CN111987405B - Radar antenna heat radiation structure - Google Patents
Radar antenna heat radiation structure Download PDFInfo
- Publication number
- CN111987405B CN111987405B CN202010951736.2A CN202010951736A CN111987405B CN 111987405 B CN111987405 B CN 111987405B CN 202010951736 A CN202010951736 A CN 202010951736A CN 111987405 B CN111987405 B CN 111987405B
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- radar antenna
- heat dissipation
- cover plate
- dissipation structure
- piezoelectric fan
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
Abstract
The application belongs to the technical field of radar antenna heat dissipation design, concretely relates to radar antenna heat radiation structure, include: a radar antenna cover plate; the radar antenna frame is connected with the radar antenna cover plate, a containing cavity is formed between the radar antenna frame and the radar antenna cover plate, and the side wall of the containing cavity is provided with an air inlet and an air outlet; the air inlet and the air outlet are communicated with the accommodating cavity; the piezoelectric fan is arranged in the cavity.
Description
Technical Field
The application belongs to the technical field of radar antenna heat dissipation design, and particularly relates to a radar antenna heat dissipation structure.
Background
The weather radar active antenna can generate heat during working, and under a natural state, along with the accumulation of heat, the temperature rise of the weather radar active antenna assembly can reach 45 ℃, so that the performance of the weather radar active antenna assembly can be seriously influenced.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a radar antenna heat dissipation structure to overcome or mitigate at least one of the technical deficiencies of the known prior art.
The technical scheme of the application is as follows:
a radar antenna heat dissipation structure, comprising:
a radar antenna cover plate;
the radar antenna frame is connected with the radar antenna cover plate, a containing cavity is formed between the radar antenna frame and the radar antenna cover plate, and the side wall of the containing cavity is provided with an air inlet and an air outlet; the air inlet and the air outlet are communicated with the accommodating cavity;
the piezoelectric fan is arranged in the cavity.
According to at least one embodiment of the present application, the radar antenna heat dissipation structure further includes:
and the heat radiating fin group is arranged in the accommodating cavity.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the heat dissipation fin set is integrally formed with the antenna frame.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the heat dissipation fin group has an embedded groove;
the piezoelectric fan is embedded in the embedded groove.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the piezoelectric fan is disposed along the extending direction of the heat dissipation fin group.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the piezoelectric fan and the corresponding heat dissipation fins thereof have multiple sets.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the radar antenna cover plate has a mounting opening; the mounting port is opposite to the piezoelectric fan;
radar antenna heat radiation structure still includes:
and the mounting plate is connected with the radar antenna cover plate and covers the mounting opening.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the piezoelectric fan is connected to the mounting plate.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the mounting plate has a wire hole;
and a power line of the piezoelectric fan penetrates through the wiring hole and is connected to the radar antenna printed board.
According to at least one embodiment of the present application, the radar antenna heat dissipation structure further includes:
and the plurality of wire clamps are arranged on the radar antenna cover plate and distributed along the power line to clamp the power line.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, a sealing groove is formed between the radar antenna cover plate and the mounting plate;
radar antenna heat radiation structure still includes:
and the sealing strip is arranged in the sealing groove.
According to at least one embodiment of the present application, in the radar antenna heat dissipation structure, the sealing strip is a double-peak shielding strip.
Drawings
Fig. 1 is a cross-sectional view of a heat dissipation structure of a radar antenna provided in an embodiment of the present application;
fig. 2 is an outline view of a heat dissipation structure of a radar antenna provided in an embodiment of the present application;
fig. 3 is a schematic partial structural diagram of a heat dissipation structure of a radar antenna according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of another angle of FIG. 3;
FIG. 5 is a schematic structural diagram of a piezoelectric fan and a mounting plate according to an embodiment of the present disclosure;
wherein:
1-a radar antenna cover plate; 2-a radar antenna frame; 3-air inlet; 4, air outlet; 5-piezoelectric
A fan; 6-a set of cooling fins; 7-mounting a plate; 8-wire clamp; 9-sealing strip.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 5.
A radar antenna heat dissipation structure, comprising:
a radar antenna cover plate 1;
the radar antenna frame 2 is connected with the radar antenna cover plate 1, a cavity is formed between the radar antenna frame and the radar antenna cover plate 1, and the side wall of the cavity is provided with an air inlet 3 and an air outlet 4; the air inlet 3 and the air outlet 4 are communicated with the containing cavity;
and the piezoelectric fan 5 is arranged in the cavity.
To the radar antenna heat radiation structure that the above-mentioned embodiment discloses, technical personnel can understand in the field, it can be used to the heat dissipation to meteorological radar active antenna, it forms between radar antenna frame 2 and radar antenna apron 1 and holds the intracavity and set up piezoelectric fan 5, and set up on radar antenna frame 2 and hold the air intake 3 that the chamber communicates, air outlet 4, thereby can make outside air flow in from air intake 3, air outlet 4 flows, form the forced convection in holding the intracavity, take away the heat that produces meteorological radar active antenna subassembly, prevent the heat accumulation, reduce the temperature of meteorological radar active antenna subassembly.
To the radar antenna heat radiation structure disclosed in the above embodiment, those skilled in the art can also understand that the piezoelectric fan 5 has a small volume, and can be disposed in the cavity formed between the radar antenna frame 2 and the radar antenna cover plate 1, so that the space is not occupied, and no protruding part interferes with other components, and in addition, the piezoelectric fan 5 has a small mass, so that the mass is not excessively increased, and the requirement of weight reduction of the current radar is met.
In some optional embodiments, the radar antenna heat dissipation structure further includes:
and the heat radiating fin group 6 is arranged in the accommodating cavity so as to further increase the heat radiating effect on the radar antenna.
In some alternative embodiments, in the radar antenna heat dissipation structure, the heat dissipation fin set 6 is integrally formed with the antenna frame 2.
In some alternative embodiments, in the radar antenna heat dissipation structure, the heat dissipation fin group 6 has an embedded groove;
the piezoelectric fan 5 is embedded in the embedded groove.
As for the radar antenna heat dissipation structure disclosed in the above embodiment, as can be understood by those skilled in the art, the piezoelectric fan is embedded in the embedding groove on the heat dissipation fin set 6, so that on one hand, the structure is compact, and the occupation of space resources between the radar antenna frame 2 and the radar antenna cover plate 1 is reduced; on the other hand, the piezoelectric fan 5 can be matched with the radiating fin group 6, and high-speed plane airflow generated by the piezoelectric fan 5 can stably and accurately act on the radiating fin group 6, so that the temperature rise of the weather radar active antenna assembly can be effectively controlled.
In some alternative embodiments, in the radar antenna heat dissipation structure described above, the piezoelectric fan 5 is disposed along the extending direction of the heat dissipation fin group 6.
In some alternative embodiments, in the radar antenna heat dissipation structure, there are multiple sets of piezoelectric fans 5 and their corresponding heat dissipation fin sets 6, that is, each piezoelectric fan 5 may be embedded in a corresponding set of heat dissipation fin sets 6.
In some optional embodiments, in the radar antenna heat dissipation structure, the radar antenna cover plate 1 has a mounting opening; the mounting port is opposite to the piezoelectric fan 5 so as to facilitate the disassembly and assembly of the piezoelectric fan 5;
radar antenna heat radiation structure still includes:
and the mounting plate 7 is detachably connected with the radar antenna cover plate 1 and covers the mounting opening.
In some optional embodiments, in the radar antenna heat dissipation structure, the piezoelectric fan 5 is connected to the mounting plate 7, and the piezoelectric fan 5 is fixed on the mounting plate 7, so that the piezoelectric fan 5 and the mounting plate 7 can be integrally assembled and disassembled in the radar antenna heat dissipation structure.
In some alternative embodiments, in the radar antenna heat dissipation structure, the mounting plate 7 has a wire hole;
and a power line of the piezoelectric fan 5 penetrates through the wiring hole and is connected to the radar antenna printed board.
In some optional embodiments, the radar antenna heat dissipation structure further includes:
a plurality of fastener 8 sets up on radar antenna apron 1, distributes along the power cord, and fixed power cord makes the power cord paste and lean on radar antenna apron 1.
In some optional embodiments, in the radar antenna heat dissipation structure, a sealing groove is formed between the radar antenna cover plate 1 and the mounting plate 7;
radar antenna heat radiation structure still includes:
and the sealing strip 9 is arranged in the sealing groove, so that the sealing between the radar antenna cover plate 1 and the mounting plate 7 is realized.
In some optional embodiments, in the radar antenna heat dissipation structure, the sealing strip 9 is a double-peak shielding strip.
In a specific embodiment, based on the radar antenna heat dissipation structure, the weather radar active antenna assembly is subjected to heat dissipation, and the temperature rise of the weather radar active antenna assembly can be controlled at 17 ℃, so that the performance of the weather radar active antenna assembly can be effectively guaranteed.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (7)
1. A radar antenna heat radiation structure, comprising:
a radar antenna cover plate (1);
the radar antenna frame (2) is connected with the radar antenna cover plate (1), a cavity is formed between the radar antenna frame and the radar antenna cover plate (1), and the side wall of the cavity is provided with an air inlet (3) and an air outlet (4); the air inlet (3) and the air outlet (4) are communicated with the accommodating cavity;
the piezoelectric fan (5) is arranged in the accommodating cavity;
the radiating fin group (6) is arranged in the accommodating cavity;
the radiating fin group (6) is provided with an embedded groove;
the piezoelectric fan (5) is embedded in the embedded groove;
the piezoelectric fan (5) is arranged along the extending direction of the radiating fin group (6).
2. The radar antenna heat dissipation structure according to claim 1,
the radiating fin group (6) and the antenna frame (2) are integrally formed.
3. The radar antenna heat dissipation structure according to claim 1,
the piezoelectric fan (5) and the corresponding radiating fin groups (6) are provided with a plurality of groups.
4. The radar antenna heat dissipation structure according to claim 1,
the radar antenna cover plate (1) is provided with a mounting port; the mounting opening is opposite to the piezoelectric fan (5);
the radar antenna heat radiation structure further includes:
and the mounting plate (7) is connected with the radar antenna cover plate (1) and covers the mounting opening.
5. The radar antenna heat dissipation structure according to claim 4,
the piezoelectric fan (5) is connected with the mounting plate (7).
6. The radar antenna heat dissipation structure according to claim 4,
the mounting plate (7) is provided with a wiring hole;
and a power line of the piezoelectric fan (5) penetrates through the wiring hole and is connected to the radar antenna printed board.
7. The radar antenna heat dissipation structure according to claim 4,
a sealing groove is formed between the radar antenna cover plate (1) and the mounting plate (7);
the radar antenna heat radiation structure further includes:
a sealing strip (9) disposed in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951736.2A CN111987405B (en) | 2020-09-11 | 2020-09-11 | Radar antenna heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951736.2A CN111987405B (en) | 2020-09-11 | 2020-09-11 | Radar antenna heat radiation structure |
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| CN111987405A CN111987405A (en) | 2020-11-24 |
| CN111987405B true CN111987405B (en) | 2021-10-22 |
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| CN202010951736.2A Active CN111987405B (en) | 2020-09-11 | 2020-09-11 | Radar antenna heat radiation structure |
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| CN109616455A (en) * | 2014-08-26 | 2019-04-12 | 三菱电机株式会社 | High-frequency model |
| CN105208830B (en) * | 2015-09-23 | 2017-08-29 | 西安电子工程研究所 | A kind of radar TR components multitube pinpoints jet air-cooled radiating device |
| CN205844516U (en) * | 2016-06-21 | 2016-12-28 | 珠海纳睿达科技有限公司 | Phased array weather radar scanner structure |
| CN106252887B (en) * | 2016-09-08 | 2019-01-22 | 中国电子科技集团公司第五十四研究所 | A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna |
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| CN110190374B (en) * | 2019-04-28 | 2020-10-02 | 南京恩瑞特实业有限公司 | Double-body shipborne radar antenna pedestal |
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| CN110380231B (en) * | 2019-06-27 | 2021-10-22 | 中国航空工业集团公司雷华电子技术研究所 | Flat active phased-array antenna |
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