CN211481484U

CN211481484U - Vehicle night driving early warning system

Info

Publication number: CN211481484U
Application number: CN201922440655.1U
Authority: CN
Inventors: 徐健
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-11
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a vehicle safety precaution technology especially relates to a vehicle early warning system of driving night, including perception end and execution end, the perception end includes traffic camera, image processing unit, 5G sending module and BCM automobile body control module, the execution end includes 5G receiving module, the little control unit of MCU, vehicle-mounted display and danger area warning and throws the module, the traffic camera passes through image processing unit and is connected with 5G sending module, BCM automobile body control module is connected with the little control unit of MCU, 5G sending module is connected with 5G receiving module, vehicle-mounted display and danger area warning throw the module and are connected with the little control unit of MCU respectively.

Description

Vehicle night driving early warning system

Technical Field

The utility model relates to a vehicle safety precaution technology especially relates to a vehicle early warning system of driving night.

Background

With the continuous improvement of the living standard of people, automobiles become more and more common household transportation tools, but are accompanied by the continuous rising traffic accident rate. Therefore, a great number of automobile manufacturers are also continuously engaged in research on active safety technologies of automobiles. At present, in the prior art, the surrounding or front range of a vehicle is mainly sensed through a laser radar, a camera and various sensors. When the vehicle system judges that potential safety hazards or dangers exist, the driver is reminded or related protection control is directly carried out on the vehicle. However, the similar method has a limitation that the vehicle or the person behind the building cannot be sensed by the sensor of the vehicle when facing a special scene, such as an intersection of a narrow street.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a vehicle early warning system of driving night.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: the utility model provides a vehicle early warning system of driving night, includes perception end and execution end, the perception end includes traffic camera, image processing unit, 5G send module and BCM automobile body control module, the execution end includes that 5G receiving module, MCU micro control processing unit, on-vehicle display and danger area warn throw the module, the traffic camera passes through image processing unit and is connected with 5G send module, BCM automobile body control module is connected with MCU micro control processing unit, 5G send module is connected with 5G receiving module, on-vehicle display and danger area warn throw the module and be connected with MCU micro control processing unit respectively.

Preferably, the BCM module is connected with the MCU chip through the CAN transceiver.

Preferably, the traffic camera is connected with the image processing unit through a video line.

Preferably, the image processing unit is connected with the 5G sending module through a signal line.

Preferably, the MCU chip is connected with the vehicle-mounted display through an LVDS bus.

Preferably, the MCU chip is connected with the projection module through an SPI bus.

Preferably, the MCU chip is an AWR1642 chip available from TI corporation for processing radar signals.

Preferably, the CAN bus is a TCAN1042 transceiver from TI corporation.

Preferably, M2, K2, H2, F2, B4 and B5 pins of the AWR1642 chip are an antenna pin group, wherein a TX1 pin and a TX2 pin are connected with a transmitting antenna group, and an RX1 pin to an RX4 pin are connected with a receiving antenna group; the F14 pin and the H14 pin are respectively connected with a CAN _ TX pin and a CAN _ RX pin of the CAN transceiver; pins N4 and N5 are respectively connected with corresponding pins of the 5G module; pins E14, C13, D13 and E13 are SPI pins and are connected with the SPI pin of the projection module; the pins M14, M15, L14, L15, K14, K15, J14 and J15 are LVDS interface pins, are connected with a vehicle display screen and are used for transmitting video signals.

The utility model discloses the beneficial effect who reaches: the utility model discloses an early warning system is driven at night to vehicle relies on early warning systems such as radar, the camera of vehicle self-carrying to compare among the prior art, has solved like the crossroad in narrow street, through the sensor of vehicle self-carrying just can't perceive the vehicle or personnel's after the building problem, has improved the security of driving at night.

Compared with the early warning systems such as a radar and a camera which are carried by the vehicle in the prior art, the prior art only considers the safety early warning or measures of the vehicle and does not consider the prompt and early warning of other traffic participants. Reversely, technical scheme, through the front road surface projection warning mark to reach and remind other traffic participants who are in dangerous early warning within range.

Drawings

FIG. 1 is a diagram of the vehicle night driving warning system of the present invention;

FIG. 2 is a circuit diagram of a CAN transceiver in the vehicle night driving warning system of the present invention;

FIG. 3 is a circuit diagram of an MCU chip in the vehicle night driving early warning system of the present invention;

fig. 4 is the utility model discloses a vehicle drives early warning system operating mode schematic diagram night.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

A vehicle night driving early warning system comprises a sensing end and an execution end, wherein the sensing end comprises a traffic camera, an image processing unit, a 5G sending module and a BCM vehicle body control module, the execution end comprises a 5G receiving module, an MCU micro control processing unit, a vehicle-mounted display and a dangerous area warning projection module, the traffic camera is connected with the 5G sending module through the image processing unit, the BCM vehicle body control module is connected with the MCU micro control processing unit, the 5G sending module is connected with the 5G receiving module, and the 5G receiving module, the vehicle-mounted display and the dangerous area warning projection module are respectively connected with the MCU micro control processing unit; the BCM module is connected with the MCU chip through the CAN transceiver; the traffic camera is connected with the image processing unit through a video line; the image processing unit is connected with the 5G sending module through a signal line; the MCU chip is connected with the vehicle-mounted display through an LVDS bus; the MCU chip is connected with the projection module through an SPI bus; the MCU chip adopts an AWR1642 chip which can process radar signals and is available from TI company; the CAN bus employs a TCAN1042 transceiver from TI corporation.

M2, K2, H2, F2, B4 and B5 pins of the AWR1642 chip are antenna pin groups, wherein a TX1 pin and a TX2 pin are connected with a transmitting antenna group, and an RX1 pin to an RX4 pin are connected with a receiving antenna group; the F14 pin and the H14 pin are respectively connected with a CAN _ TX pin and a CAN _ RX pin of the CAN transceiver; pins N4 and N5 are respectively connected with corresponding pins of the 5G module; pins E14, C13, D13 and E13 are SPI pins and are connected with the SPI pin of the projection module; the pins M14, M15, L14, L15, K14, K15, J14 and J15 are LVDS interface pins, are connected with a vehicle display screen and are used for transmitting video signals.

The system can be divided into a sensing end and an execution end, wherein the sensing end is mainly used for sensing the driving road environment and acquiring the vehicle running state information and comprises a traffic camera, an image processing unit, a 5G sending module and a BCM module of the vehicle; the execution end mainly plays a role in displaying image information of the vehicle blind area on the vehicle-mounted display screen to increase the visual field of a driver, and meanwhile, the execution end projects warning patterns in a dangerous area to remind other traffic participants of paying attention, and the execution end comprises a 5G sending module, an MCU chip, a vehicle-mounted display and a dangerous area warning projection module.

The traffic camera is connected with the image processing unit through a video line; the image processing unit is connected with the 5G sending module through a signal line; the BCM module is connected with the MCU chip through a CAN bus; the MCU chip is connected with the vehicle-mounted display through an LVDS bus and connected with the projection module through an SPI bus.

The vehicle driver can know the road condition in the driving blind area in advance through the vehicle-mounted display screen, and simultaneously, the warning pattern is projected in the driving dangerous area, so that the purpose of reminding other traffic participants is achieved, and the safety of road traffic is improved.

The MCU chip adopts an AWR1642 chip of TI company capable of processing radar signals, adopts advanced pulse Doppler and continuous wave radar technologies, comprises a radio frequency front end and a data processing module, and has rich peripheral interfaces; the CAN transceiver employs a TCAN1042 of TI corporation.

M2, K2, H2, F2, B4 and B5 pins of the AWR1642 chip are antenna pin groups, wherein a TX1 pin and a TX2 pin are connected with a transmitting antenna group, and RX1 pins to RX4 pins are connected with a receiving antenna group. An F14 pin (CAN _ FD1_ RX) and an H14 pin (CAN _ FD1_ TX) are respectively connected with a CAN _ TX pin and a CAN _ RX pin of the CAN transceiver. Pins N4 (AW _ RS232_ RX) and N5 (AW _ RS232_ RX) are connected to corresponding pins of the 5G module, respectively. The pins E14, C13, D13 and E13 are pins of SPI and are connected with the pins of SPI of the projection module. The pins M14, M15, L14, L15, K14, K15, J14 and J15 are LVDS interface pins, are connected with a vehicle display screen and are used for transmitting video signals.

The projection module adopts the DLP projection lamp scheme of TI company, and the MCU chip can control the DLP projection lamp to project preset dangerous area warning patterns on the ground through the SPI bus. Furthermore, the traffic camera, the graphic processing unit and the 5G sending module in the system are mature products in the prior art. The traffic camera is mainly used for shooting road traffic conditions and transmitting video signals to the image processor; the image processor is mainly responsible for optimizing video image signals, reducing noise and identifying target danger warning levels in the video; the 5G sending module is mainly responsible for the transceiving task of the 5G signal.

Each module of the default system works normally, and a traffic camera monitors road conditions of the intersection in real time;

when the vehicles gradually drive to the intersection, as shown in the figure, when the camera-1 monitors that the vehicles approach the intersection, the image information of the blind area of the driver of the vehicle is sent to the display screen of the vehicle through the 5G sending module, and the moving objects are marked in red, yellow and green colors respectively. Wherein, according to what we generally think of, red represents that the danger level is high, yellow represents that the danger level is medium, green represents that the danger level is low, and three kinds of color signs are updated in real time according to the crossing condition.

The vehicle end receives and analyzes the 5G signal, and when the danger level is found to be a red or yellow target, the warning mark projection module, namely the DLP projection module, is controlled to project the early warning mark to the front area so as to remind the driver of the vehicle and other traffic participants of paying attention to the early warning mark, so that the traffic safety at the crossroad is improved, the purpose of protecting the driver of the vehicle is achieved, and the purpose of protecting pedestrians, motorcycles and other traffic participants is also achieved.

When the vehicle safely passes through the intersection, the video signal stops being transmitted, and the vehicle display screen restores to the interface before the approach intersection. Meanwhile, the warning projection module is closed.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a vehicle early warning system of driving night which characterized in that: including perception end and execution end, the perception end includes traffic camera, image processing unit, 5G sending module and BCM automobile body control module, the execution end includes 5G receiving module, MCU little the control processing unit of MCU, on-vehicle display and danger area warning projection module, the traffic camera passes through image processing unit and is connected with 5G sending module, BCM automobile body control module is connected with MCU little the control processing unit, 5G sending module is connected with 5G receiving module, on-vehicle display and danger area warning projection module are connected with MCU little the control processing unit respectively.

2. The vehicle night driving warning system according to claim 1, characterized in that: the BCM module is connected with the MCU chip through the CAN transceiver.

3. The vehicle night driving warning system according to claim 1, characterized in that: the traffic camera is connected with the image processing unit through a video line.

4. The vehicle night driving warning system according to claim 1, characterized in that: the image processing unit is connected with the 5G sending module through a signal line.

5. The vehicle night driving warning system according to claim 1, characterized in that: the MCU chip is connected with the vehicle-mounted display through an LVDS bus.

6. The vehicle night driving warning system according to claim 1, characterized in that: the MCU chip is connected with the projection module through an SPI bus.

7. The vehicle night driving warning system according to claim 1, characterized in that: the MCU chip adopts an AWR1642 chip of TI company which can process radar signals.

8. The vehicle night driving warning system according to claim 1, characterized in that: the CAN bus employs a TCAN1042 transceiver from TI corporation.

9. The vehicle night driving warning system according to claim 7, wherein: m2, K2, H2, F2, B4 and B5 pins of the AWR1642 chip are antenna pin groups, wherein a TX1 pin and a TX2 pin are connected with a transmitting antenna group, and an RX1 pin to an RX4 pin are connected with a receiving antenna group; the F14 pin and the H14 pin are respectively connected with a CAN _ TX pin and a CAN _ RX pin of the CAN transceiver; pins N4 and N5 are respectively connected with corresponding pins of the 5G module; pins E14, C13, D13 and E13 are SPI pins and are connected with the SPI pin of the projection module; the pins M14, M15, L14, L15, K14, K15, J14 and J15 are LVDS interface pins, are connected with a vehicle display screen and are used for transmitting video signals.