CN207869067U

CN207869067U - Portable supersonic generator

Info

Publication number: CN207869067U
Application number: CN201820078333.XU
Authority: CN
Inventors: 邵立新
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-18
Filing date: 2018-01-18
Publication date: 2018-09-14
Anticipated expiration: 2028-01-18

Abstract

The utility model proposes a kind of portable supersonic generators, including transformer T1, rectifier bridge stack UR, circuit of three-terminal voltage-stabilizing integrated IC1, electrolytic capacitor C4, hex inverter IC2, ceramic disc capacitor C1 ~ C3, resistance R1, potentiometer RP, transformer T2 and PZT (piezoelectric transducer) B；The secondary winding of T1 connects the input terminal of UR, and the output of UR terminates the 1st feet of IC1, and the 2nd feet of IC1 connect IC2 the 14th, 13 feet；IC2 the 1st, 3,7 feet ground connection, the 2nd, 4 feet it is hanging, the 5th foot connects the 8th foot and T2 first windings；The 6th feet of IC2 connect T2 first windings, and the 9th foot connects the 10th foot, and the 11st foot connects the 12nd foot；B is series between T2 secondary windings.The utility model has the advantage of：DC low-voltage is converted into high-frequency pulse square wave to excite energy converter using multi-door phase inverter, without high-frequency ac electric drive, exciting power thus can be greatly reduced, so that circuit structure is greatly simplified, cost, power consumption, the volume of ultrasonic wave generator are greatly reduced.

Description

Portable supersonic generator

Technical field

The utility model is related to a kind of ultrasonic equipments, and in particular to a kind of portable supersonic generator.

Background technology

Ultrasonic wave is the elastic wave that a kind of frequency is higher than 20000HZ, its good directionality, penetration power is strong, be easily obtained compared with The acoustic energy of concentration.Ultrasonic wave is usually used in rubble, cleaning and sterilizing etc. in medical domain, and the premise of application is to utilize ultrasound Wave generator generates ultrasonic wave.Ultrasonic wave generator is a kind of device for being excited using electric energy and generating ultrasonic wave.Currently, existing Ultrasonic wave generator in technology is mostly that alternating current is converted to high-frequency alternating current to drive energy converter.It generates needed for high-frequency current Power is larger, therefore, ultrasonic wave generator in the prior art the shortcomings of there is complicated, volume is big, power consumption is high.So And some ultrasonic applications occasions do not need to too high-power ultrasonic wave, therefore, how to provide a kind of simple in structure, volume Ultrasonic generator small and exquisite, low in energy consumption is just solved the problems, such as at worth.

Invention content

The utility model in view of the above technical problems, proposes a kind of portable supersonic generator, and pass through following technology Scheme is realized.

The portable supersonic generator of the utility model includes power circuit, oscillating circuit and transducing circuit；It is described Power circuit includes step-down transformer T1, rectifier bridge stack UR, circuit of three-terminal voltage-stabilizing integrated IC1 and electrolytic capacitor C4；It is described to shake It includes hex inverter IC2, ceramic disc capacitor C1, ceramic disc capacitor C2, ceramic disc capacitor C3, resistance R1 and potentiometer RP to swing circuit；Institute It includes step-up transformer T2 and PZT (piezoelectric transducer) B to state transducing circuit；An exchange of one end connection UR of the secondary winding of T1 Input terminal, another ac input end of the other end connection UR of the secondary winding of T1, the direct current output anode of UR connect simultaneously The anode of C4 and the 1st pin of IC1, the 3rd pin of the cathode of C4, the direct current output cathode of UR and IC1 are grounded, IC1's 2nd pin connects the 14th pin, the 13rd pin of IC2 and one end of R1 of IC2 simultaneously；The other end of R1 connects C1's simultaneously One end and a definite value end of RP, the 1st pin, the 3rd pin of IC2 and the 7th pin of IC2 of IC2 are grounded, IC2's The 4th pin of 2nd pin and IC2 are hanging, the 5th pin of IC2 connect simultaneously one end of C2, the 8th pin of IC2, RP it is another One end of the first winding at one definite value end, the adjustable side of RP and T2, the 6th pin of IC2 connect simultaneously C3 one end and The other end of the first winding of T2, the 9th pin of IC2 connect the 10th pin of IC2 and the other end of C1 simultaneously, and the of IC2 11 pins connect the 12nd pin of IC2；The other end of C2 and the other end of C3 are grounded, and B is series at the secondary winding of T2 Between both ends.

The utility model can also be further improved by the following technical programs.

Preferably, the number of turns of the secondary winding of the step-down transformer T1 is 34 ~ 35 times of first winding the number of turns.

Preferably, the rectifier bridge stack UR includes four IN4001 type diodes.

Preferably, the circuit of three-terminal voltage-stabilizing integrated IC1 is 7809 type circuit of three-terminal voltage-stabilizing integrated.

Preferably, the hex inverter IC2 is 74HC04 type hex inverters.

Preferably, the number of turns of the secondary winding of the step-up transformer T2 is 2 ~ 3 times of first winding the number of turns.

Preferably, the PZT (piezoelectric transducer) B is piezoelectric ceramic piece.

Preferably, the capacitance of described C1, C2, C3 and C4 be respectively 1000 microfarads, 100 microfarads, 100 microfarads and 220 microfarads；The resistance value of the R1 is 47 kilo-ohms, and the maximum value of the RP is 100 kilo-ohms.

Compared with prior art, it is with good effect the advantages of the utility model：

1, DC low-voltage is converted into high-frequency pulse square wave using multi-door phase inverter to excite energy converter, is handed over without high frequency Galvanic electricity drives, it is thus possible to exciting power is greatly reduced, so that circuit structure is greatly simplified, ultrasonic wave generator Cost, power consumption, volume are greatly reduced；

2, small, noise is slight, easy to carry, easy to use.

Description of the drawings

Fig. 1 is a kind of electrical block diagram of embodiment of the utility model portable supersonic generator.

Specific implementation mode

In order to be better understood from the utility model, illustrate with reference to the accompanying drawings and examples.

Embodiment：As shown in Figure 1, the portable supersonic generator of the present embodiment include power circuit, oscillating circuit with And transducing circuit；The power circuit includes step-down transformer T1, rectifier bridge stack UR, circuit of three-terminal voltage-stabilizing integrated IC1 and electricity Solve capacitance C4；The oscillating circuit includes hex inverter IC2, ceramic disc capacitor C1, ceramic disc capacitor C2, ceramic disc capacitor C3, resistance R1 And potentiometer RP；The transducing circuit includes step-up transformer T2 and PZT (piezoelectric transducer) B；One end of the secondary winding of T1 connects An ac input end of UR is connect, the other end of the secondary winding of T1 connects another ac input end of UR, and the direct current of UR is defeated Go out anode while connecting the anode and the 1st pin of IC1 of C4, the cathode of C4, the direct current output cathode of UR and IC1 the 3rd draw Foot is grounded, and the 2nd pin of IC1 connects the 14th pin, the 13rd pin of IC2 and one end of R1 of IC2 simultaneously；R1's is another It holds while connecting one end of C1 and a definite value end of RP, the 1st pin, the 3rd pin of IC2 and the 7 of IC2 of IC2 are drawn Foot is grounded, and the 2nd pin of IC2 and the 4th pin of IC2 are hanging, and the 5th pin of IC2 connects one end of C2, IC2 simultaneously 6th pin of one end of the first winding at another definite value end, the adjustable side of RP and T2 of the 8th pin, RP, IC2 connects simultaneously Connect the other end of one end of C3 and the first winding of T2, the 9th pin of IC2 connects the 10th pin and C1 of IC2 simultaneously The other end, the 12nd pin of the 11st pin connection IC2 of IC2；The other end of C2 and the other end of C3 are grounded, and B is series at Between the both ends of the secondary winding of T2.

In use, accessing 220V electric mains between the both ends of T1 first windings.The secondary winding of step-down transformer T1 The number of turns can be preferably 34 ~ 35 times of first winding the number of turns.In this way, the electric main of 220V is by T1 decompressions and UR rectifications Afterwards, the DC voltage of a little higher than 9V is exported, the stable DC voltage which exports 9V after IC1 voltage stabilizings is supplied to subsequently Circuit.Four IN4001 types diodes in the prior art can be selected to build rectifier bridge stack UR.

The circuit of three-terminal voltage-stabilizing integrated IC1 can select 7809 type circuit of three-terminal voltage-stabilizing integrated in the prior art.Institute 74HC04 types hex inverter in the prior art can be selected by stating hex inverter IC2.

Change the size of driving voltage by way of effective resistance value of circuit can be accessed adjusting RP, needed for acquisition The ultrasonic wave of power.The number of turns of the secondary winding of the step-up transformer T2 can be preferably 2 ~ 3 times of first winding the number of turns, make The driving voltage of the 6th pins of IC2 output improves to 2 ~ 3 times of original rear-guard dynamic pressure electric transducer B and generates ultrasonic wave.

The PZT (piezoelectric transducer) B can select Common piezoelectricity potsherd in the prior art.

The capacitance of described C1, C2, C3 and C4 can be set as 1000 microfarads, 100 microfarads, 100 microfarads and 220 respectively Microfarad；The resistance value of the R1 is 47 kilo-ohms, and the maximum value of the RP is 100 kilo-ohms.

Claims

1. a kind of portable supersonic generator, it is characterised in that：Including power circuit, oscillating circuit and transducing circuit；Institute It includes step-down transformer T1, rectifier bridge stack UR, circuit of three-terminal voltage-stabilizing integrated IC1 and electrolytic capacitor C4 to state power circuit；It is described Oscillating circuit includes hex inverter IC2, ceramic disc capacitor C1, ceramic disc capacitor C2, ceramic disc capacitor C3, resistance R1 and potentiometer RP； The transducing circuit includes step-up transformer T2 and PZT (piezoelectric transducer) B；A friendship of one end connection UR of the secondary winding of T1 Input terminal, another ac input end of the other end connection UR of the secondary winding of T1 are flowed, the direct current output anode of UR connects simultaneously The anode of C4 and the 1st pin of IC1 are connect, the 3rd pin of the cathode of C4, the direct current output cathode of UR and IC1 is grounded, IC1 The 2nd pin connect the 14th pin, the 13rd pin of IC2 and one end of R1 of IC2 simultaneously；The other end of R1 connects C1 simultaneously One end and RP a definite value end, the 1st pin, the 3rd pin of IC2 and the 7th pin of IC2 of IC2 be grounded, IC2 The 2nd pin and IC2 the 4th pin it is hanging, the 5th pin of IC2 simultaneously connects one end of C2, the 8th pin of IC2, RP One end of the first winding at another definite value end, the adjustable side of RP and T2, the 6th pin of IC2 connect simultaneously one end of C3 with And the other end of the first winding of T2, the 9th pin of IC2 connect the 10th pin of IC2 and the other end of C1 simultaneously, IC2's 11st pin connects the 12nd pin of IC2；The other end of C2 and the other end of C3 are grounded, and B is series at the secondary winding of T2 Both ends between.

2. portable supersonic generator according to claim 1, it is characterised in that：The step-down transformer T1's is secondary The number of turns of winding is 34 ~ 35 times of first winding the number of turns.

3. portable supersonic generator according to claim 1, it is characterised in that：The rectifier bridge stack UR includes four IN4001 type diodes.

4. portable supersonic generator according to claim 1, it is characterised in that：The circuit of three-terminal voltage-stabilizing integrated IC1 is 7809 type circuit of three-terminal voltage-stabilizing integrated.

5. portable supersonic generator according to claim 1, it is characterised in that：The hex inverter IC2 is 74HC04 type hex inverters.

6. portable supersonic generator according to claim 1, it is characterised in that：The step-up transformer T2's is secondary The number of turns of winding is 2 ~ 3 times of first winding the number of turns.

7. portable supersonic generator according to claim 1, it is characterised in that：The PZT (piezoelectric transducer) B is piezoelectricity Potsherd.

8. according to claim 1 ~ 7 any one of them portable supersonic generator, it is characterised in that：Described C1, C2, C3 with And the capacitance of C4 is respectively 1000 microfarads, 100 microfarads, 100 microfarads and 220 microfarads；The resistance value of the R1 is 47 kilo-ohms, described The maximum value of RP is 100 kilo-ohms.