CN112971209A - Electronic cigarette control system, electronic cigarette and electronic cigarette control method - Google Patents
Electronic cigarette control system, electronic cigarette and electronic cigarette control method Download PDFInfo
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- CN112971209A CN112971209A CN201911272578.1A CN201911272578A CN112971209A CN 112971209 A CN112971209 A CN 112971209A CN 201911272578 A CN201911272578 A CN 201911272578A CN 112971209 A CN112971209 A CN 112971209A
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 165
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 330
- 238000012545 processing Methods 0.000 claims abstract description 33
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 8
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- 235000019504 cigarettes Nutrition 0.000 description 28
- 241000208125 Nicotiana Species 0.000 description 23
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 23
- YTBRNEUEFCNVHC-UHFFFAOYSA-N 4,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1 YTBRNEUEFCNVHC-UHFFFAOYSA-N 0.000 description 8
- 239000004505 smoke cartridge Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
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- 238000004891 communication Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
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- 239000003546 flue gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
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Abstract
The invention discloses an electronic cigarette control system, an electronic cigarette and an electronic cigarette control method, wherein the electronic cigarette control system comprises a power consumption obtaining unit and a processing module, the power consumption obtaining unit is used for obtaining the total power consumption accumulated by a heating device of the electronic cigarette from the first heating to the last heating, the processing module is used for comparing the accumulated total power consumption with a power consumption threshold value, and if the accumulated total power consumption is smaller than the power consumption threshold value, the heating device is controlled to be in a heating state; and if the accumulated total power consumption is larger than or equal to the power consumption threshold value, controlling the heating device to be in a state of being incapable of heating. The electronic cigarette control system can furthest exert the service life of the heating device, reduce the waste caused by discarding a large amount of disposable smoke cartridges, and avoid the generation of harmful substances caused by overuse.
Description
Technical Field
The invention relates to the field of electronic cigarettes, in particular to a cigarette control system, an electronic cigarette and an electronic cigarette control method.
Background
With the growing concern for health, people are aware that traditional cigarettes pose certain health risks, and therefore, a product called an "electronic cigarette" is produced. Compared with the traditional cigarette, the electronic cigarette meets the physiological requirements of users, and simultaneously avoids harmful substances such as tar, carbon monoxide and the like brought by the traditional cigarette.
The heated aerosol-forming substrate in an electronic cigarette comprises mainly tobacco tar and solid tobacco. The traditional electronic cigarette judges whether the tobacco tar is used up or not by visual inspection, and part of the electronic cigarette with the counting function can limit the use times of the cartridge so as to control the use period of the cartridge. However, countable electronic cigarette cartridges in the market are all in a pre-filling mode, the consumption of the cigarette oil is taken as the measurement basis, the conventional electronic cigarette pre-filling cigarette oil is generally not more than 2ml, and the electronic cigarette cartridges are discarded only by about 200 mouths. For the ceramic atomizing core which is continuously broken through at present, great waste exists.
Disclosure of Invention
The invention provides an electronic cigarette control system, which is used for solving the technical problem.
The electronic cigarette control system comprises a power consumption obtaining unit and a processing module, wherein the power consumption obtaining unit is used for obtaining the total power consumption accumulated by the heating device of the electronic cigarette from the first heating to the last heating, the processing module is used for comparing the accumulated total power consumption with a power consumption threshold value, and if the accumulated total power consumption is smaller than the power consumption threshold value, the heating device is controlled to be in a state capable of heating; and if the accumulated total power consumption is larger than or equal to the power consumption threshold value, controlling the heating device to be in a state of being incapable of heating.
Above-mentioned technical scheme can furthest's performance heating device's life, reduces the waste that abandons disposable cigarette bullet in a large number and produce, reduces consumer use cost, can avoid overuse again to cause harmful substance to produce.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control system, wherein the power consumption obtaining unit comprises a voltage detecting module and/or a current detecting module, a timing module and a power consumption calculating module, wherein,
the voltage detection module is used for detecting the voltage at two ends of a heating device in the electronic cigarette; the current detection module is used for detecting the current passing through the heating device; the timing module is used for detecting the heating time of the electronic cigarette;
when the power consumption obtaining unit comprises a voltage detection module, a current detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected voltage, current and heating time;
when the power consumption obtaining unit comprises a voltage detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected voltage, the heating time and the resistance of the heating device;
when the power consumption obtaining unit comprises a current detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected current, the heating time and the resistance of the heating device;
the power consumption obtaining unit obtains the total power consumption accumulated by the heating device according to the power consumption of the heating device.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control system, a power consumption calculation module is used for calculating the power consumed by a heating device when a user sucks each mouth, and a power obtaining unit further accumulates the power consumption of each mouth to obtain the accumulated total power consumption.
According to another specific implementation mode of the invention, the implementation mode of the invention discloses an electronic cigarette control system, the power consumption obtaining unit further comprises a power consumption storage module, the power consumption storage module is used for storing the total power consumption data accumulated when the heating device is heated for use, and the processing module is used for comparing the total power consumption data stored by the storage module with the power consumption threshold value.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control system, and the power consumption storage module is used for adding the total power consumption data generated last time with the obtained new power consumption data, generating and storing the finally accumulated total power consumption data, and deleting the total power consumption data generated last time.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control system, and the power consumption storage module is used for stopping updating of the total power consumption data when the accumulated total power consumption is greater than or equal to the power consumption threshold value.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control system, and if the accumulated total power consumption is greater than or equal to the power consumption threshold, the processing module controls to stop electrifying the heating device and lock the heating device.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control system, further comprising an identification module, configured to read an identification code of a heating device, control the heating device to be in an unheated state if the identification code read by the identification module is incorrect, and control the heating device to be in a state capable of heating if the identification code read by the identification module is correct.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control system, and the power consumption threshold is less than or equal to the power consumption of the heating device when the heating device reaches the service life.
The invention also provides an electronic cigarette comprising any one of the electronic cigarette control systems.
According to another specific embodiment of the invention, an electronic cigarette is disclosed, comprising a cartridge containing a heating device and a reservoir for storing an aerosol-forming substrate, which reservoir may have added thereto the aerosol-forming substrate or which reservoir is a separate replaceable component.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette, which further comprises a chip and/or a PCB circuit board.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette, wherein a chip is fixed on a cartridge, and the chip is provided with a power consumption storage module for storing the total power consumption data accumulated when a heating device is heated for use.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette, and the chip fixed on the cartridge is positioned outside the cartridge.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette, and the number of chips is multiple.
The invention also provides an electronic cigarette control method, which comprises the following steps: obtaining the total power consumption accumulated by the heating device of the electronic cigarette from the first heating to the last heating; comparing the accumulated total power consumption with a power consumption threshold, and controlling the heating device to be in a heating state if the accumulated total power consumption is smaller than the power consumption threshold; and if the accumulated total power consumption is larger than or equal to the power consumption threshold value, controlling the heating device to be in a state of being incapable of heating.
According to the electronic cigarette control method, the use of the heating device is limited by setting the power consumption threshold, the service life of the heating device is furthest played, and harmful substances generated by the heating device due to overuse are avoided.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control method, wherein obtaining total power consumption accumulated when a heating device of an electronic cigarette is heated and used includes: detecting the voltage at two ends of a heating device in the electronic cigarette, detecting the current passing through the heating device, detecting the heating time of the electronic cigarette, and calculating according to the detected voltage, current and heating time to obtain the power consumption of the heating device; or the like, or, alternatively,
detecting the voltage at two ends of a heating device in the electronic cigarette, detecting the heating time of the electronic cigarette, and calculating according to the detected voltage, the heating time and the resistance of the heating device to obtain the power consumption of the heating device; or the like, or, alternatively,
detecting the current passing through the heating device, detecting the heating time of the electronic cigarette, and calculating according to the detected current, the heating time and the resistance of the heating device to obtain the power consumption of the heating device;
and obtaining the total power consumption accumulated by the heating device according to the power consumption of the heating device.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control method, further including: and calculating the power consumed by the heating device under each suction of the user, and further accumulating the power consumption of each suction to obtain the accumulated total power consumption.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control method, further including: and storing the accumulated total power consumption data when the heating device is used for heating, and comparing the stored total power consumption data with a power consumption threshold value.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control method, which is characterized in that the total power consumption data generated in the previous time is added with the obtained new power consumption data to generate and store the finally accumulated total power consumption data, and the total power consumption data generated in the previous time is deleted.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control method, and when the accumulated total power consumption is greater than or equal to the power consumption threshold, the updating of the total power consumption data is stopped.
According to another specific embodiment of the present invention, an electronic cigarette control method is disclosed, wherein if the accumulated total power consumption is greater than or equal to a power consumption threshold, the control unit stops energizing the heating unit and locks the heating unit.
According to another specific embodiment of the present invention, an embodiment of the present invention discloses an electronic cigarette control method, further including: and reading the identification code of the heating device, controlling the heating device to be in a non-heatable state if the read identification code is incorrect, and controlling the heating device to be in a heatable state if the read identification code is correct.
According to another specific embodiment of the invention, the embodiment of the invention discloses an electronic cigarette control method, and the power consumption threshold is less than or equal to the power consumption of the heating device when the heating device reaches the service life.
According to another specific embodiment of the invention, the invention discloses an electronic cigarette control method, and the service life of the heating device is determined by one of the following modes:
(1) electrifying the heating device to work under the set voltage and current, and reaching the service life when the heating device can not stably output power;
(2) electrifying the heating device to work under the set voltage and current, and when the heating device generates coke paste, the service life is reached;
(3) and electrifying the heating device under the set voltage and current to work, measuring the component content of the smoke of the electronic cigarette, and if the harmful substances in the smoke of the electronic cigarette reach the highest limit standard, determining that the smoke reaches the service life.
Drawings
Figure 1 shows a schematic diagram of an electronic cigarette control system according to an embodiment of the invention;
figure 2 shows a schematic diagram of a tobacco rod portion circuit board of an electronic cigarette control system in accordance with an embodiment of the present invention;
fig. 3A shows a schematic structural diagram of an electronic cigarette in a first embodiment of the invention;
FIG. 3B shows a schematic view of a portion of the first embodiment of the invention including a cartridge;
FIG. 3C is a schematic view showing a disassembled structure of a portion of the cartridge according to the first embodiment of the present invention;
fig. 4A shows a schematic structural diagram of an electronic cigarette in a second embodiment of the invention;
FIG. 4B shows a schematic view of a portion of a second embodiment of the invention comprising a cartridge;
FIG. 4C is a disassembled view of the cartridge-containing portion of the second embodiment of the present invention;
fig. 5 is a flowchart illustrating an electronic cigarette control method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides an electronic cigarette control system which comprises a power consumption obtaining unit and a processing module, wherein the power consumption obtaining unit is used for obtaining the total power consumption accumulated by the heating device of an electronic cigarette from the first heating to the last heating. The accumulated total power consumption is the total energy consumed by the heating device in the electronic cigarette from the first time of use to the last time of use. The processing module is used for comparing the accumulated total power consumption with a power consumption threshold value, and controlling the heating device to be in a heating state if the accumulated total power consumption is smaller than the power consumption threshold value; and if the accumulated total power consumption is larger than or equal to the power consumption threshold, controlling the heating device to be in a state of being incapable of heating.
The heating device is a heat generating component for atomizing an aerosol generating substrate in an electronic cigarette, and for example, in an electronic cigarette for heating tobacco tar, the heating device is an atomizer. The power consumption threshold is a power consumption upper limit value, and may be a value set in advance, for example, a specific boundary value specified manually. In this embodiment, the limit value may be selected to be less than or equal to the power consumption value of the heating device when the heating device reaches the end of its service life. When the accumulated total power consumption is smaller than the power consumption threshold value, the heating device is in a heating-capable state, namely the electronic cigarette can also be controlled to electrify the heating device, and the heating device is in a state capable of being started, and the electronic cigarette can enable the heating device to generate heat after being started. When the accumulated total power consumption is greater than or equal to the power consumption threshold, the heating device is in a state of being incapable of heating, namely, the heating device can not perform atomization work any more. There are various ways for the processing module to control the heating device to be incapable of heating, for example, the heating device may be incapable of heating by controlling the electronic cigarette to be incapable of conducting power, or even if the electronic cigarette is powered but disconnected from the heating device, or the heating device itself is incapable of conducting power, or the heating device itself may be powered, but the processing module controls the heating device to be in a state of not generating heat. The heating device can not generate heat only by the control of the processing module after the total power consumption reaches the upper limit value.
In the conventional electronic cigarette with the counting function, when the number of suction openings of a user reaches a set value, a heating device in the electronic cigarette does not work any more, and at the moment, the user discards a cartridge containing the heating device in the electronic cigarette and replaces the cartridge with a new cartridge, so that the cartridge is prevented from being used beyond the limit. However, the amount of suction per puff varies from user to user and the consumption of the heating means also varies. Some people may need to pump 300 mouths to consume the tobacco tar, and some people may pump 200 mouths to consume the tobacco tar. Therefore, it is not accurate to first limit the life of the cartridge by the number of ports. For this reason, the existing upper limit of the number of the suction openings is generally conservative statistics, which means that when the upper limit of the number of the suction openings is reached, a user still has a lot of tobacco tar in the cartridge, and the cartridge is limited to be used again, resulting in a great waste.
The inventor of the present application has found that even when the tobacco tar in the cartridge is consumed, the heating device in the cartridge can still be used, for example, the service life of some ceramic atomizing cores can reach more than 2000 times of smoking, and the corresponding parameter influencing the service life of the heating device is the service power consumption of the heating device. When the energy consumed by the heating device reaches a certain value, the service life of the heating device can be reached. Before the heating device does not reach the life, the heating device can still continue to use in reality, and after the heating device reaches the life, if continue to use, easily make harmful substance produce in the electron cigarette flue gas, or in order to cause other safety problems.
According to the electronic cigarette control system, the energy consumed by the heating device is used as a measurement parameter of the service life of the cigarette cartridge, and even if the tobacco tar in the cigarette cartridge is used up, as long as the heating device can still be normally used, a user can continue to use the electronic cigarette control system in a mode of adding the tobacco tar by himself. When the consumed energy of the heating device reaches the upper limit, the heating device is controlled not to be used any more. Namely, the electronic cigarette control system can realize the maximum utilization of the heating device in the cigarette cartridge and can also avoid the risk of harmful substance suction caused by overuse of repeated use.
Further, the power consumption obtaining unit includes, for example: the electronic cigarette heating device comprises a voltage detection module, a current detection module, a timing module and a power consumption calculation module, wherein the voltage detection module is used for detecting voltages at two ends of a heating device in the electronic cigarette, the current detection module is used for detecting current passing through the heating device, the timing module is used for detecting heating time of the electronic cigarette, the power consumption calculation module is used for calculating power consumption of the heating device according to the detected voltage, current and heating time, and then the power consumption obtaining unit obtains total power consumption accumulated by the heating device according to the power consumption. The cumulative total power consumption is a superposition of the energy consumed by the user after multiple uses. Fig. 1 shows a control system of an electronic cigarette partially showing the present embodiment, which includes a current detection module, a voltage detection module, a timing module and a processing module, wherein the power consumption calculation module mentioned in the above embodiments may be provided separately, or may be integrated with the processing module in a circuit board, for example, the power consumption calculation module and the processing module are integrated in a processor. In addition, the power consumption calculating module, the processing module and other modules may also be integrated into one chip, and the invention is not limited herein. Fig. 1 shows a schematic diagram of an electronic cigarette control system, in which a display module may be used to display accumulated power consumption information, and may also display information such as whether a used cigarette cartridge is normal, whether charging is required, and a charging status. Figure 2 schematically illustrates a modular layout of the circuit boards in the cigarette rod. The current detection module, the voltage detection module, the timing module, the power consumption calculation module and the processing module are integrated in one PCB and are communicated with other PCBs or chips through communication interfaces.
In other embodiments, the power consumption obtaining unit may also include a voltage detecting module, a timing module, and a power consumption calculating module, and the calculation of the power consumption may be calculated according to the voltage, the resistance of the heating device, and the heating time. For example, if the resistance of the porous ceramic or the heating wire in the heating device is 3.2 Ω, the voltage across the heating device is 4.5V, and the heating time is 3s, the power consumption calculation formula in the time is (U)2/R)*t＝(4.523.2) × 3 ═ 18.98J. And the previous power consumption is added, so that the total power consumption of the current heating device is obtained.
In other embodiments, the power consumption obtaining unit may further include a current detecting module, a timing module, and a power consumption calculating module, and the calculation of the power consumption may be calculated according to the current, the resistance of the heating device, and the heating time. For example, if the current flowing through the heating device is 1.6A, the resistance of the heating cylinder in the heating device is 4 Ω, and the heating time is 2.5s, the calculation formula of the power consumption in the time is I2*R*t＝1.624 × 2.5 ═ 25.6J. And the previous power consumption is added, so that the total power consumption of the current heating device is obtained.
Further, the power consumption calculating module is used for calculating the power consumed by the heating device under each suction of the user, and the power obtaining unit further accumulates the power consumption of each suction to obtain the accumulated total power consumption.
In each of the above embodiments, the power consumption obtaining unit further includes a power consumption storage module, where the power consumption storage module is configured to store total power consumption data accumulated when the heating device is heated and used, the processing module is configured to compare the total power consumption data stored in the storage module with a power consumption threshold, and if the stored total power consumption data reaches the power consumption threshold, the instruction heating device cannot continue to operate, and the processing module controls the electronic cigarette not to be heated. When a new cigarette cartridge is replaced, namely a new heating device is replaced, the processing module judges that the total power consumption data at the moment does not reach the power consumption threshold value, and the electronic cigarette can be controlled to continue heating.
Each module in the power consumption obtaining unit may be integrated in one circuit board, or may be distributed in different circuit boards. For example, the power consumption calculating module and the power consumption storage module may be integrated in a PCB, or the power consumption storage module may be disposed in a chip, the chip is fixed on the cartridge, and the power consumption calculating module is disposed in a circuit board in the cigarette rod.
In each of the above embodiments, the power consumption storage module is configured to add the total power consumption data generated last time and the new power consumption data obtained through calculation, generate and store the final accumulated total power consumption data, and delete the total power consumption data generated last time. That is, the power consumption storage module deletes old data and retains only the newly accumulated power consumption data. In addition, when the accumulated total power consumption is greater than or equal to the power consumption threshold value, the power consumption storage module stops updating the total power consumption data. The power consumption storage module can be positioned on the cigarette cartridge, when the heating device reaches the service life, the power consumption storage module does not update data any more, the whole cigarette cartridge can be replaced, and correspondingly the new cigarette cartridge is provided with the power consumption storage module for recording the use power consumption data of the cigarette cartridge.
In each of the above embodiments, if the accumulated total power consumption is greater than or equal to the power consumption threshold, the processing module controls to stop energizing the heating device and to lock the heating device, thereby further strengthening the limitation on the use of the heating device.
In each of the above embodiments, the electronic cigarette control system further includes an identification module, configured to read an identification code of the heating device, and control the heating device to be in a non-heatable state if the identification code read by the identification module is incorrect, and control the heating device to be in a heatable state if the identification code read by the identification module is correct. The heating device will have an identification code and if the heating device is not part of the manufacturer, and is of a product to be protected from counterfeiting, the processing module will prevent the use of such a counterfeit heating device by identification by the identification module, such that it is in a non-heatable state, e.g. not energized or controlled so that electrical energy does not flow through the heating device. When the identification identity code on the heating device is identified successfully, the heating device belongs to a regular heating device of a manufacturer, and the processing module controls the heating device to be heated. Through encrypting heating device, set up the discernment identity code, the counterfeit product that can prevent to imitate and duplicate uses, also can avoid DIY player to explain by oneself, causes heating device overuse.
In the above embodiments, the ID code may be independent and non-repetitive, i.e. specific to each heating device, such that each heating device is equivalent to having a specific ID, and by identifying the independent and non-repetitive ID code, parameters and usage conditions are obtained that are also specific to the heating device.
In the above embodiments, the various modules may be located in different circuit boards respectively, or may be integrated into one circuit board. For example, the voltage detection module, the current detection module, the timing module, the identification module and the processing module may be integrated in a PCB, the power consumption calculation module and the power consumption storage module may be integrated in a chip, the chip may be fixedly connected to a cartridge equipped with a heating device, a power consumption threshold and an identification code may be written in the chip, and the chip may be electrically connected to the PCB. Along with the transfer of the cigarette cartridge, the identification identity code, the power consumption threshold value, the power consumption storage module and the power consumption calculation module are transferred along with the transfer of the cigarette cartridge. In other embodiments, the power consumption storage module may be incorporated into a chip on the cartridge, in which the power consumption threshold and the identification code are written. The voltage detection module, the current detection module, the timing module, the power consumption calculation module, the identification module and the processing module are integrated in a PCB circuit board of the cigarette rod.
In the above embodiments, a display module may be further included, configured to display current parameters and information of the electronic cigarette. The display module may be, for example, an LED display screen, an LCD display screen, an LED array, or the like. In addition, can also set up the pilot lamp on the tobacco rod, play prompt facility.
In the above embodiments, the voltage detection module is a voltage detection circuit, and can detect the voltage value through a resistor connected in parallel with the load and the voltage across the sampling circuit, or can directly install a finished product voltage sensor.
In the above embodiments, the current detection module is a current detection circuit, and can perform current value detection by sampling a current in a resistor through a resistor connected in series with the load group. A finished current sensor may also be installed.
In the above embodiments, the processing module is integrated into a processor, and the processor may be an electronic component such as an MCU or a CPU.
In the above embodiments, the timing module is a timer circuit, and can be implemented by a single chip microcomputer.
The invention also provides an electronic cigarette comprising the electronic cigarette control system in each embodiment.
As shown in fig. 3A to 3C and fig. 4A to 4C, the structure of an electronic cigarette including an electronic cigarette control system is exemplarily shown, which includes a suction nozzle 11, a cigarette rod 12, a battery 13 and a charging board 14 disposed inside the cigarette rod, and a PCB 15.
Figures 3A-3C show a first embodiment of an electronic cigarette, the cartridge having a cartridge housing 21 with a smoke channel 22 therein and a reservoir for an aerosol-forming substrate (e.g. tobacco tar), in this embodiment an oil-filled cavity 23, in which oil-filled cavity 23 the tobacco tar is stored. The heat-generating body 24 atomizes the tobacco tar from the oil filling chamber 23. When the tobacco tar is consumed, the tobacco tar can be repeatedly added into the oil filling cavity 23 and sealed by the oil cavity plug 25. The smoke cartridge is provided with a chip 27, for example, the chip 27 is provided with a power consumption storage module, the chip 27 writes a power consumption threshold value and an identification identity code belonging to the heating body 24, and establishes communication connection with the PCB 15, the PCB 15 calculates the detected voltage, current and time to obtain a power consumption value, then transmits the power consumption value information to the chip 27, and the power consumption storage module in the chip 27 accumulates the obtained latest power consumption value into the original power consumption value to obtain accumulated total power consumption, and stores the accumulated total power consumption in the chip 27. The electronic cigarette can be continuously used by adding tobacco tar until the heating body 24 reaches the service life, and when the accumulated power consumption counted on the chip 27 reaches the power consumption threshold, the processing module on the PCB 15 controls the electronic cigarette to be in a state that the electronic cigarette cannot be heated. And then replacing the cigarette cartridge, and when the electronic cigarette control system detects that the power consumption of the new heating body 24 does not reach the power consumption threshold value of the heating body 24, controlling the electronic cigarette to be in a heating state by the processing module.
Fig. 4A to 4C show a second embodiment of an electronic cigarette, in which the cartridge has a cartridge housing 21 with a smoke channel 22 inside, but the difference is that the reservoir of this embodiment is a separate replaceable part, for example, the reservoir of this embodiment has an integrally replaceable oil bottle 26, which is inserted into an oil filling chamber 23. The smoke cartridge is provided with a chip 27, for example, the chip 27 is provided with a power consumption storage module, the chip 27 writes a power consumption threshold value and an identification identity code belonging to the heating body 24 and establishes communication connection with the PCB 15, the PCB 15 calculates voltage, current and time information obtained by detection to obtain a power consumption value and transmits the power consumption value to the chip 27, and the power consumption storage module in the chip 27 accumulates the obtained latest power consumption value into the original power consumption value to obtain accumulated total power consumption and stores the accumulated total power consumption into the chip 27. After the tobacco tar is consumed, the old oil bottle 26 in the cartridge can be taken out to replace a new oil bottle 26, so that the cartridge can be continuously used until the heating body 24 reaches the service life, the accumulated power consumption counted on the chip 27 reaches the power consumption threshold, and the processing module on the PCB 15 can control the electronic cigarette to be in a state that the electronic cigarette cannot be heated. And then replacing the whole cigarette cartridge, and controlling the electronic cigarette to be in a heating state by the processing module when the electronic cigarette control system detects that the power consumption of the new heating body 24 does not reach the power consumption threshold value of the heating body 24.
Set up the chip on the cigarette bullet, compare in PCB circuit board, the volume is littleer, and the chip contact is circular telegram promptly, and signal transmission is comparatively convenient. The chip at least comprises the power consumption storage module, and after the smoke cartridge is transferred, the consumed energy of the device is still counted in the chip and can be obtained.
In addition, in the electronic cigarette according to each of the above embodiments, the chip 27 located on the cartridge is fixed to the outside of the cartridge, for example, provided on the outer surface of the cartridge. When the chip is installed outside the smoke cartridge, the chip is an independent installation structure and is not connected with the inside of the smoke cartridge through a circuit and the structure. The device is more convenient, saves the internal volume of the smoke cartridge, can avoid the corrosion of tobacco tar, water vapor and the like to electronic components, and ensures the stable product quality. . The chip 27 of this embodiment is disposed on the outer surface of the bottom of the cartridge housing and is electrically connected to the tobacco rod 12.
Further, the chip may be one or more. When the electronic cigarette needs a chip with a large storage space, a plurality of chips with small storage spaces can be arranged to meet the storage requirement. This is because a plurality of chips with small storage capacity sometimes costs less than one chip with large storage capacity. When there are a plurality of chips, the chip sequence can be read by the PCB 15, and then the data priority is defined according to the chip sorting information. The measurement limit of the chip is a set energy value, and the number of times of unfixed times is set according to the service life of the heating element 14. In addition, the chip write setting has a lock-up function, and cannot be edited and secondarily developed after being shipped. The chip is mounted on the cartridge, and after the chip is mounted in place, the electrode of the heating body 14 and the chip contact are in a connected state at the same time. Further, contact channels may be reserved on the chip.
At least one data channel is arranged in the chip, more than one data channel can be arranged, and the data channels have a sequence when being written or read. Each data channel may perform a count, which may be zero followed by termination of circuit activation or entry into the next channel count.
Referring to fig. 5, the present invention further provides an electronic cigarette control method, including the following steps: obtaining the total power consumption accumulated by the heating device of the electronic cigarette from the first heating to the last heating; comparing the accumulated total power consumption with a power consumption threshold, and controlling the heating device to be in a heating state if the accumulated total power consumption is smaller than the power consumption threshold; and if the accumulated total power consumption is larger than or equal to the power consumption threshold value, controlling the heating device to be in a state of being incapable of heating.
The heating device at least comprises a device capable of generating heat, such as a heating wire, a heating column and an atomizer. Is a device for heating an aerosol-forming substrate (e.g. tobacco tar or solid tobacco) to generate smoke in an electronic cigarette.
As described above, the power consumption threshold is the power consumption upper limit value, and may be a value set in advance, for example, a specific boundary value specified manually. In this embodiment, the limit value may be selected to be less than or equal to the power consumption value of the heating device when the heating device reaches the end of its service life. When the accumulated total power consumption is smaller than the power consumption threshold value, the heating device is in a heating-capable state, namely the electronic cigarette can also be controlled to electrify the heating device, and the heating device is in a state capable of being started, and the electronic cigarette can enable the heating device to generate heat after being started. When the accumulated total power consumption is greater than or equal to the power consumption threshold, the heating device is in a state of being incapable of heating, namely, the heating device can not perform atomization work any more.
For example, the heating device may be disabled to heat by controlling the electronic cigarette to be disabled to energize, or the electronic cigarette may be powered but disconnected from the heating device, or the heating device itself may not be powered, or the heating device itself may be powered but may be controlled to be in a state of not generating heat. It is sufficient that the heating device is controlled not to generate heat after the total power consumption reaches the upper limit value.
Further, obtaining the total power consumption accumulated when the heating device of the electronic cigarette is used for heating comprises: detecting the voltage at two ends of a heating device in the electronic cigarette, detecting the current passing through the heating device, detecting the heating time of the electronic cigarette, and calculating the power consumption of the heating device according to the detected voltage, current and heating time. In other embodiments, power consumption may also be obtained by voltage, resistance, and time. For example, the voltage at two ends of a heating device in the electronic cigarette is detected, the time for heating the electronic cigarette is detected, and the power consumption of the heating device is calculated and obtained according to the detected voltage, the time for heating and the resistance of the heating device. Or, the current passing through the heating device is detected, the time for heating the electronic cigarette is detected, and the power consumption of the heating device is calculated and obtained according to the detected current, the time for heating and the resistance of the heating device. And then, obtaining the total power consumption accumulated by the heating device according to the power consumption of the heating device each time.
The power consumption of the electronic cigarette at each time can be calculated by taking the power consumption of each mouth of the user for suction as a calculation unit, and then accumulated to obtain the accumulated total power consumption. Namely, the power consumed by the heating device when each port of the user sucks is calculated, and then the power consumption of each port is accumulated to obtain the accumulated total power consumption.
In the control method according to each of the above embodiments, the total power consumption data accumulated when the heating device is used for heating is stored, the stored total power consumption data is compared with the power consumption threshold, and whether the heating device can perform heating is controlled based on the comparison result.
In the aspect of data storage, the total power consumption data generated last time is added with the new power consumption data obtained through calculation, the finally accumulated total power consumption data is generated and stored, and the total power consumption data generated last time is deleted. In the embodiment of the electronic cigarette, the chip deletes the old data and records only the latest total power consumption data.
Specifically, when the accumulated total power consumption is greater than or equal to the power consumption threshold, the update of the total power consumption data is stopped. If the accumulated total power consumption is greater than or equal to the power consumption threshold, the control unit stops energizing the heating unit and locks the heating unit.
In the control method of each of the above embodiments, the method further includes: and reading the identification code of the heating device, controlling the heating device to be in a non-heatable state if the read identification code is incorrect, and controlling the heating device to be in a heatable state if the read identification code is correct. So can prevent the counterfeit product use of imitation and duplication, also can avoid DIY player to explain by oneself, cause heating device overuse.
The control method of the present invention will be described below using specific data and with a specific structure, but the present invention is not limited thereto.
The battery discharge output current is A, the real-time voltage at the two ends of the heating device is V, and the discharge time is T.
The voltage and current for the general electronic cigarette to be heated by electrification are stable, so the word energy output value is as follows: and A V T, the accumulated output is as follows: a1 × V1 × T1+ a2 × V2 × T2+ A3 × V3 × T3+. + An × Vn × Tn. When the integrated value is added to a A0V 0T 0, it is determined that the metering is terminated and the discharge is not continued. A, V, T can be set to be non-constant value, and the value generated each time A V T can be constant value or variable value, and is controlled by chip or PCB to perform accumulation measurement.
The control of whether the heating device is in a heatable state can employ one of two logics:
accumulation count logic one: the chip sets up the power consumption threshold value, and PCB circuit board output is write in and is accumulated, stops the cigarette bullet to use after reaching the power consumption threshold value.
And accumulating the count logic two: the number of times is counted by the chip, the PCB is provided with a power consumption threshold value for accumulation, after the power consumption threshold value is reached, the chip responds and does not count for the next time, and the service life of the smoke bomb is reached.
The method for calculating the accumulated power consumption of the current heating device comprises the following steps: and P T, calculating a power consumption reference value by multiplying the instant power by the power-on time, and taking the power consumption reference value as a power consumption threshold value. If the test voltage is 4.2V, the resistance value is 2.5 omega, and when the service life is reached, the accumulated power-on time is 200min, the current accumulated power consumption can be calculated as follows: (4.2 × 4.2/2.5) × 6000s, yielding the power consumption reference value: 42336. then, the power consumption threshold of this type of heating device may be set to 42336. The power consumption threshold may be set to the above power consumption reference value, but may not be exceeded.
The calculation method of the power consumption accumulation is single calculation, for example:
1 st port: (4.2 × 4.2/2.5) × 5s ═ 35.28
And a2 nd port: (4.2 × 4.2/2.5) × 3s ═ 21.17
And port 3: (4.2 × 4.2/2.5) × 4s ═ 28.23
And so on.
After the first suction, generating a power consumption reference value of 38.25 and writing the power consumption reference value into the smoke bomb chip, and after the second suction, accumulating the generated power consumption reference value and the written data, wherein the written value is 56.54; the third port pumping is complete and a value of 84.68 is written, and so on.
When writing data, adding the newly generated single data and the recorded final accumulated data to generate new final accumulated data, and writing the new final accumulated data into the chip after deleting the old data. The data ultimately stored on the chip is the sum of the data generated by all previous puffs after the last puff. When this data exceeds 42336, the heating device cannot be energized again, and is locked, and the heating device cannot be used continuously.
The service life of the heating device is determined according to different materials, types, resistance values and the like of the selected heating device, so that different expected service lives exist. The heating device may be a porous ceramic, hydroxyapatite, sintered metal powder, or woven metal wire felt. The resistance value is between 0.2 omega and 5.0 omega. Or may be a pre-embedded metal wire such as nichrome, nickel, stainless steel, etc.; or may be a printed circuit; or a corroded metal mesh sheet with lines.
The service life of the heating device is determined by measuring, and the heating device is electrified to work under a preset voltage, so that the heating device cannot stably output power, or scorching substances are generated at the heating part of the heating device, namely the service life is reached.
The method can also be used for testing the smoke of the electronic cigarette, and the highest limited standard of harmful substances (carbon monoxide, heavy metals, carbonyl compounds and the like) in the smoke of the electronic cigarette is reached, namely the service life is reached. I.e. scrapped once the defined criteria are exceeded.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (25)
1. The electronic cigarette control system is characterized by comprising a power consumption obtaining unit and a processing module, wherein the power consumption obtaining unit is used for obtaining the total power consumption accumulated by a heating device of an electronic cigarette from the first heating to the last heating, the processing module is used for comparing the accumulated total power consumption with a power consumption threshold value, and if the accumulated total power consumption is smaller than the power consumption threshold value, the heating device is controlled to be in a heating state; and if the accumulated total power consumption is larger than or equal to the power consumption threshold, controlling the heating device to be in a state of being incapable of heating.
2. The electronic cigarette control system of claim 1, wherein the power consumption obtaining unit includes a voltage detection module and/or a current detection module, further includes a timing module and a power consumption calculation module, wherein,
the voltage detection module is used for detecting the voltage at two ends of a heating device in the electronic cigarette; the current detection module is used for detecting the current passing through the heating device; the timing module is used for detecting the heating time of the electronic cigarette;
when the power consumption obtaining unit comprises a voltage detection module, a current detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected voltage, current and heating time;
when the power consumption obtaining unit comprises a voltage detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected voltage, the heating time and the resistance of the heating device;
when the power consumption obtaining unit comprises a current detection module, a timing module and a power consumption calculation module, the power consumption calculation module is used for calculating and obtaining the power consumption of the heating device according to the detected current, the heating time and the resistance of the heating device;
the power consumption obtaining unit obtains the total power consumption accumulated by the heating device according to the power consumption of the heating device.
3. The electronic cigarette control system of claim 2, wherein the power consumption calculating module is configured to calculate power consumed by the heating device per puff of the user, and the power obtaining unit further accumulates power consumption of each puff to obtain an accumulated total power consumption.
4. The electronic cigarette control system of claim 1, wherein the power consumption obtaining unit further comprises a power consumption storage module, the power consumption storage module is configured to store total power consumption data accumulated when the heating device is heated for use, and the processing module is configured to compare the total power consumption data stored in the storage module with the power consumption threshold.
5. The electronic cigarette control system of claim 4, wherein the power consumption storage module is configured to add previously generated total power consumption data to the obtained new power consumption data, generate and store final accumulated total power consumption data, and delete the previously generated total power consumption data.
6. The electronic cigarette control system of claim 4, wherein the power consumption storage module is to stop updating of the total power consumption data when the accumulated total power consumption is greater than or equal to the power consumption threshold.
7. The electronic cigarette control system of claim 1, wherein the processing module controls to stop energizing the heating device and to lock the heating device if the accumulated total power consumption is greater than or equal to the power consumption threshold.
8. The electronic cigarette control system of claim 1, further comprising an identification module configured to read an identification code of the heating device, wherein the heating device is controlled to be in an unhearable state if the identification code read by the identification module is incorrect, and wherein the heating device is controlled to be in a heatable state if the identification code read by the identification module is correct.
9. The electronic cigarette control system of any of claims 1-8, wherein the power consumption threshold is less than or equal to a power consumption by the heating device for a useful life.
10. An electronic cigarette comprising the electronic cigarette control system according to any one of claims 1 to 9.
11. The electronic cigarette of claim 10, comprising a cartridge containing the heating device and a reservoir for aerosol-forming substrate, the reservoir being addable to aerosol-forming substrate therein or being a separate replaceable component.
12. The electronic cigarette of claim 11, further comprising a chip and/or a PCB circuit board.
13. The electronic cigarette of claim 12, wherein the cartridge has the chip secured thereto, the chip having a power consumption storage module for storing data on total power consumption accumulated by the heating device when heated for use.
14. The electronic cigarette of claim 13, wherein the chip is located outside of the cartridge.
15. The electronic cigarette according to claim 13 or 14, wherein the chip is plural.
16. An electronic cigarette control method is characterized by comprising the following steps:
obtaining the total power consumption accumulated by the heating device of the electronic cigarette from the first heating to the last heating;
comparing the accumulated total power consumption with a power consumption threshold, and controlling the heating device to be in a heating state if the accumulated total power consumption is smaller than the power consumption threshold; and if the accumulated total power consumption is larger than or equal to the power consumption threshold, controlling the heating device to be in a state of being incapable of heating.
17. The electronic cigarette control method of claim 16, wherein obtaining the total power consumption accumulated while the heating device of the electronic cigarette is in heating use comprises:
detecting the voltage at two ends of a heating device in the electronic cigarette, detecting the current passing through the heating device, detecting the heating time of the electronic cigarette, and calculating the power consumption of the heating device according to the detected voltage, current and heating time; or the like, or, alternatively,
detecting voltages at two ends of a heating device in the electronic cigarette, detecting the heating time of the electronic cigarette, and calculating according to the detected voltages, the heating time and the resistance of the heating device to obtain the power consumption of the heating device; or the like, or, alternatively,
detecting the current passing through the heating device, detecting the heating time of the electronic cigarette, and calculating according to the detected current, the heating time and the resistance of the heating device to obtain the power consumption of the heating device;
and obtaining the total power consumption accumulated by the heating device according to the power consumption of the heating device.
18. The electronic cigarette control method of claim 17, further comprising: and calculating the power consumed by the heating device when each port of the user sucks, and further accumulating the power consumption of each port to obtain the accumulated total power consumption.
19. The electronic cigarette control method of claim 16, further comprising: and storing the total power consumption data accumulated when the heating device is used for heating, and comparing the stored total power consumption data with the power consumption threshold value.
20. The electronic cigarette control method of claim 19, wherein the previously generated total power consumption data is added to the new power consumption data obtained by calculation, the finally accumulated total power consumption data is generated and stored, and the previously generated total power consumption data is deleted.
21. The electronic cigarette control method of claim 19, wherein the updating of the total power consumption data is stopped when the accumulated total power consumption is greater than or equal to the power consumption threshold.
22. The electronic cigarette control method of claim 16, wherein if the accumulated total power consumption is greater than or equal to the power consumption threshold, controlling stops energizing the heating device and locks the heating device.
23. The electronic cigarette control method of claim 16, further comprising: reading the identification code of the heating device, controlling the heating device to be in a non-heatable state if the read identification code is incorrect, and controlling the heating device to be in a heatable state if the read identification code is correct.
24. The electronic cigarette control method of any of claims 16-23, wherein the power consumption threshold is less than or equal to the power consumption of the heating device over the life of the heating device.
25. The electronic cigarette control method of claim 24, wherein the lifetime of the heating device is determined by one of:
(1) electrifying the heating device to work under the set voltage and current, and when the heating device cannot stably output power, namely the service life is reached;
(2) electrifying the heating device to work under the set voltage and current, and when the heating device generates coke paste, the service life is reached;
(3) and electrifying the heating device under the set voltage and current to work, measuring the component content of the smoke of the electronic cigarette, and if the harmful substances in the smoke of the electronic cigarette reach the highest limit standard, determining that the smoke reaches the service life.
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