CN201031106Y - Hoisting electromagnet solid-state controller - Google Patents

Hoisting electromagnet solid-state controller Download PDF

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Publication number
CN201031106Y
CN201031106Y CNU2007200207708U CN200720020770U CN201031106Y CN 201031106 Y CN201031106 Y CN 201031106Y CN U2007200207708 U CNU2007200207708 U CN U2007200207708U CN 200720020770 U CN200720020770 U CN 200720020770U CN 201031106 Y CN201031106 Y CN 201031106Y
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gtr
power transistor
switch
termination
solid
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Expired - Fee Related
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CNU2007200207708U
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Chinese (zh)
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倪桂龙
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Individual
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Individual
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Abstract

The utility model relates to a solid controller for a lifting electromagnet, which adopts an electronic module as a control element of the main circuit and has no need of maintenance. The utility model comprises a switch connected with an alternating current power, a rectifier module, a logical module, a switch connected with the rectifier module, the logical module and the accumulator, a master switch, and a time relay. The utility model is characterized in that a forward diode is connected in series between two magnet coils, both ends of each magnet coil is connected in series with a diode D and then is connected in parallel with a switch circuit composed of electric transistors, and the control end and the collecting electrode of the electric transistor are connected with a control contact point of the time relay. The utility model adopts an electronic module as a control element of the main circuit, thereby having the advantages of simple structure, little connection, light weight, non spark in electricity switching, safe operation, convenient operation, and no need of maintenance.

Description

The lifting electromagnet solid-state controller
Technical field
The utility model relates to a kind of solid-state controller of lifting electromagnet.
Background technology
Lifting electromagnet is the visual plant of iron and steel enterprise's handling steel, and controller is the critical component of lifting electromagnet.The controller of present domestic use all is the contactor control device that adopts contactless switch to form, and there is following problem in it:
1, volume is big, Heavy Weight, complex structure;
2, contactor control, fault rate height, poor reliability, maintenance difficult;
3, voltage list current control mode such as employing does not match electromagnet power consumption height with the magnetic circuit characteristic of the lifting electromagnet of being controlled, efficient is low, temperature rise is big, poor heat stability, the hot load-carrying ability of cold conditions differs 30%, the hot steel accident of falling often takes place, poor stability.
Summary of the invention
The utility model is at the deficiency of prior art, and a kind of employing electric power electronic module circuit controling element of deciding is provided, and is simple in structure, connect and lack, in light weight, the current switching no spark, safe in utilization, easy to operate, do not need the lifting electromagnet solid-state controller of maintaining.
Technical characterictic of the present utility model is to adopt power transistor as on-off element, and the contactor control switch that replaces traditional contactless switch to form is finished the conversion of the series connection/parallel connection of magnet coil.
The solid-state controller of lifting electromagnet of the present utility model, by the switch that connects source of AC, rectification module, logic module, the switch of connection rectification module, logic module and storage battery, control switch, time relay constitutes, it is characterized in that forward-, series diode between two magnet coils, the switch circuit that the two ends parallel connection power transistor of each magnet coil is formed, the control contact of the control end of power transistor and collecting electrode relay turn-on time.
The utility model adopts excitation source, protects the powering mode that the magnetoelectricity flow point is not independently adjusted, big current excitation, little electric current is protected magnetic, make lifting electromagnet no matter under which kind of service conditions, can both obtain the optimal excitation electric current and protect magnetoelectricity stream, make lifting electromagnet remain that energy consumption is minimum, most effective, safety factor stable, crane output is adjustable continuously.Compare with the old-fashioned controller that waits voltage list current control mode, the operation power consumption of electromagnet descends 50%, and temperature rise descends 30%, and hot load-carrying ability improves 10%.Solved thoroughly that lifting electromagnet is hot to fall steel, the excessive contradiction of can not hanging of cold conditions suction.
The utility model adopts the electric power electronic module circuit controling element of deciding, and is simple in structure, connect few, in light weight, the current switching no spark, safe in utilization, easy to operate, do not need maintaining.Can be used as the circuit controller of twin coil lifting electromagnet, be used to make the technology upgrading transformation of new lifting electromagnet and existing old-fashioned lifting electromagnet.
Description of drawings
Accompanying drawing is schematic circuit diagram of the present utility model.
The specific embodiment
A kind of solid-state controller of lifting electromagnet is by the K switch that connects source of AC 1, rectification module MJYS-ZL, logic module MDK and power transistor GTR 1, the K switch of connection rectification module MJYS-ZL, logic module MDK and storage battery E 2, control switch SA, time relay KS constitutes, and it is characterized in that two magnet coil L 1, L 2Between forward-, series diode D, each magnet coil L 1, L 2Two ends series diode D after parallel connection power transistor GTR 2, GTR 3The switch circuit of forming, power transistor GTR 2, GTR 3Control end B and the control contact of collecting electrode C relay K turn-on time S.
K switch 1Input termination three-phase AC380V power supply, three ac terminals of output termination rectification module MJYS-ZL.
The anode of rectification module MJYS-ZL connects logic module MDK terminal 3, and negative electrode connects K switch 2An input end, K switch 2An input termination power transistor GTR 1Emitter, the negative electrode of output termination DC220V storage battery E, the terminal 2 of another input termination logic module MDK, the anode of another output termination DC220V storage battery E.
Logic module MDK terminal 3 meets power transistor GTR 2Collecting electrode, terminal 1 meets power transistor GTR 1Collecting electrode.
Power transistor GTR 2Emitter connect the negative electrode of diode D, the cathode connection circle L of diode D 1Anode, anode meets power transistor GTR 3Collecting electrode.
Power transistor GTR 3Collecting electrode wiring circle L 2Negative electrode, emitter wiring circle L 1Negative electrode.
Power transistor GTR 1Emitter connect the negative electrode of rectification module MJYS-ZL, collecting electrode wiring circle L 1Negative electrode.
One termination power transistor GTR of the open contact of control switch SA 1The control utmost point, another termination power transistor GTR 1Collecting electrode, a termination K switch 1A phase output terminal of another open contact, the other end is by an end of the KS coil of time relay.
One termination control switch SA of time relay KS coil, another termination K switch 1The B phase output terminal, the termination power transistor GTR of a Time Delay Opening normally closed contact KS 2The control utmost point, another termination power transistor GTR 2Collecting electrode, the termination power transistor GTR of another Time Delay Opening normally closed contact KS 3The control utmost point, another termination power transistor GTR 3Collecting electrode, coil L 2Anode meet power transistor GTR 2Collecting electrode.
The function of each element circuit:
K switch 1, K 2Be power-supply isolation switch, control switch SA is the operating order input switch, and rectification module MJYS-ZL provides DC230V to 514V continuously controllable working power, and DC220V storage battery E provides DC220V standby Bao Cidianyuan;
The mutual conversion of logic module MDK automatic guidance working power and backup power, power transistor GTR 1Form direct current one way switch, control coil L with control switch SA 1, L 2The break-make of electric current;
Time relay KS and control switch SA makeup time circuit, power transistor GTR 2, GTR 3As dc switch, control coil L 1, L 2The time of energising in parallel.
During work, disconnector K closes 1, K 2, controller enters the dead work state, the control switch SA that closes, power transistor GTR 1, GTR 2, GTR 3Conducting simultaneously, coil L 1, L 2Coil L is flow through in energising in parallel 1, L 2Electric current rise by exponential form from zero to maxim, time relay picks up counting, the time in parallel of setting reaches, the Time Delay Opening normally closed contact of time relay is opened, power transistor GTR 2, GTR 3Turn-off coil L 1, L 2By diode D series connection energising;
Coil L 1, L 2In electric current descend by exponential form from maxim to two/maxim, be stabilized in 1/2nd maxims at last;
When rectification module MJYS-ZL output voltage was lower than DC220V, logic module MDK was converted to working power with DC220V storage battery E by backup power, keeps coil L 1, L 2In electric current continuously;
When source of AC cuts off the power supply, the normally closed contact closure of time relay KS, power transistor GTR 2, GTR 3Conducting, coil L 1, L 2By the series connection energising, change energising in parallel into, control switch SA opens, power transistor GTR 1Turn-off.Coil L 1, L 2Discharge by logic module MDK;
Behind the end-of-job, open K switch 1, K 2, controller and power safety are isolated.
The components and parts table is as follows:
Code name   K1   K2   SA   KS   D
Title Breaker Breaker Breaker The time relay Commutation diode
Specifications and models   DZ101-100   DZ101-100   DZ30-32   ST3PA   AC380V   Zp100A-160
Code name   MJYS-ZL   MDK   GTR1   GTR2   GTR3
Title The rectification pipe die is fast The rectification pipe die is fast Power transistor Power transistor Power transistor
Specifications and models   MDS200A-160   MDK200A-160   1DI200A-120   1DI200A-120   1DI200A-120

Claims (9)

1. the solid-state controller of a lifting electromagnet is by the switch (K that connects source of AC 1), rectification module (MJYS-ZL), logic module (MDK) and power transistor (GTR 1), the switch (K of connection rectification module (MJYS-ZL), logic module (MDK) and storage battery (E) 2), control switch (SA), time relay (KS) constitutes, and it is characterized in that two magnet coil (L 1, L 2) between forward-, series diode (D), each magnet coil (L 1, L 2) two ends series diode D after parallel connection power transistor (GTR 2, GTR 3) switch circuit formed, power transistor (GTR 2, GTR 3) control end (B) and the control contact of collecting electrode (C) relay turn-on time (KS).
2. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that described switch (K 1) input termination three-phase AC380V power supply, three ac terminals of output termination rectification module (MJYS-ZL).
3. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that the anode of described rectification module (MJYS-ZL) connects logic module (MDK) terminal 3, and negative electrode meets switch (K 2) an input end, switch (K 2) an input termination power transistor (GTR 1) emitter, output termination DC220V storage battery (E) negative electrode, another the input termination logic module (MDK) terminal 2, another output termination DC220V storage battery (E) anode.
4. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that described logic module (MDK) terminal 3 meets power transistor (GTR 2) collecting electrode, terminal 1 meets power transistor (GTR 1) collecting electrode.
5. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that described power transistor (GTR 2) emitter connect the negative electrode of diode (D), the cathode connection circle (L of diode (D) 1) anode, anode meets power transistor (GTR 3) collecting electrode.
6. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that described power transistor (GTR 3) collecting electrode wiring circle (L 2) negative electrode, emitter wiring circle (L 1) negative electrode.
7. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that described power transistor (GTR 1) emitter connect the negative electrode of rectification module (MJYS-ZL), collecting electrode wiring circle (L 1) negative electrode.
8. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that a termination power transistor (GTR of an open contact of described control switch (SA) 1) the control utmost point, another termination power transistor (GTR 1) collecting electrode, termination switch (K1) A phase output terminal of another open contact, an end of another termination time relay (KS) coil.
9. the solid-state controller of lifting electromagnet according to claim 1 is characterized in that a termination control switch (SA) of described time relay (KS) coil, another termination switch (K 1) the B phase output terminal, a termination power transistor (GTR of a Time Delay Opening normally closed contact (KS) 2) the control utmost point, another termination power transistor (GTR 2) collecting electrode, a termination power transistor (GTR of another Time Delay Opening normally closed contact (KS) 3) the control utmost point, another termination power transistor (GTR 3) collecting electrode, coil (L 2) anode meet power transistor (GTR 2) collecting electrode.
CNU2007200207708U 2007-04-18 2007-04-18 Hoisting electromagnet solid-state controller Expired - Fee Related CN201031106Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200207708U CN201031106Y (en) 2007-04-18 2007-04-18 Hoisting electromagnet solid-state controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200207708U CN201031106Y (en) 2007-04-18 2007-04-18 Hoisting electromagnet solid-state controller

Publications (1)

Publication Number Publication Date
CN201031106Y true CN201031106Y (en) 2008-03-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200207708U Expired - Fee Related CN201031106Y (en) 2007-04-18 2007-04-18 Hoisting electromagnet solid-state controller

Country Status (1)

Country Link
CN (1) CN201031106Y (en)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080305

Termination date: 20100418