CN1053365A

CN1053365A - The ultrasound atomizer of controllable intermittently atomizing

Info

Publication number: CN1053365A
Application number: CN 87104982
Authority: CN
Inventors: 黎洪松
Original assignee: SHANTOU PHOTOELECTRIC INST
Current assignee: SHANTOU PHOTOELECTRIC INST
Priority date: 1987-07-18
Filing date: 1987-07-18
Publication date: 1991-07-31
Also published as: CN1018794B

Abstract

The ultrasound atomizer of controllable intermittently atomizing is a kind of ultrasonic atomizing device that can carry out intermittent controlled atomizing according to human needs rhythm, is especially suitable for use as the armarium of treatment respiratory tract disease and so on.Technical characterictic is to introduce an impulse circuit from human needs rhythm to the sonic oscillation circuit that can import intermittent control signal by on the basis of existing ultrasound atomizer.Compare with existing ultrasound atomizer, can improve nebulizer, and save unnecessary electric energy and atomized liquid, particularly the precious liquid of medicinal liquid one class with adaptability between the user and result of use.

Description

The ultrasound atomizer of controllable intermittently atomizing

The invention belongs to a kind of device that utilizes supersonic oscillations to produce the atomization of liquid, particularly can carry out the piezoelectric supersonic atomization device of intermittent control according to human needs rhythm.

The piezoelectric supersonic atomization device that generally uses all is continuous atomised form at present; be the seriality atomizing promptly, be this form as the U-3B type ultrasound atomizer of village medical courses in general Industrial Co., Ltd in No. 4319155, United States Patent (USP), the Japan, the ultrasonic fogger of GH-503UA type of South Korea Venus Electrical Appliances Co., Ltd from the whole process that is energized to shutdown.The control structure of this class ultrasound atomizer has two kinds: the one, quit work when being atomized to shut down automatically when liquid drops to setting limit value or ambient humidity arrival setting limit value; The 2nd, control the size of atomization quantity by electrical power.Because this class nebulizer can not carry out intermittent work according to human needs rhythm, so labor aptitude is relatively poor, and cause the waste of unnecessary electric energy and atomized liquid, particularly use as armarium as treatment respiratory tract disease and so on, owing to can't carry out work according to the breathing beat of therapist or the requirement of the intermittent atomizing of other needs, have influence on the acceptance and the therapeutic effect of therapist, also cause the waste of medicinal liquid.

The purpose of this invention is to provide a kind of ultrasound atomizer that can carry out intermittent controlled atomizing easily according to human needs rhythm.

The present invention is achieved in that with the same ultrasound atomizer of existing technology and comprises power circuit, sonic oscillation circuit, it is characterized in that also comprising one can according to human needs rhythm to the sonic oscillation circuit import intermittent control signal impulse circuit (hereinafter to be referred as: pulse control circuit).Wherein the effect of power circuit is that the public exchange power conversion is used for the unidirectional current that is fit to offers other circuit; The effect of sonic oscillation circuit is to make ultrasonator produce corresponding supersonic oscillations when accepting the intermittent control signal of pulse control circuit, finally is to make to be atomized liquid and to form intermittent atomizing; The effect of pulse control circuit is to produce a series of corresponding electric pulses according to human needs or behavior rhythm, realizes control as intermittent control signal input sonic oscillation circuit.The form of pulse control circuit can be to set up the cycle and the width of pulse by the adjustable position (as variable resistance) of circuit in advance by the people, produces the respective electrical pulse by the circuit self-excitation then; Also can follow human needs rhythm and produce the respective electrical pulse by pick off; Can also press hand switch and produce a series of corresponding electric pulses by the rhythm continuous several times that needs of himself by the people by a hand switch that draws outward (as holding pneumatic switch and so on) is set.Above-mentioned sonic oscillation circuit or pulse control circuit can be semiconductor discrete component circuit, integrated circuit or vacuum tube circuit.

Below in conjunction with accompanying drawing the present invention is done to describe more specifically.

Fig. 1 is an operation principle block diagram of the present invention.

Fig. 2 is a kind of scheme of power circuit and the sonic oscillation circuit of Fig. 1.

Fig. 3 is a kind of scheme of the pulse control circuit of Fig. 1, promptly is to set up pulse period and width by the adjustable position of circuit in advance by the people, is produced a kind of scheme of corresponding pulses then by the circuit self-excitation.

Fig. 4 is the another kind of scheme of the pulse control circuit of Fig. 1, promptly is to follow a kind of scheme that human needs rhythm produces the respective electrical pulse by pick off.

Fig. 5 is another scheme of the pulse control circuit of Fig. 1, promptly is by drawing hand switch outward, being pressed hand switch and produce a kind of scheme of respective electrical pulse by the rhythm continuous several times that needs of himself by the people.

With reference to Fig. 1, pulse control circuit can go out corresponding electric pulse according to the human needs rhythm generating, as intermittent control signal input sonic oscillation circuit.After the sonic oscillation circuit is accepted control signal, produce corresponding supersonic oscillations, make to be atomized intermittently atomizing of liquid generation.Power circuit is transformed to suitable unidirectional current to the public exchange electricity, for the usefulness of other circuit working.

With reference to Fig. 2, power circuit is by public exchange power supply AC, D ₁～D ₄, C ₁Constitute.The sonic oscillation circuit is by R ₁～R ₃, C ₂～C ₄, BG ₁, T, L and piezoelectric supersonic agitator PZT constitute, and can connect with the pulse control circuit of various ways by connector 1～5 etc.,, imports BG to accept pulse control signal as pulse control signal ₁Conducting, and vibration and power amplification promote PZT through high frequency transformer T again and make supersonic oscillations.

With reference to Fig. 3,

connector

6,7,8 can be continuous to constitute a kind of scheme of the present invention with the connector 1,2,4 of Fig. 2 respectively.R wherein ₄, C ₇Constitute power supply circuits; BG ₃, BG ₄, C ₅, C ₆, R ₇～R ₁₂Constitute astatic multivibrator, R ₉, R ₁₁Be the adjustable position of pulse; BG ₂, R ₅, R ₆Constitute emitter follower; 3CT is a switch element.When getting, astatic multivibrator just produces self-oscillation after electric, and by BG ₃Colelctor electrode alternately export high level and low level pulse, work as BG ₃Output low level, the BG of emitter follower ₂Also corresponding output low level, not conducting of 3CT at this moment, the BG of Fig. 2 ₁Obtain normal bias voltage, PZT produces vibration; Work as BG ₃The output high level, BG ₂Also export high level, 3CT conducting at this moment, the BG of Fig. 2 ₁The base stage shorted to earth, PZT does not produce vibration; User can be adjusted R according to actual needs ₉, R ₁₁With the cycle and the width of selected pulse, promptly set up the persistent period and the blanking time of atomizing.This sample pulse control circuit has just realized carrying out according to human needs rhythm the purpose of intermittent atomizing control.

With reference to Fig. 4, connector 9,10,11 can be continuous to constitute a kind of scheme of the present invention with the connector 1,3,4 of Fig. 2 respectively.R wherein ₁₃, C ₈Constitute power supply circuits; D ₅, C ₁₀, R ₂₁Constitute the positive pulse circuit with pick off CRZ; BG ₆, BG ₇, R ₁₅～R ₂₀, C, constitute monostable circuit; BG ₅, R ₁₄Constitute on-off circuit with J.When CRZ received the signal that human needs rhythm sent, transducing signal was through R ₂₁, C ₁₀Form positive and negative alternate spike, again through D ₅Spike is born in elimination, and positive spike triggers BG ₇Conducting, at this moment BG ₆End, monostable circuit is in temporarily steady state, BG ₅Conducting, J adhesive and its normally-closed contact disconnect, the BG of Fig. 2 ₁Obtain normal bias voltage, PZT produces vibration; When CRZ does not receive transducing signal, BG ₇End BG ₆Conducting, BG ₅End, J disconnects and its normally-closed contact closure, the BG of Fig. 2 ₁The base stage shorted to earth, PZT does not produce vibration.Working as user like this needs rhythm to send a series of signal by it, and this pulse control circuit just may command nebulizer carries out corresponding intermittent atomizing.

With reference to Fig. 5, connector 12,13 can be continuous to constitute another scheme of the present invention with the open end of line between the connector 3,5 of Fig. 2 respectively.When outside the hand switch AN closure of drawing, the BG of Fig. 2 ₁Conducting, PZT produces vibration, when AN disconnects the BG of Fig. 2 ₁End, PZT does not produce vibration.User just can need rhythm to press AN by manual or other action continuous several times by it like this, just can make nebulizer produce corresponding intermittence atomizing to sonic oscillation circuit input series of pulses control signal.

Claims

1, the ultrasound atomizer of controllable intermittently atomizing, comprise power circuit, sonic oscillation circuit, it is characterized in that also comprising one can according to human needs rhythm to the sonic oscillation circuit import intermittent control signal impulse circuit (hereinafter to be referred as: pulse control circuit).

2, by the described nebulizer of claim 1, it is characterized in that this pulse control circuit is the adjustable position by circuit, set up pulse period and width in advance, produce the pulse control circuit (Fig. 3) of pulse then by the circuit self-excitation by the people.

3, by the described nebulizer of claim 1, it is characterized in that this pulse control circuit is to follow the pulse control circuit (Fig. 4) that human needs rhythm produces corresponding pulses by pick off.

4, by the described nebulizer of claim 1, it is characterized in that this pulse control circuit is the hand switch that draws by outward, need the rhythm continuous several times to press hand switch by it and produce the pulse control circuit (Fig. 5) of corresponding pulses by the people.