An automobile antenna

CN116759792BActive Publication Date: 2026-11-03SHENYANG AMPHENOL SUNPOOL AUTOMOTIVE ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202310952069.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-31
Publication Date
2026-11-03
Estimated Expiration
2043-07-31

AI Technical Summary

Technical Problem

Existing automotive antennas have limited functionality and poor integration, making it difficult to meet the market's demand for high-end integrated built-in antennas.

Method used

Design an automotive antenna that integrates 2G/3G/4G/5G, WiFi, V2X, Bluetooth, and navigation antenna units into one unit. Multiple antenna elements are set on the circuit board, and waterproof sealing is achieved through the housing and sheet metal plug. Wires are connected to connectors and installed inside the car spoiler.

Benefits of technology

It achieves a feature-rich and highly integrated automotive antenna that meets the requirements of high-end integrated built-in antennas, while reducing the antenna size and saving space without affecting performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116759792B_ABST
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Abstract

The application provides an automobile antenna for being installed in a spoiler of an automobile, relates to the technical field of antennas, and is characterized in that the antenna comprises a circuit board, a 2G / 3G / 4G / 5G antenna unit, a WiFi antenna unit, a V2X antenna unit, a Bluetooth antenna unit and a navigation antenna unit, which are electrically connected to the circuit board, the circuit board of the antenna is integrated with the 2G / 3G / 4G / 5G antenna unit, the WiFi antenna unit, the V2X antenna unit, the Bluetooth antenna unit and the navigation antenna unit, is rich in functions, has high integration, can meet the market demand of high-end integrated built-in antennas, and can be arbitrarily matched with one or more functions according to the market demand.
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Description

Technical Field

[0001] This invention belongs to the field of antenna technology, and more specifically, relates to an automotive antenna. Background Technology

[0002] As technology continues to develop, OEMs are beginning to expand towards higher-end functions. However, most of the mainstream integrated built-in antennas on the market at present only integrate ordinary navigation and 4G functions. The antennas are often relatively simple in function and have poor integration, making it difficult to meet the requirements of the market for high-end integrated built-in antennas. Summary of the Invention

[0003] The purpose of this invention is to provide an automotive antenna that addresses the shortcomings of existing technologies. This solves the problem mentioned in the background that most mainstream integrated built-in antennas on the market only integrate ordinary navigation and 4G functions, and the antennas are often relatively simple in function and have poor integration, making it difficult to meet the requirements of high-end integrated built-in antennas in the market.

[0004] To achieve the above objectives, the present invention provides an automotive antenna for installation within a vehicle's spoiler, characterized in that the antenna comprises:

[0005] Circuit board;

[0006] The 2G / 3G / 4G / 5G antenna units, WiFi antenna units, V2X antenna units, Bluetooth antenna units, and navigation antenna units are all electrically connected to the circuit board.

[0007] Preferably, the 2G / 3G / 4G / 5G antenna unit includes four 2G / 3G / 4G / 5G antenna elements, which are spaced apart on one side of the surface of the circuit board.

[0008] Preferably, the WiFi antenna unit includes two WiFi antenna elements, which are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements.

[0009] Preferably, the V2X antenna unit includes two V2X antenna elements, which are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements.

[0010] Preferably, the Bluetooth antenna unit includes two Bluetooth antenna elements, which are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements.

[0011] Preferably, the navigation antenna unit includes a navigation antenna element, which is disposed on the other side of the surface of the circuit board.

[0012] Preferably, the car antenna includes two housings, with cavities formed on the opposing surfaces of the two housings, and the circuit board disposed within the cavity, with the edge walls of the two housings welded together.

[0013] Preferably, each of the two outer walls of the housing is provided with at least one ear seat, and the mounting hole of the ear seat is connected to the spoiler plate by a locking member.

[0014] Preferably, the vehicle antenna further includes a wire and a connector, wherein the terminals of the wire are connected between the edge walls of the two housings, one end of the wire is electrically connected to the circuit board, and the other end of the wire is electrically connected to the connector.

[0015] Preferably, the car antenna further includes a sheet metal plug, which is sleeved on the wire and used to connect to the sheet metal mounting hole of the spoiler.

[0016] This invention provides an automotive antenna, the advantages of which are:

[0017] The antenna's circuit board integrates 2G / 3G / 4G / 5G antenna units, WiFi antenna units, V2X antenna units, Bluetooth antenna units, and navigation antenna units. It is feature-rich and highly integrated, meeting the market's requirements for high-end integrated built-in antennas.

[0018] Other features and advantages of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0019] The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of exemplary embodiments of the invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the invention.

[0020] Figure 1 An exploded view of an automotive antenna according to an embodiment of the present invention is shown.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Circuit board; 2. 2G / 3G / 4G / 5G antenna unit; 21. 2G / 3G / 4G / 5G antenna vibrator; 3. WiFi antenna unit; 31. WiFi antenna vibrator; 4. V2X antenna unit; 41. V2X antenna vibrator; 5. Bluetooth antenna unit; 51. Bluetooth antenna vibrator; 6. Navigation antenna unit; 61. Navigation antenna vibrator; 7. Housing; 8. Ear socket; 9. Wire; 10. Connector; 11. Sheet metal plug; 12. Terminal block. Detailed Implementation

[0023] Preferred embodiments of the invention will now be described in more detail. While preferred embodiments of the invention are described below, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0024] like Figure 1 As shown, the present invention provides an automotive antenna for installation within a vehicle's spoiler, characterized in that the antenna comprises:

[0025] Circuit board 1;

[0026] The 2G / 3G / 4G / 5G antenna unit 2, WiFi antenna unit 3, V2X antenna unit 4, Bluetooth antenna unit 5, and navigation antenna unit 6 are all electrically connected to the circuit board 1.

[0027] Specifically, to address the problem that most mainstream integrated built-in antennas on the market only integrate basic navigation and 4G functions, resulting in relatively simple antenna functionality, poor integration, and difficulty in meeting the requirements of high-end integrated built-in antennas in the market, this invention provides an automotive antenna. The circuit board 1 (PCBA board) of this antenna integrates 2G / 3G / 4G / 5G antenna unit 2, WiFi antenna unit 3, V2X antenna unit 4, Bluetooth antenna unit 5, and navigation antenna unit 6. It has rich functions, high integration, and can meet the requirements of high-end integrated built-in antennas in the market.

[0028] Preferably, the 2G / 3G / 4G / 5G antenna unit 2 includes four 2G / 3G / 4G / 5G antenna elements 21, which are spaced apart on one side of the surface of the circuit board 1.

[0029] Specifically, the 2G / 3G / 4G / 5G antenna element 2 is a shared antenna element for 2G, 3G, 4G and 5G. The 2G / 3G / 4G / 5G antenna element 2 is used to transmit 2G signals, 3G signals, 4G signals or 5G signals. The 2G / 3G / 4G / 5G antenna vibrator 21 is rectangular in shape.

[0030] Preferably, the WiFi antenna unit 3 includes two WiFi antenna elements 31, which are spaced apart on one side of the surface of the circuit board 1 and located between the four 2G / 3G / 4G / 5G antenna elements 21.

[0031] Specifically, WiFi antenna unit 3 is used to transmit WiFi signals, in order to Figure 1 Based on the view displayed on the computer screen, one WiFi antenna element 31 is positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the rear side, and the other WiFi antenna element 31 is positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the front side. The WiFi antenna element 31 is shaped like a rectangular sheet.

[0032] Preferably, the V2X antenna unit 4 includes two V2X antenna elements 41, which are spaced apart on one side of the surface of the circuit board 1 and located between the four 2G / 3G / 4G / 5G antenna elements 21.

[0033] Specifically, the V2X antenna unit 4 is used to transmit V2X signals. Two V2X antenna elements 41 are arranged between the two 2G / 3G / 4G / 5G antenna elements 21 on the right side. The V2X antenna elements 41 are rectangular in shape.

[0034] Preferably, the Bluetooth antenna unit 5 includes two Bluetooth antenna elements 51, which are spaced apart on one side of the surface of the circuit board 1 and located between the four 2G / 3G / 4G / 5G antenna elements 21.

[0035] Specifically, the Bluetooth antenna unit 5 is used to transmit Bluetooth signals. Two Bluetooth antenna elements 51 are arranged between the two 2G / 3G / 4G / 5G antenna elements 21 on the left side. The Bluetooth antenna elements 51 are rectangular in shape.

[0036] Preferably, the navigation antenna unit 6 includes a navigation antenna element 61, which is disposed on the other side of the surface of the circuit board 1.

[0037] Specifically, the navigation antenna unit 6 is a single / dual high-precision navigation antenna unit used to transmit navigation signals, and the cross-section of the navigation antenna element 61 is convex.

[0038] Preferably, the car antenna includes two housings 7, with cavities formed on the opposing surfaces of the two housings 7, and a circuit board 1 disposed within the cavity. The edge walls of the two housings 7 are welded together.

[0039] Specifically, the two outer shells 7 are injection molded parts, formed using an injection molding machine according to the injection molding process. One of the outer shells 7 has a convex shape, and the edge walls of the two outer shells 7 are ultrasonically welded, achieving a waterproof capability of IP67.

[0040] Preferably, each of the two outer walls of the outer shell 7 is provided with at least one ear seat 8, and the mounting hole of the ear seat 8 is connected to the spoiler through a locking member.

[0041] Specifically, the two sides of the ear seat 8 are provided with reinforcing ribs between the outer side wall of the outer shell 7 and the locking component can be a bolt and nut assembly.

[0042] Preferably, the car antenna also includes a wire 9 and a connector 10. The terminal 12 of the wire 9 is connected between the edge walls of the two housings 7. One end of the wire 9 is electrically connected to the circuit board 1, and the other end of the wire 9 is electrically connected to the connector 10.

[0043] Specifically, both outer casings 7 have openings along their edges. Since the terminal block 12 is a vulcanized molded part, it can be sealed inside the two openings, achieving an IP67 waterproof rating. The wire 9 includes four branch wires, and there are two connectors 10. The four branch wires are used for electrical connection with the two connectors 10.

[0044] Preferably, the car antenna also includes a sheet metal plug 11, which is sleeved on the wire 9 and is used to connect to the sheet metal mounting hole of the spoiler.

[0045] Specifically, the sheet metal plug 11 is a vulcanized molded part. The sheet metal plug 11 can seal the sheet metal mounting hole to prevent water or dust from entering the spoiler.

[0046] Preferably, the car antenna also includes a retractable flexible tube, through which the four branches of the wire 9 pass.

[0047] Specifically, the retractable hose is used to prevent the four branch lines from spreading out and to protect them.

[0048] In summary, when the automotive antenna provided by this invention is implemented, the antenna's circuit board 1 (PCBA board) integrates 2G / 3G / 4G / 5G antenna units 2, WiFi antenna units 3, V2X antenna units 4, Bluetooth antenna units 5, and navigation antenna units 6, offering rich functionality and high integration. Furthermore, the various antenna units can be freely combined, meeting the market demand for high-end integrated built-in antennas. Additionally, four 2G / 3G / 4G / 5G antenna elements 21 are spaced apart on one side of the circuit board 1, while the navigation antenna element 61 is positioned on the other side of the circuit board 1. Figure 1Based on the view displayed on the computer screen, one WiFi antenna element 31 is positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the rear side, another WiFi antenna element 31 is positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the front side, two V2X antenna elements 41 are positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the right side, and two Bluetooth antenna elements 51 are positioned between two 2G / 3G / 4G / 5G antenna elements 21 on the left side. Compared with the existing antenna layout, the cavity between the two outer shells 7 can be greatly reduced without affecting antenna performance, maximizing space utilization and achieving miniaturization of the vehicle, resulting in a compact structure and space saving.

[0049] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A car antenna for mounting inside a car spoiler, characterized in that, The antenna includes: Circuit board; The 2G / 3G / 4G / 5G antenna units, WiFi antenna units, V2X antenna units, Bluetooth antenna units, and navigation antenna units are all electrically connected to the circuit board; The 2G / 3G / 4G / 5G antenna unit includes four 2G / 3G / 4G / 5G antenna elements, which are spaced apart on one side of the surface of the circuit board. The WiFi antenna unit includes two WiFi antenna elements. The two WiFi antenna elements are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements. One WiFi antenna element (31) is located between the two rear 2G / 3G / 4G / 5G antenna elements (21), and the other WiFi antenna element (31) is located between the two front 2G / 3G / 4G / 5G antenna elements (21). The V2X antenna unit includes two V2X antenna elements. The two V2X antenna elements are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements. The two V2X antenna elements (41) are located between the two 2G / 3G / 4G / 5G antenna elements (21) on the right side. The Bluetooth antenna unit includes two Bluetooth antenna elements, which are spaced apart on one side of the surface of the circuit board and located between the four 2G / 3G / 4G / 5G antenna elements. The two Bluetooth antenna elements (51) are located between the two 2G / 3G / 4G / 5G antenna elements (21) on the left side.

2. The automotive antenna according to claim 1, characterized in that, The navigation antenna unit includes a navigation antenna element, which is disposed on the other side of the surface of the circuit board.

3. The automotive antenna according to claim 1, characterized in that, The car antenna also includes two housings, with cavities formed on the opposite surfaces of the two housings. The circuit board is disposed in the cavity, and the edge walls of the two housings are welded together.

4. The automotive antenna according to claim 3, characterized in that, The car antenna also includes a wire and a connector. The terminals of the wire are connected between the edge walls of the two housings. One end of the wire is electrically connected to the circuit board, and the other end of the wire is electrically connected to the connector.

5. The automotive antenna according to claim 4, characterized in that, The car antenna also includes a sheet metal plug, which is fitted onto the wire.

Citation Information

Patent Citations

  • Shark fin vehicle-mounted antenna integrated with Beidou free flow terminal

    CN113659327A

  • Vehicle-mounted combined antenna and vehicle-mounted antenna module

    CN213936540U