CN218605140U - Atmospheric pressure sensor and electron cigarette convenient to dress - Google Patents
Atmospheric pressure sensor and electron cigarette convenient to dress Download PDFInfo
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- CN218605140U CN218605140U CN202220905586.6U CN202220905586U CN218605140U CN 218605140 U CN218605140 U CN 218605140U CN 202220905586 U CN202220905586 U CN 202220905586U CN 218605140 U CN218605140 U CN 218605140U
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Abstract
The utility model discloses a baroceptor and electron cigarette convenient to dress, including columniform shell, dress the circuit board of shell, the bottom surface opening of shell with the circuit board dress, the circuit board be circular and the diameter with the diameter of shell is the same, the bottom side of shell inwards buckles to form the turn-up that the round is used for eating tin. The utility model discloses set the diameter of circuit board to the same with the diameter of shell, can further reduce the volume of sensor, the bottom of shell inwards buckles to form the turn-up that the round is used for eating tin simultaneously, when carrying out subsides dress, the tin cream can concentrate through the guide of turn-up and adsorb between turn-up downside and circuit board, forms the tin circle that the round is located shell and circuit board, can effectively avoid the welding department gas leakage between shell and the circuit board to lead to sealed inefficacy. Meanwhile, the area of the bottom circuit board is reduced, the cost is reduced, and the subsequent installation is facilitated.
Description
Technical Field
The utility model relates to an electron cigarette technical field especially relates to a baroceptor and electron cigarette convenient to paste dress.
Background
Electronic cigarettes are sometimes referred to as electronic nebulizing devices, personal nebulizers (PVs), or Electronic Nicotine Delivery Systems (ENDS). The electronic cigarette is a battery powered device that simulates smoking. It generally uses a heating element that atomizes the liquid solution (e-liquid). Some solutions contain a mixture of nicotine and multiple flavors, while others release a nicotine-free flavored vapor. Many electronic cigarettes are designed to simulate a smoking experience, some of which are made with similar appearances.
The existing electronic cigarette is composed of a battery assembly, a core control assembly, an atomizer assembly and an air pressure sensor, wherein the air pressure sensor is the core assembly for the core control assembly to sense the air suction pressure of a user to control the atomizer assembly to feed back, and the air pressure sensor is provided with a cylindrical cover (or called a shell) which is welded on a circuit board in a fitting manner to cover various air pressure sensing elements on the circuit board. And in order to further reduce the area of the circuit board and reduce the volume of the sensor, the circuit board is designed into a circle with the diameter the same as that of the shell, when the shell is subjected to SMT (surface mount technology) mounting, the shell is easy to deviate from the original mounting position, so that a gap exists between the circuit board and the shell, air leakage occurs, the air tightness of the shell is poor, and the air pressure sensor cannot normally detect the air suction pressure of a user.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem of the easy skew gas leakage when shell and circuit board subsides dress among the above-mentioned prior art, provide a baroceptor and electron cigarette convenient to dress.
The utility model adopts the technical proposal that:
the utility model provides a baroceptor and electron cigarette convenient to dress, including columniform shell, dress the circuit board of shell, the bottom surface opening of shell with the circuit board dress, the circuit board be circular and diameter with the diameter of shell is the same, the bottom side of shell inwards buckles to form the turn-up that the round is used for eating tin.
Furthermore, an air pressure sensing element and a chip for processing air pressure data are mounted on the mounting surface of the circuit board, a first air hole is formed in the position corresponding to the air pressure sensing element, a second air hole is formed in the top surface of the shell, and the first air hole and the second air hole are communicated with an air passage of the electronic cigarette.
Furthermore, one surface of the circuit board, which is back to the mounting surface, is a plane and is provided with a mounting pad.
Preferably, the material of the shell is brass nickel plating, and the shell is welded on the circuit board by using solder paste.
Furthermore, the first air hole is an air inlet hole, the second air hole is an air suction hole, the air suction hole is communicated with an air suction channel of the electronic cigarette, and the air inlet hole is communicated with the outside through the air suction channel of the electronic cigarette.
Preferably, the air pressure sensing element is any one of a capacitive MEMS sensor, a piezoelectric MEMS sensor, and a piezoresistive capacitive sensor.
The utility model also provides an electron cigarette, including foretell baroceptor and the electron cigarette of being convenient for paste dress.
Compared with the prior art, the utility model has the advantages of it is following:
1. the diameter of the circuit board is set to be the same as that of the shell, so that the size of the sensor can be further reduced, namely, the area of the bottom circuit board can be reduced, and the cost is reduced.
2. The bottom of shell inwards buckles to form a circle and is used for eating the turn-up of tin, when pasting dress, the guide that the tin cream can pass through the turn-up is concentrated and is adsorbed between turn-up downside and circuit board, forms the tin circle that the circle is located shell and circuit board, can effectively avoid the solder joint gas leakage between shell and the circuit board to lead to sealed inefficacy.
3. The circuit board at the bottom can be slightly smaller than the outer diameter of the shell, and the structure installation is facilitated.
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 an embodiment of the present invention;
fig. 2 is a schematic structural view of a pad added in the embodiment of the present invention;
1. a circuit board;
2. a housing; 21. curling; 22. a second air hole; 23. a first air hole;
3. an air pressure sensing element; 4. a chip; 5. and a bonding pad.
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.
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides a baroceptor convenient to paste dress mainly includes circuit board 1, shell 2 and other electronic components who are used for the atmospheric pressure response. The circuit board 1 is in a circular piece shape, and the front surface of the circuit board is a mounting surface used for mounting the shell 2 and various electronic components. The casing 2 is the columniform cover body, the bottom surface does not seal and can directly be pasted on circuit board 1, and circuit board 1's diameter is the same with casing 2's diameter, casing 2's bottom is inwards buckled and is formed the turn and be used for eating the turn-up 21 of tin, when pasting dress, the tin cream can concentrate through the guide of turn-up 21 and adsorb between turn-up 21 downside and circuit board 1, form the turn and be located casing 2 and circuit board 1's tin circle, can effectively avoid the welding department gas leakage between casing 2 and the circuit board 1 to lead to sealed inefficacy.
The material of the shell 2 is brass nickel plating, and the shell 2 is welded on the circuit board 1 by using solder paste.
The air pressure sensor specifically further includes: the air pressure sensing element 3 and the chip 4 for processing air pressure data are arranged on the attaching surface of the circuit board 1 and covered by the shell 2, a first air hole 23 is formed in the position, corresponding to the air pressure sensing element 3, of the circuit board 1, a second air hole 22 is formed in the top surface or the side face of the shell 2, and the first air hole 23 and the second air hole 22 are communicated with an air channel of the electronic cigarette.
The first air hole 23 may be an air intake hole, and the second air hole 22 may be an air suction hole. The suction hole is communicated with a suction channel of the electronic cigarette, the suction channel is communicated to the position of a suction nozzle of the electronic cigarette, and the air inlet hole is communicated with an air inlet channel of the electronic cigarette and is communicated with the outside through the air inlet channel. In the embodiment, the first air hole 23 can also be an air suction hole, and the second air hole 22 can be an air inlet hole, that is, the sensor adopts a back suction mode to prevent smoke liquid from flowing back to influence the operation of the sensor.
Specifically, the air pressure sensing element 3 is any one of a capacitive MEMS sensor, a piezoelectric MEMS sensor, and a piezoresistive capacitance sensor. Are all within the protection scope of the utility model.
The specific size of circuit board 1 can design into circularly (6 mm 2.5 mm), also can set to other sizes as required, in addition, the diameter of circuit board 1 can slightly be greater than the diameter of shell 2 in actual manufacturing process, perhaps slightly is less than the diameter of shell 2, can all normally carry out the paster installation and can not leak gas, also all is in the protection scope of the utility model.
As shown in fig. 2, the back of circuit board 1 levels, leaves paster pad 5, can realize surface SMT and paste the dress, is convenient for the utility model discloses paste the dress on total integrated circuit board 1 (being the PCB board of electron cigarette) and realize all functions of electron cigarette on a circuit board 1 with other subassembly integrations.
In this embodiment, the air pressure sensing element 3 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 plus a uniform and stable bias voltage), small volume (0.95 x 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: (1) the temperature drift is small, the temperature compensation algorithm is insensitive to temperature change, and the design of the temperature compensation algorithm is simple; (2) 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; (3) the sensing diaphragm area is little, and the sensing diaphragm diameter is 50um, and traditional diaphragm diameter is 4.5mm. 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 utility model also provides an electron cigarette, the baroceptor of being convenient for paste the dress that describes including above-mentioned content.
In other embodiments, the chip and the air pressure sensing element can be mounted on the circuit board by a solid gold method; other baroceptors such as capacitive sensor, piezoresistive sensor, piezoelectric sensor etc. also can be used, all be in the utility model discloses the within range of protection.
Claims (7)
1. The utility model provides a baroceptor convenient to dress pastes, includes the columniform shell, pastes the dress the circuit board of shell, the bottom surface opening of shell with the circuit board pastes dress, a serial communication port, the circuit board be circular and the diameter with the diameter of shell is the same, the bottom side of shell inwards buckles to form the turn-up that the round is used for eating tin.
2. The air pressure sensor convenient to mount as claimed in claim 1, wherein an air pressure sensing element and a chip for processing air pressure data are mounted on the mounting surface of the circuit board, a first air hole is formed at a position corresponding to the air pressure sensing element, a second air hole is formed at the top surface of the casing, and the first air hole and the second air hole are communicated with an air passage of the electronic cigarette.
3. The air pressure sensor convenient to mount as claimed in claim 1, wherein the side of the circuit board opposite to the mounting surface is a plane and is provided with a mounting pad.
4. The easy-to-mount air pressure sensor according to claim 1, wherein the housing is made of nickel brass plating, and the housing is soldered to the circuit board using solder paste.
5. The air pressure sensor convenient to mount as claimed in claim 2, wherein the first air hole is an air inlet hole, the second air hole is a suction hole, the suction hole is communicated with a suction channel of the electronic cigarette, and the air inlet hole is communicated with the outside through the suction channel of the electronic cigarette.
6. The easy-to-mount air pressure sensor according to claim 2, wherein the air pressure sensing element is any one of a capacitive MEMS sensor, a piezoelectric MEMS sensor, and a piezoresistive capacitive sensor.
7. An electronic cigarette, characterized by comprising the easy-to-mount air pressure sensor of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905586.6U CN218605140U (en) | 2022-04-19 | 2022-04-19 | Atmospheric pressure sensor and electron cigarette convenient to dress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905586.6U CN218605140U (en) | 2022-04-19 | 2022-04-19 | Atmospheric pressure sensor and electron cigarette convenient to dress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218605140U true CN218605140U (en) | 2023-03-14 |
Family
ID=85422040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220905586.6U Active CN218605140U (en) | 2022-04-19 | 2022-04-19 | Atmospheric pressure sensor and electron cigarette convenient to dress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218605140U (en) |
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2022
- 2022-04-19 CN CN202220905586.6U patent/CN218605140U/en active Active
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