CN213989204U

CN213989204U - Antenna module for covering various GNSS signals

Info

Publication number: CN213989204U
Application number: CN202023319992.4U
Authority: CN
Inventors: 李文杰; 王红洋; 孙力
Original assignee: Fuba Automotive Antenna Suzhou Co ltd
Current assignee: Fuba Automotive Antenna Suzhou Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-17
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a cover antenna module group of multiple GNSS signal, be in including shell, setting the shell in PCBA, setting be in PCBA on the GNSS antenna, the shell include casing and lid, PCBA set up the casing on, the GNSS antenna be located PCBA with the lid between, the lid on the internal surface on be provided with first convex part, first convex part with the GNSS antenna press PCBA on. The utility model adopts a convex part pressing mode for the GNSS antenna in the shell, so that the frequency band range of the received GPS signal is wider, and the frequency band shifts to the Beidou navigation system; the convex part is arranged on the shell instead of a skid, so that the material is saved, the time for installing the box is reduced, and the aim of reducing the production cost is fulfilled; the module can be hidden in the center console, so that the wind resistance is reduced, and the attractiveness is improved.

Description

Antenna module for covering various GNSS signals

Technical Field

The utility model relates to an automotive electronics communication field, concretely relates to cover antenna module of multiple GNSS signal.

Background

In the prior art, a general GPS antenna is a ceramic antenna, the gain is not high, the positioning cannot be carried out by 100%, and a plurality of things can influence GPS communication, including a sky star distribution state, a building, a viaduct, radio waves, leaves and the like. Some performance may be enhanced by mounting on the roof of the car, but a GPS antenna mounted on the roof of the car results in increased wind resistance and aesthetic appeal.

In the prior art, a mode that a cushion wood is arranged on an antenna is adopted to enhance signals, but due to the fact that the frequency of the signals of the Beidou satellite positioning system is low, the frequency range of the received antenna cannot well cover the frequency of the signals of the Beidou satellite positioning system. There is a need for an antenna that can achieve a wider frequency band range and reduce manufacturing costs.

Disclosure of Invention

The utility model aims at providing a cover multiple GNSS signal's antenna module.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an antenna module group covering various GNSS signals comprises a shell, a PCBA arranged in the shell and a GNSS antenna arranged on the PCBA, wherein the shell comprises a shell body and a cover body, the PCBA is arranged on the shell body, the GNSS antenna is positioned between the PCBA and the cover body, a first convex part is arranged on the inner surface of the cover body, and the GNSS antenna is pressed on the PCBA by the first convex part.

Preferably, the GNSS antenna has a GNSS body parallel to the PCBA, a GNSS leg connected to the PCBA, and the first convex portion presses on the GNSS body.

Further preferably, the shape of the first convex part matches with the shape of the GNSS body.

Further preferably, a through hole is formed in the middle of the GNSS main body, a second convex part matched with the through hole is arranged on the first convex part, and the second convex part extends into the through hole.

Still further preferably, a pressing strip is arranged on the first convex part, the pressing strip is arranged around the second convex part, and the pressing strip presses on the GNSS main body.

Preferably, a bracket is arranged on the PCBA, the GNSS antenna is arranged on the bracket, and the first convex part presses the GNSS antenna against the bracket.

Preferably, the GNSS antenna is disposed in the middle of the housing, and the first protrusion is correspondingly disposed in the middle of the cover.

Preferably, the cover and the first protrusion are integrally provided.

Further preferably, the cover body is recessed from outside to inside to form the first convex portion.

Preferably, the first convex part is made of plastic.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model adopts a convex part pressing mode for the GNSS antenna in the shell, so that the frequency band range of the received GPS signal is wider, and the frequency band shifts to the Beidou navigation system; the convex part is arranged on the shell instead of a skid, so that the material is saved, the time for installing the box is reduced, and the aim of reducing the production cost is fulfilled; the module can be hidden in the center console, so that the wind resistance is reduced, and the attractiveness is improved.

Drawings

FIG. 1 is a schematic exploded view of the present embodiment;

FIG. 2 is a schematic structural diagram of the cover in the present embodiment;

FIGS. 3-5 are graphs showing the results of the tests of this example.

In the above drawings: 1. a cover body; 11. a first convex portion; 12. a second convex portion; 13. layering; 14. a latch hook; 2. a housing; 21. a supporting strip; 22. an interface opening; 23. an installation part; 24. locking; 3. PCBA; 31. a support; 4. a GNSS antenna; 41. a GNSS body; 42. a GNSS leg; 43. a through hole; 5. a mobile communication antenna; 6. an output interface; 7. a bolt assembly; 8. and (4) a label.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, an antenna module for covering multiple GNSS signals includes a housing, a PCBA3 disposed in the housing, a GNSS antenna 4 and a mobile communication antenna 5 disposed on the PCBA3, and an output interface 6 connected to the PCBA 3. In the present embodiment, two mobile communication antennas 5 are provided and connected to the PCBA3 through the feed point, one GNSS antenna 4 is provided and connected to the PCBA3 through a coupling, and the GNSS antenna 4 is located between the two mobile communication antennas 5 and at the center of the PCBA 3.

The GNSS antenna 4 is made of a metal material, and includes a sheet-shaped GNSS main body 41 and four GNSS legs 42 connected to the periphery of the GNSS main body 41, wherein a through hole 43 is formed in the GNSS main body 41, and the through hole 43 is located in the center of the GNSS main body 41. PCBA3 is provided with support 31, support 31 is made of plastic, GNSS support leg 42 is connected to support 31, and GNSS main body 41 is parallel to PCBA 3.

The shell is made of plastic materials and comprises a shell body 2 and a cover body 1. A plurality of interface openings 22 have been seted up on the both ends lateral wall of casing 2, have seted up four interface openings 22 and two liang of distributions at the both ends of casing 2 in this embodiment, are provided with many parallel arrangement's support bar 21 in the casing 2, and the both ends of support bar 21 are connected with the both ends of casing 2. The PCBA3 is erected on the supporting bars 21 and connected with the shell 2 through the bolt assemblies 7, four output interfaces 6 are connected to the PCBA3 and distributed at two ends of the PCBA3, the output interfaces 6 extend out of the shell 2 through the interface openings 22, and the PCBA3 is parallel to the bottom surface of the shell 2 and located on four sides of the shell 2 to be connected.

The inner surface of the cover 1 is provided with a first protrusion 11, the first protrusion 11 is disposed at the center of the cover 1 corresponding to the position of the GNSS antenna 4, the shape of the first protrusion 11 matches the shape of the GNSS main body 41, and the first protrusion 11 can cover the entire GNSS main body 41 when the cover 1 is closed. The center of the first protrusion 11 is provided with a second protrusion 12, and the second protrusion 12 matches the shape of the through hole 43. The surfaces of the first convex parts 11 are provided with a plurality of beads 13, the beads 13 are positioned at two sides of the second convex parts 12, the beads 13 are connected with the second convex parts 12 and extend towards two ends of the cover body 1 perpendicular to the second convex parts 12, and the height of the beads 13 on the first convex parts 11 is smaller than that of the second convex parts 12 on the first convex parts 11. When the cover 1 is closed on the casing 2, the second protrusion 12 extends into the through hole 43, and the bead 13 presses on the GNSS body 41. The first projection 11 is provided integrally with the lid body 1, and the first projection 11 is formed by recessing the lid body 1 from the outside inward.

The housing also includes a mounting portion 23 and a locking assembly. The mounting parts 23 are provided with two parts and located at two sides of the shell 2, and mounting holes are formed in the mounting parts 23. The locking assembly comprises a lock catch 24 arranged on the shell 2 and a lock hook 14 arranged on the cover body 1, when the lock hook 14 is hooked on the lock catch 24, the cover body 1 and the shell 2 are tightly covered, and in the embodiment, the locking assembly is provided with four groups and two groups of locking assemblies are distributed on two sides of the shell. The concave part of the first convex part 11 formed on the outer surface of the cover body 1 can be used for attaching the label 8 of the antenna module.

As shown in fig. 3-5, which are schematic diagrams of the test results of low noise amplification of GNSS signals of the antenna module, it can be seen that the S parameter, the gain, and the output impedance all meet the specification requirements.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An antenna module group covering multiple GNSS signals, includes the shell, sets up the PCBA in the shell, set up the GNSS antenna on the PCBA, its characterized in that: the shell comprises a shell body and a cover body, the PCBA is arranged on the shell body, the GNSS antenna is located between the PCBA and the cover body, a first protruding portion is arranged on the inner surface of the cover body, and the GNSS antenna is pressed on the PCBA by the first protruding portion.

2. The antenna module of claim 1, wherein the antenna module is configured to cover a plurality of GNSS signals: the GNSS antenna is provided with a GNSS main body and a GNSS supporting leg, the GNSS main body is parallel to the PCBA, the GNSS supporting leg is connected with the PCBA, and the first convex part is pressed on the GNSS main body.

3. The antenna module of claim 2, wherein the antenna module is configured to cover a plurality of GNSS signals: the shape of the first convex part is matched with that of the GNSS body.

4. The antenna module of claim 2, wherein the antenna module is configured to cover a plurality of GNSS signals: the GNSS body is provided with a through hole in the middle, the first convex part is provided with a second convex part matched with the through hole, and the second convex part extends into the through hole.

5. The antenna module of claim 4, wherein the antenna module is configured to cover multiple GNSS signals: the first convex part is provided with a pressing strip, the pressing strip is arranged on the periphery of the second convex part, and the pressing strip presses the GNSS main body.

6. The antenna module of claim 1, wherein the antenna module is configured to cover a plurality of GNSS signals: the PCBA is provided with a support, the GNSS antenna is arranged on the support, and the first convex part presses the GNSS antenna on the support.

7. The antenna module of claim 1, wherein the antenna module is configured to cover a plurality of GNSS signals: the GNSS antenna is arranged in the middle of the shell, and the first convex part is correspondingly arranged in the middle of the cover body.

8. The antenna module of claim 1, wherein the antenna module is configured to cover a plurality of GNSS signals: the cover body and the first convex part are integrally arranged.

9. The antenna module of claim 8, wherein said antenna module is configured to cover multiple GNSS signals: the cover body is sunken from outside to inside to form the first convex part.

10. The antenna module of claim 1, wherein the antenna module is configured to cover a plurality of GNSS signals: the first convex part is made of plastic.