CN216931920U - Air pressure sensor and electronic cigarette - Google Patents
Air pressure sensor and electronic cigarette Download PDFInfo
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- CN216931920U CN216931920U CN202121134331.6U CN202121134331U CN216931920U CN 216931920 U CN216931920 U CN 216931920U CN 202121134331 U CN202121134331 U CN 202121134331U CN 216931920 U CN216931920 U CN 216931920U
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- air pressure
- control switch
- pressure sensor
- processing module
- electronic cigarette
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Abstract
The utility model discloses an air pressure sensor and an electronic cigarette, wherein the air pressure sensor comprises a circuit board, a signal processing module, an air pressure sensing element and a control switch; the air pressure sensing element comprises an air flow channel, a vibrating diaphragm and a back plate; the control switch is a touch pad, or the control switch comprises a fingerprint sensor assembly, and the signal processing module comprises a fingerprint identification unit; the electronic cigarette comprises an air pressure sensor, a main controller, a battery, an indicator light and an atomizer; when the control switch is triggered, when the air pressure sensor detects that the air pressure is greater than a preset value, the air pressure sensor sends an electric signal to the main controller to start the electronic cigarette. The utility model can effectively prevent the occurrence of false triggering.
Description
Technical Field
The utility model relates to the technical field of electronic cigarettes, in particular to an air pressure sensor and an electronic cigarette.
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. Current electron cigarette equipment is by battery pack, core control subassembly (MCU), atomizer subassembly and baroceptor connect gradually and constitute, what traditional electron cigarette baroceptor adopted is the ECM design, commonly known miaow head, the inside atmospheric pressure response component (vibrating diaphragm, pneumatic membrane) of miaow head is just to the inlet port, the user makes pneumatic membrane take place deformation through breathing in, and then make baroceptor produce the high level and come the atomized smoke liquid to the core control subassembly with the transmission turn-on signal, but because the defect of structure, condensate backward flow can appear in electron flue gas baroceptor in long-time use, drip easily leads to the pneumatic membrane change on pneumatic membrane surface, the baroceptor sends the high level passively and opens, lead to the electron cigarette to take place the phenomenon of spurious triggering.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air pressure sensor and an electronic cigarette, and solves the problem that the electronic cigarette is easy to be triggered by mistake in the prior art.
The technical scheme adopted by the utility model is as follows: an air pressure sensor includes a circuit board; the signal processing module is arranged on the circuit board and comprises an output pin; the air pressure sensing element is connected with the signal processing module and is used for detecting an air pressure signal; and the control switch is electrically connected with the signal processing module to control the signal processing module to output a detection signal.
Further, the control switch is a touch pad.
Further, the air pressure sensor includes: the first pin and the second pin are connected with the battery to be electrified, and the third pin is connected with the control switch.
Further, the air pressure sensing element includes: and the signal processing module obtains a detection signal when the area between the vibrating diaphragm and the back plate is reduced.
Further, the control switch comprises a fingerprint sensor assembly, and the signal processing module comprises a fingerprint identification unit connected with the fingerprint sensor assembly.
The electronic cigarette is characterized in that the electronic cigarette comprises the air pressure sensor, and the control switch is arranged on the surface of the electronic cigarette.
Further, the electron cigarette still includes the casing, locates inside main control unit of casing, with the battery that the controller is connected and with the atomizer that the main control unit electricity is connected, main control unit respectively with signal processing module's output pin electricity is connected.
Further, the electronic cigarette also comprises an indicator light which is arranged on the surface of the shell and electrically connected with the main controller.
A starting method of an electronic cigarette is characterized in that when a control switch is triggered, when an air pressure sensor detects that air pressure is larger than a preset value, the air pressure sensor sends an electric signal to a main controller to start the electronic cigarette.
Preferably, the preset value is-200 pa.
Compared with the prior art, the control switch is arranged on the air pressure sensor, the control signal processing module can output the air pressure signal when the control switch is turned on, when the air pressure sensor detects that the negative pressure value reaches the preset value and the control switch is turned on, the signal processing module outputs the air pressure signal, through the arrangement, the air pressure sensor is controlled to output the electric signal only when the control switch is turned on, and the air pressure sensor cannot output the electric signal when the control switch is in the off state, so that the condition of false triggering can be effectively prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description 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 for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic block diagram of the structure of an air pressure sensor according to the present invention;
FIG. 2 is a schematic diagram of the structure of a gas pressure sensing element according to the present invention;
fig. 3 is a schematic flow chart of a starting method of the electronic cigarette in the utility model.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, 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 do not limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on 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.
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 used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The principles and structures of the present invention are described in detail below with reference to the drawings and the embodiments.
The application provides an air pressure sensor, as shown in fig. 1, the air pressure sensor in the application is integrally arranged on a circuit board and mainly comprises a signal processing module, an air pressure sensing element and a control switch, wherein the air pressure sensing element is electrically connected with the signal processing module and is used for detecting the change of air pressure; this application has still connected a control switch on signal processing module, control switch opens and allows signal processing module synchronous output signal of telecommunication, if control switch does not open, signal processing module then does not export the signal of telecommunication, through setting up like this, only control baroceptor output signal of telecommunication when control switch opens, and when control switch is in the off-state, baroceptor then can not export the signal of telecommunication, this condition that just can prevent the spurious triggering effectively takes place.
Furthermore, the control switch in the application is a touch pad, the touch pad is used as the control switch, and when a user touches the touch pad, the air pressure sensor can normally transmit an electric signal; in other embodiments, the control switch may also be configured as a physical key switch; the design laminating of touch-control board needs the practice, when the user need use the electron cigarette, only need with the finger gently touch switch can.
In addition, control switch also can set up to the fingerprint sensor subassembly, and include the fingerprint identification unit of being connected with the fingerprint sensor subassembly at signal processing module, the storage has user information (fingerprint information) in the fingerprint identification unit, the fingerprint identification unit is compared the fingerprint of input, when the fingerprint is the fingerprint information in the storage, just calculate and open control switch, guaranteed that the electron cigarette can supply specific people to use through setting up like this, guarantee personal hygiene, also further increase the performance of preventing the spurious triggering of electron cigarette simultaneously.
Further, the air pressure sensor is installed on the main controller, wherein the air pressure sensor comprises four pins, namely a first pin, a second pin, a third pin and the output pins mentioned above, wherein the first pin is connected with the anode of the battery, the second pin is connected with the cathode of the battery, the third pin is connected with the control switch, and the output pins are connected with the main controller to transmit electric signals.
Further, as shown in fig. 2, the air pressure sensing element is a capacitive sensor, the structure of the air pressure sensing element mainly includes a cylindrical housing 1, a circuit board is installed at one end of the housing, a diaphragm 2 (air pressure sensing element) and a back plate 3 are installed at the other end of the housing of the air pressure sensing element, the diaphragm 2 and the back plate 3 are arranged in the housing 1 at intervals, a capacitor is formed between the diaphragm 2 and the back plate 3 and is connected to a signal processing module on the circuit board, the whole housing 1 forms an air duct, when a user inhales, a negative pressure is formed in the air duct, the diaphragm 2 deforms, so that the relative distance and the relative area between the diaphragm 2 (SW) and the back plate (GND) change, and finally the capacitance of SW to GND changes, the signal processing module detects the capacitance change, when the user inhales to a certain degree, the negative pressure in the air flue reaches the preset value, and then the signal processing module judges that the user inhales so as to send an electric signal.
The application also provides an electronic cigarette, which comprises the air pressure sensor, wherein the control switch is arranged on the surface of the electronic cigarette; in addition, the electron cigarette includes main control unit, battery and atomizer (commonly known as the cigarette bullet), and baroceptor's output pin is connected on main control unit, and the battery is installed inside the electron cigarette and is connected in main control unit and baroceptor electricity, and the atomizer is connected with main control unit electricity and is used in order to control the atomizer operation production smog.
Furtherly, still be equipped with central control unit, power output unit and system power supply unit on the main control unit, still be equipped with on the electron cigarette with the main control unit electricity be connected pilot lamp, USB interface etc that charges, main control unit passes through power output module and is connected with the atomizer in order to supply power to the atomizer, heating resistor wire in the atomizer heats the atomizing to the tobacco juice, when main control unit control atomizer supplied power the operation, the pilot lamp was lighted immediately.
Preferably, the preset value of the negative pressure is-200 pa, and experiments show that the preset value is the lowest pressure value for simulating smoking of adults, and the condition that children can well prevent mistaken inhalation can be well set when the preset value is set.
As shown in fig. 3, the starting method of the electronic cigarette of the present application is: when a user uses the electronic cigarette, the triggering control switch needs to be met, when the air pressure sensor detects that the air pressure is larger than a preset value, the air pressure sensor sends a high-level signal to the main controller, and when the main controller detects an effective voltage signal, the power output unit is controlled to supply power to the atomizer to start the electronic cigarette; and if the condition of the air pressure that control switch and air pressure sensor detected all does not satisfy the condition of opening, or only one of them satisfies the condition of opening, main control unit can not receive the signal of telecommunication, and the electron cigarette can not be opened.
By setting the control switch to be pressed under the precondition, the situation that the air pressure sensor is triggered by mistake when the vibrating diaphragm fails can be effectively avoided, so that atomization spontaneous combustion is avoided.
Control switch in this application is connected with baroceptor, the control switch of touch-control formula is controlled by baroceptor, only when control switch is triggered, when suction pressure is big enough simultaneously, baroceptor just can export the signal of telecommunication and start the electron cigarette in the main control unit, that is to say whether the actual start-up of electron cigarette is triggered mainly by the control switch who depends on baroceptor, set up like this and make when breathing in and satisfy the default, baroceptor also can not frequently move the output signal of telecommunication, the operating frequency of reduction sensor that can be great, baroceptor's running life has been promoted greatly.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the utility model is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. An air pressure sensor, comprising a circuit board; the signal processing module is arranged on the circuit board and comprises an output pin; the air pressure sensing element is connected with the signal processing module and is used for detecting an air pressure signal; and the control switch is electrically connected with the signal processing module to control the signal processing module to output a detection signal.
2. The air pressure sensor according to claim 1, wherein the control switch is a touch pad.
3. The barometric sensor according to claim 1, wherein the control switch comprises a fingerprint sensor assembly, and the signal processing module comprises a fingerprint recognition unit coupled to the fingerprint sensor assembly.
4. The barometric sensor according to claim 1, wherein the barometric sensor comprises: the first pin and the second pin are connected with a battery to be electrified, and the third pin is connected with the control switch.
5. The air pressure sensor according to claim 1, wherein the air pressure sensing element comprises:
and the signal processing module obtains a detection signal when the area between the vibrating diaphragm and the back plate is reduced.
6. An electronic cigarette, characterized in that the electronic cigarette comprises the air pressure sensor according to any one of claims 1 to 5, and the control switch is arranged on the surface of the electronic cigarette.
7. The electronic cigarette according to claim 6, further comprising a housing, a main controller disposed inside the housing, a battery connected to the controller, and an atomizer electrically connected to the main controller, wherein the main controller is electrically connected to the output pins of the signal processing module, respectively.
8. The electronic cigarette of claim 7, further comprising an indicator light on the surface of the housing that is electrically connected to the main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134331.6U CN216931920U (en) | 2021-05-25 | 2021-05-25 | Air pressure sensor and electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134331.6U CN216931920U (en) | 2021-05-25 | 2021-05-25 | Air pressure sensor and electronic cigarette |
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| Publication Number | Publication Date |
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| CN216931920U true CN216931920U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121134331.6U Active CN216931920U (en) | 2021-05-25 | 2021-05-25 | Air pressure sensor and electronic cigarette |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331490A (en) * | 2021-05-25 | 2021-09-03 | 黄高东 | Air pressure sensor, electronic cigarette and starting method of electronic cigarette |
| CN115568641A (en) * | 2022-11-04 | 2023-01-06 | 爱奇迹(香港)有限公司 | Electronic cigarette child lock implementation method, circuit, storage medium and electronic cigarette |
-
2021
- 2021-05-25 CN CN202121134331.6U patent/CN216931920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331490A (en) * | 2021-05-25 | 2021-09-03 | 黄高东 | Air pressure sensor, electronic cigarette and starting method of electronic cigarette |
| CN115568641A (en) * | 2022-11-04 | 2023-01-06 | 爱奇迹(香港)有限公司 | Electronic cigarette child lock implementation method, circuit, storage medium and electronic cigarette |
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