Heating assembly and water heater

Abstract

A heating assembly and a water heater are provided. The heating assembly includes multiple container bodies, the multiple container bodies being arranged in parallel, water flow cavities being provided in the container bodies, and a connecting pipe being provided between adjacent container bodies to communicate adjacent water flow cavities; a water inlet pipe separately connected to the multiple container bodies, the water inlet pipe being provided with multiple drainage holes, and each water flow cavity being communicated with the water inlet pipe by means of at least one drainage hole; a water outlet connected to one of the container bodies or the connecting pipe to discharge liquid in the water flow cavities; and multiple heating elements correspondingly connected to the multiple container bodies, respectively, and used for heating the liquid in the multiple water flow cavities.

1 . A heating assembly comprising:
 a plurality of cup bodies, arranged in parallel, wherein a water flow chamber is provided in each of the plurality of cup bodies, and a communicating pipe is arranged between adjacent cup bodies to communicate the adjacent water flow chambers;   a water inlet pipe, sequentially connected to the plurality of cup bodies, and provided with a plurality of drainage holes, wherein each of the water flow chambers is in communication with the water inlet pipe through at least one drainage hole;   a water outlet, connected to one of the plurality of cup bodies or one of the communicating pipes to discharge liquid in the water flow chambers; and   a plurality of heating elements, respectively connected to the plurality of cup bodies to heat the liquid in the water flow chambers.   
     
     
         2 . The heating assembly of  claim 1 , wherein the water inlet pipe comprises a diversion pipe segment, the plurality of drainage holes are arranged on the diversion pipe segment, a through hole is correspondingly provided in each of the plurality of cup bodies, and the diversion pipe segment sequentially passes the through holes on the plurality of cup bodies, such that the plurality of drainage holes are respectively located in the plurality of water flow chambers. 
     
     
         3 . The heating assembly of  claim 2 , wherein the drainage holes are formed on a wall of the diversion pipe segment, and each of the drainage holes is arranged facing a water outlet end of a corresponding cup body. 
     
     
         4 . The heating assembly of  claim 1 , wherein each of the plurality of cup bodies are integrally formed, one end of each of the plurality of cup bodies in a length direction of the cup body is a water inlet end, and the water inlet pipe is sequentially connected to the water inlet ends of the plurality of cup bodies. 
     
     
         5 . The heating assembly of  claim 2 , wherein the water inlet pipe comprises an extension pipe segment, one end of the extension pipe segment is connected to the diversion pipe segment, and the other end of the extension pipe segment extends in the length direction of the cup body. 
     
     
         6 . The heating assembly of  claim 5 , wherein the water inlet pipe comprises a bent pipe segment, one end of the bent pipe segment is connected to the extension pipe segment, and the other end of the bent pipe segment extends away from the cup body. 
     
     
         7 . The heating assembly according to  claim 6 , further comprising a water inlet joint, wherein the bent pipe segment is connected to the water inlet joint, and the water inlet joint is arranged parallel to or perpendicular to the cup body. 
     
     
         8 . The heating assembly of  claim 1 , wherein the water inlet pipe is connected to one end of each of the cup bodies in the length direction of the cup body, and the water outlet is connected to the other end of one of the cup bodies in the length direction. 
     
     
         9 . The heating assembly of  claim 1 , wherein the water inlet pipe is connected to a lower part of each of the cup bodies, and the water outlet is provided at an upper part of one of the cup bodies. 
     
     
         10 . The heating assembly of  claim 1 , wherein the communicating pipe is connected to an upper part of the cup body, and the communicating pipe and the plurality of cup bodies are integrally formed. 
     
     
         11 . The heating assembly of  claim 1 , wherein a height at which the water outlet is located on the cup body is greater than or equal to a height at which the communicating pipe is located on the cup body. 
     
     
         12 . The heating assembly of  claim 1 , wherein the water outlet and the cup body are integrally formed, and the water outlet is connected with a water outlet pipe or a water outlet joint. 
     
     
         13 . The heating assembly of  claim 1 , wherein each of the heating elements comprises a heating tube, and the heating tube is sealingly connected to an upper part of a corresponding cup body and is located in a water flow chamber. 
     
     
         14 . A water heater comprising a heating assembly and a controller,
 the heating assembly comprising:
 a plurality of cup bodies, arranged in parallel, wherein a water flow chamber is provided in each of the plurality of cup bodies, and a communicating pipe is arranged between adjacent cup bodies to communicate the adjacent water flow chambers; 
 a water inlet pipe, sequentially connected to the plurality of cup bodies, and provided with a plurality of drainage holes, wherein each of the water flow chambers is in communication with the water inlet pipe through at least one drainage hole; 
 a water outlet, connected to one of the plurality of cup bodies or one of the communicating pipes to discharge liquid in the water flow chambers; and 
 a plurality of heating elements, respectively connected to the plurality of cup bodies to heat the liquid in the water flow chambers, 
   wherein the plurality of heating elements are arranged in parallel and are respectively connected to the controller.   
     
     
         15 . The water heater of  claim 14 , further comprising a housing, the heating assembly is arranged in the housing, the water inlet pipe is connected with a water inlet joint, the water outlet is connected with a water outlet joint, and the water inlet joint and the water outlet joint are respectively arranged on two side walls of the housing. 
     
     
         16 . The water heater of  claim 15 , wherein the housing comprises a back shell, the heating assembly further comprises a mounting bracket configured to assemble the cup bodies, and the mounting bracket is fixed to the back shell. 
     
     
         17 . The water heater of  claim 14 , further comprising a plurality of temperature sensors connected to the controller to respectively detect temperatures in the plurality of water flow chambers. 
     
     
         18 . The water heater according to  claim 14 , further comprising silicon controlled rectifiers respectively configured to adjust heating power of the heating elements, wherein the silicon controlled rectifiers are arranged on an extension pipe segment of the water inlet pipe. 
     
     
         19 . The water heater of  claim 14 , wherein a flow sensor is arranged on the water inlet pipe, the flow sensor is connected to the controller, and the controller is configured to control heating power of each heating element according to a water inlet flow rate in the water inlet pipe and water inlet temperatures in the plurality of water flow chambers.