CN211091864U - Novel porous ceramic heating element - Google Patents
Novel porous ceramic heating element Download PDFInfo
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- CN211091864U CN211091864U CN201921348835.0U CN201921348835U CN211091864U CN 211091864 U CN211091864 U CN 211091864U CN 201921348835 U CN201921348835 U CN 201921348835U CN 211091864 U CN211091864 U CN 211091864U
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- porous ceramic
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- oil storage
- heating
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Abstract
The utility model provides a novel porous ceramic heating element, which comprises a porous ceramic base body, a heating part and at least one oil storage chamber; the heating part is combined on the surface of the porous ceramic substrate; the oil storage chamber is arranged inside the porous ceramic matrix. The utility model discloses a set up the oil storage chamber and adjust the smog volume, under the relative lower porosity condition, can guarantee porous material's intensity, be difficult for leaking behind the smoking oil, also can guarantee required smog volume after the heating.
Description
Technical Field
The utility model relates to a porous ceramic heat-generating body.
Background
The porous ceramic heating element is a high-efficiency environment-friendly energy-saving ceramic heating element, and a high-melting-point metal heating resistance material is arranged on a porous ceramic sintered body according to the design requirement of a heating circuit. Has the advantages of corrosion resistance, high temperature resistance, uniform heating, high porosity, stable chemical property and the like. The porous ceramic heating element is widely applied to an atomizer which needs to be heated and heated on an electronic cigarette.
The electronic atomizer is a so-called electronic cigarette, which is a former name of a healthy electronic cigarette. The product is a novel product between electronic components and food, and is originally appeared in China in 2005. The cigarette is the biggest difference from the traditional cigarette, namely the cigarette does not burn, does not contain toxic substances such as tar, carbon monoxide, nitrous acid and the like, and does not have second-hand smoke which greatly influences surrounding people.
The electronic atomizer belongs to porous ceramic heating element, general porous ceramic heating element, and its main constitution mainly includes porous ceramic base member, the part that generates heat, and wherein porous ceramic base member is the main part of storing the tobacco tar in the electronic cigarette atomizer, requires to guarantee that the tobacco tar does not reveal, can let the part that generates heat produce certain smog volume after heating simultaneously again.
The porosity of the porous ceramic matrix of the existing porous ceramic heating body is unstable, and the size of pores is difficult to adjust, so that the porosity of the pores is too high, and the strength is poor; or the porosity is too low, the smoke amount is small after heating, the smoke permeation is slow, and the problem of easy dry burning is solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a novel porous ceramic heat-generating body, through setting up the oil storage chamber adjustment smog volume, under the relative lower porosity condition, can guarantee porous material's intensity, be difficult for leaking behind the smoking oil, also can guarantee required smog volume after the heating.
The utility model discloses a realize like this: a novel porous ceramic heat-generating body comprising:
A porous ceramic matrix;
A heat generating portion bonded to a surface of the porous ceramic substrate; and
And the at least one oil storage chamber is arranged inside the porous ceramic matrix.
Further, according to the utility model discloses a specific embodiment, porous ceramic base member divide into first base member layer and second base member layer, the oil storage chamber is in between first base member layer and the second base member layer.
Further, according to the utility model discloses a specific embodiment, the oil storage chamber is by the organic thick liquids of pore-forming agent through the screen printing technology combine in first base member layer or on the second base member layer, form after the binder removal sintering volatilizees again.
The utility model has the advantages that: the utility model discloses set up the oil storage chamber in the inside of porous ceramic base member, can pass through the size of oil storage chamber and the storage oil mass of quantity adjustment porous ceramic heat-generating body, so, even when the porosity of porous ceramic heat-generating body is lower, through the printing oil storage chamber, also can guarantee the storage oil mass of porous ceramic heat-generating body and the intensity of porous ceramic base member simultaneously. In addition, the oil storage chamber can be realized by adopting screen printing and then discharging, sintering and volatilizing, and is simple and easy to implement.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic view of the decomposition structure of the porous ceramic heating element of the present invention.
Fig. 2 is a schematic diagram of the longitudinal sectional structure of the porous ceramic heating element of the present invention.
Detailed Description
Referring to fig. 1 and 2, a porous ceramic heating element of the present invention includes a porous ceramic base 1, a heating portion 2, and at least one oil storage chamber 3.
The heating part 2 is combined on the surface of the porous ceramic substrate 1; and
The oil reservoir 3 is provided inside the porous ceramic base 1.
In a specific embodiment, to facilitate the realization of the oil reservoir chamber 3, the porous ceramic substrate 1 may be divided into a first substrate layer 11 and a second substrate layer 12, and the oil reservoir chamber 3 is located between the first substrate layer 11 and the second substrate layer 12.
The oil storage chamber 3 is hollow cavity, if directly dig the material in porous ceramic base member 1 and realize, the process is wayward, consequently the utility model discloses the implementation of oil storage chamber 3 is: and combining organic slurry of the pore-forming agent on the first substrate layer 11 or the second substrate layer 12 through a screen printing process, and then carrying out binder removal, sintering and volatilization to obtain the porous ceramic material.
The utility model discloses an implementation process is:
1. Porous ceramic matrix and oil reservoir: preparing a multilayer porous ceramic green ceramic chip A with the thickness of 0.05-1 mm by tape casting, respectively printing organic slurry containing pore-forming agents such as carbon, PMMA (polymethyl methacrylate) or cellulose on 1 or more layers of porous ceramic green ceramic chips with the tape casting thickness by adopting a screen printing process to obtain a porous ceramic green ceramic chip B, wherein the size of a screen printing pattern can be adjusted according to requirements, then laminating the multilayer porous ceramic green ceramic chip A and the 1 or more layers of porous ceramic green ceramic chips B according to a designed structure, performing isostatic pressing to obtain a porous ceramic green body, wherein the screen printing surface of the porous ceramic green chip B needs to be arranged inside the porous ceramic green body, performing gel discharge sintering on the green body, performing gel discharge sintering volatilization on the pattern with the screen printing organic slurry to form an oil storage chamber, and forming the porous ceramic green body into a porous ceramic matrix. Wherein the porosity of the porous ceramic substrate without the oil reservoir is 30 to 70%.
2. A heating part: and printing the resistance paste on the porous ceramic substrate through a screen printing plate with circuit patterns by adopting a screen printing process to form a heating circuit with a reverse structure, and sintering to form the porous ceramic heating body.
One specific implementation is provided below:
(1) Casting: preparing a porous ceramic green ceramic chip A with the thickness of 0.2mm by tape casting;
(2) Screen printing: printing the carbon slurry organic slurry on a layer of porous ceramic green ceramic chip by a screen printing plate with a certain pattern to obtain a porous ceramic green ceramic chip B, wherein the size of the screen printing pattern can be adjusted according to requirements;
(3) Laminating: stacking the seven layers of the porous ceramic green ceramic chips A and one layer of the porous ceramic green ceramic chip B together to form a laminated body, wherein the porous ceramic green ceramic chip B is a second layer in the sequence from top to bottom, and the screen printing surface faces upwards;
(4) Isostatic pressing: forming a porous ceramic blank by isostatic pressing the laminated body;
(5) And (3) binder removal and sintering: carrying out binder removal sintering on the porous ceramic biscuit, wherein patterns of the screen printing organic slurry are volatilized through binder removal sintering to form an oil storage chamber, the porous ceramic biscuit forms a porous ceramic matrix, and the porous ceramic matrix containing the oil storage chamber is obtained, wherein the porosity of the porous ceramic matrix without the oil storage chamber is about 40%;
(6) Screen printing: and printing the resistance paste on the porous ceramic substrate through a screen printing plate with circuit patterns to form a heating circuit with a reverse structure, and then sintering in a furnace to form the porous ceramic heating body.
The utility model discloses set up the oil storage chamber in the inside of porous ceramic base member, can pass through the size of oil storage chamber and the storage oil mass of quantity adjustment porous ceramic heat-generating body, so, even when the porosity of porous ceramic heat-generating body is lower, through the printing oil storage chamber, also can guarantee the storage oil mass of porous ceramic heat-generating body and the intensity of porous ceramic base member simultaneously. In addition, the oil storage chamber can be realized by adopting screen printing and then discharging, sintering and volatilizing, and is simple and easy to implement.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (1)
1. A novel porous ceramic heating body is characterized in that: the method comprises the following steps:
The porous ceramic matrix is divided into a first matrix layer and a second matrix layer;
A heat generating portion bonded to a surface of the porous ceramic substrate; and
And the oil storage chamber is provided with a hollow cavity and is arranged between the first substrate layer and the second substrate layer of the porous ceramic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348835.0U CN211091864U (en) | 2019-08-20 | 2019-08-20 | Novel porous ceramic heating element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348835.0U CN211091864U (en) | 2019-08-20 | 2019-08-20 | Novel porous ceramic heating element |
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| CN211091864U true CN211091864U (en) | 2020-07-28 |
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| CN201921348835.0U Active CN211091864U (en) | 2019-08-20 | 2019-08-20 | Novel porous ceramic heating element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193673A1 (en) * | 2021-03-15 | 2022-09-22 | 比亚迪精密制造有限公司 | Atomization core, atomization device and electronic cigarette |
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2019
- 2019-08-20 CN CN201921348835.0U patent/CN211091864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193673A1 (en) * | 2021-03-15 | 2022-09-22 | 比亚迪精密制造有限公司 | Atomization core, atomization device and electronic cigarette |
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