Built-in 5G integrated antenna for automobiles
The built-in 5G integrated antenna for automobiles addresses the integration of high-precision GNSS and V2X technologies, enhancing positioning accuracy and vehicle coordination, thereby improving driving experience and safety through a compact, stable, and convenient installation.
Patent Information
- Application Number
- JP2023557308
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-05-11
- Filing Date
- 2022-04-28
- Publication Date
- 2025-01-23
- Estimated Expiration
- 2042-04-28
AI Technical Summary
Existing automobile antennas lack integration of high-precision GNSS and V2X technologies, leading to inadequate positioning accuracy and user experience in complex traffic conditions, especially for autonomous driving applications.
A built-in 5G integrated antenna for automobiles that integrates high-precision GNSS and V2X antennas within a compact structure, utilizing a plastic case, mounting bracket, PCB plate, and connectors to provide accurate navigation and vehicle coordination, with phase-shifting and amplification circuits for enhanced signal processing.
The integrated antenna provides highly accurate positioning and vehicle coordination, improving driving experience and safety by ensuring stable signal reception and extending the antenna's service life, while being conveniently installed within the vehicle.
Smart Images

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Abstract
Description
[Technical field]
[0001] The present invention relates to the technical field of automobile antennas, and in particular to a built-in 5G integrated antenna for automobiles. [Background technology]
[0002] As a comprehensive upgrade for the smart driving era, a "five-in-one" deep layout of "navigation + IoT of automobiles + autonomous driving + big data + chips" is proposed. A cloud-integrated GNSS satellite positioning system solution is provided for connected car users. In addition to providing consumers with a highly accurate road-level navigation experience, positioning in combination with GNSS solves the positioning problem of on-board positioning equipment when satellite signals are lost, reducing the incidence of accidents in complex and heavy traffic situations, and improving the comprehensive positioning capabilities of terminals. High-precision location analysis and calculation services are provided nationwide for autonomous car users.
[0003] The IoT of smart cars is one of the most important 5G application scenarios, and is also a core direction of new infrastructure in the field of artificial intelligence. High-precision maps are essential for realizing high-level (level 3 and above) autonomous driving, and will be an important opportunity for the start of high-precision commercialization in the future. The IoT of smart cars will set a new direction for the development of automotive technology by integrating global positioning system navigation technology GNSS, vehicle-to-vehicle communication technology V2X, wireless communication 5G, and remote sensing technology, and will realize both manual and autonomous driving. From the user's perspective, the driving experience of users has been further improved and optimized. Autonomous driving liberates human power and realizes the ultimate driving experience through the method of device driving. Summary of the Invention
[0004] In response to the above requirements, an embodiment of the present invention provides a built-in 5G integrated antenna for automobiles that integrates high-precision GNSS and V2X antennas, and integrates a high-precision navigation module together with a 5G signal antenna and a V2X antenna into one antenna case and installs it in the vehicle, providing convenience to the driver and passengers. The built-in 5G integrated antenna for automobiles includes a plastic case, a plastic mounting bracket, an antenna printed circuit board, a high-precision GNSS receiving module, a 5G antenna, a V2X antenna, and a connector, A high-precision GNSS receiver module mounting pillar is provided inside the plastic case, and the high-precision GNSS receiver module, the V2X antenna, and the 5G antenna are attached to a PCB plate and are attached to the high-precision GNSS receiver module mounting pillar by the PCB plate, the plastic mounting bracket has mounting holes, and the plastic mounting bracket is attached to the plastic case by a mounting fixing pillar, The wireless printed circuit board is mounted on a plastic mounting bracket, and the antenna printed circuit board is provided with a GNSS high-precision navigation module circuit and a 5G, V2X matching circuit, which are transmitted to the terminal processing device via a signal connector and a transmission line for use.
[0005] In one embodiment, the plastic mounting bracket is provided with mounting holes.
[0006] In one embodiment, the PCB plate is provided with a PCB printed circuit board on both sides, and a plurality of copper-clad conductor strips are alternately provided on both sides of the PCB printed circuit board, and the copper-clad conductor strips alternately provided on both sides are connected in series as a distributed printed circuit by end copper-clad through holes. The bridge converts the signals with the same phase of two paths into a signal with a phase difference of 90° in one path, and then amplifies the signals with different phases through low-noise printing, thereby achieving the effect of high-precision positioning.
[0007] In one embodiment, the connectors include a GNSS connector, a 5G signal connector, and a V2X connector.
[0008] In one embodiment, the high-precision GNSS receiving module, V2X antenna, and 5G antenna are each attached to a PCB plate and output to a terminal processing device via a GNSS connector, a 5G signal connector, and a V2X connector for high-precision navigation measurements and vehicle-to-vehicle and road-to-road coordination.
[0009] In one embodiment, the 5G antenna includes a first 5G antenna, a second 5G antenna, a third 5G antenna, and a fourth 5G antenna.
[0010] In one embodiment, the plastic case is provided with a connector pull-out port and is fitted with a fixing engagement portion that fixes and positions the pulled-out 5G signal connector, GNSS connector, and V2X connector.
[0011] In one embodiment, when using the built-in 5G integrated antenna for automobiles, the built-in 5G integrated antenna for automobiles is mounted with a screw through a mounting hole in a plastic mounting bracket into a gap which is a nip between metal sheets on the top of the vehicle or into a spoiler at the rear of the vehicle, the connector is connected to a control panel terminal processor by a shielded data signal transmission line to a display screen in the vehicle cab for GNSS satellite navigation during vehicle transportation, the V2X antenna is used for vehicle-to-vehicle coordination and vehicle-to-road coordination during vehicle transportation, and the 5G signal connector is connected to the terminal processor by a shielded data signal transmission line to serve 5G equipment, providing convenience and safety for the driver and passengers.
[0012] The built-in 5G integrated antenna for automobiles provided by the embodiments of the present invention is reasonably designed and has a compact structure, and the GNSS module, the 5G signal receiving antenna, and the V2X antenna are integrated into one antenna case and installed in the vehicle, which is convenient for the driver and passengers. Since the built-in 5G integrated antenna for automobiles is installed in the vehicle, it is not exposed to wind, rain, and sunlight, which improves the stability of the received signal and extends the service life. [Brief description of the drawings]
[0013] In order to more clearly describe the embodiments of the present invention or the technical solutions of the prior art, the following briefly introduces the accompanying drawings necessary for describing the embodiments or the prior art. It is obvious that the accompanying drawings described below are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these accompanying drawings without creative efforts.
[0014] [Figure 1] FIG. 1 is a structural diagram of an internal 5G integrated antenna for automobiles with the plastic case opened in an embodiment of the present invention. [Diagram 2] FIG. 2 is a structural exploded view of a built-in 5G integrated antenna for an automobile according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0015] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will further describe the embodiments of the present invention with reference to the accompanying drawings, in which the exemplary embodiments of the present invention and the description thereof are for interpreting the present invention but are not intended to limit the present invention.
[0016] In the description of the specification, the terms "including," "comprise," "have," "contain," and the like are open terms, meaning that they include but are not limited by the examples. The reference terms "one embodiment," "one specific embodiment," "several embodiments," "for example," and the like refer to the specific components, structures, or features of the embodiments or embodiments that are combined in at least one embodiment or embodiment of the present invention. In the present specification, the illustrative expressions for the above terms do not necessarily refer to the same embodiment or embodiment. Moreover, the specific components, structures, or features described may be combined in any one or more embodiments or embodiments in an appropriate manner. The steps and procedures of each embodiment are intended to illustratively explain the implementation of the present invention, and these steps and procedures are not limited and may be appropriately adjusted as necessary.
[0017] In an embodiment of the present invention, as shown in FIGS. 1-2 , the built-in 5G integrated antenna for automobiles includes a plastic case 1, a plastic mounting bracket 2, a printed circuit board 3, a high-precision GNSS receiving module 4, a PCB plate 5, a GNSS connector 6, a 5G signal connector 7, a V2X connector 8, a V2X antenna 9, a 5G antenna 10, and a seal ring 11.
[0018] The built-in 5G integrated antenna for an automobile includes a plastic case 1, a plastic mounting bracket 2, an antenna printed circuit board 3, a high-precision GNSS receiving module 4, a 5G antenna 10, a V2X antenna 9, and a connector.
[0019] A high-precision GNSS receiver module mounting pillar is provided inside the plastic case 1, and the high-precision GNSS receiver module 4, V2X antenna 9, and 5G antenna 10 are attached to a PCB plate 5 and are attached to the high-precision GNSS receiver module mounting pillar by the PCB plate 5. A plastic mounting bracket 2 is provided with a mounting hole 2-1, and the plastic mounting bracket 2 is attached to the plastic case 1 by a mounting fixing column 1-1.
[0020] The printed circuit board 3 is attached to the plastic mounting bracket 2, and the antenna printed circuit board 3 is provided with a GNSS high precision navigation module circuit and a 5G, V2X matching circuit, which are transmitted to the terminal processing device via a signal connector and a transmission line for use.
[0021] In one embodiment, the PCB plate 5 is provided with a PCB printed circuit board on both sides, and a plurality of copper-clad conductor strips are alternately provided on both sides of the PCB printed circuit board, and the copper-clad conductor strips alternately provided on both sides are connected in series as a distributed printed circuit by end copper-clad through holes. The bridge converts the signals with the same phase in two paths into a signal with a phase difference of 90° in one path, and then amplifies the signals with different phases through low-noise printing, thereby achieving the effect of high-precision positioning.
[0022] In one embodiment, the connectors include a GNSS connector 6, a 5G signal connector 7 and a V2X connector 8.
[0023] In one embodiment, the high-precision GNSS receiving module 4, the V2X antenna 9, and the 5G antenna 10 are each attached to a PCB plate 5, and output to a terminal processing device via a GNSS connector 6, a 5G signal connector 7, and a V2X connector 8, for use in high-precision navigation measurements, vehicle-to-vehicle coordination, and vehicle-to-roadway coordination.
[0024] In one embodiment, the 5G antenna 10 includes a first 5G antenna 10-1, a second 5G antenna 10-2, a third 5G antenna 10-3, and a fourth 5G antenna 10-4.
[0025] In one embodiment, the plastic case 1 is provided with a connector pull-out port 2-2, and is fitted with a fixing engagement portion that fixes and positions the pulled-out 5G, GNSS, and V2X connectors.
[0026] In one embodiment, the bottom of the plastic mounting bracket 2 is fitted with a seal ring 11 for sealing.
[0027] In one embodiment, the high-precision GNSS receiver module 4 is composed of a ceramic antenna, a printed chip circuit, and a shield cover.
[0028] In one embodiment, when using the built-in 5G integrated antenna for an automobile, the built-in 5G integrated antenna for an automobile is mounted with a screw through the mounting hole 2-1 in the plastic mounting bracket 2 in a gap which is a nip between metal sheets at the top of the vehicle or in the spoiler at the rear of the vehicle, the connector is connected to a control panel terminal processing device by a shielded data signal transmission line all the way to a display screen in the vehicle cab and is used for GNSS satellite navigation during transportation of the vehicle, the V2X antenna 9 is used for vehicle-to-vehicle coordination and vehicle-to-road coordination during transportation of the vehicle, and the 5G signal connector is connected to the terminal processing device by a shielded data signal transmission line and is provided for 5G equipment, providing convenience and safety for the driver and passengers.
[0029] In the above-described specific embodiments, the objectives, technical solutions and beneficial effects of the present invention are further described in detail. It should be understood that the above-described contents are only specific embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any amendments, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be within the protection scope of the present invention. [Explanation of symbols]
[0030] 1 plastic case 2 Plastic Mounting Brackets 3. Printed Circuit Board 4 High-precision GNSS receiver module 5 PCB Plate 6 GNSS connector 7 5G Signal Connector 8 V2X Connectors 9 V2X Antenna 10 5G Antennas 11 Seal ring 1-1 Mounting pole 2-1 Mounting hole 2-2 Connector outlet port 10-1 First 5G antenna 10-2 Second 5G Antenna 10-3 The third 5G antenna 10-4 The fourth 5G antenna
Claims
1. The device includes a plastic case, a plastic mounting bracket, an antenna printed circuit board, a high-precision GNSS receiving module, a 5G antenna, a V2X antenna, and a connector; Inside the plastic case, there is a pillar for mounting the high-precision GNSS receiver module. The high-precision GNSS receiving module, the V2X antenna, and the 5G antenna are mounted on a PCB plate, and the PCB plate is mounted on the high-precision GNSS receiving module mounting pillar; a plastic mounting bracket is attached to the plastic case by a mounting post that also serves as a mounting pillar for the high-precision GNSS receiving module; the PCB plate on which the antenna printed circuit board is formed is attached to a plastic mounting bracket; The antenna printed circuit board is provided with a GNSS high-precision navigation module circuit and a 5G, V2X matching circuit, which are transmitted to the terminal processing device through a signal connector and a transmission line for use; A built-in 5G integrated antenna for automobiles.
2. The built-in 5G integrated antenna for automobiles according to claim 1, characterized in that the plastic mounting bracket is provided with a mounting hole.
3. The PCB plate has a PCB printed circuit board on both sides, A plurality of copper-clad conductor strips are provided alternately on both the front and back sides of the PCB printed circuit board, The copper-clad conductor strips arranged alternately on both sides are connected in series as a distributed printed circuit by end copper-clad through holes; The bridge converts the signals with the same phase from two paths into signals with a phase difference of 90° from one path, and then passes through low-noise printing to amplify the out-of-phase signals, thereby achieving high-precision positioning. The built-in 5G integrated antenna for an automobile according to claim 1.
4. The built-in 5G integrated antenna for automobiles according to claim 1, characterized in that the connector is provided with a GNSS connector, a 5G signal connector, and a V2X connector.
5. The built-in 5G integrated antenna for automobiles according to claim 1, characterized in that the plastic case is provided with a connector pull-out port and is equipped with a fixing engagement portion that fixes and positions the pulled-out 5G signal connector, GNSS connector, and V2X connector.
6. The built-in 5G integrated antenna for automobiles according to claim 1, characterized in that the 5G antenna is provided with a first 5G antenna, a second 5G antenna, a third 5G antenna and a fourth 5G antenna.
7. The self-contained 5G integrated antenna is attached to the gap between the skylight glass and the sheet metal at the top of the vehicle or to the spoiler at the rear of the vehicle with a screw through the mounting hole in the plastic mounting bracket, the connector is connected by a shielded data signal transmission line to a control panel terminal processor up to a display screen in the vehicle cab for GNSS satellite navigation during vehicle transport; V2X antennas are used for vehicle-to-vehicle and road-to-road coordination during vehicle transportation, The 5G signal connector is connected to the terminal processing device by a shielded data signal transmission line and serves for 5G equipment; The built-in 5G integrated antenna for an automobile according to claim 1.
Citation Information
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