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Manufacturing method of intermediate frequency water-cooled transformer
In recent years, as cars enter ordinary households, the production and sales of cars have gradually increased. With the needs of automobile production and the advancement of science and technology, various welding methods are constantly emerging, and more than 20 welding methods such as gas shielded welding methods, cold-press welding methods, resistance welding methods, and ultrasonic welding methods have appeared successively. The more commonly used welding methods are generally resistance welding and gas shielded welding.
At present, the traditional resistance spot welding machine is composed of three parts: power supply and control device (welding resistance controller), energy conversion device (welding transformer) and welding actuator (spot welding tongs or spot welding gun), and The working frequency of traditional resistance spot welding machine is mostly low frequency (ie 50-60Hz), and its cooling method adopts natural cooling design. However, the transformer with the above design has disadvantages such as bulky overall structure, high energy consumption, inconvenient installation, low output current, uneven solder joints during continuous welding, and poor reliability, and it is difficult to meet the needs of automobile manufacturers.
For this reason, it is necessary to study a new transformer for spot welding machine to provide the performance stability of spot welding machine.
Technical realization elements:
The purpose of the present invention is to provide an intermediate frequency water-cooled transformer with excellent heat dissipation performance, low overall operating temperature rise and good reliability.
In order to achieve the above objectives, the present invention adopts the following technical solutions:
The intermediate frequency water-cooled transformer, in particular, includes a transformer body and an output part; the output part is provided with a positive electrode output terminal and a negative electrode output terminal; the transformer body includes a cavity with an opening at the top of the cavity and matched with the output part; the cavity An iron core and a primary winding and a secondary winding matched with the iron core are arranged in the body; the primary winding is electrically connected with a positive electrode input terminal and a negative electrode input terminal, and the positive electrode input terminal and the negative electrode input terminal are drawn out of the cavity through a lead wire Outside the body; the secondary winding is electrically connected to the positive electrode output terminal and the negative electrode output terminal; the secondary winding is composed of a plurality of secondary coils in a pipeline structure, and the secondary coil is provided with a fluid channel; the output part is also A water inlet and a water outlet are provided; the water inlet, the fluid channel of each secondary coil, and the water outlet are connected in sequence to form a water cooling path.
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