Heat exchanger with two opposite airflows

Abstract

The application provides a heat exchanger with two opposite airflows, comprises a first partition plate, a fin plate and a second partition plate which are stacked. the fin plate is bent to form a plurality of first peaks and first troughs on the front surface and a plurality of second peaks and second troughs on the back surface; the first peaks are connected to the first partition plate, and the first troughs and the first partition plate define a plurality of first channel for passing gas, the first partition plate is provided with a first through hole communicating with the first channels; the second peaks are connected to the second partition plate, and the second troughs and the second partition plate define a plurality of second channels for passing gas, the second partition plate is provided with a second through hole communicating with the second channels.

What is claimed is: 
     
         1 . A heat exchanger with two opposite airflows, wherein comprises
 a first partition plate ( 1 ), a fin plate ( 3 ) and a second partition plate ( 2 ) which are stacked, the first partition plate ( 1 ) and the second partition plate ( 2 ) are arranged at intervals, the fin plate ( 3 ) is arranged between the first partition plate ( 1 ) and the second partition plate ( 2 ), and the fin plate ( 3 ) is bent to form a plurality of first peaks ( 311 ) and a plurality of first troughs ( 312 ) on the front surface and a plurality of second peaks ( 321 ) and second troughs ( 322 ) on the back surface;   the first peaks ( 311 ) of the fin plate ( 3 ) are connected to the first partition plate ( 1 ), and the first troughs ( 312 ) and the first partition plate ( 1 ) define a plurality of first channels (A) for gas to pass through, a first channel (A) comprises an opening communicating with the outside between the first partition plate ( 1 ) and the second partition plate ( 2 ), the first partition plate ( 1 ) is provided with a first through hole ( 11 ) communicating with the first channels (A);   the second peak ( 321 ) of the fin ( 3 ) are connected to the second partition plate ( 2 ), and the second troughs ( 322 ) and the second partition plate ( 2 ) define a plurality of second channels (B) for gas to pass through, a second channel (B) comprises an opening communicating with the outside between the first partition plate ( 1 ) and the second partition plate ( 2 ), the second partition plate ( 2 ) is provided with a second through hole ( 21 ) communicating with the second channels (B);   the first through hole ( 11 ) and the second through hole ( 21 ) are respectively arranged on opposite sides of the heat exchanger.   
     
     
         2 . The heat exchanger according to  claim 1 , wherein the opening direction of the first through hole ( 11 ) is not parallel to the direction of the first channels (A). 
     
     
         3 . The heat exchanger according to  claim 1 , wherein the opening direction of the second through hole ( 21 ) is not parallel to the direction of the second channels (B). 
     
     
         4 . The heat exchanger according to  claim 1 , wherein the first through hole ( 11 ) spans a plurality of first troughs ( 312 ) and communicates with a plurality of first channels (A) at the same time. 
     
     
         5 . The heat exchanger according to  claim 1 , wherein the second through hole ( 21 ) spans a plurality of second troughs ( 322 ) and communicates with a plurality of second channels (B) at the same time. 
     
     
         6 . The heat exchanger according to  claim 1 , wherein, the fin plate ( 3 ) comprises a first side ( 41 ) and a second side ( 42 ) opposite to the first side ( 41 ), the first channels (A) and the second channels (B) lead from the first side ( 41 ) to the second side ( 42 ) of the fin plate ( 3 ), the first through hole ( 11 ) is set at a position close to the first side ( 41 ) of the fin plate ( 3 ) and away from the second side ( 42 ), and the second through hole ( 21 ) is set at a position close to the second side ( 42 ) of the fin plate ( 3 ) and away from the first side ( 41 ). 
     
     
         7 . The heat exchanger according to  claim 1 , wherein the second troughs ( 322 ) are open at the edge of the fin plate ( 3 ) and define with the second partition plate ( 2 ) an opening communicating with the outside between the second partition plate ( 2 ) and the second partition plate ( 2 ). 
     
     
         8 . The heat exchanger according to the  claim 7 , wherein the fin plate ( 3 ) is bent into a wave shape, and the opposite side of the first troughs ( 312 ) are the second peaks ( 321 ), the opposite side of the first peaks ( 311 ) are the second troughs ( 322 ). 
     
     
         9 . The heat exchanger according to  claim 8 , wherein the first channels (A) and the second channels (B) are arranged alternately. 
     
     
         10 . The heat exchanger according to  claim 2 , wherein, the fin plate ( 3 ) comprises a first side ( 41 ) and a second side ( 42 ) opposite to the first side ( 41 ), the first channels (A) and the second channels (B) lead from the first side ( 41 ) to the second side ( 42 ) of the fin plate ( 3 ), the first through hole ( 11 ) is set at a position close to the first side ( 41 ) of the fin plate ( 3 ) and away from the second side ( 42 ), and the second through hole ( 21 ) is set at a position close to the second side ( 42 ) of the fin plate ( 3 ) and away from the first side ( 41 ). 
     
     
         11 . The heat exchanger according to  claim 3 , wherein, the fin plate ( 3 ) comprises a first side ( 41 ) and a second side ( 42 ) opposite to the first side ( 41 ), the first channels (A) and the second channels (B) lead from the first side ( 41 ) to the second side ( 42 ) of the fin plate ( 3 ), the first through hole ( 11 ) is set at a position close to the first side ( 41 ) of the fin plate ( 3 ) and away from the second side ( 42 ), and the second through hole ( 21 ) is set at a position close to the second side ( 42 ) of the fin plate ( 3 ) and away from the first side ( 41 ). 
     
     
         12 . The heat exchanger according to  claim 4 , wherein, the fin plate ( 3 ) comprises a first side ( 41 ) and a second side ( 42 ) opposite to the first side ( 41 ), the first channels (A) and the second channels (B) lead from the first side ( 41 ) to the second side ( 42 ) of the fin plate ( 3 ), the first through hole ( 11 ) is set at a position close to the first side ( 41 ) of the fin plate ( 3 ) and away from the second side ( 42 ), and the second through hole ( 21 ) is set at a position close to the second side ( 42 ) of the fin plate ( 3 ) and away from the first side ( 41 ). 
     
     
         13 . The heat exchanger according to  claim 5 , wherein, the fin plate ( 3 ) comprises a first side ( 41 ) and a second side ( 42 ) opposite to the first side ( 41 ), the first channels (A) and the second channels (B) lead from the first side ( 41 ) to the second side ( 42 ) of the fin plate ( 3 ), the first through hole ( 11 ) is set at a position close to the first side ( 41 ) of the fin plate ( 3 ) and away from the second side ( 42 ), and the second through hole ( 21 ) is set at a position close to the second side ( 42 ) of the fin plate ( 3 ) and away from the first side ( 41 ).