SU1427587A1 - Linear distributor - Google Patents

Abstract

The invention relates to electrical contact switches and can be used in devices that restart alternate automatic switching of electric circuits in a predetermined sequence after a single start. The purpose of the invention is to increase reliability by eliminating failures. The distributor 7 contains relays 1 and 2 with the closing and opening contacts, the starting push-button switch 3, the control buses 4 and 5, the off relay 6 with the breaking contact, and the power bus 7 and 8. The execution of the distributor ensures that it is put into operation in any condition of buses 4 and 5, its ratio is not affected by the ratio X-C of relays 1 and 2, nor the duration of the switch 3 in the on state. By replacing the switch 3 with a toggle switch, cyclic operation can be ensured, and the introduction of a breaker into the supply circuit of the winding of the relay 6 ensures that the operation stops at any time without turning off the power supply. 1 il. (About LEOS

Description

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The invention relates to contact switches of electrical circuits and can be used in devices carrying out alternate automatic switching of electric cKKX circuits in a predetermined sequence after a single start.

- The purpose of the invention is to improve reliability by eliminating failures.

The drawing shows a structural-electrical diagram of the distributor.

The distributor contains in each cell the main relay 1 with the first closure 1.1 and the second closing 1.2 contacts, an additional relay 2 with the first closing 2.1 and the second closing 2.2.contacts, and in each cell, except the first, which opens the contact 1.3.main relay 1, as well as the start button switch 3, the first 4 and second 5 control buses, the off relay 6 with disconnecting contact 6.1 and power supply 7 and 8.

The distributor works as follows.

Suppose that the clock signals periodically arrive at the control buses 4 and 5, which consists in alternately connecting them to the power bus 7.

The distributor is started in operation by pressing the start pushbutton switch 3. At the same time, the winding of the main relay 1 of the first cell is connected to the power bus 7 through the contacts of the start pushbutton switch 3 and the series-connected closed opening contacts 1.3 of the main relays of all cells and the closed disconnecting contact 6.1 relay 6. The main relay 1 of the first cell is blocked by its first closing contact 1.1, and also closes its second closing contact 1.2, connecting the winding of the additional relay 2 The first cell with the first control wiring 4. If the first control wiring 4 is in this period of time under voltage, then the auxiliary relay 2 of the first cell actuates and blocks with its first closing contact 2.1, and also connects the coil of the main relay 1 of the next cell with the second control bus 5 with its second make contact 2.2. In the next TajcTj when the first control bus

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4 will be de-energized, and the second control bus 5 will come off under voltage, the main relay 1 of the second cell will turn on, which will also lock its first normally open contact 1.1 and disconnect the windings of both relays of the first cell from the power bus 7, open its break contact 1.3. In this way, cell switching is performed. If at the moment of starting the distributor to operate under voltage, instead of the first control bus 4, the second control secret 5 appears, then after the main relay 1 is turned on, the additional relay 2 will be activated only after the arrival of the preparatory clock signal, i.e. after the supply voltage is switched from the second control bus 5 to the first control bus 4, with the result that the valve operates in the same way as described.

When the last cell is turned on, during the next clock cycle, when the voltage is applied to the second control bus 5, the winding of the switching relay 6 turns on. This relay opens its contact 6.1 and turns off the last and all other cells from the power bus 7, disconnecting itself. At this point, the work cycle of the distributor ends.

The proposed distributor improves the reliability of operation by eliminating the possibility of failures. Thus, the valve can be put into operation in any condition of control buses 4 and 5, its performance is not affected either by the ratio of the characteristics of the main 1 and additional 2 relays, or the duration of the start of the push-button switch 3 in the on state.

In addition, replacing the start button switch 3 with a toggle switch can ensure cyclical operation, and introducing a breaker into the power circuit of the winding of the switching relay 6 ensures that the operation stops at any time without turning off the power source.

F. formula of invention

A relay distributor, containing in each cell a main relay with a disconnecting and first closing contour.

cycles, an additional relay with a first closing contact, as well as control buses, power buses, and a start-up pushbutton switch, so that, in order to increase reliability by eliminating faults, a shut-off relay with a break contact is introduced into it, and each cell contains the second closing contacts of the main and auxiliary relays; in each cell, the first output winding of the main relay is connected via its own first contact, in series, and the first closing contact of the additional relay with It is connected with the first winding of the auxiliary relay, which is connected to the first control bus through the second closing contact of the main relay, the first winding terminal of the main relay of each cell, except the first, is connected to the second control through the second closing contact of the previous relay bus, the common point of connection of the first closing contacts of the main and additional relays of each cell, except the first one, is connected via the opening contact of the main relay to the common point of connection of the first closing contacts The main and additional relays of the previous cell and the common connection point of the primary contact contacts of the first cell are connected to the first side of the main relay coil by means of the start button; the common connection point of the first closing contacts of the main and additional relay of the last cell is connected to the disconnecting switch of the last cell. one power bus, and the other power bus is connected to the second outputs of the windings of the main and auxiliary relays of all cells and the first voltage of the winding of the relay off The second terminal of which is connected via the second closing contact of the additional relay of the last cell to the second control bus.

Claims (1)

Claim A relay distributor containing in each cell a main relay with an opening and a first closing contact. cycles, an additional relay with a first make contact, as well as control buses, power buses, and a start push button switch, which means that, in order to increase reliability by eliminating failures, a shutdown relay with an opening contact is introduced into it, and in each cell - the second make-up contacts jq of the main and auxiliary relays, in each cell the first output of the main relay winding through series-connected own first make contact and the first make contact of the additional relay soy inen with the first output of the auxiliary relay windings, which is connected to the first control bus via the second make contact of the main relay, the first output of the main relay winding of each cell, except the first, is connected to the second bus, the common point of connection of the first make contacts of the primary and secondary relays of each cell, except the first, through the NC contact of the main relay is connected to the common point of connection of the first make contacts the main and additional relays of the previous cell, and the common point of connection of the first make contacts of the first cell through the start push-button switch is connected to the first terminal of the main relay winding, the common point of connection of the first make contacts of the main and additional relay of the last cell through the make contact of the shutdown relay is connected to one bus power supply, and the other power bus is connected to the second terminals of the windings of the main and additional relays of all cells and the first terminal of the winding of the shutdown relay, second whose output terminal is connected to the second control bus via the second make contact of the additional relay of the last cell.