Patent ID: 9723754
Date: 2017-08-01
CPC Classifications: B60R,H01R,H02G,H05K

Claim:
1. A ground structure of a controller that is mounted in a construction machine and is provided with a case comprising: a plurality of heat release fins provided on a surface of the case; and a plurality of connector receiver holes for receiving a connector being provided on the surface of the case, wherein the surface is rectangular in a plan view, the surface having a pair of opposing long edges and a pair of opposing short edges, the plurality of heat release fins comprises comprise a first heat release fin and a second heat release fin mutually intersected at an intersection and disposed in a crossing direction, the first heat release fin and the second heat release fin are continuous with each other and are provided to define a T-shape in an entirety thereof, opposing first and second ends of the T-shape extending to the two long edges of the surface, respectively, and a third end of the T-shape extending to one of the pair of opposing short edges of the surface, the surface is defined thereon with: a pair of first connector disposition faces each comprising a corner defined by the intersection and facing one of the long edges and the one of the pair of opposing short edges; and a second connector disposition face provided outside an area defined by the first heat release fin and the second heat release fin and facing another one of the pair of opposing short edges of the surface, the plurality of connector receiver holes are provided on the pair of first connector disposition faces and the second connector disposition face, a height of the connector disposed on the first and second connector disposition faces is lower than a height of the first heat release fin and a height of the second heat release fin, a cable harness comprising a plurality of cables including a ground cable is connected to the connector received in at least one of the plurality of connector receiver holes, and a connecting portion for the ground cable to be connected is provided near said at least one of the plurality of connector receiver holes on the surface for the connector to be connected.