JPH0459115U

JPH0459115U -

Info

Publication number: JPH0459115U
Application number: JP10105190U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-21

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す側断面図、
第２図は第１図のケース内に絶縁樹脂が充填され
る前の左側面図、第３図はこの考案の別の考案の
一実施例を示す側断面図、第４図は第３図のケー
ス内に絶縁樹脂が充填される前の左側面図、第５
図は内燃機関用点火装置の電気回路図、第６図は
従来の内燃機関用点火装置の側断面図、第７図は
第６図のケース内に絶縁樹脂が充填される前の左
側面図である。図において、１はパワートランジスタ、２は一
次コイル、４は電流制限回路部、７は二次コイル
、８は鉄心、３０，４０は放熱板、３１はケース
、３２はＩＣパツケージ体である。なお、各図中
、同一符号は同一または相当部分を示すものであ
る。 FIG. 1 is a side sectional view showing an embodiment of this invention.
Fig. 2 is a left side view of the case shown in Fig. 1 before it is filled with insulating resin, Fig. 3 is a side sectional view showing an embodiment of another invention of this invention, and Fig. 4 is a view of Fig. 3. Left side view before the case is filled with insulating resin, No. 5
The figure is an electric circuit diagram of an ignition system for an internal combustion engine, Figure 6 is a side sectional view of a conventional ignition system for an internal combustion engine, and Figure 7 is a left side view of the case shown in Figure 6 before it is filled with insulating resin. It is. In the figure, 1 is a power transistor, 2 is a primary coil, 4 is a current limiting circuit, 7 is a secondary coil, 8 is an iron core, 30 and 40 are heat sinks, 31 is a case, and 32 is an IC package body. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] (1) In an ignition system for an internal combustion engine in which a power switch and an ignition coil are integrated to supply the primary current to the ignition coil intermittently, a case containing the ignition coil is provided. An ignition device for an internal combustion engine, characterized in that an IC package body is provided in which the power switch is solidly sealed with resin, and a heat sink attached to the IC package body is exposed to the outside air. (2) an iron core and a primary coil wound around this iron core;
In an ignition device for an internal combustion engine in which an ignition coil having a secondary coil and a power switch that intermittently energizes the primary current flowing through the primary coil are integrated, the power switch is installed in a case housing the ignition coil. An ignition for an internal combustion engine, characterized in that an IC package body solidly sealed with resin is disposed, a heat sink attached to the IC package body is exposed to the outside air, and the heat sink is connected to the iron core. Device.