CN217722699U - Composite heating body with multiple air holes - Google Patents
Composite heating body with multiple air holes Download PDFInfo
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- CN217722699U CN217722699U CN202220987782.2U CN202220987782U CN217722699U CN 217722699 U CN217722699 U CN 217722699U CN 202220987782 U CN202220987782 U CN 202220987782U CN 217722699 U CN217722699 U CN 217722699U
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Abstract
The utility model provides a composite heating element with multiple vent holes, which comprises a ceramic matrix (101) and a heating element (102), wherein the ceramic matrix (101) is at least provided with two vent holes, one of which is a main vent hole (10102) and longitudinally penetrates through the ceramic matrix (101); the main vent hole (10102) bypass is further provided with at least one auxiliary vent hole (10101), the auxiliary vent hole (10101) also longitudinally penetrates through the ceramic substrate (101), and an auxiliary vent pipe (103) with a wall material impermeable to smoke oil is arranged in the auxiliary vent hole (10101). The utility model discloses a compound heat-generating body can completely cut off the tobacco tar through addding the auxiliary ventilation pipe, prevents the tobacco tar infiltration, and the air vent of having solved current electron atomizing device blocks up the problem that leads to unable suction because of tobacco tar infiltration and aerogel condensation.
Description
Technical Field
The utility model belongs to the technical field of the electronic atomization, concretely relates to compound heat-generating body with lead to gas pocket more.
Background
The electronic atomization refers to atomizing liquid into small aerogel particles in a heating or ultrasonic oscillation mode. With the continuous improvement and innovation of the atomization technology, the technology is widely applied to the field of living homes and medical treatment, such as a humidifier, an aromatherapy machine and medical atomization treatment which are common in life.
The electronic atomization device mainly comprises an atomizer and a power supply, wherein a core component of the atomizer is a heating body. The heating element of the electronic atomization device on the market is mostly made of porous ceramics. However, the ceramic heating element has poor comprehensive performance, and particularly, the existing vertical ceramic heating element is generally in a hollow columnar structure, only one vent hole is formed in the hollow columnar structure, and the heating element is wound inside the vent hole. When high-viscosity liquid tobacco tar permeates into the vent hole, the vent hole can be blocked by the heating body structure. Meanwhile, aerosol generated after the tobacco tar atomization in the air vent is condensed into liquid drops and then flows back to block the air vent. When the air vent took place to block up, external cold air was difficult to get into, leads to only being heated atomizing smog from the air vent in to the low reaches escape and do not have the outside air to carry and cool off it, and the smog temperature that can make the suction under this condition is too high, and the concentration is great, and the suction resistance is big, seriously influences the suction and experiences. The mode that the heat-generating body preheated is mostly adopted to current scheme, but this mode can greatly increased whole atomizing device's cost to can not solve the unable suction's of venthole jam problem from the root. In order to solve the above problems, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
One aspect of the present invention provides a composite heating element with multiple ventilation holes, which comprises a ceramic substrate 101 and a heating element 102.
The ceramic substrate 101 is provided with at least two vent holes, one vent hole is a main vent hole 10102 and longitudinally penetrates through the ceramic substrate 101; the main vent hole 10102 is bypassed by at least one auxiliary vent hole 10101, and the auxiliary vent hole 10101 also longitudinally penetrates through the ceramic substrate 101.
The ceramic base 101 has a liquid suction surface and an atomization surface. The liquid absorbing surface is the outer surface of the ceramic substrate and is used for being in direct contact with the tobacco tar. The atomizing surface is the internal surface of main air vent 10102 for form smog with the tobacco tar atomizing.
An auxiliary vent pipe 103 with a wall material impermeable to smoke and oil is arranged in the auxiliary vent hole 10101, the height of the auxiliary vent pipe 103 is not less than the height of the auxiliary vent hole 10101, and the heating element 102 is arranged in the main vent hole 10102 or at least partially embedded in the ceramic substrate 101.
Preferably, the heat generating element 102 is attached to an inner wall of the main vent hole 10102.
Preferably, the material of the ceramic matrix 101 is selected from one or more of alumina, silicon carbide, silicon nitride and aluminum nitride.
Preferably, the porosity of the ceramic matrix 101 is 30% to 70%.
Preferably, the ceramic matrix 101 has an average pore size of 5 to 100 μm.
Preferably, the thickness of the ceramic substrate 101 is 2mm to 10mm.
Preferably, the diameter of the auxiliary vent pipe (103) is 0.1mm-2mm, and the material is ceramic or metal or other high-temperature resistant materials.
Preferably, the heating element 102 is a metal heater, a metal heater wire or a metal heating film.
Preferably, the heating element 102 is linear, dog-leg, arc, or threaded.
The utility model discloses beneficial effect:
the utility model discloses a ceramic base member of compound heat-generating body is equipped with two air vents at least, and an air vent is main air vent, vertically runs through the ceramic base member, and main air vent internal surface is the atomizing face for form smog with the tobacco tar atomizing. The main vent bypass is also provided with at least one auxiliary vent, the auxiliary vent also longitudinally penetrates through the ceramic substrate, an auxiliary vent pipe with a wall material which is not permeable to smoke oil is arranged in the auxiliary vent, and the height of the auxiliary vent pipe is not less than that of the auxiliary vent pipe. The utility model discloses an add supplementary breather pipe, can completely cut off the tobacco tar, prevent the tobacco tar infiltration, the air vent of having solved current electronic atomization device is because tobacco tar infiltration and aerogel condensation and is blockked up the problem that leads to unable suction, because in case main air vent is blockked up by the tobacco tar, under user's suction effect, supplementary air vent can send into compound heat-generating body low reaches with the outside air in addition, mixes with smog and cools down and dilutes, ensures that the smog temperature is suitable and the suction resistance is suitable.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the composite heating element of the present invention.
Fig. 2 is a schematic view of the ceramic matrix three-dimensional structure of the composite heating element of the present invention.
Fig. 3 is a schematic view of the decomposition structure of the composite heating element of the present invention.
Fig. 4 is a schematic sectional view of an atomizing device having a composite heat generating element with multiple vents according to embodiment 3 of the present invention.
FIG. 5 is a schematic diagram of a hollow columnar alumina ceramic heating element of comparative example 1 of the present invention having only one central air vent.
The reference numerals are specifically as follows:
1-composite heating element;
101-a ceramic matrix;
10101-auxiliary vent hole;
10102-main vent;
102-a heating element;
103-an auxiliary snorkel;
2-an air channel pipe;
3-an oil storage bin;
4-sealing silica gel;
5, a suction nozzle;
6-a power supply;
8-traditional heating element;
801-traditional alumina ceramic matrix;
802-a heating element.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
As shown in fig. 1, a composite heating element 1 having a plurality of ventilation holes includes a ceramic base 101 and a heating element 102. The ceramic base 101 is a hollow columnar structure made of alumina and has a diameter of 5mm.
The ceramic substrate 101 is provided with two vent holes, one vent hole penetrates through the center of the ceramic substrate 101 and is a main vent hole 10102, the diameter of the vent hole is 2mm, the material is selected from alumina, the porosity of the vent hole is 55%, and the pore diameter of the vent hole is 35 microns. Two auxiliary vent holes 10101 are arranged on the main vent hole 10102 in a bypass mode, and the auxiliary vent holes 10101 penetrate through the ceramic substrate 101 and are parallel to the main vent hole 10102.
An auxiliary vent pipe 103 with a wall material impermeable to smoke and oil is further inserted into the auxiliary vent hole 10101, the height of the auxiliary vent pipe 103 is not smaller than that of the auxiliary vent hole 10101, the auxiliary vent pipe 103 is of a tubular structure, the inner diameter of the auxiliary vent pipe is 0.5mm, the outer diameter of the auxiliary vent pipe is 1mm, and the auxiliary vent pipe is made of a titanium alloy pipe.
The ceramic base 101 has a liquid suction surface and an atomization surface. The liquid absorbing surface is the outer surface of the ceramic substrate 101 and is used for being in direct contact with the tobacco tar. The atomizing surface is the inner surface of the main air vent 10102 and is used for atomizing tobacco tar to form smoke.
The heating element 102 is formed by winding a metal wire and is attached to the inner wall surface of the main vent 10102 of the ceramic substrate 101.
Example 2
As shown in fig. 4, an atomizing device having a multiple-vent composite heating element. The device comprises a composite heating body 1, an air channel pipe 2, an oil storage bin 3, sealing silica gel 4, a suction nozzle 5 and a power supply 6.
The oil storage bin 3 is of a hollow structure, and the upper part of the oil storage bin is tightly connected with the sealing silica gel 4.
The composite heating body 1 is positioned in the air channel pipe 2 and is of a hollow columnar structure, the axial outer surface of the composite heating body 1 is a liquid absorbing surface, and the axial inner surface of the main air vent 10102 is an atomizing surface.
The air passage pipe 2 is of a hollow tubular structure, oil inlet holes are formed in the two sides of the air passage pipe and located inside the oil storage bin, and the composite heating body 1 is installed on the inner side of the air passage pipe.
The power supply 6 is arranged at the bottom of the whole atomization device and used for controlling the output of the whole atomization device.
Comparative example 1
As shown in fig. 5, the present comparative example is a conventional heating element 8 of a hollow columnar shape having only one central vent hole, and includes a conventional alumina ceramic base 801 and a heating element 802, where the conventional alumina ceramic base 801 is prepared by the following specific steps: preparing alumina slurry containing 50 wt% of pore-forming agent by adopting a planetary ball mill, casting, laminating and sintering the slurry into a traditional alumina ceramic substrate 801 with the diameter of 5mm and the vent hole of 2mm by adopting a casting machine and a PE (polyethylene) film as a bearing film. The traditional alumina ceramic matrix 801 is detected to have the pore diameter of 35 μm and the porosity of 55%.
The ceramic substrates of example 1 and comparative example 1 above were each prepared at 1000pcs in the manner of comparative example 1.
The ceramic substrates of example 1 and comparative example 1, each having substantially the same resistance, were selected at 500pcs and loaded into the atomizer of example 3, and a pure tobacco tar liquid was injected into the oil storage bin and left to stand in a thermostat at 0 ℃ for 3 hours. And (5) taking out the atomizer after standing for 3 hours, continuously sucking 5 mouths, observing whether the atomizer works normally or not, and continuously and circularly testing for 10 times.
The comparative test results are shown in the following table:
| types of | Porosity of the material | Pore diameter | Resistance range | Functional test yield | Analysis of causes of failure |
| Example 1 | 55％ | 35μm | 1.0Ω | 100％ | Is free of |
| Comparative example 1 | 55％ | 35μm | 1.0Ω | 70％ | Hole blockage by smoke oil observed with magnifier |
Can know by above-mentioned test result the utility model discloses the supplementary breather pipe of addding can completely cut off the tobacco tar, prevents the tobacco tar infiltration, has solved because the tobacco tar infiltration leads to main air vent to be blockked up and then the problem of unable suction with the aerogel condensation.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A composite heating element with multi-vent holes comprises a ceramic substrate (101) and a heating element (102); the ceramic substrate (101) is at least provided with two vent holes, one vent hole is a main vent hole (10102) and longitudinally penetrates through the ceramic substrate (101); the main air vent (10102) is provided with at least one auxiliary air vent (10101) in a bypass way, and the auxiliary air vent (10101) also longitudinally penetrates through the ceramic substrate (101); an auxiliary vent pipe (103) with a wall material not penetrating smoke oil is arranged in the auxiliary vent hole (10101), the height of the auxiliary vent pipe (103) is not smaller than that of the auxiliary vent hole (10101), and the heating element (102) is arranged in the main vent hole (10102) or at least partially embedded in the ceramic substrate (101).
2. A composite heat-generating body as described in claim 1, characterized in that the porosity of the ceramic base (101) is 30 to 70% and the average pore diameter is 5 to 100 μm.
3. A composite heat-generating body as described in claim 1, wherein the heat-generating element (102) is attached to an inner wall of the main vent hole (10102).
4. A composite heat-generating body as described in claim 1, characterized in that the thickness of said ceramic base (101) is 2mm to 10mm.
5. A composite heating element as set forth in claim 1, characterized in that the diameter of said auxiliary vent pipe (103) is 0.1mm-2mm, and the material is ceramic or metal or other high temperature resistant material.
6. A composite heat-generating body as described in claim 1, characterized in that the heat-generating element (102) is a metal heat-generating body, a metal heat-generating wire or a metal heat-generating film.
7. A composite heat-generating body as described in claim 1, characterized in that said heat-generating element (102) is in a straight line shape, a zigzag shape, an arc shape or a screw shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987782.2U CN217722699U (en) | 2022-04-24 | 2022-04-24 | Composite heating body with multiple air holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987782.2U CN217722699U (en) | 2022-04-24 | 2022-04-24 | Composite heating body with multiple air holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217722699U true CN217722699U (en) | 2022-11-04 |
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ID=83817439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220987782.2U Active CN217722699U (en) | 2022-04-24 | 2022-04-24 | Composite heating body with multiple air holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217722699U (en) |
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- 2022-04-24 CN CN202220987782.2U patent/CN217722699U/en active Active
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