CN117097262B - High-frequency resonance applicator - Google Patents
High-frequency resonance applicator Download PDFInfo
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- CN117097262B CN117097262B CN202311328915.0A CN202311328915A CN117097262B CN 117097262 B CN117097262 B CN 117097262B CN 202311328915 A CN202311328915 A CN 202311328915A CN 117097262 B CN117097262 B CN 117097262B
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- 238000009966 trimming Methods 0.000 claims abstract description 87
- 238000009413 insulation Methods 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000002560 therapeutic procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/04—Arrangements for compensating for variations of physical values, e.g. temperature
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance only
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Abstract
The invention discloses a high-frequency resonance applicator, which comprises an inductance coil and a capacitor with adjustable capacitance, wherein the capacitor is arranged below the inductance coil, the capacitor comprises a resonance plate on which a plurality of capacitors are mounted and a trimming capacitance plate respectively arranged at the upper end and the lower end of the resonance plate, a second wire is connected between the trimming capacitance plate and the resonance plate, the trimming capacitance plate and the resonance plate are connected in parallel in a circuit, and the total capacitance in the circuit is adjusted in a small range by changing the distance between the trimming capacitance plates. In the application, the resonance plate is equivalent to a capacitance plate with a fixed value, and the total capacitance in the circuit is greatly adjusted by replacing the resonance plate; the total capacitance in the circuit is adjusted in a micro-amplitude manner by adjusting the distance between the trimming capacitance plates, the capacitance value of the trimming capacitance plates is reduced by arranging the resonance plates with fixed value capacitance, and the accurate calibration of the diagonal frequency is achieved by reducing the adjustable range of the capacitance.
Description
Technical Field
The invention relates to the field of resonators, in particular to a high-frequency resonant applicator.
Background
The high frequency related by the invention mainly refers to medical radio frequency bands, the frequency ranges from a few MHz to hundreds of MHz, and the electromagnetic wave wavelength in the range ranges from one meter to tens of meters, including the frequency bands of 6.78MHz, 13.56MHz, 27.12MHz and 40.68MHz used by radio frequency medical equipment. The medical high-frequency treatment means are mainly divided into a capacitive field therapy and a high-frequency magnetic field therapy, wherein a human body is placed in a capacitive field between two capacitive electrodes as a medium during the capacitive field therapy, electrodeless molecules of the medium in the human body are polarized into dipoles, the dipoles rotate at a high speed along with the oscillation of electromagnetic waves, displacement currents are generated, and energy loss is caused by friction between the dipoles and surrounding media, so that the energy loss is regarded as medium loss. High frequency magnetic field therapy refers to the induction of electromagnetic fields when high frequency current passes through a coil conductor, and the application of high frequency electric fields or magnetic fields of proper intensity to human tissues can generate heat and non-heat effects. In high frequency magnetic field therapy, the human body is not part of a high frequency current loop, and the current resonates in a specially designed applicator, completing the energy conversion from an electric field to a magnetic field. The invention is only applicable to applicators or resonators as high frequency magnetic field treatment.
The current mainstream design method of the high-frequency magnetic field applicator comprises two methods, namely a cable winding method and a planar spiral coil method, wherein the cable winding method is to wind an insulated wire into a coil at a treatment position of a human body, and high-frequency magnetic fields are generated when high-frequency current passes through the coil. The planar spiral coil utilizes the inductance of the coil and a capacitor matched with the coil to complete impedance matching under specific frequency, and as the spiral coil tap is often positioned at the root of the coil, the boosting ratio is very high during high-frequency power output and often exceeds 10KV, the ceramic capacitor matched with the spiral coil is huge in volume and high in price; because of the structural limitation of the spiral coil, the magnetic field emission surface of the applicator can only be made into a circular plane, and the clinical application scene has larger limitation. On the basis, the ceramic capacitor is changed into an air capacitor formed by two or more aluminum plates, and the method can meet the high voltage-resistant requirement of the capacitor, but has complex structure, higher requirement on the processing technology and more difficult equipment. The existing capacitor is accurately calibrated due to the limitation of the adjustable range of the capacitance, and the capacitor is further accurately calibrated due to the limitation of the working space; the capacitor is easy to change LC parameters of the whole circuit due to structural deformation, so that output is detuned, and a high-frequency resonance applicator is provided for solving the technical problem.
Disclosure of Invention
The invention aims to solve the problem of output detuning of a capacitor in a high-frequency resonance application device caused by adjustable precision and structural deformation in the prior art, and provides the high-frequency resonance application device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a high frequency resonant applicator comprising an inductor and a capacitance-adjustable capacitor, said capacitor being disposed below the inductor and having at least 1 inductor, wherein both the inductor and the capacitor are disposed in a circuit; the capacitor comprises a resonant plate and trimming capacitor plates, wherein the resonant plates are provided with a plurality of capacitors, the trimming capacitor plates are respectively arranged at the upper end and the lower end of the resonant plate, a second lead is connected between the trimming capacitor plates and the resonant plates, the trimming capacitor plates and the resonant plates are connected in parallel in a circuit, and the total capacitance in the circuit is adjusted in a small range by changing the distance between the trimming capacitor plates.
Preferably, the capacitance of the trimming capacitor plate is smaller than that of the resonance plate.
Preferably, the fine tuning capacitor plates are of a circular plate-shaped structure, the fine tuning capacitor plates are of a PCB (printed circuit board), and the accurate calibration of the diagonal frequency omega is realized by changing the distance between the fine tuning capacitor plates; the resonant board is of a circular plate-shaped structure, the resonant board is a PCBA board, and a radio frequency connector is arranged below the resonant board; the inductance coil is of a copper tubular structure, and the inductance coil is an arc inductance coil.
Preferably, at least 2 fifth fasteners are connected between the two trimming capacitor plates, and the distance between the trimming capacitor plates is adjustable by arranging at least 2 fifth fasteners, wherein the trimming capacitor plates can be prevented from being deformed by increasing the number of the fifth fasteners.
Preferably, an elastic washer is further arranged between the trimming capacitor plate and the resonance plate, wherein the elastic washer is a nitrile rubber ring.
Preferably, the fifth fastening member includes a fastening bolt penetrating through the 2 trimming capacitor plates, the resonant plate and the elastic washer, and a nut installed to allow the interval between the 2 trimming capacitor plates to be adjustable.
Preferably, the inductance coil on connect the coil and take a percentage, the one end that the coil takes a percentage fix on the resonance board, wherein the both ends homogeneity formula of inductance coil is connected with the connector, connector and inductance coil between still be connected with the bending section.
Preferably, the inductance coil is of a copper strip structure, a second through hole is formed in the inductance coil, a fourth fastener is installed in the second through hole and penetrates through the coil tap and is fixed on the inductance coil, and the upper end of the coil tap can be adjusted in position through deformation.
Preferably, the lower end of the connector is abutted with a conductive sleeve, wherein one end of the conductive sleeve penetrates through the heat insulation plate, and the end of the conductive sleeve is abutted on the resonance plate; the second fastening piece is arranged above the connector, and the third fastening piece is arranged below the resonance plate; the side wall of the inductance coil is also provided with at least 1 support column, wherein the support column is provided with a fourth fastener, and the fourth fastener penetrates through the inductance coil and is fixed on the support column; the lower ends of the support columns are arranged on the heat insulation plate, the upper ends of the support columns are provided with shielding plates, support shaft sleeves are arranged right below the support columns, the number of the support shaft sleeves is multiple, the support shaft sleeves are arranged between the heat insulation plate and the resonance plate, and the support shaft sleeves are also arranged between the connector and the shielding plates; wherein, a first wire and a first fastener are arranged above the shielding plate, and the other end of the first wire is arranged below the heat insulation plate; wherein the first fastener penetrates through the first wire and the shielding plate and is fixed in the support column; and a third fastener is arranged right below the support column and below the resonance plate, penetrates through the resonance plate and is arranged on the support shaft sleeve.
Preferably, the first fastener, the second fastener, the third fastener and the fourth fastener are respectively fastening studs or fastening screws; the shape of the shielding plate is the same as that of the heat insulating plate.
Preferably, the first lead, the second lead and the coil tap are all copper strips; the supporting shaft sleeve is of a penetrating structure or a single-channel structure.
Preferably, the heat insulation plate is arranged between the inductance coil and the capacitor, and the heat insulation plate is arranged in the lower shell, wherein an upper opening is arranged above the lower shell, and the size of the upper opening is larger than that of the heat insulation plate, so that the heat insulation plate is convenient to be placed in the lower shell; the upper end of the lower shell is provided with an upper end cover, and the inductance coil is arranged close to the upper end cover.
The beneficial effects are that: the number of the inductance coils is at least 1, when the inductance coils and the capacitor are connected in parallel, the inductance of the inductance coils is reduced, and the capacitance of the capacitor is increased to manufacture an applicator with larger radiation area; when the inductor and the capacitor are connected in series, the electricity of the inductor is increasedThe capacitance of the inductance-reducing capacitor is used to make an applicator with a smaller radiating area while reducing the overall structure of the applicator. Wherein the capacitance of the resonance plate and the trimming capacitor plate after being connected in parallel is C; the resonance plate is equivalent to a capacitance plate with a fixed value, and the total capacitance in the circuit is greatly adjusted by replacing the resonance plate; the capacitance of the trimming capacitor plates is smaller than that of the resonance plates, the total capacitance in the circuit is subjected to micro-amplitude adjustment by adjusting the distance between the trimming capacitor plates, the capacitance value of the trimming capacitor plates is reduced by setting the resonance plates with fixed value capacitance, and the accurate calibration of the angular frequency omega is achieved by reducing the adjustable range of the capacitance. The trimming capacitor plates are arranged at the upper end and the lower end of the resonance plate, so that the adjustable range between the two trimming capacitor plates is improved, and the limit of the working space to the trimming capacitor plates is reduced. Wherein the method comprises the steps ofWhen the capacitance C is stable, the inductance of the inductance coil is changed to adapt to the designated working frequency f, and the structural design can reduce the material selection requirement and the shape requirement of two trimming capacitor plates distributed at the upper end and the lower end of the resonance plate, wherein the trimming capacitor plates and the resonance plate are both circuit boards, and the processing technology of the capacitor is further reduced. The elastic gasket is further arranged between the single fine tuning capacitor plate and the resonance plate, and at least 2 fifth fasteners are arranged for arranging 1 fifth fastener, so that the elastic gasket is extruded to generate structural deformation when the fine tuning capacitor plate is displaced, and output detuning caused by the structural deformation of the fine tuning capacitor plate is further prevented. And an elastic gasket is further arranged between the single trimming capacitor plate and the resonance plate, and the elastic gasket enables the trimming capacitor plate to control the trimming capacitance through self deformation, so that structural deformation of the trimming capacitor plate and the resonance plate is avoided.
Drawings
FIG. 1 is a front view of a high frequency resonant applicator according to the present invention;
FIG. 2 is a perspective view of a high frequency resonant applicator according to the present invention;
FIG. 3 is an exploded view of a high frequency resonant applicator according to the present invention;
FIG. 4 is an exploded view of a high frequency resonant applicator according to the present invention;
FIG. 5 is an exploded view of a high frequency resonant applicator according to the present invention;
FIG. 6 is a schematic diagram of an inductor coil of a high frequency resonant applicator according to the present invention;
FIG. 7 is a schematic diagram of an inductor of a high frequency resonant applicator according to the present invention;
FIG. 8 is a front view of an inductor coil of a high frequency resonant applicator according to the present invention;
FIG. 9 is a perspective view of an inductor coil of a high frequency resonant applicator according to the present invention;
FIG. 10 is a schematic diagram of a parallel resonant circuit of a resonant applicator according to the present invention;
FIG. 11 is a schematic diagram of a resonant circuit of a series configuration of a high frequency resonant applicator in accordance with the present invention;
FIG. 12 is a front view of a high frequency resonant applicator according to the present invention;
FIG. 13 is a cross-sectional view taken at A-A of FIG. 12;
FIG. 14 is an enlarged view at B of FIG. 13;
FIG. 15 is an exploded view of a high frequency resonant applicator according to the present invention;
fig. 16 is an exploded view of a high frequency resonant applicator in accordance with the present invention.
Legend description:
1. a lower housing; 10. an upper opening; 2. an upper end cap; 3. a heat insulating plate; 41. an inductance coil; 410. a second through hole; 412. a bending section; 413. a connector; 42. a conductive sleeve; 431. a resonance plate; 432. trimming the capacitor plate; 441. a coil tap; 442. a first wire; 45. a support column; 5. a shielding plate; 611. a first fastener; 612. a second fastener; 613. a third fastener; 614. a fourth fastener; 62. a support shaft sleeve; 63. a fifth fastener; 64. an elastic washer; 7. a second wire; 8. a radio frequency connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be either fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-11, in one embodiment, a high-frequency resonant applicator includes an inductor 41 and a capacitor with adjustable capacitance, where the capacitor is disposed below the inductor 41, and the number of the inductor 41 is at least 1;
wherein both the inductor 41 and the capacitor are provided in the circuit; the inductance coil 41 and the capacitor in the present embodiment are connected in parallel in a circuit or the inductance coil 41 and the capacitor are connected in series in a circuit, the circuit in the present embodiment is a resonant circuit;
the capacitor includes a resonant plate 431 with a plurality of capacitors and a trimming capacitor plate 432 respectively arranged at the upper and lower ends of the resonant plate 431, wherein the capacitance of the trimming capacitor plate 432 is smaller than that of the resonant plate 431; in the embodiment, the trimming capacitor plates 432 are arranged at the upper end and the lower end of the resonant plate 431, so that the adjustable range between the two trimming capacitor plates 431 is improved, and the limitation of the working space on the trimming capacitor plates 431 is reduced;
wherein a second wire 7 is connected between the trimming capacitor plates 432 and the resonance plates 431, so that the trimming capacitor plates 432 and the resonance plates 431 are connected in parallel in the circuit, and the total capacitance in the circuit is adjusted in a small extent by changing the distance between the trimming capacitor plates 432.
The inductor 41 and the capacitor in this embodiment are connected in parallel or in series in the circuit, at resonanceOmega is angular frequency, L is inductance, C is capacitance,f is the operating frequency. Wherein the number of the inductance coils 41 is at least 1, when the inductance coils 41 and the capacitor are connected in parallel, the inductance of the inductance coils 41 is reduced, and the capacitance of the capacitor is increased for manufacturing the application device with larger radiation area; when the inductor 41 and the capacitor are connected in series, increasing the inductance of the inductor 41 reduces the capacitance of the capacitor for use in making smaller radiating area applicators while reducing the overall construction of the applicator. The capacitance of the resonant plate 431 and the trimming capacitor plate 432 connected in parallel in this embodiment is C; the resonant plate 431 corresponds to a capacitor plate with a fixed value, and the total capacitance in the circuit is greatly adjusted by replacing the resonant plate 431; the capacitance of the trimming capacitor plates 432 is smaller than that of the resonant plates 431, the total capacitance in the circuit is slightly adjusted by adjusting the distance between the trimming capacitor plates 432, the capacitance value of the trimming capacitor plates 432 is reduced by setting the resonant plates 431 with fixed value capacitance, and the accurate calibration of the angular frequency omega is achieved by reducing the adjustable range of the capacitance. Wherein the method comprises the steps ofWhen the capacitance C is stable, the inductance of the inductor 41 is changed to adapt to the designated working frequency f, so that the material selection requirement and the shape requirement of the two trimming capacitor plates 432 distributed at the upper end and the lower end of the resonant plate 431 can be reduced, the total capacitance can be greatly adjusted only by replacing the resonant plate 431, and the shape of the inductor 41 can be shaped.
Example two
Referring to fig. 1-11, the first difference between the present embodiment and the embodiment is that the trimming capacitor plate 432 is one of a circular plate-like structure, a rectangular plate-like structure, a regular polygon plate-like structure, and a fan-like plate-like structure;
the trimming capacitor plates 432 are PCB boards, wherein two trimming capacitor plates 432 form a trimming capacitor in the resonant circuit, and the accurate calibration of the diagonal frequency ω is achieved by changing the distance between the trimming capacitor plates 432;
the resonant plate 431 is one of a circular plate-shaped structure, a rectangular plate-shaped structure, a regular polygon plate-shaped structure and a fan-shaped plate-shaped structure;
the resonant plate 431 is a PCBA plate, so that the production cost and the processing technology of the resonant plate 431 and the trimming capacitor plate 432 are reduced;
the inductance coil 41 is one of a copper columnar structure, a copper tubular structure and a strip copper strip structure, and the inductance coil 41 is one of a square inductance coil, an arc inductance coil and a wing-shaped bending inductance coil;
the second lead 7 is a copper belt, so that the second lead 7 has excellent conductivity;
a radio frequency connector 8 is installed below the resonant plate 431.
In this embodiment, the trimming capacitor plate 432 and the resonance plate 431 made of PCBA plates can reduce the production cost and the difficulty of the processing technology, and the trimming capacitor plate 432 and the resonance plate 431 are connected in parallel through the copper strips.
Example III
Referring to fig. 1 to 11, the present embodiment is different from the above embodiments in that at least 2 fifth fasteners 63 are connected between two trimming capacitor plates 432, and the distance between the trimming capacitor plates 432 is adjustable by providing at least 2 fifth fasteners 63, wherein deformation of the trimming capacitor plates 432 can be prevented by increasing the number of the fifth fasteners 63;
when the number of the fifth fasteners 63 is 2, the 2 fifth fasteners 63 are symmetrically disposed; when the number of the fifth fasteners 63 is 3, the 3 fifth fasteners 63 are arranged in a circumferential array or a linear array; when the number of the fifth fasteners 63 is 4, the 4 fifth fasteners 63 enclose a square or diamond; when the number of the fifth fasteners 63 is not less than 5, the fifth fasteners 63 enclose a regular polygon;
wherein an elastic gasket 64 is further disposed between the single trimming capacitor plate 432 and the resonance plate 431, that is, both ends of the resonance plate 431 are provided with the elastic gasket 64, and the elastic gasket 64 is disposed between the trimming capacitor plate 432 and the resonance plate 431; the elastic gasket 64 is arranged, so that deformation phenomenon can not occur when the trimming capacitor plates 432 are displaced, and the distance between the two trimming capacitor plates 432 can be controlled for trimming; the elastic washer 64 in the present embodiment is a nitrile rubber ring, which prevents the trimming capacitor plate 432 and the resonance plate 431 from structural deformation;
the fifth fastening member 63 includes a fastening bolt and a nut, wherein the fastening bolt and the nut are assembled in two manners, one manner is that the fastening bolt penetrates through the 2 trimming capacitor plates 432, the resonant plate 431 and the elastic washer 64, and the nut is installed to enable the interval between the 2 trimming capacitor plates 432 to be adjustable; the other is that one end of the fastening bolt sequentially penetrates through the nut, the trimming capacitor plate 432 and the resonant plate 431, and the end of the fastening bolt is fixed on the other trimming capacitor plate 432, and the interval between the 2 trimming capacitor plates 432 is adjustable by rotating the nut.
In this embodiment, an elastic washer 64 is further disposed between the single trimming capacitor plate 432 and the resonance plate 431, and at least 2 fifth fasteners 63 are disposed for preventing the elastic washer 64 from being deformed due to extrusion when the trimming capacitor plate 432 is displaced relative to the arrangement of 1 fifth fastener 63, and only 1 fifth fastener 63 is disposed on the trimming capacitor plate 432 to easily cause edge tilting of the trimming capacitor plate 432, thereby affecting the service life of the trimming capacitor plate 432 and the trimming accuracy of the capacitance. In this embodiment, the structural stability of the trimming capacitor plate 432 and the accuracy of trimming capacitance can be ensured by increasing the number of the fifth fasteners 63, and the structural influence of the temperature rise of the inductor 41 on the trimming capacitor plate 432 is also reduced. The elastomeric grommet 64 in this embodiment is preferably a nitrile rubber grommet.
Example IV
Referring to fig. 1-11, the third difference between the present embodiment and the third embodiment is that the inductor 41 is connected to the tap 441, and one end of the tap 441 is fixed to the resonant plate 431;
both ends of the inductance coil 41 are provided with connectors 413, and the connectors 413 and the inductance coil 41 are of an integrated structure;
a bending section 412 is also connected between the connector 413 and the inductance coil 41;
the lower end of the connector 413 is abutted with a conductive sleeve 42, wherein one end of the conductive sleeve 42 penetrates through the heat insulation plate 3, and the end of the conductive sleeve 42 is abutted on the resonant plate 431;
a second fastening piece 612 is arranged above the connecting head 413, and a third fastening piece 613 is arranged below the resonant plate 431, wherein the second fastening piece 612 and the third fastening piece 613 are fastening studs or fastening screws;
the side wall of the inductance coil 41 is also provided with at least 1 support column 45, wherein the support column 45 is provided with a fourth fastening piece 614, and the fourth fastening piece 614 penetrates through the inductance coil 41 and is fixed on the support column 45; wherein the fourth fastener 614 is a fastening stud or a fastening screw;
the lower ends of the support columns 45 are arranged on the heat insulation plate 3, and the upper ends of the support columns 45 are provided with shielding plates 5;
a plurality of support shaft sleeves 62 are arranged right below the support columns 45, the support shaft sleeves 62 are arranged between the heat insulation plate 3 and the resonance plate 431, and the support shaft sleeves 62 are arranged between the connector 413 and the shielding plate 5; in the embodiment, the supporting shaft sleeve 62 is arranged to enable the shielding plate 5 and the resonant plate 431 to be far away from the heat insulation plate 3, wherein the shielding plate 5 in the embodiment is used for reinforcing the supporting columns 45 to prevent the supporting columns 45 from inclining;
wherein a first wire 442 and a first fastener 611 are installed above the shielding plate 5, wherein the other end of the first wire 442 is installed below the heat insulation plate 3; wherein the first fastener 611 penetrates the first wire 442 and the shielding plate 5, and is fixed in the support column 45; wherein the shielding plate 5 is one of a circular plate-shaped structure, a rectangular plate-shaped structure, a regular polygon plate-shaped structure and an annular plate-shaped structure;
the first fastening piece 611 is a fastening stud or a fastening screw;
a third fastening piece 613 is further arranged right below the support column 45, the third fastening piece 613 is arranged below the resonant plate 431, and the third fastening piece 613 penetrates through the resonant plate 431 and is mounted on the support shaft sleeve 62; in the present embodiment, the structural firmness of the inductor 41 and the shielding plate 5 is improved by providing the support columns 45 and the conductive bushings 42 on the heat insulating plate 3, and the resonant plate 431 is firmly arranged below the heat insulating plate 3 by installing the support bushings 62 between the heat insulating plate 3 and the resonant plate 431. The first conductive line 442 in this embodiment is used for grounding.
The support column 45 is arranged above the heat insulation plate 3 in the embodiment, wherein a fourth fastener 614 for fixing the inductance coil 41 is further installed on the support column 45, so that the inductance coil 41 is fixed at a specified position, wherein each section of inductance coil 41 is provided with at least 1 support shaft sleeve 62, the connector 413 is horizontally arranged by arranging the support shaft sleeve 62 between the connector 413 and the shielding plate 5, and the connector 413 is positioned on the center point of the inductance coil 41, so that the inductance coils 41 can be uniformly produced in batch; wherein the connection head 413 is connected to the resonance plate 431 via the conductive sleeve 42 and forms a resonance circuit.
Example five
Referring to fig. 1-16, the fourth difference between the present embodiment and the fourth embodiment is that the inductor 41 is of a copper strip structure, and a second through hole 410 is provided on the inductor 41, wherein a fourth fastener 614 is installed in the second through hole 410, and the fourth fastener 614 penetrates through the coil tap 441 and is fixed on the inductor 41; the upper end of the coil tap 441 in the present embodiment is position-adjustable by deformation;
the first wire 442 and the coil tap 441 are made of copper strips, so that the first wire 442 and the coil tap 441 have excellent conductivity;
the supporting shaft sleeve 62 is of a penetrating structure or a single-channel structure, and when the supporting shaft sleeve 62 is of a penetrating structure, the third fastening piece 613 sequentially penetrates through the resonant plate 431, the supporting shaft sleeve 62, the first conducting wire 442 and the heat insulation plate 3 and is fixed at the lower end of the supporting column 45; when the support shaft sleeve 62 has a single-channel structure, one end of the support shaft sleeve 62 penetrates the first wire 442 and the heat insulation board 3 and is fixed to the lower end of the support column 45, and the other end of the support shaft sleeve 62 is mounted with a third fastener 613 penetrating the resonance board 431.
Example six
Referring to fig. 1 to 16, the difference between the implementation and the above embodiment is that the heat insulation board 3 is disposed between the inductance coil 41 and the capacitor, and the heat insulation board 3 is one of a ring-shaped plate structure, a circular plate structure, a rectangular plate structure, and a regular polygon plate structure; the inductance coil 4 and the capacitor are layered by arranging the heat insulating plate 3 in the embodiment;
the heat insulation plate 3 is arranged in the lower shell 1, wherein an upper opening 10 is arranged above the lower shell 1;
wherein the size of the upper opening 10 is larger than that of the heat insulation plate 3, so that the heat insulation plate 3 is conveniently placed in the lower shell 1;
the upper end of the lower housing 1 is provided with an upper end cover 2, wherein an inductance coil 41 is arranged near the upper end cover 2.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present invention is not intended to be limiting, but rather, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (11)
1. A high frequency resonant applicator, characterized by: the capacitor with adjustable capacitance comprises an inductance coil (41) and a capacitor with adjustable capacitance, wherein the capacitor is arranged below the inductance coil (41), and the number of the inductance coils (41) is at least 1, and the inductance coil (41) and the capacitor are arranged in a circuit; the capacitor comprises a resonant plate (431) for mounting a plurality of capacitors and a trimming capacitor plate (432) respectively arranged at the upper end and the lower end of the resonant plate (431), wherein a second lead (7) is connected between the trimming capacitor plate (432) and the resonant plate (431), the trimming capacitor plate (432) and the resonant plate (431) are connected in parallel in the circuit, and the total capacitance in the circuit is adjusted in a small range by changing the distance between the trimming capacitor plates (432); the capacitance of the trimming capacitor plate (432) is smaller than that of the resonance plate (431).
2. The high frequency resonant applicator of claim 1, wherein: the fine tuning capacitor plates (432) are one of a circular plate-shaped structure, a rectangular plate-shaped structure, a regular polygon plate-shaped structure and a sector plate-shaped structure, the fine tuning capacitor plates (432) are PCB plates, and the accurate calibration of the diagonal frequency omega is realized by changing the distance between the fine tuning capacitor plates (432); the resonant board (431) is one of a circular plate-shaped structure, a rectangular plate-shaped structure, a regular polygon plate-shaped structure and a sector plate-shaped structure, the resonant board (431) is a PCBA board, and a radio frequency connector (8) is arranged below the resonant board (431); the inductance coil (41) is one of a copper columnar structure, a copper tubular structure and a strip copper strip structure, and the inductance coil (41) is one of a square inductance coil, an arc inductance coil and a wing-shaped bending inductance coil.
3. A high frequency resonant applicator as claimed in any one of claims 1 to 2 wherein: at least 2 fifth fasteners (63) are connected between the two trimming capacitor plates (432), and the distance between the trimming capacitor plates (432) is adjustable by arranging at least 2 fifth fasteners (63), wherein the trimming capacitor plates (432) can be prevented from being deformed by increasing the number of the fifth fasteners (63); when the number of the fifth fasteners (63) is 2, the 2 fifth fasteners (63) are symmetrically arranged; when the number of the fifth fasteners (63) is 3, the 3 fifth fasteners (63) are arranged in a circumferential array or a linear array; when the number of the fifth fasteners (63) is 4, the 4 fifth fasteners (63) enclose a square or a diamond; when the number of the fifth fastening pieces (63) is not less than 5, the fifth fastening pieces (63) enclose a regular polygon.
4. A high frequency resonant applicator as claimed in claim 3 wherein: an elastic gasket (64) is also arranged between the trimming capacitor plate (432) and the resonance plate (431).
5. The high frequency resonant applicator of claim 4, wherein: the elastic gasket (64) is a nitrile rubber ring; the fifth fastening piece (63) comprises a fastening bolt and a nut, wherein the fastening bolt and the nut are assembled in two modes, one mode is that the fastening bolt penetrates through 2 fine tuning capacitor plates (432), a resonant plate (431) and an elastic washer (64), and the nut is arranged to enable the interval between the 2 fine tuning capacitor plates (432) to be adjustable; the other is that one end of the fastening bolt sequentially penetrates through the nut, the trimming capacitor plate (432) and the resonance plate (431), and the end of the fastening bolt is fixed on the other trimming capacitor plate (432).
6. The high frequency resonant applicator of claim 5, wherein: the inductance coil (41) on connect coil tap (441), one end of coil tap (441) fix on resonant plate (431), wherein the both ends homogeneous type of inductance coil (41) is connected with connector (413), connector (413) and inductance coil (41) between still be connected with bending section (412).
7. The high frequency resonant applicator of claim 6, wherein: the inductance coil (41) is of a copper strip structure, a second through hole (410) is formed in the inductance coil (41), a fourth fastener (614) is arranged in the second through hole (410), the fourth fastener (614) penetrates through a coil tap (441) and is fixed on the inductance coil (41), and the upper end of the coil tap (441) can be subjected to position adjustment through deformation.
8. The high frequency resonant applicator of claim 7, wherein: the lower end of the connector (413) is abutted with a conductive sleeve (42), wherein one end of the conductive sleeve (42) penetrates through the heat insulation plate (3), and the end of the conductive sleeve (42) is abutted on the resonant plate (431); a second fastening piece (612) is arranged above the connector (413), and a third fastening piece (613) is arranged below the resonance plate (431); the side wall of the induction coil (41) is also provided with at least 1 support column (45), wherein the support column (45) is provided with a fourth fastener (614), and the fourth fastener (614) penetrates through the induction coil (41) and is fixed on the support column (45); the lower end of the support column (45) is arranged on the heat insulation plate (3), the upper end of the support column (45) is provided with the shielding plate (5), a plurality of support shaft sleeves (62) are arranged right below the support column (45), the support shaft sleeves (62) are arranged between the heat insulation plate (3) and the resonance plate (431), and the support shaft sleeves (62) are also arranged between the connector (413) and the shielding plate (5); wherein a first wire (442) and a first fastener (611) are arranged above the shielding plate (5), and the other end of the first wire (442) is arranged below the heat insulation plate (3); wherein the first fastener (611) penetrates the first wire (442) and the shielding plate (5) and is fixed in the support column (45); and a third fastener (613) is further arranged right below the support column (45), the third fastener (613) is arranged below the resonant plate (431), and the third fastener (613) penetrates through the resonant plate (431) and is arranged on the support shaft sleeve (62).
9. The high frequency resonant applicator of claim 8, wherein: the first fastener (611), the second fastener (612), the third fastener (613) and the fourth fastener (614) are respectively fastening studs or fastening screws.
10. The high frequency resonant applicator of claim 9, wherein: the first lead (442), the second lead (7) and the coil tap (441) are all copper strips; the supporting shaft sleeve (62) is of a penetrating structure or a single-channel structure, and when the supporting shaft sleeve (62) is of a penetrating structure, the third fastening piece (613) sequentially penetrates through the resonant plate (431), the supporting shaft sleeve (62), the first conducting wire (442) and the heat insulation plate (3) and is fixed at the lower end of the supporting column (45); when the supporting shaft sleeve (62) is of a single-channel structure, one end of the supporting shaft sleeve (62) penetrates through the first conducting wire (442) and the heat insulation plate (3) and is fixed at the lower end of the supporting column (45), and a third fastener (613) penetrating through the resonant plate (431) is arranged at the other end of the supporting shaft sleeve (62).
11. The high frequency resonant applicator of claim 10, wherein: the heat insulation board (3) is arranged between the inductance coil (41) and the capacitor, and the heat insulation board (3) is arranged in the lower shell (1), wherein an upper opening (10) is arranged above the lower shell (1), and the size of the upper opening (10) is larger than that of the heat insulation board (3), so that the heat insulation board (3) is convenient to be placed in the lower shell (1); an upper end cover (2) is arranged at the upper end of the lower shell (1), and an inductance coil (41) is arranged close to the upper end cover (2).
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| CN202311328915.0A CN117097262B (en) | 2023-10-16 | 2023-10-16 | High-frequency resonance applicator |
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| CN202311328915.0A CN117097262B (en) | 2023-10-16 | 2023-10-16 | High-frequency resonance applicator |
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|---|---|---|---|---|
| CN2136510Y (en) * | 1992-09-17 | 1993-06-16 | 浙江省龙游县教学仪器总厂 | Electric harmonic demonstrator |
| CN1260084A (en) * | 1997-06-11 | 2000-07-12 | 瓦里－L公司 | Continuously adjustable resonator |
| CN104104159A (en) * | 2014-06-30 | 2014-10-15 | 南昌大学 | Magnetic resonance coupling multi-load wireless charging platform with uniform magnetic field characteristic |
| CN114614769A (en) * | 2022-03-10 | 2022-06-10 | 哈工大机器人（合肥）国际创新研究院 | High-power radio frequency resonance generating device |
| CN219332958U (en) * | 2022-11-30 | 2023-07-14 | 苏州好博医疗器械股份有限公司 | Short wave treatment head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7113138B2 (en) * | 2002-04-13 | 2006-09-26 | Maurice Clifford Hately | Radio antennas |
-
2023
- 2023-10-16 CN CN202311328915.0A patent/CN117097262B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136510Y (en) * | 1992-09-17 | 1993-06-16 | 浙江省龙游县教学仪器总厂 | Electric harmonic demonstrator |
| CN1260084A (en) * | 1997-06-11 | 2000-07-12 | 瓦里－L公司 | Continuously adjustable resonator |
| CN104104159A (en) * | 2014-06-30 | 2014-10-15 | 南昌大学 | Magnetic resonance coupling multi-load wireless charging platform with uniform magnetic field characteristic |
| CN114614769A (en) * | 2022-03-10 | 2022-06-10 | 哈工大机器人（合肥）国际创新研究院 | High-power radio frequency resonance generating device |
| CN219332958U (en) * | 2022-11-30 | 2023-07-14 | 苏州好博医疗器械股份有限公司 | Short wave treatment head |
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| CN117097262A (en) | 2023-11-21 |
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Denomination of invention: A high-frequency resonant application device Granted publication date: 20240130 Pledgee: Bank of Communications Ltd. Taicang branch Pledgor: Suzhou Bochuang Medical Instrument Co.,Ltd. Registration number: Y2024980031599 |