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Large capacity titanium alloy pulse micro arc anode oxidation dynamic control power source

A micro-arc anodic oxidation and control method technology, which is applied in the direction of anodic oxidation, electrolytic coating, electrical components, etc., can solve the problems of power supply in the production process of titanium alloy pulsed micro-arc anodic oxidation, and achieve high precision and circuit Reasonable design and flexible control effects

Inactive Publication Date: 2009-01-21
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Titanium alloy pulse micro-arc anodic oxidation process is currently a relatively complex electrochemical surface treatment process, which has very high requirements for the equipment power supply of the treatment process. At present, the equipment used for titanium alloy treatment is a switching power supply with a built-in program control board. When converting AC to DC, the ripple rate of the power supply is required to be below 1% to ensure stable product quality, uniform oxide film thickness and color. The current switching power supply is difficult to meet the requirements of this kind of power supply. For titanium alloy anodes The parameters involved in the scientific and accurate completion of the oxidation process include initial working voltage, final working voltage, rated maximum voltage, boost speed, voltage range of the process, rated constant current value, pulse duration, pulse tracking frequency, and duty Ratio, negative pulse value, terminal voltage and current drop speed, and electrolytic cell operating temperature and other multi-parameter automatic dynamic control. At present, all relevant information has been checked, and no power supply related to the titanium alloy pulse micro-arc anodic oxidation production process has been found. power supply

Method used

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  • Large capacity titanium alloy pulse micro arc anode oxidation dynamic control power source
  • Large capacity titanium alloy pulse micro arc anode oxidation dynamic control power source
  • Large capacity titanium alloy pulse micro arc anode oxidation dynamic control power source

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Embodiment Construction

[0055] The detailed structure and working principle of the present invention are described in detail in conjunction with accompanying drawings.

[0056] The hardware part of the present invention is composed of internal and external circuits, wherein the internal power supply of the machine: -15V, -5V power supply: through the secondary 001 and 002 of the TC1 transformer, through the B2 positive current C9 filter, the stabilized voltage 7915 is filtered and then output -15V. After the 7905 regulator block C11 filter output -5V.

[0057] +24V, +15V, +5V power supply: TC1 transformer times 003, 004, and B1 positive current C6 filter 7824 voltage regulator block C7 filter output +24V. +24V is filtered by C8 of the 7815 voltage regulator block to output +15V, and +15V is output by the 7805 voltage regulator block to +5V.

[0058] Display DC power supply: after TC1 transformer secondary 005, 006, 007, it is filtered by D7, D8 full-wave positive current, C12, and then adjusted by P...

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Abstract

A high-power dynamic control power supply for the pulsive microarc anodizing of Ti alloy is composed of a hardware unit consisting of single-board microcomputer, transformer, multi-channel output device, main loop, main controller, feedback circuit, control pulse circuit and protecting circuit, and a control program for dynamically controlling 12 parameters.

Description

technical field [0001] The invention relates to a large-capacity dynamic control power supply, which is especially suitable for dynamic control in the titanium alloy pulse micro-arc anodic oxidation production process. Background technique [0002] The titanium alloy pulse micro-arc anodic oxidation process is currently a more complex electrochemical surface treatment process, which requires very high power supply for the equipment used in the treatment process. At present, the equipment used for titanium alloy treatment is a switching power supply with a built-in program control board. When converting AC to DC, the ripple rate of the power supply is required to be below 1%, so as to ensure stable product quality, uniform oxide film thickness and color. The current switching power supply is difficult to meet the requirements of this kind of power supply. For titanium alloy anodes The parameters involved in the scientific and accurate completion of the oxidation process inclu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/00C25D11/02C25D11/26C25D21/12H02M7/155
Inventor 周英杰雒明林吴延宝可成河雷鸣满洪娜
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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