CN108879052A - A kind of liquid waveguide adjustable attenuator - Google Patents
A kind of liquid waveguide adjustable attenuator Download PDFInfo
- Publication number
- CN108879052A CN108879052A CN201810720304.3A CN201810720304A CN108879052A CN 108879052 A CN108879052 A CN 108879052A CN 201810720304 A CN201810720304 A CN 201810720304A CN 108879052 A CN108879052 A CN 108879052A
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- CN
- China
- Prior art keywords
- liquid
- container
- constant flow
- flow pump
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
- H01P1/222—Waveguide attenuators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/30—Auxiliary devices for compensation of, or protection against, temperature or moisture effects ; for improving power handling capability
Abstract
The present invention provides a kind of liquid waveguide adjustable attenuators, including rectangular wave conductor；The broadside center of rectangular wave conductor offers sipes seam, and the two sides of sipes seam are arranged in parallel with sheet metal, are provided with container in sipes seam；Filled with decaying liquid in container, container is provided with liquid outlet and inlet, rectangular wave conductor is provided with the liquid outlet connector and inlet connector connecting with circulating cooling system in position corresponding with liquid outlet and inlet, and liquid outlet connector and inlet connector are respectively turned on liquid outlet and inlet；Circulating cooling system includes the first connecting tube, the second connecting tube and decaying liquid case；Constant flow pump is provided in first connecting tube and the second connecting tube, the specific discharge of constant flow pump is identical；Liquid level sensor is provided in container, liquid level sensor is connect with constant flow pump, and the increased flow capacity of constant flow pump is controlled when liquid level rises, and the flow of control constant flow pump is reduced when liquid level declines.This liquid waveguide adjustable attenuator, can be improved heat dissipation effect, be suitable for high-power place.
Description
Technical field
The present invention relates to attenuator technical field more particularly to a kind of liquid waveguide adjustable attenuators.
Background technique
Attenuator is that one of most common element often needs especially in power microwave measuring system in microwave system
Power signal is decayed within the scope of measuring system can measure using attenuator, then signal is analyzed and measured,
And improve its measuring accuracy.HIGH-POWERED MICROWAVES attenuator common at present is divided into two class of dry type attenuator and attenuating liquid.Dry type
For attenuator using solid as microwave absorbing material, attenuation is unstable with frequency, thus the attenuator of this type is general
Work in fixed frequency point, and solid attenuator radiating efficiency it is low, so the power that bears of such attenuator is also limited.Liquid declines
Subtracting device mainly uses water as attenuating material, and water is the common microwave absorbing material of one kind while also can effectively take away heat
Amount.
Current attenuator is poor to the exclusion effect of heat, is not suitable as high power attenuator use.
Summary of the invention
In view of this, can be improved the technical problem to be solved in the present invention is to provide a kind of liquid waveguide adjustable attenuator
Heat dissipation effect is suitable for high-power place.
The technical proposal of the invention is realized in this way：
A kind of liquid waveguide adjustable attenuator, including rectangular wave conductor；
The broadside center of the rectangular wave conductor offers sipes seam, and the two sides of the sipes seam are arranged in parallel with metal
Piece is provided with container in sipes seam；
Filled with decaying liquid in the container, the container is provided with liquid outlet and inlet, and the rectangular wave conductor exists
Position corresponding with the liquid outlet and inlet is provided with the liquid outlet connector connecting with circulating cooling system and inlet connects
Head, the liquid outlet connector and the inlet connector are respectively turned on the liquid outlet and the inlet；
The circulating cooling system includes the first connecting tube, the second connecting tube and decaying liquid case；The decaying liquid case passes through
First connecting tube connects the liquid outlet connector, connects the inlet connector by second connecting tube, and described the
It is provided with constant flow pump in one connecting tube and second connecting tube, the specific discharge of the constant flow pump is identical；
Liquid level sensor is provided in the container, the liquid level sensor is connect with the constant flow pump, when liquid level rises
The increased flow capacity of the constant flow pump is controlled, liquid level controls constant flow pump flow when declining is reduced.
Preferably, the container is rectangular vessel or trapezoidal container.
Preferably, the flow of the constant flow pump is directly proportional to the liquid level of the container.
Preferably, the container is polyfluortetraethylene plate.
Preferably, the decaying liquid case is provided with air-cooled fan.
Liquid waveguide adjustable attenuator proposed by the present invention, by the way that the decaying liquid in container is connected circulating cooling system,
It is radiated by the way that the decaying liquid in container is continued through circulating cooling system, according to the attenuating liquid liquid height tune in container
The flow speed of constant flow pump is saved, so as to adjust cooling velocity according to attenuation, keeps heat dissipation more stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the liquid waveguide adjustable attenuator that the embodiment of the present invention proposes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention proposes a kind of liquid waveguide adjustable attenuator, including rectangular wave conductor 1；
The broadside center of the rectangular wave conductor 1 offers sipes seam 2, and the two sides of the sipes seam are arranged in parallel with metal
Piece 3 is provided with container 4 in sipes seam；
Filled with decaying liquid in the container, the container 4 is provided with liquid outlet and inlet, and the rectangular wave conductor exists
Position corresponding with the liquid outlet and inlet is provided with the liquid outlet connector connecting with circulating cooling system 5 and inlet connects
Head, the liquid outlet connector and the inlet connector are respectively turned on the liquid outlet and the inlet；
The circulating cooling system 5 includes the first connecting tube 502, the second connecting tube 503 and decaying liquid case 501；It is described to decline
Depletion case 501 connects the liquid outlet connector by first connecting tube, connects the feed liquor by second connecting tube
Mouthful connector is provided with constant flow pump in first connecting tube and second connecting tube, and the specific discharge of the constant flow pump is identical；
Liquid level sensor is provided in the container, the liquid level sensor is connect with the constant flow pump, when liquid level rises
The increased flow capacity of the constant flow pump is controlled, liquid level controls constant flow pump flow when declining is reduced.
As it can be seen that the liquid waveguide adjustable attenuator that the embodiment of the present invention proposes, by the way that the decaying liquid connection in container is followed
Ring cooling system is radiated by the way that the decaying liquid in container is continued through circulating cooling system, according to the liquid in container
The flow speed of decaying liquid height adjustment constant flow pump keeps heat dissipation more steady so as to adjust cooling velocity according to attenuation
It is fixed.
In a preferred embodiment of the invention, the container is rectangular vessel or trapezoidal container；The flow of constant flow pump
It is directly proportional to the liquid level of the container.
In the present embodiment, when container is rectangle or is trapezoidal, shape is relatively regular, can cooperate with wide slot, in order to place
Container, and splendid attire decaying liquid can be maximized, another aspect shape compares specification, convenient for calculating attenuation.
When the volume of rectangle and the volume of bucking ladder calculate, volume and height are all directly proportional, therefore the flow of constant flow pump can
With directly proportional to the liquid level of container, so as to be adjusted according to the liquid level (i.e. decaying liquid hold-up, attenuation) in container
The flow of whole constant flow pump keeps heat dissipation more stable.
In a preferred embodiment of the invention, the container is polyfluortetraethylene plate.
Polyfluortetraethylene plate (being also tetrafluoro plate, Teflon plate, Teflon plate) be divided to molding and two kinds of turning, moulded board be by
Polyflon is formed with die pressing at normal temperature, then is made through sintering, cooling.PTFE lathed plates are by poly- four
Fluoroethylene resin is formed through green compact, sintering, rotary-cut.Its product-use is wide, has extremely superior comprehensive performance：High-low temperature resistant (-
192 DEG C -260 DEG C), corrosion-resistant (strong acid, highly basic, chloroazotic acid etc.), weatherability, high insulation, it is high lubricate, do not adhere to, nonhazardous etc. it is excellent
Good characteristic.
When container is polyfluortetraethylene plate, it can according to need and be passed through different decaying liquid without replacing container.
In a preferred embodiment of the invention, the decaying liquid case is provided with air-cooled fan.
Circulating cooling system is used to cool down decaying liquid, can be rapid by the way that air-cooled fan is arranged in decaying liquid case
Drop heat is carried out to decaying liquid.
In the present embodiment, can carry out cooling equipment to decaying liquid can cooperate circulating cooling system to use.
In the present embodiment, when liquid waveguide adjustable attenuator works, the decaying liquid in container connects circulating cooling system, declines
Decaying liquid pump in container is gone out with identical speed and decaying liquid after cooling is pumped into container by the constant flow pump of depletion case
Complete heat dissipation；The attenuation of attenuator can be changed and inject into container or decaying liquid being discharged；When attenuation becomes
When change, the heat of generation can also change, at this time can according to liquid level change constant flow pump flow with radiating rate
It is matched, stablizes heat dissipation more ten thousand.
In conclusion following effect at least may be implemented in the embodiment of the present invention：
In embodiments of the present invention, by the way that the decaying liquid in container is connected circulating cooling system, by will be in container
Decaying liquid continues through circulating cooling system and radiates, according to the flow of the attenuating liquid liquid height adjustment constant flow pump in container
Speed keeps heat dissipation more stable so as to adjust cooling velocity according to attenuation.
Finally, it should be noted that：The foregoing is merely presently preferred embodiments of the present invention, is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (5)
1. a kind of liquid waveguide adjustable attenuator, which is characterized in that including rectangular wave conductor；
The broadside center of the rectangular wave conductor offers sipes seam, and the two sides of the sipes seam are arranged in parallel with sheet metal, institute
It states in sipes seam and is provided with container；
Filled with decaying liquid in the container, the container is provided with liquid outlet and inlet, the rectangular wave conductor with institute
It states liquid outlet and the corresponding position of inlet is provided with the liquid outlet connector and inlet connector connecting with circulating cooling system, institute
It states liquid outlet connector and the inlet connector is respectively turned on the liquid outlet and the inlet；
The circulating cooling system includes the first connecting tube, the second connecting tube and decaying liquid case；The decaying liquid case passes through described
First connecting tube connects the liquid outlet connector, connects the inlet connector by second connecting tube, described first connects
It is provided with constant flow pump in adapter tube and second connecting tube, the specific discharge of the constant flow pump is identical；
Liquid level sensor is provided in the container, the liquid level sensor is connect with the constant flow pump, and liquid level controls when rising
The increased flow capacity of the constant flow pump, liquid level controls constant flow pump flow when declining are reduced.
2. liquid waveguide adjustable attenuator as described in claim 1, which is characterized in that the container is rectangular vessel or trapezoidal
Container.
3. liquid waveguide adjustable attenuator as claimed in claim 2, which is characterized in that the flow of the constant flow pump and the appearance
The liquid level of device is directly proportional.
4. liquid waveguide adjustable attenuator as described in claim 1, which is characterized in that the container is polyfluortetraethylene plate.
5. liquid waveguide adjustable attenuator as described in claim 1, which is characterized in that the decaying liquid case is provided with air-cooled wind
Fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720304.3A CN108879052A (en) | 2018-07-03 | 2018-07-03 | A kind of liquid waveguide adjustable attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720304.3A CN108879052A (en) | 2018-07-03 | 2018-07-03 | A kind of liquid waveguide adjustable attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879052A true CN108879052A (en) | 2018-11-23 |
Family
ID=64298749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810720304.3A Pending CN108879052A (en) | 2018-07-03 | 2018-07-03 | A kind of liquid waveguide adjustable attenuator |
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| Country | Link |
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| CN (1) | CN108879052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474139A (en) * | 2019-07-24 | 2019-11-19 | 中国电子科技集团公司第二十九研究所 | A kind of the waveguide power distribution and composite structure and method of integrated liquid cooling runner |
| CN111883892A (en) * | 2020-07-23 | 2020-11-03 | 南京航空航天大学 | Broadband liquid attenuator based on T-shaped resistance network |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950835A (en) * | 2010-08-31 | 2011-01-19 | 电子科技大学 | Liquid-type high-power microwave rectangular waveguide attenuator |
| US20160291071A1 (en) * | 2012-11-14 | 2016-10-06 | Commissariat á l'énergie atomique et aux énergies alternatives | Device and method for variably attenuating an emitted microwave signal |
| CN206064428U (en) * | 2016-10-11 | 2017-04-05 | 威海化工机械有限公司 | Reactor high temperature resistant novel magnetic coupled drive device |
-
2018
- 2018-07-03 CN CN201810720304.3A patent/CN108879052A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950835A (en) * | 2010-08-31 | 2011-01-19 | 电子科技大学 | Liquid-type high-power microwave rectangular waveguide attenuator |
| US20160291071A1 (en) * | 2012-11-14 | 2016-10-06 | Commissariat á l'énergie atomique et aux énergies alternatives | Device and method for variably attenuating an emitted microwave signal |
| CN206064428U (en) * | 2016-10-11 | 2017-04-05 | 威海化工机械有限公司 | Reactor high temperature resistant novel magnetic coupled drive device |
Non-Patent Citations (1)
| Title |
|---|
| 沈长圣 等: ""高功率矩形波导可调衰减器的仿真设计与实验"", 《东南大学学报（自然科学版）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474139A (en) * | 2019-07-24 | 2019-11-19 | 中国电子科技集团公司第二十九研究所 | A kind of the waveguide power distribution and composite structure and method of integrated liquid cooling runner |
| CN111883892A (en) * | 2020-07-23 | 2020-11-03 | 南京航空航天大学 | Broadband liquid attenuator based on T-shaped resistance network |
| CN111883892B (en) * | 2020-07-23 | 2021-05-25 | 南京航空航天大学 | Broadband liquid attenuator based on T-shaped resistance network |
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Application publication date: 20181123 |
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