CN102891650A - High-end intelligent frequency conversion control circuit - Google Patents
High-end intelligent frequency conversion control circuit Download PDFInfo
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- CN102891650A CN102891650A CN2012104157703A CN201210415770A CN102891650A CN 102891650 A CN102891650 A CN 102891650A CN 2012104157703 A CN2012104157703 A CN 2012104157703A CN 201210415770 A CN201210415770 A CN 201210415770A CN 102891650 A CN102891650 A CN 102891650A
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Abstract
The invention relates to a control circuit, and in particular relates to a high-end intelligent frequency conversion control circuit aiming at an electric actuating mechanism frequency converter. The control circuit comprises a power circuit, a singlechip, a peripheral circuit, a phase sequence detection circuit, a signal analog/digital conversion circuit, a feedback digital/analog conversion circuit, a sensor analog/digital conversion circuit, and a remote manual control and travel limiting and driving part circuit. The high-end intelligent frequency conversion control circuit has the characteristics that the control circuit provides a stable and reliable frequency converter drive scheme, is applied to a high-end intelligent frequency conversion actuating mechanism and is stable, reliable and high in control precision.
Description
Technical field
The present invention relates to a kind of control circuit, particularly a kind of high-end intelligent frequency-conversion control circuit for the electric operator frequency converter.
Background technology
Along with converter technology develops gradually, frequency converter also has been introduced in the automation control industry at present.The attention that frequency converter is reliable and stable with it, the advantages such as energy consumption is low, adjustable speed are subject to actuator's industry, but the present control circuit that does not also have for the electric operator frequency converter.
Summary of the invention
Defective in view of prior art exists the invention provides a kind of high-end intelligent frequency-conversion control circuit for the electric operator frequency converter.
The present invention for achieving the above object, the technical scheme that adopts is: a kind of high-end intelligent frequency-conversion control circuit, it is characterized in that: comprise power circuit, single-chip microcomputer and peripheral circuit, circuit of testing the phase sequence, the signal analog to digital conversion circuit, the feedback coefficient analog conversion circuit, the transducer analog to digital conversion circuit, remote manual control and travel limits and drive part circuit, described single-chip microcomputer and peripheral circuit respectively with power circuit, circuit of testing the phase sequence, the signal analog to digital conversion circuit, the feedback coefficient analog conversion circuit, the transducer analog to digital conversion circuit, remote manual control and travel limits are connected with the drive part circuit, and described power circuit is connected with circuit of testing the phase sequence;
Described power circuit annexation is: the primary coil Same Name of Ends 1 of transformer B1 meets power supply U, the primary coil different name end 2 of transformer B1 meets power supply V, 7 of transformer B1 secondary coil Same Name of Ends connects the ac input end 2 of silicon rectification bridge D1, the ac input end 4 of 8 termination silicon rectification bridge D1 of the secondary coil different name end of transformer B1, the secondary coil Same Name of Ends 11 of transformer B1 connects the ac input end 2 of silicon rectification bridge D2, the primary coil different name end 12 of transformer B1, connect the ac input end 4 of silicon rectification bridge D2, the dc output end 1 of silicon rectification bridge D1 connects respectively the positive pole of capacitor C 31,1 end of voltage stabilizing triode U4 also provides+the 15V power supply, the dc output end 3 of silicon rectification bridge D1 connects respectively capacitor C 31, the negative pole of capacitor C 33, one end of capacitor C 34,2 ends of voltage stabilizing triode U4 and ground connection GND, the positive pole of the 3 termination capacitor C33 of voltage stabilizing triode U4, the other end of capacitor C 34 also provides+the 5V power supply; The dc output end 1 of silicon rectification bridge D2 connects respectively the positive pole of capacitor C 32,1 end of voltage stabilizing triode U5, the dc output end 3 of silicon rectification bridge D2 meets respectively the negative pole of capacitor C 32, capacitor C 35, an end of capacitor C 36,2 ends and the ground connection AGND of voltage stabilizing triode U5, and the positive pole of the 3 termination capacitor C35 of voltage stabilizing triode U5, the other end of capacitor C 36 also provide+the 5V power supply;
Described single-chip microcomputer and peripheral circuit annexation are, one end of resistance R 11 and the K utmost point of diode D11 connect positive supply, the input pin RESET end that resets of one termination single-chip microcomputer U1 of the A utmost point of the other end of resistance R 11 and diode D11 and capacitor C 17, the other end ground connection of capacitor C 17; The output pin XTAL1 end of the reverse monofier of one termination single-chip microcomputer U1 of the end of crystal oscillator Y1 and capacitor C 11, the other end ground connection of capacitor C 11, the reverse monofier of one termination single-chip microcomputer U1 of the other end of crystal oscillator Y1 and capacitor C 12 and the input pin XTAL2 of sheet internal clock function circuit end, the other end ground connection of capacitor C 12; Power supply input pin VCC termination power+5V of single-chip microcomputer U1, the power supply input pin AVCC termination power+5A of the A/D converter of single-chip microcomputer U1, the power supply ground GND termination GND of single-chip microcomputer U1; The simulation benchmark input pin AREF of one termination Chip Microcomputer A/D of capacitor C 15, one termination of capacitor C 16+5A, another termination of capacitor C 15, capacitor C 16 is AGND publicly; Between power supply+5V and the power supply+5A and power supply ground GND and linking to each other with inductance L 2 with inductance L1 between the AGND publicly; One termination of capacitor C 13 and C14+5V power supply, another termination of capacitor C 13 and C14 meets power supply ground GND; One termination of resistance R 12, R13, R14, R15+5V power supply, 1 pin of the other end of resistance R 12 and J1 connects the 57 pin PF4 ports of single-chip microcomputer U1,3 pin of the other end of resistance R 13 and J1 connect the 55 pin PF6 ports of single-chip microcomputer U1,5 pin of the other end of resistance R 14 and J1 connect the 55 pin PF5 ports of single-chip microcomputer U1,9 pin of the other end of resistance R 15 and J1 connect the 54 pin PF7 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 4 pin and 7 pin of J1 connect+the 5V power supply, and 2 pin of J1 and 10 pin meet power supply ground GND;
Described circuit of testing the phase sequence annexation is: power supply U phase one tunnel is connected to 1 pin of detection chip U15 through resistance R 804 and R807, one end of the series termination resistance R 811 of resistance R 804 and R807, power supply V phase one tunnel is connected to 2 pin of detection chip U15 through resistance R 805 and R808, one end of the series termination resistance R 812 of resistance R 805 and R808, power supply W phase one tunnel is connected to 3 pin of detection chip U15 through resistance R 806 and R809, one end of the series termination resistance R 813 of resistance R 806 and R809, power supply U mutually another road connects capacitor C 82 through resistance R 801 and diode D81, one end of capacitor C 81, the negative electrode of diode D84, the end of transient voltage twin zener dioder D85,14 pin of detection chip U15, power supply V is another road process resistance R 802 mutually, diode D82 connects 14 pin of detection chip U15, power supply W is another road process resistance R 803 mutually, diode D83 connects 14 pin of detection chip U15, resistance R 811, resistance R 812, the other end of resistance R 813 joins, the other end of resistance R 811 is through resistance R 814, resistance R 817 connects 14 pin of detection chip U15, the other end of resistance R 812 is through resistance R 815, resistance R 818 connects 14 pin of detection chip U15, the other end of resistance R 813 is through resistance R 816, resistance R 819 connects 14 pin of detection chip U15, capacitor C 82, capacitor C 81, the other end of transient voltage twin zener dioder D85 and the anode of diode D84 join and connect respectively capacitor C 83, capacitor C 84, resistance R 810, one end of resistance R 820 and the other end of resistance R 813,7 pin of detection chip U15,4 pin, 13 pin of another termination detection chip U15 of capacitor C 83, the other end ground connection of capacitor C 84,8 pin of detection chip U15,9 pin are connected respectively to PA4 and the PA5 port of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, resistance R 810 other ends connect respectively 9 pin of detection chip U15, the 46 pin PA5 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, the other end of resistance R 820 connects respectively 8 pin of detection chip U15, the 47 pin PA4 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit;
Described signal mode number conversion circuit connecting relation is: 8 pin VCC termination+5V power supply and the capacitor C 41 of A/D conversion chip U6, capacitor C 42, one end of resistance R 41, the 7 pin CLK of A/D conversion chip U6,6 pin DATA, 5 pin CONV connect respectively the 27 pin PD2 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 26 pin PD1 ports and 25 pin PD0 ports, the other end AGND1 of capacitor C 41 and capacitor C 42, the other end connecting resistance R42 of resistance R 41, capacitor C 44,1 pin of one end of capacitor C 45 and voltage stabilizing chip U7, the 1 pin VREF of A/D conversion chip U6, the end of the other end connecting resistance R43 of resistance R 42 and 8 pin of voltage stabilizing chip U7, resistance R 43, capacitor C 44,2 pin of another termination voltage stabilizing chip U7 of capacitor C 45,3 pin, 6 pin, 7 pin and AGND1,1 pin of given feedback signal interface P4 links to each other with the anode of the end of Transient Suppression Diode D41 and diode D42,8 pin of the negative electrode of diode D42 and operational amplifier U8B, 2 pin of linear optical coupling U9, one end of the negative electrode of voltage stabilizing didoe D43 and capacitor C 47 links to each other, 2 pin of given feedback signal interface P4 and the other end of Transient Suppression Diode D41, resistance R 46, one end of resistance R 47 links to each other, 3 pin of the other end of resistance R 46 and linear optical coupling U9, one end of resistance R 48,4 pin of operational amplifier U8B, the collector electrode of triode Q1, the anode of voltage stabilizing didoe D43 links to each other with the other end of capacitor C 47,4 pin of the other end of resistance R 47 and linear optical coupling U9B, 5 pin of operational amplifier U8B link to each other, the other end of resistance R 48 links to each other with 6 pin of operational amplifier U8B and an end of capacitor C 48, the other end of electric capacity R48 links to each other with 7 pin of operational amplifier U8B and the base stage of triode Q1, the emitter of triode Q1 is connected on 1 pin of linear optical coupling U9A through resistance R 49,6 pin of linear optical coupling U9C connect 2 pin and the resistance R 45 of operational amplifier U8A, one end of capacitor C 46,5 pin of linear optical coupling U9C and 3 pin of operational amplifier U8A meet AGND1, the other end of resistance R 45 and capacitor C 46 is connected on 1 pin of operational amplifier U8, one end of resistance R 44, the other end of resistance R 44 meets the 2 pin IN+ of conversion chip U6 and an end of capacitor C 43, the 3 pin IN-of another termination A/D conversion chip U6 of capacitor C 43,4 pin GND and AGND1;
Described feedback coefficient analog conversion circuit annexation is: the 1 pin DIN of D/A analog-digital chip U10,2 pin SCLK and 3 pin CS meet respectively the 51 pin PA0 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 50 pin PA1 and 49 pin, an end and the power supply+5V of the 8 pin VCC connecting resistance R51 of D/A analog-digital chip U10,5 pin of D/A analog-digital chip U10 connect capacitor C 51, one end of capacitor C 52,2 pin of voltage stabilizing chip U11,3 pin, 6 pin, 7 pin and AGND1,6 pin of D/A analog-digital chip U10 connect capacitor C 51, capacitor C 52,1 pin of the other end of resistance R 51 and voltage stabilizing chip U11,8 pin, AGND1, inductance L 4 is connected between GND and the AGND1, capacitor C 56 is connected between power supply+5V and the AGND1, output 7 pin of D/A analog-digital chip U10 connect an end of capacitor C 53 through resistance R 25,6 pin of operational amplifier U12B and 3 pin of linear optical coupling U13,4 pin of linear optical coupling U13,5 pin of operational amplifier U12B, the collector electrode of 4 pin and triode Q2 all is connected on the AGND1,7 pin of operational amplifier U12B, the other end of capacitor C 53, the base stage of triode Q2 links to each other, the emitter of triode Q2 is connected on 1 pin of linear optical coupling U13,2 pin of linear optical coupling U13 through resistance R 53 be connected on+5 power supplys on, the anode of diode D52, the collector electrode of triode Q5,3 pin of the given feedback signal interface P4 of one termination signal analog to digital conversion circuit of the collector electrode of triode Q3 and resistance R 54, the negative electrode of diode D52 connects the negative electrode of voltage stabilizing didoe D53 and 1 pin of transient state voltage stabilizing didoe D54, the anode of voltage stabilizing didoe D53,2 pin of transient state voltage stabilizing didoe D54,4 pin of the given feedback signal interface P4 of one termination circuit of resistance R 58 and resistance R 59, the other end of resistance R 58 links to each other with 5 pin of linear optical coupling U13 and 3 pin of operational amplifier U12A, 6 pin of the other end wiring optocoupler U13 of resistance R 59,4 pin of operational amplifier U12A, the emitter of triode Q4 and resistance R 57, resistance R 56, resistance R 55, one end of capacitor C 54, the other end of resistance R 57 links to each other with 2 pin of operational amplifier U12A and an end of capacitor C 55,1 pin of operational amplifier U12A, the other end of capacitor C 55 links to each other with the base stage of triode Q5,8 pin of operational amplifier U12A and the other end of capacitor C 54, the emitter of the negative electrode of voltage stabilizing didoe D51 and triode Q3 links to each other, the emitter of triode Q5 links to each other with the other end of resistance R 56, the anode of voltage stabilizing didoe D51 links to each other with the base stage of triode Q4 and the other end of resistance R 55, and the other end of resistance R 54 links to each other with the base stage of triode Q3 and the collector electrode of triode Q4;
Described position transducer analog to digital conversion circuit annexation is: 8 pin VCC termination+5A of A/D conversion chip U3,1 pin of position sensor interface P2 connects the 1 pin VREF end of A/D conversion chip U3,2 pin of P2 connect capacitor C 25, capacitor C 26, the 2 pin IN+ end of A/D conversion chip U3, the end of the 3 pin connecting resistance R24 of P2, another termination capacitor C 25 of resistance R 24, capacitor C 26, the 3 pin IN-of one end of inductance L 3 and A/D conversion chip U3,4 pin GND end, the other end ground connection GND of inductance L 3, the 7 pin CLK of A/D conversion chip U3,6 pin DATA, 5 pin CONV meet respectively the 32 pin PD7 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 31 pin PD6 and 30 pin PD5, capacitor C 21 and capacitor C 22 be connected on+5A power supply and AGND1 between, one termination of resistance R 21+5A power supply, 1 pin of another termination voltage stabilizing chip U2 of resistance R 21, resistance R 22, capacitor C 23, one end of capacitor C 24 is attempted by the 1 pin VREF of A/D conversion chip U3, one end of the other end of resistance R 22 and resistance R 23 together is connected to 8 pin of voltage stabilizing chip U2,2 pin of another termination voltage stabilizing chip U2 of resistance R 23,3 pin, 6 pin, 7 pin and capacitor C 23, the other end of capacitor C 24 and AGND1;
Described remote manual control, travel limits and drive part circuit connecting relation are: interface P6 is stroke limit and heat protection interface, 4 pin of interface P6 connect+15V, 3 pin of interface P6 connect 1 pin of optocoupler O1 through resistance R 702, the 2 pin process resistance R 704 of interface P6 connects 1 pin of optocoupler O2, and 1 pin of interface P6 connects 1 pin of optocoupler O3 through resistance R 706; Interface P7 is the remote manual control interface, 5 pin of interface P7 connect+and 15,4 pin of interface P7 connect 1 pin of optocoupler O5 through resistance R 710,3 pin of interface P7 connect 1 pin of optocoupler O6 through resistance R 712, the 2 pin process resistance R 714 of interface P7 connects 1 pin of optocoupler O7, and 1 pin of interface P7 connects 1 pin of optocoupler O4 through resistance R 708; Optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,2 pin of optocoupler O7 all meet IGND, optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,3 pin of optocoupler O7 all meet GND, connect with inductance L7 between IGND and the GND, power supply+5V passes through respectively resistance R 701, resistance R 703, resistance R 705, resistance R 707, resistance R 709, resistance R 711, resistance R 713, resistance R 715, resistance R 716 is connected on optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6, optocoupler O7, optocoupler O8, be connected on respectively again the single-chip microcomputer 41 pin PC6 of single-chip microcomputer and peripheral circuit on 4 pin of optocoupler O9,40 pin PC5,39 pin PC4,38 pin PC3,37 pin PC2,36 pin PC1,35 pin PC0,46 pin PA5, on the 47 pin PA4 ports; The driving signal of drive part is connected on respectively on 1 pin of optocoupler O10 and pin O11 through resistance R 718 and resistance R 720 by single-chip microcomputer 17 pin PB7 and the output of 16 pin PB6 ports of single-chip microcomputer and peripheral circuit, 2 pin of optocoupler O10 and pin O11 all meet GND, interface P8 is the transducer drive port, 1 pin of interface P8 is connected on 4 pin of optocoupler O10 and optocoupler O11 through resistance R 717 and resistance R 719 respectively for drive end provides high potential V+, simultaneously 4 pin of optocoupler O10 are connected on 3 pin of interface P8 as opening signal, 4 pin of optocoupler O11 are connected on 2 pin of interface P8 as closing signal, 6 pin of the equal connection interface P8 of 3 pin of optocoupler O10 and O11 are as the common port that drives signal, 4 pin of interface P8 link to each other with single-chip microcomputer U1 as the serial communication end with 5 pin, and single-chip microcomputer carries out speed regulating control by the serial communication end to frequency converter.High potential V+ is connected on 1 pin of optocoupler O12 and 4 pin of optocoupler O13 through resistance R 721 and resistance R 724 respectively, 4 pin of optocoupler O13 link to each other with 4 pin of interface P8, power supply+5V is connected on 4 pin of optocoupler O12 and 1 pin of optocoupler O13 through resistance R 722 and R723 respectively, 2 pin of optocoupler O12 link to each other with 5 pin of interface P8,3 pin of optocoupler O12 meet GND, 4 pin of optocoupler O12 link to each other with the 45 pin PA6 ports of single-chip microcomputer U1,2 pin of optocoupler O13 link to each other with the 44 pin PA7 ports of single-chip microcomputer U1, and 3 pin of optocoupler O13 link to each other with 6 pin of interface P8.
The characteristics of patent of the present invention are: this control circuit provides a kind of reliable and stable transducer drive scheme, and it is reliable and stable to be applied to high-end intelligent frequency-conversion actuator, and control precision is high.
Description of drawings
Fig. 1 is that circuit of the present invention connects block diagram;
Fig. 2 is the circuit diagram of single-chip microcomputer of the present invention and peripheral circuit;
Fig. 3 is the circuit diagram of signal analog to digital conversion circuit of the present invention;
Fig. 4 is the circuit diagram of feedback coefficient analog conversion circuit of the present invention;
Fig. 5 is the circuit diagram of remote manual control of the present invention and travel limits and drive circuit;
Fig. 6 is the circuit diagram of position transducer analog to digital conversion circuit of the present invention;
Fig. 7 is the circuit diagram of power circuit of the present invention;
Fig. 8 is the circuit diagram of circuit of testing the phase sequence of the present invention.
Embodiment
As shown in Figure 1, high-end intelligent frequency-conversion control circuit, comprise power circuit, single-chip microcomputer and peripheral circuit, circuit of testing the phase sequence, signal analog to digital conversion circuit, feedback coefficient analog conversion circuit, transducer analog to digital conversion circuit, remote manual control and travel limits and drive part circuit, single-chip microcomputer and peripheral circuit are connected with the drive part circuit with power circuit, circuit of testing the phase sequence, signal analog to digital conversion circuit, feedback coefficient analog conversion circuit, transducer analog to digital conversion circuit, remote manual control and travel limits respectively, and power circuit is connected with circuit of testing the phase sequence.
As shown in Figure 7, the power circuit annexation is, the primary coil Same Name of Ends 1 of transformer B1 meets power supply U, the primary coil different name end 2 of transformer B1 meets power supply V, 7 of transformer B1 secondary coil Same Name of Ends connects the ac input end 2 of silicon rectification bridge D1, the ac input end 4 of 8 termination silicon rectification bridge D1 of the secondary coil different name end of transformer B1, the secondary coil Same Name of Ends 11 of transformer B1 connects the ac input end 2 of silicon rectification bridge D2, the primary coil different name end 12 of transformer B1, connect the ac input end 4 of silicon rectification bridge D2, the dc output end 1 of silicon rectification bridge D1 connects respectively the positive pole of capacitor C 31,1 end of voltage stabilizing triode U4 also provides+the 15V power supply, the dc output end 3 of silicon rectification bridge D1 connects respectively capacitor C 31, the negative pole of capacitor C 33, one end of capacitor C 34,2 ends of voltage stabilizing triode U4 and ground connection GND, the positive pole of the 3 termination capacitor C33 of voltage stabilizing triode U4, the other end of capacitor C 34 also provides+the 5V power supply; The dc output end 1 of silicon rectification bridge D2 connects respectively the positive pole of capacitor C 32,1 end of voltage stabilizing triode U5, the dc output end 3 of silicon rectification bridge D2 meets respectively the negative pole of capacitor C 32, capacitor C 35, an end of capacitor C 36,2 ends and the ground connection AGND of voltage stabilizing triode U5, and the positive pole of the 3 termination capacitor C35 of voltage stabilizing triode U5, the other end of capacitor C 36 also provide+the 5V power supply.
As shown in Figure 2, single-chip microcomputer and peripheral circuit annexation are, one end of resistance R 11 and the K utmost point of diode D11 connect positive supply, the input pin RESET end that resets of a termination single-chip microcomputer U1 of the A utmost point of the other end of resistance R 11 and diode D11 and capacitor C 17, the other end ground connection of capacitor C 17; The output pin XTAL1 end of the reverse monofier of one termination single-chip microcomputer U1 of the end of crystal oscillator Y1 and capacitor C 11, the other end ground connection of capacitor C 11, the reverse monofier of one termination single-chip microcomputer U1 of the other end of crystal oscillator Y1 and capacitor C 12 and the input pin XTAL2 of sheet internal clock function circuit end, the other end ground connection of capacitor C 12; Power supply input pin VCC termination power+5V of single-chip microcomputer U1, the power supply input pin AVCC termination power+5A of the A/D converter of single-chip microcomputer U1, the power supply ground GND termination GND of single-chip microcomputer U1; The simulation benchmark input pin AREF of one termination Chip Microcomputer A/D of capacitor C 15, one termination of capacitor C 16+5A, another termination of capacitor C 15, capacitor C 16 is AGND publicly; Between power supply+5V and the power supply+5A and power supply ground GND and linking to each other with inductance L 2 with inductance L1 between the AGND publicly; One termination of capacitor C 13 and C14+5V power supply, another termination of capacitor C 13 and C14 meets power supply ground GND; One termination of resistance R 12, R13, R14, R15+5V power supply, 1 pin of the other end of resistance R 12 and J1 connects the 57 pin PF4 ports of single-chip microcomputer U1,3 pin of the other end of resistance R 13 and J1 connect the 55 pin PF6 ports of single-chip microcomputer U1,5 pin of the other end of resistance R 14 and J1 connect the 55 pin PF5 ports of single-chip microcomputer U1,9 pin of the other end of resistance R 15 and J1 connect the 54 pin PF7 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 4 pin and 7 pin of J1 connect+the 5V power supply, and 2 pin of J1 and 10 pin meet power supply ground GND.
As shown in Figure 8, the circuit of testing the phase sequence annexation is: power supply U phase one tunnel is connected to 1 pin of detection chip U15 through resistance R 804 and R807, one end of the series termination resistance R 811 of resistance R 804 and R807, power supply V phase one tunnel is connected to 2 pin of detection chip U15 through resistance R 805 and R808, one end of the series termination resistance R 812 of resistance R 805 and R808, power supply W phase one tunnel is connected to 3 pin of detection chip U15 through resistance R 806 and R809, one end of the series termination resistance R 813 of resistance R 806 and R809, power supply U mutually another road connects capacitor C 82 through resistance R 801 and diode D81, one end of capacitor C 81, the negative electrode of diode D84, the end of transient voltage twin zener dioder D85,14 pin of detection chip U15, power supply V is another road process resistance R 802 mutually, diode D82 connects 14 pin of detection chip U15, power supply W is another road process resistance R 803 mutually, diode D83 connects 14 pin of detection chip U15, resistance R 811, resistance R 812, the other end of resistance R 813 joins, the other end of resistance R 811 is through resistance R 814, resistance R 817 connects 14 pin of detection chip U15, the other end of resistance R 812 is through resistance R 815, resistance R 818 connects 14 pin of detection chip U15, the other end of resistance R 813 is through resistance R 816, resistance R 819 connects 14 pin of detection chip U15, capacitor C 82, capacitor C 81, the other end of transient voltage twin zener dioder D85 and the anode of diode D84 join and connect respectively capacitor C 83, capacitor C 84, resistance R 810, one end of resistance R 820 and the other end of resistance R 813,7 pin of detection chip U15,4 pin, 13 pin of another termination detection chip U15 of capacitor C 83, the other end ground connection of capacitor C 84,8 pin of detection chip U15,9 pin are connected respectively to PA4 and the PA5 port of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, resistance R 810 other ends connect respectively 9 pin of detection chip U15, the 46 pin PA5 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, the other end of resistance R 820 connects respectively 8 pin of detection chip U15, the 47 pin PA4 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit.
As shown in Figure 3, signal mode number conversion circuit connecting relation is: 8 pin VCC termination+5V power supply and the capacitor C 41 of A/D conversion chip U6, capacitor C 42, one end of resistance R 41, the 7 pin CLK of A/D conversion chip U6,6 pin DATA, 5 pin CONV connect respectively the 27 pin PD2 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 26 pin PD1 ports and 25 pin PD0 ports, the other end AGND1 of capacitor C 41 and capacitor C 42, the other end connecting resistance R42 of resistance R 41, capacitor C 44,1 pin of one end of capacitor C 45 and voltage stabilizing chip U7, the 1 pin VREF of A/D conversion chip U6, the end of the other end connecting resistance R43 of resistance R 42 and 8 pin of voltage stabilizing chip U7, resistance R 43, capacitor C 44,2 pin of another termination voltage stabilizing chip U7 of capacitor C 45,3 pin, 6 pin, 7 pin and AGND1,1 pin of given feedback signal interface P4 links to each other with the anode of the end of Transient Suppression Diode D41 and diode D42,8 pin of the negative electrode of diode D42 and operational amplifier U8B, 2 pin of linear optical coupling U9, one end of the negative electrode of voltage stabilizing didoe D43 and capacitor C 47 links to each other, 2 pin of given feedback signal interface P4 and the other end of Transient Suppression Diode D41, resistance R 46, one end of resistance R 47 links to each other, 3 pin of the other end of resistance R 46 and linear optical coupling U9, one end of resistance R 48,4 pin of operational amplifier U8B, the collector electrode of triode Q1, the anode of voltage stabilizing didoe D43 links to each other with the other end of capacitor C 47,4 pin of the other end of resistance R 47 and linear optical coupling U9B, 5 pin of operational amplifier U8B link to each other, the other end of resistance R 48 links to each other with 6 pin of operational amplifier U8B and an end of capacitor C 48, the other end of electric capacity R48 links to each other with 7 pin of operational amplifier U8B and the base stage of triode Q1, the emitter of triode Q1 is connected on 1 pin of linear optical coupling U9A through resistance R 49,6 pin of linear optical coupling U9C connect 2 pin and the resistance R 45 of operational amplifier U8A, one end of capacitor C 46,5 pin of linear optical coupling U9C and 3 pin of operational amplifier U8A meet AGND1, the other end of resistance R 45 and capacitor C 46 is connected on 1 pin of operational amplifier U8, one end of resistance R 44, the other end of resistance R 44 meets the 2 pin IN+ of conversion chip U6 and an end of capacitor C 43, the 3 pin IN-of another termination A/D conversion chip U6 of capacitor C 43,4 pin GND and AGND1.
As shown in Figure 4, feedback coefficient analog conversion circuit annexation is: the 1 pin DIN of D/A analog-digital chip U10,2 pin SCLK and 3 pin CS meet respectively the 51 pin PA0 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 50 pin PA1 and 49 pin, an end and the power supply+5V of the 8 pin VCC connecting resistance R51 of D/A analog-digital chip U10,5 pin of D/A analog-digital chip U10 connect capacitor C 51, one end of capacitor C 52,2 pin of voltage stabilizing chip U11,3 pin, 6 pin, 7 pin and AGND1,6 pin of D/A analog-digital chip U10 connect capacitor C 51, capacitor C 52,1 pin of the other end of resistance R 51 and voltage stabilizing chip U11,8 pin, AGND1, inductance L 4 is connected between GND and the AGND1, capacitor C 56 is connected between power supply+5V and the AGND1, output 7 pin of D/A analog-digital chip U10 connect an end of capacitor C 53 through resistance R 25,6 pin of operational amplifier U12B and 3 pin of linear optical coupling U13,4 pin of linear optical coupling U13,5 pin of operational amplifier U12B, the collector electrode of 4 pin and triode Q2 all is connected on the AGND1,7 pin of operational amplifier U12B, the other end of capacitor C 53, the base stage of triode Q2 links to each other, the emitter of triode Q2 is connected on 1 pin of linear optical coupling U13,2 pin of linear optical coupling U13 through resistance R 53 be connected on+5 power supplys on, the anode of diode D52, the collector electrode of triode Q5,3 pin of the given feedback signal interface P4 of one termination signal analog to digital conversion circuit of the collector electrode of triode Q3 and resistance R 54, the negative electrode of diode D52 connects the negative electrode of voltage stabilizing didoe D53 and 1 pin of transient state voltage stabilizing didoe D54, the anode of voltage stabilizing didoe D53,2 pin of transient state voltage stabilizing didoe D54,4 pin of the given feedback signal interface P4 of one termination circuit of resistance R 58 and resistance R 59, the other end of resistance R 58 links to each other with 5 pin of linear optical coupling U13 and 3 pin of operational amplifier U12A, 6 pin of the other end wiring optocoupler U13 of resistance R 59,4 pin of operational amplifier U12A, the emitter of triode Q4 and resistance R 57, resistance R 56, resistance R 55, one end of capacitor C 54, the other end of resistance R 57 links to each other with 2 pin of operational amplifier U12A and an end of capacitor C 55,1 pin of operational amplifier U12A, the other end of capacitor C 55 links to each other with the base stage of triode Q5,8 pin of operational amplifier U12A and the other end of capacitor C 54, the emitter of the negative electrode of voltage stabilizing didoe D51 and triode Q3 links to each other, the emitter of triode Q5 links to each other with the other end of resistance R 56, the anode of voltage stabilizing didoe D51 links to each other with the base stage of triode Q4 and the other end of resistance R 55, and the other end of resistance R 54 links to each other with the base stage of triode Q3 and the collector electrode of triode Q4.
As shown in Figure 6, position transducer analog to digital conversion circuit annexation is: 8 pin VCC termination+5A of A/D conversion chip U3,1 pin of position sensor interface P2 connects the 1 pin VREF end of A/D conversion chip U3,2 pin of P2 connect capacitor C 25, capacitor C 26, the 2 pin IN+ end of A/D conversion chip U3, the end of the 3 pin connecting resistance R24 of P2, another termination capacitor C 25 of resistance R 24, capacitor C 26, the 3 pin IN-of one end of inductance L 3 and A/D conversion chip U3,4 pin GND end, the other end ground connection GND of inductance L 3, the 7 pin CLK of A/D conversion chip U3,6 pin DATA, 5 pin CONV meet respectively the 32 pin PD7 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 31 pin PD6 and 30 pin PD5, capacitor C 21 and capacitor C 22 be connected on+5A power supply and AGND1 between, one termination of resistance R 21+5A power supply, 1 pin of another termination voltage stabilizing chip U2 of resistance R 21, resistance R 22, capacitor C 23, one end of capacitor C 24 is attempted by the 1 pin VREF of A/D conversion chip U3, one end of the other end of resistance R 22 and resistance R 23 together is connected to 8 pin of voltage stabilizing chip U2,2 pin of another termination voltage stabilizing chip U2 of resistance R 23,3 pin, 6 pin, 7 pin and capacitor C 23, the other end of capacitor C 24 and AGND1.
As shown in Figure 5, remote manual control, travel limits and drive part circuit connecting relation are, interface P6 is stroke limit and heat protection interface, 4 pin of interface P6 connect+15V, 3 pin of interface P6 connect 1 pin of optocoupler O1 through resistance R 702, the 2 pin process resistance R 704 of interface P6 connects 1 pin of optocoupler O2, and 1 pin of interface P6 connects 1 pin of optocoupler O3 through resistance R 706; Interface P7 is the remote manual control interface, 5 pin of interface P7 connect+and 15,4 pin of interface P7 connect 1 pin of optocoupler O5 through resistance R 710,3 pin of interface P7 connect 1 pin of optocoupler O6 through resistance R 712, the 2 pin process resistance R 714 of interface P7 connects 1 pin of optocoupler O7, and 1 pin of interface P7 connects 1 pin of optocoupler O4 through resistance R 708; Optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,2 pin of optocoupler O7 all meet IGND, optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,3 pin of optocoupler O7 all meet GND, connect with inductance L7 between IGND and the GND, power supply+5V passes through respectively resistance R 701, resistance R 703, resistance R 705, resistance R 707, resistance R 709, resistance R 711, resistance R 713, resistance R 715, resistance R 716 is connected on optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6, optocoupler O7, optocoupler O8, be connected on respectively again the single-chip microcomputer 41 pin PC6 of single-chip microcomputer and peripheral circuit on 4 pin of optocoupler O9,40 pin PC5,39 pin PC4,38 pin PC3,37 pin PC2,36 pin PC1,35 pin PC0,46 pin PA5, on the 47 pin PA4 ports; The driving signal of drive part is connected on respectively on 1 pin of optocoupler O10 and pin O11 through resistance R 718 and resistance R 720 by single-chip microcomputer 17 pin PB7 and the output of 16 pin PB6 ports of single-chip microcomputer and peripheral circuit, 2 pin of optocoupler O10 and pin O11 all meet GND, interface P8 is the transducer drive port, 1 pin of interface P8 is connected on 4 pin of optocoupler O10 and optocoupler O11 through resistance R 717 and resistance R 719 respectively for drive end provides high potential V+, simultaneously 4 pin of optocoupler O10 are connected on 3 pin of interface P8 as opening signal, 4 pin of optocoupler O11 are connected on 2 pin of interface P8 as closing signal, 6 pin of the equal connection interface P8 of 3 pin of optocoupler O10 and O11 are as the common port that drives signal, 4 pin of interface P8 link to each other with single-chip microcomputer U1 as the serial communication end with 5 pin, and single-chip microcomputer carries out speed regulating control by the serial communication end to frequency converter.High potential V+ is connected on 1 pin of optocoupler O12 and 4 pin of optocoupler O13 through resistance R 721 and resistance R 724 respectively, 4 pin of optocoupler O13 link to each other with 4 pin of interface P8, power supply+5V is connected on 4 pin of optocoupler O12 and 1 pin of optocoupler O13 through resistance R 722 and R723 respectively, 2 pin of optocoupler O12 link to each other with 5 pin of interface P8,3 pin of optocoupler O12 meet GND, 4 pin of optocoupler O12 link to each other with the 45 pin PA6 ports of single-chip microcomputer U1,2 pin of optocoupler O13 link to each other with the 44 pin PA7 ports of single-chip microcomputer U1, and 3 pin of optocoupler O13 link to each other with 6 pin of interface P8.
The power circuit of this control circuit provides power supply for whole circuit; single-chip microcomputer detects by the phase sequence that detection receives; travel limit signals is judged actuator's normal condition; when the undesired or stroke limit of power supply occurring; actuator is failure to actuate when crossing the situations such as moment; and output alarm signal; if various states are normal and then analysis remote manual control signal; if manual control signal enables; so according to manual control signal control actuator; if manual control signal is for forbidding; single-chip microcomputer judges whether to drive the frequency converter action by contrast signal analog-digital conversion data and position transducer analog-digital conversion data so; and by drive part output control voltage signal, and reach the effect of intelligent frequency-conversion by PORT COM control frequency converter and then control motor speed.Simultaneously by feedback coefficient analog conversion circuit outgoing position signal.
During this high-end intelligent frequency-conversion control circuit work, single-chip microcomputer at first judges that according to alarm signal stroke, heat are protected, whether three phase mains is normal; Determine whether remote manual control after detecting normally, if carry out the remote manual action according to the remote manual control signal so, if not entering so automatic control program, single-chip microcomputer compares the data of given signal conversion and the data of position transducer conversion in automatic control program, if identical so drive end does not have the not action of output voltage frequency converter, if different single-chip microcomputers are opened signal or are closed signal and frequency converter speed control voltage signal according to the positive and negative and big or small output of comparative result, frequency converter is controlled variable-frequency motor with different output frequencies and switching signal according to signal, exports simultaneously 4-20mA feedback current signal.Realize variable frequency control.
Claims (1)
1. high-end intelligent frequency-conversion control circuit, it is characterized in that: comprise power circuit, single-chip microcomputer and peripheral circuit, circuit of testing the phase sequence, the signal analog to digital conversion circuit, the feedback coefficient analog conversion circuit, the transducer analog to digital conversion circuit, remote manual control and travel limits and drive part circuit, described single-chip microcomputer and peripheral circuit respectively with power circuit, circuit of testing the phase sequence, the signal analog to digital conversion circuit, the feedback coefficient analog conversion circuit, the transducer analog to digital conversion circuit, remote manual control and travel limits are connected with the drive part circuit, and described power circuit is connected with circuit of testing the phase sequence;
Described power circuit annexation is: the primary coil Same Name of Ends 1 of transformer B1 meets power supply U, the primary coil different name end 2 of transformer B1 meets power supply V, 7 of transformer B1 secondary coil Same Name of Ends connects the ac input end 2 of silicon rectification bridge D1, the ac input end 4 of 8 termination silicon rectification bridge D1 of the secondary coil different name end of transformer B1, the secondary coil Same Name of Ends 11 of transformer B1 connects the ac input end 2 of silicon rectification bridge D2, the primary coil different name end 12 of transformer B1, connect the ac input end 4 of silicon rectification bridge D2, the dc output end 1 of silicon rectification bridge D1 connects respectively the positive pole of capacitor C 31,1 end of voltage stabilizing triode U4 also provides+the 15V power supply, the dc output end 3 of silicon rectification bridge D1 connects respectively capacitor C 31, the negative pole of capacitor C 33, one end of capacitor C 34,2 ends of voltage stabilizing triode U4 and ground connection GND, the positive pole of the 3 termination capacitor C33 of voltage stabilizing triode U4, the other end of capacitor C 34 also provides+the 5V power supply; The dc output end 1 of silicon rectification bridge D2 connects respectively the positive pole of capacitor C 32,1 end of voltage stabilizing triode U5, the dc output end 3 of silicon rectification bridge D2 meets respectively the negative pole of capacitor C 32, capacitor C 35, an end of capacitor C 36,2 ends and the ground connection AGND of voltage stabilizing triode U5, and the positive pole of the 3 termination capacitor C35 of voltage stabilizing triode U5, the other end of capacitor C 36 also provide+the 5V power supply;
Described single-chip microcomputer and peripheral circuit annexation are, one end of resistance R 11 and the K utmost point of diode D11 connect positive supply, the input pin RESET end that resets of one termination single-chip microcomputer U1 of the A utmost point of the other end of resistance R 11 and diode D11 and capacitor C 17, the other end ground connection of capacitor C 17; The output pin XTAL1 end of the reverse monofier of one termination single-chip microcomputer U1 of the end of crystal oscillator Y1 and capacitor C 11, the other end ground connection of capacitor C 11, the reverse monofier of one termination single-chip microcomputer U1 of the other end of crystal oscillator Y1 and capacitor C 12 and the input pin XTAL2 of sheet internal clock function circuit end, the other end ground connection of capacitor C 12; Power supply input pin VCC termination power+5V of single-chip microcomputer U1, the power supply input pin AVCC termination power+5A of the A/D converter of single-chip microcomputer U1, the power supply ground GND termination GND of single-chip microcomputer U1; The simulation benchmark input pin AREF of one termination Chip Microcomputer A/D of capacitor C 15, one termination of capacitor C 16+5A, another termination of capacitor C 15, capacitor C 16 is AGND publicly; Between power supply+5V and the power supply+5A and power supply ground GND and linking to each other with inductance L 2 with inductance L1 between the AGND publicly; One termination of capacitor C 13 and C14+5V power supply, another termination of capacitor C 13 and C14 meets power supply ground GND; One termination of resistance R 12, R13, R14, R15+5V power supply, 1 pin of the other end of resistance R 12 and J1 connects the 57 pin PF4 ports of single-chip microcomputer U1,3 pin of the other end of resistance R 13 and J1 connect the 55 pin PF6 ports of single-chip microcomputer U1,5 pin of the other end of resistance R 14 and J1 connect the 55 pin PF5 ports of single-chip microcomputer U1,9 pin of the other end of resistance R 15 and J1 connect the 54 pin PF7 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 4 pin and 7 pin of J1 connect+the 5V power supply, and 2 pin of J1 and 10 pin meet power supply ground GND;
Described circuit of testing the phase sequence annexation is: power supply U phase one tunnel is connected to 1 pin of detection chip U15 through resistance R 804 and R807, one end of the series termination resistance R 811 of resistance R 804 and R807, power supply V phase one tunnel is connected to 2 pin of detection chip U15 through resistance R 805 and R808, one end of the series termination resistance R 812 of resistance R 805 and R808, power supply W phase one tunnel is connected to 3 pin of detection chip U15 through resistance R 806 and R809, one end of the series termination resistance R 813 of resistance R 806 and R809, power supply U mutually another road connects capacitor C 82 through resistance R 801 and diode D81, one end of capacitor C 81, the negative electrode of diode D84, the end of transient voltage twin zener dioder D85,14 pin of detection chip U15, power supply V is another road process resistance R 802 mutually, diode D82 connects 14 pin of detection chip U15, power supply W is another road process resistance R 803 mutually, diode D83 connects 14 pin of detection chip U15, resistance R 811, resistance R 812, the other end of resistance R 813 joins, the other end of resistance R 811 is through resistance R 814, resistance R 817 connects 14 pin of detection chip U15, the other end of resistance R 812 is through resistance R 815, resistance R 818 connects 14 pin of detection chip U15, the other end of resistance R 813 is through resistance R 816, resistance R 819 connects 14 pin of detection chip U15, capacitor C 82, capacitor C 81, the other end of transient voltage twin zener dioder D85 and the anode of diode D84 join and connect respectively capacitor C 83, capacitor C 84, resistance R 810, one end of resistance R 820 and the other end of resistance R 813,7 pin of detection chip U15,4 pin, 13 pin of another termination detection chip U15 of capacitor C 83, the other end ground connection of capacitor C 84,8 pin of detection chip U15,9 pin are connected respectively to PA4 and the PA5 port of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, resistance R 810 other ends connect respectively 9 pin of detection chip U15, the 46 pin PA5 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, the other end of resistance R 820 connects respectively 8 pin of detection chip U15, the 47 pin PA4 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit;
Described signal mode number conversion circuit connecting relation is: 8 pin VCC termination+5V power supply and the capacitor C 41 of A/D conversion chip U6, capacitor C 42, one end of resistance R 41, the 7 pin CLK of A/D conversion chip U6,6 pin DATA, 5 pin CONV connect respectively the 27 pin PD2 ports of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 26 pin PD1 ports and 25 pin PD0 ports, the other end AGND1 of capacitor C 41 and capacitor C 42, the other end connecting resistance R42 of resistance R 41, capacitor C 44,1 pin of one end of capacitor C 45 and voltage stabilizing chip U7, the 1 pin VREF of A/D conversion chip U6, the end of the other end connecting resistance R43 of resistance R 42 and 8 pin of voltage stabilizing chip U7, resistance R 43, capacitor C 44,2 pin of another termination voltage stabilizing chip U7 of capacitor C 45,3 pin, 6 pin, 7 pin and AGND1,1 pin of given feedback signal interface P4 links to each other with the anode of the end of Transient Suppression Diode D41 and diode D42,8 pin of the negative electrode of diode D42 and operational amplifier U8B, 2 pin of linear optical coupling U9, one end of the negative electrode of voltage stabilizing didoe D43 and capacitor C 47 links to each other, 2 pin of given feedback signal interface P4 and the other end of Transient Suppression Diode D41, resistance R 46, one end of resistance R 47 links to each other, 3 pin of the other end of resistance R 46 and linear optical coupling U9, one end of resistance R 48,4 pin of operational amplifier U8B, the collector electrode of triode Q1, the anode of voltage stabilizing didoe D43 links to each other with the other end of capacitor C 47,4 pin of the other end of resistance R 47 and linear optical coupling U9B, 5 pin of operational amplifier U8B link to each other, the other end of resistance R 48 links to each other with 6 pin of operational amplifier U8B and an end of capacitor C 48, the other end of electric capacity R48 links to each other with 7 pin of operational amplifier U8B and the base stage of triode Q1, the emitter of triode Q1 is connected on 1 pin of linear optical coupling U9A through resistance R 49,6 pin of linear optical coupling U9C connect 2 pin and the resistance R 45 of operational amplifier U8A, one end of capacitor C 46,5 pin of linear optical coupling U9C and 3 pin of operational amplifier U8A meet AGND1, the other end of resistance R 45 and capacitor C 46 is connected on 1 pin of operational amplifier U8, one end of resistance R 44, the other end of resistance R 44 meets the 2 pin IN+ of conversion chip U6 and an end of capacitor C 43, the 3 pin IN-of another termination A/D conversion chip U6 of capacitor C 43,4 pin GND and AGND1;
Described feedback coefficient analog conversion circuit annexation is: the 1 pin DIN of D/A analog-digital chip U10,2 pin SCLK and 3 pin CS meet respectively the 51 pin PA0 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 50 pin PA1 and 49 pin, an end and the power supply+5V of the 8 pin VCC connecting resistance R51 of D/A analog-digital chip U10,5 pin of D/A analog-digital chip U10 connect capacitor C 51, one end of capacitor C 52,2 pin of voltage stabilizing chip U11,3 pin, 6 pin, 7 pin and AGND1,6 pin of D/A analog-digital chip U10 connect capacitor C 51, capacitor C 52,1 pin of the other end of resistance R 51 and voltage stabilizing chip U11,8 pin, AGND1, inductance L 4 is connected between GND and the AGND1, capacitor C 56 is connected between power supply+5V and the AGND1, output 7 pin of D/A analog-digital chip U10 connect an end of capacitor C 53 through resistance R 25,6 pin of operational amplifier U12B and 3 pin of linear optical coupling U13,4 pin of linear optical coupling U13,5 pin of operational amplifier U12B, the collector electrode of 4 pin and triode Q2 all is connected on the AGND1,7 pin of operational amplifier U12B, the other end of capacitor C 53, the base stage of triode Q2 links to each other, the emitter of triode Q2 is connected on 1 pin of linear optical coupling U13,2 pin of linear optical coupling U13 through resistance R 53 be connected on+5 power supplys on, the anode of diode D52, the collector electrode of triode Q5,3 pin of the given feedback signal interface P4 of one termination signal analog to digital conversion circuit of the collector electrode of triode Q3 and resistance R 54, the negative electrode of diode D52 connects the negative electrode of voltage stabilizing didoe D53 and 1 pin of transient state voltage stabilizing didoe D54, the anode of voltage stabilizing didoe D53,2 pin of transient state voltage stabilizing didoe D54,4 pin of the given feedback signal interface P4 of one termination circuit of resistance R 58 and resistance R 59, the other end of resistance R 58 links to each other with 5 pin of linear optical coupling U13 and 3 pin of operational amplifier U12A, 6 pin of the other end wiring optocoupler U13 of resistance R 59,4 pin of operational amplifier U12A, the emitter of triode Q4 and resistance R 57, resistance R 56, resistance R 55, one end of capacitor C 54, the other end of resistance R 57 links to each other with 2 pin of operational amplifier U12A and an end of capacitor C 55,1 pin of operational amplifier U12A, the other end of capacitor C 55 links to each other with the base stage of triode Q5,8 pin of operational amplifier U12A and the other end of capacitor C 54, the emitter of the negative electrode of voltage stabilizing didoe D51 and triode Q3 links to each other, the emitter of triode Q5 links to each other with the other end of resistance R 56, the anode of voltage stabilizing didoe D51 links to each other with the base stage of triode Q4 and the other end of resistance R 55, and the other end of resistance R 54 links to each other with the base stage of triode Q3 and the collector electrode of triode Q4;
Described position transducer analog to digital conversion circuit annexation is: 8 pin VCC termination+5A of A/D conversion chip U3,1 pin of position sensor interface P2 connects the 1 pin VREF end of A/D conversion chip U3,2 pin of P2 connect capacitor C 25, capacitor C 26, the 2 pin IN+ end of A/D conversion chip U3, the end of the 3 pin connecting resistance R24 of P2, another termination capacitor C 25 of resistance R 24, capacitor C 26, the 3 pin IN-of one end of inductance L 3 and A/D conversion chip U3,4 pin GND end, the other end ground connection GND of inductance L 3, the 7 pin CLK of A/D conversion chip U3,6 pin DATA, 5 pin CONV meet respectively the 32 pin PD7 of the single-chip microcomputer U1 of single-chip microcomputer and peripheral circuit, 31 pin PD6 and 30 pin PD5, capacitor C 21 and capacitor C 22 be connected on+5A power supply and AGND1 between, one termination of resistance R 21+5A power supply, 1 pin of another termination voltage stabilizing chip U2 of resistance R 21, resistance R 22, capacitor C 23, one end of capacitor C 24 is attempted by the 1 pin VREF of A/D conversion chip U3, one end of the other end of resistance R 22 and resistance R 23 together is connected to 8 pin of voltage stabilizing chip U2,2 pin of another termination voltage stabilizing chip U2 of resistance R 23,3 pin, 6 pin, 7 pin and capacitor C 23, the other end of capacitor C 24 and AGND1;
Described remote manual control, travel limits and drive part circuit connecting relation are: interface P6 is stroke limit and heat protection interface, 4 pin of interface P6 connect+15V, 3 pin of interface P6 connect 1 pin of optocoupler O1 through resistance R 702, the 2 pin process resistance R 704 of interface P6 connects 1 pin of optocoupler O2, and 1 pin of interface P6 connects 1 pin of optocoupler O3 through resistance R 706; Interface P7 is the remote manual control interface, 5 pin of interface P7 connect+and 15,4 pin of interface P7 connect 1 pin of optocoupler O5 through resistance R 710,3 pin of interface P7 connect 1 pin of optocoupler O6 through resistance R 712, the 2 pin process resistance R 714 of interface P7 connects 1 pin of optocoupler O7, and 1 pin of interface P7 connects 1 pin of optocoupler O4 through resistance R 708; Optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,2 pin of optocoupler O7 all meet IGND, optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6,3 pin of optocoupler O7 all meet GND, connect with inductance L7 between IGND and the GND, power supply+5V passes through respectively resistance R 701, resistance R 703, resistance R 705, resistance R 707, resistance R 709, resistance R 711, resistance R 713, resistance R 715, resistance R 716 is connected on optocoupler O1, optocoupler O2, optocoupler O3, optocoupler O4, optocoupler O5, optocoupler O6, optocoupler O7, optocoupler O8, be connected on respectively again the single-chip microcomputer 41 pin PC6 of single-chip microcomputer and peripheral circuit on 4 pin of optocoupler O9,40 pin PC5,39 pin PC4,38 pin PC3,37 pin PC2,36 pin PC1,35 pin PC0,46 pin PA5, on the 47 pin PA4 ports; The driving signal of drive part is connected on respectively on 1 pin of optocoupler O10 and pin O11 through resistance R 718 and resistance R 720 by single-chip microcomputer 17 pin PB7 and the output of 16 pin PB6 ports of single-chip microcomputer and peripheral circuit, 2 pin of optocoupler O10 and pin O11 all meet GND, interface P8 is the transducer drive port, 1 pin of interface P8 is connected on 4 pin of optocoupler O10 and optocoupler O11 through resistance R 717 and resistance R 719 respectively for drive end provides high potential V+, simultaneously 4 pin of optocoupler O10 are connected on 3 pin of interface P8 as opening signal, 4 pin of optocoupler O11 are connected on 2 pin of interface P8 as closing signal, 6 pin of the equal connection interface P8 of 3 pin of optocoupler O10 and O11 are as the common port that drives signal, 4 pin of interface P8 link to each other with single-chip microcomputer U1 as the serial communication end with 5 pin, and single-chip microcomputer carries out speed regulating control by the serial communication end to frequency converter;
High potential V+ is connected on 1 pin of optocoupler O12 and 4 pin of optocoupler O13 through resistance R 721 and resistance R 724 respectively, 4 pin of optocoupler O13 link to each other with 4 pin of interface P8, power supply+5V is connected on 4 pin of optocoupler O12 and 1 pin of optocoupler O13 through resistance R 722 and R723 respectively, 2 pin of optocoupler O12 link to each other with 5 pin of interface P8,3 pin of optocoupler O12 meet GND, 4 pin of optocoupler O12 link to each other with the 45 pin PA6 ports of single-chip microcomputer U1,2 pin of optocoupler O13 link to each other with the 44 pin PA7 ports of single-chip microcomputer U1, and 3 pin of optocoupler O13 link to each other with 6 pin of interface P8.
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| CN201210415770.3A CN102891650B (en) | 2012-10-26 | 2012-10-26 | High-end intelligent frequency conversion control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267623A (en) * | 2014-09-10 | 2015-01-07 | 上海津信变频器有限公司 | Control device for automatically controlling motor of roller shutter door |
| CN112669799A (en) * | 2020-12-04 | 2021-04-16 | 深圳市道和实业有限公司 | 4-path analog output circuit module for electronic guitar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1118437A (en) * | 1997-06-23 | 1999-01-22 | Mitsubishi Electric Corp | Power conversion device |
| CN101604149A (en) * | 2009-05-13 | 2009-12-16 | 上海源致信息技术有限公司 | Full-digital intelligent control system for electric actuating mechanism |
| CN202998005U (en) * | 2012-10-26 | 2013-06-12 | 天津津伯仪表技术有限公司 | High-end intelligent frequency converting control circuit |
-
2012
- 2012-10-26 CN CN201210415770.3A patent/CN102891650B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1118437A (en) * | 1997-06-23 | 1999-01-22 | Mitsubishi Electric Corp | Power conversion device |
| CN101604149A (en) * | 2009-05-13 | 2009-12-16 | 上海源致信息技术有限公司 | Full-digital intelligent control system for electric actuating mechanism |
| CN202998005U (en) * | 2012-10-26 | 2013-06-12 | 天津津伯仪表技术有限公司 | High-end intelligent frequency converting control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267623A (en) * | 2014-09-10 | 2015-01-07 | 上海津信变频器有限公司 | Control device for automatically controlling motor of roller shutter door |
| CN112669799A (en) * | 2020-12-04 | 2021-04-16 | 深圳市道和实业有限公司 | 4-path analog output circuit module for electronic guitar |
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| CN102891650B (en) | 2015-07-08 |
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