Antenna device

Abstract

The utility model relates to an antenna device which comprises an antenna housing, one side of the antenna housing is provided with an antenna base plate, one side of the antenna base plate is provided with a connector, and the interior of the connector is connected with a first screw. According to the antenna device, the feed microstrip board is arranged and is formed by welding the two layers of PCBs, and the two feed microstrip boards are welded together, so that a feed cavity of the antenna can be realized, waveguide slot array links are reduced, and the antenna device has higher practicability and economical efficiency and is suitable for production, popularization and use; the feed microstrip plate, the tetrafluoroethylene pad and the transmitting microstrip plate can be connected through the probe, the second screw can penetrate through the feed microstrip plate, the pad and the transmitting microstrip plate and is in threaded connection with the antenna bottom plate, and the connector, the antenna bottom plate and the antenna housing can be connected through the first screw, so that the disassembly and assembly time can be effectively shortened, and the disassembly and assembly efficiency is improved. The production process is simplified, the economical efficiency of the antenna structure is improved, and the antenna has the advantage of being convenient to process.

Description

Technical Field

[0001] The utility model relates to the technical field of antenna communication equipment manufacturing, in particular to an antenna device. Background Art

[0002] At present, antennas are widely used in the fields of radio communication, radar, navigation and electronic countermeasures. Microstrip antennas are often used in vehicle-mounted equipment. The antenna is composed of a feeding part and a transmitting part. The existing technology for the feeding part generally uses a waveguide slot array.

[0003] However, the waveguide slot array method not only has high processing requirements but also is not very economical. Therefore, in order to solve the shortcomings of the prior art and achieve the purpose of facilitating the processing of the antenna, an antenna device is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an antenna device, which has the advantage of being easy to process and solves the problems of high processing requirements and low economic efficiency.

[0005] In order to achieve the purpose of facilitating the processing of the above antenna, the utility model provides the following technical solution: an antenna device, comprising an antenna cover, an antenna bottom plate is arranged on one side of the antenna cover, a connector is arranged on one side of the antenna bottom plate, and a first screw is connected inside the connector;

[0006] A feeding microstrip board is arranged inside the antenna cover, a pad is arranged on one side of the feeding microstrip board, a polytetrafluoroethylene pad is connected inside the pad, a transmitting microstrip board is arranged on one side of the pad, the feeding microstrip board, the polytetrafluoroethylene pad and the transmitting microstrip board are all connected inside with probes, the feeding microstrip board, the pad and the transmitting microstrip board are all connected inside with a second screw, a polytetrafluoroethylene column is arranged inside the antenna cover, and one end of the polytetrafluoroethylene column is connected to a reflecting microstrip board;

[0007] The feeding microstrip board is provided with mounting holes and metal holes inside, an input feeding point and a transmitting feeding point are arranged on one side of the feeding microstrip board, and a feeding microstrip line is arranged on one side of the feeding microstrip board.

[0008] Furthermore, the antenna base plate is located between the antenna cover and the connector, and the first screw is threadedly connected to the connector, the antenna base plate and the antenna cover.

[0009] Furthermore, the feeding microstrip board is attached to the antenna bottom plate, the number of the feeding microstrip boards is two, the diameter of the metal hole is 0.5 mm, and the metal hole is located outside the feeding microstrip line.

[0010] Furthermore, the pad is located between the feeding microstrip board and the transmitting microstrip board, the transmitting microstrip board is located at one end of the feeding microstrip board, and the length of the pad is consistent with the length of the transmitting microstrip board.

[0011] Furthermore, the second screw passes through the feeding microstrip board, the spacer block and the transmitting microstrip board, and the second screw is threadedly connected to the antenna bottom plate.

[0012] Furthermore, the polytetrafluoroethylene column is connected to the antenna bottom plate, and the reflective microstrip plate is located at one end of the polytetrafluoroethylene column away from the antenna bottom plate.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The antenna device is provided with a feeding microstrip board, which is formed by welding two layers of PCB. By welding the two feeding microstrip boards together, the feeding cavity of the antenna can be realized, the waveguide slot array link is reduced, the antenna device has higher practicality and economy, and is suitable for production and popularization.

[0015] The antenna device can connect the feeding microstrip plate, the tetrafluoroethylene pad and the transmitting microstrip plate through the probe, penetrate the feeding microstrip plate, the pad and the transmitting microstrip plate and be threadedly connected with the antenna bottom plate through the second screw, and connect the connector, the antenna bottom plate and the antenna cover through the first screw, thereby effectively shortening the disassembly and assembly time, simplifying the production process and improving the economy of the antenna structure. The overall structure is simple, saving the research and development cost and processing and manufacturing cost of the antenna, having good maintenance performance, and having the advantage of easy processing of the antenna. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the feeding microstrip plate of the utility model.

[0019] In the figure: 1. antenna cover; 101. feeding microstrip plate; 111. mounting hole; 112. metal hole; 113. input feeding point; 114. transmitting feeding point; 115. feeding microstrip line; 102. pad; 103. polytetrafluoroethylene pad; 104. transmitting microstrip; 105. probe; 106. second screw; 107. polytetrafluoroethylene column; 108. reflecting microstrip plate; 2. antenna base plate; 3. connector; 4. first screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 In the present embodiment, an antenna device comprises an antenna cover 1, a feeding microstrip plate 101 is arranged inside the antenna cover 1, a mounting hole 111 and a metal hole 112 are opened inside the feeding microstrip plate 101, an input feeding point 113 and a transmitting feeding point 114 are arranged on one side of the feeding microstrip plate 101, a feeding microstrip line 115 is arranged on one side of the feeding microstrip plate 101, a pad 102 is arranged on one side of the feeding microstrip plate 101, a polytetrafluoroethylene pad 103 is connected inside the pad 102, and a transmitting The microstrip plate 104, the feeding microstrip plate 101, the polytetrafluoroethylene pad 103 and the transmitting microstrip plate 104 are all connected with a probe 105, the feeding microstrip plate 101, the pad 102 and the transmitting microstrip plate 104 are all connected with a second screw 106, a polytetrafluoroethylene column 107 is arranged inside the antenna cover 1, one end of the polytetrafluoroethylene column 107 is connected with a reflecting microstrip plate 108, an antenna base plate 2 is arranged on one side of the antenna cover 1, a connector 3 is arranged on one side of the antenna base plate 2, and the inside of the connector 3 is connected with a first screw 4.

[0022] In the case implementation, the antenna base plate 2 is located between the antenna cover 1 and the connector 3, and the first screw 4 is threadedly connected to the connector 3, the antenna base plate 2 and the antenna cover 1, which can effectively shorten the disassembly and assembly time and simplify the production process.

[0023] In the case implementation, the feeding microstrip board 101 is bonded to the antenna base plate 2. There are two feeding microstrip boards 101. The feeding microstrip boards 101 are welded by two layers of PCB. By welding the two feeding microstrip boards 101 together, the feeding cavity of the antenna can be realized. The diameter of the metal hole 112 is 0.5 mm. The metal hole 112 is located on the outside of the feeding microstrip line 115. A protective cavity is formed by the metal hole 112.

[0024] In the case implementation, the pad 102 is located between the feed microstrip plate 101 and the transmit microstrip plate 104, the transmit microstrip plate 104 is located at one end of the feed microstrip plate 101, the length of the pad 102 is consistent with the length of the transmit microstrip plate 104, the second screw 106 passes through the feed microstrip plate 101, the pad 102 and the transmit microstrip plate 104, the second screw 106 is threadedly connected to the antenna base plate 2, the polytetrafluoroethylene column 107 is connected to the antenna base plate 2, and the reflection microstrip plate 108 is located at one end of the polytetrafluoroethylene column 107 away from the antenna base plate 2.

[0025] When implementing, follow these steps:

[0026] 1) First, the feeding microstrip plate 101, the tetrafluoroethylene pad 103 and the transmitting microstrip plate 104 are connected through the probe 105;

[0027] 2) Then, the second screw 106 penetrates the feeding microstrip board 101, the spacer 102 and the transmitting microstrip board 104 and is threadedly connected to the antenna bottom plate 2;

[0028] 3) Connect the reflective microstrip plate 108 to one end of the polytetrafluoroethylene column 107;

[0029] 4) Finally, the antenna cover 1, the antenna base plate 2 and the connector 3 are connected by the first screw 4.

[0030] In summary, the antenna device can connect the feeding microstrip board 101, the tetrafluoroethylene pad 103 and the transmitting microstrip board 104 through the probe 105, and can penetrate the feeding microstrip board 101, the pad 102 and the transmitting microstrip board 104 and be threadedly connected to the antenna base plate 2 through the second screw 106, and the connector 3, the antenna base plate 2 and the antenna cover 1 can be connected through the first screw 4, thereby effectively shortening the disassembly and assembly time and simplifying the production process.

[0031] In addition, the feeding microstrip board 101 is formed by welding two layers of PCB. There are two feeding microstrip boards 101. By welding the two feeding microstrip boards 101 together, the feeding cavity of the antenna can be realized. A feeding microstrip line 115 is provided on one side of the feeding microstrip board 101. The metal hole 112 is located on the outside of the feeding microstrip line 115. The diameter of the metal hole 112 is 0.5 mm. A protective cavity is formed by the metal hole 112, thereby simplifying the production process, shortening the disassembly and assembly time, and improving the economy of the antenna structure.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antenna device, comprising a radome (1), characterized in that: An antenna base plate (2) is provided on one side of the antenna cover (1), a connector (3) is provided on one side of the antenna base plate (2), and a first screw (4) is connected inside the connector (3); A feeding microstrip plate (101) is arranged inside the antenna cover (1), a pad (102) is arranged on one side of the feeding microstrip plate (101), a tetrafluoroethylene pad (103) is connected inside the pad (102), a transmitting microstrip plate (104) is arranged on one side of the pad (102), the feeding microstrip plate (101), the tetrafluoroethylene pad (103) and the transmitting microstrip plate (104) are all connected inside with a probe (105), the feeding microstrip plate (101), the pad (102) and the transmitting microstrip plate (104) are all connected inside with a second screw (106), a polytetrafluoroethylene column (107) is arranged inside the antenna cover (1), and one end of the polytetrafluoroethylene column (107) is connected to a reflecting microstrip plate (108); The feeding microstrip plate (101) is provided with a mounting hole (111) and a metal hole (112) inside, an input feeding point (113) and a transmission feeding point (114) are provided on one side of the feeding microstrip plate (101), and a feeding microstrip line (115) is provided on one side of the feeding microstrip plate (101).

2. The antenna device according to claim 1, characterized in that: The antenna base plate (2) is located between the antenna cover (1) and the connector (3), and the first screw (4) is threadedly connected to the connector (3), the antenna base plate (2) and the antenna cover (1).

3. The antenna device according to claim 1, characterized in that: The feeding microstrip plate (101) is bonded to the antenna bottom plate (2), the number of the feeding microstrip plates (101) is two, the diameter of the metal hole (112) is 0.5 mm, and the metal hole (112) is located outside the feeding microstrip line (115).

4. The antenna device according to claim 1, characterized in that: The pad (102) is located between a feeding microstrip plate (101) and a transmitting microstrip plate (104), the transmitting microstrip plate (104) is located at one end of the feeding microstrip plate (101), and the length of the pad (102) is consistent with the length of the transmitting microstrip plate (104).

5. The antenna device according to claim 1, characterized in that: The second screw (106) passes through the feeding microstrip plate (101), the cushion block (102) and the transmitting microstrip plate (104), and the second screw (106) is threadedly connected to the antenna bottom plate (2).

6. The antenna device according to claim 1, characterized in that: The polytetrafluoroethylene column (107) is connected to the antenna bottom plate (2), and the reflection microstrip plate (108) is located at one end of the polytetrafluoroethylene column (107) away from the antenna bottom plate (2).

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