CN1233510A

CN1233510A - Multi-function electric pulse therapeutic equipment

Info

Publication number: CN1233510A
Application number: CN 98112723
Authority: CN
Inventors: 何建辉; 谭启明
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-09
Filing date: 1998-11-09
Publication date: 1999-11-03

Abstract

A kind of multifunctional electric pulse therapeutic apparatus, its host machine is fit with high strength out put line, connected to conductive rubber pole plate and adhesive conductive electrode, the host machine circuit includes successively connected timing circuit, slow starting conversion oscillator, shaping amplifying circuit, power amplifying circuit, voltage conversion output circuit, the slow starting conversion oscillator produces oscillating pulse with adjustable frequency, its working period is controlled by timing circuit. The present invention can optionally regulate frequency, wave shape and working period. It is good in therapeutic effect.

Description

Multi-function electric pulse therapeutic equipment

The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of electronic pulse therapeutic instrument.

Existing medical apparatus and instruments such as the AC/DC double purpose electronic convection gauge that adopts the electronic therapy human body diseases, directly the 220V civil power is become three kinds of low pressure through the transformator transformation, then by the gear permutator, low tension is delivered to electrode, as use direct current, then connect two switching tubes and be reverse into Alternating Current Power Supply in primary, this convection current instrument operating frequency only is civil power 50HZ, can't regulate its frequency, waveform and working cycle, and the low pressure of output also only has fixed several gear, and alternative leeway is few, can not be according to the adjusting of each one different situations of user and treatment needs any continuous effective, so the people is done not feel like oneself, does not reach desired therapeutic effect.

The present invention's purpose aims to provide and a kind ofly can continuously change voltage height,, function admirable comfortable according to the different situations of different people and any regulating frequency of treatment needs, waveform, working cycle, human body sensory, multi-function electric pulse therapeutic equipment that therapeutic effect is good.

Technical solution of the present invention is: this multi-function electric pulse therapeutic equipment is mounting circuit boards and battery case in main frame, adopt the connected mode of accessory power outlet and plug, join a high strength output lead outward, connect conductive rubber pole plate and adhesiveness conductive electrode, host circuit board is by the timing circuit that connects successively, slowly start variable frequency oscillator, shaping amplification circuit, power amplification circuit, the voltage transformation output circuit is formed, slowly starting variable frequency oscillator is the main monostable oscillating circuit that is connected into the time-base integrated circuit, the output oscillating impulse, its working cycle is controlled by the outfan of timing circuit, timing circuit inserts time-base integrated circuit by several groups of different RC time constant circuits by switch and constitutes, slowly the oscillating impulse that starts variable frequency oscillator output enters shaping amplification circuit and carries out shaping, amplify, thereafter be connected to power amplification circuit again, carry out power amplification, the output of power amplification circuit is connected to the voltage transformation output circuit, and output is connected to conductive rubber pole plate and adhesiveness conductive electrode respectively to two outfans of voltage transformation output circuit as main frame.

This multi-function electric pulse therapeutic equipment starts working cycle of variable frequency oscillator slowly by timing circuit control, starts the oscillating impulse that variable frequency oscillator produces frequency adjustable slowly, this oscillating impulse through shaping, amplification, power amplifier, voltage transformation, export two electrodes to.Therefore, the present invention can be according to the different situations and the treatment needs of different people, continuously any regulation voltage height, working cycle, frequency range and waveform etc., alternative scope is wide, multiple functional, make that human body sensory is comfortable, therapeutic effect good, reasonable in design, technical performance is good, should vigorously promote the use.

Fig. 1 is a principle of the invention block diagram;

Fig. 2 is a circuit diagram of the present invention.

Below in conjunction with accompanying drawing the present invention is described in further detail:

Referring to Fig. 1, instrument is a core with two time base circuits, produces oscillating impulse and carries out the working cycle regularly, and its oscillating impulse output is again through shaping, amplification, power amplifier, voltage transformation, the pulse voltage of exporting about about 70V is connected to two electrodes, and human body is carried out point electric impulse therapeutic.

Referring to Fig. 2, IC2 (KA555) is a multipurpose integrated circuit, inside is made up of two comparators, two transistors, three divider resistances, a R-S trigger and a power output circuit, 2,6 feet at IC2 connect a capacitor C 1 over the ground, act as charging, 2,6 feet connect a resistance R 2 to 7 feet, R2 is the discharge resistance of C1, it also is the path of power supply and R1, power supply charges to C1 through 7 feet of R1 to IC2 and by R2, C1 voltage rises, and 2, the 6 foot voltages of IC2 also rise, when 2,6 foot voltages rise to 2/3 power supply.The upset of IC2 internal comparator, the internal trigger triggering and conducting, outfan 3 feet of IC2 are high potential, the internal trigger conducting makes the conducting of internal discharge audion, and 7 foot outer meeting resistance R2 by IC2 are the discharge of the voltage on the external C1, when putting 2,6 foot voltages to IC2＜2/3 power supply.The upset of IC2 internal comparator is electronegative potential, internal trigger turn-offs, the internal power output stage is ended, discharge tube ends, and 3 feet of IC2 are electronegative potential, and the C1 charging begins again, so go round and begin again, IC2 constitutes square-wave pulse generator, and the frequency of square wave was decided by the time of discharging and recharging of R1+R2 and C1, and the resistance that changes R1 usually can change the frequency of oscillation of IC2.

Because the square wave of 3 feet of IC2 output is successive, and the alternate pulse of actual needs comes simulated acupuncture and different Therapeutic Method such as massage, it is desultory must making the 3 feet output square wave of IC2, from the internal structure of IC2 as can be known, its 4 foot is the feeder ear of internal trigger, as cut off the power supply of 4 feet, 3 foot no-outputs then, therefore, introduce another 555 time base circuit and make timing circuit IC1, control the 4 foot current potentials height of IC2 with the specific high and low current potential of 3 feet of IC1, thereby control the 3 foot output states of IC2.IC1 has three groups of different RC time constant circuits, insert by K switch 1, make outfan 3 feet of IC1 produce three kinds of different high electronegative potential cycles, and 4 feet of 3 feet of IC1 and IC2 are connected, therefore also just influenced the output state of 3 feet of IC2, export three kinds of different interrupted output pulses, the pulse of the 3 feet output of IC2 is single square wave, based on the consideration on the therapeutic effect, this instrument can be provided with several different waveforms: square wave, sawtooth waveforms, sine wave, mainly outfan 3 feet at IC2 insert several groups of CR circuit by K switch 2, change output wave amplitude over the ground at a time, thereby change the shape of pulse, to obtain different waveforms.Because the work of IC2 pulse generator is the processing procedure of a small-signal, pulse voltage amplitude that it produced and electric current all are very little, therefore, must be through multistage amplification, could form very strong electric current comes the driving pulse transformator to be transformed into pulse power about 70V20mA, for this reason, BG1, the preposition promotion amplification of BG2 two-stage and BG3, BG4 are set and recommend power amplification.The small-signal of the 3 feet output of IC2 is through the base stage of shaping circuit input BG1, through amplifying, export from the BG1 colelctor electrode, arrive the BG2 base stage by gain adjusting circuit R13, amplify, reach 12mA and flow into driving transformer BT1 through BG2, power amplification BG3, BG4 are recommended in promotion, signal code has reached 300mA, and the pulse transformer BT2 by 1: 12 boosts the secondary output pulses that can obtain about 70V20mA again.Because in use will the be different therapentic part of this instrument, Therapeutic Method etc. at different patients; therefore need different voltage amplitude and current intensity; regulate gain-adjusted R13 and just can realize this power adjustments; the outfan of pulse transformer BT2 also connects a light emitting diode; in order to the indication output state; its brightness is directly proportional with the height of output voltage; in addition also and meet the transient overvoltage protection diode D3 of a 80V at outfan; its effect is to eliminate too high peak voltage and the issuable noise of amplifier, prevents that voltage from transfiniting.

Instrument is assemblied in the ABS casing by circuit board, battery case, instrument adopts accessory power outlet to be connected with the plug cord mode, join a high strength output lead outward, interconnect function is in the conductive rubber pole plate and the adhesiveness conductive electrode that acts on other acupuncture points of health at foot bottom acupuncture point respectively for output lead, and host panel is equipped with in output voltage adjusting turn-knob, working mode selection switch and the machine and is provided with variable frequency adjustment potentiometer etc.

Claims

1, a kind of multi-function electric pulse therapeutic equipment, it is characterized in that mounting circuit boards and battery case in the main frame, adopt the connected mode of accessory power outlet and plug, join a high strength output lead outward, connect conductive rubber pole plate and adhesiveness conductive electrode, host circuit board is by the timing circuit that connects successively, slowly start variable frequency oscillator, shaping amplification circuit, power amplification circuit, the voltage transformation output circuit is formed, slowly starting variable frequency oscillator is the main monostable oscillating circuit that is connected into the time-base integrated circuit, the output oscillating impulse, its working cycle is controlled by the outfan of timing circuit, timing circuit inserts time-base integrated circuit by several groups of different RC time constant circuits by switch and constitutes, slowly the oscillating impulse that starts variable frequency oscillator output enters shaping amplification circuit and carries out shaping, amplify, thereafter be connected to power amplification circuit again, carry out power amplification, the output of power amplification circuit is connected to the voltage transformation output circuit, and output is connected to conductive rubber pole plate and adhesiveness conductive electrode respectively to two outfans of voltage transformation output circuit as main frame.

2, multi-function electric pulse therapeutic equipment according to claim 1 is characterized in that the pulse transformer outfan of voltage transformation output circuit and connects a light emitting diode, in addition at outfan also and be connected to transient overvoltage protection diode.

3, multi-function electric pulse therapeutic equipment according to claim 1 is characterized in that in the shaping amplification circuit, and the colelctor electrode output of first amplifying triode arrives the base stage of second amplifying triode by gain adjusting circuit.

4, multi-function electric pulse therapeutic equipment according to claim 1, it is characterized in that starting variable frequency oscillator slowly constitutes square-wave pulse generator by time base circuit, the frequency of square wave was decided by the time of discharging and recharging of resistance and electric capacity, and the resistance that changes resistance promptly changes the frequency of oscillation of time base circuit.