发明授权
- 专利标题： Apparatus and method for detecting condition of heating element
- 专利标题（中）： 用于检测加热元件状态的装置和方法
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申请号： US12692320申请日： 2010-01-22
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公开(公告)号： US08258442B2公开(公告)日： 2012-09-04
- 发明人: William E. Miller , Lawrence J. Brazis
- 申请人： William E. Miller , Lawrence J. Brazis
- 申请人地址： US MO St. Louis
- 专利权人： Emerson Electric Co.
- 当前专利权人： Emerson Electric Co.
- 当前专利权人地址： US MO St. Louis
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 主分类号： H05B3/68
- IPC分类号： H05B3/68 ; H05B1/02
摘要：
A control for an electric water heater detects a condition of a heating element when the heating element is not being energized. A switching module is operable to interrupt power to the heating element, which de-energizes the heating element. A detector module detects the condition of the heating element when the heating element is de-energized. The detector module senses current flowing through the heating element and generates a detection signal that is indicative of the current.
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