Patent ID: 9578761
Date: 2017-02-21
CPC Classifications: B60R,H05K

Claim:
1. An electronic control unit comprising: a plate-shaped control board that includes an electronic control circuit mounted with electronic parts; a long pillar-shaped battery pack that receives a backup battery capable of constantly supplying electric power to the electronic control circuit; a fixing frame that includes a juxtaposing and mounting part on which the control board and the battery pack are mounted in a state of being adjacent to each other with a boundary line along a longitudinal direction of the battery pack therebetween, wherein the control board and the battery pack are fixed to the juxtaposing and mounting part; and a housing that includes an opening portion and a back side holding portion to accommodate the control board and the battery pack, wherein: the juxtaposing and mounting part of the fixing frame is inserted into the opening portion; the fixing frame is fixed to the opening portion; the back side holding portion holds the juxtaposing and mounting part at an inner back side of the housing opposed to the opening portion; the back side holding portion of the housing includes a protruding portion protruding toward the opening portion at a position away from a bottom surface of the housing on the inner back side of the housing; the juxtaposing and mounting part of the fixing frame includes a tip portion in a direction of the insertion of the juxtaposing and mounting part into the housing; and the tip portion has a curved shape that is urged from its upper side by a lower surface of the protruding portion and that is urged from its lower side by the bottom surface of the housing on the inner back side of the housing.