CN203634643U

CN203634643U - Magnetic therapy instrument

Info

Publication number: CN203634643U
Application number: CN201320799183.9U
Authority: CN
Inventors: 黄倜; 黄承斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-09
Filing date: 2013-12-09
Publication date: 2014-06-11
Anticipated expiration: 2023-12-09

Abstract

The utility model belongs to the field of medical devices, and especially relates to a magnetic therapy instrument. The magnetic therapy instrument comprises a multivibrator (1), a tracking inverting amplifier (2), a bidirectional silicon controlled rectifier (3), a magnetic therapy head (4), and a light control switch (5). The magnetic therapy instrument is characterized in that the multivibrator (1) is connected with the tracking inverting amplifier (2), the tracking inverting amplifier (2) is connected with the light control switch (5), the light control switch (5) is connected with the bidirectional silicon controlled rectifier (3), and the bidirectional silicon controlled rectifier (3) is connected with the magnetic therapy head (4). In the magnetic therapy instrument, a multi-vibration circuit is employed to generate a positive pulse, and a silicon controlled rectifier is conducted through the light control switch, so that a therapy head is allowed to connect with an alternate current voltage to generate a strong magnetic field to treat a disease. The magnetic field generated by the magnetic therapy head is in a pulse method with a big duty ratio instead of a continuous method, so that a strong magnetic field is generated and the magnetic therapy head is prevented from over heat. An abnormal iron core is employed in the magnetic therapy head, so that the weight is reduced and the stability is increased. The light control switch with no contact is employed, so that the reliability is improved and the frequency of the pulse is improved, and the work reliable service life is prolonged.

Description

A kind of magnet therapeutic apparatus

Technical field

This utility model technology belongs to medical instruments field, particularly a kind of magnet therapeutic apparatus.

Background technology

On domestic market, having occurred the medical apparatus and instruments making by AC magnetic field, also had the medical apparatus and instruments that uses pulsating field to make, there is product heaviness or expensive deficiency in them.

Summary of the invention

This utility model object is to provide that a kind of magnetic field intensity is larger and magnetic therapy is light first watch, and the magnet therapeutic apparatus of better efficacy, to solve the heavy and expensive deficiency of this series products.

Scheme of the present utility model is: a kind of magnet therapeutic apparatus, it by multivibrator (1), follow sign-changing amplifier (2), bidirectional triode thyristor (3), magnetic therapy head (4), light-operated switch (5) and form, it is characterized in that: multivibrator (1) with follow sign-changing amplifier (2) and be connected; Following sign-changing amplifier (2) is connected with light-operated switch (5); Light-operated switch (5) connects bidirectional triode thyristor (3); Bidirectional triode thyristor (3) connects magnetic therapy head (4).

Light-operated switch (5) is by high-brightness luminous pipe (8), photoconductive resistance (7), lighttight jacket (6) and lighttight outer casing base (9) composition, the lead-out wire of high-brightness luminous pipe (8) is occupied stably on lighttight outer casing base (9) through lighttight outer casing base (9), photoconductive resistance (7) is ovalize slightly, pectination pattern is made and adopted to conventional cadmium sulfide, there is a transparent window in its front, can receive visible spectrum, along with the increase of intensity of illumination, photoconductive resistance resistance sharply declines, when illumination is very bright, even only have 100 ohm of left and right, and its resistance can reach very greatly several megohms during without rayed, its transparent window is close to the top of luminous tube (3), its lead-out wire turns over turnback downwards and passes from base (4), these four leading foots available glue after position mixes up is fixed or by thermoplastic tube, the main body of the two is packaged to post-heating and makes it relatively to fix, the upper lighttight jacket (1) of cover is fixed with glue again.

Multivibrator (1) produces the very large narrower negative pulse of dutycycle, after follower and sign-changing amplifier (2), become narrower positive pulse, deliver to the transistor base being connected with light-operated switch KG, make audion conducting or saturated, light-operated switch KG connects and makes the AG of controllable silicon (3) extremely approach short circuit, and making the AK of bidirectional triode thyristor (3) extremely approach short circuit and conducting, 200V alternating voltage is all added to magnetic therapy head (4) two ends, flow through a magnetic therapy line bag produce high-intensity magnetic field of electric current.

In the line bag of magnetic therapy head (4), fill up E font iron core, because iron core is not to have E, bis-kinds of iron cores of I to make iron core be closed state in common transformer, but one side does not have I font iron core to be opening-wide state, powerful magnetic field is radial and outwards radiation at unlimited window.

Magnetic therapy head (4) is the silicon steel sheet that sticks with special shape and special size in a line bag, its shape as shown in Figure 4, the iron core of the common transformer that it is equal to Breadth Maximum is compared, its single-sheet thickness and material are identical, its shape and size are different, the height that is to say E sections chip only have equal width common E shaped iron core height 2/3rds, width in the middle of E sections chip is wider approximately wider by 20% than the width in the middle of common E shaped iron core, and the width of its two side and bottom is narrower approximately narrower by 40% than the same position of common E shaped iron core, although consequently the sectional area of line bag reduces because the height of iron core reduces, but from E shaped iron core two sides and bottom narrows and the sectional area of line bag is increased to some extent, treatment head (4) is depressed the two in same electrical to compare magnetic field intensity close like this, and the decline of iron core height is improved stability.

Magnetic therapy head (4) has two lead-out wires to pass through socket, if the K utmost point of a termination controllable silicon (3), the radiation field producing after another termination 200V is positive pole or the N utmost point, the connection of two lead-out wires of magnetic therapy head (4) is contrary with foregoing connection so exchanges connection two lead-out wires, the radiation field that produced is anti-phase negative pole or the S utmost point of being, the N utmost point and S attract each other when extremely close, this utility model has multiple sockets can drive two above magnetic therapy heads simultaneously, in the time being used in conjunction with main frame, can only go to cure the disease with the magnetic therapy head of single same magnetic polarity, also can use two kinds not the magnetic therapy head of same magnetic polarity go to cure the disease, while curing the disease, use two magnetic therapy heads (4) can be placed on two different positions of human body as the magnetic therapy head with identical polar, as the magnetic therapy head with two opposed polarities can be placed on two sides of the same lesions position of human body or one in front and one in back, due to the polarity difference of two magnetic therapy heads (4) attract each other make two magnetic therapy heads (4) thus magnetic field strengthened and strengthened the curative effect of curing the disease at inside of human body.

This utility model adopts multi-resonant oscillating circuit production positive pulse also to make controlled silicon conducting by light-operated switch, makes treatment head connect alternating voltage and produces high-intensity magnetic field and go to treat disease.

The magnetic field that magnetic therapy head is produced does not adopt continuous mode and adopts the mode of the pulse that dutycycle is larger, and it can produce very strong magnetic field and don't cause magnetic therapy overheated; Magnetic therapy head adopts Special-shaped iron core to make it not only alleviate weight but also increased stability; Can also improve the frequency of pulse owing to adopting Contactless photoswitch not only to increase reliability in this utility model, the reliable operation life-span is long.

accompanying drawing explanation:

Fig. 1 this utility model structural representation.

Fig. 2 is the electrical schematic diagram of light-operated switch.

Fig. 3 is the structural representation of light-operated switch.

Fig. 4 is magnetic therapy head (4) E font core structure schematic diagram.

the specific embodiment:

As shown in Fig. 1 Fig. 2, multivibrator (1) produces the very large narrower negative pulse of dutycycle, after follower and sign-changing amplifier (2), become narrower positive pulse, deliver to the transistor base being connected with light-operated switch KG, make audion conducting or saturated, light-operated switch KG connects and makes the AG of controllable silicon (3) extremely approach short circuit, and makes the AK of bidirectional triode thyristor (3) extremely approach short circuit and conducting, 200V alternating voltage is all added to magnetic therapy head (4) two ends, flow through a magnetic therapy line bag produce high-intensity magnetic field of electric current.

In the line bag of magnetic therapy head (4), fill up E font iron core as shown in Figure 4, because iron core is not to have bis-kinds of iron cores of EI in common transformer, make iron core be closed state, but one side does not have I font iron core to be opening-wide state, powerful magnetic field is radial shown in dotted line at unlimited window, and outwards radiation, and this window is pressed close to human body pain position, local blood flow faster under the continuous action of magnetic field, the effect of playing blood circulation promoting and blood stasis dispelling and dispelling pain.

If being continued to be added on magnetic therapy head (4) coil two ends, the alternating voltage of 200V produces high-intensity magnetic field, due to the large coil of electric current and iron core can generate heat very soon, hot, it is a few tens of milliseconds for addressing this problem the multivibrator width that just produces tens pulses and each pulse per minute, namely dutycycle is very large, and it is very little that the time of the high-intensity magnetic field of magnetic therapy head (4) generation is in other words compared with one-period.Although magnetic field is strong but temperature is not high like this.Solve the strong and high contradiction of temperature in magnetic field.

The electrical schematic diagram of Contactless photoswitch KG and with being connected as shown in Figure 2 of light current aspect, the structure chart of light-operated switch as shown in Figure 3, , light-operated switch (5) is by high-brightness luminous pipe (8), photoconductive resistance (7), lighttight jacket (6) and lighttight outer casing base (9) composition, the lead-out wire of high-brightness luminous pipe (8) is occupied stably on lighttight outer casing base (9) through lighttight outer casing base (9), photoconductive resistance (7) is ovalize slightly, pectination pattern is made and adopted to conventional cadmium sulfide, there is a transparent window in its front, can receive visible spectrum, along with the increase of intensity of illumination, photoconductive resistance resistance sharply declines, when illumination is very bright, even only have 100 ohm of left and right, and its resistance can reach very greatly several megohms during without rayed, its transparent window is close to the top of luminous tube (3), its lead-out wire turns over turnback downwards and passes from base (4), these four leading foots available glue after position mixes up is fixed or by thermoplastic tube, the main body of the two is packaged to post-heating and makes it relatively to fix, the upper lighttight jacket (1) of cover just can come into operation after fixing with glue again.

Magnetic therapy head (4) is the silicon steel sheet that sticks with special shape and special size in a line bag, its shape as shown in Figure 4, its common transformer iron core equal with Breadth Maximum is compared, its single-sheet thickness and material are identical, its shape and size are different, the height that is to say E shape lamination only have three parts of common E shaped iron core height of equal width two, width in the middle of E sections chip is wider by approximately 20% than the width in the middle of common E shaped iron core, and the width of its two side and bottom is narrower approximately narrower by 40% than the same position of common E shaped iron core.Although consequently the sectional area of line bag reduces because the height of iron core reduces but narrows the sectional area of line bag is increased to some extent from E shaped iron core two sides and bottom, treatment (4) is depressed the two in same electrical and is compared that magnetic field intensity is close and the decline of iron core height makes stability like this

Be improved.

Magnetic therapy head (4) has two lead-out wires to pass through socket, if the radiation field producing after another termination of K utmost point 200V of a termination controllable silicon (3) is positive pole or the N utmost point, the connection of two lead-out wires of magnetic therapy head (4) is contrary with foregoing connection so, two lead-out wires are exchanged to connection once, the radiation field that produced is anti-phase negative pole or the S utmost point of being, the N utmost point and S attract each other when extremely close, this utility model has multiple sockets can drive two above magnetic therapy heads simultaneously, in the time being used in conjunction with main frame, can only go to cure the disease with the magnetic therapy head of single same magnetic polarity, also can use two kinds not the magnetic therapy head of same magnetic polarity go to cure the disease, while curing the disease, use two magnetic therapy heads (4) can be placed on two different positions of human body as the magnetic therapy head with identical polar, as the magnetic therapy head with two opposed polarities can be placed on two sides of the same lesions position of human body or one in front and one in back, due to the polarity difference of two magnetic therapy heads (4) attract each other make two magnetic therapy heads (4) thus magnetic field strengthened and strengthened the curative effect of curing the disease at inside of human body.

Claims

1. a magnet therapeutic apparatus, it by multivibrator (1), follow sign-changing amplifier (2), bidirectional triode thyristor (3), magnetic therapy head (4), light-operated switch (5) and form, it is characterized in that: multivibrator (1) with follow sign-changing amplifier (2) and be connected; Following sign-changing amplifier (2) is connected with light-operated switch (5); Light-operated switch (5) connects bidirectional triode thyristor (3); Bidirectional triode thyristor (3) connects magnetic therapy head (4).

2. a kind of magnet therapeutic apparatus according to claim 1, it is characterized in that: light-operated switch (5) is by high-brightness luminous pipe (8), photoconductive resistance (7), lighttight jacket (6) and lighttight outer casing base (9) composition, the lead-out wire of high-brightness luminous pipe (8) is occupied stably on lighttight outer casing base (9) through lighttight outer casing base (9), photoconductive resistance (7) is ovalize slightly, pectination pattern is made and adopted to conventional cadmium sulfide, there is a transparent window in its front, this transparent window is close to the top of high-brightness luminous pipe (8) and is attached thereto, high-brightness luminous pipe (8), photoconductive resistance (7), lighttight outer casing base (9) is arranged in lighttight jacket (6).

3. a kind of magnet therapeutic apparatus according to claim 1, is characterized in that: magnetic therapy head (4) is a line bag that sticks with E font silicon steel sheet.