CN104623770A - Self-adaptation atomizing device - Google Patents

Self-adaptation atomizing device Download PDF

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Publication number
CN104623770A
CN104623770A CN201410671517.3A CN201410671517A CN104623770A CN 104623770 A CN104623770 A CN 104623770A CN 201410671517 A CN201410671517 A CN 201410671517A CN 104623770 A CN104623770 A CN 104623770A
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CN
China
Prior art keywords
atomization
control
circuit
adjustment
differentiator
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CN201410671517.3A
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Chinese (zh)
Inventor
沈智广
Original Assignee
无锡科思电子科技有限公司
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Application filed by 无锡科思电子科技有限公司 filed Critical 无锡科思电子科技有限公司
Priority to CN201410671517.3A priority Critical patent/CN104623770A/en
Publication of CN104623770A publication Critical patent/CN104623770A/en

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Abstract

The invention discloses a self-adaptation atomizing device, and belongs to the technical field of atomizing devices. The system comprises a liquid storage part, an atomizing part, a detecting part, a control part, an adjusting part and a power source. The control part further comprises a temperature sensor, a flow sensor, an A/D conversion circuit, a comparator, a differentiator, a fuzzy controller and a PWM modulator. The temperature and flow of atomizing chemical liquid can be collected according to requirements of different users, the circuit is automatically adjusted through a fuzzy algorithm, output is more stable, treatment is more accurate, and the side effect is reduced.

Description

A kind of self adaptation atomising device

Technical field

The present invention relates to a kind of self adaptation atomising device, belong to atomising device technical field.

Background technology

Nebulizer, sometimes also referred to as aerosol apparatus, is generate thin spraying or the equipment of aerosol by liquid.The Main Function of nebulizer 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 nebulizer external member on October 9th, 2012 to have: housing (100), it comprises compressed air ingress pipe (113), the leading section, top (113a) of this compressed air ingress pipe (113) is formed the nozzle bore (115) for jet compression air, 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 aerosol outlet, aspiration path (220) comprising: the first aspiration path (221), its outer peripheral face along compressed 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 compressed 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, nebulizer, main body cover, control part and suction volume adjusting portion.Battery case is used for depositing battery, and nebulizer is electrically connected with battery, and this nebulizer comprises the heater block for generation of making raw material be atomized heat.Main body cover combines with battery case, nebulizer between battery case and nebulizer.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, suction volume adjusting portion opens or closes the amount that the air inflow aperture leading to nebulizer side from outside regulates the air to nebulizer side inflow.

The ultrasound atomizer used clinically at present, just changes operating 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 atomising device, it according to the demand of different user, can gather temperature and the flow of atomization medicinal liquid, adopts fuzzy algorithmic approach automatic circuit, make output more stable, makes treatment more accurate, reduces side effect.

The present invention adopts following technical scheme for solving its technical problem:

A kind of self adaptation atomising device, comprises liquid storing part, atomization portion, test section, control part, adjustment part and power supply, wherein test section, control part, adjustment part, atomization portion and liquid storing part are linked in sequence, power supply respectively with atomization portion, test section, control part, adjustment part connect;

Described test section is for detecting the breathing state of user;

Described liquid storing part is for storing the medicinal liquid of atomization;

Described atomization portion is used for the liquid medicine jet being stored in liquid storing part to nebulize;

Described adjustment part is for adjusting the spray amount in the unit interval of atomization portion;

Described power supply is used for powering to atomization portion, test section, control part and adjustment part;

Described control part is for controlling atomization portion work, wherein control part also comprises temperature sensor, flow transducer, the first to the 3rd A/D change-over circuit, the first to the 3rd comparator, the first to the 3rd differentiator, fuzzy controller and PWM device, and described temperature sensor and an A/D change-over circuit, the first comparator, the first differentiator are linked in sequence; Described flow transducer is connected with the 2nd A/D change-over circuit, the second comparator, the second differentiator order; The described outfan of the first differentiator is connected with the input of fuzzy controller, and the described outfan of the second differentiator is connected with the input of fuzzy controller, and the outfan of fuzzy controller is connected with adjustment part by PWM device.

As a preferred technical solution of the present invention: described atomization portion comprises atomizing piece, power driving circuit, adjustable RC oscillating circuit, and adjustable RC oscillating circuit, power driving circuit, atomizing piece and power supply are linked in sequence.

As a preferred technical solution of the present invention: described atomization portion also comprises waveform changing circuit, described waveform changing circuit is connected with power driving circuit, adjustable RC oscillating circuit respectively.

As a preferred technical solution of the present invention: the frequency of the output signal of described adjustable RC oscillating circuit arranges in the mode of arithmetic progression.

As a preferred technical solution of the present invention: a scan period of the output signal of described adjustable RC oscillating circuit is 50ms, this output signal side frequency difference is 0.5KHz.

A kind of self adaptation atomising device 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.The complexity of simplified system design, 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 transducer is monitored in real time to the fog that ultrasound 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 side effect, be conducive to the rehabilitation of patient.

(4) the present invention is by adjustable RC oscillating circuit, and the frequency of output signal arranges in the mode of arithmetic progression, namely the frequency 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.

(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.

Detailed description of the invention

Below the invention is described in further details.

A kind of self adaptation atomising device, comprises liquid storing part, atomization portion, test section, control part, adjustment part and power supply, wherein test section, control part, adjustment part, atomization portion and liquid storing part are linked in sequence, power supply respectively with atomization portion, test section, control part, adjustment part connect;

Described test section is for detecting the breathing state of user;

Described liquid storing part is for storing the medicinal liquid of atomization;

Described atomization portion is used for the liquid medicine jet being stored in liquid storing part to nebulize;

Described adjustment part is for adjusting the spray amount in the unit interval of atomization portion;

Described power supply is used for powering to atomization portion, test section, control part and adjustment part;

Described control part is for controlling atomization portion work, wherein control part also comprises temperature sensor, flow transducer, the first to the 3rd A/D change-over circuit, the first to the 3rd comparator, the first to the 3rd differentiator, fuzzy controller and PWM device, and described temperature sensor and an A/D change-over circuit, the first comparator, the first differentiator are linked in sequence; Described flow transducer is connected with the 2nd A/D change-over circuit, the second comparator, the second differentiator order; The described outfan of the first differentiator is connected with the input of fuzzy controller, and the described outfan of the second differentiator is connected with the input of fuzzy controller, and the outfan of fuzzy controller is connected with adjustment part by PWM device.

As a preferred technical solution of the present invention: described atomization portion comprises atomizing piece, power driving circuit, adjustable RC oscillating circuit, and adjustable RC oscillating circuit, power driving circuit, atomizing piece and power supply are linked in sequence.

As a preferred technical solution of the present invention: described atomization portion also comprises waveform changing circuit, described waveform changing circuit is connected with power driving circuit, adjustable RC oscillating circuit respectively.

As a preferred technical solution of the present invention: the frequency of the output signal of described adjustable RC oscillating circuit arranges in the mode of arithmetic progression.

As a preferred technical solution of the present invention: a scan period of the output signal of described adjustable RC oscillating 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.The complexity of simplified system design, 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 human computer 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.Soniclizer utilizes electronics high frequency oscillation, and (frequency of oscillation is 1.7MHz or 2.4MHz, exceed the range of audibility of people, this electronic 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 solublity medicinal liquid atomisation, by inner fan wind-force, medicinal 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 department of pediatrics.

Present invention employs temperature sensor and flow transducer is monitored in real time to the fog that ultrasound 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 side effect, be conducive to the rehabilitation of patient.

In the present invention, test section detects the state (expiration, air-breathing) of the breathing of user.Further, only atomization is performed when air-breathing by atomization portion.In present embodiment, such as, detect breathing state by pressure transducer.

The present invention is by adjustable RC oscillating 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 oscillating circuit arranges in the mode of arithmetic progression, no matter how the current resonant frequency of this atomizing piece changes, always can find a best operating frequency point.A scan period of the output signal of described adjustable RC oscillating circuit is 50ms, this output signal side frequency difference is 0.5KHz, therefore, within a scan period, atomizing piece all can have best operating frequency 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 (5)

1. a self adaptation atomising device, is characterized in that comprising liquid storing part, atomization portion, test section, control part, adjustment part and power supply, wherein test section, control part, adjustment part, atomization portion and liquid storing part are linked in sequence, power supply respectively with atomization portion, test section, control part, adjustment part connect;
Described test section, for detecting the breathing state of user, only performs atomization when air-breathing by atomization portion;
Described liquid storing part is for storing the medicinal liquid of atomization;
Described atomization portion is used for the liquid medicine jet being stored in liquid storing part to nebulize;
Described adjustment part is for adjusting the spray amount in the unit interval of atomization portion;
Described power supply is used for powering to atomization portion, test section, control part and adjustment part;
Described control part is for controlling atomization portion work, wherein control part also comprises temperature sensor, flow transducer, the first to the 3rd A/D change-over circuit, the first to the 3rd comparator, the first to the 3rd differentiator, fuzzy controller and PWM device, and described temperature sensor and an A/D change-over circuit, the first comparator, the first differentiator are linked in sequence; Described flow transducer is connected with the 2nd A/D change-over circuit, the second comparator, the second differentiator order; The described outfan of the first differentiator is connected with the input of fuzzy controller, and the described outfan of the second differentiator is connected with the input of fuzzy controller, and the outfan of fuzzy controller is connected with adjustment part by PWM device.
2. a kind of self adaptation atomising device according to claim 1, it is characterized in that described atomization portion comprises atomizing piece, power driving circuit, adjustable RC oscillating circuit, adjustable RC oscillating circuit, power driving circuit, atomizing piece and power supply are linked in sequence.
3. a kind of self adaptation atomising device according to claim 2, is characterized in that described atomization portion also comprises waveform changing circuit, and described waveform changing circuit is connected with power driving circuit, adjustable RC oscillating circuit respectively.
4. a kind of self adaptation atomising device according to claim 2, is characterized in that the frequency of the output signal of described adjustable RC oscillating circuit arranges in the mode of arithmetic progression.
5. a kind of self adaptation atomising device according to claim 2, it is characterized in that a scan period of the output signal of described adjustable RC oscillating circuit is 50ms, this output signal side frequency difference is 0.5KHz.
CN201410671517.3A 2014-11-21 2014-11-21 Self-adaptation atomizing device CN104623770A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105477752A (en) * 2016-01-05 2016-04-13 湖南明康中锦医疗科技发展有限公司 Atomizer capable of detecting breathing state
CN107820433A (en) * 2015-06-29 2018-03-20 皇家飞利浦有限公司 Control device for medical science Aerosol delivery equipment
CN108472460A (en) * 2015-06-11 2018-08-31 Ttp公司 Spraying conveying device
CN109847155A (en) * 2019-01-21 2019-06-07 孟庆和 Adaptive disease processing platform

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201996938U (en) * 2010-12-23 2011-10-05 江苏鱼跃医疗设备股份有限公司 Ultrasonic atomizer adaptive to atomization adjustment
CN102355915A (en) * 2009-03-17 2012-02-15 欧姆龙健康医疗事业株式会社 Nebulizer and function unit capable of being mounted to and removed from nebulizer
CN102470225A (en) * 2009-07-22 2012-05-23 皇家飞利浦电子股份有限公司 Nebulizer
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102355915A (en) * 2009-03-17 2012-02-15 欧姆龙健康医疗事业株式会社 Nebulizer and function unit capable of being mounted to and removed from nebulizer
CN102470225A (en) * 2009-07-22 2012-05-23 皇家飞利浦电子股份有限公司 Nebulizer
CN201996938U (en) * 2010-12-23 2011-10-05 江苏鱼跃医疗设备股份有限公司 Ultrasonic atomizer adaptive to atomization adjustment
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108472460A (en) * 2015-06-11 2018-08-31 Ttp公司 Spraying conveying device
CN107820433A (en) * 2015-06-29 2018-03-20 皇家飞利浦有限公司 Control device for medical science Aerosol delivery equipment
CN107820433B (en) * 2015-06-29 2020-12-01 皇家飞利浦有限公司 Control device for a medical aerosol delivery device
CN105477752A (en) * 2016-01-05 2016-04-13 湖南明康中锦医疗科技发展有限公司 Atomizer capable of detecting breathing state
CN105477752B (en) * 2016-01-05 2019-06-14 湖南明康中锦医疗科技发展有限公司 The atomizer of detectable respiratory state
CN109847155A (en) * 2019-01-21 2019-06-07 孟庆和 Adaptive disease processing platform

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Application publication date: 20150520

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