CN112021661A

CN112021661A - Magnetic induction switch structure applied to induction starting during smoking of electronic cigarette

Info

Publication number: CN112021661A
Application number: CN201910479616.4A
Authority: CN
Inventors: 柳子兴
Original assignee: Shenzhen Baitena Electronic Co ltd
Current assignee: Shenzhen Baitena Electronic Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-12-04

Abstract

The invention discloses a magnetic induction switch structure applied to induction starting of an electronic cigarette during smoking, which is arranged in an electronic cigarette body, so that tobacco tar and an electronic part are actually separated and are not influenced by the tobacco tar, the switch life is effectively prolonged, and the service life of the electronic cigarette is prolonged. The magnetic induction switch structure consists of a mounting bracket, a Hall sensor unit arranged in the mounting bracket, a fixed magnet and a movable magnet. The Hall sensor unit is connected with a main control circuit board in a circuit mode, and an MCU unit is arranged in the main control circuit board. Two cavitys about being equipped with in the installing support, left side cavity is used for the fixed hall sensor unit of installation, in the right side cavity was located to activity magnet and fixed magnet, the arrangement of magnet including activity magnet in fixed magnet top, the two heteropolar attracting is arranged, perhaps fixed magnet is in the top of activity magnet, and the two homopolar repels mutually arranges, and the inside air duct pipe of right side cavity upper end switch-on suction nozzle.

Description

Magnetic induction switch structure applied to induction starting during smoking of electronic cigarette

Technical Field

The invention relates to the technical field of electronic cigarette control switches, in particular to a magnetic induction switch structure applied to induction starting of electronic cigarettes during smoking.

Background

At present, the traditional electronic cigarette adopts a microphone switch to sense airflow and transmit signals to an electronic cigarette chip, and an electronic cigarette chip starting circuit atomizes the microphone electronic cigarette generating smoke. The microphone switch has the following specific principle: the capacitor consisting of the diaphragm, the gasket and the polar plates is arranged inside, because the diaphragm is filled with charges and is made of a plastic film, when a person inhales, the diaphragm is under the action of pressure, the diaphragm vibrates, and therefore the distance between the diaphragm and the polar plates is changed, and the distance between the two polar plates of the capacitor is changed, and the capacitor serves as a starting mode of the electronic cigarette. The disadvantages are as follows: because the tobacco tar of electron cigarette easily flows backwards, and cigarette bullet, atomizing air flue and miaow head switch air flue are a shared air flue, admit air from the bottom, and the top is given vent to anger, causes the condensate to flow back to the bottom through the air flue easily, leads to miaow head switch or circuit board to damage or corrode to lead to the unable use of electron cigarette.

Disclosure of Invention

For solving above-mentioned prior art not enough, this scheme provides a magnetic induction switch structure that response was started when an application was used to electron cigarette smoking. The magnetic induction switch structure enables the tobacco tar to be actually separated from the electronic part, is not influenced by the tobacco tar, and effectively prolongs the service life of the switch and the service life of the electronic cigarette.

The technical scheme adopted by the invention is as follows: the utility model provides a magnetic induction switch structure that response starts when being applied to electron cigarette smoking, this magnetic induction switch structure sets up at the electron cigarette originally internally, and the electron cigarette body comprises main casing body, main control circuit board, power supply unit, cigarette bullet unit, suction nozzle in locating the main casing. The magnetic induction switch structure consists of a mounting bracket, a Hall sensor unit, a fixed magnet and a movable magnet, wherein the Hall sensor unit, the fixed magnet and the movable magnet are arranged in the mounting bracket; two cavitys about being equipped with in the installing support, left side cavity is used for the installation fixed hall sensor unit, movable magnet and fixed magnet are located in the right side cavity, and the inside air duct pipe of suction nozzle is put through to right side cavity upper end.

The movable magnet is arranged in the right side cavity, the inner wall of the upper end of the right side cavity is inwards protruded to form a stopping part, the lower end of the right side cavity is provided with a cover body, the center of the cover body is provided with a convex cavity, the fixed magnet is arranged in the convex cavity, and the periphery of the convex cavity in the center of the cover body is provided with a through hole; the movable magnet is arranged above the cover body, the movable magnet and the fixed magnet are in S/N pole attraction arrangement through the convex cavity, and the movable magnet is adsorbed on the upper surface of the convex cavity.

As a preferred scheme, the fixed magnet of lid and protruding intracavity is whole to be invertd and is located right side cavity upper place, and movable magnet sets up in the right side cavity, and movable magnet is in the below of lid, and movable magnet and fixed magnet separate protruding chamber and be homopolar repulsion arrangement, and the bottom of right side cavity is equipped with the inlet port.

Further power supply unit sets up in the bottom of main casing body, and magnetic induction switch structure locates power supply unit's top, and magnetic induction switch structure's side is located to the main control circuit board, and main control circuit board top sets up the cigarette bullet unit, and the cigarette bullet unit includes cigarette bullet casing and smoke cavity, filter pulp, heater, electrode holder, and in the cigarette holder was arranged in to the cigarette bullet unit is whole, the gas channel pipe lateral wall in the cigarette holder was located the through-hole and is used for the atomizing smog of cigarette bullet unit to get into.

Further the air channel pipe in the suction nozzle is in butt joint with the upper end opening of the right cavity, and a sealing silica gel ring is sleeved at the butt joint.

The invention has the beneficial effects that: through the electron cigarette of this technical scheme improvement, electron cigarette starts the atomized circuit of heater heating through this magnetic induction switch control, accomplishes tobacco tar and the separation of other electron devices, has solved traditional electron cigarette and has passed through miaow head inductive switch starting circuit, and tobacco tar refluence or condensate refluence lead to miaow head inductive switch or the problem of circuit board corrosion damage, improve the life of electron cigarette. The magnetic induction switch of this scheme combines fixed magnet and activity magnet, and fixed magnet and activity magnet contain activity magnet last, and fixed magnet is under, and the scheme that the two is inhaled mutually, or activity magnet is under, and fixed magnet is last, and the scheme that the two repels mutually is arranged. Because the convex cavity outer wall of the cover body separates the shelves, the attraction force or the repulsion force of the movable magnet and the fixed magnet cannot be large, and the gap between the movable magnet and the fixed magnet is controlled so that the movable magnet can be attracted by the air pressure of the air passage when a person inhales the suction nozzle. The movable magnet inhales the suction nozzle through people, and when smoking, the movable magnet is inhaled, and the removal of movable magnet makes hall sensor unit response magnetic field change to hall sensor signals to the MCU unit, MCU unit output start heating wire heating circuit's signal. When stopping breathing in to the suction nozzle, the activity magnet is through attracting mutually with the fixed magnet of below, perhaps repeateing mutually with the fixed magnet of top, and the activity magnet moves down, and hall sensor unit responds to signal to MCU unit once more, and MCU unit output stops heater heating circuit's signal.

Drawings

FIG. 1 is an exploded view of the present invention.

FIG. 2 is a structural sectional view of the present invention.

Fig. 3 is a cross-sectional view of another embodiment with the stationary magnet below the upper movable magnet.

Fig. 4 is a sectional view of another embodiment of the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Referring to fig. 1-3, a magnetic induction switch structure for induction starting of an electronic cigarette during smoking is provided, which is disposed in an electronic cigarette body, and the electronic cigarette body is composed of a main housing 1, a main control circuit board 9 disposed in the main housing 1, a power supply unit 2, a cartridge unit, and a suction nozzle 11. The magnetic induction switch structure comprises a mounting bracket 3, a Hall sensor unit 4 arranged in the mounting bracket 3, a fixed magnet 6 and a movable magnet 7, wherein the Hall sensor unit 4 is in circuit connection with a main control circuit board 9, and an MCU unit is arranged in the main control circuit board 9. Two cavitys about being equipped with in the installing support 3, left side cavity 301 is used for the installation fixed hall sensor unit 4, in right side cavity 302 was located to activity magnet 7 and fixed magnet 6, the inside air duct pipe 111 of right side cavity 302 upper end switch-on suction nozzle 11.

Referring to fig. 2, the movable magnet 7 is disposed in the right cavity 302, the inner wall of the upper end of the right cavity 302 protrudes inward to form a stop portion, the lower end of the right cavity 302 is provided with a cover 5, the center of the cover 5 is provided with a convex cavity 501, the fixed magnet 6 is disposed in the convex cavity 501, and the periphery of the convex cavity in the center of the cover 5 is provided with a through hole; the movable magnet 7 is arranged above the cover body 5, the movable magnet 7 and the fixed magnet 6 are arranged in an S/N pole attraction manner through the convex cavity 501, and the movable magnet 7 is adsorbed on the upper surface of the convex cavity 501.

As another embodiment, according to fig. 2, the movable magnet 7 is disposed in the right chamber 302, the fixed magnet 6 and the cover 5 carrying the fixed magnet 6 are disposed below the movable magnet 7, and the cover 5 is fixed to the bottom of the right chamber 302, based on the principle that the movable magnet 7 and the fixed magnet 6 are attracted to each other. The fixed magnet 6 can here be replaced by a metal block which is magnetically attracted to the movable magnet, the same effect being achieved as with the fixed magnet 6.

As another embodiment, referring to fig. 3, the cover 5 and the fixed magnet 6 in the convex cavity 501 are integrally disposed upside down in the right cavity 302, the movable magnet 7 is disposed below the cover 5, the movable magnet 7 and the fixed magnet 6 are disposed in a homopolar repulsion arrangement across the convex cavity 501, and an air inlet is disposed at the bottom of the right cavity 302.

Preferably, power supply unit 2 sets up in the bottom of main casing body 1, and power supply unit 2's top is located to the magnetic induction switch structure, and main control circuit board 9 locates the side of magnetic induction switch structure, and main control circuit board 9 top sets up the cigarette bullet unit, and the cigarette bullet unit includes cigarette bullet casing and smoke chamber, filter pulp 101, heater 102, electrode holder 103, and the whole suction nozzle 11 of arranging in of cigarette bullet unit, the through-hole is located to the gas channel pipe 111 lateral wall in the suction nozzle 11 and is used for the atomizing smog entering of cigarette bullet unit.

Preferably, the air passage tube 111 in the suction nozzle 11 is butted with the upper end opening of the right cavity 302, and a sealing silicone ring 8 is sleeved at the butted position.

The working process of the magnetic induction switch is as follows: when a person inhales to the suction nozzle 11 (namely, when using the electronic cigarette to smoke), the movable magnet 7 is arranged below the upper fixed magnet 6 or the metal block, the movable magnet 7 and the fixed magnet 6 or the metal block are in an attraction state, the suction nozzle 11 inhales, the movable magnet 7 is attracted by the air pressure of the air channel pipe 111, the movable magnet 7 moves upwards in the right cavity 302, at the moment, the Hall sensor unit 4 in the left cavity 301 induces the magnetic field effect, the Hall sensor unit 4 transmits a signal to the MCU unit of the main control circuit board 9, the MCU unit sends out a heating wire circuit which is connected with the smoke bomb unit, so that smoke oil atomization is started, and smoke enters the smoke channel pipe 111 to be inhaled by the user. After stopping breathing in, movable magnet 7 is owing to be that the heteropolar looks is inhaled with fixed magnet 6 and arranges, perhaps movable magnet 7 and metal block magnetism are inhaled mutually, and movable magnet 7 drops downwards, adsorbs automatically on the lid on fixed magnet 6 or the metal block to hall sensor unit 4 transmits a signal to the MCU unit of main control circuit board 9 once more, and the MCU unit sends the heater circuit of disconnection smoke cartridge unit, stops the tobacco tar atomizing.

The same principle, movable magnet 7 sets up the embodiment in fixed magnet 6 below, movable magnet 7 and fixed magnet 6 are that homopolar repulsion arranges, inhale through inhaling to suction nozzle 11, because movable magnet 7 is inhaled to the atmospheric pressure of air duct pipe 111, movable magnet 7 upwards moves in right side cavity 302, at this moment, hall sensor unit 4 induction magnetic field effect in the left side cavity 301, hall sensor unit 4 transmits a signal to the MCU unit of main control circuit board 9, the MCU unit sends the heater circuit of switch-on cartridge unit, thereby start the tobacco tar atomizing, smog gets into from air duct pipe 111 and supplies the user to inhale. After stopping breathing in, movable magnet 7 is owing to be the arrangement of repelling with fixed magnet 6, and movable magnet 7 is by repelling to right side cavity 302 bottom to hall sensor unit 4 transmits a signal to the MCU unit of main control circuit board 9 once more, and the MCU unit sends the heater circuit of disconnection cigarette bullet unit, stops the tobacco tar atomizing.

This technical scheme is mainly the innovation to electron cigarette inductive switch, to the specific circuit of hall sensor unit 4 and master control circuit board that this implementation relates to, and the control circuit of MCU unit all can follow current ripe hall sensor circuit, and MCU control circuit obtains, and this scheme is not being repeated.

The right cavity 302 and the air duct pipe 111 of the mounting bracket 3 disclosed in the technical scheme are circular and cylindrical corresponding to the movable magnet 7 and the fixed magnet 6, and certainly, the right cavity 302 and the air duct pipe 111 can be designed to be square corresponding to the movable magnet 7 and the fixed magnet 6.

As another preferred embodiment, referring to fig. 4, a stainless steel spring 61 is disposed in the right cavity 302 of the mounting bracket 3, the movable magnet 7 is disposed below the stainless steel spring 61, the stainless steel spring 61 enables the movable magnet 7 to be at the bottom of the right cavity 302 under natural tension, when a user inhales the suction nozzle 11, the movable magnet 7 is attracted, the stainless steel spring 61 is compressed, the movable magnet 7 moves upward, the hall sensor unit 4 in the left cavity 301 induces a magnetic field effect, the hall sensor unit 4 transmits a signal to the MCU unit of the main control circuit board 9, the MCU unit sends a heating wire circuit which is connected to the smoke bomb unit, so as to start smoke atomization, and smoke enters from the air duct 111 for the user to inhale. After stopping breathing in, the movable magnet 7 is supported to the bottom of the right cavity 302 by the natural elasticity of the stainless steel spring 61, so that the Hall sensor unit 4 transmits a signal to the MCU unit of the main control circuit board 9 again, and the MCU unit sends out a heating wire circuit signal for disconnecting the smoke bomb unit to stop smoke atomization.

The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. And obvious changes and modifications which are within the spirit of the invention are deemed to be within the scope of the invention.

Claims

1. The utility model provides a magnetic induction switch structure that response starts when being applied to electron cigarette smoking, this magnetic induction switch structure sets up at the electron cigarette originally internally, and the electron cigarette body comprises main casing body (1), main control circuit board (9), power supply unit (2), cigarette bullet unit, suction nozzle (11) in locating main casing body (1), its characterized in that:

the magnetic induction switch structure comprises a mounting bracket (3), a Hall sensor unit (4) arranged in the mounting bracket (3), a fixed magnet (6) and a movable magnet (7), wherein the Hall sensor unit (4) is in circuit connection with a main control circuit board (9), and an MCU unit is arranged in the main control circuit board (9); two cavitys about being equipped with in installing support (3), left side cavity (301) are used for installing fixed hall sensor unit (4), in right side cavity (302) was located in activity magnet (7) and fixed magnet (6), right side cavity (302) upper end switch-on suction nozzle (11) inside airway pipe (111).

2. The magnetic induction switch structure applied to induction starting during smoking of an electronic cigarette according to claim 1, characterized in that: the movable magnet (7) is arranged in the right cavity (302), the inner wall of the upper end of the right cavity (302) is inwards convex to form a stopping part, the lower end of the right cavity (302) is provided with a cover body (5), the center of the cover body (5) is provided with a convex cavity (501), the fixed magnet (6) is arranged in the convex cavity (501), and the periphery of the convex cavity in the center of the cover body (5) is provided with a through hole; the movable magnet (7) is arranged above the cover body (5), the movable magnet (7) and the fixed magnet (6) are arranged in an S/N pole attraction mode through the convex cavity (501), and the movable magnet (7) is adsorbed on the upper surface of the convex cavity (501).

3. The magnetic induction switch structure applied to induction starting during smoking of an electronic cigarette according to claim 2, characterized in that: fixed magnet (6) in lid (5) and protruding chamber (501) are wholly invertd and are located upper side in right side cavity (302), and activity magnet (7) set up in right side cavity (302), and activity magnet (7) are in the below of lid (5), and activity magnet (7) and fixed magnet (6) separate protruding chamber (501) and are homopolar repulsion and arrange, and the bottom of right side cavity (302) is equipped with the inlet port.

4. The magnetic induction switch structure applied to induction starting during smoking of an electronic cigarette according to claim 1, characterized in that: the power supply unit (2) sets up in the bottom of main casing body (1), the top of power supply unit (2) is located to magnetic induction switch structure, the side of magnetic induction switch structure is located in main control circuit board (9), main control circuit board (9) top sets up the cigarette bullet unit, the cigarette bullet unit includes cigarette bullet casing and smoke chamber, filter pulp (101), heater (102), electrode holder (103), the whole suction nozzle (11) of arranging in of cigarette bullet unit, through-hole is located to gas channel pipe (111) lateral wall in suction nozzle (11) and is used for the atomizing smog of cigarette bullet unit to get into.

5. The magnetic induction switch structure applied to induction starting during smoking of an electronic cigarette according to claim 1, characterized in that: an air channel pipe (111) in the suction nozzle (11) is butted with an opening at the upper end of the right cavity (302), and a sealing silica gel ring (8) is sleeved at the butted position.

6. The magnetic induction switch structure applied to induction starting during electronic cigarette smoking according to the claims 1-5, wherein the control method of the magnetic induction switch comprises the following steps: the power supply of the electronic cigarette is turned on, and the Hall sensor unit (4), the main control circuit board (9) and the MCU unit are in a standby state; when a person inhales the suction nozzle 11 (namely, when the person uses the electronic cigarette to smoke), the movable magnet (7) is arranged below the upper fixed magnet (6), the suction nozzle (11) inhales, the movable magnet (7) is attracted by the air pressure of the air channel pipe (111), the movable magnet (7) moves upwards in the right cavity (302), at the moment, the Hall sensor unit (4) in the left cavity (301) induces the magnetic field effect, the Hall sensor unit (4) transmits a signal to the MCU unit of the main control circuit board (9), the MCU unit sends out a heating wire circuit which is connected with the smoke bomb unit, so that smoke oil atomization is started, and smoke enters the smoke channel pipe (111) to be sucked by the user; stopping air suction; the movable magnet (7) is arranged by being attracted by the fixed magnet (6) in a heteropolar way, the movable magnet (7) moves downwards and is automatically adsorbed on the cover body on the fixed magnet (6), so that the Hall sensor unit (4) transmits a signal to the MCU unit of the main control circuit board (9) again, and the MCU unit sends out a heating wire circuit for disconnecting the smoke bomb unit and stops the atomization of the smoke oil.