Heat-not-burn apparatus and heating method therefor

Abstract

A heat-not-burn apparatus (100) and a heating method therefor. The apparatus (100) comprises a housing (10), heating elements (50), and a control assembly (30). The housing (10) is provided with an accommodating cavity (101); there are a plurality of heating elements (50) which are uniformly mounted on the cavity wall of the accommodating cavity (101) to penetrate an aerosol product; the control assembly (30) is mounted on the housing (10), the control assembly (30) is independently and electrically connected to each heating member (50), and the control assembly (30) is configured to be capable of independently controlling the heating of each heating element (50), so as to sequentially control, on the basis of analysis and calculation results of a cumulative heating duration and a total smoking duration, one or more heating elements (50) to heat each time. The heating duration of a single heating element and the heating duration of the portion of the aerosol product corresponding to each heating element can be reduced, helping to avoid overheating of the portion of the aerosol product and energy waste, and helping to improve the energy utilization rate and battery life of the whole device (100).

Description

Heating without burning device and heating method thereof Technical Field

[0001] The present invention relates to the technical field of heat-without-combustion, and in particular to a heat-without-combustion device and a heating method thereof. Background Art

[0002] Heat-not-burn (HNB) devices heat tobacco products at a temperature below that which would cause combustion, producing an aerosol containing nicotine or other ingredients for inhalation. Unlike traditional cigarettes, HNB devices do not burn tobacco, but rather heat the tobacco product sufficiently to produce an aerosol. Therefore, the heating temperature must be kept moderately high to avoid the production of toxic substances, yet moderately low to prevent the formation of an aerosol.

[0003] Heat-not-burn devices typically use a heating element made of a metal circuit printed on ceramic. When powered, they heat the tobacco product using the Joule effect. The heating element is typically located in the center of the tobacco product. The heating temperature and duration of the tobacco product in the center differ from those in the periphery. This can lead to overheating in the center, resulting in a burnt taste and the release of toxic substances, while also causing underheating in the periphery, resulting in a failure to produce aerosols and resulting in waste. Furthermore, this can waste energy in the center, leading to low energy utilization and poor endurance for the entire device.

[0004] Summary of the Invention

[0005] The main technical problem solved by the present invention is to provide a heat-without-combustion device and a heating method thereof, aiming to improve the heating uniformity, energy utilization rate and endurance of the heat-without-combustion device.

[0006] According to a first aspect, an embodiment provides a heat-not-burn device, comprising:

[0007] A housing having a receiving cavity for receiving aerosol generated substances;

[0008] There are multiple heating elements, and the multiple heating elements are evenly arranged on the cavity wall of the accommodating cavity for piercing the aerosol generated;

[0009] A control component is installed on the shell, the control component is electrically connected to each of the heating elements independently, and the control component is configured to independently control the heating of each of the heating elements.

[0010] In an optional embodiment, the accommodating cavity extends in a first direction, and the plurality of heating elements are arranged in the first direction; and the control component is configured to sequentially control the independent heating of each heating element in the first direction.

[0011] In an optional embodiment, the heating element includes a plurality of heating teeth for penetrating into the aerosol generated, the heating teeth having an end portion and a tooth portion, the end portion being fixed to the cavity wall of the accommodating cavity and being electrically connected to the control component, and the tooth portion protruding from the end portion for penetrating into the aerosol generated.

[0012] In an optional embodiment, the plurality of heating teeth are spaced apart in a second direction, and the second direction is perpendicular to the first direction.

[0013] In an optional embodiment, in the same heating element, two adjacent heating teeth are staggered in the second direction.

[0014] In an optional embodiment, a mounting seat corresponding to each of the heating teeth is provided on the cavity wall of the accommodating cavity, and the heating teeth are electrically connected to the control assembly through the corresponding mounting seat;

[0015] The mounting seat includes a first mounting seat and a second mounting seat arranged at an interval, and the end includes a first connecting end and a second connecting end, the first connecting end is connected to the first mounting seat, and the second connecting end is connected to the second mounting seat.

[0016] In an optional embodiment, the housing includes an upper cover and a lower cover, the upper cover is provided with a first accommodating groove, the lower cover is provided with a second accommodating groove, and the first accommodating groove and the second accommodating groove are assembled to form the accommodating cavity;

[0017] The shell includes a first magnetic component provided on the upper cover and a second magnetic component provided on the lower cover, and the first magnetic component and the second magnetic component attract each other to achieve locking of the upper cover and the lower cover.

[0018] In an optional embodiment, both the upper cover and the lower cover are provided with the heating element;

[0019] The control assembly includes a first control unit installed on the upper cover and a second control unit installed on the lower cover, wherein the first control unit is electrically connected to the second control unit via a conductive connection structure;

[0020] The conductive connection structure includes a conductive hole and a conductive column matched with the conductive hole. The conductive hole is arranged on one of the upper cover and the lower cover, and the conductive column is arranged on the other of the upper cover and the lower cover.

[0021] According to a second aspect, an embodiment provides a heating method for a heat-not-burn device, comprising:

[0022] Obtain the current cumulative heating time and total puffing time of the heat-not-burn device;

[0023] Analyzing and calculating the current accumulated heating time and the total puffing time to determine a calculation result;

[0024] Determining the conditions and parameters of the target heating element that needs to participate in heating according to the calculation results;

[0025] The target heating elements are controlled to heat respectively.

[0026] In an optional embodiment, determining the conditions and parameters of the target heating element that needs to participate in heating according to the calculation result includes:

[0027] If the ratio of the current accumulated heating time to the total puffing time is less than or equal to 1 / N, determining that the first heating element among the N heating elements arranged sequentially in the first direction is the target heating element involved in heating;

[0028] If the ratio of the current accumulated heating time to the total puffing time is greater than (n-1) / N and less than or equal to n / N, it is determined that the nth heating element among the N heating elements arranged sequentially in the first direction is the target heating element involved in heating;

[0029] If the ratio of the current accumulated heating time to the total puffing time is greater than n / N and less than (n+1) / N, it is determined that the (n+1)th heating element among the N heating elements arranged sequentially in the first direction is the target heating element involved in heating;

[0030] If the ratio of the current accumulated heating time to the total puffing time is equal to 1, determining that the number of target heating elements participating in heating is zero;

[0031] The first direction is the length direction of the aerosol product, N is the total number of heating elements, and n is a positive integer less than N.

[0032] According to the heat-not-burn device and heating method thereof of the above-mentioned embodiment, the heat-not-burn device includes a shell, a heating element and a control component, the shell having a accommodating cavity for accommodating an aerosol generator; a plurality of heating elements are provided, and the plurality of heating elements are evenly arranged on the cavity wall of the accommodating cavity for piercing the aerosol generator; the control component is installed on the shell, and the control component is independently electrically connected to each heating element, and the control component is configured to: be able to independently control the heating of each of the heating elements. Since the heating element can penetrate the aerosol product, this can increase the contact area between the heating element and the aerosol product, help to improve the heating uniformity of the aerosol product, reduce the difference in heating temperature of the aerosol product in different places, and reduce the burnt taste and waste of aerosol products in the later stage of heating; and the control component can independently control the heating of each of the heating elements, so it is convenient to control the heating of one or more heating elements in sequence according to the analysis and calculation results of the cumulative heating time and the total puffing time, which can reduce the heating time of a single heating element and the heating time of part of the aerosol products corresponding to each heating element, help to avoid overheating of part of the aerosol product, avoid energy waste, and help to improve the energy utilization rate and endurance of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0034] FIG1 is a schematic structural diagram of a heat-without-combustion device according to an embodiment;

[0035] FIG2 is a schematic structural diagram of an embodiment of a heat-without-combustion device in which the upper cover and the lower cover are in an open state;

[0036] FIG3 is a front view of an upper cover in one embodiment;

[0037] FIG4 is a schematic diagram of the internal structure of an embodiment after the upper cover is cut away;

[0038] FIG5 is a perspective view of a lower cover in one embodiment;

[0039] FIG6 is a front view of the lower cover in one embodiment;

[0040] FIG7 is a schematic diagram of the internal structure of the lower cover after being cut open in one embodiment;

[0041] FIG8 is a flowchart of a heating method for a heating-without-combustion device according to an embodiment;

[0042] FIG9 is a flow chart showing the steps of a heating method for a heating-without-combustion device according to another embodiment.

[0043] In the figure: 100, heating without burning device; 10, shell; 1, upper cover; 101, accommodating chamber; 11, first accommodating groove; 12, conductive column; 13, first magnetic member; 14, first mounting chamber; 2, lower cover; 21, second accommodating groove; 22, conductive groove; 23, second magnetic member; 24, charging connector; 25, second mounting chamber; 30, control component; 301, PCB bridge board; 31, first control unit; 32, second control unit; 4, suction nozzle; 41, second end opening; 5, power module; 50, heating element; 51, first heating element; 52, second heating element; 501, heating tooth; 502, end; 5021, first connecting end; 5022, second connecting end; 503, tooth portion; 6, mounting seat; 61, first mounting seat; 62, second mounting seat. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, it is not necessary to describe these related operations in detail. They will fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0045] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0046] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0047] Please refer to Figures 1 to 7. The present application discloses a heat-not-burn device 100, which includes a shell 10, a heating element 50 and a control component 30. The shell 10 has a accommodating cavity 101 for accommodating aerosol products (for example, cigarettes, tobacco products and other tobacco products); the heating element 50 is installed on the shell 10, and the heating element 50 protrudes from the cavity wall of the accommodating cavity 101 for piercing the aerosol product. There are multiple heating elements 50 and they are evenly arranged on the cavity wall of the accommodating cavity 101; the control component 30 is installed on the shell 10, and the control component 30 is independently electrically connected to each heating element 50. The control component 30 is configured to be able to independently control the heating of each heating element 50.

[0048] Since the heating element 50 can penetrate the aerosol product, the contact area between the heating element 50 and the aerosol product is increased, which helps to improve the heating uniformity of the aerosol product, reduce the difference in heating temperature of the aerosol product at different locations, and reduce the occurrence of burnt taste in the late heating stage and waste of aerosol product.

[0049] Furthermore, the heat-not-burn device 100 is also capable of independently controlling the heating of each heating element 50. For example, it can sequentially and individually control the heating of one or more heating elements 50 based on the analysis and calculation results of the cumulative heating time and the total puffing time. The cumulative heating time is the cumulative heating time of the heating element 50 during a single puff; the total puffing time is the total heating time based on the volume of the accommodating chamber 101 to ensure that all aerosol products filled in the accommodating chamber 101 are fully heated and no toxic substances are produced. It can be said that the total puffing time is determined based on the volume of the accommodating chamber 101. For example, the control component 30 can increase the ratio of the cumulative heating time to the total puffing time step by step, and control one or two heating elements 50 among the multiple heating elements 50 to independently heat according to the level, until the ratio reaches 1, completing the heating of all heating elements 50 and all aerosol products. This can reduce the heating time of a single heating element 50 and the heating time of some aerosol products corresponding to each heating element 50, avoid overheating of some aerosol products, avoid energy waste, and help improve the energy utilization and endurance of the entire device.

[0050] Specifically, in some embodiments, the accommodating cavity 101 may be a receiving hole extending in a first direction, with the heating elements 50 arranged continuously or at intervals in the first direction. This first direction is the length of the heat-not-burn device 100. The control assembly 30 can sequentially control the independent heating of each heating element 50 in the first direction based on the ratio of the cumulative heating time to the total puff time. For example, as the ratio increases, the control assembly 30 can independently heat one heating element 50 at a time in the first direction until the ratio reaches 1, completing the heating of all heating elements 50 and all aerosol products. This simulates the actual smoking process, ensuring that the portion of aerosol products corresponding to each heating element 50 is fully heated while avoiding overheating, further improving energy efficiency and enhancing the user experience.

[0051] In one embodiment, the heating element 50 includes a plurality of heating teeth 501 spaced apart in a second direction, where the second direction is the width direction of the heat-without-combustion device 100 perpendicular to the first direction, and each heating tooth 501 is extended in the first direction; two adjacent heating teeth 501 in the second direction are staggered, which helps to evenly arrange the heating teeth 501 on the wall surface of the accommodating cavity 101, thereby helping to improve the heating uniformity of the entire heat-without-combustion device 100.

[0052] As shown in Figures 2, 3, 5 and 6, three heating teeth 501 can be provided, and the three heating teeth 501 are arranged at intervals in the second direction. The heating teeth 501 located in the middle position and the heating teeth 501 located at the end are staggered in the second direction.

[0053] Of course, optionally, the number of heating elements 50 is not limited to three, and can be two, four or more than five, and for a large number of heating teeth 501, multiple heating teeth 501 can be arranged in rows and columns in the first direction and the second direction respectively to achieve uniform arrangement on the side wall of the accommodating cavity 101.

[0054] In addition, the heating teeth 501 in the heating element 50 can also be aligned in the second direction, as long as the two adjacent heating elements 50 are continuous in the first direction or are closely spaced; or in some other embodiments, the heating element 50 can also include a heating wire evenly laid on the wall surface of the accommodating cavity 101, and the heating wire has a piercing portion for piercing into the aerosol product.

[0055] In some embodiments, please continue to refer to Figures 2, 3, 5 and 6. The heating tooth 501 is a long strip structure, and the length direction of the heating tooth 501 is in the same direction as the first direction. The heating tooth 501 has an end 502 and a tooth portion 503. The end 502 of the heating tooth 501 is fixed to the cavity wall of the accommodating cavity 101 and is electrically connected to the control component 30. The tooth portion 503 of the heating tooth 501 protrudes from the end 502 and is provided for piercing the aerosol product. The end 502 of the heating tooth 501 includes a first connecting end 5021 and a second connecting end 5022 located at both ends of the first direction. The tooth portion 503 of the heating tooth 501 is fixedly connected between the first connecting end 5021 and the second connecting end 5022, and protrudes toward the center position of the accommodating cavity 101 to form a piercing tip for piercing the aerosol product. The piercing tip helps to increase the penetration depth of the heating teeth 501 into the aerosol product, thereby increasing the contact area between the heating teeth 501 and the aerosol product and improving the heating uniformity of the aerosol product by the heating teeth 501 .

[0056] In some other embodiments, in order to increase the contact area between the heating tooth 501 and the aerosol generated, multiple branch structures can be set between the first connecting end 5021 and the second connecting end 5022, and the multiple branch structures protrude toward the center position of the accommodating cavity 101 to form short teeth for embedding in the aerosol generated.

[0057] In some embodiments, referring to Figures 2 and 5 , mounting seats 6 corresponding to the heating teeth 501 are provided on the wall of the accommodating chamber 101. The accommodating chamber 101 is formed by assembling and aligning a first accommodating groove 11 and a second accommodating groove 21 in a third direction. The third direction, the second direction, and the first direction are mutually perpendicular. The end surface of the mounting seat 6 facing into the accommodating chamber 101 in the third direction is no higher than or lower than the wall surface of the accommodating chamber 101. The heating teeth 501 are electrically connected to the control assembly 30 disposed in the housing 10 via the corresponding mounting seat 6. The heating teeth 501 can be made of materials such as nickel-chromium alloy, iron-chromium alloy, stainless steel, etc., and the mounting seat 6 can be made of a low-resistance material such as copper alloy, silver-palladium alloy, or pure gold.

[0058] The mounting seat 6 includes a first mounting seat 61 and a second mounting seat 62 arranged at intervals in the first direction, the first mounting seat 61 is a low-pressure mounting seat, and the second mounting seat 62 is a high-pressure mounting seat; the first connecting end 5021 of the heating tooth 501 is fixedly connected to the first mounting seat 61, and the second connecting end 5022 is fixedly connected to the second mounting seat 62. The two ends of the heating tooth 501 are respectively connected to the high-pressure mounting seat and the low-pressure mounting seat to form a resistor for heating the aerosol product. By controlling the power supply of the heating tooth 501, the heating temperature of the heating tooth 501 can be controlled to ensure that the aerosol product has a suitable heating temperature.

[0059] Optionally, in some other embodiments, the heating element 50 may also include a plurality of heating rods, which are arranged at intervals in the second direction, one end of the heating rod is a connecting end, and the other end is a heating end, the heating rod passes through the cavity wall of the accommodating cavity 101, the connecting end of the heating rod is located in the shell 10, and is electrically connected to the control component 30, and the heating end passes through the cavity wall of the accommodating cavity 101 and protrudes toward the accommodating cavity 101 to be embedded in the aerosol generated.

[0060] In some embodiments, the heating element 50 includes a first heating element 51 and a second heating element 52 arranged in pairs, and the first heating element 51 and the second heating element 52 are staggered in the first direction, that is, in a structure with more than three heating elements 50, a second heating element 52 is arranged between two adjacent first heating elements 51, and a first heating element 51 is arranged between two adjacent second heating elements 52.

[0061] Please refer to Figures 2, 3, 5 and 6. For the first heating element 51, the first connection ends 5021 of the multiple heating teeth 501 are located on the side of the second connection end 5022 facing the second heating element 52 in the first direction. This facilitates the connection between the first connection ends 5021 of the heating teeth 501 in the first heating element 51 and the first connection ends 5021 of the heating teeth 501 in the second heating element 52, so as to reduce the number of first mounting seats 61 set on the shell 10; in addition, it also facilitates the electrical connection between the first mounting seat 61 corresponding to the first heating element 51 on the shell 10 and the first mounting seat 61 corresponding to the second heating element 52 in the shell 10, thereby reducing the number of wires connecting the first mounting seat 61 and the control component 30.

[0062] Correspondingly, the first connection ends 5021 of the multiple heating teeth 501 in the second heating element 52 can also be arranged to be located on the side of the second connection end 5022 facing the first heating element 51 in the first direction. This facilitates the connection of multiple first connection ends 5021 to the same first mounting seat 61, or the electrical connection of multiple first mounting seats 61, and also helps to reduce the number of first mounting seats 61 set on the shell 10 or the number of wires connecting the first mounting seat 61 and the control component 30.

[0063] Of course, in other embodiments, two adjacent first heating elements 51 can be set to form a first heating group, and two adjacent second heating elements 52 can be set to form a second heating group, and the first heating group and the second heating group can be staggered in the first direction, that is, the two first heating elements 51 and the two second heating elements 52 can be staggered in the first direction. Under such a structure, in the adjacent first heating elements 51 and the second heating elements 52, the first connection ends 5021 of some heating teeth 501 in the first heating element 51 can also be set to be located on the side of the second connection end 5022 away from the second heating element 52 in the first direction; or the first connection ends 5021 of some heating teeth 501 in the second heating element 52 can be set to be located on the side of the second connection end 5022 away from the first heating element 51 in the first direction. In this way, the adjacent two first heating elements 51 or the adjacent two second heating elements 52 have first connection ends 5021 close to each other, so as to facilitate the connection of multiple first connection ends 5021 in the first heating element 51 to the same first mounting seat 61, or to facilitate the electrical connection of multiple first mounting seats 61 corresponding to the first heating element 51.

[0064] In some embodiments, referring to Figures 2, 3, 5, and 6, the first heating element 51 includes three heating teeth 501. The heating tooth 501 located in the middle in the second direction is positioned closer to or farther away from the second heating element 52 in the first direction, thereby staggering two adjacent heating teeth 501 in the first heating element 51 in the second direction. Correspondingly, the second heating element 52 also includes three heating teeth 501. The heating tooth 501 located in the middle in the second direction is positioned closer to or farther away from the first heating element 51 in the first direction, thereby staggering two adjacent heating teeth 501 in the second heating element 52 in the second direction.

[0065] Furthermore, the first connection ends 5021 of at least two adjacent heating teeth 501 in the first direction are connected and connected to the same first mounting base 61. The two adjacent heating teeth 501 can be the heating teeth 501 located in the middle of the first heating element 51 in the second direction and the heating teeth 501 located in the middle of the second heating element 52 in the second direction, as shown in Figures 5 and 6. The two adjacent heating teeth 501 can also be the heating teeth 501 located at the ends of the first heating element 51 in the second direction and the heating teeth 501 located at the ends of the second heating element 52 in the second direction, as shown in Figure 3. This arrangement helps reduce the number of mounting bases 6 on the wall of the accommodating cavity 101 and also reduces the number of connecting wires between the mounting bases 6 and the control assembly 30.

[0066] In some embodiments, the first connection ends 5021 of multiple heating teeth 501 in the same heating element 50, that is, the multiple heating teeth 501 in the second direction, are located on the same side of the second connection end 5022, and the first mounting seats 61 corresponding to these heating teeth 501 are also located on the same side of the second mounting seat 62. This facilitates electrical connection of multiple first mounting seats 61 corresponding to the same heating element 50, so as to reduce the length and number of connecting wires between the first mounting seat 61 and the control component 30 without affecting the independent heating of each heating element 50.

[0067] For adjacent heating teeth 501 belonging to two heating elements 50 respectively, that is, in an embodiment where the first connection ends 5021 of the two heating teeth 501 arranged in the first direction are close to each other, they are electrically connected to multiple first mounting seats 61 corresponding to the two adjacent heating elements 50 respectively. This can also reduce the length and number of connecting wires between the first mounting seats 61 and the control component 30 without affecting the independent heating of each heating element 50.

[0068] Please refer to Figures 4 and 7, wherein in Figure 4, among the adjacent first heating elements 51 and the second heating elements 52, the four first mounting seats 61 connected to the first connection ends 5021 of the six heating teeth 501 are connected through short-circuit wires and then connected to the control component 30 through the same connecting wire; in Figure 7, among the adjacent first heating elements 51 and the second heating elements 52, among the five first mounting seats 61 connected to the first connection ends 5021 of the six heating teeth 501, two of the first mounting seats 61 are connected through short-circuit wires and then connected to the control component 30 through a connecting wire, and the other three first mounting seats 61 are also connected through short-circuit wires and then connected to the control component 30 through the same connecting wire.

[0069] For the embodiment in which the first connection end 5021 and the second connection end 5022 in each heating tooth 501 of the same heating element 50 are arranged in the same direction, please refer to Figures 4 and 7. The second mounting seat 62 corresponding to each heating tooth 501 can also be conductively connected and electrically connected to the control component 30 through one or two wires to reduce the length and number of connecting wires in the mounting seat 6 and the control component 30 without affecting the independent control of each heating element 50.

[0070] Of course, the structure in which multiple first mounting seats 61 are connected to the control assembly 30 via a single wire can also be applied to embodiments in which the first connection ends 5021 and second connection ends 5022 of two adjacent heating teeth 501 in the second direction are not in the same heating element 50; it can also be applied to embodiments in which the first connection end 5021 of one heating tooth 501 is located farther from the second connection end 5022 than the other heating tooth 501 in two adjacent heating teeth 501 in the first direction and belong to different heating elements 50. The structure in which multiple second mounting seats 62 are connected to the control assembly 30 via one or two wires can also be applied to embodiments in which the first connection ends 5021 and second connection ends 5022 of different heating teeth 501 in the same heating element 50 are not arranged in the same direction.

[0071] Of course, in order to avoid poor contact between the mounting seat 6 and one of the wires in the control component 30 and affect the operation of multiple heating teeth 501, high-voltage connecting lines and low-voltage connecting lines can be respectively configured corresponding to the mounting seat 6 of each heating tooth 501 to ensure that each heating tooth 501 is relatively independent.

[0072] In some embodiments, referring to FIG. 2 , a heat-not-burn device 100 includes an upper cover 1 and a lower cover 2 rotatably connected via a rotating shaft at each end, such as a hinge. A first receiving groove 11 is provided at the end of the upper cover 1 away from the rotating shaft, and a second receiving groove 21 is provided at the end of the lower cover 2 away from the rotating shaft. The first receiving groove 11 and the second receiving groove 21 can be aligned and assembled during the rotation of the upper cover 1 and the lower cover 2 to form a receiving chamber 101 for holding aerosol generated materials. A heating element 50 is provided on the walls of both the first receiving groove 11 and the second receiving groove 21.

[0073] The housing 10 is provided with a locking structure between the upper cover 1 and the lower cover 2. Specifically, the locking structure includes a first magnetic member 13 provided on the upper cover 1 and a second magnetic member 23 provided on the lower cover 2. After the upper cover 1 and the lower cover 2 are aligned and assembled, the first magnetic member 13 and the second magnetic member 23 attract each other to lock the upper cover 1 and the lower cover 2, preventing the upper cover 1 and the lower cover 2 from automatically loosening and causing the aerosol product to escape from the accommodating chamber 101.

[0074] Of course, in some other embodiments, the upper cover 1 and the lower cover 2 can be fixedly connected, so that the aerosol product enters the accommodating cavity 101 from the opening of the accommodating cavity 101 at the end of the length direction of the shell 10, and the heating teeth 501 penetrate into the aerosol product.

[0075] In some embodiments, the upper cover 1 and the lower cover 2 are both hollow shell structures. The upper cover 1 has a first installation cavity 14 inside, and the lower cover 2 has a second installation cavity 25 inside. The notch of the first accommodating groove 11 on the upper cover 1 is set back to the first installation cavity 14, and the notch of the second accommodating groove 21 on the lower cover 2 is set back to the second installation cavity 25; the control component 30 includes a first control unit 31 installed in the first installation cavity 14 and a second control unit 32 installed in the second installation cavity 25. Each control unit includes an electrically connected PCB bridge board 301 and an IC module. A plurality of mounting seats 6 arranged on the cavity wall of the accommodating cavity 101 are connected to the corresponding PCB bridge board 301 through connecting wires. The IC module is used to control the independent heating of each heating element 50 in the corresponding upper cover 1 or lower cover 2.

[0076] Please refer to Figures 2, 3, 5 and 6. The first control unit 31 and the second control unit 32 are electrically connected through a conductive connection structure. The conductive connection structure includes a conductive column 12 provided on the upper cover 1 and a conductive slot 22 provided on the lower cover 2. The conductive column 12 is electrically connected to the first control unit 31, and the conductive slot 22 is electrically connected to the second control unit 32. After the upper cover 1 and the lower cover 2 are assembled and matched, the conductive column 12 and the conductive slot 22 are plugged into each other to realize the electrical connection between the first control unit 31 and the second control unit 32.

[0077] Furthermore, a power module 5 is also provided in the second mounting cavity 25 of the lower cover 2. The power module 5 is electrically connected to the second control unit 32 in the lower cover 2. The power module 5 includes a charging connector 24 provided at the end of the lower cover 2 in the length direction of the shell 10. The charging connector 24 is used for an external power supply to charge the heat-not-burn device 100.

[0078] In some embodiments, referring to FIG. 1 , in a heat-not-burn device 100, the outer contour of the upper cover 1 is generally rectangular, and rounded corners can be provided at positions corresponding to the edges and corners of the rectangular parallelepiped. The outer contour of the lower cover 2 is also generally rectangular, and rounded corners can be provided at positions corresponding to the edges and corners of the rectangular parallelepiped. This prevents the user from being scratched by sharp edges on the outer contours of the upper and lower covers 1 and 2. The upper and lower covers 1 and 2 are assembled to form a housing 10. The cross-section of the housing 10 along its length is generally rectangular, and rounded corners can be provided at positions corresponding to the rectangular corners of the cross-section.

[0079] The opening of the accommodating hole formed by the first accommodating groove 11 and the second accommodating groove 21 is located at the end of the shell 10 in the longitudinal direction of the shell 10. A suction nozzle 4 is also provided at one end of the shell 10 in the longitudinal direction. The suction nozzle 4 has a first end opening and a second end opening 41 at both ends of the longitudinal direction of the shell 10. The first end opening is connected to the second end opening 41. The suction nozzle 4 is nested in the end of the shell 10 through the first end opening, and the first end opening of the suction nozzle 4 is connected to the opening of the accommodating hole. In this way, the aerosol generated in the accommodating hole can be inhaled by the user through the opening of the accommodating hole, the first end opening, and the second end opening 41 in sequence. The cross-sectional outer contour of the end portion of the suction nozzle 4 with a first end opening is generally rectangular, and the edges and corners of the end portion of the suction nozzle 4 are provided with rounded transitions. The shape of the first end opening can also be rectangular, and the shape of the first end opening matches the outer contour of the end portion of the shell 10. The suction nozzle 4 is made of silicone material, and the first end opening of the suction nozzle 4 is sleeved on the outside of the shell 10 to achieve a fixed connection with the shell 10; the shape of the second end opening is circular, and the overall cross-sectional size of the second end is smaller than the overall cross-sectional size of the first end to facilitate the user to hold the second end opening 41 in his mouth.

[0080] In one embodiment, during use of the heat-not-burn device 100, the heating teeth 501 penetrate the aerosol product. Based on the current cumulative heating time and the total heating time of the heat-not-burn device 100, one or more heating elements 50 at different locations along the length of the housing 10 are controlled to heat sequentially under appropriate temperature conditions. This ensures that all heating elements 50 have completed heating by the time the cumulative heating time equals the total puff time. This ensures that every portion of the aerosol product arranged along the length of the chamber 101 is fully and evenly heated, eliminating a burnt taste and the production of toxic substances, while also preventing overheating of a single heating element 50. Furthermore, it helps avoid energy waste, effectively improving energy utilization, and increasing the endurance of the entire heat-not-burn device 100.

[0081] The present application also discloses a heating method for the heat-without-combustion device 100 in any of the above embodiments. Referring to FIG. 8 , the heating method includes:

[0082] S1: Obtain the current cumulative heating time and total puffing time of the heat-not-burn device;

[0083] S2: Analyze and calculate the current cumulative heating time and the total puffing time to determine the calculation result;

[0084] S3: Determine the conditions and parameters of the target heating element that needs to be heated according to the calculation results;

[0085] S4: Control the target heating elements to heat up respectively.

[0086] In some embodiments, in the above-mentioned step S1, the cumulative heating time is the cumulative heating time of the heating element 50 during one puff process, and the total puffing time can be the total heating time that ensures that all aerosol products filled in the accommodating cavity 101 can be fully heated and no toxic substances are produced based on the volume size of the accommodating cavity 101. The above-mentioned cumulative heating time and total puffing time are obtained by the control component 30 of the heat-not-burn device 100.

[0087] In step S2, the control component 30 analyzes and calculates the current cumulative heating time and the total puffing time to obtain a calculation result. The analysis and calculation here may be to calculate the ratio of the current cumulative heating time to the total puffing time, or may be to simply determine whether the current cumulative heating time is greater than a set cumulative heating time, where the set cumulative heating time is less than the total puffing time. The set cumulative heating time is determined by the user based on usage, for example, the set cumulative heating time may be half, one-third, or two-thirds of the total puffing time.

[0088] In the above step S3, the control component 30 still determines the conditions and parameters of the target heating elements that need to participate in the heating based on the calculation results in step S2. The conditions can be the position conditions of the target heating elements, such as the first, the first and second adjacent ones, or the multiple ones arranged at intervals or dispersedly arranged in sequence along the length direction of the accommodating cavity 101; if multiple heating elements 50 are arranged in the second direction, the position conditions of the target heating elements can also be the first, the first and second ones, or the multiple ones arranged at intervals or dispersedly arranged in sequence in the second direction. The parameters of the target heating elements can be the number of target heating elements or the heating power. The number of target heating elements can be one or more, and the heating power can be the total power of multiple heating elements 50 heated simultaneously, or the power of a single heating element 50.

[0089] The location, quantity, and power of the target heating elements to be heated can be determined based on the ratio of the current cumulative heating time to the total puffing time. The location, quantity, and power of the target heating elements to be heated can also be determined based on whether the current cumulative heating time is greater than a set cumulative heating time. The power can be determined based solely on the cumulative heating time. For example, the power can gradually increase as the cumulative heating time increases, or it can first gradually increase and then gradually decrease as the cumulative heating time increases.

[0090] Finally, in S4 , the control component 30 controls the target heating element determined in S3 to participate in heating.

[0091] In this way, the method of controlling the heating of different positions and different numbers of heating elements 50 in sequence or in order according to the cumulative heating time and the total puffing time helps to reduce the heating time of a single heating element 50 and the heating time of some aerosol products corresponding to each heating element 50, helps to avoid excessive heating of some aerosol products, avoids energy waste, helps to improve heating efficiency and energy utilization, and improves the endurance of the heat-not-burn device 100.

[0092] In some embodiments, referring to FIG. 9 , step S3: determining the conditions and parameters of the target heating element that needs to be involved in heating according to the calculation results, including:

[0093] S31: If the ratio of the current accumulated heating time to the total puffing time is less than or equal to 1 / N, determining that the first heating element among the N heating elements arranged sequentially in the first direction is the target heating element involved in heating;

[0094] S32: If the ratio of the current accumulated heating time to the total puffing time is greater than (n-1) / N and less than or equal to n / N, determine that the nth heating element among the N heating elements arranged sequentially in the first direction is the target heating element to participate in heating;

[0095] S33: If the ratio of the current accumulated heating time to the total puffing time is greater than n / N and less than (n+1) / N, determining that the (n+1)th heating element among the N heating elements arranged sequentially in the first direction is the target heating element to participate in heating;

[0096] S34: If the ratio of the current accumulated heating time to the total puffing time is equal to 1, determining that the number of target heating elements participating in heating is zero;

[0097] The first direction is the length direction of the aerosol product, N is the total number of the heating elements 50 , and n is a positive integer less than N.

[0098] The calculation result is the ratio of the current cumulative heating time to the total puffing time, and the conditions and parameters of the target heating element are the position conditions and quantity parameters of the target heating element, respectively.

[0099] In one example, the total number N of heating elements 50 is set to 2, i.e., a first heating element 51 and a second heating element 52 are arranged in the longitudinal direction of the aerosol formation, and the number and length of the heating teeth 501 in each heating element 50 are equal. The ratio of the cumulative heating time to the total puff time is determined: if the cumulative heating time is less than or equal to half of the total puff time, the first heating element 51, which is farther from the mouthpiece 4 in the first direction, is determined to be the target heating element for heating. The first heating element 51 is then controlled to heat, while the second heating element 52 remains in a non-heating state. If the cumulative heating time is greater than half of the total puff time and less than 1, the second heating element 52, which is closer to the mouthpiece 4 in the first direction, is determined to be the target heating element for heating. The second heating element 52 is then controlled to heat, while the first heating element 51 remains in a non-heating state or is adjusted to not heat. If the cumulative heating time is equal to the total puff time, i.e., all aerosol formations have been fully heated and all heating elements 50 have completed a heating cycle, all heating elements 50 are stopped from heating.

[0100] Of course, in other embodiments, the total number N of heating elements 50 can be 3 or more. If there are three heating elements 50, two first heating elements 51 and a second heating element 52 located between the two first heating elements 51 can be provided, and the number and length of the heating teeth 501 in each heating element 50 are equal. If the cumulative heating time is less than or equal to one-third of the total heating time, only one of the first heating elements 51 is determined as the target heating element for starting heating; if the cumulative heating time is greater than one-third of the total heating time and less than or equal to two-thirds of the total heating time, only the second heating element 52 is determined as the target heating element for starting heating; if the cumulative heating time is greater than two-thirds of the total heating time and less than the total heating time, only the other first heating element 51 is determined as the target heating element for starting heating; if the cumulative heating time is equal to the total puff time, that is, all aerosol products are fully heated and all heating elements 50 have completed one heating, all heating elements 50 stop heating.

[0101] This can simulate the actual smoking process, so that each part of the aerosol product in the first direction can be heated independently, and the heating time of each part is equal, which can avoid local aerosol products from being overheated and producing toxic substances, or it can also avoid some aerosol products from not being heated and unable to produce aerosols, which helps to improve the smoking taste, improves heating efficiency and energy utilization, and helps to improve the endurance of the entire heat-not-burn device 100.

[0102] The above examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. Those skilled in the art can make several simple deductions, modifications or substitutions based on the concept of the present invention.

Claims

1. A heat-not-burn device, It is characterized in that include: A housing having a receiving cavity for receiving an aerosol product; A plurality of heating elements are provided, and the plurality of heating elements are evenly arranged on the cavity wall of the accommodating cavity for piercing the aerosol generated; A control component is installed on the shell, the control component is electrically connected to each of the heating elements independently, and the control component is configured to independently control the heating of each of the heating elements.

2. The heat-not-burn device according to claim 1, It is characterized in that The accommodating cavity extends in a first direction, and the plurality of heating elements are arranged in the first direction; the control component is configured to sequentially control each of the heating elements to independently heat in the first direction.

3. The heat-not-burn device according to claim 2, It is characterized in that The heating element includes a plurality of heating teeth for penetrating into the aerosol generated, wherein the heating teeth have an end portion and a tooth portion, wherein the end portion is fixed on the cavity wall of the accommodating cavity and is electrically connected to the control component, and the tooth portion protrudes from the end portion for penetrating into the aerosol generated.

4. The heat-not-burn device according to claim 3, It is characterized in that The plurality of heating teeth are arranged at intervals in a second direction, and the second direction is perpendicular to the first direction.

5. The heat-not-burn device according to claim 4, It is characterized in that In the same heating element, two adjacent heating teeth are staggered in the second direction.

6. The heat-not-burn device according to claim 3, It is characterized in that The cavity wall of the accommodating cavity is provided with mounting seats corresponding to the heating teeth one by one, and the heating teeth are electrically connected to the control component through the corresponding mounting seats; The mounting seat includes a first mounting seat and a second mounting seat that are spaced apart from each other, and the end includes a first connecting end and a second connecting end, the first connecting end is connected to the first mounting seat, and the second connecting end is connected to the second mounting seat.

7. The heat-not-burn device according to any one of claims 1 to 6, It is characterized in that The housing comprises an upper cover and a lower cover, the upper cover is provided with a first accommodating groove, the lower cover is provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are assembled and matched to form the accommodating cavity; The shell includes a first magnetic member arranged on the upper cover and a second magnetic member arranged on the lower cover, and the first magnetic member and the second magnetic member attract each other to achieve locking of the upper cover and the lower cover.

8. The heat-not-burn device according to claim 7, It is characterized in that The upper cover and the lower cover are both provided with the heating element; The control assembly comprises a first control unit installed on the upper cover and a second control unit installed on the lower cover, wherein the first control unit is electrically connected to the second control unit via a conductive connection structure; The conductive connection structure includes a conductive hole and a conductive column matched with the conductive hole, the conductive hole is arranged on one of the upper cover and the lower cover, and the conductive column is arranged on the other of the upper cover and the lower cover.

9. A heating method for a heat-not-burn device according to any one of claims 1 to 8, It is characterized in that include: Obtain the current cumulative heating time and total puffing time of the heat-not-burn device; Analyzing and calculating the current accumulated heating time and the total puffing time to determine a calculation result; According to the calculation results, determining the conditions and parameters of the target heating element that needs to participate in heating; The target heating elements are controlled to heat respectively.

10. The heating method of the heat-not-burn device according to claim 9, It is characterized in that Determining the conditions and parameters of the target heating element that needs to be involved in heating according to the calculation result includes: If the ratio of the current accumulated heating time to the total puffing time is less than or equal to 1 / N, it is determined that the first heating element among the N heating elements arranged sequentially in the first direction is the target heating element involved in heating; If the ratio of the current accumulated heating time to the total puffing time is greater than (n-1) / N and less than or equal to n / N, it is determined that among the N heating elements arranged in sequence in the first direction, the nth heating element is the target heating element involved in heating; If the ratio of the current accumulated heating time to the total puffing time is greater than n / N and less than (n+1) / N, it is determined that among the N heating elements arranged in sequence in the first direction, the (n+1)th heating element is the target heating element involved in heating; If the ratio of the current accumulated heating time to the total puffing time is equal to 1, determining that the number of target heating elements involved in heating is zero; The first direction is the length direction of the aerosol product, N is the total number of heating elements, and n is a positive integer less than N.

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