SU1338067A1 - Decimal counter - Google Patents

Abstract

The invention relates to pulsed tech} (ike and can be used in pulse counting devices while maintaining information when power is removed. The purpose of the invention is to improve the reliability of ten meters on the counter - to achieve new functions by introducing new functions between the circuit elements of the meter according to the scheme shown in the drawing. In the drawing for now: for {s the following circuit elements: relay I, relay Addition 2, Subtraction 3 relay, frequency divider 4 into two, initial setting node 5, discharge relays 6.1-6.10 and Including 1 and disconnecting O windings. Diodes 7-16, closing contacts 17.1-17.10, forward counting bus 18. Second group of diodes 19-28 and closing contacts 29.1-29.10, counting bus 30, counting buses 31 and 32. Third and the fourth group of diodes 33-42 and 43-52, thyristors 55 and 56, making contacts 53, 54 and 58, opening contacts 57, switching contacts 59, resisor fc; diodes 75 and 76. Included: Frequency inputs are a two-winding relay. f) 1 diodes 62 and 63, which are terminally connected in parallel, closing 64 and opening 65 contacts of relay 1, resis 1 (. p 60, contacts making 67 and 68, pins 69 and 70, switching 71, 72 and 73, capacitor 74. Node 5 contains button 77, diodes 78-88 and button 77, by pressing which the meter circuit is reset the 3 P . f-JP, l, 1 Il. (L oo oo 00 o a

Description

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The invention relates to a pulse technique and can be used in pulse sampling devices — i — a with the preservation of information when power is removed.

The aim of the invention is to increase the reliability of the decimal counter.

The drawing shows a schematic diagram of a decimal counter.

The counter contains an input relay 1, a relay 2 Addition, a relay 3 Subtraction connected to the positive power supply bus, a divider 4 frequencies into two, an initial setting node 5, and discharge relays 6.1-6.10 containing on and off O windings. Remote relays with two stable states are used as relays with on and off windings. The start of the switching winding of each bit relay through diold, 7–16 and closing contacts 17.1, 17.2– 17.9, 17.10 of the previous discharge relay is connected to the row 18 of direct counting, and through diodes 19–28 and closing contacts 29.1, 29.2, 29.3- 29.10 the next bit relay is with a counting bus 30. Koin.ijbi including coils of odd relays are connected to nepBOli with a counting length of 3 1, even with the second cMCTHoi; G1INOK 32. The start of the switching winding of each of the discharge relay through diodes 33-42 and the closing contact 17.2-17.10, 17.1 of the next relay is connected to 18 of the direct counting, and through the diodes 43-52 and the closing contact 29.10, 29.1- 29.9 of the previous relay - from the reverse 11 30 bus. I luHi.i forward 1B and reverse 3 counts are connected to the positive supply source through the make contacts 53 and 54 respectively, the relay Addition and the relay 3 Subtraction.

The first 31 and second 32 counting buses are connected to the anodes of the first 55 and second 56 thyristors, the control electrodes of which are connected respectively to the opening 57 and the closing contacts 58 of the divider 4 frequency relay to two, the switching contact 59 of which through the resistor 60 is connected to the minus power source. The cathodes of the thyristors 55, 56 and KOHiu are also connected to the minus 11 power supply source, they switch off the coils of the 1x1x relay 6.1-6.10. In the divider

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4 frequencies for two two-winding relays 61 with oppositely connected diodes 62, 63 in parallel circuits of its windings through series-connected 64 and 1 by 1 dimensions1 11Y 65 contacts of input relay 1 and resistor 66 are included in the diagonal of the bridge formed by two dep, 67, 67, 68 and Q with two tripping 69, 70 contacts for switching contacts 71, 72 of the same two-winding relay 61.

A capacitor 74 is connected to the junction point of the windings of the relay 61 and to the switching of the sliding contact 5 73 of the input relay 1. The switching contact 71 of the relay-61 is connected to the negative power supply, the switching contact 72 is connected via a diode 75 with a 18 counting current. diode 76 - from the backward counting}.

The initial installation unit 5 contains a button 77, the first output of which is connected to the positive source power source, and the second output is connected through the diode 78 with the switching-on winding of the first 6.1, the discharge relay, through the diodes 79-87 to the disconnecting switches. the windings of the remaining 6.2–6.10 relay relays and, through diode 88, with the start of the additional disconnect winding of the 4 frequency divider circuit, two, the end of which is connected to the negative power supply busbar.

The counter works as follows.

Suppose that when the supply voltage to the tires is turned on + and - the counter is in state 1, i.e. relay 6.1 is in the on state, its contacts 17.1, 29.1 are closed; Relays 6.2-6.10 are in the open state, contacts 17.2-17.10 and 29.2-29.10 are open. The relay 61 of the 4 frequency divider circuit into two is in the disconnected state. Its break contact 59-57 is connected to the control electrode of the thyristor 55 of the first counting bus. For the direct pulse counting, the relay 2 Addition is turned on, its closing contact 53 connects the direct counting bus 18 to the positive terminal of the power source.

The capacitor 74 divider 4 frequency two charged across the circuit: 18 direct counting circuit, diode 75, opening contacts 72-70, 65-73, capacitor 74, resistor 66, opening contact 69-71, minus supply source

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PIA, t.j. with polarity - from the side of the reg istor 66. The first counting pulse turns on the input relay I, opens its contact 73-65, closes contact 73-64, the charged capacitor 74 is connected to the windings of the relay 61 splitter 4 frequencies into two and discharged along the circuit : capacitor plate 74, closing contact 73-64, diode 63, including coil 1, relay 61, - capacitor plate 74. 61 switches to the on state and switches its contacts 71, 72, to the charger. 1 contacts 71-67 and 72-68 pitch the circuit for the perosaride of the 74 p oCpaT) iok polarity capacitor, and with the closed ZU-58 contact, the control electrode of the thyristor 56 of the second counting bus 32 is turned on, the relay 6-2 goes along the following line: bus counting, closing contact 17.1, diode 8, including coil 1, relay 6.2, second type 32, thyristor 56, minus power supply. The contacts 17.2, 29.2 of the discharge relay 6.2 are closed, the relay 6.1 is disconnected according to the circuit: 18, direct contact, closing contact 17.2, diode 33, disconnecting the O switch 6.1, minus the power supply; is prepared for switching on the relay 6.3 On the circuit: direct counting, closure contact 17.2, diode 9, turning on the coil 1 of the relay 6.3, first counting 31. At the end of the counting them 1 time; capacitor 74 is recharged by

Circuit: forward counting bus 18, power supply diode 75, 40 connects the closing contact 72-68, resistor cd1na.ZO reverse counting. Upon arrival

the next counting pulse turns on the input relay I, opens its contacts 73-65, closes the contact 73-64, charges the capacitor 74 connected to the windings of the relay 61, the relay switches to the on state. Contacts 59-57 open, closes66, capacitor 74, open circuit; kt 73-65, closing contact 67-71, minus the power supply, i.e. with polarity + from the resistor side

66. When rioci rolls the second counting pulse, input relay 1 turns on again, its contact 73-65 opens,

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the contact 73-64 is closed, the charged capacitor 1; the attor 74 is connected to the windings of the relay 61; the circuit is discharged along the circuit: + capacitor plate 74, O relay 61, diode 62, closing contact 64-73, - capacitor plate 74. 1 switches to the first active off state. Quint, k1 39-58 opens. The conjugate closes 39-37 and the sub-cling is closed. thyristor 55 electrode first

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countable; buses 31. The relay 6.3 is turned on, its contacts 17.3, 29.3 are closed, the relay 6.2 is switched off along the circuit; bus 18 direct counting, closing contact 17.3, diode 34, disconnecting the relay O 6.2, minus the power source, is prepared to turn on the relay 6.4 on the circuit: closing contact 17.3, diode 10, on the coil I relay 6.4, the second counting bus 32 , thyristor 56, minus power supply. At the end of the second counting and myca, the input relay I is turned off, 5 is opened by its contact 64-73, contact 73-65 is closed, the capacitor 74 is charged with zeroity from the side of resistor 66.

Upon further switching, the input relay 1 similarly recharges and discharges the capacitor 74 to the windings of the relay 61 of the divider circuit 4 frequencies into two. 1 barely 61 switches with the arrival of each counting pulse. Moreover, the odd pulses correspond to the disconnected state of the relay 61, to the even ones - to on. The switching contact 59 alternately connects the first 31 and second 32 counting buses, the relay 6.1-6.10 alternately switches. With the arrival of the tenth pulse, the relay 6.1 is activated again To consider the operation of the counter. -L in the countdown mode, suppose that relay 3 Subtraction is energized at the moment when the discharge relay 6.3 is turned on. Then through the closed contact 54 of the relay 3 B1,1 reading to the plus 0

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pins 59-58, the control electrode of the thyristor 56 of the second counting bus 32 is connected, the relay 6.2 is connected via the following circuit: o6piiTHoro count 30 bus, closing contact 29.3, diode 20, turning on coil 1 relay 6.2 second counting bus 32, thyristor 56, minus power supply, relay 6.3 is disconnected in the circuit: countdown, closing contact 29-2, diode 43, disconnecting coil O relay 6.3, minus

power supply is prepared for switching on the relay 6.1 through the circuit: and; inversely counting 30, closing contact 29.2, diode 19, including coil 1 relay 6.1, first counting bus 31, thyristor 55, min. power supply bus.

At the end of the counting pulse

input relay 1 is turned off, condensation - IQ with a minus power supply bus,

torus 74 is charged with polarity from the side of resistor 66, etc. Under the counting pulses, alternating switching of the 6.1-6.10 discharge relays occurs in the reverse counting sequence.

After counting the required number of counting pulses of the relay, Addition and Subtraction are turned off, the windings of the discharge relays are de-energized. Q The counter remains in the state corresponding to the last counting pulse.

Setting the counter circuit to its initial state is performed by pressing button 77. In this case, the relay 61 of the 4 frequency divider circuit switches to the disconnected state along the circuit: button 77, diode 88, disconnecting coil O of the relay 61, minus power supply bus. The discharge relay 6.1 translates to the on state along the circuit: button 77, diode 78, turning on relay 6.1, first counting

coil

a capacitor connected between the common connection point of the relay coils and the changeover contact of the input relay, characterized in

15 that, in order to increase the reliability of the meter, the start of the tripping winding of each discharge relay is connected via a diode and a closing contact of a subsequent discharge relay to the forward counting bus and through a diode and the closing contact of the previous discharge relay to a reverse bus counting, the start of the switching-on windings of the discharge relays is connected via diodes to the closing contacts of the previous and subsequent relays; the first and second counting buses are connected to the anodes of the first and second thyristors, the cathodes of which and the ends of the switching windings of the discharge the relays are connected to the minus bus of the power supply; in the frequency divider by two, the second switching contact of the relay of the frequency divider by two is connected via diodes to the direct and

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bus 31, thyristor 55, negative bus countdown, the beginning of an additional power source. The remaining discharge relays 6.2-6.10 are switched to the disconnected state along the circuit: button 77, diodes 79-87, disconnecting 1; e O winding 6.2-6.10, negative power supply bus.

Claims (2)

1. A decimal counter containing an input relay, a resetting node, forward and reverse counting buses connected to the positive power supply bus through the closing contacts of the relay, respectively. Addition and relay Subtraction, discharge relays, closing contacts, discharge the relay relays connected to the forward counting bus and the countdown bus, the ends of the switching windings of odd times and the relay are connected to the first counting bus, even even discharge relays to the second counting bus, the frequency divider by two, consisting of two windings a relay with oppositely connected diodes in parallel circuits of its windings through series-connected closing and opening contacts of an input relay and a resistor, which is connected to the diagonal of the bridge formed by two switching contacts of this relay, the first of which is connected a capacitor connected between the common connection point of the relay coils and the changeover contact of the input relay, characterized in that, in order to increase the reliability of the meter operation, the start of the tripping winding of each discharge relay is connected via a diode and a closing contact of the subsequent discharge relay to the direct counting bus and through a diode and the closing contact of the previous discharge relay to the reverse counting bus, the start including the windings of the discharge relays are connected via diodes to the closing contacts of the previous and subsequent relays, the first and second counting buses are connected to the anodes of the first and second thyristors, the cathodes of which and the ends of the disconnecting windings of the discharge the relay is connected to the negative bus of the power source; in the frequency divider by two, the second switching contact of the relay frequency divider by two is connected via diodes to the direct and The disconnecting winding of this pt-le is connected to the first output of the installation unit to its initial state, its end is connected to the minus power supply bus, to which the third switching contact of the frequency divider relay is connected via a resistor to two, and the closing and closing contacts of it are connected to to electrodes, respectively, of the first and second thyristors, the other outputs of the installation unit in the initial state are connected respectively with the start of the first winding and the beginning of the disconnecting operation of the remaining bit relays, and the input of the installation unit is connected to the positive power bus. 2. A counter in accordance with claim 1, characterized by the UI and also in that the installation unit in the initial state contains a button, the first terminal of which is connected to the input of the installation unit, the separating diode 71338067 dyes, the anodes of which are connected to the agrams of the unit of the installation in the initial state — by pushing the button, and the cathodes from the output.