矿用对射式风速风向传感器设计

安赛; 赵忠辉; 张浪; 李伟; 彭然

doi:10.13272/j.issn.1671-251x.2024010055

矿用对射式风速风向传感器设计

doi: 10.13272/j.issn.1671-251x.2024010055

安赛^{1, 2, 3, 4,},
赵忠辉^{1, 2, 3, 4},
张浪^{1, 2, 3, 4},
李伟^{1, 2, 3, 4},
彭然^{1, 2, 3, 4}

1.
煤炭科学技术研究院有限公司，北京，100013
2.
煤科通安（北京）智控科技有限公司，北京　100013
3.
北京市煤矿安全工程技术研究中心，北京　100013
4.
煤炭智能开采与岩层控制全国重点实验室，北京　100013

基金项目: 国家自然科学基金重点项目（52130409）；煤科院技术创新基金项目（2022CX-I-10，2023CX-Ⅱ-15）。

详细信息

作者简介:
安赛（1987—），男，河北保定人，副研究员，硕士，主要从事矿井智能通风设备研发工作，E-mail：670405696@qq.com

中图分类号: TD723
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- 被引次数: 0
出版历程
- 收稿日期: 2024-01-18
- 修回日期: 2024-03-21
- 网络出版日期: 2024-05-10

Design of mine opposed wind speed and direction sensor

AN Sai^{1, 2, 3, 4
,},
ZHAO Zhonghui^{1, 2, 3, 4},
ZHANG Lang^{1, 2, 3, 4},
LI Wei^{1, 2, 3, 4},
PENG Ran^{1, 2, 3, 4}

1.
China Coal Research Institute, Beijing 100013, China
2.
CCRI Tong'an(Beijing) Intelligent Control Technology Co., Ltd., Beijing 100013, China
3.
Beijing Engineering and Research Center of Mine Safe, Beijing 100013, China
4.
State Key Laboratory of Intelligent Coal Mining and Strate Control, Beijing 100013, China

摘要

摘要: 针对目前风速传感器启动风速高、设计方案复杂、无法准确测量巷道整个断面平均风速的问题，基于超声波对射式测风原理，设计了以STM32为核心的矿用对射式风速风向传感器，介绍了传感器总体结构、收发电路设计、滤波算法及软件流程。该传感器改变了以点带面的测风方式，通过大距离（5～12 m）超声测风技术测量巷道中线风速，以该风速代表整个巷道的平均风速，提高了巷道风速测量的准确性和实时性。依据设计方案研发了测试样机，在环形风洞中的测试结果表明，该传感器测量值与风速标准值在0.1～15 m/s内具有较好的一致性，测量误差小于0.1 m/s，能够满足智能化矿井对巷道风速测量精度的要求。
- 智能化通风 /
- 风速风向传感器 /
- 巷道断面风速 /
- 超声波测风 /
- 对射式测风 /
- 巷道中线风速
Abstract: In response to the current problems of high startup wind speed, complex design schemes, and inability to accurately measure the average wind speed of the entire section of the roadway using wind speed sensors, based on the principle of ultrasonic opposed wind measurement, a mine opposed wind speed and direction sensor with STM32 as the core is designed. The overall structure of the sensor, the design of the transmitting and receiving circuit, the filtering algorithm, and the software process are introduced. This sensor has changed the wind measurement method from point to surface, using a single ARM core and measuring the wind speed at the centerline of the roadway through long-distance (5-12 m) ultrasonic wind measurement technology. This wind speed represents the average wind speed of the entire roadway. It greatly improves the accuracy and real-time performance of roadway wind speed measurement. A test prototype is developed based on the design scheme, and the test results in a circular wind tunnel show that the measured values of the sensor has good consistency with the standard wind speed values in the range of 0.1-15 m/s, with a measurement error of less than 0.1 m/s. It can meet the precision requirements of intelligent mines for roadway wind speed measurement.
- intelligent ventilation /
- wind speed and direction sensor /
- wind speed at the cross-section of the roadway /
- ultrasonic wind measurement /
- opposed wind measurement /
- wind speed at the centerline of the roadway

HTML全文

图 1 对射式风速风向传感器测量原理

Figure 1. The measurement principle of opposed wind speed and direction sensor

下载: 全尺寸图片幻灯片

图 2 对射式风速风向传感器结构

Figure 2. The structure of opposed wind speed and direction sensor

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图 3 超声波发射及通道选择电路

Figure 3. Ultrasonic emission and channel selection circuit

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图 4 超声波接收及动态放大电路

Figure 4. Ultrasonic receiving and dynamic amplification circuit

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图 5 系统软件流程

Figure 5. System software flow

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图 6 环形风洞

Figure 6. Circular wind tunnel

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表 1 传感器测试结果

Table 1. Sensor test results m/s

风速标准值	风速测量值	误差	风速标准值	风速测量值	误差
0	0.01	−0.01	5.96	5.99	−0.03
0.16	0.15	0.01	7.05	7.01	0.04
0.24	0.23	0.01	7.97	8.04	−0.07
0.44	0.42	0.02	9.07	9.14	−0.07
0.72	0.71	0.01	10.25	10.28	−0.03
0.96	0.94	0.02	12.09	12.11	−0.02
1.96	1.89	0.07	15.13	15.14	−0.01
2.98	2.98	0	20.11	20.12	−0.01
3.94	3.96	−0.02	25.10	25.96	−0.86
4.95	5.07	−0.12

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