CN103151224A

CN103151224A - Smooth switching control device and control method of dual-coil bi-state permanent magnetic contactor

Info

Publication number: CN103151224A
Application number: CN201310047824XA
Authority: CN
Inventors: 汪先兵; 徐东东; 倪受春; 王祥傲; 彭靳; 庞军
Original assignee: Chuzhou University
Current assignee: Chuzhou University
Priority date: 2013-02-07
Filing date: 2013-02-07
Publication date: 2013-06-12
Anticipated expiration: 2033-02-07
Also published as: CN103151224B

Abstract

The invention relates to a smooth switching control device and control method of a dual-coil bi-state permanent magnetic contactor. The device comprises a power supply module, a microprocessor, a closing-separating bi-direction switching control module, a capacitance-voltage isolation detection module, a closing-separating capacitance charging module and a power switch tube drive module. In the device, the closing-separating bi-direction switching control module adopts two groups of closing-separating charging capacitances to realize the smooth switching control between forward current and reverse current, which flow in a separating coil and a closing coil of the dual-coil bi-state permanent magnetic contactor, so that the working efficiency is efficiently increased, and the electrical and mechanical service life of the permanent magnetic contactor can be improved.

Description

Twin coil bistable permanent magnetic contactor take over seamlessly control device and control method

Technical field

What the present invention relates to twin coil bistable permanent magnetic contactor takes over seamlessly control device and control method, belongs to the Intelligent Low-voltage Electrical Apparatus technical field.

Background technology

Permanent magnet contactor is little with power consumption, noiselessness, contact bounce number of times are few, be subjected to voltage ripple of power network to affect the advantages such as little, in new switching equipment, be subject to paying close attention to widely, but when controlling commutation circuit and electrical network and rolling electricity, power down occur about permanent magnet contactor, the decision problem of permanent magnet contactor separating brake remains a study hotspot, especially controls aspect realizing comparatively complicated at twin coil bistable permanent magnetic contactor.

How employing is only closed a floodgate, switching winding is switched on carry out separating brake single closing coil energising to have twin coil bistable permanent magnetic contactor control circuit now, and contactor is mainly concentrating on the mechanical type switching aspect the capacitor switching controls.Through retrieval, the patent No. is that the Chinese patent of 200810212987.8 patent " a kind of bistable contactor drive circuit " and the patent No. are the Chinese patent of 200820031147.7 patent " pulse energizing ", and the patent No. is that the Chinese patent of 200510054654.3 patent " a kind of bistable contactor drive circuit " all discloses the control that a kind of novel bistable contactor analog control circuit is realized on/off switch.Yet, the control of on/off switch state or the single on/off switch voltage swing is controlled of contactor can only be realized in existing analog control circuit unit, therefore, dynamic adjustments in realizing the on/off switch control procedure has certain limitation, be difficult to realize that permanent magnet contactor improves rapidly the electric initial velocity of on/off switch, weaken on/off switch mechanical collision speed, to reduce contact bounce number of times and mechanical wear.The patent No. is that the Chinese patent of 03238671.0 patent " a kind of switching capacitor contactor " and the patent No. are the Chinese patent of 200520026453.8 patent " switching capacity module of contactor ", and the patent No. is that the Chinese patent of 01209141.3 patent " switching capacitor contactor " has all adopted the method for mechanical type switch capacitor in course of action, thereby realizes the optimization of contactor course of action.Yet, mechanical type switch capacitor mode speed is slower, in course of action for the dynamics of on/off switch, speed and control the big or small wayward of voltage, easily produce first and second time spring between mechanical double-throw contact, and there is certain gap in the contact between mechanism, contactor is normally moved have certain potential safety hazard.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of can increasing work efficiency, and can improve permanent magnet contactor electric and mechanical endurance twin coil bistable permanent magnetic contactor take over seamlessly control device.

Corresponding therewith, technical problem to be solved by this invention has been to provide a kind of control device that takes over seamlessly of the twin coil bistable permanent magnetic contactor based on the present invention design, can effectively increase work efficiency, and can guarantee the control method in electric and mechanical useful life.

The present invention is in order to solve the problems of the technologies described above by the following technical solutions: the present invention has designed the control device that takes over seamlessly of twin coil bistable permanent magnetic contactor, comprises supply module, microprocessor, the two-way switching controls module of on/off switch, capacitance voltage isolation detection module, on/off switch capacitance charging module and power switch tube drives module; Wherein, the input of microprocessor connects the output of capacitance voltage isolation detection module, the output of microprocessor connects the input of power switch tube drives module, the output of power switch tube drives module connects respectively on/off switch capacitance charging module and the two-way switching controls module of on/off switch, simultaneously, the on/off switch capacitance charging module is connected with capacitance voltage isolation detection module, the two-way switching controls module of on/off switch respectively, and supply module is connected with each module respectively, is its power supply; Capacitance voltage isolation detection module comprises the first photoelectricity isolation linear amplifier and the second photoelectricity isolation linear amplifier; The two-way switching controls module of on/off switch comprises following annexation: an end of the first fuse is connected with an end of supply module; One end of the interchange input of the other end of the first fuse, the first electric capacity one end, the first rectifier bridge is connected; The other end of the interchange input of the other end of supply module, the first electric capacity other end, the first rectifier bridge is connected; The negative electrode of the collector electrode of the negative electrode of the collector electrode of the positive pole of the first rectifier bridge, the 9th power switch pipe, the 9th diode, the tenth power switch pipe, the tenth diode is connected; The anode of the negative pole of the anode of the negative pole of the negative pole of the first rectifier bridge, the first resistance one end, combined floodgate electrochemical capacitor, the anode of the 5th diode, the 5th power switch pipe emitter, the 7th diode, the 7th power switch pipe emitter, the second resistance other end, separating brake electrochemical capacitor, the anode of the 4th diode, the 4th power switch pipe emitter, the second diode, the second power switch pipe emitter are connected; The collector electrode of the collector electrode of one end of the emitter of the 9th diode anode, the 9th power switch pipe, the 6th resistance, the negative electrode of the 6th diode, the 6th power switch pipe, the negative electrode of the 8th diode, the 8th power switch pipe is connected; The collector electrode of the collector electrode of one end of the emitter of the tenth diode anode, the tenth power switch pipe, the 3rd resistance, the negative electrode of the first diode, the first power switch pipe, the negative electrode of the 3rd diode, the 3rd power switch pipe is connected; The sampling input anode of the first photoelectricity isolation linear amplifier of the first resistance other end, the 4th resistance one end, capacitance voltage isolation detection module is connected; The 4th resistance other end, combined floodgate electrochemical capacitor positive pole, the 3rd resistance other end are connected; The sampling input anode of the second photoelectricity isolation linear amplifier of the second resistance other end, the 5th resistance one end, capacitance voltage isolation detection module is connected; The 5th resistance other end, separating brake electrochemical capacitor positive pole, the 6th resistance other end are connected; The first diode anode, the first power switch pipe emitter, the 11 diode anode are connected; One end of the binding post of the 11 diode cathode, the second diode cathode, the second power switch pipe collector, switching winding is connected; The 3rd diode anode, the 3rd power switch pipe emitter, the 12 diode anode are connected; One end of the binding post of the 4th diode cathode, the 12 diode cathode, the 4th power switch pipe collector, closing coil is connected; The 14 diode anode, the 8th diode anode, the 8th power switch pipe emitter are connected; The other end of the binding post of the 14 diode cathode, the 7th diode cathode, the 7th power switch pipe collector, closing coil is connected; The 13 diode anode, the 6th diode anode, the 6th power switch pipe emitter are connected; The other end of the binding post of the 13 diode cathode, the 5th diode cathode, the 5th power switch pipe collector, switching winding is connected; The gate pole of the first power switch pipe, the second power switch pipe, the 3rd power switch pipe, the 4th power switch pipe, the 5th power switch pipe, the 6th power switch pipe, the 7th power switch pipe, the 8th power switch pipe, the 9th power switch pipe, the tenth power switch pipe is respectively by the power switch tube drives module controls.

As a preferred technical solution of the present invention: also comprise anti-shake electric power supply circuits module, described supply module is connected with described microprocessor, power switch tube drives module through anti-shake electric power supply circuits module; Described capacitance voltage isolation detection module comprises combined floodgate capacitance voltage isolation detection module and separating brake capacitance voltage isolation detection module, and described supply module comprises the second tunnel operating voltage; Wherein, combined floodgate capacitance voltage isolation detection module comprises following annexation: in an end of the 4th electric capacity, supply module, the first operating voltage positive terminal of the positive pole of the second tunnel operating voltage, the first photoelectricity isolation linear amplifier is connected; In the two-way switching controls module of described on/off switch, an end of the contact of the first resistance and the 4th resistance, the 5th electric capacity is connected with the first photoelectricity isolation linear amplifier sampling input anode; Be connected to the second tunnel operating voltage in the other end of the sampling input negative terminal of the first photoelectricity isolation linear amplifier and its first operating voltage ground end, the 5th electric capacity, the other end of the 4th electric capacity and supply module; In one end of the 7th resistance, an end of the 6th electric capacity, the 7th electric capacity one end, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the first photoelectricity isolation linear amplifier is connected; One end of the other end of the 6th electric capacity, the 7th resistance other end, the 8th resistance is connected with the reference voltage input terminal of the first photoelectricity isolation linear amplifier; One end of the first inductance connects the voltage output end of the first photoelectricity isolation linear amplifier, and the first inductance other end, the 7th electric capacity other end are connected with microprocessor; In the 8th resistance other end, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the first photoelectricity isolation linear amplifier is connected; Separating brake capacitance voltage isolation detection module connects identical with combined floodgate capacitance voltage isolation detection module.

As a preferred technical solution of the present invention: described supply module also comprises first via operating voltage; Wherein, anti-shake electric power supply circuits module comprises the anti-shake electric power supply circuits of microprocessor, the anti-shake electric power supply circuits of the second power switch pipe, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe, and the annexation of the anti-shake electric power supply circuits of microprocessor is as follows: the anode of the 18 diode connects the positive pole of first via operating voltage in supply module; The 18 diode cathode, the 20 farad capacitor positive pole, the 21 farad capacitor positive pole, the 22 farad capacitor positive pole, the 23 electrochemical capacitor input service voltage end anodal, the forward low dropout voltage regulator are connected, as the positive pole of the four tunnel operating voltage in anti-shake electric power supply circuits module; The common of the 20 farad capacitor negative pole, the 21 farad capacitor negative pole, the 22 farad capacitor negative pole, the 23 electrochemical capacitor negative pole, the 24 electrochemical capacitor negative pole, forward low dropout voltage regulator is connected, as the four tunnel operating voltage ground in anti-shake electric power supply circuits module; The 24 electrochemical capacitor is anodal, the output voltage terminal of forward low dropout voltage regulator is connected with described microprocessor, as microprocessor work voltage; The anti-shake electric power supply circuits of the second power switch pipe connect as follows: the input of the 6th DC-DC module connects the second tunnel operating voltage in supply module; The 6th DC-DC module output head anode connects the 20 diode anode, and the 20 diode cathode, the 29 electrochemical capacitor positive pole, the 30 electrochemical capacitor positive pole, the 31 electric capacity one end interconnect, and outputting drive voltage is anodal; The 6th DC-DC module negative pole of output end, the 29 electrochemical capacitor negative pole, the 30 electrochemical capacitor negative pole, the 31 electric capacity other end interconnect, and outputting drive voltage ground; The anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the anti-shake electric power supply circuits method of attachment of the second power switch pipe.

As a preferred technical solution of the present invention: also comprise voltage and detection of power loss module, the input of voltage and detection of power loss module is connected with supply module, and output is connected with described microprocessor; Described supply module also comprises the Third Road operating voltage; Voltage and detection of power loss module comprise following annexation: an end of a termination supply module of the second fuse; The second fuse other end, the 16 electric capacity one end, the second rectifier bridge exchange input one end and are connected; The other end that the 16 electric capacity other end, the second rectifier bridge exchange the input other end, supply module is connected; The positive pole of the second rectifier bridge is connected with the 16 diode anode; The 16 diode cathode, the 13 resistance one end are connected; The 17 diode, the 14 resistance, the 17 electrochemical capacitor, the 18 Capacitance parallel connection; Sampling input anode, the 13 electric capacity one end of an end in parallel, the 13 resistance other end, the 3rd photoelectricity isolation linear amplifier are connected; The sampling input negative terminal of the anode of another in parallel termination photoelectrical coupler, the 3rd photoelectricity isolation linear amplifier is connected with the ground of Third Road operating voltage in its first operating voltage ground end, the 13 electric capacity other end, the 12 electric capacity one end, supply module; The negative electrode of the second rectifier bridge negative pole, photoelectrical coupler is connected; The emitter of photoelectrical coupler is connected with the ground of the four tunnel operating voltage in described anti-shake electric power supply circuits module; The collector electrode of photoelectrical coupler, the 15 resistance one end are connected with microprocessor; The output voltage terminal of the forward low dropout voltage regulator in the other end of the 15 resistance and described anti-shake electric power supply circuits module is connected; The first operating voltage positive terminal, the 12 electric capacity other end of the 3rd photoelectricity isolation linear amplifier are connected with the positive pole of Third Road operating voltage in supply module; Hold to the second operating voltage of the ground of the four tunnel operating voltage, the 3rd photoelectricity isolation linear amplifier in one end of the 11 resistance, an end of the 14 electric capacity, the 15 electric capacity one end, anti-shake electric power supply circuits module and be connected; The reference voltage input terminal of one termination the 3rd photoelectricity isolation linear amplifier of the other end of the 14 electric capacity, the 11 resistance other end, the 12 resistance; The voltage output end of one termination the 3rd photoelectricity isolation linear amplifier of the 3rd inductance; The 3rd inductance other end, the 15 electric capacity other end are connected with microprocessor; In the 12 resistance other end, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the 3rd photoelectricity isolation linear amplifier is connected.

As a preferred technical solution of the present invention: described supply module comprises alternating current conveyer and the first rectification circuit module that is connected with the alternating current conveyer respectively, the second rectification circuit module and power-supplying circuit module, and the power-supplying circuit module comprises exchanging and turns DC Module; Wherein, the alternating current conveyer is connected with described voltage and detection of power loss module through the first rectification circuit module; The alternating current conveyer is connected with described anti-shake electric power supply circuits module, power switch tube drives module respectively through the power-supplying circuit module; The alternating current conveyer is connected with described on/off switch capacitance charging module through the second rectification circuit module.

As a preferred technical solution of the present invention: also comprise the input equipment and the output equipment that are connected with described microprocessor.

The control device that takes over seamlessly of twin coil bistable permanent magnetic contactor of the present invention adopts above technical scheme compared with prior art, has following technique effect:

(1) the taking over seamlessly control device and can effectively increase work efficiency of the twin coil bistable permanent magnetic contactor of the present invention design, and can improve permanent magnet contactor electric and mechanical endurance;

(2) the twin coil bistable permanent magnetic contactor of the present invention design takes over seamlessly control device, during combined floodgate, can improve rapidly the initial rate of combined floodgate, and in the dynamic process that closes a floodgate, realized the good fit of suction and counter-force, weaken the collision spring between contact, effectively improved the arcing phenomenon;

(3) the twin coil bistable permanent magnetic contactor of the present invention design takes over seamlessly control device, during separating brake, can avoid between contact arcing and burn phenomenon, and in the dynamic process of separating brake, realized the cooperation of power energy characteristic, weaken impact and wearing and tearing between machinery, improved the electric and mechanical useful life of permanent magnet contactor;

(4) the twin coil bistable permanent magnetic contactor of the present invention design takes over seamlessly that in control device, supply module comprises alternating current conveyer and the first rectification circuit module that is connected with the alternating current conveyer respectively, the second rectification circuit module and power-supplying circuit module, incoming transport is electric easily, and by circuit, alternating current is converted into direct current, for modules is powered.

Corresponding therewith, the present invention is in order to solve the problems of the technologies described above by the following technical solutions: the present invention has designed the control method that takes over seamlessly control device of twin coil bistable permanent magnetic contactor, comprise combined floodgate control method and separating brake control method, comprise the steps:

Step 1. is connected supply module, the voltage swing of combined floodgate electrochemical capacitor and separating brake electrochemical capacitor in the two-way switching controls module of capacitance voltage isolation detection module Real-time Collection on/off switch, and feed back to microprocessor after comparing with the electric capacity load voltage value;

Simultaneously, microprocessor is according to the voltage of combined floodgate electrochemical capacitor and separating brake electrochemical capacitor and the comparative result of load voltage value, employing two-way pwm pulse signal driving power switching tube driver module control on/off switch capacitance charging module is respectively the combined floodgate electrochemical capacitor and the separating brake electrochemical capacitor charges;

The combined floodgate control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels the combined floodgate electrochemical capacitor to the discharge of closing coil forward, simultaneously to the switching winding back discharge;

When step 3. moves to the critical localisation of combined floodgate when the moving iron core of twin coil bistable permanent magnetic contactor, the discharge of electrochemical capacitor stops closing a floodgate, under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously the separating brake electrochemical capacitor to the discharge of switching winding forward, to the closing coil back discharge, complete closing operation;

The separating brake control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels the separating brake electrochemical capacitor to the discharge of switching winding forward, simultaneously to the closing coil back discharge;

When step 3. moves to the critical localisation of separating brake when the moving iron core of twin coil bistable permanent magnetic contactor, stop the discharge of separating brake electrochemical capacitor, under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously the combined floodgate electrochemical capacitor to the discharge of closing coil forward, to the switching winding back discharge, complete sub-switching operation.

As a preferred technical solution of the present invention: also comprise anti-shake electric control method, comprise the steps:

Steps A. after twin coil bistable permanent magnetic contactor is realized normal the combined floodgate, when the rolling electricity occurs in power supply, the 20 farad capacitor that is connected in parallel in anti-shake electric power supply circuits module, the 21 farad capacitor, the 22 farad capacitor discharge, and through the voltage stabilizing of forward low dropout voltage regulator, the four tunnel operating voltage of keeping in microprocessor and anti-shake electric power supply circuits module is normal;

In the anti-shake electric power supply circuits of step B. the second power switch pipe, the 29 electrochemical capacitor that is connected in parallel, the 30 electrochemical capacitor discharge, wait for the second power switch pipe conducting of microprocessor driven power switch tube drives module controls, all the other, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the operation of the second anti-shake electric power supply circuits of power switch pipe.

The control method that takes over seamlessly control device of twin coil bistable permanent magnetic contactor of the present invention adopts above technical scheme compared with prior art, have following technique effect: the control method that takes over seamlessly control device of the twin coil bistable permanent magnetic contactor of the present invention's design can effectively be increased work efficiency, and can guarantee electric and mechanical useful life.

Description of drawings

Fig. 1 be twin coil bistable permanent magnetic contactor take over seamlessly the control module theory diagram;

Fig. 2 is the two-way switching controls module circuit diagram of on/off switch;

Fig. 3 is combined floodgate capacitance voltage isolation detection module circuit diagram;

Fig. 4 is separating brake capacitance voltage isolation detection module circuit diagram;

Fig. 5 is voltage and detection of power loss module circuit diagram;

Fig. 6-1st, the schematic diagram of the anti-shake electric power supply circuits of microprocessor in anti-shake electric power supply circuits module;

Fig. 6-2nd, the anti-shake electric power supply circuits schematic diagram of the second power switch pipe in anti-shake electric power supply circuits module;

Fig. 6-3rd, the anti-shake electric power supply circuits schematic diagram of the 4th power switch pipe in anti-shake electric power supply circuits module;

Fig. 6-4th, the anti-shake electric power supply circuits schematic diagram of the 6th power switch pipe in anti-shake electric power supply circuits module;

Fig. 6-5th, the anti-shake electric power supply circuits schematic diagram of the 8th power switch pipe in anti-shake electric power supply circuits module.

Embodiment

Below in conjunction with Figure of description, the specific embodiment of the present invention is described in further detail.

As depicted in figs. 1 and 2, the present invention has designed the control device that takes over seamlessly of twin coil bistable permanent magnetic contactor, comprises supply module, microprocessor, the two-way switching controls module of on/off switch, capacitance voltage isolation detection module, on/off switch capacitance charging module and power switch tube drives module; Wherein, the input of microprocessor connects the output of capacitance voltage isolation detection module, the output of microprocessor connects the input of power switch tube drives module, the output of power switch tube drives module connects respectively on/off switch capacitance charging module and the two-way switching controls module of on/off switch, simultaneously, the on/off switch capacitance charging module is connected with capacitance voltage isolation detection module, the two-way switching controls module of on/off switch respectively, and supply module is connected with each module respectively, is its power supply; Capacitance voltage isolation detection module comprises the first photoelectricity isolation linear amplifier U1 and the second photoelectricity isolation linear amplifier U2; The two-way switching controls module of on/off switch comprises following annexation: the end of the first fuse FU1 is connected with an end of supply module; One end of the interchange input of the other end of the first fuse FU1, the first capacitor C 1 one ends, the first rectifier bridge D0 is connected; The other end of the interchange input of the other end of supply module, first capacitor C 1 other end, the first rectifier bridge D0 is connected; The negative electrode of the collector electrode of the negative electrode of the collector electrode of the positive pole of the first rectifier bridge D0, the 9th power switch pipe Q9, the 9th diode D9, the tenth power switch pipe Q10, the tenth diode D10 is connected; The anode of the negative pole of the anode of the negative pole of the negative pole of the first rectifier bridge D0, the first resistance R 1 one ends, combined floodgate electrochemical capacitor C2, the anode of the 5th diode D5, the 5th power switch pipe Q5 emitter, the 7th diode D7, the 7th power switch pipe Q7 emitter, second resistance R 2 other ends, separating brake electrochemical capacitor C3, the anode of the 4th diode D4, the 4th power switch pipe Q4 emitter, the second diode D2, the second power switch pipe Q2 emitter are connected; The negative electrode of the negative electrode of the emitter of the 9th diode D9 anode, the 9th power switch pipe Q9, an end of the 6th resistance R 6, the 6th diode D6, the collector electrode of the 6th power switch pipe Q6, the 8th diode D8, the collector electrode of the 8th power switch pipe Q8 are connected; The negative electrode of the negative electrode of the emitter of the tenth diode D10 anode, the tenth power switch pipe Q10, an end of the 3rd resistance R 3, the first diode D1, the collector electrode of the first power switch pipe Q1, the 3rd diode D3, the collector electrode of the 3rd power switch pipe Q3 are connected; The sampling input anode of the first photoelectricity isolation linear amplifier U1 of first resistance R 1 other end, the 4th resistance R 4 one ends, capacitance voltage isolation detection module is connected; The 4th resistance R 4 other ends, combined floodgate electrochemical capacitor C2 positive pole, the 3rd resistance R 3 other ends are connected; The sampling input anode of the second photoelectricity isolation linear amplifier U2 of second resistance R 2 other ends, the 5th resistance R 5 one ends, capacitance voltage isolation detection module is connected; The 5th resistance R 5 other ends, separating brake electrochemical capacitor C3 positive pole, the 6th resistance R 6 other ends are connected; The first diode D1 anode, the first power switch pipe Q1 emitter, the 11 diode D11 anode are connected; The end of the binding post JP1 of the 11 diode D11 negative electrode, the second diode D2 negative electrode, the second power switch pipe Q2 collector electrode, switching winding is connected; The 3rd diode D3 anode, the 3rd power switch pipe Q3 emitter, the 12 diode D12 anode are connected; The end of the binding post JP2 of the 4th diode D4 negative electrode, the 12 diode D12 negative electrode, the 4th power switch pipe Q4 collector electrode, closing coil is connected; The 14 diode D14 anode, the 8th diode D8 anode, the 8th power switch pipe Q8 emitter are connected; The other end of the binding post JP2 of the 14 diode D14 negative electrode, the 7th diode D7 negative electrode, the 7th power switch pipe Q7 collector electrode, closing coil is connected; The 13 diode D13 anode, the 6th diode D6 anode, the 6th power switch pipe Q6 emitter are connected; The other end of the binding post JP1 of the 13 diode D13 negative electrode, the 5th diode D5 negative electrode, the 5th power switch pipe Q5 collector electrode, switching winding is connected; The gate pole of the first power switch pipe Q1, the second power switch pipe Q2, the 3rd power switch pipe Q3, the 4th power switch pipe Q4, the 5th power switch pipe Q5, the 6th power switch pipe Q6, the 7th power switch pipe Q7, the 8th power switch pipe Q8, the 9th power switch pipe Q9, the tenth power switch pipe Q10 is respectively by the power switch tube drives module controls.

The taking over seamlessly control device and can effectively increase work efficiency of the twin coil bistable permanent magnetic contactor of the present invention design, and can improve permanent magnet contactor electric and mechanical endurance.

As a preferred technical solution of the present invention: also comprise anti-shake electric power supply circuits module, described supply module is connected with described microprocessor, power switch tube drives module through anti-shake electric power supply circuits module; Described capacitance voltage isolation detection module comprises combined floodgate capacitance voltage isolation detection module and separating brake capacitance voltage isolation detection module, and described supply module comprises the second tunnel operating voltage; Wherein, as shown in Figure 3, combined floodgate capacitance voltage isolation detection module comprises following annexation: in an end of the 4th capacitor C 4, supply module, the first operating voltage positive terminal of the positive pole of the second tunnel operating voltage, the first photoelectricity isolation linear amplifier U1 is connected; In the two-way switching controls module of described on/off switch, an end of the contact of the first resistance R 1 and the 4th resistance R 4, the 5th capacitor C 5 is connected with the first photoelectricity isolation linear amplifier U1 sampling input anode; Be connected to the second tunnel operating voltage in the other end of the sampling input negative terminal of the first photoelectricity isolation linear amplifier U1 and its first operating voltage ground end, the 5th capacitor C 5, the other end of the 4th capacitor C 4 and supply module; In one end of one end of the 7th resistance R 7, the 6th capacitor C 6, the 7th capacitor C 7 one ends, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the first photoelectricity isolation linear amplifier U1 is connected; One end of the other end of the 6th capacitor C 6, the 7th resistance R 7 other ends, the 8th resistance R 8 is connected with the reference voltage input terminal of the first photoelectricity isolation linear amplifier U1; One end of the first inductance L 1 connects the voltage output end of the first photoelectricity isolation linear amplifier U1, and first inductance L 1 other end, the 7th capacitor C 7 other ends are connected with microprocessor; In the 8th resistance R 8 other ends, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the first photoelectricity isolation linear amplifier U1 is connected; Separating brake capacitance voltage isolation detection module connects identical with combined floodgate capacitance voltage isolation detection module.

As shown in Figure 4, separating brake capacitance voltage isolation detection module comprises following annexation: in an end of the 8th capacitor C 8, supply module, the first operating voltage positive terminal of the positive pole of the second tunnel operating voltage, the second photoelectricity isolation linear amplifier U2 is connected; In the two-way switching controls module of described on/off switch, an end of the contact of the second resistance R 2 and the 5th resistance R 5, the 9th capacitor C 9 is connected with the second photoelectricity isolation linear amplifier U2 sampling input anode; Be connected to the second tunnel operating voltage in the other end of the sampling input negative terminal of the second photoelectricity isolation linear amplifier U2 and its first operating voltage ground end, the 9th capacitor C 9, the other end of the 8th capacitor C 8 and supply module; In one end of one end of the 9th resistance R 9, the tenth capacitor C 10, the 11 capacitor C 11 1 ends, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the second photoelectricity isolation linear amplifier U2 is connected; One end of the other end of the tenth capacitor C 10, the 9th resistance R 9 other ends, the tenth resistance R 10 is connected with the reference voltage input terminal of the second photoelectricity isolation linear amplifier U2; One end of the second inductance L 2 connects the voltage output end of the second photoelectricity isolation linear amplifier U2, and second inductance L 2 other ends, the 11 capacitor C 11 other ends are connected with microprocessor; In the tenth resistance R 10 other ends, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the second photoelectricity isolation linear amplifier U2 is connected.

As a preferred technical solution of the present invention: described supply module also comprises first via operating voltage; Wherein, anti-shake electric power supply circuits module comprises the anti-shake electric power supply circuits of microprocessor, the anti-shake electric power supply circuits of the second power switch pipe, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe, as shown in Fig. 6-1, the annexation of the anti-shake electric power supply circuits of microprocessor is as follows: the anode of the 18 diode D18 connects the positive pole of first via operating voltage in supply module; The 18 diode D18 negative electrode, the 20 farad capacitor C20 positive pole, the 21 farad capacitor C21 positive pole, the 22 farad capacitor C22 positive pole, the 23 electrochemical capacitor C23 input service voltage end anodal, forward low dropout voltage regulator U5 are connected, as the positive pole of the four tunnel operating voltage in anti-shake electric power supply circuits module; The common of the 20 farad capacitor C20 negative pole, the 21 farad capacitor C21 negative pole, the 22 farad capacitor C22 negative pole, the 23 electrochemical capacitor C23 negative pole, the 24 electrochemical capacitor C24 negative pole, forward low dropout voltage regulator U5 is connected, as the four tunnel operating voltage ground in anti-shake electric power supply circuits module; The 24 electrochemical capacitor C24 is anodal, the Input voltage terminal of forward low dropout voltage regulator U5 is connected with described microprocessor, as microprocessor work voltage; As shown in Fig. 6-2, the anti-shake electric power supply circuits of the second power switch pipe connect as follows: the input of the 6th DC-DC module P6 connects the second tunnel operating voltage in supply module; The output head anode of the 6th DC-DC module P6 connects the 20 diode D20 anode, the 20 diode D20 negative electrode, the 29 electrochemical capacitor C29 positive pole, the 30 electrochemical capacitor C30 positive pole, the 31 capacitor C 31 1 ends interconnect, and outputting drive voltage is anodal; The negative pole of output end of the 6th DC-DC module P6, the 29 electrochemical capacitor C29 negative pole, the 30 electrochemical capacitor C30 negative pole, the 31 capacitor C 31 other ends interconnect, and outputting drive voltage ground; The anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the anti-shake electric power supply circuits method of attachment of the second power switch pipe.

Wherein, as shown in Fig. 6-3, the anti-shake electric power supply circuits of the 4th power switch pipe connect as follows: the input of the 7th DC-DC module P7 connects the second tunnel operating voltage in supply module; The output head anode of the 7th DC-DC module P7 connects the 21 diode D21 anode, the 21 diode D21 negative electrode, the 32 electrochemical capacitor C32 positive pole, the 33 electrochemical capacitor C33 positive pole, the 34 capacitor C 34 1 ends interconnect, and outputting drive voltage is anodal; The negative pole of output end of the 7th DC-DC module P7, the 32 electrochemical capacitor C32 negative pole, the 33 electrochemical capacitor C33 negative pole, the 34 capacitor C 34 other ends interconnect, and outputting drive voltage ground.

As shown in Fig. 6-4, the anti-shake electric power supply circuits of the 6th power switch pipe connect as follows: the input of the 8th DC-DC module P8 connects the second tunnel operating voltage in supply module; The output head anode of the 8th DC-DC module P8 connects the 19 diode D19 anode, the 19 diode D19 negative electrode, the 26 electrochemical capacitor C26 positive pole, the 27 electrochemical capacitor C27 positive pole, the 28 capacitor C 28 1 ends interconnect, and output voltage is anodal; The negative pole of output end of the 8th DC-DC module P8, the 26 electrochemical capacitor C26 negative pole, the 27 electrochemical capacitor C27 negative pole, the 28 capacitor C 28 other ends interconnect, and outputting drive voltage ground.

As shown in Fig. 6-5, the anti-shake electric power supply circuits of the 8th power switch pipe connect as follows: the input of the 9th DC-DC module P9 connects the second tunnel operating voltage in supply module; The output head anode of the 9th DC-DC module P9 connects the 22 diode D22 anode, the 22 diode D22 negative electrode, the 35 electrochemical capacitor C35 positive pole, the 36 electrochemical capacitor C36 positive pole, the 37 capacitor C 37 1 ends interconnect, and outputting drive voltage is anodal; The negative pole of output end of the 9th DC-DC module P9, the 35 electrochemical capacitor C35 negative pole, the 36 electrochemical capacitor C36 negative pole, the 37 capacitor C 37 other ends interconnect, and outputting drive voltage ground.

As a preferred technical solution of the present invention: also comprise voltage and detection of power loss module, the input of voltage and detection of power loss module is connected with supply module, and output is connected with described microprocessor; Described supply module also comprises the Third Road operating voltage; As shown in Figure 5, voltage and detection of power loss module comprise following annexation: an end of the termination supply module of the second fuse FU2; The second fuse FU2 other end, the 16 capacitor C 16 1 ends, the second rectifier bridge D15 exchange input one end and are connected; The other end that the 16 capacitor C 16 other ends, the second rectifier bridge D15 exchange the input other end, supply module is connected; The positive pole of the second rectifier bridge D15 is connected with the 16 diode D16 anode; The 16 diode D16 negative electrode, the 13 resistance R 13 1 ends are connected; The 17 diode D17, the 14 resistance R 14, the 17 electrochemical capacitor C17, the 18 capacitor C 18 parallel connections; Sampling input anode, the 13 capacitor C 13 1 ends of an end in parallel, the 13 resistance R 13 other ends, the 3rd photoelectricity isolation linear amplifier U3 are connected; The sampling input negative terminal of the anode of another termination photoelectrical coupler U4 in parallel, the 3rd photoelectricity isolation linear amplifier U3 is connected with the ground of Third Road operating voltage in its first operating voltage ground end, the 13 capacitor C 13 other ends, the 12 capacitor C 12 1 ends, supply module; The negative electrode of the second rectifier bridge D15 negative pole, photoelectrical coupler U4 is connected; The emitter of photoelectrical coupler U4 is connected with the ground of the four tunnel operating voltage in described anti-shake electric power supply circuits module; The collector electrode of photoelectrical coupler U4, the 15 resistance R 15 1 ends are connected with microprocessor; The output voltage terminal of forward low dropout voltage regulator U5 in the other end of the 15 resistance R 15 and described anti-shake electric power supply circuits module is connected; The first operating voltage positive terminal, the 12 capacitor C 12 other ends of the 3rd photoelectricity isolation linear amplifier U3 are connected with the positive pole of Third Road operating voltage in supply module; In one end of the 11 resistance R 11, an end of the 14 capacitor C 14, the 15 capacitor C 15 1 ends, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the 3rd photoelectricity isolation linear amplifier U3 is connected; The reference voltage input terminal of one termination the 3rd photoelectricity isolation linear amplifier U3 of the other end of the 14 capacitor C 14, the 11 resistance R 11 other ends, the 12 resistance R 12; The voltage output end of one termination the 3rd photoelectricity isolation linear amplifier U3 of the 3rd inductance L 3; The 3rd inductance L 3 other ends, the 15 capacitor C 15 other ends are connected with microprocessor; In the 12 resistance R 12 other ends, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the 3rd photoelectricity isolation linear amplifier U3 is connected.

The twin coil bistable permanent magnetic contactor of the present invention design take over seamlessly that in control device, supply module comprises alternating current conveyer and the first rectification circuit that is connected with the alternating current conveyer respectively, the second rectification circuit and power-supplying circuit, incoming transport is electric easily, and by rectification circuit, alternating current is converted into direct current, for modules is powered.

The twin coil bistable permanent magnetic contactor of the present invention design take over seamlessly control device, during combined floodgate, can improve rapidly the initial rate of combined floodgate, and in the dynamic process that closes a floodgate, realized the good fit of suction and counter-force, weaken the collision spring between contact, effectively improved the arcing phenomenon.

The twin coil bistable permanent magnetic contactor of the present invention design take over seamlessly control device, during separating brake, can avoid between contact arcing and burn phenomenon, and in the dynamic process of separating brake, realized the cooperation of power energy characteristic, weaken impact and wearing and tearing between machinery, improved the electric and mechanical useful life of permanent magnet contactor.

Corresponding therewith, the present invention has designed the control method that takes over seamlessly control device of twin coil bistable permanent magnetic contactor, comprises combined floodgate control method and separating brake control method, comprises the steps:

Step 1. is connected supply module, the voltage swing of combined floodgate electrochemical capacitor C2 and separating brake electrochemical capacitor C3 in the two-way switching controls module of capacitance voltage isolation detection module Real-time Collection on/off switch, and feed back to microprocessor after comparing with the electric capacity load voltage value;

Simultaneously, microprocessor is according to combined floodgate electrochemical capacitor C2 and the voltage of separating brake electrochemical capacitor C3 and the comparative result of load voltage value, employing two-way pwm pulse signal driving power switching tube driver module control on/off switch capacitance charging module is respectively combined floodgate electrochemical capacitor C2 and separating brake electrochemical capacitor C3 charges;

It is characterized in that, after described step 1, combined floodgate control method and separating brake control method comprise the steps: respectively

The combined floodgate control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels combined floodgate electrochemical capacitor C2 to the discharge of closing coil forward, simultaneously to the switching winding back discharge;

When step 3. moves to the critical localisation of combined floodgate when the moving iron core of twin coil bistable permanent magnetic contactor, the discharge of electrochemical capacitor C2 stops closing a floodgate, under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously separating brake electrochemical capacitor C3 to the discharge of switching winding forward, to the closing coil back discharge, complete closing operation;

The separating brake control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels separating brake electrochemical capacitor C3 to the discharge of switching winding forward, simultaneously to the closing coil back discharge;

When step 3. moves to the critical localisation of separating brake when the moving iron core of twin coil bistable permanent magnetic contactor, stop the discharge of separating brake electrochemical capacitor C3, under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously combined floodgate electrochemical capacitor C2 to the discharge of closing coil forward, to the switching winding back discharge, complete sub-switching operation.

Steps A. after twin coil bistable permanent magnetic contactor is realized normal the combined floodgate, when the rolling electricity occurs in power supply, the 20 farad capacitor C20, the 21 farad capacitor C21 that is connected in parallel in anti-shake electric power supply circuits module, the 22 farad capacitor C22 discharge, and through forward low dropout voltage regulator U5 voltage stabilizing, the four tunnel operating voltage of keeping in microprocessor and anti-shake electric power supply circuits module is normal;

In the anti-shake electric power supply circuits of step B. the second power switch pipe, the 29 electrochemical capacitor C29 that is connected in parallel, the 30 electrochemical capacitor C30 discharge, wait for the second power switch pipe Q2 conducting of microprocessor driven power switch tube drives module controls, all the other, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the operation of the second anti-shake electric power supply circuits of power switch pipe.

The control method that takes over seamlessly control device of the twin coil bistable permanent magnetic contactor of the present invention's design can effectively be increased work efficiency, and can guarantee electric and mechanical useful life.

The twin coil bistable permanent magnetic contactor of the present invention design take over seamlessly control device in the middle of actual application, in three tunnel operating voltages in supply module and anti-shake electric power supply circuits module, the four tunnel operating voltage is 5V, and wherein the model of the first photoelectricity isolation linear amplifier U1, the second photoelectricity isolation linear amplifier U2, the 3rd photoelectricity isolation linear amplifier U3 is HCPL-7510; The model of photoelectrical coupler U4 is TLP521-1; The model of forward low dropout voltage regulator U5 is ASM1117-3.3; The model of the first power switch pipe Q1, the second power switch pipe Q2, the 3rd power switch pipe Q3, the 4th power switch pipe Q4, the 5th power switch pipe Q5, the 6th power switch pipe Q6, the 7th power switch pipe Q7, the 8th power switch pipe Q8, the 9th power switch pipe Q9 and the tenth power switch pipe Q10 is KGT25N120NDA; The chip model of microprocessor is STM32F103RCT6; Exchanging the model that turns DC Module in the power-supplying circuit module is ANSJ HAW2.5-220S05A3, and the 6th DC-DC module P6 in anti-shake electric power supply circuits module, the 7th DC-DC module P7, the 8th DC-DC module P8, the 9th DC-DC module P9 model are MORNSUN B0515LS-1W.

the twin coil bistable permanent magnetic contactor of the present invention design take over seamlessly control device in application, the power-supplying circuit module is mainly the first power switch pipe Q1, the 3rd power switch pipe Q3, the 5th power switch pipe Q5, the 7th power switch pipe Q7, the 9th power switch pipe Q9, the tenth power switch pipe Q10 and anti-shake electric power supply circuits module for power supply, anti-shake electric power supply circuits module mainly comprises the anti-shake electric power supply circuits of microprocessor, the anti-shake electric power supply circuits of the second power switch pipe, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe and the anti-shake electric power supply circuits of the 8th power switch pipe, wherein, forward low dropout voltage regulator U5 is output as microprocessor power supply, when the rolling electrical phenomena occurring, farad capacitor in anti-shake electric power supply circuits module can discharge to forward low dropout voltage regulator U5 input, the normal operation of assurance microprocessor, electrochemical capacitor is mainly power switch pipe Q2 in the two-way switching controls module of on/off switch, Q4, Q6, the Q8 power supply, when appearring in assurance, power down can realize normal separating brake under microprocessor is controlled, on/off switch capacitance charging module and capacitance voltage isolation detection module Main Function are inputs big or small with the capacitance voltage of real-time detection under microprocessor is assisted and that the comparative result electric capacity load voltage value feeds back as detection, are charged to load voltage value for respectively combined floodgate electrochemical capacitor and separating brake electrochemical capacitor.

Whether whether the voltage swing that voltage and detection of power loss module mainly detect supply module meet standard and power down, ensures contactor normal occlusion separating brake, the normal stable operation of equipment.The two-way switching controls module of on/off switch is under the microprocessor-based control effect, two groups of charging capacitors of employing on/off switch are realized taking over seamlessly control between the forward current of the switching winding of twin coil bistable permanent magnetic contactor and closing coil circulation and reverse current, effectively improve rapidly the electric initial velocity of twin coil bistable permanent magnetic contactor on/off switch, weaken on/off switch mechanical collision speed, improve contact bounce and the arcing phenomenon of permanent magnet contactor, strengthen service behaviour and the life-span of permanent magnet contactor.

In the two-way switching controls module of on/off switch, realize the on/off switch operation by microprocessor power ratio control switching tube, wherein the first fuse FU1 is connected on an end of supply module and rectifier bridge and exchanges and be used for protective circuit between input, and the first capacitor C 1 is connected in parallel on and is used for filtering high frequency between an end of supply module and the other end; 6 pairs of the 3rd resistance R 3, the 6th resistance R play metering function when capacitor charging or during the on/off switch coil electricity, avoid surge that circuit is impacted; Be connected in parallel on combined floodgate electrochemical capacitor C2 two ends after the first resistance R 1, the 4th resistance R 4 series connection, adopt the method sampling combined floodgate capacitance voltage of dividing potential drop current limliting; Be connected in parallel on separating brake electrochemical capacitor C3 two ends after the second resistance R 2, the 5th resistance R 5 series connection, adopt the method sampling separating brake capacitance voltage of dividing potential drop current limliting.To the discharge of closing coil forward, combined floodgate electrochemical capacitor C2 passes through the first power switch pipe Q1, the 12 diode D11, the 5th power switch pipe Q5 to the switching winding back discharge to combined floodgate electrochemical capacitor C2 by the 3rd power switch pipe Q3, the 12 diode D12, the 7th power switch pipe Q7; To the discharge of switching winding forward, separating brake electrochemical capacitor C3 passes through the 8th power switch pipe Q8, the 14 diode D14, the 4th power switch pipe Q4 to the closing coil back discharge to separating brake electrochemical capacitor C3 by the 6th power switch pipe Q6, the 13 diode D13, the second power switch pipe Q2; Power switch pipe Q1 wherein,, Q2, Q3, Q4, Q5, Q6, Q7, Q8 drive by microprocessor power ratio control switching tube driver module, provides strong circuit support for taking over seamlessly to control between the forward current of arbitrary coil circulation of realizing the twin coil permanent magnet contactor and reverse current; In circuit, diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 are connected in parallel on respectively power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10 two ends; play the protection power switch pipe, the driving of power switch pipe adopts photoelectric coupler isolation to drive.

In capacitance voltage isolation detection module, the first photoelectricity isolation linear amplifier and the second photoelectricity isolation linear amplifier are the isolated amplifier HCPL-7510 of the electric current sensitivity of U.S. Agilent company production, be mainly used in the detection of motor current, also can be used for carrying out between analog circuit and digital circuit the isolation of signal, its operating voltage for isolation two+5V, operating current is 16mA, input voltage is-256 ~+256mV, the linearity 0.06%, bandwidth are 100KHZ, and it gains by reference voltage V _REFDetermine gain formula: G=V _REF/ 0.512.In the present invention, combined floodgate capacitance voltage isolation detection module adopts the 7th resistance R 7, the 8th resistance R 8 series connection dividing potential drops act as photoelectricity isolation linear amplifier U1 provides reference voltage VREF, in combined floodgate capacitance voltage isolation detection module, recording voltage is Vcap_Close=(5*R7/ (R7+R8) with the pass that gathers voltage)/0.512; In the present invention, separating brake capacitance voltage isolation detection module is identical with combined floodgate capacitance voltage isolation detection module, and specific implementation please refer to above process.Microprocessor is realized the size of on/off switch capacitor charging magnitude of voltage is controlled by the power ratio control switching tube after gathering capacitance voltage.

In voltage and detection of power loss module, the second fuse FU2 is connected on and is used for protective circuit between an end of supply module and rectifier bridge ac input end, the 16 capacitor C 16 is connected in parallel between an end of supply module and the other end and is used for filtering high frequency, voltage after the 13 resistance R 13,14 pairs of rectifications of the 14 resistance R carries out dividing potential drop, the 14 resistance R 14 is relatively very little with the 13 resistance R 13, after dividing potential drop, the voltage at resistance R 14 two ends is as the sampling of voltage, and U4 sends microprocessor to by photoelectrical coupler; The emitter of photoelectrical coupler U4 connects the ground of the first via operating voltage of supply module, the collector electrode of photoelectrical coupler U4 accesses microprocessor after the pull-up resistor of microprocessor work voltage D3.3V, under actual conditions, alternating current produces the voltage of pulsation after over commutation, under the effect of the 13 resistance R 13, the 14 resistance R 14 current limlitings and pull-up resistor R15, the photoelectrical coupler U4 collector electrode output cycle is the square wave of 10mS, and microprocessor judges whether to occur power down by the variation that detects square wave.

In anti-shake electric power supply circuits module, when occur power down or the rolling electricity during, farad capacitor the 18 diode D18 order about lower during to normal power supply the sense of current discharge, continue to power to microprocessor by forward low dropout voltage regulator U5, guaranteed that microprocessor can work a period of time under power-down conditions, having avoided can not normal operation because shaking electric microprocessor; The present invention adopts photoelectrical coupler driving power switching tube, in the situation that power down occurs, the 29 capacitor C 29, the 30 capacitor C 30 discharge are kept voltage in can driving power switching tube normally voltage, wait for that the microprocessor photoelectrical coupler drives the conducting of the second power switch pipe Q2, all the other, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the operation of the second anti-shake electric power supply circuits of power switch pipe; During power down, the separating brake electrochemical capacitor is to the discharge of switching winding forward under the effect of microprocessor driven, and simultaneously to the closing coil back discharge, on/off switch coil magnetization direction is identical, orders about moving iron core to the motion of separating brake direction, realizes the effect of power down separating brake.

The above has done detailed description to embodiments of the present invention by reference to the accompanying drawings, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skills possess, can also make a variety of changes under the prerequisite that does not break away from aim of the present invention.

Claims

twin coil bistable permanent magnetic contactor take over seamlessly control device, comprise supply module, microprocessor, the two-way switching controls module of on/off switch, capacitance voltage isolation detection module, on/off switch capacitance charging module and power switch tube drives module, wherein, the input of microprocessor connects the output of capacitance voltage isolation detection module, the output of microprocessor connects the input of power switch tube drives module, the output of power switch tube drives module connects respectively on/off switch capacitance charging module and the two-way switching controls module of on/off switch, simultaneously, the on/off switch capacitance charging module is connected with capacitance voltage isolation detection module, the two-way switching controls module of on/off switch respectively, and supply module is connected with each module respectively, is its power supply, capacitance voltage isolation detection module comprises the first photoelectricity isolation linear amplifier (U1) and the second photoelectricity isolation linear amplifier (U2), it is characterized in that: the two-way switching controls module of on/off switch comprises following annexation: an end of the first fuse (FU1) is connected with an end of supply module, one end of the interchange input of the other end of the first fuse (FU1), the first electric capacity (C1) end, the first rectifier bridge (D0) is connected, the other end of the interchange input of the other end of supply module, the first electric capacity (C1) other end, the first rectifier bridge (D0) is connected, the negative electrode of the collector electrode of the negative electrode of the collector electrode of the positive pole of the first rectifier bridge (D0), the 9th power switch pipe (Q9), the 9th diode (D9), the tenth power switch pipe (Q10), the tenth diode (D10) is connected, the negative pole of the first rectifier bridge (D0), the first resistance (R1) end, the negative pole of combined floodgate electrochemical capacitor (C2), the anode of the 5th diode (D5), the 5th power switch pipe (Q5) emitter, the anode of the 7th diode (D7), the 7th power switch pipe (Q7) emitter, the second resistance (R2) other end, the negative pole of separating brake electrochemical capacitor (C3), the anode of the 4th diode (D4), the 4th power switch pipe (Q4) emitter, the anode of the second diode (D2), the second power switch pipe (Q2) emitter is connected, the negative electrode of the negative electrode of the emitter of the 9th diode (D9) anode, the 9th power switch pipe (Q9), an end of the 6th resistance (R6), the 6th diode (D6), the collector electrode of the 6th power switch pipe (Q6), the 8th diode (D8), the collector electrode of the 8th power switch pipe (Q8) are connected, the negative electrode of the negative electrode of the emitter of the tenth diode (D10) anode, the tenth power switch pipe (Q10), an end of the 3rd resistance (R3), the first diode (D1), the collector electrode of the first power switch pipe (Q1), the 3rd diode (D3), the collector electrode of the 3rd power switch pipe (Q3) are connected, the sampling input anode of the first photoelectricity isolation linear amplifier (U1) of the first resistance (R1) other end, the 4th resistance (R4) end, capacitance voltage isolation detection module is connected, the 4th resistance (R4) other end, combined floodgate electrochemical capacitor (C2) positive pole, the 3rd resistance (R3) other end are connected, the sampling input anode of the second photoelectricity isolation linear amplifier (U2) of the second resistance (R2) other end, the 5th resistance (R5) end, capacitance voltage isolation detection module is connected, the 5th resistance (R5) other end, separating brake electrochemical capacitor (C3) positive pole, the 6th resistance (R6) other end are connected, the first diode (D1) anode, the first power switch pipe (Q1) emitter, the 11 diode (D11) anode are connected, one end of the binding post (JP1) of the 11 diode (D11) negative electrode, the second diode (D2) negative electrode, the second power switch pipe (Q2) collector electrode, switching winding is connected, the 3rd diode (D3) anode, the 3rd power switch pipe (Q3) emitter, the 12 diode (D12) anode are connected, one end of the binding post (JP2) of the 4th diode (D4) negative electrode, the 12 diode (D12) negative electrode, the 4th power switch pipe (Q4) collector electrode, closing coil is connected, the 14 diode (D14) anode, the 8th diode (D8) anode, the 8th power switch pipe (Q8) emitter are connected, the other end of the binding post (JP2) of the 14 diode (D14) negative electrode, the 7th diode (D7) negative electrode, the 7th power switch pipe (Q7) collector electrode, closing coil is connected, the 13 diode (D13) anode, the 6th diode (D6) anode, the 6th power switch pipe (Q6) emitter are connected, the other end of the binding post (JP1) of the 13 diode (D13) negative electrode, the 5th diode (D5) negative electrode, the 5th power switch pipe (Q5) collector electrode, switching winding is connected, the gate pole of the first power switch pipe (Q1), the second power switch pipe (Q2), the 3rd power switch pipe (Q3), the 4th power switch pipe (Q4), the 5th power switch pipe (Q5), the 6th power switch pipe (Q6), the 7th power switch pipe (Q7), the 8th power switch pipe (Q8), the 9th power switch pipe (Q9), the tenth power switch pipe (Q10) is respectively by the power switch tube drives module controls.
According to claim 1 twin coil bistable permanent magnetic contactor take over seamlessly control device, it is characterized in that: also comprise anti-shake electric power supply circuits module, anti-shake electric power supply circuits module comprises the four tunnel operating voltage, and described supply module is connected with described microprocessor, power switch tube drives module through anti-shake electric power supply circuits module; Described capacitance voltage isolation detection module comprises combined floodgate capacitance voltage isolation detection module and separating brake capacitance voltage isolation detection module, and described supply module comprises the second tunnel operating voltage; Wherein, combined floodgate capacitance voltage isolation detection module comprises following annexation: in an end of the 4th electric capacity (C4), supply module, the first operating voltage positive terminal of the positive pole of the second tunnel operating voltage, the first photoelectricity isolation linear amplifier (U1) is connected; In the two-way switching controls module of described on/off switch, an end of the contact of the first resistance (R1) and the 4th resistance (R4), the 5th electric capacity (C5) is connected with the sampling input anode of the first photoelectricity isolation linear amplifier (U1); Be connected to the second tunnel operating voltage in the other end of the sampling input negative terminal of the first photoelectricity isolation linear amplifier (U1) and its first operating voltage ground end, the 5th electric capacity (C5), the other end of the 4th electric capacity (C4) and supply module; In one end of one end of the 7th resistance (R7), the 6th electric capacity (C6), the 7th electric capacity (C7) end, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the first photoelectricity isolation linear amplifier (U1) is connected; One end of the other end of the 6th electric capacity (C6), the 7th resistance (R7) other end, the 8th resistance (R8) is connected with the reference voltage input terminal of the first photoelectricity isolation linear amplifier (U1); One end of the first inductance (L1) connects the voltage output end of the first photoelectricity isolation linear amplifier (U1), and the first inductance (L1) other end, the 7th electric capacity (C7) other end are connected with microprocessor; In the 8th resistance (R8) other end, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the first photoelectricity isolation linear amplifier (U1) is connected; Separating brake capacitance voltage isolation detection module connects identical with combined floodgate capacitance voltage isolation detection module.
According to claim 2 twin coil bistable permanent magnetic contactor take over seamlessly control device, it is characterized in that: described supply module also comprises first via operating voltage; Wherein, anti-shake electric power supply circuits module comprises the anti-shake electric power supply circuits of microprocessor, the anti-shake electric power supply circuits of the second power switch pipe, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe, and the annexation of the anti-shake electric power supply circuits of microprocessor is as follows: the anode of the 18 diode (D18) connects the positive pole of first via operating voltage in supply module; The 18 diode (D18) negative electrode, the 20 farad capacitor (C20) positive pole, the 21 farad capacitor (C21) positive pole, the 22 farad capacitor (C22) positive pole, the 23 electrochemical capacitor (C23) input service voltage end anodal, forward low dropout voltage regulator (U5) are connected, as the positive pole of the four tunnel operating voltage in anti-shake electric power supply circuits module; The common of the 20 farad capacitor (C20) negative pole, the 21 farad capacitor (C21) negative pole, the 22 farad capacitor (C22) negative pole, the 23 electrochemical capacitor (C23) negative pole, the 24 electrochemical capacitor (C24) negative pole, forward low dropout voltage regulator (U5) is connected, as the four tunnel operating voltage ground in anti-shake electric power supply circuits module; The 24 electrochemical capacitor (C24) is anodal, the output voltage terminal of forward low dropout voltage regulator (U5) is connected with described microprocessor, as microprocessor work voltage; The anti-shake electric power supply circuits of the second power switch pipe connect as follows: the input of the 6th DC-DC module (P6) connects the second tunnel operating voltage in supply module; The output head anode of the 6th DC-DC module (P6) connects the 20 diode (D20) anode, the 20 diode (D20) negative electrode, the 29 electrochemical capacitor (C29) positive pole, the 30 electrochemical capacitor (C30) positive pole, the 31 electric capacity (C31) end interconnect, and outputting drive voltage is anodal; The negative pole of output end of the 6th DC-DC module (P6), the 29 electrochemical capacitor (C29) negative pole, the 30 electrochemical capacitor (C30) negative pole, the 31 electric capacity (C31) other end interconnect, and output drives voltage ground, road; The anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the anti-shake electric power supply circuits method of attachment of the second power switch pipe.
According to claim 3 twin coil bistable permanent magnetic contactor take over seamlessly control device, it is characterized in that: also comprise voltage and detection of power loss module, the input of voltage and detection of power loss module is connected with supply module, and output is connected with described microprocessor; Described supply module also comprises the Third Road operating voltage; Voltage and detection of power loss module comprise following annexation: an end of a termination supply module of the second fuse (FU2); The second fuse (FU2) other end, the 16 electric capacity (C16) end, the second rectifier bridge (D15) exchange input one end and are connected; The other end that the 16 electric capacity (C16) other end, the second rectifier bridge (D15) exchange the input other end, supply module is connected; The positive pole of the second rectifier bridge (D15) is connected with the 16 diode (D16) anode; The 16 diode (D16) negative electrode, the 13 resistance (R13) end are connected; The 17 diode (D17), the 14 resistance (R14), the 17 electrochemical capacitor (C17), the 18 electric capacity (C18) parallel connection; An end in parallel, the 13 resistance (R13) other end, the 3rd photoelectricity isolation linear amplifier (U3) sampling input anode, the 13 electric capacity (C13) end are connected; Be connected to the Third Road operating voltage in the sampling input negative terminal of the anode of another in parallel termination photoelectrical coupler (U4), the 3rd photoelectricity isolation linear amplifier (U3) and its first operating voltage ground end, the 13 electric capacity (C13) other end, the 12 electric capacity (C12) end, supply module; The negative electrode of the second rectifier bridge (D15) negative pole, photoelectrical coupler (U4) is connected; In the emitter of photoelectrical coupler (U4) and described anti-shake electric power supply circuits module, the four tunnel operating voltage ground is connected; The collector electrode of photoelectrical coupler (U4), the 15 resistance (R15) end are connected with microprocessor; The other end of the 15 resistance (R15) is connected with forward low dropout voltage regulator (U5) output voltage terminal in described anti-shake electric power supply circuits module; The first operating voltage positive terminal, the 12 electric capacity (C12) other end of the 3rd photoelectricity isolation linear amplifier (U3) are connected with the positive pole of Third Road operating voltage in supply module; In one end of the 11 resistance (R11), an end of the 14 electric capacity (C14), the 15 electric capacity (C15) end, anti-shake electric power supply circuits module, the second operating voltage ground end of the four tunnel operating voltage ground, the 3rd photoelectricity isolation linear amplifier (U3) is connected; The reference voltage input terminal of one termination the 3rd photoelectricity isolation linear amplifier (U3) of the other end of the 14 electric capacity (C14), the 11 resistance (R11) other end, the 12 resistance (R12); The voltage output end of one termination the 3rd photoelectricity isolation linear amplifier (U3) of the 3rd inductance (L3); The 3rd inductance (L3) other end, the 15 electric capacity (C15) other end are connected with microprocessor; In the 12 resistance (R12) other end, anti-shake electric power supply circuits module, the second operating voltage positive terminal of the positive pole of the four tunnel operating voltage, the 3rd photoelectricity isolation linear amplifier (U3) is connected.
according to claim 1 to 4 the described twin coil bistable permanent magnetic of any one contactor take over seamlessly control device, it is characterized in that: described supply module comprises alternating current conveyer and the first rectification circuit module that is connected with the alternating current conveyer respectively, the second rectification circuit module and power-supplying circuit module; The power-supplying circuit module comprises that interchange turns DC Module; Wherein, the alternating current conveyer is connected with described voltage and detection of power loss module through the first rectification circuit module; The alternating current conveyer is connected with described anti-shake electric power supply circuits module, power switch tube drives module respectively through the power-supplying circuit module; The alternating current conveyer is connected with described on/off switch capacitance charging module through the second rectification circuit module.
According to claim 1 twin coil bistable permanent magnetic contactor take over seamlessly control device, it is characterized in that: also comprise the input equipment and the output equipment that are connected with described microprocessor.
7. the control method that takes over seamlessly control device based on the described twin coil bistable permanent magnetic of any one in claim 1 to 6 contactor, comprise combined floodgate control method and separating brake control method, comprises the steps:

Step 1. is connected supply module, the voltage swing of electrochemical capacitor (C2) and separating brake electrochemical capacitor (C3) that closes a floodgate in the two-way switching controls module of capacitance voltage isolation detection module Real-time Collection on/off switch, and feed back to microprocessor after comparing with the electric capacity load voltage value;

Simultaneously, microprocessor is according to combined floodgate electrochemical capacitor (C2) and the voltage of separating brake electrochemical capacitor (C3) and the comparative result of load voltage value, employing two-way pwm pulse signal driving power switching tube driver module control on/off switch capacitance charging module is respectively combined floodgate electrochemical capacitor (C2) and separating brake electrochemical capacitor (C3) charges;

It is characterized in that, after described step 1, combined floodgate control method and separating brake control method comprise the steps: respectively

The combined floodgate control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels combined floodgate electrochemical capacitor (C2) to the discharge of closing coil forward, simultaneously to the switching winding back discharge;

When step 3. moves to the critical localisation of combined floodgate when the moving iron core of twin coil bistable permanent magnetic contactor, the discharge of electrochemical capacitor (C2) stops closing a floodgate, under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously separating brake electrochemical capacitor (C3) to the discharge of switching winding forward, to the closing coil back discharge, complete closing operation;

The separating brake control method comprises the steps:

The pwm pulse signal driving power switching tube driver module that step 2. microprocessor adopts two-way to process impels separating brake electrochemical capacitor (C3) to the discharge of switching winding forward, simultaneously to the closing coil back discharge;

When step 3. moves to the critical localisation of separating brake when the moving iron core of twin coil bistable permanent magnetic contactor, stop the discharge of separating brake electrochemical capacitor (C3), under the effect of the pwm pulse signal driving power switching tube driver module that microprocessor employing two-way was processed, switch simultaneously combined floodgate electrochemical capacitor (C2) to the discharge of closing coil forward, to the switching winding back discharge, complete sub-switching operation.
8. a kind of control method that takes over seamlessly control device of twin coil bistable permanent magnetic contactor according to claim 7, is characterized in that: also comprise anti-shake electric control method, comprise the steps:

Steps A. after twin coil bistable permanent magnetic contactor is realized normal the combined floodgate, when the rolling electricity occurs in power supply, the 20 farad capacitor (C20) that is connected in parallel in anti-shake electric power supply circuits module, the 21 farad capacitor (C21), the 22 farad capacitor (C22) discharge, and through forward low dropout voltage regulator (U5) voltage stabilizing, the four tunnel operating voltage of keeping in microprocessor and anti-shake electric power supply circuits module is normal;

In the anti-shake electric power supply circuits of step B. the second power switch pipe, the 29 electrochemical capacitor (C29) that is connected in parallel, the 30 electrochemical capacitor (C30) discharge, wait for microprocessor driven power switch tube drives module controls the second power switch pipe (Q2) conducting, all the other, the anti-shake electric power supply circuits of the 4th power switch pipe, the anti-shake electric power supply circuits of the 6th power switch pipe, the anti-shake electric power supply circuits of the 8th power switch pipe are identical with the operation of the second anti-shake electric power supply circuits of power switch pipe.