CN109832668A - Oil-spraying atomizer thereof structure is heated in a kind of - Google Patents

Abstract

The present invention, which discloses, heats oil-spraying atomizer thereof structure in one kind, by liquid quantitative export and be atomized by the piezoelectric micropump connecting with liquid storage component, particularly suitable in electronic cigarette.Unlike conventional atomizers, atomizer disclosed by the invention does not use Oil Guide rope, avoids heating element and directly heats the problems such as Oil Guide rope makes Oil Guide rope picking, carbonization, preferably suction experience can be brought to user.Heating element of the invention is located in piezoelectric micropump, tobacco tar heated atomization when spraying from liquid storage component, thus the tobacco tar amount that may be implemented to be atomized every time is substantially quantitative purpose；Furthermore this kind of structure will not also heat the tobacco tar of leakage, avoid the hot danger of high-temp liquid outflow.

Description

Oil-spraying atomizer thereof structure is heated in a kind of

Technical field

The present invention relates to wave heating atomizer structure in a kind of oil spout, the especially structures can be applied in electronic cigarette.

Background technique

The effective component of cigarette is nicotine (nicotine), and a large amount of tar droplets that nicotine cigarettes burning generates when smoking enter It is absorbed into blood after alveolar, acts on the receptor of central nervous system, causes excited feeling.However, traditional tobacco Ingredient is uncontrollable, can generate thousands of constituents through burning, wherein hundreds of has been demonstrated with carcinogenic risk, and its nicotine contains Amount is very high, and big to body harm after habituation, therefore, electronic cigarette comes into being as the substitute products of cigarette.

Electronic cigarette is a kind of electronic product for imitating cigarette, it passes through the means such as atomization for the nicotine in smokeable material Equal ingredients become vapour colloidal sol, can generate the feeling similar with regular-size cigarette is sucked after user's sucking, it can also be according to individual The fragrance of the various tastes such as hobby addition chocolate, peppermint.The smokeable material applied in electronic cigarette mainly has solid-state and liquid Two kinds of state, wherein solid smokeable material higher cost, complex process, thus the electronic cigarette in society mostly uses greatly at present The tobacco tar of liquid is as atomization matrix.

Usually, electronic cigarette is atomized tobacco tar by the way of heating, and heating element will not be directly in oil pocket In heated, but in oil pocket be arranged Oil Guide component, tobacco tar is exported to outside oil pocket, reheat Oil Guide component on cigarette Oil can make the tobacco tar in oil pocket not contaminated, be not subjected to heating for multiple times in this way.Currently, Oil Guide component mostly uses greatly glass fiber rope, Have the characteristics that high temperature resistant, oil absorption are strong, Oil Guide is fireballing, but Oil Guide rope is that bulked glass yarn is worked out, not Absorb tobacco tar stand it is exposed when, easy the phenomenon that falling off and generate floccule.Between 2014 to 2015 years, many electronics Cigarette user worries that " picking " of glass cord enters lung phenomenon, in addition, the later period of suction, Oil Guide rope has the wind of carbonization It is dangerous, the smell of burning is had in the cigarette of sucking, significant change also occurs for the amount of Oil Guide, influences suction experience.

To solve the above problem existing for glass Oil Guide rope, the solution that the prior art is taken is mainly by improvement Oil Guide The material of component, experienced " absorbent cotton epoch ", " organic cotton epoch " have developed the forms such as oil guiding net so far, they are Advantages such as good, delicate mouthfeel, long service life with atomizing effect, but its complex process, cost are higher, and not from Fundamentally solve the problems, such as.

For the above technical problems, those skilled in the art wish to seek a kind of atomising device, can not make With directly heating tobacco tar in the case where Oil Guide component, and heating element cannot be located in shoe cream room.

Summary of the invention

In order to solve the above technical problems, the present invention provides a kind of atomizer, it can be not by traditional Oil Guide such as Oil Guide rope In the case where component, the atomization to tobacco tar is realized, which is not influenced by the variation of Oil Guide rope Oil Guide rate, does not have Oil Guide rope carbon The risk of change, and fixed amount of oil may be implemented, experience is preferably aspirated to consumer.

Atomizer of the invention is with the following construction:

A kind of atomizer, including liquid storage component, piezoelectric micropump and heating element, wherein piezoelectric micropump includes piezoelectric sensitivity Element and cavity, cavity have inlet and venthole, and inlet is connected with liquid storage component, make the liquid in the liquid storage component Body can flow into the cavity from inlet；It is equipped with the first valve components at inlet, the second valve components are equipped at venthole, the One, the second valve components are periodically opened or closed as piezoelectric sensing element periodically vibrates, and heating element setting exists In piezoelectric micropump, to be atomized the liquid flowed into cavity, and with the opening of the second valve components, spray aerosol from the cavity Out.Wherein the first valve components and/or the preferably unidirectional valve of the second valve components.

Using above-mentioned construction, it may be implemented three technical effects, first, liquid can be directly heated, does not have drain portion The risk of part carbonization, and the liquid in liquid storage component is not polluted.Liquid in liquid storage component flows into piezoelectric micromotor from the first diaphragm In pump, atomization is completed in the cavity of piezoelectric micropump, and is sprayed from venthole.Second, it is able to achieve fixed amount of oil.To piezoelectricity Sensing element applies electric field, can cause piezoelectric sensing element mechanically deform, alternating electric field can make piezoelectric sensing element periodically It is of reciprocating vibration, under the drive of piezoelectric sensing element, change to air pressure generating period in piezoelectric micropump, thus make first every Film periodically opens and closes, thus it is substantially certain for flowing into the amount of liquid being atomized in cavity every time；In addition, tobacco tar Flow can also be controlled by changing the vibration frequency of piezoelectric sensing element.Third, use is safer, when liquid storage component occurs When oil leak, except liquid leakage to liquid storage component and piezoelectric micropump, at this time since heating element is located in piezoelectric micropump, leakage Liquid will not be heated, and when the atomizer is applied to electronic cigarette, even if tobacco tar drains to outside tobacco rod, will not be scalded one's hand.

Further, the first valve components include the first diaphragm, and the second valve components include the second diaphragm, the first, second diaphragm It is covered each by inlet and venthole；Wherein, when piezoelectric sensing element, which vibrates, opens the first valve components, the second valve components are closed It closes；When piezoelectric sensing element, which vibrates, closes the first valve components, the second valve components are opened.

Using above-mentioned construction, when liquid enters cavity, the second valve components are to close, thus given liquid in the cavity More residence times, heating time also extend therewith, and atomization can be made more abundant.

Further, the first diaphragm forms a convex surface to cavity, and the second diaphragm forms a concave surface relative to cavity.

Using above-mentioned construction, since piezoelectric sensing element periodically vibrates, the intracorporal air pressure of chamber is periodically changed, when When the intracorporal air pressure of chamber becomes smaller, the first diaphragm makes liquid in liquid storage component flow into cavity just to cavity internal projection, and at this time second Due to air pressure relationship, link closely diaphragm venthole, and covers venthole, and the second diaphragm is in closed state；Conversely, when in cavity Air pressure when increasing, the first diaphragm links closely inlet, and the second diaphragm, which is pressurized, to be opened, and liquid (tobacco tar) is after atomization from venthole It sprays.

Preferably, inlet and venthole are arranged at cavity both ends, and piezoelectric sensing element is parallel to the axial direction side of atomizer To setting.

Particularly, the atomizer is arranged in the radial direction in inlet and venthole.

Using above-mentioned construction, capable of making liquid, the residence time is longer (gravity) in the cavity, is atomized more abundant.

Preferably, piezoelectric micropump also has feed pathway, and feed pathway periphery is equipped with silica gel plug, and passes through silica gel plug and storage Liquid component interference fit.

Using above-mentioned construction, it can prevent liquid from leaking out from liquid storage component.

Further, heating element is heater strip, heating sheet or the heater circuit of setting in the cavity.

Using above-mentioned construction, it can be atomized the liquid flowed through in cavity rapidly, make to spray atomized tobacco tar at venthole, And it is non-liquid.

Preferably, the first valve components and/or second valve components are check valve.

Using above-mentioned construction, can be flow backwards to avoid vapour-liquid.

Further, the liquid storage component has tonifying Qi component.

Using above-mentioned construction, make liquid storage component that there is gas compensation function.In use, liquid storage component liquid level reduces, and The environment relative closure of liquid storage component makes to be stored in tobacco tar whereabouts therein difficulty, mend since liquid storage component air pressure inside reduces Gas component can stablize the air pressure in liquid storage component, flow into tobacco tar smoothly in hydrojet component.

Further, one end of atomizer be equipped with venthole, the other end be equipped with suction nozzle, outside air from the venthole into Enter to inside the atomizer, and converge with the aerosol of liquid atomization, flows to the suction nozzle.

Using above-mentioned construction, the liquid after atomization is sufficiently mixed with empty vapour in atomizer, cools down, and user can be from suction nozzle It will be in cigarette vapour and empty vapour together suction inlet.

The beneficial effects of the present invention are:

It does not need glass Oil Guide rope and carries out Oil Guide, overcome the risk of Oil Guide rope carbonization

Fixed amount of oil may be implemented, overcome the problem of Oil Guide rope Oil Guide rate changes in common atomizer.

Using safer, heating element is located in piezoelectric micropump, will not heat leak into oil storage component and piezoelectric micropump it Outer liquid, the risk for avoiding the outflow of high temperature tobacco tar hot.

Detailed description of the invention

Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.

Fig. 1 is the atomizer schematic diagram of I shape piezoelectric micropump of the present invention；

Fig. 2 is that the present invention has I shape piezoelectric micropump concrete structure schematic diagram；

Fig. 3 is the atomizer schematic diagram of U-shaped piezoelectric micropump of the present invention；

Fig. 4 is that the present invention has U-shaped piezoelectric micropump concrete structure schematic diagram；

Fig. 5 is I shape piezoelectric micropump heating sheet heating schematic diagram of the present invention；

I shape piezoelectric micropump heater strip heating schematic diagram of the present invention when Fig. 6；

Component label instructions

10 piezoelectric micropumps

101 piezoelectric sensing elements

102 cavitys

121 first diaphragms

122 second diaphragms

13 vibrating diaphragms

141 substrates 1

142 substrates 2

143 substrates 3

144 substrates 4

145 substrates 5

15 feed pathways

16 go out vapour channel

20 liquid storage components

21 liquid storage chamber lids

30 heating elements

41 bottom brackets

42 ventholes

43 suction nozzles

44 top support frames

45 middle part brackets

46 connecting components

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification Revealed content is understood other advantages and efficacy of the present invention easily.Although description of the invention will combine preferred embodiment It introduces together, but this feature for not representing the invention is only limitted to the embodiment.On the contrary, being invented in conjunction with embodiment The purpose of introduction is to be possible to the other selections extended or transformation to cover based on claim of the invention.In order to mention For that will include many concrete details in depth understanding of the invention, being described below.The present invention can also be thin without using these Section is implemented.In addition, in order to avoid confusion or obscuring emphasis of the invention, some details will be omitted in the de-scription.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

In addition, "upper", "lower", "left", "right", "top", "bottom" used in the following description, should not be construed as pair Limitation of the invention.

Two kinds of organization plans are provided using 101 fixed amount of oil atomizing principles of piezoelectric sensing element, and provide two kinds of substitutions Heating element scheme, in attached drawing provided by the invention, wherein solid line is gas circuit, and dotted line is oil circuit.

The first scheme, as depicted in figs. 1 and 2, inlet and venthole are separately positioned on the both ends of cavity 102, cavity 102 shape is similar to I shape, i.e. liquid is flowed into from the inlet for being located at 102 top of cavity, from positioned at cavity 102 after being atomized It is sprayed at the venthole of bottom.For convenience of expression, in this application, above structure is known as " I type ", the pressure of this structure will be had Electric Micropump is known as " I shape piezoelectric micropump ", and the atomizer with this structure is known as " atomizer with I shape piezoelectric micropump ".

Fig. 1 is the atomizer schematic diagram that the present invention has I shape piezoelectric micropump.With liquid storage component 20,10 and of piezoelectric micropump Heating element 30.Piezoelectric micropump 10 includes piezoelectric sensing element 101 (piezoelectric patches) and cavity 102, and piezoelectric sensing element 101 is parallel It is arranged in the axial direction of atomizer, it is this to can be in parallel stringent parallel, it is also possible to rough parallel.Piezoelectric sensing element 101 are attached on vibrating diaphragm, or are connect in a manner of any other with vibrating diaphragm to drive diaphragm oscillations, so that cavity can be changed by reaching The purpose of 102 volume.Piezoelectric micropump 10 has inlet and venthole, and inlet is connected with liquid storage component 20, makes liquid storage Tobacco tar in component can flow into cavity 102；Inlet is equipped with the first valve components, and venthole is equipped with the second valve components, and first, the Two valve components are periodically opened or closed as piezoelectric sensing element 101 periodically vibrates；In conjunction with Fig. 5, heating element 30 are arranged in piezoelectric micropump 10, to be atomized the liquid flowed into cavity 102, and with the opening of valve components, make aerosol from chamber It is sprayed in body 102.In the present embodiment, heating element 30 is the heater circuit for printing or being attached on vibrating diaphragm 13, the heater circuit The liquid (tobacco tar) by cavity 102 can be atomized moment, wherein the material of vibrating diaphragm 13 is heat-resisting material, can be polyamides The materials such as imines, dimethyl silicone polymer, silicon fiml, or can also be in the coated one layer of heat-resisting material of diaphragm surface.

In the present embodiment, the first valve components include the first diaphragm 121, and the second valve components include the second diaphragm 122, the One diaphragm 121 covers inlet, and the second diaphragm 122 covers venthole.When the periodically side-to-side vibrations of piezoelectric sensing element 101, Air pressure in cavity 102 changes correspondingly, and when piezoelectric sensing element 101 vibrates to the left, the air pressure in cavity 102 becomes smaller, liquid Cavity 102 is flowed into, when piezoelectric sensing element 101 vibrates to the right, the air pressure in cavity 102 becomes larger, and liquid passes through in cavity 102 After atomization, it can be sprayed from venthole.Wherein, piezoelectric sensing element 101 can be ceramic material；Fuel injection equipment shell can be poly- The materials such as propylene, COC resin, photosensitive polymer, elastomeric polymer.

Specifically, as shown in Fig. 2, in the atomizer of I shape piezoelectric micropump 10, the first diaphragm 121 forms one to cavity 102 Convex surface, the second diaphragm 122 form a concave surface relative to cavity 102.Substrate is equipped in piezoelectric micropump 10, the length of each substrate is not Together, it is fixed on substrate in a manner of sticking diaphragm etc., and inlet and venthole can be enveloped.In present embodiment In, diaphragm multiple spot gluing is on substrate, and when the air pressure in cavity 102 changes, diaphragm can deformation occurs, and liquid can be from gluing point It is oozed out in gap, this set may further ensure that the one-way that liquid, vapour flow in a device.

Second scheme, as shown in Figure 3 and Figure 4, inlet and venthole are arranged radially, the shape class of cavity 102 It is similar to U-shaped.For convenience of expression, in this application, above structure is known as " U-shaped ", the piezoelectric micropump with this structure is known as Atomizer with this structure is known as " atomizer with U-shaped piezoelectric micropump " by " U-shaped piezoelectric micropump ".

Fig. 3 is the atomizer schematic diagram that the present invention has U-shaped piezoelectric micropump, the atomization with aforementioned I shape oil circuit piezoelectric micropump Unlike device, there is certain distance between liquid storage component 20 and piezoelectric micropump 10, relative position passes through middle part bracket support And fixation；The direction of vibration of vibrating diaphragm 13 is to vibrate up and down.

Fig. 4 is the structural schematic diagram of U-shaped piezoelectric micropump, as shown in figure 4, when vibrating diaphragm 13 vibrates downwards, 102 volume of cavity Become larger, pressure becomes smaller, the second diaphragm 122 closing, the first diaphragm 121 is opened, and tobacco tar enters in the cavity 102 of piezoelectric micropump 10, The heater circuit atomization being printed on vibrating diaphragm therewith；When vibrating diaphragm 13 vibrates upwards, the volume of cavity 102 becomes smaller, pressure becomes larger, Second diaphragm 122 is opened, and smog is discharged from the second diaphragm 122.(number that this part has changed figure)

In previously described embodiment of the invention, all there is feed pathway 15, the bottom of liquid storage component 20 has liquid storage chamber Lid 21, liquid storage chamber lid 21 form an opening, and the bottom end of feed pathway is connected with the liquid-inlet of piezoelectric micropump, feed pathway 15 Periphery is equipped with silica gel plug, and liquid storage chamber lid 21 compresses silica gel plug, in this way, feed pathway 15 and liquid storage component 20 are interference fitted, makes to store up Oil in liquid component 20 is only capable of flowing out by feed pathway 15, without leaking to elsewhere.

Further, liquid storage component 20 has tonifying Qi component, for adjusting the pressure inside liquid storage component 20.Preferably, Multiple apertures are distributed on the surface of liquid storage component 20 to be less than and/or micropore equal to 0.2 micron, there is liquid storage component 20 and mend Airway dysfunction.In use, 20 liquid level of liquid storage component reduces, and the environment relative closure of liquid storage component 20, due to liquid storing part 20 air pressure inside of part reduces, make to be stored in tobacco tar therein fall it is difficult, be arranged on 20 wall of liquid storage component aperture be less than and/or Micropore equal to 0.2 micron, liquid can also stablize liquid storage component since surface tension effects will not ooze out liquid storage component 20 Air pressure in 20 flows into tobacco tar smoothly in piezoelectric micropump 10.

Preferably, aforementioned embodiments all have vapour channel 16 out, and vapour channel 16 there is guidance to make the flow direction of smog out With.

Further, it is equipped with venthole 42 in one end of atomizer, the other end is equipped with suction nozzle 43, and outside air is from venthole 42 enter inside the atomizer, and converge with the aerosol of liquid atomization, and a suction nozzle 43 in the same direction moves.

In any embodiment of the invention, top support frame 44, the middle part bracket as shown in Fig. 1 and Fig. 3 can be used 45, the structures such as bottom bracket 41, connecting component 46 realize the positioning of each component in the present invention；Substrate can be used, such as 141~ 145 and any suitable structure piezoelectric micropump is arranged, to realize goal of the invention, or realize the technical effects such as heat-insulated.

Fig. 5 and Fig. 6 shows the alternative solution of two kinds of heating elements.

Fig. 5 is that I shape piezoelectric micropump heating sheet heats schematic diagram, i.e., in the structure of I shape piezoelectric micropump script, using heating Piece is attached on vibrating diaphragm and heats to the tobacco tar for flowing into cavity 102, to replace printing the mode of heater circuit on vibrating diaphragm.

Fig. 6 heats schematic diagram for I shape piezoelectric micropump heater strip, similarly, i.e., replaces the printing on vibrating diaphragm to add using heater strip The mode of heater circuit.

Further, the flow of liquid (tobacco tar) is controllable, can change pressure by changing vibrating diaphragm amplitude and vibration frequency Electric Micropump flow.Fuel injection equipment can take 3.7~12V DC electricity to power, and power can use 0.1~3W, with tobacco tar discharge matching, Control the efficiency of heating.

In conclusion provided by the invention, the above-described embodiments merely illustrate the principles and effects of the present invention, rather than For limiting the present invention.Any person skilled in the art all without departing from the spirit and scope of the present invention, to above-mentioned reality It applies example and carries out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed Spirit with technical idea under all equivalent modifications or change for being completed, should be covered by the claims of the present invention.

Claims (10)

1. a kind of atomizer, including liquid storage component, piezoelectric micropump and heating element, which is characterized in that the piezoelectric micropump includes Piezoelectric sensing element and cavity, the cavity have inlet and venthole, and the inlet is connected with the liquid storage component, The liquid in the liquid storage component is set to flow into the cavity from inlet；The first valve components, institute are equipped at the inlet It states and is equipped with the second valve components at venthole, first, second valve components are periodically vibrated and all with piezoelectric sensing element Open or close to phase property；The heating element is arranged in the piezoelectric micropump, flows into the intracorporal liquid of chamber with atomization, And with the opening of the second valve components, spray aerosol from the cavity.

2. atomizer as described in claim 1, which is characterized in that first valve components include the first diaphragm, described second Valve components include the second diaphragm, and first diaphragm, second diaphragm are covered each by the inlet and the venthole；Its In, when the piezoelectric sensing element, which vibrates, opens first valve components, second valve components are closed；When the piezoelectricity When first valve components are closed in sensing element vibration, second valve components are opened.

3. atomizer as claimed in claim 2, which is characterized in that first diaphragm forms a convex surface, institute to the cavity It states the second diaphragm and forms a concave surface relative to the cavity.

4. atomizer as described in claim 1, which is characterized in that the inlet and the venthole are arranged in the cavity Both ends, the piezoelectric sensing element are parallel to the axial setting of the atomizer.

5. atomizer as described in claim 1, which is characterized in that the inlet and the venthole are arranged in the atomization Device is radially.

6. atomizer as described in claim 1, which is characterized in that the piezoelectric micropump also has feed pathway, the feed liquor Channel periphery is equipped with silica gel plug, and is cooperated by silica gel plug and liquid storage component sealing.

7. atomizer as described in claim 1, which is characterized in that the heating element is the heating of setting in the cavity Silk, heating sheet or heater circuit.

8. atomizer as described in claim 1, which is characterized in that first valve components and/or second valve components are Check valve.

9. the atomizer as described in claim any one of 1-8, which is characterized in that the liquid storage component has tonifying Qi component.

10. the atomizer as described in any one of claim 1-8, which is characterized in that one end of the atomizer is equipped with venthole, The other end is equipped with suction nozzle, and outside air enters inside the atomizer from the venthole, and converges with the aerosol of liquid atomization It closes, flows to the suction nozzle.