CN2186293Y

CN2186293Y - Fixed torque controller of power pliers

Info

Publication number: CN2186293Y
Application number: CN 93232393
Authority: CN
Inventors: 刘延增
Original assignee: LINQU PETROLEUM MACHINERY GENERAL FACTORY SHANDONG PROV
Current assignee: LINQU PETROLEUM MACHINERY GENERAL FACTORY SHANDONG PROV
Priority date: 1993-11-26
Filing date: 1993-11-26
Publication date: 1994-12-28
Anticipated expiration: 2003-11-26

Abstract

The utility model relates to a fixed torque controller of power pliers, which relates to the technical field of automatic control. The fixed torque controller of power pliers comprises an amplifier, a torque selecting and comparing device, an anti-interference circuit, a computer, an output device and power supply. The utility model provides with an automatic control system with the control of a single chip. Thus the fixing quality of the power pliers can be increased; the work efficiency can be increased; the operation can be simplified; the labor intensity of the workers can be reduced.

Description

Fixed torque controller of power pliers

The utility model relates to the control technology field.

At present, the Power Tong that the oil field well workover is used mostly is mechanical device, and manual mode is taked in its liquid level commutation, the control of torque wrench moment is judged with operator's eyes entirely, eyes will arrive when having reached torque wrench moment, and the operation hand-operated direction valve makes the Power Tong stall, therefore, last button is of poor quality, and the upward button that has is too tight, unloads not open during to next well workover, too pine is detained in going up of having, and easily causes dropout.The Power Tong that has has numerical control device, but this numerical control device complex structure requires tight, high to operator's cultural quality requirement to operating environment.

The purpose of this utility model is a kind of Power Tong torque wrench moment controller of design, not only improves the quality of detaining on the Power Tong, and increases work efficiency, and alleviates working strength of workers.

This Power Tong torque wrench moment controller, comprise amplifier, moment of torsion selection and comparator, anti-jamming circuit, design machine, follower, power supply, it is characterized in that, amplifier is by running amplifier IC1, IC2, IC3, IC4 and resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R27, R28, and capacitor C 1, C2, C3 form.Resistance R 1, the end of R3 is connected on 11 ends of the transducing signal of input respectively, R1, the other end of R3 is connected on capacitor C 1 respectively, C2, resistance R 2, on the common port that R4 forms, C1, the other end ground connection of C2, R2, the other end of R4 is connected on R6, R5 and IC1, on the common port that 3 pin of IC2 are formed, R6, the other end ground connection of R5, IC1,7 pin of IC2 connect+the 9V power supply, IC1,4 pin of IC2 connect-the 9V power supply, IC1,6 pin of IC2 are connected on R8 respectively, R7 and R10, on the common port that R11 forms, 2 pin of IC1 are connected on the common port that the end of the other end of R8 and R9 forms, 2 pin of IC2 are connected on the common port that the other end of R10 and R9 forms, the other end of R7 is connected on 2 pin and the R12 of IC3, on the common port that C3 forms, the other end of R11 is connected on the common port that 3 pin of IC3 and R28 form, the other end ground connection of R28,6 pin of IC3 are connected on C3, on the common port that the other end of R12 and R27 form, 7 pin of IC3 connect+the 9V power supply, 4 pin of IC3 connect-the 9V power supply, on the common port that 2 pin of another termination IC4 of R27 and R13 form, 6 pin of IC4 are connected on the other end of R13, be connected on simultaneously on the common port of R15-R18 composition, 3 pin of IC4 connect the end of R14, the other end ground connection of R14,7 pin of IC4 connect+the 9V power supply, and 4 pin of IC4 connect-the 9V power supply; Moment of torsion selection and comparator are by resistance R 15, R16, R17, R18, R19, R22, Zener diode D1, operational amplifier IC5, three terminal integrated voltage stabilizer IC14 and band switch K1 form, the common port of R15-R18 is connected on 6 pin of IC4, on the common port that 2 pin that the other end of R15-R18 relies on band switch K1 to be connected on R19 and IC5 are respectively formed, the other end ground connection of R19,3 pin of IC5 are connected on the common port of D1 and R22, the other end ground connection of D1,7 pin of IC5 are connected on the other end of R22, and connect simultaneously+the 9V power supply, 4 pin of IC5 connect-the 9V power supply, 6 pin of IC5 connect 1 pin of IC14, the 2 pin ground connection of IC14, and 3 pin of IC14 connect 3 pin of IC6; Anti-jamming circuit is by resistance R 20, R21, R23, R24, capacitor C 4, C5, C8, button AN3, time base circuit IC7, ten secondary binary counter IC8, four or door IC13 form, the 1 pin ground connection of IC7,2 pin of IC7 and 6 pin also connect C4 and the common port of R21 composition, the other end ground connection of C4,7 pin of IC7 connect the common port of the R21 other end and R20 composition, 8 pin of IC7 and 4 pin also connect the other end of R20 and 16 pin and the R23 of IC8, the common port that C8 one end is formed, connect simultaneously+the 5V power supply, 3 pin of IC7 connect 10 pin of IC8,5 pin of IC7 connect the end of C5, the other end ground connection of C5,1 pin of IC8 connects 2 pin of IC13,11 pin of IC8 connect 15 pin of IC6, the 8 pin ground connection of IC8, the end of another termination AN3 of R23, the other end of C8 is connected on the other end by AN3, the end of R24, on the common port that 4 pin of IC12 and 1 pin of IC13 are formed, the other end ground connection of R24,3 pin of IC13 connect 9 pin of IC6; Computer is by button AN1, AN2, resistance R 26, R25, capacitor C 6, C7, crystal oscillator M1, single-chip microcomputer IC6, latch IC9, memory IC10 forms, 1 pin of IC6 connects the common port of R26 and AN2 composition, 2 pin of IC6 connect the common port of R25 and AN1, R26, another termination+5V power supply of R25, the other end ground connection of AN1 and AN2,3 pin of IC6 connect 3 pin of IC14,9 pin of IC6 connect 3 pin of IC13,15 pin of IC6 connect 11 pin of IC8,17 pin of IC6 connect 9 pin of IC12, IC6 has 16 pin to connect 10 pin of IC12,18 pin of IC6 meet C7, the common port of M1,19 pin of IC6 connect on the common port that the other end of C6 and M1 forms, the other end of C7 and C6 ground connection in parallel, 21 pin of IC6 connect 25 pin of IC10, connect 7 pin of IC12 simultaneously, 22 pin of IC6,23 pin, 24 pin, 25 pin are connected on 24 pin of IC10 respectively, 21 pin, 23 pin, 2 pin, 26 pin of IC6,27 pin connect 1 pin of IC11 respectively, 2 pin, 28 pin of IC6 connect 20 pin of IC10, connect 3 pin of IC11 simultaneously, 29 pin of IC6 connect 22 pin of IC10,30 of IC6,32,33,34,35,36,37,38 pin are connected on 11 of IC9 respectively, 18,17,14,13,8,7,4, on 3 pin, and be connected on 11 of IC12 simultaneously, 19,18,17,16,15,14,13, on 12 pin, 32 of IC6,33,34,35,36,37,38,39 pin are connected on 19 of IC10 again simultaneously, 18,17,16,15,13,12, on 11 pin, 20 pin of IC6,31 pin ground connection in parallel, 40 pin of IC6 connect+the 5V power supply, 1 pin of IC9,10 pin ground connection in parallel, 20 pin of IC9 connect+the 5V power supply, 2 of IC9,5,6,9,12,15,16,19 pin are connected on 10 of IC10 respectively, 9,8,7,6,5,4,3 pin, the 14 pin ground connection of IC10,28 pin of IC10,27 pin, 1 pin and connection+5V power supply; Follower is made up of three or eight decoder IC11 and parallel

interface chip IC

12,6 pin of IC11,16 pin and connection+5V power supply, 4 pin of IC11,5 pin, 8 pin ground connection in parallel, 1 of IC11,2,3 pin meet 26 of IC6 respectively, 27,28 pin, 9 pin of IC11 connect 8 pin of IC12,40 pin of IC12 connect+the 5V power supply, 11 of IC12,12,13,14,15,16,17,18,19 pin meet 30 of IC6 respectively, 39,38,37,36,35,34,33,32 pin, 9 pin of IC12,10 pin connect 17 pin of IC6 respectively, 16 pin, 4 pin of IC12 connect the end of AN3,7 pin of IC12 connect 21 pin of IC6,21 pin of IC12,29 pin meet the solid-state relay JGX of executing agency respectively; Power supply is by 24V battery XD, and three terminal integrated voltage stabilizer IC15, IC16, IC17 form.1 end of XD, 3 ends are connected on respectively on the direct current 24V power supply of input, the centre tap 2 end ground connection of XD, 1 end of XD is connected on 1 pin of IC15 simultaneously, 3 of XD terminates at 1 pin of IC16,3 pin of IC15 and 1 pin of IC17 connect+the 9V output simultaneously, 3 pin of IC16 connect-9V output, and 3 pin of IC17 connect+5V output, 2 pin of IC15, IC16, IC17 ground connection in parallel.

This Power Tong torque wrench moment controller, when last button, the signal of telecommunication that the power sensor produces with stressed variation, be input in the amplifier, through amplifying, relatively wait link, when reaching with the selected corresponding signal voltage of torque value, computer cuts off the power supply of the electromagnetic valve of executing agency promptly by the solid-state relay JGX of parallel interface output zero level to executing agency, stops to go up button, reach the purpose of automatic control torque wrench moment, during shackle, by the manually-operated Power Tong, the signal Fails To Respond of computer to transporting from sensor.Thereby realized that torque wrench moment controls automatically, button quality in the raising, and improve work efficiency, and simplify the operation, alleviate working strength of workers.

Accompanying drawing shows the schematic diagram of this Power Tong torque wrench moment controller.Wherein:

Fig. 1 shows the functional-block diagram of the circuit structure of this controller;

Fig. 2 shows the electrical schematic diagram of the amplifier section of this controller;

Fig. 3 shows the moment of torsion of this controller and selects and electrical schematic diagram relatively;

Fig. 4 shows the electrical schematic diagram of the anti-interference part of this controller;

Fig. 5 shows the electrical schematic diagram of the computer part of this controller;

Fig. 6 shows the electrical schematic diagram of the output of this controller;

Fig. 7 shows the electrical schematic diagram of the power unit of this controller.

In the present embodiment, this Power Tong torque wrench moment controller comprises amplifier (1), moment of torsion is selected and comparator (2), anti-jamming circuit (3), computer (4), follower (5) and power supply (6), it is characterized in that amplifier (1) is by operational amplifier IC1, IC2, IC3, IC4, and resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R27, R28, capacitor C 1, C2, C3 forms, resistance R 1, the end of R3 is connected on 11 ends of the transducing signal of input respectively, R1, the other end of R3 is connected on capacitor C 1 respectively, C2, resistance R 2, on the common port that R4 forms, C1, the other end ground connection of C2, R2, the other end of R4 is connected on R5, R6 and IC1, on the common port that 3 pin of IC2 are formed, R6, the other end ground connection of R5, IC1,7 pin of IC2 connect+the 9V power supply, 4 pin connect-the 9V power supply, 6 pin are connected on R8 respectively, R7 and R10, on the common port that R11 forms, 2 pin of IC1 are connected on the common port that the end of the other end of R8 and R9 forms, 2 pin of IC2 are connected on the common port that the other end of R9 and R10 forms, the other end of R7 is connected on 2 pin and the R12 of IC3, on the common port that C3 forms, the other end of R11 is connected on the common port that 3 pin of IC3 and R28 form, the other end ground connection of R28,6 pin of IC3 are connected on C3, on the common port that the other end of R12 and R27 form, 7 pin of IC3 connect+the 9V power supply, 4 pin of IC3 connect-the 9V power supply, on the common port that 2 pin of another termination IC4 of R27 and R13 form, 6 pin of IC4 are connected on the other end of R13, be connected on simultaneously on the common port of R15-R18 composition, 3 pin of IC4 connect the end of R14, the other end ground connection of R14,7 pin of IC4 connect+the 9V power supply, and 4 pin of IC4 connect-the 9V power supply; Moment of torsion is selected and comparator, by resistance R 15, R16, R17, R18, R19, R22, Zener diode D1, operational amplifier IC5, three terminal integrated voltage stabilizer IC14 and band switch K1 form, the common port of R15-R18 is connected on 6 pin of IC4, on the common port that 2 pin that the other end of R15---R18 relies on band switch K1 to be connected on R19 and IC5 are respectively formed, and the other end ground connection of R19,3 pin of IC5 are connected on the common port of D1 and R22, the other end ground connection of D1,7 pin of IC5 are connected on the other end of R22, and connect simultaneously+the 9V power supply, 4 pin of IC5 connect-the 9V power supply, 6 pin of IC5 connect 1 pin of IC14, the 2 pin ground connection of IC14, and 3 pin of IC14 connect 3 pin of IC6; Anti-jamming circuit is by resistance R 20, R21, R23, R24, capacitor C 4, C5, C8 button AN3, time base circuit IC7, ten secondary binary counter IC8, four or door IC13 form, the 1 pin ground connection of IC7,2 pin of IC7 and 6 pin also connect C4 and the common port of R21 composition, the other end ground connection of C4,7 pin of IC7 connect the common port of the R21 other end and R20 composition, 8 pin of IC7 and 4 pin also connect the other end of R20 and 16 pin and the R23 of IC8, the common port that C8 one end is formed, connect simultaneously+the 5V power supply, 3 pin of IC7 connect 10 pin of IC8, and 5 pin of IC7 connect the end of C5, the other end ground connection of C5,1 pin of IC8 connects 2 pin of IC13,11 pin of IC8 connect 15 pin of IC6, the 8 pin ground connection of IC8, the end of another termination AN3 of R23, the other end of C8 is connected on the other end by AN3, the end of R24, on the common port that 4 pin of IC12 and 1 pin of IC13 are formed, the other end ground connection of R24,3 pin of IC13 connect 9 pin of IC6; Computer is by button AN1, AN2, resistance R 26, R25, capacitor C 6, C7, crystal oscillator M1, single-chip microcomputer IC6, latch IC9, memory IC10 forms, 1 pin of IC6 connects the common port of R26 and AN2 composition, 2 pin of IC6 connect the common port of R25 and AN1, R26, another termination+5V power supply of R25, the other end ground connection of AN1 and AN2,3 pin of IC6 connect 3 pin of IC14,9 pin of IC6 connect 3 pin of IC13,15 pin of IC6 connect 11 pin of IC8, the IC617 pin connects 9 pin of IC12,16 pin of IC6 connect 10 pin of IC12,18 pin of IC6 meet C7, the common port of M1,19 pin of IC6 connect the common port of the other end composition of C6 and M1, the other end of C7 and C6 ground connection in parallel, 21 pin of IC6 connect 25 pin of IC10, connect 7 pin of IC12 simultaneously, 22 pin of IC6,23 pin, 24 pin, 25 pin are connected on 24 pin of IC10 respectively, 21 pin, 23 pin, 2 pin, 26 pin of IC6,27 pin connect 1 pin of IC11 respectively, 2 pin, 28 pin of IC6 connect 20 pin of IC10, connect 3 pin of IC11 simultaneously, 29 pin of IC6 connect 22 pin of IC10,30 of IC6,32,33,34,35,36,37,38 pin are connected on 11 of IC9 respectively, 18,17,14,13,7,4, on 3 pin, and be connected on 11 of IC12 simultaneously, 19,18,17,16,15,14,13, on 12 pin, 32 of IC6,33,34,35,36,37,38,39 pin, be connected on 19 of IC10 again simultaneously, 18,17,16,15,13,12, on 11 pin, 20 pin of IC6,31 pin ground connection in parallel, 10 pin of IC6 connect+the 5V power supply, 1 pin of IC9,10 pin ground connection in parallel, 20 pin of IC9 connect+the 5V power supply, 2 of IC9,5,6,9,12,15,16,19 pin are connected on 10 of IC10 respectively, 9,8,7,6,5,4,3 pin, the 14 pin ground connection of IC10,28 pin of IC10,27 pin, 1 pin and connection+5V power supply; Follower is made up of three or eight decoder IC11 and parallel

interface chip IC

12,6 pin of IC11,16 pin and connection+5V power supply, 4 pin of IC11,5 pin, 8 pin ground connection in parallel, 1 of IC11,2,3 pin meet 26 of IC6 respectively, 27,28 pin, 9 pin of IC11 connect 8 pin of IC12,40 pin of IC12 connect+the 5V power supply, 11 of IC12,12,13,14,15,16,17,18,19 pin meet 30 of IC6 respectively, 39,38,37,36,35,34,33,32 pin, 9 pin of IC12,10 pin connect 17 pin of IC6 respectively, 16 pin, 4 pin of IC12 connect the end of AN3,7 pin of IC12 connect 21 pin of IC6,21 pin of IC12,29 pin meet the solid-state relay JGX of executing agency respectively; Power supply is made up of 24V battery XD, three terminal integrated voltage stabilizer IC15, IC16, IC17,1 end of XD, 3 ends are connected on respectively on the direct current 24V power supply of input, the centre tap 2 end ground connection of XD, 1 end of XD is connected on 1 pin of IC15 simultaneously, 3 of XD terminates at 1 pin of IC16, and 3 pin of IC15 and 1 pin of IC17 connect+the 9V output simultaneously, and 3 pin of IC16 connect-9V output, 3 pin of IC17 connect+5V output, 2 pin of IC15, IC16, IC17 ground connection in parallel.

The operating principle of this Power Tong torque wrench moment controller is summarized as follows: when sensor is stressed, signal 11 ends of its output are delivered to the R1 of amplifier circuit respectively, the end of R3, respectively through R1, C1, R2 and R3, C2, R4 filtering, current limliting is input to IC1 later on, 3 pin of IC2, through IC1, the 6 pin output voltage V 01 of IC2, V02, V01 is through 2 pin of resistance R 7 to IC3, V02 is through 3 pin of R11 to IC3, the 6 pin output voltage V 03 of IC3 are through 2 pin of R27 to IC4, the 6 pin output voltage V 04 of IC4 are via R15-R18, after the moment of torsion selector dividing potential drop that R19 forms, to 2 pin of IC5, the 6 pin voltages of IC5 are through 3 pin of IC14 3 pin to IC6 through the upper end of R19.During last button operation, when last button button AN1 is pressed, and 3 pin of IC6 are when being high level, machine computing as calculated, and by 21 pin, the 29 pin output voltages of IC12, the power supply of button electromagnetic valve coil in the solid-state relay JGX connection of pushing executing mechanism.When 3 pin of IC6 are low level, the power supply of button electromagnetic valve coil in the cut-out.During the shackle operation, no matter the 3 pin level of IC6 are high and low, all reactionless to signal, as long as depress shackle button AN2, the solid-state relay JGX of executing agency promptly connects the power supply of shackle electromagnetic valve coil, when the AN2 button unclamps, promptly cuts off the electricity supply.

In the present embodiment, the selection of each electric elements is as follows:

IC1, IC2, IC3, IC4, IC5 is 0977 operational amplifier, IC6 is 8031 single-chip microcomputers, IC7 is 555 time base circuits, IC8 is CD4040B ten secondary binary counters, IC9 is a 74LS3738D type latch, IC10 is the 27C84 erasable memory, IC11 is 7,4LS,138 three or eight decoders, IC12 is 8155 parallel interface chips, IC13 is 74L,S32 four or door, IC14 is the W7805 three terminal integrated voltage stabilizer, IC15, IC16 is the W7909 three terminal integrated voltage stabilizer, IC17 is the W7805 three terminal integrated voltage stabilizer, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28 is a RJX type metalfilmresistor, C1, C2, C3, C8 is a CD11 type electrolytic capacitor, C4, C5, C6, C7 is a CZJ2 type ceramic disc capacitor device, M1 is the KDS5F6M crystal oscillator, D1 is the 3V voltage-stabiliser tube, AN1, AN2, AN3 is an AN40 type button, K1 is the KN2X2 band switch, and XD is the 24V lead-acid accumulator.

Claims

1, a kind of Power Tong torque wrench moment controller, comprise amplifier (1), moment of torsion is selected and comparator (2), suppressor (3), computer (4), follower (5) and power supply (6), it is characterized in that, amplifier (1) is by operational amplifier IC1, IC2, IC3, IC4 and resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R27, R28, capacitor C 1, C2, C3 forms, resistance R 1, the end of R3 is connected on 11 ends of the transducing signal of input respectively, R1, the other end of R3 is connected on capacitor C 1 respectively, C2, resistance R 2, on the common port that R4 forms, C1, the other end ground connection of C2, R2, the other end of R4 is connected on R5, R6 and IC1, on the common port that 3 pin of IC2 are formed, R6, the other end ground connection of R5, IC1,7 pin of IC2 connect+the 9V power supply, 4 pin connect-the 9V power supply, 6 pin are connected on R8 respectively, R7 and R10, on the common port that R11 forms, 2 pin of IC1 are connected on the common port that the end of the other end of R8 and R9 forms, 2 pin of IC2 are connected on the common port that the other end of R9 and R10 forms, the other end of R7 is connected on 2 pin and the R12 of IC3, on the common port that C3 forms, the other end of R11 is connected on the common port that 3 pin of IC3 and R28 form, the other end ground connection of R28,6 pin of IC3 are connected on C3, on the common port that the other end of R12 and R27 form, 7 pin of IC3 connect+the 9V power supply, 4 pin of IC3 connect-the 9V power supply, on the common port that 2 pin of another termination IC4 of R27 and R13 form, 6 pin of IC4 are connected on the other end of R13, be connected on simultaneously on the common port of R15-R18 composition, 3 pin of IC4 connect the end of R14, the other end ground connection of R14,7 pin of IC4 connect+the 9V power supply, and 4 pin of IC4 connect-the 9V power supply; Moment of torsion is selected and comparator, by resistance R 15, R16, R17, R18, R19, R22, Zener diode D1, operational amplifier IC5, three terminal integrated voltage stabilizer IC14 and band switch K1 form, the common port of R15-R18 is connected on 6 pin of IC4, on the common port that 2 pin that the other end of R15-R18 relies on band switch K1 to be connected on R19 and IC5 are respectively formed, and the other end ground connection of R19,3 pin of IC5 are connected on the common port of D1 and R22, the other end ground connection of D1,7 pin of IC5 are connected on the other end of R22, and connect simultaneously+the 9V power supply, 4 pin of IC5 connect-the 9V power supply, 6 pin of IC5 connect 1 pin of IC14, the 2 pin ground connection of IC14, and 3 pin of IC14 connect 3 pin of IC6; Anti-jamming circuit is by resistance R 20, R21, R23, R24, capacitor C 4, C5, C8 button AN3, time base circuit IC7, ten secondary binary counter IC8, four or door IC13 form, the 1 pin ground connection of IC7,2 pin of IC7 and 6 pin also connect C4 and the common port of R21 composition, the other end ground connection of C4,7 pin of IC7 connect the other end of R21 and the common port that R20 forms, 8 pin of IC7 and 4 pin also connect the other end of R20 and 16 pin and the R23 of IC8, the common port that C8 one end is formed connects+the 5V power supply simultaneously, and 3 pin of IC7 connect 10 pin of IC8,5 pin of IC7 connect the end of C5, the other end ground connection of C5,1 pin of IC8 connects 2 pin of IC13, and 11 pin of IC8 connect 15 pin of IC6, the 8 pin ground connection of IC8, the end of another termination AN3 of R23, the other end of C8 is connected on the other end by AN3, the end of R24 is on the common port that 4 pin of IC12 and 1 pin of IC13 are formed, the other end ground connection of R24,3 pin of IC13 connect 9 pin of IC6; Computer is by button AN1, AN2, resistance R 26, R28, capacitor C 6, C7, crystal oscillator M1, monolithic IC6, latch IC9, memory IC10 forms, 1 pin of IC6 connects the common port of R26 and AN2 composition, 2 pin of IC6 connect the common port of R25 and AN1, R26, another termination+5V power supply of R25, the other end ground connection of AN1 and AN2,3 pin of IC6 connect 3 pin of IC14,9 pin of IC6 connect 3 pin of IC13,15 pin of IC6 connect 11 pin of IC8, the IC617 pin connects 9 pin of IC12,16 pin of IC6 connect 10 pin of IC12,18 pin of IC6 meet C7, the common port of M1,19 pin of IC6 connect the common port of C6 and M1 other end composition, the other end of C7 and C6 ground connection in parallel, 21 pin of IC6 connect 25 pin of IC10, connect 7 pin of IC12 simultaneously, 22 pin of IC6,23 pin, 24 pin, 25 pin are connected on 24 pin of IC10 respectively, 21 pin, 23 pin, 2 pin, 26 pin of IC6,27 pin, connect 1 pin of IC11 respectively, 2 pin, 28 pin of IC6 connect 20 pin of IC10, connect 3 pin of IC11 simultaneously, 29 pin of IC6 connect 22 pin of IC10,30 of IC6,32,33,34,35,36,37,38 pin are connected on 11 of IC9 respectively, 18,17,14,13,7,4, on 3 pin, and be connected on 11 of IC12 simultaneously, 19,18,17,16,15,14,13, on 12 pin, 32 of IC6,33,34,35,36,37,38,39 pin, be connected on 19 of IC10 again simultaneously, 18,17,16,15,13,12, on 11 pin, 20 pin of IC6,31 pin ground connection in parallel, 10 pin of IC6 connect+the 5V power supply, 1 pin of IC9,10 pin ground connection in parallel, 20 pin of IC9 connect+the 5V power supply, 2 of IC9,5,6,9,12,15,16,19 pin meet 10 of IC10 respectively, 9,8,7,6,5,4,3 pin, the 14 pin ground connection of IC10,28 pin of IC10,27 pin, 1 pin and connection+5V power supply; Follower is made up of three or eight decoder IC11 and parallel interface chip IC 12,6 pin of IC11,16 pin and connection+5V power supply, 4 pin of IC11,5 pin, 8 pin ground connection in parallel, 1 of IC11,2,3 pin meet 26 of IC6 respectively, 27,28 pin, 9 pin of IC11 connect 8 pin of IC12,40 pin of IC12 connect+the 5V power supply, 11 of IC12,12,13,14,15,16,17,18,19 pin meet 30 of IC6 respectively, 39,38,37,36,35,34,33,32 pin, 9 pin of IC12,10 pin connect 17 pin of IC6 respectively, 16 pin, 4 pin of IC12 connect the end of AN3,7 pin of IC12 connect 21 pin of IC6,21 pin of IC12,29 pin meet the solid-state relay JGX of executing agency respectively; Power supply is made up of 24V battery XD, three terminal integrated voltage stabilizer IC15, IC16, IC17,1 end of XD, 3 ends are connected on respectively on the direct current 24V power supply of input, the centre tap 2 end ground connection of XD, 1 end of XD is connected on 1 pin of IC15 simultaneously, 3 of XD terminates at 1 pin of IC16, and 3 pin of IC15 and 1 pin of IC17 connect+the 9V output simultaneously, and 3 pin of IC16 connect-9V output, 3 pin of IC17 connect+5V output, 2 pin of IC15, IC16, IC17 ground connection in parallel.