-30 Yoichi Ando 音響評価方法およびそのシステム
US8116472B2 (en) * 2005-10-21 2012-02-14 Panasonic Corporation Noise control device
CN201051185Y (zh) * 2006-02-07 2008-04-23 陈笠 带钢性管前框的眼镜
CN202634674U (zh) * 2011-12-31 2012-12-26 广东步步高电子工业有限公司 一种在耳机听音乐状态下的消噪设备

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456199B1 (en) * 2000-02-18 2002-09-24 Dosebusters Usa Continuous noise monitoring and reduction system and method
DE10258095B3 (de) * 2002-12-11 2004-02-26 Daimlerchrysler Ag Vorrichtung und Verfahren zum Erfassen und Wiedergeben von Geräuschen und Kopfhörer
US20050254667A1 (en) * 2004-05-17 2005-11-17 Dosebusters Method and apparatus for continuous noise exposure monitoring
CN2852763Y (zh) * 2005-11-29 2007-01-03 李铁顺 瓦斯监测安全帽
CN103210288A (zh) * 2010-11-15 2013-07-17 Seb公司 吹发器的噪声测量方法
CN103246256A (zh) * 2013-04-10 2013-08-14 合肥工业大学 一种建筑施工现场生产安全监控系统及使用方法
CN203232543U (zh) * 2013-04-10 2013-10-09 合肥工业大学 一种建筑施工现场生产安全监控系统
CN104075796A (zh) * 2013-12-17 2014-10-01 国家电网公司 一种高准确性个体噪声测量方法

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