CN209896222U

CN209896222U - Curved waveguide

Info

Publication number: CN209896222U
Application number: CN201921260326.2U
Authority: CN
Inventors: 唐超; 胡罗林; 张华彬; 杨强; 王梦哲
Original assignee: Chengdu Phase Lock Electronic Technology Co Ltd
Current assignee: Chengdu Phase Lock Electronic Technology Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-01-03
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a bent waveguide, including the waveguide body, the waveguide body include first structure and form the second structure of waveguide passageway with first structure locking, first structure outer wall on the fixed first liquid cooling radiating groove that is used for the liquid cooling, second structure outer wall on the fixed second liquid cooling radiating groove that is used for the liquid cooling radiating, first liquid cooling radiating groove and second liquid cooling radiating groove are along the contact surface symmetry of first structure and second structure. The first liquid cooling radiating groove and the second liquid cooling radiating groove are fixedly arranged on the waveguide and can radiate the waveguide, and the first liquid cooling radiating groove and the second liquid cooling radiating groove are fixedly arranged on the outer wall of the waveguide and do not influence the waveguide and other components to be assembled into the antenna.

Description

Curved waveguide

Technical Field

The utility model belongs to the technical field of the radar antenna, specifically speaking relates to a curved waveguide.

Background

Waveguide is intended to mean a device for transmitting electromagnetic waves in the microwave or visible light band, used in the radio field, such as telecommunications, radar, navigation, etc. The waveguide is used for directionally guiding electromagnetic waves and is specially used for hollow metal waveguide tubes and surface wave guide tubes in various shapes, and the hollow metal waveguide tubes are used for completely limiting transmitted electromagnetic waves in the metal tubes. The propagation of the electromagnetic wave in the hollow metal waveguide is limited and reflected by the inner wall of the waveguide, so that the electromagnetic wave propagates along the waveguide channel. In the field of radio communication, the inner wall surface of a waveguide is generally required to be smooth and have certain conductivity so as to meet the requirements of low loss and low distortion of electromagnetic wave transmission. A curved waveguide refers to a metallic hollow waveguide in which the waveguide channel within the waveguide is curved.

The invention patent with application number CN201820304283.2 discloses a liquid cooling heat dissipation T/R component testing device, which comprises a wave-cooled converter, a waveguide heat transfer plate and a liquid cooling plate; the waveguide heat transfer plate is internally provided with N waveguide transmission channels, each waveguide transmission channel is isolated from the other waveguide transmission channel, a waveguide input interface of each waveguide transmission channel is used for being in butt joint with a T/R assembly, a waveguide output interface of each waveguide transmission channel is used for being in butt joint with a waveguide converter, and meanwhile, the lower surface of the waveguide heat transfer plate is attached to the liquid cooling plate to dissipate heat. Therefore, the utility model discloses can not only realize waveguide signal to the conversion of cable coaxial signal, make things convenient for the butt joint of external test interface, can also promote the radiating effect, guarantee the accuracy and the stability of test. The liquid cooling plate in the scheme can only dissipate heat of a product with a plate-shaped structure, the liquid cooling plate is inconvenient to use in an antenna applying the waveguide, the waveguide needs to be assembled with other components into the antenna together, and a cooling scheme needs to be designed by combining the other components of the antenna.

SUMMERY OF THE UTILITY MODEL

To foretell not enough among the prior art, the utility model provides a bent waveguide fixes being provided with first liquid cooling radiating groove and second liquid cooling radiating groove on the waveguide, can dispel the heat to the waveguide, and first liquid cooling radiating groove and second liquid cooling radiating groove fixed mounting do not influence the waveguide and assemble into the antenna with all the other parts on the waveguide outer wall.

In order to achieve the above object, the utility model discloses a solution is: the utility model provides a bent waveguide, includes the waveguide body, the waveguide body include first structure and with the second structure of first structure locking formation waveguide passageway, first structure outer wall on the fixed first liquid cooling radiating groove that is used for the liquid cooling, second structure outer wall on the fixed second liquid cooling radiating groove that is used for the liquid cooling heat dissipation that is provided with, first liquid cooling radiating groove and second liquid cooling radiating groove are symmetrical along the contact surface of first structure and second structure.

The waveguide comprises a waveguide body, wherein one end of the waveguide body is fixedly connected with a transition section, a third liquid cooling radiating groove and a fourth liquid cooling radiating groove are fixedly arranged on the outer wall of the transition section, the first liquid cooling radiating groove is communicated with the third liquid cooling radiating groove, and the second liquid cooling radiating groove is communicated with the fourth liquid cooling radiating groove.

The liquid cooling joint is characterized in that the liquid cooling joints used for connecting the liquid inlet pipe or the liquid outlet pipe are fixedly mounted at two ends of the first liquid cooling radiating groove, the second liquid cooling radiating groove, the third liquid cooling radiating groove and the fourth liquid cooling radiating groove.

The first liquid cooling radiating groove and the first structural member are integrally formed, the second liquid cooling radiating groove and the second structural member are integrally formed, and the third liquid cooling radiating groove, the fourth liquid cooling radiating groove and the transition section are integrally formed.

The first liquid cooling radiating groove, the second liquid cooling radiating groove, the third liquid cooling radiating groove and the fourth liquid cooling radiating groove are the same in structure and comprise side walls, cover plates and cold liquid cavities, the cover plates are fixedly connected to the side walls and form cooling cavities for cooling liquid to pass through with the side walls, the side walls of the first liquid cooling radiating groove and the first structural member are integrally formed, the side walls of the second liquid cooling radiating groove and the second structural member are integrally formed, and the side walls of the third liquid cooling radiating groove and the fourth liquid cooling radiating groove and the transition section are integrally formed.

The cover plate is fixedly connected to the side wall through screws.

And a sealing ring is fixed between the side wall and the cover plate.

The liquid inlet pipe and the liquid outlet pipe are flexible pipes.

The end parts of the waveguide body and the transition section are respectively formed with a flange, and the waveguide body is connected with the transition section through the flange.

The flange is provided with a groove for passing through a liquid inlet pipeline or a liquid outlet pipe.

The utility model has the advantages that:

(1) the first liquid cooling radiating groove and the second liquid cooling radiating groove are fixedly arranged on the waveguide and can radiate the waveguide, and the first liquid cooling radiating groove and the second liquid cooling radiating groove are fixedly arranged on the outer wall of the waveguide and do not influence the waveguide and other components to be assembled into the antenna.

(2) The first liquid cooling radiating groove and the first structural member are integrally formed, and the second liquid cooling radiating groove and the second structural member are integrally formed, so that the cooling liquid is directly contacted with the waveguide, the heat dissipation is quicker, and the heat dissipation is more favorable.

(3) The cooling cavity is sealed by adopting a mode of fastening the cover plate by the sealing ring and the screw, so that the phenomena of water seepage, water leakage and the like are effectively prevented.

Drawings

FIG. 1 is a perspective view of the waveguide of the present invention;

fig. 2 is a front view of the waveguide of the present invention;

fig. 3 is a top view of the waveguide of the present invention;

fig. 4 is a left side view of the waveguide of the present invention;

fig. 5 is a right side view of the waveguide of the present invention;

FIG. 6 is a schematic cross-sectional view of the waveguide A-A of the present invention;

FIG. 7 is a schematic cross-sectional view of the waveguide B-B of the present invention;

FIG. 8 is a schematic cross-sectional view of a waveguide C-C according to the present invention;

in the figure, 1-waveguide body, 2-transition section, 3-flange, 4-hose, 5-liquid cooling joint, 6-side wall, 7-waveguide channel, 8-cover plate, 9-cold liquid cavity, 10-sealing ring, 11-first structural member, 12-second structural member, 13-first liquid cooling heat sink, 14-second liquid cooling heat sink, 15-third liquid cooling heat sink, and 16-fourth liquid cooling heat sink.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example one

As shown in fig. 1 to 8, a bent waveguide includes a waveguide body 1, the waveguide body 1 includes a first structural member 11 and a second structural member 12 locked with the first structural member 11 to form a waveguide channel 7, a first liquid-cooled heat sink 13 for liquid-cooled heat dissipation is fixedly disposed on an outer wall of the first structural member 11, a second liquid-cooled heat sink 14 for liquid-cooled heat dissipation is fixedly disposed on an outer wall of the second structural member 12, and the first liquid-cooled heat sink 13 and the second liquid-cooled heat sink 14 are symmetrical along a contact surface between the first structural member 11 and the second structural member 12. The first liquid cooling radiating groove 13 and the second liquid cooling radiating groove 14 are internally communicated with cooling liquid, so that the waveguide can be directly radiated, and the waveguide and other parts are not influenced to be assembled into the antenna. The first structural member 11 and the second structural member 12 are positioned by pins and fastened and connected by screws, so that the antenna is convenient to assemble quickly on occasions where the antenna is used. The first liquid cooling radiating grooves 13 and the first structural member 11 are integrally formed, and the second liquid cooling radiating grooves 14 and the second structural member 12 are integrally formed, so that the cooling liquid is directly contacted with the waveguide, the heat dissipation is quicker, and the heat dissipation is more facilitated.

The two ends of the first liquid cooling radiating groove 13 and the second liquid cooling radiating groove 14 are fixedly provided with the liquid cooling connectors 5 used for being connected with the liquid inlet pipe or the liquid outlet pipe, and when cooling liquid is subsequently communicated, the liquid cooling connectors 5 can be used for realizing quick connection.

First liquid cooling radiating groove 13 and second liquid cooling radiating groove 14 the same structure, all include lateral wall 6, apron 8 and cold liquid chamber 9, apron 8 fastening connection on lateral wall 6, form the cooling chamber that supplies the coolant liquid to pass through with lateral wall 6, the lateral wall 6 and the 11 integrated into one piece of first structure spare of first liquid cooling radiating groove 13, the lateral wall 6 and the 12 integrated into one piece of second structure spare of second liquid cooling radiating groove 14. The cover plate 8 is fastened and connected on the side wall 6 through screws. And a sealing ring 10 is fixed between the side wall 6 and the cover plate 8. The cooling cavity is sealed by adopting a mode of fastening the cover plate 8 by the sealing ring 10 and the screw, so that the phenomena of water seepage, water leakage and the like are effectively prevented.

Example two

In another embodiment of the present invention, as shown in fig. 1-8, a curved waveguide comprises a waveguide body 1, the waveguide body 1 comprises a first structural member 11 and a second structural member 12 locked with the first structural member 11 to form a waveguide channel 7, the outer wall of the first structural member 11 is fixedly provided with a first liquid cooling heat sink 13 for liquid cooling heat dissipation, the outer wall of the second structural member 12 is fixedly provided with a second liquid cooling heat sink 14 for liquid cooling heat dissipation, and the first liquid cooling heat sink 13 and the second liquid cooling heat sink 14 are symmetrical along the contact surface between the first structural member 11 and the second structural member 12. The waveguide body 1 one end fixedly connected with changeover portion 2, the outer wall of changeover portion 2 on fixedly be provided with third liquid cooling radiating groove 15 and fourth liquid cooling radiating groove 16, first liquid cooling radiating groove 13 and third liquid cooling radiating groove 15 intercommunication, second liquid cooling radiating groove 14 and fourth liquid cooling radiating groove 16 intercommunication.

The first liquid cooling radiating groove 13, the second liquid cooling radiating groove 14, the third liquid cooling radiating groove 15 and the fourth liquid cooling radiating groove 16 are internally communicated with cooling liquid, so that the waveguide can be directly cooled, and the waveguide and other components are not influenced to be assembled into the antenna. The first structural member 11 and the second structural member 12 are positioned by pins and fastened and connected by screws, so that the antenna is convenient to assemble quickly on occasions where the antenna is used.

And the two ends of the first liquid cooling radiating groove 13, the second liquid cooling radiating groove 14, the third liquid cooling radiating groove 15 and the fourth liquid cooling radiating groove 16 are fixedly provided with liquid cooling joints 5 for connecting a liquid inlet pipe or a liquid outlet pipe. The first liquid cooling radiating groove 13 is used as a liquid inlet groove, the liquid cooling joint 5 at the liquid outlet end of the first liquid cooling radiating groove 13 is communicated with the liquid cooling joint 5 at the liquid inlet end of the third liquid cooling radiating groove 15 through a liquid outlet pipe, and the liquid cooling joint 5 at the liquid outlet end of the fourth liquid cooling radiating groove 16 is communicated with the liquid cooling joint 5 at the liquid inlet end of the second liquid cooling radiating groove 14 through a liquid outlet pipe. The liquid cooling joint 5 at the liquid inlet end of the first liquid cooling radiating groove 13 is connected into the cooling liquid through a liquid inlet pipe, and the liquid cooling joint 5 at the liquid inlet end of the fourth liquid cooling radiating groove 16 is connected into the return cooling liquid flowing through the antenna through a liquid inlet pipe. When the cooling liquid is connected, the liquid cooling joint 5 can be used for realizing quick connection.

First liquid cooling radiating groove 13 and first structure piece 11 integrated into one piece, second liquid cooling radiating groove 14 and second structure piece 12 integrated into one piece, third liquid cooling radiating groove 15 and fourth liquid cooling radiating groove 16 and changeover portion 2 integrated into one piece, be equivalent to the direct and waveguide contact of coolant liquid, the heat dissipation is more rapid, and more is favorable to the heat dissipation.

First liquid cooling radiating groove 13, second liquid cooling radiating groove 14, third liquid cooling radiating groove 15 and fourth liquid cooling radiating groove 16 structure the same, all include lateral wall 6, apron 8 and

cold liquid chamber

9, 8 fastening connections of apron on lateral wall 6, form the cooling chamber that supplies the coolant liquid to pass through with lateral wall 6, lateral wall 6 and the 11 integrated into one piece of first structure spare of first liquid cooling radiating groove 13, lateral wall 6 and the 12 integrated into one piece of second structure spare of second liquid cooling radiating groove 14, lateral wall 6 of third liquid cooling radiating groove 15, the lateral wall 6 and the 2 integrated into one piece of changeover portion of fourth liquid cooling radiating groove 16. The cover plate 8 is fastened and connected on the side wall 6 through screws. And a sealing ring 10 is fixed between the side wall 6 and the cover plate 8. The cooling cavity is sealed by adopting a mode of fastening the cover plate 8 by the sealing ring 10 and the screw, so that the phenomena of water seepage, water leakage and the like are effectively prevented. The radiating groove cover plate 8 adopts a silicon rubber sealing ring 10, paints silicon rubber and locks with screws, and prevents water seepage and water leakage.

Feed liquor pipe and drain pipe be hose 4, preferably hose 4 is the silicon rubber hose, 4 light in weight of hose can reduce the weight of using the antenna that the waveguide of this application assembled.

The end parts of the waveguide body 1 and the transition section 2 are respectively formed with a flange 3, the waveguide body 1 is connected with the transition section 2 through the flange 3, the other end of the waveguide body 1 is connected with the coupler through the flange 3, the other end of the transition section 2 is connected with the circular polarizer through the flange 3, and the flange 3 is assembled and fastened by screws.

The flange 3 is provided with a groove for passing through a liquid inlet pipeline or a liquid outlet pipe, and the groove on the flange 3 is favorable for wiring of the liquid inlet pipe and the liquid outlet pipe.

The utility model discloses a first structure 11 and second structure 12 of waveguide use the pin to fix a position when the equipment, use the screw to lock fixedly, and the equipment process is simple, when using the waveguide of this application to assemble into the antenna, use flange 3 fixed with waveguide and coupler, use flange 3 fixed with waveguide and changeover portion 2, reuse flange 3 fixed with changeover portion 2 and circular polarizer. After the antenna assembly is completed, the cooling liquid is introduced into the liquid cooling radiating grooves, any one of the first liquid cooling radiating grooves 13 and the second liquid cooling radiating grooves 14 can be used as a liquid inlet groove, the first liquid cooling radiating grooves 13 are used as the liquid inlet groove for example, then the cooling liquid flows into the third liquid cooling radiating grooves 15 from the first liquid cooling radiating grooves 13 through the liquid outlet pipe, the cooling liquid in the third liquid cooling radiating grooves 15 flows into the fourth liquid cooling radiating grooves after flowing through the circular polarizer and the feed horn of the antenna, and flows out of the second liquid cooling radiating grooves 14 after flowing through the fourth liquid cooling radiating grooves 16, so that the heat dissipation of the antenna is realized.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A curved waveguide comprising a waveguide body (1), characterized in that: the waveguide body (1) include first structure (11) and with second structure (12) of first structure (11) locking formation waveguide passageway (7), first structure (11) outer wall on the fixed first liquid cooling radiating groove (13) that is used for the radiating of liquid cooling that is provided with, second structure (12) outer wall on the fixed second liquid cooling radiating groove (14) that is used for the radiating of liquid cooling that is provided with, first liquid cooling radiating groove (13) and second liquid cooling radiating groove (14) are symmetrical along the contact surface of first structure (11) and second structure (12).

2. The curved waveguide of claim 1, wherein: the waveguide device is characterized in that one end of the waveguide body (1) is fixedly connected with a transition section (2), a third liquid cooling radiating groove (15) and a fourth liquid cooling radiating groove (16) are fixedly arranged on the outer wall of the transition section (2), the first liquid cooling radiating groove (13) is communicated with the third liquid cooling radiating groove (15), and the second liquid cooling radiating groove (14) is communicated with the fourth liquid cooling radiating groove (16).

3. The curved waveguide of claim 2, wherein: the liquid cooling device is characterized in that liquid cooling joints (5) used for connecting a liquid inlet pipe or a liquid outlet pipe are fixedly mounted at two ends of the first liquid cooling radiating groove (13), the second liquid cooling radiating groove (14), the third liquid cooling radiating groove (15) and the fourth liquid cooling radiating groove (16).

4. The curved waveguide of claim 2, wherein: first liquid cooling radiating groove (13) and first structure piece (11) integrated into one piece, second liquid cooling radiating groove (14) and second structure piece (12) integrated into one piece, third liquid cooling radiating groove (15) and fourth liquid cooling radiating groove (16) and changeover portion (2) integrated into one piece.

5. The curved waveguide of claim 4, wherein: first liquid cooling radiating groove (13), second liquid cooling radiating groove (14), third liquid cooling radiating groove (15) and fourth liquid cooling radiating groove (16) structure the same, all include lateral wall (6), apron (8) and cold liquid chamber (9), apron (8) fastening connection on lateral wall (6), form cold liquid chamber (9) that supply the coolant liquid to pass through with lateral wall (6), lateral wall (6) and first structural component (11) integrated into one piece of first liquid cooling radiating groove (13), lateral wall (6) and second structural component (12) integrated into one piece of second liquid cooling radiating groove (14), lateral wall (6) and the transition section (2) integrated into one piece of lateral wall (6) of third liquid cooling radiating groove (15), fourth liquid cooling radiating groove (16).

6. The curved waveguide of claim 5, wherein: the cover plate (8) is fastened and connected on the side wall (6) through screws.

7. The curved waveguide of claim 5, wherein: and a sealing ring (10) is fixed between the side wall (6) and the cover plate (8).

8. The curved waveguide of claim 3, wherein: the liquid inlet pipe and the liquid outlet pipe are flexible pipes (4).

9. The curved waveguide of claim 3, wherein: the waveguide structure is characterized in that flanges (3) are respectively formed at the end parts of the waveguide body (1) and the transition section (2), and the waveguide body (1) is connected with the transition section (2) through the flanges (3).

10. The curved waveguide of claim 9, wherein: the flange (3) is provided with a groove for passing through a liquid inlet pipeline or a liquid outlet pipe.