SU1542877A1 - Apparatus for automatic distribution of flow of loose materials among loading apparatus - Google Patents

Description

The invention relates to the automatic control of conveyor transport and improves the accuracy of the device. For this, the device is equipped with a tape speed sensor 4, a block of 10 clock pulses, a memory block 11 and a block 9 for calculating the correction factor

SC .3542877

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It is connected to one input of a block of 10 clock pulses, the other input of which is the control. The first and second outputs of the block 10 are connected to the inputs of the block 11, to the third input of which is connected a weighing device (VI) 2 input flow of bulk materials (CM). Output block 11 is connected to one of the inputs BVKK 9. The other inputs connected BVKK September ₁₀ outputs block 10, VI-permeate stream 3 and SM controllers 8 loading apparatus. The output of BVKK 9 is connected to the master inputs of the regulators 8.

The other inputs of the regulators 8 are connected to the outputs of the VI 6 of the corresponding plow diverter 5, the Regulator 8 according to the results of the comparison given

and the measured VI weight weighting produces a signal to the actuator 7 for moving the corresponding ejector 5. At the ΐth instant, VI II measures the weight performance P _ah _; the input stream CM, which enters block 11. The latter, using block 10, outputs the signal P from the RRP 9 calculation. after time T, equal to the transit time of the conveyor belt 1 at the speed measured by sensor 4, the distance between VI 2 and 3. In this case, BVKK 9 uses block 10 to receive signals from regulators 8 and from VI 3. The calculated correction factor from BVKK 9 arrives to the second inputs of the regulators 8.

2 hp ff, 3 ill.

The invention relates to a device for the automatic distribution of the moving belt con- _{May 2} * Weier stream of bulk material loading apparatus arranged along the conveyor, and may find application in the industry of building materials, such as limestone powder ve production, as well as in chemical, metallurgical and other industries.

The purpose of the invention is to improve the accuracy of the device.

FIG. 1 shows a block diagram of the ^ 5 device for the automatic distribution of bulk materials flow; in fig. 2 - Functional diagram of the adjustment coefficient calculation unit; in fig. 3 is a functional block diagram of clock pulses.

The device for automatic distribution of bulk materials flow over loading devices contains feed conveyor 1, inlet 2 weighers and 3 bulk solids flow sensor, 4 belt speed sensors, N plow diverters 5, N weighing instruments 6 corresponding plow diverters 5, No. of drives 7 plow diverters. 5, N controllers 8 apparatus loadings, calculation units 9 correction factors, clock pulses 10, memory 11. The output of the weight meter 2 ^ 5

connected to the third input of the memory block 11, the first input of the block of 10 clock pulses connected to the date output

The speed of the tape is 4, the second input is the control, the output of each weighing device 6 of the corresponding plow dumper 5 is connected to the first input of the controller 8 of the apparatus, the first output of which is connected to the drive 7 connected kinematically with the plow resetter 5, the unit 10 clock pulses connected to the first inputs of the memory block 11 and the computing unit 9, the output of which is connected to the second inputs of the regulators 8, the second output of the block 10 of clock pulses is connected to the second input of the memory block 11, the second outputs The regulators 8 are connected respectively to the second, third, ..., Ν + 1 st inputs of the computing unit 9, Ν + the 2nd input of which is connected to the output of the weight meter 3 of the residual flow, + 3, + 4, ..., The 2I + 4th inputs of the computing unit 9 are connected to the third, fourth, ..., + 4th outputs of the 10 clock pulses block, the output of the memory block 11 is connected to the 2c + 5th inputs of the computing block 9.

The correction coefficient calculation unit 9 contains содержит + 1 switches 12, switching unit 13, Ν + 1 memory elements 14, adder 15, subtraction elements 16 and division 17. The first input of block 9 is connected to the installation inputs of memory elements 14, the outputs of which are connected respectively to first, second, Ν + 1

information inputs of block 13 com

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mutations, second, third, ..., Ν + 2th inputs of block 9 are respectively informational inputs of switches 12, informational outputs of which are connected respectively to informational inputs of memory elements 14, Ν + 2, + 3, + 4,. .. "2Ы + 3rd input unit 9 are respectively the control inputs of the switches 12, 2I + 5th input unit 9 is Ν + 2nd information input switching unit 13, the control input of which is 2Ν + 4-input unit 9 calculations, N information outputs of the block 13 com- 15 mutations are connected to the inputs of the adder 15, the output of which is dinene with a divisible input of the division element 17, Ν + 1, Ν + 2d information outputs of the switching unit 13 are connected respectively to the subtracted and decremented inputs of the subtraction element 16, the output of which is connected to the separating input of the division element 17, the output of the latter block 9 compute- 25

Lenia.

Block 10 clock pulses contains the generator 18 installation pulse

Sa when power on, generator

19 clock pulses with an adjustable pulse repetition rate, triggers 20 and 21, elements AND 22-24, elements OR 25-27, elements NOT 28-30 and counting-decrypting node 31. Output

The generator 18 is the first output of a block of 10 clocks and connect

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not with the first inputs of the elements OR 25-27, the output of the element OR 27 is connected to the installation input of the computation-decrypting node 31, the output of the trigger 20 - dd with the first input of the element And 22, the output of the last - with the single input of the trigger 21, the second input of the block 10 the combined second input element AND 22, the input element NO 28 and 45 generator input 19, the output of which is connected to the second input element AND 23 and the input element NO 29, the output of the trigger 21 is connected to the second input of the element OR 25 and the first input of the ^ D ment And 23, the output of which is the second output of block 10 and also connected to the counting input of the counting-decrypting node 31. The output of the element NOT 28 is connected to the second input of the element OR 26 and to the third input of the element

OR 25, the output of which is connected to the installation input of the trigger 20, the output of the element OR 26 is connected to the installation input of the trigger 21, the output of the element NOT 29 is Ν + 4th output of the unit 10 clock pulses, and is also connected to the first input of the element AND 24. The first , the second ..... Ν + 1st '

the outputs of the computationally-decrypting node 31 are respectively the third, fourth, ..., Ν + 3 outputs of the block 10, Ν + 2 the output of the counting-interpreting node 31 is connected to the second input of the And 24 element, the output of which is connected to the second input element OR 27, and with the input element NO 30, the output of which is connected to the third input of the element And 23.

Device for the automatic distribution of the flow of bulk materials on boot devices works as follows.

The controller 8 of the load of devices, on the basis of the given values of it, _eohd and K _{tr 5aA,} calculates the values of P _bead = P., _hell . K _tr , compares these values with the value of T ;; measured by the weight measuring device 6, and according to the results of the comparison, it outputs signals to the drive 7, which moves the plow dumper 5 until the equality Py _5αΛ = Р is _{fulfilled ;} . At the same time, the flow of bulk materials arriving along conveyor 1 is distributed along the loading devices (the latter are not shown).

At the ί — nd moment of time, the weight meter 2 measures the weight performance of the input material flow Ρ _βχ ., Which goes to memory block 11.

Block 11 using the block 10 clock pulses outputs in block 9 of the calculation signal P _In . ϊ and after time T _in; equal to the transit time of the conveyor belt 1 at speed V - (measured by speed sensor 4) the distance b between weight gauges 2 and 3. When the flow of bulk materials passes the distance b _{n n + 1} using a block of 10 clocks, the calculator receives signals from block 9 8 and the signal P _OST . from the output of the weight of 3 residual flow of bulk materials.

The correction coefficient calculation unit 9 calculates the formula ’value

N

ten

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• 7 which arrives at the second inputs of the regulators 8. From this point on, the regulators 8 perform the equality

Ei * K _Gr; - Mr. / n))

Block 9 calculations works as follows.

The impulse arriving at the first input of block 9 from the first output of the block of 10 clock pulses translates the elements of 14 c 14 _g , ..., 14 memory into the initial (zero) state. Signals K ₍₁ p P _ost . _; incoming Yes, second, third, Ν + 2nd inputs

unit 9 from the second outputs of the regulators 8 and from the output of the weight meter 3, respectively, arrive at the information inputs of the switches 12, 12 ₂ , ..., 12 _{Ν +} , from the information outputs of which-20 ry signals P, P stop; arrive at the information inputs of the elements 14 ,, 14 _g , ..., 14 _{n +} , the memory at the arrival of clock pulses to the control inputs of the switches 12 ,, 12 _1} ...,

• 12 _{Ν +} , through Ν + 3, + 4, ..., 2I + 3-rd inputs of block 9 from the third, fourth, ..., Ν + 3rd outputs of the block 10 clock pulses. Elements 14 ,, 14 _g , ..., 14 _{Ν +} , the memory stores signals G / ₍ ] Growth; D ° of arrival of signals

, ^p ”v. <and · Signals P _{; ]} , P _gr .;

arrive at the first, second, Ν + 1st informational inputs of switching unit 13, to Ν + 2nd informational input of which the signal P arrives _; from the output of block 11 memory through. 2Ν + 5-Η block input 9. When a pulse arrives at the control input of the block

• 13 switching ka 9 s Ν + 4th output pulses of the second, ..., block outputs

to the inputs of the adder 15 ^p in; ^{and p} .; ^{pa ll} 'subtraction. The output signal appears and the output element signal.

R . = p - p ^g 5.1 ^g in ϊ ^g ost, Signals Ρ _ν . , R _t; yes of the division element 17, of which a signal appears at the output of block 9 subtraction

25

thirty

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through the 2Y + 4th input of the output of the block 10, the clock signals P from the first, N — th information 13 switching arrive, and the signals go to the inputs of the element 16> adder 15

40

1 6 subtraction 45

50

55

arrive at vhona output

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coming to the second inputs of the regulators 8. The signal K _tr .. exists before the appearance of the signals P ^; ₄₁ ;

Block 10 clock pulses work as follows.

When the power is turned on, the generator of the setting pulse generates a setting pulse passing the first output of the block 10 and through the eleet

• 18 em to the cops OR 25-27 - to the installation

the inputs of the flip-flops 20 and 21 and the counting-decrypting node 31, which in this case are set to the initial (zero) state. When the “Start” pulse arrives at the control input from the external control circuit, the trigger 20 is switched to one state, and the signal from its single output goes to the first input of the AND 22 circuit. Signal V; from the tape speed sensor 4 comes to the second input of block 10. When V, - # 0, a signal appears at the output of element 22 and triggers trigger 21 into a single state, while a signal appears at its single output that arrives at the second input of element OR 25 and reset trigger 20 to zero state. Simultaneously, the signal from the unit output of the trigger 21 is fed to the first input of the element And 23, while the pulses of constant duration? _and a generator 19 are input to the count-countable node 31 decrypts yna second output unit 10. The frequency of the _slab £ · ,, pulses from the generator 19 depends on the magnitude of V).:

where k _p

39 = Κ _ρ ν,

/

• - coefficient of proportionality $
• - duration of a pause between two adjacent pulses of duration

In the absence of a pulse from the generator 19, at the output of the element NOT 29, a pulse of the duration £ arrives at the first input of the element I 24 and at 2Ν + 4-Π the output of the block 10 appears. On the first, second, ..., Ν + 1st outputs, -andeterifying node 31 and, therefore, on the third, fourth, ..., Ν + 3rd outputs of block 10, pulses of duration appear? when a counting-decrypting node 31 arrives at the counting input, respectively, K ,, K ,, ..., _{Ν +} , pulses. When coming

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a signal appears at the counting pulse input at the Ν + 2-m output of the cata- log-wide-freezing node 31, which arrives at the second input of the AND 24 element and at $ the input of the HE 30 element, and the enabling signal from the third input of the AND 23 element is removed, and the pulses pass to the counting input counting and decrypting node 31 is terminated, and in the presence of a pulse of duration>. the computationally decrypting node 31 through the element OR 27 is transferred again to the original

ten

state. Wherein

^Κ ί

· £

ν _ΗβΜ .ι ^ΓΛ · ^0Μ · ¹⁹ '

15

where b

V nol <

- the distance from the weighing device 2 to the plow diverter 5; 20

-small <the rated speed of the conveyor belt 1 and the pulse repetition rate from the generator 19 at this 1 speed.

Claims (3)

Claim 1. A device for automatically distributing the flow of bulk materials; fishery loading equipment containing a feed conveyor with plow ejector, weighing equipment for the number of plow ejector, connected to the first inputs of the loading controllers of the apparatus, the first outputs of which are connected to the drive of the plow ejector, an input flow weigher and a residual flow weighing device, different in that improve the accuracy, the belt speed sensor, a block of clock pulses, a memory block and a coefficient for calculating the correction factor are entered into it, while the speed sensor output and the tape is connected to the first input of the clock clock unit, the second input of which is the manager, the first output of which is connected to the first inputs of the memory block and the correction factor calculation unit, the output of which is connected to the second inputs of the load control devices of the devices, the second outputs of which are connected to the corresponding information the inputs of the block for calculating the correction factor, the second output of the block of clock pulses: owls is connected to the second input of the memory block, to the third input of which 25 thirty 35 40 45 50 the input flow weigher is connected, the remaining outputs of the clock pulses are connected to the corresponding installation inputs of the correction coefficient calculation unit, the output of the memory block and the output of the residual flow weigher are connected to the second and third inputs * 2, The device according to claim 1, which is based on the fact that the correction factor calculation unit contains (Ν + 1) switches, where N is the number of plow jumpers, (Ν + 1) memory elements, switching unit, adder, subtraction element and element division, while the switch outputs are connected to the information inputs of the memory elements, the outputs of which are connected to the corresponding information inputs of the switching unit, the N outputs of which are connected to the corresponding inputs of the adder, and two information outputs are connected to two inputs of the element subtraction, the output of which and the output of the adder are connected to both inputs of the division unit, the output of which is the output of the coefficient calculation unit [Corrections, while the installation inputs of the memory elements are combined and are the first input of the correction coefficient calculation unit, the information inputs of the switches are information inputs of the correction coefficient calculation unit , and the installation inputs of the switch are the installation inputs of the correction factor calculation unit, informational and The primary inputs of the switching unit are the second and third inputs of the correction coefficient calculation unit, respectively. 3. The device according to claim 1, wherein the block of clock pulses contains a generator of a setting pulse, a generator of clock pulses, two flip-flops, three elements AND, three elements OR, three elements NOT and a counting-decrypting node, and the generator output the setting pulse is connected to the first inputs of the first, second, and third —EEG elements OR, the output of the first 'trigger is connected to the first input of the first element AND, the output of which is connected to the first input of the second And 1542; a trigger whose output is connected to the second input of the first element OR and the first input of the second element AND, the output of the first element is NOT connected to the third input of the first OR element and the second input of the second OR element, the outputs of the first and second OR elements are connected to the second inputs of the first and second respectively -, rygo triggers, the output of the generator of clock pulses is connected to the second input of the second element AND through the second element NOT t to the first input of the third element AND, the output of which is connected to the second input of the third element OR, out d is connected to input ustanovomnomu countable decrypts node with countable .The inputs of which the output is connected second- 7 7 12 second AND gate, a first output schetnodeshifriruyuschego node coupled to a second input of the third AND gate and via a third element NOT - a third input of the second AND gate, the second input of the first AND gate and _d inputs of the first element HE and clock generator are combined G and are the first entrance block clock pulses, the second input of which is the first input of the first trigger, the generator output of the installation pulse and the output of the second element And 5 are respectively the first and second outputs of the block of clock pulses, and the outputs even-node decrypts and second outputs of the NOR other clock unit. O 'pulses. fzg.2 1542877