Turbulence generator, heat exchanger, and water heater

Abstract

A turbulence generator including a turbulence plate, and first and second flow deflectors disposed at the turbulence plate. A first end of the first flow deflector is connected to the turbulence plate, and a second end of the first flow deflector, that is opposite to the first end of the first flow deflector, is inclined in a first inclination direction away from the turbulence plate. A first end of the second flow deflector is connected to the turbulence plate, and a second end of the second flow deflector, that is opposite to the first end of the first flow deflector, is inclined in a second inclination direction away from the turbulence plate. The second inclination direction is opposite to the first inclination direction.

What is claimed is: 
     
         1 . A turbulence generator comprising:
 a turbulence plate;   a first flow deflector arranged at the turbulence plate, a first end of the first flow deflector being connected to the turbulence plate, and a second end of the first flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a first inclination direction away from the turbulence plate; and   a second flow deflector arranged at the turbulence plate, a first end of the second flow deflector being connected to the turbulence plate, and a second end of the second flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a second inclination direction away from the turbulence plate;   wherein the second inclination direction is opposite to the first inclination direction.   
     
     
         2 . The turbulence generator according to  claim 1 , wherein:
 the first flow deflector is one of a plurality of first flow deflectors arranged at intervals in a longitudinal direction of the turbulence plate; and   the second flow deflector is one of a plurality of second flow deflectors arranged at intervals in the longitudinal direction of the turbulence plate.   
     
     
         3 . The turbulence generator according to  claim 2 , wherein in the longitudinal direction of the turbulence plate, the plurality of first flow deflectors are offset from the plurality of second flow deflectors. 
     
     
         4 . The turbulence generator according to  claim 2 , wherein:
 the turbulence plate has a first side and a second side that are opposite to each other; and   at least one of the first side and the second side is provided with the plurality of first flow deflectors.   
     
     
         5 . The turbulence generator according to  claim 2 , wherein:
 the turbulence plate has a first side and a second side that are opposite to each other; and   at least one of the first side and the second side is provided with the plurality of second flow deflectors.   
     
     
         6 . The turbulence generator according to  claim 2 , wherein:
 the turbulence plate has a first side and a second side that are opposite to each other; and   the plurality of first flow deflectors and the plurality of second flow deflectors are arranged at both the first side and the second side.   
     
     
         7 . The turbulence generator according to  claim 6 , wherein in the longitudinal direction of the turbulence plate, first flow deflectors, arranged at the first side, of the plurality of first flow deflectors alternate with and are spaced apart from first flow deflectors, arranged at the second side, of the plurality of first flow deflectors. 
     
     
         8 . The turbulence generator according to  claim 6 , wherein in the longitudinal direction of the turbulence plate, second flow deflectors, arranged at the first side, of the plurality of second flow deflectors alternate with and are spaced apart from second flow deflectors, arranged at the second side, of the plurality of second flow deflectors. 
     
     
         9 . The turbulence generator according to  claim 6 , wherein in the longitudinal direction of the turbulence plate, first flow deflectors, arranged at the first side, of the plurality of first flow deflectors alternate with and are spaced apart from second flow deflectors, arranged at the first side, of the plurality of second flow deflectors. 
     
     
         10 . The turbulence generator according to  claim 6 , wherein in the longitudinal direction of the turbulence plate, first flow deflectors, arranged at the second side, of the plurality of first flow deflectors alternate with and are spaced apart from second flow deflectors, arranged at the second side, of the plurality of second flow deflectors. 
     
     
         11 . The turbulence generator according to  claim 6 , wherein the turbulence plate has a plurality of through openings each having two opposite ends, at least one of the plurality of first flow deflectors is arranged at one end of each of the plurality of through openings, and at least one of the plurality of second flow deflectors is arranged at another end of each of the plurality of through openings. 
     
     
         12 . The turbulence generator according to  claim 11 , wherein:
 the plurality of through openings are arranged at intervals in the longitudinal direction of the turbulence plate; and   an interval between two adjacent through openings of the plurality of through openings is greater than or equal to 4.0 mm.   
     
     
         13 . The turbulence generator according to  claim 1 , wherein an angle between the first flow deflector and the turbulence plate greater than 30° and smaller than 80°. 
     
     
         14 . The turbulence generator according to  claim 1 , wherein an angle between the second flow deflector and the turbulence plate is greater than 30° and smaller than 80°. 
     
     
         15 . The turbulence generator according to  claim 1 , wherein:
 the turbulence plate is provided with two bent portions each extending in a longitudinal direction of the turbulence plate; and   in a lateral direction of the turbulence plate, the first flow deflector and the second flow deflector are arranged between the two bent portions.   
     
     
         16 . A heat exchanger comprising:
 a heat exchange tube; and   a turbulence generator arranged in the heat exchange tube and including:
 a turbulence plate extending in a longitudinal direction of the heat exchange tube; 
 a first flow deflector disposed at the turbulence plate, a first end of the first flow deflector being connected to the turbulence plate, and a second end of the first flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a first inclination direction away from the turbulence plate; and 
 a second flow deflector disposed at the turbulence plate, a first end of the second flow deflector being connected to the turbulence plate, and a second end of the second flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a second inclination direction away from the turbulence plate; 
 wherein the second inclination direction is opposite to the first inclination direction. 
   
     
     
         17 . The heat exchanger according to  claim 16 , wherein:
 the first flow deflector is one of a plurality of first flow deflectors arranged at intervals in a longitudinal direction of the turbulence plate; and   the second flow deflector is one of a plurality of second flow deflectors arranged at intervals in the longitudinal direction of the turbulence plate.   
     
     
         18 . The heat exchanger according to  claim 17 , wherein in the longitudinal direction of the turbulence plate, the plurality of first flow deflectors are offset from the plurality of second flow deflectors. 
     
     
         19 . The heat exchanger according to  claim 17 , wherein:
 the turbulence plate has a first side and a second side that are opposite to each other; and   at least one of the first side and the second side is provided with the plurality of first flow deflectors.   
     
     
         20 . A water heater comprising a heat exchanger including:
 a heat exchange tube; and   a turbulence generator arranged in the heat exchange tube and including:
 a turbulence plate extending in a longitudinal direction of the heat exchange tube; 
 a first flow deflector disposed at the turbulence plate, a first end of the first flow deflector being connected to the turbulence plate, and a second end of the first flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a first inclination direction away from the turbulence plate; and 
 a second flow deflector disposed at the turbulence plate, a first end of the second flow deflector being connected to the turbulence plate, and a second end of the second flow deflector, that is opposite to the first end of the first flow deflector, being inclined in a second inclination direction away from the turbulence plate; 
 wherein the second inclination direction is opposite to the first inclination direction.