WO2020228113A1 - Heating bin assembly and electronic cigarette - Google Patents

Abstract

Disclosed are a heating bin assembly (10) and an electronic cigarette (100). The heating bin assembly (10) comprises an inner cylinder (11), an outer cylinder (13), a connection member (15) and a cooling tube (18), wherein one end of the inner cylinder (11) is provided with an opening (111); the outer cylinder (13) sleeves the outside of the inner cylinder (11), and the resistance of the outer cylinder (13) is less than the resistance of the inner cylinder (11); the connection member (15) is connected to the outer cylinder (13) and the inner cylinder (11), and electrically communicates with the outer cylinder (13) and the inner cylinder (11); the inner cylinder (11), the outer cylinder (13) and the connection member (15) form a heat insulation space (10a) in an enclosing manner, and the outer cylinder (13) and the inner cylinder (11) are used for being electrically connected to a power source (50), so as to enable the inner cylinder (11) to generate heat; and at least part of the cooling tube (18) penetrates the heat insulation space (10a), and the cooling tube (18) is filled with a cooling medium. The heating bin assembly (10) can improve the heating efficiency, effectively executes heat insulation and is convenient for a user to use.

Description

Heating chamber assembly and electronic cigarette To

Related application

This application claims the priority of the Chinese patent application named "heating chamber assembly and electronic cigarette" filed on May 16, 2019 with the application number 201910409658.0, which is hereby incorporated by reference in its entirety. To

Technical field

This application relates to the technical field of electronic cigarettes, in particular to a heating bin assembly and an electronic cigarette using the heating bin assembly.

Background technique

E-cigarettes are electronic products that imitate cigarettes and have similar appearance, smoke, taste and feel to cigarettes. For the convenience of users, the existing electronic cigarettes generally have a heating chamber, and the cigarettes are put into the heating chamber to be heated, so as to be used by the users. However, the existing heating bin generally only has one heating wire, and the heating wire is arranged circumferentially along the outer wall of the heating bin. With this arrangement, the heating wire cannot effectively roast the cigarette, and the roasting efficiency is low. At the same time, it cannot effectively dissipate heat and is inconvenient to hold.

The above content is only used to assist the understanding of the technical solution of this application, and does not mean that the above content is recognized as prior art.

Summary of the invention

The main purpose of the present application is to provide a heating bin assembly and an electronic cigarette using the heating bin assembly, aiming to improve heating efficiency, and provide effective heat insulation, which is convenient for users to use.

In order to achieve the above objective, a heating bin assembly proposed in the present application is applied to an electronic cigarette, and the heating bin assembly includes:

An inner cylinder, one end of the inner cylinder is provided with an opening;

An outer tube, the outer tube is sleeved outside the inner tube, and the resistance of the outer tube is less than the resistance of the inner tube;

A connecting piece, the connecting piece connects the outer cylinder and the inner cylinder, and electrically conducts the outer cylinder and the inner cylinder, the inner cylinder, the outer cylinder, and the connecting piece enclose Forming a heat-insulating space, and the outer cylinder and the inner cylinder are used for electrical connection with a power source, so that the inner cylinder generates heat; and

A cooling pipe, the cooling pipe is at least partially penetrated in the heat insulation space, and the cooling pipe is filled with a cooling medium.

Optionally, the cooling tube is arranged in a spiral shape in the heat insulation space;

Alternatively, the cooling tube is arranged in a straight tube shape in the heat insulation space.

Optionally, the cooling tube is arranged around the outer wall surface of the inner cylinder;

Alternatively, the cooling tube is arranged around the inner wall surface of the outer cylinder;

Alternatively, the cooling tube is located between the outer wall surface of the inner cylinder and the inner wall surface of the outer cylinder.

Optionally, the number of the cooling tubes is at least two, and the two cooling tubes are evenly arranged at an interval along the circumferential direction of the inner cylinder.

Optionally, one end of the cooling tube passes through the connecting piece and is located outside the thermal insulation space, the other end of the cooling tube is connected to the inner space of the inner cylinder, and the cooling medium is air.

Optionally, an insulating member is sheathed at the end of the inner cylinder facing away from the opening, and the side of the insulating member facing away from the inner cylinder abuts against the inner wall surface of the outer cylinder.

Optionally, the inner cylinder, the outer cylinder, the connecting member, and the insulating member are enclosed to form the heat insulation space, and the heat insulation space is a vacuum heat insulation space.

Optionally, the cross section of the inner cylinder is circular, and the cross section of the outer cylinder is circular;

Alternatively, the cross section of the inner cylinder is circular, and the cross section of the outer cylinder is square.

The present application also provides an electronic cigarette, the electronic cigarette includes a heating bin assembly, and the heating bin assembly includes:

An inner cylinder, one end of the inner cylinder is provided with an opening;

An outer tube, the outer tube is sleeved outside the inner tube, and the resistance of the outer tube is less than the resistance of the inner tube;

A connecting piece, the connecting piece connects the outer cylinder and the inner cylinder, and electrically conducts the outer cylinder and the inner cylinder, the inner cylinder, the outer cylinder, and the connecting piece enclose Forming a heat-insulating space, and the outer cylinder and the inner cylinder are used for electrical connection with a power source, so that the inner cylinder generates heat; and

A cooling pipe, the cooling pipe is at least partially penetrated in the heat insulation space, and the cooling pipe is filled with a cooling medium.

Optionally, the electronic cigarette further includes:

The body, the heating chamber assembly is connected to the body;

A power supply, the power supply is provided in the body; and

The main control board is arranged in the main body, and the main control board is electrically connected with the power supply, the inner tube and the outer tube.

In the technical solution of the present application, during use, the part to be baked can be put into the inner cylinder through the opening, and then the outer cylinder, the connecting piece and the inner cylinder are energized. Because the impedance of the inner cylinder is greater than that of the outer cylinder, the inner cylinder The tube generates most of the heat, which can effectively heat the to-be-baked item. By directly energizing and heating the inner cylinder, no additional heating element is required, and the structure of the heating bin assembly and the electronic cigarette is simplified. At the same time, heating the inner tube directly can also cause the heat to be directly transferred to the to-be-baked parts (such as cigarettes) in the inner tube, and roasting heating generates smoke for users to use, which can improve the heating efficiency of the heating bin assembly. The outer cylinder and the connecting piece also serve as electrical conductors of the inner cylinder, simplifying the overall structure of the heating bin assembly and reducing the processing cost of the heating bin assembly.

Furthermore, a cooling tube is also provided. By passing the cooling tube through the thermal insulation space, the cooling medium in the cooling tube exchanges heat with the heat in the thermal insulation space, thereby taking away the heat in the thermal insulation space, reducing the heat in the outer cylinder, and reducing The temperature of the outer casing of the electronic cigarette is convenient for users to operate and use the electronic cigarette.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structure shown in these drawings.

FIG. 1 is a schematic structural view from a perspective of an embodiment of a heating chamber assembly of the present application;

FIG. 2 is a schematic diagram of another view of the structure of the heating chamber assembly of this application;

FIG. 3 is a schematic structural diagram of an embodiment of an electronic cigarette of this application.

Attached icon number description: Label name Label name 10 Heating chamber components 17 Insulator 10a Insulated space 18 Cooling tube 11 Inner tube 30 Ontology 111 Opening 50 power supply 13 Outer tube 70 Main control board 15 Connector 100 e-cigarette

The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the difference between components in a specific posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

In this application, unless otherwise clearly specified and limited, the terms "connected", "fixed", etc. should be interpreted broadly. For example, "fixed" can be a fixed connection, a detachable connection, or a whole; It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components or the interaction relationship between two components, unless specifically defined otherwise. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

In addition, the descriptions related to "first", "second", etc. in this application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Not within the scope of protection required by this application.

1 to 3, a heating bin assembly 10 proposed in the present application is applied to an electronic cigarette 100, and the heating bin assembly 10 includes:

The inner cylinder 11, one end of the inner cylinder 11 is provided with an opening 111;

The outer tube 13 is sleeved outside the inner tube 11, and the resistance of the outer tube 13 is less than the resistance of the inner tube 11;

The connecting piece 15 connects the outer cylinder 13 and the inner cylinder 11, and electrically connects the outer cylinder 13 and the inner cylinder 11, the inner cylinder 11 and the outer cylinder 13 , And the connecting member 15 encloses a heat-insulating space 10a, and the outer tube 13 and the inner tube 11 are used for electrical connection with a power source 50, so that the inner tube 11 generates heat; and

A cooling tube 18, the cooling tube 18 at least partially penetrates the heat insulation space 10a, and the cooling tube 18 is filled with a cooling medium.

In the technical solution of the present application, when in use, the part to be baked can be put into the inner cylinder 11 through the opening 111, and then the outer cylinder 13, the connector 15 and the inner cylinder 11 are energized, because the impedance of the inner cylinder 11 is greater than that of the outer cylinder The resistance of 13, therefore, the inner cylinder 11 generates most of the heat, which can effectively heat the to-be-baked item. By directly energizing and heating the inner cylinder 11, no additional heating element is required, and the structure of the heating bin assembly 10 and the electronic cigarette 100 are simplified. At the same time, heating the inner tube 11 directly can also cause the heat to be directly transferred to the to-be-baked parts (such as cigarettes) in the inner tube 11, and roasting heating is performed to generate flue gas for users to use, which can improve the heating chamber assembly 10 Heating efficiency. The outer cylinder 13 and the connecting member 15 also serve as electrical conductors of the inner cylinder 11, simplifying the overall structure of the heating chamber assembly 10 and reducing the processing cost of the heating chamber assembly 10.

Furthermore, a cooling tube 18 is also provided. By passing the cooling tube 18 through the thermal insulation space 10a, the cooling medium in the cooling tube 18 exchanges heat with the heat in the thermal insulation space 10a, thereby taking away the heat in the thermal insulation space 10a, The heat of the outer tube 13 is reduced, the temperature of the outer casing of the electronic cigarette 100 is reduced, and the user is convenient to use the electronic cigarette 100.

The material of the cooling tube 18 can be plastic, metal, or ceramic, and the cooling medium can be air or liquid water.

In an embodiment of the present application, the cooling tube 18 is arranged in a spiral shape in the thermal insulation space 10a;

The spiral cooling tube 18 can further increase the heat exchange area with the heat insulation space 10a, and improve the heat reduction efficiency.

Alternatively, the cooling tube 18 is arranged in a straight tube shape in the thermal insulation space 10a. The straight tubular cooling tube 18 can be easily installed and processed.

In an embodiment of the present application, the cooling tube 18 is arranged around the outer wall surface of the inner cylinder 11;

Surrounding the outer wall surface of the inner cylinder 11 with the cooling pipe 18 can directly reduce the temperature of the outer wall surface of the inner cylinder 11.

Alternatively, the cooling tube 18 is arranged around the inner wall surface of the outer cylinder 13.

Surrounding the inner wall surface of the outer cylinder 13 by the cooling pipe 18 can reduce the temperature of the outer cylinder 13 without affecting the heat generation of the inner cylinder 11.

Of course, the cooling tube 18 may also be located between the outer wall surface of the inner tube 11 and the inner wall surface of the outer tube 13, that is, the cooling tube 18 is arranged between the inner tube 11 and the outer tube 13, and is not connected to the inner tube 11. Direct contact with the outer cylinder 13 is also within the protection scope of this application.

Further, the number of the cooling tubes 18 is at least two, and the two cooling tubes 18 are evenly arranged at an interval along the circumferential direction of the inner cylinder 11.

The arrangement of at least two cooling tubes 18 can further improve the thermal efficiency.

In an embodiment of the present application, one end of the cooling tube 18 passes through the connecting member 15 and is located outside the thermal insulation space 10a, and the other end of the cooling tube 18 is connected to the inner space of the inner cylinder 11 Connected, the cooling medium is air.

With this arrangement, the cooling tube 18 can be used as an air passage of the heating space in the inner cylinder to provide air for the baking heating inside the inner cylinder 11, reducing the internal temperature of the thermal insulation space 10a and improving the baking efficiency. At the same time, the air in the cooling pipe 18 is heated and passed into the inner cylinder 11 to further improve the baking efficiency.

Optionally, the end of the inner cylinder 11 facing away from the opening 111 is further sheathed with an insulating member 17, and the side of the insulating member 17 facing away from the inner cylinder 11 abuts against the inner wall surface of the outer cylinder 13 .

When the inner cylinder 11 and the outer cylinder 13 are electrically connected, the positive and negative poles of the power supply 50 can be connected to the outer cylinder 13 and the inner cylinder 11 respectively, so as to realize the conduction of the circuit. Therefore, at the end away from the port 111, the The inner cylinder 11 and the outer cylinder 13 are insulated to prevent the circuit from being conducted by mistake. The insulator 17 is provided to prevent the misconduction between the two. The material of the insulating member 17 may be rubber or ceramic.

Further, the inner cylinder 11, the outer cylinder 13, the connecting member 15 and the insulating member 17 enclose the heat insulation space 10a, and the heat insulation space 10a is a vacuum heat insulation space 10a .

The outer cylinder 13, the connecting member 15, the inner cylinder 11 and the insulating member 17 are also enclosed to form a vacuum insulation space 10a. Through the vacuum insulation space 10a, heat conduction and heat convection can be reduced as much as possible, thereby reducing the heating of the inner cylinder 11. The generated heat is conducted to the outer tube 13 to further reduce the temperature of the outer casing of the electronic cigarette 100 and facilitate the user to handle and use the electronic cigarette 100.

In an embodiment of the present application, the inner cylinder 11 and the outer cylinder 13 are made of stainless steel, the wall thickness range of the inner cylinder 11 is less than 0.10 mm, and the wall thickness range of the outer cylinder 13 The value is 1.2mm to 2.5mm.

Both the inner cylinder 11 and the outer cylinder 13 are made of stainless steel, which can be easily processed. At the same time, the stainless steel material can also facilitate the cleaning of the inner cylinder 11. When the inner cylinder 11 and the outer cylinder 13 are set to have different impedances, the materials of the two are the same, the wall thickness of the inner cylinder 11 is set to be less than 0.10mm, and the wall thickness of the outer cylinder 13 is set to be 1.2mm to 2.5mm. The calorific value of the inner tube 11 and the calorific value of the outer tube 13 can be effectively taken into consideration, so that the calorific value of the inner tube 11 can be used for baking cigarettes, and the heating heat of the outer tube 13 will not affect the holding and use. For example, the wall thickness of the inner cylinder 11 is set to 0.03mm, 0.05mm, 0.08mm, 0.09mm, 0.10mm. The wall thickness of the outer cylinder 13 is set to 1.2mm, 1.5mm, 1.8mm, 2.1mm, 2.5mm.

Further, the height values of the inner cylinder 11 and the outer cylinder 13 are the same. The height setting of the outer cylinder 13 is the same as that of the inner cylinder 11, which is convenient for processing and setting.

In an embodiment of the present application, the cross section of the inner cylinder 11 is circular, and the cross section of the outer cylinder 13 is circular;

Alternatively, the cross section of the inner cylinder 11 is circular, and the cross section of the outer cylinder 13 is square.

That is, the inner cylinder 11 may be set as a cylinder, and the outer cylinder 13 may also be set as a cylinder. The inner cylinder 11 is set as a cylinder, which can facilitate the insertion and use of the electronic cigarette 100. The outer cylinder 13 is adapted to the inner cylinder 11, which is convenient for processing.

Of course, the inner cylinder 11 can also be configured as a cylinder, and the outer cylinder 13 can be configured as a square cylinder. In the installation process of the heating bin assembly, the square-shaped outer tube 13 is convenient for abutting installation with the inner wall of the housing of the electronic cigarette 100.

It can be understood that the inner cylinder 11 and the outer cylinder 13 can also be set in other shapes, not limited to a circle and a square, for example, can also be set in a regular polygon or an ellipse.

Further, the inner cylinder 11, the outer cylinder 13, and the connecting member 15 are an integral structure. The inner cylinder 11, the outer cylinder 13 and the connecting piece 15 are integrated in a structure which can be conveniently processed and arranged. Of course, it can also be set as a split structure and then assembled.

The present application also provides an electronic cigarette 100, which includes the heating chamber assembly 10 as described above. Since the electronic cigarette 100 includes the above-mentioned heating chamber assembly 10, it has all the beneficial effects of the above-mentioned embodiments, and will not be repeated here. The electronic cigarette 100 further includes a main body 30, a power source 50, and a main control board 70. The heating chamber assembly 10 is connected to the main body 30. The main control board 70 and the power source 50 are provided in the main body 30. The main control board 70 is electrically connected to the power source 50, the inner barrel 11 and the outer barrel 13. The heating chamber assembly 10 is connected to the main body 30, and may be an integral structure with the main body 30, or may be a detachable connection structure. The shape of the main body 30, which is cross-sectioned along the middle part, can be round, oval or rectangular. If it is rectangular, its short side is arc-shaped to facilitate human hand holding.

The body 30 can be made of metal (stainless steel, aluminum, aluminum alloy, copper, copper alloy, iron, iron alloy, etc.), plastic (hard plastic, such as ABS) , POM, PS, PMMA, PC, PET, PBT, PPO, etc.), and other alloy materials.

The inner tube 11, the connecting piece 15 and the outer tube 13 are powered by the power source 50, and the main control board 70 controls the heating on and off. The main control board 70 can be provided with a power statistics module, and the surface of the main body 30 can also be provided with a display screen, which is electrically connected to the main control board 70 to display the working status of the electronic cigarette 100 and the power of the power supply 50. Of course, the main control board 70 can also be provided with a wireless communication module, through which the wireless communication module is connected to an external mobile terminal. In this way, the working status of the electronic cigarette 100 can be sent to a mobile terminal, such as a mobile phone, through the wireless communication module. At the same time, the mobile terminal can also open the electronic cigarette 100 intelligently. The main body 30 may also be provided with a switch, which is connected to the main control board 70, and specifically may be a mechanical switch or a touch switch. If it is a control switch, the above-mentioned display screen can be a touch screen. If it is a mechanical switch, the body 30 is also provided with a through hole for the mechanical switch to pass through.

Furthermore, the main control board 70 is also provided with an external interface, and the external interface is electrically connected to the power supply 50 for charging the power supply 50. The power supply 50 is charged through the external interface, and the external interface may be a USB interface or a Type-C interface.

Alternatively, the main control board 70 is further provided with a wireless charging module, and the wireless charging module is electrically connected to the power supply 5050 and electrically coupled to an external wireless charger.

That is, the power supply 50 is charged through wireless charging, which reduces the use of external cables.

The above are only the preferred embodiments of the application, and do not limit the scope of the patent of the application. Under the concept of the application, the equivalent structure transformation made by the content of the specification and drawings of the application, or directly/indirectly used in Other related technical fields are included in the scope of patent protection of this application.

Claims (10)

A heating bin assembly applied to an electronic cigarette, wherein the heating bin assembly includes: An inner cylinder, one end of the inner cylinder is provided with an opening; An outer tube, the outer tube is sleeved outside the inner tube, and the resistance of the outer tube is less than the resistance of the inner tube; A connecting piece, the connecting piece connects the outer cylinder and the inner cylinder, and electrically conducts the outer cylinder and the inner cylinder, the inner cylinder, the outer cylinder, and the connecting piece enclose Forming a heat-insulating space, and the outer cylinder and the inner cylinder are used for electrical connection with a power source, so that the inner cylinder generates heat; and A cooling pipe, the cooling pipe is at least partially penetrated in the heat insulation space, and the cooling pipe is filled with a cooling medium. The heating chamber assembly of claim 1, wherein the cooling tube is arranged in a spiral shape in the heat insulation space; Alternatively, the cooling tube is arranged in a straight tube shape in the heat insulation space. The heating chamber assembly of claim 1, wherein the cooling pipe is arranged around the outer wall of the inner cylinder; Alternatively, the cooling tube is arranged around the inner wall surface of the outer cylinder; Alternatively, the cooling tube is located between the outer wall surface of the inner cylinder and the inner wall surface of the outer cylinder. 8. The heating chamber assembly of claim 1, wherein the number of the cooling tubes is at least two, and the two cooling tubes are evenly arranged at intervals along the circumferential direction of the inner cylinder. The heating chamber assembly according to claim 1, wherein one end of the cooling tube passes through the connecting piece and is located outside the thermal insulation space, and the other end of the cooling tube is communicated with the inner space of the inner cylinder, The cooling medium is air. The heating chamber assembly according to any one of claims 1 to 5, wherein the end of the inner cylinder facing away from the opening is further sheathed with an insulating member, and the side of the insulating member away from the inner cylinder is The inner wall surface of the outer cylinder abuts. The heating chamber assembly according to claim 6, wherein the inner tube, the outer tube, the connecting member and the insulating member enclose the heat insulation space, and the heat insulation space is a vacuum Insulated space. The heating chamber assembly according to any one of claims 1 to 5, wherein the cross section of the inner cylinder is circular, and the cross section of the outer cylinder is circular; Alternatively, the cross section of the inner cylinder is circular, and the cross section of the outer cylinder is square. An electronic cigarette, wherein the electronic cigarette comprises the heating chamber assembly according to any one of claims 1 to 8. The electronic cigarette according to claim 9, wherein the electronic cigarette further comprises: The body, the heating chamber assembly is connected to the body; A power supply, the power supply is provided in the body; and The main control board is arranged in the main body, and the main control board is electrically connected with the power supply, the inner tube and the outer tube.