TECHNOLOGY CONTINUES TO DEVELOP
Production Method of Medium Frequency Water-cooled Transformer
2021-10-19 09:13
In recent years, with the car into the ordinary family, car production and sales gradually increased. With the needs of automobile production and the progress of science and technology, a variety of welding methods continue to emerge, and there have been more than 20 kinds of welding methods, such as gas shielded welding method, cold pressure welding method, resistance welding method, ultrasonic welding method, and the more commonly used welding methods are generally resistance welding method and gas shielded welding method.
At present, the traditional resistance spot welding machine is composed of three parts: power supply and control device (welding controller), energy conversion device (welding transformer) and welding actuator (spot welding clamp or spot welding gun), and the working frequency of the traditional resistance spot welding machine is mostly low frequency (I. e. 50~60Hz), and its cooling mode adopts natural cooling design. However, the transformer with the above design has the disadvantages of heavy overall structure, high energy consumption, inconvenient installation, small output current, uneven solder joints during continuous welding, and poor reliability, which are 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 performance stability of spot welding machine.
Technical implementation elements:
The purpose of the present invention is to provide a medium 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:
Medium frequency water-cooled transformer, in particular, includes a transformer main body and an output part; The output part is provided with a positive electrode output end and a negative electrode output end; The transformer main body includes a cavity, the top of the cavity is open and matched with the output part; The cavity is provided with an iron core and a primary winding and a secondary winding matched with the iron core; The primary winding is electrically connected with a positive electrode input terminal and a negative electrode input terminal, the positive electrode input terminal and the negative electrode input terminal are led out of the cavity through lead wires; 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 pipe structure, and a fluid channel is provided in the secondary coil; the output part is also provided with a water inlet and a water outlet; the water inlet, the fluid channel and the water outlet of each secondary coil are connected in turn to form a water cooling path.
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