A segmented heating device and aerosol generating apparatus

Abstract

The application is suitable for the technical field of electronic device heating, and provides a segmented heating device and an aerosol generating equipment, which comprises a base, a heating assembly arranged on the base, a containing cavity for containing aerosol base material arranged in the heating assembly, and a plurality of separated heating areas included in the heating assembly, a driving assembly arranged on the base, an electromagnetic assembly movably arranged on the driving assembly and reciprocally moving up and down along the heating assembly under the driving of the driving assembly, and the heating areas emit heat under the action of the electromagnetic assembly to segmentally heat the aerosol base material. When the electromagnetic assembly is driven by the driving assembly to move to different heating areas, the heating assembly of different heating areas locally heats the aerosol base material through electromagnetic action, thereby avoiding the problem that the whole aerosol base material is simultaneously heated for a long time, and the problem of easily producing a burnt taste can be avoided, and a high taste can be maintained for a long time.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electronic device heating, and particularly relates to a segmented heating device and an aerosol generating apparatus. BACKGROUND

[0002] The aerosol generating apparatus is a device for generating aerosol by heating aerosol substrates. It is widely used because it can meet the physiological and psychological needs of consumers to a certain extent.

[0003] At present, when heating the aerosol substrate, the aerosol generating apparatus usually uses the method of simultaneously heating the entire aerosol substrate, which leads to the generation of a burnt taste when the aerosol substrate is heated for a long time, reduces the purity of the taste, and causes the taste to decay severely in the post-heating section, which is not good for user experience. SUMMARY

[0004] The present application provides a segmented heating device and an aerosol generating apparatus, which aims to solve the problem of poor aerosol taste purity and severe taste decay in the post-heating section caused by simultaneously heating the entire aerosol substrate in the prior art.

[0005] The present application is achieved in this way, which provides a segmented heating device, comprising:

[0006] a base;

[0007] a heating assembly arranged on the base, wherein the heating assembly is internally provided with a containing cavity for containing the aerosol substrate, and the heating assembly comprises a plurality of separated heating areas;

[0008] a driving assembly arranged on the base;

[0009] an electromagnetic assembly movably arranged on the driving assembly to reciprocate up and down along the heating assembly under the driving of the driving assembly, and the heating areas emit heat under the action of the electromagnetic assembly to segmentally heat the aerosol substrate.

[0010] In an embodiment, the electromagnetic assembly comprises:

[0011] a magnetic core body, wherein a movable through hole is arranged on the magnetic core body and movably sleeved on the heating assembly;

[0012] an electromagnetic coil arranged on a side of the magnetic core body away from the movable through hole to generate a magnetic field when powered on; and

[0013] a movable support movably connected with the driving assembly and arranged on the magnetic core body.

[0014] In an embodiment, the driving assembly comprises:

[0015] A driving motor arranged on the base;

[0016] A guide shaft arranged on the power output end of the driving motor, and the guide shaft is movably connected with the movable support.

[0017] In an embodiment, the guide shaft is provided with a screw thread, and the movable support is provided with a screw thread groove, and the guide shaft is embedded in the screw thread groove.

[0018] In an embodiment, the magnetic core body is provided with a mounting groove, the movable support is embedded in the mounting groove, and the electromagnetic coil is wound on the side wall of the mounting groove away from the movable through hole.

[0019] In an embodiment, the heating assembly comprises:

[0020] A first heating member and a second heating member, and a heat insulation member is arranged between the first heating member and the second heating member to separate the first heating member and the second heating member into a first heating area and a second heating area.

[0021] In an embodiment, the first heating member is provided with a first temperature detection device, and the second heating member is provided with a second temperature detection device.

[0022] In an embodiment, the device comprises:

[0023] A power supply module electrically connected with the electromagnetic assembly to supply power to the electromagnetic assembly; and

[0024] A circuit board for integrated control of the power supply circuit of the electromagnetic assembly.

[0025] In an embodiment, the circuit board is fixedly assembled with the base, and the bottom of the base is provided with a recess, and the side of the base close to the heating assembly is provided with a notch, and the recess and the notch are in communication with each other to accommodate the connecting wires of the circuit board.

[0026] In an embodiment of the present application, an aerosol generating device is also provided, comprising:

[0027] A housing with a containing cavity inside;

[0028] An upper cover arranged on the housing to close the containing cavity, and the upper cover is provided with a through hole;

[0029] The segmented heating device as described above is arranged in the housing, and the through hole is in communication with the containing cavity of the heating assembly.

[0030] In the embodiment of the present application, a segmented heating device is provided, comprising a base, a heating assembly arranged on the base, the heating assembly being internally provided with a containing cavity for containing aerosol base material, and the heating assembly comprising a plurality of separated heating areas, a driving assembly arranged on the base, an electromagnetic assembly movably arranged on the driving assembly to reciprocate up and down along the heating assembly under the driving of the driving assembly, and the heating areas emitting heat under the action of the electromagnetic assembly to segmentally heat the aerosol base material. In the present application, by separating the heating assembly into a plurality of heating areas, when the electromagnetic assembly is moved to different heating areas under the driving of the driving assembly, the heating assembly of different heating areas can release heat energy under the action of the electromagnetic assembly, thereby locally heating the aerosol base material, which can avoid the problem that the aerosol base material is easily burnt when the whole aerosol base material is heated for a long time, and by segmental heating, the aerosol base material can keep a state of high taste purity for a long time, avoiding the taste from decaying after heating. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a structure diagram of a segmented heating device provided in the embodiment of the present application Figure One ;

[0032] Figure 2 is a structure diagram of a segmented heating device provided in the embodiment of the present application Figure Two ;

[0033] Figure 3 is a structure diagram of an electromagnetic assembly provided in the embodiment of the present application

[0034] Figure 4 is an exploded view of an electromagnetic assembly provided in the embodiment of the present application

[0035] Figure 5 is a structure diagram of a base provided in the embodiment of the present application

[0036] Figure 6 is a sectional view of an aerosol generating device provided in the embodiment of the present application

[0037] Figure 7 is a structure diagram of an aerosol generating device provided in the embodiment of the present application

[0038] Figure 8 is an exploded view of an aerosol generating device provided in the embodiment of the present application

[0039] Wherein, 1, base; 2, heating assembly; 3, driving assembly; 4, electromagnetic assembly; 5, first temperature detection device; 6, second temperature detection device; 7, power module; 8, circuit board; 9, screw; 10, aerosol base material; 11, groove; 12, notch; 13, guide groove; 21, first heating piece; 22, second heating piece; 23, heat insulation piece; 31, driving motor; 32, guide shaft; 321, screw thread; 41, magnetic core body; 42, coil; 43, movable support; 411, movable through hole; 412, mounting groove; 431, screw thread groove; 101, shell; 102, upper cover; 103, sectional heating device; 1021, through hole. DETAILED DESCRIPTION

[0040] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0041] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0042] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] Reference Figures 1-8In the embodiment of the present application, a segmented heating device 103 is provided, comprising a base 1, a heating assembly 2 arranged on the base 1, wherein the heating assembly 2 is internally provided with a containing cavity for containing aerosol base material, and the heating assembly 2 comprises a plurality of separated heating areas; a driving assembly 3 arranged on the base 1; an electromagnetic assembly 4 movably arranged on the driving assembly 3 and reciprocating up and down along the heating assembly 2 under the driving of the driving assembly 3, wherein the heating areas emit heat under the action of the electromagnetic assembly 4 to segmentally heat the aerosol base material. In the present application, by separating the heating assembly into a plurality of heating areas, when the electromagnetic assembly is moved to different heating areas under the driving of the driving assembly, the heating assembly of different heating areas can release heat energy under the action of the electromagnetic assembly, thereby locally heating the aerosol base material, which can avoid the problem that the aerosol base material is easily burnt when the whole aerosol base material is heated for a long time, and by segmental heating, the aerosol base material can maintain a state of high taste purity for a long time, avoiding the taste attenuation after heating.

[0044] Wherein the driving assembly 3 and the base 1 can be fixedly assembled together by bolts (not shown in the figure).

[0045] Referring to Figures 3-4 In the embodiment of the present application, the electromagnetic assembly 4 comprises a magnetic core body 41, wherein the magnetic core body 41 is provided with a movable through hole 411 movably sleeved on the heating assembly 2; an electromagnetic coil 42 arranged on the side of the magnetic core body 41 away from the movable through hole 411 and generating a magnetic field when energized; and a movable bracket 43 arranged on the magnetic core body 41 and movably connected with the driving assembly 3. Specifically, the cross-sectional area of the movable through hole 411 is greater than that of the heating assembly 2, so that the movable through hole 411 is sleeved on the heating assembly 2 and does not contact the outer surface of the heating assembly 2. When the electromagnetic coil 42 is energized, a magnetic field is generated in the movable through hole 411, and under the action of the magnetic field, the heating assembly 2 generates heat energy, and the magnetic core body 41 can move up and down along the length direction of the heating assembly 2 under the cooperation of the movable bracket 43 and the driving assembly, thereby heating the aerosol base material of different heating areas and realizing segmental heating of the aerosol base material.

[0046] Wherein the movable through hole 411 can be a circular through hole composed of two semicircles, and openings are arranged between the two sides of the two semicircles to form a magnetic induction space between the movable through holes 411.

[0047] Referring to Figures 3-4In the embodiment of the present application, the magnetic core body 41 is provided with a mounting groove 412, the movable support 43 is embedded in the mounting groove 412, and the electromagnetic coil 42 is wound on the side wall of the mounting groove 412 away from the movable through hole 422. When the electromagnetic coil 42 is energized, a magnetic field is generated and transmitted to the heating assembly 2 in the magnetic induction space through the magnetic core body 41, so that the heating assembly 2 generates heat.

[0048] Preferably, the magnetic core body 41 is a ferrite core.

[0049] Preferably, the heating assembly 2 comprises a heating element 21 and a magnetic core body 41. Figure 1 、 Figure 2 、 Figure 6 Preferably, the heating element 21 is a heating wire. Figure 8 Preferably, the driving assembly 3 comprises a driving motor 31 arranged on the base 1 and a guide shaft 32 arranged on the power output end of the driving motor 31 and movably connected with the movable support 43. The guide shaft 32 is driven to rotate by the driving motor 31, so that the movable support 43 moves up and down on the guide shaft 32 to realize segmented heating of the aerosol substrate.

[0050] Preferably, the guide shaft 32 is provided with a screw thread 321, the movable support 43 is provided with a screw groove 431, and the guide shaft 32 is embedded in the screw groove 431. Figure 6 Preferably, the inner wall of the screw groove 431 is provided with a screw thread matched with the screw thread 321. When the guide shaft 32 rotates under the action of the driving motor 31, the screw groove 431 and the screw thread 321 generate an upward and downward thrust, so that the electromagnetic assembly 4 moves up and down along the guide shaft 32.

[0051] Preferably, the heating region of the heating assembly 2 comprises an upper heating region and a lower heating region. The upper heating region is used for heating the upper half of the aerosol substrate, and the lower heating region is used for heating the lower half of the aerosol substrate. The electromagnetic assembly 4 is driven by the driving assembly 3 to move to the upper heating region first, so as to heat the upper half of the aerosol substrate. After the heating is completed, the electromagnetic assembly 4 is driven to move to the lower heating region, so as to heat the lower half of the aerosol substrate. In this way, the upper half of the aerosol substrate is heated first, and then the lower half of the aerosol substrate is heated, so that the aerosol substrate can maintain a better taste.

[0052] Preferably, the heating region comprises a plurality of heating regions, for example, three or four heating regions. The number of heating regions can be set according to the time condition, which is not limited in the present application.

[0053] Preferably, the heating element 21 is a heating wire. Figure 1 、 Figure 2、 Figure 6 and Figure 8 In the embodiment of the present application, the heating assembly 2 comprises a first heating element 21 and a second heating element 22, and a heat insulation element 23 is arranged between the first heating element 21 and the second heating element 22 to separate the first heating element 21 and the second heating element 22 into a first heating area and a second heating area. Specifically, the bottom of the first heating element 21 is assembled with the top of the heat insulation element 23, and the top of the second heating element 22 is assembled with the bottom of the heat insulation element 23, so as to form a structure in which the first heating element 21 and the second heating element 22 are connected in an up-down manner and are insulated in the middle.

[0054] In an embodiment of the present application, the first heating element 21 and the second heating element 22 can be a first metal pipe and a second metal pipe. When the electromagnetic coil 42 conducts electricity, a magnetic field is generated and directed to the surrounding of the first metal pipe through the ferrite core, so that the first metal pipe generates heat to heat the aerosol base material in the first metal pipe, or the magnetic field is directed to the surrounding of the second metal pipe through the ferrite core, so that the second metal pipe generates heat to heat the aerosol base material in the second metal pipe.

[0055] The first metal pipe and the second metal pipe are hollow structures, and the aerosol base material can be inserted into the first metal pipe and the second metal pipe, so as to heat different areas of the aerosol base material through different metal pipes.

[0056] In an embodiment of the present application, the heat insulation element 23 can be made of a material with low thermal conductivity, such as high-temperature-resistant plastic, ceramic, quartz, etc., so as to insulate the heat exchange between the first metal pipe and the second metal pipe.

[0057] In an embodiment of the present application, the heat insulation element 23 can be a tubular structure, and a stopper is arranged on the inner wall of the tubular structure. When the first metal pipe and the second metal pipe are respectively embedded into the top and the bottom of the heat insulation element 23, the embedding distance of the first metal pipe and the second metal pipe can be blocked by the stopper, so as to insulate the first metal pipe and the second metal pipe. The thermal conductivity of the stopper is lower than that of metal, so the heat exchange between the first metal pipe and the second metal pipe can be avoided, and the insulation purpose is achieved.

[0058] In an embodiment of the present application, a through hole can be arranged at the center of the heat insulation element 23, so that the aerosol base material 10 can be inserted into the heating assembly 2 in the order of the first metal pipe, the heat insulation element 23 and the second metal pipe.

[0059] Referring to Figure 1 、 Figure 2 、 Figure 6 and Figure 8In the embodiment of the present application, the first heating member 21 is provided with a first temperature detection device 5, and the second heating member 22 is provided with a second temperature detection device 6. By arranging the temperature detection device 5 and the temperature detection device 6, the temperature of different heating areas can be detected, and temperature control processing can be performed, for example, when the temperature is too high, the heating temperature of the heating assembly 2 can be reduced, when the temperature is too high, the heating temperature of the heating assembly 2 can be increased, and segmented temperature control is realized.

[0060] The temperature detection device 5 and the temperature detection device 6 can be temperature sensors, thermistors and other devices for detecting temperature.

[0061] Referring to Figure 1 , Figure 2 , Figure 6 and Figure 8 In the embodiment of the present application, the device can further include: a power module 7 electrically connected to the electromagnetic assembly 4 to supply power to the electromagnetic assembly 4; and a circuit board 8 for integrated control of the power supply circuit of the electromagnetic assembly 4. The circuit board 8 can be provided with a controller, for example, a single-chip microcomputer, an MCU control chip, and the circuit board 8 is integrated with a power supply circuit to control the power module 7 to supply power to the electromagnetic assembly 4, and the magnetic field generated by the electromagnetic assembly 4 is used to heat the heating assembly 2.

[0062] The circuit board 8 can also be provided with a charging circuit for charging the power module 7, a switch circuit for controlling the start and stop of the driving assembly 3, and the like.

[0063] The circuit board 8 can be a PCB circuit board.

[0064] The power module 7 can be a lithium battery, which can be a rechargeable lithium battery connected to an external charging device through a connecting line for charging.

[0065] The power module 7 and the circuit board 8 are electrically connected.

[0066] In the embodiment of the present application, the circuit board 8 can be fixedly assembled with the base 1 by a plurality of screws 9.

[0067] Referring to Figure 1In the embodiment of the present application, the circuit board 8 is fixedly assembled with the base 1, and the bottom of the base 1 is provided with a groove 11, and the base 1 is provided with a notch 12 on the side close to the heating assembly 2, and the groove 11 and the notch 12 are in communication with each other to accommodate the connecting wires of the circuit board 8. For example, the first temperature detection device 5 and the second detection device 6 can be connected with the circuit board 8 through the connecting wires, and the temperature conditions of different heating areas can be obtained through the circuit board 8 to perform segmented temperature control, and the connecting wires can be accommodated in the notch 12 and the groove 11 and electrically connected with the circuit board 8. The circuit can be conveniently accommodated to avoid safety hazards caused by messy circuits.

[0068] Referring to Figure 2 In the embodiment of the present application, the base 1 is provided with a guide groove 13, and the electromagnetic assembly 4 can move up and down in the guide groove 13 under the driving of the driving assembly 3, and the electromagnetic assembly 4 is provided with active guidance through the guide groove 13 to avoid the electromagnetic assembly 4 from deviating from the active track during movement and to avoid the electromagnetic assembly 4 from shaking and deviating left and right during movement to avoid safety hazards and improve completeness.

[0069] In the embodiment of the present application, by dividing the heating assembly into multiple heating areas, when the electromagnetic assembly is driven by the driving assembly to move to different heating areas, the heating assembly in different heating areas can release heat energy through the action of the electromagnetic assembly, so as to locally heat the aerosol base material. When the aerosol base material is heated for a long time, the problem that the aerosol base material is easy to produce a paste taste can be avoided, and through segmented heating, the aerosol base material can maintain a state of high taste purity for a long time, and the taste attenuation after heating can be avoided.

[0070] Referring to Figure 6 Figure 8 Figure 5 Figure 5 Figures 7-8 In the embodiment of the present application, an aerosol generating device is provided, which comprises a shell 101 having a containing cavity inside; an upper cover 102 arranged on the shell 101 to close the containing cavity, and the upper cover 102 is provided with a through hole 1021; and the segmented heating device 103 as described above, which is arranged in the shell 101, and the through hole 1021 is in communication with the containing cavity of the heating assembly 2. Specifically, during assembly, the segmented heating device 103 can be assembled in the shell 101, and the through hole 1021 can be connected with the containing cavity of the heating assembly 2 through the buckling of the upper cover 102. When the aerosol base material 10 is inserted into the containing cavity through the through hole, the segmented heating device 103 can be used to perform segmented heating treatment on the aerosol base material, so as to achieve the purpose of segmented heating of the aerosol base material by the aerosol generating device.

[0071] In the embodiment of the present application, by arranging the segmented heating device 103 in the aerosol generating device, the heating components of different heating areas can release heat energy through the action of the electromagnetic assembly, thereby locally heating the aerosol base material. This can avoid the problem that the aerosol base material is easily burnt when the whole segment of the aerosol base material is heated for a long time. In addition, through segmented heating, the aerosol base material can maintain a state of high taste purity for a long time, and the taste attenuation after heating is avoided.

[0072] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sectional heating device, characterized in that, The device comprises: a base (1); a heating assembly (2) arranged on the base (1), the heating assembly (2) being internally provided with a containing cavity for containing an aerosol base material (10), and the heating assembly (2) comprising at least two independent heating areas separated by a heat insulation member (23); a driving assembly (3) arranged on the base (1); an electromagnetic assembly (4) movably arranged on the driving assembly (3) to reciprocate up and down along the heating assembly (2) under the driving of the driving assembly (3), the heating areas emitting heat under the action of the electromagnetic assembly (4), comprising: when the electromagnetic assembly (4) is moved to different independent heating areas under the driving of the driving assembly (3), the heating assembly (2) of different independent heating areas releases heat energy under the action of the electromagnetic assembly (4) to segmentally heat the aerosol base material (10); wherein the electromagnetic assembly (4) comprises: a magnetic core body (41) provided with a movable through hole (411) movably sleeved on the heating assembly (2); an electromagnetic coil (42) arranged on the magnetic core body (41) away from the movable through hole (411) to generate a magnetic field when energized; and a movable bracket (43) arranged on the magnetic core body (41) and movably connected with the driving assembly (3); the magnetic core body (41) is provided with a mounting groove (412), the movable bracket (43) is embedded in the mounting groove (412), and the electromagnetic coil (42) is wound on the side wall of the mounting groove (412) away from the movable through hole (411).

2. The segmented heating device of claim 1, wherein, The driving assembly (3) comprises: a driving motor (31) arranged on the base (1); a guide shaft (32) arranged on the power output end of the driving motor (31), the guide shaft (32) being movably connected with the movable bracket (43).

3. The segmented heating device of claim 2, wherein, The guide shaft (32) is provided with a screw thread (321), and the movable bracket (43) is provided with a screw groove (431), the guide shaft (32) being embedded in the screw groove (431).

4. The segmented heating device of claim 1, wherein, The heating assembly (2) comprises: a first heating member (21) and a second heating member (22), the first heating member (21) and the second heating member (22) being provided with the heat insulation member (23) therebetween to separate the first heating member (21) and the second heating member (22) into a first heating area and a second heating area.

5. The segmented heating device of claim 4, wherein, The first heating member (21) is provided with a first temperature detection device (5), and the second heating member (22) is provided with a second temperature detection device (6).

6. The segmented heating device of claim 1, wherein, The device comprises: a power supply module (7) electrically connected with the electromagnetic assembly (4) to supply power to the electromagnetic assembly (4); and a circuit board (8) for integrated control of the power supply circuit of the electromagnetic assembly (4).

7. The segmented heating device (103) of claim 6, wherein, The circuit board (8) is fixedly assembled with the base (1), and the bottom of the base (1) is provided with a groove (11), one side of the base (1) close to the heating assembly (2) is provided with a notch (12), the groove (11) and the notch (12) are in communication with each other to accommodate the connecting wire of the circuit board (8).

8. An aerosol-generating device comprising: The device comprises: A shell (101) with a containing cavity inside; An upper cover (102) arranged on the shell (101) to close the containing cavity, and a through hole (1021) arranged on the upper cover (102); The segmented heating device (103) according to any one of claims 1-7 is arranged in the shell (101), and the through hole (1021) is in communication with the containing cavity of the heating assembly (2).

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