CN111759016A - Automatic dry-burning prevention electronic atomization device and automatic dry-burning prevention method - Google Patents
Automatic dry-burning prevention electronic atomization device and automatic dry-burning prevention method Download PDFInfo
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- CN111759016A CN111759016A CN202010826854.0A CN202010826854A CN111759016A CN 111759016 A CN111759016 A CN 111759016A CN 202010826854 A CN202010826854 A CN 202010826854A CN 111759016 A CN111759016 A CN 111759016A
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- tobacco tar
- side wall
- electrode
- sensing electrode
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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
- A24F40/10—Devices using liquid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/53—Monitoring, e.g. fault detection
Abstract
The invention belongs to the field of novel cigarette smoking sets, and particularly relates to an automatic dry burning prevention electronic atomization device and an automatic dry burning prevention method. The electronic atomization device comprises: the tobacco tar containing bin and the tobacco tar amount sensing device; wherein the smoke sensing device comprises at least one side wall sensing electrode and at least one bottom surface sensing electrode, all the electrodes can contact the smoke, but all the electrodes are not contacted with each other; the design mode of the side wall sensing electrode and the bottom surface sensing electrode is that: when the tobacco tar containing bin inclines at any angle smaller than 90 degrees in any direction, the tobacco tar in the tobacco tar containing bin can simultaneously contact with at least one side wall induction electrode and at least one bottom surface induction electrode. Only when the tobacco tar is exhausted actually, the smoking set can be judged to be in the tobacco tar exhausted state, and the smoking set is basically in an inclined state in the process of smoking the electronic atomization device by a user.
Description
Technical Field
The invention belongs to the field of novel cigarette smoking sets, and particularly relates to an automatic dry burning prevention electronic atomization device and an automatic dry burning prevention method.
Background
In recent years, with the development of science and technology and society, people gradually realize the harm of smoking traditional tobacco to human bodies, and in some occasions, the smoking prohibition is gradually limited so as not to bring certain health hidden troubles to people. But due to the appearance of the electronic cigarette, certain psychological and physiological requirements of consumers are met by sucking the atomized smoke, and meanwhile, the dependence on traditional tobacco is reduced, so that the health purpose is achieved.
On the market at present, the tobacco tar that electronic cigarette product mainly utilizes the heater to atomize the storehouse through the electric heating mode with atomizing, produces smog, gets into the consumer oral cavity, reaches the suction and experiences. In the process, tobacco tar basically undergoes physical change from liquid state to gas state without chemical change, so that the components of the smoke are basically harmless to the human body, and the electronic cigarette is a better smoking cessation substitute in the market.
However, in the process of atomizing the tobacco tar, once the amount of the tobacco tar is reduced to be incapable of being absorbed by the atomizing core or the oil guide cotton or the tobacco tar is exhausted, the electronic cigarette can be burned, which can seriously reduce the smoking taste of consumers. Meanwhile, because of the exhaustion of the tobacco tar, the temperature of the atomizing core or the oil guide cotton can be rapidly raised due to the continuous heating of the heating type, and after a certain temperature point is exceeded, the material inside the atomizing core or the oil guide cotton can generate chemical reaction to generate harmful gas, so that the smoking health of consumers is necessarily influenced. Therefore, the dry-burning prevention electronic cigarette appears on the market.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
1. most of dry-burning-prevention electronic cigarettes in the market judge whether a dry-burning phenomenon exists or not by detecting abnormal fluctuation of resistance values of heating wires, and the reasons for the abnormal fluctuation of the resistance values of the heating wires are many, such as changes of external temperature, changes of components of atomized liquid and the like. Therefore, the misjudgment rate of the detection method is high, the electronic cigarette can be protected against dry burning for multiple times, and the smoking experience of a consumer is reduced.
2. The dry-burning prevention operation is carried out on part of the dry-burning prevention electronic cigarette by detecting the exhaustion of the tobacco tar in the atomization bin. The mode hangs a sheetmetal in atomizing storehouse, and the sheetmetal is as two electrodes respectively with atomizing storehouse bottom surface, and the electrically conductive effect when utilizing the tobacco tar to contact two electrodes simultaneously detects the change of resistance value in order to judge the atomizing storehouse tobacco tar liquid level between two electrodes, thinks the tobacco tar and exhausts when detecting two electrode disconnection, starts the dry combustion method protection. And the second mode is that two strip electrodes are designed on the inner walls of two sides of the atomization bin, the resistance value between the two electrodes is detected to judge the change of the tobacco tar liquid level in the atomization bin, and when the two electrodes are detected to be disconnected, the tobacco tar is considered to be exhausted, and dry burning prevention protection is started. The two detection modes can normally detect when the atomization bin is vertically placed on the ground. However, when a user uses an electronic cigarette, the electronic cigarette is often held in an inclined state by the user's fingers for the user's mouth to draw. Under two kinds of above-mentioned detection methods, when the tobacco tar volume is less, or when the electron cigarette was the tilt state, the tobacco tar very big probably can't contact two electrodes simultaneously, two electrode disconnection, this and tobacco tar when exhausting resistance state the same, the resistance value is the infinity, the electron cigarette then can carry out the dry combustion method operation, but this belongs to the erroneous judgement completely, leads to the user can't carry out normal suction operation.
Disclosure of Invention
The present invention is proposed in order to solve at least one of the above-mentioned problems.
The first aspect of the present invention provides an automatic dry-heating prevention electronic atomization device, which includes: the tobacco tar containing bin and the tobacco tar amount sensing device;
the smoke quantity sensing device comprises at least one side wall sensing electrode and at least one bottom surface sensing electrode, the side wall sensing electrode is arranged on the inner side wall of the smoke oil containing bin, the bottom surface sensing electrode is arranged on the inner bottom surface of the smoke oil containing bin, all the electrodes can contact the smoke oil, and all the electrodes are not in contact with each other;
the design mode of the side wall sensing electrode and the bottom surface sensing electrode is that: when the tobacco tar containing bin inclines at any angle smaller than 90 degrees in any direction, the tobacco tar in the tobacco tar containing bin can simultaneously contact at least one side wall induction electrode and at least one bottom surface induction electrode positioned below the side wall induction electrode.
Preferably, the side wall induction electrode is an integrated electrode or a plurality of electrodes distributed at intervals, and the bottom induction electrode is an integrated electrode or a plurality of electrodes distributed at intervals.
Preferably, the bottom surface sensing electrode includes: a planar bottom sensing electrode completely covering the inner bottom surface of the tobacco tar accommodating bin, or a ring-shaped bottom sensing electrode arranged at the outermost periphery of the inner bottom surface of the tobacco tar accommodating bin.
Preferably, when the tobacco tar containing bin is in a cuboid shape, the side wall induction electrode is a hollow tubular electrode which completely covers the inner side wall of the tobacco tar containing bin, or is a planar electrode which is arranged on four side walls of the tobacco tar containing bin in a planar electrode mode;
when the tobacco tar accommodating bin is in a cylindrical shape, the side wall induction electrode is a hollow tubular electrode which completely covers the inner side wall of the tobacco tar accommodating bin, or is planar electrodes which are uniformly distributed on four 1/4 circumferential side walls of the tobacco tar accommodating bin in a planar electrode mode, and the central angle corresponding to each planar electrode is smaller than 90 degrees.
Preferably, when the tobacco tar accommodating bin is in a cuboid shape, the inner bottom surface of the tobacco tar accommodating bin is divided into 4 triangular areas by two diagonal lines thereof, and the bottom surface sensing electrode comprises planar electrodes distributed on the 4 triangular areas;
when the tobacco tar containing bin is in a cylindrical shape, the bottom surface sensing electrode comprises planar electrodes distributed on fan-shaped bottom surfaces of the inner bottom surface of the tobacco tar containing bin, wherein the maximum N central angles of the fan-shaped bottom surfaces are 360 degrees/N.
Preferably, at least one of the side wall induction electrodes is an L-shaped strip induction electrode or an L-shaped bar induction electrode, the L-shaped strip induction electrode has a horizontal section and a vertical section which are integrally connected, the end of the horizontal section is in contact with the bottom of the inner side wall of the tobacco tar containing bin, and the vertical section is not in contact with the inner side wall of the tobacco tar containing bin.
Preferably, the horizontal section is perpendicular with tobacco tar holds the storehouse inner wall, the vertical section with tobacco tar holds the storehouse inner wall parallel.
Preferably, the automatic dry-burning prevention electronic atomization device further comprises a detection circuit, and the detection circuit is configured to be capable of detecting the electrical parameters of the tobacco tar between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode.
Preferably, the electrical parameters of the tobacco tar include, but are not limited to: the voltage of the tobacco tar, the current of the tobacco tar, the capacitance of the tobacco tar and the inductance of the tobacco tar.
When each sidewall sensing electrode and the bottom sensing electrode located below the sidewall sensing electrode cannot be electrically connected, for example, there is no smoke or the amount of smoke is small between the electrodes, or the smoke cannot simultaneously contact each sidewall sensing electrode and the bottom sensing electrode located below the sidewall sensing electrode, and electrical parameters such as voltage, current, capacitance, inductance, etc. of the smoke between each sidewall sensing electrode and the bottom sensing electrode located below the sidewall sensing electrode may change, for example: the resistance of the soot is infinite and the voltage and current of the soot are zero. Specific variations in capacitance and inductance can be obtained by one skilled in the art from live testing of specific circuits.
Preferably, the tobacco tar holds storehouse middle part and still includes tobacco tar atomizing core, tobacco tar atomizing core bottom is equipped with the inlet port and tobacco tar holds storehouse fluid intercommunication, and the bottom of each lateral wall response electrode is higher than apart from the distance that the tobacco tar held the storehouse bottom surface the distance of inlet port lower limb distance tobacco tar holds the storehouse bottom surface. The purpose is as follows: and judging the state when the tobacco tar is exhausted, namely the state when the tobacco tar amount is reduced to the state when the tobacco tar cannot enter the tobacco tar atomizing core through the oil inlet hole.
The second aspect of the present invention provides a method for preventing dry-heating of an electronic atomizer, which uses the automatic dry-heating prevention electronic atomizer of any one of the first aspects, the method comprising the following steps:
and detecting the electrical parameters of the tobacco tar between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode, judging whether the tobacco tar is exhausted or not according to the change of the electrical parameters of the at least two pairs of induction electrodes, and determining whether dry burning prevention protection measures are started or not.
Preferably, when the resistance of the smoke oil between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode is detected to be infinite, or when the voltage of the smoke oil between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode is detected to be zero, the smoke oil is judged to be exhausted, and the anti-dry burning protection measures are started.
The tobacco tar receiving chamber of the present invention may have other shapes, and the type and arrangement of the electrodes are similar to the rectangular parallelepiped and cylindrical tobacco tar receiving chambers of the present invention.
Each side wall induction electrode on the inner side wall of the tobacco tar accommodating bin can be replaced by a series of point induction electrodes distributed at intervals, and can also be replaced by a series of vertical strip electrodes distributed at intervals.
The induction electrodes on the upper bottom surface of the inner bottom surface of the tobacco tar containing bin can be arranged into a plurality of block-shaped, point-shaped or strip-shaped electrodes. As long as the bottom surface sensing electrode at least covers the outermost periphery of the inner bottom surface of the tobacco tar containing bin at intervals.
The planar induction electrode on the inner side wall of the tobacco tar containing bin can be replaced by an L-shaped strip induction electrode or an L-shaped rod induction electrode, namely, one part of the induction electrode is ensured to be in contact with the inner side wall of the tobacco tar containing bin, and the other part of the induction electrode is not in contact with the inner side wall of the tobacco tar containing bin.
The design mode of the integral induction electrode enables the tobacco tar containing bin to be inclined at any angle smaller than 90 degrees in any direction, the tobacco tar in the tobacco tar containing bin can simultaneously contact at least one side wall induction electrode and at least one bottom induction electrode positioned below the side wall induction electrode, even if the tobacco tar containing bin is obliquely arranged, for example, the tobacco tar does not contact 1 inner side wall of the tobacco tar containing bin, at least one side wall induction electrode can be electrically communicated with at least one bottom induction electrode positioned below the side wall induction electrode through the tobacco tar, at the moment, the electronic atomization device cannot judge that the tobacco tar is exhausted, and anti-dry burning protection measures cannot be started. Therefore, the electronic atomization device and the method for preventing the electronic atomization device from being burnt can prevent misjudgment.
The induction electrodes of the invention are exposed at least partially to the inner side wall of the tobacco tar containing bin so as to contact the tobacco tar.
Preferably, the voltage applied across the sensing electrode is lower than the human body safety voltage, which is a non-safety hazard for consumers during the smoking process.
Preferably, the detection circuit is designed by combining conventional resistors and capacitors, including but not limited to a series connection and a parallel connection of a plurality of resistors, and the voltage stability of the circuit is ensured by the parallel connection of the capacitors.
Because of the difference of the height of tobacco tar liquid level and the angle difference is placed to the smoking set, it is different to lead to tobacco tar and response electrode contact state, and then leads to detection circuitry's resistance value to change, through the steady voltage characteristic of electric capacity, the stability of the data of the sampling of holding voltage, through data analysis and processing at last, calculates the tobacco tar volume, judges whether the tobacco tar exhausts to carry out electron atomizer's dry combustion method protection according to the result. The dry burning prevention protection operation includes but is not limited to operations such as starting up work incapability, vibration reminding, sound reminding, light reminding and the like.
The specific configuration of the detection circuit is common knowledge or conventional technical means in the field of circuit design. The invention does not provide a specific circuit diagram.
The technical scheme can be freely combined on the premise of no contradiction.
The invention has the following beneficial effects:
the invention designs an automatic dry-burning-resistant electronic atomization device for the first time, wherein a smoke and oil quantity sensing device of the electronic atomization device comprises at least one side wall sensing electrode and at least one bottom surface sensing electrode, and the side wall sensing electrode and the bottom surface sensing electrode are designed in a way that: when the tobacco tar containing bin inclines at any angle smaller than 90 degrees in any direction, the tobacco tar in the tobacco tar containing bin can simultaneously contact with at least one side wall induction electrode and at least one bottom surface induction electrode.
The detection method of the electronic atomization device comprises the following steps: when the resistance of the tobacco tar between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode is infinite, the tobacco tar is judged to be exhausted, and dry burning prevention protection measures are started. Therefore, even if the electronic atomization device is in an inclined state, the tobacco tar in the tobacco tar containing bin can simultaneously contact with the at least one side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode, the resistance of the tobacco tar between the at least one side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode is not infinite, and therefore the electronic atomization device cannot be subjected to dry burning prevention operation.
Only when the tobacco tar is actually exhausted, the resistance of the tobacco tar between each side wall induction electrode and at least one bottom surface induction electrode is infinite, the smoking set can be judged to be in a tobacco tar exhausted state, compared with the existing smoking set, the anti-dry burning protection method for the first time notices that the existing anti-dry burning protection method is greatly likely to cause misjudgment when the smoking set is inclined, and provides a solution. In the process of smoking the electronic atomization device by a user, the smoking set is basically in an inclined state, and under the condition, the electronic atomization device and the judgment method designed by the invention cannot generate misjudgment, so that the use experience of the user is improved.
Drawings
FIG. 1 is a perspective view of a tobacco tar-containing chamber according to example 1 (the upper lid of the tobacco tar-containing chamber is not shown).
FIG. 2 is a longitudinal sectional view of the tobacco tar-containing chamber of example 2 (the upper lid of the tobacco tar-containing chamber is not shown).
FIG. 3 is a perspective view of the tobacco tar-containing chamber of example 2 (the upper lid of the tobacco tar-containing chamber is not shown).
FIG. 4 is a plan view showing the bottom of the tobacco tar-containing silo 1 of example 2.
Figure 5 is a partial sectional view of the tobacco tar receiving container according to embodiment 3 (the upper lid of the tobacco tar receiving container is not shown).
Figure 6 is a partial sectional view of the tobacco tar receiving container according to embodiment 4 (the upper lid of the tobacco tar receiving container is not shown).
FIG. 7 is a top view of the tobacco tar-containing chamber of example 5, in which tobacco tar is contained (the upper lid of the tobacco tar-containing chamber is not shown).
FIG. 8 is a schematic longitudinal sectional view of the tobacco tar-containing chamber of example 6 (the upper lid of the tobacco tar-containing chamber is not shown).
Reference numerals:
1. tobacco tar holds storehouse, 1-1, tobacco tar atomizing core, 1-2 inlet ports, 4, lateral wall response electrode, 5, bottom surface response electrode, 3, tobacco tar.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1
Referring to fig. 1, an automatic dry-heating prevention electronic atomization device includes: a tobacco tar accommodating chamber 1 and a tobacco tar amount sensing device;
the smoke content sensing device includes: a lateral wall response electrode 4 and a bottom surface response electrode 5, lateral wall response electrode 4 sets up on the tobacco tar holds the inside wall of storehouse 1, bottom surface response electrode 5 sets up on the tobacco tar holds the interior bottom surface of storehouse 1, and 2 electrodes contactability tobacco tar 3 in the tobacco tar holds storehouse 1, but each other do not contact between 2 electrodes. The tobacco tar containing bin 1 is cylindrical. The side wall sensing electrode 4 is: a hollow tubular electrode completely covering the inner side wall of the tobacco tar containing chamber 1. The bottom surface induction electrode 5 is: a planar bottom sensing electrode which completely covers the inner bottom surface of the tobacco tar containing bin 1.
Therefore, the sidewall sensing electrode 4 and the bottom sensing electrode 5 are designed in such a way that: when the tobacco tar containing bin 1 inclines at any angle smaller than 90 degrees in any direction, the tobacco tar 33 in the tobacco tar containing bin 1 can simultaneously contact the side wall induction electrode 4 and the bottom surface induction electrode 5.
The automatic dry-burning prevention electronic atomization device further comprises a detection circuit, and the detection circuit is configured to be capable of detecting the resistance of the tobacco tar 3 between the side wall induction electrode 4 and the bottom surface induction electrode 5.
When the sidewall sensing electrodes 4 and the bottom sensing electrodes 5 cannot be electrically connected, for example, there is no soot 3 between the electrodes, or the amount of soot 3 is small, or the soot 3 cannot simultaneously contact each sidewall sensing electrode 4 and the bottom sensing electrode 5 located therebelow, the resistance is infinite.
The tobacco tar containing bin 1 center further comprises a tobacco tar atomization core 1-1, the bottom of the tobacco tar atomization core 1-1 is provided with an oil inlet 1-2 which is communicated with the tobacco tar containing bin 1, and the distance from the bottom end of the hollow tubular electrode to the bottom surface of the tobacco tar containing bin 1 is higher than the distance from the lower edge of the oil inlet 1-2 to the bottom surface of the tobacco tar containing bin 1.
A method for automatically preventing dry-fire of an electronic atomizer, using the automatic dry-fire prevention electronic atomizer of embodiment 1, the method comprising the steps of:
when the resistance of the tobacco tar 3 between the side wall induction electrode 4 and the bottom surface induction electrode 5 is detected to be infinite, the tobacco tar 3 is judged to be exhausted, and the dry burning prevention protection measures are started.
Example 2
Referring to fig. 2 to 4, the tobacco tar receiving container 1 is different from the embodiment 1 in that:
the side wall induction electrodes 4 are a plurality of electrodes distributed at intervals, and specifically include: the planar side wall induction electrodes 4 are uniformly distributed on the four 1/4 circumferential side walls of the tobacco tar accommodating bin 1 in the form of planar electrodes, and the central angle corresponding to each planar electrode is less than 90 degrees.
The bottom surface induction electrode 5 is a plurality of electrodes distributed at intervals, and specifically comprises: 4 face electrodes distributed on four fan-shaped bottom surfaces with central angles of 90 degrees of the inner bottom surface of the tobacco tar containing bin 1.
The automatic dry-burning prevention electronic atomization device further comprises a detection circuit, and the detection circuit is configured to detect the resistance of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5 below the side wall induction electrode.
A method for automatically preventing dry-fire of an electronic atomizer, using the automatic dry-fire prevention electronic atomizer of embodiment 2, the method comprising the steps of:
when the resistance of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5 positioned below the side wall induction electrode is detected to be infinite, the tobacco tar 3 is judged to be exhausted, and the anti-dry heating protection measures are started.
Example 3
Referring to fig. 5, the tobacco tar containing bin 1 differs from the embodiment 2 in that:
the tobacco tar containing bin 1 is not provided with a tobacco tar atomizing core 1-1 in the center.
1/4 each planar electrode on the circumferential side wall is replaced by: 3 dot electrodes evenly distributed from top to bottom.
Replacing the bottom surface induction electrode 5 with: 2 point-shaped bottom sensing electrodes and 1 annular bottom sensing electrode. The 2 point-shaped bottom induction electrodes are respectively arranged at two ends with the same diameter on the inner bottom surface of the tobacco tar containing bin 1. The 1 annular bottom surface induction electrode is of a circular ring-shaped structure with smaller thickness and width, and is embedded on the bottom surface in the tobacco tar containing bin 1.
The automatic dry-burning prevention electronic atomization device further comprises a detection circuit, and the detection circuit is configured to detect the resistance of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5 below the side wall induction electrode.
A method for automatically preventing dry-fire of an electronic atomizer, using the automatic dry-fire prevention electronic atomizer of embodiment 2, the method comprising the steps of:
when the resistance of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5 positioned below the side wall induction electrode is infinite, the tobacco tar 3 is judged to be exhausted, and the anti-dry heating protection measures are started
Example 4
As shown in fig. 6, the difference from the embodiment 3 is only: the tobacco tar accommodating chamber 1 is designed in a rectangular parallelepiped shape.
Example 5
As shown in fig. 7, the differences from embodiment 1 are:
the tobacco tar containing bin 1 is not provided with a tobacco tar atomizing core 1-1 in the center.
The tobacco tar accommodating chamber 1 is designed in a rectangular parallelepiped shape. The side wall induction electrodes 4 are planar electrodes arranged on four side walls of the tobacco tar accommodating bin 1 in a planar electrode mode. The bottom sensing electrode 5 is a planar bottom sensing electrode which completely covers the inner bottom surface of the tobacco tar accommodating bin 1.
Example 6
As shown in fig. 8, an automatic dry-heating prevention electronic atomizer comprises: a tobacco tar accommodating chamber 1 and a tobacco tar amount sensing device;
the smoke content sensing device includes: four lateral wall response electrodes 4 and a bottom surface response electrode 5, lateral wall response electrode 4 sets up on the tobacco tar holds the inside wall in storehouse 1, bottom surface response electrode 5 sets up on the tobacco tar holds the interior bottom surface in storehouse 1, and 5 electrodes contactability tobacco tar 3 in the tobacco tar holds storehouse 1, but each other do not contact between the 5 electrodes.
The tobacco tar containing bin 1 is cylindrical. The four sidewall sensing electrodes 4 are: 4L-shaped strip-shaped induction electrodes evenly distributed on the four 1/4 circumferential side walls of the tobacco tar containing bin. The L-shaped strip induction electrode is provided with a horizontal section and a vertical section which are integrally connected, the end part of the horizontal section is contacted with the bottom of the inner side wall of the tobacco tar containing bin, and the vertical section is not contacted with the inner wall of the tobacco tar containing bin. The horizontal segment with the tobacco tar holds the storehouse inner wall perpendicular, vertical segment with the tobacco tar holds the storehouse inner wall parallel.
The bottom surface induction electrode 5 is: a planar bottom sensing electrode which completely covers the inner bottom surface of the tobacco tar containing bin 1.
Therefore, the sidewall sensing electrode 4 and the bottom sensing electrode 5 are designed in such a way that: when the tobacco tar containing bin 1 inclines at any angle smaller than 90 degrees in any direction, the tobacco tar 33 in the tobacco tar containing bin 1 can simultaneously contact at least one of the side wall induction electrode 4 and the bottom surface induction electrode 5.
The automatic dry-burning prevention electronic atomization device further comprises a detection circuit, and the detection circuit is configured to be capable of detecting the voltage of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5.
The tobacco tar containing bin 1 center further comprises a tobacco tar atomization core 1-1, the bottom of the tobacco tar atomization core 1-1 is provided with an oil inlet 1-2 which is communicated with the tobacco tar containing bin 1, and the distance from the bottom end of the L-shaped strip-shaped induction electrode to the bottom surface of the tobacco tar containing bin 1 is larger than the distance from the lower edge of the oil inlet 1-2 to the bottom surface of the tobacco tar containing bin 1.
A method for automatically preventing dry burning of an electronic atomizer, using the automatic dry burning prevention electronic atomizer of embodiment 6, the method comprising the steps of:
when the voltage of the tobacco tar 3 between each side wall induction electrode 4 and the bottom surface induction electrode 5 is detected to be zero, the tobacco tar 3 is judged to be exhausted, and the anti-dry heating protection measures are started.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. The utility model provides an automatic prevent dry combustion method electron atomizer which characterized in that, electron atomizer includes: the tobacco tar containing bin and the tobacco tar amount sensing device;
the smoke quantity sensing device comprises at least one side wall sensing electrode and at least one bottom surface sensing electrode, the side wall sensing electrode is arranged on the inner side wall of the smoke oil containing bin, the bottom surface sensing electrode is arranged on the inner bottom surface of the smoke oil containing bin, all the electrodes can contact the smoke oil, and all the electrodes are not in contact with each other;
the design mode of the side wall sensing electrode and the bottom surface sensing electrode is that: when the tobacco tar containing bin inclines at any angle smaller than 90 degrees in any direction, the tobacco tar in the tobacco tar containing bin can simultaneously contact at least one side wall induction electrode and at least one bottom surface induction electrode positioned below the side wall induction electrode.
2. The automatic dry-burning prevention electronic atomizer according to claim 1, wherein said side wall induction electrode is an integrated electrode or a plurality of electrodes spaced apart from each other, and said bottom induction electrode is an integrated electrode or a plurality of electrodes spaced apart from each other.
3. The automatic dry-fire prevention electronic atomizer of claim 1, wherein said bottom sensing electrode comprises: a planar bottom sensing electrode completely covering the inner bottom surface of the tobacco tar accommodating bin, or a ring-shaped bottom sensing electrode arranged at the outermost periphery of the inner bottom surface of the tobacco tar accommodating bin.
4. The automatic dry-fire prevention electronic atomizer according to claim 1, wherein when said tobacco tar container is rectangular parallelepiped in shape, said side wall sensing electrode is a hollow tubular electrode completely covering the inner side wall of said tobacco tar container, or a planar electrode disposed on the four side walls of said tobacco tar container in the form of a planar electrode;
when the tobacco tar accommodating bin is in a cylindrical shape, the side wall induction electrode is a hollow tubular electrode which completely covers the inner side wall of the tobacco tar accommodating bin, or is planar electrodes which are uniformly distributed on four 1/4 circumferential side walls of the tobacco tar accommodating bin in a planar electrode mode, and the central angle corresponding to each planar electrode is smaller than 90 degrees.
5. The automatic electronic atomizer according to claim 1 or 4, wherein when said tobacco tar container is rectangular parallelepiped, the bottom surface of said tobacco tar container is divided into 4 triangular areas by two diagonal lines thereof, and said bottom surface sensing electrode comprises planar electrodes distributed on said 4 triangular areas;
when the tobacco tar containing bin is in a cylindrical shape, the bottom surface sensing electrode comprises planar electrodes distributed on fan-shaped bottom surfaces of the inner bottom surface of the tobacco tar containing bin, wherein the maximum N central angles of the fan-shaped bottom surfaces are 360 degrees/N.
6. The dry-fire prevention electronic atomizer of claim 4, wherein at least one of said side wall sensing electrodes is an L-shaped strip sensing electrode or an L-shaped rod sensing electrode, said L-shaped strip sensing electrode having a horizontal section and a vertical section integrally connected, an end of said horizontal section contacting a bottom of an inner side wall of said tobacco tar containing compartment, said vertical section not contacting said inner side wall of said tobacco tar containing compartment;
preferably, the horizontal section is perpendicular with tobacco tar holds the storehouse inner wall, the vertical section with tobacco tar holds the storehouse inner wall parallel.
7. The automatic dry-fire prevention electronic atomizer according to any one of claims 1 to 4 or 6, further comprising a detection circuit configured to detect an electrical parameter of the soot between each side wall sensing electrode and the bottom sensing electrode located therebelow.
8. The dry-fire prevention electronic atomizer of claim 7, wherein said electrical parameters of said tobacco tar include, but are not limited to: the voltage of the tobacco tar, the current of the tobacco tar, the capacitance of the tobacco tar and the inductance of the tobacco tar.
9. The automatic electronic atomizer of claim 1, wherein said tobacco tar container further comprises a tobacco tar atomizing core, said tobacco tar atomizing core has an oil inlet at the bottom thereof and is in fluid communication with the tobacco tar container, and the distance from the bottom end of each sidewall sensing electrode to the bottom surface of the tobacco tar container is greater than the distance from the bottom edge of the oil inlet to the bottom surface of the tobacco tar container.
10. A method for preventing dry-heating of an electronic atomizer using the automatic dry-heating prevention electronic atomizer according to any one of claims 1 to 4 or 6, the method comprising the steps of:
and detecting the electrical parameters of the tobacco tar between each side wall induction electrode and the bottom surface induction electrode positioned below the side wall induction electrode, judging whether the tobacco tar is exhausted or not according to the change of the electrical parameters of the at least two pairs of induction electrodes, and determining whether dry burning prevention protection measures are started or not.
11. The method according to claim 10, wherein the dry-fire prevention protection is activated when the resistance of the soot between each side wall sensing electrode and the bottom sensing electrode located therebelow is detected to be infinite or when the voltage of the soot between each side wall sensing electrode and the bottom sensing electrode located therebelow is detected to be zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826854.0A CN111759016A (en) | 2020-08-17 | 2020-08-17 | Automatic dry-burning prevention electronic atomization device and automatic dry-burning prevention method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010826854.0A CN111759016A (en) | 2020-08-17 | 2020-08-17 | Automatic dry-burning prevention electronic atomization device and automatic dry-burning prevention method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4072360A4 (en) * | 2020-10-26 | 2023-06-14 | KT&G Corporation | Aerosol generating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4072360A4 (en) * | 2020-10-26 | 2023-06-14 | KT&G Corporation | Aerosol generating device |
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