Lamp housing for high-power LED street lamp

A lamp housing for a high-power LED street lamp comprising:

• a back wall and a plurality of side walls cooperating with the back wall to define a polygonal chamber with an open bottom including a peripheral rim, wherein a plurality of symmetrical fixing holes are provided along the peripheral rim of the open bottom;
• at least four rectangular planes formed symmetrically at each side of a centerline of the back wall, and each rectangular plane disposed on each side progressively farther from the centerline and longitudinally parallel to one another, wherein a pair of corresponding rectangular planes on each side of the center line are inclined with respect to the back wall such that lines normal to each corresponding pair of rectangular planes intersect one another with different included angles and at different locations, and the lines normal to the outmost pair of rectangular planes intersect at an included angle of between 60 to 140 degrees;
• a lamp cover and a plurality of adjustable bolts which are respectively inserted into the fixing holes to fasten the lamp cover at the open bottom end of the lamp housing by turning the adjustable bolts;
• and
• at least one heat dissipation module disposed on an outside surface of the lamp housing, the heat dissipation module comprising:
• a plurality of heat dissipation fins spaced at equal intervals and in parallel;
• and
• a plurality of heat conducting tubes coupled to the heat dissipating fins.