Hookah device with dual heating modules

Abstract

A hookah device with dual heating modules includes a housing, a heating module, a power supply module, and a tobacco bowl. The heating module includes a first heating module located at a top wall of the mounting cavity for and a second heating module surrounding the mounting cavity. The housing includes a lower shell having a mounting cavity and an upper shell mounting the first heating module. The tobacco bowl is accommodated in the mounting cavity, and is provided with air holes, the upper shell is cooperatively installed on the lower shell to seal the mounting cavity, and the housing is provided with an air inlet channel communicating the outside with the mounting cavity. The smoke-generating medium in the tobacco bowl can be heated at the both top wall and the side wall, thereby achieving fast heating speed, uniform heating, and a good user experience.

What is claimed is: 
     
         1 . A hookah device with dual heating modules, comprising a housing, a heating module, a power supply module, and a tobacco bowl;
 wherein the power supply module is configured to supply power to the heating module;   the heating module comprises a first heating module located at a top wall of the mounting cavity and a second heating module surrounding the mounting cavity laterally;   the housing comprises a lower shell having a mounting cavity and an upper shell mounting the first heating module;   the tobacco bowl is accommodated in the mounting cavity and is configured to contain a smoke-generating medium, and a bottom wall and a top wall of the tobacco bowl are each provided with a plurality of air holes, the upper shell is cooperatively installed on the lower shell to seal the mounting cavity, and the housing is provided with an air inlet channel communicating the outside with the mounting cavity;   wherein the first heating module is configured to heat the top wall to heat the smoke-generating medium in the tobacco bowl from the top wall, and the second heating module is configured to surround the mounting cavity and heat a side wall of the tobacco bowl to heat the smoke-generating medium in the tobacco bowl from the side wall.   
     
     
         2 . The hookah device with dual heating modules according to  claim 1 , wherein the first heating module is a resistive heating module comprising a resistive heating element, or the first heating module is an electromagnetic heating module comprising an electromagnetic heating part and an electromagnetic induction part, wherein the electromagnetic heating part emits a high-frequency electromagnetic signal to the electromagnetic induction part to cause the electromagnetic induction part of the first heating module to generate an eddy current effect and generate heat; the resistive heating element or the electromagnetic induction part of the first heating module is plate-shaped and forms a bottom wall of the upper shell; when the upper shell is cooperatively installed on the lower shell, the resistive heating element or the electromagnetic induction part of the first heating module contacts the top wall of the tobacco bowl; or,
 the top wall of the tobacco bowl comprises a metal top wall capable of being electromagnetically induced, the first heating module comprises an electromagnetic heating part, and the electromagnetic heating part of the first heating module emits a high-frequency electromagnetic signal to the metal top wall to cause the metal top wall to generate an eddy current effect and heat the smoke-generating medium in the tobacco bowl. 
 
     
     
         3 . The hookah device with dual heating modules according to  claim 1 , wherein the second heating module is a resistive heating module comprising a resistive heating element, or the second heating module is an electromagnetic heating module comprising an electromagnetic heating part and an electromagnetic induction part; the resistive heating element or the electromagnetic induction part of the second heating module is annular and forms a cavity wall of the mounting cavity; or,
 the side wall of the tobacco bowl comprises an annular metal wall capable of being electromagnetically induced, the second heating module comprises an electromagnetic heating part, and the electromagnetic heating part of the second heating module emits a high-frequency electromagnetic signal to the annular metal wall to cause the annular metal wall to generate an eddy current effect and heat the smoke-generating medium in the tobacco bowl.   
     
     
         4 . The hookah device with dual heating modules according to  claim 2 , wherein the resistive heating element is a thick film heating element, a thin film heating element, or a ceramic heating element. 
     
     
         5 . The hookah device with dual heating modules according to  claim 2 , wherein when the resistive heating element or the electromagnetic induction part of the first heating module is plate-shaped and forms the bottom wall of the upper shell, a side of the bottom wall of the upper shell away from the mounting cavity is further provided with a heat-resistant plate spaced apart from the bottom wall of the upper shell; the air inlet channel is formed between the bottom wall of the upper shell and the heat-resistant plate, and the bottom wall of the upper shell is provided with a plurality of air holes to communicate with the mounting cavity. 
     
     
         6 . The hookah device with dual heating modules according to  claim 1 , wherein the top wall of the tobacco bowl is recessed inward into the tobacco bowl to form a first recess, and a wall of the first recess is provided with a plurality of the air holes; when the upper shell is cooperatively installed on the lower shell, a bottom wall of the upper shell contacts the top wall of the tobacco bowl and forms a heating area with the first recess of the top wall, with the heating area communicating the air inlet channel with the air holes. 
     
     
         7 . The hookah device with dual heating modules according to  claim 6 , wherein a plurality of the first recesses which are annular are provided, and the plurality of the first recesses are arranged concentrically and spaced apart on the top wall of the tobacco bowl. 
     
     
         8 . The hookah device with dual heating modules according to  claim 6 , wherein a cross-section of the first recess is arc-shaped. 
     
     
         9 . The hookah device with dual heating modules according to  claim 1 , wherein the bottom wall of the tobacco bowl is recessed outward from the tobacco bowl to form a second recess which is annular, and a plurality of the second recesses are arranged concentrically and spaced apart on the bottom wall of the tobacco bowl. 
     
     
         10 . The hookah device with dual heating modules according to  claim 1 , wherein the tobacco bowl comprises a bowl body for accommodating the smoke-generating medium and a bowl cover covering an opening of the bowl body, the top wall is formed on the bowl cover, the bottom wall is formed on a bottom wall of the bowl body, and a handle is installed on the bowl cover. 
     
     
         11 . The hookah device with dual heating modules according to  claim 1 , further comprising a base support installed at a lower side of the mounting cavity of the lower shell and having a sealed air pipe communicating with the mounting cavity, wherein a buffer channel communicating a bottom wall of the accommodating cavity with the outside is further formed on the base support. 
     
     
         12 . The hookah device with dual heating modules according to  claim 1 , wherein an annular sealing sleeve is installed in the base support, the sealed air pipe is formed in the annular sealing sleeve, and the buffer channel is formed between the annular sealing sleeve and the base support. 
     
     
         13 . The hookah device with dual heating modules according to  claim 1 , further comprising a control circuit, wherein the upper shell is provided with a first temperature sensor for detecting a temperature of the first heating module or the tobacco bowl, the lower shell is provided with a second temperature sensor for detecting a temperature of the second heating module or the tobacco bowl; the control circuit is configured to control the first heating module to maintain a first temperature range based on a first temperature detected by the first temperature sensor, and control the second heating module to maintain a second temperature range based on a second temperature detected by the second temperature sensor, wherein the first temperature range is greater than the second temperature range. 
     
     
         14 . The hookah device with dual heating modules according to  claim 13 , wherein the first temperature range is 200-320° C., and the second temperature range is 100-200° C. 
     
     
         15 . The hookah device with dual heating modules according to  claim 1 , wherein the lower shell and the upper shell have a first annular wall and a second annular wall surrounding the mounting cavity on opposite sides thereof respectively; when the lower shell and the upper shell are cooperatively installed, the first annular wall is oppositely cooperated with the second annular wall to seal the mounting cavity. 
     
     
         16 . The hookah device with dual heating modules according to  claim 15 , further comprising an electrical connection assembly, the electrical connection assembly comprising an elastic probe installed on one of the first annular wall and the second annular wall, and a conductive block installed on the other of the first annular wall and the second annular wall and corresponding to the elastic probe; wherein when the lower shell and the upper shell are cooperatively installed, the elastic probe contacts the conductive block and is electrically connected to the conductive block, so that the second heating module is electrically connected to the power supply module through the electrical connection assembly. 
     
     
         17 . The hookah device with dual heating modules according to  claim 15 , wherein the first annular wall and/or the second annular wall is provided with a slot communicating an outer edge with an inner edge, a sealing member is arranged at a position offset from the slot; when the lower shell and the upper shell are cooperatively installed, the first annular wall and the second annular wall are in sealed contact via the sealing member, and an air inlet communicating with the air inlet channel is formed at the slot. 
     
     
         18 . The hookah device with dual heating modules according to  claim 15 , wherein the upper shell and the lower shell are relatively independent, and the first annular wall and the second annular wall are provided with magnetic components that are magnetically attracted to each other, so that the lower shell and the upper shell are relatively positioned and attracted to each other. 
     
     
         19 . The hookah device with dual heating modules according to  claim 18 , wherein the magnetic components comprise a plurality of first magnet blocks provided in the first annular wall and a plurality of second magnet blocks provided in the second annular wall; the plurality of first magnet blocks are arranged in the first annular wall at intervals around a center of the first annular wall and have opposite magnetic polarities, and the first magnet blocks with different magnetic polarities are arranged adjacent to each other; the plurality of second magnet blocks are arranged in the second annular wall at intervals around a center of the second annular wall and have opposite magnetic polarities, and the second magnet blocks with different magnetic polarities are arranged adjacent to each other; and opposite surfaces of the corresponding first magnet blocks and second magnet blocks have opposite magnetic polarities.