PTC electric heating assembly, electric heating device and electric vehicle
AssigneeBYD Company Limited
InventorsMengxiang Wu, Maolin Ren, Tianyou Deng, Shumin Wang, Xiaofang Li, Hongmei Qiu, Xinping Lin
Life of this patent
Estimating the term…
Abstract
A PTC electric heating assembly, an electric heating device and an electric vehicle are provided. The PTC electric heating assembly (2) comprises 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.
Claims14
A PTC electric heating assembly comprising:
- two electrode plates;
- a PTC heating module disposed between the two electrode plates;
- and
- a contact electrode disposed between the PTC heating module and each of the electrode plates, wherein the PTC heating module includes:
- an insulation fixing frame defining a plurality of spaces;
- and
- a plurality of PTC heating elements disposed in the spaces respectively.
An electric heating device comprising:
- a casing defining a plurality of thermal conducting grooves and a medium circulating cavity hermetically isolated from the thermal conducting grooves, the medium circulating cavity defining a medium inlet and a medium outlet;
- and
- a plurality of PTC electric heating assemblies mounted into the thermal conducting grooves respectively, each PTC electric heating assembly including:
- two electrode plates;
- a PTC heating module disposed between the two electrode plates;
- and
- a contact electrode disposed between the PTC heating module and each of the electrode plates, wherein the PTC heating module includes:
- an insulation fixing frame defining a plurality of spaces;
- and
- a plurality of PTC heating elements disposed in the spaces respectively.
An electric vehicle comprising:
- an air conditioning system employing an electric heating device, the electric heating device including:
- a casing defining a plurality of thermal conducting grooves and a medium circulating cavity hermetically isolated from the thermal conducting grooves, the medium circulating cavity defining a medium inlet and a medium outlet;
- and
- a plurality of PTC electric heating assemblies mounted into the thermal conducting grooves respectively, each PTC electric heating assembly including:
- two electrode plates;
- a PTC heating module disposed between the two electrode plates;
- and
- a contact electrode disposed between the PTC heating module and each of the electrode plates, wherein the PTC heating module includes:
- an insulation fixing frame defining a plurality of spaces;
- and
- a plurality of PTC heating elements disposed in the spaces respectively.
Dependencies are inferred from the claim text.