Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an atomizing core with a bottom atomizing cavity.
The technical scheme of the invention is realized as follows: the utility model provides an atomizing core with bottom atomizing chamber, locates on electronic atomization device's atomizing seat, includes the shell, leads liquid and the piece that generates heat, the shell is equipped with upper portion opening, lower part opening and lateral wall through-hole, it locates to lead the liquid cover the shell inner wall, the lateral wall through-hole quilt lead the liquid outer wall and shelter from, it is equipped with vertical middle through-hole to lead liquid, middle through-hole with the upper portion opening and the lower part opening intercommunication of shell, the piece that generates heat is located lead the bottom of liquid, the inside of shell is located be equipped with the bottom cavity below the piece that generates heat and be used for constituting the atomizing chamber, the inside of shell is located and is equipped with the upper portion cavity above leading the liquid and be used for constituting the fog chamber.
Preferably, the heating device further comprises electrode leads, the electrode leads are arranged at two ends of the heating sheet, and the electrode leads extend downwards from the lower opening of the shell.
Preferably, the housing is made of a heat-resistant metal material or a heat-resistant dense ceramic material, and the liquid guide is made of a porous ceramic material.
Preferably, the materials for forming the shell, the liquid guide plate and the heating plate are placed in a mould to be molded and then sintered into a whole.
Preferably, the liquid guide part is provided with a liquid absorption convex part at the through hole of the side wall, and the liquid absorption convex part is blocked at the through hole of the side wall.
Preferably, the outer wall of the shell below the through hole of the side wall is provided with a transversely extending spacer, and two sides of the spacer are provided with liquid adding holes.
Preferably, the lower section of the housing is larger than the upper section thereof, and the lower section of the liquid guide is larger than the upper section thereof.
Preferably, the housing is formed of an upper circular tube and a lower square tube, and correspondingly, the liquid guide is formed of an upper cylindrical body and a lower rectangular parallelepiped.
Preferably, the housing is formed by an upper circular tube and a lower circular tube, and correspondingly, the liquid guide is formed by an upper cylinder and a lower cylinder.
Preferably, the heating sheet is arranged on the bottom surface of the liquid guide body or embedded in a part close to the bottom surface in the liquid guide body.
Preferably, the heating sheet is configured by a resistance material capable of heating, and heating paste is printed on the bottom of the liquid guide body.
Preferably, the heating sheet is composed of a sheet resistor capable of heating, and the sheet resistor is etched to have a uniformly distributed route surrounding the middle through hole of the liquid guide body.
Preferably, the heating plate is made of nickel-chromium or tungsten wire or silver alloy or iron-chromium-aluminum material.
The invention has the following beneficial effects: the heating sheet is used as a heating resistor for heating the atomizing core, and the heating sheet has large contact area with the liquid guide body and large heating area, so that the heating is uniform, and the generated atomizing amount is large; in addition, the bottom of the atomizing core, namely the structure of the atomizing cavity is arranged below the heating sheet, vapor or aerosol formed after the atomized liquid is heated and evaporated is downwards guided to the atomizing cavity and then upwards guided out, wherein small liquid drops which are not atomized or condensed downwards drop or are condensed, so that the small liquid drops are not easily and directly carried upwards by airflow and are sucked out, the small liquid drops or the water mist is effectively prevented from being sucked into the mouth of a user, and the use experience of the user is improved; the atomization core is provided with the shell, so that the internal liquid guide body can be protected, the liquid guide body made of the porous ceramic material is not easy to crack and damage, and the service life of the product is prolonged. The shell made of metal material has good heat conductivity, can heat the liquid to be atomized quickly in use and can enhance the fluidity of the liquid to be atomized, thereby being beneficial to using the liquid to be atomized with higher viscosity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 invention and are not intended to limit the invention.
For the convenience of the following description, the atomizing core with the bottom atomizing chamber is vertically placed with the atomizing core facing upward as shown in fig. 1, and the descriptions of "up, down, left, right, upper, lower, upper, lower, etc. of the components described herein refer to the positional relationship of the components when the atomizing core is vertically placed with the atomizing core facing upward. The liquid to be atomized of the present invention refers to a solution to be heated and atomized.
Example one
As shown in fig. 1-7, the atomizing core with a bottom atomizing chamber of the present invention is mounted on an atomizing base (not shown) of an atomizer. This atomizing core is by shell 1, lead liquid 2, generate heat piece 3 and electrode lead 4 and constitute, shell 1 is equipped with upper portion opening 11, the lateral wall through-hole 10 at lower part opening 12 and middle part, shell 1 comprises upper portion pipe 13 and the square pipe 14 in lower part, the cross sectional area that the lower part of shell 1 is square pipe 14 promptly is greater than upper portion and is the cross sectional area of pipe 13 promptly, outer wall that shell 1 is located lateral wall through-hole 10 below transversely stretches out and is equipped with spacing block 15, in this embodiment, the outer wall that housing 1 was transversely located to spacing block 15 is located the junction of the square pipe 14 in upper portion pipe 13 and lower part, the both sides of spacing block 15 are equipped with liquid feeding hole 150. The spacer 15 facilitates the installation and fixation of the atomizing core on the atomizing base (not shown) of the atomizer, and separates the atomizing base from the liquid storage cavity. Liquid feeding holes 150 are formed in two sides of the partition 15, so that liquid to be atomized can be conveniently fed into a liquid storage cavity (not shown) of the atomizer through the liquid feeding holes 150 after the atomization core is installed.
Lead liquid 2 and locate the inside middle section of shell 1, lead liquid 2 and be located lateral wall through-hole 10 department and be equipped with imbibition convex part 20, imbibition convex part 20 blocks up in lateral wall through-hole 10. The liquid absorption convex part 20 blocks the side wall through hole 10, so that the casing 1 and the liquid guide 2 are embedded and combined more tightly and are not loosened. The provision of the liquid-absorbing projection 20 also facilitates the integral manufacture of the housing 1 and the liquid-conducting body 2. Lateral wall through-hole 10 is connected with the stock solution chamber of atomizer, and imbibition convex part 20 can directly absorb the conduction in the stock solution chamber like this and treat the atomized liquid to through leading liquid 2 will treat the atomized liquid conduction to the bottom of leading liquid 2, make and treat the atomized liquid and generate heat piece 3 contact, generate heat after 3 circular telegrams of piece generate heat and will treat the atomized liquid and heat evaporation one-tenth vapour fog or aerosol. The liquid guide 2 is provided with a vertical intermediate through hole 21 communicating with the upper opening 11 and the lower opening 12 of the housing. The liquid guide body 2 is composed of an upper cylinder 22 and a lower cuboid 23, and the section of the lower cuboid 23 of the liquid guide body 2 is larger than that of the upper cylinder 22, so that the atomization area is enlarged.
The heating sheet 3 of the present embodiment is closely attached to the bottom surface of the liquid guiding body 2, and in other embodiments, the heating sheet 3 may also be embedded in the liquid guiding body 2 near the bottom surface thereof. The heat generating sheet 3 may also be configured by a heat generating resistive material such that heat generating paste is printed on the bottom surface of the liquid guiding body 2.
Electrode leads 4 are arranged at two ends of the heating sheet 3, and the electrode leads 4 extend downwards out of a lower opening 12 of the shell. The heat generating sheet 3 is constituted by a heat generating sheet resistor which is etched to have a route which surrounds the intermediate through hole 21 for conducting liquid and is uniformly distributed, as shown in fig. 6.
The lower end of the inside of the shell 1 is positioned below the heating sheet 3 and is provided with a bottom cavity for forming an atomizing cavity 16, and the upper end of the inside of the shell 1 is positioned above the liquid guide body 2 and is provided with an upper cavity for forming an atomizing cavity 17. The atomizing cavity 16 is arranged at the inner bottom of the shell 1, vapor or aerosol formed by heating the atomized liquid is evaporated downwards to the atomizing cavity and then is guided out upwards through the middle through hole 21 of the liquid guide 2, wherein small liquid drops which are not atomized or condensed are dropped or condensed downwards, so that the small liquid drops or the aerosol is not easy to be directly entrained by air flow and is upwards sucked out, the small liquid drops or the water mist is effectively prevented from being sucked into a user opening, and the use experience of a user is improved. The cross sectional area of the square pipe 14 in the lower part of the shell 1 is larger than that of the round pipe 13 in the upper part, and the cross section of the lower part 23 of the liquid guide body 2 is larger than that of the upper part 22 correspondingly to the shell 1, so that the heating areas of the liquid guide body 2 and the heating sheet 3 are increased, the volume of the atomizing cavity 16 is increased, the amount of vapor or aerosol generated in unit time is increased, and the use experience and the taste of a user are better.
The housing 1 is made of a heat-resistant metal material and the liquid guide 2 is made of a porous ceramic material. The shell 1 is made of metal materials, so that the liquid guide body 2 made of porous ceramic materials can be better protected, and the liquid guide body 2 is not easy to crack in use. In other embodiments, the housing 1 may also be made of a heat-resistant dense ceramic material. The heat-resistant dense ceramic material also has high strength, and can effectively protect the liquid guide 2.
The shell 1, lead liquid 2, generate heat piece 3 and electrode lead 4's material and arrange mould internal forming back integrative sintering in and make, atomizing core shaping is as an organic whole like this to from having the atomizing chamber, when assembling on the atomizer, upper portion only need be connected to the suction nozzle, and the lower part only need be installed on the atomizing seat, makes the accessories reduce, and the installation is simple, is favorable to realizing automated production. In addition, after the atomization core is assembled on the atomizer, the shell 1 of the atomization core is directly arranged in the liquid storage cavity of the atomizer and is in direct contact with the liquid to be atomized in the liquid storage cavity. The shell 1 of the atomizing core is made of metal materials, so that when the heating sheet 3 works, redundant heat can be quickly transmitted to the shell 1 through the liquid guide 2, and the shell 1 can transmit the heat to liquid to be atomized, so that the liquid to be atomized can be quickly heated in use, the liquidity of the liquid is increased, and the atomizing core can use the liquid to be atomized with higher viscosity.
Example two
As shown in fig. 8-12, the atomizing core with a bottom atomizing chamber of the present invention is mounted on an atomizing base (not shown) of an atomizer. The atomization core is composed of a shell 1, a liquid guide body 2, a heating piece 3 and an electrode lead 4, wherein the shell 1 is provided with an upper opening 11, a lower opening 12 and a side wall through hole 10 at the middle lower part, the shell 1 is composed of an upper circular tube 13 and a lower circular tube 18, and the cross-sectional area of the lower circular tube 18 of the shell 1 is larger than that of the upper circular tube 13.
The liquid guide 2 is arranged at the middle lower section in the shell 1, and the side wall through hole 10 is shielded by the outer wall of the liquid guide 2 in the shell. Lateral wall through-hole 10 is connected with the stock solution chamber of atomizer, leads liquid 2 like this and can directly absorb, conduct from the stock solution chamber through lateral wall through-hole 10 and treat the atomized liquid to through leading liquid 2 will treat the atomized liquid conduction to the bottom of leading liquid 2, make and treat the atomized liquid and generate heat piece 3 contact, generate heat after 3 circular telegrams of piece generate heat will treat the atomized liquid and heat and evaporate into vapour fog or aerosol. The liquid guide 2 is provided with a vertical intermediate through hole 21 communicating with the upper opening 11 and the lower opening 12 of the housing. The liquid guiding body 2 is formed by an upper cylinder 22 and a lower disc 24 in conformity with the housing 1, the lower disc 24 of the liquid guiding body 2 having a cross section larger than that of the upper cylinder 22, which facilitates enlargement of the atomization area.
The heating sheet 3 is closely attached to the bottom of the liquid guide body 2, electrode leads 4 are arranged at two ends of the heating sheet 3, and the electrode leads 4 extend downwards out of the lower opening 12 of the shell. The heat generating sheet 3 is constituted by a heat generating sheet resistor which is etched to have a route which surrounds the intermediate through hole 21 for conducting liquid and is uniformly distributed, as shown in fig. 12.
The lower end of the inside of the shell 1 is positioned below the heating sheet 3 and is provided with a bottom cavity for forming an atomizing cavity 16, and the upper end of the inside of the shell 1 is positioned above the liquid guide body 2 and is provided with an upper cavity for forming an atomizing cavity 17. The atomizing cavity 16 is arranged at the inner bottom of the shell 1, vapor or aerosol formed by heating the atomized liquid is evaporated downwards to the atomizing cavity and then is guided out upwards through the middle through hole 21 of the liquid guide 2, wherein small liquid drops which are not atomized or condensed are dropped or condensed downwards, so that the small liquid drops or the aerosol is not easy to be directly entrained by air flow and is upwards sucked out, the small liquid drops or the water mist is effectively prevented from being sucked into a user opening, and the use experience of a user is improved. The cross-sectional area of the lower circular tube 14 of the shell 1 is larger than that of the upper circular tube 13, and the cross-sectional area of the lower part 24 of the liquid guiding body 2 is larger than that of the upper part 22, so that the heating areas of the liquid guiding body 2 and the heating sheet 3 are increased, the volume of the atomizing cavity 16 is increased, the amount of vapor or aerosol generated in unit time is increased, and the use experience and the taste of a user are better.
In this embodiment, the housing 1 is made of a heat-resistant metal material, and the liquid guide 2 is made of a porous ceramic material. The shell 1 is made of heat-resistant metal material or heat-resistant compact ceramic material, so that the liquid guide body 2 made of porous ceramic material can be better protected, and the liquid guide body 2 is not easy to crack in use.
The shell 1, lead liquid 2, generate heat piece 3 and electrode lead 4's material and arrange mould internal forming back integrative sintering in and make, atomizing core shaping is as an organic whole like this to from having the atomizing chamber, when assembling on the atomizer, upper portion only need be connected to the suction nozzle, and the lower part only need be installed on the atomizing seat, makes the accessories reduce, and the installation is simple, is favorable to realizing automated production. In addition, after the atomization core is assembled on the atomizer, the shell 1 of the atomization core is directly arranged in the liquid storage cavity of the atomizer and is in direct contact with the liquid to be atomized in the liquid storage cavity. The shell 1 of the atomizing core is made of metal materials, so that when the heating sheet 3 works, redundant heat can be quickly conducted to the shell 1 through the liquid guide 2, the shell 1 can conduct the heat to liquid to be atomized, the liquid to be atomized can be preheated or quickly heated in use, and the liquidity of the liquid is increased, so that the atomizing core can use the liquid to be atomized with high viscosity.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the invention, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.