CN206482986U - A kind of intermediate frequency therapy signal generator - Google Patents
A kind of intermediate frequency therapy signal generator Download PDFInfo
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- CN206482986U CN206482986U CN201620819478.1U CN201620819478U CN206482986U CN 206482986 U CN206482986 U CN 206482986U CN 201620819478 U CN201620819478 U CN 201620819478U CN 206482986 U CN206482986 U CN 206482986U
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Abstract
The utility model discloses a kind of intermediate frequency therapy signal generator, and power circuit is connected with control circuit, D/A converting circuit, reference voltage circuit, operational amplification circuit, current potential adjustment circuit and output circuit;Control circuit is connected with D/A converting circuit, reference voltage circuit and current potential adjustment circuit, and logarithm analog conversion circuit, reference voltage circuit and current potential adjustment circuit are controlled;D/A converting circuit is connected with reference voltage circuit, receives the reference voltage signal of reference voltage circuit;The output end of D/A converting circuit and the input of operational amplification circuit are connected, and the output fundamental wave of generation is sent into operational amplification circuit;The output end of operational amplification circuit is connected with the input of current potential adjustment circuit, and the modulation waveform of generation is sent into current potential adjustment circuit;The output end of current potential adjustment circuit and the input of output circuit are connected, and the amplitude modulation(PAM) waveform of generation is sent into output circuit.Intermediate frequency therapy signal generator therapeutic effect of the present utility model is obvious, comprehensive for the state of an illness.
Description
Technical field
The utility model is related to instrument treatment field, more particularly to a kind of intermediate frequency therapy signal generator.
Background technology
Carry out as military training in the army work is further, many units occur that training injury is occurred frequently and exercise induced fatigue is difficult
The problem of recovery.
At present, used the treatment of training injury and the alleviation of exercise induced fatigue by using medicine more or stimulate musculature
Means are treated and alleviated, and this means slowly effect, treatment cycle is long, and very labor intensive material resources, therapeutic effect
It is limited.
Utility model content
The purpose of this utility model, which is to provide a kind of intermediate frequency therapy signal that can automatically generate intermediate frequency therapy signal, to be occurred
Instrument, and the intermediate frequency therapy signal have instant effect, therapeutic effect substantially, for the comprehensive advantage of the state of an illness.
To achieve the above object, the utility model provides following scheme:
A kind of intermediate frequency therapy signal generator, it is characterised in that including:Power circuit (101), control circuit (102), number
Analog conversion circuit (103), reference voltage circuit (104), operational amplification circuit (105), current potential adjustment circuit (106), output electricity
Road (107);
The power circuit (101) and the control circuit (102), D/A converting circuit (103), reference voltage circuit
(104), operational amplification circuit (105), current potential adjustment circuit (106) and output circuit (107) connection;
The control circuit (102) adjusts with the D/A converting circuit (103), reference voltage circuit (104) and current potential
Circuit (106) is connected, and to the D/A converting circuit (103), reference voltage circuit (104) and the current potential adjustment circuit
(106) it is controlled;
The D/A converting circuit (103) is connected with the reference voltage circuit (104), receives the reference voltage circuit
(104) reference square wave signal;
The output end of the D/A converting circuit (103) is connected with the input of the operational amplification circuit (105), will be produced
Raw modulation fundamental wave is sent to the operational amplification circuit (105);
The output end of the operational amplification circuit (105) is connected with the input of the current potential adjustment circuit (106), will be produced
Raw waveform amplification is sent to the current potential adjustment circuit (106);
The output end of the current potential adjustment circuit (106) is connected with the input of the output circuit (107), by generation
Limiting waveform is sent to the output circuit (107), completes signal output.
Optionally, the intermediate frequency therapy signal generator also includes:Display circuit (108), input and temperature indicator circuit
(109), heater circuit (110) and buzzer circuit (111);
The display circuit (108), input and temperature indicator circuit (109), heater circuit (110) and buzzer circuit
(111) it is connected with the power circuit (101) and the control circuit (102);
The display circuit (108) is used for the prescription code name for showing user's selection;The display circuit (108) includes two
High-speed silicon door cmos device 74LS164, the control circuit (102) is by controlling the high-speed silicon door cmos device 74LS164
Control the display of charactron;
The input is used to input prescription code name and temperature level with temperature indicator circuit (109), is additionally operable to display described
Temperature level;
The model BU406 for the large power triode that the heater circuit (110) uses, in the control circuit (102)
Control under, control heating power;
The buzzer circuit (111) is used to provide button prompting and treatment end prompting.
Optionally, power circuit (101) output+5V, -5V and+15V voltage;The power circuit (101) includes
Three three terminal regulators, the model of three three terminal regulators is respectively MC7815/TO, MC7805/TO and MC7905C/TO220.
Optionally, the model AT89C51 for the single-chip microcomputer (U1) that the control circuit (102) uses;The single-chip microcomputer
(U1) pin P0.0~P0.7 is connected with first resistor (R40);Pin P2.1~P2.6 and second of the single-chip microcomputer (U1)
Resistance (R41) is connected;The pin P2.7 of the single-chip microcomputer (U1) is connected with one end of 3rd resistor (R42), the 3rd resistor
(R42) other end ground connection;The pin of the single-chip microcomputer (U1)It is connected with+5V power supplys;The single-chip microcomputer (U1)+
5V power pins are connected with one end of+5V power supplys and the first electric capacity (C23), the other end ground connection of first electric capacity (C23);Institute
An oscillator (X1) is connected between the pin XTAL1 and pin XTAL2 that state single-chip microcomputer (U1);The pin of the single-chip microcomputer (U1)
The one end of XTAL1 also with the second electric capacity (C1) is connected, the pin XTAL2 of the single-chip microcomputer (U1) also with the 3rd electric capacity (C2) one
End is connected, and the other end of second electric capacity (C1) is connected and is grounded with the other end of the 3rd electric capacity (C2).
Optionally, analog-digital chip (U62) the model DAC0832 that the D/A converting circuit (103) uses;It is described
Pin DB0~DB7 of analog-digital chip (U62) is corresponding in turn to be connected with pin P0.0~P0.7 of the single-chip microcomputer (U1);
The pin of the analog-digital chip (U62) IOUT2, DGND and AGND are grounded, pinWith
The pin P3.6 connections of the single-chip microcomputer (U1), pin ILE is connected with+5V power supplys.
Optionally, the reference voltage circuit (104) includes the first operational amplifier (U6B), the 4th resistance (R10), the
Five resistance (R12), the 6th resistance (R13), the 7th resistance (R14) and the 4th electric capacity (C4);The type of the operational amplifier (U6B)
Number be TL062;
Described 6th resistance (R13) one end is connected with+5V power supplys, the other end and first operational amplifier (U6B)
In-phase input end is connected;7th resistance (R14) one end ground connection, the other end is same with first operational amplifier (U6B)
Phase input is connected;Described 5th resistance (R12) one end is connected with the pin P3.3 of the single-chip microcomputer (U1), the other end with it is described
The inverting input connection of first operational amplifier (U6B);The inverting input of first operational amplifier (U6B) and output
The resistance (R10) of resistance the 4th is connected between end;4th electric capacity (C4) is in parallel with the 4th resistance (R10);It is described
The output end of first operational amplifier (U6B) is connected with the pin VREF of the analog-digital chip (U62);First computing
Amplifier U6B positive supply input is connected with+5V power supplys, and negative supply input is connected with -5V power supplys.
Optionally, the operational amplification circuit (105) includes the second operational amplifier (U6A) and the 8th resistance (R11);Institute
State the model TL062 of the second operational amplifier (U6A);
The in-phase input end of second operational amplifier (U6A) and the pin of the analog-digital chip (U62)
IOUT2, DGND and AGND are connected, inverting input and the analog-digital chip of second operational amplifier (U6A)
(U62) pin IOUT1 connections, the positive supply input of second operational amplifier (U6A) is connected with+5V power supplys, negative electricity
Source input is connected with -5V power supplys;The output end of second operational amplifier (U6A) and the analog-digital chip (U62)
Pin RFB connections.
Optionally, the model X9C103 for the digital regulation resistance (U7) that the current potential adjustment circuit (106) uses;
The pin of the digital regulation resistance (U7)It is connected with the pin P3.5 of the single-chip microcomputer (U1);The numeral electricity
The pin of position device (U7)It is connected with the pin P3.4 of the single-chip microcomputer (U1);The pin of the digital regulation resistance (U7)
It is connected with the pin P3.7 of the single-chip microcomputer (U1);The pin VL ground connection of the digital regulation resistance (U7);
One end of the 8th resistance (R11) of the operational amplification circuit (105) and the operational amplification circuit (105)
Second operational amplifier (U6A) output end connection, the numeral of the other end and the current potential adjustment circuit (106)
The pin VH connections of potentiometer (U7).
Optionally, the output circuit includes power amplifier (U10), the 9th resistance (R15), the tenth resistance (R16), the
11 resistance (R17), the 12nd resistance (R18), the 13rd resistance (R19), the 14th resistance (R21), the 15th resistance
(R22), the 5th electric capacity (C5), the 6th electric capacity (C6), the 7th electric capacity (C7), the 8th electric capacity (C8), the 9th electric capacity (C9), the tenth electricity
Hold (C10), the first transformer (J2);The model TDA2003 of the power amplifier (U10);13rd resistance (R19)
For slide rheostat;
One end of 9th resistance (R15) and the digital regulation resistance (U7) of the current potential adjustment circuit (106)
Pin VW connections, the other end is connected with the positive terminals of the 5th electric capacity (C5);Tenth resistance (R16) and the described 9th
Electric capacity (C9) is connected in parallel rear one end and is connected with the positive terminals of the 5th electric capacity (C5), other end ground connection;5th electricity
The negative terminals for holding (C5) are connected with the in-phase input end of the power amplifier (U10);The power amplifier (U10) it is anti-
Phase input is connected with the positive terminals of the 6th electric capacity (C6), the negative terminals of the 6th electric capacity (C6) and described the
The fixing end connection of 13 resistance (R19);The of the sliding end of 13rd resistance (R19) and first transformer (J2)
Two pins are connected;The positive supply input termination+15V power supplys of the power amplifier (U10), negative supply input end grounding;It is described
One end of tenth electric capacity (C10) is connected with the power amplifier (U10) positive supply input, other end ground connection;The power
The output end of amplifier (U10) is connected with the positive terminals of the 7th electric capacity (C7), the negative wiring of the 7th electric capacity (C7)
End is connected with the first pin of first transformer (J2);One end of 11st resistance (R17) and the described 13rd electricity
Hinder the fixing end connection of (R19), other end ground connection;One end of 12nd resistance (R18) and the power amplifier (U10)
Output end connection, the other end is connected with the fixing end of the 13rd resistance (R19);14th resistance (R21) and institute
State one end after the parallel connection of the 15th resistance (R22) to be connected with the sliding end of the 13rd resistance (R19), other end ground connection;It is described
The positive terminals of 8th electric capacity (C8) are connected with the first pin of first transformer (J2), bear terminals and the described 13rd
The sliding end connection of resistance (R19);First transformer (J2) exports pulse current by the 3rd pin and the 4th pin.
Optionally, the intermediate frequency therapy signal generator also includes electrode;The electrode and human contact, by the output
The pulse current of the output of circuit is transported to human body.
The specific embodiment provided according to the utility model, the utility model discloses following technique effect:
Can automatically generate the instant effect of intermediate frequency therapy signal, therapeutic effect substantially, for the comprehensive intermediate frequency therapy of the state of an illness
Signal generator, and the intermediate frequency therapy signal have instant effect, therapeutic effect substantially, for the comprehensive advantage of the state of an illness.
Further,
1st, intermediate frequency therapy signal generator of the present utility model acts on human body by exporting pulse current, to body foci
Physiological stimulation is produced, instant effect, therapeutic effect are good.
2nd, intermediate frequency therapy signal generator of the present utility model can voluntarily select prescription, and sufferer is according to the actual feelings of oneself
Condition selects suitable prescription, and Heal Thyself can be also realized even if the participation without doctor.
3rd, intermediate frequency therapy signal generator of the present utility model is treated by adjusting pulse current, save manpower and
Drug resource, while avoiding due to the injury that drug therapy is caused to human body.
4th, intermediate frequency therapy signal generator of the present utility model is simple to operate, easy to use, for treating during training injury, real
Existing patient's self-treatment, can successfully manage the problem of training injury is occurred frequently.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is that the connection between a kind of each circuit module of intermediate frequency therapy signal generator embodiment of the utility model is shown
It is intended to;
Fig. 2 is a kind of circuit structure diagram of the power circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Fig. 3 is a kind of circuit structure diagram of the control circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Fig. 4 is a kind of circuit structure of the D/A converting circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure;
Fig. 5 is a kind of circuit structure of the reference voltage circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure;
Fig. 6 is a kind of circuit structure of the operational amplification circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure;
Fig. 7 is a kind of circuit structure of the current potential adjustment circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure;
Fig. 8 is a kind of circuit structure diagram of the output circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Fig. 9 is a kind of circuit structure diagram of the display circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Figure 10 is a kind of input of intermediate frequency therapy signal generator embodiment of the utility model and the electricity of temperature indicator circuit
Line structure figure;
Figure 11 is a kind of circuit structure diagram of the heater circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Figure 12 is a kind of circuit structure diagram of the buzzer circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Figure 13 is a kind of circuit structure diagram of the reset circuit of intermediate frequency therapy signal generator embodiment of the utility model;
Figure 14 is a kind of circuit structure of the power indicating circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of intermediate frequency therapy signal generator.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
Fig. 1 is that the connection between a kind of each circuit module of intermediate frequency therapy signal generator embodiment of the utility model is shown
It is intended to;
, referring to Fig. 1, a kind of intermediate frequency therapy signal generator, including:Power circuit 101, control circuit 102, digital-to-analogue conversion
Circuit 103, reference voltage circuit 104, operational amplification circuit 105, current potential adjustment circuit 106, output circuit 107;
The power circuit 101 and the control circuit 102, D/A converting circuit 103, reference voltage circuit 104, computing
Amplifying circuit 105, current potential adjustment circuit 106 and output circuit 107 are connected, for controlling circuit 102, digital-to-analogue conversion electricity to be described
Road 103, reference voltage circuit 104, operational amplification circuit 105, current potential adjustment circuit 106 and output circuit 107 provide electric energy;
The control circuit 102 and the D/A converting circuit 103, reference voltage circuit 104 and current potential adjustment circuit 106
Connection, and the D/A converting circuit 103, reference voltage circuit 104 and the current potential adjustment circuit 106 are controlled;
The D/A converting circuit 103 is connected with the reference voltage circuit 104, receives the reference voltage circuit 104
Reference square wave signal;
The output end of the D/A converting circuit 103 is connected with the input of the operational amplification circuit 105, by generation
Modulation fundamental wave is sent to the operational amplification circuit 105;
The output end of the operational amplification circuit 105 is connected with the input of the current potential adjustment circuit 106, by generation
Waveform amplification is sent to the current potential adjustment circuit 106;
The output end of the current potential adjustment circuit 106 is connected with the input of the output circuit 107, by the amplitude limit of generation
Waveform is sent to the output circuit 107, completes signal output.
Optionally, the intermediate frequency therapy signal generator also includes:Display circuit 108, input and temperature indicator circuit
109th, heater circuit 110 and buzzer circuit 111;
The display circuit 108, input with temperature indicator circuit 109, heater circuit 110 and buzzer circuit 111 with
The power circuit 101 and the control circuit 102 are connected;
The display circuit 108 is used for the prescription code name for showing user's selection;
The input is used to input prescription code name and temperature level with temperature indicator circuit 109, is additionally operable to show the temperature
Spend size;
The heater circuit 110 controls the power of heating under the control of the control circuit 102;
The buzzer circuit 111 is used to provide button prompting and treatment end prompting.
Optionally, the intermediate frequency therapy signal generator also includes reset circuit 112 and power indicating circuit 113;
The reset circuit 112 is connected with the power circuit 101 and the control circuit 102, the power supply instruction electricity
Road 113 is connected with the power circuit 101;
Fig. 2 is a kind of circuit structure diagram of the power circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Fig. 2, the power circuit 101 exports+5V, -5V and+15V voltage;The power circuit 101 includes becoming
Depressor J3, three three terminal regulators U13, U14, U15, electric capacity C11, C12, C13, C15, C16, C17, C18, C19, C20, C21,
C22, diode D2, D3, D4, D5, D6, D7;
The transformer J3 includes 5 output pins;The model MC7815/TO of the U13, the model of the U14
For MC7805/TO, the model MC7905C/TO220 of the U14;The C11 is has electrode capacitance, and capacitance is 4700 μ F,
Rated voltage is 35V;Described electric capacity C12, C15 is have electrode capacitance, and capacitance is 2200 μ F, and rated voltage is 25V;The electricity
It is electrodeless electric capacity to hold C13, C16, C17, C21, C22, and capacitance is 0.1 μ F;The electric capacity C18 is has electrode capacitance, and electric capacity holds
Measure as 1000 μ F, rated voltage is 16V;Described electric capacity C19, C20 is have electrode capacitance, and capacitance is 100 μ F, and rated voltage is
16V;Described diode D2, D3, D4, D5, D6, D7 model 1N4007;
The first pin of the transformer J3 is connected with the hot end of the diode D3, the low electricity of the diode D3
Position end is connected with the cold end of the diode D2;The 5th pin of the transformer J3 and the high potential of the diode D2
End connection;The cold end of the diode D2 is connected with the pin IN ends of the U13, the pin OUT outputs+15V of the U13
Voltage;The positive terminals of the electric capacity C11 are connected with the pin IN of the U13, bear terminals ground connection;The electric capacity C22's
One end is connected with the pin IN of the U13, other end ground connection;The pin GND ground connection of the U13;The positive wiring of the electric capacity C12
End is connected with the pin OUT of the U13, bears terminals ground connection;One end of the electric capacity C13 connects with the pin OUT of the U13
Connect, other end ground connection;
The second pin of the transformer J3 and the hot end and the low potential of the diode D5 of the diode D4
End connection;The 4th pin of the transformer J3 and the hot end of the diode D6 and the cold end of the diode D7
Connection;The cold end of the diode D4 and the diode D6 cold end are connected with the pin IN of the U14;It is described
Diode D6 hot end and the diode D7 hot end are connected with the pin IN of the U15;The pin of the U14
OUT outputs+5V voltage;The positive terminals of the electric capacity C15 are connected with the pin IN of the U14, bear terminals ground connection;It is described
Electric capacity C22 one end is connected with the pin IN of the U14, other end ground connection;The pin GND ground connection of the U14;The electric capacity
C17 one end is connected with the pin OUT of the U14, other end ground connection;The positive terminals of the electric capacity C18 draw with the U14's
Pin OUT connections, bear terminals ground connection;The pin OUT outputs -5V of U15 voltage;The positive terminals of the electric capacity C19 with
The pin IN connections of the U15, bear terminals ground connection;One end of the electric capacity C21 is connected with the pin OUT of the U15, another
End ground connection;The negative terminals of the electric capacity C20 are connected with the pin OUT of the U15, positive terminals ground connection;
The 3rd pin ground connection of the transformer J3.
The output voltage of the transformer J3 is converted into+5V power supplys, -5V power supplys and+15V electricity by the power circuit 101
Source.+ 15V the power supplys are formed under the conversion of the U13, and+5V the power supplys are formed under the conversion of the U14
, -5V the power supplys are formed under the conversion of the U15.+ 5V the power supplys, -5V power supplys of the generation of power circuit 101
The power supply requirement of each circuit of intermediate frequency therapy signal generator is disclosure satisfy that with+15V power supplys.And realized by three terminal regulator
Power supply is exported, and stabilizes output voltage, it is ensured that the voltage stability of out-put supply.
Fig. 3 is a kind of circuit structure diagram of the control circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Fig. 3, the control circuit 102 include single-chip microcomputer U1, oscillator X1, electric capacity C1, C2, C23, resistance R40,
R41、R42;
The model AT89C51, the oscillator X1 of the U1 frequency of oscillation are 6MHz, and described electric capacity C1, C2 are nothing
Electrode capacitance, capacitance is 30pF;The electric capacity C23 is electrodeless electric capacity, and capacitance is 0.1 μ F;The resistance R40 is 8
The resistance group that resistance constitutes for 5.1k Ω resistance;The resistance R41 is the resistance composition that 8 resistances are 10k Ω
Resistance group;The resistance of the resistance R42 is 10k Ω;
Pin P0.0~P0.7 of the U1 is connected respectively one end of 8 resistance in the resistance R40, the electricity
The other end of 8 resistance links together and is connected with+5V power supplys in resistance R40;Pin P2.1~P2.6 of the U1 is right respectively
The other end of 8 resistance links together simultaneously in the one end for 6 resistance that should be connected in the resistance R41, the resistance R41
It is connected with+5V power supplys;The pin P2.7 of the U1 is connected with resistance R42 one end, the other end ground connection of the resistance R42;Institute
Pin/the VPP for stating U1 is connected with+5V power supplys;+ 5V the power pins of the U1 are connected with one end of+5V power supplys and electric capacity C23,
The other end ground connection of the electric capacity C23;An oscillator X1 is connected between the pin XTAL1 and pin XTAL2 of the U1;The U1
One end also with electric capacity C1 of pin XTAL1 be connected, the one end of the pin XTAL2 of the U1 also with electric capacity C2 is connected, the electricity
The other end for holding C1 is connected and is grounded with the other end of the electric capacity C2.
The control circuit 102 is under the input and the control of the input signal of temperature indicator circuit 109, and control is described
The output waveform and frequency of D/A converting circuit 103, the output amplitude of the control current potential adjustment circuit 106, control it is described plus
The heating-up temperature of heater circuit 110, while the prescription code name and temperature control that are inputted according to the input with temperature indicator circuit 109
Signal, controls the display circuit 108 to show the prescription code name, controls the input to show temperature with temperature indicator circuit 109
The size of degree.Also, the control circuit 102 is always according to the input and the key-press input sent of temperature indicator circuit 109
Signal, controls the buzzer circuit 111 to send key prompting voice.When treatment end, the control circuit 102 controls described
Buzzer circuit 111 sends treatment end prompt tone.
Fig. 4 is a kind of circuit structure of the D/A converting circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Referring to Fig. 4, the D/A converting circuit 103 includes chip U62, the U62 model DAC0832;
Pin DB0~DB7 of the U62 is corresponding in turn to be connected with pin P0.0~P0.7 of the U1;The U62's draws
Pin IOUT2, DGND and AGND are grounded, and pin is connected with the pin P3.6 of the U1, and pin ILE is connected with+5V power supplys.
The D/A converting circuit 103 receives the reference square wave signal that the reference voltage circuit 104 is exported, the digital-to-analogue
Change-over circuit 103 is adjusted built-in modulation waveform with the reference square wave signal under the control of the control circuit 102
System, modulated rear generation modulation fundamental wave, and the modulation fundamental wave is output to the operational amplification circuit 105.
The waveform of the modulation fundamental wave includes:Sine wave, square wave, triangular wave, sharp wave, exponential wave, sawtooth waveforms, persistent wave.
By the control to the modulation fundamental frequency, and then realize the control of the frequency to the pulse current of output.
Fig. 5 is a kind of circuit structure of the reference voltage circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Referring to Fig. 5, the reference voltage circuit 104 includes operational amplifier U6B, resistance R10, R12, R13, R14 and electricity
Hold C4;
The model TL062 of the U6B;The electric capacity C4 is electrodeless electric capacity, and capacitance is 300pF;The resistance R10
Resistance be that 30k Ω, resistance R12 resistance is that 10k Ω, resistance R13 resistance is 47k Ω,
The resistance of the resistance R14 is 15k Ω;
Described resistance R13 one end is connected with+5V power supplys, and the other end is connected with the in-phase input end of the U6B;The resistance
R14 one end is grounded, and the other end is connected with the in-phase input end of the U6B;Described resistance R12 one end and the pin P3.3 of the U1
Connection, the other end is connected with the inverting input of the U6B;Connected between the inverting input and output end of the U6B described
Resistance R10;The electric capacity C4 is in parallel with the resistance R10;The output end of the U6B is connected with the pin VREF of the U62;Institute
The positive supply input for stating U6B is connected with+5V power supplys, and negative supply input is connected with -5V power supplys.
The reference voltage circuit 104 produces reference square wave signal under the control of the control circuit 102, and will be described
Reference square wave signal output is to the D/A converting circuit 103.
Fig. 6 is a kind of circuit structure of the operational amplification circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Referring to Fig. 6, the operational amplification circuit 105 includes operational amplifier U6A and resistance R11;The model of the U6A
TL062;The resistance of the resistance R11 is 22k Ω;
The in-phase input end of the U6A is connected with pin IOUT2, DGND and AGND of the U62, and the U6A's is anti-phase
Input is connected with the pin IOUT1 of the U62, and the positive supply input of the U6A is connected with+5V power supplys, negative supply input
End is connected with -5V power supplys;The output end of the U6A is connected with the pin RFB of the U62.
The modulation fundamental wave that the D/A converter module 103 is exported is amplified life by the operational amplification circuit 105
The current potential adjusting module 106 is input into waveform amplification, and by the waveform amplification.
Fig. 7 is a kind of circuit structure of the current potential adjustment circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Referring to Fig. 7, the current potential adjustment circuit 106 includes digital regulation resistance U7, the U7 model X9C103;
The pin of the U7 is connected with the pin P3.5 of the U1;The pin U/ and the U1 of the U7 pin P3.4 connect
Connect;The pin of the U7 is connected with the pin P3.7 of the U1;The pin VL ground connection of the U7;
The resistance R11 of the operational amplification circuit 105 one end is defeated with the U6A's of the operational amplification circuit 105
Go out end connection, the other end is connected with the U7 of the current potential adjustment circuit 106 pin VH.
The current potential adjustment circuit 106 enters line amplitude tune to the waveform amplification under the control of the control circuit 102
It is whole, limiting waveform is generated, and the limiting waveform is output to the output circuit 107.
The current potential adjustment circuit 106 is adjusted by entering line amplitude to the waveform amplification, and then controls the pulse electricity
The size of current of stream.The size of the electric current is divided into Three Estate, respectively feels limit, shrinks limit and resistance to limited;It is described to feel
The size of current of limit is minimum, makes human body lighter to the sensation of electric current;The size of current for shrinking limit is medium, makes human body flesh
Meat has contractile response under the function of current;The resistance to limited size of current is highest, human body is felt heavier to electric current, with
The size of current that human body can be born is the upper limit.
Fig. 8 is a kind of circuit structure diagram of the output circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Fig. 8, the output circuit 107 include power amplifier U10, resistance R15, R16, R17, R18, R19, R21,
R22, electric capacity C5, C6, C7, C8, C9, C10, transformer J2;
The model TDA2003 of the U10;The electric capacity C5 is has electrode capacitance, and capacitance is 10 μ F, and rated voltage is
16V;The electric capacity C6 is has electrode capacitance, and capacitance is 100 μ F, and rated voltage is 16V;The electric capacity C7 is to have electrode capacitance,
Capacitance is 1000 μ F, and rated voltage is 16V;The electric capacity C8 is has electrode capacitance, and capacitance is 10 μ F, and rated voltage is
50V, the electric capacity C9 are electrodeless electric capacity, and capacitance is 0.01 μ F;The electric capacity C10 is electrodeless electric capacity, and capacitance is 0.1
μF;The resistance of the resistance R15 is 10k Ω;The resistance of the resistance R16 is 3.3k Ω;The electricity of the resistance R17
Resistance resistance is 2.2 Ω;The resistance of the resistance R18 is 43 Ω;The resistance of the resistance R19 is 10 Ω;The electricity
Resistance R19 is slide rheostat, and maximum value is 10 Ω;Described resistance R21, R22 resistance are 1 Ω;
One end of the resistance R15 is connected with the U7 of the current potential adjustment circuit 106 pin VW, the other end and institute
State C5 positive terminals connection;The resistance R16 is connected in parallel rear one end with the C9 and is connected with the positive terminals of the C5, separately
One end is grounded;The negative terminals of the C5 are connected with the in-phase input end of the U10;The inverting input of the U10 with it is described
Electric capacity C6 positive terminals connection, the negative terminals of the electric capacity C6 are connected with the fixing end of the resistance R19;The resistance
R19 sliding end is connected with the second pin of the J2;The positive supply input termination+15V power supplys of the U10, negative supply input
End ground connection;One end of the electric capacity C10 is connected with the U10 positive supplies input, other end ground connection;The output end of the U10
It is connected with the positive terminals of the electric capacity C7, the negative terminals of the electric capacity C7 are connected with the first pin of the J2;The electricity
Resistance R17 one end is connected with the fixing end of the resistance R19, other end ground connection;One end of the resistance R18 is with the U10's
Output end is connected, and the other end is connected with the fixing end of the resistance R19;One end after the resistance R21 is in parallel with the resistance R22
It is connected with the sliding end of the resistance R19, other end ground connection;The positive terminals of the electric capacity C8 connect with the first pin of the J2
Connect, negative terminals are connected with the sliding end of the resistance R19;The J2 exports pulse electricity by the 3rd pin and the 4th pin
Stream.
The output circuit 107 carries out the limiting waveform after the signal transactings such as power amplification, transformation with pulse current
Form output.
Fig. 9 is a kind of circuit structure diagram of the display circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Fig. 9, the display circuit 108 include high-speed silicon door cmos device U3, U4, charactron U11, resistance R24,
R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37、R38、R39;
Described U3, U4 model 74LS164, the U11 model 7SEG2;The resistance R24~R39 resistance resistance
Value is 51 Ω;The control circuit 102 is by controlling the high-speed silicon door cmos device 74LS164 to control charactron U11's
Display;
The pin A and B and the U1 of the U3 pin P3.0 are connected, the pin CLK and the U1 of the U3 pin
P3.1 connections, the pin CLR of the U3 is connected with+5V power supplys, pin QA, QB, QC, QD, QE, QF, QG, QH difference of the U3
Correspondence is connected to one end of the resistance R24~R31, and the other end of the resistance R24~R31 is connected respectively described
U11 pin dp2, g2, f2, e2, d2, c2, b2, a2;The pin A and B and the U3 of the U4 pin QH are connected;The U4
Pin CLK be connected with the pin P3.1 of the U1;The pin CLR of the U4 is connected with+5V power supplys;The pin QA of the U4,
QB, QC, QD, QE, QF, QG, QH are connected respectively one end of the resistance R32~R39;Resistance R32~the R39's is another
One end is connected respectively pin dp1, g1, f1, e1, d1, c1, b1, a1 of the U11;The pin dig1 of the U11 and
Dig2 is connected with+5V power supplys.
The prescription that the display circuit 108 is selected according to user, shows corresponding prescription code name.The display module is shown
Two digits, the numeral of 19 prescription correspondence displays is 01~19.
Figure 10 is a kind of input of intermediate frequency therapy signal generator embodiment of the utility model and the electricity of temperature indicator circuit
Line structure figure.
Referring to Figure 10, the input includes showing for LED and the JP1 by key control, electricity with temperature indicator circuit 109
Hinder R3, R4, R5, R6, R7, R8, indicator lamp LED1, LED2, LED3, LED4, LED5, LED6;
The JP1 includes 26 pins, is numbered respectively with 1~26;Described R3, R4, R5, R6, R7, R8 resistance
Resistance is 51 Ω;
One end of the resistance R3~R8 is connected respectively the pin P1.1 of the U1 in the control circuit 102
~P1.6;The other end of the resistance R3~R8 be connected respectively the indicator lamp LED1, LED2, LED3, LED4,
LED5, LED6 one end;Described indicator lamp LED1, LED2, LED3, LED4, LED5, LED6 other end are connected respectively
The pin 2~7 of the JP1;The pin 9~14 of the JP1 is connected respectively the U1's in the control circuit 102
Pin P2.1~P2.6;The pin 22,21,20,19,18,17 of the JP1 is connected respectively in the control circuit 102
The U1 pin P2.1~P2.6;The pin 1,15,16 of the JP1 is connected with+5V power supplys;The pin 8 of the JP1,23,
24th, 25,26 ground connection.
The prescription code name and temperature level that the input selects user with temperature indicator circuit 109 are output to the control
Circuit 102, the control circuit carries out the regulation of waveform and the control of temperature according to the selection of user, so as to export with specific
The pulse current of amplitude and frequency and by output temperature regulation to specifying size.
The input is additionally operable to indicate temperature level with temperature indicator circuit 109.The input and temperature indicator circuit 109
The temperature level that user is selected is output to the control circuit 102, and the temperature that the control circuit 102 is selected according to user is big
The small control input and the bright of 6 indicator lamps LED1, LED2, LED3, LED4, LED5, LED6 of temperature indicator circuit 109 or
Go out, the size of temperature is indicated by the light on and off of 6 indicator lamps.
Figure 11 is a kind of circuit structure diagram of the heater circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Figure 11, the heater circuit 110 includes triode Q2, photoelectrical coupler U2, resistance R23, socket J1;It is described
Triode Q2 model BU406, the U2 model P521, the resistance R23 resistance are 1k Ω, the socket
Include 6 input pins;
One end of the resistance R23 is connected with the pin P1.7 of the U1, and the other end is connected with the negative electrode of the U2;It is described
U2 anode and colelctor electrode is connected with+5V power supplys;The emitter stage of the U2 is connected with the base stage of the triode Q2, three pole
Pipe Q2 colelctor electrode is connected with the 6th pin of the J1;The grounded emitter of the triode Q2;The 5th pin of the J1
It is connected with the 4th pin of the J2 in the output circuit 107;The second pin of the J1 and the J2 in the output circuit 107
The 3rd pin connection;The 3rd pin of the J1 is connected with the 4th pin of the J1;The first pin of the J1 with it is described
The pin IN connections of the U13 in power circuit 101;
The J1 realizes pulse current output and heating output.
The control circuit 102 exports PWM waveform to the heater circuit 110, after photoelectrical coupler U2, by described
Triode Q2 described in heater circuit 110 controls heating power, so as to realize the control to heating.
Figure 12 is a kind of circuit structure diagram of the buzzer circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Figure 12, the buzzer circuit 111 includes buzzer LS1, triode Q1, resistance R1, R2;
The model 9013 of the triode Q1, the resistance of the resistance R1 is 10 Ω, the resistance of the resistance R2
Resistance is 10k Ω;
One end of the LS1 is connected with+5V power supplys, and the other end is connected with the colelctor electrode of the triode Q1;Three pole
Pipe Q1 grounded emitter;The base stage of the triode Q1 is connected with one end of the resistance R1;The other end of the resistance R1
It is connected with the pin P1.0 of the U1 in the control circuit 102;One end of the resistance R2 and the base of the triode Q1
Pole is connected, and the other end is connected with+5V power supplys.
When user selects prescription code name or temperature level by button, the buzzer circuit 111 is in the control
Key prompting voice can be sent under the control of circuit 102, points out button effective.When treatment end, the buzzer circuit 111 exists
Treatment end prompt tone can be sent under the control of the control circuit 102, treatment end is pointed out.
Figure 13 is a kind of circuit structure diagram of the reset circuit of intermediate frequency therapy signal generator embodiment of the utility model.
Referring to Figure 13, the reset circuit 112 includes electric capacity C3, resistance R9, diode D8;
The electric capacity C3 is has electrode capacitance, and capacitance is 10 μ F;The resistance of the resistance R9 is 10k Ω;
The positive terminals of the electric capacity C3 are connected with+5V power supplys, bear terminals and the U1 in the control circuit 102
Pin RST connections;The hot end of the diode D8 is connected with the pin RST of the U1 in the control circuit 102,
Cold end is grounded;One end of the resistance R9 is connected with the pin RST of the U1 in the control circuit 102, the other end
Ground connection.
The reset circuit 112 is used for the reset or replacement of the intermediate frequency therapy signal generator.When the reset circuit
112 when realizing reset function, and the prescription code name is considered as non-selected, and the display circuit 108 shows that numeral is 00, the temperature
Size is considered as minimum, and the input and 6 indicator lamps of temperature indicator circuit 109 go out entirely.
Figure 14 is a kind of circuit structure of the power indicating circuit of intermediate frequency therapy signal generator embodiment of the utility model
Figure.
Referring to Figure 14, the power indicating circuit 113 includes diode D1 and resistance R20;
The diode D1 is light emitting diode, model 1091M;The resistance of the resistance R20 is 51 Ω;
The hot end of the diode D1 is connected with+5V power supplys, and cold end is connected with one end of the resistance R20;
The other end ground connection of the resistance R20.
The power indicating circuit 113 be used for indicate+5V power supplys whether normal power supply.Open the intermediate frequency therapy signal hair
After raw instrument, if the diode D1 of the power indicating circuit 113 is lighting lamp state, then it represents that+5V the power supplys are normally supplied
Electricity;If the diode D1 of the power indicating circuit 113 is state of turning off the light, then it represents that+5V the abnormity of power supply is powered.
Optionally, the intermediate frequency therapy signal generator also includes electrode, the electrode and human contact, by the output
The pulse current of the output of circuit is transported to human body.
Table 1 is a kind of prescription code name of 19 prescriptions of intermediate frequency therapy signal generator embodiment of the application and indication pair
Answer table.
Table 1
Referring to table 1, the specific treatment method of 19 prescriptions is as follows:
Prescription 1
Modulating frequency is 2kHz, stimulates hepatic region dispelling fatigue.
Effect includes, and stimulates hepatic region and corresponding acupuncture point to improve liver circulation, promotes metabolism, promotes the energy matters such as hepatic glycogen
Synthesis, accelerates the metabolites such as lactic acid and decomposes, so as to reach the purpose for eliminating exercise induced fatigue.
Treatment method includes,
Treatment method one:Two electrodes are placed on upper abdomen hepatic region and the opposed treatment of the small of the back;
Treatment method two:By two electrodes and it is emitted on hepatic region and is treated;
Treatment method three:Two electrodes are placed on right Qimen, right Jingmen acupuncture point and put two electrodes by acupoint therapy
Put at right Fuai, right bl acupuncture point.
Prescription 2
Modulating frequency is 1kHz, stimulates hepatic region dispelling fatigue.
Effect and treatment method are with prescription 1
Prescription 3
Modulating frequency is 0.5kHz, stimulates hepatic region dispelling fatigue.
Effect and treatment method are with prescription 1
Prescription 4
There is provided the different carrier waves of five kinds of 2KHz, 3KHz, 4KHz, 5KHz, 6KHz, stimulate depth from the superficial to the deep, not only stimulate
Superficial tissues are treated, and also have good effect of stimulation to deep tissues (such as liver, shoulder, buttocks).Meanwhile, by promoting
Enter the circulation of liver blood fortune and metabolism, well curative effect is controlled so as to have to all kinds of fatty livers, dysfunction of liver, liver fibrosis
Really.
Treatment method is with prescription 1
Prescription 5
Effect:Treat adnexitis, gynecopathy such as pelvic inflammatory pelvic inflammation.
Treatment method one:Two electrodes are individually placed to lower abdomen and the opposed treatment of lumbosacral region.
Treatment method two:Two electrodes are placed on into lower abdomen to be treated.
Treatment method three:Two electrodes are placed directly in into scleroma punishment to treat, current class is resistance to limited.
Prescription 6
Effect:Treat the throat illnesss such as pharyngitis, laryngitis, vocal nodule, paralysis vocal cord.
Treatment method:Throat's both sides treatment is placed on two electrodes, current class is resistance to limited.
Prescription 7
Effect:Treat the digestive system illnesss such as gastroptosis, gastric disorder, constipation.
Treatment method:Two electrodes are individually placed to opposed treatment before and after belly, current class is resistance to limited.
Prescription 8
Effect:Treatment is because of the peripheral nerve paralysis or pain caused by peripheral nerve injury.
Treatment method:By an electrode, on the motor point for being placed on muscle and nerve, another electrode is placed on waist neck or waist
Sacrum portion.By taking sciatica as an example, two battery lead plates, one is placed on buttocks, and one is placed on the treatment of posterior leg face, current class
It is limited to be resistance to.
Prescription 9
Effect:Eliminate waist and belly muscle, the Fatique after Sports of upper and lower extremities muscle.
Treatment method:By two electrode juxtapositions or the opposed muscle sites in fatigue, current class is resistance to limited.
Prescription 10
Effect:Electric gymnastics, exercise stimulate muscle, toned up the muscles.
Electric gymnastics be using modulation pulse current stimulating normal muscle or denervation muscle, make normal muscle or
The contraction of muscle of denervation is to reach the purpose of reinforcing.
Treatment method:According to the electrode of the volume selection correspondence size of required stimulation muscle, and two electrodes are put respectively
Put in the muscle starting both sides treatment that need to be stimulated, current class is resistance to limited.
In prescription 10, the electric current that human body is stood is bigger, and effect is more obvious.
Prescription 11
Effect:Treatment of arthritis, rheumatoid arthritis, osteoproliferation, painful swelling of joints, chondromalacia patella, meniscus injury,
And have obvious detumescence, antiinflammation.
Treatment method:According to the size of therapentic part, the electrode of selection correspondence size, and by two electrode contrapositions or juxtaposition
In affected part.
Prescription 12
Effect:Treat the enthesiopathies such as the periarthritis of shoulderjoint, shoulder mobility dysfunction, tennis elbow, tenosynovitis.
Treatment method:By taking tennis elbow as an example, with two battery lead plates, one is put in condylus lateralis humeri portion, and another electrode is put
In homonymy adjacent place, or by two electrodes in the opposed treatment of elbow lateral, current class is resistance to limited.
Prescription 13
Effect:Treatment acute or chronic soft tissue is slightly sprained, dampened, muscular strain, eliminates the discomfort of aching at each position etc., has
Good analgesia and the effect of diminishing inflammation.
Treatment method:According to the size of therapentic part, the electrode of selection correspondence size, and by two electrode contrapositions or juxtaposition
In affected part, current class is resistance to limited.
Prescription 14
Effect:The adhesion of tendon for the treatment of surgical postoperative, synarthrophysis, postoperative intestinal adhesion, postoperative wound scar proliferation, scar
Pimple etc..
Treatment method:Two electrodes are individually positioned in the both sides juxtapositions treatment of postoperative wound scar, or by two electrodes
It is placed directly in scar and treats, current class is resistance to limited.
Prescription 15
Functional electrostimulation is that neuromuscular system is stimulated using pulse current, causes contraction of muscle to obtain Effective power
The treatment method of energy sexuality, is applied in the rehabilitation course of paralysis more, is such as stimulated non-nerve or tibialis anterior, is strengthened dorsiflexion of foot
The muscular strength of flesh, to improve the gait of paralytic;Sacral nerve is stimulated, it is logical to urinate flesh, sphincter to improve bowel movement function etc..
Treatment method:One electrode is placed on the motor point of N&M and treated, another electrode is placed on back
Or lumbosacral region, or two electrodes are placed on to the starting two ends of bone and flesh, current class is resistance to limited.
Prescription 16
Effect:Treat ureteral calculi, Biliary Calculi.
Treatment method:
1) ureteral calculi:Two electrodes are placed on rectus aabdominis both sides, current class is resistance to limited.
2) Biliary Calculi:Two electrodes are individually placed to opposed treatment before and after upper abdomen, current class is resistance to limited.
Prescription 17
Effect:Treat the retention of urine caused by the reason such as postpartum or abdominal post-operation.
Treatment method:One electrode is placed on lower abdomen, another electrode is placed on the treatment of sacrum portion, current class is tolerance
Limit.
Prescription 18
Effect:Epidermis and hypodermis are stimulated, improves circulation, promotes metabolism, promotes elastomer synthesis, disappears so as to reach
The purpose of wrinkle.
Treatment method:By two electrodes and be emitted on need treat epidermis or hypodermis.
Prescription 19
Effect:Treat the diseases such as scorching female mammary gland, the proliferation of mammary gland and tumour.The intermediate frequency therapy signal generator passes through electricity
Stimulation is massaged, and is improved local blood circulation, is improved estrogen secretion levels, make the function normalization of ERs.
The safety of prescription 19 has no side effect, and also has obvious effect to treatment functional uterine bleeding.
Treatment method:From breast electrode special, breast electrode special is placed on the treatment of breast both sides, current class is resistance to
It is limited.
Above-mentioned 19 prescriptions, the treatment time of each prescription is 20 minutes.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand method of the present utility model and its core concept;Simultaneously for the general technology of this area
Personnel, according to thought of the present utility model, will change in specific embodiments and applications.In summary,
This specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of intermediate frequency therapy signal generator, it is characterised in that including:Power circuit (101), control circuit (102), digital-to-analogue
Change-over circuit (103), reference voltage circuit (104), operational amplification circuit (105), current potential adjustment circuit (106), output circuit
(107);
The power circuit (101) with it is described control circuit (102), D/A converting circuit (103), reference voltage circuit (104),
Operational amplification circuit (105), current potential adjustment circuit (106) and output circuit (107) connection;
The control circuit (102) and the D/A converting circuit (103), reference voltage circuit (104) and current potential adjustment circuit
(106) connect, and to the D/A converting circuit (103), reference voltage circuit (104) and the current potential adjustment circuit (106)
It is controlled;
The D/A converting circuit (103) is connected with the reference voltage circuit (104), receives the reference voltage circuit
(104) reference square wave signal;
The output end of the D/A converting circuit (103) is connected with the input of the operational amplification circuit (105), by generation
Modulation fundamental wave is sent to the operational amplification circuit (105);
The output end of the operational amplification circuit (105) is connected with the input of the current potential adjustment circuit (106), by generation
Waveform amplification is sent to the current potential adjustment circuit (106);
The output end of the current potential adjustment circuit (106) is connected with the input of the output circuit (107), by the amplitude limit of generation
Waveform is sent to the output circuit (107), completes signal output.
2. a kind of intermediate frequency therapy signal generator according to claim 1, it is characterised in that also include:Display circuit
(108), input and temperature indicator circuit (109), heater circuit (110) and buzzer circuit (111);
The display circuit (108), input and temperature indicator circuit (109), heater circuit (110) and buzzer circuit (111)
It is connected with the power circuit (101) and the control circuit (102);
The display circuit (108) is used for the prescription code name for showing user's selection;The display circuit (108) includes two high speeds
Silicon door cmos device 74LS164, the control circuit (102) is by controlling the high-speed silicon door cmos device 74LS164 to control
The display of charactron;
The input is used to input prescription code name and temperature level with temperature indicator circuit (109), is additionally operable to show the temperature
Size;
The model BU406 for the large power triode that the heater circuit (110) uses, in the control of the control circuit (102)
Under system, the power of heating is controlled;
The buzzer circuit (111) is used to provide button prompting and treatment end prompting.
3. a kind of intermediate frequency therapy signal generator according to claim 1, it is characterised in that the power circuit (101)
Output+5V, -5V and+15V voltage;The power circuit (101) includes three three terminal regulators, three three terminal regulators
Model is respectively MC7815/TO, MC7805/TO and MC7905C/TO220.
4. a kind of intermediate frequency therapy signal generator according to claim 1, it is characterised in that
The model AT89C51 for the single-chip microcomputer (U1) that the control circuit (102) uses;The pin P0.0 of the single-chip microcomputer (U1)
~P0.7 is connected with first resistor (R40);Pin P2.1~P2.6 of the single-chip microcomputer (U1) is connected with second resistance (R41);
The pin P2.7 of the single-chip microcomputer (U1) is connected with one end of 3rd resistor (R42), another termination of the 3rd resistor (R42)
Ground;The pin of the single-chip microcomputer (U1)/ VPP is connected with+5V power supplys;+ 5V the power pins of the single-chip microcomputer (U1) and+5V
One end of power supply and the first electric capacity (C23) is connected, the other end ground connection of first electric capacity (C23);The single-chip microcomputer (U1)
An oscillator (X1) is connected between pin XTAL1 and pin XTAL2;The pin XTAL1 of the single-chip microcomputer (U1) is also electric with second
The one end for holding (C1) is connected, and the one end of the pin XTAL2 of the single-chip microcomputer (U1) also with the 3rd electric capacity (C2) is connected, and described second
The other end of electric capacity (C1) is connected and is grounded with the other end of the 3rd electric capacity (C2).
5. a kind of intermediate frequency therapy signal generator according to claim 4, it is characterised in that
Analog-digital chip (U62) the model DAC0832 that the D/A converting circuit (103) uses;The digital-to-analogue conversion core
Pin DB0~DB7 of piece (U62) is corresponding in turn to be connected with pin P0.0~P0.7 of the single-chip microcomputer (U1);The digital-to-analogue turns
Change chip (U62) pinIOUT2, DGND and AGND are grounded, pinWith the single-chip microcomputer
(U1) pin P3.6 connections, pin ILE is connected with+5V power supplys.
6. a kind of intermediate frequency therapy signal generator according to claim 4, it is characterised in that
The reference voltage circuit (104) include the first operational amplifier (U6B), the 4th resistance (R10), the 5th resistance (R12),
6th resistance (R13), the 7th resistance (R14) and the 4th electric capacity (C4);The model TL062 of the operational amplifier (U6B);
Described 6th resistance (R13) one end is connected with+5V power supplys, the other end and the same phase of first operational amplifier (U6B)
Input is connected;7th resistance (R14) one end ground connection, the other end is same mutually defeated with first operational amplifier (U6B)
Enter end connection;Described 5th resistance (R12) one end is connected with the pin P3.3 of the single-chip microcomputer (U1), the other end and described first
The inverting input connection of operational amplifier (U6B);The inverting input and output end of first operational amplifier (U6B) it
Between connect the resistance (R10) of resistance the 4th;4th electric capacity (C4) is in parallel with the 4th resistance (R10);Described first
The output end of operational amplifier (U6B) is connected with the pin VREF of the analog-digital chip (U62);First operation amplifier
The positive supply input of device (U6B) is connected with+5V power supplys, and negative supply input is connected with -5V power supplys.
7. a kind of intermediate frequency therapy signal generator according to claim 5, it is characterised in that
The operational amplification circuit (105) includes the second operational amplifier (U6A) and the 8th resistance (R11);Second computing
The model TL062 of amplifier (U6A);
The in-phase input end of second operational amplifier (U6A) and the pin IOUT2 of the analog-digital chip (U62),
DGND and AGND connections, the inverting input of second operational amplifier (U6A) and drawing for the analog-digital chip (U62)
Pin IOUT1 connections, the positive supply input of second operational amplifier (U6A) is connected with+5V power supplys, negative supply input
It is connected with -5V power supplys;The output end of second operational amplifier (U6A) and the pin RFB of the analog-digital chip (U62)
Connection.
8. a kind of intermediate frequency therapy signal generator according to claim 7, it is characterised in that
The model X9C103 for the digital regulation resistance (U7) that the current potential adjustment circuit (106) uses;
The pin of the digital regulation resistance (U7)It is connected with the pin P3.5 of the single-chip microcomputer (U1);The digital regulation resistance
(U7) pin U/It is connected with the pin P3.4 of the single-chip microcomputer (U1);The pin of the digital regulation resistance (U7)With institute
State the pin P3.7 connections of single-chip microcomputer (U1);The pin VL ground connection of the digital regulation resistance (U7);
One end of the 8th resistance (R11) of the operational amplification circuit (105) and the institute of the operational amplification circuit (105)
State the output end connection of the second operational amplifier (U6A), the other end and the digital current potential of the current potential adjustment circuit (106)
The pin VH connections of device (U7).
9. a kind of intermediate frequency therapy signal generator according to claim 8, it is characterised in that
The output circuit includes power amplifier (U10), the 9th resistance (R15), the tenth resistance (R16), the 11st resistance
(R17), the 12nd resistance (R18), the 13rd resistance (R19), the 14th resistance (R21), the 15th resistance (R22), the 5th electricity
Hold (C5), the 6th electric capacity (C6), the 7th electric capacity (C7), the 8th electric capacity (C8), the 9th electric capacity (C9), the tenth electric capacity (C10), first
Transformer (J2);The model TDA2003 of the power amplifier (U10);13rd resistance (R19) is slip variable resistance
Device;
One end of 9th resistance (R15) and the pin of the digital regulation resistance (U7) of the current potential adjustment circuit (106)
VW connections, the other end is connected with the positive terminals of the 5th electric capacity (C5);Tenth resistance (R16) and the 9th electric capacity
(C9) the positive terminals for being connected in parallel rear one end with the 5th electric capacity (C5) are connected, other end ground connection;5th electric capacity
(C5) negative terminals are connected with the in-phase input end of the power amplifier (U10);The power amplifier (U10) it is anti-phase
Input is connected with the positive terminals of the 6th electric capacity (C6), the negative terminals and the described 13rd of the 6th electric capacity (C6)
The fixing end connection of resistance (R19);The sliding end of 13rd resistance (R19) draws with the second of first transformer (J2)
Pin is connected;The positive supply input termination+15V power supplys of the power amplifier (U10), negative supply input end grounding;Described tenth
One end of electric capacity (C10) is connected with the power amplifier (U10) positive supply input, other end ground connection;The power amplification
The output end of device (U10) is connected with the positive terminals of the 7th electric capacity (C7), the negative terminals of the 7th electric capacity (C7) with
The first pin connection of first transformer (J2);One end of 11st resistance (R17) and the 13rd resistance
(R19) fixing end connection, other end ground connection;One end of 12nd resistance (R18) and the power amplifier (U10)
Output end is connected, and the other end is connected with the fixing end of the 13rd resistance (R19);14th resistance (R21) with it is described
One end is connected with the sliding end of the 13rd resistance (R19) after 15th resistance (R22) is in parallel, other end ground connection;Described
The positive terminals of eight electric capacity (C8) are connected with the first pin of first transformer (J2), bear terminals and the described 13rd electricity
Hinder the sliding end connection of (R19);First transformer (J2) exports pulse current by the 3rd pin and the 4th pin.
10. a kind of intermediate frequency therapy signal generator according to claim 1, it is characterised in that also including electrode;The electricity
Pole and human contact, human body is transported to by the pulse current of the output of the output circuit.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106215316A (en) * | 2016-07-28 | 2016-12-14 | 中国人民解放军第150中心医院 | A kind of intermediate frequency therapy signal generator |
CN109331337A (en) * | 2018-11-12 | 2019-02-15 | 吴军发 | The doublet impulse wave of a kind of Variable Amplitude and variable pulse width is through cranium stimulating apparatus and method |
-
2016
- 2016-07-28 CN CN201620819478.1U patent/CN206482986U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106215316A (en) * | 2016-07-28 | 2016-12-14 | 中国人民解放军第150中心医院 | A kind of intermediate frequency therapy signal generator |
CN106215316B (en) * | 2016-07-28 | 2018-11-16 | 中国人民解放军第150中心医院 | A kind of intermediate frequency therapy signal generator |
CN109331337A (en) * | 2018-11-12 | 2019-02-15 | 吴军发 | The doublet impulse wave of a kind of Variable Amplitude and variable pulse width is through cranium stimulating apparatus and method |
CN109331337B (en) * | 2018-11-12 | 2022-03-11 | 吴军发 | Amplitude-variable and pulse-width-variable symmetric pulse wave transcranial stimulation device and method |
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