Heating device of electric heating water heater

By adopting a double-shell structure and airflow heating channel design in the water fume device, the problems of uneven heating of the fume, mixing of hot air and flue gas, and blockage of the inlet pipe are solved, achieving uniform heating and easy cleaning.

CN224140165UActive Publication Date: 2026-04-21周成华
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing hookah devices suffer from problems such as uneven heating of the tobacco, mixing of hot air and flue gas, easy clogging of the inlet pipe by the tobacco, and difficulty in cleaning.

Method used

It adopts a double-layer shell structure with gaps. The heating element is located in the airflow heating channel. Hot air enters from the outer wall away from the heating element, enters the smoke container through the inlet holes on the bottom or side wall, and enters the smoke inlet pipe through the smoke inlet in the central protrusion. Hot air inlet holes are provided on the bottom and side walls of the smoke container to ensure uniform heating and reduce interaction. The smoke inlet in the center is far away from the hot air inlet holes.

Benefits of technology

It achieves uniform heating of the tobacco, reduces heat loss, avoids mixing of hot air and smoke, protects the inlet pipe, improves the smoking experience, and simplifies the cleaning process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224140165U_ABST
Patent Text Reader

Abstract

The utility model provides a heating device of an electric hot water cigarette, which comprises a shell, a heating element and a cigarette material vessel detachably connected in an accommodating cavity of the shell, the shell comprises an outer wall, an inner wall and an airflow heating channel formed by a gap between the outer wall and the inner wall, the heating element is arranged in the airflow heating channel, and the heating element is arranged in the airflow heating channel. An air inlet is formed in the position, away from the heating element, of the outer wall of the airflow heating channel, a hot air outlet leading to the containing cavity is formed in the inner wall of the tail end of the airflow heating channel, and a hot air inlet hole for leading hot air into the tobacco material vessel is formed in the vessel wall of the tobacco material vessel. The center of the inner bottom face of the smoke material vessel protrudes inwards to form a center protruding part connected with the smoke inlet pipe, and a smoke inlet communicated with the smoke inlet pipe is formed in the highest position of the center protruding part. The structure that the smoke inlet is formed in the protruding height of the center of the smoke material vessel effectively avoids the situation that smoke materials fall into the smoke inlet, the smoke inlet pipe is well protected, and the problems of black spots of the water sump and the like are solved.
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Description

Technical Field

[0001] This utility model relates to a hookah device, specifically a hookah device that uses air-heated smoke to form an aerosol. Background Technology

[0002] Hookah heating pots use an electric heat source to directly heat the tobacco. By controlling the temperature, the effective substances in the tobacco can enter the gas, while avoiding the production of harmful substances such as carbon monoxide and ash. However, the tobacco in the hookah heating pot is prone to uneven heating, resulting in inefficient use of the tobacco. Some hookah devices use air to heat the tobacco, but the hot air enters from the top of the tobacco cup, which can easily lead to accidental burns to the operator. Furthermore, the hot air loses a lot of heat due to its long path within the container, and the aerosols generated by the hot air and tobacco in the tobacco cup can easily mix. Moreover, black spots often appear in the water tank of current electric hookahs during use; these are tobacco particles that have fallen in through the inlet pipe. Since the inlet pipe is an internal pipe, cleaning it is difficult. Simply installing a filter at the inlet of the inlet pipe obviously cannot solve the problem of fine tobacco particles contaminating the inlet pipe or causing black spots. Summary of the Invention

[0003] The purpose of this invention is to provide a heating device for electric hot water flue gas that provides stable heating and allows the flue gas generated by the flue gas to easily enter the flue gas inlet pipe.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a heating device for electric hot water flue gas, comprising a shell, a heating element, and a flue gas dish detachably connected to the cavity of the shell. The shell is a double-layer structure with a gap, that is, the shell includes an outer wall, an inner wall, and an airflow heating channel formed by the gap between the outer wall and the inner wall. The heating element is installed in the airflow heating channel. An air inlet is opened on the outer wall of the airflow heating channel away from the heating element. A hot air outlet leading to the cavity is opened on the inner wall at the end of the airflow heating channel. A hot air inlet hole is opened on the wall of the flue gas dish to introduce hot air into the flue gas dish. A central protrusion is formed inwardly at the center of the bottom surface of the flue gas dish and connected to the smoke inlet pipe. A smoke inlet communicating with the smoke inlet pipe is opened at the highest position of the central protrusion.

[0005] As an improvement, the hot gas inlet hole is located on the bottom surface of the fumigation dish, away from the central protrusion.

[0006] As an improvement: the hot air inlet hole is located on the side wall of the smoke container, and the height of the hot air inlet hole on the smoke container is lower than the height of the smoke inlet.

[0007] As an improvement, hot air inlet holes are provided on the bottom surface and side wall of the smoke container.

[0008] As an improvement, the hot gas outlet is located on the bottom surface of the housing cavity.

[0009] As an improvement, the heating element is attached to the inner wall within the airflow heating channel.

[0010] The beneficial effects of this invention are as follows: After passing through the airflow heating channel, hot air enters the tobacco dish through the hot air inlet hole on the dish wall. The smoke formed by the heated tobacco rises and enters the smoke inlet pipe through the smoke inlet at the center protrusion. The smoke inlet at the center is located as far away from the hot air inlet as possible. Even after the tobacco dish is filled, the hot air inlet hole corresponds to the inside of the tobacco, directly connecting to the inside of the tobacco, reducing heat loss. At the same time, the tobacco acts as a barrier, greatly reducing interaction with the aerosol form of smoke, ensuring the smoking experience. Furthermore, the structure of the smoke inlet at the center of the tobacco dish effectively prevents tobacco from falling into the smoke inlet, providing excellent protection for the smoke inlet pipe and solving problems such as water tank black spots. The entire air path layout is reasonable and easy to implement, with minimal energy loss and a user-friendly design.

[0011] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the first embodiment of the electric hot water fume heating device of this utility model.

[0013] Figure 2 This is a schematic diagram of the second embodiment of the electric hot water fume heating device of this utility model.

[0014] Figure 3 This is a schematic diagram of the third embodiment of the electric hot water fume heating device of this utility model. Detailed Implementation

[0015] like Figure 1As shown, the first embodiment of the electric hot water fume heating device of this utility model includes a shell 1, a heating element 3, and a detachable, elevated fume dish 5 connected to the shell's accommodating cavity. The shell is a double-layered structure with a gap, namely, the shell includes an outer wall 11, an inner wall 12, and an airflow heating channel 13 formed by the gap between the outer wall 11 and the inner wall 12. The heating element 3 is installed in the airflow heating channel 13 and is attached to the inner wall within the airflow heating channel 13 to ensure heating stability. An air inlet 111 is opened on the outer wall 11 away from the heating element 3, and a hot air outlet 121 leading to the accommodating cavity is opened at the end of the airflow heating channel 13 on the inner wall 12. The hot air outlet 121 is located on the lower bottom surface of the accommodating cavity of the shell 1 to reduce heat loss. The smoke container 5 has a hot air inlet hole 51 on its wall to introduce hot air into the container. A central protrusion protrudes inward from the center of the bottom surface of the smoke container 5, connecting to the smoke inlet pipe 6. An inlet 52, communicating with the smoke inlet pipe, is located at the highest point of this central protrusion. In this embodiment, the hot air inlet hole 51 is located on the bottom surface of the smoke container 5, away from the central protrusion. The hot air inlet hole 51 can have a microporous layout. After the smoke is placed on the bottom surface of the smoke container, hot air passes through the airflow heating channel and is injected into the smoke pile from the bottom surface through the hot air on the container wall to heat the smoke 4. The aerosol smoke generated after heating rises from above the smoke pile, and the higher inlet connects to the smoke inlet pipe. This structure not only helps to ensure complete heating of the smoke pile, avoiding the situation where the inside of the smoke pile is covered and cannot be fully heated, but also prevents the mixing and interaction between the heating hot air and the smoke through the smoke pile. Furthermore, even if material falls, it enters the receiving cavity and can be cleaned after the smoke container is removed. In this embodiment, the upper part of the smoke container can be sealed, and the sealing method can be designed as needed, either by sealing itself or by sealing through a lid on the receiving cavity, which is more conducive to a safe design when opening the lid.

[0016] Of course, it is also possible to... Figure 2 In the second embodiment shown, the hot air inlet 51 is located on the side wall of the smoke container 5. The height of the hot air inlet 51 on the smoke container 5 is lower than the height of the smoke inlet 52. The hot air inlet 51 is arranged in a lower ring, so that the hot air inlet 51 faces the smoke and is as far away from the central smoke inlet as possible. Compared with the first embodiment, this design can solve the problem of the bottom surface of the material pile being too solid and blocking the bottom surface.

[0017] like Figure 3 The third embodiment of the electric hot water flue gas heating device of this utility model shown is the best solution based on the first and second embodiments. Hot air inlet holes 51 are provided on both the bottom surface and the side wall of the flue gas dish 5. It combines all the advantages of the first and second embodiments, and because it has bidirectional hot air inlet holes that direct heat towards the flue gas, the flue gas is generated rapidly and the amount of pure flue gas is large.

[0018] Although the present invention has been disclosed above with specific embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope of the appended claims.

Claims

1. A heating device for an electrically heated shisha, comprising a housing (1), a heating element (3), and a removable tobacco container (5) which is connected in a housing receiving cavity, characterized in that: The shell is a double-layer structure with a gap, that is, the shell includes an outer wall (11), an inner wall (12) and an airflow heating channel (13) formed by the gap between the outer wall (11) and the inner wall (12). The heating element (3) is installed in the airflow heating channel (13). The airflow heating channel (13) has an air inlet (111) at a position on the outer wall (11) away from the heating element (3). The end of the airflow heating channel (13) has a hot air outlet (121) on the inner wall (12) leading to the receiving cavity. The wall of the smoke dish (5) has a hot air inlet hole (51) for introducing hot air into the smoke dish. A central protrusion protrudes inward from the center of the bottom surface of the smoke dish (5) to form a central protrusion connected to the smoke inlet pipe. A smoke inlet (52) connected to the smoke inlet pipe is opened at the highest position of the central protrusion.

2. The heating device for an electrically heated shisha according to claim 1, characterized in that The hot air inlet (51) is located on the bottom surface of the smoke dish (5) away from the central protrusion.

3. The heating device for an electrically heated shisha according to claim 1, characterized in that The hot air inlet (51) is located on the side wall of the smoke dish (5), and the height of the hot air inlet (51) on the smoke dish (5) is lower than the height of the smoke inlet (52).

4. The heating device for an electrically heated shisha according to claim 1, characterized in that Hot air inlet holes (51) are provided on the bottom surface and side wall of the smoke dish (5).

5. The heating device for electric hot water flue gas according to claim 1, 2, 3, or 4, characterized in that: The hot gas outlet (121) is located on the bottom surface of the housing (1) cavity.

6. The heating device of an electrically heated shisha according to claim 1 or 2 or 3 or 4, characterized in that: The heating element (3) is attached to the inner wall of the airflow heating channel (13).

7. The heating device for an electrically heated shisha according to claim 5, characterized in that The heating element (3) is attached to the inner wall of the airflow heating channel (13).