1results about How to "No local overheating" patented technology

The application belongs to a two-flow evaporator, which is a one-piece welded structure, comprising two parallel flat tube groups, inlet / outlet header, intermediate header, fins and two guards; the two flat tube groups are inlet flow flat tube group and return flow flat tube group, fins are arranged between adjacent flat tubes, the two guards are arranged outside the flat tube groups, and the two ends are fixed with the inlet / outlet header and the intermediate header; the inlet / outlet header is provided with a first partition plate, which divides the inner cavity into an end inlet flow cavity and a liquid outlet cavity, which are respectively connected with the inlet flow flat tube group and the return flow flat tube group, and the tube body is provided with an air inlet and a liquid outlet hole at one end; the intermediate header is provided with a second partition plate, a third partition plate and an intermediate partition cover, which divide the inner cavity into a middle inlet liquid cavity and a middle return liquid cavity, which are respectively connected with the inlet flow flat tube group and the return flow flat tube group, and the refrigerant flows from both ends to the middle through the middle inlet liquid cavity, and flows into the middle return liquid cavity through the upper and lower space of the intermediate partition cover, so as to realize double-flow heat exchange. The application can significantly reduce the core resistance and improve the temperature uniformity.