Glass-based heating body and electronic atomization device

Abstract

The utility model provides a glass-based heating element and an electronic atomization device, and the glass-based heating element comprises a glass substrate which is provided with a porous part and a first compact part, the first compact part is annular, and the porous part is located in the first compact part; the heating layer is arranged on the surface of one side of the glass substrate and covers at least part of the porous part; and the electrode layer is arranged on the glass substrate and is electrically connected with the heating layer. By adjusting the size, distribution arrangement and the like of the glass fibers in the area corresponding to the porous part, the distribution, the size and the like of the micropores in the porous part can be accurately controlled, so that the pore structure can be completely self-defined, the consistency of the glass-based heating body is relatively good, and the consistency of taste is favorably ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic atomization technical field especially, relate to a glass base heating body and electronic atomization device. BACKGROUND

[0002] In the related art, the atomization core of the electronic atomization device generally adopts a cotton core or a ceramic core, and both the cotton core and the ceramic core belong to a porous material type and can conduct and lock liquid. The pore structure of the cotton core and the ceramic core is disordered and chaotic, for example, the pores are unevenly distributed, the pore sizes are different, etc., and the pore structure cannot be completely customized, resulting in poor consistency of the liquid conduction of the atomization core and difficulty in ensuring the consistency of the taste. SUMMARY

[0003] The utility model provides a glass base heating body and electronic atomization device to solve the problem of poor consistency of the liquid conduction of the atomization core in the related art.

[0004] To solve the above technical problems, the utility model provides a glass base heating body in the first aspect, which comprises:

[0005] A glass base body has a porous part and a first dense part, the first dense part is annular, and the porous part is located in the first dense part; wherein the porous part is a hollow filament array area with micropores formed by a plurality of glass filaments, and the first dense part is a solid filament array area formed by a plurality of glass filaments;

[0006] A heating layer is arranged on one side surface of the glass base body and covers at least part of the porous part; and

[0007] An electrode layer is arranged on the glass base body and is electrically connected with the heating layer.

[0008] Optionally, the hollow filament array area is formed by a plurality of primary composite filaments after acid pickling after melt drawing, and the primary composite filaments are formed by melt drawing after matching acid-resistant hollow glass filaments with acid-dissolving solid glass filaments;

[0009] The solid filament array is formed by melt drawing and compounding of a plurality of acid-resistant solid glass filaments.

[0010] Optionally, the cross-sectional shape of the acid-resistant hollow glass filament is matched with the cross-sectional shape of the acid-dissolving solid glass filament, and the primary composite filament is formed by melt drawing after the acid-resistant hollow glass filament is sleeved in the acid-dissolving solid glass filament; or

[0011] The primary composite filament is formed by melt drawing after the acid-resistant solid glass filaments are wrapped on the outside of the acid-dissolving solid glass filaments.

[0012] Optionally, the primary composite filament is formed by wrapping a plurality of acid-resistant solid glass filaments outside acid-dissolving solid glass filaments, and then performing melt drawing.

[0013] The side of the acid-resistant solid glass filament in contact with the acid-dissolving solid glass filament is a first side, and the side of the acid-dissolving solid glass filament in contact with the acid-resistant solid glass filament is a second side.

[0014] The first side and the second side coincide with each other, or one side of the first side coincides with one side of the second side, and the other side of the first side is protruding relative to the other side of the second side.

[0015] Optionally, the side of the porous portion is in a straight line or a broken line.

[0016] Optionally, the heating layer is in a block shape, and the electrode layer is provided with two electrode layers, and the two electrode layers are arranged at intervals of the heating layer, and each electrode layer is connected with the heating layer.

[0017] Optionally, one part of each electrode layer extends along the length direction of the heating layer, and the other part extends along the width direction of the heating layer.

[0018] The two electrode layers are respectively arranged on opposite sides of the length direction of the heating layer, and in the width direction of the heating layer, the opposite sides of the electrode layer are flush with the opposite sides of the heating layer.

[0019] The two electrode layers are respectively arranged on opposite sides of the length direction of the heating layer, and in the width direction of the heating layer, the opposite sides of the electrode layer are flush with the opposite sides of the heating layer.

[0020] Optionally, the glass base body is further provided with a second dense portion, the second dense portion is arranged in the first dense portion, and the second dense portion is provided with a ventilation hole penetrating through opposite sides of the glass base body.

[0021] Optionally, the heating layer is in a ring shape, and the second dense portion is arranged in a region enclosed by the heating layer.

[0022] The second aspect of the utility model provides an electronic atomization device, including glass base heating body as any one of the above.

[0023] The utility model discloses a glass base heating body and electronic atomization device and related technical compared with prior art, beneficial effect lies in: through adjusting the size of the glass filament of the corresponding area of porous part, distribution arrangement etc., thereby accurately control each micropore's distribution, size etc. in porous part, thereby can be completely self -defined pore structure, make the consistency of glass base heating body is better, is favorable to guarantee the consistency of mouthfeel. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or related technology, the drawings needed in the embodiment or related technology description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0025] Figure 1 It is the preparation flow schematic diagram of glass base body in an embodiment provided by the utility model;

[0026] Figure 2 It is the preparation flow schematic diagram of glass base body in an embodiment provided by the utility model;

[0027] Figure 3 It is the structure schematic diagram of glass base body in an embodiment provided by the utility model;

[0028] Figure 4 It is the structure schematic diagram of glass base heating body in an embodiment provided by the utility model;

[0029] Figure 5 It is the structure schematic diagram of glass base heating body in an embodiment provided by the utility model;

[0030] Figure 6 It is the structure schematic diagram of glass base heating body in an embodiment provided by the utility model;

[0031] Figure 7 It is the preparation flow schematic diagram of glass base body in an embodiment provided by the utility model;

[0032] Figure 8 It is the structure schematic diagram of glass base heating body in an embodiment provided by the utility model.

[0033] In the drawings, various reference signs represent: 1, glass base body;11, porous part;12, first dense part;13, second dense part part;14, air hole;2, heating layer;3, electrode layer. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the present application belong to the scope of protection of the present application.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple", "several" is two or more, unless otherwise explicitly specified.

[0037] Embodiment:

[0038] The electronic atomization device provided by the embodiment of the present application comprises a glass-based heating body, the glass-based heating body absorbs atomization liquid and heats to generate aerosol.

[0039] Please refer to Figure 1 , Figure 2 and Figure 8 , the glass-based heating body comprises a glass-based body 1, a heating layer 2 and an electrode layer 3, the glass-based body 1 has a porous part 11 and a first dense part 12, the first dense part 12 is annular, and the porous part 11 is located in the first dense part 12; wherein the porous part 11 is a hollow filament array area with micropores formed by a plurality of glass filaments, and the first dense part 12 is a solid filament array area formed by a plurality of glass filaments. The heating layer 2 is arranged on one side surface of the glass-based body 1 and covers at least part of the porous part 11; the electrode layer 3 is arranged on the glass-based body 1 and is electrically connected with the heating layer 2.

[0040] By adjusting the size, distribution, and the like of the glass filaments corresponding to the porous portion 11, the distribution and size of the micropores in the porous portion 11 can be precisely controlled, so that the pore structure can be completely customized, and the consistency of the glass-based heating body is good, which is beneficial to ensuring the consistency of the taste.

[0041] The hollow filament array region is formed by pickling after melting and drawing of a plurality of primary composite filaments, the primary composite filament is formed by melting and drawing after combination of acid-resistant hollow glass filaments and acid-soluble solid glass filaments; and the solid filament array region is formed by melting and drawing of a plurality of acid-resistant solid glass filaments. The acid-resistant hollow glass can be silicate glass, which can resist acid solution with pH value < 7; the acid-soluble solid glass can be borate glass, which is etched by acid between pH value 0-6. In addition, the acid-resistant hollow glass can also be soda-lime glass, aluminum-silicon glass, etc., and the acid-soluble solid glass can also be sodium stannate glass, aluminum borate glass, etc.

[0042] Please refer to Figure 3 and Figure 4 In some embodiments, the side of the porous portion 11 is linear, or the side of the porous portion 11 is a zigzag line.

[0043] Please refer to Figure 3 and Figure 4 In some embodiments, at least part of the side of the glass substrate 1 is a tooth-shaped structure, or the side of the glass substrate 1 is a planar structure.

[0044] Please refer to Figure 1 In some embodiments, the cross-sectional shape of the micropore of the porous portion 11 includes any one of a circle and a polygon, and the polygon can be a triangle, a square, a hexagon, etc.; wherein the cross-sectional shape of the acid-resistant hollow glass filament is matched with the cross-sectional shape of the acid-soluble solid glass filament, and the primary composite filament is formed by melting and drawing after the acid-resistant hollow glass filament is sleeved on the acid-soluble solid glass filament.

[0045] Please refer to Figure 2 In some embodiments, the cross-sectional shape of the micropore of the porous portion 11 includes a polygon, such as a triangle, a square, a hexagon, etc.; wherein the primary composite filament is formed by melting and drawing after the acid-resistant solid glass filaments are wrapped on the outside of the acid-soluble solid glass filament, and the cross-section of the acid-soluble solid glass filament is a polygon and corresponds to the cross-section of the micropore.

[0046] The preparation methods of different glass substrates 1 are described as follows:

[0047] Please refer to Figure 1In one specific example, round bar-shaped acid-dissolvable solid glass filaments are sleeved in round tube-shaped acid-resistant hollow glass filaments to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. A plurality of primary composite filaments are arranged into a primary arrangement rod with a square cross section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament, which contains both acid-resistant and acid-dissolvable glass. Then a plurality of secondary composite filaments and a plurality of square cross-section acid-resistant solid glass filaments (small) are arranged into a secondary arrangement rod with a rectangular cross section, and the secondary arrangement rod is fused and drawn into a tertiary composite filament, which is cut into a sheet, and after acid etching and cleaning of the sheet-shaped tertiary composite filament, a glass substrate 1 with a porous part 11 and a first dense part 12 is obtained. At this time, all sides of the glass substrate 1 are planar structures, the sides of the porous part 11 are straight lines, and the cross-sectional shape of the micropores of the porous part 11 is circular.

[0048] In one specific example, round bar-shaped acid-dissolvable solid glass filaments are sleeved in round tube-shaped acid-resistant hollow glass filaments to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. A plurality of primary composite filaments are arranged into a primary arrangement rod with a triangular cross section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament, which contains both acid-resistant and acid-dissolvable glass. Then a plurality of secondary composite filaments and a plurality of triangular cross-section acid-resistant solid glass filaments are arranged into a secondary arrangement rod with a rectangular cross section, and the secondary arrangement rod is fused and drawn into a tertiary composite filament, which is cut into a sheet, and after acid etching and cleaning of the sheet-shaped tertiary composite filament, a glass substrate 1 with a porous part 11 and a first dense part 12 is obtained. At this time, the upper and lower sides of the glass substrate 1 are planar structures, the left and right sides are tooth-shaped structures, the sides of the porous part 11 are broken lines, and the cross-sectional shape of the micropores of the porous part 11 is circular.

[0049] In one specific example, round bar-shaped acid-dissolvable solid glass filaments are sleeved in round tube-shaped acid-resistant hollow glass filaments to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. A plurality of primary composite filaments are arranged into a primary arrangement rod with a hexagonal cross section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament, which contains both acid-resistant and acid-dissolvable glass. Then a plurality of secondary composite filaments, a plurality of hexagonal cross-section acid-resistant solid glass filaments, and a plurality of trapezoidal cross-section acid-resistant solid glass filaments are arranged into a secondary arrangement rod with a rectangular cross section, and the secondary arrangement rod is fused and drawn into a tertiary composite filament, which is cut into a sheet, and after acid etching and cleaning of the sheet-shaped tertiary composite filament, a glass substrate 1 with a porous part 11 and a first dense part 12 is obtained. At this time, the upper and lower sides of the glass substrate 1 are tooth-shaped structures, the left and right sides are planar structures, the sides of the porous part 11 are broken lines, and the cross-sectional shape of the micropores of the porous part 11 is circular.

[0050] In a specific example, the acid-dissolvable solid glass filaments with a triangular cross-section are sleeved into the acid-resistant hollow glass filaments with a triangular cross-section to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. A plurality of primary composite filaments are arranged into a primary arrangement rod with a hexagonal cross-section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament containing both acid-resistant and acid-dissolvable glass. Then a plurality of secondary composite filaments, a plurality of acid-resistant solid glass filaments with a hexagonal cross-section, and a plurality of acid-resistant solid glass filaments with a trapezoidal cross-section are arranged into a secondary arrangement rod with a rectangular cross-section, the secondary arrangement rod is fused and drawn into a tertiary composite filament, the tertiary composite filament is cut into a sheet, and the sheet-shaped tertiary composite filament is etched and cleaned to obtain the glass substrate 1 with the porous part 11 and the first dense part 12, at this time, the upper and lower sides of the glass substrate 1 are of a tooth-shaped structure, the left and right sides are of a planar structure, the side edges of the porous part 11 are of a broken line type, and the cross-sectional shape of the micropores of the porous part 11 is triangular.

[0051] In a specific example, the acid-dissolvable solid glass filaments with a square cross-section are sleeved into the acid-resistant hollow glass filaments with a square cross-section to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. A plurality of primary composite filaments are arranged into a primary arrangement rod with a square cross-section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament containing both acid-resistant and acid-dissolvable glass. Then a plurality of secondary composite filaments and a plurality of acid-resistant solid glass filaments with a square cross-section are arranged into a secondary arrangement rod with a rectangular cross-section, the secondary arrangement rod is fused and drawn into a tertiary composite filament, the tertiary composite filament is cut into a sheet, and the sheet-shaped tertiary composite filament is etched and cleaned to obtain the glass substrate 1 with the porous part 11 and the first dense part 12, at this time, all the sides of the glass substrate 1 are of a planar structure, the side edges of the porous part 11 are of a straight line type, and the cross-sectional shape of the micropores of the porous part 11 is square.

[0052] Please refer to Figure 2In one specific example, a plurality of acid-dissolvable solid glass filaments with a triangular cross section are wrapped outside acid-resistant solid glass filaments with a trapezoidal cross section to obtain a combination, and then the combination is fusion-drawn into relatively thin primary composite filaments. The plurality of primary composite filaments are arranged into a primary arrangement rod with a hexagonal cross section, and then the primary arrangement rod is fusion-drawn into thinner secondary composite filaments containing both acid-resistant and acid-dissolvable glass. Then, the plurality of secondary composite filaments, acid-resistant solid glass filaments with a hexagonal cross section, and acid-resistant solid glass filaments with a trapezoidal cross section are arranged into a secondary arrangement rod with a rectangular cross section, and the secondary arrangement rod is fusion-drawn into tertiary composite filaments, which are cut into a sheet shape. After acid-etching and cleaning the sheet-shaped tertiary composite filaments, a glass substrate 1 with a porous part 11 and a first dense part 12 is obtained. At this time, the upper and lower sides of the glass substrate 1 are of a tooth-shaped structure, the left and right sides are of a planar structure, the side edges of the porous part 11 are of a broken line type, and the cross-sectional shape of the micropores of the porous part 11 is triangular.

[0053] It should be noted that, in the present example, the side of the acid-resistant solid glass filament in contact with the acid-dissolvable solid glass filament is a first side, and the side of the acid-dissolvable solid glass filament in contact with the acid-resistant solid glass filament is a second side. The first side coincides with the second side, or one side edge of the first side coincides with one side edge of the second side, and the other side edge of the first side is protruding relative to the other side edge of the second side.

[0054] In one specific example, a plurality of acid-dissolvable solid glass filaments with a square cross section are wrapped outside acid-resistant solid glass filaments with a trapezoidal cross section to obtain a combination, and then the combination is fusion-drawn into relatively thin primary composite filaments. The plurality of primary composite filaments are arranged into a primary arrangement rod with a square cross section, and then the primary arrangement rod is fusion-drawn into thinner secondary composite filaments containing both acid-resistant and acid-dissolvable glass. Then, the plurality of secondary composite filaments and acid-resistant solid glass filaments with a square cross section are arranged into a secondary arrangement rod with a rectangular cross section, and the secondary arrangement rod is fusion-drawn into tertiary composite filaments, which are cut into a sheet shape. After acid-etching and cleaning the sheet-shaped tertiary composite filaments, a glass substrate 1 with a porous part 11 and a first dense part 12 is obtained. At this time, all the side edges of the glass substrate 1 are of a planar structure, the side edges of the porous part 11 are of a straight line type, and the cross-sectional shape of the micropores of the porous part 11 is square.

[0055] It should be noted that in the present example, the side of the acid-resistant solid glass filament in contact with the acid-dissolving solid glass filament is the first side, and the side of the acid-dissolving solid glass filament in contact with the acid-resistant solid glass filament is the second side; wherein the first side coincides with the second side; or one side of the first side coincides with one side of the second side, and the other side of the first side is protrudingly arranged relative to the other side of the second side.

[0056] Please refer to Figure 4 , Figure 5 and Figure 6 , the heating layer 2 is in block shape, the electrode layer 3 is provided with two, the two electrode layers 3 are arranged with the heating layer 2, each electrode layer 3 is connected with the heating layer 2, and the two electrode layers 3 are respectively the positive and negative electrodes of the heating layer 2. Among them, the heating layer 2 and the electrode layer 3 are arranged on one side surface of the glass substrate 1 through a plating process.

[0057] Please refer to Figure 4 , in some embodiments, a part of each electrode layer 3 extends along the length direction of the heating layer 2, and the other part extends along the width direction of the heating layer 2, so that the heating layer 2 can be connected with the electrode layer 3 in the length direction and the width direction, so as to be applicable to different assembly structures. Among them, the electrode layer 3 can be in L shape.

[0058] Please refer to Figure 5 , in some embodiments, the two electrode layers 3 are respectively arranged on the opposite sides in the length direction of the heating layer 2, and in the width direction of the heating layer 2, the opposite sides of the electrode layer 3 are flushly arranged with the opposite sides of the heating layer 2, so that the electrode layer 3 is on the same straight line with the heating layer 2, which can simplify the plating process and is beneficial to improve the quality. Among them, the two electrode layers 3 and the heating layer 2 are connected in a character type.

[0059] Please refer to Figure 6 , in some embodiments, the two electrode layers 3 are respectively arranged on the opposite sides in the length direction of the heating layer 2, and in the width direction of the heating layer 2, the opposite sides of the electrode layer 3 are protrudingly arranged relative to the opposite sides of the heating layer 2, so that the two electrode layers 3 respectively cover the two sides of the heating layer 2, so that the connection area of the electrode is larger, so that the electrode can be connected in the two corners, preventing the electrode from blocking the airflow. Among them, the two electrode layers 3 and the heating layer 2 are connected in a H type,

[0060] Please refer to Figure 8The glass substrate 1 is further provided with a second dense portion, which is arranged in the first dense portion 12 and is provided with a gas outlet hole 14 penetrating through the opposite sides of the glass substrate 1. The gas outlet hole 14 is located in the middle region of the glass substrate 1, so that the aerosol can be discharged from the gas outlet hole 14 in the middle of the glass substrate 1 along with the gas, avoiding the aerosol from contacting the inner wall of the product, thereby avoiding the condensate from being deposited on the outer surface of the product during the smoking process. The gas outlet hole 14 is formed by acid-dissolving solid glass filaments after acid pickling after fusion drawing and compounding, and the second dense portion is formed by acid-resistant solid glass filaments after fusion drawing and compounding.

[0061] Referring to Figure 8 In some embodiments, the heating layer 2 is annular, and the second dense portion is arranged in the region enclosed by the heating layer 2, so that the gas outlet hole 14 is located in the middle of the glass substrate 1. The shape of the gas outlet hole 14 includes any one of a circle and a polygon, and the polygon can be a triangle, a rectangle, a hexagon, etc.

[0062] The preparation methods of the gas outlet holes with different shapes are described below.

[0063] Referring to Figure 7 In a specific example, the round bar-shaped acid-dissolving solid glass filaments are sleeved in the round tube-shaped acid-resistant hollow glass filaments to obtain a sleeve, and then the sleeve is fusion drawn into a primary composite filament with a relatively small diameter. A plurality of primary composite filaments are arranged into a primary arrangement rod with a hexagonal cross section, and then the primary arrangement rod is fusion drawn into a secondary composite filament with a smaller diameter, which contains both acid-resistant and acid-dissolving glass materials. Then, a plurality of secondary composite filaments, a plurality of acid-resistant solid glass filaments with a hexagonal cross section, and a plurality of acid-dissolving solid glass filaments with a hexagonal cross section are arranged into a secondary arrangement rod with a rectangular cross section, the secondary arrangement rod is fusion drawn into a tertiary composite filament, the tertiary composite filament is cut into a sheet, and the sheet-shaped tertiary composite filament is acid-etched and cleaned to obtain the glass substrate 1 with the porous portion 11, the first dense portion 12, the second dense portion, and the gas outlet hole 14. At this time, the upper and lower sides of the glass substrate 1 are both tooth-shaped structures, the outer ring side and the inner ring side of the porous portion 11 are both zigzag lines, the cross-sectional shape of the micropores of the porous portion 11 is a circle, and the shape of the gas outlet hole 14 is a rectangle.

[0064] In one specific example, round bar-shaped acid-dissolvable solid glass filaments are sleeved in round tube-shaped acid-resistant hollow glass filaments to obtain a sleeve, and then the sleeve is fused and drawn into a relatively thin primary composite filament. Multiple primary composite filaments are arranged into a primary arrangement rod with a hexagonal cross section, and then the primary arrangement rod is fused and drawn into a thinner secondary composite filament, which contains both acid-resistant and acid-dissolvable glass materials. Then multiple secondary composite filaments, multiple acid-resistant solid glass filaments with a hexagonal cross section, and multiple acid-dissolvable solid glass filaments with a hexagonal cross section are arranged into a secondary arrangement rod with a hexagonal cross section, the secondary arrangement rod is fused and drawn into a tertiary composite filament, the tertiary composite filament is cut into a sheet, and after acid-etching and cleaning of the sheet-shaped tertiary composite filament, a glass substrate 1 with a porous part 11, a first dense part 12, a second dense part, and a ventilation hole 14 is obtained, at this time, the upper and lower sides of the glass substrate 1 are both tooth-shaped structures, the outer ring side and the inner ring side of the porous part 11 are both broken line types, the cross-sectional shape of the micropores of the porous part 11 is hexagonal, and the shape of the ventilation hole 14 is hexagonal.

[0065] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A glass-based heat generator, characterized by, The glass-based heating body comprises: a glass substrate having a porous portion and a first dense portion, the first dense portion being annular, and the porous portion being located in the first dense portion; wherein the porous portion is a hollow filament array region having micropores formed by a plurality of glass filaments, and the first dense portion is a solid filament array region formed by a plurality of glass filaments; a heating layer arranged on one side surface of the glass substrate and covering at least part of the porous portion; and an electrode layer arranged on the glass substrate and electrically connected with the heating layer.

2. The glass-based heat generator according to claim 1, characterized by The hollow filament array region is formed by acid pickling after melt-drawing of a plurality of primary composite filaments, and the primary composite filaments are formed by melt-drawing of acid-resistant hollow glass filaments and acid-dissolving solid glass filaments after being combined. The solid filament array is formed by melt-drawing of a plurality of acid-resistant solid glass filaments.

3. The glass-based heat generator according to claim 2, characterized by The cross-sectional shape of the acid-resistant hollow glass filament is adapted to the cross-sectional shape of the acid-dissolving solid glass filament, and the primary composite filament is formed by melt-drawing of the acid-resistant hollow glass filament sleeved in the acid-dissolving solid glass filament; or The primary composite filament is formed by melt-drawing of a plurality of acid-resistant solid glass filaments wrapped outside the acid-dissolving solid glass filament.

4. The glass-based heat generator according to claim 2, characterized by The primary composite filament is formed by melt-drawing of a plurality of acid-resistant solid glass filaments wrapped outside the acid-dissolving solid glass filament, and the cross-section of the acid-dissolving solid glass filament is polygonal and corresponds to the cross-section of the micropore. The side of the acid-resistant solid glass filament in contact with the acid-dissolving solid glass filament is a first side, and the side of the acid-dissolving solid glass filament in contact with the acid-resistant solid glass filament is a second side. The first side coincides with the second side; or one side of the first side coincides with one side of the second side, and the other side of the first side is arranged protruding relative to the other side of the second side.

5. The glass-based heat generator according to any one of claims 1 to 4, characterized by The side of the porous portion is linear or zigzag.

6. The glass-based heat generator according to any one of claims 1 to 4, characterized by The heating layer is in a block shape, and the electrode layer is provided with two electrode layers, and the two electrode layers are arranged with the heating layer in between, and each of the electrode layers is connected with the heating layer.

7. The glass-based heat generator according to claim 6, characterized by The length of one part of each of the electrode layers extends along the length direction of the heating layer, and the length of the other part extends along the width direction of the heating layer; or The two electrode layers are respectively arranged on opposite sides in the length direction of the heating layer, and in the width direction of the heating layer, the opposite sides of the electrode layers are arranged flush with the opposite sides of the heating layer; or The two electrode layers are respectively arranged on opposite sides in the length direction of the heating layer, and in the width direction of the heating layer, the opposite sides of the electrode layers are arranged protruding relative to the opposite sides of the heating layer.

8. The glass-based heat generator according to any one of claims 1 to 4, characterized by, The glass substrate is further provided with a second dense portion, the second dense portion is arranged in the first dense portion, and the second dense portion is provided with a through hole penetrating through the opposite side surfaces of the glass substrate.

9. The glass-based heat generator according to claim 8, characterized by The heating layer is annular, and the second dense portion is arranged in the area enclosed by the heating layer.

10. An electronic atomizing device, characterized by, The glass-based heating body comprises any one of claims 1-9.

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