CN115886355A - Glass heating sheet and preparation method thereof - Google Patents

Abstract

The invention relates to the technical field of liquid atomization, in particular to a glass heating sheet and a preparation method thereof, comprising a glass body, a permeation area, and a heat generation layer. The glass body is formed by bonding two layers of sheet glass; Composed of micropores, the micropores run through the glass body, and the micropores can allow liquid to pass through at least when subjected to negative pressure; the heat generating layer is arranged between two layers of sheet glass, at least one of the two layers of sheet glass has The electrodes are used for conducting electricity in the heat-generating layer, and the heat-generating layer is used for heating the liquid through the micropores to form aerosol. The invention solves the existing problem that the liquid locked in the micropore is sucked out by negative pressure when starting, and can quickly heat and atomize the locked liquid, has high atomization efficiency, stable and reliable structure, and good practicability.

Description

Glass heating sheet and preparation method thereof

technical field

The invention relates to the technical field of liquid atomization, in particular to a glass heating sheet and a preparation method thereof.

Background technique

The electronic atomization device includes an atomization device and a power supply for supplying power to the atomization device. A liquid storage cavity, an air flow channel and an electronic atomization component are built inside the atomization device. The power supply is provided with a containing groove, and the atomizing device is installed in the containing groove, and is electrically connected with the power supply. When the power supply supplies power to the electronic atomization component inside the atomization device, the atomization component atomizes the solution stored in the liquid storage chamber into an aerosol and discharges it.

The atomizing heating element is one of the necessary components of the atomizing device. Its function is to heat and atomize the liquid. The existing atomizing heating elements include heating wires, ceramic heating elements, wafer heating elements, etc. Traditional heating elements The sheet heats the liquid directly, and when it is used for some locked liquids, it will not be heated in time when it is sucked out, which will cause the sucked out liquid to form a large condensate, which will affect the atomization of the liquid.

Contents of the invention

In order to solve the above problems, the present invention provides a method that solves the existing problem that the liquid locked in the micropore is sucked out by negative pressure when it is started, and can quickly heat and atomize the locked liquid, with high atomization efficiency and structure The invention discloses a stable, reliable and practical glass heating sheet and a preparation method thereof.

The technical solution adopted in the present invention is: a glass heating sheet, including a glass body, a permeation area, and a heat generation layer, the glass body is formed by bonding two layers of sheet glass; the permeation area is composed of a plurality of micro The micropores run through the glass body, and the micropores can allow liquid to pass through at least when subjected to negative pressure; the heating layer is arranged between two layers of the sheet glass, and the two layers of the sheet At least one layer of the glass has electrodes for conducting electricity to the heat generating layer for forming aerosol by heating the liquid through the micropores.

A further improvement to the above solution is that the thickness of the sheet glass is 0.01mm-0.5mm; the width of the glass body is 0.5-10mm; the length of the glass body is 2.0mm-20mm.

A further improvement to the above solution is that the heat generating layer is interposed between two layers of sheet glass through a film.

A further improvement to the above solution is that the heating layer includes a heating circuit, and the two ends of the heating circuit are respectively connected to positive and negative contact pads, and the contact pads are connected to electrodes.

A further improvement to the above solution is that the two layers of sheet glass are formed into one through compound connection.

A further improvement to the above solution is that the apertures of the micropores in the two layers of sheet glass are different; the apertures of the upper layer of the two layers of sheet glass are larger than the apertures of the lower layer of micropores.

A further improvement to the above solution is that the micropores are located on the outer periphery of the heat generating layer.

A method for preparing a glass heating sheet, comprising the steps of:

Step S1, preparing a large piece of glass and cleaning the surface of the large piece of glass;

Step S2, processing and forming a plurality of evenly arranged heating layers on the cleaned surface of the large piece of glass;

Step S3, drilling holes on the large piece of glass by laser, and processing and forming micro-holes on the outer periphery of the heating layer;

In step S4, the large piece of glass is cut to form a plurality of glass sheets, and the production of the glass heating sheet is completed.

A further improvement to the above solution is that multiple heat-generating layers are molded on the cleaned surface of a large piece of glass by sputtering or coating.

A further improvement to the above solution is that in the step S3, before the laser drilling, another large piece of glass is compounded on the cleaned surface of the large piece of glass, and the heating layer is clamped between two large pieces of glass, one of which is The glass has electrodes in contact with both ends of the large piece of glass.

The beneficial effects of the present invention are:

Compared with the existing heat generating sheet, the present invention adopts a glass body formed by bonding double-layer sheet glass to each other, and places the heat generating layer between the two, and also has a permeable area for liquid penetration. When in use, through The heating layer is connected to electric heating, which can heat the liquid in the permeation area to form a mist, with high heating efficiency. Since the heating layer is between the two layers of glass, the heating is more uniform, and the liquid that locks oil in the micropores can also be atomized. Reduce the generation of condensate and improve the atomization effect. It solves the existing problem that the liquid locked in the micropore is sucked out by negative pressure when it is started, and the locked liquid can also be rapidly heated and atomized, with high atomization efficiency, stable and reliable structure, and good practicability. Specifically, a glass body, a permeation area, and a heating layer are provided, the glass body is formed by bonding two layers of sheet glass; the permeation area is composed of a plurality of micropores, and the micropores penetrate the glass The body, the micropores can allow liquid to pass through at least when subjected to negative pressure; the heating layer is arranged between two layers of sheet glass, at least one of the two layers of sheet glass has electrodes, and the electrodes use Conducting electricity in the heat-generating layer, which is used for liquid heating through micropores to form aerosol. Electrodes are set on one layer of sheet glass to supply power to the heating layer, which facilitates the connection of electricity to the heating layer. The heating sheet with a sandwich structure has high heating efficiency and good stability for the liquid.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the double-sided heating glass heating sheet of the present invention;

Fig. 2 is a three-dimensional schematic diagram of another viewing angle of the double-sided heating glass heating sheet in Fig. 1;

Fig. 3 is a schematic side view of the double-sided heating glass heating sheet in Fig. 1;

FIG. 4 is a schematic diagram of uniform distribution of the glass body of the double-sided heating glass heating sheet in FIG. 1 .

Description of reference numerals: glass body 1 , sheet glass 11 , electrode 111 , permeation zone 2 , micropore 21 , heating layer 3 , heating circuit 31 , contact plate 32 .

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

Example 1

In one embodiment of the present invention, as shown in Figures 1 to 4, it relates to a glass heating sheet, which is provided with a glass body 1, a permeation area 2, and a heating layer 3, and the glass body 1 is composed of two layers The sheets of glass 11 are formed by bonding each other; the permeable area 2 is composed of a plurality of micropores 21, the micropores 21 run through the glass body 1, and the micropores 21 can allow liquid to pass through at least when subjected to negative pressure; The heat generating layer 3 is arranged between two layers of the sheet glass 11, at least one of the two layers of the sheet glass 11 has an electrode 111, and the electrode 111 is used for the conduction of the heat generating layer 3, and the heat generating layer 3 is used for The aerosol is formed due to the heating of the liquid passing through the pores 21.

Example 2

In another embodiment of the present invention, as shown in Figures 1 to 4, it relates to a glass heating sheet, which is provided with a glass body 1, a permeation area 2, and a heating layer 3, and the glass body 1 is composed of two layers The sheets of glass 11 are formed by bonding each other; the permeable zone 2 is composed of a plurality of micropores 21, the micropores 21 run through the glass body 1, and the micropores 21 can allow liquid to pass through at least when subjected to negative pressure The heating layer 3 is arranged between two layers of the sheet glass 11, at least one of the two layers of the sheet glass 11 has an electrode 111, and the electrode 111 is used for the heating layer 3 to conduct electricity, and the heating layer 3 The liquid used to pass through the pores 21 is heated to form an aerosol. The thickness of the sheet glass 11 is 0.01 mm to 0.5 mm; the width of the glass body 1 is 0.5 to 10 mm; the length of the glass body 1 is 2.0 mm to 20 mm. Cooperate with the formed glass body 1, and choose a better size for use in the atomization device, which is convenient for installation and compact in structure.

The improvement to the above-mentioned embodiment is that the heating layer 3 is coated between the two sheets of glass 11, and is formed by coating, which is convenient to manufacture and suitable for mass production. The overall temperature rise efficiency of the glass heating sheet is slow, and the coating generates heat. The line can reach above 100°C in 0.3s.

The improvement to the above embodiment is that the heating layer 3 includes a heating circuit 31, and the two ends of the heating circuit 31 are respectively connected to the positive and negative contact pads 32, the contact pads 32 are connected to the electrodes 111, and the two ends are provided with the contact pads 32 It is used to connect and conduct electricity with the electrode 111, and at the same time, a heating circuit 31 is provided for heating, and the heating is realized through the power supply control resistor. During heating, the resistance value of the heating circuit 31 is 1.0-1.3Ω, the dry burning temperature is 600-700°C, and the heating efficiency of the heating circuit can reach above 100°C in 0.3s.

Example 3

In another embodiment of the present invention, the two layers of sheet glass 11 are formed into one body through compound connection, and the two layers of glass are compounded and molded, clamped and fixed with the heating layer 3 , and the two are combined to form a body, which has good integrity.

The improvement to any of the above-mentioned embodiments is that the apertures of the micropores 21 are different in the two layers of the sheet glass 11; Different pore sizes are used for liquid passage and oil retention, and after heating, the aerosol can be directed.

In each of the above embodiments, the glass heating element is tested, and the tested parameters are compared with the existing ceramic heating core, as shown in the following table for details:

Conclusion: The working temperature of the glass heating element is lower than that of the mainstream ceramic heating element in the market, but it can reach the average consumption close to the ceramic heating element, and it is safer and has a longer service life than the ceramic heating element.

Remark:

1. The test method for the change of the total particulate matter transmission in the smoke adopts the test method in "Appendix D Standard Smoking Conditions for Electronic Cigarettes" in the national standard for electronic cigarettes (GB 41700-2022).

2. The test results of the change of the total particulate matter transmission volume of the smoke refer to the relevant requirements of "Appendix C Determination of Atomized Gas Capture Volume" in the General Technical Specifications for Atomized Electronic Cigarette Devices (T/CECC 001-2021). The average gas consumption is related to user experience.

The present invention adopts a glass body 1 formed by bonding double-layer sheet glass 11 with each other, and places a heating layer 3 between the two, and also has a permeable area 2 for liquid penetration. When in use, the heating layer 3 is connected to Electric heating can heat the liquid in the permeation area 2 to form mist, and the heating efficiency is high. Since the heating layer 3 is between the two layers of glass, the heating is more uniform, and the liquid locked in the oil in the micropore 21 can also be mist It can reduce the generation of condensate and improve the atomization effect. It solves the existing problem that the liquid locked in the microhole 21 is sucked out by negative pressure when starting up, and the locked liquid can also be rapidly heated and atomized, with high atomization efficiency, stable and reliable structure, and good practicability. Specifically, a glass body 1, a permeation area 2, and a heat generating layer 3 are provided, the glass body 1 is formed by bonding two layers of sheet glass 11 to each other; the permeation area 2 is composed of a plurality of micropores 21, so The micropores 21 run through the glass body 1, and the micropores 21 can allow liquid to pass through at least when subjected to negative pressure; the heating layer 3 is arranged between two layers of the sheet glass 11, and the two layers of the sheets At least one layer of the glass 11 has an electrode 111, and the electrode 111 is used for conducting electricity in the heating layer 3, and the heating layer 3 is used for heating the liquid passing through the micropore 21 to form an aerosol. An electrode 111 is set on the sheet glass 11 of one layer to supply power to the heating layer 3, which is convenient for the heating layer 3 to be connected to electricity. The heating sheet with a sandwich structure has high heating efficiency and good stability for the liquid.

The preparation process for preparing the glass heating sheet in any of the above embodiments, step S1, preparing a large piece of glass, and cleaning the surface of the large piece of glass; The surface of the surface; step S3, on the large piece of glass by laser drilling, processing the outer periphery of the heating layer 3 to form micropores 21; step S4, cutting the large piece of glass to form a plurality of sheet glass 11, and completing the production of the glass heating sheet . Carry out the heating layer 3 on the coating in turn, and then punch holes, and then cut them after punching, which is suitable for mass production, high output, and easy to use.

In this embodiment, the heating layer 3 is formed on the cleaned surface of a large piece of glass by sputtering or coating. The heating layer 3 can be formed by sputtering or coating, and the structural molding has good adhesion and strong integrity.

In step S3, before the laser drilling, another large piece of glass is laminated on the cleaned surface of the large piece of glass, and the heating layer 3 is sandwiched between the two large pieces of glass, wherein the large piece of glass has electrodes 111 and the surface of the large piece of glass. The two ends are in contact. According to the above, a glass heating sheet formed by sandwiching the heating layer 3 with double-layer large sheets of glass is used, which has good structural integrity.

The above examples only express several implementations of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A glass heating sheet is characterized in that: comprises that

The glass body is formed by mutually attaching two layers of sheet glass;

a permeable region comprising a plurality of pores extending through the glass body, the pores being capable of allowing passage of a liquid at least when subjected to a negative pressure;

the heating layer is arranged between the two layers of sheet glass, the at least one layer of the sheet glass is provided with an electrode, the electrode is used for heating the layer to conduct electricity, and the heating layer is used for heating through microporous liquid to form aerosol.

2. The glass heating sheet according to claim 1, characterized in that: the thickness of the sheet glass is 0.01 mm-0.5 mm; the width of the glass body is 0.5-10 mm; the length of the glass body is 2.0 mm-20 mm.

3. The glass heating sheet according to claim 1, characterized in that: the heating layer is coated between the two layers of the sheet glass.

4. The glass heating sheet according to claim 1, characterized in that: the heating layer comprises a heating circuit, two ends of the heating circuit are respectively connected with contact discs of a positive electrode and a negative electrode, and the contact discs are connected with the electrodes.

5. The glass heating sheet according to claim 1, characterized in that: the two layers of sheet glass are connected into a whole through compounding.

6. The glass heating sheet according to claim 1, characterized in that: the pore diameters of the micropores are different between the two layers of the sheet glass; the pore diameter of the micropores at the upper layer of the two layers of sheet glass is larger than that of the micropores at the lower layer.

7. The glass heating sheet according to claim 1, characterized in that: the micropore is positioned at the periphery of the heating layer.

8. A preparation method of a glass heating sheet is characterized by comprising the following steps: the method comprises the following steps:

step S1, preparing a large piece of glass, and cleaning the surface of the large piece of glass;

s2, processing a plurality of uniformly distributed heating layers to form a cleaned surface of a large piece of glass;

s3, forming micropores on the periphery of the heating layer by laser drilling on a large piece of glass;

and S4, cutting the large glass sheet into a plurality of sheet glass sheets to finish the manufacture of the glass heating sheet.

9. The method for producing a glass heat generating sheet according to claim 8, characterized in that: the plurality of heating layers are formed on the cleaned surface of the large glass sheet in a sputtering mode or a film coating mode.

10. The method for producing a glass heating sheet according to claim 8, characterized in that: in the step S3, before laser drilling, another large glass is compounded on the cleaned surface of the large glass, the heating layer is clamped between the two large glasses, and one of the large glasses is provided with an electrode which is contacted with two ends of the large glass.

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