CN216293023U

CN216293023U - Atomizer integrated with air pressure sensor

Info

Publication number: CN216293023U
Application number: CN202122539212.5U
Authority: CN
Inventors: 黄高东; 石秀红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-15
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an atomizer integrated with a barometric sensor, which comprises: the device comprises a shell, wherein an air passage penetrating through the top surface and the bottom surface of the shell, an atomization cavity positioned on the air passage and a circuit board mounting position are arranged in the shell; the circuit board is arranged in a circuit board mounting position at the bottom of the shell; the atomization assembly is arranged in the atomization cavity and is electrically connected with the circuit board; and the air pressure sensor is arranged on the circuit board. According to the utility model, the air pressure sensor is directly arranged in the air passage of the atomizer, and because the air is directly sucked at the top of the atomizer when a user uses the atomizer, the distance from the air passage to the air pressure sensor is greatly shortened, the sensitivity of electronic equipment can be improved, and the length and the thickness of the air pipe can be reduced by integrating the air pressure sensor in the atomizer, so that the manufacturing cost is reduced.

Description

Atomizer integrated with air pressure sensor

Technical Field

The utility model relates to the technical field of electronic cigarettes, in particular to an atomizer integrated with an air pressure sensor.

Background

The electronic cigarette is usually used by atomizing cigarette liquid through an atomizer, and substances such as tar and the like harmful to human bodies are removed when the cigarette liquid is manufactured, so that the harm to human bodies is eliminated. The existing electronic cigarette equipment is formed by fixedly connecting a battery component, a core control component, an atomizer component and an air pressure sensor in sequence. Wherein the atomizer is the pin-connected panel with the tobacco rod is big, and the tobacco rod upper end is equipped with the recess of installation atomizer promptly, and the tank bottom of recess is equipped with the contact, and the atomizer is installed in the recess, and the bottom of atomizer is equipped with corresponding contact, and current atomizer generally only has the atomizing function, and baroceptor and control chip etc. are installed on the tobacco rod. And the air flue distance from the atomizer to the air pressure sensor is longer, the sensitivity of the air pressure sensor is influenced, and the problems that oil stains flow back to the position of the control chip and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides an atomizer integrated with an air pressure sensor, aiming at solving the technical problem that the air passage length of an electronic cigarette influences the sensitivity of the air pressure sensor in the prior art.

The technical scheme adopted by the utility model is as follows:

an air pressure sensor integrated nebulizer, comprising: the device comprises a shell, wherein an air passage penetrating through the top surface and the bottom surface of the shell, an atomization cavity positioned on the air passage and a circuit board mounting position are arranged in the shell; the circuit board is arranged in a circuit board mounting position at the bottom of the shell; the atomization assembly is arranged in the atomization cavity and is electrically connected with the circuit board; and the air pressure sensor is arranged on the circuit board.

Furthermore, the bottom of the shell is provided with a plurality of contacts electrically connected with the circuit board. The circuit board is provided with a plurality of heating wire bonding pads, and the heating wire of the atomization component is welded with the heating wire bonding pads.

Further, the inside cavity of casing forms the cavity that holds the tobacco juice, just be equipped with the inside inner shell that forms the atomizing chamber in the cavity, shell pipe intercommunication is passed through at the top of inner shell the top gas pocket of casing, bottom in the casing is equipped with the polylith baffle, enclose between baffle and the casing bottom inner wall circuit board installation position, circuit board installation position and the bottom gas pocket intercommunication of casing, the bottom of inner shell pierces through the baffle intercommunication through shell pipe circuit board installation position.

The air pressure sensor includes: the second circuit board, install atmospheric pressure response component and atmospheric pressure data processing chip on the circuit board, cover the encloser that atmospheric pressure response component and atmospheric pressure data processing chip cover and be connected with the second circuit board.

Preferably, the air pressure sensing element is any one of a capacitive MEMS sensor, a piezoelectric MEMS sensor, and a piezoresistive capacitive sensor.

Further, the air pressure sensing element is fixed on the circuit board through resin glue.

Furthermore, the cover shell is made of brass nickel plating and is welded on the circuit board by using solder paste.

Compared with the prior art, the air pressure sensor is directly arranged in the air passage of the atomizer, so that the air passage distance from the air pressure sensor to the air passage is greatly shortened when a user directly inhales air at the top of the atomizer during use, the sensitivity of electronic equipment can be improved, and the length and the thickness of the air rod can be reduced by integrating the air pressure sensor in the atomizer. And the air flue in the tobacco rod can be saved or greatly shortened, so that the electronic components in the tobacco rod are prevented from being corroded.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic view of the structure of an air pressure sensor in the embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1, the utility model provides an atomizer integrated with an air pressure sensor, specifically an atomizer of an electronic cigarette, also called a cartridge, which is used in cooperation with a cigarette rod of the electronic cigarette, and a groove for being clamped into the atomizer is arranged at the upper part of the cigarette rod of the electronic cigarette.

The atomizer provided by the utility model specifically comprises: the device comprises a shell 1, a circuit board 3, an atomization assembly 2 and a pneumatic pressure sensor 4. The casing 1 is flat and long, and can be made of transparent material. The inside cavity of casing 1 forms the cavity, and is equipped with the inner shell in the cavity, and the top of inner shell is passed through vertical shell and tube and is connected 1 top inner wall of casing, and the top of casing 1 is equipped with the top gas pocket that corresponds the shell and tube. The cavity is separated through the polylith baffle to the bottom in the casing 1, make enclose into a circuit board installation position 13 that separates with the cavity between baffle and the casing bottom inner wall, and the bottom of casing is equipped with bottom gas pocket and circuit board installation position 13 intercommunication, the bottom of inner shell communicates to the baffle at 13 tops of circuit board installation position through vertical shell and tube, thereby make the top gas pocket and the bottom gas pocket of casing 1 be linked together, form vertical air flue 11, and the air flue passes through inner shell and circuit board installation position 13, be used for installing atomization component 2 in the inner shell, space in the inner shell is as the atomizing chamber 12 of intercommunication air flue promptly. The cavity 14 of the housing is used for containing the tobacco juice, and a tobacco juice pipeline (not shown in the figure) for communicating the cavity and the atomizing assembly is further arranged on the inner wall of the inner housing, so that the tobacco juice can flow into the atomizing assembly from the cavity, the atomizing assembly is in the prior art, the electric heating wire of the atomizing assembly is electrically connected with the circuit board 3, and other structures are not the key points of the utility model and are not described in detail. Be equipped with circuit board 3 in the circuit board installation position 13, circuit board 3 is connected for atomizing component power supply with atomizing component 2 electricity, and baroceptor sets up on the circuit board, is located the air flue, detectable user's the atmospheric pressure of breathing in. According to the electronic cigarette, the air pressure sensor is directly arranged in the air passage of the atomizer, so that air is directly sucked at the top of the atomizer when a user uses the electronic cigarette, the length from the air suction position to the air passage of the air pressure sensor is greatly shortened compared with the length of the air passage of the traditional electronic cigarette, the sensitivity of the air pressure sensor can be improved, and the length and the thickness of the air passage can be reduced by integrating the air pressure sensor in the atomizer.

The bottom of the shell 1 is provided with three contacts 5 which are two power contacts and a signal contact respectively, and the three contacts are electrically connected with the circuit board to ensure that the circuit board can work normally. The front of circuit board is equipped with two heater pads for with atomizing component's heater and heater pad welding, supply power for atomizing component and atomize.

The air pressure sensor specifically includes: the second circuit board, atmospheric pressure sensing element, chip and housing with circuit board paster installation, atmospheric pressure sensing element and the chip of handling the atmospheric pressure data are installed in the front of second circuit board, the housing installation also is at the front of second circuit board and covers atmospheric pressure sensing element and the chip of handling the atmospheric pressure data, be equipped with the suction opening on the housing, be equipped with the inlet port that corresponds atmospheric pressure sensing element on the second circuit board, can pass through atmospheric pressure sensing element when making the user breathe in when the air upwards flows along the air flue. Compared with the traditional air pressure sensor, the air pressure sensor has the advantages that the number of the air suction holes is only one, the hole diameter is small, and the probability of liquid and tobacco tar intrusion is greatly reduced. The housing is made of a brass nickel plating material, can provide good physical protection and electromagnetic interference resistance, and is welded on the second circuit board by using solder paste, so that the air tightness is good. In addition, the dust screen is pasted on the air inlet or the air suction hole and is used for preventing particles from falling into the device through the air inlet to cause system dysfunction.

The chip is fixed on the second circuit board by using silica gel, and the air pressure sensing element is fixed on the second circuit board by using resin adhesive. And the chip realizes electric signal bridging with the air pressure sensing element through a gold wire, provides stable bias voltage for the air pressure sensing element, and processes air pressure data acquired by the air pressure sensing element. Meanwhile, the chip is sealed by epoxy resin (black glue), so that when liquid or smoke drops above the chip, normal use of the sensor is not affected, and the reliability is high.

In this embodiment, the air pressure sensing element is a MEMS silicon smoke sensor (specifically, a capacitive MEMS sensor, a piezoelectric MEMS sensor, or a piezoresistive capacitive sensor). The silicon-based sensing chip is generated by adopting a micron-sized CMOS chip process, has high consistency (a high-precision manufacturing process and uniform and stable bias voltage), small volume (0.95 × 0.5 mm) and high temperature resistance. Compared with the traditional PPS (polyphenylene sulfide) diaphragm, the MEMS silicon smoke sensor has the following remarkable advantages: the temperature drift is small, the temperature compensation algorithm is insensitive to temperature change, and the design of the temperature compensation algorithm is simple; secondly, a bias voltage circuit is designed, and the circuit enables the sensing membrane to be changed into a uniform charged state from a non-charged state, so that the consistency of the sensor is improved; the area of the sensing diaphragm is small, the diameter of the sensing diaphragm is 50um, and the diameter of the traditional diaphragm is 4.5 mm. The smaller the area of the diaphragm is, the smaller the deformation amount of the diaphragm is during vibration, impact and falling, and the bad phenomenon of false triggering can be reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An aerosol pressure sensor integrated nebulizer, comprising: the device comprises a shell, wherein an air passage penetrating through the top surface and the bottom surface of the shell, an atomization cavity positioned on the air passage and a circuit board mounting position are arranged in the shell; the circuit board is arranged in a circuit board mounting position at the bottom in the shell; the atomization assembly is arranged in the atomization cavity and is electrically connected with the circuit board; and the air pressure sensor is arranged on the circuit board.

2. The aerosol sensor-integrated atomizer of claim 1, wherein said bottom portion of said housing has a plurality of contacts electrically connected to a circuit board.

3. The atomizer of claim 1, wherein a plurality of heater pads are disposed on said circuit board, and wherein said heater of said atomizing assembly is soldered to said heater pads.

4. An air pressure sensor integrated nebulizer as claimed in claim 1, wherein said air pressure sensor comprises: the second circuit board, install atmospheric pressure response component and atmospheric pressure data processing chip on the circuit board, cover the encloser that atmospheric pressure response component and atmospheric pressure data processing chip cover and be connected with the second circuit board.

5. The atomizer of claim 1, wherein the interior of said housing is hollow to form a cavity for containing smoke liquid, and an inner housing forming an atomizing cavity is disposed in said cavity, the top of said inner housing is connected to the top air hole of said housing through a shell tube, a plurality of partition plates are disposed at the bottom of said housing, said circuit board mounting locations are enclosed between said partition plates and the inner wall of the bottom of said housing, said circuit board mounting locations are connected to the bottom air hole of said housing, and the bottom of said inner housing is connected to said circuit board mounting locations through a shell tube penetrating partition plate.

6. The aerosol sensor-integrated atomizer of claim 4, wherein said air pressure sensing element is any one of a capacitive MEMS sensor, a piezoelectric MEMS sensor, and a piezoresistive capacitive sensor.

7. The atomizer integrated with a gas pressure sensor according to claim 4, wherein said gas pressure sensitive element is fixed to said circuit board by resin adhesive.

8. The integrated air pressure sensor atomizer according to claim 4, wherein said cover is made of nickel brass plating, and said cover is soldered to said circuit board using solder paste.