Heat collector suitable for solar heating

The utility model relates to a heat collector suitable for solar heating, including water tank and evacuated collector tube, evacuated collector tube cut straightly in the both sides of water tank, and the water tank includes and shell and inner bag are equipped with the heat preservation between shell and the inner bag that the both sides of inner bag are equipped with one row of evacuated collector tube's jack respectively, are equipped with heating loop exit and heating circulation import in the bottom of inner bag, are equipped with the domestic water heat exchanger in the inner bag, are connected with the domestic water business turn over on the domestic water heat exchanger and manage. The utility model discloses an evacuated collector tube distributes in the water tank both sides and cut straightly on the water tank, therefore the more ordinary water heater of thermal -arrest area doubles, integrative design, and the heat waste is little, thermal efficiency height. Increase the domestic water heat exch