Fixing structure and insertion-plate-type heat exchanger having same

Abstract

A fixing structure and an insertion-plate-type heat exchanger having the fixing structure are provided. The fixing structure is applied to the insertion-plate-type heat exchanger and includes a plurality of heat exchanger tubes and insertion plates, the heat exchanger tubes are inserted into the insertion plates along a direction perpendicular to an extending direction of each of the insertion plates, and the fixing structure is located on a side surface and/or an end surface of the insertion-plate-type heat exchanger. The fixing structure includes a first fixing portion and a second fixing portion connected to each other, the first fixing portion is fixedly connected to the heat exchanger tubes, and the second fixing structure is fixedly connected to an external machine. The insertion-plate-type heat exchanger includes the fixing structure.

What is claimed is: 
     
         1 . A fixing structure applied to an insertion-plate-type heat exchanger, wherein the insertion-plate-type heat exchanger comprises a plurality of heat exchanger tubes and a plurality of insertion plates, the plurality of heat exchanger tubes are inserted into the plurality of insertion plates along a direction perpendicular to an extending direction of each of the plurality of insertion plates, the fixing structure is located on a side surface and/or an end surface of the insertion-plate-type heat exchanger; and the fixing structure comprises a first fixing portion and a second fixing portion connected to each other, the first fixing portion is fixedly connected to the plurality of heat exchanger tubes, and the second fixing portion extends along a direction away from the first fixing portion. 
     
     
         2 . The fixing structure of  claim 1 , wherein the fixing structure is located on the side surface and the end surface of the insertion-plate-type heat exchanger, the fixing structure comprises a side plate and an end plate, the side plate extends along a length direction of each of the plurality of insertion plates and is connected to the side surface of the insertion-plate-type heat exchanger, the end plate extends along a length direction of each of the plurality of heat exchanger tubes and is connected to the end surface of the insertion-plate-type heat exchanger, and the side plate and the end plate are an integral structure. 
     
     
         3 . The fixing structure of  claim 2 , wherein the number of the side plate is one, the number of the end plate is one;
 or the number of the side plate is two, the number of the end plate is one;   or the number of the side plate is one, the number of the end plate is two;   or the number of the side plate is two, the number of the end plate is two.   
     
     
         4 . The fixing structure of  claim 1 , wherein the fixing structure is located on the side surface of the insertion-plate-type heat exchanger, the fixing structure comprises a side plate, the side plate extends along a length direction of each of the plurality of insertion plates and is located on the side surface of the insertion-plate-type heat exchanger, the side plate is provided with a plurality of inserting holes corresponding to the plurality of heat exchanger tubes, and the plurality of heat exchanger tubes are inserted into the plurality of inserting holes. 
     
     
         5 . The fixing structure of  claim 4 , wherein the side plate is provided with a plurality of inserting holes corresponding to the plurality of heat exchanger tubes, the plurality of heat exchanger tubes are inserted into the plurality of inserting holes; and
 the side plate is further provided with a first edge portion, at least one of the plurality of inserting holes passes through the first edge portion to define an opening.   
     
     
         6 . The fixing structure of  claim 5 , wherein along a direction of each of plurality of the heat exchanger tubes inserted into one of the plurality of inserting holes, sizes of at least two of the plurality of inserting holes are different. 
     
     
         7 . The fixing structure of  claim 5 , wherein a size of the opening is greater than a size of an end of the at least one of the plurality of inserting holes away from the first edge portion. 
     
     
         8 . The fixing structure of  claim 4 , wherein the side plate is provided with a plurality of inserting holes corresponding to the plurality of heat exchanger tubes, the plurality of heat exchanger tubes are inserted into the plurality of inserting holes; and
 two sides of the side plate comprise a first edge portion and a second edge portion, respectively, a side wall of each of the plurality of inserting holes is spaced from the first edge portion and the second edge portion.   
     
     
         9 . The fixing structure of  claim 4 , wherein the side plate is provided with a plurality of inserting holes corresponding to the plurality of heat exchanger tubes, the plurality of heat exchanger tubes are inserted into the plurality of inserting holes; and
 two sides of the side plate comprise a first edge portion and a second edge portion, respectively, each of the plurality of inserting holes comprises a first inserting hole and a second inserting hole, the first inserting hole passes through the first edge portion and/or the second edge portion to define an opening, a side wall of the second inserting hole is spaced from the first edge portion and the second edge portion.   
     
     
         10 . The fixing structure of  claim 2 , wherein the first fixing portion and the second fixing portion are disposed in the side plate and/or the end plate, and the second fixing portion is bent relative to the first fixing portion. 
     
     
         11 . The fixing structure of  claim 1 , wherein the second fixing portion is provided with an installing hole, and the installing hole is configured for allowing the external machine to be fixedly connected to the second fixing portion through the installing hole. 
     
     
         12 . The fixing structure of  claim 4 , wherein the number of the side plate located on the same side of the insertion-plate-type heat exchanger is multiple, a connecting component is disposed between adjacent two of a plurality of side plates, the connecting component comprises a connecting plate and a fastener, two ends of the connecting plate are connected to the adjacent two of the plurality of side plates, respectively, the fastener penetrates through the connecting plate and the corresponding side plate to connect the connecting plate and the corresponding side plate. 
     
     
         13 . An insertion-plate-type heat exchanger comprising a plurality of heat exchanger tubes, a plurality of insertion plates and a fixing structure,
 wherein the plurality of heat exchanger tubes are inserted into the plurality of insertion plates along a direction perpendicular to an extending direction of each of the plurality of insertion plates, the fixing structure is located on a side surface and/or an end surface of the insertion-plate-type heat exchanger; and   the fixing structure comprises a first fixing portion and a second fixing portion connected to each other, the first fixing portion is fixedly connected to the plurality of heat exchanger tubes, and the second fixing portion is fixedly connected to an external machine.   
     
     
         14 . The insertion-plate-type heat exchanger of  claim 13 , wherein the fixing structure comprises a side plate connected to the side surface of the insertion-plate-type heat exchanger, the insertion-plate-type heat exchanger further comprises a middle plate, the middle plate is disposed between two side surfaces of the insertion-plate-type heat exchanger, and a distance between the middle plate and the side plate is in a range of 250 mm to 900 mm. 
     
     
         15 . The insertion-plate-type heat exchanger of  claim 14 , wherein the number of the middle plate is multiple, and a distance between adjacent two of a plurality of middle plates is in a range of 250 mm to 900 mm.