WO2022062645A1

WO2022062645A1 - Heat-not-burn baking apparatus and heating device thereof

Info

Publication number: WO2022062645A1
Application number: PCT/CN2021/109319
Authority: WO
Inventors: 张幸福; 廖焱程
Original assignee: 深圳麦时科技有限公司
Priority date: 2020-09-23
Filing date: 2021-07-29
Publication date: 2022-03-31
Also published as: JP7564336B2; EP4193856A1; JP2023542481A; CN112137172A; EP4193856A4; KR20230049698A

Abstract

A heat-not-burn baking apparatus and a heating device thereof. The heating device (12) is used for inserting and heating an aerosol forming matrix (2); the heating device (12) comprises a first conductive substrate (121), a second conductive substrate (122) stacked and electrically connected with the first conductive substrate (121), and an electrical insulation layer (125) provided between the first conductive substrate (121) and the second conductive substrate (122). The heating device (12) is formed by combining two conductive substrates; the electrical connection performance is more stable, and manufacturing is more convenient.

Description

Heat not burn roasting device and its heating device

technical field

The present invention relates to a roasting device, in particular to a heat-not-burn roasting device and a heating device thereof.

Background technique

Heat-not-burn roasting devices, which operate at lower temperatures, perform thermal atomization by heating the components of the aerosol-forming substrate at lower temperatures. The heating method is usually tubular peripheral heating or central embedded heating. The former means that the heating tube surrounds the aerosol-forming substrate, and the latter means that a heating sheet or a heating needle is inserted into the aerosol-forming substrate. Among them, the heating sheet is widely used because of its simple manufacture and convenient use. However, in the existing chip heating, the conductive traces are all screen-printed or coated on the surface of the insulating ceramic, and the silk-screened film or coating is thin and adhered to the surface of the insulating ceramic, which is prone to partial separation or fracture of the conductive lines due to the deformation of the insulating ceramic. Problems such as poor contact and unstable current when the conductive trace is working.

technical problem

In view of the deficiencies in the above technologies, the present invention provides an improved heat-not-burn roasting device and a heating device thereof.

technical solutions

In order to achieve the above object, the present invention provides a heating device for inserting and heating the aerosol-forming substrate, the heating device comprising a first conductive substrate, a first conductive substrate laminated and electrically connected to the first conductive substrate. Two conductive substrates and an electrical insulating layer disposed between the first conductive substrate and the second conductive substrate.

In some embodiments, one of the first conductive substrate and the second conductive substrate is made of stainless steel or conductive ceramic.

In some embodiments, the thickness of the first conductive substrate and the second conductive substrate is in the range of 0.2-0.35 mm.

In some embodiments, the first conductive substrate is in the shape of an elongated sheet, which includes a first root portion and a first end portion opposite to the first root portion, and the first end portion is sharpened.

In some embodiments, the end of the first end portion is bent toward the second conductive substrate to extend a first conductive portion, and the first conductive substrate is connected to the second conductive substrate through the first conductive portion Electrical connection.

In some embodiments, the second conductive substrate is in the shape of an elongated sheet, and its shape and size are adapted to the first conductive substrate; the second conductive substrate includes a second root portion and is connected with the first conductive substrate. The opposite second ends of the two roots are sharpened, and the second ends are combined with the first ends to form a tip.

In some embodiments, the end of the second end portion is bent toward the first end portion to extend a second conductive portion, and the second conductive portion is electrically connected to the first end portion.

In some embodiments, the heating device includes a first electrode lead electrically connected to the first conductive substrate, and the first electrode lead is integrally connected to the first root; the heating device further includes a second conductive lead. The second electrode lead is electrically connected to the substrate, and the second electrode lead is integrally connected to the second root.

In some embodiments, the electrical insulation is in the form of an elongated sheet, and its length is the length of the first conductive substrate and the second conductive substrate, the first electrode lead and the second electrode lead At least part of the length is attached to two opposite surfaces of the electrically insulating layer.

In some embodiments, the front end of the electrically insulating layer is processed into a V shape to conform to the shape of the first end of the first conductive substrate and the second end of the second conductive substrate match.

In some embodiments, the heating device includes a first insulating component and a second insulating component respectively attached to two opposite surfaces of the electrical insulating layer, and the first insulating component is disposed on two opposite sides of the first electrode lead The second insulating component is disposed on two opposite sides of the second electrode lead.

In some embodiments, the heating device includes an electrical conductor that electrically connects the first end of the first conductive substrate and the second end of the second conductive substrate through the electrically insulating layer sexual connection.

The present invention also provides a heat-not-burn roasting device, comprising the heating device described in any one of the above.

beneficial effect

The beneficial effects of the invention are that the heating device is formed by combining two conductive substrates, the electrical connection performance is more stable, and the manufacture is more convenient.

Description of drawings

FIG. 1 is a schematic three-dimensional structural diagram of a heat-not-burn roasting device in a use state in some embodiments of the present invention.

FIG. 2 is a schematic three-dimensional structural diagram of the heat-not-burn baking device shown in FIG. 1 in a state of being separated from the aerosol-forming substrate.

FIG. 3 is a schematic diagram of a longitudinal cross-sectional structure of the heat-not-burn roasting device shown in FIG. 1 .

FIG. 4 is a schematic three-dimensional structural diagram of a heating device of the heat-not-burn roasting apparatus shown in FIG. 3 .

FIG. 5 is a schematic diagram of a three-dimensional exploded structure of the heating device shown in FIG. 4 .

FIG. 6 is a schematic diagram of a longitudinal cross-sectional structure of the heating device shown in FIG. 4 .

FIG. 7 is a schematic three-dimensional structure diagram of a heating device in other embodiments of the present invention.

FIG. 8 is a schematic diagram of a three-dimensional exploded structure of the heating device shown in FIG. 7 .

Embodiments of the present invention

In order to express the present invention more clearly, the present invention will be further described below with reference to the accompanying drawings.

FIGS. 1 and 2 show a heat-not-burn baking device 1 in some embodiments of the present invention, and the heat-not-burn baking device 1 is used to heat and bake an aerosol-forming substrate 2 detachably inserted therein. baked to release the aerosol extract in the aerosol-forming matrix 2 in a non-combustible state. Correspondingly, the top of the heat-not-burn roasting device 1 is provided with an insertion hole 10 whose size is adapted to the aerosol-forming substrate 2 . A socket cover 15 may be provided beside the socket 10 to cover the socket 10 when not in use, so as to prevent foreign objects from entering the socket 10 and affect the use of the heat-not-burn roasting device 1 .

Referring to FIG. 3 together, in some embodiments, the heat-not-burn roasting apparatus 1 may include a casing 11 and a heating device 12 , a power source 13 and a main board 14 disposed in the casing 11 . The heating device 12 extends into the insertion hole 10 from the bottom of the insertion hole 10, so that when the aerosol-forming substrate 2 is inserted into the insertion hole 10, the heating device 12 can be longitudinally inserted into the aerosol-forming substrate 2 from the bottom end of the aerosol-forming substrate 2. in the substrate 2 and in contact with the low temperature baked aerosol-forming substrate 2 in the aerosol-forming substrate 2 . In this way, when the heating device 12 is electrified to generate heat, the heat can be transferred to the aerosol-forming substrate 2, and the aerosol-forming substrate 2 is heated to emit smoke. The power supply 13 is electrically connected to the heating device 12, and the on-off of the two is controlled by a switch. The main board 14 is used for arranging the relevant main control circuits.

As shown in FIG. 4 to FIG. 6 , in some embodiments, the heating device 12 may include a first conductive substrate 121 , a second conductive substrate 122 laminated with the first conductive substrate 121 and electrically connected together, and The first electrode lead 123 electrically connected to the first conductive substrate 121 , the second electrode lead 124 electrically connected to the second conductive substrate 122 and disposed between the first conductive substrate 121 and the second conductive substrate 122 the electrically insulating layer 125. Preferably, the first conductive substrate 121 and the second conductive substrate 122 are arranged in series.

In some embodiments, the first conductive substrate 121 and the second conductive substrate 122 may use resistance materials with good temperature coefficient of resistance (eg, one or more of silver, platinum, copper, nickel and palladium) production. In some embodiments, the first conductive substrate 121 and the second conductive substrate 122 may be made of metals such as stainless steel or conductive materials such as conductive ceramics. The thickness of the first conductive substrate 121 and the second conductive substrate 122 may be in the range of 0.2-0.35 mm in some embodiments.

The first conductive substrate 121 can be in the form of an elongated sheet in some embodiments, and includes a first root portion 1211 and a first end portion 1212 opposite to the first root portion 1211 , and the first end portion 1212 can be sharpened into a V shape. The end of the first end portion 1212 can also be bent toward the direction of the second conductive substrate 122 to extend a first conductive portion 1213 , and the first conductive substrate 121 is connected to the second conductive substrate through the first conductive portion 1213 122 electrical connections. In some embodiments, the first electrode lead 123 is integrally connected to the first root portion 1211 .

In some embodiments, the second conductive substrate 122 can be in the shape of an elongated sheet, and its size can be adapted to the size of the first conductive substrate 121 . The second conductive substrate 122 may include a second root portion 1221 and a second end portion 1222 opposite to the second root portion 1221, and the second end portion 1222 may be sharpened to a V corresponding to the first end portion 1212 shape so that the two can be combined to form a V-shaped tip for easy insertion into the aerosol-forming substrate 2 . The end of the second end portion 1222 can also be bent toward the first conductive portion 1213 of the first conductive substrate 121 to extend a second conductive portion 1223 . The second conductive substrate 122 communicates with the first conductive portion 1223 through the second conductive portion The first conductive portion 1213 of a conductive substrate 121 is electrically connected. In some embodiments, the second electrode lead 123 is integrally connected to the second root portion 1211 .

The first electrode lead 123 and the second electrode lead 124 are respectively electrically connected to the positive and negative poles of the power supply 13, so that the current flowing from the positive pole of the power supply 13 can flow through the first electrode lead 123 to the first root of the first conductive substrate 121 1211, then flow through the first end 1212 of the first conductive substrate 121 to the second end 1222 of the second conductive substrate 122, and then pass through the second root 1221 of the second conductive substrate 122 and the second electrode lead 124 Return the negative pole of the power supply 13 . It can be understood that, in some embodiments, the first electrode lead 123 and the second electrode lead 124 can also be electrically connected to the negative electrode and the positive electrode of the power source 13 respectively, and in this case, the direction of the current is just opposite.

The electrical insulating layer 125 can also be in the form of a longitudinally elongated sheet in some embodiments, and its length is preferably greater than the length of the first conductive substrate 121 and the second conductive substrate 122, so that the first electrode lead 123 and the second electrode lead 124 At least part of the length is attached to two opposite surfaces of the electrical insulating layer 125 . The front end 1251 of the electrically insulating layer 125 may also be processed into a V shape in some embodiments to match the shape of the ends of the first conductive substrate 121 and the second conductive substrate 122 .

In some embodiments, the heating device 12 may further include a first insulating component 126 and a second insulating component 127 respectively attached to two opposite surfaces of the electrical insulating layer 125 , and the first insulating component 126 is disposed on two sides of the first electrode lead 123 . On the opposite side, the second insulating components 127 are disposed on two opposite sides of the second electrode lead 124 .

7 and 8 show a heating device 12a in other embodiments of the present invention, which can be used as a substitute for the above-mentioned heating device 12 . As shown, the heating device 12a may include, in some embodiments, a first conductive substrate 121a, a second conductive substrate 122a laminated with the first conductive substrate 121a and electrically connected together, and the first conductive substrate 122a. A first electrode lead 123a electrically connected to the sheet 121a, a second electrode lead 124a electrically connected to the second conductive substrate 122a, and an electrical insulating layer disposed between the first conductive substrate 121a and the second conductive substrate 122a 125a.

Both the first conductive substrate 121a and the second conductive substrate 122a may be made of high thermal resistance materials (eg, one or more of silver, platinum, copper, nickel, and palladium) in some embodiments, and the current Can heat up when passing. One of the first conductive substrate 121a and the second conductive substrate 122a may be made of a high thermal resistance material, and the other may be made of a metal such as stainless steel or a conductive material such as conductive ceramics. The thickness of the first conductive substrate 121a and the second conductive substrate 122a may be in the range of 0.2-0.35 mm in some embodiments.

The first conductive substrate 121a may be in the form of an elongated sheet in some embodiments, and includes a first root portion 1211a and a first end portion 1212a opposite to the first root portion 1211a, and the first end portion 1212a may be sharpened into a V shape. In some embodiments, the first electrode lead 123a is integrally connected to the first root portion 1211a.

In some embodiments, the second conductive substrate 122a may be in the shape of an elongated sheet, and the size of the second conductive substrate 121a may be adapted to that of the first conductive substrate 121a. The second conductive substrate 122a may include a second root portion 1221a and a second end portion 1222a opposite to the second root portion 1221a, the second end portion 1222a may be sharpened to a V corresponding to the first end portion 1212a shape so that the two can be combined into a V-shaped tip for easy insertion into the aerosol-forming substrate 2. In some embodiments, the second electrode lead 123a is integrally connected to the second root portion 1211a.

The heating device 12a may include an electrical conductor 128a in some embodiments, the electrical conductor 128 penetrates the insulating layer 125a, and connects the first end portion 1212a of the first conductive substrate 121a and the second conductive substrate 122a. The two end portions 1222a are electrically connected, thereby electrically connecting the first conductive substrate 121a and the first conductive substrate 121a together. The electrical conductors 128a may be cylindrical in some embodiments. It is understood that the number of conductors 128a may be more than one.

The first electrode lead 123a and the second electrode lead 124a are respectively electrically connected to the positive and negative poles of the power supply 13, so that the current flowing from the positive pole of the power supply 13 can flow through the first electrode lead 123a to the first root of the first conductive substrate 121a 1211a, then flow to the second end 1222a of the second conductive substrate 122a through the first end 1212a and the conductor 128a of the first conductive substrate 121a, and then pass through the second root 1221a and the second root of the second conductive substrate 122a. The second electrode lead 124a returns to the negative electrode of the power source 13 . It can be understood that, in some embodiments, the first electrode lead 123a and the second electrode lead 124a can also be electrically connected to the negative electrode and the positive electrode of the power supply 13, respectively. In this case, the direction of the current is just opposite.

The electrically insulating layer 125a may also be in the form of an elongated sheet in some embodiments, and its length is preferably greater than the length of the first conductive substrate 121a and the second conductive substrate 122a, so that the first electrode lead 123a and the second electrode lead 124a At least part of the length is attached to two opposite surfaces of the electrical insulating layer 125a. The front end 1251a of the electrically insulating layer 125a may also be processed into a V shape in some embodiments to match the shape of the ends of the first conductive substrate 121a and the second conductive substrate 122a. The front end 1251a of the electrical insulating layer 125a may be provided with a through mounting hole 1250a in some embodiments, so that the conductor 128a can be embedded therein.

In some embodiments, the heating device 12a may further include a first insulating component 126a and a second insulating component 127a respectively attached to two opposite surfaces of the electrical insulating layer 125a. The first insulating component 126a is disposed on two sides of the first electrode lead 123a. On the opposite side, the second insulating components 127a are disposed on two opposite sides of the second electrode lead 124a.

It can be understood that the above embodiments only represent the preferred embodiments of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the scope of the patent of the present invention.

Claims

A heating device for inserting and heating an aerosol-forming substrate, characterized in that the heating device comprises a first conductive substrate, a second conductive substrate laminated with the first conductive substrate and electrically connected together, and An electrically insulating layer disposed between the first conductive substrate and the second conductive substrate.
The heating device according to claim 1, wherein at least one of the first conductive substrate and the second conductive substrate is made of stainless steel or conductive ceramics.
The heating device according to claim 1, wherein the thicknesses of the first conductive substrate and the second conductive substrate are in the range of 0.2-0.35 mm.
The heating device according to any one of claims 1 to 3, wherein the first conductive substrate is in the shape of an elongated sheet, which comprises a first root portion and a first end portion opposite to the first root portion, The first end is sharpened.
The heating device according to claim 4, wherein the end of the first end portion is bent toward the second conductive substrate to extend a first conductive portion, and the first conductive substrate passes through the first conductive substrate. The portion is electrically connected to the second conductive substrate.
The heating device according to claim 4, characterized in that, the second conductive substrate is in the shape of an elongated sheet, and its shape and size are adapted to the first conductive substrate; the second conductive substrate It comprises a second root portion and a second end portion opposite to the second root portion, the second end portion is sharpened, and the second end portion is combined with the first end portion to form a tip.
The heating device according to claim 6, wherein the end of the second end portion is bent toward the first end portion to extend a second conductive portion, and the second conductive portion is electrically connected to the first end portion. sexual connection.
The heating device according to claim 7, wherein the heating device comprises a first electrode lead electrically connected to the first conductive substrate, the first electrode lead is integrally connected to the first root; the heating The device also includes a second electrode lead electrically connected to the second conductive substrate, and the second electrode lead is integrally connected to the second root.
The heating device according to claim 8, wherein the electrical insulation is in the shape of a longitudinally elongated sheet, and its length is the length of the first conductive substrate and the second conductive substrate, and the first electrode The lead and the second electrode lead are attached to two opposite surfaces of the electrical insulating layer at least part of the length.
10. The heating device according to claim 9, wherein the front end of the electrical insulating layer is processed into a V shape to be in contact with the first end of the first conductive substrate and the second conductive substrate. The shape of the second end is adapted.
The heating device according to claim 10, wherein the heating device comprises a first insulating component and a second insulating component respectively attached to two opposite surfaces of the electrical insulating layer, and the first insulating component is provided with On two opposite sides of the first electrode lead, the second insulating components are disposed on two opposite sides of the second electrode lead.
The heating device according to claim 6, wherein the heating device comprises an electrical conductor which penetrates through the electrical insulating layer to connect the first end of the first conductive substrate and the second electrical conductor The second end of the substrate is electrically connected.
A heat-not-burn roasting device, characterized in that it comprises the heating device according to any one of claims 1-12.