초록 ▼

To provide for simplified and less expensive manufacture without extensive insulation of internal components of a control system with respect to the housing, particularly for electronic ignition and fuel injection control systems, digital and other automotive control electronic systems and the like,

To provide for simplified and less expensive manufacture without extensive insulation of internal components of a control system with respect to the housing, particularly for electronic ignition and fuel injection control systems, digital and other automotive control electronic systems and the like, a housing (1) of insulating plastic material has a connecting portion (2, 3) integrally formed therewith, which further include, integrally formed therewith, holding and engagement catches and slits (13, 15, 17-23; 62, 69) for a printed circuit board (41) carrying electronic network elements (42) such as transistors, capacitors, resistors, in integrated circuit form, or as discrete elements; and further a cooling device (24, 25; 56; 64; 73) in heat-conductive relationship to a power stage (43; 54; 65; 74) to dissipate heat generated within the power stage, and to transfer the heat over a large area surface connection either to a structural component carrying the entire control unit and/or to a sheet metal cover (49) snapped and crimped over the plastic housing (1) and, in sealed relation, closing off the entire structural unit.

대표청구항 ▼

Environmentally protected electronic network structure, particularly a control system for automotive vehicles, including a printed circuit board (41) and electrical and electronic circuit elements (42, 43, 65), at least some of which (43, 65) require cooling, having a housing (1) retaining said prin

Environmentally protected electronic network structure, particularly a control system for automotive vehicles, including a printed circuit board (41) and electrical and electronic circuit elements (42, 43, 65), at least some of which (43, 65) require cooling, having a housing (1) retaining said printed circuit board; a cover (49) closing off the housing, the electrical and electronic circuit elements being supported on the printed circuit board; a heat conducting element (24, 25; 73, 75) located in thermal transfer relation with respect to said at least some circuit elements requiring cooling to conduct heat therefrom; and an externally accessible multi-terminal connection socket (2) to provide externally accessible electrical terminals, wherein the housing comprises a unitary pan or tub-shaped element (1) of an electrically insulating plastic material; said printed circuit board (41) having a unitary projecting portion forming a projecting contact terminal strip (47); said housing being formed with a slit (3) through which said projecting terminal portion extends, and further being formed with a plug receiving portion externally of the slit and adjacent the projecting portion (47) of the printed circuit board, with clearance, to permit engagement with a plug connector for the terminals of the terminal strip on the printed circuit board; said unitary plastic element being further formed with internal locating means for positioning and holding the printed circuit board (41) therein; being additionally formed with an internal attachment means (23, 62, 69) for attachment, in heat transfer relation, of said heat conducting element (24, 25; 73, 75); and being additionally formed with external attachment means (13, 15) for attachment of the housing to a support structure on the vehicle; and wherein said cover (49) comprises a metal lid secured to said housing element (1) and closing off the pan or tub-shaped element, while providing for radiation of heat generated by the electrical and electronic elements positioned within the housing.