KR102865525B1 - Device for generating aerosol - Google Patents

Abstract

An aerosol generating device is disclosed. The aerosol generating device of the present disclosure may include: a body having an insertion space in which a heater is positioned; a substrate accommodated within the body; a sensing coil wound around the insertion space and connected to the substrate; a capacitance sensor mounted on the substrate; and an inductive sensor; and a switch mounted on the substrate and switching such that the sensing coil is connected to either the capacitance sensor or the inductive sensor.

Description

Aerosol generating device {DEVICE FOR GENERATING AEROSOL}

The present disclosure relates to an aerosol generating device.

An aerosol generator is designed to extract a specific component from a medium or substance through an aerosol. The medium may contain various components. The components contained in the medium may include various flavoring substances. For example, the components contained in the medium may include nicotine, herbal ingredients, and/or coffee ingredients. Recently, extensive research has been conducted on such aerosol generators.

The present disclosure aims to solve the above-mentioned and other problems.

Another purpose may be to provide an aerosol generating device capable of detecting a variety of changes through a single sensor.

Another purpose may be to provide an aerosol generating device with improved sensing sensitivity or sensing accuracy.

According to one aspect of the present disclosure for achieving the above-described object, there is provided an aerosol generating device comprising: a body having an insertion space in which a heater is positioned; a substrate accommodated in the body; a sensing coil winding the insertion space and connected to the substrate; a capacitance sensor mounted on the substrate; and an inductive sensor; and a switch mounted on the substrate and switching such that the sensing coil is connected to one of the capacitance sensor and the inductive sensor.

According to at least one of the embodiments of the present disclosure, an aerosol generating device capable of detecting various changes through one sensor may be provided.

According to at least one of the embodiments of the present disclosure, an aerosol generating device having improved sensing sensitivity or sensing accuracy can be provided.

Further scope of the applicability of the present disclosure will become apparent from the detailed description below. However, since various modifications and variations within the spirit and scope of the present disclosure will become apparent to those skilled in the art, it should be understood that the detailed description and specific examples, such as preferred embodiments of the present disclosure, are given by way of example only.

FIGS. 1 to 18 are drawings illustrating examples of aerosol generating devices according to embodiments of the present disclosure.

Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Regardless of the drawing numbers, identical or similar components are given the same reference numbers and redundant descriptions thereof will be omitted.

The suffixes "module" and "part" used for components in the following description are given or used interchangeably only for the convenience of writing specifications, and do not have distinct meanings or roles in themselves.

In addition, when describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the attached drawings are only intended to facilitate easy understanding of the embodiments disclosed in this specification, and the technical ideas disclosed in this specification are not limited by the attached drawings, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and technical scope of the present disclosure.

Terms that include ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by these terms. These terms are used solely to distinguish one component from another.

When a component is referred to as being "connected" or "connected" to another component, it should be understood that it may be directly connected or connected to that other component, but that there may be other components intervening. Conversely, when a component is referred to as being "directly connected" or "connected" to another component, it should be understood that there are no other components intervening.

Singular expressions include plural expressions unless the context clearly indicates otherwise.

Referring to FIGS. 1 and 2, the aerosol generator may include at least one of a battery (101) and a control unit (102). At least one of the battery (101) and the control unit (102) may be placed inside the body (10) of the aerosol generator. The body (10) may have a shape that is elongated vertically.

A stick (S) can be inserted into a body (10). The lower end of the stick (S) can be inserted into the inside of the body (10), and the upper end of the stick (S) can protrude outside the body (10). A user can hold the upper end of the stick (200) exposed to the outside in his/her mouth and inhale air. The body (10) can provide an insertion space (14) that is opened upward so that the stick (S) can be inserted. A heater (50) can heat the stick (S). The heater (50) can be located in the insertion space (14).

Referring to FIG. 1, the aerosol generating device may include a heater (50). The heater (50) may protrude upward from the lower portion of the insertion space (14). The heater (50) may be detachably coupled to the body (10) (see FIGS. 5 and 6).

The heater (50) may include a heater rod (51). The heater rod (51) may form the exterior of the heater (50). The heater rod (51) may extend vertically. The heater rod (51) may have a cylindrical shape. The heater rod (51) may have a hollow portion opened downward. The upper end of the heater rod (51) may be formed to be pointed upward. The heater rod (51) may have high thermal expandability, excellent thermal insulation, and low thermal conductivity. The heater rod (51) may have high rigidity. For example, the heater rod (51) may be formed of zirconia. However, the material of the heater rod (51) is not limited thereto.

The heater (50) may include a heating element (52). The heating element (52) may be inserted into a hollow space inside the heater rod (51). The heating element (52) may extend vertically. The heating element (52) may be formed in a cylindrical shape. The heating element (52) may be formed of a resistive metal. Heat generated from the heating element (52) may be transferred to the outside of the heater (50) through the heater rod (51). The heating element (52) may be arranged at a height corresponding to the third insertion space (34).

Referring to FIG. 2, the heating element (52) of the heater (50) is fixed to the inside of the stick (S), and when the stick (S) is inserted into the insertion space (14), the heater (50) can be positioned in the insertion space (14). When the stick (S) is removed from the insertion space (14), the heater (50) can be removed from the insertion space (14).

The aerosol generating device may include an induction coil (60) surrounding a heater (50). The induction coil (60) may surround the insertion space (14). The induction coil (60) may heat the heater (50). The heater (50) is a susceptor, and the heating element (52) of the heater (50) may be heated by a magnetic field generated by an AC current flowing through the induction coil (60). The magnetic field may penetrate the heater (50) and generate an eddy current within the heater (50). The current may generate heat in the heating element (50). The heat generated from the heating element (52) may pass through the heater rod (51) and be transferred to the outside of the heater (50). The induction coil (60) may be arranged at a height corresponding to the heating element (52).

The induction coil (60) may include an inner coil (61) and an outer coil (62). The inner coil (61) and the outer coil (62) may wind the insertion space (14). The outer coil (62) may be arranged on the outside of the inner coil (61). The inner coil (61) and the outer coil (62) may be formed integrally. One end of the inner coil (61) and one end of the outer coil (62) may be connected to each other. The outer coil (62) may extend from one end of the inner coil (61) and wind the inner coil (61). The outer coil (62) may be wound in the same direction as the inner coil (61) (see FIG. 14). The radius of the outer coil (62) may be larger than the radius of the inner coil (61).

Accordingly, the strength of the magnetic field can be increased by increasing the number of coil turns without increasing the coil's vertical length. Furthermore, by making the outer surface of the coil flat, the formability with external attachment structures can be improved. This will be described later.

The aerosol generating device may include a sensing coil (70). The sensing coil (70) may surround a portion of the insertion space (14). The sensing coil (70) may be arranged vertically with respect to the induction coil (60). For example, the sensing coil (70) may be arranged below the induction coil (60). As another example, the sensing coil (70) may be arranged above the induction coil (60) (see FIGS. 17 and 18). In order to improve sensing sensitivity, the arrangement of the sensing coil (70) may be adjusted in consideration of the position of the heater (50) or the stick (S).

The battery (101) can supply power to operate components of the aerosol generator. The battery (101) can supply power to at least one of the control unit (102), the heater (50), the induction coil (60), and the sensing coil (70). The battery (101) can supply power necessary for the operation of a display, motor, etc. installed in the aerosol generator.

The control unit (102) can control the overall operation of the aerosol generator. The control unit (102) can control the operation of at least one of the battery (101), the heater (50), the induction coil (60), and the sensing coil (70). The control unit (102) can control the operation of a display, a motor, etc. installed in the aerosol generator. The control unit (102) can check the status of each component of the aerosol generator to determine whether the aerosol generator is in an operable state. The control unit (102) can receive the value sensed by the sensing coil (70) to determine the status of the surroundings.

Referring to FIGS. 3 and 4, a control unit (102) may be mounted on a substrate (80). Alternatively, the substrate (80) may be electrically connected to another substrate having a control unit (102) mounted thereon. A capacitance sensor (76) may be mounted on the substrate (80). The capacitance sensor (767) may be connected to the control unit (102). An inductive sensor (77) may be mounted on the substrate (80). The inductive sensor (77) may be connected to the control unit (102). A switch (75) may be mounted on the substrate (80). The switch (75) may be connected to either the capacitance sensor (76) or the inductive sensor (77). The switch (75) may switch the connection from either the capacitance sensor (76) or the inductive sensor (77) to the other. The switch (75) may be referred to as a switching element (75). The substrate (80) may be electrically connected to a battery (101, see FIGS. 1 and 2). The control unit (102) may control the operation of the switch (75).

The sensing coil (70) can be electrically connected to the substrate (80). The sensing coil (70) can be connected to either a capacitance sensor (76) or an inductive sensor (77) via a switch (75). The switch (75) can release the connection between the sensing coil (70) and the capacitance sensor (76) and connect the sensing coil (70) and the inductive sensor (77). The switch can release the connection between the sensing coil (70) and the inductive sensor (77) and connect the sensing coil (70) and the capacitance sensor (76). The sensing coil (70) can be connected to the capacitance sensor (76) to measure a capacitance value in the surroundings. The sensing coil (70) can be connected to a surrounding inductive sensor (77) to measure an inductance value. The capacitance change and the inductance change can change according to the state change of an object around the sensing coil (70). The control unit (102) can detect or determine various states based on the capacitance value. The control unit (102) can detect or determine various states based on the inductance value. The control unit (102) can control the operation of various components of the aerosol generating device based on the detected state.

For example, in the case of a stick (S) inserted into an insertion space (14), the degree of over-humidification may vary depending on the degree of use, and at this time, a change in capacitance around the sensing coil (70) may occur, and a capacitance value around the sensing coil (70) measured by a capacitance sensor (76) may vary. Accordingly, the control unit (102) can detect the degree to which the stick (S) has been used.

For example, the capacitance value around the sensing coil (70) measured by the capacitance sensor (76) may be different depending on whether the stick (S) is inserted into the insertion space (14) or not. Accordingly, the control unit (102) can detect whether the stick (S) is inserted into the insertion space (14).

For example, the inductance value around the sensing coil (70) measured by the inductive sensor (77) may be different when the stick (S) is inserted into the insertion space (14) and when it is not inserted. Accordingly, the control unit (102) can detect whether the stick (S) is inserted into the insertion space (14).

For example, depending on the type of stick (S), the internal and external materials included may be different, and depending on the type of stick (S) inserted into the insertion space (14), the inductance value around the sensing coil (70) measured by the inductive sensor (77) may be different. Accordingly, the control unit (102) can detect which type of stick (S) is inserted into the insertion space (14).

A change in capacitance is more sensitive to changes in humidity, and thus may be more suitable for recognizing the usage amount of the stick (S). A change in inductance may be more suitable for recognizing a specific stick (S). Considering this, the control unit (102) may control the switch (75) to connect the capacitance sensor (76) and the sensing coil (70) to recognize the usage amount of the stick (S). In addition, the control unit (102) may control the switch (75) to connect the inductive sensor (77) and the sensing coil (70) to recognize the type of the stick (S).

The function of the sensing coil (70) is not limited to the above-described one, and can be utilized if the surrounding state can be judged through factors that cause changes in capacitance or inductance in the surroundings. For this purpose, a lookup table indicating the capacitance value around the sensing coil (70) measured by the capacitance sensor (76) and the corresponding change state of the surrounding environment can be stored in the memory. In addition, a lookup table indicating the inductance value around the sensing coil (70) measured by the inductive sensor (77) and the corresponding change state of the surrounding environment can be stored in the memory.

Accordingly, changes in capacitance and inductance can be detected through a single sensor. In addition, by separating the area where the induction coil (60) heats the heater (50) and the area where the sensing coil (70) senses, noise that the induction coil (60) causes to the sensing can be reduced (see FIGS. 1 and 2). In addition, since it can be positioned closer to the insertion space (14) or the stick (S), the sensing sensitivity or accuracy can be improved (see FIGS. 1 and 2).

Referring to FIGS. 5 and 6, the body (10) may provide a first insertion space (14) therein. The first insertion space (14) may be opened upward. The first insertion space (14) may have a cylindrical shape that extends vertically. The first insertion space (14) may be defined by a body pipe (11) formed inside the body (10). The body pipe (11) may include a lateral wall (111) surrounding the periphery of the first insertion space (14) and a lower wall (112) covering the bottom of the first insertion space (14). The lower wall (112) may be formed at the bottom of the body pipe (11). The lateral wall (111) of the body pipe (11) may be referred to as an inner lateral wall (111) of the body (11).

The heater holder (20) can be detachably inserted into the first insertion space (14). The heater holder (20) can provide a second insertion space (24) therein. The second insertion space (24) can be opened upward. The second insertion space (24) can have a cylindrical shape. The second insertion space (24) can be defined by a pipe (20') of the heater holder (20). The pipe (20') can include a side wall (21) surrounding the periphery of the second insertion space (24) and a bottom wall (22) covering the bottom of the second insertion space (24). The bottom wall (22) of the pipe (20') can be referred to as a bottom (22) or a mount (22). The bottom wall (22) of the pipe (20') can form the bottom (22) of the heater holder (20). The heater (50) can be coupled or fixed to the heater holder (20). The pipe (20') can be named a heater holder pipe (20').

The extractor (30) can be detachably inserted into the second insertion space (24). The extractor (30) can provide a third insertion space (34) therein. The third insertion space (34) can be opened to one side. The third insertion space (34) can have a cylindrical shape. The third insertion space (34) can be defined by the side wall (31) and the lower wall (32) of the extractor (30). The outer circumferential surface of the extractor (30) can have a cylindrical shape.

The lower end of the stick (S) is inserted into the third insertion space (34), and the upper end of the stick (S) can protrude outside the aerosol generating device. The heater (50) can heat the first insertion space (14), the second insertion space (24), and the third insertion space (34). The heater (50) can heat the stick (S) inserted into the third insertion space (34).

Accordingly, the heater (50) can be easily replaced. The sizes of the insertion spaces (14, 24, 34) and the heaters (50) placed in the insertion spaces (14, 24, 34) are very small, making replacement difficult. However, the user can easily replace the heater (50) by separating the heater holder (20) from the aerosol generator and placing a new heater holder (20) in the aerosol generator.

In addition, foreign substances generated from the stick (S) can be extracted through the extractor (30) without remaining around the heater (50) and the heater holder (20). Accordingly, cleaning of the aerosol generating device around the heater (50) becomes easier, and convenience of management can be improved. In addition, factors that reduce the performance of the heater (50) can be reduced, the durability of the heater (50) can be improved, and the replacement cycle of the heater (50) can be extended. In addition, factors that spoil the taste of the stick (S) can be reduced.

The lower end of the heater (50) can be fixed to the mount (22). The heater (50) can be extended long toward the opening of the second insertion space (24). The heater (50) can be formed in a cylindrical shape, and the upper end can be pointed upward. As another example, the heater (50) can have a shape extending in the circumferential direction and can be coupled to the side wall (21) of the heater holder (20). However, this is an example, and the shape of the heater (50) is not limited to that described above or illustrated, and can be coupled to the heater holder (20) so long as it can heat the stick (S) inserted into the third insertion space (34).

The heater holder (20) can be formed by insert injection into the heater (50). The heater holder (20) can have high heat resistance and excellent rigidity. For example, the heater holder (20) can be formed of polyetheretherketone (PEEK). However, the material of the heater holder (20) is not limited thereto.

The through hole (35) can be formed by opening the lower wall (32) of the extractor (30). The through hole (35) can be opened vertically. When the extractor (30) is inserted into the second insertion space (24), the heater (50) can protrude through the through hole (35) into the third insertion space (34). When the stick (S) is inserted into the third insertion space (34), the heater (50) can be inserted into the lower part of the stick (S).

The induction coil (60) can surround the first insertion space (14). The induction coil (60) can surround the second insertion space (24). The induction coil (60) can surround the third insertion space (34). The induction coil (60) can be wound around the side wall (111) of the body pipe (11). The induction coil (60) can surround the heater (50). The induction coil (60) can heat the heater (50).

Accordingly, the stick (S) can be easily separated from the heater (50). The user can easily separate the stick (S) from the heater (50) by separating the extractor (30) and the heater holder (20) from each other. The stick (S) inserted into the interior of the extractor (30) can be more easily separated from the extractor (30) by separating it from the heater (50). The stick (S) can be separated even when the extractor (30) and the heater holder (20) are not separated from each other.

In addition, foreign substances generated from the stick (S) can be extracted through the extractor (30) without remaining around the heater (50) and the heater holder (20). Accordingly, cleaning of the aerosol generating device around the heater (50) becomes easier, and convenience of management can be improved. In addition, factors that reduce the performance of the heater (50) can be reduced, the durability of the heater (50) can be improved, and the replacement cycle of the heater (50) can be extended. In addition, factors that spoil the taste of the stick (S) can be reduced.

The inner coil (61) and the outer coil (62) can be wound around the side wall (111) of the body pipe (11). The outer coil (62) can be arranged on the outside of the inner coil (61). The inner coil (61) and the outer coil (62) can surround the heater (50). The outer coil (62) can be formed by extending from one end of the inner coil (61). For example, the inner coil (61) can be wound around the side wall (111) of the body pipe (11) in an upward direction, and the outer coil (62) can be extended from the upper end of the inner coil (61) and wind around the inner coil (61) in a downward direction.

Accordingly, the strength of the magnetic field can be increased by increasing the number of turns of the coil without increasing the vertical length of the coil.

The sensing coil (70) may be placed on the lower side of the induction coil (60). The sensing coil (70) may surround the lower part of the first insertion space (14). The sensing coil (70) may surround the lower part of the side wall (111) of the body pipe (11).

Accordingly, it can be positioned closer to the body pipe (11) or the first insertion space (14). In addition, the detection range can be increased by surrounding the insertion space (14). In addition, the detection body does not need to sense by penetrating the induction coil (60). Accordingly, the sensing sensitivity and sensing accuracy can be improved.

The sensing coil (70) can surround the lower part of the pipe (20') of the heater holder (20). The sensing coil (70) can be adjacent to the lower wall (32) of the extractor (30). The induction coil (60) can be arranged at a height corresponding to the heating unit (52). The sensing coil (70) can be arranged at a height different from the heating unit (52). For example, the sensing coil (70) can be arranged at a height lower than the heating unit (52). The heating unit (52) can be arranged higher than the lower wall (32) of the extractor (30).

The heater holder (20) can be placed between the body (10) and the extractor (30). The side wall (111) of the body pipe (11) can surround the side wall (21) of the heater holder (20). The lower wall (112) of the body pipe (11) can face the lower wall (22) of the heater holder (20). The side wall (21) of the heater holder (20) can surround the side wall (31) of the extractor (30). The lower wall (22) of the heater holder (20) can face the lower wall (32) of the extractor (30).

The side wall (31) of the extractor (30) can be spaced inward from the side wall (21) of the heater holder (20). The lower wall (32) of the extractor (30) can be spaced upward from the lower wall (22) of the heater holder (20). Air can flow between the extractor (30) and the heater holder (20), pass through the through hole (35), and then be provided to the stick (S) inserted into the third insertion space (34).

The upper wall (12) of the body (10) may extend outwardly in a horizontal direction from the upper end of the body pipe (11). The upper wall (12) of the body (10) may cover the upper end of the induction coil (60). The outer lateral wall (13) of the body (10) may extend downwardly from the outer end of the upper wall (12) of the body (10). The outer lateral wall (13) of the body (10) may face the side wall (111) of the body pipe (11). The outer lateral wall (13) of the body (10) may be spaced outwardly from the body pipe (11). The induction coil (60) may be arranged between the body pipe (11) and the outer lateral wall (13) of the body (10).

The upper case (40) can be detachably coupled to the body (10). The upper case (40) can be coupled to the upper side of the body (10). The upper case (40) can cover the periphery of the first insertion space (14) and the upper periphery of the body (10). The upper case (40) can have an insertion opening (44). The stick (S) can be inserted into the insertion opening (44). The upper case (40) can include a cap (45) for opening and closing the insertion opening (44). The cap (45) can slide laterally to open and close the insertion opening (44). The heater holder (20) can be arranged between the body (10) and the upper case (40).

The upper case (40) may include an upper case body (41). The insertion opening (44) may be formed by opening the upper case body (41) upwardly and downwardly. The insertion opening (44) may be formed at a position that is offset to one side from the center of the upper case body (41). The lower surface of the upper case body (41) may have a shape corresponding to the upper wall (12) of the body (10). The lower surface of the upper case body (41) may extend horizontally, parallel to the upper wall (12) of the body (10). The cap (45) may be installed so as to be slidable on the upper surface of the upper case body (41).

The upper case (40) may include an upper case wing (42). The upper case wing (42) may extend downward from both sides of the upper case body (41). A portion of the side of the upper case body (41) may be exposed between the pair of upper case wings (42). The upper case wing (42) may be referred to as an upper case grip (42).

The extractor (30) can be coupled to the upper case (40). The upper end of the extractor (30) is coupled to the upper case (40), and the lower end of the extractor (30) can protrude downward from the upper case (40). The extractor (30) can be coupled to a position corresponding to the insertion port (44). The insertion port (44) can be located on the upper side of the third insertion space (34). The insertion port (44) can connect the third insertion space (34) to the outside of the aerosol generating device.

The upper end of the extractor (30) can be coupled to the upper case body (41). The extractor (30) can extend downward from the upper case body (41). The extractor (30) can be placed between a pair of upper case wings (42).

The body (10) may include a body wing (16). The body wing (16) may extend upward from the edge of the upper wall (12) of the body (10). The body wings (16) may be formed as a pair facing each other with the upper portion of the body (10) as the center. The body wings (16) may be formed at a position that is misaligned with the upper case wing (42).

When the upper case (40) is coupled to the body (10), the upper case (40) can form the upper exterior of the aerosol generating device. When the upper case (40) is coupled to the body (10), the body wing (16) can cover the side portion of the upper case body (41) exposed between the upper case wings (42). When the upper case (40) is coupled to the body (10), the upper case wing (42) can cover the outer wall (13) of the body (10).

Accordingly, the user can more easily separate the extractor (30) from the body (10). The user can separate the extractor (30) inserted into the second insertion space (24) without the inconvenience of gripping the extractor (30) by holding the outer surface of the upper case (40) and separating it from the body (10). For example, the user can easily separate the upper case (40) and the extractor (30) from the body (10) by holding a pair of upper case wings (42) and pulling them from the body (10).

The extractor (30) may be provided with a catch (37). The catch (37) may protrude outward in a horizontal direction from the upper outer surface of the extractor (30). A plurality of catches (37) may be provided. A plurality of catches (26) may be arranged spaced apart from each other in the circumferential direction. The catch (37) may be inserted into a groove formed in the upper case body (41) around the insertion hole (44) and caught, thereby fixing the extractor (30) to the upper case (40). The catch (37) may be engaged with the upper case body (41) in the circumferential direction.

Accordingly, during the insertion and separation process of the stick (S), the extractor (30) can be prevented from rotating in the circumferential direction with respect to the upper case (40).

The heater holder (20) may include an extension portion (23). The extension portion (23) may be formed at the upper end of the heater holder (20). The extension portion (23) may extend outward in a horizontal direction from the upper end of the pipe (20'). The extension portion (23) may have a plate shape. The extension portion (23) may be formed such that one side is longer with respect to the pipe (20'). The extension portion (23) may be referred to as a heater holder extension portion (23).

The extension (23) may have a shape corresponding to the upper wall (12) of the body (10). The extension (23) may be formed horizontally on the upper wall (12) of the body (10). When the pipe (20') is inserted into the first insertion space (14), the extension (23) may be supported or seated on the upper wall (12) of the body (10). The upper wall (12) of the body (10) may support the extension, and the extension (23) may support the pipe (20'). The pipe (20') may be suspended from the extension (23) and spaced upward from the bottom (112) of the body pipe (11) to form an air gap. The outer circumferential surface of the pipe (20') may be spaced inward from the side wall (111) of the body pipe (11) to form an air gap.

The extension (23) may have a shape corresponding to the lower surface of the upper case body (41). The extension (23) may be formed horizontally on the lower surface of the upper case body (41). When the upper case (40) is coupled to the body (10) and the extractor (30) is inserted into the inside of the pipe (20'), the extension (23) may come into contact with the lower surface of the upper case body (41).

The first coupling member (27) can be fixed to the heater holder (20). For example, the first coupling member (27) can be fixed to the extension member (23). The first coupling member (27) can be fixed to the inner or outer surface of the extension member (23). The heater holder (20) can be insert-molded into the first coupling member (27) and the heater (50).

The extension portion (23) may include a first extension portion (231) and a second extension portion (232). The first extension portion (231) may extend from the pipe (20') to one side, and the second extension portion (232) may extend from the pipe (20') to the other side. The first extension portion (231) may extend longer than the second extension portion (232). The circumference of the first extension portion (231) may be larger than the circumference of the second extension portion (232). The first extension portion (231) may be formed to be wider in the horizontal direction than the second extension portion (232). With respect to the pipe (20') extending downward from the plate-shaped extension portion (23), one side may be defined as the first extension portion (231), and the other side may be defined as the second extension portion (232). The pipe (20') can extend downward from a portion offset to one side from the center of the extension (23).

The first coupling member (27) may be fixed to a first extension portion (231) that extends longer to one side from the pipe (20') among the extension portions (23). The first coupling member (27) may have a plate shape. The first coupling member (27) may be widely arranged in a horizontal direction on the first extension portion (23). The position at which the first coupling member (27) is arranged is not limited thereto. For example, the first coupling member (27) may be fixed to the pipe (20').

The first joining member (27) may be formed of a magnetic material. The first joining member (27) may be a ferromagnetic material. For example, the first joining member (27) may be formed of stainless steel. However, the material of the first joining member (27) is not limited thereto.

The second coupling member (47) may be fixed to the upper case (40). The second coupling member (47) may be fixed to the inside of the upper case body (41). The second coupling member (47) may be adjacent to the lower surface of the upper case body (41). However, the position where the second coupling member (47) is arranged is not limited thereto. For example, the second coupling member (47) may be fixed to the upper case wing (42). As another example, the second coupling member (47) may be fixed to the extractor (30). The second coupling member (47) may be arranged at a position corresponding to the first coupling member (27).

The second coupling member (47) can exert an attractive force on the first coupling member (27). For example, the first coupling member (27) may be a ferromagnetic material, and the second coupling member (47) may be a magnet. However, the materials of the first coupling member (27) and the second coupling member (47) are not limited thereto.

The third coupling member (17) can be fixed to the inside of the body (10). The third coupling member (17) can be adjacent to the upper wall (12) of the body (10). The third coupling member (17) can be arranged at a position corresponding to the first coupling member (27). However, the position at which the third coupling member (17) is arranged is not limited thereto. For example, the third coupling member (17) can be adjacent to the side wall (111) of the body pipe (11). The third coupling member (17) can exert an attractive force on the first coupling member (27). For example, the first coupling member (27) can be a ferromagnetic material, and the third coupling member (17) can be a magnet. However, the materials of the first coupling member (27) and the third coupling member (17) are not limited thereto.

Referring to FIGS. 4 and 5, the frame (18) may be placed on the lower side of the upper body (10a). The frame (18) may be placed on the outer side of the body pipe (11). The frame (18) may support the induction coil (60). The frame (18) may support the sensing coil (70). The induction coil (60) may be placed on the upper side of the frame (18). The sensing coil (70) may be placed on the upper side of the frame (70).

The frame (18) may include a first frame (181) and a second frame (182). The second frame (182) may be coupled to the upper side of the first frame (181). The second frame (182) may be surrounded by the upper wall (12), the inner wall (111), and the outer wall (13) of the upper body (10a). The third connecting member (17) may be disposed between the upper wall (12) of the upper body (10a) and the second frame (182). The third connecting member (17) may be fixed to a fixing member (187) formed on one side of the second frame (182). A part of the first frame (181) may be disposed on the lower side of the body pipe (11). Another part of the first frame (181) may be inserted into the interior of the second frame (182).

The coil arrangement space (114) may be defined by the inner wall (111), the upper wall (12), and the outer wall (13) of the upper body (10a). The coil arrangement space (114) may surround the inner wall (111). The coil arrangement space (114) may be opened downward.

The induction coil hole (64) may be surrounded by the induction coil (60) and may be opened vertically. The sensing coil hole (74) may be surrounded by the sensing coil (70) and may be opened vertically. The induction coil hole (64) and the sensing coil hole (74) may be arranged vertically. For example, the sensing coil hole (74) may be located below the induction coil hole (64). The frame hole (184) may be formed by opening the second frame (182). The frame hole (184) may be formed below the induction coil hole (64) and the sensing coil hole (74). The induction coil hole (64), the sensing coil hole (74), and the frame hole (184) may have a shape corresponding to the side wall (11) of the body pipe (11). The pipe holder (187) may surround the frame hole (184). The pipe holder (187) may be formed in the frame (18). The pipe holder (187) may have a ring shape. The pipe holder (187) may be a part of the second frame (182).

The body pipe (11) can pass through the induction coil hole (64) and the sensing coil hole (74). When the body pipe (11) passes through the induction coil hole (64) and the sensing coil hole (74), the induction coil (60) and the sensing coil (70) are arranged in the coil arrangement space (114), and the body pipe (11) and the first insertion space (14) can be surrounded by the induction coil (60) and the sensing coil (70). The lower periphery of the body pipe (11) can be inserted into the frame hole (184) and surrounded by the pipe holder (187). The lower periphery of the body pipe (11) can be supported by the pipe holder (187).

Referring to FIGS. 7 and 8, the induction coil (60) is connected to the substrate (80), its operation is controlled by the control unit (102), and power can be supplied from the battery (101). The sensing coil (70) is connected to the substrate (80), its operation is controlled by the control unit (102), and power can be supplied from the battery (101).

The substrate (80) can be coupled to the frame (18). For example, the substrate (80) can be coupled to one side of the frame (18) via a screw (85). The substrate (80) can be arranged vertically on one side of the first frame (181). The substrate (80) can be coupled to the first frame (181) and arranged on the lower side of the second frame (182).

The substrate (80) may include a connector (83). The connector (83) may include a pair of first connectors (831) and a pair of second connectors (832). The first connector (831) may connect the induction coil (60) and the substrate (80). Each of the opposite ends of the induction coil (60) may be electrically connected to each of the pair of first connectors (831). The second connector (832) may connect the sensing coil (70) and the substrate (80). Each of the opposite ends of the sensing coil (70) may be electrically connected to each of the pair of second connectors (832). The connector (83) may be arranged on the upper side of the substrate (80) and adjacent to the lower side of the second frame (182).

Referring to Fig. 9, a splitter (186) may be arranged on the upper side of the substrate (80) and the connector (83). The splitter (186) may be formed on one side of the frame (18). For example, the splitter (186) may protrude from the pipe holder (187). The splitter (186) may be formed in multiples. The multiple splitters (186) may be arranged spaced apart from each other on the upper side of the connector (83) around the frame hole (184). The splitter hole (185) may be formed between the multiple splitters (186).

A plurality of splitter holes (185) may be formed. Each of the plurality of splitter holes (185) may be formed at a position corresponding to each of the plurality of connectors (83). For example, four splitter holes (185) may be formed.

The splitter hole (185) may include a pair of first splitter holes (1851) and a pair of second splitter holes (1852). Each of the pair of first splitter holes (1851) may be positioned corresponding to the upper side of each of the pair of first connectors (831). Each of the pair of second splitter holes (1852) may be positioned corresponding to the upper side of each of the pair of second connectors (832).

The supporter (183) can protrude from the frame (18). The supporter (183) can be formed around the frame hole (184). The supporter (183) can support the induction coil (60).

Referring to FIGS. 10 to 12, only the body pipe (11) is illustrated in the upper body (10a, see FIG. 7) for convenience so that the induction coil (60) and the sensing coil (70) can be seen. The induction coil (60) and the sensing coil (70) can surround the body pipe (11). The sensing coil (70) can be placed on the lower side of the induction coil (60).

The induction coil (60) may include an inner coil (61) and an outer coil (62). The upper end of the inner coil (61) may be connected to the upper end of the outer coil (62), so that the inner coil (61) and the outer coil (62) may be formed integrally. The inner coil (61) may wind the body pipe (11) in one direction (e.g., counterclockwise) along the upper direction, and the outer coil (62) may extend from the upper end of the inner coil (61) and wind the inner coil (61) in one direction (e.g., counterclockwise) along the lower direction. The lower end of the outer coil (62) may be adjacent to the lower end of the inner coil (61). Accordingly, the body pipe (11) may be doubly wound.

Each of a pair of inductive lead wires (631, 632) may be connected to each of a pair of first connectors (831). Through this, the inductive coil (60) may be electrically connected to the substrate (80). Each of the pair of inductive lead wires (631, 632) may extend downwardly from each of the two ends of the inductive coil (60). The first inductive lead wire (631) may extend downwardly from the lower end of the inner coil (61). The second inductive lead wire (632) may extend downwardly from the lower end of the outer coil (62). The upper end of the first inductive lead wire (631) and the upper end of the second inductive lead wire (632) may be formed at adjacent heights.

In the case of the conventional induction coil (60') illustrated in Fig. 11(a), each of a pair of induction lead wires (631', 632') extends downward from the upper and lower ends of the induction coil (60'). In this case, the length of the induction lead wire (632') extending downward from the upper end becomes too long, which is structurally unstable and exposes the device to a greater risk of short circuiting. In addition, since the induction lead wire (632') overlaps the outer side of the induction coil and extends downward, the outer shape of the induction coil (60') protrudes in the radial direction, which causes problems in assembling and form compatibility with other structures.

However, in the case of the present invention illustrated in FIG. 11(b), the induction coil (60) may include an inner coil (61) and an outer coil (62), and among a pair of induction lead wires (631, 632), the first induction lead wire (631) may extend downward from the lower end of the inner coil (61), and the second induction lead wire (632) may extend downward from the lower end of the outer coil (62). The length (L2) of the second induction lead wire (632) corresponding thereto may be shorter than the length (L2') of the induction lead wire (632') of the conventional induction coil (60'). The lengths (L2) of the second induction lead wire (632) and the length (L1) of the first induction lead wire (631) may be similar to each other.

Accordingly, the structural stability of the lead wire can be improved and the risk of disconnection can be reduced. In addition, by making the external shape of the induction coil (60) round, the assemblability and conformability with external structures can be improved. For example, the assemblability and structural conformability with the outer wall (13) of the upper body (10a, see FIG. 7) can be improved. In addition, the strength of the magnetic field can be increased without increasing the vertical length of the induction coil (60).

Each of the first inductive lead wire (631) and the second inductive lead wire (632) may be positioned at a position corresponding to each of the pair of first splitter holes (1851). Each of the first inductive lead wire (631) and the second inductive lead wire (632) may be positioned at a position corresponding to each of the pair of first terminals (831). The first inductive lead wire (631) may pass through either one of the pair of first splitter holes (1851) and be connected to either one of the pair of first terminals (831). The second inductive lead wire (632) may pass through the other one of the pair of first splitter holes (1851) and be connected to the other one of the pair of first terminals (831).

Each of the pair of sensing lead wires (73) may extend downward from each of the two ends of the sensing coil (70). For example, the pair of sensing lead wires (73) may be positioned between the pair of inductive lead wires (631, 632). Each of the pair of sensing lead wires (73) may be positioned at a position corresponding to each of the pair of second splitter holes (1852). Each of the pair of sensing lead wires (73) may be positioned at a position corresponding to each of the pair of second terminals (832). Each of the pair of sensing lead wires (73) may pass through each of the pair of second splitter holes (1852) and be connected to each of the pair of second terminals (832). The sensing lead wire (73) can be supported by a pipe holder (187) surrounding the lower part of the body pipe (11) (see Fig. 13).

A pair of sensing lead wires (73), a first inductive lead wire (631) and a second inductive lead wire (632) may be arranged between a plurality of splitters (186). The splitters (186) may separate and arrange the pair of sensing lead wires (73), the first inductive lead wire (631) and the second inductive lead wire (632), thereby preventing contact between them. The splitters (186) may support the pair of sensing lead wires (73), the first inductive lead wire (631) and the second inductive lead wire (632), thereby fixing their respective positions.

Accordingly, contact and interference between lead wires can be prevented. Furthermore, the arrangement of lead wires can be stabilized. Furthermore, disconnection of lead wires can be prevented.

The induction coil (60) may have a larger radius of outer circumference than the sensing coil (70) that is wound around the body pipe (11) in a single direction by doubly winding the body pipe (11). A predetermined width (t) may be formed in the radial direction between the outer circumference of the sensing coil (70) and the outer circumference of the induction coil (60). The induction coil (60) may protrude in the radial direction by a predetermined width (t) greater than the sensing coil (70).

The supporter (183) can support the induction coil (60) and/or the sensing coil (70). For example, the supporter (183) can support the lower part of the outer coil (62). For example, the supporter (183) can support the outer surface of the sensing coil (70). The supporter (183) can separate or space the induction coil (60) and the sensing coil (70) so that they do not come into contact with each other.

As an example, the supporter (183) may be formed on the frame (18). As another example, it may be formed to protrude outward from the side wall (111) of the body pipe (11) between the induction coil (60) and the sensing coil (70). However, this is only one embodiment, and the position where the supporter (183) is formed is not limited thereto, and the induction coil (60) and the sensing coil (70) may be separated from each other so as not to come into contact with each other, and the induction coil (60) and/or the sensing coil (70) may be supported.

The inductive lead wires (631, 632) can pass through the outside of the sensing coil (70). The inductive lead wires (631, 632) can be supported by a pipe holder (187) surrounding the lower periphery of the body pipe (11) (see Fig. 13). The pipe holder (187, see Fig. 13) can separate the inductive lead wires (631, 632) from contacting the outside of the sensing coil (70).

Accordingly, the induction coil (60) and the sensing coil (70) can be prevented from interfering with each other.

Referring to Fig. 14, the induction coil (60) may be placed at a height corresponding to the heating portion (52) of the heater (50). The vertical length (L31) of the induction coil (60) may be greater than the vertical length (L30) of the heating portion (52). The heating portion (52) may be positioned at a height between the upper and lower ends of the induction coil (60).

The inner coil (61) and the outer coil (62) can be wound in the same direction in the insertion space (14). The vertical lengths of the inner coil (61) and the outer coil (62) can be the same or similar to each other. For example, the vertical length of the inner coil (61) and the vertical length of the outer coil (62) can be L31. The inner coil (61) can be arranged at a height corresponding to the heating part (52). The outer coil (62) can be arranged at a height corresponding to the heating part (52). The number of turns of the outer coil (62) can be the same or similar to the number of turns of the inner coil (61). The number of turns per length of the outer coil (62) can be the same or similar to the number of turns per length of the inner coil (61).

The sensing coil (70) may be placed below the induction coil (60). The vertical length (L31) of the induction coil (60) may be greater than the vertical length (L33) of the sensing coil (70). The sensing coil (70) may be placed below the heating unit (52) at a height that is different from the heating unit (52).

Accordingly, the strength of the magnetic field affecting the heater (50) can be increased by increasing the number of turns of the coil without increasing the vertical length of the induction coil (60). In addition, the area where the induction coil (60) heats the heater (50) and the area where the sensing coil (70) senses can be divided vertically. In addition, sensing noise can be reduced and sensing accuracy can be improved.

Referring to Fig. 15, the vertical length (L30) of the outer coil (62) may be smaller than the vertical length (L31) of the inner coil (61). The vertical length (L30) of the outer coil (62) may be the same as or similar to the vertical length (L30) of the heating unit (52). The outer coil (62) may be arranged at a height between the upper and lower ends of the inner coil (61). The outer coil (62) may be arranged at a height corresponding to the heating unit (52). The number of turns of the outer coil (62) may be smaller than the number of turns of the inner coil (61). The number of turns per length of the outer coil (62) may be the same as or similar to the number of turns per length of the inner coil (61).

Accordingly, the induction coil (60) can be double-wound around the heater (50) to increase the strength of the magnetic field in the required area, while the materials required for manufacturing the induction coil (60) can be relatively reduced.

Referring to FIG. 16, the pitch (P1) of the inner coil (61) and the pitch (P2) of the outer coil (62) may be different from each other. For example, the pitch (P2) of the outer coil (62) may be larger than the pitch (P1) of the inner coil (61). The vertical length (L32) of the outer coil (62) may be smaller than the vertical length (L31) of the inner coil (61). The number of turns of the outer coil (62) may be smaller than the number of turns of the inner coil (61). The number of turns per length of the outer coil (62) may be smaller than the number of turns per length of the inner coil (61).

Accordingly, the induction coil (60) can be double-wound around the heater (50) to increase the strength of the magnetic field in the required area, while the materials required for manufacturing the induction coil (60) can be relatively reduced.

Referring to FIGS. 17 and 18, the sensing coil (70) may be placed above the induction coil (60). The sensing coil (70) may be placed above the heating unit (52) at a height that is different from the heating unit (52). When the extractor (30) supports the stick (S), the sensing coil (70) may be placed at a position higher than the lower wall (32) of the extractor (30). For example, the lower end of the heating unit (52) may be adjacent to the lower wall (32) of the extractor (30), and the sensing coil (70) may be placed at a position higher than the lower wall (32) of the extractor (30) and the upper end of the heating unit (52).

A pair of sensing lead wires (73) can extend downward from both ends of the sensing coil (70) and pass through the outer side of the induction coil (60). Accordingly, the sensing lead wires (73) can be prevented from being heated by the induction coil (60).

Referring to FIGS. 1 to 18, an aerosol generating device according to one aspect of the present disclosure may include: a body having an insertion space in which a heater is positioned; a sensing coil winding the insertion space; a capacitance sensor connected to the sensing coil and measuring a capacitance value around the sensing coil; an inductive sensor connected to the sensing coil and measuring an inductance value around the sensing coil; and a switch electrically connecting the sensing coil to either the capacitance sensor or the inductive sensor.

In another aspect of the present disclosure, the aerosol generating device may further include an induction coil that winds the insertion space and generates heat in the heater.

According to another aspect of the present disclosure, the sensing coil may be arranged below the induction coil and may wind the lower portion of the insertion space.

In another aspect of the present disclosure, the aerosol generating device may further include a substrate on which the capacitance sensor and the inductive sensor are mounted and which is disposed below the sensing coil; and an inductive lead wire extending from the induction coil and connected to the substrate, the inductive lead wire passing through the outer side of the sensing coil.

According to another aspect of the present disclosure, the sensing coil may be disposed above the induction coil and may wind the upper portion of the insertion space.

According to another aspect of the present disclosure, the aerosol generating device may further include a substrate on which the capacitance sensor and the inductive sensor are mounted and which is disposed below the induction coil; and a sensing lead wire extending from the sensing coil and connected to the substrate, the sensing lead wire passing through the outside of the induction coil.

According to another aspect of the present disclosure, the induction coil may be arranged at a height corresponding to the heater, and the sensing coil may be arranged at a height that is different from the heater.

In another aspect of the present disclosure, the aerosol generating device may further include: a substrate on which the capacitance sensor and the inductive sensor are mounted and which is disposed below the sensing coil; a pair of sensing lead wires each extending from both ends of the sensing coil and connected to the substrate; and a splitter disposed between the pair of sensing lead wires to separate the pair of sensing lead wires from each other.

In another aspect of the present disclosure, the aerosol generating device may further include a plurality of connectors formed on the substrate, each of the pair of sensing lead wires passing through a respective splitter hole formed between each of the plurality of splitters; wherein each of the plurality of connectors is formed corresponding to the splitter hole at a position adjacent to the splitter hole, and a connector to which one end of the sensing lead wire is connected.

According to another aspect of the present disclosure, the aerosol generating device may further include: an induction lead wire extending from the induction coil and connected to the substrate; a sensing lead wire extending from the sensing coil and connected to the substrate; and a splitter separating the induction lead wire and the sensing lead wire.

According to another aspect of the present disclosure, the splitter may be disposed below the induction coil and the sensing coil, and the substrate may be disposed below the splitter.

In addition, according to another aspect of the present disclosure, the aerosol generating device further includes a control unit that controls the operation of the switch, and the control unit can determine a state around the sensing coil based on a capacitance value measured by the capacitance sensor when the switch electrically connects the sensing coil and the capacitance sensor, and can determine a state around the sensing coil based on an inductance value measured by the inductive sensor when the switch electrically connects the sensing coil and the inductive sensor.

Referring to FIGS. 1 to 18, an aerosol generating device according to one aspect of the present disclosure may include a body having an insertion space in which a heater is positioned; and an induction coil that winds the insertion space and generates heat by the heater, wherein the induction coil may include an inner coil that winds the insertion space; and an outer coil that extends from the inner coil and winds the inner coil and the insertion space on the outside of the inner coil.

According to another aspect of the present disclosure, the inner coil and the outer coil are wound in the same direction as each other in an aerosol generating device.

In addition, according to another aspect of the present disclosure, the inner coil can be wound circumferentially along the upper direction in the insertion space, and the outer coil can be extended from the upper end of the inner coil and be wound circumferentially along the lower direction in the insertion space.

According to another aspect of the present disclosure, the aerosol generating device may further include: a substrate accommodated inside the body at a lower side of the induction coil and electrically connected to the induction coil; a first induction lead wire extending downward from a lower end of the inner coil and connected to the substrate; and a second induction lead wire extending downward from a lower end of the outer coil and connected to the substrate.

According to another aspect of the present disclosure, the height of the top of the first inductive lead wire and the height of the top of the second inductive lead wire may be adjacent to each other.

In another aspect of the present disclosure, the aerosol generating device may further include a splitter disposed between the first induction lead wire and the second induction lead wire at the lower side of the induction coil and separating the first induction lead wire and the second induction lead wire from each other.

In another aspect of the present disclosure, the splitter is formed in a plurality, and a splitter hole is formed between each of the plurality of splitters, and the aerosol generating device further includes a plurality of connectors formed on the substrate and formed adjacent to each of the plurality of splitter holes, and the first inductive lead wire and the second inductive lead wire can pass through each of the adjacent splitter holes and be connected to each of the adjacent connectors.

According to another aspect of the present disclosure, the second inductive lead wire may be arranged on the outside of the inner coil.

According to another aspect of the present disclosure, the inner coil and the outer coil may be arranged at a height corresponding to the heater.

In addition, according to another aspect of the present disclosure, the vertical lengths of the inner coil and the outer coil may correspond to each other.

In addition, according to another aspect of the present disclosure, the vertical length of the outer coil may be formed to be smaller than the vertical length of the inner coil.

According to another aspect of the present disclosure, the pitch of the outer coil may be smaller than the pitch of the inner coil.

According to another aspect of the present disclosure, the number of turns of the outer coil may be smaller than the number of turns of the inner coil.

According to another aspect of the present disclosure, the radius of the outer coil may be greater than the radius of the inner coil.

Certain embodiments or other embodiments of the disclosure described above are not mutually exclusive or distinct from each other. Any or all elements of the embodiments of the disclosure described above may be combined with another or combined with each other in configuration or function.

For example, it means that configuration A described in a particular embodiment and/or drawing can be combined with configuration B described in another embodiment and/or drawing. That is, even if the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible (For example, a configuration "A" described in one embodiment of the disclosure and the drawings and a configuration "B" described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).

The above detailed description is to be considered in all respects as illustrative and not restrictive. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all changes coming within the equivalent range of the present invention are intended to be embraced therein. (Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings, and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art.)

Claims (12)

A body having an insertion space in which a heater is positioned;
A sensing coil that winds the above insertion space;
A capacitance sensor connected to the sensing coil and measuring a capacitance value around the sensing coil;
An inductive sensor connected to the sensing coil and measuring the inductance value around the sensing coil;
A switch electrically connecting the sensing coil to the capacitance sensor or the inductive sensor;
A substrate on which the capacitance sensor and the inductive sensor are mounted;
A pair of sensing lead wires extending from each end of the sensing coil and connected to the substrate; and
A splitter is disposed between the pair of sensing lead wires to separate the pair of sensing lead wires from each other,
An aerosol generating device in which either the capacitance sensor or the inductive sensor is selectively connected to the sensing coil by the switch. In the first paragraph,
An aerosol generating device further comprising an induction coil that winds the above insertion space and generates heat from the heater. In the second paragraph,
The above sensing coil,
An aerosol generating device arranged on the lower side of the above induction coil and winding the lower part of the insertion space. In the third paragraph,
A substrate on which the capacitance sensor and the inductive sensor are mounted and placed on the lower side of the sensing coil; and
An aerosol generating device further comprising an induction lead wire extending from the induction coil and connected to the substrate, the induction lead wire passing through the outer side of the sensing coil. In the second paragraph,
The above sensing coil,
An aerosol generating device arranged on the upper side of the above induction coil and winding the upper part of the above insertion space. In paragraph 5,
A substrate on which the capacitance sensor and the inductive sensor are mounted and which is placed on the lower side of the induction coil; and
An aerosol generating device further comprising a sensing lead wire extending from the sensing coil and connected to the substrate, the sensing lead wire passing through the outer side of the induction coil. In any one of paragraphs 4 and 6,
The above induction coil,
It is placed at a height corresponding to the above heater,
The above sensing coil,
An aerosol generating device positioned at a height different from that of the above heater. delete In the first paragraph,
Each of the above pair of sensing lead wires,
Passing through each of the splitter holes formed between the plurality of splitters,
An aerosol generating device comprising a plurality of connectors formed on the substrate, each of the plurality of connectors being formed at a position adjacent to the splitter hole to correspond to the splitter hole, and further comprising a connector to which one end of the sensing lead wire is connected. In the second paragraph,
A substrate on which the capacitance sensor and the inductive sensor are mounted and which is positioned below the sensing coil;
An induction lead wire extending from the above induction coil and connected to the substrate;
A sensing lead wire extending from the sensing coil and connected to the substrate; and
An aerosol generating device further comprising a splitter that separates the induction lead wire and the sensing lead wire. In Article 10,
The above splitter,
It is placed on the lower side of the above induction coil and the above sensing coil,
The above substrate is,
An aerosol generating device positioned at the lower side of the above splitter. In the first paragraph,
Further comprising a control unit for controlling the operation of the above switch,
The above control unit,
When the switch electrically connects the sensing coil and the capacitance sensor, the state around the sensing coil is determined based on the capacitance value measured by the capacitance sensor,
An aerosol generating device that determines the state around the sensing coil based on the inductance value measured by the inductive sensor when the switch electrically connects the sensing coil and the inductive sensor.