Self-adjusting heating temperature control method and system for heating smoking set

Abstract

The invention relates to the field of heating cigarettes, in particular to a heating temperature control method and system for self-adjustment of a heating smoking set, and the heating temperature control method comprises the steps of temperature data acquisition, error prediction and power adjustment. According to the method, temperature data of the heating air duct in the smoking set can be monitored and obtained in real time, and temperature error prediction of the heating air duct is obtained through feedback; by predicting the temperature error of the heating air duct in the smoking set and feeding back and adjusting the heating power of the electromagnetic coil, the heating efficiency and temperature uniformity of the smoking set can be effectively improved, and then the heating effect of heating cigarettes is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of heated cigarettes, and in particular to a method and system for controlling the self-regulating heating temperature of a heated smoking device. Background Art

[0002] Heated cigarettes are tobacco products that are heated without burning, and are often used in conjunction with heated smoking utensils. Using heated smoking utensils to heat heated cigarettes can achieve the purpose of directly heating tobacco without burning and producing smoke. The key performance of heated smoking utensils is highlighted in the control of heating efficiency and heating temperature. Existing heated smoking utensils generally have the problems of low heating efficiency and uneven heating temperature. The present invention aims to solve these problems through a control method to improve heating efficiency and temperature uniformity. Summary of the invention

[0003] The present invention aims to provide a self-regulating heating temperature control method and system for a heating smoking device, so as to solve the problems existing in the background technology and improve the heating efficiency and temperature uniformity of the smoking device.

[0004] The present invention adopts the following technical solution: A method for controlling the self-regulating heating temperature of a heating smoking device comprises the following steps: Temperature data acquisition: obtain the temperature t3 of the air temperature measuring thermocouple at the outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the inlet end of the heating air duct, and the temperature t1 of the temperature measuring thermocouple of the electromagnetic heating plate in the middle section of the heating air duct; Error prediction: Temperature error prediction is performed based on the deviation formula, which is: ; Among them, T is the predicted value of temperature error, k is the temperature conversion coefficient of electromagnetic heating plate; Power adjustment: Based on the temperature error prediction value T, the heating power of the electromagnetic coil is adjusted by feedback.

[0005] Furthermore, the feedback adjustment of the heating power of the electromagnetic coil based on the temperature error prediction value T specifically includes: If the temperature error prediction value T is greater than or equal to 0, the electromagnetic coil power is multiplied by a factor of a; If the temperature error prediction value T is less than 0, the electromagnetic coil power is reduced by multiplying it by a factor of a.

[0006] Furthermore, the coil power adjustment coefficient a is determined based on Formula 2, which is: ; Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

[0007] Furthermore, in the step of acquiring temperature data, the frequency of collecting temperature data is at least once per second.

[0008] Furthermore, the heating power adjustment range of the electromagnetic coil is 10%-100% of the rated power of the electromagnetic coil.

[0009] Furthermore, the power adjustment step also includes a safety monitoring mechanism, which automatically reduces the power or cuts off the power supply when the heating power of the electromagnetic coil exceeds a preset safety threshold.

[0010] Furthermore, the heating smoking device includes a smoking device shell, and a heating component and a temperature measuring thermocouple arranged in the smoking device shell; the heating component includes a heating element, a heat dissipation element and an electromagnetic coil; a heating air duct is formed inside the heating element, one end of the heating air duct is an air inlet end, and the other end is an air outlet end; the heat dissipation element is arranged on the inner wall of the air duct formed by the heating element; the electromagnetic coil is arranged on the outer periphery of the heating element and is electrically connected to a power supply to make the heating element generate heat; the temperature measuring thermocouple includes an electromagnetic heating plate temperature measuring thermocouple and an air temperature measuring thermocouple; an electromagnetic heating plate temperature measuring thermocouple is provided on the electromagnetic coil located in the middle section of the heating air duct, and an air temperature measuring thermocouple is also provided between the air inlet end and the air outlet end of the heating air duct.

[0011] The present application also provides a self-regulating heating temperature control system for a heated smoking device, comprising: A temperature data acquisition module, the temperature data acquisition module is used to obtain the temperature t3 of the air temperature measuring thermocouple at the air outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the air inlet end of the heating air duct, and the temperature t1 of the electromagnetic heating plate temperature measuring thermocouple in the middle section of the heating air duct; An error prediction module, wherein the error prediction module is used to predict the temperature error based on a deviation formula; A power adjustment module is used to increase the electromagnetic coil power by a factor of a when the temperature error prediction value T is greater than or equal to 0; and to reduce the electromagnetic coil power by a factor of a when the temperature error prediction value T is less than 0.

[0012] Furthermore, the deviation formula is: ; Wherein, T is the predicted value of temperature error, and k is the temperature conversion coefficient of the electromagnetic heating plate.

[0013] Furthermore, the self-regulating heating temperature control system of the heating smoking device of the present application further includes a determination module, which is used to determine the coil power adjustment coefficient a based on Formula 2; Formula 2 is: ; Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

[0014] Furthermore, the self-regulating heating temperature control system of the heated smoking device of the present application also includes a safety monitoring mechanism module, which is used to automatically reduce the power or cut off the power supply when the heating power of the electromagnetic coil exceeds a preset safety threshold.

[0015] Beneficial effects: The present application provides a self-regulating heating temperature control method for a heated smoking device, which can monitor and obtain the temperature data of the heating air duct in the smoking device in real time, and provide feedback to obtain a temperature error prediction of the heating air duct; by predicting the temperature error of the heating air duct in the smoking device and providing feedback to adjust the heating power of the electromagnetic coil, the heating efficiency and temperature uniformity of the smoking device can be effectively improved, thereby enhancing the heating effect on the heated cigarettes.

[0016] The present application discloses a self-regulating heating temperature control system for a heated smoking device, which is built into the heated smoking device; a heating component and a temperature measuring thermocouple are installed on one side of the smoking device shell, and an electrically connected control system and a power supply module are built into the other side of the smoking device shell. The heating component is electrically connected to the control system, and the heating is controlled by the control system. The control system adjusts the heating coil power in real time according to the operating logic of the above-mentioned control method, effectively enhancing the heating efficiency and temperature uniformity of the smoking device, thereby improving the heating effect of the heated cigarettes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A flow chart of a method for controlling the self-regulating heating temperature of a heated smoking device provided in the present application; Figure 2 This is a schematic diagram of the structure of the heating smoking device in this embodiment; Figure 3 for Figure 2 Schematic diagram of the structure of the heating component and the temperature measuring couple; Among them, 1. tobacco device shell, 2. heating element, 3. control system, 4. power supply module; 5. electromagnetic coil, 6. electromagnetic heating plate temperature measuring thermocouple, 7. air temperature measuring thermocouple; 8. heat dissipation element, 9. heated cigarette. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] The present invention will be described in detail below with reference to the accompanying drawings: like Figure 1-3 As shown, a method for controlling the self-regulating heating temperature of a heating smoking device comprises the following steps: Temperature data acquisition: obtain the temperature t3 of the air temperature measuring thermocouple at the outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the inlet end of the heating air duct, and the temperature t1 of the temperature measuring thermocouple of the electromagnetic heating plate in the middle section of the heating air duct; Error prediction: Temperature error prediction is performed based on the deviation formula, which is: ; Among them, T is the predicted value of temperature error, k is the temperature conversion coefficient of electromagnetic heating plate; Power adjustment: Based on the temperature error prediction value T, the heating power of the electromagnetic coil is adjusted by feedback.

[0025] Furthermore, the feedback adjustment of the heating power of the electromagnetic coil based on the temperature error prediction value T specifically includes: If the temperature error prediction value T is greater than or equal to 0, the electromagnetic coil power is multiplied by a factor of a; If the temperature error prediction value T is less than 0, the electromagnetic coil power is reduced by multiplying it by a factor of a.

[0026] Furthermore, the coil power adjustment coefficient a is determined based on Formula 2, which is: ; Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

[0027] In the specific application of the self-regulating heating temperature control method of the heating tobacco device of the present application, at a certain moment, (t1=300℃), (t2=22℃), (t3=67℃), (k=0.13) were measured, and (T=-6<0) was calculated, indicating that the heating power was too high. The control system controlled the electromagnetic coil power to be reduced by (a=0.87) times, reducing the heating power and achieving a lower air temperature at the outlet. At another moment, (t1=278℃), (t2=21℃), (t3=53℃), (k=0.13) were measured, and (T=4.14>0) was calculated, indicating that the heating power was too low. The control system controlled the electromagnetic coil power to be expanded by (a=1.13) times, increasing the heating power and achieving a more adequate heating effect.

[0028] The heating temperature control method of the present invention can adjust the heating power according to actual temperature feedback, thereby ensuring the efficiency and uniformity of the heating process, and is applicable to various heating smoking utensils.

[0029] Furthermore, in the step of acquiring temperature data, the temperature data is collected at least once per second.

[0030] Furthermore, the heating power adjustment range of the electromagnetic coil is 10%-100% of the rated power of the electromagnetic coil.

[0031] Furthermore, the power adjustment step also includes a safety monitoring mechanism, which automatically reduces the power or cuts off the power supply when the heating power of the electromagnetic coil exceeds the preset safety threshold. The safety monitoring mechanism is designed to automatically reduce the power or cut off the power supply when the heating power of the electromagnetic coil exceeds the preset safety threshold, effectively preventing overheating and potential safety risks, and improving the safety and reliability of the smoking device.

[0032] Furthermore, the heating smoking device includes a smoking device shell 1, and a heating component and a temperature measuring thermocouple arranged in the smoking device shell; the heating component includes a heating element 2, a heat sink 8 and an electromagnetic coil 5; a heating air duct is formed inside the heating element, one end of the heating air duct is an air inlet end, and the other end is an air outlet end; the heat sink is arranged on the inner wall of the air duct formed by the heating element; the electromagnetic coil is arranged on the outer periphery of the heating element and is electrically connected to a power supply to make the heating element generate heat; the temperature measuring thermocouple includes an electromagnetic heating plate temperature measuring thermocouple 6 and an air temperature measuring thermocouple 7; an electromagnetic heating plate temperature measuring thermocouple is provided on the electromagnetic coil located in the middle section of the heating air duct, and an air temperature measuring thermocouple is also provided between the air inlet end and the air outlet end of the heating air duct.

[0033] It should be noted that there is an air inlet passage in the smoking device shell, one end of the air inlet passage is connected to the outside of the smoking device, and the other end is connected to the air inlet end of the heating element.

[0034] Furthermore, the heating element is a metal or metal alloy fixture.

[0035] Furthermore, the cross section of the heating air duct is any one of a circle, a rectangle, and a rounded rectangle.

[0036] Furthermore, along the axial direction of the heating air duct, a plurality of heat dissipating elements are provided on the inner wall of the heating air duct.

[0037] Furthermore, the heat sink is a plurality of heat sink fins or a heat sink net.

[0038] Furthermore, the power supply module includes a power supply and a power charging socket, and the power charging socket can be externally charged and powered.

[0039] A heating component and a temperature measuring thermocouple are installed on one side of the smoking device shell, and an electrically connected control system 3 and a power supply module 4 are built-in on the other side of the smoking device shell. The heating component is electrically connected to the control system, and the heating is controlled by the control system. The control system adjusts the heating coil power in real time according to the operating logic of the above-mentioned control method, effectively enhancing the heating efficiency and temperature uniformity of the smoking device, thereby improving the heating effect of the heated cigarette 9.

[0040] The present application also provides a self-regulating heating temperature control system for a heated smoking device, comprising: A temperature data acquisition module, the temperature data acquisition module is used to obtain the temperature t3 of the air temperature measuring thermocouple at the air outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the air inlet end of the heating air duct, and the temperature t1 of the electromagnetic heating plate temperature measuring thermocouple in the middle section of the heating air duct; An error prediction module, wherein the error prediction module is used to predict the temperature error based on a deviation formula; A power adjustment module is used to increase the electromagnetic coil power by a factor of a when the temperature error prediction value T is greater than or equal to 0; and to reduce the electromagnetic coil power by a factor of a when the temperature error prediction value T is less than 0.

[0041] Furthermore, the deviation formula is: ; Wherein, T is the predicted value of temperature error, and k is the temperature conversion coefficient of the electromagnetic heating plate.

[0042] Furthermore, the self-regulating heating temperature control system of the heating smoking device of the present application further includes a determination module, which is used to determine the coil power adjustment coefficient a based on Formula 2; Formula 2 is: ; Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

[0043] Furthermore, the self-regulating heating temperature control system of the heated smoking device of the present application also includes a safety monitoring mechanism module, which is used to automatically reduce the power or cut off the power supply when the heating power of the electromagnetic coil exceeds a preset safety threshold.

[0044] The heating smoking device and the heating temperature control method and system of the present invention achieve the following significant beneficial effects through accurate temperature monitoring and power self-adjustment mechanism: Improve heating efficiency: By real-time monitoring of the temperature of the heating air duct and predicting the temperature error, the present invention can accurately control the heating power of the electromagnetic coil to regulate the heating and significantly improve the heating efficiency. Compared with traditional heating smoking devices, the heating speed is increased by at least 20% and the energy consumption is reduced by about 10%. By accurately controlling the heating process, the present invention can provide a more stable and comfortable smoking experience.

[0045] Optimize temperature uniformity: The present invention ensures uniform temperature distribution in the heating air duct through a self-regulating mechanism, reduces the problem of insufficient or overheating of tobacco caused by uneven temperature, improves the uniformity of tobacco heating, and ensures a better user experience and consistency of tobacco flavor.

[0046] Enhanced safety: The built-in safety monitoring mechanism can automatically reduce the power or cut off the power supply when the heating power of the electromagnetic coil exceeds the preset safety threshold, effectively preventing overheating and potential safety risks, and improving the safety and reliability of the smoking device.

[0047] Strong adaptability: The control system of the present invention can adapt to temperature changes under different environments and usage conditions, ensuring that a consistent heating effect can be provided under various conditions, thereby enhancing the adaptability and stability of the smoking device.

[0048] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for controlling the self-regulating heating temperature of a heating smoking device, characterized in that: The following steps are involved: Temperature data acquisition: obtain the temperature t3 of the air temperature measuring thermocouple at the outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the inlet end of the heating air duct, and the temperature t1 of the temperature measuring thermocouple of the electromagnetic heating plate in the middle section of the heating air duct; Error prediction: Temperature error prediction is performed based on the deviation formula, which is: ; Among them, T is the predicted value of temperature error, k is the temperature conversion coefficient of electromagnetic heating plate; Power adjustment: Based on the temperature error prediction value T, the heating power of the electromagnetic coil is adjusted by feedback.

2. The method for controlling the self-regulating heating temperature of a heating smoking device according to claim 1, characterized in that: The method of adjusting the heating power of the electromagnetic coil by feedback based on the temperature error prediction value T specifically includes: If the temperature error prediction value T is greater than or equal to 0, the electromagnetic coil power is multiplied by a factor of a; If the temperature error prediction value T is less than 0, the electromagnetic coil power is reduced by multiplying it by a factor of a.

3. The method for controlling the self-regulating heating temperature of a heating smoking device according to claim 2, characterized in that: The coil power adjustment coefficient a is determined based on formula 2, which is: ； Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

4. The method for controlling the self-regulating heating temperature of a heating smoking device according to claim 1, characterized in that: In the step of acquiring temperature data, the temperature data is collected at least once per second.

5. The method for controlling the self-regulating heating temperature of a heating smoking device according to any one of claims 1 to 4, characterized in that: The heating power adjustment range of the electromagnetic coil is 10%-100% of the rated power of the electromagnetic coil.

6. The method for controlling the self-regulating heating temperature of a heating smoking device according to claim 5, characterized in that: The power adjustment step also includes a safety monitoring mechanism, which automatically reduces the power or cuts off the power supply when the heating power of the electromagnetic coil exceeds a preset safety threshold.

7. The method for controlling the self-regulating heating temperature of a heating smoking device according to any one of claims 1 to 4 and 6, characterized in that: The heating smoking device comprises a smoking device shell, and a heating component and a temperature measuring thermocouple arranged in the smoking device shell; the heating component comprises a heating element, a heat dissipation element and an electromagnetic coil; a heating air duct is formed inside the heating element, one end of the heating air duct is an air inlet end, and the other end is an air outlet end; the heat dissipation element is arranged on the inner wall of the air duct formed by the heating element; the electromagnetic coil is arranged on the outer periphery of the heating element and is electrically connected to a power supply to make the heating element generate heat; the temperature measuring thermocouple comprises an electromagnetic heating plate temperature measuring thermocouple and an air temperature measuring thermocouple; an electromagnetic heating plate temperature measuring thermocouple is arranged on the electromagnetic coil located in the middle section of the heating air duct, and an air temperature measuring thermocouple is also arranged between the air inlet end and the air outlet end of the heating air duct.

8. A self-regulating heating temperature control system for a heated smoking device, characterized in that: include: A temperature data acquisition module, the temperature data acquisition module is used to obtain the temperature t3 of the air temperature measuring thermocouple at the air outlet end of the heating air duct in the smoking device, the temperature t2 of the air temperature measuring thermocouple at the air inlet end of the heating air duct, and the temperature t1 of the electromagnetic heating plate temperature measuring thermocouple in the middle section of the heating air duct; An error prediction module, wherein the error prediction module is used to predict the temperature error based on a deviation formula; A power adjustment module is used to increase the electromagnetic coil power by a factor of a when the temperature error prediction value T is greater than or equal to 0; and to reduce the electromagnetic coil power by a factor of a when the temperature error prediction value T is less than 0.

9. The self-regulating heating temperature control system of the heating smoking device according to claim 7, characterized in that: The deviation formula is: ; Wherein, T is the predicted value of temperature error, and k is the temperature conversion coefficient of the electromagnetic heating plate.

10. The self-regulating heating temperature control system of the heating smoking device according to claim 7, characterized in that: The invention also includes a determination module, which is used to determine the coil power adjustment coefficient a based on Formula 2; Formula 2 is: ； Among them, k is the temperature conversion coefficient of the electromagnetic heating plate, and a is the coil power adjustment coefficient.

11. The self-regulating heating temperature control system of the heated smoking device according to claim 7, characterized in that: It also includes a safety monitoring mechanism module, which is used to automatically reduce the power or cut off the power supply when the heating power of the electromagnetic coil exceeds a preset safety threshold.

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