CN201713204U

CN201713204U - Intelligent contact-less direct-current control power source of lifting electromagnet

Info

Publication number: CN201713204U
Application number: CN2010202057406U
Authority: CN
Inventors: 吴建华; 何志强
Original assignee: YUEYANG ZHONGNAN ELECTROMAGNETIC TECHNOLOGY Co Ltd
Current assignee: YUEYANG ZHONGNAN ELECTROMAGNETIC TECHNOLOGY Co Ltd
Priority date: 2009-07-08
Filing date: 2010-05-27
Publication date: 2011-01-19
Anticipated expiration: 2020-05-27

Abstract

The utility model relates to an intelligent contact-less direct-current control power source of a lifting electromagnet. The intelligent contact-less direct-current control power source comprises a main circuit and a programmable microprocessor controller circuit. The main circuit includes electromagnetic forward suction and reverse discharge rectifying excitation circuits and electromagnetic forward and reverse rectifying excitation afterflow circuits, wherein the electromagnetic forward suction and reverse discharge rectifying excitation circuits consist of first thyristor trigger elements, second thyristor trigger elements and third thyristor elements, and the electromagnetic forward and reverse rectifying excitation afterflow circuits consist of resistors and third thyristor trigger elements. When an operating switch of the programmable microprocessor controller circuit is turned on, trigger ends of the first thyristor trigger elements and the second thyristor trigger elements form a two-phase rectifying circuit, forward excitation is output from an end P and an end N, and third thyristors and the resistors form a forward excitation afterflow circuit. When the operating switch of the programmable microprocessor controller circuit is turned off, the trigger ends of the first and second thyristor trigger elements form a two-phase rectifying circuit, reverse excitation is output from the end P and the end N, and the third thyristors and the resistors form a reverse excitation afterflow circuit. The intelligent contact-less direct-current power source is safe, energy-saving and environment-friendly.

Description

Intelligent contactless direct current control power supply for lifting electromagnet

Technical field

The utility model relates to the lifting electromagnet control convenience, refers in particular to a kind of intelligent contactless direct current control power supply for lifting electromagnet.

Background technology

At present there is following problem in the lifting electromagnet control convenience: 1, element is many and control is complicated, and fault is many, mechanical contact is many, easily cause burn, bonding and cause break, short circuit accident, have hidden danger.2, volume heaviness, the manufacturing cost height.3, install, debug complexity, safeguard frequent.4, operation stability is poor.5, oneself power consumption is big.

Summary of the invention

The purpose of this utility model is improved, is innovated at shortcoming that exists in the background technology and problem, a kind of energy-conserving and environment-protective are provided, efficiently, safety, the material saving, volume is little, controls simple and direct, reliable, easy to maintenance, and the intelligent contactless direct current control power supply for lifting electromagnet of long service life.

The technical solution of the utility model is that a kind of microprocessor controller able to programme of structure and power circuit are partly formed, and wherein each several part is made up of executive component, silicon control triggering element and programmable microprocessor circuit, wherein:

Described power circuit partly triggers element, second silicon control triggering element and the 3rd silicon control triggering element by first silicon control and forms suction of electromagnet forward and reverse discharge rectification excitation circuit, triggers the afterflow passage that element is formed electromagnet forward and reverse rectification excitation by resistor and the 3rd silicon control;

The operating switch of described microprocessor controller circuit able to programme is set to conducting, first silicon control triggers the trigger end of element and the trigger end of second silicon control triggering element is formed the two phase commit circuit, by P and N end output forward excitation, the 3rd silicon control and resistor are formed forward excitation freewheeling circuit;

The operating switch of described microprocessor controller circuit able to programme is set to disconnect, first silicon control triggers the trigger end of element and the trigger end of second silicon control triggering element is formed the two phase commit circuit, by P and the reverse excitation of N end output, the 3rd silicon control and resistor are formed reverse excitation freewheeling circuit.

The utility model has following advantage and beneficial effect:

The utility model is made up of module, little electric treatment device power circuit, adopts contact pointless programmed process element to replace the equipment that DC contactor and contactless controller in the prior art can not programmed process, thereby has simple to operate, power consumption is little, noiselessness, in light weight, volume is little, the advantage of reliable operation, reached the use magnetic chuck, work safety, energy-saving and environmental protection, stable, the high-efficiency reliable purpose has good economic benefits and social benefit.

Description of drawings

Accompanying drawing is one of the utility model electrical schematic diagram.

The specific embodiment

By accompanying drawing as can be known, the utility model partly is made up of microprocessor controller able to programme and power circuit, and wherein each several part is made up of executive component, silicon control triggering element and programmable microprocessor circuit, wherein:

Described power circuit partly triggers element D3, D4 by first silicon control triggering element D1, D2, second silicon control and the 3rd silicon control triggering element D5, D6 form suction of electromagnet forward and reverse discharge rectification excitation circuit, triggers the afterflow passage that element D5, D6 form electromagnet forward and reverse rectification excitation by resistor R 1 and the 3rd silicon control;

The operating switch K1 of described microprocessor controller circuit able to programme is set to conducting, first silicon control triggers the trigger end G1 of element D1 and the trigger end G3 of second silicon control triggering element D3 forms the two phase commit circuit, by P and N end output forward excitation, the 3rd silicon control triggers element D5 and resistor R 1 is formed forward excitation freewheeling circuit;

The operating switch K1 of described microprocessor controller circuit able to programme is set to disconnect, first silicon control triggers the trigger end G2 of element D2 and the trigger end G4 of second silicon control triggering element D4 forms the two phase commit circuit, by P and the reverse excitation of N end output, the 3rd silicon control triggers element D6 and resistor R 1 is formed reverse excitation freewheeling circuit.

First silicon control triggering element D1 described in the utility model, D2, second silicon control triggering element D3, D4, the 3rd silicon control trigger element D5, the D6 rectification excitation circuit oppositely is in parallel by two silicon controls respectively, perhaps uses silicon controlled module.Described microprocessor controller able to programme can be a micro controller system, perhaps LOGO, perhaps PLC, perhaps other digital processor.

Enforcement principle of the present utility model:

1) suction:

Operating switch K1 closes, the microprocessor control desk triggers the trigger end G1 of element D1 to first silicon control, second silicon control triggers the trigger end G3 of element D3, the trigger end G5 that the 3rd silicon control triggers element D5 sends out turn-on command, three phase mains through safety switch QF-minute two-way through fuse FU1, fuse FU2 triggers element D1 through first silicon control respectively, trigger element D3 with second silicon control, export to electromagnet forward excitation by P and N end after forming two phase commit, make electromagnet produce magnetic force and suction, the 3rd silicon control triggers the freewheeling circuit of element D5 and resistor R 1 composition forward excitation.

2) blowing:

Opening operation K switch 1, the microprocessor controller plate is sent out turn-on command to trigger end G2, the trigger end G4 that second silicon control triggers element D4, the trigger end G6 that the 3rd silicon control triggers element D6 that first silicon control triggers element D2, three phase mains is exported to the reverse excitation of electromagnet by P and N end through safety switch QF-minute two-way respectively through fuse FU1, fuse FU2 after first silicon control triggers element D2 and second silicon control triggering element D4 composition two phase commit, make electromagnet produce demagnetization force and blowing.The 3rd silicon control triggers the freewheeling circuit of element D6 and the reverse excitation of resistor R 1 composition, and oppositely excitation time is preset by the workman, is as the criterion so that blowing is crisp.

Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineering staff make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims

1. an intelligent contactless direct current control power supply for lifting electromagnet partly is made up of microprocessor controller able to programme and power circuit, and wherein each several part is made up of executive component, silicon control triggering element and programmable microprocessor circuit, it is characterized in that:

Described power circuit partly triggers element (D1, D2), second silicon control triggering element (D3, D4) and the 3rd silicon control triggering element (D5, D6) by first silicon control and forms suction of electromagnet forward and reverse discharge rectification excitation circuit, triggers the afterflow passage that element (D5, D6) is formed electromagnet forward and reverse rectification excitation by resistor (R1) and the 3rd silicon control;

The operating switch of described microprocessor controller circuit able to programme (K1) is set to conducting, first silicon control triggers the trigger end (G1) of element (D1) and the trigger end (G3) of second silicon control triggering element (D3) is formed the two phase commit circuit, by P and N end output forward excitation, the 3rd silicon control triggers element (D5) and resistor (R1) is formed forward excitation freewheeling circuit;

The operating switch of described microprocessor controller circuit able to programme (K1) is set to disconnect, first silicon control triggers the trigger end (G2) of element (D2) and the trigger end (G4) of second silicon control triggering element (D4) is formed the two phase commit circuit, by P and the reverse excitation of N end output, the 3rd silicon control triggers element (D6) and resistor (R1) is formed reverse excitation freewheeling circuit.

2. intelligent contactless direct current control power supply for lifting electromagnet according to claim 1, it is characterized in that described first silicon control triggering element (D1, D2), second silicon control trigger element (D3, D4), the 3rd silicon control triggers element (D5, D6) rectification excitation circuit and oppositely is in parallel by two silicon controls respectively, perhaps uses silicon controlled module.

3. intelligent contactless direct current control power supply for lifting electromagnet according to claim 1 is characterized in that described microprocessor controller able to programme can be a micro controller system, perhaps LOGO, perhaps PLC, perhaps other digital processor.