Waterproof installation structure device of GNSS antenna and waterproof GNSS high-precision navigation antenna

Abstract

The utility model relates to a waterproof installation structure device and waterproof GNSS high-precision navigation antenna of GNSS antenna, especially relates to the waterproof installation structure device of GNSS antenna matched with waterproof GNSS high-precision navigation antenna. Including waterproof shell, waterproof cover, car body installation fixed structure, waterproof shell one end seal, waterproof shell other end is installed waterproof cover, is provided with with car body installation fixed structure on waterproof shell, and waterproof shell, waterproof cover are fused through laser welding, waterproof shell is provided with waterproof shell PCBA installation direction limiting groove in, waterproof cover installation end is provided with laser welding rib on waterproof shell, waterproof cover is provided with with PCBA installation fixed structure, waterproof cover is provided with waterproof cover PCBA installation direction limiting groove, waterproof cover rear part is provided with laser welding groove, waterproof cover is provided with output connector mounting hole and connector mistake -proof direction positioning cylinder.

Description

Technical Field

[0001] This utility model relates to the field of automotive antenna technology, specifically a waterproof mounting structure for a GNSS antenna used in conjunction with a waterproof GNSS high-precision navigation antenna. Background Technology

[0002] To improve navigation accuracy in complex driving environments and ensure the integrity of received satellite signals despite adverse conditions such as multipath interference, current designs typically place antennas on the vehicle body in locations without sheet metal obstruction or under spoiler conditions. This places demands on antenna waterproofing, and current waterproofing structures usually use sealing rings, which are cumbersome to assemble and not cost-effective. Utility Model Content

[0003] The purpose of this utility model is to provide a waterproof mounting structure device for a GNSS antenna and a waterproof GNSS high-precision navigation antenna to address the above-mentioned deficiencies. The waterproof mounting structure device for a GNSS antenna is a waterproof mounting structure device for a GNSS antenna used in conjunction with a waterproof GNSS high-precision navigation antenna. A GNSS high-precision navigation antenna with a waterproof structure is a design structure for an in-vehicle antenna, which simultaneously meets the requirements of vehicle layout and optimizes costs.

[0004] A waterproof mounting structure for a GNSS antenna and a waterproof high-precision GNSS navigation antenna are achieved through the following technical solutions:

[0005] A waterproof mounting structure for a GNSS antenna includes a waterproof housing, a waterproof cover, and a vehicle mounting and fixing structure.

[0006] The waterproof outer shell is sealed at one end and has a waterproof cap installed at the other end. The waterproof outer shell also features a mounting structure for attachment to the vehicle body. The waterproof outer shell and cap are fused together using laser welding to achieve waterproofing.

[0007] The waterproof outer shell is made of plastic material, and there are mounting and fixing structures for the vehicle body on both sides of the waterproof outer shell; the waterproof outer shell PCBA mounting guide and limiting groove is provided inside the waterproof outer shell; laser welding ribs are provided at the mounting ends of the waterproof outer shell and the waterproof cover.

[0008] The waterproof cover is made of plastic material and has a structure for fixing it to the PCBA. The waterproof cover has a guide and limiting groove for PCBA installation. The rear of the waterproof cover has a laser welding groove. The waterproof cover has an output connector mounting hole and a connector anti-misalignment guide and positioning cylinder.

[0009] The output connector is installed in the output connector mounting hole provided on the waterproof cover and is fitted with a sealing ring.

[0010] When laser welding waterproof shells and covers, the waterproof shells and covers are equipped with laser welding ribs at the mounting ends and laser welding grooves at the rear of the covers, achieving waterproofing through laser welding fusion.

[0011] A waterproof mounting structure for a GNSS antenna is used in conjunction with a waterproof GNSS high-precision navigation antenna.

[0012] A waterproof GNSS high-precision navigation antenna includes a waterproof mounting structure for the GNSS antenna, as well as a GNSS dielectric antenna, a reflector cavity, a PCBA circuit board, an output connector, a shielding cover, and self-tapping screws.

[0013] The output connector is connected to the PCBA circuit board and is fixed to the PCBA circuit board by soldering.

[0014] The GNSS dielectric antenna is mounted on a PCBA circuit board, which has mounting and matching holes for the GNSS dielectric antenna. The mounting and matching holes are soldered to the pins of the dielectric antenna.

[0015] The reflective cavity is constructed by having four single-piece plates erected on a PCBA circuit board to form a quadrilateral cavity; the reflective cavity material can be made of high-frequency board or metal board.

[0016] The bottom of the PCBA circuit board is equipped with a shielding cover to shield against electromagnetic interference. This can prevent interference signals, protect components, and effectively improve circuit performance, thereby ensuring the reliability and performance of the entire circuit system.

[0017] This utility model discloses a waterproof mounting structure for a GNSS antenna, which, when used in conjunction with a waterproof GNSS high-precision navigation antenna, has the following advantages:

[0018] 1. Miniaturized size and antenna design and construction meet the requirements for antenna waterproof performance, greatly improving antenna reception and service life;

[0019] 2. Lightweight product; laser welding sealing method optimizes assembly costs and improves antenna waterproof performance;

[0020] 3. It can be applied to different interior space layouts in vehicles;

[0021] 4. The installation environment is not easily affected by external factors.

[0022] 5. Improve antenna product performance through the action of the reflective cavity.

[0023] 6. Because the bottom of the PCBA circuit board is equipped with a shielding cover to shield electromagnetic interference, it can prevent interference signals, protect components, and effectively improve circuit performance, thereby ensuring the reliability and performance of the entire circuit system. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. In the drawings:

[0025] Figure 1 This is a schematic diagram of the overall antenna configuration in an embodiment of this utility model;

[0026] Figure 2 This is an exploded view of the antenna configuration in an embodiment of this utility model;

[0027] Figure 3 This is a schematic diagram of the antenna forming a waterproof housing in an embodiment of this utility model;

[0028] Figure 4 This is a schematic diagram of the antenna forming a waterproof cover in an embodiment of this utility model.

[0029] In the diagram: 1. Waterproof housing, 2. Waterproof cover, 3. Vehicle mounting structure, 4. Output connector, 5. GNSS dielectric antenna, 6. Reflector cavity, 7. PCBA circuit board, 8. Shielding cover, 9. Self-tapping screws.

[0030] 1-1. Waterproof PCBA mounting guide and limiting groove; 1-2. Laser-welded ribs;

[0031] 2-1. PCBA mounting and fixing structure; 2-2. Waterproof cover PCBA mounting guide and limiting groove; 2-3. Laser welding groove; 2-4. Output connector mounting hole; 2-5. Connector anti-misalignment guide and positioning cylinder.

[0032] 3-1, Ear seat; 3-2, Vehicle body mounting and fixing holes. Detailed Implementation

[0033] See attached document Figure 1-4 A waterproof mounting structure for a GNSS antenna includes a waterproof housing 1, a waterproof cover 2, and a vehicle mounting and fixing structure 3.

[0034] One end of the waterproof outer shell 1 is sealed, and a waterproof cover 2 is installed at the other end of the waterproof outer shell 1. The waterproof outer shell is provided with a mounting and fixing structure 3 for mounting to the vehicle body. The waterproof outer shell 1 and the waterproof cover 2 are fused together by laser welding to achieve waterproofing.

[0035] The waterproof outer shell 1 is made of plastic material. The waterproof outer shell 1 has a vehicle body mounting and fixing structure 3 on both sides. The vehicle body mounting and fixing structure 3 has a lug 3-1 and a vehicle body mounting and fixing hole 3-2 on the lug 3-1.

[0036] The waterproof housing 1 is provided with a waterproof housing PCBA installation guide and limiting groove 1-1; the waterproof housing 1 and the waterproof cover installation end are provided with laser welding ribs 1-2.

[0037] The waterproof cover 2 is made of plastic and has a PCBA mounting and fixing structure 2-1. It also has a PCBA mounting guide and limiting groove 2-2, a laser welding groove 2-3 at the rear, and an output connector mounting hole 2-4 and a connector error-proof guide and positioning cylinder 2-5. The connector error-proof guide and positioning cylinder 2-5 has a through hole.

[0038] The output connector 4 is installed in the output connector mounting hole 2-4 provided on the waterproof cover 2 and is fitted with a sealing ring.

[0039] When the waterproof outer shell 1 and the waterproof cover 2 are laser welded, the installation ends of the waterproof outer shell 1 and the waterproof cover 2 are equipped with laser welding ribs 1-2 and the rear of the waterproof cover 2 are equipped with laser welding grooves 2-3 to achieve waterproofing through laser welding fusion.

[0040] A waterproof mounting structure for a GNSS antenna is used in conjunction with a waterproof GNSS high-precision navigation antenna.

[0041] A GNSS high-precision navigation antenna with a waterproof structure includes a waterproof mounting structure for the GNSS antenna, and also includes a GNSS dielectric antenna 5, a reflector cavity 6, a PCBA circuit board 7, an output connector 4, a shielding cover 8, and self-tapping screws 9.

[0042] The output connector 4 is connected to the PCBA circuit board 7 and is fixed to the PCBA circuit board 7 by soldering.

[0043] The GNSS dielectric antenna 5 is mounted on the PCBA circuit board 7, which has mounting matching holes for the GNSS dielectric antenna. The mounting matching holes are respectively soldered to the pins of the dielectric antenna.

[0044] The reflective cavity 6 is constructed by four single-piece plates erected on the PCBA circuit board 7 to form a quadrilateral cavity; the reflective cavity 6 can be made of high-frequency board material or metal board material.

[0045] The PCBA circuit board 7 has a shielding cover 8 at the bottom, which is used to shield electromagnetic interference, prevent interference signals, protect components, and effectively improve circuit performance, so as to ensure the reliability and performance of the entire circuit system.

[0046] When a waterproof mounting structure for a GNSS antenna is assembled with a waterproof GNSS high-precision navigation antenna, the PCBA circuit board 7, along with the GNSS dielectric antenna 5, reflector cavity 6, PCBA circuit board 7, output connector 4, and shielding cover 8, is installed inside a waterproof housing 1. One end of the PCBA circuit board 7 is inserted into a waterproof cover 2 with a waterproof cover PCBA mounting guide limiting groove 2-2, and is fixed to the PCBA mounting fixing structure 2-1 on the waterproof cover 2 by self-tapping screws 9. The output connector 4 passes through the output connector mounting hole 2-4 and the connector anti-misalignment guide positioning cylinder 2-5 through hole on the waterproof cover 2. The two sides of the PCBA circuit board 7 are inserted into the waterproof housing PCBA mounting guide limiting groove 1-1 inside the waterproof housing 1. The waterproof housing 1 and the waterproof cover 2 have laser welding ribs 1-2 at the mounting end, which cooperate with the laser welding groove 2-3 at the rear of the waterproof cover 2 to achieve sealing and waterproofing through laser welding fusion.

[0047] A waterproof mounting structure for a GNSS antenna and a waterproof high-precision GNSS navigation antenna are disclosed. In use, the waterproof mounting structure and the waterproof high-precision GNSS navigation antenna are mounted on the vehicle body via a waterproof housing 1 with mounting and fixing structures 3 on both sides. The antenna is installed inside the roof spoiler or in another location within the vehicle. The waterproof high-precision GNSS navigation antenna receives signals from space satellites and outputs them to the vehicle's T-BOX via an output connector 4 and a transmission line, thus enabling in-vehicle GNSS navigation.

Claims

1. A waterproof mounting structure for a GNSS antenna, characterized in that, Includes waterproof outer shell, waterproof cover, and vehicle body mounting and fixing structure; One end of the waterproof shell is sealed, and a waterproof cover is installed at the other end of the waterproof shell. The waterproof shell is provided with a structure for mounting and fixing to the vehicle body. The waterproof shell and the waterproof cover are fused together by laser welding to achieve waterproofing. The waterproof housing is provided with a waterproof housing PCBA installation guide and limiting groove; the waterproof housing and the waterproof cover installation end are provided with laser welding ribs; The waterproof cover is equipped with a structure for fixing the PCBA to the installation; the waterproof cover is equipped with a waterproof cover PCBA installation guide and limiting groove; the rear of the waterproof cover is equipped with a laser welding groove; the waterproof cover is equipped with an output connector mounting hole and a connector anti-misalignment guide and positioning cylinder.

2. The waterproof mounting structure device for a GNSS antenna according to claim 1, characterized in that, The waterproof outer shell has mounting and fixing structures on both sides for mounting to the vehicle body. The mounting and fixing structures for the vehicle body have ear seats with mounting holes for mounting to the vehicle body.

3. The waterproof mounting structure device for a GNSS antenna according to claim 1, characterized in that, The waterproof outer shell and waterproof cover are made of plastic material.

4. The waterproof mounting structure device for a GNSS antenna according to claim 1, characterized in that, When laser welding waterproof shells and covers, the waterproof shells and covers are equipped with laser welding ribs at the mounting ends and laser welding grooves at the rear of the covers, achieving waterproofing through laser welding fusion.

5. A waterproof GNSS high-precision navigation antenna, characterized in that, The waterproof mounting structure device for a GNSS antenna as described in any one of claims 1-4 further includes a GNSS dielectric antenna, a reflector cavity, a PCBA circuit board, an output connector, a shielding cover, and self-tapping screws.

6. The waterproof GNSS high-precision navigation antenna according to claim 5, characterized in that, The output connector is connected to the PCBA circuit board and is fixed to the PCBA circuit board by soldering.

7. The waterproof GNSS high-precision navigation antenna according to claim 5, characterized in that, The GNSS dielectric antenna is mounted on a PCBA circuit board, which has mounting and matching holes for the GNSS dielectric antenna. The mounting and matching holes are soldered to the pins of the dielectric antenna.

8. The waterproof GNSS high-precision navigation antenna according to claim 5, characterized in that, The reflective cavity is constructed by four single-piece plates erected on a PCBA circuit board to form a quadrilateral cavity. The reflective cavity material can be made of high-frequency board or metal board.

9. The waterproof GNSS high-precision navigation antenna according to claim 5, characterized in that, The PCBA circuit board has a shielding cover at the bottom to shield against electromagnetic interference, prevent interference signals, protect components, and effectively improve circuit performance, thereby ensuring the reliability and performance of the entire circuit system.

10. The waterproof GNSS high-precision navigation antenna according to claim 5, characterized in that, When a waterproof mounting structure for a GNSS antenna is assembled with a waterproof GNSS high-precision navigation antenna, the PCBA circuit board, along with the GNSS dielectric antenna, reflector cavity, PCBA circuit board, output connector, and shielding cover, is installed inside a waterproof housing. One end of the PCBA circuit board is inserted into a waterproof cover with a PCBA mounting guide and limiting groove, and is fixed to the PCBA mounting and fixing structure on the waterproof cover with self-tapping screws. The output connector passes through the output connector mounting hole and the connector anti-misalignment guide and positioning cylindrical through hole on the waterproof cover. The two sides of the PCBA circuit board are inserted into the waterproof housing with PCBA mounting guide and limiting grooves inside the waterproof housing. The waterproof housing and the waterproof cover mounting end are provided with laser welding ribs that cooperate with the laser welding groove at the rear of the waterproof cover to achieve sealing and waterproofing through laser welding fusion.

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