CN114903216A - Electronic atomization device and microwave control method thereof - Google Patents
Electronic atomization device and microwave control method thereof Download PDFInfo
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- CN114903216A CN114903216A CN202110175739.6A CN202110175739A CN114903216A CN 114903216 A CN114903216 A CN 114903216A CN 202110175739 A CN202110175739 A CN 202110175739A CN 114903216 A CN114903216 A CN 114903216A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
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Abstract
The invention relates to an electronic atomization device and a microwave control method thereof. The electronic atomization device comprises: an aerosol-generating substrate; a microwave generating circuit for generating microwaves at a preset microwave frequency; a microwave transmitting antenna for transmitting microwaves; the feedback acquisition circuit is used for acquiring a feedback signal corresponding to a preset microwave frequency microwave transmitted by the microwave transmitting antenna; the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit; the microwave control circuit is used for determining a preset microwave frequency, controlling the microwave generating circuit to generate microwaves according to the preset microwave frequency, and selecting the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal. The invention uses microwave to directly heat the aerosol generating substrate, and adjusts the microwave emission frequency through frequency sweeping, thereby having high heating efficiency and prolonging the service life of equipment.
Description
Technical Field
The invention relates to the field of aerosol generating devices, in particular to an electronic atomization device adopting microwave heating and a microwave control method thereof.
Background
The existing aerosol generating device uses a current heating sheet, and the heating sheet directly heats an aerosol generating substrate after heating, so that aerosol is generated. Heating plate and aerosol generation matrix direct contact in this kind of heating methods, aerosol can produce the residue on the heating plate at high temperature atomization process, and is difficult clean, and long-term accumulation can influence the heating efficiency of heating plate, and then reduces aerosol and produce device's life, and user experience is not good.
Disclosure of Invention
The present invention provides an electronic atomization device and a microwave control method thereof, which address the above-mentioned shortcomings in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows: configuring an electronic atomizing device for heating an atomized aerosol-generating substrate, comprising:
an aerosol-generating substrate, the aerosol-generating substrate being held by the aerosol-generating chamber;
the microwave generating circuit is used for generating microwaves according to a preset microwave frequency;
a microwave transmitting antenna connected with the microwave generating circuit, which transmits microwaves in a sweep frequency within a preset microwave frequency range, and is used for transmitting microwaves to the atomizing cavity to heat the aerosol generating substrate;
the feedback acquisition circuit is used for acquiring a feedback signal corresponding to the preset microwave frequency microwave transmitted by the microwave transmitting antenna; and
the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit; the microwave control circuit is used for determining the preset microwave frequency, controlling the microwave generating circuit to generate microwaves according to the preset microwave frequency, and selecting the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal.
Further, in the electronic atomization device of the present invention, the feedback signal is a feedback current value, and the feedback acquisition circuit is a current acquisition circuit; or
The feedback signal is a feedback voltage value, and the feedback acquisition circuit is a voltage acquisition circuit; or
The feedback signal is a feedback capacitance value, and the feedback acquisition circuit is a capacitance acquisition circuit; or
The feedback signal is a feedback temperature value, and the feedback acquisition circuit is a temperature acquisition circuit.
Further, in the electronic atomization device of the present invention, the feedback signal is reverse microwave power, and the feedback acquisition circuit is a microwave reverse power detector.
Further, in the electronic atomization device of the present invention, the microwave reverse power detector is configured to detect reverse microwave power received by the microwave transmitting antenna.
Furthermore, the electronic atomization device also comprises a microwave forward power detector connected with the microwave control circuit, wherein the microwave forward power detector is used for collecting microwave emission power.
Furthermore, the electronic atomization device also comprises a power amplifier, wherein the output end of the microwave generation circuit is connected with the first input end of the power amplifier, and the output end of the power amplifier is connected with the microwave transmitting antenna; the microwave control circuit is connected with the power amplifier and adjusts the power amplifier according to the feedback signal.
Furthermore, the electronic atomization device also comprises a power regulator, the microwave control circuit is connected with the input end of the power regulator, the output end of the power regulator is connected with the second input end of the power amplifier, and the microwave control circuit adjusts the power regulator according to the feedback signal.
In addition, the present invention also provides a heat non-combustion electronic atomization device, comprising:
an aerosol-generating substrate, the aerosol-generating substrate being held by the aerosol-generating chamber;
the circuit board comprises a microwave generating circuit, a feedback acquisition circuit and a microwave control circuit; the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit; the microwave generating circuit is used for generating microwaves according to a preset microwave frequency;
a microwave transmitting antenna connected with the microwave generating circuit, which transmits microwaves in a sweep frequency within a preset microwave frequency range, and is used for transmitting microwaves to the atomizing cavity to heat the aerosol generating substrate;
the feedback acquisition circuit acquires a feedback signal corresponding to the preset microwave frequency microwave transmitted by the microwave transmitting antenna; the microwave control circuit is used for determining the preset microwave frequency, controlling the microwave generating circuit to generate microwaves according to the preset microwave frequency, and selecting the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal.
Further, in the non-combustion heating electronic atomizer, the feedback signal is a feedback current value, and the feedback acquisition circuit is a current acquisition circuit; or
The feedback signal is a feedback voltage value, and the feedback acquisition circuit is a voltage acquisition circuit; or
The feedback signal is a feedback capacitance value, and the feedback acquisition circuit is a capacitance acquisition circuit; or
The feedback signal is a feedback temperature value, and the feedback acquisition circuit is a temperature acquisition circuit.
Further, in the heating non-combustion electronic atomizer of the present invention, the feedback signal is reverse microwave power, and the feedback acquisition circuit is a microwave reverse power detector.
Further, in the heating non-combustion electronic atomization device, the microwave reverse power detector is used for detecting the reverse microwave power received by the microwave transmitting antenna.
Further, the non-combustible heating electronic atomization device also comprises a microwave forward power detector connected with the microwave control circuit, wherein the microwave forward power detector is used for collecting microwave emission power.
Furthermore, the heating non-combustion electronic atomization device also comprises a power amplifier, wherein the output end of the microwave generation circuit is connected with the first input end of the power amplifier, and the output end of the power amplifier is connected with the microwave transmitting antenna; the microwave control circuit is connected with the power amplifier and adjusts the power amplifier according to the feedback signal.
Furthermore, the heating non-combustion electronic atomization device further comprises a power regulator, the microwave control circuit is connected with the input end of the power regulator, the output end of the power regulator is connected with the second input end of the power amplifier, and the microwave control circuit adjusts the power regulator according to the feedback signal.
Furthermore, the non-combustible heating electronic atomization device also comprises a microwave gathering device, wherein a microwave transmitting antenna is positioned in the microwave gathering device, and the microwave gathering device is used for gathering at least part of microwaves transmitted by the microwave transmitting antenna to the atomization cavity.
Further, in the non-combustion heating electronic atomizer according to the present invention, the inner layer of the microwave collecting means is a microwave reflecting layer.
Further, in the non-combustion heating electronic atomization device, the outer layer of the microwave gathering device is a microwave shielding layer.
In addition, the invention also provides a microwave control method, which is applied to the electronic atomization device and comprises the following steps:
s1, controlling the microwave generating circuit to generate microwaves by the microwave control circuit, and enabling the microwave transmitting antenna to sweep and transmit microwaves within a preset microwave frequency range, wherein the microwaves are used for heating the aerosol generating substrate in the atomizing cavity;
s2, a feedback acquisition circuit acquires a feedback signal corresponding to the microwave and sends the feedback signal to the microwave control circuit;
and S3, after the sweep frequency emission microwave is finished, the microwave control circuit selects the microwave emission frequency according to the feedback signal.
Further, in the microwave control method according to the present invention, the step S3 in which the microwave control circuit selects a microwave transmitting frequency according to the feedback signal includes: and the microwave control circuit selects microwave transmitting frequency and microwave transmitting power according to the feedback signal.
Further, in the microwave control method of the present invention, in step S2, the feedback signal is reverse microwave power;
in step S3, the selecting, by the microwave control circuit according to the feedback signal, a microwave transmitting frequency includes: and the microwave control circuit selects the microwave transmitting frequency corresponding to the minimum value of the reverse microwave power.
Further, in the microwave control method according to the present invention, before the step S1, the method further includes:
s101, the microwave control circuit receives a microwave frequency selection instruction; or
S102, the microwave control circuit receives an aerosol generating substrate installation finishing instruction; or
S103, the microwave control circuit receives a pumping instruction; or
And S104, presetting pumping time at intervals by the microwave control circuit.
The electronic atomization device and the microwave control method thereof have the following beneficial effects: the invention directly heats aerosol generating substrate by using microwave, adjusts microwave emission frequency by frequency sweeping, has high heating efficiency and prolongs the service life of equipment.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a schematic structural diagram of an electronic atomization device according to an embodiment;
fig. 2 is a schematic structural diagram of an electronic atomization device according to an embodiment;
fig. 3 is a schematic structural diagram of an electronic atomization device according to an embodiment;
fig. 4 is a schematic structural diagram of an electronic atomization device according to an embodiment;
fig. 5 is a schematic structural diagram of an electronic atomization device according to an embodiment;
FIG. 6 is a schematic structural view of a non-combustion heating electronic atomizer according to another embodiment;
FIG. 7 is a schematic structural view of a non-combustion heating electronic atomizer according to another embodiment;
fig. 8 is a flowchart of a microwave control method according to another embodiment.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
In a preferred embodiment, and with reference to figure 1, the electronic atomising device of this embodiment is used to heat atomise an aerosol-generating substrate which may be solid tobacco, liquid tobacco oil or the like. The electronic atomization device comprises an atomization cavity, a microwave control circuit, a microwave generating circuit, a microwave transmitting antenna and a feedback acquisition circuit, wherein the atomization cavity is used for accommodating aerosol generating substrates; the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit, and the microwave generating circuit is connected with the microwave transmitting antenna.
The working process of the electronic atomization device is as follows: the microwave control circuit determines a preset microwave frequency and controls the microwave generating circuit to generate microwaves according to the preset microwave frequency. The microwave transmitting antenna sweeps the emitted microwaves over a predetermined microwave frequency range, at least a portion of the microwaves being focused in the nebulizing chamber to heat the aerosol-generating substrate. It should be noted that, the microwave transmitting antenna emits the microwave within the preset microwave frequency range by sweeping through the microwave control circuit, and the microwave control circuit determines the preset microwave frequency within the preset microwave frequency range by sweeping, for example, gradually increasing the frequency from the minimum frequency of the preset microwave frequency range to the maximum frequency of the preset microwave frequency range, or gradually increasing the frequency from the minimum frequency of the preset microwave frequency range to the maximum frequency of the preset microwave frequency range according to the preset frequency interval, or gradually decreasing the frequency from the maximum frequency of the preset microwave frequency range to the minimum frequency of the preset microwave frequency range according to the preset frequency interval. For another example, the preset microwave frequency range includes at least two preset microwave frequency points, and each preset microwave frequency point is sequentially transmitted to the microwave generating circuit according to a preset sequence.
Further, the feedback acquisition circuit acquires a feedback signal corresponding to the microwave with the preset microwave frequency transmitted by the microwave transmitting antenna after the microwave transmitting antenna transmits the microwave, and transmits the feedback signal to the microwave control circuit, and the microwave control circuit selects the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal, namely selects the proper microwave transmitting frequency to enable the aerosol generating substrate in the atomizing cavity to reach the optimal atomizing state. Alternatively, the microwave emission frequency at which the aerosol-generating substrate absorbs the most is selected as the optimum microwave emission frequency at which the electronic atomising device emits microwaves until the next microwave frequency sweep.
In the embodiment, the aerosol generating substrate is directly heated by microwaves, the microwave emission frequency is adjusted by frequency sweeping, the heating efficiency is high, and the service life of equipment is prolonged.
In the electronic atomization device of an embodiment, the feedback signal is a feedback current value, the feedback acquisition circuit is a current acquisition circuit, and the current acquisition circuit takes an induced current value generated by the target object under the action of the microwave as the feedback current value.
In the electronic atomization device of an embodiment, the feedback signal is a feedback voltage value, the feedback acquisition circuit is a voltage acquisition circuit, and the voltage acquisition circuit takes an induced voltage value generated by the target object under the action of the microwave as the feedback voltage value.
In an embodiment of the electronic atomization apparatus, the feedback signal is a feedback capacitance value, the feedback acquisition circuit is a capacitance acquisition circuit, and the capacitance acquisition circuit uses an induction capacitance value generated by the target object under the microwave action as the feedback capacitance value.
In the electronic atomization device of an embodiment, the feedback signal is a feedback temperature value, the feedback acquisition circuit is a temperature acquisition circuit, and the temperature acquisition circuit acquires a temperature value of the target object under the microwave action. Alternatively, the target object may be an aerosol-generating substrate, and the temperature acquisition circuit acquires a temperature value of the aerosol-generating substrate under the action of microwaves.
In an embodiment of the electronic atomizer, referring to fig. 2, the feedback signal is reverse microwave power, and the feedback acquisition circuit is a microwave reverse power detector. After microwave emission, not all of the microwaves are absorbed by the aerosol-generating substrate and some of the unabsorbed microwaves are detected by the reverse microwave power, resulting in reverse microwave power. Alternatively, the microwave transmitting antenna serves as a receiving end for non-absorbed microwaves, the microwave reverse power detector detects reverse microwave power received by the microwave transmitting antenna, the microwave transmitting antenna absorbs a portion of microwaves not absorbed by the aerosol-generating substrate, and the microwave reverse power detector detects power of the microwaves absorbed by the microwave transmitting antenna to obtain reverse microwave power. Further, after the reverse microwave power is obtained, the microwave control circuit selects an optimal microwave transmitting frequency according to the reverse microwave power, for example, the microwave control circuit selects a microwave transmitting frequency corresponding to the minimum value of the reverse microwave power, or the microwave control circuit selects a microwave transmitting frequency in a range near the microwave transmitting frequency corresponding to the minimum value of the reverse microwave power.
In an electronic atomization apparatus according to an embodiment, referring to fig. 3, the electronic atomization apparatus according to this embodiment further includes a microwave forward power detector connected to the microwave control circuit, where the microwave forward power detector is configured to collect microwave emission power. The microwave control circuit may select an optimal microwave transmitting frequency according to the microwave transmitting power and the reverse microwave power, for example, select the optimal microwave transmitting frequency according to a ratio of the reverse microwave power to the microwave transmitting power, and select a corresponding microwave transmitting frequency when the ratio of the reverse microwave power to the microwave transmitting power is minimum.
In an electronic atomization apparatus of an embodiment, referring to fig. 4, the electronic atomization apparatus of this embodiment further includes a power amplifier, an output end of the microwave generation circuit is connected to a first input end of the power amplifier, and an output end of the power amplifier is connected to the microwave transmitting antenna; the microwave control circuit is connected with the power amplifier and adjusts the power amplifier according to the feedback signal. It will be appreciated that the microwave control circuit may control the amplification of the power amplifier.
In an electronic atomizer according to an embodiment, referring to fig. 5, the electronic atomizer further includes a power regulator, the microwave control circuit is connected to an input terminal of the power regulator, an output terminal of the power regulator is connected to the second input terminal of the power amplifier, and the microwave control circuit adjusts the power regulator according to the feedback signal. It will be appreciated that the power amplifier and the power regulator may be two separate electronic components or may be an integrated electronic component that performs both the functions of the power amplifier and the power regulator. Alternatively, the microwave control circuit simultaneously adjusts the power amplifier and the power regulator according to the feedback signal, so as to realize the transmission power adjustment in a larger microwave range.
In a preferred embodiment, the electronic atomization device of the present embodiment is a heat nonflammable electronic atomization device. Referring to fig. 6 and 7, in this embodiment, the heat non-combustible electronic atomizing device comprises an aerosol-generating substrate 10, a substrate holder 20, an atomizing chamber 30, a microwave transmitting antenna 40, a circuit board 50, a power supply battery 60 and a housing 70, wherein the substrate holder 20 is used for placing and holding the aerosol-generating substrate 10, the microwave generating circuit, the feedback collecting circuit and the microwave control circuit are integrated on the circuit board 50, the power supply battery 60 is used for supplying power to the heat non-combustible electronic atomizing device, and the circuit board 50 and the power supply battery 60 are located within the housing 70. It is understood that the substrate holder 20 is made of a material that is transparent to microwaves so as to prevent the microwaves from being absorbed. The microwave transmitting antenna 40 has various installation positions, and this embodiment is illustrated by way of example.
In fig. 6, the microwave transmitting antenna 40 is located at the bottom of the atomizing chamber 30 and is installed near the housing 70, the mist electronic atomizing device further includes a microwave collecting device 80, and the microwave transmitting antenna 40 is located in the microwave collecting device 80. The microwave transmitting antenna 40 emits microwaves and the microwave focusing means 80 focuses at least part of the microwaves emitted by the microwave transmitting antenna 40 to the aerosol-generating substrate 10 in the nebulizing chamber 30 to heat the aerosol-generating substrate 10. Alternatively, the microwave collecting device 80 has an inner layer which is a microwave reflecting layer, and the microwave reflecting layer can better collect the microwave to the atomizing cavity 30, so that the microwave utilization rate is improved, and the heating efficiency is improved. Further, the outer layer of the microwave collecting device 80 is a microwave shielding layer, and the shielding layer can absorb the unused microwaves, so that the microwaves are prevented from being scattered outside the heating non-combustion electronic atomization device to cause microwave pollution.
In figure 7, the microwave-emitting antenna 40 is wound around the nebulization chamber 30 or the substrate holder 20, the microwave-emitting antenna 40 emitting microwaves in such a way that the majority of the emitted microwaves have been concentrated in the nebulization chamber 30, i.e. on the aerosol-generating substrate 10, and a portion of the peripherally diverging microwaves are reflected by the microwave collecting means 80 and re-collected on the aerosol-generating substrate 10 in order to heat the aerosol-generating substrate 10.
In a preferred embodiment, referring to fig. 8, the microwave control method of the present embodiment is applied to the electronic atomization device as in the above-described embodiments. Specifically, the microwave control method comprises the following steps:
and S1, controlling the microwave generating circuit to generate microwave by the microwave control circuit, so that the microwave transmitting antenna emits the microwave within a preset microwave frequency range in a sweep mode, wherein the microwave is used for heating the aerosol generating substrate in the atomizing cavity. Specifically, the microwave control circuit determines a preset microwave frequency and controls the microwave generating circuit to generate microwaves according to the preset microwave frequency. The microwave transmitting antenna sweeps the emitted microwaves over a predetermined microwave frequency range, at least a portion of the microwaves being focused in the nebulizing chamber to heat the aerosol-generating substrate. It should be noted that, the microwave transmitting antenna emits the microwave within the preset microwave frequency range by sweeping through the microwave control circuit, and the microwave control circuit determines the preset microwave frequency within the preset microwave frequency range by sweeping, for example, gradually increasing the frequency from the minimum frequency of the preset microwave frequency range to the maximum frequency of the preset microwave frequency range, or gradually increasing the frequency from the minimum frequency of the preset microwave frequency range to the maximum frequency of the preset microwave frequency range according to the preset frequency interval, or gradually decreasing the frequency from the maximum frequency of the preset microwave frequency range to the minimum frequency of the preset microwave frequency range according to the preset frequency interval. For another example, the preset microwave frequency range includes at least two preset microwave frequency points, and each preset microwave frequency point is sequentially transmitted to the microwave generating circuit according to a preset sequence.
And S2, the feedback acquisition circuit acquires feedback signals corresponding to the microwaves and sends the feedback signals to the microwave control circuit. Specifically, the feedback acquisition circuit acquires a feedback signal corresponding to the microwave with the preset microwave frequency transmitted by the microwave transmitting antenna after the microwave transmitting antenna transmits the microwave, and transmits the feedback signal to the microwave control circuit.
And S3, after the sweep frequency emission microwave is finished, the microwave control circuit selects the microwave emission frequency according to the feedback signal. Specifically, after the sweep frequency emission of the microwaves is finished, the microwave control circuit selects the microwave emission frequency according to the feedback signal to maintain or correct the preset microwave frequency, namely, selects the proper microwave emission frequency to enable the aerosol generating substrate in the atomizing cavity to reach the optimal atomizing state. Alternatively, the microwave emission frequency at which the aerosol-generating substrate absorbs the most is selected as the optimum microwave emission frequency at which the electronic atomising device emits microwaves until the next microwave frequency sweep.
In the embodiment, the aerosol generating substrate is directly heated by microwaves, the microwave emission frequency is adjusted by frequency sweeping, the heating efficiency is high, and the service life of equipment is prolonged.
In the microwave control method according to an embodiment, the selecting, by the microwave control circuit according to the feedback signal in step S3, a microwave transmitting frequency includes: the microwave control circuit selects microwave emission frequency and microwave emission power according to the feedback signal, and simultaneously adjusts the microwave emission frequency and the microwave emission power to enable the aerosol generating substrate in the atomizing cavity to reach the optimal atomizing state.
In the microwave control method according to an embodiment, the feedback signal in step S2 is reverse microwave power. After microwave emission, not all of the microwaves are absorbed by the aerosol-generating substrate and some of the unabsorbed microwaves are detected by the reverse microwave power, resulting in reverse microwave power. Correspondingly, the step S3, the selecting, by the microwave control circuit according to the feedback signal, the microwave transmitting frequency includes: the microwave control circuit selects the microwave transmitting frequency corresponding to the minimum value of the reverse microwave power.
In the microwave control method according to an embodiment, the microwave heating non-combustible electronic atomization device may cause an error in the microwave aggregation device during a production process, and the error may cause the preset microwave emission frequency to be not the optimal microwave emission frequency when the microwave aggregation device is shipped from a factory, so that the preset microwave emission frequency needs to be calibrated. Before step S1, the method further includes: s101, the microwave control circuit receives a microwave frequency selection instruction, and the microwave frequency selection instruction can be generated by a physical key or a virtual key and the like. Of course, this step may be done at the time of factory shipment or at the time of first use by the user.
In an embodiment, the microwave control method further comprises, before step S1, for achieving the best heating effect, the microwave frequency corresponding to each aerosol-generating substrate is different, that is, the microwave frequency for generating heat by resonance of each aerosol-generating substrate is different: s102, the microwave control circuit receives an aerosol-generating substrate installation completion instruction, i.e. after a user newly installs or replaces an aerosol-generating substrate, generates an aerosol-generating substrate installation completion instruction,
in the microwave control method of an embodiment, the position at which the aerosol-generating substrate needs to be heated varies as the aerosol-generating substrate is consumed, in order for the microwave energy to accurately heat the aerosol-generating substrate, before step S1, the method further includes: and S103, the microwave control circuit receives a pumping command, and a user generates a pumping command during each pumping.
In the microwave control method of an embodiment, the position at which the aerosol-generating substrate needs to be heated varies as the aerosol-generating substrate is consumed, in order for the microwave energy to accurately heat the aerosol-generating substrate, before step S1, the method further includes: and S104, presetting pumping time at intervals by the microwave control circuit.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are only for illustrating the technical idea and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (21)
1. An electronic atomizing device for heating an atomized aerosol-generating substrate, comprising:
an atomising chamber for receiving an aerosol-generating substrate;
the microwave generating circuit is used for generating microwaves according to a preset microwave frequency;
a microwave transmitting antenna connected with the microwave generating circuit, which transmits microwaves in a sweep frequency within a preset microwave frequency range, and is used for transmitting microwaves to the atomizing cavity to heat the aerosol generating substrate;
the feedback acquisition circuit is used for acquiring a feedback signal corresponding to the preset microwave frequency microwave transmitted by the microwave transmitting antenna; and
the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit; the microwave control circuit is used for determining the preset microwave frequency, controlling the microwave generating circuit to generate microwaves according to the preset microwave frequency, and selecting the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal.
2. The electronic atomizer device of claim 1, wherein said feedback signal is a feedback current value and said feedback collection circuit is a current collection circuit; or
The feedback signal is a feedback voltage value, and the feedback acquisition circuit is a voltage acquisition circuit; or
The feedback signal is a feedback capacitance value, and the feedback acquisition circuit is a capacitance acquisition circuit; or
The feedback signal is a feedback temperature value, and the feedback acquisition circuit is a temperature acquisition circuit.
3. The electronic atomizer device of claim 1, wherein said feedback signal is reverse microwave power and said feedback acquisition circuit is a microwave reverse power detector.
4. The electronic atomization device of claim 3 wherein the microwave reverse power detector is configured to detect reverse microwave power received by the microwave transmitting antenna.
5. The electronic atomizer of claim 1, further comprising a microwave forward power detector connected to said microwave control circuit, said microwave forward power detector being configured to collect microwave emission power.
6. The electronic atomizer of claim 1, further comprising a power amplifier, wherein an output of said microwave generating circuit is connected to a first input of said power amplifier, and an output of said power amplifier is connected to said microwave transmitting antenna; the microwave control circuit is connected with the power amplifier and adjusts the power amplifier according to the feedback signal.
7. The electronic atomizer device according to claim 1, further comprising a power regulator, wherein said microwave control circuit is connected to an input of said power regulator, an output of said power regulator is connected to a second input of said power amplifier, and said microwave control circuit adjusts said power regulator according to said feedback signal.
8. A non-combustible heating electronic atomizing device, comprising:
an aerosol-generating substrate, the aerosol-generating substrate being held by the aerosol-generating chamber;
the circuit board comprises a microwave generating circuit, a feedback acquisition circuit and a microwave control circuit; the microwave control circuit is respectively connected with the microwave generating circuit and the feedback acquisition circuit; the microwave generating circuit is used for generating microwaves according to a preset microwave frequency;
a microwave transmitting antenna connected with the microwave generating circuit, which transmits microwaves in a sweep frequency within a preset microwave frequency range, and is used for transmitting microwaves to the atomizing cavity to heat the aerosol generating substrate;
the feedback acquisition circuit acquires a feedback signal corresponding to the preset microwave frequency microwave transmitted by the microwave transmitting antenna; the microwave control circuit is used for determining the preset microwave frequency, controlling the microwave generating circuit to generate microwaves according to the preset microwave frequency, and selecting the microwave transmitting frequency to maintain or correct the preset microwave frequency according to the feedback signal.
9. The heated non-combusting electronic atomizer according to claim 8, wherein said feedback signal is a feedback current value, and said feedback collecting circuit is a current collecting circuit; or
The feedback signal is a feedback voltage value, and the feedback acquisition circuit is a voltage acquisition circuit; or
The feedback signal is a feedback capacitance value, and the feedback acquisition circuit is a capacitance acquisition circuit; or
The feedback signal is a feedback temperature value, and the feedback acquisition circuit is a temperature acquisition circuit.
10. The heated non-combusting electronic atomizer device of claim 8 wherein said feedback signal is reverse microwave power and said feedback acquisition circuit is a microwave reverse power detector.
11. The heated non-combustible electronic atomizer device of claim 10 wherein said microwave reverse power detector is adapted to detect reverse microwave power received by said microwave transmitting antenna.
12. The heated non-combustible electronic atomizer device of claim 8 further comprising a microwave forward power detector connected to said microwave control circuit, said microwave forward power detector being configured to collect microwave emission power.
13. The heated non-combustible electronic atomizer device according to claim 8, further comprising a power amplifier, wherein an output of said microwave generating circuit is connected to a first input of said power amplifier, and an output of said power amplifier is connected to said microwave transmitting antenna; the microwave control circuit is connected with the power amplifier and adjusts the power amplifier according to the feedback signal.
14. The heated non-combusting electronic atomizer of claim 8 further comprising a power regulator, wherein said microwave control circuit is coupled to an input of said power regulator, wherein an output of said power regulator is coupled to a second input of said power amplifier, and wherein said microwave control circuit adjusts said power regulator in response to said feedback signal.
15. The heated non-combustible electronic atomizer device according to claim 8, further comprising a microwave focusing assembly, a microwave transmitting antenna located within said microwave focusing assembly, said microwave focusing assembly being adapted to focus at least a portion of the microwaves transmitted by said microwave transmitting antenna into the atomizing chamber.
16. The device for heating non-combustible electronic atomization of claim 15, wherein an inner layer of the microwave focusing device is a microwave reflecting layer.
17. The device for heating non-combustible electronic atomization of claim 16, wherein an outer layer of the microwave focusing device is a microwave shielding layer.
18. A microwave control method applied to the electronic atomizing device according to any one of claims 1 to 17, comprising:
s1, controlling the microwave generating circuit to generate microwaves by the microwave control circuit, so that the microwave transmitting antenna emits microwaves within a preset microwave frequency range in a frequency sweeping manner, wherein the microwaves are used for heating the aerosol generating substrate in the atomizing cavity;
s2, a feedback acquisition circuit acquires a feedback signal corresponding to the microwave and sends the feedback signal to the microwave control circuit;
and S3, after the sweep frequency emission microwave is finished, the microwave control circuit selects the microwave emission frequency according to the feedback signal.
19. The microwave control method of claim 18, wherein the step S3, selecting the microwave transmitting frequency by the microwave control circuit according to the feedback signal, comprises: and the microwave control circuit selects microwave transmitting frequency and microwave transmitting power according to the feedback signal.
20. The microwave control method according to claim 18, wherein the feedback signal in step S2 is a reverse microwave power;
in step S3, the selecting, by the microwave control circuit according to the feedback signal, a microwave transmitting frequency includes: and the microwave control circuit selects the microwave transmitting frequency corresponding to the minimum value of the reverse microwave power.
21. The microwave control method according to claim 18, further comprising, before the step S1:
s101, the microwave control circuit receives a microwave frequency selection instruction; or
S102, the microwave control circuit receives an aerosol generating substrate installation finishing instruction; or
S103, the microwave control circuit receives a pumping instruction; or
And S104, presetting pumping time at intervals by the microwave control circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045050A1 (en) * | 2022-08-31 | 2024-03-07 | 深圳麦时科技有限公司 | Heat-not-burn device and heating control method therefor, program product, and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024045050A1 (en) * | 2022-08-31 | 2024-03-07 | 深圳麦时科技有限公司 | Heat-not-burn device and heating control method therefor, program product, and storage medium |
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