PROBLEM TO BE SOLVED: To extend a battery life by reducing the weight of a power-assisted vehicle.SOLUTION: This power-assisted vehicle driving module is provided with: a metal bracket 50 that has a top surface 55, first and second side surfaces 53 and 54, and an open part 56 at a lower end and that is attached to the lower part of a seat pipe 32; a metal case 60 in which a portion having the heat radiation part of a switching element 65 attached thereto, the switching element constituting a driving circuit, is provided to the open part 56, and housed and fixed in the bracket 50; an electronic component 67 that is lower than the switching element 65 and that constitutes the driving circuit; and a sealing resin 62 that is provided so as to set the head (or upper part) of the electronic component 67 lower than the head (upper part) of the switching element 65.SELECTED DRAWING: Figure 4
【課題】 電動アシスト車の重量を軽量化する事で、バッテリー寿命を延ばす。【解決手段】 シートパイプ32の下部に取り付けられ、上面55、第1側面53および第2側面54を有し、下端に開放部56を有する金属製のブラケット50と、駆動回路を構成するスイッチング素子65の放熱部が取り付けられた部位が、前記開放部56に設けられて前記ブラケット50内に収納固定された金属製のケース60と、前記駆動回路を構成し、前記スイッチング素子65よりも低背の電子部品67と、前記スイッチング素子65の頭部(またはその上部)より前記電子部品67の頭部(またはその上部)が低くなるように設けられた封止樹脂62と、を有する。【選択図】図4
POWER-ASSISTED VEHICLE DRIVING MODULE AND POWER-ASSISTED VEHICLE USING SAME
電動アシスト車用駆動モジュールおよびこれを用いた電動アシスト車
05.10.2017
Patent
Elektronische Ressource
Japanisch
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