Positive temperature coefficient (PTC) electric heater for electric automobile air-conditioning system
A technology for electric heaters and electric vehicles, applied in ohmic resistance heating parts, heating elements, heating/cooling equipment, etc., can solve the problems of inability to meet environmental protection requirements, complicated processes, and the adhesive is not easy to disassemble and repair. Overall stability and heat dissipation capacity, good mechanical strength, the effect of avoiding excessive temperature burnout
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[0015] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0016] Such as figure 1 As shown, the PTC electric heater of the present invention includes a heater frame 7, a PTC heating plate 10, heat dissipation fins 11, a connector 1 and a controller;
[0017] The frame body 7 is made of heat-resistant engineering plastics, and has a frame structure suitable for the size of an electric vehicle. It is composed of two frames that can be fastened to each other, and a plurality of frames are arranged evenly on both sides of the frame body 7 The spokes provide tension and improve the mechanical strength of the frame.
[0018] The PTC heating plate 10 is compos...
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