CN217691629U - Vehicle-mounted built-in antenna box - Google Patents
Vehicle-mounted built-in antenna box Download PDFInfo
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- CN217691629U CN217691629U CN202221568870.5U CN202221568870U CN217691629U CN 217691629 U CN217691629 U CN 217691629U CN 202221568870 U CN202221568870 U CN 202221568870U CN 217691629 U CN217691629 U CN 217691629U
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Abstract
The utility model discloses an on-vehicle built-in antenna box relates to mobile communication technical field, include: the antenna box comprises an antenna box body, a first fixing part and a second fixing part, wherein the antenna box body comprises an upper cover and a lower cover; the main antenna and the auxiliary antenna are respectively arranged at two ends of the upper side of the lower cover, and a GNSS antenna is arranged between the main antenna and the auxiliary antenna; according to the vehicle-mounted built-in antenna box, the GNSS antenna is arranged between the main antenna and the auxiliary antenna, a separated installation mode is formed, and the isolation of the two antennas is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of mobile communication, more specifically relates to an on-vehicle built-in antenna box.
Background
At present, due to the fact that the size of a box of an existing vehicle-mounted built-in antenna is limited, if the dual LTE antenna is formed into vertical polarization, high isolation (LTE low frequency is larger than-15 dB) is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide a vehicle-mounted built-in antenna box, this vehicle-mounted built-in antenna box forms the mounting means of separation with the GNSS antenna setting between main antenna and auxiliary antenna, has guaranteed the isolation of two antennas.
In order to achieve the above object, the utility model provides a vehicle-mounted built-in antenna box, include:
the antenna box comprises an antenna box body, a base and a cover, wherein the antenna box body comprises an upper cover and a lower cover;
the main antenna and the auxiliary antenna are respectively arranged at two ends of the upper side of the lower cover, and a GNSS antenna is arranged between the main antenna and the auxiliary antenna.
Optionally, the main antenna and the secondary antenna are both metal PIFA antennas.
Optionally, the low frequency range of the metal PIFA antenna is 824Mhz-960Mhz, and the high frequency range of the metal PIFA antenna is 1.71Ghz-2.69Ghz.
Optionally, the main antenna and the secondary antenna are connected to the first PCB and the second PCB, respectively.
Optionally, the first PCB and the second PCB are riveted to the lower cover.
Optionally, the PCB further comprises a first cable and a second cable, and the first cable and the second cable are connected with the PCB in a welding manner.
Optionally, the separation distance between the first cable and the second cable is greater than 50mm.
Optionally, the full-band range of the GNSS antenna is 1559Mhz to 1605Mhz.
Optionally, a bracket is disposed between the GNSS antenna and the lower cover.
Optionally, a shielding cover is disposed at the bottom of the GNSS antenna.
The utility model provides a vehicle-mounted built-in antenna box, its beneficial effect lies in: the main antenna and the auxiliary antenna in the vehicle-mounted built-in antenna box are both metal PIFA antennas, the two PIFA antennas are installed on the two PCB boards in a separated mode, and the GNSS antenna is additionally provided with the support and the shielding case, so that the high isolation of the vehicle-mounted built-in antenna box is ensured.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows an external structural schematic diagram of a vehicle-mounted internal antenna box according to an embodiment of the present invention.
Fig. 2 shows a top view of fig. 1.
Fig. 3 shows an internal structural schematic diagram of a vehicle-mounted internal antenna box according to an embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of the upper cover according to an embodiment of the present invention.
Description of reference numerals:
1. an antenna case body; 2. an upper cover; 3. a lower cover; 4. a main antenna; 5. a secondary antenna; 6. a GNSS antenna; 7. a first PCB board; 8. a second PCB board; 9. a first cable; 10. a second cable; 11. a support; 12. a shield can.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a vehicle-mounted built-in antenna box, include:
the antenna box comprises an antenna box body, a first fixing part and a second fixing part, wherein the antenna box body comprises an upper cover and a lower cover;
and the main antenna and the auxiliary antenna are respectively arranged at two ends of the upper side of the lower cover, and a GNSS antenna is arranged between the main antenna and the auxiliary antenna.
Specifically, the structure and the size of the original antenna box body are reserved for the vehicle-mounted built-in antenna box, the main antenna and the auxiliary antenna are installed in the vehicle-mounted built-in antenna box in a separated mode, the GNSS antenna is arranged between the two antennas, and high isolation of the vehicle-mounted built-in antenna box is guaranteed.
Optionally, the primary antenna and the secondary antenna are both metallic PIFA antennas.
Optionally, the low frequency range of the metal PIFA antenna is 824Mhz-960Mhz, and the high frequency range of the metal PIFA antenna is 1.71Ghz-2.69Ghz.
Specifically, the main antenna and the auxiliary antenna are metal PIFA antennas, the frequency range of the two antennas is wide, the original configuration of one high-frequency antenna and one low-frequency antenna is replaced, the vertical polarization is good, and the elevation gain in the horizontal direction is high.
Optionally, the primary antenna and the secondary antenna are connected to the first PCB and the second PCB, respectively.
Optionally, the first PCB and the second PCB are riveted on the lower cover.
Optionally, the PCB further comprises a first cable and a second cable, and the first cable and the second cable are connected with the PCB in a welding mode.
Optionally, the separation distance between the first cable and the second cable is greater than 50mm.
Specifically, main antenna and vice antenna weld respectively on the PCB board of difference, and the PCB board is riveted under on the lid again to adopt first cable and second cable to connect as line output mode, be greater than 50mm interval between two cables, guarantee main antenna and vice antenna's isolation.
Optionally, the full frequency band range of the GNSS antenna is 1559Mhz-1605Mhz.
Optionally, a bracket is disposed between the GNSS antenna and the lower cover.
Optionally, the bottom of the GNSS antenna is provided with a shielding cover.
Specifically, the GNSS antenna arranged between the main antenna and the auxiliary antenna is independently installed between the two antennas, and is heightened through the support, and the large-sized shielding case is additionally installed at the bottom of the GNSS antenna, so that the effect of inhibiting the coupling of the two antennas can be achieved.
Examples
As shown in fig. 1 to 4, the utility model provides a vehicle-mounted built-in antenna box, include:
the antenna box comprises an antenna box body 1, an antenna box body and a control device, wherein the antenna box body comprises an upper cover 2 and a lower cover 3;
and the main antenna 4 and the auxiliary antenna 5 are respectively arranged at two ends of the upper side of the lower cover 3, and a GNSS antenna 6 is arranged between the main antenna 4 and the auxiliary antenna 5.
In this embodiment, the main antenna 4 and the secondary antenna 5 are both metallic PIFA antennas.
In the embodiment, the low frequency range of the metal PIFA antenna is 824Mhz-960Mhz, and the high frequency range of the metal PIFA antenna is 1.71Ghz-2.69Ghz.
In the present embodiment, the main antenna 4 and the sub antenna 5 are connected to the first PCB board 7 and the second PCB board 8, respectively.
In the present embodiment, the first PCB board 7 and the second PCB board 8 are riveted to the lower cover 3.
In this embodiment, a first cable 9 and a second cable 10 are further included, and the first cable 9 and the second cable 10 are respectively connected to the first PCB 7 and the second PCB 8 by soldering.
In this embodiment, the separation distance between the first cable 9 and the second cable 10 is greater than 50mm.
In this embodiment, the full frequency band range of the GNSS antenna 6 is 1559Mhz-1605Mhz.
In the present embodiment, a bracket 11 is disposed between the GNSS antenna 6 and the lower cover 3.
In this embodiment, the bottom of the GNSS antenna 6 is provided with a shield 12.
In summary, in the vehicle-mounted built-in antenna box, the main antenna 4 and the auxiliary antenna 5 are separated by the GNSS antenna 6, the GNSS antenna 6 is heightened by the bracket 11, and the shielding cover 12 is placed below the GNSS antenna 6, so that the isolation between the main antenna 4 and the auxiliary antenna 5 is improved.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. An on-vehicle built-in antenna box, characterized by comprising:
the antenna box comprises an antenna box body, a base and a cover, wherein the antenna box body comprises an upper cover and a lower cover;
the main antenna and the auxiliary antenna are respectively arranged at two ends of the upper side of the lower cover, and a GNSS antenna is arranged between the main antenna and the auxiliary antenna.
2. The in-vehicle built-in antenna box according to claim 1, characterized in that said main antenna and said secondary antenna are both metallic PIFA antennas.
3. The in-vehicle built-in antenna box according to claim 2, characterized in that the low frequency range of said metallic PIFA antenna is 824Mhz-960Mhz, and the high frequency range of said metallic PIFA antenna is 1.71Ghz-2.69Ghz.
4. The in-vehicle built-in antenna box according to claim 3, wherein the main antenna and the sub antenna are connected to a first PCB board and a second PCB board, respectively.
5. The in-vehicle built-in antenna box according to claim 4, wherein the first PCB board and the second PCB board are riveted on the lower cover.
6. The vehicle built-in antenna box according to claim 4, further comprising a first cable and a second cable, wherein the first cable and the second cable are connected with the PCB by welding.
7. The in-vehicle built-in antenna box according to claim 6, characterized in that a spacing distance between said first cable and said second cable is greater than 50mm.
8. The vehicle-mounted internal antenna box according to claim 1, wherein the full-band range of the GNSS antenna is 1559Mhz-1605Mhz.
9. The in-vehicle internal antenna box according to claim 8, wherein a bracket is disposed between the GNSS antenna and the lower cover.
10. The in-vehicle built-in antenna box according to claim 8, wherein a shielding cover is provided at a bottom of the GNSS antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568870.5U CN217691629U (en) | 2022-06-22 | 2022-06-22 | Vehicle-mounted built-in antenna box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568870.5U CN217691629U (en) | 2022-06-22 | 2022-06-22 | Vehicle-mounted built-in antenna box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217691629U true CN217691629U (en) | 2022-10-28 |
Family
ID=83711188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221568870.5U Active CN217691629U (en) | 2022-06-22 | 2022-06-22 | Vehicle-mounted built-in antenna box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217691629U (en) |
-
2022
- 2022-06-22 CN CN202221568870.5U patent/CN217691629U/en active Active
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