CN216725520U - High-precision constant-voltage source output electro-therapeutic instrument circuit - Google Patents
High-precision constant-voltage source output electro-therapeutic instrument circuit Download PDFInfo
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Abstract
The circuit of the electro-therapeutic apparatus with high-precision constant-voltage source output comprises a main control module, a boosting module, a switch module, a voltage detection module, an electric quantity discharge module, a power supply module and a parameter setting module. The main control module comprises a first signal input end, a second signal input end, a first signal output end, a second signal output end and a third signal output end. The boosting module comprises a control end, a power input end, a first voltage output end, a second voltage output end and a third voltage output end. The switch module comprises a control end, a voltage input end and a voltage output end. The voltage detection module comprises a voltage input end and a signal output end. The electric quantity discharge module comprises a voltage input end and a first signal input end. The output end of the parameter setting module is connected with the second signal input end of the main control module. The technical problem that the electrotherapy effect is not ideal due to the fact that the circuit of the electrotherapy instrument cannot realize the output of a constant voltage source and the voltage is adjustable is solved.
Description
Technical Field
The utility model relates to the field of electronic medical instruments, in particular to a circuit of an electro-therapeutic apparatus with high-precision constant-voltage source output.
Background
The electro-therapeutic apparatus uses AC current or pulse current with certain voltage and frequency, and is connected with human body by means of electrode to stimulate acupoints of human body so as to implement therapeutic and recovery. Because many components of human tissues have certain electrical characteristics, when pulse current passes through the affected part of a human body, muscles, nerves, body fluid and blood of the human body generate physicochemical reactions to a certain degree. The application range of the electro-therapeutic apparatus is as follows: for use in analgesia; improving local blood circulation and promoting inflammation dissipation; softening scar, and releasing adhesion, without any toxic and side effects. The electro-therapeutic apparatus is suitable for any health preserving, health care, beauty treatment, rehabilitation, physiotherapy mechanism and the like, has the characteristics of no injection and no medicine taking, avoids iatrogenic and medicine-induced infection, and is safer for many people, so that the demand of the electro-therapeutic apparatus is continuously increased.
However, when using low-frequency and medium-frequency electronic therapeutic apparatuses for treatment, it is very important to know the appropriate and constant stimulation intensity. The stimulation intensity is low, and the treatment energy is insufficient; the stimulation intensity is high, and the mental stress and the vasoconstriction of the patient can influence the treatment effect.
The existing electro-therapeutic apparatus can not realize constant voltage output, can not output different voltage values according to individual adjustment, and has poor use flexibility.
In view of this, the subject of the present invention is how to design an electro-therapeutic apparatus circuit capable of realizing high-precision constant voltage source output to a human body and adjustable voltage.
Disclosure of Invention
The utility model provides an electro-therapeutic apparatus circuit with high-precision constant-voltage source output, and aims to solve the technical problem that electro-therapeutic apparatus circuits cannot realize constant-voltage source output and voltage adjustment, so that electro-therapeutic effect is not ideal.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an electro-therapeutic apparatus circuit of high accuracy constant voltage source output, the electro-therapeutic apparatus circuit includes host system module, the module of stepping up, switch module, voltage detection module, electric quantity bleeder module, power module and parameter setting module.
The main control module comprises a first signal input end, a second signal input end, a first signal output end, a second signal output end and a third signal output end.
The boosting module comprises a control end, a power input end, a first voltage output end, a second voltage output end and a third voltage output end; the control end of the boosting module is connected with the first signal output end of the main control module; and the power input end of the boosting module is connected with one output end of the power module.
The switch module comprises a control end, a voltage input end and a voltage output end; the control end of the switch module is connected with the second signal output end of the main control module; the voltage input end of the switch module is connected with the first voltage output end of the boosting module; the voltage output end of the switch module is connected with a patient.
The voltage detection module comprises a voltage input end and a signal output end; the voltage input end of the voltage detection module is connected with the second voltage output end of the boosting module; and the signal output end of the voltage detection module is connected with the first signal input end of the main control module.
The electric quantity discharge module comprises a voltage input end and a first signal input end; the voltage input end of the electric quantity discharge module is connected with the third voltage output end of the boosting module; and the first signal input end of the electric quantity discharge module is connected with the third signal output end of the main control module.
And the output end of the parameter setting module is connected with the second signal input end of the main control module.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, before the circuit of the electro-therapeutic apparatus works, the required voltage value is set through the parameter setting module, the setting is realized through key input or knob adjustment, the voltage value can be adjusted, and the voltage value can be displayed for a patient through a data display screen such as an LCD or an LED. The above is achieved by the prior art by those skilled in the art, and is not the innovative point of the present invention, so too much description is not provided.
2. In the scheme, when the circuit of the electro-therapeutic apparatus works, the main control module controls the boosting module to boost voltage to form electrotherapy waves, the voltage detection module detects the current voltage value in real time and feeds the current voltage value back to the main control module, and when the current voltage value reaches the preset voltage value, the main control module controls the switch module to be switched on to transmit the electrotherapy waves to a patient; and if the preset value is not reached, the main control module controls the boosting module to continue boosting. If the electric quantity is larger than a preset value or the electric quantity is residual after one-time output, the main control module controls the electric quantity discharge module to be opened, and the residual electric quantity is discharged. Thus, constant voltage output is realized, and the regulated voltage can be achieved by regulating the voltage by a predetermined value.
3. In the above scheme, the power input end of the boost module is connected with one output end of the power module, and the power supply provides an initial voltage for the boost module.
4. In the above scheme, the power input end of the boost module is connected with one output end of the power module; the voltage input end of the switch module is connected with the first voltage output end of the boosting module; the voltage output end of the switch module is connected with a patient. Through above-mentioned transmission mode, the power provides initial voltage for the power supply of boost module, and the boost module steps up and forms the electrotherapy ripples, transmits to the patient on one's body through switch module again.
5. In the above scheme, the voltage input end of the voltage detection module is connected with the second voltage output end of the boosting module; and the signal output end of the voltage detection module is connected with the first signal input end of the main control module. Through the mode, the current voltage value of the boosting module is output to the voltage detection module for detection, and then is transmitted to the main control module to be compared with a set value, so that the current voltage value is detected in real time.
6. In the scheme, the control end of the boosting module is connected with the first signal output end of the main control module; the voltage input end of the electric quantity discharge module is connected with the third voltage output end of the boosting module; and the first signal input end of the electric quantity discharge module is connected with the third signal output end of the main control module. Through the mode, when the current voltage value exceeds the preset value or after the current voltage value is output once, the electric quantity is remained, the main control module controls the boosting module to transmit the electric quantity to the electric quantity discharging module, and the main control module controls the electric quantity discharging module to start working and discharging.
7. In the above scheme, the main control module includes a timing chip and a single chip microcomputer U3. The model of the timing chip is SG5032CAN, frequency stability 50 x 10-6(ii) a And an output pin of the timing chip is connected to a main frequency input pin of the main control module. The model of the single chip microcomputer U3 is G80F 935; the single-chip microcomputer U3 is provided with pins 1 to 64, a pin 25 of the single-chip microcomputer U3 serves as a first signal input end of the main control module, a pin 24 of the single-chip microcomputer U3 serves as a second signal input end of the main control module, a pin 57 of the single-chip microcomputer U3 serves as a first signal output end of the main control module, a pin 47 and a pin 48 of the single-chip microcomputer U3 serve as a second signal output end of the main control module, and a pin 61 and a pin 62 of the single-chip microcomputer U3 serve as a third signal output end of the main control module.
8. In the above scheme, the boost module includes a first capacitor C201, a diode D301, an inductor L501, a seventh triode Q402, a first resistor R104, and a second resistor R103; the anode of the first capacitor C201 is connected with a diode D301, and the cathode of the first capacitor C is grounded; an end point 1 is arranged on a line between the first capacitor C201 and the diode D301, and the end point 1 is simultaneously used as a first voltage output end, a second voltage output end and a third voltage output end of the boosting module; one end of the inductor L501 is connected with the diode D301, and the other end of the inductor L is used as a power input end of the boosting module and is connected with a power supply VCC; one end of the first resistor R104 is connected to a line between the diode D301 and the inductor L501, the other end of the first resistor R is connected to a collector of a seventh triode Q402, and an emitter of the seventh triode Q402 is grounded; one end of the second resistor R103 is connected with the base of the seventh triode Q402, and the other end of the second resistor R is used as the control end of the boost module.
9. In the above scheme, the switch module includes a first triode Q101, a second triode Q102, a fifth triode Q105, a third resistor R501 and a fourth resistor R502; the base electrode of the fifth triode Q105 is used as the control end of the switch module; one end of the third resistor R501 is connected with the collector of the fifth triode Q105, and the other end of the third resistor R is connected with the base of the first triode Q101; one end of the fourth resistor R502 is connected with the collector of the fifth triode Q105, and the other end is connected with the base of the second triode Q102; the collector of the first triode Q101 is used as a first voltage output end of the switch module and is connected with a patient; an emitting electrode of the first triode Q101 is used as a voltage input end of the switch module; the emitter of the fifth triode Q105 and the collector of the second triode Q102 are both grounded.
10. In the above scheme, the voltage detection module includes an ADC detection module, one end of the ADC detection module is used as a voltage input end of the voltage detection module, and meanwhile, the other end of the ADC detection module is used as a signal input end of the voltage detection module, and the other end of the ADC detection module is used as a signal output end of the voltage detection module.
11. In the above scheme, the electric quantity bleeding module includes an eighth triode Q201 and an eighth resistor R201, one end of the eighth resistor R201 is used as the voltage input end of the electric quantity bleeding module, the other end is connected with the collector of the eighth triode Q201, the base of the eighth triode Q201 is used as the signal input end of the electric quantity bleeding module, and the emitter of the eighth triode Q201 is grounded.
The working principle of the utility model is as follows: before the circuit of the electro-therapeutic apparatus works, a required voltage value is set through the parameter setting module. When the circuit of the electro-therapeutic apparatus works, the main control module controls the boosting module to boost voltage to form electrotherapy waves, the voltage detection module detects the current voltage value in real time and feeds the current voltage value back to the main control module, and when the current voltage value reaches a preset voltage value, the main control module controls the switch module to be switched on to transmit the electrotherapy waves to a patient; and if the preset value is not reached, the main control module controls the boosting module to continue boosting. If the electric quantity is larger than a preset value or the electric quantity is residual after one-time output, the main control module controls the electric quantity discharge module to be opened, and the residual electric quantity is discharged. Thus, constant voltage output is realized, and the regulated voltage can be achieved by regulating the voltage by a predetermined value.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model realizes high-precision constant voltage output by detecting the current voltage value in real time through the voltage detection module and discharging the residual electric quantity through the electric quantity discharge module, has simple circuit and easy implementation, and can improve the electrotherapy effect.
2. The utility model can realize the adjustment of the output voltage value by adjusting the preset voltage value, can adjust the preset voltage value according to different individuals, improves the electrotherapy effect, and is convenient and flexible to adjust.
Drawings
FIG. 1 is a block diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a circuit diagram of a boost module according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a switch module according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of the voltage detection module according to the embodiment of the present invention;
fig. 5 is a working circuit diagram of an electric quantity discharging module according to an embodiment of the present invention;
FIG. 6 is a circuit diagram of the single chip microcomputer according to the embodiment of the present invention.
In the above drawings: c201 and a first capacitor; d301, a diode; l501, inductance; r104 and a first resistor; r103 and a second resistor; r201 and an eighth resistor; q101 and a first triode; q102 and a second triode; q402, the fourth triode; q105 and a fifth triode; q201 and an eighth triode; VCC, power supply.
Detailed Description
The utility model is further described with reference to the following figures and examples:
the embodiment is as follows: high-precision constant-voltage source output electro-therapeutic apparatus circuit
Referring to fig. 1, the circuit of the electro-therapeutic apparatus comprises a main control module, a boosting module, a switch module, a voltage detection module, an electric quantity discharge module, a power supply module and a parameter setting module.
Referring to fig. 6, the main control module includes a first signal input terminal, a second signal input terminal, a first signal output terminal, a second signal output terminal, and a third signal output terminal. The main control module comprises a timing chip and a single chip microcomputer U3. The type of the timing chip is SG5032CAN, and the frequency stability is 50 x 10-6(ii) a And an output pin of the timing chip is connected to a main frequency input pin of the main control module. The type of the single chip microcomputer U3 is G80F 935; the single chip microcomputer U3 is provided with pins 1 to 64, and the pin 25 of the single chip microcomputer U3 is used as a first signal input end of the main control modulePin 24 of the chip microcomputer U3 serves as a second signal input terminal of the main control module, pin 57 of the chip microcomputer U3 serves as a first signal output terminal of the main control module, pin 47 and pin 48 of the chip microcomputer U3 serve as a second signal output terminal of the main control module, and pin 61 and pin 62 of the chip microcomputer U3 serve as a third signal output terminal of the main control module.
Referring to fig. 2, the boost module includes a control terminal, a power input terminal, a first voltage output terminal, a second voltage output terminal, and a third voltage output terminal; the control end of the boosting module is connected with the first signal output end of the main control module; and the power input end of the boosting module is connected with one output end of the power module. The boosting module comprises a first capacitor C201, a diode D301, an inductor L501, a seventh triode Q402, a first resistor R104 and a second resistor R103; the anode of the first capacitor C201 is connected with a diode D301, and the cathode of the first capacitor C is grounded; an end point 1 is arranged on a line between the first capacitor C201 and the diode D301, and the end point 1 is simultaneously used as a first voltage output end, a second voltage output end and a third voltage output end of the boosting module; one end of the inductor L501 is connected with the diode D301, and the other end of the inductor L is used as a power input end of the boosting module and is connected with a power supply VCC; one end of the first resistor R104 is connected to a line between the diode D301 and the inductor L501, the other end of the first resistor R is connected to a collector of a seventh triode Q402, and an emitter of the seventh triode Q402 is grounded; one end of the second resistor R103 is connected with the base of the seventh triode Q402, and the other end of the second resistor R is used as the control end of the boost module.
Referring to fig. 3, the switch module includes a control terminal, a voltage input terminal and a voltage output terminal; the control end of the switch module is connected with the second signal output end of the main control module; the voltage input end of the switch module is connected with the first voltage output end of the boosting module; the voltage output end of the switch module is connected with a patient. The switch module comprises a first triode Q101, a second triode Q102, a fifth triode Q105, a third resistor R501 and a fourth resistor R502; the base electrode of the fifth triode Q105 is used as the control end of the switch module; one end of the third resistor R501 is connected with the collector of the fifth triode Q105, and the other end of the third resistor R is connected with the base of the first triode Q101; one end of the fourth resistor R502 is connected with the collector of the fifth triode Q105, and the other end of the fourth resistor R is connected with the base of the second triode Q102; the collector of the first triode Q101 is used as a first voltage output end of the switch module and is connected with a patient; an emitting electrode of the first triode Q101 is used as a voltage input end of the switch module; the emitter of the fifth triode Q105 and the collector of the second triode Q102 are both grounded.
Referring to fig. 4, the voltage detection module includes a voltage input terminal and a signal output terminal; the voltage input end of the voltage detection module is connected with the second voltage output end of the boosting module; and the signal output end of the voltage detection module is connected with the first signal input end of the main control module. The voltage detection module comprises an ADC detection module, one end of the ADC detection module is used as a voltage input end of the voltage detection module, the end is used as a signal input end of the voltage detection module, and the other end of the ADC detection module is used as a signal output end of the voltage detection module.
Referring to fig. 5, the power dump module includes a voltage input terminal and a first signal input terminal; the voltage input end of the electric quantity discharge module is connected with the third voltage output end of the boosting module; and the first signal input end of the electric quantity discharge module is connected with the third signal output end of the main control module.
And the output end of the parameter setting module is connected with the second signal input end of the main control module. The electric quantity leakage module comprises an eighth triode Q201 and an eighth resistor R201, one end of the eighth resistor R201 serves as a voltage input end of the electric quantity leakage module, the other end of the eighth resistor R201 is connected with a collector electrode of the eighth triode Q201, a base electrode of the eighth triode Q201 serves as a signal input end of the electric quantity leakage module, and an emitting electrode of the eighth triode Q201 is grounded.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an electro-therapeutic apparatus circuit of high accuracy constant voltage source output which characterized in that: the circuit of the electro-therapeutic apparatus comprises a main control module, a boosting module, a switch module, a voltage detection module, an electric quantity discharge module, a power supply module and a parameter setting module;
the main control module comprises a first signal input end, a second signal input end, a first signal output end, a second signal output end and a third signal output end;
the boosting module comprises a control end, a power input end, a first voltage output end, a second voltage output end and a third voltage output end; the control end of the boosting module is connected with the first signal output end of the main control module; the power input end of the boosting module is connected with one output end of the power module;
the switch module comprises a control end, a voltage input end and a voltage output end; the control end of the switch module is connected with the second signal output end of the main control module; the voltage input end of the switch module is connected with the first voltage output end of the boosting module; the voltage output end of the switch module is connected with a patient;
the voltage detection module comprises a voltage input end and a signal output end; the voltage input end of the voltage detection module is connected with the second voltage output end of the boosting module; the signal output end of the voltage detection module is connected with the first signal input end of the main control module;
the electric quantity discharge module comprises a voltage input end and a first signal input end; the voltage input end of the electric quantity discharge module is connected with the third voltage output end of the boosting module; the first signal input end of the electric quantity discharge module is connected with the third signal output end of the main control module;
and the output end of the parameter setting module is connected with the second signal input end of the main control module.
2. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 1, wherein: the main control module comprises a timing chip and a single chip microcomputer (U3).
3. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 2, wherein: the type of the timing chip is SG5032CAN, and the frequency stability is 50 x 10-6(ii) a And an output pin of the timing chip is connected to a main frequency input pin of the main control module.
4. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 2, wherein: the type of the single chip microcomputer (U3) is G80F 935; the single-chip microcomputer (U3) is provided with pins 1 to 64, a pin 25 of the single-chip microcomputer (U3) serves as a first signal input end of the main control module, a pin 24 of the single-chip microcomputer (U3) serves as a second signal input end of the main control module, a pin 57 of the single-chip microcomputer (U3) serves as a first signal output end of the main control module, a pin 47 and a pin 48 of the single-chip microcomputer (U3) serve as a second signal output end of the main control module, and a pin 61 and a pin 62 of the single-chip microcomputer (U3) serve as a third signal output end of the main control module.
5. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 1, wherein: the boosting module comprises a first capacitor (C201), a diode (D301), an inductor (L501), a seventh triode (Q402), a first resistor (R104) and a second resistor (R103); the anode of the first capacitor (C201) is connected with a diode (D301), and the cathode of the first capacitor is grounded; a terminal (1) is arranged on a line between the first capacitor (C201) and the diode (D301), and the terminal (1) is used as a first voltage output end, a second voltage output end and a third voltage output end of the boosting module at the same time; one end of the inductor (L501) is connected with the diode (D301), and the other end of the inductor is used as a power input end of the boosting module and is connected with a power supply (VCC); one end of the first resistor (R104) is connected with a line between the diode (D301) and the inductor (L501), the other end of the first resistor is connected with a collector of a seventh triode (Q402), and an emitter of the seventh triode (Q402) is grounded; one end of the second resistor (R103) is connected with the base electrode of the seventh triode (Q402), and the other end of the second resistor is used as the control end of the boosting module.
6. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 1, wherein: the switch module comprises a first triode (Q101), a second triode (Q102), a fifth triode (Q105), a third resistor (R501) and a fourth resistor (R502); the base electrode of the fifth triode (Q105) is used as the control end of the switch module; one end of the third resistor (R501) is connected with the collector of the fifth triode (Q105), and the other end of the third resistor is connected with the base of the first triode (Q101); one end of the fourth resistor (R502) is connected with the collector of the fifth triode (Q105), and the other end of the fourth resistor (R502) is connected with the base of the second triode (Q102); the collector of the first triode (Q101) is used as a first voltage output end of the switch module and is connected with a patient; an emitter electrode of the first triode (Q101) is used as a voltage input end of the switch module; and the emitter of the fifth triode (Q105) and the collector of the second triode (Q102) are both grounded.
7. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 1, wherein: the voltage detection module comprises an ADC detection module, one end of the ADC detection module is used as a voltage input end of the voltage detection module, the end is used as a signal input end of the voltage detection module, and the other end of the ADC detection module is used as a signal output end of the voltage detection module.
8. The high-precision constant-voltage source output electro-therapeutic apparatus circuit according to claim 1, wherein: the electric quantity leakage module comprises an eighth triode (Q201) and an eighth resistor (R201), one end of the eighth resistor (R201) is used as a voltage input end of the electric quantity leakage module, the other end of the eighth resistor (R201) is connected with a collector electrode of the eighth triode (Q201), a base electrode of the eighth triode (Q201) is used as a signal input end of the electric quantity leakage module, and an emitting electrode of the eighth triode (Q201) is grounded.
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