TWM554643U - Car integrated antenna signal transfer device - Google Patents

Abstract

The present invention provides an in-vehicle integrated antenna repeating device that can synchronously collect the message modules collected by the vehicle antenna, and after the internal processor processes, synchronously broadcasts and interacts the collected information through the Ethernet and the car host. The arrangement of the lines in the car is simplified, and the antennas of different frequency bands are not interfered with each other, and the synchronization of the transmission is ensured. 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 operate normally. Working, the message transceiver module includes an antenna signal receiving module, and some modules in the message transceiver module are processed by the corresponding digital signal processing module and then connected to the corresponding interface of the processor module, and the other part of the message transceiver module The module is directly connected to the corresponding interface of the processor module.

Description

Vehicle integrated antenna repeater

The present invention relates to the technical field of an antenna structure, and specifically relates to an in-vehicle integrated antenna forwarding device.

The increase of the internal message module of the conventional vehicle antenna transmits the information corresponding to the various modules to the structure of the host computer through the conventional coaxial feeder mode. Due to the increase in the number of message modules, the coaxial feeder is also getting more and more. Complex and interlaced, which makes wiring difficult, and the coaxial feeder of the message module corresponding to the antennas in different frequency bands placed in a narrow space inevitably has the problem of mutual interference and time difference of forwarding.

In response to the above problems, the present invention provides an in-vehicle integrated antenna repeating device that can synchronously collect the message modules collected by the vehicle antenna, and after processing by the internal processor, synchronously collects the collected information through the Ethernet and the car host. Broadcasting and interaction simplify the arrangement of the lines inside the car and make the antennas of different frequency bands not interfere with each other and ensure the synchronization of the transmission.

An in-vehicle integrated antenna forwarding device includes an antenna forwarding box, and the antenna forwarding box is provided with 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. The group is used to drive the normal operation of the entire internal structure, and the message transceiver module includes an antenna signal receiving module. Some modules in the message transceiver module are processed by the corresponding digital signal processing module and then connected to the corresponding interface of the processor module. The other module in the 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, and the Ethernet transceiver module is connected to the vehicle. Ethernet.

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 modules corresponding to the antenna signal receiving module are respectively connected to the corresponding antenna through the multi-channel radio high frequency connector, and the multi-channel radio high frequency connector The male end, the female end, the male end and the female end are connected to form a signal path, and one end of the multi-channel radio high frequency connector is fixed to the antenna forwarding box, and the multi-channel radio high frequency connector disposed in the antenna forwarding box The corresponding end is connected to the corresponding messaging module through the PCB board routing.

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

The antenna signal receiving module comprises at least one module 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 module in the car alarm module and the tire pressure detector module can be replaced with a DTV/DAB/DTMB/CMMB mobile broadcast digital television module.

The antenna forwarding 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 through the Bluetooth module. Module.

The processor module includes a first-level processor module and a second-level processor module. The first-level processor module is provided with a module interface, and the first-level processor module is used for processing relatively simple operations and operations, and the first-level processor module The group summarizes the processed data to the secondary processor module, and 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, and the secondary processor The module transceiver is connected to the docking end of the Ethernet transceiver module.

The audio of the 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, ensuring 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.

After adopting the structure of the creation, the wireless communication module in the antenna is independently connected with each module in the vehicle integrated antenna forwarding device, and then the electrical signals are demodulated by each independent module and processed by the digital signal processing module respectively. (or ignore the arrangement), and finally process and write to the Ethernet transceiver module through the processor module, and forward it to the in-vehicle Ethernet for broadcast through the Ethernet transceiver module, which broadcasts and interacts on the car through the in-vehicle Ethernet network. To achieve in-car audio and video and digital data, streamline the purpose of wiring; in summary, it can synchronously collect the message module collected by the car antenna, and after processing by the internal processor, synchronously collect the collected information through Ethernet and car host Broadcasting and interaction simplify the arrangement of the lines inside the car and make the antennas of different frequency bands not interfere with each other and ensure the synchronization of the transmission.

An in-vehicle integrated antenna forwarding device is shown in FIG. 1 and FIG. 2: it includes an antenna forwarding box 1. The antenna forwarding box 1 is provided with a processor module, an Ethernet transceiver module, a power module, and a plurality of messages. The module, the digital signal processing module, and the power module are 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, and another module in the transceiver module is directly connected to the corresponding interface of the processor module, and the message transceiver end of the processor module is connected to the docking of the Ethernet transceiver module. At the end, the Ethernet transceiver module is connected to the in-vehicle Ethernet.

The outer end surface of the antenna forwarding box 1 is fixed to the inner end surface of the roof 2 in the vehicle body, and the modules corresponding to the antenna signal receiving module are respectively connected to the corresponding antennas through the multi-channel radio high frequency connector 12, and the multi-channel radio is high. The frequency connector includes a male end, a female end, a male end and a female end plug-in connection to form a signal path, and one end of the multi-channel radio high frequency connector 12 is fixed to the antenna forwarding box 1 and disposed in the antenna forwarding 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 routing manner, and the output ends of the respective antennas in the fin antenna 3 are respectively connected to the other end of the multi-channel radio high-frequency connector through the lead wires. .

The antenna signal receiving module comprises at least one module 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, AM/ The FM radio module, the GPS module, the communication module, the dedicated short-range communication technology module, the car alarm module, and the tire pressure detector module are all modulation and demodulation modules, and convert the corresponding electrical signals into digital signals. For easy subsequent processing.

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

Embodiments, see Fig. 1 and Fig. 2: The fin antenna 3 is arranged on the roof 2, and the portion on the fin antenna 3 is the male end of the multi-channel radio high-frequency connector, that is, each of the fin antennas 3 The output ends of the antennas are respectively connected to the male end of the multi-channel radio high-frequency connector 12 through leads, and the female end of the multi-channel radio high-frequency connector 12 disposed in the antenna forwarding box 1 is routed through the PCB board (not shown) Out, is a well-known mature structure) connected to the corresponding messaging module; Fin antenna 3 built-in AM/FM antenna 4, GPS antenna 5, 4G-LTE antenna 6, dedicated short-range communication antenna 7, car alarm antenna 8 The tire pressure detecting antenna 9 and the antenna signal receiving module include 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; The English short circuit communication technology module is abbreviated as DSRC module, the tire pressure monitoring module is abbreviated as TPMS module, and the communication module is preferably 4G-LTE module, corresponding to 4G-LTE.

The antenna forwarding box 1 is provided with a WiFi antenna 10 and a Bluetooth antenna 11. 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 11 passes through the Bluetooth module. Connect to the processor module.

The processor module includes a first-level processor module and a second-level processor module. The first-level processor module is provided with a module interface, and the first-level processor module is used for processing relatively simple operations and operations, and the first-level processor module The group summarizes the processed data to the secondary processor module, and 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, and the secondary processor The module transceiver is connected to the docking end of the Ethernet transceiver module.

The audio of the 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, ensuring accurate, timely and efficient information processing. The English short for 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 alarm antenna 8 and the tire pressure detecting antenna 9 can be replaced by the DTV/DAB/DTMB/CMMB mobile broadcast digital television antenna; at this time, the car alarm module corresponding to the line signal receiving module and the tire pressure detection The module is replaced by the 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 an MCU, a CPU and an Ethernet transceiver chip, and an AM/FM, GPS, car alarm, tire pressure detector, communication and receiving and demodulating digital processing. A device composed of DSRC (Dedicated Short-Range Communication Technology) modules, which are combined with the antenna forwarding box 1 integrated with the above structure through the radio high-frequency connector 12, excluding the cumbersome radio antenna coaxial feeder configuration, when these After the radio signal transceiver module demodulates the signal, the MCU and the CPU process it and forward it to the in-vehicle Ethernet 13 for broadcast by the CPU writing the Ethernet transceiver chip. The embodiment integrates the radio antenna and the communication module through the Ethernet network. The car broadcasts and interacts to realize the video and audio 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 a preferred embodiment created by the present invention and cannot be considered as limiting the scope of implementation of the present creation. All changes and improvements made in accordance with the scope of this creative creation application shall remain within the scope of this creation.

1‧‧‧Antenna Forwarding Box
10‧‧‧WiFi antenna
11‧‧‧Bluetooth antenna
12‧‧‧Radio high frequency connector
13‧‧‧In-car Ethernet
14‧‧‧Ethernet connector
2‧‧‧Car roof
3‧‧‧Fin antenna
4‧‧‧AM/FM antenna
5‧‧‧GPS antenna
6‧‧‧4G-LTE antenna
7‧‧‧Special short-range communication antenna
8‧‧‧Car alarm antenna
9‧‧‧ tire pressure detection antenna

Figure 1 is a schematic block diagram showing the structure of a specific embodiment of the present invention. Figure 2 is a schematic block diagram of the structure of the creation of the roof.

1‧‧‧Antenna Forwarding Box

12‧‧‧Radio high frequency connector

14‧‧‧Ethernet connector

Claims (10)

An in-vehicle integrated antenna forwarding device includes an antenna forwarding box, wherein the antenna forwarding 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 operation of the entire internal structure. The transceiver module includes an antenna signal receiving module. Some modules in the transceiver module are processed by the corresponding digital signal processing module and then connected to the processor. The corresponding interface of the module is directly connected to the corresponding interface of the processor module, and the 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. The vehicle-mounted integrated antenna repeating device according to the first aspect of the invention, wherein the outer end surface of the antenna forwarding box is fixed to an inner end surface of the roof of the vehicle body, and the module corresponding to the antenna signal receiving module respectively Connected to a corresponding antenna through a multi-channel radio high-frequency connector, the multi-channel radio high-frequency connector includes a male end and a female end, the male end, the female end plug-in connection forms a signal path, and the multi-channel radio high-frequency connection One end of the device is fixed to the antenna forwarding box, and the corresponding end of the multi-channel radio high-frequency connector disposed in the antenna forwarding box is connected to the corresponding transceiver module through a PCB board routing manner. The vehicle-mounted integrated antenna repeating device according to claim 2, wherein a fin antenna is disposed on the roof, and outputs of the respective antennas in the fin antenna are respectively connected to the multi-channel radio high-frequency connector through leads The other end portion of the antenna is connected to the corresponding module of the antenna signal receiving module through the multi-channel radio high-frequency connector. The vehicle integrated antenna forwarding device according to claim 1, wherein the antenna signal receiving module comprises an AM/FM radio module, a GPS module, a communication module, a dedicated short-range communication technology module, and a car alarm device. At least one module of the module and the tire pressure detector module. The in-vehicle integrated antenna forwarding device according to claim 4, wherein any module of the car alarm module and the tire pressure detector module can be replaced with DTV/DAB/DTMB/CMMB mobile broadcasting. Digital TV module. The vehicle-mounted integrated antenna forwarding device according to the fourth or fifth aspect of the invention, wherein the antenna forwarding 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 in-vehicle integrated antenna forwarding device according to claim 6, wherein the processor module comprises a first-level processor module and a second-level processor module, and the first-level processor module is provided with a module interface. The first-level processor module is configured to process relatively simple operations and operations, and the first-level processor module aggregates the processed data into the second-level processor module, and the second-level processor module adopts a first-level processor module. The data reception of the group simultaneously processes the operations and operations transmitted by the relatively complex module, and the transceiver terminal of the secondary processor module is connected to the docking end of the Ethernet transceiver module. The in-vehicle integrated antenna forwarding device according to claim 7, wherein the audio of the AM/FM radio module and the audio of the communication module pass through the corresponding digital signal processing module and then access the secondary processor module. Corresponding module interface. The vehicle integrated antenna forwarding device of claim 7, wherein the primary processor module is an MCU, and the secondary processor module is a CPU. The in-vehicle integrated antenna forwarding device according to claim 1, wherein the Ethernet transceiver module is an Ethernet transceiver chip, and the Ethernet transceiver chip is connected to the in-vehicle Ethernet through an Ethernet connector.