CN203367456U - Microwave high-power broadband coaxial dry-type load device - Google Patents
Microwave high-power broadband coaxial dry-type load device Download PDFInfo
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- CN203367456U CN203367456U CN 201320384102 CN201320384102U CN203367456U CN 203367456 U CN203367456 U CN 203367456U CN 201320384102 CN201320384102 CN 201320384102 CN 201320384102 U CN201320384102 U CN 201320384102U CN 203367456 U CN203367456 U CN 203367456U
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Abstract
The utility model relates to a microwave high-power broadband coaxial dry-type load device provided with an inner conductor and an outer conductor, wherein the inner conductor and the outer conductor are coaxial. A dry-type absorbing load is arranged between the outer wall of the inner conductor and the inner wall of the outer conductor. An inclined split hole is formed in the center of an inner cavity of the absorbing load. The inner conductor protrudes into the inclined split hole of the absorbing load partly. The absorbing load is made of silicon carbide material. The outer diameter of the absorbing load is equal to the diameter of a straight-form empty cavity. The diameter of the rear end part of the inclined split hole is equal to the diameter of a corresponding part of the inner conductor. The diameter of the front end part of the inclined split hole is larger than the diameter of the corresponding part of the inner conductor. According to the utility model, the dry-type absorbing load is adopted, so that the micro high-power broadband coaxial dry-type load device is small in size, simple in system structure and engineering application inconvenience caused by liquid leakage is eliminated. Power bearing capacitor of the absorbing load is improved and contact area of the absorbing load and radiating fins is increased.
Description
Technical field
The utility model relates to a kind of microwave high power broadband coaxial dry type load device.
Background technology
For a long time, mostly the microwave high power coaxial load is that Yi Shui, oil are absorbing medium, by electric pump, makes liquid medium flow and takes away absorbed heat energy, completes the function that absorption, heat radiation, liquid-circulating to radio frequency and microwave frequency band high-power signal are used.Be traditionally high power load or high-power terminal part.
Drive operation because the liquid absorption medium needs electric pump, the flow duct of liquid medium must adopt non-conductive electromagnetic wave transparent material, so that in the microwave high power cavity, allows microwave signal see through pipeline and is absorbed by liquid medium.Also need storage box, the radiator of liquid medium to complete whole microwave energies is converted to heat energy and is dispelled the heat, the function that makes liquid medium recycle simultaneously.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, little, the antileakaging microwave high power broadband coaxial of a kind of volume dry type load device is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of microwave high power broadband coaxial dry type load device, there is coaxial inner conductor, coaxial outer conductor, be separated with the Dry absorption load between between the outer wall of described coaxial inner conductor and the inwall of coaxial outer conductor, the lumen centers of described absorbing load is formed with that diameter from front to back diminishes gradually tiltedly splits hole, and the part of described coaxial inner conductor stretches into tiltedly splitting in hole of absorbing load.
Further, described absorbing load outer wall is tubulose, and described absorbing load is carbofrax material.
Further, the straight type cavity that the inner chamber of described coaxial outer conductor comprises the conical cavity that is positioned at front end and is positioned at rear end, described absorbing load is positioned at the straight type cavity of coaxial outer conductor, the external diameter of described absorbing load is identical with the diameter of straight type cavity, the described diameter of tiltedly splitting end, rear end, hole is identical with the diameter of coaxial inner conductor correspondence position, and the described diameter of tiltedly splitting front end end, hole is greater than the diameter of coaxial inner conductor correspondence position.
Further, the rear end of described coaxial inner conductor is connected with end cap, and described end cap is fixedly connected with coaxial outer conductor.
Further, described coaxial outer conductor outer wall has fin.
Further, described coaxial inner conductor has the conical section that is positioned at front end and the straight type section that is positioned at rear end, the conical section front end of described coaxial inner conductor has the end of dwindling, described microwave high power broadband coaxial dry type load device has coaxial fitting, described coaxial fitting has the coaxial fitting outer conductor, the coaxial fitting inner wire, the end that dwindles of described coaxial inner conductor is connected with the coaxial fitting inner wire, described coaxial outer conductor is fixedly connected with by screw with the coaxial fitting outer conductor, described coaxial inner conductor is by insulator and coaxial fitting outer conductor, the coaxial outer conductor insulation connects.
Further, the diameter of the straight type section of described coaxial inner conductor is greater than the external diameter of coaxial fitting inner wire, and the diameter of the straight type cavity of coaxial outer conductor is greater than the internal diameter of coaxial fitting outer conductor.
Further, the front end of described coaxial outer conductor is equipped with valve, and described valve communicates with the conical cavity of coaxial outer conductor.
The beneficial effects of the utility model are: the utility model adopts the Dry absorption load, solves to using the inconvenience of liquid medium as the system complex that absorbing load was had of high-power coaxial system microwave energy, volume is large, leak of liquid was caused engineering application; Solve the limited problem of upper frequency limit of resistor-type load simultaneously.The utility model, in the contact area of coaxial fitting rear portion access coaxial inner conductor, coaxial outer conductor, Dry absorption load, increasing absorbing load and fin, improves the upper frequency limit of high-power absorbing load, the power bearing ability of raising absorbing load.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Wherein: 1. coaxial inner conductor, 2. absorbing load, 21. tiltedly split hole, 3. end cap, 4. coaxial outer conductor, 41. fin, 5. valve, 6. coaxial fitting outer conductor, 7. coaxial fitting inner wire, 9. insulator.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of microwave high power broadband coaxial dry type load device, there is coaxial inner conductor 1, coaxial outer conductor 4, be separated with Dry absorption load 2 between between the inwall of the outer wall of coaxial inner conductor 1 and coaxial outer conductor 4, the lumen centers of absorbing load 2 is formed with that diameter from front to back diminishes gradually tiltedly splits hole 21, and the part of coaxial inner conductor 1 stretches into tiltedly splitting in hole 21 of absorbing load 2.
Coaxial inner conductor 1 has the conical section that is positioned at front end and the straight type section that is positioned at rear end, the conical section front end of coaxial inner conductor 1 has the end of dwindling, microwave high power broadband coaxial dry type load device has coaxial fitting, coaxial fitting has coaxial fitting outer conductor 6, coaxial fitting inner wire 7, the end that dwindles of coaxial inner conductor 1 is connected with coaxial fitting inner wire 7, coaxial outer conductor 4 is fixedly connected with by screw with coaxial fitting outer conductor 6, and coaxial inner conductor 1 is connected with coaxial fitting outer conductor 6, coaxial outer conductor 4 insulation by insulator 9.
The straight type cavity that the inner chamber of coaxial outer conductor 4 comprises the conical cavity that is positioned at front end and is positioned at rear end, absorbing load 2 is positioned at the straight type cavity of coaxial outer conductor 4, the external diameter of absorbing load 2 is identical with the diameter of straight type cavity, the diameter of tiltedly splitting 21 ends, rear end, hole and coaxial inner conductor 1 correspondence position are that the diameter of straight type section is identical, it is the diameter of straight type section that the diameter of tiltedly splitting 21 front end ends, hole is greater than coaxial inner conductor 1 correspondence position, improves heat-sinking capability.Absorbing load 2 has larger contact area with coaxial outer conductor 4.
Coaxial outer conductor 4 front ends are equipped with valve 5, and valve 5 communicates with the conical cavity of coaxial outer conductor 4.
The diameter of tiltedly splitting 21 front end ends, hole is greater than the diameter of coaxial inner conductor 1 correspondence position, control and tiltedly split the size of space between 21 front end ends, hole and coaxial inner conductor 1 correspondence position, guarantee that the thermal energy that absorbing load 2 is not changed by initial absorption burns out, tiltedly split the structural design in hole 21 when keeping the Microwave Impedance coupling, the temperature gradient also absorbing load 2 produced the absorption of microwave energy plays impact, makes absorbing load 2 absorb Temperature Distribution as far as possible evenly longitudinally.
The rear end of coaxial inner conductor 1 is connected with end cap 3, and end cap 3 is fixedly connected with coaxial outer conductor 4.Coaxial outer conductor 4 outer walls have fin 41 for dispelling the heat to the external world.
The diameter of the straight type section of coaxial inner conductor 1 is greater than the external diameter of coaxial fitting inner wire 7, and the diameter of the straight type cavity of coaxial outer conductor 4 is greater than the internal diameter of coaxial fitting outer conductor 6, further improves the power bearing ability of absorbing load 2.
The utility model belongs to the electronic information technology application, directly apply to the absorption of the high-power energy in radio frequency and microwave frequency band coaxial transmission system, as the dummy load of high-power signal in radar and communication equipment, the isolation load in the isolator circulator, the matched load in high-power measuring equipment etc.And the occasion that need to be absorbed high-power RF and microwave energy.
The utility model is abandoned the conversion medium of liquid medium as microwave energy and heat energy, directly employing is resistant to elevated temperatures has the carbofrax material of absorption as absorbing medium to microwave energy, to absorb the thermal energy conduction that microwave changes and dispel the heat away by air by coaxial inner conductor, coaxial outer conductor again, complete the absorption to the high-power energy of radio frequency or microwave frequency band, play the function of high-power matched load.
The utility model adopts the Dry absorption load, solves to using the inconvenience of liquid medium as the system complex that absorbing load was had of high-power coaxial system microwave energy, volume is large, leak of liquid was caused engineering application.
The utility model, with respect to traditional water or the oily technical scheme as absorbing medium, has the inconvenience of the engineering application that volume is little, system simple and do not have leak of liquid to cause.
The utility model, with respect to traditional resistor type dry type load, has the technical advantage that larger power bearing ability and applying frequency are higher.
The power bearing ability of application the utility model designing high-power coaxial matched load, high-power coaxial absorbing load, at radiating condition in good environment, can be up to 5000W.Or under the auxiliary cooling condition of air-cooled, water-cooled, can be up to 50000W.
Coaxial fitting in the utility model can be the coaxial fitting of national standard.The utility model is a single port microwave terminal device, can offer help or application product is provided for design, the application of radio frequency or the high-power dry type load of microwave frequency band.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to the claim scope.
Claims (8)
1. a microwave high power broadband coaxial dry type load device, it is characterized in that: there is coaxial inner conductor (1), coaxial outer conductor (4), be separated with Dry absorption load (2) between between the inwall of the outer wall of described coaxial inner conductor (1) and coaxial outer conductor (4), the lumen centers of described absorbing load (2) is formed with that diameter from front to back diminishes gradually tiltedly splits hole (21), and the part of described coaxial inner conductor (1) stretches into tiltedly splitting in hole (21) of absorbing load (2).
2. a kind of microwave high power broadband coaxial dry type load device according to claim 1, it is characterized in that: described absorbing load (2) outer wall is tubulose, and described absorbing load (2) is carbofrax material.
3. a kind of microwave high power broadband coaxial dry type load device according to claim 1, it is characterized in that: the straight type cavity that the inner chamber of described coaxial outer conductor (4) comprises the conical cavity that is positioned at front end and is positioned at rear end, described absorbing load (2) is positioned at the straight type cavity of coaxial outer conductor (4), the external diameter of described absorbing load (2) is identical with the diameter of straight type cavity, the described diameter of tiltedly splitting end, rear end, hole (21) is identical with the diameter of coaxial inner conductor (1) correspondence position, the described diameter of tiltedly splitting front end end, hole (21) is greater than the diameter of coaxial inner conductor (1) correspondence position.
4. a kind of microwave high power broadband coaxial dry type load device according to claim 1, it is characterized in that: the rear end of described coaxial inner conductor (1) is connected with end cap (3), and described end cap (3) is fixedly connected with coaxial outer conductor (4).
5. a kind of microwave high power broadband coaxial dry type load device according to claim 1, it is characterized in that: described coaxial outer conductor (4) outer wall has fin (41).
6. a kind of microwave high power broadband coaxial dry type load device according to claim 1, it is characterized in that: described coaxial inner conductor (1) has the conical section that is positioned at front end and the straight type section that is positioned at rear end, the conical section front end of described coaxial inner conductor (1) has the end of dwindling, described microwave high power broadband coaxial dry type load device has coaxial fitting, described coaxial fitting has coaxial fitting outer conductor (6), coaxial fitting inner wire (7), the end that dwindles of described coaxial inner conductor (1) is connected with coaxial fitting inner wire (7), described coaxial outer conductor (4) is fixedly connected with by screw with coaxial fitting outer conductor (6), described coaxial inner conductor (1) is by insulator (9) and coaxial fitting outer conductor (6), coaxial outer conductor (4) insulation connects.
7. a kind of microwave high power broadband coaxial dry type load device according to claim 6, it is characterized in that: the diameter of the straight type section of described coaxial inner conductor (1) is greater than the external diameter of coaxial fitting inner wire (7), and the diameter of the straight type cavity of coaxial outer conductor (4) is greater than the internal diameter of coaxial fitting outer conductor (6).
8. a kind of microwave high power broadband coaxial dry type load device according to claim 3, it is characterized in that: the front end of described coaxial outer conductor (4) is equipped with valve (5), and described valve (5) communicates with the conical cavity of coaxial outer conductor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320384102 CN203367456U (en) | 2013-07-01 | 2013-07-01 | Microwave high-power broadband coaxial dry-type load device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320384102 CN203367456U (en) | 2013-07-01 | 2013-07-01 | Microwave high-power broadband coaxial dry-type load device |
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| CN203367456U true CN203367456U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320384102 Expired - Fee Related CN203367456U (en) | 2013-07-01 | 2013-07-01 | Microwave high-power broadband coaxial dry-type load device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979693A (en) * | 2016-06-12 | 2016-09-28 | 浙江大学 | High-power microwave plasma generation device |
| CN107017595A (en) * | 2016-01-28 | 2017-08-04 | 黄通 | Radiating refractory busbar in a kind of |
| CN107240742A (en) * | 2017-06-20 | 2017-10-10 | 电子科技大学 | A kind of Novel spiral guide structure high power water load |
| CN107546449A (en) * | 2017-08-18 | 2018-01-05 | 电子科技大学 | A kind of novel high-power microwave and millimeter wave Wind-cooling type conical structure absorbs dry load |
| CN108110391A (en) * | 2016-12-14 | 2018-06-01 | 北京无线电计量测试研究所 | It is a kind of be used in high-power calorimeter coaxial water load |
| CN111366789A (en) * | 2020-03-27 | 2020-07-03 | 青岛兴仪电子设备有限责任公司 | Coaxial line device for testing dielectric constant of material |
-
2013
- 2013-07-01 CN CN 201320384102 patent/CN203367456U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017595A (en) * | 2016-01-28 | 2017-08-04 | 黄通 | Radiating refractory busbar in a kind of |
| CN105979693A (en) * | 2016-06-12 | 2016-09-28 | 浙江大学 | High-power microwave plasma generation device |
| CN108110391A (en) * | 2016-12-14 | 2018-06-01 | 北京无线电计量测试研究所 | It is a kind of be used in high-power calorimeter coaxial water load |
| CN107240742A (en) * | 2017-06-20 | 2017-10-10 | 电子科技大学 | A kind of Novel spiral guide structure high power water load |
| CN107240742B (en) * | 2017-06-20 | 2019-11-05 | 电子科技大学 | A kind of spiral stream guidance structure high power water load |
| CN107546449A (en) * | 2017-08-18 | 2018-01-05 | 电子科技大学 | A kind of novel high-power microwave and millimeter wave Wind-cooling type conical structure absorbs dry load |
| CN107546449B (en) * | 2017-08-18 | 2020-09-25 | 电子科技大学 | Novel high-power microwave millimeter wave air-cooled cone structure absorption dry load |
| CN111366789A (en) * | 2020-03-27 | 2020-07-03 | 青岛兴仪电子设备有限责任公司 | Coaxial line device for testing dielectric constant of material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140701 |
|
| EXPY | Termination of patent right or utility model |