WO2019137235A1

WO2019137235A1 - Heat-not-burn device based on electromagnetic induction thermal field

Info

Publication number: WO2019137235A1
Application number: PCT/CN2018/124543
Authority: WO
Inventors: 谭会民; 方勇; 胡廷东
Original assignee: 深圳市新宜康科技股份有限公司
Priority date: 2018-01-13
Filing date: 2018-12-28
Publication date: 2019-07-18

Abstract

A heat-not-burn device based on an electromagnetic induction thermal field. The device comprises: a housing (1); an induction coil (2) and a thermal insulation layer (3) sequentially installed within the housing (1) from an outer side toward an inner side, wherein the induction coil (2) surrounds the thermal insulation layer (3), an inductive heat generating member (4) is provided within the thermal insulation layer (3) and is exposed from the thermal insulation layer (3), and the thermal insulation layer (3) is provided with a temperature sensor immediately adjacent to the inductive heat generating member (4); and a cover member (5) provided at an upper portion of the housing (1), an air outlet channel (55) being provided in the cover member (5) and being in communication with the thermal insulation layer (3). The invention achieves uniform heating of an object to be processed. The device provides fast heating, has a simple structure, and is safe and reliable to use.

Description

Thermal field heating non-combustion device based on electromagnetic induction

Technical field

The invention relates to the field of electronic cigarettes, in particular to a thermal field heating non-combustion device based on electromagnetic induction.

Background technique

At present, a heating non-combustion device is mainly used for heating cigarettes or shredded tobacco. The heating non-combustion device comprises a main body, a heating chamber is arranged in the main body, and an outer wall of the heating chamber is wound with a heating wire, and the heating wire is A heat insulation layer is disposed between the main body and the tobacco wall is placed in the inner wall of the heating chamber. The heat is generated by the heating wire, and the heat generated by the heating wire is transmitted to the outer wall of the heating chamber and the inner wall of the heating chamber, thereby heating the tobacco. The aroma in the tobacco is released. This heating and non-combustion device has great defects. The heating wire transfers heat to the outer wall of the heating chamber and transmits it to the tobacco through the outer wall of the heating chamber. This heating method, The heating speed is slow, and the heat is transferred from the outside to the inside. During the transfer process, the heat is gradually lost, the heat that the tobacco can receive is reduced, and the utilization efficiency is low, and when the heating wire is stopped, the heating chamber is heated. The temperature cannot be lowered in time, it takes a long time to cool down the temperature of the heating chamber, and its thermal inertia is large, and the time required for heating is also very high. In order to transfer heat from the outer wall of the heating chamber into a heating chamber, it can not easily be accepted by the majority of consumers.

Summary of the invention

The object of the present invention is to overcome the defects of the prior art and to provide a thermal field heating non-combustion device based on electromagnetic induction, which has the characteristics of rapid heating, uniform temperature and simple structure.

The present invention is achieved by a thermal field heating non-combustion device based on electromagnetic induction, which comprises:

An outer casing in which an induction coil and a heat insulation layer are sequentially arranged from the outside to the inside, the induction coil surrounds the heat insulation layer, and an induction heating element is disposed in the heat insulation layer, and the induction heat is generated. a member is exposed on the heat insulating layer, the heat insulating layer is provided with a temperature sensor, and the temperature sensor is attached to the induction heat generating member;

A cover body is disposed on an upper portion of the outer casing, and an air outlet passage is disposed in the cover body, and the air outlet passage is in communication with the heat insulation layer.

Further, the cover body includes a first upper cover and a second upper cover, and the first upper cover is mounted on the second upper cover, and the first upper cover defines a first air passage. a filter screen is disposed in the first upper cover, the first air passage is located on the filter net, the first upper cover is located above the heat insulation layer, and the second upper cover is fastened to the a second air passage is defined in the second upper cover, the second air passage is located above the first air passage, and the air outlet passage includes a first air passage and a second air passage.

Further, the lower surface of the first upper cover is recessed upwardly with a card slot, and the top wall of the card slot opens the first air channel upwards, and the filter mesh is fastened to the card slot by a pressure ring. The upper portion of the heat insulation layer is open, and the bottom of the heat insulation layer is provided with air holes, and the card slot is located above the heat insulation layer.

Further, a venting groove is defined in the outer casing, the air hole is communicated with the venting groove, a first air inlet is formed between the heat insulating layer and the outer casing, and the induction coil is located at the first a second intake port, the first intake port is in communication with the second intake port, the induction heating element opens a third intake port, and the second intake port communicates with the Third inlet

Further, the heat insulating layer is a ceramic heat receiving cavity, the ceramic heat receiving cavity includes a bottom wall and a side wall, the side wall is disposed at an edge of the bottom wall, and the induction heating element comprises a horizontal a heat generating member and a vertical heat generating member, the vertical heat generating member being located at an edge of the horizontal heat generating member, the vertical heat generating member for abutting against an inner wall of the heat insulating layer.

Further, the heat insulating layer is a ceramic heat receiving cavity, the ceramic heat receiving cavity includes a bottom wall and a side wall, the side wall is disposed at an edge of the bottom wall, and the induction heating element comprises a horizontal A heat generating member and a vertical heat generating member, the vertical heat generating member being located at a center of the horizontal heat generating member.

Further, the heat insulating layer is a ceramic heat receiving cavity, the ceramic heat receiving cavity includes a bottom wall and a side wall, the side wall is disposed at an edge of the bottom wall, and the induction heating element comprises a horizontal a heat generating component, an inner vertical heat generating component and an outer vertical heat generating component, wherein the inner vertical heat generating component is located at a center of the horizontal heat generating component, and the outer vertical heat generating component is located at an edge of the horizontal heat generating component, the inner vertical An object to be heated is disposed between the heat generating component and the outer vertical heat generating component, and the object to be heated is located above the horizontal heat generating component.

Further, the induction heating element is an inner heating element, the inner heating element is in a column shape, the inner heating element is disposed on a lower surface of the cover body, and the inner heating element is provided with a plurality of holding portions, and the inner heating element penetrates into the Insulation layer, the holding portion extends upward and outward.

Further, the induction heating element further comprises an outer heating element, wherein the outer heating element is located at a periphery of the inner heating element, and the induction heating element further comprises a connecting heating element, and the connecting heating element is located between the outer heating element and the inner heating element.

Further, an inner surface of the heat insulation layer is provided with a radiation protection layer, and the induction coil is located between the heat insulation layer and the radiation protection layer.

The heated working medium of the invention is heated in the uniform temperature field, the heating speed is fast, the heat can be generated in a short time, the heat is uniform, the structure is simple, and the use is safe and reliable.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

Figure 1 is a perspective assembled view of the present invention;

Figure 2 is a cross-sectional view of the present invention;

Figure 3 is a cross-sectional view of the present invention;

Figure 4 is a cross-sectional view of the present invention;

Figure 5 is a cross-sectional view of the present invention;

Figure 6 is a cross-sectional view of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1 and FIG. 6 , an embodiment of the present invention provides a thermal field heating non-combustion device based on electromagnetic induction, which includes a casing 1 in which an induction coil 2 and a partition are sequentially disposed from the outside to the inside. a heat layer 3, the induction coil 2 surrounds the heat insulation layer 3, an inductive heat generating component 4 is disposed in the heat insulation layer 3, and the induction heat generating component 4 is exposed on the heat insulation layer 3, and the heat insulation layer The layer 3 is provided with a temperature sensor, the temperature sensor is attached to the inductive heat generating component 4; a cover 5 is disposed on the upper portion of the outer casing 1, and an air outlet passage 55 is disposed in the cover body 5, and the air outlet passage is provided. 55 is in communication with the heat insulating layer 3.

The cover body 5 includes a first upper cover 51 and a second upper cover 52. The first upper cover 51 is mounted on the second upper cover 52, and the first upper cover 51 defines a first In the air passage 511, a screen 53 is disposed in the first upper cover 51. The first air passage 511 is located above the screen 53, and the first upper cover 51 is located above the heat insulation layer 3. The second upper cover 52 is fastened to the side wall of the outer casing 1. A second air passage 521 is defined in the second upper cover 52. The second air passage 521 is located above the first air passage 511. The air outlet passage 55 includes a first air passage 511 and a second air passage 521. A card slot 512 is defined in the lower surface of the first upper cover 51. The top wall of the card slot 512 defines the first air channel 511. The filter screen 53 is fastened by the pressure ring 54. a card slot 512, wherein the filter 53 can filter solid or large particulate matter in the heated gas or the gasified cut tobacco, the upper portion of the heat insulating layer 3 is open, and the bottom of the heat insulating layer 3 is provided with pores. The card slot 512 is located above the heat insulation layer 3. When heated, the tobacco, the tobacco liquid or the tobacco is heated to generate a scent, and a magnetic field is generated by the induction coil 2 to induce a change in the magnetic field sensed by the heating element 4, thereby generating a eddy current, and the induction heating element 4 generates heat, and the generated heat heats the tobacco. Compared with the traditional heating and non-combustion device, it does not need to pass heat transfer, which can effectively prevent the loss of heat, generate heat by means of electromagnetic induction, and has a fast heating speed and a simple structure. A temperature sensor is also provided to monitor the induction heating element at all times. 4 temperature, safe and reliable to use. The generated aroma flows upwards and flows out through the filter screen 53, the first airway, and the second airway for human consumption.

A venting groove 11 is defined in the outer casing 1 , the air hole is communicated with the venting groove 11 , a first air inlet 111 is formed between the heat insulating layer 3 and the outer casing 1 , and the induction coil 2 is located The first air inlet 111; the heat insulating layer 3 is provided with a second air inlet, the first air inlet 111 is connected to the second air inlet, and the inductive heat generating element 4 is provided with a third air inlet. A second intake passage communicates with the third intake passage. The outside air enters the first intake passage through the venting groove, and a part of the heat generated by the induction coil itself is fully utilized in the first intake passage, so that the air can be preheated in advance, and the heat is also fully utilized, thereby improving the utilization of heat. Rate, the preheated air enters the heat insulation layer through the second air inlet and the third air inlet, and heats the tobacco in the heat insulation layer to evaporate or volatilize the aroma in the tobacco to enter the aroma of the population. It is also hot, which improves the taste, and a heat transfer layer can be added between the induction heating member and the heat insulating layer.

The heat insulating layer 3 is a ceramic heat receiving cavity. The ceramic heat receiving cavity includes a bottom wall and a side wall. The side wall is disposed at an edge of the bottom wall, and the induction heating element 4 includes a horizontal heat. The member 42 and a vertical heat generating member 43 are located at the edge of the horizontal heat generating member 42, and the vertical heat generating member 43 is for abutting against the inner wall of the heat insulating layer 3. The tobacco is placed in the induction heating element, the vertical heating element is heated from the outside to the inside, and the horizontal heating element 42 is heated from the bottom to the top to achieve stereo heating.

The heat insulating layer 3 is a ceramic heat receiving cavity. The ceramic heat receiving cavity includes a bottom wall and a side wall. The side wall is disposed at an edge of the bottom wall, and the induction heating element 4 includes a horizontal heat. The member 42 and a vertical heat generating member 43 are located at the center of the horizontal heat generating member 42. The vertical heat generating member is heated from the inside to the outside, and the horizontal heat generating member 42 is heated from the bottom to the top to realize stereo heating.

The heat insulating layer 3 is a ceramic heat receiving cavity. The ceramic heat receiving cavity includes a bottom wall and a side wall. The side wall is disposed at an edge of the bottom wall, and the induction heating element 4 includes a horizontal heat. a member 42, an inner vertical heat generating member 431 and an outer vertical heat generating member 432, the inner vertical heat generating member 431 is located at the center of the horizontal heat generating member 42, and the outer vertical heat generating member 432 is located at the edge of the horizontal heat generating member 42. The heating element is disposed between the inner vertical heating element 431 and the outer vertical heating element 432, and the object to be heated is located above the horizontal heating element 42. This type of external heating, which is externally heated, and fully enclosed, is fully enclosed and heated more evenly.

The inductive heat generating component 4 is an inner heat generating component, the inner heat generating component has a columnar shape, the inner heat generating component is disposed on the lower surface of the cover body 5, and the inner heat generating component is provided with a plurality of latching portions 433, and the inner heat generating component penetrates into the The heat insulation layer 3, the holding portion 433 extends upward and outward. By disposing the induction heating element 4 on the cover 5 and opening the cover 5, the induction heating element 4 can be exposed and taken out, and the cigarette (tobacco) can be attached to the induction heating element 4, or Inserting the induction heating element 4 into the cigarette; when it is necessary to take out the cigarette replacement, the cigarette can be directly pulled out from the induction heating element 4 by hand, which is convenient to operate, when the induction heating element 4 needs to be cleaned, Direct cleaning, easy to operate, easy to clean, the previous design is to set the heating needle at the bottom of the heating chamber, the heating chamber itself is small, small space, the design of the manual can directly penetrate into the heating chamber, you can also directly clean the induction Compared with the conventional design, the heating element 4 facilitates the insertion of the induction heating element 4 into the cigarette holder, and at the same time, the induction heating element 4 is omitted in the receiving cavity, and the use space in the heating chamber is also increased, and the cleaning degree is greatly improved.

The inductive heat generating component 4 further includes an outer heat generating component 432. The outer heat generating component 432 is located at the outer periphery of the inner heat generating component 431. The inductive heat generating component further includes a connecting heat generating component 42. The connecting heat generating component 42 is located between the outer heat generating component and the inner heat generating component. In the meantime, this kind of heating is internal and external, and the bottom can also be heated at the same time, the three-dimensional heating space, the field-heating radiation, and the feeling of temperature uniformity.

The inner surface of the heat insulation layer 3 is provided with a radiation protection layer, and the induction coil 2 is located between the heat insulation layer 3 and the radiation protection layer to prevent leakage of electromagnetic external parts and to avoid electromagnetic radiation damage to the human body. .

In use, the cover 5 is opened, tobacco, cigarette or smoke oil or other heated object is put into the ceramic heat accommodating cavity, the power switch is pressed, the induction coil 2 is powered on, and the induction coil 2 starts to work. The induction coil 2 generates a changing magnetic field, and the induction heating element 4 induces a change of the magnetic field, thereby generating a eddy current, and the induction heating element 4 generates heat, and the generated heat heats the object to be heated, so that the side wall and the bottom wall of the ceramic heat receiving chamber are heated. Forming a temperature field, the temperature on the entire ceramic heat accommodating cavity is uniform, forming a uniform temperature field, and the shredded tobacco is heated in a uniform temperature field, the heating speed is fast, the structure is simple, and a temperature sensor is also provided. The temperature of the ceramic heat accommodating chamber is monitored at any time. The use is safe and reliable. It can generate enough heat in a short time to volatilize the flavor in the tobacco, greatly improving the user's experience and heating the tobacco in the ceramic heat accommodating chamber. Evenly, the user's taste is even, and when the heating needs to be stopped, the power is cut off directly, and the induction heating element 4 stops working immediately. The heat transfer needs to be cooled, the cooling time is greatly shortened, and the heating rate is also fast. In this design, the induction coil can be controlled by a circuit board or an IC chip, and of course, a heat conduction plate can be added to the induction heating element 4, and the working principle is the same as above, and it is not cumbersome.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are included in the spirit and scope of the present invention, should be included in the present invention. Within the scope of protection.

Claims

A thermal field heating non-combustion device based on electromagnetic induction, characterized in that it comprises:

An outer casing in which an induction coil and a heat insulation layer are sequentially arranged from the outside to the inside, the induction coil surrounds the heat insulation layer, and an induction heating element is disposed in the heat insulation layer, and the induction heat is generated. a member is exposed on the heat insulating layer, the heat insulating layer is provided with a temperature sensor, and the temperature sensor is attached to the induction heat generating member;

A cover body is disposed on an upper portion of the outer casing, and an air outlet passage is disposed in the cover body, and the air outlet passage is in communication with the heat insulation layer.
The electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein the cover body comprises a first upper cover and a second upper cover, wherein the first upper cover is mounted on a first upper cover, a first air passage is defined in the first upper cover, a filter is installed in the first upper cover, and the first air passage is located on the filter, the An upper cover is located above the heat insulation layer, a second upper cover is fastened to a side wall of the outer casing, a second air passage is defined in the second upper cover, and the second air passage is located at the Above the first airway, the air outlet passage includes a first air passage and a second air passage.
An electromagnetic induction-based thermal field heating non-combustion device according to claim 2, wherein a lower surface of the first upper cover is recessed with a card slot, and a top wall of the card slot is opened upward. In the first air passage, the filter mesh is snapped into the card slot by a pressure ring, an upper portion of the heat insulation layer is open, a bottom of the heat insulation layer is provided with air holes, and the card slot is located at the heat insulation layer. Above.
An electromagnetic induction-based thermal field heating non-combustion device according to claim 3, wherein a venting groove is defined in the outer casing, and the air hole communicates with the venting groove, the heat insulating layer and the Forming a first air inlet between the outer casings, the induction coil is located at the first air inlet; the heat insulation layer is provided with a second air inlet, and the first air inlet is connected with the second air inlet. The induction heating element opens a third air inlet, and the second air inlet communicates with the third air inlet
The electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein the heat insulating layer is a ceramic heat receiving cavity, and the ceramic heat receiving cavity comprises a bottom wall and a side wall. The sidewall is disposed at an edge of the bottom wall, and the inductive heat generating component comprises a horizontal heat generating component and a vertical heat generating component, wherein the vertical heat generating component is located at an edge of the horizontal heat generating component, and the vertical heat generating component is used for the vertical heat generating component To abut the inner wall of the heat insulation layer.
The electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein the heat insulating layer is a ceramic heat receiving cavity, and the ceramic heat receiving cavity comprises a bottom wall and a side wall. The side wall is disposed at an edge of the bottom wall, and the inductive heat generating component comprises a horizontal heat generating component and a vertical heat generating component, and the vertical heat generating component is located at a center of the horizontal heat generating component.
The electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein the heat insulating layer is a ceramic heat receiving cavity, and the ceramic heat receiving cavity comprises a bottom wall and a side wall. The sidewall is disposed at an edge of the bottom wall, and the inductive heat generating component comprises a horizontal heat generating component, an inner vertical heat generating component and an outer vertical heat generating component, wherein the inner vertical heat generating component is located on the horizontal heat generating component. Center, the outer vertical heat generating component is located at an edge of the horizontal heat generating component, and the heated object is disposed between the inner vertical heat generating component and the outer vertical heat generating component, and the heated object is located above the horizontal heat generating component.
The electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein the induction heating element is an inner heating element, the inner heating element is in a column shape, and the inner heating element is disposed on the cover body. The lower surface has a plurality of latching portions disposed on the inner heat generating component, and the inner heat generating component penetrates into the heat insulating layer, and the latching portion extends upward and outward.
The electromagnetic induction-based thermal field heating non-combustion device according to claim 8, wherein the induction heating element further comprises an outer heating element, wherein the outer heating element is located at a periphery of the inner heating element, and the induction heating element The utility model further comprises connecting the heat generating component, and the connecting heat generating component is located between the outer heat generating component and the inner heat generating component.
An electromagnetic induction-based thermal field heating non-combustion device according to claim 1, wherein an inner surface of the thermal insulation layer is provided with a radiation protection layer, and the induction coil is located at the thermal insulation layer and the Between the radiation protection layers.