CN109683021A - Electronic smoke atomizer impedance detection method - Google Patents
Electronic smoke atomizer impedance detection method Download PDFInfo
- Publication number
- CN109683021A CN109683021A CN201811615624.9A CN201811615624A CN109683021A CN 109683021 A CN109683021 A CN 109683021A CN 201811615624 A CN201811615624 A CN 201811615624A CN 109683021 A CN109683021 A CN 109683021A
- Authority
- CN
- China
- Prior art keywords
- atomizer
- module
- pwm
- constant current
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 239000000779 smoke Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 7
- 239000003571 electronic cigarette Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
This application provides a kind of electronic smoke atomizer impedance detection method, the method apply with electronic atomizer circuit, the circuit includes: key circuit, main control chip, lithium battery, power tube PMOS, atomizer circuit；The main control chip integrates constant current source module, ADC acquisition module and PWM module；Wherein, one end of the constant current source module and ADC acquisition module and atomizer connects, the pwm signal of the PWM module control PMOS of the main control chip；Described method includes following steps: after receiving the closure signal of key circuit, controlling constant current source module output constant current electric current, control PWM module exports 100% duty ratio pwm signal；It opens ADC acquisition module and acquires AD value a, calculate atomizer voltage value v according to a；Atomizer impedance R is calculated according to voltage value v.The advantage that technical solution provided by the present application has impedance detection accurate, at low cost.
Description
Technical field
This application involves electronic cigarette technical fields, and in particular to a kind of electronic smoke atomizer impedance detection method.
Background technique
Electronic cigarette is more more and more universal at present, and the requirement for atomizer impedance detection is higher and higher.Atomizer impedance detection
Whether normal facilitate detection atomizer work, plays the role of safeguard protection.On the other hand, for the electronic cigarette of temperature control type,
It can be by achieving the purpose that temperature control to atomizer impedance detection.
Apply for content
The embodiment of the present application provides a kind of electronic smoke atomizer impedance detection method, improves battery by cell panel structure
Capacity, meet the requirement of user.
In a first aspect, the embodiment of the present application provides a kind of electronic smoke atomizer impedance detection method, the method apply with
Electronic atomizer circuit, the circuit include: key circuit, main control chip, lithium battery, power tube PMOS, atomizer circuit；Institute
It states main control chip and integrates constant current source module, ADC acquisition module and PWM module；Wherein, the constant current source module and ADC acquire mould
The connection of one end of block and atomizer, the pwm signal of the PWM module control PMOS of the main control chip；The method includes as follows
Step:
After receiving the closure signal of key circuit, constant current source module output constant current electric current is controlled, control PWM module is defeated
100% duty ratio pwm signal out；
It opens ADC acquisition module and acquires AD value a, calculate atomizer voltage value v according to a；Atomizer is calculated according to voltage value v
Impedance R.
Optionally, a calculates atomizer voltage value v and specifically includes:
V=(a/2n)*Vref；
Wherein, n is the digit of ADC acquisition module, and Vref is the voltage value of battery.
Optionally, described to be specifically included according to voltage value v calculating atomizer impedance R:
R=V*1000/x；
Wherein, x is Constant Electric Current flow valuve.
Optionally, the n is 12.
Optionally, the x is 50.
Optionally, the method also includes:
Temperature control is carried out to the atomizer according to the R value.
Implement the embodiment of the present application, has the following beneficial effects:
It can be seen that novel electronic cigarette atomizer impedance detection method provided by the present application, be greatly improved atomizer resistance
Anti- detection accuracy helps to promote security reliability, has temperature control effect good, peripheral components are few, the spy of processing easy to produce
Point.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of electronic smoke atomizer impedance detection method provided by the embodiments of the present application.
Fig. 2 is positive plate honeycomb structure schematic diagram provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Based on this Shen
Please in embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall in the protection scope of this application.
The description and claims of this application and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Atomizer impedance detection method is all based on the market mostly at present and is examined using external sampling resistance mode
It surveys, that is, needs external triode Q1, a sampling resistor R1, two conventional, electric-resistances R2, R3.Purpose is to pass through sampling
Ohmer calculates the electric current for flowing through atomizer, and the resistance of atomizer is calculated finally by the voltage above acquisition atomizer
It is anti-.This atomizer impedance detection mode calculates cumbersome for 8 common MCU, and whole component number is on the high side,
It is not easy to processing and debugging.
The application provides a kind of novel electronic cigarette atomizer impedance detection method, is greatly improved atomizer impedance detection essence
The characteristics of exactness helps to promote security reliability, has temperature control effect good, and peripheral components are few, processing easy to produce.
Above-mentioned electronic smoke atomizer impedance detection circuit is as shown in Figure 1, include key circuit 1, main control chip 2, lithium battery
3, power tube PMOS4, atomizer circuit 5；
Optionally, above-mentioned main control chip integrates constant current source module 21, ADC acquisition module 22 and PWM module.
Wherein, the constant current source module 21 and ADC acquisition module 22 are connect with one end of atomizer 5, the main control chip
PWM module control PMOS pwm signal.
Further, the exportable 50mA fixed current of constant current source module, output current precision can reach 1%.
Further, ADC module is 12 bit length ADC.
Further, constant current source module output can be communicated with the outside with ADC module by the same I/O port, and can be simultaneously
Open work.
Preferably, lithium battery includes rigid shell mould lithium battery and Soft Roll type lithium battery.
Preferably, power tube is generally PMOS tube, and internal resistance is in 8m Ω -- between 30m Ω.
Preferably, atomizer material includes titanium, nickel, stainless steel material.If electronic cigarette will carry out temperature control, selection
Atomizer material has correlation with temperature.
Referring to Fig.2, Fig. 2 provides a kind of electronic smoke atomizer impedance detection method, this method apply with it is as shown in Figure 1
Circuit.This method is as shown in Fig. 2, include the following steps:
Step 201: opening constant-current source output
When main control chip is detected by key pressing, main control chip controls the PWM closing that PWM module exports 100% duty ratio
Power tube opens constant current source module output function, 50mA electric current is output to atomizer.
Step 202: acquisition calculates the voltage above atomizer
After the output of constant current source module is stablized, ADC module detection function is opened, corresponding AD value is a back for acquisition, calculates mist
Change the voltage on device:
V=a/4096*Vref
Step 203: calculating atomizer impedance
R=V*1000/50=V*20=(20*a*Vref)/4096 (unit m Ω)
Judge that the output of constant current source module is then closed in atomizer impedance in the normal range, control PWM module output centainly accounts for
Sky ratio PWM controls power tube output, atomizer heating
Further, PWM frequency is less than 100HZ.
Step 304: persistently detecting atomizer impedance and carry out temperature control
PWM module control power tube during, the power tube down periods, open constant current source module repeat step 201,202,
203 carry out atomizer impedance detection, adjust PWM duty cycle according to the variation of atomizer impedance, are finally reached thermostatically controlled effect
Fruit.
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (6)
1. a kind of electronic smoke atomizer impedance detection method, which is characterized in that the method is applied and electronic atomizer circuit, institute
Stating circuit includes: key circuit, main control chip, lithium battery, power tube PMOS, atomizer circuit；The integrated perseverance of the main control chip
Flow source module, ADC acquisition module and PWM module；Wherein, one end of the constant current source module and ADC acquisition module and atomizer
Connection, the pwm signal of the PWM module control PMOS of the main control chip；Described method includes following steps:
After receiving the closure signal of key circuit, constant current source module output constant current electric current, control PWM module output are controlled
100% duty ratio pwm signal；
It opens ADC acquisition module and acquires AD value a, calculate atomizer voltage value v according to a；Atomizer impedance is calculated according to voltage value v
R。
2. being specifically included the method according to claim 1, wherein a calculates atomizer voltage value v:
V=(a/2n)*Vref；
Wherein, n is the digit of ADC acquisition module, and Vref is the voltage value of battery.
3. the method according to claim 1, wherein described specifically wrap according to voltage value v calculating atomizer impedance R
It includes:
R=V*1000/x；
Wherein, x is Constant Electric Current flow valuve.
4. according to the method described in claim 2, it is characterized in that,
The n is 12.
5. according to the method described in claim 3, it is characterized in that,
The x is 50.
6. the method according to claim 1, wherein the method also includes:
Temperature control is carried out to the atomizer according to the R value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615624.9A CN109683021A (en) | 2018-12-27 | 2018-12-27 | Electronic smoke atomizer impedance detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615624.9A CN109683021A (en) | 2018-12-27 | 2018-12-27 | Electronic smoke atomizer impedance detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683021A true CN109683021A (en) | 2019-04-26 |
Family
ID=66190735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615624.9A Pending CN109683021A (en) | 2018-12-27 | 2018-12-27 | Electronic smoke atomizer impedance detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109683021A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374251A (en) * | 2022-03-18 | 2022-04-19 | 南京芯圣电子科技有限公司 | Constant-power output type electronic cigarette control chip and working method thereof |
| CN115624208A (en) * | 2022-10-27 | 2023-01-20 | 深圳市江威科技有限公司 | Automatic matching system and method for electronic cigarette smoking modes |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3189866B2 (en) * | 1995-12-04 | 2001-07-16 | 横河電機株式会社 | Resistance meter calibration device |
| CN202383206U (en) * | 2011-12-23 | 2012-08-15 | 湖北易瓦特科技有限公司 | Direct-current resistance tester of transformer |
| CN203941232U (en) * | 2014-06-11 | 2014-11-12 | 昂纳自动化技术（深圳）有限公司 | A kind of atomizer resistance on-line measuring device |
| CN204166051U (en) * | 2014-08-05 | 2015-02-18 | 刘秋明 | Electronic cigarette device for detecting performance |
| CN204359865U (en) * | 2014-12-08 | 2015-05-27 | 深圳市海派特光伏科技有限公司 | A kind of electronic cigarette tester |
| CN205695691U (en) * | 2015-12-30 | 2016-11-23 | 湖南中烟工业有限责任公司 | A kind of electronic smoke atomizer and electronic cigarette |
-
2018
- 2018-12-27 CN CN201811615624.9A patent/CN109683021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3189866B2 (en) * | 1995-12-04 | 2001-07-16 | 横河電機株式会社 | Resistance meter calibration device |
| CN202383206U (en) * | 2011-12-23 | 2012-08-15 | 湖北易瓦特科技有限公司 | Direct-current resistance tester of transformer |
| CN203941232U (en) * | 2014-06-11 | 2014-11-12 | 昂纳自动化技术（深圳）有限公司 | A kind of atomizer resistance on-line measuring device |
| CN204166051U (en) * | 2014-08-05 | 2015-02-18 | 刘秋明 | Electronic cigarette device for detecting performance |
| CN204359865U (en) * | 2014-12-08 | 2015-05-27 | 深圳市海派特光伏科技有限公司 | A kind of electronic cigarette tester |
| CN205695691U (en) * | 2015-12-30 | 2016-11-23 | 湖南中烟工业有限责任公司 | A kind of electronic smoke atomizer and electronic cigarette |
Non-Patent Citations (2)
| Title |
|---|
| 朱东来 等: "温度控制电子烟", 《电子烟》 * |
| 贾存良: "ADC简介", 《微机原理与应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374251A (en) * | 2022-03-18 | 2022-04-19 | 南京芯圣电子科技有限公司 | Constant-power output type electronic cigarette control chip and working method thereof |
| CN115624208A (en) * | 2022-10-27 | 2023-01-20 | 深圳市江威科技有限公司 | Automatic matching system and method for electronic cigarette smoking modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100526870C (en) | Diagnosis for expected life of emergency power apparatus | |
| CN102967831B (en) | On-line detection system and detection method of lead-acid storage battery performance | |
| CN101655545B (en) | On-site verifying method of electric energy meter | |
| CN114563674B (en) | A kind of insulation detection device and method applied to energy storage system | |
| CN106768459B (en) | A kind of Temperature and Humidity circuit and control method | |
| CN104569607A (en) | Direct current insulation monitoring method and device | |
| CN103472400A (en) | Acquiring method and system for battery life of mobile terminal | |
| CN101533047B (en) | AC milliohm meter based on complex programmable logic device, and measurement method therefor | |
| CN107783047A (en) | Battery internal resistance detection device, detection method and battery state monitoring system | |
| CN109683021A (en) | Electronic smoke atomizer impedance detection method | |
| CN104502665A (en) | Device and method for testing residual voltage | |
| CN206074693U (en) | Insulating resistor detecting circuit | |
| CN206906554U (en) | A kind of BMS single battery cores health parameters test system | |
| WO2019140956A1 (en) | Electricity quantity metering accuracy detection method, device and computer storage medium | |
| CN109374148A (en) | A temperature measuring device and measuring method | |
| CN104777368B (en) | AC frequency conversion stake resistance on-line computing model and detection method | |
| CN102508085B (en) | Full-automatic SPD (Surge Protective Device) thermal stabilizer based on FPGA (Field Programmable Gate Array) control and a testing method thereof | |
| CN106932731A (en) | Method for detecting internal resistance of each storage battery in series storage battery pack | |
| CN108765747B (en) | Metering method for super power factor electric quantity | |
| CN106017717B (en) | Thermistor temperature sensor | |
| CN206132852U (en) | Digital frequency meter | |
| CN114200381A (en) | System and method for detecting reliability of intelligent electric meter | |
| CN206038895U (en) | Harmonic is multichannel error calculation device for electric energy meter verification | |
| CN206773040U (en) | A kind of intelligent electric energy meter | |
| CN218586915U (en) | Multi-chip cascade power consumption difference eliminating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
|
| RJ01 | Rejection of invention patent application after publication |