Intelligent converged terminal module communication self-checking method and device
By injecting low-frequency ripple signals to collect reflected waveforms and dynamically adjusting the terminal resistance hierarchical channel, the address conflict and bus contention issues in the batch testing of intelligent fusion terminal modules are resolved, achieving efficient and reliable module initialization and communication quality testing.
CN122420193APending Publication Date: 2026-07-17FUJIAN RUIST TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- FUJIAN RUIST TECH CO LTD
- Filing Date
- 2026-04-10
- Publication Date
- 2026-07-17
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Figure CN122420193A_ABST
Abstract
本发明公开了一种智能融合终端模组通信自检方法及装置，其中方法包括：将多个待测模组通过可调终端电阻接入RS‑485总线；注入低于唤醒阈值的特征纹波并采集反射波形；提取反映抗干扰能力差异的阻抗反射特征，据此将模组按抗干扰能力从强到弱划分为多个群组；确定与各群组匹配的撕裂电阻值；按由强至弱顺序依次处理各群组，向总线发送激活指令同时将终端电阻调至对应撕裂电阻值，使信道质量与群组抗干扰能力相匹配；在劣化信道下捕获唯一成功响应的模组并初始化；重复直至所有模组完成初始化后进行通信质量检验。本发明实现了批量空白模组的无冲突初始化，无需额外硬件成本，显著提升检验效率和可靠性。
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