CN217509912U

CN217509912U - Aerosol generating device

Info

Publication number: CN217509912U
Application number: CN202220679373.6U
Authority: CN
Inventors: 赵相国; 何家基; 吴伟
Original assignee: Shenzhen ALD Technology Co Ltd
Current assignee: Shenzhen ALD Technology Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-30
Anticipated expiration: 2032-03-25

Abstract

The utility model provides an aerosol generating device, include: the top end of the shell is provided with a jack, and an air inlet channel for external air to enter is arranged in the shell; the heating component comprises a supporting sleeve fixed in the shell and a cylindrical heating body which is sleeved in the supporting sleeve and is arranged opposite to the jack, the cylindrical heating body is of a structure with an opening at the upper end and a closed lower end, an annular gap is formed between the cylindrical heating body and the inner wall of the supporting sleeve, the cylindrical heating body is provided with an accommodating cavity used for accommodating the aerosol generating product, one end of the annular gap is communicated with the air inlet channel, and the other end of the annular gap is communicated with an air vent arranged in the middle of the aerosol generating product. Through setting up the annular gap that is linked together with inlet channel, form airflow cooling circuit in the device, reduce the temperature of device when using, promote user experience.

Description

Aerosol generating device

Technical Field

The utility model relates to an electron cigarette technical field especially relates to an aerosol generating device.

Background

For hnb (heat Not Burning tobaco products) electronic cigarette appliances, in the smoking process, the heat generated by the heating component during operation is large, and is easily conducted to the machine body, resulting in overheating and scalding of the machine body, and the user easily feels hot when using the electronic cigarette appliance, which causes poor user experience for the consumer. In addition, the heat inside the body, which may be conducted to the battery, may affect the performance of the battery, even cause safety accidents.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve not enough among the prior art to a certain extent at least, provide an aerosol generating device.

In order to achieve the above object, the present invention provides an aerosol generating device, including:

the air conditioner comprises a shell, wherein the top end of the shell is provided with a jack, and an air inlet channel for allowing external air to enter is formed in the shell;

heating element, heating element is including being fixed in supporting sleeve and cover in the casing are located in the supporting sleeve and with the relative tube-shape heat-generating body that sets up of jack, the tube-shape heat-generating body be upper end opening, lower extreme closed structure, and with be formed with annular gap between supporting sleeve's the inner wall, the tube-shape heat-generating body has the chamber of acceping that is used for acceping aerosol generation goods, annular gap's one end with inlet channel intercommunication, the other end with set up in the air vent intercommunication at aerosol generation goods middle part.

Optionally, the annular gap has a value range of 0.1 mm-2 mm; and/or the clearance between the bottom of the support sleeve and the bottom of the cylindrical heating body is larger than the clearance between the side wall of the support sleeve and the side wall of the cylindrical heating body.

Optionally, the top of the upper end opening of the supporting sleeve is connected with the peripheral wall of the casing surrounding the insertion hole in a sealing manner, the aerosol generating device further includes a sealing member fixed to the inner wall of the insertion hole and having a through hole, and when the aerosol generating product is accommodated in the accommodating cavity, the sealing member is hermetically sealed and arranged on the periphery of the aerosol generating product above the vent hole.

Optionally, the casing is provided with at least one air inlet, the bottom of the support sleeve is provided with at least one air passing hole, one end of the air inlet channel is communicated with the air inlet, the other end of the air inlet channel is communicated with the air passing hole, and the air inlet channel is arranged between the outer wall of the support sleeve and the inner wall of the casing.

Optionally, the housing includes a body with two ends penetrating and communicating, and a top plate and a bottom plate respectively covering the upper end and the lower end of the body, and the insertion hole and the air inlet hole are both opened in the top plate.

Optionally, the aerosol generating device further includes a power supply and a control assembly fixed to the body, the housing further includes a heat insulation member fixed to the body and located between the upper end and the lower end of the body, the power supply and the control assembly are both disposed on one side of the heat insulation member, the heating assembly is disposed on the other side of the heat insulation member, the power supply is electrically connected to the control assembly, and the control assembly is electrically connected to the heating assembly.

Optionally, the heating assembly further comprises at least one connecting column, one end of the connecting column is fixed at the bottom of the supporting sleeve, and the other end of the connecting column is fixed at the lower end of the cylindrical heating body.

Optionally, the heating manner of the cylindrical heating element includes electromagnetic induction heating and resistance heating.

Optionally, the heating mode of tube-shape heat-generating body is electromagnetic induction heating, heating element still including twine in support the outer magnetic induction coil of sleeve, magnetic induction coil is used for producing alternating magnetic field in the inner chamber of support sleeve, the tube-shape heat-generating body is in under alternating magnetic field's the effect right aerosol generation matrix heats.

Optionally, the heating element further comprises a magnetic shield sheet sleeved outside the magnetic induction coil.

Compared with the prior art, the utility model, well an aerosol generating device, beneficial effect lies in: an annular gap is formed between the cylindrical heating body and the supporting sleeve, the annular gap is communicated with the air inlet channel, and the vent hole is communicated with the annular gap, so that an airflow cooling loop is formed in the aerosol generating device; when a user sucks the air, the air flows in the airflow cooling loop, so that heat generated by the inner-cylinder-shaped heating body of the device can be taken away, the temperature of the device in use is reduced, the user does not feel hot when using the device, and the user experience is improved; meanwhile, because the annular air gap is arranged between the cylindrical heating body and the supporting sleeve, the contact area between the airflow cooling loop and the cylindrical heating body is greatly increased, and the cooling efficiency is improved.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of the aerosol generating device of the present invention;

figure 2 is a cross-sectional view of an embodiment of the aerosol generating device of the present invention;

FIG. 3 is a partial schematic view of FIG. 2;

FIG. 4 is a sectional view of a cylindrical heating element in an embodiment of the present invention;

figure 5 is a perspective view of an aerosol-generating article according to an embodiment of the invention.

In the drawings, each reference numeral denotes: 1. a housing; 11. a body; 111. an air intake passage; 12. a top plate; 121. a jack; 122. an air inlet; 13. a base plate; 2. a heat generating component; 21. a support sleeve; 211. air passing holes; 22. a cylindrical heating element; 221. an accommodating cavity; 23. an annular gap; 24. connecting columns; 25. a magnetic induction coil; 26. a magnetic shielding sheet; 3. a seal member; 4. a power source; 5. a control component; 6. a thermal insulation member; 7. a temperature sensor; 100. an aerosol-generating article; 101. and (4) a vent hole.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, an embodiment of the present invention provides an aerosol generating device, including: the heating device comprises a shell 1 and a heating component 2, wherein the top end of the shell 1 is provided with an insertion hole 121, and an air inlet channel 111 for allowing external air to enter is arranged in the shell 1; the heating element 2 includes a support sleeve 21 fixed in the housing 1 and a cylindrical heating element 22 sleeved in the support sleeve 21 and disposed opposite to the insertion hole 121, the cylindrical heating element 22 has a structure with an open upper end and a closed lower end, an annular gap 23 is formed between the cylindrical heating element 22 and the support sleeve 21, the cylindrical heating element 22 has a housing cavity 221 for housing the aerosol-generating product 100, one end of the annular gap 23 is communicated with the air inlet channel 111, and the other end is communicated with the vent hole 101 disposed in the middle of the aerosol-generating product 100.

In the present embodiment, an annular gap 23 is formed between the cylindrical heating element 22 and the support sleeve 21, the annular gap 23 communicates with the air inlet passage 111, and the vent hole 101 communicates with the annular gap 23, thereby forming an airflow cooling circuit in the aerosol generating device; when a user sucks the air, the air flows in the airflow cooling loop, so that heat generated by the cylindrical heating body 22 in the device can be taken away, the temperature of the device in use is reduced, the user does not feel hot when using the device, and the user experience is improved; meanwhile, because the annular air gap is arranged between the cylindrical heating body 22 and the support sleeve 21, the contact area between the airflow cooling loop and the cylindrical heating body 22 is greatly increased, and the cooling efficiency is improved.

Referring to fig. 2 and 3, in one embodiment, the annular gap 23 has a value in the range of 0.1mm to 2 mm. Specifically, according to actual needs, the value of the annular gap 23 may be 0.1mm, 0.2mm, 0.6mm, 1mm, 1.4mm, 2mm, and the like, for example: when the value of the annular gap 23 is 0.6mm, the gap between the inner wall of the support sleeve 21 and the outer wall of the cylindrical heating element 22 is 0.6mm, and the annular gap 23 is conveniently formed because the gap between the inner wall of the support sleeve 21 and the outer wall of the cylindrical heating element 22 is integrally consistent. Preferably, the clearance a between the bottom of support sleeve 21 and the bottom of tube-shape heat-generating body 22 is greater than the clearance B between the lateral wall of support sleeve 21 and the lateral wall of tube-shape heat-generating body 22, and the value of clearance a can be 1.2mm, and the value of clearance B can be 0.3mm for can form pressure differential between clearance a and the clearance B, and then make the air flow speed in the air current cooling circuit faster, be favorable to promoting cooling efficiency.

Referring to fig. 3 (the dotted arrow in fig. 3 indicates the flowing direction of the airflow cooling circuit), in an embodiment, the housing 1 is provided with at least one air inlet 122, the bottom of the supporting sleeve 21 is provided with at least one air passing hole 211, one end of the air inlet channel 111 is communicated with the air inlet 122, the other end is communicated with the air passing hole 211, and the air inlet channel 111 is disposed between the outer wall of the supporting sleeve 21 and the inner wall of the housing 1. Wherein, casing 1 includes that both ends run through the body 11 of intercommunication and cover respectively and locate body 11 top plate 12 and bottom plate 13 at both ends from top to bottom, and jack 121 and inlet port 122 are all seted up in top plate 12. Specifically, the body 11 is cylindrical, and the top plate 12 and the bottom plate 13 are covered on the body 11 in a buckling connection manner, so that the top plate 12 and the body 11, and the bottom plate 13 and the body 11 can be conveniently detached and installed; an air inlet hole 122 is formed in the top plate 12, external air enters the air inlet channel 111 through the air inlet hole 122 and then flows to the annular air gap through the air passing hole 211, the air in the annular air gap flows through the vent holes 101 and finally enters a human body through the aerosol generating product 100, and therefore air flows in the airflow cooling loop; because the air inlet channel 111 is arranged between the outer wall of the supporting sleeve 21 and the inner wall of the shell 1, the air in the air inlet channel 111 can contact with the supporting sleeve 21, so that the air can take away the heat of the supporting sleeve 21, and the cooling capacity of the airflow cooling circuit is further improved. In some embodiments of the present embodiment, a plurality of air inlets 122 may be provided according to actual needs, such as two or three, to increase the air intake amount of the air inlet channel 111, so as to increase the flow speed of air, and achieve the improvement of the cooling efficiency of the device; a filter screen can be arranged in the air inlet 122 to prevent sundries from entering the airflow cooling loop through the air inlet 122 to block the airflow cooling loop; the air inlet holes 122 may be provided anywhere on the top panel 12 or the body 11 without affecting the smoking use of the aerosol-generating article 100.

Referring to figures 2 and 5, the aerosol-generating article 100 has a vent 101 formed in the centre thereof, the aerosol-generating article 100 comprises an aerosol-forming substrate receivable into the receptacle 221 through the insertion aperture, and the vent 101 is in communication with the annular gap 23. The aerosol-generating article 100 may be a cylindrical smoking article (such as a cigarette) made from tobacco cut, tobacco particles, plant pieces or smoke paste or the like. The central section area of the aerosol-generating article 100 in this embodiment is provided with a plurality of ventilation apertures 101, the ventilation apertures 101 being circumferentially evenly distributed on the peripheral wall of the central section; one of the ends of the aerosol-generating article 100 comprises a tobacco region comprising tobacco, tobacco particles, plant pieces or smoke, and the other end comprises a filter region; when the aerosol-generating article 100 is received within the receiving cavity 221, the tobacco region of the aerosol-generating article 100 is located within the receiving cavity 221 of the aerosol-generating device, the filter region of the aerosol-generating article 100 is at least partially exposed outside the receptacle 121 of the aerosol-generating device, and the vent hole 101 is in communication with the annular gap 23. Preferably, the aerosol-generating article 100 is configured to be cylindrical, although an elliptical or right prismatic shape may also be used, depending on the actual needs.

Referring to fig. 2, 4 and 5, preferably, the inner diameter of the receiving cavity 221 is adapted to the outer diameter of the aerosol-generating product 100, and the upper end of the cylindrical heating element 22 is flared outward to form a guiding portion for guiding the aerosol-generating product 100 to be inserted into the receiving cavity 221.

Referring to fig. 1 and 3, in one embodiment, the top of the upper opening of the supporting sleeve 21 is connected with the peripheral wall of the top end of the housing 1 surrounding the insertion hole 121 in a sealing manner, the aerosol generating device further includes a sealing member 3 fixed on the inner wall of the insertion hole 121 and having a through hole, and when the aerosol generating product 100 is received in the receiving cavity 221, the sealing member 3 is sleeved on the periphery of the aerosol generating product 100 above the through hole 101.

Specifically, the top cover of the upper end opening of the support sleeve 21 is provided with a sealing bracket in a basin shape, two ends of the sealing bracket penetrate through and are communicated with each other, an annular protrusion extends from the circumferential wall of the insertion hole 121 in the axial direction towards the sealing bracket, when the top plate 12 is buckled on the body 11, the annular protrusion is inserted into the sealing bracket, and the outer circumferential wall of the annular protrusion is in close contact with the inner circumferential wall of the sealing bracket, so that the top of the upper end opening of the support sleeve 21 is in sealing connection with the circumferential wall of the insertion hole 121 surrounded by the top end of the shell 1, wherein the sealing bracket can be made of flexible materials, such as silica gel and rubber, but not limited thereto.

The sealing element 3 may be a circular ring-shaped sealing silica gel, one end of the sealing element 3 is embedded in the insertion hole 121, and the other end of the sealing element 3 is flush with the surface of the top plate 12, so that the sealing element 3 and the aerosol-generating product 100 can have a sufficient contact area, a gap is not left between the sealing element 3 and the aerosol-generating product 100, the top opening of the supporting sleeve 21 and the top end of the housing 1 are ensured to be connected in a sealing manner, the surface of the top plate 12 is ensured not to be greatly protruded, and the attractiveness of the device is improved.

Preferably, the aperture of the receptacle 121 is larger than the outer diameter of the aerosol-generating article 100, which facilitates insertion of the aerosol-generating article 100, the sealing member 3 may be a sealing ring, and the sealing member 3 has elasticity, and the inner diameter of the sealing member 3 is smaller than the outer diameter of the aerosol-generating article 100, and the sealing member 3 may be pressed when the aerosol-generating article 100 passes through the inner hole of the sealing member 3, so that the sealing member 3 is tightly attached to the aerosol-generating article 100, which is beneficial for ensuring that the top opening of the support sleeve 21 is sealingly connected to the top end of the housing 1.

Referring to fig. 2, in an embodiment, the aerosol generating device further includes a power source 4 and a control component 5 fixed to the body 11, the housing 1 further includes a heat insulation member 6 fixed to the body 11 and located between upper and lower ends of the body 11, the power source 4 and the control component 5 are both disposed on one side of the heat insulation member 6, the heating component 2 is disposed on the other side of the heat insulation member 6, the power source 4 is electrically connected to the control component 5, and the control component 5 is electrically connected to the heating component 2. Specifically, heat insulating part 6 can be the baffle, and heat insulating part 6 separates the space in casing 1 for upper portion and lower part that does not communicate, and wherein power 4 and control assembly 5 are located the lower part of casing 1, and heating element 2 is located the upper portion of casing 1, can understand, and heating element 2's heat can be blockked by heat insulating part 6 to can avoid power 4 and control assembly 5 to damage because of the high temperature, hoisting device's life. The power supply 4 can be a battery, and the bottom plate 13 is covered on the body 11 in a buckling connection mode, so that the bottom plate 13 is convenient to detach and install, and the battery is convenient to replace; control assembly 5 includes circuit board, electric core and button, and circuit board and electric core are all fixed in body 11, and circuit board and electric core can control heating assembly 2 and generate heat, and button elastic mounting is exposed outside body 11 and partial button is 11, and the button can controlling means open and close.

Referring to fig. 2, preferably, the housing 1 further includes a mounting bracket fixed in the body 11, one end of the mounting bracket is fixed to the heat insulation member 6, the other end of the mounting bracket abuts against the bottom plate 13, and the power source 4 and the control assembly 5 are respectively disposed at two sides of the mounting bracket, so that the power source 4 and the control assembly 5 can be separated from each other, the power source 4 can be independently replaced and installed when the power source 4 needs to be replaced, and the replacement efficiency of the power source 4 is improved; in order to facilitate the control component 5 to be electrically connected to the heating component 2, the heat insulation piece 6 is provided with a wire passing hole, which is beneficial to the penetration of a wire between the control component 5 and the heating component 2; a temperature sensor 7 is further arranged at the position close to the outer wall of the cylindrical heating body 22, the temperature sensor 7 is electrically connected to the control component 5, the temperature sensor 7 can detect the real-time temperature of the cylindrical heating body 22, and the control component 5 receives a signal transmitted by the temperature sensor 7 so as to realize the real-time control of the temperature of the cylindrical heating body 22.

In one embodiment, the heat generation method of the cylindrical heat-generating body 22 includes electromagnetic induction heat generation and resistance heat generation. That is, the cylindrical heat-generating element 22 can generate heat by at least one of electromagnetic induction heat generation and resistance heat generation. Preferably, the heat generation system of the cylindrical heat generating element 22 is electromagnetic induction heat generation.

Referring to fig. 2 and 3, in an embodiment of the present invention, the heat generating component 2 further includes a magnetic induction coil 25 wound outside the supporting sleeve 21, the magnetic induction coil 25 is used for generating an alternating magnetic field in the inner cavity of the supporting sleeve 21, and the cylindrical heat generating body 22 heats the aerosol generating substrate under the action of the alternating magnetic field. Specifically, the cylindrical heating element 22 may be made of ferromagnetic material, so that it can heat the aerosol-generating product 100 under the action of the alternating magnetic field to generate aerosol for inhalation.

Referring to fig. 2 and 3, preferably, the heating element 2 further includes a magnetic shielding sheet 26 disposed outside the magnetic induction coil 25, the magnetic shielding sheet 26 is tubular, and when the magnetic induction coil 25 is energized to generate an alternating magnetic field in the accommodating cavity 221, the magnetic shielding sheet 26 is utilized to reduce the influence of electromagnetic waves on the control circuit board and the power supply 4, so as to prevent the alternating magnetic field generated by the magnetic induction coil 25 from influencing other electronic components in the housing 1.

In another embodiment of this embodiment, the resistance wire is disposed on the cylindrical heating element 22, wherein the resistance wire can be embedded in the heating element or wound on the inner circumferential wall or the outer circumferential wall of the cylindrical heating element, and the resistance wire can generate heat after being electrified to raise the temperature of the cylindrical heating element 22, so that the cylindrical heating element 22 heats the aerosol-generating product 100. Of course, in another embodiment, the cylindrical heating element 22 may be directly energized to generate heat.

Referring to fig. 2 and 3, in one embodiment, the heating element 2 further includes at least one connection column 24, one end of the connection column 24 is fixed to the bottom of the support sleeve 21, and the other end is fixed to the lower end of the cylindrical heating element 22. Specifically, the connecting column 24 may be a cylinder, the heating element 2 is provided with two connecting columns 24, and the cylindrical heating element 22 is fixed at the bottom of the supporting sleeve 21 by using the connecting column 24, so that a sufficient gap can be formed between the lower end of the cylindrical heating element 22 and the bottom of the supporting sleeve 21, thereby ensuring the smoothness of an airflow cooling loop; of course, one or three connecting columns 24 can be provided according to actual needs.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. An aerosol generating device, comprising:

2. An aerosol generating device according to claim 1, wherein the annular gap has a value in the range of 0.1mm to 2 mm; and/or the clearance between the bottom of the support sleeve and the bottom of the cylindrical heating body is larger than the clearance between the side wall of the support sleeve and the side wall of the cylindrical heating body.

3. The aerosol generating device as claimed in claim 1, wherein the top of the upper opening of the support sleeve is sealingly connected to a peripheral wall of the housing surrounding the insertion hole at the top end thereof, the aerosol generating device further comprises a sealing member having a through hole and fixed to an inner wall of the insertion hole, and the sealing member is hermetically sealed around the aerosol generating product above the through hole when the aerosol generating product is accommodated in the accommodation chamber.

4. The aerosol generating device of claim 1, wherein the housing defines at least one air inlet hole, the bottom of the support sleeve defines at least one air passing hole, one end of the air inlet channel is in communication with the air inlet hole, the other end of the air inlet channel is in communication with the air passing hole, and the air inlet channel is disposed between the outer wall of the support sleeve and the inner wall of the housing.

5. An aerosol generating device as claimed in claim 4, wherein the housing comprises a body having two ends connected through the body, and a top plate and a bottom plate respectively covering the upper and lower ends of the body, and the insertion hole and the air inlet hole are both formed in the top plate.

6. The aerosol generating device of claim 5, further comprising a power supply and a control assembly secured to the body, wherein the housing further comprises a thermal insulation member secured to the body and positioned between the upper and lower ends of the body, wherein the power supply and the control assembly are both disposed on one side of the thermal insulation member, the heating assembly is disposed on the other side of the thermal insulation member, the power supply is electrically connected to the control assembly, and the control assembly is electrically connected to the heating assembly.

7. The aerosol generating device according to claim 1, wherein the heating element further comprises at least one connecting column, one end of the connecting column is fixed to the bottom of the support sleeve, and the other end of the connecting column is fixed to the lower end of the cylindrical heating element.

8. An aerosol-generating device according to any one of claims 1 to 7, wherein the heating means of the cylindrical heating element includes electromagnetic induction heating and resistance heating.

9. An aerosol generating device according to claim 8, wherein the cylindrical heating element generates heat by electromagnetic induction, the heating assembly further comprises a magnetic induction coil wound around the support sleeve, the magnetic induction coil is configured to generate an alternating magnetic field in the inner cavity of the support sleeve, and the cylindrical heating element heats the aerosol-generating substrate under the action of the alternating magnetic field.

10. An aerosol generating device according to claim 9, wherein the heating element further comprises a magnetic shield surrounding the magnetic induction coil.