CN107320850A - Device and microwave focus method that a kind of microwave is focused on - Google Patents
Device and microwave focus method that a kind of microwave is focused on Download PDFInfo
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- CN107320850A CN107320850A CN201710718686.1A CN201710718686A CN107320850A CN 107320850 A CN107320850 A CN 107320850A CN 201710718686 A CN201710718686 A CN 201710718686A CN 107320850 A CN107320850 A CN 107320850A
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/02—Radiation therapy using microwaves
- A61N5/022—Apparatus adapted for a specific treatment
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Abstract
Invent device and microwave focus method that a kind of microwave is focused on, it is possible to achieve the intensity of microwave on the transmit path is weaker and larger in focal zone intensity, and focal zone can be adjusted.The device that the microwave is focused on includes microwave source, waveguide, converging device and beam splitting arrangement, and the microwave that microwave source is produced passes to beam splitting arrangement by waveguide；The microwave of waveguide output is plane wave；Beam splitting arrangement will pass to converging device after the intensity decreases of microwave, the intensity of microwave is increased and microwave is converged into convergent point by converging device.The device that a kind of microwave is focused on carries out microwave focus method, the microwave that microwave source is produced is converted into plane wave through waveguide and beam splitting arrangement is passed to, the microwave that microwave source is produced is divided into a branch of spherical wave using beam splitting arrangement, the spherical wave that beam splitting arrangement is produced is converged to same region and form multi beam microwave interference by converging device to be strengthened, adjust the relative position of converging device and beam splitting arrangement, the region of control microwave convergence.
Description
Technical field
In particular it is device and microwave focus method that a kind of microwave is focused on the invention belongs to microwave applications field.
Background technology
Obtain comparing in microwave current therapeutic equipment and be widely applied, can be for treatment condyloma acuminatum, cervix erosion
With the disease of tumour or the like.But because low-intensity microwave is limited into human depth, and high-intensity microwave can normal tissue
Cause damage, therefore the focus of surface or shallow depth can only be treated.
The device utilizes the fluctuation person's character of microwave, it is possible to achieve intensity is not high on the transmit path, reaches that normal structure can
With the scope of receiving, and realize and focus in specified location, i.e. lesions position, so as to realize the high intensity in lesions position to reach
The purpose for the treatment of.
The content of the invention
The present invention solves the technical problem of provide device and microwave focus method that a kind of microwave is focused on, Ke Yishi
The existing intensity of microwave on the transmit path is weaker and larger in focal zone intensity, and focal zone can be adjusted.
In order to solve the above technical problems, being in particular that a kind of microwave is focused on the present invention relates to a kind of focusing arrangement
Device, including microwave source, waveguide, converging device and beam splitting arrangement, it is possible to achieve the intensity of microwave on the transmit path is weaker
And it is larger in focal zone intensity, and focal zone can adjust.
The microwave that the microwave source is produced passes to beam splitting arrangement by waveguide；
The microwave of described waveguide output is plane wave；
The beam splitting arrangement will pass to converging device after the intensity decreases of microwave, the converging device is by the intensity of microwave
Increase and microwave is converged into convergent point.
As the further optimization of the technical program, the beam splitting arrangement described in device that a kind of microwave of the invention is focused on includes
Multiple adjustable half reflection plates in position, it is identical and have that the microwave that microwave source is produced is divided into many beam intensities by the half reflection plate
The microwave of coherence；The converging device include the adjustable concave reflection plate in multiple positions, the concave reflection plate will it is described partly
The microwave that reflecting plate is produced converges to same region and forms the reinforcement of multi beam microwave interference；The half reflection plate and concave reflection
The quantity of plate is identical；The two adjacent beam microwaves that the half reflection plate is produced are by the wave path-difference of concave reflection plate to convergent point
One wavelength.
As the further optimization of the technical program, the half reflection plate described in device that a kind of microwave of the invention is focused on is flat
Panel, the microwave transparent rate of the multiple half reflection plate is successively decreased successively along microwave propagation direction so that in each Shu Weibo of convergent point
Intensity is identical.
As the further optimization of the technical program, the converging device described in device that a kind of microwave of the invention is focused on also is wrapped
Multiple adjustable supports are included, the adjustable support is equal with the quantity of concave reflection plate, and the concave reflection plate is fixed on institute
State on adjustable support.
As the further optimization of the technical program, the concave reflection plate described in device that a kind of microwave of the invention is focused on
It is shaped as concave surface.
As the further optimization of the technical program, the beam splitting arrangement described in device that a kind of microwave of the invention is focused on also is wrapped
Multiple fixed supports are included, the fixed support is equal with the quantity of half reflection plate, the half reflection plate is fixed on the fixed branch
On frame.
As the further optimization of the technical program, the beam splitting arrangement described in device that a kind of microwave of the invention is focused on is micro-
The microwave that waveguide is exported is divided into a branch of spherical wave by the divergent lens of ripple wave band, the divergent lens；The converging device bag
Containing the Fresnel Lenses being made up of multiple donuts, spherical wave is converged into convergent point row and strengthened into interference.
The device that a kind of microwave is focused on carries out microwave focus method, comprises the following steps,
Step 1: the microwave that microwave source is produced is converted into plane wave through waveguide and beam splitting arrangement is passed to；
Step 2: the microwave that microwave source is produced is divided into many beam intensities using the beam splitting arrangement with different microwave transparent rates
Microwave identical and with coherence；
Step 3: the microwave that beam splitting arrangement is produced is converged to same region and forms multi beam microwave interference by converging device
Strengthen；
Step 4: the relative position of regulation converging device and beam splitting arrangement, the region of control microwave convergence.
The device that a kind of microwave is focused on carries out microwave focus method, comprises the following steps,
Step 1: the microwave that microwave source is produced is converted into plane wave through waveguide and beam splitting arrangement is passed to；
Step 2: the microwave that microwave source is produced is divided into a branch of spherical wave using beam splitting arrangement, the intensity of microwave is reduced；
Done Step 3: the spherical wave that beam splitting arrangement is produced is converged to same region and form multi beam microwave by converging device
Relate to reinforcement；
Step 4: the relative position of regulation converging device and beam splitting arrangement, the region of control microwave convergence.
A kind of device of microwave focusing of the present invention and having the beneficial effect that for microwave focus method：
The device and microwave focus method that a kind of microwave of the present invention is focused on can realize the intensity of microwave on the transmit path
It is weaker and larger in focal zone intensity, and focal zone can adjust.
Brief description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
The structural representation for the device that Fig. 1 focuses on for a kind of microwave of the invention.
In figure：Microwave source 1；Waveguide 2；Converging device 3；Concave reflection plate 31；Adjustable support 32；Beam splitting arrangement 4；Half
Reflecting plate 41；Fixed support 42.
Embodiment
Embodiment one：
Illustrate present embodiment with reference to Fig. 1, the device that a kind of microwave described in present embodiment is focused on, including microwave
Source 1, waveguide 2, converging device 3 and beam splitting arrangement 4, it is possible to achieve the intensity of microwave on the transmit path is weaker and in focal zone
Intensity is larger, and focal zone can be adjusted.
The microwave that the microwave source 1 is produced passes to beam splitting arrangement 4 by waveguide 2, and microwave source 1 is used for micro- needed for producing
Ripple, waveguide 2 is used for the microwave transfer for producing microwave source 1 to beam splitting arrangement 4；
The microwave that described waveguide 2 is exported is plane wave；Microwave source 1 and waveguide 2 are all existing equipments, can basis
Actual demand is chosen.
The beam splitting arrangement 4 will pass to converging device 3 after the intensity decreases of microwave, the converging device 3 is by microwave
Intensity increases and microwave is converged into convergent point.Microwave needs intensity weaker in transmitting procedure, and needs intensity in convergent point
It is larger.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one,
The beam splitting arrangement 4 includes the adjustable half reflection plate 41 in multiple positions, and the half reflection plate 41 produces microwave source 1
Microwave be divided into many beam intensities it is identical and with coherence microwave；The half reflection plate 41 has transmission and microwave reflection
Ability, it can be adjusted as needed in the position in space, and the size of half reflection plate 41 is depending on the size of microwave source.Described point
The effect of bundle device 4 is exactly that the microwave of same wave source is divided into multi beam microwave, continues to propagate forward according to actual needs.
The converging device 3 include the adjustable concave reflection plate 31 in multiple positions, the concave reflection plate 31 will it is described partly
The microwave that reflecting plate 41 is produced converges to same region and forms the reinforcement of multi beam microwave interference；The concave reflection plate 31 has
The ability of microwave reflection, it can be adjusted as needed in the position in space.The effect of the converging device 3 is exactly that beam splitting is filled
Put 4 microwaves transmitted and converge to the position or region for being actually needed focusing, and the bar that the formation interference of multi beam microwave is strengthened can be met
Part.
The half reflection plate 41 is identical with the quantity of concave reflection plate 31；
The two adjacent beam microwaves that the half reflection plate 41 is produced are by the wave path-difference of concave reflection plate 31 to convergent point
One wavelength, is strengthened with meeting interference.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment two, described half
Reflecting plate 41 is surface plate, and the microwave transparent rate of the multiple half reflection plate 41 is successively decreased successively along microwave propagation direction so that
Each beam microwave intensity of convergent point is identical.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment two or three, described
Converging device 3 also include multiple adjustable supports 32, the adjustable support 32 is equal with the quantity of concave reflection plate 31, institute
Concave reflection plate 31 is stated to be fixed on the adjustable support 32.The adjustable support 32 is that Guangzhou easily general packaging facilities is limited
The P4001 small two-dimension adjusting brackets of company's production, position and angle for adjusting concave reflection plate 31.Adjustable support 32
The position continuously adjustabe of placement, so as to realize that the microwave of each baffle reflection converges to the region of same needs.
Embodiment five：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment four, and described is recessed
Face reflecting plate 31 is shaped as concave surface, with microwave reflection ability, and forms in space specific arrangement, and position is adjustable.It is recessed
The radius of curvature of face reflecting plate 31 is designed according to the distance of actual convergent point, i.e., its focus is convergent point position, can be according to reality
Border demand is chosen.
Embodiment six：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment three, described point
Bundle device 4 also includes multiple fixed supports 42, and the fixed support 42 is equal with the quantity of half reflection plate 41, the half reflection plate
41 are fixed on the fixed support 42.The position of fixed support 42 is adjustable, and it is used to fix half reflection plate 41, and its structure can root
Chosen according to real needs.
Embodiment seven：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one,
Described beam splitting arrangement 4 is the divergent lens of microwave band, the microwave that the divergent lens exports waveguide 2 point
Into a branch of spherical wave；The converging device 3 includes the Fresnel Lenses being made up of multiple donuts, and spherical wave is converged to
Accumulation row is strengthened into interference.Beam splitting arrangement 4 can be chosen according to real needs, and microwave is divided into a branch of spherical wave by beam splitting arrangement 4,
So as to reduce the intensity of microwave.Converging device 3 is Fresnel Lenses, can be chosen according to real needs.Converging device 3 is comprising more
Individual donut, passes through and stops microwave respectively, and dividing for its radius need to be according to the size design of actual device, so as to realize micro-
Ripple is strengthened in convergent point row into interference.
Embodiment eight：
Illustrate present embodiment with reference to Fig. 1, the device that a kind of microwave of present embodiment is focused on carries out microwave focusing side
Method, comprises the following steps,
Step 1: the microwave that microwave source 1 is produced is converted into plane wave through waveguide 2 and beam splitting arrangement 4 is passed to；
Step 2: the microwave that microwave source 1 is produced is divided into many beam intensities using the beam splitting arrangement 4 with different microwave transparent rates
Degree is identical and has the microwave of coherence；
Done Step 3: the microwave that beam splitting arrangement 4 is produced is converged to same region and form multi beam microwave by converging device 3
Relate to reinforcement；
Step 4: the relative position of regulation converging device 3 and beam splitting arrangement 4, the region of control microwave convergence.
Embodiment nine：
Illustrate present embodiment with reference to Fig. 1, the device that a kind of microwave of present embodiment is focused on carries out microwave focusing side
Method, comprises the following steps,
Step 1: the microwave that microwave source 1 is produced is converted into plane wave through waveguide 2 and beam splitting arrangement 4 is passed to；
Step 2: the microwave that microwave source is produced is divided into a branch of spherical wave using beam splitting arrangement 4, the intensity of microwave is reduced；
Step 3: the spherical wave that beam splitting arrangement 4 is produced is converged to same region and forms multi beam microwave by converging device 3
Interference is strengthened；
Step 4: the relative position of regulation converging device 3 and beam splitting arrangement 4, the region of control microwave convergence.
Operation principle and process：
In use, first selecting suitable microwave source 1 according to use demand, the microwave that microwave source 1 is produced is passed by waveguide 2
Beam splitting arrangement 4 is passed, the microwave that waveguide 2 is exported is plane wave.Beam splitting arrangement 4 is fixed, waveguide 2 is exported into microwave transfer
To the half reflection plate 41 in beam splitting arrangement 4, microwave is divided into many beam intensities are identical and microwave with coherence.Half reflection plate
41 microwave transparent rate is successively decreased successively along microwave propagation direction so that identical in each beam microwave intensity of convergent point.Microwave source 1 is produced
Raw microwave is divided into multi beam transmission, the intensity of microwave can be reduced, so that normal human tissue can be born.Half reflection plate
41 can be adjusted as needed in the position in space, and the size of half reflection plate 41 is depending on the size of microwave source.In converging device 3
The quantity of concave reflection plate 31 is identical with the quantity of half reflection plate 41, and the position of concave reflection plate 31 is adjusted according to convergence region
It is whole and fixed.The microwave that half reflection plate 41 is produced is converged to same region and forms multi beam microwave interference by concave reflection plate 31
Strengthen.The effect of converging device 3 is exactly that the microwave that beam splitting arrangement 4 is transmitted converges to the position or region for being actually needed focusing,
And the condition that the formation interference of multi beam microwave is strengthened can be met, so that the microwave intensity of focal zone is larger, meet treatment
Intensity requirement.By the relative arrangement for adjusting half reflection plate 41 and concave reflection plate 31, thus it is possible to vary focal zone, so that
Realize the treatment of different zones.
Wherein, beam splitting arrangement 4 can also be the divergent lens of a microwave band, and microwave is divided into a branch of ball by divergent lens
Face ripple, so as to reduce the intensity of microwave.
Converging device 3 can also be a Fresnel Lenses, i.e., comprising multiple donuts, pass through respectively and stop micro-
Ripple, dividing for its radius need to be strengthened so as to realize according to the size design of actual device in convergent point row into interference.
Certainly, described above not limitation of the present invention, the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention
Protect scope.
Claims (9)
1. the device that a kind of microwave is focused on, it is characterised in that：The microwave focus on device include microwave source (1), waveguide (2),
Converging device (3) and beam splitting arrangement (4),
The microwave that the microwave source (1) produces passes to beam splitting arrangement (4) by waveguide (2)；
The microwave of described waveguide (2) output is plane wave；
The beam splitting arrangement (4) will pass to converging device (3) after the intensity decreases of microwave, the converging device (3) is by microwave
Intensity increase and microwave is converged into convergent point.
2. the device that a kind of microwave according to claim 1 is focused on, it is characterised in that：Described beam splitting arrangement (4) includes
The microwave that microwave source (1) is produced is divided into many beam intensities by multiple adjustable half reflection plates (41) in position, the half reflection plate (41)
Microwave identical and with coherence；The converging device (3) includes the adjustable concave reflection plate (31) in multiple positions, described
The microwave that the half reflection plate (41) produces is converged to same region and forms multi beam microwave interference by concave reflection plate (31)
Strengthen；The half reflection plate (41) is identical with the quantity of concave reflection plate (31)；It is adjacent that the half reflection plate (41) produces
Two beam microwaves are a wavelength by the wave path-difference of concave reflection plate (31) to convergent point.
3. the device that a kind of microwave according to claim 2 is focused on, it is characterised in that：Described half reflection plate (41) is flat
Panel, the microwave transparent rate of the multiple half reflection plate (41) is successively decreased successively along microwave propagation direction so that in each beam of convergent point
Microwave intensity is identical.
4. the device that a kind of microwave according to Claims 2 or 3 is focused on, it is characterised in that：Described converging device (3) is also
Including multiple adjustable supports (32), the adjustable support (32) is equal with the quantity of concave reflection plate (31), the concave surface
Reflecting plate (31) is fixed on the adjustable support (32).
5. the device that a kind of microwave according to claim 4 is focused on, it is characterised in that：Described concave reflection plate (31)
It is shaped as concave surface.
6. the device that a kind of microwave according to claim 3 is focused on, it is characterised in that：Described beam splitting arrangement (4) is also wrapped
Multiple fixed supports (42) are included, the fixed support (42) is equal with the quantity of half reflection plate (41), the half reflection plate (41)
It is fixed on the fixed support (42).
7. the device that a kind of microwave according to claim 1 is focused on, it is characterised in that：Described beam splitting arrangement (4) is micro-
The microwave that waveguide (2) is exported is divided into a branch of spherical wave by the divergent lens of ripple wave band, the divergent lens；The converging device
(3) comprising the Fresnel Lenses being made up of multiple donuts, spherical wave is converged into convergent point row and strengthened into interference.
8. the device focused on using a kind of any described microwaves of claim 1-6 carries out microwave focus method, it is characterised in that：
Described microwave focus method comprises the following steps,
Step 1: the microwave that microwave source (1) is produced is converted into plane wave through waveguide (2) and beam splitting arrangement (4) is passed to；
Step 2: the microwave that microwave source (1) is produced is divided into many beam intensities using the beam splitting arrangement (4) with different microwave transparent rates
Degree is identical and has the microwave of coherence；
Done Step 3: the microwave that beam splitting arrangement (4) is produced is converged to same region and form multi beam microwave by converging device (3)
Relate to reinforcement；
Step 4: the relative position of regulation converging device (3) and beam splitting arrangement (4), the region of control microwave convergence.
9. the device focused on using a kind of microwave described in claim 7 carries out microwave focus method, it is characterised in that：Described
Microwave focus method comprises the following steps,
Step 1: the microwave that microwave source (1) is produced is converted into plane wave through waveguide (2) and beam splitting arrangement (4) is passed to；
Step 2: the microwave that microwave source is produced is divided into a branch of spherical wave using beam splitting arrangement (4), the intensity of microwave is reduced；
Step 3: the spherical wave that beam splitting arrangement (4) is produced is converged to same region and forms multi beam microwave by converging device (3)
Interference is strengthened；
Step 4: the relative position of regulation converging device (3) and beam splitting arrangement (4), the region of control microwave convergence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710718686.1A CN107320850A (en) | 2017-08-21 | 2017-08-21 | Device and microwave focus method that a kind of microwave is focused on |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710718686.1A CN107320850A (en) | 2017-08-21 | 2017-08-21 | Device and microwave focus method that a kind of microwave is focused on |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108387785A (en) * | 2018-01-24 | 2018-08-10 | 南京航空航天大学 | A kind of microwave interference spectrum assay method |
| CN108854584A (en) * | 2018-06-12 | 2018-11-23 | 山东理工大学 | The method of ring focusing single mold microwave synthesis NaA molecular sieve membrane |
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| CN102802724A (en) * | 2009-06-10 | 2012-11-28 | 高通股份有限公司 | Thermal treatment system utilizing constructively interfering electromagnetic radiation |
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| CN1437494A (en) * | 2000-06-20 | 2003-08-20 | 效思因公司 | System and method for heating the prostate gland using microwaves for treating and preventing the growth and spread of prostate tumor |
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Application publication date: 20171107 |