CN109043675B - Electric heating non-combustible smoking set and temperature control device thereof - Google Patents
Electric heating non-combustible smoking set and temperature control device thereof Download PDFInfo
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- CN109043675B CN109043675B CN201811141825.XA CN201811141825A CN109043675B CN 109043675 B CN109043675 B CN 109043675B CN 201811141825 A CN201811141825 A CN 201811141825A CN 109043675 B CN109043675 B CN 109043675B
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Abstract
An electric heating non-combustion smoking set and a temperature control device thereof, the temperature control device comprises: the smoking set comprises a heating element of the smoking set, a power control unit, a resistance value detection unit, a main control unit, a temperature sampling unit, a self-calibration unit and a calibration switch, wherein the power control unit and the resistance value detection unit are connected with the heating element, the main control unit is connected with the power control unit and the resistance value detection unit, the temperature sampling unit is connected with the main control unit, is in physical contact with the heating element and is used for sampling the standard temperature of the heating element, the self-calibration unit is used for calibrating the temperature-resistance relation of the heating element by utilizing the standard temperature. The electric heating non-combustible smoking set comprises the temperature control device. After the self-calibration unit, the temperature sampling unit and the self-calibration switch are configured, the temperature-resistance relation of the heating element can be automatically calibrated, so that on one hand, the temperature control of the smoking set is more accurate, on the other hand, the heating element is convenient to replace in the later period, in addition, the smoking set does not need to be manually calibrated in production, the production process is simplified, and the production efficiency is improved.
Description
Technical Field
The invention relates to an electric heating non-combustion smoking set, in particular to a temperature control device of the electric heating non-combustion smoking set.
Background
At present, a novel electric heating non-combustible smoking set in the market generally adopts a heating element with a special coating, the heating element not only has a heating function, but also has the characteristic that the resistance value changes along with the temperature, and in the work, a main control unit detects the resistance value of the heating element, reversely deduces the temperature through the temperature-resistance relation of the heating element to form a feedback temperature, so as to control the temperature of the smoking set.
These smoking articles have the following drawbacks: because the problem of the consistency of the initial resistance values of the heating elements results in that the production stage of the smoking set needs to be added with a calibration procedure, the production is complicated and time-consuming, the production efficiency is low, and meanwhile, the temperature measurement is inaccurate after the heating elements are replaced.
Disclosure of Invention
The invention aims to provide an electric heating non-combustion smoking set and a temperature control device thereof, so as to solve the defects of the existing smoking set.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a temperature control device for an electrically heated non-burning smoking article, comprising:
the resistance value of the heating element changes along with the temperature change of the heating element;
the power control unit is connected with the heating element;
a resistance value detection unit connected to the heating element; and
the main control unit is respectively connected with the power control unit and the resistance value detection unit and is used for sampling the resistance value of the heating element and controlling the power of the heating element after processing;
the temperature control device further includes:
the temperature sampling unit is connected with the main control unit, is in physical contact with the heating element and is used for sampling the standard temperature of the heating element;
a self-calibration unit that calibrates a temperature-resistance relationship of the heating element using the standard temperature; and
a calibration switch for controlling the self-calibration unit and the temperature sampling unit.
Preferably, the self-calibration unit is disposed inside the main control unit.
Preferably, the resistance value detecting unit includes a first voltage-dividing resistor Rs, the first voltage-dividing resistor Rs and the heating element are connected in series to form a first series branch, one end of the first series branch is grounded, and the other end of the first series branch is connected to a power supply, and the common end of the first voltage-dividing resistor Rs and the heating element is the output end of the resistance value detecting unit.
Preferably, the temperature sampling unit includes thermistor RT1 and second divider resistance R01, thermistor RT1 and second divider resistance R01 establish ties and constitute the second and establish ties the branch road, the one end ground connection of the second series connection branch road, another termination power, thermistor RT1 with the common port of second divider resistance R01 is the output of temperature sampling unit.
Preferably, the temperature control device further includes an operating state indicating unit.
An electric heating non-combustion smoking set comprises a heating element and a temperature control device, wherein the resistance value of the heating element changes along with the temperature change of the heating element, and the temperature control device is any one of the temperature control devices.
Compared with the prior art, the invention has at least the following beneficial effects:
the automatic temperature control device is provided with the self-calibration unit, the temperature sampling unit and the self-calibration switch, and can automatically calibrate the temperature-resistance relation of the heating element, so that the temperature control of the smoking set is more accurate, the heating element can be conveniently replaced in the later period, manual calibration of the smoking set is not needed in production, the production process is simplified, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic block diagram of a temperature control device for electrically heating a non-burning smoking article;
FIG. 2 is a circuit diagram of an embodiment of a resistance detection unit;
fig. 3 is a circuit diagram of an embodiment of a temperature sampling unit.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to fig. 1, the temperature control device of the electric heating non-combustion smoking set comprises: the smoking set comprises a heating element 1 of the smoking set, a resistance value detection unit 2, a power control unit 3, a main control unit 4, a temperature sampling unit 5, a self-calibration unit 6 and a calibration switch 7.
The resistance value of the heating element 1 changes with the temperature change, and a ceramic heating element coated with a functional layer may be used, or a heating element made of other materials with resistance values changing with the temperature, such as a heating element made of a semiconductor material, may also be used. These heating elements are currently commercially available.
The resistance value detection unit 2 is connected to the heating element 1, and is configured to detect a resistance value of the heating element 1. One specific circuit is shown in fig. 2. As shown in fig. 2, the resistance value detecting unit 2 includes a first voltage-dividing resistor Rs, the first voltage-dividing resistor Rs and the heating element 1 are connected in series to form a first series branch, one end of the first series branch is grounded GND, the other end is connected to the power source VCC, and a common end of the first voltage-dividing resistor Rs and the heating element 1 is an output end of the resistance value detecting unit 2. The detection principle is as follows: the first voltage dividing resistor Rs is a standard resistor with a known resistance, the main control unit 4 can obtain the voltage V across the heating element 1 and the voltage V1 across the first voltage dividing resistor Rs through the output end of the resistance detection unit 2, the current I in the first series branch can be obtained through calculation of the formula I ═ V1/Rs, and then the resistance of the heating element 1 can be obtained through calculation of the formula R ═ V/I. The resistance value detection unit 2 shown in fig. 2 has a simple structure, and can effectively save cost.
The power control unit 3 is connected to the heating element 1 for controlling the power of the heating element 1. The power control unit 3 adopts a power switch tube, such as a field effect tube, etc., the main control unit 4 outputs a PWM (pulse width modulation) signal to control the power switch tube to work, and further controls the power of the heating element 1, the larger the pulse width is, the larger the power will be, otherwise, the smaller the power will be.
The main control unit 4 is respectively connected with the power control unit 3 and the resistance value detection unit 2, and is configured to sample the resistance value of the heating element 1 and control the power of the heating element 1 after processing. The specific treatment comprises the following steps: according to the temperature-resistance relation of the heating element 1, reversely deducing a temperature value by using the sampled resistance value of the heating element 1, comparing the temperature value with a target temperature, then adjusting the PWM signal, and increasing the pulse width of the PWM signal according to a set step length when the temperature value is less than the target temperature, otherwise, decreasing the pulse width of the PWM signal.
The temperature sampling unit 5 is connected with the main control unit 4, is in physical contact with the heating element 1, and is used for sampling the standard temperature of the heating element 1. One specific circuit is shown in fig. 3. As shown in fig. 3, the temperature sampling unit 5 includes a thermistor RT1 and a second voltage-dividing resistor R01, the thermistor RT1 and the second voltage-dividing resistor R01 are connected in series to form a second series branch, one end of the second series branch is connected to the ground GND, the other end is connected to the power VCC, and the common end of the thermistor RT1 and the second voltage-dividing resistor R01 is the output end of the temperature sampling unit 5. The main control unit 4 is connected with the output end of the temperature sampling unit 5, the resistance value of the thermistor RT1 can be measured through a voltage division-proportion method, and then the standard temperature of the current heating element 1 is calculated through a temperature-resistance value relation table of the thermistor RT 1. The temperature sampling unit 5 has the characteristics of simple structure and low cost. Other temperature sensors may be used for the temperature sampling unit 5 of the present invention.
The self-calibration unit 6 calibrates the temperature-resistance relationship of the heating element 1 using the standard temperature sampled by the temperature sampling unit 5. Specifically, the temperature sampling unit 5 samples an initial standard temperature, on the other hand, the resistance value detection unit 2 detects the resistance value of the heating element 1 at that time, the main control unit 4 reversely deduces a temperature value according to the temperature-resistance relationship of the heating element 1 by using the resistance value, the self-calibration unit 6 calculates the ratio of the calculated temperature value and the standard temperature, the ratio is used as a temperature calibration coefficient and stored, and in the subsequent temperature measurement process, the temperature-resistance relationship of the heating element 1 is calibrated by using the temperature calibration coefficient, so that the obtained temperature is more accurate. For example, let: the temperature calibration coefficient is k, and if it is detected that the resistance value of the heating element 1 is a and the temperature corresponding to the resistance value a in the temperature-resistance relationship is b, the temperature corresponding to the resistance value a after calibration is k × b. The self-calibration unit 6 is implemented by software, preferably arranged inside the main control unit 4.
The calibration switch 7 is used for controlling the self-calibration unit 6 and the temperature sampling unit 5. When the smoking set is used for the first time, or after a heating element is replaced, or under other conditions needing calibration, the self-calibration unit 6 and the temperature sampling unit 5 are controlled to work through the calibration switch 7, so that self-calibration is carried out. Otherwise the self calibration unit 6 and the temperature sampling unit 5 are not operated. The calibration switch may be a mechanical switch, a touch switch, or the like.
The temperature control device further comprises an operating state indicating unit 8 for displaying the operating state, and the operating state indicating unit 8 is preferably an LCD or an LED.
Therefore, the temperature control device of the electric heating non-combustion smoking set can automatically calibrate the temperature-resistance relation of the heating element due to the configuration of the self-calibration unit, the temperature sampling unit and the self-calibration switch, so that the temperature control of the smoking set is more accurate, the heating element can be conveniently replaced in the later period, the smoking set does not need to be manually calibrated in production, the production process is simplified, and the production efficiency is improved.
The temperature control device can be applied to the existing electric heating non-combustion smoking set, and the electric heating non-combustion smoking set with the self-calibration function is formed.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for the purpose of helping those skilled in the art understand the present invention, and is not to be construed as limiting the scope of the present invention. Various modifications, equivalent changes, etc. made by those skilled in the art under the spirit of the present invention shall be included in the protection scope of the present invention.
Claims (6)
1. A temperature control device for an electrically heated non-burning smoking article, comprising:
the resistance value of the heating element changes along with the temperature change of the heating element;
the power control unit is connected with the heating element;
a resistance value detection unit connected to the heating element; and
the main control unit is respectively connected with the power control unit and the resistance value detection unit and is used for sampling the resistance value of the heating element and controlling the power of the heating element after processing;
characterized in that, the temperature control device further comprises:
the temperature sampling unit is connected with the main control unit, is in physical contact with the heating element and is used for sampling the standard temperature of the heating element;
the self-calibration unit is used for calculating the ratio of the calculated temperature of the heating element to the standard temperature in the self-calibration state, storing the ratio as a temperature calibration coefficient, and calibrating the temperature-resistance relation of the heating element by using the temperature calibration coefficient in the subsequent temperature measurement process; and
and the calibration switch is used for controlling the self-calibration unit and the temperature sampling unit to work and entering a self-calibration state, wherein the estimated temperature is a temperature value reversely deduced by using the resistance value of the sampled heating element according to the temperature-resistance relation of the heating element.
2. The temperature control device of an electrically heated non-burning smoking article of claim 1, wherein: the self-calibration unit is arranged inside the main control unit.
3. The temperature control device of an electrically heated non-burning smoking article of claim 1, wherein: resistance value detecting element includes first divider resistance Rs, first divider resistance Rs with heating element establishes ties and constitutes first series branch, the one end ground connection of first series branch, another termination power, first divider resistance Rs with heating element's common port does resistance value detecting element's output.
4. The temperature control device of an electrically heated non-burning smoking article of claim 1, wherein: the temperature sampling unit includes thermistor RT1 and second divider resistance R01, thermistor RT1 and second divider resistance R01 establish ties and constitute the second and establish ties the branch road, the one end ground connection of second series connection branch road, another termination power, thermistor RT1 with second divider resistance R01's common port does the output of temperature sampling unit.
5. The temperature control device of an electrically heated non-burning smoking article of claim 1, wherein: the temperature control device further comprises a working state indicating unit.
6. An electrically heated non-combustible smoking article comprising a temperature control device, wherein the temperature control device is as claimed in any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141825.XA CN109043675B (en) | 2018-09-28 | 2018-09-28 | Electric heating non-combustible smoking set and temperature control device thereof |
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| CN201811141825.XA CN109043675B (en) | 2018-09-28 | 2018-09-28 | Electric heating non-combustible smoking set and temperature control device thereof |
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| CN109043675A CN109043675A (en) | 2018-12-21 |
| CN109043675B true CN109043675B (en) | 2021-05-07 |
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| CN110531159B (en) * | 2018-05-25 | 2022-04-19 | 深圳御烟实业有限公司 | Resistance detection system and method |
| CN111351985B (en) * | 2018-12-24 | 2022-02-11 | 深圳御烟实业有限公司 | Resistance detection system and method |
| CN109805451A (en) * | 2018-12-29 | 2019-05-28 | 惠州市新泓威科技有限公司 | Invariable power anti-dry electronic cigarette and its control method |
| CN109645571B (en) * | 2019-01-04 | 2023-10-13 | 深圳麦克韦尔科技有限公司 | Heating non-combustion device, heating assembly and calibration method thereof |
| KR102278590B1 (en) * | 2019-04-18 | 2021-07-16 | 주식회사 케이티앤지 | Aerosol Generating Device and Operation Method Thereof |
| CN111838756A (en) * | 2019-04-30 | 2020-10-30 | 上海新型烟草制品研究院有限公司 | Aerosol generating device, temperature adjusting method, system, equipment and storage medium thereof |
| CN110074465A (en) * | 2019-05-20 | 2019-08-02 | 深圳市合元科技有限公司 | Electronic cigarette and its control method and atomizer |
| CN110179160A (en) * | 2019-05-28 | 2019-08-30 | 筑思有限公司 | Calibration method, mouthfeel adjusting method and electronic cigarette for electronic cigarette |
| CN110771960A (en) * | 2019-09-12 | 2020-02-11 | 深圳麦时科技有限公司 | Electronic smoking set, heating method thereof and computer storage medium |
| JP6667709B1 (en) | 2019-10-24 | 2020-03-18 | 日本たばこ産業株式会社 | Power supply unit for aerosol inhaler |
| JP6855611B1 (en) | 2020-03-05 | 2021-04-07 | 日本たばこ産業株式会社 | Controller for aspirator |
| CN112649094B (en) * | 2020-10-28 | 2022-12-02 | 深圳市吉迩科技有限公司 | Temperature adjusting method and aerosol generating device |
| CN112754084A (en) * | 2021-03-11 | 2021-05-07 | 河南中烟工业有限责任公司 | Advanced-triggering smoking set heating control method |
| CN113455706A (en) * | 2021-08-23 | 2021-10-01 | 湖南中烟工业有限责任公司 | Smoking set heater calibration system and calibration method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204560957U (en) * | 2015-01-21 | 2015-08-19 | 惠州市吉瑞科技有限公司 | A kind of electronic cigarette |
| CN205456048U (en) * | 2015-12-14 | 2016-08-17 | 深圳市合元科技有限公司 | The heating element , atomizer and electron cigarette |
| CN105686087B (en) * | 2016-03-17 | 2019-03-26 | 深圳麦克韦尔股份有限公司 | Electronic cigarette control circuit and control method, electronic cigarette |
| CN106820275A (en) * | 2017-03-22 | 2017-06-13 | 颐中（青岛）实业有限公司 | A kind of temperature control electronic cigarette for being adapted to various heating wires |
| CN107510096A (en) * | 2017-09-27 | 2017-12-26 | 深圳市舜宝科技有限公司 | A kind of temperature control system of electronic cigarette fever tablet |
| CN108552599A (en) * | 2018-05-08 | 2018-09-21 | 深圳市博迪科技开发有限公司 | A kind of changeable type electronic cigarette baking heat generating component and electronic cigarette |
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