Heat Exchanger Flat Tube and Heat Exchanger with Heat Exchanger Flat Tube

Abstract

Provided are a heat exchanger flat tube and a heat exchanger with the heat exchanger flat tube. The heat exchanger flat tube includes a first plate body and a second plate body. The second plate body is fastened to the first plate body. A liquid inlet portion, a throttle portion and a fluid channel are provided between the first plate body and the second plate body. The throttle portion is positioned between the liquid inlet portion and the fluid channel. The liquid inlet portion, the throttle portion and the fluid channel are all communicated. Liquid inside the liquid inlet portion is throttled through the throttle portion and flowed into the fluid channel.

What is claimed is: 
     
         1 . A heat exchanger flat tube, comprising a first plate body and a second plate body, the second plate body is fastened to the first plate body, a liquid inlet portion, a throttle portion and a fluid channel are provided between the first plate body and the second plate body, the throttle portion is positioned between the liquid inlet portion and the fluid channel, the liquid inlet portion, the throttle portion and the fluid channel are all communicated, liquid inside the liquid inlet portion is throttled through the throttle portion and flowed into the fluid channel. 
     
     
         2 . The heat exchanger flat tube according to  claim 1 , wherein the throttling portion comprises a first shrinkage groove installed on the first plate body, wherein a flow area of the first shrinkage groove is gradually decreased along a flow direction of the liquid. 
     
     
         3 . The heat exchanger flat tube according to  claim 2 , wherein the throttling portion further comprises a second shrinkage groove installed on the second plate body, wherein the second shrinkage groove is installed opposite to the first shrinkage groove, and a flow area of the second shrinkage groove is gradually decreased along the flow direction of the liquid. 
     
     
         4 . The heat exchanger flat tube according to  claim 1 , wherein the liquid inlet portion comprises a first protrusion, wherein the first protrusion is installed on the first plate body, the first protrusion is protruded to be installed along a direction away from the second plate body. 
     
     
         5 . The heat exchanger flat tube according to  claim 4 , wherein the liquid inlet portion further comprises a second protrusion, wherein the second protrusion is installed on the second plate body, the second protrusion is installed opposite to the first protrusion, and the second protrusion is protruded along a direction away from the first plate body. 
     
     
         6 . The heat exchanger flat tube according to  claim 5 , wherein the first protrusion and/or the second protrusion is provided with a liquid inlet, so that the liquid is delivered to the liquid inlet portion through the liquid inlet. 
     
     
         7 . The heat exchanger flat tube according to  claim 1 , wherein the heat exchanger flat tube further comprises a liquid outlet portion between the first plate body and the second plate body, wherein the liquid outlet portion is installed at an end, away from the throttle portion, of the fluid channel, so that a liquid in the fluid channel is discharged through the liquid outlet portion. 
     
     
         8 . The heat exchanger flat tube according to  claim 7 , wherein the liquid outlet portion comprises a third protrusion, wherein the third protrusion is installed on the first plate body, and the third protrusion is protruded to be installed along a direction away from the second plate body. 
     
     
         9 . The heat exchanger flat tube according to  claim 8 , wherein the liquid outlet portion further comprises a fourth protrusion, wherein the fourth protrusion is installed on the second plate body, the fourth protrusion is installed opposite to the third protrusion, and the fourth protrusion is protruded to be installed along a direction away from the first plate body. 
     
     
         10 . The heat exchanger flat tube according to  claim 9 , wherein the third protrusion and/or the fourth protrusion is provided with a liquid outlet, so that a liquid inside the liquid outlet portion is discharged through the liquid outlet. 
     
     
         11 . The heat exchanger flat tube according to  claim 7 , wherein the liquid inlet portion and/or the liquid outlet portion is provided with a plug-in portion, and the plug-in portion is used for connecting with a part to be connected. 
     
     
         12 . The heat exchanger flat tube according to  claim 11 , wherein the plug-in portion comprises a flange, wherein the flange is installed at a side, away from the second plate body, of the first plate body; and the second plate body is provided with an opening, and the opening is installed corresponding to the flange. 
     
     
         13 . The heat exchanger flat tube according to  claim 1 , wherein the fluid channel is internally provided with a turbulence structure, so that a liquid in the fluid channel is turbulated through the turbulence structure. 
     
     
         14 . The heat exchanger flat tube according to  claim 13 , wherein the turbulence structure comprises a convex hull; wherein
 the first plate body is provided with the convex hull, the convex hull is protruded to be installed in a direction adjacent to the second plate body; and/or   the second plate body is provided with the convex hull, the convex hull is protruded to be installed in a direction adjacent to the first plate body.   
     
     
         15 . The heat exchanger flat tube according to  claim 14 , wherein the convex hull comprises a truncated cone structure. 
     
     
         16 . A heat exchanger, comprising a plurality of heat exchanger flat tubes, the plurality of heat exchanger flat tubes are installed at intervals, liquid inlet portions of the plurality of heat exchanger flat tubes are all communicated to form a liquid inlet cavity, and the heat exchanger flat tube is the heat exchanger flat tube according to  claim 1 . 
     
     
         17 . The heat exchanger according to  claim 16 , wherein the heat exchanger flat tube is the heat exchanger flat tube in  claim 11 , and a plug-in portion of one heat exchanger flat tube in the plurality of heat exchanger flat tubes is inserted into another heat exchanger flat tube in the plurality of heat exchanger flat tubes, so that two neighboring heat exchanger flat tubes in the plurality of heat exchanger flat tubes are connected through the plug-in portion of the heat exchanger flat tube. 
     
     
         18 . The heat exchanger according to  claim 16 , wherein the throttling portion comprises a first shrinkage groove installed on the first plate body, wherein a flow area of the first shrinkage groove is gradually decreased along a flow direction of the liquid. 
     
     
         19 . The heat exchanger according to  claim 18 , wherein the throttling portion further comprises a second shrinkage groove installed on the second plate body, wherein the second shrinkage groove is installed opposite to the first shrinkage groove, and a flow area of the second shrinkage groove is gradually decreased along the flow direction of the liquid. 
     
     
         20 . The heat exchanger according to  claim 16 , wherein the liquid inlet portion comprises a first protrusion, wherein the first protrusion is installed on the first plate body, the first protrusion is protruded to be installed along a direction away from the second plate body.