CN104635813A - Method for adaptively controlling atomization - Google Patents
Method for adaptively controlling atomization Download PDFInfo
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- CN104635813A CN104635813A CN201410671382.0A CN201410671382A CN104635813A CN 104635813 A CN104635813 A CN 104635813A CN 201410671382 A CN201410671382 A CN 201410671382A CN 104635813 A CN104635813 A CN 104635813A
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- 238000000889 atomisation Methods 0.000 title claims abstract description 28
- 239000007788 liquids Substances 0.000 claims abstract description 38
- 239000007921 sprays Substances 0.000 claims abstract description 35
- 230000000051 modifying Effects 0.000 claims abstract description 13
- 230000003534 oscillatory Effects 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 8
- 238000004364 calculation methods Methods 0.000 claims description 6
- 239000003814 drugs Substances 0.000 abstract description 7
- 230000002349 favourable Effects 0.000 abstract 1
- 231100000486 side effect Toxicity 0.000 abstract 1
- 239000003570 air Substances 0.000 description 7
- 238000000034 methods Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000011901 water Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000003111 delayed Effects 0.000 description 2
- 239000003897 fog Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- 239000000443 aerosols Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000919 ceramics Substances 0.000 description 1
- 239000003153 chemical reaction reagents Substances 0.000 description 1
- 238000006243 chemical reactions Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 201000010099 diseases Diseases 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particles Substances 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007858 starting materials Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 239000002699 waste materials Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwJyBoZWlnaHQ9JzMwMCcgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgZG9taW5hbnQtYmFzZWxpbmU9ImNlbnRyYWwiIHRleHQtYW5jaG9yPSJlbmQiIHg9JzE2NC4yNzknIHk9JzE1Ni42JyBzdHlsZT0nZm9udC1zaXplOjQwcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7ZmlsbDojRTg0MjM1JyA+PHRzcGFuPkg8L3RzcGFuPjx0c3BhbiBzdHlsZT0nYmFzZWxpbmUtc2hpZnQ6c3ViO2ZvbnQtc2l6ZTozMHB4Oyc+MjwvdHNwYW4+PHRzcGFuPk88L3RzcGFuPjwvdGV4dD4KPC9zdmc+Cg== data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
Technical field
The present invention relates to a kind of self-adaptation atomization control method, belong to atomization control method technical field.
Background technology
Atomizer, sometimes also referred to as sprayer, is generate thin spraying or the equipment of aerosol by liquid.The Main Function of atomizer is to provide the thin spraying containing medicine particle that is that dissolve or that suspend, and patient contains the spraying disease therapy of medicine by sucking.
Application number is 201280064229.0, the applying date is application discloses a kind of atomizer external member on October 9th, 2012 to have: housing (100), it comprises pressurized air ingress pipe (113), the leading section, top (113a) of this pressurized air ingress pipe (113) is formed for spraying compressed-air actuated nozzle bore (115), aspiration path organizator (200H), it is formed liquid leading section (113a) aspiration path (220) of aspirating upward, and form atomization portion at the exit region of nozzle bore (115), stream organizator, it comprises gasoloid escape hole, aspiration path (220) comprising: the first aspiration path (221), its outer peripheral face along pressurized air ingress pipe (113) (113b) extends upward, second aspiration path (222), it extends from aspiration path (221) to nozzle bore (115) side in the front of pressurized air ingress pipe (113), comprises the liquid sucting port (240) for spraying aforesaid liquid, in the top of the liquid sucting port (240) of aspiration path organizator (200H), be provided with the upper angled face region (270) close to aspiration path (221) side along direction upward.
Application number is 201380007601.9, and the applying date is disclose a kind of portable vaporization device on March 26th, 2013, and described atomising device comprises battery case, atomizer, main body cover, control part and soakage adjusting portion.Battery case is used for depositing battery, and atomizer is electrically connected with battery, and this atomizer comprises the heater block for generation of making starting material be atomized heat.Main body cover combines with battery case, atomizer between battery case and atomizer.Further, control part holds the inside being arranged on main body cover, is electrically connected, and accepts electric power from battery with battery, heater block, controls the output signal exported to heater block side.Further, soakage adjusting portion opens or closes the amount that the air inflow aperture leading to atomizer side from outside regulates the air to atomizer side inflow.
The ultrasonic atomizer used clinically at present, just changes working current by adjustment potentiometer, adjusts atomization quantity or atomized liquid temperature.Adjust to how many, patient can be made to feel more comfortable, not a standard.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of self-adaptation atomization control method, it can according to the demand of different user, gather temperature and the flow of atomization liquid, adopt fuzzy algorithm automatic circuit, make output more stable, make treatment more accurate, reduce spinoff.
The present invention adopts following technical scheme for solving its technical matters:
A kind of self-adaptation atomization control method, comprises the steps:
(1) according to the different requirements of patient, by multiplier preset temperature value and spray amount, detected the temperature of atomized liquid by temperature sensor, after A/D converter, the digital signal obtained and the temperature value preset are compared output temperature deviation signal;
(2) flow sensor detects atomizer spray amount, after A/D converter, the digital signal obtained is compared with the temperature value preset and exports spray amount deviation signal;
(3) temperature error signal is obtained rate of temperature change signal through differential calculation, spray drift signal is obtained spraying rate of change signal through differential calculation, by above-mentioned two kinds of signals input fuzzy controller;
(4) fuzzy controller is treated is converted to PWM modulation signal, and passes to ultrasonic atomizatio mechanism, and ultrasonic atomizatio mechanism is determined value according to the atomized liquid temperature of the signal output received and spray amount;
(5) after fuzzy controller carries out Fuzzy processing to the received signal, carry out fuzzy Judgment according to fuzzy control rule, and determine whether sending atomized liquid temperature and the spray amount that new PWM modulation signal controls output according to judged result.
As a preferred technical solution of the present invention: described fuzzy Judgment to as if the atomized liquid temperature that presets and spray amount and the actual atomized liquid temperature that detects of sensor and spray amount.
As a preferred technical solution of the present invention: described in the atomized liquid temperature that presets consistent with spray amount with the actual atomized liquid temperature detected of spray amount and sensor time, do not send new PWM modulation signal; ; When both are inconsistent, fuzzy controller sends new PWM modulation signal.
As a preferred technical solution of the present invention: described ultrasonic atomizatio mechanism comprises atomizing piece, power driving circuit, adjustable RC oscillatory circuit, and adjustable RC oscillatory circuit, power driving circuit, atomizing piece and power supply are linked in sequence.
As a preferred technical solution of the present invention: described ultrasonic atomizatio mechanism also comprises waveform changing circuit, described waveform changing circuit is connected with power driving circuit, adjustable RC oscillatory circuit respectively.
As a preferred technical solution of the present invention: a scan period of the output signal of described adjustable RC oscillatory circuit is 50ms, this output signal side frequency difference is 0.5KHz.
A kind of self-adaptation atomization control method of the present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) the present invention adopts fuzzy control theory, does not rely on the mathematical models of controlled device.Utilize the relation that control law comes between descriptive system variable.Descriptive system is carried out by the fuzzy variable of languages type without numerical value.Simplify the complicacy of system, be specially adapted to non-linear, time become, the control of delayed, the incomplete system of model.
(2)this invention removes the fluctuation problem caused in Traditional control process, make the temperature of atomized liquid and atomization quantity keep stable, making patient when receiving nebulae inhalation, feeling more comfortable.
(3) present invention employs temperature sensor and flow sensor is monitored in real time to the fog that ultrasonic atomizer exports, make fuzzy controller can infer the most rational control model according to atomized liquid temperature and the spray amount in the unit interval, ensure that patient sucks the more comfortable mist amount of output that makes more stable, make treatment more accurate, reduce spinoff, be conducive to the rehabilitation of patient.
(4) the present invention is by adjustable RC oscillatory circuit, and the frequency of output signal is not fixed on a certain concrete value, solves ultrasonic atomizatio and can produce frequency shift (FS) and cause atomizing piece to be difficult to be operated in the problem of best vibrating state in atomizing piece ageing process.
(5) atomization portion of the present invention also comprises waveform changing circuit, namely the resonant frequency signal exported can carry out waveform transformation, exportable sine wave, triangular wave or square wave etc. give atomizing piece, generate working state signal, then carried atomizing effect by adjustment part by gathering waveform parameter.
Embodiment
Below the invention is described in further details.
A kind of self-adaptation atomization control method, comprises the steps:
(1) according to the different requirements of patient, by multiplier preset temperature value and spray amount, detected the temperature of atomized liquid by temperature sensor, after A/D converter, the digital signal obtained and the temperature value preset are compared output temperature deviation signal;
(2) flow sensor detects atomizer spray amount, after A/D converter, the digital signal obtained is compared with the temperature value preset and exports spray amount deviation signal;
(3) temperature error signal is obtained rate of temperature change signal through differential calculation, spray drift signal is obtained spraying rate of change signal through differential calculation, by above-mentioned two kinds of signals input fuzzy controller;
(4) fuzzy controller is treated is converted to PWM modulation signal, and passes to ultrasonic atomizatio mechanism, and ultrasonic atomizatio mechanism is determined value according to the atomized liquid temperature of the signal output received and spray amount;
(5) after fuzzy controller carries out Fuzzy processing to the received signal, carry out fuzzy Judgment according to fuzzy control rule, and determine whether sending atomized liquid temperature and the spray amount that new PWM modulation signal controls output according to judged result.
As a preferred technical solution of the present invention: described fuzzy Judgment to as if the atomized liquid temperature that presets and spray amount and the actual atomized liquid temperature that detects of sensor and spray amount.
As a preferred technical solution of the present invention: described in the atomized liquid temperature that presets consistent with spray amount with the actual atomized liquid temperature detected of spray amount and sensor time, do not send new PWM modulation signal; ; When both are inconsistent, fuzzy controller sends new PWM modulation signal.
As a preferred technical solution of the present invention: described ultrasonic atomizatio mechanism comprises atomizing piece, power driving circuit, adjustable RC oscillatory circuit, and adjustable RC oscillatory circuit, power driving circuit, atomizing piece and power supply are linked in sequence.
As a preferred technical solution of the present invention: described ultrasonic atomizatio mechanism also comprises waveform changing circuit, described waveform changing circuit is connected with power driving circuit, adjustable RC oscillatory circuit respectively.
As a preferred technical solution of the present invention: a scan period of the output signal of described adjustable RC oscillatory circuit is 50ms, this output signal side frequency difference is 0.5KHz.
The present invention adopts fuzzy control theory, does not rely on the mathematical models of controlled device.Utilize the relation that control law comes between descriptive system variable.Descriptive system is carried out by the fuzzy variable of languages type without numerical value.Simplify the complicacy of system, be specially adapted to non-linear, time become, the control of delayed, the incomplete system of model.Fuzzy controller is a speech path controller, and convenient operation librarian use natural language carries out man-machine conversation.Fuzzy controller is the comparatively ideal gamma controller of a kind of easy control, grasp, has preferably robustness, adaptability, robustness (Robustness) and preferably fault-tolerance (Fault Tolerance).
This invention removes the fluctuation problem caused in Traditional control process, make the temperature of atomized liquid and atomization quantity keep stable, making patient when receiving nebulae inhalation, feeling more comfortable.
Atomising device in the present invention adopts ultrasonic atomizatio principle.Ultrasonic ultrasonic delay line memory utilizes electronics high frequency oscillation, and (oscillation frequency is 1.7MHz or 2.4MHz, exceed the audibility range of people, this electronic oscillation absolutely not injures human body and animal), by the high-frequency resonant of ceramic atomizing piece, liquid water molecules structure broken up and produces the elegant water smoke of nature, do not need heating or add any chemical reagent.With heating atomization Method compare, energy saving 90%.Ultrasonic atomization technique is applied to the ultimate principle of medical aspect: the oscillator signal from main circuit board is carried out energy amplification by large power triode, pass to ultrasonic wafer, ultrasound wave wafer is ultrasonic energy electric energy conversion, ultrasonic energy can be atomized into water soluble drug the small droplet of 1um to 5um at normal temperatures, take water as medium, utilize ultrasonic directed pressure by water-soluble liquid atomisation, by inner fan wind-force, liquid is sprayed into patient airway, sucked by patient again, directly act on focus, be mainly used in internal medicine, surgery, department of eye, the aspects such as paediatrics.
Present invention employs temperature sensor and flow sensor is monitored in real time to the fog that ultrasonic atomizer exports, make fuzzy controller can infer the most rational control model according to atomized liquid temperature and the spray amount in the unit interval, ensure that patient sucks the more comfortable mist amount of output that makes more stable, make treatment more accurate, reduce spinoff, be conducive to the rehabilitation of patient.
In the present invention, test section is used for the state (exhale, air-breathing) of the breathing detecting user.Further, only atomization is performed when air-breathing by atomization portion.In present embodiment, such as, can detect breathing state by pressure transducer, judge that user is in suction condition or is in expiration state by different force value, avoid the waste of atomization resource.
The present invention is by adjustable RC oscillatory circuit, and the frequency namely outputed signal is not fixed on a certain concrete value, solves ultrasonic atomizatio and can produce frequency shift (FS) and cause atomizing piece to be difficult to be operated in the problem of best vibrating state in atomizing piece ageing process.
The frequency of the output signal of described adjustable RC oscillatory circuit arranges in the mode of arithmetic progression, no matter how the current resonance frequency of this atomizing piece changes, always can find a best frequency of operation point.A scan period of the output signal of described adjustable RC oscillatory circuit is 50ms, this output signal side frequency difference is 0.5KHz, therefore, within a scan period, atomizing piece all can have best frequency of operation point, therefore ensure that atomizing piece can be operated in best vibrating state.
Atomization portion of the present invention also comprises waveform changing circuit, namely the resonant frequency signal exported can carry out waveform transformation, exportable sine wave, triangular wave or square wave etc. give atomizing piece, generate working state signal, then carried atomizing effect by adjustment part by gathering waveform parameter.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410671382.0A CN104635813A (en) | 2014-11-21 | 2014-11-21 | Method for adaptively controlling atomization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410671382.0A CN104635813A (en) | 2014-11-21 | 2014-11-21 | Method for adaptively controlling atomization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749385A (en) * | 2016-02-01 | 2016-07-13 | 北京怡和嘉业医疗科技有限公司 | Medicine spraying control method and medicine spraying control device for atomizer and atomizer |
| CN105852228A (en) * | 2016-06-21 | 2016-08-17 | 湖南中烟工业有限责任公司 | Control method and system for ultrasonic circuit of electronic cigarette |
| CN108363424A (en) * | 2018-01-30 | 2018-08-03 | 深圳和而泰智能控制股份有限公司 | Atomizer working frequency adjusting method, atomizer and computer-readable medium |
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| JP2005254218A (en) * | 2004-03-15 | 2005-09-22 | Tdk Corp | Atomizer |
| US20110114090A1 (en) * | 2009-11-16 | 2011-05-19 | Piper Medical, Inc. | Inhalation actuated nebulizer with impingement shield |
| CN201912491U (en) * | 2010-12-21 | 2011-08-03 | 桂林电子科技大学 | Intelligent sterilizer for dental instrument |
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| CN103604189A (en) * | 2013-05-29 | 2014-02-26 | 珠海格力电器股份有限公司 | Separately excited ultrasonic atomization control circuit |
| CN104010683A (en) * | 2011-12-27 | 2014-08-27 | 欧姆龙健康医疗事业株式会社 | Nebulizer and nebulizer kit |
| CN104114049A (en) * | 2012-03-26 | 2014-10-22 | 韩国极光科技有限公司 | Atomization control unit and a portable atomizing apparatus having the same |
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2014
- 2014-11-21 CN CN201410671382.0A patent/CN104635813A/en not_active Application Discontinuation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005254218A (en) * | 2004-03-15 | 2005-09-22 | Tdk Corp | Atomizer |
| US20110114090A1 (en) * | 2009-11-16 | 2011-05-19 | Piper Medical, Inc. | Inhalation actuated nebulizer with impingement shield |
| CN201912491U (en) * | 2010-12-21 | 2011-08-03 | 桂林电子科技大学 | Intelligent sterilizer for dental instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749385A (en) * | 2016-02-01 | 2016-07-13 | 北京怡和嘉业医疗科技有限公司 | Medicine spraying control method and medicine spraying control device for atomizer and atomizer |
| CN105852228A (en) * | 2016-06-21 | 2016-08-17 | 湖南中烟工业有限责任公司 | Control method and system for ultrasonic circuit of electronic cigarette |
| CN105852228B (en) * | 2016-06-21 | 2019-10-11 | 湖南中烟工业有限责任公司 | A kind of electronic cigarette ultrasound circuitry control method and system |
| CN108363424A (en) * | 2018-01-30 | 2018-08-03 | 深圳和而泰智能控制股份有限公司 | Atomizer working frequency adjusting method, atomizer and computer-readable medium |
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