SU900463A1 - Ring shifting counter - Google Patents

Description

The invention relates to a pulse technique and can be used in counting circuits. A counter is known that contains rel semiconductor devices, capacitors, and resistors. The disadvantage is complexity. Also known is a counter containing an input relay, a frequency divider for two, two counting buses, bit relays, diodes 2. The disadvantages of the meter are high power consumption, since its implementation requires multiple relays with three or more contact groups characterized by increased power consumption during operation compared to rel having a smaller number of contact groups, ceteris paribus x-, inoperability when powered by alternating current, as it contains polar elements (doids); unreliability in operation, as it contains a large number of elements that ensure the functioning of the meter and contains decoupling diodes connected in series with the relay windings, which are exposed to high voltages arising in the diode-winding circuit of the relay from the EMF with 1 inductance when the relay switches; complexity in implementation and operation, as it contains a large number of different types of elements (relays, diodes, capacitors, resistors) and, as a result, a large number of electrical connections, as well as a more complex structure. The aim of the invention is to reduce the consumption of power, to enable the counter to operate at constant or alternating current, to increase reliability and to simplify the ring-slip counter. 39 The goal is achieved by the fact that in a ring shifts a counter, containing an input relay, a frequency divider by two, whose input is connected to the contacts of an input relay, two counting buses, which are connected to the outputs of a frequency divider by two, discharge relays, windings through the closing contacts of the previous bit relays are connected to the counting buses, a switch switching control unit of the bit relays is introduced, in which the switching contact of each bit switch, except the first one, is connected to the break contact of the next relay, short circuit The contact contact of all bit relays, except the first and last, is connected to the windings of its relays, the opening contact of the second bit relay is connected to the winding of the first bit relay, the closing contact of the last bit relay is connected to the winding of its relay through the opening contact of the first bit relay and the switching contact is connected to the power rail. In FIG. 1 shows the principle on the scheme of a ten-ring annular shift counter; FIG. 2, are time charts of its operation (with an indication of the voltage on the corresponding circuit elements); Fig. 3 is a schematic diagram of an annular shift counter for n bits. An annular shift counter contains 1-W bit-type relays, each of which has two pins and, and, and, and, and, and, and, and, 19 (AND, and respectively. Two counting buses 21 and 22 are connected (To output relay divider 23 frequencies into two, which is made on relay 24 with contacts 25 1 and and on relay 26 with contact I. On the coils of the discharge relays 1 and 10 are connected to counting buses 21 and 22 via make contacts,, 12, 14 -1,,,,, respectively. The input of the relay splitter 23 frequency two connected to the contacts and the input relay, the winding 28 of which is connected to the input bus 34 and 35. The contacts of the discharge relays,,,,,,,,, are combined into a switching switching control unit 32 of the relay relays connected to the actuation of the discharge relays (1 through 10) and the power bus 30. The bus 3 I is common. Moreover, in the case of building a multi-digit counter, a third contact group of the discharge relay 10 is additionally used, connecting the bus 21 and the output terminal 33. The counter operates as follows. When a power supply appears on buses 30 and 31, the meter automatically takes up its initial position: all relays are turned off, with the exception of the first bit relay I, which is activated in the circuit: bus 30, break contacts,,,,,,,,, winding relay I, bus 31, and prepares to turn on the bit relay 2. When the first input pulse arrives on bus 34 and 35, the input relay 28 is triggered, which switches the contacts and. This leads to the formation of a current flow circuit through the winding of the 24G chic 30 relay, contact, contact, relay 24 winding, bus 31. Relay 24 is activated, self-locking along the circuit: bus 30, contact, contact, winding relay 24, bus 31, and its own contacts prepares a winding 26 for switching on. Switching the contact when the first pulse arrives does not cause changes in the device. After the end of the first pulse, the contacts and return to the initial position, which leads to the formation of the second self-blocking circuit of the relay 24: bus 30, contact 29, contact, relay winding 24, bus 31, and relay 26 actuation circuit: bus 30, contact, contact, winding relay 26, bus 31. After the relay 26 triggers, it self-locks the circuit: bus 30, contact,, relay coil 26, bus 31, and switches contacts, and relay 24 continues to be held in the on state by the second self-locking circuit: bus 30, contact, contact closure, winding relay 24, bus 31. When switched chenii contact discharge The battery relay is triggered by 2 Chains bus 30, the contact pins, the winding

five

relay 2, bus 31, which by a switching contact breaks the power supply circuit of the relay coil 1 and locks itself along the circuit: bus 30, contacts,,,,,,,,, winding relay 2, bus 31. As a result, the discharge relay 1 releases, opens contacts P 1 supply voltage to the counting bus 21 through node 32, and the discharge relay 2 is kept in the on state along the above self-locking circuit, preparing the contact to turn on the discharge relay 3. Thus, after passing the first counting pulse to the input. the counter, the bit relay 2 turns on, and the bit Noah relay 1 is turned off.

When a second signal arrives at the buses 34 and 35, the contacts re-switch and open the self-locking circuit of the relay 24: bus 30, contact, contact, winding the relay 24, bus 31, and form a second self-locking circuit of the relay 26: pin 30, contact, contact, the winding of the relay 26, the bus 31. Because of this, the relay 24 releases, and the relay 26 continues to be held in the on state. After the termination of the second signal (return of the contacts of the input relay 28 to the initial position), the self-blocking circuit of the relay 26 opens: bus 30, contact, contact, relay 26 winding, bus 31. Relay 26 is canceled, and the divider 23 of the signal frequency by two returns to the initial state corresponds to the state before the arrival of the first signal. By releasing the relay 26, the contact returns to its original position, switching the voltage from the counting bus 11 to the counting bus 22. A triggering circuit of the discharge relay 3 is formed: bus 30, contact, contact, relay 3 winding, bus 31, which operates, opens the circuit with contact supplying the winding of the relay 2 and forms a self-locking circuit of the relay 3: bus 30, contacts,,,,,,,, winding of the relay 3, bus 31. As a result, the relay 3 continues to be held in the on state by pin 13-1, preparing to turn on the relay 4 and relay 2 releases contact, open circuit voltage from

6

source through the node 32 to the counting bus 22. Thus, after passing the second counting pulse to the counter input, the discharge relay 3 is turned on, and the discharge relay 2 is turned off.

Similarly, after the passage of odd pulses, the discharge relays 4, 6, 8, and 10 will turn right & and after the passage of even pulses, the discharge relays 5, 7, and 9. After the passing of the tenth (of the even pulse, the discharge relay I, opening the contacts and turning off the relay 10, which sets the circuit to its initial state, corresponding to the state before the first pulse arrives at the input of the counter circuit. The pulses of the second ten and subsequent will cause similar changes to the counter circuit, i.e. at stake the target mode, the number of bit relays of which will determine the capacity of the counter (see Fig. 3). Thus, the node 32 controlling the switching of the bit relays, changes its state depending on the order of the number of input signal, controls the on and disconnecting the voltage to the windings of the discharge relays 1-10 and counting buses 21 and 22 directly from the power source via the bus 20 and provides the required algorithm for the operation of the discharge relays and isolating electrical circuits on the power supply.

The meter can also be used in multi-digit counting mode with different bases, multiples of two, for example, 4, 6, 16, etc. For transmitting signals on filling the low-order bit to the high-order bit, for example, contact 10 which closes after the reception of the 9th signal and opens after the passage of the 10th signal (see Figures I and 2).

Claims (2)

The ring shift meter can be implemented on a relay having two groups of contacts. To implement the known device, bit relays with a large number of groups are required, or the use of two relays connected in parallel with two groups instead of one relay is used. Since in order to ensure the functioning of a relay with a large iM number of contact groups, at other 79 equal conditions, a large power consumption is required, therefore, in any embodiment of the known device, a relay with a large number of pejie contacts or doubling the number relays with two contact groups, —the power consumed by them will be greater than that of the considered annular shift counter. Since it uses neutral contact relays (a relay of constant or alternating current) and for its realization does not require the use of polar elements, these meters can be powered either by direct or alternating current, which allows It can not be used without additional devices. Since this meter has less turnip and requires less contact pairs for its implementation, and also does not require the use of diodes, capacitors and resistors to ensure its operation, the reliability of its operation increases. For the implementation of the present annular shift, the counter of the counter uses only the same type of elements, neutral contact relays, and the use of diodes, capacitors and resistors is not required for the operation, which allows to simplify its implementation and operation. The formula of the invention An annular shift counter, containing an input relay, a frequency divider by two, whose input is connected to the contacts of the input relay, two counting buses, which are connected to the outputs of the frequency divide by two, discharge relays, windings of which are through the closing contacts of the previous bits The relays are connected to scatter buses, characterized in that, in order to reduce power consumption, to enable the meter to operate at constant or alternating current, to increase reliability and simplify the meter, into it A switching relay switching control unit has been introduced, in which the switching contact of each bit relay, except the first one, is connected to the disconnecting contact of the post-relay relay, the closing contact of all of the bit relays, except the first and last one, is connected to the windings of its relay, the breaker contact of the second bit relay connected to the winding of the first discharge relay, the closing contact of the last discharge relay is connected to the winding of its relay through the disconnecting contact of the first discharge relay, and the switching contact to the power bus . Sources of information taken into account in the examination 1. Elements of automatic control systems. Ed. P.I. Kuznetsova, 1967, p. 243. 2. USSR author's certificate №595864, cl. H 03 K 23/03, 09.06.76. UG .J Phage I 9 ff tl №