CN2075517U

CN2075517U - Automatic massage device for tympanic membrane

Info

Publication number: CN2075517U
Application number: CN 90219221
Authority: CN
Inventors: 张耀东
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-10-29
Filing date: 1990-10-29
Publication date: 1991-04-24

Abstract

The utility model discloses an automatic massage device for tympanic membrane which utilizes the suction of the electromagnet to generate gas pressure to automatically massage for the tympanic membrane. The circuit is overlapped by a power conversion circuit, a delay time control circuit and an oscillation amplifying circuit to control an electromagnetic device. The utility model has the advantages of small size, light weight, low cost, high automatization, safety, complete functions of control, display, etc. The automatic massage device for tympanic membrane has obvious curative effect on the convalescence of the acute catarrhal otitis media, the chronic catarrhal otitis media, the increase of the hearing after operation of the tympanic membrane repair, etc.

Description

Automatic massage device for tympanic membrane

The utility model discloses a kind of air pressure that utilizes the automatic control circuit actuating bellows to produce to change repeatedly ear drum membrane is carried out automatic massage; And can regulate the pressure size as required; Directly spy on the tympanum situation of change; Presentation Function is complete; And have a tympanum automatic massage instrument of Automatic Time Lag Function.Belong to medical instruments field.

Still acomia existing tympanum automatic massage instrument before this utility model is made even general tympanum gas masseur does not possess automatic generation air pressure and functions such as automatic time delay and various demonstrations yet, and is wasted time and energy.

Invention task of the present utility model is: an automaticity height is provided, and remarkable to the drum massage effect, volume is little, and is in light weight, and cost is low, power consumptive province, easy to operate tympanum automatic massage instrument.

Figure of description 1 is an electrical schematic diagram of the present utility model, and each partly is among the figure: 1, power converting circuit, 2, delay control circuit, 3, oscillator-amplification circuit.Accompanying drawing 2 is a structural representation of the present utility model, respectively is labeled as among the figure: 1, left side breather plug, 2, left side manhole, 3, left side breather, 4, left side pressure indicator, 5, left side pressure switch, 6, left side return-air valve, 7, the clematis stem joint, 8, the ripple sylphon bearing, 9 ripple sylphons, 10 backsprings, 11, coil, 12, iron core, 13, the noise elimination bearing, 14, silencer element, 15, armature, 16; rocking arm, 17; loam cake; 18; check valve, 19; connecting rod base, 20; air inlet; 21; connecting rod; 22; rocker arm support, 23; insurance valve, 24; air inlet valve; 25; right return-air valve; 26; right pressure switch, 27; right pressure indicator, 28; right breather; 29; right manhole, 30; right breather plug.

Technical characterictic of the present utility model shows as: utilize an automatic oscillation circuit to control an electromagnetic component and periodically bellows is produced active force, make the bellows volume-diminished, inner gas send by the road and causes duct, eardrum is produced pressure, eardrum is out of shape inwards, when pressure disappeared, eardrum was got back to again original position, so repeatedly reached the purpose of massage. Utilize an automatic time delay circuit by the work of predefined time control oscillating circuit, to reach the purpose of automatic control.

Followingly structure of the present utility model and working condition are described below according to Figure of description:

Circuit part is mainly by power converting circuit 1, delay control circuit 2, and oscillator-amplification circuit 3 constitutes.It is characterized in that transformator B is arranged in the power converting circuit 1, rectifier cell D1-D8, capacitor C1, C5, resistance R 1, Zener diode DW1 overlap joint and the step-down rectifier mu balanced circuit.There is one in the delay control circuit 2 and comprises IC 1, relay J, news Chinese percussion instrument YD, audion BG1, the delay control circuit that K switch 2, K3 and relevant elements overlap joint form.There is one in the oscillator-amplification circuit 3 and comprises IC 2, compound amplifying triode BG2, BG3, the oscillator-amplification circuit that electric magnet CT and relevant elements overlap joint form.And be provided with the time-delay output circuit and control the work that other needs the armarium of time control for the user by K2 conversion.

In this utility model, the operation principle of IC1, IC2 and each element is a prior art, and the engineers and technicians in described field are very familiar to, and therefore, no longer introduces, and highlights the working condition of circuit here:

Connect K switch 1, connected primary coil L1 circuit, the L3 output voltage of B, through the D5-D8 rectification, C5 filtering, signal lights XD1 is bright, and the expression power supply is normal.Running voltage is provided for simultaneously electromagnet coil CT.The voltage of L2 output is through the D1-D4 rectification, C1 filtering, and the R1 blood pressure lowering, the DW1 voltage stabilizing is delay control circuit 2, oscillator-amplification circuit 3 provides stable running voltage.The working condition of oscillator-amplification circuit 3; After the energized, for IC2 provides running voltage, simultaneously through potentiometer W2, resistance R 5, R4 give capacitor C4 charging, are connected to the two ends of C4 after the high level trigger end foot (6) of IC2 and low level trigger end foot (2) parallel connection.In voltage anastomosing moment, voltage on the C4 is zero, the current potential of foot (2) is lower than 1/3V, (V is the supply voltage that is added in the IC2 two ends), outfan foot (3) the output logic high level of IC2, give between the base stage of compound amplifying triode BG2, BG3 and the emitter stage and add voltage, after amplifying, make electric magnet CT work, produce active force.XD3 is bright for the synchronous signal lamp, and the expression electric magnet in working order.Regulate the size of W3 scalable CT suction.Along with the growth in C4 charging interval, its both end voltage increases gradually, when 〉=2/3V, and the circuit working of the IC2 inside of foot (6) control, foot (3) output logic low level.The base stage of BG2, BG3 and the current potential of emitter stage disappear, and the CT outage quits work.XD3 extinguishes simultaneously, and CT is in off-position for the bright expression of XD2.When foot (3) transfers logic low to, connected the discharge circuit of IC2 inside, C4 is by discharge end foot (7) the process internal discharge circuit discharging of R4 and IC2.Along with the prolongation of discharge time, the voltage when the C4 two ends drops to≤and during 1/3V, foot (3) transfers logic high again to, and circulation so repeatedly forms oscillatory work.XD2, XD3 are also alternative bright, indicate the duty of CT.Thereby the frequency of oscillation of regulating W2 scalable IC2 has also been adjusted the operating frequency (this utility model is decided to be 10-150 time/minute) of CT.The working condition of delay control circuit 2; With K2, K3 is put 2 position, connected the running voltage of delay circuit 2 and oscillator-amplification circuit 3, circuit 3 is started working, simultaneously resistance R 2 and R3 are that 2/3V(V is provided is the supply voltage that is added in the IC1 two ends for the high level trigger end foot (6) of IC1) current potential, and charge for the capacitance multiplier circuit of forming by capacitor C3 and audion BG1 through W1, the foot of IC2 (2) is connected to its two ends, directly experience the variation of its both end voltage, since begin to charge moment capacitance multiplier circuit terminal voltage be zero, the current potential of the low level input pin (2) of IC1 is lower than 1/3V, IC1 outfan foot (3) output logic high level, relay J is not worked.Growth along with the charging interval, the current potential of foot (2) raises gradually, when the current potential of 〉=1/3V, foot (3) output logic low level, J works, and has disconnected the working power of circuit 3, oscillator-amplification circuit quits work, connected the working power of news Chinese percussion instrument YD simultaneously, YD sends the sound, and the expression working time arrives.Regulate the length of W1 scalable delay time, (this utility model is decided to be 5-30 minute).When needing the work of Artificial Control circuit 3, K2 is put 1 position, disconnected the working power of circuit 2, the working power of directly connecting circuit 3 gets final product.When needs are worked with delay circuit control external medical equipment of the present utility model, K2 put 2 position, K3 is put 1 position, external equipment is sealed in CX2 to get final product, this moment, still available W1 set delay time, when reaching the scheduled time, and J work, disconnected the circuit of external equipment, the work of external equipment stop.

The working condition of structure division: when using this utility model, left breather plug 1 and right breather plug 2 are filled in respectively in left and right earhole (also can only use on one side as required).Connect oscillator-amplification circuit 3.When coil 11 energisings, in iron core 12, produce electromagnetic attraction, inhale moving armature 15, drive rocking arm 16, by connecting rod 21, connecting rod base 19, loam cake 17, compresses bellows bellows 9 and backspring 10, at this moment, since check valve 18, left return-air valve 6, right return-air valve 25, air inlet valve 24 all is in closed condition, air pressure sends into the clematis stem joint after left pressure switch 5, and right pressure switch 26 is sent into left and right auditory meatus, promotes tympanum and move inwards.Regulate the size of 5 and 26 scalable air inflows, promptly controlled the distance that tympanum moves.Indicator 4,27 indicates the size of pressure, because manhole 2,29 usefulness transparent materials are made, checks that with auditory meatus mirror can observe directly the situation that tympanum moves.For preventing when 5 and 26 passes extremely compress 9, to damage 9 owing to pressure is excessive, set up safety valve 23, when the air pressure when 9 surpassed safety value, the valve of 23 inside was opened and is automatically terminated pressure.When 11 outages, electromagnetic attraction disappears, under 10 elastic force effect, 9 times extensive original positions, 9 inside forms vacuum, and at this moment, 18 open, pass through 18 air inlets from air inlet 20, simultaneously the valve of 6,24,25 inside is also opened under the effect of 9 vacuum power, makes auditory meatus eliminate air pressure as early as possible, and tympanum is returned to original position, carry out so repeatedly, reach the purpose of massage.12 and 15 collide and send the sound when preventing work, influence medical personnel's work, have set up silencer element 14, when 12 when 15 are about to contact, by 14 cushioning effects and contact with 13 earlier, make the small distance of 12 and 15 maintenances, the elimination sound.

Major advantage of the present utility model is: volume is little, in light weight, automaticity is high, control and Presentation Function are complete, can directly spy on diaphragm-operated situation of movement, massages soft, safe and reliable.To acute catarrhal otitis media convalescent period, chronic catarrhal otitis media, promote audition auxiliary treatment and general otitis media behind the tympanum repairing operation, tangible curative effect is all arranged.

In this utility model most preferred embodiment: IC1, IC2 adopt 5C1555 or NE1555 type time base circuit, and the silicon rectifier diode BG1-BG3 that it is suitable that D1-D8 is power is the suitable silicon triode of power, and CT is the suitable electric magnet of suction; B is the suitable transformator of capacity.All the other elements are commercially available common component, and ripple sylphon processes with plastics or copper sheet, and silencer element is made with rubber or foam plastics.Each check valve self-control or commercially available finished product, each pipeline adopts commercially available flexible pipe to make.

Claims

1, a kind of tympanum automatic massage instrument, form by circuit part and structural portion branch, it is characterized in that: by power converting circuit 1, delay control circuit 2, the control circuit that oscillator-amplification circuit 3 overlap joints form is controlled an electromagnetic mechanism, bellows is produced active force, discharge gas pressure tympanum is massaged.

2, according to the described tympanum automatic massage of claim 1 instrument, it is characterized in that: delay control circuit 2 is by time base circuit IC1, and capacitance multiple circuit BG1, C3, relay J, K switch 2, K3 and relevant elements overlap the adjustable time control circuit of time that forms.

3, according to the described tympanum automatic massage of claim 1 instrument, it is characterized in that: oscillator-amplification circuit 3 is by time base circuit IC2, capacitor C4, composite amplifier BG2, BG3, frequency of oscillation and the adjustable oscillator-amplification circuit of electromagnet suction that electric magnet CT and relevant elements overlap joint form.

4, according to the described tympanum automatic massage of claim 1 instrument, it is characterized in that: structure division has backspring 10 to inside as required by electric magnet, and the ripple sylphon 9 of check valve 18 produces active force.

5, according to claim 1,4 described tympanum automatic massage instrument, it is characterized in that: air pressure is provided with gauge tap 5,26 and the pressure indicator 4,27 of regulating pressure in sending into the pipeline of auditory meatus.

6, according to claim 1,4,5 described tympanum automatic massage instrument, it is characterized in that: in pipeline, be provided with return-air valve 6,25, air inlet valve 24.

7, according to claim 1,4,5,6 described tympanum automatic massage instrument, it is characterized in that, in pipeline, be provided with safety valve 23, to guarantee the safety of ripple sylphon 9 and pipeline.

8, according to claim 1,4,5,6,7 described tympanum automatic massage instrument, it is characterized in that: Pneumatic pipe cleaner is crossed the breather plug 1,30 that has manhole 2,29 and is sent into auditory meatus, can use separately, but also use simultaneously on both sides, but and the diaphragm-operated situation of change of macroscopic examination.

9, according to claim 1,2,3 described tympanum automatic massage instrument, it is characterized in that: time base circuit IC1, IC2 have adopted 5C1555 or NE1555 chip.