SU741480A1

SU741480A1 - Device for measuring dial pulse coefficient

Info

Publication number: SU741480A1
Application number: SU762400140A
Authority: SU
Inventors: Валерий Васильевич Копытин; Аркадий Самуилович Круглоз
Original assignee: Ленинградская Городская Телефонная Сеть
Priority date: 1976-08-17
Filing date: 1976-08-17
Publication date: 1980-06-15

Description

Изобретение относится к телефонии и может быть использовано для проверки импульсного коэффициента для каждого периода импульсной последовательности номеронабирателя за один оборот диска с выводом результата измерения в виде количества импульсов. ^s The invention relates to telephony and can be used to check the pulse coefficient for each period of the pulse sequence of the dialer for one revolution of the disk with the output of the measurement result in the form of the number of pulses. ^s

Известное устройство для измерения . импульсного коэффициента номеронабирателя содержит блок управления, первую и вторую схемы заряда конденсаторов, первый и второй конденсаторы, первый блок сравнения, причем пер-¹вый и второй выходы блока управления подключены соответственно к первым входам первой й второй схем заряда конденсаторов , выходы первой и второй схем заряда конденсаторов подключены соответственно к первым обкладкам первого и второго конденсаторов, вторые обкладки которых заземлены [1]. Однако известное устройство имеет невысокую точность измерения.Known device for measuring. Pulse dialer coefficient control unit comprises a first and a second capacitor charging circuit, the first and second capacitors, the first comparator unit, and per- ¹ vy and second outputs of the control unit are connected to first inputs of the first nd second capacitor charging circuit, the outputs of the first and second circuits the charge of the capacitors are connected respectively to the first plates of the first and second capacitors, the second plates of which are grounded [1]. However, the known device has a low measurement accuracy.

Цель изобретения - повышение точности измерения.The purpose of the invention is to improve the accuracy of measurement.

Для этого в устройство для измерения импульсного коэффициента номеронабирателя введены третий и четвертый конденсаторы, первый и второй стабилизаторы тока, второй блок сравнения, элемент НЕТ и счетчик, причем третий выход блока управления подключен к первому входу третьей схемы заряда конденсаторов и к первому входу четвертой схемы заряда конденсаторов, четвертый выход блока управления подключен ко вторым входам первой, второй и четвертой схем заряда конденсаторов, при этом второй вход третьей схемы заряда конденсаторов соединен со входом счетчика и подключен к выходу элемента НЕТ, выход первого стабилизатора тока соединен с третьими входами первой и четвертой схем заряда конденсаторов, выход второго стабилизатора тока соединен с третьими входами второй и третьей схем заряда конденсаторов, первые обкладки третьего и четвертого конденсаторов соединены соответственно с выходами третьей и четвертой схем заряда конденсаторов, вторые обкладки третьего и четвертого конденсаторов заземлены, причем выходы первой и'четвертой схем заряда конденсаторов подключены соответственно к первому и второму входу первого блока сравнения, выходы второй и третьей схем заряда конденса741480 торов подключены соответственно к первому и второму входу второго блока сравнения, а выходы первого и второго блоков сравнения соединены соответственно с первым и вторым входами элемента НЕТ. 5To this end, the third and fourth capacitors, the first and second current stabilizers, the second comparison unit, the NO element and the counter are introduced into the device for measuring the pulse coefficient of the dialer, and the third output of the control unit is connected to the first input of the third capacitor charge circuit and to the first input of the fourth charge circuit capacitors, the fourth output of the control unit is connected to the second inputs of the first, second and fourth capacitor charge circuits, while the second input of the third capacitor charge circuit is connected to the counter is connected to the output of the NO element, the output of the first current stabilizer is connected to the third inputs of the first and fourth capacitor charge circuits, the output of the second current stabilizer is connected to the third inputs of the second and third capacitor charge circuits, the first plates of the third and fourth capacitors are connected respectively to the outputs of the third and fourth capacitor charge circuits, the second plates of the third and fourth capacitors are grounded, and the outputs of the first and fourth capacitor charge circuits are connected respectively To the first and second input of the first comparison unit, the outputs of the second and third capacitor charge circuits of 741480 tori are connected respectively to the first and second input of the second comparison unit, and the outputs of the first and second comparison units are connected to the first and second inputs of the NO element, respectively. 5

Схема заряда конденсаторов состоит из блока разряда и ключа, при этом выход ключа, соединенный с первым входом блока разряда, является выходом схемы заряда конденсаторов, первый вход ключа является первым 10 входом схемы заряда конденсаторов, второй вход блока разряда является вторым входом схемы заряда конденсаторов, второй вход ключа является третьим входом схемы заряда конденсаторов, при этом выход блока 15 разряда заземлен.The capacitor charge circuit consists of a discharge unit and a key, while the key output connected to the first input of the discharge unit is the output of the capacitor charge circuit, the first key input is the first 10 input of the capacitor charge circuit, the second input of the discharge unit is the second input of the capacitor charge circuit, the second key input is the third input of the capacitor charge circuit, while the output of the discharge unit 15 is grounded.

На чертеже изображена схема предложенного устройства.The drawing shows a diagram of the proposed device.

Предложенное устройство содержит блок управления 1, первую 2 и вторую 3 схемы 20 заряда конденсаторов, первый 4 и второй 5 конденсаторы, первый блок сравнения 6. третий 7 и четвертый 8 конденсаторы, первый 9 и второй 10 стабилизаторы тока, второй блок сравнения 11, элемент НЕТ 12, счетчик 13. 25The proposed device contains a control unit 1, first 2 and second 3 circuits 20 charge capacitors, the first 4 and second 5 capacitors, the first comparison unit 6. the third 7 and fourth 8 capacitors, the first 9 and second 10 current stabilizers, the second comparison unit 11, element NO 12, counter 13.25

Первый и второй выходы блока управления подключены соответственно к первым входам схем 2, 3 заряда конденсаторов.The first and second outputs of the control unit are connected respectively to the first inputs of the capacitor charge circuits 2, 3.

Выходы схем 2, 3 заряда конденсаторов ³⁰подключены соответственно к первым обкладкам конденсаторов 4, 5, вторые обкладки которых заземлены.The outputs of the circuits 2, 3 of the charge of the capacitors ^{30 are} connected respectively to the first plates of the capacitors 4, 5, the second plates of which are grounded.

Третий выход блока управления 1 подключен к первому входу третьей схемы 14 заряда . 35 конденсаторов и к первому входу четвертой схемы 15 заряда конденсаторов.The third output of the control unit 1 is connected to the first input of the third charge circuit 14. 35 capacitors and to the first input of the fourth circuit 15 of the capacitor charge.

Четвертый выход блока управления 1 подключен ко вторым входам схем 2, 3 15 заряда конденсаторов. ⁴⁰ The fourth output of the control unit 1 is connected to the second inputs of the circuits 2, 3 15 charge capacitors. ⁴⁰

Второй вход схемы 14 заряда конденсаторов соединен со входом счетчика 13 и подключен к выходу элемента НЕТ 12.The second input of the capacitor charge circuit 14 is connected to the input of the counter 13 and is connected to the output of the element NO 12.

Выход стабилизатора тока 9 соединен с тре- ₄₅тьими входами схем 2. 15 заряда конденсаторов. Выход стабилизатора тока 10 соединен с третьими входами схем 3 и 14 заряда конденсаторов.The output of the current stabilizer 9 is connected to the third ₄₅ inputs of the circuits 2. 15 charge capacitors. The output of the current stabilizer 10 is connected to the third inputs of the capacitor charge circuits 3 and 14.

Первые обкладки конденсаторов 7, 8 соеди- ₅₀йены соответственно с выходами схем 14, 15 заряда конденсаторов, а вторые обкладки заземлены.The first plates of the capacitors 7, 8 are connected to ₅₀ yen, respectively, with the outputs of the capacitor charge circuits 14, 15, and the second plates are grounded.

Выходы схем 2, 15 заряда конденсаторов подключены соответственно к первому и второму55 входу блока сравнения 6, а выходы схем 3, 14 заряда конденсаторов подключены соответствен- , но к первому и второму входу блока сравненияThe outputs of capacitor charge circuits 2, 15 are connected respectively to the first and second55 input of the comparison unit 6, and the outputs of capacitor charge circuits 3, 14 are connected respectively, but to the first and second input of the comparison unit

11. Выходы блоков сравнения 6, И соединены соответственно с первым и вторым входами элемента НЕТ 12.11. The outputs of the comparison blocks 6, And are connected respectively to the first and second inputs of the element NO 12.

Каждая из схем 2, 3. 14. 15 заряда конденсаторов состоит из блока разряда 16 и ключа 17, при этом выход ключа 17, соединенный с первым входом соответствующего блока разряда¹ 16, является выходом соответствующей схемы заряда конденсаторов, первый вход ключа 17 является первым входом соответствующей схемы заряда конденсаторов, второй вход блока разряда 16 является вторым входом соответствующей схемы заряда конденсаторов, второй вход ключа 17 является третьим входом соответствующей схемы .заряда конденсаторов, а выход блока разряда 16 заземлен-.Each of the circuits 2, 3. 14. 15 the charge of the capacitors consists of a discharge block 16 and a key 17, while the output of the key 17 connected to the first input of the corresponding discharge block ¹ 16 is the output of the corresponding capacitor charge circuit, the first input of the key 17 is the first the input of the corresponding capacitor charge circuit, the second input of the discharge unit 16 is the second input of the corresponding capacitor charge circuit, the second input of the key 17 is the third input of the corresponding circuit. The capacitor charge, and the output of the discharge unit 16 is grounded.

Предложенное устройство работает следующим образом.The proposed device operates as follows.

Импульсы набора номера от номеронабирателя поступают в блок управления 1, где формируются его выходные сигналы, управляющие работой предложенного устройства.The dialing pulses from the dialer are received in the control unit 1, where its output signals are generated that control the operation of the proposed device.

В течение времени первого импульса сигнал с первого выхода блока управления 1 отпирает ключ 17 схемы 2 заряда конденсаторов. При этом происходит линейный заряд конденсатора 4 от стабилизатора тока 9.During the time of the first pulse, the signal from the first output of the control unit 1 unlocks the key 17 of the capacitor charge circuit 2. When this occurs, the linear charge of the capacitor 4 from the current stabilizer 9.

За время первой паузы сигналом со второго выхода блока управления 1 отпирается ключ 17 схемы 3 заряда конденсаторов. При этом происходит линейный звряд конденсатора 5 от стабилизатора тока 10.During the first pause, a signal from the second output of the control unit 1 unlocks the key 17 of the capacitor charge circuit 3. When this occurs, the linear discharge of the capacitor 5 from the current stabilizer 10.

В момент времени, соответствующий началу второго импульса, сигналом с третьего выхода блока управления 1 открываются ключи 17 схем 14 и 15 заряда конденсаторов.At the time corresponding to the beginning of the second pulse, the signal from the third output of the control unit 1 opens the keys 17 of the capacitor charge circuits 14 and 15.

При этом начинается линейный заряд конденсаторов 7 и 8.In this case, the linear charge of the capacitors 7 and 8 begins.

При заряде конденсатора 7 до уровня напряжения на конденсаторе 5 на выходе блока сравнения 11 появляется сигнал, запускающий элемент НЕТ 12, вырабатывающий короткий импульс, который разряжает конденсатор 7 через соответствующий блок разряда 16 и одновременно подается на счетчик 13. По окончании этого импульса снова начинается заряд конденсатора 7 и т.д.When the capacitor 7 is charged to the voltage level on the capacitor 5, a signal appears at the output of the comparison unit 11, which triggers a NO 12 element that generates a short pulse, which discharges the capacitor 7 through the corresponding discharge unit 16 and is simultaneously fed to the counter 13. At the end of this pulse, the charge starts again capacitor 7 etc.

Этот процесс повторяется до тех пор, пока на запрещающий вход элемента НЕТ 12 не поступит сигнал с выхода блока сравнения 6, который сформируется при разряде конденсатора 8 до напряжения на конденсаторе 4. При этом в счетчике 13 зафиксируется значение импульсного коэффициента для первого периода, большее истинного значения импульсного коэффициента К что корректируется блоком управления 1.This process is repeated until the signal from the output of the comparator 6, which is formed when the capacitor 8 is discharged to the voltage on the capacitor 4, is received at the inhibitory input of the NO 12 element. In this case, the pulse coefficient for the first period that is greater than the true value is recorded in the counter 13 values of the pulse coefficient K, which is adjusted by the control unit 1.

Сигналом с четвертого выхода блока уп равления 1 с помощью блоков разряда 16 схем 2, 3 и 15 разряда конденсаторов предложенное устройство приводится в исходное состояние.The signal from the fourth output of control unit 1 using the discharge blocks 16 of the circuits 2, 3 and 15 of the discharge of capacitors, the proposed device is restored to its original state.

С поступлением третьего и четвертого импульсов описанные процессы повторяются. 5With the arrival of the third and fourth pulses, the described processes are repeated. 5

Заряд конденсаторов 4 и 8 производится от одного и того же стабилизатора тока 9, а конденсаторов 5 и 7 - от стабилизатора тока 10, что обеспечивает высокую стабильность измерений. 1 оThe capacitors 4 and 8 are charged from the same current stabilizer 9, and the capacitors 5 and 7 from the current stabilizer 10, which ensures high measurement stability. 1 o

Изобретение позволяет повысить точность измерений.The invention improves the accuracy of measurements.

Claims

The invention relates to telephony and can be used to test the pulse coefficient for each period of a dialer's pulse sequence per turn of a disk with the output of game number in the form of pulses. The known device for measurement. the pulse dialer contains a control unit, the first and second capacitor charge circuits, the first and second capacitors, the first comparison unit, the first and second outputs of the control unit are connected to the first inputs of the first and second capacitors, respectively, The capacitor charges are connected respectively to the first plates of the first and second capacitors, the second plates of which are grounded AND. However, the known device has a low measurement accuracy. The purpose of the invention is to improve the measurement accuracy. To do this, a third and fourth capacitors, the first AND second current stabilizers, the second comparison unit, the NO element and the counter, the third output of the control unit are connected to the first input of the third capacitor charge circuit and to the first input, into the device for measuring the pulse coefficient of the dialer. the fourth capacitor charge circuit; the fourth output of the control unit is connected to the second inputs of the first, second, and fourth capacitor charge circuits; the second input of the third capacitor charge circuit is connected to About the input of the counter and connected to the output of the element NO, the output of the first current regulator is connected to the third inputs & m of the first and fourth capacitor charge circuits, the output of the second current stabilizer is connected to the third inputs of the second and third capacitors charge circuit, the first plates of the third and fourth capacitors connected to the outputs of the third and fourth capacitor charge circuits, the second plates of the third and fourth capacitors are grounded, and the outputs of the first and fourth capacitor charge circuits are connected the first and second inputs of the first comparison unit, respectively, the outputs of the second and third capacitor charging circuits are connected to the first and second inputs of the second comparison unit, respectively, and the outputs of the first and second comparison units are connected respectively to the first and second inputs of the NO element. A capacitor charge circuit consists of a discharge unit and a key, and the key output connected to the first input of the discharge unit is the output of the capacitor charge circuit, the first key input is the first input of the capacitor charge circuit, the second input of the discharge unit is the second input of the capacitor charge circuit, the second key input is the third input of the capacitor charge circuit, while the output of the discharge unit is grounded. The drawing shows a diagram of the proposed device. The proposed device contains a control unit 1, the first 2 and second 3 capacitor charge circuits, the first 4 and second 5 capacitors, the first comparison unit 6, the third 7 and fourth 8 capacitors, the first 9 and second 10 current stabilizers, the second comparison unit 11, element NO 12, counter 13. The first and second outputs of the control unit 1 are connected respectively to the first inputs of the circuits 2, 3 of the charge capacitors. The outputs of the circuits 2, 3 of the charge of the capacitors are connected respectively to the first plates of the capacitors 4, 5, the second plates of which are grounded. The third output of the control unit 1 is connected to the first input of the third capacitor charge circuit 14 and to the fourth input of the fourth capacitor charge circuit 15. The fourth output of the control unit 1 is connected to the second inputs of the circuits 2, 3 and 15 by the charge of the capacitors. The second input of the capacitor charge circuit 14 is connected to the input of the counter 13 and is connected to the output of the NO element. The output of the current regulator 9 is connected to the third inputs of the capacitor charge 2, 15. The output of the current stabilizer 10 is connected to the third inputs of the circuits 3 and 14 of the capacitor charge. The first plates of the capacitors 7, 8 are connected respectively with the outputs of the circuits 14, 15 of the charge of the capacitors, and the second plates are grounded. The outputs of the circuits 2, 15 of the capacitor charge are connected respectively to the first and second inputs of the comparison unit 6, and the outputs of the circuits 3, 14 of the capacitors charge are connected respectively to the first and second inputs of the comparator unit 11. The outputs of the comparison blocks 6, 11 are connected respectively to the first and the second inputs of the element NO. 12. Each of the circuits 2, 3. 14, 15 capacitor charges consists of a short-circuit block 16 and a key 17, and the output of the key 17 connected to the first input of the corresponding block 16 is the output corresponding to capacitor charge circuits first the input key 17 is the first input of the corresponding capacitor charge circuit, the second input of the discharge unit 16 is the second input of the corresponding capacitor charge circuit, the second input of the key 17 is the third input of the corresponding capacitor charge circuit, and the output of the discharge unit 16 grounded The proposed device operates as follows. Dialing pulses from the dialer enter the control unit 1, where its output signals are generated, controlling the operation of the proposed device. During the time of the first pulse, the signal from the first output of the control unit 1 unlocks the key 17 of the capacitor charge circuit 2. At this, linear charging of the capacitor 4 occurs from the current stabilizer 9. During the first pause, the key 17 from the second output of the control unit I opens the key 17 of the capacitor charging circuit 3. When this occurs, the linear star of the capacitor 5 from the current stabilizer 10 occurs. At the time point corresponding to the beginning of the second pulse, the keys 17 of the capacitor charge circuits 14 and 15 are opened with the signal from the third output of the control unit 1. This starts the linear charge of the capacitors 7 and 8. When the capacitor 7 is charged to the level of the voltage on the capacitor 5, a signal appears at the output of the comparator block M, triggering element NO 12, producing a short pulse that discharges the capacitor 7 through the corresponding block bit 16 and simultaneously supplied to the counter 13. Upon completion of this pulse, the charge of the capacitor 7 starts again, and so on. This process is repeated until the input element NO 12 receives a signal from the output of the comparator unit 6, which is formed when the capacitor 8 is discharged to the voltage of the capacitor 4. At the same time, the value of the pulse factor for the first period is fixed in the counter 13 , which is greater than the true value of the pulse coefficient of the slip K, which is corrected by the control unit 1. The signal from the fourth output of the control unit 1 using the discharge blocks of 16 5 circuits 2, Zi15 discharge of the capacitors is proposed to the source device oh state. With the arrival of the third and fourth pulses, the processes described are repeated. The capacitors 4 and 8 are charged from the same current stabilizer 9, and the capacitors 5 and 7 from the current stabilizer 10, which ensures a high measurement stability. The invention allows for improved measurement accuracy. Claim 1. A device for measuring the pulse coefficient of a dialer comprising a control unit, first and second capacitor charge circuits, first and second capacitors, first comparator unit, the first and second outputs of the comparator unit, the first and second outputs of the control unit connected respectively to the first inputs of the first and second capacitor charge circuits, the outputs of the first and second capacitor charge circuits are connected respectively to the first plates of the first and second capacitors, the second plates which are grounded, characterized in that, in order to improve the measurement accuracy, the third and fourth capacitors are introduced, the first and second current stabilizers, the second comparison unit, the NO element and the counter, the third output of the control unit connected to the first input of the third capacitor charge circuit and to the first input of the fourth charging circuit the capacitor the fourth output of the control unit is connected to the second inputs of the first, second and fourth charging circuit of the capacitors, while the second 0 INPUT of the third capacitor charging circuit / the second the input of the third capacitor charge circuit is connected to the meter input and connected to the output of the NO element, the output of the first current stabilizer is connected to the third inputs of the first and fourth capacitor charge circuits, the output of the second current stabilizer is connected to the third inputs of the second and third charge circuits of the kondeisayur, the first the plates of the third and fourth capacitors are connected respectively to the outputs of the third and fourth capacitor charge circuits, the second plates of the third and capacitors are grounded, and the outputs of the first and fourth with The chemical charges of the capacitors are connected respectively to the first and second inputs of the first power supply unit, the outputs of the second and third capacitor charge circuits are connected respectively to the first and second inputs of the second comparison unit, and the outputs of the first and second comparison blocks are connected respectively to the first and second inputs of the element NOT.

2. A device for measuring a pulse coefficient of a dialer according to claim 1, which differs in that the capacitor charge circuit consists of a discharge unit and a key, and the output of the key connecting the first input of the discharge unit is the output of the capacitor charge circuit, The first key input is the first input of the capacitor charge circuit, the second input of the discharge unit is the second input of the capacitor charge circuit, the second key input is the third input of the capacitor charge circuit, and the output of the discharge unit is grounded. Sources of information taken into account during the examination 1. USSR Copyright Certificate No. 541295, cl. H 04 M 1/24, 1973.