SU1394269A1 - High-voltage reed relay - Google Patents

Abstract

The invention relates to electrical engineering, specifically to a relay with magnetically controlled contacts. The purpose of the invention is to expand the functionality, increase the sensitivity to the control signal and increase the return rate, by having two short-circuiting high-voltage reed switches, the control windings of which are switched by a low-voltage miniature reed switch with a switching contact, and the specified relay is located in the zone the magnetic influence of any of these control windings. 1 hp f-ly, 2 ill.

Description

(L

WITH

The invention relates to electrical engineering, specifically to relays with magnetically controlled contacts (reed switches).

The purpose of the invention is to enhance the functionality, increase the sensitivity to the control signal and increase the return coefficient.

FIG. 1 shows a high-voltage reed switch, section; in fig. 2 - electrical circuit of the relay.

The high-voltage reed switch contains windings 1 and 2 controls, equipped with ferromagnetic cores 3 and 4 with pole nozzles turned in opposite directions. These windings are located in one plane, have parallel axes and are shifted in

this plane relative to each other, forming a step. Perpendicular windings

one

and asymmetrically with respect to them, connected in series high-voltage closing reed switches 5 and 6, thus, 4fo of the pole nozzle of the core of each winding is opposite one of the contact details of the corresponding hermetic coil: In the resulting windings of the cavities, capacitors 7 of spark-proof RC are located - chains (including, also resistors 8), shuntyrs ™ of the control windings, and an additional lnature, reed switch 9 with a switching contact. This relay is located in the zone of magnetic influence of the corresponding control winding 1 so that its longitudinal axis is perpendicular to the axis of the winding 1, and the interconnecting reed switch is asymmetrical relative to the axis of the core 3. Both fixed contacts of the relay 9 are connected to the extreme views.

windings 1 and 2 of the control, and the moving contact of this relay and the common connection point are connected to the poles of the external power source -. The own winding of the relay 9 is connected to the source of the control signal.

Instead of each reed switch 5 and 6, a group of similar reed switches can be used, arranged in a row and interconnected in pairs in the same way as reed switches 5 and 6.

High voltage isolation of control circuits from output circuits is provided by dielectric plates.

jj 10

25

- P

942692

10 (for example, from plexiglas), installed between the control windings and the reed switches, pouring the dielectric case with epoxy compound 11, using high-voltage cables 12.

The relay works as follows.

In the absence of a control signal to an external power source, a closed contact of relay 9 of winding 1 is obtained, the magnetic field of which keeps the reed switch 5 in the closed state. The closed reed switch 5 and the open reed switch 6 form in the output circuit ABC an analog of the switching contact that was in the initial state . The reed switch 9 is also located in the magnetic field dissipated by the winding 1, but due to the adjustable offset of the relay 9 relative to the core pole of the winding 1, it does not work from the floor of the winding 1.

When a control signal is applied to the winding of the relay 9, the reed switch of this relay is triggered by the sum of the magnetic fields of its own winding and winding 1, disconnecting the winding 1 and connecting the winding 2 to the external power supply. -When this the reed switch 5 is closed and the output switch 6 is closed ABC chains. At the same time, when winding 1 is disconnected, the strength of the magnetic field in the reed switch area of the relay 9 decreases, which is held in the on state only by the control signal. With a small decrease in the signal, the reed switch 9 returns to its original state, producing reverse, switching in the circuit.

20

35

Claims (2)

1. A high-voltage reed switch, comprising a case, a control winding and a high-voltage closing reed switch, separated from the winding by high-voltage insulation, characterized in that it is equipped with a second high-voltage switch to increase its functionality, increase sensitivity to the control signal and increase the return voltage. a closed reed switch, a second control winding, two cores with pole caps on one of their ends, two spark-proof RC circuits and a miniature low-voltage reed switch A new relay with a switching contact, the longitudinal axes of these cores with pole nozzles are parallel to each other and are in the same plane, the pole nozzles of the cores are turned in different directions, and the cores themselves are shifted relative to each other so that between the opposite pole side of each core and free cavities are formed in the wall of the housing, the control windings are placed on the respective cores, high-voltage reed switches are located each on the side of the pole nozzles perpendicular but the longitudinal axes of the cores are shifted asymmetrically relative to them in such a way that the pole nozzle of the core is opposite one of the contact details of the corresponding high-voltage closing reed switch, spark-free RC de kidneys and a miniature low-voltage reed switch with switching contact are located in these free cavities, The low voltage reed switch is located in the zone of magnetic influence on one of the control windings so that its longitudinal axis is perpendicular to the longitudinal axis of the winding laziness and intercontact 94269 The reed switch gap of the low-voltage reed switch is located asymmetrically with respect to the longitudinal axis of the control winding, the high-voltage closing reed switches are connected in series with the common point, the first terminals of the control windings are connected to a common point and connected to one of the external power supply terminals, and the second the terminals of each of the windings are connected to the corresponding fixed contact of a miniature low-voltage hermetic new relay, the movable contact of which is intended to be connected Neither to the second output of the external power source, the spark-proof RC circuits are connected in parallel to the windings of the control, and the control winding of the miniature low-voltage reed switch is designed to be connected to the control signal source. 2. Relay according to claim 1, characterized in that it is provided with 2n-reed switches, divided into two groups, each of which consists of located in a series of reed switches located in the zone of magnetic influence of the corresponding control winding and connected in pairs with reed switches of another groups.   . / / -.- ;.-...-.  | V-AJ -X. G. g-, -. 1Z ,: .cc / ./uhhDH/HTU 7 . LL UUUUUU I V) WUG  X- /,. at / SoQC J /SrSocXAAL.VVxSlgXyv v V .A / U t ffO V ShchSH.1 OS - about fig.g