CN1049152C - Intermediate frequency recovery instrument for household - Google Patents
Intermediate frequency recovery instrument for household Download PDFInfo
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- CN1049152C CN1049152C CN96103290A CN96103290A CN1049152C CN 1049152 C CN1049152 C CN 1049152C CN 96103290 A CN96103290 A CN 96103290A CN 96103290 A CN96103290 A CN 96103290A CN 1049152 C CN1049152 C CN 1049152C
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Abstract
The present invention relates to an intermediate frequency treatment instrument modulated by low frequency, which comprises a power supply circuit, an intermediate frequency generator, a bidirectional low frequency gap frequency modulator, a power output circuit and an electrode, wherein the intermediate frequency generator is formed by connecting a first intermediate frequency oscillator, a first intermediate frequency signal magnifying and transferring circuit, a second intermediate frequency oscillator, a diode and a field effect transistor. The bidirectional low frequency gap frequency modulator is formed by connecting a low frequency oscillator with a PNP transistor. The two intermediate frequency oscillators and the low frequency oscillator are respectively formed by connecting a time base sheet with a capacitance-resistance element. The first intermediate frequency signal magnifying and transferring circuit is formed by connecting a PNP transistor with a field effect transistor. The present invention has the advantages of simplicity and practicality, and is suitable for domestic use.
Description
The present invention relates to a kind of electric therapeutic instrument that is used for physical therapy, rehabilitation, relate to a kind of instrument that applies the subcutaneous human body of galvanism by contact electrode to human body or rather.
Low frequency modulations electric current of intermediate frequency instrument is a kind of electric therapeutic instrument little to the human body excitement, and is wide owing to its therapeutic domain, the effect of paying is little, feel the comfortable medical rehabilitation field that is widely used in during treatment.Existing big-and-middle-sized low frequency modulations electro-therapeutic apparatus of intermediate frequency general circuit complex structure, volume is big, cost is high, and operation is more loaded down with trivial details, can only be manipulated by the special messenger in big institute of traditional Chinese medicine, is not suitable for family health care.Existing certain small-sized intermediate frequency instrument on the market maybe can not be realized two-way modulating wave owing to can not carry out the gap modulation to intermediate frequency, thereby therapeutic effect is not good.Other has a kind of personal computer electro-therapeutic apparatus of intermediate frequency, adopts microprocessor that the modulating frequency current compiled program is carried out, and complex structure is arranged equally, operate problem inconvenient, that be not suitable for domestic though can realize the gap modulation.
The objective of the invention is to design a kind of intermediate frequency instrument that family health care is used that is suitable for, can produce the synthetic two-way modulating wave in gap, also have characteristics simple in structure, easy to operate, that volume is little, cost is low simultaneously.
Domestic intermediate frequency instrument of the present invention comprises power circuit and the low frequency modulations intermediate frequency wave generator circuit, power output circuit and the therapeutic electrode that are linked in sequence, it is characterized in that:
Described low frequency modulations intermediate frequency wave generator circuit connects two-way low frequency spacing frequency manipulator by medium-frequency generator and constitutes; Described medium-frequency generator comprises amplification transfer circuit, second intermediate-frequency oscillator, diode and first field-effect transistor of first intermediate-frequency oscillator, first intermediate-freuqncy signal; Described two-way low frequency gap frequency manipulator connects a PNP transistor by audio oscillator and constitutes; The output of first intermediate-frequency oscillator connects the amplification transfer circuit input of first intermediate-freuqncy signal, the amplification transfer circuit outfan of first intermediate-freuqncy signal and audio oscillator outfan also connect a PNP transistor input stage, connect first field effect transistor gate behind the one PNP transistor output stage serial connection diode, the output of second intermediate-frequency oscillator connects the first field-effect transistor source electrode, and the drain electrode of first field-effect transistor connects described power output circuit.
The amplification transfer circuit of described first intermediate-freuqncy signal is by the 2nd PNP transistor, second field-effect transistor, diode and resistance connect and compose, the amplification transfer circuit input of described first intermediate-freuqncy signal is the 2nd PNP transistor base, the amplification transfer circuit outfan of described first intermediate-freuqncy signal is the drain electrode of second field-effect transistor, the 2nd PNP emitter and the second field-effect transistor source electrode connect positive potential, the 2nd PNP transistor collector also connects diode cathode and resistance one end, diode cathode connects second field effect transistor gate, another termination negative supply of resistance.
Described first intermediate-frequency oscillator, second intermediate-frequency oscillator, audio oscillator be by the time basis set adjustable frequency oscillating circuit that is connected in flakes.
Transfer electric current of intermediate frequency to be sent to patient's diseased region between the two-way low frequency that apparatus of the present invention produced through therapeutic electrode, can reach the purpose of treatment disease, comprise chronic cholecystitis, scapulohumeral periarthritis, cervical spondylosis, hyperosteogeny, diabetes, peripheral angiopathy, gastric and duodenal ulcers, rheumatic arthritis etc., also can make anti-inflammatory analgetic, traumatic injury etc.
Further specify technology of the present invention below in conjunction with the embodiment accompanying drawing, the embodiment IF-FRE is that carrier wave is 1-10KHZ, and the low frequency frequency is that modulating wave is 1-800HZ, modulation 100%.
Fig. 1 domestic intermediate frequency instrument electrical schematic diagram;
Transfer the electric current of intermediate frequency oscillogram between the two-way low frequency of Fig. 2;
Referring to Fig. 1, with three-terminal voltage-stabilizing device 7805,7812,7912 be core component power circuit output+5V, ± the 12V dc source uses for the intermediate frequency instrument.
The time substrate U1 (NE555) and peripheral cell thereof constitute first intermediate-frequency oscillator, PNP transistor T 1 (9012), diode D5, field effect transistor TT1 (2SK) and resistance R 7 connect and compose the amplification transfer circuit of first intermediate-freuqncy signal, the time substrate U2 (NE555) and peripheral cell thereof and PNP transistor T 2 (9012) connect and compose two-way low frequency gap frequency manipulator, the time substrate U3 (NE555) and peripheral cell thereof constitute second intermediate-frequency oscillator, the effect of diode D6 and field effect transistor TT2 (2SK) is to cooperate second intermediate-frequency oscillator to make to transfer current wave to become between unidirectional modulated medium frequency to transfer the electric current of intermediate frequency ripple between complete (promptly two-way).Operational amplifier U4 (2003) and peripheral cell thereof constitute power output circuit, and output transformer inductance line enclosed 1: 50, adjust resistance R can obtain 0-80mA between transfer electric current of intermediate frequency, output waveform can be referring to Fig. 2.To can be used for adjusting intermediate frequency be the carrier frequency frequency for KC1, KC2, KC4, C8, C9 among the figure, and it is modulating frequency that KC3, C6, C7 are used to adjust low frequency.
The overall dimensions of embodiment of the invention instrument can be less than 18 * 13 * 70cm, only use three substrates when integrated, an amplifier, two PNP transistors, two field-effect transistors etc. can obtain the electric current of intermediate frequency of two-way gap low frequency modulations, by two section of crossing switches that are provided with, the patient can regulate IF-FRE 1KHZ voluntarily, 2KHZ, 3KHZ ... 10KHZ, regulate low frequency frequency 1HZ, 3HZ, 5HZ, 10HZ, 30HZ, 50HZ, 70HZ, 100HZ ... 800HZ, by the variable resistance R scalable treatment current intensity 0～80mA that is provided with, it is required to satisfy family fully.
Intermediate frequency instrument of the present invention is through more than a year clinic trial, commonly encountered diseases, senile disease such as internal medicine, surgery, orthopaedics there is significant curative effect, wherein the effective percentage of diseases such as cervical spondylosis, osteoarthritis, neurasthenia reaches more than 96.4%, hundreds of case proof instruments have good adjusting nerve, dredging the meridian, blood circulation promoting and blood stasis dispelling, antiinflammatory and sedation, and with low cost, easy to use, be effectively practical family health care rehabilitation articles for use.
Claims (3)
1, a kind of domestic intermediate frequency instrument comprises power circuit and the low frequency modulations intermediate frequency wave generator circuit, power output circuit and the therapeutic electrode that are linked in sequence, it is characterized in that:
Described low frequency modulations intermediate frequency wave generator circuit connects two-way low frequency spacing frequency manipulator by medium-frequency generator and constitutes; Described medium-frequency generator comprises amplification transfer circuit, second intermediate-frequency oscillator, diode and first field-effect transistor of first intermediate-frequency oscillator, first intermediate-freuqncy signal; Described two-way low frequency gap frequency manipulator connects a PNP transistor by audio oscillator and constitutes; The output of first intermediate-frequency oscillator connects the amplification transfer circuit input of first intermediate-freuqncy signal, the amplification transfer circuit outfan of first intermediate-freuqncy signal and audio oscillator outfan also connect a PNP transistor input stage, connect first field effect transistor gate behind the one PNP transistor output stage serial connection diode, the output of second intermediate-frequency oscillator connects the first field-effect transistor source electrode, and the drain electrode of first field-effect transistor connects described power output circuit.
2, domestic intermediate frequency instrument according to claim 1, it is characterized in that: the amplification transfer circuit of described first intermediate-freuqncy signal is by the 2nd PNP transistor, second field-effect transistor, diode and resistance connect and compose, the amplification transfer circuit input of described first intermediate-freuqncy signal is the 2nd PNP transistor base, the amplification transfer circuit outfan of described first intermediate-freuqncy signal is the drain electrode of second field-effect transistor, the 2nd PNP emitter and the second field-effect transistor source electrode connect positive potential, the 2nd PNP transistor collector also connects diode cathode and resistance one end, diode cathode connects second field effect transistor gate, another termination negative supply of resistance.
3, domestic intermediate frequency instrument according to claim 1 is characterized in that: described first intermediate-frequency oscillator, second intermediate-frequency oscillator, audio oscillator be by the time basis set adjustable frequency oscillating circuit that is connected in flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103290A CN1049152C (en) | 1996-03-18 | 1996-03-18 | Intermediate frequency recovery instrument for household |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103290A CN1049152C (en) | 1996-03-18 | 1996-03-18 | Intermediate frequency recovery instrument for household |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1144705A CN1144705A (en) | 1997-03-12 |
| CN1049152C true CN1049152C (en) | 2000-02-09 |
Family
ID=5117959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96103290A Expired - Fee Related CN1049152C (en) | 1996-03-18 | 1996-03-18 | Intermediate frequency recovery instrument for household |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1049152C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435883C (en) * | 2003-11-27 | 2008-11-26 | 徐志强 | Electro-therapeutic apparatus matched with personal computer |
| CN105664356B (en) * | 2016-01-05 | 2018-06-29 | 孝感量子机电科技有限公司 | A kind of modulation circuit of medium-low frequency therapeutical instrument treatment prescription waveform |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061346A (en) * | 1991-11-01 | 1992-05-27 | 南宁电子元器件集团公司 | Quick-acting recovery apparatus |
| CN1083732A (en) * | 1993-04-23 | 1994-03-16 | 陆人洁 | Instrument |
-
1996
- 1996-03-18 CN CN96103290A patent/CN1049152C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061346A (en) * | 1991-11-01 | 1992-05-27 | 南宁电子元器件集团公司 | Quick-acting recovery apparatus |
| CN1083732A (en) * | 1993-04-23 | 1994-03-16 | 陆人洁 | Instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1144705A (en) | 1997-03-12 |
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