CN211153797U

CN211153797U - Electronic cigarette

Info

Publication number: CN211153797U
Application number: CN201921674637.3U
Authority: CN
Inventors: 李斌; 张鸿; 吴林
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd; Kunshan Liantao Electronics Co Ltd
Priority date: 2019-09-26
Filing date: 2019-10-09
Publication date: 2020-08-04
Anticipated expiration: 2029-10-09
Also published as: CN110558623A

Abstract

The embodiment of the utility model discloses electronic cigarette, including shell and the core subassembly of setting in the shell, through setting up the air current auxiliary unit in the core subassembly for the air current auxiliary unit is controlled to the inhaling of airflow channel output auxiliary air current in order to reduce electronic cigarette hinders, and can adjust the concrete demand that electronic cigarette inhaled and hinders according to the user, simultaneously, can reduce the temperature of smog, satisfies different users to inhaling and hinder, smog temperature's requirement, promotes user experience.

Description

Electronic cigarette

This application claims priority from a chinese patent application filed by the chinese intellectual property office on 26/9/2019 under the application number 2019109160827 entitled "an electronic cigarette", the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to an electron cigarette field, concretely relates to electron cigarette convenient to adjust and inhale and hinder.

Background

When ordinary cigarettes are ignited to smoke, a large amount of harmful substances (commonly called tar) can be generated under the condition of high-temperature combustion. The non-combustion electronic cigarette is heated, also called low-temperature cigarette, and the special heating device is utilized to heat the tobacco by the heating medium to generate smoke, so that the release amount of harmful ingredients in the smoke can be reduced.

Conventional electronic cigarettes require a long cooling filter due to the internal air passage arrangement and the high temperature of the smoke generated by heating the tobacco, and generate a large resistance to draw, so that part of users often need to use a large suction force to suck the desired amount of smoke. Moreover, different users have different requirements for the expected smoking resistance of the electronic smoking set, the concentration and temperature of the smoke to be smoked, and the prior art cannot meet different requirements of different users.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides an electronic cigarette can reduce the suction resistance of electronic cigarette, satisfies different users' demand.

The utility model discloses electron cigarette includes the shell and sets up the core assembly in the shell, the core assembly includes:

a heating module connected to the airflow channel within the housing, the heating module configured to heat tobacco or tobacco tar to produce an aerosol;

and the airflow auxiliary unit comprises a piezoelectric ceramic fan and/or a miniature air pump, is at least partially arranged in the airflow channel and is controlled to generate auxiliary airflow flowing towards the airflow channel.

Preferably, the core assembly further comprises:

a sensor module configured to detect an environmental parameter within the airflow channel;

a control circuit connected with the sensor module and configured to control an operating state of the airflow assisting unit.

Preferably, the piezoceramics fan includes at least one vibration unit, the vibration unit includes piezoceramics piece and flabellum, wherein one end of piezoceramics piece passes through support and is connected with shell fixed connection, another opposite end and the flabellum fixed connection.

Preferably, the piezoceramic fan comprises two vibration units which are arranged in parallel, and the vibration phases of the two vibration units are opposite.

Preferably, the bracket comprises a first frame and a second frame, the first frame and the second frame are oppositely arranged, and an air outlet hole is formed in the second frame;

the two vibration units are oppositely arranged, and two ends of each vibration unit are respectively connected with the first frame and the second frame;

the air outlet is opposite to the heating module.

Preferably, the sensor module comprises an airflow sensor configured to detect a flow rate and/or flow of smoke in the airflow channel and to send a first signal to the control circuit;

the control circuit controls the airflow auxiliary unit to adjust the auxiliary airflow according to the first signal.

Preferably, the sensor module comprises a pressure sensor configured to detect the air pressure in the air flow channel and send a second signal to the control and chip;

the control circuit controls the airflow auxiliary unit to adjust the auxiliary airflow according to the second signal.

Preferably, the sensor module further comprises a temperature sensor configured to detect a temperature of smoke in the airflow passage and to send a third signal to the control circuit;

the control circuit is further configured to control the airflow assisting unit to adjust the auxiliary airflow according to the third signal.

Preferably, the electronic cigarette further comprises a human-computer interaction interface connected with the control circuit, and the human-computer interaction interface is configured to send instructions to the control circuit according to the operation of a user so as to adjust the working state of the airflow assisting unit.

Preferably, the housing includes a vent configured to vent the airflow assisting unit to atmosphere.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of an electronic cigarette according to an embodiment of the present invention;

fig. 2 is a front view of a first piezoceramic fan according to an embodiment of the present invention;

fig. 3 is a plan view of a first piezoceramic fan according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a second piezoelectric ceramic fan according to an embodiment of the present invention;

fig. 5 is a schematic view of a third piezoceramic fan according to an embodiment of the present invention in a first state;

fig. 6 is a second state diagram of a third piezoceramic fan according to an embodiment of the present invention.

Description of reference numerals:

1-heating module; 2-an airflow assisting unit; 21-a vibration unit; 211-piezoelectric ceramic plate; 212-fan blades; 22-a scaffold; 23-a first frame; 24-a second frame; 241-air outlet holes; 3-a control circuit; 4-a battery module; 5-a flavouring unit; 6-a housing; 7-tobacco; 8-suction nozzle.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout this specification, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

When an element or layer is referred to as being "on," "engaged to," "connected to" or "coupled to" another element or layer, it may be directly on, engaged, connected or coupled to the other element or layer or intervening elements or layers may be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses technical scheme both can be applied to the non-burning type electron cigarette that heating tobacco produced smog, also can be applied to the steam type electron cigarette that produces smog through heating atomizing tobacco tar. The following description will be given taking a non-combustible heating electronic cigarette as an example.

Fig. 1 is a schematic structural diagram of an electronic cigarette according to an embodiment of the present invention. As shown in fig. 1, the electronic cigarette of the present embodiment includes a housing 6 and a core component disposed in the housing 6, the core component includes a heating module 1, an airflow assisting unit 2, a sensor module (not shown in the figure) and a control circuit 3, and the electronic cigarette further includes a battery module 4.

An air flow channel is further arranged in the housing 6, one end of the air flow channel is configured to be connected with the tobacco 7, the other end of the air flow channel is connected with the suction nozzle 8, the heating module 1 is used for heating the tobacco 7 to generate smoke, and the smoke reaches the suction nozzle 8 through the air flow channel for being inhaled by a user.

The airflow assisting unit 2 is controlled to generate an assisting airflow to reduce the resistance to draw of the electronic cigarette. In the present embodiment, the airflow assisting unit 2 includes a piezo ceramic fan. The auxiliary airflow unit may be disposed at an end of the heating module 1 away from the suction nozzle 8 or an end close to the suction nozzle, or may be disposed in the airflow channel, and those skilled in the art may also dispose a plurality of auxiliary airflow units at different positions in the electronic cigarette.

The outer surface of the housing 6 of the electronic cigarette of this embodiment further comprises a vent to communicate the airflow assisting unit 2 with the outside atmosphere and to provide air for the airflow assisting unit 2 to generate the assisting airflow.

The airflow auxiliary unit 2 can further comprise a micro air pump, an air inlet of the micro air pump is communicated with the outside atmosphere through the shell 6, an air outlet of the micro air pump is connected with the airflow channel, and the micro air pump is controlled to pump outside air into the airflow channel so as to increase the air pressure in the airflow channel, so that the flow rate of smoke is increased, and the adjusting capacity of the airflow auxiliary unit can be further improved.

The miniature air pump is a gas conveying device which has small volume, is provided with a gaseous working medium and is mainly used for multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, air exhaust, inflation, pressurization and the like. The miniature air pump applied to the small electromechanical products is mainly a miniature vacuum pump and has the advantages of small volume, low noise and low power consumption. According to the working principle, the micro vacuum pump can be divided into a diaphragm type, an electromagnetic type, an impeller type, a piston type and the like. The micro diaphragm vacuum pump is used in many applications and is low in price, and preferably, the micro diaphragm vacuum pump is used as the airflow auxiliary unit in the embodiment.

The specific configuration of the airflow assisting unit 2 can be selected by those skilled in the art according to the needs, and the airflow assisting unit 2 may include one of a piezoceramic fan and a miniature air pump, or both of them may be disposed in the electronic cigarette. Of course, other devices (such as a compressed air tank with an electrically controlled valve, etc.) can be selected as required to be used as the whole of the airflow auxiliary unit alone or in combination with the piezoceramic fan and the micro air pump.

Fig. 2-3 are schematic structural diagrams of a first piezoelectric ceramic fan according to an embodiment of the present invention. As shown in fig. 2-3, the piezoceramic fan comprises at least one vibration unit 21, the vibration unit 21 comprises a piezoceramic sheet 211 and fan blades 212, one end of the piezoceramic sheet 211 is fixedly connected with the housing 6 through a bracket 22, and the other end is fixedly connected with the fan blades 212. Piezoelectric ceramics are electronic ceramic materials with piezoelectric properties (including positive piezoelectricity and reverse piezoelectricity), and the reverse piezoelectricity refers to a phenomenon that an alternating electric field is applied to certain dielectrics to cause the mechanical deformation of the dielectrics. The battery module 4 is connected with the piezoelectric ceramic piece 211 through a lead, and a sine alternating electric field is applied to the piezoelectric ceramic piece 211, so that the piezoelectric ceramic piece 211 generates reciprocating mechanical motion, the fan blade 212 connected with one end of the piezoelectric ceramic piece 211 amplifies the mechanical motion, and large bending vibration is generated, and high-speed and stable auxiliary air flow is output forwards from the free end of the fan blade 212. Compared with the traditional rotary blade fan, the piezoelectric ceramic fan has small volume, low noise and long service life, and is suitable for being applied to electronic cigarettes. When the applied voltage frequency is equal to the natural frequency of the piezoceramic sheet 211, the vibration amplitude of the fan blade 212 is maximized and the flow rate of the auxiliary air flow output by the piezoceramic fan is maximized due to the resonance of the two. The output time of the auxiliary air flow can be adjusted by changing the power-on time of the piezoceramic sheet 211, or when the piezoceramic fan has a plurality of vibration units 21, the auxiliary air flow output by the piezoceramic fan can be adjusted by changing the number of the vibration units 21 in operation, so that the flow rate, concentration, temperature and other parameters of the smoke can be adjusted.

When the piezoceramic fan includes a plurality of vibration units 21, the plurality of vibration units 21 may be arranged in parallel. The piezoelectric ceramic plates 211 may be arranged in series or in parallel. When the two adjacent vibration units 21 are arranged in parallel, the distance between the two adjacent vibration units 21 is larger than twice of the amplitude of the free end blade tip of the fan blade 212, so that the blades are prevented from colliding with each other to cause interference when the piezoelectric ceramic fan works.

Fig. 4 is a schematic view of a second piezoceramic fan according to an embodiment of the present invention. In another alternative embodiment, as shown in fig. 4, the piezoceramic fan comprises two vibration units 21, the two vibration units 21 are arranged in parallel, and the two piezoceramic wafers 211 may be connected in series or in parallel. Preferably, when the two vibration units 21 are arranged in parallel, the two vibration units 21 are controlled to vibrate in opposite phases, so that the air convection efficiency can be improved. Specifically, the same wire may be connected to two opposite electrodes of the piezoelectric ceramics.

Fig. 5-6 are schematic diagrams of a third piezoceramic fan according to embodiments of the present invention. In another alternative embodiment, shown in fig. 5-6, a piezo ceramic fan includes a first frame 23, a second frame 24, and two vibration units 21. The first frame 23 and the second frame 24 are oppositely arranged, an air outlet 241 is formed on the second frame 24, and the air outlet 241 is opposite to the heating module 1. Both ends of each vibration unit 21 are connected to the first frame 23 and the second frame 24, respectively, to form an air receiving space. Alternatively, the piezoceramic sheets 211 may be symmetrically disposed at both ends of the fan blade 212. The two vibration units 21 have opposite phases of vibration so that the size of the receiving space can be changed to suck or discharge air to form an auxiliary air flow. As shown in fig. 5, when the vibration unit 21 is bent toward the inside of the accommodating space, the air in the accommodating space is pressed to be blown toward the airflow path through the air outlet 241. As shown in fig. 6, when the vibration unit 21 is bent to the outside of the accommodating space, the accommodating space becomes small, the air pressure in the accommodating space becomes low, and the external air enters the accommodating space through the air outlet 241. Optionally, an air inlet hole may be formed in the first frame, and one-way air valves are respectively disposed on the air inlet hole and the air outlet hole, so that air can only enter the accommodating space through the air inlet hole and be discharged through the air outlet hole, and the working efficiency of the piezoelectric ceramic fan can be improved.

To achieve automatic control of the secondary airflow, the electronic cigarette of this embodiment further comprises a sensor module and a control circuit 3. The sensor module is used for detecting environmental parameters in the airflow channel, the control circuit 3 is respectively connected with the sensor module and the airflow auxiliary unit 2, and the working state of the airflow auxiliary unit 2 is controlled according to various data collected by the sensor module.

In an alternative implementation of this embodiment, the sensor module may include an airflow sensor. The airflow sensor is used for detecting the flow and/or the flow speed of the smoke in the airflow channel and generating a first signal. In particular, the gas flow sensor may be a flow sensor and/or a flow rate sensor adapted to be arranged within the e-cigarette for measuring the flow and/or the flow rate using different principles, such as an ultrasonic gas meter, a laser gas meter, etc. The first signal includes at least one of a flow rate signal and a flow rate signal. The size of the flow velocity signal can reflect the size of the inspiratory effort of the user, the size of the flow signal can reflect the size of the inspiratory capacity of the user, and both the flow velocity signal and the flow signal can reflect the size of the electronic cigarette resistance.

In another embodiment, the sensor module may further include a pressure sensor. The pressure sensor is used for detecting the air pressure in the air flow channel and generating a second signal. The negative pressure in the airflow channel can reflect the inspiration force of the user. Because the external air pressure can change along with factors such as altitude and weather, when the pressure sensor for detecting the air pressure in the air flow channel is an absolute pressure sensor, preferably, a reference pressure sensor can be further arranged for measuring the external air pressure, the accuracy of the measured negative pressure can be improved, and the use requirements of users in different environments are met. Since the first signal generated by the airflow sensor and the second signal generated by the pressure sensor both reflect the strength of the inhalation force of the user, one of the airflow sensor and the pressure sensor can be selected by one skilled in the art.

The control circuit 3 controls the working state of the airflow assisting unit 2 according to the first signal and/or the second signal and a preset control condition. For example, the user preset a desired resistance to draw, the greater the resistance to draw the smoke the greater the required suction force, the desired resistance to draw corresponds to the determined flow rate and pressure drop, when the user's suction force reflected by the first signal and/or the second signal is greater than a preset threshold, it indicates that the current resistance to draw the electronic cigarette is greater than the desired resistance to draw set by the user, the control circuit 3 controls the airflow assisting unit 2 to be powered on to generate the auxiliary airflow, or increases the power of the piezoceramic fan, so as to reduce the resistance to draw the electronic cigarette. Controlling the airflow assisting unit to operate at a constant power when the suction force of the user reflected by the first signal and/or the second signal reaches a preset threshold value. Meanwhile, the control circuit 3 may also determine whether the user is using the electronic cigarette according to the first signal and/or the second signal, so as to start/close the heating module 1 and/or the airflow assisting unit 2. The preset control conditions and the preset threshold may be preset according to a control program, or may be determined according to a selection of a user through a human-computer interaction interface (e.g., a key) provided on the electronic cigarette. The user may also turn off the airflow assisting unit 2 as desired. The user may also send instructions to the control circuit 3 via the human-machine interface to control the output power of the airflow assisting unit.

The utility model discloses sensor module can also include temperature sensor. The temperature sensor is used for detecting the temperature of the smoke in the airflow channel and generating a third signal. The control circuit 3 can control the working state of the airflow assisting unit 2 according to the third signal and the set expected temperature so as to meet the requirement of the user on the temperature of the smoke. Specifically, when the temperature of the smoke is higher than the expected temperature set by the user, the control circuit 3 controls the airflow assisting unit 2 to be powered on to generate the assisting airflow to cool the smoke. The expected temperature can be determined according to the input of a user through a human-computer interaction interface arranged on the electronic cigarette.

Preferably, the electronic cigarette may further include a display screen to display the operating state of the airflow assisting unit 2.

The core component also comprises a seasoning unit 5 which is arranged in the air flow channel and close to the suction nozzle 8, and the seasoning unit 5 comprises seasoning agents which can change the taste of the smoke so as to improve the use experience of users.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electronic cigarette comprising a housing and a core assembly disposed within the housing, the core assembly comprising:

2. The electronic cigarette of claim 1, wherein the core assembly further comprises:

3. The electronic cigarette of claim 1, wherein the piezoceramic fan comprises at least one vibration unit, the vibration unit comprises a piezoceramic sheet and fan blades, one end of the piezoceramic sheet is fixedly connected with the shell through a bracket, and the other opposite end of the piezoceramic sheet is fixedly connected with the fan blades.

4. The electronic cigarette of claim 3, wherein the piezo ceramic fan comprises two vibration units arranged in parallel, the vibration phases of the two vibration units being opposite.

5. The electronic cigarette of claim 3, wherein the bracket comprises a first frame and a second frame, the first frame and the second frame are arranged oppositely, and the second frame is provided with an air outlet;

the air outlet is opposite to the heating module.

6. The electronic cigarette of claim 2, wherein the sensor module comprises an airflow sensor configured to detect a flow rate and/or volume of smoke in the airflow channel and send a first signal to the control circuit;

7. The electronic cigarette of claim 2, wherein the sensor module comprises a pressure sensor configured to detect air pressure within the airflow channel and send a second signal to the control and chip;

8. The electronic cigarette of claim 6 or 7, wherein the sensor module further comprises a temperature sensor configured to detect a temperature of smoke in the airflow channel and send a third signal to the control circuit;

9. The electronic cigarette of claim 2, further comprising a human-machine interface coupled to the control circuit, the human-machine interface configured to send instructions to the control circuit to adjust an operating state of the airflow assisting unit in accordance with a user operation.

10. The electronic cigarette of claim 1, wherein the housing comprises a vent configured to vent the airflow facilitating unit to atmosphere.