CN111838777A - Current control method and device, electronic cigarette and readable storage medium - Google Patents
Current control method and device, electronic cigarette and readable storage medium Download PDFInfo
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- CN111838777A CN111838777A CN202010896917.XA CN202010896917A CN111838777A CN 111838777 A CN111838777 A CN 111838777A CN 202010896917 A CN202010896917 A CN 202010896917A CN 111838777 A CN111838777 A CN 111838777A
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000013507 mapping Methods 0.000 claims abstract description 48
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 15
- 235000019504 cigarettes Nutrition 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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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
-
- 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
Abstract
The invention discloses a current control method, a current control device, an electronic cigarette and a readable storage medium, wherein the method comprises the following steps: the method comprises the steps of obtaining the resistance value corresponding to each sub MOS tube in an output driving circuit of the electronic cigarette, then determining the mapping relation between resistance and current based on the resistance value corresponding to each sub MOS tube and the rated voltage value of the electronic cigarette, and then controlling the current value corresponding to a heating wire of the electronic cigarette based on the mapping relation between the resistance and the current. By determining the mapping relation between the resistance and the current, the current of the heating wire can be adjusted by adjusting the resistance value, so that the temperature in the cavity of the electronic cigarette is controlled, and the service life of the electronic cigarette is prolonged.
Description
Technical Field
The invention relates to the field of electronic cigarettes, in particular to a current control method and device, an electronic cigarette and a readable storage medium.
Background
Recently, electronic cigarette products have been developed, which atomize liquid containing chemical substances such as nicotine by high-tech means to generate smoke to achieve the purpose of smoking. At present, an atomization device of an electronic cigarette generally adopts a resistance wire to be electrified and generate heat, and the heat of the resistance wire is used for defogging electronic cigarette liquid. When a smoker smokes, the vibrating diaphragm is driven by the smoke flow to vibrate, and the capacitance sensor in the electronic cigarette senses the change of the smoke flow, so that the electronic cigarette is triggered to be opened, and the currents at the two ends of the heating wire are controlled to heat the heating wire.
The normal operating voltage of the electronic cigarette is 4.2V-3.1V, and the resistance value of the heating wire is about 2.3 Ω -1.3 Ω, so that the maximum output current of the electronic cigarette is 3.2A. The output driving circuit is generally a semiconductor MOS tube, can be divided into PMOS and NMOS, and can control the resistance value of the MOS tube by controlling the gate-source voltage of the MOS tube so as to control the output current change speed of the electronic cigarette. However, the gate-source voltage control of the MOS transistor and the output current change speed of the electronic cigarette are not linear nor controllable, and are easily affected by the dispersion of the operation voltage and the preparation process. And the current change speed is too fast, so that the temperature in the cavity rises rapidly, the capacitor sensor for the electronic cigarette is easily damaged, and the service life of the electronic cigarette is greatly shortened.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a current control method, a current control device, an electronic cigarette and a readable storage medium, and aims to solve the technical problem that the current change speed is uncontrollable due to the nonlinearity of the resistance value and the current change speed of an output drive circuit of the conventional electronic cigarette, so that the service life of the electronic cigarette is shortened.
In order to achieve the above object, the present invention provides a current control method, including the steps of:
acquiring resistance values corresponding to the sub MOS tubes in an output driving circuit of the electronic cigarette;
determining a mapping relation between the resistance and the current based on the resistance value corresponding to each sub MOS tube and the rated voltage value of the electronic cigarette;
and controlling the current value corresponding to the heating wire of the electronic cigarette based on the mapping relation between the resistance and the current.
Further, the sub-MOS transistors are connected in parallel, and the sub-MOS transistors are individually controlled based on respective control signals.
Further, the step of determining a mapping relationship between the resistance and the current based on the resistance value corresponding to each sub MOS transistor and the rated voltage value of the electronic cigarette includes:
respectively calculating the current values corresponding to the sub MOS tubes under different combinations;
and determining the mapping relation between the resistance and the current based on the corresponding current values under the different combinations.
Further, the step of calculating the current values of the sub-MOS transistors corresponding to different combinations respectively includes:
respectively calculating the corresponding resistance values of the sub MOS tubes under different combinations;
and respectively dividing the rated voltage value of the electronic cigarette with the corresponding resistance values under different combinations to obtain the corresponding current values of the sub MOS tubes under different combinations.
Further, the step of controlling a current value corresponding to a heating wire of the electronic cigarette based on the mapping relationship between the resistance and the current includes:
when the electronic cigarette detects that the airflow changes, acquiring a current value corresponding to the heating wire;
determining whether to adjust the total resistance of an output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire, wherein the total resistance of the output driving circuit is the sum of the resistance values corresponding to the sub MOS tubes;
when the total resistance of the output driving circuit of the electronic cigarette is determined to be adjusted, adjusting the total resistance of the driving circuit based on the mapping relation between the resistance and the current;
and updating the current value corresponding to the heating wire of the electronic cigarette based on the adjusted total resistance of the driving circuit.
Further, the step of determining whether to adjust the total resistance of the output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire comprises:
when the current value corresponding to the heating wire is smaller than or equal to the threshold current, determining not to adjust the total resistance of the output driving circuit of the electronic cigarette;
and when the current value corresponding to the heating wire is larger than the threshold current, determining and adjusting the total resistance of the output driving circuit of the electronic cigarette.
Further, when it is determined to adjust the total resistance of the output drive circuit of the electronic cigarette, the step of adjusting the total resistance of the drive circuit based on the mapping of the resistance to current includes:
when determining to adjust the total resistance of the output driving circuit of the electronic cigarette, determining the target resistance of the output driving circuit based on the mapping relation between the resistance and the current;
determining sub MOS tubes with effective resistance values in each sub MOS tube based on the target resistance;
and regulating the total resistance of the driving circuit based on the effective sub MOS tube of the resistance value.
Further, the current control device includes:
the acquisition module is used for acquiring the resistance value corresponding to each sub MOS tube in the output drive circuit of the electronic cigarette;
the determining module is used for determining a mapping relation between the resistance and the current based on the respective corresponding resistance value of each sub MOS tube and the rated voltage value of the electronic cigarette;
and the control module is used for controlling the current value corresponding to the heating wire of the electronic cigarette based on the mapping relation between the resistance and the current.
In addition, to achieve the above object, the present invention also provides a current-controlled electronic cigarette, including: a memory, a processor and a current control program stored on the memory and executable on the processor, the current control program when executed by the processor implementing the steps of any of the current control methods described above.
In addition, to achieve the above object, the present invention further provides a readable storage medium having stored thereon a current control program, which when executed by a processor, implements the steps of the current control method according to any one of the above.
The invention obtains the resistance value corresponding to each sub MOS tube in the output drive circuit of the electronic cigarette, then determines the mapping relation between the resistance and the current based on the resistance value corresponding to each sub MOS tube and the rated voltage value of the electronic cigarette, and then controls the current value corresponding to the heating wire of the electronic cigarette based on the mapping relation between the resistance and the current. By determining the mapping relation between the resistance and the current, the current of the heating wire can be adjusted by adjusting the resistance value, so that the temperature in the cavity of the electronic cigarette is controlled, and the service life of the electronic cigarette is prolonged.
Drawings
FIG. 1 is a schematic flow chart of a first embodiment of a current control method according to the present invention;
FIG. 2 is a diagram illustrating a mapping relationship between a resistance and a current according to an embodiment of the current control method of the present invention;
FIG. 3 is a flow chart illustrating a second embodiment of a current control method according to the present invention;
fig. 4 is a functional block diagram of a current control apparatus according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention also provides a current control method, and referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of the current control method of the invention.
While a logical order is shown in the flow chart, in some cases, the steps shown or described may be performed in an order different than presented herein.
In this embodiment, the current control method includes:
step S100, obtaining the resistance value corresponding to each sub MOS tube in the output drive circuit of the electronic cigarette;
in this embodiment, as society develops and human beings progress, tobacco is gradually replaced as a consumer product harmful to the human body by a healthy article having the same function. The capacitive sensor in the electron cigarette is the essential element in the electron cigarette, and when the smoker smoked, the vibrating diaphragm vibration can be driven to the air current of smoking, and the capacitive sensor in the electron cigarette senses the air current change like this to trigger and open the electron cigarette, and the electric current at control heater strip both ends makes the heater strip heat.
As mentioned above, the normal operating voltage of the electronic cigarette is 4.2V to 3.1V, and the resistance of the heating wire is about 2.3 Ω to 1.3 Ω, so that the maximum output current of the electronic cigarette is 3.2A. The output driving circuit is generally a semiconductor MOS tube, can be divided into PMOS and NMOS, and can control the resistance value of the MOS tube by controlling the gate-source voltage of the MOS tube so as to control the output current change speed of the electronic cigarette. However, the gate-source voltage control of the MOS transistor and the output current change speed of the electronic cigarette are not linear nor controllable, and are easily affected by the dispersion of the operation voltage and the preparation process. And the current change speed is too fast, so that the temperature in the cavity rises rapidly, the capacitor sensor for the electronic cigarette is easily damaged, and the service life of the electronic cigarette is greatly shortened. Therefore, according to the current control method provided by the application, the mapping relation between the resistance and the current is determined, so that the current of the heating wire can be adjusted by adjusting the resistance value, the temperature in the cavity of the electronic cigarette is further controlled, and the service life of the electronic cigarette is prolonged.
Specifically, the sub-MOS transistors are connected in parallel, and are individually controlled based on respective control signals, that is, the output driving circuit is composed of a plurality of sub-MOS transistors, the resistance of each sub-MOS transistor may be the same or different, the magnitude of the resistance of each sub-MOS transistor is determined according to actual requirements, and if 8 sub-MOS transistors are provided, the resistance values of the sub-MOS transistors are equal to 0.8 Ω, and each sub-MOS transistor has a respective control signal, whether the sub-MOS transistor is used or not can be determined by using the control signal, so that the output current of the electronic cigarette is controlled to change. The total resistance of the driving circuit needs to be calculated according to the resistance of each sub-MOS transistor, so that the resistance value corresponding to each sub-MOS transistor in the output driving circuit of the electronic cigarette needs to be obtained.
Step S200, determining a mapping relation between the resistance and the current based on the respective corresponding resistance value of each sub MOS tube and the rated voltage value of the electronic cigarette;
specifically, step S200 includes:
step S210, calculating the corresponding current values of the sub MOS tubes under different combinations respectively;
specifically, step S210 includes:
step S211, respectively calculating the corresponding resistance values of the sub MOS tubes under different combinations;
step S212, respectively dividing the rated voltage value of the electronic cigarette by the corresponding resistance values under different combinations to obtain corresponding current values of the sub MOS transistors under different combinations.
Step S220, determining a mapping relationship between the resistance and the current based on the corresponding current values in the different combinations.
In this embodiment, the sub-MOS transistors are connected in parallel, and are individually controlled based on respective control signals, it should be noted that, in order to ensure that the mapping relationship between the resistance and the current changes offline, the resistance of each sub-MOS is a fixed value in the use process, and the resistance value of the control MOS transistor does not need to be achieved by controlling the gate-source voltage of the MOS transistor.
Specifically, the resistance values of the sub-MOS transistors in different combinations are calculated, for example, if there are 8 sub-MOS transistors, the resistance when 2 sub-MOS transistors are connected in parallel, the resistance when 3 sub-MOS transistors are connected in parallel … … 8 resistance when the MOS transistors are connected in parallel, and the like are calculated, and then the rated voltage value of the electronic cigarette is divided by the corresponding resistance values in the different combinations, so as to obtain the corresponding current values of the sub-MOS transistors in the different combinations. Further, the corresponding resistance values and current values of the sub MOS tubes under different combinations are in one-to-one correspondence, so that the mapping relation between the resistance and the current is obtained.
For example, referring to fig. 2, assuming that there are 8 sub-MOS transistors with equal resistance values of 0.8 Ω, each sub-MOS transistor has its own control signal, when the control signals of 2 sub-MOS transistors are valid, the total resistance of the corresponding output driving circuit is 0.4 Ω, the rated voltage value of the electronic cigarette is 4.2V, the heating wire is 1.3 Ω, and at this time, the currents when the control signals of 2 sub-MOS transistors are valid are: the sum of the resistance of the heating wire of 1.3 omega and the total resistance of the output driving circuit of 0.4 omega is equal to 1.7 omega, and 4.2V is divided by 1.7 omega to obtain the current of about 2.5A.
And step S300, controlling a current value corresponding to a heating wire of the electronic cigarette based on the mapping relation between the resistance and the current.
In this embodiment, a mapping relationship between the resistance and the current is determined, so that the current value corresponding to the heating wire of the electronic cigarette can be controlled according to the adjusted resistance value. When the electronic cigarette detects that the airflow changes, acquiring a current value corresponding to the heating wire; determining whether to adjust the total resistance of an output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire, wherein the total resistance of the output driving circuit is the sum of the resistance values corresponding to the sub MOS tubes; when the total resistance of the output driving circuit of the electronic cigarette is determined to be adjusted, adjusting the total resistance of the driving circuit based on the mapping relation between the resistance and the current; and updating the current value corresponding to the heating wire of the electronic cigarette based on the adjusted total resistance of the driving circuit.
In the current control method provided in this embodiment, the resistance values corresponding to the sub-MOS transistors in the output driving circuit of the electronic cigarette are obtained, then, a mapping relationship between the resistance and the current is determined based on the resistance values corresponding to the sub-MOS transistors and the rated voltage value of the electronic cigarette, and then, the current value corresponding to the heating wire of the electronic cigarette is controlled based on the mapping relationship between the resistance and the current. By determining the mapping relation between the resistance and the current, the current of the heating wire can be adjusted by adjusting the resistance value, so that the temperature in the cavity of the electronic cigarette is controlled, and the service life of the electronic cigarette is prolonged.
Based on the first embodiment, referring to fig. 3, a second embodiment of the current control method of the present invention is proposed, in which step S300 includes:
step S310, when the electronic cigarette detects the change of the airflow, acquiring a current value corresponding to the heating wire;
in this embodiment, a capacitive sensor in the electronic cigarette is a main component in the electronic cigarette, and when a smoker smokes the electronic cigarette, the airflow of smoking drives the diaphragm to vibrate, so that the capacitive sensor in the electronic cigarette senses the change of the airflow, a voltage value corresponding to a heating wire of the electronic cigarette is determined according to the change of the airflow, and a current value corresponding to the heating wire can be obtained by further dividing the voltage value corresponding to the heating wire by a resistance value of the heating wire.
Step S320, determining whether to adjust the total resistance of an output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire, wherein the total resistance of the output driving circuit is the sum of the resistance values corresponding to the sub MOS tubes;
specifically, step S320 includes:
step S321, when the current value corresponding to the heating wire is smaller than or equal to the threshold current, determining not to adjust the total resistance of the output driving circuit of the electronic cigarette;
step S322, when the current value corresponding to the heating wire is greater than the threshold current, determining to adjust the total resistance of the output driving circuit of the electronic cigarette.
In this embodiment, through the corresponding current value of threshold current control heater strip to avoid the current value too big, lead to the electron cigarette cavity internal temperature to constantly rise, lead to the damage of capacitive sensor electron cigarette.
Specifically, the threshold current is determined according to actual conditions, whether the total resistance of the output driving circuit of the electronic cigarette is adjusted or not is determined based on the current value corresponding to the heating wire, when the current value corresponding to the heating wire is smaller than or equal to the threshold current, it is determined that the total resistance of the output driving circuit of the electronic cigarette is not adjusted, and when the current value corresponding to the heating wire is larger than the threshold current, it is determined that the total resistance of the output driving circuit of the electronic cigarette is adjusted.
Step S330, when the total resistance of the output driving circuit of the electronic cigarette is determined to be adjusted, the total resistance of the driving circuit is adjusted based on the mapping relation between the resistance and the current;
specifically, step S330 includes:
step S331, when determining to adjust the total resistance of the output driving circuit of the electronic cigarette, determining a target resistance of the output driving circuit based on the mapping relation between the resistance and the current;
step S332, determining sub MOS tubes with effective resistance values in each sub MOS tube based on the target resistance;
and S333, adjusting the total resistance of the driving circuit based on the sub MOS transistor with the effective resistance value.
In this embodiment, when the current value corresponding to the heating wire is greater than the threshold current, it indicates that the current is too large, so the total resistance of the output driving circuit of the electronic cigarette is adjusted, thereby reducing the current of the heating wire. According to the mapping relation between the resistance and the current, the resistance value corresponding to the threshold current can be determined, and the resistance of the heating wire is subtracted from the resistance value, so that the target resistance of the output driving circuit is obtained, wherein the target resistance is the resistance formed by combining the sub MOS tubes, namely the total resistance of the driving circuit.
And step S340, updating a current value corresponding to a heating wire of the electronic cigarette based on the adjusted total resistance of the driving circuit.
In this embodiment, a current value corresponding to the heating wire of the electronic cigarette is equal to a quotient of a control voltage and a total resistance of the electronic cigarette, the total resistance is a sum of a resistance corresponding to the heating wire of the electronic cigarette and a total resistance of the driving circuit, and when the total resistance of the driving circuit is updated, the current value corresponding to the heating wire of the electronic cigarette is also updated synchronously.
In the current control method provided in this embodiment, when the electronic cigarette detects a change in an airflow, a current value corresponding to the heater strip is obtained, and then whether to adjust a total resistance of an output driving circuit of the electronic cigarette is determined based on the current value corresponding to the heater strip, where the total resistance of the output driving circuit is a sum of resistance values corresponding to the sub-MOS transistors, and then when it is determined to adjust the total resistance of the output driving circuit of the electronic cigarette, the total resistance of the driving circuit is adjusted based on a mapping relationship between the resistance and the current, and finally, the current value corresponding to the heater strip of the electronic cigarette is updated based on the adjusted total resistance of the driving circuit. By determining the mapping relation between the resistance and the current, the current of the heating wire can be adjusted by adjusting the resistance value, so that the temperature in the cavity of the electronic cigarette is controlled, and the service life of the electronic cigarette is prolonged.
The present invention further provides a current control device, and referring to fig. 3, fig. 3 is a functional block diagram of an embodiment of the current control device of the present invention.
The obtaining module 10 is configured to obtain a resistance value corresponding to each sub-MOS transistor in an output driving circuit of the electronic cigarette;
the determining module 20 is configured to determine a mapping relationship between a resistance and a current based on the respective corresponding resistance value of each sub-MOS transistor and the rated voltage value of the electronic cigarette;
and the control module 30 is configured to control a current value corresponding to the heating wire of the electronic cigarette based on the mapping relationship between the resistance and the current.
Further, the determining module 20 is further configured to:
respectively calculating the current values corresponding to the sub MOS tubes under different combinations;
and determining the mapping relation between the resistance and the current based on the corresponding current values under the different combinations.
Further, the determining module 20 is further configured to:
respectively calculating the corresponding resistance values of the sub MOS tubes under different combinations;
and respectively dividing the rated voltage value of the electronic cigarette with the corresponding resistance values under different combinations to obtain the corresponding current values of the sub MOS tubes under different combinations.
Further, the control module 30 is further configured to:
when the electronic cigarette detects that the airflow changes, acquiring a current value corresponding to the heating wire;
determining whether to adjust the total resistance of an output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire, wherein the total resistance of the output driving circuit is the sum of the resistance values corresponding to the sub MOS tubes;
when the total resistance of the output driving circuit of the electronic cigarette is determined to be adjusted, adjusting the total resistance of the driving circuit based on the mapping relation between the resistance and the current;
and updating the current value corresponding to the heating wire of the electronic cigarette based on the adjusted total resistance of the driving circuit.
Further, the control module 30 is further configured to:
when the current value corresponding to the heating wire is smaller than or equal to the threshold current, determining not to adjust the total resistance of the output driving circuit of the electronic cigarette;
and when the current value corresponding to the heating wire is larger than the threshold current, determining and adjusting the total resistance of the output driving circuit of the electronic cigarette.
Further, the control module 30 is further configured to:
when determining to adjust the total resistance of the output driving circuit of the electronic cigarette, determining the target resistance of the output driving circuit based on the mapping relation between the resistance and the current;
determining sub MOS tubes with effective resistance values in each sub MOS tube based on the target resistance;
and regulating the total resistance of the driving circuit based on the effective sub MOS tube of the resistance value.
In addition, an embodiment of the present invention further provides a readable storage medium, where a current control program is stored, and the current control program, when executed by a processor, implements the steps of the current control method in the foregoing embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a readable storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and includes several instructions for enabling a system device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A current control method, applied to an electronic cigarette provided with a temperature compensation circuit, comprising:
acquiring resistance values corresponding to the sub MOS tubes in an output driving circuit of the electronic cigarette;
determining a mapping relation between the resistance and the current based on the resistance value corresponding to each sub MOS tube and the rated voltage value of the electronic cigarette;
and controlling the current value corresponding to the heating wire of the electronic cigarette based on the mapping relation between the resistance and the current.
2. The current control method of claim 1, wherein the respective sub-MOS transistors are connected in parallel, and wherein the respective sub-MOS transistors are individually controlled based on respective control signals.
3. The current control method according to claim 2, wherein the step of determining the mapping relationship between the resistance and the current based on the resistance value corresponding to each sub-MOS transistor and the rated voltage value of the electronic cigarette comprises:
respectively calculating the current values corresponding to the sub MOS tubes under different combinations;
and determining the mapping relation between the resistance and the current based on the corresponding current values under the different combinations.
4. The current control method of claim 3, wherein the step of calculating the current values of the sub-MOS transistors under different combinations respectively comprises:
respectively calculating the corresponding resistance values of the sub MOS tubes under different combinations;
and respectively dividing the rated voltage value of the electronic cigarette with the corresponding resistance values under different combinations to obtain the corresponding current values of the sub MOS tubes under different combinations.
5. The current control method according to any one of claims 1 to 4, wherein the step of controlling the current value corresponding to the heating wire of the electronic cigarette based on the mapping relationship of the resistance and the current comprises:
when the electronic cigarette detects that the airflow changes, acquiring a current value corresponding to the heating wire;
determining whether to adjust the total resistance of an output driving circuit of the electronic cigarette based on the current value corresponding to the heating wire, wherein the total resistance of the output driving circuit is the sum of the resistance values corresponding to the sub MOS tubes;
when the total resistance of the output driving circuit of the electronic cigarette is determined to be adjusted, adjusting the total resistance of the driving circuit based on the mapping relation between the resistance and the current;
and updating the current value corresponding to the heating wire of the electronic cigarette based on the adjusted total resistance of the driving circuit.
6. The current control method according to claim 5, wherein the step of determining whether to adjust the total resistance of the output drive circuit of the electronic cigarette based on the current value corresponding to the heating wire comprises:
when the current value corresponding to the heating wire is smaller than or equal to the threshold current, determining not to adjust the total resistance of the output driving circuit of the electronic cigarette;
and when the current value corresponding to the heating wire is larger than the threshold current, determining and adjusting the total resistance of the output driving circuit of the electronic cigarette.
7. The current control method of claim 5, wherein when determining to adjust a total resistance of an output drive circuit of the e-cigarette, adjusting the total resistance of the drive circuit based on the mapping of resistance to current comprises:
when determining to adjust the total resistance of the output driving circuit of the electronic cigarette, determining the target resistance of the output driving circuit based on the mapping relation between the resistance and the current;
determining sub MOS tubes with effective resistance values in each sub MOS tube based on the target resistance;
and regulating the total resistance of the driving circuit based on the effective sub MOS tube of the resistance value.
8. A current control device, characterized in that the current control device comprises:
the acquisition module is used for acquiring the resistance value corresponding to each sub MOS tube in the output drive circuit of the electronic cigarette;
the determining module is used for determining a mapping relation between the resistance and the current based on the respective corresponding resistance value of each sub MOS tube and the rated voltage value of the electronic cigarette;
and the control module is used for controlling the current value corresponding to the heating wire of the electronic cigarette based on the mapping relation between the resistance and the current.
9. An electronic cigarette, comprising: memory, a processor and a current control program stored on the memory and executable on the processor, the current control program when executed by the processor implementing the steps of the current control method according to any one of claims 1 to 7.
10. A readable storage medium, characterized in that the readable storage medium has the current control program stored thereon, which when executed by a processor implements the steps of the current control method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896917.XA CN111838777A (en) | 2020-08-31 | 2020-08-31 | Current control method and device, electronic cigarette and readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896917.XA CN111838777A (en) | 2020-08-31 | 2020-08-31 | Current control method and device, electronic cigarette and readable storage medium |
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| CN111838777A true CN111838777A (en) | 2020-10-30 |
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| CN202010896917.XA Pending CN111838777A (en) | 2020-08-31 | 2020-08-31 | Current control method and device, electronic cigarette and readable storage medium |
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| CN (1) | CN111838777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113115992A (en) * | 2021-04-26 | 2021-07-16 | 东莞市众易创芯电子有限公司 | Current output control method, device and equipment of electronic cigarette and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113115992A (en) * | 2021-04-26 | 2021-07-16 | 东莞市众易创芯电子有限公司 | Current output control method, device and equipment of electronic cigarette and storage medium |
| CN113115992B (en) * | 2021-04-26 | 2022-11-22 | 东莞市众易创芯电子有限公司 | Current output control method, device and equipment of electronic cigarette and storage medium |
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Address after: Room 103, 396 Songling Road, Laoshan District, Qingdao City, Shandong Province 266100 Applicant after: Geer Microelectronics Co.,Ltd. Address before: Room 103, 396 Songling Road, Laoshan District, Qingdao City, Shandong Province 266100 Applicant before: Goer Microelectronics Co.,Ltd. |
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Application publication date: 20201030 |