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Manufacturing method of multi-strand aluminum wire high-frequency inductor of 6-15KVA single-phase solar inverter

A production method and solar energy technology, applied in transformer/inductor components, transformer/inductor coil/winding/connection, inductor, etc., can solve the problems of broken, multi-strand aluminum wires are easy to be fused, etc., to reduce AC The effect of loss

Inactive Publication Date: 2017-02-01
FOSHAN EAGLERISE POWER SCI & TECH SHUNDE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Another object of the present invention is to provide a practical and effective method for manufacturing multi-strand aluminum wire high-frequency inductors for 6-15KVA single-phase solar inverters that can effectively solve the problem of multi-strand aluminum wires being easily fused and broken during welding.

Method used

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Embodiment Construction

[0019] The following specific technical solutions corresponding to the present invention will be further described in detail. The manufacturing method of the multi-strand aluminum wire high-frequency inductor of the 6-15KVA single-phase solar inverter of the present invention includes the following steps:

[0020] Step 1: The multi-strand enamelled aluminum wire is subjected to a paint stripping treatment with a length of 50 ± 15mm and straightened out, and the aluminum wire cannot be knotted;

[0021] Step 2: prepare a copper foil groove with a thickness of 0.10~0.40mm, a width of 15~25mm, and an appropriate length (the length is selected according to actual needs) to form a copper foil groove. The cross-sectional shape of the copper foil groove is U-shaped Or a type.

[0022] Step 3: After the multi-strand enamelled aluminum wire in step 1 is stripped of paint, the part to be welded of the multi-strand aluminum wire is placed in the copper foil groove in step 2, and the mult...

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Abstract

The invention provides a manufacturing method of a multi-strand aluminum wire high-frequency inductor of a 6-15KVA single-phase solar inverter. Multiple strands of aluminum wires are coated with a red copper foil; copper-aluminum welding is achieved by using ultrasonic welding in the wire harness industry; tin soldering is carried out by using a copper material and the copper foil for lead-out; a welding segment is finally dispensed and coated with an adhesive tape, copper-aluminum welding points are integrated and reliable welding of the multiple strands of fine aluminum wires is achieved, so that the high-frequency inductor obtained by using the manufacturing method provided by the invention has the advantages of being small in high-frequency AC loss, high in efficiency, low in cost, light in weight and reliable in performance, and can be directly and conveniently used for the 6-15KVA single-phase solar inverter.

Description

technical field [0001] The invention relates to the technical field of high-frequency inductors, and more specifically refers to a method for manufacturing a multi-strand aluminum wire high-frequency inductor for a 6-15KVA single-phase solar inverter. Background technique [0002] In recent years, with the advancement of power electronics technology and photovoltaic power generation technology, the high-frequency inductors in solar photovoltaic inverters have faced greater challenges. 6-15KVA single-phase solar inverters require light weight and high efficiency because of their high operating frequency. The windings of traditional high-frequency inductors are made of copper conductors, but the copper conductors have a high density (8.9 grams per Cubic centimeters), the unit price is high, which brings huge cost pressure to the development of photovoltaic power generation industry. It is difficult to use aluminum wires as windings for high-frequency inductors in the industry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28H01F41/04H01F37/00
CPCH01F27/2866H01F37/00H01F41/04
Inventor 肖俊承王一龙崔健刘钢特
Owner FOSHAN EAGLERISE POWER SCI & TECH SHUNDE CO LTD
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