Abstract:
An electric heater, and an apparatus, a heating and air conditioning system and a vehicle, each comprising the electric heater, are provided. The electric heater comprises an outer frame; a heating core configured to connect to a power source and disposed within the outer frame; and a sealing-waterproof glue member disposed within the outer frame and configured to encase at least one end of the heating core. The heating core further comprises: a plurality of heat dissipating components and heating components arranged alternately, and each of the heat dissipating component is coupled with a heating component via a thermal conductor. Each of the heating components further comprises a core tube and a positive temperature coefficient thermistor disposed in the core tube.
Abstract:
An electric heater, and an apparatus, a heating and air conditioning system and a vehicle, each comprising the electric heater, are provided. The electric heater comprises an outer frame; a heating core configured to connect to a power source and disposed within the outer frame; and a sealing-waterproof glue member disposed within the outer frame and configured to encase at least one end of the heating core. The heating core further comprises: a plurality of heat dissipating components and heating components arranged alternately, and each of the heat dissipating component is coupled with a heating component via a thermal conductor. Each of the heating components further comprises a core tube and a positive temperature coefficient thermistor disposed in the core tube.
Abstract:
A positive temperature coefficient heating assembly includes a heating core (10) including a first metal electrode plate (2a), a second metal electrode plate (2b) and a plurality of PTC ceramic chips (1); an insulating layer coated on the heating core (10); and a metal tube (8); the PTC ceramic chip (1) includes a positive electrode layer, a negative electrode layer, and a ceramic sintered layer; a plurality of first limit grooves (21a) are formed in the first metal electrode plate (2a), a plurality of second limit grooves (2b) are formed in the second metal electrode plate (21b), a first end of each of the PTC ceramic chips (1) is embedded in one of the first limit grooves (21a), and a second end of each of the PTC ceramic chips (1) is embedded in one of the second limit grooves (21b).
Abstract:
A PTC electric heating assembly (2) is provided, including two electrode plates (23) and a PTC heating module (20) disposed between the two electrode plates (23), and comprising an insulation fixing frame (22) and a plurality of PTC heating elements (21), the insulation fixing frame (22) defining a plurality of fixing units (220) and the PTC heating elements (21) being disposed into the fixing units (220) respectively. An electric heating device with said PTC electric heating assembly (2) is provided, including a casing (1) defining a plurality of thermal conducting grooves (160) and a medium circulating cavity (12) hermetically isolated from the thermal conducting grooves (160), and a plurality of PTC electric heating assemblies (2) are mounted into the thermal conducting grooves (160) respectively. An electric vehicle with said electric heating device is provided.