SU1449967A1 - Apparatus for tolerance monitoring of time intervals - Google Patents

Abstract

The invention relates to the field of measurement technology and can be used to control the length of time intervals in a sequence and single time intervals. To do this, the device containing the driver 1. A generator. 2 reference signals, a counter 3 and a delay element 7, a shaper 4 is inserted that generates a signal at the end of the time interval, delay elements 8 and 9, summation blocks 5 and 6, designed to sum the numerical value of the time interval obtained on the counter 3, with its limit values in the reverse code, and blocks 10 and 11 of the inverters. The connection of the former 1, which forms a rectangular pulse from the input interval, with the generator 2 of reference signals ensures that the generation of signals is allowed for the duration of the action of the input interval. The service inputs of the Record Summing Blocks 5 and 6 are used to receive a signal that allows the recording of the limit values of the time interval in the reverse code, connected to the Record bus. 1 silt, 1 tab. a (L

Description

The invention relates to measuring technique and can be used to control the duration of both single time intervals and time intervals in a sequence.

The purpose of the invention is the expansion of functionality.

The drawing shows a structural diagram of a device.

A device for tolerance control of time intervals comprises a first driver 1, a generator 2 of reference pulses, a counter 3, a driver 4, blocks 5 and 6 of summation, delay elements 7-9, groups 10 and 11 of inverters, an information processing unit 12, an input information bus, set bus group, bus '' Record and bus Reset. The input information bus 13 is connected to the input of the shaper 1, the first output of which is connected to the control input of the reference pulse generator 2, the output of which is connected to the counting input of the counter 3, the information outputs of which are connected to the first groups of inputs of summing blocks 5 and 6, the second groups of inputs of which are connected with information outputs, respectively, of the first 10 and second 11 groups of inverters, the inputs of which are connected respectively to the first and second groups of installation buses of the device.

The overflow outputs of the summing blocks 5 and 6 are connected respectively to the first and second inputs of the information processing block 12, the analysis of which is connected through the delay element 9 to the reset inputs of the summing blocks 5 and 6, the reset input of counter 3 and the input of the reset device and directly connected to the output delay element 8, the input of which is connected directly to the inputs. Summation of the summing blocks 5 and 6 and through the delay element 7 is connected to the output of the driver 4, the input of which is connected to the second output of the driver 1.

Input bus Recording device connected to the inputs Recording blocks 5 and 6 summation.

A device for tolerance control of time intervals works as follows.

The signals under investigation are fed through the input information bus to the input of the shaper 1, at the output of which temporary pulses are generated, the duration of which is controlled by the device.

The time pulse generated by the former 1 arrives at the control input of the generator 2 reference pulses, at the output of which a sequence of reference pulses is formed during the duration of the input pulse.

The pulses of the reference frequency are fed to the counting input of the counter 3. Counter 3 counts the number of pulses received at its input during the action of the 2θ controlled time pulse. Before the start of control, in the summing unit 5 through a group of inverters 10 from an external device, the Write command is entered in the reverse code to the number corresponding to the minimum permissible numerical value of the monitored time interval. In block 6 summation through a group of inverters 11 is written in the reverse code, a number equal to the maximum allowable numerical value of the monitored time interval. At the end of the controlled time interval, a pulse is generated at the output of the shaper 1 at the output of the shaper 1 by the shaper 4, which, through the delay time of the delay element 7, receives the inputs Summation of the summing blocks 5 and 6. This pulse is used to sum direct codes from the information outputs of counter 3 and reverse codes from the outputs of the inverter group: inverters 10 and 11 in blocks 5 and 6 of the summation.

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As a result of the summation at the overflow outputs of the summing blocks 5 and 6, the following combination of pulses is formed (see table).

Control result

Signal Levels at the 'Outputs

temporary 1 interval block 5 | block 6 Within admission 1 0 More tolerance 1 1 Less tolerance 0 0

After a time equal to the delay time of the delay element I, the pulse from the output of the delay element 7 is input to the Analysis of the information processing unit 12.

According to this impulse, by analyzing the combination of signal levels at the first and second inputs of the information processing unit 12, a decision is made about the control result in accordance with the table.

As the information processing unit 12, computers, a transmitting device, a digital printing device, or any recording device may be used coupled to a computer device. After a time equal to the delay time of the delay element 9, the pulse from the output of the delay element 8 resets the summing blocks 5 and .6 and the counter 3. After that, the device is prepared to control the next input time interval. If necessary, the device can be reset to its initial state by applying a pulse to the input bus. Reset the device.

The invention allows for tolerance control of both single time intervals and time intervals in a sequence.

Claims (1)

Claim A device for tolerance control of time intervals, containing a first driver, a reference pulse generator, a counter and an input information bus connected to the input of the first driver, about 40, characterized in that, in order to expand the functionality, a second driver, the first one, the second and third delay elements, the first and second summing units, the first and second groups of inverters, the information processing unit, the first output of the first driver being connected to the control input the house of the reference pulse generator, the output of which is connected to the counter input of the counter, the information outputs of which are connected to the first groups of information inputs of the first and second summing blocks, the second groups of inputs of which are connected respectively to the information outputs of the first and second groups of inverters, the inputs of which are connected respectively to the first and the second group of installation buses, and the overflow outputs of the first and second summing units are connected respectively to the first and second inputs of the processing unit information, the analysis of which is connected through the first delay element with the inputs of the Reset of the first and second summing blocks, with the input Reset of the counter and the input bus Reset device and is directly connected to the output of the second, second delay element, the input of which is connected to the input Summation of the first and second summation blocks directly and through the third delay element, it is connected to the output of the second driver, the input of which is connected to the second output of the first driver, and the input bus Recording device is connected to the inputs Recording the first and second summing units.