Methane sensor based on single heating element, preparation method and application
A methane sensor and heating element technology, applied in the direction of material resistance, can solve the problems of high price, short calibration time and poisoning of infrared methane sensor
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[0065] Example 1: As in figure 1 , figure 2 Wherein, the methane sensor includes a heating element 101, a measuring element 102, and an ambient temperature measuring element 103; the ambient temperature measuring element 103 is arranged on the support 100;
[0066] The heating element 101 is composed of two fixed ends 1001, two supporting arms A1012 arranged side by side and a heater 1011. The two ends of the two supporting arms A1012 are respectively connected to the fixed end 1001 and the heater 1011 to form a two-terminal device The length of each supporting arm A1012 is at least 300um; the measuring element 102 is composed of two fixed ends 1001, a measuring member 1021 and two supporting arms B1022, the two supporting arms B1022 are respectively opposite to the two ends of the measuring member 1021 The other ends of the two support arms B1022 are respectively connected to the two fixed ends 1001 to form a two-terminal device; the length of each support arm B1022 is at least ...
Example Embodiment
[0109] Embodiment 2: The heating element 101 and the measuring element 102 of the methane sensor based on a single heating element are arranged on the same side, such as image 3 Shown. Others are the same as in Example 1.
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