Heating smoking set capable of accurately regulating and controlling heating temperature

Abstract

The utility model discloses a heating smoking set capable of accurately regulating and controlling the heating temperature, relates to the technical field of heating smoking sets, and aims to solve the problem that the heating temperature of the heating smoking set cannot be accurately regulated and controlled. The inner core assembly comprises a power supply unit, a control unit and a heating unit which are sequentially connected, the heating unit comprises a heating cavity and a heating element arranged in the heating cavity, the heating element is a cylindrical fine wire mesh, the heating element and the heating cavity are coaxially arranged, and the control unit comprises a detector used for detecting the heating temperature of the heating element in real time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating smoking set, more particularly to a kind of heating smoking set of precise control heating temperature. BACKGROUND

[0002] The main function of electric heating smoking set is to convert electric energy into heat energy, heat tobacco material, release smoke, meet the smoking demand of consumer to cigarette product. One of the key technologies of smoking set is the design and optimization of heating component, and reasonable structure design can effectively improve the thermal management performance of heat-not-burn smoking set, so that heat is more quickly conducted and utilized.

[0003] At present, most of the heating smoking set has the heating power feedback adjustment function relying on temperature monitoring, that is, by real-time monitoring the temperature of heating element or cigarette during heating process, the heating power of heating element is dynamically adjusted, to control the temperature in the set range during the whole smoking process. However, the current pin or sheet type heating component has certain thermal inertia and thermal resistance, and there is a delay between the change of smoking set thermal power and the actual temperature change, so the temperature regulation process is relatively slow, and therefore it is not conducive to the precise control of heating temperature of heating smoking set.

[0004] Therefore, how to solve the problem that the heating temperature of heating smoking set cannot be precisely controlled is a problem to be solved by the technical personnel in the field at present. UTILITY MODEL CONTENT

[0005] Therefore, the purpose of the utility model is to provide a kind of heating smoking set of precise control heating temperature, and the thermal inertia is small, so that heating temperature can be quickly and accurately regulated.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of heating smoking set of precise control heating temperature, including shell and the inner core assembly arranged in the shell, the inner core assembly includes the power supply unit, control unit and heating unit connected in sequence, the heating unit includes heating cavity and the heating element arranged in the heating cavity, the heating element is the tubular thin metal wire mesh, and the heating element is coaxially arranged with the heating cavity, and the control unit includes detector for real-time detection of the heating temperature of heating element.

[0008] Preferably, the thin metal wire mesh is a grid structure assembled by metal wires, and the diameter of the metal wires ranges from 5 to 30 microns.

[0009] Preferably, the thin metal wire mesh is connected to the positive and negative poles of the power supply unit through two electrodes, and the electrodes are elastic electrodes.

[0010] Preferably, the heating cavity comprises an inner layer structure for mounting the heating element, and further comprises an outer layer structure arranged outside the inner layer structure, and a sandwich space between the inner layer structure and the outer layer structure, and the sandwich space is provided with a detector, and the detector is a temperature sensor.

[0011] Preferably, the temperature sensor is provided with at least two, and the at least two temperature sensors are arranged in the circumferential direction of the fine metal wire mesh and are located at different heights in the sandwich space.

[0012] Preferably, the temperature sensor is a K-type thermocouple, and the diameter of the K-type thermocouple is 20-50 microns.

[0013] Preferably, the inner wall of the shell is provided with a heat insulation layer.

[0014] Preferably, the control unit comprises an input keyboard for inputting instructions, a display screen for displaying the temperature of the temperature sensor, and a control panel for controlling the output current size of the power supply unit, and the input keyboard, the display screen and the temperature sensor are connected with the control panel.

[0015] Preferably, a base is arranged in the shell to divide the shell into an upper space and a lower space, the heating cavity is arranged in the upper space, the control panel and the power supply unit are arranged in the lower space, and the base is provided with a through hole for the electrode to pass through.

[0016] Preferably, the heating cavity is vertically arranged on the base, the upper end of the base is provided with a plug-in slot, and the lower end of the heating cavity is provided with a plug-in part matched with the plug-in slot.

[0017] The heating smoking set provided by the utility model can accurately control the heating temperature, and comprises a shell and an inner core assembly arranged in the shell, the inner core assembly comprises a power supply unit, a control unit and a heating unit connected in sequence, the power supply unit supplies power to the control unit and the heating unit, the heating unit is used for converting the electric energy provided by the power supply unit into heat energy to realize the heating of the cigarette, the control unit is used for controlling the output current size of the power supply unit to the heating unit to control the size of the electric energy converted into heat energy by the heating unit, thereby controlling the heating temperature of the heating unit to the cigarette.

[0018] The heating unit comprises a heating cavity and a heating element arranged in the heating cavity, the heating element is a cylindrical fine metal wire mesh, and the heating element is coaxially arranged with the heating cavity, the fine metal wire mesh directly contacts the smoking segment of the cigarette, and directly heats the smoking segment of the cigarette, the control unit comprises a detector for detecting the heating temperature of the heating element in real time, the heating temperature of the heating element is detected in real time through the detector, and a temperature signal is sent to the control unit, the current size passing through the heating element is controlled through the control unit, the real-time heating power of the heating element is regulated and controlled, the heat inertia of the fine metal wire mesh is small, the current size supplied to the heating element can be quickly adjusted according to the actual heating temperature change of the cigarette, the heating temperature of the cigarette is maintained around the set temperature, the temperature fluctuation is significantly reduced, and the effect of quickly and accurately regulating the heating temperature is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0020] Figure 1 The structure diagram of the heating smoking set provided by the present application can accurately regulate and control the heating temperature.

[0021] Figure 2 The structure diagram of the heating element provided by the present application.

[0022] Reference signs:

[0023] 1 - shell;

[0024] 2 - power supply unit;

[0025] 3 - control unit;

[0026] 4 - heating unit, 41 - heating cavity, 42 - heating element. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication.For ordinary skilled person in the art, can understand the specific meaning of above-mentioned terms in the utility model according to specific circumstances.

[0029] It should be noted that the "upper", "lower" and other orientation words in the following are defined based on the drawings attached to the specification.

[0030] The core of the utility model is to provide a kind of heating smoking set that can accurately regulate heating temperature, and the thermal inertia is small, which can quickly and accurately regulate heating temperature.

[0031] Please refer to Figure 1 And Figure 2 A kind of heating smoking set that can accurately regulate heating temperature includes shell 1 and the inner core assembly arranged in the inside of shell 1.

[0032] Specifically, the inner core assembly includes power supply unit 2, control unit 3 and heating unit 4 connected in sequence, power supply unit 2 supplies power to control unit 3 and heating unit 4, heating unit 4 is used to convert the electric energy provided by power supply unit 2 into heat energy to realize heating of cigarette, control unit 3 is used to control the size of current output from power supply unit 2 to heating unit 4 to control the size of electric energy converted into heat energy by heating unit 4, so as to control the heating temperature of heating unit 4 to cigarette.

[0033] Heating unit 4 includes heating cavity 41 and heating element 42 arranged in heating cavity 41, heating element 42 is a cylindrical thin metal mesh, and heating element 42 is coaxially arranged with heating cavity 41, the thin metal mesh directly contacts the smoking segment of cigarette, and directly heats the smoking segment of cigarette, control unit 3 includes a detector for detecting the heating temperature of heating element 42 in real time, the heating temperature of heating element 42 is detected in real time by the detector, and a temperature signal is sent to control unit 3, the size of current passing through heating element 42 is controlled by control unit 3, to realize real-time heating power regulation of heating element 42, the thermal inertia of thin metal mesh is small, and the size of current supplied to heating element 42 can be adjusted very quickly according to the actual heating temperature change of cigarette, so that the heating temperature of cigarette is maintained around the set temperature, and temperature fluctuation is significantly reduced, to achieve the effect of quickly and accurately regulating heating temperature.

[0034] The heating element 42 is a hollow cylindrical structure, and the heated cigarette smoking segment can be placed inside the hollow cylindrical structure to be heated. Preferably, the heating element 42 is a coaxial cylindrical structure with the inner surface of the heating cavity 41, and the inner diameter of the heating element 42 is not greater than the minimum inner diameter of the inner surface of the heating cavity 41.

[0035] The heating temperature of the heating smoking set can be precisely controlled by the above-mentioned method. Compared with the heating element 42 of the existing heating smoking set, the heating element 42 of the present application is a fine metal wire mesh, and directly contacts the smoking segment of the cigarette. The heating element 42 has small thermal inertia, flexible, fast and precise heating power control function, and can quickly adjust the heating power of the heating element 42 according to the actual heating temperature of the cigarette, so that the heating temperature of the cigarette is maintained around the set temperature, and the temperature fluctuation is significantly reduced.

[0036] In the above embodiment, the fine metal wire mesh is a grid structure composed of metal wires, and the diameter of the metal wires ranges from 5 to 30 microns.

[0037] It should be noted that the heating element 42 is a fine metal wire mesh, the diameter of the metal wire is preferably 5-30 microns, the pore size of the fine metal wire mesh is preferably 20-100 microns, the composition of the metal wire mesh includes at least one of nickel-chromium alloy, iron-chromium-aluminum alloy, copper-nickel alloy, platinum, and stainless steel. The inner diameter of the heating element 42 should not be too small to ensure that the maximum insertion force of the cigarette inserted into the heating cavity 41 does not exceed 20 N, that is, the diameter of the heating element 42 is 7-7.2 mm, and the height of the heating element 42 is 12.5 mm.

[0038] The heating element 42 has an adjustable heating rate, and the heating rate is not less than 100 K / s.

[0039] In the above case, the fine metal wire mesh is connected to the positive and negative poles of the power supply unit 2 through two electrodes, respectively, and the electrodes are elastic electrodes.

[0040] It can be understood that the heating mode of the heating element 42 is resistance heating, the heating element 42 is connected to the positive and negative poles of the power supply through two electrodes, respectively, the current passing through the heating element 42 is controlled by the control unit 3 to realize the real-time heating power control of the heating element 42, the two electrodes connected to the heating element 42 are elastic electrodes, the elastic electrodes have a slight tension, which has the effect of axially tensioning the heating element 42, avoiding the change of the inner diameter of the heating element 42 due to thermal expansion and contraction, and the elastic electrodes are preferably composed of a metal material with good conductivity, preferably copper electrodes, silver electrodes, and platinum electrodes.

[0041] Further, the heating cavity 41 includes an inner layer structure for mounting the heating element 42, and further includes an outer layer structure arranged outside the inner layer structure. The inner layer structure and the outer layer structure form a sandwich space therebetween, and the sandwich space is provided with a detector, which is a temperature sensor.

[0042] It should be noted that the temperature of the heating element 42 is detected in real time by the detector, and the detected temperature signal is sent to the control unit 3. The control unit 3 determines whether the current temperature of the heating element 42 meets the requirements. If the temperature does not meet the requirements, the control unit 3 controls the current provided by the power supply unit 2 to the heating element 42, so as to realize the real-time heating power regulation of the heating element 42.

[0043] In the above embodiment, the temperature sensor is provided with at least two, and the at least two temperature sensors are arranged on the circumference of the fine metal wire mesh and located at different heights in the interlayer space.

[0044] It can be understood that in order to ensure that the temperature value of the heating element 42 region can be accurately measured, the temperature sensor is respectively arranged at the center and the edge of the heating element 42. The temperature sensor detects the temperature change of at least two different positions of the heating element 42 in real time, and sends the detected temperature signal to the control unit 3. The control unit 3 takes the average value of the temperature measured by each temperature sensor as the indicative temperature of the heating element 42.

[0045] On the basis of the above embodiment, the temperature sensor is a K-type thermocouple, and the diameter of the K-type thermocouple is 20-50 microns.

[0046] It should be noted that the temperature sensor is preferably a thermocouple, and the thermocouple for detecting the heating element 42 is in direct contact with the heating element 42. Further preferably, it is a K-type thermocouple, and the diameter of the thermocouple is preferably 20-50 microns.

[0047] In the above embodiment, the inner wall of the shell 1 is provided with a heat insulation layer.

[0048] It can be understood that by arranging the heat insulation layer, the temperature of the heating element 42 is prevented from being conducted to the shell 1, so as to prevent the shell 1 from being overheated and causing burns.

[0049] As a preferred embodiment, the control unit 3 includes an input keyboard for inputting instructions, a display screen for displaying the temperature of the temperature sensor, and a control panel for controlling the current output by the power supply unit 2. The input keyboard, the display screen and the temperature sensor are connected to the control panel.

[0050] It should be noted that the heating temperature required by the heating element 42 is input through the input keyboard and transmitted to the control panel. The control panel controls the current passing through the heating element 42. The temperature sensor detects the heating temperature of the heating element 42 in real time and sends the detected temperature signal to the control panel. The display screen displays the temperature. The control panel determines the size of the real-time temperature and the required temperature, and controls the current passing through the heating element 42, so as to realize the real-time heating power regulation of the heating element 42.

[0051] In the above case, the shell 1 is provided with a base to divide the shell 1 into an upper space and a lower space, the heating cavity 41 is arranged in the upper space, the control panel and the power supply unit 2 are arranged in the lower space, and the base is provided with a through hole for the electrode to pass through.

[0052] It can be understood that the heating cavity 41 is fixed on the base to divide the shell 1 into two spaces, the lower end surface of the base is provided with a heat insulation layer to avoid the heat of the heating element 42 being transmitted to the power supply unit 2 and the control panel, and the power supply unit 2 and the control unit 3 are damaged due to excessive heat.

[0053] In the above embodiment, the heating cavity 41 is vertically arranged on the base, the upper end of the base is provided with a plug-in slot, and the lower end of the heating cavity 41 is provided with a plug-in part matched with the plug-in slot.

[0054] It should be noted that the heating cavity 41 is plug-in arranged on the base to realize the connection of the heating cavity 41 and the base.

[0055] In summary, the heating smoking set provided by the present application can accurately control the heating temperature, the heating element 42 is arranged as a metal wire mesh, the thermal inertia is small, and compared with the existing heating element 42, the heating power of the heating element 42 can be flexibly, quickly and accurately controlled.

[0056] In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.

[0057] The above describes in detail the heating smoking set provided by the present application. In this paper, specific examples are applied to describe the principle and implementation mode of the present application, and the above embodiment is only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A heating smoke appliance with precisely adjustable heating temperature, characterized in that, The device includes a housing (1) and an inner core assembly disposed inside the housing (1). The inner core assembly includes a power supply unit (2), a control unit (3), and a heating unit (4) connected in sequence. The heating unit (4) includes a heating cavity (41) and a heating element (42) disposed inside the heating cavity (41). The heating element (42) is a cylindrical fine metal mesh and is coaxially arranged with the heating cavity (41). The control unit (3) includes a detector for real-time detection of the heating temperature of the heating element (42).

2. The heating appliance with precisely adjustable heating temperature according to claim 1, characterized in that, The fine metal mesh is a mesh structure assembled from metal wires, the diameter of which ranges from 5 to 30 micrometers.

3. The heating appliance with precisely adjustable heating temperature according to claim 2, characterized in that, The fine metal mesh is connected to the positive and negative terminals of the power supply unit (2) via two electrodes, which are elastic electrodes.

4. The heating appliance with precisely adjustable heating temperature according to claim 3, characterized in that, The heating cavity (41) includes an inner layer structure for mounting the heating element (42) and an outer layer structure disposed outside the inner layer structure. There is a sandwich space between the inner layer structure and the outer layer structure. The sandwich space is provided with the detector, which is a temperature sensor.

5. The heating appliance with precisely adjustable heating temperature according to claim 4, characterized in that, At least two temperature sensors are provided, and the at least two temperature sensors are located around the circumference of the fine metal wire mesh and at different heights within the interlayer space.

6. The heating appliance with precisely adjustable heating temperature according to claim 5, characterized in that, The temperature sensor is a type K thermocouple, and the diameter of the type K thermocouple is 20-50 micrometers.

7. The heating appliance with precisely adjustable heating temperature according to claim 1, characterized in that, The inner wall of the shell (1) is provided with a heat insulation layer.

8. The heating appliance with precisely adjustable heating temperature according to claim 6, characterized in that, The control unit (3) includes an input keyboard for inputting commands, a display screen for displaying the temperature of the temperature sensor, and a control board for controlling the output current of the power supply unit (2). The input keyboard, the display screen, and the temperature sensor are all connected to the control board.

9. The heating appliance with precisely adjustable heating temperature according to claim 8, characterized in that, The housing (1) is provided with a base to divide the housing (1) into an upper space and a lower space. The heating cavity (41) is located in the upper space, and the control board and the power supply unit (2) are located in the lower space. The base is provided with a through hole for the electrode to pass through.

10. The heating appliance with precisely adjustable heating temperature according to claim 9, characterized in that, The heating chamber (41) is vertically disposed on the base. The upper end of the base is provided with a plug-in groove, and the lower end of the heating chamber (41) is provided with a plug-in part that cooperates with the plug-in groove.

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