CN218831966U - Electronic cigarette - Google Patents

Abstract

The utility model provides an electronic cigarette. The electronic cigarette comprises an air passage, a resistance-type pressure sensor and an atomizer, wherein the resistance-type pressure sensor is arranged in the air passage, and the atomizer is communicated with the air passage; the resistive pressure sensor has a sensing panel configured to be deformable to deform when subjected to airflow pressure within the airway, thereby causing the resistive pressure sensor to generate an electrical signal.

Description

Electronic cigarette

Technical Field

The utility model relates to an electron cigarette field especially relates to an electron cigarette.

Background

The electronic cigarette is a consumer electronic product, a circuit board in the electronic cigarette is loaded with electronic elements such as a precise control chip, a capacitive microphone and the like, and the electronic cigarette has the working principle that when airflow passes through, airflow pressure triggers the capacitive microphone to respond, then a control circuit is triggered, and then an atomizer starts to work to heat tobacco tar so as to generate smoke; when stopping breathing in, the air current in the air flue disappears, and capacitanc miaow head switch closes, and control circuit's control module stop work, atomizer stop work then. The inventor finds that the structure design is complex and the material cost is high when the capacitance microphone is used; in addition, the capacitive microphone is easily polluted by tobacco tar, so that the electronic cigarette is triggered by mistake to work, and the risk of spontaneous combustion is caused; and the existing electronic cigarette cannot sense the inhalation size of a user when in use, so that the smoke volume cannot be automatically adjusted according to the behavior of the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electron cigarette that material cost is lower.

Another object of the utility model is to provide an electron cigarette that can adjust the size of smog volume automatically according to user's action.

The utility model discloses a another purpose is to alleviate the capacitive microphone switch's that the tobacco tar remained and leads to spurious triggering in long-term use, improves the result of use and the security of electron cigarette.

Particularly, the utility model provides an electronic cigarette, which comprises an air passage part, a resistance type pressure sensor arranged in the air passage part and an atomizer communicated with the air passage part, wherein the resistance type pressure sensor is used for adjusting the opening and closing of the atomizer and the smoke amount;

the resistive pressure sensor has a sensing panel configured to be deformable to deform when subjected to the pressure of the gas flow within the airway, thereby causing the resistive pressure sensor to generate an electrical output signal that varies in resistance.

Further, the pressure sensor is provided at the air passage portion.

Further, still include with air duct portion intercommunication's air inlet portion, pressure sensor locates air inlet portion.

Further, at least two air inlet hole portions are arranged, the air inlet hole portions extend inwards to the same position to be communicated with the air passage portion, and the pressure sensor is arranged at the intersection of the air inlet hole portions and the air passage portion.

Furthermore, the number of the air inlet hole parts is two, and the two air inlet hole parts and the air passage part are connected in a Y shape.

Further, the aperture of the air passage part is smaller than that of the air inlet hole part, and the pressure sensor is arranged at the communication position of the air passage part and the air inlet hole part.

Further, the air duct portion and the air inlet hole portion each have a serpentine shape.

Further, the inner wall of the air passage part is provided with a bulge, and the pressure sensor is arranged at the bulge.

Further, the resistive pressure sensor includes a one-piece electrode contact type pressure sensor and an electrode spacer type pressure sensor.

The utility model discloses in, thereby pressure sensor's the air current of flowing through can act on pressure sensor and produce signal of telecommunication and send to the atomizer, because pressure sensor can the perception air current strong and weak, and then sends corresponding signal of telecommunication to the atomizer according to the strong and weak of air current and makes the atomizer carry out corresponding power, so can realize adjusting the size of cigarette volume automatically according to user's action, improve the interactive use experience of electron cigarette.

Further, the utility model discloses in, pressure sensor is resistance-type pressure sensor, and consequently the cost is lower, and resistance-type pressure sensor compares in present generally used capacitanc miaow head anti-soil performance stronger, can alleviate the long-term in-process tobacco tar and remain the spurious triggering of the capacitanc miaow head switch that leads to, improves the result of use and the security of electron cigarette.

Further, the utility model discloses in, the concrete shape of air flue is provided with the multiple to increase the effect of air current to pressure sensor, promote the strong and weak ability of pressure sensor perception air current.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

figure 1 is a schematic perspective view of an electronic cigarette according to one embodiment of the present invention;

figure 2 is a schematic cross-sectional view of a portion of the electronic cigarette of figure 1 with the pressure sensor parallel to the airway portion;

figure 3 is a schematic cross-sectional view of a portion of the electronic cigarette of figure 1 with the pressure sensor tilted with respect to the airway portion;

figure 4 is a schematic cross-sectional view of a portion of the electronic cigarette shown in figure 1, wherein the air duct portion is connected to the air inlet portion in a Y-shape;

figure 5 is a schematic cross-sectional view of a portion of the electronic cigarette shown in figure 1, wherein the air duct portion and the air inlet hole portion have different apertures;

figure 6 is a schematic cross-sectional view of a portion of the electronic cigarette shown in figure 1, wherein the air duct portion and the air inlet aperture portion are each serpentine;

in the figure:

1-a first housing;

11-an airway portion;

12-an atomizer;

13-a suction nozzle;

2-a second housing;

21-a circuit board;

22-a breathing lamp;

23-a battery;

24-charging port.

25-an air inlet portion;

26-an air inlet hole;

3-pressure sensor.

Detailed Description

Fig. 1 is a schematic perspective view of an electronic cigarette that automatically adjusts the amount of smoke according to one embodiment of the present invention. Fig. 2 is a schematic diagram of the detection principle of the pressure sensor 3 of the electronic cigarette for automatically adjusting the amount of smoke shown in fig. 1. The electronic cigarette comprises an air flue part 11, a resistance type pressure sensor 3 arranged in the air flue part 11 and an atomizer 12 communicated with the air flue part 11, wherein the resistance type pressure sensor 3 (used for adjusting the opening and closing of the atomizer 12 and the amount of smoke; the resistance type pressure sensor 3 is provided with a sensing panel, and the sensing panel is deformable and deforms when receiving the air flow pressure in the air flue, so that the resistance type pressure sensor 3 generates an electric signal.

According to an embodiment of the present invention, the electronic cigarette specifically includes a housing, a suction nozzle 13, an atomizer 12, a pressure sensor 3, and a power control module, the housing has an air passage portion 11 defining an air passage and an air inlet hole portion 25 communicating with the air passage, the suction nozzle 13 communicates with the air passage; the power control module is connected with the atomizer 12 and the pressure sensor 3, the pressure sensor 3 is arranged in the air passage part 11, so that air flow flowing through the pressure sensor 3 vertically acts on the pressure sensor 3, the pressure sensor 3 generates an electric signal, and the atomizer 12 executes working power matched with the electric signal. In this embodiment, thereby the air current vertical action of pressure sensor 3 that flows through produces signal of telecommunication and sends to atomizer 12 to pressure sensor 3, because pressure sensor 3 can the perception air current strong and weak, and then sends corresponding signal of telecommunication to atomizer 12 according to the strong and weak of air current and makes atomizer 12 carry out corresponding power, so can realize adjusting the size of smog volume according to user's action automatically, improve the interactive use of electron cigarette and experience.

According to an embodiment of the present invention, the pressure sensor 3 is provided in the air passage portion 11. Specifically, the air duct portion 11 is disposed along the extending direction of the electronic cigarette, and the pressure sensor 3 needs to receive the air flow to generate a corresponding electrical signal, so the pressure sensor may be disposed in the air duct portion 11 near the air inlet portion 25, in the air duct portion 11 near the suction nozzle, or in the middle position of the air duct portion 11, as shown in fig. 3, the installation angle of the pressure sensor 3 may be various.

In still another embodiment, the pressure sensor 3 is provided at the air intake hole portion 25. Specifically, the air inlet portion 25 is arranged perpendicular or oblique to the extending direction of the electronic cigarette, and the pressure sensor 3 needs to receive the air flow to generate a corresponding electric signal, so that the pressure sensor may be arranged in the air inlet portion 25 near the air inlet duct portion 11, in the air inlet portion 25 near the air inlet hole, or in the middle of the air inlet portion 25.

Fig. 4 is a schematic cross-sectional view of a part of the electronic cigarette shown in fig. 1. According to the utility model discloses an embodiment, inlet hole portion 25 is equipped with two, and two inlet hole portions 25 all inwards extend to same position with intercommunication air flue portion 11, and pressure sensor 3 locates the junction of two inlet hole portions 25 and air flue portion 11, is the Y-shaped connection between two inlet hole portions 25 and one air flue portion 11 promptly. In further embodiments, the number of the air inlet hole portions 25 may be three, four, or the like, and the ends of the air inlet hole portions 25 all meet at the same position, and communicate with the air passage portion 11 at the position.

Fig. 5 is a schematic cross-sectional view of a part of the electronic cigarette shown in fig. 1. According to an embodiment of the present invention, the transition between the air passage portion 11 and the air inlet portion 25 is gentle, the whole air passage is arc-shaped, the aperture of the air passage portion 11 is smaller than the aperture of the air inlet portion 25, and the pressure sensor 3 is disposed at the communication position of the air passage portion 11 and the air inlet portion 25. In this embodiment, when the air in the air hole portion 25 flows into the air passage portion 11, the cross-sectional area is reduced, so that the speed of the air flow at that position is increased, and the impact effect of the air flow on the pressure sensor 3 is better. In the present embodiment, the aperture of the air duct portion 11 and the aperture of the air intake hole portion 25 are uniform. In other embodiments, the aperture of the air inlet hole portion 25 may be tapered, and the narrowest portion of the end of the air inlet hole portion 25 still has a larger aperture than the largest aperture of the air passage portion 11.

Fig. 6 is a schematic cross-sectional view of a part of the electronic cigarette shown in fig. 1. According to an embodiment of the present invention, the air passage portion 11 and the air inlet hole portion 25 are both serpentine. Specifically, the serpentine shape refers to a shape having a plurality of S-shaped curves, and the air duct portion 11 and the air inlet hole portion 25 of this shape accommodate a larger volume of air flow, so that the impact effect of the air flow on the pressure sensor 3 is better.

According to the utility model discloses an embodiment, the inner wall of air flue is equipped with the arch, and pressure sensor locates the bellying, and the bellying cross sectional area of air flue inner wall reduces, leads to the air velocity increase of this department, and the air current is better to pressure sensor 3's impact effect.

According to an embodiment of the present invention, the pressure sensor 3 may be any one of the flexible resistance type pressure sensors 3, such as a resistance strain type pressure sensor 3, a piezoresistive type pressure sensor 3, a gas sensitive resistance sensor 3, a humidity sensitive resistance sensor 3, and the like. The specific structure of the pressure sensor 3 includes a sensor with a double-layer film structure, a sensor directly made of flexible pressure-sensitive material, a bridge sensor, a strain gauge and the like, and an electric signal of the pressure sensor 3 can be used as a starting signal of the atomizer 12. The pressure sensor 3 may also be a single-film sensor. The sensor with the single-layer film is an electrode contact type pressure sensor and comprises a flexible pressure sensitive layer and an electrode layer, wherein the flexible pressure sensitive layer is in contact with the electrode layer, and the pressure sensitive layer deforms to generate a signal output with resistance change after being subjected to airflow pressure. The sensor with the double-layer membrane structure is an electrode spacing type pressure sensor and comprises a flexible pressure sensitive layer and an electrode layer, a spacing layer is arranged between the flexible pressure sensitive layer and the electrode layer, and after being subjected to airflow pressure, the pressure sensitive layer deforms and contacts with the electrode layer to generate signal output of resistance change.

According to an embodiment of the present invention, the housing comprises a first housing 1 and a second housing 2 detachably connected, and specifically, the first housing 1 and the second housing 2 are connected by a connection structure, which may be a mortise and tenon structure, a thread structure, a magnetic connection structure, or any other connection structure known to those skilled in the art. The above-mentioned suction nozzle 13, the atomizer 12 may be distributed in the first housing 1, the pressure sensor 3 may be distributed in the second housing 2, and the pressure sensor 3 and the atomizer 12 are electrically connected to each other via a connecting member. Taking the mortise and tenon joint structure as an example, the mortise and tenon joint structure is a structure that can peg graft, including tenon portion and mortise portion, generally, the bulge is called the tenon, and the mortise is called to the part of concave yield, and first casing 1's end (also the one end that first casing 1 connects second casing 2) is equipped with tenon portion in this embodiment, and second casing 2's front end (also the one end that first casing 1 is connected to second casing 2) is equipped with mortise portion, and tenon portion and mortise portion peg graft to the dismantlement formula is connected between first casing 1 and the second casing 2. The front end of the second casing 2 is provided with a contact which is connected with the pressure sensor 3 in the second casing 2, the tail end of the first casing 1 is provided with a connecting seat which is connected with the atomizer 12, and when the first casing 1 is connected with the second casing 2, the contact touches the connecting seat to realize electric connection.

According to an embodiment of the present invention, the suction nozzles 13 are distributed in the first housing 1. Specifically, the first housing 1 may be a cylindrical housing with an oval cross-sectional shape, the suction nozzle 13 is an outlet defined by narrowing a front end of the cylindrical housing (i.e., an end of the first housing 1 not connected to the second housing 2), and a pipeline communicating with the suction nozzle 13 is further distributed in the first housing 1, for convenience of description below, the pipeline communicating with the suction nozzle 13 is named as an air passage portion 11, and a terminal end (an end away from the suction nozzle 13) of the air passage portion 11 is open, i.e., the terminal end of the air passage portion 11 is provided with an opening of the air passage portion 11. The air inlet holes 26 are distributed in the second housing 2, specifically, the second housing 2 may be a cylindrical housing with an oval cross-sectional shape, the air inlet holes 26 are opened on a side surface of the cylindrical housing, and a pipe communicated with the air inlet holes 26 is further distributed in the second housing 2, for convenience of description, the pipe communicated with the air inlet holes 26 is named as an air inlet hole portion 25, a terminal end (an end far away from the air inlet holes 26) of the air inlet hole portion 25 is open, that is, the terminal end of the air inlet hole portion 25 is provided with an air inlet hole portion 25 opening, the air inlet hole portion 25 opening is perpendicular to a main body of the air inlet hole portion 25, and the main body of the air inlet hole portion 25 is arranged along a radial direction of the second housing 2, that is, the main body of the air inlet hole portion 25 and the air duct portion 11 are perpendicular. When the first housing 1 and the second housing 2 are connected, the opening of the air passage portion 11 and the opening of the air inlet hole portion 25 can be communicated, so that when the suction nozzle 13 is partially under negative pressure, air can enter the air inlet hole portion 25 and the air passage portion 11 from the air inlet hole 26.

According to an embodiment of the present invention, the atomizer 12 is arranged in the first housing 1. In particular, the atomizer 12 includes a heating element disposed therein for heating and evaporating the volatile carrier, it being understood that the volatile carrier can be a liquid or a tablet and the heating element can be a heating coil. The atomizer 12 further comprises a housing provided with an inlet and an outlet, wherein the inlet communicates with the cartridge chamber and the outlet communicates with the air channel portion 11, wherein the cartridge chamber can be loaded with a volatile carrier for evaporation or atomization.

According to an embodiment of the utility model, the cigarette bullet cabin is located one of first casing 1 and is used for saving cigarette bullet volatile substance cabin body, generally, contains nicotine or other volatile substance in the cigarette bullet volatile substance, and the cigarette bullet volatile substance seals in an anticorrosive recess that just seals strong, or the cigarette bullet volatile substance is held in the recess that seals strong, and this recess passes through the atomizer 12 of pipeline intercommunication, provides the volatile substance for atomizer 12, and this recess is located first casing 1, and at least part is injectd by the end of suction nozzle 13 and first casing 1 and is formed.

According to the utility model discloses an embodiment, pressure sensor 3 still connects a circuit board 21 through a wire, is equipped with the treater on this circuit board 21, thereby this treater passes through circuit board 21 and the change of the signal of telecommunication (specifically resistance signal) that pressure sensor 3 can be acquireed to pressure sensor 3 is connected to the wire electricity. The processor is also electrically connected with the atomizer 12 through the circuit board 21, the contact and the connecting seat, so that the processor can make a judgment on whether to start the atomizer 12 after acquiring the electric signal change of the pressure sensor 3, and if so, sends a starting signal to the atomizer 12. In addition, the air current has been improved in the setting of air flue among this embodiment at the inside circulation route of electron cigarette for pressure sensor 3 presents different resistance values when receiving the air current of different intensity, and the rear end is exported according to supporting module, realizes producing different atomization effect to different air current intensity, improves the use experience of electron cigarette. More specifically, the processor has a power control module, the power control module is connected with the atomizer 12 and the pressure sensor, the electric signal generated by the pressure sensor 3 can be sent to the power control module, and then the power control module sends a power control signal to the atomizer 12, so that the atomizer 12 executes the set power.

According to an embodiment of the present invention, the electronic cigarette further comprises a power supply, the power supply specifically adopts the battery 23, and the shape of the battery 23 is defined by the second housing 2, the battery 23 needs to be able to be installed into the second housing 2, therefore, the battery 23 can be in a rectangular shape, and the length, width and height thereof are set by those skilled in the art according to actual needs. The housing has a power supply mounting portion for mounting a power supply, the battery 23 mounting portion includes a rectangular frame shaped to fit the battery 23, the length of the power supply mounting portion is defined by the air inlet hole 26 and the end of the housing, and the atomizer 12 and the pressure sensor 3 are connected to the battery 23. The battery 23 is provided with a charging port 24, the charging port 24 is provided at the end of the housing, and the specific form of the charging port 24 may be a universal serial bus, a DC interface, or the like.

According to an embodiment of the present invention, the electronic cigarette further comprises a breathing light 22. Specifically, the second housing 2 is provided with an opening, the light emitting part of the breathing sound is provided in the opening of the housing, and the breathing lamp 22 is connected to the processor to acquire the light adjusting signal to emit light when receiving the light adjusting signal.

In a further embodiment the housing is one piece, i.e. only one housing is provided. Thus, the air passage, the atomizer 12, the pressure sensor 3, the cigarette capsule, the breathing lamp 22, the power supply, the processor and the circuit board 21 are all arranged in the shell, the suction nozzle 13 is arranged at the first end of the shell, the charging port 24 is arranged at the second end of the shell, and the air inlet 26 is arranged at the middle section of the shell. Because the split type arrangement is cancelled, the processor, the circuit board 21 and the atomizer 12 can be directly connected through a wire.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (9)

1. The electronic cigarette is characterized by comprising an air passage part, a resistance-type pressure sensor and an atomizer, wherein the resistance-type pressure sensor is arranged in the air passage part, and the atomizer is communicated with the air passage part;

the resistive pressure sensor has a sensing panel configured to be deformable to deform when subjected to airflow pressure within the airway portion, thereby causing the resistive pressure sensor to generate an output electrical signal that varies in resistance.

2. The electronic cigarette of claim 1, wherein the pressure sensor is disposed in the air channel portion.

3. The electronic cigarette of claim 1, further comprising an air inlet portion in communication with the air channel portion, the pressure sensor being disposed at the air inlet portion.

4. The electronic cigarette of claim 3, wherein at least two of the air inlet portions are provided, at least two of the air inlet portions each extend inward to a same position to communicate with the air passage portion, and the pressure sensor is provided at a junction of the at least two air inlet portions and the air passage portion.

5. The electronic cigarette of claim 4, wherein the air inlet hole portion is provided in two, and the two air inlet hole portions and the one air passage portion are connected in a Y-shape.

6. The electronic cigarette of claim 3, 4 or 5, wherein the air duct portion has a smaller diameter than the air inlet hole portion, and the pressure sensor is provided at a communication point of the air duct portion and the air inlet hole portion.

7. The electronic cigarette of claim 3, 4 or 5, wherein the air channel portion and the air inlet hole portion are each serpentine shaped.

8. The electronic cigarette of claim 1, wherein the inner wall of the air channel portion is provided with a protrusion, and the pressure sensor is provided at the protrusion.

9. The electronic cigarette of claim 1, wherein the resistive pressure sensor comprises an electrode contact pressure sensor and an electrode spacer pressure sensor.

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