CN105054298A - Electronic cigarette - Google Patents

Abstract

The invention discloses an electronic cigarette, aiming at providing an electronic cigarette which is stable in heating and long in service life. The electronic cigarette comprises a tubular cigarette rod, a suction nozzle connected to one end of the cigarette rod, a smoking device, a battery, an air pressure switch and an LED lamp which are sequentially arranged inside the cigarette rod from one end, close to the suction nozzle, of the cigarette rod to one end, away from the suction nozzle, of the cigarette rod, and a transparent or semitransparent ventilation hood which is arranged at the end of the cigarette rod and is provided with an air inlet hole, wherein a smoke gas mixing cavity is formed in the joint of the cigarette rod and the suction nozzle; the suction nozzle comprises a tube body and a suction nozzle core with which the tube body is filled; the smoking device comprises an insulation cover arranged inside the cigarette rod in a sleeving manner, and a PCT heating body and a radiator accommodating cigarette liquid which are arranged inside the insulation cover in a mode of mutual heat conduction connection; the radiator is of a structure which is provided with a hollow cavity in the center and is uniformly distributed with radiating fins on the outer wall of the hollow cavity in a radial direction; the PCT heating body corresponds to the hollow cavity in the radiator in both shape and size and is arranged inside the hollow cavity; and the air pressure switch, the LED lamp, the battery and the PCT heating body are electrically connected.

Description

A kind of electronic cigarette

Technical field

The present invention relates to new cigarette equipment technical field, especially relate to a kind of electronic cigarette.

Background technology

Existing electronic cigarette, mostly adopts after Resistant heating, and the method electronic cigarette liquid with band being gasified be fuming meets the demand that electronic cigarette is smoked panel test.Although the method for Resistant heating is simple and easy to do, be subject to the restriction of battery volume capacity and electronic cigarette volume in electronic cigarette, the resistance wire of heating can not do power is very large, and the problem of electronic cigarette smog deficiency easily appears in resistance wire limited length.On the other hand, there is higher difference in the steam raising temperature of electronic cigarette tobacco liquid and the ON operation temperature of heating resistance wire, therefore also need in electronic cigarette to increase temperature leak control and check circuit and element, too increase cost and the complexity of electronic cigarette, otherwise when the tobacco juice in an electronic cigarette is critical exhaust time, easily cause resistance wire dry combustion method, very easily cause resistance wire to blow; After adding circuit components microminiaturization, the reliability of components and parts reduces, and is just some well-designed reusable Rechargeable electronic cigarettes, also often has temperature control malfunctioning, is unable to escape life-span short final result.

Summary of the invention

Instant invention overcomes shortcoming of the prior art, provide that a kind of structure is simple, heating is stable and the electronic cigarette that the life-span is long.

In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:

A kind of electronic cigarette, comprise the tobacco rod of tubulose, be connected to the suction nozzle of tobacco rod one end, from tobacco rod near suction nozzle one end to smoking device, battery, blast switch, the LED be set in turn in away from suction nozzle one end in tobacco rod, and it is transparent or semitransparent and have the ventilating cover of air admission hole to be arranged at tobacco rod end;

The junction of described tobacco rod and suction nozzle has flue gas hybrid chamber;

Described suction nozzle comprises body and is full of the suction nozzle inner core of body;

Described smoking device comprises the collet be set in tobacco rod, is arranged at the PCT heater of heat transfer connection mutually in collet and holds the radiator of tobacco juice;

Centered by described radiator, there is cavity, the version of radial equipartition fin on cavity outer wall; The shape size of described PCT heater is corresponding to the cavity on radiator and be installed in cavity;

Described blast switch, LED, battery and PCT heater are electrically connected;

During suction, air enters tobacco rod from ventilating cover end, arrives suction nozzle through PCT heater, radiator, flue gas hybrid chamber.

Preferably, the cross section of described radiator is circular.

Preferably, clamping or be threaded between described body and tobacco rod.

Compared with prior art, tool of the present invention has the following advantages:

The present invention has the PTC heater of positive temperature coefficient by utilizing, the characteristic near setting operating temperature (i.e. Curie temperature) with heated at constant temperature utilizing this heater element to have, use the PTC heater of the particular job temperature characterisitic of custom-made, make the operating temperature of this PTC heater and a certain specification, the gasification of the electronic cigarette liquid of kind temperature of being fuming adapts, utilize PTC heater constant temp. warming fast, the flames of anger, thermal conversion rate is high, minimum by power supply voltage influence, natural life-span, length waited the advantage that conventional heating element does not have, by coordinating the radiator of given shape and size, overcome the total temperature control circuit structure of existing electronic cigarette complicated, the amount of being fuming is little, the shortcoming that heater strip easily blows.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is structural representation of the present invention.

Fig. 2 is the sectional view along B-B in Fig. 1.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Electronic cigarette shown in Fig. 1 and Fig. 2, comprise the tobacco rod 6 of tubulose, be connected to the suction nozzle of tobacco rod 6 one end, from tobacco rod 6 near suction nozzle one end to smoking device, battery 5, blast switch 4, the LED 3 be set in turn in away from suction nozzle one end in tobacco rod 6, and it is transparent or semitransparent and have the ventilating cover 1 of air admission hole to be arranged at tobacco rod 6 end; Obvious ventilating cover 1 also can not arrange air admission hole, and air admission hole is set in the junction of ventilating cover 1 and tobacco rod 6;

The junction of described tobacco rod 6 and suction nozzle has flue gas hybrid chamber 15;

Described suction nozzle comprises body 12 and is full of the suction nozzle inner core 13 of body 12, by clamping or be threaded between described body 12 and tobacco rod 6, and has good air-tightness;

Described smoking device comprises the collet 8 be set in tobacco rod 6, is arranged at the PCT heater 9 of heat transfer connection mutually in collet 8 and holds the radiator 10 of tobacco juice;

Centered by described radiator 10, there is cavity, the version of radial equipartition fin on cavity outer wall; The shape size of described PCT heater 9 is corresponding to the cavity on radiator 10 and be installed in cavity;

Described blast switch 4, LED 3, battery 5 and PCT heater 9 are electrically connected;

During suction, air enters tobacco rod 6 from ventilating cover 1 end, arrives suction nozzle through PCT heater 9, radiator 10, flue gas hybrid chamber 15.

Radial equipartition is at the fin of PCT heater 9 surrounding, the part that centre is vacated is for holding tobacco juice or the fiber containing tobacco juice, angle between on adjustment radiator 10, density change fin size, can design by specifying the amount of being fuming of tobacco juice and customize, therefore the amount of being fuming of the present invention controls more flexible.

When consumer aspirates from suction nozzle, heater circuit conducting is controlled by blast switch 4, LED 3 is lighted, outside air enters from the air admission hole of ventilating cover 1 end, through blast switch 4, battery 5 periphery, through the multiple passages bottom collet 8, enter in the cavity that is compounded with between the PCT heater 9 of fin 10 and collet 8, now, the heat heating and gasifying that tobacco juice (or other composite containing tobacco juice) between the fin of radiator 10 is transmitted by PCT heater 9, the flue gas produced is evaporated in a large number together with the air sucked, in the flue gas hybrid chamber 15 of cigarette holder front end after mixing, oral cavity is sucked by consumer after the cigarette holder inner core 13 of Fiber Materials filters.

In above-described embodiment, the work temperature of PCT heater is set as follows:

001"/>

In formula, T is the setting value of the operating temperature of PCT heater;

Δ T is the temperature range of tobacco juice gasification;

Tmin is the gasification temperature of the minimum material of gasification temperature in a certain electronic cigarette liquid formula;

Tmax is the gasification temperature of the highest material of gasification temperature in a certain electronic cigarette liquid formula.

When reality sets in the actual value of selected a kind of electronic cigarette tobacco liquid operating temperature, tobacco juice formula institute can be pressed set across operating temperature central value T ± 10 ~ 20 DEG C of warm area, or higher, or be directly set to operating temperature with the gasification temperature of principal character fragrance in tobacco juice, evaporate in order to it.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (3)

1. an electronic cigarette, it is characterized in that: the tobacco rod comprising tubulose, be connected to the suction nozzle of tobacco rod one end, from tobacco rod near suction nozzle one end to smoking device, battery, blast switch, the LED be set in turn in away from suction nozzle one end in tobacco rod, and it is transparent or semitransparent and have the ventilating cover of air admission hole to be arranged at tobacco rod end;

The junction of described tobacco rod and suction nozzle has flue gas hybrid chamber;

Described suction nozzle comprises body and is full of the suction nozzle inner core of body;

Described smoking device comprises the collet be set in tobacco rod, is arranged at the PCT heater of heat transfer connection mutually in collet and holds the radiator of tobacco juice;

Centered by described radiator, there is cavity, the version of radial equipartition fin on cavity outer wall; The shape size of described PCT heater is corresponding to the cavity on radiator and be installed in cavity;

Described blast switch, LED, battery and PCT heater are electrically connected;

During suction, air enters tobacco rod from ventilating cover end, arrives suction nozzle through PCT heater, radiator, flue gas hybrid chamber.

2. electronic cigarette according to claim 1, is characterized in that: the cross section of described radiator is for circular.

3. electronic cigarette according to claim 1 and 2, is characterized in that: clamping or be threaded between described body and tobacco rod.