Electronic hookah with sheet-shaped heating device

Abstract

The utility model relates to an electronic hookah with a sheet-shaped heating device, which is specifically characterized in that the electronic hookah with the sheet-shaped heating device is used for heating a tobacco material and comprises a main machine; the main machine is provided with a sheet-shaped heating body and a protective cover; the protective cover is arranged on the side, facing the tobacco material, of the sheet-shaped heating body. When heating is carried out, the sheet-shaped heating body uniformly conducts heat to the tobacco material through the protective cover and heats the tobacco material and air around the tobacco material. The problem that the temperature cannot be controlled during charcoal fire combustion heating is solved through the sheet-shaped heating body and the protective cover, the temperature can be conveniently controlled, meanwhile, tobacco materials can be evenly heated, and therefore the problems that tobacco is burnt due to the too high charcoal fire combustion temperature and the smoke amount is insufficient due to the too low charcoal fire combustion temperature are solved; and the electronic hookah can be rapidly heated, so that enough smoke amount is generated, and both the temperature and the smoke quality are controllable.

Description

Technical Field

[0001] This utility model relates to the field of hookah technology, and in particular to an electronic hookah with a sheet-shaped heating device. Background Technology

[0002] Electronic hookahs are a type of steam-dried smoking device with an inverted heating pan, also known in the industry as "Arabian hookahs." An electronic hookah typically consists of a bowl for holding tobacco or tobacco paste, and a plate-shaped heating element for heating.

[0003] Current electronic hookah heating methods generally use charcoal combustion, but this method only slowly raises the temperature, wasting the user's time. If the charcoal combustion temperature rises too high, the tobacco will burn. If the charcoal temperature is too low, the amount of smoke will be insufficient. Summary of the Invention

[0004] In view of the above problems, the present invention provides an electronic hookah with a sheet heating device that overcomes or at least partially solves the above problems.

[0005] An electronic hookah with a sheet-shaped heating device, the electronic hookah with the sheet-shaped heating device being used to heat tobacco, includes a main unit; the main unit is provided with a sheet-shaped heating element and a protective cover;

[0006] The protective cover is provided on the side of the sheet-shaped heating element facing the smoke material;

[0007] When heating is performed, the sheet-like heating element conducts heat evenly to the smoke material through the protective cover and heats the smoke material and the surrounding air.

[0008] Preferably, it further includes a second component for containing the tobacco, and the main unit is connected to the second component;

[0009] The smoke material is positioned opposite to the heating surface of the sheet-shaped heating element.

[0010] Preferably, the main unit has a cavity for accommodating the smoke material, and the smoke material is arranged opposite to the sheet-shaped heating element.

[0011] Preferably, the main unit is connected to the second component and cooperates with it to form a cavity for accommodating the tobacco.

[0012] The smoke material is positioned opposite to the heating surface of the sheet-shaped heating element.

[0013] Preferably, the sheet-shaped heating element is made by thick-film printing and low-temperature glazing.

[0014] Preferably, the heat insulation assembly includes a heat insulation bracket and a heat insulation body; the heat insulation body is provided on the side of the heat insulation bracket away from the sheet-like heating element.

[0015] Preferably, the sheet-shaped heating element and the protective cover are installed inside the heat insulation bracket, and the opposite sides of the sheet-shaped heating element and the protective cover are exposed on the heat insulation bracket.

[0016] Preferably, a first heat insulation sheet and a second heat insulation sheet for heat insulation are provided between the heat insulation body and the heat insulation bracket.

[0017] Preferably, the first heat insulation sheet and the second heat insulation sheet are fixed together by a support block.

[0018] Preferably, the sheet-like heating element is made of a superconducting thermal material.

[0019] Preferably, the sheet-shaped heating element includes a temperature sensing device; one end of the temperature sensing device is fixedly connected to the sheet-shaped heating element.

[0020] Preferably, the sheet-shaped heating element is provided with a first vent hole, and the protective cover is provided with a second vent hole.

[0021] This application specifically includes the following advantages:

[0022] In the embodiments of this application, compared to the prior art's "uncontrollable temperature during charcoal combustion heating," this application provides a solution using a "heating device." Specifically, the electronic hookah of the sheet-shaped heating device is used to heat the tobacco, including a main unit; the main unit is equipped with a sheet-shaped heating element and a protective cover; the protective cover is located on the side of the sheet-shaped heating element facing the tobacco; when heating, the sheet-shaped heating element evenly conducts heat to the tobacco through the protective cover and heats the tobacco and the surrounding air. The "sheet-shaped heating element and protective cover" solve the problem of uncontrollable temperature during charcoal combustion heating, achieving convenient temperature control while evenly heating the tobacco, thus avoiding the problems of excessively high charcoal combustion temperature causing tobacco scorching and excessively low charcoal temperature resulting in insufficient smoke. Furthermore, this application enables the electronic hookah to heat rapidly, thereby producing sufficient smoke, with controllable temperature and smoke quality. Attached Figure Description

[0023] To more clearly illustrate the technical solution of this application, the drawings used in the description of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of an electronic hookah according to the present invention.

[0025] Figure 2This is a schematic diagram of the structure of an electronic hookah and its container according to the present invention.

[0026] Figure 3 This is a three-dimensional cross-sectional schematic diagram of an electronic hookah according to the present invention.

[0027] Figure 4 This is a schematic diagram of the structure of an electronic hookah using a sheet-like heating device according to this utility model.

[0028] Figure 5 for Figure 4 A schematic cross-sectional view of the heating device shown.

[0029] Figure 6 This is a schematic diagram of the structure of the sheet-shaped heating element of an electronic hookah, which is a sheet-shaped heating device according to a utility model.

[0030] Figure 7 This is a schematic diagram of the mica sheet assembly of an electronic hookah in a sheet-shaped heating device according to a utility model.

[0031] Figure 8 For this Figure 7 The diagram shows the split structure of the mica sheet assembly.

[0032] Figure 9 This is a schematic diagram of the overall structure of an electronic hookah using a sheet-like heating device according to this utility model.

[0033] Figure 10 This is a schematic diagram of the second heat insulation sheet structure of an electronic hookah in a sheet-shaped heating device according to the present invention.

[0034] Figure 11 This is a schematic diagram of the mica sheet assembly and sheet heating element of an electronic hookah in a sheet heating device according to the present invention.

[0035] Figure 12 This is a schematic diagram of the structure of the protective cover for an electronic hookah of a sheet-shaped heating device according to the present invention.

[0036] Figure 13 This is a schematic diagram of the protective cover and sheet heating element of an electronic hookah using a sheet heating device according to this utility model.

[0037] Figure 14 This is a schematic diagram of the structure of an electronic hookah according to the present invention.

[0038] Figure 15 This is a schematic diagram of the structure of an electronic hookah according to the present invention.

[0039] Figure 16 This is a schematic diagram of the structure of an electronic hookah according to the present invention.

[0040] 100. Electronic hookah; 1. Main unit; 11. First component; 110. Upper shell; 111. Upper bracket; 112. Battery compartment; 113. Main control board; 114. First air inlet; 12. Second component; 120. Second air inlet; 121. Air outlet; 122. Atomizing pot; 1220. Third air outlet; 13. First air passage; 14. Second air passage; 2. Container; 3. Heating device; 30. Heating assembly; 300. Sheet-shaped heating element; 3001. First air passage; 30 1. Connecting wire; 31. Protective cover; 310. Second vent; 32. Heat insulation component; 320. Heat insulation bracket; 3201. Heat insulation ring; 3202. Protrusion; 3203. Locking block; 3204. Connecting column; 321. Heat insulation body; 3205. Positioning hole; 322. Mica sheet assembly; 3220. First heat insulation sheet; 3221. Second heat insulation sheet; 3222. Support tube; 3223. Vent; 3223. Fixing bracket; 323. Heat insulation cover; 33. Temperature sensing device. Detailed Implementation

[0041] To make the objectives, features, and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0042] The inventors, through analysis of existing technologies, discovered that current electronic hookah heating methods generally use charcoal combustion. However, charcoal combustion only slowly raises the temperature, wasting the user's time. If the charcoal combustion temperature rises too high, the tobacco will burn. If the charcoal temperature is too low, the amount of smoke will be insufficient. To better control the temperature of the electronic hookah, this application employs an electrically controlled sheet-like heating element.

[0043] Reference Figure 1 The diagram shows a schematic of the structure of the electronic hookah of the sheet heating device of this utility model, which can specifically include the following structure: the electronic hookah of the sheet heating device is used to heat the tobacco, including a main unit; the main unit is provided with a sheet heating element and a protective cover; the protective cover is provided on the side of the sheet heating element facing the tobacco; when heating, the sheet heating element evenly conducts heat to the tobacco through the protective cover and heats the tobacco and the surrounding air.

[0044] In the embodiments of this application, compared to the prior art's "uncontrollable temperature during charcoal combustion heating," this application provides a solution using a "heating device." Specifically, the electronic hookah of the sheet-shaped heating device is used to heat the tobacco, including a main unit; the main unit is equipped with a sheet-shaped heating element and a protective cover; the protective cover is located on the side of the sheet-shaped heating element facing the tobacco; when heating, the sheet-shaped heating element evenly conducts heat to the tobacco through the protective cover and heats the tobacco and the surrounding air. The "sheet-shaped heating element and protective cover" solve the problem of uncontrollable temperature during charcoal combustion heating, achieving convenient temperature control while evenly heating the tobacco, thus avoiding the problems of excessively high charcoal combustion temperature causing tobacco scorching and excessively low charcoal temperature resulting in insufficient smoke. Furthermore, this application enables the electronic hookah to heat rapidly, thereby producing sufficient smoke, with controllable temperature and smoke quality.

[0045] The following will further describe an electronic hookah with a sheet-shaped heating device in this exemplary embodiment.

[0046] In this embodiment, a second component 12 for accommodating the smoke material is also included, and the main unit is connected to the second component 12; the smoke material is disposed opposite to the heating surface of the sheet-like heating element. Figure 14-16 As shown.

[0047] As an example, the host 1 and the second component 12 are detachably connected. The second component can be located below the host 1, or the second component 12 can be located on one side of the host 1.

[0048] As an example, the host 1 is fixedly connected to the second component 12, which may be located below the host 1 or on one side of the host 1.

[0049] As an example, the host 1 is hinged to the second component 12, which may be located below the host 1 or on one side of the host 1.

[0050] In this embodiment, the host unit 1 has a cavity for accommodating the smoke material, which is disposed opposite to the sheet-shaped heating element 300. That is, the host unit 1 has a cavity inside for placing the smoke material. In the host unit 1, the smoke material can be fixed in the host unit 1, or it can be detachably placed inside the host unit 1.

[0051] In this embodiment of the application, the host 1 is connected to the second component 12 and cooperates with each other to form a cavity for accommodating the smoke; the smoke is disposed opposite to the heating surface of the sheet heating element 300.

[0052] As an example, the host 1 forms half of a cavity for containing the tobacco, and the second component 12 forms half of a cavity for containing the tobacco, together forming an electronic hookah.

[0053] In the embodiments of this application, such as Figure 11 and Figure 13 As shown, the main unit is provided with a sheet-shaped heating element 300 and a protective cover 31; the protective cover 31 is provided on the side of the sheet-shaped heating element 300 facing the smoke material; the shape of the protective cover 31 is adapted to the shape of the sheet-shaped heating element 300, the protective cover 31 covers the sheet-shaped heating element 300, and the protective cover 31 is a steel cover.

[0054] As an example, the protective cover 31 is circular, such as... Figure 12 As shown, the protective cover 31 has sidewalls around its perimeter that are greater than the height of the sheet-like heating element 300. These sidewalls effectively enclose the sheet-like heating element 300. The protective cover 31 primarily protects the sheet-like heating element from external environmental influences, thereby extending its service life. Specific functions include: preventing dust and dirt adhesion: The sheet-like heating element generates a large amount of heat during operation. If dust and dirt adhere to its surface, it will affect heat dissipation, causing overheating and shortening its service life. The protective cover effectively blocks dust and dirt from entering, keeping the surface of the sheet-like heating element clean. Preventing oxidation and corrosion: The sheet-like heating element generates high temperatures during operation. If exposed to air, it easily reacts with oxygen, leading to oxidation and corrosion. The protective cover isolates the air, reducing the possibility of oxidation and corrosion, thus extending the service life of the sheet-like heating element. Improving safety: The protective cover prevents operators from directly contacting the sheet-like heating element, reducing the risk of burns and electric shocks, and improving work safety. The protective cover 31 of the sheet heating element 300 plays an important role in protecting the sheet heating element 300, extending its service life, and improving safety.

[0055] In one specific embodiment, the sheet-like heating element 300 further includes heating air. The atomization principle is that the air is heated through the first air passage 3001 on the sheet-like heating element 300 and then enters the smoke chamber through the third air passage 1220 on the pot body 1. The tobacco is heated to a specified temperature by the hot air, and then the cold air at the bottom blows onto the hot tobacco to form hot and cold convection and generate smoke. The sheet-like heating element 300 heats the air and introduces it into the smoke chamber through the first air passage 3001 and the third air passage 1220, thereby heating the tobacco to generate smoke. This atomization principle utilizes the convection between hot and cold air to generate smoke.

[0056] Specifically, the sheet-shaped heating element 300 heats the air, raising its temperature. The heated air then enters the smoke chamber through the first air vent 3001. Since the tobacco is pre-placed in the smoke chamber, the heated air comes into contact with it. Because the tobacco is at a lower temperature, the hot air transfers heat to it, raising its temperature. Simultaneously, cold air from the bottom is introduced into the smoke chamber through the third air vent 1220. Upon contact with the hot tobacco, the cold air, due to its lower temperature, transfers heat to the cold air, creating thermal convection. This thermal convection produces smoke, as the components in the tobacco are evaporated and form smoke. The sheet-shaped heating element 300 achieves atomization by heating air and utilizing thermal convection to generate smoke. This atomization principle effectively evaporates the components in the tobacco and forms smoke, thus improving the smoking experience.

[0057] In this embodiment, the sheet-like heating element 300 is manufactured by thick-film printing and low-temperature glazing. Manufacturing the sheet-like heating element 300 by thick-film printing and low-temperature glazing refers to using thick-film printing technology to print the heating material onto a substrate, and then sintering it at a lower temperature to firmly bond the heating material to the substrate, forming a device with heating function. This technology can improve the precision and uniformity of the sheet-like heating element 300, while reducing production costs and energy consumption. Specifically, the sheet-like heating element 300 is made by first applying an insulating layer to a metal sheet, then thick-film printing the heating circuitry on top, and preferably then covering it with a low-temperature glaze. Other heat sources can also be used instead of the sheet-like heating element 300, such as ceramic heating elements, metal etched sheets, silicon carbide heating elements, etc.

[0058] As an example, the sheet-like heating element 300 is made of a superconducting thermal material, specifically, SUS430 superconducting thermal material. SUS430 is a ferritic stainless steel with good corrosion resistance and high-temperature strength. Due to its unique crystal structure and chemical composition, SUS430 maintains high thermal conductivity while also exhibiting excellent oxidation and corrosion resistance. Therefore, SUS430 is widely used in various applications requiring efficient heat transfer and corrosion resistance, such as heat exchangers, heaters, and condensers. The thermal conductivity of SUS430 is approximately 16.7 W / (m·K), which is lower than that of traditional metals such as copper and aluminum, but higher than that of stainless steel and other ferritic stainless steels. Therefore, SUS430 is an ideal superconducting thermal material. However, the thermal conductivity of SUS430 is affected by its surface condition and processing technology. Therefore, when selecting SUS430 as a superconducting thermal material, this application employs appropriate surface treatment and processing through thick die printing and low-temperature glazing. Superconducting materials are materials that exhibit high thermal conductivity in a superconducting state. Superconductivity refers to the phenomenon where the electrical resistance of a material suddenly drops to zero below a certain critical temperature. In this state, the material can transfer heat without loss. Superconducting materials are mainly used for efficient heat transfer and heat dissipation management. Common superconducting materials include highly conductive metals such as silver, copper, and aluminum, as well as some alloys and compounds, such as niobium-titanium alloys and niobium-tin alloys. In recent years, novel materials such as graphene have also attracted widespread attention due to their excellent thermal conductivity.

[0059] In this embodiment of the application, the heat insulation component 32 includes a heat insulation bracket 320 and a heat insulation body 321; the heat insulation bracket 320 is provided with the heat insulation body 321 on the side away from the sheet-like heating element 300.

[0060] As an example, such as Figure 9 As shown, the heat insulation bracket 320 includes an annular heat insulation ring 3201 and a tongue-shaped protrusion 3202 extending from one side of the heat insulation ring 3201. A plurality of connecting posts 3204 extend from the side of the heat insulation ring 3201 opposite to the protrusion 3202. The protrusion 3202 protrudes towards the opposite side of the heat insulation cover 323, and a locking block 3203 of the main unit 1's opening and closing structure is disposed on the outer surface of the protrusion 3202. The plurality of connecting posts 3204 correspond one-to-one with a plurality of positioning holes 3205 and pass through the corresponding positioning holes 3205 through the heat insulation body 3201 to provide support. A plurality of fixing holes are provided at the outer edge of the heat insulation bracket 320.

[0061] In one specific embodiment, the protrusion 3202 is used to connect to the component of the main unit that contains smoke material.

[0062] In this embodiment, a heat insulation sheet assembly 322 is provided between the heat insulation body 321 and the heat insulation bracket 320. The heat insulation sheet assembly 322 includes a first heat insulation sheet 3220 and a second heat insulation sheet 3221, which are fixed together by a support block. Both the first heat insulation sheet 3220 and the second heat insulation sheet 3221 are used for heat insulation, isolating the sheet-like heating element 300 from the battery and the motherboard to prevent short circuits. The heat insulation sheet assembly 322 can be a mica sheet. The heat insulation sheet assembly 322 includes a first heat insulation sheet 3220 and a second heat insulation sheet 3221, which are fixed together by a support block. Both the first heat insulation sheet 3220 and the second heat insulation sheet 3221 are used for heat insulation to prevent short circuits between the sheet-like heating element 300 and the battery and the motherboard. The heat insulation sheet assembly 322 can be a mica sheet, but it can also be other materials with good heat insulation properties.

[0063] In one specific embodiment, such as Figure 10 As shown, mica sheet assemblies 322 are commonly used in electronic devices as heat dissipation materials. They can be placed on one side of a sheet-like heating element to aid heat dissipation and prevent overheating. In this application, the mica sheet assembly 322 serves as a thermal interface material, placed on one side of the sheet-like heating element 300 at a certain distance from it. It can fill the gap between the sheet-like heating element 300 and the heat insulation body 321, improving heat conduction efficiency and reducing thermal resistance.

[0064] In this embodiment, the sheet-like heating element 300 includes a temperature sensing device 33; one end of the temperature sensing device 33 is fixedly connected to the sheet-like heating element 300. The temperature sensing device 33 is a commonly used temperature measuring element in temperature measuring instruments. It directly measures the temperature and converts the temperature signal into a thermoelectric potential signal, which is then converted into the temperature of the measured medium by an electrical instrument.

[0065] This application also includes an electronic hookah, which includes a second component and an electronic hookah with a sheet-shaped heating device as described above, wherein the electronic hookah with the sheet-shaped heating device is connected to the second component; the second component has a cavity for accommodating tobacco, and the tobacco is disposed opposite to the sheet-shaped heating element.

[0066] This application also includes an electronic hookah, the electronic hookah including the aforementioned sheet heating device, the main unit having a cavity for accommodating the hookah material, the hookah material being disposed opposite to the sheet heating element.

[0067] In the embodiments of this application, such as Figure 1 , Figure 2 and Figure 3 As shown, the electronic hookah 100 includes a main unit 1, a container 2, and a heating device 3. The container 2 is assembled with the main unit 1 and is used to hold the filtered liquid.

[0068] In one specific embodiment, the host 1 includes a first component 11, a second component 12, a first air passage 13, and a second air passage 14. The first component 11 and the second component 12 are detachably combined together, the first air passage 13 connects the first component 11 and the second component 12, and the second air passage 14 passes through the second component 12.

[0069] In one specific embodiment, the first component 11 includes an upper shell 110, an upper bracket 111, a battery compartment 112, a main control board 113, and a first air intake 114. The upper bracket 111 is mounted on the upper shell 110, and the battery compartment 112 is disposed on one side of the upper bracket 111.

[0070] In one specific embodiment, the second component 12 is provided with an atomizing pot 122 for loading tobacco, a second air inlet 120, and an air outlet 121. The atomizing pot 122 is provided with a third air passage 1220. The second air passage 14 passes through the second air inlet 120, the third air passage 1220, and the air outlet 121 in sequence.

[0071] As an example, the heating device 3 is disposed on the first component 11 and mounted on the side of the upper bracket 111 opposite to the battery compartment 112. The battery compartment 112 contains a battery that provides power to the main control board 113.

[0072] In the embodiments of this application, such as Figure 4 As shown, the heating device 3 includes a heating element 30, a protective cover 31, a temperature sensing device 33, and a heat insulation component 32. The heating element 30 and the temperature sensing device 33 are electrically connected to the main control board 113 of the host unit 1. One side of the heating element 30 is covered by the protective cover 31, the temperature sensing device 33 is located on the opposite side of the heating element 30, and the heat insulation component 32 is used to heat the atomizing pot 122, thereby forming smoke from the tobacco for inhalation. The heating element 30 generates heat, the temperature sensing device 33 measures the temperature of the heating element 30, the protective cover 31 protects the heating element 30, and the heat insulation component 32 prevents the heat from the heating element 30 from escaping to the outside.

[0073] In one specific embodiment, the temperature sensing device 33 can be a thermocouple, an NTC (negative temperature coefficient thermistor), a TCR (temperature coefficient resistor), or an infrared component, etc. Alternatively, the temperature sensing device 33 can be omitted, and the temperature can be calculated directly using a software timing method. If the temperature sensing device 33 is used, its resistance will change as the temperature changes. By detecting this resistance change, the temperature change can be calculated. The resistance change of the temperature sensing device 33 can be converted into a digital signal by an analog-to-digital converter (ADC), and then processed by a microcontroller (MCU) to calculate the temperature change. If the temperature sensing device 33 is not used, the temperature can be calculated directly using a software timing method. The software timing method calculates temperature changes by recording the passage of time. For example, the time interval between two points in time can be recorded, and the temperature change can be calculated based on the change in the time interval. This method can be used to calculate temperature changes, but its accuracy is low, and it is usually only suitable for coarse temperature measurements.

[0074] In one specific embodiment, the temperature sensing device 33 can also be a temperature sensing circuit. A temperature sensing circuit is a circuit made of a temperature-sensitive material. When the temperature changes, the temperature-sensitive material undergoes physical or chemical changes, thereby changing the resistance value or other electrical parameters of the temperature sensing circuit. The temperature sensing circuit can be used for temperature detection and control.

[0075] In the embodiments of this application, such as Figure 4 and Figure 6 As shown, the heating assembly 30 includes a generally disc-shaped sheet heating element 300 and a connecting line 301 extending from the sheet heating element 300 to the battery. The heating assembly 30 is electrically connected to the main control board 113 via the connecting line 301. The sheet heating element 300 is patterned by post-molding and low-temperature glazing. In this embodiment, the sheet heating element 300 is planar spiral-shaped. In this embodiment, the sheet heating element 300 is formed with a semi-closed symmetrical pattern with notches at the connecting line 301 and the temperature sensing device 33. In this embodiment, the sheet heating element 300 uses SUS430 superconducting thermal material as the heating material. In this embodiment, the sheet heating element 300 is provided with a plurality of first vent holes 3001 for gas flow.

[0076] In one specific embodiment, the protective cover 31 is fixed to the heat insulation component 32 by a fastener. The protective cover 31 covers one side of the sheet-shaped heating element and the atomizing pot to prevent the sheet-shaped heating element 1300 from being directly exposed to the outside and damaged. In this embodiment, the protective cover 131 is made of stainless steel. The protective cover 31 is disc-shaped and its shape is adapted to fit the sheet-shaped heating element 300, covering the sheet-shaped heating element 300. The protective cover 31 is also provided with several second air passages 310. The first air passage 3001, the second air passage 310, and the third air passage 1330 are located on the path through which the first air passage 13 passes. The first air passage 13 passes sequentially through the air inlet 114, the first air passage 3001, the second air passage 310, the third air passage 1330, and the air outlet 121.

[0077] In one specific embodiment, the first vent 3001 of the sheet-like heating element 300 and the second vent 310 of the protective cover 31 are designed the same, so that the first vent 3001 and the second vent 310 can be aligned.

[0078] In this embodiment, the screw passes sequentially through the second vent hole 310 at the edge of the protective cover 31 and the corresponding first vent hole 3001 of the sheet-like heating element 300, and is fixed to the first heat insulation plate 3220 with a nut. A stainless steel tube (not shown) is fitted over the screw between the sheet-like heating element 300 and the first heat insulation plate 3220 to prevent the screw from being oxidized and damaged.

[0079] In one specific embodiment, such as Figure 7 and Figure 8 As shown, the heat insulation assembly 32 includes a heat insulation bracket 320, a heat insulation body 321, a mica sheet assembly 322, and a heat insulation cover 323. The mica sheet assembly 322 is located between the heat insulation bracket 320 and the heat insulation body 321. The heat insulation body 321 is disposed opposite to the heat insulation bracket 320. The heat insulation cover 323 surrounds the heat insulation bracket 320 and faces the protective cover 31.

[0080] In one specific embodiment, the heat insulation body 321 is generally disc-shaped, with a recess formed on the side opposite to the mica sheet assembly 322, thereby creating a certain gap between it and the outside, further preventing heat transfer to the outside. Near the edge of the heat insulation body 321, a number of positioning holes 3205 and a number of fixing holes (not shown) are also provided at intervals. The heat insulation body 321 is made of silicone material.

[0081] In one specific embodiment, the heat insulation bracket 320 includes an annular heat insulation ring 3201 and a tongue-shaped protrusion 3202 extending from one side of the heat insulation ring 3201. A plurality of connecting posts 3204 extend from the side of the heat insulation ring 3201 opposite to the protrusion 3202. The protrusion 3202 protrudes towards the opposite side of the heat insulation cover 323, and a locking block 3203 of the main unit 1's opening and closing structure is disposed on the outer surface of the protrusion 3202. The plurality of connecting posts 3204 correspond one-to-one with a plurality of positioning holes 3205 and pass through the corresponding positioning holes 3205 through the heat insulation body 3201 to provide support. A plurality of fixing holes are provided at the outer edge of the heat insulation bracket 320.

[0082] In one specific embodiment, the heating component 30 is located in the middle of the heat insulation ring 3201 and is surrounded by the heat insulation ring 3201. The sheet-shaped heating element 300 and the protective cover 31 are installed inside the heat insulation bracket 320, and the opposite sides of the sheet-shaped heating element 300 and the protective cover 31 are exposed outside the heat insulation bracket 320.

[0083] In this embodiment, the fixing hole of the heat insulation bracket 320 is semi-circular and matches the fixing hole of the heat insulation bracket 320. The heat insulation bracket 320 and the heat insulation body 321 are fixed together by fasteners and corresponding fixing holes.

[0084] In one specific embodiment, the heat insulation cover 323 is an annular body, covering the end face of the heat insulation bracket 320, further isolating the heat from the heating component 30, and also covering the fixing parts and gaps. In this embodiment, the heat insulation cover 323 is made of silicone material. In this embodiment, the bottom of the heat insulation cover 323 covers the end face of the heat insulation bracket 320, extending vertically from the outer edge of the bottom towards the heat insulation body 321 to the outer wall surrounding the heat insulation bracket 320.

[0085] In one specific embodiment, the mica sheet assembly 322 includes a first heat insulation sheet 3220 and a second heat insulation sheet 3221 arranged in parallel and spaced apart, a support tube 3222 located between the first heat insulation sheet 3220 and the second heat insulation sheet 3221, and a fixing frame 3223. The first heat insulation sheet 3220 and the second heat insulation sheet 3221 have circular cross-sections. The first heat insulation sheet 3220 is close to the heating assembly 30, and the second heat insulation sheet 3221 is close to the heat insulation body 1321. The diameter of the second heat insulation sheet 13221 is larger than the diameter of the first heat insulation sheet 3220. The first heat insulation sheet 3220 is provided with an air vent 3223 for the heating assembly 130 to pass through. The fixing frame 3223 is generally in the shape of a cover with a central hole at the top, covering the first heat insulation sheet 3220 at the top and supporting the second heat insulation sheet 3221 at the bottom. In this embodiment, the support tube 3222 includes a connecting tube (not shown) and platforms (not shown) extending from both ends of the connecting tube toward the first heat insulation sheet 3220, forming a groove in the middle of the support tube 3222. The first heat insulation sheet 3220 is embedded in the groove, making the first heat insulation sheet 3220 more stable.

[0086] In one specific embodiment, such as Figure 6 As shown, one end of the temperature sensing device 33 is bonded to the sheet-like heating element 300, and the other end is electrically connected to the main control board 113. The temperature sensing device 33 measures the temperature value of the sheet-like heating element 300 and transmits the temperature value to the main control board 113 to achieve precise temperature control. In this embodiment, the temperature sensing device 33 is a K-type temperature sensing device. As a type of temperature sensor, the K-type temperature sensing device can measure the surface temperature of various liquid vapors and gases, as well as solids, ranging from 0°C to 1300°C in production processes.

[0087] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0088] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0089] The above provides a detailed description of the electronic hookah with a sheet-like heating device provided by this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An electronic hookah with a sheet-shaped heating device, wherein the electronic hookah with the sheet-shaped heating device is used to heat tobacco, characterized in that, Includes a main unit; the main unit is equipped with a sheet-like heating element and a protective cover; The protective cover is provided on the side of the sheet-shaped heating element facing the smoke material; When heating is performed, the sheet-like heating element conducts heat evenly to the smoke material through the protective cover and heats the smoke material and the surrounding air.

2. The electronic hookah with the sheet heating device according to claim 1, characterized in that, It also includes a second component for containing the tobacco, and the main unit is connected to the second component; The smoke material is positioned opposite to the heating surface of the sheet-shaped heating element.

3. The electronic hookah of the plate heating device according to claim 1, characterized in that, The main unit has a cavity for accommodating the smoke material, and the smoke material and the sheet-shaped heating element are arranged opposite to each other.

4. The electronic hookah with the sheet heating device according to claim 2, characterized in that, The main unit is connected to the second component and they cooperate to form a cavity for accommodating the tobacco. The smoke material is positioned opposite to the heating surface of the sheet-shaped heating element.

5. The electronic hookah with a sheet heating device according to any one of claims 1-4, characterized in that, The sheet-shaped heating element is made of a superconducting thermal material.

6. The electronic hookah of the plate heating device according to claim 5, characterized in that, The sheet-shaped heating element is made by thick mold printing and low-temperature glazing.

7. The electronic hookah with a sheet heating device according to any one of claims 1-4, characterized in that, The heat insulation assembly includes a heat insulation bracket and a heat insulation body; the heat insulation body is provided on the side of the heat insulation bracket away from the sheet-shaped heating element.

8. The electronic hookah of the plate heating device according to claim 7, characterized in that, The sheet-shaped heating element and the protective cover are installed inside the heat insulation bracket, and the opposite sides of the sheet-shaped heating element and the protective cover are exposed on the heat insulation bracket.

9. The electronic hookah of the plate heating device according to claim 7, characterized in that, A first heat insulation sheet and a second heat insulation sheet are provided between the heat insulation body and the heat insulation bracket for heat insulation.

10. The electronic hookah with a sheet heating device according to any one of claims 1-9, characterized in that, The sheet-shaped heating element includes a temperature sensing device; one end of the temperature sensing device is fixedly connected to the sheet-shaped heating element.

11. The electronic hookah with a sheet heating device according to any one of claims 1-9, characterized in that, The sheet-shaped heating element is provided with a first vent hole, and the protective cover is provided with a second vent hole.

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