Burner and gas water heater having same

Abstract

A burner (100) and a gas water heater with the same are provided. The burner (100) includes a fire line (10), the fire line (10) defines a mixing chamber (101) therein and has an inlet (102), a main outlet, and an assistant outlet. The fire line (10) includes a first sheet (11); a second sheet (12), the second sheet (12) is opposite the first sheet (11) and defines the mixing chamber (101); and a partition plate (13) provided between the first sheet (11) and the second sheet (12), the partition plate (13) is provided with the main outlet, and the partition plate (13) and at least one of the first sheet (11) and the second sheet (12) define the assistant outlet.

What is claimed is: 
     
         1 . A burner, comprising:
 a fire line defining a mixing chamber therein, having an inlet, a main outlet, and an assistant outlet in communication with the mixing chamber, and comprising:   a first sheet;   a second sheet opposite the first sheet and defining the mixing chamber; and   a partition plate provided between the first sheet and the second sheet and having two sides connected to the first sheet and the second sheet, the main outlet being form at the partition plate, and the partition plate and at least one of the first sheet and the second sheet define the assistant outlet.   
     
     
         2 . The burner according to  claim 1 , wherein the assistant outlet comprises a first assistant outlet and a second assistant outlet, a first side of the partition plate and the first sheet define the first assistant outlet, and a second side of the partition plate and the second sheet define the second assistant outlet. 
     
     
         3 . The burner according to  claim 2 , wherein the first sheet is provided with a first profiled portion, the first profiled portion is sunk towards a direction away from the partition plate, and the first profiled portion and the first side of the partition plate define a first assistant gas-flow passage in communication with the mixing chamber and the first assistant outlet,
 the second sheet is provided with a second profiled portion, the second profiled portion is sunk towards a direction away from the partition plate and opposite the first profiled portion, and the second profiled portion and the second side of the partition plate define a second assistant gas-flow passage in communication with the mixing chamber and the second assistant outlet.   
     
     
         4 . The burner according to  claim 3 , wherein a plurality of first profiled portions and a plurality of second profiled portions are provided, and the plurality of first profiled portions and the plurality of second profiled portions are spaced apart along a length direction of the partition plate,
 a plurality of first assistant outlets are provided, positions of the plurality of first assistant outlets correspond to positions of the plurality of first profiled portions one to one, a plurality of second assistant outlets are provided, positions of the plurality of second assistant outlets correspond to positions of the plurality of second profiled portions one to one, each of the first assistant outlets and second assistant outlets is an elongated hole extending along the length direction of the partition plate.   
     
     
         5 . The burner according to  claim 3 , wherein upper ends of the first profiled portion and the second profiled portion are beyond the partition plate, extend upwards in a height direction of the partition plate, and extend obliquely in a direction away from the partition plate. 
     
     
         6 . The burner according to  claim 3 , wherein the main outlet comprises:
 a plurality of first main outlets provided at a middle portion of the partition plate and spaced apart in a length direction of the partition plate; and   a plurality of second main outlets in two rows and arranged at the two sides of the partition plate, the plurality of the second main outlets in each of the rows being spaced apart along the length direction of the partition plate.   
     
     
         7 . The burner according to  claim 6 , wherein each of the first main outlets and the second main outlets is an elongated hole extending along a width direction of the partition plate, and a length of each of the second main outlets is less than a length of each of the first main outlets. 
     
     
         8 . The burner according to  claim 6 , wherein the plurality of first main outlet and the plurality of second main outlets are arranged in groups, and the groups are offset along the length direction of the partition plate. 
     
     
         9 . The burner according to  claim 6 , wherein the main outlet is arranged in a plurality of groups along the length direction of the partition plate, and each of the groups comprises at least one first main outlet and at least one second main outlet. 
     
     
         10 . The burner according to  claim 9 , wherein a distance between two adjacent groups of the main outlet is greater than or equal to a distance between two adjacent assistant outlets in the length direction of the partition plate, and each of the groups of main outlet comprises 3 to 8 main outlets. 
     
     
         11 . The burner according to  claim 9 , wherein two ends of opposite sides of the first sheet and the second sheet are provided with end plates extending along the width direction of the partition plate respectively, and a position of each of the end plates corresponds to a position of a group of main outlet located at an outermost of the partition plate. 
     
     
         12 . A gas water heater comprising the burner according to  claim 1 .