From the first generation of grille panels to the second generation of grille panels, it is an improvement in the appearance of household wall-mounted split air conditioners. This improvement not only reflects the reduction in volume and beautification of the appearance, but also reflects the indoor The foldable change of the evaporator and the improvement of the system capacity of the wall-mounted split air conditioner. It can also be seen from this aspect that the change of the evaporator folding is a key factor in the transformation of the two generations of grid panels. At the end of the 1990s, many companies invested a lot of manpower and material resources in the research of evaporator folding. Midea also applied for a multi-fold evaporator patent in 1998. Many of its products use four-fold evaporators, while another brand in the industry generally uses five-fold evaporators.
However, from the first generation of grille panels to the second generation of grille panels, there has not been a big change in the air intake mode. The circulating air path with frontal air intake and air outlet is still adopted. Of course, this is also a grille type. The reason why the panel is the root of the grille panel, the technical characteristics determine its appearance.
