JPH02122573U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は、本考案に係る車両用発電機における整
流装置の構造の実施例を示したものであつて、第
１図は車両用発電機の断面図、第２図Ａ，Ｂは各
冷却板の平面図、第３図は冷却作用説明図、第４
図は第二実施例における冷却作用説明図、第５図
Ａ，Ｂは第三実施例における各冷却板の平面図、
第６図はその冷却作用説明図、第７図は第四実施
例における冷却作用説明図、第８図、第９図は円
弧状、長孔状の冷却フインが形成された冷却板の
平面図である。 図中、１は車両用発電機、９は整流装置、１０
，１１は冷却板、１４は冷却フイン、１５，１６
はダイオード、１７は冷却フインである。 The drawings show an embodiment of the structure of the rectifier in the vehicle generator according to the present invention, in which FIG. 1 is a cross-sectional view of the vehicle generator, and FIGS. 2A and B are diagrams of each cooling plate. Plan view, Figure 3 is a diagram explaining the cooling effect, Figure 4
The figure is an explanatory diagram of the cooling effect in the second embodiment, and FIGS. 5A and B are plan views of each cooling plate in the third embodiment.
Fig. 6 is an explanatory diagram of the cooling effect, Fig. 7 is an explanatory diagram of the cooling effect in the fourth embodiment, and Figs. 8 and 9 are plan views of the cooling plate in which cooling fins are formed in the form of circular arcs and long holes. It is. In the figure, 1 is a vehicle generator, 9 is a rectifier, and 10
, 11 is a cooling plate, 14 is a cooling fin, 15, 16
is a diode, and 17 is a cooling fin.

Claims (1)

【実用新案登録請求の範囲】 １ 馬蹄形平板状をした正極、負極用の互いに絶
縁される一対の金属製の冷却板と、正極用冷却板
の略同一半径上に配設された正極用ダイオードと
、負極用冷却板の略同一半径上に配設された負極
用ダイオードとを有し、かつ上記一対の冷却板を
、それぞれに配されたダイオードがロータの軸芯
に対して同じ側に位置するよう積層させてなる車
両用発電機の整流装置において、前記一対の冷却
板のうち、上記軸芯方向外側の冷却板の内周縁部
に冷却フインを形成し、かつ内側冷却板の少なく
とも外周縁部に冷却フインを形成する一方、軸芯
方向内側の冷却板に設けられるダイオードは、外
側冷却板に設けられるダイオードよりも外周側に
偏寄していることを特徴とする車両用発電機にお
ける整流装置の構造。 ２ 第一請求項記載の整流装置において、前記一
対の冷却板のうち、前記一対の冷却板のうち、上
記軸芯方向外側の冷却板の内周に冷却フインを形
成し、かつ内側冷却板の少なくとも外周縁部に冷
却フインを形成する一方、軸芯方向内側の冷却板
に設けられるダイオードは、外側冷却板に設けら
れるダイオードよりも外周側に偏寄しており、か
つ外側冷却板の外径は、内側冷却板の外径よりも
小径であることを特徴とする車両用発電機におけ
る整流装置の構造。[Claims for Utility Model Registration] 1. A pair of metal cooling plates for the positive and negative electrodes which are in the shape of a horseshoe flat plate and are insulated from each other, and a diode for the positive electrode arranged on substantially the same radius as the cooling plate for the positive electrode. , and a negative electrode diode arranged on substantially the same radius as the negative electrode cooling plate, and the diodes arranged on each of the pair of cooling plates are located on the same side with respect to the axis of the rotor. In the rectifying device for a vehicle generator, the cooling fins are formed at the inner peripheral edge of the outer cooling plate in the axial direction of the pair of cooling plates, and at least the outer peripheral edge of the inner cooling plate is formed. A rectifying device for a vehicle generator, characterized in that cooling fins are formed on the axially inner side of the cooling plate, and diodes provided on the inner cooling plate in the axial direction are biased toward the outer circumferential side than diodes provided on the outer cooling plate. structure. 2. In the rectifying device according to the first claim, cooling fins are formed on the inner periphery of the cooling plate on the outer side in the axial direction of the pair of cooling plates, and While cooling fins are formed at least on the outer peripheral edge, the diodes provided on the cooling plate on the inner side in the axial direction are biased toward the outer circumferential side than the diodes provided on the outer cooling plate, and the outer diameter of the outer cooling plate The structure of a rectifier in a vehicle generator is characterized in that the diameter is smaller than the outer diameter of the inner cooling plate.