CN208372303U - A kind of alternation permanent magnetic field sleep therapy instrument - Google Patents
A kind of alternation permanent magnetic field sleep therapy instrument Download PDFInfo
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- CN208372303U CN208372303U CN201721100684.8U CN201721100684U CN208372303U CN 208372303 U CN208372303 U CN 208372303U CN 201721100684 U CN201721100684 U CN 201721100684U CN 208372303 U CN208372303 U CN 208372303U
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Abstract
The utility model discloses a kind of alternation permanent magnetic field sleep therapy instrument.The utility model is by achieve the purpose that raising and improving central magnetic field intensity and uniformity in the parallel small permanent magnet of the side surface of main permanent magnet NS axis (central axis of the pole N and the pole S) two magnetizing directions of configuration.The therapeutic equipment includes the two groups of symmetrical and identical magnet assemblies of structure in left and right, the two magnet assemblies are connected by arc connector；Each group of magnet assembly includes two rotary brackets, three fixed brackets, two small permanent magnets, a soft magnetism magnetizer, a main permanent magnet and a gear assembly；The gear assembly includes two small conical gears, a large conical gear and motor.For the alternation permanent magnetic field sleep therapy instrument of the utility model in the case where weight declines to a great extent, the magnetic field strength of central area still keeps relatively high amplitude, so that it is light portable to realize alternation permanent magnetic field sleep therapy instrument, the high design concept of stimulus intensity.
Description
Technical field
The utility model relates to Magnetotherapeutic health apparatus fields, and in particular to a kind of alternation permanent magnetic field sleep therapy instrument.
Background technique
Sleep is an extremely complex physiology course, is understood completely not yet the physiological change during sleep at present.
Also significantly raised with living-pattern preservation, sleep disturbance and with the incidence of sleep associated with disease, seriously affect people's
Quality of life, this also proposes an urgent demand to the physiology course and mechanism of research sleep.
Transcranial magnetic stimulation technology is a painless noninvasive detection and treatment technology, it is the magnetism by being placed on scalp
Instantaneous, the high deep-sited pulse punching that coil generates generates stimulation, to a flow direction occur perpendicular to the magnetic field domain of coil plane, together
When generate an electric field perpendicular to magnetic direction, Induced Electric Field and generate induced electricity in vivo using the time-varying magnetic field
Stream, to influence the metabolic activity of tissue.Neural stem cell is as a kind of new method for controlling nervous system, once proposition, just
Cause the high interest from the various aspects such as engineering circles and medical field.Medical field, especially psychiatric department, neurology department and cognition
Study aspect doctor and scholar just constantly looking for the new clinical application of Neural stem cell, and using it as a kind of exploration brain with recognize
Know the new tool of science.
Currently, existing Neural stem cell sleep therapy instrument is mainly designed using electromagnetic method in the market, that is, power transformation when utilizing
Stream flows into coil, and generating high-intensitive time-varying pulsed magnetic field to generate induction field and induced current within the organization makes certain groups
Knit and generate a kind of excited stimulating method, however its there are many problems not yet to solve, as focusing is poor, depth not enough, generate heat
It is high, noise is big etc..The stable magnetic field for making full use of permanent magnet to generate, the advantages such as cheap are improved and optimize existing sleep therapy
Instrument has important value.
Number of patent application proposes to develop a alternation permanent magnetism using the rotating device of permanent magnet for 201611214500.0
Magnetic field sleep therapy instrument, the shortcomings that overcoming above-mentioned pulsed magnetic field, it is good to have reached focusing, the targets such as low and low noise of generating heat,
Maximum field stimulus intensity has reached 39mT, but it weighs about 7100g, because quality constrains greatly very much the practicality.This is practical new
Type proposes a kind of magnetic field focus method, can effectively improve magnetic stimulation intensity, so as to guarantee that magnetic stimulation intensity is higher
On the basis of significantly reduce its quality, to reach light portable original design intention.
Utility model content
The utility model lies in that, alternating magnetic field intensity big for weight existing for existing alternation permanent magnetic field sleep therapy instrument
The problems such as amplitude is low optimizes, and provides a kind of novel alternation permanent magnetic field sleep therapy instrument.
The utility model is by the way that magnet to be combined in a certain order, magnetic force when close to each other using homonymous magnetic pole
Line can be mutually exclusive principle, the magnetic line of force is gathered in required region.By main Design of Permanent Magnet at cylinder in the utility model
Shape reduces its side surface area, while two small permanent magnets being placed in parallel in main permanent magnetism body side surface, is generated by small permanent magnet
The magnetic line of force repels the magnetic line of force that big permanent magnet generates, to achieve the purpose that promote main permanent magnet magnetic force line focus.Meanwhile this reality
Gear assembly is used with novel, halves number of motors, total quality reduces.
The utility model is achieved through the following technical solutions.
A kind of alternation permanent magnetic field sleep therapy instrument, including the two groups of symmetrical and identical magnet assemblies of structure in left and right, this two
A magnet assembly is connected by arc connector 1；Each group of magnet assembly includes two rotary brackets 2, one fixed brackets
3,7, one, fixed bracket main 6 and of permanent magnet of fixed 11, two, bracket small permanent magnets 4, one soft magnetism magnetizer 5, one
One gear assembly；Described two rotary brackets 2 are each passed through the Kong Yu little permanent magnetism on fixed bracket 3 or fixed bracket 7
Body 4 is placed in parallel by rotary bracket 2 in the side surface of main magnet 6 respectively by screw connection, described two small permanent magnets 4,
Gap is reserved between two small permanent magnet 4 and main permanent magnet 6；The outside of the main permanent magnet 6 is provided with soft magnetism magnetizer 5；
The gear assembly includes two small conical gears, 8, large conical gears 9 and motor 12, the large conical gear (9)
Diameter be greater than small conical gear (8) diameter；Described two small conical gears 8 are fixed on rotary bracket 2, respectively by solid
Fixed rack 3 and fixed bracket 7 support, and two small conical gears 8 are engaged to jointly on a large conical gear 9, large conical gear 9
It is supported by fixed bracket 11, the shaft 10 of motor 12 is followed to rotate.
Preferably, the main permanent magnet 6 is diameter 30mm, the cylindrical shape of height 40mm.
Preferably, the main permanent magnet 6 uses cylindrical body axial charging, guides the magnetic line of force and arc by soft magnetism magnetizer 5
Shape connector 1 forms field circuit, its central area between two magnet assemblies is made to generate magnetic field.
Preferably, 4 magnetizing direction of small permanent magnet is parallel with main 6 magnetizing direction of permanent magnet, during rotation when
Be located at and magnetic line of force direction parallel with main permanent magnet it is consistent when the more magnetic lines of force of main permanent magnet can be concentrated on to two magnet groups
Central area between part, to improve central area maximum field strength.
Preferably, the arc connector 1 is the high magnetic permeability soft magnetism magnetizer of satisfactory mechanical property.
Preferably, the motor is stepper motor, and the stepper motor includes motor driver, passes through motor driver control
It makes its rotation, speed, stop or turn to predetermined angular.
Its velocity of rotation and direction are controlled by control stepper motor pulse frequency, can be realized to alternating magnetic field frequency
Control.
Preferably, the fixed bracket, rotary bracket are 304 stainless steels.
Preferably, it is permanent-magnet material that the small permanent magnet and main permanent magnet, which are all made of the NdFeB of model N50,.
Preferably, the arc connector uses the permalloy of model 1J85.
Preferably, the small conical gear and large conical gear are all made of polyformaldehyde material.
Preferably, the modulus and pressure angle of large conical gear 9 and small conical gear 8 require equal.
Large conical gear is fixed in the shaft 10 of stepper motor, and stepper motor is fixed by external bracket, when motor drives
Dynamic device receives a pulse signal, and driving stepper motor rotates a fixed angle by the direction of setting, passes through control pulse
Number is to control the angular displacement of stepper motor, so that large conical gear 9 be driven to rotate, and then drives small conical gear, rotation support
Frame 2 and small permanent magnet 4 thereon rotate, and realize the magnetic pole direction of transformation magnet, change magnetic line of force path, its is made to generate alternation magnetic
?；The velocity and acceleration of stepper motor rotation is controlled by control pulse frequency；By controlling stepper motor pulse frequency
Its velocity of rotation and direction are controlled, can be realized the control to alternating magnetic field frequency.
The utility model compared with the existing technology, have following advantages and effects
(1) basic reason of alternation permanent magnetic field sleep therapy instrument magnetic field focusing difference is distance between main permanent magnet pole
It is short, cause magnet own magnetic force line directly to return to the pole S from the pole N without desired zone, and the main permanent magnet of the utility model uses
Cylindrical shape can minimize its side surface area, can effectively improve problem above.
(2) small permanent magnet and main permanent magnet are placed in parallel in the sleep therapy instrument of the utility model, and magnetizing direction is parallel,
It can be played in rotary course when the magnetizing direction of small magnet is parallel with big magnet magnetizing direction and hinder magnetic line of force closure, reached
The similar effect focused.
(3) the sleep therapy instrument of the utility model is significantly improved due to the focusing performance in magnetic field, so in guarantee
On the basis of heart zone of action change of magnetic field strength is little, the weight of entire alternating magnetic field sleep therapy instrument is significantly reduced, center
Regional magnetic field intensity reaches 27.85mT, and quality is only 0.618kg.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the alternation permanent magnetic field sleep therapy instrument of the utility model.
Fig. 2 is the structure left view of the alternation permanent magnetic field sleep therapy instrument of the utility model.
Fig. 3 is the structural perspective of the alternation permanent magnetic field sleep therapy instrument of the utility model.
Fig. 4 is the structural schematic diagram of the alternation permanent magnetic field sleep therapy instrument middle gear transmission device of the utility model.
Fig. 5 is that the mode of magnetizing that main permanent magnet uses in the alternation permanent magnetic field sleep therapy instrument of the utility model is illustrated
Figure.
Fig. 6 is that the mode of magnetizing that small permanent magnet uses in the alternation permanent magnetic field sleep therapy instrument of the utility model is illustrated
Figure.
Fig. 7 is that the small magnet of the alternation permanent magnetic field sleep therapy instrument of the utility model rotates to magnetizing direction and main permanent magnetism
Magnetic line of force distribution schematic diagram in section when body is identical.
Fig. 8 is that the small magnet of the alternation permanent magnetic field sleep therapy instrument of the utility model rotates to magnetizing direction and main permanent magnetism
Magnetic line of force distribution schematic diagram in section when body is opposite.
Fig. 9 is the X central axis schematic diagram that the alternation permanent magnetic field sleep therapy instrument the inside of the utility model defines.
Figure 10 is the magnetic induction intensity distribution of results of the alternation permanent magnetic field sleep therapy instrument along X central axis of the utility model
Schematic diagram (most weak).
Figure 11 is the magnetic induction intensity distribution of results of the alternation permanent magnetic field sleep therapy instrument along X central axis of the utility model
Schematic diagram (most strong).
Figure 12 be the utility model alternation permanent magnetic field sleep therapy instrument mitigate model each section weight after along X central axis
Magnetic induction intensity distribution of results schematic diagram (most strong).
Figure 13 be the utility model alternation permanent magnetic field sleep therapy instrument mitigate model each section weight after along X central axis
Magnetic induction intensity distribution of results schematic diagram (most weak).
Specific embodiment
The specific implementation of the utility model is further described below with reference to embodiment and attached drawing, but the utility model
Embodiment it is without being limited thereto.
Embodiment 1
Structural schematic diagram, left view, perspective view and the gear of the alternation permanent magnetic field sleep therapy instrument of the utility model pass
Dynamic schematic device is as shown in Figure 1, Figure 2, Figure 3, Figure 4, main Design of Permanent Magnet is grown up cylindric, reduces its side surface area, together
When two small permanent magnets are placed in parallel in main permanent magnetism body side surface, main permanent magnet is repelled by the magnetic line of force that small permanent magnet generates
The magnetic line of force of generation, to achieve the purpose that promote main permanent magnet magnetic force line focus.The alternation permanent magnetic field sleep therapy instrument packet
The two groups of symmetrical and identical magnet assemblies of structure in left and right are included, the two magnet assemblies are connected by arc connector 1；Each group of magnetic
Body component include it is fixed 7, one, bracket, two rotary brackets 2, one 3, one, fixed brackets fixed 11, two, bracket small forever
The main permanent magnet 6 of the soft magnetism magnetizer 5, one of magnet 4, one and a gear assembly；The rotary bracket 2 passes through bracket 3
On Kong Yu little permanent magnet 4 by screw connection, described two small permanent magnets 4 are placed in parallel by rotary bracket 2 in master respectively
The side surface of magnet 6 is reserved with gap 0.5cm between two small permanent magnet 4 and main permanent magnet 6；The outside of the main permanent magnet 6
It is provided with soft magnetism magnetizer 5；The gear assembly includes two small conical gears 8, large conical gears 9 and a motors
12, described two small conical gears 8 are fixed on rotary bracket 2, are supported respectively by fixed bracket 3 and fixed bracket 7, two
Small conical gear 8 is engaged to jointly on a large conical gear 9, and large conical gear 9 passes through the fixed support of bracket 11 and follows motor
Shaft 10 rotate.
The main permanent magnet 6 uses cylindrical body axial charging, can externally generate magnetic field, pass through soft magnetism magnetizer 5
It guides the magnetic line of force and arc connector 1 to form field circuit, it is made to generate magnetic field in the central area of two magnet assemblies；
The small conical gear and large conical gear are all made of polyformaldehyde material；
The motor is stepper motor, and the stepper motor includes motor driver, controls its turn by motor driver
It moves, speed, stop or turn to predetermined angular；
When motor driver receives a pulse signal, driving stepper motor rotates a fixed angles by the direction of setting
Degree controls the angular displacement of stepper motor by control pulse number, to drive rotation large conical gear 9, conicle tooth
Wheel 8, rotary bracket 2 and small permanent magnet 4 thereon rotate, and realize the magnetic pole direction of transformation magnet, change the magnetic line of force, make its generation
Alternating magnetic field；
The velocity and acceleration of stepper motor rotation is controlled by control pulse frequency；By controlling stepper motor pulse
Frequency controls its velocity of rotation and direction, can be realized the control to alternating magnetic field frequency.
The alternation permanent magnetic field sleep therapy instrument magnet of the utility model is more, and all has very strong magnetism, can produce
Raw very strong repulsive force and attraction, so utilizing rotary bracket, support to guarantee using effect and manufacturing cost and safety
The components such as part fix total frame, and used material is un-conducted magnetic material, and require corrosion resistance, heat-resisting
Property, low temperature intensity, satisfactory mechanical property, deep draw, the preferable room temperature processing performance such as bending the advantages that, therefore comprehensively consider, select
304 stainless steels.
Fig. 5, Fig. 6 are the shape and the mode that magnetizes of permanent magnet in the alternation permanent magnetic field sleep therapy instrument of the utility model.
Use the NdFeB of model N50 for permanent-magnet material；Main permanent magnet 6 is diameter 30mm, the cylindrical shape of height 40mm；Two masters
Permanent magnet end spacing is 16cm.
Such as the schematic illustration that Fig. 7, Fig. 8 are magnet structure used in the utility model.Arrow direction is the magnetic line of force in figure
Direction.When small permanent magnet 4 rotates to direction shown in Fig. 7, the magnetic line of force and main permanent magnet 6 that small permanent magnet 4 generates at this time are produced
The raw magnetic line of force is mutually exclusive, and the magnetic line of force of the pole N of main permanent magnet 6 can more enter working region, thus in workspace
Domain generates stronger magnetic field；When rotation status is Fig. 8, the magnetic line of force and main permanent magnet 6 that two small permanent magnet 4 generates at this time are produced
The raw magnetic line of force attracts each other, and the magnetic line of force of sending is formed into a loop according to minimal path principle and nearest magnetic pole, so that passing through
The intermediate magnetic line of force is minimum, thus minimum in the magnetic field strength that central area generates.Utilize this continuous transformation pole orientation
Method makes it generate alternating magnetic field in central area.
In order to meet design requirement, it is desirable that arc connector 1 has good elastoplasticity and higher magnetic conductivity, therefore uses
The permalloy of model 1J85, and be processed into the thin ribbon shaped with a thickness of 1mm and made annealing treatment, remaining magnetizer is all made of
Electrical pure iron.
Stepper motor is the opened loop control member stepper motor part that electric impulse signal is changed into angular displacement or displacement of the lines, non-
Under overload condition, the revolving speed of stepper motor, the position of stopping are solely dependent upon the frequency and umber of pulse of pulse signal, without being loaded
The influence of variation, as soon as when stepper motor driver receives a pulse signal, it drives stepper motor by the direction rotation of setting
One fixed angle can control angular displacement by pulse number, to achieve the purpose that accurate positionin；It simultaneously can be with
The velocity and acceleration of motor is controlled by control pulse frequency, to achieve the purpose that adjustment.Stepper motor driving is small forever
Magnet 4 rotates, and realizes the magnetic pole direction of transformation magnet, changes magnetic line of force direction, while controlling by control motor pulses frequency
The control of velocity of rotation and change frequency to the magnet can be realized in the velocity of rotation of motor processed and direction, generates similar arteries and veins
Rush the effect in magnetic field.
The X central axis schematic diagram defined inside the alternation permanent magnetic field sleep therapy instrument of the present embodiment is as shown in Figure 9.
Figure 11 is that the alternation permanent magnetic field sleep therapy instrument of the present embodiment is strong in original state, that is, central role regional magnetic field
Magnetic induction intensity distribution of results schematic diagram when degree is maximum, from the graph, it is apparent that along X central axis, magnetic field strength is in U-shape
Distribution, it is minimum to bosom zone of action magnetic field strength, herein up to 130.3mT.
It is central role that Figure 10, which is after 4 magnetic pole of small permanent magnet of the alternation permanent magnetic field sleep therapy instrument of the present embodiment rotates,
Magnetic induction intensity distribution of results figure when regional magnetic field intensity minimum, from the graph, it is apparent that central area minimum-B configuration
Intensity remains to reach the constant interval for having 22.1mT between 108.2mT and maximum value, and the constant interval of alternating magnetic field is larger, thorn
Sharp range is wider.
Embodiment 2
Magnetic field strength in embodiment 1 meets the actual use demand of the instrument, but volume and weight still can not
Meet.Actually magnetic field strength can about be satisfied the use demand in 30mT or so.Therefore,
(1) by all element sizes in the alternation permanent magnetic field sleep therapy instrument of embodiment 1 in addition to arc connector 1
With the scale smaller of 2.2:1, while the size for adjusting circular sliding slopes part 1 guarantees that two main magnet end face spacing are 16cm, obtains
Quality is only the alternation permanent magnetic field sleep therapy instrument of 0.618kg.
(2) Figure 12 is the alternation permanent magnetic field sleep therapy instrument of the present embodiment in original state, that is, central role regional magnetic field
Magnetic induction intensity distribution of results schematic diagram when maximum intensity, from the graph, it is apparent that magnetic field strength is in U along x central axis
Shape distribution, it is minimum to bosom zone of action magnetic field strength, up to 27.85mT.
(3) it is center after the rotation of small 4 magnetic pole of permanent magnet that Figure 13, which is the alternation permanent magnetic field sleep therapy instrument of the present embodiment,
Magnetic induction intensity distribution of results figure when the magnetic field strength minimum of the zone of action, it can be seen from the figure that along x central axis, center
Domain minimum-B configuration intensity, which remains to reach, 6.22mT between 21.63mT and maximum value.
Compared with the alternation permanent magnetic field sleep therapy instrument of embodiment 1, although the alternation permanent magnetic field of the present embodiment is slept
There are many magnetic field strength decline of therapeutic equipment, but the magnetic field strength of 27.85mT is still able to satisfy stimulation and requires, and quality is reduced to
0.618kg is more conform with light portable original design intention.
Comparative example
Sleep therapy instrument in the comparative example is that (number of patent application is not optimized alternation permanent magnetic field sleep therapy instrument
201611214500.0)。
Table 1
As described above, the utility model can be realized preferably.
The embodiments of the present invention is simultaneously not restricted to the described embodiments, other any essences away from the utility model
The changes, modifications, substitutions, combinations, simplifications done under refreshing essence and principle, should be equivalent substitute mode, be included in this
Within the protection scope of utility model.
Claims (6)
1. a kind of alternation permanent magnetic field sleep therapy instrument, which is characterized in that including the two groups of symmetrical and identical magnets of structure in left and right
Component, the two magnet assemblies are connected by arc connector (1)；Each group of magnet assembly include two rotary brackets (2),
One fixed bracket (3), a fixed bracket (7), a fixed bracket (11), two small permanent magnet (4), a soft magnetism magnetic conduction
Body (5), a main permanent magnet (6) and a gear assembly；The rotary bracket (2) passes through fixed bracket (3) or fixed
For Kong Yu little permanent magnet (4) on bracket (7) by screw connection, described two small permanent magnets (4) pass through rotary bracket (2) respectively
It is placed in parallel the side surface in main permanent magnet (6), is reserved with gap between two small permanent magnet (4) and main permanent magnet (6)；It is described
Soft magnetism magnetizer (5) are provided on the outside of main permanent magnet (6)；The gear assembly includes two small conical gears (8), one
A large conical gear (9) and motor (12), the diameter of the large conical gear (9) are greater than the diameter of small conical gear (8)；It is described
Two small conical gears (8) are fixed on rotary bracket (2), are supported respectively by fixed bracket (3) and fixed bracket (7), two
A small conical gear (8) is engaged to jointly on a large conical gear (9), and large conical gear (9) passes through fixed bracket (11) branch
Support, follows the shaft (10) of motor (12) to rotate.
2. a kind of alternation permanent magnetic field sleep therapy instrument according to claim 1, which is characterized in that the main permanent magnet
It (6) is diameter 30mm, the cylindrical shape of height 40mm.
3. a kind of alternation permanent magnetic field sleep therapy instrument according to claim 1, which is characterized in that the main permanent magnet
(6) cylindrical body axial charging is used, guides the magnetic line of force and arc connector (1) to form field circuit by soft magnetism magnetizer (5),
The central area between two magnet assemblies is set to generate magnetic field.
4. a kind of alternation permanent magnetic field sleep therapy instrument according to claim 1, which is characterized in that the small permanent magnet
(4) magnetizing direction is parallel with main permanent magnet (6) magnetizing direction, during rotation, when small permanent magnet (4) is located at and main permanent magnetism
The more magnetic lines of force of main permanent magnet can be concentrated on to the center between two magnet assemblies when body is parallel and magnetic line of force direction is consistent
Region, to improve central area maximum field strength.
5. a kind of alternation permanent magnetic field sleep therapy instrument according to claim 1, which is characterized in that the arc connector
It (1) is high magnetic permeability soft magnetism magnetizer.
6. a kind of alternation permanent magnetic field sleep therapy instrument according to claim 1, which is characterized in that the motor is stepping
Motor, the stepper motor include motor driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100684.8U CN208372303U (en) | 2017-08-30 | 2017-08-30 | A kind of alternation permanent magnetic field sleep therapy instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100684.8U CN208372303U (en) | 2017-08-30 | 2017-08-30 | A kind of alternation permanent magnetic field sleep therapy instrument |
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| Publication Number | Publication Date |
|---|---|
| CN208372303U true CN208372303U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721100684.8U Active CN208372303U (en) | 2017-08-30 | 2017-08-30 | A kind of alternation permanent magnetic field sleep therapy instrument |
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| Country | Link |
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| CN (1) | CN208372303U (en) |
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2017
- 2017-08-30 CN CN201721100684.8U patent/CN208372303U/en active Active
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