Cigarette recognition method based on excitation detection

By identifying cigarettes through the excitation detection method, the problem of lack of recognition function of heated smoking devices is solved, intelligent matching of cigarettes and smoking devices is realized, and consumer experience and brand reputation are improved.

CN114515028BActive Publication Date: 2025-09-16CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202210163067.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-22
Publication Date
2025-09-16
Estimated Expiration
2042-02-22

AI Technical Summary

Technical Problem

Existing heated tobacco devices lack effective cigarette identification functions, resulting in the inability to perfectly combine non-compatible cigarettes with the temperature control of the tobacco devices, affecting the consumer experience and damaging the brand's reputation.

Method used

The excitation detection method is adopted to detect whether the cigarette is inserted into the magnetic conductor cigarette cartridge cavity, generate an excitation detection signal and generate an induced potential in the coil, analyze the induced potential to identify the cigarette, and use the controller to compare it with the excitation feature information library for identification.

Benefits of technology

It improves the intelligence and exclusive adaptability of smoking devices, ensures the matching between cigarettes and smoking devices, and improves the consumer experience.

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Abstract

The present invention discloses a cigarette identification method based on excitation detection, which includes: detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity; after detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, generating an excitation detection signal; the generated excitation detection signal acts on the cigarette to be tested, performs mutual induction with the magnetic core structure in the cigarette to be tested, and generates an induced potential in the coil wrapped around the magnetic conductor cigarette cartridge cavity; and analyzes the induced potential to obtain a cigarette identification result. The cigarette identification method based on excitation detection of the present invention is based on the excitation detection principle, in which an external excitation coil excites the metal inside the cigarette to generate induced eddy currents, and then detects the induced potential of the coil, obtains cigarette detection information as a cigarette characteristic signal, and thereby identifies the cigarette, which helps to improve the intelligence level and exclusive adaptability of smoking devices.
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Description

Technical Field

[0001] The present invention relates to the technical field of cigarette detection and identification, and in particular to a cigarette identification method based on excitation detection. Background Art

[0002] Currently, heated tobacco devices do not have an effective cigarette identification function. Any cigarette with similar size specifications to the heated tobacco device's cartridge cavity can be heated and atomized with the device. Since the temperature control of the tobacco device is only optimized for the cigarettes it is compatible with, there is no perfect combination between non-compatible cigarettes and the heated tobacco device's temperature control, which affects consumers' tobacco device consumption experience and further damages the tobacco device brand reputation and manufacturer's interests.

[0003] Therefore, there is an urgent need for a cigarette recognition method based on excitation detection. Summary of the Invention

[0004] The purpose of the present invention is to provide a cigarette identification method based on excitation detection to solve the problems in the above-mentioned prior art. It can obtain cigarette detection information as a cigarette characteristic signal based on the excitation detection principle to identify cigarettes, which helps to improve the intelligence level and exclusive adaptability of smoking utensils.

[0005] The present invention provides a cigarette identification method based on excitation detection, which includes:

[0006] Detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, wherein a magnetic core structure carrying cigarette information is provided inside the cigarette to be tested;

[0007] After detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, generating an excitation detection signal;

[0008] The generated excitation detection signal acts on the cigarette to be tested, generates mutual induction with the magnetic core structure in the cigarette to be tested, and generates an induced potential in the coil wound on the magnetic conductor cigarette cartridge cavity;

[0009] The induced electric potential is analyzed to obtain a cigarette recognition result.

[0010] In the above-mentioned cigarette identification method based on excitation detection, preferably, the step of detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity specifically includes:

[0011] A cigarette detector is used to detect whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, wherein the cigarette detector is arranged outside the magnetic conductor cigarette cartridge cavity.

[0012] In the cigarette identification method based on excitation detection as described above, preferably, the cigarette detector includes a photoelectric detector.

[0013] In the above-mentioned cigarette identification method based on excitation detection, preferably, after detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, generating the excitation detection signal specifically includes:

[0014] An excitation detection signal is generated by a signal generator, wherein the excitation detection signal generated by the signal generator includes a sinusoidal wave signal with adjustable amplitude and / or frequency.

[0015] The cigarette identification method based on excitation detection as described above, wherein preferably, the generated excitation detection signal acts on the cigarette to be tested, generates mutual induction with the magnetic core structure in the cigarette to be tested, and generates an induced potential in the coil wound on the magnetic conductor cigarette cartridge cavity, specifically comprising:

[0016] The excitation detection signal acts on the cigarette to be tested through the coil and the magnetic conductor cigarette cartridge cavity, generates mutual induction with the magnetic core structure in the cigarette to be tested, and generates an induced potential in the coil.

[0017] In the above-mentioned cigarette identification method based on excitation detection, preferably, the analyzing of the induced potential to obtain the cigarette identification result specifically includes:

[0018] Using a detector to detect the change of the induced potential generated by the coil to obtain cigarette detection information;

[0019] The controller is used to receive the cigarette detection information and obtain a cigarette recognition result based on the cigarette detection information.

[0020] In the above-mentioned cigarette identification method based on excitation detection, preferably, the controller receives the cigarette detection information and obtains the cigarette identification result based on the cigarette detection information, which specifically includes:

[0021] The controller extracts the excitation characteristic information of the cigarette to be tested based on the cigarette detection information;

[0022] The controller traverses the cigarette excitation feature information that is compatible with the smoking device in the cigarette excitation information library, and matches the excitation feature information of the cigarette to be tested with the cigarette excitation feature information in the cigarette excitation information library in turn to obtain a cigarette identification result that is compatible with the smoking device.

[0023] The above-mentioned method for cigarette identification based on excitation detection, wherein preferably, the method further comprises: receiving the cigarette detection information using a controller and obtaining a cigarette identification result based on the cigarette detection information;

[0024] An excitation information storage module is used to store the excitation information of cigarettes that are compatible with the smoking device, wherein the excitation information storage module is connected to the controller.

[0025] In the above-mentioned cigarette identification method based on excitation detection, preferably, before detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, the cigarette identification method based on excitation detection further includes:

[0026] A starting module is used to send a starting signal to the controller, so that the controller responds to the starting signal and sends a working instruction to the cigarette detector, the signal generator and the detector.

[0027] As described above, the method for identifying cigarettes based on excitation detection, preferably, further comprises:

[0028] The detection status of the cigarette to be tested is displayed using a display module, wherein the display module is connected to the controller.

[0029] The present invention provides a cigarette identification method based on excitation detection. After detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, an excitation detection signal is generated; the generated excitation detection signal acts on the cigarette to be tested, generating an induced potential in the coil; the induced potential is analyzed to obtain a cigarette identification result. Based on the excitation detection principle, the present invention excites the metal inside the cigarette by an external excitation coil to generate induced eddy currents, and then detects the induced potential of the coil, obtains cigarette detection information as a cigarette characteristic signal, and obtains the cigarette characteristic signal by analyzing and comparing it with the excitation characteristic library of cigarettes adapted to the smoking device to identify the cigarette, which helps to improve the intelligence level and exclusive adaptability of the smoking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described below with reference to the accompanying drawings, in which:

[0031] Figure 1 A flowchart of an embodiment of a cigarette identification method based on excitation detection provided by the present invention;

[0032] Figure 2 A logic diagram of an embodiment of a cigarette identification method based on excitation detection provided by the present invention;

[0033] Figure 3 A cross-sectional view of an embodiment of a cigarette identification device based on excitation detection provided by the present invention;

[0034] Figure 4 A top view of an embodiment of the temperature adjustment component of the cigarette identification device based on excitation detection provided by the present invention.

[0035] Description of reference numerals:

[0036] 1-shell, 2-magnetic conductor cigarette cartridge chamber, 3-cigarette detector, 4-signal generator, 5-coil, 6-detector, 7-controller, 8-cigarette to be tested, 9-starting module, 10-excitation information storage module, 11-power module, 12-display module. DETAILED DESCRIPTION

[0037] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure, its application, or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present disclosure thorough and complete and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of parts and steps, the composition of materials, numerical expressions, and numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0038] The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are simply used to distinguish different parts. Terms such as "include" or "comprising" mean that the elements preceding the term include the elements listed after the term, and do not exclude the possibility of also including other elements. Terms such as "upper," "lower," and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0039] In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be an intervening component between the specific component and the first component or the second component. When a specific component is described as being connected to another component, the specific component may be directly connected to the other component without an intervening component, or may not be directly connected to the other component but have an intervening component.

[0040] All terms (including technical or scientific terms) used in this disclosure have the same meaning as those understood by one of ordinary skill in the art to which this disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in, for example, general dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or highly formal sense, unless explicitly defined herein.

[0041] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0042] The excitation effect refers to the phenomenon in which metal placed in a changing magnetic field is subjected to the stress of magnetic line cutting to generate an induced current. It has high detection sensitivity and a wide frequency response range, making it particularly suitable for non-contact detection. It is widely used in measuring displacement, vibration, thickness, temperature and other fields.

[0043] The present invention identifies cigarettes placed in a heated smoking device based on the excitation detection principle, which helps to improve the intelligence and unique adaptability of the smoking device.

[0044] like Figure 1 and Figure 2 As shown, the embodiment of the present invention provides a cigarette identification method based on excitation detection, which is implemented based on a cigarette identification device based on excitation detection. Figure 3 and Figure 4 As shown, the excitation detection-based cigarette identification device includes: a housing 1, a magnetic conductor cigarette cartridge chamber 2 disposed within the housing 1, a cigarette detector 3, a signal generator 4, a coil 5, a detector 6, a controller 7, an excitation information storage module 10, and a power module 11, as well as a starter module 9 and a display module 12 disposed on the housing. The housing 1 can serve as a container and support, and the shape of the housing 1 can be, for example, a rectangular parallelepiped. It should be noted that the present invention does not impose specific limitations on the shape, size, or material of the housing 1.

[0045] like Figure 1 and Figure 2 As shown, the embodiment of the present invention provides a cigarette identification method based on excitation detection, which specifically includes the following steps during actual implementation:

[0046] Step S1 : Detect whether the cigarette 8 to be tested is inserted into the magnetic conductor cigarette cartridge cavity 2 , wherein a magnetic core structure (not shown) carrying cigarette information is provided inside the cigarette 8 to be tested.

[0047] The magnetic conductor cigarette cartridge chamber 2 is used to accommodate the cigarette to be tested 8. The magnetic conductor cigarette cartridge chamber 2 is made of ferromagnetic material.

[0048] Specifically, a cigarette detector 3 is used to detect whether the cigarette 8 to be tested is inserted into the magnetic conductive cigarette cartridge chamber 2, wherein the cigarette detector 3 is disposed outside the magnetic conductive cigarette cartridge chamber 2. In the present invention, the cigarette detector 3 is a photoelectric detector that can detect cigarettes without contacting the cigarettes, and can accurately, quickly, and efficiently complete cigarette detection.

[0049] In a specific implementation, the controller serving as the smoking article control module is initialized first, and then the smoking article detection module, namely, the cigarette detector 3 , the excitation information storage module 10 , the signal generator 4 and the detector 6 , is initialized.

[0050] Step S2: after detecting that the cigarette to be tested 8 is inserted into the magnetic conductor cigarette cartridge cavity 2, an excitation detection signal is generated.

[0051] Specifically, the excitation detection signal can be generated by the signal generator 4, wherein the excitation detection signal generated by the signal generator 4 includes a sine wave signal with adjustable amplitude and / or frequency. It should be noted that the present invention does not specifically limit the type, amplitude, and frequency of the excitation detection signal.

[0052] Step S3: the generated excitation detection signal acts on the cigarette to be tested 8, generates mutual induction with the magnetic core structure in the cigarette to be tested 8, and generates an induced potential in the coil 5 wound on the magnetic conductor cigarette cartridge cavity 2.

[0053] Specifically, the excitation detection signal generated by the signal generator 4 acts on the cigarette to be tested 8 through the coil 5 and the magnetic conductor cigarette cartridge cavity 2, generates mutual induction with the magnetic core structure in the cigarette to be tested 8, and generates an induced potential in the coil 5.

[0054] Step S4: Analyze the induced electric potential to obtain a cigarette recognition result.

[0055] In one embodiment of the cigarette identification method based on excitation detection of the present invention, step S4 may specifically include:

[0056] Step S41: Utilize the detector 6 to detect the change of the induced potential generated by the coil 5 to obtain cigarette detection information.

[0057] Step S42: Utilize the controller 7 to receive the cigarette detection information, and obtain a cigarette recognition result based on the cigarette detection information.

[0058] Exemplarily, the controller 7 is a microcontroller (Microcontroller Unit, MCU). As an example but not a limitation, the model of the microcontroller is CC1310.

[0059] In one embodiment of the cigarette identification method based on excitation detection of the present invention, step S42 may specifically include:

[0060] Step S421: The controller 7 extracts the excitation characteristic information of the cigarette to be tested based on the cigarette detection information.

[0061] Step S422: The controller 7 traverses the cigarette excitation feature information compatible with the smoking device in the cigarette excitation information library, and matches the excitation feature information of the cigarette to be tested with the cigarette excitation feature information in the cigarette excitation information library in turn to obtain a cigarette identification result compatible with the smoking device.

[0062] The cigarette recognition result may be, for example, a match with the target smoking device, a mismatch with the target smoking device, a match with a specific model of smoking device, etc.

[0063] Furthermore, in one embodiment of the cigarette identification method based on excitation detection of the present invention, step S4 may further include:

[0064] Step S43 : Using the excitation information storage module 10 , store the excitation information of the cigarettes adapted to the smoking device, wherein the excitation information storage module 10 is connected to the controller 7 .

[0065] In one embodiment of the cigarette identification method based on excitation detection of the present invention, before step S1, the cigarette identification method based on excitation detection further includes:

[0066] Step S0: Use the starting module 9 to send a starting signal to the controller 7, so that the controller 7 responds to the starting signal and sends a working instruction to the cigarette detector 3, the signal generator 4 and the detector 6.

[0067] In the present invention, the start module 9 includes a start button, which is provided on the housing 1. For example, the start button is provided in the middle of the upper surface of the housing 1. It should be noted that the present invention does not specifically limit the type and position of the start module 9.

[0068] The controller 7 is connected to the cigarette detector 3, the signal generator 4, the detector 6, the excitation information storage module 10, the power module 11, and the display module 12. By sending operating instructions, the controller 7 can control the operating states of the cigarette detector 3, the signal generator 4, the detector 6, the excitation information storage module 10, and the display module 12.

[0069] In one embodiment of the cigarette identification method based on excitation detection of the present invention, the cigarette identification method based on excitation detection further includes:

[0070] Step S5 : using the display module 12 to display the detection status of the cigarette 8 to be tested, wherein the display module 12 is connected to the controller 7 .

[0071] The detection status of the cigarette 8 to be tested can be displayed, for example, as "Testing Preparing," "Cigarette Detecting," "Cigarette Present," "No Cigarette," "Cigarette Identifying," "Cigarette Identified," or "Cigarette Not Identified." The display module 12 can be, for example, an LED screen or LCD screen. Exemplarily, the display module 12 is disposed on the upper surface of the housing 1 on a side away from the magnetic conductive cartridge chamber 2. It should be noted that the present invention does not specifically limit the type, display content, or location of the display module 12.

[0072] In one embodiment of the cigarette identification method based on excitation detection of the present invention, the cigarette identification method based on excitation detection further includes:

[0073] Step S6: Utilize the power module 11 to provide power for the cigarette detection process and / or identification process.

[0074] The power module 11 is connected to the controller 7. In the present invention, the power module 11 is a lithium battery, which provides a DC voltage of 3V-5V, for example, 4.3V. It should be noted that the present invention does not specifically limit the type and voltage of the power module 11.

[0075] The cigarette identification method based on excitation detection provided by the embodiment of the present invention generates an excitation detection signal after detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity; the generated excitation detection signal acts on the cigarette to be tested, generating an induced potential in the coil; the induced potential is analyzed to obtain a cigarette identification result. Based on the excitation detection principle, the present invention excites the metal inside the cigarette by an external excitation coil to generate induced eddy currents, and then detects the induced potential of the coil, obtains cigarette detection information as a cigarette characteristic signal, and obtains the cigarette characteristic signal by analyzing and comparing it with the excitation characteristic library of cigarettes adapted to the cigarette device to identify the cigarette, which helps to improve the intelligence level and exclusive adaptability of the smoking device.

[0076] Thus far, various embodiments of the present disclosure have been described in detail. To avoid obscuring the concept of the present disclosure, some details known in the art have not been described. Based on the above description, those skilled in the art can fully understand how to implement the technical solutions disclosed herein.

[0077] Although some specific embodiments of the present disclosure have been described in detail through examples, those skilled in the art will understand that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. Those skilled in the art will understand that the above embodiments may be modified or some technical features may be replaced with equivalents without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A cigarette identification method based on excitation detection, characterized in that: include: Detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, wherein a magnetic core structure carrying cigarette information is provided inside the cigarette to be tested; After detecting that the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, an excitation detection signal is generated by a signal generator, wherein the excitation detection signal includes a sine wave signal with adjustable amplitude and / or frequency; The generated excitation detection signal acts on the cigarette to be tested through the coil wound on the magnetic conductor cigarette cartridge cavity, generates mutual induction with the magnetic core structure in the cigarette to be tested, and generates an induced potential in the coil wound on the magnetic conductor cigarette cartridge cavity; The change of the induced potential is detected as detection information, and the detection information is used as a cigarette characteristic signal. The cigarette characteristic signal is obtained by analysis and compared with the excitation characteristic library of cigarettes adapted to the smoking device, so as to identify the cigarette.

2. The cigarette identification method based on excitation detection according to claim 1, characterized in that: The detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity specifically includes: A cigarette detector is used to detect whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, wherein the cigarette detector is arranged outside the magnetic conductor cigarette cartridge cavity.

3. The cigarette identification method based on excitation detection according to claim 2, characterized in that: The cigarette detector includes a photoelectric detector.

4. The cigarette identification method based on excitation detection according to claim 1, characterized in that: Specifically include: Using a detector to detect the change of the induced potential generated by the coil wound on the magnetic conductor cigarette cartridge cavity to obtain cigarette detection information; The controller is used to receive the cigarette detection information and obtain a cigarette recognition result based on the cigarette detection information.

5. The cigarette identification method based on excitation detection according to claim 4, characterized in that: Specifically include: The controller extracts the excitation characteristic information of the cigarette to be tested based on the cigarette detection information; The controller traverses the cigarette excitation feature information that is compatible with the smoking device in the cigarette excitation information library, and matches the excitation feature information of the cigarette to be tested with the cigarette excitation feature information in the cigarette excitation information library in turn to obtain a cigarette identification result that is compatible with the smoking device.

6. The cigarette identification method based on excitation detection according to claim 5, characterized in that: Also includes: An excitation information storage module is used to store the excitation information of cigarettes that are compatible with the smoking device, wherein the excitation information storage module is connected to the controller.

7. The cigarette identification method based on excitation detection according to claim 6, characterized in that: Before detecting whether the cigarette to be tested is inserted into the magnetic conductor cigarette cartridge cavity, the method further includes: The starting module is used to send a starting signal to the controller, so that the controller responds to the starting signal and sends a working instruction to the cigarette detector, the signal generator and the detector.

8. The cigarette identification method based on excitation detection according to claim 5, characterized in that: Also includes: The detection status of the cigarette to be tested is displayed using a display module, wherein the display module is connected to the controller.

Citation Information

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