Intelligent contactless direct current control power supply for lifting electromagnet
A lifting electromagnet and DC control technology, applied in the direction of load hanging components, transportation and packaging, etc., can solve the problems of complex installation and debugging, poor operation stability, and large power consumption, and achieve good economic and social benefits , Stable operation, reliable effect
Inactive Publication Date: 2010-10-13
岳阳中南电磁科技有限公司
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Problems solved by technology
[0002] At present, the lifting electromagnet control equipment has the following problems: 1. There are many components and complex control, many faults, and many mechanical contacts, which are easy to cause burning and bonding, resulting in breakage and short circuit accidents, and there are hidden dangers
2. Heavy volume and high manufacturing cost
3. Complex installation and debugging, frequent maintenance
4. Poor operation stability
5. High power consumption
Method used
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[0011] As can be seen from the accompanying drawings, the present invention is composed of a programmable microprocessor controller and a main circuit part, wherein each part is composed of an operating element, a thyristor trigger element and a programmable microprocessor circuit, wherein:
[0012] The main circuit part is composed of the first thyristor trigger element D1, D2, the second thyristor trigger element D3, D4 and the third thyristor trigger element D5, D6. The discharge rectification excitation circuit is composed of the resistor R1 and the third thyristor trigger element D5, D6 to form the freewheeling channel of the forward and reverse rectification excitation of the electromagnet;
[0013] The operation switch K1 of the programmable micro-processing controller circuit is set to conduction, the trigger terminal G1 of the first thyristor trigger element D1 and the trigger terminal G3 of the second thyristor trigger element D3 form a two-phase rectification circuit...
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The invention relates to an intelligent contactless direct current control power supply for a lifting electromagnet. The main circuit part of the intelligent contactless direct current control power supply is as follows: a first silicon controlled trigger component, a second silicon controlled trigger component and a third silicon controlled trigger component form an electromagnet forward material absorbing and reverse material emptying rectifier excitation circuit, and a resistor and the third silicon controlled trigger component form a follow current channel of electromagnet forward and reverse rectifier excitation; an operating switch for a programmable mirco-processing controller circuit is set to be connected, the trigger ends of the first silicon controlled trigger component and the second silicon controlled trigger component form a two-phase rectifying circuit, forward excitation is output by a P end and an N end, and the third silicon controlled trigger component and the resistor form a forward excitation follow current circuit; and the operating switch for the programmable mirco-processing controller circuit is set to be disconnected, the trigger ends of the first silicon controlled trigger component and the second silicon controlled trigger component form a two-phase rectifying circuit, reverse excitation is output by the P end and the N end, and the third silicon controlled trigger component and the resistor form a reverse excitation follow current circuit. The invention has the advantages of safety, energy saving and environmental protection.
Description
technical field [0001] The invention relates to lifting electromagnet control equipment, in particular to an intelligent non-contact DC control power supply for lifting electromagnets. Background technique [0002] At present, the lifting electromagnet control equipment has the following problems: 1. There are many components and complex control, many faults, and many mechanical contacts, which are easy to cause burning and bonding, resulting in disconnection and short circuit accidents, and there are potential safety hazards. 2. The volume is bulky and the manufacturing cost is high. 3. Complex installation and debugging, frequent maintenance. 4. Poor running stability. 5. Its own power consumption is large. Contents of the invention [0003] The purpose of the present invention is to improve and innovate on the shortcomings and problems existing in the background technology, and to provide an energy-saving, environmentally friendly, high-efficiency, safe, material-sav...
Claims
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IPC IPC(8): B66C1/08
Inventor 吴建华何志强
Owner 岳阳中南电磁科技有限公司