Millimeter wave multi-mode antenna

Abstract

The utility model provides a millimeter wave multi-mode antenna, which belongs to the technical field of antennas and comprises a die-casting bottom plate, a circuit board and an antenna plate are arranged in the die-casting bottom plate, a discrete radar body is arranged on the die-casting bottom plate, and a radar fairing is arranged on the discrete radar body. According to the utility model, problems that a conventional millimeter wave antenna is complex in design, high in cost and sensitive to environmental changes are solved; meanwhile, a radar system often needs to find balance between high-precision measurement and wide coverage, so that multi-mode integration is difficult, and when a millimeter wave antenna is used in cooperation with the radar system, the whole radar system is damaged due to too high temperature, and practicability is not high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to millimeter wave antenna technical field, concretely relates to a millimeter wave multimode antenna. BACKGROUND

[0002] With the rapid development and wide application of wireless communication, the demand for high-precision, high-reliability sensing, navigation and tracking systems is increasing. Millimeter wave technology has shown great application potential in the field of wireless communication due to its short wavelength, abundant frequency band resources, high data transmission rate, wide coverage and other characteristics. Millimeter wave technology has significant advantages in data transmission rate and spectral efficiency due to its extremely wide frequency band resources. It is especially suitable for high-speed mobile communication systems and 5G network deployment that requires high bandwidth support. In addition, millimeter wave technology also has high-resolution imaging capability and short signal delay characteristics, so it shows great potential in radar applications;

[0003] The existing traditional millimeter wave antenna design is complex, costly and sensitive to environmental changes. At the same time, radar systems often need to find a balance between high-precision measurement and extensive coverage, making it more difficult to integrate multimodal, and when millimeter wave antennas are used with radar systems, the whole will be damaged due to high temperature, and the practicality is not high. SUMMARY

[0004] The utility model provides a kind of millimeter wave multimode antenna, its purpose is to solve the existing traditional millimeter wave antenna design complex, costly and sensitive to environmental changes;At the same time, radar systems often need to find a balance between high-precision measurement and extensive coverage, leading to more difficult multimodal integration, and when millimeter wave antennas are used with radar systems, the whole will be damaged due to high temperature, and the practicality is not high.

[0005] The utility model embodiment provides a kind of millimeter wave multimode antenna, including die-casting bottom plate, circuit board and antenna plate are arranged in the die-casting bottom plate, discrete radar fuselage is provided on the die-casting bottom plate, radar fairing is provided on the discrete radar fuselage.

[0006] Further, the external portion of the discrete radar fuselage is provided with a plug connector, and the circuit board, the antenna plate and the discrete radar fuselage are electrically connected.

[0007] By adopting the above technical scheme, the circuit board, the antenna plate and the discrete radar fuselage are electrically connected, and are connected with the outside through the plug connector, which facilitates data transmission.

[0008] Furthermore, the die-cast base plate is fixed to the discrete radar body by bolts, and the radar radome is snapped onto the upper surface of the discrete radar body.

[0009] By adopting the above technical solution, the die-cast base plate and the discrete radar body are fixed with bolts, which can greatly improve the overall tightness and prevent loosening. At the same time, the radar radome can protect the discrete radar body and enhance the electromagnetic compatibility of the radar system, ensuring the stability and reliability of the radar system in complex electromagnetic environments.

[0010] Furthermore, the bottom of the die-cast base plate is provided with a through hole, and a grid is arranged in the through hole.

[0011] By adopting the above technical solution, the through holes and grid can enable the die-cast base plate to have good ventilation and heat dissipation, avoiding damage to the circuit board and antenna board caused by excessive internal temperature of the die-cast base plate during long-term operation.

[0012] Furthermore, the die-cast base plate has a first convex edge and a second convex edge on both sides of its bottom. The first convex edge is located below the second convex edge. A first cover plate is hinged to one side wall of the second convex edge. A second cover plate is hinged to the wall of the die-cast base plate located above the second convex edge. The circuit board is placed on the first convex edge, and the antenna plate is placed on the second convex edge.

[0013] By adopting the above technical solution, the circuit board and the antenna board are placed on the first convex edge and the second convex edge respectively, thereby creating a certain gap between the circuit board and the antenna board and improving the overall ventilation and heat dissipation effect.

[0014] Furthermore, the other end of the first cover plate is bolted to the upper surface of the first protruding edge on the other side, and the height of the first cover plate from the first protruding edge is adapted to the circuit board. The other end of the second cover plate is bolted to the upper surface of the second protruding edge on the other side, and the height of the second cover plate and the second protruding edge is adapted to the antenna plate.

[0015] By adopting the above technical solution, the first cover plate and the second cover plate can fix the circuit board and the antenna board on the first convex edge and the second convex edge respectively, so as to prevent the circuit board and the antenna board from becoming loose and greatly improve the overall stability.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. The utility model discloses a die casting bottom plate and the setting of separate radar fuselage, after the die casting bottom plate and separate radar fuselage are fixed through bolt, can provide the fastening degree of whole greatly, avoid loosening, separate radar fuselage can still provide higher flexibility and configurable, make millimeter wave antenna can with radar system can be customized and optimized according to different application scene and demand.

[0018] 2. The utility model discloses the setting of radar fairing, and radar fairing can play the protection effect to separate radar fuselage, can enhance the electromagnetic compatibility of radar system simultaneously, ensure the stability and reliability of radar system in complex electromagnetic environment.

[0019] 3. The utility model discloses the setting of through -hole and grid network, and through -hole and grid network can make the inside of die casting bottom plate have good ventilation and heat dissipation, avoid being in the working state for a long time, and the internal temperature of die casting bottom plate is too high to lead to the damage of circuit board and antenna board.

[0020] 4. The utility model discloses the setting of first flange, second flange, first cover plate and second cover plate, and circuit board and antenna board are placed respectively on first flange and second flange, and then there is certain gap between circuit board and antenna board, improve the ventilation and heat dissipation effect of whole, and first cover plate and second cover plate can fix circuit board and antenna board on first flange and second flange respectively, avoid the loosening condition of circuit board and antenna board, improve the stable degree of whole greatly.

[0021] Other features and advantages of the present utility model will be set forth in the following description of the application, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present utility model. The objects and other advantages of the present utility model can be realized and achieved by the structures particularly pointed out in the description and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model. In the drawings:

[0023] Fig. 1 It is the explosion structure schematic diagram of the utility model embodiment;

[0024] Fig. 2 It is the die casting bottom plate front view cross section structure schematic diagram of the utility model embodiment;

[0025] The symbol: 1, die casting bottom plate;11, through -hole;12, grid network;13, first flange;14, second flange;141, first cover plate;142, second cover plate;2, circuit board;3, antenna board;4, separate radar fuselage;41, plug connector;5, radar fairing. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the technical scheme of the utility model clearer, the technical scheme of the utility model embodiments will be described clearly and completely below in combination with the drawings of the utility model specific embodiments. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] WITH REFERENCE Figs. 1-2 The utility model embodiment proposes a kind of millimeter wave multimodal antenna, including die casting bottom plate 1, circuit board 2 and antenna plate 3 are arranged in die casting bottom plate 1, die casting bottom plate 1 is provided with discrete radar fuselage 4, discrete radar fuselage 4 uses MRR1 PLUS, discrete radar fuselage 4 is provided with radar fairing 5, discrete radar fuselage 4 is equipped with plug connector 41, circuit board 2, antenna plate 3 and discrete radar fuselage 4 are electrically connected, circuit board 2, antenna plate 3 and discrete radar fuselage 4 are electrically connected, and connect with outside point by plug connector 41, it is convenient for the transmission of data, die casting bottom plate 1 and discrete radar fuselage 4 are fixed by bolt, radar fairing 5 and the upper surface of discrete radar fuselage 4 are clamped, after die casting bottom plate 1 and discrete radar fuselage 4 are fixed by bolt, the fastening degree of whole body can be greatly provided, avoid slack, and simultaneously radar fairing 5 can play the role of protection to discrete radar fuselage 4, and simultaneously it can enhance the electromagnetic compatibility of radar system, ensure the stability and reliability of radar system in complex electromagnetic environment.

[0028] WITH REFERENCE Figs. 1-2 The bottom of die casting bottom plate 1 is equipped with through hole 11, grid network 12 is arranged in through hole 11, and through hole 11 and grid network 12 can make the inside of die casting bottom plate 1 have good ventilation and heat dissipation, avoid that the inside temperature of die casting bottom plate 1 is too high to cause circuit board 2 and antenna plate 3 to appear damage under long-term working condition.

[0029] WITH REFERENCE Figs. 1-2The bottom of the die-casting bottom plate 1 is provided with a first flange 13 and a second flange 14 on both sides, the first flange 13 is located below the second flange 14, a first cover plate 141 is hinged on one side wall surface of the second flange 14, a second cover plate 142 is hinged on the wall surface of the side above the second flange 14, the circuit board 2 is placed on the first flange 13, and the antenna board 3 is placed on the second flange 14, the circuit board 2 and the antenna board 3 are placed on the first flange 13 and the second flange 14 respectively, and then there is a certain gap between the circuit board 2 and the antenna board 3, the overall ventilation and heat dissipation effect is improved, the other end of the first cover plate 141 is connected to the upper surface of the other first flange 13 through a bolt, the height of the first cover plate 141 from the first flange 13 is matched with the circuit board 2, the other end of the second cover plate 142 is connected to the upper surface of the other second flange 14 through a bolt, the height of the second cover plate 142 from the second flange 14 is matched with the antenna board 3, the first cover plate 141 and the second cover plate 142 can fix the circuit board 2 and the antenna board 3 on the first flange 13 and the second flange 14 respectively, and the loosening of the circuit board 2 and the antenna board 3 is avoided, and the overall stability is greatly improved.

[0030] In use, the circuit board 2 and the antenna board 3 are placed on the first flange 13 and the second flange 14 respectively, and then the circuit board 2 and the antenna board 3 are covered by the first cover plate 141 and the second cover plate 142 respectively, and the first cover plate 141 and the second cover plate 142 are connected to the first flange 13 and the second flange 14 through bolts, so that the circuit board 2 and the antenna board 3 can be covered below the first cover plate 141 and the second cover plate 142, the fixing effect is realized, the loosening of the circuit board 2 and the antenna board 3 is avoided, the overall stability is improved, the through hole 11 and the grid net 12 at the bottom of the die-casting bottom plate 1 can dissipate heat inside, the die-casting bottom plate 1 has good ventilation and heat dissipation, the die-casting bottom plate 1 is not damaged due to high temperature after long-term work, the discrete radar fuselage 4 is connected to the die-casting bottom plate 1 through threads, and the radar fairing 5 is clamped on the discrete radar fuselage 4, the whole is protected, and the overall fastening degree is improved, the discrete radar fuselage 4 can be used in cooperation with the antenna board 3, the radar fairing 5 can enhance the electromagnetic compatibility of the radar system, ensure the stability and reliability of the radar system in a complex electromagnetic environment, greatly reduce the design requirements and high cost of a single millimeter wave antenna and radar system, and greatly reduce the cost.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A millimeter wave multi-modal antenna, comprising: The application relates to a die-casting bottom plate (1) provided with a circuit board (2) and an antenna board (3), and a separate radar fuselage (4) is arranged on the die-casting bottom plate (1), and a radar fairing (5) is arranged on the separate radar fuselage (4).

2. The millimeter wave multi-modal antenna of claim 1, wherein: The separate radar fuselage (4) is externally provided with a plug connector (41), and the circuit board (2), the antenna board (3) and the separate radar fuselage (4) are electrically connected.

3. The millimeter wave multi-modal antenna of claim 2, wherein: The die-casting bottom plate (1) and the separate radar fuselage (4) are fixed by bolts, and the radar fairing (5) is clamped to the upper surface of the separate radar fuselage (4).

4. The millimeter-wave multi-modal antenna of claim 1, wherein: The bottom of the die-casting bottom plate (1) is provided with a through hole (11), and a grid net (12) is arranged in the through hole (11).

5. The millimeter wave multi-modal antenna of claim 1, wherein: The bottom of the die-casting bottom plate (1) is provided with a first convex edge (13) and a second convex edge (14), the first convex edge (13) is located below the second convex edge (14), a first cover plate (141) is hinged to one side wall surface of the second convex edge (14), a second cover plate (142) is hinged to the wall surface on one side of the die-casting bottom plate (1) above the second convex edge (14), the circuit board (2) is placed on the first convex edge (13), and the antenna board (3) is placed on the second convex edge (14).

6. The millimeter wave multi-modal antenna of claim 5, wherein: The other end of the first cover plate (141) and the upper surface of the first convex edge (13) on the other side are connected by bolts, the height of the first cover plate (141) from the first convex edge (13) is matched with the circuit board (2), the other end of the second cover plate (142) and the upper surface of the second convex edge (14) on the other side are connected by bolts, and the height of the second cover plate (142) from the second convex edge (14) is matched with the antenna board (3).

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