JPS5853345U

JPS5853345U - Electromagnetic device in magnetic contactor

Info

Publication number: JPS5853345U
Application number: JP14437081U
Authority: JP
Inventors: 岡戸　弘行; 大塚　重治; 野村　達衛; 史朗萩原; 貞次郎森; 村井　裕
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 1981-09-29
Filing date: 1981-09-29
Publication date: 1983-04-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来装置の概略構成図、第２図はその側面図、
第３図は操作コイル駆動回路を示す回路図、第４図は従
来装置の主回路通電電流による交流磁束の状態を示す図
、第５図Ａ及びＢは本考案に係る電磁石装置の固定鉄心
の一例を示す平面図−及び断面図、第６図Ａ及びＢは本
考案の他の実施例を示す平面図及び断面図、第７図は従
来装置と本考案装置との比較実験例を示す説明図、第８
図Ａ及びＢは本考案の更に他の実施集を示す平面図及び
断面図である。各図中、同一部材には同一符号を付し、１０ａ。１０ｂ及び１０Ｃは主回路電流通路、１２は固定接点、
１６は可動接点、２０は電磁石装置、２４は可動鉄心、
２８は固定鉄心、３２は操作コイル、４８は導体環であ
る。Figure 1 is a schematic configuration diagram of the conventional device, Figure 2 is its side view,
Fig. 3 is a circuit diagram showing the operating coil drive circuit, Fig. 4 is a diagram showing the state of AC magnetic flux due to the main circuit current of the conventional device, and Fig. 5 A and B are the fixed iron cores of the electromagnet device according to the present invention. A plan view and a cross-sectional view showing one example, FIGS. 6A and B are a plan view and a cross-sectional view showing another embodiment of the present invention, and FIG. 7 is an explanation showing an example of a comparative experiment between the conventional device and the device of the present invention. Figure, 8th
Figures A and B are a plan view and a sectional view showing still another embodiment of the present invention. In each figure, the same members are denoted by the same reference numerals, 10a. 10b and 10C are main circuit current paths, 12 is a fixed contact,
16 is a movable contact, 20 is an electromagnet device, 24 is a movable iron core,
28 is a fixed iron core, 32 is an operating coil, and 48 is a conductor ring.

Claims

[Scope of utility model registration request]

(1) It has a fixed contact and a movable contact for switching the main circuit, and an electromagnet device that moves the movable contact, and the electromagnet device has a fixed movable iron core connected to the movable contact and an operating coil wrapped around it. When the main circuit is turned on, an excitation current obtained by rectifying the alternating current power source is supplied to the operating coil, and after the main circuit is turned on, a small excitation current obtained by rectifying the above alternating current power source via a voltage dividing circuit is supplied to the operating coil. An electromagnet device in an electromagnetic contactor according to the above-mentioned structure, characterized in that the circumference of the armature surface of the fixed iron core is covered with a conductor ring.

(2) Utility Model Registration Scope of Claims In the device described in claim 1, the movable iron core is shaped like a ■, and the fixed iron core is shaped like a U, one of the fixed iron cores is wound with a magnetic leg E operation coil, and the other magnetic leg is wound with a An electromagnetic device in an electromagnetic contactor in which a conductor ring is provided on the leg. -(3) Utility Model Registration Scope of the Claims In the device according to claim 1, the movable core is type 1 and the fixed core is type E, an operating coil is wound around the central magnetic leg of the fixed core, and magnetic poles on both sides are wound. An electromagnetic device in an electromagnetic contactor provided with a conductor ring.