CN209967424U - High-potential therapeutic instrument - Google Patents
High-potential therapeutic instrument Download PDFInfo
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- CN209967424U CN209967424U CN201820771456.1U CN201820771456U CN209967424U CN 209967424 U CN209967424 U CN 209967424U CN 201820771456 U CN201820771456 U CN 201820771456U CN 209967424 U CN209967424 U CN 209967424U
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Abstract
The utility model discloses a high potential therapeutic instrument belongs to instrument and meter technical field, including MCU, waveform generation circuit, push-pull circuit, transformer T4, inverter circuit, boost circuit and power supply circuit, provide a high potential therapeutic instrument with intermediate frequency medical function, the utility model discloses combine together intermediate frequency medical circuit and high potential medical circuit to through the mode that ground wire keeps apart and power is kept apart, with the power supply system of intermediate frequency medical circuit and the power supply system of high potential medical circuit mutual isolation, stopped high potential medical instrument because of its self high voltage frequency conversion disturb the problem of intermediate frequency medical circuit's frequency output.
Description
Technical Field
The utility model belongs to the technical field of instrument and meter, in particular to high potential therapeutic instrument.
Background
The high-potential therapeutic apparatus is a medical apparatus which gives alternating-current potential to a human body in an insulated state to generate a special natural bionic electric field around the human body, and treats a patient by using the beneficial effects (bioelectricity effect) of the electric field on the human body.
At present, high-potential therapeutic apparatuses have single high-potential therapeutic functions, and have more and more requirements on comprehensive medical equipment along with the requirements of modern families.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high potential therapeutic instrument, which has the intermediate frequency medical function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high potential therapeutic instrument comprises an MCU, a waveform generating circuit, a push-pull circuit, a transformer T4, a frequency conversion circuit, a booster circuit and a power supply circuit, wherein the waveform generating circuit comprises a waveform generator U2 and peripheral circuits thereof, a D0-D7 pin, a WCLK pin, a FOOD pin, a RESET pin and a CLKIN pin of the waveform generator U2 are all connected with a group of IO ports of the MCU, and an IOUT pin of a waveform generator U2 outputs square wave waveforms from 50Hz to 150Hz through an inductor L1; the model of the waveform generator U2 is AD 9834; the model of the MCU is STM32F 103.
The push-pull circuit comprises a controlled silicon Q1 and a controlled silicon Q2, the drain and the source of the controlled silicon Q1 are respectively connected with two primary ends of a transformer T4, two secondary ends of the transformer T4 are respectively connected with two electrodes, the drain of the controlled silicon Q1 is also connected with a +15V power supply, the source of the controlled silicon Q1 is also connected with the source of the controlled silicon Q2, the drain of the controlled silicon Q2 is connected with a-15V power supply, the drain of the controlled silicon Q1 is connected with the drain of the controlled silicon Q2, and the square wave waveform of 50Hz to 150Hz is input into the drain of the controlled silicon Q1 and the drain of the controlled silicon Q2;
the boosting circuit comprises a transformer T1, a resistor R12, a resistor R13 and a resistor R14, wherein the resistor R12, the resistor R13 and the resistor R14 are connected in series to form a resistor matching network, one end of the secondary of the transformer T1 is connected with a ground wire, and the other end of the secondary of the transformer T1 is connected with an electrode of the high-potential therapeutic apparatus through the resistor matching network;
the frequency conversion circuit is a frequency conversion driving circuit consisting of a field effect transistor Q4, a field effect transistor Q5, a field effect transistor Q6 and a field effect transistor Q7, the input end of the frequency conversion driving circuit is connected to the output end of a rectifier bridge B1 through a silicon controlled rectifier Q3, the input end of a sorting bridge B1 is connected with mains supply, the output end of the frequency conversion driving circuit is the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7, and the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7 are respectively connected with the two primary ends of;
the grid of the controlled silicon Q3 is connected with an IO port of the MCU through a resistor R15;
the power supply circuit comprises a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C11, a capacitor C10, a capacitor C12, a capacitor C13, a capacitor C14, a resistor R9, a resistor R10, a voltage regulator IC1, a voltage regulator IC2 and a voltage regulator IC3, wherein the input end of the voltage regulator IC1, the input end of the voltage regulator IC2 and the input end of the voltage regulator IC3 are all connected with the output end of a rectifier bridge B1, the output end of the voltage regulator IC1 outputs a-15V power supply, the output end of the voltage regulator IC2 outputs a +15V power supply, the output end of the voltage regulator IC3 outputs a VCC power supply, and the VCC power supply supplies power for the MCU.
The 4 feet of the rectifier bridge B1 are first ground wires, the ground wire of the voltage stabilizer IC1, the ground wire of the voltage stabilizer IC2 and the ground wire of the voltage stabilizer IC3 form a second ground wire, one end of the secondary connection ground wire of the transformer T1 is a third ground wire, the first ground wire is connected with the second ground wire through a resistor R10, the first ground wire is connected with the third ground wire through a resistor R9, and the resistor R10 and the resistor R9 are both 0 ohm resistors.
The model of the voltage stabilizer IC1 is LM7915, the model of the voltage stabilizer IC2 is LM7815, and the model of the voltage stabilizer IC3 is ASM 1117.
A high potential therapeutic instrument, a high potential therapeutic instrument provides a high potential therapeutic instrument with intermediate frequency medical function, the utility model discloses combine together intermediate frequency medical circuit and high potential medical circuit to through the mode that ground wire keeps apart and power is kept apart, with the power supply system of intermediate frequency medical circuit and the power supply system mutual isolation of high potential medical circuit, stopped high potential medical instrument because of its self high-voltage frequency conversion and disturbed the problem of the frequency output of intermediate frequency medical circuit.
Drawings
Fig. 1 is a block diagram of the circuit diagram of the present invention;
fig. 2 is a circuit diagram of a waveform generating circuit of the present invention;
fig. 3 is a circuit diagram of the push-pull circuit, the transformer T4, the frequency conversion circuit, the voltage boost circuit and the power supply circuit of the present invention.
Detailed Description
The high-potential therapeutic apparatus shown in fig. 1-3 comprises an MCU, a waveform generating circuit, a push-pull circuit, a transformer T4, a frequency conversion circuit, a voltage boosting circuit and a power supply circuit, wherein the waveform generating circuit comprises a waveform generator U2 and peripheral circuits thereof, pins D0-D7, a pin WCLK, a pin FOUD, a pin RESET and a pin CLKIN of the waveform generator U2 are all connected to a group of IO ports of the MCU, and the IOUT pin of the waveform generator U2 outputs a square wave from 50Hz to 150Hz through an inductor L1; the model of the waveform generator U2 is AD 9834; the model of the MCU is STM32F 103.
The push-pull circuit comprises a controlled silicon Q1 and a controlled silicon Q2, the drain and the source of the controlled silicon Q1 are respectively connected with two primary ends of a transformer T4, two secondary ends of the transformer T4 are respectively connected with two electrodes, the drain of the controlled silicon Q1 is also connected with a +15V power supply, the source of the controlled silicon Q1 is also connected with the source of the controlled silicon Q2, the drain of the controlled silicon Q2 is connected with a-15V power supply, the drain of the controlled silicon Q1 is connected with the drain of the controlled silicon Q2, and the square wave waveform of 50Hz to 150Hz is input into the drain of the controlled silicon Q1 and the drain of the controlled silicon Q2;
the MCU inputs corresponding digital information through data input ends D0-D7 of the AD9834, controls the AD9834 to output a square wave waveform of 50Hz to 150Hz through a WCLK pin, a FOOD pin, a RESET pin and a CLKIN pin, the square wave of 50Hz to 150Hz is driven by a push-pull circuit controlled silicon Q1 and a controlled silicon Q2, and then outputs an intermediate frequency square wave of 50Hz to 150Hz for treatment at a secondary coil end of a transformer T4, and the square wave is loaded on an electrode of the intermediate frequency treatment instrument to realize the intermediate frequency treatment function, and the electrode of the intermediate frequency treatment instrument is the prior art, so the details are not described.
Fig. 2 is a specific circuit diagram of the waveform generating circuit of the present invention, wherein the resistor R6 is a pull-up resistor of the reset pin of AD9834, the resistor R1, the resistor R2, the resistor R8, the resistor R3, the resistor R4, the resistor R5, the inductor L1, the capacitor C2, the capacitor C1 and the capacitor C3 constitute a peripheral circuit of the AD9834, the PVCC pin, the DVDD pin and the AVDD pin of the AD9834 are all connected to the VCC power supply, the AVDD pin must be connected to a filter capacitor CX1 for filtering the reference voltage end of the AD9834, and the PGND pin and the DGND pin of the AD9834 are connected to the second ground line and the AGND pin is connected to the third ground line, thereby ensuring that the frequency conversion interference of the frequency converter circuit does not affect the reference voltage of the AD9834, and ensuring the stable output of the AD 9834.
As shown in fig. 3, the voltage boost circuit includes a transformer T1, a resistor R12, a resistor R13 and a resistor R14, the resistor R12, the resistor R13 and the resistor R14 are connected in series to form a resistor matching network, one end of the secondary of the transformer T1 is connected to the ground, the other end of the secondary is connected to the electrode of the high-potential therapeutic apparatus through the resistor matching network, and the electrode of the high-potential therapeutic apparatus is the prior art, so the details are not described;
the frequency conversion circuit is a frequency conversion driving circuit consisting of a field effect transistor Q4, a field effect transistor Q5, a field effect transistor Q6 and a field effect transistor Q7, the input end of the frequency conversion driving circuit is connected to the output end of a rectifier bridge B1 through a silicon controlled rectifier Q3, the input end of a sorting bridge B1 is connected with mains supply, the output end of the frequency conversion driving circuit is the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7, and the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7 are respectively connected with the two primary ends of;
the resistor R12, the resistor R13 and the resistor R14 are resistor matching circuits and are used for carrying out resistor matching on the output of the transformer T1, so that the output potential and the output current of the transformer T1 meet the requirements of a high-potential treatment electrode.
The inductor L2 and the capacitor C16 form a filter circuit of the primary side of the step-up transformer T1.
MCU realizes the frequency conversion through the logic that ends/switches on of control field effect transistor Q4, field effect transistor Q5, field effect transistor Q6 and field effect transistor Q7, and silicon controlled rectifier Q3 is frequency conversion circuit's control circuit for whether frequency conversion circuit is opened in control, and the utility model discloses still be equipped with the button matrix, the button matrix is connected with MCU, be used for providing man-machine to the user and exchange the port, thereby the user can open frequency conversion circuit through key control and carry out the high potential treatment.
The grid of the controlled silicon Q3 is connected with an IO port of the MCU through a resistor R15;
the power supply circuit comprises a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C11, a capacitor C10, a capacitor C12, a capacitor C13, a capacitor C14, a resistor R9, a resistor R10, a voltage regulator IC1, a voltage regulator IC2 and a voltage regulator IC3, wherein the input end of the voltage regulator IC1, the input end of the voltage regulator IC2 and the input end of the voltage regulator IC3 are all connected with the output end of a rectifier bridge B1, the output end of the voltage regulator IC1 outputs a-15V power supply, the output end of the voltage regulator IC2 outputs a +15V power supply, the output end of the voltage regulator IC3 outputs a VCC power supply, and the VCC power supply supplies power for the MCU.
The 4 feet of the rectifier bridge B1 are first ground wires, the ground wire of the voltage stabilizer IC1, the ground wire of the voltage stabilizer IC2 and the ground wire of the voltage stabilizer IC3 form a second ground wire, one end of the secondary connection ground wire of the transformer T1 is a third ground wire, the first ground wire is connected with the second ground wire through a resistor R10, the first ground wire is connected with the third ground wire through a resistor R9, and the resistor R10 and the resistor R9 are both 0 ohm resistors.
The model of the voltage stabilizer IC1 is LM7915, the model of the voltage stabilizer IC2 is LM7815, and the model of the voltage stabilizer IC3 is ASM 1117.
LM7915 in the power supply circuit provides the negative voltage that push-pull circuit needs, LM7815 provides the positive voltage that push-pull circuit needs, and ASM1117 provides the voltage of 3.3V, and these three regulators supply power for push-pull circuit and waveform generation circuit respectively alone, and its output ground wire is the second ground wire, guarantees that the ground wire of intermediate frequency signal and converter ground wire are isolated completely, guarantees the normal output of intermediate frequency signal.
The utility model provides a circuit hardware structure of high potential therapeutic instrument of intermediate frequency medical treatment function, the user can the utility model provides a structurally realize control logic for circuit hardware.
A high potential therapeutic instrument, a high potential therapeutic instrument provides a high potential therapeutic instrument with intermediate frequency medical function, the utility model discloses combine together intermediate frequency medical circuit and high potential medical circuit to through the mode that ground wire keeps apart and power is kept apart, with the power supply system of intermediate frequency medical circuit and the power supply system mutual isolation of high potential medical circuit, stopped high potential medical instrument because of its self high-voltage frequency conversion and disturbed the problem of the frequency output of intermediate frequency medical circuit.
Claims (3)
1. A high potential therapeutic instrument, which is characterized in that: the device comprises an MCU, a waveform generating circuit, a push-pull circuit, a transformer T4, a frequency conversion circuit, a booster circuit and a power supply circuit, wherein the waveform generating circuit comprises a waveform generator U2 and a peripheral circuit thereof, pins D0-D7, a WCLK pin, a FOOD pin, a RESET pin and a CLKIN pin of the waveform generator U2 are all connected with a group of IO ports of the MCU, and the IOUT pin of the waveform generator U2 outputs square wave waveforms from 50Hz to 150Hz through an inductor L1;
the push-pull circuit comprises a controlled silicon Q1 and a controlled silicon Q2, the drain and the source of the controlled silicon Q1 are respectively connected with two primary ends of a transformer T4, two secondary ends of the transformer T4 are respectively connected with two electrodes, the drain of the controlled silicon Q1 is also connected with a +15V power supply, the source of the controlled silicon Q1 is also connected with the source of the controlled silicon Q2, the drain of the controlled silicon Q2 is connected with a-15V power supply, the drain of the controlled silicon Q1 is connected with the drain of the controlled silicon Q2, and the square wave waveform of 50Hz to 150Hz is input into the drain of the controlled silicon Q1 and the drain of the controlled silicon Q2;
the boosting circuit comprises a transformer T1, a resistor R12, a resistor R13 and a resistor R14, wherein the resistor R12, the resistor R13 and the resistor R14 are connected in series to form a resistor matching network, one end of the secondary of the transformer T1 is connected with a ground wire, and the other end of the secondary of the transformer T1 is connected with an electrode of the high-potential therapeutic apparatus through the resistor matching network;
the frequency conversion circuit is a frequency conversion driving circuit consisting of a field effect transistor Q4, a field effect transistor Q5, a field effect transistor Q6 and a field effect transistor Q7, the input end of the frequency conversion driving circuit is connected to the output end of a rectifier bridge B1 through a silicon controlled rectifier Q3, the input end of a sorting bridge B1 is connected with mains supply, the output end of the frequency conversion driving circuit is the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7, and the drain electrode of a silicon controlled rectifier Q4 and the source electrode of a silicon controlled rectifier Q7 are respectively connected with the two primary ends of;
the grid of the controlled silicon Q3 is connected with an IO port of the MCU through a resistor R15;
the power supply circuit comprises a capacitor C6, a capacitor C8, a capacitor C9, a capacitor C11, a capacitor C10, a capacitor C12, a capacitor C13, a capacitor C14, a resistor R9, a resistor R10, a voltage regulator IC1, a voltage regulator IC2 and a voltage regulator IC3, wherein the input end of the voltage regulator IC1, the input end of the voltage regulator IC2 and the input end of the voltage regulator IC3 are all connected with the output end of a rectifier bridge B1, the output end of the voltage regulator IC1 outputs a-15V power supply, the output end of the voltage regulator IC2 outputs a +15V power supply, the output end of the voltage regulator IC3 outputs a VCC power supply, and the VCC power supply supplies power for the MCU.
2. The high potential treatment apparatus of claim 1 wherein: the 4 feet of the rectifier bridge B1 are first ground wires, the ground wire of the voltage stabilizer IC1, the ground wire of the voltage stabilizer IC2 and the ground wire of the voltage stabilizer IC3 form a second ground wire, one end of the secondary connection ground wire of the transformer T1 is a third ground wire, the first ground wire is connected with the second ground wire through a resistor R10, the first ground wire is connected with the third ground wire through a resistor R9, and the resistor R10 and the resistor R9 are both 0 ohm resistors.
3. The high potential treatment apparatus of claim 1 wherein: the model of the waveform generator U2 is AD9834, and the model of the MCU is STM32F 103; the model of the voltage stabilizer IC1 is LM7915, the model of the voltage stabilizer IC2 is LM7815, and the model of the voltage stabilizer IC3 is ASM 1117.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771456.1U CN209967424U (en) | 2018-05-23 | 2018-05-23 | High-potential therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771456.1U CN209967424U (en) | 2018-05-23 | 2018-05-23 | High-potential therapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209967424U true CN209967424U (en) | 2020-01-21 |
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ID=69249519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820771456.1U Expired - Fee Related CN209967424U (en) | 2018-05-23 | 2018-05-23 | High-potential therapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209967424U (en) |
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2018
- 2018-05-23 CN CN201820771456.1U patent/CN209967424U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20200523 |