Composite inverter transformer with built-in reactance iron core and manufacturing process

Abstract

The invention discloses a composite inverter transformer with a built-in reactance iron core and a manufacturing process, and relates to the technical field of transformer manufacturing. The transformer comprises an upper yoke iron core, a lower yoke iron core, a vertical iron core and a coil, wherein the upper yoke iron core and the lower yoke iron core are parallel to each other, and the vertical iron core is located between the upper yoke iron core and the lower yoke iron core. The coil comprises a secondary winding and a primary winding, wherein the secondary winding is wound on the vertical iron core, and the primary winding is located on the outer side of the secondary winding. The transformer is characterized in that the number of the vertical iron cores is two; reactance iron coresare arranged at the inner sides of the two vertical iron cores, and the reactance iron cores are located between the secondary side winding and the primary side winding. The reactance iron cores areadditionally arranged on the opposite faces of the two vertical iron cores, and the reactance iron cores are arranged between the secondary winding and the primary winding, so that the leakage inductance of the transformer is improved, and the coil coupling degree is increased;. According to the structure, the isolation transformer and the electric reactor are combined, namely the electric reactorand the transformer are fused into a whole, thereby greatly reducing the size, and improving the iron core magnetic efficiency.

Description

technical field [0001] The invention relates to the technical field of transformer manufacturing, in particular to a composite inverter transformer with a built-in reactance iron core and a manufacturing process. Background technique [0002] As we all know, the inverter converts DC power (battery, storage battery) into AC power (generally 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Inverter transformers are widely used in power supply equipment, air conditioners, computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, home theaters, electric grinding wheels, electric tools, sewing machines, DVD, VCD, lighting, etc. [0003] In recent years, with the rapid development of science and technology, people have higher and higher requirements on the parameters of inverter transformers. The above parameters mainly include three aspects: efficiency, volume and energy consumption of inverter...

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Problems solved by technology

[0003] In recent years, with the rapid development of science and technology, people have higher and higher requirements on the parameters of inverter transformers. The above parameters mainly include three aspects: efficiency, volume and energy consumption of inverter transformers. In order to solve the above problems, engineers mainly focus on Materials, processes, etc. have been researched, and some progress has been made, but there are few technical solutions for improving the structure. Therefore, if the parameters of the inverter transformer can be further improved from the structural improvement, the inverter transformer will be greatly improved. development will have a positive effect

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