Circuit integrity detection system for detecting the integrity of a sensing wire in electrically heated textiles
First Claim
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1. An electrically heated textile comprising:
- a heating element, wherein a first signal is generated through the heating element at a first frequency;
a sensing wire for detecting a hotspot created by the heating element;
a layer having a negative temperature coefficient (NTC) positioned between the heating element and the sensing wire, wherein the sensing layer is wrapped about the NTC layer; and
a means for detecting the integrity of a sensing wire including a first A/D converter connected to a first end of the sensing wire;
a second A/D converter connected to a second end of the sensing wire; and
a signal detector for detecting the signal from the first and second A/D converters.
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Abstract
A circuit integrity detection system for use in detecting the integrity of sensing wire in a heating pad wherein the integrity of the sensing wire is checking the inputs from a first and second A/D converter connected to opposite ends of the sensing wire.
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Citations
5 Claims
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1. An electrically heated textile comprising:
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a heating element, wherein a first signal is generated through the heating element at a first frequency; a sensing wire for detecting a hotspot created by the heating element; a layer having a negative temperature coefficient (NTC) positioned between the heating element and the sensing wire, wherein the sensing layer is wrapped about the NTC layer; and a means for detecting the integrity of a sensing wire including a first A/D converter connected to a first end of the sensing wire;
a second A/D converter connected to a second end of the sensing wire; and
a signal detector for detecting the signal from the first and second A/D converters. - View Dependent Claims (2, 3, 4, 5)
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Specification