A heating device for suctionable materials and its heating method

Abstract

This invention discloses a heating device for a smokeable material. The device is pipe-shaped and includes: a bowl; a support portion disposed within the bowl; at least two heating elements mounted on the support portion, dividing the area above the support portion into at least two heating zones, each heating zone containing the smokeable material; and a control unit electrically connected to each heating element for controlling the heating of each element. This invention eliminates the need for a specially designed cigarette or smokeable material, achieving consistent smoke release throughout the smoking process and extending the smoking duration. It features a simple structure and wide applicability. This invention also provides a heating method based on the above-described heating device for smokeable materials.

Description

Technical Field

[0001] This invention relates to the field of novel tobacco products, and in particular to a heating device for a smokeable material and its heating method. Background Technology

[0002] The smoke from low-temperature non-combustible cigarettes mainly comes from the volatilization of substances such as glycerin when heated to around 300°C by a heating element. During this volatilization process, nicotine and other tobacco aroma components are also released, forming an aerosol for the consumer to inhale. The following problems may arise in this process:

[0003] Firstly, typical heated tobacco products currently available involve inserting a cigarette or cartridge into a device for heating before inhalation. The device contains a heating needle or plate that pierces the tobacco portion, releasing an aerosol during inhalation. This aerosol carries nicotine, glycerin, propylene glycol, and aromatic compounds into the consumer's mouth. Specifically, when the resistance wires on the heating needle or plate are energized, they release heat to heat the tobacco material. During this process, the amount of smoke and the levels of nicotine, glycerin, propylene glycol, and aromatic compounds initially increase to a peak and then gradually decrease. The consumer experience also shows a decline in satisfaction, a significant difference from the consistent experience of traditional cigarettes. This uneven smoke release, with its high initial concentration followed by a decrease, limits the acceptance of heated tobacco products by consumers and, to some extent, restricts their development.

[0004] Secondly, existing heated cigarettes contain relatively little tobacco material. Taking IQOS as an example, the cigarette length is 45 mm, while the tobacco segment is only about 12 mm, with a circumference similar to the 7 mm diameter of a traditional cigarette. With such a short tobacco material (the tobacco segment length of a traditional cigarette is 59 mm), the smoking time is approximately 3 minutes, with about 10 puffs. Both the number of puffs and the time are relatively short, which does not meet the needs of consumers with high nicotine requirements or those who need to smoke for a longer period. Theoretically, to meet consumer requirements, the formula could be adjusted to increase nicotine. However, increasing the amount of nicotine added will make the smoking experience more pronounced, with a higher initial release and a lower release later. Nicotine volatilization temperature is below 180℃, often causing discomfort such as choking and dizziness in the first half of the smoke. Adding too much glycerin and propylene glycol further aggravates this phenomenon, resulting in inconsistent smoke production and a psychological gap for consumers, as the volatilization temperature of propylene glycol is around 184℃ and that of glycerin is around 290℃. Therefore, the problem of short smoking time and weak satisfaction in each round of heated cigarettes still exists.

[0005] Chinese patent CN103763953A, entitled "Heating Suckable Material," discloses a heater for heating a suckable material to cause at least one component of the material to volatilize. The heater is elongated and includes multiple independently controllable heating zones arranged sequentially along its longitudinal axis, allowing different zones to be activated at different times to heat the suckable material. While this patented technology can achieve a certain degree of consistency in smoke release, the heater has a complex structure, requires the use of specially designed cigarettes, is costly, and has limited applicability. Summary of the Invention

[0006] The purpose of this invention is to solve the problems of high cost and limited applicability of heaters in current heating non-combustion devices that can achieve uniform release of flue gas during extraction.

[0007] To achieve the above objectives, the present invention provides a heating device for aspirable materials, which can achieve consistent smoke release before and after the inhalation process without the need for a special cigarette or aspirable material, thus extending the inhalation time. It has a simple structure and a wide range of applications.

[0008] To address the aforementioned technical problems, embodiments of the present invention disclose a heating device for a puffable material. The puffable material heating device is pipe-shaped and includes:

[0009] Smoking bowl;

[0010] The support is located inside the smoke bowl;

[0011] At least two heating elements are mounted on the support and divide the upper part of the support into at least two heating areas, which are used to contain suctionable material.

[0012] The control unit is electrically connected to each heating element and is used to control each heating element to heat.

[0013] The above technical solution divides the area containing the smokeable material in the bowl into multiple heating zones using multiple heating elements. The smokeable material is contained in different zones and contacts different heating elements. Each heating element can only heat the smokeable material adjacent to it. The control unit can control the heating sequence of each heating element. When the heating elements heat in a specific order, the consistency of the smoke during inhalation and the duration of inhalation can be maintained. Furthermore, no special cigarette is required, resulting in a simple structure and wide applicability.

[0014] As one specific implementation, the heating elements are arranged in parallel and / or crosswise.

[0015] As one specific implementation method, it also includes:

[0016] The counting unit is connected to the control unit;

[0017] The timing unit, connected to the control unit, is used to time the heating process of the heating element when it starts heating. When the heating time reaches the preset time value, the timing unit outputs the first detection signal to the control unit.

[0018] The control unit is also used to control the counting unit to increment by one according to the first detection signal and control the currently heating element to turn off; and it is also used to retrieve the value in the counting unit, and when the value is less than the preset heating element value, the control unit controls the corresponding heating element to heat.

[0019] In one specific implementation, the preset heating element value is equal to the total number of heating elements.

[0020] As one specific implementation, it also includes an early warning unit, which is electrically connected to the control unit; when the value in the counting unit is the preset heating element value, the control unit issues an early warning signal, and the early warning unit is used to receive the early warning signal to issue an early warning for the addition of suction material.

[0021] As one specific implementation, the control unit controls the corresponding heating element to heat up, including:

[0022] Within the control unit, each heating element is numbered in order from the first to the Nth, where N is the total number of heating elements;

[0023] The control unit controls the heating element whose serial number is 1 greater than the value stored in the counting unit to be heated.

[0024] In one specific embodiment, each heating element extends radially from the center of the support portion along the radial direction of the support portion, and along the circumferential direction, the heating elements sequentially include a first heating element, a second heating element, a third heating element, and a fourth heating element.

[0025] The first heating element is positioned opposite to the second heating element, and the third heating element is positioned opposite to the fourth heating element.

[0026] As one specific implementation method, it also includes:

[0027] The timing unit, connected to the control unit, is used to time the heating process of each heating element when it starts heating. When the heating time reaches the preset time value, the timing unit outputs the first detection signal to the control unit.

[0028] The control unit is also configured to, when controlling the first heating element to heat, control the second heating element to start heating after receiving a first detection signal, and control the first heating element to turn off or enter a heat preservation mode; and, when controlling the second heating element to heat, control the third and fourth heating elements to start heating after receiving a first detection signal, and control the current second heating element to turn off or enter a heat preservation mode.

[0029] As one specific implementation, it also includes an early warning unit, which is electrically connected to the control unit; when the control unit controls the third heating element and the fourth heating element to heat, it issues an early warning signal after receiving the first detection signal, and the early warning unit is used to receive the early warning signal to issue an early warning for the addition of suction material.

[0030] As one specific implementation, the timing unit is also used to issue a suction signal when the heating time reaches the suction time threshold; the control unit controls the early warning unit to issue a suction warning based on the suction signal.

[0031] In one specific implementation, the end of each heating element that is close to the inner wall of the chimney is attached to the inner wall of the chimney.

[0032] In one specific implementation, there is a gap between the end of each heating element that is close to the inner wall of the chimney and the inner wall of the chimney.

[0033] By adopting the above technical solution, the fact that the end of the heating element does not fit against the inner wall of the bowl will greatly reduce the heat transferred from the heating element to the bowl, so that the user will not burn their hands when holding the pipe.

[0034] Furthermore, the gap is 0.5mm-5mm.

[0035] As one specific implementation method, it also includes:

[0036] The tobacco stem is connected to the tobacco bowl. An airflow channel is provided inside the tobacco stem and is connected to the tobacco bowl.

[0037] The tobacco cap is detachably attached to the tobacco bowl and has an air inlet.

[0038] This application also discloses a heating method based on the above-mentioned suctionable material heating device, including:

[0039] The control unit responds to the start command by retrieving the value stored in the counting unit;

[0040] Determine if the value is the preset heating element value;

[0041] When the value is the preset heating element value, an early warning is issued to install suction material;

[0042] Otherwise, control the corresponding heating element to heat the suction material on both sides.

[0043] In one specific implementation, the preset heating element value is equal to the total number of heating elements.

[0044] As one specific implementation, controlling the heating element to heat the suctionable material on both sides includes:

[0045] Each heating element is numbered in order from the first to the Nth, where N is the total number of heating elements;

[0046] Heating elements whose control sequence number is 1 greater than the value stored in the counting unit are heated.

[0047] As a specific implementation, it also includes timing the heating process of the heating element when it starts heating. When the heating time reaches a preset time value, the counting unit increments by one and the heating element that is currently being heated is turned off or switched to a heat preservation mode.

[0048] As one specific implementation, the timing unit starts timing the heating process of the heating element when it begins to heat, and issues a suction reminder when the heating time reaches the suction time threshold.

[0049] In one specific implementation, in response to a user's shutdown command, it is determined whether a heating element is heating; if so, the control unit marks the value of the counting unit.

[0050] An embodiment of this application also discloses a heating method based on the above-mentioned suctionable material heating device, including:

[0051] In response to the start command, the control unit retrieves the number stored in its internal memory and determines the heating element corresponding to the number.

[0052] If the number is the initial value, the control unit controls the first heating element to heat. When the heating time reaches the preset time value, the control unit controls the first heating element to turn off or switch to heat preservation mode, and the number is updated to the number corresponding to the first heating element.

[0053] When the number corresponds to the first heating element, the control unit controls the second heating element to heat. When the heating time reaches the preset time value, the control unit controls the second heating element to turn off or switch to heat preservation mode, and the number is updated to the number corresponding to the second heating element.

[0054] When the number corresponds to the second heating element, the control unit controls the third and fourth heating elements to start heating. When the heating time reaches the preset time value, the number is updated to the number corresponding to the third and fourth heating elements.

[0055] By adopting the above technical solution, the first heating element is heated first, and then the second heating element opposite to the first heating element is heated. Since the heating areas of the first and second heating elements overlap with the third and fourth heating elements, heating the third and fourth heating elements together at the end can ensure the consistency of the flue gas before and after heating.

[0056] As one specific implementation, when the numbers correspond to the third and fourth heating elements, the control unit issues a warning about adding suction material.

[0057] As one specific implementation, the heating process of the heating element is timed when it starts heating, and a suction reminder is issued when the heating time reaches the suction time threshold.

[0058] As one specific embodiment, the heating device for the smokeable material also includes a smoke cover that is connected to the smoke bowl in an openable manner. The heating method of the heating device for the smokeable material also includes detecting whether the smoke cover is opened. If the smoke cover is opened, the number is updated to the initial value.

[0059] In one specific implementation, in response to a user's shutdown command, it is determined whether a heating element is heating. If so, the control unit marks the number corresponding to the heating element that is heating. When the suction material heating device is restarted, the control unit controls the heating element corresponding to the marked number to start heating. Attached Figure Description

[0060] Figure 1 A schematic diagram of the structure of a heat-generating device for suction materials disclosed in an embodiment of the present invention is shown;

[0061] Figure 2 This diagram illustrates the flow path of flue gas during use of the suction material heating device disclosed in an embodiment of the present invention.

[0062] Figure 3 A schematic diagram of the structure of an aerosol generation component disclosed in an embodiment of the present invention is shown;

[0063] Figure 4 This illustration shows a partial possible arrangement of the heating elements disclosed in an embodiment of the present invention;

[0064] Figure 5 This diagram illustrates a flow chart of a heating method for a heat-generating device for suction materials according to an embodiment of the present invention. Figure 1 ;

[0065] Figure 6 A heating curve diagram showing the heating method of the suction material heating device disclosed in an embodiment of the present invention is shown.

[0066] Figure 7 This diagram illustrates a flow chart of a heating method for a heat-generating device for suction materials disclosed in another embodiment of the present invention. Figure 2 ;

[0067] In the diagram, 100 is the heating device for the suction material, 110 is the tobacco bowl, 120 is the tobacco handle, 121 is the mouthpiece, 122 is the buckle, 130 is the tobacco cover, 131 is the air inlet, 140 is the aerosol generating component, 141 is the support, 142 is the first heating element, 143 is the third heating element, 144 is the second heating element, 145 is the fourth heating element, 150 is the switch, 160 is the control unit, and 170 is the power supply. Detailed Implementation

[0068] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention is presented in conjunction with preferred embodiments, this does not mean that the features of the invention are limited to these embodiments. On the contrary, the purpose of describing the invention in conjunction with embodiments is to cover other options or modifications that may be derived based on the claims of the present invention. To provide a deep understanding of the invention, many specific details will be included in the following description. The invention may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of the invention, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0069] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0070] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in during use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0071] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0072] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0073] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0074] One embodiment of this application discloses a heating device for suction-type materials, such as... Figure 1 and Figure 2 As shown, the respirable material heating device 100 is pipe-shaped, including a bowl 110 with a cavity for accommodating the respirable material and other components. An aerosol generating assembly 140 is disposed within the cavity of the bowl 110. The aerosol generating assembly 140 includes a support portion 141, with at least two heating elements positioned above the support portion 141. Each heating element divides the space above the support portion 141 into at least two heating zones, where the respirable material can be contained. Each heating element is connected to a control unit 160, which controls the heating of each element. The heat energy from each heating element heats the respirable material adjacent to it in two adjacent zones, causing the respirable material to release aerosols without combustion. By sequentially heating each heating element, the inhalation time can be extended, and the consistent release of smoke during the inhalation process can be maintained. Meanwhile, the multiple heating zones within the smoke bowl 110 can hold suction-able materials that do not require special equipment, resulting in a simple structure and wide applicability.

[0075] Specifically, the support part 141 has a mesh structure. The mesh structure can isolate the tobacco material from the channels inside the pipe, ensuring the flow of smoke while also supporting the smokeable material.

[0076] Specifically, the heating element can be connected to the support 141 by bottom welding and / or fixing slots around the perimeter. The resistance traces on the heating element are connected to the bottom wires, which are connected to the circuit board.

[0077] Specifically, after installation, the end of the heating element that is close to the inner wall of the chimney 110 can be fitted against the inner wall of the chimney 110, such as... Figure 1 and Figure 3 As shown. In another specific embodiment, the end of the heating element that is close to the inner wall of the bowl 110 may also have a gap with the inner wall of the bowl 110, and the gap size can be set to 0.5mm-5mm. The fact that the end of the heating element is not in contact with the inner wall of the bowl 110 will greatly reduce the heat transferred from the heating element to the bowl 110, so that the user will not burn their hands when holding the pipe.

[0078] Specifically, the arrangement of heating elements above the support 141 can be varied, such as parallel, intersecting, or a combination of parallel and intersecting, or radial from the center outwards. The lengths of each heating element can be the same or different. Figure 4 The diagram illustrates several possible arrangements of the heating elements when there are 2, 3, and 4 heating elements. Of course, the diagram does not exhaust all the arrangements, but only shows some of the possibilities. As shown in the diagram, the heating elements can be arranged in parallel, radiating outwards from the center, or a combination of parallel and intersecting elements, or arranged in a straight line, dividing the space above the support 141 into several independent heating areas.

[0079] For example, such as Figure 3 As shown, there are four heating elements. Each heating element extends radially from the center of the support portion 141. Along the circumferential direction, they are arranged as follows: first heating element 142, third heating element 143, second heating element 144, and fourth heating element 145. The first heating element 142 and the second heating element 144 are arranged opposite each other, and the third heating element 143 and the fourth heating element 145 are arranged opposite each other. The four heating elements divide the upper part of the support portion 141 into four relatively independent areas: A, B, C, and D.

[0080] Furthermore, such as Figure 1 and Figure 2 As shown, the smoking handle 120 is connected to the smoking bowl 110 via a heating device for the respirable material. An airflow channel is provided inside the smoking handle 120, which communicates with the smoking bowl 110 to facilitate smoke circulation. A mouthpiece 121 is located at the end of the smoking handle 120. The smoke generated after the respirable material is heated passes through the support part 141, flows through the airflow channel of the smoking handle 120 to the mouthpiece 121, and is inhaled by the smoker. The flow direction of the aerosol from the heated respirable material is as follows... Figure 2 As shown.

[0081] As one specific implementation method, such as Figure 1 As shown, the cigarette stem 120 can be formed by connecting two sections of the cigarette rod via a clip 122, and the two sections can be separated during use. A cellulose acetate rod for filtering can also be placed inside the cigarette rod where the mouthpiece 121 is installed to prevent heated ash from entering the mouth.

[0082] The bowl 110 is connected to a cover 130 that can be opened. The cover 130 is provided with an air inlet 131. Users can open the cover 130 to add smokeable material to the bowl 110.

[0083] Specifically, the puffable material involved in this embodiment may include one or more of the following: powder, granules, small balls, fragments, thin strips, strips, or sheets. The material contains one or more of the following: herbaceous plant leaves, tobacco leaves, tobacco ribs, reconstituted tobacco, homogenized tobacco, extruded tobacco, cast leaf tobacco, and expanded tobacco.

[0084] Specifically, homogeneous tobacco refers to materials formed by agglomerating particulate tobacco. Homogeneous tobacco can be in sheet form. It can be formed by agglomerating particulate tobacco, which is obtained by grinding or otherwise pulverizing one or more of tobacco leaves and tobacco stems. Alternatively or additionally, the sheet of homogeneous tobacco material may include one or more of tobacco dust, tobacco particles, and other particulate tobacco byproducts formed during, for example, tobacco processing, handling, and transportation. The sheet of homogeneous tobacco material may include one or more inherent binders as endogenous tobacco binders, one or more exogenous binders as exogenous tobacco binders, or combinations thereof, to help agglomerate the particulate tobacco; alternatively or additionally, the sheet of homogeneous tobacco material may include other additives, including but not limited to tobacco and non-tobacco fibers, aerosol forming agents, humectants, plasticizers, flavorings, fillers, aqueous solvents and non-aqueous solvents, and combinations thereof.

[0085] The smokeable material heating device in this embodiment does not require the material to be made into cigarettes, simplifying the process and eliminating the need for separate cigarette production using equipment such as cigarette rolling machines. Furthermore, due to the structure of the pipe itself, the aerosol emitted from the smokeable material is cooled by the prolonged transition through the bowl 110 and stem 120, eliminating the need for cooling substances like polylactic acid (PLA) used in IQOS. Only the tobacco material needs to be treated, resulting in better safety, more controllable smoke safety, and lower costs.

[0086] Furthermore, a power source 170 is installed inside the pipe. The power source 170 can be a battery, such as a lithium-ion battery, nickel battery, alkaline battery, and / or other batteries. The power source 170 is electrically connected to the heating device for the smokeable material, providing power to the smokeable material. A switch 150 is also installed on the outer wall of the bowl 110. The switch 150 is electrically connected to the control unit 160 and is used to control the start / stop of the entire device and the heating process.

[0087] Furthermore, the material heating device 100 in this embodiment also includes:

[0088] The counting unit, connected to the control unit 160, is used to count the number of heating elements that have been heated;

[0089] The timing unit, connected to the control unit 160, is used to time the heating process of the heating element when it starts heating. When the heating time reaches the preset time value, the timing unit outputs a first detection signal to the control unit 160.

[0090] The warning unit is electrically connected to the control unit 160. When it is necessary to add suction-available material, to remind the user to suction, or in other situations requiring user reminders, the control unit 160 issues a warning signal, and the warning unit receives and issues a warning. For example, the heating device has simulated LED lights, which are white during preheating, red when reminding the user to suction, or the color of a flame, etc.

[0091] Specifically, the timing unit is also used to issue a suction signal when the heating time reaches the suction time threshold; the control unit 160 controls the early warning unit to issue a suction warning based on the suction signal.

[0092] This application also discloses a heating method for a heat-generating device for suction-type materials, and a method for controlling the heating elements to heat sequentially based on the aforementioned heat-generating device for suction-type materials, such as... Figure 5 As shown, the specific steps are as follows:

[0093] Step S11: In response to the start command, the control unit 160 retrieves the value stored in the counting unit;

[0094] Step S12: Determine whether the value is the preset heating element value;

[0095] Step S13: When the value is the preset heating element value, an early warning is issued for adding suction material;

[0096] Step S14: Otherwise, control the corresponding heating element to heat the suctionable material on both sides.

[0097] Specifically, the preset heating element value is equal to the total number of heating elements in the suction material heating device.

[0098] Taking a scenario with four heating elements as an example, the preset heating element value is 4. After activating the respirable material heating device, it first checks if the value in the counting unit is 4. If it is not 4, the corresponding heating element is activated to heat the respirable material on both sides to generate aerosol until one round of pumping is completed. If the value in the counting unit is 4, the respirable material heating device will issue a warning through vibration or LED flashing, reminding the user to add respirable material. This method ensures that each heating element is heated sequentially, meeting the required pumping time and ensuring sufficient vapor production. A reminder to add respirable material is issued promptly after all heating elements have been heated.

[0099] Furthermore, the heating method of the heat-generating device for suction materials also includes timing the heating process of the heating element when it starts heating. When the heating time reaches a preset time value, the counting unit increments by one, and the currently heating element is turned off or switched to heat preservation mode, and the next heating element is started. If there is no interruption, the above process is repeated until one round of suction is completed.

[0100] That is, the heating time of each heating element determines whether the absorbable material on both sides has been heated. For example, if the aerosols volatilized from the absorbable material on both sides of a heating element can meet the suction requirements within 1 minute of heating, the preset time value of the timing unit can be set to 1 minute. When the heating time of the heating element reaches the preset value, the counting unit accumulates 1 and then turns off the heating element or switches it to the heat preservation mode. Then the next heating element is started, and the above steps are repeated.

[0101] As a preferred option, to ensure the consistency of the flue gas, the following can be adopted: Figure 6 Heating is performed in the manner shown. Before the current heating element is fully heated, the next heating element can be started for preheating.

[0102] Furthermore, the heating method of the suction material heating device also includes: detecting whether the cigarette cover 130 is opened; if the cigarette cover 130 is opened, the counting unit is reset to zero.

[0103] Specifically, when the value in the counting unit reaches the preset cartridge value, the squeezable material heating device will issue a warning through vibration or LED flashing, reminding the user to add squeezable material. The user must open the cigarette cap 130 before adding squeezable material; therefore, whether or not the user has opened the cigarette cap 130 can be used as the basis for determining whether squeezable material has been added. Once squeezable material is added, the counter is reset to zero to start counting again.

[0104] Generally, a circuit for detecting the opening and closing of the cigarette cover 130 can be added to the cigarette cover 130. By detecting the opening and closing of the cigarette cover 130, a switch signal is converted and sent to the control unit 160, thereby determining whether a puffable material has been added by using whether the cigarette cover 130 is open.

[0105] Furthermore, the heating method of the suction-type material heating device also includes a timing unit that times the heating process of the heating element when it begins to heat, and issues a suction reminder when the heating time reaches the suction time threshold. That is, when suction begins, the heating element has a preheating time, and the timing unit provides a reminder by flashing a light or vibrating after the heating element has reached the preheating time, prompting the user to begin suction.

[0106] During the suction process, the user can turn off the suction material heating device at any time. The heating method of the suction material heating device also includes, in response to the user's shutdown command, the control unit 160 determines whether there is a heating element currently heating. If so, the control unit 160 marks the value of the counting unit. When the suction material heating device is restarted, the heating element corresponding to the value marked by the control unit 160 plus 1 is activated. This method ensures that even if the user's suction process is interrupted, there are still heating elements that have not been fully heated. The control unit can mark the heating elements at the time of the interruption, and when the heating device is restarted, the heating elements that were not fully heated last time can continue to be heated. This method avoids waste of suction material and ensures the continuity of suction after a brief interruption.

[0107] Furthermore, the heating method of the suctionable material heating device also includes controlling the corresponding heating elements to heat the suctionable material on both sides of the material, including:

[0108] Each heating element is numbered in order from the first to the Nth, where N is the total number of heating elements;

[0109] Heating elements whose control sequence number is 1 greater than the value stored in the counting unit are heated.

[0110] The initial value of the counting unit can be set to 0. After the first heating element finishes heating, the value of the counting unit increases by 1, and the first heating element is turned off. Then the second heating element is turned on, and after the second heating element finishes heating, the value of the counting unit increases by 1, and the second heating element is turned off. Then the third heating element is turned on, and so on, until all heating elements have finished heating if there is no interruption. Also, if there is an interruption during the suction process, when restarting, the heating element corresponding to the increment of the counting unit value by 1 will be activated first, that is, the heating element that was heating when the suction was interrupted.

[0111] This application also discloses a heating method for a heat-generating device for suction-type materials, based on a heat-generating device for suction-type materials including four heating elements, i.e. Figure 1 and Figure 3 As shown, four heating elements are arranged radially. Along the circumference, they are arranged in the following order: first heating element 142, third heating element 143, second heating element 144, and fourth heating element 145. The first heating element 142 and the second heating element 144 are positioned opposite each other, and the third heating element 143 and the fourth heating element 145 are positioned opposite each other. The third heating element 143 and the fourth heating element 145 intersect with the first heating element 142 and the second heating element 144. The four heating elements divide the area above the support 141 into four relatively independent regions: A, B, C, and D. Figure 7 As shown, the heating method of the suction-type material heating device includes the following steps:

[0112] Step S21: In response to the open command, the control unit 160 retrieves the number stored in its internal memory;

[0113] Step S22: Determine the heating element corresponding to the number;

[0114] When the number is the initial value, perform the following steps:

[0115] Step S23: Control unit 160 controls the first heating element 142 to heat. When the heating time reaches the preset time value, control unit 160 controls the first heating element 142 to turn off or switch to heat preservation mode, and the number is updated to the number corresponding to the first heating element 142.

[0116] Step S24: Control unit 160 controls the second heating element 144 to start heating. When the heating time reaches the preset time value, control unit 160 controls the second unit to turn off or switch to heat preservation mode, and the number is updated to the number corresponding to the second heating element 144.

[0117] Step S25: Control unit 160 controls the third heating element 143 and the fourth heating element 145 to start heating; when the heating time of the third heating element 143 and the fourth heating element 145 reaches the preset time value, the number is updated to the number corresponding to the third heating element 143 and the fourth heating element 145, and all heating elements are turned off.

[0118] Step S26: Issue an alert for adding suction material.

[0119] Step S27: Check if the cigarette cover 130 is open. If the cigarette cover 130 is open, restore the number to the initial value.

[0120] When the number corresponds to the first heating element 142, the second heating element 144 is controlled to heat up, that is, the execution starts from step S24 and continues until the end if there is no interruption.

[0121] When the number corresponds to the second heating element 144, the control unit 160 controls the third heating element 143 and the fourth heating element 145 to start heating, that is, the execution starts from step S25 and continues until the end if there is no interruption.

[0122] When the numbers correspond to the third heating element 143 and the fourth heating element 145, step S26 is executed directly, and the control unit issues a warning about adding suction material.

[0123] For example, after activating the heating device for the inhalable material, the control unit 160 retrieves its internally stored number. If it is the initial value, the first heating element 142 is activated. Since the first heating element 142 is in contact with the two tobacco zones A and B, it heats the inhalable material in zones A and B that is close to the first heating element 142. After a certain preheating time, a reminder to inhale is given through vibration, flashing lights, or different colors of lights. After the preset time value is reached, when the aroma substances and nicotine in the inhalable material of zones A and B have evaporated, the second heating element 144 of the heating device is activated, the first heating element 142 is turned off or put into a heat preservation mode, and the inhalable material in zones C and D begins to be heated. If there is no interruption, heating will continue, allowing consumers to inhale the volatile aerosol.

[0124] After the preset time value is reached, when the tobacco aroma compounds and nicotine in the smokeable material near the second heating element 144 in areas C and D have evaporated completely, the second heating element 144 is turned off or put into heat preservation mode. The third heating element 143 and the fourth heating element 145 are then activated to heat the tobacco material adjacent to the third heating element 143 in areas A and D, and the tobacco material adjacent to the fourth heating element 145 in areas B and C. If there is no interruption (the consumer does not turn off switch 150), heating will continue, allowing the consumer to inhale the volatile aerosol, until the preset time value is reached. At this point, all heating elements are turned off, and an alarm to add smokeable material is issued. The consumer can open the tobacco cap 130 to shake or tap out the ash, add smokeable material, or add smokeable material before the next activation of the device, recreating the authentic smoking environment of a pipe.

[0125] During the suction process, the switch 150 can be turned off at any time according to the consumer's wishes. If there is an interruption, the control unit 160 will mark the number corresponding to the heating element that is being heated. When it is started again, the control unit 160 will first control the heating element corresponding to the marked number to start heating.

[0126] In this embodiment, the heating method is to first heat the first heating element 142, and then heat the second heating element 144 opposite to the first heating element 142. Since the heating areas of the first heating element 142 and the second heating element 144 overlap with the third heating element 143 and the fourth heating element 145, heating the third heating element 143 and the fourth heating element 145 together at the end can ensure the consistency of the flue gas before and after heating.

[0127] If there is an interruption and a complete cycle of suction is not completed, the heating will start from the heating element at the time of the previous interruption when the next startup begins. For example, if the user turns off the power while the second heating element 144 is heating, the control program will control the second heating element 144 to start heating when the next startup begins.

[0128] Specifically, the early warning system and the technical solution for restoring the initial value of the serial number by detecting the opening and closing of the cigarette cover 130 are the same as those in the previous embodiment of this application.

[0129] The heating device for smokeable materials disclosed in this application can be divided into zones by heating elements and the heating elements can be controlled to heat sequentially, which can ensure the smoking experience and the consistency of the smoke before and after the process. Furthermore, it has a simple structure, does not require special cigarettes or smokeable materials, and can achieve consistent smoke release during the smoking process, thus extending the smoking time. It is low in cost and has a wide range of applications.

[0130] Meanwhile, the pipe-style smoking mode allows consumers to manually add different flavored tobacco materials. Its grip, playability, and sensory experience are all superior to the smoking devices currently used in new tobacco products, and can restore the real smoking experience to the greatest extent.

[0131] While the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the invention to these descriptions. Various changes in form and detail can be made by those skilled in the art, including some simple deductions or updates, without departing from the spirit and scope of the invention.

Claims

1. A heating device for suctionable materials, characterized in that, The heating device for the extractable material is pipe-shaped and includes: Smoking bowl; The support is located inside the smoke bowl; At least four heating elements are provided, arranged in a cross configuration. The heating elements are mounted on the support portion and extend radially from the center of the support portion along its circumferential direction. Each heating element comprises a first heating element, a third heating element, a second heating element, and a fourth heating element. The first heating element and the second heating element are positioned opposite each other, as are the third and fourth heating elements. Each heating element divides the area above the support portion into multiple independent heating zones, which are used to accommodate suction-operated material. A control unit, electrically connected to each of the heating elements, is used to control each of the heating elements to heat in sequence. A timing unit, connected to the control unit, is used to time the heating process of each heating element when it starts heating. When the heating time reaches a preset time value, the timing unit outputs a first detection signal to the control unit. The control unit is further configured to, when controlling the first heating element to heat, control the second heating element to start heating after receiving the first detection signal, and control the first heating element to turn off or enter a heat preservation mode; and, when controlling the second heating element to heat, control the third heating element and the fourth heating element to start heating after receiving the first detection signal, and control the current second heating element to turn off or enter a heat preservation mode.

2. The suction-type material heating device as described in claim 1, characterized in that, Also includes: A counting unit is connected to the control unit; A timing unit, connected to the control unit, is used to time the heating process of the heating element when the heating element starts to heat. When the heating time reaches a preset time value, the timing unit outputs a first detection signal to the control unit. The control unit is further configured to control the counting unit to increment by one according to the first detection signal, and control the currently heating element to turn off; and is also configured to retrieve the value in the counting unit, and when the value is less than the preset heating element value, the control unit controls the corresponding heating element to heat.

3. The suction-type material heating device as described in claim 2, characterized in that, The preset heating element value is equal to the total number of heating elements.

4. The suction-type material heating device as described in claim 2, characterized in that, It also includes an early warning unit, which is electrically connected to the control unit; when the value in the counting unit is the preset heating element value, the control unit issues an early warning signal, and the early warning unit is used to receive the early warning signal to issue an early warning for the addition of suction material.

5. The suction-type material heating device as described in claim 2, characterized in that, The control unit controls the corresponding heating element to heat up, including: Within the control unit, each heating element is numbered in order from the first to the Nth, where N is the total number of heating elements; The control unit controls the heating element whose serial number is 1 greater than the value stored in the counting unit to heat.

6. The heating device for suctionable materials as described in claim 1, characterized in that, It also includes an early warning unit, which is electrically connected to the control unit; when the control unit controls the heating of the third heating element and the fourth heating element, it issues an early warning signal after receiving the first detection signal, and the early warning unit is used to receive the early warning signal to issue an early warning for the addition of suction material.

7. The suction-type material heating device as described in claim 4 or 6, characterized in that, The timing unit is also used to issue a suction signal when the heating time reaches the suction time threshold; the control unit controls the warning unit to issue a suction warning based on the suction signal.

8. The heating device for suctionable materials as described in claim 1, characterized in that, The end of each heating element that is close to the inner wall of the chimney is attached to the inner wall of the chimney.

9. The heating device for suctionable materials as described in claim 1, characterized in that, Each heating element has a gap between the end of the heating element that is close to the inner wall of the chimney and the inner wall of the chimney.

10. The suction-type material heating device as described in claim 9, characterized in that, The gap is 0.5mm-5mm.

11. The heating device for suctionable materials as described in claim 1, characterized in that, Also includes: A tobacco handle is connected to the tobacco bowl, and an airflow channel is provided inside the tobacco handle, which is connected to the tobacco bowl; A tobacco cap is detachably connected to the tobacco bowl, and the tobacco cap is provided with an air inlet.

12. A heating method for a suction-type material heating device as described in claim 2, characterized in that, The method for heating the extractable material includes: In response to the start command, the control unit retrieves the value stored in the counting unit; Determine whether the value is a preset heating element value; When the value is the preset heating element value, an early warning is issued to install suction material; Otherwise, control the corresponding heating element to heat the suction material on both sides.

13. The heating method of the suction-type material heating device as described in claim 12, characterized in that, The preset heating element value is equal to the total number of heating elements.

14. The heating method of the suction-type material heating device as described in claim 12, characterized in that, The control of the corresponding heating element to heat the suctionable material on both sides includes: The heating elements are numbered in order from the first to the Nth, where N is the total number of heating elements; Heating elements whose serial number is one greater than the value stored in the counting unit are heated.

15. The heating method of the suction-type material heating device as described in claim 12, characterized in that, It also includes timing the heating process of the heating element when it starts heating, and when the heating time reaches a preset time value, the counting unit increments by one and turns off the heating element that is currently being heated or switches the heating element that is currently being heated to a heat preservation mode.

16. The heating method of the suction-type material heating device as described in claim 12, characterized in that, The timing unit times the heating process of the heating element when it starts heating, and issues a suction reminder when the heating time reaches the suction time threshold.

17. The heating method of the suction-type material heating device as described in claim 12, characterized in that, In response to a user's shutdown command, the control unit determines whether a heating element is heating; if so, it marks the value of the counting unit.

18. A heating method for a suction-type material heating device as described in claim 1, characterized in that, The method for heating the extractable material includes: In response to the start command, the control unit retrieves the number stored in its internal memory and determines the heating element corresponding to the number. If the number is an initial value, the control unit controls the first heating element to heat. When the heating time reaches a preset time value, the control unit controls the first heating element to turn off or switch to a heat preservation mode, and the number is updated to the number corresponding to the first heating element. When the number corresponds to the first heating element, the control unit controls the second heating element to heat. When the heating time reaches a preset time value, the control unit controls the second heating element to turn off or switch to a heat preservation mode, and the number is updated to the number corresponding to the second heating element. When the number corresponds to the second heating element, the control unit controls the third and fourth heating elements to start heating. When the heating time reaches a preset time value, the number is updated to the number corresponding to the third and fourth heating elements.

19. The heating method of the suction-type material heating device as described in claim 18, characterized in that, When the number corresponds to the third heating element and the fourth heating element, the control unit issues a warning about adding suction material.

20. The heating method of the suction-type material heating device as described in claim 18, characterized in that, When the heating element starts heating, the heating process of the heating element is timed, and when the heating time reaches the suction time threshold, a suction reminder is issued.

21. The heating method of the suction-type material heating device as described in claim 18, characterized in that, The heating device for the inhalable material also includes a tobacco cover that is connected to the tobacco bowl in an openable manner. The heating method of the heating device for the inhalable material further includes detecting whether the tobacco cover is opened. If the tobacco cover is opened, the number is updated to the initial value.

22. The heating method of the suction-type material heating device as described in claim 18, characterized in that, In response to a user's shutdown command, the control unit determines whether a heating element is heating. If so, the control unit marks the number corresponding to the heating element that is heating. When the suction material heating device is restarted, the control unit controls the heating element corresponding to the marked number to start heating.

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