Infrared burner and warmer

Abstract

Disclosed are an infrared burner and a warmer. The infrared burner includes a cover, a chassis, a mounting bracket, a ceramic plate, a hollow air column and a strengthening net. The chassis is defined with a through hole. A bottom of the mounting bracket is mounted on the chassis and a top of the mounting bracket is mounted on the cover. The ceramic plate is defined with air holes and provided on the mounting bracket. The ceramic plate is enclosed with the mounting bracket. The chassis and the cover to form a combustion space. The hollow air column is defined with air holes and passes through the through hole to extend into the combustion space. A bottom of the strengthening net is connected with the chassis and a top of the strengthening net is connected with the cover, and the strengthening net is provided outside the ceramic plate.

What is claimed is: 
     
         1 . An infrared burner, comprising:
 a cover;   a chassis defined with a through hole;   a mounting bracket, a bottom of the mounting bracket being mounted on the chassis and a top of the mounting bracket being mounted on the cover;   a ceramic plate defined with air holes and provided on the mounting bracket, the ceramic plate being enclosed with the mounting bracket, the chassis and the cover to form a combustion space;   a hollow air column defined with air holes; and   a strengthening net, a bottom of the strengthening net being connected with the chassis and a top of the strengthening net being connected with the cover, the strengthening net being provided outside the ceramic plate,   wherein the hollow air column passes through the through hole to extend into the combustion space.   
     
     
         2 . The infrared burner of  claim 1 , wherein the chassis is rectangular, the infrared burner comprises four mounting brackets, and the four mounting brackets are provided at four corners of the chassis, respectively. 
     
     
         3 . The infrared burner of  claim 2 , wherein:
 the mounting bracket is formed by enclosing a first shell with a second shell;   the strengthening net comprises a horizontal net and two vertical nets respectively connected with two sides of the horizontal net;   a first insertion gap is formed on an edge of the first shell, a second insertion gap is formed on an edge of the second shell; and   the two vertical nets are inserted into and meshed with the first insertion gap and the second insertion gap in a one-to-one correspondence.   
     
     
         4 . The infrared burner of  claim 3 , wherein:
 both the first shell and the second shell are L-shaped; and   the first shell is located on a side away from the combustion space and the second shell is located on a side close to the combustion space.   
     
     
         5 . The infrared burner of  claim 3 , wherein the strengthening net is in the form of a concave. 
     
     
         6 . The infrared burner of  claim 3 , wherein the mounting bracket further comprises a first reinforcing plate provided on a side of the second shell away from the second insertion gap. 
     
     
         7 . The infrared burner of  claim 2 , wherein:
 two second reinforcing plates are connected between any two adjacent mounting brackets; and   one of the second reinforcing plates is mounted on the chassis and the other one is mounted on the cover.   
     
     
         8 . The infrared burner of  claim 7 , wherein:
 both the chassis and the cover are provided with a limiting block;   the limiting block comprises a horizontal section and a vertical section; and   the horizontal section is connected with the chassis or the cover and the vertical section is in abutment with a second reinforcing plate.   
     
     
         9 . The infrared burner of  claim 1 , wherein:
 the hollow air column comprises:
 an air inlet end provided outside the combustion space; and 
 an air outlet end extending inside the combustion space, the air outlet end being mounted with a hood and extending into an inner cavity of the hood, 
   an inner sidewall of the hood is provided with a connecting portion connected with the hollow air column, and   an outer peripheral wall of the hood and an end surface of the hood away from the air outlet end are provided with air holes communicated with the inner cavity.   
     
     
         10 . The infrared burner of  claim 9 , wherein the hood is a cylinder with an open bottom. 
     
     
         11 . The infrared burner of  claim 10 , wherein the hollow air column comprises:
 a first air inlet segment facing the air inlet end;   a first mixing segment, an end of the first mixing segment being connected with the first air inlet segment and a cross-sectional area of the first mixing segment gradually decreasing along an air inlet direction;   a second mixing segment connected with an end of the first mixing segment away from the first air inlet segment and a cross-sectional area of the second mixing segment gradually increasing along the air inlet direction; and   an air outlet segment connected with an end of the second mixing segment away from the first mixing segment, the air outlet segment facing the air outlet end.   
     
     
         12 . The infrared burner of  claim 11 , wherein:
 the hollow air column further comprises a second air inlet segment provided at the air inlet end,   the second air inlet segment is connected with an end of the first air inlet segment away from the first mixing segment, and   a cross-sectional area of the second air inlet segment gradually decreases along the air inlet direction.   
     
     
         13 . The infrared burner of  claim 1 , wherein:
 an edge of the through hole extends upwards to form an annular guiding protrusion;   the hollow air column passes through the annular guiding protrusion to extend into the combustion space; and   an inner wall of the annular guiding protrusion is in abutment with an outer wall of the hollow air column.   
     
     
         14 . The infrared burner of  claim 1 , wherein:
 the cover and the chassis are respectively enclosed with the mounting bracket to form a top mounting groove and a bottom mounting groove;   a top end of the strengthening net is provided with a first bending portion bent inward, and a bottom end of the strengthening net is provided with a second bending portion bent inward; and   the first bending portion is inserted into and meshed with the top mounting groove and the second bending portion is inserted into and meshed with the bottom mounting groove.   
     
     
         15 . The infrared burner of  claim 1 , wherein the through hole is provided in a center of the chassis. 
     
     
         16 . The infrared burner of  claim 1 , wherein the hollow air column is provided in a center of the combustion space. 
     
     
         17 . A warmer, wherein the warmer is applied with the infrared burner of  claim 1 .