Control method and device of induction heating system

Abstract

The present invention discloses a control method and device for an induction heating system. The method includes detecting when the insertion characteristics of a smoking article meet predetermined criteria, triggering the heating system to automatically start; detecting smoke concentration and calculating its changing trend, determining the current puffing state of the smoking article based on the smoke concentration changing trend; and adjusting the output temperature of the heating system based on the smoke precipitation parameter corresponding to the current puffing state. The present invention adjusts the heating system based on smoke precipitation, aligning smoke precipitation with the puff interval, optimizing the puffing experience, reducing energy consumption of the heated smoking device, and extending its battery life.

Description

Technical Field

[0001] The present invention relates to the technical field of induction heating, and in particular to a control method and device for an induction heating system. Background Art

[0002] At present, heating devices heat smoking products at full rated power during the smoking stage, ignoring the actual control of smoke emission during smoking and in the smoking interval. They use conventional heating methods to heat and do not control the temperature according to the smoking state, resulting in the heating system being in full-power operation for a long time, resulting in a certain amount of energy waste. At the same time, there is no effective improvement on the continuous accumulation of smoke emission, which reduces the smoking experience. Summary of the Invention

[0003] The purpose of the present invention is to provide a control method and device for an induction heating system, which adjusts the heating system based on smoke precipitation so that smoke precipitation can cater to the puff interval, optimize the puffing experience, reduce the energy loss of the heated smoking device, and extend the battery life.

[0004] According to a first aspect of the present invention, a control method for an induction heating system is provided, comprising:

[0005] When the insertion characteristics of the smoking article are detected to meet predetermined standards, the heating system is triggered to start automatically;

[0006] Detect smoke concentration and calculate its changing trend, and judge the current smoking state of the smoking product based on the changing trend of smoke concentration;

[0007] The output temperature of the heating system is adjusted based on the smoke emission parameter corresponding to the current puffing state.

[0008] Furthermore, triggering the heating system to start automatically also includes external feedback, specifically including:

[0009] predefining a feedback type and a predefining an identification characteristic; and associating the feedback type with the identification characteristic;

[0010] When it is detected that the heating system starts automatically, an external feedback request is synchronously initiated;

[0011] An identifiable feedback type is acquired, identification characteristics are pre-read according to the feedback type, and the external feedback is performed with the identification characteristics.

[0012] Furthermore, when the insertion characteristics of the smoking article are detected to meet predetermined standards, the heating system is triggered to start automatically, specifically including:

[0013] The judgment value of the insertion characteristic includes a pressure threshold and a distance threshold;

[0014] Forming a predetermined standard based on a predefined pressure threshold and a predefined distance threshold of the current heating system;

[0015] A threshold value of preloading insertion characteristics is used to determine the insertion characteristic type of the current heating system;

[0016] When it is detected that the detection value of any of the insertion characteristics of the smoking article meets the predetermined standard, a self-start request is triggered;

[0017] When the self-start request is received, the heating system starts automatically.

[0018] Furthermore, the smoke concentration is detected and its changing trend is calculated, and the current smoking state of the smoking product is determined based on the changing trend of the smoke concentration, specifically including:

[0019] A predefined refresh frequency, wherein the frequency change gap includes at least a first gap frequency and a second gap frequency;

[0020] Based on the self-start time, the trend of the real-time detected flue gas concentration is judged:

[0021] If the trend of the smoke concentration is rising, the puffing state is defined as the rising state. When the smoke concentration reaches the frequency change threshold, the frequency for trend judgment is changed to the first gap frequency.

[0022] If the trend of smoke concentration is decreasing, the puffing state is defined as a decreasing state, and the frequency for trend judgment is changed to the second gap frequency;

[0023] If the trend of smoke concentration is balanced, the puffing state is defined as a stable state. When the smoke concentration changes, the trend judgment is triggered.

[0024] Detect the heating temperature during the current puffing phase.

[0025] Furthermore, it also includes the characteristic correlation between temperature and flue gas precipitation:

[0026] Taking the current smoking product type as the heating object, adjust the heating temperature and calculate the rate of change of smoke emission at each temperature, and draw the correlation characteristic curve;

[0027] Define the smoke release requirements for each puffing state, and obtain the smoke release parameters when the smoke release requirements are met based on the associated characteristic curve;

[0028] Correlate smoke extraction parameters with puffing temporal state;

[0029] The flue gas release parameters include at least a target temperature, a target flue gas release rate, and a control signal based on the current heating system.

[0030] Furthermore, the output temperature of the heating system is adjusted based on the smoke emission parameter corresponding to the current puffing state, specifically including:

[0031] Obtaining the current puffing state of the smoking product and reading the smoke emission parameter corresponding to the current puffing state;

[0032] Obtaining a target temperature from the flue gas precipitation parameter, and adjusting a heating duty cycle of the heating system to control the heating temperature to reach the target temperature;

[0033] The modulation parameter for adjusting the heating duty cycle of the heating system can be generated according to the control signal.

[0034] Furthermore, it also includes the verification of flue gas precipitation, including:

[0035] In the rising state, the change value of the smoke concentration is detected and matched with the target smoke emission rate:

[0036] If they match, it means that the correlation characteristic curve of the current smoking product is valid;

[0037] If there is no match, it means that there is an error in the correlation characteristic curve of the current smoking product;

[0038] Calculate the error tendency and perform feedback adjustment on the associated characteristic curve.

[0039] According to a second aspect of the present invention, there is provided a control device for an induction heating system, comprising:

[0040] System auto-start module: triggers the heating system to auto-start when the insertion characteristics of the smoking article meet the predetermined standards;

[0041] Temporal detection module: detects smoke concentration and calculates its changing trend, and determines the current smoking temporal state of the smoking product based on the changing trend of smoke concentration;

[0042] Temperature control module: adjusts the output temperature of the heating system based on the smoke emission parameters corresponding to the current puffing state.

[0043] According to a third aspect of the present invention, an electronic device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method steps of any one of the first aspects above when executing the computer program.

[0044] According to a fourth aspect of the present invention, there is provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method steps of any one of the above-mentioned first aspects.

[0045] The beneficial effects of the present invention are:

[0046] This invention provides a control method and device for an induction heating system. After a smoking article is inserted into the heating chamber, the system automatically activates and provides external feedback to alert the user that the heating system has activated. Subsequently, as the temperature rises, the smoke concentration changes. The smoke concentration is monitored to reflect the progress of the puff phase, and the heating system's output temperature is adjusted to match the puff interval, optimizing the puff experience and reducing energy consumption.

[0047] Catering to the phased control of smoke precipitation requirements during the puffing interval is more conducive to controlling the smoke precipitation concentration and optimizing the puffing experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention. In the drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the present invention, but not all. It is clear that those skilled in the art can derive other drawings from these drawings without inventive effort.

[0049] Figure 1 This is a flow chart of a control method for an induction heating system according to an embodiment of the present invention;

[0050] Figure 2 This is a modular block diagram of a control device for an induction heating system according to an embodiment of the present invention;

[0051] Figure 3 A schematic structural diagram of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0052] To more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following describes specific embodiments of the present invention with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of the present invention. Those skilled in the art can derive other drawings and other embodiments based on these drawings without inventive effort. Furthermore, design orientations only represent relative positional relationships between components, not absolute positional relationships.

[0053] Example 1

[0054] According to a first aspect of the present invention, a control method for an induction heating system is provided. Figure 1 FIG. 1 is a flow chart of a control method for an induction heating system, comprising:

[0055] Step S101: When the insertion characteristics of the smoking article are detected to meet a predetermined standard, the heating system is triggered to start automatically.

[0056] In an embodiment of the present invention, the self-starting of the heating system is determined by the insertion characteristics of the smoking article, and the insertion characteristics may include pressure determination and distance determination. Different thresholds may be predefined for comparison according to different determination conditions. It is understandable that the setting of the thresholds may be manually adjusted.

[0057] The pressure sensor may be located at the bottom of the heating chamber to detect the pressure between the front end of the smoking article and the bottom of the heating chamber. When the pressure reaches a predefined pressure threshold, the device will automatically activate. It is understood that the pressure sensor's detection area may be set at multiple points, and the device will only automatically activate when the pressure reaches the pressure threshold at a sufficient number of points to prevent accidental activation.

[0058] The distance sensor may be located at the bottom of the heating chamber to detect the distance between the front end of the smoking article and the bottom of the heating chamber. When the distance reaches a predefined distance threshold, the automatic start can be initiated. It is understood that the detection area of ​​the distance sensor may be a surface to prevent accidental touch.

[0059] Furthermore, pressure sensing and distance sensing can be combined to perform self-starting determination on the insertion characteristics.

[0060] In an embodiment of the present invention, the specific steps of self-starting the heating system include:

[0061] Forming a predetermined standard based on a predefined pressure threshold and a predefined distance threshold of the current heating system;

[0062] A threshold value of preloading insertion characteristics is used to determine the insertion characteristic type of the current heating system;

[0063] When it is detected that the detection value of any of the insertion characteristics of the smoking article meets the predetermined standard, a self-start request is triggered;

[0064] When the self-start request is received, the heating system starts automatically.

[0065] It should be clear that the heating chamber structures and depths of the heating systems carried by different types of smoking devices are different, and the applicable cigarettes are also different. The predetermined standards for the insertion characteristics of the smoking devices can be defined in a targeted manner to facilitate the rapid and accurate detection of the insertion compliance of smoking products.

[0066] Based on the number and type of sensors carried by different smoking devices, the insertion feature can be pre-loaded. If the insertion feature exists, a detection and judgment loop is constructed; if not, a detection and judgment loop is selectively constructed for the loadable item.

[0067] It is understood that for a single insertion characteristic, any one of them can be met to automatically start; for multiple insertion characteristics, the primary insertion characteristic and the secondary insertion characteristic can be selected to perform a comprehensive judgment. In the present invention, a single insertion characteristic is used as an example for explanation.

[0068] In the embodiment of the present invention, when the heating system starts automatically, in order to facilitate external confirmation, feedback can be provided to the outside. The feedback should have identification characteristics so that the user can clearly understand that the heating system of the smoking device has started automatically. Therefore, when triggering the automatic start of the heating system, external feedback should also be included. The specific steps are as follows:

[0069] predefining a feedback type and a predefining an identification characteristic; and associating the feedback type with the identification characteristic;

[0070] When it is detected that the heating system starts automatically, an external feedback request is synchronously initiated;

[0071] An identifiable feedback type is acquired, identification characteristics are pre-read according to the feedback type, and the external feedback is performed with the identification characteristics.

[0072] In embodiments of the present invention, feedback types may include vibration, indicator lights, or beeping sounds, and further, they may be used in combination. Taking vibration as an example, identification characteristics may include the number of vibrations, vibration amplitude, duration, etc., so that users can clearly obtain information about the status of the heating system of the smoking device from the manual of the smoking device.

[0073] Furthermore, the feedback type may be associated with the corresponding identification characteristic, and when performing external feedback, the external feedback is executed based on the identification characteristic.

[0074] Step S102: detecting the smoke concentration and calculating its changing trend, and determining the current smoking state of the smoking product according to the changing trend of the smoke concentration.

[0075] It should be clear that the smoke release rate of smoking products has a clear corresponding relationship with temperature. The current smoking product type can be set as the heating object, the heating temperature can be adjusted and the rate of change of the smoke release amount at each temperature can be calculated to draw a correlation characteristic curve.

[0076] In an embodiment of the present invention, the smoke concentration can be detected after the heating system is automatically started; the present invention does not define the start of puffing, but a puff start threshold can be set. When the smoke concentration reaches the puff start threshold, a prompt is given to start puffing.

[0077] Since there are intervals in the suction process, the temperature of the heating chamber will drop during suction, and the flue gas precipitation rate will change synchronously; if the interval time is long, continuous normal power heating will lead to energy waste, and the flue gas will also be ineffectively precipitated.

[0078] In an embodiment of the present invention, the changing trend of the smoking state can be judged based on the change in smoke concentration, the demand for the upcoming state can be defined, and the heating system can be adjusted simultaneously to change the heat output of the heating system so that the smoke precipitation can perfectly match the smoking process.

[0079] In an embodiment of the present invention, the specific steps of determining the puffing state based on the changing trend of the smoke concentration include:

[0080] A predefined refresh frequency, wherein the frequency change gap includes at least a first gap frequency and a second gap frequency;

[0081] Based on the self-start time, the trend of the real-time detected flue gas concentration is judged:

[0082] If the trend of the smoke concentration is rising, the puffing state is defined as the rising state. When the smoke concentration reaches the frequency change threshold, the frequency for trend judgment is changed to the first gap frequency.

[0083] If the trend of smoke concentration is decreasing, the puffing state is defined as a decreasing state, and the frequency for trend judgment is changed to the second gap frequency;

[0084] If the trend of smoke concentration is balanced, the puffing state is defined as a stable state. When the smoke concentration changes, the trend judgment is triggered.

[0085] The judgment of the changing trend can be refreshed, and its refresh frequency can be combined with the puffing state corresponding to the trend, so as to reduce energy consumption; it should be clear that when the flue gas concentration change trend is in an upward state, it means that it is in the flue gas concentration recovery stage after puffing; if the flue gas concentration is lower than the frequency conversion threshold, the refresh frequency can be lower; when the flue gas concentration reaches the frequency conversion threshold, it is close to the puffing time, and the refresh frequency (first gap frequency) can be increased to facilitate the rapid change of the puffing state.

[0086] When the trend of smoke concentration change is in a downward state, it means that the smoke concentration continues to decrease during the puffing process; at this time, the refresh frequency of the trend judgment can be changed to the second interval frequency, and the trend judgment result is refreshed at a low frequency to reduce unnecessary energy consumption in this process. When the trend of smoke concentration change is in a stable state, it means that it is in the puff waiting state. At this time, the smoke concentration may have recovered, but the user did not inhale immediately, and the smoke concentration naturally dissipated; at this time, the judgment of the smoke concentration change trend can be stopped, and the heating temperature can be adjusted to reduce the smoke precipitation to the same level as natural dissipation. When the user inhales, the smoke concentration decreases, which triggers the trend judgment.

[0087] In an embodiment of the present invention, a smoke release requirement may be defined for each puffing state, and smoke release parameters that meet the smoke release requirement may be obtained based on a correlation characteristic curve.

[0088] The rising state of smoke precipitation requires the recovery of smoke concentration, and the smoke precipitation rate can be in the best state to quickly recover to the best suction state.

[0089] The demand for flue gas precipitation in the descending state can be regarded as no clear demand. If the flue gas concentration decreases at a fast rate, flue gas can be replenished; if the decrease rate is slow, flue gas precipitation can be stopped.

[0090] The smoke release requirement in a steady state is to be on par with natural dissipation. The smoke release rate can be matched based on the natural dissipation of the smoking device, so that the amount of retained smoke is in a steady state, ready for inhalation.

[0091] The heating temperature during the current puffing state can be detected so as to determine the adjustment direction of the heating temperature according to the smoke release requirements.

[0092] Furthermore, the smoke release parameter when the smoke release requirement is met is obtained according to the correlation characteristic curve, and the smoke release parameter is correlated with the puffing time state.

[0093] It can be understood that the flue gas release parameters include at least the target temperature and the current flue gas release rate. Furthermore, the temperature control signal based on the current heating system can be incorporated into the flue gas release parameters. When the temperature control signal is input into the current heating system, the output heating temperature is the target temperature.

[0094] Step S103: adjusting the output temperature of the heating system based on the smoke emission parameter corresponding to the current puffing state.

[0095] In an embodiment of the present invention, after the current puffing state is determined, the smoke precipitation parameters can be obtained based on the correlation, and the heating system can be adjusted based on the smoke precipitation parameters, thereby achieving a harmonious match between temperature control and puffing interval, optimizing smoke precipitation, and improving the puffing experience.

[0096] In an embodiment of the present invention, the temperature of the heating system during the puffing process is adjusted according to the puffing state, and the specific steps include:

[0097] Obtaining the current puffing state of the smoking product and reading the smoke emission parameter corresponding to the current puffing state;

[0098] The target temperature in the flue gas precipitation parameter is obtained, and the heating duty cycle of the heating system is adjusted to control the heating temperature to reach the target temperature.

[0099] It is understood that once a suitable smoking product is identified, during the puffing process, the smoke release of the smoking product can be determined by simply determining the puffing state based on time accumulation. This can be effectively compared with the associated characteristic curve to achieve the corresponding smoke release requirements. Effective smoke release control of the smoking product can be achieved not only by comparing the time accumulation but also by accumulating the amount of released smoke.

[0100] In an embodiment of the present invention, the smoke release from the smoking article is controlled by the heating temperature of the heating system, and a heating effect matching the puff interval is formed on the smoking article during the puffing process based on time accumulation, thereby optimizing the smoke release.

[0101] In an embodiment of the present invention, the modulation parameter for adjusting the heating duty cycle of the heating system may be generated according to the control signal.

[0102] The smoke emission parameters of the present invention can be adjusted for different heating systems based on the experimental environment. The control signal based on the current heating system is the duty cycle control data. It is understood that the temperature control circuit in the heating system can control the heating temperature of the smoking article according to the duty cycle conditions of the PWM chopper circuit. The duty cycle modulation parameters can be generated based on the control information in the smoke emission parameters.

[0103] In an embodiment of the present invention, during the puffing process, the correlation characteristic curve can be adjusted in real time to adapt to the influence of the external environment or other interference factors, so that the correlation characteristic curve can be modified according to some actual conditions, thereby realizing the verification of smoke extraction and forming a feedback-type adjustment. The specific steps include:

[0104] In the rising state, the change value of the smoke concentration is detected and matched with the target smoke emission rate:

[0105] If they match, it means that the correlation characteristic curve of the current smoking product is valid;

[0106] If there is no match, it means that there is an error in the correlation characteristic curve of the current smoking product;

[0107] Calculate the error tendency and perform feedback adjustment on the associated characteristic curve.

[0108] In the embodiments of the present invention, the steady state is not a normal phenomenon, and therefore, verification is not appropriate for this stage. During the decreasing state, the rate of change based on flue gas concentration is uncontrollable, and therefore, verification is also not appropriate. During the rising state, flue gas continues to precipitate without excessive external intervention, and therefore, verification is possible.

[0109] In the rising state, the change value of the flue gas concentration can be detected and matched with the target flue gas precipitation rate. If the match is successful, it means that the curve is valid; if it does not match, it means that there is an error in the curve.

[0110] The difference in error tendency can be compensated and the curve can be adjusted by feedback to make the curve meet the current usage environment.

[0111] Based on the above method steps, the temperature control of the heating system during the puffing process in the present invention is based on the change in smoke concentration, which can effectively reduce unnecessary quota heating while catering to the puffing interval.

[0112] Example 2

[0113] According to a second aspect of the present invention, a control device for an induction heating system is provided. Figure 2 The figure shows a modular block diagram of the control device of the induction heating system, which includes:

[0114] System auto-start module 201: triggers the heating system to auto-start when detecting that the insertion characteristics of the smoking article meet predetermined standards;

[0115] Temporal state detection module 202: detects smoke concentration and calculates its changing trend, and determines the current smoking temporal state of the smoking product based on the changing trend of the smoke concentration;

[0116] Temperature control module 203: adjusts the output temperature of the heating system based on the smoke emission parameter corresponding to the current puffing state.

[0117] It is understandable that the devices provided in the embodiments of the present invention are all applicable to the method described in the first embodiment. The specific functions of each module can refer to the above method flow and will not be described again here.

[0118] Example 3

[0119] An embodiment of the present invention provides an electronic device for implementing the method described in the first embodiment. Figure 3 This is a schematic diagram of the physical structure of an electronic device provided by an embodiment of the present invention. The electronic device may include: at least one central processing unit, at least one network interface, a control interface, a memory, and at least one communication bus.

[0120] Among them, the communication bus is used to realize the connection communication and information interaction between various components.

[0121] The network interface may optionally include a standard wired interface or a wireless interface (such as a Wi-Fi interface).

[0122] The control interface is used to output control operations according to instructions.

[0123] The central processing unit (CPU) may include one or more processing cores. The CPU utilizes various interfaces and circuits to connect various components within the terminal. The CPU executes instructions, programs, code sets, or instruction sets stored in memory, and calls data stored in memory to perform various functions of the terminal and process data according to the method described in Example 1.

[0124] The memory may include random access memory (RAM) or read-only memory (ROM). Optionally, the memory includes a non-transitory computer-readable storage medium. The memory may be used to store instructions, programs, codes, code sets, or instruction sets. The memory may include a program storage area and a data storage area. The program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), and instructions for implementing the method of the above-mentioned embodiment 1; the data storage area may store data involved in each of the above-mentioned method embodiments.

[0125] The present invention further provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method described in the first embodiment. The computer-readable storage medium may include, but is not limited to, any type of disk, including floppy disks, optical disks, DVDs, CD-ROMs, microdrives, magneto-optical disks, ROMs, RAMs, EPROMs, EEPROMs, DRAMs, VRAMs, flash memory devices, magnetic or optical cards, nanosystems (including molecular memory ICs), or any other type of medium or device suitable for storing instructions and / or data.

[0126] It should be noted that for the aforementioned method embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0127] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0128] In the several embodiments provided by the present invention, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is merely a logical functional division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed can be through some service interface, and the indirect coupling or communication connection of devices or units can be electrical or other forms.

[0129] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment. In addition, the functional units in the various embodiments of the present invention may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The above-mentioned integrated units may be implemented in the form of hardware or in the form of software functional units.

[0130] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the technical solution of the present invention, or the portion that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a memory and includes several instructions for causing a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present invention. The aforementioned memory includes various media that can store program code, such as a USB flash drive, read-only memory (ROM), random access memory (RAM), a mobile hard drive, a magnetic disk, or an optical disk.

[0131] Those skilled in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be performed by instructing related hardware through a program, and the program may be stored in a computer-readable memory, which may include a flash drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, etc.

[0132] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the statement "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0133] The above is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific embodiments of the present invention should not be considered to be limited to these descriptions. For those skilled in the art to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all of these should be considered to fall within the scope of protection of the present invention.

Claims

1. A control method for an induction heating system, characterized in that: include: When the insertion characteristics of the smoking article are detected to meet predetermined standards, the heating system is triggered to start automatically; Detect smoke concentration and calculate its changing trend, and judge the current smoking state of the smoking product based on the changing trend of smoke concentration; specifically including: The refresh frequency is predefined, and the frequency change interval includes at least a first interval frequency and a second interval frequency; Based on the self-start time, the trend of the real-time detected flue gas concentration is judged: If the trend of the smoke concentration is rising, the puffing state is defined as the rising state. When the smoke concentration reaches the frequency change threshold, the frequency for trend judgment is changed to the first gap frequency. If the trend of smoke concentration is decreasing, the puffing state is defined as a decreasing state, and the frequency for trend judgment is changed to the second gap frequency; If the trend of smoke concentration is balanced, the puffing state is defined as a stable state. When the smoke concentration changes, the trend judgment is triggered. Detecting the heating temperature during the current puffing phase; The output temperature of the heating system is adjusted based on the smoke emission parameter corresponding to the current puffing state.

2. The control method of an induction heating system according to claim 1, characterized in that: The triggering of the heating system to start automatically also includes external feedback, including: predefining a feedback type and a predefining an identification characteristic; and associating the feedback type with the identification characteristic; When it is detected that the heating system starts automatically, an external feedback request is synchronously initiated; An identifiable feedback type is acquired, identification characteristics are pre-read according to the feedback type, and the external feedback is performed with the identification characteristics.

3. The control method of an induction heating system according to claim 1, characterized in that: When the insertion characteristics of the smoking article are detected to meet predetermined standards, the heating system is triggered to start automatically, specifically including: The judgment value of the insertion characteristic includes a pressure threshold and a distance threshold; Forming a predetermined standard based on a predefined pressure threshold and a predefined distance threshold of the current heating system; A threshold value of preloading insertion characteristics is used to determine the insertion characteristic type of the current heating system; When it is detected that the detection value of any of the insertion characteristics of the smoking article meets the predetermined standard, a self-start request is triggered; When the self-start request is received, the heating system starts automatically.

4. The control method of an induction heating system according to claim 1, characterized in that: It also includes the characteristic correlation between temperature and flue gas emission: Taking the current smoking product type as the heating object, adjust the heating temperature and calculate the rate of change of smoke emission at each temperature, and draw the correlation characteristic curve; Define the smoke release requirements for each puffing state, and obtain the smoke release parameters when the smoke release requirements are met based on the associated characteristic curve; Correlate smoke extraction parameters with puffing temporal state; The flue gas release parameters include at least a target temperature, a target flue gas release rate, and a control signal based on the current heating system.

5. The control method of an induction heating system according to claim 4, characterized in that: The output temperature of the heating system is adjusted based on the smoke emission parameter corresponding to the current puffing state, specifically including: Obtaining the current puffing state of the smoking product and reading the smoke emission parameter corresponding to the current puffing state; Obtaining a target temperature from the flue gas precipitation parameter, and adjusting a heating duty cycle of the heating system to control the heating temperature to reach the target temperature; The modulation parameter for adjusting the heating duty cycle of the heating system can be generated according to the control signal.

6. The control method of an induction heating system according to claim 5, characterized in that: It also includes the verification of flue gas emission, including: In the rising state, the change value of the smoke concentration is detected and matched with the target smoke release rate: if they match, it indicates that the correlation characteristic curve of the current smoking product is valid; If there is no match, it means that there is an error in the correlation characteristic curve of the current smoking product; Calculate the error tendency and perform feedback adjustment on the associated characteristic curve.

7. A control device for an induction heating system, characterized in that: The control method for an induction heating system according to claim 1, wherein the device comprises: System auto-start module: triggers the heating system to auto-start when the insertion characteristics of the smoking article meet the predetermined standards; Temporal detection module: detects smoke concentration and calculates its changing trend, and determines the current smoking temporal state of the smoking product based on the changing trend of smoke concentration; Temperature control module: adjusts the output temperature of the heating system based on the smoke emission parameters corresponding to the current puffing state.

8. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the computer program, the steps of the control method of the induction heating system according to any one of claims 1 to 6 are implemented.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the control method of an induction heating system according to any one of claims 1 to 6 are implemented.

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