CN220914549U - Low-profile broadband phased array antenna - Google Patents
Low-profile broadband phased array antenna Download PDFInfo
- Publication number
- CN220914549U CN220914549U CN202322607180.7U CN202322607180U CN220914549U CN 220914549 U CN220914549 U CN 220914549U CN 202322607180 U CN202322607180 U CN 202322607180U CN 220914549 U CN220914549 U CN 220914549U
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- CN
- China
- Prior art keywords
- phased array
- array antenna
- antenna body
- fixing
- accommodating groove
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- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a low-profile broadband phased array antenna which comprises an antenna base, a phased array antenna body and a plurality of fixing frames. The antenna base is internally provided with a containing groove which is provided with an opening positioned at the top of the antenna base; the side wall of the antenna base is provided with a plurality of circumferentially distributed vent holes communicated with the accommodating groove; a cooling fan with the air outlet direction facing the accommodating groove is arranged in the vent hole; the bottom wall of the accommodating groove is fixed with a first supporting frame, and a plurality of air holes are formed in the first supporting frame. According to the utility model, the antenna seat for installing and accommodating the phased array antenna body is arranged, the vent hole with the built-in radiator fan is formed in the side wall of the antenna seat, meanwhile, the support frame I for supporting the phased array antenna body is arranged below the phased array antenna body, and the vent hole for ventilation is formed in the support frame I, so that heat dissipation of the whole outer surface of the phased array antenna body can be realized, and the running stability of the phased array antenna body is ensured.
Description
Technical Field
The utility model belongs to the technical field of electronic communication, and particularly relates to a low-profile broadband phased array antenna.
Background
With the rapid development of modern mobile communication technology and military electronic systems, wireless systems place increasing demands on antennas. The structure of the antenna is required to have low profile characteristics so as to realize the integration and miniaturization of the antenna and improve the conformal integration capability of the antenna and a communication combat platform. A low profile wideband phased array with large cell spacing can be effectively satisfied.
Please refer to the patent document with 201821298321.4, which discloses a phased array antenna structure, comprising a housing, wherein the housing comprises a front panel, an upper panel and a side panel; the front panel is provided with a first pair of external connectors and a second pair of external connectors; the upper panel comprises an antenna mounting plate and a transmitting antenna array surface arranged on the antenna mounting plate, and the transmitting antenna array surface is provided with 16 antenna units in an equidistant manner; the inside of the shell is provided with an SMP interface, a transmitting assembly, a power dividing assembly and a wave control extension from top to bottom in sequence.
In the technical scheme of the application, when the phased array antenna is used, some defects still exist, for example, when the phased array antenna is used, more heat can be generated, a large amount of heat can be accumulated in the phased array antenna, and the electronic element can work abnormally.
Disclosure of utility model
The present utility model is directed to a low profile wideband phased array antenna that solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a low profile wideband phased array antenna comprising:
the antenna base is internally provided with a containing groove, and the containing groove is provided with an opening positioned at the top of the antenna base; a plurality of circumferentially distributed vent holes communicated with the accommodating groove are formed in the side wall of the antenna base; a cooling fan with the air outlet direction facing the accommodating groove is arranged in the vent hole; the bottom wall of the accommodating groove is fixedly provided with a first support frame, and a plurality of air holes are formed in the first support frame;
a phased array antenna body mounted in the accommodation groove and supported by the first support frame; a gap for air to pass through is formed between the side walls of the accommodating groove of the phased array antenna body;
The fixing frames are circumferentially and uniformly distributed at the top of the antenna base and are positioned around the phased array antenna body; the fixing frame is fixedly connected with the antenna base and downwards abuts against the phased array antenna body.
Preferably, the fixing frame comprises a limiting part, a fixing part and a connecting part for connecting the limiting part and the fixing part; the limiting part, the fixing part and the connecting part form a Z-shaped structure;
the fixing part is fixed on the antenna base through a plurality of fixing bolts;
And a part of the limiting part extends to the upper part of the phased array antenna body and presses against the top surface of the phased array antenna body.
Preferably, a dustproof net is arranged at the opening of the vent hole, which is positioned on the outer side surface of the antenna base.
Preferably, a semiconductor refrigerating sheet fixed on the inner wall of the vent hole is arranged between the radiating fan and the dust screen;
the thickness direction of the semiconductor refrigerating sheet is perpendicular to the airflow direction in the vent hole.
Preferably, a thread bush is fixed on the connecting part;
A threaded rod penetrates through the threaded sleeve and is connected with the threaded sleeve in a threaded mode; the threaded rod penetrates through the connecting portion, and one end of the threaded rod abuts against the side wall of the phased array antenna body.
Preferably, a pressing plate is movably connected to the end of the threaded rod, and the threaded rod contacts the phased array antenna body through the pressing plate.
The utility model has the technical effects and advantages that:
(1) According to the utility model, the antenna seat for installing and accommodating the phased array antenna body is arranged, the vent hole with the built-in radiator fan is formed in the side wall of the antenna seat, meanwhile, the support frame I for supporting the phased array antenna body is arranged below the phased array antenna body, and the vent hole for ventilation is formed in the support frame I, so that heat dissipation of the whole outer surface of the phased array antenna body can be realized, and the running stability of the phased array antenna body is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of the fixing frame of the present utility model;
FIG. 3 is an enlarged schematic view of detail A in FIG. 1;
FIG. 4 is an enlarged schematic view of a detail at B in FIG. 1;
Fig. 5 is a schematic structural diagram of a first support frame and a second support frame according to the present utility model.
In the figure:
1. An antenna base; 11. a receiving groove; 12. a vent hole; 13. a dust screen; 131. a fan fixing frame; 14. a heat radiation fan; 15. a first supporting frame; 16. a second supporting frame; 17. a semiconductor refrigeration sheet; 18. a support plate; 2. a phased array antenna body; 3. a fixing frame; 31. a limit part; 32. a fixing part; 321. a fixing bolt; 33. a connection part; 331. a thread sleeve; 34. a threaded rod; 341. a pressing plate; 342. and (5) a knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a low-profile broadband phased array antenna as shown in fig. 1, comprising an antenna mount 1, a phased array antenna body 2 and a plurality of holders 3.
Referring to fig. 1 and 3, referring to fig. 1, an accommodating groove 11 is formed in the antenna base 1, and the accommodating groove 11 has an opening located at the top of the antenna base 1; the side wall of the antenna base 1 is provided with a plurality of ventilation holes 12 which are communicated with the containing groove 11 and are circumferentially distributed; a cooling fan 14 having an air outlet direction directed toward the accommodating groove 11 is installed in the ventilation hole 12 through a fan fixing bracket 131. The bottom wall of the accommodating groove 11 is fixed with a first support frame 15, and a plurality of air holes are formed in the first support frame 15. A plurality of support plates 18 are fixed on the lower edge of the outer side wall of the antenna base 1, and mounting holes are formed in the support plates 18.
Referring to fig. 1 and 5, the heat dissipation fan 14 is used for accelerating the air flow rate in the air hole 12, the heat dissipation fan 14 can blow air to the accommodating groove 11, and the air hole 12 on the first support frame 15 can also be used for air circulation. In addition, the outer side of the first support frame 15 is also provided with a second support frame 16 with a size larger than that of the first support frame 15, and the second support frame 16 is also provided with air holes for air circulation.
Further, in order to reduce the entry of external dust and foreign matters, a dust screen 13 is installed at an opening of the vent hole 12 at the outer side surface of the antenna base 1.
In order to further enhance the heat radiation effect, a semiconductor refrigerating plate 17 fixed to the inner wall of the vent hole 12 is provided between the heat radiation fan 14 and the dust screen 13; the thickness direction of the semiconductor refrigeration sheet 17 is perpendicular to the air flow direction in the vent hole 12. When the outside air is drawn into the accommodating groove 11 by the heat radiation fan 14, the temperature can be lowered via the semiconductor cooling fin 17, thereby further lowering the temperature of the air in the accommodating groove 11.
The phased array antenna body 2 is arranged in the accommodating groove 11 and is supported by the first support frame 15; the phased array antenna body 2 has the clearance that supplies the air to pass through between the lateral wall of holding tank 11 to can absorb phased array antenna body 2 to outside heat dissipation through the air fast, then realize high-efficient heat dissipation through the circulation of air.
The plurality of fixing frames 3 are circumferentially and uniformly distributed at the top of the antenna base 1 and are positioned around the phased array antenna body 2; the fixed frame 3 is fixedly connected with the antenna base 1 and downwards presses the phased array antenna body 2. The fixing frame 3 is used for fixing the phased array antenna body 2, and the fixing frames 3 can uniformly bear force to realize effective reinforcement.
Referring to fig. 1, 2 and 4, specifically, the fixing frame 3 includes a limiting portion 31, a fixing portion 32, and a connecting portion 33 connecting the limiting portion 31 and the fixing portion 32; the limiting part 31, the fixing part 32 and the connecting part 33 form a Z-shaped structure; the fixing portion 32 is fixed to the antenna base 1 by a plurality of fixing bolts 321; a part of the stopper 31 extends above the phased array antenna body 2 and presses against the top surface of the phased array antenna body 2.
Further, in order to reinforce the phased array antenna body 2, a screw sleeve 331 is fixed to the connection portion 33. A threaded rod 34 is threaded through the threaded sleeve 331; the threaded rod 34 penetrates the connection portion 33, and one end presses against the side wall of the phased array antenna body 2. The other end of the threaded rod 34 is fixed with a knob 342 for a user to hold, which facilitates the user to rotate the threaded rod 34 to fix the phased array antenna body 2 through the end of the threaded rod 34.
The end of the threaded rod 34 is movably connected with a pressing plate 341, the threaded rod 34 contacts the phased array antenna body 2 through the pressing plate 341, and a rubber gasket is attached and fixed to the surface of the pressing plate 341, so that the phased array antenna body 2 can be effectively contacted and fixed.
Working principle: according to the low-profile broadband phased array antenna, when the low-profile broadband phased array antenna is installed, the phased array antenna body 2 is placed in the accommodating groove 11 and is supported by the first support frame 15 and the second support frame 16, the radiating fan 14 can blow air to the accommodating groove 11, the ventilation holes 12 on the first support frame 15 and the second support frame 16 can also be used for air circulation, the air can rapidly absorb heat emitted by the phased array antenna body 2 to the outside, and then efficient heat dissipation is achieved through air circulation.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 utility model.
Claims (6)
1. A low profile wideband phased array antenna, characterized by: comprising the following steps:
an antenna base (1) is provided with a containing groove (11), and the containing groove (11) is provided with an opening positioned at the top of the antenna base (1); a plurality of circumferentially distributed vent holes (12) communicated with the accommodating groove (11) are formed in the side wall of the antenna base (1); a cooling fan (14) with the air outlet direction facing the accommodating groove (11) is arranged in the ventilation hole (12); a first support frame (15) is fixed on the bottom wall of the accommodating groove (11), and a plurality of air holes are formed in the first support frame (15);
A phased array antenna body (2) mounted in the accommodation groove (11) and supported by the first support frame (15); a gap for air to pass through is formed between the side walls of the accommodating groove (11) of the phased array antenna body (2);
The fixing frames (3) are circumferentially and uniformly distributed at the top of the antenna base (1) and are positioned around the phased array antenna body (2); the fixing frame (3) is fixedly connected with the antenna base (1) and downwards abuts against the phased array antenna body (2).
2. A low profile wideband phased array antenna as claimed in claim 1, wherein: the fixing frame (3) comprises a limiting part (31), a fixing part (32) and a connecting part (33) for connecting the limiting part (31) and the fixing part (32); the limiting part (31), the fixing part (32) and the connecting part (33) form a Z-shaped structure;
The fixing part (32) is fixed on the antenna base (1) through a plurality of fixing bolts (321);
A part of the limiting part (31) extends to the upper side of the phased array antenna body (2) and presses against the top surface of the phased array antenna body (2).
3. A low profile wideband phased array antenna as claimed in claim 1, wherein: a dustproof net (13) is arranged at an opening of the vent hole (12) on the outer side face of the antenna base (1).
4. A low profile wideband phased array antenna as claimed in claim 3, wherein: a semiconductor refrigerating sheet (17) fixed on the inner wall of the vent hole (12) is arranged between the radiating fan (14) and the dustproof net (13);
The thickness direction of the semiconductor refrigerating sheet (17) is perpendicular to the air flow direction in the ventilation hole (12).
5. A low profile wideband phased array antenna as claimed in claim 2, wherein: a threaded sleeve (331) is fixed on the connecting part (33);
A threaded rod (34) is connected in the threaded sleeve (331) in a penetrating and threaded manner; the threaded rod (34) penetrates the connecting portion (33) and one end abuts against the side wall of the phased array antenna body (2).
6. A low profile wideband phased array antenna as claimed in claim 5, wherein: the end of the threaded rod (34) is movably connected with a pressing plate (341), and the threaded rod (34) is contacted with the phased array antenna body (2) through the pressing plate (341).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607180.7U CN220914549U (en) | 2023-09-25 | 2023-09-25 | Low-profile broadband phased array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607180.7U CN220914549U (en) | 2023-09-25 | 2023-09-25 | Low-profile broadband phased array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914549U true CN220914549U (en) | 2024-05-07 |
Family
ID=90917135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322607180.7U Active CN220914549U (en) | 2023-09-25 | 2023-09-25 | Low-profile broadband phased array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914549U (en) |
-
2023
- 2023-09-25 CN CN202322607180.7U patent/CN220914549U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |