阅读说明：本技术 一种烟雾发生器的材料剂量控制系统及其控制方法 (Material dosage control system of smoke generator and control method thereof ) 是由 何志强 于 2019-10-21 设计创作，主要内容包括：本发明涉及电子烟技术领域,尤其是指一种烟雾发生器的材料剂量控制系统及其控制方法,先生成气体气压与气体流量、气体气压与气体密度之间的对应关系表,于是在后续检测气体的气压后,通过查询对应关系表便可获得当前气压相应的气体流量和气体密度,再根据气体流量计算出气体体积,最后在根据气体体积和气体密度便可计算出该气体的重量。本发明提供的一种烟雾发生器的材料剂量控制系统及其控制方法,通过对应关系表可实现快速、简单测量气体的重量的目的,从而实现控制单位时间内的雾化材料的使用剂量的功能,可防止雾化材料使用过量的问题。(The invention relates to the technical field of electronic cigarettes, in particular to a material dose control system of a smoke generator and a control method thereof. According to the material dosage control system of the smoke generator and the control method thereof, the aim of quickly and simply measuring the weight of the gas can be achieved through the corresponding relation table, so that the function of controlling the dosage of the atomized material in unit time is achieved, and the problem of excessive use of the atomized material can be prevented.)

1. A material dosage control system for an aerosol generator, comprising: including controller, power, gas generation module, gaseous collection piece and a plurality of atmospheric pressure detection piece, the power is used for providing voltage for the controller, gas generation module is used for providing fixed volume's gaseous and stable atmospheric pressure, and is a plurality of atmospheric pressure detection piece is used for detecting the atmospheric pressure or the equivalent atmospheric pressure of the gaseous that gas generation module provided and with this atmospheric pressure or the numerical value transmission of equivalent atmospheric pressure to the controller, the controller is used for the detection data of storage record atmospheric pressure detection piece, gas collection piece is used for collecting the gas that gas generation module provided.

2. A material dose control system for an aerosol generator according to claim 1, wherein: the gas generation module comprises an air pump, an air inlet channel, an exhaust channel, a gas conversion interface, a gas pressure reduction unit and a driving motor, wherein the driving motor is used for controlling the air pump to suck or exhale, the gas conversion interface is communicated with the air pump, the air inlet channel and the exhaust channel are respectively communicated with an air inlet and an air outlet of the gas conversion interface, the air pressure detection piece is installed in the air inlet channel, and the gas pressure reduction unit is installed between the air inlet of the air inlet channel and a plurality of air pressure detection pieces.

3. A material dose control system for an aerosol generator according to claim 2, wherein: the gas generation module also comprises a speed regulating unit for regulating the rotating speed of the driving motor.

4. A material dose control system for an aerosol generator according to claim 1, wherein: the material dosage control system also comprises a data display unit which is in signal connection with the controller.

5. A method of controlling a material dosage control system of an aerosol generator, comprising: the method comprises the following steps:

A. detecting the gas pressure P (i) (1.. N) of the gas in real time, wherein N is the detection frequency of a gas pressure detection piece;

B. calculating the average value P of the pressure detection values P (i) for N times _laverage(P (1) + P (2) +. + P + (N))/N, and the air pressure average value P is calculated _laverageThe corresponding gas flow rate;

C. calculating the gas density corresponding to the gas pressure P (i);

D. repeating the step A to the step C to obtain a plurality of air pressure average values P _laverageCalculating the average value P of each air pressure _laverageCorresponding to the gas flow and the gas density to generate a gas pressure average value P _laverageWith gas volume and gas pressure mean value P _laverageA corresponding relation table with the gas density is stored;

E. the gas pressure collected at the kth time is P (k), and the gas flow F (k) and the gas density D (k) corresponding to the gas pressure P (k) can be obtained through the corresponding relation table generated in the step D;

F. calculating a gas volume v (k) through the gas flow rate f (k), wherein the weight of the gas corresponding to the gas pressure p (k) collected at the k time is w (k) ═ v (k) × d (k);

G. superposing the weights of the gases obtained at all sampling moments to obtain the total weight Mtotal of the gases, namely W (1) + W (2) +. + W (K), wherein K is the total collection times; a gas use critical value L is set, and if the total weight Mtotal > of the gas is equal to L, the gas is not generated any more.

6. The control method according to claim 5, characterized in that: if the detection time interval of the air pressure p (i) is Ts seconds and the air flow rate is F, the air flow rate F (k) of the kth air pressure detection sample is V/(Ts × N), where V is the volume of the air pump and N is the total detection times of the air pressure detection unit.

7. The control method according to claim 5, characterized in that: assuming that the initial weight of the gas collecting member is m0, and the weight of the gas collecting member after the kth detection of the gas pressure is m (k), the gas density detected by the kth gas pressure is d (k) ═ m (k) -m0)/V, wherein V is the volume of the gas pump.

8. The control method according to claim 5, characterized in that: the volume of gas detected at the k-th time is v (k) ═ Ts × f (k), where Ts is the detection time interval of the gas detection device.

9. The control method according to claim 5, characterized in that: in step E, after the gas pressure P (k) is collected for the k time, the gas flow F (k) and the gas density D (k) corresponding to the gas pressure P (k) are obtained from the corresponding relation table through interpolation operation or table look-up operation.

Technical Field

The invention relates to the technical field of electronic cigarettes, in particular to a material dosage control system of a smoke generator and a control method thereof.

Background

The electronic cigarette is an electronic product simulating a cigarette, and has the same appearance, smoke, taste and sensation as the cigarette. It is a product which is absorbed by users after nicotine and the like are changed into steam by means of atomization and the like. Related researches consider that the harm of the electronic cigarette is smaller than that of the traditional cigarette, so that the electronic cigarette is popular in foreign countries in early years and is favored by young people in China only in recent years.

However, the electronic cigarette is far less harmful than a conventional cigarette, but cannot be used for a long time. Most of the electronic cigarettes on the market utilize a switch to control the starting and stopping of the electronic cigarettes, so that a user can only control the electronic cigarettes to be closed; or a timing function is arranged on part of the electronic cigarettes, but the smoking times of the user are more or less and cannot be controlled within a set time, so that the use amount of the tobacco tar or other atomizing materials cannot be controlled, and the health of the user and people around the user can be influenced if the use amount of the tobacco tar or other atomizing materials in unit time exceeds a standard.

Disclosure of Invention

The invention provides a material dosage control system of a smoke generator and a control method thereof aiming at the problems in the prior art, which can quickly and simply measure the weight of gas so as to realize the function of controlling the dosage of atomized materials in unit time.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a material dosage control system of fog generator, includes controller, power, gas generation module, gaseous collection piece and a plurality of atmospheric pressure detection piece, the power is used for providing the voltage for the controller, gas generation module is used for providing fixed volume's gas and stable atmospheric pressure, and is a plurality of the atmospheric pressure detection piece is used for detecting the atmospheric pressure or the equivalent atmospheric pressure of the gas that gas generation module provided and transmits this atmospheric pressure or the numerical value of equivalent atmospheric pressure to the controller, the controller is used for the detection data of storage record atmospheric pressure detection piece, gaseous collection piece is used for collecting the gas that gas generation module provided.

Preferably, the gas generation module includes air pump, inlet channel, exhaust passage, gaseous conversion interface, gaseous decompression unit and driving motor, driving motor is used for controlling the air pump and breathes in or exhale, gaseous conversion interface and air pump intercommunication, inlet channel and exhaust passage communicate with the air inlet and the gas outlet of gaseous conversion interface respectively, and is a plurality of the atmospheric pressure detects the piece and installs in inlet channel, gaseous decompression unit installs between inlet channel's air inlet and a plurality of atmospheric pressure detection pieces.

Preferably, the gas generation module further comprises a speed regulating unit for regulating the rotation speed of the driving motor.

Preferably, the material dosage control system further comprises a data display unit in signal connection with the controller.

A method of controlling a material dosage control system of an aerosol generator, comprising the steps of:

A. detecting the gas pressure P (i) (1.. N) of the gas in real time, wherein N is the detection frequency of a gas pressure detection piece;

B. calculating the average value P of the pressure detection values P (i) for N times _laverage(P (1) + P (2) +. + P + (N))/N, and the air pressure average value P is calculated _laverageThe corresponding gas flow rate;

C. calculating the gas density corresponding to the gas pressure P (i);

D. repeating the step A to the step C to obtain a plurality of air pressure average values P _laverageCalculating the average value P of each air pressure _laverageCorresponding to the gas flow and the gas density to generate a gas pressure average value P _laverageWith gas volume and gas pressure mean value P _laverageA corresponding relation table with the gas density is stored;

E. the gas pressure collected at the kth time is P (k), and the gas flow F (k) and the gas density D (k) corresponding to the gas pressure P (k) can be obtained through the corresponding relation table generated in the step D;

F. calculating a gas volume v (k) through the gas flow rate f (k), wherein the weight of the gas corresponding to the gas pressure p (k) collected at the k time is w (k) ═ v (k) × d (k);

G. superposing the weights of the gases obtained at all sampling moments to obtain the total weight Mtotal of the gases, namely W (1) + W (2) +. + W (K), wherein K is the total collection times; and setting a gas use critical value L, and stopping the gas generator to stop generating no gas if the total weight Mtotal > of the gas is equal to L.

Preferably, if the detection time interval of the air pressure p (i) is Ts seconds and the air flow rate is F, the air flow rate F (k) of the kth air pressure detection sample is V/(Ts × N), where V is the volume of the air pump and N is the total number of times of detection of the air pressure detecting member.

Preferably, when the initial weight of the gas collecting member is m0 and the weight of the gas collecting member after the kth detection of the gas pressure is m (k), the gas density detected by the kth gas pressure is d (k) ═ m (k) -m0)/V, where V is the volume of the gas pump.

Preferably, the volume of gas detected at the kth time is v (k) ═ Ts × f (k), where Ts is the detection time interval of the gas detection device.

Preferably, in step E, after the gas pressure p (k) is collected for the k time, the gas flow f (k) and the gas density d (k) corresponding to the gas pressure p (k) are obtained from the corresponding relationship table through interpolation operation or table look-up operation.

The invention has the beneficial effects that:

the invention provides a material dosage control system of a smoke generator and a control method thereof.A corresponding relation table between gas pressure and gas flow and between gas pressure and gas density is generated firstly, then after the gas pressure of gas is detected subsequently, the gas flow and the gas density corresponding to the current gas pressure can be obtained by inquiring the corresponding relation table, then the gas volume is calculated according to the gas flow, finally the weight of the gas can be calculated according to the gas volume and the gas density, the calculated weight of the gas is compared with an initial set critical value, if the weight of the gas is more than the set critical value, the usage amount of an atomizing material for generating the gas in a fixed time exceeds the set value, then the usage of the atomizing material can be suspended, and the purpose of controlling the usage dosage of the atomizing material is achieved. According to the material dosage control system of the smoke generator and the control method thereof, the purpose of quickly and simply measuring the weight of the gas can be realized through the corresponding relation table, so that the function of controlling the dosage of the atomized material in unit time is realized, and the problem of excessive use of the atomized material can be prevented.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is another schematic block diagram of the present invention.

FIG. 3 is a flowchart illustrating the generation of a mapping table according to the present invention.

Fig. 4 is a flow chart of calculation of the weight of the smoke gas of the present invention.

The reference numerals in fig. 1 to 4 include:

1-a controller, 2-a power supply, 31-an air pump, 32-an air inlet channel, 33-an air outlet channel, 34-an air conversion interface, 35-an air pressure reducing unit, 36-a driving motor, 37-a speed regulating unit, 38-a data display unit, 4-an air collecting part and 5-an air pressure detecting part.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

The material dosage control system of the smoke generator provided by the embodiment, as shown in fig. 1 and fig. 2, includes a controller, a power supply, a gas generation module, a gas collection component, and a plurality of gas pressure detection components, wherein the power supply is used for providing voltage for the controller, the gas generation module is used for providing a fixed volume of gas and a stable gas pressure, the plurality of gas pressure detection components are used for detecting the gas pressure or equivalent gas pressure of the gas provided by the gas generation module and transmitting the gas pressure or the value of the equivalent gas pressure to the controller, the controller is used for storing and recording detection data of the gas pressure detection components, and the gas collection component is used for collecting the gas provided by the gas generation module; the gas generation module comprises a gas pump, a gas inlet channel, a gas exhaust channel, a gas conversion interface, a gas pressure reduction unit and a driving motor, wherein the driving motor is used for controlling the gas pump to suck or exhale, the gas conversion interface is communicated with the gas pump, the gas inlet channel and the gas exhaust channel are respectively communicated with a gas inlet and a gas outlet of the gas conversion interface, a plurality of gas pressure detection pieces are arranged in the gas inlet channel, and the gas pressure reduction unit is arranged between the gas inlet of the gas inlet channel and the plurality of gas pressure detection pieces; the gas generation module also comprises a speed regulating unit for regulating the rotating speed of the driving motor; the material dosage control system also comprises a data display unit which is in signal connection with the controller. The gas pressure reduction unit, the speed regulation unit and the data display unit which are adopted in the embodiment are all in the prior art, and the gas pressure reduction unit can adopt a gas pressure reduction valve in the prior art.

Specifically, in this embodiment, the material dosage control system of the smoke generator is used for the smoke gas of the electronic cigarette, and the specific control principle is as follows:

firstly, generating a corresponding relation table: the air pump has two states of air suction and air exhaust, the air suction of the air pump simulates the air suction of a human body, the air exhalation of the air pump simulates the air exhalation of the human body, and the driving motor controls the switching of the two states of air suction and air exhaust of the air pump through positive and negative rotation; firstly, a driving motor drives an air pump to suck air, so that smoke gas enters the air pump from an air inlet channel, a gas pressure reducing unit is arranged in the air inlet channel, the air pressure of the smoke gas can be reduced, the air pressure is prevented from exceeding the detection range of an air pressure detection piece, the air pressure detection piece detects the air pressure of the smoke gas in real time in the process, a plurality of detection data are transmitted to a controller, the controller averages the detection data of all the air pressure detection pieces to obtain the average air pressure value of the smoke gas, and then the air flow of the smoke gas can be calculated by combining the detection time interval of the air pressure; then the driving motor drives the air pump to convert into an exhaust state, so that the air in the air conversion interface is output from the exhaust channel, the air collecting piece is arranged in the exhaust channel and used for collecting the smoke gas exhausted by the exhaust channel, the weight of the air collecting piece after absorbing the air is measured, the initial weight of the air collecting piece is subtracted, the weight of the smoke gas absorbed by the air collecting piece can be calculated, the volume of the smoke gas exhausted by the exhaust channel each time is the volume of the air pump, the density of the smoke gas can be calculated according to the weight and the volume of the smoke gas, and preferably, the air collecting piece in the embodiment adopts filter cotton. The average air pressure, the air flow and the air density of the current smog gas can be calculated by the air pump every time of air suction and air exhaust, a plurality of groups of data of the average air pressure, the air flow and the air density can be obtained by repeating the detection and calculation process, and a corresponding relation table of the average air pressure value and the air flow and the average air pressure value and the air density is generated according to the plurality of groups of data and is stored in a memory on the controller. The air pressure detecting pieces in this embodiment may be air pressure sensors, but are not limited to the air pressure sensors, the number of the air pressure detecting pieces may be set to one, or may be set to two or even more than two, when the number of the air pressure detecting pieces is two, the two air pressure detecting pieces simultaneously perform air pressure detection, so that more detection data can be obtained, and then the corresponding relation table is generated according to the detection data of the two air pressure detecting pieces.

And secondly, after a corresponding relation table is generated, controlling the air suction speed of the air pump to enable the smoke gas to enter the air pump, detecting the air pressure of the smoke gas by an air pressure detecting piece, quickly searching and obtaining the air flow and the air density corresponding to the air pressure in the corresponding relation table according to the detected air pressure, calculating the volume of the gas through the air flow, calculating the weight of the gas under different air pressures according to a weight-volume-density formula, comparing the calculated weight of the gas with an initially set critical value, and if the weight of the gas is greater than the set critical value, indicating that the usage amount of the atomizing material for generating the gas in a fixed time exceeds the set value, so that the usage of the atomizing material can be suspended, and the purpose of controlling the usage amount of the atomizing material is achieved. According to the material dosage control system of the smoke generator and the control method thereof, the purpose of quickly and simply measuring the weight of gas can be realized through the corresponding relation table, so that the function of controlling the dosage of the atomized material in unit time is realized, the problem of excessive use of the atomized material can be prevented, the function of the electronic cigarette is not single any more, the electronic cigarette is connected with the data display unit through the controller, namely, the electronic cigarette is subjected to data exchange with the intelligent terminal, the use condition of the electronic cigarette by a user can be monitored in real time, and the purposes of timing, quantitative control and use effect tracking of the electronic cigarette are realized. Of course, the material dosage control system can also be used for monitoring the use of smoke gas outside the electronic cigarette.

The control method of the material dosage control system of the smoke generator provided by the embodiment, as shown in fig. 3 and 4, comprises the following steps:

A. detecting the gas pressure P (i) (1.. N) of the gas in real time, wherein N is the detection frequency of a gas pressure detection piece;

B. calculating the average value P of the pressure detection values P (i) for N times _laverage(P (1) + P (2) +. + P + (N))/N, and the air pressure average value P is calculated _laverageCorresponding gasFlow rate;

C. calculating the gas density corresponding to the gas pressure P (i);

D. repeating the step A to the step C to obtain a plurality of air pressure average values P _laverageCalculating the average value P of each air pressure _laverageCorresponding to the gas flow and the gas density to generate a gas pressure average value P _laverageWith gas volume and gas pressure mean value P _laverageA corresponding relation table with the gas density is stored;

E. the gas pressure collected at the kth time is P (k), and the gas flow F (k) and the gas density D (k) corresponding to the gas pressure P (k) can be obtained through the corresponding relation table generated in the step D;

F. calculating a gas volume v (k) through the gas flow rate f (k), wherein the weight of the gas corresponding to the gas pressure p (k) collected at the k time is w (k) ═ v (k) × d (k);

G. superposing the weights of the gases obtained at all sampling moments to obtain the total weight Mtotal of the gases, namely W (1) + W (2) +. + W (K), wherein K is the total collection times; a gas use critical value L is set, and if the total weight Mtotal > of the gas is equal to L, the gas is not generated any more.

Wherein, assuming that the initial weight of the gas collecting piece is m0, and the weight of the gas collecting piece after the kth detection of the gas pressure is m (k), the gas density detected by the kth gas pressure is D (k) ═ m (k) — m0)/V, wherein V is the volume of the gas pump;

the volume of the gas detected at the kth time is v (k) ═ Ts × f (k), wherein Ts is the detection time interval of the gas detection piece;

after the gas pressure P (k) is collected for the k time, the gas flow F (k) and the gas density D (k) corresponding to the gas pressure P (k) are obtained from the corresponding relation table through interpolation operation or table look-up operation.

Specifically, in the control method of this embodiment, by generating the correspondence table of different gas pressure values, gas flow rates and gas densities first, data in the correspondence table can be directly called in the subsequent use process without performing calculation, thereby effectively improving the detection speed; moreover, the data in the corresponding relation table are obtained through multiple times of detection and averaging, so that the accuracy is high, and the accuracy of gas weight detection is improved; all detected and calculated data are displayed through the data display unit, so that the use condition of the electronic cigarette can be conveniently checked and monitored, and the use of the electronic cigarette can be effectively controlled; in addition, when the control method is used for the electronic cigarette, the heater can be matched with the heater of the electronic cigarette to control the heater to heat at a constant temperature, and the dosage of the used atomizing material can be calculated by combining the calculated weight of the smoke gas, so that the use condition of the electronic cigarette is further controlled, and the use degree of a user is prevented.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.