Heating atomization device

Abstract

The utility model discloses a heating atomization device which comprises an atomization chip (1). The atomization chip (1) comprises a substrate (13), a piezoelectric substrate (11) and an interdigital transducer (12); the two faces of the bottom of the substrate (13) are each provided with a switching PCB foot plate (131). The switching PCB foot plate (131) and the interdigital transducer (12) on the same surface are electrically connected through an electric conductor (14); the switching PCB foot plates (131) on the two faces are electrically connected through conductive elastic pieces (28) at the bottoms.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat-not-burn cigarettes, and particularly relates to a heating atomization device. Background Art

[0002] Heat-not-burn cigarettes are a new type of cigarette that replaces traditional cigarettes. They produce smoke by heating the cigarettes instead of burning them, providing smokers with a similar experience to that of cigarettes. In this technology, the heating element is a key component, which heats the cigarettes to be atomized to produce smoke for smokers to inhale.

[0003] The heating element of the existing heat-not-burn cigarette is mainly a resistance heating element. The temperature of the cigarette heated by the resistance element is relatively high, which can easily burn the user when smoking. In addition, it is difficult to control the temperature of the cigarette heated by the resistance element, and it is difficult to reach the optimal baking temperature of the heat-not-burn cigarette, which in turn affects the taste of the aerosol.

[0004] The present utility model is proposed to solve the above problems. Utility Model Content

[0005] The utility model provides a heating atomization device, which is used for heating and atomizing non-combustion cigarettes, can control the baking temperature of cigarettes, and improve the aerosol smoking taste.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:

[0007] The first aspect of the utility model discloses a heating atomization device, which comprises an atomization chip 1; the atomization chip 1 comprises a substrate 13, a piezoelectric substrate 11 and an interdigital transducer 12; the substrate 13 is sword-shaped, and the piezoelectric substrate 11 is two pieces respectively bonded to the left and right side walls of the substrate 13; the interdigital transducer 12 is two groups respectively located at the lower part of the front and back sides of the substrate 13; the middle and upper part of the front and back sides of the substrate 13 is an atomization area 15; the interdigital transducer 12 is isolated from the atomization area 15; a transfer PCB foot plate 131 is respectively arranged on the two sides of the bottom of the substrate 13; the transfer PCB foot plate 131 on the same side is electrically connected to the interdigital transducer 12 through a conductor 14; the transfer PCB foot plates 131 on both sides are electrically connected through the conductive spring sheet 28 at the bottom.

[0008] Preferably, the atomizer chip 1 is arranged on the chip seat 22 and vertically arranged in the atomizer tube 211; the upper part of the chip seat 22 is in the shape of a truncated cone, which is interference-fitted on the bottom end of the atomizer tube 211, and a rectangular groove is opened in the middle of the truncated cone of the chip seat 22, and two grooves with the same depth as the rectangular groove are provided at the opposite ends of the rectangular groove, namely the first chip accommodating groove 217 and the second chip accommodating groove 221, and the rectangular groove, the first chip accommodating groove 217 and the second chip accommodating groove 221 are used to insert and vertically fix the atomizer chip 1; two or four spring clip accommodating holes 2220 that penetrate the bottom wall of the rectangular groove and are opposite to each other are opened on the bottom wall of the rectangular groove for the conductive spring clip 28 to pass through the bottom wall of the rectangular groove; the other parts of the truncated cone of the chip seat 22 are limit platforms 223, and the height of the limit platforms 223 is higher than the upper edge line of the interdigital transducer 12.

[0009] Preferably, the atomizer tube 211 is cylindrical and fixedly arranged on the upper part of the inner bracket 21. The bottom of the atomizer tube 211 is provided with an atomizer tube air inlet hole 214; the upper port of the atomizer tube 211 is used for inserting and removing the atomized cigarette.

[0010] Preferably, a battery compartment 212 and a circuit board compartment 213 are provided at the lower part of the inner bracket 21; a battery 31 is contained in the battery compartment 212; a circuit board 32 is contained in the circuit board compartment 213 and is electrically connected to the conductive spring 28 to control and drive the atomizer chip 1; a bracket pressure relief hole 215 and a bracket charging port 216 are provided on the bottom wall of the inner bracket 21, and a bracket button accommodating hole 218 is provided on the side wall of the circuit board compartment 213 of the inner bracket 21.

[0011] Preferably, the heating atomization device also includes an upper cover assembly 23, which includes an upper cover 231, a sliding cover 232, a sliding cover spring 233 and a screw 234, and the upper cover 231 is detachably connected to the upper part of the inner bracket 21 through a first group of magnets 235; an upper cover air inlet hole 2311 and an upper cover air outlet 2310 are provided on the upper cover 231, and the upper cover air outlet 2310 corresponds to the upper end of the atomization tube 211; the upper cover 231 is provided with a sliding cover accommodating hole 2312, and the sliding cover 232 includes a connecting rod 2320 and a cover plate 2321, and the cover plate 2321 is arranged on the upper surface of the upper cover 231, and the connecting rod 2320 is accommodated in the sliding cover accommodating hole 2312 and is connected to the upper cover 231 through the sliding cover spring 233 and the screw 234; the sliding cover 232 completely covers the upper cover air outlet 2310.

[0012] Preferably, the heating atomization device also includes a button 25; the button 25 includes a head 251, a rod 252 and two opposite second-group buckles 253; the head 251 is arranged in the button accommodating hole 241 of the shell, the two second-group buckles 253 are buckled on the bracket button accommodating hole 218, the rod 252 is located in the bracket button accommodating hole 218, and a button spring 26 is sleeved on the rod 252 and clamped between the head 251 and the circuit board 32.

[0013] Preferably, the heating atomization device also includes a shell 2, which includes an outer shell 24 and a battery cover 27; the outer shell 24 is sleeved outside the inner bracket 21; the outer shell 24 has an outer shell button accommodating hole 241 corresponding to the bracket button accommodating hole 218; the outer shell 24 has an outer shell pressure relief hole 242 and an outer shell charging port 243, which respectively correspond to the bracket pressure relief hole 215 and the bracket charging port 216.

[0014] Preferably, the battery cover 27 is arranged above the battery compartment 212 and the circuit board compartment 213; a first group of buckles 271 is provided on the battery cover, and a slot 219 is provided on the inner bracket, and the battery cover 27 and the inner bracket 21 are connected to the slot 219 via the first group of buckles 271.

[0015] The second aspect of the utility model discloses a method for using the heating atomization device, comprising the following steps: sliding the sliding cover 232 away from the upper cover air outlet 2310, inserting the cigarette to be atomized into the atomization tube 211 from the upper cover air outlet 2310, and due to the limitation of the limit platform 223, the cigarette contacts the atomization area 15 of the atomization chip 1 but does not contact the interdigital transducer 12; transmitting a radio frequency signal to the interdigital transducer 12, the interdigital transducer 12 is loaded with the radio frequency signal and excites a surface acoustic wave on the upper surface of the atomization chip 1, and the surface acoustic wave propagates to the atomization area 15, so that the cigarette to be atomized in the atomization area 15 is heated and atomized, and air enters from the air inlet 214 on the side wall of the atomization tube 211 and merges with the smoke to form an aerosol to be inhaled by the smoker.

[0016] The third aspect of the utility model discloses the use of the heating atomization device for heating and atomizing non-combustion cigarettes.

[0017] Compared with the existing technology, the beneficial effects of the utility model include at least:

[0018] 1. In the heating atomization device of the utility model, the atomization chip adopts surface acoustic wave technology to atomize the cigarette to be atomized, and the interdigital transducer generates surface acoustic waves under the excitation of the radio frequency signal. The surface acoustic waves will propagate from the upper surface of the atomization chip to the atomization area, and the cigarette to be atomized that contacts the atomization area will absorb the energy transmitted by the interdigital transducer and be atomized. Such an atomization method can make most of the energy act on the atomization of the cigarette to be atomized, which is conducive to improving the utilization rate of energy.

[0019] 2. The heating atomization device of the utility model has an interdigital transducer loaded with a radio frequency signal and generates a high-frequency vibrating sound wave on the surface of the atomization chip. During the heating process, the sound wave energy is converted into heat energy, and the cigarette is atomized to produce aerosol under the high-frequency vibrating sound wave energy; after testing, the baking temperature is suitable, the temperature of the aerosol is suitable, it will not cause burns, and the aerosol has a good taste. It is very suitable for heating atomization of heat-not-burn cigarettes.

[0020] 3. The heating atomization device of the utility model has two groups of interdigital transducers on the front and rear surfaces of the substrate. During operation, the sound wave energy generated by the two groups of interdigital transducers can speed up the baking time of cigarettes, which is conducive to improving work efficiency. At the same time, the atomization chip is non-detachably arranged in the atomization tube to prevent users from disassembling and damaging the atomization chip.

[0021] 4. The heating atomization device of the utility model is easy to use and is particularly suitable for heating and atomizing heat-not-burn cigarettes. Of course, it can also be used for heating and atomizing traditional cigarettes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the appearance of the heating atomization device of the utility model.

[0023] Figure 2 It is a cross-sectional view of the heating atomization device of the present utility model.

[0024] Figure 3 It is a structural schematic diagram of the atomization chip in the heating atomization device of the utility model.

[0025] Figure 4 It is a schematic structural diagram of an inner support in the heating atomization device of the utility model.

[0026] Figure 5 It is a structural schematic diagram of a chip holder in the heating atomization device of the utility model.

[0027] Figure 6 It is a structural schematic diagram of the upper cover assembly in the heating atomization device of the utility model.

[0028] Figure 7 It is a structural schematic diagram of the upper cover in the heating atomization device of the utility model.

[0029] Figure 8 It is a structural schematic diagram of a sliding cover in the heating atomization device of the utility model.

[0030] Fig. 9 It is a structural schematic diagram of a battery cover in the heating atomization device of the utility model.

[0031] Fig.10 It is a structural schematic diagram of the buttons in the heating atomization device of the utility model.

[0032] Fig.11 It is a structural schematic diagram of the shell in the heating atomization device of the utility model.

[0033] The accompanying drawings are marked as follows: 1, atomization chip; 11, piezoelectric substrate; 12, interdigital transducer; 13, substrate; 131, transfer PCB foot plate; 14, conductor; 15, atomization area; 2, shell; 21, inner bracket; 211, atomization tube; 212, battery compartment; 213, circuit board compartment; 214, atomization tube air inlet hole; 215, bracket pressure relief hole; 216, bracket charging port; 217, chip first accommodating groove; 218, bracket button accommodating hole; 219, card slot; 22, chip seat; 221 chip second accommodating groove; 2220, spring accommodating hole; 223, limit table; 23, upper cover assembly Components; 231, upper cover; 2310, upper cover air outlet; 2311, upper cover air inlet; 2312, sliding cover receiving hole; 232, sliding cover; 2320, connecting rod; 2321, cover plate; 233, sliding cover spring; 234, screw; 235, first group of magnets; 24, shell; 241, shell button receiving hole; 242, shell pressure relief hole; 243, shell charging port; 25, button; 251, head; 252, rod; 253, second group of buckles; 26, button spring; 27, battery cover; 271, first group of buckles; 28, conductive spring; 31, battery; 32, circuit board. DETAILED DESCRIPTION

[0034] The exemplary embodiments of the present invention will be described in more detail below in conjunction with the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0035] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the utility model. Instead, they are only examples of devices and methods consistent with some aspects of the utility model as detailed in the attached claims.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Please refer to Figure 1-Figure 11 The heating atomization device of the utility model shown in the figure. It includes an atomization chip 1; the atomization chip 1 includes a substrate 13, a piezoelectric substrate 11 and an interdigital transducer 12; the substrate 13 is in the shape of a sword or a rectangular parallelepiped with a pointed end, and the piezoelectric substrate 11 is in the shape of two pieces respectively bonded to the left and right side walls of the substrate 13; the interdigital transducer 12 is in two groups respectively located at the lower part of the front and back sides of the substrate 13; the middle and upper part of the front and back sides of the substrate 13 is the atomization area 15; the interdigital transducer 12 is isolated from the atomization area 15; a transfer PCB foot plate 131 is respectively arranged on both sides of the bottom of the substrate 13; the transfer PCB foot plate 131 on the same side is electrically connected to the interdigital transducer 12 through a conductor 14; the transfer PCB foot plates 131 on both sides are electrically connected through the conductive spring sheet 28 at the bottom to realize the electrical connection of the interdigital transducer 12; as shown in FIG. Figure 2 and Figure 3 shown.

[0039] The atomizer chip 1 is arranged on the chip seat 22 and vertically arranged in the atomizer tube 211; the upper part of the chip seat 22 is in the shape of a truncated cone, which is interference-fitted on the bottom end of the atomizer tube 211, and a rectangular groove is provided in the middle of the truncated cone of the chip seat 22, and two grooves with the same depth as the rectangular groove are provided at the opposite ends of the rectangular groove, namely, a first chip accommodating groove 217 and a second chip accommodating groove 221, and the rectangular groove, the first chip accommodating groove 217 and the second chip accommodating groove 221 are used to insert and vertically fix the atomizer chip 1; two or four spring clip accommodating holes 2220 that penetrate the bottom wall of the rectangular groove and are opposite to each other are provided on the bottom wall of the rectangular groove for the conductive spring clip 28 to pass through the bottom wall of the rectangular groove, so that the circuit board 32 in the circuit board compartment 213 can be electrically connected to the conductive spring clip 28, so as to realize the control and driving of the atomizer chip 1, such as Figure 2 and Figure 5 As shown; the other part of the chip holder 22 is a stopper 223, the height of the stopper 223 is higher than the upper edge line of the interdigital transducer 12, to limit the depth of the cigarette in the atomizer tube 211, to prevent the cigarette from contacting the interdigital transducer 12 causing the surface acoustic wave generation and transmission, such as Figure 2 and Figure 5 shown.

[0040] The atomizing tube 211 is cylindrical and fixedly mounted on the upper portion of the inner bracket 21. The bottom of the atomizing tube 211 is provided with an atomizing tube air inlet 214. The upper port of the atomizing tube 211 is used for inserting and removing the atomized cigarette. Figure 2 and Figure 5 shown.

[0041] The lower part of the inner bracket 21 is provided with a battery compartment 212 and a circuit board compartment 213; the battery compartment 212 contains a battery 31; the circuit board compartment 213 contains a circuit board 32 electrically connected to the conductive spring 28 to control and drive the atomizer chip 1; a bracket pressure relief hole 215 and a bracket charging port 216 are opened on the bottom wall of the inner bracket 21, and a bracket button accommodating hole 218 is opened on the side wall of the circuit board compartment 213 of the inner bracket 21, as shown in FIG. Figure 4 shown.

[0042] The heating atomization device further comprises an upper cover assembly 23, the upper cover assembly 23 comprises an upper cover 231, a sliding cover 232, a sliding cover spring 233 and a screw 234, the upper cover 231 is detachably connected to the upper part of the inner bracket 21 through a first group of magnets 235; an upper cover air inlet 2311 and an upper cover air outlet 2310 are provided on the upper cover 231, and the upper cover air outlet 2310 corresponds to the upper end of the atomization tube 211; the upper cover 231 is provided with a sliding cover accommodating hole 2312, the sliding cover 232 comprises a connecting rod 2320 and a cover plate 2321, the cover plate 2321 is arranged on the upper surface of the upper cover 231, the connecting rod 2320 is accommodated in the sliding cover accommodating hole 2312, and is connected to the upper cover 231 through the sliding cover spring 233 and the screw 234; the sliding cover 232 completely covers the upper cover air outlet 2310, as shown in FIG. Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8 The upper end of the inner bracket 21 of the utility model is provided with a second group of magnets (not shown in the figure) at the position corresponding to the first group of magnets 235 of the upper cover 231. The upper cover 231 is connected to the inner bracket 21 by the first group of magnets 235 and the second group of magnets (not shown in the figure). Preferably, the first group of magnets 235 and the second group of magnets (not shown in the figure) are four magnets respectively. Figure 6 and Figure 7 In the embodiment of the utility model, the upper cover air inlet hole 2311 is arranged on the side of the upper cover 231, as shown in FIG. Figure 1 , Figure 6 and Figure 7 As shown, when the user inhales, air enters the upper cover 231 from the upper cover air inlet hole 2311, and then enters the atomizer tube 211 from the atomizer tube air inlet hole 214, and forms an aerosol with the atomized small droplets, and enters the user's mouth. The side air intake can prevent the odor in the battery compartment 212 and the circuit board compartment 213 from being inhaled into the atomizer tube 211, so as to avoid affecting the taste of the aerosol.

[0043] The heating atomizing device further comprises a button 25; the button 25 comprises a head 251, a rod 252 and two opposite second-group buckles 253; the head 251 is arranged in the button receiving hole 241 of the housing, the two second-group buckles 253 are buckled on the button receiving hole 218 of the bracket, the rod 252 is located in the button receiving hole 218 of the bracket, and a button spring 26 is sleeved on the rod 252 and clamped between the head 251 and the circuit board 32; Figure 1 , Figure 2 , Fig.10 and Fig.11As shown. A shell button receiving hole 241 is provided on the side of the shell 24 at a position corresponding to the switch of the circuit board 32, a rod 252 is provided in the middle of the head 251 of the button 25, and two groups of second buckles 253 are provided, which are respectively provided on both sides of the rod 252. When the button 25 is accommodated in the shell button receiving hole 241, it is buckled on the bracket button receiving hole 218 through the second group of buckles 253, so that the button 25 is fixed in the shell button receiving hole 241, and the front end of the rod 252 of the button 25 abuts against the switch of the circuit board 32. When the button 25 is pressed, the button spring 26 contracts, and the power supply 32 outputs a radio frequency signal to the interdigital transducer 12. When the button 25 is released, the button 25 returns to its initial position under the action of the elastic force.

[0044] The heating atomizing device further comprises a housing 2, the housing 2 comprising a shell 24 and a battery cover 27. Figure 1 , Fig. 9 and Fig.11 As shown; the shell 24 is sleeved outside the inner bracket 21; the shell 24 has a shell button accommodating hole 241 corresponding to the bracket button accommodating hole 218; the shell 24 has a shell pressure relief hole 242 and a shell charging port 243, which respectively correspond to the bracket pressure relief hole 215 and the bracket charging port 216; so that when the battery 31 expands or mechanical failure occurs, the impact can be discharged downward to avoid harm to the user.

[0045] The battery cover 27 is disposed above the battery compartment 212 and the circuit board compartment 213; the battery cover is provided with a first set of buckles 271, and the inner bracket is provided with a slot 219, and the battery cover 27 and the inner bracket 21 are connected to the slot 219 through the first set of buckles 271, as shown in FIG. Figure 1 , Fig. 9 and Fig. 9 The circuit board 32 is fixed in the circuit board compartment 213 by screws (not shown in the figure) and bosses (not shown in the figure), a first set of buckles 271 is provided on the upper part of the battery cover 27, and a slot 219 is correspondingly provided on the inner bracket 21. The battery cover 27 and the inner bracket 21 are connected by the first set of buckles 271 and the slot 219, and the battery cover 27 covers the battery 31 and the circuit board 32 and is connected to the inner bracket 21, so that the battery 31 and the circuit board 32 are arranged in the outer shell 24, and the battery cover 27 can play a good role in electrical insulation.

[0046] The method for heating and atomizing heat-not-burn cigarettes using the heating and atomizing device of the utility model comprises the following steps: sliding the sliding cover 232 away from the upper cover air outlet 2310, inserting the heat-not-burn cigarette into the atomizing tube 211 from the upper cover air outlet 2310, and the heat-not-burn cigarette contacts the atomizing area 15 of the atomizing chip 1 but does not contact the interdigital transducer 12 due to the restriction of the limiting platform 223; the battery 31 transmits a radio frequency signal to the interdigital transducer 12, the interdigital transducer 12 is loaded with the radio frequency signal and excites a surface acoustic wave on the upper surface of the atomizing chip 1, and the surface acoustic wave propagates to the atomizing area 15, so that the heat-not-burn cigarette in the atomizing area 15 is heated and atomized, and air enters from the air inlet 214 on the side wall of the atomizing tube 211 and merges with the smoke to form an aerosol to be inhaled by the smoker. After use, the sliding cover 232 can be used to cover the upper cover air outlet 2310 , which is easy to operate and prevents dust from entering the atomizer tube 211 and contaminating the atomizer chip 1 .

[0047] The embodiments of the present invention are described in detail above. For ordinary technicians in this field, according to the ideas provided by the present invention, there will be changes in the specific implementation methods, and these changes should also be regarded as the protection scope of the present invention.

Claims

1. A heating atomization device, characterized in that: The invention comprises an atomization chip (1); the atomization chip (1) comprises a substrate (13), a piezoelectric substrate (11) and an interdigital transducer (12); the substrate (13) is sword-shaped, and the piezoelectric substrate (11) is composed of two pieces respectively bonded to the left and right side walls of the substrate (13); the interdigital transducers (12) are composed of two groups respectively located at the lower part of the front and back sides of the substrate (13); the middle and upper part of the front and back sides of the substrate (13) is an atomization area (15); the interdigital transducers (12) are arranged in isolation from the atomization area (15); a transfer PCB foot plate (131) is respectively arranged on the two sides of the bottom of the substrate (13); the transfer PCB foot plate (131) on the same side is electrically connected to the interdigital transducer (12) through a conductor (14); The transfer PCB foot plates (131) on both sides are electrically connected via a conductive spring sheet (28) at the bottom.

2. The heating atomization device according to claim 1, characterized in that: The atomizer chip (1) is arranged on a chip seat (22) and vertically arranged in an atomizer tube (211); the upper part of the chip seat (22) is in the shape of a truncated cone, which is interference-fitted on the bottom end of the atomizer tube (211); a rectangular groove is provided in the middle of the truncated cone of the chip seat (22); two grooves with the same depth as the rectangular groove are provided at opposite ends of the rectangular groove, namely a first chip accommodating groove (217) and a second chip accommodating groove (221); The first chip accommodating groove (217) and the second chip accommodating groove (221) are used for inserting and vertically fixing the atomizer chip (1); two or four spring-clip accommodating holes (2220) that penetrate the bottom wall of the rectangular groove and are opposite to each other are opened on the bottom wall of the rectangular groove for the conductive spring (28) to pass through the bottom wall of the rectangular groove; the other part of the chip seat (22) truncated cone is a limiting platform (223), and the height of the limiting platform (223) is higher than the upper edge line of the interdigital transducer (12).

3. The heating atomization device according to claim 2, characterized in that: The atomizing tube (211) is cylindrical and fixedly arranged on the upper part of the inner bracket (21). The bottom of the atomizing tube (211) is provided with an atomizing tube air inlet hole (214); the upper end of the atomizing tube (211) is used for inserting and removing atomized cigarettes.

4. The heating atomization device according to claim 3, characterized in that: The lower part of the inner bracket (21) is provided with a battery compartment (212) and a circuit board compartment (213); the battery compartment (212) contains a battery (31); the circuit board compartment (213) contains a circuit board (32) electrically connected to the conductive spring sheet (28) to control and drive the atomizer chip (1); a bracket pressure relief hole (215) and a bracket charging port (216) are provided on the bottom wall of the inner bracket (21), and a bracket button accommodating hole (218) is provided on the side wall of the circuit board compartment (213) of the inner bracket (21).

5. The heating atomization device according to claim 3, characterized in that: The heating atomizing device further comprises an upper cover assembly (23), wherein the upper cover assembly (23) comprises an upper cover (231), a sliding cover (232), a sliding cover spring (233) and a screw (234); the upper cover (231) is detachably connected to the upper portion of the inner bracket (21) via a first group of magnets (235); an upper cover air inlet (2311) and an upper cover air outlet (2310) are provided on the upper cover (2311); the upper cover air outlet (2310) is connected to the upper end of the atomizing tube (211) The upper cover (231) is provided with a sliding cover receiving hole (2312), the sliding cover (232) comprises a connecting rod (2320) and a cover plate (2321), the cover plate (2321) is arranged on the upper surface of the upper cover (231), the connecting rod (2320) is received in the sliding cover receiving hole (2312), and is connected to the upper cover (231) via a sliding cover spring (233) and a screw (234); the sliding cover (232) completely covers the upper cover air outlet (2310).

6. The heating atomization device according to claim 4, characterized in that: The heating atomizing device further comprises a button (25); the button (25) comprises a head (251), a rod (252) and two opposite second groups of buckles (253); the head (251) is arranged in a button receiving hole (241) of the housing, the two second groups of buckles (253) are buckled on the button receiving hole (218) of the bracket, the rod (252) is located in the button receiving hole (218) of the bracket, and a button spring (26) is sleeved on the rod (252) and is clamped between the head (251) and the circuit board (32).

7. The heating atomization device according to claim 6, characterized in that: The heating atomizing device further comprises a shell (2), the shell (2) comprising an outer shell (24) and a battery cover (27); the outer shell (24) is sleeved outside the inner bracket (21); the outer shell (24) has an outer shell button accommodating hole (241) corresponding to the bracket button accommodating hole (218); the outer shell (24) has an outer shell pressure relief hole (242) and an outer shell charging port (243), which respectively correspond to the bracket pressure relief hole (215) and the bracket charging port (216).

8. The heating atomization device according to claim 7, characterized in that: The battery cover (27) is arranged above the battery compartment (212) and the circuit board compartment (213); a first group of buckles (271) is arranged on the battery cover, a card slot (219) is arranged on the inner bracket, and the battery cover (27) and the inner bracket (21) are connected to the card slot (219) via the first group of buckles (271).

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