CN112691297B - Saddle-shaped microwave irradiator - Google Patents
Saddle-shaped microwave irradiator Download PDFInfo
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- CN112691297B CN112691297B CN202011302442.3A CN202011302442A CN112691297B CN 112691297 B CN112691297 B CN 112691297B CN 202011302442 A CN202011302442 A CN 202011302442A CN 112691297 B CN112691297 B CN 112691297B
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- feed waveguide
- horn antenna
- shell
- microwave
- diffraction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61N5/025—Warming the body, e.g. hyperthermia treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention relates to the technical field of medical treatment, and provides a saddle-shaped microwave irradiator which comprises a shell, wherein a microwave generator is arranged in the shell, the microwave generator comprises a solid source, a feed waveguide and a horn antenna, the solid source is connected with the feed waveguide, the feed waveguide is arranged in an inner cavity of the horn antenna, a plurality of layers of baffle plates attached to the inner wall of the horn antenna are arranged in the extension direction of the inner cavity of the horn antenna, each layer of baffle plate is provided with diffraction holes, and the number of the diffraction holes on the baffle plate from one end of the feed waveguide to the end far away from the feed waveguide is increased in sequence; the diffraction holes on the blocking plates are multiplied by indexes, and the diffraction holes of the adjacent blocking plates are staggered. According to the invention, the microwave emitted by the feed waveguide passes through the barrier plate layer by layer to form superposition and diffraction through the diffraction holes on the barrier plate, so that the electromagnetic wave is redistributed, the electromagnetic wave is distributed more uniformly, and the energy uniform irradiation on the focus part is realized.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a saddle-shaped microwave irradiator.
Background
The microwave is used for clinical medical treatment for nearly fifty years, the principle of the traditional microwave treatment is that the microwave is emitted to human body parts, water molecules in human tissues are rubbed with each other to generate heat, the heat is utilized to promote blood circulation so as to achieve the purpose of treating chronic diseases, and generally patients can feel warm feeling during microwave irradiation.
The prior patent CN206138589U, entitled "saddle-shaped physiotherapy radiator", includes a housing, a cover cap, a connector, a feed waveguide, a fluorescent tube, and a coaxial cable, where the housing is in a semicircular saddle shape, an opening above the housing is detachably equipped with an arc-shaped cover cap, and the feed waveguide is arranged in an inner cavity of the housing; the bottom of the shell is fixedly connected with a connecting piece through a bolt, the physiotherapy radiator is assembled on the microwave therapy apparatus through the connecting piece, and the feed waveguide is an Archimedes spiral antenna. The microwave radiator has a common disadvantage with the existing microwave radiators:
1. after microwave emission, the defect of uneven microwave distribution causes the problem of uneven irradiation energy on focus parts when patients are irradiated, and causes difference in treatment effect;
2. the saddle-shaped structure of the patent can not be adjusted correspondingly according to the focus position of a patient, and the practicability needs to be further improved.
Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.
Disclosure of Invention
The invention aims to provide a saddle-type microwave irradiator to solve the problem of the prior art.
The embodiment of the invention is realized by the following technical scheme:
a saddle-type microwave irradiator comprises a shell, wherein a microwave generator is arranged in the shell, the microwave generator comprises a solid source, a feed waveguide and a horn antenna, the solid source is connected with the feed waveguide, the feed waveguide is arranged in an inner cavity of the horn antenna, a plurality of layers of baffle plates attached to the inner wall of the horn antenna are arranged in the extension direction of the inner cavity of the horn antenna, each layer of baffle plate is provided with diffraction holes, and the number of the diffraction holes on the baffle plate from one end of the feed waveguide to the end far away from the feed waveguide is increased in sequence; the diffraction holes on the blocking plates are multiplied by indexes, and the diffraction holes of the adjacent blocking plates are staggered.
Further, the outer wall of the horn antenna is wrapped by an inner inhibition cover and an outer inhibition cover, and a microwave absorption material layer is filled between the inner inhibition cover and the outer inhibition cover.
Further, the shell comprises a main shell and auxiliary shells connected to two ends of the main shell through damping rotating shafts.
Further, the damping pivot includes integrated into one piece in the axle sleeve of main shell and integrated into one piece in the jack-post of assisting the shell, the inner wall of axle sleeve is provided with the damping groove along the axis direction of axle sleeve, the outer wall of jack-post has a plurality of recesses along the axis direction equipartition of jack-post, every the recess in be provided with the elastic damping piece, place the axle sleeve in the jack-post in, and when the jack-post rotates to arbitrary angle, there is the elastic damping piece to kick-in the damping groove.
Further, the elastic damping fin comprises a spring and a damping fin.
Further, the microwave generators are arranged in the main shell and the auxiliary shell.
Further, the main shell and the auxiliary shell are also provided with neon tubes.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
1. according to the invention, the microwaves emitted by the feed waveguide pass through the barrier plate layer by layer to form superposition and diffraction through the diffraction holes on the barrier plate, and the electromagnetic waves are redistributed, so that the electromagnetic waves are distributed more uniformly, and the energy of the focus part is uniformly irradiated;
2. the main shell and the auxiliary shell are rotatably connected, so that the irradiation included angle of the shell is adjusted, the three-dimensional irradiation on the focus part is realized, and the practicability of the irradiator is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of a saddle-shaped microwave irradiator provided in embodiment 1 of the present invention;
fig. 2 is a side view of a saddle-shaped microwave illuminator provided in embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
fig. 4 is a schematic structural view of a microwave generator.
Icon: 1-shell, 101-main shell, 102-auxiliary shell, 2-damping rotating shaft, 201-shaft sleeve, 202-shaft column, 203-damping groove, 204-groove, 205-spring, 206-damping sheet, 3-microwave generator, 301-solid source, 302-feed waveguide, 303-horn antenna, 304-baffle plate, 305-diffraction hole, 306-inner inhibition cover, 307-outer inhibition cover and 308-microwave absorption material layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a saddle-type microwave irradiator, which includes a housing 1 and a microwave generator 3, wherein the housing 1 includes a main casing 101 and an auxiliary casing 102 rotatably connected to two ends of the main casing 101 through a damping rotating shaft 2, specifically, the damping rotating shaft 2 includes symmetrically arranged shaft sleeves 201 integrally formed at two ends of the main casing 101 and shaft posts 202 integrally formed at two sides of an end portion of the auxiliary casing 102, a pair of damping grooves 203 is symmetrically arranged on an inner wall of the shaft sleeve 201 along a central axis direction of the shaft sleeve 201, a plurality of grooves 204 are uniformly arranged on an outer wall of the shaft post 202 along the central axis direction of the shaft post 202, a spring 205 is arranged in each groove 204, a damping plate 206 is fixedly arranged on the spring 205, the shaft post 202 is rotatably inserted into the shaft sleeve 201, when the shaft post 202 rotates to a certain angle and stops rotating, wherein a certain two damping plates 206 correspondingly spring into the damping grooves 203, the other damping pieces 206 are pressed into the grooves 204, so that the auxiliary housing 102 is prevented from rotating without an external force, thereby realizing the angle adjustment of the auxiliary housing 102, adjusting the irradiation range of the irradiator, and improving the practicability of the irradiator.
Referring to fig. 4, the microwave generator 3 is disposed in the main housing 101 and the auxiliary housings 102 at two ends, the microwave generator 3 includes a solid state source 301, a feed waveguide 302 and a horn antenna 303, the solid state source 301 is connected to the feed waveguide 302, the feed waveguide 302 is disposed in an inner cavity of the horn antenna 303, and the horn antenna 303 is fixed to a housing of the solid state source 301. The inner chamber of horn antenna 303 is provided with a plurality of layers of separation board 304 with the laminating of horn antenna 303 inner wall, separation board 304 extends along the axis direction of horn antenna 303 and arranges, and every layer separation board 304 all is provided with diffraction hole 305, is the index multiplication to the diffraction hole 305 quantity on the separation board 304 of keeping away from feed waveguide one end by feed waveguide one end simultaneously and adds, and is specific, in this embodiment, consider the size of horn antenna 303, set up separation board 304 into the three-layer, and the diffraction hole quantity of first layer separation board is 1, and the diffraction hole quantity of second layer separation board is 2, and the diffraction hole quantity of third layer separation board is 4, and the diffraction hole of adjacent layer separation board staggers each other.
In order to prevent microwave energy from leaking, the outer wall of the horn antenna 303 is wrapped with an inner suppression cover 306 and an outer suppression cover 307, and a microwave absorbing material layer 308 is filled between the inner suppression cover 306 and the outer suppression cover 307. Meanwhile, because the microwave cannot be perceived by people, neon lamps are further arranged in the main shell 101 and the auxiliary shell 102, and the neon lamps are activated by microwave plasma to emit light, so that whether the irradiator works normally or not can be obviously known.
In summary, the saddle-shaped microwave irradiator provided by the embodiment has the following advantages:
1. the shell adopts the main shell to rotate through the damping rotating shaft to connect the auxiliary shell, so that the included angle between the auxiliary shell and the main shell can be adjusted, the purpose of adjusting the irradiation range of the irradiator is realized, and the practicability is greatly improved.
2. The principle of interference and diffraction is fully utilized, a plurality of layers of baffle plates are arranged in a microwave generator, and different numbers of diffraction holes are arranged on the baffle plates, so that the microwave is interfered and diffracted on a propagation path, the aim of redistributing the microwave energy is fulfilled, the aim of uniformly distributing the microwave energy is fulfilled, and the treatment effect of the irradiator on the focus part is greatly improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a saddle type microwave irradiator, includes casing (1), be provided with microwave generator (3) in casing (1), its characterized in that: the microwave generator (3) comprises a solid source (301), a feed waveguide (302) and a horn antenna (303), wherein the solid source (301) is connected with the feed waveguide (302), the feed waveguide (302) is arranged in an inner cavity of the horn antenna (303), a plurality of layers of baffle plates (304) attached to the inner wall of the horn antenna (303) are arranged in the extending direction of the inner cavity of the horn antenna (303), each layer of baffle plate (304) is provided with diffraction holes (305), and the number of the diffraction holes (305) on the baffle plate (304) from one end of the feed waveguide (302) to the end far away from the feed waveguide (302) is increased in sequence;
the number of diffraction holes (305) on the baffle plate (304) is exponentially multiplied, and the diffraction holes (305) of the adjacent baffle plates (304) are staggered.
2. A saddle type microwave irradiator according to claim 1, characterized in that: the outer wall of the horn antenna (303) is wrapped by an inner inhibition cover (306) and an outer inhibition cover (307), and a microwave absorption material layer (308) is filled between the inner inhibition cover (306) and the outer inhibition cover (307).
3. A saddle type microwave irradiator according to claim 1, characterized in that: the shell (1) comprises a main shell (101) and auxiliary shells (102) which are connected to two ends of the main shell (101) through damping rotating shafts (2).
4. A saddle type microwave irradiator according to claim 3, wherein: damping pivot (2) are including integrated into one piece in axle sleeve (201) of main casing (101) and integrated into one piece in jack-post (202) of assisting casing (102), the inner wall of axle sleeve (201) is provided with damping groove (203) along the axis direction of axle sleeve (201), the outer wall of jack-post (202) has a plurality of recesses (204) along the axis direction equipartition of jack-post (202), every recess (204) in be provided with the elastic damping piece, when axle sleeve (201) and jack-post (202) rotate to arbitrary angle in place in jack-post (202), there is the elastic damping piece to kick in damping groove (203).
5. A saddle type microwave irradiator according to claim 4, wherein: the elastic damping sheet comprises a spring (205) and a damping sheet (206).
6. A saddle type microwave irradiator according to claim 4, wherein: the microwave generators (3) are arranged in the main shell (101) and the auxiliary shell (102).
7. A saddle type microwave irradiator according to claim 6, wherein: neon tubes are also arranged in the main shell (101) and the auxiliary shell (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302442.3A CN112691297B (en) | 2020-11-19 | 2020-11-19 | Saddle-shaped microwave irradiator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302442.3A CN112691297B (en) | 2020-11-19 | 2020-11-19 | Saddle-shaped microwave irradiator |
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| CN112691297A CN112691297A (en) | 2021-04-23 |
| CN112691297B true CN112691297B (en) | 2022-03-04 |
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