超快速响应和值可调的智能热电系统为下一代自动驱动远程物联网火灾警报
Zhaofu Ding1, Gang Li1, Yejun Wang2
1College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China.
Nano-micro letters
|July 10, 2024
概括
本研究介绍了一种使用新型热电复合膜的自动供电,远程物联网 (IoT) 消防预警系统. 该系统提供超快的响应时间和可调节的值,以提高火灾检测.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 工程 工程师 工程师 工程师
背景情况:
- 有效的火灾预警系统至关重要,但在速度,适应性和遥感方面面临挑战.
- 现有系统可能缺乏自动供电能力或需要复杂的基础设施.
研究的目的:
- 开发一个智能,自动供电,远程物联网火灾预警系统.
- 使用新型单壁碳纳米管/碳化热电复合膜用于火灾检测.
主要方法:
- 通过溶液混合制造柔性热电复合膜的制造.
- 薄膜的特性,包括热电 (TE) 性能,热稳定性和阻燃性.
- 组装和测试热电装置 (TED) 的火灾预警响应时间和值可调.
- 开发一个无线物联网系统,将TED与电子模块集成在一起.
主要成果:
- 复合膜具有p型特征,高温稳定性,阻燃性,功率系数为239.7 ± 15.8μW m-1 K-2.2.
- 组装的TED展示了具有可调节值 (1-10mV) 的快速火灾预警,以及约0.1秒的超快响应时间.
- 该系统在50个周期内表现出极好的稳定性,在180天暴露在空气中后的耐用性.
- 成功开发了一个功能性的无线物联网火灾预警系统.
结论:
- 开发的热电复合膜和设备为下一代自动供电远程物联网火灾预警应用提供了有前途的解决方案.
- 混合系统将高效的热电特性与无线通信相结合,用于强大的火灾检测.
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