CN216255481U

CN216255481U - Aerosol generating device based on electromagnetic induction

Info

Publication number: CN216255481U
Application number: CN202122518807.2U
Authority: CN
Inventors: 陈家太; 周胜文; 符有隆
Original assignee: Shenzhen Smiss Technology Co Ltd
Current assignee: Shenzhen Smiss Technology Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-12
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to an aerosol generating device based on electromagnetic induction, comprising: the atomizing bomb comprises a first shell, an atomizing core, a first induction coil and a first circuit board; the suction channel is communicated with one end of the atomization channel, and the atomization core is arranged in the atomization channel; the first shell is arranged on the main body and defines an air inlet channel with the main body, and the air inlet channel is communicated with the other end of the atomization channel; the battery component is arranged in the main body, and the main body is provided with an induction channel communicated with the atomization channel; the battery assembly comprises a sensing control part, a battery and a second induction coil, and the battery is electrically connected with the second induction coil; when the air pressure in the induction channel is smaller than the initial value, the sensing control part controls the battery to be communicated with the second induction coil circuit, the first induction coil generates induction current to heat the atomization core, and the atomization medium is converted into aerosol through the atomization core. Above-mentioned aerial fog generating device based on electromagnetic induction, atomizing bullet and battery pack need not the physical contact.

Description

Aerosol generating device based on electromagnetic induction

Technical Field

The utility model relates to the technical field of an aerosol generating device based on electromagnetic induction, in particular to an aerosol generating device based on electromagnetic induction.

Background

The existing electronic atomizer comprises an atomizing bomb and a host machine, wherein the atomizing bomb is assembled at an opening of the host machine. The bottom side of the atomizing bomb is provided with a connecting terminal which is electrically connected with the atomizing core; the top side of the host is provided with a spring needle which is electrically connected with the battery. When the atomizing bullet was installed in the host computer opening part, need make bullet needle and connecting terminal butt joint just can realize the circuit and switch on, just can make the battery pass through bullet needle, connecting terminal to atomizing core output power when the circuit switched on. If the butting position of the elastic pin and the connecting terminal is deviated, the circuit cannot be conducted or the current output is unstable when the circuit is conducted.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an electromagnetic induction-based aerosol generation device having a high thermal energy conversion rate and a high heating rate, in order to solve the problem of unstable current output of an electronic atomizer.

An electromagnetic induction based aerosol generating device comprising:

the atomizing bomb comprises a first shell, an atomizing core, a first induction coil and a first circuit board, wherein the atomizing core is electrically connected with the first induction coil through the first circuit board; a suction channel and an atomization channel are arranged in the first shell, the suction channel is communicated with one end of the atomization channel, and the atomization core is arranged in the atomization channel;

the first shell is arranged on the main body and defines an air inlet channel with the main body, and the air inlet channel is communicated with the other end of the atomization channel; the main body is internally provided with an induction channel communicated with the atomization channel;

a battery assembly disposed within the body; the battery assembly comprises a sensing control part, a battery and a second induction coil, the battery is electrically connected with the second induction coil and the sensing control part respectively, and the sensing control part is used for controlling the on-off of a circuit between the battery and the second induction coil;

when the air pressure in the induction channel is smaller than an initial value, the sensing control part controls the battery to be communicated with the second induction coil through a circuit, the first circuit board controls the battery to output power to the first induction coil, when alternating current acts on the first induction coil, the first induction coil generates induced current, the first circuit board is used for rectifying and boosting the induced current, the induced current is used for heating the atomization core, an atomization medium is converted into aerosol through the atomization core, external airflow flows to the atomization channel through the air inlet channel, and the aerosol is driven to flow into the suction channel through the atomization channel.

According to the aerosol generating device based on electromagnetic induction, the induction coils are respectively arranged in the atomizing bomb and the battery pack, current conduction can be realized between the two induction coils in an electromagnetic induction mode, the heat energy conversion rate is high, and the heating speed is high; the atomizing bomb and the battery component do not need physical contact, and the structure is simplified.

In one embodiment, a first air inlet hole is formed in one side, close to the battery assembly, of the first shell, the first induction coil abuts against one side, close to the battery assembly, of the first shell, and the first induction coil is provided with a first through hole facing the first air inlet hole.

In one embodiment, the battery assembly further includes a second housing fixed in the main body and spaced apart from the first housing, and the second induction coil is disposed in the second housing.

In one embodiment, a second air inlet hole is formed in one side, facing the first shell, of the second shell, and the second induction coil is provided with a second through hole facing the second air inlet hole.

In one embodiment, the second housing includes a fastener and a support, the support has a receiving groove therein for receiving the second induction coil, and the fastener is disposed at an opening of the receiving groove.

In one embodiment, the sensing control part comprises an airflow sensor and a second circuit board which are electrically connected, the airflow sensor is connected to the support, and the second circuit board is respectively connected with the airflow sensor and the battery.

In one embodiment, the airflow sensor is provided with a conduction groove, and the support is provided with a third through hole communicated with the conduction groove.

In one embodiment, the first induction coil is in the shape of a planar vortex, and/or the second induction coil is in the shape of a planar vortex.

In one embodiment, the first housing is provided with a protrusion, the opening of the main body is provided with a notch, the first housing is covered on the opening, and the protrusion is clamped in the notch.

In one embodiment, the cartomizer further comprises a vent pipe, the vent pipe is inserted into the first housing, a liquid storage cavity is defined by the outer wall of the vent pipe and the inner wall of the first housing, the atomizing channel is arranged in the vent pipe, a connecting hole is formed in the outer wall of the vent pipe, and the connecting hole is communicated with the atomizing channel and the liquid storage cavity.

Drawings

FIG. 1 is an isometric view of an aerosol-generating device based on electromagnetic induction in one embodiment;

figure 2 is a cross-sectional view of the electromagnetic induction based aerosol generating device of figure 1;

figure 3 is a partial cross-sectional view of the electromagnetic induction based aerosol generating device of figure 2;

figure 4 is another cross-sectional view of the electromagnetic induction based aerosol generating device of figure 1;

fig. 5 is an exploded view of the electromagnetic induction based aerosol generating device shown in fig. 1.

Reference numerals:

100. a main body; 101. an air intake passage; 102. a cavity; 103. a notch; 200. atomizing bombs; 210. a first housing; 210a, a suction channel; 210b, an atomizing channel; 210c, a first intake hole; 211. a bump; 212. a cover body; 213. a base; 220. an atomizing core; 221. a heating member; 222. a guide; 230. a first induction coil; 231. a first through hole; 240. a breather pipe; 241. a liquid storage cavity; 242. connecting holes; 250. a first circuit board; 300. a battery assembly; 301. an induction channel; 310. a sensing control; 311. an airflow sensor; 311a, a conduction groove; 312. a second circuit board; 320. a battery; 330. a second induction coil; 331. A second through hole; 340. a second housing; 341. a fastener; 342. a support; 343. accommodating grooves; 344. a second air intake hole; 345. a third via.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, an embodiment of an aerosol generating device based on electromagnetic induction includes a main body 100, a cartomizer 200, and a battery assembly 300, wherein the cartomizer 200 is configured to convert an aerosol into an aerosol, and the battery assembly 300 is configured to provide power to the cartomizer 200.

In this embodiment, as shown in fig. 2, the cartomizer 200 includes a first housing 210, and a suction channel 210a and a nebulization channel 210b are disposed in the first housing 210. The main body 100 is open at one end, the first casing 210 is installed at the opening of the main body 100, and an air inlet channel 101 is defined between the outer wall of the first casing 210 and the inner wall of the first main body 100. One end of the atomizing channel 210b is communicated with the suction channel 210a, the other end of the atomizing channel 210b is communicated with the air inlet channel 101, the battery pack 300 is arranged in the main body 100, and the main body 100 is internally provided with a sensing channel 301 communicated with the atomizing channel 210 b.

As shown in fig. 2, the cartomizer 200 further includes an atomizing core 220, a first induction coil 230 and a first circuit board 250, the atomizing core 220 is disposed in the atomizing channel 210b, the first induction coil 230 is disposed in the first housing 210, and the atomizing core 220 is electrically connected to the first induction coil 230 through the first circuit board 250. The battery assembly 300 includes a sensing controller 310, a battery 320 and a second induction coil 330, wherein the battery 320 is electrically connected to the second induction coil 330 and the sensing controller 310, and the sensing controller 310 is configured to detect air pressure in the sensing channel 301 and control on/off of a circuit between the battery 320 and the second induction coil 330.

When the air pressure in the induction channel 301 is smaller than the initial value, the sensing control member 310 enables the battery 320 and the second induction coil 330 to be in circuit communication, the first circuit board 250 controls the battery 320 to output power to the first induction coil 230, alternating current acts on the first induction coil 230 to enable the first induction coil 230 to generate induction current to heat the atomizing core 220, the first circuit board 250 is used for rectifying and increasing voltage of the induction current, the atomizing medium is converted into aerosol through the atomizing core 220, and the aerosol flows into the suction channel 210a through the atomizing channel 210 b.

It will be appreciated that, as shown by the dashed arrows in fig. 3, after the atomizing medium is converted into an aerosol by the atomizing wick 220, the driving force must be applied to cause the aerosol to flow from the atomizing channel 210b into the suction channel 210 a. By providing an air inlet channel 101 communicating with the nebulization channel 210b, an external air flow can enter the nebulization channel 210b via the air inlet channel 101, thus providing a driving force for the aerosol to flow from the nebulization channel 210b into the suction channel 210 a.

Through the arrangement, the induction coils are respectively arranged in the atomizing bullet 200 and the battery pack 300, current conduction can be realized between the two induction coils through an electromagnetic induction mode, and the heat energy conversion rate is high and the heating speed is high; the atomizer 200 and the battery assembly 300 do not need physical contact, which is beneficial to simplifying the structure and improving the defects of the traditional atomizer 200 in a resistance heating mode, for example, the defects of unstable current output, low atomizing speed and high energy consumption caused by the physical contact in the traditional resistance heating mode exist.

In one embodiment, referring to fig. 2, when a user inhales on the suction channel 210a, the air pressure in the sensing channel 301 is smaller than an initial value, the battery 320 and the second sensing coil 330 are electrically connected, and an induced current is generated between the two sensing coils; when the user stops inhaling in the suction channel 210a, the air pressure in the sensing channel 301 is restored to the initial value, and the circuit between the battery 320 and the second sensing coil 330 is disconnected, so that no induced current is generated between the two sensing coils.

In the embodiment shown in fig. 2, the first induction coil 230 abuts against a side of the first housing 210 close to the battery assembly 300. A first air inlet hole 210c is formed at one side of the first housing 210 close to the battery assembly 300, and the first induction coil 230 has a first through hole 231 facing the first air inlet hole 210 c.

In this embodiment, the end of the atomization channel 210b away from the suction channel 210a faces the first through hole 231. The external air flow can enter the atomizing passage 210b through the air intake passage 101, the first air intake holes 210c and the first through holes 231 in sequence.

In one embodiment, as shown in fig. 2, the first induction coil 230 is in a flat vortex shape, and the first through hole 231 is disposed in the middle of the first induction coil 230, so that the heating speed is high and the energy consumption is low. In other embodiments, the first induction coil 230 may also be rectangular or other shape.

In the embodiment, as shown in fig. 2, the first air inlet hole 210c, the first through hole 231, the atomizing channel 210b and the suction channel 210a are coaxially arranged to facilitate the air flow.

As shown in fig. 2, a cavity 102 with an opening at one end is formed in the main body 100, and the first shell 210 is covered at the opening of the cavity 102 and at least partially embedded in the cavity 102.

In a specific embodiment, as shown in fig. 1, the first housing 210 has a protrusion 211, and the opening of the cavity 102 has a notch 103. When the first housing 210 is covered at the opening of the cavity 102, the protrusion 211 is held in the notch 103. The first housing 210 and the main body 100 are fixed and limited by the structure of the protrusion 211 and the notch 103.

As shown in fig. 2, in the embodiment, the first housing 210 includes a cover 212 and a base 213, and the cover 212 is fixedly connected to the base 213.

In this embodiment, the protrusion 211 is disposed on a side of the cover 212 facing the main body 100, and the first air inlet hole 210c is opened on the base 213. The cover 212 is at least partially embedded in the main body 100, and the outer walls of the cover 212 and the base 213 are spaced apart from the inner wall of the main body 100.

In this embodiment, the cover 212 and the base 213 are separated and detachably connected by a snap, plug, or screw connection. In other embodiments, the cover 212 and the base 213 may be integrally formed.

Referring to fig. 2, the cartomizer 200 further includes a vent tube 240, the vent tube 240 is inserted into the first housing 210, and an outer wall of the vent tube 240 and an inner wall of the first housing 210 define a reservoir 241.

Wherein, the vent pipe 240 is provided with an atomizing channel 210b therein, the outer wall of the vent pipe 240 is provided with a connecting hole 242, and the connecting hole 242 is communicated with the atomizing channel 210b and the liquid storage cavity 241.

Referring to fig. 2, the atomizing core 220 includes a heating member 221 and a guiding member 222, the heating member 221 is disposed in the atomizing channel 210b, and the guiding member 222 is disposed in the atomizing channel 210b and is sleeved on the outer periphery of the heating member 221.

Specifically, the heating member 221 is a heating element, and the guide member 222 is oil cotton and can collect the atomized medium.

It can be understood that, as shown by the dotted arrow in fig. 4, the nebulizing medium in the reservoir 241 flows to the nebulizing channel 210b through the connecting hole 242, and the guiding element 222 can collect the nebulizing medium in the nebulizing channel 210b, so that the heating element 221 can rapidly heat the collected nebulizing medium to convert it into aerosol, and the aerosol flows from the nebulizing channel 210b to the suction channel 210a for being sucked by the user.

As shown in fig. 2, the battery assembly 300 further includes a second housing 340, the second housing 340 is fixed in the main body 100 and spaced apart from the first housing 210, and the second induction coil 330 is disposed in the second housing 340.

Specifically, as shown in fig. 5, the second housing 340 includes a fastener 341 and a support 342, an accommodating groove 343 is disposed in the support 342 to accommodate the second induction coil 330, and the fastener 341 is disposed at an opening of the accommodating groove 343.

In a specific embodiment, as shown in fig. 2, the fastener 341 is disposed at an interval with the base 213 of the first housing 210, so that the external air can sequentially enter the atomizing channel 210b through the air inlet channel 101, the gap between the fastener 341 and the first housing 210, the first air inlet hole 210c and the first through hole 231

As shown in fig. 2 and 4, the sensing controller 310 includes an airflow sensor 311 and a second circuit board 312 electrically connected to each other, the airflow sensor 311 is connected to the support 342, and the second circuit board 312 is connected to the airflow sensor 311 and the battery 320, respectively.

It is understood that the air flow sensor 311 is used for detecting the air pressure in the sensing channel 301, and the second circuit board 312 is used for controlling the on/off of the circuit between the battery 320 and the second sensing coil 330.

In one embodiment, as shown in fig. 2, a second air inlet hole 344 is formed on a side of the second housing 340 facing the first housing 210, and the second induction coil 330 has a second through hole 331 opposite to the second air inlet hole 344. The airflow sensor 311 is provided with a conduction groove 311a, and the holder 342 is provided with a third through-hole 345 communicating with the conduction groove 311 a.

In this embodiment, as shown in fig. 2, the second air inlet holes 344, the second through holes 331, the third through holes 345 and the conduction groove 311a are communicated with each other to form the sensing passage 301.

When a user inhales at the suction channel 210a and the air flow sensor 311 detects that the air pressure in the induction channel 301 is smaller than an initial value, the second circuit board 312 controls the battery 320 and the second induction coil 330 to be in circuit communication, and at the moment, an induction current is generated between the two induction coils; when the user stops inhaling at the suction channel 210a and the air flow sensor 311 detects that the air pressure in the sensing channel 301 is restored to the initial value, the second circuit board 312 controls the battery 320 and the second sensing coil 330 to be electrically disconnected, and no sensing current is generated between the two sensing coils.

In the embodiment shown in fig. 2, the second air inlet holes 344 are opened in the fasteners 341, the second induction coil 330 is in a flat vortex shape, and the second through holes 331 are formed in the middle of the second induction coil 330, so that the heating speed is high and the energy consumption is low. In other embodiments, the second induction coil 330 may also be rectangular or other shapes.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An aerosol generating device based on electromagnetic induction, comprising:

when the air pressure in the induction channel is smaller than an initial value, the sensing control part controls the battery to be communicated with the second induction coil through a circuit, the first circuit board controls the battery to output power to the first induction coil, alternating current acts on the first induction coil to enable the first induction coil to generate induced current, the first circuit board is used for rectifying and boosting the induced current, the induced current is used for heating the atomization core, an atomization medium is converted into aerosol through the atomization core, external airflow flows to the atomization channel through the air inlet channel, and the aerosol is driven to flow into the suction channel through the atomization channel.

2. The aerosol generating device based on electromagnetic induction of claim 1, wherein a first air inlet is disposed at a side of the first housing close to the battery assembly, the first induction coil abuts against a side of the first housing close to the battery assembly, and the first induction coil has a first through hole facing the first air inlet.

3. The electromagnetic induction based aerosol generating device of claim 2, wherein the battery assembly further comprises a second housing fixed within the body and spaced apart from the first housing, the second induction coil being disposed within the second housing.

4. The aerosol generating device based on electromagnetic induction as claimed in claim 3, wherein a second air inlet hole is formed on one side of the second housing facing the first housing, and the second induction coil is provided with a second through hole facing the second air inlet hole.

5. The aerosol generating device according to claim 4, wherein the second housing comprises a fastening member and a support, the support is provided with an accommodating groove therein for accommodating the second induction coil, and the fastening member is covered at an opening of the accommodating groove.

6. The electromagnetic induction based aerosol generating device of claim 5, wherein the sensing control comprises an airflow sensor and a second circuit board electrically connected, the airflow sensor is connected to the support, and the second circuit board is connected to the airflow sensor and the battery respectively.

7. The electromagnetic induction based aerosol generating device of claim 6, wherein the airflow sensor is provided with a conduction groove, and the support is provided with a third through hole communicated with the conduction groove.

8. The electromagnetic induction based aerosol generating device of claim 1, wherein the first induction coil is in the form of a planar vortex and/or the second induction coil is in the form of a planar vortex.

9. The aerosol generating device based on electromagnetic induction of claim 1, wherein the first housing has a protrusion, the opening of the main body has a notch, the first housing covers the opening, and the protrusion is retained in the notch.

10. The aerosol generating device based on electromagnetic induction of claim 1, wherein the cartomizer further comprises a vent pipe, the vent pipe is inserted into the first housing, a reservoir is defined between an outer wall of the vent pipe and an inner wall of the first housing, the nebulization channel is disposed in the vent pipe, a connecting hole is disposed on an outer wall of the vent pipe, and the connecting hole is communicated with the nebulization channel and the reservoir.