TWI677200B - Vehicle integrated antenna repeater - Google Patents

Abstract

The invention provides a vehicle-mounted integrated antenna repeater which can synchronously collect the information modules collected by the vehicle-mounted antenna, and after processing by the internal processor, the collected information is broadcasted and interacted with the host computer via Ethernet. The layout of the lines in the car is simplified, and antennas in different frequency bands do not interfere with each other, and transmission synchronization is guaranteed. The antenna forwarding box includes a processor module, an Ethernet transceiver module, a power module, a plurality of message transceiver modules, and a digital signal processing module. The power module is used to drive the entire internal structure to be normal. In operation, the message transceiver module includes an antenna signal receiving module. Some modules in the message transceiver module are connected to the corresponding interface of the processor module after being processed by the corresponding digital signal processing module. Some modules are directly connected to the corresponding interface of the processor module.

Description

Vehicle-mounted integrated antenna repeater

The present invention relates to the technical field of antenna structures, and in particular to a vehicle-mounted integrated antenna repeater.

The increase of the conventional internal antenna module of the vehicle antenna, and the structure of transmitting the information corresponding to the various modules to the host in the vehicle through the conventional coaxial feeder method. Due to the increase in the number of message modules, the coaxial feeder is also getting more and more Complexity and staggering make wiring difficult, and placing coaxial feed lines of information modules corresponding to antennas of different frequency bands in a small space will inevitably cause problems of mutual interference and time difference of forwarding.

In view of the above problems, the present invention provides a vehicle-mounted integrated antenna repeater device that can synchronously collect the information modules collected by the vehicle antenna, and after processing by the internal processor, synchronize the collected information through the Ethernet and the vehicle host. Broadcasting and interaction simplify the layout of the lines in the car, so that antennas in different frequency bands do not interfere with each other, and transmission synchronization is guaranteed.

A vehicle-mounted integrated antenna repeater includes an antenna repeater box, and a processor module, an Ethernet transceiver module, a power module, a plurality of message transceiver modules, a digital signal processing module, and a power module are provided in the antenna repeater box. The group is used to drive the entire internal structure to work normally. The message transceiver module includes an antenna signal receiving module. Some of the modules in the message transceiver module are connected to the corresponding interface of the processor module after being processed by the corresponding digital signal processing module. , The other part of the messaging module It is directly connected to the corresponding interface of the processor module, the message transceiver end of the processor module is connected to the docking end of the Ethernet transceiver module, and the Ethernet transceiver module is connected to the in-vehicle Ethernet.

The outer end surface of the antenna repeater box is fixed to the inner end surface of the roof of the vehicle body. The modules corresponding to the antenna signal receiving modules are connected to the corresponding antennas through multi-channel radio high-frequency connectors, and the multi-channel radio high-frequency connectors It includes a male end and a female end, and the male end and the female end are plugged and connected to form a signal path. One end of the multi-channel radio high-frequency connector is fixed to the antenna repeater box, and the multi-channel radio high frequency arranged in the antenna repeater box. The corresponding end of the connector is connected to the corresponding message transceiver module through the PCB board wiring.

A fin antenna is arranged on the roof, and the output ends of the antennas in the fin antenna are connected to the other end portions of the multi-channel radio high-frequency connector through leads, respectively. The connector is connected to a module corresponding to a corresponding antenna signal receiving module.

The antenna signal receiving module includes at least one of an AM / FM radio module, a GPS module, a communication module, a dedicated short-range communication technology module, a car alarm module, and a tire pressure detector module.

Any of the car alarm module and tire pressure detector module can be replaced with DTV / DAB / DTMB / CMMB mobile broadcast digital TV module.

The antenna forwarding box is provided with a WiFi antenna and a Bluetooth antenna. The message transceiver module also includes a WiFi module and a Bluetooth module. The WiFi antenna is connected to the processor module through the WiFi module, and the Bluetooth antenna is connected to the processor through the Bluetooth module. Module.

The processor module includes a primary processor module and a secondary processor module. The primary processor module is provided with a module interface. The primary processor module is used to handle simpler operations and operations. The first-level processor module summarizes the processed data to the second-level processor module. The second-level processor module receives the data of the first-level processor module and simultaneously processes the operations and operations transmitted by the relatively complex module. The message transceiver of the secondary processor module is connected to the docking terminal of the Ethernet transceiver module.

The audio of AM / FM radio module and the audio of the communication module are connected to the corresponding module interface of the secondary processor module through the corresponding digital signal processing module to ensure accurate, timely and efficient message processing.

Preferably, the first-level processor module is specifically an MCU, and the second-level processor module is specifically a CPU; the Ethernet transceiver module is specifically an Ethernet transceiver chip, and the Ethernet transceiver chip is connected to the in-vehicle Ethernet through an Ethernet connector. .

With the structure of the present invention, the wireless communication module in the antenna is independently docked with each module in the vehicle-mounted integrated antenna repeater, and then the electrical signals are demodulated by each independent module and processed by the digital signal processing module. (Or ignore this arrangement), finally process and write to the Ethernet transceiver module through the processor module, forward to the in-vehicle Ethernet for broadcast through the Ethernet transceiver module, and broadcast and interact on the car through the in-vehicle Ethernet network In order to digitize the audio and video and data in the car, streamline the purpose of wiring; In summary, it can synchronously collect the information modules collected by the vehicle antenna, and after processing by the internal processor, it can synchronize the collected information through Ethernet and the car host. Broadcasting and interaction have simplified the layout of the lines in the car, and antennas in different frequency bands do not interfere with each other, and transmission synchronization is guaranteed.

1‧‧‧ Antenna Forwarding Box

10‧‧‧WiFi Antenna

11‧‧‧Bluetooth Antenna

12‧‧‧Radio high frequency connector

13‧‧‧ In-vehicle Ethernet

14‧‧‧ Ethernet connector

2‧‧‧ roof

3‧‧‧ fin antenna

4‧‧‧AM / FM antenna

5‧‧‧GPS Antenna

6‧‧‧4G-LTE antenna

7‧‧‧ dedicated short-range communication antenna

8‧‧‧Car alarm antenna

9‧‧‧ tire pressure detection antenna

FIG. 1 is a schematic block diagram of a structure of an embodiment of the present invention.

Figure 2 is a schematic block diagram of the structure of the present invention mounted on the roof.

A vehicle-mounted integrated antenna repeater device is shown in FIG. 1 and FIG. 2: it includes an antenna repeater box 1, and a processor module, an Ethernet transceiver module, a power supply module, and a plurality of message transceivers are arranged in the antenna repeater box 1. Module, digital signal processing module, power module is used to drive the normal operation of the entire internal structure, the message transceiver module includes an antenna signal receiving module, and some modules in the message transceiver module pass the corresponding digital signal processing module After processing, it is connected to the corresponding interface of the processor module. The other modules in the message transceiver module are directly connected to the corresponding interface of the processor module. The message transceiver end of the processor module is connected to the docking of the Ethernet transceiver module. End, the Ethernet transceiver module is connected to the Ethernet in the car.

The outer end surface of the antenna repeater box 1 is fixed to the inner end surface of the roof 2 in the vehicle body. The modules corresponding to the antenna signal receiving module are connected to the corresponding antennas through the multi-channel radio high-frequency connector 12, respectively. The frequency connector includes a male end, a female end, and the male end and the female end are plug-in connected to form a signal path. One end of the multi-channel radio high-frequency connector 12 is fixed to the antenna repeater box 1, and a plurality of antennas arranged in the antenna repeater box 1. The corresponding end of the channel radio high-frequency connector 12 is connected to the corresponding message transceiver module through the PCB board wiring. The output ends of the antennas in the fin antenna 3 are connected to the other end of the multi-channel radio high-frequency connector through leads. .

The antenna signal receiving module includes at least one of AM / FM radio module, GPS module, communication module, special short-range communication technology module, car alarm module, tire pressure detector module, AM / FM radio module, GPS module, communication module, dedicated short-range communication technology module, car alarm module, tire pressure detector module are all modem modules, which convert the corresponding electrical signals into digital signals To facilitate subsequent operations.

Any of the car anti-theft device module and the tire pressure detector module may be replaced with a DTV / DAB / DTMB / CMMB mobile broadcast digital TV module.

For example, see FIG. 1 and FIG. 2: a fin antenna 3 is arranged on the roof 2, and a part on the fin antenna 3 is a male end of a multi-channel radio high-frequency connector, that is, each of the fin antenna 3 The output end of the antenna is respectively connected to the male end of the multi-channel radio high-frequency connector 12 through a lead wire. The female end of the multi-channel radio high-frequency connector 12 arranged in the antenna repeater box 1 is routed by a PCB board (not shown in the figure). (It is a well-known mature structure) connected to the corresponding message transceiver module; fin antenna 3 has AM / FM antenna 4, GPS antenna 5, 4G-LTE antenna 6, dedicated short-range communication antenna 7, car alarm antenna 8 、 Tire pressure detection antenna 9 、 The antenna signal receiving module includes AM / FM radio module, GPS module, communication module, special short-range communication technology module, car alarm module, tire pressure detector module; The English short name of the dedicated short-range communication technology module is the DSRC module, and the English name of the tire pressure monitoring module is the TPMS module. The communication module is preferably a 4G-LTE module, which corresponds to 4G-LTE.

The antenna forwarding box 1 is provided with a WiFi antenna 10 and a Bluetooth antenna 11. The message transmitting and receiving module further includes a WiFi module and a Bluetooth module. The WiFi antenna is connected to the processor module through the WiFi module, and the Bluetooth antenna 11 is connected to the processor through the Bluetooth module. Connected to the processor module.

The processor module includes a primary processor module and a secondary processor module. The primary processor module is provided with a module interface. The primary processor module is used to handle simpler operations and operations. The primary processor module The group summarizes the processed data to the secondary processor module. The secondary processor module receives the data of the primary processor module and simultaneously processes the operations and operations transmitted by the relatively complex module. The secondary processor module The module message transceiver is connected to the docking terminal of the Ethernet transceiver module.

The audio of AM / FM radio module and the audio of the communication module are connected to the corresponding module interface of the secondary processor module through the corresponding digital signal processing module to ensure accurate, timely and efficient information processing. The English name of the signal processing module is DSP.

The first-level processor module is specifically an MCU, and the second-level processor module is specifically a CPU.

The Ethernet transceiver module is specifically an Ethernet transceiver chip, and the Ethernet transceiver chip is connected to the in-vehicle Ethernet 13 through the Ethernet connector 14.

In the embodiment, the car anti-theft device antenna 8 and the tire pressure detection antenna 9 can be replaced by DTV / DAB / DTMB / CMMB mobile broadcast digital television antennas; at this time, the car anti-theft device module and tire pressure detection corresponding to the line signal receiving module Device module was replaced with DTV / DAB / DTMB / CMMB mobile broadcast digital TV module.

The working principle is as follows: The embodiment consists of a control and forwarding module consisting of MCU, CPU and Ethernet transceiver chip, and AM / FM, GPS, car alarm, tire pressure detector, communication and DSRC (Dedicated Short-Range Communication Technology) module. These wireless communication modules communicate externally through the radio high-frequency connector 12 and the antenna repeater box 1 that integrates the above structure, eliminating the tedious configuration of coaxial antenna feeders. When these After the radio signal transceiver module demodulates the signal, the MCU and CPU will process it and forward it to the in-vehicle Ethernet 13 for broadcasting through the CPU write to the Ethernet transceiver chip. The embodiment integrates the radio antenna and communication module. Broadcast and interact on the car to realize the digitalization of the audio and video and data in the car and streamline the wiring.

The embodiments of the present invention have been described in detail above, but the content is only the preferred embodiments created by the present invention and cannot be considered to limit the implementation scope of the invention creation. Any equal changes and improvements made in accordance with the scope of the present invention shall still fall within the scope of the present invention.

Claims (9)

A vehicle-mounted integrated antenna repeater includes an antenna repeater box, and the antenna repeater box is provided with a processor module, an Ethernet transceiver module, a power module, a plurality of message transceiver modules, and a digital signal processing module. The power module is used to drive the entire internal structure to work normally. The message transceiver module includes an antenna signal receiving module. Some of the modules in the message transceiver module are connected to the processor after being processed by the corresponding digital signal processing module. The corresponding interface of the module, the other part of the message transceiver module is directly connected to the corresponding interface of the processor module, the message transceiver end of the processor module is connected to the docking end of the Ethernet transceiver module, The Ethernet transceiver module is connected to the in-vehicle Ethernet, wherein the outer end surface of the antenna forwarding box is fixed to the inner end surface of the roof of the vehicle body, and the corresponding modules of the antenna signal receiving module pass the multi-channel radio height respectively. The high-frequency connector is connected to the corresponding antenna. The multi-channel radio high-frequency connector includes a male end and a female end, and the male end and the female end are plugged to form a signal path. One end of the multi-channel radio high-frequency connector is fixed to the antenna repeater box, and the corresponding end of the multi-channel radio high-frequency connector arranged in the antenna repeater box is connected to the corresponding message through a PCB board wiring method. Transceiver module. The vehicle-mounted integrated antenna repeater according to item 1 of the patent application scope, wherein a fin antenna is arranged on the roof, and the output ends of the antennas in the fin antenna are respectively connected to the multi-channel radio high-frequency connection through leads. At the other end of the receiver, the output end of each antenna in the fin antenna is connected to the corresponding module of the corresponding antenna signal receiving module through the multi-channel radio high-frequency connector. The vehicle-mounted integrated antenna repeater as described in the first patent application scope, wherein the antenna signal receiving module includes an AM / FM radio module, a GPS module, a communication module, a dedicated short-range communication technology module, and a car alarm At least one of a module and a tire pressure detector module. The vehicle-mounted integrated antenna repeater as described in the third item of the patent application, wherein any of the car alarm module and tire pressure detector module can be replaced with DTV / DAB / DTMB / CMMB mobile broadcast Digital TV module. For example, the vehicle-mounted integrated antenna repeater described in item 3 or 4 of the scope of patent application, wherein the antenna repeater box is provided with a WiFi antenna and a Bluetooth antenna, and the message transceiver module further includes a WiFi module and a Bluetooth module. The WiFi antenna is connected to the processor module through the WiFi module, and the Bluetooth antenna is connected to the processor module through the Bluetooth module. The on-vehicle integrated antenna repeater device as described in item 5 of the scope of patent application, wherein the processor module includes a primary processor module and a secondary processor module, and a module interface is provided on the primary processor module The first-level processor module is used to process simpler operations and operations. The first-level processor module summarizes the processed data to the second-level processor module. The second-level processor module integrates the first-level processor module. The data receiving of the group and the processing and operation transmitted by the relatively complicated module are processed at the same time, and the message transmitting and receiving end of the secondary processor module is connected to the docking end of the Ethernet transmitting and receiving module. The on-vehicle integrated antenna repeater as described in the patent application item 6, wherein the audio frequency of the AM / FM radio module and the audio frequency of the communication module are connected to the secondary processor module through the corresponding digital signal processing module. Corresponding module interface. According to the vehicle-mounted integrated antenna repeater described in item 6 of the patent application scope, the primary processor module is an MCU and the secondary processor module is a CPU. According to the vehicle-mounted integrated antenna repeater described in the first patent application scope, wherein the Ethernet transceiver module is an Ethernet transceiver chip, the Ethernet transceiver chip is connected to the Ethernet in the vehicle through an Ethernet connector.