Lamp with electric control box, electric control box and heat dissipation box

An electric control box, comprises a heat dissipation box and an electric component, wherein, the heat dissipation box comprises:

• a housing, wherein, the housing extends along a horizontal direction, and an accommodating space configured to accommodate the electric component is provided in the housing, the electric component is separated from an inner bottom wall of the housing by a distance;
• an air inlet fan, wherein, the air inlet fan is provided close to a front side surface of the housing, and the air inlet fan is configured to draw external gas into the accommodating space;
• an air outlet fan, wherein, the air outlet fan is provided close to the front side surface of the housing and is separated from the air inlet fan by a distance in a horizontal direction, the air outlet fan is configured to discharge gas inside the accommodating space to an exterior of the housing;
• a protection unit, wherein, the protection unit includes supporting brackets and a protective covers;
• each supporting bracket is provided on an outer side of the front side surface of the housing, a perforation is provided on a middle portion of each supporting bracket, the perforation is configured to form a communication between the accommodating space and an exterior, each perforation is located close to the air inlet fan and the air outlet fan respectively;
• each protective cover is a semi-enclosed box with an opening provided at one end of the semi-enclosed box, each protective cover is covered on each supporting bracket, a least a portion of an inner wall of the protective cover is separated from the supporting bracket to form a gas channel communicated with the perforation and the housing.

A heat dissipation box comprises a housing, wherein the housing extends along a horizontal direction, and an accommodating space is provided in the housing;

• the heat dissipation box further comprises:
• an air inlet fan, wherein, the air inlet fan is provided close to a front side surface of the housing, and the air inlet fan is configured to draw external gas into the accommodating space;
• an air outlet fan, wherein, the air outlet fan is provided close to the front side surface of the housing and is separated from the air inlet fan by a distance in a horizontal direction, the air outlet fan is configured to discharge gas inside the accommodating space to an exterior of the housing;
• a protection unit, wherein, the protection unit includes supporting brackets and a protective covers;
• each supporting bracket is provided on an outer side of the front side surface of the housing, a perforation is provided on a middle portion of each supporting bracket, the perforation is configured to form a communication between the accommodating space and an exterior, each perforation is located close to the air inlet fan and the air outlet fan respectively;
• each protective cover is a semi-enclosed box with an opening provided at one end of the semi-enclosed box, each protective cover is covered on each supporting bracket, a least a portion of an inner wall of the protective cover is separated from the supporting bracket to form a gas channel communicated with the perforation and the housing;
• a drain hole facing downward is provided on a bottom of the protective cover, the drain hole is located close to an inner side wall of the protective cover facing toward the perforation, and an inner bottom surface of the protective cover is inclined toward a direction of the drain hole.