CN201586331U - 433 MHZ microwave radiator based on ridge capacitor loading - Google Patents
433 MHZ microwave radiator based on ridge capacitor loading Download PDFInfo
- Publication number
- CN201586331U CN201586331U CN2009200433727U CN200920043372U CN201586331U CN 201586331 U CN201586331 U CN 201586331U CN 2009200433727 U CN2009200433727 U CN 2009200433727U CN 200920043372 U CN200920043372 U CN 200920043372U CN 201586331 U CN201586331 U CN 201586331U
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- ridge
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- waveguide
- microwave
- electric capacity
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Abstract
The utility model relates to a microwave radiator for microwave therapy to human tissues, particularly relates to a 433 MHZ microwave radiator based on ridge capacitor loading, and belongs to the technical field of microwave therapy. The radiator comprises a casing, wherein the casing is connected with a coaxial cable, the front end of the coaxial cable serves as an excitation end and is positioned in the casing, one end of the casing is connected with a radiating end, a transmission section is formed between the excitation end inside the casing and the radiating end, and a ridge capacitor is mounted on the transmission section inside the casing. The utility model adopts a built-in U-shaped or inverted U-shaped frame-type ridge capacitor for loading, the overall appearance of a rectangular waveguide remains unchanged, and the end surface of the waveguide still adopts a standard rectangle. A high quality radiator with uniformly distributed thermal fields and low standing waves can be obtained by adjusting the height and the length of the ridge capacitor as well as the distance between the excitation end and the radiating end. The caliber of the waveguide is reduced from the standard size to one third of that of the original consecutively.
Description
Technical field
This utility model relates to a kind of microwave radiometer that is used for the tissue microwave heat therapeutic, especially relates to a kind of 433MHz microwave radiometer based on ridge electric capacity, belongs to the microwave physical therapy technical field.
Background technology
In the microwave physical therapy technical field, be used for the microwave radiometer of tissue microwave heat therapeutic at present, concerning the 433MHz operating frequency, the hollow rectangle waveguide standard is of a size of 454 * 272, and hollow circular waveguide dimensions is about 460.So big caliber size clinical practice obviously is inconvenient, therefore need dwindle the caliber size of waveguide radiator.At present, being used for the 433MHz ridge capacitive load rectangular waveguide irradiator of tissue thermotherapy abroad, or adopting single ridge to load, or adopt two ridges to load, all is that rectangular waveguide end face integral body is changed into
Shape (single ridge) or
Shape (two ridge).By increasing the cut-off frequency that distribution capacity (ridge electric capacity) reduces waveguide.Loading capacitance is big more, and cut-off frequency is low more.Adopt ridge capacitive load method, the waveguide bore at most generally can narrow down to original 3 times.But,, when every pair of parameter is adjusted in the debug process, just need a collection of satisfactory waveguide housing sample for traditional ridge capacitive load.Especially when debugging the irradiator of different designs caliber size, more need the complete waveguide housing sample of all size, size.Because the waveguide housing need adopt non-ferrous metal to make, and the dimensional accuracy of sample, morpheme error, surface quality have relatively high expectations, and therefore design, fabrication cycle are long, and debugging complexity, expense are expensive.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art part, a kind of 433MHz microwave radiometer based on the ridge capacitive load is provided, this irradiator comprises housing, housing links to each other with coaxial cable, the front end of coaxial cable is positioned at housing for the excitation end, one end of housing is connected with spoke side, is span line between intravital excitation end of shell and the spoke side, and the enclosure interior span line is equipped with ridge electric capacity.This utility model has adopted built-in
Shape or
Shape frame-type ridge electric capacity loads, and the monnolithic case of rectangular waveguide remains unchanged, and the end face of waveguide still is a standard rectangular.Height by adjusting ridge electric capacity and length and and excitation end, spoke side between distance, can obtain the high-quality irradiator that thermal field is evenly distributed, standing wave is little.The waveguide bore can narrow down to original 3 times continuously from standard size.
This utility model is realized with following technical scheme: a kind of 433MHz microwave radiometer based on the ridge capacitive load, this irradiator comprises housing, housing links to each other with coaxial cable, it is characterized in that: the front end of coaxial cable is positioned at housing for the excitation end, one end of housing is connected with spoke side, between intravital excitation end of shell and the spoke side is span line, and the enclosure interior span line is equipped with ridge electric capacity.
Described ridge electric capacity is built-in
Shape or
Shape frame-type ridge electric capacity.
The utility model has the advantages that: this microwave radiometer manufacturing process is simple, can be according to different clinical practice needs, by adopting the ridge electric capacity of differing heights, length, adopt the distance between different and excitation end, the spoke side, regulate the bore of irradiator easily, thermal field is evenly distributed, standing wave is little, has overcome the shortcoming of traditional ridge capacitive load waveguide radiator.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail:
Fig. 1 is that this utility model is built-in
Shape frame-type ridge electric capacity microwave radiometer structural representation:
Fig. 2 is that this utility model is built-in
Shape frame-type ridge electric capacity microwave radiometer structural representation:
Among the figure: 1, excitation end, 2, span line, 3, ridge electric capacity, 4, spoke side.
The specific embodiment
As shown in the figure: a kind of 433MHz microwave radiometer based on the ridge capacitive load, this irradiator comprises housing, housing links to each other with coaxial cable, the front end of coaxial cable is positioned at housing for excitation end 1, one end of housing is connected with spoke side 4, between intravital excitation end 1 of shell and the spoke side 4 is span line 2, and the enclosure interior span line is equipped with ridge electric capacity 3.
Described ridge electric capacity 3 is built-in
Shape or
Shape frame-type ridge electric capacity.
Work process: the microwave energy by the coaxial line feed-in has encouraged microwave energy in waveguide after 1 conversion of excitation end, back by spoke side 4 outside Radiation Human somas by waveguide section 2.3 pairs of microwave energys of ridge electric capacity load, and play the effect of dwindling waveguide section sectional dimension.By adopting the ridge electric capacity of differing heights, length, adopt different and excitation is held, the distance between the spoke side, can regulate the bore of irradiator easily.Owing to adopted novel ridge capacitance structure, make the manufacturing of irradiator, testing and measuring technology very easy, more easily obtain the high-quality irradiator that thermal field is evenly distributed, standing wave is little.
Select the frame-type ridge capacitive load of differing heights, length for use, the waveguide bore can dwindle 1～3 times continuously.
Claims (2)
1. 433MHz microwave radiometer based on the ridge capacitive load, this irradiator comprises housing, housing links to each other with coaxial cable, it is characterized in that: the front end of coaxial cable is positioned at housing for excitation end (1), one end of housing is connected with spoke side (4), be span line (2) between intravital excitation end of shell (1) and the spoke side (4), the enclosure interior span line is equipped with ridge electric capacity (3).
2. a kind of 433MHz microwave radiometer based on the ridge capacitive load according to claim 1 is characterized in that: described ridge electric capacity (3) is for built-in
Shape or
Shape frame-type ridge electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200433727U CN201586331U (en) | 2009-07-10 | 2009-07-10 | 433 MHZ microwave radiator based on ridge capacitor loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200433727U CN201586331U (en) | 2009-07-10 | 2009-07-10 | 433 MHZ microwave radiator based on ridge capacitor loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586331U true CN201586331U (en) | 2010-09-22 |
Family
ID=42746097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200433727U Expired - Fee Related CN201586331U (en) | 2009-07-10 | 2009-07-10 | 433 MHZ microwave radiator based on ridge capacitor loading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586331U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247655A (en) * | 2011-06-30 | 2011-11-23 | 徐州市诺万医疗设备有限公司 | Energy accumulating rectangular waveguide radiator set |
| CN102895739A (en) * | 2012-11-02 | 2013-01-30 | 徐州市诺万医疗设备有限公司 | Large-caliber series self-converging tissue lens focusing radiator |
| CN104906692A (en) * | 2015-05-15 | 2015-09-16 | 徐州市诺万医疗设备有限公司 | Critical type 433MHz rectangular waveguide radiator |
| CN111921094A (en) * | 2020-08-13 | 2020-11-13 | 西安量极医疗设备有限公司 | Microwave physiotherapy radiator with rectangular cavity |
| CN111991701A (en) * | 2020-09-08 | 2020-11-27 | 江苏诺万医疗设备有限公司 | Four-quadrant loading 433MHz circular waveguide radiator |
-
2009
- 2009-07-10 CN CN2009200433727U patent/CN201586331U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247655A (en) * | 2011-06-30 | 2011-11-23 | 徐州市诺万医疗设备有限公司 | Energy accumulating rectangular waveguide radiator set |
| CN102247655B (en) * | 2011-06-30 | 2013-11-13 | 徐州市诺万医疗设备有限公司 | Energy accumulating rectangular waveguide radiator set |
| CN102895739A (en) * | 2012-11-02 | 2013-01-30 | 徐州市诺万医疗设备有限公司 | Large-caliber series self-converging tissue lens focusing radiator |
| CN102895739B (en) * | 2012-11-02 | 2015-05-27 | 徐州市诺万医疗设备有限公司 | Large-caliber series self-converging tissue lens focusing radiator |
| CN104906692A (en) * | 2015-05-15 | 2015-09-16 | 徐州市诺万医疗设备有限公司 | Critical type 433MHz rectangular waveguide radiator |
| CN104906692B (en) * | 2015-05-15 | 2017-09-19 | 徐州市诺万医疗设备有限公司 | A kind of critical type 433MHz rectangular waveguide radiators |
| CN111921094A (en) * | 2020-08-13 | 2020-11-13 | 西安量极医疗设备有限公司 | Microwave physiotherapy radiator with rectangular cavity |
| CN111991701A (en) * | 2020-09-08 | 2020-11-27 | 江苏诺万医疗设备有限公司 | Four-quadrant loading 433MHz circular waveguide radiator |
| CN111991701B (en) * | 2020-09-08 | 2022-07-26 | 江苏诺万医疗设备有限公司 | Four-quadrant loading 433MHz circular waveguide radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20130710 |