Water and oil temperature sensor for automobile and manufacturing method thereof
The technology of an oil temperature sensor and its production method, which is applied in the field of vehicle sensors, can solve the problems of easy breakage of the engine, crushing of the ceramic sensor head, inconsistent thermal expansion and cold contraction, etc., and achieve the effect of saving the production cost of the closure
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[0023] See Figure 1-2 As shown, the specific embodiments provided by the present invention are as follows:
[0024] An automobile water and oil temperature sensor of this embodiment includes an induction head housing 1, a ceramic induction head 2, two wires 3, a fixing nut 4 and a sheath assembly; two pins of the terminal of the ceramic induction head 2 21 are welded and fixed with two wires 3 respectively, such as connecting the pins and wires by resistance welding; the ceramic sensor head 2 and the two wires 3 are installed in the sensor head housing 1 and there is a gap between the sensor head housing, so The fixing nut is screwed to the tail of the induction head housing, and the outer wall of the tail of the induction head housing 1 is provided with mounting threads 5, and the sheath assembly is used to isolate two wires to insulate the two wires.
[0025] In a preferred embodiment, the ceramic sensor head and the sensor head housing include two protective layers in sequence...
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