Electronic atomization device, control method and control module

Abstract

The invention discloses an electronic atomization device, a control method and a control module, and the control method comprises the steps: reading a production parameter information ciphertext from an anti-counterfeiting unit when a power module is connected with the control module, and decrypting the production parameter information ciphertext through employing a preset decryption algorithm, so as to obtain a production parameter information plaintext; judging whether the production parameters of the power module are legal production parameters or not according to the production parameter information plaintext; when the production parameters of the power supply module are legal production parameters, allowing the power supply module to access, and entering a normal power supply state; when the production parameters of the power supply module are not legal production parameters, the power supply module is forbidden to be connected, and a power-off state is entered; or prohibiting the power supply module from outputting electric energy to the atomizer. By implementing the technical scheme of the invention, the occurrence of spontaneous combustion, explosion and the like caused by unmatched battery cells can be avoided, so that potential safety hazards are eliminated for users.

Description

Technical Field

[0001] The present invention relates to the field of atomization, and in particular to an electronic atomization device, a control method and a control module. Background Art

[0002] At present, more and more electronic atomization devices have the function of replacing battery cells. However, due to the differences in internal resistance, performance indicators, etc. of battery cells from different manufacturers, if users replace battery cells at will, mismatched battery cells may bring risks of self-ignition and explosion to the electronic atomization device, thereby posing a safety hazard to users. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an electronic atomization device, a control method and a control module in view of the technical defect of the prior art that mismatched battery cells have potential safety hazards.

[0004] The technical solution adopted by the present invention to solve the technical problem is: constructing a control method for an electronic atomization device, comprising:

[0005] When the power module is connected to the control module, the production parameter information ciphertext is read from the anti-counterfeiting unit, and the production parameter information ciphertext is decrypted by using a preset decryption algorithm to obtain the production parameter information plaintext; wherein the anti-counterfeiting unit is arranged in the power module and is electrically connected to the battery cell in the power module;

[0006] Determining whether the production parameters of the power module are legal production parameters according to the production parameter information;

[0007] When the production parameters of the power module are legal production parameters, the power module is allowed to be connected and enter a normal power supply state;

[0008] When the production parameters of the power module are not legal production parameters, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

[0009] Preferably, the step of reading the ciphertext of production parameter information from the anti-counterfeiting unit comprises:

[0010] Perform handshake communication with the anti-counterfeiting unit and determine whether the handshake is successful;

[0011] When the handshake is successful, the ciphertext of the production parameter information is read from the anti-counterfeiting unit;

[0012] When the handshake is unsuccessful, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

[0013] Preferably, after the step of prohibiting the power module from outputting electrical energy to the atomizer, the method further comprises:

[0014] Outputting first reminder information to remind the user to replace the power module.

[0015] Preferably, the step of decrypting the production parameter information ciphertext using a preset decryption algorithm comprises:

[0016] The AES128 decryption algorithm is used to decrypt the production parameter information ciphertext.

[0017] Preferably, the production parameters of the power module include at least one of the following: manufacturer, production date, operating voltage, capacity, internal resistance, maximum output voltage, operating / storage temperature performance, and verification code.

[0018] Preferably, it also includes:

[0019] Under normal power supply state, reading the battery cell parameter information from the anti-counterfeiting unit;

[0020] Determine whether the battery cell parameter information meets a preset condition;

[0021] When the preset condition is met, a second reminder message is generated and output.

[0022] Preferably, the battery cell parameter information includes the number of times the battery cell is charged and discharged;

[0023] The step of determining whether the cell parameter information meets a preset condition comprises:

[0024] Determining whether the number of times the battery is charged and discharged exceeds a preset number;

[0025] and / or,

[0026] The battery cell parameter information includes battery cell voltage;

[0027] The step of determining whether the cell parameter information meets a preset condition comprises:

[0028] Determine whether the cell voltage is lower than a preset voltage.

[0029] Preferably, it also includes:

[0030] In a normal power supply state, determining whether a charging wake-up signal and / or a heating start signal is received;

[0031] When receiving the charging wake-up signal, writing charging information to the anti-counterfeiting unit and waiting for charging to be completed;

[0032] When the heating start signal is received, the battery cell is controlled to output electric energy to the atomizer to heat the atomizer.

[0033] The present invention also constructs a control module for an electronic atomization device, comprising a processor and a memory storing a computer program, wherein the processor implements the steps of the control method for the electronic atomization device described above when executing the computer program stored in the memory.

[0034] The present invention also constructs an electronic atomization device, including an atomization body and an atomizer, wherein the atomization body includes a detachably connected control module and a power module, and the control module is the control module described above.

[0035] By implementing the technical solution of the present invention, when the user replaces the power module, it is automatically determined whether the production parameters of the replaced power module are legal production parameters. Only when they are legal production parameters, the power module is allowed to be connected, otherwise the power module is prohibited from being connected or the power module is prohibited from outputting power to the atomizer. Therefore, the occurrence of spontaneous combustion, explosion, etc. caused by mismatched battery cells can be avoided, thereby eliminating safety hazards for users. In addition, since the production parameter information of the battery cell is encrypted and stored in the anti-counterfeiting unit, it can prevent illegal personnel from maliciously modifying the production parameter information of the battery cell to achieve the purpose of impersonating legal production parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0037] Figure 1 is a flow chart of a first embodiment of a control method for an electronic atomization device of the present invention;

[0038] Figure 2 is a logical structure diagram of the first embodiment of the electronic atomization device of the present invention;

[0039] Figure 3A , Figure 3B It is a flow chart of Embodiment 2 of the control method of the electronic atomization device of the present invention. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Figure 1 is a flow chart of a control method for an electronic atomization device according to an embodiment of the present invention. Regarding the electronic atomization device, it should be noted that, in combination with Figure 2 , which includes an atomizing body 10 and an atomizer 20, wherein the atomizing body 10 includes a control module 11 and a power module 12, and the control module 11 and the power module 12 are detachably connected; the atomizer 20 includes an aerosol-forming substrate (not shown) and a heating element 21 for heating the aerosol-forming substrate. Moreover, the power module 12 can provide electrical energy to the control module 11 and the heating element 21, and the control module 11 controls the power module 12 to heat the heating element 21, so that the aerosol-forming substrate in the atomizer 20 generates aerosol. In addition, the control module 11 includes a main control unit 111, and the power module 12 includes an anti-counterfeiting unit 121 and a battery cell 122 that are electrically connected. Moreover, the anti-counterfeiting unit 121 is connected to the main control unit 111 through a two-wire method. Specifically, the IO port of the anti-counterfeiting unit 121 is connected to one of the IO ports of the main control unit 111, and the ground terminal of the anti-counterfeiting unit 121 is connected to the ground terminal of the main control unit 111, and is also connected to the negative power terminal (B-) of the battery cell 122. The positive power terminal (B+) of the battery cell 122 is directly connected to the power terminal (VCC) of the main control unit 111. This two-wire connection method can reduce the cost of the connection wires and other peripheral circuits between the power module 12 and the control module 11. The control method of this embodiment is applied to the main control unit 111, and specifically includes the following steps:

[0042] Step S11, when the power module is connected to the control module, the production parameter information ciphertext is read from the anti-counterfeiting unit, and the production parameter information ciphertext is decrypted by using a preset decryption algorithm to obtain the production parameter information plaintext;

[0043] In this step, it should be noted that the power module includes an electrically connected battery cell and an anti-counterfeiting unit, and the anti-counterfeiting unit can be a storage unit. When the battery cell is produced, a special encryption device will be used to encrypt the production parameter information of the battery cell (for example, including company identification code, company LOGO, ID number, production date, battery cell specifications, etc.) according to a preset encryption algorithm. Of course, some other data of the battery cell can also be encrypted at the same time, such as: operating voltage, capacity, internal resistance, maximum output current, average output current, operating / storage temperature performance, verification code and other data to obtain the production parameter information ciphertext, and store the production parameter information ciphertext in the anti-counterfeiting unit. Finally, it should be noted that the UID in the production parameter information of batteries produced by different manufacturers is different, and the basic operating voltage, capacity, internal resistance, maximum output current, average output current and other information of the battery cell may also be different.

[0044] When the user replaces the power module, the power module will be connected to the control module. At this time, the control unit can read the production parameter information ciphertext from the anti-counterfeiting unit, and then use a preset decryption algorithm to decrypt the production parameter information ciphertext. It should be noted that the decryption algorithm used by the control unit is the same as the encryption algorithm used when the production parameter information ciphertext is generated. For example, during battery cell production, the AES128 encryption algorithm is used to encrypt the production parameter information; when replacing the power module, the main control unit uses the AES128 decryption algorithm to decrypt the read production parameter information ciphertext.

[0045] Step S12, judging whether the production parameters of the power module are legal production parameters according to the production parameter information;

[0046] In this step, legal production parameter information may be pre-stored in the control unit, such as a specific company identification code, company LOGO, etc. After the plain text production parameter information is obtained through decryption, the plain text production parameter information may be compared with the stored related information. If they are consistent, the production parameters of the currently connected power module are considered to be legal production parameters.

[0047] Step S13, when the production parameters of the power module are legal production parameters, allowing the power module to be connected and enter a normal power supply state;

[0048] Step S14, when the production parameters of the power module are not legal production parameters, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

[0049] In the technical solution of this embodiment, when the user connects the replaced power module to the control module, the main control unit in the control module can read the production parameter information ciphertext from the anti-counterfeiting unit in the power module, decrypt it, and then judge whether the production parameters of the power module are legal production parameters according to the decrypted production parameter information plain text. If so, the power module is allowed to be connected and enter the normal power supply state, for example, the main control unit is allowed to output heating and other functions. If not, the power module is prohibited from being connected and enters the power-off state; or, the power module is prohibited from outputting electric energy to the atomizer. At this time, the main control unit cannot realize the heating and other functions. This technical solution can automatically determine whether the production parameters of the replaced power module are legal production parameters when the user replaces the power module. Only when it is a legal production parameter, the power module is allowed to be connected. Otherwise, the power module is prohibited from being connected or the power module is prohibited from outputting electric energy to the atomizer. Therefore, the occurrence of spontaneous combustion, explosion, etc. caused by mismatched batteries can be avoided, thereby eliminating safety hazards for users. Moreover, since the production parameter information of the battery cell is encrypted and stored in the anti-counterfeiting unit, it can prevent illegal persons from maliciously modifying the production parameter information of the battery cell to impersonate legitimate production parameters.

[0050] Regarding the above-mentioned embodiment, it should also be noted that if the main control unit cannot successfully decrypt the production parameter information ciphertext, it means that the encryption algorithm used when generating the production parameter information ciphertext does not match the current decryption algorithm, and it can be determined that the production parameters of the power module are not legal production parameters.

[0051] Further, in an optional embodiment, in step S11, the step of reading the ciphertext of the production parameter information from the anti-counterfeiting unit includes:

[0052] Perform handshake communication with the anti-counterfeiting unit and determine whether the handshake is successful;

[0053] When the handshake is successful, the ciphertext of the production parameter information is read from the anti-counterfeiting unit;

[0054] When the handshake is unsuccessful, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

[0055] In this embodiment, before the main control unit reads the production parameter information ciphertext from the anti-counterfeiting unit, it is necessary to perform a handshake communication with the anti-counterfeiting unit, that is, to verify each other's identity. If the handshake is successful, the production parameter information ciphertext can be further read from the anti-counterfeiting unit; if the handshake is unsuccessful, it can be directly determined that the production parameters of the power module are not legal production parameters, and the power module can be prohibited from being connected or the power module can be prohibited from outputting electrical energy to the atomizer.

[0056] Furthermore, in an optional embodiment, after step S14, it further includes: outputting a first reminder message to remind the user to replace the power module. Of course, after step S13, a corresponding reminder message may also be output to remind the user that the currently connected power module is available. In some specific embodiments, at least one of an LED indicator light, a vibrator, and a buzzer may be set on the control module to output the first reminder message by sound, light, vibration, etc. under the control of the main control unit.

[0057] Furthermore, in an optional embodiment, after step S13, the method further includes:

[0058] Step S15, reading the cell parameter information from the anti-counterfeiting unit in a normal power supply state;

[0059] Step S16, determining whether the cell parameter information meets a preset condition;

[0060] Step S17, when the preset conditions are met, generate and output second reminder information.

[0061] In a specific embodiment, the battery cell parameter information includes the number of times the battery cell is charged and discharged. It should be noted that when the battery cell is produced, the initial value of the number of times the battery cell is charged and discharged is 0; when the battery cell is used, each time it is charged or discharged, the main control unit will write a new number of times of charging or discharging to the anti-counterfeiting unit. In addition, step S16 includes: determining whether the number of times the battery cell is charged and discharged exceeds a preset number of times. In this embodiment, since the battery cells generally have a maximum number of charge and discharge times (preset times), for example, 500 times, if the maximum number of charge and discharge times is exceeded, the capacity of the battery cells will be greatly reduced, and it is easy to cause problems such as sudden death of the battery cells or safety accidents. Therefore, after replacing the power module, the number of charge and discharge times of the battery cells will be read from the anti-counterfeiting unit, and it will be determined whether the current number of charge and discharge times of the battery cells exceeds the preset number. If it exceeds, the corresponding reminder information can be output. For example, under the control of the main control unit, the corresponding reminder information is output through sound, light, vibration, etc. In this way, the user can be reminded to replace the power module in time to prevent the battery cells from aging and affecting the user's use effect, or to prevent the old battery cells from being replaced with new electronic cigarettes and affecting the user's smoking effect. At the same time, the safety of the battery cells is also improved.

[0062] In a specific embodiment, the battery cell parameter information includes the battery cell voltage, and step S16 includes: determining whether the battery cell voltage is lower than a preset voltage. In this embodiment, when the battery cell voltage is too low, it may cause the electronic atomization device to automatically shut down. Therefore, under normal power supply conditions, the battery cell voltage is also read from the anti-counterfeiting unit, for example, periodically read, and then determine whether the battery cell voltage is lower than the preset voltage. When it is lower than the preset voltage, the corresponding reminder information is output, for example, under the control of the main control unit, the corresponding reminder information is output through sound, light, vibration, etc. to remind the user to replace the power module or charge. In addition, when it is determined that the battery cell voltage is lower than the preset voltage, the main control unit will also write information such as the number of completed discharges and time to the anti-counterfeiting unit.

[0063] Furthermore, in an optional embodiment, after step S13, the method further includes:

[0064] Under normal power supply state, determine whether a charging wake-up signal is received;

[0065] When the charging wake-up signal is received, the charging information is written into the anti-counterfeiting unit, the charging information including, for example, the number of charging times, the charging time, the charging current, etc., and the charging is waited for to be completed.

[0066] Furthermore, in an optional embodiment, after step S13, the method further includes:

[0067] Under normal power supply state, determine whether a heating start signal is received;

[0068] When the heating start signal is received, the battery cell is controlled to output electric energy to the atomizer to heat the atomizer.

[0069] Figure 3A , Figure 3B : is a flow chart of Embodiment 2 of the control method of the electronic atomization device of the present invention. The control method of this embodiment is applied to the main control unit, wherein: Figure 3A The control method shown occurs when the user replaces the power module. Figure 3B The control method shown occurs after the user replaces the power module.

[0070] like Figure 3AAs shown, when the power module is just connected to the control module, the main control unit is powered on, and the main control unit communicates with the anti-counterfeiting unit by handshake. When the handshake communication is successful, the main control unit reads the production parameter information ciphertext from the anti-counterfeiting unit and decrypts it. Then, based on the decrypted production parameter information (such as company identification code, LOGO, etc.), it is determined whether the manufacturer is legal. If it is legal, the battery cell flag is set to enable, and all data in the anti-counterfeiting unit is read, and then the process ends; if it is illegal, the battery cell flag is set to disable, and the process ends. Finally, it should be noted that the battery cell flag is a flag stored in a register of the main control unit. After it is set, the main program of the main control unit can enter the corresponding process according to the state of the flag.

[0071] like Figure 3B As shown, when the user replaces the power module, it should be noted that at this time, the battery cell flag has been set. First, after powering on, the main control unit is awakened and starts working, and then determines whether the current battery cell flag is enabled. If it is enabled, it determines whether the current number of charge and discharge times exceeds the preset number. If not, it determines whether to start heating. If heating is started, it waits for the heating task to be completed. Then, it is determined whether the current battery cell voltage is lower than the preset voltage. If it is lower, the number of discharge times, time and other information are written to the anti-counterfeiting unit, and then other processing is performed. In addition, if the current battery cell flag is not enabled, or the number of charge and discharge times exceeds the preset number, or the heating is not started, or the battery cell voltage is not lower than the preset voltage, other processing can be performed. Moreover, when the heating is not started, it can also be determined whether the charging wake-up is performed. If so, the number of charge times, time and other information are written to the anti-counterfeiting unit; if not, other processing can be performed.

[0072] The present invention also constructs a control module for an electronic atomization device, the control module comprising a processor and a memory storing a computer program, and the processor implements the steps of the control method for the electronic atomization device described above when executing the computer program stored in the memory.

[0073] The processor of the present invention is used to provide computing and control capabilities to support the operation of the control module of the entire electronic atomization device. It should be understood that in the embodiment of the present application, the processor can be a central processing unit (CPU), and the processor can also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc.

[0074] The present invention also constructs an electronic atomization device, such as Figure 2 As shown, the electronic atomization device includes an atomization body 10 and an atomizer 20, and the atomization body 10 includes a detachably connected control module 11 and a power module 12, and the logical structure of the control module 12 can be referred to as described above, and will not be repeated here. The atomizer 20 includes an aerosol-forming matrix (not shown) and a heating element 21 for heating the aerosol-forming matrix. In addition, the power module 12 provides electrical energy to the control module 11 and the atomizer 20, and the control module 11 controls the power module 12 to heat the heating element 21 so that the aerosol-forming matrix in the atomizer 20 generates an aerosol.

[0075] In addition, if Figure 2 As shown, the control module 11 includes a main control unit 111, and the power module 12 includes an anti-counterfeiting unit 121 and a battery cell 122 that are electrically connected. Moreover, the anti-counterfeiting unit 121 is connected to the main control unit 111 via a two-wire method. Specifically, the IO port of the anti-counterfeiting unit 121 is connected to one of the IO ports of the main control unit 111, and the grounding terminal of the anti-counterfeiting unit 121 is connected to the grounding terminal of the main control unit 111, and is also connected to the negative power terminal (B-) of the battery cell 122, and the positive power terminal (B+) of the battery cell 122 is directly connected to the power terminal (VCC) of the main control unit 111. This two-wire connection method can reduce the cost of connecting wires and other peripheral circuits between the power module 12 and the control module 11.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A control method for an electronic atomization device, characterized in that: include: When the power module is connected to the control module, the production parameter information ciphertext is read from the anti-counterfeiting unit, and the production parameter information ciphertext is decrypted by using a preset decryption algorithm to obtain the production parameter information plaintext; wherein the anti-counterfeiting unit is arranged in the power module and is electrically connected to the battery cell in the power module; Determining whether the production parameters of the power module are legal production parameters according to the production parameter information; When the production parameters of the power module are legal production parameters, the power module is allowed to be connected and enter a normal power supply state; When the production parameters of the power module are not legal production parameters, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

2. The control method of the electronic atomization device according to claim 1, characterized in that: The step of reading the ciphertext of production parameter information from the anti-counterfeiting unit comprises: Perform handshake communication with the anti-counterfeiting unit and determine whether the handshake is successful; When the handshake is successful, the ciphertext of the production parameter information is read from the anti-counterfeiting unit; When the handshake is unsuccessful, the power module is prohibited from being connected and enters a power-off state; or, the power module is prohibited from outputting electrical energy to the atomizer.

3. The control method of the electronic atomization device according to claim 1, characterized in that: After the step of prohibiting the power module from outputting electrical energy to the atomizer, the method further includes: Outputting first reminder information to remind the user to replace the power module.

4. The control method of the electronic atomization device according to claim 1, characterized in that: The step of decrypting the production parameter information ciphertext using a preset decryption algorithm comprises: The AES128 decryption algorithm is used to decrypt the production parameter information ciphertext.

5. According to the control method of the electronic atomization device according to any one of claims 1 to 4, the parameter information of the power module includes at least one of the following: manufacturer, production date, operating voltage, capacity, internal resistance, maximum output voltage, operating / storage temperature performance, and verification code.

6. The control method of the electronic atomization device according to any one of claims 1 to 4, characterized in that: Also includes: Under normal power supply state, reading the battery cell parameter information from the anti-counterfeiting unit; Determine whether the battery cell parameter information meets a preset condition; When the preset condition is met, a second reminder message is generated and output.

7. The control method of the electronic atomization device according to claim 6, characterized in that: The battery cell parameter information includes the number of times the battery cell is charged and discharged; The step of determining whether the cell parameter information meets a preset condition comprises: Determining whether the number of times the battery is charged and discharged exceeds a preset number; and / or, The battery cell parameter information includes battery cell voltage; The step of determining whether the cell parameter information meets a preset condition comprises: Determine whether the cell voltage is lower than a preset voltage.

8. The control method of the electronic atomization device according to any one of claims 1 to 4, characterized in that: Also includes: In a normal power supply state, determining whether a charging wake-up signal and / or a heating start signal is received; When receiving the charging wake-up signal, writing charging information to the anti-counterfeiting unit and waiting for charging to be completed; When the heating start signal is received, the battery core is controlled to output electric energy to the atomizer to heat the atomizer.

9. A control module of an electronic atomization device, comprising a processor and a memory storing a computer program, characterized in that: When executing the computer program stored in the memory, the processor implements the steps of the control method of the electronic atomization device according to any one of claims 1 to 8.

10. An electronic atomization device, comprising an atomization body and an atomizer, wherein the atomization body comprises a detachably connected control module and a power module, characterized in that: The control module is the control module according to claim 9.

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