A built-in car antenna

By designing a built-in automotive antenna that integrates 5G and navigation functions, and setting a shield on the printed circuit board, the existing automotive antenna functions are solved, and a feature-rich and highly integrated automotive antenna is achieved.

CN112103670BActive Publication Date: 2025-03-07SHENYANG AMPHENOL SUNPOOL AUTOMOTIVE ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202011044328.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-28
Publication Date
2025-03-07
Estimated Expiration
2040-09-28

AI Technical Summary

Technical Problem

The existing automobile antenna has a single function, which is difficult to meet the needs of modern cars. The antenna with 5G function is large in size and has poor integration.

Method used

A built-in automotive antenna is designed to integrate 5G and navigation functions, and by setting a shield on the printed circuit board, the isolation between the navigation antenna module and the 5G antenna oscillator is improved, achieving high integration and small volume.

Benefits of technology

It realizes a functionally rich automotive antenna, which can meet the usage requirements of modern cars, and at the same time improves the integration and usage effect of the antenna by improving isolation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a built-in car antenna, which relates to the technical field of car antennas, and comprises: a navigation antenna module, comprising a ceramic antenna, the ceramic antenna is connected to one side of a printed circuit board, and a shielding cover is provided on the other side of the printed circuit board; a plurality of 5G antenna vibrators are arranged around the navigation antenna module, and a gap is provided between the navigation antenna modules; a cable, one end of which is connected to the printed circuit board and the 5G antenna vibrator; the built-in car antenna integrates 5G and navigation functions, and the integration is improved by the setting of the shielding cover, and the built-in car antenna is compact and functionally rich.
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Description

Technical Field

[0001] The invention belongs to the technical field of automobile antennas, and more specifically, relates to a built-in automobile antenna. Background Art

[0002] In the field of vehicle-mounted antennas, customers have higher and higher requirements for product functions. In order to meet people's demand for intelligent use of automobiles, it is necessary to develop a multifunctional and highly integrated vehicle antenna. At present, the mainstream built-in antenna functions of automobiles on the market are 4G+navigation (GNSS), and signal reception is achieved through antenna oscillators and dielectric antennas; with the development of science and technology, 5G signals are becoming more and more common in my country, but smart antennas with 5G and navigation functions are still in their infancy. Existing antennas often have single functions and are difficult to meet the needs of modern automobiles, and some antennas with 5G functions are often large in size and poorly integrated. Summary of the invention

[0003] The purpose of the present invention is to provide a built-in car antenna in view of the deficiencies in the prior art. The built-in car antenna integrates 5G and navigation functions, and improves the integration by setting a shielding cover. The built-in car antenna has a small size and rich functions.

[0004] In order to achieve the above object, the present invention provides a built-in car antenna, comprising:

[0005] A navigation antenna module, comprising a ceramic antenna, wherein the ceramic antenna is connected to one side of a printed circuit board, and a shielding cover is provided on the other side of the printed circuit board;

[0006] A plurality of 5G antenna vibrators are arranged around the navigation antenna module, and a gap is provided between the plurality of 5G antenna vibrators and the navigation antenna module;

[0007] A cable, one end of which is connected to the printed circuit board and the 5G antenna element.

[0008] Optionally, it also includes a shell, the navigation antenna module and the 5G antenna element are arranged in the shell, and one end of the cable passes through the shell and is connected to the printed circuit board and the 5G antenna element.

[0009] Optionally, the shell includes a lower shell and an upper shell detachably connected to the lower shell, the printed circuit board is connected to the lower shell by bolts, a clip is provided inside the lower shell, and the clip is clipped to the 5G antenna element.

[0010] Optionally, the snap-in component includes a first snap-in plate and a second snap-in plate, a snap-in groove is formed between the first snap-in plate and the second snap-in plate, a snap-in hook is provided on one side of the first snap-in plate close to the second snap-in plate, a card interface is provided on the 5G antenna element, and the snap-in hook cooperates with the card interface.

[0011] Optionally, a first wire passing hole is provided in the middle of the lower shell body, a terminal is provided in the first wire passing hole, a second wire passing hole is provided in the terminal, and one end of the cable passes through the second wire passing hole to be connected to the printed circuit board and the 5G antenna vibrator.

[0012] Optionally, mounting feet are provided on both sides of the lower shell, and mounting holes are provided on the mounting feet.

[0013] Optionally, the housing is detachably connected to a dashboard of the car via the mounting feet.

[0014] Optionally, a screw column is provided on the lower side of the instrument panel, a threaded hole is provided in the screw column, and the threaded hole matches the mounting hole.

[0015] Optionally, a connector is provided at the other end of the cable.

[0016] Optionally, electronic components are arranged on the printed circuit board.

[0017] The present invention provides a built-in car antenna, which has the following beneficial effects:

[0018] 1. The car's built-in antenna integrates a navigation antenna module and multiple 5G antenna vibrators, which are rich in functions and can meet the use requirements of modern cars;

[0019] 2. The car's built-in antenna improves the isolation between the navigation antenna module and the 5G antenna vibrator by setting a shielding cover on the printed circuit board, making the car's built-in antenna highly integrated and compact.

[0020] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein like reference numerals generally represent like components throughout the exemplary embodiments of the present invention.

[0022] Figure 1 A schematic diagram of the exploded structure of a built-in car antenna according to an embodiment of the present invention is shown.

[0023] Figure 2A schematic diagram of installing a built-in car antenna according to an embodiment of the present invention is shown.

[0024] Description of reference numerals:

[0025] 1. Navigation antenna module; 2. Ceramic antenna; 3. Printed circuit board; 4. Shielding cover; 5. 5G antenna vibrator; 6. Cable; 7. Lower shell; 8. Upper shell; 9. First snap-in plate; 10. Second snap-in plate; 11. Hook; 12. Card interface; 13. First wire hole; 14. Terminal; 15. Second wire hole; 16. Mounting foot; 17. Mounting hole; 18. Instrument panel; 19. Screw column; 20. Connector. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0027] The present invention provides a built-in automobile antenna, comprising:

[0028] A navigation antenna module includes a ceramic antenna, the ceramic antenna is connected to one side of a printed circuit board, and a shielding cover is provided on the other side of the printed circuit board;

[0029] A plurality of 5G antenna vibrators are arranged around the navigation antenna module, and a gap is arranged between the navigation antenna module;

[0030] The cable has one end connected to the printed circuit board and the 5G antenna element.

[0031] Specifically, the navigation antenna module contains high-precision navigation, GPS, Beidou, and Glonass navigation systems, making the built-in car antenna rich in functions and highly integrated; at the same time, by providing a shielding cover on the printed circuit board, the isolation between the navigation antenna module and the 5G antenna vibrator is improved, thereby improving the use effect of the built-in car antenna.

[0032] Optionally, the material of the shielding cover is nickel silver, brass, tinplate, etc.

[0033] Specifically, the shielding cover can be a PCB shielding cover, which can shield the electronic components soldered on the lower side of the printed circuit board.

[0034] Optionally, it also includes a shell, the navigation antenna module and the 5G antenna vibrator are arranged in the shell, and one end of the cable passes through the shell and is connected to the printed circuit board and the 5G antenna vibrator.

[0035] Specifically, the housing is an injection molded part, which is formed using an injection molding machine using an injection molding process.

[0036] Optionally, the shell includes a lower shell and an upper shell detachably connected to the lower shell, the printed circuit board is connected to the lower shell by bolts, and a clip is provided inside the lower shell, which is clipped to the 5G antenna vibrator.

[0037] Specifically, connecting columns are provided on the four corners of the lower shell, connecting threaded holes are provided in the connecting columns, and the upper shell is connected to the lower shell by bolts, which protects the navigation antenna module and 5G antenna vibrator inside the shell.

[0038] Optionally, the snap-in component includes a first snap-in plate and a second snap-in plate, a snap-in groove is formed between the first snap-in plate and the second snap-in plate, a snap-in hook is provided on one side of the first snap-in plate close to the second snap-in plate, a snap-in interface is provided on the 5G antenna element, and the snap-in hook cooperates with the card interface.

[0039] Specifically, the card slot can accommodate a 5G vibrator. When the 5G vibrator is inserted into the card slot, the hook on the first card plate is inserted into the card interface to fix multiple 5G antenna vibrators.

[0040] Optionally, a first wire passing hole is provided in the middle of the lower shell body, a terminal is provided in the first wire passing hole, a second wire passing hole is provided in the terminal post, and one end of the cable passes through the second wire passing hole and is connected to the printed circuit board and the 5G antenna vibrator.

[0041] Specifically, the terminal adopts a vulcanization molding process to protect the cable and prevent the cable from being worn by the hole wall of the first wire hole.

[0042] Optionally, mounting feet are provided on both sides of the lower shell, and mounting holes are provided on the mounting feet.

[0043] Specifically, the arrangement of the mounting feet and the mounting holes facilitates the installation of the built-in car antenna on the car.

[0044] Optionally, the housing is detachably connected to a dashboard of the vehicle via mounting feet.

[0045] In another example, the internal car antenna can be mounted within a rear spoiler of a car.

[0046] Optionally, a screw column is provided on the lower side of the instrument panel, a threaded hole is provided in the screw column, and the threaded hole matches the mounting hole.

[0047] Optionally, a connector is provided at the other end of the cable.

[0048] Specifically, multiple cables are provided, which are respectively connected to the navigation antenna module and the 5G antenna vibrator line, and the connector is used to connect the built-in car antenna to the car.

[0049] Optionally, electronic components are arranged on the printed circuit board.

[0050] Specifically, electronic components are welded on a printed circuit board to form a PCBA to realize the functions of the navigation antenna module.

[0051] Example

[0052] like Figure 1 and Figure 2 As shown, the present invention provides a built-in car antenna, comprising:

[0053] The navigation antenna module 1 includes a ceramic antenna 2, the ceramic antenna 2 is connected to one side of a printed circuit board 3, and a shielding cover 4 is provided on the other side of the printed circuit board 3;

[0054] A plurality of 5G antenna elements 5 are arranged around the navigation antenna module 1, and a gap is provided between the navigation antenna module 1;

[0055] One end of the cable 6 is connected to the printed circuit board 3 and the 5G antenna element 5 .

[0056] In this embodiment, a shell is also included, and the navigation antenna module 1 and the 5G antenna vibrator 5 are arranged in the shell. One end of the cable 6 passes through the shell and is connected to the printed circuit board 3 and the 5G antenna vibrator 5.

[0057] In this embodiment, the shell includes a lower shell 7 and an upper shell 8 detachably connected to the lower shell 7. The printed circuit board 3 is connected to the lower shell 7 by bolts. A clip is provided in the lower shell 7, and the clip is clipped to the 5G antenna element 5.

[0058] In this embodiment, the snap-in component includes a first snap-in plate 9 and a second snap-in plate 10, a snap-in groove is formed between the first snap-in plate 9 and the second snap-in plate 10, a snap-in hook 11 is provided on one side of the first snap-in plate 9 close to the second snap-in plate 10, and a snap-in interface 12 is provided on the 5G antenna element 5, and the snap-in hook 11 cooperates with the snap-in interface 12.

[0059] In this embodiment, a first wire passing hole 13 is provided in the middle of the lower shell body, a terminal 14 is provided in the first wire passing hole 13, a second wire passing hole 15 is provided in the terminal post 14, and one end of the cable 6 passes through the second wire passing hole 15 and is connected to the printed circuit board 3 and the 5G antenna vibrator 5.

[0060] In this embodiment, mounting feet 16 are provided on both sides of the lower shell 7 , and mounting holes 17 are formed on the mounting feet 16 .

[0061] In this embodiment, the housing is detachably connected to a dashboard 18 of the vehicle via mounting feet 16 .

[0062] In this embodiment, a screw column 19 is provided on the lower side of the instrument panel 18 , and a threaded hole is provided in the screw column 19 , and the threaded hole matches with the mounting hole 17 .

[0063] In this embodiment, a connector 20 is provided at the other end of the cable 6 .

[0064] In this embodiment, electronic components are arranged on the printed circuit board 3 .

[0065] In summary, when the built-in car antenna provided by the present invention is used, the built-in car antenna is installed on the lower side of the dashboard 18 of the car by using bolts through the mounting holes 17 on the mounting feet 16 and the threaded holes in the screw columns 19, and the built-in car antenna is connected to the car through the connector at the end of the cable 6. The built-in car antenna has an outer dimension of 127×115×40mm, and is compact and easy to install. A navigation antenna module 1 and four 5G antenna vibrators 5 are arranged inside the shell of the built-in car antenna. The navigation antenna module 1 contains high-precision navigation, GPS, Beidou, and Glonass navigation systems, so that the built-in car antenna has rich functions and high integration; at the same time, by arranging a shielding cover 4 on the printed circuit board 3, the isolation between the navigation antenna module 1 and the 5G antenna vibrator 5 is improved, thereby improving the use effect of the built-in car antenna.

[0066] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A built-in car antenna, characterized in that: include: A navigation antenna module, comprising a ceramic antenna, wherein the ceramic antenna is connected to one side of a printed circuit board, and a shielding cover is provided on the other side of the printed circuit board; A plurality of 5G antenna vibrators are arranged around the navigation antenna module, and a gap is provided between the plurality of 5G antenna vibrators and the navigation antenna module; A cable, one end of which is connected to the printed circuit board and the 5G antenna element; A housing, wherein the navigation antenna module and the 5G antenna vibrator are arranged in the housing, and the one end of the cable passes through the housing and is connected to the printed circuit board and the 5G antenna vibrator; There are multiple cables, which are respectively connected to the navigation antenna module and the 5G antenna vibrator line; The housing comprises a lower housing and an upper housing detachably connected to the lower housing, the printed circuit board is connected to the lower housing by bolts, a clamping member is provided inside the lower housing, and the clamping member is clamped to the 5G antenna vibrator; The clamping component includes a first clamping plate and a second clamping plate, a clamping groove is formed between the first clamping plate and the second clamping plate, a clamping hook is provided on one side of the first clamping plate close to the second clamping plate, a clamping interface is provided on the 5G antenna vibrator, and the clamping hook cooperates with the clamping interface.

2. The built-in car antenna according to claim 1, characterized in that: A first wire passing hole is provided in the middle of the lower shell body, a terminal is provided in the first wire passing hole, a second wire passing hole is provided in the terminal, and one end of the cable passes through the second wire passing hole and is connected to the printed circuit board and the 5G antenna vibrator.

3. The built-in car antenna according to claim 1, characterized in that: Mounting feet are arranged on both sides of the lower shell, and mounting holes are opened on the mounting feet.

4. The internal car antenna according to claim 3, characterized in that: The housing is detachably connected to a dashboard of a car via the mounting feet.

5. The internal car antenna according to claim 4, characterized in that: A screw column is arranged at the lower side of the instrument panel, a threaded hole is arranged in the screw column, and the threaded hole matches with the mounting hole.

6. The internal car antenna according to claim 1, characterized in that: The other end of the cable is provided with a connector.

7. The internal car antenna according to claim 1, characterized in that: Electronic components are arranged on the printed circuit board.

Citation Information

Patent Citations

  • Vehicle-borne two-in-one antenna

    CN105261832A

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    CN210006895U

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    CN212934861U