SUMMERY OF THE UTILITY MODEL
The present application aims to address the deficiencies of the prior art by providing a device for heating a non-combustible material that at least partially solves the technical problems of the prior art.
In order to solve the technical problem, the following technical scheme is adopted in the application: a heating non-combustion device comprises a heating cavity and an infrared heater; wherein the bottom wall of the heating cavity is provided with an insertion hole which is positioned in the middle area of the bottom wall; the infrared heater comprises a columnar carrier, an infrared coating positioned on the outer side surface of the carrier and an electrode electrically connected with the infrared coating; the top surface of the carrier is closed, and the top surface of the carrier and the part of the carrier opposite to the infrared coating are inserted into the heating cavity from the jack; and an electrode electrically connected with the infrared coating is led out of the heating cavity.
Optionally, the receptacle is located in the centre of the bottom wall of the heating chamber.
Optionally, an infrared reflecting structure is disposed on an inner wall of the heating chamber.
Optionally, the carrier is of a hollow structure, an opening is formed in the bottom surface of the carrier, the heating and non-combustion device further comprises a temperature measuring element and an electrode electrically connected with the temperature measuring element, the temperature measuring element is inserted into the hollow area of the carrier from the opening, and the electrode electrically connected with the temperature measuring element is led out of the heating cavity.
Optionally, the temperature measuring element comprises: any one of a thermistor, a thermal resistor, and a thermocouple.
Optionally, a tip is further formed outside the top surface of the carrier, and the tip is directed in a direction in which the bottom surface of the carrier is directed to the top surface of the carrier.
Optionally, the infrared heater further comprises an insulating protective layer located on a side of the infrared coating layer facing away from the carrier.
Optionally, the material of the insulating protection layer includes: and (3) glass.
Optionally, the material of the support comprises any one of quartz glass, mica and ceramic.
Optionally, the infrared heater further comprises: a base surrounding the carrier and proximate a bottom surface of the carrier.
Optionally, the carrier has a circular or polygonal cross-section.
Optionally, the portion of the electrode electrically connected to the ir coating within the heating chamber comprises: the infrared coating comprises a first conductor ring and a second conductor ring, wherein the first conductor ring is sleeved outside the part of the infrared coating, which is close to the bottom surface of the carrier, and the second conductor ring is sleeved outside the part of the infrared coating, which is close to the top surface of the carrier.
Optionally, the portion of the electrode electrically connected to the ir coating and located within the heating chamber further comprises: an electrode coating positioned between the first conductor ring and the second conductor ring and surrounding the infrared coating, the electrode coating in contact with the infrared coating.
Optionally, the heating non-combustion apparatus further comprises: and the control unit is electrically connected with the infrared coating and is used for controlling the heating power of the infrared coating.
Optionally, when the infrared heater includes the temperature measuring element inserted into the hollow region of the carrier, the control unit is further electrically connected to the temperature measuring element, and the control unit is further configured to: and determining the temperature of the infrared coating according to the electric signal fed back by the temperature measuring element, and adjusting the heating power of the infrared coating to enable the temperature of the infrared coating to reach the expected temperature.
Compared with the prior art, the beneficial effect of this application is: during the use process, the infrared heater is inserted into the tobacco material, infrared rays are emitted outwards from the interior of the tobacco material, the emitted infrared rays are absorbed by the tobacco material, and molecules and atoms in the tobacco material generate resonance to generate strong vibration and rotation, so that the temperature of the tobacco material is increased, and the heating purpose is achieved. Because infrared heating is the radiation conduction form, has reduced the energy loss in the heat conduction process, consequently more even and abundant to the heating of tobacco material, the utilization ratio of tobacco material is higher, and the smog of production is more sufficient.
Detailed Description
The application is further described with reference to examples of embodiments shown in the drawings.
In this application, it is to be understood that terms such as "including" or "having" are intended to indicate the presence of the disclosed features, numbers, steps, acts, components, parts, or combinations thereof, and are not intended to preclude the presence or addition of one or more other features, numbers, steps, acts, components, parts, or combinations thereof.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, embodiments of the present application provide a heated non-combustion apparatus comprising a heating chamber 1 and an infrared heater 2; the bottom wall of the heating cavity 1 is provided with an insertion hole 1a, and the insertion hole 1a is positioned in the middle area of the bottom wall; the infrared heater 2 includes a columnar support 21, an infrared coating layer 22 on an outer side surface of the support 21, and electrodes (e.g., a first conductor ring 23a, a second conductor ring 23b, and an electrode coating layer 23c) electrically connected to the infrared coating layer 22; the top surface of the carrier 21 is closed, and the top surface of the carrier 21 and the part of the carrier 21 opposite to the infrared coating layer 22 are inserted into the heating chamber 1 from the insertion hole 1 a; the electrode electrically connected with the infrared coating 22 is led out of the heating chamber 1.
The material of the infrared coating 22 is, for example, a far infrared nano ceramic coating material or the like. Application of a voltage across the ir coating 22 can excite the ir coating 22 to emit ir.
During the use, arrange the tobacco material in heating chamber 1, inside infrared heater 2 inserted the tobacco material, from the inside infrared ray of radiating around to of tobacco material, the tobacco material is abundant and even more to infrared absorption, and the utilization ratio of tobacco material is higher, and the smog of production is more sufficient.
Alternatively, the receptacle 1a is located in the center of the bottom wall of the heating chamber 1. This allows for more even heating of the smoking material.
Optionally, an infrared reflecting structure (not shown) is provided on the inner wall of the heating chamber 1. The infrared-reflective structure is, for example, an infrared-reflective coating applied to the inner wall of the heating chamber 1. The infrared ray which is not absorbed by the tobacco material can be reflected to the tobacco material again, so that the heating of the tobacco material is more sufficient and uniform.
Alternatively, referring to fig. 1 and 2, the carrier 21 is a hollow structure and an opening 24 is formed on the bottom surface of the carrier 21, the heating non-combustion apparatus further comprises a temperature measuring element 3 and an electrode 3a electrically connected with the temperature measuring element 3, the temperature measuring element 3 is inserted into the hollow region of the carrier 21 from the opening 24, and the electrode electrically connected with the temperature measuring element 3 is led out of the heating chamber 1.
The temperature measuring element 3 is inserted into the carrier 21, which is beneficial to accurately detecting the temperature of the infrared heater 2. So that the temperature of the infrared heater 2 can be precisely controlled.
If the bottom surface of the carrier 21 is located outside the heating chamber 1, the electrode 3a electrically connected to the temperature measuring element 3 is naturally also located outside the heating chamber 1. The present application is not limited to how the electrodes electrically connected to the temperature measuring element 3 are provided.
Optionally, the temperature measuring element 3 comprises: any one of a thermistor, a thermal resistor, and a thermocouple. These temperature measuring elements 3 are adapted to be placed in the hollow region of the carrier 21.
Optionally, the top surface of the carrier 21 is further formed with tips 25, the tips 25 being directed in a direction in which the bottom surface of the carrier 21 is directed toward the top surface of the carrier 21. The tip 25 may be of unitary construction with the carrier 21 or may be of two distinct parts from the carrier 21, the function of which is to facilitate insertion of the infrared heater 2 into the smoking material. Of course, if the carrier 21 itself has a small diameter, the tip 25 may not be provided.
Optionally, the infrared heater 2 further comprises an insulating protective layer (not shown) on the side of the infrared coating 22 facing away from the carrier 21. The insulating protective layer is required to mechanically protect the infrared coating 22 on the one hand and to have low conduction loss for infrared rays and high temperature resistance on the other hand. For this purpose, the material of the insulating protective layer is, for example, glass.
Alternatively, the material of the carrier 21 needs to be high temperature resistance, high thermal conductivity, high insulation, and simple in manufacturing process. Based on this, the material of the support 21 may include any one of quartz glass, mica, and ceramic.
Optionally, the infrared heater 2 further comprises: a base 26 surrounding the carrier 21 and adjacent to the bottom surface of the carrier 21. The mount 26 is provided to facilitate assembly between the infrared heater 2 and the heating chamber 1. The upper surface of the base 26 may be spaced from the lower surface of the bottom wall of the heating chamber 1. The base 26 may also be slightly smaller in diameter to fit within the receptacle 1a in the bottom wall of the heating chamber 1. There is a sufficient gap between base 26 and ir coating 22 to ensure that ir coating 22 extends completely into the smoking material.
Optionally, the cross-section of the carrier 21 is circular or polygonal. The cross-sectional shape of ir coating 22 is also circular or polygonal. Therefore, the tobacco material is uniformly heated in different directions.
Alternatively, with reference to fig. 1, the portion of the electrode electrically connected to the ir coating 22 located within the heating chamber 1 comprises: a first conductor ring 23a and a second conductor ring 23b, the first conductor ring 23a being disposed over a portion of ir coating 22 adjacent the bottom surface of carrier 21, and the second conductor ring 23b being disposed over a portion of ir coating 22 adjacent the top surface of carrier 21.
The first conductor ring 23a and the second conductor ring 23b are, for example, metal rings (e.g., copper rings, steel rings, etc.) which should be in close contact with the infrared coating 22 so that a voltage can be applied between both ends of the infrared coating 22.
The first conductor loop 23a and the second conductor loop 23b can each be led out to the heating chamber 1 via a wire attached to the outer surface of the carrier 21, so as to be electrically connected to the control unit 4 outside the heating chamber 1. The base 26 is correspondingly sleeved over the wire. Of course, the way of drawing the first conductor ring 23a and the second conductor ring 23b inside the heating chamber 1 out of the heating chamber 1 is not limited to this (for example, it may be drawn out of the heating chamber 1 through a connector penetrating through the base 26).
Optionally, the part of the electrode electrically connected with the infrared coating 22, which is located in the heating chamber 1, further comprises: an electrode coating 23c positioned between the first conductor ring 23a and the second conductor ring 23b and surrounding the infrared coating 22, the electrode coating 23c being in contact with the infrared coating 22. The electrode coating 23c is, for example, a metal coating. The electrode coating 23c may be one or a plurality of separate members. So, can realize the regional heating of the different regions subregion of cigarette material to improve the utilization ratio of cigarette material, and can control the smog volume.
The electrode coating 23c is led out of the heating cavity 1, for example, by applying the insulating protective layer on the electrode coating 23c, forming a through hole on the insulating protective layer, filling conductive paste through the through hole, forming a wire on the insulating protective layer by the conductive paste, wherein the wire is surrounded by the base 26 and extends to the lower side of the base 26, and then is connected to the control unit 4 through an electrode wire. Of course, the manner how the electrode coating 23c is electrically connected to the structure outside the heating chamber 1 is not limited thereto.
Alternatively, referring to fig. 3, the heating non-combustion apparatus further comprises: and the control unit 4 is electrically connected with the infrared coating 22, and the control unit 4 is used for controlling the heating power of the infrared coating 22.
Specifically, the control unit 4 may include a controller such as a Micro Control Unit (MCU), a DCDC converter, and the like. The output voltage of the DCDC converter is applied to the infrared coating 22. The DCDC converter is controlled by the MCU to convert the voltage supplied from the power supply 5 into a suitable voltage value, thereby controlling the heating power of the infrared coating layer 22.
Optionally, when the heater comprises a temperature measuring element 3 inserted in the hollow region of the carrier 21, the control unit 4 is also electrically connected to the temperature measuring element 3, the control unit 4 being further configured to: the temperature of the infrared coating 22 is determined based on the electric signal fed back from the temperature measuring element 3, and the heating power of the infrared coating 22 is adjusted so that the temperature of the infrared coating 22 reaches a desired temperature. In this way, the temperature of the infrared coating 22 can be precisely controlled, and the quality of the smoke can be improved.
Also shown in fig. 3 is a power supply 5 and a housing 6. This part is conventional in design.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The protective scope of the present application is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present application by those skilled in the art without departing from the scope and spirit of the present application. It is intended that the present application also include such modifications and variations as come within the scope of the appended claims and their equivalents.