Integrated multifunctional air dielectric antenna

Abstract

The utility model discloses an integrated multifunctional air dielectric antenna, which is sequentially provided with a communication antenna circuit board, a positioning antenna circuit board, an antenna substrate and a module substrate from top to bottom, a communication antenna radiating surface is arranged on one side, far away from the positioning antenna circuit board, of the communication antenna circuit board, and an antenna feeding point is arranged at the center of the communication antenna circuit board; the antenna feeding point is provided with one end of a communication antenna probe, a plurality of first fixing through holes are distributed around the antenna feeding point, and first fixing screws are installed in the first fixing through holes. The utility model discloses an integrated multifunctional air dielectric antenna, and provides the integrated multifunctional air dielectric antenna which is light in weight and integrates satellite signal module processing capability aiming at constraints in multiple aspects of the prior art, the structure and the like, and the integrated multifunctional air dielectric antenna can be used in an environment requiring light, high-performance multimode positioning and signal processing.

Description

Technical Field

[0001] The utility model belongs to the technical field of antennas, and in particular relates to an integrated multifunctional air dielectric antenna. Background Art

[0002] Currently, most multifunctional positioning and communication combination antennas are primarily based on the positioning antenna, with the communication antenna positioned at the edge of the positioning antenna's dielectric. These antennas are often constructed of high-frequency plastic, resulting in significant overall weight, bulk, and cost. Positioning and communication antennas are often constructed with a positioning antenna plus RF circuitry and a single communication antenna. These antennas only provide satellite signal reception and communication capabilities, lacking the processing capabilities of satellite and communication modules. Conventional satellite and communication modules require a large antenna substrate, making integration difficult. Forced integration can lead to increased antenna substrate size or interference with the RF circuitry.

[0003] Therefore, further improvements are made to the above problems. Utility Model Content

[0004] The main purpose of this utility model is to provide a lightweight, integrated multifunctional air dielectric antenna with integrated satellite signal module processing capabilities, in response to the various constraints of the above-mentioned existing technologies and structures, which can be used in environments requiring lightweight, high-performance multi-mode positioning and signal processing.

[0005] To achieve the above objectives, the present invention provides an integrated multifunctional air dielectric antenna, which is provided with a communication antenna circuit board, a positioning antenna circuit board, an antenna substrate, and a module substrate in order from top to bottom, wherein:

[0006] A communication antenna radiation surface is provided on a side of the communication antenna circuit board away from the positioning antenna circuit board, and an antenna feeding point is provided at the center of the communication antenna circuit board, one end (top end) of a communication antenna probe is installed on the antenna feeding point, and a plurality of first fixing through holes are distributed around the antenna feeding point, and first fixing screws are installed in the first fixing through holes;

[0007] A ring-shaped positioning antenna radiation surface is provided on the side of the positioning antenna circuit board close to the communication antenna circuit board, and a feeding coupling surface is provided on the side away from the antenna circuit board. A communication antenna probe through hole is provided at the center of the positioning antenna circuit board, and a plurality of second fixing through holes and a plurality of positioning antenna probe copper-clad via holes are distributed around the communication antenna probe through hole. Each of the positioning antenna probe copper-clad via holes is installed with one end (top end) of a positioning antenna probe. A plurality of metal fixing nut columns are also provided around the positioning wire circuit board. The positioning antenna circuit board is provided with a plurality of spacing columns, the first fixing screw is connected to the top end (screw hole end) of the spacing column, and the bottom end (threaded end) of the spacing column passes through the second fixing through hole and is connected with a nut (fixing the communication wire circuit board and the positioning antenna circuit board).

[0008] The antenna substrate is provided with a plurality of copper-clad through-holes and a plurality of module substrate mounting holes. The second fixing screw passes through the corresponding copper-clad through-holes and is installed on the metal fixing nut column (fixing the antenna substrate and the positioning antenna circuit board). The other end of the communication antenna probe passes through the communication antenna probe through-hole and is installed on the antenna substrate. The other end of the positioning antenna probe is installed on the antenna substrate.

[0009] The module substrate is mounted on the module substrate mounting hole by a third fixing screw (fixing the module substrate and the antenna substrate), and the module substrate is provided with a communication module, a positioning module and a multi-pin needle interface.

[0010] As a further preferred technical solution of the above technical solution, each metal fixing nut column is connected to a low-frequency coupling microstrip line.

[0011] As a further preferred technical solution of the above technical solution, the antenna substrate is further provided with a plurality of position mounting holes (for mounting the entire dielectric antenna at a preset position).

[0012] As a further preferred technical solution of the above technical solution, a side of the module substrate away from the antenna substrate is covered with a shielding cover.

[0013] As a further preferred technical solution of the above technical solution, the communication antenna circuit board, the positioning antenna circuit board and the antenna substrate are circular.

[0014] The beneficial effects of the present invention are:

[0015] The beneficial effects that can be achieved by the present invention are: the PCB board and air dielectric layer made of FR4 material are used as a whole to meet the lightweight requirements; the positioning antenna can effectively expand the bandwidth and improve the antenna gain through coupled feeding and low-frequency coupling adjustment; insulating firmware is used between the communication antenna and the positioning antenna to effectively reduce the problem of excessive antenna frequency deviation caused by external factors; the positioning module, communication module and signal processing circuit patch are welded on the module substrate and integrated on the bottom surface of the antenna substrate through metal firmware. A very small air gap is reserved between the antenna substrate and the module substrate, and the area projected by the module substrate on the antenna substrate completely covers the RF circuit part, which effectively solves the problems such as the integration of the positioning module and the communication module on the antenna substrate causing the antenna substrate to increase in size or interference in the RF circuit. A shielding cover is further installed on the antenna substrate and the module substrate to further prevent external signal interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of an integrated multifunctional air dielectric antenna of the present utility model.

[0017] Figure 2 This is a structural diagram of an integrated multifunctional air dielectric antenna of the present utility model.

[0018] Figure 3 This is a structural diagram of an integrated multifunctional air dielectric antenna of the present utility model.

[0019] Figure 4 This is a structural diagram of an integrated multifunctional air dielectric antenna of the present utility model.

[0020] Figure 5 This is a structural diagram of an integrated multifunctional air dielectric antenna of the present utility model.

[0021] Figure 6 This is a structural schematic diagram of a communication antenna circuit board of an integrated multifunctional air dielectric antenna of the present utility model.

[0022] The figure marks include: 100, communication antenna circuit board; 110, communication antenna radiation surface; 120, antenna feeding point; 130, communication antenna probe; 140, first fixing through hole; 150, first fixing screw; 200, positioning antenna circuit board; 210, positioning antenna radiation surface; 220, feeding coupling surface; 230, communication antenna probe through hole; 240, second fixing through hole; 250, positioning antenna probe copper-clad via; 260, positioning antenna probe; 270, metal fixing nut column; 271, low-frequency coupled microstrip line; 280, spacing column; 290, nut; 300, antenna substrate; 310, copper-clad via; 320, module substrate mounting hole; 330, second fixing screw; 340, position mounting hole; 400, module substrate; 410, third fixing screw; 420, communication module; 430, positioning module; 440, interface; 450, shielding cover. DETAILED DESCRIPTION

[0023] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0024] The utility model discloses an integrated multifunctional air dielectric antenna. The specific embodiments of the utility model will be further described below in conjunction with preferred embodiments.

[0025] In the embodiments of the present invention, those skilled in the art will note that the preset positions and the like involved in the present invention may be regarded as prior art.

[0026] Preferred embodiment.

[0027] like Figure 1-6 As shown, the utility model discloses an integrated multifunctional air dielectric antenna, which is provided with a communication antenna circuit board 100, a positioning antenna circuit board 200, an antenna substrate 300 and a module substrate 400 from top to bottom, wherein:

[0028] A communication antenna radiation surface 110 is provided on a side of the communication antenna circuit board 100 away from the positioning antenna circuit board 200, and an antenna feeding point 120 is provided at the center of the communication antenna circuit board 100. One end (top end) of a communication antenna probe 130 is installed on the antenna feeding point 120, and a plurality of first fixing through holes 140 are distributed around the antenna feeding point 120. The first fixing through holes 140 are installed with (insulated) first fixing screws 150;

[0029] The positioning antenna circuit board 200 is provided with a ring-shaped positioning antenna radiation surface 210 on the side close to the communication antenna circuit board 100 and a feeding coupling surface 220 on the side away from the antenna circuit board 100. A communication antenna probe through hole 230 is provided at the center of the positioning antenna circuit board 200, and a plurality of second fixing through holes 240 and a plurality of positioning antenna probe copper-clad vias 250 are distributed around the communication antenna probe through hole 230. Each of the positioning antenna probe copper-clad vias 250 is installed with one end (top end) of the positioning antenna probe 20. A plurality of metal fixing nut columns 270 are also provided around the positioning wire circuit board 200; the positioning antenna circuit board 200 is provided with a plurality of spacing columns 280, the first fixing screw 150 is connected to the top end (screw hole end) of the spacing column 280, and the bottom end (threaded end) of the (insulating) spacing column 280 passes through the second fixing through hole 240 and is connected with an (insulating) nut 290 (fixing the communication wire circuit board and the positioning antenna circuit board);

[0030] The antenna substrate 300 is provided with a plurality of copper-clad vias 310 and a plurality of module substrate mounting holes 320. The second fixing screw 330 passes through the corresponding copper-clad vias 310 and is installed on the metal fixing nut column 270 (fixing the antenna substrate and the positioning antenna circuit board). The other end of the communication antenna probe 130 passes through the communication antenna probe through-hole 230 and is installed on the antenna substrate 300. The other end of the positioning antenna probe 260 is installed on the antenna substrate 300.

[0031] The module substrate 400 is mounted on the module substrate mounting hole 320 by a third fixing screw 410 (fixing the module substrate and the antenna substrate). The module substrate 400 is provided with a communication module 420 , a positioning module 430 and a multi-pin interface 440 .

[0032] Specifically, each metal fixing nut column 270 is connected to a low-frequency coupling microstrip line 271 .

[0033] More specifically, the antenna substrate 300 is further provided with a plurality of position mounting holes 340 (for mounting the entire dielectric antenna at a preset position).

[0034] Furthermore, a side of the module substrate 400 away from the antenna substrate 300 is covered with a shielding cover 450 .

[0035] Furthermore, the communication antenna circuit board 100 , the positioning antenna circuit board 200 and the antenna substrate 300 are circular.

[0036] For this utility model:

[0037] Antenna circuit board, made of FR4 material, equipped with positioning antenna and communication antenna;

[0038] The antenna substrate is made of FR4 material and carries the antenna circuit board, RF circuit, and module substrate;

[0039] The module substrate is made of FR4 material and is equipped with a positioning module, a communication module and a signal processing circuit;

[0040] The positioning module is soldered on the bottom surface of the module substrate using the patch process;

[0041] The communication module is soldered on the bottom surface of the module substrate using the patch process.

[0042] Both the positioning antenna and the communication antenna use FR4 PCB as the circuit board with the antenna radiation surface. The communication antenna uses a single-sided copper-clad PCB circuit board with the radiation surface located on the top surface. The positioning antenna uses a double-sided copper-clad PCB circuit board with the radiation surface and low-frequency coupling microstrip line located on the top surface, and the coupling feeding surface is located on the bottom surface. The antenna substrate uses a double-sided copper-clad PCB board with the RF circuit located on the bottom surface. The module substrate uses a double-sided copper-clad PCB board with the positioning module and communication module located on the bottom surface. The area projected by the module substrate on the antenna substrate completely covers the RF circuit part. There is an air dielectric layer of a certain height between the communication antenna and the positioning antenna, and between the positioning antenna and the antenna substrate. The communication antenna and the positioning antenna are fixed by insulating screws and studs, and the positioning antenna and the antenna substrate, as well as the antenna substrate and the module substrate, are fixed by metal screws and studs. The overall antenna signal is input and output through the multi-pin interface on the module substrate.

[0043] It is worth mentioning that the technical features such as the preset position involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional options in the field and should not be regarded as the invention point of this utility model patent. This utility model patent will not be further elaborated.

[0044] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. An integrated multifunctional air dielectric antenna, characterized in that: From top to bottom, there are communication antenna circuit board, positioning antenna circuit board, antenna substrate and module substrate, among which: A communication antenna radiation surface is provided on a side of the communication antenna circuit board away from the positioning antenna circuit board, and an antenna feeding point is provided at the center of the communication antenna circuit board, one end of a communication antenna probe is installed on the antenna feeding point, and a plurality of first fixing through holes are distributed around the antenna feeding point, wherein first fixing screws are installed in the first fixing through holes; A ring-shaped positioning antenna radiation surface is provided on the side of the positioning antenna circuit board close to the communication antenna circuit board, and a feeding coupling surface is provided on the side away from the antenna circuit board. A communication antenna probe through hole is provided at the center of the positioning antenna circuit board, and a plurality of second fixing through holes and a plurality of positioning antenna probe copper-clad via holes are distributed around the communication antenna probe through hole. One end of a positioning antenna probe is installed in each of the positioning antenna probe copper-clad via holes. A plurality of metal fixing nut columns are also provided around the positioning wire circuit board. The positioning antenna circuit board is provided with a plurality of spacing columns, the first fixing screw is connected to the top of the spacing column, and the bottom end of the spacing column passes through the second fixing through hole and is connected to a nut. The antenna substrate is provided with a plurality of copper-clad through-holes and a plurality of module substrate mounting holes, the second fixing screw passes through the corresponding copper-clad through-holes and is installed on the metal fixing nut column, the other end of the communication antenna probe passes through the communication antenna probe through-hole and is installed on the antenna substrate, and the other end of the positioning antenna probe is installed on the antenna substrate; The module substrate is mounted on the module substrate mounting hole by a third fixing screw and the module substrate is provided with a communication module, a positioning module and a multi-pin interface.

2. The integrated multifunctional air dielectric antenna according to claim 1, characterized in that: Each metal fixing nut column is connected with a low-frequency coupling microstrip line.

3. The integrated multifunctional air dielectric antenna according to claim 1, characterized in that: The antenna substrate is also provided with a plurality of position mounting holes.

4. The integrated multifunctional air dielectric antenna according to claim 1, characterized in that: A side of the module substrate away from the antenna substrate is covered with a shielding cover.

5. The integrated multifunctional air dielectric antenna according to claim 1, characterized in that: The communication antenna circuit board, the positioning antenna circuit board and the antenna substrate are circular.

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