CN212676444U

CN212676444U - T-Box integrated form built-in antenna structure

Info

Publication number: CN212676444U
Application number: CN202021371820.9U
Authority: CN
Inventors: 黄常炯; 何明超; 唐恺
Original assignee: Huizhou Desay SV Automotive Co Ltd
Current assignee: Huizhou Desay SV Automotive Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-09
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a T-Box integrated form built-in antenna structure includes circuit board and antenna module, and the antenna module includes mount table and antenna lamellar body, and the antenna lamellar body passes through the mount table to be fixed on the circuit board as antenna boom, realizes the built-in of antenna, and it is big to have avoided external antenna's the wiring degree of difficulty, and the wiring cost is high, the big problem of signal interference. And fix the antenna lamellar body on the mount table more steadily through the reference column, reduce because of vibrations cause falling of antenna lamellar body to strengthen the stability of antenna lamellar body, increase communication stability, realize the signal transmission of high-speed high-quality. The radiating unit piece of the antenna is made of steel sheet materials, is low in price and contributes to reducing the production cost. The mounting table is fixedly mounted on the circuit board as an antenna support in a buckling mode, and integration and production line production of the antenna sheet body can be better achieved.

Description

T-Box integrated form built-in antenna structure

Technical Field

The utility model relates to a vehicle antenna structure technical field, in particular to T-Box integrated form built-in antenna structure.

Background

As is well known, a T-Box system, namely a Telematics-Box, has become a standard for automobiles, and the T-Box system requires a plurality of antennas, such as a satellite navigation antenna, a 4G/5G communication antenna, a WIFI antenna, a V2X Internet of vehicles antenna, and the like.

At present, each antenna in the market only has an independent function, then each antenna with the independent function inputs and outputs through a signal line, a plurality of signal lines input and output form a signal line group to be connected with a T-Box host, and the coaxial lines transmit analog signals.

However, since a long path is required from the external antenna to the cab host, and the wire harness formed by the plurality of coaxial wires is long and thick, the material cost and the labor cost are increased when the whole vehicle is wired, and the wiring difficulty in the vehicle is also increased; and the wiring harness consisting of a plurality of signal wires has the problem of mutual signal interference, which can cause EMC/EMI problem.

In addition, the line loss may cause signal attenuation, resulting in signal weakening and unstable communication, and at higher and higher communication frequencies, the coaxial line cannot meet the requirement of high-speed and high-quality signal transmission.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the problems of high cost, high wiring difficulty, unstable communication and incapability of meeting the requirements of high-speed and high-quality signal transmission, a T-Box integrated built-in antenna structure needs to be designed.

The T-Box integrated built-in antenna structure comprises a circuit board and an antenna assembly, wherein the antenna assembly comprises a mounting table and an antenna sheet body, the mounting table is arranged on the circuit board, the antenna sheet body is arranged on the mounting table, and the antenna sheet body is electrically connected with the circuit board.

Preferably, the antenna sheet body is a steel sheet antenna.

Preferably, the antenna sheet body is provided with a connecting elastic pin, and the antenna sheet body is electrically connected with the signal line on the circuit board through the connecting elastic pin.

Preferably, the antenna assembly includes two mounting platforms and two antenna sheet bodies, two the mounting platforms set up respectively on the circuit board, and two the mounting platforms are located respectively on the opposite both sides of circuit board, two the antenna sheet bodies set up respectively in two the mounting platforms, and two the antenna sheet bodies respectively with the circuit board electricity is connected.

Preferably, the circuit board is provided with a positioning hole and a clamping hole, the mounting table is provided with a positioning pin and a clamping piece, the positioning pin is used for being positioned in the positioning hole, and the clamping piece is used for being clamped in the clamping hole so as to fix the mounting table on the circuit board.

Preferably, the antenna sheet body includes a radiation unit piece, a ground feeder and a signal feeder, the radiation unit piece is attached to the table top of the mounting table, the radiation unit piece is provided with a plurality of branch regions, each branch region is respectively used for transmitting and/or receiving electromagnetic wave signals, the ground feeder and the signal feeder are respectively electrically connected to the radiation unit piece, and the ground feeder and the signal feeder are respectively used for electrically connecting to the circuit board, so as to electrically connect the radiation unit piece to the circuit board.

Preferably, the radiating unit, the ground feeder and the signal feeder are integrally formed.

Preferably, the T-Box integrated internal antenna structure further comprises a positioning column, wherein a positioning hole is formed in the radiation unit piece, and the positioning column is used for penetrating through the positioning hole so as to fix the radiation unit piece on the table top of the mounting table.

Preferably, the T-Box integrated internal antenna structure includes a plurality of positioning pillars, a plurality of positioning holes are formed in the radiation unit chip, and each positioning pillar is used for penetrating through each positioning hole to fix the radiation unit chip on the table surface of the mounting table.

Preferably, the mounting table is further provided with two limiting protrusions, a limiting area is arranged between the two limiting protrusions, two limiting through holes are formed in the mounting table, the two limiting through holes are located in the limiting area respectively, the ground feeder and the signal feeder are arranged in the limiting area respectively, the ground feeder and the signal feeder penetrate through the two limiting through holes respectively and are electrically connected with the circuit board, and the two limiting protrusions are used for abutting against the edges of the ground feeder and the signal feeder respectively.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

firstly, a T-Box integrated type built-in antenna structure comprises a circuit board and an antenna assembly, wherein the antenna assembly comprises a mounting table and an antenna sheet body, the antenna sheet body is fixed on the circuit board through the mounting table as an antenna support, built-in of an antenna is achieved, and the problems of high wiring difficulty, high wiring cost and high signal interference of an external antenna are solved. And fix the antenna lamellar body more steadily through the reference column on the mount table, reduce because of shaking causes falling of the antenna lamellar body, in order to strengthen the stability of antenna lamellar body increases communication stability, realizes the signal transmission of high-speed high-quality.

And secondly, the radiation unit piece of the antenna is made of steel sheet materials, so that the price is low, and the reduction of the production cost is facilitated.

And finally, the mounting table is fixedly mounted on the circuit board as an antenna support in a buckling mode, so that the integration and production line production of the antenna sheet body can be better realized.

Drawings

Fig. 1 is a schematic structural diagram of a T-Box integrated internal antenna structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a T-Box integrated internal antenna structure according to another embodiment of the present invention.

Fig. 3 is a schematic diagram of another view angle of the T-Box integrated internal antenna structure shown in fig. 1.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

Please refer to fig. 1, which is a schematic structural diagram of a T-Box integrated internal antenna structure according to an embodiment of the present invention. A T-Box integrated type built-in antenna structure comprises a circuit board 100 and an antenna assembly 200, wherein the antenna assembly 200 comprises a mounting table 210 and an antenna sheet body 220, the mounting table 210 is arranged on the circuit board 100, the antenna sheet body 220 is arranged on the mounting table 210, and the antenna sheet body 220 is electrically connected with the circuit board 100, it should be noted that the antenna sheet body 220 is fixed on the circuit board 100 through the mounting table 210 as an antenna bracket, that is, the mounting table 210 is used for mounting and fixing the antenna sheet body 220.

In order to make the antenna sheet 220 be electrically connected to the circuit board 100 better and make communication more stable, please refer to fig. 1 and fig. 2 together, in an embodiment, a connection elastic pin 221 is disposed on the antenna sheet 220, and the antenna sheet 220 is electrically connected to a signal line on the circuit board 100 through the connection elastic pin 221, that is, the antenna sheet 220 is electrically connected to the circuit board 100 through the connection elastic pin 221. In order to reduce the problems of high material cost and high wiring difficulty, the antenna sheet 220 is a steel sheet antenna.

In order to enable the T-Box integrated internal antenna structure to better implement signal transceiving, reduce mutual interference between antennas, and reduce the influence of radiation performance of the antennas, referring to fig. 1, the antenna assembly 200 includes two mounting platforms 210 and two antenna sheets 220, the two mounting platforms 210 are respectively disposed on the circuit board 100, the two mounting platforms 210 are respectively disposed on two opposite sides of the circuit board 100, the two antenna sheets 220 are respectively disposed on the two mounting platforms 210, and the two antenna sheets 220 are respectively electrically connected to the circuit board 100, it should be noted that the two antenna sheets 220 are respectively a main collector antenna 220a and a diversity antenna 220b, for example, the main collector antenna is an LTE main collector antenna, the diversity antenna is an LTE diversity antenna, and the LTE main collector antenna and the diversity LTE diversity antenna are respectively disposed on two opposite sides of the circuit board 100, the spacing degree between the two antennas is increased, the mutual interference of signals between the two antennas is reduced, and the mutual influence of the radiation performance of the two antennas is reduced; the two antennas can cover the frequency ranges of 824 MHz-960 MHz, 1710 MHz-2170 MHz and 2300 MHz-2690 MHz, and can be well compatible with the network coverage of three operators in China.

In order to better integrate the mounting platform 210 on the circuit board 100, please refer to fig. 2 and fig. 3 together, the circuit board 100 is provided with an alignment hole 101 and a locking hole 102, the mounting platform 210 is provided with an alignment pin 211 and a locking member 212, the alignment pin 211 is arranged to be aligned with the alignment hole 101, the locking member 212 is arranged to be locked on the locking hole 102 to fix the mounting platform 210 on the circuit board 100, that is, the mounting platform 210 is fixedly mounted on the circuit board 100 as an antenna support in a locking manner, so that the integration and production line production of the antenna sheet 220 can be better realized. As another example, the mounting stage 210 is a plastic mounting stage 210.

Referring to fig. 1 and 2, in an embodiment, the antenna sheet 220 includes a radiation unit sheet 222, a ground feeder 223 and a signal feeder 224, the radiation unit sheet 222 is attached to the top of the mounting platform 210, the radiation unit sheet 222 is provided with a plurality of branch regions, and each branch region is respectively used for transmitting and/or receiving an electromagnetic wave signal, that is, the radiation unit sheet 222 of the antenna is divided into a plurality of branch regions, and each branch region respectively generates a different resonant frequency for transmitting and receiving an electromagnetic wave signal with a specific frequency. The ground feeder 223 and the signal feeder 224 are electrically connected to the radiating unit 222, respectively, and the ground feeder 223 and the signal feeder 224 are electrically connected to the circuit board 100, respectively, so as to electrically connect the radiating unit 222 to the circuit board 100. In order to make the structure of the antenna sheet 220 more stable, the radiating element 222, the ground feeder 223, and the signal feeder 224 are integrally formed.

In order to fix the antenna sheet 220 on the mounting platform 210 more stably, reduce the falling of the antenna sheet 220 caused by vibration, and enhance the stability of the antenna sheet 220, i.e. increase the communication stability, and achieve high-speed and high-quality signal transmission, please refer to fig. 1 and fig. 2 together, preferably, the T-Box integrated internal antenna structure further includes a positioning post 300, the radiation unit 222 is provided with a positioning hole 2221, and the positioning post 300 is used to penetrate through the positioning hole 2221 to fix the radiation unit 222 on the top surface of the mounting platform 210. Further, the T-Box integrated internal antenna structure includes a plurality of positioning posts 300, a plurality of positioning holes 2221 are formed on the radiating unit chip 222, and each positioning post 300 is respectively used for penetrating through each positioning hole 2221 to fix the radiating unit chip 222 on the top surface of the mounting table 210, that is, a plurality of positioning holes 2221 are formed on the radiating unit chip 222 for fixing the antenna; the radiating unit piece 222 of the antenna is made of a steel sheet material, so that the price is low, and the production cost is reduced. The antenna sheet 220 is fixed on the mounting table 210, i.e. a plastic bracket, by the positioning posts 300, so as to enhance the structural stability of the antenna sheet 220.

In order to make the ground feeder 223 and the signal feeder 224 electrically connected to the circuit board 100, the displacement caused by vibration is less, the stability of signal transmission and reception is increased, i.e., further increase the communication stability, and realize high-speed and high-quality signal transmission, please refer to fig. 1 and fig. 2, two limiting bulges 213 are arranged on the mounting table 210, a limiting area 2101 is arranged between the two limiting bulges 213, two limiting through holes 2102 are arranged on the mounting table 210, the two limiting through holes 2102 are respectively positioned in the limiting area 2101, the ground feeder 223 and the signal feeder 224 are respectively disposed on the limiting region 2101, the ground feeder 223 and the signal feeder 224 are respectively inserted through the two limiting through holes 2102 to be electrically connected with the circuit board 100, and the two limiting protrusions 213 are respectively used for abutting the edges of the ground feeder 223 and the signal feeder 224.

In an embodiment, referring to fig. 1, the T-Box integrated internal antenna structure further includes a power module 400, a 4G module 500, and a connector 600, where the power module, the 4G module, and the connector are respectively electrically connected to the circuit board, the antenna sheet is electrically connected to the power module, the 4G module, and the connector through the circuit board, the power module is configured to provide power to the 4G module and the antenna sheet, and the whole T-Box integrated internal antenna structure is electrically connected to an external connection line through the connector.

firstly, a T-Box integrated internal antenna structure comprises a circuit board 100 and an antenna assembly 200, wherein the antenna assembly 200 comprises a mounting table 210 and an antenna sheet 220, and the antenna sheet 220 is fixed on the circuit board 100 by using the mounting table 210 as an antenna bracket, so as to realize the internal arrangement of an antenna, and avoid the problems of high wiring difficulty, high wiring cost and large signal interference of an external antenna. And fix the antenna sheet 220 on the mounting table 210 more stably through the positioning column 300, reduce the falling of the antenna sheet 220 caused by vibration, so as to strengthen the stability of the antenna sheet 220, increase the communication stability, and realize high-speed and high-quality signal transmission.

Secondly, the radiating unit piece 222 of the antenna is made of a steel sheet material, so that the price is low, and the production cost is reduced.

Finally, the mounting platform 210 is fixedly mounted on the circuit board 100 as an antenna bracket in a buckling manner, so that the integration and production line production of the antenna sheet 220 can be better realized.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A T-Box integrated internal antenna structure, comprising a circuit board (100) and an antenna assembly (200), wherein the antenna assembly (200) comprises a mounting platform (210) and an antenna sheet (220), the mounting platform (210) is disposed on the circuit board (100), the antenna sheet (220) is disposed on the mounting platform (210), and the antenna sheet (220) is electrically connected to the circuit board (100).

2. A T-Box integrated internal antenna structure as claimed in claim 1, wherein said antenna sheet (220) is a sheet antenna.

3. A T-Box integrated internal antenna structure as claimed in claim 1, wherein said antenna body (220) is provided with a connection elastic leg (221), and said antenna body (220) is electrically connected to the signal line on said circuit board (100) through said connection elastic leg (221).

4. A T-Box integrated internal antenna structure as claimed in claim 1, wherein said antenna assembly (200) comprises two said mounting platforms (210) and two said antenna sheets (220), two said mounting platforms (210) are respectively disposed on said circuit board (100), and two said mounting platforms (210) are respectively located on two opposite sides of said circuit board (100), two said antenna sheets (220) are respectively disposed on two said mounting platforms (210), and two said antenna sheets (220) are respectively electrically connected to said circuit board (100).

5. The T-Box integrated internal antenna structure as claimed in claim 1, wherein the circuit board (100) has an alignment hole (101) and a locking hole (102), the mounting platform (210) has an alignment pin (211) and a locking member (212), the alignment pin (211) is used for aligning with the alignment hole (101), and the locking member (212) is used for locking in the locking hole (102) to fix the mounting platform (210) to the circuit board (100).

6. The T-Box integrated internal antenna structure of claim 1, wherein the antenna sheet (220) comprises a radiation unit chip (222), a ground feeder (223) and a signal feeder (224), the radiation unit chip (222) is attached to the surface of the mounting stage (210), the radiation unit chip (222) is provided with a plurality of branch regions, each branch region is used for transmitting and/or receiving electromagnetic wave signals, the ground feeder (223) and the signal feeder (224) are electrically connected to the radiation unit chip (222), and the ground feeder (223) and the signal feeder (224) are electrically connected to the circuit board (100) to electrically connect the radiation unit chip (222) and the circuit board (100).

7. A T-Box integrated internal antenna structure according to claim 6, wherein said radiating element (222), said ground feed (223) and said signal feed (224) are of one-piece construction.

8. The T-Box integrated internal antenna structure of claim 6, further comprising a positioning post (300), wherein the radiating element (222) has a positioning hole (2221), and the positioning post (300) is used to penetrate through the positioning hole (2221) to fix the radiating element (222) on the top of the mounting stage (210).

9. The integrated T-Box internal antenna structure as claimed in claim 8, comprising a plurality of positioning posts (300), wherein a plurality of positioning holes (2221) are formed on the radiating element (222), and each positioning post (300) is respectively used for penetrating each positioning hole (2221) to fix the radiating element (222) on the top of the mounting platform (210).

10. A T-Box integrated internal antenna structure as claimed in claim 6, wherein said mounting platform (210) is further provided with two limiting protrusions (213), a limiting region (2101) is disposed between said two limiting protrusions (213), said mounting platform (210) is provided with two limiting through holes (2102), said two limiting through holes (2102) are respectively located in said limiting region (2101), said ground feeder (223) and said signal feeder (224) are respectively disposed on said limiting region (2101), said ground feeder (223) and said signal feeder (224) are respectively inserted through said two limiting through holes (2102) and electrically connected to said circuit board (100), and said two limiting protrusions (213) are respectively used for the edges of said ground feeder (223) and said signal feeder (224) to abut against each other.