SU1735882A1 - Signalling device - Google Patents

Abstract

The invention relates to automation technology, namely to multi-channel signalization devices with individual light and generalized sound alerts. The aim of the invention is to increase reliability and information content. To do this, a device containing control channels, each of which is made of the element OR NOT , the first element And, the sensor, the indicator and the trigger, the element AND PI, the buzzer, the control button, the acknowledgment button and the asymmetric pulse generator, an element is entered into each control channel the holder, the three elements AND, the element OR, and the element NOT. The device ensures the formation of information both when the monitored object is turned on and when the monitored object is turned off, while separating these signals from the previously depleted, 2 or more with S (L)

Description

The invention relates to automation technology, in particular to multi-channel signaling devices with individual light and generalized sound alerts.

A device is known which contains a control channel, test, quit and reset buttons, a pulse generator, an OR element, the output of which is connected to a buzzer. Each control channel contains a sensor, a decoder, six OR-NOT elements, two NAND-elements and an indicator. The disadvantage of this device is low information content, namely, the sound signal is emitted only when the sensor is turned on, and the sensor is switched off without attracting the attention of the operator.

It is also known a device containing control channels, the first, second and third inputs of which are connected respectively to the outputs of the generator of unbalanced signals, the control and acknowledgment buttons. The outputs of each control channel are connected to their inputs of the OR element, the output of which is connected contains the trigger, the element AND, the element OR, the element OR-NOT, and the outputs of the elements OR-NOT and AND are connected respectively to the first and second inputs

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an OR element whose output is connected to an indicator.

The first input of the element OR is NOT connected to the first input of the control channel, and the first input of the element AND is connected to the forward output of the trigger „

The disadvantages of such a device are low reliability and informational content due to the fact that the sensor is disconnected after receipt without attracting the attention of the operator, and, in addition, this device records all telemechanic failures used in transmitting signals from remote sensors.

The purpose of the invention is to increase reliability and information content.

To achieve this goal, the device contains an OR element whose output is connected to an audible alarm, an acknowledgment button, a control button and an unbalanced pulse generator, control channels, each of which is made of a sensor, a trigger, an OR element, and the first AND element, whose outputs connected to the first and second inputs of the element OR, respectively; the output of which is connected to the indicator; the first and second outputs of the element OR are NOT combined with the same inputs of the first element AND into each control channel vedeny delay element, second, third and fourth lemen- you And, the second element OR and NOT element, in each control channel transmitter. connected to the first input of the delay element, the output of which is connected to the first inputs of the first, second and third elements AND, and through the element NOT to the first input of the fourth element AND whose output is connected to the first input of the trigger, the first output of which is connected to the third inputs of the element OR- NOT and the first element And, the outputs of which are connected respectively to the first and second inputs of the second element OR, the second input of the fourth element And is connected to the second input of the second element And, the output of which is connected to the second input of the trigger , the second output of which is connected to the second input of the third element AND,. the output of which is connected to the third input of the first element OR, the output of the generator of asymmetric pulses is connected to the second inputs of the first elements AND control channels, the outputs of the second elements,

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OR which are connected to the corresponding inputs of the OR element, the control button is connected to the second inputs of the delay elements of the control channels, the acknowledgment button is connected to the second inputs of the second elements AND the control channels.

Figure 1 shows a diagram of the proposed device; Fig 2 - the same, option

The device (Fig. 1) contains control channels 1, a generator of 2 asymmetric pulses, a sound alarm device 3, elements OR 4, acknowledgment buttons 5 and control 6. Each control channel 1 contains a sensor 7 delay block 8, trigger 9, indicator 10, four elements And 11 - k,

the inverter 15, the element OR NOT 16, the two elements OR 17 and 18, and the delay unit contains the element AND NOT 19, the resistor 20 and the capacitor 21.

Sensor 7 is connected to the first input of the delay block 8, to the second input of which the control button 6 is connected, and the output of the delay block is connected to the first inputs of the first 13, third 11 and second 11 AND elements, OR-NOT 16 element, as well as through the inverter 15 To the first input of the fourth element And 12. The outputs of the second 14 and fourth 12 elements And are connected respectively to the S-input and R-input of the trigger 9, the direct output of which is connected to the second input of the third 11 element And, and the inverter output of the trigger 9 is connected to the third inputs of the element ILY-NOT 16 and the first ele cient and 13.

The outputs of the element OR NOT 16, the first 13 and third 11 elements AND are connected respectively to the first, second and third inputs of the first element OR 17 whose output is connected with the indicator 10, simultaneously the outputs of the element OR NOT 16 and the first element AND 13 are connected to the inputs the second element OR 18, the output of which through the element OR k is connected to

0 buzzer 3.

The second inputs of the element OR-HEJ6 and the first element AND 13 are connected to the output of the generator 2, and the second inputs of the second AND and the fourth 12 elements AND are connected to the acknowledgment button 5. In block 8 of the delay, the first input through the resistor 20 is connected to the capacitor 21 and the first input of the element AND-NOT 19, the second input of which

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It is connected to the second input of the delay unit 8, and the output of the latter is connected to the output of the NAND element 19.

The device works as follows.

Assume that in the initial state the sensor 7 is disabled, the trigger 9 is in the state O and, therefore, the indicator 10 does not light up. When the sensor 7 is triggered, the signal through the delay unit 8, then through the IS 19 element IS arrives at the AND 13 element, which at the moment of presence of the signal from the generator 2 pulses, generates a signal to the audible alarm 3 through the second element OR 18 and simultaneously 17 on the indicators, therefore, the indicator 10 flashes, and the buzzer 3 beeps intermittently. After the acknowledgment button 5 is pressed, the second element 11 11 outputs a signal to the S input of the trigger 9, which transfers the latter to a state of one, and, therefore, the signal from the inverted output of the trigger 9, which arrives at the third inputs of the first element 13 and is received, as well as the OR-NOT 16 element, and a signal appears at the forward output of the flip-flop 9, which is fed to the input of the third And 11 element, at the output of which a constant signal is generated that translates the indicator 10 to an even glow, and the sound signal is turned off.

When the sensor 7 is disconnected, the signal from the output of the delay block 8 disappears, which came to the first input of the OR-HF element. 1b, and at the moment when there is no signal from the pulse generator 2, at the output of this element OR NOT 16 a signal appears that turns on the indicator 10 and the warning lamp 3, which turn on periodically for a time equal to the absence of the signal at the generator output asymmetric signals; which allows the operator to determine that the object (sensor) has been disabled.

After pressing the acknowledgment button 5, the signal goes through the fourth element I 12 to the R input of the trigger 9, the latter is switched to the 0m state and turns off the indicator 10 and the buzzer 3 with its output signals, the circuit returns to its original state.

The device depicted in FIG. 2 differs only in that instead of

3588.

Claims (1)

opening (normally closed) contacts of sensor 7 and control buttons use closing contacts and instead of element NAND 19 the element OR is used. A device for technological signaling, containing control channels O, each of which is made of an OR-NOT element and the first AND element, the outputs of which are connected respectively to the first and second inputs of the first OR element, output 15 which is connected to the indicator, per0 The second and second inputs of the OR element are NOT combined with the same inputs of the first element AND, from the sensor and the trigger, an OR element whose output is connected to an audible alarm, a acknowledge button, a control button and an unbalanced pulse generator, characterized in that, in order to increase the reliability the device’s information content and information, a delay element is introduced into it, the second, third and fourth elements AND, the second OR element and the NOT element are inserted into each control channel, the sensor is connected to the first input of the delay element in each control channel, the output of which is connected to the first inputs of the first, second and third elements I and through the element NOT sub5, the keys to the first input of the fourth element I, the output of which is connected to the first input of the trigger, the first output of which is connected to the third inputs of the element OR-NOT and the first element And, the outputs of which are connected respectively to the first and second inputs of the second element OR, the second input of the fourth element AND is connected to the second input of the second element AND, - the output of which is connected to the second input of the trigger, the second output of which is connected to the second input of the third element I, the output of which is connected to the third input of the first element l OR, the output of the generator of asymmetric pulses is connected to the second inputs of trans, x elements AND control channels, the outputs of the second elements OR which are connected to the corresponding inputs of the element OR, the control button is connected to the second inputs of the delay elements of the control channels, the switch button is connected with the second inputs of the second elements And control channels, five I fflj Fig / J /one