Valeo Systemes Thermiques

Erwan Gogmos

Yann Couapel

Bertrand Puzenat

Jonathan Lefloch

The invention relates to an electronic interface housing () of an electrical heating device () for heating an airflow passing through, the electronic interface housing () being configured to house electronic components for controlling at least one heating element () fitted to the electrical heating device (), including at least one printed circuit board (), the electronic interface housing () comprising at least one rib () in contact with the printed circuit board () in a contact zone (), characterized in that the printed circuit board () comprises at least one water drainage opening () in the contact zone ().

Electronic interface housing for controlling an electrical heating device

The invention relates to a heating radiator () comprising a power supply module () and a heating body (), said power supply module () comprising a printed circuit board (), a plurality of electronic switches () and one or more connectors () for connecting to an external circuit, said printed circuit board () comprising a first zone () providing an electrical connection with the heating body (), a second zone () providing an electrical connection with the electronic switches () and a third zone () providing an electrical connection with the one or more connectors (), said first, second and third zones being located side-by-side in this order in a direction that is transverse to a plane in which the heating body () extends.

Power supply module for heating radiator and heating radiator fitted with such a module

The present invention relates to a method for detecting overheating of an electrical heating device comprising a plurality of resistive elements configured to be supplied electrically using a control signal by pulse width modulation according to a setpoint, comprising the following steps: —detecting the setpoint, —detecting the duty cycle (PWM_system; PWM_subsystem), —defining a threshold value for detecting the duty cycle according to the setpoint, or a value of at least one parameter for monitoring an incidence of overheating, —comparing the detected duty cycle value with the detection threshold value, and —detecting an incidence of overheating when the detected duty cycle value reaches the detection threshold value. The invention also relates to a corresponding control unit.

Method for detecting overheating of a heating device, and corresponding control unit

Heating devicefor an air conditioning unit, the said heating devicecomprising a heating bodypowered with current via a distribution unitto heat a flow of air passing through the said heating body, the heating bodycomprising an alignment of tubesin which there are: —heating elementsthrough which the said current passes; —electrodessituated on each side of the heating elementsin order to supply them with electrical current. This heating deviceis characterised in that the distribution unitscomprises an electrode housing stationhousing the electrodes, the said housing stationhaving a plurality of housingsto house the electrodesand in which there are means for mechanically and electrically connecting the electrodesto the distribution unit

Electric heating device with electrode housing station

The invention relates to a heating device () for an air-conditioning housing, said heating device () comprising a heating body () supplied with current for heating an air flow passing through said heating body (), said heating body () comprising heating elements through which said current passes and which are arranged in electrically insulated tubes () of the heating elements, said heating elements being controlled via a distribution unit (), said heating device () comprising means for earthing a plurality of metal elements distributed in the heating body () and the distribution unit (). Said heating device () is characterised in that said earthing means consist of a single earthing circuit which passes through the heating body () and the distribution unit () and is formed by arranging said metal elements in series with direct contact between said metal elements.

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Le Mesnil Saint Denis, France

Erwan Gogmos