Gas-fired heating device and gas-fired clothes dryer

Abstract

A gas-fired heating device and a gas-fired clothes dryer, where the gas-fired clothes dryer includes the gas-fired heating device, and the gas-fired heating device includes a burner and an igniter, where the burner includes a body and a gas collecting plate, the gas collecting plate is concave upwards to form a gas collecting chamber, and the body has a combustion end provided with a nozzle; the gas collecting plate is connected with the combustion end, and the gas collecting plate is located above the nozzle, so that gas ejected from the nozzle enters the gas collecting chamber; the igniter is provided with an ignition end located outside the nozzle, and the ignition end extends into the gas collecting chamber.

What is claimed is: 
     
         1 . A gas-fired heating device, comprising a burner and an igniter, wherein the burner comprises a body and a gas collecting plate, the gas collecting plate is concave upwards to form a gas collecting chamber, and the body has a combustion end provided with a nozzle; the gas collecting plate is connected with the combustion end, and the gas collecting plate is located above the nozzle, so that gas ejected from the nozzle enters the gas collecting chamber; the igniter is provided with an ignition end located outside the nozzle, and the ignition end extends into the gas collecting chamber. 
     
     
         2 . The gas-fired heating device according to  claim 1 , wherein the body comprises a first connecting plate and a second connecting plate, the first connecting plate is attached to the second connecting plate, the first connecting plate is provided with a first groove, and the first groove is concave away from the second connecting plate;
 the second connecting plate is provided with a second groove, the second groove is concave away from the first connecting plate, the second groove is right opposite to the first groove, and a gas channel is formed by being enclosed by the second groove and the first groove; the nozzle is formed at one end of the gas channel close to the gas collecting chamber, an inlet port is formed at the other end of the gas channel away from the gas collecting chamber, and the gas channel is connected with the gas collecting chamber through the nozzle.   
     
     
         3 . The gas-fired heating device according to  claim 2 , wherein the first groove is provided with a first flow guide groove wall, the first flow guide groove wall is close to the gas collecting chamber, the first flow guide groove wall is disposed inclined relative to the first connecting plate, and a distance between the first flow guide groove wall and the inlet port increases from a groove bottom of the first groove to a groove opening of the first groove. 
     
     
         4 . The gas-fired heating device according to  claim 2 , wherein the second groove is provided with a second flow guide groove wall, the second flow guide groove wall is close to the gas collecting chamber, the second flow guide groove wall is disposed inclined relative to the second connecting plate, and a distance between the second flow guide groove wall and the inlet port increases from a groove bottom of the second groove to a groove opening of the second groove. 
     
     
         5 . The gas-fired heating device according to  claim 3 , wherein the second groove is provided with a second flow guide groove wall, the second flow guide groove wall is close to the gas collecting chamber, the second flow guide groove wall is disposed inclined relative to the second connecting plate, and a distance between the second flow guide groove wall and the inlet port increases from a groove bottom of the second groove to a groove opening of the second groove. 
     
     
         6 . The gas-fired heating device according to  claim 3 , wherein the gas collecting chamber comprises a first side wall, a second side wall and a flow guide wall, the first side wall is perpendicular to the first connecting plate, and the first side wall is parallel to an axis of the gas channel; the second side wall and the first side wall are parallel and spaced apart from one another, and the first side wall and the second side wall are connected through the flow guide wall; the gas collecting chamber is formed by being enclosed by the first side wall, the second side wall and the flow guide wall, and one end of the flow guide wall close to the nozzle is connected with one end of the first flow guide groove wall close to the second connecting plate. 
     
     
         7 . The gas-fired heating device according to  claim 6 , wherein a projection of the flow guide wall on a plane where the first side wall is located is in a circular arc shape. 
     
     
         8 . The gas-fired heating device according to  claim 2 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         9 . The gas-fired heating device according to  claim 3 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         10 . The gas-fired heating device according to  claim 4 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         11 . The gas-fired heating device according to  claim 5 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         12 . The gas-fired heating device according to  claim 6 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         13 . The gas-fired heating device according to  claim 7 , wherein an angle between an axis of the igniter and a plane where the first connecting plate is located is an acute angle; the igniter further has a fixing end, and the fixing end is closer to the inlet port than the ignition end. 
     
     
         14 . The gas-fired heating device according to  claim 2 , wherein two sides of the second connecting plate parallel to an axis of the gas channel is bent upward to form bent plates, slots are formed by being enclosed by the bent plates and the second connecting plate, and the first connecting plate is embedded into the slots. 
     
     
         15 . The gas-fired heating device according to  claim 3 , wherein two sides of the second connecting plate parallel to an axis of the gas channel is bent upward to form bent plates, slots are formed by being enclosed by the bent plates and the second connecting plate, and the first connecting plate is embedded into the slots. 
     
     
         16 . The gas-fired heating device according to  claim 4 , wherein two sides of the second connecting plate parallel to an axis of the gas channel is bent upward to form bent plates, slots are formed by being enclosed by the bent plates and the second connecting plate, and the first connecting plate is embedded into the slots. 
     
     
         17 . The gas-fired heating device according to  claim 5 , wherein two sides of the second connecting plate parallel to an axis of the gas channel is bent upward to form bent plates, slots are formed by being enclosed by the bent plates and the second connecting plate, and the first connecting plate is embedded into the slots. 
     
     
         18 . The gas-fired heating device according to  claim 6 , wherein two sides of the second connecting plate parallel to the axis of the gas channel is bent upward to form bent plates, slots are formed by being enclosed by the bent plates and the second connecting plate, and the first connecting plate is embedded into the slots. 
     
     
         19 . The gas-fired heating device according to  claim 1 , wherein the gas-fired heating device further comprises a mounting bracket, and the burner and the igniter are both connected to the mounting bracket. 
     
     
         20 . A gas-fired clothes dryer, comprising the gas-fired heating device according to  claim 1 .