CN201134318Y

CN201134318Y - Remote controlled type electric permanent-magnetic chuck and power supply control device

Info

Publication number: CN201134318Y
Application number: CNU2007200164609U
Authority: CN
Inventors: 刘树田; 普仕凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-06
Filing date: 2007-12-06
Publication date: 2008-10-15
Anticipated expiration: 2017-12-06

Abstract

Disclosed are a remote-controlled electric permanent-magnetic chuck and a power supply control device thereof. The power supply control device comprises a remote control receiver N, a single chip control system DBJXD and two alternating current solid state relays JG1, JG2. Common cathodes output high potentials D1, D3, D5 of a three-phase bridge rectifier circuit , D2, D4, D6 common anodes output low potentials, an alternating current contactor J1 is used for absorption, an alternating current contactor J2 is used for release, and an alternating current contactor J (N+2) is used as an electric switch of an exciting coil LN of a corresponding chuck. In the remote-controlled electric permanent-magnetic chuck, a non magnetic bolt is screwed in a leading magnetic pole by penetrating through a conductive magnetic top plate, an upper conductive magnetic plate and switch magnetic steel, and the exciting coil is wound around the conductive magnetic plate and the periphery of the switch magnetic steel. The conductive magnetic top plate and an outer magnetic polar plate are part of a magnetic circuit and protect the switch magnetic steel and the exciting coil, the magnetic force of the chuck is increased by adding the magnetic forces of the main magnetic steel and the switch magnetic steel in absorption, and a short magnetic circuit is formed inside when release, thereby showing no magnetic force to the outside.

Description

Distance type electric permanent-magnet suction disc and power supply control apparatus thereof

Technical field

The utility model relates to a kind of distance type electric permanent-magnet suction disc and power supply control apparatus thereof.

Background technology

The electromagnet of present industrial use need become direct current supply with AC rectification, a lot of occasions are protected magnetic machine and batteries in order to guarantee that safety also needs to add to have a power failure, in order to the usefulness that ensures safety that has a power failure, this system complex cost height, power consumption is big, and by the suction part remanent magnetism might be arranged.At present the permanent magnet that uses mostly is mechanical greatly, breaks because of mechanical action and the magnet steel that has expose, and magnetic force is descended greatly so that can not use, and is inhaled part and is magnetized just more outstandingly, and mechanical is single head mostly, and use occasion just more has limitation.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art part, start and do not have the machinery action, lock without mechanical key permanent magnetism, also can be used for machining industry, can be to not inhaled workpiece magnetizing or few magnetization, but what a kind of energy-saving safe wide application was provided receives the single head that Single Chip Microcomputer (SCM) system is controlled by remote control, but the electric permanent-magnet suction disc and the power supply control apparatus thereof of bull combination.

The structure of this distance type electric permanent-magnet suction disc is: the magnetic conduction top board is connected with the welding of outside magnetic pole plate or with the magnetic conduction bolt; the middle down upper conduction magnetic board that is provided with successively of magnetic conduction top board; the switch magnet steel; the magnetic conduction polar body; pass the magnetic conduction top board with non-magnetic conduction bolt; upper conduction magnetic board; the switch magnet steel; be screwed in the magnetic conduction polar body; magnet exciting coil is wrapped in around upper conduction magnetic board and the switch magnet steel; the external side of leading pole is provided with interior magnetic conductor successively; main magnet steel; outer magnetizer; outer magnetizer is connected with outer Side magnetic pole plate welding or with the magnetic conduction bolt; the no magnetic baffle that is sleeved on the magnetic conduction polar body welds with outer Side magnetic pole plate and magnetic conduction polar body respectively, and support set is contained in the external interior magnetic conductor of leading pole; main magnet steel; outer magnetizer.The gap that magnet exciting coil is in contact with it can be filled with the non-magnetic conduction thing of insulation, and main magnet steel is identical with inside and outside magnetic conductor contact area.

The power supply control device of this distance type electric permanent-magnet suction disc, comprise receiver of remote-control sytem N, single-chip computer control system DBJXD, two ac solid relay JG1JG2, three-phase bridge rectifier circuit D1, D3, D5 common cathode output high potential, D2, D4, D6 be anode output electronegative potential altogether, and A.C. contactor J1 is as inhaling, A.C. contactor J2 is as putting, and A.C. contactor J (N+2) is as the electric switch of corresponding sucker magnet exciting coil.

Two live wires of the elementary and power supply 380V of transformer T3 link to each other, secondary power supply as single-chip microcomputer DBJXD; The controlled end of ac solid relay JG1, JG2 is the anode link of two light-emitting diodes, and receives in the single-chip microcomputer DBJXD, and two negative electrodes are also received in the single-chip microcomputer DBJXD respectively; The end of bidirectional triode thyristor JG1, the JG2 of output is received respectively on two

live wires

1,2 of power supply 380V, the other end is received the positive terminal of D1 of bridge rectifier and the negative pole end of D2 respectively, the positive terminal of D5 and the negative pole end of D6, another root live wire 3 of power supply 380V is received the positive terminal of D3 and the negative pole end of D4; Live wire 1 connects the control end of A.C. contactor J1, J2, J (N+2) again, and another control end of A.C. contactor J1, J2, J (N+2) is received respectively in the single-chip microcomputer DBJXD, and A.C. contactor J (N+2) is the electric switch of magnet exciting coil LN, N is 1 o'clock, and corresponding J3, N are 2 o'clock, corresponding J4, by that analogy.Live wire 2 is received in the single-chip microcomputer DBJXD again; The D1 of bridge rectifier, D3, D5 common cathode terminate on the contact of A.C. contactor J1 and J2, and the D2 of bridge rectifier, D4, D6 anode tap altogether receive on another contact of A.C. contactor J1 and J2.

Receive the order of remote-control transmitting as the receiver of remote-control sytem N of single-chip computer control system DBJXD, inhale order if judge, then A.C. contactor J1 connects, connect A.C. contactor J3 then, connect two ac solid relay JG1 again, JG2, three-phase alternating current is added to the input of bridge rectifier like this, high potential is from D1 after the rectification, D3, the output of D5 common cathode end, through A.C. contactor J1 closing contact, give magnet exciting coil L1 power supply through A.C. contactor J3 closing contact again, the electric current of the magnet exciting coil L1 that flows through is got back to bridge rectifier electronegative potential D2 through another contact of A.C. contactor J1, D4, D6 is anode tap altogether, is the 1st sucker coil magnetization, make it become the suction state, close two ac solid relay JG1 afterwards, JG2 closes J3 again, finish this process after, open J4 again, open JG1 again, JG2 is the 2nd a sucker coil magnetization, above-mentionedly adds electric process by that analogy, up to N sucker coil magnetization, disconnect J1 then.If judge and put order, process of putting and the unique difference of the process of suction are that A.C. contactor J2 connects, and current reversal passes through magnet exciting coil.

Magnetic conduction top board and outside magnetic pole plate are that the part of magnetic circuit shields to switch magnet steel, magnet exciting coil again; the magnetic conduction top board can directly be adorned hanger or fixing using; master's magnet steel and the addition of switch magnet steel magnetic force improve sucker magnetic force during suction, form magnet short-cut path in inside when putting, and externally do not show magnetic force.The advantage of remote control power supply control apparatus is that operating personnel are only put button with the suction of remote control transmitter and come into contacts with, the electric supply installation part can be contained in from the near place of permanent magnetic chuck, feed cable and corresponding annex have been reduced, not only be convenient to control but also reduce cost as the actuator of power supply with A.C. contactor, the three-phase bridge rectification diode not only done rectification with but also make discharge loop and use, make mains switch with ac solid relay, it separates light current and forceful electric power safer.

Description of drawings

Fig. 1 is the power supply control apparatus principle schematic of the utility model distance type electric permanent-magnet suction disc.

Fig. 2 is the structural representation of distance type electric permanent-magnet suction disc.

Embodiment

Now in conjunction with the accompanying drawings the utility model is further described, please refer to accompanying drawing 2, electric permanent-magnet suction disc can be a square, cuboid, prism.This distance type electric permanent-magnet suction disc, magnetic conduction top board 1 is connected with 2 welding of outside magnetic pole plate or with the magnetic conduction bolt, the middle down upper conduction magnetic board 11 that is provided with successively of magnetic conduction top board, switch magnet steel 4, magnetic conduction polar body 10, pass magnetic conduction top board, upper conduction magnetic board, switch magnet steel, be screwed in the magnetic conduction polar body 10 with non-magnetic conduction bolt 9, magnet exciting coil 3 is wrapped in upper conduction magnetic board 11, around the switch magnet steel 4.Magnetic conduction polar body 10 sides are provided with interior magnetic conductor 7, main magnet steel 6, outer magnetizer 5 successively, outer magnetizer and outer Side magnetic pole plate welding.The no magnetic baffle 8 that is sleeved on the magnetic conduction polar body 10 welds with outer Side magnetic pole plate and magnetic conduction polar body respectively; and support set is contained in the external interior magnetic conductor 7 of leading pole, main magnet steel 6, outer magnetizer 5; no magnetic baffle shields, and fill with the non-magnetic conduction thing of insulation in the gap that magnet exciting coil is in contact with it.Main magnet steel is identical with inside and outside magnetic conductor contact area.Quilt suction steel and iron parts constitutes the loop by magnetic conduction polar body 10 and outer Side magnetic pole plate 2 and is picked up.

Please refer to Fig. 1 again, receive the order of remote-control transmitting as the receiver of remote-control sytem N of single-chip computer control system DBJXD, inhale order if judge, then A.C. contactor J1 connects, connect A.C. contactor J3 then, connect two ac solid relay JG1 again, JG2, three-phase alternating current is added to the input of bridge rectifier like this, high potential is from D1 after the rectification, D3, the output of D5 common cathode end, through A.C. contactor J1 closing contact, give magnet exciting coil L1 power supply through A.C. contactor J3 closing contact again, the electric current of magnet exciting coil L1 of flowing through is got back to bridge rectifier electronegative potential D2 through another contact of A.C. contactor J1, D4, D6 is anode tap altogether, is the 1st sucker coil magnetization, makes it become the suction state, close two ac solid relay JG1 JG2 afterwards, close J3 again.After finishing this process, opening J4 again, open JG1 JG2 again, is the 2nd sucker coil magnetization, above-mentionedly adds electric process by that analogy, up to N sucker coil magnetization, disconnects J1 then.If judge and put order, process of putting and the unique difference of the process of suction are that A.C. contactor J2 connects, and current reversal passes through magnet exciting coil.

Claims

The power supply control apparatus of 1 one kinds of distance type electric permanent-magnet suction discs is characterized in that: two live wires of the elementary and power supply 380V of transformer T3 link to each other, secondary power supply as single-chip microcomputer DBJXD; The controlled end of ac solid relay JG1, JG2 is the anode link of two light-emitting diodes, and it is received in the single-chip microcomputer DBJXD, and two negative electrodes are also received in the single-chip microcomputer DBJXD respectively; The end of bidirectional triode thyristor JG1, the JG2 of output is received respectively on two live wires 1,2 of power supply 380V, the other end is received the positive terminal of D1 of bridge rectifier and the negative pole end of D2 respectively, the positive terminal of D5 and the negative pole end of D6, another root live wire 3 of power supply 380V is received the positive terminal of D3 and the negative pole end of D4; Live wire 1 connects the control end of A.C. contactor J1, J2, J (N+2) again, another control end of A.C. contactor J1, J2, J (N+2) is received respectively in the single-chip microcomputer DBJXD, A.C. contactor J (N+2) is the electric switch of magnet exciting coil LN, and live wire 2 is received in the single-chip microcomputer DBJXD again; The D1 of bridge rectifier, D3, D5 common cathode terminate on the contact of A.C. contactor J1, J2, and the D2 of bridge rectifier, D4, D6 anode tap altogether receive on another contact of A.C. contactor J1, J2.
2 one kinds of distance type electric permanent-magnet suction discs by the control of claim 1 power supply control apparatus; it is characterized in that: the magnetic conduction top board is connected with the welding of outside magnetic pole plate or with the magnetic conduction bolt; the middle down upper conduction magnetic board that is provided with successively of magnetic conduction top board; the switch magnet steel; the magnetic conduction polar body; pass the magnetic conduction top board with non-magnetic conduction bolt; upper conduction magnetic board; the switch magnet steel; be screwed in the magnetic conduction polar body; magnet exciting coil is wrapped in around upper conduction magnetic board and the switch magnet steel; the external side of leading pole is provided with interior magnetic conductor successively; main magnet steel; outer magnetizer; the no magnetic baffle that is sleeved on the magnetic conduction polar body welds with outer Side magnetic pole plate and magnetic conduction polar body respectively; and support set is contained in the external interior magnetic conductor of leading pole; main magnet steel; outer magnetizer; the gap that magnet exciting coil is in contact with it can be filled with the non-magnetic conduction thing of insulation, main magnet steel with in; the outer magnetizer contact area is identical.