CN109120162B - Voltage generating device for electric potential therapeutic instrument - Google Patents
Voltage generating device for electric potential therapeutic instrument Download PDFInfo
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- CN109120162B CN109120162B CN201811249601.0A CN201811249601A CN109120162B CN 109120162 B CN109120162 B CN 109120162B CN 201811249601 A CN201811249601 A CN 201811249601A CN 109120162 B CN109120162 B CN 109120162B
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- voltage
- high voltage
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 30
- 239000004593 Epoxy Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000002560 therapeutic procedure Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Power Engineering (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention provides a voltage generating device for a potential therapeutic apparatus, comprising: the high-voltage power supply circuit converts 220V power frequency alternating current into stable direct current high voltage power with continuously adjustable output, the output is positive high voltage to the ground, the intermediate frequency circuit converts the 220V power frequency alternating current into medium frequency alternating current high voltage power, the selection switch outputs high voltage to the ground or medium frequency high voltage according to the selection of the circuit, the switching power supply low voltage circuit converts the 220V power frequency alternating current into stable direct current low voltage power, and meanwhile, the switching power supply low voltage circuit converts the 220V power frequency alternating current into direct current virtual ground for output. The voltage generating device for the electric potential therapeutic apparatus can realize the simultaneous output of high voltage and low voltage, can realize the independent output of high voltage or low voltage, can realize the simultaneous output of high voltage and low voltage, and simultaneously solves the problems of mutual interference and high voltage breakdown among high-voltage and low-voltage circuits.
Description
Technical Field
The invention relates to a voltage generating device, in particular to a voltage generating device for a potential therapeutic instrument.
Background
The electric potential therapeutic instrument is an instrument which creates an electromagnetic environment, mainly an electric field environment, by using 1000V-30000V voltage, adjusts the human body by utilizing the electromagnetic field, keeps the comprehensive balance of the internal environment of the human body and achieves the purposes of treatment and health care. The electric potential therapeutic apparatus is composed of high voltage generator and electrode for generating electric field, and features that the generated high voltage is output to the electrode via single end to form artificial high electric field with very low current for providing physiotherapeutic effect to human body.
The high voltage generator of the electric potential therapeutic instrument generates alternating low-frequency high voltage through the high voltage generator and then outputs the generated alternating low-frequency high voltage to the electrode through a single end. In the market, the high-voltage generator of the electric potential therapeutic apparatus mainly adopts a special customized transformer, and different stable and constant output voltages are generated through key selection. The power supply mode of the power supply device is to supply energy to an inverter at a high potential from a ground potential, and the power supply mode usually needs to adopt an insulation transformer to realize the insulation of the ground potential and the high voltage potential, has large volume and weight, and is difficult to realize reliable insulation design.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a voltage generating device for a potential therapeutic instrument, which can realize the simultaneous output of high voltage and low voltage, not only can realize the independent output of high voltage or low voltage, but also can realize the simultaneous output of high voltage and low voltage, and simultaneously solves the problems of mutual interference and high voltage breakdown among high-voltage and low-voltage circuits.
In order to achieve the above technical solution, the present invention provides a voltage generating device for a potential therapeutic apparatus, comprising: high voltage generating circuit, intermediate frequency circuit, selector switch, switching power supply low voltage circuit, high voltage generating circuit converts 220V power frequency alternating current into output continuous adjustable's stable direct current high voltage electricity, and the output is the positive high pressure to ground, intermediate frequency circuit converts 220V power frequency alternating current into the alternating current high voltage electricity of intermediate frequency, selector switch exports high pressure to ground or intermediate frequency high pressure according to the selection of circuit, switching power supply low voltage circuit converts 220V power frequency alternating current into output stable direct current low voltage electricity, and switching power supply low voltage circuit converts into direct current virtual ground output simultaneously, and wherein high voltage generating circuit, intermediate frequency circuit, switching power supply low voltage circuit part, encapsulate respectively in independent shell.
Preferably, this a voltage generation device for electric potential therapy appearance still includes the plastic casing, first isolation tank, second isolation tank and third isolation tank are separated into through the baffle to the plastic casing, and wherein high voltage generating circuit passes through the epoxy embedment to be fixed in first isolation tank, and switching power supply low voltage circuit passes through the epoxy embedment to be fixed in the second isolation tank, and intermediate frequency circuit passes through the epoxy embedment to be fixed in the third isolation tank.
Preferably, the first isolation groove only has one path of high-voltage output through the output connector lug, the second isolation groove only has two paths of output through the output connector lug, one path of direct current positive output is direct current virtual ground output, and the third isolation groove only has one path of intermediate frequency output through the output connector lug
Preferably, the low-voltage circuit of the switching power supply is output in two paths, one path outputs low voltage 12V or 24V, and the other path outputs direct current virtually.
Preferably, the switching power supply low-voltage circuit and the switching power supply high-frequency converter protection device can effectively isolate the interference of high voltage to 220V commercial power when the switching power supply low-voltage circuit and the switching power supply high-frequency converter are connected with a high-voltage circuit.
Preferably, the selection switch outputs a high voltage to ground or a high voltage to intermediate frequency according to the selection of the circuit, when the dc virtual ground is connected to the high voltage output, the dc virtual ground has a high voltage of 3000V or more, and when the dc virtual ground is connected to the intermediate frequency output, the dc virtual ground has a high voltage of 1000V or less with a frequency of 72 kHz. When the direct current virtual ground end is not connected with high voltage or medium frequency high voltage, no pressure difference exists between the direct current virtual ground end and the ground.
The voltage generating device for the electric potential therapeutic apparatus provided by the invention has the beneficial effects that:
1) the voltage generating device for the electric potential therapeutic instrument has the advantages of simple structure, high performance, stable quality and small volume, and all functional circuit components such as a high-voltage circuit component, a low-voltage circuit component, a medium-frequency circuit component and the like are mutually independent and integrated into a whole through the three isolation grooves;
2) the potential therapeutic instrument is divided into two paths of outputs through a low-voltage circuit of a switching power supply, wherein one path of output is low- voltage 12V or 24V, and the other path of output is direct-current virtual ground output. Effectively isolating the low and high voltages. When the direct current is virtually connected into the high-voltage output, the virtual ground end has high voltage of more than 3000V; when the direct current is virtually connected to the medium-frequency high-voltage output, the virtual ground end has high-voltage electricity with the frequency of 72kHz and the voltage of below 1000V. The virtual ground end effectively isolates the high-voltage circuit from the low-voltage circuit, mutual interference between the high-voltage circuit and the low-voltage circuit is solved, and the high-frequency converter protection device in the switching power supply can effectively isolate interference of potential difference of more than 3000V on the ground to the commercial power 220V when the high-frequency converter protection device is connected with the high-voltage circuit, so that the problem of high-voltage breakdown is solved. When the direct current virtual ground end is not connected with high voltage or medium frequency high voltage, no pressure difference exists between the direct current virtual ground end and the ground.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic diagram of the package of the present invention.
In fig. 2: 1. a plastic shell; 2. a first isolation trench; 3. a second isolation trench; 4. a third isolation trench; 5. a high voltage output connector lug; 6. a low voltage output connector lug; 7. a virtual ground; 8. a medium-frequency high-voltage output connector lug; 9. a high voltage circuit input; 10. a low voltage circuit input; 11 input end of intermediate frequency circuit.
Fig. 3 is a high voltage generating circuit of the present invention.
Fig. 4 is a low-voltage diagram of the switching power supply of the invention.
Fig. 5 shows an intermediate frequency generating circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example (b): a voltage generator for electric potential therapeutic equipment.
Referring to fig. 1 and 2, a voltage generating apparatus for an electric potential treatment apparatus includes: high voltage generating circuit, switching power supply low voltage circuit, intermediate frequency circuit and plastic casing 1, plastic casing 1 separates into first isolation tank 2, second isolation tank 3 and third isolation tank 4 through the baffle, wherein high voltage generating circuit passes through the epoxy embedment to be fixed in first isolation tank 2, switching power supply low voltage circuit passes through the epoxy embedment to be fixed in second isolation tank 3, intermediate frequency circuit passes through the epoxy embedment to be fixed in third isolation tank 4, and first isolation tank 2 exports high pressure through high pressure output connector lug 5, second isolation tank 3 exports low pressure 12V or 24V through low pressure output connector lug 6, export direct current virtual ground output through virtual ground end 7, third isolation tank 4 exports intermediate frequency high pressure through output connector lug 8, make each functional circuit components such as high voltage circuit component, low voltage circuit component and intermediate frequency circuit component mutually independent and collect in an organic whole through three isolation tanks, mutual interference among circuits can be avoided through the virtual ground end, high-voltage breakdown can be avoided through the high-frequency converter protection device, high voltage and low voltage simultaneous output are realized, and in order to reduce mutual interference, breakdown of 220V mains supply by high voltage is avoided simultaneously.
Referring to fig. 3, the high voltage generating circuit includes a voltage boosting circuit and a current limiting circuit, when the instrument works, 220V commercial power is boosted into a high voltage sine wave signal by a transformer, and then a low current high voltage is output by the current limiting circuit, the high voltage sine wave signal is output as a positive high voltage to ground, the high voltage generating circuit includes resistors R1, R2, R3, R4, and a transformer T1, wherein the transformer T1 is a voltage boosting transformer, one end of the resistor R1 is connected to a primary zero line of the transformer T1, the other end of the resistor R1 is connected to a secondary zero line of the transformer T1, and the resistors R2, R3, and R4 are connected in series to a secondary live line output end of the transformer T1 to output the positive high voltage, so that stable output of.
Referring to fig. 4, the switching power supply low-voltage circuit converts 220V power frequency alternating current into output stable direct current low voltage power, and simultaneously converts 220V power frequency alternating current into direct current virtual ground for output, the switching power supply low-voltage circuit comprises a rectifying circuit, a filtering circuit, a high-frequency converter, an overcurrent protection circuit and a control circuit, when the instrument works, 220V mains supply is rectified and filtered by the rectifying circuit and the filtering circuit to be converted into direct current voltage containing a certain pulse, the voltage enters the high-frequency converter to be converted into square wave with a required voltage value, finally, the square wave voltage is rectified and filtered to be converted into required direct current voltage, the control circuit is a pulse width modulator, and the control circuit is used for controlling the switching time proportion of the high-frequency converter to achieve the purpose of stabilizing the output voltage. Therefore, the stable low-voltage power supply can be provided for the electric potential therapeutic apparatus. The low-voltage circuit of the switching power supply simultaneously converts 220V power frequency alternating current into direct current virtual ground and direct current positive output, so that the interference of high voltage to low voltage can be isolated, and the low-voltage output and the high-voltage output can be simultaneously used.
Referring to fig. 5, the if circuit includes resistors R5, R6, R7, a transformer T2, an inductor L1 and a capacitor C2, the transformer T2 is a step-up transformer, one end of the resistor R5 is connected to a primary zero line of the transformer T2, the other end is connected to a secondary zero line of the transformer T2, the inductor L1 is connected in series between the resistors R6 and R7, and the capacitor C2 is connected in series to a rear end of the R7, so that an if high voltage can be output through the if circuit, and an if and potential therapy function can be used simultaneously.
Referring to fig. 1, the circuit of the voltage generating device further includes a selection switch, an input end of the selection switch is connected to an output end of the high voltage generating circuit and an output end of the intermediate frequency circuit, and an output end of the selection switch is connected to a dc virtual ground end of the low voltage circuit of the switching power supply. Through the switching of the selector switch, the two output ends of the low-voltage circuit of the switching power supply can realize the independent output of high voltage or low voltage and can also realize the simultaneous output of high voltage and low voltage.
This a voltage produces device for electric potential therapeutic instrument simple structure, high performance, stable quality, small, make high-voltage circuit component through three isolation tank, each functional circuit components and parts such as low voltage circuit component and medium frequency circuit component are independent each other and are collected in an organic whole, can avoid mutual interference between the circuit through virtual ground end, can avoid high-voltage breakdown through high frequency converter protection device, realize high pressure and low pressure simultaneous output, can realize high pressure or low pressure output alone, can realize high pressure and low pressure simultaneous output again, mutual interference and high-voltage breakdown problem between the high-voltage and low-voltage circuit have also been solved simultaneously.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (2)
1. A voltage generating device for a therapeutic electric potential apparatus, comprising: the high-voltage generation circuit converts 220V power frequency alternating current into stable direct current high voltage power with continuously adjustable output, the high-voltage generation circuit comprises resistors R1, R2, R3, R4 and a transformer T1, wherein the transformer T1 is a step-up transformer, one end of a resistor R1 is connected to a primary zero line of a transformer T1, the other end of the resistor R1 is connected to a secondary zero line of a transformer T1, resistors R2, R3 and R4 are connected in series to a secondary live line output end of the transformer T1, the output is positive high voltage to the ground, the intermediate-frequency circuit converts the 220V power frequency alternating current into alternating current high voltage power with intermediate frequency, the intermediate-frequency circuit comprises resistors R5, R6 and R7, a transformer T2, an inductor L1 and a capacitor C2, the transformer T2 is a step-up transformer, one end of a resistor R5 is connected to the primary zero line of the transformer T2, and the other end of the secondary zero line of the transformer T2, an inductor L1 is connected in series between a resistor R6 and a resistor R7, a capacitor C2 is connected in series at the rear end of the resistor R7, a selector switch outputs high voltage to ground or medium frequency high voltage according to the selection of the circuit, the switching power supply low voltage circuit converts 220V power frequency alternating current into stable output direct current low voltage, and simultaneously the switching power supply low voltage circuit is converted into direct current virtual ground output, wherein a high voltage generating circuit, a medium frequency circuit and the switching power supply low voltage circuit are separated and respectively packaged in independent housings, the switching power supply low voltage circuit outputs two paths, one path outputs low voltage of 12V or 24V and the other path outputs direct current virtual ground, the selector switch outputs high voltage to ground or medium frequency high voltage according to the selection of the circuit, when the direct current virtual ground end is connected with high voltage output, the direct current virtual ground end has high voltage of more than 3000V, when the direct current virtual ground end is connected with medium frequency output, the direct current virtual ground end has high voltage of less than 1000V of, when the direct current virtual ground end is not connected with high voltage or medium frequency high voltage, no pressure difference exists between the direct current virtual ground end and the ground.
2. The voltage generating device for electric potential therapy apparatus of claim 1, wherein: still include the plastic casing, the plastic casing passes through the baffle and separates into first isolation tank, second isolation tank and third isolation tank, and wherein high voltage generating circuit passes through the epoxy embedment to be fixed in first isolation tank, and switching power supply low voltage circuit passes through the epoxy embedment to be fixed in the second isolation tank, and intermediate frequency circuit passes through the epoxy embedment to be fixed in the third isolation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249601.0A CN109120162B (en) | 2018-10-25 | 2018-10-25 | Voltage generating device for electric potential therapeutic instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249601.0A CN109120162B (en) | 2018-10-25 | 2018-10-25 | Voltage generating device for electric potential therapeutic instrument |
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| Publication Number | Publication Date |
|---|---|
| CN109120162A CN109120162A (en) | 2019-01-01 |
| CN109120162B true CN109120162B (en) | 2021-02-05 |
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| CN201811249601.0A Expired - Fee Related CN109120162B (en) | 2018-10-25 | 2018-10-25 | Voltage generating device for electric potential therapeutic instrument |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043119U (en) * | 1988-03-24 | 1989-08-23 | 王爱礼 | Multifunction recovery treatment instrument for limbs |
| CN2863157Y (en) * | 2005-12-05 | 2007-01-31 | 戚克有 | Music electricity and bioelectricity integrate information electronic therapeutic equipment |
| CN200977329Y (en) * | 2006-11-16 | 2007-11-21 | 邢永杰 | Multifunctional module electric potential therapeutic instrument |
| TW201000165A (en) * | 2008-06-27 | 2010-01-01 | cong-yi You | Electric excitation device with medium and low frequency having elastic conductive belt |
| CN101428164B (en) * | 2008-08-19 | 2012-07-04 | 李隆 | Internet human body information wave, music information wave current and high-voltage electric field synchronous therapeutic equipment |
| CN202446668U (en) * | 2012-02-23 | 2012-09-26 | 郑州贵和医疗科技有限公司 | Potential therapeutic apparatus |
| CN207652298U (en) * | 2017-12-28 | 2018-07-24 | 广州健明希医疗仪器有限公司 | A kind of multifunctional high pressure conversion equipment for potential therapeutic instrument |
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Granted publication date: 20210205 |