JPH0261040U

JPH0261040U -

Info

Publication number: JPH0261040U
Application number: JP14089388U
Authority: JP
Priority date: 1988-10-28
Filing date: 1988-10-28
Publication date: 1990-05-07

Description

[Brief explanation of drawings]

第１図は本考案の一実施例によるサージ吸収装
置を搭載したサージ吸収装置付き電磁継電器の全
体斜視図、第２図はコンデンサと抵抗とからなる
サージ吸収装置の回路構成例と励磁コイルへの接
続方法とを示す回路図、第３図はサージ吸収装置
の構造と電磁継電器の電磁石継鉄への装着方法と
を示す斜視図、第４図は本考案の一実施例による
構成のサージ吸収装置付き電磁継電器の背面図、
第５図は本考案によるサージ吸収装置の電磁石継
鉄への装着状態を示す平面図、第６図は従来の構
成例によるサージ吸収装置付き電磁継電器の構造
と大きさとを第４図のものと対比して示す背面図
である。１：励磁コイル、９：継鉄、９ａ：係止片、１
０：復帰ばね、１６：絶縁ベース、１２：電磁石
、２０：電磁継電器本体、３０：接点部組体、４
０：サージ吸収装置、４１：コンデンサ、４２：
抵抗、４４：リードフレーム、４５：ホールダ、
４５ａ：貫通孔。 Fig. 1 is an overall perspective view of an electromagnetic relay equipped with a surge absorber equipped with a surge absorber according to an embodiment of the present invention, and Fig. 2 is an example of the circuit configuration of a surge absorber consisting of a capacitor and a resistor, and an example of the circuit configuration for an excitation coil. 3 is a perspective view showing the structure of the surge absorber and the method of attaching the electromagnetic relay to the electromagnetic yoke. FIG. 4 is a surge absorber configured according to an embodiment of the present invention. Rear view of electromagnetic relay with
Fig. 5 is a plan view showing how the surge absorbing device according to the present invention is attached to the electromagnetic yoke, and Fig. 6 shows the structure and size of the electromagnetic relay with the surge absorbing device according to the conventional configuration example, which is similar to that shown in Fig. 4. It is a rear view shown for comparison. 1: Excitation coil, 9: Yoke, 9a: Locking piece, 1
0: Return spring, 16: Insulating base, 12 : Electromagnet, 20 : Electromagnetic relay body, 30 : Contact assembly, 4
0 : Surge absorber, 41: Capacitor, 42:
Resistor, 44: Lead frame, 45: Holder,
45a: Through hole.

Claims

[Scope of utility model registration request]

An electromagnet fixed to an insulating base and having a locking piece of a return spring protruding from a yoke, a contact assembly that opens and closes in response to excitation and demagnetization of an excitation coil of the electromagnet, a capacitor and a resistor, and the excitation In an electromagnetic relay comprising a surge absorption device connected between both terminals of a coil, the surge absorption device includes a lead frame on which a capacitor and a resistor are mounted respectively in the form of chip components, and a lead frame into which the locking piece can be press-fitted. With a surge absorbing device comprising a through hole and a holder made of a synthetic resin molded product that is integrated with the lead frame, and is fixed to the yoke by press-fitting the locking piece into the through hole. Electromagnetic relay.