SU1241469A1 - Pulse counter - Google Patents

Description

2. The counter according to claim 1, characterized in that, in order to expand the functionality by providing a reversal counting, it further comprises a second group of thyristors of each discharge relay, except for the last one, provided with additional contact groups with closing and switching contacts, and also the closing and switching contacts, the second output winding of the relay of each discharge, with the exception of the last and the penultimate one, connects the anode-cathode of the corresponding additionally introduced thyristor with the switching contact of the first contact group of the subsequent discharge relay, the control electrode of the additional thyristor connected to the power supply circuit of the relay of each given discharge through the closing and switching contacts of the additional contact group of the relay after 1

The invention relates to a pulse technique and can be used in various devices of discrete automation.

The aim of the invention is to simplify the device by reducing the body of contacts in the circuit of input pulses.

FIG. 1 is a schematic diagram of a meter; in fig. 2 - diagram of the counter, providing the possibility of reversible accounts.

The meter contains a relay 1.1 with a contact group 1.1.1, a relay 1.2 with contact groups 1.2.1 and 1.2.2, a relay 1.3 with contact groups 1.3.1 and 1.3.2, ..., a relay 1. (p-2) with contact groups 1. (n-2) .1 and 1. (n-2) .2, relay 1. (n-1) with contact groups 1. {n-1) .1 and 1. (n-1) .2, relay. П with contact groups 1.П.1 and 1.П.2, relay 1. (п + 1) with contact group 1. (п + 1) .1, thyristors 2.1, 2.2, ... , 2. (p-2), 2. (p-1), 2.P, 3 clock source, common bus 4, power supply bus 5, capacitor 6, dynistor 7 (not an essential element), source 3 clock pulses enter switch 8, capacitor 9 and rezi stop 10, the counter contains the input 11.

In addition, the pulse counter can contain additional contact groups 1.1.2 and 1.1.3, relay 1.1, additional contact groups 1.2.3 and 1.2.4 relay 1.2, additional contact groups 1.3.3 and 1.3.4 relay 1.3, additional contact groups 1.4.3 and 1.4.4 relays 1.4 ..., additional contact groups 1. (p-2} .3 and

the discharge, its discharge, is connected to the second newly entered input of the device; the control electrode of the thyristor connected to the power supply circuit of the second last discharge relay is connected via the closing and switching contacts of the additionally entered contact group of the first discharge relay to the second input of the device; the second output winding of the relay of each discharge, with the exception of the first and last, through the disconnecting and switching contacts of the additionally entered contact group of the relay of the previous discharge is connected to the closing contact of the first to the ontact relay group of its own discharge, the second output winding of the relay of the last and the penultimate discharge through the anode-cathode transition, respectively, of the thyristor, is connected to the break contact of the first contact group of the relay after / after the discharge.

1. (n-2) .4 relays 1. (n-2), additional contact groups 1. (n-1) .3 and 1. (n-1) .4 relays l. (NI), additional group ln 3 relays 1.P, as well as additional thyristors 12.1, 12.2, 12.3, ..., 12. (p-1) and in the source 3 clock pulses switches 13.1 and 13.2, resistors 14 and 15, capacitors 16 and 17, in addition , the counter is equipped with an additional input 18.

In accordance with FIG. 1 in the pulse counter containing n + 1 (where n 1, 2, ...) bits, in each of which the first output winding of the relay 1.1, 1.2, 1.3, ..., l. (Nl), 1.P , l. (n-fl) is connected to the common bus 4, the second terminal of the relay winding 1.2, 1.3, ..., l. (n-ljj i, n of each bit, except the first and the last, is connected to the closing contact of its first contact group 1.2.1, 1.3.1, ..., 1. (n-.)., 1.P.1, switching contact of the first contact group lli, 1.2.1, 1.3.1 and 1.P.1 relay 1.2, L3, ..., 1.p is connected to the opening contact of the first contact group of the relay 1.2, 1.3, 1.4, ..., l. (Nl) of the subsequent discharge, the switching contact, contact Noah group 1. (n + 1) .1 relay 1. (n + 1) of the last bit connected to the power supply bus 5, all bits except the first one contain a 2.1, 2.2, ..., 2. thyristor (n- 2), 2. (p-1), 2.P, last discharge - capacitor 6, thyristor anode 2.1, 2.2, ... 2. (p-2), 2. (p-1), 2.P each bit is connected to the second terminal of the winding of the relay 1.2, 1.3, ..., 1. (n-1)., 1.P, 1. (n + 1) of its bit, the cathode of the thyristors 2.1, 2.2, 1. ( p-2)

2. (nl) in all bits, except the last, is connected to the switching contact of the contact group 1.2.1, 1.3.1, ..., 1. (n-1) .1, 1.P.1 of the relay 1.2, 1.3, ..., l. (Nl), ln of its discharge, the cathode of the thyristor 9.p of the last discharge is connected to the switching contact of the first contact group ln of the relay of the previous discharge, the first output of the capacitor 6 is connected to the second output of the winding relay l. (n-fl) of the last discharge, second output of capacitor 6 to common bus 4, control electrode of thyristor 2.2, 2.3, ..., 2. (p-2), 2. (p-1) , 2.n of each bit, except the first one, through the closing and switching The switching contacts of the second contact group 1.2.2, 1.3.2, ..., 1. (p-2) 2 1. (p-1) .2, 1.P.2 relays 1.2.1, 1.3, ... , 1. (p-2) .1, l. (Nl), ln of the previous discharge is connected to the input 11 of the device, to which the control elec- trode 20 is connected through the closing and switching contacts of the contact group 1.1.1 to the 1.1 relay of the first discharge kind of first thyristor 2.1.

In addition, in accordance with FIG. 2, the pulse counter may additionally contain a second group of thyristors 12.1,

connected to the closing contact of the first contact group 1.2.1, 1.3.1, ..., 1. (n-1) .1, 1.P relay of its discharge, the second output of the relay winding 1. (n + 1) and ln the last and the penultimate bit through the transition of the anode of the corresponding thyristor 2.p, 2. (n-1) is connected to the opening contact of the first contact group 1. (n + 1) .1 relay l. (n-fl) of the last bit .

The pulse counter of FIG. 1 works as follows.

In the initial state shown in FIG. 1 when power is applied, relay 1.1 is triggered along the circuit — power bus 5, a series of switching and disconnecting contacts of contact groups 1 is consistent. (N + 1) .1, 1. (n-1) .1, ..., 1.3.1 1.2.1, relay winding 1.1, common bus 4. Contacts 1.1.1 are closed and the switch-on circuit of relay 1.2 is prepared from the pulse generated by source 3.

When the switch 8 is pressed by a current pulse passing through the capacitor 9, the thyristor 2.1 is turned on, which turns on the relay 1.2, which becomes self-blocking due to the contact group 1.2.1, while the relay 1.1 turns off.

, j j ly I and and I h ly for iL / yiiiiv iiiLjzi i Lj Lj .L.i, - .. - .-, ..j- .. .., .., j -. . ..

12.2, 12.3, ..., 12. (... n-l) relay 1.1, 1.2, 1.3, ..., Contact group contacts are closed

In each bit, with the exception of the last-1-2.1, and the turn-on circuit of the relay 1.3 is prepared, it is equipped with additional contact and so on (the time constant with value groups 1.1.2, 1.2.3, 1.3.3 , 1.4.3, ..., the pi of the charge of the capacitor 9 must be 1.P.Z. with closing and switching less than the switch-on time of the relay). With contacts, the second output winding of the relay returns the switching contact 8 1.1, 1.2, 1.3, ..., l. (Nl), ln of each to its initial position, a 9-digit capacitor, except the last one, is passed through the current limiting transmitted through the transition of the anode-cathode correspondent 10.

additionally entered ti-When n-th pressed the switch 8

resistors 12.1, 12.2, 12.3, ..., 12. (p-1) connect the current pulse passing through the con- nector with the switching contact of the first 35 capacitor 9, turns on thyristor 2.n, four of the contact group 1.2.1 , 1.3.1, ..., lnl is a cut which is provided by charge of the capacitor 1.2, 1.3 of the subsequent discharge, the control electrode of the additional thyristor 12.1, 12.2, 12.3, ..., 12. (p-1), included in the power supply circuit of the relay 1.1, 1.2, 1.3, ..., l. (nl) of each given bit through the closing and switching contacts of the additional contact group 1.2.3, 1.3.3, 1.4.3, ..., 1. P.Z relays 1.2, 1.3, 1.4, ..., ln the next bit is connected to in The second is the newly introduced input 18 of the device, 45 the holding relay l. (n-fl), the control electrode of the thyristor 2. (n-1) le 1. (n + 1) is turned off, the contact l. (n-fl )

Relay 1.1 closes and triggers, the relay 1.2 turn-on circuit is ready and the counter operates in the repeated cycle.

With forward pulse counting, the counter of FIG. 2 operates similarly to the counter described in FIG. 1, the pulses are generated by the switch 13.1.

When generating counting pulses using switch 13.1

40

6 until the switch-on voltage of the switch 7 is turned on. When the capacitor b reaches the switch-on voltage of the switch 7, it turns on by connecting the winding of the relay 1. (n + +1) to the capacitor 6. The relay 1 (n + 1) turns on its group 1. (n + 1) .1 is opened, the ln relay is turned off.

When lowering the capacitor 6 voltage to a level lower than that of the penultimate discharge connected to the power supply circuit of the ln relay through the closing and switching contacts of the additionally entered contact group 1.1.2, the relay 1.1 of the first discharge is connected to the second, additional input 18 of the device, the second the output of the winding of the relay 1.2, 1.3, ..., 1. (p-1), ln of each bit, with the exception of the first and last, through the opening and switching contacts of the additional-55, the thyristor, which is included in the contact group 1.1.3, is unlocked, chenn of a previous relay power circuit

1.2.4, ..., 1. (p-2) .4, 1. (p-1) .4 relay 1.1, 1.2, with respect to this switched on relay,

..., l. (n-l), l. (n-l) of the previous category and transfer of information to a younger one

connected to the closing contact of the first contact group 1.2.1, 1.3.1, ..., 1. (n-1) .1, 1.P relay of its discharge, the second output of the relay winding 1. (n + 1) and ln the last and the penultimate bit through the transition of the anode of the corresponding thyristor 2.p, 2. (n-1) is connected to the opening contact of the first contact group 1. (n + 1) .1 relay l. (n-fl) of the last bit .

The pulse counter of FIG. 1 works as follows.

In the initial state shown in FIG. 1 when power is applied, relay 1.1 is triggered along the circuit — power bus 5, a series of switching and disconnecting contacts of contact groups 1 is consistent. (N + 1) .1, 1. (n-1) .1, ..., 1.3.1 1.2.1, relay winding 1.1, common bus 4. Contacts 1.1.1 are closed and the switch-on circuit of relay 1.2 is prepared from the pulse generated by source 3.

When the switch 8 is pressed by a current pulse passing through the capacitor 9, the thyristor 2.1 is turned on, which turns on the relay 1.2, which becomes self-blocking due to the contact group 1.2.1, while the relay 1.1 turns off.

  - .. - .-, ..j- .. .. „, .. j -. . ..

the current pulse passing through the capacitor 9 turns on the thyristor 2.p, through which the capacitance holding the relay l. (n-fl) is charged, relay 1 (n + 1) is turned off, contact l. (n-fl)

6 until the switch-on voltage of the switch 7 is turned on. When the capacitor b reaches the switch-on voltage of the switch 7, it turns on by connecting the winding of the relay 1. (n + +1) to the capacitor 6. The relay 1 (n + 1) turns on its group 1. (n + 1) .1 is opened, the ln relay is turned off.

With a decrease in the capacitor 6 voltage to a level lower than 1241469.

five

discharge. Let the relay 13 be turned on. When the 1.2.1 group is open, the relay 1.3 is pressed and the switch 13.2 is turned on and through the contact group 12.1

thyristor 12.2, including relay 1.2. Contact relay .2 becomes self-blocking.

if .r

(rig 2

Claims (2)

PULSE COUNTER containing η + 1, where η = 1, 2 ... bits, in each of which the first output of the relay winding is connected to a common bus, the second output of the relay winding of each discharge, except the first and last, is connected to the make contact of its first contact group, the switching contact of the first contact group of each discharge category of the relay, except the last, is connected to the opening contact of the first contact group of the relay of the subsequent discharge, the switching contact of the contact group of the relay of the last discharge is connected to the bus 4> —— 7- (PT1) ΐ (η + ι) .1 l € F. € O »e? H Af 13G supply, all discharges except the first one contain a thyristor, the last discharge contains a capacitor, the thyristor anode of each discharge is connected to the second terminal of the relay coil of its discharge, the thyristor cathode in all discharges except the last one is connected to the switching contact of the first contact group of its discharge relay, the thyristor cathode of the last discharge is connected to the switching contact of the first contact group of the relay of the previous discharge, the first capacitor terminal is connected to the second terminal of the relay coil of the last discharge, the second conden sator - with a common bus, characterized in that, for simplicity, the control electrode of the thyristor of each category is connected to the input of the device through the make and change contacts of the second contact group of the relay of the previous discharge, to which the control device is connected through the make and switch contacts of the contact group of the relay of the first category electrode of the first thyristor. LU ”-) -1- 2.P 2. (p-1) .fn-2) 1241469 A1 1.2.1 1 I L -1 2.2 g Figure 1 2. Counter by π. 1, characterized in that, in order to expand the functionality by providing a reversible count, it additionally contains a second group of thyristors for relays of each category, with the exception of the last one, equipped with additional contact groups with closing and switching contacts, as well as closing and switching contacts, the second the output of the relay coil of each discharge, with the exception of the last and penultimate, through the anode-cathode junction of the corresponding additionally introduced thyristor is connected to the switching to a contact of the first contact group of the relay of the subsequent discharge, the control electrode of the additional thyristor included in the power supply circuit of the relay of each given discharge through the closing and switching contacts of the additional contact group of the relay after the blowing discharge, is connected to the second newly introduced input of the device, the control electrode of the thyristor included in the power circuit the penultimate discharge relay through the closing and switching contacts of the additionally entered contact group, the relay of the first category is connected to the second input the device’s house, the second terminal of the relay coil of each discharge, with the exception of the first and last, through the opening and switching contacts of the additionally entered contact group of the relay of the previous discharge, connected to the closing contact of the first contact group of the relay of its category, the second terminal of the relay coil of the last and penultimate discharges through the anode junction —The thyristor cathode, respectively, is connected to the opening contact of the first contact group of the relay of the last discharge.