A shark fin antenna

Abstract

The invention discloses a shark fin antenna, which relates to the technical field of antennas, and comprises: a base; a mainboard, which is arranged on the base; a navigation antenna module, which is arranged on the upper side of one end of the mainboard; an AM / FM antenna module, which is arranged on the upper side of the other end of the mainboard; and a 4G antenna module, which is connected to the mainboard. The shark fin antenna comprises a navigation antenna module, an AM / FM antenna module and a 4G antenna module, and has rich functions and high integration.

Description

Technical Field

[0001] The present invention belongs to the technical field of antennas, and more specifically, relates to a shark fin antenna. Background Art

[0002] Traditional car antennas include telescopic antennas, stiff antennas and car glass antennas. Shark fin car antennas are named after their "shark fin" shape. Their fashionable, dynamic, cool appearance and powerful automotive electronic functions have gradually replaced and surpassed the original rod antennas. However, the existing shark fin antennas have limited internal space, and it is difficult to arrange multiple antenna modules in a limited space, so they have a single function. Summary of the invention

[0003] The purpose of the present invention is to provide a shark fin antenna with a navigation antenna module, an AM / FM antenna module and a 4G antenna module in view of the deficiencies in the prior art, which has rich functions and high integration.

[0004] In order to achieve the above object, the present invention provides a shark fin antenna, comprising:

[0005] Base;

[0006] A mainboard, arranged on the base;

[0007] A navigation antenna module is arranged on the upper side of one end of the main board;

[0008] An AM / FM antenna module is disposed on the upper side of the other end of the main board;

[0009] The 4G antenna module is connected to the main board.

[0010] Optionally, the main board is a printed circuit board, and electronic components are arranged on the printed circuit board.

[0011] Optionally, the navigation antenna module includes:

[0012] A dielectric layer, the bottom of which is connected to the main board, and the dielectric layer is provided with a connection hole;

[0013] A silver paste antenna, printed on top of the dielectric layer;

[0014] A pin is inserted into the connection hole, one end of which is connected to the mainboard, and the other end of which is connected to the silver paste antenna.

[0015] Optionally, the AM / FM antenna module includes:

[0016] a substrate assembly, wherein the cross section of the substrate assembly is cross-shaped, one end of the substrate assembly is connected to the mainboard, and the other end of the substrate assembly is inclined in a direction away from the navigation antenna module;

[0017] An AM / FM antenna vibrator is arranged at the other end of the substrate assembly;

[0018] The coil is wound on the outer periphery of the substrate assembly, one end of which is connected to the main board, and the other end of which is connected to the AM / FM antenna vibrator.

[0019] Optionally, the substrate assembly comprises:

[0020] A first substrate, one end of which is connected to the other end of the main board, and the other end of which is provided with a first notch, and both sides of the first substrate are provided with first wire grooves;

[0021] The second substrate has a second notch matched with the first notch at one end and a connecting portion at the other end. The second substrate is connected to the first substrate through the matching of the second notch with the first notch, and second wire grooves are evenly distributed on both sides of the second substrate.

[0022] Optionally, a connection hole is provided on the AM / FM antenna vibrator, the connection part is inserted into the connection hole, and the coil is embedded in the first wire groove and the second wire groove.

[0023] Optionally, the 4G antenna module includes a 4G antenna vibrator, which is connected to the mainboard, and includes a first part, a second part and a third part, wherein the first part, the second part and the third part form a U-shaped structure, the first part is arranged between the substrate assembly and the navigation antenna module, and the second part and the third part are respectively arranged on both sides of the substrate assembly.

[0024] Optionally, it also includes a shell, a housing is provided inside the shell, the lower end of the shell is connected to the base, and the housing can accommodate the mainboard, the navigation antenna module, the AM / FM antenna module and the 4G antenna module.

[0025] The present invention provides a shark fin antenna, which has the following beneficial effects:

[0026] 1. The shark fin antenna has navigation antenna module, AM / FM antenna module and 4G antenna module, which is rich in functions;

[0027] 2. The shark fin antenna integrates the navigation antenna module, AM / FM antenna module and 4G antenna module on a mainboard, with compact structure and high integration.

[0028] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] 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.

[0030] Figure 1 A schematic diagram of the appearance of a shark fin antenna according to an embodiment of the present invention is shown.

[0031] Figure 2 A schematic diagram of the internal structure of a shark fin antenna according to an embodiment of the present invention is shown.

[0032] Figure 3 A schematic diagram of the internal structure decomposition of a shark fin antenna according to an embodiment of the present invention is shown.

[0033] Figure 4 A schematic structural diagram of a navigation antenna module of a shark fin antenna according to an embodiment of the present invention is shown.

[0034] Description of reference numerals:

[0035] 1. Base; 2. Mainboard; 3. Navigation antenna module; 4. AM / FM antenna module; 5. 4G antenna module; 6. Dielectric layer; 7. Silver paste antenna; 8. Pin needle; 9. AM / FM antenna vibrator; 10. Coil; 11. First substrate; 12. First notch; 13. First wire groove; 14. Second substrate; 15. Second notch; 16. Connecting part; 17. Second wire groove; 18. 4G antenna vibrator; 19. First part; 20. Second part; 21. Third part; 22. Casing. DETAILED DESCRIPTION

[0036] 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.

[0037] The present invention provides a shark fin antenna, comprising:

[0038] Base;

[0039] A mainboard is arranged on the base;

[0040] A navigation antenna module is arranged on the upper side of one end of the main board;

[0041] AM / FM antenna module, arranged on the upper side of the other end of the main board;

[0042] 4G antenna module, connected to the mainboard.

[0043] Specifically, the navigation antenna module and the AM / FM antenna module are respectively arranged on the upper sides of both ends of the main board, the 4G antenna vibrator of the 4G antenna module is arranged between the navigation antenna module and the AM / FM antenna module, both ends of the 4G antenna vibrator are bent toward the AM / FM antenna module, and the 4G antenna vibrator forms a U-shaped structure, which surrounds the AM / FM antenna module inside the open end of the U-shaped structure; the shark fin antenna integrates the navigation antenna module, the AM / FM antenna module and the 4G antenna module on the same main board, so that the shark fin antenna is small in size, compact in structure and highly integrated.

[0044] Optionally, the main board is a printed circuit board, and electronic components are arranged on the printed circuit board.

[0045] Specifically, electronic components are welded on a printed circuit board to form a PCBA, and a navigation antenna module, an AM / FM antenna module, and a 4G antenna module are connected to the PCBA to achieve signal transmission.

[0046] Optionally, the navigation antenna module includes:

[0047] The dielectric layer has a bottom portion connected to the main board and a connection hole is provided in the dielectric layer;

[0048] Silver paste antenna, printed on top of the dielectric layer;

[0049] The pin is inserted into the connection hole, one end of which is connected to the mainboard and the other end is connected to the silver paste antenna.

[0050] Specifically, two connection holes and two pin needles are respectively provided, and the navigation antenna module adopts dual feed point output. The frequency band performance of the navigation antenna module can be adjusted by changing the shape of the silver paste antenna.

[0051] Optionally, the AM / FM antenna module includes:

[0052] A base plate assembly, wherein the cross section of the base plate assembly is cross-shaped, one end of the base plate assembly is connected to the main board, and the other end of the base plate assembly is inclined in a direction away from the navigation antenna module;

[0053] An AM / FM antenna vibrator is disposed at the other end of the substrate assembly;

[0054] The coil is wound around the outer periphery of the substrate assembly, one end of which is connected to the main board, and the other end of which is connected to the AM / FM antenna vibrator.

[0055] Specifically, the AM / FM antenna vibrator is welded and fixed to the other end of the substrate assembly. By changing the length of the coil, the resonant frequency of the AM / FM antenna module can be adjusted so that it operates in the AM / FM frequency band; the other end of the substrate assembly is tilted away from the navigation antenna module, which enables the substrate assembly to adapt to the shape of the shark fin-shaped shell, has good space utilization, and saves space.

[0056] In other examples, the AM / FM antenna module may also adopt other surrounding methods, and the AM / FM antenna module may also adopt a PCB silk-screen antenna.

[0057] Optionally, the base plate assembly includes:

[0058] A first substrate, one end of which is connected to the other end of the main board, and the other end of which is provided with a first notch, and both sides of the first substrate are evenly provided with first wire grooves;

[0059] The second substrate has a second notch matched with the first notch at one end and a connecting portion at the other end. The second substrate is connected to the first substrate through the matching of the second notch and the first notch. Second wire grooves are evenly distributed on both sides of the second substrate.

[0060] Specifically, the first notch and the second notch are plugged into each other so that the first substrate is connected to the second substrate, and the positions of the first wire groove and the second wire groove match each other so that the coil is in a spiral rising state when it is wound in the first wire groove and the second wire groove.

[0061] Optionally, a connection hole is provided on the AM / FM antenna vibrator, the connection part is inserted into the connection hole, and the coil is embedded in the first wire groove and the second wire groove.

[0062] Specifically, the connecting portion can be inserted into the connecting hole, and then the AM / FM antenna element can be fixed on the second substrate by welding.

[0063] Optionally, the 4G antenna module includes a 4G antenna vibrator, which is connected to the mainboard. The 4G antenna vibrator includes a first part, a second part and a third part. The first part, the second part and the third part form a U-shaped structure. The first part is arranged between the substrate assembly and the navigation antenna module, and the second part and the third part are respectively arranged on both sides of the substrate assembly.

[0064] Specifically, the 4G antenna vibrator forms a U-shaped structure, which surrounds the AM / FM antenna module inside the open end of the U-shaped structure. It can not only adjust the resonant frequency of the 4G antenna module by changing the routing, length and shape of the 4G antenna vibrator, but also make the structure of the shark fin antenna more compact, save space and reduce the volume of the shark fin antenna.

[0065] Optionally, it also includes a shell, a housing cavity is opened inside the shell, the lower end of the shell is connected to the base, and the housing cavity can accommodate the mainboard, the navigation antenna module, the AM / FM antenna module and the 4G antenna module.

[0066] Specifically, the outer shell is in the shape of a shark fin, and the outer shell is connected to the base so that the accommodating cavity forms a closed space to protect the mainboard, navigation antenna module, AM / FM antenna module and 4G antenna module in the accommodating cavity.

[0067] Example

[0068] like Figures 1 to 4 As shown, the present invention provides a shark fin antenna, comprising:

[0069] Base 1;

[0070] A main board 2 is arranged on the base 1;

[0071] A navigation antenna module 3 is arranged on the upper side of one end of the main board 2;

[0072] AM / FM antenna module 4, disposed on the upper side of the other end of the main board 2;

[0073] The 4G antenna module 5 is connected to the main board 2 .

[0074] In this embodiment, the main board 2 is a printed circuit board, on which electronic components are arranged.

[0075] In this embodiment, the navigation antenna module 3 includes:

[0076] The dielectric layer 6 is connected to the main board 2 at the bottom, and the dielectric layer 6 is provided with a connection hole;

[0077] Silver paste antenna 7, printed on the top of dielectric layer 7;

[0078] The pin 8 is inserted into the connection hole, one end of which is connected to the mainboard 2 , and the other end of which is connected to the silver paste antenna 7 .

[0079] In this embodiment, the AM / FM antenna module 4 includes:

[0080] A base plate assembly, wherein the cross section of the base plate assembly is cross-shaped, one end of the base plate assembly is connected to the main board 2, and the other end of the base plate assembly is inclined in a direction away from the navigation antenna module 3;

[0081] AM / FM antenna vibrator 9, arranged at the other end of the substrate assembly;

[0082] The coil 10 is wound around the outer periphery of the substrate assembly, one end of which is connected to the main board 2 , and the other end of which is connected to the AM / FM antenna element 9 .

[0083] In this embodiment, the substrate assembly includes:

[0084] A first base plate 11, one end of which is connected to the other end of the main board 2, and the other end of which is provided with a first notch 12, and both sides of the first base plate 11 are evenly provided with first wire grooves 13;

[0085] The second substrate 14 has a second notch 15 at one end that matches the first notch 12 and a connecting portion 16 at the other end. The second substrate 14 is connected to the first substrate 11 through the cooperation between the second notch 15 and the first notch 12 . Second wire grooves 17 are evenly distributed on both sides of the second substrate 14 .

[0086] In this embodiment, a connection hole is opened on the AM / FM antenna element 9 , the connection portion 16 is inserted into the connection hole, and the coil 10 is embedded in the first wire slot 13 and the second wire slot 17 .

[0087] In this embodiment, the 4G antenna module 5 includes a 4G antenna vibrator 18, which is connected to the mainboard 2. The 4G antenna vibrator 18 includes a first part 19, a second part 20 and a third part 21. The first part 19, the second part 20 and the third part 21 form a U-shaped structure. The first part 19 is arranged between the substrate assembly and the navigation antenna module 3, and the second part 20 and the third part 21 are respectively arranged on both sides of the substrate assembly.

[0088] In this embodiment, it also includes a shell 22, and a accommodating cavity is opened inside the shell 22. The lower end of the shell 22 is connected to the base 1, and the accommodating cavity can accommodate the mainboard 2, the navigation antenna module 3, the AM / FM antenna module 4 and the 4G antenna module 5.

[0089] In summary, when the shark fin antenna provided by the present invention is used, the navigation antenna module 3, AM / FM antenna module 4 and 4G antenna module 5 on the mainboard can realize multiple antenna functions, and the navigation antenna module 3, AM / FM antenna module 4 and 4G antenna module 5 are all integrated on the same mainboard 2, so that the shark fin antenna is small in size, compact in structure and highly integrated. Among them, the navigation antenna module 3 adopts dual feed point output, and its frequency band performance can be adjusted by changing the shape of the silver paste antenna 7 printed on its top; the AM / FM antenna module 4 can adjust the resonant frequency by changing the length of its coil 10, so that it works in the AM / FM frequency band; the 4G antenna module 5 can adjust the resonant frequency by changing the length and shape of its 4G antenna vibrator 18, so that it works in the 4G frequency band.

[0090] 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 shark fin antenna, characterized in that: include: Base; A mainboard, arranged on the base; A navigation antenna module is arranged on the upper side of one end of the main board; An AM / FM antenna module is disposed on the upper side of the other end of the main board; A 4G antenna module connected to the mainboard; The main board is a printed circuit board, and electronic components are arranged on the printed circuit board; The AM / FM antenna module includes: a base plate assembly, wherein the cross section of the base plate assembly is cross-shaped, one end of the base plate assembly is connected to the main board, and the other end of the base plate assembly is inclined in a direction away from the navigation antenna module; An AM / FM antenna vibrator is arranged at the other end of the substrate assembly; A coil, wound around the outer periphery of the substrate assembly, one end of which is connected to the main board, and the other end of which is connected to the AM / FM antenna vibrator; The 4G antenna module includes a 4G antenna vibrator, which is connected to the mainboard. The 4G antenna vibrator includes a first part, a second part and a third part. The first part, the second part and the third part form a U-shaped structure. The first part is arranged between the substrate assembly and the navigation antenna module, and the second part and the third part are respectively arranged on both sides of the substrate assembly.

2. The shark fin antenna according to claim 1, characterized in that: The navigation antenna module comprises: A dielectric layer, the bottom of which is connected to the main board, and the dielectric layer is provided with a connection hole; A silver paste antenna, printed on top of the dielectric layer; A pin is inserted into the connection hole, one end of which is connected to the mainboard, and the other end of which is connected to the silver paste antenna.

3. The shark fin antenna according to claim 1, characterized in that: The substrate assembly comprises: A first substrate, one end of which is connected to the other end of the main board, and the other end of which is provided with a first notch, and both sides of the first substrate are provided with first wire grooves; The second substrate has a second notch matched with the first notch at one end and a connecting portion at the other end. The second substrate is connected to the first substrate through the matching of the second notch with the first notch, and second wire grooves are evenly distributed on both sides of the second substrate.

4. The shark fin antenna according to claim 3, characterized in that: A connection hole is provided on the AM / FM antenna vibrator, the connection part is inserted into the connection hole, and the coil is embedded in the first wire slot and the second wire slot.

5. The shark fin antenna according to claim 1, characterized in that: It also includes a shell, a housing cavity is opened inside the shell, the lower end of the shell is connected to the base, and the housing cavity can accommodate the mainboard, the navigation antenna module, the AM / FM antenna module and the 4G antenna module.

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