SU1249556A1 - Versions of device for signalling state of controlling - working mechanism - Google Patents

Abstract

The invention relates to the automation of technological processes and is intended to be used as a means of displaying information on mnemonic diagrams of the final and npof-intermediate positions of the control actuators (MI). The aim of the invention is to increase the information content by signaling the dynamic state of both slow and high-speed regulating MIs that are influenced by automatic regulators of non-legitimate action. To this end, in the first embodiment (for slow-acting regulating MIs), a device containing the first information bus, the position bus is open and closed, three OR elements, three indicator lights, three AND elements, the first OR-NOT element, a pulse generator, and a counting trigger, the second information bus was introduced, the second OR-NOT element, the fourth and fifth AND elements, and the second version of the device, which contains two position buses, is open, closed, three IPI elements, four AND elements, the OR-NOT element, the generator pulses, countable tr igger, the first information bus, the first trigger and the time delay element, the second information bus, the second OR-NOT element, the fifth, sixth and seventh AND elements, the second trigger and the fourth OR element are introduced. In the device in the first embodiment, the sensors of the final position of the actuator (MI) impart two mutually exclusive single signals and cause an even luminescence of the first or second and third light indicators. When the actuator moves in one direction, the alternating luminescence of either the second and the third is alternately provided, or, when the actuator moves in the other direction, the first indicator flashes. In the half-open state of the MI, depending on the direction of movement of the MI, either the second or the third indicator is displayed with a steady light. In the device according to the second variant, when moving the MI towards the open, the second and third indicators provide a blinking light, and when the MI is set in an intermediate state, the second indicator is displayed with a steady light. If the MI starts moving from the intermediate state, but already in the opposite direction, the second and third ingbgeators flash with a flashing light. As soon as the effect of the signal on the corresponding §

Description

the information bus stops, these indicators are blocked and extinguished, and the first indicator is highlighted. The invention relates to the field of process automation and is intended to be used as a means of displaying information on the final and intermediate positions of the control actuators (MIs) included in the automatic control systems, and can be used in local and centralized monitoring and control systems in gas, chemical, energy others, in industrial cases in cases where for regulating MIs that have only control bodies of their final positions, not quantitative enough, but only an arrogant qualitative characteristic of the state, performed by simple devices, when used for mnemonic schemes of lighting engineering means information.

The device is advisable to use for signaling the direction of nepfeMe Slow-acting IM (first variant) and high-speed IM (second variant), which are influenced by automatic controllers.

The aim of the invention is to increase the information content of the device by signaling the dynamic state of both slow and high-speed regulating Ht-lj under the influence of automatic regulators of continuous action,

Fig. 1 shows a functional diagram of the device, the first option; in fig. 2 - the same, the second option.

The alarm device in the first embodiment (Fig. 1) contains a bus 1 position Closed, a bus 2 position Open, elements OR 3-5, a light indicator 6 position Closed light indicators 7 and 8 position

steady light, evidence of a steady state of MI. 2 sec. P. f-l1s1, 2 Il.

Open, element I9, elements I10 and 11, element OR-HE12, generator 13 pulses, counting trigger 14, first information bus 15, second information bus 16, information buses 15 and 16, which provide the device with automatic control system mismatch signals acting respectively on the opening and closing of MI; element OR-HE17, elements I18 and 19.

Functional diagram of the signaling device according to the second variant

(Fig. 2), in contrast to the first, has the first and second triggers 20 and 21, the fourth element OR 22, the elements AND 23 and 24, the element 25 of the time delay.

The device in the first embodiment

(Fig. 1) works in the following way.

The sensors of the final position of the IM issue on tires 1 and 2, position two

mutually exclusive single signals: in the closed state of the MI over the bus 1 position Closed, such a signal arrives at the first input of the element OR 3 and causes a steady glow

the light indicator 6, and in the open state of the MI on the bus 2, the position is open. Such a signal through the elements OR 4 and 5 provides the glow

h

the indicator lights 7 and 8 with an even light. If, after the initial, for example, closed state of the chains (not shown), a command to open is given, the MI starts to open and the 6 position indicator light is closed, is lit up until the contact of the end switch of the sensor is opened. connected to the bus 1 position Closed. As soon as the contacts of this sensor are open, the indicator 6 will go out, and at the first input of the element OR NONE 12 a single signal will disappear, so that

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, a single signal to the first inputs of the elements And 9, 10, 11,18 and 19, which will prepare them for work. When moving- THEM during the operation of the automatic control system to the side Opened on the first information bus 15 is a single signal that goes to the third inputs of the AND 10 and 11 elements. The same signal through the OR-NOT 17 element goes to the input of the AND 9 element Since the counting trigger 14 under the action of the generator of 13 pulses all the time is in the switching

mode, then elements 10 and 11, respectively, OR 4 and 5, light indicators 7 and 8 will begin to receive alternately logical units that cause them to alternate flickering, indicating the movement of the MI under the influence of the automatic control system in the direction of Open. Alternate single signals from the outputs of the counting trigger 14 are also fed to the inputs of elements 18 and 19, however, their further passage is prevented by the signal of a logical zero coming to the third inputs of these elements from the additional information bus 16. If, after the automatic adjustment of the applied compensation is applied, a stable half-open state of IM, then the signal on the first information bus 15 will disappear, which in turn will block the transmission to the indicators 7 and 8 of single trigger signals 14. With this volume indicator 8 will go out, and indicator 7 will be illuminated with a steady light, since the input of the element is AND 9; through the element IL-NOT 17, a single logical signal will arrive. As soon as the operation of the automatic control system towards the further opening of the MI is resumed, the process of displaying information on the indicators 7 and 8 will be repeated. If the IM is fully opened i. will reach its extreme open position, bus 2 has a single logical signal and both indicators 7 and 8 are illuminated with steady light, evidence of a complete opening of the mechanism.

The device works as follows. When a close command is issued, the contact of the sensor connected to bus 2 is opened

495564.

Open, and the presence of a single command signal Closed on infor-. On the display busbar 16, alternately blinking lights, the light 5 indicators 6 and 8 are highlighted, since a single logical signal from the informational pin 16 allows transmission

through the elements of AND 18 and 19 to the elements, OR Zi 5 of the alternating logic units from the outputs of the trigger 14. This indicates that the MI, under the influence of the automatic control system, moves in the Closed direction. If after working out automatically

15 which control system applied

If a disturbance occurs in a stable half-open state of MI, then a single signal on the information bus 16 will disappear and the transmission of single signals to the indicator lights 6 and 8 from. the new trigger 14 stops. . At the same time, indicators 6 and 8 will go out,; and indicator 7 will be illuminated with even light, since to the second input

25 elements AND 9 through the element OR-HE.17, a single logical signal will arrive. As soon as the operation of the automatic control system in the direction of further closing the MI resumes,

30, the process of displaying information on indicators 6 and 8 is repeated. If the MI is closed by the polarity, then the sensor connected to the bus 1 position. Closed, will close its contact And improve

35 logical single signal to the light indicator 6, which is illuminated with a steady steady light, evidence of the complete closure of the mechanism.

When the device is manufactured according to the second variant (Fig. 2), and. the movement of the MI due to the operation of the automatic control system in the direction Open MI, a single cash on the data bus 15 switches the trigger 20 to the inverse state, as a result, the input of the element AND 23 through the element OR 22, as well as the inputs of the element And 10 and the element AND It a single logical signal is received. Since the counting trigger 14 under the influence of the generator 13 pulses is in a continuous switching mode, then through the elements 10 and 11 and the elements OR 4 and 5, the indicators 7 and 8 will begin to receive alternately logical units that will cause their flashing alternately. This indicates peret

IM still under the influence of the automatic control system in the direction of opening. In this case, the alternating flashing down of the light indicators 7 and 8 continues for some time after the automatic control system ceases to operate, i.e. after the disappearance of a single logical signal on the information bus 15. As soon as the operation of the automatic regutgar system is terminated, the element IPI-HB; 17 through element And 23 will launch element 25. A time delay that, after a predetermined time (for example, 4-5 seconds) returns the trigger 20 from the inverse to the forward state, as a result, the passage of single signals from the outputs of the counting trigger 14 to the indicators 7 and 8 is blocked. In this case, the indicator 8 will go out, and the indicator 7 will be illuminated in a steady light, since a single continuous signal will arrive at the second input of the element AND 9 from the output of the element 24. This is due to the fact that the input of the And 24 element receives two single logical s-mgnaps: one from the direct output returned to the initial state by element 25 of the trigger delay of the trigger 20, and the second from the direct output of the trigger 21, which, in the absence of a single signal on the information bus 16 and influences

the output signal of the element 25 of the exposure-35 is connected to the first inputs of the first and second elements I, a pulse generator connected to the counting input of the counting trigger, the inverse and direct outputs of which are connected to the second inputs of the first and second elements respectively, the third inputs of which are connected to the first information bus of the device, the closed position bus is connected to the first inputs of the first OR element and the first W-NOT element, and the open position bus is connected to the first inputs of the second and third OR elements and to the second input The first element of the first and second elements AND are connected respectively to the second inputs of the third and second elements OR, and the output of the third element AND is connected to the third input of the second element OR, which is different because, in order to increase the information content, A second information bus has been entered into it, the second element of the ShSh-NOT, the fourth and

45

Time does not change its baseline. A steady steady glow of indicator 7 indicates the onset of a stable half-open state of IM.40.

If the action of the automatic control system is resumed, but in the direction of closing the MI, then a single logical signal on the information bus 16 will switch the trigger 21 to an inverse state, resulting in the input of the second element AND 23 through the element OR 22, as well as the inputs of the elements AND 18 and 19, a single logical signal is received that permits the passage of alternating logic signals from the outputs of the counting trigger 14 to the light indicators 6 and 8, which will cause their alternating blinking. This indicates that under the action of the automatic control system, the MI moves in the direction of closure,

rij 50

Flashing alternately; the lights of the light indicators 6 and 8 continue for some time after the automatic control system ceases to operate, i.e. the disappearance of a single logical signal on the data bus 16. As soon as the automatic control system stops its operation, the OR-NOT 17 element will again restart the time delay element 25 through the AND 23 element, which, after a predetermined time (4-5 seconds), returns the trigger 21 from the inverse to direct state, as a result of which the passage of single signals from the outputs of the counting trigger 14 to the indicators 6 and 8 is blocked. At the same time, indicators 6 and 8 will go out, and indicator 7 will be illuminated with a steady steady light, - evidence of the onset of a steady state. Further operation of the circuit is similar to the operation of the device, performed by the first option.

Formula 3 and about b e th e n i

1. Signaling device: the state of the regulating actuator 3Q mechanism containing the closed and open position buses, three elements OR with lights connected to their outputs, three elements AND, the first element OR NOT, the output of which is connected to the first inputs of the first 45

, 40

50

first and second elements And, a pulse generator connected to the counting input of the counting trigger, inverse and the direct outputs of which are connected to the second inputs, respectively; the first and second elements of AND, the third inputs of which are connected to the first information bus of the device, the closed position bus is connected to the first inputs of the first OR element and the first W-NOT element, and the Open position bus to the first inputs of the second and third OR elements and the second input The first element STE-NOT, the outputs of the first and second elements AND are connected respectively to the second inputs of the third and second elements OR, and the output of the third element AND is connected to the third input of the second element OR, distinguishing the SI in that th enhancement informativeness, it introduced a second data line, the second element Hilti-NO, and fourth

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the fifth elements AND, the outputs of the fourth and fifth elements AND are connected respectively to the second input of the first element OR and the third input of the third element OR, the first inputs of the fourth and fifth elements AND are combined with the first input of the third element And, their second inputs are connected respectively with inverse and direct outputs of the counting trigger, and the third inputs are connected to the second information bus, to which one of the inputs of the second OR-NOT element is also connected, the other input of which is connected to the first information bus, and the output of the second element OR is NOT connected to the second input of the third element I.

2. The device for signaling the state of the regulating actuator, containing two buses of the position Closed and Open, three elements OR with light indicators connected to their outputs, four AND elements, element OR NONE, a pulse generator connected to the counting input of the counting trigger, the first information the bus, the first trigger and the time out element, the bus position Closed is connected to the first input of the first element OR and the first input of the element OR NOT, the bus position. Open to the first inputs of the second and third ele cops OR and the second input of the element OR NOT, the output of which is connected to the first inputs of the first, second and third elements AND, the outputs of the second and third elements BV And connected respectively to the second inputs of the second and third elements OR, and the output of the first element AND connected to the third input the second element OR, the direct inverse outputs of the counting trigger are connected respectively to the second

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the inputs of the second and third elements And the inverse input of the first trigger is connected to the first information bus, and its inverse output - with

5 by the third inputs of the second and third elements And, the output of the fourth element And is connected to the input of the element of the time delay, the output of which is connected to the direct input of the first trigger, which is different in that, in order to increase the information content, a second information bus is entered into it, the second element OR-NOT, the fifth, sixth and seventh elements AND,

15, the second trigger and the fourth element OR, the output of the time element is connected to the direct input of the second trigger, the inverse input of which is connected to the second information line, the inverse output of the second trigger is connected to the first inputs of the fifth and sixth elements AND and the first input of the fourth element OR whose second input is connected to the inverse

5 output of the first trigger, and the output of the fourth element OR to the first input of the fourth element AND, the inputs of the second element OR NOT are connected to the first and second information bus0, and its output to the second input of the fourth element AND, the direct outputs of the first and second flip-flops connected to the inputs of the seventh element And, the output of which is connected to the second input

5 of the first element I, the direct and inverse outputs of the counting trigger are connected respectively to the second inputs of the fifth and sixth elements I, the third inputs of which are connected to the output

0 of the first element OR NOT, the output of the sixth element AND is connected to the second input of the first element OR, and the output of the fifth element AND to the third input

. The third element OR.

) / ®v; g

Editor L. Gratilllo

Compiled by O. Bogomolov

Tehred V. KadarKorrektor S. Cherni,

Order 4329/51

Draw 515

VNIIPI State fcoMHTeTa USSR

for inventions and discoveries 113035, Moscow, Zh-355, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Subscription

Claims (3)

Claim 1. Alarm device: the state of the actuator, containing the position bus “Closed and Open ¹ ”, three OR elements with light indicators connected to their outputs, three AND elements, the first OR-NOT element, the output of which is connected to the first inputs of the first and the second element And, a pulse generator connected to the counting input of the counting trigger, the inverse and direct outputs of which are connected to the second inputs, respectively _; of the first and second 'AND elements, the third inputs of which are connected to the first information bus of the device, the Closed position bus is connected to the first inputs of the first OR element and the first OR-NOT element, and the Open position bus is connected to the first inputs of the second and third OR elements and with the second input of the first OR-NOT element, the outputs of the first and second AND elements are connected respectively to the second inputs of the third and second OR elements, and the output of the third AND element is connected to the third ·! the input of the second OR element, characterized by the fact that, in order to increase information content, the second information bus, the second OR-NOT element, the fourth and Ί the fifth AND element, the outputs of the fourth and fifth AND elements are connected respectively to the second input of the first OR element and the third input of the third OR element, the first inputs of the fourth and fifth elements AND are combined with the first input of the third AND element, their second inputs are connected respectively to inverse and direct the outputs of the counting trigger, and the third inputs are connected to the second information bus, to which one of the inputs of the second OR-NOT element is also connected, the other input of which is connected to the first information bus, and the output of the second lementa NOR is connected to the second input of the third element I. 2. The signaling device of the state of the regulating actuator, containing two closed and open position buses, three OR elements with light indicators connected to their outputs, four AND elements, an OR-NOT element, a pulse generator connected to the counting input of the counting trigger, the first information bus , the first trigger and the time delay element, the position bus is Closedly connected to the first input of the first OR element and the first input of the OR-NOT element, the position bus. Open - with the first inputs of the second and third ele nts OR and the second input of the OR-NOT element, the output of which is connected to the first inputs of the first, second and third AND elements, the outputs of the second and third elements of AND are connected respectively to the second inputs of the second and third OR elements, and the output of the first AND element is connected to the third input of the second element OR, direct AND inverse outputs of the counting trigger are connected respectively to the second 1249556 8 'inputs of the second and third elements And, the inverse input of the first trigger is connected to the first information bus, and its inverse output is connected to 5 by the third inputs of the second and third elements AND, the output of the fourth element And is connected to the input of the time delay element, the output of which is connected to the direct input of the first trigger 10 ger, characterized in that, in order to increase the information content, a second information bus is introduced into it, the second element OR NOT, the fifth, sixth and seventh elements AND, 15 the second trigger and the fourth element OR, the output of the time delay element is connected to the direct input of the second trigger, the inverse input of which is connected to the second information bus, the inverse output to of the second trigger is connected to the first inputs of the fifth and sixth AND elements and the first input of the fourth OR element, the second input of which is connected to the inverse 25 output of the first trigger, and the output of the fourth OR element to the first input of the fourth AND element, the inputs of the second element OR NOT connected to the first and second information bus is 30 mi, and its output is with the second input of the fourth element And, the direct outputs of the first and second triggers are connected to the inputs of the seventh element And, the output of which is connected to the second input 35 of the first element And, direct and and population-inverted outputs countable trigger connected respectively to the second inputs of the fifth and sixth AND gates, the third inputs of which are connected to the output 40 of the first OR-NO element, the output of the sixth AND gate connected to a second input of the first OR gate and the output of the fifth AND gate - a third input. third element OR.