SU970703A1

SU970703A1 - Relay flip-flop

Info

Publication number: SU970703A1
Application number: SU813236423A
Authority: SU
Inventors: Валерий Васильевич Вилесов; Вячеслав Федорович Хохлов
Original assignee: Серпуховское Высшее Военное Командное Училище Им.Ленинского Комсомола
Priority date: 1981-01-14
Filing date: 1981-01-14
Publication date: 1982-10-30

Description

Изобретение относится к импульсной технике и может быть использовано в системах дискретной автоматики.The invention relates to a pulse technique and can be used in discrete automation systems.

Известен триггер, содержащий двухобмоточное реле,с самоудержанием, диоды, конденсаторы, резисторы и управ- ⁵ляющий контактный ключ £l].Known trigger comprising a double-wound relay Latching, diodes, capacitors, resistors and controlled ^5-governing pin key £ l].

Недостатком такого устройства является сложность.The disadvantage of such a device is complexity.

Известен также релейный триггер, содержащий двухобмоточное реле с самоудержанием, нейтральное реле, диоды, резистор [2].Also known is a relay trigger containing a double-wound relay with self-holding, a neutral relay, diodes, a resistor [2].

Недостаток этого триггера заключается в сложности, и невысокой надежности.The disadvantage of this trigger is its complexity and low reliability.

Цель изобретения - упрощение и повышение надежности триггера.The purpose of the invention is to simplify and increase the reliability of the trigger.

Поставленная цель достигается тем, что в релейном триггере, содержащем 20 диоды, нейтральное реле и двухобмоточное реле с самоудержанием, первые выводы обмоток которого соединены с пе2 рвой шиной питания, счетный вход которого подключен к переключающему контакту нейтрального реле, размыкающий контакт которого соединен с первым импульсным выходом, а замыкающий контакт - со вторым импульсным выходом и со вторым выводом второй обмотки двухобмоточного реле с самоудержанием и с анодом (катодом) первого диода, катод (анод) которого связан с первым выводом обмотки нейтрального реле и через второй диод, включенный в прямом направлении, соединен с замыкающим контактом двухобмоточного реле, переключающий контакт которого подключен ко второй шине питания, а замыкающий и размыкающий контакты его подключены к первому и второму потенциальным выходам триггера, первый импульсный выход триггера подключен к аноду (катоду) третьего диода, катод (анод) которого соединен со вторыми выводами первой обмотки двухобмоточного релеThis goal is achieved by the fact that in a relay trigger containing 20 diodes, a neutral relay and a two-winding relay with self-holding, the first terminals of the windings of which are connected to the first power bus, the counting input of which is connected to the switching contact of the neutral relay, the NC contact of which is connected to the first pulse the output, and the make contact with the second pulse output and with the second output of the second winding of the two-winding relay with self-holding and with the anode (cathode) of the first diode, the cathode (anode) of which is connected to the first the output terminal of the winding of the neutral relay and through the second diode, turned on in the forward direction, is connected to the make contact of the double-winding relay, the switching contact of which is connected to the second power bus, and the make and break contacts of it are connected to the first and second potential outputs of the trigger, the first pulse output of the trigger connected to the anode (cathode) of the third diode, the cathode (anode) of which is connected to the second terminals of the first winding of the double-winding relay

970703 4 с самоудержанием и обмотки нейтрального реле.970703 4 self-holding and winding neutral relay.

. На чертеже показана принципиальная схема предлагаемого триггера.. The drawing shows a schematic diagram of the proposed trigger.

Триггер содержит двухобмоточное ре- ₅ле с самоудержанием с обмотками 1 и2,_ нейтральное реле 3, диоды 4, 5 и 6, счетный вход триггера 7,. который через переключающий 8, размыкающий 9 контакты реле 3 соединен с первым им- ю Нульсным выходом 1.0 и с анодом (катодом”) диода 4, катод (анод) которого подключен ко вторым выводам обмотки 1 двухобмоточного реле с самоудержанием, и обмотки нейтрального реле 3· 15The trigger comprises two winding PE ₅ le Latching with coils u2 1, _ neutral relay 3, the diodes 4, 5 and 6, the count input of the flip-flop 7 ,. which through switching 8, opening 9 the contacts of relay 3 is connected to the first name of the pulse output 1.0 and to the anode (cathode ”) of diode 4, the cathode (anode) of which is connected to the second terminals of the winding 1 of the two-winding relay with self-holding, and the winding of the neutral relay 3 · fifteen

Тот же переключающий контакт 8· реле 3 через замыкающий контакт 11 подключен ко второму импульсному выходу 12, ко второму выводу обмотки 2 двухобмоточного реле, первый вывод обмо- _2Qток которого подключен к первой шине 13 .питания, кроме того, замыкающий контакт 11 подключен к аноду ( катоду)диода 5» катод (анод) которого соединен с, первым выводом обмотки нейтрального ₂$ реле 3 и через диод 6 с замыкающим контактом 14 двухобмоточного реле, переключающий контакт 15 которого подключен ко второй шине 16 питания, а замыкающий 14 и размыкающийся 17 контакты его подключены к первому и второму потенциальным выходам 18 и 19 триггера.The same switching contact 8 · relay 3 is connected through the make contact 11 to the second pulse output 12, to the second output of the winding 2 of the two-winding relay, the first output of which is _2Q current is connected to the first power bus 13. In addition, the make contact 11 is connected to the anode (cathode) of the 5 ”diode, the cathode (anode) of which is connected to the first output of the neutral winding of relay ₂ $ and through the diode 6 with the make contact 14 of the double winding relay, the changeover contact 15 of which is connected to the second power line 16, and the make 14 and open 17 contacts e o connected to the first and second potential outputs 18 and 19 of the trigger.

Ток срабатывания двухобмоточного реле с самоудержанием намного больше тока срабатывания нейтрального реле. ³⁵ The response current of a self-holding two-coil relay is much greater than the response current of a neutral relay. ³⁵

Триггер работает следующим образом.The trigger works as follows.

В исходном состоянии все обмотки реле находятся в обесточенном состоянии, размыкающие контакты 9 и 17 обоих реле замкнуты, а их замыкающие кон·⁴⁰такты 11 и 14 разомкнуты.In the initial state, all relay windings are de-energized, the opening contacts 9 and 17 of both relays are closed, and their closing contacts · ⁴⁰ contacts 11 and 14 are open.

При поступлении импульса положительной полярности на счетный вход 7 ток, протекающий по цепи: вход 7» переключающий контакт8, размыкающийся ^4Sконтакт?» обмотка 1 двухобмоточного реле, шина 13 питания, вызывает переключение контактов двухобмоточного реле, т. е. размыкание контакта 17 и замыкание контакта 14,который подключа- 5С ет потенциальный выход 18 и готовит цепь срабатывания реле 3 ( реле 3 сработать не может вследствие шунтирования его обмотки входным положительным импульсом через размыкающий контакт 9) /55 одновременно импульс положительной полярности появляется на выходе 10 триггера.When a pulse of positive polarity arrives at the counting input 7, the current flowing through the circuit: input 7 "switching contact8, open ^4S contact?" winding 1 of the double-winding relay, power bus 13, causes the switching of the contacts of the double-winding relay, i.e., opening of the contact 17 and closing of the contact 14, which connects the 5C potential output 18 and prepares the relay 3 response circuit (relay 3 cannot work due to its shunting windings with an input positive pulse through the breaking contact 9) / 55 at the same time, a pulse of positive polarity appears at the output 10 of the trigger.

По окончании действия входного импульса образуется цепь срабатывания реле 3: шина 16, замыкающий контакт 14, диод 6, обмотка реле 3» обмотка 1 двухобмоточного реле, шина 13, при этом размыкается контакт 9 и замыкается контакт 11 реле.At the end of the input pulse, a response circuit of relay 3 is formed: bus 16, make contact 14, diode 6, relay winding 3 ”winding 1 of a double-winding relay, bus 13, while opening contact 9 and making contact 11 of the relay.

При поступлении на счетный вход второго импульса положительной полярности образуется цепь протекания тока через замыкающий контакт 11, обмотку 2 двухобмоточного реле, отрицательную шину 13 питания, одновременно этот импульс появляется на выходе 12, при этом переключается контакт 15, т. е. подключается потенциальный выход 19 триггера, кроме того, импульс со счетного входа фсуществляет задержку на отпускание реле 3 на время действия импульса по цепи: вход 7, контакты 8 и 11, диод 5, обмотка реле 3» обмотка 1 двухобмоточного реле, шина 13, но двухобмоточное реле не срабатывает, так как ток, протекающий в цепи, недостаточен для его срабатывания .When a second pulse of positive polarity arrives at the counting input, a current flow circuit is formed through the make contact 11, the winding 2 of the two-winding relay, the negative power bus 13, at the same time this pulse appears at output 12, while contact 15 is switched, i.e. potential output 19 is connected trigger, in addition, the pulse from the counting input delays the release of relay 3 for the duration of the pulse in the circuit: input 7, contacts 8 and 11, diode 5, relay coil 3 ”winding 1 double-winding relay, bus 13, but double-winding The second relay does not work, since the current flowing in the circuit is insufficient for its operation.

По окончании действия входного импульса реле 3 его контакт 11 размыкается, а контакт 9 замыкается, и схема приходит в исходное состояние.At the end of the action of the input pulse of relay 3, its contact 11 opens, and contact 9 closes, and the circuit returns to its original state.

При подаче последующих импульсов цикл работы устройства повторяется.When applying subsequent pulses, the cycle of the device is repeated.

Claims

The invention relates to a pulse technique and can be used in discrete automation systems. A trigger is known that contains a two-winding relay with self-holding, diodes, capacitors, resistors, and a control contact switch. The disadvantage of such a device is complexity. Also known is a relay trigger containing a self-holding two-winding relay, a neutral relay, resistor 2 diodes. The disadvantage of this trigger lies in its complexity and low reliability. The purpose of the invention is to simplify and improve the reliability of the trigger. The goal is achieved in a relay trigger containing diodes, a neutral relay and a self-holding two-winding relay, the first terminals of which windings are connected to the upper power bus, the counting input of which is connected to the switching contact of the neutral relay, the disconnecting contact is connected to the first pulse output and the closing contact is with the second pulse output and with the second output of the second winding of the two-winding self-holding relay and with the anode (cathode) of the first diode, the cathode (anode) of which is connected to the first The output of the neutral relay winding and through the second diode connected in the forward direction is connected to the closing contact of the two-winding relay, the switching contact of which is connected to the second power bus, and its closing and closing contacts are connected to the first and second potential outputs of the trigger, the first pulse output the trigger is connected to the anode (cathode) of the third diode, the cathode (anode) of which is connected to the second terminals of the first winding of the two-winding relay With self-holding and the winding of the neutral relay. . The drawing shows a schematic diagram of the proposed trigger. The trigger contains a self-holding two-winding relay with windings 1 and 2 neutral relay 3, diodes C, 5 and 6, the counting input of trigger 7 ,. which through the switching 8, disconnecting 9 contacts of the relay 3 is connected to the first impulse output 1.0 and to the anode (cathode) of the diode, the cathode (anode) of which is connected to the second terminals of the winding 1 of the two-winding self-holding relay and the winding of the neutral relay 3 The same switching contact 8 - relay 3 is connected via the closing contact 11 to the second pulse output 12, to the second output of the winding 2 of the double-winding relay, the first output of which windings is connected to the first bus 13, the power supply, in addition, the closing contact 11 is connected to the anode of the cathode diode The 5f cathode (anode) of which is connected to the first terminal of the winding of the neutral relay 3 and through diode 6 with the closing contact of the dual-winding relay, the switching contact 15 of which is connected to the second power bus 16, and its closing and opening 17 contacts are connected to the first and second potential exits 18 and 19 trigger. The actuation current of a dual-winding relay with self-holding is much greater than the tripping current of a neutral relay. The trigger works as follows. In the initial state, all the windings of the relays are in the de-energized state, the opening contacts 9 and 17 of both relays are closed, and their closing contacts 11 and I are open. When a positive polarity pulse arrives at the counting input 7, the current flowing through the circuit: input 7 switching contact, opening contact 9, winding 1 of a two-winding relay, supply bus 13, causes switching of the contacts of a two-winding relay, i.e. opening of contact 17 and closing of contact 1 which is connected to potential output 18 and prepares the operation circuit of relay 3 (relay 3 cannot be triggered due to shunting its winding with an input positive pulse through the opening contact E) / simultaneously a pulse of positive n l polarity appears at the output 10 trig ger. At the end of the input pulse, a relay 3 tripping circuit is formed: bus 16, closing contact I, diode 6, relay 3 winding, winding 1 of a two-winding relay, bus 13, contact 9 opens and relay 11 closes. When a positive pulse arrives at the counting input of a positive polarity, a current flow circuit is formed through the closing contact 11, a winding 2 of a two-winding relay, a negative power supply bus 13, at the same time this pulse appears at output 12, and the contact 15 is switched, i.e. the potential output 19 of the trigger, in addition, the pulse from the counting input delays the release of relay 3 for the duration of the pulse across the circuit: input 7, contacts 8 and 11, diode 5, winding relay 3i winding 1 two-winding relay, bus 13, but two-winding The internal relay does not work because the current flowing in the circuit is insufficient to trigger it. When the input pulse of the relay 3 expires, its contact 11 opens, and contact 9 closes, and the circuit returns to its initial state. When subsequent pulses are applied, the cycle of operation of the device is repeated. Claims of the invention A relay trigger comprising diodes, a neutral relay and a self-holding two-winding relay, the first terminals of the windings of which are connected to the first power bus, the counting input of which is connected to the switching contact of the neutral relay, the breaking contact of which is connected to the first pulse output, and the closing contact is with the second pulse output and the second output of the second winding of a self-holding two-winding relay with the anode (cathode) of the first diode, the cathode (anode) of which is connected to the first winding output neutral relay and through the second diode, connected in the forward direction, with the closing contact of the two-winding relay. The switching contact of which is connected to the second power bus, and its closing and disconnecting contacts are connected to the first and second potential trigger outputs, characterized in that, in order to increase reliability and simplify the device, the first pulse output of the trigger is connected to the third anode (cathode) of the third diode, whose cathode (anode) is connected to the second terminals of the first winding 5 of the two-winding relay with self-holding and the winding of the neutral relay. Sources of information taken into account in the examination 1, USSR Copyright Certificate And 373882, cl. H 03 K 21/00, 09.03-70.

2. USSR author's certificate in tf 2918219 / 18-21, 05.05.80.

IT I