Vehicle-mounted navigation antenna

Abstract

The utility model provides a vehicle-mounted navigation antenna, which relates to the technical field of automobile antennas and comprises a shell, a first antenna, a second antenna and a third antenna. The printed circuit board is arranged in the accommodating cavity; the medium navigation antenna is arranged on the printed circuit board; one end of the first cable and one end of the second cable are respectively connected with different frequency band output ends of the medium navigation antenna through the printed circuit board, and the other end of the first cable and the other end of the second cable are respectively used for being connected with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box; the problem that in the prior art, in order to meet the navigation antenna requirements of a T-BOX and an intelligent driving box, two high-precision navigation antennas need to be carried is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile antenna, more particularly, relate to a vehicle navigation antenna. BACKGROUND

[0002] With the continuous development of science and technology, intelligent driving function becomes more and more mainstream in the automobile industry. At present, due to the different performance parameters of T-BOX and intelligent driving box, the vehicle manufacturer needs to match two high-precision navigation antennas for intelligent driving function, one for T-BOX and one for intelligent driving box, which will increase the cost and occupy more space, and is not conducive to lightweight design. UTILITY MODEL CONTENTS

[0003] The utility model aims at the deficiency in prior art, provides a vehicle navigation antenna, solves the problem of needing to carry two high-precision navigation antennas in prior art to meet the navigation antenna demand of T-BOX and intelligent driving box.

[0004] In order to realize the above-mentioned purpose, the utility model provides a vehicle navigation antenna, comprising:

[0005] The shell is internally formed with a containing cavity;

[0006] The printed circuit board is arranged in the containing cavity;

[0007] The medium navigation antenna is arranged on the printed circuit board;

[0008] The cable comprises a first cable and a second cable, one end of the first cable and one end of the second cable are connected with different frequency band output ends of the medium navigation antenna through the printed circuit board respectively, the other end of the first cable and the other end of the second cable are used for being connected with vehicle T-BOX and vehicle intelligent driving box respectively.

[0009] Optionally, the shell comprises an upper shell and a lower shell, the upper shell is sealingly connected with the lower shell.

[0010] Optionally, opposite sides of the shell are respectively provided with mounting plates, the mounting plates are provided with mounting holes.

[0011] Optionally, the mounting plate is an L-shaped plate, the mounting hole comprises a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are respectively arranged on two surfaces of the L-shaped plate.

[0012] Optionally, an installation column is arranged on the inner wall of the shell, and the printed circuit board is detachably mounted on the installation column.

[0013] Optionally, a sponge layer is arranged on the outer side of the shell, the sponge layer is in a U-shaped structure, two surfaces of the sponge layer are arranged on the upper side and the lower side of the shell respectively, and the sponge layer is in a half-wrapped state on the outer side of the shell.

[0014] Optionally, the shell is provided with a wire outlet hole, the first cable and the second cable pass through the wire outlet hole and extend to the outside of the shell, a wire column is arranged between the first cable, the second cable and the hole wall of the wire outlet hole, and the wire column enables the first cable and the second cable to be in sealed connection with the hole wall of the wire outlet hole.

[0015] Optionally, the middle part of the first cable and the second cable is provided with sheet metal glue plugs.

[0016] Optionally, the other end of the first cable and the other end of the second cable are connected with connectors.

[0017] Optionally, the medium navigation antenna comprises an upper-layer medium antenna and a lower-layer medium antenna, the printed circuit board is provided with a filter, a low-noise amplifier, a combiner and a power divider, the upper-layer medium antenna and the lower-layer medium antenna are connected with the combiner through the filter and the low-noise amplifier respectively, the combiner is connected with the power divider, and two output ends of the power divider are used for being connected with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box respectively.

[0018] The vehicle-mounted navigation antenna has the advantages that: the printed circuit board and the medium navigation antenna are arranged in the shell, the first cable and the second cable are connected with different frequency band output ends of the medium navigation antenna through the printed circuit board, signals of different frequency bands of the medium navigation antenna are output to the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box respectively, the navigation signals of two different parameters required by the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box are met, one vehicle-mounted navigation antenna can be used to adapt to the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box, cost and space are saved, and the lightweight design of the automobile is facilitated.

[0019] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the different views of the drawings, and in which:

[0021] Figure 1 An exploded structural schematic view of a vehicle-mounted navigation antenna according to one embodiment of the present application is shown.

[0022] Figure 2 A circuit connection principle schematic diagram on a printed circuit board of a vehicle-mounted navigation antenna is shown according to one embodiment of the utility model.

[0023] Marked with the following reference numerals:

[0024] 1, printed circuit board; 2, dielectric navigation antenna; 3, cable; 4, upper shell; 5, lower shell; 6, mounting plate; 7, first mounting hole; 8, second mounting hole; 9, mounting column; 10, sponge layer; 11, wire hole; 12, terminal post; 13, sheet metal plug; 14, connector; 15, filter; 16, low noise amplifier; 17, combiner; 18, power divider; 19, bridge; 20, power supply network. DETAILED DESCRIPTION

[0025] The preferred embodiments of the utility model will be described in more detail below. Although the preferred embodiments of the utility model are described below, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the utility model more thorough and complete, and to fully convey the scope of the utility model to those skilled in the art.

[0026] As shown in Figure 1 The utility model provides a vehicle-mounted navigation antenna, which comprises:

[0027] A housing, which forms an accommodating cavity inside;

[0028] A printed circuit board 1, which is arranged in the accommodating cavity;

[0029] A dielectric navigation antenna 2, which is arranged on the printed circuit board 1;

[0030] A cable 3, which comprises a first cable 3 and a second cable 3, one end of the first cable 3 and one end of the second cable 3 are respectively connected to different frequency band output ends of the dielectric navigation antenna 2 through the printed circuit board 1, the other end of the first cable 3 and the other end of the second cable 3 are respectively used for connecting with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box.

[0031] Specifically, in order to solve the problem that two high-precision navigation antennas need to be carried in the prior art to meet the navigation antenna requirements of the T-BOX and the intelligent driving box, the vehicle-mounted navigation antenna provided by the utility model is provided with a printed circuit board 1 and a dielectric navigation antenna 2 in the shell, and the different frequency band output ends of the printed circuit board 1 and the dielectric navigation antenna 2 are connected through the first cable 3 and the second cable 3 respectively, the signals of different frequency bands of the dielectric navigation antenna 2 are output to the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box respectively, the navigation signals of two different parameters required by the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box are met, and then the vehicle-mounted navigation antenna can be used to adapt to the vehicle-mounted T-BOX and the vehicle-mounted intelligent driving box, the cost and the space are saved, and the lightweight design of the automobile is facilitated.

[0032] Optionally, the shell comprises an upper shell 4 and a lower shell 5, and the upper shell 4 is sealingly connected with the lower shell 5.

[0033] Specifically, the upper shell 4 and the lower shell 5 can be sealingly connected in a welding manner to effectively protect the internal devices.

[0034] In the embodiment, the upper shell 4 and the lower shell 5 are injection molding parts, which are formed by using an injection molding machine according to an injection molding process, and the waterproof level after welding can reach IP67.

[0035] Optionally, opposite sides of the shell are respectively provided with mounting plates 6, and the mounting plates 6 are provided with mounting holes.

[0036] Specifically, the mounting plates 6 outside the shell can facilitate the vehicle-mounted installation of the vehicle-mounted navigation antenna.

[0037] In the embodiment, the vehicle-mounted navigation antenna is installed in the spoiler of the automobile.

[0038] Optionally, the mounting plate 6 is an L-shaped plate, the mounting holes comprise first mounting holes 7 and second mounting holes 8, and the first mounting holes 7 and the second mounting holes 8 are respectively arranged on two surfaces of the L-shaped plate.

[0039] Specifically, the mounting holes are arranged on the two surfaces of the L-shaped plate, and the vehicle-mounted navigation antenna can be installed in the X direction and the Z direction of the automobile.

[0040] Optionally, the inner wall of the shell is provided with mounting columns 9, and the printed circuit board 1 is detachably mounted on the mounting columns 9.

[0041] Specifically, the printed circuit board 1 can be mounted on the mounting columns 9 with threaded holes through screws, and the space supported by the mounting columns 9 on the lower side of the printed circuit board 1 can accommodate the shielding cover on the printed circuit board 1.

[0042] In the embodiment, the mounting columns 9 are four, which are arranged at the four corner positions of the printed circuit board 1.

[0043] Optionally, the outer side of the shell is provided with a sponge layer 10, the sponge layer 10 is in a U-shaped structure, two surfaces of the sponge layer 10 are respectively arranged on the upper side and the lower side of the shell, and the sponge layer 10 forms a semi-wrapping state on the outer side of the shell.

[0044] Specifically, the sponge layer 10 can form shock absorption and buffering between the vehicle-mounted navigation antenna and the structure or components on the vehicle after the vehicle-mounted installation of the vehicle-mounted navigation antenna, thereby reducing abnormal sound.

[0045] In the embodiment, the inner side of the sponge layer 10 is provided with a glue layer, and the sponge layer 10 is bonded to the shell through the glue layer.

[0046] Optionally, the shell is provided with a wire outlet hole 11, the first cable 3 and the second cable 3 pass through the wire outlet hole 11 and extend to the outside of the shell, and the wire outlet hole 11 is provided with a wire connecting column 12 between the first cable 3 and the second cable 3 and the hole wall of the wire outlet hole 11, and the wire connecting column 12 seals the connection between the first cable 3 and the second cable 3 and the hole wall of the wire outlet hole 11.

[0047] Specifically, the wire connecting column 12 in the wire outlet hole 11 seals the wire outlet of the first cable 3 and the second cable 3, and maintains the overall protection level of the shell.

[0048] In the embodiment, the wire outlet hole 11 is arranged on a side wall of the lower shell 5 and is formed by a vulcanization forming process.

[0049] Optionally, the middle part of the first cable 3 and the second cable 3 is provided with a sheet metal glue plug 13.

[0050] Specifically, the sheet metal glue plug 13 is used when the first cable 3 and the second cable 3 pass through the sheet metal plate, and the sheet metal glue plug 13 plays a role of plugging the hole in the sheet metal plate and protecting the first cable 3 and the second cable 3.

[0051] In the embodiment, the sheet metal glue plug 13 is formed by a vulcanization forming process.

[0052] Optionally, the other end of the first cable 3 and the other end of the second cable 3 are connected with a connector 14.

[0053] Specifically, the connector 14 facilitates the electrical connection of the first cable 3 and the second cable 3, and the connector 14 can be a plug-in connector.

[0054] Optionally, the medium navigation antenna 2 includes an upper layer medium antenna and a lower layer medium antenna, the printed circuit board 1 is provided with a filter 15, a low noise amplifier 16, a combiner 17 and a power divider 18, the upper layer medium antenna and the lower layer medium antenna are connected with the combiner 17 through the filter 15 and the low noise amplifier 16 respectively, the combiner 17 is connected with the power divider 18, and two output ends of the power divider 18 are respectively used for being connected with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box.

[0055] Specifically, the medium navigation antenna 2 is an antenna for receiving L1, L2 and L5 band signals of GPS, comprising an upper layer medium antenna and a lower layer medium antenna, connected with the bottom layer printed circuit board 1 with a feed network, the upper layer medium antenna receives L1 band signals, the lower layer medium antenna receives L2 and L5 band signals, both are connected with a combiner 17 after passing through a filter 15 and a low noise amplifier 16, and two output ends are formed through a power divider 18, and are connected with a vehicle T-BOX and a vehicle intelligent driving box respectively, so as to meet the signal requirements of the vehicle T-BOX and the vehicle intelligent driving box.

[0056] In the embodiment, as shown in the figure, Figure 2 The upper layer medium antenna and the lower layer medium antenna are connected with the front filter 15 through the electric bridge 19 respectively, and then are connected with the front low noise amplifier 16 and the rear filter 15 in sequence, and then are connected with the combiner 17, the combiner 17 is connected with the power divider 18 through the rear low noise amplifier 16, and two output ends are formed through the power divider 18, so as to realize two-way signal output.

[0057] Further, the power supply network 20 is further included, and the power supply network 20 can supply power for active devices such as the low noise amplifier 16.

[0058] In the embodiment, the printed circuit board 1 is welded with a shielding cover, and the shielding cover provides shielding effect for the low noise amplifier 16.

[0059] In summary, compared with the mainstream products in the market, the vehicle navigation antenna has the advantages that two high-precision navigation antennas are combined into one antenna, the space utilization is optimized, and through the design of the circuit on the printed circuit board 1, the vehicle T-BOX and the vehicle intelligent driving box can be used simultaneously; and the antenna has certain waterproof capability, so that the antenna arrangement position selection is more relaxed, and the future direction of the market is guided.

[0060] The above has described the embodiments of the utility model, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A vehicle navigation antenna, characterized by, The utility model relates to a vehicle-mounted T-BOX and vehicle-mounted intelligent driving box connecting device, including: A shell is internally formed with a containing cavity; A printed circuit board is arranged in the containing cavity; A medium navigation antenna is arranged on the printed circuit board; A cable includes a first cable and a second cable, one end of the first cable and one end of the second cable are connected with different frequency band output ends of the medium navigation antenna through the printed circuit board respectively, the other end of the first cable and the other end of the second cable are used for being connected with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box respectively.

2. The vehicle-mounted navigation antenna according to claim 1, characterized in that, The shell includes an upper shell and a lower shell, and the upper shell is sealingly connected with the lower shell.

3. The vehicle-mounted navigation antenna according to claim 1, wherein Opposite sides of the shell are respectively provided with mounting plates, and the mounting plates are provided with mounting holes.

4. The vehicle-mounted navigation antenna according to claim 3, wherein The mounting plates are L-shaped plates, and the mounting holes include first mounting holes and second mounting holes, and the first mounting holes and the second mounting holes are respectively formed on two surfaces of the L-shaped plates.

5. The vehicle-mounted navigation antenna of claim 1, wherein, An inner wall of the shell is provided with a mounting column, and the printed circuit board is detachably mounted on the mounting column.

6. The vehicle-mounted navigation antenna of claim 1, wherein, An outer side of the shell is provided with a sponge layer, the sponge layer is in a U-shaped structure, two surfaces of the sponge layer are arranged on the upper side and the lower side of the shell respectively, and the sponge layer forms a semi-wrapped state on the outer side of the shell.

7. The vehicle-mounted navigation antenna of claim 1, wherein, The shell is provided with a wire outlet hole, the first cable and the second cable penetrate through the wire outlet hole and extend to the outside of the shell, and a wiring column is arranged between the first cable, the second cable and the hole wall of the wire outlet hole, so that the first cable and the second cable are sealingly connected with the hole wall of the wire outlet hole.

8. The vehicle-mounted navigation antenna of claim 1, wherein, The middle part of the first cable and the second cable is provided with a sheet metal glue plug.

9. The vehicle-mounted navigation antenna of claim 1, wherein, The other end of the first cable and the other end of the second cable are connected with a connector.

10. The vehicle-mounted navigation antenna of claim 1, wherein, The medium navigation antenna includes an upper layer medium antenna and a lower layer medium antenna, the printed circuit board is provided with a filter, a low noise amplifier, a combiner and a power divider, the upper layer medium antenna and the lower layer medium antenna are connected with the combiner through the filter and the low noise amplifier respectively, the combiner is connected with the power divider, and two output ends of the power divider are used for being connected with a vehicle-mounted T-BOX and a vehicle-mounted intelligent driving box respectively.

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