CN-122004541-A - Cooperative heating method of electromagnetic heating smoking set and electromagnetic heating smoking set

CN122004541ACN 122004541 ACN122004541 ACN 122004541ACN-122004541-A

Abstract

The patent discloses a cooperative heating method of an electromagnetic heating smoking set and the electromagnetic heating smoking set, wherein the electromagnetic heating smoking set comprises a peripheral heating module, a central induction heating module and a cooperative control module, the heating method of the cooperative control module comprises the steps that a high-frequency signal generator outputs high-frequency current of 1MHz-30MHz to the peripheral heating module, the peripheral heating module generates an alternating magnetic field to act on the central induction heating module in a heating cigarette to perform central heating, the peripheral heating module generates Joule heat to conduct to the periphery of the heating cigarette to perform peripheral heating, a temperature detection unit detects the temperatures of the central induction heating module and the peripheral heating module, and when the temperature of the central induction heating module reaches 250 ℃ to 350 ℃, and the temperature of the peripheral heating module reaches 150 ℃ to 300 ℃, a power distribution unit adjusts the central heating power of the central induction heating module to account for 30% to 50% of the total heating power so as to maintain the stability of a temperature field. This patent has realized improving heating area and has kept the stable purpose of temperature field.

Inventors

HUANG TING
LIU HUACHEN
TANG LIANGYING
TAN JIAN
WU CONG

Assignees

湖北中烟工业有限责任公司

Dates

Publication Date: 20260512
Application Date: 20260331

Claims (9)

1. The cooperative heating method of the electromagnetic heating smoking set is characterized in that the electromagnetic heating smoking set comprises a peripheral heating module, a central induction heating module and a cooperative control module; the peripheral heating module is arranged close to the periphery of the heated cigarettes; The central induction heating module is arranged inside the heating cigarette, The cooperative control module is connected with the peripheral heating module to control the high-frequency current of the peripheral heating module; The cooperative control module comprises a high-frequency signal generator, a temperature detection unit and a power distribution unit; the heating method of the cooperative control module comprises the following steps: The method comprises the following steps that 1, a high-frequency signal generator outputs high-frequency current of 1MHz-30MHz to a peripheral heating module, an alternating magnetic field generated by the peripheral heating module acts on a central induction heating module in a heating cigarette to perform central heating, and joule heat generated by the peripheral heating module is conducted to the periphery of the heating cigarette to perform peripheral heating; And 2, detecting the temperatures of the central induction heating module and the peripheral heating module by the temperature detection unit, and adjusting the central heating power of the central induction heating module to be 30-50% of the total heating power by the power distribution unit to maintain the stability of a temperature field when the temperature of the central induction heating module reaches 250-350 ℃ and the temperature of the peripheral heating module reaches 150-300 ℃.
2. The cooperative heating method of an electromagnetic heating smoking set according to claim 1, wherein the step 2 includes the steps of: Step 21, the central induction heating module carries out central heating under the action of the alternating magnetic field, and when the temperature detection unit detects that the temperature of the central induction heating module reaches 250-350 ℃, the temperature detection unit transmits the detected temperature of the peripheral heating module to the power distribution unit; Step 22, the power distribution unit receives the temperature of the peripheral heating module, and when the temperature of the peripheral heating module is lower than 150 ℃, the power distribution unit adjusts the peripheral heating power to 70-90% of the total heating power so that the peripheral heating module heats up at a first heating rate, wherein the total heating power comprises the central heating power and the peripheral heating power of the peripheral heating module; step 23, when the temperature of the peripheral heating module in the step 22 is raised to be greater than or equal to 150 ℃, the power distribution unit enters a transition regulation stage; In the transition regulation stage, the power distribution unit controls the peripheral heating power to be dynamically regulated downwards so that the peripheral heating module is heated at a second heating rate, and the second heating rate is smaller than the first heating rate; and 24, when the temperature of the peripheral heating module in the step 23 is raised to 200-300 ℃, the power distribution unit adjusts the central heating power to be 30-50% of the total heating power so as to maintain the stable temperature field.
3. The cooperative heating method of an electromagnetic heating smoking set according to claim 2, wherein the step2 further includes the steps of: and 25, cutting off the electric connection between the power supply module and the cooperative control module to stop the heating work of the electromagnetic heating smoking set when the heating time of the peripheral heating module and the central induction heating module in the step 24 reaches 2-3 min, 3-4 min, 4-5 min or 5-10 min.
4. The cooperative heating method of an electromagnetic heating smoking set according to claim 2, wherein the step2 further includes the steps of: And step 26, when the heated cigarettes are moved out of the electromagnetic heating smoking set, cutting off the electric connection between the power supply module and the cooperative control module so as to stop the heating work of the electromagnetic heating smoking set.
5. An electromagnetic heating smoking article, characterized in that the electromagnetic heating smoking article employs the cooperative heating method of the electromagnetic heating smoking article of any one of claims 1-4; The electromagnetic heating smoking set comprises a peripheral heating module, a central induction heating module, a cooperative control module and a power supply module; The peripheral heating module is arranged close to the periphery of the heated cigarettes so as to perform peripheral heating; the central induction heating module is arranged inside the heating cigarette to perform central heating under the action of the alternating magnetic field generated by the peripheral heating module, The cooperative control module is connected with the peripheral heating module to control the high-frequency current of the peripheral heating module; The cooperative control module comprises a high-frequency signal generator, a temperature detection unit and a power distribution unit; The high-frequency signal generator is used for outputting the high-frequency current to the peripheral heating module; the temperature detection unit is used for detecting the temperatures of the central induction heating module and the peripheral heating module; the power distribution unit is used for adjusting the central heating power of the central induction heating module and/or the peripheral heating power of the peripheral heating module; the power supply module is used for supplying power to the cooperative control module.
6. The electromagnetic heating smoking article of claim 5, wherein said peripheral heating module is a ceramic coil assembly; The ceramic coil assembly comprises a ceramic matrix and a conductive coil; the ceramic matrix and the conductive coil are fixed in a sintering or embedding mode.
7. The electromagnetic heating smoking article of claim 6, wherein said ceramic substrate is a ceramic material of Al 2 O 3 or ZrO 2 ; the conductive coil is made of silver-palladium alloy or platinum-rhodium alloy; The diameter of the conductive coil is 0.1-0.3mm, and the number of turns of the conductive coil is 8-15 turns.
8. The electromagnetic heating smoking set of claim 5, wherein said central induction heating module is a central susceptor, The central susceptor is made of iron-based alloy or iron-nickel alloy.
9. The electromagnetic heating smoking set of claim 5, wherein the temperature detection unit comprises an NTC thermistor or an infrared thermometry module.

Description

Cooperative heating method of electromagnetic heating smoking set and electromagnetic heating smoking set Technical Field This patent belongs to novel tobacco technical field, concretely relates to cooperative heating method and electromagnetic heating smoking set of electromagnetic heating smoking set. Background At present, a heating framework of a single central induction piece is generally adopted for products in the field of novel tobacco electromagnetic heating smoking set, and the core of the heating framework depends on a small electromagnetic induction body arranged in a cigarette to generate eddy current heating in an alternating magnetic field, so that tobacco is baked to generate aerosol. However, the volume of the built-in electromagnetic sheet of the cigarette is limited, only local heating of the central area of the tobacco can be realized, the peripheral tobacco can not be effectively baked, the heating utilization rate is low, the transmitting end of the existing heating device adopts a plurality of strands of copper coils, the temperature resistance limit is less than or equal to 150 ℃, and a large amount of heat is lost through heat conduction in the working process. To break through the above limitations, some researches have attempted to increase the number of turns of the coil or to increase the magnetic field strength, but the problems of insufficient heating area and uneven temperature field cannot be fundamentally solved. Therefore, developing a novel technical scheme capable of realizing uniform heating of the whole tobacco area becomes a core requirement for research and development of the current electromagnetic heating smoking set. Disclosure of Invention The patent aims to provide a cooperative heating method of an electromagnetic heating smoking set and the electromagnetic heating smoking set, so as to achieve the purposes of improving the heating area and maintaining the stability of a temperature field. For solving the technical problem, the patent adopts the following technical scheme: the cooperative heating method of the electromagnetic heating smoking set comprises a peripheral heating module, a central induction heating module and a cooperative control module; the peripheral heating module is arranged close to the periphery of the heating cigarette; the central induction heating module is arranged inside the heating cigarette, The cooperative control module is connected with the peripheral heating module to control the high-frequency current of the peripheral heating module; The cooperative control module comprises a high-frequency signal generator, a temperature detection unit and a power distribution unit; The heating method of the cooperative control module comprises the following steps: the method comprises the following steps that 1, a high-frequency signal generator outputs high-frequency current of 1MHz-30MHz to a peripheral heating module, an alternating magnetic field generated by the peripheral heating module acts on a central induction heating module in a heating cigarette to perform central heating, and joule heat generated by the peripheral heating module is conducted to the periphery of the heating cigarette to perform peripheral heating; and 2, detecting the temperatures of the central induction heating module and the peripheral heating module by the temperature detection unit, and adjusting the central heating power of the central induction heating module to be 30-50% of the total heating power by the power distribution unit when the temperature of the central induction heating module reaches 250-350 ℃ and the temperature of the peripheral heating module reaches 150-300 ℃ so as to maintain the stability of a temperature field. Further, step2 includes the steps of: Step 21, the central induction heating module carries out central heating under the action of an alternating magnetic field, and when the temperature detection unit detects that the temperature of the central induction heating module reaches 250-350 ℃, the temperature detection unit transmits the detected temperature of the peripheral heating module to the power distribution unit; Step 22, the power distribution unit receives the temperature of the peripheral heating module, and when the temperature of the peripheral heating module is lower than 150 ℃, the power distribution unit adjusts the peripheral heating power to 70-90% of the total heating power so that the peripheral heating module heats at a first heating rate, wherein the total heating power comprises the central heating power and the peripheral heating power of the peripheral heating module; Step 23, when the temperature of the peripheral heating module in step 22 is raised to be greater than or equal to 150 ℃, the power distribution unit enters a transition regulation stage; in the transition regulation stage, the power distribution unit controls the peripheral heating power to be dynamically regulated downwards so that the peripher