CN1035414C - FM-AM focussing type magnetotherapeutic apparatus - Google Patents
FM-AM focussing type magnetotherapeutic apparatus Download PDFInfo
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- CN1035414C CN1035414C CN94115088A CN94115088A CN1035414C CN 1035414 C CN1035414 C CN 1035414C CN 94115088 A CN94115088 A CN 94115088A CN 94115088 A CN94115088 A CN 94115088A CN 1035414 C CN1035414 C CN 1035414C
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Abstract
The present invention relates to a magnetic therapy health care device with wide purpose, which is especially suitable for deep tissues and viscera in a human body. The magnetic therapy health care device is composed of a magnetic coupling and an exciting current controlling circuit, wherein the magnetic coupling is formed by connecting two circular coupling discs with handles in a rotary way; the psi of a plane included angle of the two coupling discs is arbitrarily changed in the range of 0 to 180 degrees; a coil is respectively arranged in two disc cavities; a synchronous and reverse pulsed current is exerted to generate pulse magnetic fields with inverse polarity on the opposite sides of the two coupling discs; a magnetic field focusing function is generated in an area that two disc shafts intersect to a central line; a permanent magnet is respectively arranged on the centers of the opposite sides of the two disk cavities; the magnetic field polarity is the same as pulse magnetic field polarity generated by the coils; a strong magnetic field zone with a plurality of layers is formed in an area covered by the magnetic coupling. An exciting current controls an exciting coil pulsed current generated by a circuit and the control of frequency and amplitude modulation is carried out to the pulsed current.
Description
The present invention relates to a kind of medical Magnetotherapeutic health device.
Present existing Magnetotherapeutic health device can be divided into three kinds by magnetic signature: first kind is the stationary magnetic field formula, mostly is to be made into permanent magnet, as ear acupoint therapy magnetic bead, health and happiness magnetic etc.; Second kind is the alternating magnetic field formula, and the sense of current produces N, S utmost point alternating magnetic field in the excitation coil by changing, and also useful permanent magnet is pressed N, S utmost point cross-distribution on a rotary body, produces alternating magnetic field, has person to be gyromagnetic type; The third is the pulsed magnetic field formula, utilizes the unidirectional pulse electric current to flow through excitation coil and produces.Though several Magnetotherapeutic health devices all have certain therapeuticing and health effect, have following problem: present existing constant magnetic and gyromagnetic type Magnetotherapeutic apparatus, magnetic field only can act on the human body superficial tissue, and can not realize stimulates the magnetic of human body deep tissue and internal organs.Magnetic field with current coil excitation acquisition, by strengthening coil diameter, can make the action of a magnetic field reach deep tissue, but the action of a magnetic field zone also increase, magnetic field distribution increases with the coil axial distance and weakens, and can not carry out intensive treatment to specific region, human body deep.The magnetotherapy method that has retrieved at present all is the magnetic therapy of carrying out stationary magnetic field intensity under selected magnetic field intensity, and human body easily produces adaptive physiological reaction, thereby has reduced the regulating action of magnetic field to the bodily fuctions.
The Magnetotherapeutic health device that the purpose of this invention is to provide a kind of novelty, it can produce the magnetic field of many levels at the magnetic coupler coverage area, not only is suitable for the present magnetic therapy scope of having used, and can carries out magnetic therapy to human body deep tissue and internal organs.Pulsed magnetic field intensity becomes the change of automatic cycle according to certain rules with Frequency Design, prevent the adaptability of human body reaction, to improve magnetic therapy effect.
The object of the present invention is achieved like this: the structure of magnetic coupler is according to the human body breast, the dissect physiology feature in abdominal cavity designs, it connects formation with the rotation of two coupling disc machinery, the coupling disc chamber makes of insulant, adorn the coil of a suitable diameter in each, encourage two coils simultaneously with the opposite lock-out pulse electric current of direction, at the opposite pulsed magnetic field of coupling disc opposite side polarization, at axial intersection of two disk center near zone, form magnetic line of force compact district, produce the magnetic focusing effect, two coupling disc opposite side center fixation, one permanent magnet, polarity of the magnetic field is consistent with the magnetic field that produces with lateral coil, has strengthened near the magnetic field of panel surface.Consider impulse magnetic field district and magnetic focusing district that coil produces, just under the magnetic coupler coverage area, formed the magnetic field of many levels, pulsed magnetic field frequency and Intensity Design are the automatic cycle variable condition, two kinds of modulator approaches are arranged: the one, frequency modulation, pulse frequency is soon, slow wave changes automatically, and the 2nd, amplitude modulation, magnetic field intensity is subjected to the modulation of triangular wave and sinusoidal wave two kinds of rules.
Owing to adopted such scheme, the special magnetic field structure that Magnetotherapeutic health device of the present invention is produced, and in use by selecting the angle of suitable bonder placement location and adjustment two coupling discs, make this Magnetotherapeutic apparatus not only can be used for the treatment of some human body superficial tissue, organ disease, also can be used for the treatment of picture breast, intraperitoneal tissue and organ disease, expanded the scope of Magnetotherapeutic health effect.And, improved treatment and health effect because pulse magnetic field has been taked amplitude modulation, frequency modulation, reduced the adaptability of human body physiological reaction.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of magnetic coupler of the present invention.
Fig. 2 is an electric functional-block diagram of the present invention.
Fig. 3 is current drives and control circuit figure.
Fig. 4 is that pulse and modulating wave produce circuit diagram.
Among Fig. 1: 1. rotary joint 2. handles 3. coil chamber 4. disk covers, 5. coils, 6. hold-down screws, 7. permanent magnets
In Fig. 1, magnetic coupler is made up of through rotary joint 1 connection two coupling disc chambeies 3 of band handle 2, and the external diameter in two coupling disc chambeies 3 is 100～120mm, when ∮ is 180 °, connects back two disk center at a distance of 140～180mm.Two dish angle ∮ are 0～180 ° of scope regulated at will, coupling disc thickness is 15～20mm, each coils a built-in coil 5, internal coil diameter 50～70mm, behind the relative side panel of two dishes chamber, fix an annular permanent magnet 7, its polarity of the magnetic field is identical with the pulsed magnetic field that the dish interior loop forms, and disk cover 4 usefulness screws 6 are fixed in dish chamber 3.
Fig. 2 has illustrated operation principle of the present invention.Civil power is after the mains transformer blood pressure lowering is 18V, rectifying and wave-filtering, adjustable voltage stabilizer is connected with dc voltage conversion with rectifying and wave-filtering respectively, triangle sine wave generator is connected with driver, be connected with adjustable voltage stabilizing again by driver, to voltage stabilizing output modulation, change the output voltage of DC voltage converter, thereby regulate the modulation that current source is realized pulsed magnetic field intensity.DC voltage converter is connected with current source 9 with current source 8 respectively, on-off control 10 and on-off control 11 respectively with current source 8, magnetizing coil 12 and current source 9, magnetizing coil 13 connects, they are connected with pulse generator again, pulse generator is connected with frequency modulator, under frequency modulator control, export two kinds of fast, slow different frequencies, width is the pulse of 8～10ms, open ON-OFF control circuit 10 and ON-OFF control circuit 11, make current source 8 and current source 9 provide exciting current to magnetizing coil 12 and magnetizing coil 13 respectively, produce pulsed magnetic field.
Fig. 3 is the current drives and the control circuit figure of magnetic coupling coil.Civil power is 18V through mains transformer T1 blood pressure lowering, does filtering behind the bridge rectifier with the RB156 silicon bridge, exports a negative dc voltage with the LM337T voltage stabilizing, during component value shown in the circuit, is not having under the modulation input condition, and voltage stabilizing is output as-15 volts.Form blocking oscillator with 3AD5 and pulse transformer T2, utilize the back rectification output of boosting of two windings that boost of T2, be about+200 volts, 0.47 μ F electric capacity is charged, as the current source of excitation coil.C1 in the current source circuit and C1 ' end, C2 and C2 ' end are connected with coil 7 in two coupling discs of magnetic coupler respectively, coil is connected with controllable silicon SCR 1 and SCR2 insert exciting circuit, the grid of controllable silicon SCR 1 and SCR2 is through B1 and B2, be connected with B2 with Fig. 4 pulse-generating circuit outfan B1 respectively, make the silicon controlled break-make controlled by impulse circuit, thereby produce corresponding wide pulsed magnetic field, the pulsed magnetic field frequency is controlled by impulse circuit also, has realized frequency modulation.The convertible tip of LM337 manostat is through R1 and R3 dividing potential drop, link to each other with the A end of Fig. 4 with the A end by R4, low frequency triangular wave and sine wave that Fig. 4 impulse waveform produces the circuit generation put on the LM337 convertible tip, make the voltage stabilizing output voltage present corresponding variation, and changed the output voltage of blocking oscillator, the corresponding change of the charging voltage of capacitor C 4 and C5, regulated the exciting current of coil, pulsed magnetic field intensity is changed with conditioning signal, be chosen as 8～10 seconds modulation period, the amplitude modulation(PAM) degree is 40～50%.
Fig. 4 is that frequency modulation, amplitude-modulated wave and impulse waveform produce circuit.IC1 and IC2 are double operational integrated circuit LF353, and A1 and A2 form a circuit for generating triangular wave, and integration after the A3 buffer stage is exported a sine wave by A4, export at the A end through working selecting switch K1-1.IC4 is integrated circuit NE555, is that rectangular pulse produces circuit, the square pulse of output negative sense, and width is 8～10ms, swings to the output positive pulse signal with 3DG6, by the output of B end.The rectangular pulse that IC4 forms produces circuit, be subjected to the control of the symmetrical square wave circuit of IC3 composition through working selecting switch K1-2, the DC voltage change of IC3 output is when the output high potential, the pulse frequency that IC4 produces is higher, about 8～10 times/second, when the output electronegative potential, it is low that IC4 produces pulse frequency, about 2～4 times/second, be about 8～10 seconds transformation period.
The magnetic field that the present invention produces has antiinflammatory, analgesia, adjusting nerve, improves endocrine effect human body.Because the magnetic field structure that design obtains makes it be specially adapted to the tissue at positions such as human body breast, abdominal cavity and the magnetic of internal organs stimulates, and reaches the purpose of prevention and treatment some diseases.
Claims (4)
1. Magnetotherapeutic health device, constitute by magnetic coupler and excitation current control circuit, it is characterized in that: magnetic coupler is formed by the garden shape coupling disc machinery rotation connection of two band handles, two dish plane included angles are ∮, two coupling discs are made with the insulant of hollow, one coil and permanent magnet are respectively arranged in the dish, excitation current control circuit is by mains transformer, rectifying and wave-filtering, adjustable voltage stabilizing, dc voltage conversion, current source, on-off control, magnetizing coil, pulse generator, frequency modulator, triangle sine-wave generator and drive circuit are formed, civil power is after mains transformer is reduced to 18V, rectifying and wave-filtering, adjustable voltage stabilizer is connected with dc voltage conversion with rectifying and wave-filtering respectively, triangle sine wave generator is connected with driver, be connected with adjustable voltage stabilizing again by driver, to voltage stabilizing output modulation, change the output voltage of DC voltage converter, regulate current source, thereby realize the modulation of pulsed magnetic field intensity, DC voltage converter is connected with current source (9) with current source (8) respectively, on-off control (10) and on-off control (11) respectively with current source (8), magnetizing coil (12) and current source (9), magnetizing coil (13) connects, they are connected with pulse generator again, pulse generator is connected with frequency modulator, under frequency modulator control, output is fast, two kinds of slow different frequencies, width is the pulse of 8～10ms, open ON-OFF control circuit (10) and ON-OFF control circuit (11), make current source (8) and current source (9) provide exciting current to magnetizing coil (12) and magnetizing coil (13) respectively, produce pulsed magnetic field.
2. device according to claim 1, it is characterized in that: magnetic coupler structure and overall dimensions are according to human body breast, abdominal cavity dissect physiology characteristic Design, two coupling disc cavitys are made by insulating nonferromagnetic material, garden dish diameter is 100～120mm, thickness is 15～20mm, two disk center are at a distance of 140～180mm, and when ∮ was 180 °, internal coil diameter was 50～70mm.
3. device according to claim 1, it is characterized in that: the pulsed magnetic field width is 8～10ms, and two kinds of working methods of Frequency And Amplitude Modulation are arranged, during frequency modulation work, two kinds of Automatic Frequency of fast wave and slow wave alternately, the slow wave frequency is 2～4 times/second, and fast wave frequency is 8～10 times/second, 8～10 seconds transformation periods, during amplitude modulation work, amplitude is triangular wave or sinusoidal wave rule changes, and period of change is 8～10 seconds, and the amplitude modulation(PAM) degree is 40～50%.
4. according to the described device of claim 1, it is characterized in that: the scope of two coupling disc plane included angle ∮ is 0～180 °, but regulated at will.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94115088A CN1035414C (en) | 1994-08-26 | 1994-08-26 | FM-AM focussing type magnetotherapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94115088A CN1035414C (en) | 1994-08-26 | 1994-08-26 | FM-AM focussing type magnetotherapeutic apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1117400A CN1117400A (en) | 1996-02-28 |
| CN1035414C true CN1035414C (en) | 1997-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94115088A Expired - Fee Related CN1035414C (en) | 1994-08-26 | 1994-08-26 | FM-AM focussing type magnetotherapeutic apparatus |
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| CN (1) | CN1035414C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141994C (en) * | 2000-01-28 | 2004-03-17 | 北京国际技术合作中心 | Non-intrusive electromagnetic field method and equipment for treating osteoporosis |
| CN101984548A (en) * | 2010-07-26 | 2011-03-09 | 香港脑泰科技有限公司 | Pulse high voltage generator |
| CN106178265B (en) * | 2016-07-09 | 2018-08-07 | 大连理工大学 | A kind of method that alternating magnetic field therapeutic apparatus realizes stepless frequency modulation |
| CN108578893B (en) * | 2017-11-30 | 2021-11-19 | 重庆科技学院 | Magnetic hysteresis heating treatment device for ultrasonic positioning in cavity |
| CN109011161A (en) * | 2018-08-31 | 2018-12-18 | 天津工业大学 | A kind of reverse winding and its design method for transcranial magnetic stimulation |
| CN109846690A (en) * | 2019-04-04 | 2019-06-07 | 北京宇华国际技术合作有限公司 | A kind of portable prostate physical therapy device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060358U (en) * | 1989-11-17 | 1990-08-15 | 林锋 | Simple physiotherapy apparatus |
| CN2063023U (en) * | 1988-11-22 | 1990-10-03 | 第一军医大学训练部 | Portable apparatus for treating bone fracture |
| CN2106600U (en) * | 1990-06-28 | 1992-06-10 | 广西壮族自治区电子研究所 | Electromagnetic heat-effect splint for use in the orthopedics department |
-
1994
- 1994-08-26 CN CN94115088A patent/CN1035414C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2063023U (en) * | 1988-11-22 | 1990-10-03 | 第一军医大学训练部 | Portable apparatus for treating bone fracture |
| CN2060358U (en) * | 1989-11-17 | 1990-08-15 | 林锋 | Simple physiotherapy apparatus |
| CN2106600U (en) * | 1990-06-28 | 1992-06-10 | 广西壮族自治区电子研究所 | Electromagnetic heat-effect splint for use in the orthopedics department |
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| Publication number | Publication date |
|---|---|
| CN1117400A (en) | 1996-02-28 |
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