Heat-generating assembly and water heater

Abstract

A heat-generating assembly includes: a plurality of heat-generating pipes, a water inlet pipe and a water outlet pipe. The plurality of heat-generating pipes are disposed in a first direction. The heat-generating pipe is disposed in a second direction. The heat-generating pipe has a first water inlet and a first water outlet. The water inlet pipe is in communication with the first water inlet. The water outlet pipe includes a transition portion, a bend portion, and a water outlet portion which are connected in sequence. An end of the transition portion away from the bend portion is in communication with the first water outlet. The bend portion is disposed along a third direction. The first direction, the second direction and a third direction are perpendicular to one another.

What is claimed is: 
     
         1 . A heat-generating assembly, comprising:
 a plurality of heat-generating pipes, disposed along a first direction and having a first water inlet and a first water outlet;   a water inlet pipe in communication with the first water inlet; and   a water outlet pipe, comprising a transition portion, a bend portion, and a water outlet portion which are connected in sequence, an end of the transition portion away from the bend portion being in communication with the first water outlet;   wherein a plane on which an axis of the bend portion is located is perpendicular to a plane on which both the first direction and a second direction are located, the second direction being a length direction of the heat-generating pipe.   
     
     
         2 . The heat-generating assembly according to  claim 1 , wherein at least one portion of the bend portion is located above the heat-generating pipe. 
     
     
         3 . The heat-generating assembly according to  claim 1 , wherein, the first water outlets of the plurality of heat-generating pipes are sequentially in communication with one another, the transition portion being directly in communication with the first water outlet of one of the plurality of heat-generating pipes and being extended along the first direction. 
     
     
         4 . The heat-generating assembly according to  claim 1 , wherein, the bend portion comprises a first connection section, a second connection section, and a third connection section which are connected in sequence, an end of the first connection section away from the second connection section being in communication with the transition portion, an end of the third connection section away from the second connection section being in communication with the water outlet portion; and
 the first connection section and the third connection section are disposed at an interval in a third direction, the third direction, the first direction, and the second direction being perpendicular to one another.   
     
     
         5 . The heat-generating assembly according to  claim 4 , wherein, the second connection section is located above the heat-generating pipe, and wherein the first connection section and the third connection section are both located below the second connection section. 
     
     
         6 . The heat-generating assembly according to  claim 4 , wherein projections of the first connection section and the third connection section on a plane, on which both the first direction and the second direction are located, overlap. 
     
     
         7 . The heat-generating assembly according to  claim 1 , wherein the water outlet portion comprises a transition section and a water outlet section, the bend portion being in communication with the water outlet section through the transition section, the transition section being inclined, the water outlet section being located below the first connection section. 
     
     
         8 . The heat-generating assembly according to  claim 7 , wherein a connection portion between the transition section and the bend portion forms a first inflection point, and wherein a connection portion between the transition section and the water outlet section forms a second inflection point. 
     
     
         9 . The heat-generating assembly according to  claim 7 , wherein a projection of the water outlet section on a plane, on which both the second direction and the third direction are located, falls within a projection of the heat-generating pipe on the plane, on which both the second direction and the third direction are located. 
     
     
         10 . The heat-generating assembly according to  claim 1 , wherein cross-sections of the water outlet pipe and the heat-generating pipe are both circular, and wherein a diameter of the water outlet pipe is smaller than a radius of the heat-generating pipe. 
     
     
         11 . The heat-generating assembly according to  claim 1 , wherein the first water inlets of various heat-generating pipes are all in communication with the water inlet pipe, and wherein the first water outlets of various heat-generating pipes are all in communication with the water outlet pipe. 
     
     
         12 . The heat-generating assembly according to  claim 11 , further comprising a first connection pipe, the water inlet pipe having a second water inlet and a second water outlet, the second water outlet being in communication with the first water inlet through the first connection pipe; and
 open areas of the water inlet pipe decrease sequentially along a direction away from the second water inlet.   
     
     
         13 . The heat-generating assembly according to  claim 12 , wherein the plurality of second water outlets are located at a same height. 
     
     
         14 . The heat-generating assembly according to  claim 1 , wherein the first water outlets of the plurality of heat-generating pipes are sequentially connected and in communication with one another, and wherein the first water outlet of one of the plurality of the heat-generating pipes is in communication with the water outlet pipe. 
     
     
         15 . The heat-generating assembly according to  claim 1 , wherein the first water inlet is located at a bottom of the heat-generating pipe, the first water outlet being located at a top of the heat-generating pipe, at least one portion of the bend portion being located above the heat-generating pipe. 
     
     
         16 . A water heater, comprising a heat-generating assembly which comprises:
 a plurality of heat-generating pipes, disposed along a first direction and having a first water inlet and a first water outlet;   a water inlet pipe in communication with the first water inlet; and   a water outlet pipe, comprising a transition portion, a bend portion, and a water outlet portion which are connected in sequence, an end of the transition portion away from the bend portion being in communication with the first water outlet;   wherein a plane on which an axis of the bend portion is located is perpendicular to a plane on which both the first direction and a second direction are located, the second direction being a length direction of the heat-generating pipe.