CN217658195U

CN217658195U - Pneumatic trigger device and aerosol generating device

Info

Publication number: CN217658195U
Application number: CN202221796468.2U
Authority: CN
Inventors: 邱伟华; 姚礼灼
Original assignee: Joyetech Shenzhen Electronics Co Ltd
Current assignee: Joyetech Shenzhen Electronics Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-10-28
Anticipated expiration: 2032-07-12

Abstract

The utility model provides a pneumatic trigger device and aerosol generating device, among the pneumatic trigger device structure, through the inside space of placing that is used for placing electronic components that sets up of casing to at the inside air guide that has the air flue that sets up of casing, set up signal generator in the air flue, set up sensing unit in the space of placing of casing. When the aerosol generating device is used, the air flow in the air passage can prompt the signal generator to generate a corresponding signal, the sensing unit can control the aerosol generating device to start to work according to the received signal only by receiving the signal generated by the signal generator through the sensing unit, and therefore the aerosol generating device is triggered to work automatically through the air flow. Because placing space and air flue are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing the space through the air flue to effectively prevent that the condensate from causing the erosion and causing the trouble to the electronic components in placing the space.

Description

Pneumatic trigger device and aerosol generating device

Technical Field

The utility model belongs to the technical field of the atomizing, in particular, relate to a pneumatic trigger device and aerosol generating device.

Background

The aerosol generating device is a common atomizing device and mainly comprises an atomizer and a power supply device, wherein a heating unit in the atomizer is powered by the power supply device, and the heating unit can heat and atomize aerosol forming substrates to form aerosol under electric drive.

At present, aerosol generating device generally sets up the miaow head sensor in the air flue, through the change of air current or atmospheric pressure in the miaow head sensor response air flue, the miaow head sensor is simultaneously to the signal of telecommunication that the control panel transmission corresponds to trigger control panel control aerosol generating device and start work. However, the aerosol-forming substrate or the condensate in the nebulizer usually flows along the airway to the microphone sensor, which easily causes the condensate to corrode the microphone sensor or the control board, and further causes short-circuit failure or even damage to the microphone sensor or the control board, thereby affecting the normal use of the aerosol-generating device.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, one of the purposes of the utility model is to provide a pneumatic trigger device to the condensate that exists can flow to electronic components along the air flue usually among the solution prior art, leads to the condensate to invade electronic components and causes the technical problem of trouble.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a pneumatic triggering device including:

the shell is internally provided with a placing space for placing electronic components;

the air guide piece is arranged inside the shell, and an air passage for introducing air is arranged on the air guide piece; a signal generator for generating a corresponding signal when air is introduced into the airway; and

the sensing unit is used for receiving the signal generated by the signal generator and controlling the aerosol generating device to start to work according to the received signal;

wherein, be equipped with in the air flue signal generator, be provided with in the space of placing sensing unit, just the air flue with place the space mutual isolation setting.

In one embodiment, the signal generator is a magnetic signal generator, and the sensing unit includes a magnetoelectric sensor and a control board electrically connected to the magnetoelectric sensor.

In one embodiment, the magnetic signal generator comprises an impeller rotatably mounted in the air passage and a magnet disposed on the impeller.

In one embodiment, the magnet is a circular or annular magnetic element having an S-pole and an N-pole.

In one embodiment, an accommodating cavity is formed inside the air passage, and the impeller is rotatably installed in the accommodating cavity.

In one embodiment, the magnetoelectric sensor is a magnetic induction switch element capable of converting a magnetic induction signal into a pulse signal.

In one embodiment, the magnetic signal generator includes an impeller rotatably mounted in the air guide member and a magnet disposed on the impeller, the pneumatic triggering device further includes a detection chip for detecting a rotation rate of the impeller according to a pulse frequency of a pulse signal transmitted by the magnetic induction switching element, the detection chip is electrically connected to the control board, and the control board can control an atomization power of the aerosol generating device according to a detection signal transmitted by the detection chip.

In one embodiment, the magnetic signal generator includes an oscillating member arranged in the air passage in an oscillating manner and a magnet arranged on the oscillating member.

In one embodiment, the swinging member is provided with a through hole for allowing the air flow to pass through.

In one embodiment, the through holes are arranged to penetrate along the flow direction of the air in the air passage.

In one embodiment, the air guide piece is provided with an air inlet for introducing external air into the air passage, the air guide piece is provided with an air outlet for introducing air in the air passage into the atomizing cavity of the aerosol generating device, and the central axis of the air outlet is perpendicular to the central axis of the air inlet.

In one embodiment, the air guide member is integrally formed with the housing.

Based on the above-mentioned problem that exists among the prior art, the utility model discloses a second aim at provides an aerosol generating device who has the pneumatic trigger device in any one of above-mentioned scheme.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided an aerosol generating device comprising the pneumatic triggering device provided in any of the above aspects.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, compare with prior art, have one of following beneficial effect at least:

the embodiment of the utility model provides an in pneumatic trigger device and aerosol generating device is used for placing electronic components's the space of placing through inside setting up of casing to at the inside air guide piece that has the air flue that sets up of casing, set up signal generator in the air flue, set up sensing unit in the space of placing of casing. When the aerosol generating device is used, the air flow in the air passage can prompt the signal generator to generate a corresponding signal, the sensing unit can control the aerosol generating device to start to work according to the received signal only by receiving the signal generated by the signal generator through the sensing unit, and therefore the aerosol generating device is triggered to work automatically through the air flow. Because the placing space and the air passage are in an isolation state, the condensate generated by the work of the aerosol generating device can be prevented from leaking to the placing space through the air passage, and therefore the condensate is effectively prevented from corroding electronic components in the placing space to cause faults.

the air guide piece is arranged inside the shell, and an air passage for introducing air is arranged on the air guide piece; a sound generating unit for generating sound when air is introduced into the air passage; and

the sensing unit is used for receiving the sound generated by the sound generating unit and controlling the aerosol generating device to start to work according to the sound;

wherein, be equipped with in the air flue sound generating unit, be provided with in the space of placing sensing unit, the air flue with place the space mutual isolation setting.

In one embodiment, the sound generating unit is a sound generator; or the sound generating unit is a vibration sound generating piece.

In one embodiment, the sound generating unit is a vibration sound generating piece, and the vibration sound generating piece includes an elastic vibrating piece arranged in the air passage.

In one embodiment, the elastic vibrating piece is mounted on an inner sidewall of the air passage.

In one embodiment, the number of the elastic vibration pieces is set to be a plurality of pieces, and the plurality of pieces of the elastic vibration pieces are arranged at intervals along the flow direction of the air.

In one embodiment, the distance between two adjacent elastic vibrating reeds is equal. In one embodiment, an included angle between the elastic vibrating reed and the inner side wall of the air passage is 15-45 degrees; or, the inclination angle of the elastic vibrating piece is 15 to 45 °.

In one embodiment, the sensing unit includes a sound sensor and a control board electrically connected to the sound sensor, and the sound sensor is configured to receive sound generated by the sound generating unit to generate a corresponding sound signal.

In one embodiment, the pneumatic trigger device further includes a detection chip for detecting the air flow rate according to the strength of the acoustic signal sensed by the acoustic sensor, the detection chip is electrically connected to the control board, and the control board can control the atomization power of the aerosol generating device according to the detection signal transmitted by the detection chip.

In one embodiment, the air guide is integrally formed with the housing. Based on the above-mentioned problem that exists among the prior art, the utility model discloses a second aim at provides an aerosol generating device who has the pneumatic trigger device in any one of above-mentioned scheme.

In order to achieve the purpose, the utility model adopts the technical proposal that: there is provided an aerosol generating device comprising the pneumatic triggering device provided in any of the above aspects.

the embodiment of the utility model provides an in pneumatic trigger device and aerosol generating device is used for placing electronic components's the space of placing through inside setting up of casing to at the inside air guide that has the air flue that sets up of casing, install sound production unit in the air flue, set up electronic components such as sensing unit in the space of placing of casing. Then when using, the air current in the air flue can make sound generating unit produce sound, only needs to produce sound through sensing unit sensing and receiving sound generating unit, and sensing unit alright start work according to sound control aerosol generating device to the realization triggers aerosol generating device work through the air current is automatic. Because the placing space and the air passage are in an isolation state, the condensate generated by the work of the aerosol generating device can be prevented from leaking to the placing space through the air passage, and therefore the condensate is effectively prevented from corroding electronic components in the placing space to cause faults.

the air guide piece is arranged in the shell, an air passage for guiding air to flow is arranged on the air guide piece, and an air inlet for introducing external air into the air passage is arranged on the air guide piece;

a light blocking assembly for unblocking the air inlet when the air passage guides the air flow so that the light can pass through the air inlet; and

the sensing unit is used for receiving the light passing through the air inlet and controlling the aerosol generating device to start to work according to the light;

the light blocking assembly is arranged in the air passage, the sensing unit is arranged in the placing space, and the air passage and the placing space are arranged in an isolated mode.

In one embodiment, the light blocking assembly comprises a light blocking member for blocking the air inlet and a rotating connecting member for rotatably mounting the light blocking member on the air guide member; or, the light blocking assembly comprises a light blocking member for blocking the air inlet and an elastic connecting member for connecting the light blocking member to the air guide member.

In one embodiment, a containing cavity is formed in the air passage, and the light shading piece is rotatably or swingably mounted in the containing cavity.

In one embodiment, the light shielding member is a light shielding plate or a light shielding elastic sheet.

In one embodiment, the central axis of the air inlet is perpendicular to the light shielding plate or the light shielding elastic sheet.

In one embodiment, the sensing unit includes a light sensor and a control board electrically connected to the light sensor, and the light sensor is configured to receive light passing through the air inlet to generate a corresponding light sensing signal.

In one embodiment, the light shielding member is provided with a magnet, and the sensing unit further comprises a magnetoelectric sensor electrically connected with the control board.

In one embodiment, the magnet is a circular or annular magnetic element having an S pole and an N pole, and the magnetoelectric sensor is a magnetic induction switching element capable of sensing a magnetic signal generated by the magnetic element.

In one embodiment, the housing is a non-light-transmitting member, the air guide member is a non-light-transmitting member, and a light-transmitting area for transmitting light to the sensing unit is disposed on the air guide member.

In one embodiment, the air guide member is provided with an air outlet for introducing air in the air passage into an atomizing cavity of the aerosol generating device, and the central axis of the air outlet is perpendicular to the central axis of the air inlet. In one embodiment, the air guide is integrally formed with the housing.

the embodiment of the utility model provides an in pneumatic trigger device and aerosol generating device is used for placing electronic components's the space of placing through inside setting up of casing to at the inside air guide that has the air flue that sets up of casing, will be in the light the unit mount in the air inlet department of air guide, set up electronic components such as sensing unit in the space of placing of casing. When the aerosol generating device is used, the air flow in the air passage can cause the light blocking assembly to change in position so as to remove the shielding of the air inlet, so that light can pass through the air inlet and be recognized and received by the sensing unit, the sensing unit can control the aerosol generating device to start to work according to the received light, and the aerosol generating device is triggered to work automatically through the air flow. Because the placing space and the air passage are in an isolation state, the condensate generated by the work of the aerosol generating device can be prevented from leaking to the placing space through the air passage, and therefore the condensate is effectively prevented from corroding electronic components in the placing space to cause faults.

Drawings

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

Fig. 1 is a schematic structural diagram of a pneumatic triggering device according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an aerosol generating device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a pneumatic triggering device according to a second embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the oscillating member of the pneumatic triggering mechanism shown in FIG. 3;

fig. 5 is a schematic structural diagram of a pneumatic triggering device provided in the third embodiment of the present invention;

fig. 6 is a schematic structural view of an elastic vibrating piece of the pneumatic triggering device shown in fig. 5;

fig. 7 is a schematic structural diagram of a pneumatic triggering device according to a fourth embodiment of the present invention;

FIG. 8 is a schematic view of the shutter of the pneumatic trigger device shown in FIG. 7;

fig. 9 is a schematic structural view of a pneumatic triggering device according to a fifth embodiment of the present invention;

fig. 10 is a schematic view of the structure of a light-shielding member of the pneumatic triggering mechanism shown in fig. 9.

Wherein, in the figures, the respective reference numerals:

1-a shell; 11-placement space;

2-a gas guide; 21-the airway; 22-an air inlet; 23-air outlet; 24-an intake passage; 25-an air outlet channel;

3-a signal generator; 31-an impeller; 32-a magnet; 33-a pendulum; 331-a through hole; 34-elastic vibrating piece; 35-a light barrier assembly; 351-a light-shielding member; 352-rotating connection;

4-a sensing unit; 41-a magnetoelectric sensor; 42-a control panel; 43-a sound sensor; 44-a light sensor;

5-an air guide channel; 6-detecting the chip; 7-supporting the shaft;

8-an atomizer; 9-power supply means.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

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 defined otherwise. The meaning of "plurality" is one or more unless specifically limited otherwise.

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 10 together, a pneumatic trigger device according to an embodiment of the present invention will be described. The embodiment of the utility model provides a pneumatic trigger device is applicable to aerosol generating device, the embodiment of the utility model provides an aerosol generating device generally include atomizer 8 and with 8 electric connection's of atomizer power supply unit 9. When the user sucks to use the aerosol generating device, the pneumatic trigger device triggers the power supply device 9 to work, the power supply device 9 supplies electric energy to the atomizer 8, the atomizer 8 heats and atomizes the aerosol forming substrate stored in the atomizer 8 under the electric drive effect, and the aerosol formed by atomization can be used for the user to suck.

The embodiment of the utility model provides a pneumatic trigger device includes casing 1, air guide 2, signal generator 3 and

sensing unit

4, and 1 inside spaces 11 of placing that are used for placing electronic components that are equipped with of casing, electronic components include but not limited to control panel 42, pneumatic switch etc. electronic components of aerosol generating device. The air guide 2 is arranged inside the shell 1, and the air guide 2 is provided with an air passage 21 for introducing air into an atomizing cavity of the aerosol generating device. The signal generator 3 is disposed in the air duct 21, the sensing unit 4 is disposed in the placing space 11 of the housing 1, and the air duct 21 and the placing space 11 are disposed in an isolated manner. The air passage 21 of the air guide 2 may be arranged on the atomizer 8 or on the power supply device 9, and the air passage 21 of the air guide 2 is communicated with the atomizing cavity of the atomizer 8. When in use, in the process that the air duct 21 introduces air into the atomizing cavity of the aerosol generating device, the introduced air flow can prompt the signal generator 3 to generate a corresponding signal, and the sensing unit 4 can control the aerosol generating device to start according to the received signal when receiving the signal generated by the signal generator 3, so that the aerosol generating device is triggered to start through the pneumatic trigger device. It will be understood that in some embodiments, the air guide 2 and the housing 1 may be integrally formed, and only the air duct 21 needs to be isolated from the placing space 11.

The embodiment of the utility model provides a pneumatic trigger device compares with prior art, is used for placing electronic components's placing space 11 through setting up in casing 1 inside to at the inside air guide 2 that has air flue 21 that sets up of casing 1, set up signal generator 3 in air flue 21, set up sensing unit 4 in casing 1 place space 11. When the aerosol generating device is used, the air flow in the air passage 21 can cause the signal generator 3 to generate a corresponding signal, and the sensing unit 4 can control the aerosol generating device to start to work according to the received signal only by receiving the signal generated by the signal generator 3 through the sensing unit 4, so that the aerosol generating device is automatically triggered to work through the air flow. Because placing space 11 and air flue 21 are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing space 11 through air flue 21 to effectively prevent that the condensate from causing the erosion and causing the trouble to the electronic components in placing space 11.

The first embodiment is as follows:

in this embodiment, the signal generator 3 is a magnetic signal generator capable of generating a magnetic signal, correspondingly, the sensing unit 4 includes a magnetoelectric sensor 41 and a control board 42, the signal generator 3 is disposed in the air passage 21, the magnetoelectric sensor 41 and the control board 42 are both disposed in the placing space 11 of the housing 1, and the magnetoelectric sensor 41 is electrically connected to the control board 42. Like this, the air current in air flue 21 can make signal generator 3 produce magnetic signal, and magnetoelectric sensor 41 can convert magnetic signal into magnetic induction signal when sensing magnetic signal, and control panel 42 then can be according to magnetic induction signal, control aerosol generating device start-up work to the realization triggers aerosol generating device work through the air current is automatic. Under the condition that the air duct 21 is isolated from the placing space 11, the condensate in the air duct 21 is effectively prevented from corroding electronic components such as the magnetoelectric sensor 41 and the control board 42 in the placing space 11.

In one embodiment, please refer to fig. 1 and 2 in combination, in some embodiments, the signal generator 3 includes an impeller 31 rotatably installed in the air passage 21 and a magnet 32 disposed on the impeller 31. In the process of introducing air into the atomizing cavity of the aerosol generating device through the air passage 21, the introduced air flow drives the impeller 31 to rotate, the magnet 32 rotates along with the impeller 31 and is close to or far away from the magnetoelectric sensor 41, the magnetoelectric sensor 41 correspondingly generates a magnetic induction signal, then the magnetoelectric sensor 41 transmits the magnetic induction signal to the control board 42, the control board 42 controls the aerosol generating device to start atomizing work according to the received magnetic induction signal, optionally, the magnetoelectric sensor 41 directly receives the magnetic signal generated by the signal generator 3 and controls the aerosol generating device to start atomizing work according to the received magnetic signal, that is, the magnetoelectric sensor 41 does not need to process the received magnetic signal and convert the received magnetic signal into the magnetic induction signal, for example, the working circuit is directly switched on after the magnetoelectric sensor 41 receives the magnetic signal.

In one embodiment, please refer to fig. 1 and 2 in combination, in some embodiments, a receiving cavity is formed inside the air duct 21, the impeller 31 is rotatably installed in the receiving cavity, and the magnet 32 is a circular or annular magnetic element having an S pole and an N pole. When the air current in air flue 21 flows through the holding chamber, air current drive impeller 31 drives magnet 32 rotatory, and the S utmost point and the N utmost point of magnet 32 are constantly switching, and magnetoelectric sensor 41 then can respond to the magnetic pole change of magnet 32, and magnetoelectric sensor 41 transmits magnetic induction signal for control panel 42 after that, and control panel 42 then controls aerosol generating device according to the magnetic induction signal of receiving and starts atomizing work. In some of these embodiments, the magnetoelectric sensor 41 may be, but is not limited to, a magneto-inductive switching element that may convert a magneto-inductive signal into a pulse signal. It will be appreciated that the magnetically sensitive switch element may be, but is not limited to, a hall element or a magnetic switch, and the air duct 21 may be an air chamber in which the impeller 31 may be received, the impeller 31 being rotatably mounted.

In one embodiment, please refer to fig. 1 in combination, in some embodiments, the accommodating cavity is provided with a supporting shaft 7, and the impeller 31 is rotatably mounted on the supporting shaft 7. The impeller 31 is rotatably mounted on the support shaft 7, so that the impeller 31 is impacted by airflow of the air inlet hole to sensitively rotate, and the stability of the impeller 31 during rotation is enhanced. Referring to fig. 1, in some embodiments, the magnet 32 is a circular structure or an annular structure, and the center or the ring center of the magnet 32 is located on the central axis of the supporting shaft 7, so as to reduce the centrifugal force of the magnet 32 when rotating with the impeller 31, enhance the stability of the magnet 32 rotating with the impeller 31, and enable the magnet 32 to generate stable magnetic induction signals with alternating N poles and S poles when rotating, so as to improve the sensitivity of the magnetoelectric sensor 41 in sensing the magnetic induction signals.

In one embodiment, please refer to fig. 1 and 2 in combination, in some embodiments, the pneumatic triggering device further includes a detecting chip 6 for detecting a rotation rate of the impeller 31 according to a pulse frequency of the pulse signal transmitted by the magnetic induction switching element, the detecting chip 6 is electrically connected to the control board 42, and the control board 42 can control an atomizing power of the aerosol generating device according to the detecting signal transmitted by the detecting chip 6. In this embodiment, by providing the detection chip 6 on the control board 42, which can detect the rotation rate of the impeller 31 according to the pulse frequency of the pulse signal transmitted by the magnetic induction switching element, when the air flows through the accommodating chamber, the air flow drives the impeller 31 to drive the magnet 32 to rotate, the S pole and the N pole of the magnet 32 are constantly switched, and the magnetic induction switching element can induce the magnetic pole change of the magnet 32 and generate a corresponding pulse signal. The higher the rotating speed of the impeller 31 is, the higher the frequency of the pulse signal generated by the induction of the magnetic induction switch element is, the magnetic induction switch element transmits the pulse signal to the detection chip 6, the detection chip 6 can accurately measure the air inflow according to the rotating speed and the number of rotating turns of the impeller 31, the detection chip 6 transmits the detection signal to the control board 42, and the control board 42 correspondingly controls the atomizing power of the atomizer 8 of the aerosol generating device according to the size of the air inflow so that the air inflow is consistent with the amount of aerosol formed by an atomizing aerosol forming substrate, and a user can obtain good taste when inhaling the aerosol; or the corresponding relation between the impeller rotating speed and the atomizing power is stored in the detection chip 6, the detection chip 6 can directly transmit the atomizing power information at the rotating speed to the control board 42 according to the rotating speed of the impeller 31, and the control board 42 controls the atomizing power of the atomizer 8 of the aerosol generating device according to the atomizing power information; or the control board 42 stores the corresponding relation between the impeller rotating speed and the atomization power, the detection chip 6 transmits the impeller rotating speed information to the control board 42, and the control board 42 controls the atomization power of the atomizer 8 of the aerosol generating device according to the impeller rotating speed information.

In one embodiment, please refer to fig. 1 and 2 in combination, in some embodiments, the air guide 2 is provided with an air inlet 22 for introducing external air into the air duct 21, the air guide 2 is provided with an air outlet 23 for introducing air in the air duct 21 into the atomizing chamber of the aerosol generating device, and a central axis of the air outlet 23 is perpendicular to a central axis of the air inlet 22. In this embodiment, the central axis of the air outlet 23 is perpendicular to the central axis of the air inlet 22, that is, the plane of the air outlet 23 is perpendicular to the plane of the air inlet 22, which is beneficial to reducing the flow loss of the air flow, increasing the air pressure, and improving the rotation sensitivity and the rotation efficiency of the impeller 31. In order to facilitate the introduction of air from the outside of the housing 1 into the accommodating chamber, an air inlet passage 24 is provided in the air guide 2 to communicate the air inlet 22 with the accommodating chamber. In order to facilitate the communication with the air guide channel 5 of the aerosol generating device and to facilitate the collection of the air in the accommodating cavity into the air guide channel 5, an air outlet channel 25 communicating the air outlet 23 with the accommodating cavity is provided on the air guide 2.

Compared with the prior art, the pneumatic triggering device provided by the embodiment has the advantages that the placing space 11 for placing the electronic components is arranged in the shell 1, the air guide piece 2 with the air channel 21 is arranged in the shell 1, the impeller 31 provided with the magnet 32 is rotatably arranged in the air channel 21, and the electronic components such as the magnetoelectric sensor 41 and the control board 42 are arranged in the placing space 11 of the shell 1. When the aerosol generating device is used, the air flow in the air passage 21 can cause the impeller 31 to drive the magnet 32 to rotate, and the aerosol generating device can be controlled to start to work only by receiving a magnetic signal generated by the magnet 32 through the magnetoelectric sensor 41, so that the aerosol generating device is automatically triggered to work through the air flow. Because placing space 11 and air flue 21 are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing space 11 through air flue 21 to effectively prevent that the condensate from causing the erosion and arousing the trouble to electronic components in placing space 11.

The second embodiment:

referring to fig. 3, the main difference between the first embodiment and the second embodiment is that the signal generator 3 includes a swinging member 33 swinging in the air duct 21 and a magnet 32 disposed on the swinging member 33, and the swinging member 33 is pivotally installed in the accommodating cavity of the air duct 21. When the air flow in the air duct 21 flows through the accommodating cavity, the air flow drives the swinging member 33 to swing, when the magnet 32 swings along with the swinging member 33, the S pole and the N pole of the magnet 32 are continuously switched, the magnetoelectric sensor 41 can sense the change of the magnetic pole of the magnet 32, or when the magnet 32 swings along with the swinging member 33, the magnet 32 continuously changes the strength of the magnetic field at the position of the magnetoelectric sensor 41, the magnetoelectric sensor can sense the strength change of the magnetic field of the magnet 32, then the magnetoelectric sensor 41 transmits the magnetic induction signal to the control board 42, the control board 42 controls the aerosol generating device to start atomization according to the received magnetic induction signal, optionally, the magnetoelectric sensor 41 directly receives the magnetic signal generated by the signal generator 3 and controls the aerosol generating device to start atomization according to the received magnetic signal, that is that the magnetoelectric sensor 41 does not need to process and convert the received magnetic signal into the magnetic induction signal, for example, the magnetoelectric sensor 41 directly switches on a working circuit after receiving the magnetic signal.

In one embodiment, please refer to fig. 4 in combination, in some embodiments, the swinging member 33 includes, but is not limited to, a swinging rod, a pendulum, or a swinging piece. In order to facilitate air circulation and avoid the air circulation in the air duct 21 from being obstructed by the swinging member 33, the swinging member 33 is provided with a through hole 331 through which the air flow can pass. In one embodiment, the swinging member 33 is provided with a plurality of through holes 331, preferably, the through holes 331 are arranged in a matrix form, and the through holes 331 penetrate through the air duct 21 along the flowing direction of the air, so that the smoothness of air circulation in the air duct 21 can be enhanced, and the swinging stability of the swinging member 33 can be enhanced.

Compared with the prior art, the pneumatic triggering device provided in this embodiment has the advantages that the housing 1 is provided with the placing space 11 for placing the electronic components, the air guide 2 with the air passage 21 is arranged in the housing 1, the swing piece 33 provided with the magnet 32 is arranged in the air passage 21 in a swinging manner, and the electronic components such as the magnetoelectric sensor 41 and the control board 42 are arranged in the placing space 11 of the housing 1. When the aerosol generating device is used, the air flow in the air passage 21 can cause the swinging piece 33 to drive the magnet 32 to swing, and the aerosol generating device can be controlled to start to work only by receiving a magnetic signal generated by the magnet 32 through the magnetoelectric sensor 41, so that the aerosol generating device can be automatically triggered to work through the air flow. Because placing space 11 and air flue 21 are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing space 11 through air flue 21 to effectively prevent that the condensate from causing the erosion and arousing the trouble to electronic components in placing space 11.

Example three:

referring to fig. 5, the main difference between this embodiment and the first and second embodiments is that the signal generator 3 is a sound generating unit, and the sound generating unit can be, but is not limited to, an acoustic signal generator or a vibration sound generating element. Correspondingly, the sensing unit 4 includes a sound sensor 43 and a control board 42 electrically connected to the sound sensor 43, wherein the sound sensor 43 is used for receiving the sound generated by the sound generating unit to generate a corresponding sound signal. When the air in the air passage 21 flows, the sound generating unit can generate sound, the sound sensor 43 can recognize the sound generated by the sound generating unit, the sound sensor 43 receives the sound generated by the sound generating unit to generate a corresponding sound signal, then the sound sensor 43 transmits the sound signal to the control board 42, the control board 42 controls the aerosol generating device to start atomization according to the received sound signal, optionally, the sound sensor 43 directly receives the sound generated by the sound generating unit and controls the aerosol generating device to start atomization according to the received sound, namely, the sound sensor 43 does not need to process the received sound and generate the sound signal, for example, the sound sensor 43 directly switches on a working circuit after receiving the sound generated by the generating unit.

In one embodiment, please refer to fig. 5 and fig. 6 in combination, in some embodiments, the sound generating unit is a vibration sound generating device, the vibration sound generating device includes a plurality of elastic vibrating reeds 34 disposed in the air duct 21, the plurality of elastic vibrating reeds 34 are disposed at intervals along the air flowing direction, and the distance between two adjacent elastic vibrating reeds 34 is equal. When the air in the air passage 21 flows, the air flow causes the elastic vibrating reed 34 to vibrate and generate sound, the sound sensor 43 senses the sound and recognizes the user's suction, and the control board 42 controls the aerosol generating device to automatically start the atomization according to the sound signal transmitted by the sound sensor 43. In one embodiment, please refer to fig. 5 in combination, in some embodiments, in order to enhance the smoothness of the air flow in the air duct 21 and the sensitivity of the elastic vibrating reed 34 triggered by the air flow, an included angle between the elastic vibrating reed 34 and the inner sidewall of the air duct 21 is 15 ° to 45 °, or an inclination angle of the elastic vibrating reed 34 is set to 15 ° to 45 °.

In one embodiment, in some embodiments, the pneumatic triggering device further includes a detection chip 6 for detecting the air flow rate according to the strength of the acoustic signal sensed by the acoustic sensor 43, the detection chip 6 is electrically connected to the control board 42, and the control board 42 can control the atomization power of the aerosol generating device according to the detection signal transmitted by the detection chip 6.

Compared with the prior art, the pneumatic triggering device provided by the embodiment has the advantages that the placing space 11 for placing the electronic components is arranged inside the shell 1, the air guide piece 2 with the air channel 21 is arranged inside the shell 1, the sound generating unit is installed in the air channel 21, and the electronic components such as the sound sensor 43 and the control board 42 are arranged in the placing space 11 of the shell 1. When in use, the air flow in the air passage 21 can prompt the sound generating unit to generate sound, and the sound sensor 43 can receive the sound generated by the sound generating unit to control the aerosol generating device to start, so that the aerosol generating device is automatically triggered to work through the air flow. Because placing space 11 and air flue 21 are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing space 11 through air flue 21 to effectively prevent that the condensate from causing the erosion and causing the trouble to the electronic components in placing space 11.

Example four:

referring to fig. 7, the main difference between this embodiment and the first, second and third embodiments is that an air inlet 22 for introducing external air into the air duct 21 is disposed on the air guide 2, and a light blocking assembly 35 capable of shielding the air inlet 22 to block light from passing through the air inlet 22 is disposed at the air inlet 22 and/or in the air duct 21. Correspondingly, the sensing unit 4 includes a light sensor 44 and a control board 42 electrically connected to the light sensor 44, the light sensor 44 being configured to receive light through the air inlet 22 to generate a corresponding light sensing signal. When air flows in the air duct 21, the air flow can cause the light blocking component 35 to change in position to unblock the air inlet 22, so that light can pass through the air inlet 22 and be received by the light sensor 44, the light sensor 44 can recognize and receive the light passing through the air inlet 22 to generate a corresponding light sensing signal, then the light sensor 44 transmits the light sensing signal to the control board 42, the control board 42 controls the aerosol generating device to start atomization according to the received light sensing signal, optionally, the light sensor 44 directly receives the light passing through the air inlet 22 and controls the aerosol generating device to start atomization according to the received light, that is, the light sensor 44 does not need to process the received light and generate the light sensing signal, for example, the light sensor 44 directly turns on a working circuit after receiving the light.

In one embodiment, please refer to fig. 7 and 8 in combination, in some embodiments, the light blocking assembly 35 includes a light blocking member 351 for blocking the air inlet 22 and a rotating connecting member 352 for rotatably mounting the light blocking member 351 on the air guide 2. The rotation connector 352 may be a rotating shaft, a hinge, or the like that rotatably mounts the light blocking member 351 to the air guide 2. In some embodiments, the light blocking assembly 35 includes a light blocking member 351 for blocking the air inlet 22 and an elastic coupling member for coupling the light blocking member 351 to the air guide member 2. The elastic connecting member may be, but is not limited to, a plastic sheet, a metal sheet, or an elastic member such as a spring. The light shielding member 351 is a light shielding plate or a light shielding elastic sheet, the light shielding member 351 is rotatably or swingably mounted in the accommodating cavity, and the central axis of the air inlet 22 is perpendicular to the light shielding plate or the light shielding elastic sheet. When air in the air passage 21 flows, the air flow can cause the light shading plate or the light shading elastic sheet to rotate or swing, light can enter the accommodating cavity through the air inlet 22 and can be identified by the light sensor 44, the light sensor 44 senses the light passing through the air inlet 22 to generate corresponding light sensing signals, the control board 42 detects that a user generates suction according to the light sensing signals, and the aerosol generating device is controlled to automatically start atomization. It should be noted that, in order to ensure the accuracy and sensitivity of the detection, the air guide 2 and/or the housing 1 is a non-light-transmitting member made of a non-light-transmitting material, and the air guide 2 is provided with a light-transmitting region for transmitting light to the sensing unit 4. It is to be understood that the light-transmitting region may be a region defined by a light-transmitting hole provided in the air guide 2, and the light-transmitting region may also be a region defined by a light-transmitting portion formed on the air guide 2 using a light-transmitting material.

Compared with the prior art, the pneumatic triggering device provided by the embodiment has the advantages that the placing space 11 for placing the electronic components is arranged inside the shell 1, the air guide piece 2 with the air channel 21 is arranged inside the shell 1, the light blocking component 35 is installed at the air inlet 22 of the air guide piece 2, and the electronic components such as the optical sensor 44 and the control board 42 are arranged in the placing space 11 of the shell 1. In use, the airflow in the air duct 21 can cause the light blocking component 35 to change its position to release the shielding of the air inlet 22, so that light can pass through the air inlet 22 and be received by the light sensor 44, and the light sensor 44 can control the aerosol generating device to start to operate only when receiving the light, thereby realizing the automatic triggering of the aerosol generating device to operate through the airflow. Because placing space 11 and air flue 21 are in the isolated state, can avoid the condensate that aerosol generating device work produced to reveal to placing space 11 through air flue 21 to effectively prevent that the condensate from causing the erosion and arousing the trouble to electronic components in placing space 11.

Example five:

referring to fig. 9 and 10, the main difference between the embodiment and the fourth embodiment is that the light shielding member 351 is provided with the magnet 32, or the light shielding member 351 is a magnetic member made of a magnetic material, correspondingly, the sensing unit 4 includes not only the optical sensor 44 and the control board 42 electrically connected to the optical sensor 44, but also the magnetic sensor 41 electrically connected to the control board 42, the magnet 32 is a circular or annular magnetic element having an S pole and an N pole, and the magnetic sensor 41 is a magnetic switch element capable of sensing a magnetic signal generated by the magnetic element. When the air in the air passage 21 flows, the airflow can cause the light shielding member 351 to rotate or swing, light can enter the accommodating cavity through the air inlet 22, the optical sensor 44 of the sensing unit 4 can identify and detect an optical signal, the magnetoelectric sensor 41 of the sensing unit 4 can also detect a magnetic signal, the control board 42 can detect that the user generates a suction action according to one or two signals of the optical sensing signal and the magnetic sensing signal, and the aerosol generating device is controlled to automatically start atomization.

Referring to fig. 2, an embodiment of the present invention further provides an aerosol generating device, which includes the pneumatic triggering device provided in any of the above embodiments. Since the aerosol generating device has all the technical features of the pneumatic triggering device provided in any of the above embodiments, it has the same technical effects as the pneumatic triggering device described above.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pneumatic triggering mechanism, comprising:

the air guide piece is arranged inside the shell, and an air passage for introducing air is arranged on the air guide piece;

a signal generator for generating a corresponding signal when air is introduced into the airway; and

2. The pneumatic trigger apparatus of claim 1, wherein the signal generator is a magnetic signal generator, and the sensing unit comprises a magnetoelectric sensor and a control board electrically connected to the magnetoelectric sensor.

3. The pneumatic trigger apparatus of claim 2, wherein the magnetic signal generator comprises an impeller rotatably mounted in the air passage and a magnet disposed on the impeller.

4. The pneumatic trigger device of claim 3, wherein the magnet is a circular or annular magnetic element having an S-pole and an N-pole.

5. The pneumatic triggering device as recited in claim 2, wherein said magnetoelectric sensor is a magneto-inductive switching element that converts a magneto-inductive signal into a pulse signal.

6. The pneumatic trigger device according to claim 5, wherein the magnetic signal generator comprises an impeller rotatably mounted in the air guide member and a magnet disposed on the impeller, the pneumatic trigger device further comprises a detection chip for detecting a rotation rate of the impeller according to a pulse frequency of the pulse signal transmitted from the magnetic induction switching element, the detection chip is electrically connected to the control board, and the control board can control the atomization power of the aerosol generating device according to the detection signal transmitted from the detection chip.

7. The pneumatic triggering device according to claim 2, wherein the magnetic signal generator includes an oscillating member that is oscillatably disposed in the air passage and a magnet that is disposed on the oscillating member.

8. The pneumatic triggering mechanism of claim 7, wherein the oscillating member is provided with a through hole through which an air flow passes.

9. A pneumatic trigger device according to any one of claims 1 to 8, wherein an air inlet for introducing external air into the air duct is provided on the air guide, an air outlet for introducing air in the air duct into the atomizing chamber of the aerosol generating device is provided on the air guide, and the central axis of the air outlet is perpendicular to the central axis of the air inlet.

10. An aerosol generating device comprising a pneumatic trigger device according to any of claims 1 to 9.