A waterproof and seismic-resistant dual-oscillator array gain antenna for high-vibration scenarios

Abstract

The present invention discloses a waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios, which includes a back cover, a reflector, and an antenna cover. The upper surface of the reflector is connected with a radiation unit, on which there are eight oscillator units arranged in a rectangular array of four rows and two columns. A feeder line is connected between two adjacent oscillator units. A connector is installed at the bottom of the back cover. The oscillator unit includes a first oscillator and a second oscillator which are arranged in opposite directions and at intervals. The first oscillator includes a first oscillator arm, a first support plate, and a metal strip. The second oscillator includes a second oscillator arm and a second support plate. The beneficial effects of the present invention are as follows: The waterproof effect of the antenna is achieved through the back cover, the sealing ring, and the antenna cover. By using the angle design of the reflecting side plate, the directional gain of the antenna is improved. The cooperation of multiple oscillator units and the integrated network enhances the gain of the antenna, reduces the standing wave ratio of the antenna, improves the radiation energy balance, and is firmly fixed and has the characteristic of anti-vibration.

Description

Technical Field

[0001] The present invention relates to the technical field of antennas, and specifically to a waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios. Background Art

[0002] An antenna is a transducer that transforms the guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium, or vice versa. It is a component used in wireless devices to transmit or receive electromagnetic waves. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, and radio astronomy, which rely on electromagnetic waves to transmit information, all work with the help of antennas. A directional antenna refers to an antenna that emits and receives electromagnetic waves particularly strongly in one or several specific directions, while emitting and receiving electromagnetic waves in other directions is zero or extremely small. Directional antennas can increase the effective utilization of radiation power, increase confidentiality, enhance signal strength, and increase anti-interference ability. The reflector of traditional antennas is generally a planar reflector. The beam visibility convergence of antennas using such planar plates is relatively poor, and usually a single oscillator unit is used, and its gain is limited, making it difficult to meet the application requirements. At the same time, the sealing of many antennas is insufficient and they cannot be used in rainwater for a long time. Summary of the Invention

[0003] The purpose of the present invention is to provide a waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios, including a back cover, a reflector, and an antenna cover. The lower surface of the reflector is fixed to the back cover, and the antenna cover is fixed to the upper surface of the emitter plate and is screwed to the back cover. The upper surface of the reflector is connected with a radiation unit, which is provided with eight oscillator units arranged in a rectangular array of four rows and two columns. A feeder line is connected between two adjacent oscillator units. A connector is installed at the bottom of the back cover. The oscillator unit includes a first oscillator and a second oscillator that are opposite and spaced apart. The first oscillator includes a first oscillator arm, a first support plate, and a metal strip. The two first support plates are vertically arranged on both sides of one end of the first oscillator arm. The metal strip is arranged between the two first support plates and is connected to the first oscillator arm. The metal strip is arranged in a dislocation manner with the first support plate. A vertical first feeding piece is provided at the lower end of the metal strip. The second oscillator includes a second oscillator arm and a second support plate. The second support plate is vertically arranged at one end of the second oscillator arm. A vertical second feeding piece is provided at the lower end of the second support plate.

[0005] Further preferably, the reflector comprises a PCB integrated network board with a rectangular structure and reflection side plates. The four reflection side plates are respectively arranged on the four sides of the PCB integrated network board. A plurality of first threaded holes are evenly arranged around the PCB integrated network board. A plurality of mounting holes for fitting and mounting the oscillator unit are provided on the PCB integrated network board. A plurality of second threaded holes are provided around the mounting holes. A through hole is provided in the middle of the CB integrated network board.

[0006] Further preferably, the included angle between each reflection side plate and the PCB integrated network board is 120 degrees.

[0007] Further preferably, the first vibrating arm, the first support plate and the metal strip are designed as an integral structure. One first plug is provided at the lower end of each of the two first support plates. The first plug and the first feeding piece are both plated with solderable nickel.

[0008] Further preferably, the second vibrating arm and the second support plate are designed as an integral structure. Two second plugs are provided at the lower end of the second support plate and are respectively arranged on both sides of the second feeding piece. The second feeding piece and the second plug are both plated with solderable nickel.

[0009] Further preferably, the connector comprises a connector body. A nut is screwed on the connector body. One end of the connector body is provided with a flange. A cable is provided at the flange-end of the connector body.

[0010] Further preferably, a plane is milled on the side of the connector body. The braided part and the conductor part at the end of the cable far from the connector body are both plated with solderable tin.

[0011] Further preferably, the flange is a knurled flange, which is riveted to the reflector. The inner conductor in the cable is welded to the feeding wire.

[0012] Further preferably, sealing rings are provided between the back cover and the reflector, and between the reflector and the radome. The sealing rings are made of silicone rubber rings with a compression height of 1 mm.

[0013] Further preferably, the reflector is made of an aluminum alloy plate with a thickness of 2 mm, and the first oscillator and the second oscillator are both made of stainless steel sheets with a thickness of 0.5 mm.

[0014] Beneficial effects

[0015] The waterproof and seismic double - oscillator array gain antenna for high - vibration scenarios of the present invention achieves the waterproof effect of the antenna through the back cover, sealing ring, and radome. By designing the angle of the reflection side plate, the directional gain of the antenna is improved. The double - oscillators are combined into one oscillator unit, and the cooperation of multiple oscillator units and the integrated network enhances the gain of the antenna, reduces the standing - wave ratio of the antenna, and improves the radiation energy balance. At the same time, the oscillator unit is fixed firmly by welding. The threaded holes, through - holes, mounting holes, connection holes, and connection gaps on the back cover and radome are all filled with silica gel, which not only enhances the firmness of the connection but also has the characteristics of waterproofing and anti - vibration, being beneficial for applications in high - vibration scenarios such as rail transit and vehicle - to - everything (V2X). BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic exploded view of the directional antenna disclosed in the embodiment of the present invention;

[0017] Figure 2 It is a schematic structural view of the reflector disclosed in the embodiment of the present invention;

[0018] Figure 3 It is a schematic structural view of the first oscillator disclosed in the embodiment of the present invention;

[0019] Figure 4 It is a schematic structural view of the second oscillator disclosed in the embodiment of the present invention;

[0020] Figure 5 It is a schematic structural view of the connector disclosed in the embodiment of the present invention.

[0021] REFERENCE NUMERALS

[0022] 1 - Back cover, 2 - Sealing ring, 3 - Reflector, 31 - PCB integrated network board, 32 - Reflection side plate, 33 - First threaded hole, 34 - Second threaded hole, 35 - Through - hole, 36 - Mounting hole, 4 - Radiation unit, 5 - Oscillator unit, 51 - First oscillator, 511 - First oscillator arm, 512 - First support plate, 513 - Metal strip, 514 - First plug, 515 - First feeding piece, 52 - Second oscillator, 521 - Second oscillator arm, 522 - Second support plate, 523 - Second feeding piece, 524 - Second plug, 6 - Radome, 61 - Threaded cap, 7 - First screw, 8 - Connector, 81 - Connector body, 82 - Nut, 83 - Flange, 84 - Cable, 841 - Braided part, 842 - Conductor part, 9 - Second screw, 10 - Feeding wire. DETAILED DESCRIPTION OF THE INVENTION

[0023] The following are specific embodiments of the present invention in combination with the drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0024] Embodiment

[0025] As shown Figures 1-5 in the figure, a waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios includes a back cover 1, a reflector 3, and an antenna cover 6. The lower surface of the reflector 3 is fixed to the back cover 1, and the antenna cover 6 is fixed to the upper surface of the emitter plate 3 and is screwed to the back cover 1. A radiation unit 4 is connected to the upper surface of the reflector 3, and eight oscillator units 5 arranged in a rectangular array of four rows and two columns are provided thereon. A feeder line 10 is connected between two adjacent oscillator units 5. A connector 8 is installed at the bottom of the back cover 1. The oscillator unit 5 includes a first oscillator 51 and a second oscillator 52 that are opposite and spaced apart. The first oscillator 51 includes a first oscillator arm 511, a first support plate 512, and a metal strip 513. The two first support plates 512 are vertically arranged on both sides of one end of the first oscillator arm 511. The metal strip 513 is arranged between the two first support plates 512 and is connected to the first oscillator arm 511. The metal strip 513 is arranged in a staggered manner with the first support plate 512. A vertical first feeding piece 515 is provided at the lower end of the metal strip 513. The second oscillator 52 includes a second oscillator arm 521 and a second support plate 522. The second support plate 522 is vertically arranged at one end of the second oscillator arm 521. A vertical second feeding piece 523 is provided at the lower end of the second support plate 522.

[0026] In this application, the back cover 1, the reflector 3, and the antenna cover 6 are locked by a first screw 7. The first screw 7 passes through a first threaded hole 33 on the emitter plate 3 and is locked into a threaded cap 61. There are twelve first threaded holes 33 in this embodiment, and twelve first screws 7 are correspondingly installed to ensure the tight sealing between the back cover 1, the reflector 3, and the antenna cover 6. Both the back cover 1 and the antenna cover 6 are concave-shaped shells, which form upper and lower space cavities with the reflector 3 to provide installation space for each device on the reflector 3. The conductor part 842 of the cable 84 of the connector 8 is welded to the feeder line 10, and the braided part 841 is welded to the PCB integrated network board 31 to form a complete antenna structure, which is simple in structure and has good anti-vibration effect.

[0027] Preferably, the reflector 3 includes a PCB integrated network board 31 with a rectangular structure and reflector side plates 32. The four reflector side plates 32 are respectively arranged on the four sides of the PCB integrated network board 31. A plurality of uniformly arranged first threaded holes 33 are provided around the PCB integrated network board 31. A plurality of mounting holes 36 for fitting and installing the oscillator unit 5 are provided on the PCB integrated network board 31. A plurality of second threaded holes 34 are provided around the mounting holes 36. A through hole 35 is provided in the middle of the PCB integrated network board 31.

[0028] Among them, there are six second threaded holes 33 for fixing the radiation unit 4 by mating with second screws 9. The through holes 36 are for the conductor part 842 of the cable 84 to pass through, facilitating the fixing of the cable 84. The mounting holes 36 are for mounting the oscillator unit 5. Every four mounting holes 36 form a group, and there are eight groups in total for the installation and insertion of the first plug 514 and the second plug 524, achieving the precise installation of the oscillator unit 5.

[0029] Preferably, the included angle between each of the reflection side plates 32 and the PCB integrated network board 31 is 120 degrees, which can improve the gain by 2 dB.

[0030] Preferably, the first vibrating arm 511, the first support plate 512, and the metal strip 513 are integrally structured. A first plug 514 is provided at the lower end of each of the two first support plates 512. Both the first plug 514 and the first feeding piece 515 are plated with solderable nickel. The first oscillator 51 is fixed to the radiation unit 4 by soldering nickel, with firm welding and characteristics of corrosion resistance, heat resistance, and low resistivity.

[0031] Preferably, the second vibrating arm 521 and the second support plate 522 are integrally structured. Two second plugs 524 are provided at the lower end of the second support plate 522 and are respectively located on both sides of the second feeding piece 523. Both the second feeding piece 523 and the second plug 524 are plated with solderable nickel, facilitating the fixing of the second oscillator 52.

[0032] Preferably, the connector 8 includes a connector body 81. A nut 82 is screwed onto the connector body 81. One end of the connector body 81 is provided with a flange 83. A cable 84 is provided at the end of the connector body 81 close to the flange 83. The connector 8 can be firmly fixed by the nut 82 and the flange 83, and the installation is convenient.

[0033] Preferably, a plane is milled on the side of the connector body 81, which has an anti - misinsertion effect. Both the braided part 841 and the conductor part 842 at the end of the cable 84 far from the connector body 81 are plated with solderable tin, facilitating the welding of the cable 84.

[0034] Preferably, the flange 83 is a knurled flange, which is riveted to the reflector 3, ensuring no gap between the flange 83 and the reflector 3 and guaranteeing the sealing performance of the antenna. The inner conductor in the cable 84 is welded to the feeder line 10, ensuring the tightness of the connection between the cable 84 and the feeder line 10.

[0035] Preferably, sealing rings 2 are provided between the back cover 1 and the reflector 3, and between the reflector 3 and the radome 6. The sealing ring 2 is a silicone rubber ring with a compression height of 1 mm, having good sealing performance, which can prevent water from seeping in, has a good protective effect on the antenna, and increases the service life of the antenna.

[0036] Preferably, the reflector 3 is made of an aluminum alloy plate with a thickness of 2 mm, which has excellent electrical conductivity and thermal conductivity, and at the same time reduces the overall weight of the antenna; the first oscillator 51 and the second oscillator 52 are both made of stainless steel sheets with a thickness of 0.5 mm to improve the robustness of the first oscillator 51 and the second oscillator 52.

[0037] In this application, the first screw 7 connecting the back cover 1, the reflector 3 and the radome 6 is a stainless steel self-tapping screw, which ensures that the multiple oscillator units 5 inside the reflector 3 are not affected by external forces and guarantees the reliability of the antenna performance.

[0038] In this application, the oscillator unit 5 adopts a symmetric structure design arranged in a rectangular array, so that the antenna has the characteristics of vertical polarization and horizontal polarization to achieve polarization matching and receive all energy.

[0039] In this application, the first oscillator 51 and the second oscillator 52 form an oscillator unit 5, and eight of the oscillator units 5 form a rectangular array and cooperate with the PCB integrated network board 31, which improves the gain of the antenna, reduces the standing wave ratio of the antenna, and improves the radiation energy balance. The four reflecting side plates 32 and the PCB integrated network board 31 are integrally designed and seamlessly connected to form a reflecting cavity. At the same time, the inner surface of the reflecting cavity forms a continuous reflecting surface, which improves the convergence of the beam of the antenna with oscillator units arranged in an array. The first threaded hole 33, the second threaded hole 34, the through hole 35, the mounting hole 36, and the connection holes and connection gaps on the back cover 1 and the radome 6 are all filled with silicone to enhance the anti-seismic characteristics of the antenna and at the same time have a waterproof effect, which is beneficial for applications in high-vibration scenarios such as rail transit and vehicle networking.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios, characterized in that: It includes a rear cover (1), a reflector (3), and a radome (6). The lower surface of the reflector (3) is fixed to the rear cover (1). The radome (6) is fixed to the upper surface of the reflector (3) and is screwed to the rear cover (1). A radiation unit (4) is connected to the upper surface of the reflector (3), and eight oscillator units (5) arranged in a rectangular array of four rows and two columns are provided thereon. A feeder line (10) is connected between two adjacent oscillator units (5). A connector (8) is installed at the bottom of the rear cover (1). The oscillator unit (5) includes a first oscillator (51) and a second oscillator (52) which are arranged in opposite directions and spaced apart. The first oscillator (51) includes a first oscillator arm (511), a first support plate (512), and a metal strip (513). Two first support plates (512) are vertically arranged on both sides of one end of the first oscillator arm (511). The metal strip (513) is arranged between the two first support plates (512) and is connected to the first oscillator arm (511). The metal strip (513) is arranged in a staggered manner with the first support plate (512). A vertical first feed piece (515) is provided at the lower end of the metal strip (513). The second oscillator (52) includes a second oscillator arm (521) and a second support plate (522). The second support plate (522) is vertically arranged at one end of the second oscillator arm (521). A vertical second feed piece (523) is provided at the lower end of the second support plate (522). The first oscillator arm (511), the first support plate (512), and the metal strip (513) are designed as an integral structure. A first plug (514) is provided at the lower end of each of the two first support plates (512). The first plug (514) and the first feed piece (515) are both plated with solderable nickel. The second oscillator arm (521) and the second support plate (522) are designed as an integral structure. Two second plugs (524) are provided at the lower end of the second support plate (522) and are disposed on both sides of the second feed piece (523). The second feed piece (523) and the second plug (524) are both plated with solderable nickel.

2. The waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios according to claim 1, wherein: The reflector (3) includes a PCB integrated network board (31) with a rectangular structure and reflector side plates (32). The four reflector side plates (32) are respectively disposed on the four sides of the PCB integrated network board (31). A plurality of first threaded holes (33) are uniformly arranged around the PCB integrated network board (31). A plurality of mounting holes (36) for fitting and installing the oscillator units (5) are provided on the PCB integrated network board (31). A plurality of second threaded holes (34) are provided around the mounting holes (36). A through hole (35) is provided in the middle of the PCB integrated network board (31).

3. The waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios according to claim 2, wherein: The included angle between each reflector side plate (32) and the PCB integrated network board (31) is 120 degrees.

4. A waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios according to claim 1, characterized in that: The connector (8) includes a connector body (81), on which a nut (82) is screwed, a flange (83) is provided at one end of the connector body (81), and a cable (84) is provided at the end of the connector body (81) close to the flange (83).

5. The waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios according to claim 4, wherein: A plane is milled on the side of the connector body (81), and both the braided part (841) and the conductor part (842) at the end of the cable (84) far from the connector body (81) are plated with solderable tin.

6. The waterproof and earthquake-resistant double-oscillator array gain antenna for high-vibration scenarios according to claim 5, characterized in that: The flange (83) is a knurled flange, which is riveted to the reflector (3), and the inner conductor in the cable (84) is welded to the feeder line (10).

7. A waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios according to claim 1, characterized in that: Sealing rings (2) are provided between the rear cover (1) and the reflector (3), and between the reflector (3) and the radome (6). The sealing rings (2) are made of silicone rubber rings with a compression height of 1 mm.

8. A waterproof and earthquake-resistant dual-oscillator array gain antenna for high-vibration scenarios, characterized in that: The reflector (3) is made of an aluminum alloy plate with a thickness of 2 mm, and both the first oscillator (51) and the second oscillator (52) are made of stainless steel sheets with a thickness of 0.5 mm.

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