Novel Connector Mechanism Using Anisotropic Conductive Rubber for Trillion-Node Engine as an IoT Edge Platform

K. Agawa, Tokihiko Mori, R. Ninomiya, M. Takizawa, Takayasu Sakurai
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Abstract

An IoT edge platform, where desired IoT nodes are realized selecting and connecting several single-function printed circuit boards (PCBs) such as a sensor, microprocessor, and power supply unit with anisotropic conductive rubber (ACR) connectors, is demonstrated. The PCBs are called “leaf PCBs” and their dimensions are typically $\mathrm{2}\ \text{cm}\times \mathrm{2}\ \text{cm}$. Small rubber connectors are employed to connect these PCBs so that soldering is unnecessary and removable and replaceable structure is realized for customizability of IoT nodes. A wire connection mechanism is also developed to connect wires between leaf PCBs and external devices such as motors and sensors. It is smaller than conventional terminal blocks. To investigate important performance of the proposed connection schemes, temperature cycle tests for ACR connectors and retention strength tests for wire connection mechanisms are carried out.
基于各向异性导电橡胶的新型连接器机制用于万亿节点引擎作为物联网边缘平台
展示了一个物联网边缘平台,在该平台上实现所需的物联网节点,选择和连接多个单功能印刷电路板(pcb),如传感器、微处理器和带有各向异性导电橡胶(ACR)连接器的电源单元。pcb被称为“叶子pcb”,它们的尺寸通常是$\ mathm {2}\ \text{cm}\乘以\ mathm {2}\ \text{cm}$。使用小型橡胶连接器连接这些pcb,因此无需焊接,并且实现了可拆卸和可更换的结构,以实现物联网节点的可定制性。还开发了一种导线连接机构,用于连接叶片pcb与外部设备(如电机和传感器)之间的导线。它比传统的端子座小。为了研究所提出的连接方案的重要性能,对ACR连接器进行了温度循环试验,并对导线连接机构进行了保持强度试验。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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