SU625263A2

SU625263A2 - Magnetically-controlled hermetically sealed contact

Info

Publication number: SU625263A2
Application number: SU772464305A
Authority: SU
Inventors: Виктор Евграфович Мандравин; Иван Петрович Иванов
Original assignee: Предприятие П/Я А-7374
Priority date: 1977-03-21
Filing date: 1977-03-21
Publication date: 1978-09-25

Description

Изобретение относитс к области низковольтного аппаратостроени , а именно к конструкци м магнитоуправл емых герметизированных контактов (герконов) и вл етс усовершенствованием известного геркона l} .The invention relates to the field of low-voltage apparatus, namely, to designs of magnetically controlled sealed contacts (reed switches) and is an improvement of the known reed switch l}.

Из основного авт.св. № 396-736 известен замыкающий герметизированный магнитоуправл емый контакт, нашедший свое применение в р де электрическихFrom the main auth. No. 396-736 a closing hermetically sealed magnetically controlled contact is known, which has found its use in a number of electrical

аппаратов: реле, датчиках и др. Этот геркон содержит неподвижный :контакт, укрепленный на ферромагнитной пластине (магнитопроводе), котора имеет участок с уменьшенным сечением, напротив которого на подвижной контактной пружине расположен корь, управл ющий подвижным контактом,devices: relays, sensors, etc. This reed switch contains a stationary: contact, mounted on a ferromagnetic plate (magnetic core), which has a section with a reduced cross section, opposite which on the moving contact spring there is a measur that controls the moving contact,

Геркон реализует только функцию замыкающего контакта. Дл получени The reed switch realizes only the function of the closing contact. To obtain

размыкающего контакта на базе замыкающего геркона необходимо применение посто нного магнита или двухобмоточной катушки . Это обсто тельство ограничивает область применени замыкающих герконовAn opening contact based on a closing reed switch requires the use of a permanent magnet or double-wound coil. This circumstance limits the field of application of locking reed switches.

поскольку в схемах автоматики и управлени чаще всего необходим переключающий геркон, совмешаюший в себе функции контактов на размыкание и замыкание.since in the schemes of automation and control, a switching reed switch is most often necessary, which combines the functions of contacts to open and close.

Цель изобретени - расширение функциональных возкюжностей геркона по основному изобретению, а именно, получение контакта на переключение.The purpose of the invention is to expand the functional capabilities of the reed switch according to the basic invention, namely, to obtain a contact for switching.

Это достигаетс тем, что магнитоуправл емый герметизированный контакт снабжен дополнительным неподвижным контактом, расположенным на ферромагнитной пластине, дополнительным подвижным контактом, BbmonHekHHM в виде плоской пружины, укрепленной в торце баллона , и образующим с дополнительным неподвижным контактом размыкающую контактную пару, и толкателем, укрепленьЫ на коре, причем указанный толкатель установлен так, что при срабатывании магнитоуправл емого контакта, он воздействует на дополнительный подвижный контакт.This is achieved by the fact that the magnetically controlled sealed contact is provided with an additional fixed contact located on a ferromagnetic plate, an additional moving contact, BbmonHekHHM in the form of a flat spring fixed at the end of the cylinder, and forming a contact pair with an additional fixed contact and a push rod , moreover, the specified pusher is installed so that when a magnetically controlled contact is triggered, it acts on an additional moving contact.

Claims

The drawing shows the working layer no; Magnetic writing system; one of the possible variants. The closing contact of the switching reed switch is formed by a contact spring 1 and a ferromagnetic plate 2 (magnet wire). A pusher 3 passes through the opening of the plate 2, which holds the bark 4 to the contact spring 1. The opening contact of the switching reed switch is formed by a ferromagnetic plate 2 and an additional contact spring 5. The pusher 3 is made of insulating or conductive material, but with mandatory insulation the part of it which is adjacent to the contact spring 5, its insulation can be made in the form of a glass bead. As the material of the pusher can be recommended kovar, having good weldability with glass. Switching sealed contact works as follows. At a certain value of the control magnetic field of the coil (permanent magnet), the bark is attracted to the magnetic conductor, the short is the open contact formed by the magnetic conductor and the main contact spring, and. pusher opening a closed contact formed by an additional contact spring and magnetic core. When released, the processes proceed in the reverse order. The invention will significantly expand the field of application of reed switches by expanding its functionality. In comparison with the known switching reed switches, the proposed reed switch is distinguished by high sensitivity, simplicity of design and manufacturing technology, as well as high switching power. Formula of the invention Magnetically controlled sealed contact by author. No. 396736, characterized in that, in order to expand the functionality, it is provided with an additional fixed contact located on a ferromagnetic plate, an additional movable contact made in the form of a flat spring fixed at the end of the balloon and forming a contact pair with an additional fixed contact, and a pusher mounted on the bark, with the said pusher mounted so that when the magnetically controlled contact is triggered, it acts on the additional moving contact. Sources of information taken into account when examining: 1. Copyright svededelstno USSR № 396736, cl. H O1 H 1/66, 1971.