CN102513366B - Channel automatic switching device and control method thereof - Google Patents
Channel automatic switching device and control method thereof Download PDFInfo
- Publication number
- CN102513366B CN102513366B CN 201110410471 CN201110410471A CN102513366B CN 102513366 B CN102513366 B CN 102513366B CN 201110410471 CN201110410471 CN 201110410471 CN 201110410471 A CN201110410471 A CN 201110410471A CN 102513366 B CN102513366 B CN 102513366B
- Authority
- CN
- China
- Prior art keywords
- pin
- terminal
- toggle switch
- connect
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a channel automatic switching device, which is mainly applied to reversible mill and is composed of a pulse input circuit, a decade counter CD4017, a NAND gate circuit CD4012 and a switch circuit CD4066; and the pulse input circuit is composed of a resistor, a capacitor and a diode. The device provided in the invention solves the automatic control problem of mechanical equipment in repeated reciprocating single process; mechanical automation in similar work fields is realized by combining the device with a computer. With low cost, convenience for use and strong versatility, the device can be used for mechanical equipment in repeated reciprocating single process, such as reversible steel rolling, reciprocating straightening and reciprocating quenching as well as other mechanical equipment with similar control process; and the device is totally used for simple machine with similar working process.
Description
Technical field
The present invention is mainly used in reversable mill, and it belongs to technical field of automatic control, is specifically related to a kind of passage automatic switching control equipment and control method thereof.
Background technology
At industrial control equipment be, it is repetition or similar that the technology stroke of many plant equipment controls is arranged, just the parameter of stroke changes, but concrete technology stroke is on all four, as reversible steel rolling, normal when rolling, all be down to roll each time, repeat a technology stroke action, just roll at every turn and measure difference down, quench for another example, each technology stroke that quenches is the difference that how much has of the water yield size of only opening equally or valve group, for another example the technology stroke of the each aligning of reversible straightener too, also having shearing machine to cut how many times equally also is the same process.
Steel billet needs repeatedly the moulding of rolling ability in reversible mill, and rolling is to finish by the roll gap of regulating between the roll, has whenever rolled once, and roll gap is regulated once, is called a time, and at steel grade difference, specification technology difference, the rolling pass number is different.
Under the nominal situation, at certain steel grade specification, the road number of times is certain.In reversible mill, the process of steel rolling manually is such, whenever after having rolled a passage, the roll gap of a time under the manual adjustment, carry out steel rolling, regulate the roll gap adjusting of passage down after having rolled again, after having rolled all passages, roll gap is recalled to the roll gap of initial passage, begin the rolling of next piece steel again.
In the technology stroke of these repetitions, all be that the people is operating at every turn, not only dull, also be a kind of artificial waste, and labour intensity is bigger.
Summary of the invention:
In order to reduce labor intensity, the present invention proposes a kind of passage automatic switching control equipment and control method thereof, and purpose is to provide to industrial enterprise to use industrial automatic control device, improves industrial enterprise's automatic technology level of China.
Technical scheme of the present invention comprises two parts content: a kind of passage automatic switching control equipment of the first, it two is control methods of a kind of passage automatic switching control equipment.
A kind of passage automatic switching control equipment control method: the operative employee sequences the rolling specs of each passage in advance according to technology, specification requirement, these specifications are stored in it in corresponding memory cell when layout.
For example rolling ten passages so just need have ten passage memory cell, and this passage memory cell can be digital quantity, also can analog quantity, deposit ten kinds of different rolling drafts by technological requirement ten memory cell.
Automatic passage switching device shifter is in initial passage position at the beginning, when wanting after the steel signal comes, the output signal of passage automatic switching control equipment switches to first passage, the first passage output sends signal, trigger the first passage memory cell, the rolling drafts of the first passage memory cell is sent into the intermesh determination of rolling mill, carry out the rolling of first passage, rolled after first passage, the triggering signal of having rolled first passage is beamed back at the scene, send into automatic switching control equipment, the passage automatic switching control equipment blocks the first passage memory cell automatically, switch to second passage, the second passage output sends output signal, trigger the second passage memory cell, the intermesh determination that the rolling drafts of the second passage memory cell is sent into the steel machine carries out the rolling of second passage, after second passage has been rolled, begin the rolling of the 3rd passage again, be that the tenth passage has been rolled until last passage by that analogy, count requirement according to rolling pass, the passage automatic switching control equipment returns initial passage automatically, has so just finished the rolling process of a steel.
A kind of passage automatic switching control equipment, it is made up of pulse input circuit, decade counter CD4017, NAND gate circuit CD4012, on-off circuit CD4066.
Pulse input circuit is made up of resistance, electric capacity, diode.
Decade counter is made up of ic chip 1 and ic chip 2.
On-off circuit is made up of ic chip 4, IC5, IC6, IC7, IC8, IC9.
K1, K2 are respectively position, a position toggle switch and 10 position bit switches.
One end of the resistance R 1 of pulse input circuit connects with the negative pole of diode, and the positive pole of the other end and diode links, and connects the minus earth of capacitor C 1 with the positive pole of capacitor C 1 simultaneously.One end of the positive pole of diode D1 and resistance R 2 links, and the other end of resistance R 2 is connected with 14 pin of ic chip 1 (CD4017).
16 pin of decade counter ic chip 1 (CD4017) connect power supply, 8 pin connect ground connection with 13 pin, the terminal 5 of 1 pin and toggle switch K1, terminal 5D_ terminal 15D_, 3 pin of IC5 (CD4066) connect, the terminal 1 of 2 pin and toggle switch K1, terminal 1D_ terminal 11D_, 3 pin of IC4 (CD4066) connect, the terminal 0 of 3 pin and toggle switch K1, terminal 0D_, terminal 10D_, 20D_, 1 pin of IC4 (CD4066), 1 pin of IC9 connects, the terminal 2 of 4 pin and toggle switch K1, terminal 2D_ terminal 12D_, 8 pin of IC4 (CD4066) connect, 1 pin of IC7 (CD4066) connects, the terminal 6 of 5 pin and toggle switch K1, terminal 6D_ terminal 16D_, 8 pin of IC5 (CD4066), 1 pin of IC8 connects, the terminal 7 of 6 pin and toggle switch K1, terminal 7D_ terminal 17D_, 10 pin of IC5 (CD4066), 3 pin of IC8 connect, the terminal 3 of 7 pin and toggle switch K1, terminal 3D_ terminal 13D_, 10 pin of IC4 (CD4066), 3 pin of IC7 connect, the terminal 8 of 9 pin and toggle switch K1, terminal 8D_ terminal 18D_, 1 pin of IC6 (CD4066), 8 pin of IC8 connect, the terminal 4 of 10 pin and toggle switch K1, terminal 4D_ terminal 14D_, 1 pin of IC5 (CD4066), 8 pin of IC7 connect, the terminal 9 of 11 pin and toggle switch K1, terminal 9D_ terminal 19D_, 3 pin of IC6 (CD4066), 10 pin of IC8 connect, 12 pin connect with 14 pin of IC2 (CD4017), one end of 15 pin and resistance R 3,15 pin of IC2 (CD4017), 13 pin of IC3 (CD4012) connect, the other end ground connection of resistance R 3.
16 pin of IC2 (CD4017) connect power supply, 8 pin are connected with 13 pin and ground connection, 1 pin connects the terminal 50 of toggle switch K2,2 pin connect the terminal 10 of toggle switch K2,6 pin, 12 pin of IC6 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC7 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC8 (CD4066), 3 pin connect the terminal 0 of toggle switch K2,5 pin, 6 pin, 13 pin, 12 pin of IC4 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC5 (CD4066), 5 pin, 13 pin of IC6 (CD4066), 4 pin connect the terminal 20 of toggle switch K2,13 pin of IC9,5 pin connect the terminal 60 of toggle switch K2,6 pin connect the terminal 70 of toggle switch K2,7 pin connect the terminal 30 of toggle switch K2,9 pin connect the terminal 80 of toggle switch K2, terminal 40,11 pin that 10 pin meet toggle switch K2 connect the terminal 90 of toggle switch K2.
14 pin of IC3 (CD4012) connect power supply, 7 pin ground connection, and 1 pin connects 9 pin, 10 pin, 11 pin, 12 pin, and 2 pin meet the terminal T1 of 3 pin, dial-up K1, and 4 pin meet the terminal T2 of 5 pin, toggle switch K2.
14 pin of IC4 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 0D, 4 pin meet 1D, and 9 pin meet 2D, and 11 pin meet 3D.
14 pin of IC5 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 4D, 4 pin meet 5D, and 9 pin meet 6D, and 11 pin meet 7D.
14 pin of IC6 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 8D, 4 pin meet 9D, and 9 pin meet 10D, and 11 pin meet 11D.
14 pin of IC7 (CD4066) connect power supply, 7 pin ground connection, 2 pin connecting terminal 12D, 4 pin connecting terminal 13D, 9 pin connecting terminal 14D, 11 pin connecting terminal 15D.
14 pin of IC8 (CD4066) connect power supply, 7 pin ground connection, 2 pin connecting terminal 16D, 4 pin connecting terminal 17D, 9 pin connecting terminal 18D, 11 pin connecting terminal 19D.
14 pin of IC9 (CD4066) connect power supply, 7 pin ground connection.
A kind of operation principle of passage automatic switching control equipment is:
Toggle switch K1 and toggle switch K2 are used for respectively individual, ten road number of times is set, and are 9 passages as passage, and toggle switch K1 is allocated to 9 so, and toggle switch K2 is allocated to 0.Be 19 as passage, it is 1 that individual position is 9,10, and toggle switch K1 is allocated to 9 so, and toggle switch K2 is allocated to 1.
Wanting the steel signal is single pulse signal, and rising edge triggers, and the pulse input circuit of being made up of R1, R2, C1, D1 enters.Wanting the steel signal can be heat inspection signal, also can be the draught pressure signal, or both combinations.Rolled after steel, when carrying out steel next time rolling, come a less important steel signal, following a time rolling.Before the steel rolling at the beginning initial passage output 0D be 1, i.e. high level is when wanting after the steel signal comes, high level is transferred to 1 passage, and 1D output becomes 1,0D and is changed to 0, all the other all are 0, after this passage has been rolled, the steel signal to send, following a time rolling, 1D output becomes low level, high level is transferred to 2D, and after last passage had been rolled, high level returned initial passage D0 automatically by that analogy.By IC1, two ten counter modules processed that IC2 forms carry out the counting of umber of pulse, when the umber of pulse meter to 10 the time, 12 pin of IC1 are exported a carry pulse, the counting of IC2 advances last one, namely 10, see pin two, this pin is that high level is opened IC7, IC8, the 10D_10 that three switch modules of IC6 are controlled, 11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, 19D_19D is totally 10 pairs of terminals, at this moment high level is got back to 0D_ again on IC1, because 0D_ is connected with 10D_, so 10D exports high level, counting carries out at 10 like this, when IC1 counts ten numbers again, one namely 20 again of IC2, see pin 4, this pin is the 20D_20D terminal that level control IC9 switch module is controlled, 20D terminal output high level.When the umber of pulse of the umber of pulse of counting and setting is consistent, be example with 19, the 9th of IC1 the counting arteries and veins output 11 pin are exported high level so, the 2nd pin count pulse output output high level signal of IC2, two signals enter simultaneously the circuit of being formed by NAND gate carry out with, with the result from the output of 13 pin of IC3, the high level signal of 13 pin output triggers IC1, reset terminal 15 pin of IC2 reset, 3 pin of IC1 are high level, 3 pin of IC2 are high level, and terminal 19D_ becomes low level by high level, and the pin two of IC2 becomes low level by high level, terminal 0D_ gets back to high level, namely gets back to initial road next state.
The on-off circuit that IC4, IC5, IC6 form to 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, 9D_9D totally 10 pairs of terminals carry out the control of switch, the on-off circuit that IC6, IC7, IC8 form to 10D_10,11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, 19D_19D totally 10 pairs of terminals carry out the control of switch, the on-off circuit that IC9 forms is controlled terminal 20D_20D.When set road number of times less than 10 the time, 5 pin, 6 pin, 13 pin, 12 pin of the 3 pin output high level control IC4 of IC2,5 pin, 6 pin, 13 pin, 12 pin of IC5,13 pin, 5 pin of IC6, at this moment 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D are connected, the 2 pin output low levels of IC2,12 pin, 6 pin of control IC6,5 pin, 6 pin, 12 pin, 13 pin of IC7,5 pin, 6 pin, 12 pin, 13 pin of IC8,10D_10,11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, totally 10 pairs of terminals of 19D_19D closes, the 4 pin output low levels of IC2, terminal 20D_20D closes, and can only carry out the counting below 10 like this.The blocking the way number of times was more than or equal to 10 o'clock, count pulse is less than 10 at the beginning, there is not carry, 3 pin of IC2 are high level, 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D are in logical state, all the other terminals all are in closed condition, when first 10 pulse arrives, the 3 pin output of IC2 becomes 0,0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D turn-off, 2 pin output high level, 10D_10D, 11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, these 10 pairs of terminals of 19D_19D are connected, and all the other terminals are all closed, when second 10 pulse arrives, IC2 advances one again, and 2 pin become low level, 4 pin output high level, terminal 20D_20D connects, finished 1 to 20 counting process like this, certainly also to continue needing at most only umber of pulse to 20 by the border toward enterprising number among the design.So each, a less important steel signal high level begins toward high-order movement from 1D, the highest can be to 20D, when the passage of number of terminals and setting was consistent, high level returned original passage 0D terminal.Terminal can connect with the rolling specs memory cell in a variety of forms from 1D to 20D, can directly trigger the address of the memory cell of depositing rolling specs, memory cell is sent into rolling setting to the rolling specs data by data/address bus, also can directly drive relay utilizes contact to go to connect with the unit of rolling specs, also can connect corresponding passage indicator lamp simultaneously as demonstration, can also connect with single-chip microcomputer and carry out corresponding control.
By experimental results show that repeatedly the present invention can realize the function of reversible mill under rolling automatically fully, can also be used for the automatic switchover that plant equipment such as quenching press, straightener, shearing machine realize its technology stroke simultaneously and control.
The present invention is with low cost, uses simply, and is reliable, namely can use separately, also can combine the automation control that realizes whole plant equipment with computer control system.
The present invention is in the automatic depress control system of the stainless hot rolling mill of Shanxi Taigang Stainless Steel Co., Ltd, dropped into since a year of trial run, and the automatic switchover that has not only realized depressing passage, control technology is played stably, equipment operational excellence, reliable, it is convenient to safeguard.Facts have proved that this method and device thereof are worth extensively promoting in the industrial computer automatic control system.
Description of drawings:
Fig. 1 is the circuit diagram of passage automatic switching control equipment of the present invention.
Fig. 2 is the control method block diagram of passage automatic switching control equipment of the present invention.
Among Fig. 2,1,2,3,4,5,6,20 are respectively the 1st passage memory cell, the 2nd passage memory cell, the 3rd passage memory cell, the 4th passage memory cell, the 5th passage memory cell, the 6th passage memory cell, the 7th passage memory cell, the 8th passage memory cell, the 9th passage memory cell, the 10th passage memory cell, the 11st passage memory cell, the 12nd passage memory cell, the 13rd passage memory cell, the 14th passage memory cell, the 15th passage memory cell, the 16th passage memory cell, the 17th passage memory cell, the 18th passage memory cell, the 19th passage memory cell, the 20th passage memory cell.
The specific embodiment:
Embodiment: present embodiment is the example of testing at the stainless hot rolling mill four-high mill of Shanxi Taigang Stainless Steel Co., Ltd.
The universal mill of the stainless hot rolling mill of Shanxi Taigang Stainless Steel Co., Ltd is four roller reversible rolling mills, needs repeatedly reversible rolling in the rolling steel plate.The rolling of steel plate is to regulate to finish by the roll gap between the roll, whenever rolled once, and roll gap is regulated once, is called a time, and at steel grade difference, specification technology difference, the rolling pass number is different.Under the same operating mode, at same steel grade, specification, the road number of times is certain.In the process of the steel rolling of four-high mill, whenever rolled a passage after, regulate the roll gap of a time down, carry out steel rolling, regulate the roll gap of following passage after having rolled again and regulate, after having rolled all passages, roll gap is regulated back the roll gap of initial passage, begin the rolling of next piece steel again.
Shown in Figure 1, the passage automatic switching control equipment, it is made up of pulse input circuit, system calculator CD4017, NAND gate circuit CD4012, on-off circuit CD4066.
Pulse input circuit is made up of resistance, electric capacity, diode.
Decade counter is made up of ic chip 1 and ic chip 2.
On-off circuit is made up of ic chip 4, IC5, IC6, IC7, IC8, IC9.
One end of the resistance R 1 of pulse input circuit connects with the negative pole of diode, and the positive pole of the other end and diode links, and connects the minus earth of capacitor C 1 with the positive pole of capacitor C 1 simultaneously.One end of the positive pole of diode D1 and resistance R 2 links, and the other end of resistance R 2 is connected with 14 pin of ic chip 1 (CD4017).
16 pin of decade counter ic chip 1 (CD4017) connect power supply, 8 pin connect ground connection with 13 pin, the terminal 5 of 1 pin and toggle switch K1, terminal 5D_ terminal 15D_, 3 pin of IC5 (CD4066) connect, the terminal 1 of 2 pin and toggle switch K1, terminal 1D_ terminal 11D_, 3 pin of IC4 (CD4066) connect, the terminal 0 of 3 pin and toggle switch K1, terminal 0D_, terminal 10D_, 20D_, 1 pin of IC4 (CD4066), 1 pin of IC8 connects, the terminal 2 of 4 pin and toggle switch K1, terminal 2D_ terminal 12D_, 8 pin of IC4 (CD4066) connect, 1 pin of IC7 (CD4066) connects, the terminal 6 of 5 pin and toggle switch K1, terminal 6D_ terminal 16D_, 8 pin of IC5 (CD4066), 1 pin of IC8 connects, the terminal 7 of 6 pin and toggle switch K1, terminal 7D_ terminal 17D_, 10 pin of IC5 (CD4066), 3 pin of IC8 connect, the terminal 3 of 7 pin and toggle switch K1, terminal 3D_ terminal 13D_, 10 pin of IC4 (CD4066), 3 pin of IC7 connect, the terminal 8 of 9 pin and toggle switch K1, terminal 8D_ terminal 18D_, 1 pin of IC6 (CD4066), 8 pin of IC8 connect, the terminal 4 of 10 pin and toggle switch K1, terminal 4D_ terminal 14D_, 1 pin of IC5 (CD4066), 8 pin of IC7 connect, the terminal 9 of 11 pin and toggle switch K1, terminal 9D_ terminal 19D_, 3 pin of IC6 (CD4066), 10 pin of IC8 connect, 12 pin connect with 14 pin of IC2 (CD4017), one end of 15 pin and resistance R 3,15 pin of IC2 (CD4017), 13 pin of IC3 (CD4012) connect, the other end ground connection of resistance R 3.
16 pin of IC2 (CD4017) connect power supply, 8 pin are connected with 13 pin and ground connection, 1 pin connects the terminal 50 of toggle switch K2,2 pin connect the terminal 10 of toggle switch K2,6 pin, 12 pin of IC6 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC7 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC8 (CD4066), 3 pin connect the terminal 0 of toggle switch K2,5 pin, 6 pin, 13 pin, 12 pin of IC4 (CD4066), 5 pin, 6 pin, 13 pin, 12 pin of IC5 (CD4066), 5 pin, 13 pin of IC6 (CD4066), 4 pin connect the terminal 20 of toggle switch K2,13 pin of IC9,5 pin connect the terminal 60 of toggle switch K2,6 pin connect the terminal 70 of toggle switch K2,7 pin connect the terminal 30 of toggle switch K2,9 pin connect the terminal 80 of toggle switch K2, terminal 40,11 pin that 10 pin meet toggle switch K2 connect the terminal 90 of toggle switch K2.
14 pin of IC3 (CD4012) connect power supply, 7 pin ground connection, and 1 pin connects I9 pin 10 pin 11 pin 12 pin, and 2 pin meet the terminal C of 3 pin, dial-up K1, and 4 pin meet the terminal C of 5 pin, toggle switch K2.
14 pin of IC4 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 0D, 4 pin meet 1D, and 9 pin meet 2D, and 11 pin meet 3D.
14 pin of IC5 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 4D, 4 pin meet 5D, and 9 pin meet 6D, and 11 pin meet 7D.
14 pin of IC6 (CD4066) connect power supply, 7 pin ground connection, and 2 pin connecting terminal 8D, 4 pin meet 9D, and 9 pin meet 10D, and 11 pin meet 11D.
14 pin of IC7 (CD4066) connect power supply, 7 pin ground connection, 2 pin connecting terminal 12D, 4 pin connecting terminal 13D, 9 pin connecting terminal 14D, 11 pin connecting terminal 15D.
14 pin of IC8 (CD4066) connect power supply, 7 pin ground connection, 2 pin connecting terminal 16D, 4 pin connecting terminal 17D, 9 pin connecting terminal 18D, 11 pin connecting terminal 19D.
14 pin of IC9 (CD4066) connect power supply, 7 pin ground connection.
Toggle switch K1 and toggle switch K2 are used for respectively individual, ten road number of times is set, and are 9 passages as passage, and toggle switch K1 is allocated to 9 so, and toggle switch K2 is allocated to 0.Be 19 as passage, it is 1 that individual position is 9,10, and toggle switch K1 is allocated to 9 so, and toggle switch K2 is allocated to 1.Wanting the steel signal is single pulse signal, and rising edge triggers, and the pulse input circuit of being made up of R1, R2, C1, D1 enters.Wanting the steel signal can be heat inspection signal, also can be the draught pressure signal, or both combinations.Rolled after steel, when carrying out steel next time rolling, come a less important steel signal, following a time rolling.Before the steel rolling at the beginning initial passage output 0D be 1, i.e. high level is when wanting after the steel signal comes, high level is transferred to 1 passage, and 1D output becomes 1,0D and is changed to 0, all the other all are 0, after this passage has been rolled, the steel signal to send, following a time rolling, 1D output becomes low level, high level is transferred to 2D, and after last passage had been rolled, high level returned initial passage D0 automatically by that analogy.By IC1, two ten counter modules processed that IC2 forms carry out the counting of umber of pulse, when the umber of pulse meter to 10 the time, 12 pin of IC1 are exported a carry pulse, the counting of IC2 advances last one, namely 10, see pin two, this pin is that high level is opened IC7, IC8, the 10D_10 that three switch modules of IC6 are controlled, 11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, 19D_19D is totally 10 pairs of terminals, at this moment high level is got back to 0D_ again on IC1, because 0D_ is connected with 10D_, so 10D exports high level, counting carries out at 10 like this, when IC1 counts ten numbers again, one namely 20 again of IC2, see pin 4, this pin is the 20D_20D terminal that level control IC9 switch module is controlled, 20D terminal output high level.When the umber of pulse of the umber of pulse of counting and setting is consistent, be example with 19, the 9th of IC1 the counting arteries and veins output 11 pin are exported high level so, the 2nd pin count pulse output output high level signal of IC2, two signals enter simultaneously the circuit of being formed by NAND gate carry out with, with the result from the output of 13 pin of IC3, the high level signal of 13 pin output triggers IC1, reset terminal 15 pin of IC2 reset, 3 pin of IC1 are high level, 3 pin of IC2 are high level, and terminal 19D_ becomes low level by high level, and the pin two of IC2 becomes low level by high level, terminal 0D_ gets back to high level, namely gets back to initial road next state.
The on-off circuit that IC4, IC5, IC6 form to 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, 9D_9D totally 10 pairs of terminals carry out the control of switch, the on-off circuit that IC6, IC7, IC8 form to 10D_10,11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, 19D_19D totally 10 pairs of terminals carry out the control of switch, the on-off circuit that IC9 forms is controlled terminal 20D_20D.When set road number of times less than 10 the time, 5 pin, 6 pin, 13 pin, 12 pin of the 3 pin output high level control IC4 of IC2,5 pin, 6 pin, 13 pin, 12 pin of IC5,13 pin, 5 pin of IC6, at this moment 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D are connected, the 2 pin output low levels of IC2,12 pin, 6 pin of control IC6,5 pin, 6 pin, 12 pin, 13 pin of IC7,5 pin, 6 pin, 12 pin, 13 pin of IC8,10D_10,11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, totally 10 pairs of terminals of 19D_19D closes, the 4 pin output low levels of IC2, terminal 20D_20D closes, and can only carry out the counting below 10 like this.The blocking the way number of times was more than or equal to 10 o'clock, count pulse is less than 10 at the beginning, there is not carry, 3 pin of IC2 are high level, 0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D are in logical state, all the other terminals all are in closed condition, when first 10 pulse arrives, the 3 pin output of IC2 becomes 0,0D_0D, 1D_1D, 2D_2D, 3D_3D, 4D_4D, 5D_5D, 6D_6D, 7D_7D, 8D_8D, these 10 pairs of terminals of 9D_9D turn-off, 2 pin output high level, 10D_10D, 11D_11D, 12D_12D, 13D_13D, 14D_14D, 15D_15D, 16D_16D, 17D_17D, 18D_18D, these 10 pairs of terminals of 19D_19D are connected, and all the other terminals are all closed, when second 10 pulse arrives, IC2 advances one again, and 2 pin become low level, 4 pin output high level, terminal 20D_20D connects, finished 1 to 20 counting process like this, certainly also to continue at most only to count umber of pulse to 20 in the present embodiment toward enterprising number.So each, a less important steel signal high level begins toward high-order movement from 1D, the highest can be to 20D, when the passage of number of terminals and setting was consistent, high level returned original passage 0D terminal.Terminal can connect with the rolling specs memory cell in a variety of forms from 1D to 20D, can directly trigger the address of the memory cell of depositing rolling specs, memory cell is sent into rolling setting to the rolling specs data by data/address bus, also can directly drive relay utilizes contact to go to connect with the unit of rolling specs, also can connect corresponding passage indicator lamp simultaneously as demonstration, can also connect with single-chip microcomputer and carry out corresponding control.
The control method of passage automatic switching control equipment is: the operative employee sequences the rolling specs of each passage according to technology, specification requirement in advance and it is stored in the corresponding memory cell, sets rolling road number of times.The high level of automatic passage switching device shifter terminal output is in initial passage position at the beginning, when steel billet is come, the position that heat inspection signal is measured steel, send a high level pulse and trigger the passage automatic switching control equipment, the high level signal of the output of passage automatic switching control equipment switches to the first passage terminal, the high level of the crazy terminal output of first passage triggers the memory unit address of the rolling drafts of first passage, see Fig. 2, a kind of passage automatic switching control equipment control method block diagram, the rolling drafts of the first passage memory cell is sent into rolling mill intermesh determination data/address bus by 16 bit data bus, carries out the rolling of first passage.Produce the draught pressure signal in the operation of rolling, as the pulse-triggered level, rolled after first passage, the draught pressure signal is zero generation, one high level pulse, send into the pulse input end of passage automatic switching control equipment, the passage automatic switching control equipment blocks the first passage memory cell automatically, switch to the second passage terminal, the second passage output sends the high level output signal, trigger the memory unit address of second reduction in pass, the rolling drafts of the second passage memory cell is sent into rolling mill intermesh determination data/address bus by 16 bit data bus and is carried out the rolling of second passage, after second passage has been rolled, begin the rolling of the 3rd passage again, until last passage passage is set namely by that analogy and has rolled, count requirement according to rolling pass, after rolling road number of times reaches the rolling pass number, the passage automatic switching control equipment returns initial passage automatically, has so just finished the automatic rolling process of a steel.
The computational process of economic benefit of the present invention: needed for 90 times in second with every rolling steel, after using the passage automatic switching control equipment, rolling every time saved for 5 seconds at least, with the rolling 100 blocks of middle plates of class, press 2 tons of calculating, remove reasons such as predetermined heating time for every, a steel can roll more in each class, such one day at least can how rolling two blocks of steel, and with 0.1 ten thousand yuan of calculating of profit of one ton of steel, the profit that produced in a year is as follows so.
Computing formula: 12 * 30 * (2 * 2 tons) * 0.1 ten thousand yuan/ton=1,440,000 yuan
The energy, water, electricity and equipment loss during this does not also calculate and stops rolling.
Claims (1)
1. passage automatic switching control equipment is characterized in that:
It is made up of pulse input circuit, system calculator, NAND gate circuit, on-off circuit;
The model of ic chip 1, ic chip 2 is CD4017; The model of ic chip 3 is CD4012; The model of ic chip 4, ic chip 5, ic chip 6, ic chip 7, ic chip 8, ic chip 9 is CD4066;
Described pulse input circuit is made up of resistance R 1 and R2, capacitor C 1, these three kinds of electric elements of diode D1, wherein, an end of resistance R 1 connects with the negative pole of diode, and the other end of resistance R 1 and the positive pole of diode link, simultaneously connect the minus earth of capacitor C 1 with the positive pole of capacitor C 1; One end of the positive pole of diode D1 and resistance R 2 links, and the other end of resistance R 2 is connected with 14 pin of ic chip 1;
The system calculator, it is made up of ic chip 1 and ic chip 2;
Wherein, 16 pin of IC1 connect power supply, and 8 pin of IC1 connect ground connection with 13 pin of IC1;
1 pin of IC1 is connected with 3 pin of the terminal 5 of toggle switch K1, terminal 5D_, terminal 15D_, IC5;
2 pin of IC1 are connected with 3 pin of the terminal 1 of toggle switch K1, terminal 1D_, terminal 11D_, IC4;
3 pin of IC1 are connected with 1 pin of the terminal 0 of toggle switch K1, terminal 0D_, terminal 10D_, 20D_, IC4,1 pin of IC8;
4 pin of IC1 are connected with 8 pin of the terminal 2 of toggle switch K1, terminal 2D_, terminal 12D_, IC4,1 pin of IC7;
5 pin of IC1 are connected with 8 pin of the terminal 6 of toggle switch K1, terminal 6D_, terminal 16D_, IC5,1 pin of IC8;
6 pin of IC1 are connected with 10 pin of the terminal 7 of toggle switch K1, terminal 7D_, terminal 17D_, IC5,3 pin of IC8;
7 pin of IC1 are connected with 10 pin of the terminal 3 of toggle switch K1, terminal 3D_, terminal 13D_, IC4,3 pin of IC7;
9 pin of IC1 are connected with 1 pin of the terminal 8 of toggle switch K1, terminal 8D_, terminal 18D_, IC6,8 pin of IC8;
10 pin of IC1 are connected with 1 pin of the terminal 4 of toggle switch K1, terminal 4D_, terminal 14D_, IC5,8 pin of IC7;
3 pin of 11 pin of IC1 and the terminal 9 of toggle switch K1, terminal 9D_, terminal 19D_, IC6,10 pin of IC8 connect;
12 pin of IC1 are connected with 14 pin of IC2;
15 pin of IC1 connect the other end ground connection of resistance R 3 with 15 pin of an end of resistance R 3, IC2,13 pin of IC3;
Wherein, 16 pin of IC2 connect power supply, and 8 pin of IC2 are connected with 13 pin and ground connection;
1 pin of IC2 connects the terminal 50 of toggle switch K2;
2 pin of IC2 connect the terminal 10 of toggle switch K2,6 pin of IC6,12 pin of IC6,5 pin of IC7,6 pin of IC7,13 pin of IC7,12 pin of IC7,5 pin of IC8,6 pin of IC8,13 pin of IC8,12 pin of IC8;
3 pin of IC2 connect the terminal 0 of toggle switch K2,5 pin of IC4,6 pin of IC4,13 pin of IC4,12 pin of IC4,5 pin of IC5,6 pin of IC5,13 pin of IC5,12 pin of IC5,5 pin of IC6,13 pin of IC6;
4 pin of IC2 connect the terminal 20 of toggle switch K2,13 pin of IC9,
5 pin of IC2 connect the terminal 60 of toggle switch K2,
6 pin of IC2 connect the terminal 70 of toggle switch K2,
7 pin of IC2 connect the terminal 30 of toggle switch K2,
9 pin of IC2 connect the terminal 80 of toggle switch K2,
10 pin of IC2 connect the terminal 40 of toggle switch K2,
11 pin of IC2 connect the terminal 90 of toggle switch K2;
It is made up of NAND gate circuit ic chip 3, and 14 pin of IC3 connect power supply, the 7 pin ground connection of IC3, and 1 pin of IC3 connects 10 pin of 9 pin of IC3, IC3,11 pin of IC3,12 pin of IC3; 2 pin of IC3 meet 3 pin of IC3, the terminal C of toggle switch K1, and 4 pin of IC3 meet the terminal C of 5 pin of IC3, toggle switch K2;
On-off circuit is made up of IC4, IC5, IC6, IC7, IC8, IC9;
14 pin of IC4 connect power supply, the 7 pin ground connection of IC4, the 2 pin connecting terminal 0D of IC4, the 4 pin connecting terminal 1D of IC4, the 9 pin connecting terminal 2D of IC4, the 11 pin connecting terminal 3D of IC4;
14 pin of IC5 connect power supply, the 7 pin ground connection of IC5, the 2 pin connecting terminal 4D of IC5, the 4 pin connecting terminal 5D of IC5, the 9 pin connecting terminal 6D of IC5, the 11 pin connecting terminal 7D of IC5;
14 pin of IC6 connect power supply, the 7 pin ground connection of IC6, the 2 pin connecting terminal 8D of IC6, the 4 pin connecting terminal 9D of IC6, the 9 pin connecting terminal 10D of IC6, the 11 pin connecting terminal 11D of IC6;
14 pin of IC7 connect power supply, the 7 pin ground connection of IC7, the 2 pin connecting terminal 12D of IC7, the 4 pin connecting terminal 13D of IC7, the 9 pin connecting terminal 14D of IC7, the 11 pin connecting terminal 15D of IC7;
14 pin of IC8 connect power supply, the 7 pin ground connection of IC8, the 2 pin connecting terminal 16D of IC8, the 4 pin connecting terminal 17D of IC8, the 9 pin connecting terminal 18D of IC8, the 11 pin connecting terminal 19D of IC8;
14 pin of IC9 connect power supply, the 7 pin ground connection of IC9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410471 CN102513366B (en) | 2011-12-08 | 2011-12-08 | Channel automatic switching device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410471 CN102513366B (en) | 2011-12-08 | 2011-12-08 | Channel automatic switching device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102513366A CN102513366A (en) | 2012-06-27 |
| CN102513366B true CN102513366B (en) | 2013-09-25 |
Family
ID=46284576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110410471 Active CN102513366B (en) | 2011-12-08 | 2011-12-08 | Channel automatic switching device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102513366B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2514534B1 (en) * | 2009-12-15 | 2016-03-16 | Primetals Technologies Japan, Ltd. | Equipment for manufacturing a cold-rolled material, and cold-rolling method |
-
2011
- 2011-12-08 CN CN 201110410471 patent/CN102513366B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102513366A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101206754A (en) | Method for optimizing distribution of thermal power station load based on a plurality of restriction rules | |
| CN101221417B (en) | Virtual rolling simulation method of hot tandem rolling strip steel | |
| CN103752657B (en) | A kind of control system preventing straightener roll of straightener from transshipping | |
| CN103166221B (en) | Ultra-high voltage grid operating control mode for controlling in-series execution of performance evaluation criterion | |
| DE2549561C3 (en) | Method and device for regulating the boiler water temperature in a heating system | |
| CN102513366B (en) | Channel automatic switching device and control method thereof | |
| CN102553937A (en) | Five-frame cold continuous rolling unit foundation automatic control system | |
| CN102707231B (en) | Generator set primary frequency regulation analysis system based on matlab/simulink | |
| CN205983123U (en) | Battery pole piece rolling machine controller based on it is embedded | |
| CN105695705A (en) | Basic automatic rolled steel plate rapid cooling system for online solid solution treatment | |
| CN103484652B (en) | Method and device for controlling variable-step loading of heating furnace | |
| EP2685580A2 (en) | Device for determining and/or controlling an operating time of a consumer coupled to a power plant, in particular photovoltaic power plant, and an energy storage device, and method for operating an energy storage device coupled to a power plant | |
| CN201117703Y (en) | Device for automatically arranging tab and pressing cap | |
| CN204062096U (en) | A kind of intelligent tap | |
| CN102513369B (en) | Hydraulic servo simulation control device and method thereof | |
| CN104646432A (en) | Channel gate automatic switching device of reversible rolling mill | |
| WO1999054984A1 (en) | Method for adjusting total output of power engineering installations | |
| CN101477584B (en) | Hot continuous rolling procedure optimized design and structure property prediction system after rolling | |
| CN208969453U (en) | A kind of manual station structure of fired power generating unit simulation | |
| CN201791794U (en) | Main pressure and compensatory pressure electronic adjustment system of common bender | |
| CN204648934U (en) | A kind of drive mechanism of fire grate | |
| DE202006008451U1 (en) | Circuit arrangement for distribution of power demand of large consumer loads, has priority circuit joined to desired value inputs of large appliance | |
| CN211571815U (en) | Gear shifting human-computer interface device of bulldozer | |
| CN208051267U (en) | Half component bridges busbar accommodating tool | |
| DE102009052452A1 (en) | Method and device for optimizing the energy consumption of a device with a large number of electrical consumers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Quanguan Inventor before: Lu Quanguan |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |