CN110742327A

CN110742327A - Electronic cigarette

Info

Publication number: CN110742327A
Application number: CN201911099299.XA
Authority: CN
Inventors: 张来红; 林科; 徐中立; 李永海
Original assignee: Shenzhen FirstUnion Technology Co Ltd
Current assignee: Shenzhen FirstUnion Technology Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-02-04

Abstract

The invention provides an electronic cigarette, which comprises: the shell assembly is provided with an air inlet and an air outlet; the atomization assembly is used for atomizing a liquid substrate to form aerosol, an aerosol channel for discharging the aerosol is arranged between the atomization assembly and the air outlet, and an air inlet channel is arranged between the atomization assembly and the air inlet; and the airflow sensing assembly comprises a support, a blocking piece and an airflow sensor, the blocking piece is matched with the support to form an accommodating cavity, the airflow sensor is accommodated in the accommodating cavity, and a liquid substrate accommodating groove communicated with the aerosol channel and used for accommodating the liquid substrate is defined between the blocking piece and the shell assembly or is formed on the blocking piece. According to the electronic cigarette, the liquid substrate reserved from the atomization assembly is accommodated by the liquid substrate accommodating groove, so that the liquid substrate is prevented from flowing into the airflow sensor, and the service life of the electronic cigarette is prolonged.

Description

Electronic cigarette

Technical Field

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette.

Background

The electronic cigarette generally includes atomization component and power supply unit, is provided with the air current inductor that is used for controlling the work of electronic cigarette in the power supply unit, thereby the controller accessible detects the signal of air current inductor and starts the heater work in the atomization component, and the atomizing liquid matrix of heating lets the user suck behind becoming the aerosol with the liquid matrix atomizing. In current electron cigarette, the air current inductor touch the air flue and usually with atomization component's inlet channel sharing, inhales in atomization component suction nozzle department during the smoking to trigger the air current inductor and produce the signal, so that atomization component work, the work of the heater in the atomization component produces high temperature and makes the atomizing of liquid substrate produce aerosol, and aerosol temperature is higher than the temperature of inlet channel inner wall in the atomization component, consequently often can form condensation liquid substrate at the inlet channel inner wall. Liquid substrate who reveals in condensation liquid substrate or the electron cigarette usually can be through inlet channel, and then flow in the air current inductor, and then cause the condition that the air current inductor is malfunctioning or the consumer produced trigger signal automatically under the state of not breathing in and start the electron cigarette, cause the product safety problem and reduced electron cigarette life.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an electronic cigarette which can better prevent liquid matrix from flowing into an airflow sensor.

The invention provides an electronic cigarette, comprising:

the shell assembly is provided with an air inlet and an air outlet;

the atomization assembly is accommodated in the shell assembly and used for atomizing a liquid substrate to form aerosol, an aerosol channel used for discharging the aerosol is arranged between the atomization assembly and the air outlet, and an air inlet channel is arranged between the atomization assembly and the air inlet; and

the airflow sensing assembly comprises a support, a blocking piece and an airflow sensor, wherein the blocking piece is matched with the support to form an accommodating cavity, the airflow sensor is accommodated in the accommodating cavity, and the blocking piece is provided with a vent hole for communicating the accommodating cavity with the air inlet channel so that the airflow sensor can detect airflow change in the air inlet channel;

the barrier member is configured to prevent liquid substrate formed by condensation in the aerosol passage from entering the accommodating cavity, wherein a liquid substrate accommodating groove communicated with the aerosol passage and used for accommodating the liquid substrate is defined between the barrier member and the shell assembly or is formed on the barrier member.

Preferably, the electronic cigarette comprises a battery housed in the housing assembly, the battery is located between the atomizing assembly and the airflow sensing assembly and electrically connected to the airflow sensor, a gap is formed between the battery and the housing assembly, and the gap is in communication with the aerosol channel and the liquid substrate receiving slot.

Preferably, the barrier member includes an annular base plate portion, an inner peripheral edge of the base plate portion extends towards the atomizing assembly to form a cylindrical barrier portion, the base plate portion, the barrier portion and the housing assembly define the liquid matrix accommodating groove therebetween, and the vent hole is formed in an inner space of the barrier portion.

Preferably, a vent notch is arranged at an end face of one end, facing the atomization assembly, of the blocking portion, and the vent notch is communicated with the vent hole.

Preferably, a reinforcing part extending towards the atomizing assembly and a wire groove are arranged on one side of the base plate part facing the atomizing assembly, and the wire groove penetrates through the base plate part and the reinforcing part along the extending direction of the reinforcing part; the airflow sensor is connected with a wire, and the wire penetrates through the wire groove to be electrically connected with the atomizing assembly.

Preferably, the support is located the barrier spare dorsad one side of atomizing component, the support is provided with the mounting groove, the air current inductor is acceptd in the mounting groove, the barrier spare lid is established on the mounting groove.

Preferably, the base plate portion is provided with a positioning groove, the support is provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove.

Preferably, a slot is formed in an outer wall surface of the bracket, the base plate portion extends towards the bracket to form a clamping arm, and the clamping arm is inserted into the slot and clamped on the bracket.

Preferably, the airflow sensing assembly further comprises a first waterproof breathable film, the support is provided with an air inlet communicated with the mounting groove, the air inlet is communicated with the outside of the electronic cigarette, and the first waterproof breathable film covers the air inlet.

Preferably, the airflow sensing assembly further comprises a second waterproof breathable film, and the second waterproof breathable film is covered on one side, facing the atomization assembly, of the airflow sensor.

Preferably, the airflow sensing assembly further comprises an elastic sealing seat, a line hole is formed in the side wall of the elastic sealing seat, the line hole penetrates through the two opposite ends of the elastic sealing seat, the elastic sealing seat is accommodated in the mounting groove and sleeved on the airflow sensor, the airflow sensor is connected with a wire, and the wire penetrates through the line hole to be electrically connected with the atomizing assembly.

Preferably, the notch of the liquid matrix containing groove is arranged facing the battery and the atomizing assembly and corresponds to the position of the gap.

Preferably, the outer wall surface of the bracket is provided with a first vent groove, and the first vent groove is communicated with the air inlet and the aerosol channel.

Preferably, the housing assembly comprises a sleeve, a suction nozzle cover and a sealing cover, the atomizing assembly and the airflow sensing assembly are both contained in the sleeve, the suction nozzle cover is arranged at the first end of the sleeve, and the suction nozzle cover is provided with the air outlet; the sealing cover is covered at the second end of the sleeve, the air inlet is defined and formed between the sealing cover and the sleeve, the sealing cover is provided with a second vent groove communicated with the first vent groove, and the air inlet is communicated with the second vent groove.

The invention has the following beneficial effects: according to the electronic cigarette, the support, the blocking piece and the airflow sensor are matched to form the airflow sensing assembly, the blocking piece and the support are matched to form the accommodating cavity, the airflow sensor is accommodated in the accommodating cavity, and the blocking piece is configured to prevent liquid substrates formed by condensation in the aerosol channel from entering the accommodating cavity, so that the liquid substrates are prevented from flowing into the airflow sensor, and the service life of the electronic cigarette is prolonged; in addition, a liquid substrate accommodating groove which is communicated with the aerosol channel and is used for accommodating the liquid substrate is defined between the blocking piece and the shell assembly or is formed on the blocking piece, so that the liquid substrate cannot leak randomly, and the probability of the liquid substrate flowing into the airflow sensor is further reduced.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a perspective view of an electronic cigarette according to a preferred embodiment of the present invention;

figure 2 is a cross-sectional view of the e-cigarette of figure 1;

figure 3 is an enlarged view of area a of the e-cigarette of figure 2;

figure 4 is an exploded view of part of the components of the electronic cigarette shown in figure 1;

figure 5 is an assembly of parts of the electronic cigarette shown in figure 1;

FIG. 6 is a combination view of the alternate view of FIG. 5;

figure 7 is a perspective view of the smoke barrier of the electronic cigarette shown in figure 1;

figure 8 is a cross-sectional view of an electronic cigarette according to another preferred embodiment of the present invention;

figure 9 is an enlarged view of region B of the e-cigarette shown in figure 8.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description.

Example 1

Referring to fig. 1 and 2, the present invention provides an electronic cigarette, including a housing assembly 10, an atomizing assembly 20, a battery 30 and an airflow sensing assembly 40, where the housing assembly 10 includes a sleeve 11, a nozzle cover 12 and a sealing cover 13, the sleeve 11 has a first end and a second end that are oppositely disposed, the atomizing assembly 20, the airflow sensing assembly 40 and the battery 30 are all accommodated in the sleeve 11, the nozzle cover 12 is disposed at the first end of the sleeve 11, and the nozzle cover 12 is disposed with an air outlet p. The sealing cover 13 is arranged at the second end of the sleeve 11 in a covering manner, an air inlet n is defined between the sealing cover 13 and the sleeve 11, and air outside the electronic cigarette is introduced into the electronic cigarette through the air inlet n. The sealing cover 13 is provided with a second vent groove 131, the second vent groove 131 faces the inner wall of the casing 11, and the air inlet n is communicated with the second vent groove 131.

It is understood that the positions of the air inlet n and the air outlet p are not particularly limited as long as the air inlet n and the air outlet p are opened on the housing assembly 10. In some embodiments, the sleeve 11 and the nozzle cap 12 are integrally formed, or the sleeve 11 and the sealing cap 13 are integrally formed. Of course, it is also possible to dispense with the mouthpiece cover 12, or the sleeve 11 is formed by a plurality of sections of tubular body which are connected to one another by a connecting mechanism.

The atomization assembly 20 is used for atomizing a liquid substrate to form aerosol, an aerosol passage a for discharging aerosol is arranged between the atomization assembly 20 and the air outlet p, and an air inlet passage is arranged between the atomization assembly 20 and the air inlet n. Preferably, in this embodiment, the electronic cigarette further includes a ventilation tube 50, a fixing sleeve 60 and a support member 70, the ventilation tube 50 is received in the sleeve 11, a liquid substrate accommodating space 14 is formed between the ventilation tube 50 and the sleeve 11, and the aerosol passage a is formed in the ventilation tube 50. The side wall of the breather pipe 50 is provided with a drain hole 501 communicating with the liquid medium accommodating space 14.

Referring to fig. 2, the atomizing assembly 20 is accommodated in the vent pipe 50 and located at one end of the aerosol passage a, the atomizing assembly 20 includes a porous ceramic pipe 21, a heating wire 22 and an oil absorbent cotton 23, the heating wire 22 is wound in a cylindrical shape and inserted into the porous ceramic pipe 21, and an inner wall surface of the porous ceramic pipe 21 contacts the heating wire 22. The oil absorption cotton 23 is coated on the outer circumferential surface of the porous ceramic tube 21 and covers the liquid discharge hole 501 to absorb the liquid matrix flowing out of the liquid discharge hole 501. The oil absorption cotton 23 absorbs the liquid substrate and then conducts the liquid substrate to the porous ceramic tube 21, and the electric heating wire 22 atomizes the liquid substrate on the porous ceramic tube 21 to form aerosol when the porous ceramic tube 21 works.

The fixing sleeve 60 is accommodated in the sleeve 11 and sleeved on the oil absorbent cotton 23, and the end surface of the fixing sleeve 60 facing the liquid matrix accommodating space 14 is abutted against the end surface of the vent pipe 50. A seal ring 80 is sleeved outside the fixing sleeve 60, and the seal ring 80 is elastically abutted against the inner wall surface of the sleeve 11 to prevent the liquid matrix from leaking towards the battery 30. The supporting element 70 is inserted into the fixing sleeve 60 and connected with the fixing sleeve 60 in a fastening manner, and the supporting element 70 abuts against the end surface of the oil absorption cotton 23 facing the battery 30, so that the atomization assembly 20 is better accommodated in the vent pipe 50. The end of the air tube 50 opposite to the battery 30 is inserted into the nozzle cap 12, and the aerosol formed by the liquid substrate atomized by the atomizing assembly 20 is discharged from the air outlet p of the nozzle cap 12.

It is to be understood that the structure of the atomizing assembly 10 is not particularly limited herein, so long as it is capable of atomizing a liquid substrate. For example, the ventilation tube 50 and the nozzle cover 12 may not be needed, before smoking, the tobacco tar is dripped on the oil absorption cotton 23, and then the heating wire 22 is controlled to generate heat to atomize the liquid substrate; or the atomizing assembly 20 does not need to be provided with the porous ceramic tube 21, and the heating wire 22 is directly attached to the inner circumferential surface of the oil absorbent cotton 23.

Referring to fig. 2 to 7, the battery 30 is connected to the atomizing assembly 20 for supplying power to the atomizing assembly 20, the battery 30 is located between the atomizing assembly 20 and the airflow sensing assembly 40 and electrically connected to the airflow sensing assembly 40, a gap is formed between the battery 30 and the housing assembly 10, the gap is communicated with the aerosol passage a, and the gap is used as a part of the air inlet passage.

The airflow sensing assembly 40 is accommodated in the housing assembly 10, and includes a blocking member 41, an airflow sensor 42 and a bracket 43, the blocking member 41 and the bracket 43 cooperate to form an accommodating cavity q, the airflow sensor 42 is accommodated in the accommodating cavity q, and the blocking member 41 is provided with a vent 413 for communicating the accommodating cavity q with the intake passage so that the airflow sensor 42 detects airflow changes in the intake passage. Specifically, the orifice of the end of the vent hole 413 facing the battery 30 is spaced a predetermined distance from the end surface of the battery 30 and communicates with the gap.

The barrier 41 is configured to prevent the liquid substrate formed by condensation in the aerosol channel a from entering the accommodating cavity q, wherein a liquid substrate accommodating groove b communicated with the aerosol channel a and used for accommodating the liquid substrate is defined between the barrier 41 and the shell assembly 10.

Specifically, the battery 30 and the airflow sensor 42 are respectively located at two opposite sides of the blocking member 41, the battery 30 is located between the blocking member 41 and the atomizing assembly 20, the blocking member 41 and the housing assembly 10 define the liquid substrate receiving groove b communicated with the aerosol channel a, that is, the gap is communicated with the aerosol channel a and the liquid substrate receiving groove b, and the notch of the liquid substrate receiving groove b is disposed facing the atomizing assembly 20 and corresponds to the position of the gap, so as to better collect the liquid substrate flowing from the atomizing assembly.

The blocking member 41 includes an annular base plate portion 411, a cylindrical blocking portion 412 is formed by extending the inner peripheral edge of the base plate portion 411 towards the atomizing assembly, the base plate portion 411, the blocking portion 412 and the housing assembly 10 form the liquid substrate accommodating groove b, a vent hole 413 is formed in the hollow cavity of the blocking portion 412, and the vent hole 413 is communicated with the aerosol passage a, so that when a user smokes, the airflow sensor 42 senses the smoking action of the user through the vent hole 413. By providing the annular base plate portion 411, not only the flow of the liquid substrate toward the airflow sensor 42 can be better prevented, but also the air path is smoother.

The end face of one end of the blocking portion 412 facing the atomizing assembly 10 is provided with two ventilation notches 414, the ventilation notches 414 are communicated with the ventilation holes 413, and the two ventilation notches 414 are centrosymmetric with respect to the center line of the blocking portion 412. By providing the vent hole 414, even if the end surface of the blocking portion 412 comes into contact with the battery 30 during assembly, the vent hole 413 is not blocked, and thus the air passage is ensured to be smooth.

A reinforcing portion 415 extending toward the atomizing assembly 10 and a line groove 416 are disposed on a side of the base plate portion 411 facing the atomizing assembly 10, and the line groove 416 penetrates through the base plate portion 411 and the reinforcing portion 415 along an extending direction of the reinforcing portion 415. The base plate portion 411 is provided with a positioning groove 417, and the positioning groove 417 is located at an edge of the base plate portion 411. The base plate 411 extends towards the bracket to form a clamping arm 418, and the width of the fixed end of the clamping arm 418 is larger than that of the free end of the clamping arm 418, so that the structure is reliable.

The bracket 43 is accommodated in the housing assembly 10, the bracket 43 is located at a side of the blocking member 41 opposite to the atomizing assembly 10, the bracket 43 is provided with an installation groove 431, the airflow sensor 42 is accommodated in the installation groove 431, the airflow sensor 42 is connected with a wire c, and the wire c penetrates through the wire slot 416 and is electrically connected with the atomizing assembly 10. On the intake passage, the airflow sensor 42 is located upstream of the blocking member 41. In this embodiment, a control chip is integrated in the airflow sensor 42, and no additional control circuit is needed, when the airflow sensor 42 detects that a user smokes, the airflow sensor 42 directly controls the battery 30 to supply power to the atomizing assembly 10. Of course, in some embodiments, the airflow sensor 42 is separate from the control chip.

The blocking member 41 covers the installation groove 431, thereby not only protecting the airflow sensor 42, but also preferably preventing the liquid substrate from flowing into the airflow sensor 42. That is, the installation groove 431 is a part of the receiving cavity q, and a wall surface of the blocking member 41 facing the installation groove 431 is also a surface of the receiving cavity q.

In some embodiments, a space for accommodating the airflow sensor 42 is also provided in the blocking member 41, one end of the airflow sensor 42 is inserted into the blocking member 41, and the other end of the airflow sensor 42 is inserted into the bracket 2, so that the structure of the accommodating cavity q is not particularly limited herein.

The bracket 43 is further provided with a positioning protrusion 432, the positioning protrusion 432 is located at an end surface of the bracket 43, and the positioning protrusion 432 is inserted into the positioning groove 417, so that the bracket 43 and the blocking member 41 are integrated, thereby not only facilitating assembly, but also better preventing the liquid substrate from flowing into the mounting groove 431. The outer wall of the bracket 43 is provided with a slot 433 and a first vent groove 434, and the clamping arm 418 is inserted into the slot 433 and clamped on the bracket 43, so that the barrier 41 and the bracket 43 can be more reliably connected. To avoid loosening even better, the inside of the holding arm 418 is provided with a projection 4181 that abuts against the slot 433. The first ventilation groove 434 communicates with the aerosol passage a and the second ventilation groove 131 as a part of the air intake passage. The bracket 43 is further provided with an air inlet 435 communicated with the mounting groove 431, and the air inlet 435 is communicated with the outside of the power supply assembly 20.

The airflow sensing assembly 40 further comprises a first waterproof breathable membrane 44, a second waterproof breathable membrane 45 and an elastic sealing seat 46, wherein the first waterproof breathable membrane 44 is covered on the air inlet 435, so that liquid such as water or liquid matrix can be prevented from flowing into the airflow sensor 42 from the air inlet 435. The second waterproof and breathable membrane 45 covers the side of the airflow sensor 42 facing the atomizing assembly 10 to prevent the liquid substrate that may leak from the barrier 41, thereby playing a role of multiple liquid substrate prevention.

The side wall of the elastic sealing seat 46 is provided with a wire passing hole 461, the wire passing hole 461 penetrates through two opposite ends of the elastic sealing seat 46, and the elastic sealing seat 46 is accommodated in the installation groove 431 and sleeved on the airflow sensor 42, so that airflow coming from the air inlet 435 can be prevented from flowing to the aerosol channel a from the outside of the airflow sensor 42, the sensitivity of the airflow sensor 42 is improved, and the airflow sensor 42 can be well protected. The conducting wire c passes through the wire hole 461 to be electrically connected with the atomizing assembly 10, so that the conducting wire c can be prevented from being broken by the bracket 43, and the conducting wire c is better protected. In this embodiment, the airflow sensor 42 is disposed coaxially with the atomizing assembly 10. In some embodiments, the airflow sensor 42 may be disposed between the battery 30 and the atomizing assembly 10, or the axial direction of the airflow sensor 42 may be perpendicular to the axial direction of the atomizing assembly 10, or the like.

Example 2

Referring to fig. 8 and 9, the structure of the present embodiment is similar to that of embodiment 1, except that: the blocking member 41 is formed with a liquid substrate receiving groove b communicated with the aerosol channel a, the liquid substrate receiving groove b is disposed around the blocking portion 412, when the electronic cigarette is vertically placed, the height of the notch of the liquid substrate receiving groove b is lower than the height of the blocking portion 412, so that when the liquid substrate of the liquid substrate receiving groove b is full, the liquid substrate can be prevented from flowing into the airflow sensor 42.

In summary, the airflow sensing assembly 40 is formed by the support 43, the blocking member 41 and the airflow sensor 42 cooperating with each other, the blocking member 41 and the support 43 cooperate to form a receiving cavity q, the airflow sensor 42 is received in the receiving cavity q, and the blocking member 41 is configured to prevent the liquid substrate condensed in the aerosol passage from entering the receiving cavity q, so that the liquid substrate is prevented from flowing into the airflow sensor 42, and the service life of the electronic cigarette is prolonged; in addition, a liquid substrate accommodating groove b for accommodating the liquid substrate is defined between the blocking member 41 and the housing assembly 10 or is formed on the blocking member 41 and communicated with the aerosol passage a, so that the liquid substrate does not leak at will, and the probability of the liquid substrate flowing into the airflow sensor is further reduced

It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but the present invention is not limited to the embodiments described in the specification, and further, it will be apparent to those skilled in the art that modifications and changes can be made in the above description, and all such modifications and changes should fall within the protection scope of the appended claims.

Claims

1. An electronic cigarette, comprising:

the shell assembly is provided with an air inlet and an air outlet;

2. The electronic cigarette of claim 1, wherein the electronic cigarette comprises a battery housed within the housing assembly, the battery positioned between the atomizing assembly and the airflow sensing assembly and electrically connected to the airflow sensor, the battery and the housing assembly forming a gap therebetween, the gap communicating with the aerosol passage and the liquid-substrate receiving slot.

3. The electronic cigarette according to claim 1 or 2, wherein the blocking member comprises an annular base plate portion, an inner peripheral edge of the base plate portion extends towards the atomizing assembly to form a cylindrical blocking portion, the base plate portion, the blocking portion and the housing assembly define the liquid matrix accommodating groove therebetween, and the vent hole is formed in an inner space of the blocking portion.

4. The electronic cigarette of claim 3, wherein a vent notch is provided at an end surface of the blocking portion facing the atomizing assembly, and the vent notch is in communication with the vent hole.

5. The electronic cigarette according to claim 3, wherein a side of the base plate portion facing the atomizing assembly is provided with a reinforcing portion extending in a direction of the atomizing assembly and a wire groove penetrating the base plate portion and the reinforcing portion in an extending direction of the reinforcing portion; the airflow sensor is connected with a wire, and the wire penetrates through the wire groove to be electrically connected with the atomizing assembly.

6. The electronic cigarette of claim 3, wherein the bracket is located on a side of the blocking member facing away from the atomizing assembly, the bracket is provided with a mounting groove, the airflow sensor is received in the mounting groove, and the blocking member covers the mounting groove.

7. The electronic cigarette according to claim 3, wherein the base plate portion is provided with a positioning groove, and the holder is provided with a positioning projection, the positioning projection being inserted in the positioning groove.

8. The electronic cigarette according to claim 3, wherein a slot is provided on an outer wall surface of the holder, and a holding arm is formed by extending the base plate portion toward the holder, the holding arm being inserted into the slot and held on the holder.

9. The electronic cigarette of claim 6, wherein the airflow sensing assembly further comprises a first waterproof air permeable membrane, the bracket is provided with an air inlet hole communicated with the mounting groove, the air inlet hole is communicated with the outside of the electronic cigarette, and the first waterproof air permeable membrane covers the air inlet hole.

10. The electronic cigarette of claim 9, wherein the airflow sensing assembly further comprises a second waterproof breathable membrane covering a side of the airflow sensor facing the atomizing assembly.

11. The electronic cigarette of claim 6, wherein the airflow sensing assembly further comprises an elastic sealing seat, a line passing hole is formed in a side wall of the elastic sealing seat, the line passing hole penetrates through two opposite ends of the elastic sealing seat, the elastic sealing seat is accommodated in the installation groove and sleeved on the airflow sensor, the airflow sensor is connected with a wire, and the wire penetrates through the line passing hole to be electrically connected with the atomizing assembly.

12. The electronic cigarette of claim 2, wherein the notch of the liquid matrix containing slot is disposed facing the battery and the atomization assembly and corresponds to the position of the gap.

13. The electronic cigarette according to claim 1 or 2, wherein the outer wall surface of the holder is provided with a first ventilation groove, and the first ventilation groove is communicated with the air inlet and the aerosol passage.

14. The electronic cigarette of claim 13, wherein the housing assembly comprises a sleeve, a nozzle cap and a sealing cap, the atomizing assembly and the airflow sensing assembly are both housed in the sleeve, the nozzle cap is disposed at a first end of the sleeve, and the nozzle cap is disposed with the air outlet; the sealing cover is covered at the second end of the sleeve, the air inlet is defined and formed between the sealing cover and the sleeve, the sealing cover is provided with a second vent groove communicated with the first vent groove, and the air inlet is communicated with the second vent groove.