Pulse voltage type formation power supply
A technology of pulse voltage and power supply, applied in electrical components, adjusting electrical variables, instruments, etc., can solve the problems of high unit consumption of formed foil and easy fluctuation of withstand voltage value, so as to improve withstand voltage value, save power consumption, Power saving effect
Pending Publication Date: 2019-02-26
XINJIANG JOINWORLD CO LTD
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Problems solved by technology
[0002] The production process of forming foil for aluminum electrolytic capacitors is as follows: After the corroded foil is boiled in high temperature water, under the large DC electric field provided by the on-load voltage regulation rectifier converter, the primary formation and secondary formation are carried out in the formation electrolyte at a specific temperature. , three-stage chemical formation, four-stage chemical formation, five-stage chemical formation, roasting treatment, intermediate treatment, cleaning, drying and other processes, the main purpose of which is to form a layer of insulating medium on the surface of the corroded foil by means of electrochemical anodic oxidation. film (Al2O3), the disadvantage of this kind of power supply is: the withstand voltage value is easy to fluctuate, and the power consumption of the formed foil is relatively high
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] The device for supplying power to formed foil in the present invention is composed of a rectifier converter and a DC converter. The rectifier converter converts AC power into DC power supply, while the DC converter provides adjustable pulsed DC power supply. Schematic diagram of the power supply mode of the original rectifier converter, such as figure 1 Shown: Electrochemical direct current anodization of formed foils. It is equivalent to adding a volt...
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The invention discloses a pulse voltage type formation power source, and relates to an aluminum electrolysis electrode foil forming technology. A problem of large electric energy loss in the power supply mode of a formed foil is solved and pulse voltage mode power supply is provided in the formed foil production. The technical solution can be summarized as follows: only by use of a DC converter, an adjustable DC pulse voltage can be generated by a DC-DC converter to serve as a formation voltage and be used for the formation of an electrode foil. The invention has the beneficial effects of improving the voltage resistance value of the formed foil, reducing the power consumption of the formation production, and being suitable for the formed foil production equipment for the aluminum electrolytic capacitor.
Description
technical field [0001] The invention relates to a DC power supply technology for forming foil production equipment for aluminum electrolytic capacitors, in particular to a pulse voltage type forming power supply. Background technique [0002] The production process of forming foil for aluminum electrolytic capacitors is as follows: After the corroded foil is boiled in high temperature water, under the large DC electric field provided by the on-load voltage regulation rectifier converter, the primary formation and secondary formation are carried out in the formation electrolyte at a specific temperature. , three-stage chemical formation, four-stage chemical formation, five-stage chemical formation, roasting treatment, intermediate treatment, cleaning, drying and other processes, the main purpose of which is to form a layer of insulating medium on the surface of the corroded foil by means of electrochemical anodic oxidation. Film (Al2O3), the disadvantage of this kind of power...
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IPC IPC(8): H02M7/00H02M3/00
CPCH02M3/00H02M7/00
Inventor 王国强何永虎陆江勇李宏亮杨飞陈晓东
Owner XINJIANG JOINWORLD CO LTD