Liquid distributor and heat exchanger

Abstract

A liquid distributor and a heat exchanger are provided. The liquid distributor includes a sleeve, a distribution structure, and a turbulence plate. The sleeve is in communication with heat exchange tubes. The distribution structure is located inside the sleeve and connected to the sleeve, and the distribution structure can divide the interior of the sleeve into at least a first chamber and a second chamber which are in communication with each other. The first chamber is located at a side of the distribution structure away from the heat exchange tubes, and the second chamber is located at a side of the distribution structure proximal to the heat exchange tubes. The turbulence plate is located in the second chamber, connected to the sleeve, and spaced apart from the distribution structure. The heat exchange tubes are partly inserted into the turbulence plate and are in communication with the second chamber.

What is claimed is: 
     
         1 . A liquid distributor, comprising a sleeve, a distribution structure, and a turbulence plate,
 wherein the sleeve is configured to be in communication with a plurality of heat exchange tubes;   the distribution structure is located inside the sleeve and is connected to the sleeve, the distribution structure is capable of dividing the interior of the sleeve into at least a first chamber and a second chamber in communication with each other, the first chamber is located at a side of the distribution structure away from the plurality of heat exchange tubes, and the second chamber is located at a side of the distribution structure proximal to the plurality of heat exchange tubes; and   the turbulence plate is located in the second chamber and is connected to the sleeve, the turbulence plate is spaced apart from the distribution structure, and the plurality of heat exchange tubes are partly inserted into the turbulence plate and are in communication with the second chamber.   
     
     
         2 . The liquid distributor of  claim 1 , wherein the turbulence plate is provided with a plurality of turbulence holes matched with shapes of the plurality of heat exchange tubes, each of the plurality of heat exchange tubes extends into corresponding one of the plurality of turbulence holes, and a length of each of the plurality of heat exchange tubes that extends into the corresponding one of the plurality of turbulence holes is less than a depth of the turbulence hole; or, an end of each of the plurality of heat exchange tubes that extends into the corresponding one of the plurality of turbulence holes is flush with a side surface of the turbulence plate proximal to the distribution structure. 
     
     
         3 . The liquid distributor of  claim 1 , wherein a shape of the distribution structure is a plate, and the distribution structure is provided with a plurality of distribution holes for communicating the first chamber with the second chamber. 
     
     
         4 . The liquid distributor of  claim 3 , wherein the plurality of distribution holes are spaced along a length direction of the distribution structure, or the plurality of distribution holes are arranged in a matrix manner. 
     
     
         5 . The liquid distributor of  claim 3 , wherein each of the plurality of distribution holes are in a circular shape or a polygonal shape. 
     
     
         6 . The liquid distributor of  claim 3 , wherein each of the plurality of distribution holes are in a circular shape, and a radius of each of the plurality of distribution holes is defined as R 1 , and the radius R 1  of each of the plurality of distribution holes satisfies the following formula: 0.5 mm≤R 1 ≤2 mm. 
     
     
         7 . The liquid distributor of  claim 1 , wherein the distribution structure comprises a plurality of padding members, the plurality of padding members are distributed sequentially along a length direction and a width direction of the turbulence plate, and adjacent two of the plurality of padding members are connected with each other, so that a plate structure is defined by the plurality of padding members; and
 at least one liquid homogenizing hole for communicating the first chamber with the second chamber is formed among the plurality of padding members.   
     
     
         8 . The liquid distributor of  claim 7 , wherein the plurality of padding members are arranged in a matrix manner; or
 along the length direction of the turbulence plate, the plurality of padding members are divided into multiple rows, and the plurality of padding members in adjacent two of multiple rows are arranged in a staggered manner.   
     
     
         9 . The liquid distributor of  claim 7 , wherein each of the plurality of padding members is a rotating body or a polyhedron. 
     
     
         10 . The liquid distributor of  claim 9 , wherein the plurality of padding members are in a spherical shape, and a radius of each of the plurality of padding members is defined as R 2 , and the radius R 2  of each of the plurality of padding members satisfies the following formula: 0.5 mm≤R 2 ≤3 mm. 
     
     
         11 . The liquid distributor of  claim 1 , wherein the distribution structure comprises a distribution plate and a plurality of padding members,
 the distribution plate is provided with a plurality of distribution holes for communicating the first chamber with the second chamber; and   the plurality of padding members are located in either or both of the first chamber and the second chamber, and the plurality of padding members are connected to the distribution plate.   
     
     
         12 . The liquid distributor of  claim 11 , wherein the plurality of padding members are distributed sequentially along a length direction and a width direction of the distribution plate, and adjacent two of the plurality of padding members are connected with each other, so that a plate structure is defined by the plurality of padding members; and
 at least one liquid homogenizing hole is formed among the plurality of padding members.   
     
     
         13 . The liquid distributor of  claim 12 , wherein the plurality of padding members are arranged in a matrix manner; or
 along the length direction of the distribution plate, the plurality of padding members are divided into multiple rows, and the plurality of padding members in adjacent two of multiple rows are arranged in a staggered manner.   
     
     
         14 . The liquid distributor of  claim 11 , wherein the turbulence plate is provided with a plurality of turbulence holes matched with shapes of the plurality of heat exchange tubes, the plurality of turbulence holes are disposed at intervals along a length direction of the turbulence plate, the plurality of distribution holes are disposed at intervals along a length direction of the distribution plate, and an axis of each of the plurality of turbulence holes is overlapped with an axis of each of the plurality of distribution holes, respectively. 
     
     
         15 . The liquid distributor of  claim 11 , wherein the turbulence plate is provided with a plurality of turbulence holes matched with shapes of the plurality of heat exchange tubes, and a cross-sectional area of each of the plurality of turbulence holes is greater than that of each of the plurality of distribution holes. 
     
     
         16 . A heat exchanger, comprising the liquid distributor of  claim 1 , a plurality of fins, and the plurality of heat exchange tubes,
 wherein the plurality of fins are disposed at intervals and in parallel; and   the plurality of heat exchange tubes penetrate the plurality of fins, respectively, and an end of each of the plurality of heat exchange tubes is in communication with the liquid distributor.   
     
     
         17 . The heat exchanger of  claim 16 , wherein the turbulence plate is provided with a plurality of turbulence holes matched with shapes of the plurality of heat exchange tubes, each of the plurality of heat exchange tubes extends into corresponding one of the plurality of turbulence holes, and a length of each of the plurality of heat exchange tubes that extends into the corresponding one of the plurality of turbulence holes is less than a depth of the turbulence hole; or, an end of each of the plurality of heat exchange tubes that extends into the corresponding one of the plurality of turbulence holes is flush with a side surface of the turbulence plate proximal to the distribution structure. 
     
     
         18 . The heat exchanger of  claim 16 , wherein a shape of the distribution structure is a plate, and the distribution structure is provided with a plurality of distribution holes for communicating the first chamber with the second chamber. 
     
     
         19 . The heat exchanger of  claim 16 , wherein the distribution structure comprises a plurality of padding members, the plurality of padding members are distributed sequentially along a length direction and a width direction of the turbulence plate, and adjacent two of the plurality of padding members are connected with each other, so that a plate structure is defined by the plurality of padding members; and
 at least one liquid homogenizing hole for communicating the first chamber with the second chamber is formed among the plurality of padding members.   
     
     
         20 . The heat exchanger of  claim 16 , wherein the distribution structure comprises a distribution plate and a plurality of padding members,
 the distribution plate is provided with a plurality of distribution holes for communicating the first chamber with the second chamber; and   the plurality of padding members are located in either or both of the first chamber and the second chamber, and the plurality of padding members are connected to the distribution plate.