CN2316751Y

CN2316751Y - Universal low-voltage air circuit beaker intelligent controller

Info

Publication number: CN2316751Y
Application number: CN 97238554
Authority: CN
Inventors: 郭龙云
Original assignee: HUNAN PROVINCE INSTITUTE OF COMPUTING TECHNOLOGY
Current assignee: HUNAN PROVINCE INSTITUTE OF COMPUTING TECHNOLOGY
Priority date: 1997-07-18
Filing date: 1997-07-18
Publication date: 1999-04-28
Anticipated expiration: 2007-07-18

Abstract

The utility model relates to a breaker intelligent controller which crosses the strong electricity and the weak electricity, and is respectively connected with an AC input end and an AC output end, and then is connected with a breaker. The utility model is composed of a preview protective circuit, a phase lacking protective circuit, a voltage shortage protective circuit, an excess voltage protective circuit, an excess current protective circuit, a short protective circuit, a phase interruption protective circuit, an electrical leakage display circuit, a control gate, a turning on-off performance element, wherein the control gate is taken as a controlling and connecting center; each protective circuit is sampled and processed by signals, and then, the control gate controls the turning on-off performance element to realize an intelligent turning on-off control of the breaker. The utility model has the advantages of complete functions, superior performance, reliable running and low cost and simple operation, and is capable of being set and debugged automatically.

Description

The empty system of low pressure all-purpose air breaker intelligence device

The utility model relates to a kind of circuit breaker Based Intelligent Control and protective device of striding forceful electric power and light current.

At present domestic low pressure all-purpose air breaker such as DW15, DW16, DW17 series are still traditional electromagnetic type, thermoelectric (al) type, mechanical type, and insufficiency only has functions such as overcurrent, short circuit, under-voltage protection, and current calibration and debugging difficulty are big, and accuracy is low.Though have intellectual circuit breaker to emerge abroad, the cost height costs an arm and a leg.Still state has listed the intellectuality of circuit breaker in the special plan of national Ninth Five-Year Plan low-voltage electrical apparatus.

The purpose of this utility model be to provide a kind of multiple functional, superior performance, reliable, cost is low, simple to operate and can be by user's low pressure all-purpose air breaker intelligence controlling device of debugging of adjusting voluntarily.

Technical solutions of the utility model are: it connects ac input end and output respectively and links with circuit breaker, it is by the fault pretest protective circuit, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, the electric leakage display circuit, control gate, the switching performance element constitutes, also be connected with DC-stabilized circuit at ac input end and think that other each circuit provides working power, fault pretest protective circuit wherein, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar is connected in respectively between ac input end and the control gate, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, the electric leakage display circuit then is connected between ac output end and the control gate; Open and close performance element and connect control gate and contact of breaker and controlled gate control respectively, the sampled data of each protective circuit is carried out analyzing and processing to control gate and control opens and closes performance element, realizes the closed and disconnected of circuit breaker.

Switching performance element in the utility model by the energy storage motor control circuit, releasing can control circuit for electromagnet, release control circuit and open and close actuator and form, wherein energy storage motor control circuit and release control circuit all link and controlled gate control with control gate, releasing energy control circuit for electromagnet and energy storage motor control circuit links, opening and closing actuator respectively can control circuit for electromagnet with releasing of its closure of may command, the release control circuit and the contact of breaker of its disconnection of may command link, and opening and closing actuator is mechanical switching final controlling element.The energy storage motor control circuit, releasing can control circuit for electromagnet, all adopt solid-state relay as control element in the release control circuit.Like this, breaker closing is by solid-state relay control energy storage motor and release can electromagnet to move and finish, and circuit breaker disconnects then being moved by solid-state relay control release to be finished, and the control of the controlled door of solid-state relay; The function of control gate is data analysis and sends control signal, it is controlled by fault pretest protective circuit, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, and above-mentioned protective circuit all comprises corresponding sample circuit; The electric leakage display circuit has only detection of electrical leakage and Presentation Function, is not communicated with control gate.

The utility model also comprises the sound light alarming circuit that links, is used for fault alarm with control gate.

Between fault pretest protective circuit, short-circuit protection circuit, open-phase protection circuit and control gate, be connected be used for fault take place the back keep circuit breaker be off-state lock-in circuit, be used for the reset circuit of restore circuit normal operating conditions; one reset button is arranged in the reset circuit, press the then corresponding circuit of this button state that unlocks.

The utility model comprises that also one can be disconnected or closed open and close controlling circuit by artificial directly control circuit breaker, this open and close controlling circuit links to each other with control gate and comprises cut-off push button and close push button, think in case of necessity operating personnel, press then circuit breaker disconnection of cut-off push button, the operation stored energy mechanism is also pressed close push button, then breaker closing.

Further specify the utility model below in conjunction with accompanying drawing.

Fig. 1 is a functional-block diagram of the present utility model;

Fig. 2 is an electrical schematic diagram of the present utility model.

Reflect theory structure of the present utility model as shown in Figure 1.In the utility model, closed and the disconnection of the major loop of circuit breaker, opening and closing performance element by control gate control finishes, and the input control signal of control gate is respectively from fault pretest protective circuit, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, and the sampled signal of above-mentioned protective circuit is taken from the input and the load end of major loop respectively; Fault pretest protective circuit wherein, short-circuit protection circuit, open-phase protection circuit have lock-in circuit and reset circuit again, as long as fault is not got rid of then and can not be resetted, circuit breaker can not be closed, and this fault locking can guarantee the person and device security; In case and ac input end generation phase shortage, under-voltage, overvoltage phenomenon or when fault pretest, find fault, or in AC load end generation overcurrent, short circuit, phase failure phenomenon, then corresponding protection circuit is sent control signal to control gate, opens and closes the performance element cut-off breaker by the gate control of sky system; Then only show when electric leakage takes place output, do not cut off major loop.Recovered just often when the over-current phenomenon avoidance of the phase shortage of input, under-voltage, overvoltage phenomenon or output, pressed the close push button in the open and close controlling circuit, opened and closed performance element with breaker closing by control gate control; And when input find fault by the fault pretest protective circuit or output is short-circuited, during phase failure phenomenon, control gate control opens and closes performance element and circuit breaker is disconnected and is locked by lock-in circuit.

As shown in Figure 2, QF is a contact of breaker, control release TK, energy storage motor MD, release can electromagnet TS three solid-state relays be respectively IC75, IC76, IC77, and IC75, IC76, IC77 are by control gate and timing circuit control and provide and exchange 380V or the 220V power supply is finished.

Control gate just is made up of with door IC39, IC68 etc. eight input nand gate IC23, not gate IC26, two input nand gate IC27,2 three inputs.IC39 has only when three tunnel inputs are " 1 " (being fault-free) for three tunnel inputs of short-circuit protection circuit provide control channel, and IC39 output just is " 1 "; IC68 provides control channel for three tunnel outputs of long delay current foldback circuit, and the output of IC23 is delivered in its output; When 8 inputs of IC23 are " 1 " (fault-free this moment), its output just is " 0 ".Control gate mainly is to receive the control signal of each protective circuit after sampling and processing, opens and closes performance element by control and realizes circuit breaker switching is controlled.

After the utility model start, the DC-stabilized circuit of formations such as control transformer KB and 3 three terminal regulator IC1, IC2, IC3 provides stabilized voltage power supply for the utility model, wherein IC2 provides the high frequency signal generator power supply, and IC3 provides electric leakage display circuit power supply.When fault pretest protective circuit preliminary examination fault-free of the present utility model, the input of eight input nand gate IC23 is " 1 ", its output then is " 0 ", through not gate IC26 paraphase be 1 and deliver to three inputs just with 11 pin of door IC69, because of the 9th, 10 pin of IC69 are " 1 ", make its output pin 8 be " 1 ", after band OC gate inverter IC70 paraphase to the negative pole of IC75 input, the IC75 conducting, release TK gets, electromagnetic actuation makes circuit breaker be in closeable mechanical location; " 0 " signal of IC23 output is " 1 " through inverter ic 26 paraphase, delivers to 1 pin of two input nand gate IC27.Power supply indicator DYD is bright in the start back.

The output pin 5 start backs of double D trigger IC29 in the open and close controlling circuit are " 0 ", deliver to 2 pin of IC27, and 3 pin that make IC29 are " 0 " for " 1 " through not gate IC28 paraphase, and it is bright to disconnect indicator light DKD.When pressing close push button YA1,5 pin of IC29 are output as " 1 ", to 2 pin of IC27, make 3 pin of IC27 be output as " 0 ", this signal is delivered to 1 pin of two one-shot multivibrator IC71 that can heavily trigger, then its 13 pin is exported square-wave pulse, through inverter ic 72 anti-phase outputs, deliver to IC76 control end negative pole, the IC76 conducting, energy storage motor MD gets electric, finishes spring energy-storage in about 1.5 seconds; The negative jumping signal of the square-wave pulse of 13 pin of IC71 is delivered to 1 pin of IC73 (same IC71), the 9 pin output square-wave pulse of IC73 is to IC74 (same IC70), the 8 pin outputs " 0 " of IC74 are to the negative pole of IC77, the IC77 conducting, release and to get by electromagnet TS winding, finish contact of breaker QF closure, closed indicator light BHD is bright, disconnects indicator light DKD and goes out.

Press the cut-off push button YA2 of open and close controlling circuit, then 1 pin of IC29 is " 0 ", delivers to 4 pin of IC69 through diode D23, make IC69 be output as " 0 ", IC70 is output as " 1 ", to the control end negative pole of IC75, IC75 ends, and release TK dead electricity is threaded off, and contact of breaker QF disconnects.

Open-phase protection circuit is made up of photoelectrical coupler IC5, IC6 (same IC71), resistance R 2, R3, R4, R5, R6, capacitor C 13, diode D14, luminous tube QXD etc., and the primary side of IC5 links to each other with input A, B through R2, D14; When phase shortage occurring, the primary side no current of IC5 flows through, and secondary side 5 pin are output as " 1 ", and IC6 output becomes " 0 " by " 1 ", and QXD is bright for the phase shortage indicator light, makes IC23 output become " 1 " by " 0 ", the IC75 dead electricity, and release TK threads off, and circuit breaker is disconnected.

Under-voltage protecting circuit is made up of voltage comparator ic 7, IC8 (same IC71), not gate IC9 and IC10, R14, C15, diode D15 etc.Input voltage is input IC7 negative terminal after D5, R9, R10 sampling, and imports the IC7 anode by the reference voltage that R16, R17 dividing potential drop obtain; When voltage just often, the IC7 output signal is delivered to IC8 and is made it be output as " 1 ", through IC9 and IC10, then IC10 is output as " 1 ", and inputs to IC23; When input voltage is reduced to 85%V _HWhen following, the peak value of the sampled signal of under-voltage protecting circuit is lower than reference voltage, and under-voltage indicator light QYD is bright, and IC7 exports " 1 "; IC8 exports " 0 ", delays time through 3 seconds to IC10 output to become " 0 ", inputs to IC23 and causes the circuit upset; the IC75 dead electricity, release TK threads off, and circuit breaker disconnects.IC23 output is delivered to IC24 (same IC70) by the positive transition that " 0 " becomes " 1 ", and the losing side wave impulse of IC24 output is exported positive square-wave pulse after delivering to IC25 (same IC70) paraphase, and its pulsewidth is 20 seconds, makes triode 5551 conductings, and buzzer is rung and reported to the police in 20 seconds.If input voltage recovers normal in 3 seconds, then IC8 output makes the instantaneous recovery of IC9 input be " 1 " by " 0 " change " 1 " through D15, and IC10 is output as " 1 ", and circuit breaker does not disconnect.

Overvoltage crowbar is made of voltage comparator ic 11, IC12 (same IC71), inverter ic 13 and IC14, R21, C17 and D16, input voltage is input IC11 negative terminal after D5, R7, R8 sampling, imports the IC11 anode by the reference voltage that R16, R17 dividing potential drop obtain; Input voltage just often, the sampled signal peak value is lower than reference voltage, IC12 is delivered in IC11 output " 1 ", IC12 and IC14 export " 1 "; When the input voltage height to 110%V _HWhen above, the sampled signal peak value is higher than reference voltage, IC12 is delivered in the pulse of IC11 output, make IC12 output " 0 ", after R21, C17 time-delay, deliver to IC13, then IC14 output " 0 ", deliver to IC69 and make it output " 0 " through IC26 again, cause IC75 to end, release TK dead electricity is threaded off, and circuit breaker disconnects.GYD is bright for overvoltage this moment indicator light.Recover normal as input voltage in 3 seconds, then IC12 output becomes " 1 ", makes the instantaneous recovery of IC13 input be " 1 " through D16; IC14 is output as " 1 ", and then lamp GYD goes out, and circuit breaker does not disconnect.

Above-mentioned three kinds of protective circuits can work the preliminary examination effect of starting shooting in the utility model start back, circuit breaker before not closed, and principle as mentioned above.After phase shortage, under-voltage, overvoltage fault occurred, output " 0 " was to IC23 and make it output " 1 ", and then IC75 ends, the release dead electricity, and circuit breaker can not be closed, played the preliminary examination protective effect.

Short-circuit protection circuit by circuit breaker not closed before behind short circuit preliminary examination circuit and the breaker closing short-circuit protection circuit two parts constitute.Short circuit high frequency preliminary examination circuit wherein is made of schmitt trigger IC34 and IC35, photoelectrical coupler IC36, double D trigger IC37, two input nand gate IC38, C25, C26, C27, C28, C29, R41, R55, R56, inductance L, D27, DW4, C30, C21.After the utility model start, when circuit breaker is still not closed, when if circuit breaker load end A ' occurs short circuit to C ', B ' to C ', the high-frequency signal that is produced by IC34, R55, C28 is through IC37 primary side and D27, again through C25, C26, C27, C29 to A ', B ', C ' formation loop, the IC36 primary side has high-frequency current to flow through, the negative spike of 5 pin output of IC36 is to IC37, make the IC37 output switching activity be " 1 ", deliver to IC38, IC38 exports " 0 ", and IC39 exports " 0 ", IC23 exports " 1 ", IC75 is ended, release TK dead electricity, circuit breaker can not be closed.Because between A ' .B ' is in high frequency short circuit (C26, C27 high frequency short circuit) state, so between A ' and B ' short circuit preliminary examination circuit is made of control transformer KB secondary winding MN, photoelectrical coupler IC40, voltage comparator ic 41, two input nand gate IC42, double D trigger IC43, not gate IC44 and R57, R58, R59, R60, R41, C21, C31, D26.When between output terminals A ' B ' short circuit, MN has one electric current to flow through the primary side of IC40 after R57 and D26 rectification, make the secondary side conducting of IC40, when its 4 pin voltage is higher than by the given reference voltage of R59, R60 dividing potential drop, the 1 pin output " 1 " of IC40 is to IC42, and then IC42 output " 0 ", IC43 output " 1 ", IC44 output " 0 ", IC39 output " 0 ", IC23 export " 1 ", and IC75 is ended, the release dead electricity, circuit breaker can not be closed.After IC37 and IC43 output switching activity are " 1 ", the circuit locking, short trouble is not got rid of, and by reset button YA3, then IC37 and IC43 output " 1 " is constant, and circuit breaker can not be closed; Short trouble can reset by YA3 after getting rid of, and IC37 and IC43 output become " 0 " by " 1 ", and circuit breaker can be closed.Behind the breaker closing, short-circuit protection circuit is made of voltage comparator ic 30, IC31, IC32, double D trigger IC33 and R41, R52, R53, RW1, C21.When the load end short circuit, short circuit current is coupled to small-sized instrument transformer LH1, LH2, LH3 through instrument transformer TA1, TA2, TA3, through rectification and voltage division positive pulse signal is delivered to the negative terminal of IC30, IC31, IC32 again, the reference voltage that is provided by R52, R53, RW1 dividing potential drop is provided its waveform peak, IC30, IC31, IC32 output become pulse signal by " 1 ", deliver to IC33 and make it be output as " 0 ", and making its output to IC39 more also is " 0 ", cause the release dead electricity, circuit breaker disconnects.The IC33 output switching activity is " 0 ", and circuit locks, and after resetting by YA3, circuit breaker can be closed.Behind the breaker closing, the output of IC38 and IC42 is " 1 ", and short circuit preliminary examination circuit is ineffective this moment.

Open-phase protection circuit is made up of two one-shot multivibrator IC15, IC16, IC17, two four input nand gate IC18 and IC20, double D trigger IC19 and IC21, R29～R43, D22～D25, C18～C21, DW2, DW3, DW4, phase failure indicator light DXD etc.Before start back and circuit breaker were not closed, IC19 output 5 pin were " 0 ", made 8 pin of IC20 be " 1 ", and circuit breaker can be closed.Behind the breaker closing, load current is coupled to LH1, LH2, LH3 through TA1, TA2, TA3, makes its electric current become a milliampere level, and the positive pulse that produces behind D22, R28 is delivered to 10 pin of IC15, makes 5 pin of IC15 become " 1 " (high level continuously) by " 0 "; All the other two-way are as the same, so the input of IC18 is " 1 ", 8 pin of IC18 are output as " 0 ", and deliver to 12 pin of IC20, make 8 pin of IC20 be output as " 1 ", again to 10 pin of IC21, and IC21 is output as " 0 " after start, after the IC22 paraphase, export " 1 ", deliver to 5 pin of IC23, then the circuit breaker normal operation input.After guaranteeing the utility model start, circuit breaker is normally closed when fault-free, so IC19 is set, 5 pin of IC19 are output as " 0 " when start, make 8 pin of IC20 be output as " 1 "; Behind the breaker closing, load end A ', B ', C ' three-phase current make

input

1,2,4,5 pin of IC18 be " 1 " through instrument transformer, and 6 pin of IC18 are output as " 0 ", again to 12 pin of IC20; " 0 " of the 6 pin output of IC18 is delivered to 4 pin of IC19 simultaneously again, makes the 5 pin output switching activities of IC19 be " 1 ", and delivers to 13 pin of IC20; 9 and the 10 pin level of IC20 are fashionable at circuit breaker closing to be " 1 ".When the disconnected arbitrary phase time of load end three-phase, 10 pin of former input IC15 (or 2 pin of IC16,10 pin of IC17) positive pulse becomes " 0 ", make 5 pin (or 13 pin of IC16 of IC15,5 pin of IC17) be output as " 0 ", deliver to again IC18 1 pin (or IC18 2,4,5 pin), make the 6 pin outputs " 1 " of IC18, and deliver to 12 pin of IC20, and make the 8 pin outputs " 0 " of IC20, deliver to 10 pin of IC21 again, after the IC22 paraphase, its 2 pin is exported " 0 ", delivers to 5 pin of IC23, makes the 8 pin outputs " 1 " of IC23, cause IC75 to end, the release dead electricity is threaded off, and circuit breaker disconnects, and DXD is bright for phase failure indicator light.

Current foldback circuit possesses delay function, and according to GB-14048.2-94 and Q/OKJY001-1997 standard, the time-delay of this circuit is divided into third gear: promptly 15 minutes, 3 minutes, 10 seconds.The current foldback circuit of delaying time 15 fens is made of voltage comparator ic 53, IC54, IC55, IC57, two one-shot multivibrator IC56, R74, R90, R91, R96, R99～R104, RW3, C35, C36 etc.; When circuit breaker normally moves, the half-wave sinusoidal that obtains by R74, R75 dividing potential drop through transformer induced electric current by load end A ' or B ', C ' load current, deliver to the negative terminal of IC53 through R76, this signal peak is lower than the reference voltage of the anode of IC53, so the IC53 output is exported " 1 ", delivers to 9 pin of IC56, then 5 pin of IC56 are output as " 0 ", deliver to the negative terminal of IC57, because of far below its anode reference voltage, so IC57 output output " 1 "; As previously mentioned, circuit breaker can normally move.The IC54 of all the other two-way, IC55 principle are identical.When 1.25I appears in A ', B ' or C ' _HDuring overcurrent, the half-wave sinusoidal peak value that is input to 4 pin of IC53 will be higher than the reference voltage of 5 pin, so the 2 pin output pulse signals of IC53 are delivered to 9 pin of IC56, make the 5 pin outputs " 1 " of IC56, charge to C38 through R101; The positive pole of C38 links to each other with the negative terminal of IC57, through about 15 minutes, when the negative terminal voltage of IC57 rose to the anode reference voltage value of IC57,13 pin of IC57 turned over and are " 0 ", deliver to 3 pin of IC68, make output 6 pin of IC68 be " 0 ", deliver to 11 pin of IC23, the 8 pin outputs " 1 " of IC23 cause IC75 to end, the release dead electricity is threaded off, and circuit breaker disconnects; GLD is bright for the overcurrent indicator light.The IC54 of all the other two-way, IC55 principle are identical.The function that this time-delay control circuit breaker of current foldback circuit disconnects, mainly be for fear of moment overcurrent cause circuit breaker to disconnect, the time length of time-delay can be come calmly as the case may be by the user.

The current foldback circuit of delaying time 3 minutes is made up of IC58, IC59, IC60, IC61, IC62 etc.; The current foldback circuit of delaying time for 11 seconds is made up of IC63, IC64, IC65, IC66, IC67 etc.Other has short time delay (0.2 second) current foldback circuit to be made up of IC47, IC48, IC49, IC50, IC51, IC52 etc., and as can be seen from Figure 2,15 minutes current foldback circuit of above-mentioned three road circuit and time-delay is identical, so do not give unnecessary details.

The electric leakage display circuit is made of voltage comparator ic 45, double D trigger IC46 and D17, D18, R23, R24, R64, R65, R66, R67, R68, C32, electric leakage display lamp LDD and button YA4 etc.When load end A ' or B ', C ' drop to certain value to the casing insulation resistance (about 39 kilo-ohms); D17 between casing and the zero line, the D18 6mA electric current of having an appointment flows through; the negative terminal of its square-wave pulse signal input IC45; its signal peak has met or exceeded reference voltage, so 14 pin of IC45 are exported " 0 ", delivers to 13 pin of IC46; make the 9 pin outputs " 0 " of IC46; LDD is bright for the electric leakage display lamp, and circuit breaker does not disconnect, and waits until the second class protection circuit and carries out the disconnection task.Diode D17, D18 and R23, R24 form the electric leakage sample circuit of circuit breaker.

A.C. contactor DC uses for the user who uses circuit breaker provides auxiliary connection.

In under-voltage protecting circuit, overvoltage crowbar, current foldback circuit, all include comparison circuit and be used for the reference current or the magnitude of voltage of comparison; this fiducial value all can be by the user by adjusting corresponding circuit element parameter; to adjust this fiducial value; as the resistance value of regulating potentiometer RW1, RW2, RW3, RW4 and RW5 among Fig. 2; can carry out current calibration easily, thereby make the utility model more meet user's actual instructions for use.

In sum, the utility model is multiple functional, it comprises numerous intelligentized automatic protection functions such as fault pretest protection, open-phase protection, under-voltage protection, overvoltage protection, overcurrent protection, short-circuit protection, open phase protection, electric leakage demonstration, thereby can guarantee the safety of electricity consumption facility fully; Its superior performance, reliable, every performance index all meet or exceed national standard, and its lock function can guarantee security performance; Its cost is low, and is simple to operate, and can make the utility model be suitable for face width by user's debugging of adjusting voluntarily, has vast market prospect.

Claims

1, a kind of low pressure all-purpose air breaker intelligence controlling device, connect ac input end and output respectively and link with circuit breaker, it is characterized in that it being by the fault pretest protective circuit, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, the electric leakage display circuit, control gate, the switching performance element constitutes, also be connected with DC-stabilized circuit at ac input end and think that other each circuit provides working power, fault pretest protective circuit wherein, open-phase protection circuit, under-voltage protecting circuit, overvoltage crowbar is connected in ac input end respectively and control gate is together, current foldback circuit, short-circuit protection circuit, open-phase protection circuit, the electric leakage display circuit of realizing detection of electrical leakage and demonstration then is connected between ac output end and the control gate; Open and close performance element and connect control gate and contact of breaker and controlled gate control respectively, the sampled data of each protective circuit is carried out analyzing and processing to control gate and control opens and closes performance element, realizes the closed and disconnected of circuit breaker.

2, low pressure all-purpose air breaker intelligence controlling device according to claim 1, it is characterized in that opening and closing performance element by the energy storage motor control circuit, release the energy control circuit for electromagnet, release control circuit and switching actuator form, wherein energy storage motor control circuit and release control circuit all link and controlled gate control with control gate, releasing energy control circuit for electromagnet and energy storage motor control circuit links, opening and closing actuator respectively can control circuit for electromagnet with releasing of its closure of may command, the release control circuit and the contact of breaker of its disconnection of may command link, and opening and closing actuator is mechanical switching final controlling element.

3, low pressure all-purpose air breaker intelligence controlling device according to claim 2 is characterized in that the energy storage motor control circuit, releases in energy control circuit for electromagnet, the release control circuit and all adopt solid-state relay as control element.

4, low pressure all-purpose air breaker intelligence controlling device according to claim 1 is characterized in that also comprising the sound light alarming circuit that links, is used for fault alarm with control gate.

5, low pressure all-purpose air breaker intelligence controlling device according to claim 1; it is characterized in that between fault pretest protective circuit, short-circuit protection circuit, open-phase protection circuit and control gate, being connected be used for fault take place the back keep circuit breaker be off-state lock-in circuit, be used for the reset circuit of restore circuit normal operating conditions, comprise a reset button in the reset circuit.

6, low pressure all-purpose air breaker intelligence controlling device according to claim 1, it is characterized in that also comprising that one can be disconnected or closed open and close controlling circuit by artificial directly control circuit breaker, this open and close controlling circuit links to each other with control gate and comprises cut-off push button and close push button.