CN115363256A - Child lock control circuit and method and electronic cigarette - Google Patents
Child lock control circuit and method and electronic cigarette Download PDFInfo
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- CN115363256A CN115363256A CN202210896089.9A CN202210896089A CN115363256A CN 115363256 A CN115363256 A CN 115363256A CN 202210896089 A CN202210896089 A CN 202210896089A CN 115363256 A CN115363256 A CN 115363256A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/49—Child proofing
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/51—Arrangement of sensors
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- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Lock And Its Accessories (AREA)
Abstract
本申请提供一种电子烟的童锁控制电路，包括：第一状态检测模块和第二状态检测模块；第一童锁模块，其包括第一计时单元、第一计数单元和第一计时计数判断单元；第二童锁模块，其与第二状态检测模块电连接；开关控制模块，其分别与第一童锁模块、第二童锁模块电连接；功率MOS管，其控制端与开关控制模块电连接；第一童锁模块用于产生第一童锁信号以使电子烟进入第一童锁状态，第二童锁模块用于产生第二童锁信号以使电子烟进入第二童锁状态，当电子烟进入第二童锁状态时所述第一计时单元和第一计数单元接收到第一复位信号，以使第一计时单元停止计时并置零、第一计数单元停止计数并置零。本申请实施例还提供一种电子烟及童锁控制方法。
The present application provides a child lock control circuit of an electronic cigarette, including: a first state detection module and a second state detection module; a first child lock module, which includes a first timing unit, a first counting unit, and a first timing and counting judgment unit; the second child lock module, which is electrically connected to the second state detection module; the switch control module, which is electrically connected to the first child lock module and the second child lock module; the power MOS tube, whose control terminal is connected to the switch control module Electrical connection; the first child lock module is used to generate the first child lock signal to make the electronic cigarette enter the first child lock state, and the second child lock module is used to generate the second child lock signal to make the electronic cigarette enter the second child lock state , when the electronic cigarette enters the second child lock state, the first timing unit and the first counting unit receive the first reset signal, so that the first timing unit stops timing and resets to zero, and the first counting unit stops counting and resets to zero . The embodiment of the present application also provides an electronic cigarette and a child lock control method.
Description
Technical Field
The application belongs to the technical field of electronic cigarettes, and particularly relates to a child lock control circuit and method and an electronic cigarette.
Background
The electronic cigarette is an electronic device for simulating cigarettes, and replaces the traditional cigarettes by simulating the taste and smoke of real cigarettes, so that the expenditure of consumers is saved, and the harm caused by 'second-hand smoking' is reduced.
At present, electronic cigarettes are common, children can easily touch the electronic cigarettes, most of electronic cigarettes do not have the child lock function, and children easily smoke the electronic cigarettes due to curiosity and imitation of the children. Therefore, for safety reasons, it is highly necessary for an electronic cigarette to have a child lock function to prevent a child from accidentally inhaling the electronic cigarette. At present, the child lock function of electron cigarette generally uses modes such as bluetooth, WIFI, NFC, fingerprint, touch button, mechanical button, suction detection, cigarette bullet detection to realize children's protection on the market. In order to realize the child-lock function, the electronic cigarette generally includes a first child-lock state and a second child-lock state, wherein the first child-lock state is, for example, a child-lock locking state, and the second child-lock state is a child-lock unlocking state, or vice versa, when the user smokes the electronic cigarette in the child-lock locking state, the electronic cigarette does not give off the cigarette, which is beneficial to preventing the child from smoking and touching by mistake, when the user needs to use normally, the unlocking needs to be triggered to make the electronic cigarette enter the child-lock unlocking state, and when the user smokes, the electronic cigarette can be used normally, and when the user smokes, the electronic cigarette can give off the cigarette for the user to smoke.
The inventor of the application finds that through a large number of test experiments: when the electronic cigarette is in the first child-lock state, the circuit that the user normally uses or uses the electronic cigarette by mistake may cause the electronic cigarette to enter the first child-lock state to operate, for example, the circuit that causes the electronic cigarette to enter the first child-lock state includes a timing unit and a counting unit, the timing unit is triggered to time, the counting unit is triggered to count, at this time, if the electronic cigarette enters the second child-lock state, because the timing unit is already timing, the counting unit has a counting value, so that in the second child-lock state, the user may perform a triggering frequency less than an expected number of times to cause the electronic cigarette to return to the first child-lock state, which may cause a logic disorder in the using process of the user, which may not meet the expectation of the user, and cause a trouble to the user's operation and use. Moreover, the user can think that the electron cigarette itself damages, causes the injury for electron cigarette enterprise brand.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present application is to provide a child lock control circuit and method for an electronic cigarette, and an electronic cigarette, aiming at the defects existing in the prior art. The use trouble of the user can be reduced.
In order to solve the above technical problem, a first aspect of the embodiments of the present application provides a child-lock control circuit of an electronic cigarette, including:
the device comprises a first state detection module and a second state detection module;
the first child lock module comprises a first timing unit, a first counting unit and a first timing counting judgment unit, wherein the first timing unit and the first counting unit are electrically connected with the first state detection module, and the first timing counting judgment unit is electrically connected with the first timing unit and the first counting unit respectively;
the second child lock module is electrically connected with the second state detection module;
the switch control module is electrically connected with the first child lock module and the second child lock module respectively;
the control end of the power MOS tube is electrically connected with the switch control module; the power MOS tube is used for being connected with the heating element in series to form a heating branch, and two ends of the heating branch are correspondingly electrically connected with the positive electrode and the negative electrode of the battery;
the first child lock module is used for generating a first child lock signal to enable the electronic cigarette to enter a first child lock state, the second child lock module is used for generating a second child lock signal to enable the electronic cigarette to enter a second child lock state, and when the electronic cigarette enters the second child lock state, the first timing unit and the first counting unit receive a first reset signal to enable the first timing unit to stop timing and set zero, and the first counting unit stops counting and sets zero.
Optionally, the child lock control circuit further includes a trigger, one input end of the trigger is electrically connected to the first timing and counting determination unit, the other input end of the trigger is electrically connected to the second child lock module, an output end of the trigger is electrically connected to the switch control module, and both the first timing unit and the first counting unit are electrically connected to an output end of the trigger;
the second child lock module is used for generating a second child lock signal for enabling the electronic cigarette to enter a second child lock state, the trigger receives the second child lock signal and outputs a first reset signal, the first timing unit receives the first reset signal to enable the first timing unit to stop timing and set zero, and the first counting unit receives the first reset signal to enable the first counting unit to stop counting and set zero.
Optionally, the first timing unit and the first counting unit are both electrically connected to the switch control module;
the second child lock module is used for generating a second child lock signal for enabling the electronic cigarette to enter a second child lock state, the switch control module generates a first reset signal corresponding to the second child lock signal, the first timing unit receives the first reset signal to enable the first timing unit to stop timing and set zero, and the first counting unit receives the first reset signal to enable the first counting unit to stop counting and set zero.
Optionally, the first timing unit and the first counting unit are both electrically connected with the output end of the second child lock module;
the second child lock module generates a first reset signal, the first timing unit receives the first reset signal to enable the first timing unit to stop timing and set zero, and the first counting unit receives the first reset signal to enable the first counting unit to stop counting and set zero.
Optionally, the first timing unit and the first counting unit work in both a first child-lock state and a second child-lock state.
Optionally, the first child lock state is a child lock locking state, and the second child lock state is a child lock unlocking state; or the first child lock state is a child lock unlocking state, and the second child lock state is a child lock locking state;
the power MOS tube is kept disconnected and cut off in a child lock locking state, and the power MOS tube is continuously conducted or discontinuously conducted when the electronic cigarette is in a suction state in a child lock unlocking state.
Optionally, the second child lock module includes a second timing unit, a second counting unit, and a second timing and counting determination unit, wherein the second timing unit and the second counting unit are both electrically connected to the second state detection module, the second timing and counting determination unit is electrically connected to the second timing unit and the second counting unit, respectively, and when the electronic cigarette enters the first child lock state, the second timing unit and the second counting unit receive a second reset signal, so that the second timing unit stops timing and sets zero, and the second counting unit stops counting and sets zero.
Optionally, the first state detection module includes a charging management module, a suction and blowing detection module, or a smoke cartridge detection module; the second state detection module comprises a suction and blowing detection module, a smoke cartridge detection module or a charging management module.
Optionally, the child lock control circuit further includes a third timing unit and a third duration determining unit, where the third timing unit is electrically connected to the first state detecting module, the third duration determining unit is electrically connected to the third timing unit, an output end of the third duration determining unit is electrically connected to the first timing unit and the first counting unit, the third duration determining unit is configured to generate a trigger valid signal according to a timing duration of the third timing unit, the first timing unit receives the trigger valid signal to start timing, and the first counting unit receives the trigger valid signal to start counting; or,
the child lock control circuit further comprises a third timing unit and a third time length judging unit, wherein the third timing unit and the first timing unit are respectively electrically connected with the first state detection module, the third time length judging unit is electrically connected with the third timing unit, the output end of the third time length judging unit is electrically connected with the first counting unit, the third time length judging unit is used for generating a trigger effective signal according to the timing time length of the third timing unit, and the first counting unit receives the trigger effective signal to start counting.
Optionally, the child lock control circuit includes a fourth timing unit and a fourth duration determining unit, the fourth timing unit is electrically connected to the first state detecting module and the third duration determining unit respectively, the fourth duration determining unit is electrically connected to the fourth timing unit and the third timing unit respectively, and the third timing unit is also electrically connected to the first state detecting module and the third duration determining unit; the fourth timing unit starts timing and the third timing unit enters a locking state according to a signal of the first state detection module and a trigger effective signal of the third time length judgment unit, and the fourth time length judgment unit generates an unlocking signal for enabling the third timing unit to enter an unlocking state according to the timing time length of the fourth timing unit; or,
the child lock control circuit comprises a fourth timing unit and a fourth time length judging unit, the fourth timing unit is respectively and electrically connected with the first state detection module and the third time length judging unit, the fourth time length judging unit is respectively and electrically connected with the fourth timing unit, the third timing unit and the first counting unit, and the first counting unit is also electrically connected with the first state detection module and the third time length judging unit; and the fourth timing unit starts timing and enters a locking state according to a signal of the first state detection module and a trigger effective signal of the third time length judgment unit, and the fourth time length judgment unit generates an unlocking signal for enabling the first timing unit to enter an unlocking state and a reset signal for resetting the first timing unit according to the timing time length of the fourth timing unit.
Optionally, the first state detection module and the second state detection module are the same state detection module; or,
the child lock control circuit is positioned on the same chip; or,
the circuit of the child lock control circuit except the first state detection module or the second state detection module is positioned on the same chip.
A second aspect of the embodiments of the present application provides an electronic cigarette, including:
the child lock control circuit of the electronic cigarette;
the heating element is connected with a power MOS tube of the child lock control circuit in series to form a heating branch;
and the positive electrode and the negative electrode of the battery are correspondingly and electrically connected with two ends of the heating branch.
A third aspect of the embodiments of the present application provides a child lock control method for an electronic cigarette, including:
the second child lock module generates a second child lock signal for enabling the electronic cigarette to enter a second child lock state;
triggering and outputting a first reset signal;
the first timing unit and the first counting unit both receive the first reset signal, the first timing unit stops timing and sets zero, and the first counting unit stops counting and sets zero;
acquiring information that the electronic cigarette enters a first state;
triggering the first counting unit to count and triggering the first timing unit to time;
judging whether the number counted in the first preset time length is greater than or equal to a first preset number or not, wherein the first preset number is greater than or equal to 2;
if the judgment result is yes, the electronic cigarette is controlled to enter a first child-lock state.
The embodiment of the application has at least the following advantages: even if the first timing unit times in the first child-lock state, the first counting unit keeps a counting value, when the electronic cigarette enters the second child-lock state, the first timing unit and the first counting unit both receive a first reset signal, the first timing unit stops timing and sets zero, the first counting unit stops counting and sets zero, the previous timing and counting can be cleared when entering the second child-lock state, the electronic cigarette is not triggered to enter the first child-lock state, the electronic cigarette can be returned to the first child-lock state by the triggering action of the user with less times than the expected number of times, therefore, the user cannot be confused during operation, the operation expectation of the user is met, meanwhile, the user cannot mistakenly think that the electronic cigarette is damaged, and the brand of an electronic cigarette enterprise is not damaged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a block diagram of the electronic cigarette according to one embodiment of the present application;
FIG. 2 is a circuit block diagram of a child lock control circuit according to an embodiment of the present application;
FIG. 3 is a circuit block diagram of a child lock control circuit according to another embodiment of the present application;
FIG. 4 is a flowchart illustrating a method for controlling a child lock according to an embodiment of the present application;
reference numerals:
110-a battery; 120-a heating element; 130-an airflow sensor; 140-a charging interface; BAT-power supply terminal; GND-power ground; an AT-atomizing end; SW-airflow detection terminal; a CD-charging terminal;
200-child lock control circuit; 210-a first child lock module; 211-a first timing unit; 212-a first counting unit; 213-first timing count judgment unit; 220-a second child lock module; 221-a second timing unit; 222-a second counting unit; 223-a second chronograph count judgment unit; 231-a third timing unit; 232-third duration judging unit; 240-a flip-flop; 250-a switch control module; 260-a charge management module; 270-a suction and blowing detection module; 281-a fourth timing unit; 282-a fourth time length determination unit; and an M-power MOS tube.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprising" and "having," and any variations thereof, as appearing in the specification, claims, and drawings of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, the terms "first", "second", and "third", etc. are used to distinguish different objects, and are not used to describe a particular order. The electrical connection of the present application includes direct electrical connection and indirect electrical connection, and the indirect electrical connection means that other electronic components, unit modules, pins, and the like may also exist between two electrically connected components. The terminal XX referred to in this application may or may not be an actual terminal, for example, only one end of a component or one end of a wire. Three cases are mentioned and/or included in the present application, for example, a and/or B, including three cases a, B, a and B.
Referring to fig. 1, the electronic cigarette includes a battery 110, a heating element 120, and a child lock control circuit 200. The child lock control circuit 200 includes a power MOS transistor M, the power MOS transistor M is connected in series with the heating element 120 to form a heating branch, and two ends of the heating branch are electrically connected to the positive electrode and the negative electrode of the battery 110. In the present embodiment, a first terminal of the power MOS transistor M is electrically connected to the positive electrode of the battery 110, a second terminal of the power MOS transistor M is electrically connected to a first terminal of the heating element 120, and a second terminal of the heating element 120 is electrically connected to the negative electrode of the battery 110. In other embodiments of the present application, the second terminal of the power MOS transistor M is electrically connected to the negative electrode of the battery 110, the first terminal of the power MOS transistor M is electrically connected to the second terminal of the heat generating element 120, and the first terminal of the heat generating element 120 is electrically connected to the positive electrode of the battery 110. In this embodiment, the power MOS transistor M is a PMOS transistor. However, the present application is not limited thereto, and in other embodiments of the present application, the power MOS transistor M may also be an NMOS transistor. In the present embodiment, the battery 110 is a rechargeable battery 110 such as a lithium battery 110, a nickel cadmium battery 110, a nickel hydrogen battery 110, etc., and the heating element 120 is a heating wire, a ceramic seat containing the heating wire or the heating wire, or other conventional heating element 120.
In this embodiment, the child lock control circuit 200 further includes a first state detection module, a second state detection module, a first child lock module 210, a second child lock module 220, and a switch control module 250.
In this embodiment, the first state detection module detects whether the electronic cigarette is in a first state, for example, a charging state, a smoking state, an air blowing state, a non-smoking state, a cartridge insertion state, and the like. In this embodiment, the first state detecting module is a charging management module 260, the charging management module 260 is electrically connected to the charging interface 140, and the charging interface 140 is, for example, a Type-C interface, a Lightning interface, a Micro USB interface, or other conventional interfaces. When the electronic cigarette is connected to an external power supply through the charging interface 140 and the charger, the charging management module 260 recognizes that the electronic cigarette is in a charging state, and the charging management module 260 outputs a charging signal, for example, a high level signal; when the electronic cigarette is not connected to the external power source, the charging management module 260 outputs an uncharged signal, for example, a low level signal. The embodiment of the application utilizes the original charged state of electron cigarette to detect, the suction state detects, the state of blowing detects, not inhale the state of blowing detects, cigarette bullet insertion state detects, when not increasing designs such as bluetooth NFC and mechanical structure, can realize effectual triggering and get into first child lock state to reduced the hardware cost that the electron cigarette got into first child lock state, solved among the prior art electron cigarette and got into the higher technical problem of first child lock state cost. In addition, in other embodiments of the present application, the first status detection module may also be a smoking and blowing detection module 270 or a cartridge detection module, and the cartridge detection module is used to detect whether a separable cartridge is loaded on the cigarette rod. In addition, in other embodiments of the present application, if the cost is not considered, the first state detection module may also be a touch detection module, a key detection module, a fingerprint detection module, or the like.
In this embodiment, the second state detection module detects whether the electronic cigarette is in the second state, generally speaking, the action of triggering the second state is different from the action of triggering the first state, the second state is, for example, a smoking state, a blowing state, a cartridge insertion state, a charging state, and the like. In the present embodiment, the second status detection module is an inhale/blow detection module 270, and a specific implementation manner of the inhale/blow detection module 270 can be found in the applicant's prior application CN202210500141.4, which is also incorporated in the present application, or the inhale/blow detection module 270 is another inhale/blow detection module 270 conventional in the art. In the present embodiment, the suction/blow detection module 270 is electrically connected to the airflow sensor 130, and the airflow sensor 130 is, for example, a MEMS sensor or a microphone. In this embodiment, when a user sucks or blows air, an air flow is generated inside the electronic cigarette, a capacitance value, a frequency value and the like of the air flow sensor 130 change due to the air flow, the suction and blowing detection module 270 can detect the change of the air flow sensor 130, so as to correspondingly output a suction signal or a blowing signal, when the electronic cigarette is not sucked and blown, the air flow is not generated inside the electronic cigarette, the air flow sensor 130 does not change, and the suction and blowing detection module 270 detects that the air flow sensor 130 does not change, so as to output a non-suction and blowing signal. In this embodiment, when the user sucks the electronic cigarette, the suction and blowing detection module 270 recognizes that the electronic cigarette is in a suction state, the suction and blowing detection module 270 outputs a suction signal, when the user blows, the suction and blowing detection module 270 recognizes that the electronic cigarette is in a blowing state, the suction and blowing detection module 270 outputs a blowing signal, when the user neither blows nor inhales, the suction and blowing detection module 270 recognizes that the electronic cigarette is in a non-suction and blowing state, and the suction and blowing detection module 270 outputs a non-suction and blowing signal. In this embodiment, the blowing signal and the inhalation signal may be a single signal or a combined signal. In addition, in other embodiments of the present application, the first state detection module may also be the suction and blowing detection module 270, and at this time, the first state detection module and the second state detection module are the same state detection module, and the first state detection module may be configured to detect that the air blowing action is triggered to enter the first child lock state. The embodiment of the application utilizes the original suction state of electron cigarette to detect, the state detection of blowing, cigarette bullet insertion state detects, the charged state detects, when not increasing designs such as bluetooth NFC and mechanical structure, can realize effectual triggering and get into the child lock state of second to the hardware cost of the entering child lock state of electron cigarette has been reduced, the higher technical problem of electron cigarette entering child lock state cost among the solution prior art. In addition, in other embodiments of the present application, the second status detection module may also be a cartridge detection module or a charging management module 260. In addition, in other embodiments of the present application, if the cost is not considered, the second state detection module may also be a touch detection module, a key detection module, a fingerprint detection module, or the like.
In this embodiment, the first child lock module 210 is electrically connected to the first status detection module. Specifically, the first child lock module 210 includes a first timing unit 211, a first counting unit 212, and a first timing counting determination unit 213, wherein the first timing unit 211 and the first counting unit 212 are electrically connected to the first state detection module, and the first timing counting determination unit 213 is electrically connected to the first timing unit 211 and the first counting unit 212, respectively. In this embodiment, the first timing unit 211 and the first counting unit 212 trigger to start timing and counting according to the output signal of the first state detection module, for example, the charging signal triggers to start timing and counting, when the first timing and counting judgment unit 213 judges that the number counted in the first preset time period is greater than or equal to the first preset number, the first timing and counting judgment unit 213 generates a first child-lock signal, and then the electronic cigarette enters the first child-lock state; when the first timing counting judgment unit 213 judges that the counted number is smaller than the first preset number within the first preset time period, the electronic cigarette maintains the original child-lock state. In this embodiment, the first timing unit 211 stops timing and sets zero when the timing of the first timing unit 211 reaches the first preset time length, and the first counting unit 212 stops counting and sets zero; when the number counted in the first preset time period is greater than or equal to the first preset number, the first timing unit 211 stops counting and sets to zero, and the first counting unit 212 stops counting and sets to zero.
In this embodiment, the second child lock module 220 is electrically connected to the second state detection module, the second child lock module 220 is configured to generate a second child lock signal according to an output signal of the second state detection module, and the second child lock signal is used to enable the electronic cigarette to enter the second child lock state.
In this embodiment, the switch control module 250 is electrically connected to the first child-lock module 210 and the second child-lock module 220, the output end of the switch control module 250 is further electrically connected to the control end of the power MOS transistor M, and a conventional driving module may also exist between the switch control module 250 and the control end of the power MOS. In this embodiment, the switch control module 250 controls the power MOS transistor M to turn off or turn on by outputting a high level signal or a low level signal, the power MOS transistor M is turned off when the switch control module 250 outputs a high level signal, and the power MOS transistor M is turned on when the switch control module 250 outputs a low level signal. In this embodiment, the switch control module 250 is also electrically connected to the suck-and-blow detection module 270.
In this embodiment, the switch control module 250 is, for example, a logic gate circuit such as an and gate, an nand gate, an or gate, a nor gate, or a combination circuit thereof, for example, the switch control module 250 includes a nand gate, when the switch control module 250 receives a low level signal from the first child lock module 210, an output end of the switch control module 250 directly outputs a high level signal, the power MOS transistor M is turned off, when the switch control module 250 receives a high level signal from the second child lock module 220, an output of the nand gate is controlled by the inhalation/blowing detection module 270, and when the inhalation/blowing detection module 270 determines that the user inhales the electronic cigarette, the switch control module 250 controls the power MOS transistor M to be continuously turned on or intermittently turned on.
In this embodiment, the first child-lock state is a child-lock locking state, the child-lock locking state corresponds to a child-lock protection function, and when the electronic cigarette is in the child-lock locking state, no matter whether the user sucks the electronic cigarette, the switch control module 250 controls the power MOS transistor M to keep off, for example, the first child-lock module 210 continuously outputs a low level signal, the switch control module 250 continuously outputs a high level signal, and the power MOS transistor M keeps off, so that the heating element 120 does not heat, and further, the smoke oil is not atomized for the user to suck, that is, even if the user sucks the electronic cigarette, smoke does not occur. The second child-lock state is a child-lock unlock state, the child-lock unlock state correspondingly releases the child-lock protection function, at this time, when the user sucks the electronic cigarette, the switch control module 250 controls the power MOS transistor M to be continuously turned on or to be intermittently turned on, where the intermittent turning on means that the switch control module 250 outputs a square wave signal in a PWM mode or a PFM mode, and the duty ratio of the square wave signal is adjusted to control the output power, for example, the second child-lock module 220 continuously outputs a high level signal, and the switch control module 250 is controlled by the suck-blow detection module 270. The present application is not limited to this, and in other embodiments of the present application, the first child-lock state may also be an unlocked state of the child lock, and the second child-lock state may also be a locked state of the child lock.
In this embodiment, when the electronic cigarette enters the second child-lock state, the first timing unit 211 and the first counting unit 212 receive the first reset signal, that is, when the electronic cigarette is in the first child-lock state, whether the first timing unit 211 starts timing or not, and whether the first counting unit 212 has counted, when the electronic cigarette enters the second child-lock state from the first child-lock state, the first timing unit 211 and the first counting unit 212 both receive the first reset signal, the first timing unit 211 resets, that is, the first timing unit 211 stops timing and sets to zero, the first counting unit 212 resets, that is, the first counting unit 212 stops counting and sets to zero, and then the user charges the electronic cigarette, and the electronic cigarette enters the charging state, because the first timing unit 211 does not start timing before, the first counting unit 212 does not start counting previously, so that the first timing unit 211 is triggered to start timing from 0, the first counting unit 212 is triggered to count from 0, and when the number of charging in the first preset state is greater than or equal to the number of charging, the first counting in the first timer unit 212 is triggered, the first timer output signal of the first timer lock switch 213, so as to keep the first child-lock output signal 250, and the output of the MOS control module 250, thereby keeping the high-level. Therefore, the following situations can not occur in the application: the first timing unit 211 and the first counting unit 212 are always working, and in a child lock locking state (similar to the child lock unlocking state, which is not described herein), when a user inserts and removes the charger connector normally (or sucks or blows), the first timing unit 211 and the first counting unit 212 are triggered to perform timing and counting, at this time, when the user operates normally to enable the electronic cigarette to enter the child lock unlocking state, the first timing unit 211 is still performing timing, and the count value of the first counting unit 212 is retained, so that in the child lock unlocking state, the first child lock module 210 may receive charging insertion times less than the first preset number and enter the child lock locking state, which may cause a logic error, cause trouble to the user in use, and easily cause the user misoperation. For example, in the child lock locked state, the user charges the electronic cigarette normally, the charger connector is inserted into the charging interface 140, the first timing unit 211 starts timing, the first counting unit 212 counts to 1, after the user operates normally, the electronic cigarette enters the child lock unlocked state, the first timing unit 211 still counts time, and then when the electronic cigarette is plugged and charged for 2 times due to various reasons, the first preset number is satisfied (assuming that the first preset number is 3 times, assuming that the first preset number is within the first preset duration), the first timing and counting determination unit 213 outputs the first child lock signal, so that the electronic cigarette returns to the child lock locked state, which may cause logic confusion in the user using process, which may not meet the user's expectations, which may cause trouble to the user's operation, and may easily cause misoperation of the user.
In this embodiment, the child lock control circuit 200 further includes a trigger 240, the trigger 240 is, for example, an SR trigger 240 or another conventional trigger 240, one input end of the trigger 240 is electrically connected to the output end of the first child lock module 210, another input end of the trigger 240 is electrically connected to the output end of the second child lock module 220, an output end of the trigger 240 is electrically connected to the switch control module 250, and an output end of the trigger 240 is further electrically connected to the first timing unit 211 and the first counting unit 212. When the second child-lock module 220 generates a second child-lock signal for enabling the electronic cigarette to enter a second child-lock state, the trigger 240 receives the second child-lock signal and outputs a second signal, where the second signal is a high-level signal, an edge signal of the second signal is converted from a first signal (described later) by the trigger 240 to be a first reset signal, and the electronic cigarette enters the second child-lock state, and meanwhile, the first timing unit 211 and the first counting unit 212 receive the first reset signal, the first timing unit 211 stops timing and sets zero, and the first counting unit 212 stops counting and sets zero. How to reset the first timing unit 211 and the first counting unit 212 after receiving the first reset signal is a conventional technique in the art, and is not described herein again.
In this embodiment, the output terminal of the trigger 240 is also electrically connected to the second child lock module 220. When the first child lock module 210 outputs a first child lock signal for enabling the electronic cigarette to enter the first child lock state, the trigger 240 continuously outputs a low level signal to the switch control module 250 and the second child lock module 220, the low level signal is a first signal, meanwhile, an edge signal converted from a second signal to the first signal is a second reset signal, the electronic cigarette enters the first child lock state, and the second child lock module 220 receives the second reset signal.
In addition, in other embodiments of the present application, the first timing unit 211 and the first counting unit 212 are electrically connected to the switch control module 250, and the second child lock module 220 is electrically connected to the switch control module 250. When the second child lock module 220 outputs a second child lock signal enabling the electronic cigarette to enter a second child lock state, the trigger 240 continuously outputs a high level signal corresponding to the second child lock signal, the switch control module 250 continuously outputs a high level signal corresponding to the first timing unit 211 and the first counting unit 212, the high level signal output by the switch control module 250 is a second signal, the switch control module 250 outputs an edge signal converted from a low level signal (a first signal) to a high level signal (a second signal) as a first reset signal, the electronic cigarette enters the second child lock state, the switch control module 250 is controlled by the inhalation/blowing detection module 270, and meanwhile the first timing unit 211 and the first counting unit 212 receive the first reset signal, the first timing unit 211 stops timing and sets zero, and the first counting unit 212 stops counting and sets zero; when the first child lock module 210 outputs a first child lock signal for enabling the electronic cigarette to enter the first child lock state, the trigger 240 continuously outputs a low level signal corresponding to the first child lock signal, the switch control module 250 also continuously outputs a low level signal to the first timing unit 211 and the first counting unit 212, the low level signal output by the switch control module 250 is a first signal, the switch control module 250 outputs an edge signal converted from a high level signal (a second signal) to a low level signal (a first signal) as a second reset signal, the electronic cigarette enters the first child lock state, and the second child lock module 220 receives a second reset signal. For example, the switch control module 250 further includes a reset unit, and the reset unit includes, for example, two not gates, the two not gates are connected in series, an input terminal of one of the not gates is electrically connected to an output terminal of the flip-flop 240, and an output terminal of the other not gate is electrically connected to the first timing unit 211 and the first counting unit 212, respectively. In addition, in other embodiments of the present application, the reset signals may be reversed, the first reset signal may also be an edge signal that is converted from a high-level signal to a low-level signal, and the second reset signal may also be an edge signal that is converted from a low-level signal to a high-level signal.
In addition, in other embodiments of the present application, similarly, the first timing unit 211 and the first counting unit 212 are both electrically connected to the output end of the second child-lock module 220, the second child-lock module 220 outputs a second child-lock signal for enabling the electronic cigarette to enter the second child-lock state, the second child-lock module 220 outputs an edge signal converted from a low-level signal to a high-level signal as a first reset signal, in addition, in other embodiments of the present application, the first reset signal may be a falling edge signal, the first timing unit 211 receives the first reset signal, the first timing unit 211 stops timing and sets zero, the first counting unit 212 receives the first reset signal, and the first counting unit 212 stops counting and sets zero.
In the present embodiment, the second child lock module 220 is similar to the first child lock module 210, and the second child lock module 220 includes a second timing unit 221, a second counting unit 222, and a second timing and counting determination unit 223. The second timing unit 221 and the second counting unit 222 are electrically connected to the second state detection module, the second timing counting judgment unit 223 is electrically connected to the second timing unit 221 and the second counting unit 222, and when the electronic cigarette enters the first child-lock state, the second timing unit 221 and the second counting unit receive a second reset signal, so that the second timing unit 221 stops timing and sets zero, and the second counting unit 222 stops counting and sets zero. In this embodiment, when the electronic cigarette is in the first child lock state and when the user smokes the electronic cigarette, the second state detection module outputs an inhalation signal to the second timing unit 221 and the second counting unit 222, the second timing unit 221 starts timing, the second counting unit 222 starts counting, the second timing counting determination unit 223 is configured to determine whether the count of the second counting unit 222 in the second preset time period is greater than or equal to the second preset number, when the second timing counting determination unit 223 determines that the count of the second counting unit 222 in the second preset time period is greater than or equal to the second preset number, the second timing counting determination unit 223 outputs a second child lock signal to the trigger 240, and the trigger 240 outputs a second signal to the switch control unit. The specific functions of the second child lock module 220 can refer to the first child lock module 210, and are not described in detail herein. In addition, in other embodiments of the present application, when the second child lock state is the child lock locking state, the second child lock module 220 may further not include the second counting unit 222, and the second timing counting determination unit 223 is a second duration determination unit, at this time, the electronic cigarette determines whether to enter the second child lock state through the placing duration.
In this embodiment, regardless of whether the electronic cigarette is in the first child-lock state or the second child-lock state, the first timing unit 211, the first counting unit 212, the second timing unit 221, and the second counting unit 222 all operate, and when the trigger signal is received, the first timing unit 211 and the second timing unit 221 start timing correspondingly, and the first counting unit 212 and the second counting unit 222 start counting correspondingly. In the present embodiment, the three units of the second timing unit 221, the second counting unit 222, and the second timing count judgment unit 223 may be implemented by a conventional timer and a conventional counter, that is, although the foregoing is functionally divided into three units, the three units may actually be implemented by two circuit modules, which also belongs to the scope of the present application. In the present embodiment, the three units, i.e., the first timing unit 211, the first counting unit 212, and the first timing count judging unit 213, can be implemented by a conventional timer and a conventional counter, that is, although the foregoing is functionally divided into three units, the three units can actually be implemented by two circuit modules, which also belongs to the scope of the present application.
The inventor of the application finds out in the actual test process that: the charger connector is not in contact with the charging interface 140 stably, or the charger connector and the charging interface 140 are worn due to long-term use, or are shaken, so that the charger connector and the charging interface 140 may be plugged once, so that the charging management module 260 detects multiple charging signals, and the electronic cigarette may be triggered to enter the first child-locked state by mistake when the charger connector and the charging interface 140 are plugged once, which causes troubles to the use of a user. In order to solve the problem, in this embodiment, the child lock control circuit 200 further includes a third timing unit 231 and a third duration determining unit 232, wherein the third timing unit 231 is electrically connected to the first state detecting module, the third duration determining unit 232 is electrically connected to the third timing unit 231, an output end of the third duration determining unit 232 is electrically connected to the first timing unit 211 and the first counting unit 212, respectively, and the third duration determining unit 232 is configured to generate a trigger valid signal according to a timing duration of the third timing unit 231. In the present embodiment, the two units, i.e. the third timing unit 231 and the third duration judging unit 232, can be implemented by a conventional timer, that is, although the foregoing is functionally divided into two units, the two units can be actually implemented by one circuit module, and this also belongs to the scope of the present application.
In this embodiment, when the electronic cigarette enters the charging state, the third timing unit 231 starts timing, and when the third duration determining unit 232 determines that the timing of the third timing unit 231 is greater than or equal to a third preset duration, that is, the duration in the charging state is greater than or equal to the third preset duration, at this time, the third duration determining unit 232 outputs a trigger valid signal to the first timing unit 211 and the first counting unit 212, the first timing unit 211 is triggered to start timing, the first counting unit 212 is triggered to start counting, and the first timing unit 211 ignores the output signal of the third duration determining unit 232 as long as the first timing unit 211 is not reset; and each charging process detects and determines the duration of the charging signal, and the first counting unit 212 counts only if the duration of the charging signal is greater than or equal to a third preset duration. Thereafter, the third timing unit 231 is reset, i.e., stops timing and is set to zero. Within the first preset time period, if the third time period determining unit 232 determines that the timing of the third timing unit 231 is greater than or equal to the third preset time period again next time, the first timing unit 211 ignores the signal, meanwhile, the count of the first counting unit 212 is increased by 1, that is, the subsequent count detects and determines the holding time period of the charging signal, and the count is only performed if the charging holding time period is greater than or equal to the third preset time period. In this embodiment, the third timing unit 231 starts timing by triggering a rising edge signal (edge signal), a falling edge signal (edge signal), a high level signal (level signal) or a low level signal (level signal), so that when the first state detection module is converted from the uncharged signal to the charged signal, the third timing unit 231 is triggered to start timing.
In addition, the first timing unit 211 may not trigger to start timing by receiving a trigger valid signal, in other embodiments of the present application, the first timing unit 211 is electrically connected to the first state detection module, the first timing unit 211 acquires information that the electronic cigarette enters the first state, and the first timing unit 211 also performs timing, that is, the first timing unit 211 performs timing as much as the third timing unit 231 performs timing. In this embodiment, the first timing unit 211 performs timing by edge signal triggering, and the third timing unit 231 performs timing by level signal triggering or edge signal triggering.
In this embodiment, when the third duration determining unit 232 determines that the timing of the third timing unit 231 is less than the third preset duration, that is, the duration in the charging state is less than the third preset duration, the third duration determining unit 232 does not output the trigger valid signal, for example, outputs the trigger invalid signal, and the trigger invalid signal does not trigger the following circuit to perform timing and counting. In this embodiment, when the duration of the charging signal is short and the charging signal is changed back to the non-charging signal soon, the third timing unit 231 stops timing and the timing duration is set to zero, that is, the third timing unit 231 is reset, and meanwhile, the third duration determining unit 232 still outputs the trigger disable signal. In the present embodiment, the third preset time period is, for example, 10ms, 20ms, 30ms, 40ms, 50ms, 60ms, 70ms, 80ms, 90ms, 100ms, and the like. The aforementioned problem that a plurality of charging signals occur during one charging, generally speaking, the duration of the charging signal is short and is less than 10ms, and the charging signal is greater than or equal to 10ms and less than or equal to 100ms when the charging signal is connected stably, this embodiment separates whether the charging is effective or ineffective due to poor stability, loss, and the like, when the duration of the charging signal is short and is changed from the charging signal to an uncharged signal soon, the third timing unit 231 resets, and at the same time, the third duration determining unit 232 does not output a trigger effective signal to the first timing unit 211 and the first counting unit 212, so that the first timing unit 211 and the first counting unit 212 are not triggered, and are not triggered by mistake, and the situation that the electronic cigarette is triggered to enter the first child-lock state when the charger connector is inserted into the charging interface 140 once does not occur.
The embodiment also detects the interval between the first states, and prevents the signal jitter corresponding to the first states from causing miscounting. Specifically, in the present embodiment, the child lock control circuit includes a fourth timing unit 281 and a fourth time length determining unit 282, the fourth timing unit 281 is electrically connected to the first state detecting module and the third time length determining unit 232, the fourth time length determining unit 282 is electrically connected to the fourth timing unit 281 and the third timing unit 231, and the third timing unit 231 is further electrically connected to the first state detecting module and the third time length determining unit 232. After the third duration determining unit 232 outputs the trigger valid signal, the fourth timing unit 281 acquires information that the electronic cigarette enters the non-first state from the first state after acquiring the trigger valid signal, for example, the information that the electronic cigarette changes from the charging state to the non-charging state (non-charging state), for example, the information that the electronic cigarette changes from the high level signal to the low level signal, the fourth timing unit 281 is triggered to start timing, meanwhile, the third timing unit 231 also acquires information that the electronic cigarette enters the non-first state from the first state after acquiring the trigger valid signal, the third timing unit 231 is locked, that is, enters the locked state, the third timing unit 231 is not triggered to start timing after being locked, and at this time, the timing of the third timing unit 291 is 0, and the third timing unit 231 will only time the duration of the first state if the third timing unit 231 is in the unlocked state after being unlocked. In this embodiment, after the fourth timing unit 281 starts timing, the fourth timing unit 281 keeps timing, the fourth time length determining unit 282 determines whether the timing time length of the fourth timing unit 281 is greater than or equal to a fourth preset time length, the fourth preset time length is, for example, 10ms to 100ms, for example, 10ms, 20ms, 30ms, 40ms, 50ms, 60ms, 70ms, 80ms, 90ms, 100ms, and the like, and preferably 20ms, when the fourth time length determining unit 282 determines that the timing of the fourth timing unit 281 reaches the fourth preset time length, the fourth timing unit 281 stops timing and sets zero, that is, the fourth timing unit 281 resets, and meanwhile, the fourth time length determining unit 282 outputs an unlocking signal to the third timing unit 231, the third timing unit 231 unlocks, the third timing unit 231 is in an unlocking state, and thereafter the third timing unit 231 acquires information that the electronic cigarette enters the first state, and the third timing unit 231 can perform timing. In this embodiment, when the fourth timing unit 281 does not receive the trigger valid signal, the fourth timing unit 281 does not trigger the start of timing even if the fourth timing unit 281 acquires the information that the electronic cigarette enters the non-first state from the first state. In this embodiment, the duration of the first state is determined, the counting is performed only when the duration is longer than the third preset duration, and after the electronic cigarette is changed from the first state to the non-first state after one counting, the fourth timing unit 281 times, and only when the timing of the fourth timing unit 281 is longer than or equal to the fourth preset duration, the third timing unit 231 may be effective again for timing, that is, the third timing unit 231 may be effective again for timing after at least the fourth preset duration is waited after the trigger effective signal is output. The setting can prevent the first state action from shaking to cause that the first state action is mistaken for a plurality of times of first state actions once, which causes the first state action not to conform to the expectation of the user.
In order to prevent the false counting caused by the jitter of the signal corresponding to the first state, in another embodiment of the present application, please refer to fig. 3, the child lock control circuit includes a fourth timing unit 281 and a fourth time length determining unit 282, the fourth timing unit 281 is electrically connected to the first state detecting module and the third time length determining unit 232 respectively, the fourth time length determining unit 282 is electrically connected to the fourth timing unit 281, the third timing unit 231 and the first counting unit 212 respectively, and the first counting unit 212 is further electrically connected to the first state detecting module and the third time length determining unit 232. After the third duration determining unit 232 outputs the trigger valid signal, the fourth timing unit 281 receives the trigger valid signal and then acquires the information that the electronic cigarette enters the non-first state from the first state, the fourth timing unit 281 is triggered to start timing, and the first counting unit 212 also acquires the information that the electronic cigarette enters the non-first state from the first state after acquiring the trigger valid signal, the first counting unit 212 is locked, that is, enters the locked state, and the first counting unit 212 does not count up even if receiving the trigger valid signal again after being locked, that is, the first counting unit 212 keeps the original count value in the locked state, and does not count up the count value, and the first counting unit 212 adds one to the count number only if receiving the trigger valid signal after being unlocked. In this embodiment, after the fourth timing unit 281 starts timing, the fourth timing unit 281 keeps timing (even if the timing is changed from the non-first state to the first state), the fourth duration determining unit 282 determines whether the timing duration of the fourth timing unit 281 is greater than or equal to a fourth preset duration, when the fourth duration determining unit 282 determines that the timing duration of the fourth timing unit 281 reaches the fourth preset duration, the fourth timing unit 281 stops timing and sets zero, that is, the fourth timing unit 281 resets, at the same time, the fourth duration determining unit 282 outputs a reset signal to the third timing unit 231, the timing of the third timing unit 231 is stopped and set zero, that is, resets, at the same time, the fourth duration determining unit outputs an unlock signal to the first counting unit 212, the first counting unit 212 is unlocked, the first counting unit 212 enters the unlocked state, and thereafter the first counting unit 212 acquires a trigger valid signal again, and the first counting unit 212 can perform an action of adding one. In this embodiment, when the fourth timing unit 281 does not receive the trigger valid signal, the fourth timing unit 281 does not trigger the start of timing even if the fourth timing unit 281 acquires the information that the electronic cigarette enters the non-first state from the first state.
In this embodiment, the first preset time period and the second preset time period are generally less than or equal to 5s, which is beneficial to preventing false triggering, and the first preset time period is, for example, 1s, 1.5s, 1.8s, 2s, 2.3s, 2.5s, 2.8s, 3s, 4s, 5s, and the like, and is preferably 2s. In this embodiment, the first preset number and the second preset number are greater than or equal to 2, for example, 2, 3, 4, 5, 6, and preferably 3, and the first preset number and the second preset number are generally less than or equal to 6 times, which is convenient for the user to operate.
In the present embodiment, the child lock control circuit 200 is located on the same chip, which is generally referred to as a system control chip. However, the present application is not limited thereto, and in other embodiments of the present application, the child lock control circuit 200 is located on the same chip except for the first state detection module or the second state detection module.
Fig. 4 shows a child lock control method of an electronic cigarette according to an embodiment of the present application, which corresponds to the child lock control circuit 200 of the electronic cigarette according to the above embodiment, and for convenience of description, only the parts related to the embodiment of the present application are shown.
Referring to fig. 2 and 4 in combination, an embodiment of the present application provides a child lock control method for an electronic cigarette, including the following steps:
s11, the second child lock module 220 generates a second child lock signal for enabling the electronic cigarette to enter a second child lock state;
s12, triggering and outputting a first reset signal;
s13, the first timing unit 211 and the first counting unit 212 both receive the first reset signal, the first timing unit 211 stops timing and sets zero, and the first counting unit 212 stops counting and sets zero;
s14, acquiring information that the electronic cigarette enters a first state;
s15, triggering the first counting unit 212 to count and triggering the first timing unit 211 to time;
s16, judging whether the number counted in the first preset time length is greater than or equal to a first preset number or not, wherein the first preset number is greater than or equal to 2;
and S17, if the judgment result is yes, controlling the electronic cigarette to enter a first child-lock state.
It should be understood that, for convenience and simplicity of description, it is clearly understood by those skilled in the art that the foregoing functional units and modules are merely illustrated in terms of division, and in practical applications, the foregoing functional allocation may be performed by different functional units and modules according to needs, that is, the internal structure of the device is divided into different functional units or modules to perform all or part of the above-described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
It should be understood that reference herein to "a plurality" means two or more. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same and similar between the embodiments may be referred to each other. For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.
Claims (12)
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