Disclosure of Invention
Based on this, it is necessary to provide an atomizer which is smooth in liquid guiding.
In addition, a heating component capable of enabling liquid guiding of the atomizer to be smooth and an electronic cigarette with scorched smell not easy to occur are also provided.
The utility model provides a heating element for atomizing tobacco tar, includes the base member, the base member is porous ceramic, the base member has the liquid guide surface, the tobacco tar by the liquid guide surface gets into the base member, the through-hole has been seted up on the base member, the through-hole is followed the flow direction setting of tobacco tar.
According to the heating component, through the through holes formed in the base body, when the heating component is used as a heating component of the atomizer, the oil storage cavity is not easy to form negative pressure along with consumption of tobacco tar, the tobacco tar in the oil storage cavity can continuously reach the atomizing surface of the base body, so that the atomizer is not easy to produce burnt smell due to dry burning, and user experience is improved.
In one embodiment, the aperture of the through hole is 0.1 mm-0.8 mm.
In one embodiment, the number of the through holes is a plurality, and the plurality of through holes are formed on the substrate at intervals.
In one embodiment, the number of through holes is two.
In one embodiment, the liquid guiding surface is opposite to the atomization surface, the heating component further comprises a heating element, the heating element is arranged on the atomization surface and comprises a contact electrode and a heating circuit electrically connected with the contact electrode, and the through hole is close to the joint of the contact electrode and the heating circuit.
In one embodiment, the contact electrodes are strip-shaped, the number of the contact electrodes is two, the two contact electrodes are arranged at intervals in parallel, the heating circuit is S-shaped, the heating circuit is arranged between the two contact electrodes, and two ends of the heating circuit are respectively electrically connected with the two contact electrodes.
In one embodiment, the contact electrode has a width of 1 mm-2 mm and a thickness of 10 μm-50 μm, and/or
The width of the heating circuit is 0.3 mm-0.5 mm, and the thickness of the heating circuit is 40-80 mu m.
In one embodiment, the thickness of the substrate is 1.5 mm-3.0 mm, and/or
The porosity of the matrix is 48% -60%.
An atomizer, comprising:
The oil storage cavity is used for storing tobacco tar and is provided with an oil outlet;
The heating component is used for atomizing the tobacco tar and comprises a base body and a heating piece, the base body is porous ceramic, the base body is provided with a liquid guiding surface and an atomizing surface, the heating piece is arranged on the atomizing surface, the liquid guiding surface is close to the oil outlet, the tobacco tar in the oil storage cavity enters the base body from the liquid guiding surface, a through hole is formed in the base body, and the through hole extends from the liquid guiding surface to penetrate through the atomizing surface;
The liquid guide piece is arranged on the liquid guide surface and shields the oil outlet, and tobacco tar in the oil storage cavity passes through the liquid guide piece to the liquid guide surface.
In one embodiment, the aperture of the through hole is 0.1 mm-0.8 mm.
In one embodiment, the number of through holes is two.
In one embodiment, the liquid guide is liquid guide cotton.
In one embodiment, the atomizer further comprises a seal disposed between the chamber wall of the oil reservoir chamber and the side wall of the base body to seal a gap between the oil reservoir chamber and the base body.
A method of manufacturing a heat generating component, comprising:
Preparing a platy matrix, wherein the matrix is porous ceramic;
preparing a plurality of heating elements arranged at intervals on the substrate, and
Cutting the substrate after a plurality of through holes are formed in the substrate to obtain a plurality of heating components, wherein each heating component comprises a heating piece and the through hole.
In one embodiment, the cutting is laser cutting.
An electronic cigarette comprises the heating component, the heating component prepared by the preparation method of the heating component or the atomizer.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Some embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and 2, an atomizer 10 of an embodiment includes an oil reservoir 110 and a heat generating assembly 120.
The oil storage chamber 110 is used for storing tobacco tar and has an oil outlet 111.
The heating assembly 120 is used for atomizing tobacco tar, and the heating assembly 120 comprises a base 121 and a heating member 123. The substrate 121 is porous ceramic, and the substrate 121 has a liquid guiding surface 121a and an atomizing surface 121b opposite to the liquid guiding surface 121a, and the liquid guiding surface 121a is disposed near the oil outlet 111. The tobacco tar in the oil storage chamber 110 flows from the liquid guiding surface 121a to the atomizing surface 121b after entering the substrate 121, so as to be atomized, the substrate 121 is provided with a through hole 121c, and the through hole 121c extends from the liquid guiding surface 121a to penetrate through the atomizing surface 121b. In the present embodiment, the through hole 121c is perpendicular to the liquid guiding surface 121a and the atomizing surface 121b.
Specifically, the material of the substrate 121 is at least one of diatomaceous earth, quartz, alumina, silicon carbide, and cordierite. Of course, in other embodiments, the material of the base 121 is not limited to the above description, as long as it can be a material for preparing porous ceramics. The porosity of the matrix 121 is 48% -60%, and the thickness of the matrix 121 is 1.5 mm-3.0 mm. Of course, the thickness of the base 121 is not limited to the above description, and may be adjusted as needed.
Further, the aperture of the through hole 121c is 0.1mm to 0.8mm. Further, the aperture of the through hole 121c is 0.3mm to 0.5mm. The aperture of the through hole 121c is set as described above, so that the liquid discharge is smooth and no liquid leakage occurs. If the aperture of the through hole 121c is too small, the ventilation effect is not obvious, and the liquid guiding effect is not obvious.
Specifically, the number of through holes 121c is at least one. When the number of through holes 121c is plural, the plural through holes 121c are provided at intervals in the base 121, and the plural through holes 121c are provided along the flow direction of the tobacco tar. Further, the number of through holes 121c is two. Setting the number of the through holes 121c to two can make the flow rate of the whole tobacco tar more uniform. Of course, the shape of the through hole 121c is not particularly limited as long as it penetrates the base 121.
In one embodiment, the thickness of the substrate 121 is 1.5mm to 3.0mm, the aperture of the through holes 121c is 0.1mm to 0.8mm, the number of the through holes 121c is two, and the two through holes 121c are formed on the substrate 121 at intervals.
The heat generating member 123 is provided on the atomizing surface 121b for providing a heat source to atomize the tobacco tar. Specifically, the heat generating member 123 includes a heat generating circuit 123a and a contact electrode 123b. The contact electrodes 123b are provided at both ends of the heat generating circuit 123a for connecting the power supply and the heat generating circuit 123a. Further, the width of the heat generating circuit 123a is 0.3mm to 0.5mm, and the thickness is 40 μm to 80 μm. The contact electrode 123b has a width of 1mm to 2mm, a thickness of 10 μm to 50 μm, and a length of 2mm to 4mm.
In one embodiment, the contact electrodes 123b are stripe-shaped, the number of the contact electrodes 123b is two, and the two contact electrodes 123b are spaced apart. The heat generating circuit 123a is disposed between the two contact electrodes 123b in an S-shape, two ends of the heat generating circuit 123a are respectively electrically connected to one ends of the two contact electrodes 123b, and the through hole 121c is close to a junction between the contact electrode 123b and the heat generating circuit 123 a.
In the illustrated embodiment, the contact electrode 123b is rectangular, two contact electrodes 123b are arranged in parallel at intervals, the heat generating circuit 123a is S-shaped and is located between the two contact electrodes 123b, and two through holes 121c are provided inside the two contact electrodes 123b and are located on both sides of the heat generating circuit 123 a. Of course, in other embodiments, the thickness, shape and size of the contact electrode 123b are not limited to the above description, and the thickness, shape and size of the heating circuit 123a are not limited to the above description, and can be adjusted according to practical requirements.
In one embodiment, the atomizer 10 further includes a liquid guide 130. The liquid guide 130 is disposed on the liquid guide surface 121a for absorbing tobacco tar. Typically, the liquid guide 130 is kept wet to continuously atomize the tobacco tar, thereby avoiding burning due to too little tobacco tar in direct contact with the substrate 121. In addition, when the aperture of the through hole 121c is larger and the liquid guide is not smooth, the liquid guide member 130 can also make the tobacco tar flow out of the through hole 121c directly without atomization, so that the utilization rate of the tobacco tar is improved and the safety of the electronic cigarette is improved. Further, the liquid guide member 130 is liquid guide cotton, and the thickness of the liquid guide member 130 is 0.4 mm-0.8 mm. Of course, in other embodiments, the liquid guide 130 is not limited to liquid guide cotton, and other materials having liquid guide function commonly used in the art may be used. The thickness of the liquid guide 130 is not limited to the above description, and may be adjusted according to actual requirements.
In the illustrated embodiment, the liquid guide 130 completely covers the liquid guide surface 121a. Of course, in other embodiments, the liquid guide 130 may cover a portion of the liquid guide surface 121a, as long as the liquid guide 130 completely shields the through hole 121 c.
In one embodiment, the atomizer 10 further comprises a seal 150. A seal 150 is provided between the chamber wall of the oil storage chamber 110 and the side wall of the base 121 to seal the gap between the oil storage chamber 110 and the base 121. Specifically, the sealing member 150 has a receiving chamber communicating with the oil storage chamber 110, an outer wall of the sealing member 150 is sealingly connected to a side wall of the oil storage chamber 110, and the base 121 is received in the receiving chamber and sealingly connected to the side wall of the receiving chamber. Further, the sealing member 150 is formed by connecting a hollow thick portion 151 and a hollow thin portion 153, the thick portion 151 and the thin portion 153 have the same central axis, a groove is formed at the connection between the thick portion 151 and the thin portion 153, and the base 121 abuts against the groove. Further, the thickness of the thick portion 151 is 1.3mm to 1.5mm, and the thickness of the thin portion 153 is 0.4mm to 0.8mm.
In the illustrated embodiment, liquid guide 130 shields oil outlet 111, and the side wall and a portion of the surface of liquid guide 130 near oil outlet 111 meet seal 150, liquid guide 130 shielding through hole 121c.
In use of the atomizer 10, the tobacco tar in the oil storage chamber 110 flows out of the oil storage chamber 110 from the oil outlet 111, reaches the atomizing surface 121b of the base 121 via the liquid guiding surface 121a of the base 121, and is then atomized by heating the atomizing surface 121b of the base 121 via the heating element 123, thereby forming smoke. According to the atomizer 10, the through holes 121c with the same flowing direction as the tobacco tar are formed in the base 121, so that the oil storage cavity 110 is more easily communicated with the outside and is not easy to form negative pressure along with consumption of the tobacco tar, and further the tobacco tar in the oil storage cavity 110 can continuously reach the atomizing surface 121b of the base 121, so that the atomizer 10 is not easy to produce burnt smell due to dry burning, and the user experience is improved.
An electronic cigarette according to an embodiment includes the above-described atomizer 10 or the above-described heating element 120.
The electronic cigarette includes the atomizer 10 or the heating component 120, which is not easy to generate scorched smell due to unsmooth liquid guiding, and improves user experience.
Referring to fig. 2 to 3, a method for manufacturing a heat generating component 120 according to an embodiment includes steps of forming a through hole 121c in a substrate 121 and manufacturing a heat generating member 123. Specifically, the method includes steps S110 to S140.
Step S110, preparing a substrate 121.
Specifically, the green body is shaped and then sintered to obtain the base 121. The material of the substrate 121 is at least one of diatomaceous earth, quartz, alumina, silicon carbide, and cordierite. Of course, in other embodiments, the material of the base 121 is not limited to the above description, as long as porous ceramics can be prepared. Further, the sintering temperature is 1000-1180 ℃, and the porosity of the substrate 121 is 48-60%.
In the present embodiment, the blank has a plate shape, and the thickness of the base 121 is 1.5mm to 3.0mm. Of course, in other embodiments, the shape, thickness and size of the embryo body may be designed according to specific needs. Of course, when a plurality of substrates 121 are prepared in an array, the thickness of the substrates 121 should not be too thick, otherwise the deformation amount during sintering is large.
Step S120, preparing the heat generating element 123 on the substrate 121.
Specifically, the step of preparing the heat generating member 123 on the base 121 includes preparing the heat generating circuit 123a and preparing the contact electrode 123b.
In one embodiment, the step of preparing the heat generating member 123 on the base 121 includes forming a circuit pattern by printing on the atomized surface 121b, and then sintering to obtain a heat generating circuit 123a, and then forming an electrode pattern by printing on the base 121 on which the heat generating circuit 123a is formed, wherein the electrode pattern is connected to the heat generating circuit 123a, and then sintering to obtain a contact electrode 123b, using one surface of the base 121 as the atomized surface 121 b. Further, in the step of preparing the heat generating circuit 123a, the sintering temperature is 950 ℃ to 1100 ℃. In the step of preparing the contact electrode 123b, the sintering temperature is 950 ℃ to 1100 ℃, and the sintering temperature in the step of preparing the contact electrode 123b is smaller than the sintering temperature in the step of preparing the heat generating circuit 123 a.
In this embodiment, the step of preparing the heat generating member 123 on the base 121 includes providing a first template, disposing the first template on the atomizing face 121b, printing a plurality of circuit patterns disposed at intervals (for example, in an array distribution) on the atomizing face 121b on the first template, and then sintering to obtain a plurality of heat generating circuits 123a, and then providing a second template, disposing the second template on the atomizing face 121b, printing a plurality of electrode patterns each connected to both ends of the corresponding heat generating circuit 123 b on the second template, and then sintering to form a plurality of heat generating members 123 disposed at intervals.
In one embodiment, the width of the heat generating circuit 123a is 0.3mm to 0.5mm, and the thickness is 40 μm to 80 μm. The contact electrode 123b has a width of 1mm to 2mm, a thickness of 10 μm to 50 μm, and a length of 2mm to 4mm.
In the illustrated embodiment, the contact electrode 123b is rectangular, two contact electrodes 123b are arranged in parallel at a spacing, and the heat generating circuit 123a is S-shaped and is located between the two contact electrodes 123 b. Of course, in other embodiments, the thickness, shape and size of the contact electrode 123b are not limited to the above description, and the thickness, shape and size of the heating circuit 123a are not limited to the above description, and can be adjusted according to practical requirements.
Of course, the steps of preparing the heat generating circuit 123a and the steps of preparing the contact electrode 123b are not strictly sequential, and in other embodiments, the contact electrode 123b may be prepared first and then the heat generating circuit 123a may be prepared. Of course, in other embodiments, the circuit pattern and the electrode pattern may be prepared first, and then the circuit pattern and the electrode pattern may be sintered synchronously to obtain the heat generating member 123.
Step S130, a through hole 121c is formed in the substrate 121.
Specifically, a laser is used to open the through hole 121c in the base 121. Further, the aperture of the through hole 121c is 0.1mm to 0.8mm. Further, the aperture of the through hole 121c is 0.3mm to 0.5mm. Of course, in other embodiments, the through hole 121c may be formed in other manners commonly used in the art, and the extending direction of the through hole 121c is the same as the flowing direction of the tobacco tar. In the illustrated embodiment, each heat generating member 123 has two through holes 121c, and the two through holes 121c are disposed at intervals inside the two contact electrodes 123b and on both sides of the heat generating circuit 123 a.
In the present embodiment, the through hole 121c is opened in the base 121 after the heat generating member 123 is prepared. Of course, in other embodiments, the heat generating element 123 may be prepared after the through hole 121c is opened in the base 121.
Step S140, cutting to obtain the heat generating component 120.
Specifically, a plurality of heat generating components 120 are obtained by cutting a plurality of substrates 121 having heat generating members 123 with laser. Each heat generating component 122 has a heat generating member 123 and a corresponding through hole 121c. In this embodiment, the laser power is 500W to 1000W. The laser cutting can sinter the cutting edge by the energy of laser, so that the powder falling from the cutting edge is prevented. Of course, in other embodiments, other cutting methods commonly used in the art may be used to cut the substrate 121 having the plurality of heat generating elements 123.
The preparation method of the heating component 120 comprises the steps of preparing the substrate 121, preparing a plurality of heating elements 123 and the opening holes 121c on the substrate 121, and finally cutting to obtain a plurality of heating components 120, thereby improving the production efficiency. In addition, in the above manufacturing method of the heat generating component 120, since the dimensional change amount of the substrate 121 before and after sintering can be determined, that is, the thickness of the substrate 121 after sintering is a constant value, the substrate 121 and the heat generating circuit 123a are prevented from being deformed simultaneously when the substrate 121 and the heat generating circuit 123a are sintered simultaneously. In addition, when the heat generating circuit 123a is subsequently sintered, the deformation amount of the heat generating circuit 123a is also very small. Therefore, the above-mentioned manufacturing method of the heat generating component 120 also avoids the problem of large difference between the actual size and the design size caused by sintering the substrate 121 together with the heat generating circuit 123a and the contact electrode 123b, and can precisely control the size of each heat generating element.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.