JPH02122572U - - Google Patents

Description

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

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
図から第６図はそれぞれ第二実施例から第四実施
例における冷却作用説明図、第７図，第８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、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. Plan view, Figure 3 is a diagram explaining the cooling effect, Figure 4
6 to 6 are explanatory diagrams of the cooling effect in the second to fourth embodiments, respectively, and FIGS. 7 and 8 are plan views of cooling plates in which cooling fins are formed in the form of circular arcs and elongated holes. . In the figure, 1 is a vehicle generator, 9 is a rectifier, and 10
, 11 are cooling plates, 15 and 16 are diodes, 17
are cooling fins.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 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、上記軸芯方向に対し内側冷却板の少なく
とも内外何れか一方の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、上記冷却フイン側に偏寄し、かつ軸
芯方向外側の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。 A pair of metal cooling plates insulated from each other for positive and negative electrodes having a horseshoe-shaped flat plate shape, and a positive diode disposed on substantially the same radius as the positive electrode cooling plate;
and a negative electrode diode disposed on substantially the same radius as the negative electrode cooling plate, and the pair of cooling plates,
In a rectifying device for a vehicle generator in which diodes are stacked so that they are located on the same side with respect to the axis of the rotor, of the pair of cooling plates, an inner cooling plate with respect to the axis direction of the rotor is provided. cooling fins are formed on at least one of the inner and outer circumferential edges of the cooling plate, and the diode provided on the cooling plate on the inner side in the axial direction is biased toward the cooling fin side, and the outer diameter of the cooling plate on the outer side in the axial direction 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.